CN112055488A - Explosion-proof box capable of opening door and cutting off power - Google Patents
Explosion-proof box capable of opening door and cutting off power Download PDFInfo
- Publication number
- CN112055488A CN112055488A CN201910486727.8A CN201910486727A CN112055488A CN 112055488 A CN112055488 A CN 112055488A CN 201910486727 A CN201910486727 A CN 201910486727A CN 112055488 A CN112055488 A CN 112055488A
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- Prior art keywords
- explosion
- proof box
- cabinet body
- pipe
- door
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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
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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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
- H05K5/0217—Mechanical details of casings
-
- 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
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
-
- 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
-
- 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
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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 explosion-proof box capable of opening a door and cutting off power, which comprises a cabinet body with an opening at one side, wherein the explosion-proof box is connected in the cabinet body in a sliding manner, an exhaust pipeline is arranged at the top in the explosion-proof box and is communicated with the outside of the explosion-proof box, an exhaust fan is arranged in the exhaust pipeline, a telescopic pipeline is arranged at one side of the exhaust pipeline, is arranged above the explosion-proof box and is communicated with the inside of the explosion-proof box, a power switch is arranged on one side wall of the explosion-proof box, a shifting device is arranged on the side surface in the cabinet body opposite to the power switch, is matched with the power switch, a conveying pipe is connected above the cabinet body and is communicated with the inside of the cabinet body, a fire extinguisher is connected at the other end of the conveying pipe. The invention has the advantages that: when the cabinet door is opened, the power switch is switched off under the action of the two poking plates, the function of automatic power off is realized, the potential safety hazard of live working is eliminated, and the cabinet door has good heat dissipation performance.
Description
Technical Field
The invention relates to the technical field of explosion prevention of electric appliances, in particular to an explosion-proof box capable of opening a door and cutting off power.
Background
Combustible and explosive dust is often generated in the production process of industrial departments such as petroleum, coal, textile, chemistry and the like, the surrounding air of the production units is often explosive due to the fact that the combustible and explosive dust is mixed, once the surrounding air is ignited by naked fire, severe explosion happens to cause serious safety accidents, electric sparks generated in the operation process of working electric equipment in the environment are one of important reasons for the accidents, because the external combustible dust often enters the interior of the electric equipment through air flow, so that once the electric equipment generates sparks, the combustible dust in the shell can be ignited to cause explosion, and meanwhile, the combustible and explosive dust in the external space can be detonated to cause serious accidents, therefore, the electric equipment in the environment of the combustible and explosive dust must be placed into a sealed explosion-proof cabinet body to prevent the combustible and explosive dust from contacting with the electric equipment, therefore, when the door is opened, the power in the explosion-proof box must be cut off. The explosion-proof box adopted at the present stage needs manual power-off when the door is opened and cannot automatically power off. And because the heat dissipation effect of the electric appliance in a sealed environment is poor, a fire disaster is possibly caused by high temperature, and certain potential safety hazards exist.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an explosion-proof box capable of opening a door and cutting off power.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an explosion-proof case that can open door outage which characterized in that: including the open cabinet body in one side, at the open explosion-proof case of the internal sliding connection of cabinet, top at explosion-proof incasement sets up exhaust duct, exhaust duct intercommunication the outside of explosion-proof case sets up the air discharge fan in exhaust duct, sets up flexible pipeline in one side of exhaust duct, and flexible pipeline sets up the top of explosion-proof case and the inside of intercommunication explosion-proof case set up switch on the lateral wall of explosion-proof case, internal at the cabinet with set up toggle device on the side that switch is relative, toggle device with the power switch cooperation sets up, connects the conveyer pipe in the top of the cabinet body, conveyer pipe intercommunication the internal portion of cabinet connects the fire extinguisher at the other end of conveyer pipe, at the articulated cabinet door in one side of cabinet body opening department, cabinet door closing cap the uncovered of the cabinet body.
Preferably, equal symmetry sets up two sliding trays on the both sides face of the internal mutual symmetry of cabinet, and two sliding trays on same side are symmetrical to each other and are set up, at two sliding blocks of equal sliding connection in every sliding tray, all connect the dead lever on every sliding block, and every dead lever all connects the corresponding corner in the outside of explosion-proof box, explosion-proof box passes through the sliding block can slide in the sliding tray, at the internal cabinet with be equipped with on the relative side of toggle device and cross the filtration pore, set up the filter screen in crossing the filtration pore, connect the rack plate at the internal top of cabinet, at the internal and open relative side of cabinet and be connected a set of spring, the other end of every spring is all connected on the side of explosion-proof box.
Preferably, a smoke sensor is arranged below the inside of the exhaust pipeline, and an electromagnetic valve is arranged on the conveying pipe.
Preferably, flexible pipeline is including being equipped with the first pipe of internal thread, and first pipe sets up explosion-proof box top, first pipe intercommunication the inside of explosion-proof box is equipped with the second pipe of external screw thread at the internal screw thread connection of first pipe, the second pipe with the conveyer pipe cooperation sets up, cup joints the gear in the outside top of second pipe, the gear with the rack plate meshing is connected, sets up the ring channel in the top port department of second pipe, sets up ring seal in the ring channel.
Preferably, the shifting device comprises a fixed plate, the fixed plate is connected to the side face in the cabinet body, the fixed plate is connected with two shifting plates, the two shifting plates are symmetrically arranged, a switch shifting rod of the power switch is arranged between the two shifting plates, and the shifting plates are L-shaped plates.
Preferably, the inner side surface of the cabinet door is connected with a rectangular frame, the rectangular frame covers the explosion-proof box in a sealing mode, and the cabinet door is connected with a rectangular sealing ring.
The invention has the advantages that: when the door of the explosion-proof box capable of opening the door and cutting off the power supply is opened, the power switch is switched off under the action of the two poking plates, so that the function of automatic power off is realized, the potential safety hazard of live working is eliminated, and the explosion-proof box has good heat dissipation performance.
Drawings
FIG. 1 is a schematic structural diagram of an explosion-proof box capable of opening a door and cutting off power supply provided by the invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 1;
fig. 4 is a diagram of the cooperation of the toggle device and the power switch.
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.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the explosion-proof box capable of opening a door and cutting off power provided by the invention comprises a cabinet body 1 with one open side, a cabinet door 10 is hinged at one open side of the cabinet body 1, and the cabinet door 10 covers the open side of the cabinet body 1.
The explosion-proof box 2 is characterized in that the explosion-proof box 2 is connected with one side opening in the cabinet body 1 in a sliding mode, two sliding grooves 1.1 are symmetrically formed in two side faces of the cabinet body 1, the two sliding grooves 1.1 are symmetrically arranged in the same side face, two sliding blocks 1.2 are connected in each sliding groove 1.1 in a sliding mode, fixing rods 1.3 are welded on each sliding block 1.2, the other end of each fixing rod 1.3 is welded at a corner corresponding to the outer side of the explosion-proof box 2, the explosion-proof box 2 passes through the sliding blocks 1.2 and can slide in the sliding grooves 1.1, a filter hole is formed in the side face, opposite to the shifting device 7, of the cabinet body 1, a filter screen 1.4 is arranged in the filter hole, namely, external air enters the cabinet body 1, and inflammable and explosive dust is filtered through the filter screen 1.4 and is blocked outside the cabinet. So that the explosion-proof box 2 in the cabinet body 1 can not contact inflammable and explosive dust.
The top welding rack board 1.5 in the cabinet body 1, the flank of tooth of rack board 1.5 orientation toggle gear 7 welds a set of spring 1.6 on the side opposite with the uncovered in the cabinet body 1, and the other end of every spring 1.6 all welds on explosion-proof box 2's side.
The inboard side welding rectangle frame 11 of cabinet door 10, the 11 closing caps of rectangle frame explosion-proof tank 2 glues rectangle sealing washer 12 on cabinet door 10 rubberizing, and rectangle sealing washer 12 is located the outside of rectangle frame 11 when cabinet door 10 is closed, can increase cabinet door 10's leakproofness, prevents that the dust from getting into the cabinet body 1 through the gap between cabinet door 10 and the cabinet body 1 in.
The top in explosion-proof case 2 sets up exhaust duct 3, and exhaust duct 3 intercommunication explosion-proof case 2's outside sets up the air discharge fan in exhaust duct 3, dispels the heat through the air discharge fan, and the screw fixation smoke sensor 3.1 is passed through to below in exhaust duct 3.
Set up flexible pipeline 5 in one side of exhaust duct 3, flexible pipeline 5 sets up explosion-proof case 2's top and the inside of intercommunication explosion-proof case 2, flexible pipeline 5 is including being equipped with the first pipe 5.1 of internal screw thread, and the welding of first pipe 5.1 is in explosion-proof case 2 top, first pipe 5.1 intercommunication explosion-proof case 2's inside is equipped with the second pipe 5.2 of external screw thread at first pipe 5.1 female connection, cup joints gear 5.3 in the outside top of second pipe 5.2, gear 5.3 with rack plate 1.5 meshing is connected, sets up the ring channel in the top port department of second pipe 5.2, sets up ring seal in the ring channel, makes second pipe 5.2 and the inside of intercommunication explosion-proof case 2
When the cabinet door 10 is closed, the explosion-proof box 2 slides towards the inner side of the cabinet body 1 under the action of the rectangular frame 11, in the sliding process of the explosion-proof box 2, the spring 1.6 is compressed, the gear 5.3 on the second circular tube 5.2 is driven by the sliding of the explosion-proof box 2 to be meshed with the rack plate 1.5 to rotate, the gear 5.3 drives the second circular tube 5.2 to rotate in the internal thread of the first circular tube 5.1, so that the thread of the second circular tube 5.2 rises, and when the cabinet door 10 is completely closed, the second circular tube 5.2 just rises to the opening of the conveying pipe 8 below; when cabinet door 10 opens, explosion-proof case 2 moves to the 1 outside direction of the cabinet body under the bounce-back effect of spring 1.6, and second pipe 5.2 descends the screw thread and breaks away from conveyer pipe 8 under the effect of gear 5.3 and rack board 1.5, makes explosion-proof case 2 can make a round trip to slide in the cabinet body 1, sets up the groove of stepping down at the opening part that conveyer pipe 8 is located the cabinet body 1 inside to set up the chamfer on the groove of stepping down, make things convenient for the removal of second pipe 5.2.
Set up switch 6 on the lateral wall of explosion-proof box 2, in the cabinet body 1 with set up toggle device 7 on the side that switch 6 is relative, toggle device 7 includes fixed plate 7.1, and fixed plate 7.1 welds on the side in the cabinet body 1, welds two stirring boards 7.2 on fixed plate 7.1, and two stirring boards 7.2 symmetry set up between two stirring boards 7.2 switch driving lever 6.1 of switch 6, stirring board 7.2 are the L template. In the process that the explosion-proof box 2 slides back and forth in the cabinet body 1, the two toggle plates 7.2 can toggle the switch toggle rod 6.1 of the power switch 6 back and forth; when the cabinet door 10 is closed, the toggle plate 7.2 toggles the switch toggle rod 6.1 to enable the power switch 6 to be opened, when the cabinet door 10 is opened, the other toggle plate 7.2 toggles the switch toggle rod 6.1 in the opposite direction to enable the power switch 6 to be closed, all power supplies are disconnected, the opening and the power failure are realized, and potential safety hazards are eliminated.
Connect conveyer pipe 8 in the top of the cabinet body 1 set up solenoid valve 8.1 on the conveyer pipe 8, conveyer pipe 8 intercommunication the cabinet body 1 is inside, passes through the exit of joint connection at the fire extinguisher 9 at the other end of conveyer pipe 8.
Solenoid valve 8.1 and below smoke sensor 3.1 all with controller signal connection, the controller is prior art, when smoke sensor 3.1 sensed smog, smoke sensor 3.1 gives the controller with signal transmission, the controller again with signal transmission for solenoid valve 8.1 and control solenoid valve 8.1 open, communicate between messenger's fire extinguisher 9 and the explosion-proof case 2, make the fire extinguishing substance in the fire extinguisher 9 can get into in the explosion-proof case 2 and put out a fire.
When the cabinet door 10 is completely closed, the explosion-proof box 2 slides towards the inner side of the cabinet body 1 under the action of the rectangular frame 11, the spring 1.6 is compressed in the sliding process of the explosion-proof box 2, the gear 5.3 on the second circular tube 5.2 is driven by the sliding of the explosion-proof box 2 to be meshed with the rack plate 1.5 to rotate, the gear 5.3 drives the second circular tube 5.2 to rotate in the internal thread of the first circular tube 5.1, so that the thread of the second circular tube 5.2 is lifted, and when the cabinet door 10 is completely closed, the second circular tube 5.2 is lifted to the opening of the conveying pipe 8 just below, so that the second circular tube 5.2 and the conveying pipe 8 are coaxially arranged and communicated;
when the cabinet door 10 is opened, the explosion-proof box 2 moves towards the outer side of the cabinet body 1 under the rebounding action of the spring 1.6, and the second circular tube 5.2 descends in a threaded manner to be separated from the conveying pipe 8 under the action of the gear 5.3 and the rack plate 1.5, so that the explosion-proof box 2 can slide back and forth in the cabinet body 1;
the explosion-proof box 2 is positioned in the cabinet body 1, when outside air enters the cabinet body 1, inflammable and explosive dust is filtered by the filter screen 1.4 and is blocked outside the cabinet body 1, so that the explosion-proof box 2 in the cabinet body 1 cannot contact the inflammable and explosive dust, and an exhaust fan is arranged at the top of the explosion-proof box 2, so that heat dissipation in the explosion-proof box 2 is facilitated;
when explosion-proof box 2 catches fire because of the accident in the use, when smoke inductor 3.1 sensed smog, smoke inductor 3.1 given the signal for the controller, and the controller gives solenoid valve 8.1 and control solenoid valve 8.1 with the signal transmission again and opens, makes intercommunication between fire extinguisher 9 and the explosion-proof box 2, makes the fire extinguishing substance in the fire extinguisher 9 can get into in explosion-proof box 2 and put out a fire.
Claims (6)
1. The utility model provides an explosion-proof case that can open door outage which characterized in that: comprises a cabinet body (1) with an opening on one side, an explosion-proof box (2) with an opening on one side is slidably connected in the cabinet body (1), an exhaust pipeline (3) is arranged at the top in the explosion-proof box (2), the exhaust pipeline (3) is communicated with the outside of the explosion-proof box (2), an exhaust fan is arranged in the exhaust pipeline (3), a telescopic pipeline (5) is arranged on one side of the exhaust pipeline (3), the telescopic pipeline (5) is arranged above the explosion-proof box (2) and is communicated with the inside of the explosion-proof box (2), a power switch (6) is arranged on one side wall of the explosion-proof box (2), a shifting device (7) is arranged on the side surface opposite to the power switch (6) in the cabinet body (1), the shifting device (7) is matched with the power switch (6), a conveying pipe (8) is connected above the cabinet body (1), and the conveying pipe (8) is communicated with the inside of the cabinet body (1), the other end of the conveying pipe (8) is connected with a fire extinguisher (9), one side of the opening of the cabinet body (1) is hinged with a cabinet door (10), and the cabinet door (10) covers the opening of the cabinet body (1).
2. An explosion-proof box capable of opening a door and cutting off power supply according to claim 1, wherein: two symmetrical side surfaces in the cabinet body (1) are symmetrically provided with two sliding grooves (1.1), two sliding grooves (1.1) on the same side surface are mutually symmetrically arranged, two sliding blocks (1.2) are respectively connected in each sliding groove (1.1) in a sliding way, each sliding block (1.2) is connected with a fixed rod (1.3), each fixed rod (1.3) is connected with a corresponding corner at the outer side of the explosion-proof box (2), the explosion-proof box (2) can slide in the sliding groove (1.1) through the sliding block (1.2), a filtering hole is arranged on the side surface of the cabinet body (1) opposite to the shifting device (7), a filter screen (1.4) is arranged in the filter hole, a rack plate (1.5) is connected with the top part in the cabinet body (1), a group of springs (1.6) are connected to the side face, opposite to the opening, in the cabinet body (1), and the other end of each spring (1.6) is connected to the side face of the explosion-proof box (2).
3. An explosion-proof box capable of opening a door and cutting off power supply according to claim 1, wherein: a smoke sensor (3.1) is arranged below the inside of the exhaust pipeline (3), and an electromagnetic valve (8.1) is arranged on the conveying pipe (8).
4. An explosion-proof box capable of opening a door and cutting off power supply according to claim 1, wherein: flexible pipeline (5) are including being equipped with internal screw thread first pipe (5.1), and first pipe (5.1) set up explosion-proof case (2) top, first pipe (5.1) intercommunication the inside of explosion-proof case (2) is equipped with second pipe (5.2) of external screw thread at first pipe (5.1) internal thread connection, second pipe (5.2) with conveyer pipe (8) cooperation sets up, cup joints gear (5.3) in the outside top of second pipe (5.2), gear (5.3) with rack plate (1.5) meshing is connected, sets up the ring channel in the top port department of second pipe (5.2), sets up ring seal in the ring channel.
5. An explosion-proof box capable of opening a door and cutting off power supply according to claim 1, wherein: toggle device (7) are including fixed plate (7.1), and fixed plate (7.1) are connected on the side in the cabinet body (1), connect two stirring board (7.2) on fixed plate (7.1), and two stirring board (7.2) symmetry set up, set up between two stirring board (7.2) switch driving lever (6.1) of switch (6), and stirring board (7.2) are the L template.
6. An explosion-proof box capable of opening a door and cutting off power supply according to claim 1, wherein: the inner side surface of the cabinet door (10) is connected with a rectangular frame (11), the rectangular frame (11) covers the explosion-proof box (2), and a rectangular sealing ring (12) is connected to the cabinet door (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910486727.8A CN112055488B (en) | 2019-06-05 | 2019-06-05 | Explosion-proof box capable of opening door and cutting off power |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910486727.8A CN112055488B (en) | 2019-06-05 | 2019-06-05 | Explosion-proof box capable of opening door and cutting off power |
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| Publication Number | Publication Date |
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| CN112055488A true CN112055488A (en) | 2020-12-08 |
| CN112055488B CN112055488B (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910486727.8A Active CN112055488B (en) | 2019-06-05 | 2019-06-05 | Explosion-proof box capable of opening door and cutting off power |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113470399A (en) * | 2021-06-28 | 2021-10-01 | 二工防爆科技股份有限公司 | Explosion-proof traffic signal lamp |
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| CN107994478A (en) * | 2017-12-20 | 2018-05-04 | 宁波宏弘智能科技有限公司 | Anti-error unlatching explosion-proof electrical distribution box |
| CN107895664A (en) * | 2018-01-10 | 2018-04-10 | 安徽金达防爆电气有限公司 | A kind of door opening electrical outage explosion-proof tank |
| CN208113153U (en) * | 2018-04-24 | 2018-11-16 | 上海多立控制工程有限公司 | One kind being used for velocity tunnel PLC console |
| CN108648935A (en) * | 2018-05-31 | 2018-10-12 | 二工防爆科技股份有限公司 | A kind of safe explosion proof control case |
| CN108695079A (en) * | 2018-05-31 | 2018-10-23 | 二工防爆科技股份有限公司 | A kind of explosion proof control case that can be automatically cut off the power |
| CN208522322U (en) * | 2018-07-10 | 2019-02-19 | 常州信息职业技术学院 | A kind of explosion-proof electronic communication power-on box |
| CN109714917A (en) * | 2018-11-26 | 2019-05-03 | 安徽吉露科技有限公司 | A kind of intelligent electric appliance cabinet that intelligence degree is high |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113470399A (en) * | 2021-06-28 | 2021-10-01 | 二工防爆科技股份有限公司 | Explosion-proof traffic signal lamp |
| CN113470399B (en) * | 2021-06-28 | 2024-02-27 | 二工防爆科技股份有限公司 | Explosion-proof traffic signal lamp |
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| CN112055488B (en) | 2022-10-14 |
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