CN205004161U - Take integrated current transformer of contact box modularization - Google Patents
Take integrated current transformer of contact box modularization Download PDFInfo
- Publication number
- CN205004161U CN205004161U CN201520723388.8U CN201520723388U CN205004161U CN 205004161 U CN205004161 U CN 205004161U CN 201520723388 U CN201520723388 U CN 201520723388U CN 205004161 U CN205004161 U CN 205004161U
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- contact box
- terminal
- integrated current
- winding
- utility
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Abstract
The utility model relates to an electric power system high pressure current measurement and overload protection device, specifically speaking is a take integrated current transformer of contact box modularization. The utility model discloses a become iron core, primary winding, the secondary winding of integral type structure, incoming wire terminal, secondary binding post, secondary junction board with epoxy vacuum casting, the integral type structrual installation is on the flat base that has the mounting hole, and the leading -out terminal of integral type structure encapsulates in the contact box of being qualified for the next round of competitions, the contact box of being qualified for the next round of competitions is interior including insulating sleeve and terminal outgoing lines conductor, the terminal outgoing lines conductor passes through metal binding post and connects the primary winding, metal binding post is used for connecting band electric sensor. The utility model has the advantages of small, compact structure, material cost is low, the function is complete, maintain simple to operate, working hour cost is low, insulating reliable, stable performance, long service life.
Description
Technical field
The utility model relates to electric power system high-voltage current measurement and protective relaying device, specifically a kind of band contact box modularization integrated current instrument transformer.
Background technology
10KV-35KV is metal enclosed/and metallic armoured switch cabinet is electric equipments in distribution system, and the critical piece in equipment contains current transformer, earthed switch, contact box, electrified sensor etc.Each parts have functions different separately.Be distributed in different positions respectively according to switch cubicle designing requirement, and have mutual electrical connection and insulating requirements between different high voltage components.Global switch structure presents the storage multi-section topics such as parts are many, complex structure, maintenance installation is cumbersome, cost is high, volume is large, and this is also the feature of current existing switch industry.
Along with the development of China's switch industry new technologies and materials, the continuous release of Novel switch cabinet and technical requirement, pursue the miniaturization of switch cubicle, modularization, functionalization, high-protection level, the performance such as easy for installation, switch cubicle industry needs modular integrated product that is that the elements such as a kind of colleeting comb instrument transformer, earthed switch, contact box are integrated or that install without distance especially, the technical equipment of lifting switch cabinet on the whole.
Utility model content
For above shortcomings part in prior art, the technical problems to be solved in the utility model is to provide a kind of band contact box modularization integrated current instrument transformer, volume is little, compact conformation, function complete, it is easy for installation to safeguard, insulation is reliable, stable performance, realize the miniaturization of switch cubicle, modularization, functionalization, high-protection level, feature easy for installation, meet Novel metal enclosed/metallic armoured switch cabinet needs.
The technical scheme that the utility model is adopted for achieving the above object is: a kind of band contact box modularization integrated current instrument transformer, comprise the iron core of the formula structure that to pour into an integrated entity with epoxide resin vacuum, a winding, secondary winding, an input terminal, secondary wiring terminals, secondary connection platform, described integral structure is installed on the flat base with installing hole, the leading-out terminal of integral structure is encapsulated in outlet contact box, insulating sleeve and outlet terminal conductor is comprised in described outlet contact box, described outlet terminal conductor is by metal terminal sub-connection winding, described metal wiring terminal is used for connecting band electric transducer.
Described insulating sleeve root, for installing column type fixed contact, is electrically connected mutually with next section of bus plum blossom moving contact.
A described input terminal is the flat terminal block with threaded hole that local exposes to integral structure, for fixing with cable termination and static contact of grounding switch.
Described insulating sleeve bottom is provided with uniform full skirt.
The utility model has the following advantages and beneficial effect:
1, little, the compact conformation of volume, the cost of material is low: instrument transformer and contact box are directly made of one formula structure by described product, and the binding post be provided with for electrified sensor, an input terminal and a leader cable and earthed switch realize directly fixedly mounting without distance, small product size is little, structure is compacter, the installing space of effective saving switch cubicle, saves a large amount of parts connection metal parts, reduces material cost.
2, function complete, safeguard easy for installation, time cost is low: described product integrated design, ensure the multiple function with mutual-inductor contact box, electrified sensor, earthed switch, product is more convenient in installation and operating repairs, save and safeguard installation work-hour in a large number, intensive degree of changing into significantly improves.
3, reliable, the stable performance of insulation, long service life: the optimizing structure design of described product, not only effectively save material and time cost, novel design technology ensure that in switch cubicle, the insulation of components and parts is more reliable more, it is more stable that accessory without distance connects guarantee properties of product, integral device longer service life.
Accompanying drawing explanation
Fig. 1 is the utility model external structure front view;
Fig. 2 is the utility model external structure left view;
Fig. 3 is the utility model internal structure front view;
Fig. 4 is the utility model scheme of installation;
Wherein, 1, iron core; 2, a winding; 3, secondary winding; 4, an input terminal; 5, secondary connection platform; 6, base; 7, outlet contact box; 8, insulating sleeve; 9, column type fixed contact; 10, electrified sensor; 11, metal wiring terminal; 12, outlet terminal conductor; 13, cable termination; 14, static contact of grounding switch; 15, secondary wiring terminals; 16, secondary support; 17, full skirt.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As Figure 1-4, secondary winding 3 is wound on the iron core 1 of circular ring type equably, utilize specific purpose tool coiling winding 2, and pair helps wrapping insulating material, after secondary winding 3 utilizes secondary winding secondary support 16 to carry out bundling and cushions wrapping, form the coil device body of tool input terminal 4, outlet terminal conductor 12, winding 2, secondary winding 3, transducer metal wiring terminal 11, secondary wiring terminals 15; Secondary winding 3 utilizes secondary winding secondary support 16 to be fixed on mould, one time winding 2 adopts line input terminal 4 and outlet terminal conductor 12 to be fixed on mould, adjust and form apart from rear epoxide resin vacuum cast cured explosive, become the structure be integrated by input terminal 4, secondary connection platform 5, an outlet contact box 7 etc. thereupon, outlet contact box 7 form, be epoxy resin sealing between its structure, ensure that there is enough dielectric strengths and electric fields uniform; Insulating sleeve 8 root can install column type fixed contact 9, is electrically connected mutually with next section of bus plum blossom moving contact; Be provided with the metal wiring terminal 11 be electrically connected for electrified sensor 10 between integral structure top and outlet outlet contact box 7, its inside is connected with the outlet terminal conductor 12 of interiors of products primary winding; An inlet wire binding post 4 is the flat terminal block with threaded hole embedding pour mass and partly expose, there is stronger mechanical strength, can fix with cable termination 13 and static contact of grounding switch 14 during use, realize being electrically connected without distance with inlet wire cable and earthed switch, and act as insulating supporting effect, structure is compacter, effectively saves the installing space of switch cubicle, save a large amount of parts connection metal parts, reduce material cost; Secondary wiring terminals 15 is jointly drawn and to be cast on the secondary connection platform of integral structure front lower place 5, realizes being connected reliably and Signal transmissions with the secondary current instrument of switch cubicle or protective device.
The utility model band contact box modularization integrated current instrument transformer is completely according to a kind of new product of national standard design, employing rolls iron core, utilize electromagnetic conversion and electrified sensor principle, make secondary current can the situation of change of reflected measurement primary current exactly, be transferred to secondary measurement and control device; Use as electric current, electric energy measurement, charged instruction and relaying protection.
The utility model is that the volume of employing poured with epoxy resin is little, compact conformation, function complete, it is easy for installation to safeguard, insulation is reliable, the Full-closed current transformer of stable performance, can be widely used in electric power system Novel metal enclosed/metallic armoured switch cabinet and go.
Claims (4)
1. a band contact box modularization integrated current instrument transformer, it is characterized in that, comprise the iron core (1) of the formula structure that to pour into an integrated entity with epoxide resin vacuum, a winding (2), secondary winding (3), an input terminal (4), secondary wiring terminals (15), secondary connection platform (5), described integral structure is installed on the flat base (6) with installing hole, the leading-out terminal of integral structure is encapsulated in outlet contact box (7), insulating sleeve (8) and outlet terminal conductor (12) is comprised in described outlet contact box (7), described outlet terminal conductor (12) connects a winding (2) by metal wiring terminal (11), described metal wiring terminal (11) is for connecting band electric transducer (10).
2. band contact box modularization integrated current instrument transformer according to claim 1, it is characterized in that, described insulating sleeve (8) root, for installing column type fixed contact (9), is electrically connected mutually with next section of bus plum blossom moving contact.
3. band contact box modularization integrated current instrument transformer according to claim 1, it is characterized in that, a described input terminal (4) is the flat terminal block with threaded hole that local exposes to integral structure, for fixing with cable termination (13) and static contact of grounding switch (14).
4. band contact box modularization integrated current instrument transformer according to claim 1, it is characterized in that, described insulating sleeve (8) bottom is provided with uniform full skirt (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520723388.8U CN205004161U (en) | 2015-09-17 | 2015-09-17 | Take integrated current transformer of contact box modularization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520723388.8U CN205004161U (en) | 2015-09-17 | 2015-09-17 | Take integrated current transformer of contact box modularization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205004161U true CN205004161U (en) | 2016-01-27 |
Family
ID=55161039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520723388.8U Expired - Fee Related CN205004161U (en) | 2015-09-17 | 2015-09-17 | Take integrated current transformer of contact box modularization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205004161U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833736A (en) * | 2017-11-13 | 2018-03-23 | 上海基胜能源股份有限公司 | A kind of Combined high-voltage current transformer |
| CN109524220A (en) * | 2018-12-27 | 2019-03-26 | 阳光电源股份有限公司 | Transformer and transformer processing method |
-
2015
- 2015-09-17 CN CN201520723388.8U patent/CN205004161U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833736A (en) * | 2017-11-13 | 2018-03-23 | 上海基胜能源股份有限公司 | A kind of Combined high-voltage current transformer |
| CN107833736B (en) * | 2017-11-13 | 2024-01-23 | 上海基胜能源股份有限公司 | Combined high-voltage current transformer |
| CN109524220A (en) * | 2018-12-27 | 2019-03-26 | 阳光电源股份有限公司 | Transformer and transformer processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20170917 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |