CN213522691U - Explosion-proof electrical control box - Google Patents
Explosion-proof electrical control box Download PDFInfo
- Publication number
- CN213522691U CN213522691U CN202022881453.3U CN202022881453U CN213522691U CN 213522691 U CN213522691 U CN 213522691U CN 202022881453 U CN202022881453 U CN 202022881453U CN 213522691 U CN213522691 U CN 213522691U
- Authority
- CN
- China
- Prior art keywords
- box body
- explosion
- fire extinguishing
- oil groove
- sealing
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 80
- 239000007921 spray Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 239000002390 adhesive tape Substances 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000004880 explosion Methods 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0018—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
-
- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses an explosion-proof type electrical control box belongs to electrical control equipment technical field. The control box comprises a sealing seat, a sealing cover and a box body, wherein a fire extinguishing device is fixedly arranged on the top end of the box body, the fire extinguishing device comprises a fire extinguishing container which is used for containing fire extinguishing materials and is positioned on the top surface of the box body, the fire extinguishing container is communicated with a spray head positioned on the top in the box body through a circulating pipeline, and when an external detection device detects that the environment in the box body changes, the fire extinguishing materials in the fire extinguishing container are sprayed out, so that the environment in the box body is improved, explosion or fire is avoided, and the overall safety of the explosion-proof box body is enhanced; the pretreatment device is positioned on the outer peripheral side of the box body and comprises a vacuum pump capable of extracting air in the box body to the outer side of the sealing cover in a one-way mode, the safety of the explosion-proof box can be enhanced, and potential safety hazards caused by faults of the explosion-proof box are avoided.
Description
Technical Field
The utility model relates to an electrical control box especially relates to an explosion-proof type electrical control box, belongs to electrical control equipment technical field.
Background
The electric control box is a device which comprises one or more low-voltage switch devices and related control, measurement, signal, protection, regulation and other components, and is mainly used for industrial device control, market office and other occasions. The common explosion-proof electrical control box in the prior art adopts a sealing oil groove to arrange the base in a sealing manner, but the explosion-proof electrical control box still has some potential safety hazards and defects. For example, when the sealing cover needs to be taken out of the oil tank during disassembly, assembly and maintenance, a large amount of sealing oil can be adhered to the part of the sealing cover immersed in the oil tank, and if the sealing cover is not taken properly, the sealing oil can drip everywhere; in addition, although the detection device and the alarm device installed in the existing electrical control box can detect the environmental abnormality in the box body in time and warn the abnormal environment in the box body, the staff still has great potential safety hazard when opening the box body for maintenance and inspection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an explosion-proof type electrical control box to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an explosion-proof electrical control box comprises a sealing seat, a sealing cover and a box body, wherein the sealing cover is fixedly clamped on the sealing seat in a sealing manner, the box body is fixedly clamped on the sealing seat and positioned in the sealing cover, a fire extinguishing device is fixedly arranged on the top end of the box body, and the fire extinguishing device comprises a fire extinguishing container which is used for containing fire extinguishing materials and is positioned on the top surface of the box body; a circulation pipeline communicated with the interior of the fire extinguishing container is arranged on the top surface of the box body, and a plurality of uniformly distributed spray heads are arranged at one end of the circulation pipeline positioned in the box body; and a pretreatment device is positioned on the outer peripheral side of the box body and comprises a vacuum pump capable of unidirectionally pumping air in the box body to the outer side of the sealing cover.
As a further aspect of the present invention:
the vacuum pump is fixedly arranged on the peripheral side wall of the box body, an air exhaust pipe is fixedly arranged at the air exhaust end of the vacuum pump, and the other end of the air exhaust pipe penetrates through the box body and extends into the box body; and the output end of the vacuum pump is fixedly provided with an air outlet pipe, and the other end of the air outlet pipe penetrates through the sealing cover and extends to the outer side of the sealing cover.
As a further aspect of the present invention:
and a one-way valve is fixed on the output end of the air outlet pipe in a threaded manner.
As a further aspect of the present invention:
the top surface of the box body is provided with a communication hole which is communicated with the fire extinguishing container and the circulating pipeline.
