CN203433312U - Signal generator for control system of electric steering gear - Google Patents
Signal generator for control system of electric steering gear Download PDFInfo
- Publication number
- CN203433312U CN203433312U CN201320513054.9U CN201320513054U CN203433312U CN 203433312 U CN203433312 U CN 203433312U CN 201320513054 U CN201320513054 U CN 201320513054U CN 203433312 U CN203433312 U CN 203433312U
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- chip microcomputer
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Abstract
The utility model discloses a signal generator for a control system of an electric steering gear. An output end of a signal control circuit is connected with an input end of a one-chip microcomputer. Output ends of the one-chip microcomputer are connected with an input end of a signal generation and processing circuit and an LED signal indication circuit respectively. An output end of the signal generation and processing circuit is connected with an output-signal interface. The signal generator is used for the control system of the electric steering gear.
Description
Technical field:
The utility model relates to a kind of signal generator, particularly a kind of signal generator of electric direction varying device control system.
Background technology:
The needed engine rotational speed signal of EPS system, vehicle speed signal are the signals that Engine ECU and vehicle speed sensor produce at present, when whole employing CAN bus communication, the required CAN signal of ECU is also special signal, if there is very large difficulty while adopting commercially available signal generator to carry out input signal simulation, bring very big inconvenience to EPS system testing.
Summary of the invention:
The utility model object is the signal generator that proposes a kind of electric direction varying device control system that a kind of step-length precision is high, frequency adjustable extent is wide and easy to adjust.
The technical scheme that realizes the utility model object is, a kind of signal generator of electric direction varying device control system, comprise single-chip microcomputer, it is characterized in that: also include signal control circuit and signal and occur and treatment circuit, described signal control circuit is, the two ends of resistance R 10 and the series circuit of touch-switch S2 are connected with 32 pin of direct supply and single-chip microcomputer U1 respectively, the series circuit two ends of resistance R 9 and switch S 3 are connected with single-chip microcomputer U1 31 pin with direct supply respectively, the negative electrode of two relative diode D9 is connected and is connected with described direct supply, the anode of a described diode is connected with the circuit between described touch-switch S2 and single-chip microcomputer U1 32 pin, the anode of described another diode D9 is connected with the circuit between switch S 3 and single-chip microcomputer U1 31 pin, the resistance R 11 of series winding and the circuit of R12 are with described two identical diode series circuit phases and connect mutually, circuit between described resistance R 11 and resistance R 12 is connected with described direct supply, series resistor R13 on the base stage of numeral triode Q1 and the circuit between the pin 26 of single-chip microcomputer U1, series resistor R15 on circuit between the collector of Q1 and the direct supply of 12V, series resistor R14 on the base stage of numeral triode Q2 and the circuit between the pin 25 of single-chip microcomputer, series resistor R16 on the collector of this triode Q2 and the circuit between 12V direct supply, described digital triode Q1, the emitter of Q2 is connected with ground respectively, the pin 1 of interface is connected with Q2 collector with described digital triode Q1 respectively with 2, the pin 3 of described interface, 4 respectively with the pin 7 of transponder chip U2, 6 connect, the pin 1 of the transponder chip U2 of institute is connected with single-chip microcomputer U1 pin 29 with 5 volts of direct supplys respectively, the pin 2 of this U2 and 3 is ground connection respectively, this U2 pin 4 is connected with described single-chip microcomputer U1 pin 30, the model of described single-chip microcomputer U1 and transponder chip U2 is respectively DZ60 and TJA1042.Be provided with signal indicating circuit, following series circuit; Resistance R 1, R2, R3, R4, R5, R6, R7 and R8 are connected with the negative electrode of light emitting diode D1, D2, D3, D4, D5, D6, D7 and D8 respectively, the anode of light emitting diode D1, D2, D3, D4, D5, D6, D7 and the D8 of the series circuit that described resistance is connected with light-emitting diodes tube cathode is connected with 5 volts of power supplys respectively, and the other end of resistance R 1, R2, R3, R4, R5, R6, R7 and R8 respectively be connected corresponding with 63 of pin 17,18,49,50,51,62,64 of single-chip microcomputer.
The utility model has advantages of that step-length precision is high, frequency adjustable extent is wide and easy to adjust compared with the prior art.
Accompanying drawing explanation:
Fig. 1 is frame principle figure of the present utility model; Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment:
In conjunction with above accompanying drawing, the utility model is elaborated, signal controlling principle of the present utility model is, the two ends of resistance R 10 and the series circuit of touch-switch S2 are connected with 32 pin of direct supply and single-chip microcomputer respectively, the series circuit two ends of resistance R 9 and switch S 3 are connected with single-chip microcomputer 31 pin with direct supply respectively, the negative electrode of two relative diode D9 is connected and is connected with described direct supply, the anode of a described diode is connected with the circuit between described touch-switch S2 and single-chip microcomputer 32 pin, the anode of described another diode D9 is connected with the circuit between switch S 3 and single-chip microcomputer 31 pin, the resistance R 11 of series winding and the circuit of R12 are with described two identical diode series circuit phases and connect mutually, circuit between described resistance R 11 and resistance R 12 is connected with described direct supply.
Signal designation principle of the present utility model is, following series circuit: resistance R 1, R2, R3, R4, R5, R6, R7 and R8 are connected with the negative electrode of light emitting diode D1, D2, D3, D4, D5, D6, D7 and D8 respectively, the anode of light emitting diode D1, D2, D3, D4, D5, D6, D7 and the D8 of the series circuit that described resistance is connected with light-emitting diodes tube cathode is connected with 5 volts of power supplys respectively, and the other end of resistance R 1, R2, R3, R4, R5, R6, R7 and R8 respectively be connected corresponding with 63 of pin 17,18,49,50,51,62,64 of single-chip microcomputer.
Signal of the present utility model occurs and processes electrical schematic diagram have two parts, i.e. the transtation mission circuit part of engine signal and vehicle speed signal part and CAN bus signals.
Engine signal and vehicle speed signal are partly, series resistor R13 on the base stage of numeral triode Q1 and the circuit between the pin 26 of single-chip microcomputer U1, series resistor R15 on circuit between the collector of Q1 and the direct supply of 12V, series resistor R14 on the base stage of numeral triode Q2 and the circuit between the pin 25 of single-chip microcomputer, series resistor R16 on the collector of this triode Q and the circuit between 12V direct supply, the emitter of described digital triode Q1, Q2 is connected with ground respectively, and the pin 1 of interface is connected with Q2 collector with described digital triode Q1 respectively with 2;
The transtation mission circuit of CAN bus signals is, the pin 2 of the transponder chip U2 of CAN bus signals, 8 difference ground connection, one termination 5V direct supply of resistance R 17, the other end of R17 is connected with the circuit between U2 pin P1 and monolithic under-chassis 29, U2 pin is connected with monolithic under-chassis 30, the pin 1 of interface, 2 are connected with the collector of described Q1 and Q2 respectively, the pin 3 of described interface, 4 respectively with the pin 7 of described U2, 6 connect, one end of electric capacity is connected with 5V direct supply with the pin 3 of U2 respectively, the other end of this circuit C1 is connected with ground, the model of described single-chip microcomputer is that the model of CAN bus transceiving chip U2 is,
Engine signal and vehicle speed signal by digital triode Q1 and digital triode Q2 realize amplitude on draw, meet the semaphore request of EPS system, resistance R 13, resistance R 14, resistance R 15 and R16 are as current-limiting resistance; U2 is the transceiver of CAN bus signals, realizes conversion and the transmission of CAN bus signals, and resistance R 17 is as the pull-up resistor of TXD signal, and C1 is the decoupling capacitor of transponder chip U2 power pin.The model of described single-chip microcomputer U1 and transponder chip U2 is respectively DZ60 and TJA1042.
Claims (2)
1. the signal generator of an electric direction varying device control system, comprise single-chip microcomputer, it is characterized in that: also include signal control circuit and signal and occur and treatment circuit, described signal control circuit is, the two ends of resistance R 10 and the series circuit of touch-switch S2 are connected with 32 pin of direct supply and single-chip microcomputer U1 respectively, the series circuit two ends of resistance R 9 and switch S 3 are connected with single-chip microcomputer U1 31 pin with direct supply respectively, the negative electrode of two relative diode D9 is connected and is connected with described direct supply, the anode of a described diode is connected with the circuit between described touch-switch S2 and single-chip microcomputer U1 32 pin, the anode of described another diode D9 is connected with the circuit between switch S 3 and single-chip microcomputer U1 31 pin, the resistance R 11 of series winding and the circuit of R12 are with described two identical diode series circuit phases and connect mutually, circuit between described resistance R 11 and resistance R 12 is connected with described direct supply, series resistor R13 on the base stage of numeral triode Q1 and the circuit between the pin 26 of single-chip microcomputer U1, series resistor R15 on circuit between the collector of Q1 and the direct supply of 12V, series resistor R14 on the base stage of numeral triode Q2 and the circuit between the pin 25 of single-chip microcomputer, series resistor R16 on the collector of this triode Q2 and the circuit between 12V direct supply, described digital triode Q1, the emitter of Q2 is connected with ground respectively, the pin 1 of interface is connected with Q2 collector with described digital triode Q1 respectively with 2, the pin 3 of described interface, 4 respectively with the pin 7 of transponder chip U2, 6 connect, the pin 1 of the transponder chip U2 of institute is connected with single-chip microcomputer U1 pin 29 with 5 volts of direct supplys respectively, the pin 2 of this U2 and 3 is ground connection respectively, this U2 pin 4 is connected with described single-chip microcomputer U1 pin 30, the model of described single-chip microcomputer U1 and transponder chip U2 is respectively DZ60 and TJA1042.
2. the signal generator of a kind of electric direction varying device control system as claimed in claim 1, is characterized in that: be provided with signal indicating circuit, following series circuit; Resistance R 1, R2, R3, R4, R5, R6, R7 and R8 are connected with the negative electrode of light emitting diode D1, D2, D3, D4, D5, D6, D7 and D8 respectively, the anode of light emitting diode D1, D2, D3, D4, D5, D6, D7 and the D8 of the series circuit that described resistance is connected with light-emitting diodes tube cathode is connected with 5 volts of power supplys respectively, and the other end of resistance R 1, R2, R3, R4, R5, R6, R7 and R8 respectively be connected corresponding with 63 of pin 17,18,49,50,51,62,64 of single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320513054.9U CN203433312U (en) | 2013-08-21 | 2013-08-21 | Signal generator for control system of electric steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320513054.9U CN203433312U (en) | 2013-08-21 | 2013-08-21 | Signal generator for control system of electric steering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203433312U true CN203433312U (en) | 2014-02-12 |
Family
ID=50062339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320513054.9U Expired - Fee Related CN203433312U (en) | 2013-08-21 | 2013-08-21 | Signal generator for control system of electric steering gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203433312U (en) |
-
2013
- 2013-08-21 CN CN201320513054.9U patent/CN203433312U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20210821 |