CN108448474A - A kind of interlocking pressure release ring main unit automatically controlled - Google Patents
A kind of interlocking pressure release ring main unit automatically controlled Download PDFInfo
- Publication number
- CN108448474A CN108448474A CN201810297995.0A CN201810297995A CN108448474A CN 108448474 A CN108448474 A CN 108448474A CN 201810297995 A CN201810297995 A CN 201810297995A CN 108448474 A CN108448474 A CN 108448474A
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- CN
- China
- Prior art keywords
- pressure
- cabinet
- elastic component
- channel
- pressure release
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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
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a kind of interlocking pressure release ring main units automatically controlled, including cabinet and pressure release interlock, the double-layer structure that the cabinet is made of outer panel and interior plate, the cross scavenging channel that the outer panel and interior plate surround longitudinal ventilation channel at left and right sides of cabinet and surrounded at the top of cabinet, by the way that ventilation sealing plate is arranged in channel of taking a breath, cabinet internal pressure conditions can accurately be perceived, the interlocking fit of first pressure elastic component and second pressure elastic component, realize the recycling of pressure release cover board, improve operating personnel's overhaul efficiency, cabinet double-layer structure is arranged, the Multiple detection in ventilation channel, cabinet can be applied to extreme environment.
Description
Technical field
The present invention relates to switch-box/cabinet fields, and in particular to a kind of interlocking pressure release ring main unit automatically controlled.
Background technology
Currently, switchgear top pressure release passage is all made of explosion-proof bolt and fixes, occurs high temperature and pressure malfunction in cabinet
When, explosion-proof bolt is destroyed and then realizes that the jack-up of pressure release cover board, this structure prevent pressure release cover board from utilizing again by pressure,
Need operating personnel to re-replace after breaking down, and due in cabinet pressure be unevenly distributed, pressure release cover board cannot push up completely
It rises, cabinet internal pressure power is caused to continue to result in failure propagation.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of interlocking pressure release ring main unit automatically controlled,
There is technical issues that solve ring main unit pressure relief in the prior art.
To achieve the above object, the present invention provides following technical schemes：
The present invention provides a kind of interlocking pressure release ring main unit automatically controlled, including cabinet and pressure release interlock, feature
It is：The double-layer structure that the cabinet is made of outer panel and interior plate, the outer panel and interior plate are in the left and right of cabinet two
For gusset at longitudinal ventilation channel and the cross scavenging channel surrounded at the top of cabinet, longitudinal ventilation channel and cross scavenging are logical
Road connection setting is provided with air inlet on the longitudinally middle part in ventilation channel, outer panel, and air inlet is internally provided with axis stream wind
Machine is provided with the pressure relief opening communicated with outside in cabinet on the middle part in cross scavenging channel, outer panel and interior plate, cabinet
Lower part is equipped with the pedestal for outlet air, and pedestal upper surface is equipped with the ventilation opening that is connected in cabinet, the row of being equipped at left and right sides of pedestal
Air port, exhaust outlet inside are equipped with exhaust fan；
The pressure release interlock includes first pressure elastic component, second pressure elastic component, ventilation sealing plate, pressure release cover board
And controller, ventilation sealing plate are arranged at the both ends in cross scavenging channel, ventilation sealing plate is vertically arranged, the upper end it is hinged with
The inside of top lateral plate, lower end are free end, the connection for sealing off cross scavenging channel and longitudinal ventilation channel, the
One compressive resilience part be laterally be arranged, fixing end be arranged longitudinally ventilation upper part of channel lamina rara externa inside, elastic tip with
The free end of ventilation sealing plate is fixedly connected, and the pressure release cover board is covered in the top of the pressure relief opening, second pressure elastic component
It is vertically arranged, fixing end is fixed on the upper surface of pressure relief opening interior plate, and elastic tip is fixed on the lower surface of pressure release cover board；
First pressure elastic component, second pressure elastic component are electric pressure sensor part, the normal shape of first pressure elastic component
To stretch out shape under state, it is electrically connected with the controller for compression shape, the two under second pressure elastic component normal condition, controller passes through
It acquiring the state of first pressure elastic component and then controls whether second pressure elastic component acts, exhaust fan is electrically connected with the controller,
Under pressure state in exhaust fan Acceleration of starting cabinet pressed gas discharge.
Further, first pressure elastic component, second pressure elastic component structure include hollow sleeve (62), resilient key, bullet
Spring, resilient key and spring are embedded in hollow sleeve, and one end of spring is fixedly connected with the bottom surface of hollow sleeve, the other end and bullet
Property pin bottom surface connection, the other end of resilient key with take a breath sealing plate or pressure release cover board is fixedly connected, outside the barrel of hollow sleeve
Side be hingedly provided with " [" type locking piece, " [and be provided on the outside of articulated shaft and barrel and be fixedly connected in the middle part of " type locking piece, " [" type
The upper end of locking piece is locking pin, passes through barrel to be locked with the lock hole cooperation on resilient key, " [lower end of " type locking piece is
The electromagnetic suction device cooperation being arranged on magnetic part, with barrel, barrel inside are additionally provided with position sensor, and the electromagnetism is attracted
Device and sensor are electrically connected with the controller.
Further, longitudinal ventilation channel is disposed with dust removing units, Dehumidifying element and inflammable on gas circuit direction
Explosion hazard gases detection unit.
Further, the interior plate and outer panel are isolation material.
Advantageous effect is：By the way that ventilation sealing plate is arranged in channel of taking a breath, cabinet internal pressure shape can be accurately perceived
State, the interlocking fit of first pressure elastic component and second pressure elastic component realize the recycling of pressure release cover board, improve operation
The exhaust fan that can be automatically controlled is arranged in personnel's overhaul efficiency, bottom of cabinet bulk, accelerates the discharge of pressed gas in cabinet, cabinet double-deck
Structure setting, the Multiple detection in channel of taking a breath, cabinet can be applied to extreme environment.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram under normal condition of the present invention；
Fig. 2 is the structural schematic diagram under pressure state of the present invention；
Fig. 3 is the structural schematic diagram of compressive resilience part of the present invention；
The reference numerals are as follows：
1, outer panel；2, interior plate；3, axial flow blower；4, longitudinal ventilation channel；5, cross scavenging channel；6, first pressure
Elastic component；7, ventilation sealing plate；8, second pressure elastic component；9, pressure release cover board；10, ventilation opening；11, exhaust outlet；12, air draft
Fan；61, resilient key；62, hollow sleeve；63, spring；64, locking piece；65, position sensor；66, electromagnetic suction device；67、
Lock hole.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, technical scheme of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
A kind of interlocking pressure release ring main unit automatically controlled, including cabinet and pressure release interlock, it is characterised in that：The cabinet
The double-layer structure that body is made of outer panel 1 and interior plate 2, the outer panel 1 and interior plate 2 surround vertical at left and right sides of cabinet
To ventilation channel 4 and the cross scavenging channel 5 surrounded at the top of cabinet, longitudinal channel 4 and company of cross scavenging channel 5 of taking a breath
Logical setting is provided with air inlet on the longitudinally middle part in ventilation channel 4, outer panel 1, and air inlet is internally provided with axial flow blower
3, the pressure relief opening communicated with outside in cabinet, cabinet are provided on the middle part in cross scavenging channel 5, outer panel 1 and interior plate 2
Lower part be equipped with the pedestal for outlet air, pedestal upper surface be equipped with the ventilation opening that is connected in cabinet, be equipped at left and right sides of pedestal
Exhaust outlet, exhaust outlet inside are equipped with exhaust fan 12；
The pressure release interlock includes first pressure elastic component 6, second pressure elastic component 8, ventilation sealing plate 7, pressure release
Cover board 9 and controller, ventilation sealing plate 7 are arranged at the both ends in cross scavenging channel 5, and ventilation sealing plate 7 is vertically arranged, thereon
End is hinged and the inside of top lateral plate 1, and lower end is free end, logical for sealing off cross scavenging channel 5 and longitudinal ventilation
The connection in road 4, first pressure elastic component 6 are laterally to be arranged, and the lamina rara externa 1 on longitudinally ventilation 4 top of channel is arranged in fixing end
Inside, elastic tip with ventilation sealing plate 7 free end be fixedly connected, the pressure release cover board 9 is covered in the upper of the pressure relief opening
Portion, second pressure elastic component 8 are vertically arranged, and fixing end is fixed on the upper surface of pressure relief opening interior plate 2, and elastic tip is fixed on
The lower surface of pressure release cover board 9；
First pressure elastic component 6, second pressure elastic component 8 are electric pressure sensor part, and first pressure elastic component 6 is normal
To stretch out shape under state, it is electrically connected with the controller for compression shape, the two under 8 normal condition of second pressure elastic component, controller
Control whether second pressure elastic component 8 acts by acquiring the state of first pressure elastic component 6, exhaust fan 12 and controller
Electrical connection, under pressure state in exhaust fan Acceleration of starting cabinet pressed gas discharge.
Further, first pressure elastic component 6, second pressure elastic component 8 structure include hollow sleeve 62, resilient key 61,
Spring 63, resilient key 61 and spring 63 are embedded in hollow sleeve 62, and one end and the bottom surface of hollow sleeve 62 of spring 63 are fixed
Connection, the other end are connect with the bottom surface of resilient key 61, and the other end and the ventilation sealing plate 7 or pressure release cover board 9 of resilient key 61 are fixed
Connection, is hingedly provided with that " [" type locking piece 64 " [is provided with hinged in the middle part of " type locking piece on the outside of the barrel of hollow sleeve 62
It is fixedly connected on the outside of axis and barrel, " [upper end of " type locking piece 64 is locking pin, passes through barrel and the locking on resilient key 61
The cooperation locking of hole 67, " [lower end of " type locking piece 64 is that the electromagnetic suction device 66 being arranged on magnetic part, with barrel coordinates, cylinder
It is additionally provided with position sensor 65 on the inside of wall, the electromagnetic suction device 66 and sensor 65 are electrically connected with the controller.
Further, longitudinal ventilation channel 4 is disposed with dust removing units, Dehumidifying element and inflammable on gas circuit direction
Explosion hazard gases detection unit.
Further, the interior plate 2 and outer panel 1 are isolation material.
The control mode of ring main unit：
1, under normal condition, outside air enters to longitudinal ventilation channel from axial flow blower 3, as shown in arrow in attached drawing 1
Airflow direction, first pressure elastic component 6 is stretching state at this time, and ventilation sealing plate 7 is in an open state, it is longitudinal take a breath channel 4 with
Cross scavenging channel 5 be connected to, second pressure elastic component be compressive state, pressure release cover board 9 be sealing state, gas through pressure relief opening to
It is lower to enter cabinet, and cabinet is discharged by the exhaust outlet of pedestal, realize the heat dissipation of electrical equipment；
2, under pressure state, since pressure release cover board 9 at this time seals, pressure takes a breath channel to changing by upper lateral in cabinet
Airtight sealing plate 7 applies active force, and the resilient key 61 on first pressure elastic component 6 compresses, and sealing station is reached to ventilation sealing plate 7
When, 61 touch position sensor 65 of resilient key, the locking pin of 64 upper end of locking piece is corresponding with 67 position of lock hole, at this point, position
Sensor 65 sends a signal to controller, controller sending action signal, and electromagnetic suction device 66 applies reverse current so that lock
The magnetic part for determining 64 lower end of part jacks up, and locking pin is inserted into lock hole 67, that is, realizes the locking of first pressure elastic component 6；It is controlling
When device processed receives the signal of position sensor transmission of first pressure elastic component 6, while sending a signal to second pressure elastic component
8, and start exhaust fan 12 and pressed gas in cabinet is accelerated to be discharged from bottom, second pressure elastic component 8 is unlocked by lock-out state, the
The resilient key of two compressive resilience parts 8 jacks up pressure release cover board 9, realizes the unlatching of pressure relief opening.
3, when pressure state releases, it is only necessary to which operating personnel reset controller, and the electromagnetism of first pressure elastic component 6 is attracted
Device 66 applies forward current and is attracted magnetic part, and locking pin unlock resilient key 61 can pop up under the action of spring 63, and hand
Dynamic pressing pressure release cover board 9, makes it restore to locking sealing state.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (4)
1. a kind of interlocking pressure release ring main unit automatically controlled, including cabinet and pressure release interlock, it is characterised in that：The cabinet
The double-layer structure being made of outer panel (1) and interior plate (2), the outer panel (1) and interior plate (2) are in the left and right sides of cabinet
The cross scavenging channel (5) for surrounding longitudinal ventilation channel (4) and being surrounded at the top of cabinet, longitudinal ventilation channel (4) and cross
To ventilation channel (5) connection setting, air inlet, air inlet are provided on (1) in the longitudinally middle part of ventilation channel (4), outer panel
Be internally provided with axial flow blower (3), be provided on the middle part of cross scavenging channel (5), outer panel (1) and interior plate (2)
Be equipped with the pedestal for outlet air with the external pressure relief opening communicated, the lower part of cabinet in cabinet, pedestal upper surface equipped with in cabinet
The ventilation opening of connection, the pedestal left and right sides are equipped with exhaust outlet, exhaust fan (12) are equipped on the inside of exhaust outlet；
The pressure release interlock includes first pressure elastic component (6), second pressure elastic component (8), ventilation sealing plate (7), lets out
Cover clamp (9) and controller, ventilation sealing plate (7) are arranged at the both ends of cross scavenging channel (5), and ventilation sealing plate (7) is perpendicular
Straight setting, the upper end is hinged and the inside of top lateral plate (1), and lower end is free end, for sealing off cross scavenging channel
(5) with the connection of longitudinal ventilation channel (4), first pressure elastic component (6) is laterally to be arranged, and fixing end is arranged in longitudinal ventilation
The inside of the lamina rara externa (1) on channel (4) top, elastic tip are fixedly connected with the free end of ventilation sealing plate (7), the decompression cover
Plate (9) is covered in the top of the pressure relief opening, and second pressure elastic component (8) is vertically arranged, and fixing end is fixed on pressure relief opening
The upper surface of interior plate (2), elastic tip are fixed on the lower surface of pressure release cover board (9)；
First pressure elastic component (6), second pressure elastic component (8) are electric pressure sensor part, and first pressure elastic component (6) is just
To stretch out shape under normal state, it is electrically connected with the controller, controls for compression shape, the two under second pressure elastic component (8) normal condition
Device processed controls whether second pressure elastic component (8) acts by acquiring the state of first pressure elastic component (6), exhaust fan
(12) be electrically connected with the controller, under pressure state in exhaust fan Acceleration of starting cabinet pressed gas discharge.
2. a kind of interlocking pressure release ring main unit automatically controlled according to claim 1, it is characterised in that：First pressure elasticity
Part (6), second pressure elastic component (8) structure include hollow sleeve (62), resilient key (61), spring (63), resilient key (61)
It is embedded in hollow sleeve (62) with spring (63), one end of spring (63) is fixedly connected with the bottom surface of hollow sleeve (62), separately
One end is connect with the bottom surface of resilient key (61), and the other end and ventilation sealing plate (7) or pressure release cover board (9) of resilient key (61) are fixed
Connection, is hingedly provided with that " [" type locking piece (64), " [is provided in the middle part of " type locking piece on the outside of the barrel of hollow sleeve (62)
It is fixedly connected on the outside of articulated shaft and barrel, " [upper end of " type locking piece (64) is locking pin, passes through barrel and resilient key (61)
On lock hole (67) cooperation locking, " [lower end of " type locking piece (64) is that the electromagnetism that is arranged is attracted dress on magnetic part, with barrel
(66) cooperation is set, position sensor (65) is additionally provided on the inside of barrel, the electromagnetic suction device (66) and sensor (65) are equal
It is electrically connected with the controller.
3. a kind of interlocking pressure release ring main unit automatically controlled according to claim 1, it is characterised in that：Longitudinal ventilation
Channel (4) is disposed with dust removing units, Dehumidifying element and flammable explosive gas detection unit on gas circuit direction.
4. a kind of interlocking pressure release ring main unit automatically controlled according to claim 1, it is characterised in that：The interior plate
(2) and outer panel (1) is isolation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810297995.0A CN108448474B (en) | 2018-03-30 | 2018-03-30 | Automatic interlocking pressure release looped netowrk cabinet of control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810297995.0A CN108448474B (en) | 2018-03-30 | 2018-03-30 | Automatic interlocking pressure release looped netowrk cabinet of control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108448474A true CN108448474A (en) | 2018-08-24 |
| CN108448474B CN108448474B (en) | 2020-07-28 |
Family
ID=63199363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810297995.0A Active CN108448474B (en) | 2018-03-30 | 2018-03-30 | Automatic interlocking pressure release looped netowrk cabinet of control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108448474B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676700A (en) * | 2019-09-16 | 2020-01-10 | 广州市中潭空气净化科技有限公司 | Electric power system with good heat dissipation effect and fire extinguishing function |
| CN110809382A (en) * | 2019-12-13 | 2020-02-18 | 高海秀 | Explosion-proof electrical cabinet |
| CN112018643A (en) * | 2020-09-05 | 2020-12-01 | 段智强 | Safety pressure relief device of switch cabinet and pressure relief method thereof |
| CN112839472A (en) * | 2020-12-30 | 2021-05-25 | 安徽天赢电气成套设备制造有限公司 | Interval heat dissipation formula regulator cubicle |
| CN113049748A (en) * | 2021-03-10 | 2021-06-29 | 深圳市行健自动化股份有限公司 | Cover plate of underwater electronic control module and use method |
| CN114142385A (en) * | 2021-11-22 | 2022-03-04 | 国网福建省电力有限公司尤溪县供电公司 | 10kV sulfur hexafluoride gas pressure relief ring main unit |
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| KR100866282B1 (en) * | 2008-05-16 | 2008-10-31 | 신동아전기감리(주) | A distributing board having the function for removing inner pressure |
| CN103490310A (en) * | 2013-10-08 | 2014-01-01 | 国家电网公司 | Arc-leakage-preventing automatic control device of cable chamber ventilating duct |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676700A (en) * | 2019-09-16 | 2020-01-10 | 广州市中潭空气净化科技有限公司 | Electric power system with good heat dissipation effect and fire extinguishing function |
| CN110809382A (en) * | 2019-12-13 | 2020-02-18 | 高海秀 | Explosion-proof electrical cabinet |
| CN112018643A (en) * | 2020-09-05 | 2020-12-01 | 段智强 | Safety pressure relief device of switch cabinet and pressure relief method thereof |
| CN112839472A (en) * | 2020-12-30 | 2021-05-25 | 安徽天赢电气成套设备制造有限公司 | Interval heat dissipation formula regulator cubicle |
| CN113049748A (en) * | 2021-03-10 | 2021-06-29 | 深圳市行健自动化股份有限公司 | Cover plate of underwater electronic control module and use method |
| CN113049748B (en) * | 2021-03-10 | 2022-04-22 | 深圳市行健自动化股份有限公司 | Cover plate of underwater electronic control module and use method |
| CN114142385A (en) * | 2021-11-22 | 2022-03-04 | 国网福建省电力有限公司尤溪县供电公司 | 10kV sulfur hexafluoride gas pressure relief ring main unit |
| CN114142385B (en) * | 2021-11-22 | 2023-09-22 | 国网福建省电力有限公司尤溪县供电公司 | 10kV sulfur hexafluoride gas pressure relief ring main unit |
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| CN108448474B (en) | 2020-07-28 |
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