CN103204065A - Emergency control circuit of school bus - Google Patents
Emergency control circuit of school bus Download PDFInfo
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- CN103204065A CN103204065A CN2013100809878A CN201310080987A CN103204065A CN 103204065 A CN103204065 A CN 103204065A CN 2013100809878 A CN2013100809878 A CN 2013100809878A CN 201310080987 A CN201310080987 A CN 201310080987A CN 103204065 A CN103204065 A CN 103204065A
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Abstract
The invention discloses an emergency control circuit of a school bus. The emergency control circuit which conforms to emergency disposal regulations in our country according to safety specifications for special school buses comprises a power supply switch, an electromagnetic power master switch, a battery, an ignition lock, a left steering signal light, a right steering signal light, an interior dome light, a courtesy lamp, an emergency switch and an electrically controllable switch device; the emergency switch comprises a group of normally open and normally closed contracts and a group of normally open contacts; a positive electrode of the battery is connected with movable contacts of the group of normally open and normally closed contracts of the emergency switch; normally open stationary contacts of the group of normally open and normally closed contracts are connected with a control terminal of the electrically controllable switch device; normally closed stationary contacts of the group of normally open and normally closed contracts are connected with a control terminal of the electromagnetic power master switch through the power supply switch; and a group of normally closed contacts of the emergency switch are arranged in an ignition control circuit in a serial mode. The emergency control circuit of the school bus has the advantages of greatly improving the controllability and being simple to operate due to the fact that the emergency control circuit is integrated into an electrical control circuit of an integral vehicle.
Description
Technical field
The present invention relates to a kind of electric control circuit, refer more particularly to the school bus emergency control circuit.
Background technology
As everyone knows, the appearance of school bus, on the one hand for the going to school of students in middle and primary schools, classes are over provides a great convenience, and on the other hand, because the control circuit of school bus can't be disposed emergency situation such as bursts such as fire at present, often therefore leads to safety misadventure.For this reason, our country must arrange emergency switch with school bus and include " special-purpose school bus safety specification " in, require school bus after starting emergency switch, can realize that driving engine quits work rapidly, and emergency lighting (part railway carriage or compartment lamp and passenger door step lamp) in the startup car, connect vehicle danger warning signal, cut off electromagnetic power-supply general switch.
Summary of the invention
Technical matters to be solved by this invention is: provide a kind of can be after starting emergency switch, can realize that driving engine quits work rapidly, and emergency lighting in the startup car, connect vehicle danger warning signal, cut off the school bus emergency control circuit of electromagnetic power-supply general switch.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: the school bus emergency control circuit comprises source switch, electromagnetic power-supply general switch, storage battery, ignition lock, left direction signal lamp, right steering signal lamp, vehicle interior roof light, step lamp, emergency switch and electric gate-controlled switch device; A contact of ignition lock links to each other with the car load positive source, and another contact of ignition lock links to each other with the engine control end, forms ignition control circuit; Emergency switch includes one group of normally-open normally-close contact and one group of open contact; The positive pole of described storage battery links to each other with the car load positive source by one group of open contact of electromagnetic power-supply general switch, the positive pole of storage battery also with emergency switch in one group of normally-open normally-close contact in moving contact link to each other, the break back contact of often opening in this group normally-open normally-close contact links to each other with the control end of electric gate-controlled switch device, normally closed break back contact in this group normally-open normally-close contact links to each other with the control end of electromagnetic power-supply general switch by source switch, one group of open contact of electromagnetic power-supply general switch links to each other the positive pole of storage battery with the car load positive source, one group of normally closed contact string of described emergency switch is located in the ignition control circuit, described electric gate-controlled switch device includes four groups of open contacts at least, contact separately of these four groups of open contacts is attempted by on the positive pole of storage battery, four groups of open contacts separately another contact respectively with the left direction signal lamp, the right steering signal lamp, vehicle interior roof light, the power end of step lamp links to each other, the left direction signal lamp, the right steering signal lamp, vehicle interior roof light, step lamp is ground terminal separately, the ground terminal of electricity gate-controlled switch device, the ground terminal of electromagnetic power-supply general switch links to each other with the negative pole of storage battery.
Described electric gate-controlled switch device is the direct current multiple contact intermediate relay that includes at least four group open contacts.
The coil two ends of described direct current multiple contact intermediate relay also are connected to backward diode.
Be provided with first wire fuse between one group of open contact of described electromagnetic power-supply general switch and the car load positive source.
The positive pole of described storage battery links to each other by the moving contact in one group of normally-open normally-close contact in second wire fuse and the described emergency switch.
The positive pole of described storage battery links to each other by separately an open contact in second wire fuse and the described electric gate-controlled switch device.
Beneficial effect of the present invention is: the present invention incorporates emergency control circuit in the electric control circuit of whole vehicle, improved handling greatly, operate very simple, as long as press emergency switch, just can realize that driving engine quits work rapidly, and, start emergency lighting (part railway carriage or compartment lamp and passenger door step lamp) in the car, connect vehicle danger warning signal and cut off electromagnetic power-supply general switch.
Description of drawings
Fig. 1 is structural representation of the present invention.
Reference numeral among Fig. 1: 1, source switch, 2, electromagnetic power-supply general switch, 3, storage battery, 4, emergency switch, 5, ignition lock, 6, direct current multiple contact intermediate relay, 7, left direction signal lamp, 8, the right steering signal lamp, 9, vehicle interior roof light, 10, step lamp, 11, left steering light switch, 12, the right steering light switch, 13, the vehicle interior roof light switch, 14, step lamp switch, 15, first wire fuse, 16, second wire fuse, 17, the car load positive source, 18, car load power cathode, 19, backward diode.
The specific embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present invention in detail.
As shown in Figure 1, school bus emergency control circuit of the present invention comprises: source switch 1, electromagnetic power-supply general switch 2, storage battery 3, ignition lock 5, left direction signal lamp 7, right steering signal lamp 8, vehicle interior roof light 9, step lamp 10, emergency switch 4 and as the direct current multiple contact intermediate relay 6 that includes four groups of normally-open normally-close contacts (model is HH54P) of electric gate-controlled switch device; A contact of ignition lock 5 links to each other with car load positive source 17, and another contact of ignition lock 5 links to each other with the engine control end, forms ignition control circuit; Emergency switch 4 includes first group of normally-open normally-close contact X and second group of normally-open normally-close contact Y; The positive pole of described storage battery 3 links to each other with car load positive source 17 by first wire fuse 15 that is serially connected and one group of open contact of electromagnetic power-supply general switch 2, the positive pole of storage battery 3 also with emergency switch 4 in second group of normally-open normally-close contact Y in moving contact link to each other, the break back contact of often opening among second group of normally-open normally-close contact Y links to each other with the control end of direct current multiple contact intermediate relay 6 coils, normally closed break back contact among second group of normally-open normally-close contact Y links to each other with the control end of electromagnetic power-supply general switch 2 by source switch 1, one group of open contact of electromagnetic power-supply general switch 2 links to each other the positive pole of storage battery 3 with car load positive source 17, a pair of normally closed contact string among first group of normally-open normally-close contact X of described emergency switch 4 is located in the ignition control circuit, each automated contact of four groups of normally-open normally-close contacts of described direct current multiple contact intermediate relay 6 is attempted by on the positive pole of described storage battery 3, these four groups of normally-open normally-close contacts often open separately break back contact respectively with left direction signal lamp 7, right steering signal lamp 8, vehicle interior roof light 9, the power end of step lamp 10 links to each other, described left direction signal lamp 7, right steering signal lamp 8, vehicle interior roof light 9, step lamp 10 is ground terminal separately, the ground terminal of direct current multiple contact intermediate relay 6, the ground terminal of electromagnetic power-supply general switch 2, the negative pole of storage battery 3 links to each other with the negative pole 18 of car load power supply.In the present embodiment, the coil two ends of described direct current multiple-contact relay 6 also are connected to backward diode 19; Described storage battery 3 links to each other with each automated contact of four groups of normally-open normally-close contacts of described direct current multiple contact intermediate relay 6 and the moving contact among second group of normally-open normally-close contact Y in the described emergency switch 4 by second wire fuse 16; Described emergency switch (4) be band mechanical self-latching defencive function (preventing false triggering) and doublely often open, the rocker switch of normally closed contact function; direct current multiple contact intermediate relay (6) is common low-voltage direct contactless switch; the coil pick-up voltage is generally DC12V or DC24V, contact current usually 〉=5A.
