CN210142168U - Residual current protection circuit breaker aging testing machine - Google Patents

Residual current protection circuit breaker aging testing machine Download PDF

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Publication number
CN210142168U
CN210142168U CN201920845705.1U CN201920845705U CN210142168U CN 210142168 U CN210142168 U CN 210142168U CN 201920845705 U CN201920845705 U CN 201920845705U CN 210142168 U CN210142168 U CN 210142168U
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China
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test
computer
digital display
switch
module
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CN201920845705.1U
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刘少华
陈洋斌
庄勇
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XIAMEN LEELEN ELECTRICAL CONTROL TECHNOLOGY Co Ltd
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XIAMEN LEELEN ELECTRICAL CONTROL TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a residual current protection circuit breaker aging tester, including host computer, collection card, programme-controlled source, relay module, many contactor module, safety inspection module, digital display table, power module, switch and pilot lamp; the upper computer is a touch screen integrated upper computer and is used for providing a test interface operation environment, and the upper computer acquires the equipment information of the program control source and the acquisition card in real time through software logic, issues an instruction to the program control source and the acquisition card, realizes automatic control and stores test data; the acquisition card is connected with the upper computer in a bidirectional mode, and is connected with the indicator light and the keys simultaneously and used for achieving data acquisition and instruction control. The utility model provides a residual current protection circuit breaker aging testing machine has easy and simple to handle, requires lowly to the tester, and test time is short, the accurate advantage of test result.

Description

Residual current protection circuit breaker aging testing machine
Technical Field
The utility model relates to an electronic circuit technical field, concretely relates to residual current protection circuit breaker aging testing machine.
Background
And the residual current is the current with the sum of phase current vectors of all the phases in the low-voltage distribution line being not zero. When an accident occurs at the electricity utilization side, the current flows to the ground from the charged body through the human body, so that the I phase and I phase of the current in the inlet and outlet wires of the main circuit are unequal in magnitude, and the instantaneous vector synthesis effective value of the current is called residual current and is commonly called leakage current. In order to ensure the stability of products, most electronic products have a link of aging, and particularly in the equipment industry with high safety requirements, such as residual current protection equipment, aging test equipment is a good choice. The safety of the testing equipment of the residual current controllers in the market is not high; the automation degree is low, the number of parts needing manual operation is large, leakage protection is not provided, and the safety is relatively low; the test data can not generate reports and needs to be recorded manually, the defects result in long product test time, more personnel investment and higher requirement on testers, the use and operation methods of related test equipment need to be mastered, and meanwhile, the problem that the test result is easy to introduce artificial subjective errors exists.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
For solving the technical problem, the utility model provides a residual current protection circuit breaker aging testing machine has easy and simple to handle, requires lowly to the tester, and test time is short, the accurate advantage of test result.
(II) technical scheme
In order to solve the technical problem, the utility model provides a following technical scheme: a residual current protection circuit breaker aging test machine comprises an upper computer, an acquisition card, a program control source, a relay module, a multi-contactor module, a safety detection module, a digital display meter, a power supply module, a switch and an indicator light;
the upper computer is a touch screen integrated upper computer and is used for providing a test interface operation environment, and the upper computer acquires the equipment information of the program control source and the acquisition card in real time through software logic, issues an instruction to the program control source and the acquisition card, realizes automatic control and stores test data;
the acquisition card is connected with the upper computer in a bidirectional way, and is also connected with the indicator light and the key for realizing data acquisition and instruction control;
the program control source is a power supply for operating and setting output stable voltage to meet the test requirement and is controlled by an upper computer;
the relay module comprises a relay connected between the digital display meter and the contactor and is used for executing a control signal output instruction of the digital display meter;
the multi-contactor module is used for establishing low contact impedance connection between a power supply and a test product and realizing the switching function of the power supply of the test product;
the safety detection module comprises an in-place detection unit and a bin gate switch detection unit, and the bin gate switch detection unit is used for detecting the opening state of a bin gate and outputting a switch signal to the digital display meter when the equipment works; the in-place detection unit detects whether the product is placed in place through the position switch and outputs a switch signal to the digital display meter;
the power supply module provides a working power supply for the acquisition card;
the switch comprises a power manual switch and an emergency stop switch, and the whole machine is powered on after the power manual switch is closed; after the emergency stop switch is closed, the power supply of the contactor at each station is cut off;
the indicating lamp is used for indicating the running state of the equipment and the running state of the station, the running state of the equipment comprises running, fault and stop, and the running state of the station indicating lamp indicates the running or fault state of the station;
the input end of the digital display meter is connected with the acquisition meter and the upper computer, the output end of the digital display meter is connected with the relay and used for displaying the test voltage and the test current of the test product in real time and monitoring the opening and closing state of the bin gate in real time, and when the bin gate is detected to be opened, the digital display meter outputs the relay in time to cut off the bin output voltage.
Preferably, the number of the digital display tables is the same as that of the test stations.
(III) advantageous effects
Compared with the prior art, the utility model provides a residual current protection circuit breaker aging testing machine possesses following beneficial effect:
1. the aging test machine for the residual current protection circuit breaker is arranged in a modularized manner to form a complete test system, so that the test time is shortened, and the investment of test personnel is reduced;
2. the system structure that the test state is displayed by combining the upper computer with the display lamp is controlled by the upper computer, so that the requirement on testers is low, the use and operation methods of all test equipment do not need to be mastered, and only the simple operation of the upper computer and the switch needs to be known;
3. the test result is automatically tested and produced by the upper computer, the acquisition card and the digital display meter, manual calculation is not needed, and human subjective errors are not easy to introduce;
4. through the cooperation setting of host computer, digital display table and safety inspection module, can automatic outage under the hatch door open mode, play the effect of electric shock protection.
Drawings
Fig. 1 is a schematic block diagram of the system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic block diagram of a system according to the present invention.
The utility model provides a residual current protection circuit breaker aging testing machine, including host computer 1, collection card 2, programme-controlled source 3, relay module 4, many contactor module, safety inspection module 7, digital display meter 8, power module 9, switch and pilot lamp 11;
the upper computer 1 is a touch screen integrated upper computer 1, is used for providing a test interface operation environment and is a core component for realizing intelligent control of the whole computer, and the upper computer 1 acquires the equipment information of the program control source 3 and the acquisition card 2 in real time through software logic, issues an instruction to the program control source 3 and the acquisition card 2, realizes automatic control and stores test data in real time;
the acquisition card 2 is a data ear acquisition and signal control board card, is bidirectionally connected with the upper computer 1, and is simultaneously connected with the indicator light 11 and the key 12 for realizing data acquisition and instruction control;
the program control source 3 adopts microcomputer control, operates and sets the output current and voltage through external control, and operates a power supply with stabilized current and voltage stabilization, and is a power supply for operating and setting the output stabilized voltage to meet the test requirement, the utility model discloses the program control source 3 adopts a three-phase voltage source through the control of the upper computer 1;
the relay module 4 comprises a relay connected between the digital display meter 8 and the contactor 5 and is used for executing a control signal output instruction of the digital display meter and the upper computer;
the multi-contactor module comprises a contactor 5 connected with an input power supply and is used for establishing low contact impedance connection between the power supply and a test product a and realizing the switching function of a power supply of the test product a;
the safety detection module 7 comprises an in-place detection unit and a door switch detection unit, wherein the door switch detection unit is used for detecting the door opening state and outputting a switch signal to the digital display meter 8 during the operation of the equipment, and when the upper computer 1 or the digital display meter 8 detects the door opening signal, the working power supply of the door in the opening state is immediately cut off, so that the electric shock risk caused by the misoperation of an operator during the operation is avoided; the in-place detection unit detects whether the product is placed in place through the position switch and outputs a switch signal to the digital display meter 8;
the power supply module 9 provides working power supply for the acquisition card 2 and other modules, and preferably uses three-phase power input;
the switch comprises a power manual switch 101 and an emergency stop switch 102, the power manual switch 101 is connected with the input electric contactor 5, and the whole machine is powered on after the power manual switch 101 is closed; the emergency stop switch 102 is connected with the contactor 5 of the power switch of each station, and after the emergency stop switch 102 is closed, the power supply of the contactor 5 of each station is cut off;
the indicating lamp 11 is in circuit connection with the acquisition card 2 and is used for indicating the running state of equipment and the running state of a station, the running state of the equipment comprises running, fault and stop, and the running state of the station indicating lamp 11 indicates the running or fault state of the station;
and the digital display meter 8 is an intelligent device for a medium and low voltage system, is used for displaying the test voltage and the test current of the test product a in real time, monitors the opening and closing state of the bin gate in real time, and timely outputs a relay to cut off the bin output voltage when the bin gate is detected to be opened.
The number of the digital display meter 8 is the same as the number of the testing stations, the digital display meter integrates the functions of data acquisition, control and statistics, has the functions of measurement, calculation and statistics of basic single-loop alternating current parameters, electric energy accumulation, pulse input quantity metering, fault recording, 4-path switching value input monitoring, 2-path relay output, 2-path pulse output, 1-path analog quantity transmission output, line crossing alarm and the like, supports an RS485 interface of an MODBUS communication protocol, is connected with a computer monitoring system, the input end of the RS485 interface is connected with the acquisition meter and an upper computer 1, and the output end of the RS485 interface is connected with a relay.
The aging test machine for the residual current protection circuit breaker is arranged in a modularized mode and comprises a plurality of modules, wherein an upper computer 1 integrating a touch screen is used as a master control center for testing; the alternating current program control source and the direct current program control source 3 are used for providing stable and accurate test voltage for the product; the digital display meter 8 effectively finishes the correct execution of the control instruction; the acquisition card 2 realizes high-speed and high-efficiency data acquisition and instruction control. The power module 9 provides a stable working power supply for the acquisition card, and the multi-contactor module is used as a direct execution device of a control instruction of the touch screen integrated upper computer to form a complete test system, so that the test time is shortened, and the investment of testers is reduced; meanwhile, the upper computer 1 controls a system structure which combines the indicator light 11 to display the test state, so that the requirement on testers is low, the use and operation methods of various test devices do not need to be mastered, and only the simple operation of the upper computer 1 and a switch needs to be known; the test result is automatically tested and produced by the upper computer 1, the acquisition card 2 and the digital display meter 8, manual calculation is not needed, and human subjective errors are not easy to introduce; through the cooperation setting of host computer 1, digital display table 8 and safety inspection module 7, can automatic outage under the hatch door open mode, play the effect of electric shock protection.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. The aging test machine for the residual current protection circuit breaker is characterized by comprising an upper computer, an acquisition card, a program control source, a relay module, a multi-contactor module, a safety detection module, a digital display meter, a power supply module, a switch and an indicator light;
the upper computer is a touch screen integrated upper computer and is used for providing a test interface operation environment, and the upper computer acquires the equipment information of the program control source and the acquisition card in real time through software logic, issues an instruction to the program control source and the acquisition card, realizes automatic control and stores test data;
the acquisition card is connected with the upper computer in a bidirectional way, and is also connected with the indicator light and the key for realizing data acquisition and instruction control;
the program control source is a power supply for operating and setting output stable voltage to meet the test requirement and is controlled by an upper computer;
the relay module comprises a relay connected between the digital display meter and the contactor and is used for executing a control signal output instruction of the digital display meter;
the multi-contactor module is used for establishing low contact impedance connection between a power supply and a test product and realizing the switching function of the power supply of the test product;
the safety detection module comprises an in-place detection unit and a bin gate switch detection unit, and the bin gate switch detection unit is used for detecting the opening state of a bin gate and outputting a switch signal to the digital display meter when the equipment works; the in-place detection unit detects whether the product is placed in place through the position switch and outputs a switch signal to the digital display meter;
the power supply module provides a working power supply for the acquisition card;
the switch comprises a power manual switch and an emergency stop switch, and the whole machine is powered on after the power manual switch is closed; after the emergency stop switch is closed, the power supply of the contactor at each station is cut off;
the indicating lamp is used for indicating the running state of the equipment and the running state of the station, the running state of the equipment comprises running, fault and stop, and the running state of the station indicating lamp indicates the running or fault state of the station;
the input end of the digital display meter is connected with the acquisition meter and the upper computer, the output end of the digital display meter is connected with the relay and used for displaying the test voltage and the test current of the test product in real time and monitoring the opening and closing state of the bin gate in real time, and when the bin gate is detected to be opened, the digital display meter outputs the relay in time to cut off the bin output voltage.
2. The aging tester for the residual current protection circuit breaker as claimed in claim 1, wherein: the number of the digital display meters is the same as that of the test stations.
CN201920845705.1U 2019-06-05 2019-06-05 Residual current protection circuit breaker aging testing machine Active CN210142168U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920845705.1U CN210142168U (en) 2019-06-05 2019-06-05 Residual current protection circuit breaker aging testing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920845705.1U CN210142168U (en) 2019-06-05 2019-06-05 Residual current protection circuit breaker aging testing machine

Publications (1)

Publication Number Publication Date
CN210142168U true CN210142168U (en) 2020-03-13

Family

ID=69734394

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920845705.1U Active CN210142168U (en) 2019-06-05 2019-06-05 Residual current protection circuit breaker aging testing machine

Country Status (1)

Country Link
CN (1) CN210142168U (en)

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