CN204882853U - Electric energy meter pressure resistance test installation - Google Patents

Electric energy meter pressure resistance test installation Download PDF

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Publication number
CN204882853U
CN204882853U CN201520570549.4U CN201520570549U CN204882853U CN 204882853 U CN204882853 U CN 204882853U CN 201520570549 U CN201520570549 U CN 201520570549U CN 204882853 U CN204882853 U CN 204882853U
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China
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electric energy
energy meter
voltage
electrically
resistance test
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CN201520570549.4U
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Chinese (zh)
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陈斌
张剑锋
胡珊妹
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Holley Technology Co Ltd
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Abstract

The utility model discloses an electric energy meter pressure resistance test installation, electric energy meter pressure resistance test installation is connected with a server and a n electric energy meter electricity respectively, n >= 5, including 220V alternating voltage source, a n high voltage relay, n the 2nd high voltage relay, n the 3rd high voltage relay, high -voltage insulation test appearance, withstand voltage measuring control panel, a PC and n hourglass measuring instrument for current. The utility model discloses detection efficiency height, good, the detection precision height of security have, can obtain the testing result automatically, characteristics that intelligent degree is high.

Description

Electric energy meter Withstand test device
Technical field
The utility model relates to electrical equipment technical field, especially relates to the electric energy meter Withstand test device that a kind of detection efficiency is high, security good, accuracy of detection is high.
Background technology
The Normal practice of electric energy meter withstand voltage test is each line by independently clip on electric energy meter, manual crimp, directly power on withstand voltage test, table number and withstand voltage test result manual record,---the artificial wiring of all lines---powers on, withstand voltage test starts that---withstand voltage end, lower electricity---manual record table number, withstand voltage result---get table, end the course of work: artificial upper table.It is more to there is action in above-mentioned withstand voltage test method, and efficiency is lower, and test figure is not preserved, the shortcoming that can not review.
Chinese patent mandate publication number: CN202025077U, authorize publication date on November 2nd, 2011, disclose a kind of voltage withstand testing device of three-phase, comprise be provided with resistance test control module computing machine, for the program control voltage resistant instrument of output HIGH voltage, to be connected high-voltage relay plate for controlling electric energy meter high input voltage with electric energy meter, for automatically detecting leakage current and controlling the leakage current test unit of high-voltage relay plate High voltage output; Described program control voltage resistant instrument is connected to carry out High voltage output and detection with leakage current test unit; Computing machine is connected with program control voltage resistant instrument communication the output controlling program control voltage resistant instrument; Computing machine is connected control leakage current test unit and read testing result with leakage current test unit communications; Leakage current test unit is connected to be controlled to export to tested electric energy meter by high-voltage relay by high pressure with high-voltage relay plate.The weak point of this invention is that detection efficiency is low, and poor stability, accuracy of detection are low.
Summary of the invention
Goal of the invention of the present utility model is that the detection efficiency in order to overcome voltage withstand testing device of three-phase of the prior art is low, the deficiency that poor stability, accuracy of detection are low, provides the electric energy meter Withstand test device that a kind of detection efficiency is high, security good, accuracy of detection is high.
To achieve these goals, the utility model is by the following technical solutions:
A kind of electric energy meter Withstand test device, described electric energy meter Withstand test device is connected with server and n electrical energy meter electricity respectively, n >=5; Comprise 220V alternating-current voltage source, n the first high-voltage relay, n the second high-voltage relay, a n third high potential relay, Hi-pot Tester, resistance test control panel, PC and n leakage current tester;
Alternating-current voltage source is electrically connected with the power interface of n electric energy meter respectively by n the first high-voltage relay, PC is electrically connected with the communication interface of n electric energy meter respectively by n the second high-voltage relay, PC is electrically connected with server, Hi-pot Tester and resistance test control panel respectively, Hi-pot Tester is electrically connected with the high pressure resistant end of n electric energy meter respectively by n third high potential relay, and resistance test control panel is electrically connected with the resistance to low pressure end of n electric energy meter respectively by n leakage current tester;
Also comprise loudspeaker, alarm lamp and display; Loudspeaker, alarm lamp and display are all electrically connected with PC.
The utility model once can carry out high pressure detection to multiple electric energy meter, and when high pressure detects, alternating-current voltage source, PC, resistance test control panel are not all connected with electric energy meter, thus guarantees the security of alternating-current voltage source, PC, resistance test control panel; Resistance test control panel, PC and server all can obtain the testing result of electric energy meter automatically, more intelligent.
Therefore, the utility model has the advantages that detection efficiency is high, security good, accuracy of detection is high.
As preferably, resistance test control panel is located in the housing of ground connection, and detection control plate comprises single-chip microcomputer, and single-chip microcomputer is electrically connected with n leakage current tester respectively.
As preferably, described communication interface comprises 485A and the 485B auxiliary signal end be located on electric energy meter.
As preferably, PC is electrically connected with n the second high-voltage relay respectively by n 232/485 converter.
