CN103513215A - Automatic switching detection apparatus of electric energy meter - Google Patents
Automatic switching detection apparatus of electric energy meter Download PDFInfo
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- CN103513215A CN103513215A CN201210213852.XA CN201210213852A CN103513215A CN 103513215 A CN103513215 A CN 103513215A CN 201210213852 A CN201210213852 A CN 201210213852A CN 103513215 A CN103513215 A CN 103513215A
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Abstract
Provided in the utility model is an automatic switching detection apparatus of an electric energy meter. The detection apparatus comprises a plurality of installing units for placing electric energy meters; each of the installing units includes a voltage source interface, a current source interface and a first output terminal; the voltage source interface of each installing unit is connected in parallel to a voltage source general interface; the current source interface of each installing unit is connected in parallel to a current source general interface; the first output terminal of each installing unit is connected in parallel to a first general output terminal; and circuit breakers are arranged at the voltage source general interface, the current source general interface, the first general output terminal and the second general output terminal. With the detection apparatus, precision adjustment and verification as well as voltage-withstanding testing can be realized; and the multiple circuit breakers are controlled by a single-chip microcomputer so as to realize the precision adjustment and verification as well as automatic switching between the voltage-withstanding testing.
Description
Technical field
The present invention relates to a kind of electric energy meter automatic switchover pick-up unit, relate in particular to a kind of electric energy meter automatic switchover pick-up unit that can automatically carry out change detection project.
Background technology
As everyone knows, electric energy meter is applied in each Electronic Testing place, and its importance is self-evident.But each electric energy meter needs to carry out adjustment and verification and the ac voltage withstanding test of precision before dispatching from the factory.
At present, the precision adjustment of electric energy meter and verification are carried out on a detection device of electric energy meter, and this has several that installation position of electric energy meter is installed above table apparatus.By debugging software, can carry out adjustment and verification to several electric energy meters on it simultaneously.
And the test of the ac voltage withstanding of electric energy meter need to be carried out on Hi-pot Tester.Therefore, at each electric energy meter, finish after precision adjustment and verification, it must be taken off from detection device of electric energy meter, again it is carried out to ac voltage withstanding test after being mounted on Hi-pot Tester.Because the same time of Hi-pot Tester can only test an electric energy meter, each test needs 4 minutes, so just greatly reduces testing efficiency.
With regard to being badly in need of a kind of brand-new checkout equipment, solve above-mentioned the deficiencies in the prior art like this.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of electric energy meter automatic switchover pick-up unit, this pick-up unit is by a plurality of isolating switchs of Single-chip Controlling, realize the adjustment of precision and the automatic switchover between verification and voltage-withstand test, and on this pick-up unit, all can realize adjustment and verification and the voltage-withstand test of precision.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of electric energy meter automatic switchover pick-up unit, comprise placing some installation positions of electric energy meter, each installation position comprises voltage supply interface, current source interface and the first output terminal, the voltage supply interface of each installation position is connected in parallel to the total interface of voltage source, the current source interface of each installation position is connected in parallel to the total interface of current source, the first output terminal of each installation position is connected in parallel to first total output terminal, and the total interface of described voltage source, the total interface of current source, first total output terminal and second total output are equipped with an isolating switch.
As a further improvement on the present invention, each installation position also comprises the second output terminal and the 3rd output terminal.
As a further improvement on the present invention, the first output terminal is RS485 output terminal, and the second output terminal is meritorious pulse output end, and the 3rd output terminal is idle pulse output end.
As a further improvement on the present invention, the second output terminal of each installation position is connected in parallel to second total output terminal, and the 3rd output terminal of each installation position is connected in parallel to the 3rd total output terminal.
As a further improvement on the present invention, described second total output terminal and the 3rd total output are equipped with an isolating switch.
As a further improvement on the present invention, the number of described installation position is 32.
As a further improvement on the present invention, described electric energy meter automatic switchover pick-up unit also comprises the input power interface being connected with the total interface tandem of current source.
As a further improvement on the present invention, described input power interface is provided with an isolating switch.
The present invention compared with prior art has following beneficial effect:
Electric energy meter automatic switchover pick-up unit provided by the invention can be realized adjustment and verification and the voltage-withstand test of precision on this pick-up unit, and can realize the adjustment of precision and the automatic switchover between verification and voltage-withstand test by a plurality of isolating switchs of Single-chip Controlling.
Accompanying drawing explanation
Fig. 1 is electric energy meter automatic switchover structure of the detecting device figure of the present invention;
Fig. 2 is Hi-pot Tester schematic diagram of the present invention.
Embodiment
Below by embodiment, the present invention will be further elaborated:
Present embodiment provides a kind of electric energy meter automatic switchover pick-up unit 1, comprise placing the 32Ge installation position 2 of electric energy meter (not shown), each installation position 2 comprises voltage supply interface 21, current source interface 22, the first output terminal 23, the second output terminal 24 and the 3rd output terminal 25.
The voltage supply interface 21 of each installation position 2 is connected in parallel to the total interface 21 ' of voltage source, the current source interface 22 of each installation position 2 is connected in parallel to the total interface 22 ' of current source, the first output terminal 23 of each installation position 2 is connected in parallel to first total output terminal 23 ', the second output terminal 24 of each installation position 2 is connected in parallel to second total output terminal 24 ', and the 3rd output terminal 25 of each installation position 2 is connected in parallel to the 3rd output terminal 25 '.The total interface 21 ' of described voltage source, total interface 22 ', the first total output terminal 23 ' of current source, second total output terminal 24 ' and the 3rd total output terminal 25 ' locate to be equipped with an isolating switch 3.Wherein the first output terminal 23 is that RS485 output terminal 23, the second output terminals 24 are that meritorious pulse output end 24, the three output terminals 25 are idle pulse output end 25.
Described electric energy meter automatic switchover pick-up unit 1 also comprises the input power interface 26 being connected in series with the total interface 21 ' of current source.Described input power interface 26 places are provided with an isolating switch 3.
Described electric energy meter automatic switchover pick-up unit 1 comprises the following steps when concrete detection:
A, be positioned at the isolating switch 3 that the total interface 21 ' of current source, the total interface 22 ' of voltage source, input power interface 26, first total output terminal 23 ', second total output terminal 24 ' and the 3rd total output terminal 25 ' locate and under Single-chip Controlling, be switched to precision test mode, complete precision adjustment and verification to electric energy meter;
B, be positioned at the isolating switch 3 that the total interface 21 ' of current source, the total interface 22 ' of voltage source, input power interface 26, first total output terminal 23 ', second total output terminal 24 ' and the 3rd total output terminal 25 ' locate and under Single-chip Controlling, automatically switch to voltage-withstand test state, use two test leads 41,42 of Hi-pot Tester 4 to connect between two successively input power interface 26, first total output terminal 23 ', second total output terminal 24 ' and the 3rd total output terminal 25 ', carry out respectively the test of withstand voltage a minute, until complete the voltage-withstand test to electric energy meter.
The present invention can realize adjustment and verification and the voltage-withstand test of precision on this pick-up unit, and can realize the adjustment of precision and the automatic switchover between verification and voltage-withstand test by a plurality of isolating switchs 3 of Single-chip Controlling.
Although be example object, the preferred embodiment of the present invention is disclosed, but those of ordinary skill in the art will recognize, in the situation that not departing from by the disclosed scope and spirit of the present invention of appending claims, various improvement, increase and replacement are possible.
Claims (8)
1. an electric energy meter automatic switchover pick-up unit, it is characterized in that: the some installation positions that comprise placing electric energy meter, each installation position comprises voltage supply interface, current source interface and the first output terminal, the voltage supply interface of each installation position is connected in parallel to the total interface of voltage source, the current source interface of each installation position is connected in parallel to the total interface of current source, the first output terminal of each installation position is connected in parallel to first total output terminal, and the total interface of described voltage source, the total interface of current source, first total output terminal and second total output are equipped with an isolating switch.
2. electric energy meter automatic switchover pick-up unit according to claim 1, is characterized in that: each installation position also comprises the second output terminal and the 3rd output terminal.
3. electric energy meter automatic switchover pick-up unit according to claim 2, is characterized in that: the first output terminal is RS485 output terminal, and the second output terminal is meritorious pulse output end, and the 3rd output terminal is idle pulse output end.
4. electric energy meter automatic switchover pick-up unit according to claim 2, is characterized in that: the second output terminal of each installation position is connected in parallel to second total output terminal, and the 3rd output terminal of each installation position is connected in parallel to the 3rd total output terminal.
5. electric energy meter automatic switchover pick-up unit according to claim 4, is characterized in that: described second total output terminal and the 3rd total output are equipped with an isolating switch.
6. electric energy meter automatic switchover pick-up unit according to claim 1, is characterized in that: the number of described installation position is 32.
7. electric energy meter automatic switchover pick-up unit according to claim 1, is characterized in that: described electric energy meter automatic switchover pick-up unit also comprises the input power interface being connected with the total interface tandem of current source.
8. electric energy meter automatic switchover pick-up unit according to claim 7, is characterized in that: described input power interface is provided with an isolating switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210213852.XA CN103513215A (en) | 2012-06-27 | 2012-06-27 | Automatic switching detection apparatus of electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210213852.XA CN103513215A (en) | 2012-06-27 | 2012-06-27 | Automatic switching detection apparatus of electric energy meter |
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| CN103513215A true CN103513215A (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210213852.XA Pending CN103513215A (en) | 2012-06-27 | 2012-06-27 | Automatic switching detection apparatus of electric energy meter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076318A (en) * | 2014-04-18 | 2014-10-01 | 国家电网公司 | Debugging inspection bench of smart electric meter and debugging inspection method |
| CN104198983A (en) * | 2014-09-23 | 2014-12-10 | 中电装备山东电子有限公司 | Intelligent electric meter detecting device |
| CN105487044A (en) * | 2016-01-29 | 2016-04-13 | 国家电网公司 | Current switching apparatus for electric energy meter remote calibration apparatus and switching method |
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| CN201021936Y (en) * | 2007-08-03 | 2008-02-13 | 重庆电力科学试验研究院 | Integrated device for power meter calibration and operation pressure resistance |
| CN101556324A (en) * | 2009-05-12 | 2009-10-14 | 深圳市科陆电子科技股份有限公司 | Pressure test device and method thereof for multi-epitope electric energy meter |
| CN201489106U (en) * | 2009-08-07 | 2010-05-26 | 四川电力试验研究院 | Counting test calibrator of electrical energy meter |
| CN101770007A (en) * | 2008-12-31 | 2010-07-07 | 深圳市科陆电子科技股份有限公司 | Electric energy meter test system and method thereof |
| CN202720329U (en) * | 2012-06-27 | 2013-02-06 | 苏州工业园区新宏博通讯科技有限公司 | Electric energy meter automatic switching detection device |
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2012
- 2012-06-27 CN CN201210213852.XA patent/CN103513215A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201021936Y (en) * | 2007-08-03 | 2008-02-13 | 重庆电力科学试验研究院 | Integrated device for power meter calibration and operation pressure resistance |
| CN101770007A (en) * | 2008-12-31 | 2010-07-07 | 深圳市科陆电子科技股份有限公司 | Electric energy meter test system and method thereof |
| CN101556324A (en) * | 2009-05-12 | 2009-10-14 | 深圳市科陆电子科技股份有限公司 | Pressure test device and method thereof for multi-epitope electric energy meter |
| CN201489106U (en) * | 2009-08-07 | 2010-05-26 | 四川电力试验研究院 | Counting test calibrator of electrical energy meter |
| CN202720329U (en) * | 2012-06-27 | 2013-02-06 | 苏州工业园区新宏博通讯科技有限公司 | Electric energy meter automatic switching detection device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076318A (en) * | 2014-04-18 | 2014-10-01 | 国家电网公司 | Debugging inspection bench of smart electric meter and debugging inspection method |
| CN104198983A (en) * | 2014-09-23 | 2014-12-10 | 中电装备山东电子有限公司 | Intelligent electric meter detecting device |
| CN105487044A (en) * | 2016-01-29 | 2016-04-13 | 国家电网公司 | Current switching apparatus for electric energy meter remote calibration apparatus and switching method |
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Application publication date: 20140115 |