CN103692965A - Indicating device of automobile stop lamp circuit system - Google Patents
Indicating device of automobile stop lamp circuit system Download PDFInfo
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- CN103692965A CN103692965A CN201410012783.5A CN201410012783A CN103692965A CN 103692965 A CN103692965 A CN 103692965A CN 201410012783 A CN201410012783 A CN 201410012783A CN 103692965 A CN103692965 A CN 103692965A
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Abstract
The invention relates to an indicating device of an automobile stop lamp circuit system. The indicating device is characterized by comprising a 12V storage battery, a stop lamp main loop, a transistor biasing circuit, a direct current relay control circuit and a stop lamp state indicating circuit, wherein the stop lamp main loop consists of a stop control witch SW, a stop lamp SCL, a resistor R1 and a normally opened contact J-1 of a direct current relay J; the transistor biasing circuit consists of a resistor R2 and an normally opened contact J-2 of the direct current relay J; the direct current relay control circuit consists of an normally closed contact J3 of the direct current relay J, an NPN type transistor VT1, a resistor R3, an electrolysis capacitor C1, a resistor R4, a direct current relay J and a silicon rectifier diode D1; the stop lamp state indicating circuit consists of a light emitting diode LED and a resistor R5. Failure of an automobile stop lamp is very dangerous; by the utilization of the circuit which is simple in structure and works reliably, the indicating device fulfills the aim of nip in the bud.
Description
Technical field
The invention belongs to technical field of automotive electronics, is about a kind of braking automobile lamp circuit system indicating device.
Background technology
It is a kind of thing of danger close that automobile brake lamp breaks down, the serious accident of the serious vehicle car crash of knocking into the back causing.Along with developing rapidly of China's communications and transportation cause, the speed of a motor vehicle is also more and more higher, and the traffic accident causing because of stoplight stop lamp, taillight fault also gets more and more.Because stoplight stop lamp is all installed on automobile tail, after stoplight stop lamp breaks down, often chaufeur oneself is not known yet, if having brake lights failure indicating device at inside of automotive, this type of safety misadventure can greatly reduce.In external medium and high classes automobile, brake lights failure indicating device has generally been installed.
The security hidden trouble existing for many years in order to solve this, braking automobile lamp circuit system indicating device of the present invention, it all uses common discrete electronic component, utilizes circuit simple in structure, reliable operation to realize the object preventing trouble before it happens.
Below describe braking automobile lamp circuit system indicating device of the present invention related correlation technique content in implementation process in detail.
Summary of the invention
Goal of the invention and beneficial effect: it is a kind of thing of danger close that automobile brake lamp breaks down, the serious accident of the serious vehicle car crash of knocking into the back causing.Along with developing rapidly of China's communications and transportation cause, the speed of a motor vehicle is also more and more higher, and the traffic accident causing because of stoplight stop lamp, taillight fault also gets more and more.Because stoplight stop lamp is all installed on automobile tail, after stoplight stop lamp breaks down, often chaufeur oneself is not known yet, if having brake lights failure indicating device at inside of automotive, this type of safety misadventure can greatly reduce.In external medium and high classes automobile, brake lights failure indicating device has generally been installed.The security hidden trouble existing for many years in order to solve this, braking automobile lamp circuit system indicating device of the present invention, it all uses common discrete electronic component, utilizes circuit simple in structure, reliable operation to realize the object preventing trouble before it happens.
The principle of work of circuit: when automobile driver is stepped on brake pedal, BK Brake Switch SW is closed, and stoplight stop lamp SCL should light, but now due to the dividing potential drop effect of stoplight stop lamp SCL and resistance R 1, stoplight stop lamp SCL is not luminous with normal brightness.In resistance R 1, voltage makes chemical capacitor C1 charging, and the upper voltage of chemical capacitor C1 raises very soon, makes NPN transistor VT1 saturation conduction, DC relay J obtains electric work, DC relay J open contact J-1 is closed, makes the two ends of resistance R 1 by short circuit, and stoplight stop lamp SCL is luminous with normal brightness;
The effect of DC relay J normally closed contact J-3 is: whether detect stoplight stop lamp SCL and damage, if stoplight stop lamp SCL damages, just do not have electric current to make NPN transistor VT1 conducting, DC relay J just can not move;
The effect of DC relay J open contact J-2 is: in the time of DC relay J open contact J-1 closure, two terminal shortcircuits and the DC relay J normally closed contact J-3 of resistance R 1 are disconnected, by resistance R 2, provide biasing for maintaining the conducting of NPN transistor VT1;
LED is that chaufeur monitors the indicator lamp whether stoplight stop lamp SCL normally works.If LED is lighted, illustrate that stoplight stop lamp SCL is working properly.If LED does not work, not action of DC relay J is described, illustrate that stoplight stop lamp SCL has damaged or brake light circuit system exists fault.
Technical scheme: braking automobile lamp circuit system indicating device, it comprises 12V storage battery, stoplight stop lamp major loop, transistor bias circult, direct-current relay control circuit, stoplight stop lamp condition indication circuit, it is characterized in that:
Stoplight stop lamp major loop: it is comprised of brake control switch SW, stoplight stop lamp SCL, resistance R 1, DC relay J open contact J-1, a termination positive source VCC of brake control switch SW, one end and the circuit anode VCC1 of another termination stoplight stop lamp SCL of brake control switch SW, one end of the other end connecting resistance R1 of stoplight stop lamp SCL and DC relay J open contact J-1 moving contact, the other end of resistance R 1 and DC relay J open contact J-1 break back contact connection circuit ground GND;
Transistor bias circult: it is comprised of resistance R 2 and DC relay J open contact J-2, the anodal VCC1 of one termination circuit of resistance R 2, another termination DC relay J open contact J-2 moving contact of resistance R 2, DC relay J open contact J-2 break back contact connects the base stage of NPN transistor VT1;
Direct-current relay control circuit: it is by DC relay J normally closed contact J-3, NPN transistor VT1, resistance R 3, chemical capacitor C1, resistance R 4, DC relay J, silicon rectifier diode D1 forms, the base stage of NPN transistor VT1 connects one end of DC relay J normally closed contact J-3 break back contact and resistance R 3 and the positive pole of chemical capacitor C1, DC relay J normally closed contact J-3 moving contact connects DC relay J open contact J-1 moving contact, the collecting electrode of NPN transistor VT1 is by the anodal VCC1 of resistance R 4 connection circuits, the emitter of NPN transistor VT1 connects one end of DC relay J coil and the negative pole of silicon rectifier diode D1, the anodal connection circuit ground GND of the other end of DC relay J coil and silicon rectifier diode D1,
Stoplight stop lamp condition indication circuit: it is comprised of LED and resistance R 5, the positive pole of LED connects the emitter of NPN transistor VT1 by resistance R 5, the negative pole connection circuit ground GND of LED;
The positive pole of 12V storage battery is connected with positive source VCC, and positive source VCC is by the anodal VCC1 of brake control switch SW connection circuit, and the negative pole of 12V storage battery is connected with circuit ground GND.
Accompanying drawing explanation
Accompanying drawing 1 is the embodiment circuit working schematic diagram that the invention provides a braking automobile lamp circuit system indicating device; Negative pole connection circuit ground GND and the automobile bond of 12V storage battery.
The specific embodiment
According to braking automobile lamp circuit system indicating device circuit working schematic diagram and the accompanying drawing explanation shown in accompanying drawing 1, and according to annexation between components and parts in the each several part circuit described in summary of the invention, and the components and parts technical parameter described in embodiment requires and circuit production main points are implemented to realize the present invention, below in conjunction with embodiment, correlation technique of the present invention is further described.
The technical parameter of components and parts and selection thereof
VT1 is NPN transistor, and the model of selecting is 2SC9013, requires β >=180;
The resistance of resistance R 1 is 1.2～1.8 Ω, selects metal film resistor, and power is 3W;
C1 is chemical capacitor, and its capacity is 33 μ F/25V;
LED is light-emitting diode, selects diameter ￠ 5mm red light emitting diodes;
The model that DC relay J selects is JQX-13F-12V, and requiring power stage contact is 3 groups, two groups of open contact J-1 and open contact J-2, one group of normally closed contact J-3;
D1 is silicon rectifier diode, and the model of selecting is 1N4001;
SW is brake control switch, uses the brake control switch in automobile;
Stoplight stop lamp SCL is original stoplight stop lamp in automobile.
Circuit production main points and circuit debugging
Because of the circuit structure of braking automobile lamp circuit system indicating device fairly simple, comparison is easy, as long as the electronic devices and components performance of generally selecting is intact, and the components and parts annexation in accompanying drawing 1 is welded to specifications, physical connection line and welding quality are after careful inspection is correct, and circuit of the present invention does not need to carry out any debugging and can normally work;
The emphasis of circuit debugging is: the moment of catching brake control switch SW to connect, whether the transient voltage at Quick Measurement resistance R 1 two ends is 0.75V left and right, if low voltage, should suitably strengthen the resistance of resistance R 1, if the higher resistance that should suitably reduce resistance R 1 of voltage, the resistance of resistance R 1 depends primarily on the effect horse power of stoplight stop lamp SCL.
Claims (1)
1. a braking automobile lamp circuit system indicating device, it comprises 12V storage battery, stoplight stop lamp major loop, transistor bias circult, direct-current relay control circuit, stoplight stop lamp condition indication circuit, it is characterized in that:
Described stoplight stop lamp major loop is comprised of brake control switch SW, stoplight stop lamp SCL, resistance R 1, DC relay J open contact J-1, a termination positive source VCC of brake control switch SW, one end and the circuit anode VCC1 of another termination stoplight stop lamp SCL of brake control switch SW, one end of the other end connecting resistance R1 of stoplight stop lamp SCL and DC relay J open contact J-1 moving contact, the other end of resistance R 1 and DC relay J open contact J-1 break back contact connection circuit ground GND;
Described transistor bias circult is comprised of resistance R 2 and DC relay J open contact J-2, the anodal VCC1 of one termination circuit of resistance R 2, another termination DC relay J open contact J-2 moving contact of resistance R 2, DC relay J open contact J-2 break back contact connects the base stage of NPN transistor VT1;
Described direct-current relay control circuit is by DC relay J normally closed contact J-3, NPN transistor VT1, resistance R 3, chemical capacitor C1, resistance R 4, DC relay J, silicon rectifier diode D1 forms, the base stage of NPN transistor VT1 connects one end of DC relay J normally closed contact J-3 break back contact and resistance R 3 and the positive pole of chemical capacitor C1, DC relay J normally closed contact J-3 moving contact connects DC relay J open contact J-1 moving contact, the collecting electrode of NPN transistor VT1 is by the anodal VCC1 of resistance R 4 connection circuits, the emitter of NPN transistor VT1 connects one end of DC relay J coil and the negative pole of silicon rectifier diode D1, the anodal connection circuit ground GND of the other end of DC relay J coil and silicon rectifier diode D1,
Described stoplight stop lamp condition indication circuit is comprised of LED and resistance R 5, and the positive pole of LED connects the emitter of NPN transistor VT1 by resistance R 5, the negative pole connection circuit ground GND of LED;
The positive pole of described 12V storage battery is connected with positive source VCC, and positive source VCC is by the anodal VCC1 of brake control switch SW connection circuit, and the negative pole of 12V storage battery is connected with circuit ground GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410012783.5A CN103692965B (en) | 2014-01-10 | 2014-01-10 | Braking automobile lamp circuit system indicating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410012783.5A CN103692965B (en) | 2014-01-10 | 2014-01-10 | Braking automobile lamp circuit system indicating device |
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| Publication Number | Publication Date |
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| CN103692965A true CN103692965A (en) | 2014-04-02 |
| CN103692965B CN103692965B (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410012783.5A Active CN103692965B (en) | 2014-01-10 | 2014-01-10 | Braking automobile lamp circuit system indicating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059189A (en) * | 2015-08-13 | 2015-11-18 | 周芸 | Car turn signal monitor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2544695A1 (en) * | 1975-02-24 | 1976-09-02 | Univ Dresden Tech | Brake regulator for motor vehicles - has brake light switch connected to automatic brake pressure limiting valve |
| CN201021194Y (en) * | 2007-02-08 | 2008-02-13 | 曾萌 | Motor vehicle braking lamp flash control device |
| CN102176803A (en) * | 2011-02-28 | 2011-09-07 | 朱虹 | Stop lamp delayed lights-out control device for battery car |
| CN203876651U (en) * | 2014-01-10 | 2014-10-15 | 黄月华 | Indicating device of automobile stop lamp circuit system |
-
2014
- 2014-01-10 CN CN201410012783.5A patent/CN103692965B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2544695A1 (en) * | 1975-02-24 | 1976-09-02 | Univ Dresden Tech | Brake regulator for motor vehicles - has brake light switch connected to automatic brake pressure limiting valve |
| CN201021194Y (en) * | 2007-02-08 | 2008-02-13 | 曾萌 | Motor vehicle braking lamp flash control device |
| CN102176803A (en) * | 2011-02-28 | 2011-09-07 | 朱虹 | Stop lamp delayed lights-out control device for battery car |
| CN203876651U (en) * | 2014-01-10 | 2014-10-15 | 黄月华 | Indicating device of automobile stop lamp circuit system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059189A (en) * | 2015-08-13 | 2015-11-18 | 周芸 | Car turn signal monitor |
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| CN103692965B (en) | 2016-02-03 |
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Effective date of registration: 20181127 Address after: 233300 Second Business and Residence Building of Huaihe Road Riza Company, Wuhe County, Bengbu City, Anhui Province Patentee after: BENGBU ZHIDA TECHNOLOGY CONSULTING CO., LTD. Address before: 233000 No. 146 Fengyong Street, Bengbu Economic Development Zone, Anhui Province (South Head of Huangshan Chazhuang) Patentee before: Huang Yuehua |
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Effective date of registration: 20211008 Address after: 251199 Mingjia Middle Road, Qihe Economic Development Zone, De Zhou City, Shandong Province Patentee after: SHANDONG JUWEI AUTOMOBILE MFG Co.,Ltd. Address before: 233300 Bengbu, Wuhe County, Anhui Province, Huaihe Road, Japan, commercial and residential building second East. Patentee before: BENGBU ZHIDA TECHNOLOGY CONSULTING Co.,Ltd. |
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