CN103245929A - Test-type watthour meter junction box - Google Patents
Test-type watthour meter junction box Download PDFInfo
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- CN103245929A CN103245929A CN2013101571871A CN201310157187A CN103245929A CN 103245929 A CN103245929 A CN 103245929A CN 2013101571871 A CN2013101571871 A CN 2013101571871A CN 201310157187 A CN201310157187 A CN 201310157187A CN 103245929 A CN103245929 A CN 103245929A
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Abstract
The invention relates to a test-type watthour meter junction box. More than two conductive wiring devices are arranged in a box body and are mutually insulated; any one conductive wiring device comprises a watt-hour meter incoming end, an electric power circuit incoming end, a first electric conductor and a second electric conductor; in any conductive wiring device, the first electric conductor is isolated from the second electric conductor, a conductive connecting piece is arranged between the first electric conductor and the second electric conductor, and is provided with an operating position and a testing position, the conductive connecting piece in the operating position is connected with the first electric conductor and the second electric conductor simultaneously, the watt-hour meter incoming end is connected with a testing bolt, and watt-hour meter testing can be performed under the condition of powering on; and insulated positioning columns are arranged in a cover cap, and can ensure that all conductive connecting pieces can return to the operating state from the testing state. According to the invention, field on-load watthour meter correction and replacement are convenient, and working efficiency is greatly improved.
Description
Technical field:
The present invention relates to electric field, relate in particular to watt-hour meter, particularly a kind of test type watt-hour meter junction box.
Background technology:
In the prior art, watt-hour meter junction box is used for realizing the line of watt-hour meter.When maintenance and inspection watt-hour meter, terminal box need be disconnected from the circuit, and has reduced work efficiency, can not carry out the on-the-spot calibration of on-load or change table.Simultaneously, after connection terminal dismounting maintenance and the inspection, go wrong easily when taking back duty again.
Summary of the invention:
The object of the present invention is to provide a kind of test type watt-hour meter junction box, described this test type watt-hour meter junction box will solve in the prior art watt-hour meter junction box can not the on-the-spot calibration of on-load or change table, ineffective technical matters.
This test type watt-hour meter junction box of the present invention, comprise box body and cover cap, described cover cap covers the upside opening part of described box body, wherein, be provided with the conductive connection device of two above numbers in the described box body, described conductive connection device mutually insulated, any one conductive connection device all includes an ammeter separately and inserts terminal, a power circuit inserts terminal, first electric conductor and second electric conductor, in any one conductive connection device, described ammeter inserts terminal and is connected with described first electric conductor, described power circuit inserts terminal and is connected with described second electric conductor, first electric conductor and second electric conductor are isolated, be provided with a conductive connecting piece between first electric conductor and second electric conductor, described conductive connecting piece has a working position and a testing position, conductive connecting piece is connected with second electric conductor simultaneously with first electric conductor when described working position, conductive connecting piece breaks away from first electric conductor or second electric conductor when described testing position, and ammeter inserts and is connected with a test screw on the terminal.
Further, any one conductive connecting piece all is connected with an insulated handle, described insulated handle is vertical with conductive connecting piece, the bottom side of described cover cap is to being arranged with the insulation reference column, the number of described insulation reference column is identical with the number of conductive connecting piece, the shared space of its insulated handle when the lower end of any one insulation reference column all occupies conductive connecting piece separately and is positioned at testing position.
Further, the two ends of box body are provided with insulating part, and the two ends of cover cap are connected with described insulating part by screw.
Further, in any one described conductive connection device, one end of first electric conductor is provided with first screw, one end of second electric conductor is provided with second screw, first screw is parallel with second screw, be provided with a straight trough along its length direction in the conductive connecting piece, one end opening of described straight trough is in an end of conductive connecting piece, the width of straight trough is greater than or equal to the nail body diameter of first screw or second screw, and conductive connecting piece is arranged between the head of a nail and first electric conductor of first screw, perhaps between the head of a nail of second screw and second electric conductor.
Concrete, first screw and second screw all adopt cross recess and flat recess composite screws.
Principle of work of the present invention is: ammeter inserts between terminal and the power circuit access terminal and realizes connecting by conductive connecting piece, when maintenance and inspection, terminal box can need not to be disconnected from the circuit, be provided with the insulation reference column in the cover cap, can guarantee that each conductive connecting piece all can get back to duty by trystate.Ammeter inserts on the terminal and is connected with the test screw, can carry out the ammeter test under the situation of energising.
The present invention and prior art are compared, and its effect is actively with tangible.The present invention inserts between terminal and the power circuit access terminal at ammeter conductive connecting piece is set, when maintenance and inspection, terminal box can need not to be disconnected from the circuit, and is provided with the insulation reference column in the cover cap, can guarantee that each conductive connecting piece all can get back to duty by trystate.Ammeter inserts on the terminal and is connected with the test screw, can carry out the ammeter test under the situation of energising.The present invention is convenient to the on-the-spot calibration of on-load and is changed table, saves the installing/dismounting time, has improved work efficiency greatly.
Description of drawings:
Fig. 1 is a kind of vertical view of testing the type watt-hour meter junction box of the present invention.
Fig. 2 is A-A broken line cut-open view among Fig. 1.
Fig. 3 is B-B cut-open view among Fig. 2.
Fig. 4 is a kind of 3 dimensional drawing of testing the type watt-hour meter junction box of the present invention.
Embodiment:
Embodiment 1:
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, a kind of test type watt-hour meter junction box of the present invention, comprise box body 1 and cover cap 2, described cover cap 2 covers the upside opening part of described box body 1, wherein, be provided with the conductive connection device of two above numbers in the described box body 1, described conductive connection device mutually insulated, any one conductive connection device all includes an ammeter separately and inserts terminal, a power circuit inserts terminal, first electric conductor 3 and second electric conductor 5, in any one conductive connection device, described ammeter inserts terminal and is connected with described first electric conductor 3, described power circuit inserts terminal and is connected with described second electric conductor 5, first electric conductor 3 and second electric conductor 5 are isolated, be provided with a conductive connecting piece 4 between first electric conductor 3 and second electric conductor 5, described conductive connecting piece 4 has a working position and a testing position, conductive connecting piece 4 is connected with second electric conductor 5 simultaneously with first electric conductor 3 when described working position, conductive connecting piece 4 breaks away from first electric conductor 3 or second electric conductor 5 when described testing position, and ammeter inserts and is connected with a test screw 12 on the terminal.
Further, any one conductive connecting piece 4 all is connected with an insulated handle 14, described insulated handle 14 is vertical with conductive connecting piece 4, the bottom side of described cover cap 2 is to being arranged with insulation reference column 13, the number of described insulation reference column 13 is identical with the number of conductive connecting piece 4, the shared space of its insulated handle 14 when the lower end of any one insulation reference column 13 all occupies conductive connecting piece 4 separately and is positioned at testing position.
Further, the two ends of box body 1 are provided with insulating part 6, and the two ends of cover cap 2 are connected with described insulating part 6 with packing ring by screw 7.
Further, in any one described conductive connection device, one end of first electric conductor 3 is provided with first screw 8, one end of second electric conductor 5 is provided with second screw 9, first screw 8 is parallel with second screw 9, be provided with a straight trough along its length direction in the conductive connecting piece 4, one end opening of described straight trough is in an end of conductive connecting piece 4, the width of straight trough is greater than or equal to the nail body diameter of first screw 8 or second screw 9, and conductive connecting piece 4 is arranged between the head of a nail and first electric conductor 3 of first screw 8, perhaps between the head of a nail of second screw 9 and second electric conductor 5.
Concrete, first screw 8 and second screw 9 all adopt cross recess and flat recess composite screws.
The principle of work of present embodiment is: ammeter inserts between terminal and the power circuit access terminal and realizes connecting by conductive connecting piece 4, when maintenance and inspection, terminal box can need not to be disconnected from the circuit, be provided with insulation reference column 13 in the cover cap 2, can guarantee that each conductive connecting piece 4 all can get back to duty by trystate.Ammeter inserts and is connected with test screw 12 on the terminal, can carry out the ammeter test under the situation of energising.
Claims (4)
1. test type watt-hour meter junction box, comprise box body and cover cap, described cover cap covers the upside opening part of described box body, it is characterized in that: the conductive connection device that is provided with two above numbers in the described box body, described conductive connection device mutually insulated, any one conductive connection device all includes an ammeter separately and inserts terminal, a power circuit inserts terminal, first electric conductor and second electric conductor, in any one conductive connection device, described ammeter inserts terminal and is connected with described first electric conductor, described power circuit inserts terminal and is connected with described second electric conductor, first electric conductor and second electric conductor are isolated, be provided with a conductive connecting piece between first electric conductor and second electric conductor, described conductive connecting piece has a working position and a testing position, conductive connecting piece is connected with second electric conductor simultaneously with first electric conductor when described working position, conductive connecting piece breaks away from first electric conductor or second electric conductor when described testing position, and ammeter inserts and is connected with a test screw on the terminal.
2. a kind of test type watt-hour meter junction box as claimed in claim 1, it is characterized in that: any one conductive connecting piece all is connected with an insulated handle, described insulated handle is vertical with conductive connecting piece, the bottom side of described cover cap is to being arranged with the insulation reference column, the number of described insulation reference column is identical with the number of conductive connecting piece, the shared space of its insulated handle when the lower end of any one insulation reference column all occupies conductive connecting piece separately and is positioned at testing position.
3. a kind of test type watt-hour meter junction box as claimed in claim 1, it is characterized in that: the two ends of box body are provided with insulating part, and the two ends of cover cap are connected with described insulating part by screw.
4. a kind of test type watt-hour meter junction box as claimed in claim 1, it is characterized in that: in any one described conductive connection device, one end of first electric conductor is provided with first screw, one end of second electric conductor is provided with second screw, first screw is parallel with second screw, be provided with a straight trough along its length direction in the conductive connecting piece, one end opening of described straight trough is in an end of conductive connecting piece, the width of straight trough is greater than or equal to the nail body diameter of first screw or second screw, and conductive connecting piece is arranged between the head of a nail and first electric conductor of first screw, perhaps between the head of a nail of second screw and second electric conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101571871A CN103245929A (en) | 2013-05-02 | 2013-05-02 | Test-type watthour meter junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101571871A CN103245929A (en) | 2013-05-02 | 2013-05-02 | Test-type watthour meter junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103245929A true CN103245929A (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101571871A Pending CN103245929A (en) | 2013-05-02 | 2013-05-02 | Test-type watthour meter junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103245929A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111123046A (en) * | 2019-12-03 | 2020-05-08 | 国网河南省电力公司鹤壁供电公司 | Device for rapidly measuring cable insulation strength |
| CN117214493A (en) * | 2023-10-16 | 2023-12-12 | 海燕接线盒有限公司 | Junction box structure for electric energy meter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2627512Y (en) * | 2003-07-01 | 2004-07-21 | 上海友邦电气有限公司 | Watt-hour meter junction box |
| CN201540316U (en) * | 2009-09-29 | 2010-08-04 | 上海友邦电气股份有限公司 | Improved structure of kilowatt-hour meter junction box |
| CN102769215A (en) * | 2011-05-03 | 2012-11-07 | 上海友邦电气(集团)股份有限公司 | Cylinder switch test type branching connecting terminal |
| CN202712780U (en) * | 2012-07-16 | 2013-01-30 | 上海友邦电气(集团)股份有限公司 | Watt-hour meter junction box |
-
2013
- 2013-05-02 CN CN2013101571871A patent/CN103245929A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2627512Y (en) * | 2003-07-01 | 2004-07-21 | 上海友邦电气有限公司 | Watt-hour meter junction box |
| CN201540316U (en) * | 2009-09-29 | 2010-08-04 | 上海友邦电气股份有限公司 | Improved structure of kilowatt-hour meter junction box |
| CN102769215A (en) * | 2011-05-03 | 2012-11-07 | 上海友邦电气(集团)股份有限公司 | Cylinder switch test type branching connecting terminal |
| CN202712780U (en) * | 2012-07-16 | 2013-01-30 | 上海友邦电气(集团)股份有限公司 | Watt-hour meter junction box |
Non-Patent Citations (2)
| Title |
|---|
| 王秉时等: "电能计量装置的联合接线及联合接线盒的应用", 《电测与仪表》 * |
| 秉王吋等: "联合接线盒与单、三相电度表现场校验实用简便方法", 《电工技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111123046A (en) * | 2019-12-03 | 2020-05-08 | 国网河南省电力公司鹤壁供电公司 | Device for rapidly measuring cable insulation strength |
| CN111123046B (en) * | 2019-12-03 | 2022-06-10 | 国网河南省电力公司鹤壁供电公司 | Device for rapidly measuring cable insulation strength |
| CN117214493A (en) * | 2023-10-16 | 2023-12-12 | 海燕接线盒有限公司 | Junction box structure for electric energy meter |
| CN117214493B (en) * | 2023-10-16 | 2024-04-30 | 海燕接线盒有限公司 | Junction box structure for electric energy meter |
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Application publication date: 20130814 |
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| RJ01 | Rejection of invention patent application after publication |