CN2722399Y - Mutual inductor against charge evasion - Google Patents
Mutual inductor against charge evasion Download PDFInfo
- Publication number
- CN2722399Y CN2722399Y CN 200420017521 CN200420017521U CN2722399Y CN 2722399 Y CN2722399 Y CN 2722399Y CN 200420017521 CN200420017521 CN 200420017521 CN 200420017521 U CN200420017521 U CN 200420017521U CN 2722399 Y CN2722399 Y CN 2722399Y
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- CN
- China
- Prior art keywords
- instrument transformer
- pilfered
- ear
- electric box
- proof electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 3
- 238000007789 sealing Methods 0.000 description 7
- 210000005069 ears Anatomy 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model relates to a mutual inductor against charge evasion, which is formed by fastening a pedestal and a cover that are matched with the body of the mutual inductor. The pedestal is provided with a step bore, the edge bulge of the step bore is matched and interlocked with a clamping ear that is arranged on the cover correspondingly, the pedestal is also provided with a semi-circle bore boss that is matched with an opening that is arranged on the cover to form incoming and outgoing line bores, and the number of the incoming and outgoing line bores can be decided according to the number of the corresponding input and output ends of the mutual inductor. The convex edge of the outer margin of the cover is inserted into a straight slot that is arranged at the edge of the semi-circle bore boss. The utility model is simple and convenient to install, and has excellent function against charge evasion.
Description
Technical field
The utility model relates to the anti-electricity-theft device of a kind of instrument transformer, the anti-electricity-theft box body of specifically a kind of instrument transformer.
Background technology
Chinese patent ZL00229712 discloses the anti-electricity-theft sealing cover of a kind of mutual inductor secondary, this sealing cover is agreed with by envelope and cover two parts to be formed, this sealing cover is provided with the mutual inductor output end binding post and inserts hole and delivery outlet, the middle part of envelope is provided with the projection that matches with the half arrow shaped card ear that covers, and wedging has interlocking lever in the hole that constitutes between two and half arrow shaped card ears; Projection, two and half arrow shaped card ears and the interlocking lever three that the half arrow shaped card ear with cover that this utility model is provided with by the middle part of sealing matches interlocking securely is one, the behavior of having played the output stealing that prevents to utilize induction coil in electric-power metering takes place, this sealing cover is adapted at using on the small-sized instrument transformer, and is inapplicable to high-voltage mutual inductor.
Technical scheme
The purpose of this utility model provides a kind of instrument transformer pilfered-proof electric box that is adapted at using on the high-voltage mutual inductor.
The technical solution of the utility model is achieved in that
A kind of instrument transformer pilfered-proof electric box is provided, and it is fastened by base that matches with the instrument transformer body and lid forms, and it is characterized in that described base is provided with stepped hole, and the stepped hole edge protuberance cooperates interlocking with the card ear that covers setting.
Aforesaid instrument transformer pilfered-proof electric box, base are provided with the semicircle orifice boss and cooperate formation to advance wire hole with opening that covers setting or semicircle orifice.
Aforesaid instrument transformer pilfered-proof electric box, the outer rim chimb of lid insert in the straight trough of semicircle orifice boss edge setting.
Aforesaid instrument transformer pilfered-proof electric box, base is provided with the outlet ear, and the outlet ear stretches in the groove of anti-electricity-theft latch segment, and affixed by their corresponding screws that is provided with, outlet ear upper end is positioned at latch segment and is provided with the line ball piece.
Aforesaid instrument transformer pilfered-proof electric box, latch segment are provided with the hole of control line ball piece lifting, and the both sides in hole are provided with the envelope ear.
Aforesaid instrument transformer pilfered-proof electric box, described stepped hole and corresponding card ear are provided with number respectively and are plural any number, satisfy base and lid interlocking, can only destroy the card ear and just can open the condition of pilfered-proof electric box and get final product, and this number is made as 6 in the utility model.
Aforesaid instrument transformer pilfered-proof electric box, described base is provided with the instrument transformer fixing hole.
When this instrument transformer pilfered-proof electric box uses, earlier with packing ring and screw be fixed on the binding post of instrument transformer secondary lead-out wire on by the instrument transformer fixing hole that is provided with on the base base and instrument transformer secondary lead-out wire, it is crossed respectively outside the semicircle orifice boss lead body that is provided with on the base, again lid is fastened on the base, makes a plurality of corresponding stepped hole edge protuberance that is provided with on the base cooperate interlocking with the card ear that covers setting; The outer rim chimb of lid inserts in the straight trough of semicircle orifice boss edge setting; Under the effect of lid, the secondary lead-out wire is bending and goes out wire, after having prevented that base and lid from fastening, from external insertion lead short circuit secondary lead-out wire and the behavior of stealing, base is provided with for the outlet ear of placing many outlet cables, be socketed with anti-electricity-theft latch segment on the outlet ear, during socket, the outlet ear stretches in the groove of anti-electricity-theft latch segment, affixed by the corresponding screw that is provided with on anti-electricity-theft latch segment and the outlet ear, for fixing outlet cable, outlet ear upper end is positioned at anti-electricity-theft latch segment and is provided with the line ball piece; Latch segment is provided with the hole of control line ball piece lifting, and the both sides in hole are provided with the envelope ear, but screw thread stationary positioned spiral shell nurse in the hole is prevented opening with lead sealing is fixing between spiral shell nurse upper end and envelope ear.
Through the instrument transformer pilfered-proof electric box of above setting, it is suitable for use on the high-voltage mutual inductor, and the semicircle orifice boss that is provided with on its base has prevented short circuit secondary measurement lead-out wire outside box body and the behavior generation of stealing for secondary lead-out wire bending outlet; The utility model is installed simple and convenient, possesses good anti-stealing electricity function.
Description of drawings
Fig. 1 is the structure chart of the utility model base;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is along the sectional structure chart of A-A shown in Figure 2 among Fig. 1;
Fig. 5 is the right view of Fig. 1.
Fig. 6 is the structure chart of the utility model lid;
Fig. 7 is the plan view of Fig. 6.
Fig. 8 is along the sectional structure schematic diagram of A-A among Fig. 6.
Fig. 9 is the structure chart of the utility model latch segment;
Figure 10 is the structure chart of the line ball piece that matches with latch segment shown in Figure 9.
Figure 11 is the structure chart of base among the another kind of embodiment of the utility model;
Figure 12 is the structure chart of the lid that matches with base shown in Figure 11.
Execution mode
Below in conjunction with the description of drawings embodiments of the invention:
See also accompanying drawing 1-10, a kind of instrument transformer pilfered-proof electric box is provided, it is fastened by the base that matches with the instrument transformer body 1 and lid 2 forms, and its base 1 is provided with corresponding six of setting on 3, six stepped holes of six stepped holes, 3 edge protuberance 18 and the lid 2 and blocks ears 4 and cooperate interlocking; Have only the lid 2 of destruction just can open, thereby the utlity model has disposable characteristics; Base 1 is provided with the opening 6 that is provided with on semicircle orifice boss 5 and the lid 2 and cooperates to constitute and advance wire hole, advances the number of wire hole, can be according to the number of the input/output terminal of instrument transformer correspondence and corresponding setting, and present embodiment is six; The outer rim chimb 7 of lid 2 inserts in the straight trough 8 of semicircle orifice boss 5 edges setting, after setting is finished like this, makes base 1 cooperate the box body that constitutes a sealing with lid 2.
For strengthening power-steeling preventing effect, base is provided with outlet ear 9, and outlet ear 9 stretches in the groove 11 of anti-electricity-theft latch segment 10, and is affixed by their corresponding screw 12 or screws 13 that is provided with, outlet ear 9 upper ends are positioned at latch segment 10 and are provided with line ball piece 14, and line ball piece 14 openings are curved; Latch segment 10 is provided with the hole 15 of control line ball piece 14 liftings, and the both sides in hole 15 are provided with envelope ear 16, also are provided with instrument transformer fixing hole 17 on the base.
See also accompanying drawing 11-12, another kind of instrument transformer pilfered-proof electric box is provided, six stepped hole edge protuberance that are provided with on its base cooperate interlocking with corresponding six the card ears that cover setting; Base is provided with the semicircle orifice boss and cooperates formation to advance wire hole with the opening that covers setting, and the number of advancing wire hole is four.
The utility model can adopt ABS, PC plastic production.
Claims (8)
1, a kind of instrument transformer pilfered-proof electric box, it is fastened by base (1) that matches with the instrument transformer body and lid (2) forms, it is characterized in that described base (1) is provided with stepped hole (3), stepped hole (3) edge protuberance (18) goes up the card ear (4) that is provided with lid (2) and cooperates interlocking.
2, instrument transformer pilfered-proof electric box as claimed in claim 1 is characterized in that described base (1) is provided with semicircle orifice boss (5) and cooperates formation to advance wire hole with the opening (6) that lid (2) is gone up setting.
3, instrument transformer pilfered-proof electric box as claimed in claim 1 is characterized in that the outer rim chimb (7) of described lid (2) inserts in the straight trough (8) of semicircle orifice boss (5) edge setting.
4, instrument transformer pilfered-proof electric box as claimed in claim 1, it is characterized in that described base (1) is provided with outlet ear (9), outlet ear (9) stretches in the groove (11) of latch segment (10), it is affixed to go up corresponding screw (12) or the screw (13) that is provided with by latch segment (10) or outlet ear (9), and outlet ear (9) upper end is positioned at latch segment (10) and is provided with line ball piece (14).
5, instrument transformer pilfered-proof electric box as claimed in claim 1 is characterized in that described latch segment (10) is provided with the hole (15) of control line ball piece lifting, and the both sides of hole (15) are provided with envelope ear (16).
6, instrument transformer pilfered-proof electric box as claimed in claim 1 is characterized in that described stepped hole (3) and corresponding card ear (4) are provided with number and are plural any number.
7, instrument transformer pilfered-proof electric box as claimed in claim 1, it is characterized in that described stepped hole (3) and corresponding card ear (4) number is set is 6.
8, instrument transformer pilfered-proof electric box as claimed in claim 1 is characterized in that described base (1) is provided with instrument transformer fixing hole (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420017521 CN2722399Y (en) | 2004-03-24 | 2004-03-24 | Mutual inductor against charge evasion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420017521 CN2722399Y (en) | 2004-03-24 | 2004-03-24 | Mutual inductor against charge evasion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2722399Y true CN2722399Y (en) | 2005-08-31 |
Family
ID=35012769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420017521 Expired - Fee Related CN2722399Y (en) | 2004-03-24 | 2004-03-24 | Mutual inductor against charge evasion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2722399Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286413B (en) * | 2007-02-02 | 2011-11-16 | 湖北盛佳电器设备有限公司 | Straight-through current transformer convenient for measuring voltage |
| CN101286412B (en) * | 2007-02-02 | 2012-03-07 | 湖北盛佳电器设备有限公司 | Straight-through current transformer for measuring voltage by penetrating wire wrapper |
| CN106842096A (en) * | 2017-01-22 | 2017-06-13 | 国网山东省电力公司潍坊供电公司 | Auxiliary connection device is used in high-tension current inductor batch calibrating |
| CN107731499A (en) * | 2017-11-20 | 2018-02-23 | 浙江迪克森电器有限公司 | Electric current turns low voltage transformer |
| CN110082575A (en) * | 2019-06-13 | 2019-08-02 | 广东电网有限责任公司 | It is a kind of to measure dedicated unilateral lead sealing terminal box and its lead sealing method |
-
2004
- 2004-03-24 CN CN 200420017521 patent/CN2722399Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286413B (en) * | 2007-02-02 | 2011-11-16 | 湖北盛佳电器设备有限公司 | Straight-through current transformer convenient for measuring voltage |
| CN101286412B (en) * | 2007-02-02 | 2012-03-07 | 湖北盛佳电器设备有限公司 | Straight-through current transformer for measuring voltage by penetrating wire wrapper |
| CN106842096A (en) * | 2017-01-22 | 2017-06-13 | 国网山东省电力公司潍坊供电公司 | Auxiliary connection device is used in high-tension current inductor batch calibrating |
| CN106842096B (en) * | 2017-01-22 | 2021-03-23 | 国网山东省电力公司潍坊供电公司 | Auxiliary wiring device for batch verification of high-voltage current transformers |
| CN107731499A (en) * | 2017-11-20 | 2018-02-23 | 浙江迪克森电器有限公司 | Electric current turns low voltage transformer |
| CN110082575A (en) * | 2019-06-13 | 2019-08-02 | 广东电网有限责任公司 | It is a kind of to measure dedicated unilateral lead sealing terminal box and its lead sealing method |
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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: WUHAI JIEYOU ELECTRONIC SCIENCE AND TECHNOLOGY CO Free format text: FORMER OWNER: WAN JIASHENG Effective date: 20080919 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080919 Address after: Jiang Xing Lu Hubei, Jianghan District of Wuhan City No. 6, zip code: 430023 Patentee after: Wuhan Jie You Electronics Technology Co., Ltd. Address before: Hubei province Wuhan City Qiaokou District No. 523 Long Beach Li Jingyuan (A 1907), zip code: 430015 Patentee before: Wan Jiasheng |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050831 Termination date: 20120324 |