CN202736816U - High voltage isolating/grounding switch device - Google Patents

High voltage isolating/grounding switch device Download PDF

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Publication number
CN202736816U
CN202736816U CN 201220421591 CN201220421591U CN202736816U CN 202736816 U CN202736816 U CN 202736816U CN 201220421591 CN201220421591 CN 201220421591 CN 201220421591 U CN201220421591 U CN 201220421591U CN 202736816 U CN202736816 U CN 202736816U
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China
Prior art keywords
bus
contact
moving contact
isolation
isolating
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CN 201220421591
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Chinese (zh)
Inventor
古王荣
吉利
来东
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China XD Electric Co Ltd
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China XD Electric Co Ltd
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Priority to CN 201220421591 priority Critical patent/CN202736816U/en
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Abstract

The utility model discloses a high voltage isolating/grounding switch device which comprises a movable contact and a static contact. The static contact comprises a bus I isolating static contact, a bus II isolating static contact and a grounding static contact. The movable contact comprises a bus I isolating movable contact, a grounding movable contact, a connecting conductor and a bus II isolating movable contact. The bus I isolating movable contact, the grounding movable contact and the bus II isolating movable contact are fixedly arranged on the connecting conductor through screws. The bus I isolating static contact and the bus II isolating static contact are cylindrical, and are respectively and fixedly arranged on center conductors of a bus I and a bus II through screws. According to the utility model, a five-position isolating/grounding switch is used to replace two three-position isolating/grounding switches, and a switching function required by a double bus interval line is also satisfied; and the high voltage isolating/grounding switch device has the advantages of compact product structure, reduced volume, reduced cost and reliable performance.

