CN203732715U - Electric energy meter withstand voltage test device - Google Patents
Electric energy meter withstand voltage test device Download PDFInfo
- Publication number
- CN203732715U CN203732715U CN201420096694.9U CN201420096694U CN203732715U CN 203732715 U CN203732715 U CN 203732715U CN 201420096694 U CN201420096694 U CN 201420096694U CN 203732715 U CN203732715 U CN 203732715U
- Authority
- CN
- China
- Prior art keywords
- voltage
- electric energy
- energy meter
- leakage current
- withstand voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to an electric energy meter withstand voltage test device which comprises a withstand voltage tester, leakage current detectors, relays, a lightning arrester and a magnetic loop inductor, wherein a high voltage output end of the withstand voltage tester is connected with voltage wiring ends or current wiring ends of to-be-tested electric energy meters through the magnetic loop inductor, the leakage current detectors, and trigger switches of the relays, a low voltage output end of the withstand voltage tester is connected with shells of the to-be-tested electric energy meters, control signal output ends of the leakage current detectors are connected with driving ends of the relays, one end of the lightning arrester is connected with a connection end of the magnetic loop inductor and the leakage current detectors, and the other end of the lightning arrester is connected with the low voltage output end of the withstand voltage tester. According to the electric energy meter withstand voltage test device, kickback voltage can be absorbed and the amplitude of the kickback voltage can be suppressed to approach that of test voltage. Therefore, when one individual to-be-tested electric energy meter suffers from high-voltage breakdown, the other to-be-tested electric energy meters are not affected, and withstand voltage test on the other to-be-tested electric energy meters is ensured to be carried out normally.
Description
Technical field
The utility model relates to a kind of electric energy meter Withstand test device, relates in particular to a kind of electric energy meter Withstand test device that can suppress Kickback voltage there is high-voltage breakdown in electric energy meter withstand voltage test process time.
Background technology
At present, carry out the pressure resistant testing device of withstand voltage test for multi-epitope electric energy meter, if there is the electric energy meter generation high-voltage breakdown in indivedual epi-positions in voltage-withstand test process, can leakage current be detected and cut off by wire tension detector to be transported to the high pressure of this epi-position, and electric energy meter in other epi-positions be still proceeded withstand voltage test.In the process of cutoff high, can produce the Kickback voltage that is several times as much as trial voltage value and there is high-voltage breakdown at this, although lasting time of this voltage is very short, but because amplitude is larger, itself all can have a huge impact electric energy meter to other epi-positions and pressure resistant testing device, serious also can damage electric energy meter to be measured, cause other electric energy meters to be measured cannot normally carry out withstand voltage test.
Summary of the invention
The utility model mainly solves original electric energy meter voltage withstand testing device can produce the Kickback voltage that is several times as much as trial voltage value in generation high-voltage breakdown in the process of cutoff high, can electric energy meter and pressure resistant testing device itself to other epi-positions produce a very large impact the serious technical matters that also can damage electric energy meter to be measured; A kind of electric energy meter Withstand test device is provided, it can absorb or suppress Kickback voltage, the amplitude of Kickback voltage is suppressed to and approaches trial voltage amplitude, thereby make in the time of indivedual electric energy meter generation high-voltage breakdown to be measured, can not exert an influence to other electric energy meters to be measured and pressure resistant testing device itself, guarantee that other electric energy meters to be measured still can normally carry out withstand voltage test.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: the utility model comprises Hi-pot Tester, Leakage Current Detector and relay, the Voltage-output of Hi-pot Tester is high-end to be connected through the trigger switch of Leakage Current Detector and relay and the voltage terminal of electric energy meter to be measured or current terminal, the Voltage-output low side of Hi-pot Tester and the shell of electric energy meter to be measured are connected, the control signal output terminal of Leakage Current Detector and the drive end of relay are connected, between the high-end and Voltage-output low side of the Voltage-output of described Hi-pot Tester, be connected with lightning arrester.An electric energy meter Withstand test device can carry out withstand voltage test to multiple electric energy meters simultaneously, the number of Leakage Current Detector and relay is identical with the number of electric energy meter to be measured, each electric energy meter is connected with Leakage Current Detector, relay correspondingly, and is connected between the high-end and low side of the Voltage-output of Hi-pot Tester.In the voltage-withstand test process of electric energy meter, if there are indivedual electric energy meter generation high-voltage breakdowns, wire tension detector can detect leakage current and export control signal and cut off the relay being connected with this electric energy meter, cut off the high pressure that flows to this electric energy meter, now circuit can produce the Kickback voltage that is similar to thunderbolt ripple, and lightning arrester can absorb thunderbolt ripple, the amplitude of Kickback voltage is suppressed to and approaches trial voltage amplitude, make in whole high-voltage breakdown in high pressure cut-off process, other electric energy meters to be measured can not be affected, guarantee that other electric energy meters to be measured still can normally carry out withstand voltage test.
As preferably, described electric energy meter Withstand test device comprises magnet ring inductance, magnet ring inductance is connected in the connection line of the high-end and Leakage Current Detector of the Voltage-output of described Hi-pot Tester, it is one end of magnet ring inductance and high-end being connected of Voltage-output of described Hi-pot Tester, the other end of magnet ring inductance is connected with described Leakage Current Detector, one end of described lightning arrester is connected with the end that is connected of magnet ring inductance and Leakage Current Detector, and the Voltage-output low side of the other end of lightning arrester and described Hi-pot Tester is connected.Magnet ring inductance can suppress high pressure sudden change, and lightning arrester acts on simultaneously, improves inhibiting effect, further suppresses Kickback voltage, the amplitude of Kickback voltage can be suppressed to better and approach trial voltage amplitude.
As preferably, described electric energy meter Withstand test device comprises PC and withstand voltage result checkout equipment, the control signal output terminal of PC is connected with the control signal input end of described Hi-pot Tester, the input end of the state output end of described Leakage Current Detector and described withstand voltage result checkout equipment is connected, and the output terminal of withstand voltage result checkout equipment is connected with the data input pin of described PC.By PC, the voltage of Hi-pot Tester output is arranged, output required voltage, between voltage to electric energy meter or current wiring terminal and shell, apply voltage and carry out withstand voltage test, withstand voltage result checkout equipment detects the state (whether puncturing) of each Leakage Current Detector, then read by PC the data that withstand voltage result checkout equipment obtains, judge that whether each electric energy meter withstand voltage test to be measured is qualified.Test is convenient, accuracy of judgement.
As preferably, described lightning arrester adopts HY5WZ lightning arrester.
As preferably, described magnet ring inductance adopts K5BT magnet ring inductance.
The beneficial effects of the utility model are: can absorb or suppress Kickback voltage, the amplitude of Kickback voltage is suppressed to and approaches trial voltage amplitude, thereby make in the time of indivedual electric energy meter generation high-voltage breakdown to be measured, can not exert an influence to other electric energy meters to be measured and pressure resistant testing device itself, guarantee that other electric energy meters to be measured still can normally carry out withstand voltage test.
Brief description of the drawings
Fig. 1 is a kind of syndeton schematic diagram of the present utility model.