As a further aspect of the present invention:
the spray heads are formed on the inner side of the top surface of the box body, and the spray heads are communicated with the circulating pipeline.
As a further aspect of the present invention:
the sealing seat is provided with an oil groove matched with the sealing cover, and the bottom end of the sealing cover is clamped and fixed in the oil groove in a sealing manner; the sealing seat is located the inboard department of oil groove set firmly with box assorted mount pad, the bottom block of box is fixed in on the mount pad.
As a further aspect of the present invention:
all the bonding is fixed with an adhesive tape that is double-deck composite construction on two inside walls that the oil groove is relative, and this adhesive tape is including laminating in the sealing of oil groove inside wall lower half and laminating in the clearance portion of oil groove inside wall upper half, this sealing and clearance portion integrated into one piece.
As a further aspect of the present invention:
the top of clearance portion with the top entry of oil groove flushes, and the top of this clearance portion extends along the horizontal direction and forms the portion of covering, and this portion of covering can cover the notch that covers the oil groove.
As a further aspect of the present invention:
the inside of oil groove has filled the sealing oil, just the bottom block of sealed cowling sets firmly between the sealing of two adhesive tapes in the oil groove.
As a further aspect of the present invention:
an interlayer for filling sand materials is arranged in the box body.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the oil groove cleaning device, a circle of rubber strip containing a sealing part, a cleaning part and a covering part is additionally arranged at the inlet of the top end of the oil groove, the rubber strip is made of materials with elasticity such as silica gel or rubber, the covering part forms a one-way notch by utilizing the elasticity of the covering part, and when no external force is used for extrusion, the covering part can cover and cover the notch of the oil groove, so that dust or magazines are prevented from falling into the oil groove; when the sealing cover is installed, the elastic deformation of the material is utilized to extrude the sealing parts on the two side surfaces of the oil groove, so that the sealing effect can be achieved, and the sealing oil in the oil groove can be protected when the sealing cover is opened; the cleaning part at the upper end can clean dust impurities or sealing oil stains attached to the surface of the sealing cover 2 when the sealing cover 2 is inserted or taken out, so that the use stability is enhanced;
2. the utility model also has a fire extinguishing container arranged at the top of the box body, the fire extinguishing container is internally provided with fire extinguishing materials, the box body is internally provided with a spray head, the output end of the fire extinguishing container is connected with the spray head, when an external detection device detects that the environment (temperature, humidity and gas concentration) in the box body changes, the environment in the box body is improved by spraying the fire extinguishing materials in the fire extinguishing container through the spray head, explosion or fire is avoided, and the overall safety of the explosion-proof box body is enhanced;
3. the utility model discloses not only be provided with explosion-proof structure, still installed preprocessing device additional, dual combination has further strengthened explosion-proof box's security, avoids appearing the potential safety hazard because of explosion-proof box trouble, and preprocessing device adopts the vacuum pump, and when internal environment anomaly is detected to inside detection device, can be through opening the vacuum pump, take out into vacuum state in with the box, make a difficult box environment that explodes.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial sectional structure of the middle box body of the present invention;
FIG. 3 is a schematic view of the axial view structure of the middle seal seat of the present invention
Fig. 4 is an enlarged detail view of a part a of fig. 1.
In the figure:
1. a sealing seat; 11. an oil sump; 12. a mounting seat; 13. an adhesive tape;
2. a sealing cover; 21. an inflation inlet;
3. a box body; 301. a communicating hole; 31. an interlayer;
4. a fire extinguishing device; 41. a fire extinguishing container; 42. a flow conduit; 43. a spray head;
5. a pretreatment device; 51. a vacuum pump; 52. an air exhaust pipe; 53. an air outlet pipe; 54. a one-way valve.
Detailed Description
Referring to fig. 1 to 4, an explosion-proof electrical control box is described in detail in this embodiment. This explosion-proof type electrical apparatus includes seal receptacle 1, sealed cowling 2 and box 3, and 2 sealed block of sealed cowling set firmly on seal receptacle 1, and 3 blocks of box are fixed in on the seal receptacle 1 and are located the inside of sealed cowling 2.
The specific arrangement mode of the sealing cover 2 is as follows: an oil groove 11 matched with the sealing cover is formed in the sealing seat 1, and the bottom end of the sealing cover 2 is clamped and fixed in the oil groove in a sealing mode. The sealing cover 2 is fixed in a sealing and clamping way as follows: all the bonding is fixed with one and is double-deck composite construction's adhesive tape 13 on 11 relative two inside walls of oil groove, and this adhesive tape is including laminating in the sealing of oil groove inside wall lower half and laminating in the clearance portion of oil groove inside wall first, this sealing and clearance portion integrated into one piece. Wherein the top of clearance portion with the top entry of oil groove flushes, and the top of this clearance portion extends along the horizontal direction and forms the portion of covering, and this portion of covering can cover the notch that covers the oil groove. The rubber strip with the sealing part, the cleaning part and the covering part is additionally arranged at the inlet of the top end of the oil groove, the rubber strip is made of materials with elasticity such as silica gel or rubber, the covering part forms a one-way notch by utilizing the elasticity of the covering part, and when no external force is used for extrusion, the covering part can cover the notch of the oil groove to prevent dust or magazines from falling into the oil groove; when the sealing cover is installed, the elastic deformation of the material is utilized to extrude the sealing parts on the two side surfaces of the oil groove, so that the sealing effect can be achieved, and the sealing oil in the oil groove can be protected when the sealing cover is opened; the cleaning part at the upper end can clean dust impurities or sealing oil stains attached to the surface of the sealing cover 2 when the sealing cover 2 is inserted or taken out, and the use stability is enhanced.
The inside of oil groove 11 is filled with sealing oil, and the bottom block of sealed cowling sets firmly between the clearance adhesive tape of two adhesive tapes in the oil groove, and the use of sealing oil can make sealed effect of sealed cowling 2 better stronger. Further, an air charging port 21 is formed on the outer side of the peripheral wall of the seal cover 2.
The specific setting mode of the box body 3 is as follows: the inboard department that lies in the oil groove on the seal receptacle 1 sets firmly with box assorted mount pad 12, on the bottom block of box 3 was fixed in the mount pad. Furthermore, the interior of the box 3 is provided with a barrier 31 for a sand-filled material, which ensures that the surrounding explosive mixture will not ignite in the event of an arc, a flame, overheating of the housing wall or of the surface of the sand material in the box under the conditions of intended use.
A fire extinguishing device 4 is fixedly arranged on the top end of the box body 3. The fire extinguishing apparatus includes a fire extinguishing container 41 for containing fire extinguishing material and located on the top surface of the case, a flow pipe 42 communicating with the inside of the fire extinguishing container 41 is provided on the top surface of the case 3, and a communication hole 301 communicating the fire extinguishing container 41 and the flow pipe 42 is further provided on the top surface of the case 3. In this particular embodiment, both the flow conduit 42 and the communication hole 301 are provided inside the top wall of the tank 3, wherein the communication hole 301 opens close to the upper surface of the top wall of the tank, wherein the flow conduit 42 opens close to the lower surface of the top wall of the tank. In addition, one end of the circulation pipeline 42 inside the box 3 is provided with a plurality of spray heads 43 which are uniformly distributed, specifically, the plurality of spray heads 43 are formed on the inner side of the top surface of the box 3, and the plurality of spray heads are all communicated with the circulation pipeline. Thus, the fire extinguishing material flows from the inside of the fire extinguishing container through the communication hole 301 and the flow pipe 42 in this order, enters the spray head 43, and is sprayed from the spray head into the inside of the case 3.
A pretreatment device 5 including a vacuum pump 51 capable of unidirectionally pumping air inside the casing 3 to the outside of the sealing cover 2 is positioned on the outer peripheral side of the casing 3. The concrete setting structure is as follows: the vacuum pump 51 is fixedly arranged on the peripheral side wall of the box body 3, an air exhaust pipe 52 is fixedly arranged at the air exhaust end of the vacuum pump, and the other end of the air exhaust pipe penetrates through the box body and extends into the box body; an outlet pipe 53 is fixedly arranged at the output end of the vacuum pump 51, and the other end of the outlet pipe penetrates through the sealing cover and extends to the outer side of the sealing cover. Meanwhile, a check valve 54 is threadedly fixed to an output end of the outlet pipe 53. The pretreatment device can utilize the air suction pipe 52 to suck the air in the box body 3, and then the sucked air is discharged out of the box body 3 through the air outlet pipe 53, and meanwhile, the one-way valve 54 can avoid air backflow.
The utility model discloses a theory of operation is:
when the device is used, sealing oil is injected into the oil groove 11, and then the box body 3 is installed on the installation seat 12 of the sealing seat 1 to complete the installation and fixation of the box body 3; then the fire extinguishing container 41 of the fire extinguishing device 4 is arranged above the box body 3, and the installation and fixation of the fire extinguishing device 4 are completed by combining the circulating pipeline 42 and the spray head 43 arranged at the top end inside the box body 3; and finally, clamping the sealing cover 2 into the oil groove 11 of the sealing seat 1 to complete the installation and fixation of the explosion-proof electrical control box. An environment monitoring device is arranged in the box body 3, and when the environment in the box body 3 is detected to be abnormal, such as the temperature, the humidity, the gas concentration and the like are changed, workers can be warned through an alarm. The working personnel opens the pretreatment device 5, the box body 3 is vacuumized by using the exhaust pipe 52 of the vacuum pump 51, the exhausted air is exhausted by using the air outlet pipe 53, so that a vacuum environment is formed in the box body 3, the box body environment which is not easy to explode is formed, and at the moment, the sealing cover 2 is opened again to overhaul the box body 3; if a short-circuit spark or other abnormal conditions are found, the fire extinguishing device 4 can be opened, the fire extinguishing material in the fire extinguishing container 41 is sprayed out from the spray head 43 through the flow pipeline 42 and sprayed to each corner in the box body 3, the environment in the box body 3 is improved by spraying the fire extinguishing material in the fire extinguishing container 41 through the spray head 43, explosion or fire is avoided, and the overall safety of the explosion-proof box body 3 is enhanced.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides an explosion-proof type electrical control box, includes seal receptacle (1), sealed cowling (2) and box (3), sealed cowling sealed block sets firmly on the seal receptacle, the box block is fixed in on the seal receptacle and is located inside the sealed cowling, its characterized in that: a fire extinguishing device (4) is fixedly arranged on the top end of the box body (3), and comprises a fire extinguishing container (41) which is used for containing fire extinguishing materials and is positioned on the top surface of the box body; a circulation pipeline (42) communicated with the interior of the fire extinguishing container (41) is arranged on the top surface of the box body (3), and a plurality of uniformly distributed spray heads (43) are arranged at one end of the circulation pipeline (42) positioned in the box body (3); a pretreatment device (5) is positioned on the outer peripheral side of the box body (3), and the pretreatment device comprises a vacuum pump (51) which can unidirectionally pump air in the box body (3) to the outer side of the sealing cover (2).
2. An explosion-proof type electric control box according to claim 1, characterized in that: the vacuum pump (51) is fixedly arranged on the peripheral side wall of the box body (3), an air exhaust pipe (52) is fixedly arranged at the air exhaust end of the vacuum pump, and the other end of the air exhaust pipe penetrates through the box body and extends into the box body; and the output end of the vacuum pump (51) is fixedly provided with an air outlet pipe (53), and the other end of the air outlet pipe penetrates through the sealing cover and extends to the outer side of the sealing cover.
3. An explosion-proof type electric control box according to claim 2, characterized in that: the output end of the air outlet pipe (53) is fixedly connected with a one-way valve (54) in a threaded manner.
4. An explosion-proof type electric control box according to claim 1, characterized in that: the top surface of the box body (3) is provided with a communication hole (301) which is communicated with the fire extinguishing container (41) and the circulating pipeline (42).
5. An explosion-proof type electric control box according to claim 4, characterized in that: the spray heads (43) are formed on the inner side of the top surface of the box body (3), and the spray heads are communicated with the circulation pipeline.
6. An explosion-proof type electric control box according to claim 1, characterized in that: an oil groove (11) matched with the sealing cover is formed in the sealing seat (1), and the bottom end of the sealing cover (2) is clamped and fixed in the oil groove in a sealing mode; the sealing seat (1) is located on the inner side of the oil groove, the mounting seat (12) matched with the box body is fixedly arranged on the inner side of the oil groove, and the bottom end of the box body (3) is clamped and fixed on the mounting seat.
7. An explosion-proof type electric control box according to claim 6, characterized in that: all bond fixedly on two inside walls that oil groove (11) is relative adhesive tape (13) that are double-deck composite construction, this adhesive tape is including laminating in the sealing of oil groove inside wall lower half and laminating in the clearance portion of oil groove inside wall first, this sealing and clearance portion integrated into one piece.
8. An explosion-proof type electric control box according to claim 7, characterized in that: the top of clearance portion with the top entry of oil groove flushes, and the top of this clearance portion extends along the horizontal direction and forms the portion of covering, and this portion of covering can cover the notch that covers the oil groove.
9. An explosion-proof type electric control box according to claim 8, characterized in that: the inside of oil groove (11) is filled with sealing oil, just the bottom block of sealed cowling sets firmly between the sealing of two adhesive tapes in the oil groove.
10. An explosion-proof type electric control box according to claim 1, characterized in that: an interlayer (31) for filling sand materials is arranged in the box body (3).
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022881453.3U CN213522691U (en) | 2020-12-04 | 2020-12-04 | Explosion-proof electrical control box |
DE202021105633.9U DE202021105633U1 (en) | 2020-12-04 | 2021-09-10 | Explosion proof electrical control box |
PCT/CN2021/117811 WO2022116636A1 (en) | 2020-12-04 | 2021-09-10 | Explosion-proof electrical control box |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022881453.3U CN213522691U (en) | 2020-12-04 | 2020-12-04 | Explosion-proof electrical control box |
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CN213522691U true CN213522691U (en) | 2021-06-22 |
Family
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Family Applications (1)
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CN202022881453.3U Active CN213522691U (en) | 2020-12-04 | 2020-12-04 | Explosion-proof electrical control box |
Country Status (3)
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CN (1) | CN213522691U (en) |
DE (1) | DE202021105633U1 (en) |
WO (1) | WO2022116636A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022116636A1 (en) * | 2020-12-04 | 2022-06-09 | 帕格曼科技(太仓)有限公司 | Explosion-proof electrical control box |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114828481B (en) * | 2022-04-25 | 2024-01-30 | 武汉船用机械有限责任公司 | Electric cabinet with explosion detection function and application method thereof |
CN117081300B (en) * | 2023-08-17 | 2024-03-15 | 上海风进电机有限公司 | Explosion-proof motor with dust-proof function in working area |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN207562240U (en) * | 2017-10-09 | 2018-07-03 | 深圳市保艺源文化传播有限公司 | Throwing type fire extinguishing experience case |
US10297997B1 (en) * | 2018-02-22 | 2019-05-21 | Michael S. Wiese | Water-proofing and fire-proofing combined flashing and electrical junction box system |
CN110267476B (en) * | 2019-06-26 | 2020-10-16 | 国网河南省电力公司方城县供电公司 | Power equipment box with fire prevention function |
CN210779526U (en) * | 2019-10-25 | 2020-06-16 | 郑州科技学院 | Electric distribution box with from function of putting out a fire |
CN210905327U (en) * | 2019-10-26 | 2020-07-03 | 任道环保科技(苏州)有限公司 | Explosion-proof dust remover |
CN112492809A (en) * | 2020-12-04 | 2021-03-12 | 帕格曼科技(太仓)有限公司 | Explosion-proof electrical control box |
CN213522691U (en) * | 2020-12-04 | 2021-06-22 | 帕格曼科技(太仓)有限公司 | Explosion-proof electrical control box |
-
2020
- 2020-12-04 CN CN202022881453.3U patent/CN213522691U/en active Active
-
2021
- 2021-09-10 WO PCT/CN2021/117811 patent/WO2022116636A1/en active Application Filing
- 2021-09-10 DE DE202021105633.9U patent/DE202021105633U1/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022116636A1 (en) * | 2020-12-04 | 2022-06-09 | 帕格曼科技(太仓)有限公司 | Explosion-proof electrical control box |
Also Published As
Publication number | Publication date |
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DE202021105633U1 (en) | 2021-11-16 |
WO2022116636A1 (en) | 2022-06-09 |
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