CN116581646A - Fireproof structure of electrical equipment - Google Patents
Fireproof structure of electrical equipment Download PDFInfo
- Publication number
- CN116581646A CN116581646A CN202211537229.XA CN202211537229A CN116581646A CN 116581646 A CN116581646 A CN 116581646A CN 202211537229 A CN202211537229 A CN 202211537229A CN 116581646 A CN116581646 A CN 116581646A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- distribution box
- fire protection
- dry powder
- protection structure
- 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.)
- Pending
Links
- 239000000843 powder Substances 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000012188 paraffin wax Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to the technical field of electrical equipment, in particular to a fireproof structure of electrical equipment, which comprises a distribution box body, a door plate, a dry powder storage device and a plugging structure, wherein a chute is formed in the inner wall of a limit hole formed in the upper end of the distribution box body, the plugging structure is arranged on the inner side of the chute, the dry powder storage device is arranged at the upper end of the plugging structure, an upper cover is arranged at the upper end of the dry powder storage device and is fixedly connected with a threaded hole in a screwed manner through a standard bolt, the door plate is arranged on the right side of the front end of the distribution box body, and the upper end of the door plate is connected with a power device.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a fireproof structure of electrical equipment.
Background
The electrical equipment is a general name of equipment such as a generator, a transformer, a power line, a circuit breaker and the like in an electric power system, the distribution box also belongs to one of the electrical equipment, the inside of the traditional distribution box is cooled by a ventilation device in order to avoid internal ignition, meanwhile, the temperature inside the distribution box is monitored by an electronic element, the effect of fire prevention is achieved, and some distribution box fire prevention structures are structures for preventing the influence of external ignition of the distribution box on the distribution box;
however, the existing distribution box is not provided with a device for protecting combustion caused by electrical self reasons, because the distribution box is provided with more circuits, electrical accidents such as short circuit, overload and electric leakage occur in the distribution box, or the problem that the distribution box is easy to catch fire when the distribution box is improperly installed and electrical contact is bad to generate electric arcs and electric sparks is constructed, if the distribution box cannot be timely put out, fire spreading is easy to be caused, and larger loss is caused, so that the fireproof structure of the electrical equipment is provided for the problem.
Disclosure of Invention
The invention aims to provide a fireproof structure of electrical equipment, which aims to solve the problem that fire spreading is caused by incapability of timely extinguishing when the interior of a distribution box catches fire.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an electrical equipment's fire prevention structure, includes block terminal body, door plant, dry powder storage device and plugging structure, the spout has been seted up to spacing hole inner wall that the block terminal body upper end was seted up, the spout inboard is equipped with the plugging structure, the plugging structure upper end is equipped with dry powder storage device, dry powder storage device upper end is equipped with the upper cover, the upper cover passes through standard bolt and screw hole screwed connection to be fixed in block terminal body upper end, block terminal body front end right side is equipped with the door plant, door plant upper end and power device are connected.
The dry powder storage device comprises a storage box, wherein the inner side of the storage box is provided with four placing cavities, the bottom of each placing cavity is provided with an opening, and stirring rods are arranged on the inner side of each placing cavity.
The power device further comprises a door plate limiting shaft, a first bevel gear is fixedly connected to the outer side of the top end of the door plate limiting shaft, the upper end of the first bevel gear is meshed with a second bevel gear, a rotating shaft is fixedly connected to the middle of the inner side of the second bevel gear, a driving gear is fixedly connected to the outer side of the rear end of the rotating shaft, the driving gear is rotationally connected with a driven gear through a belt, and the driven gear is fixedly connected with the front end of the stirring rod.
According to the invention, the door plate limiting shaft is fixedly connected with the door plate, the door plate limiting shaft is rotationally connected with the distribution box body, the rotating shaft is rotationally connected to the inner side of the upper end of the distribution box body, and the door plate is rotationally connected with the distribution box body.
The invention is further optimized, the plugging structure comprises a plugging plate, the upper end of the plugging plate is fixedly connected with a sealing washer and a sealing strip, the inner side of the plugging plate is provided with a discharge hole, the front end and the rear end of the plugging plate are fixedly connected with fixed blocks, the fixed blocks are slidably connected to the inner side of the chute through telescopic springs, and the left end of the plugging plate is fixedly connected with an expansion pipe.
