CN107093859A - A kind of Inflatable cabinet body and box-type substation - Google Patents
A kind of Inflatable cabinet body and box-type substation Download PDFInfo
- Publication number
- CN107093859A CN107093859A CN201710329864.1A CN201710329864A CN107093859A CN 107093859 A CN107093859 A CN 107093859A CN 201710329864 A CN201710329864 A CN 201710329864A CN 107093859 A CN107093859 A CN 107093859A
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- China
- Prior art keywords
- pressure
- cabinet
- casing
- pressure port
- box
- 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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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The present invention relates to a kind of Inflatable cabinet body and box-type substation.The present invention sets pressure relief opening on the casing or Inflatable cabinet body of box-type substation, go out to block in pressure relief opening and have the pressure port being hinged on casing or cabinet, and the pressure in casing or cabinet be less than setting value when by stop part to pressure port carry out block, casing and cabinet is set normally to use, when the electric elements in casing or cabinet produce high temperature and high pressure gas because of arcing failure, high temperature and high pressure gas can impact pressure port and deform pressure port natural resiliency, it can slide past stop part after pressure port deformation and open pressure relief opening, by the gas discharge in casing or cabinet, reach the purpose of pressure release, avoid damage of the high temperature and high pressure gas to other electric elements, bursting when it also avoid casing or cabinet internally pressure is sufficiently large, improve security performance.
Description
Technical field
The present invention relates to a kind of Inflatable cabinet body and box-type substation.
Background technology
With the technology maturation of box-type substation, it is with level of integrated system height, small floor space, low engineering cost, construction
The advantages of cycle is short rapidly becomes the new direction of transformer substation in city construction.Box-type substation is placed on urban road both sides, when one
When short-circuit arcing failure occurs for minor loop, moment high temperature and high pressure gas can be produced, due to narrow space in box-type substation, if nothing
Method is discharged in a short time, and the damage of other spacing devices or casing in casing can be caused to burst, can be caused near box-type substation
Casualties or property loss.
The content of the invention
It is an object of the invention to provide a kind of Inflatable cabinet body, cause high temperature to solve generation arcing failure in cabinet
The technical problem that gases at high pressure are caused damage to other equipment in cabinet or even cabinet is burst；The present invention also aims to provide one
Plant box-type substation.
To achieve the above object, Inflatable cabinet body of the invention is adopted the following technical scheme that：
Technical scheme 1：Inflatable cabinet body is provided with the pressure port that closure pressure relief opening is also hinged with pressure relief opening, cabinet, pressure port
It can be rotated around its jointed shaft, to pressure port block when also thering is in cabinet the pressure to be less than setting value on cabinet to overhanging at pressure relief opening
Stop part, the pressure port can be reached in cabinet setting pressure when by natural resiliency deformation slips over block for cabinet
Interior gas discharge.
Technical scheme 2：On the basis of technical scheme 1, the stop part is located at the hinge of the remote pressure port of cabinet bottom plate
The side of spindle.
Technical scheme 3：On the basis of technical scheme 1 or 2, stop part is L-shaped, outside wall surface from its overhanging section to cabinet it
Outer protrusion.
Technical scheme 4：On the basis of technical scheme 3, stop part is provided with chamfering in the side close to pressure port.
Technical scheme 5：On the basis of technical scheme 3, the length of the overhanging section of stop part is 0.5 ~ 1mm.
Technical scheme 6：The locking dress that locking is carried out to pressure port is additionally provided with the basis of technical scheme 1 or 2, on cabinet
Put.
Technical scheme 7：On the basis of technical scheme 6, blocking device includes rolling assembling the rotating shaft on cabinet, rotating shaft
It is provided with axis of rotation that to the dead bolt of pressure release door limiting, the rotation for rotating shaft is additionally provided with rotating shaft outside cabinet
Button, knob and dead bolt are arranged in opposite directions.
Technical scheme 8：On the basis of technical scheme 1 or 2, it is additionally provided with the jointed shaft of pressure port and provides court for pressure port
To the torsion spring of the twisting resistance inside cabinet.
Technical scheme 9：On the basis of technical scheme 1 or 2, pressure port is located at the downside of cabinet, and pressure port is close
Side inside cabinet is provided with handle.
The box-type substation of the present invention is adopted the following technical scheme that：
Technical scheme 1：Box-type substation includes being provided with switch cabinet chamber and transformer room, switch cubicle indoor location in casing, casing
Have and transformer be installed in Medium Voltage Switchgear, transformer room, casing be provided with pressure relief, pressure relief include pressure relief opening and
Being hinged on casing is used to block the pressure port of pressure relief opening, and pressure port can be rotated around its jointed shaft, also at pressure relief opening on casing
Overhanging has the stop part to pressure port block when pressure is less than setting value in casing, and the pressure port can reach in casing
Block is slipped over for gas discharge in casing by natural resiliency deformation during setting pressure.
Technical scheme 2：On the basis of technical scheme 1, the stop part is located at the hinge of the remote pressure port of box bottom
The side of spindle.
Technical scheme 3：On the basis of technical scheme 1 or 2, stop part is provided with chamfering in the side close to pressure port.
Technical scheme 4：The locking dress that locking is carried out to pressure port is additionally provided with the basis of technical scheme 1 or 2, on casing
Put.
Technical scheme 5：On the basis of technical scheme 4, blocking device includes rolling assembling the rotating shaft on casing, rotating shaft
It is provided with axis of rotation that to the dead bolt of pressure release door limiting, the rotation for rotating shaft is additionally provided with rotating shaft outside casing
Button, knob and dead bolt are arranged in opposite directions.
Technical scheme 6：On the basis of technical scheme 1 or 2, it is additionally provided with the jointed shaft of pressure port and provides court for pressure port
To the torsion spring of the twisting resistance of box house.
Technical scheme 7：On the basis of technical scheme 1 or 2, pressure port is located at the downside of casing, and pressure port is close
The side of box house is provided with handle.
Technical scheme 8：On the basis of technical scheme 1 or 2, Medium Voltage Switchgear includes air chamber and cable vault, the pressure release
At least three sets of structure, wherein have two sets of underfaces for being located at cable vault, and the pressure port of two sets pressure reliefs pair is opened to dressing up
Door, double swing doors at dress be provided with cable punching hole, it is recessed that cable punching hole is set on the relative one side of two pressure ports
Groove is assembled；Also a set of pressure relief is located at the side of double swing doors, and the pressure relief passes through pressure release passage and air chamber
Connection.
Technical scheme 9：On the basis of technical scheme 8, six sets of the pressure relief, the lower parallel of transformer room is set
There are three sets.
The beneficial effects of the invention are as follows：The present invention sets pressure relief opening on casing or cabinet, goes out to block in pressure relief opening hinged
The pressure port on casing or cabinet is connected on, and pressure port is entered by stop part when pressure is less than setting value in casing or cabinet
Row block, makes casing and cabinet normally use, when the electric elements in casing or cabinet produce high temperature height because of arcing failure
Calm the anger body when, high temperature and high pressure gas can impact pressure port and make pressure port natural resiliency deform, pressure port deformation after can slide
Cross stop part and open pressure relief opening, the gas in casing or cabinet is discharged, the purpose of pressure release is reached, it is to avoid high temperature and high pressure gas
Damage to other electric elements, bursting when it also avoid casing or cabinet internally pressure is sufficiently large, improves safety
Performance.
Further, the setting of blocking device so that by pressure port when needing the personnel to enter cabinet or box house maintenance
Locking, pressure port possesses bearing capacity；Avoid pressure port from upwardly opening again when normal use and cause toy from pressure relief opening
Place enters inside casing or cabinet.
Further, the setting of torsion spring causes pressure port also will not all to be opened wide in unlatching, is supplied to and let out by torsion spring
The power closed towards pressure port of pressure gate, avoids the unlatching of pressure port or reduces the opening angle of pressure port as far as possible as far as possible
Degree, and then reduce the probability that toy enters inside casing or cabinet.
Further, the setting of the pressure relief of the cable vault bottom double swing doors of box-type substation so that pressure port
Unlatching do not influence passing through for cable.
Brief description of the drawings
Fig. 1 is the example structure schematic diagram of the box-type substation of the present invention；
Fig. 2 is the top view of the pressure relief of Tu1Zhong cable vaults bottom；
Fig. 3 is sectional view at Fig. 2 A-A；
Fig. 4 is the top view for the pressure relief being connected in Fig. 1 with the air chamber of Medium Voltage Switchgear；
Fig. 5 is sectional view at Fig. 4 B-B；
Fig. 6 is the partial enlarged drawing at the C in Fig. 5；
Fig. 7 for Fig. 1 pressure relief in blocking device locking when state reference map；
State reference map when Fig. 8 opens for the blocking device in Fig. 1 pressure relief；
Fig. 9 for the present invention box-type substation another embodiment in pressure relief structural representation；
In figure：1- box-type substations, 11- casings, 111- bottom plates, 12- switch cabinet chambers, 13- transformer rooms, 14- Medium Voltage Switchgears,
141- air chambers, 142- cable vaults, 15- transformers, 16- low-voltage cabinets, 17- dividing plates, 18- support connectors, 19- cables, 20- pressure releases
Passage, 200- pressure reliefs, 201- pressure ports, 202- stop parts, 2021- overhanging sections, 2022- chamferings, 203- blocking devices,
2031- rotating shafts, 2032- dead bolts, 2033- knobs, 204- hinges, 205- torsion springs, 206- handles, 207- cable punching holes.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of the box-type substation of the present invention, as shown in Figures 1 to 8, including casing 11, the inside of casing 11 leads to
Cross dividing plate 17 and be separated out in three chambers, switch cabinet chamber 12 and Medium Voltage Switchgear 14 is installed, transformation is installed in transformer room 13
Device 15, low-voltage cabinet indoor location has electricity piece in low-voltage cabinet 16, three chambers to be arranged on the bottom plate of casing 11 by support
On 111, support is formed by the weldering of angle steel group, and wherein the lower bracket of Medium Voltage Switchgear 14 uses the support of all round closure, is pressed off in
The cable vault 142 for closing cabinet 14 is convenient when occurring arcing failure to use the pressure release of pressure relief 200.Medium Voltage Switchgear 14 also includes air chamber
141, air chamber 141 guides another pressure relief 200 to the bottom of casing 11 to carry out pressure release, pressure release passage 20 by pressure release passage 20
Assembled by 3mm steel plates, one end is connected with the air chamber 141 of Medium Voltage Switchgear 14, on the bottom plate 111 of the other end and casing 11
Pressure relief 200 is connected, and by supporting connector 18 to be connected with dividing plate 17, by the combustion of the air chamber 141 of Medium Voltage Switchgear 14
Arc failure gas is guided to the bottom of casing 11.The bottom of casing 11 in the present embodiment is provided with six sets of pressure reliefs 200, wherein transformation
The lower parallel of device room 13 is provided with three sets, and the bottom of switch cabinet chamber 12 sets three sets, under the cable vault 142 of Medium Voltage Switchgear 14
The pressure relief 200 in portion, does not influence the folding of pressure relief 200, using two sets of pressure reliefs when being passed through for the ease of cable 19
200 pairs of dress modes form double swing doors, and to setting multiple at dress（Shown in Fig. 2 for six）Semi-circular recesses, two
The semi-circular recesses on side are combined into six circular cable punching holes 207 after to dress, and triangle is also can be replaced in other embodiments
Shape, square etc..Two sets of pressure reliefs 200 for constituting double swing doors are located at left side, and its right side sets another set of and air chamber 141
The pressure relief 200 of connection.
Pressure relief 200 includes pressure relief opening and the pressure port being hinged on by hinge 204 and torsion spring 205 on bottom plate 111
201, pressure port 201 is used to block pressure relief opening, and pressure port 201 concedes the gas that opening is produced for arcing failure in downward open
Body is exported.Stop part 202 is provided with the corresponding bottom plate 111 in three in addition to jointed shaft side of pressure port 201, in fig. 2,
Stop part 202 is respectively provided on the bottom plate 111 of the casing 11 of two sides of the close jointed shaft of correspondence pressure port 201, that is, is set
On the doorframe of left and right sides, because doorframe is not provided with to dress at the one side of this double swing doors away from jointed shaft,
Therefore stop part 202 can not be set here.On the pressure relief 200 of the single open-door shown in Fig. 4, stop part 202 is set
On the doorframe of the side away from jointed shaft.
As it can be seen in figures 5 and 6, stop part 202 is L-shaped, it stretches out from the side for being located at the outside of casing 11 of doorframe, and
With the bending towards the side of pressure port 201, bending is the overhanging section 2021 of stop part 202, and the length of overhanging section 2021 is 0.5
~ 1mm, and chamfering 2022 is being provided with the upper angle of pressure port 201, it is according to generation arcing failure in casing 11 so to set
When pressure and pressure port 201 can be gone out set by the purpose of the stop part 202 under pressure effect, send out in casing 11
The high temperature and high pressure gas impact pressure port 201 produced during raw arcing failure, makes pressure port 201 occur elastic deformation, so that letting out
Pressure gate 201 is crossed stop part 202 and opened downwards, concedes pressure relief opening supplied gas and passes through.Now torsion spring 205 is supplied to pressure port
201 1 upward twisting resistances, so that pressure port 201 be held up upwards, prevent pressure port 201 from opening downwards excessive and making petty action
Thing enters inside casing 11.Handle 206 is additionally provided with the upper side of pressure port 201, can be existed after pressure release terminates by handle 206
Pressure port 201 is retracted into initial position in casing 11.
Blocking device 203 is additionally provided with the corresponding doorframe of pressure port 201, as shown in Figure 7,8, blocking device 203 is located at
On the doorframe on the both sides of the close jointed shaft of correspondence pressure port 201, blocking device 203 includes rotating shaft 2031, knob 2033 and lock
Tongue 2032,2031 points of rotating shaft is three sections, respectively cylindrical section, square section and thread segment, the part that rotating shaft 2031 passes through cylindrical section
It is rotated on the bottom plate 111 of casing 11, a part for cylindrical section stretching bottom plate 111, which is provided with knob 2033, square section, to be provided with
Dead bolt 2032, thread segment by pad, nut so that dead bolt 2032 is pressed on bottom plate 111, during compression be elastic compression, it is necessary to
Ensure that knob 2033 being capable of rotating shaft 2031 and dead bolt 2032.In 203 locking of blocking device（State shown in Fig. 7）, dead bolt
2032 rotations to the lower section of pressure port 201, knob 2033 is in 180 degree with dead bolt 2032, can be spacing to the progress block of pressure port 201,
The unlatching downwards of pressure port 201 is prevented, the weight of maintainer and weight can be born in inspection operation；Opened in blocking device 203
Qi Shi（State shown in Fig. 8）, knob 2033 rotate to close to the side of pressure port 201 and with a part can be with block pressure port
201, prevent pressure port 201 from being upwardly opened by jack-up such as toys, dead bolt 2032 is rotated to the side away from pressure port 201,
Pressure port 201 can only be opened downwards, and carry out pressure release when there is arcing failure.
The box-type substation of the present invention is in use：When needing maintenance, personnel need to enter inside casing 11, this
When by the locking of blocking device 203 of pressure relief 200, the dead bolt 2032 of blocking device 203 is rotated to the lower section of pressure port 201, can
Spacing to the block of pressure port 201, pressure port 201 can be used for carrying personnel or weight；When box-type substation 1 normal in use,
Blocking device 203 is outwarded winding by knob 2033, now knob 2033 is located at the top of pressure port 201, dead bolt 2032 allows open position,
Pressure port 201 is only supported by stop part 202, when generation arcing failure causes gas expansion in casing 11, high temperature and high pressure gas
Pressure port 201 is impacted, pressure port 201 occurs micro elastic deformation and extrudes stop part 202, due to the overhanging of stop part 202
2021 length very littles of section and with chamfering 2022, pressure port 201 can cross stop part 202 and open downwards, concede pressure relief opening
For in casing 11 gas discharge, it is to avoid high temperature and high pressure gas to other components in casing 11 cause damage or when casing
11 burst, due to the presence of torsion spring 205 at the jointed shaft of pressure port 201 so that pressure port 201 will not be fully opened, but
The lower hovering of twisting resistance effect of gas pressure and torsion spring 205 is somewhere, it is to avoid toy enters casing 11 from opening, in gas
After discharge, pressure port 201 will not also be upwardly opened due to the block effect of knob 2033, further avoid the entrance of toy,
After the completion of pressure release, pressure port 201 is pulled upwardly out of casing 11 by handle 206, pressure port 201 is replied initial position.
In other embodiments, as shown in figure 9, blocking device 203 may also be arranged on correspondence pressure port 201 away from being hinged
On the doorframe of the side of axle, now blocking device 203 has more preferable block effect, and bearing capacity is stronger；Blocking device 203
Dead bolt 2032 and knob 2033 are also not limited to 180 degree arrangement, also can be replaced arranged at right angles or other angles；Rotating shaft 2031
On square section also can be replaced hexagon or other there is the shape of rotation stopping function.
The specific embodiment of the Inflatable cabinet body of the present invention：Inflatable cabinet body, cabinet is provided with pressure relief, pressure relief
Cabinet bottom or other sidepieces can be arranged on, Inflatable cabinet body of the invention refers to high pressure gas insulation metal enclosed switch
The cabinet of equipment, the embodiment of pressure relief and each embodiment phase of the pressure relief in each embodiment of above-mentioned box-type substation
Together, repeat no more.
Claims (10)
1. box-type substation, including casing, it is characterized in that, it is provided with switch cabinet chamber and transformer room, switch cabinet chamber and pacifies in casing
Equipped with Medium Voltage Switchgear, transformer is installed in transformer room, casing is provided with pressure relief, pressure relief include pressure relief opening with
And be hinged on for the pressure port for blocking pressure relief opening on casing, pressure port can be rotated around its jointed shaft, also to pressure relief opening on casing
Place's overhanging has stop part when pressure is less than setting value in casing to pressure port block, and the pressure port can reach in casing
Deformed during to setting pressure by natural resiliency and slip over stop part for gas discharge in casing.
2. box-type substation according to claim 1, it is characterized in that, the stop part is located at the remote pressure release of box bottom
The side of the jointed shaft of door.
3. box-type substation according to claim 1 or 2, it is characterized in that, stop part is L-shaped, and its overhanging section is to cabinet
Protruded outside outside wall surface.
4. box-type substation according to claim 1 or 2, it is characterized in that, stop part is provided with the side close to pressure port
Chamfering.
5. box-type substation according to claim 1, it is characterized in that, it is additionally provided with casing and pressure port progress locking is closed
Locking device.
6. box-type substation according to claim 5, it is characterized in that, blocking device includes rolling assembling turning on casing
Axle, rotating shaft is provided with axis of rotation to the dead bolt of pressure release door limiting, to be additionally provided with and turn for rotating in rotating shaft outside casing
The knob of axle, knob and dead bolt are arranged in opposite directions.
7. the box-type substation according to claim 1 or 6, it is characterized in that, it is additionally provided with the jointed shaft of pressure port as pressure release
Door provides the torsion spring of the twisting resistance towards box house.
8. box-type substation according to claim 1 or 2, it is characterized in that, Medium Voltage Switchgear includes air chamber and cable vault, institute
The pressure port of pressure relief of the underface of cable vault is stated to dressing up double swing doors, double swing doors to being provided with cable at dress
Perforation, the groove that cable punching hole is set on the relative one side of two pressure ports is assembled；Medium pressure air chamber of switch cabinet pressure release
Structure is connected by pressure release passage with air chamber.
9. Inflatable cabinet body, it is characterized in that, Inflatable cabinet body, which is provided with pressure relief opening, cabinet, is also hinged with letting out for closure pressure relief opening
Pressure gate, pressure port can be rotated around its jointed shaft, when also having that pressure is less than setting value in cabinet on cabinet to overhanging at pressure relief opening
To the stop part of pressure port block, the pressure port can reach to deform by natural resiliency during setting pressure in cabinet to be slipped over
Block is for gas discharge in cabinet.
10. Inflatable cabinet body according to claim 9, it is characterized in that, it is additionally provided with cabinet and locking is carried out to pressure port
Blocking device, blocking device includes rolling assembling the rotating shaft on cabinet, and rotating shaft is provided with axis of rotation with outside cabinet
To the dead bolt of pressure release door limiting, the knob for rotating shaft is additionally provided with rotating shaft, knob and dead bolt are arranged in opposite directions, pressure port
The torsion spring provided for pressure port towards the twisting resistance inside cabinet is provided at jointed shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710329864.1A CN107093859B (en) | 2017-05-11 | 2017-05-11 | A kind of Inflatable cabinet body and box-type substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710329864.1A CN107093859B (en) | 2017-05-11 | 2017-05-11 | A kind of Inflatable cabinet body and box-type substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107093859A true CN107093859A (en) | 2017-08-25 |
| CN107093859B CN107093859B (en) | 2019-02-26 |
Family
ID=59637878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710329864.1A Active CN107093859B (en) | 2017-05-11 | 2017-05-11 | A kind of Inflatable cabinet body and box-type substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107093859B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907569A (en) * | 2017-12-11 | 2018-04-13 | 天津航天瑞莱科技有限公司 | A kind of explosive atmosphere test case for being capable of safety relief |
| CN108092138A (en) * | 2018-01-25 | 2018-05-29 | 科畅电气有限公司 | A kind of power distribution cabinet |
| CN108429182A (en) * | 2018-05-14 | 2018-08-21 | 河南森源电气股份有限公司 | A kind of gas-filling cabinet and the cable closing plate for gas-filling cabinet |
| CN110601020A (en) * | 2019-09-30 | 2019-12-20 | 上海置信电气非晶有限公司 | Low-voltage cabinet protection structure for prefabricated substation |
| CN115189266A (en) * | 2022-06-20 | 2022-10-14 | 山东汇能电气有限公司 | Aerify cabinet convenient to pressure release |
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| CN202474632U (en) * | 2012-02-21 | 2012-10-03 | 上海南华兰陵电气有限公司 | IAC (Interactive Application Communication)-class prefabricated substation for preventing internal fault arc |
| US20150133042A1 (en) * | 2013-11-13 | 2015-05-14 | Eaton Corporation | Vent Apparatus For Electrical Enclosure |
| CN105048329A (en) * | 2015-06-29 | 2015-11-11 | 平高集团有限公司 | Metal enclosed switch cabinet |
| CN106356728A (en) * | 2016-08-30 | 2017-01-25 | 天津汇和电气设备股份有限公司 | Power distribution cabinet provided with movably assembled and oppositely spliced cabinet bottom plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202474632U (en) * | 2012-02-21 | 2012-10-03 | 上海南华兰陵电气有限公司 | IAC (Interactive Application Communication)-class prefabricated substation for preventing internal fault arc |
| US20150133042A1 (en) * | 2013-11-13 | 2015-05-14 | Eaton Corporation | Vent Apparatus For Electrical Enclosure |
| CN105048329A (en) * | 2015-06-29 | 2015-11-11 | 平高集团有限公司 | Metal enclosed switch cabinet |
| CN106356728A (en) * | 2016-08-30 | 2017-01-25 | 天津汇和电气设备股份有限公司 | Power distribution cabinet provided with movably assembled and oppositely spliced cabinet bottom plate |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907569A (en) * | 2017-12-11 | 2018-04-13 | 天津航天瑞莱科技有限公司 | A kind of explosive atmosphere test case for being capable of safety relief |
| CN108092138A (en) * | 2018-01-25 | 2018-05-29 | 科畅电气有限公司 | A kind of power distribution cabinet |
| CN108092138B (en) * | 2018-01-25 | 2024-02-13 | 科畅电气有限公司 | Power distribution cabinet |
| CN108429182A (en) * | 2018-05-14 | 2018-08-21 | 河南森源电气股份有限公司 | A kind of gas-filling cabinet and the cable closing plate for gas-filling cabinet |
| CN110601020A (en) * | 2019-09-30 | 2019-12-20 | 上海置信电气非晶有限公司 | Low-voltage cabinet protection structure for prefabricated substation |
| CN115189266A (en) * | 2022-06-20 | 2022-10-14 | 山东汇能电气有限公司 | Aerify cabinet convenient to pressure release |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107093859B (en) | 2019-02-26 |
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