CN102419384A - Low-voltage electric energy metering device capable of being assembled and disassembled in electrified state - Google Patents
Low-voltage electric energy metering device capable of being assembled and disassembled in electrified state Download PDFInfo
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- CN102419384A CN102419384A CN2010105003737A CN201010500373A CN102419384A CN 102419384 A CN102419384 A CN 102419384A CN 2010105003737 A CN2010105003737 A CN 2010105003737A CN 201010500373 A CN201010500373 A CN 201010500373A CN 102419384 A CN102419384 A CN 102419384A
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Abstract
The invention discloses a low-voltage electric energy metering device capable of being assembled and disassembled in electrified state. The device comprises a current mutual inductor, an electric energy meter box and an insulating wire clamp; the current mutual inductor is mounted on a low-voltage phase wire, the low-voltage phase wire passes through a central hole of a current mutual inductor iron core, a secondary winding outgoing line of the current mutual inductor is connected with the electric energy meter, the current mutual inductor is mounted in the electric energy meter box body or an indoor/outdoor low-voltage phase wire; the electric energy meter is directly clamped on the phase wire by the insulating wire clamp to collect voltage data required by the electric energy meter; the electric energy meter box body is mounted on an electric pole or a transformer rack; a three-phase four-wire electric energy meter is mounted in the electric energy meter box. When assembling and disassembling the electric energy metering device for assessing, the operation can be performed in electrified state without influencing the power supply to the user; the low-voltage electric energy metering device provided by the invention can improve the reliability of power supply and increase the enterprise and social benefit.
Description
Technical field
The present invention relates to a kind of depression belt Denso and tear electric power meter open, is a kind of low-voltage network branch line, on-the-spot low voltage electric energy measure device of substation transformer of being applied to.
Background technology
At present, along with the industrial and agricultural production great development, national economy improves rapidly, and living standards of the people constantly promote, and power industry is also developed on an unprecedented scale, and national intelligent grid construction is maked rapid progress.The electric power of electrical network is delivered to huge numbers of families after through power distribution network and substation transformer transformation; The low-voltage network circuit of current operation, transformer low voltage field electric energy measurement device all are fixed, and mounting or dismounting need to have a power failure and carry out, and particularly electric power meter is used in examination; Mounting or dismounting have a power failure frequent; Influence user's power supply, reduce power supply reliability, influence power supply enterprise and social benefit.
Just can avoid frequent power cut problem if adopt charged mounting or dismounting electric power meter.
Summary of the invention
The present invention provides a kind of depression belt Denso to tear electric power meter open, and he can avoid mounting or dismounting examinations with the electric power meter frequent problem that has a power failure, and improves power supply reliability.
The depression belt Denso is torn electric power meter open, comprises current transformer, electric energy meter case, insulating clamp; Said current transformer is installed on the low pressure phase line, and low pressure one phase line is passed said current transformer core interstitial hole, and the secondary winding in current transformer outlet connects electric energy meter, current transformer be installed in the electric energy meter casing or indoor and outdoor low pressure phase line on; Said electric energy meter casing be installed on the electric pole or the transformer stand on, the three-phase and four-line electric energy meter is installed in the electric energy meter case; Electric energy meter required voltage data are utilized insulating clamp directly to be clipped on the phase line and are gathered.
Said current transformer is a kind of current transformer of threading type, comprises current transformer, protective jacket, insulated handle, control lever, support bar, a support spring, iron core extension spring; Said iron core is two semicircles, and a semicircle is movable, and another semicircle is fixed; Said protective jacket is fixing with iron core; Said insulated handle is fixed on said protective jacket lower end; Said control lever upper end is fixed on movable protective jacket upper end; Said support bar one termination is fixed on said insulated handle upper end, and another termination and said control lever are dynamically connected, and said support spring two ends is fixedly connected with said insulated handle, control lever respectively;
Said secondary winding in current transformer is enclosed within on the semicircle of iron core; One phase line is passed the middle circular hole of iron core; Two semicircle iron core open upper end, lower ending opening is movable, the iron core lower ending opening leans on the iron core extension spring to connect; Said iron core upper and lower end opening surface is shaped on iron core jack, latch, and said protective jacket covers on the mutual inductor; Said secondary winding in current transformer outlet connects electric energy meter case internal wiring terminal row.
Said electric energy meter case comprises electric energy meter, connecting terminal block, metal cabinet; Said electric energy meter is the three-phase and four-line tabulation, and the three-phase and four-line tabulation is gained merit and shown, has idle table; Said electric energy meter, connecting terminal block are installed in the metal cabinet; Three-phase and four-line tabulation tail connection terminal connects said connecting terminal block, and said connecting terminal block connects said secondary winding in current transformer outlet termination respectively; The voltage signal data are utilized insulating clamp directly to be clipped on the phase line and are gathered.
Said insulating clamp comprises insulation sleeve, clamping frame, drift bolt, spring, folder tooth, lever, voltage signal lead-in wire; Said insulation sleeve is enclosed within on the clamping frame, and two clamping frames are fixed with drift bolt, sleeve spring on the drift bolt, and said folder tooth, lever and clamping frame are one, said voltage signal lead-in wire is connected with lever.
This depression belt Denso is torn electric power meter open, be according to the exploitation of on-the-spot actual needs a kind ofly be applied to power distribution network, the transformer on-site assessment is used electric power meter.The relative prior art of the present invention has outstanding substantive distinguishing features and obvious improvement property, and specifically, it is reasonable in design that this depression belt Denso is torn electric power meter open, desirable realization distribution line, transformer on-site assessment use electric power meter.This depression belt Denso is torn the concrete advantage of electric power meter open:
This depression belt Denso is torn the application of electric power meter open, can avoid examination to install and remove frequent power cut problem with electric energy metrical, when dress is put in mounting or dismounting examination electricity consumption metering; No longer have a power failure; Do not influence power supply, can improve power supply reliability, increase enterprise and social benefit the user.
Description of drawings
Fig. 1 tears electric power meter open for depression belt Denso of the present invention and forms synoptic diagram;
Fig. 2 is a current transformer structural representation of the present invention;
Fig. 3 forms synoptic diagram for electric energy meter case of the present invention
Fig. 4 is an insulating clamp composition diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed description:
Fig. 1 tears the electric power meter structural representation open for depression belt Denso of the present invention, comprises electric energy meter case 1, current transformer 2;
Said current transformer has three, is respectively TA1, TA2, TA3, and TA1 is installed on the phase line L1, and TA2 is installed on the phase line L2, and TA3 is installed on the phase line L3, and phase line is passed said current transformer core interstitial hole.
Current transformer TA1 Secondary Winding outlet termination is respectively TA121, TA122, and outlet termination TA121 connects electric energy meter case internal wiring terminal row 1, and outlet termination TA122 connects electric energy meter case internal wiring terminal row 7; Current transformer TA2 Secondary Winding outlet termination is respectively TA221, TA222, and outlet termination TA221 connects electric energy meter case internal wiring terminal row 3, and outlet termination TA222 connects electric energy meter case internal wiring terminal row 7.Current transformer TA3 Secondary Winding outlet termination is respectively TA321, TA322, and outlet termination TA321 connects electric energy meter case internal wiring terminal row 5, and outlet termination TA322 connects electric energy meter case internal wiring terminal row 7.
The voltage data of electric energy meter is gathered the mode of connection; Phase line L1 connects electric energy meter case internal wiring terminal row 2; Phase line L2 connects electric energy meter case internal wiring terminal row 4, and phase line L3 connects electric energy meter case internal wiring terminal row 6, and zero line N connects electric energy meter case internal wiring terminal row 8.
Said electric energy meter case be installed on the electric pole or the transformer stand on, three-phase and four-line active energy gauging table and connecting terminal block are installed in the electric energy meter case.
Fig. 2 is a current transformer structural representation of the present invention, and said current transformer is a kind of threading type, comprises current transformer 21; Protective jacket 22, support bar 23, a support spring 24; Control lever 25, insulation handle 26, secondary winding in current transformer outlet termination 27; Iron core extension spring 28, iron core opening surface jack, latch 29;
Said iron core is two semicircles, and a semicircle is movable, and another semicircle is fixed; Said protective jacket is fixing with iron core; Said insulated handle is fixed on said protective jacket lower end; Said control lever upper end is fixed on movable protective jacket upper end; Said support bar one termination is fixedly connected with said insulated handle, and the other end and said control lever are dynamically connected, and said support spring two ends is fixedly connected with said insulated handle, control lever respectively;
Said secondary winding in current transformer is enclosed within on the semicircle of iron core; One phase line is passed the middle circular hole of iron core; Two semicircle iron core open upper end, lower ending opening is movable, the iron core lower ending opening leans on the iron core extension spring to connect; The latch of iron core upper and lower end opening surface inserted in the jack when said iron core was closed, and protective jacket covers on the mutual inductor; Said secondary winding in current transformer outlet connects electric energy meter case internal wiring terminal row.
When the current transformer operation is installed, hold tight insulation handle, control lever, open the iron core port, phase line is put into the middle circular hole of iron core, hand is decontroled control lever, and iron core is closed, and fitting operation finishes.
Fig. 3 is an electric energy meter box structure synoptic diagram of the present invention, and said electric energy meter case comprises electric energy meter 31, metal cabinet 32, connecting terminal block 33; Said electric energy meter is the meritorious table of three-phase three-wire system, and said electric energy meter, connecting terminal block are installed in the metal cabinet.
Connecting terminal block has 8 connection terminals; Be respectively 1,2,3,4,5,6,7,8; The meritorious table table tail connection terminal of three-phase four-wire system has 8; Be respectively 1,2,3,4,5,6,7,8, table tail connection terminal 1,2,3,4,5,6,7,8 connects 1,2,3,4,5,6,7,8 of said connecting terminal block respectively, and said connecting terminal block connects said secondary winding in current transformer terminal stud, voltage signal data terminal stud respectively.
The electric energy meter case be installed on the electric pole or the transformer stand on.
Fig. 4 is an insulating clamp composition diagram of the present invention, comprises insulation sleeve 41, folder tooth 42, spring 43, drift bolt 44, clamping frame 45, lever 46, voltage signal lead-in wire 47; Said insulation sleeve is enclosed within on the clamping frame, and two clamping frames are fixed with drift bolt, sleeve spring on the drift bolt, and said folder tooth, lever and clamping frame are one, said voltage signal lead-in wire is connected with lever.
During fitting operation, hold tight two insulation sleeve clamp holders, open the insulating clamp port, phase line is put in the middle of the insulating clamp, hand is decontroled, and insulating clamp is closed, and fitting operation finishes.
Should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not to its restriction; Although with reference to preferred embodiment the present invention has been carried out detailed explanation, the those of ordinary skill in affiliated field is to be understood that: still can specific embodiments of the invention make amendment or the part technical characterictic is equal to replacement; And not breaking away from the spirit of technical scheme of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (4)
1. a depression belt Denso is torn electric power meter open, it is characterized in that: comprise current transformer, electric energy meter case, insulating clamp; Said current transformer is installed on the low pressure phase line, and low pressure one phase line is passed said current transformer core interstitial hole, and the secondary winding in current transformer outlet connects electric energy meter, current transformer be installed in the electric energy meter casing or indoor and outdoor low pressure phase line on; Said electric energy meter casing be installed on the electric pole or the transformer stand on, the three-phase and four-line electric energy meter is installed in the electric energy meter case; Electric energy meter required voltage data are utilized insulating clamp directly to be clipped on the phase line and are gathered.
