CN207475528U - For the circuit of control electronics - Google Patents
For the circuit of control electronics Download PDFInfo
- Publication number
- CN207475528U CN207475528U CN201721401803.3U CN201721401803U CN207475528U CN 207475528 U CN207475528 U CN 207475528U CN 201721401803 U CN201721401803 U CN 201721401803U CN 207475528 U CN207475528 U CN 207475528U
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- Prior art keywords
- tie point
- circuit
- processing module
- input part
- signal input
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Abstract
The utility model provides a kind of circuit for control electronics, including processing module, signal input part and inputs a signal into end and conducting wire that processing module is electrically connected.The conducting wire is equipped with the first tie point and the second tie point between the first tie point and processing module.The circuit further includes second resistance, the 3rd resistor between the first tie point and the second tie point and one end that one end connects the first tie point and the other end connects the first resistor of the first power supply, one end connects the first tie point and the other end is grounded and connects the second tie point and the 4th resistance of other end ground connection.The signal input part of the circuit of the utility model can connect any one in low level and high level, and applicability is high.
Description
Technical field
The utility model is related to a kind of circuits, especially a kind of circuit for control electronics.
Background technology
In the prior art, include processing module, signal input part and by signal for the circuit of control electronics
The conducting wire that input terminal and processing module are electrically connected.And previous design is, first consulting engineers signal is needed to input
End connection is high level or low level, and different circuits is designed further according to the level state of signal input part connection.If
Input is that high level effectively switchs, then the interior design drop-down of circuit；If input is that low level effectively switchs, then circuit
Interior design is exactly to pull up.The design flexibility is weaker.
Invention content
The purpose of this utility model is to provide that a kind of flexibility is high, the circuit for control electronics of strong applicability.
One side according to the present utility model provides a kind of circuit for control electronics, including handling mould
It block, signal input part and inputs a signal into end and conducting wire that processing module is electrically connected, is set in the conducting wire
There are the first tie point and the second tie point between the first tie point and processing module, the circuit further includes one end connection
First tie point and the other end connect the second of the first resistor of the first power supply, one end the first tie point of connection and other end ground connection
Resistance, the 3rd resistor between the first tie point and the second tie point and one end connect the second tie point and another termination
4th resistance on ground.
Preferably, the conducting wire is additionally provided with the third tie point between the first tie point and signal input part,
The circuit further includes one end and is connected to third tie point and the first capacitance of other end ground connection.
Preferably, the conducting wire is additionally provided with the 4th tie point between the second tie point and processing module, institute
State circuit further include one end be connected to the 4th tie point and the other end ground connection the second capacitance.
Preferably, the signal input part is for selecting any one in connection high level and low level, when the high electricity of connection
Usually, the power supply of high level and the first power supply are same power supplys.
Preferably, the processing module is judged for measuring the voltage of the second tie point by measuring the variation of voltage
The on off state of the circuit of signal input part connection.
Preferably, the 3rd resistor and the 4th resistance is are connected in series with.
Preferably, the circuit is used for control unit of engine.
Signal input part of the utility model for the circuit of control electronics can be connected in low level and high level
Any one, applicability is high.
Description of the drawings
Fig. 1 is the circuit diagram of the circuit for control electronics of the utility model.
Fig. 2 is circuit diagram when signal input part connects high level.
Fig. 3 is circuit diagram when signal input part connects low level.
Specific embodiment
Shown in Figure 1, the utility model is a kind of circuit for control electronics, including processing module 2, letter
Number input terminal 1 and input a signal into end 1 and conducting wire 5 that processing module 2 is electrically connected.Conducting wire 5 is equipped with the
One tie point 11 and the second tie point 12 between the first tie point 11 and processing module 2.Circuit further includes one end connection
First tie point 11 and the other end connect the first resistor R1 of the first power supply VBR1, one end connects the first tie point 11 and the other end
It is grounded the second resistance R2 of GND, 12 3rd resistor R3 and one end connect between the first tie point 11 and the second tie point
Meet the 4th resistance R4 of the second tie point 12 and other end ground connection GND.It is high that the signal input part 1 of this circuit can be adapted for connection
Any one in level and low level, strong applicability reduces workload.
Conducting wire 5 is additionally provided with the third tie point 13 between the first tie point 11 and signal input part 1.Circuit is also
The first capacitance C1 of third tie point 13 and other end ground connection GND are connected to including one end.First capacitance C1 can play anti-quiet
The effect of electricity.
Conducting wire 5 is additionally provided with the 4th tie point 14 between the second tie point 12 and processing module 2.Circuit also wraps
Include the second capacitance C2 that one end is connected to the 4th tie point 14 and other end ground connection GND.Second capacitance C2 can play filter out it is dry
The technique effect disturbed.
Signal input part 1 is for any one in selection connection high level and low level, when connecting high level, high level
Power supply VBR2 and the first power supply VBR1 be same power supply.
Processing module 2 judges that signal inputs for measuring the voltage of the second tie point 12, by measuring the variation of voltage
The on off state of the circuit of 1 connection of end.When signal input part 1 connects high level or low level, measured by processing module 2
To voltage come judge input state.Different voltage values can correctly reflect different input states, that is, can determine that input is
High level opens or closes or low level opens or closes.
3rd resistor R3 and the 4th resistance R4 is is connected in series with.
Circuit during this is practical can be used for control unit of engine, judge the phase in vehicle by the signal measured
Close the working condition of component.
It is shown in Figure 2, circuit diagram during high level is connect for signal input part 1.If outside connected switch high level is effective,
VBR1=VBR2, then
When switching 31 closure, V1=VBR1
Wherein, V1 is the voltage at the first tie point 11, and V2 is the voltage at the second tie point 12.
For by taking clutch switch is high level as an example, R1=2.7K, R2=2.7K, R3=22K, R4=10K, VBR1=
13V, then
V1=13V, V2=4.0625V；The voltage that i.e. processing module 2 obtains is 4.0625V；
When switching 31 disconnection,
Wherein, V1 is the voltage at the first tie point 11, and V2 is the voltage at the second tie point 12.
Bring example value above into, then V1=6.5V, V2=2.03125V.
It is shown in Figure 3, circuit diagram during low level is connect for signal input part 1.
When switching 41 and being closed, ideally voltage
V1=0
Wherein, V1 is the voltage at the first tie point 11, and V2 is the voltage at the second tie point 12.
For by taking clutch switch is low level as an example, R1=2.7K, R2=2.7K, R3=22K, R4=10K, VBR1=
13V, then
V1=0V, V2=0；The voltage that i.e. processing module 2 obtains is 0V；
When switching 41 disconnection,
Wherein, V1 is the voltage at the first tie point 11, and V2 is the voltage at the second tie point 12.
Bring example value above into, then V1=6.5V, V2=2.03125V.
It can be seen that no matter what type of level, this circuit can be proper use of, i.e., processing module 2 can pass through
The input state of the value judgement signal of reading.
Those skilled in the art can be obvious, and the above exemplary embodiments of the utility model can be carry out various modifications and be become
Type is without departing from the spirit and scope of the utility model.Accordingly, it is intended to the utility model covering is made to fall in the appended claims
And its modifications and variations to the utility model in the range of equivalent arrangements.
Claims (7)
- It is defeated including processing module (2), signal input part (1) and by signal 1. a kind of circuit for control electronics Enter end (1) and the conducting wire (5) that is electrically connected of processing module (2), which is characterized in that the conducting wire (5) is equipped with First tie point (11) and the second tie point (12) between the first tie point (11) and processing module (2), the circuit It further includes one end and connects the first resistor (R1) of the first tie point (11) and the other end the first power supply of connection (VBR1), one end connection First tie point (11) and the other end are grounded the second resistance (R2) of (GND), positioned at the first tie point (11) and the second tie point (12) 3rd resistor (R3) and one end between connect the second tie point (12) and the 4th resistance of other end ground connection (GND) (R4)。
- 2. circuit as described in claim 1, which is characterized in that the conducting wire (5) is additionally provided with positioned at the first tie point (11) the third tie point (13) between signal input part (1), the circuit further include one end and are connected to third tie point (13) and the other end ground connection (GND) the first capacitance (C1).
- 3. circuit as claimed in claim 1 or 2, which is characterized in that the conducting wire (5) is additionally provided with positioned at the second tie point (12) the 4th tie point (14) between processing module (2), the circuit further include one end and are connected to the 4th tie point (14) And the second capacitance (C2) of other end ground connection (GND).
- 4. circuit as described in claim 1, which is characterized in that the signal input part (1) for select connection high level and Any one in low level, when connecting high level, the power supply (VBR2) and the first power supply (VBR1) of high level are same electricity Source.
- 5. circuit as described in claim 1, which is characterized in that the processing module (2) is for the second tie point of measurement (12) Voltage, by measure the variation of voltage judge signal input part (1) connect circuit on off state.
- 6. circuit as described in claim 1, which is characterized in that the 3rd resistor (R3) and the 4th resistance (R4) connect for series connection It connects.
- 7. circuit as described in claim 1, which is characterized in that the circuit is used for control unit of engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721401803.3U CN207475528U (en) | 2017-10-27 | 2017-10-27 | For the circuit of control electronics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721401803.3U CN207475528U (en) | 2017-10-27 | 2017-10-27 | For the circuit of control electronics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207475528U true CN207475528U (en) | 2018-06-08 |
Family
ID=62265339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721401803.3U Active CN207475528U (en) | 2017-10-27 | 2017-10-27 | For the circuit of control electronics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207475528U (en) |
-
2017
- 2017-10-27 CN CN201721401803.3U patent/CN207475528U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191231 Address after: 130033 No. 1981, Wuhan Road, Changchun Economic Development Zone, Jilin, China Patentee after: Shibeite automotive electronics (Changchun) Co., Ltd. Address before: 130033 No. 1981, Wuhan road, economic development zone, Changchun City, Jilin Province Patentee before: Continental Automotive Electronics (Changchun) Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 130033 No. 1981, Wuhan Road, Changchun Economic Development Zone, Jilin, China Patentee after: WeiPai automotive electronics (Changchun) Co., Ltd Address before: 130033 No. 1981, Wuhan Road, Changchun Economic Development Zone, Jilin, China Patentee before: Shibeite automotive electronics (Changchun) Co., Ltd. |