CN204155153U - A kind of motors of metering pumps control system - Google Patents
A kind of motors of metering pumps control system Download PDFInfo
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- CN204155153U CN204155153U CN201420543128.8U CN201420543128U CN204155153U CN 204155153 U CN204155153 U CN 204155153U CN 201420543128 U CN201420543128 U CN 201420543128U CN 204155153 U CN204155153 U CN 204155153U
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Abstract
The utility model discloses a kind of motors of metering pumps control system, comprise single chip machine controlling circuit, driving circuit and button control circuit, single chip machine controlling circuit comprises single-chip microcomputer U1, electric capacity C1 and electric capacity C2, and driving circuit comprises chip U2 and resistance R5.The utility model controls to regulate volume pump flow with Driving Stepping Motor by using single-chip microcomputer U1 and chip U2, the motors of metering pumps control system that analog current signal controls can accept again pulse signal control can be accepted, and the step angle having it fixing due to stepper motor, its rotation runs step by step with fixing angle, greatly improves the control accuracy of volume pump.
Description
Technical field
The utility model relates to a kind of drive system, specifically a kind of motors of metering pumps control system.
Background technology
As everyone knows, the flow control of volume pump has various ways, the mode mostly adopting variable-frequency motor to add frequency converter now realizes external control, but the pump producer had in early days or user, have employed and common electric machine is added the high-power way be used as variable-frequency motor and used, although this mode can reduce costs, there is tuning range narrow and in low frequency situation, easily burn out the problem of motor, increasing client also recognizes this point.And the mode that the mode adopting variable-frequency motor to add frequency converter realizes external control can only accept analog current signal control, cannot accept pulse signal and control, control accuracy is also not enough to some extent.
Utility model content
The purpose of this utility model be to provide a kind of control accuracy high, analog current signal can be accepted control can to accept again the motors of metering pumps control system that pulse signal controls, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of motors of metering pumps control system, comprise single chip machine controlling circuit, driving circuit and button control circuit, described single chip machine controlling circuit comprises single-chip microcomputer U1, electric capacity C1 and electric capacity C2, and described driving circuit comprises chip U2 and resistance R5.
Described single-chip microcomputer U1 pin P1.0 is contact resistance R2 and keyswitch S1 respectively, single-chip microcomputer U1 pin P1.1 is contact resistance R3 and keyswitch S2 respectively, single-chip microcomputer U1 pin P1.2 is contact resistance R4 and keyswitch S3 respectively, the resistance R4 other end is the contact resistance R2 other end respectively, the resistance R3 other end and power supply VCC, the described keyswitch S1 other end connects the keyswitch S2 other end and the keyswitch S3 other end and ground connection respectively, described single-chip microcomputer U1 pin RESET connects electric capacity C3 and stake resistance R1 respectively, the electric capacity C3 other end connects power supply VCC, described single-chip microcomputer U1 pin XTAL1 connects crystal oscillator Q and electric capacity C1 respectively, electric capacity C1 connects electric capacity C2 and ground connection, electric capacity C2 connects single-chip microcomputer U1 pin XTAL2 and the crystal oscillator Q other end respectively, described single-chip microcomputer U1 pin GND ground connection, single-chip microcomputer U1 pin P2.0 is contact resistance R5 and chip U2 pin IN4 respectively, single-chip microcomputer U1 pin P2.1 is contact resistance R6 and chip U2 pin IN3 respectively, single-chip microcomputer U1 pin P2.2 is contact resistance R7 and chip U2 pin IN2 respectively, single-chip microcomputer U1 pin P2.3 is contact resistance R8 and chip U2 pin IN1 respectively, the resistance R8 other end is the contact resistance R5 other end respectively, the resistance R6 other end, the resistance R7 other end and power supply VCC, described chip U2 pin COMMON ground connection, chip U2 pin CLAMP meets power supply VCC, described single-chip microcomputer U1 pin EA/VP connects power supply VCC, single-chip microcomputer U1 pin Vcc connects power supply VCC, described chip U2 pin OUT1 is contact resistance R12 and stepper motor M pin 1 respectively, described chip U2 pin OUT2 is contact resistance R11 and stepper motor M pin 2 respectively, described chip U2 pin OUT3 is contact resistance R10 and stepper motor M pin 3 respectively, described chip U2 pin OUT4 is contact resistance R9 and stepper motor M pin 4 respectively, stepper motor M pin 5 connects power supply VCC.
As further program of the utility model: described single-chip microcomputer U1 model is AT89C51, described chip U2 model is ULN2003A.
As the utility model further scheme: described chip U2 is in driving process, chip U2 plays the effect by control signal power amplification and signal inversion, and then stably steadily effectively give stepper motor M by the control signal of stepper motor, guarantee the normal operation of stepper motor M.
Compared with prior art, the beneficial effects of the utility model are: the utility model controls to regulate volume pump flow with Driving Stepping Motor by using single-chip microcomputer U1 and chip U2, the motors of metering pumps control system that analog current signal controls can accept again pulse signal control can be accepted, and the step angle having it fixing due to stepper motor, its rotation runs step by step with fixing angle, greatly improves the control accuracy of volume pump.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of motors of metering pumps control system;
Fig. 2 is that the Single Chip Microcomputer (SCM) program of motors of metering pumps control system drives process flow diagram.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1,2, in the utility model embodiment, a kind of motors of metering pumps control system, comprises single chip machine controlling circuit, driving circuit and button control circuit, single chip machine controlling circuit comprises single-chip microcomputer U1, electric capacity C1 and electric capacity C2, and driving circuit comprises chip U2 and resistance R5.
Single-chip microcomputer U1 pin P1.0 is contact resistance R2 and keyswitch S1 respectively, single-chip microcomputer U1 pin P1.1 is contact resistance R3 and keyswitch S2 respectively, single-chip microcomputer U1 pin P1.2 is contact resistance R4 and keyswitch S3 respectively, the resistance R4 other end is the contact resistance R2 other end respectively, the resistance R3 other end and power supply VCC, the keyswitch S1 other end connects the keyswitch S2 other end and the keyswitch S3 other end and ground connection respectively, single-chip microcomputer U1 pin RESET connects electric capacity C3 and stake resistance R1 respectively, the electric capacity C3 other end connects power supply VCC, single-chip microcomputer U1 pin XTAL1 connects crystal oscillator Q and electric capacity C1 respectively, electric capacity C1 connects electric capacity C2 and ground connection, electric capacity C2 connects single-chip microcomputer U1 pin XTAL2 and the crystal oscillator Q other end respectively, single-chip microcomputer U1 pin GND ground connection, single-chip microcomputer U1 pin P2.0 is contact resistance R5 and chip U2 pin IN4 respectively, single-chip microcomputer U1 pin P2.1 is contact resistance R6 and chip U2 pin IN3 respectively, single-chip microcomputer U1 pin P2.2 is contact resistance R7 and chip U2 pin IN2 respectively, single-chip microcomputer U1 pin P2.3 is contact resistance R8 and chip U2 pin IN1 respectively, the resistance R8 other end is the contact resistance R5 other end respectively, the resistance R6 other end, the resistance R7 other end and power supply VCC, chip U2 pin COMMON ground connection, chip U2 pin CLAMP meets power supply VCC, single-chip microcomputer U1 pin EA/VP connects power supply VCC, single-chip microcomputer U1 pin Vcc connects power supply VCC, chip U2 pin OUT1 is contact resistance R12 and stepper motor M pin 1 respectively, chip U2 pin OUT2 is contact resistance R11 and stepper motor M pin 2 respectively, chip U2 pin OUT3 is contact resistance R10 and stepper motor M pin 3 respectively, chip U2 pin OUT4 is contact resistance R9 and stepper motor M pin 4 respectively, stepper motor M pin 5 connects power supply VCC.
Single-chip microcomputer U1 model is AT89C51, and chip U2 model is ULN2003A.
Chip U2 is in driving process, and chip U2 plays the effect by control signal power amplification and signal inversion, and then stably steadily effectively gives stepper motor M by the control signal of stepper motor, guarantees the normal operation of stepper motor M.
Principle of work of the present utility model is: native system passes through traffic direction and the speed of computer settings stepper motor M, and the control of speed and direction changing, and these parameters and control program are burnt in single-chip microcomputer U1 by digital serial port, the control signal of button control signal and single-chip microcomputer passes through driving circuit, input to stepper motor M, the speed of control step motor M and direction, thus reach the object controlling volume pump flow.
After circuit powers on, single-chip microcomputer U1 brings into operation, and runs the program be burned onto in single-chip microcomputer U1.Owing to having arranged the way of output of control signal in program properly, single-chip microcomputer U1 just exports control signal to chip U2 in this manner, control signal is through the signal inversion of chip U2, after power amplification, stepper motor M is exported to from the output interface of chip U2, stepper motor M starts working after receiving control signal, and in process, keyswitch controls the turning to of stepper motor M, rotating speed in real time.After length presses keyswitch S1, stepper motor M counter-rotation; After unclamping keyswitch S1, stepper motor M rotates forward.Push button switch S 2, and stepper motor M slows down; Push button switch S 3, and stepper motor M slows down.
Control to regulate volume pump flow with Driving Stepping Motor M by using single-chip microcomputer U1 and chip U2, the motors of metering pumps control system that analog current signal controls can accept again pulse signal control can be accepted, and the step angle having it fixing due to stepper motor M, its rotation runs step by step with fixing angle, greatly improves the control accuracy of volume pump.
Claims (3)
1. a motors of metering pumps control system, comprises single chip machine controlling circuit, driving circuit and button control circuit, it is characterized in that, described single chip machine controlling circuit comprises single-chip microcomputer U1, electric capacity C1 and electric capacity C2, and described driving circuit comprises chip U2 and resistance R5;
Described single-chip microcomputer U1 pin P1.0 is contact resistance R2 and keyswitch S1 respectively, single-chip microcomputer U1 pin P1.1 is contact resistance R3 and keyswitch S2 respectively, single-chip microcomputer U1 pin P1.2 is contact resistance R4 and keyswitch S3 respectively, the resistance R4 other end is the contact resistance R2 other end respectively, the resistance R3 other end and power supply VCC, the described keyswitch S1 other end connects the keyswitch S2 other end and the keyswitch S3 other end and ground connection respectively, described single-chip microcomputer U1 pin RESET connects electric capacity C3 and stake resistance R1 respectively, the electric capacity C3 other end connects power supply VCC, described single-chip microcomputer U1 pin XTAL1 connects crystal oscillator Q and electric capacity C1 respectively, electric capacity C1 connects electric capacity C2 and ground connection, electric capacity C2 connects single-chip microcomputer U1 pin XTAL2 and the crystal oscillator Q other end respectively, described single-chip microcomputer U1 pin GND ground connection, single-chip microcomputer U1 pin P2.0 is contact resistance R5 and chip U2 pin IN4 respectively, single-chip microcomputer U1 pin P2.1 is contact resistance R6 and chip U2 pin IN3 respectively, single-chip microcomputer U1 pin P2.2 is contact resistance R7 and chip U2 pin IN2 respectively, single-chip microcomputer U1 pin P2.3 is contact resistance R8 and chip U2 pin IN1 respectively, the resistance R8 other end is the contact resistance R5 other end respectively, the resistance R6 other end, the resistance R7 other end and power supply VCC, described chip U2 pin COMMON ground connection, chip U2 pin CLAMP meets power supply VCC, described single-chip microcomputer U1 pin EA/VP connects power supply VCC, single-chip microcomputer U1 pin Vcc connects power supply VCC, described chip U2 pin OUT1 is contact resistance R12 and stepper motor M pin 1 respectively, described chip U2 pin OUT2 is contact resistance R11 and stepper motor M pin 2 respectively, described chip U2 pin OUT3 is contact resistance R10 and stepper motor M pin 3 respectively, described chip U2 pin OUT4 is contact resistance R9 and stepper motor M pin 4 respectively, stepper motor M pin 5 connects power supply VCC.
2. motors of metering pumps control system according to claim 1, is characterized in that, described single-chip microcomputer U1 model is AT89C51, and described chip U2 model is ULN2003A.
3. motors of metering pumps control system according to claim 1, it is characterized in that, described chip U2 is in driving process, chip U2 plays the effect by control signal power amplification and signal inversion, and then stably steadily effectively give stepper motor M by the control signal of stepper motor, guarantee the normal operation of stepper motor M.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543128.8U CN204155153U (en) | 2014-09-19 | 2014-09-19 | A kind of motors of metering pumps control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543128.8U CN204155153U (en) | 2014-09-19 | 2014-09-19 | A kind of motors of metering pumps control system |
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| Publication Number | Publication Date |
|---|---|
| CN204155153U true CN204155153U (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420543128.8U Expired - Fee Related CN204155153U (en) | 2014-09-19 | 2014-09-19 | A kind of motors of metering pumps control system |
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| Country | Link |
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| CN (1) | CN204155153U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106582473A (en) * | 2016-11-29 | 2017-04-26 | 洛阳毅兴石化电器仪表设备有限公司 | Chemical engineering stirring equipment with driving device |
| CN106774462A (en) * | 2016-11-17 | 2017-05-31 | 浙江工业大学 | Using the detection of digital frequency conversion controller and the method for regulation flow under DCS environment |
| CN106763299A (en) * | 2016-11-28 | 2017-05-31 | 林桂清 | A kind of agricultural machinery handle control |
-
2014
- 2014-09-19 CN CN201420543128.8U patent/CN204155153U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774462A (en) * | 2016-11-17 | 2017-05-31 | 浙江工业大学 | Using the detection of digital frequency conversion controller and the method for regulation flow under DCS environment |
| CN106763299A (en) * | 2016-11-28 | 2017-05-31 | 林桂清 | A kind of agricultural machinery handle control |
| CN106582473A (en) * | 2016-11-29 | 2017-04-26 | 洛阳毅兴石化电器仪表设备有限公司 | Chemical engineering stirring equipment with driving device |
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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 |
Granted publication date: 20150211 Termination date: 20170919 |
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| CF01 | Termination of patent right due to non-payment of annual fee |