CN103692965B - Braking automobile lamp circuit system indicating device - Google Patents
Braking automobile lamp circuit system indicating device Download PDFInfo
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- CN103692965B CN103692965B CN201410012783.5A CN201410012783A CN103692965B CN 103692965 B CN103692965 B CN 103692965B CN 201410012783 A CN201410012783 A CN 201410012783A CN 103692965 B CN103692965 B CN 103692965B
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Abstract
The invention relates to a kind of braking automobile lamp circuit system indicating device, its feature comprises: 12V storage battery, stoplight stop lamp major loop, transistor bias circult, direct-current relay control circuit, brake light status indicating circuit; Described stoplight stop lamp major loop is made up of brake control switch SW, stoplight stop lamp SCL, resistance R1, DC relay J open contact J-1; Described transistor bias circult is made up of resistance R2 and DC relay J open contact J-2; Described direct-current relay control circuit is made up of DC relay J normally closed contact J-3, NPN transistor VT1, resistance R3, chemical capacitor C1, resistance R4, DC relay J, silicon rectifier diode D1; Described brake light status indicating circuit is made up of LED and resistance R5.It is breakneck thing that automobile brake lamp breaks down, and the present invention utilizes that structure is simple, the circuit realiration of the reliable operation object prevented trouble before it happens.
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 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, because stoplight stop lamp, taillight fault and the traffic accident caused also get 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, then this type of safety misadventure can greatly reduce.Brake lights failure indicating device is generally installed in external medium and high classes automobile.
In order to solve the security hidden trouble that this exists for many years, braking automobile lamp circuit system indicating device of the present invention, it all uses common discrete electronic component, utilizes that structure is simple, the circuit realiration of the reliable operation object prevented trouble before it happens.
Below describe the correlation technique content that braking automobile lamp circuit system indicating device of the present invention is involved 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 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, because stoplight stop lamp, taillight fault and the traffic accident caused also get 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, then this type of safety misadventure can greatly reduce.Brake lights failure indicating device is generally installed in external medium and high classes automobile.In order to solve the security hidden trouble that this exists for many years, braking automobile lamp circuit system indicating device of the present invention, it all uses common discrete electronic component, utilizes that structure is simple, the circuit realiration of the reliable operation object prevented trouble before it happens.
The principle of work of circuit: when automobile driver steps on brake pedal, BK Brake Switch SW closes, and stoplight stop lamp SCL should light, but now due to the dividing potential drop effect of stoplight stop lamp SCL and resistance R1, stoplight stop lamp SCL is not luminous with normal brightness.On resistance R1, voltage makes chemical capacitor C1 charge, and on chemical capacitor C1, voltage raises very soon, makes NPN transistor VT1 saturation conduction, DC relay J obtains electric work, DC relay J open contact J-1 closes, and the two ends of resistance R1 are shorted, and stoplight stop lamp SCL is luminous with normal brightness;
Whether the effect of DC relay J normally closed contact J-3 is: 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, and DC relay J would not action;
The effect of DC relay J open contact J-2 is: when DC relay J open contact J-1 is closed while, two terminal shortcircuits of resistance R1 and DC relay J normally closed contact J-3 are disconnected, the conducting be biased for maintaining NPN transistor VT1 is provided by resistance R2;
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, illustrate that DC relay J does not have action, 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, brake light status indicating circuit, it is characterized in that:
Stoplight stop lamp major loop: it is made up of brake control switch SW, stoplight stop lamp SCL, resistance R1, DC relay J open contact J-1, the one termination positive source VCC of brake control switch SW, one end of another termination stoplight stop lamp SCL of brake control switch SW and circuit anode VCC1, 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 R1 and DC relay J open contact J-1 break back contact connection circuit ground GND;
Transistor bias circult: it is made up of resistance R2 and DC relay J open contact J-2, the one termination circuit positive pole VCC1 of resistance R2, another termination DC relay J open contact J-2 moving contact of resistance R2, 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 R3, chemical capacitor C1, resistance R4, 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 R3 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 resistance R4 connection circuit positive pole VCC1, the emitter of NPN transistor VT1 connects one end of DC relay J coil and the negative pole of silicon rectifier diode D1, the other end of DC relay J coil and the positive pole connection circuit ground GND of silicon rectifier diode D1,
Brake light status indicating circuit: it is made up of LED and resistance R5, the positive pole of LED connects the emitter of NPN transistor VT1 by resistance R5, 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 brake control switch SW connection circuit positive pole VCC1, 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; The negative pole connection circuit ground GND of 12V storage battery and automobile bond.
Detailed description of the invention
According to the braking automobile lamp circuit system indicating device circuit working schematic diagram shown in accompanying drawing 1 and accompanying drawing explanation, and according to annexation between components and parts in each several part circuit described in summary of the invention, and components and parts technical parameter described in embodiment requires and circuit production main points are carried out enforcement and can be realized the present invention, is further described correlation technique of the present invention below in conjunction with embodiment.
The technical parameter of components and parts and selection thereof
VT1 is NPN transistor, and the model selected is 2SC9013, requires β >=180;
Resistance R2 ~ R5 uses metal film resistor, and power is 1/4W, and the resistance of resistance R2 is 2.2K Ω, and the resistance of resistance R3 is 3.3K Ω, and the resistance of resistance R4 is 12 Ω, and the resistance of resistance R5 is 820 Ω;
The resistance of resistance R1 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, requires that 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 selected 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 the circuit structure of braking automobile lamp circuit system indicating device is fairly simple, comparison is easy, as long as the electronic devices and components performance generally selected is intact, and the components and parts annexation to specifications in accompanying drawing 1 is welded, physical connection line and welding quality are through carefully checking correctly, and circuit of the present invention does not need to carry out any debugging and can normally work;
The emphasis of circuit debugging is: catch the moment that brake control switch SW connects, whether the transient voltage at Quick Measurement resistance R1 two ends is about 0.75V, if low voltage, suitably should strengthen the resistance of resistance R1, if the higher resistance that suitably should reduce resistance R1 of voltage, the resistance of resistance R1 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, brake light status indicating circuit, it is characterized in that:
Described stoplight stop lamp major loop is made up of brake control switch SW, stoplight stop lamp SCL, resistance R1, DC relay J open contact J-1, the one termination positive source VCC of brake control switch SW, one end of another termination stoplight stop lamp SCL of brake control switch SW and circuit anode VCC1, 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 R1 and DC relay J open contact J-1 break back contact connection circuit ground GND;
Described transistor bias circult is made up of resistance R2 and DC relay J open contact J-2, the one termination circuit positive pole VCC1 of resistance R2, another termination DC relay J open contact J-2 moving contact of resistance R2, 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 R3, chemical capacitor C1, resistance R4, 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 R3 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 resistance R4 connection circuit positive pole VCC1, the emitter of NPN transistor VT1 connects one end of DC relay J coil and the negative pole of silicon rectifier diode D1, the other end of DC relay J coil and the positive pole connection circuit ground GND of silicon rectifier diode D1,
Described brake light status indicating circuit is made up of LED and resistance R5, and the positive pole of LED connects the emitter of NPN transistor VT1 by resistance R5, 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 brake control switch SW connection circuit positive pole VCC1, 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 CN103692965A (en) | 2014-04-02 |
| CN103692965B true CN103692965B (en) | 2016-02-03 |
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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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105059189A (en) * | 2015-08-13 | 2015-11-18 | 周芸 | Car turn signal monitor |
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| 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 |
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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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