CN206775120U - The circuit system that a kind of anti-electric current applied in vehicle switch assembly is struck back - Google Patents
The circuit system that a kind of anti-electric current applied in vehicle switch assembly is struck back Download PDFInfo
- Publication number
- CN206775120U CN206775120U CN201720572155.1U CN201720572155U CN206775120U CN 206775120 U CN206775120 U CN 206775120U CN 201720572155 U CN201720572155 U CN 201720572155U CN 206775120 U CN206775120 U CN 206775120U
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- CN
- China
- Prior art keywords
- electromagnetic relay
- control chip
- electric capacity
- switch assembly
- vehicle switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses the circuit system that a kind of anti-electric current applied in vehicle switch assembly is struck back,It is related to wire harness vehicle switch field,Including control chip,No. 1 pin of the control chip connects electromagnetic relay one by electromagnetic relay two,The electromagnetic relay two is also grounded by voltage-regulator diode,No. 1 pin of control chip connects electromagnetic relay one by electromagnetic relay two,No. 3 pins ground connection of control chip,No. 3 pins are also connected by the electric capacity one and electric capacity two that are arranged in parallel with electromagnetic relay two,No. 5 pins connection electromagnetic relay three of control chip,Number pin of control chip connects electromagnetic relay three by resistance one,Electromagnetic relay 37 is also grounded by the electric capacity three and electric capacity four that are arranged in parallel,By to adding the utility model unique circuit in traditional wire harness vehicle switch assembly circuit board,When switch contacts are added in EMC systems,By the numerical value for adjusting potentiometer,Play a part of preventing current reversal from causing EMC system injuries.
Description
Technical field
The utility model is related to automotive wire bundle field of switches, more particularly to it is a kind of apply it is anti-electric in vehicle switch assembly
Flow the circuit system of counterattack.
Background technology
Automotive wire bundle is the network principal of automobile circuit, and automobile circuit just also is not present without wire harness.Wire harness refers to by copper
After the contact terminal (connector) that material punching forms crimps with electric wire, outside plastic compression insulator or added metal housing again
Deng, tied up with wire harness to be formed connection circuit component.Wire harness industrial chain includes electric wire, connector, process equipment, wire harness system
Make widely, can be used in automobile, household electrical appliance, computer and communication apparatus, various electricity with downstream application industry, wire harness application
Sub- instrument and meter etc., body harness connect whole vehicle body, and general shape is H-shaped.Switch assembly based on wire harness is particularly
In angle valve, in product both domestic and external when interface access current value it is excessive, EMC systems can be caused damage.
Utility model content
It is anti-that technical problem to be solved in the utility model is to provide a kind of anti-electric current applied in vehicle switch assembly
The circuit system hit, to solve caused above-mentioned multinomial defect in the prior art.
To achieve the above object, the utility model provides following technical scheme：One kind is applied in vehicle switch assembly
The counterattack of anti-electric current circuit system, including control chip, No. 1 pin of the control chip connected by electromagnetic relay two
Electromagnetic relay one, the electromagnetic relay two are also grounded by voltage-regulator diode, No. 1 pin of control chip by electromagnetism after
Electrical equipment two connects electromagnetic relay one, No. 3 pins ground connection of control chip, electric capacity one He of No. 3 pins also by being arranged in parallel
Electric capacity two is connected with electromagnetic relay two, and No. 5 pins connection electromagnetic relay three of control chip, a number pin for control chip leads to
Cross resistance one and connect electromagnetic relay three, electromagnetic relay three is also grounded by the electric capacity three and electric capacity four that are arranged in parallel.
Preferably, the electric capacity one and electric capacity three are 4.7uF.
Preferably, the electric capacity two and electric capacity four are 0.1uF.
Preferably, the resistance one is 4.7K Ω.
Preferably, in addition to respectively the electromagnetic relay four and electromagnetic relay five being grounded.
Preferably, the control chip is TITPS7A6150QKTTRQ1 or TPS7A6050QKVUQI.
Beneficial effect using above technical scheme is：By to being added in traditional wire harness vehicle switch assembly circuit board
The utility model unique circuit, when switch contacts are added in EMC systems, by adjusting the numerical value of potentiometer, playing prevents electricity
Stream reversion causes the effect of EMC system injuries.
Brief description of the drawings
Fig. 1 is circuit structure diagram of the present utility model.
Wherein, 1- control chips, 2- electromagnetic relays two, 3- electromagnetic relays one, 4- voltage-regulator diodes, 5- electric capacity one,
6- electric capacity two, 7- electromagnetic relays three, 8- resistance one, 9- electric capacity three, 10- electric capacity four, 11- electromagnetic relays 12,12- heat are received
The draw.
Embodiment
Describe the utility model in detail below in conjunction with the accompanying drawings and apply the circuit that the anti-electric current in vehicle switch assembly is struck back
The preferred embodiment of system.
