CN110461120B - Positive pressure explosion-proof control cabinet - Google Patents
Positive pressure explosion-proof control cabinet Download PDFInfo
- Publication number
- CN110461120B CN110461120B CN201910592420.6A CN201910592420A CN110461120B CN 110461120 B CN110461120 B CN 110461120B CN 201910592420 A CN201910592420 A CN 201910592420A CN 110461120 B CN110461120 B CN 110461120B
- Authority
- CN
- China
- Prior art keywords
- cabinet body
- plate
- rotating
- bin
- staving
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/068—Hermetically-sealed casings having a pressure compensation device, e.g. membrane
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
Abstract
The invention discloses a positive pressure explosion-proof control cabinet which comprises a cabinet body, wherein a horizontally arranged partition plate is fixedly connected to the inner side of the cabinet body, the partition plate divides the inner side of the cabinet body into an upper installation bin and a lower exhaust bin, a communication hole is formed in the partition plate, one side of the lower end of the communication hole is in rotating fit with a sealing plate, a torsion spring used for controlling the reset of the sealing plate is arranged between the sealing plate and the partition plate, a group of ventilation holes are uniformly formed in one side of the cabinet body, and an inflating device is arranged on one side of the cabinet body. The invention has the advantages that: the installation bin is filled with cooled inert gas, when the air pressure in the installation bin can overcome the torsion of a torsion spring, the air pressure in the installation bin presses the sealing plate to rotate, the gas in the installation bin is discharged into the exhaust bin, heat in the installation bin is also discharged in the exhaust process, the cooling purpose is achieved, the air pressure in the installation bin is always greater than the external air pressure, and therefore the external gas cannot enter the installation bin.
Description
Technical Field
The invention relates to the technical field of electrical explosion prevention, in particular to a positive-pressure explosion-proof control cabinet.
Background
The explosion-proof control cabinet is suitable for various mechanical equipment, adopts explosion-proof control cabinet safe and reliable, and in the in-service use process, the explosion-proof control cabinet is all sealed, and the electric elements in the explosion-proof control cabinet can give off heat constantly at the during operation, makes the temperature in the explosion-proof control cabinet very high all the time in the time of the year, can reduce the life of electric elements in the explosion-proof control cabinet like this.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a positive pressure explosion-proof control cabinet.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an explosion-proof switch board of malleation, includes the cabinet body, the baffle that the internal side fixed connection level of cabinet set up, the baffle separates the internal side of cabinet for the installation storehouse on upper strata and the exhaust storehouse of lower floor, be equipped with the intercommunicating pore on the baffle, intercommunicating pore lower extreme one side normal running fit connects the closing plate, is equipped with the torsional spring that is used for controlling the closing plate to reset between closing plate and baffle cabinet body one side evenly is equipped with a set of scavenge hole, the scavenge hole with the exhaust storehouse is linked together cabinet body one side is equipped with aerating device, aerating device pass through the gas tube with the installation storehouse is linked together.
Preferably, the inflation device comprises a barrel body, a barrel opening of the barrel body is vertically arranged downwards, a piston plate is connected in the barrel body in a sliding fit mode, a spring is fixedly connected between the piston plate and the bottom of the inner side of the barrel body, a mounting plate is arranged on one side of the cabinet body, a first air cylinder is arranged on the upper side of the mounting plate, a piston rod of the first air cylinder is connected with the piston plate, an inflation pipe is arranged at the bottom of the barrel body and communicated with the barrel body, and an air inlet pipe is arranged on one side of the barrel body.
Preferably, a barrel cover is fixedly connected to a barrel opening of the barrel body, a center hole is formed in the center of the barrel cover, and a piston rod of the first cylinder penetrates through the center hole of the barrel cover.
Preferably, a rotating groove is formed in one side of the cabinet body, the ventilating holes are uniformly distributed around the rotating groove, the rotating groove is connected with a rotating shaft in a rotating fit mode, one end of the rotating shaft is fixedly connected with a rotating plate, a group of through holes are formed in the rotating plate, and the through holes and the ventilating holes are arranged in a one-to-one correspondence mode.
