CN109524913A - Switchgear and its cabinet body - Google Patents
Switchgear and its cabinet body Download PDFInfo
- Publication number
- CN109524913A CN109524913A CN201811565447.8A CN201811565447A CN109524913A CN 109524913 A CN109524913 A CN 109524913A CN 201811565447 A CN201811565447 A CN 201811565447A CN 109524913 A CN109524913 A CN 109524913A
- Authority
- CN
- China
- Prior art keywords
- flow
- spoiler
- cabinet body
- guiding
- arcing
- 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.)
- Granted
Links
- 230000006837 decompression Effects 0.000 claims abstract description 52
- 238000011144 upstream manufacturing Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 2
- 239000002737 fuel gas Substances 0.000 claims 1
- 239000004677 Nylon Substances 0.000 description 6
- 229920001778 nylon Polymers 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004880 explosion Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
-
- 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
- H02B13/045—Details of casing, e.g. gas tightness
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The present invention relates to a kind of switchgear and its cabinet bodies.Switchgear includes cabinet body and switchgear, pressure release passage is equipped in cabinet body, cabinet body is equipped with the pressure relief opening being connected to pressure release passage, and decompression cover is equipped at pressure relief opening, is equipped with the spoiler for consuming arcing flowed energy for changing arcing airflow direction in the pressure release passage.Slow down the speed of arcing air-flow during arcing airflow-reversing, to reduce impact of the arcing air-flow to decompression cover, reduces damage of the arcing air-flow to the equipment near switchgear.
Description
Technical field
The present invention relates to a kind of switchgear and its cabinet bodies.
Background technique
35KV gas-insulated metal enclosed switchgear cabinet is indispensable special equipment in distribution system, is widely used in sending out
The industries such as power plant, petroleum, metallurgy are used as power transformation, distribution.Traditional switchgear is when equipment failure is short-circuit, short circuit
The impact of arcing can cause explosion in switchgear, and the arcing air-flow and sundries of generation can injure the work people on switchgear periphery
Member.
Authorization Notice No. is that the Chinese utility model patent of CN201927930U discloses a kind of pressure relief device, pressure release dress
It sets including top plate (i.e. decompression cover) and limiting device, pressure relief opening is equipped at the top of cabinet body, top plate bedding is at pressure relief opening, and top plate
Front is fixed on along the top forward position for being fixed on cabinet body by several hinges, the back edge of top plate by several nylon bolts
The top rear position of cabinet body, limiting device are fixed on the top of cabinet body and are located at the preceding edge of top plate.It should be filled with pressure release
The switchgear set causes the intracorporal pressure of its cabinet to increase at work, if switchgear breaks down, and the intensity of nylon bolt is lower
And can be deteriorated, thus make top plate around hinge swing and open, under the restriction of limiting device, pressure to cabinet body it is oblique after
Direction release, the arcing air-flow being discharged by short-circuit arcing will not injure staff.
But the arcing air-flow at pressure relief opening it is excessive when, the outer discharge of the sundries that arcing air-flow carries is more and the height that releases
Quick burning arc air-flow still can damage the equipment near switchgear.
Summary of the invention
The purpose of the present invention is to provide a kind of switch cabinet bodies, at the pressure relief opening to solve switchgear in the prior art
Arcing air-flow it is excessive when damage switchgear near equipment the problem of；The present invention also provides a kind of switchgears, existing to solve
There is the cabinet body of the switchgear in technology to occur damaging the equipment near switchgear when the air-flow of short-circuit explosion time pressure relief opening out is excessive
The problem of.
In order to solve the above-mentioned technical problem, the technical solution of switchgear of the invention are as follows:
Switchgear, including cabinet body and setting are equipped with pressure release passage in the intracorporal switchgear of cabinet, cabinet body, and cabinet body is equipped with and lets out
The pressure relief opening of pressure passageway connection is equipped with decompression cover at pressure relief opening, is equipped in the pressure release passage for changing arcing airflow direction
To consume the spoiler of arcing flowed energy.
The beneficial effect of the technical solution is: spoiler is equipped in pressure release passage, for changing arcing airflow direction,
Slow down the speed of arcing air-flow during arcing airflow-reversing, to reduce impact of the arcing air-flow to decompression cover, reduces
Damage of the arcing air-flow to the equipment near switchgear.
At least two spoilers are the spaced apart guiding spoiler of extending direction along pressure release passage, guiding spoiler tool
There is the guiding flow-disturbing face for guiding airflow-reversing towards arcing air-flow, defines the section in pressure release passage at guiding spoiler place
For the face XY in XYZ three-coordinate, the circulating direction of arcing air-flow is Z-direction, and guiding flow-disturbing face is backwards to Z-direction, extremely along Z-direction arrangement
Guiding flow-disturbing face on few a pair of of guiding spoiler meets: the guiding flow-disturbing face on the guiding spoiler in upstream is in Z-direction
Gradually to X to inclination to guide commutation to arcing air-flow, the guiding flow-disturbing face on the guiding spoiler in downstream is in Z-direction
On gradually backwards to X to inclination with to by upstream guiding spoiler on guiding flow-disturbing face commutate arcing air-flow carry out again
Secondary guidance commutation.The guiding flow-disturbing face of two spoilers of upstream and downstream can commutate at least twice to arcing air-flow, into one
Step reduces the speed of arcing air-flow.
The guiding spoiler is fixed on the side wall of cabinet body compartment, and the guiding flow-disturbing face is gradually inclined to Y-direction in Z-direction
Tiltedly.Guiding flow-disturbing face and side wall form angle in Z-direction and to the upstream obliques of arcing air-flow, can prevent guiding flow-disturbing face from becoming
It fails after shape.
Multiple flowing holes that the guiding spoiler includes plate body and is arranged on plate body, further include being arranged at flowing hole
Flow deflector, side of the spoiler towards Z-direction is arranged in flow deflector, and flow deflector forms the guiding flow-disturbing backwards to the wall surface of Z-direction
Face.Spoiler plate body can stop arcing air-flow backwards to the plate face of Z-direction, further slow down the speed of arcing air-flow, together
When stop the sundries that carries in arcing air-flow, reduce the energy of arcing air-flow.
The decompression cover is hinged on the top of cabinet body, has the guide face for being oriented to arcing air-flow, institute on decompression cover
Guide face is stated when decompression cover is opened towards the rear side of cabinet body, spoiler is fixed in the front side sidewall of pressure release passage.Spoiler
The impact force that can reduce the one end of arcing air-flow hingedly on the cabinet for decompression cover, protects decompression cover.
The spoiler is in the projected area on the circulating direction of arcing air-flow less than cutting at the pressure release passage where it
Face area.Impact of the arcing air-flow to spoiler is reduced, prevents spoiler from damaging.
The technical solution of switch cabinet body of the invention are as follows:
Switch cabinet body, cabinet body is interior to be equipped with pressure release passage, and cabinet body is equipped with the pressure relief opening being connected to pressure release passage, sets at pressure relief opening
There is decompression cover, is equipped with the spoiler for consuming arcing flowed energy for changing arcing airflow direction in the pressure release passage.
The beneficial effect of the technical solution is: spoiler is equipped in pressure release passage, for changing arcing airflow direction,
Slow down the speed of arcing air-flow during arcing airflow-reversing, to reduce impact of the arcing air-flow to decompression cover, reduces
Damage of the arcing air-flow to the equipment near switchgear.
At least two spoilers are the spaced apart guiding spoiler of extending direction along pressure release passage, guiding spoiler tool
There is the guiding flow-disturbing face for guiding airflow-reversing towards arcing air-flow, defines the section in pressure release passage at guiding spoiler place
For the face XY in XYZ three-coordinate, the circulating direction of arcing air-flow is Z-direction, and guiding flow-disturbing face is backwards to Z-direction, extremely along Z-direction arrangement
Guiding flow-disturbing face on few a pair of of guiding spoiler meets: the guiding flow-disturbing face on the guiding spoiler in upstream is in Z-direction
Gradually to X to inclination to guide commutation to arcing air-flow, the guiding flow-disturbing face on the guiding spoiler in downstream is in Z-direction
On gradually backwards to X to inclination with to by upstream guiding spoiler on guiding flow-disturbing face commutate arcing air-flow carry out again
Secondary guidance commutation.The guiding flow-disturbing face of two spoilers of upstream and downstream can commutate at least twice to arcing air-flow, into one
Step reduces the speed of arcing air-flow.