Fig. 1 shows the specific implementation for the circuit system that the utility model applies the anti-electric current in vehicle switch assembly to strike back
Mode：The circuit system that a kind of anti-electric current applied in vehicle switch assembly is struck back, including control chip 1, the control core
No. 1 pin of piece 1 connects electromagnetic relay 1 by electromagnetic relay 22, and the electromagnetic relay 22 also passes through voltage stabilizing two
Pole pipe 4 is grounded, and No. 1 pin of control chip 1 connects electromagnetic relay 1 by electromagnetic relay 22, No. 3 of control chip 1
Pin is grounded, and No. 3 pins are also connected by the electric capacity 1 and electric capacity 26 that are arranged in parallel with electromagnetic relay 22, control chip 1
No. 5 pins connection electromagnetic relay 37, No. 2 pins of control chip pass through resistance 1 and connect electromagnetic relay 37, electromagnetism
Relay 37 is also grounded by the electric capacity 39 and electric capacity 4 10 that are arranged in parallel.
In the present embodiment, the electric capacity 1 and electric capacity 39 are 4.7uF.
In the present embodiment, the electric capacity 26 and electric capacity 4 10 are 0.1uF.
In the present embodiment, the resistance 1 is 4.7K Ω.
In the present embodiment, in addition to respectively the electromagnetic relay 4 11 and electromagnetic relay 5 12 being grounded.
In the present embodiment, the control chip 1 is TITPS7A6150QKTTRQ1 or TPS7A6050QKVUQI.
Based on above-mentioned, the utility model structure apply the circuit system that the anti-electric current in vehicle switch assembly is struck back with it is existing
There is technology to compare to have the beneficial effect that：By to adding the utility model distinct electrical in traditional wire harness vehicle switch assembly circuit board
Road, when switch contacts are added in EMC systems, by adjusting the numerical value of potentiometer, playing prevents current reversal from causing EMC systems
The effect of damage.
Above-described is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (6)
- A kind of 1. circuit system that anti-electric current applied in vehicle switch assembly is struck back, it is characterised in that：Including control chip (1), No. 1 pin of the control chip (1) by electromagnetic relay two (2) connect electromagnetic relay one (3), the electromagnetism after Electrical equipment two (2) is also grounded by voltage-regulator diode (4), and No. 1 pin of control chip (1) is connected by electromagnetic relay two (2) Electromagnetic relay one (3), No. 3 pins ground connection of control chip (1), electric capacity one (5) and electricity of No. 3 pins also by being arranged in parallel Hold two (6) to be connected with electromagnetic relay two (2), No. 5 pins connection electromagnetic relay three (7) of control chip (1), control chip No. 2 pins pass through resistance one (8) connect electromagnetic relay three (7), electric capacity of the electromagnetic relay three (7) also by being arranged in parallel Three (9) and electric capacity four (10) ground connection.
- 2. the circuit system that a kind of anti-electric current applied in vehicle switch assembly according to claim 1 is struck back, it is special Sign is that the electric capacity one (5) and electric capacity three (9) are 4.7uF.
- 3. the circuit system that a kind of anti-electric current applied in vehicle switch assembly according to claim 1 is struck back, it is special Sign is that the electric capacity two (6) and electric capacity four (10) are 0.1uF.
- 4. the circuit system that a kind of anti-electric current applied in vehicle switch assembly according to claim 1 is struck back, it is special Sign is that the resistance one (8) is 4.7K Ω.
- 5. the circuit system that a kind of anti-electric current applied in vehicle switch assembly according to claim 1 is struck back, it is special Sign is, in addition to the electromagnetic relay four (11) and electromagnetic relay five (12) being grounded respectively.
- 6. the circuit system that a kind of anti-electric current applied in vehicle switch assembly according to claim 5 is struck back, it is special Sign is that the control chip (1) is TITPS7A6150QKTTRQ1 or TPS7A6050QKVUQI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720572155.1U CN206775120U (en) | 2017-05-22 | 2017-05-22 | The circuit system that a kind of anti-electric current applied in vehicle switch assembly is struck back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720572155.1U CN206775120U (en) | 2017-05-22 | 2017-05-22 | The circuit system that a kind of anti-electric current applied in vehicle switch assembly is struck back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206775120U true CN206775120U (en) | 2017-12-19 |
Family
ID=60640789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720572155.1U Expired - Fee Related CN206775120U (en) | 2017-05-22 | 2017-05-22 | The circuit system that a kind of anti-electric current applied in vehicle switch assembly is struck back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206775120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123976A (en) * | 2017-05-22 | 2017-09-01 | 芜湖博康机电有限公司 | A kind of circuit system for the anti-electric current counterattack applied in vehicle switch assembly |
-
2017
- 2017-05-22 CN CN201720572155.1U patent/CN206775120U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123976A (en) * | 2017-05-22 | 2017-09-01 | 芜湖博康机电有限公司 | A kind of circuit system for the anti-electric current counterattack applied in vehicle switch assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20200522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |