CN205123104U - Gas insulation switch cabinet - Google Patents
Gas insulation switch cabinet Download PDFInfo
- Publication number
- CN205123104U CN205123104U CN201520617203.5U CN201520617203U CN205123104U CN 205123104 U CN205123104 U CN 205123104U CN 201520617203 U CN201520617203 U CN 201520617203U CN 205123104 U CN205123104 U CN 205123104U
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- contact
- conductor
- gas insulation
- switch cabinet
- insulation switch
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Abstract
The utility model relates to a more reliable gas insulation switch cabinet of electrical safety performance. This kind of gas insulation switch cabinet is including a bus -bar room, a circuit breaker room and a cable chamber of connecting gradually. The circuit breaker room with still be connected with an isolator between the cable chamber. Isolator includes: a casing, a conductor, a conducting rod, a static contact and a moving contact. The conductor is located in the casing, quiet contact connection is to the conductor. The one end of conducting rod is connected to the conductor, and its other end is connected the circuit breaker room. Move contact connection to a movable contact headstock, and can with the static contact cooperation is rotated to switch between an isolated location and a closed position. Through setting up an isolator between circuit breaker room and cable chamber, can be when subordinate such as recovery cable room equipment, ensure maintenance personal's the person and equipment safety.
Description
Technical field
The utility model relates to switch cubicle field, particularly relates to gas insulation switch cabinet.
Background technology
Switch cubicle is the visual plant in electric power system, is widely used for the various occasions comprising power plant, transformer station, industrial and mining enterprises and residential quarters and railway.Gas insulation switch cabinet is the general designation of a series of switch cubicles comprising incoming line cabinet, outgoing line cabinet, lifting cabinet, mother cabinet etc., and wherein often kind of cupboard correspond to certain function.Incoming line cabinet and outgoing line cabinet are used for introducing or deriving electric energy, and generally include bus-bar room, breaker chamber and cable vault.Bus-bar room comprises an isolation earthing switch, breaker chamber comprises a vacuum circuit-breaker, and cable vault comprises a cable socket.Lifting cabinet is in the bus of differing heights for connecting.Mother cabinet is for connecting two highly identical buses.In addition, when overhauling switch cubicle, first must disconnect vacuum circuit-breaker, then disconnecting isolating switch and to close again earthed switch.If do not operated in order, then the life security of entail dangers to attendant, therefore switch cubicle is also designed with interlocking device usually.
Utility model content
The purpose of this utility model is to provide a kind of electrical safety performance more reliable gas insulation switch cabinet.This gas insulation switch cabinet comprises the bus-bar room connected successively, a breaker chamber and a cable vault.An isolating switch is also connected with between described breaker chamber and described cable vault.Described isolating switch comprises: a housing, a conductor, contact rod, a fixed contact and a moving contact.Conductor is positioned at described housing, and fixed contact is connected on conductor.One end of contact rod is connected to conductor, and its other end connects described breaker chamber.Moving contact is connected to a movable contact block, and can coordinate with described fixed contact and rotate, to switch between an isolated location and a make position.By arranging an isolating switch between breaker chamber and cable vault, when need repairing the subordinate equipments such as cable vault time, effectively can cut off the feeder line major loop of subordinate to guarantee the person and the device security of maintenance personal.
According to another aspect of the present utility model, also have a contact rod connector, described contact rod is connected to described conductor by described contact rod connector, so that realize the assembly connection between contact rod and conductor.
According to one side more of the present utility model, described movable contact block is fixed to an insulating flange, and the edge part of described insulating flange connects the opening below described housing.
According to another aspect of the present utility model, described housing comprises first capping and second capping that the direction along vertical described contact rod is oppositely arranged, and one of them first supporting insulator to be arranged in described first capping and fixing described conductor.
According to another aspect of the present utility model, described first supporting insulator fixes an end of described conductor by first supporting bracket, described contact rod connector is fixed to described first supporting bracket by second supporting bracket, to realize the location of conductor further.
According to another aspect of the present utility model, also comprise the second supporting insulator that is connected to described housing, described second supporting insulator is fixed to the other end of described conductor, to make the connection of conductor more firm.
According to another aspect of the present utility model, described second capping has a pressure relief device, is beneficial to switch cubicle runs safely and reliably by safety relief.
According to another aspect of the present utility model, described fixed contact is positioned at the below of described conductor, and described contact rod connector is positioned at the top of described conductor.
According to another aspect of the present utility model, also comprise a current transformer, mounting panel covers the opening above described housing, and the part described contact rod being stretched into described housing is sealed in described housing, described current transformer is arranged between described mounting panel and described breaker chamber, described contact rod is arranged in described current transformer, so that the size of electric current in measuring circuit.
