CN202748451U - Miniature circuit breaker integrated test stand - Google Patents

Miniature circuit breaker integrated test stand Download PDF

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Publication number
CN202748451U
CN202748451U CN 201220091137 CN201220091137U CN202748451U CN 202748451 U CN202748451 U CN 202748451U CN 201220091137 CN201220091137 CN 201220091137 CN 201220091137 U CN201220091137 U CN 201220091137U CN 202748451 U CN202748451 U CN 202748451U
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CN
China
Prior art keywords
unit
control
transmission
test stand
circuit breaker
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Expired - Fee Related
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CN 201220091137
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Chinese (zh)
Inventor
李永高
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李永高
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Priority to CN 201220091137 priority Critical patent/CN202748451U/en
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Publication of CN202748451U publication Critical patent/CN202748451U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to a miniature circuit breaker integrated test stand which comprises a program controlled fixture, an electric appliance testing unit and a control system. The test stand is characterized in that the program controlled fixture comprises a one-chip microcomputer, a control motor, a transmission mechanism and a conductive head, the electric appliance testing unit comprises an operating characteristic unit, a time-delay characteristic unit, a transient behavior unit, an earth leakage protection unit, a shut trip unit and a power frequency withstand voltage unit, and the control system comprises a PC, a PLC, a data acquistion card and control software. According to the miniature circuit breaker integrated test stand provided by the utility model, one installation of a sample can be completed on one test stand, and full or partial routine performance testing of circuit breakers of a variety of different models can be completed automatically.