The guiding spoiler is fixed on the side wall of cabinet body compartment, and the guiding flow-disturbing face is gradually inclined to Y-direction in Z-direction
Tiltedly.Guiding flow-disturbing face and side wall form angle in Z-direction and to the upstream obliques of arcing air-flow, can prevent guiding flow-disturbing face from becoming
It fails after shape.
Multiple flowing holes that the guiding spoiler includes plate body and is arranged on plate body, further include being arranged at flowing hole
Flow deflector, side of the spoiler towards Z-direction is arranged in flow deflector, and flow deflector forms the guiding flow-disturbing backwards to the wall surface of Z-direction
Face.Spoiler plate body can stop arcing air-flow backwards to the plate face of Z-direction, further slow down the speed of arcing air-flow, together
When stop the sundries that carries in arcing air-flow, reduce the energy of arcing air-flow.
The decompression cover is hinged on the top of cabinet body, has the guide face for being oriented to arcing air-flow, institute on decompression cover
Guide face is stated when decompression cover is opened towards the rear side of cabinet body, spoiler is fixed in the front side sidewall of pressure release passage.Spoiler
The impact force that can reduce the one end of arcing air-flow hingedly on the cabinet for decompression cover, protects decompression cover.
The spoiler is in the projected area on the circulating direction of arcing air-flow less than cutting at the pressure release passage where it
Face area.Impact of the arcing air-flow to spoiler is reduced, prevents spoiler from damaging.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment 1 of switchgear of the invention；
Fig. 2 is the structural schematic diagram at the pressure relief opening at the top of the switchgear of Fig. 1；
Fig. 3 is the structural schematic diagram of the orientation hinge of the switchgear of Fig. 1；
The left view for the orientation hinge that Fig. 4 is Fig. 3；
Fig. 5 is the structural schematic diagram of the first spoiler of the switchgear of Fig. 1；
Fig. 6 is the bottom view of the first spoiler of Fig. 5；
Fig. 7 is the left view of the first spoiler of Fig. 6；
Fig. 8 is the structural schematic diagram of the second spoiler of the switchgear of Fig. 1；
Fig. 9 is the bottom view of the second spoiler of Fig. 8；
Figure 10 is the right view of the second spoiler of Fig. 9.
It is respectively marked in figure: 1. cabinet bodies；11. breaker chamber；12. control room；13. bus-bar room；14. cable vault；2. pressure release is logical
Road；3. pressure relief opening；4. decompression cover；41. the first decompression cover；42. the second decompression cover；5. orienting hinge；51. hinged shaft；52. hinge sleeve；
53. convex block；6. spoiler；61. the first spoiler；62. the second spoiler；63. plate body；64. flowing hole；65. flow deflector；7. touching
Head cartridge；8. casing；9. earthing.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The embodiment 1 of switchgear of the invention, as shown in Figures 1 to 10, the switchgear include cabinet body 1 and are arranged in cabinet body
Switchgear in 1, cabinet body 1 is interior to be formed with compartment by partition, and compartment includes breaker chamber 11, control room 12, bus-bar room 13
With cable vault 14, breaker chamber 11 is interior to be equipped with contact box 7, is equipped with the casing 8 being set in outside busbar, cable vault 14 in bus-bar room 13
It is interior to be equipped with earthing 9 and grounding switch operating device.
As shown in Figures 1 and 2, the right for defining cabinet body 1 be X in XYZ three-coordinate to the front of, cabinet body 1 be Y-direction,
The top of cabinet body 1 is Z-direction.It is formed in switchgear between breaker chamber 11, bus-bar room 13 and the side wall of cable vault 14 and short circuit occurs
Arcing and explosion time are used for the pressure release passage 2 of pressure release air-flow, and arcing air-flow circulates along Z-direction.The top of cabinet body 1 offers and lets out
The pressure relief opening 3 that pressure passageway 2 is connected to is hinged with decompression cover 4 by orienting hinge 5 at pressure relief opening 3, and it is fixed that the front side of decompression cover 4 passes through
To hinge 5 and the top of cabinet body 1, hinged, rear side is fixedly connected by nylon screw with cabinet body 1, and the inner wall of decompression cover 4 is formed
Guide face for being oriented to arcing air-flow.
