CN100545972C - A kind of switch transition device and have the automatic change-over of this device - Google Patents
A kind of switch transition device and have the automatic change-over of this device Download PDFInfo
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- CN100545972C CN100545972C CNB2007100733394A CN200710073339A CN100545972C CN 100545972 C CN100545972 C CN 100545972C CN B2007100733394 A CNB2007100733394 A CN B2007100733394A CN 200710073339 A CN200710073339 A CN 200710073339A CN 100545972 C CN100545972 C CN 100545972C
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- guide rod
- bent axle
- axle
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Abstract
A kind of switch transition device and have the automatic change-over of this device, this conversion equipment comprises main shaft, the main shaft fork of chute, bent axle, guide rod, guide rod spring, electromagnet are set and are connected the moving core ends of electromagnet and be provided with the contiguous block of slotted hole; Main shaft is rotatably connected on the switch bracket, and the one end is connected with switch movable contact; Bent axle comprises the bent axle fork, be connected apical axis, the lower shaft between the bent axle fork and be connected the two butt axles in the bent axle fork outside, and the end axle is rotatably connected on the switch bracket along the main-shaft axis direction; The guide rod upper end is rotationally connected with lower shaft, the lower end is supported on the switch bracket stopping means; The moving iron core direction of motion of electromagnet is along crankshaft end axis direction transverse arrangement of turbo; By apical axis cooperate with chute, contiguous block cooperates with lower shaft and realizes switch transition; This switch uses this conversion equipment to constitute.The present invention has simplified construction of switch, has reduced the switch manufacturing cost; Can realize that switch contact disconnects and the reliable self-locking of make position.
Description
Technical field
The switch that the present invention relates to a kind of internal structure of appliance switch and use this structure is specifically related to a kind of switch transition device and has the automatic change-over of this device.
Background technology
At present, general automatic change-over mostly adopts V-type mechanism to reach the mechanical self-latching of commutation parts, structurally need to adopt special snap close electromagnet and complicated latching device, and need special commutation electromagnet and corresponding changement to finish the commutation action of commutation parts.
There is following defective in existing automatic change-over:
1, need at least two electromagnet to come execution, make its complex structure, assembly difficulty is big, and reliability reduces;
2, the action between each electromagnet needs corresponding electronic component to control its order, and responsiveness is slow;
3, the switch parts are more, take than large space, make volume of switch bigger;
4, the manufacturing cost height of switch.
Summary of the invention
One of the technical problem to be solved in the present invention is, a kind of switch transition device is provided, and simplifies existing construction of switch, overcomes the above-mentioned defective that prior art exists.
Two of the technical problem to be solved in the present invention is, a kind of automatic change-over is provided, and adopts above-mentioned switch transition device, overcomes the above-mentioned defective that existing switch exists.
The present invention solves the technical scheme that one of its technical problem adopts: construct a kind of switch transition device, it is characterized in that: comprise main shaft 1, with this main shaft with the main shaft fork 2, bent axle 100, the guide rod 6 that limit mutual rotating manner and be connected, be sleeved on compression spring 8 on this guide rod, be connected the electromagnet 4 on the switch bracket 11 and be connected the contiguous block 10 of moving iron core 3 ends of this electromagnet; Described main shaft is rotatably connected on this switch bracket, and the one end is connected to limit mutual rotating manner with switch movable contact; Described bent axle comprises at least two bent axle forks 5, be connected between the described bent axle fork upper end and apical axis between the lower end 51 and lower shaft and be connected this bent axle fork outside between this apical axis axis and this lower shaft axis and two coaxial butt axles 9, and this two butts axle is rotatably connected on this switch bracket along described main-shaft axis direction; Described main shaft fork comprises the chute that is provided with to its free end direction along itself and described main shaft link, and described apical axis inserts this chute and is mated realizes this main shaft fork swinging around described main shaft; Described contiguous block is included in the slotted hole that its operating state is provided with along its vertical direction, and described lower shaft passes this slotted hole and is mated; The upper end of described guide rod is rotatably connected on this lower shaft upper and lower end and is supported on the stopping means of this switch bracket, and described lower shaft is realized swinging to described crank-driven with making this contiguous block cooperating of described contiguous block slotted hole; The direction of motion of the moving iron core of described electromagnet is along the end axis direction transverse arrangement of turbo of described bent axle; Under the driving of described electromagnet, described main shaft fork swings and drives switch movable contact realization switch transition by described main shaft; When described switch movable contact is in first service position, the first work side of the chute of described main shaft fork and the apical axis axle center of described bent axle form first angle with end axle axial connecting line, when described switch movable contact and fixed contact are in second service position, the apical axis axle center of second work side and described bent axle of the chute of described main shaft fork forms second angle with an end axial connecting line, and is relative about this first angle and this second angle.
In switch transition device of the present invention, described first angle is less than 90 degree.
In switch transition device of the present invention, described second angle is less than 90 degree.
In switch transition device of the present invention, the stopping means of described switch bracket is to be arranged on this switch bracket on the supporting surface of described guide rod and the hole that cooperates with this lower end of the guide rod, described lower end of the guide rod passes this hole, and this hole positions described lower end of the guide rod and makes this guide rod around the swing of the position location of described guide rod.
In switch transition device of the present invention, the stopping means of described switch bracket is to be fitted in this switch bracket to the limiting plate on the supporting surface of described guide rod 7, this limiting plate comprises the hole that cooperates with this lower end of the guide rod, this switch bracket is provided with the hole that size is equal to or greater than this hole size in the position of this hole correspondence, and the hole on the described limiting plate positions described lower end of the guide rod and makes this guide rod around the swing of the position location of described guide rod.
In switch transition device of the present invention, described contiguous block is threaded with the moving iron core of described electromagnet.
In switch transition device of the present invention, described electromagnet is that the electromagnet of a bidirectional-movement or two are connected to the one-way movement at described contiguous block two ends or the electromagnet of bidirectional-movement.
In switch transition device of the present invention, described end axle comprises along the hole of this end axle horizontally set or the plane that vertically is provided with along this end axle in the part of stretching out the described switch bracket outside; Described bent axle comprises the axle sleeve that is sleeved on the described apical axis, the described chute cooperating of this axle sleeve and described main shaft fork.
In switch transition device of the present invention, the end axle axle center of the axle center of described main shaft, described bent axle and described stopping means are centered close in the same vertical plane on described switch bracket guide rod supports surface.
Two technical schemes that adopted that the present invention solves its technical problem are: construct a kind of automatic change-over, comprise switch bracket 11, moving contact, fixed contact and switch transition device, it is characterized in that: this switch transition device comprise main shaft 1, with this main shaft with the main shaft fork 2, bent axle 100, the guide rod 6 that limit mutual rotating manner and be connected, be sleeved on compression spring 8 on this guide rod, be connected the electromagnet 4 on the described switch bracket 11 and be connected the contiguous block 10 of moving iron core 3 ends of this electromagnet; Described main shaft is rotatably connected on this switch bracket, and the one end is connected to limit mutual rotating manner with described moving contact; Described bent axle comprises at least two bent axle forks 5, be connected between the described bent axle fork upper end and apical axis between the lower end 51 and lower shaft and be connected this bent axle fork outside between this apical axis axis and this lower shaft axis and two coaxial butt axles 9, and this two butts axle is rotatably connected on this switch bracket along described main-shaft axis direction; Described main shaft fork comprises the chute that is provided with to its free end direction along itself and described main shaft link, and described apical axis inserts this chute and is mated realizes this main shaft fork swinging around described main shaft; Described contiguous block is included in the slotted hole that its operating state is provided with along its vertical direction, and described lower shaft passes this slotted hole and is mated; The upper end of described guide rod is rotatably connected on this lower shaft upper and lower end and is supported on the stopping means of this switch bracket, and described lower shaft is realized swinging to described crank-driven with making this contiguous block cooperating of described contiguous block slotted hole; The direction of motion of the moving iron core of described electromagnet is along the end axis direction transverse arrangement of turbo of described bent axle; Under the driving of described electromagnet, described main shaft fork swings and drives described moving contact and described fixed contact closure or disconnect the realization switch transition by described main shaft; When described switch movable contact is in first service position, the first work side of the chute of described main shaft fork and the apical axis axle center of described bent axle form first angle with end axle axial connecting line, when described switch movable contact and fixed contact are in second service position, the apical axis axle center of second work side and described bent axle of the chute of described main shaft fork forms second angle with an end axial connecting line, and is relative about this first angle and this second angle.
Implement switch transition device of the present invention and have the automatic change-over of this device, compared with the prior art, its beneficial effect is:
1, simplify construction of switch greatly, used an electromagnet can realize the switching motion of switch,
Simplify the manufacturing process of switch simultaneously, reduced the manufacturing cost of switch;
2, the action and the control of switch have been simplified;
3, can realize that switch contact disconnects and the reliable self-locking of make position.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of a kind of embodiment under initial condition of switch transition device of the present invention.
Fig. 2 is the status architecture schematic diagram after switch transition device of the present invention is once changed.
Fig. 3 is the structural upright schematic diagram of switch transition device of the present invention.
Embodiment
Fig. 1, Fig. 2, Fig. 3 show a kind of embodiment of the present invention.As shown in Figure 1, switch transition device of the present invention comprise main shaft 1, connect (can be fixedly connected, connection that restriction is rotated mutually (with square sleeve cooperate as square shaft etc.) etc.) at the main shaft fork 2 on the main shaft 1, bent axle 100, guide rod 6, be sleeved on compression spring 8 on the guide rod 6, be connected the electromagnet 4 on the switch bracket 11 and be connected the contiguous block 10 of moving iron core 3 ends of electromagnet 4.
Bent axle 100 comprises two bent axle forks 5, be connected between bent axle fork 5 upper ends and 51 (see figure 3)s of the apical axis between the lower end and lower shaft (invisible among the figure) and be connected between apical axis axis and lower shaft axis and mutually two coaxial butt axles 9 of these bent axle fork 5 outsides, and this two butts axle 9 is rotatably connected on the switch bracket 11 along the axis direction of main shaft 1.As required, bent axle fork 5 can be provided with multi-disc, and as 3,4 etc., upper and lower end is provided with apical axis 51 and lower shaft respectively between per two bent axle forks 5, can cooperate with a plurality of electromagnet 4 and contiguous block 10 (stating as follows), improves the operating physical force of switch transition device.
To the free end direction of main shaft fork 2 chute 21 is set with main shaft 1 link at main shaft fork 2 upper edge main shaft forks 2, apical axis 51 inserts in the chute 21 and with the two sides of chute 21 and cooperates.Contiguous block 10 is provided with slotted hole (or U-lag etc.), and the direction of slotted hole (or U-lag) is positioned at vertical direction when contiguous block 10 is in running order and towards the lower shaft of bent axle 100, lower shaft passes this slotted hole and cooperates with the two sides of slotted hole.The apical axis 51 driving main shaft forks 2 of bent axle 100 were around the constraint that main shaft 1 swings, apical axis 51 is not subjected to chute 21 length when the length of the chute 21 of main shaft fork 2 will satisfy the work of switch transition device, and guide rod 6 was subjected to the lower shaft of bent axle 100 to drive the constraint that swing (stating as follows), lower shaft are not subjected to slotted hole length when the length of the slotted hole of contiguous block 10 will satisfy the work of switch transition device.
The upper end of guide rod 6 is rotatably connected on the lower shaft, its lower end is supported in the hole of the limiting plate 7 on the supporting surface that is fixed on 11 pairs of guide rods 6 of switch bracket of fitting, this hole positions guide rod 6 lower ends, simultaneously, switch bracket 11 is provided with the hole (invisible among the figure) that a size is equal to or greater than the hole size of limiting plate 7 in the position of the correspondence in the hole of limiting plate 7, stretch out from this two hole guide rod 6 lower ends, and guide rod 6 swings around this position location.In other embodiments, can the hole that cooperate with guide rod 6 lower ends be set on the supporting surface of 11 pairs of guide rods 1 of switch bracket directly, stretch out from this hole guide rod 6 lower ends, and this hole positions guide rod 6 lower ends, and this guide rod 6 is swung around this position location.
As shown in Figure 1, when switch movable contact and fixed contact are in a certain state (as closure state), the axle center of the work side, left side of the chute 21 of main shaft fork and the apical axis 51 of bent axle 100 and the axial connecting line formation angle a to the right that holds axle 9, bent axle 100 keeps this on off state under the effect of spring 8.Realize the reliable self-locking of switch at closure state, the reaction force that need satisfy the apical axis 51 of 2 pairs of bent axles 100 of main shaft fork can not make bent axle 100 revolutions, at this moment, gets angle a and gets final product less than 90 degree.
As shown in Figure 2, when promoting contiguous block 10, electromagnet 4 moves right, when switch transition makes switch movable contact and fixed contact be in another state (as off-state), the axle center of the work side, right side of the chute 21 of main shaft fork and the apical axis 51 of bent axle 100 and the axial connecting line formation angle b left that holds axle 9, bent axle 100 keeps this on off state under the effect of spring 8.Realize the reliable self-locking of switch in off-state, the reaction force that need satisfy the apical axis 51 of 2 pairs of bent axles 100 of main shaft fork can not make bent axle 100 revolutions, at this moment, gets angle b and gets final product less than 90 degree.
For the ease of adjusting the service position of contiguous block 10, contiguous block 10 adopts with the moving iron core 3 of electromagnet and is threaded.The moving iron core 3 of two electromagnet 4 is identical with the connecting thread direction of rotation at contiguous block 10 two ends in the present embodiment.
Present embodiment adopts the double electromagnet 4 of positioned opposite to drive contiguous block 10, and electromagnet 4 adopts the electromagnet of one-way movements or bidirectional-movement at this moment.In other embodiments, can adopt can bidirectional-movement an electromagnet drive contiguous block 10.
For the ease of the tool using inspection switch, the part of stretching out switch bracket 11 outsides at end axle 9 vertically is provided with the plane along end axle horizontally set hole or along the end axle, like this, utilizes the hole or the plane that are provided with, using screwdriver or spanner is rotatable crankshaft 100, realizes manual change-over switch.
In order to reduce the frictional force of apical axis 51 and the chute 21 of main shaft fork, all rolling between the suit axle sleeve on apical axis 51, axle sleeve and main shaft fork and chute cooperates, thereby reduces the frictional force that fixedly apical axis 51 and chute 21 are slidingly matched.
In order to guarantee the reliable in action of switch transition device, lower end supporting point (being the stopping means of the guide rod 6 lower ends) center of the axle center of the axle center of main shaft 1, crankshaft end axle 9 and guide rod 6 is arranged in the same vertical plane on surface of switch bracket 11 guide rod supports guide rods 6, comes simplified design by symmetric arrangement.
Automatic change-over of the present invention adopts above-mentioned switch transition device, and moving contact is connected the output of the main shaft 1 of switch transition device, realizes the state exchange of switch by conversion equipment.
For the single supply change over switch, a fixed contact is set, switch transition device control moving contact and fixed contact closed and disconnected are realized the conversion of switch switching state.For dual-power transfer switch, two positions that are arranged on the moving contact swing are provided with a fixed contact respectively, and the swing of switch transition device control moving contact realizes the conversion of two kinds of power connections respectively with these two fixed contacts closures.
Claims (10)
1, a kind of switch transition device is characterized in that: comprise main shaft (1), with this main shaft with the main shaft fork (2), bent axle (100), the guide rod (6) that limit mutual rotating manner and be connected, be sleeved on compression spring (8) on this guide rod, be connected the electromagnet (4) on the switch bracket (11) and be connected the contiguous block (10) of moving iron core (3) end of this electromagnet; Described main shaft is rotatably connected on this switch bracket, and the one end is connected to limit mutual rotating manner with switch movable contact; Described bent axle comprises at least two bent axle forks (5), be connected between the described bent axle fork upper end and apical axis between the lower end (51) and lower shaft and be connected this bent axle fork outside between this apical axis axis and this lower shaft axis and two coaxial butt axles (9), and this two butts axle is rotatably connected on this switch bracket along described main-shaft axis direction; Described main shaft fork comprises the chute that is provided with to its free end direction along itself and described main shaft link, and described apical axis inserts this chute and is mated realizes this main shaft fork swinging around described main shaft; Described contiguous block is included in the slotted hole that its operating state is provided with along its vertical direction, and described lower shaft passes this slotted hole and is mated; The upper end of described guide rod is rotatably connected on this lower shaft upper and lower end and is supported on the stopping means of this switch bracket, and described lower shaft is realized swinging to described crank-driven with making this contiguous block cooperating of described contiguous block slotted hole; The direction of motion of the moving iron core of described electromagnet is along the end axis direction transverse arrangement of turbo of described bent axle; Under the driving of described electromagnet, described main shaft fork swings and drives switch movable contact realization switch transition by described main shaft; When described switch movable contact is in first service position, the first work side of the chute of described main shaft fork and the apical axis axle center of described bent axle form first angle with end axle axial connecting line, when described switch movable contact and fixed contact are in second service position, the apical axis axle center of second work side and described bent axle of the chute of described main shaft fork forms second angle with an end axial connecting line, and is relative about this first angle and this second angle.
2, switch transition device as claimed in claim 1 is characterized in that, described first angle is less than 90 degree.
3, switch transition device as claimed in claim 1 is characterized in that, described second angle is less than 90 degree.
4, switch transition device as claimed in claim 1, it is characterized in that, the stopping means of described switch bracket is to be arranged on this switch bracket on the supporting surface of described guide rod and the hole that cooperates with this lower end of the guide rod, described lower end of the guide rod passes this hole, and this hole positions described lower end of the guide rod and makes this guide rod around the swing of the position location of described guide rod.
5, switch transition device as claimed in claim 1, it is characterized in that, the stopping means of described switch bracket is to be fitted in this switch bracket to the limiting plate on the supporting surface of described guide rod, this limiting plate comprises the hole that cooperates with this lower end of the guide rod, this switch bracket is provided with the hole that size is equal to or greater than this hole size in the position of this hole correspondence, and the hole on the described limiting plate positions described lower end of the guide rod and makes this guide rod around the swing of the position location of described guide rod.
6, switch transition device as claimed in claim 1 is characterized in that, described contiguous block is threaded with the moving iron core of described electromagnet.
As the described switch transition device of one of claim 1 to 6, it is characterized in that 7, described electromagnet is that the electromagnet of a bidirectional-movement or two are connected to the one-way movement at described contiguous block two ends or the electromagnet of bidirectional-movement.
8, switch transition device as claimed in claim 7 is characterized in that, described end axle comprises along the hole of this end axle horizontally set or the plane that vertically is provided with along this end axle in the part of stretching out the described switch bracket outside; Described bent axle comprises the axle sleeve that is sleeved on the described apical axis, the described chute cooperating of this axle sleeve and described main shaft fork.
9, switch transition device as claimed in claim 7 is characterized in that, the end axle axle center of the axle center of described main shaft, described bent axle and described stopping means are centered close in the same vertical plane on described switch bracket guide rod supports surface.
10, a kind of automatic change-over, comprise switch bracket (11), moving contact, fixed contact and switch transition device, it is characterized in that: this switch transition device comprise main shaft (1), with this main shaft with the main shaft fork (2), bent axle (100), the guide rod (6) that limit mutual rotating manner and be connected, be sleeved on compression spring (8) on this guide rod, be connected the electromagnet (4) on the described switch bracket (11) and be connected the contiguous block (10) of moving iron core (3) end of this electromagnet; Described main shaft is rotatably connected on this switch bracket, and the one end is connected to limit mutual rotating manner with described moving contact; Described bent axle comprises at least two bent axle forks (5), be connected between the described bent axle fork upper end and apical axis between the lower end (51) and lower shaft and be connected this bent axle fork outside between this apical axis axis and this lower shaft axis and two coaxial butt axles (9), and this two butts axle is rotatably connected on this switch bracket along described main-shaft axis direction; Described main shaft fork comprises the chute that is provided with to its free end direction along itself and described main shaft link, and described apical axis inserts this chute and is mated realizes this main shaft fork swinging around described main shaft; Described contiguous block is included in the slotted hole that its operating state is provided with along its vertical direction, and described lower shaft passes this slotted hole and is mated; The upper end of described guide rod is rotatably connected on this lower shaft upper and lower end and is supported on the stopping means of this switch bracket, and described lower shaft is realized swinging to described crank-driven with making this contiguous block cooperating of described contiguous block slotted hole; The direction of motion of the moving iron core of described electromagnet is along the end axis direction transverse arrangement of turbo of described bent axle; Under the driving of described electromagnet, described main shaft fork swings and drives described moving contact and described fixed contact closure or disconnect the realization switch transition by described main shaft; When described switch movable contact is in first service position, the first work side of the chute of described main shaft fork and the apical axis axle center of described bent axle form first angle with end axle axial connecting line, when described switch movable contact and fixed contact are in second service position, the apical axis axle center of second work side and described bent axle of the chute of described main shaft fork forms second angle with an end axial connecting line, and is relative about this first angle and this second angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100733394A CN100545972C (en) | 2007-02-13 | 2007-02-13 | A kind of switch transition device and have the automatic change-over of this device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100733394A CN100545972C (en) | 2007-02-13 | 2007-02-13 | A kind of switch transition device and have the automatic change-over of this device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101246782A CN101246782A (en) | 2008-08-20 |
| CN100545972C true CN100545972C (en) | 2009-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100733394A Active CN100545972C (en) | 2007-02-13 | 2007-02-13 | A kind of switch transition device and have the automatic change-over of this device |
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| CN (1) | CN100545972C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496506A (en) * | 2011-11-24 | 2012-06-13 | 天津市百利电气有限公司 | Automatic changeover switch with short arcing time |
| CN102983026B (en) * | 2012-11-30 | 2015-03-04 | 深圳市泰永电气科技有限公司 | Double-power closing-opening drive conversion device |
| CN104865187A (en) * | 2015-04-24 | 2015-08-26 | 上海伯顿医疗设备有限公司 | Line spectrum light path light door switch device |
| CN109509646B (en) | 2017-09-15 | 2023-01-06 | Abb 瑞士股份有限公司 | Switching device |
| CN111739745B (en) * | 2020-06-03 | 2022-11-11 | 深圳市泰永电气科技有限公司 | Switching device and switching device self-locking device thereof |
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2007
- 2007-02-13 CN CNB2007100733394A patent/CN100545972C/en active Active
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| CN101246782A (en) | 2008-08-20 |
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Owner name: GUIZHOU CHANGZHENG SWITCH MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SHENZHEN TAIYONG TECHNOLOGY CO., LTD. Effective date: 20110216 |
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Effective date of registration: 20110216 Address after: 563002 No. 147, Shanghai Road, Zunyi, Guizhou Patentee after: GUIZHOU CHANGZHENG SWITCH MFG CO.,LTD. Address before: Nanshan District high tech in the way of new materials in Hong Kong Jang Park 518057 Shenzhen City, Guangdong province F building 4 floor Patentee before: SHENZHEN TAIYONG TECHNOLOGY Co.,Ltd. |
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Address after: The middle section of Wuhan road Huichuan District Waigaoqiao Industrial Park 563002 Guizhou city of Zunyi Province Patentee after: SHENZHEN TAIYONG ELECTRIC Co.,Ltd. Address before: The middle section of Wuhan road Huichuan District Waigaoqiao Industrial Park 563002 Guizhou city of Zunyi Province Patentee before: Guizhou Taiyong long Technology Co.,Ltd. |
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Address after: The middle section of Wuhan road Huichuan District Waigaoqiao Industrial Park 563002 Guizhou city of Zunyi Province Patentee after: Guizhou Taiyong long Technology Co.,Ltd. Address before: 563002 No. 147, Shanghai Road, Zunyi, Guizhou Patentee before: GUIZHOU CHANGZHENG SWITCH MFG CO.,LTD. |