Description

A kind of high pressure isolating/grounding switch device
[technical field]
The utility model belongs to the high voltage electric switch field, particularly a kind of high pressure isolating/grounding switch device.
[background technology]
At present, the basis of the isolating/grounding switch in composite type high-voltage combined electrical apparatus function in the line has single isolating switch, single earthed switch and three-station isolating/grounding switch.Usually in the double-bus interval, use two modular three-station isolating/grounding switch, finish the folding function of double-bus interval circuit requirement by electrical interlock, increased on the one hand the weight of product, also increased on the other hand the cost of product.
[utility model content]
The purpose of this utility model is to provide a kind of high pressure isolating/grounding switch that satisfies double-bus interval folding function, and is simple in structure, and dependable performance is with low cost, thereby product structure is further optimized.
To achieve these goals, the utility model adopts following technical scheme:
A kind of high pressure isolating/grounding switch device comprises moving contact and fixed contact; Fixed contact comprises bus I isolation fixed contact, bus II isolation fixed contact and grounding static contact; Described moving contact comprises bus I isolation moving contact, ground connection moving contact, bonding conductor and bus II isolation moving contact; Bus I isolation moving contact, ground connection moving contact, bus II isolation moving contact are fixedly mounted on the bonding conductor by screw; Bus I isolation fixed contact and bus II isolation fixed contact are tubular, are fixedly mounted on respectively by screw on the center conductor of bus I and bus II.
The utility model further improves and is: bus I isolation moving contact, ground connection moving contact, bus II isolation moving contact front end are provided with arc-shaped contact part.
The utility model further improves and is: the angle between the center line of the center line of the arc-shaped contact part of bus I isolation moving contact and the arc-shaped contact part of ground connection moving contact is 30 °; Angle between the center line of the arc-shaped contact part of the center line of the arc-shaped contact part of ground connection moving contact and bus II isolation moving contact is 30 °; The center line of the arc-shaped contact part of ground connection moving contact is between the center line of the arc-shaped contact part that center line and the bus II of the arc-shaped contact part of bus I isolation moving contact are isolated moving contact.
The utility model further improves and is: the radian of the arc-shaped contact part of the arc-shaped contact part of bus I isolation moving contact and bus II isolation moving contact equates, all greater than the radian of the arc-shaped contact part of ground connection moving contact.
The further improvement of the utility model is: at zero-bit and open position, bus I isolation moving contact, ground connection moving contact, bus II isolation moving contact are isolated fixed contact and are separated with corresponding bus I isolation fixed contact, grounding static contact, bus II.
The utility model further improves and is: at bus II isolating switch closing position, bus I isolation moving contact, ground connection moving contact are isolated fixed contact with corresponding bus I, grounding static contact separates, and bus II isolation moving contact closes a floodgate with corresponding bus II isolation fixed contact contact.
The utility model further improves and is: at bus I, bus II isolating switch closing position, the ground connection moving contact separates with grounding static contact, and bus I isolation moving contact, bus II isolation moving contact close a floodgate with corresponding bus I isolation fixed contact, the contact of bus II isolation fixed contact.
The utility model further improves and is: at bus I isolating switch closing position, ground connection moving contact, bus II isolation moving contact are isolated fixed contact and are separated with corresponding grounding static contact, bus II, and bus I isolation moving contact contacts combined floodgate with bus I isolation fixed contact.
The utility model further improves and is: at the earthed switch closing position, bus I isolation moving contact, bus II isolation moving contact are isolated fixed contact with corresponding bus I, bus II isolation fixed contact separates; The ground connection moving contact contacts combined floodgate with grounding static contact.
Compared with prior art, the utlity model has following advantage: described moving contact includes bus I isolation moving contact, ground connection moving contact, bonding conductor and bus II isolation moving contact.Three moving contacts link together by screw and bonding conductor, exist relative position relation between the three.In a circular motion, moving contact can divide closing operation in different positions and fixed contact, thereby finishes the folding function of double-bus space requirement.Compared with prior art, the utility model replaces two three-station isolating/grounding switch with five station isolating/grounding switch, satisfies equally the folding function of double-bus interval circuit requirement, thereby make product with compact structure, volume reduces, cost, dependable performance.
[description of drawings]
Fig. 1 is the structural representation of the utility model high pressure isolating/grounding switch device;
Fig. 2 a is the structural representation of moving contact; Fig. 2 b is the left view of Fig. 2 a;
Fig. 3 a is the utility model high pressure isolating/grounding switch device when being in zero-bit, the position view between moving contact and the fixed contact;
Fig. 3 b is the utility model high pressure isolating/grounding switch device when being in bus II isolating switch closing position, the position view between moving contact and the fixed contact;
Fig. 3 c is the utility model high pressure isolating/grounding switch device when being in bus I, bus II isolating switch closing position, the position view between moving contact and the fixed contact;
Fig. 3 d is the utility model high pressure isolating/grounding switch device when being in bus I isolating switch and closing a floodgate, the position view between moving contact and the fixed contact;
Fig. 3 e is the utility model high pressure isolating/grounding switch device when being in open position, the position view between moving contact and the fixed contact;
Fig. 3 f is the utility model high pressure isolating/grounding switch device when being in the earthed switch closing position, the position view between moving contact and the fixed contact.
[embodiment]
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
See also Fig. 1 to shown in Figure 3, a kind of high pressure isolating/grounding switch of the utility model device (because it has five service positions, referred to as five station isolating/grounding switch) comprises moving contact 20 and fixed contact; Fixed contact comprises bus I isolation fixed contact 1, bus II isolation fixed contact 4 and grounding static contact 3.Bus I isolation fixed contact 1 is tubular, is mounted by means of bolts on the bus I center conductor; Bus II isolation fixed contact 4 is tubular, is mounted by means of bolts on the bus II center conductor; Grounding static contact 3 is tubular, is mounted by means of bolts on the cover plate.
Shown in Fig. 2 a and Fig. 2 b, moving contact 20 includes bus I isolation moving contact 21, ground connection moving contact 22, bonding conductor 23 and bus II isolation moving contact 24.Bus I isolation moving contact 21, ground connection moving contact 22, bus II isolation moving contact 24 are fixedly mounted on the bonding conductor 23 by screw, exist relative position relation between the three.Bus I isolation moving contact 21, ground connection moving contact 22, the contact site of bus II isolation moving contact 24 front ends is curved, angle between the center line of the center line of the arc-shaped contact part of bus I isolation moving contact 21 and the arc-shaped contact part of ground connection moving contact 22 is 30 °, angle between the center line of the arc-shaped contact part of the center line of the arc-shaped contact part of ground connection moving contact 22 and bus II isolation moving contact 24 is 30 °, and the center line of the arc-shaped contact part of ground connection moving contact 22 is between the center line of the arc-shaped contact part that center line and the bus II of the arc-shaped contact part of bus I isolation moving contact 21 are isolated moving contact 24.The radian of the arc-shaped contact part of the arc-shaped contact part of bus I isolation moving contact 21 and bus II isolation moving contact 24 equates, all greater than the radian of the arc-shaped contact part of ground connection moving contact 22.
In a circular motion, bus I isolation moving contact 21, ground connection moving contact 22, bus II isolation moving contact 24 can divide closing operation in different positions and bus I isolation fixed contact 1, bus II isolation fixed contact 4, grounding static contact 3, thereby finish the folding function of double-bus space requirement, shown in Fig. 3 a to Fig. 3 f.
See also shown in the 3a, when a kind of five station isolating/grounding switch devices of the utility model were in zero-bit, bus I isolation moving contact 21, ground connection moving contact 22, bus II isolation moving contact 24 were isolated fixed contact 4 and are separated with corresponding bus I isolation fixed contact 1, grounding static contact 3, bus II.
See also shown in the 3b, power intake rotarily drives bus I isolation moving contact 21, ground connection moving contact 22, bonding conductor 23 and bus II isolation moving contact 24 and together rotates, rotate to the bus II isolating switch closing position shown in Fig. 3 b from zero-bit position shown in Fig. 3 a, bus I isolation moving contact 21, ground connection moving contact 22 are still isolated fixed contact 1 with corresponding bus I, grounding static contact 3 separates, and bus II isolation moving contact 24 closes a floodgate with corresponding bus II isolation fixed contact 4 contacts.
See also shown in the 3c, power intake rotarily drives bus I isolation moving contact 21, ground connection moving contact 22, bonding conductor 23 and bus II isolation moving contact 24 and together rotates, rotate to the bus I shown in Fig. 3 c, bus II isolating switch closing position from the isolating switch of bus II shown in Fig. 3 b closing position, ground connection moving contact 22 still separates with grounding static contact 3, and bus I isolation moving contact 21, bus II isolation moving contact 24 close a floodgate with corresponding bus I isolation fixed contact 1,4 contacts of bus II isolation fixed contact.
See also shown in the 3d, power intake rotarily drives bus I isolation moving contact 21, ground connection moving contact 22, bonding conductor 23 and bus II isolation moving contact 24 and together rotates, rotate to the bus I isolating switch closing position shown in Fig. 3 d from bus I shown in Fig. 3 c, bus II isolating switch closing position, ground connection moving contact 22, bus II isolation moving contact 24 are isolated fixed contact 4 and are separated with corresponding grounding static contact 3, bus II, and bus I isolation moving contact 21 contacts combined floodgate with bus I isolation fixed contact 1.
See also shown in the 3e, power intake rotarily drives bus I isolation moving contact 21, ground connection moving contact 22, bonding conductor 23 and bus II isolation moving contact 24 and together rotates, rotate to the open position shown in Fig. 3 e from the isolating switch of bus I shown in Fig. 3 d closing position, bus I isolation moving contact 21, ground connection moving contact 22, bus II isolation moving contact 24 are isolated fixed contact 4 and are separated with corresponding bus I isolation fixed contact 1, grounding static contact 3, bus II.
See also shown in the 3f, power intake rotarily drives bus I isolation moving contact 21, ground connection moving contact 22, bonding conductor 23 and bus II isolation moving contact 24 and together rotates, rotate to the earthed switch closing position shown in Fig. 3 f from open position shown in Fig. 3 e, bus I isolation moving contact 21, bus II isolation moving contact 24 are isolated fixed contact 4 and are separated with corresponding bus I isolation fixed contact 1, bus II; Ground connection moving contact 22 contacts combined floodgate with grounding static contact 3.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model; can not assert that embodiment of the present utility model only limits to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; can also make some simple deduction or replace, all should be considered as belonging to the utility model and determine scope of patent protection by claims of submitting to.

Claims (9)

1. a high pressure isolating/grounding switch device is characterized in that, comprises moving contact (20) and fixed contact; Fixed contact comprises bus I isolation fixed contact (1), bus II isolation fixed contact (4) and grounding static contact (3); Described moving contact (20) comprises bus I isolation moving contact (21), ground connection moving contact (22), bonding conductor (23) and bus II isolation moving contact (24); Bus I isolation moving contact (21), ground connection moving contact (22), bus II isolation moving contact (24) are fixedly mounted on the bonding conductor (23) by screw; Bus I isolation fixed contact (1) and bus II isolation fixed contact (4) are tubular, are fixedly mounted on respectively by screw on the center conductor of bus I and bus II.
2. a kind of high pressure isolating/grounding switch device as claimed in claim 1 is characterized in that, bus I isolation moving contact (21), ground connection moving contact (22), bus II isolation moving contact (24) front end are provided with arc-shaped contact part.
3. a kind of high pressure isolating/grounding switch device as claimed in claim 1 is characterized in that, the angle between the center line of the center line of the arc-shaped contact part of bus I isolation moving contact (21) and the arc-shaped contact part of ground connection moving contact (22) is 30 °; Angle between the center line of the arc-shaped contact part of the center line of the arc-shaped contact part of ground connection moving contact (22) and bus II isolation moving contact (24) is 30 °; Center line and the bus II that the center line of the arc-shaped contact part of ground connection moving contact (22) is positioned at the arc-shaped contact part of bus I isolation moving contact (21) isolated between the center line of arc-shaped contact part of moving contact (24).
4. a kind of high pressure isolating/grounding switch device as claimed in claim 1, it is characterized in that, the radian of the arc-shaped contact part of the arc-shaped contact part of bus I isolation moving contact (21) and bus II isolation moving contact (24) equates, all greater than the radian of the arc-shaped contact part of ground connection moving contact (22).
5. such as a kind of high pressure isolating/grounding switch device as described in each in the claim 1 to 4, it is characterized in that, at zero-bit and open position, bus I isolation moving contact (21), ground connection moving contact (22), bus II isolation moving contact (24) are isolated fixed contact (4) and are separated with corresponding bus I isolation fixed contact (1), grounding static contact (3), bus II.
6. such as a kind of high pressure isolating/grounding switch device as described in each in the claim 1 to 4, it is characterized in that, at bus II isolating switch closing position, bus I isolation moving contact (21), ground connection moving contact (22) are isolated fixed contact (1) with corresponding bus I, grounding static contact (3) separates, and bus II isolation moving contact (24) is isolated fixed contact (4) contact combined floodgate with corresponding bus II.
7. such as a kind of high pressure isolating/grounding switch device as described in each in the claim 1 to 4, it is characterized in that, at bus I, bus II isolating switch closing position, ground connection moving contact (22) separates with grounding static contact (3), and bus I isolation moving contact (21), bus II isolation moving contact (24) close a floodgate with corresponding bus I isolation fixed contact (1), bus II isolation fixed contact (4) contact.
8. such as a kind of high pressure isolating/grounding switch device as described in each in the claim 1 to 4, it is characterized in that, at bus I isolating switch closing position, ground connection moving contact (22), bus II isolation moving contact (24) are isolated fixed contact (4) and are separated with corresponding grounding static contact (3), bus II, and bus I isolation moving contact (21) contacts combined floodgate with bus I isolation fixed contact (1).
9. such as a kind of high pressure isolating/grounding switch device as described in each in the claim 1 to 4, it is characterized in that, at the earthed switch closing position, bus I isolation moving contact (21), bus II isolation moving contact (24) are isolated fixed contact (4) and are separated with corresponding bus I isolation fixed contact (1), bus II; Ground connection moving contact (22) contacts combined floodgate with grounding static contact (3).
CN 201220421591 2012-08-23 2012-08-23 High voltage isolating/grounding switch device Active CN202736816U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220421591 CN202736816U (en) 2012-08-23 2012-08-23 High voltage isolating/grounding switch device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220421591 CN202736816U (en) 2012-08-23 2012-08-23 High voltage isolating/grounding switch device

Publications (1)

Publication Number Publication Date
CN202736816U true CN202736816U (en) 2013-02-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104659699A (en) * 2013-11-20 2015-05-27 江苏精科智能电气股份有限公司 Combined electrical appliance with novel rotary three-position switch
CN105336535A (en) * 2014-07-31 2016-02-17 西门子公司 Three-position switch and switching device with same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104659699A (en) * 2013-11-20 2015-05-27 江苏精科智能电气股份有限公司 Combined electrical appliance with novel rotary three-position switch
CN105336535A (en) * 2014-07-31 2016-02-17 西门子公司 Three-position switch and switching device with same

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