As shown in Fig. 1, Fig. 6 and Fig. 7, orientation hinge 5 includes the hinged shaft 51 fixed with cabinet body 1 and is set on hinged shaft 51
The fixed hinge sleeve 52 with decompression cover 4, the cross section of hinge sleeve 52 are rectangular configuration.Have on hinged shaft 51 when hinge sleeve 52 rotates and cuts with scissors
The convex block 53 of 52 blocks cooperation, convex block 53 and the circumferential block of hinge sleeve 52 are covered to limit the rotational angle of hinge sleeve 52, are let out to limit
The rotational angle of gland 4.The maximum rotation angle of hinge sleeve 52 is 50 degree, and decompression cover 4 is pressed from both sides when opening with the maximum of 1 top surface of cabinet body
Angle is 50 degree, to make the inner wall of decompression cover 4 towards the rear side of cabinet body 1.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, decompression cover 4 includes the first pressure release that the top of bus-bar room 13 is arranged in
Lid 41 and the second decompression cover 42 that cable vault 14 with the top of breaker chamber 11 are set, the first decompression cover 41 and the second decompression cover
42 limit rotational angle by orientation hinge 5.
As shown in Figure 1, cabinet body 1 is fixed with three in being respectively separated on the side wall of cable vault 14 and breaker chamber 11 along Z-direction
A spoiler 6, spoiler 6 are fixed on the side wall of the front side of cable vault 14 and breaker chamber 11, to reduce arcing air-flow pair
It is hinged on the impact force of one end on cabinet body 1 in decompression cover 4, decompression cover 4 is protected.Perspective plane of the spoiler 6 in Z-direction
Product is less than the area of section at the pressure release passage 2 where it, it is possible to reduce impact of the arcing air-flow to spoiler 6 prevents flow-disturbing
Plate 6 damages；In other embodiments, projected area of the spoiler 6 in Z-direction can also be equal to its where pressure release passage 2 at
Area of section, but need to open up more flowing hole on spoiler at this time.Spoiler 6 gradually inclines to Y-direction in Z-direction
Tiltedly, spoiler 6 and side wall form angle in Z-direction and to the upstream obliques of arcing air-flow, and spoiler 6 can be prevented by arcing
It fails after gas shock deformation.Spoiler with flow deflector is to be oriented to spoiler, and in other embodiments, deflector setting is multiple
When, the spoiler of flow deflector can be provided without on other side walls, naturally it is also possible in the top of the guiding spoiler at top
It is provided without the spoiler of flow deflector.
As shown in Fig. 8, Fig. 9, Figure 10, spoiler 6 includes plate body 63, and plate body 63 is located in X/Y plane, and plate body 63 is equipped with
Spaced apart multiple flowing holes 64 in X direction, flowing hole 64 are the long hole extended along Y-direction, on plate body 63 at flowing hole 64
Equipped with flow deflector 65, flow deflector 65 is located at the side towards Z-direction of plate body 63, and the wall surface backwards to Z-direction of flow deflector 65, which is formed, to be used
In the guiding flow-disturbing face of guidance airflow-reversing, guiding flow-disturbing guides commutation in face of arcing air-flow, to slow down arcing air-flow
Speed.Plate body 63 can stop arcing air-flow backwards to the plate face of Z-direction, further slow down the speed of arcing air-flow, simultaneously
Stop the sundries carried in arcing air-flow, reduces the energy of arcing air-flow.
Three spoilers 6 on the side wall of cable vault 14 and breaker chamber 11 include the first spoiler 61 positioned at both ends
Be located in the middle the second spoiler 62, the flow deflector 65 of the first spoiler 61 is in Z-direction gradually to X to inclination, the second flow-disturbing
The flow deflector 65 of plate 62 in Z-direction gradually backwards to X to inclination, when arcing air-flow is flowed through out of pressure release passage 2, successively by the
The flow deflector 65 of one spoiler 61, the second spoiler 62 and the first spoiler 61, three spoilers 6 carries out three times arcing air-flow
Guidance commutation, slows down the speed and energy of arcing air-flow, to slow down arcing air-flow pair during arcing airflow-reversing
The impact of decompression cover 4 reduces damage of the arcing air-flow to the equipment near switchgear；In other embodiments, three flow-disturbings
First spoiler 61 can also be arranged in centre, the second spoiler 62 is arranged in both ends in plate 6；Spoiler 6 can also have two
A, two spoilers 6 are respectively the first spoiler 61 and the second spoiler 62；Spoiler 6 can also there are four, five etc. it is more
Quantity, at least one first spoiler 61 and second spoiler 62 in spoiler 6.
Switchgear of the invention when in use, is caused if the switchgear appearance in cabinet body 1 is short-circuit by short-circuit arcing
Explosion, passes through spoiler 6 when arcing air-flow circulates in pressure release passage 2, a part of arcing air-flow successively passes through the first spoiler
61, the second spoiler 62, flowing hole 64 and flow deflector 65 on the first spoiler 61, flow deflector 65 carry out three to arcing air-flow
Secondary guidance commutation, slows down the speed and energy of the part arcing air-flow, while another part arcing air-flow and arcing air-flow
In subsidiary sundries deflecting can be stopped by the plate body 63 of spoiler 6, to reduce the speed and energy of the part arcing air-flow, fire
Arc air-flow slows down to the speed that the pressure relief opening 3 of pressure release passage 2 discharges, and reduces the impact to decompression cover 4；Arcing gas after slowing down
When stream impact is to decompression cover 4, the intensity of the nylon screw of the rear side of decompression cover 4 is minimum and is broken at first, and the on bus-bar room 13
One decompression cover 41 is rushed to open and rotates around orientation hinge 5, and when turning to 50 degree, orientation hinge 5 turns to maximum angle, and first
Decompression cover 41 stops operating, and arcing air-flow flows to the rear side of switchgear, while cable vault along the inner wall of the first decompression cover 41
14 and breaker chamber 11 the second decompression cover 42 be rushed to open and around orientation hinge 5 rotate, when turning to 50 degree, orient hinge
5 turn to maximum angle, while the second decompression cover 42 also stops operating, and arcing air-flow is flowed along the inner wall of the second decompression cover 42
To the rear side of switchgear, damage of the arcing air-flow to the equipment near switchgear is reduced.In other embodiments, naturally it is also possible to
In hinged place, setting block limits the angle of decompression cover；Decompression cover can be fixed on pressure relief opening by nylon screw and go out, arcing gas
After stream is gone out, nylon screw is disconnected.
The embodiment 2 of switchgear of the invention, the difference from embodiment 1 is that: flow-disturbing face is oriented in embodiment 1 with flow-disturbing
Plate is tilted to Y-direction, and in the present embodiment, spoiler can be horizontally disposed, can also tilt upwards.
The embodiment 3 of switchgear of the invention, the difference from embodiment 1 is that: the front side of decompression cover and cabinet in embodiment 1
Body is hinged, and spoiler is fixed in the front side sidewall of pressure release passage, and in the present embodiment, the front side of decompression cover and cabinet body are hinged,
Spoiler is fixed in the rear side sidewall of pressure release passage.
The embodiment 4 of switchgear of the invention, the difference from embodiment 1 is that: spoiler is equipped with overcurrent in embodiment 1
Hole, the wall surface backwards to Z-direction of the flow deflector at flowing hole, which forms guiding flow-disturbing face, also can be omitted overcurrent in the present embodiment
Hole and flow deflector, the wall surface backwards to Z-direction of spoiler form guiding flow-disturbing face.
The embodiment 5 of switchgear of the invention, the difference from embodiment 1 is that: decompression cover is arranged in cabinet body in embodiment 1
Top, in the present embodiment, under the premise of decompression cover intensity is met the requirements, the left and right sides in cabinet body is can be set in spoiler
On wall.
The embodiment 6 of switchgear of the invention, the difference from embodiment 1 is that: spoiler is equipped with multiple in embodiment 1
Spaced apart flowing hole, in the present embodiment, spoiler may be the annular slab perpendicular to side wall, the centre bore of annular slab
Form flowing hole.
The embodiment 7 of switchgear of the invention, the difference from embodiment 1 is that: in the present embodiment, do not have on spoiler
It is oriented to flow-disturbing face, faces gas flow-disturbing only by airflow-resistive, spoiler can be set one at this time, two or more,
Due to not having water conservancy diversion, the spoiler at top is limited to the effect of air-flow flow-disturbing, therefore spoiler quantity is not easy excessively.
The cabinet of switchgear in the embodiment of switch cabinet body of the invention, specific structure and above-mentioned any embodiment
The specific structure of body is identical, and details are not described herein again.
Claims (7)
1. switch cabinet body, it is equipped with pressure release passage in cabinet body, cabinet body is equipped with the pressure relief opening being connected to pressure release passage, at pressure relief opening
Equipped with decompression cover, it is characterised in that: be equipped in the pressure release passage for changing arcing airflow direction to consume arcing air-flow energy
The spoiler of amount.
2. switch cabinet body according to claim 1, it is characterised in that: at least two spoilers are prolonging along pressure release passage
The spaced apart guiding spoiler in direction is stretched, guiding spoiler has the guiding flow-disturbing that airflow-reversing is guided towards arcing air-flow
Face, defining the section in pressure release passage at guiding spoiler place is the face XY in XYZ three-coordinate, the circulation side of arcing air-flow
To flow-disturbing face for Z-direction, is oriented to backwards to Z-direction, the guiding flow-disturbing face at least a pair of of guiding spoiler of Z-direction arrangement meets: place
In the guiding flow-disturbing face on the guiding spoiler of upstream gradually to X to inclination to guide commutation to arcing air-flow in Z-direction,
It is gradually led in Z-direction backwards to X to inclination with being in upstream to process in guiding flow-disturbing face on guiding spoiler in downstream
The arcing air-flow that the commutation of flow-disturbing face is oriented to on spoiler carries out guidance commutation again.
3. switch cabinet body according to claim 2, it is characterised in that: the guiding spoiler is fixed on cabinet body compartment
On side wall, the guiding flow-disturbing face is gradually tilted to Y-direction in Z-direction.
4. switch cabinet body according to claim 2 or 3, it is characterised in that: the guiding spoiler includes plate body and sets
Multiple flowing holes on plate body are set, further include the flow deflector being arranged at flowing hole, flow deflector setting is in spoiler towards Z-direction
Side, flow deflector forms the guiding flow-disturbing face backwards to the wall surface of Z-direction, has on plate body and fuel gas flow is stopped to change its direction
Airflow-resistive face.
5. switch cabinet body according to claim 1-3, it is characterised in that: the decompression cover is hinged on cabinet body
Top has the guide face for be oriented to arcing air-flow on decompression cover, and the guide face is when decompression cover unlatching towards cabinet body
Rear side, spoiler is fixed in the front side sidewall of pressure release passage.
6. switch cabinet body according to claim 1-3, it is characterised in that: the spoiler is in arcing air-flow
The projected area of circulating direction is less than the area of section at the pressure release passage where it.
7. switchgear, including cabinet body and setting are in the intracorporal electrical equipment of cabinet, it is characterised in that: the cabinet body is claim 1-
Switch cabinet body described in 6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811565447.8A CN109524913B (en) | 2018-12-20 | 2018-12-20 | Switch cabinet and cabinet body thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811565447.8A CN109524913B (en) | 2018-12-20 | 2018-12-20 | Switch cabinet and cabinet body thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109524913A true CN109524913A (en) | 2019-03-26 |
| CN109524913B CN109524913B (en) | 2020-08-14 |
Family
ID=65796965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811565447.8A Active CN109524913B (en) | 2018-12-20 | 2018-12-20 | Switch cabinet and cabinet body thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109524913B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224329A (en) * | 2019-07-15 | 2019-09-10 | 广东佰林电气设备厂有限公司 | A kind of switchgear with closed guard mechanism |
| CN113644576A (en) * | 2021-09-01 | 2021-11-12 | 广东中盛纳科技有限公司 | Centrally installed switchgear capable of meeting temperature rise and arcing requirements |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201904564U (en) * | 2010-12-03 | 2011-07-20 | 武汉华源电气设备有限责任公司 | Pressure buffer in pressure releasing channel of switch cabinet |
| JP2011259655A (en) * | 2010-06-11 | 2011-12-22 | Mitsubishi Electric Corp | Switchgear |
| CN104064963A (en) * | 2013-03-21 | 2014-09-24 | 广东邦能电气投资有限公司 | Longitudinally-rotational modularized high-voltage metal-enclosed switchgear |
| CN205231606U (en) * | 2015-11-20 | 2016-05-11 | 川开电气有限公司 | Cubical switchboard main bus -bar room pressure relief device |
| CN105826854A (en) * | 2016-03-22 | 2016-08-03 | 广州白云电器设备股份有限公司 | Gas insulated metal enclosed switchgear |
| CN207884110U (en) * | 2018-03-12 | 2018-09-18 | 北京永兴源工贸有限责任公司 | A kind of power distribution cabinet |
-
2018
- 2018-12-20 CN CN201811565447.8A patent/CN109524913B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011259655A (en) * | 2010-06-11 | 2011-12-22 | Mitsubishi Electric Corp | Switchgear |
| CN201904564U (en) * | 2010-12-03 | 2011-07-20 | 武汉华源电气设备有限责任公司 | Pressure buffer in pressure releasing channel of switch cabinet |
| CN104064963A (en) * | 2013-03-21 | 2014-09-24 | 广东邦能电气投资有限公司 | Longitudinally-rotational modularized high-voltage metal-enclosed switchgear |
| CN205231606U (en) * | 2015-11-20 | 2016-05-11 | 川开电气有限公司 | Cubical switchboard main bus -bar room pressure relief device |
| CN105826854A (en) * | 2016-03-22 | 2016-08-03 | 广州白云电器设备股份有限公司 | Gas insulated metal enclosed switchgear |
| CN207884110U (en) * | 2018-03-12 | 2018-09-18 | 北京永兴源工贸有限责任公司 | A kind of power distribution cabinet |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224329A (en) * | 2019-07-15 | 2019-09-10 | 广东佰林电气设备厂有限公司 | A kind of switchgear with closed guard mechanism |
| CN110224329B (en) * | 2019-07-15 | 2024-06-04 | 广东佰林电气设备厂有限公司 | Switch cabinet with closed baffle mechanism |
| CN113644576A (en) * | 2021-09-01 | 2021-11-12 | 广东中盛纳科技有限公司 | Centrally installed switchgear capable of meeting temperature rise and arcing requirements |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109524913B (en) | 2020-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109524913A (en) | Switchgear and its cabinet body | |
| CN211265971U (en) | Ultra-strong gas based current switch capable of quickly and transversely cutting off short-circuit fault | |
| CN106898954B (en) | A kind of pressure relief device of switch cabinet | |
| CN111884064A (en) | Armored movable metal-enclosed switch power cabinet and wiring method thereof | |
| CN110808196A (en) | Electrical engineering distribution circuit breaker | |
| CN206274580U (en) | A kind of circuit breaker switch cabinet cabinet | |
| US4362915A (en) | Electric arc confining device | |
| CN209488019U (en) | A kind of power distribution cabinet of good heat dissipation effect | |
| CN115800066A (en) | Explosion-proof pressure relief device ventilates for cubical switchboard | |
| CN209592643U (en) | A kind of switchgear and its internal arcing channel design | |
| CN209592642U (en) | A kind of switchgear and its top arcing channel opening structure | |
| CN220475247U (en) | 40.5kV switch cabinet for 20Hz frequency | |
| CN219696971U (en) | Explosion-proof cubical switchboard | |
| CN207910272U (en) | A kind of switchgear preventing arc ventilating system | |
| CN217114296U (en) | Arc extinguishing structure and circuit breaker | |
| CN221282024U (en) | Arc extinguishing device and automatic change-over switch | |
| CN217881383U (en) | Arc extinguish chamber structure for molded case circuit breaker | |
| CN211295785U (en) | High-voltage electrical switch cabinet | |
| CN217983188U (en) | Circuit breaker | |
| CN211929327U (en) | Moving contact structure with curtain | |
| CN217933691U (en) | Arc extinguishing structure of measurement switch | |
| CN110611267B (en) | Pressure relief device and switch cabinet using same | |
| CN218826930U (en) | Circuit breaker with built-in deionization device | |
| CN217281719U (en) | Grounding switch cabinet and quick grounding switch cabinet | |
| CN219677192U (en) | Arc dividing and blowing structure of N pole of circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |