CN108448474B - Automatic interlocking pressure release looped netowrk cabinet of control - Google Patents
Automatic interlocking pressure release looped netowrk cabinet of control Download PDFInfo
- Publication number
- CN108448474B CN108448474B CN201810297995.0A CN201810297995A CN108448474B CN 108448474 B CN108448474 B CN 108448474B CN 201810297995 A CN201810297995 A CN 201810297995A CN 108448474 B CN108448474 B CN 108448474B
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- pressure
- side plate
- ventilation
- outer side
- elastic
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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
Abstract
The invention discloses an automatically controlled interlocking pressure relief ring main unit, which comprises a main body and a pressure relief interlocking structure, wherein the main body is of a double-layer structure consisting of an outer side plate and an inner side plate, the outer side plate and the inner side plate surround a longitudinal air exchange channel at the left side and the right side of the main body and a transverse air exchange channel at the top of the main body, the pressure state in the main body can be accurately sensed by arranging an air exchange sealing plate in the air exchange channel, the first pressure elastic part and the second pressure elastic part are in interlocking fit, the pressure relief cover plate is recycled, the maintenance efficiency of operators is improved, the double-layer structure of the main body is arranged, multiple detections of the air exchange channel are realized, and the main body can be applied to extreme.
Description
Technical Field
The invention relates to the field of switch boxes/cabinets, in particular to an automatically-controlled interlocking pressure-relief ring main unit.
Background
At present, cubical switchboard top pressure release passageway all adopts explosion-proof bolt fixed, and when the high temperature high pressure fault state appears in the cabinet body, pressure destroys explosion-proof bolt and then realizes the jack-up of pressure release apron, and this kind of structure makes pressure release apron can not reuse, needs operating personnel to change again after breaking down, and because cabinet internal pressure distributes inequality, and pressure release apron can not jack-up completely, causes cabinet internal pressure to continuously lead to the trouble to enlarge.
Disclosure of Invention
The invention aims to solve the problems and provide an automatically controlled interlocking pressure relief ring main unit to solve the technical problem that a pressure relief structure of the ring main unit in the prior art has potential safety hazards.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides an automatically controlled interlocking pressure relief ring main unit, which comprises a main unit body and a pressure relief interlocking structure, and is characterized in that: the cabinet body is of a double-layer structure consisting of an outer side plate and an inner side plate, the outer side plate and the inner side plate surround a longitudinal air exchange channel at the left side and the right side of the cabinet body and a transverse air exchange channel at the top of the cabinet body, the longitudinal air exchange channel and the transverse air exchange channel are communicated, an air inlet is arranged on the middle part of the longitudinal air exchange channel and the outer side plate, an axial flow fan is arranged inside the air inlet, pressure relief openings communicated with the outside inside of the cabinet body are arranged on the middle part of the transverse air exchange channel, the outer side plate and the inner side plate, a base used for air outlet is arranged at the lower part of the cabinet body, a vent communicated with the inside of the cabinet body is arranged on the upper end face;
the pressure relief interlocking structure comprises a first pressure elastic piece, a second pressure elastic piece, a ventilation sealing plate, a pressure relief cover plate and a controller, wherein the ventilation sealing plate is arranged at two ends of a transverse ventilation channel, the ventilation sealing plate is vertically arranged, the upper end of the ventilation sealing plate is hinged to the inner side of an outer side plate at the top, the lower end of the ventilation sealing plate is a free end and is used for sealing and isolating the communication between the transverse ventilation channel and a longitudinal ventilation channel, the first pressure elastic piece is transversely arranged, the fixed end of the first pressure elastic piece is arranged at the inner side of an outer side plate at the upper part of the longitudinal ventilation channel, the elastic end of the first pressure elastic piece is fixedly connected with the free end of the ventilation sealing plate, the pressure relief cover plate covers the upper part of a pressure relief opening, the second pressure elastic piece;
first pressure elastic component, second pressure elastic component are electric pressure sensing device, and first pressure elastic component is the form of stretching out under the normal condition, and second pressure elastic component is the compression form under the normal condition, and the two all is connected with the controller electricity, and the controller is through gathering the state of first pressure elastic component and then whether control second pressure elastic component moves, and the exhaust fan is connected with the controller electricity, and the exhaust fan starts the discharge of internal pressure gas of acceleration cabinet under the pressure state.
