CN206353669U - Air insulation switch cubicle - Google Patents
Air insulation switch cubicle Download PDFInfo
- Publication number
- CN206353669U CN206353669U CN201621282461.3U CN201621282461U CN206353669U CN 206353669 U CN206353669 U CN 206353669U CN 201621282461 U CN201621282461 U CN 201621282461U CN 206353669 U CN206353669 U CN 206353669U
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- CN
- China
- Prior art keywords
- circuit breaker
- insulated switchgear
- contact
- assembly
- cabinet
- 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.)
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Links
- 238000009413 insulation Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000003028 elevating effect Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000005431 greenhouse gas Substances 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 6
- 229910018503 SF6 Inorganic materials 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000005684 electric field Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses a kind of air insulation switch cubicle, wherein the air insulation switch cubicle, including cabinet, the main bus-bar component being arranged in cabinet and the breaker assembly being arranged in cabinet, and main bus-bar component is located above breaker assembly；Breaker assembly includes breaker, elevating mechanism；Breaker is arranged at elevating mechanism；Breaker assembly is set for pull-out type；Elevating mechanism drives rising or falling for breaker, to be connected or disconnect with main bus-bar component.The space-consuming of technical solutions of the utility model reduction switch cubicle, reduce influence of the greenhouse gases to environment, while lowering production cost.
Description
Technical Field
The utility model relates to a cubical switchboard technical field, in particular to air insulation switch cabinet.
Background
SF6The (sulfur hexafluoride) gas is widely used in the field of gas insulated switchgear because of its good insulating properties and excellent arc extinguishing properties. But SF6Is also a greenhouse gas, and from the environmental protection point of view, the use of SF or the like is reduced or avoided as much as possible6Gas because of SF6The gas insulated switch cabinet inevitably has leakage and discharge in the processes of inflation, operation and gas recovery, seriously pollutes air, and simultaneously has SF6The gas insulated switch cabinet occupies a large space; in addition, a solid insulation switch cabinet adopting epoxy resin and vacuum arc-extinguishing ceramic is adopted, but the switch cabinet has extremely high requirements on the manufacturing process and higher production cost.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing an air insulation switch cabinet aims at reducing the occupation space of cubical switchboard, reduces greenhouse gas to influence, the while reduction in production cost of environment.
In order to achieve the purpose, the utility model provides an air insulation switch cabinet, which comprises a cabinet body, a main bus assembly arranged in the cabinet body and a breaker assembly arranged in the cabinet body, wherein the main bus assembly is positioned above the breaker assembly; the circuit breaker assembly comprises a circuit breaker and a lifting mechanism, and the circuit breaker is arranged on the lifting mechanism;
the circuit breaker assembly is arranged in the cabinet in a drawout mode; the lifting mechanism drives the circuit breaker to ascend or descend and is connected with or disconnected from the main bus assembly.
Preferably, the circuit breaker assembly further comprises a first branch bus with one end connected to the circuit breaker, the air-insulated switchgear further comprises a contact seat arranged on the inner side wall of the cabinet body, and a contact is arranged on the contact seat; the contact seat is positioned above the first branch bus bar,
when the lifting mechanism drives the circuit breaker to ascend or descend, the first branch bus is driven to ascend or descend at the same time, and the other end of the first branch bus is connected with or disconnected from the contact.
Preferably, the improved cabinet further comprises a shielding device arranged on the inner side wall of the cabinet body, a cavity is formed in the shielding device, and the contact seat is fixedly arranged in the cavity.
Preferably, the shielding device is a shielding cylinder, and the shielding cylinder is a capacitive type insulating structure.
Preferably, when the air-insulated switchgear is an outgoing line cabinet, the air-insulated switchgear further comprises an insulated support rod and a ground rod, one end of the insulated support rod is abutted against the first branch bus, and the other end of the insulated support rod is connected with the ground rod;
when the breaker assembly ascends, the first branch bus is linked with the insulating support rod to ascend, so that the grounding rod is separated from the contact;
when the circuit breaker assembly descends, the insulating support rod descends along with the circuit breaker assembly, and the grounding rod is connected with the contact.
Preferably, the insulating support rod penetrates through the contact seat.
Preferably, when the air-insulated switchgear is an incoming line cabinet, the air-insulated switchgear further comprises a second branch bus, contacts are arranged on two sides of the contact seat, and the second branch bus is connected with the adjacent contacts.
Preferably, the air-insulated switchgear comprises an arrester, and the arrester is electrically connected with the contact block.
Preferably, the circuit breaker assembly further comprises an operating mechanism, and the operating mechanism is in transmission connection with the lifting mechanism.
Preferably, the main bus bar assembly comprises an insulating strut, a contact and a main bus bar, one end of the insulating strut is fixedly arranged on the cabinet body, the other end of the insulating strut is connected with the contact, and the contact is further connected with the main bus bar.
The utility model discloses technical scheme forms an air insulated switchgear through setting up the cabinet body, being located the internal main bus assembly of cabinet and being located the internal circuit breaker assembly of cabinet. The circuit breaker assembly is arranged in a draw-out mode, and the whole circuit breaker assembly can be drawn out from the side wall direction of the cabinet body. When the breaker assembly breaks down, the breaker assembly can be directly pulled out for maintenance, and can also be directly pushed in from the side wall direction during installation; the circuit breaker subassembly includes circuit breaker, elevating system, the circuit breaker sets up in elevating system, and wherein, main bus assembly is located circuit breaker subassembly top, elevating system drives the rising or the decline of circuit breaker to be connected or break off with main bus assembly, realize the switch-on and the disconnection of transmission of electricity major loop. Therefore, the cabinet body does not need too large operation space, the occupied space of the air insulation switch cabinet is reduced on the whole, and the production cost and the hardware cost are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a right side perspective view of an embodiment of the air insulated switchgear of the present invention;
fig. 2 is a right side perspective view of another embodiment of the air insulated switchgear of the present invention;
the reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Main bus bar assembly | 300 | Machine cabinet |
| 11 | Circuit breaker | 30a | First branch bus |
| 12 | Insulating support | 40 | Insulating support rod |
| 13 | Wall bushing | 50 | Cable with a protective layer |
| 14 | Contact terminal | 60 | Contact seat |
| 200 | Circuit breaker assembly | 61 | Contact terminal |
| 21 | Circuit breaker | 70 | Shielding device |
| 211 | Pole post | 80 | Grounding rod |
| 22 | Operating mechanism | 90 | Lightning arrester |
| 23 | Lifting mechanism | 30b | Second branch bus |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an air insulation switch cabinet.
Referring to fig. 1 and 2, in the embodiment of the present invention, the air-insulated switchgear includes a cabinet 300, a main bus bar assembly 100 disposed in the cabinet 300, and a circuit breaker assembly 200 disposed in the cabinet 300, wherein the main bus bar assembly 100 is located above the circuit breaker assembly 200; the circuit breaker assembly 200 comprises a circuit breaker 21 and a lifting mechanism 23; the breaker 21 is arranged on the lifting mechanism 23;
wherein the circuit breaker assembly 200 is drawably disposed in the cabinet 300; the lifting mechanism 23 moves the circuit breaker 21 up or down to connect or disconnect with the main bus bar assembly 100.
In this embodiment, the cabinet 300 of the air-insulated switchgear is substantially rectangular, wherein the main bus bar assembly 100 is located at the top of the cabinet 300, and the circuit breaker assembly 200 is correspondingly located right below the main bus bar assembly 100.
The circuit breaker assembly 200 includes a circuit breaker 21 and a lifting mechanism 23, in this embodiment, the circuit breaker 21 is fixed above the lifting mechanism 23 by screws, and the lifting mechanism 23 is lifted or lowered to drive the circuit breaker 21 to move in the vertical direction.
In this embodiment, the air-insulated switchgear is used for ac power distribution, and the circuit breaker 21 in the circuit breaker assembly 200 is an ac circuit breaker 21. The circuit breaker 21 includes three poles for interfacing with the main bus bar assembly 100, and the main bus bar assembly 100 is provided with contacts 14 for interfacing with the poles.
The utility model discloses technical scheme has formed an air insulated switchgear through setting up the cabinet body 300, being located the main bus assembly 100 of the cabinet body 300 and being located the circuit breaker subassembly 200 of the cabinet body 300. The circuit breaker assembly 200 is in a drawout type arrangement, and the whole circuit breaker assembly 200 can be drawn out from the direction of the side wall of the cabinet 300. When the breaker assembly 200 breaks down, the breaker assembly 200 can be directly pulled out for maintenance, and the breaker assembly 200 can also be directly pushed in from the side wall direction during installation; the circuit breaker assembly 200 comprises a circuit breaker 21 and a lifting mechanism 23; the circuit breaker 21 is arranged on the lifting mechanism 23, wherein the main bus bar assembly 100 is positioned above the circuit breaker assembly 200; the lifting mechanism 23 drives the circuit breaker 21 to ascend or descend so as to be connected with or disconnected from the main bus bar assembly 100, and connection and disconnection of a power transmission main loop are achieved. Therefore, the cabinet body 300 does not need too large operation space, and the air-insulated switchgear cabinet reduces the occupied space as a whole and reduces the production cost and the hardware cost.
Specifically, the circuit breaker assembly 200 further includes a first branch bus 30a having one end connected to the circuit breaker 21, the air-insulated switchgear further includes a contact seat 60 disposed on an inner side wall of the cabinet 300, and a contact 61 is disposed on the contact seat 60 (in this embodiment, the contact 61 is the same as the contact 14); the contact block 60 is positioned above the first branch bus bar 30a, wherein,
when the lifting mechanism 23 drives the circuit breaker 21 to ascend or descend, the first branch bus 30a is driven to ascend or descend at the same time, and the other end of the first branch bus 30a is connected with or disconnected from the contact 61.
It should be noted that the first branch bus 30a includes an a-phase bus bar, a B-phase bus bar, and a C-phase bus bar, and one end of the first branch bus 30a is connected to the three poles 211 respectively and locked by screws. It is easy to understand that, the corresponding contact seat 60 is provided with three contacts which are connected with the phase a busbar, the phase B busbar and the phase C busbar at the other end of the first branch busbar 30a in an opposite insertion manner. The contact block 60 is also connected to a cable 50 for the input or output of alternating current.
Further, the air-insulated switchgear includes a shielding device 70 disposed on an inner side wall of the cabinet 300, the shielding device 70 is formed with a cavity (not labeled), and the contact seat 60 is fixedly disposed in the cavity.
In this embodiment, the shielding device 70 is a shielding cylinder, and the shielding cylinder is a capacitive insulating structure. The shielding cylinder can optimize electric field distribution and prevent the discharge of the charged object tips.
The air-insulated switch cabinet comprises the following two embodiments:
in a first embodiment, referring to fig. 1, fig. 1 is a right side view of an outgoing line cabinet, when the air-insulated switchgear is the outgoing line cabinet, the air-insulated switchgear includes an insulated support rod 40 and a ground rod 80, one end of the insulated support rod 40 abuts against a first branch bus 30a, and the other end of the insulated support rod 40 is connected to the ground rod 80; the insulating support rod 40 and the ground rod 80 are at least partially accommodated in the shielding device 70. Wherein,
when the circuit breaker assembly 200 is lifted, the first branch bus bar 30a pushes the insulating support rod 40 to lift, so that the grounding rod 80 is separated from the contact 61;
when the circuit breaker assembly 200 is lowered, the insulating support rod 40 is lowered, so that the ground rod 80 is connected to the contact 61.
The ground rod 80 is connected to the ground line through a movable structure, so that the junction supporting bar 40 and the ground rod 80 can be lowered by its own weight when the circuit breaker 21 is lowered.
In this embodiment, the contact block 60 is disposed in the middle of the shielding cylinder, the contact block 60 is provided with a via hole, and the insulating support rod 40 penetrates through the contact block 60.
In a second embodiment, referring to fig. 2, fig. 1 is a right side view of the incoming line cabinet, when the air-insulated switchgear is the incoming line cabinet, the air-insulated switchgear includes a second branch bus 30b, and contacts are disposed on two sides of the contact seat 60; wherein the second branch bus bar 30b is connected with a contact facing the top of the cabinet 300.
It should be noted that the incoming cabinet is not generally used for grounding the circuit breaker 21, and therefore, the basic difference between the incoming cabinet and the outgoing cabinet is whether grounding is provided or not.
Further, the air-insulated switchgear includes an arrester electrically connected to the contact block 60. The lightning arrester is used for preventing the air-insulated switch cabinet from being damaged due to the fact that the lightning strikes the air-insulated switch cabinet.
Further, the circuit breaker assembly 200 includes an operating mechanism 22, and the operating mechanism 22 is in transmission connection with the lifting mechanism 23. An operator controls the operating mechanism 22 manually, and the operating mechanism 22 drives the lifting mechanism 23 to ascend or descend through a gear, a chain and other mechanisms.
Specifically, the main bus bar assembly 100 includes an insulating pillar 11, a contact 14, and a main bus bar 13, where one end of the insulating pillar 11 is fixedly disposed at the top of the cabinet 300, the other end of the insulating pillar 11 is connected to the contact 14, and the contact 14 is further connected to the main bus bar 13.
The cabinet is also provided with a round hole for the bus bar to pass through. The circular hole is embedded with a wall bushing 12.
The breaker 21 in the switch cabinet adopts an integral extraction lifting structure. The circuit breaker 21 is in standardized configuration, and the breaking performance and the comprehensive protection performance of the air-insulated switch cabinet are improved, so that the intelligent level of the switch cabinet is improved. The circuit breaker 21 is horizontally arranged in a side-mounted structure, so that the floor area and the height of the whole switch cabinet reach the optimal size. The breaker 21 is plugged with the first branch bus 30a and the second branch bus 30b by adopting contacts, and when the breaker 21 breaks down, the whole breaker is pulled out. The first branch bus 30a is separated from the shielding cylinder, and has an obvious breakpoint with a larger distance, so that the function of the isolating switch is realized.
The static contact block 60 in the shielding cylinder is connected with the circuit breaker 21 in a contact plugging mode. The shielding cylinder is arranged at the rear side of the air-insulated switchgear. The main bus assembly 100 is arranged on the upper portion of the switch cabinet, so that the connection between the main bus and each cabinet body 300 is convenient for the first branch bus 30a, the second branch bus 30b and the shielding cylinder to be of a capacitance type full insulation structure, the electric field distribution is optimized, the switch cabinet is more compact, and the space of the switch cabinet is greatly saved.
The working principle of the air-insulated switchgear is now explained with reference to fig. 1 and 2:
referring to fig. 1, there is a right side view of the outlet scheme of the extraction and lifting air insulated switchgear with the main bus bars on top of the switchgear. The contacts 14 are mounted on the insulating support 11 and are connected to the main bus bar. The first branch bus bar 30a is mounted at one end on the circuit breaker 21. The circuit breaker 21 is pushed into the switchgear cabinet to the position in the figure (test position). The interlocking device of the lifting mechanism 23 is shaken to push the circuit breaker 21 to rise, the contact of the circuit breaker 21 is inserted into the contact 14, meanwhile, the first branch bus 30a synchronously rises to push the insulating support rod 40 to rise, so that the grounding rod 80 is separated from the contact seat 60 in the shielding cylinder, the first branch bus 30a is inserted into the contact seat 60 in the shielding cylinder, and the system is electrified and conducted.
Referring to fig. 2, there is a right side view of the draw-in scheme of the pull-out lift air insulated switchgear with the main bus bar on top of the switchgear. The contacts are mounted on the insulating posts 11 and are connected to the main bus bars. The first branch bus bar 30a is mounted at one end on the circuit breaker 21. The first branch busbar 30a is inserted into the contact block 60 in the shielding shell. The circuit breaker 21 is pushed into the switchgear cabinet to the position in the figure (test position). The interlocking device of the lifting mechanism 23 is swung to push the breaker 21 to rise, the first branch bus 30a of the breaker 21 is inserted into the contact 61, and the system is electrified and conducted.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. An air insulation switch cabinet is characterized by comprising a cabinet body, a main bus assembly and a breaker assembly, wherein the main bus assembly is arranged in the cabinet body; the circuit breaker assembly comprises a circuit breaker and a lifting mechanism, and the circuit breaker is arranged on the lifting mechanism;
the circuit breaker assembly is arranged in the cabinet in a drawout mode; the lifting mechanism drives the circuit breaker to ascend or descend and is connected with or disconnected from the main bus assembly.
2. The air insulated switchgear of claim 1 wherein the circuit breaker assembly further comprises a first branch bus connected at one end to the circuit breaker, the air insulated switchgear further comprising a contact block disposed on an inner sidewall of the cabinet body, the contact block having contacts thereon; the contact seat is positioned above the first branch bus bar,
when the lifting mechanism drives the circuit breaker to ascend or descend, the first branch bus is driven to ascend or descend at the same time, and the other end of the first branch bus is connected with or disconnected from the contact.
3. The air insulated switchgear of claim 2, further comprising a shielding device disposed on an inner sidewall of the cabinet body, wherein the shielding device forms a cavity, and the contact block is fixedly disposed in the cavity.
4. The air insulated switchgear of claim 3 wherein the shielding device is a shielding canister, the shielding canister being a capacitive insulation structure.
5. The air insulated switchgear of claim 2, wherein when the air insulated switchgear is an outgoing line cabinet, the air insulated switchgear further comprises an insulated support rod and a ground rod, one end of the insulated support rod abuts against the first branch bus, and the other end of the insulated support rod is connected with the ground rod;
when the breaker assembly ascends, the first branch bus is linked with the insulating support rod to ascend, so that the grounding rod is separated from the contact;
when the circuit breaker assembly descends, the insulating support rod descends along with the circuit breaker assembly, and the grounding rod is connected with the contact.
6. The air insulated switchgear of claim 5 wherein said insulated support rod extends through said contact block.
7. The air insulated switchgear of claim 2, wherein when the air insulated switchgear is a line inlet switchgear, the air insulated switchgear further comprises a second branch bus bar, wherein contacts are disposed on both sides of the contact block, and the second branch bus bar is connected to adjacent contacts.
8. The air insulated switchgear of any of claims 2-7, wherein the air insulated switchgear includes a surge arrester, the surge arrester being electrically connected to the contact block.
9. The air insulated switchgear of claim 1 wherein the circuit breaker assembly further comprises an actuator, the actuator drivingly connected to the elevator mechanism.
10. The air insulated switchgear of claim 1 wherein the main bus bar assembly comprises an insulating pillar, a contact and a main bus bar, wherein one end of the insulating pillar is fixedly disposed on the cabinet body, the other end of the insulating pillar is connected to the contact, and the contact is further connected to the main bus bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621282461.3U CN206353669U (en) | 2016-11-25 | 2016-11-25 | Air insulation switch cubicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621282461.3U CN206353669U (en) | 2016-11-25 | 2016-11-25 | Air insulation switch cubicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206353669U true CN206353669U (en) | 2017-07-25 |
Family
ID=59346307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621282461.3U Active CN206353669U (en) | 2016-11-25 | 2016-11-25 | Air insulation switch cubicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206353669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106486914A (en) * | 2016-11-25 | 2017-03-08 | 天津沃尔法电力设备有限公司 | Air insulation switch cubicle |
-
2016
- 2016-11-25 CN CN201621282461.3U patent/CN206353669U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106486914A (en) * | 2016-11-25 | 2017-03-08 | 天津沃尔法电力设备有限公司 | Air insulation switch cubicle |
| CN106486914B (en) * | 2016-11-25 | 2018-07-27 | 天津沃尔法电力设备有限公司 | Air insulation switchgear |
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