CN112670860B - Electric power cabinet that can independently cool down - Google Patents
Electric power cabinet that can independently cool down Download PDFInfo
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- CN112670860B CN112670860B CN202110014464.8A CN202110014464A CN112670860B CN 112670860 B CN112670860 B CN 112670860B CN 202110014464 A CN202110014464 A CN 202110014464A CN 112670860 B CN112670860 B CN 112670860B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Abstract
The invention discloses an electric power cabinet capable of automatically cooling, which comprises an electric power cabinet body, a collecting mechanism and a cooling mechanism, wherein the collecting mechanism is arranged on the electric power cabinet body, and the cooling mechanism is arranged on the electric power cabinet body. According to the invention, through the mutual matching of the collecting shell, the top plate, the drainage plate, the water inlet, the connecting plate, the vertical plate, the floating plate and the first filter screen, rainwater is conveniently collected, the cooling and heat dissipating effect is improved through rainwater, and the waste of resources is avoided.
Description
Technical Field
The invention relates to the technical field of electric power cabinets, in particular to an electric power cabinet capable of automatically cooling.
Background
The electric cabinet is a cabinet which is formed by processing steel materials and used for protecting components from working normally. Electric power cabinet usage is extensive, mainly used chemical industry, the environmental protection trade, electric power system, metallurgical system, industry, the nuclear power trade, fire control safety monitoring, traffic industry and so on, but common electric power cabinet cooling effect is relatively poor, electric power cabinet all adopts the cooling heat dissipation that realizes electric power cabinet of the mode of seting up the louvre usually, cooling radiating effect is not only relatively poor, and when rainy season, the rainwater goes on the inside of electric power cabinet very easily moreover to cause the damage of internal element, bring very big inconvenience for the user.
Disclosure of Invention
The invention aims to provide an electric power cabinet capable of automatically cooling, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an electric power cabinet capable of automatically cooling comprises an electric power cabinet body, a collecting mechanism and a cooling mechanism, wherein the collecting mechanism is arranged on the electric power cabinet body;
the collecting mechanism comprises a collecting shell and a top plate, the collecting shell is arranged at the top of the right side of the electric power cabinet body, the top plate is arranged at the top of the electric power cabinet body, a drainage plate matched with the collecting shell is arranged at the top of the top plate, a water inlet is formed in the right side of the top of the collecting shell, a connecting plate is arranged on the left side of the inner wall of the collecting shell, a vertical plate is arranged on the right side of the top of the connecting plate, a floating plate matched with the water inlet is connected to the surface of the vertical plate in a sliding mode, a first filter screen is arranged at the top of the collecting shell, and a raindrop sensor is arranged on the left side of the top of the drainage plate;
the cooling mechanism includes air exhauster, thermovent and connecting block, the air exhauster is installed on the right side of electric power cabinet body and is located the below of collecting the shell, the breathing pipe rather than mutual intercommunication is installed at the top of air exhauster, the one end that the air exhauster was kept away from to the breathing pipe runs through and collects the shell and extend to its outside, the blowing head is installed in the left side of air exhauster, the left end of blowing head runs through electric power cabinet body and extends to its inside, the thermovent is seted up in the left side of electric power cabinet body, install the second filter screen on the inner wall of thermovent, the left bottom at the roof is installed to the connecting block, servo motor is installed at the top of connecting block, the bottom through connection piece of servo motor output shaft just extends to its outside, the threaded rod is installed to servo motor output shaft's bottom, the surperficial threaded connection of threaded rod has the fly leaf, the weather shield with thermovent looks adaptation is installed in the left side of fly leaf, the PLC controller is installed at the left top of electric power cabinet body inner wall, temperature sensor is installed at the top of electric power cabinet body inner wall.
Preferably, one side of the floating plate close to the inner wall of the collecting shell is connected with the inner wall of the collecting shell in a sliding mode.
Preferably, one side of the first filter screen, which is close to the collecting shell, is fixedly connected with the collecting shell, and the first filter screen is L-shaped.
Preferably, one side of the movable plate close to the electric power cabinet body is connected with the electric power cabinet body in a sliding mode.
Preferably, the end of the suction pipe close to the first screen is in contact with the first screen.
Preferably, the upper surface of the part of the first filter screen on the top of the collecting shell is an arc surface which extends upwards around the lowest point at the center.
Preferably, the bottom surface of the collecting shell is a square frustum bottom formed by inclined bottom surfaces of the side walls of the collecting shell extending gradually to the center of the collecting shell; a square sewage draining outlet which penetrates into the collecting shell is formed in the center of the square frustum-shaped bottom, and a rubber plug which covers the square sewage draining outlet is arranged on the square sewage draining outlet; the edge of each inclined bottom surface forming the square frustum-shaped bottom, which is connected with the inner wall of the collecting shell, is provided with a mud scraper, each mud scraper consists of a middle plate and side plates which are respectively embedded at two ends of the middle plate in a manner of sliding along the outer wall of the middle plate, and the end parts of the side plates are connected with the end part of the middle plate through springs; the maximum length formed by the middle plate and the side plates is matched with the edge length of the connection between the inclined bottom surface and the inner wall of the collecting shell; the minimum length formed by the middle plate and the side plate is matched with the edge length of the square sewage draining exit; a control rod is connected between the square sewage draining outlet and the mud scraping plate, the control rod is a telescopic rod body formed by mutually sleeving a first rod body and a second rod body, and the first rod body is an elastic rod body with adjustable length and formed by connecting a plurality of annular hollow pipe bodies through elastic connecting rods; the second rod body is sleeved outside the first rod body and is fixedly arranged along the bottom edge of each side wall of the collecting shell; the end part of the first rod body is respectively connected with the end parts of the side plates far away from the middle plate; the end part of the second rod body, which is far away from the first rod body, is connected to an end corner of the square sewage draining exit; the connecting rope penetrates through the second rod body, two ends of the connecting rope are respectively connected with the connecting ends of the first rod body and the side plate, the rubber plug enables the connecting rope to drive the first rod body to contract when the rubber plug is pulled downwards, and the mud scraper moves along the inclined bottom surface gradually towards the square sewage discharge outlet.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through the mutual matching of the collecting shell, the top plate, the drainage plate, the water inlet, the connecting plate, the vertical plate, the floating plate and the first filter screen, rainwater can be conveniently collected, the cooling and heat dissipating effects are improved through rainwater, and the waste of resources is avoided.
Drawings
FIG. 1 is a structural section view in elevation of the present invention;
FIG. 2 is an enlarged view ofbase:Sub>A portion of A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of a portion of B-B of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic structural view of a left side view of the electric cabinet body and the cooling mechanism connected with each other according to the present invention;
FIG. 5 is a schematic structural view in elevation of the present invention;
fig. 6 is a schematic structural view of the mud scraper of the present invention.
In the figure: 1 electric power cabinet body, 2 collection mechanisms, 21 collection shell, 211 square drain, 212 rubber plugs, 22 roof, 23 drainage plate, 24 water inlet, 25 connecting plates, 26 vertical plates, 27 floating plate, 28 first filter screen, 29 raindrop sensor, 3 cooling mechanism, 31 exhaust fan, 32 heat dissipation port, 33 connecting block, 34 air suction pipe, 35 blowing head, 36 second filter screen, 37 servo motor, 38 threaded rod, 39 movable plate, 310 weather shield, 311 PLC controller, 312 temperature sensor, 4 mud scraper, 41 middle plate, 42 sideboard, 5 control lever, 6 connecting rope.
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. 1-6, an electric power cabinet capable of cooling autonomously includes an electric power cabinet body 1, a collection mechanism 2 and a cooling mechanism 3, wherein the collection mechanism 2 is disposed on the electric power cabinet body 1, and the cooling mechanism 3 is disposed on the electric power cabinet body 1.
The collecting mechanism 2 comprises a collecting shell 21 and a top plate 22, the collecting shell 21 is installed on the top of the right side of the electric power cabinet body 1, the top plate 22 is installed on the top of the electric power cabinet body 1, a drainage plate 23 matched with the collecting shell 21 in use is fixedly connected to the top of the top plate 22, a water inlet 24 is formed in the right side of the top of the collecting shell 21, and the bottom surface of the collecting shell 21 is a square frustum bottom formed by inclined bottom surfaces, extending gradually from the bottom surface of each side wall of the collecting shell 21 to the center of the collecting shell 21; a square sewage discharge port 211 penetrating into the collecting shell 21 is formed in the center of the square frustum-shaped bottom, a rubber plug 212 covering the square sewage discharge port 211 is arranged on the square sewage discharge port 211, rainwater enters the collecting shell 21 after being filtered by the first filter screen 28, the first filter screen 28 can only filter relatively large impurities, and fine silt is not completely filtered, so that the bottom surface of the collecting shell 21 is inclined through the arrangement of the square frustum-shaped bottom, silt deposition collection is facilitated, silt discharge is facilitated when the rubber plug 212 is opened, a mud scraping plate 4 is arranged at the edge, connected with the inner wall of the collecting shell 21, of each inclined bottom surface forming the square frustum-shaped bottom, the mud scraping plate 4 is formed by a middle plate 41 and side plates 42 respectively embedded at two ends of the middle plate 41 in a manner of sliding along the outer wall of the middle plate 41, the end portions of the side plates 42 are connected with the end portions of the middle plate 41 through springs, and the maximum length of the middle plate 41 and the inclined bottom surface is matched with the length of the edge, connected with the inner wall of the collecting shell 21, of the middle plate 41; the minimum length formed by the middle plate 41 and the side plate 42 is matched with the edge length of the square sewage draining exit 211; a control rod 5 is connected between the square sewage draining outlet 211 and the mud scraping plate 4, the control rod 5 is a telescopic rod body formed by mutually sleeving a first rod body and a second rod body, and the first rod body is an elastic rod body with adjustable length formed by connecting a plurality of annular hollow pipe bodies through elastic connecting rods; the second rod body is sleeved outside the first rod body and fixedly arranged along the bottom surface edge of each side wall of the collecting shell 21; the end parts of the first rod bodies are respectively connected with the end parts of the side plates 42 far away from the middle plate 41; the end part of the second rod body, which is far away from the first rod body, is connected with the end angle of the square sewage draining exit 211; wear to be equipped with in the second body of rod and connect rope 6, the both ends of connecting rope 6 are connected respectively the first body of rod with sideboard 42's link, and plug 212, in order to stimulate downwards during plug 212, make connect rope 6 to drive the shrink of the first body of rod, mud scraper 4 is followed the slope bottom surface gradually to square drain 211 direction removes, and then makes mud scraper 4 can scrape the silt of collecting the casing 21 bottom surface and discharge to square drain 211 department, does benefit to the cleanness in the collection casing 21, and simultaneously, when plug 212 fills again to square drain 211, because of the elastic connection pole who forms the first body of rod has lost external force, then can resume deformation, and then drive the elongated of the first body of rod, mud scraper 4 gets back to and collects casing 21 bottom surface border position, simultaneously, also because of the external force of spring between sideboard 42 and medium plate 41 disappearance gradually lengthen to and finally resume to and collect casing 21 bottom surface border length looks adaptation. The left side of the inner wall of the collecting shell 21 is fixedly connected with a connecting plate 25, the right side of the top of the connecting plate 25 is fixedly connected with a vertical plate 26, the surface of the vertical plate 26 is connected with a floating plate 27 matched with the water inlet 24 in a sliding mode, one side, close to the inner wall of the collecting shell 21, of the floating plate 27 is connected with the inner wall of the collecting shell 21 in a sliding mode, through the arrangement of the floating plate 27, the phenomenon that rainwater in the collecting shell 21 evaporates is avoided, when rainwater in the collecting shell 21 increases, the floating plate 27 drives the floating plate 27 to move upwards through buoyancy force on the rainwater, so that the water inlet 24 is sealed, the top of the collecting shell 21 is provided with a first filter screen 28, one side, close to the collecting shell 21, of the first filter screen 28 is fixedly connected with the collecting shell 21, the first filter screen 28 is L-shaped, the upper surface of the portion, located at the top of the collecting shell 21, of the first filter screen 28 is an arc surface which extends upwards around the lowest point, and the top surface of the first filter screen 28 is arranged, so that rainwater is collected into the collecting shell 21 more easily; rain drop sensor 29 is fixedly connected to the left side of the top of the drainage plate 23, a drain pipe communicated with the collection shell 21 is installed at the bottom of the right side of the collection shell, and a valve is installed on the drain pipe.
The cooling mechanism 3 comprises an exhaust fan 31, a heat dissipation port 32 and a connecting block 33, the exhaust fan 31 is installed on the right side of the electric cabinet body 1 and is located below the collecting shell 21, the top of the exhaust fan 31 is fixedly connected with an air suction pipe 34 communicated with the exhaust fan 31, one end of the air suction pipe 34 far away from the exhaust fan 31 penetrates through the collecting shell 21 and extends to the outside of the collecting shell, one end of the air suction pipe 34 close to the first filter screen 28 is in contact with the first filter screen 28, the left side of the exhaust fan 31 is fixedly connected with an air blowing head 35, the left end of the air blowing head 35 penetrates through the electric cabinet body 1 and extends to the inside of the electric cabinet body, the heat dissipation port 32 is arranged on the left side of the electric cabinet body 1, the inner wall of the heat dissipation port 32 is fixedly connected with a second filter screen 36, the connecting block 33 is installed on the bottom of the left side of the top plate 22, the top of the connecting block 33 is fixedly connected with a servo motor 37, the servo motor 37 is a forward and reverse rotation motor with a self-locking function, the bottom end of an output shaft of a servo motor 37 penetrates through the connecting block 33 and extends to the outside of the connecting block, the bottom end of the output shaft of the servo motor 37 is fixedly connected with a threaded rod 38, the surface of the threaded rod 38 is in threaded connection with a movable plate 39, one side of the movable plate 39, which is close to the power cabinet body 1, is in sliding connection with the power cabinet body 1, the left side of the movable plate 39 is fixedly connected with a rain baffle plate 310 which is matched with the heat dissipation port 32, the top of the left side of the inner wall of the power cabinet body 1 is fixedly connected with a PLC 311, the top of the inner wall of the power cabinet body 1 is fixedly connected with a temperature sensor 312, the PLC 311 is respectively and electrically connected with the raindrop sensor 29, the exhaust fan 31, the servo motor 37 and the temperature sensor 312, a control circuit can be realized by simple programming of technicians in the field, the control circuit belongs to common knowledge in the field, and no redundant description is given here, by arranging the first filter screen 28 and the second filter screen 36, dustproof effect is played, through collecting shell 21, roof 22, drainage plate 23, water inlet 24, connecting plate 25, riser 26, mutually supporting of kickboard 27 and first filter screen 28, thereby conveniently collect the rainwater, the radiating effect of cooling has been improved through the rainwater, the waste of resource has been avoided, through raindrop sensor 29, air exhauster 31, thermovent 32, connecting block 33, breathing pipe 34, blow head 35, second filter screen 36, servo motor 37, threaded rod 38, fly leaf 39, weather shield 310, mutually supporting of PLC controller 311 and temperature sensor 312, thereby the effect of electric power cabinet independently cooling has been realized, not only the cooling performance has been improved, and the rainwater enters into the inside of electric power cabinet through the thermovent when avoiding rainy season, the practicality is greatly improved, bring very big convenience for the user. When the temperature sensor 312 senses that the temperature in the electric power cabinet body 1 is higher than a set temperature value, the temperature sensor 312 transmits a signal to the PLC controller 311, the PLC controller 311 starts the exhaust fan 31 and the servo motor 37, the exhaust fan 31 blows air into the electric power cabinet body 1 through the air suction pipe 34 and the air blowing head 35, the air in the air suction pipe 34 is cooled by collecting water in the shell 21, so that the cooling and heat dissipating effects in the electric power cabinet body 1 are improved, the servo motor 37 drives the threaded rod 38 to rotate through the output shaft, the threaded rod 38 drives the movable plate 39 to move upwards, the movable plate 39 drives the rain shield 310 to move upwards, so that the rain shield 310 and the through groove 32 are not in the same horizontal plane, the cooling and heat dissipating effects are improved, when the rain sensor 29 senses rain or the cooling and heat dissipating are completed, the rain sensor 29 transmits a signal to the PLC controller 311, the servo motor 37 is started through the PLC controller 311, and the servo motor 37 drives the movable plate 39 and the rain shield 310 to recover the original position through the threaded rod 38.
In summary, the following steps: this electric power cabinet that can independently lower temperature through collecting shell 21, roof 22, drainage plate 23, water inlet 24, connecting plate 25, riser 26, mutual cooperation of kickboard 27 and first filter screen 28, through the cooperation of raindrop sensor 29, air exhauster 31, thermovent 32, connecting block 33, breathing pipe 34, blowhead 35, second filter screen 36, servo motor 37, threaded rod 38, fly leaf 39, weather shield 310, PLC controller 311 and temperature sensor 312, has solved the problem that proposes among the above-mentioned background art.
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 (6)
1. The utility model provides an electric power cabinet that can independently cool down, includes electric power cabinet body (1), collects mechanism (2) and cooling mechanism (3), its characterized in that: the collecting mechanism (2) is arranged on the electric power cabinet body (1), and the cooling mechanism (3) is arranged on the electric power cabinet body (1);
the collecting mechanism (2) comprises a collecting shell (21) and a top plate (22), the collecting shell (21) is installed at the top of the right side of the electric power cabinet body (1), the top plate (22) is installed at the top of the electric power cabinet body (1), a drainage plate (23) matched with the collecting shell (21) in use is installed at the top of the top plate (22), a water inlet (24) is formed in the right side of the top of the collecting shell (21), a connecting plate (25) is installed on the left side of the inner wall of the collecting shell (21), a vertical plate (26) is installed on the right side of the top of the connecting plate (25), a floating plate (27) matched with the water inlet (24) is connected to the surface of the vertical plate (26) in a sliding mode, a first filter screen (28) is arranged at the top of the collecting shell (21), and a raindrop sensor (29) is installed on the left side of the top of the drainage plate (23);
the cooling mechanism (3) comprises an exhaust fan (31), a heat dissipation port (32) and a connecting block (33), the exhaust fan (31) is installed on the right side of the electric power cabinet body (1) and located below the collection shell (21), an air suction pipe (34) communicated with the exhaust fan (31) is installed at the top of the exhaust fan (31), one end, far away from the exhaust fan (31), of the air suction pipe (34 penetrates through the collection shell (21) and extends to the outside of the collection shell, an air blowing head (35) is installed on the left side of the exhaust fan (31), the left end of the air blowing head (35) penetrates through the electric power cabinet body (1) and extends to the inside of the electric power cabinet body, the heat dissipation port (32) is opened on the left side of the electric power cabinet body (1), a second filter screen (36) is installed on the inner wall of the heat dissipation port (32), the connecting block (33) is installed at the left bottom of the top plate (22), a servo motor (37) is installed at the top of the connecting block (33), the bottom end of an output shaft of the servo motor (37) penetrates through the connecting block (33) and extends to the outside of the connecting block (33), a threaded rod (38) is installed at the bottom of the output shaft of the servo motor (37), and a rain blocking plate (39) is connected with a rain shield plate (39) and connected with a rain shield plate (310), a PLC (311) is installed at the top of the left side of the inner wall of the electric power cabinet body (1), a temperature sensor (312) is installed at the top of the inner wall of the electric power cabinet body (1), and the bottom surface of the collecting shell (21) is a square frustum-shaped bottom formed by inclined bottom surfaces, extending gradually from the bottom surface of each side wall of the collecting shell (21) to the center of the collecting shell (21); a square sewage draining outlet (211) penetrating into the collecting shell (21) is formed in the center of the square frustum-shaped bottom, and a rubber plug (212) for covering the square sewage draining outlet (211) is arranged on the square sewage draining outlet (211); the edge of each inclined bottom surface forming the square frustum-shaped bottom, which is