CN112038897A - Fire-proof alarm type explosion-proof control cabinet - Google Patents
Fire-proof alarm type explosion-proof control cabinet Download PDFInfo
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- CN112038897A CN112038897A CN202010852032.XA CN202010852032A CN112038897A CN 112038897 A CN112038897 A CN 112038897A CN 202010852032 A CN202010852032 A CN 202010852032A CN 112038897 A CN112038897 A CN 112038897A
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- wall
- cabinet body
- proof
- fire
- alarm type
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Classifications
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- 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
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/30—Scaring or repelling devices, e.g. bird-scaring apparatus preventing or obstructing access or passage, e.g. by means of barriers, spikes, cords, obstacles or sprinkled water
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/30—Scaring or repelling devices, e.g. bird-scaring apparatus preventing or obstructing access or passage, e.g. by means of barriers, spikes, cords, obstacles or sprinkled water
- A01M29/34—Scaring or repelling devices, e.g. bird-scaring apparatus preventing or obstructing access or passage, e.g. by means of barriers, spikes, cords, obstacles or sprinkled water specially adapted for insects
-
- 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
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/42—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with mechanical connection between sensor and actuator, e.g. rods, levers
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- 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
- H02B1/30—Cabinet-type casings; 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
-
- 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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/38—Hinged covers or doors
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Power Engineering (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Birds (AREA)
- Business, Economics & Management (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Public Health (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses a fireproof alarm type explosion-proof control cabinet which comprises a cabinet body, wherein a sucker is fixedly connected to the inner wall of the top of the cabinet body, an air bag is fixedly connected to the outer wall of one end of the sucker, a protective cover is arranged on the inner wall of the top of the cabinet body, and supporting rods are arranged on the inner walls of two sides of the protective cover. According to the invention, when the temperature sensor detects that the interior of the cabinet body exceeds the set threshold value, the electric push rod is automatically started, the electric push rod drives the steel needle to extend to puncture the air bag, so that the dry powder fire extinguishing material contained in the cabinet body can be sprayed out, and the cabinet body can be subjected to fire extinguishing work.
Description
Technical Field
The invention relates to the technical field of control cabinets, in particular to a fireproof alarm type explosion-proof control cabinet.
Background
The control cabinet is formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirements, and the arrangement of the control cabinet meets the requirements of normal operation of an electric power system, is convenient to overhaul and does not endanger the safety of people and surrounding equipment. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch. When the fault or abnormal operation occurs, the circuit is cut off or an alarm is given by the aid of the protective electric appliance.
Through the retrieval, chinese patent publication is CN 210092597U's patent, discloses a fire prevention type switch board, including switch board main part, adjustment mechanism and protection machanism, the switch board main part includes protective housing, door-switch, display screen and cabinet door, adjustment mechanism includes the base, the base is located the bottom of protective housing, base bottom four corners is provided with threaded rod A respectively, threaded rod A runs through in the base, threaded rod A bottom is provided with the runner, the runner bottom is provided with threaded rod B, threaded rod B bottom is provided with the base, threaded rod B runs through in the base. The fireproof control cabinet in the patent has the following defects: and how to handle if the cabinet is internally provided with naked flame is not actually solved, thereby resulting in poorer fireproof effect of the control cabinet, easily generating higher potential safety hazard and being incapable of meeting the use requirements of people. Therefore, a fire-proof alarm type explosion-proof control cabinet is needed to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a fireproof alarm type explosion-proof control cabinet.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an explosion-proof switch board of fire prevention alarm type, includes the cabinet body, the top inner wall fixedly connected with sucking disc of the cabinet body, the one end outer wall fixedly connected with gasbag of sucking disc, the top inner wall of the cabinet body is provided with the protection casing, and the both sides inner wall of protection casing all is provided with the bracing piece, the one end outer wall of bracing piece is provided with solid fixed ring, and the gasbag joint is in solid fixed ring's inside, solid fixed ring's one side outer wall is pegged graft and is had electric putter, and electric putter's one end outer wall fixedly connected with steel needle, one side outer wall of the cabinet body is provided with the casing, and one side outer wall of casing is provided with the motor, the output shaft one end outer wall of motor has cup jointed.
Preferably, the bottom outer wall of the cabinet body is provided with supporting legs, and the one end outer wall of supporting legs is provided with the base.
Preferably, the inner wall of one side of the cabinet body is provided with air inlet holes distributed at equal intervals, and the specification of the air inlet holes is gradually increased from top to bottom.
Preferably, a clamping groove is formed in the outer wall of one side of the shell, a clamping block is clamped inside the clamping groove, and a dust screen is arranged on the outer wall of one side of the clamping block.
Preferably, radiating pipes are inserted into the outer wall of one side of the cabinet body and distributed at equal intervals, and the cross sections of the radiating pipes are in an L shape.
Preferably, the circumference outer wall of cooling tube is provided with the barb that the equidistance is the annular and distributes, and the barb encloses into the funnel type, and the bottom outer wall of cooling tube is provided with the arc ware.
Preferably, the outer wall of one side of the cabinet body is provided with a temperature sensor, and the temperature sensor is connected with a power supply through a wire.
Preferably, the outer wall of the bottom of the base is bonded with a non-slip mat, and the specification of the non-slip mat is matched with that of the base.
Preferably, the inner walls of the two sides of the protective cover are fixedly connected with a pulling rope, one end of the pulling rope is bolted with a bearing, the inner wall of the circumference of the bearing is provided with a rotating rod, and the outer wall of one end of the rotating rod is provided with a first fan blade.
Preferably, a connecting plate is arranged on the inner wall of one side of the cabinet door, a telescopic rod is arranged on the outer wall of the bottom of the connecting plate, a clamping seat is arranged on the outer wall of one side of the cabinet body, and one end of the telescopic rod is clamped with the clamping seat.
The invention has the beneficial effects that:
1. through the temperature sensor who sets up, the gasbag, electric putter, the haulage rope, bearing and first flabellum, automatic start electric putter when temperature sensor detects the internal portion of cabinet and surmounts its threshold value of setting for, electric putter drives the steel needle extension and punctures the gasbag, thereby can make the dry powder fire extinguishing material blowout that its inside contains, thereby can put out a fire the work to the cabinet body, because can produce great air current when the gasbag punctures, the air current can blow first flabellum and make it rotate, a plurality of flabellums all are connected through the haulage rope simultaneously, consequently, a plurality of flabellums can carry out irregular rotation when the gasbag explodes, thereby can carry out the homodisperse with spun dry powder fire extinguishing material, avoid appearing the dead angle and lead to the emergence of conflagration.
2. Through the motor that sets up, second flabellum and fresh air inlet, can the starter motor when the cabinet body normally works, the motor drives the second flabellum and rotates and can produce the cool wind, can take away the heat that the internal production of cabinet through the cool wind that blows in the internal portion of cabinet to can reduce the probability that the cabinet body catches fire, simultaneously because the hot-air often can be in the top of cold air, consequently the specification through the fresh air inlet on the cabinet body is from last to crescent down, can evenly cool down the internal portion of cabinet.
3. Through the cooling tube that sets up, barb and arc ware, the cooling tube cross section that cabinet body one side outer wall was pegged graft is the L type, can avoid carrying out the internal portion of cabinet owing to there is more dust through the cooling tube, and cause the condition emergence that the control circuit of the internal portion of cabinet breaks down, and the barb that the inside setting of cooling tube simultaneously can avoid having the mosquito to carry out the condition emergence of the internal portion of cabinet through the cooling tube, and the arc ware of cooling tube bottom can play good collection dirt effect.
Drawings
Fig. 1 is a schematic structural diagram of a fire-proof alarm type explosion-proof control cabinet provided in embodiment 1;
fig. 2 is a schematic view of a partially enlarged structure at a position a of the fire-proof alarm type explosion-proof control cabinet provided in embodiment 1;
fig. 3 is a schematic view of a partially enlarged structure at a position B of the fire-proof alarm type explosion-proof control cabinet provided in embodiment 1;
fig. 4 is a partial enlarged structural diagram of a fire-proof alarm type explosion-proof control cabinet provided in embodiment 1 at position C;
fig. 5 is a schematic view of a telescopic rod structure of the fire-proof alarm type explosion-proof control cabinet provided in embodiment 2.
In the figure: the novel multifunctional electric cabinet comprises a cabinet body 1, a shell body 2, a clamping block 3, a dust screen 4, a motor 5, a base 6, a radiating pipe 7, a sucking disc 8, an air bag 9, a fixing ring 10, an electric push rod 11, a bearing 12, a first fan blade 13, a traction rope 14, a supporting rod 15, a protective cover 16, a second fan blade 17, an air inlet hole 18, barbs 19, an arc-shaped dish 20, a temperature sensor 21, a cabinet door 22, a connecting plate 23 and a telescopic rod 24.
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.
Example 1
Referring to fig. 1-4, a fire-proof alarm type explosion-proof control cabinet, including the cabinet body 1, the top inner wall fixedly connected with sucking disc 8 of the cabinet body 1, the one end outer wall fixedly connected with gasbag 9 of sucking disc 8, the top inner wall of the cabinet body 1 is provided with protection casing 16, and the both sides inner wall of protection casing 16 all is provided with bracing piece 15, the one end outer wall of bracing piece 15 is provided with solid fixed ring 10, and gasbag 9 joint is in the inside of solid fixed ring 10, one side outer wall of solid fixed ring 10 is pegged graft and is had electric putter 11, and electric putter 11's one end outer wall fixedly connected with steel needle, one side outer wall of the cabinet body 1 is provided with casing 2, and one side outer wall of casing 2 is provided with motor 5, the axle sleeve has been cup jointed to motor 5's output shaft one end.
In the invention, the outer wall of the bottom of a cabinet body 1 is provided with supporting legs, the outer wall of one end of each supporting leg is provided with a base 6, the inner wall of one side of the cabinet body 1 is provided with air inlet holes 18 which are distributed at equal intervals, the specification of the air inlet holes 18 is gradually increased from top to bottom, the outer wall of one side of a shell 2 is provided with a clamping groove, a clamping block 3 is clamped in the clamping groove, the outer wall of one side of the clamping block 3 is provided with a dustproof net 4, the outer wall of one side of the cabinet body 1 is spliced with radiating pipes 7 which are distributed at equal intervals, the cross section of each radiating pipe 7 is L-shaped, the circumferential outer wall of each radiating pipe 7 is provided with barbs 19 which are distributed at equal intervals in an annular shape, the barbs 19 are enclosed into a funnel shape, the outer wall of the bottom of each radiating pipe 7 is provided with an arc-shaped vessel 20, the equal fixedly connected with haulage rope 14 of both sides inner wall of protection casing 16, and the one end bolt of haulage rope 14 has bearing 12, and the circumference inner wall of bearing 12 is provided with the dwang, and the one end outer wall of dwang is provided with first flabellum 13.