According to another aspect of the present utility model, the inwall of described housing is electrically connected with a grounding contact, described moving contact also can coordinate with described grounding contact further and rotates, with an isolated location, switch between a make position and an earthing position, thus the isolation of feeder line major loop, closed and earthing effect can be realized simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of gas insulation switch cabinet of the present utility model;
Fig. 2 is the partial schematic diagram of gas insulation switch cabinet of the present utility model, and it mainly shows the concrete structure of isolating switch.
Label declaration
Bus-bar room A
Breaker chamber B
Cable vault C
Isolating switch 1
Moving contact 3
Contact rod 4
Current transformer 5
Housing 11
Insulating flange 12
Movable contact block 121
Connection seat 123
Grounding contact 13
First capping 14
Second capping 15
Conductor 21
Fixed contact 23
Contact rod connector 24
First supporting insulator 25
First supporting bracket 26
Second supporting bracket 27
Second supporting insulator 29
Pressure relief device 30
Connection shell 51
Embodiment
In order to the technical characteristic to utility model, object and effect have understanding clearly, now contrast accompanying drawing and embodiment of the present utility model is described, label identical in the various figures represents identical part.
For making simplified form, only schematically show the part relevant to the utility model in each figure, they do not represent its practical structures as product.In addition, be convenient to make simplified form understand, there are the parts of same structure or function in some figure, only schematically depict one of them, or only marked one of them.
In this article, " on ", D score, "front", "rear", "left", "right" etc. only for representing the position relationship between relevant portion, and their absolute position non-limiting.
In this article, " first ", " second " etc. only for differentiation each other, but not represent they significance level and order etc.
In this article, the restriction in the mathematics of " parallel ", " vertically " etc. non-critical and/or geometry meaning, also comprise it will be appreciated by those skilled in the art that and manufacture or error that use etc. allows.
As Fig. 1, show according to gas insulation switch cabinet of the present utility model.This gas insulation switch cabinet comprises: the bus-bar room A connected successively, a breaker chamber B and cable vault C.It is worthy of note, this gas insulation switch cabinet also comprises an isolating switch 1 further.This isolating switch 1 is connected between breaker chamber B and cable vault C, thus when subordinate equipments such as recovery cable rooms, by this isolating switch 1 disjunction subordinate circuit, repair apparatus and charging equipment can be disconnected, to guarantee the electrical safety of the person and equipment.
Composition graphs 2, specifically, isolating switch 1 comprises a housing 11, conductor 21, contact rod 4, fixed contact 23 and a moving contact 3.Conductor 21 is positioned at housing 11.Fixed contact 23 is connected on conductor 21.One end of contact rod 4 is connected to conductor 21, and the other end of contact rod 4 is connected to breaker chamber B.
By the restriction of structure, in order to strengthen the convenience assembled between contact rod and conductor, isolating switch 1 of the present utility model also has a contact rod connector 24.Such contact rod 4 can be connected to conductor 21 by contact rod connector 24, thus can realize the connection between contact rod and conductor more conveniently.Preferably, fixed contact 23 is positioned at the below of conductor 21, and contact rod connector 24 is positioned at the top of conductor 21.
In order to strengthen the steadiness that moving contact connects, moving contact 3 is connected to a movable contact block 121.Movable contact block 121 is fixed to an insulating flange 12.Preferably, movable contact block 121 is fixed to insulating flange 12 by a connection seat 123.The edge part of insulating flange 12 connects the opening below housing 11.Moving contact 3 can rotate relative to fixed contact 23, to switch between an isolated location and a make position, thus realizes the isolation on the main telegram in reply road of feeder line and closes, to ensure the fail safe of maintenance operation.
Preferably, housing 11 also comprises first capping 14 and second capping 15.First capping 14 and the second capping 15 are oppositely arranged along the direction of vertical conduction rod 4.First supporting insulator 25 to be arranged in the first capping 14 and fixed conductor 21, thus can realize the location of conductor 21 preferably.In order to realize the stability connected further, the first supporting insulator 25 is by an end of first supporting bracket 26 fixed conductor 21.Contact rod connector 24 is fixed to the first supporting bracket 26 by second supporting bracket 27.Meanwhile, gas insulation switch cabinet also comprises second supporting insulator 29, and this second supporting insulator 29 is connected to housing 11, and the second supporting insulator 29 is fixed to the other end of conductor 21, to make the connection of conductor 21 more firm.
In order to ensure the person and device security further, the second capping 15 has a pressure relief device 30, is beneficial to the safety relief of housing 11 inside, thus can ensure switch cubicle reliability of operation.
For the ease of the size of electric current in measuring circuit, gas insulation switch cabinet also comprises a current transformer 5.Preferably, the opening above mounting panel 16 covering shell 11, and part contact rod 4 being stretched into housing 11 is sealed in housing 11.Current transformer 5 is arranged between mounting panel 16 and breaker chamber B.More particularly, be also provided with a connection shell 51 between mounting panel 16 and breaker chamber B, current transformer 5 is set in the outer surface of connection shell 51, and contact rod 4 is arranged in current transformer 5 simultaneously.
Preferably, in order to realize the effect of further safety ground, the inwall of housing 11 is electrically connected with a grounding contact 13.Moving contact 3 can rotate relative to fixed contact 23 and grounding contact 13, with an isolated location, switch between a make position and an earthing position, thus realizes the isolation of feeder line major loop, closed and ground connection, to ensure the reliability of maintenance operation.
When gas insulation switch cabinet of the present utility model needs repairing the subordinate equipments such as cable vault, first the circuit breaker in breaker chamber B is switched to gate-dividing state, then isolating switch 1 switched to isolated location thus cut off subordinate's feeder line major loop, then isolating switch 1 is switched to earthing position and can realizes safety ground.In sum, the reliability of maintenance operation can be guaranteed according to gas insulation switch cabinet of the present utility model, and effectively ensure that the life security of maintenance personal.
In this article, " schematically " expression " serves as example, example or explanation ", not should by being described to any diagram of " schematically " in this article, execution mode is interpreted as a kind of preferred or have more the technical scheme of advantage.
Be to be understood that, although this specification describes according to each execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, technical scheme in each execution mode also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility execution mode of the present utility model; they are also not used to limit protection range of the present utility model, all do not depart from the utility model skill equivalent implementations of doing of spirit or change all should be included within protection range of the present utility model.
Claims (10)
1. gas insulation switch cabinet, comprise the bus-bar room (A) connected successively, a breaker chamber (B) and a cable vault (C), it is characterized in that, also comprise an isolating switch (1) be connected between described breaker chamber (B) and described cable vault (C), described isolating switch (1) comprising:
A housing (11);
A conductor (21), is positioned at described housing (11), and is connected with a fixed contact (23),
A contact rod (4), its one end is connected to described conductor (21), and the other end connects described breaker chamber (B); And
A moving contact (3), it is connected to a movable contact block (121), and can coordinate with described fixed contact (23) and rotate, to switch between an isolated location and a make position.
2. gas insulation switch cabinet as claimed in claim 1, it is characterized in that, also have a contact rod connector (24), described contact rod (4) is connected to described conductor (21) by described contact rod connector (24).
3. gas insulation switch cabinet as claimed in claim 1, it is characterized in that, described movable contact block (121) is fixed to an insulating flange (12), and the edge part of described insulating flange (12) connects the opening of described housing (11) below.
4. gas insulation switch cabinet as claimed in claim 2, it is characterized in that, described housing (11) comprises first capping (14) and second capping (15) that the direction along vertical described contact rod (4) is oppositely arranged, and one of them first supporting insulator (25) is arranged at described first capping (14) and goes up and fix described conductor (21).
5. gas insulation switch cabinet as claimed in claim 4, it is characterized in that, described first supporting insulator (25) is by an end of the fixing described conductor (21) of first supporting bracket (26), and described contact rod connector (24) is fixed to described first supporting bracket (26) by second supporting bracket (27).
6. gas insulation switch cabinet as claimed in claim 1, it is characterized in that, also comprise the second supporting insulator (29) that is connected to described housing (11), described second supporting insulator (29) is fixed to the other end of described conductor (21).
7. gas insulation switch cabinet as claimed in claim 4, it is characterized in that, described second capping (15) has a pressure relief device (30).
8. gas insulation switch cabinet as claimed in claim 2, it is characterized in that, described fixed contact (23) is positioned at the below of described conductor (21), and described contact rod connector (24) is positioned at the top of described conductor (21).
9. gas insulation switch cabinet as claimed in claim 1, it is characterized in that, also comprise a current transformer (5), a mounting panel (16) covers the opening of described housing (11) top, and the part described contact rod (4) being stretched into described housing (11) is sealed in described housing (11), described current transformer (5) is arranged between described mounting panel (16) and described breaker chamber (B), and described contact rod (4) is arranged in described current transformer (5).
10. gas insulation switch cabinet as claimed in claim 1, it is characterized in that, the inwall of described housing (11) is electrically connected with a grounding contact (13), described moving contact (3) also can coordinate with described grounding contact (13) further and rotates, with an isolated location, switch between a make position and an earthing position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520617203.5U CN205123104U (en) | 2015-08-14 | 2015-08-14 | Gas insulation switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520617203.5U CN205123104U (en) | 2015-08-14 | 2015-08-14 | Gas insulation switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205123104U true CN205123104U (en) | 2016-03-30 |
Family
ID=55578680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520617203.5U Active CN205123104U (en) | 2015-08-14 | 2015-08-14 | Gas insulation switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205123104U (en) |
-
2015
- 2015-08-14 CN CN201520617203.5U patent/CN205123104U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |