CN201910581U - Metal-enclosed combined electric switch - Google Patents
Metal-enclosed combined electric switch Download PDFInfo
- Publication number
- CN201910581U CN201910581U CN2010206969571U CN201020696957U CN201910581U CN 201910581 U CN201910581 U CN 201910581U CN 2010206969571 U CN2010206969571 U CN 2010206969571U CN 201020696957 U CN201020696957 U CN 201020696957U CN 201910581 U CN201910581 U CN 201910581U
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- switch
- combined electric
- electric appliance
- metal enclosed
- enclosed combined
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Abstract
The utility model discloses a metal-enclosed combined electric switch, which comprises an enclosed air chamber which consists of an isolating switch shell. A moving contact device, an isolating switch fixed contact and a grounding switch fixed contact are arranged in the air chamber, wherein the moving contact device is arranged between the isolating switch fixed contact and the grounding switch fixed contact and is controlled by an operating mechanism to be disconnected or connected with the isolating switch fixed contact and the grounding switch fixed contact. The metal-enclosed combined electric switch provided by the utility model overcomes the defects that the structures of the existing 77.5kV and 126kV metal-closed combined electric switches in the market are complex, the volume is great, the cost is high and the like, and has the advantages of simple structure, high reliability, low cost, attractive appearance and the like.
Description
Technical field
The utility model relates to a kind of metal enclosed combined electric appliance switch, and metal enclosed combined electric appliance three stations that especially relate to a kind of 77.5kV of being used for, 126kV are isolated, earthed switch.
Background technology
On the market, be used for the metal enclosed combined electric appliance switch of 77.5kV, 126kV now, generally need two operating mechanisms to finish the branch of isolating switch and earthed switch, closing operation; The interlocking of isolating switch and earthed switch is an electrical interlock; In case external cable or cable connect and interlocking electromagnet breaks down, then can cause the interlocking failure, cause serious accident; And metal enclosed combined electric appliance construction of switch complexity now, volume is big, and fault is many, the cost height.
Summary of the invention
Be used for the metal enclosed combined electric appliance construction of switch of 77.5kV, 126kV complexity, big, the high deficiency of cost of volume in the market for solving, the applicant improves and has invented a kind of metal enclosed combined electric appliance switch through further investigation; It has simple in structure, reliability height, advantage such as cost is low, and is aesthetic in appearance.
A kind of metal enclosed combined electric appliance switch of the present utility model, its technical scheme is: comprise a closed air chamber that is made of the isolating switch housing; In described air chamber, be provided with trigger device, static contact isolation switch, earthed switch fixed contact; Described trigger device is arranged between static contact isolation switch and the earthed switch fixed contact.
Wherein, also be provided with the moving contact of gear teeth bar in the described trigger device.
Wherein, also be provided with bonding conductor in described air chamber both sides; Described bonding conductor is connected with described trigger device, described static contact isolation switch respectively.
Wherein, the moving contact of described gear teeth bar is controlled by controlled rotating shaft; Described controlled rotating shaft is stretched out the isolating switch housing and is connected with operating mechanism.Described controlled rotating shaft is under the controlling of described operating mechanism, and the moving contact that can drive the gear teeth bar in the described trigger device moves along a straight line, with described static contact isolation switch or described earthed switch fixed contact opening and closing.
Wherein, in the described closed air chamber that constitutes by the isolating switch housing, also be provided with high speed grounding switch.
Wherein, described high speed grounding switch be arranged on described isolating switch housing a side and with the corresponding position of described static contact isolation switch.
Wherein, be provided with the earthed switch movable feeler lever in the described high speed grounding switch; Control lever shaft; The insulation connecting lever.
Wherein, described control lever shaft is controlled by the high speed grounding switch operating mechanism.
Wherein, described earthed switch movable feeler lever, described earthed switch fixed contact link to each other with earth terminal respectively.
Wherein, described high speed grounding switch operating mechanism drives described control lever shaft to drive described insulation connecting lever, and described earthed switch movable feeler lever is connect to motion of described static contact isolation switch direction and final and Mume flower contact.
Wherein, described static contact isolation switch, described Mume flower contact are connected with described earth terminal by described earthed switch movable feeler lever, finish ground connection.
By technique scheme, can constitute the core of a kind of metal enclosed combined electric appliance switch of the utility model.The utility model of constituting of technical scheme thus, its beneficial effect is: at first, simple in structure; Because of becoming, branch, the closing operation of its isolating switch that two operating mechanisms are finished and earthed switch be placed on the action of finishing by an operating mechanism in the closed air chamber; Next is the reliability height; Now on the market by two operating mechanisms controls and be provided with isolating switch and the chain this switch of earthed switch, easily break down; No matter which link goes wrong, and all will cause accident, causes heavy losses; Have again, simple in structure because of it, so be easy to processing and manufacturing, reduced cost; And external form compactness, attractive in appearance is easy to install, uses, keeps in repair.
Description of drawings
Fig. 1 is a kind of metal enclosed combined electric appliance switch junctions composition of the utility model.
Fig. 2 is a kind of metal enclosed combined electric appliance switch A-A cross sectional plan view of the utility model.
Fig. 3 is a kind of metal enclosed combined electric appliance switch movable contact device 2 partial enlarged drawings of the utility model.
Fig. 4 is that a kind of metal enclosed combined electric appliance switch isolation switch of the utility model closes a floodgate earthed switch separating brake, the working state structure figure of high speed grounding switch separating brake.
Fig. 5 is a kind of metal enclosed combined electric appliance switch isolation switch separating brake of the utility model, and earthed switch closes a floodgate, the working state structure figure that high speed grounding switch closes a floodgate.
Fig. 6 is a kind of metal enclosed combined electric appliance switching mechanism installation diagram of the utility model.
Embodiment
The operating state of a kind of metal enclosed combined electric appliance switch that the utility model is provided below in conjunction with accompanying drawing is described in detail:
A kind of metal enclosed combined electric appliance switch of the present utility model sees also Fig. 1; During initial condition, trigger device 2 between static contact isolation switch 3 and earthed switch fixed contact 4, promptly respectively with static contact isolation switch 3 and earthed switch fixed contact 4 on same axis, and with the two disconnection; Described air chamber 1 both sides also are provided with bonding conductor 6; 6 of described bonding conductors are connected with described trigger device 2, described static contact isolation switch 3 respectively; 6 of described bonding conductors are connected with three-phase electricity respectively; Described trigger device interior 2 is provided with the moving contact 5 of gear teeth bar, sees also Fig. 3; The moving contact 5 of described gear teeth bar is controlled by controlled rotating shaft 7; Described controlled rotating shaft 7 is stretched out isolating switch housing 8 and is connected with operating mechanism 9, sees also Fig. 2.
After operating mechanism 9 is received the order of isolating switch combined floodgate, see also Fig. 1, Fig. 2, Fig. 4; Operating mechanism 9 drives controlled rotating shaft 7 rotations, and the moving contact 5 that drives gear teeth bar in the trigger device 2 moves downward along straight line, moving contact 5 is inserted in the static contact isolation switches 3, thereby finish the combined floodgate of isolating switch; Otherwise, after operating mechanism 9 is received the order of isolating switch separating brake, operating mechanism 9 drives controlled rotating shaft 7 rotations, the moving contact 5 that drives gear teeth bar in the trigger device 2 moves upward along straight line, the moving contact 5 of gear teeth bar is separated with static contact isolation switch 3, thereby finish the separating brake of isolating switch; At this moment, the moving contact 5 of gear teeth bar returns to initial condition in the trigger device 2, bounces back in the trigger device 2, promptly between static contact isolation switch 3 and earthed switch fixed contact 4, keeps disconnecting with the two.
Equally, after operating mechanism 9 is received the order of earthed switch combined floodgate, see also Fig. 1, Fig. 2, Fig. 5; Operating mechanism 9 drives controlled rotating shaft 7 rotations, and the moving contact 5 that drives gear teeth bar in the trigger device 2 moves upward along straight line, and the moving contact 5 of gear teeth bar is inserted in the earthed switch fixed contacts 4; Because of earthed switch fixed contact 4 is connected with earth terminal 11; Like this, when finishing the earthed switch combined floodgate, and then finish ground connection; Otherwise, after operating mechanism 9 is received the order of earthed switch separating brake, operating mechanism 9 drives controlled rotating shaft 7 rotations, the moving contact 5 that drives gear teeth bar in the trigger device 2 moves downward along straight line, the moving contact 5 of gear teeth bar is separated with earthed switch fixed contact 4, thereby finish the separating brake of earthed switch; At this moment, the moving contact 5 of gear teeth bar returns to initial condition in the trigger device 2, bounces back in the trigger device 2, promptly between static contact isolation switch 3 and earthed switch fixed contact 4, keeps disconnecting with the two.
