CN204031115U - A kind of pneumatic operated valve drive circuit - Google Patents
A kind of pneumatic operated valve drive circuit Download PDFInfo
- Publication number
- CN204031115U CN204031115U CN201420431648.XU CN201420431648U CN204031115U CN 204031115 U CN204031115 U CN 204031115U CN 201420431648 U CN201420431648 U CN 201420431648U CN 204031115 U CN204031115 U CN 204031115U
- Authority
- CN
- China
- Prior art keywords
- pin
- triode
- mcu
- optocoupler
- relay
- 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
Links
Landscapes
- Amplifiers (AREA)
Abstract
The utility model relates to a kind of drive circuit, especially be applied to a kind of pneumatic operated valve drive circuit in ultrasonic calorimeter calibrating installation, comprise resistance R 181, optocoupler PS2501, resistance R 176, triode C9014, Schottky diode SS16, relay PCN-105D3MHZ, binding post J28, and the IO control end of STM32F103ZET6; In the utility model circuit, MCU chip is by the switch of low level control relay, the EMI performance of circuit and the antijamming capability of system have been improved, triode and the triode C9014 of optocoupler PS2501 inside have formed common-collector amplifier, MCU chip only needs very little electric current just can guarantee the reliable switch of relay, reduce the electric current that pours into STM32F103ZET6, reduce the power consumption of STM32F103ZET6 simultaneously, guarantee the reliable and stable operation of MCU chip.
Description
Technical field
The utility model relates to a kind of drive circuit, is especially applied to a kind of pneumatic operated valve drive circuit in ultrasonic calorimeter calibrating installation.
Background technology
In large heat table calibration equipment, be provided with the equipment such as high power motor, frequency converter, electromagnetic flowmeter, electric control valve, environment for use is comparatively severe, need to carry out electrical isolation; And the switch that is applied to the pneumatic operated valve of large heat table calibration equipment is controlled, be generally to utilize MCU that relay switch is controlled and realized, this just requires MCU reliably to control relay switch, and then controls pneumatic operated valve.But because circuit design need to be controlled the relay on 30 tunnels, and the total turnover electric current of any IO that is connected to MCU is 150mA to the maximum; In circuit, also have ADC, DAC, pulse capture, 485,232 functional circuits such as grade, in order to reduce the total power consumption of any IO that is connected to MCU, circuit need to reduce the electric current that drives IO as far as possible.
Summary of the invention
In order to solve the deficiencies in the prior art, the utility model provides a kind of pneumatic operated valve drive circuit, and this circuit can reduce drive current when carrying out electrical isolation, guarantees the reliable switch of relay.
The technical scheme that the utility model provides is: a kind of pneumatic operated valve drive circuit, it mainly comprises resistance R 181, optocoupler PS2501, resistance R 176, triode C9014, Schottky diode SS16, relay PCN-105D3MHZ, binding post J28, and the IO control end PageOff_MCU_IO_drive5 of STM32F103ZET6, PageOff_MCU_IO_drive5 is low level control conducting, and the IO control end PageOff_MCU_IO_drive5 of STM32F103ZET6 is connected to any IO of MCU; Use optocoupler PS2501 to carry out electrical isolation;
The pin 1 of optocoupler PS2501 connects power supply mcu_3V3D, and power supply mcu_3V3D is for driving the light-emitting diode of optocoupler PS2501, and pin 4 connects power supply VCC_5VDrive, and power supply VCC_5VDrive is for driving the triode of optocoupler PS2501; The pin 2 of optocoupler PS2501 is connected with the common IO of MCU by resistance R 181, and pin 3 is connected with the pin 1 of triode C9014 by resistance R 176; The triode of optocoupler PS2501 inside and triode C9014 form common-collector amplifier, reduce greatly drive current, guarantee the reliable switch of relay PCN-105D3MHZ below, reduced the power consumption of STM32F103ZET6, guaranteed the reliable and stable operation of MCU chip;
The pin 2 of triode C9014 connects the ground F of isolation, and pin 3 connects the positive pole of Schottky diode SS16; MCU is by the conducting of low level control triode C9014;
The negative pole of Schottky diode SS16 connects power supply VCC_5VDrive;
The pin 1 of relay PCN-105D3MHZ connects the negative pole of Schottky diode SS16, and pin 2 connects the positive pole of Schottky diode SS16, and pin 3 and pin 4 are connected respectively pin 1 and the pin 2 of binding post J28; Relay PCN-105D3MHZ, by the conducting of 5V DC power control, stable and reliable for performance.
In circuit, comprise two power supply systems: power supply VCC_5VDrive and power supply mcu_3V3D; Power supply VCC_5VDrive is for driving the triode of triode C9014 and optocoupler PS2501, and power supply mcu_3V3D is for driving the light-emitting diode of optocoupler PS2501; The ground connection of power supply VCC_5VDrive and power supply mcu_3V3D is isolated completely.
In the utility model, MCU chip is used STM32F103ZET6 chip to control.In circuit, MCU chip just carrys out conducting or turn-offs relay PCN-105D3MHZ by controlling the IO control end of STM32F103ZET6 according to host computer instruction, for external pneumatic valve provides power supply or cuts off the electricity supply, realizes the control to pneumatic operated valve.MCU chip, by the switch of low level control relay, can improve the EMI performance of circuit.
The beneficial effects of the utility model are that in the utility model circuit, MCU chip, by the switch of low level control relay, has improved the EMI performance of circuit, has improved the antijamming capability of system.Triode and the triode C9014 of optocoupler PS2501 inside have formed common-collector amplifier, MCU chip only needs very little electric current just can guarantee the reliable switch of relay, reduced the electric current that pours into STM32F103ZET6, reduce the power consumption of STM32F103ZET6 simultaneously, guaranteed the reliable and stable operation of MCU chip.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the utility model circuit diagram.
Embodiment
With reference to accompanying drawing, a kind of pneumatic operated valve drive circuit, it mainly comprises resistance R 181, optocoupler PS2501, resistance R 176, triode C9014, Schottky diode SS16, relay PCN-105D3MHZ, binding post J28, and the IO control end of STM32F103ZET6.
The IO control end of STM32F103ZET6 is connected to any IO of MCU.
Use optocoupler PS2501 to carry out electrical isolation.
The pin 1 of optocoupler PS2501 connects power supply mcu_3V3D, and power supply mcu_3V3D is for driving the light-emitting diode of optocoupler PS2501, and pin 4 connects power supply VCC_5VDrive, and power supply VCC_5VDrive is for driving the triode of optocoupler PS2501; The pin 2 of optocoupler PS2501 is connected with the common IO of MCU by resistance R 181, and pin 3 is connected with the pin 1 of triode C9014 by resistance R 176; The triode of optocoupler PS2501 inside and triode C9014 form common-collector amplifier, reduce greatly drive current, guarantee the reliable switch of relay PCN-105D3MHZ below, reduced the power consumption of STM32F103ZET6, guaranteed the reliable and stable operation of MCU chip.
The pin 2 of triode C9014 connects the ground F of isolation, and pin 3 connects the positive pole of Schottky diode SS16; MCU is by the conducting of low level control triode C9014.
The negative pole of Schottky diode SS16 connects power supply VCC_5VDrive, and power supply VCC_5VDrive drives triode C9014 by Schottky diode SS16.
The pin 1 of relay PCN-105D3MHZ connects the negative pole of Schottky diode SS16, and pin 2 connects the positive pole of Schottky diode SS16, and pin 3 and pin 4 are connected respectively pin 1 and the pin 2 of binding post J28; Relay PCN-105D3MHZ, by the conducting of 5V DC power control, stable and reliable for performance.
In the utility model, MCU chip is used STM32F103ZET6 chip to control.In circuit, MCU chip just carrys out conducting or turn-offs relay PCN-105D3MHZ by controlling the IO control end of STM32F103ZET6 according to host computer instruction, for external pneumatic valve provides power supply or cuts off the electricity supply, realizes the control to pneumatic operated valve.MCU chip, by the switch of low level control relay, can improve the EMI performance of circuit.
In sum, these are only embodiment of the present utility model, be not intended to limit protection range of the present utility model.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (4)
1. a pneumatic operated valve drive circuit, comprise resistance R 181, optocoupler PS2501, resistance R 176, triode C9014, Schottky diode SS16, relay PCN-105D3MHZ, binding post J28, and the IO control end PageOff_MCU_IO_drive5 of STM32F103ZET6, it is characterized in that, the IO control end PageOff_MCU_IO_drive5 of STM32F103ZET6 is connected to any IO of MCU; Use optocoupler PS2501 to carry out electrical isolation; The pin 1 of optocoupler PS2501 connects power supply mcu_3V3D, and pin 4 connects power supply VCC_5VDrive, and the pin 2 of optocoupler PS2501 is connected with the common IO of MCU by resistance R 181, and pin 3 is connected with the pin 1 of triode C9014 by resistance R 176; The triode of optocoupler PS2501 inside and triode C9014 form common-collector amplifier; The pin 2 of triode C9014 connects the ground F of isolation, and pin 3 connects the positive pole of Schottky diode SS16; The negative pole of Schottky diode SS16 connects power supply VCC_5VDrive; The pin 1 of relay PCN-105D3MHZ connects the negative pole of Schottky diode SS16, and pin 2 connects the positive pole of Schottky diode SS16, and pin 3 and pin 4 are connected respectively pin 1 and the pin 2 of binding post J28.
2. pneumatic operated valve drive circuit according to claim 1, is characterized in that, relay PCN-105D3MHZ is by the conducting of 5V DC power control.
3. pneumatic operated valve drive circuit according to claim 1, is characterized in that, the ground connection of power supply VCC_5VDrive and power supply mcu_3V3D is isolated completely.
4. pneumatic operated valve drive circuit according to claim 1, it is characterized in that, MCU chip is controlled triode C9014 according to host computer instruction by controlling the low and high level of the IO control end of STM32F103ZET6, and then realizes the control to relay PCN-105D3MHZ; MCU is by the conducting of low level control triode C9014.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420431648.XU CN204031115U (en) | 2014-08-01 | 2014-08-01 | A kind of pneumatic operated valve drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420431648.XU CN204031115U (en) | 2014-08-01 | 2014-08-01 | A kind of pneumatic operated valve drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204031115U true CN204031115U (en) | 2014-12-17 |
Family
ID=52070939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420431648.XU Expired - Fee Related CN204031115U (en) | 2014-08-01 | 2014-08-01 | A kind of pneumatic operated valve drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204031115U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334368A (en) * | 2014-08-08 | 2016-02-17 | 北京谊安医疗系统股份有限公司 | Electrical self-check circuit for solenoid valve of aesthesia machine |
-
2014
- 2014-08-01 CN CN201420431648.XU patent/CN204031115U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334368A (en) * | 2014-08-08 | 2016-02-17 | 北京谊安医疗系统股份有限公司 | Electrical self-check circuit for solenoid valve of aesthesia machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203352423U (en) | Switching tube driving amplifying circuit for switching power supply | |
| CN203858468U (en) | Air conditioner standby power consumption control circuit and air conditioner | |
| CN204031115U (en) | A kind of pneumatic operated valve drive circuit | |
| CN202996717U (en) | Relay drive circuit in resistance-capacitance voltage drop-down circuit | |
| CN103997194A (en) | Method for driving switch tube in BUCK circuit | |
| CN104407608A (en) | Switch control circuit of snowplow controller and control method thereof | |
| CN203482457U (en) | Human body induction or sound control led lamp | |
| CN203553045U (en) | Relay control circuit | |
| CN204633621U (en) | A kind of Switching Power Supply underloading turns off the circuit of synchronous rectification | |
| CN205193507U (en) | Many control mode farm push rod controlling means | |
| CN204741599U (en) | Intelligence switch | |
| CN203732906U (en) | Power switch based on Bluetooth 4.0 | |
| CN203722199U (en) | Power overload protection device | |
| CN203674081U (en) | Relay drive circuit | |
| CN203261314U (en) | Modulator circuit based on NAND gate integrated circuit | |
| CN203983169U (en) | Bicycle lock control circuit | |
| CN203444379U (en) | Output voltage control circuit | |
| CN202259979U (en) | Intelligent control electric socket | |
| CN202152992U (en) | Acoustic control lamp holder | |
| CN203573123U (en) | Dual-relay based power controller | |
| CN203433656U (en) | Wireless remote control circuit of submerged pump | |
| CN103857111A (en) | Automatic lighting system | |
| CN205485422U (en) | IGBT digital driver based on FPGA | |
| CN204179939U (en) | A kind of novel zero-power power module CNT control circuit | |
| CN103458574A (en) | Human body inductive or voice-control LED lamp |
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 |
Granted publication date: 20141217 Termination date: 20180801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |