CN206054877U

CN206054877U - A kind of intelligent drive device for the test of electromagnetic valve response characteristic

Info

Publication number: CN206054877U
Application number: CN201620222343.7U
Authority: CN
Inventors: 孟娜; 刘钰琼; 王宝新
Original assignee: Shenyang Aerospace Xinguang Group Co Ltd
Current assignee: Shenyang Aerospace Xinguang Group Co Ltd
Priority date: 2016-03-18
Filing date: 2016-03-18
Publication date: 2017-03-29
Anticipated expiration: 2026-03-18

Abstract

This utility model is related to a kind of intelligent drive device for the test of electromagnetic valve response characteristic, including single chip machine controlling circuit, optical coupling isolation circuit, working power, drive circuit, Releasing loop and Electromagnetic Valve Circuit.By being configured to single-chip microcomputer, easy man-machine interaction is carried out in the form of button with numeral method, by arranging control drive pattern, single-chip microcomputer exports different electromagnetic valve action commands, Jing light-coupled isolations and the drive circuit of power amplification, form electromagnetic valve action executing voltage.The intelligent apparatus simple system reliability, is easy to tester to operate, and drive circuit combines the structure of Electromagnetic Valve Circuit and Releasing loop in addition, there is provided response current and the accurate test point of voltage, using showing that equipment safety reliability meets the driving demand of electromagnetic valve response characteristic verification test.

Description

A kind of intelligent drive device for the test of electromagnetic valve response characteristic

Technical field

This utility model is related to a kind of intelligent drive device for the test of fast electromagnetic valve response characteristic, belongs to electromagnetic valve Drive Control Technique field.

Background technology

Electromagnetic valve is extensively applied in industrial control fields such as automobile, ship, flight devices, used as the important composition portion of system Point, especially the capability of fast response and reliability of fast electromagnetic valve, directly determines the quality of systematic function, therefore valve body is produced Product dispatch from the factory before response characteristic detection it is particularly critical.At present, China is used for the electromagnetic valve actuator equipment for detecting response characteristic Mainly there are two kinds, a kind of is scientific research and the new-product development for electromagnetic valve, detect based on static test；One kind is for electricity Magnet valve commercial production, the semi-artificial semi-automatic mode in loop of the detection meanss to be made up of power supply, coil, switch.And it is quick The response characteristic test step of electromagnetic valve is particularly complicated and strict, the accuracy of its testing result, stability and measurement efficiency etc. Aspect also complies with one's wishes not to the utmost.

Utility model content

The purpose of this utility model, is to solve existing electromagnetic valve actuator complex structure, and high cost is cumbersome, And the driving demand of the high precision measurement for being switched on and off fast response characteristic can not be taken into account, there is provided it is a kind of to be used for fast electromagnetic valve The intelligent drive device of response characteristic test, the plant running reliability, with high efficiency and high-precision feature.This utility model Technical scheme it is as follows：

A kind of intelligent drive device for the test of electromagnetic valve response characteristic, including single chip machine controlling circuit, light-coupled isolation Circuit, working power, drive circuit, Releasing loop and Electromagnetic Valve Circuit；The drive signal output of the single chip machine controlling circuit Port is connected with optical coupling isolation circuit；The optical coupling isolation circuit is connected with drive circuit, the drive circuit and the electromagnetism Valve loop is connected with Releasing loop；The working power is single chip machine controlling circuit and drive circuitry.

The single chip machine controlling circuit includes single-chip microcomputer, ISP download interfaces, reset circuit, crystal oscillating circuit, auditory tone cueses electricity Road, display circuit and control button, ISP download interfaces, reset circuit, crystal oscillating circuit, auditory tone cues electric circuit, display circuit and control Button processed is connected with single-chip microcomputer.

Preferably, model ATmega128 that single-chip microcomputer is adopted, crystal oscillating circuit is 8MHz, and auditory tone cues electric circuit utilizes honeybee Ring device pipes and is pointed out, and control button includes eight buttons, eight buttons respectively to show check, on/off, suspend/ Stop, resetting/reset, selecting number of times, PWM1 model selections, PWM2 model selections, the function of starting to be controlled, display circuit Number of times is driven using eight common cathode numeral methods number of times is driven with arranging.

Preferably, model PC817 that the light-coupled isolation chip of optical coupling isolation circuit is adopted.

Preferably, NPN Darlington power transistor of the drive circuit using model TIP127, its emitter stage is with driving power supply just Extremely be connected, colelctor electrode by Electromagnetic Valve Circuit it is in parallel with Releasing loop after be grounded.

Preferably, Electromagnetic Valve Circuit includes accurate sampling resistor and solenoid valve interface circuit, and sampling resistor is to monitor electricity The response current of magnet valve.

Preferably, the blood pressure lowering DC/DC converter models that working power circuit is adopted are for TD1507T5.

Preferably, electromagnetic valve Releasing loop is composed in series with energy consumption resistor by fly-wheel diode.

The good effect that this utility model reaches：By output driving instruction is controlled to single-chip microcomputer, and carry out rationally Drive, realize control model flexibility, meet the drive magnetic valve under unloaded and loading environment carry out being powered, action, response it is special Property with the electric performance test such as life-span.Using showing, the intelligent drive device simple structure, low cost, workable, interface electricity Road flexibility and reliability, and realize improving production efficiency and ensure the quality of finished product.

Description of the drawings

Fig. 1 is this utility model system structure schematic block diagram.

Fig. 2 is this utility model singlechip control part circuit diagram.

Fig. 3 is this utility model driving circuit for electromagnetic valve figure.

Fig. 4 is utility model works power circuit diagram.

Specific embodiment

Content and instantiation are illustrated to this utility model below in conjunction with the accompanying drawings.

Embodiment

A kind of intelligent drive device for the test of electromagnetic valve response characteristic, as shown in figure 1, including Single-chip Controlling electricity Road, optical coupling isolation circuit, working power, drive circuit, Releasing loop and Electromagnetic Valve Circuit；The drive of the single chip machine controlling circuit Dynamic signal output port is connected with optical coupling isolation circuit；The optical coupling isolation circuit is connected with drive circuit, the drive circuit It is connected with the Electromagnetic Valve Circuit and Releasing loop；The working power is single chip machine controlling circuit and drive circuitry.

The single chip machine controlling circuit includes single-chip microcomputer, ISP download interfaces, reset circuit, crystal oscillating circuit, auditory tone cueses electricity Road, display circuit and control button, ISP download interfaces, reset circuit, crystal oscillating circuit, auditory tone cues electric circuit, display circuit and control Button processed is connected with single-chip microcomputer；Model ATmega128 that single-chip microcomputer is adopted, crystal oscillating circuit is 8MHz, auditory tone cues electric circuit profit Counted with buzzer, control button includes eight buttons, eight buttons respectively to show check, on/off, suspend/ Stop, resetting/reset, selecting number of times, PWM1 model selections, PWM2 model selections, the function of starting to be controlled, display circuit Number of times is driven using eight common cathode numeral methods number of times is driven with arranging.

Model PC817 that the light-coupled isolation chip of optical coupling isolation circuit is adopted；Drive circuit adopts model TIP127 NPN Darlington power transistors, its emitter stage is connected with driving power supply positive pole, and colelctor electrode is in parallel with Releasing loop by Electromagnetic Valve Circuit After be grounded；Electromagnetic Valve Circuit includes accurate sampling resistor and solenoid valve interface circuit, and sampling resistor is to monitor the sound of electromagnetic valve Induced current；The blood pressure lowering DC/DC converter models that working power circuit is adopted are for TD1507T5；Electromagnetic valve Releasing loop is by afterflow two Pole pipe is composed in series with energy consumption resistor.