connected with the inner wall of the collecting shell (21), is provided with a mud scraper (4), the mud scraper (4) consists of a middle plate (41) and side plates (42) which are respectively embedded at the two ends of the middle plate (41) in a manner of sliding along the outer wall of the middle plate (41), and the end parts of the side plates (42) are connected with the end part of the middle plate (41) through springs; the maximum length formed by the middle plate (41) and the side plate (42) is matched with the edge length of the connection between the inclined bottom surface and the inner wall of the collecting shell (21); the minimum length formed by the middle plate (41) and the side plates (42) is matched with the edge length of the square sewage draining outlet (211); a control rod (5) is connected between the square sewage draining outlet (211) and the mud scraping plate (4), the control rod (5) is a telescopic rod body formed by mutually sleeving a first rod body and a second rod body, and the first rod body is an elastic rod body with adjustable length and formed by connecting a plurality of annular hollow pipe bodies through elastic connecting rods; the second rod body is sleeved outside the first rod body and fixedly arranged along the bottom surface edge of each side wall of the collecting shell (21); the end parts of the first rod bodies are respectively connected with the end parts, far away from the middle plate (41), of the side plates (42); the end part of the second rod body, which is far away from the first rod body, is connected with an end corner of the square sewage draining exit (211); wear to be equipped with in the second body of rod and connect rope (6), the both ends of connecting rope (6) are connected respectively the first body of rod with the link of sideboard (42), and plug (212) to in the downward pulling during plug (212), make connect rope (6) drive the shrink of the first body of rod, mud scraper (4) are followed slope bottom surface gradually to square drain (211) direction removes.
2. The electric power cabinet capable of automatically cooling according to claim 1, characterized in that: one side of the floating plate (27) close to the inner wall of the collecting shell (21) is connected with the inner wall of the collecting shell (21) in a sliding way.
3. The electric power cabinet capable of being cooled autonomously according to claim 2, characterized in that: one side of the first filter screen (28) close to the collecting shell (21) is fixedly connected with the collecting shell (21), and the first filter screen (28) is L-shaped.
4. The electric power cabinet capable of being cooled autonomously according to claim 3, characterized in that: one side of the movable plate (39) close to the electric cabinet body (1) is connected with the electric cabinet body (1) in a sliding mode.
5. An electric power cabinet that can cool down by oneself according to claim 4, its characterized in that: one end of the air suction pipe (34) close to the first filter screen (28) is contacted with the first filter screen (28).
6. The electric power cabinet capable of being cooled autonomously according to claim 5, wherein: the upper surface of the part of the first filter screen (28) positioned at the top of the collecting shell (21) is an arc-shaped surface which takes the center as the lowest point and extends upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110014464.8A CN112670860B (en) | 2021-01-06 | 2021-01-06 | Electric power cabinet that can independently cool down |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110014464.8A CN112670860B (en) | 2021-01-06 | 2021-01-06 | Electric power cabinet that can independently cool down |
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| CN112670860A CN112670860A (en) | 2021-04-16 |
| CN112670860B true CN112670860B (en) | 2022-11-25 |
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| CN202110014464.8A Active CN112670860B (en) | 2021-01-06 | 2021-01-06 | Electric power cabinet that can independently cool down |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116507067B (en) * | 2023-06-09 | 2023-09-26 | 盛威安全设备(浙江)有限公司 | Waterproof type communication rack |
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| CN112670860A (en) | 2021-04-16 |
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