Furthermore, the structure of the first pressure elastic part and the second pressure elastic part comprises a hollow sleeve (62), an elastic pin and a spring, the elastic pin and the spring are embedded into the hollow sleeve, one end of the spring is fixedly connected with the bottom surface of the hollow sleeve, the other end of the spring is connected with the bottom surface of the elastic pin, the other end of the elastic pin is fixedly connected with a ventilation sealing plate or a pressure relief cover plate, the outside of the cylinder wall of the hollow sleeve is hinged with a [ -shaped locking part, the middle part of the [ -shaped locking part is provided with a hinged shaft which is fixedly connected with the outside of the cylinder wall, the upper end of the [ -shaped locking, which passes through the cylinder wall and is matched and locked with a locking hole on an elastic pin, the lower end of the [ -shaped locking piece is a magnetic piece, the electromagnetic attraction device is matched with the electromagnetic attraction device arranged on the cylinder wall, the position sensor is also arranged on the inner side of the cylinder wall, and the electromagnetic attraction device and the sensor are both electrically connected with the controller.
Further, the longitudinal ventilation channel is sequentially provided with a dust removal unit, a dehumidification unit and a combustible and explosive gas detection unit in the gas path direction.
Furthermore, the inner side plate and the outer side plate are made of insulating materials.
Has the advantages that: through set up the closing plate of taking a breath in the passageway of taking a breath, the internal pressure state of cabinet of accurate perception, the interlocking cooperation of first pressure elastic component and second pressure elastic component has realized the reuse of pressure release apron, improves operating personnel maintenance efficiency, and cabinet body bottom sets up the exhaust fan that can automatic control, accelerates the gaseous discharge of internal pressure of cabinet, and cabinet body bilayer structure sets up, and the multiple detection of passageway of taking a breath, the cabinet body can be applied to extreme environment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the present invention in its normal state;
FIG. 2 is a schematic view of the present invention in a pressurized state;
FIG. 3 is a schematic view of the construction of the pressure spring of the present invention;
the reference numerals are explained below:
1. an outer panel; 2. an inner side plate; 3. an axial flow fan; 4. a longitudinal ventilation channel; 5. a transverse ventilation channel; 6. a first pressure spring; 7. a ventilation sealing plate; 8. a second pressure spring; 9. a pressure relief cover plate; 10. a vent; 11. an air outlet; 12. an exhaust fan; 61. an elastic pin; 62. a hollow sleeve; 63. a spring; 64. a locking member; 65. a position sensor; 66. an electromagnetic attraction device; 67. a locking hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The utility model provides an automatic interlocking pressure release looped netowrk cabinet of control, includes the cabinet body and pressure release interlocking structure, its characterized in that: the cabinet body is of a double-layer structure consisting of an outer side plate 1 and an inner side plate 2, the outer side plate 1 and the inner side plate 2 surround a longitudinal air exchange channel 4 at the left side and the right side of the cabinet body, and a transverse air exchange channel 5 at the top of the cabinet body, the longitudinal air exchange channel 4 is communicated with the transverse air exchange channel 5, an air inlet is arranged at the middle part of the longitudinal air exchange channel 4 and the outer side plate 1, an axial flow fan 3 is arranged inside the air inlet, pressure relief openings communicated with the outside inside of the cabinet body are arranged at the middle part of the transverse air exchange channel 5, the outer side plate 1 and the inner side plate 2, a base for air outlet is arranged at the lower part of the cabinet body, a vent communicated with the inside of the cabinet body is arranged on the upper end face;
the pressure relief interlocking structure comprises a first pressure elastic piece 6, a second pressure elastic piece 8, a ventilation sealing plate 7, a pressure relief cover plate 9 and a controller, wherein the ventilation sealing plate 7 is arranged at two ends of a transverse ventilation channel 5, the ventilation sealing plate 7 is vertically arranged, the upper end of the ventilation sealing plate is hinged to the inner side of an outer plate 1 at the top, the lower end of the ventilation sealing plate is a free end and used for sealing and isolating the communication between the transverse ventilation channel 5 and a longitudinal ventilation channel 4, the first pressure elastic piece 6 is transversely arranged, the fixed end of the first pressure elastic piece is arranged at the inner side of the outer plate 1 at the upper part of the longitudinal ventilation channel 4, the elastic end of the first pressure elastic piece is fixedly connected with the free end of the ventilation sealing plate 7, the pressure relief cover plate 9 covers the upper part of a pressure relief opening, the second pressure elastic piece 8 is vertically arranged;
first pressure elastic component 6, second pressure elastic component 8 are voltage force sensing device, and first pressure elastic component 6 is the form of stretching out under the normal condition, and second pressure elastic component 8 is the compression form under the normal condition, and the two all is connected with the controller electricity, and the controller is through gathering the state of first pressure elastic component 6 and then control whether second pressure elastic component 8 moves, and exhaust fan 12 is connected with the controller electricity, and the exhaust fan starts the discharge of the internal pressure gas of acceleration cabinet under the pressure state.
Further, the first pressure elastic part 6 and the second pressure elastic part 8 comprise a hollow sleeve 62, an elastic pin 61 and a spring 63, the elastic pin 61 and the spring 63 are embedded into the hollow sleeve 62, one end of the spring 63 is fixedly connected with the bottom surface of the hollow sleeve 62, the other end is connected with the bottom surface of the elastic pin 61, the other end of the elastic pin 61 is fixedly connected with the air exchange sealing plate 7 or the pressure relief cover plate 9, a [ "type locking part 64 is hinged on the outer side of the cylinder wall of the hollow sleeve 62, a hinge shaft is arranged in the middle of the [" type locking part and is fixedly connected with the outer side of the cylinder wall, the upper end of the [ "type locking part 64 is a, which passes through the cylinder wall and is locked with the locking hole 67 on the elastic pin 61, the lower end of the [ -shaped locking piece 64 is a magnetic piece, the electromagnetic attraction device 66 is matched with the electromagnetic attraction device 66 arranged on the cylinder wall, the position sensor 65 is also arranged on the inner side of the cylinder wall, and the electromagnetic attraction device 66 and the sensor 65 are both electrically connected with the controller.
Further, the longitudinal ventilation channel 4 is sequentially provided with a dust removal unit, a dehumidification unit and a flammable and explosive gas detection unit in the gas path direction.
Further, the inner side plate 2 and the outer side plate 1 are made of insulating materials.
The control mode of the ring main unit is as follows:
1. under a normal state, outside air enters the longitudinal ventilation channel from the axial flow fan 3, as the direction of air flow is shown by an arrow in the attached drawing 1, at the moment, the first pressure elastic piece 6 is in an extending state, the ventilation sealing plate 7 is in an opening state, the longitudinal ventilation channel 4 is communicated with the transverse ventilation channel 5, the second pressure elastic piece is in a compression state, the pressure relief cover plate 9 is in a sealing state, and air enters the cabinet body downwards through the pressure relief port and is exhausted out of the cabinet body through the air outlet of the base, so that the heat dissipation of the electrical equipment is realized;
2. under the pressure state, because the decompression cover plate 9 is sealed at the moment, the pressure in the cabinet body applies acting force to the ventilation sealing plate 7 through the upper transverse ventilation channel, the elastic pin 61 on the first pressure elastic part 6 is compressed, when the ventilation sealing plate 7 reaches the sealing position, the elastic pin 61 contacts the position sensor 65, the locking pin at the upper end of the locking part 64 corresponds to the locking hole 67 in position, at the moment, the position sensor 65 sends a signal to the controller, the controller sends an action signal, the electromagnetic attraction device 66 applies reverse current, so that the magnetic part at the lower end of the locking part 64 is jacked up, and the locking pin is inserted into the locking hole 67, so that the locking of the first pressure elastic part 6 is realized; when the controller receives the signal that first pressure elastic component 6's position sensor sent, send signal to second pressure elastic component 8 simultaneously to start exhaust fan 12 and accelerate the gaseous discharge from the bottom of cabinet internal pressure, second pressure elastic component 8 is by locking state unblock, and the elastic pin of second pressure elastic component 8 jacks up pressure release apron 9, realizes opening of pressure release mouth.
3. When the pressure state is released, the operator only needs to reset the controller, the electromagnetic attraction device 66 of the first pressure elastic part 6 applies a positive current to attract the magnetic part, the locking pin unlocking elastic pin 61 can pop up under the action of the spring 63, and the pressure relief cover plate 9 is manually pressed to restore the locking and sealing state.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (3)
1. The utility model provides an automatic interlocking pressure release looped netowrk cabinet of control, includes the cabinet body and pressure release interlocking structure, its characterized in that: the cabinet body is of a double-layer structure consisting of an outer side plate (1) and an inner side plate (2), the outer side plate (1) and the inner side plate (2) surround a longitudinal air exchange channel (4) at the left side and the right side of the cabinet body and a transverse air exchange channel (5) at the top of the cabinet body, the longitudinal air exchange channel (4) is communicated with the transverse air exchange channel (5), an air inlet is formed in the middle of the longitudinal air exchange channel (4) and the outer side plate (1), an axial flow fan (3) is arranged in the air inlet, pressure relief openings communicated with the outside of the cabinet body are formed in the middle of the transverse air exchange channel (5), the outer side plate (1) and the inner side plate (2), a base used for air outlet is arranged at the lower part of the cabinet body, a ventilation opening communicated with the cabinet body is formed in the upper end face of the base, exhaust openings are formed in the;
the pressure relief interlocking structure comprises a first pressure elastic piece (6), a second pressure elastic piece (8), a ventilation sealing plate (7), a pressure relief cover plate (9) and a controller, wherein the ventilation sealing plate (7) is arranged at two ends of a transverse ventilation channel (5), the ventilation sealing plate (7) is vertically arranged, the upper end of the ventilation sealing plate is hinged with the inner side of a top outer side plate (1), the lower end of the ventilation sealing plate is a free end and used for sealing and isolating the communication between the transverse ventilation channel (5) and a longitudinal ventilation channel (4), the first pressure elastic piece (6) is horizontally arranged, the fixed end of the first pressure elastic piece is arranged at the inner side of an outer side plate (1) at the upper part of the longitudinal ventilation channel (4), the elastic end of the first pressure elastic piece is fixedly connected with the free end of the ventilation sealing plate (7), the pressure relief cover plate (9) covers the upper part of a pressure relief opening, the second pressure elastic piece (8) is vertically, the elastic end is fixed on the lower surface of the pressure relief cover plate (9);
the first pressure elastic part (6) and the second pressure elastic part (8) are both voltage force sensing devices, the first pressure elastic part (6) is in an extending shape in a normal state, the second pressure elastic part (8) is in a compressing shape in a normal state, the first pressure elastic part and the second pressure elastic part are both electrically connected with the controller, the controller controls whether the second pressure elastic part (8) acts or not by collecting the state of the first pressure elastic part (6), the exhaust fan (12) is electrically connected with the controller, and the exhaust fan is started in a pressure state to accelerate the exhaust of pressure gas in the cabinet body;
the structure of the first pressure elastic part (6) and the second pressure elastic part (8) comprises a hollow sleeve (62), an elastic pin (61) and a spring (63), wherein the elastic pin (61) and the spring (63) are embedded into the hollow sleeve (62), one end of the spring (63) is fixedly connected with the bottom surface of the hollow sleeve (62), the other end of the spring (63) is connected with the bottom surface of the elastic pin (61), the other end of the elastic pin (61) is fixedly connected with a ventilation sealing plate (7) or a pressure relief cover plate (9), a [ -shaped locking part (64) is hinged on the outer side of the cylinder wall of the hollow sleeve (62), a hinge shaft is arranged in the middle of the [ -shaped locking part and is fixedly connected with the outer side of the cylinder wall, the upper end of the [ -shaped locking part (64) is a locking pin and penetrates through the cylinder wall to be matched and locked with a locking hole (67) on the elastic pin (, the electromagnetic attraction device (66) is matched with the cylinder wall, the position sensor (65) is arranged on the inner side of the cylinder wall, and the electromagnetic attraction device (66) and the sensor (65) are both electrically connected with the controller.
2. The automatic control's interlocking pressure release looped netowrk cabinet of claim 1 characterized in that: the longitudinal ventilation channel (4) is sequentially provided with a dust removal unit, a dehumidification unit and a flammable and explosive gas detection unit in the gas path direction.
3. The automatic control's interlocking pressure release looped netowrk cabinet of claim 1 characterized in that: the inner side plate (2) and the outer side plate (1) are made of insulating materials.
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 |
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| CN108448474A CN108448474A (en) | 2018-08-24 |
| CN108448474B true CN108448474B (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810297995.0A Active CN108448474B (en) | 2018-03-30 | 2018-03-30 | Automatic interlocking pressure release looped netowrk cabinet of control |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110676700B (en) * | 2019-09-16 | 2021-06-22 | 浙江开元机电集团有限公司 | Electric power system with good heat dissipation effect and fire extinguishing function |
| CN110809382B (en) * | 2019-12-13 | 2020-12-11 | 深圳市畅翔机电设备有限公司 | Explosion-proof electrical cabinet |
| CN112018643B (en) * | 2020-09-05 | 2022-03-25 | 上海日盛电气有限公司 | Safety pressure relief device of switch cabinet and pressure relief method thereof |
| CN112839472B (en) * | 2020-12-30 | 2023-04-18 | 安徽天赢电气成套设备制造有限公司 | Interval heat dissipation formula regulator cubicle |
| 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 |
| 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 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN203607739U (en) * | 2013-11-28 | 2014-05-21 | 北京北开电气股份有限公司 | Pressure relief device of marine AC metal enclosing switchgear cabinet |
| CN204179508U (en) * | 2014-10-30 | 2015-02-25 | 成都科星电力电器有限公司 | A kind of pressure relief device of switch cabinet |
| CN206542077U (en) * | 2017-03-10 | 2017-10-03 | 李云蕊 | A kind of telescopic switch bottom of cabinet holder structure |
| CN206894088U (en) * | 2017-06-29 | 2018-01-16 | 上海宝灵超亚电器有限公司 | Active heat removal small distribution cabinet |
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2018
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| CN108448474A (en) | 2018-08-24 |
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Effective date of registration: 20200703 Address after: 256600 Environmental Protection Building in Binzhou City, Shandong Province, South of Yellow River Sixth Road and West of Bohai Sea Eighteenth Road Applicant after: SHANDONG HENGDONG INDUSTRY GROUP Co.,Ltd. Address before: 450000 Jinshui District, Zhengzhou City, Henan Province, 29 Floor 2907, Building 5, Business Outer Ring Applicant before: HENAN JINTU COMMERCE AND TRADE Co.,Ltd. |
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