The working principle is as follows: when the temperature sensor 21 detects that the inside of the cabinet body 1 exceeds a set threshold value, the electric push rod 11 is automatically started, the electric push rod 11 drives the steel needle to extend to puncture the air bag 9, so that dry powder fire extinguishing materials contained in the cabinet body can be sprayed out, the cabinet body 1 can be subjected to fire extinguishing work, a large air flow can be generated when the air bag 9 is punctured, the air flow can blow the first fan blade 13 to rotate, and meanwhile, the plurality of fan blades are all connected through the traction rope 14, so that the plurality of fan blades can irregularly rotate when the air bag 9 explodes, the sprayed dry powder fire extinguishing materials can be uniformly dispersed, the occurrence of fire caused by dead angles is avoided, the motor 5 can be started when the cabinet body 1 normally works, the motor 5 drives the second fan blade 17 to rotate to generate cool air, and heat generated in the cabinet body 1 can be taken away by the cool air blown into the cabinet body 1, thereby can reduce the probability that the cabinet body 1 catches fire, simultaneously because the hot-air often can be in the top of cold air, consequently the specification through air inlet hole 18 on the cabinet body 1 is from last crescent to down, can evenly cool down the internal portion of cabinet, the cooling tube 7 cross section of 1 one side outer wall grafting of cabinet is the L type, can avoid carrying out the internal portion of cabinet 1 through cooling tube 7 owing to there is more dust, and cause the condition emergence that the control circuit of the internal portion of cabinet 1 breaks down, barb 19 of 7 inside settings of cooling tube can avoid having the mosquito to carry out the internal portion of cabinet condition through cooling tube 7 to take place simultaneously, and arc ware 20 of cooling tube 7 bottom can play good collection dirt effect.
Example 2
Referring to fig. 5, an explosion-proof switch board of fire prevention alarm type, this embodiment compare in embodiment 1, one side inner wall of cabinet door 22 is provided with connecting plate 23, and the bottom outer wall of connecting plate 23 is provided with telescopic link 24, and one side outer wall of the cabinet body 1 is provided with the cassette, and the one end and the cassette of telescopic link 24 are joint each other.
The working principle is as follows: when people overhaul the cabinet body 1, can take the telescopic link 24 out and insert in the cassette, can play good fixed action to cabinet door 22, avoid appearing cabinet door 22 and press from both sides people's accident.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A fireproof alarm type explosion-proof control cabinet comprises a cabinet body (1) and is characterized in that a sucker (8) is fixedly connected to the inner wall of the top of the cabinet body (1), an air bag (9) is fixedly connected to the outer wall of one end of the sucker (8), a protective cover (16) is arranged on the inner wall of the top of the cabinet body (1), supporting rods (15) are arranged on the inner walls of two sides of the protective cover (16), a fixing ring (10) is arranged on the outer wall of one end of each supporting rod (15), the air bag (9) is clamped in the fixing ring (10), an electric push rod (11) is inserted into the outer wall of one side of the fixing ring (10), a steel needle is fixedly connected to the outer wall of one end of the electric push rod (11), a shell (2) is arranged on the outer wall of one side of the cabinet body (1), a motor (5) is arranged on, and the outer walls of the two sides of the shaft sleeve are respectively provided with a second fan blade (17), and the outer wall of one side of the cabinet body (1) is connected with a cabinet door (22) through a hinge.
2. A fire-proof alarm type explosion-proof control cabinet according to claim 1, characterized in that the outer wall of the bottom of the cabinet body (1) is provided with supporting legs, and the outer wall of one end of each supporting leg is provided with a base (6).
3. A fire-proof alarm type explosion-proof control cabinet according to claim 2, wherein the inner wall of one side of the cabinet body (1) is provided with air inlet holes (18) distributed at equal intervals, and the size of the air inlet holes (18) is gradually increased from top to bottom.
4. A fire-proof alarm type explosion-proof control cabinet according to claim 3, wherein a clamping groove is formed on the outer wall of one side of the housing (2), the clamping block (3) is clamped inside the clamping groove, and a dust screen (4) is arranged on the outer wall of one side of the clamping block (3).
5. A fire-proof alarm type explosion-proof control cabinet according to claim 4, wherein the outer wall of one side of the cabinet body (1) is inserted with radiating pipes (7) distributed at equal intervals, and the cross section of the radiating pipe (7) is L-shaped.
6. A fire alarm type explosion-proof control cabinet according to claim 5, wherein the circumference outer wall of the heat dissipation pipe (7) is provided with barbs (19) distributed in an annular shape at equal intervals, the barbs (19) form a funnel shape, and the bottom outer wall of the heat dissipation pipe (7) is provided with an arc-shaped vessel (20).
7. A fire-proof alarm type explosion-proof control cabinet according to claim 6, characterized in that a temperature sensor (21) is arranged on the outer wall of one side of the cabinet body (1), and the temperature sensor (21) is connected with a power supply through a wire.
8. A fire-proof alarm type explosion-proof control cabinet according to claim 7, characterized in that the outer wall of the bottom of the base (6) is bonded with a non-slip mat, and the specification of the non-slip mat is matched with the specification of the base (6).
9. A fire-proof alarm type explosion-proof control cabinet according to claim 8, wherein the inner walls of both sides of the protection cover (16) are fixedly connected with a hauling rope (14), one end of the hauling rope (14) is bolted with a bearing (12), the circumferential inner wall of the bearing (12) is provided with a rotating rod, and the outer wall of one end of the rotating rod is provided with a first fan blade (13).
10. A fire-proof alarm type explosion-proof control cabinet according to claim 2 or 4, characterized in that a connecting plate (23) is arranged on the inner wall of one side of the cabinet door (22), an expansion link (24) is arranged on the outer wall of the bottom of the connecting plate (23), a clamping seat is arranged on the outer wall of one side of the cabinet body (1), and one end of the expansion link (24) is clamped with the clamping seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010852032.XA CN112038897A (en) | 2020-08-21 | 2020-08-21 | Fire-proof alarm type explosion-proof control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010852032.XA CN112038897A (en) | 2020-08-21 | 2020-08-21 | Fire-proof alarm type explosion-proof control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112038897A true CN112038897A (en) | 2020-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010852032.XA Withdrawn CN112038897A (en) | 2020-08-21 | 2020-08-21 | Fire-proof alarm type explosion-proof control cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN112038897A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112736699A (en) * | 2020-12-18 | 2021-04-30 | 胡雪梅 | Power distribution cabinet convenient to install |
| CN113387058A (en) * | 2021-04-09 | 2021-09-14 | 赣州睿农果业开发有限公司 | Air interchanger of fruit and vegetable long-distance transport box and air interchanging method thereof |
| CN113396889A (en) * | 2021-06-25 | 2021-09-17 | 内蒙古炳宇电力设备有限公司 | Bird nesting prevention device for high-voltage line |
| CN113893482A (en) * | 2021-11-17 | 2022-01-07 | 江苏旭变变压器有限公司 | Active fire protection device for transformer |
| CN114811438A (en) * | 2022-04-24 | 2022-07-29 | 北京理工大学 | Interdiction type comprehensive explosion-proof and explosion-suppression system and method |
-
2020
- 2020-08-21 CN CN202010852032.XA patent/CN112038897A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112736699A (en) * | 2020-12-18 | 2021-04-30 | 胡雪梅 | Power distribution cabinet convenient to install |
| CN112736699B (en) * | 2020-12-18 | 2022-09-06 | 上海穆铒熙电气工程有限公司 | Power distribution cabinet convenient to install |
| CN113387058A (en) * | 2021-04-09 | 2021-09-14 | 赣州睿农果业开发有限公司 | Air interchanger of fruit and vegetable long-distance transport box and air interchanging method thereof |
| CN113396889A (en) * | 2021-06-25 | 2021-09-17 | 内蒙古炳宇电力设备有限公司 | Bird nesting prevention device for high-voltage line |
| CN113893482A (en) * | 2021-11-17 | 2022-01-07 | 江苏旭变变压器有限公司 | Active fire protection device for transformer |
| CN114811438A (en) * | 2022-04-24 | 2022-07-29 | 北京理工大学 | Interdiction type comprehensive explosion-proof and explosion-suppression system and method |
| CN114811438B (en) * | 2022-04-24 | 2023-05-09 | 北京理工大学 | Interruption type comprehensive explosion-proof explosion suppression system and method |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201204 |
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| WW01 | Invention patent application withdrawn after publication |