CN111668710A - Low-voltage distribution cabinet with inside protection machanism - Google Patents
Low-voltage distribution cabinet with inside protection machanism Download PDFInfo
- Publication number
- CN111668710A CN111668710A CN202010605695.1A CN202010605695A CN111668710A CN 111668710 A CN111668710 A CN 111668710A CN 202010605695 A CN202010605695 A CN 202010605695A CN 111668710 A CN111668710 A CN 111668710A
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- Prior art keywords
- low
- outer shell
- distribution cabinet
- cabinet
- fixed mounting
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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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- 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
-
- 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
-
- 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
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- 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 discloses a low-voltage power distribution cabinet with an internal protection mechanism, which relates to the technical field of power distribution cabinets and comprises an outer shell, wherein a cabinet door is movably arranged on the front surface of the outer shell, a door handle is movably arranged on one side of the front surface of the cabinet door, a door lock is movably arranged on the top of the door handle, an observation window is fixedly arranged in the cabinet door, a plurality of exhaust pipes are fixedly arranged on the top of the outer shell, and an alarm is fixedly arranged on one side of the top of the. This low-voltage distribution cabinet with inside protection machanism, setting through flame retardant coating and fire prevention sealing strip, the cabinet prevents outside conflagration harm switch board, through temperature sensor, smoke transducer, the carbon dioxide storage tank, the setting of injection pipe and fire extinguishing controller, put out a fire, fall the harm to minimumly, the blast pipe, the louvre, inlet port and exhaust fan, through the blast pipe, the louvre, inlet port and exhaust fan setting, can cross effectively increase the radiating effect, through the setting of sponge layer and dehumidification board, come dampproofing and prevent condensation.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a low-voltage power distribution cabinet with an internal protection mechanism.
Background
The power distribution cabinet is power distribution equipment used for electric energy distribution, control, measurement and cable connection, and is widely applied to power distribution systems of electric power users of transformer substations, power plants, industrial and mining enterprises and the like. The rated current of the low-voltage power distribution cabinet is an alternating current 50Hz power distribution system with a rated voltage of 380V, and the power distribution system is used for power, illumination and power distribution electric energy conversion and control.
In the Chinese invention patent application number: the novel low-voltage power distribution cabinet is disclosed in CN201720606323.4, this novel low-voltage power distribution cabinet, it has the cabinet door to articulate on the first curb plate, the locked groove has been seted up to cabinet door one side, be provided with the ventilation hole in second curb plate one side, the opening edge department that just is located the cabinet body at the second curb plate is provided with the slot, slot one side articulates there is the slot apron, be provided with the hasp on the slot apron, be provided with the lockhole on the hasp, dismantled and assembled filter that is provided with in the slot, the filter is provided with two arc slider with the adjacent one side of second curb plate, be provided with the arch on two arc slider respectively, be provided with first spout and second spout on the second curb plate, be provided with micro-gap switch in the first spout, be provided with the locating hole in the second spout, be provided with. This novel low-voltage distribution cabinet leads to the circuit short circuit because the air is moist, and the heat dissipation is insufficient, when the conflagration breaing out, produces the harm because can not prevent fires and in time put out a fire.
Therefore, there is a need to provide a low-voltage distribution cabinet with an internal protection mechanism to solve the above problems.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a low-voltage power distribution cabinet with an internal protection mechanism, which aims to solve the problems that the existing low-voltage power distribution cabinet in the background art has short circuit and insufficient heat dissipation due to air humidity, and causes damage due to incapability of preventing and timely extinguishing fire when a fire breaks out.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a low-voltage power distribution cabinet with an internal protection mechanism comprises an outer shell, wherein a cabinet door is movably mounted on the front of the outer shell, a door handle is movably mounted on one side of the front of the cabinet door, a door lock is movably mounted on the top of the door handle, an observation window is fixedly mounted in the cabinet door, a plurality of exhaust pipes are fixedly mounted on the top of the outer shell, an alarm is fixedly mounted on one side of the top of the outer shell, bases are fixedly connected to two sides of the lower surface of the outer shell, a fireproof layer is fixedly mounted in the outer shell, an inner shell is fixedly mounted in the fireproof layer, an exhaust fan is fixedly mounted on the upper surface of the inner shell, fan blades are movably connected to the outer wall of the exhaust fan, a plurality of air inlet holes are formed in the bottoms of the outer shell, the improved fire extinguishing device is characterized in that a plurality of heat dissipation holes are formed in the mounting plate, a dehumidifying plate is fixedly mounted on the inner lower surface of the inner shell, a sponge layer is fixedly mounted at the top of the dehumidifying plate, a fire extinguishing controller is fixedly mounted on one side of the upper surface of the mounting plate at the bottom, a circuit controller is fixedly mounted on one side of the fire extinguishing controller, a signal transmitter is fixedly mounted at the top of the fire extinguishing controller, a tank base is fixedly mounted on the other side of the upper surface of the mounting plate, a carbon dioxide storage tank is fixedly mounted in the tank base, a first electromagnetic valve is movably mounted at one end of the carbon dioxide storage tank, an injection pipe is movably mounted at one end of the first electromagnetic valve, which is far away from the carbon dioxide storage tank, the end of the injection pipe, which is far away from the first electromagnetic valve, penetrates through the mounting plates, a plurality of, the inside both sides of interior casing all fixed mounting have a plurality of temperature sensor, the inside both sides of interior casing all fixed mounting have a plurality of smoke transducer.
Preferably, a dust cover is movably mounted inside the exhaust pipe.
Preferably, the exhaust pipe is of an L-shaped structure.
Preferably, the dehumidification plate is filled with activated carbon and water absorbent resin.
Preferably, a dust cover is movably arranged in the air inlet hole.
Preferably, a fireproof sealing strip is arranged at the joint of the cabinet door and the outer shell.
Preferably, the inside of the cabinet door is provided with a fireproof layer.
(III) advantageous effects
Compared with the prior art, the invention provides a low-voltage power distribution cabinet with an internal protection mechanism, which has the following beneficial effects:
1. this low-voltage distribution cabinet with inside protection machanism through set up the flame retardant coating between shells and interior casing to and the inside of cabinet door is provided with the flame retardant coating, and the junction of cabinet door and shell body is provided with fire prevention sealing strip, prevents outside conflagration harm switch board, through temperature sensor, smoke transducer, carbon dioxide storage tank, injection pipe and fire extinguishing controller's setting, prevents that the conflagration takes place and puts out a fire, falls to the minimum with the harm.
2. This low-voltage distribution cabinet with inside protection machanism, there is the blast pipe at the top of shell body, and the louvre has been seted up to the mounting panel, and the inlet port has been seted up to the shell body bottom, and fixed surface installs the exhaust fan on the inside of interior casing, the outer wall swing joint of exhaust fan has the flabellum, through above setting, can cross effectively increasing the radiating effect.
3. This low-voltage distribution cabinet with inside protection machanism through the setting of sponge layer and dehumidification board, can get rid of the moisture in the air inlet, avoids electrical equipment to arouse the conflagration condition to take place because the air humidity leads to the short circuit.
Drawings
FIG. 1 is a schematic front sectional view of the outer shell structure of the present invention;
FIG. 2 is a schematic diagram of the outer casing structure of the present invention;
FIG. 3 is an enlarged view of the structure of region A of FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the structure of region B in FIG. 1 according to the present invention.
In the figure: 1. an outer housing; 2. a cabinet door; 3. a door handle; 4. a door lock; 5. an observation window; 6. an exhaust pipe; 7. an alarm; 8. a base; 9. an exhaust fan; 10. a fan blade; 11. a fire barrier layer; 12. an inner housing; 13. mounting a plate; 14. heat dissipation holes; 15. a sponge layer; 16. a dehumidification plate; 17. an air inlet; 18. a circuit controller; 19. a fire suppression controller; 20. a signal transmitter; 21. a tank base; 22. a carbon dioxide storage tank; 23. a first solenoid valve; 24. an injection pipe; 25. a second solenoid valve; 26. a high pressure spray head; 27. a temperature sensor; 28. a smoke sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a low voltage power distribution cabinet with an internal protection mechanism comprises an outer casing 1, a cabinet door 2 is movably mounted on the front surface of the outer casing 1, a fireproof layer 11 is arranged inside the cabinet door 2 to prevent external fire from damaging the power distribution cabinet, a fireproof sealing strip is arranged at the joint of the cabinet door 2 and the outer casing 1 to effectively prevent flame, rainwater and dust from entering the power distribution cabinet, a door handle 3 is movably mounted on one side of the front surface of the cabinet door 2, a door lock 4 is movably mounted on the top of the door handle 3, an observation window 5 is fixedly mounted inside the cabinet door 2, a plurality of exhaust pipes 6 are fixedly mounted on the top of the outer casing 1, a dust cover is movably mounted inside the exhaust pipes 6 to prevent dust from entering the power distribution cabinet, the exhaust pipes 6 are in an L-shaped structure to prevent rainwater from, the two sides of the lower surface of the outer shell 1 are fixedly connected with bases 8, the inner part of the outer shell 1 is fixedly provided with a fireproof layer 11, the inner part of the fireproof layer 11 is fixedly provided with an inner shell 12, the inner upper surface of the inner shell 12 is fixedly provided with an exhaust fan 9, the outer wall of the exhaust fan 9 is movably connected with fan blades 10, the bottom parts of the outer shell 1 and the inner shell 12 are respectively provided with a plurality of air inlet holes 17, the inner part of the air inlet holes 17 is movably provided with a dust cover which can effectively prevent the air from entering the interior of a power distribution cabinet in the air inlet, the inner part of the inner shell 12 is fixedly provided with a plurality of mounting plates 13, the interior of the mounting plates 13 is provided with a plurality of heat dissipation holes 14, the top part of the outer shell 1 is provided with an exhaust pipe, through the above arrangement, the heat dissipation effect can be effectively increased, the dehumidification plate 16 is fixedly installed on the inner lower surface of the inner shell 12, the sponge layer 15 is fixedly installed on the top of the dehumidification plate 16, the dehumidification plate 16 is filled with active carbon and water-absorbent resin, moisture in intake air can be effectively removed, moisture in intake air can be removed through the arrangement of the sponge layer 15 and the dehumidification plate 16, the occurrence of fire caused by short circuit of electrical equipment due to air humidity is avoided, the fire extinguishing controller 19 is fixedly installed on one side of the upper surface of the mounting plate 13 positioned at the bottom, the circuit controller 18 is fixedly installed on one side of the fire extinguishing controller 19, the signal transmitter 20 is fixedly installed on the top of the fire extinguishing controller 19, the tank seat 21 is fixedly installed on the other side of the upper surface of the mounting plate 13, the carbon dioxide storage tank 22 is fixedly installed inside the tank seat 21, and the first electromagnetic valve 23 is movably installed at one, an injection pipe 24 is movably installed at one end, far away from a carbon dioxide storage tank 22, of a first electromagnetic valve 23, the end, far away from the first electromagnetic valve 23, of the injection pipe 24 penetrates through a plurality of mounting plates 13, a plurality of second electromagnetic valves 25 are fixedly installed on two sides of the injection pipe 24, a high-pressure nozzle 26 is fixedly installed on one side of each second electromagnetic valve 25, a plurality of temperature sensors 27 are fixedly installed on two inner sides of an inner shell 12, a plurality of smoke sensors 28 are fixedly installed on two inner sides of the inner shell 12, a fireproof layer 11 is arranged between an outer shell 1 and the inner shell 12, a fireproof layer 11 is arranged inside a cabinet door 2, a fireproof sealing strip is arranged at the joint of the cabinet door 2 and the outer shell 1 to prevent an external fire from damaging a power distribution cabinet, and the fire is prevented from occurring and extinguishing through the arrangement of the temperature sensors 27, the smoke sensors, damage is minimized.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
The working principle is as follows: the device is provided with an exhaust pipe 6 at the top of an outer shell 1, a dust cover is movably arranged inside the exhaust pipe 6, a heat dissipation hole 14 is arranged on a mounting plate 13, an air inlet 17 is arranged at the bottom of the outer shell 1, the dust cover is movably arranged inside the air inlet 17, an exhaust fan 9 is fixedly arranged on the inner upper surface of an inner shell 12, the outer wall of the exhaust fan 9 is movably connected with fan blades 10, through the arrangement, the heat dissipation and dust prevention effects can be effectively improved, through the arrangement of a sponge layer 15 and a dehumidifying plate 16, the moisture in air can be removed, the fire condition caused by short circuit of electrical equipment due to air moisture is avoided, through arranging a fireproof layer 11 between the outer shell 1 and the inner shell 12, and arranging a fireproof layer 11 inside a cabinet door 2, a fireproof sealing strip is arranged at the joint of the cabinet door 2 and the outer shell 1, the smoke sensor 28 and the temperature sensor 27 transmit signals to the fire extinguishing controller 19 and the circuit controller 18, the circuit controller 18 cuts off the related circuit of the electrical component on fire and gives an alarm through the alarm 7 to warn others, the fire extinguishing controller 19 opens the first solenoid valve 23 and the second solenoid valve 25 corresponding to the electrical component on fire placing small chamber, so that the carbon dioxide in the carbon dioxide storage tank 22 is sprayed through the spray pipe 24 and the corresponding high pressure spray head 26, the fire is extinguished, and a message is transmitted to the maintenance personnel through the signal transmitter 20, minimizing damage.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a low-voltage distribution cabinet with inside protection machanism, includes shell body (1), its characterized in that: the door is characterized in that a cabinet door (2) is movably mounted on the front side of the outer shell (1), a door handle (3) is movably mounted on one side of the front side of the cabinet door (2), a door lock (4) is movably mounted on the top of the door handle (3), an observation window (5) is fixedly mounted inside the cabinet door (2), a plurality of exhaust pipes (6) are fixedly mounted on the top of the outer shell (1), an alarm (7) is fixedly mounted on one side of the top of the outer shell (1), bases (8) are fixedly connected to two sides of the lower surface of the outer shell (1), a fireproof layer (11) is fixedly mounted inside the outer shell (1), an inner shell (12) is fixedly mounted inside the fireproof layer (11), an exhaust fan (9) is fixedly mounted on the upper surface inside of the inner shell (12), and fan blades (10) are movably, a plurality of air inlets (17) have all been seted up to the bottom of shell body (1) and interior casing (12), the inside fixed mounting of interior casing (12) has a plurality of mounting panels (13), a plurality of louvres (14) have been seted up to the inside of mounting panel (13), the inside fixed surface of interior casing (12) installs dehumidification board (16), the top fixed mounting of dehumidification board (16) has sponge layer (15), the fixed mounting of the upper surface one side of mounting panel (13) that is located the bottom has fire extinguishing controller (19), one side fixed mounting of fire extinguishing controller (19) has circuit controller (18), the top fixed mounting of fire extinguishing controller (19) has signal transmitter (20), the fixed mounting of the upper surface opposite side of mounting panel (13) has tank seat (21), the inside fixed mounting of tank seat (21) has carbon dioxide storage tank (22), the one end movable mounting of carbon dioxide storage tank (22) has first solenoid valve (23), the one end movable mounting that carbon dioxide storage tank (22) was kept away from in first solenoid valve (23) has injection pipe (24), the end that first solenoid valve (23) were kept away from in injection pipe (24) runs through a plurality of mounting panels (13), the equal fixed mounting in both sides of injection pipe (24) has a plurality of second solenoid valves (25), one side fixed mounting of second solenoid valve (25) has high pressure nozzle (26), the equal fixed mounting in inside both sides of interior casing (12) has a plurality of temperature sensor (27), the equal fixed mounting in inside both sides of interior casing (12) has a plurality of smoke sensor (28).
2. The low-voltage distribution cabinet with the internal protection mechanism according to claim 1, characterized in that: the inside movable mounting of blast pipe (6) has the dust cover.
3. The low-voltage distribution cabinet with the internal protection mechanism according to claim 1, characterized in that: the exhaust pipe (6) is of an L-shaped structure.
4. The low-voltage distribution cabinet with the internal protection mechanism according to claim 1, characterized in that: the dehumidification plate (16) is filled with activated carbon and water-absorbent resin.
5. The low-voltage distribution cabinet with the internal protection mechanism according to claim 1, characterized in that: the interior of the air inlet hole (17) is movably provided with a dust cover.
6. The low-voltage distribution cabinet with the internal protection mechanism according to claim 1, characterized in that: and a fireproof sealing strip is arranged at the joint of the cabinet door (2) and the outer shell (1).
7. The low-voltage distribution cabinet with the internal protection mechanism according to claim 1, characterized in that: the inside of cabinet door (2) is provided with flame retardant coating (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010605695.1A CN111668710A (en) | 2020-06-29 | 2020-06-29 | Low-voltage distribution cabinet with inside protection machanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010605695.1A CN111668710A (en) | 2020-06-29 | 2020-06-29 | Low-voltage distribution cabinet with inside protection machanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111668710A true CN111668710A (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010605695.1A Pending CN111668710A (en) | 2020-06-29 | 2020-06-29 | Low-voltage distribution cabinet with inside protection machanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN111668710A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112152105A (en) * | 2020-09-17 | 2020-12-29 | 上海恒敬电力科技有限公司 | Alternating current low-voltage power distribution cabinet with protective structure |
| CN112290407A (en) * | 2020-10-19 | 2021-01-29 | 宿迁凯运电力科技有限公司 | Intelligent fire-fighting machine electric cabinet |
| CN112654191A (en) * | 2020-12-24 | 2021-04-13 | 江苏柏勋科技发展有限公司 | Intelligent monitor for street lamp |
| CN112736677A (en) * | 2020-12-16 | 2021-04-30 | 李龙 | Power distribution cabinet and temperature control monitoring system for power distribution cabinet |
| CN113314965A (en) * | 2021-06-17 | 2021-08-27 | 山东驰戈电气设备有限公司 | Moisture-proof device for electrical equipment |
| CN115140447A (en) * | 2022-09-05 | 2022-10-04 | 盐城市临海纺织染整科技有限公司 | Weaving dyeing and finishing workshop raw material storage device for |
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| US5936531A (en) * | 1998-03-06 | 1999-08-10 | Powers; Frank A. | Electrical fire sensing and prevention/extinguishing system |
| CN204885883U (en) * | 2015-08-18 | 2015-12-16 | 昆明奥立特电力设备有限公司 | Fire -retardant type looped netowrk cabinet |
| CN206302077U (en) * | 2017-01-05 | 2017-07-04 | 国网冀北电力有限公司唐山供电公司 | A kind of Moisture-proof switch cabinet |
| CN207819199U (en) * | 2017-12-18 | 2018-09-04 | 湖北融通三立科技有限公司 | A kind of safety distribution cabinet |
| CN209608152U (en) * | 2019-04-22 | 2019-11-08 | 苏州城发建筑设计院有限公司 | A kind of small distribution case with fire proof construction |
| CN110474244A (en) * | 2019-08-29 | 2019-11-19 | 永升建设集团有限公司 | A kind of side-mounted middle-placed switch cabinet of automatic dehumidifying |
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2020
- 2020-06-29 CN CN202010605695.1A patent/CN111668710A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5936531A (en) * | 1998-03-06 | 1999-08-10 | Powers; Frank A. | Electrical fire sensing and prevention/extinguishing system |
| CN204885883U (en) * | 2015-08-18 | 2015-12-16 | 昆明奥立特电力设备有限公司 | Fire -retardant type looped netowrk cabinet |
| CN206302077U (en) * | 2017-01-05 | 2017-07-04 | 国网冀北电力有限公司唐山供电公司 | A kind of Moisture-proof switch cabinet |
| CN207819199U (en) * | 2017-12-18 | 2018-09-04 | 湖北融通三立科技有限公司 | A kind of safety distribution cabinet |
| CN209608152U (en) * | 2019-04-22 | 2019-11-08 | 苏州城发建筑设计院有限公司 | A kind of small distribution case with fire proof construction |
| CN110474244A (en) * | 2019-08-29 | 2019-11-19 | 永升建设集团有限公司 | A kind of side-mounted middle-placed switch cabinet of automatic dehumidifying |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112152105A (en) * | 2020-09-17 | 2020-12-29 | 上海恒敬电力科技有限公司 | Alternating current low-voltage power distribution cabinet with protective structure |
| CN112290407A (en) * | 2020-10-19 | 2021-01-29 | 宿迁凯运电力科技有限公司 | Intelligent fire-fighting machine electric cabinet |
| CN112736677A (en) * | 2020-12-16 | 2021-04-30 | 李龙 | Power distribution cabinet and temperature control monitoring system for power distribution cabinet |
| CN112654191A (en) * | 2020-12-24 | 2021-04-13 | 江苏柏勋科技发展有限公司 | Intelligent monitor for street lamp |
| CN112654191B (en) * | 2020-12-24 | 2021-10-26 | 江苏柏勋科技发展有限公司 | Intelligent monitor for street lamp |
| CN113314965A (en) * | 2021-06-17 | 2021-08-27 | 山东驰戈电气设备有限公司 | Moisture-proof device for electrical equipment |
| CN115140447A (en) * | 2022-09-05 | 2022-10-04 | 盐城市临海纺织染整科技有限公司 | Weaving dyeing and finishing workshop raw material storage device for |
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Application publication date: 20200915 |
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| RJ01 | Rejection of invention patent application after publication |