CN102745128B - Control method and system of vehicle emergency signal light - Google Patents

Control method and system of vehicle emergency signal light Download PDF

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Publication number
CN102745128B
CN102745128B CN201210259777.0A CN201210259777A CN102745128B CN 102745128 B CN102745128 B CN 102745128B CN 201210259777 A CN201210259777 A CN 201210259777A CN 102745128 B CN102745128 B CN 102745128B
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emergency signal
vehicle
signal lamp
control device
loop
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CN102745128A (en
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朱长建
任卫军
朱林
赵忠祥
齐行程
赵欢
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Xuzhou Heavy Machinery Co Ltd
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Xuzhou Heavy Machinery Co Ltd
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Abstract

The invention relates to the field of vehicle electric control technology, and discloses a control system of a vehicle emergency signal light. The control system comprises a power supply, an emergency signal light switch and a key switch, wherein the emergency signal light switch and an emergency signal light of a vehicle are formed to be a first loop; all the electric elements of the vehicle, except for the emergency signal light, and the key switch are formed to be a second loop; and the first loop and the second loop are connected in parallel to the power supply. With the adoption of the control system of the vehicle emergency signal light, the circuit consumption of other vehicle-mounted electric elements can be reduced, and the service time of the power supply of a vehicle-mounted storage battery can be prolonged in emergency. And the invention also discloses a control method of the vehicle emergency signal light.

Description

A kind of vehicle emergency signal lamp control method and system
Technical field
The present invention relates to vehicle electric control technology field, relate in particular to a kind of vehicle emergency signal lamp control system, the invention still further relates to a kind of vehicle emergency signal lamp control method.
Background technology
When vehicle runs into critical condition, vehicle driver need to open emergency signal light switch, to remind other road users.The emergency signal lamp control of traditional ultra-large type vehicle mainly contains two kinds of conventional modes, and a kind of is the mode that adopts flasher relay; Another kind is the mode that adopts programmable logic controller (PLC).
Along with the development of auto electric technology, the control of current emergency signal lamp mainly adopts the mode of Programmable Logic Controller, the principle of this mode is as follows: as shown in Figure 1, this vehicle emergency signal lamp control system generally includes storage battery 1 ', key switch 2 ', emergency signal light switch 3 ', vehicle control device (specifically comprising the first vehicle control device 41 ', the second vehicle control device 42); The emergency signal input end of vehicle control device is connected with the power output end of emergency signal light switch 3 ', and the control signal mouth of vehicle control device connects left rotaring signal lamp group 61 ', right turn signal lamp group 62 '; Key switch 3 ' forms close circuit with storage battery 1 ', the first electrode input end of vehicle body circuit 5 ' (for driving the circuit of other electric elementss of vehicle body), the power input of emergency signal light switch 3 ', described vehicle control device is the power output end series connection of described key switch 2 ' all, and the second electrode input end of vehicle control device is connected with the second electrode of storage battery 1 '.
Wherein, the control policy of vehicle control device is: when vehicle control device is received the emergency signal that emergency signal light switch 3 ' sends, vehicle control device control left steering lamp group 61 ', right steering lamp group 62 ' are glimmered in fixed frequency mode simultaneously, reach the object of critical warning.
As shown in Figure 2, the operating process of this vehicle emergency signal lamp control system is: when vehicle runs into critical condition, vehicle driver needs first closed key switch 2 ', closed emergency signal light switch 3 ' again, storage battery 1 ' is simultaneously to emergency signal light switch 3 ', vehicle control device (can comprise the first vehicle control device 41 ', the second vehicle control device 42 '), 5 ' the power supply of vehicle body circuit, car load is charged, emergency signal light switch 3 ' sends emergency signal to vehicle control device when closed, vehicle control device control left steering lamp group 61 ', right steering lamp group 62 ' is glimmered in fixed frequency mode simultaneously, vehicle is in critical mode of operation.
When vehicle runs into emergency situation, though now only need the work such as left steering lamp group 61 ', right steering lamp group 62 ', but in above-mentioned existing emergency signal lamp control system, once key switch 2 ' closure, the also still conducting of other electric elementss; If it is longer that vehicle is met the critical time, too much onboard electrical element conductive makes storage battery 1 ' electric energy consumption spend as quickly as possible quickening, and in the time that storage battery 1 ' electric energy exhausts, emergency signal lamp group cannot continue to provide critical alarm function, has increased car accident probability of occurrence.
In addition, the prerequisite of emergency signal lamp work is that key switch 2 ', emergency signal light switch 3 ' are simultaneously closed, and control step is more, operates more loaded down with trivial details.
Therefore, in the time that vehicle runs into emergency situation, how to reduce the circuitry consumes of other onboard electrical elements, the period of service of prolongation Vehicular accumulator cell power supply, become those skilled in the art's technical barrier urgently to be resolved hurrily.
Summary of the invention
The object of this invention is to provide a kind of vehicle emergency signal lamp control system, in the time that vehicle runs into emergency situation, this vehicle emergency signal lamp control system reduces the circuitry consumes of other onboard electrical elements, the period of service of prolongation Vehicular accumulator cell power supply.Another object of the present invention is to provide a kind of vehicle emergency signal lamp control method.
To achieve these goals, the invention provides a kind of vehicle emergency signal lamp control system, comprise power supply, emergency signal light switch and key switch, the emergency signal lamp of described emergency signal light switch and vehicle forms the first loop, the electric elements except described emergency signal lamp of described key switch and vehicle forms second servo loop, and described the first loop and described second servo loop are parallel to described power supply;
Also comprise the vehicle control device being connected with described power supply, the emergency signal input end of described vehicle control device is connected with described emergency signal light switch, and its vehicle body signal input part is connected with described key switch;
In the time that described emergency signal light switch is closed, described vehicle control device receives emergency signal, and controls described signal lamp and glimmer with fixed frequency; In the time that described key switch is closed, described vehicle control device receives other components and parts working signals, and controls other components and parts energisings.
Preferably, described second servo loop is provided with relay, and the power interface of described vehicle control device is connected with described key switch by the normal open switch of described relay.
Preferably, described emergency signal light switch is double-throw switch, and two power inputs of described double-throw switch are all connected with described power supply, and two power output end is connected with emergency signal input end and the described power interface of described vehicle control device respectively.
Preferably, on described second servo loop, be provided with current overload safety.
Vehicle emergency signal lamp control system provided by the invention, the emergency signal lamp of described emergency signal light switch and vehicle forms the first loop, the electric elements except described emergency signal lamp of described key switch and vehicle forms second servo loop, and described the first loop and described second servo loop are parallel to described power supply.If when vehicle runs into emergency situation and does not need to use vehicle-mounted other electric elementss, can direct closed emergency signal light switch, emergency signal lamp (left steering lamp group, right steering lamp group etc.) glimmers with fixed frequency simultaneously; Because key switch is in open mode, power supply and vehicle body circuit disconnect, and power supply does not need to vehicle-mounted other electric elements power supplies, only need power to emergency signal lamp, now vehicle, in energy-conservation critical mode of operation, can extend the period of service of vehicle power, reduces the probability that car accident occurs; And under this operating mode, only need closed emergency signal light switch, and can make vehicle in critical mode of operation, easy and simple to handle.
In preferred version, also comprise the vehicle control device being connected with described power supply, the emergency signal input end of described vehicle control device is connected with described emergency signal light switch, and its vehicle body signal input part is connected with described key switch; In the time that described emergency signal light switch is closed, described vehicle control device receives emergency signal, and controls described emergency signal lamp and glimmer with fixed frequency; In the time that described key switch is closed, described vehicle control device receives other components and parts working signals, and controls other components and parts energisings.
If when vehicle runs into emergency situation and does not need to use vehicle-mounted other electric elementss, can direct closed emergency signal light switch, now, power supply is communicated with vehicle control device, power supply is powered to vehicle control device, meanwhile, emergency signal light switch sends emergency signal to vehicle control device, and vehicle control device control emergency signal lamp (left steering lamp group, right steering lamp group etc.) glimmers with fixed frequency simultaneously; Because key switch is in open mode, power supply and vehicle body circuit disconnect, and power supply does not need to vehicle-mounted other electric elements power supplies, only need power to emergency signal lamp, now vehicle, in energy-conservation critical mode of operation, can extend the period of service of vehicle power, reduces the probability that car accident occurs; And under this operating mode, only need closed emergency signal light switch, and can make vehicle in critical mode of operation, easy and simple to handle.
In preferred version, the power output end of described key switch connects the first electrode input end of described vehicle control device; The key switch signal input part of described vehicle control device connects the close circuit of described key switch and the formation of described direct supply.
Vehicle runs into emergency situation, need to use vehicle-mounted other electric elementss time, as when the misty rain weather Vehicle Driving Cycle, need to turn on emergency signal lamp and warn other road users time, closed key switch, car load obtains electric, the electric current of power supply is powered to vehicle control device and vehicle-mounted other electric elementss through key switch, closed emergency signal light switch, emergency signal light switch sends emergency signal to vehicle control device, vehicle control device control emergency signal lamp (left steering lamp group, right steering lamp group etc.) glimmer with fixed frequency simultaneously, vehicle-mounted other electric elementss also can be worked simultaneously, now vehicle is in common critical mode of operation.
Normal vehicle operation or while berthing, emergency signal light switch is in open mode, the left steering lamp group, right steering lamp group that does not now allow emergency signal lamp simultaneously electric with fixed frequency flicker, vehicle is in non-critical mode of operation.
In order to realize above-mentioned another object, the present invention also provides a kind of vehicle emergency signal lamp control method, according to vehicle mode of operation of living in, controls energising or the power-off of first loop at emergency signal lamp place and the second servo loop at other electric elements places;
When vehicle is during in energy-conservation critical mode of operation, make described the first loop energising, described emergency signal lamp glimmers with fixed frequency, makes described second servo loop power-off, and other electric elementss must not electricity; When vehicle is during in common critical mode of operation, make described the first loop and described second servo loop all switch on, described emergency signal lamp glimmers with fixed frequency, and other electric elementss obtain electric; When vehicle is during in non-critical mode of operation, make described the first loop power-off, described emergency signal lamp does not glimmer, and makes described second servo loop energising, and other electric elementss obtain electric.
Preferably, the power on/off in described the first loop realizes by closing or open emergency signal light switch, and the power on/off of described second servo loop realizes by closing or open key switch.
This vehicle emergency signal lamp control method, if when vehicle runs into emergency situation and does not need to use vehicle-mounted other electric elementss, can be directly to vehicle control device input emergency signal light switch closure signal, vehicle control device just can be controlled emergency signal lamp (left steering lamp group, right steering lamp group) simultaneously with fixed frequency flicker, and now vehicle is in energy-conservation critical mode of operation; Owing to not needing to input key switch closure signal, be that key switch is in open mode, also be that direct supply and vehicle body circuit disconnect, direct supply does not need to vehicle-mounted other electric elements power supplies, only need power to emergency signal lamp, can extend the period of service of Vehicular direct-current power supply, reduce the probability that car accident occurs; And under this operating mode, only need closed emergency signal light switch, and can make vehicle in critical mode of operation, easy and simple to handle.
Vehicle runs into emergency situation, need to use vehicle-mounted other electric elementss time, as when the misty rain weather Vehicle Driving Cycle, need to turn on emergency signal lamp and warn other road users time, to vehicle control device input key switch closure signal, it is closed key switch, car load obtains electric, the electric current of direct supply is powered to vehicle control device and vehicle-mounted other electric elementss through key switch, again to vehicle control device input emergency signal light switch closure signal, it is closed emergency signal light switch, emergency signal light switch sends emergency signal to vehicle control device, vehicle control device control emergency signal lamp (left steering lamp group, right steering lamp group) glimmer with fixed frequency simultaneously, vehicle-mounted other electric elementss also can be worked simultaneously, now vehicle is in common critical mode of operation.
Normal vehicle operation or while berthing, do not need to vehicle control device input emergency signal switch closure signals, be that emergency signal light switch is in open mode, the left steering lamp group, right steering lamp group that does not now allow emergency signal lamp simultaneously electric with fixed frequency flicker, vehicle is in non-critical mode of operation.
