CN202720329U - Electric energy meter automatic switching detection device - Google Patents
Electric energy meter automatic switching detection device Download PDFInfo
- Publication number
- CN202720329U CN202720329U CN 201220302910 CN201220302910U CN202720329U CN 202720329 U CN202720329 U CN 202720329U CN 201220302910 CN201220302910 CN 201220302910 CN 201220302910 U CN201220302910 U CN 201220302910U CN 202720329 U CN202720329 U CN 202720329U
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- electric energy
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- energy meter
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Abstract
The utility model provides an electric energy meter automatic switching detection device. The detection device comprises a plurality of installation positions for placing electric energy meters. Each installation position comprises a voltage source interface, a current source interface and a first output end. The voltage source interfaces of the installation positions are connected in parallel to a voltage source head interface, the current source interfaces of the installation positions are connected in parallel to a current source head interface, the first output ends of the installation positions are connected in parallel to a first head output end, and a circuit breaker is arranged at the voltage source head interface, the current source head interface, the first head output end and a second head output end separately. According to the utility model, the accuracy calibration and validation operation and the withstand voltage test can be realized on the detection device, and a plurality of circuit breakers can be controlled through a single chip microcomputer so as to realize the automatic switching between the accuracy calibration and validation operation and the withstand voltage test.
Description
Technical field
The utility model relates to a kind of electric energy meter automatic switchover pick-up unit, relates in particular to a kind of electric energy meter automatic switchover pick-up unit that can automatically carry out the 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 at 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 simultaneously adjustment and verification to several electric energy meters on it.
And the test of the ac voltage withstanding of electric energy meter need to be carried out at Hi-pot Tester.Therefore, after each electric energy meter is finished precision adjustment and verification, it must be taken off from detection device of electric energy meter, again it be carried out ac voltage withstanding test after being mounted on the 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.
Solve above-mentioned the deficiencies in the prior art with regard to being badly in need of a kind of brand-new checkout equipment like this.
The utility model content
In order to solve the problems of the technologies described above, the utility model 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 the voltage-withstand test, and on this pick-up unit, all can realize adjustment and verification and the voltage-withstand test of precision.
The technical scheme that its technical matters that solves the utility model adopts 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 further improvement of the utility model, each installation position also comprises the second output terminal and the 3rd output terminal.
As further improvement of the utility model, the first output terminal is the RS485 output terminal, and the second output terminal is meritorious pulse output end, and the 3rd output terminal is idle pulse output end.
As further improvement of the utility model, 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 further improvement of the utility model, described second total output terminal and the 3rd total output are equipped with an isolating switch.
As further improvement of the utility model, the number of described installation position is 32.
As further improvement of the utility model, described electric energy meter automatic switchover pick-up unit also comprises the input power interface that is connected with the total interface tandem of current source.
As further improvement of the utility model, described input power interface is provided with an isolating switch.
The utility model compared with prior art has following beneficial effect:
The electric energy meter automatic switchover pick-up unit that the utility model provides can be realized at this pick-up unit adjustment and verification and the voltage-withstand test of precision, and can realize the adjustment of precision and the automatic switchover between verification and the voltage-withstand test by a plurality of isolating switchs of Single-chip Controlling.
Description of drawings
Fig. 1 is the utility model electric energy meter automatic switchover structure of the detecting device figure;
Fig. 2 is the utility model Hi-pot Tester schematic diagram.
Embodiment
Come the utility model is further set forth below by embodiment:
Present embodiment provides a kind of electric energy meter automatic switchover pick-up unit 1, comprise placing 32 installation positions 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, the total interface 22 ' of current source, first total output terminal 23 ', 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 idle pulse output end 25 for meritorious pulse output end 24, the three output terminals 25.
Described electric energy meter automatic switchover pick-up unit 1 also comprises the input power interface 26 that is 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 may further comprise the steps when concrete the 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, switch to the precision test mode, finish 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 the voltage-withstand test state, use two test leads 41,42 of Hi-pot Tester 4 to connect in twos 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 withstand voltage one minute test, until finish the voltage-withstand test to electric energy meter.
The utility model can be realized at this pick-up unit adjustment and verification and the voltage-withstand test of precision, and can realize the adjustment of precision and the automatic switchover between verification and the voltage-withstand test by a plurality of isolating switchs 3 of Single-chip Controlling.
Although be the example purpose, preferred implementation of the present utility model is disclosed, but those of ordinary skill in the art will recognize, in the situation that do not break away from by the disclosed scope and spirit of the present utility model of appending claims, various improvement, increase and replacement are possible.
Claims (8)
1. 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, it 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, it is characterized in that: the first output terminal is the 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, it 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, it 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, it 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, it is characterized in that: described electric energy meter automatic switchover pick-up unit also comprises the input power interface that is connected with the total interface tandem of current source.
8. electric energy meter automatic switchover pick-up unit according to claim 7, it is characterized in that: described input power interface is provided with an isolating switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220302910 CN202720329U (en) | 2012-06-27 | 2012-06-27 | Electric energy meter automatic switching detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220302910 CN202720329U (en) | 2012-06-27 | 2012-06-27 | Electric energy meter automatic switching detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202720329U true CN202720329U (en) | 2013-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220302910 Expired - Fee Related CN202720329U (en) | 2012-06-27 | 2012-06-27 | Electric energy meter automatic switching detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202720329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103513215A (en) * | 2012-06-27 | 2014-01-15 | 苏州工业园区新宏博通讯科技有限公司 | Automatic switching detection apparatus of electric energy meter |
-
2012
- 2012-06-27 CN CN 201220302910 patent/CN202720329U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103513215A (en) * | 2012-06-27 | 2014-01-15 | 苏州工业园区新宏博通讯科技有限公司 | Automatic switching detection apparatus of electric energy meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20130627 |