1. Hi-pot Testers in figure, 2. Leakage Current Detector, 3. relay, 4. electric energy meter to be measured, 5. lightning arrester, 6. magnet ring inductance, 7.PC machine, 8. withstand voltage result checkout equipment.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of electric energy meter Withstand test device of the present embodiment, as shown in Figure 1, comprise Hi-pot Tester 1, lightning arrester 5, magnet ring inductance 6, PC 7 and withstand voltage result checkout equipment 8 and multiple Leakage Current Detector 2 and relay 3, the number of the number of Leakage Current Detector 2 and relay 3 is all consistent with the number of electric energy meter 4 to be measured, a Leakage Current Detector, a relay and an electric energy meter to be measured are linked to be one group of series circuit, that is: one end of Leakage Current Detector 2 is connected through the trigger switch of relay 3 and voltage terminal or the current terminal of electric energy meter 4 to be measured, the control signal output terminal a of Leakage Current Detector 2 is connected with the drive end of relay 3.Multiple Leakage Current Detectors 2, relay 3 and electric energy meter to be measured 4 are linked to be many group series circuits, and these series circuits connect into again parallel circuit.The high-end H of Voltage-output of Hi-pot Tester 1 is connected with one end of magnet ring inductance 6, the other end of magnet ring inductance 6 is not only connected with the other end of Leakage Current Detector 2 but also is connected with one end of lightning arrester 5, the Voltage-output low side L of the other end of lightning arrester 5 and Hi-pot Tester 1 is connected, and the Voltage-output low side L of Hi-pot Tester 1 is connected with the shell of electric energy meter 4 to be measured again.The control signal output terminal of PC 7 is connected with the control signal input end of Hi-pot Tester 1, the state output end b of each Leakage Current Detector 2 is connected with the input end of withstand voltage result checkout equipment 8, and the output terminal of withstand voltage result checkout equipment 8 is connected with the data input pin of PC 7.In the present embodiment, lightning arrester 5 adopts HY5WZ lightning arrester, and magnet ring inductance 6 adopts K5BT magnet ring inductance.
In the voltage-withstand test process of electric energy meter, if there are indivedual electric energy meter generation high-voltage breakdowns, wire tension detector can detect leakage current and export control signal and cut off the relay being connected with this electric energy meter, cut off the high pressure that flows to this electric energy meter, now circuit can produce the Kickback voltage that is similar to thunderbolt ripple, and lightning arrester can absorb thunderbolt ripple, magnet ring inductance can suppress high pressure sudden change, thereby the amplitude of Kickback voltage can be suppressed to and approach trial voltage amplitude, make in whole high-voltage breakdown in high pressure cut-off process, other electric energy meters to be measured can not be subject to the impact of Kickback voltage, other electric energy meters to be measured can not be damaged because of Kickback voltage, guarantee that other electric energy meters to be measured still can normally carry out withstand voltage test.
Claims (5)
1. an electric energy meter Withstand test device, comprise Hi-pot Tester (1), Leakage Current Detector (2) and relay (3), the high-end trigger switch through Leakage Current Detector (2) and relay (3) of Voltage-output of Hi-pot Tester (1) is connected with voltage terminal or the current terminal of electric energy meter to be measured (4), the Voltage-output low side of Hi-pot Tester (1) is connected with the shell of electric energy meter to be measured (4), the control signal output terminal of Leakage Current Detector (2) is connected with the drive end of relay (3), it is characterized in that being connected with lightning arrester (5) between the high-end and Voltage-output low side of the Voltage-output of described Hi-pot Tester (1).
2. a kind of electric energy meter Withstand test device according to claim 1, it is characterized in that comprising magnet ring inductance (6), magnet ring inductance (6) is connected in the connection line of the high-end and Leakage Current Detector (2) of the Voltage-output of described Hi-pot Tester (1), it is one end of magnet ring inductance (6) and high-end being connected of Voltage-output of described Hi-pot Tester (1), the other end of magnet ring inductance (6) is connected with described Leakage Current Detector (2), one end of described lightning arrester (5) is connected with the end that is connected of magnet ring inductance (6) and Leakage Current Detector (2), the Voltage-output low side of the other end of lightning arrester (5) and described Hi-pot Tester (1) is connected.
3. a kind of electric energy meter Withstand test device according to claim 1 and 2, it is characterized in that comprising PC (7) and withstand voltage result checkout equipment (8), the control signal input end of the control signal output terminal of PC (7) and described Hi-pot Tester (1) is connected, the state output end of described Leakage Current Detector (2) is connected with the input end of described withstand voltage result checkout equipment (8), and the data input pin of the output terminal of withstand voltage result checkout equipment (8) and described PC (7) is connected.
4. a kind of electric energy meter Withstand test device according to claim 1 and 2, is characterized in that described lightning arrester (5) adopts HY5WZ lightning arrester.
5. a kind of electric energy meter Withstand test device according to claim 2, is characterized in that described magnet ring inductance (6) adopts K5BT magnet ring inductance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096694.9U CN203732715U (en) | 2014-03-05 | 2014-03-05 | Electric energy meter withstand voltage test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096694.9U CN203732715U (en) | 2014-03-05 | 2014-03-05 | Electric energy meter withstand voltage test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203732715U true CN203732715U (en) | 2014-07-23 |
Family
ID=51202777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420096694.9U Expired - Fee Related CN203732715U (en) | 2014-03-05 | 2014-03-05 | Electric energy meter withstand voltage test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203732715U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237841A (en) * | 2014-09-30 | 2014-12-24 | 国家电网公司 | Isolation type current leakage detecting device for electric energy meter insulation tests |
| 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 |
| CN107202944A (en) * | 2017-06-12 | 2017-09-26 | 国网辽宁省电力有限公司电力科学研究院 | The global function automatic voltage withstanding experimental rig of electricity management terminal calibrating installation |
| CN107390161A (en) * | 2017-08-12 | 2017-11-24 | 国网江西省电力公司电力科学研究院 | One kind is applied to electric energy meter automatic assembly line pressure-resistant apparatus |
| JP7443181B2 (en) | 2020-07-21 | 2024-03-05 | 株式会社東芝 | Withstanding voltage test equipment |
-
2014
- 2014-03-05 CN CN201420096694.9U patent/CN203732715U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237841A (en) * | 2014-09-30 | 2014-12-24 | 国家电网公司 | Isolation type current leakage detecting device for electric energy meter insulation tests |
| 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 |
| CN107202944A (en) * | 2017-06-12 | 2017-09-26 | 国网辽宁省电力有限公司电力科学研究院 | The global function automatic voltage withstanding experimental rig of electricity management terminal calibrating installation |
| CN107390161A (en) * | 2017-08-12 | 2017-11-24 | 国网江西省电力公司电力科学研究院 | One kind is applied to electric energy meter automatic assembly line pressure-resistant apparatus |
| JP7443181B2 (en) | 2020-07-21 | 2024-03-05 | 株式会社東芝 | Withstanding voltage test equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203732715U (en) | Electric energy meter withstand voltage test device | |
| CN102073027B (en) | Method for detecting action performance of failure indicator | |
| CN106646318B (en) | Performance checking system and method for turn-to-turn insulation test device of dry-type air-core reactor | |
| CN103852697B (en) | Cable partial discharge detection device | |
| CN202975229U (en) | Multipoint earthing detection locator for secondary circuits of transformer substations | |
| CN103616660A (en) | Power-down processing reliability test device and method for intelligent ammeters in interference environment | |
| CN103487713A (en) | Multipoint earthing trouble shooting equipment for substation voltage transformer secondary circuit | |
| CN104614604A (en) | 10kV cable fault simulation device and fault simulation method | |
| CN204167872U (en) | Underground coal mine electrical network selective earth leakage protection checkout gear | |
| CN206178105U (en) | Breaker closing resistance drops into process contact spring detection device | |
| CN105527468A (en) | Comprehensive test transformation device for high voltage switch cabinet | |
| CN203275535U (en) | Testing device for dynamic characteristics of IGBT two-unit power device module | |
| CN202794457U (en) | Device for accurately measuring tripping time of circuit breaker | |
| CN103018702A (en) | Fast checking method of high-voltage cabinet current transformer secondary loop line | |
| CN105866592B (en) | Dynamic passive compensation response wave shape acquisition system and acquisition method | |
| CN201757762U (en) | Circuit breaker tripping and closing voltage tester | |
| CN203894385U (en) | Circuit breaker arc voltage characteristic testing device | |
| CN103675550B (en) | General automobile radio and tape player performance test load box | |
| CN207281165U (en) | A kind of induced voltage detection device and its control system | |
| CN203337754U (en) | Resonance eliminator detection apparatus | |
| CN206541018U (en) | A kind of multipoint grounding seeking instrument of voltage transformer | |
| CN203759170U (en) | Detecting device for winding insulation states of electromagnetic current transformer | |
| CN201974517U (en) | Metering detection device for earth resistance testers | |
| CN104316838A (en) | Direct current superposition method measurement circuit | |
| CN202903931U (en) | Relay protection tripping node calibration apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140723 Termination date: 20200305 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |