CN201021936Y - Integrated device for power meter calibration and operation pressure resistance - Google Patents
Integrated device for power meter calibration and operation pressure resistance Download PDFInfo
- Publication number
- CN201021936Y CN201021936Y CNU2007201249229U CN200720124922U CN201021936Y CN 201021936 Y CN201021936 Y CN 201021936Y CN U2007201249229 U CNU2007201249229 U CN U2007201249229U CN 200720124922 U CN200720124922 U CN 200720124922U CN 201021936 Y CN201021936 Y CN 201021936Y
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- energy meter
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- 238000005070 sampling Methods 0.000 claims description 4
- 230000004075 alteration Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000012795 verification Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses an integrated device to check an electric energy meter and test the reading and the voltage endurance of the electric energy meter, which comprises a check device and a test device for the reading and the voltage endurance, wherein the outputs of the check device and the test device for the reading and the voltage endurance are connected with the electric energy meter to be tested by a high-tension relay, an alteration switch is used to control the high-tension relay to realize the switching between the check device and the test device for the reading and the voltage endurance. The utility model combines the check device and the test device for the reading and the voltage endurance of the electric energy meter into one body, which realizes the start test, the creeping test, the error test, the constant test and the alternative-current voltage endurance test of the electric energy meter by simply switching the alternation switch without repeatedly hanging and connecting the meter, connecting wires, recording the information of the meter and an intermediate transport process. Connecting wires once can complete all test items, and thereby labor amount is reduced and working efficiency is improved.
Description
Technical field
The utility model relates to a kind of calibrating installation of electric energy meter, particularly a kind of electrical energy meter calibration, the withstand voltage calibrating integrated apparatus of having good luck.
Background technology
The running-up test of electric energy meter, shunt running test, error test, constant test and AC voltage withstand test are crucial links in the electric energy meter calibration work.In the prior art, both at home and abroad the calibration equipment and the withstand voltage test equipment of electric energy meter separate, and verifications such as starting, shunt running, error, constant test are operated in to be carried out on the electric energy meter checking device, withstand voltagely carry out on the pressure-resistant apparatus of having good luck.Finish a calibration operation, the verification workman will repeat to articulate the table meter, repeats typing table meter information, has the trnasshipment engine route link, and workload is big, efficient is low.Though these two test events are different, for electric energy meter, wiring can be identical.
Therefore, the calibrating installation that needs a kind of electric energy meter, running-up test, shunt running test, error test, constant test and the AC voltage withstand test of electric energy meter can be switched by simple switch and be finished, and do not need to repeat to articulate the table meter, repeat typing table meter information and trnasshipment engine route link, thereby increase work efficiency.
The utility model content
In view of this, the purpose of this utility model provides a kind of electrical energy meter calibration, the withstand voltage calibrating integrated apparatus of having good luck, running-up test, shunt running test, error test, constant test and the AC voltage withstand test of electric energy meter can be switched by simple switch and be finished, and do not need to repeat to articulate the table meter, repeat typing table meter information and trnasshipment engine route link, thereby the minimizing labor capacity is increased work efficiency.
Electrical energy meter calibration of the present utility model, the withstand voltage calibrating integrated apparatus of having good luck, comprise calibration equipment and Withstand test device, described calibration equipment is made up of following circuit: the high-end and low side output of program-controlled voltage source links with low side with the voltage input of tested electric energy meter is high-end respectively, standard electric energy meter and tested electric energy meter parallel connection are at the high-end and low side of program-controlled voltage source, standard electric energy meter signal output part and Error Calculation system link, and the Error Calculation system obtains pulse signal from tested electric energy meter by on line or image sampling; Programmable current source, standard electric energy meter and tested electric energy meter are followed in series to form the loop; Program-controlled voltage source and programmable current source link with electric current and voltage phase place display respectively; Withstand test device is made up of following circuit: high-end output of ac voltage withstanding instrument and high-end the linking of tested electric energy meter input, and low side output links with tested electric energy meter earth terminal; Also be connected to high-voltage relay III between the input end of high-end output of described program-controlled voltage source and tested electric energy meter, the output of program-controlled voltage source low side also is connected to high-voltage relay V with the earth terminal of tested electric energy meter; In the loop that described programmable current source, standard electric energy meter and tested electric energy meter are followed in series to form, also be in series with high-voltage relay II between standard electric energy meter and the tested electric energy meter, also be in series with high-voltage relay IV between tested electric energy meter and the programmable current source negative pole;
The high-end output of ac voltage withstanding instrument links through another input contact of high-voltage relay III and tested electric energy meter input end, and low side output links through high-voltage relay I and tested electric energy meter earth terminal; The leakage current sampled signal is handled indicator and is serially connected between output of ac voltage withstanding instrument low side and the tested electric energy meter earth terminal, and its leakage current output is by ground connection behind the high-voltage relay I contact-actuating;
The contact-actuating of high-voltage relay II, high-voltage relay III, high-voltage relay IV, high-voltage relay V is connected in parallel on the driving power by switch.
Further, described electrical energy meter calibration, have good luck withstand voltage calibrating integrated apparatus circuit mesohigh and low-voltage circuit connect up respectively;
Further, described electrical energy meter calibration, the withstand voltage calibrating integrated apparatus of having good luck install insulating sleeve additional to the output circuit of tested electric energy meter;
Further, circuit in described electrical energy meter calibration, the withstand voltage calibrating integrated apparatus of having good luck adopts the above insulated line of withstand voltage 4000V, described high-voltage relay I, high-voltage relay II, high-voltage relay III, high-voltage relay IV) and high-voltage relay V voltage endurance capability greater than 10000V.
The beneficial effects of the utility model are: electrical energy meter calibration of the present utility model, the withstand voltage calibrating integrated apparatus of having good luck, calibration equipment and the withstand voltage device of having good luck are united two into one, running-up test, shunt running test, error test, constant test and the AC voltage withstand test of electric energy meter can be switched by simple switch and be finished, and do not need to repeat to articulate the table meter, repeat typing table meter information and trnasshipment engine route link, primary connection can be finished all calibrating projects, thereby the minimizing labor capacity is increased work efficiency.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Accompanying drawing is a schematic diagram of the present utility model;
Embodiment
Accompanying drawing is a schematic diagram of the present utility model, and as shown in the figure: model is that the output terminal of HY9153 calibration equipment 1 and the withstand voltage test unit 2 of having good luck is connected with tested electric energy meter 4.The model of high-voltage relay is LRL-102-100PCV.
Calibration equipment 1 is made up of following circuit: program-controlled voltage source 11 high-end outputs link by high-voltage relay III33 and tested electric energy meter 4 input ends, low side output links by high-voltage relay V35 and tested electric energy meter 4 voltage low sides, standard electric energy meter 13 and tested electric energy meter 4 are connected in the high-end and low side of program-controlled voltage source 11 in parallel, standard electric energy meter 13 signal output parts and Error Calculation system 14 link, and Error Calculation system 14 obtains pulse signal from tested electric energy meter 4 by the image sampling; Programmable current source 12 is connected in proper order with standard electric energy meter 13, high-voltage relay II 32, tested electric energy meter 4 and high-voltage relay IV34 and is constituted the loop; Program-controlled voltage source 11 links to each other with electric current and voltage phase place display 15 respectively with programmable current source 12.
The withstand voltage test unit 2 of having good luck is made up of following circuit: model is that the ac voltage withstanding instrument 21 high-end outputs of CY2671-D6A are connected with tested electric energy meter 4 input ends through high-voltage relay III33, and low side output is connected with tested electric energy meter 4 earth terminals through high-voltage relay I31; The leakage current sampled signal is handled indicator 22 and is serially connected between output of ac voltage withstanding instrument 21 low sides and tested electric energy meter 4 earth terminals, and its leakage current output is by ground connection behind the high-voltage relay I31 contact-actuating.
Certainly, above element or instrument can not limit protection domain of the present utility model, are not limited to given model of above embodiment or type, also can achieve the goal with the element or the instrument of other models or type.
The present embodiment relay is normally closed when closing state, and calibration equipment 1 links with tested electric energy meter 4.
In use, when carrying out withstand voltage test, change-over switch 5 turns to withstand voltage.Driving power 6 drives the adhesive of high-voltage relay III33 normally opened contact, connect ac voltage withstanding instrument 21, high-voltage relay II 32, high-voltage relay III33, high-voltage relay IV34 and the adhesive of high-voltage relay V35 normally opened contact simultaneously disconnects connecting of tested electric energy meter 4 and calibration equipment 1.By manually placing corresponding voltage withstand class, start withstand voltage button, ac voltage withstanding instrument 21 output voltages are the high-voltage relay I 31 of closure state through high-voltage relay III33, normality, output to tested electric energy meter, carry out withstand voltage test.Each epi-position all has leakage current sampling, signal Processing indication, and leakage current makes high-voltage relay I 31 adhesive cutoff high generator circuits by leakage current sampled signal processing indicator 22 after surpassing setting value, reaches safety, purpose simple to operate.
When carrying out verification, change-over switch 5 turns to verification.Change-over switch 5 disconnects driving power 6, high-voltage relay II32, high-voltage relay III33, high-voltage relay IV34, high-voltage relay V35 recover the normally closed state that closes, tested electric energy meter 4 connects with calibration equipment 1, simultaneously, disconnection connects with ac voltage withstanding instrument 21, and program-controlled voltage source 11 and current source 12 output voltage electric currents output to standard electric energy meter and tested electric energy meter and pass through the Error Calculation system through high-voltage relay and obtain error result.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (4)
1. electrical energy meter calibration, the withstand voltage calibrating integrated apparatus of having good luck, comprise calibration equipment (1) and the withstand voltage test unit of having good luck (2), described calibration equipment (1) is made up of following circuit: the high-end and low side output of program-controlled voltage source (11) links with low side with the voltage input of tested electric energy meter (4) is high-end respectively, standard electric energy meter (13) and the high-end and low side of tested electric energy meter (4) parallel connection at program-controlled voltage source (11), standard electric energy meter (13) signal output part and Error Calculation system (14) link, and Error Calculation system (14) obtains pulse signal from tested electric energy meter (4) by on line or image sampling; Programmable current source (12), standard electric energy meter (13) and tested electric energy meter (4) are followed in series to form the loop; Program-controlled voltage source (11) and programmable current source (12) link with electric current and voltage phase place display (15) respectively; The withstand voltage test unit of having good luck (2) is made up of following circuit: high-end output of ac voltage withstanding instrument (21) and high-end the linking of tested electric energy meter (4) input, and low side output links with tested electric energy meter (4) earth terminal; It is characterized in that: also be connected to high-voltage relay III (33) between the input end of high-end output of described program-controlled voltage source (11) and tested electric energy meter (4), the output of program-controlled voltage source (11) low side also is connected to high-voltage relay V (35) with the earth terminal of tested electric energy meter (4); In the loop that described programmable current source (12), standard electric energy meter (13) and tested electric energy meter (4) are followed in series to form, also be in series with high-voltage relay II (32) between standard electric energy meter (13) and the tested electric energy meter (4), also be in series with high-voltage relay IV (34) between tested electric energy meter (4) and programmable current source (12) negative pole;
The high-end output of ac voltage withstanding instrument (21) links through another input contact of high-voltage relay III (33) and tested electric energy meter (4) input end, and low side output links with tested electric energy meter (4) earth terminal through high-voltage relay I (31); The leakage current sampled signal is handled indicator (22) and is serially connected between output of ac voltage withstanding instrument (21) low side and tested electric energy meter (4) earth terminal, and its leakage current output is by ground connection behind high-voltage relay I (31) contact-actuating;
The contact-actuating of high-voltage relay II (32), high-voltage relay III (33), high-voltage relay IV (34), high-voltage relay V (35) is connected in parallel on the driving power (6) by switch (5).
2. electrical energy meter calibration according to claim 1, the withstand voltage calibrating integrated apparatus of having good luck is characterized in that: described electrical energy meter calibration, have good luck withstand voltage calibrating integrated apparatus circuit mesohigh and low-voltage circuit connect up respectively.
3. electrical energy meter calibration according to claim 1 and 2, the withstand voltage calibrating integrated apparatus of having good luck is characterized in that: described electrical energy meter calibration, the resistance test of having good luck integrated apparatus install insulating sleeve additional to the output circuit of tested electric energy meter (4).
4. electrical energy meter calibration according to claim 3, the withstand voltage calibrating integrated apparatus of having good luck, it is characterized in that: the circuit in described electrical energy meter calibration, the withstand voltage calibrating integrated apparatus of having good luck adopts the above insulated line of withstand voltage 4000V, and high-voltage relay I (31), high-voltage relay II (32), high-voltage relay III (33), high-voltage relay IV (34) and high-voltage relay V (35) voltage endurance capability are greater than 10000V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201249229U CN201021936Y (en) | 2007-08-03 | 2007-08-03 | Integrated device for power meter calibration and operation pressure resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201249229U CN201021936Y (en) | 2007-08-03 | 2007-08-03 | Integrated device for power meter calibration and operation pressure resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201021936Y true CN201021936Y (en) | 2008-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201249229U Expired - Lifetime CN201021936Y (en) | 2007-08-03 | 2007-08-03 | Integrated device for power meter calibration and operation pressure resistance |
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| CN (1) | CN201021936Y (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852845A (en) * | 2010-06-03 | 2010-10-06 | 海盐新跃电器有限公司 | Integrated checking/counting device of intelligent electric energy meter |
| CN102221683A (en) * | 2011-03-30 | 2011-10-19 | 浙江省电力公司 | Withstand voltage testing device for energy meter |
| CN101556324B (en) * | 2009-05-12 | 2012-05-23 | 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 |
| CN102914760A (en) * | 2012-09-27 | 2013-02-06 | 中国电力科学研究院 | Direct-current power meter calibrating device |
| CN103513213A (en) * | 2012-06-27 | 2014-01-15 | 苏州工业园区新宏博通讯科技有限公司 | Apparatus for detecting aging of electric energy meter |
| 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 |
| CN103513214A (en) * | 2012-06-27 | 2014-01-15 | 苏州工业园区新宏博通讯科技有限公司 | Verification and detection method of electric energy meter |
| CN103513217A (en) * | 2012-06-27 | 2014-01-15 | 苏州工业园区新宏博通讯科技有限公司 | Detection apparatus for aging and working of electric energy meter and detection method thereof |
| 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 |
| CN104237840A (en) * | 2014-09-25 | 2014-12-24 | 国家电网公司 | Integrated junction device for single-phase kilowatt-hour meter inspection and electric strength test |
| US9207302B2 (en) | 2011-01-30 | 2015-12-08 | Xueming Jiang | Fully-automatic verification system for intelligent electric energy meters |
| 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 |
| 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 |
| CN111239673A (en) * | 2020-02-07 | 2020-06-05 | 云南电网有限责任公司电力科学研究院 | System and method for detecting residual current metering precision of electric energy meter |
-
2007
- 2007-08-03 CN CNU2007201249229U patent/CN201021936Y/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101556324B (en) * | 2009-05-12 | 2012-05-23 | 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 |
| CN101852845A (en) * | 2010-06-03 | 2010-10-06 | 海盐新跃电器有限公司 | Integrated checking/counting device of intelligent electric energy meter |
| CN101852845B (en) * | 2010-06-03 | 2013-05-01 | 海盐新跃电器有限公司 | Integrated checking/counting device of intelligent electric energy meter |
| US9207302B2 (en) | 2011-01-30 | 2015-12-08 | Xueming Jiang | Fully-automatic verification system for intelligent electric energy meters |
| CN102221683A (en) * | 2011-03-30 | 2011-10-19 | 浙江省电力公司 | Withstand voltage testing device for energy meter |
| CN102221683B (en) * | 2011-03-30 | 2013-07-03 | 浙江省电力公司 | Withstand voltage testing device for energy meter |
| CN103513214A (en) * | 2012-06-27 | 2014-01-15 | 苏州工业园区新宏博通讯科技有限公司 | Verification and detection method of electric energy meter |
| 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 |
| CN103513213A (en) * | 2012-06-27 | 2014-01-15 | 苏州工业园区新宏博通讯科技有限公司 | Apparatus for detecting aging of electric energy meter |
| CN103513217A (en) * | 2012-06-27 | 2014-01-15 | 苏州工业园区新宏博通讯科技有限公司 | Detection apparatus for aging and working of electric energy meter and detection method thereof |
| CN102914760B (en) * | 2012-09-27 | 2015-11-04 | 中国电力科学研究院 | A kind of direct current energy meter calibrating installation |
| CN102914760A (en) * | 2012-09-27 | 2013-02-06 | 中国电力科学研究院 | Direct-current power meter calibrating device |
| 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 |
| CN104237840A (en) * | 2014-09-25 | 2014-12-24 | 国家电网公司 | Integrated junction device for single-phase kilowatt-hour meter inspection and electric strength test |
| 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 |
| 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 |
| CN111239673A (en) * | 2020-02-07 | 2020-06-05 | 云南电网有限责任公司电力科学研究院 | System and method for detecting residual current metering precision of electric energy meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Effective date: 20130717 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130717 Address after: 401123 No. 80, Mount Huangshan Avenue, Yubei District, Chongqing Patentee after: Chongqing Electric Power Corp., China Electric Power Research Institute Patentee after: State Grid Corporation of China Address before: 401123 No. 80, Mount Huangshan Avenue, Yubei District, Chongqing Patentee before: Chongqing Electric Power Corp., China Electric Power Research Institute |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080213 |
|
| CX01 | Expiry of patent term |