CN107644723B - A kind of anti-electricity-theft device of low pressure straight-through current transformer voltage link - Google Patents
A kind of anti-electricity-theft device of low pressure straight-through current transformer voltage link Download PDFInfo
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- CN107644723B CN107644723B CN201710998227.3A CN201710998227A CN107644723B CN 107644723 B CN107644723 B CN 107644723B CN 201710998227 A CN201710998227 A CN 201710998227A CN 107644723 B CN107644723 B CN 107644723B
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Abstract
The invention discloses a kind of anti-electricity-theft devices of low pressure straight-through current transformer voltage link; including protecting box, embedded panel, seal screw and Wound-rotor type seal; protecting box includes bottom plate, left side wall and right side wall, and voltage jointer fixed screw bayonet is provided on bottom plate；The top of left side wall offers a protecting box seal screw hole and two sliding slots, and the inner surface of right side wall offers card slot；The bottom end in the left side of embedded panel be arranged in tandem there are two sliding slot be embedded in head；Panel seal screw hole up and down is offered on the left of embedded panel；Card slot insertion head compatible with card slot is provided on the right side of embedded panel；The tail end of the seal screw is fixed in the protecting box seal screw hole after passing through the panel seal screw hole.The anti-electricity-theft device of low pressure straight-through current transformer voltage link of the invention, can be effectively closed in anti-electricity-theft device by voltage jointer, plays good buffer action, and can reuse.
Description
Technical field
The present invention relates to the Prevention Stealing Electricity Technologies of Electro-metering device, and in particular to a kind of low pressure straight-through current transformer electricity
The anti-electricity-theft device of compression bonded line.
Background technique
Currently used LMZ type low pressure straight-through current transformer does not provide voltage leading point because of own structural characteristics,
Need on busbar voluntarily drilling, lead and with screw crimping by way of obtain voltage, be used for electrical energy measurement.Since connector is naked
It exposes outside, can make ammeter decompression by the method for release pigtail splice screw, reach stealing purpose.
Existing way is to be closed low-voltage current mutual inductor connecting terminal using anti-electricity-theft protective cover, prevents from artificially unclamping
Or it is shorted lead-out wire, play anti-electricity-theft effect.For such anti-electricity-theft protective cover, different structure, not TongAn have been had developed
The product of dress mode has also carried out corresponding research in terms of material selection, seal.
Referring to Fig. 1, the anti-electricity-theft protective cover of existing low-voltage busbar 3' straight-through current transformer, using anti-electricity-theft cover
The terminals of voltage lead connector 4' and current transformer ontology 2' are directly encapsulated into together by 1', are not suitable for voltage and current
The current transformer of terminals separation.
Referring to Fig. 2, though to disclose a kind of electric current with anti-stealing electricity secondary connection cover mutual by existing patent CN101051551A
Sensor, the anti-electricity-theft cover 2 in secondary connection end being fixedly connected including mutual inductor ontology 1 " and one end with mutual inductor ontology 1 " ", two
The anti-electricity-theft cover of secondary terminals 2 " the other end be provided with a cable hole 3 ", which goes out to protect secondary measurement cable
Line 4 " the anti-electricity-theft cover 2 in wiring sealer, that is, secondary connection end " solves the secondary of the existing built-in current transformer for taking voltage
Terminals are exposed outside, and there are the insecure problems of thief-proof electric protection, but need to consider the specific size of current transformer, and
Voltage lead-out wire mode is transformed, in addition, installation it is fixed, in terms of there is also compared with big limitation.
Currently, there is no the protective device for anti-fraudulent use of electricity for LMZ type current transformer voltage link both at home and abroad.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies of existing technologies, a kind of low pressure straight-through current transformer voltage link is provided
Anti-electricity-theft device, can be effectively closed in anti-electricity-theft device by voltage jointer, play good buffer action, and can
It reuses.
Realizing the technical solution of above-mentioned purpose is: a kind of thief-proof Denso of low pressure straight-through current transformer voltage link
It sets, including protecting box, embedded panel, seal screw and Wound-rotor type seal, in which:
The protecting box includes bottom plate, left side wall and right side wall, and the bottom plate, left side wall and right side wall connect into U-lag
Structure is provided with voltage jointer fixed screw bayonet on the bottom plate；The top of the left side wall offers a protecting box seal
Screw hole and two sliding slots, described two sliding slots are arranged in tandem, and the protecting box seal screw hole is located at described two
Between sliding slot；The inner surface of the right side wall offers card slot；
The top of the embedded panel is provided with seal perforation, and the bottom end in the left side of the embedded panel is one in front and one in back
There are two sliding slots to be embedded in head for ground setting, and described two sliding slots are adapted described two sliding slot insertion heads correspondingly；It is described embedding
Enter the panel seal screw hole offered on the left of formula panel up and down, the panel seal screw hole is located at described two cunnings
Slot is embedded between head；Card slot insertion head compatible with the card slot is provided on the right side of the embedded panel；
The card slot insertion head is connected in the card slot, and described two sliding slot insertion heads are plugged on described correspondingly
In two sliding slots；
The tail end of the seal screw is fixed on the protecting box seal screw hole after passing through the panel seal screw hole
It is interior；The head end of the seal screw offers Sealed wire mounting hole；
The top of the embedded panel is arranged in the Wound-rotor type seal, and the Sealed wire of the Wound-rotor type seal is successively
It perforates across the Sealed wire mounting hole and seal.
A kind of anti-electricity-theft device of above-mentioned low pressure straight-through current transformer voltage link, wherein the protecting box and
Embedded panel is respectively adopted transparent engineering plastics and is made.
A kind of anti-electricity-theft device of above-mentioned low pressure straight-through current transformer voltage link, wherein the protecting box envelope
It prints screw hole and uses internal thread hole, the tail end of the seal screw is tightened in the protecting box seal screw hole.
The anti-electricity-theft device of above-mentioned a kind of low pressure straight-through current transformer voltage link, wherein the card slot is in length
Strip, the card slot are longitudinally provided with the inner surface of the right side wall.
The anti-electricity-theft device of low pressure straight-through current transformer voltage link of the invention, to existing low pressure punching electricity
The anti-electricity-theft cover of current transformer, according to voltage jointer the characteristics of being separately provided on busbar, emphasis is from structure, installation and closing side
Its thief-proof electrical property is improved in face, can be effectively closed in anti-electricity-theft device, playing good isolation work by voltage jointer
With, and can reuse.
Detailed description of the invention
Fig. 1 is the existing anti-electricity-theft cover of low-voltage busbar straight-through current transformer；
Fig. 2 is the existing current transformer with anti-stealing electricity secondary connection cover；
Fig. 3 is the general assembly drawing of the anti-electricity-theft device of low pressure straight-through current transformer voltage link of the invention；
Fig. 4 is the structural schematic diagram of protecting box；
Fig. 5 is the structural schematic diagram of embedded panel；
Fig. 6 a is the main view of the anti-electricity-theft device of low pressure straight-through current transformer voltage link of the invention；
Fig. 6 b is the side view of the anti-electricity-theft device of low pressure straight-through current transformer voltage link of the invention；
Fig. 6 c is the top view of the anti-electricity-theft device of low pressure straight-through current transformer voltage link of the invention.
Specific embodiment
It is right with reference to the accompanying drawing in order to make those skilled in the art be better understood when technical solution of the present invention
Its specific embodiment is described in detail:
Please refer to Fig. 3 to Fig. 6 c, highly preferred embodiment of the present invention, a kind of low pressure straight-through current transformer voltage link
Anti-electricity-theft device, including protecting box 1, embedded panel 2, seal screw 3 and Wound-rotor type seal (not shown).
Again referring to Fig. 4, protecting box 1 is semi-closed structure, protecting box 1 includes bottom plate 11, left side wall 12 and right side wall 13,
Bottom plate 11, left side wall 12 and right side wall 13 connect into U-shaped groove structure, and voltage jointer fixed screw bayonet is provided on bottom plate 11
14；The top of left side wall 12 offers a protecting box seal screw hole 15 and two sliding slots 16, and two sliding slots 16 are in tandem
Setting, protecting box seal screw hole 15 are located between two sliding slots 16；The inner surface of right side wall 13 offers card slot 17；Card slot 17
In long strip, card slot is longitudinally provided with the inner surface of right side wall 13.
Again referring to Fig. 5, the top of embedded panel 2 is provided with seal perforation 21, the bottom end in the left side of embedded panel 2
There are two sliding slots to be embedded in head 22 for setting in tandem, and two sliding slots 16 are adapted two sliding slot insertion heads 22 correspondingly；
The left side of embedded panel 2 offers panel seal screw hole 23 up and down, and panel seal screw hole 23 is located at two cunnings
Slot is embedded between head 22；The right side of embedded panel 2 is provided with card slot insertion head 24 compatible with card slot 17.
Fig. 6 a to Fig. 6 c is please referred to again, and card slot insertion head 24 is connected in card slot 17, and two sliding slot insertion heads 22 1 are a pair of
It is plugged on answering in two sliding slots 16；The tail end of seal screw 3 is fixed on protecting box seal after passing through panel seal screw hole 23
In screw hole 15；Protecting box seal screw hole 15 uses internal thread hole, and the tail end of seal screw 3 is tightened on protecting box seal screw
In hole 15.
