CN112356769B - Light control circuit of motor vehicle steering lamp - Google Patents
Light control circuit of motor vehicle steering lamp Download PDFInfo
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- CN112356769B CN112356769B CN202011304717.7A CN202011304717A CN112356769B CN 112356769 B CN112356769 B CN 112356769B CN 202011304717 A CN202011304717 A CN 202011304717A CN 112356769 B CN112356769 B CN 112356769B
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- power supply
- storage battery
- steering lamp
- lamp
- control signal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
Abstract
The invention relates to the field of automobile lamplight systems, in particular to a light control circuit of a motor vehicle steering lamp, which comprises a flash relay, a steering lamp control combination switch, a double-flash-lamp switch, a left steering lamp, a right steering lamp and a steering lamp light flicker controller; the flash relay comprises a storage battery power supply positive power supply end BAT, a storage battery power supply positive power supply end IG, a storage battery power supply negative power supply end GND, a left turn light control signal end FL, a right turn light control signal end FR, a double-flash-lamp control signal end EHW, a left turn light power supply end LL and a right turn light power supply end LR; the turn light control combined switch is respectively provided with a first terminal TL, a second terminal TR and a third terminal E, the first terminal TL is connected with a left turn light control signal end FL, and the second terminal TR is connected with a right turn light control signal end FR; one end of the steering lamp light flicker controller is connected to the double-flicker control signal end EHW, and the other end of the steering lamp light flicker controller is connected with the third wiring end E through the double-flicker switch.
Description
Technical Field
The invention relates to the field of automobile lamplight systems, in particular to a motor vehicle steering lamp light control circuit.
Background
In view of the number of traffic accidents in China in recent years, the number of motor vehicle traffic accidents is in a descending trend, but the total number is still large, and the number of dead people is continuously increased and is closely related to the automobile holding amount and the traffic industry development in China in recent years.
According to the statistics of the ministry of public security, the quantity of 24028 ten thousand civil automobiles (including three-wheeled automobiles and 906 ten thousand low-speed trucks) kept in 2019 in the country is increased by 10.5 percent compared with the last year, wherein the quantity of 20730 ten thousand private automobiles is kept and is increased by 10.9 percent. The quantity of the civilian cars is 13451 thousands, which is increased by 10.4%, wherein the quantity of the private cars 12589 thousands, which is increased by 10.3%.
244937 traffic accidents happen nationwide in 2018, and the number of deaths is 63194; the direct property loss is 138455.9 ten thousand yuan, the number of traffic accidents and death caused by automobiles is the highest in view of vehicle types, in 2018, when 166906 of traffic accidents occur in automobiles in China, 46161 of people die, 169046 of people are injured, and the direct property loss is 118671.6 ten thousand yuan.
According to the report of the Japanese economic news, the new sales volume of Mitsubishi cars which are about 500 thousands of cars in China in 2019 and publish the performance in the recent years in the main four major Japanese car enterprises in China is increased by about 4 percent compared with 2018. The data published in toyota showed that the sales in wayside was increased by 9.0% to 162.07 ten thousand in 2019 compared to 2018. The sales volume of the brand of the high-grade vehicle, namely the Lexus, is greatly increased by 25 to about 20 thousands. The number of sales in Honda in Huaxin is increased by 8.5 percent and reaches 155.4 ten thousand, and on the other hand, the number of sales in Huaxin in daily production is about 154.69 ten thousand.
Taking a Toyota as an example, the total annual sales volume reaches 73.75 ten thousand, wherein 357798 cars are sold in only one type of Ka roller, and the 12V flash relay adopted in the Japanese series car including but not limited to the Ka roller is eight pins.
In the clear text regulation of the road traffic safety law enforcement of the people's republic of China: "the fog light and the danger warning flash lamp should be turned on when the motor vehicle runs in foggy days. To remind the passing vehicles of the attention and illuminate the vehicles, thereby avoiding the occurrence of traffic accidents.
When the driver intends to turn the vehicle, the turn lamp is turned on to indicate the surrounding vehicles, and the vehicle is about to turn.
However, when a driver intends to turn in a low visibility environment such as foggy weather, the double flashing lamps and the left and right turn lamps of most motor vehicles use the same lamp set, that is, turning on the double flashing lamps is equivalent to turning on the left and right turn lamps simultaneously, and the left and right lamp sets function when the turn lamps and the double flashing lamps are turned on simultaneously, so that the turn lamps cannot be normally used after the double flashing lamps are turned on, and traffic accidents are easily caused.
Therefore, it is necessary to provide a light control circuit for a turn signal lamp of a motor vehicle, which solves the above problems.
Disclosure of Invention
The present invention overcomes at least one of the above-mentioned drawbacks of the prior art by providing a light control circuit for a turn signal lamp of a motor vehicle in which a dual flash lamp does not operate when the turn signal lamp is turned on after the dual flash lamp is turned on.
In order to solve the technical problems, the technical scheme of the invention is as follows: a light control circuit of a motor vehicle steering lamp comprises a flash relay, a steering lamp control combination switch, a double-flash-lamp switch, a left steering lamp, a right steering lamp and a steering lamp light flash controller;
the flash relay comprises a storage battery power supply positive power supply end BAT, a storage battery power supply positive power supply end IG, a storage battery power supply negative power supply end GND, a left turn light control signal end FL, a right turn light control signal end FR, a double-flash-lamp control signal end EHW, a left turn light power supply end LL and a right turn light power supply end LR;
the turn light control combined switch is respectively provided with a first terminal TL, a second terminal TR and a third terminal E, the first terminal TL is connected with a left turn light control signal end FL, and the second terminal TR is connected with a right turn light control signal end FR;
one end of the steering lamp light flicker controller is connected to the double-flicker control signal end EHW, and the other end of the steering lamp light flicker controller is connected with the third wiring end E through the double-flicker switch;
the left steering lamp is connected with a left steering lamp power supply end LL, and the right steering lamp is connected with a right steering lamp power supply end LR;
further, the turn light flicker controller comprises a normally closed relay, a first diode and a second diode;
a coil is arranged in the normally closed relay, and the anode and the cathode of the normally closed relay are respectively connected with the coil;
the first output end of the normally closed relay is connected to the double-flashing-lamp control signal end EHW, and the second output end of the normally closed relay is connected with the third wiring end E through the double-flashing-lamp switch;
the negative electrode of the first diode is connected with the left turn light control signal end FL, and the positive electrode of the first diode is connected with the negative electrode of the normally closed relay;
and the cathode of the second diode is connected with the control signal end FR of the right steering lamp, and the anode of the second diode is connected with the cathode of the normally closed relay.
Furthermore, the storage battery further comprises a storage battery, the anode of the storage battery is respectively connected with the storage battery power supply anode power supply terminal BAT and the storage battery power supply anode power supply terminal IG, and the cathode of the storage battery is connected with the storage battery power supply cathode power supply terminal GND.
Further, the power supply voltage of the storage battery is 12V.
Furthermore, the device also comprises an ignition switch, wherein one end of the ignition switch is connected with the positive electrode of the storage battery, and the other end of the ignition switch is connected with the positive electrode power supply end IG of the storage battery power supply.
Furthermore, the flash relay is an "81980" eight-pin flash relay, and in practical applications, other types of flash relays may be used, which are within the protection scope of the present invention.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
when a left steering lamp or a right steering lamp is turned on, the interior of a steering lamp control combination switch is switched on, a normally closed relay works at the moment, a contact is disconnected, a double-flashing lamp stops working, and the flashing relay outputs intermittent current to be supplied to a left steering lamp power supply end LL or a right steering lamp power supply end LR when a storage battery power supply positive electrode power supply end BAT, a storage battery power supply positive electrode power supply end IG and a storage battery power supply negative electrode power supply end GND are normally powered, so that the left steering lamp or the right steering lamp emits flashing light, and the steering reminding effect is achieved for a rear vehicle in foggy rain.
Drawings
Fig. 1 is a schematic structural diagram of a light control circuit of a motor vehicle turn signal lamp in the invention.
In the figure, 1 is a flash relay, 2 is a steering lamp control combined switch, 3 is a double-flash switch, 4 is a left steering lamp, 5 is a right steering lamp, 6 is a steering lamp light flashing controller, 7 is a normally closed relay, 8 is a first diode, 9 is a second diode, 10 is a coil, 11 is a storage battery, and 12 is an ignition switch.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1, a light control circuit of a motor vehicle steering lamp comprises a flash relay 1, a steering lamp control combination switch 2, a double-flash switch 3, a left steering lamp 4, a right steering lamp 5 and a steering lamp light flicker controller 6; the flash relay 1 comprises a storage battery power supply positive power supply end BAT, a storage battery power supply positive power supply end IG, a storage battery power supply negative power supply end GND, a left turn light control signal end FL, a right turn light control signal end FR, a double-flash-lamp control signal end EHW, a left turn light power supply end LL and a right turn light power supply end LR; the turn light control combined switch is respectively provided with a first terminal TL, a second terminal TR and a third terminal E, the first terminal TL is connected with a left turn light control signal end FL, and the second terminal TR is connected with a right turn light control signal end FR; one end of the steering lamp light flicker controller is connected with the double-flicker control signal end EHW, and the other end of the steering lamp light flicker controller is connected with the third wiring end E through the double-flicker switch; the left steering lamp is connected with a left steering lamp power supply end LL, and the right steering lamp is connected with a right steering lamp power supply end LR;
in the invention, the turn light flicker controller 6 comprises a normally closed relay 7, a first diode 8 and a second diode 9; a coil 10 is arranged in the normally closed relay 7, and the positive pole and the negative pole of the normally closed relay 7 are respectively connected with the coil 10; a first output end of the normally closed relay 7 is connected to the double-flashing-lamp control signal end EHW, and a second output end of the normally closed relay 7 is connected with a third wiring end E through a double-flashing-lamp switch; the negative electrode of the first diode is connected with the left turn light control signal end FL, and the positive electrode of the first diode is connected with the negative electrode of the normally closed relay; the negative pole of the second diode is connected with the control signal end FR of the right steering lamp, and the positive pole of the second diode is connected with the negative pole of the normally closed relay.
Besides, the storage battery comprises a storage battery 11, wherein the anode of the storage battery 11 is respectively connected with a storage battery power supply anode power supply terminal BAT and a storage battery power supply anode power supply terminal IG, the cathode of the storage battery 11 is connected with a storage battery power supply cathode power supply terminal GND, the power supply voltage of the storage battery is 12V, the storage battery further comprises an ignition switch 12, one end of the ignition switch 12 is connected with the anode of the storage battery 11, the other end of the ignition switch is connected with the storage battery power supply anode power supply terminal IG, the flash relay is an '81980' eight-pin flash relay, and in practical application, other types of flash relays can be adopted and are within the protection range of the storage battery.
Examples
In the invention, the flash relay has 8 ports in total, namely a storage battery power supply positive electrode power supply terminal BAT, a storage battery power supply positive electrode power supply terminal IG, a storage battery power supply negative electrode power supply terminal GND, a left turn light control signal terminal FL, a right turn light control signal terminal FR, a double-flash-lamp control signal terminal EHW, a left turn light power supply terminal LL and a right turn light power supply terminal LR, and controls intermittent current to supply to left and right turn lights when in work, so that the left and right turn lights flash, thereby playing a role in reminding a rear vehicle.
In the application process, the storage battery provides 12V direct current voltage for the flash relay, the working condition of the double-flash lamp depends ON the state of the ignition switch, particularly OFF gear, namely the constant-current state of the motor vehicle, so the normal power supply of the positive electrode power supply terminal BAT of the storage battery power supply ensures that the double-flash lamp can normally work, in addition, the storage battery provides 12V direct current voltage for the flash relay after passing through the ignition switch, the premise is that the positive electrode power supply terminal BAT of the storage battery power supply normally supplies power for the flash relay, and the working condition of the left and right steering lamps is ON gear, namely the closed state of the ignition switch of the motor vehicle, so the normal power supply of the positive electrode power supply terminal IG of the storage battery power supply ensures that the left and right steering lamps can normally work.
When only the left turn light is turned on, namely E-LH-TL is switched on inside the turn light control combined switch, a left turn light control signal end FL of the flash relay receives a 0V low-potential signal from a first terminal TL of the turn light control combined switch, the flash relay outputs discontinuous current to be supplied to a left turn light supply end LL when the positive electrode power supply end BAT of the storage battery power supply, the positive electrode power supply end IG of the storage battery power supply and the negative electrode power supply end GND of the storage battery power supply are normally powered, so that the left turn light emits flickering light, and when only the right turn light is turned on, E-RH-TR is switched on inside the turn light control combined switch, a right turn light control signal end FR of the flash relay receives a 0V low-potential signal from a second terminal TR of the turn light control combined switch, and the flash relay receives a 0V low-potential signal from the positive electrode power supply end BAT of the storage battery power supply and the positive electrode power supply end IG of the storage battery power supply, and the right turn light control combined switch is switched on, When battery power supply negative pole supply terminal GND normally supplies power, output discontinuous current and supply right indicator light supply terminal LR, make right indicator light send scintillation, and the process of only opening double flashing lamp, it is the closure of double flashing lamp switch promptly, flash relay receives two flashing lamp control signal end EHW's 2 ends of double flashing lamp switch in proper order, 1 end, normally closed relay 87 end, the 0V's of 30 ends low potential signal, flash relay is when battery power supply positive supply terminal BAT normally supplies power, output discontinuous current and supply left indicator light supply terminal LL and right indicator light supply terminal LR end, make left indicator light and right indicator light send scintillation, two flashing lamps normally work promptly.
Wherein, the 85 end, the 86 end, the 30 end, the 87 end and the related circuits, the 85 end and the 86 end are respectively the anode and the cathode of the relay control end, the 30 end and the 87 end are the relay output ends, when the 85 end and the 86 end are electrified to generate magnetism, the contacts of the 30 end and the 87 end are disconnected, thereby achieving the working state of the normally closed relay, the first diode, the second diode and the related circuits, the first diode and the second diode are used for refitting the circuit of the motor vehicle turn signal lamp with higher light-on priority level than the double-flash lamp and preventing the turn lamps on at two sides from being simultaneously lightened when any turn lamp is turned on, namely blocking the circuit connection of the 4 end of the flash relay (namely the left turn lamp control signal end FL), the 86 end of the normally closed relay and the 5 end of the flash relay (namely the right turn lamp control signal end FR), and enabling the 86 end of the normally closed relay to be connected with the 1 end (namely the first terminal TL) and the 2 end (namely the second terminal TR) of the turn lamp control combination switch, because the 4 ends (namely the left turn light control signal end FL) and the 5 ends (namely the right turn light control signal end FR) of the flash relay are respectively conducted with the circuits between the 1 end (namely the first terminal TL) and the 2 end (namely the second terminal TR) of the turn light control combined switch, when the left turn light or the right turn light is turned on, the 85 end of the normally closed relay is electrically connected with IG, the 86 end is connected with the 1 end or the 2 end of the turn light control combined switch through the first diode or the second diode, namely the first terminal TL or the second terminal TR is connected, a 0V low-potential signal is obtained, the normally closed relay works, the contact is disconnected, and the double-flash light stops working.
When the normal power supply of the 1 end (namely the battery power supply anode power supply end BAT), the 2 end (namely the battery power supply anode power supply end IG) and the 3 end (namely the battery power supply cathode power supply end GND) of the flash relay is ensured, the 4 end (namely the left turn light control signal end FL), the 5 end (namely the right turn light control signal end FR) and the 6 end (double-flash light control signal end EHW) of the flash relay 1 receive the LH and RH from the turn light control combination switch and the closed OV low potential signal of the double-flash light switch, the power supply of the left turn light and the right turn light of the 7 end (namely the left turn light power supply end LL) and the 8 end (namely the right turn light power supply end LR) is controlled, so that the left turn light and the right turn light emit flickering light, the double-flash light switch in the relevant line of the end (double-flash light control signal end EHW) of the flash relay is connected with the 30 end and the 87 end (output end) of the normally closed relay in series, the 85 end (the anode of the relay) is the battery power supply end IG of the battery power supply, normally closed relay 86 end (the negative pole of control end) is parallelly connected through first diode and second diode and 1 end (first terminal TL) and 2 end (second terminal TR) of indicator control combination switch respectively, after turning on left indicator or right indicator, 1 end (first terminal TL) or 2 end (second terminal TR) and 3 end (third terminal E) of indicator control combination switch on to make normally closed relay 86 end (the negative pole of control end) and 3 end (third terminal E) of indicator control combination switch connect and switch on, normally closed relay work, double flashing light switch loses the effect to flash relay, double flashing light stop work.
In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (5)
1. A light control circuit of a motor vehicle steering lamp comprises a flash relay, a steering lamp control combination switch, a double-flash-lamp switch, a left steering lamp and a right steering lamp, and is characterized by further comprising a steering lamp light flash controller;
the flash relay comprises a storage battery power supply positive power supply end BAT, a storage battery power supply positive power supply end IG, a storage battery power supply negative power supply end GND, a left turn light control signal end FL, a right turn light control signal end FR, a double-flash-lamp control signal end EHW, a left turn light power supply end LL and a right turn light power supply end LR;
the turn light control combined switch is respectively provided with a first terminal TL, a second terminal TR and a third terminal E, the first terminal TL is connected with a left turn light control signal end FL, and the second terminal TR is connected with a right turn light control signal end FR;
one end of the steering lamp light flicker controller is connected to the double-flicker control signal end EHW, and the other end of the steering lamp light flicker controller is connected with the third wiring end E through the double-flicker switch;
the left steering lamp is connected with a left steering lamp power supply end LL, and the right steering lamp is connected with a right steering lamp power supply end LR;
the turn light flicker controller comprises a normally closed relay, a first diode and a second diode;
a coil is arranged in the normally closed relay, and the anode and the cathode of the normally closed relay are respectively connected with the coil; the first output end of the normally closed relay is connected to the double-flashing-lamp control signal end EHW, and the second output end of the normally closed relay is connected with the third wiring end E through the double-flashing-lamp switch;
the negative electrode of the first diode is connected with the left turn light control signal end FL, and the positive electrode of the first diode is connected with the negative electrode of the normally closed relay;
and the cathode of the second diode is connected with the control signal end FR of the right steering lamp, and the anode of the second diode is connected with the cathode of the normally closed relay.
2. The light control circuit of the turn signal lamp of the motor vehicle as claimed in claim 1, further comprising a storage battery, wherein the positive electrode of the storage battery is connected to the positive supply terminal BAT of the storage battery power supply and the positive supply terminal IG of the storage battery power supply respectively, and the negative electrode of the storage battery is connected to the negative supply terminal GND of the storage battery power supply.
3. The light control circuit for a turn signal lamp of a motor vehicle as claimed in claim 2, wherein the voltage of the power supply of the battery is 12V.
4. The light control circuit of the motor vehicle steering lamp according to claim 3, further comprising an ignition switch, wherein one end of the ignition switch is connected with the positive electrode of the storage battery, and the other end of the ignition switch is connected with the positive electrode power supply end IG of the storage battery power supply.
5. The motor vehicle turn signal light control circuit of claim 1, wherein the flash relay is an "81980" eight pin flash relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011304717.7A CN112356769B (en) | 2020-11-19 | 2020-11-19 | Light control circuit of motor vehicle steering lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011304717.7A CN112356769B (en) | 2020-11-19 | 2020-11-19 | Light control circuit of motor vehicle steering lamp |
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| Publication Number | Publication Date |
|---|---|
| CN112356769A CN112356769A (en) | 2021-02-12 |
| CN112356769B true CN112356769B (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011304717.7A Active CN112356769B (en) | 2020-11-19 | 2020-11-19 | Light control circuit of motor vehicle steering lamp |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203283103U (en) * | 2013-05-24 | 2013-11-13 | 易奇亮 | Automobile signal lamp steering priority controller |
| CN203438931U (en) * | 2013-07-26 | 2014-02-19 | 湖南吉利汽车部件有限公司 | Control circuit for safety warning light |
| US9643533B1 (en) * | 2015-11-25 | 2017-05-09 | Max Houss | Signal U-turn |
| CN107696962B (en) * | 2017-10-18 | 2020-11-03 | 沙洲职业工学院 | Automobile emergency steering signal lamp control system |
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