CN207743133U - A kind of high voltage isolation switch contact device - Google Patents
A kind of high voltage isolation switch contact device Download PDFInfo
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- CN207743133U CN207743133U CN201721848268.6U CN201721848268U CN207743133U CN 207743133 U CN207743133 U CN 207743133U CN 201721848268 U CN201721848268 U CN 201721848268U CN 207743133 U CN207743133 U CN 207743133U
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- contact
- high voltage
- moved end
- isolation switch
- switch contact
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Abstract
The utility model discloses a kind of high voltage isolation switch contact devices, pass through position-limiting unit, multipair sheet moved end insulating contact, the structure for the multipair blade contact spring being correspondingly arranged with the multipair sheet moved end insulating contact, improve creep resistance and anti-fatigue performance of the high voltage isolation switch contact device under static load and dynamic load, absorb impact property, heat resistance, and the elastic strain of blade contact spring is big, specific strain energy is high, pressure transmission is uniform and stable, be conducive to increase contact pressure when isolation switch contact closes a floodgate, reduce disconnecting switch contact resistance, reduce contact melting welding, to improve reliability and the safety of power system power supply.
Description
Technical field
The utility model is related to high voltage isolator technical field, more particularly to a kind of high voltage isolation switch contact device.
Background technology
High voltage isolator is very important common electrical equipment in electric system, and high voltage isolator includes static side group
Part and moved end component, static side component include static side contact and quiet busbar, and moved end component includes touch spring, and disconnecting switch is touched
Head pressure is mainly provided by touch spring.
In the prior art, isolation switch contact spring is spiral spring, including drawing and compression.Isolation switch contact fills
It sets and often causes touch spring deterioration, elasticity are insufficient to be even broken due to strong mechanical shock, contact are conductive heated etc., touch simultaneously
Head spring fixed point constraint, the transmission of contact position power is unstable, these factors cause contact pressure insufficient, and disconnecting switch connects
Resistance of getting an electric shock is big, and contact is easy melting welding, directly affects reliability and the safety of power system power supply.
Invention content
The purpose of this utility model is that in view of the above-mentioned problems, providing a kind of high voltage isolation switch contact device, solve
The problem of conventional isolation switches touch spring, improves contact pressure when isolation switch contact closes a floodgate, and reduces disconnecting switch and connects
It gets an electric shock and hinders, reduce contact melting welding, improve reliability and the safety of power system power supply.
In order to reach object above, the utility model embodiment provides a kind of high voltage isolation switch contact device, including
Static side component, moved end component, the moved end component includes position-limiting unit, multipair sheet moved end insulating contact, with described multipair
The multipair blade contact spring that shape moved end insulating contact is correspondingly arranged；In the sheet moved end, isolation is touched for the blade contact spring setting
On head, the restriction unit is defined the position of sheet moved end insulating contact, the blade contact spring.
Preferably, the restriction unit includes that limiting frame, limiting frame restraining plate and limiting frame supporting block is isolated, described
Limiting frame restraining plate and the limiting frame supporting block are fixed on the isolation limiting frame；Sheet moved end insulating contact
It is arranged on the isolation limiting frame.
Preferably, sheet moved end insulating contact is five pairs, and the blade contact spring is five pairs.
Preferably, the blade contact spring is domes.
Preferably, the blade contact spring is high carbon alloy Steel material.
Preferably, the blade contact spring is monolithic or multi-disc, single-sheet thickness 1-5mm.
Preferably, the high voltage isolation switch contact device further includes supporting rack, and the restriction unit is arranged in institute
It states on support base.
Preferably, the static side component includes the static side contact for being fixedly connected with setting and quiet busbar.
The high voltage isolation switch contact device that the utility model embodiment provides, passes through position-limiting unit, multipair sheet moved end
Insulating contact, the structure for the multipair blade contact spring being correspondingly arranged with the multipair sheet moved end insulating contact, improve high pressure every
From creep resistance and anti-fatigue performance, absorption impact property, heat resistance of the Switching contact arrangement under static load and dynamic load, and sheet is touched
The elastic strain of head spring is big, specific strain energy is high, pressure transmission is uniform and stable, is conducive to increase touching when isolation switch contact closes a floodgate
Head pressure, reduces disconnecting switch contact resistance, contact melting welding is reduced, to improve the reliability and safety of power system power supply
Property.
Description of the drawings
Fig. 1 is a kind of high voltage isolation switch contact apparatus structure schematic diagram that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram for another high voltage isolation switch contact device that the utility model embodiment provides；
Fig. 3 is the partial structurtes signal for another high voltage isolation switch contact device that the utility model embodiment provides
Figure；
Fig. 4 is the partial structurtes signal for another high voltage isolation switch contact device that the utility model embodiment provides
Figure；
Fig. 5 is the partial structurtes signal for another high voltage isolation switch contact device that the utility model embodiment provides
Figure；
Wherein, 1 sheet moved end insulating contact, 2 blade contact springs, 3 isolation limiting frames, 4 limiting frame restraining plates, 5 limiting frames
Supporting block, 6 support bases, 7 limit springs, 8 quiet busbars, 9 static side contacts.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model
Limitation.
For problems of the prior art, as shown in Figure 1, the utility model embodiment provides a kind of high_voltage isolation
Switching contact arrangement, including static side component, moved end component, the moved end component include position-limiting unit, the isolation of multipair sheet moved end
Contact 1, the multipair blade contact spring 2 being correspondingly arranged with the multipair sheet moved end insulating contact 1；The blade contact spring 2 is set
It sets on sheet moved end insulating contact 1, the restriction unit is to sheet moved end insulating contact 1, the blade contact
The position of spring 2 is defined.
As shown in figure 3, in the preferred embodiment in the utility model, the restriction unit includes that limiting frame 3, limiting frame is isolated about
Beam plate 4 and limiting frame supporting block 5, the limiting frame restraining plate 4 and the limiting frame supporting block 5 are fixed at the isolation limit
Determine on frame 3；Sheet moved end insulating contact 1 is arranged on the isolation limiting frame 3.
Specifically, as shown in figure 3, sheet moved end insulating contact 1 is conductive excellent copper product, it is embedded into isolation limiting frame 3
On, it is constrained by limiting frame supporting block 5, blade contact spring 2, limiting frame restraining plate 4 and limit spring 7.Limit spring is common spring material
Matter.Blade contact spring 2 is embedded into sheet moved end insulating contact 1, and is constrained by limiting frame restraining plate 4.
Further, as shown in figure 3, isolation limiting frame 3, limiting frame supporting block 5, limiting frame restraining plate 4 are insulating materials,
Such as nylon, epoxy resin DMC, SMC.Limiting frame supporting block 5 and limiting frame restraining plate 4 are fixed to isolation limiting frame 3 with bolt
On.
In the preferred embodiment in the utility model, as shown in Figure 1, sheet moved end insulating contact 1 is five pairs, the sheet
Contact spring 2 is five pairs.The blade contact spring 2 is domes.The blade contact spring 2 is high carbon alloy Steel material.It is described
Blade contact spring 2 is monolithic or multi-disc, single-sheet thickness 1-5mm.
Specifically, as shown in figure 4, sheet moved end insulating contact 1 can be five pairs to can also other are multipair, corresponding
Shape contact spring 2 also changes.
Further, as shown in figure 5, the high carbon alloy Steel material that 2 material of blade contact spring uses, has higher elasticity pole
Limit and decline drag, can prevent that fatigue and fracture occur under alternate stress, have high fatigue strength and the performances such as anti-corrosion,
It is spiral spring, the poor disadvantage of carrying pressure, impact, high temperature, fatigue capability to solve conventional contact spring.
Further, as shown in figure 5, the elastic strain of the domes of blade contact spring 2 is big, specific strain energy is high, pressure
Transmission it is uniform and stable, be conducive to increase isolation switch contact close a floodgate when contact pressure, can be conducive to reduce disconnecting switch connect
It gets an electric shock and hinders, reduce contact melting welding.It solves conventional contact spring contact when contact closes a floodgate and transmits unstable, contact point stress
It is uneven, the high problem of local temperature rise.
In the preferred embodiment in the utility model, as shown in Fig. 2, the high voltage isolation switch contact device further includes support
Frame, the restriction unit are arranged on the support base 6.
Specifically, the position of support base 6 is fixed, and can be metal or nonmetallic materials.It is axial above that limiting frame 3 is isolated
Rotation drives sheet moved end insulating contact 1, blade contact spring 2 to rotate, realizes the combined floodgate and separating brake of disconnecting switch.
In the preferred embodiment in the utility model, as shown in Fig. 2, the static side component include be fixedly connected setting static side touch
First 9 and quiet busbar 8.
Specifically, quiet busbar 8, static side contact 9 are conductive excellent copper product, and the position of static side contact 9 is static, passes through spiral shell
Bolt is fixed with quiet busbar 8.
In the utility model specific embodiment, during high voltage isolator separating brake, the actuating machine of high voltage isolator
Structure shaft motion drives isolation limiting frame 3 to be rotated on support base 6, while driving sheet moved end insulating contact 1, blade contact spring
2, limiting frame supporting block 5, limiting frame restraining plate 4 rotate, and moving downward makes disconnecting switch separating brake, and system circuit power-off isolation is protected
The safety of card maintenance or maintenance work.
The high voltage isolation switch contact device that the utility model embodiment provides, passes through position-limiting unit, multipair sheet moved end
Insulating contact 1, the multipair blade contact spring 2 being correspondingly arranged with the multipair sheet moved end insulating contact 1 improve high_voltage isolation and open
Close creep resistance and anti-fatigue performance, absorption impact property, heat resistance of the contact apparatus under static load and dynamic load, and blade contact spring
2 elastic strain is big, specific strain energy is high, pressure transmission is uniform and stable, is conducive to increase contact when isolation switch contact closes a floodgate
Pressure reduces disconnecting switch contact resistance, reduces contact melting welding, solves disconnecting switch contact deficiency in the prior art and lead
The problem of electric poor reliability, can effectively improve the rated current and the ability of dynamic and thermal stability electric current in short-term of disconnecting switch, to carry
The reliability of high power system power supply and safety.
The structure, feature and effect of the utility model are described in detail based on the embodiments shown in the drawings, with
Upper described is only the preferred embodiment of the utility model, but the utility model is to limit practical range shown in drawing, it is every according to
Change made by conception according to the utility model, or be revised as the equivalent embodiment of equivalent variations, still without departing from specification and figure
When showing covered spirit, it should be within the protection scope of the present utility model.
Claims (8)
1. a kind of high voltage isolation switch contact device, including static side component, moved end component, which is characterized in that the moved end component
Including limiting unit, multipair sheet moved end insulating contact, multipair be correspondingly arranged with the multipair sheet moved end insulating contact
Shape contact spring；
The blade contact spring is arranged on the insulating contact of the sheet moved end, and the sheet moved end is isolated in the restriction unit
Contact, the blade contact spring position be defined.
2. high voltage isolation switch contact device as described in claim 1, which is characterized in that the restriction unit includes that isolation limits
Frame, limiting frame restraining plate and limiting frame supporting block, the limiting frame restraining plate and the limiting frame supporting block are fixed at institute
It states on isolation limiting frame；
Sheet moved end insulating contact is arranged on the isolation limiting frame.
3. high voltage isolation switch contact device as described in claim 1, which is characterized in that sheet moved end insulating contact is five
Right, the blade contact spring is five pairs.
4. high voltage isolation switch contact device as described in claim 1, which is characterized in that the blade contact spring is arch knot
Structure.
5. high voltage isolation switch contact device as described in claim 1, which is characterized in that the blade contact spring is high carbon alloy
Steel material.
6. high voltage isolation switch contact device as described in claim 1, which is characterized in that the blade contact spring is monolithic or more
Piece, single-sheet thickness 1-5mm.
7. the high voltage isolation switch contact device as described in claim any one of 1-6, which is characterized in that the high voltage isolator
Contact apparatus further includes supporting rack, and the restriction unit is arranged on the support base.
8. the high voltage isolation switch contact device as described in claim any one of 1-6, which is characterized in that the static side component includes
It is fixedly connected with the static side contact of setting and quiet busbar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721848268.6U CN207743133U (en) | 2017-12-26 | 2017-12-26 | A kind of high voltage isolation switch contact device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721848268.6U CN207743133U (en) | 2017-12-26 | 2017-12-26 | A kind of high voltage isolation switch contact device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207743133U true CN207743133U (en) | 2018-08-17 |
Family
ID=63119948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721848268.6U Active CN207743133U (en) | 2017-12-26 | 2017-12-26 | A kind of high voltage isolation switch contact device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207743133U (en) |
-
2017
- 2017-12-26 CN CN201721848268.6U patent/CN207743133U/en active Active
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