CN112557009A - Automatic detection system for microswitch - Google Patents
Automatic detection system for microswitch Download PDFInfo
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- CN112557009A CN112557009A CN202011388436.4A CN202011388436A CN112557009A CN 112557009 A CN112557009 A CN 112557009A CN 202011388436 A CN202011388436 A CN 202011388436A CN 112557009 A CN112557009 A CN 112557009A
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- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 238000012360 testing method Methods 0.000 claims abstract description 93
- 238000009413 insulation Methods 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000015556 catabolic process Effects 0.000 claims 3
- 238000007689 inspection Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention provides an automatic detection system of a microswitch, which consists of control software and equipment hardware. The software of the system mainly comprises a test program and a related operation interface program; the equipment hardware passes through the modularized design, possesses the characteristics that can dismantle, flexible combination once more, mainly comprises stroke testing arrangement, controller, starting switch, contact resistance tester, withstand voltage insulation tester, test board and electric box. The invention can solve the problems that the manual testing efficiency of switch detection is low and the comprehensive parameters can not be tested by a single machine, achieves the aim of completing the test of multiple comprehensive parameters by one device, realizes the automatic test of the mechanical performance parameters of the microswitch and improves the testing efficiency.
Description
Technical Field
The invention relates to an automatic detection system of a microswitch.
Background
The automatic detection system for the microswitch is used for realizing the automatic test of the mechanical performance of the microswitch, and mainly comprises the test of comprehensive parameters of the microswitch, such as action stroke, differential stroke, over stroke, action force, release force, contact resistance, medium voltage resistance and insulation resistance. At present, an automatic detection system for testing the mechanical performance of the microswitch is not applied in the market and the technical achievements which can be consulted, only a manual testing mode can be adopted for the type of test, namely, the testing of parameters of action stroke, differential stroke, over stroke, action force and release force can be carried out only by means of combination of hands and eyes, and the testing of parameters of contact resistance, medium voltage resistance and insulation resistance can be carried out by three instruments, so that the parallel testing of a plurality of parameters in a single station can not be completed.
Disclosure of Invention
The invention aims to provide an automatic detection system for a microswitch.
In order to solve the above problems, the present invention provides an automatic detection system for a microswitch, comprising:
testing the machine table;
the controller is arranged on the test board;
the starting switch, the stroke testing device, the electric box, the contact resistance tester and the voltage-resistant insulation tester are respectively connected with the controller.
Further, in the above system, further comprising system software provided in the controller, the system software includes: the device comprises a user login module, an automatic test module and a setting module.
Further, in the system, the user login module is configured to monitor user login and log in according to the matched user name and password.
Further, in the above system, the automatic test module is configured to perform power-on connection and communication connection on the device, and complete automatic testing of parameters through program-controlled operation on the test instrument and the stroke test apparatus.
Further, in the above system, the setting module is configured to provide input of motion parameters on the interface, and set and adjust a motion state of the stroke testing device.
Further, in the system, the controller is configured to control the hardware device, interact and manage data, perform servo control on the mobile motion platform, acquire data of the sensor in real time, and control and acquire data of the contact resistance tester and the insulation withstand voltage tester.
Further, in the above system, the starting switch is used for controlling power on and power off of the system.
Further, in the above system, the contact resistance tester is configured to test the contact resistance between the closed contacts of the micro switch.
Further, in the above system, the voltage withstand insulation tester is used for testing insulation resistance and dielectric withstand voltage parameters between the non-closed contacts of the micro switch.
Further, in the system, the test machine is used for placing and installing the stroke test device and providing a micro switch test operation platform.
Compared with the prior art, the automatic detection system for the microswitch is mainly composed of control software and equipment hardware. The software of the system mainly comprises a test program and a related operation interface program; the equipment hardware passes through the modularized design, possesses the characteristics that can dismantle, flexible combination once more, mainly comprises stroke testing arrangement, controller, starting switch, contact resistance tester, withstand voltage insulation tester, test board and electric box. The invention can solve the problems that the manual testing efficiency of switch detection is low and the comprehensive parameters can not be tested by a single machine, achieves the aim of completing the test of multiple comprehensive parameters by one device, realizes the automatic test of the mechanical performance parameters of the microswitch and improves the testing efficiency.
Drawings
Fig. 1 is a schematic diagram of a first external structure of an automatic detection system for a microswitch according to an embodiment of the invention;
FIG. 2 is a second external structural diagram of an automatic micro-switch detection system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an internal structure of an automatic micro-switch detection system according to an embodiment of the present invention;
FIG. 4 is a flow chart of the testing of the automatic micro-switch detection system according to an embodiment of the present invention;
description of reference numerals: 1, testing a machine table; 2, a controller; 3 starting a switch; 4 stroke testing device; 5 an electric box; 6, a contact resistance tester; 7, a withstand voltage insulation tester;
4-1 servo motor; 4-2 adjusting the device; 4-3, belt transmission; 4-4 harmonic speed reduction; 4-5 of a coupler; 4-6 servo transmission; 4-7 shaft end stop blocks; 4-8 guide rails; 4-9 electronic limiting; 4-10 sliding blocks; 4-11 centering the base; 4-12 knobs; 4-13 digital display; 4-14 centering adjusting plates; 4-15 locking devices; 4-16 circuit board mounting brackets; 4-17 screw rods; 4-18 displacement sensors; 4-19 circuit boards; 4-20 switches to be tested; 4-21 force sensors; 4-22 force sensor mounts; 4-23 displacement deflector rods; 4-24 bottom plates.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 and 2, the present invention provides an automatic detection system for a microswitch, comprising:
a test machine 1;
a controller 2 arranged on the test board 1;
the device comprises a starting switch 3, a stroke testing device 4, an electric box 5, a contact resistance tester 6 and a voltage-resistant insulation tester 7 which are respectively connected with the controller 2.
The automatic detection system of the microswitch mainly comprises control software and equipment hardware. The software of the system mainly comprises a test program and a related operation interface program; the equipment hardware passes through the modularized design, possesses the characteristics that can dismantle, flexible combination once more, mainly comprises stroke testing arrangement, controller, starting switch, contact resistance tester, withstand voltage insulation tester, test board and electric box. The invention can solve the problems that the manual testing efficiency of switch detection is low and the comprehensive parameters can not be tested by a single machine, achieves the aim of completing the test of multiple comprehensive parameters by one device, realizes the automatic test of the mechanical performance parameters of the microswitch and improves the testing efficiency.
In an embodiment of the automatic detection system for a microswitch of the present invention, the system further includes system software disposed in the controller 2, the system software includes: the device comprises a user login module, an automatic test module and a setting module.
In an embodiment of the automatic detection system for the microswitch, the user login module is used for monitoring user login and logging in according to a matched user name and a matched password.
In an embodiment of the automatic detection system for the microswitch, the automatic test module is used for performing power-on connection and communication connection on equipment, and completing automatic test of parameters through program control operation of a test instrument and a stroke test device.
In an embodiment of the automatic detection system for the microswitch, the setting module is used for providing motion parameter input on the interface, and setting and adjusting a motion state of the stroke testing device.
In an embodiment of the automatic detection system for the microswitch, the controller is used for controlling hardware equipment, interacting and managing data, performing servo control on the mobile motion platform, acquiring data of the sensor in real time, and controlling and acquiring data of the contact resistance tester and the insulation voltage resistance tester.
In an embodiment of the automatic detection system for the microswitch of the present invention, the start switch 3 is used for controlling the power on and off of the system.
In an embodiment of the automatic detection system for the microswitch, the contact resistance tester is used for testing the contact resistance between the closed contacts of the microswitch.
In an embodiment of the automatic detection system for the microswitch, the withstand voltage insulation tester is used for testing the insulation resistance and the dielectric withstand voltage parameter (leakage current) between the non-closed contacts of the microswitch.
In an embodiment of the automatic detection system for the microswitch, the test machine is used for placing and installing a stroke test device and providing a microswitch test operation platform.
In an embodiment of the automatic detection system for the microswitch, the electrical box is used for installing a switching power supply, a signal conditioner, a lead and a wiring terminal.
In one embodiment of the automatic detection system for the microswitch, the stroke testing device 4 comprises a movable workbench, a precise servo transmission system, a microswitch centering device, a force sensor and a displacement sensor, wherein the movable workbench comprises a precise ball screw and a guide rail, and the precise servo transmission system comprises a servo motor, a planetary speed reducer, a belt wheel, a belt tension, a harmonic speed reducer and an installation base; the microswitch centering device comprises a centering and clamping mechanism, a tooling plate base, a V-shaped cross rod guide rail and a module tooling plate; the centering and clamping mechanism is designed on the upper part of the movable sliding block in a mounting plate mode, and is convenient to move together with the sliding block to realize parameter measurement of the pre-stroke, the over-stroke, the differential stroke, the action force, the release force and the like of the micro switch. .
In one embodiment of the automatic detection system for the microswitch, the movable workbench comprises an axial pre-tightening zero-clearance ball screw, a self-lubricating maintenance-free linear guide rail, a fixed end, a supporting end and a precise mounting base.
Specifically, fig. 3 includes: a servo motor 4-1; an adjusting device 4-2; 4-3 of belt transmission; harmonic deceleration 4-4; 4-5 of a coupler; 4-6 of servo transmission; a shaft end stop block 4-7; 4-8 parts of guide rail; electronic limit 4-9; 4-10 parts of a sliding block; 4-11 of a centering base; 4-12 of a knob; 4-13 of digital display; centering and adjusting plates 4-14; 4-15 parts of locking device; circuit board mounting brackets 4-16; 4-17 parts of screw rod; displacement sensors 4-18; circuit boards 4-19; 4-20 parts of a switch to be tested; force sensors 4-21; force sensor supports 4-22; 4-23 of a displacement deflector rod; bottom plates 4-24.
The working process, as shown in fig. 4, is a three-stage test:
in the first stage, electrical parameters are directly tested, and medium withstand voltage test, insulation resistance test and normally closed contact resistance test are sequentially completed after a test sample is clamped;
the second stage is mechanical parameter and electrical parameter testing in the action stroke process, the action stroke testing, the action force testing, the medium voltage withstanding testing, the insulation resistance testing and the normally open contact resistance testing are sequentially completed, then the mechanical parameter testing in the overtravel process is performed, and the overtravel testing is completed;
and the third stage is a mechanical parameter test in the differential stroke process, and the differential stroke test and the release force test are completed in sequence.
The invention has the following characteristics:
1. because the system adopts a closed loop system consisting of a servo controller, a servo motor, a transmission device (a screw rod and a guide rail), a displacement sensor, a force sensor and the like, the motion precision of the device can be further improved through the double closed loop control of force and displacement, and the displacement precision is 0.0035 mm.
2. Because the centering and clamping mechanism is arranged on the upper part of the movable sliding block in the mode of the mounting plate, the system is convenient to move together with the sliding block to realize the parameter measurement of the micro switch, and the problem that one mounting plate is used for measuring different types of micro switches is solved.
3. Because the system software uses servo control and multichannel parallel technology, a group of comprehensive parameter test operations including mechanical parameters, electrical parameters and electronic parameters can be completed in one key mode, and meanwhile, the real-time recording and storage of test data are completed.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It will be apparent to those skilled in the art that various changes and modifications may be made in the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An automatic detection system for a microswitch, comprising:
testing the machine table;
the controller is arranged on the test board;
the starting switch, the stroke testing device, the electric box, the contact resistance tester and the voltage-resistant insulation tester are respectively connected with the controller.
2. The microswitch automatic detection system of claim 1, further comprising system software disposed in the controller, the system software comprising: the device comprises a user login module, an automatic test module and a setting module.
3. The microswitch automatic detection system of claim 1, wherein the user login module is configured to monitor user login and log in based on a matching user name and password.
4. The automatic microswitch inspection system of claim 3 wherein the automatic test module is configured to provide power-on and communication connections to the device to perform automatic testing of the parameters through programmed operation of the test instrument and the trip test device.
5. The automatic microswitch detection system of claim 3 wherein the setting module is configured to provide input of motion parameters on the interface and to set and adjust the motion status of the stroke test device.
6. The automatic microswitch detection system of claim 3 wherein the controller is configured to control hardware devices and interact and manage data, servo control the mobile motion platform, collect sensor data in real time, and control and collect data from contact resistance testers and dielectric breakdown testers.
7. The automatic microswitch detection system of claim 1 wherein said start switch is configured to control power up and power down of the system.
8. The automatic microswitch testing system of claim 1 wherein said contact resistance tester is adapted to test the contact resistance between the closed contacts of the microswitch.
9. The automatic microswitch testing system of claim 1 wherein said dielectric breakdown tester is adapted to test the dielectric breakdown and insulation resistance parameters between the non-closed contacts of the microswitch.
10. The automatic microswitch testing system of claim 1 wherein the test machine is configured to place an installation stroke test device and provide a microswitch testing operation platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011388436.4A CN112557009A (en) | 2020-12-01 | 2020-12-01 | Automatic detection system for microswitch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011388436.4A CN112557009A (en) | 2020-12-01 | 2020-12-01 | Automatic detection system for microswitch |
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| Publication Number | Publication Date |
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| CN112557009A true CN112557009A (en) | 2021-03-26 |
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| CN202011388436.4A Pending CN112557009A (en) | 2020-12-01 | 2020-12-01 | Automatic detection system for microswitch |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113985130A (en) * | 2021-08-02 | 2022-01-28 | 上海精密计量测试研究所 | Automatic testing system and testing method for direct current resistance test of live wire electric connector |
| CN117890775A (en) * | 2024-01-18 | 2024-04-16 | 南京谷贝电气科技有限公司 | Micro-gap switch check-up system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Application publication date: 20210326 |
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