CN111954402A - Electric control cabinet with explosion-proof function - Google Patents
Electric control cabinet with explosion-proof function Download PDFInfo
- Publication number
- CN111954402A CN111954402A CN201910412204.9A CN201910412204A CN111954402A CN 111954402 A CN111954402 A CN 111954402A CN 201910412204 A CN201910412204 A CN 201910412204A CN 111954402 A CN111954402 A CN 111954402A
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- fixedly connected
- plate
- cabinet
- electric control
- control cabinet
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- 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
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- 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
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- 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
- H05K7/20181—Filters; Louvers
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses an electric control cabinet with an explosion-proof function, which comprises a protection cabinet and an electric control cabinet, wherein mounting blocks are fixedly connected to two sides of the bottom of the inner wall of the protection cabinet, and the tops of the two mounting blocks are fixedly connected with the bottom of the electric control cabinet. This automatically controlled cabinet with explosion-proof function, the first fixed block of inside fixedly connected with through the air-supply line, first mounting groove has been seted up to the inside of first fixed block, the first slide of inner wall fixedly connected with of first mounting groove, the inside sliding connection of first slide has first fly leaf, the first sealed piece of right side fixedly connected with of first fly leaf, can be effectively when the fan breaks down, avoid outside combustible gas or combustible dust to get into the inside of automatically controlled cabinet from the inside of air-supply line, the possibility that the electric arc that the electrical equipment during operation that has avoided appearing in the automatically controlled cabinet detonated has effectively, the explosion-proof performance of automatically controlled cabinet improves, the practicality is stronger.
Description
Technical Field
The invention relates to the technical field of electric control cabinets, in particular to an electric control cabinet with an explosion-proof function.
Background
The electric control cabinet is a control cabinet (box) which is formed by assembling switch equipment, measuring instruments, protective electric appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the requirements of electric wiring, and the arrangement of the control cabinet (box) meets the requirements of normal operation of an electric power system, is convenient to overhaul, does not endanger the safety of human bodies and surrounding equipment, comprises a power distribution cabinet (distribution box) (electric appliance control cabinet) and the like, a circuit can be switched on or switched off by a manual or automatic switch in normal operation, a circuit can be switched off or an alarm can be switched off by the protective electric appliances in fault or abnormal operation, various parameters in operation can be displayed by the measuring instruments, certain electric parameters can be adjusted, and the prompting or the signal of the deviation from the normal working state is sent, and the.
The invention of China with the prior publication number of CN208338103U discloses an electric control cabinet with an explosion-proof function, which comprises an electric control cabinet main body, wherein the top of the electric control cabinet main body is provided with a ventilating duct led from the outside, the ventilating duct is communicated with the electric control cabinet main body, a fan is arranged in the electric control cabinet main body, and the fan is fixedly connected with the electric control cabinet main body, in the scheme, the fan is used for changing the pressure inside and outside the electric control cabinet main body, so that external combustible gas or combustible dust enters the electric control cabinet, the possibility of being detonated by electric arcs generated when electric equipment in the electric control cabinet works appears, but the design of the device has a defect, if the fan breaks down in the running process, the pressure difference inside the electric control cabinet disappears, so that the external combustible gas or combustible dust enters the electric control cabinet, and the possibility of being detonated by the electric arcs generated when the electric equipment in the electric control cabinet works appears, in the scheme, no treatment measures are taken when the fan fails, and in addition, the electric control cabinet used in the prior art generally adopts a cabinet body with better sealing performance, so that the heat inside the cabinet body in the use process is difficult to dissipate, and the electric appliance elements inside the electric control cabinet can possibly fail in the operation process.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an electric control cabinet with an explosion-proof function, and solves the problems that when a fan in the patent CN208338103U breaks down, the pressure difference in the electric control cabinet disappears, external combustible gas or combustible dust enters the electric control cabinet, and the possibility of being detonated by electric arc generated when electric equipment in the electric control cabinet works appears, and the electric control cabinet used in the prior art has poor heat dissipation effect of internal heat and poor practicability.
In order to achieve the purpose, the invention is realized by the following technical scheme: an electric control cabinet with an explosion-proof function comprises a protection cabinet and an electric control cabinet, wherein mounting blocks are fixedly connected to two sides of the bottom of the inner wall of the protection cabinet, the tops of the two mounting blocks are fixedly connected with the bottom of the electric control cabinet, a supporting plate is fixedly connected between two sides of the inner wall of the protection cabinet, an air blower is fixedly connected to the right side of the top of the supporting plate, one end of an air outlet of the air blower is communicated with an air inlet pipe, a first fixing block is fixedly connected to the inside of the air inlet pipe, a first mounting groove is formed in the first fixing block, a first sliding plate is fixedly connected to the inner wall of the first mounting groove, a first movable plate is slidably connected to the inside of the first sliding plate, a first sealing block is fixedly connected to the right side of the first movable plate, one end of the air inlet pipe penetrates through the supporting plate and the electric control cabinet and extends to the inside, the second mounting groove has been seted up to the inside of tuber pipe, the top fixedly connected with mounting panel of second mounting groove inner wall, the inside fixedly connected with diaphragm of mounting panel, the bottom fixedly connected with second fixed block of second mounting groove inner wall, the inside fixedly connected with second movable rod of second fixed block, the bottom fixedly connected with second slide of second mounting groove inner wall, the inside sliding connection of second slide has the second fly leaf, the top fixedly connected with third movable rod of second fly leaf, the activity hole has been seted up to the inside of second fixed block, the top and the activity hole inner wall sliding connection of third movable rod, the exhaust hole has been seted up to the inside of second fixed block, the one end in exhaust hole communicates with the inside in activity hole.
Preferably, a first fixing plate is fixedly connected between the opposite sides of the inner wall of the first mounting groove, a first movable rod is slidably connected inside the first fixing plate, one end of the first movable rod penetrates through the first fixing plate, and the first movable rod penetrates through one end of the first fixing plate and is fixedly connected with the inside of the first movable plate.
Preferably, the right side of the first fixed plate is fixedly connected with a first spring, and one end of the first spring is fixedly connected with the left side of the first movable plate.
Preferably, the top end of the third movable rod is fixedly connected with a second sealing block, the circumferential surface of the sealing block is slidably connected with the inner wall of the movable hole, and one end of the second movable rod penetrates through the second movable plate and extends to the bottom of the second movable plate.
Preferably, the bottom of the inner wall of the second mounting groove is fixedly connected with a second fixing plate, and the second movable rod extends to one end of the bottom of the second movable plate and is fixedly connected with the top of the second fixing plate.
Preferably, the top of the second fixed plate is fixedly connected with a second spring, and one end of the second spring is fixedly connected with the bottom of the second movable plate.
Preferably, the surface of the air inlet pipe is provided with a first sealing ring, the surface of the air outlet pipe is provided with a second sealing ring, and the right side of the inner wall of the air inlet pipe is provided with a filter screen.
Preferably, the front of protection cabinet articulates through the hinge has the cabinet door, the positive both sides of cabinet door fixedly connected with observation window and handle respectively, the first net of ventilating of the equal fixedly connected with in both sides at protection cabinet top, the bottom fixedly connected with second net of ventilating of protection cabinet, the bottom fixedly connected with support column of protection cabinet.
Advantageous effects
The invention provides an electric control cabinet with an explosion-proof function. Compared with the prior art, the method has the following beneficial effects:
(1) this automatically controlled cabinet with explosion-proof function, the first fixed block of inside fixedly connected with through the air-supply line, first mounting groove has been seted up to the inside of first fixed block, the first slide of inner wall fixedly connected with of first mounting groove, the inside sliding connection of first slide has first fly leaf, the first sealed piece of right side fixedly connected with of first fly leaf, the one end of air-supply line is run through backup pad and automatically controlled cabinet and is extended to the inside of automatically controlled cabinet, can avoid outside combustible gas or the inside that can burn dust got into automatically controlled cabinet from the inside of air-supply line when the fan broke down effectively, the possibility of the electric arc that the electrical equipment during operation that has avoided appearing being controlled in the cabinet explodes effectively, the practicality is stronger.
(2) The electric control cabinet with the explosion-proof function is characterized in that an air outlet pipe is fixedly connected to the bottom of the inner wall of the electric control cabinet, a second mounting groove is formed in the air outlet pipe, a mounting plate is fixedly connected to the top of the inner wall of the second mounting groove, a diaphragm is fixedly connected to the inside of the mounting plate, a second fixed block is fixedly connected to the bottom of the inner wall of the second mounting groove, a second sliding plate is fixedly connected to the bottom of the inner wall of the second mounting groove, a second movable plate is slidably connected to the inside of the second sliding plate, a third movable rod is fixedly connected to the top of the second movable plate, a movable hole is formed in the second fixed block, the top end of the third movable rod is slidably connected to the inner wall of the movable hole, an exhaust hole is formed in the second fixed block, one end of the exhaust hole is communicated with the inside of the movable hole, and, the radiating effect on the heat inside the electric control cabinet is better, and the practicability is stronger.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 2;
fig. 4 is a partial enlarged view of the invention at B in fig. 2.
In the figure: 1-protective cabinet, 2-electric control cabinet, 3-installation block, 4-support plate, 5-blower, 6-air inlet pipe, 7-first fixed block, 8-first installation groove, 9-first sliding plate, 10-first movable plate, 11-first sealing block, 12-air outlet pipe, 13-second installation groove, 14-installation plate, 15-diaphragm, 16-second fixed block, 17-second movable rod, 18-second sliding plate, 19-second movable plate, 20-third movable rod, 21-movable hole, 22-exhaust hole, 23-first fixed plate, 24-first movable rod, 25-first spring, 26-second sealing block, 27-second fixed plate, 28-second spring, 29-first sealing ring, 29-air inlet pipe, air outlet pipe, 6-air inlet pipe, 7-first fixed block, 8-first installation groove, 9-first sliding plate, 10-first movable rod, 18-second sliding plate, 19-second movable plate, 30-second sealing ring, 31-filter screen, 32-cabinet door, 33-observation window, 34-handle, 35-first ventilation net, 36-second ventilation net and 37-support column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an electric control cabinet with an explosion-proof function comprises a protection cabinet 1 and an electric control cabinet 2, wherein the front of the protection cabinet 1 is hinged with a cabinet door 32 through a hinge, two sides of the front of the cabinet door 32 are respectively and fixedly connected with an observation window 33 and a handle 34, two sides of the top of the protection cabinet 1 are respectively and fixedly connected with a first ventilation net 35, the bottom of the protection cabinet 1 is fixedly connected with a second ventilation net 36, the bottom of the protection cabinet 1 is fixedly connected with a support pillar 37, two sides of the bottom of the inner wall of the protection cabinet 1 are respectively and fixedly connected with an installation block 3, the tops of the two installation blocks 3 are respectively and fixedly connected with the bottom of the electric control cabinet 2, a support plate 4 is fixedly connected between two sides of the inner wall of the protection cabinet 1, the right side of the top of the support plate 4 is fixedly connected with an air blower 5, a working switch of the air blower 5 is controlled through a control switch arranged on the, the surface of the air outlet pipe 12 is provided with a second sealing ring 30, the first sealing ring 29 and the second sealing ring 30 are both made of rubber materials, the right side of the inner wall of the air inlet pipe 6 is provided with a filter screen 31, the interior of the air inlet pipe 6 is fixedly connected with a first fixed block 7, the interior of the first fixed block 7 is provided with a first mounting groove 8, a first fixed plate 23 is fixedly connected between the opposite sides of the inner wall of the first mounting groove 8, the right side of the first fixed plate 23 is fixedly connected with a first spring 25, one end of the first spring 25 is fixedly connected with the left side of the first movable plate 10, the interior of the first fixed plate 23 is slidably connected with a first movable rod 24, one end of the first movable rod 24 penetrates through the first fixed plate 23, one end of the first movable rod 24 penetrating through the first fixed plate 23 is fixedly connected with the interior of the first movable plate 10, the inner wall of, a first movable plate 10 is slidably connected inside the first sliding plate 9, a first sealing block 11 is fixedly connected to the right side of the first movable plate 10, one end of an air inlet pipe 6 penetrates through the support plate 4 and the electric control cabinet 2 and extends into the electric control cabinet 2, an air outlet pipe 12 is fixedly connected to the bottom of the inner wall of the electric control cabinet 2, a second mounting groove 13 is formed in the air outlet pipe 12, a second fixing plate 27 is fixedly connected to the bottom of the inner wall of the second mounting groove 13, a second spring 28 is fixedly connected to the top of the second fixing plate 27, one end of the second spring 28 is fixedly connected to the bottom of the second movable plate 19, one end of a second movable rod 17 extending to the bottom of the second movable plate 19 is fixedly connected to the top of the second fixing plate 27, a mounting plate 14 is fixedly connected to the top of the inner wall of the second mounting groove 13, a diaphragm 15 is fixedly connected to the inside of the mounting plate 14, and the diaphragm 15 enables the air, a second fixed block 16 is fixedly connected to the bottom of the inner wall of the second mounting groove 13, a second movable rod 17 is fixedly connected to the inside of the second fixed block 16, a second sliding plate 18 is fixedly connected to the bottom of the inner wall of the second mounting groove 13, a second movable plate 19 is slidably connected to the inside of the second sliding plate 18, a third movable rod 20 is fixedly connected to the top of the second movable plate 19, a second sealing block 26 is fixedly connected to the top end of the third movable rod 20, the first sealing block 11 and the second sealing block 26 are both made of rubber materials, the circumferential surface of the sealing block 26 is slidably connected to the inner wall of the movable hole 21, one end of the second movable rod 17 penetrates through the second movable plate 19 and extends to the bottom of the second movable plate 19, a movable hole 21 is formed in the second fixed block 16, the top end of the third movable rod 20 is slidably connected to the inner wall of the movable hole 21, and an exhaust hole 22 is, one end of the discharge hole 22 communicates with the inside of the movable hole 21.
When the electric air blower is used, the working switch of the air blower 5 is turned on through the controller, the air blower 5 works to blow air into the air inlet pipe 6, the air enters the inside of the first fixed block 7 to enable the first sealing block 11 to move leftwards, the first movable rod 24 moves leftwards under the action of the first spring 25, the air enters the inside of the electric control cabinet 2 through the air inlet pipe 6, heat inside the electric control cabinet 2 enters the air outlet pipe 12, the third movable rod 20 moves downwards under the action of the second movable rod 17, the second movable plate 19 and the second spring 28, the heat inside the electric control cabinet 2 is discharged through the movable holes 21 and the exhaust holes 22, the effect of dissipating heat inside the electric control cabinet 2 is achieved, when the air blower 5 breaks down, external combustible gas or combustible powder cannot enter the inside of the electric control cabinet 2, and the possibility of electric arc detonation generated when electric equipment in the electric control cabinet works is effectively avoided, the whole working principle of the electric control cabinet with the explosion-proof function is described above.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an automatically controlled cabinet with explosion-proof function, includes protection cabinet (1) and automatically controlled cabinet (2), the equal fixedly connected with installation piece (3) in both sides of protection cabinet (1) inner wall bottom, two the top of installation piece (3) all with the bottom fixed connection of automatically controlled cabinet (2), its characterized in that: the air conditioner is characterized in that a supporting plate (4) is fixedly connected between two sides of the inner wall of the protection cabinet (1), an air blower (5) is fixedly connected to the right side of the top of the supporting plate (4), one end of an air outlet of the air blower (5) is communicated with an air inlet pipe (6), a first fixed block (7) is fixedly connected to the inside of the air inlet pipe (6), a first mounting groove (8) is formed in the first fixed block (7), a first sliding plate (9) is fixedly connected to the inner wall of the first mounting groove (8), a first movable plate (10) is slidably connected to the inside of the first sliding plate (9), a first sealing block (11) is fixedly connected to the right side of the first movable plate (10), one end of the air inlet pipe (6) penetrates through the supporting plate (4) and the electric control cabinet (2) and extends to the inside of the electric control cabinet (2), and an air outlet pipe (12), the air outlet pipe is characterized in that a second mounting groove (13) is formed in the air outlet pipe (12), a mounting plate (14) is fixedly connected to the top of the inner wall of the second mounting groove (13), a diaphragm (15) is fixedly connected to the inside of the mounting plate (14), a second fixed block (16) is fixedly connected to the bottom of the inner wall of the second mounting groove (13), a second movable rod (17) is fixedly connected to the inside of the second fixed block (16), a second sliding plate (18) is fixedly connected to the bottom of the inner wall of the second mounting groove (13), a second movable plate (19) is slidably connected to the inside of the second sliding plate (18), a third movable rod (20) is fixedly connected to the top of the second movable plate (19), a movable hole (21) is formed in the inside of the second fixed block (16), and the top end of the third movable rod (20) is slidably connected to the inner wall of, an exhaust hole (22) is formed in the second fixing block (16), and one end of the exhaust hole (22) is communicated with the inside of the movable hole (21).
2. The electric control cabinet with the explosion-proof function according to claim 1, characterized in that: first fixed plate (23) of fixedly connected with between the relative one side of first mounting groove (8) inner wall, the inside sliding connection of first fixed plate (23) has first movable rod (24), first fixed plate (23) is run through to the one end of first movable rod (24) to first movable rod (24) run through the inside fixed connection of the one end of first fixed plate (23) and first fly leaf (10).
3. The electric control cabinet with the explosion-proof function according to claim 2, characterized in that: the right side of the first fixed plate (23) is fixedly connected with a first spring (25), and one end of the first spring (25) is fixedly connected with the left side of the first movable plate (10).
4. The electric control cabinet with the explosion-proof function according to claim 1, characterized in that: the top end of the third movable rod (20) is fixedly connected with a second sealing block (26), the circumferential surface of the sealing block (26) is in sliding connection with the inner wall of the movable hole (21), and one end of the second movable rod (17) penetrates through the second movable plate (19) and extends to the bottom of the second movable plate (19).
5. The electric control cabinet with the explosion-proof function according to claim 1, characterized in that: the bottom of the inner wall of the second mounting groove (13) is fixedly connected with a second fixing plate (27), and one end of the second movable rod (17) extending to the bottom of the second movable plate (19) is fixedly connected with the top of the second fixing plate (27).
6. The electric control cabinet with the explosion-proof function according to claim 5, characterized in that: the top of the second fixed plate (27) is fixedly connected with a second spring (28), and one end of the second spring (28) is fixedly connected with the bottom of the second movable plate (19).
7. The electric control cabinet with the explosion-proof function according to claim 1, characterized in that: the surface of air-supply line (6) is provided with first sealing washer (29), the surface of air-out pipe (12) is provided with second sealing washer (30), the right side of air-supply line (6) inner wall is provided with filter screen (31).
8. The electric control cabinet with the explosion-proof function according to claim 1, characterized in that: the hinge of front of protection cabinet (1) has cabinet door (32), the positive both sides difference fixedly connected with observation window (33) and handle (34) of cabinet door (32), the first net of ventilating of the equal fixedly connected with in both sides (35) at protection cabinet (1) top, the bottom fixedly connected with second net of ventilating (36) of protection cabinet (1), the bottom fixedly connected with support column (37) of protection cabinet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412204.9A CN111954402B (en) | 2019-05-17 | 2019-05-17 | Electric control cabinet with explosion-proof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412204.9A CN111954402B (en) | 2019-05-17 | 2019-05-17 | Electric control cabinet with explosion-proof function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111954402A true CN111954402A (en) | 2020-11-17 |
| CN111954402B CN111954402B (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910412204.9A Active CN111954402B (en) | 2019-05-17 | 2019-05-17 | Electric control cabinet with explosion-proof function |
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| CN (1) | CN111954402B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040144316A1 (en) * | 2003-01-24 | 2004-07-29 | Soo-Woong Lee | Apparatus for processing a substrate |
| CN107517568A (en) * | 2017-07-17 | 2017-12-26 | 潘叶萍 | A kind of intelligent heat dissipation method of electronic device control cabinet |
| CN107809124A (en) * | 2017-10-16 | 2018-03-16 | 镇江市南方工矿器材有限公司 | A kind of explosion-proof charging cabinet |
| CN208753740U (en) * | 2018-06-01 | 2019-04-16 | 合肥德捷节能环保科技有限公司 | A kind of anti-explosion electric gas holder with cooling effect |
| CN210112531U (en) * | 2019-05-17 | 2020-02-21 | 湖北欧安电气股份有限公司 | Electric control cabinet with explosion-proof function |
-
2019
- 2019-05-17 CN CN201910412204.9A patent/CN111954402B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040144316A1 (en) * | 2003-01-24 | 2004-07-29 | Soo-Woong Lee | Apparatus for processing a substrate |
| CN107517568A (en) * | 2017-07-17 | 2017-12-26 | 潘叶萍 | A kind of intelligent heat dissipation method of electronic device control cabinet |
| CN107809124A (en) * | 2017-10-16 | 2018-03-16 | 镇江市南方工矿器材有限公司 | A kind of explosion-proof charging cabinet |
| CN208753740U (en) * | 2018-06-01 | 2019-04-16 | 合肥德捷节能环保科技有限公司 | A kind of anti-explosion electric gas holder with cooling effect |
| CN210112531U (en) * | 2019-05-17 | 2020-02-21 | 湖北欧安电气股份有限公司 | Electric control cabinet with explosion-proof function |
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| CN111954402B (en) | 2021-11-02 |
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