Description

A kind of miniature circuit breaker multi-function test stand
Technical field
The utility model relates to a kind of miniature circuit breaker multi-function test stand, is particularly suitable for the various normal attributes of different model specification miniature circuit breaker are carried out comprehensive performance test.
Background technology
Isolating switch is most important a kind of protection electrical equipment in the electric system, plays key effect to protecting various confessions, Electrical Safety.In order to guarantee its product quality, must test the various performance index of isolating switch with testing table.A kind of estrade of traditional breaker test stand can only clamp a kind of isolating switch of model and test, a kind of estrade can only be done a pilot project, because the kind model of miniature circuit breaker is various, need the project of test also to have many, therefore need to make various breaker test stands to be fit to the needs of different model, different tests project, caused a large amount of equipment investments; Simultaneously, when needs carry out comprehensive performance test to the Multiple Type isolating switch, need on different testing tables, repeatedly carry out various tests, waste time and energy, sometimes even can't finish.
Summary of the invention
The purpose of this utility model is to provide the miniature circuit breaker multi-function test stand of a kind of applicable Multiple Type, different tests project needs.
In order to realize the foregoing invention purpose, the utility model has adopted following technical scheme:
A kind of miniature circuit breaker multi-function test stand; comprise program control anchor clamps, electrical apparatus test unit and control system; program control anchor clamps comprise single-chip microcomputer, control motor, gear train, conductive head; the electrical apparatus test unit comprises acting characteristic unit, time-delay characteristics unit, temporal properties unit, residual current protective unit, shunted exciter tripping unit, industrial frequency withstand voltage unit, and control system comprises PC, PLC, data collecting card and control software.When the isolating switch of certain model of needs when testing table is tested, the input relevant information, its control system can be sent corresponding signal, drive the control motor, drive by gear train that conductive head is made vertical direction and horizontal direction moves, the wire connection cavity and the Automatic-clamping test product that enter isolating switch to the desired location are tested.
Described program control anchor clamps gear train comprises vertical transmission mechanism and horizontal gear train, wherein vertical transmission mechanism has Left Drive mechanism and right gear train, comprise respectively vertical-transmission motor, drive lead screw, vertical guide shaft, vertical guide stem, installing plate, the conduction rack of anchor clamps is fixed on the installing plate, and the conduction pawl is fixed on the conduction rack; Wherein horizontal gear train comprises horizontal driving motor, drive link, transmission guide shaft, two reverse drive screws and two horizontal transmission nuts, and the vertical-transmission guide rod inserts in the horizontal transmission nut.
There are in advance various miniature circuit breakers in the described program control anchor clamps and clamp size for information about.When the isolating switch of certain model of needs when testing table is tested, the input relevant information, its control system can be sent corresponding signal, drive the control motor, drive by gear train that conductive head is made vertical direction and horizontal direction moves, the wire connection cavity and the Automatic-clamping test product that enter isolating switch to the desired location are tested.
Described acting characteristic unit comprises mechanical toggle mechanism and movement controller, and this toggle mechanism is pneumatic element or control motor.
Described time-delay characteristics unit comprises delaying current generator and constant-current controller; the temporal properties unit comprises momentary current generator and constant-voltage controller; the shunted exciter tripping unit comprises voltage generator and voltage controller; residual current protective unit comprises leakage current generator and constant-current controller, and the industrial frequency withstand voltage unit comprises power frequency high voltage generator and electric current and voltage controller.
Described electrical apparatus test unit can select in test all or part of unit to test.
Described control system comprises PC, PLC, data collecting card and control software, the control module of each test unit consists of a distributed measurement and control system by the RS-232/485 agreement, and its upper computer software adopts based on MICROSOFT ACCESS database and VB exploitation.The control module of each test unit consists of a distributed measurement and control system that is comprised of signal acquiring system by the RS-232/485 agreement, in order to show and the various test parameterss of automatic control, its upper computer software adopts based on MICROSOFT ACCESS database and VB exploitation, and test result can be directly prints with the form of Excel form.This control system can accomplish that test product once goes up machine, automatically finishes the various conventional tests of miniature circuit breaker.
When needs carry out certain circuit-breaker testing; scan or inputted by the PC keyboard model specification of tested isolating switch by the bar-code identification rifle; the information such as numbering; tested isolating switch is manually put into mounting clamp; select simultaneously the acting characteristic of isolating switch at the PC interface of testing table; time-delay characteristics; temporal properties; the earth leakage protection characteristic; the shunted exciter tripping characteristic; the all or part of pilot project of industrial frequency withstand voltage characteristic; set the related tests parameter; click the on-test key; the control system of testing table is namely according to the information of obtaining; at first clamp cylinder and advance pushing block; in mounting clamp, compress tested isolating switch; PLC sends control signal simultaneously; drive the control motor and pass through gear train; band moving conductive pawl moves as horizontal and vertical; after arriving the relevant position, automatically enter wire connection cavity and afterburning compression of isolating switch, thereby begin the various tests of carrying out isolating switch by the pilot project of setting and parameter.In test, can show in real time various operating condition of test, after test is finished, can be according to the test findings automatic decision whether qualified and preserve various test figures.
Description of drawings
Fig. 1: the utility model control system functional-block diagram;
Fig. 2: the program control anchor clamps upper junction of the utility model composition;
Fig. 3: the program control anchor clamps lower junction of the utility model composition;
Fig. 4: the program control clip vertical actuating mechanism of the utility model figure.
At Fig. 2,3,4,1 is that mounting clamp, 10 is that clamping cylinder, 12 is slurcam for testing isolating switch, 11 among the figure, 2 is that clamp head, 21 is that conduction pawl, 22 is conduction rack, 3 is clamp bottom board, 4 is horizontal driving motor, 5 is that horizontal drive shaft, 9 is that transmission guide shaft, 51 is that fixed support, 52,53 is that transmission screw, 54,55 is that transmission nut, 56 is buckled for screw keeps off, 6 is that vertical drive shaft, 60 is that drive lead screw, 61 vertical guide stem, 62 are that at right angle setting plate, 63 is that vertical guide shaft, 64 is motor mounting plate, and 7,8 is the vertical-transmission motor.
Embodiment
Embodiment: the utility model provides a kind of System for Circuit Breaker testing table, can be on a testing table, accomplish that test product once installs, and automatically finish all or part of traditional performance test of various different model isolating switchs.The miniature circuit breaker multi-function test stand that present embodiment provides; comprise program control anchor clamps, electrical apparatus test unit and control system; program control anchor clamps comprise single-chip microcomputer, control motor, gear train, conductive head; the electrical apparatus test unit comprises acting characteristic unit, time-delay characteristics unit, temporal properties unit, residual current protective unit, shunted exciter tripping unit, industrial frequency withstand voltage unit, and control system comprises PC, PLC, data collecting card and control software.Described program control anchor clamps gear train comprises vertical transmission mechanism and horizontal gear train, wherein vertical transmission mechanism has Left Drive mechanism and right gear train, comprise respectively vertical-transmission motor 7 and 8, drive lead screw 60, vertical guide shaft 63, vertical guide stem 61, installing plate, the conduction rack 22 of anchor clamps is fixed on the installing plate, and conduction pawl 21 is fixed on the conduction rack 22; Wherein horizontal gear train comprises horizontal driving motor 4, horizontal drive shaft 5, transmission guide shaft 9, two reverse drive screws 52,53 and two horizontal transmission nuts 54,55, and vertical guide stem 61 is inserted in the horizontal transmission nut.There are in advance various miniature circuit breakers in the described program control anchor clamps and clamp size for information about.Described acting characteristic unit comprises mechanical toggle mechanism and movement controller, and this toggle mechanism is pneumatic element; Described time-delay characteristics unit comprises delaying current generator and constant-current controller; the temporal properties unit comprises momentary current generator and constant-voltage controller; the shunted exciter tripping unit comprises voltage generator and voltage controller; residual current protective unit comprises leakage current generator and constant-current controller, and the industrial frequency withstand voltage unit comprises power frequency high voltage generator and electric current and voltage controller.
Need to do a model such as testing table is DZ47, the time-delay characteristics of four minimal type isolating switchs, when temporal properties and power frequency withstand test, by the bar-code identification rifle or from keyboard input test product model specification and numbering, with the tested isolating switch mounting clamp 1 of packing into, select simultaneously good pilot project at the PC interface, press the on-test key, be installed in the inlet open that clamps on the cylinder, clamping cylinder piston promotion slurcam 12 is fixed on tested isolating switch 10 in the mounting clamp, simultaneously, the information of being obtained by PC, export various control signals through the PLC analytical calculation, input control motor 4 after amplifying, 7,8, as shown in Figure 4, control motor 7 is installed on the vertically-acting installing plate 64, vertically-acting guide rod 63 also is fixed on its installing plate 64, vertical drive shaft 6 is fixed on the at right angle setting plate 62 with vertical guide shaft 63, conduction pawl 21 is fixed on the installing plate 62 by mounting bracket 22, after obtaining signal, vertical control motor 7 rotates, rotate by drive lead screw 60, drive is installed on the plate 62 4 conduction pawls and moves up and down and obtain the desired position, in like manner, vertically controlling 4 conductive heads of motor 8 drive another sides moves up and down to desired location; And for example shown in Figure 3, horizontal driving motor 4 is fixed on the clamp bottom board 3 by support, its drive link 5 also is fixed on the clamp bottom board 3 by support 51, drive lead screw 52,53 buckle 56 by the screw gear is fixed on the transmission shaft 5, at transmission screw cover two transmission nuts 54 are arranged, 55, vertical guide stem 61 is inserted in the transmission nut simultaneously, after obtaining signal, horizontal driving motor 4 rotates, driving the transmission screw by drive link 5 rotates, because transmission screw 52,53 hand of spiral is opposite, thereby make transmission nut drive by vertical guide stem 61 that vertically-acting mechanisms make level in opposite directions or mobile dorsad, the conduction pawl enters the wire connection cavity of tested isolating switch after arrival needs the position, this moment two vertically-acting motors 7,8 rotate again, the drive gripper jaws moves upward gripper jaws is held out against in the wire connection cavity of tested isolating switch, thereby begins isolating switch 10 is carried out energizing test.
After test product clamps, as shown in Figure 1, PLC is according to PC interface optional test project, send instruction to delay controller, instantaneons exposure controller and withstand voltage controller, make corresponding current feedback circuit, voltage generator produce required test current and trial voltage, by conductive head isolating switch is carried out related tests.Data acquisition card Real-time Collection test signal returns PLC in the process of the test, PLC is namely according to the information that obtains, send at any time instruction to delay controller, instantaneons exposure controller and electric current and voltage controller, make it to remain in test that the constant power frequency high voltage that the constant test current of time-delay characteristics, temporal properties carries out the time-delay characteristics of isolating switch, temporal properties are tested and carry out in setting the leakage current scope carries out power frequency withstand test.During test, testing table can show operating condition of test in real time, and after test was finished, control system can be according to test findings, and whether qualified automatic decision is, and building database records test figure simultaneously, in order to print and inquiry.

Claims (3)

1. miniature circuit breaker multi-function test stand, comprise program control anchor clamps, electrical apparatus test unit and control system, it is characterized in that: program control anchor clamps comprise single-chip microcomputer, control motor, gear train, conductive head, the electrical apparatus test unit comprises acting characteristic unit, time-delay characteristics unit, temporal properties unit, residual current protective unit, shunted exciter tripping unit, industrial frequency withstand voltage unit, and control system comprises PC, PLC, data collecting card and control software; Described program control anchor clamps gear train comprises vertical transmission mechanism and horizontal gear train, wherein vertical transmission mechanism has Left Drive mechanism and right gear train, comprise respectively vertical-transmission motor, drive lead screw, vertical guide shaft, vertical guide stem, installing plate, the conduction rack of anchor clamps is fixed on the installing plate, and the conduction pawl is fixed on the conduction rack; Wherein horizontal gear train comprises horizontal driving motor, drive link, transmission guide shaft, two reverse drive screws and two horizontal transmission nuts, and the vertical-transmission guide rod inserts in the horizontal transmission nut.
2. a kind of miniature circuit breaker multi-function test stand according to claim 1, it is characterized in that: described acting characteristic unit comprises mechanical toggle mechanism and movement controller, this toggle mechanism is pneumatic element or control motor.
3. a kind of miniature circuit breaker multi-function test stand according to claim 1; it is characterized in that: described time-delay characteristics unit comprises delaying current generator and constant-current controller; the temporal properties unit comprises momentary current generator and constant-voltage controller; the shunted exciter tripping unit comprises voltage generator and voltage controller; residual current protective unit comprises leakage current generator and constant-current controller, and the industrial frequency withstand voltage unit comprises power frequency high voltage generator and electric current and voltage controller.
CN 201220091137 2012-03-12 2012-03-12 Miniature circuit breaker integrated test stand Expired - Fee Related CN202748451U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220091137 CN202748451U (en) 2012-03-12 2012-03-12 Miniature circuit breaker integrated test stand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220091137 CN202748451U (en) 2012-03-12 2012-03-12 Miniature circuit breaker integrated test stand

Publications (1)

Publication Number Publication Date
CN202748451U true CN202748451U (en) 2013-02-20

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Application Number Title Priority Date Filing Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104090232A (en) * 2014-07-04 2014-10-08 天津市百利电气有限公司 Circuit breaker short-circuit current test table
CN108064345A (en) * 2017-11-10 2018-05-22 苏州富强科技有限公司 For testing the test device of special-shaped component high pressure watertight sexual function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104090232A (en) * 2014-07-04 2014-10-08 天津市百利电气有限公司 Circuit breaker short-circuit current test table
CN104090232B (en) * 2014-07-04 2017-01-11 天津市百利电气有限公司 Circuit breaker short-circuit current test table
CN108064345A (en) * 2017-11-10 2018-05-22 苏州富强科技有限公司 For testing the test device of special-shaped component high pressure watertight sexual function
CN108064345B (en) * 2017-11-10 2020-12-25 苏州富强科技有限公司 Testing device for testing high-pressure water tightness function of special-shaped component

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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: 20130220

Termination date: 20140312