CN201804029U - 220V and 380V charged assembly and disassembly electric energy metering device - Google Patents
220V and 380V charged assembly and disassembly electric energy metering device Download PDFInfo
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- CN201804029U CN201804029U CN2010205528641U CN201020552864U CN201804029U CN 201804029 U CN201804029 U CN 201804029U CN 2010205528641 U CN2010205528641 U CN 2010205528641U CN 201020552864 U CN201020552864 U CN 201020552864U CN 201804029 U CN201804029 U CN 201804029U
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- current transformer
- iron core
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Abstract
The utility model relates to a 220V and 380V charged assembly and disassembly electric energy metering device which comprises a current transformer, an electric energy meter box and an insulated wire clip, wherein the current transformer is installed on a low-voltage phase line which passes through a middle hole of an iron core of the current transformer; a secondary winding outgoing line of the current transformer is connected with an electric energy meter; the current transformer is installed in an electric energy meter box body or on the indoor and outdoor low-voltage phase line; the voltage data needed by the electric energy meter can be acquired by directly clamping the insulated wire clip on the phase line; the electric energy meter box body is installed on an electric pole or a transformer rack; and the electric energy meter box is internally provided with a three-phase four-wire electric energy meter. The 220V and 380V low-voltage charged assembly and disassembly electric energy metering device can be applied to assemble and disassemble a metering device for the assessment electricity when being charged, therefore, the power supply for users is not influenced, the reliability of the power supply is enhanced, and the enterprise and social benefits can be improved.
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, the on-the-spot 220V of substation transformer, 380V low voltage electric energy measure device 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 by power distribution network and substation transformer transformation, the low-voltage network circuit of current operation, transformer low voltage 220V, 380V field electric energy measurement device all are fixed, mounting or dismounting need to have a power failure and carry out, particularly examine and use electric power meter, 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 invention provides the charged mounting or dismounting electric power meter of a kind of 220V, 380V, 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 charged mounting or dismounting electric power meter of 220V, 380V comprises current transformer, electric energy meter case, insulating clamp; Described current transformer is installed on the low pressure phase line, and low pressure one phase line is passed described 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; Described 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.
Described 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; Described iron core is two semicircles, and a semicircle is movable, and another semicircle is fixed; Described protective jacket is fixing with iron core, described insulated handle is fixed on described protective jacket lower end, described control lever upper end is fixed on movable protective jacket upper end, described support bar one termination is fixed on described insulated handle upper end, another termination and described control lever are dynamically connected, and described support spring two ends fixedlyed connected with described insulated handle, control lever respectively;
Described 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 upper end open, lower ending opening is movable, the iron core lower ending opening connects by the iron core extension spring, described iron core upper and lower end opening surface is shaped on iron core jack, latch, and described protective jacket covers on the mutual inductor; Described secondary winding in current transformer outlet connects electric energy meter case internal wiring terminal row.
Described electric energy meter case comprises electric energy meter, connecting terminal block, metal cabinet; Described 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; Described electric energy meter, connecting terminal block are installed in the metal cabinet; Three-phase and four-line tabulation tail connection terminal connects described connecting terminal block, and described connecting terminal block connects described 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.
Described insulating clamp comprises insulation sleeve, clamping frame, drift bolt, spring, folder tooth, lever, voltage signal lead-in wire; Described 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 described folder tooth, lever and clamping frame are one, described voltage signal lead-in wire is connected with lever.
This 220V, 380V depression belt Denso are torn electric power meter open, are according to a kind of power distribution network, transformer on-site assessment electric power meter of being applied to of on-the-spot actual needs exploitation.The relative prior art of the present invention has outstanding substantive distinguishing features and obvious improvement, 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 with 220V, 380V electric power meter.This depression belt Denso is torn the concrete advantage of electric power meter open:
The application of the charged mounting or dismounting electric power meter of this 220V, 380V 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 forms synoptic diagram for the charged mounting or dismounting electric power meter of 220V of the present invention, 380V;
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
The present invention is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is the charged mounting or dismounting electric power meter of 220V of the present invention, a 380V structural representation, comprises electric energy meter case 1, current transformer 2;
Described 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 described 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.
Described 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, described current transformer is a kind of threading type, comprise current transformer 21, protective jacket 22, support bar 23, prop up 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;
Described iron core is two semicircles, and a semicircle is movable, and another semicircle is fixed; Described protective jacket is fixing with iron core, described insulated handle is fixed on described protective jacket lower end, described control lever upper end is fixed on movable protective jacket upper end, fixedly connected with described insulated handle in described support bar one termination, the other end and described control lever are dynamically connected, and described support spring two ends fixedlyed connected with described insulated handle, control lever respectively;
Described 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 upper end open, lower ending opening is movable, the iron core lower ending opening connects by the iron core extension spring, the latch of iron core upper and lower end opening surface inserted in the jack when described iron core was closed, and protective jacket covers on the mutual inductor; Described 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 upper port, phase line is put into the middle circular hole of iron core, hand is decontroled control lever, the iron core closure, and fitting operation finishes.
Fig. 3 is an electric energy meter box structure synoptic diagram of the present invention, and described electric energy meter case comprises electric energy meter 31, metal cabinet 32, connecting terminal block 33; Described electric energy meter is the meritorious table of three-phase three-wire system, and described 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 described connecting terminal block respectively, and described connecting terminal block connects described 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; Described 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 described folder tooth, lever and clamping frame are one, described voltage signal lead-in wire is connected with lever.
During fitting operation, hold tight two insulation sleeve clamp holders, open the insulating clamp upper port, phase line is put in the middle of the insulating clamp, hand is decontroled, the insulating clamp closure, and fitting operation finishes.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution 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. the charged mounting or dismounting electric power meter of 220V, 380V is characterized in that: comprise current transformer, electric energy meter case, insulating clamp; Described current transformer is installed on the low pressure phase line, and low pressure one phase line is passed described 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; Described 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 charged mounting or dismounting electric power meter of the described 220V of claim 1,380V, it is characterized in that: described 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; Described iron core is two semicircles, and a semicircle is movable, and another semicircle is fixed; Described protective jacket is fixing with iron core, described insulated handle is fixed on described protective jacket lower end, described control lever upper end is fixed on movable protective jacket upper end, described support bar one termination is fixed on described insulated handle upper end, another termination and described control lever are dynamically connected, and described support spring two ends fixedlyed connected with described insulated handle, control lever respectively;
Described 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 upper end open, lower ending opening is movable, the iron core lower ending opening connects by the iron core extension spring, described iron core upper and lower end opening surface is shaped on iron core jack, latch, and described protective jacket covers on the mutual inductor; Described secondary winding in current transformer outlet connects electric energy meter case internal wiring terminal row.
3. the charged mounting or dismounting electric power meter of the described 220V of claim 1,380V, it is characterized in that: described electric energy meter case comprises electric energy meter, connecting terminal block, metal cabinet; Described 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; Described electric energy meter, connecting terminal block are installed in the metal cabinet; Three-phase and four-line tabulation tail connection terminal connects described connecting terminal block, and described connecting terminal block connects described 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 charged mounting or dismounting electric power meter of the described 220V of claim 1,380V is characterized in that: described insulating clamp comprises insulation sleeve, clamping frame, drift bolt, spring, folder tooth, lever, voltage signal lead-in wire; Described 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 described folder tooth, lever and clamping frame are one, described voltage signal lead-in wire is connected with lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205528641U CN201804029U (en) | 2010-09-24 | 2010-09-24 | 220V and 380V charged assembly and disassembly electric energy metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205528641U CN201804029U (en) | 2010-09-24 | 2010-09-24 | 220V and 380V charged assembly and disassembly electric energy metering device |
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| Publication Number | Publication Date |
|---|---|
| CN201804029U true CN201804029U (en) | 2011-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205528641U Expired - Fee Related CN201804029U (en) | 2010-09-24 | 2010-09-24 | 220V and 380V charged assembly and disassembly electric energy metering device |
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| CN (1) | CN201804029U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852609A (en) * | 2012-11-28 | 2014-06-11 | 国家电网公司 | Metering box, ground wire hitching method of the metering box, and replacement method of current transformer of the metering box |
| 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 |
| 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 |
-
2010
- 2010-09-24 CN CN2010205528641U patent/CN201804029U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852609A (en) * | 2012-11-28 | 2014-06-11 | 国家电网公司 | Metering box, ground wire hitching method of the metering box, and replacement method of current transformer of the metering box |
| CN103852609B (en) * | 2012-11-28 | 2017-03-22 | 国家电网公司 | Metering box, ground wire hitching method of the metering box, and replacement method of current transformer of the metering box |
| 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 |
| 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 |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20110420 Termination date: 20110924 |