The head end of seal screw 3 offers Sealed wire mounting hole；The top of embedded panel 2 is arranged in Wound-rotor type seal,
And the Sealed wire of Wound-rotor type seal sequentially passes through the seal perforation 21 of the Sealed wire mounting hole and embedded panel 2 of seal screw 3.
Protecting box 1 and embedded panel 2 are respectively adopted transparent engineering plastics and are made.Have reliable dielectric strength, is resistant to
By operating conditions such as high temperature, humidity, cold jellies, light-permeable is light-weight, and chemical property is stablized, and has anti-flammability, and not perishable and aging.
The anti-electricity-theft device of low pressure straight-through current transformer voltage link of the invention will be existing when installing and using
Voltage jointer screw, penetrate the voltage jointer fixed screw bayonet 14 in protecting box 1, make its fix busbar on voltage jointer
Screw can play the role of support device weight simultaneously, be allowed to be fixedly secured on busbar.Then by the card of embedded panel 2
Slot insertion head 24 is embedded in the card slot of right side wall 13 of protecting box 1, and two sliding slot insertion heads 22 are plugged on correspondingly
In two sliding slots 16, and seal screw 3 is screwed in panel seal screw hole 23 and protecting box seal screw hole 15 and is fastened, made embedding
Enter formula panel 2 to be reliably connected with protecting box 1.
On the basis of installing fixed, using existing Wound-rotor type seal, across the Sealed wire mounting hole of seal screw 3
Afterwards, the seal perforation 21 being then passed through on embedded panel 2, completes seal and seals up, make seal screw 3 the case where not destroying seal
Under can not open, voltage jointer is effectively closed in anti-electricity-theft device device of the invention, play good buffer action.
The anti-electricity-theft device of low pressure straight-through current transformer voltage link of the invention, after releasing Wound-rotor type seal,
Screw out seal screw 3, i.e., openable embedded panel 2 removes protecting box 1, convenient for voltage jointer maintenance and rewiring, except around
The outer other component of wire type seal can be achieved to reuse.
Other forms can also be used in the connection type of protecting box 1 and embedded panel 2, for example two sides are screwed.
Unilateral embedded connection in the preferred embodiment of the present invention, can reduce the use of Wound-rotor type seal, be convenient for sealing operation.
The installation fixed form of protecting box 1 can be used other forms, for example penetrate embedded panel with voltage jointer screw
2 is fixed, then protecting box 1 and embedded panel 2 are connected, and realizes fixed function.
In conclusion the anti-electricity-theft device of low pressure straight-through current transformer voltage link of the invention, it can be by voltage
Connector is effectively closed in anti-electricity-theft device, plays good buffer action, and can reuse.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above
Change, modification will all be fallen within the scope of claims of the present invention.
Claims (4)
1. a kind of anti-electricity-theft device of low pressure straight-through current transformer voltage link, which is characterized in that including protecting box, insertion
Formula panel, seal screw and Wound-rotor type seal, in which:
The protecting box includes bottom plate, left side wall and right side wall, and the bottom plate, left side wall and right side wall connect into U-shaped groove structure,
Voltage jointer fixed screw bayonet is provided on the bottom plate；The top of the left side wall offers a protecting box seal screw hole
With two sliding slots, described two sliding slots are arranged in tandem, the protecting box seal screw hole be located at described two sliding slots it
Between；The inner surface of the right side wall offers card slot；
The top of the embedded panel is provided with seal perforation, and the bottom end in the left side of the embedded panel is set in tandem
It sets there are two sliding slot insertion head, described two sliding slots are adapted described two sliding slots insertion heads correspondingly；It is described embedded
Panel seal screw hole up and down is offered on the left of panel, it is embedding that the panel seal screw hole is located at described two sliding slots
Enter between head；Card slot insertion head compatible with the card slot is provided on the right side of the embedded panel；
The card slot insertion head is connected in the card slot, and described two sliding slot insertion heads are plugged on described two correspondingly
In sliding slot；
The tail end of the seal screw is fixed in the protecting box seal screw hole after passing through the panel seal screw hole；Institute
The head end for stating seal screw offers Sealed wire mounting hole；
The top of the embedded panel is arranged in the Wound-rotor type seal, and the Sealed wire of the Wound-rotor type seal sequentially passes through
The Sealed wire mounting hole and seal perforation.
2. a kind of anti-electricity-theft device of low pressure straight-through current transformer voltage link according to claim 1, feature
It is, the protecting box and embedded panel are respectively adopted transparent engineering plastics and are made.
3. a kind of anti-electricity-theft device of low pressure straight-through current transformer voltage link according to claim 1, feature
It is, the protecting box seal screw hole uses internal thread hole, and the tail end of the seal screw is tightened on the protecting box seal
In screw hole.
4. a kind of anti-electricity-theft device of low pressure straight-through current transformer voltage link according to claim 1, feature
It is, the card slot is in long strip, and the card slot is longitudinally provided with the inner surface of the right side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710998227.3A CN107644723B (en) | 2017-10-24 | 2017-10-24 | A kind of anti-electricity-theft device of low pressure straight-through current transformer voltage link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710998227.3A CN107644723B (en) | 2017-10-24 | 2017-10-24 | A kind of anti-electricity-theft device of low pressure straight-through current transformer voltage link |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107644723A CN107644723A (en) | 2018-01-30 |
| CN107644723B true CN107644723B (en) | 2019-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710998227.3A Active CN107644723B (en) | 2017-10-24 | 2017-10-24 | A kind of anti-electricity-theft device of low pressure straight-through current transformer voltage link |
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| Country | Link |
|---|---|
| CN (1) | CN107644723B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01316910A (en) * | 1988-06-17 | 1989-12-21 | Hitachi Ltd | Shell-type transformer coil |
| CN2366854Y (en) * | 1999-01-27 | 2000-03-01 | 上海市嘉定互感器厂 | Anti fraudulent use type current mutual inductor |
| CN2454877Y (en) * | 2000-12-22 | 2001-10-17 | 赵铁钢 | Protective cover for voltage-current mutual inductor |
| CN2482196Y (en) * | 2001-03-10 | 2002-03-13 | 陈权光 | Current transformer capable of avoiding fraudulent use of electricity |
| CN2483811Y (en) * | 2001-07-20 | 2002-03-27 | 清苑县电力互感器厂 | Device for preventing fraudulent use of electricity with current mutual inductor |
| CN2857170Y (en) * | 2005-05-27 | 2007-01-10 | 温梦涛 | Current transformer closure head for preventing electricity from stolen |
| CN201425598Y (en) * | 2009-03-26 | 2010-03-17 | 上海久亚电气设备有限公司 | Anti-theft electric sealing cover |
| CN202549544U (en) * | 2012-03-21 | 2012-11-21 | 浙江正泰电源电器有限公司 | Novel electricity stealing prevention protective cover for low-voltage transformer |
| CN204441086U (en) * | 2015-02-13 | 2015-07-01 | 淄博新锐电器有限公司 | Anti-electricity-theft big current combination transformer |
| CN204614656U (en) * | 2015-04-20 | 2015-09-02 | 国家电网公司 | A kind of low-voltage current mutual inductor secondary terminals protective cover |
| CN204668136U (en) * | 2015-06-12 | 2015-09-23 | 国网山东章丘市供电公司 | A kind of anti-electricity-theft current transformer connecting terminal guard shield |
| CN207397855U (en) * | 2017-10-24 | 2018-05-22 | 国网上海市电力公司 | A kind of anti-electricity-theft device of low pressure straight-through current transformer voltage link |
-
2017
- 2017-10-24 CN CN201710998227.3A patent/CN107644723B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01316910A (en) * | 1988-06-17 | 1989-12-21 | Hitachi Ltd | Shell-type transformer coil |
| CN2366854Y (en) * | 1999-01-27 | 2000-03-01 | 上海市嘉定互感器厂 | Anti fraudulent use type current mutual inductor |
| CN2454877Y (en) * | 2000-12-22 | 2001-10-17 | 赵铁钢 | Protective cover for voltage-current mutual inductor |
| CN2482196Y (en) * | 2001-03-10 | 2002-03-13 | 陈权光 | Current transformer capable of avoiding fraudulent use of electricity |
| CN2483811Y (en) * | 2001-07-20 | 2002-03-27 | 清苑县电力互感器厂 | Device for preventing fraudulent use of electricity with current mutual inductor |
| CN2857170Y (en) * | 2005-05-27 | 2007-01-10 | 温梦涛 | Current transformer closure head for preventing electricity from stolen |
| CN201425598Y (en) * | 2009-03-26 | 2010-03-17 | 上海久亚电气设备有限公司 | Anti-theft electric sealing cover |
| CN202549544U (en) * | 2012-03-21 | 2012-11-21 | 浙江正泰电源电器有限公司 | Novel electricity stealing prevention protective cover for low-voltage transformer |
| CN204441086U (en) * | 2015-02-13 | 2015-07-01 | 淄博新锐电器有限公司 | Anti-electricity-theft big current combination transformer |
| CN204614656U (en) * | 2015-04-20 | 2015-09-02 | 国家电网公司 | A kind of low-voltage current mutual inductor secondary terminals protective cover |
| CN204668136U (en) * | 2015-06-12 | 2015-09-23 | 国网山东章丘市供电公司 | A kind of anti-electricity-theft current transformer connecting terminal guard shield |
| CN207397855U (en) * | 2017-10-24 | 2018-05-22 | 国网上海市电力公司 | A kind of anti-electricity-theft device of low pressure straight-through current transformer voltage link |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107644723A (en) | 2018-01-30 |
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