CN103605104A - Three-phase electric energy meter field detection termination - Google Patents
Three-phase electric energy meter field detection termination Download PDFInfo
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- CN103605104A CN103605104A CN201310420224.3A CN201310420224A CN103605104A CN 103605104 A CN103605104 A CN 103605104A CN 201310420224 A CN201310420224 A CN 201310420224A CN 103605104 A CN103605104 A CN 103605104A
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- 238000001514 detection method Methods 0.000 title claims abstract description 6
- 238000012360 testing method Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 241000270722 Crocodylidae Species 0.000 description 3
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Abstract
本发明提供一种三相电能表现场检测接线装置，其安装于三相电能表上，与电能表检测仪连接，包括：弹簧定位柱测试针，以及电力插座A相、B相、C相、N相；所述弹簧定位柱测试针接触所述三相电能表A相、B相、C相、N相的电压螺钉以采集其电压值，并通过导线与所述电力插座A相、B相、C相、N相电连接。实施本发明提供的三相电能表现场检测接线装置，可以减少人为接触电压机会，并保证足够的安全距离，达到全面的安全性和可靠性。
The invention provides a three-phase electric energy meter on-site detection wiring device, which is installed on the three-phase electric energy meter and connected to the electric energy meter detector, including: a spring positioning post test needle, and a phase A, phase B, phase C of the power socket, Phase N; the spring positioning column test needle contacts the voltage screws of phase A, phase B, phase C and phase N of the three-phase electric energy meter to collect its voltage value, and connects the phase A and phase B of the power socket through a wire , C phase, N phase electrical connection. The implementation of the three-phase electric energy meter on-site detection wiring device provided by the present invention can reduce the chance of artificial voltage contact, and ensure a sufficient safety distance to achieve comprehensive safety and reliability.
Description
Technical field
The present invention relates to power technology field, relate in particular to a kind of three-phase electric energy meter on-site and detect termination.
Background technology
Three-phase electric energy meter in use, due to in electric process, to electric energy metrical, accuracy exists objection; Or need to ask according to metering cycle, need detect at the scene the accuracy of electric energy meter.Testing process need sample voltage U and the current value I of electric energy, draw correct electric energy meter according to electric current, magnitude of voltage in standard electric energy meter metering, and the energy value of more on-the-spot use electric energy meter output, draws error.
In the process of testing at the scene and sampling, because user is having a power failure with electric process inconvenience, when making alive is measured, need directly contact electricity, have certain risk and unreliability.
General detection is to adopt voltage conductive clip (crocodile clip), by crocodile clip, clamping the voltage screw of electric energy meter, but because the design of field condition and all kinds of electric energy meters is different, crocodile clip may press from both sides that unstable (screw head is not of uniform size less than voltage screw (as the ZMD450 electric energy meter of Charles Rangel and love are opened up sharp SL7000 electric energy meter) and folder, easily come off), have some unreliabilities and certain insecurity, consequence severe patient can cause getting an electric shock.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of three-phase electric energy meter on-site and detect termination, it is installed on three-phase electric energy meter, is connected with electric energy meter detector, comprising: spring reference column testing needle, and power receptacle A phase, B phase, C phase, N phase; Described spring reference column testing needle contacts the voltage screw of described three-phase electric energy Table A phase, B phase, C phase, N phase to gather its magnitude of voltage, and is electrically connected with described power receptacle A phase, B phase, C phase, N by wire.
Wherein, described power receptacle A phase, B phase, C phase, N are connected with described electric energy meter detector through wire mutually, the magnitude of voltage of three-phase electric energy Table A phase, B phase, C phase, N phase are linked into the voltage sample port of electric energy meter detector.
Wherein, described three-phase electric energy meter on-site detects termination and also comprises totally-enclosed transparent shell, and described shell is fixed on the button lid gib screw of described three-phase electric energy meter by gib screw.
Wherein, described device also comprises: for detection of the current value of the A phase of described three-phase electric energy meter, B phase, C phase, N phase, and access the split core type current transformer of the current sample port of described electric energy meter detector.
Wherein, described spring reference column testing needle measuring distance height is 0～20mm.
Wherein, the contact length of described power receptacle is more than or equal to 10mm, and contact engaging and separating force is more than or equal to 10N.
Implement three-phase electric energy meter on-site provided by the invention and detect termination, can reduce artificial touch voltage chance, and guarantee enough safe distances, reach comprehensive safety and reliability.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation that three-phase electric energy meter on-site provided by the invention detects termination;
Fig. 2 is the decomposing schematic representation that three-phase electric energy meter on-site provided by the invention detects termination;
Fig. 3 is that three-phase electric energy meter on-site provided by the invention detects termination and electric energy meter and electric energy meter detector survey connection diagram.
Embodiment
Referring to Fig. 1 and Fig. 2, be respectively structural representation and decomposing schematic representation that three-phase electric energy meter on-site provided by the invention detects termination.
The invention provides a kind of three-phase electric energy meter on-site and detect termination, it is installed on three-phase electric energy meter, is connected with electric energy meter detector, comprising: spring reference column testing needle 6, and power receptacle A mutually 1, B mutually 2, C mutually 3, N phase 4; The voltage screw of the described three-phase electric energy Table A phase of described spring reference column testing needle 6 contact, B phase, C phase, N phase to be to gather its magnitude of voltage, and by wire and described power receptacle A mutually 1, B mutually 2, C mutually 3, N phase 4 is electrically connected to.
Wherein, described power receptacle is 4mm universal electric power socket.
Wherein, described three-phase electric energy meter on-site detects termination and also comprises totally-enclosed transparent shell 7, and described shell 7 is fixed on the button lid gib screw of described three-phase electric energy meter by gib screw.
As shown in Figure 3, power test instrument 22 detects by three-phase electric energy meter on-site provided by the invention the A phase that termination is linked into respectively electric energy meter 21, B phase, C phase, each binding post of N phase, three-phase electric energy meter on-site detects termination and is linked into electric energy meter detector 22 voltage sample ports through wire 24, gather the A phase of the electric energy meter 21 in using, B phase, C phase, each phase voltage of N phase, and logical split core type current transformer 26 detects A phase, B phase, C is each phase current values mutually, the current sample port 23 of access electric energy meter detector 22, by electric energy meter detector and electrical energy meter electricity energy comparison, draw the relative error of electric energy meter.
Three-phase electric energy meter on-site provided by the invention detects the on-the-spot test that termination is applied to electric energy meter, the magnitude of voltage that uses this device can sample in the use procedure of electric energy meter, output in electric energy meter detector, and by digital sample and the DSP technology of electric energy meter detector, realized multifunctional measuring, comprise voltage effective value, current effective value, active power, reactive power, applied power, power factor, frequency, phase place, harmonic wave, real-time waveform, the no-load voltage ratio of current transformer and phase differential etc., the data of sampling and obtaining by electric weight output and the electric energy meter detector of electric energy meter, can contrast the error amount that draws electric energy meter.
Three-phase electric energy meter on-site of the present invention detects termination by being arranged on the terminal box of electric energy meter, the touch voltage circuit of 2,5,8,10 each terminals by electric energy meter, and the A phase of sampling respectively, B phase, C phase, N phase each point circuit voltage, voltage tester adopts two spring reference column testing needles 6, this tests 6 needle sets certain elasticity, measuring distance height 0-20mm, guarantee to contact complete reliable, and solve by two spring reference columns the possibility that test process loose contact produces discharge spark, safe.
Electric energy meter detector be wired to 4mm universal electric power socket A mutually 1, B mutually 2, C mutually 3, N is mutually on 4, power receptacle connects can be reliable, contact length surpasses 10mm, connects distance, reliable.Contact engaging and separating force is greater than 10N, effectively prevents from coming off.
In addition, three-phase electric energy meter on-site of the present invention detects termination and has totally-enclosed transparent outer cover 7, is convenient to observe each wiring situation, and shell 7 is arranged on electric energy meter terminal lid gib screw by 2 M4 screws 5, and easy for installation, reliability is good.
It should be noted that; what the present invention described is a kind of product form that three-phase electric energy meter on-site detects termination; other meets the product of structure of the present invention; even if material, device name, outward appearance, device are put order etc., not affect the factor of product performance not identical, still belongs to the scope of protection of the invention.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (6)
1. three-phase electric energy meter on-site detects a termination, it is characterized in that, it is installed on three-phase electric energy meter, is connected with electric energy meter detector, comprising: spring reference column testing needle, and power receptacle A phase, B phase, C phase, N phase; Described spring reference column testing needle contacts the voltage screw of described three-phase electric energy Table A phase, B phase, C phase, N phase to gather its magnitude of voltage, and is electrically connected with described power receptacle A phase, B phase, C phase, N by wire.
2. three-phase electric energy meter on-site as claimed in claim 1 detects termination, it is characterized in that, described power receptacle A phase, B phase, C phase, N are connected with described electric energy meter detector through wire mutually, the magnitude of voltage of three-phase electric energy Table A phase, B phase, C phase, N phase are linked into the voltage sample port of electric energy meter detector.
3. three-phase electric energy meter on-site as claimed in claim 2 detects termination, it is characterized in that, described three-phase electric energy meter on-site detects termination and also comprises totally-enclosed transparent shell, and described shell is fixed on the button lid gib screw of described three-phase electric energy meter by gib screw.
4. three-phase electric energy meter on-site as claimed in claim 3 detects termination, it is characterized in that, described device also comprises: for detection of the current value of the A phase of described three-phase electric energy meter, B phase, C phase, N phase, and access the split core type current transformer of the current sample port of described electric energy meter detector.
5. three-phase electric energy meter on-site as claimed in claim 4 detects termination, it is characterized in that, described spring reference column testing needle measuring distance height is 0～20mm.
6. three-phase electric energy meter on-site as claimed in claim 5 detects termination, it is characterized in that, the contact length of described power receptacle is more than or equal to 10mm, and contact engaging and separating force is more than or equal to 10N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310420224.3A CN103605104A (en) | 2013-09-16 | 2013-09-16 | Three-phase electric energy meter field detection termination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310420224.3A CN103605104A (en) | 2013-09-16 | 2013-09-16 | Three-phase electric energy meter field detection termination |
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| Publication Number | Publication Date |
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| CN103605104A true CN103605104A (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310420224.3A Pending CN103605104A (en) | 2013-09-16 | 2013-09-16 | Three-phase electric energy meter field detection termination |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954803A (en) * | 2014-05-16 | 2014-07-30 | 国家电网公司 | Communication adapter and connector |
| CN108008345A (en) * | 2018-01-19 | 2018-05-08 | 陈劲游 | A buckle-type single-phase electric energy meter on-site calibrator |
| CN111458675A (en) * | 2020-05-22 | 2020-07-28 | 国网安徽省电力有限公司亳州供电公司 | A kind of electric energy meter test line fixed hanger |
| CN115421096A (en) * | 2022-09-19 | 2022-12-02 | 广东电网有限责任公司 | On-spot check-up auxiliary device of three-phase electric energy meter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2521625Y (en) * | 2001-12-24 | 2002-11-20 | 朱伟 | Binding post for three-phase electric meter checking |
| US20100295693A1 (en) * | 2007-11-09 | 2010-11-25 | Hilmir Ingi Jonsson | Ground terminal block fault indicator |
| JP2011013091A (en) * | 2009-07-01 | 2011-01-20 | Tokyo Electric Power Co Inc:The | Testing device of power transmission stop/stop-release device |
| CN102798838A (en) * | 2012-08-29 | 2012-11-28 | 重庆市电力公司电力科学研究院 | Pluggable safety junction box for site calibration of electric energy meter |
| CN103245812A (en) * | 2013-06-03 | 2013-08-14 | 国家电网公司 | Integrated wiring device for carrying out voltage measurement on electric energy meter |
-
2013
- 2013-09-16 CN CN201310420224.3A patent/CN103605104A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2521625Y (en) * | 2001-12-24 | 2002-11-20 | 朱伟 | Binding post for three-phase electric meter checking |
| US20100295693A1 (en) * | 2007-11-09 | 2010-11-25 | Hilmir Ingi Jonsson | Ground terminal block fault indicator |
| JP2011013091A (en) * | 2009-07-01 | 2011-01-20 | Tokyo Electric Power Co Inc:The | Testing device of power transmission stop/stop-release device |
| CN102798838A (en) * | 2012-08-29 | 2012-11-28 | 重庆市电力公司电力科学研究院 | Pluggable safety junction box for site calibration of electric energy meter |
| CN103245812A (en) * | 2013-06-03 | 2013-08-14 | 国家电网公司 | Integrated wiring device for carrying out voltage measurement on electric energy meter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954803A (en) * | 2014-05-16 | 2014-07-30 | 国家电网公司 | Communication adapter and connector |
| CN108008345A (en) * | 2018-01-19 | 2018-05-08 | 陈劲游 | A buckle-type single-phase electric energy meter on-site calibrator |
| CN111458675A (en) * | 2020-05-22 | 2020-07-28 | 国网安徽省电力有限公司亳州供电公司 | A kind of electric energy meter test line fixed hanger |
| CN115421096A (en) * | 2022-09-19 | 2022-12-02 | 广东电网有限责任公司 | On-spot check-up auxiliary device of three-phase electric energy meter |
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Application publication date: 20140226 |