Preferably, the cabinet body outside symmetry sets up two dogs, and the dog is used for preventing that the axis of rotation from rotating the inslot and droing.
Preferably, the lower side of the partition board is fixedly connected with a circular pipe, and the communication hole and the sealing plate are both arranged in the circular pipe.
Preferably, the round pipe is provided with a one-way valve.
Preferably, a control valve is arranged on the inflation tube.
The invention has the advantages that: the positive pressure explosion-proof control cabinet provided by the invention fills the cooled inert gas into the mounting bin through the inflating device, when the air pressure in the mounting bin can overcome the torsion force of the torsion spring, the air pressure in the mounting bin presses the sealing plate to rotate, the gas in the mounting bin is discharged into the exhaust bin, the heat in the mounting bin is also discharged in the exhaust process, the cooling purpose is achieved, and the air pressure in the mounting bin is always greater than the external air pressure, so that the external gas cannot enter the mounting bin.
Drawings
FIG. 1 is a schematic diagram of the basic structure of the present invention;
fig. 2 is a basic structure diagram of the exhaust valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1 and 2, the positive pressure explosion-proof control cabinet provided by the invention comprises a cabinet body (1), wherein a horizontally arranged partition plate (2) is fixedly connected to the inner side of the cabinet body (1), the partition plate (2) divides the inner side of the cabinet body (1) into an upper installation bin and a lower exhaust bin, a communication hole (21) is formed in the partition plate (2), one side of the lower end of the communication hole (21) is rotatably matched with a sealing plate (22), a torsion spring for controlling the resetting of the sealing plate (22) is arranged between the sealing plate (22) and the partition plate (2), a circular tube (3) is fixedly connected to the lower side of the partition plate (2), and the communication hole (21) and the sealing plate (22) are both arranged in the circular tube (3). The round tube (3) is provided with a one-way valve (31).
The improved ventilating cabinet is characterized in that four ventilating holes (11) are uniformly formed in one side of the cabinet body (1), the ventilating holes (11) are communicated with the exhaust bin, a rotating groove is formed in one side of the cabinet body (1), the four ventilating holes (11) are uniformly distributed around the rotating groove, a rotating shaft (41) is connected in the rotating groove in a matched mode, one end of the rotating shaft (41) is fixedly connected with a rotating plate (4), four through holes (42) are formed in the rotating plate (4), and the through holes (42) and the ventilating holes (11) are arranged in a one-to-one correspondence mode. The cabinet body (1) outside symmetry sets up two dogs, and the dog is used for preventing that axis of rotation (41) from following the rotation inslot and droing. The stop dog includes connecting plate 43, and connecting plate 43 fixed connection is in cabinet body (1) one side, and connecting plate 43 one side fixed connection baffle 44, rotor plate (4) set up between baffle 44 and the cabinet body (1). The second air cylinder 45 is fixedly hinged to one side of the cabinet body (1) through the first hinged seat 452, a piston rod of the second air cylinder 45 is fixedly connected with the second hinged seat 451, the connecting rod 46 is fixedly connected to one side of the rotating plate (4), and the connecting rod 46 is fixedly hinged to the second hinged seat 451.
An inflating device is arranged on one side of the cabinet body (1), the inflating device comprises a barrel body (51), a barrel opening of the barrel body (51) is vertically arranged downwards, a barrel cover (56) is fixedly connected to the barrel opening of the barrel body (51), a center hole is formed in the center of the barrel cover (56), a piston plate (52) is connected to the barrel body (51) in a sliding fit mode, a spring (53) is fixedly connected between the piston plate (52) and the bottom of the inner side of the barrel body (51), an installing plate (54) is arranged on one side of the cabinet body (1), a first air cylinder (55) is installed on the upper side of the installing plate (54), a piston rod of the first air cylinder (55) penetrates through the center hole of the barrel cover (56), a piston rod of the first air cylinder (55) is connected with the piston plate (52), an inflating pipe (6) is arranged on the bottom of the barrel body (51), and the inflating, a control valve (61) is arranged on the inflation tube (6), and an air inlet pipe (511) is arranged on one side of the barrel body (51).
When the device is used, the air inlet pipe (511) is connected with the cooled nitrogen cylinder group, the first air cylinder (55) pushes the piston plate (52) to fill the cooled nitrogen into the installation bin, when the air pressure in the installation bin can overcome the torsion of the torsion spring, the air pressure in the installation bin presses the sealing plate 22 to rotate, the air in the installation bin is discharged into the exhaust bin, in the exhaust process, the heat in the installation bin is also discharged, the cooling purpose is achieved, and the air pressure in the installation bin is always greater than the external air pressure, so that the external air cannot enter the installation bin. After the heat dissipation is finished, the rotating plate (4) is pushed by the second air cylinder 45, so that the through hole (42) is overlapped with the ventilation hole (11), and the exhaust bin is ventilated.
Claims (6)
1. The utility model provides an explosion-proof switch board of malleation, includes the cabinet body (1), baffle (2) that the inboard fixed connection level of the cabinet body (1) set up, its characterized in that: the inner side of the cabinet body (1) is divided into an upper-layer mounting bin and a lower-layer exhaust bin by the partition plate (2), a communicating hole (21) is formed in the partition plate (2), one side of the lower end of the communicating hole (21) is connected with a sealing plate (22) in a rotating fit mode, a torsion spring used for controlling the sealing plate (22) to reset is arranged between the sealing plate (22) and the partition plate (2), a group of ventilating holes (11) are uniformly formed in one side of the cabinet body (1), the ventilating holes (11) are communicated with the exhaust bin, an inflating device is arranged on one side of the cabinet body (1), and the inflating device is communicated with the mounting bin through an inflating pipe (6);
a round pipe (3) is fixedly connected to the lower side of the partition plate (2), and the communication hole (21) and the sealing plate (22) are arranged in the round pipe (3);
the improved wardrobe is characterized in that a rotating groove is formed in one side of the wardrobe body (1), the ventilating holes (11) are uniformly distributed around the rotating groove, the rotating groove is connected with a rotating shaft (41) in a rotating matching mode, one end of the rotating shaft (41) is fixedly connected with a rotating plate (4), a group of through holes (42) are formed in the rotating plate (4), and the through holes (42) and the ventilating holes (11) are arranged in a one-to-one correspondence mode.
2. The positive pressure explosion-proof control cabinet according to claim 1, characterized in that: aerating device includes staving (51), the vertical downward setting of bung hole of staving (51) sliding fit connects piston plate (52) in staving (51) piston plate (52) with fixed connection spring (53) between staving (51) inboard bottom cabinet body (1) one side is equipped with mounting panel (54), and first cylinder (55) are equipped with to mounting panel (54) upside, the piston rod of first cylinder (55) with piston plate (52) are connected, gas tube (6) are in the barrel bottom department of staving (51) with staving (51) are linked together staving (51) one side is equipped with intake pipe (511).
3. The positive pressure explosion-proof control cabinet according to claim 2, characterized in that: a barrel cover (56) is fixedly connected to the barrel opening of the barrel body (51), a center hole is formed in the center of the barrel cover (56), and a piston rod of the first air cylinder (55) penetrates through the center hole of the barrel cover (56).
4. The positive pressure explosion-proof control cabinet according to claim 1, characterized in that: the cabinet body (1) outside symmetry sets up two dogs, and the dog is used for preventing that axis of rotation (41) from droing from rotating the inslot.
5. The positive pressure explosion-proof control cabinet according to claim 1, characterized in that: the round tube (3) is provided with a one-way valve (31).
6. The positive pressure explosion-proof control cabinet according to claim 1, characterized in that: and a control valve (61) is arranged on the inflation tube (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910592420.6A CN110461120B (en) | 2019-07-03 | 2019-07-03 | Positive pressure explosion-proof control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910592420.6A CN110461120B (en) | 2019-07-03 | 2019-07-03 | Positive pressure explosion-proof control cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110461120A CN110461120A (en) | 2019-11-15 |
| CN110461120B true CN110461120B (en) | 2020-12-15 |
Family
ID=68482005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910592420.6A Active CN110461120B (en) | 2019-07-03 | 2019-07-03 | Positive pressure explosion-proof control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110461120B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020245879A1 (en) * | 2019-06-03 | 2020-12-10 | 東芝三菱電機産業システム株式会社 | Explosion-proof structure |
| CN112366585B (en) * | 2020-11-28 | 2022-06-14 | 扬州德云电气设备集团有限公司 | Explosion-proof device of inflatable switch cabinet |
| CN112864847B (en) * | 2021-01-19 | 2023-07-14 | 佛山市博鹏电气有限公司 | Power distribution cabinet with positive pressure protection function |
| CN113322862B (en) * | 2021-06-11 | 2023-05-05 | 二工防爆科技股份有限公司 | Explosion-proof banister |
| CN113405599A (en) * | 2021-06-11 | 2021-09-17 | 二工防爆科技股份有限公司 | Explosion-proof hygrothermograph |
| CN113323469B (en) * | 2021-06-16 | 2023-05-26 | 二工防爆科技股份有限公司 | Explosion-proof parking system |
| CN113418549A (en) * | 2021-06-16 | 2021-09-21 | 二工防爆科技股份有限公司 | Explosion-proof detector |
| CN117154573A (en) * | 2023-07-25 | 2023-12-01 | 扬州市华东动力机械有限公司 | High heat dissipation nature silence power station |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004099223A (en) * | 2002-09-09 | 2004-04-02 | Renesas Technology Corp | Product storage cabinet |
| CN201461999U (en) * | 2009-07-14 | 2010-05-12 | 沈阳飞驰科技有限公司 | Exhaust valve used for a positive pressure explosion-proof cabinet |
| CN108104515B (en) * | 2018-01-10 | 2020-02-07 | 二工防爆科技股份有限公司 | Positive pressure type explosion-proof house |
| CN108770246B (en) * | 2018-05-31 | 2020-05-19 | 二工防爆科技股份有限公司 | Explosion-proof malleation cabinet of intelligence minute-pressure |
| CN109551405B (en) * | 2019-01-15 | 2020-08-04 | 蚌埠翰邦知识产权服务有限公司 | Plate glass adsorption platform |
-
2019
- 2019-07-03 CN CN201910592420.6A patent/CN110461120B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110461120A (en) | 2019-11-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110461120B (en) | Positive pressure explosion-proof control cabinet | |
| CN112103788B (en) | Intelligent modularized ring main unit | |
| CN201090463Y (en) | Improved air pump construction for inflatable mat | |
| CN202796323U (en) | Natural cooling device for transformer cabin | |
| CN113429232A (en) | Energy-concerving and environment-protective processing equipment of organic fertilizer | |
| CN211405190U (en) | Current acquisition unit cabinet with high-performance ventilation and heat dissipation assembly | |
| CN203783916U (en) | Oil-immersed type motor pump set | |
| CN204901990U (en) | Split standard type air -conditioner | |
| CN206388825U (en) | A kind of lead accumulator heat sink | |
| CN205355625U (en) | Sealed insulation construction of block terminal among distribution lines | |
| CN205101572U (en) | Closing device that admits air is concentrated in pulse | |
| CN110459964B (en) | Intelligent electrical cabinet | |
| CN209544838U (en) | A kind of operating mechanism room of sealing | |
| CN201981768U (en) | Full-open exhaust flue | |
| CN219843284U (en) | Distribution box body with warning structure | |
| CN206431471U (en) | A kind of intelligence community comprehensive energy management and control device | |
| CN205901131U (en) | Dampproofing terminal box of outdoor automatic solar heat protection of current conversion station | |
| CN220020598U (en) | Noise elimination box | |
| CN208285718U (en) | A kind of high-efficient heat-dissipating communication synthesis case | |
| CN213401991U (en) | Switch board with shock-absorbing function | |
| CN205615054U (en) | Control valve equipment of adjustable defeated outflow and pressure | |
| CN208345673U (en) | A kind of portable wheel pneumatic lifter | |
| CN205014486U (en) | Split type floor type air conditioner | |
| CN109249821A (en) | A kind of new-energy automobile charging unit of adjustable charge position | |
| CN218293877U (en) | Air inlet valve for variable frequency screw machine |
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 |