For realizing the ground connection of the other side of isolated port, the inventor also is provided with high speed grounding switch 10 in the closed air chamber 1 that isolating switch housing 8 constitutes; The course of work of high speed grounding switch 10 is as follows:
See also Fig. 1, Fig. 6, Fig. 4: during initial condition, the head of earthed switch movable feeler lever 12 is in gate-dividing state away from static contact isolation switch 3; After the earthed switch operating mechanism 15 of high speed grounding switch 10 is received the order of high speed grounding switch combined floodgate, the earthed switch operating mechanism 15 of high speed grounding switch 10 drives control lever shaft 13 rapidly to drive insulation connecting lever 14, make the direction motion of earthed switch movable feeler lever 12 to static contact isolation switch 3, and finally contact with Mume flower contact 16, static contact isolation switch 3, Mume flower contact 16 are connected with earth terminal 11 by earthed switch movable feeler lever 12, finish ground connection, see also Fig. 5; Otherwise, then realize the separating brake action of high speed grounding switch 10.
Be understandable that above execution mode only is the illustrative embodiments that adopts for principle of the present utility model is described, yet the utility model is not limited thereto; For those skilled in the art; all for reaching the purpose of this utility model; realize function of the present utility model; under the situation that does not break away from the utility model spirit and essence; can make various modification and improvement to each technical characterictics of technical solutions of the utility model and connected mode thereof etc.; these modification and improvement also are considered as content of the present utility model, belong to protection range of the present utility model.
Claims (10)
1. metal enclosed combined electric appliance switch, comprise a closed air chamber (1) that constitutes by isolating switch housing (8), it is characterized in that: in described air chamber (1), be provided with trigger device (2), static contact isolation switch (3), earthed switch fixed contact (4); Described trigger device (2) is arranged between static contact isolation switch (3) and the earthed switch fixed contact (4).
2. a kind of metal enclosed combined electric appliance switch as claimed in claim 1 is characterized in that being provided with in the described trigger device (2) moving contact (5) of gear teeth bar.
3. as described any one the metal enclosed combined electric appliance switch of claim 1-2, it is characterized in that also being provided with bonding conductor (6) in described air chamber (1) both sides; Described bonding conductor (6) is connected with described trigger device (2), described static contact isolation switch (3) respectively.
4. a kind of metal enclosed combined electric appliance switch as claimed in claim 2 is characterized in that the moving contact (5) of described gear teeth bar is controlled by controlled rotating shaft (7); Described controlled rotating shaft (7) is stretched out isolating switch housing (8) and is connected with operating mechanism (9); Described controlled rotating shaft (7) is under the controlling of described operating mechanism (9), and the moving contact (5) that drives the gear teeth bar in the described trigger device (2) moves along a straight line and described static contact isolation switch (3) or described earthed switch fixed contact (4) opening and closing.
5. as described any one the metal enclosed combined electric appliance switch of claim 1-2, it is characterized in that also being provided with high speed grounding switch (10) in the described closed air chamber (1) by isolating switch housing (8) formation.
6. a kind of metal enclosed combined electric appliance switch as claimed in claim 5, it is characterized in that described high speed grounding switch (10) be arranged on described isolating switch housing (8) a side and with the corresponding position of described static contact isolation switch (3).
7. a kind of metal enclosed combined electric appliance switch as claimed in claim 5 is characterized in that being provided with in the described high speed grounding switch (10) earthed switch movable feeler lever (12); Control lever shaft (13); Insulation connecting lever (14).
8. a kind of metal enclosed combined electric appliance switch as claimed in claim 7 is characterized in that described control lever shaft (13) controlled by earthed switch operating mechanism (15).
9. as claim 1 or 7 described any one metal enclosed combined electric appliance switches, it is characterized in that described earthed switch fixed contact (4), described earthed switch movable feeler lever (12) link to each other with earth terminal (11) respectively.
10. a kind of metal enclosed combined electric appliance switch as claimed in claim 8, it is characterized in that described earthed switch operating mechanism (15) drives described control lever shaft (13) to drive described insulation connecting lever (14), described earthed switch movable feeler lever (12) is also finally contacted with Mume flower contact (16) to the motion of described static contact isolation switch (3) direction; Described static contact isolation switch (3), described Mume flower contact (16) are connected with described earth terminal (11) by described earthed switch movable feeler lever (12), so far finish ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206969571U CN201910581U (en) | 2010-12-31 | 2010-12-31 | Metal-enclosed combined electric switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206969571U CN201910581U (en) | 2010-12-31 | 2010-12-31 | Metal-enclosed combined electric switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201910581U true CN201910581U (en) | 2011-07-27 |
Family
ID=44302780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206969571U Expired - Lifetime CN201910581U (en) | 2010-12-31 | 2010-12-31 | Metal-enclosed combined electric switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201910581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551849A (en) * | 2016-01-20 | 2016-05-04 | 博纳方格（天津）电气设备有限公司 | Isolated and connected combination switch |
-
2010
- 2010-12-31 CN CN2010206969571U patent/CN201910581U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551849A (en) * | 2016-01-20 | 2016-05-04 | 博纳方格（天津）电气设备有限公司 | Isolated and connected combination switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110727 |