Brief description of the drawings
Fig. 1 is the principle schematic of a kind of typical vehicle emergency signal lamp control system in prior art;
Fig. 2 is the workflow diagram of vehicle emergency signal lamp control system in prior art;
The principle schematic of the vehicle emergency signal lamp control system that Fig. 3 provides for a kind of detailed description of the invention of the present invention;
Wherein, in Fig. 1-Fig. 3:
Storage battery 1 ', key switch 2 ', emergency signal light switch 3 ', the first vehicle control device 41 ', the second vehicle control device 42 ', vehicle body circuit 5 ', left steering lamp group 61 ', right steering lamp group 62 ';
Storage battery 1, key switch 2, emergency signal light switch 3, the first vehicle control device 41, the second vehicle control device 42, vehicle body circuit 5, left steering lamp group 61, right steering lamp group 62, relay 7, insurance 8.
Detailed description of the invention
In order to make those skilled in the art person understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 3, the principle schematic of the vehicle emergency signal lamp control system that Fig. 3 provides for a kind of detailed description of the invention of the present invention.
As shown in Figure 3, the invention provides a kind of vehicle emergency signal lamp control system, comprise power supply, emergency signal light switch 3 and key switch 2, in concrete scheme, power supply can be storage battery 1, described emergency signal light switch 3 forms the first loop with the emergency signal lamp of vehicle, and described key switch 2 forms second servo loop with the electric elements except described signal lamp of vehicle, and described the first loop and described second servo loop are parallel to described power supply.
If when vehicle runs into emergency situation and does not need to use vehicle-mounted other electric elementss, can direct closed emergency signal light switch 3, emergency signal lamp (left steering lamp group, right steering lamp group etc.) glimmers with fixed frequency simultaneously; Because key switch 2 is in open mode, power supply and vehicle body circuit disconnect, and power supply does not need to vehicle-mounted other electric elements power supplies, only need power to emergency signal lamp, now vehicle, in energy-conservation critical mode of operation, can extend the period of service of vehicle power, reduces the probability that car accident occurs; And under this operating mode, only need closed emergency signal light switch 3, and can make vehicle in critical mode of operation, easy and simple to handle.
In preferred scheme, this vehicle emergency signal lamp control system also comprises that vehicle control device, emergency signal lamp can comprise left steering lamp group 61, right steering lamp group 62 etc.; The two ends of key switch 2 are respectively power input, power output end, the two ends of emergency signal light switch 3 are respectively power input, power output end, be appreciated that electric current is all to flow to power output end from power input for described key switch 2, described emergency signal light switch 3; The first electrode of direct supply, the second electrode are respectively in positive pole, negative pole.
The power input of described emergency signal light switch 3, the power input of described key switch 2 are connected in parallel on the first electrode of described direct supply; The power output end of described emergency signal light switch 3 is connected with emergency signal input end, the first electrode input end of described vehicle control device; The second electrode input end of described vehicle control device connects the second electrode of described direct supply; Vehicle body circuit 5 is connected on the close circuit of described key switch 2 and the formation of described direct supply; After closed described emergency signal light switch, described vehicle control device control emergency signal lamp glimmers with fixed frequency simultaneously.
If when vehicle runs into emergency situation and does not need to use vehicle-mounted other electric elementss, can direct closed emergency signal light switch 3, now, direct supply is communicated with the first electrode input end of vehicle control device, direct supply is powered to vehicle control device, meanwhile, emergency signal light switch 3 sends emergency signal to vehicle control device, and vehicle control device control emergency signal lamp (left steering lamp group 61, right steering lamp group 62 etc.) glimmers with fixed frequency simultaneously; Because key switch 2 is in open mode, direct supply and vehicle body circuit 5 disconnect, direct supply does not need to vehicle-mounted other electric elements power supplies, only need power to emergency signal lamp, now vehicle is in energy-conservation critical mode of operation, can extend the period of service of Vehicular direct-current power supply, reduce the probability that car accident occurs; And under this operating mode, only need closed emergency signal light switch 3, and can make vehicle in critical mode of operation, easy and simple to handle.
In preferred version, the power output end of described key switch 2 connects the first electrode input end of described vehicle control device; The key switch signal input part of described vehicle control device connects the close circuit of described key switch 2 and the formation of described direct supply.
Vehicle runs into emergency situation, need to use vehicle-mounted other electric elementss time, as when the misty rain weather Vehicle Driving Cycle, need to turn on emergency signal lamp and warn other road users time, closed key switch 2, car load obtains electric, the electric current of direct supply is powered to vehicle control device and vehicle-mounted other electric elementss through key switch 2, closed emergency signal light switch 3, emergency signal light switch 3 sends emergency signal to vehicle control device, vehicle control device control emergency signal lamp (left steering lamp group 61, right steering lamp group 62 etc.) glimmer with fixed frequency simultaneously, vehicle-mounted other electric elementss also can be worked simultaneously, now vehicle is in common critical mode of operation.
Normal vehicle operation or while berthing, emergency signal light switch 3 is in open mode, the left steering lamp group 61, right steering lamp group 62 that does not now allow emergency signal lamp simultaneously electric with fixed frequency flicker, vehicle is in non-critical mode of operation.
In preferred version, described vehicle body circuit 5 is provided with relay 7, and the normal open switch of this relay 7 arranges on the close circuit of described key switch 2 and the formation of described direct supply.When key switch 2 is closed, car load obtains electric, and the normal open switch closure of relay 7 provides power supply input to vehicle control device, and vehicle control device obtains the signal input of key switch 2.
In preferred version, described emergency signal light switch 3 is double-throw switch, two power inputs of this double-throw switch are all connected with the first electrode of described direct supply, and two power output ends connect respectively emergency signal input end, the first electrode input end connection of described vehicle control device.This scheme adopts double-throw switch, and one time closed procedure can be realized emergency signal input, two functions of vehicle control device Power supply input, simple in structure, convenient.
In concrete scheme, described vehicle control device comprises the first vehicle control device 41 and the second vehicle control device 42, the control signal mouth of the first vehicle control device 41, the second vehicle control device 42 is all connected with described emergency signal lamp (left steering lamp group 61, right steering lamp group 62 etc.), for controlling the mode of operation of emergency signal lamp.
Further in scheme, the emergency signal input end of described the first vehicle control device 41, the power output end that the first electrode input end connects described emergency signal light switch 3, the second electrode input end, key switch 2 signal input parts connect respectively the close circuit that the second electrode of described direct supply, described key switch 2 and described direct supply form; The first electrode input end of described the second vehicle control device 42 is connected to the power output end of described emergency signal light switch 3 and the output of the power supply of described key switch 2, and the second electrode input end connects the second electrode of described direct supply; Between described the first vehicle control device 41 and described the second vehicle control device 42, pass through bus communication.
In preferred scheme, in order to prevent that in circuit, electric current becomes suddenly large, vehicle-mounted various electric elementss are caused damage, on the C/LOOP that can form at key switch 2 and direct supply, be provided with insurance 8.
The present invention also provides a kind of vehicle emergency signal lamp control method, below the method is elaborated.
A kind of vehicle emergency signal lamp control method provided by the invention, according to vehicle mode of operation of living in, controls energising or the power-off of first loop at emergency signal lamp place and the second servo loop at other electric elements places;
When vehicle is during in energy-conservation critical mode of operation, make described the first loop energising, described emergency signal lamp glimmers with fixed frequency, makes described second servo loop power-off, and other electric elementss must not electricity; When vehicle is during in common critical mode of operation, make described the first loop and described second servo loop all switch on, described emergency signal lamp glimmers with fixed frequency, and other electric elementss obtain electric; When vehicle is during in non-critical mode of operation, make described the first loop power-off, described emergency signal lamp does not glimmer, and makes described second servo loop energising, and other electric elementss obtain electric.
Preferably, the power on/off in described the first loop realizes by closing or open emergency signal light switch, and the power on/off of described second servo loop realizes by closing or open described key switch.
This vehicle emergency signal lamp control method, if when vehicle runs into emergency situation and does not need to use vehicle-mounted other electric elementss, can be directly to vehicle control device input emergency signal light switch closure signal, vehicle control device just can be controlled emergency signal lamp (left steering lamp group, right steering lamp group) simultaneously with fixed frequency flicker, and now vehicle is in energy-conservation critical mode of operation; Owing to not needing to input key switch closure signal, be that key switch is in open mode, also be that direct supply and vehicle body circuit disconnect, direct supply does not need to vehicle-mounted other electric elements power supplies, only need power to emergency signal lamp, can extend the period of service of Vehicular direct-current power supply, reduce the probability that car accident occurs; And under this operating mode, only need closed emergency signal light switch, and can make vehicle in critical mode of operation, easy and simple to handle.
Vehicle runs into emergency situation, need to use vehicle-mounted other electric elementss time, as when the misty rain weather Vehicle Driving Cycle, need to turn on emergency signal lamp and warn other road users time, to vehicle control device input key switch closure signal, it is closed key switch, car load obtains electric, the electric current of direct supply is powered to vehicle control device and vehicle-mounted other electric elementss through key switch, again to vehicle control device input emergency signal light switch closure signal, it is closed emergency signal light switch, emergency signal light switch sends emergency signal to vehicle control device, vehicle control device control emergency signal lamp (left steering lamp group, right steering lamp group) glimmer with fixed frequency simultaneously, vehicle-mounted other electric elementss also can be worked simultaneously, now vehicle is in common critical mode of operation.
Normal vehicle operation or while berthing, do not need to vehicle control device input emergency signal switch closure signals, be that emergency signal light switch is in open mode, the left steering lamp group, right steering lamp group that does not now allow emergency signal lamp simultaneously electric with fixed frequency flicker, vehicle is in non-critical mode of operation.
In concrete scheme, the power on/off in described the first loop realizes by closing or open emergency signal light switch, and the power on/off of described second servo loop realizes by closing or open described key switch.
Above a kind of vehicle emergency signal lamp control method provided by the present invention and system are described in detail.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.

Claims (6)

1. a vehicle emergency signal lamp control system, comprise power supply, emergency signal light switch and key switch, it is characterized in that, the emergency signal lamp of described emergency signal light switch and vehicle forms the first loop, the electric elements except described emergency signal lamp of described key switch and vehicle forms second servo loop, and described the first loop and described second servo loop are parallel to described power supply;
Also comprise the vehicle control device being connected with described power supply, the emergency signal input end of described vehicle control device is connected with described emergency signal light switch, and its vehicle body signal input part is connected with described key switch;
In the time that described emergency signal light switch is closed, described vehicle control device receives emergency signal, and controls described emergency signal lamp and glimmer with fixed frequency; In the time that described key switch is closed, described vehicle control device receives other components and parts working signals, and controls other components and parts energisings.
2. vehicle emergency signal lamp control system according to claim 1, is characterized in that, described second servo loop is provided with relay, and the power interface of described vehicle control device is connected with described key switch by the normal open switch of described relay.
3. vehicle emergency signal lamp control system according to claim 1, it is characterized in that, described emergency signal light switch is double-throw switch, two power inputs of described double-throw switch are all connected with described power supply, and two power output end is connected with emergency signal input end and the described power interface of described vehicle control device respectively.
4. according to the vehicle emergency signal lamp control system described in claim 1-3 any one, it is characterized in that, on described second servo loop, be provided with current overload safety.
5. a vehicle emergency signal lamp control method, is characterized in that, according to vehicle mode of operation of living in, controls energising or the power-off of first loop at emergency signal lamp place and the second servo loop at other electric elements places;
When vehicle is during in energy-conservation critical mode of operation, make described the first loop energising, described emergency signal lamp glimmers with fixed frequency, makes described second servo loop power-off, and other electric elementss must not electricity; When vehicle is during in common critical mode of operation, make described the first loop and described second servo loop all switch on, described emergency signal lamp glimmers with fixed frequency, and other electric elementss obtain electric; When vehicle is during in non-critical mode of operation, make described the first loop power-off, described emergency signal lamp does not glimmer, and makes described second servo loop energising, and other electric elementss obtain electric.
6. vehicle emergency signal lamp control method according to claim 5, it is characterized in that, the power on/off in described the first loop realizes by closing or open emergency signal light switch, and the power on/off of described second servo loop realizes by closing or open key switch.
CN201210259777.0A 2012-07-25 2012-07-25 Control method and system of vehicle emergency signal light Active CN102745128B (en)

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CN103692985B (en) * 2013-12-30 2015-08-05 安徽江淮汽车股份有限公司 A kind of auto switching electric system of vehicle
CN111301283B (en) * 2020-03-25 2022-04-29 北京汽车股份有限公司 Vehicle lamp control method, device and system and vehicle

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DE202004004517U1 (en) * 2004-03-13 2004-08-26 Hocker, Fred Emergency signal light for motor vehicle has blinker relay and diode connected to light array with feeds from battery
CN2866249Y (en) * 2005-09-12 2007-02-07 李朝双 Help-seeking lamp for vehicle
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