As preferably, PC is electrically connected with Hi-pot Tester by 232/485 converter.
As preferably, the model of leakage current tester is TH2686, n is 5 to 25.
Therefore, the utility model has following beneficial effect: detection efficiency is high, security good, accuracy of detection is high; Automatically can obtain testing result, intelligence degree is high.
Accompanying drawing explanation
Fig. 1 is a kind of theory diagram of the present utility model.
In figure: alternating-current voltage source 1, electric energy meter 2, first high-voltage relay 3, second high-voltage relay 4, third high potential relay 5, Hi-pot Tester 6, resistance test control panel 7, PC 8, leakage current tester 9, loudspeaker 10, display 11,232/485 converter 12, alarm lamp 13.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Embodiment is as shown in Figure 1 a kind of electric energy meter Withstand test device, and electric energy meter Withstand test device is connected with server and 20 electrical energy meter electricities respectively; Comprise 220V alternating-current voltage source 1,20 the first high-voltage relays 3,20 the second high-voltage relays 4,20 third high potential relaies 5, Hi-pot Tester 6, resistance test control panel 7, PC 8 and 20 leakage current testers 9;
Alternating-current voltage source is electrically connected with the power interface of 20 electric energy meters 2 respectively by 20 the first high-voltage relays, PC is electrically connected with the communication interface of 20 electric energy meters respectively by 20 the second high-voltage relays, PC is electrically connected with server, Hi-pot Tester and resistance test control panel respectively, Hi-pot Tester is electrically connected with the high pressure resistant end of 20 electric energy meters respectively by 20 third high potential relaies, and resistance test control panel is electrically connected with the resistance to low pressure end of 20 electric energy meters respectively by 20 leakage current testers;
Also comprise loudspeaker 10, alarm lamp 13 and display 11; Loudspeaker, alarm lamp and display are all electrically connected with PC.
Resistance test control panel is located in the housing of ground connection, and detection control plate comprises single-chip microcomputer, and single-chip microcomputer is electrically connected with 20 leakage current testers respectively.Communication interface comprises 485A and the 485B auxiliary signal end be located on electric energy meter.PC is electrically connected with 20 the second high-voltage relays respectively by 20 232/485 converters 12.
PC is electrically connected with Hi-pot Tester by 232/485 converter.The model of leakage current tester is TH2686.High pressure resistant end is High voltage output U, I port of electric energy meter, and each third high potential relay is electrically connected with High voltage output U, I port of each electric energy meter respectively;
Low pressure end is the auxiliary end of the High voltage output of electric energy meter and electric energy meter shell, and each leakage current tester is auxiliary with the High voltage output of each electric energy meter respectively to be held and shell is electrically connected.
The course of work of the present utility model, comprises the steps:
Step 100, reads the numbering of each electric energy meter
Be placed on respectively by 20 electric energy meters and detect position, PC controls each first high-voltage relay by resistance test control panel and closes, and each electric energy meter and alternating-current voltage source are connected;
PC controls each second high-voltage relay and closes, and each electric energy meter and PC communicate to connect, and PC reads the numbering A1 of the electric energy meter stored in the storer of each electric energy meter, A2 ..., A20, by A1, A2 ..., A20 is stored in PC;
PC controls each first high-voltage relay by resistance test control panel and disconnects, and PC controls each second high-voltage relay and disconnects;
Step 200, withstand voltage test
The trial voltage maximal value W corresponding with the numbering of each electric energy meter and test period S is provided with in server; With A1, A2 in PC reading server ..., the trial voltage maximal value W=4000V of each electric energy meter that A20 is corresponding and test period S=5 second;
PC sends withstand voltage test instruction to resistance test control panel, and resistance test control panel controls each third high potential relay and connects, Hi-pot Tester at the trial between the trial voltage that changed by 0 to W respectively to the conveying of each electric energy meter in S;
PC sends step-down instruction to Hi-pot Tester, and Hi-pot Tester makes output voltage be reduced to 0 gradually by W within time T=5 second;
Step 300, the judgement of electric energy meter testing result and storage
Step 310, in withstand voltage test process, standard current value e is stored in PC, resistance test control panel receives the leakage current of each leakage current tester detection and flows to PC, when certain leakage current tester, then the corresponding underproof judgement of electric energy meter K of this leakage current tester made by PC, and loudspeaker send warning message, and alarm lamp glimmers; PC controls the third high potential relay corresponding with electric energy meter k by Hi-pot Tester and disconnects, simultaneously the underproof information of display display electric energy meter k, and alarm sends warning message; E is 5 milliamperes;
The underproof information of electric energy meter k preserved by PC, and underproof for electric energy meter k information is sent to server, and the Test Information of electric energy meter k is stored as defective by server; It is qualified that the Test Information of other electric energy meter outside electric energy meter k is all stored as by server; Wherein, k is A1, A2 ..., any one in A20;
Step 320, in withstand voltage test process, when resistance test control panel does not receive the alerting signal of any one leakage current tester, then resistance test control panel sends all qualified information of 20 electric energy meters to PC, PC sends all qualified information of 20 electric energy meters to server, and server will numbering A1, A2,, it is qualified that the Test Information of the electric energy meter of A20 is all stored as.
20 electric energy meters completing withstand voltage test are removed from the circuit of Fig. 1, changes 20 electric energy meters needing to detect, repeat said process and proceed to detect.
Should be understood that the present embodiment is only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.

Claims (6)

1. an electric energy meter Withstand test device, described electric energy meter Withstand test device is connected with server and n electrical energy meter electricity respectively, n >=5; It is characterized in that, comprise 220V alternating-current voltage source (1), n the first high-voltage relay (3), n the second high-voltage relay (4), a n third high potential relay (5), Hi-pot Tester (6), resistance test control panel (7), PC (8) and n leakage current tester (9);
Alternating-current voltage source is electrically connected with the power interface of n electric energy meter (2) respectively by n the first high-voltage relay, PC is electrically connected with the communication interface of n electric energy meter respectively by n the second high-voltage relay, PC is electrically connected with server, Hi-pot Tester and resistance test control panel respectively, Hi-pot Tester is electrically connected with the high pressure resistant end of n electric energy meter respectively by n third high potential relay, and resistance test control panel is electrically connected with the resistance to low pressure end of n electric energy meter respectively by n leakage current tester;
Also comprise loudspeaker (10), alarm lamp (13) and display (11); Loudspeaker, alarm lamp and display are all electrically connected with PC.
2. electric energy meter Withstand test device according to claim 1, is characterized in that, resistance test control panel is located in the housing of ground connection, and detection control plate comprises single-chip microcomputer, and single-chip microcomputer is electrically connected with n leakage current tester respectively.
3. electric energy meter Withstand test device according to claim 1, is characterized in that, described communication interface comprises 485A and the 485B auxiliary signal end be located on electric energy meter.
4. electric energy meter Withstand test device according to claim 1, is characterized in that, described PC is electrically connected with n the second high-voltage relay respectively by n 232/485 converter (12).
5. electric energy meter Withstand test device according to claim 1, is characterized in that, described PC is electrically connected with Hi-pot Tester by 232/485 converter.
6. the electric energy meter Withstand test device according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, the model of leakage current tester is TH2686, n is 5 to 25.
CN201520570549.4U 2015-07-31 2015-07-31 Electric energy meter pressure resistance test installation Active CN204882853U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520570549.4U CN204882853U (en) 2015-07-31 2015-07-31 Electric energy meter pressure resistance test installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520570549.4U CN204882853U (en) 2015-07-31 2015-07-31 Electric energy meter pressure resistance test installation

Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107064853A (en) * 2017-03-23 2017-08-18 山东电力研究院 Electric energy meter pressure-resistant test system and method with test voltage automatic switching function
CN109143145A (en) * 2018-09-27 2019-01-04 国网山东省电力公司电力科学研究院 A kind of ac voltage withstanding detection system suitable for intelligent electric energy meter and power information acquisition terminal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107064853A (en) * 2017-03-23 2017-08-18 山东电力研究院 Electric energy meter pressure-resistant test system and method with test voltage automatic switching function
CN109143145A (en) * 2018-09-27 2019-01-04 国网山东省电力公司电力科学研究院 A kind of ac voltage withstanding detection system suitable for intelligent electric energy meter and power information acquisition terminal

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GR01 Patent grant
C14 Grant of patent or utility model
CP01 Change in the name or title of a patent holder

Address after: HOLLEY Technology Park No. 181 310023 Hangzhou city Zhejiang District of Yuhang province Wuchang Avenue

Patentee after: HOLLEY METERING LIMITED

Address before: HOLLEY Technology Park No. 181 310023 Hangzhou city Zhejiang District of Yuhang province Wuchang Avenue

Patentee before: Holley Metering Ltd.

Address after: HOLLEY Technology Park No. 181 310023 Hangzhou city Zhejiang District of Yuhang province Wuchang Avenue

Patentee after: HOLLEY METERING LIMITED

Address before: HOLLEY Technology Park No. 181 310023 Hangzhou city Zhejiang District of Yuhang province Wuchang Avenue

Patentee before: Holley Metering Ltd.

C56 Change in the name or address of the patentee
EE01 Entry into force of recordation of patent licensing contract

Assignee: Hangzhou Minhong Technology Co.,Ltd.

Assignor: Holley Technology Co.,Ltd.

Contract record no.: X2021330000157

Denomination of utility model: Voltage withstand test device of electric energy meter

Granted publication date: 20151216

License type: Common License

Record date: 20210828

Assignee: Hangzhou Huazheng New Energy Technology Co.,Ltd.

Assignor: Holley Technology Co.,Ltd.

Contract record no.: X2021330000158

Denomination of utility model: Voltage withstand test device of electric energy meter

Granted publication date: 20151216

License type: Common License

Record date: 20210828

Assignee: Hangzhou Zichuan Technology Co.,Ltd.

Assignor: Holley Technology Co.,Ltd.

Contract record no.: X2021330000156

Denomination of utility model: Voltage withstand test device of electric energy meter

Granted publication date: 20151216

License type: Common License

Record date: 20210828

EE01 Entry into force of recordation of patent licensing contract