CN109586202A - A kind of interior arcing pressure release collection device for preassembled transformer station - Google Patents
A kind of interior arcing pressure release collection device for preassembled transformer station Download PDFInfo
- Publication number
- CN109586202A CN109586202A CN201811520256.XA CN201811520256A CN109586202A CN 109586202 A CN109586202 A CN 109586202A CN 201811520256 A CN201811520256 A CN 201811520256A CN 109586202 A CN109586202 A CN 109586202A
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- China
- Prior art keywords
- pressure release
- release passage
- plate
- passage
- top pressure
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
A kind of interior arcing pressure release collection device for preassembled transformer station disclosed by the invention, the at least inflating switch cabinet that the preassembled transformer station includes at least prefabricated cabin and is mounted in the prefabricated cabin, it is characterized in that, the interior arcing pressure release collection device includes the pressure release web plate that the inflating switch cabinet cabinet top is arranged in, cover on the top pressure release passage on the pressure release web plate, draw pressure release passage in the side that top pressure release passage outlet end is set, outdoor pressure release passage at the top of one wing bulkhead of prefabricated cabin is set, the open air pressure release passage arrival end is docked with the outlet end that pressure release passage is drawn in the side.The present invention only optimizes cabinet top structure under the premise of not changing the gas tank and cabinet top structure of inflating switch cabinet, to realize a shared pressure release passage, is then connected with prefabricated cabin bulkhead, gas is arranged outside prefabricated cabin.
Description
Technical field
The present invention relates to electrical equipment technical field, in particular to a kind of interior arcing pressure release for preassembled transformer station is received
Acquisition means.
Background technique
Preassembled transformer station (hereinafter referred to as: prefabricated cabin) is a kind of configuration high-tension switch gear, distribution transformer and low pressure
Power distribution equipment is simultaneously lined up that integrated prefabrication is indoor, outdoor close-coupled controller switching equipment by certain connection plan, i.e., by transformer
The functions such as decompression, low-voltage distribution are organically combined, be mounted on one moisture-proof, antirust, dust-proof, protection against rodents, fire prevention, it is antitheft,
The advantages that heat-insulated, totally-enclosed, moveable steel-structure box, it has small in size, and land occupation is few, low cost, reliable.Especially suitable for
Urban network construction and upgradation is a kind of brand-new substation to emerge after civil engineering transformer station.
High-tension switch gear voltage class in prefabricated cabin gradually develops to 40.5kV from 12kV.Current 40.5kV air
The hands injured of insulation is wide: 1200 millimeters, high: 2600 millimeters, deep: 2800 millimeters, to be not suitable for being put in prefabricated cabin.
Relatively being suitble to be placed in prefabricated cabin at present is exactly 40.5kV gas-insulated fixed type inflatable switchgear.The type
Inflating switch cabinet is wide: 600 millimeters, high: 2400 millimeters, deep: 1600 millimeters.Since the height of prefabricated cabin is limited by transporting,
It is no more than 2700 millimeters placing in the prefabricated cabin after 40.5kV gas-insulated fixed type inflatable switchgear clear height, that is,
There are also 300 millimeters of space, current 40.5kV to prefabricated cabin top for the cabinet top of 40.5kV gas-insulated fixed type inflatable switchgear
The pressure relief opening of gas-insulated fixed type inflatable switchgear is arranged in cabinet top.
Inside 40.5kV gas-insulated fixed type inflatable switch cabinet air box and after internal arcing failure occurs for cable vault, electricity
The energy and expanding gas of arc are all arranged by the pressure relief opening of cabinet top at the top of prefabricated cabin.According to standard GB 3906-2006 equipment
The requirement of internal arcing, inflating switch cabinet cabinet top require to reach 800 millimeters away from prefabricated cabin top, but minimum at present only 300 millimeters
Space, be certain to cause certain destructiveness to having at the top of prefabricated cabin, to bring prefabricated cabin top structure certain damage
Wound, brings hidden danger to the personal safety of operator.In addition the gas that arcing generates there may be part toxic gas, work as behaviour
When making personnel's opening prefabricated cabin, toxic gas can bring biggish injury to operator, seriously affect operator's
The discharge work of personal safety, the above-mentioned insufficient gas generated to arcing brings biggish unfavorable factor.
Summary of the invention
Technical problem to be solved by the present invention lies in view of the above shortcomings of the prior art and provide it is a kind of design rationally,
Structure is simple, it is impaired at the top of prefabricated cabin to be not only able to prevent, and toxic gas can also be avoided to bring injury to operator,
The arcing pressure release collection device being used in preassembled transformer station having a safety feature.
The technical problems to be solved by the invention can be achieved through the following technical solutions:
A kind of interior arcing pressure release collection device for preassembled transformer station, the preassembled transformer station include at least prefabricated
Cabin and at least inflating switch cabinet being mounted in the prefabricated cabin, which is characterized in that the interior arcing pressure release collection device packet
Include the pressure release web plate of the inflating switch cabinet cabinet top is set, top pressure release passage on the pressure release web plate is covered on, setting exists
Pressure release passage is drawn in the side of top pressure release passage outlet end, the open air being arranged at the top of one wing bulkhead of prefabricated cabin is let out
Pressure passageway, the open air pressure release passage arrival end are docked with the outlet end that pressure release passage is drawn in the side.
In a preferred embodiment of the invention, the top pressure release passage is by a top pressure release passage top plate, a top
Portion's pressure release passage bottom plate, a top pressure release passage left plate, a top pressure release passage right side plate and a top passageway side seal board enclose
At the arranged on left and right sides side of the top pressure release passage top plate and the top pressure release passage left plate and top pressure release passage are right
Side plate upper limb is connected by fastener, and the arranged on left and right sides side of the top pressure release passage bottom plate and the top pressure release passage are left
Side plate is connected with top pressure release passage right side plate lower edge by fastener, the surrounding and top pressure release of the top passageway side seal board
Channel top plate, top pressure release passage bottom plate, top pressure release passage left plate, one end margin of top pressure release passage right side plate pass through tight
Firmware connection；Pressure release passage mouth is offered on the top pressure release passage bottom plate, is provided with energy on the pressure release passage mouth
The two pieces of pressure relief plates opened by gas pressure are reached, pass through rivet between two pieces of pressure relief plates.
In a preferred embodiment of the invention, the side draw pressure release passage include side draw fixed pressure release passage and
Side, which is drawn, adjusts pressure release passage, and the outlet end that the arrival end and the top pressure release passage of fixed pressure release passage are drawn in the side is solid
Fixed connection, the adjustable company in outlet end that the arrival end of adjusting pressure release passage is drawn in the side and fixed pressure release passage is drawn in the side
It connects.
In a preferred embodiment of the invention, each channel of the outlet end of fixed pressure release passage is drawn in the side
It is provided with bolt on wall, is provided with adjusting nut on the bolt, it is each in the arrival end that adjusting pressure release passage is drawn in the side
Start on conduit wall there are strip grooves, the bolt passes through corresponding strip grooves；It locks the nut and can fix the side and draw
Pressure release passage is adjusted out and the position fixed between pressure release passage is drawn in the side；The nut is unclamped, the side can be drawn
Pressure release passage is adjusted out and the side is drawn the position fixed between pressure release passage and is adjusted.
Due to using technical solution as above, the present invention is before the gas tank and cabinet top structure for not changing inflating switch cabinet
It puts, only cabinet top structure is optimized, to realize a shared pressure release passage, be then connected with prefabricated cabin bulkhead
It connects, gas is arranged outside prefabricated cabin.
Compared with prior art, it has the advantages that
1. cancelling cabinet top pressure release cover board, the design of a pressure release passage is installed additional, structure is simple, easy for installation；
2. protecting personal safety；
3. protecting the top of prefabricated cabin；
4. providing condition for centralized processing purification failure gas.
The present invention solves 40.5kV inflating switch cabinet cabinet top and only has 300 millimeters of insufficient space to lead to cabinet top to prefabricated cabin top
The problem of pressure release cover board is not opened, solving the problems, such as that arcing releases stress again cannot directly rush at the top of prefabricated cabin, in addition set
One modular collection channel of meter is connected with prefabricated cabin bulkhead, meets the requirement of different user.
Detailed description of the invention
Fig. 1 is that the present invention is equipped with switchgear rough package drawing in prefabricated cabin.
Fig. 2 is that the present invention is placed with switchgear rough package drawing in prefabricated cabin.
Fig. 3 is the structural schematic diagram of switchgear of the invention.
Fig. 4 is the structural schematic diagram of switch cabinet body of the invention.
Fig. 5 is the structural schematic diagram of top pressure release passage of the invention.
Fig. 6 is the decomposition diagram of top pressure release passage of the invention.
Fig. 7 is the structural schematic diagram that pressure release passage is drawn in side of the invention.
Fig. 8 is that schematic diagram is moved towards in the pressure release of existing inflating switch cabinet.
Fig. 9 is that schematic diagram is moved towards in the pressure release of inflating switch cabinet of the invention.
Figure 10 is that schematic diagram is moved towards in the pressure release of top pressure release passage of the invention and side extraction pressure release passage.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Referring to Fig. 1 to Fig. 4, a kind of interior arcing pressure release collection device for preassembled transformer station shown in figure, this is pre-
At least inflating switch cabinet that Zhuan Shi substation includes at least prefabricated cabin 100 and is mounted in prefabricated cabin 100.Inflating switch cabinet
Quantity can be arranged with specific reference to project, can be with a variety of cabinet type flexible combinations, arbitrary extension.The gas-filled switching tube of present embodiment
Cabinet is the end cabinet for one group of arrangement being made of 800mm wide switch cabinet 210 and 600mm wide switch cabinet 220, the end cabinet of the arrangement at one group
Equipped with side seal board 130.
Pressure release web plate 211,221 is equipped at the top of 800mm wide switch cabinet 210 and 600mm wide switch cabinet 220.When 800
When internal arcing failure occurs for the wide switch of wide switch cabinet 210 and 600 cabinet 220, which both can guarantee failure gas
Body passes through, and has prevented blocky splash from spraying.
Being additionally provided with width at the top of 800mm wide switch cabinet 210 and 600mm wide switch cabinet 220 is to let out at the top of 800mm
The top pressure release passage 320 that pressure passageway 310 and width are 600mm, width are that the top pressure release passage 310 of 800mm covers on pressure release
On web plate 211, width is that the top pressure release passage 320 of 600mm covers on pressure release web plate 221.
Referring to figs. 5 and 6, the top that the one end 311 for the top pressure release passage 310 that width is 800mm and width are 600mm
The other end 321 of pressure release passage 320 is together in series.Width is the other end of the top pressure release passage 310 of 800mm as entire top
The outlet end 312 of portion's pressure release passage, width are that the other end 322 of the top pressure release passage 310 of 600mm uses top passageway side seal
Plate 330 is closed.
In addition the top pressure release passage 320 that the top pressure release passage 310 and width that width is 800mm are 600mm is by one
313,323, one top pressure release passage bottom plate of top pressure release passage top plate, 314,324, one top pressure release passage left plate 315,
325, a top pressure release passage right side plate 316,326 surrounds, the arranged on left and right sides Bian Yuding of top pressure release passage top plate 313,323
Portion's pressure release passage left plate 315,325 is connected with top pressure release passage right side plate 316,326 upper limbs by fastener, top pressure release
The arranged on left and right sides side of channel base plate 314,324 and top pressure release passage left plate 315,325 and top pressure release passage right side plate
316,326 lower edges are connected by fastener.
The surrounding and top pressure release passage top plate 323, top pressure release passage bottom plate 324, top of top passageway side seal board 330
Pressure release passage left plate 325,322 edge of top 326 other end of pressure release passage right side plate are connected by fastener.
Pressure release passage mouth 314a, 324a are offered on top pressure release passage bottom plate 314,324, in pressure release passage mouth
Two pieces of pressure relief plates 314b, 314c, 324b, the 324c that can be opened by gas pressure, two pieces of pressure relief plates are provided on 314a, 324a
It is riveted between 314b, 314c, 324b, 324c by rivet 340.
Referring to Fig. 7, it includes that fixed pressure release passage 410 and side extraction are drawn in side that pressure release passage 400 is drawn in side shown in figure
Pressure release passage 420 is adjusted, the outlet end 312 of arrival end 411 and top pressure release passage that fixed pressure release passage 410 is drawn in side is fixed
Connection, the arrival end 421 for adjusting pressure release passage 420 is drawn in side and the outlet end 412 of the fixed pressure release passage 410 of side extraction is adjustable
Connection.
In this embodiment, the arrival end 421 for adjusting pressure release passage 420 is drawn in side and extraction fixed pressure release in side is logical
The adjustable connection in the outlet end 412 in road 410 is realized in the following way:
Bolt 430, bolt 430 are provided on each conduit wall that the outlet end 412 of fixed pressure release passage 410 is drawn in side
On be provided with adjusting nut 440, draw in side and start on each conduit wall of arrival end 421 for adjusting pressure release passage 420 to there is length
Bar groove 450, bolt 430 pass through corresponding strip grooves 450；Locking nut 440 can affixed side draw adjust pressure release passage 420 with
Draw the position between fixed pressure release passage 410 in side；Unclamp nut 440, can opposite side draw adjust pressure release passage 420 draw with side
The position fixed between pressure release passage 410 out is adjusted.In this way in 800mm wide switch cabinet 210 and 600mm wide switch cabinet 220
In prefabricated cabin 100 it is in place after, side can be passed through and draw the installation for adjusting pressure release passage 420 adjustment and the bulkhead 110 of prefabricated cabin 100
Distance, matching degree are high.
Outdoor pressure release passage 120, outdoor 120 entrance of pressure release passage are provided on 100 1 wing bulkhead of prefabricated cabin, 110 top
The outlet end 422 for drawing pressure release passage 420 with side is held to dock.
Referring to Fig. 8, when internal arcing failure occurs, cable vault 510 and lower gas tank in existing inflating switch cabinet 500 every
Room 520 is to channel 530 is to 540 pressure release of cabinet top after cabinet and after cabinet, and upper gas tank compartment 550 is directly to 540 direction pressure release of cabinet top.This
The drawbacks of pressure release mode is: 1) to guarantee enough pressure release spaces, the cabinet top 540 of inflating switch cabinet 500 is away from switchgear house or case
The distance of change cannot be less than 800mm；2) failure gas direct emission indoors, can cause prestige to the personal safety of operator
The side of body.This mode will cause adverse effect for equipment and personnel safety.
The present invention can preferably solve the above problems.Referring to Fig. 9 and Figure 10, when internal arcing failure occurs, 800mm wide
The failure gas of cable vault 212,222 and lower gas tank compartment 213,223 in switchgear 210 and 600mm wide switch cabinet 220 is to cabinet
After discharge, and cabinet top 215,225 is guided in channel 214,224 into after cabinet；Upper gas tank compartment 216,226 is directly to cabinet top 215,225
Direction pressure release；Then failure gas via 220 cabinet top 215,225 of 800mm wide switch cabinet 210 and 600mm wide switch cabinet pressure release
It is converged in the top pressure release passage 320 that web plate 211,221 is 600mm to the top pressure release passage 310 and width that width is 800mm
Collection, unified (or right side, according to project actual demand) to the left are drawn 400 row of pressure release passage to outdoor by side, are convenient for
The unified of failure gas is collected and is handled.
Present invention is particularly suitable for prefabricated cabin schemes: being limited by transport, clear height H is no more than in usual prefabricated cabin 100
2700mm, and inflating switch cabinet 210, a height of 2400mm of 220 cabinets, i.e. cabinet top cabinet top 215,225 and 100 apex distance of prefabricated cabin are about from D
For 300mm.Improved pressure release passage design height is not more than 250mm, sufficiently meets mounting condition.Draw pressure release passage 3 in side
Adjustable with 4 distance L of prefabricated cabin bulkhead, matching degree is high, is convenient for engineering construction.
In conclusion the gas that the present invention can be such that arcing generates is focused on, it can satisfy the need of different user
It asks, it is impaired to adopt the structure the cable for being not only able to prevent to be laid in cable duct, and toxic gas can also be avoided to behaviour
Make the injury of personnel's bring, simultaneously effective improves the security performance of inflating switch cabinet.
Claims (4)
1. a kind of interior arcing pressure release collection device for preassembled transformer station, the preassembled transformer station includes at least prefabricated cabin
With at least inflating switch cabinet being mounted in the prefabricated cabin, which is characterized in that the interior arcing pressure release collection device includes
The pressure release web plate of the inflating switch cabinet cabinet top is set, top pressure release passage on the pressure release web plate is covered on, is arranged in institute
Draw pressure release passage, the outdoor pressure release being arranged at the top of one wing bulkhead of prefabricated cabin in the side for stating top pressure release passage outlet end
Channel, the open air pressure release passage arrival end are docked with the outlet end that pressure release passage is drawn in the side.
2. a kind of interior arcing pressure release collection device for preassembled transformer station as described in claim 1, which is characterized in that institute
Top pressure release passage is stated by a top pressure release passage top plate, a top pressure release passage bottom plate, a top pressure release passage left plate, one
Top pressure release passage right side plate and a top passageway side seal board surround, the arranged on left and right sides side of the top pressure release passage top plate with
The top pressure release passage left plate is connected with top pressure release passage right side plate upper limb by fastener, the top pressure release passage
The arranged on left and right sides side of bottom plate and the top pressure release passage left plate and top pressure release passage right side plate lower edge are connected by fastener
It connects, the surrounding and top pressure release passage top plate of the top passageway side seal board, top pressure release passage bottom plate, top pressure release passage are left
Side plate, one end margin of top pressure release passage right side plate are connected by fastener；It is offered on the top pressure release passage bottom plate
Pressure release passage mouth is provided with the two pieces of pressure relief plates that can be opened by gas pressure, two pieces of pressure relief plates on the pressure release passage mouth
Between pass through rivet.
3. a kind of interior arcing pressure release collection device for preassembled transformer station as described in claim 1, which is characterized in that institute
Stating side and drawing pressure release passage includes that fixed pressure release passage and side extraction adjusting pressure release passage are drawn in side, and fixed pressure release is drawn in the side
The arrival end in channel is fixedly connected with the outlet end of the top pressure release passage, and the arrival end for adjusting pressure release passage is drawn in the side
The adjustable connection in outlet end for drawing fixed pressure release passage with the side.
4. a kind of interior arcing pressure release collection device for preassembled transformer station as claimed in claim 3, which is characterized in that
The side draws and is provided with bolt on each conduit wall for fixing the outlet end of pressure release passage, and adjusting spiral shell is provided on the bolt
Mother draws in the side and starts on each conduit wall of arrival end for adjusting pressure release passage to there is a strip grooves, and the bolt passes through pair
The strip grooves answered；The side extraction adjusting pressure release passage and the fixed pressure release passage of side extraction can be fixed by locking the nut
Between position；The nut is unclamped, the side can be drawn and adjust pressure release passage and the fixed pressure release passage of side extraction
Between position be adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520256.XA CN109586202B (en) | 2018-12-12 | 2018-12-12 | Internal combustion arc pressure relief collecting device for prefabricated substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520256.XA CN109586202B (en) | 2018-12-12 | 2018-12-12 | Internal combustion arc pressure relief collecting device for prefabricated substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109586202A true CN109586202A (en) | 2019-04-05 |
| CN109586202B CN109586202B (en) | 2020-10-23 |
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ID=65929491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811520256.XA Active CN109586202B (en) | 2018-12-12 | 2018-12-12 | Internal combustion arc pressure relief collecting device for prefabricated substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109586202B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601122A (en) * | 2019-09-30 | 2019-12-20 | 上海置信电气非晶有限公司 | Cable trench for prefabricated substation |
| CN110943393A (en) * | 2019-11-29 | 2020-03-31 | 河南平高通用电气有限公司 | Gas insulation looped netowrk cabinet |
| CN112398038A (en) * | 2020-10-27 | 2021-02-23 | 许继电气股份有限公司 | Prefabricated cabin pressure release system |
| CN112803292A (en) * | 2020-12-30 | 2021-05-14 | 青岛益和电气集团股份有限公司 | Pressure relief channel for switch cabinet and switch cabinet system |
| CN115347487A (en) * | 2021-05-12 | 2022-11-15 | 西门子能源国际公司 | Combined type underframe flue, medium-pressure equipment and high-pressure equipment |
| CN117833087A (en) * | 2024-01-09 | 2024-04-05 | 山东万海电气科技有限公司 | Prefabricated cabin transformer substation with pressure relief system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601122A (en) * | 2019-09-30 | 2019-12-20 | 上海置信电气非晶有限公司 | Cable trench for prefabricated substation |
| CN110943393A (en) * | 2019-11-29 | 2020-03-31 | 河南平高通用电气有限公司 | Gas insulation looped netowrk cabinet |
| CN112398038A (en) * | 2020-10-27 | 2021-02-23 | 许继电气股份有限公司 | Prefabricated cabin pressure release system |
| CN112803292A (en) * | 2020-12-30 | 2021-05-14 | 青岛益和电气集团股份有限公司 | Pressure relief channel for switch cabinet and switch cabinet system |
| CN115347487A (en) * | 2021-05-12 | 2022-11-15 | 西门子能源国际公司 | Combined type underframe flue, medium-pressure equipment and high-pressure equipment |
| CN117833087A (en) * | 2024-01-09 | 2024-04-05 | 山东万海电气科技有限公司 | Prefabricated cabin transformer substation with pressure relief system |
| CN117833087B (en) * | 2024-01-09 | 2024-06-04 | 山东万海电气科技有限公司 | Prefabricated cabin transformer substation with pressure relief system |
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| Publication number | Publication date |
|---|---|
| CN109586202B (en) | 2020-10-23 |
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