CN207336571U - A kind of air ring main unit voltage mutual inductor installation structure - Google Patents
A kind of air ring main unit voltage mutual inductor installation structure Download PDFInfo
- Publication number
- CN207336571U CN207336571U CN201721463036.9U CN201721463036U CN207336571U CN 207336571 U CN207336571 U CN 207336571U CN 201721463036 U CN201721463036 U CN 201721463036U CN 207336571 U CN207336571 U CN 207336571U
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- China
- Prior art keywords
- center line
- line nose
- main unit
- ring main
- mutual inductor
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Abstract
The utility model provides a kind of air ring main unit voltage mutual inductor installation structure, including cable accessory, and the bottom of cable accessory is provided with insulating sheath, aviation plug is provided with below insulating sheath；Cable accessory has center line nose, center line nose is internally provided with voltage transformer body, voltage transformer body includes the high-tension resistive for being fixed on one end inside center line nose, high temperature resistant wire is connected with high-tension resistive, wherein high temperature resistant wire extends to the other end inside center line nose, and high temperature resistant wire is connected with second divided voltage resistance pcb board；The insulating cylinder body of isolation cable inner conductive material is wherein also associated with center line nose.By way of electronics and electrical structure are combined, electronic voltage mutual induction device is built into cable accessory, so that cabinet space is reduced, it is achieved thereby that one or two integration programs.
Description
Technical field
The utility model belongs to voltage transformer design field；More particularly to a kind of air ring main unit mutual induction of voltage
Device mounting structure.
Background technology
Based on the development of existing novel air insulation ring main unit, requirement to supporting internal component performance and structure into
Row improves, and to meet present intelligent grid, miniaturization and modular demand, 2015 end of the year national grids propose to carry out intelligence
Can in power grid electronic mutual inductor application, in the case of one or two integration programs that in July, 2016 proposes, will more meet intelligence
The electronic mutual inductor of power grid is released.Because existing conventional electromagnetic voltage transformer is complicated, volume is big, it is existing not meet
The installation space of intelligent air insulation ring main unit, it is not environmentally, also uneconomical, and Novel electronic voltage transformer just makes up
Original technological deficiency.
Utility model content
The utility model provides a kind of air ring main unit voltage mutual inductor installation structure, passes through electronics and electrical structure
The mode being combined, electronic voltage mutual induction device is built into cable accessory, so that cabinet space is reduced, it is achieved thereby that one
Secondary integration program.
The technical solution of the utility model is：A kind of air ring main unit is attached with voltage mutual inductor installation structure, including cable
Part, the bottom of cable accessory are provided with insulating sheath, aviation plug are provided with below insulating sheath；Cable accessory has center line nose
Son, center line nose are internally provided with voltage transformer body, and voltage transformer body includes being fixed on one end inside center line nose
High-tension resistive, be connected with high temperature resistant wire on high-tension resistive, wherein high temperature resistant wire extends to another inside center line nose
End, and high temperature resistant wire is connected with second divided voltage resistance pcb board；Isolation cable inner conductive is wherein also associated with center line nose
The insulating cylinder body of material.
Further, the utility model is also characterized by：
Threaded securing bores are wherein provided with inside center line nose, high-tension resistive is fixed in threaded securing bores.
One end of OT terminal is wherein fixed with threaded securing bores, the other end of OT terminal is fixedly connected with high-tension resistive.
Wherein insulating cylinder body is epoxy resin cylinder, and one end of insulating cylinder body is cylinder connector, and cylinder fitting sleeve is in center line nose
Sub- outside.
Wherein the length of insulating cylinder body is not less than 200mm.
Wherein high-tension resistive is coaxial-type high-tension resistive.
Compared with prior art, the beneficial effects of the utility model are：The device is combined using electronics and electrical structure
Mode, directly voltage transformer body is built in the center line nose of cable accessory, with original electromagnetic potential mutual inductance
Device, which needs to occupy the big quantity space of air epoxy cabinet, to be compared, and voltage transformer prevents take up the inside of air epoxy cabinet in the device
Space, it is built in center line nose, realizes one or two modes blended, and insulate by being connected on center line nose
Cylinder, has achieveed the purpose that to improve precision, has reduced volume, which has a wide range of application.
Further, by being threaded mounting hole inside center line nose, and height is fixedly connected with by OT terminal
Piezoresistance, realizes fixation of the high-tension resistive in center line nose.
Further, using epoxy resin cylinder as insulating cylinder body, the conductive material inside isolation cable is realized.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of the utility model epoxy resin cylinder；
Fig. 3 be partial discharge contrast be 300pc under the curve comparison figure of conventional voltage transformer and standard value；
Fig. 4 be partial discharge contrast be 20pc under the curve comparison figure of the present apparatus and standard value.
In figure：1 is cable accessory；2 center line noses；3 be insulating sheath；4 be aviation plug；5 be OT terminal；6 be high pressure
Resistance；7 be high temperature resistant wire；8 be insulating cylinder body；9 be cylinder connector.
Embodiment
The technical solution of the utility model is further illustrated with specific embodiment below in conjunction with the accompanying drawings.
The utility model provides a kind of air ring main unit voltage mutual inductor installation structure, as shown in Figure 1, including cable
Annex 1, cable accessory 1 are existing product, and general model uses 630A/4002Cable.The wherein center line nose of cable accessory 1
2 are internally provided with voltage transformer body；The bottom of cable accessory 1 is provided with insulating sheath 3, and the lower section of insulating sheath 3 is set
It is equipped with aviation plug 4；Wherein voltage transformer body includes being fixed on the high-tension resistive 6 inside center line nose 2, high-tension resistive 6
Preferably coaxial-type high-tension resistive, high temperature resistant wire 7, high temperature resistant wire 7 and second divided voltage resistance are also associated with high-tension resistive 6
PCB plates connect；Insulating cylinder body 8 is wherein also associated with center line nose 2, as shown in Fig. 2, the one end for feeling cylinder 8 is to be sleeved on
Cylinder connector 9 on center line nose 2, insulating cylinder body 8 are used to completely cut off cable inner conductive material, and insulating cylinder body 8 is preferably epoxy
Resin cartridge, its length are not less than 200mm.
Further, one end inside center line nose 2 is provided with the threaded securing bores of M6, is fixedly mounted in threaded securing bores
Conducting wire number is the OT terminal 5 of 2.5-8, and the other end and the high-tension resistive 6 of OT terminal 5 weld.
The assembling of the utility model and installation process are：Cable accessory 1 is chosen, in the center line nose 2 of cable accessory 1
The one end in portion processes the threaded securing bores of a M6, and the OT terminal 5 that conducting wire number is 2.5-8, OT ends are fixed with threaded securing bores
The other end of son 5 is welded with high-tension resistive 6, and high-tension resistive 6 welds together with high temperature resistant wire 7, and high temperature resistant wire 7 is also
It is connected with second divided voltage electronics pcb board.
After above-mentioned electronic type voltage transformer is placed in center line nose 2, then installed in the bottom of cable accessory 1
Good insulating sheath and aviation plug 4.
Requirement according to air ring main unit is equipped with above-mentioned 3 mounting structures, and in air ring main unit.
Voltage sensor that the utility model uses and standard value and conventional electromagnetic voltage transformer and standard value
Curve comparison figure, its specific contrast table are as follows：
Claims (6)
1. a kind of air ring main unit voltage mutual inductor installation structure, it is characterised in that including cable accessory (1), cable accessory
(1) bottom is provided with insulating sheath (3), and aviation plug (4) is provided with below insulating sheath (3)；During cable accessory (1) has
Line nose (2), center line nose (2) are internally provided with voltage transformer body, and voltage transformer body includes being fixed on center line nose
The high-tension resistive (6) of sub (2) internal one end, is connected with high temperature resistant wire (7), wherein high temperature resistant wire (7) on high-tension resistive (6)
The internal other end of center line nose (2) is extended to, and high temperature resistant wire (7) is connected with second divided voltage resistance pcb board；Wherein center line
The insulating cylinder body (8) of isolation cable inner conductive material is also associated with nose (2).
2. air ring main unit voltage mutual inductor installation structure according to claim 1, it is characterised in that the center line nose
Threaded securing bores are provided with inside sub (2), high-tension resistive (6) is fixed in threaded securing bores.
3. air ring main unit voltage mutual inductor installation structure according to claim 2, it is characterised in that the screw thread is consolidated
Determine to be fixed with one end of OT terminal (5) in hole, the other end of OT terminal (5) is fixedly connected with high-tension resistive (6).
4. air ring main unit voltage mutual inductor installation structure according to claim 1, it is characterised in that the insulating cylinder
Body (8) is epoxy resin cylinder, and one end of insulating cylinder body (8) is cylinder connector (9), and cylinder connector (9) is sleeved on center line nose (2) outside
Side.
5. air ring main unit voltage mutual inductor installation structure according to claim 1, it is characterised in that the insulating cylinder
The length of body (8) is not less than 200mm.
6. air ring main unit voltage mutual inductor installation structure according to claim 1, it is characterised in that the high-voltage electricity
It is coaxial-type high-tension resistive to hinder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721463036.9U CN207336571U (en) | 2017-11-06 | 2017-11-06 | A kind of air ring main unit voltage mutual inductor installation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721463036.9U CN207336571U (en) | 2017-11-06 | 2017-11-06 | A kind of air ring main unit voltage mutual inductor installation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207336571U true CN207336571U (en) | 2018-05-08 |
Family
ID=62364310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721463036.9U Active CN207336571U (en) | 2017-11-06 | 2017-11-06 | A kind of air ring main unit voltage mutual inductor installation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207336571U (en) |
-
2017
- 2017-11-06 CN CN201721463036.9U patent/CN207336571U/en active Active
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