CN205943909U - Heavy current rotation type indoor high -voltage isolating switch - Google Patents
Heavy current rotation type indoor high -voltage isolating switch Download PDFInfo
- Publication number
- CN205943909U CN205943909U CN201620824221.5U CN201620824221U CN205943909U CN 205943909 U CN205943909 U CN 205943909U CN 201620824221 U CN201620824221 U CN 201620824221U CN 205943909 U CN205943909 U CN 205943909U
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- CN
- China
- Prior art keywords
- fingertip
- isolating switch
- contact tube
- voltage isolating
- copper strips
- 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.)
- Withdrawn - After Issue
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses a heavy current rotation type indoor high -voltage isolating switch, press from both sides and the electrically conductive unit of three -phase including stainless steel chassis, aluminium, the electrically conductive unit of three -phase sets up side by side on the stainless steel chassis, and every electrically conductive unit mutually includes two sleeve pipe and the two sets of contact groups that touch seat, area and lead magnetron, two sets of contact components do not lie in on the stainless steel chassis both sides lower part and opening one on the other with lead magnetron both ends position and correspond. Touching the seat and being a mouthful font, contact group of every group touches finger, supporting seat summation to nonrust steel bracing plate including several rows of copper stripss to several rows of copper stripss arrange setting up touch and indicate that one end is fixed and touching between seat and the supporting seat, and are several to nonrust steel bracing plate middle part fixing in the both sides of touching an one end through elastic compression mechanism respectively. The utility model discloses an existing elasticity of contact group has good electric conductivity again, and flute profile magnetic padlock board has increased the utility model discloses a dynamic and thermal stability nature has improved the reliability, has prolonged high tension switchgear's working life.
Description
Technical field
This utility model is related to a kind of heavy current disconnecting switches, and more particularly, to one kind is applied to box fixing high-voltage switch gear
Cabinet, operating current, in the rotary indoor high-voltage isolating switch of high current of more than 3150A, belongs to high voltage electrical apparatus technical field.
Background technology
Existing high current rotary high-voltage isolating switch as shown in FIG. 1 to 3, including iron plate underframe 1, support insulator
2nd, iron clamp 3, base of fixed plate 4, the touch base 5 of I-shaped, number row's fingertip 6, magnetic lock plate 7, stage clip 8 and the sleeve pipe 9 with contact tube 91,
Support insulator 2 is bolted on iron plate underframe 1.In support insulator 2 outer end, by base of fixed plate 4, touch base 5 is fixed
Thereon.Touch base 5 both sides are respectively provided with and are pressed with magnetic lock plate 7 outside 4 row's fingertip 6,4 row's fingertip 6.The magnetic padlock of touch base 5 left and right sides
Plate 7, by the long spiro nail 71 through pressure spring 72, fingertip 6 is crimped on outside contact tube 91.Electric current touching by Fig. 2 left end inlet wire
Seat 5 flows to contact tube 91 through fingertip 6, then flows to the touch base 5 of outlet through the fingertip 6 of contact tube 91 right-hand member.Electric current is from iron plate
The touch base 5 of underframe 1 left incoming line flows to the touch base 5 of iron plate underframe 1 right side outlet, middle contact tube 91 in sleeve pipe 9.By
Iron clamp 3 around sleeve pipe 9 and iron plate underframe 1 are ferromagnetic materials, can produce eddy-current heating in the presence of three-phase alternating magnetic field,
Have a strong impact on iron clamp 3 and the service life of iron plate underframe 1.High voltage isolator adopts the hemispherical fingertip head 61 of fingertip 6 upper end
The mode being embedded in the touch base nest 51 of touch base 5 lower end carries out electric current transmission, and when high-voltage isolator in power-on state is run, it is to sky
In gas, dust has adsorption, and dust falls in touch base nest 51, leads to conductive capability to decline rapidly, eventually causes fingertip touch base
Heating.On the other hand, the resistance of the fingertip 6 of touch base 5 both sides to touch base 5 is in the little unbalanced state in the big side in side, produces
Potential difference, electric current will pass through the long spiro nail 71 in the middle of fingertip 6, leads to the long spiro nail 71 to generate heat；Conventional for a long time, final generation
Long spiro nail 71 generates heat and fractures, and will burn high voltage isolator.In addition, being glued with epoxy resin between contact tube 91 and sleeve pipe 9
Knot agent is fixedly connected, and the heat within contact tube 91 cannot shed, and can increase the temperature rise of high voltage isolator.
Utility model content
The purpose of this utility model is to provide a kind of temperature rise low, and dynamic thermal stability is reliable, and longtime running is not in high pressure
The high current rotary high-voltage isolating switch that disconnecting switch heating is even burnt.
This utility model is achieved by the following technical programs：
A kind of rotary indoor high-voltage isolating switch of high current, including rustless steel underframe, aluminum folder and three-phase conductive unit, institute
State rustless steel underframe to be vertically arranged.Three-phase conductive unit is disposed side by side on rustless steel underframe, and described aluminum presss from both sides camber, is arranged on
In the middle part of three-phase conductive unit；Every phase conductive unit includes two touch bases, the sleeve pipe with contact tube and two groups of contact groups, described
Two groups of contact groups are located at rustless steel underframe both sides top and the bottom respectively and opening is corresponding with contact tube end positions one on the other；Institute
Stating touch base is in square shape, and every group of contact group includes number row's copper strips fingertip, support base sum to stainless steel bracing plate, touch base bottom
It is separately fixed at the top and the bottom of rustless steel underframe both sides by support insulator；The number row copper strips fingertip one end being arranged side by side is fixed
Between touch base and support base, several to being fixed on the two of touch base one end in the middle part of stainless steel bracing plate respectively by elastic hold-down mechanism
Side；When disconnecting switch engages, the sleeve pipe two ends with contact tube are stuck in the corresponding other end of number row's copper strips fingertip
Side.
The purpose of this utility model can also be realized further by following technical measures.
The rotary indoor high-voltage isolating switch of aforesaid high current, wherein the copper strips fingertip of rustless steel underframe side are in door word
Shape, the copper strips fingertip of rustless steel underframe opposite side is in inverted door font；Copper strips fingertip is overrided to form using multilayer copper foil；Described
The thickness of Copper Foil is 0.2mm～0.3mm.
The rotary indoor high-voltage isolating switch of aforesaid high current, wherein said elastic hold-down mechanism includes magnetic lock plate, spiral shell
Bolt, stage clip and a pair of stage clip pad, magnetic lock plate vertical support outside in the middle part of stainless steel bracing plate, horizontally disposed bolt one end is first
Pass through magnetic lock plate afterwards, be clipped in a pair of the middle stage clip of stage clip pad, a side of stainless steel bracing plate, copper strips fingertip and support base,
Fastened by double nut.
The rotary indoor high-voltage isolating switch of aforesaid high current, the wherein said sleeve pipe with contact tube include contact tube,
Insulated sleeve and the insulated end cover at two ends, the contact tube two ends in insulated sleeve stretch out insulated sleeve two ends, ladder respectively
Insulated end cover one end of axle sleeve shape puts in insulated sleeve, and by the inner stopper positioning of insulated sleeve, positioned at insulated sleeve port
Being fixed on contact tube radial through several trip bolts of the insulated end cover other end in outside.Between described contact tube and sleeve pipe
It is provided with the drum-shaped gap that thickness is 2mm～3mm.
Rustless steel underframe of the present utility model and aluminum folder are nonmagnetic substance, thus without generation eddy-current heating.Guarantee
Sleeve pipe with contact tube will not generate heat.Advantageously reduce the temperature rise of contact tube in sleeve pipe.The touch base of square shape is beneficial to radiating, with
When, the number row copper strips fingertip one end being arranged side by side is screwed between touch base and support base, in door font or inverted door
The copper strips fingertip of font is overrided to form using multilayer copper foil, and such structure has preferable pliability, in elastic hold-down mechanism
Pressuring action under, in the copper strips fingertip of door font and conductive casings, contact tube contact surface is good plane contact, eliminates
The easily touch base nest of dust stratification dirt.In addition to the root being easily deformed, the remainder of door font forms an entirety to fingertip thin copper belt.
Clamped it is ensured that it has good elasticity outside copper strips fingertip by stainless steel bracing plate, such contact group not only flexible but also
There is good electric conductivity.Stainless steel bracing plate external pressure flute profile magnetic lock plate, increased the dynamic thermal stability of indoor high-voltage isolating switch.
Number row's copper strips fingertip of support base both sides produces contact pressure by respective bolt by elastic hold-down mechanism, respectively even if both sides
Copper strips fingertip current imbalance, there will not be electric current and flows through it is ensured that indoor high-voltage isolating switch long-term safety is run from bolt.
The structure that is connected with insulated end cover between contact tube and sleeve pipe is so that have in drum-shaped gap between contact tube and sleeve pipe
Air, distribute the heat of indoor high-voltage isolating switch by the radiating groove of insulated end cover, thus reduction indoor high-voltage is kept apart
The temperature rise closed, improves the reliability of indoor high-voltage isolating switch, flute profile magnetic lock plate increased dynamic and thermal stability of the present utility model
Property, extend the working life of high-tension switch cabinet.
Advantage of the present utility model and feature, conciliate carrying out diagram by the non-limitative illustration of preferred embodiment below
Release, these embodiments, be only used as example referring to the drawings and be given.
Brief description
Fig. 1 is the structure chart of existing indoor high-voltage isolating switch；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is I enlarged drawing of Fig. 1；
Fig. 4 is the structure chart of this utility model indoor high-voltage isolating switch；
Fig. 5 is the left view of Fig. 4；
Fig. 6 is the partial enlarged drawing of the sleeve pipe with contact tube of the present utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in figure 4, this utility model includes rustless steel underframe 10, aluminum folder 20 and three-phase conductive unit 30, rustless steel bottom
Frame 10 is vertically arranged, and three-phase conductive unit 30 is disposed side by side on rustless steel underframe 10, and aluminum presss from both sides 20 cambers, is arranged on three-phase and leads
In the middle part of electric unit 30.As shown in figure 5, every phase conductive unit 30 includes two touch bases 31, the sleeve pipe 32 and two with contact tube 321
Group contact group 33, two groups of contact groups 33 are located at the top and the bottom of rustless steel underframe 10 left and right sides respectively, and one on opening one
Lowerly corresponding with contact tube 321 end positions.
As shown in figure 4, touch base 31 is in square shape, every group of contact group 33 includes number row's copper strips fingertip 331, support base 332
To stainless steel bracing plate 333, touch base 31 bottom is separately fixed at two before and after rustless steel underframe 10 sum by support insulator 334
The top and the bottom of side.As shown in figure 5, the copper strips fingertip 331 on rustless steel underframe 10 right side is in door font, the copper strips fingertip 331 in left side
In inverted door font.The horizontal ends of number row's 331 fonts of copper strips fingertip being arranged side by side be fixed on touch base 31 and support base 332 it
Between, several to the both sides being fixed on touch base 31 one end in the middle part of stainless steel bracing plate 333 respectively by elastic hold-down mechanism 34.Copper strips touches
Refer to 331 to be overrided to form using multilayer copper foil, every layer of copper thickness is 0.2mm～0.3mm.Elastic hold-down mechanism 34 includes flute profile magnetic
, to stage clip pad 344, flute profile magnetic lock plate 341 vertical support is in stainless steel bracing plate 333 for jam plate 341, bolt 342, stage clip 343 sum
Outside middle part, horizontally disposed bolt 342 one end priority passes through flute profile magnetic lock plate 341, is clipped in a pair of middle pressure of stage clip pad 344
One side of spring 343, stainless steel bracing plate 333, copper strips fingertip 331 and support base 332, is fastened by double nut 345.Flute profile magnetic
Jam plate 341 increased the dynamic thermal stability of indoor high-voltage isolating switch.
As shown in fig. 6, the sleeve pipe 32 with contact tube 321 includes the insulating end of contact tube 321, insulated sleeve 322 and two ends
Lid 323, insulated sleeve 322 two ends are stretched out at contact tube 321 two ends in insulated sleeve 322 respectively, ladder axle sleeve shape exhausted
Acies lid 323 right-hand member puts in insulated sleeve 322, and is positioned, positioned at insulated sleeve 322 by the inner stopper 324 of insulated sleeve 322
Being fixed on contact tube 321 radial through several trip bolts 325 of insulated end cover 322 left end outside port.Contact tube 321
It is provided with the tubular gap 326 that thickness is 2mm～3mm and sleeve pipe 322 between.Air in tubular gap 326 can pass through
The radiating groove of insulated end cover 323 distributes the heat of indoor high-voltage isolating switch, thus reducing the temperature of indoor high-voltage isolating switch
Rise.
When indoor high-voltage isolating switch engages, the two ends with contact tube 321 are stuck in corresponding number row's copper strips and touch
Refer to inside 331 other end.
In addition to the implementation, this utility model can also have other embodiment, all employing equivalents or equivalent change
Change the technical scheme of formation, all fall within the protection domain of this utility model requirement.
Claims (6)
1. the rotary indoor high-voltage isolating switch of a kind of high current, including rustless steel underframe, aluminum folder and three-phase conductive unit, described
Rustless steel underframe is vertically arranged, and three-phase conductive unit is disposed side by side on rustless steel underframe, and described aluminum presss from both sides camber, is arranged on three
In the middle part of phase conductive unit；It is characterized in that, every phase conductive unit includes two touch bases, the sleeve pipe with contact tube and two groups of contacts
Part group, described two groups of contact groups be located at respectively rustless steel underframe both sides top and the bottom and opening one on the other with contact tube two ends
Position corresponds to；Described touch base is in square shape, and every group of contact group includes number row's copper strips fingertip, support base sum to stainless bracing members
Plate, touch base bottom is separately fixed at the top and the bottom of rustless steel underframe both sides by support insulator；The number row's copper strips being arranged side by side
Fingertip one end is fixed between touch base and support base, several is fixed on by elastic hold-down mechanism respectively in the middle part of stainless steel bracing plate
The both sides of touch base one end；When disconnecting switch engages, the sleeve pipe two ends with contact tube are stuck in corresponding number row's copper strips and touch
Inside the other end referring to.
2. the rotary indoor high-voltage isolating switch of high current as claimed in claim 1 is it is characterised in that rustless steel underframe side
Copper strips fingertip be in door font, the copper strips fingertip of rustless steel underframe opposite side is in inverted door font；Copper strips fingertip adopts multilamellar
Copper Foil is overrided to form.
3. the rotary indoor high-voltage isolating switch of high current as claimed in claim 2 is it is characterised in that the thickness of described Copper Foil
For 0.2mm～0.3mm.
4. the rotary indoor high-voltage isolating switch of high current as claimed in claim 1 is it is characterised in that described elastic compression machine
Structure includes flute profile magnetic lock plate, bolt, stage clip and a pair of stage clip pad, and flute profile magnetic lock plate vertical support is outer in the middle part of stainless steel bracing plate
Side, horizontally disposed bolt one end priority passes through flute profile magnetic lock plate, is clipped in a pair of the middle stage clip of stage clip pad, stainless bracing members
One side of plate, copper strips fingertip and support base, is fastened by double nut.
5. the rotary indoor high-voltage isolating switch of high current as claimed in claim 1 it is characterised in that described with contact tube
Sleeve pipe includes the insulated end cover at contact tube, insulated sleeve and two ends, and the contact tube two ends in insulated sleeve are stretched out absolutely respectively
Edge sleeve pipe two ends, insulated end cover one end of ladder axle sleeve shape puts in insulated sleeve, and by the inner stopper positioning of insulated sleeve, position
Being fixed on contact tube radial through several trip bolts of the insulated end cover other end outside insulated sleeve port.
6. the rotary indoor high-voltage isolating switch of high current as claimed in claim 5 is it is characterised in that described contact tube and set
It is provided with the drum-shaped gap that thickness is 2mm～3mm between pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620824221.5U CN205943909U (en) | 2016-08-02 | 2016-08-02 | Heavy current rotation type indoor high -voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620824221.5U CN205943909U (en) | 2016-08-02 | 2016-08-02 | Heavy current rotation type indoor high -voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205943909U true CN205943909U (en) | 2017-02-08 |
Family
ID=57925065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620824221.5U Withdrawn - After Issue CN205943909U (en) | 2016-08-02 | 2016-08-02 | Heavy current rotation type indoor high -voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205943909U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106057557A (en) * | 2016-08-02 | 2016-10-26 | 镇江市丹高电器有限公司 | High current rotary indoor high-voltage isolating switch |
-
2016
- 2016-08-02 CN CN201620824221.5U patent/CN205943909U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106057557A (en) * | 2016-08-02 | 2016-10-26 | 镇江市丹高电器有限公司 | High current rotary indoor high-voltage isolating switch |
| CN106057557B (en) * | 2016-08-02 | 2018-08-21 | 镇江市丹高电器有限公司 | The rotary indoor high-voltage isolating switch of high current |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170208 Effective date of abandoning: 20180821 |
|
| AV01 | Patent right actively abandoned |