CN102297359A - Power source indicator light, power source indicator module and power source distribution unit - Google Patents
Power source indicator light, power source indicator module and power source distribution unit Download PDFInfo
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- CN102297359A CN102297359A CN 201010209836 CN201010209836A CN102297359A CN 102297359 A CN102297359 A CN 102297359A CN 201010209836 CN201010209836 CN 201010209836 CN 201010209836 A CN201010209836 A CN 201010209836A CN 102297359 A CN102297359 A CN 102297359A
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Abstract
The invention relate to a power source indicator light, comprising an outer shell, an inner shell and an indicator light, wherein the inner shell is locked in the outer shell in a plugging-in manner, the indicator light is plugged in the inner shell, and two plug feet of the indicator light extend out from the bottom of the shell. The invention also relates to a power source indicator module, comprising a shell and the power source indicator light plugged-in the shell, and the two plug feet of the power source indicator light are respectively plugged in a first power source plug foot and a second power source plug foot at the bottom of the shell to form electric connection. The invention further relates to a power source distribution unit with the power source indicator module in a plugging-in manner. According to the power source distribution unit in the invention, the power source indicator light can be replaced or repaired easily without power-off and detachment.
Description
Technical field
The present invention relates to the power distribution technology, more particularly, the present invention relates to a kind of power supply indicating module and power distribution unit that plugs power supply indicator and adopt this power supply indicator.
Background technology
The power supply indicator of general electric product all is a service intermittent.Yet, the power supply indicator that is applied to power distribution unit (PDU:power distribution unit) is the power supply indicator that a kind of long-time, continuity, nothing are intermittently switched on and worked, its technical performance index, safety test request are strict more and harsh, because normally being used for data center machine room, the PDU product provides power distribution and the special-purpose safety product that is connected for various electronic electric equipments in the rack specially, the online use in case switch on, except that periodic maintenance, generally be not allow to cut off the power supply and have a power failure.
As electric product, absolute fault-free is that science is not non-existent yet.Although the power supply indicator of PDU product has extreme high reliability, but still have phenomenon and the possibility that breaks down individually and damage.In case the power supply indicator of PDU product breaks down or damages and can not normally show the time, though can not influence the power supply output of PDU, just lost the power supply deixis, the result of macroscopic examination is exactly a fault.Because the power supply indicator on the existing P DU product all is fixed in PDU inside, if will repair this power supply indicator, outage earlier takes apart LED light the indicator lamp that could more renew again in PDU generally speaking.Obviously, the equipment of data center machine room cannot arbitrarily cut off the power supply, thereby the reparation of the power supply indicator on the existing PDU product and change all unusual inconvenience, but also can influence the continuous operation of consumer.
Summary of the invention
The technical problem to be solved in the present invention is, at the above-mentioned defective of prior art, and the power supply indicating module and the power distribution unit that a kind of plugged power supply indicator that need not cut off the power supply, need not dismantle are provided and adopt this power supply indicator.
The present invention solves the technical scheme that its technical problem adopts: propose a kind of power supply indicator, comprise shell, inner casing and indicator lamp, described inner casing can plug Ground fastener in described shell, described indicator lamp is inserted in the described inner casing, and two pins of described indicator lamp stretch out from described outer casing bottom.
In the power supply indicator according to the embodiment of the invention, be formed with the first buckle projection on two the first side walls that are provided with relatively of described shell, the position of the corresponding described first buckle projection is provided with first opening on the two corresponding the first side walls of described inner casing.Among the embodiment, be formed with the second buckle projection on two second sidewalls that are provided with relatively of described inner casing, buckle in second opening that forms on two corresponding second sidewalls of described shell, described inner casing and described shell snap close.
In the power supply indicator according to the embodiment of the invention, described indicator lamp comprise LED, with fixing two resistance of the pin of LED welding and respectively with fixing described two pins of two resistance welded, described LED exposes from the top of inner casing, and described two pins are positioned two the first side wall lower ends of described inner casing.
The present invention also proposes a kind of power supply indicating module for solving its technical problem, and comprise housing and be installed in the interior power supply indicator of housing, wherein:
Described power supply indicator comprises shell, inner casing and indicator lamp, described inner casing can plug Ground fastener in described shell, described indicator lamp is inserted in the described inner casing, and two pins of described indicator lamp stretch out from described outer casing bottom, and described shell can plug Ground fastener in described housing; And
The bottom of described housing is provided with first power pin and second source pin, and two pins of described power supply indicator are plugged in described first power pin respectively and the second source pin forms electrical connection.
In the power supply indicating module according to the embodiment of the invention, described housing comprises the upper shell and the lower house of mutual fastening, is formed with the drum that is used for ccontaining power supply indicator in the described upper shell.Among the embodiment, be formed with the first buckle projection on two the first side walls that relatively are provided with of described shell, with the 3rd protruding snap close mutually of the corresponding formation of inwall of described drum.Among the embodiment, be formed with the second buckle projection on two second sidewalls that are provided with relatively of described inner casing, buckle in second opening that forms on two corresponding second sidewalls of described shell, described inner casing and described shell snap close.
In the power supply indicating module according to the embodiment of the invention, the upper end of described shell is provided with flange, a side of described flange forms first slant cutting edge, and the upper edge of described upper shell upper edge drum is provided with and corresponding second slant cutting edge of described first slant cutting edge.
Power supply indicating module according to the embodiment of the invention further comprises the overload protection module that is installed in the described housing; described overload protection module comprises the support in the installing hole that is slidingly mounted on the described housing and is installed in the fuse of support bottom that the two ends of fuse are plugged in second source pin and the 3rd power pin formation electrical connection that described housing bottom is provided with respectively.
The present invention also proposes a kind of power distribution unit for solving its technical problem, comprise groove shape pedestal and be inserted at least one interior jack module of described pedestal, also comprise the power supply indicating module that is inserted in the described pedestal, described power supply indicating module comprises housing and the power supply indicator that is installed in the housing, wherein:
Described power supply indicator comprises shell, inner casing and indicator lamp, described inner casing can plug Ground fastener in described shell, described indicator lamp is inserted in the described inner casing, and two pins of described indicator lamp stretch out from described outer casing bottom, and described shell can plug Ground fastener in described housing; And
The bottom of described housing is provided with first power pin and second source pin, and two pins of described power supply indicator are plugged in described first power pin respectively and the second source pin forms electrical connection.
In the power distribution unit according to the embodiment of the invention; described power supply indicating module further comprises the overload protection module that is installed in the described housing; described overload protection module comprises the support in the installing hole that is slidingly mounted on the described housing and is installed in the fuse of support bottom that the two ends of fuse are plugged in second source pin and the 3rd power pin formation electrical connection that described housing bottom is provided with respectively.
The present invention has following useful technique effect: install in power distribution unit according to behind the power supply indicating module of the present invention, when power supply indicator breaks down needs replacing or reparation, only need very like a cork power supply indicator to be extracted from the power supply indicating module, just can repair or insert again new power supply indicator to it, need not outage, also need not the dismantling power allocation units, can not influence the normal operation of consumer.Equally, the overload protection module of combination has also adopted and has slided into the replaceable structure that skids off in the power supply indicating module, and the replacing of fuse also need not outage, need not dismounting, and is very convenient.And, also the bayonet type connect-disconnect structure that adopts between each parts of power supply indicator itself, further facilitated the reparation and the replacing of power supply indicator.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the perspective view of power supply indicator according to an embodiment of the invention;
Fig. 2 is the transverse sectional view of power supply indicator shown in Figure 1;
Fig. 3 is the longitudinal sectional view of power supply indicator shown in Figure 1;
Fig. 4 is the structure explosive view of power supply indicator shown in Figure 1;
Fig. 5 is the perspective view of power supply indicating module according to an embodiment of the invention;
Fig. 6 is the vertical view of power supply indicating module shown in Figure 5;
Fig. 7 be among Fig. 6 A-A to cutaway view;
Fig. 8 be among Fig. 6 B-B to cutaway view;
Fig. 9 is the perspective view of power distribution unit according to an embodiment of the invention.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to shown in Figure 1, power supply indicator 100 comprises shell 10, inner casing 20 and indicator lamp 30 according to an embodiment of the invention, and indicator lamp 30 is inserted in the inner casing 20 and inner casing 20 latches in and is assembled into an integral body in the shell 10.
Specifically shown in 4, shell 10 is barrel-shaped, comprises drain pan 15 (referring to Fig. 2), the sidewall that extends upward along drain pan 15 peripheries and the flange 13 that extend horizontally away along sidewall upper, forms accommodation spaces 14 in the shell 10.The sidewall of shell 10 comprises two the first side walls 11 and two second sidewalls 12 that are oppositely arranged.Wherein, the first half of two the first side walls 11 forms opening 111, and is provided with the buckling piece 112 that extends from sidewall upper in this opening 111 downwards, and the end of this buckling piece 112 forms outwardly directed protruding 113.The approximate mid-section position of two second sidewalls 12 also is formed with opening 121.In addition, flange 13 side is formed with slant cutting edge 131.
Again as shown in Figure 4, inner casing 20 comprises apical margin 23 and from the downward sidewall of extended roughly tubular of apical margin 23 lower surfaces, apical margin 23 middle parts form through hole 24, and extend cylindrical member 25 (referring to Fig. 2) downwards along the periphery of this through hole 24.The sidewall of inner casing 20 comprises two the first side walls 21 and two second sidewalls 22 that are oppositely arranged.Wherein, form opening 211 with the buckling piece 112 opposite position places of shell 10 on two the first side walls 21.Breach 223 is formed at the bottom of two second sidewalls 22, and this breach 223 in under extend buckling piece 221, the end of buckling piece 221 forms outwardly directed protruding 222, protruding 222 position just in time faces the opening 121 on second sidewall 12 of shell 10.
Again as shown in Figure 4, indicator lamp 30 comprises LED 31, two resistance 32 and 33 and two pins 34 and 35.Wherein, two resistance 32 and an end of 33 are fixing with two pins welding of LED 31 respectively, and the other end is fixing with two pins 34 and 35 welding respectively.As shown in Figure 4, two pins 34 and 35 are oppositely arranged, and have identical structure.Each pin has bearing 36 and from the downward extended terminal 38 of bearing 36 sidepieces, bearing 36 is used to weld fixed resistance, and is symmetrically arranged with two locating holes 37 in its front and rear part, and terminal 38 is used to connect power supply.
Introduce the assembly relation of each parts in the power supply indicator 100 below in conjunction with Fig. 2 and Fig. 3.As shown in Figures 2 and 3, at first, indicator lamp 30 plug-in mountings are gone in the inner casing 20.At this moment, location in the cylindrical member 25 in the LED31 insertion inner casing 20 of indicator lamp 30, the head of LED 31 can expose from the through hole 24 at inner casing 20 tops, and, two extended reference columns 212 in the first side wall 21 lower ends of inner casing 20 insert respectively in the locating hole 37 on the pin 34 and 35 of indicator lamp 30, make two pins location.Then, the inner casing 20 that installs indicator lamp 30 is inserted in the accommodation space 14 of shell 10 formation.At this moment, buckle projection 222 on two second sidewalls 22 of inner casing 20 just in time buckles in the opening 121 of corresponding position on two second sidewalls 12 of shell 10 (referring to shown in Figure 3), with inner casing 20 and shell 10 snap closes, and, stretch out two terminal holes 152 that two pins 34 of indicator lamp 30 and 35 terminal are offered from the drain pan 15 of shell 10 respectively and 151, form a complete power supply indicator 100 (referring to Fig. 1) thus.In addition, as shown in Figure 2, the inside of shell 10 also is provided with the dividing plate 16 that extends upward from drain pan 15, and this dividing plate 16 is divided into two the bottom accommodation space in the shell 10, also promptly just in time 32,33 and two pins 34,35 of two resistance of indicator lamp 30 are separated, to avoid occurring short circuit.And the buckle projection 113 that forms on two the first side walls 11 of shell 10 also is convenient to this whole power supply indicator 100 is installed on the relevant device in pluggable mode.
When indicator lamp 30 breaks down (for example, when LED 31 is damaged), inwardly push away buckle projection 222 on the inner casing 20 by the opening 121 from two second sidewalls 12 of shell 10, inner casing 20 and shell 10 are threaded off, thereby inner casing 20 and indicator lamp 30 are taken out from shell 10.Then, from inner casing 20, take out indicator lamp 30, just can repair or change it.Thereby these power supply indicator 100 easy accessibility are highly susceptible to safeguarding.
Fig. 5-Fig. 8 shows power supply indicating module 200 according to an embodiment of the invention.This power supply indicating module 200 has adopted the front in conjunction with the plugged power supply indicator 100 that Fig. 1-Fig. 4 introduced, and also is combined with pluggable overload protection module 50.This power supply indicating module 200 can be installed in the modular power distribution unit, in the power distribution unit 900 for example shown in Figure 9, break down and when need repairing or changing at power supply indicator guaranteeing, the power supply of power down source allocation units 900 need not break, also power distribution unit 900 whole disassembling need not be got final product and only power supply indicator 100 need be extracted from power supply indicating module 200.
As shown in Figure 5, but this power supply indicating module 200 comprise housing 40 and be installed in power supply indicator 100 and overload protection module 50 in the housing 40 with pluggable mode.Specifically, housing 40 is fastened by upper shell 41 and lower house 42 and forms, and the two sides of upper shell 41 are formed with mounting flange 48, so that this power supply indicating module 200 for example is installed in as shown in Figure 9 the power distribution unit.One side of upper shell 41 is formed with and the suitable drum 43 with ccontaining power supply indicator 100 of the profile of power supply indicator 100, be used to install power supply indicator 100, and the upper edge of upper shell 41 upper surface upper edge drum 43 is provided with slant cutting edge 44, this slant cutting edge 44 is corresponding with the slant cutting edge 131 on power supply indicator 100 shells, so that power supply indicator 100 is taken out from drum 43.The opposite side of upper shell 41 is provided with installing hole 45, is used to install overload protection module 50, and the upper edge of upper shell 41 upper surface upper edge installing holes 45 is provided with slant cutting edge 46, so that overload protection module 50 is pulled out from installing hole.
Specifically as shown in Figure 7, drum 43 comprises the bucket wall 431 and the bucket end 432 of extending from the upper surface of upper shell 41 downwards, bucket wall 431 inboards are formed with projection 433, and this projection 433 is located on barrel wall 431 the buckle projection 113 corresponding positions on the shell with power supply indicator 100.When treating that power supply indicator 100 is packed in the drum 43, the projection 433 on buckle projection 113 and barrel wall 431 is snap close mutually, thereby power supply indicator 100 is fixed in the drum 43.Pass two through holes 434 that two pins 34 of power supply indicator 100 and 35 offered from the bucket end 432 of drum 43, and then peg graft with the power pin 80 that is positioned at lower house 42 bottoms and 70 respectively.About the concrete structure and the electric connection mode of power pin 80 and 70, will be in the follow-up detailed description that provides.When needs reparation or replacing power supply indicator 100, only need the slant cutting edge on the power supply indicator shell 131 to be applied certain upwards active force (referring to shown in Figure 8) by the slant cutting edge 46 from upper shell 41, buckle projection 113 and the projection 433 on the drum 43 are threaded off, thereby power supply indicator is taken out.
Referring to Fig. 6 and Fig. 7, overload protection module 50 comprises support 51 and is installed in the fuse 52 of support 51 bottoms again.Support 51 is installed on the upper shell 41 in the installing hole 45 that forms, and a side of support 51 is formed with guide block 53, and it cooperates with the guide groove 47 of formation on the installing hole 45, makes support 51 to slide in the installing hole 45 and skids off housing.And the lower end of guide block 53 is formed with the limited block (not shown) of width greater than guide groove 47, guarantees that support 51 can not come off.In addition, the opposite side relative with guide groove 47 of installing hole 45 is formed with slant cutting edge 46, to utilize support 51 pulled out.Fuse 52 can be the fuse of glass or ceramic package for example, pegs graft with the power pin 60 that is positioned lower house 42 bottoms and 70 respectively in its two ends.
As shown in Figure 7, two intermediate plates 63 that power pin 60 comprises the horizontal seat 62 that is positioned lower house bottom, extends from the side of horizontal seat 62 and stretches out the binding post 61 outside the lower house downwards and protrudes upward from the upper surface of horizontal seat 62, these two intermediate plates 63 are oppositely arranged and form the end of Flexible clamp in order to clamping fuse 52, are electrically connected thereby form.Equally, power pin 70 has and power pin 60 similar structures, two intermediate plates 73 that it comprises the horizontal seat 72 that is positioned lower house bottom, extends from the side of horizontal seat 72 and stretch out the binding post 71 outside the lower house downwards and protrudes upward from the upper surface of horizontal seat 72, these two intermediate plates 73 are oppositely arranged and form the other end of Flexible clamp in order to clamping fuse 52, are electrically connected thereby form.By such structural design, electrical connection be located and be formed to the fuse 52 that is installed in support 51 bottoms can by the clamping of two power pins 60 and 70, and when fuse fault or damage need repairing or change, from slant cutting edge 46 support 51 is applied certain upwards active force, just can drive the clamping that fuse 52 breaks away from two power pins 60 and 70 by support 51, from installing hole 45, pull out, and then can take off fuse and change.Otherwise, support 51 and fuse 52 are pushed along installing hole 45, the two ends of fuse 52 are inserted in two intermediate plates of power pin 60 and 70, just can locate and form electrical connection.
In addition, as shown in Figure 7, a side blow opposite with forming binding post on the horizontal seat 72 of power pin 70 extrudes the folding ear 74 of bending downwards, and these folding ear 74 correspondences the pin 35 that power supply indicator 100 stretches out, and offseting to form for pin 35 insertion horizontal seats 72 and with folding ear 74 electrically contacts.Equally, power pin 80 comprise the horizontal seat 82 that is positioned lower house bottom, extend downwards and stretch out from a side of horizontal seat 82 outside the lower house binding post 81 and at the folding ear 83 of the downward bending of horizontal seat 82 opposite side punching presses formation, these folding ear 83 correspondences the pin 34 that power supply indicator 100 stretches out, and offseting to form for pin 34 insertion horizontal seats 82 and with folding ear 83 electrically contacts.
During work; the binding post 61 of power pin 60 and the binding post 71 of power supply terminal 70 are electrically connected with live wire respectively; the binding post 81 of power pin 80 is electrically connected with zero line; thereby make the fuse 52 of overload protection module 50 insert live wire, the indicator lamp 30 of power supply indicator 100 is connected between zero line and the live wire.
Shown in Figure 9 is the structural representation of power distribution unit 900 according to an embodiment of the invention.As shown in Figure 9, this power distribution unit 900 is a kind of modular power allocation units, comprises groove shape pedestal 910 and installation several function module within it.This several function module can make up and customize according to practical application and demand, includes but not limited to that for example a plurality of jack modules 920, switch module, lightning protection device module and front are in conjunction with power supply indicating module 200 that Fig. 5-Fig. 8 introduced.As shown in Figure 9, the relative inner of the two side 911 of groove shape pedestal 910 is formed with chute 912 respectively, power supply indicating module 930 inserts in the chute 912 by the flange 48 of its upper shell 41 two sides, just power supply indicating module 200 can be installed in the groove shape pedestal 910, and be electrically connected with live wire and zero line respectively by three power pins 60,70,80 of guiding with power supply indicating module 200.The concrete structure of modular power distribution power supply and electrical connection realize it being well-known to those skilled in the art, so no longer do detailed description at this.
In power distribution unit, install according to the present invention behind the aforesaid power supply indicating module, when power supply indicator breaks down needs replacing or reparation, only need very like a cork power supply indicator to be extracted from the power supply indicating module, just can repair or insert again new power supply indicator to it, need not outage, also need not the dismantling power allocation units, can not influence the normal operation of consumer.Equally, the overload protection module of combination has also adopted and has slided into the replaceable structure that skids off in the power supply indicating module, and the replacing of fuse also need not outage, need not dismounting, and is very convenient.And, also the bayonet type connect-disconnect structure that adopts between each parts of power supply indicator itself, further facilitated the reparation and the replacing of power supply indicator.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. power supply indicator, it is characterized in that, comprise shell (10), inner casing (20) and indicator lamp (30), described inner casing (20) can plug Ground fastener in described shell (10), described indicator lamp (30) is inserted in the described inner casing (10), and two pins (34,35) of described indicator lamp (30) stretch out from described outer casing bottom.
2. power supply indicator according to claim 1, it is characterized in that, be formed with the first buckle projection (113) on two the first side walls that are provided with relatively of described shell (10), the position of the corresponding described first buckle projection (113) is provided with first opening (211) on the two corresponding the first side walls of described inner casing (20).
3. power supply indicator according to claim 2, it is characterized in that, be formed with the second buckle projection (222) on two second sidewalls that are provided with relatively of described inner casing (20), buckle in second opening (121) that forms on two corresponding second sidewalls of described shell (10), with described inner casing (20) and described shell (10) snap close.
4. power supply indicator according to claim 3, it is characterized in that, described indicator lamp (30) comprise LED (31), with two fixing resistance (32 of the pin of LED welding, 33) and respectively with fixing described two pins (34 of two resistance welded, 35), described LED (31) exposes from the top of inner casing (20), and described two pins (34,35) are positioned two the first side walls (21) lower end of described inner casing.
5. a power supply indicating module is characterized in that, comprise housing (40) and be installed in the interior power supply indicator of housing (40), wherein:
Described power supply indicator comprises shell (10), inner casing (20) and indicator lamp (30), described inner casing (20) can plug Ground fastener in described shell (10), described indicator lamp (30) is inserted in the described inner casing (10), and two pins (34 of described indicator lamp (30), 35) stretch out from described outer casing bottom, described shell (10) can plug Ground fastener in described housing (40); And
The bottom of described housing (40) is provided with first power pin (80) and second source pin (70), and two pins (34,35) of described power supply indicator are plugged in described first power pin (80) respectively and second source pin (70) forms electrical connection.
6. power supply indicating module according to claim 5 is characterized in that, described housing (40) comprises the upper shell (41) and the lower house (42) of mutual fastening, is formed with the drum (43) that is used for ccontaining power supply indicator in the described upper shell (41).
7. power supply indicating module according to claim 6, it is characterized in that, be formed with the first buckle projection (113) on two the first side walls that relatively are provided with of described shell (10), with the 3rd projection (433) of the corresponding formation of inwall of described drum (43) snap close mutually.
8. power supply indicating module according to claim 7, it is characterized in that, be formed with the second buckle projection (222) on two second sidewalls that are provided with relatively of described inner casing (20), buckle in second opening (121) that forms on two corresponding second sidewalls of described shell (10), with described inner casing (20) and described shell (10) snap close.
9. power supply indicating module according to claim 6, it is characterized in that, the upper end of described shell (10) is provided with flange (13), a side of described flange (13) forms first slant cutting edge (131), and the upper edge of described upper shell (41) upper edge drum (43) is provided with and corresponding second slant cutting edge of described first slant cutting edge (131) (44).
10. power supply indicating module according to claim 5; it is characterized in that; described power supply indicating module further comprises the overload protection module (50) that is installed in the described housing (40); described overload protection module (50) comprises the support (51) in the installing hole (45) that is slidingly mounted on the described housing and is installed in the fuse (52) of support (51) bottom that the two ends of fuse (52) are plugged in second source pin (70) and the 3rd power pin (60) the formation electrical connection that described housing (40) bottom is provided with respectively.
11. power distribution unit, comprise groove shape pedestal and be inserted at least one interior jack module of described pedestal, it is characterized in that, also comprise the power supply indicating module that is inserted in the described pedestal, described power supply indicating module comprises housing (40) and is installed in power supply indicator in the housing (40), wherein:
Described power supply indicator comprises shell (10), inner casing (20) and indicator lamp (30), described inner casing (20) can plug Ground fastener in described shell (10), described indicator lamp (30) is inserted in the described inner casing (10), and two pins (34 of described indicator lamp (30), 35) stretch out from described outer casing bottom, described shell (10) can plug Ground fastener in described housing (40); And
The bottom of described housing (40) is provided with first power pin (80) and second source pin (70), and two pins (34,35) of described power supply indicator are plugged in described first power pin (80) respectively and second source pin (70) forms electrical connection.
12. power distribution unit according to claim 11; it is characterized in that; described power supply indicating module further comprises the overload protection module (50) that is installed in the described housing (40); described overload protection module (50) comprises the support (51) in the installing hole (45) that is slidingly mounted on the described housing and is installed in the fuse (52) of support (51) bottom that the two ends of fuse (52) are plugged in second source pin (70) and the 3rd power pin (60) the formation electrical connection that described housing (40) bottom is provided with respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102098364A CN102297359B (en) | 2010-06-25 | 2010-06-25 | Power source indicator light, power source indicator module and power source distribution unit |
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| CN2010102098364A CN102297359B (en) | 2010-06-25 | 2010-06-25 | Power source indicator light, power source indicator module and power source distribution unit |
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| CN104819413A (en) * | 2015-04-24 | 2015-08-05 | 广州供电局有限公司 | Substation indicator lamp |
| CN104819413B (en) * | 2015-04-24 | 2017-06-09 | 广州供电局有限公司 | Transformer station's indicator lamp |
| CN106841759A (en) * | 2017-01-23 | 2017-06-13 | 宁波多普勒通讯有限公司 | PDU remote monitoring and managing systems |
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|---|---|
| CN102297359B (en) | 2012-11-28 |
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