According to the invention, the discharge holes and the openings at the lower end of the placing cavity are arranged in a staggered mode, the number of the discharge holes is four, and the plugging plates are tightly attached to the bottom end of the storage box through the sealing gasket and the sealing strip.
According to the invention, the expansion pipe comprises a fixed column shell, the inner side of the left end of the fixed column shell is connected with a moving rod in a sliding manner through a telescopic spring, paraffin is arranged between the moving rod and the fixed column shell, and heat conducting grooves are formed in the inner sides of the upper end and the lower end of the fixed column shell.
According to the invention, a heat dissipation device is fixedly connected to the bottom end of the distribution box body, the heat dissipation device comprises a U-shaped pipe, a fan is arranged on the upper side of the right end of the U-shaped pipe, an air duct is fixedly connected to the inner side of the bottom end of the U-shaped pipe, a fixing seat is fixedly connected to the lower side of the right end of the U-shaped pipe, a rotating rod is rotatably connected to the inner side of the fixing seat, an air guiding impeller and a driven impeller are sequentially and fixedly connected to the rotating rod from left to right, liquid water is arranged on the inner side of the bottom end of the U-shaped pipe, and filtering structures are fixedly connected to the inner sides of the left end and the right end of the U-shaped pipe; the filter structure comprises a filter screen protective shell, and the filter screen protective shell is sequentially and fixedly connected with a dust filter screen and a drying screen plate from top to bottom.
According to the invention, the air guide impeller is arranged at the inner side of the air duct, the air duct is arranged at the upper end of the liquid water, and the bottom end of the driven impeller is in contact with the liquid water.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the dry powder storage device and the plugging structure are arranged, so that the fire disaster can be timely extinguished when the fire disaster occurs in the distribution box, and further the problem that the fire disaster spreads to the outside of the distribution box due to the fact that the inside of the distribution box is spread to cause larger economic loss can be avoided;
2. according to the invention, through the power device and the door plate, the stirring rod can be driven to stir the dry powder placed in the placing cavity in the process of opening and closing the door plate, so that the problem that the dry powder in the placing cavity is coagulated and cannot be completely poured out from the placing cavity can be prevented;
3. according to the invention, through the heat dissipation device, when the external temperature is higher, the temperature difference between the subsurface temperature and the above-ground temperature is utilized to cool the inside of the distribution box, so that the distribution box can work normally when the external temperature is higher, and the distribution box has good practical value.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a dry powder storage device according to the present invention;
FIG. 3 is a schematic illustration of a plugging structure according to the present invention;
FIG. 4 is a schematic view of an expansion pipe structure according to the present invention;
FIG. 5 is a schematic view of a door panel according to the present invention;
FIG. 6 is a schematic view of the internal structure of the U-shaped tube of the present invention;
FIG. 7 is a schematic view of the installation position of the dust filter screen of the present invention.
In the figure: the device comprises a 1-distribution box body, a 2-door plate, a 3-limiting hole, a 4-dry powder storage device, a 401-storage box, a 402-placing cavity, a 403-stirring rod, a 5-power device, a 501-door plate limiting shaft, a 502-first bevel gear, a 503-rotating shaft, a 504-second bevel gear, a 505-driving gear, a 506-belt, a 507-driven gear, a 6-blocking structure, a 601-blocking plate, a 602-sealing gasket, a 603-sealing strip, a 604-discharging hole, a 605-fixing block, a 606-telescopic spring, a 607-expansion pipe, a 6071-fixing column shell, a 6072-moving rod, a 6073-telescopic spring, 6074-paraffin, a 6075-heat conducting groove, a 7-sliding groove, an 8-threaded hole, a 9-heat dissipation device, a 901-U-shaped pipe, a 902-fan, a 903-filter screen protecting shell, a 904-filter screen, a 905-drying screen, a 906-fixing seat, a 907-rotating rod, a 908-driven impeller, 909-liquid water, a 910-air duct, a 911-air guide impeller and a 10-upper cover.
Detailed Description
Example 1:
referring to fig. 1-7, the present invention provides a technical solution:
the utility model provides an electrical equipment's fire prevention structure, including block terminal body 1, door plant 2, dry powder storage device 4 and plugging structure 6, spout 7 has been seted up to spacing hole 3 inner wall that block terminal body 1 upper end was seted up, spout 7 inboard is equipped with plugging structure 6, plugging structure 6 upper end is equipped with dry powder storage device 4, dry powder storage device 4 upper end is equipped with upper cover 10, upper cover 10 passes through standard bolt and screw hole 8 screwed connection fixes in block terminal body 1 upper end, block terminal body 1 front end right side is equipped with door plant 2, door plant 2 upper end and power device 5 are connected.
1-5, the dry powder storage device 4 comprises a storage box 401, wherein a placement cavity 402 is formed in the inner side of the storage box 401, the number of the placement cavities 402 is four, the bottom of the placement cavity 402 is provided with an opening, stirring rods 403 are arranged in the inner side of the placement cavity 402, dry powder can be stably placed in the actual use process and simultaneously stirred through the stirring rods 403, and further the problem of coagulation caused by long dry powder placement time can be prevented; the power device 5 comprises a door plate limiting shaft 501, a first bevel gear 502 is fixedly connected to the outer side of the top end of the door plate limiting shaft 501, the upper end of the first bevel gear 502 is meshed with a second bevel gear 504, a rotating shaft 503 is fixedly connected to the middle of the inner side of the second bevel gear 504, a driving gear 505 is fixedly connected to the outer side of the rear end of the rotating shaft 503, the driving gear 505 is rotationally connected with a driven gear 507 through a belt 506, the driven gear 507 is fixedly connected with the front end of a stirring rod 403, and the stirring rod 403 can be driven to rotate in the opening and closing process of the door plate 2 in the actual use process, so that the device has a good driving effect; the door plate limiting shaft 501 is fixedly connected with the door plate 2, the door plate limiting shaft 501 is rotationally connected with the power distribution box body 1, the rotating shaft 503 is rotationally connected to the inner side of the upper end of the power distribution box body 1, the door plate 2 is rotationally connected with the power distribution box body 1, the stability of connection between the door plate 2 and the power device 5 can be ensured in the actual use process, and the integral transmission effect of the power device 5 is further ensured; the plugging structure 6 comprises a plugging plate 601, wherein the upper end of the plugging plate 601 is fixedly connected with a sealing gasket 602 and a sealing strip 603, the inner side of the plugging plate 601 is provided with a discharge hole 604, the front end and the rear end of the plugging plate 601 are fixedly connected with fixed blocks 605, the fixed blocks 605 are slidably connected to the positions of the inner sides of the sliding grooves 7 through telescopic springs 606, the left end of the plugging plate 601 is fixedly connected with an expansion pipe 607, and the positions of the bottom ends of the dry powder storage devices 4 can be plugged when the temperature inside the distribution box is normal; the discharge holes 604 and the openings at the lower end of the placing cavity 402 are arranged in a staggered manner, the number of the discharge holes 604 is four, and the plugging plate 601 is tightly attached to the bottom end of the storage box 401 through the sealing gasket 602 and the sealing strip 603, so that the tightness of the connection between the plugging structure 6 and the dry powder storage device 4 can be ensured; the expansion pipe 607 comprises a fixed column shell 6071, the inner side of the left end of the fixed column shell 6071 is slidably connected with a moving rod 6072 through a telescopic spring 6073, paraffin 6074 is arranged between the moving rod 6072 and the fixed column shell 6071, heat conduction grooves 6075 are formed in the inner sides of the upper end and the lower end of the fixed column shell 6071, and the plugging plate 601 can be pushed to move through the principle that the paraffin 6074 of the expansion pipe 607 expands at high temperature;
referring to fig. 1, 6 and 7, a heat dissipating device 9 is fixedly connected to the bottom end of a distribution box 1, the heat dissipating device 9 includes a U-shaped tube 901, a fan 902 is disposed on the upper side of the right end of the U-shaped tube 901, an air duct 910 is fixedly connected to the inner side of the bottom end of the U-shaped tube 901, a fixing seat 906 is fixedly connected to the lower side of the right end of the U-shaped tube 901, a rotating rod 907 is rotatably connected to the inner side of the fixing seat 906, a wind guiding impeller 911 and a driven impeller 908 are sequentially and fixedly connected to the rotating rod 907 from left to right, liquid water 909 is disposed on the inner side of the bottom end of the U-shaped tube 901, and filtering structures are fixedly connected to the inner sides of the left end and the right end of the U-shaped tube 901; the filter structure comprises a filter screen protective shell 903, the filter screen protective shell 903 is sequentially and fixedly connected with a dust filter screen 904 and a drying screen 905 from top to bottom, and the inside of the distribution box 1 can be radiated by utilizing the underground temperature when the external temperature is higher, so that the whole mechanism is simpler, the application range is wider, and the popularization difficulty is further reduced; the air guide impeller 911 is arranged at the inner side of the air duct 910, the air duct 910 is arranged at the upper end of the liquid water 909, the bottom end of the driven impeller 908 is contacted with the liquid water 909, the stability of the whole structure inside the heat radiator 9 and the rationality of the layout can be ensured in the actual use process, and the heat radiator is worthy of wide popularization and use.
The working flow is as follows: in the process of producing and installing a fireproof structure of electrical equipment, particularly a fireproof structure of an electrical distribution box; firstly, the staff needs to install the blocking structure 6 at the inboard position of block terminal 1 upper end, then the staff needs to fix the position of block terminal 6 upper end with dry powder storage device 4 through power device 5, after the installation is placed, the staff uses standard bolt to cover upper cover 10 in the position of block terminal 1 upper end, such setting can carry out stable sealedly to dry powder storage device 4 through the upper cover 10 that sets up, after the installation is accomplished, in actual use: when the inside of the distribution box body 1 breaks down to cause the temperature in the distribution box body 1 to rise sharply (more than 60 ℃), paraffin 6074 arranged in the expansion pipe 607 can expand and push the plugging plate 601 to move rightwards and align a discharge hole 604 formed in the inner side of the plugging plate 601 with an opening formed in the lower end of the placing cavity 402, so that dry powder placed in the placing cavity 402 can be poured into the distribution box body 1, and further fire disaster can be prevented and the fire disaster which has occurred can be extinguished, a good fireproof effect is achieved, meanwhile, in the whole use process of the device, when a worker opens the door plate 2 to maintain and check the distribution box, the stirring rod 403 in the placing cavity 402 can be driven to rotate through the power device 5, and then dry powder in the placing cavity 402 can be stirred through the stirring rod 403, and the dry powder is placed in the placing cavity 402 for a long time, so that the dry powder is condensed together; in this way, the dry powder in the placing cavity 402 can be ensured to be completely poured out when the discharging hole 604 is aligned with the opening formed at the lower end of the placing cavity 402;
meanwhile, the upper end of the U-shaped pipe 901 and the lower end of the distribution box body 1 which are pre-buried underground are required to be connected in the process of installing the distribution box body 1, the air underground can be brought into the distribution box body 1 through the fan 902 to cool in the actual use process, the temperature inside the distribution box body 1 can be cooled by utilizing the underground temperature when the external temperature is higher, and further the problem that the distribution box fails inside the distribution box due to the fact that the internal temperature is higher in the actual use process can be avoided, so that the distribution box has good practical value.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. The foregoing is merely illustrative of the preferred embodiments of this invention, and it is noted that there is objectively no limit to the specific structure disclosed herein, since numerous modifications, adaptations and variations can be made by those skilled in the art without departing from the principles of the invention, and the above-described features can be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present invention.
Claims (9)
1. A fire protection structure for an electrical device, characterized by: including block terminal body (1), door plant (2), dry powder storage device (4) and shutoff structure (6), its characterized in that: the utility model discloses a power distribution box, including power distribution box (1), power plant, door plant, power plant, spout (2) are equipped with in limit hole (3) inner wall that power distribution box (1) upper end was seted up, spout (7) inboard is equipped with plugging structure (6), plugging structure (6) upper end is equipped with dry powder storage device (4), dry powder storage device (4) upper end is equipped with upper cover (10), upper cover (10) are fixed in power distribution box (1) upper end through standard bolt and screw hole (8) screwed connection, power distribution box (1) front end right side is equipped with door plant (2), door plant (2) upper end and power plant (5) are connected.
2. A fire protection structure for an electrical device as claimed in claim 1, wherein: the dry powder storage device (4) comprises a storage box (401), a placing cavity (402) is formed in the inner side of the storage box (401), the number of the placing cavities (402) is four, the bottom of the placing cavities (402) is provided with an opening, and stirring rods (403) are arranged in the inner side of the placing cavities (402).
3. A fire protection structure for an electrical device as claimed in claim 1, wherein: the power device (5) comprises a door plate limiting shaft (501), a first bevel gear (502) is fixedly connected to the outer side of the top end of the door plate limiting shaft (501), the upper end of the first bevel gear (502) is meshed with a second bevel gear (504), a rotating shaft (503) is fixedly connected to the middle of the inner side of the second bevel gear (504), a driving gear (505) is fixedly connected to the outer side of the rear end of the rotating shaft (503), the driving gear (505) is rotationally connected with a driven gear (507) through a belt (506), and the driven gear (507) is fixedly connected with the front end of a stirring rod (403).
4. A fire protection structure for an electrical device according to claim 3, wherein: the door limiting shaft (501) is fixedly connected with the door plate (2), the door plate limiting shaft (501) is rotationally connected with the distribution box body (1), the rotating shaft (503) is rotationally connected with the inner side of the upper end of the distribution box body (1), and the door plate (2) is rotationally connected with the distribution box body (1).
5. A fire protection structure for an electrical device as claimed in claim 1, wherein: the utility model provides a sealing structure (6) is including shutoff board (601), shutoff board (601) upper end fixedly connected with sealing washer (602) and sealing strip (603), discharge gate (604) have been seted up to shutoff board (601) inboard, both ends all fixedly connected with fixed block (605) around shutoff board (601), fixed block (605) pass through telescopic spring (606) sliding connection in spout (7) inboard position, shutoff board (601) left end fixedly connected with expansion pipe (607).
6. The fire protection structure for electrical equipment of claim 5, wherein: the discharge holes (604) are staggered with the openings at the lower end of the placement cavity (402), the number of the discharge holes (604) is four, and the plugging plate (601) is tightly attached to the bottom end of the storage box (401) through the sealing gasket (602) and the sealing strip (603).
7. The fire protection structure for electrical equipment of claim 5, wherein: the expansion pipe (607) comprises a fixed column shell (6071), a moving rod (6072) is connected to the left inner side of the left end of the fixed column shell (6071) in a sliding mode through a telescopic spring (6073), paraffin (6074) is arranged between the moving rod (6072) and the fixed column shell (6071), and heat conducting grooves (6075) are formed in the upper end and the inner side of the lower end of the fixed column shell (6071).
8. A fire protection structure for an electrical device as claimed in claim 1, wherein: the novel electric power distribution box comprises a distribution box body (1), and is characterized in that a heat dissipating device (9) is fixedly connected to the bottom end of the distribution box body (1), the heat dissipating device (9) comprises a U-shaped pipe (901), a fan (902) is arranged on the upper side of the right end of the U-shaped pipe (901), an air duct (910) is fixedly connected to the inner side of the bottom end of the U-shaped pipe (901), a fixing seat (906) is fixedly connected to the lower side of the right end of the U-shaped pipe (901), a rotating rod (907) is rotatably connected to the inner side of the fixing seat (906), an air guiding impeller (911) and a driven impeller (908) are sequentially and fixedly connected to the rotating rod (907) from left to right, liquid water (909) is arranged on the inner side of the bottom end of the U-shaped pipe (901), and filtering structures are fixedly connected to the inner sides of the left end and the right ends of the U-shaped pipe (901);
the filter structure comprises a filter screen protective shell (903), and the filter screen protective shell (903) is fixedly connected with a dust filter screen (904) and a drying screen (905) from top to bottom in sequence.
9. The fire protection structure for electrical equipment of claim 8, wherein: the air guide impeller (911) is arranged at the position inside the air duct (910), the air duct (910) is arranged at the position of the upper end of the liquid water (909), and the bottom end of the driven impeller (908) is in contact with the liquid water (909).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211537229.XA CN116581646A (en) | 2022-12-01 | 2022-12-01 | Fireproof structure of electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211537229.XA CN116581646A (en) | 2022-12-01 | 2022-12-01 | Fireproof structure of electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116581646A true CN116581646A (en) | 2023-08-11 |
Family
ID=87538302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211537229.XA Pending CN116581646A (en) | 2022-12-01 | 2022-12-01 | Fireproof structure of electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116581646A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117791384A (en) * | 2024-02-27 | 2024-03-29 | 中铁一局集团电务工程有限公司 | Distribution box for trolley bus |
-
2022
- 2022-12-01 CN CN202211537229.XA patent/CN116581646A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117791384A (en) * | 2024-02-27 | 2024-03-29 | 中铁一局集团电务工程有限公司 | Distribution box for trolley bus |
| CN117791384B (en) * | 2024-02-27 | 2024-05-17 | 中铁一局集团电务工程有限公司 | Distribution box for trolley bus |
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