Left steering light switch 11 among Fig. 1, right steering light switch 12, vehicle interior roof light switch 13 and step lamp switch 14 are used for the corresponding left direction signal lamp 7 of normal switch, right steering signal lamp 8, vehicle interior roof light 9, step lamp 10.
Working process of the present invention is: when vehicle was in an emergency, chaufeur was opened emergency switch 4 rapidly, by cutting off the power supply of electromagnetic power-supply general switch 2, made and the coil losing electricity of electromagnetic power-supply general switch 2 cut off whole power supply; By cutting off the control end power supply of driving engine, realize engine off; By connecting the power supply of direct current multiple contact intermediate relay 6, that is: the coil of direct current multiple contact intermediate relay 6 is powered on, make left direction signal lamp (7), right steering signal lamp (8), vehicle interior roof light (9), step lamp (10) connect power supply, realize starting emergency lighting (part railway carriage or compartment lamp and passenger door step lamp) in the car, and send vehicle danger warning signal.
Claims (9)
1. the school bus emergency control circuit comprises: source switch (1), electromagnetic power-supply general switch (2), storage battery (3), ignition lock (5), left direction signal lamp (7), right steering signal lamp (8), vehicle interior roof light (9), step lamp (10); A contact of ignition lock (5) links to each other with the car load positive source, and another contact of ignition lock (5) links to each other with the engine control end, forms ignition control circuit; It is characterized in that described emergency control circuit also comprises: emergency switch (4) and electric gate-controlled switch device, emergency switch (4) include one group of normally-open normally-close contact and one group of open contact; The positive pole of described storage battery (3) links to each other with the car load positive source by one group of open contact of electromagnetic power-supply general switch (2), the positive pole of storage battery (3) also with emergency switch (4) in one group of normally-open normally-close contact in moving contact link to each other, the break back contact of often opening in this group normally-open normally-close contact links to each other with the control end of electric gate-controlled switch device, normally closed break back contact in this group normally-open normally-close contact links to each other with the control end of electromagnetic power-supply general switch (2) by source switch (1), one group of open contact of electromagnetic power-supply general switch (2) links to each other the positive pole of storage battery (3) with the car load positive source, one group of normally closed contact string of described emergency switch (4) is located in the ignition control circuit, described electric gate-controlled switch device includes four groups of open contacts at least, contact separately of these four groups of open contacts is attempted by on the positive pole of storage battery (3), four groups of open contacts separately another contact respectively with left direction signal lamp (7), right steering signal lamp (8), vehicle interior roof light (9), the power end of step lamp (10) links to each other, left direction signal lamp (7), right steering signal lamp (8), vehicle interior roof light (9), step lamp (10) is ground terminal separately, the ground terminal of electricity gate-controlled switch device, the ground terminal of electromagnetic power-supply general switch (2) links to each other with the negative pole of storage battery (3).
2. school bus emergency control circuit according to claim 1 is characterized in that, described electric gate-controlled switch device is the direct current multiple contact intermediate relay that includes at least four group open contacts.
3. school bus emergency control circuit according to claim 2 is characterized in that, the coil two ends of described direct current multiple contact intermediate relay also are connected to backward diode.
4. according to claim 1,2 or 3 described school bus emergency control circuits, it is characterized in that, be provided with first wire fuse (15) between one group of open contact of described electromagnetic power-supply general switch (2) and the car load positive source.
5. according to claim 1,2 or 3 described school bus emergency control circuits, it is characterized in that the positive pole of described storage battery (3) links to each other by the moving contact in one group of normally-open normally-close contact in second wire fuse (16) and the described emergency switch (4).
6. school bus emergency control circuit according to claim 4 is characterized in that, the positive pole of described storage battery (3) links to each other by the moving contact in one group of normally-open normally-close contact in second wire fuse (16) and the described emergency switch (4).
7. according to claim 1,2 or 3 described school bus emergency control circuits, it is characterized in that the positive pole of described storage battery (3) links to each other by separately an open contact in second wire fuse (16) and the described electric gate-controlled switch device.
8. school bus emergency control circuit according to claim 4 is characterized in that, the positive pole of described storage battery (3) links to each other by separately an open contact in second wire fuse (16) and the described electric gate-controlled switch device.
9. school bus emergency control circuit according to claim 5 is characterized in that, the positive pole of described storage battery (3) links to each other by separately an open contact in second wire fuse (16) and the described electric gate-controlled switch device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310080987.8A CN103204065B (en) | 2013-03-14 | 2013-03-14 | Emergency control circuit of school bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310080987.8A CN103204065B (en) | 2013-03-14 | 2013-03-14 | Emergency control circuit of school bus |
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| Publication Number | Publication Date |
|---|---|
| CN103204065A true CN103204065A (en) | 2013-07-17 |
| CN103204065B CN103204065B (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310080987.8A Active CN103204065B (en) | 2013-03-14 | 2013-03-14 | Emergency control circuit of school bus |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5281947A (en) * | 1991-09-20 | 1994-01-25 | C.A.R.E., Inc. | Vehicular safety sensor and warning system |
| KR0150621B1 (en) * | 1996-06-28 | 1998-10-01 | 양재신 | Emergency lamp |
| CN201063457Y (en) * | 2007-06-22 | 2008-05-21 | 中通客车控股股份有限公司 | Emergent controller for vehicle |
| CN201400099Y (en) * | 2009-05-06 | 2010-02-10 | 中通客车控股股份有限公司 | Coach emergent-stall power-down safety device |
| JP2011245968A (en) * | 2010-05-26 | 2011-12-08 | Denso Corp | Control device for vehicle |
| CN202686349U (en) * | 2012-07-05 | 2013-01-23 | 芜湖玉泰汽车制动有限公司 | Series-type dual-chamber proportional valve |
| CN202753788U (en) * | 2012-07-31 | 2013-02-27 | 重庆五洲龙新能源汽车有限公司 | Public transportation vehicle and alarm thereof |
| CN203093957U (en) * | 2013-03-14 | 2013-07-31 | 江苏友谊汽车有限公司 | School bus emergency control circuit |
-
2013
- 2013-03-14 CN CN201310080987.8A patent/CN103204065B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5281947A (en) * | 1991-09-20 | 1994-01-25 | C.A.R.E., Inc. | Vehicular safety sensor and warning system |
| KR0150621B1 (en) * | 1996-06-28 | 1998-10-01 | 양재신 | Emergency lamp |
| CN201063457Y (en) * | 2007-06-22 | 2008-05-21 | 中通客车控股股份有限公司 | Emergent controller for vehicle |
| CN201400099Y (en) * | 2009-05-06 | 2010-02-10 | 中通客车控股股份有限公司 | Coach emergent-stall power-down safety device |
| JP2011245968A (en) * | 2010-05-26 | 2011-12-08 | Denso Corp | Control device for vehicle |
| CN202686349U (en) * | 2012-07-05 | 2013-01-23 | 芜湖玉泰汽车制动有限公司 | Series-type dual-chamber proportional valve |
| CN202753788U (en) * | 2012-07-31 | 2013-02-27 | 重庆五洲龙新能源汽车有限公司 | Public transportation vehicle and alarm thereof |
| CN203093957U (en) * | 2013-03-14 | 2013-07-31 | 江苏友谊汽车有限公司 | School bus emergency control circuit |
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| Publication number | Publication date |
|---|---|
| CN103204065B (en) | 2015-01-28 |
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