2. the described depression belt Denso of claim 1 is torn electric power meter open, and it is characterized in that: said current transformer is a kind of current transformer of threading type, comprises current transformer, protective jacket, insulated handle, control lever, support bar, a support spring, iron core extension spring; Said iron core is two semicircles, and a semicircle is movable, and another semicircle is fixed; Said protective jacket is fixing with iron core; Said insulated handle is fixed on said protective jacket lower end; Said control lever upper end is fixed on movable protective jacket upper end; Said support bar one termination is fixed on said insulated handle upper end, and another termination and said control lever are dynamically connected, and said support spring two ends is fixedly connected with said insulated handle, control lever respectively;
Said secondary winding in current transformer is enclosed within on the semicircle of iron core; One phase line is passed the middle circular hole of iron core; Two semicircle iron core open upper end, lower ending opening is movable, the iron core lower ending opening leans on the iron core extension spring to connect; Said iron core upper and lower end opening surface is shaped on iron core jack, latch, and said protective jacket covers on the mutual inductor; Said secondary winding in current transformer outlet connects electric energy meter case internal wiring terminal row.
3. the described depression belt Denso of claim 1 is torn electric power meter open, it is characterized in that: said electric energy meter case comprises electric energy meter, connecting terminal block, metal cabinet; Said electric energy meter is the three-phase and four-line tabulation, and the three-phase and four-line tabulation is gained merit and shown, has idle table; Said electric energy meter, connecting terminal block are installed in the metal cabinet; Three-phase and four-line tabulation tail connection terminal connects said connecting terminal block, and said connecting terminal block connects said secondary winding in current transformer outlet termination respectively; The voltage signal data are utilized insulating clamp directly to be clipped on the phase line and are gathered.
4. the described depression belt Denso of claim 1 is torn electric power meter open, it is characterized in that: said insulating clamp comprises insulation sleeve, clamping frame, drift bolt, spring, folder tooth, lever, voltage signal lead-in wire; Said insulation sleeve is enclosed within on the clamping frame, and two clamping frames are fixed with drift bolt, sleeve spring on the drift bolt, and said folder tooth, lever and clamping frame are one, said voltage signal lead-in wire is connected with lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105003737A CN102419384A (en) | 2010-09-24 | 2010-09-24 | Low-voltage electric energy metering device capable of being assembled and disassembled in electrified state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105003737A CN102419384A (en) | 2010-09-24 | 2010-09-24 | Low-voltage electric energy metering device capable of being assembled and disassembled in electrified state |
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| CN102419384A true CN102419384A (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105003737A Pending CN102419384A (en) | 2010-09-24 | 2010-09-24 | Low-voltage electric energy metering device capable of being assembled and disassembled in electrified state |
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| CN (1) | CN102419384A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499722A (en) * | 2013-09-25 | 2014-01-08 | 国家电网公司 | Six-way type device for fast assembling and disassembling ammeter in non-outage way |
| CN103499721A (en) * | 2013-09-25 | 2014-01-08 | 国家电网公司 | Arrayed incoming-line six-way type device for fast assembling and disassembling ammeter in non-outage way |
| CN103499720A (en) * | 2013-09-25 | 2014-01-08 | 国家电网公司 | Arrayed incoming-line four-way type device for fast assembling and disassembling ammeter in non-outage way |
| CN103499724A (en) * | 2013-09-25 | 2014-01-08 | 国家电网公司 | Four-way type no-power-outage device for quickly assembling and disassembling meter |
| CN103513076A (en) * | 2013-09-25 | 2014-01-15 | 国家电网公司 | Row-type line-incoming five-way quick meter assembling and disassembling device with no need for cutting off power supply |
| CN105223393A (en) * | 2015-10-20 | 2016-01-06 | 浙江华采科技有限公司 | A kind of can the low-voltage circuit electric power meter of charged installation |
| CN105259381A (en) * | 2015-10-28 | 2016-01-20 | 江苏省电力公司常州供电公司 | Portable active electric energy metering device |
| CN107290571A (en) * | 2016-03-31 | 2017-10-24 | 国家电网公司 | A kind of circuit electric power meter |
| CN108761197A (en) * | 2018-03-02 | 2018-11-06 | 国网山东省电力公司潍坊供电公司 | Can hot line job mobile examination metering method and realize the device of this method |
| CN108896798A (en) * | 2018-07-09 | 2018-11-27 | 国网山东省电力公司莱芜供电公司 | A kind of electric energy metering device |
| CN109212286A (en) * | 2018-09-27 | 2019-01-15 | 广东电网有限责任公司 | A kind of generator car mobile metering device |
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| CN2615928Y (en) * | 2003-04-01 | 2004-05-12 | 周友东 | Outdoor dry type high-voltage electric metering box |
| CN201498350U (en) * | 2009-07-31 | 2010-06-02 | 奥菲科泰电气(北京)有限公司 | Outdoor open current mutual inductor |
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2010
- 2010-09-24 CN CN2010105003737A patent/CN102419384A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2615928Y (en) * | 2003-04-01 | 2004-05-12 | 周友东 | Outdoor dry type high-voltage electric metering box |
| CN201498350U (en) * | 2009-07-31 | 2010-06-02 | 奥菲科泰电气(北京)有限公司 | Outdoor open current mutual inductor |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499720B (en) * | 2013-09-25 | 2016-03-02 | 国家电网公司 | A kind of row's formula inlet wire tubing type does not have a power failure rapid-assembling/disassembling meter apparatus |
| CN103499724B (en) * | 2013-09-25 | 2016-03-02 | 国家电网公司 | A kind of tubing type does not have a power failure rapid-assembling/disassembling meter apparatus |
| CN103499722A (en) * | 2013-09-25 | 2014-01-08 | 国家电网公司 | Six-way type device for fast assembling and disassembling ammeter in non-outage way |
| CN103499724A (en) * | 2013-09-25 | 2014-01-08 | 国家电网公司 | Four-way type no-power-outage device for quickly assembling and disassembling meter |
| CN103513076B (en) * | 2013-09-25 | 2016-03-02 | 国家电网公司 | A kind of row's formula inlet wire five-way type does not have a power failure rapid-assembling/disassembling meter apparatus |
| CN103499721A (en) * | 2013-09-25 | 2014-01-08 | 国家电网公司 | Arrayed incoming-line six-way type device for fast assembling and disassembling ammeter in non-outage way |
| CN103499721B (en) * | 2013-09-25 | 2016-03-02 | 国家电网公司 | A kind of row's formula inlet wire six general formula does not have a power failure rapid-assembling/disassembling meter apparatus |
| CN103499722B (en) * | 2013-09-25 | 2016-03-02 | 国家电网公司 | A kind of six general formulas do not have a power failure rapid-assembling/disassembling meter apparatus |
| CN103499720A (en) * | 2013-09-25 | 2014-01-08 | 国家电网公司 | Arrayed incoming-line four-way type device for fast assembling and disassembling ammeter in non-outage way |
| CN103513076A (en) * | 2013-09-25 | 2014-01-15 | 国家电网公司 | Row-type line-incoming five-way quick meter assembling and disassembling device with no need for cutting off power supply |
| CN105223393A (en) * | 2015-10-20 | 2016-01-06 | 浙江华采科技有限公司 | A kind of can the low-voltage circuit electric power meter of charged installation |
| CN105259381A (en) * | 2015-10-28 | 2016-01-20 | 江苏省电力公司常州供电公司 | Portable active electric energy metering device |
| CN105259381B (en) * | 2015-10-28 | 2017-05-10 | 江苏省电力公司常州供电公司 | Portable active electric energy metering device |
| CN107290571A (en) * | 2016-03-31 | 2017-10-24 | 国家电网公司 | A kind of circuit electric power meter |
| CN108761197A (en) * | 2018-03-02 | 2018-11-06 | 国网山东省电力公司潍坊供电公司 | Can hot line job mobile examination metering method and realize the device of this method |
| CN108896798A (en) * | 2018-07-09 | 2018-11-27 | 国网山东省电力公司莱芜供电公司 | A kind of electric energy metering device |
| CN109212286A (en) * | 2018-09-27 | 2019-01-15 | 广东电网有限责任公司 | A kind of generator car mobile metering device |
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Application publication date: 20120418 |