Single chip machine controlling circuit as shown in Fig. 2 after device is powered, power supply indicator D2 is bright, the 1st, 2 displays of charactron Initial value the 00, the 4th ~ 8 to drive number of times is shown as driving number of times to calculate initial value 00000, and the 3rd is separator, only It is bright when inspection is shown.S1-S8 is menu setting button, wherein, S1 checks that to show charactron is all lighted when pressing；S2 For on/off, PB5 mouths output open command, PB5 mouths driving instruction when pressing again when pressing；S3 is time-out/stopping, when In continuous several times drive pattern when, can interrupt after the last shut-off instruction is performed when pressing S3, if immediately pressing beginning Button S8 can recover to interrupt, if pushing button S4 again, that is, reset/reset, then remove current drive pattern；S5 is continuously opened to arrange Number of times is opened, by a kind of next time changeable selection, 5,10,100,1000,2000,3000,5000,10000 can be arranged altogether, respectively A, C, 0.1,1,2,3,5,10 are shown as, unit is thousand；S6 is that PWM2 selection patterns, i.e. setting PB5 alternating output cycles are 100ms's opens and shuts off instruction；S7 is that PWM1 selects pattern, that is, arrange PB5 and replace output cycle opening and shutting off for 1S Instruction；To start button, after PWM selection patterns and Continuous Drive number of times is arranged, after pressing S8, PB5 starts output order to S8, D3 light emitting diodes indicate that to output situation charactron the 4th ~ 8 starts meter and drives number of times, when the drive for reaching setting simultaneously Stop output driving instruction after dynamic number of times, while PD6 output auditory tone cueses signals.

The square wave command signal of single-chip microcomputer PB5 ports output, sends into power driver module Jing after light-coupled isolation, forms square wave Driving voltage, circuit are as shown in Figure 3.In figure, Releasing loop is by diode IN5822 and 100 Ω resistant series, interface P4 and P5 with The adapter that electromagnetic valve need to be surveyed is connected, and interface P4 and P3 is sample rate current monitoring point.

The working power circuit of device as shown in figure 4, the input of 24V direct currents is powered for drive module, it is converted after 5V it is electric Press and power for single-chip computer control system.

Protection domain of the present utility model is defined by claim, is not limited by specific embodiment.

Claims

1. it is a kind of for electromagnetic valve response characteristic test intelligent drive device, it is characterised in that including single chip machine controlling circuit, Optical coupling isolation circuit, working power, drive circuit, Releasing loop and Electromagnetic Valve Circuit；The driving of the single chip machine controlling circuit Signal output port is connected with optical coupling isolation circuit；The optical coupling isolation circuit is connected with drive circuit, the drive circuit with The Electromagnetic Valve Circuit is connected with Releasing loop；The working power is single chip machine controlling circuit and drive circuitry.

2. it is according to claim 1 it is a kind of for electromagnetic valve response characteristic test intelligent drive device, it is characterised in that The single chip machine controlling circuit includes single-chip microcomputer, ISP download interfaces, reset circuit, crystal oscillating circuit, auditory tone cues electric circuit, display Circuit and control button, ISP download interfaces, reset circuit, crystal oscillating circuit, auditory tone cues electric circuit, display circuit and control button It is connected with single-chip microcomputer.

3. it is according to claim 2 it is a kind of for electromagnetic valve response characteristic test intelligent drive device, it is characterised in that Model ATmega128 that single-chip microcomputer is adopted, crystal oscillating circuit is 8MHz, and auditory tone cues electric circuit is carried using buzzer call Show, control button includes eight buttons, eight buttons respectively to show check, on/off, suspend/stop, resetting/reset, Number of times, PWM1 model selections, PWM2 model selections, the function of starting is selected to be controlled, display circuit utilizes eight common cathode numbers Code pipe shows that driving number of times drives number of times with arranging.

4. it is according to claim 1 it is a kind of for electromagnetic valve response characteristic test intelligent drive device, it is characterised in that Model PC817 that the light-coupled isolation chip of described optical coupling isolation circuit is adopted.

5. it is according to claim 1 it is a kind of for electromagnetic valve response characteristic test intelligent drive device, it is characterised in that NPN Darlington power transistor of the described drive circuit using model TIP127, its emitter stage are connected with driving power supply positive pole, are collected Electrode by Electromagnetic Valve Circuit it is in parallel with Releasing loop after be grounded.

6. it is according to claim 1 it is a kind of for electromagnetic valve response characteristic test intelligent drive device, it is characterised in that Described Electromagnetic Valve Circuit includes accurate sampling resistor and solenoid valve interface circuit, and sampling resistor is to monitor the response of electromagnetic valve Electric current.

7. it is according to claim 1 it is a kind of for electromagnetic valve response characteristic test intelligent drive device, it is characterised in that The blood pressure lowering DC/DC converter models that described working power circuit is adopted are for TD1507T5.

8. it is according to claim 1 it is a kind of for electromagnetic valve response characteristic test intelligent drive device, it is characterised in that Described Releasing loop is composed in series with energy consumption resistor by fly-wheel diode.