CN109449803B - Electric power measurement cabinet ventilation unit - Google Patents
Electric power measurement cabinet ventilation unit Download PDFInfo
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- CN109449803B CN109449803B CN201811528574.0A CN201811528574A CN109449803B CN 109449803 B CN109449803 B CN 109449803B CN 201811528574 A CN201811528574 A CN 201811528574A CN 109449803 B CN109449803 B CN 109449803B
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- metering cabinet
- welded
- cabinet body
- electric power
- hole
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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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses an electric power metering cabinet ventilation device which comprises a metering cabinet body and a through hole formed in the inner wall of one side of the bottom of the metering cabinet body, wherein a mounting plate is arranged right below the through hole, the top of the mounting plate is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a rotating shaft, an inclined plate welded on the inner wall of the metering cabinet body is arranged above the through hole, the top end of the rotating shaft penetrates through the inclined plate to extend to the upper part of the inclined plate and is welded with a first bevel gear, a plurality of fan blades are fixedly connected to the outer side of the rotating shaft, the fan blades are all positioned in the through hole, and a strip-. The measuring cabinet has reasonable design, is convenient for blowing outside air into the measuring cabinet body, can uniformly blow air flow into the measuring cabinet body, reduces blowing dead angles, is convenient for carrying out heat dissipation work on the measuring cabinet body, avoids damage caused by overheating in the measuring cabinet body, and is favorable for use.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a ventilation device of an electric power metering cabinet.
Background
The electric power metering cabinet is a cabinet body for installing the electric energy meter and controlling the electric energy meter, and becomes necessary equipment of electric power equipment due to popularization of electric power and basic requirements of life. Through the retrieval, the patent document of application number 201687713. X discloses an electric power measurement cabinet ventilation unit, including the measurement cabinet, measurement cabinet top and bottom all are provided with the getter device, the getter device includes the filter layer, filter layer upper end fixed mounting has first air intake fan, the top of measurement cabinet is connected with the second air intake fan at the downside of filter layer, refrigerating plant is installed to the inner wall both sides of measurement cabinet, the intelligent strapping table is installed to the inside lateral wall of measurement cabinet, one side of intelligent strapping table is connected with temperature sensor, the measurement cabinet outside is provided with the controller, the air discharge fan is installed to the both sides of measurement cabinet, the inside bottom of measurement cabinet is provided with the battery, the device reduces cabinet body internal temperature, intelligence environmental protection, the convection current design, cooling with higher speed, and easy operation, high durability and convenient use.
When the electric power metering cabinet is continuously used, a large amount of dust can be generated, and the accelerated aging of a circuit can be caused due to untimely heat dissipation. The ventilation device of the conventional electric power metering cabinet is poor in ventilation effect, dead angles are easily generated in heat dissipation, the heat dissipation efficiency is low, and the use is not facilitated, so that the ventilation device of the electric power metering cabinet is provided for solving the problems.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a ventilation device of an electric power metering cabinet.
The invention provides an electric power metering cabinet ventilation device, which comprises a metering cabinet body and a through hole formed in the inner wall of one side of the bottom of the metering cabinet body, wherein a mounting plate is arranged under the through hole, the top of the mounting plate is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a rotating shaft, an inclined plate welded on the inner wall of the metering cabinet body is arranged above the through hole, the top end of the rotating shaft penetrates through the inclined plate to extend to the upper part of the inclined plate and is welded with a first bevel gear, the outer side of the rotating shaft is fixedly connected with a plurality of fan blades, the fan blades are all positioned in the through hole, a strip-shaped groove is formed in the inner wall of one side of the metering cabinet body, a rectangular pipe is fixedly arranged on the inner wall of one side of the strip-shaped groove, the top end of the rectangular pipe is welded with the inner wall of the top of the strip-, the plurality of air inlet holes and the plurality of nozzles are arranged in a one-to-one correspondence manner, a plurality of circular shafts are welded on the inner walls of two sides of the strip-shaped groove, the circular shafts are positioned on one side of the rectangular pipe, which is far away from the air inlet holes, the outer sides of the circular shafts are rotatably provided with clapboards, and the plurality of clapboards and the plurality of nozzles are arranged in a staggered manner;
the same first wire drawing of fixedly connected with between two adjacent baffles, the bottom fixedly connected with second wire drawing of a baffle that lies in the below in a plurality of baffles, the top side welding of swash plate has the support, the top of support is rotated and is installed the primary shaft, the one end welding of primary shaft has second bevel gear, second bevel gear meshes with first bevel gear mutually, the other end welding of primary shaft has the carousel, the welding of one side top of carousel has the cylinder, the cover is rotated in the cylindrical outside and is equipped with the snap ring, the bottom of second wire drawing and the outside fixed connection of snap ring, the welding has same spring on the top side inner wall of the top that lies in a baffle of the top and the measurement cabinet body in a plurality of baffles.
Preferably, the montant has all been welded to the top both sides of mounting panel, and the top of montant welds with the bottom of the measurement cabinet body.
Preferably, one side of the rectangular pipe, which is far away from the air inlet hole, and one side of the inclined plate, which is close to the air inlet hole, are fixedly adhered with the same sealing gasket, and the outer side of the sealing gasket is fixedly adhered with the inner wall of the strip-shaped groove.
Preferably, the top side of the inclined plate is provided with a rotating shaft hole matched with the rotating shaft, and the rotating shaft is rotatably connected with the rotating shaft hole.
Preferably, a bearing is fixedly adhered to the outer side of the first shaft, and the top end of the bracket is welded with an outer ring of the bearing.
Preferably, a baffle is welded at one end, close to the air inlet, of the cylinder, and the baffle is matched with the clamping ring.
Preferably, a plurality of obliquely arranged air outlet holes are formed in the inner wall of the other side of the metering cabinet body.
Preferably, the teeth number of the second bevel gear is four to ten times that of the first bevel gear.
Compared with the prior art, the invention has the beneficial effects that:
(1) through the metering cabinet body, a through hole, a mounting plate, a motor, a rotating shaft, fan blades, an inclined plate, a strip-shaped groove, a rectangular pipe, a sealing gasket, a first conical gear, a support, a first shaft and a second conical gear, the motor is started, an output shaft of the motor drives the fan blades and the first conical gear to rotate through the rotating shaft, the fan blades push outside air into the metering cabinet body when rotating, airflow enters the rectangular pipe under the blocking effect of the inclined plate, the airflow is sprayed into the metering cabinet body through a nozzle, the first conical gear drives the second conical gear to rotate when rotating, and the second conical gear drives a turntable to rotate through the first shaft;
(2) through the carousel, the cylinder, the snap ring, the nozzle, the circle axle, a separation plate, first wire drawing, the second wire drawing, a spring, the inlet port, a baffle, bearing and venthole cooperate, it reciprocates to drive the snap ring through the cylinder when the carousel is rotatory, when the snap ring moves down, the snap ring passes through the second wire drawing and drives the below baffle below left side slope, the below slope of below left side simultaneously under the linkage effect of first wire drawing between the adjacent baffle, the spring is in by tensile state this moment, when the snap ring rebound, the elasticity of spring will drive the baffle that is located the top and resume to the horizontality, the air current that the nozzle produced is even blows to the measurement cabinet under the effect of baffle internal, be convenient for take away the internal heat of measurement cabinet, can carry out the work of dispelling the heat to the measurement cabinet body.
The measuring cabinet has reasonable design, is convenient for blowing outside air into the measuring cabinet body, can uniformly blow air flow into the measuring cabinet body, reduces blowing dead angles, is convenient for carrying out heat dissipation work on the measuring cabinet body, avoids damage caused by overheating in the measuring cabinet body, and is favorable for use.
Drawings
Fig. 1 is a schematic structural diagram of a ventilation device of an electric power metering cabinet according to the present invention;
FIG. 2 is a schematic structural diagram of a portion A of a ventilation device of an electric power metering cabinet according to the present invention;
FIG. 3 is a schematic structural diagram of a portion B of a ventilation device of an electric power metering cabinet according to the present invention;
FIG. 4 is a schematic structural diagram of a portion C of a ventilation device of an electric power metering cabinet according to the present invention;
fig. 5 is a schematic structural diagram of a portion D of a ventilation device of an electric power metering cabinet according to the present invention.
In the figure: the device comprises a metering cabinet body 1, a through hole 2, a mounting plate 3, a motor 4, a rotating shaft 5, fan blades 6, an inclined plate 7, a strip-shaped groove 8, a rectangular pipe 9, a sealing gasket 10, a first conical gear 11, a support 12, a first shaft 13, a second conical gear 14, a rotary table 15, a cylinder 16, a snap ring 17, a nozzle 18, a circular shaft 19, a partition plate 20, a first wire drawing 21, a second wire drawing 22, a spring 23, an air inlet 24, a baffle 25, a bearing 26 and an air outlet 27.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Examples
Referring to fig. 1-5, the embodiment provides an electric power metering cabinet ventilation device, which comprises a metering cabinet body 1 and a through hole 2 formed on an inner wall on one side of the bottom of the metering cabinet body 1, a mounting plate 3 is arranged under the through hole 2, a motor 4 is fixedly connected to the top of the mounting plate 3, a rotating shaft 5 is fixedly connected to an output shaft of the motor 4, an inclined plate 7 welded on the inner wall of the metering cabinet body 1 is arranged above the through hole 2, the top end of the rotating shaft 5 penetrates through the inclined plate 7 and extends to the upper side of the inclined plate 7 and is welded with a first bevel gear 11, a plurality of fan blades 6 are fixedly connected to the outer side of the rotating shaft 5, the plurality of fan blades 6 are all located in the through hole 2, a strip-shaped groove 8 is formed on the inner wall on one side of the metering cabinet body 1, a rectangular pipe 9 is fixedly installed on the inner wall on one side, a plurality of nozzles 18 are mounted on one side, close to the notch of the strip-shaped groove 8, of the rectangular pipe 9, a plurality of air inlet holes 24 are formed in the inner wall, far away from the notch of the strip-shaped groove 8, the plurality of air inlet holes 24 and the plurality of nozzles 18 are arranged in a one-to-one correspondence mode, a plurality of circular shafts 19 are welded on the inner walls of two sides of the strip-shaped groove 8, the circular shafts 19 are located on one side, far away from the air inlet holes 24, of the rectangular pipe 9, partition plates 20 are rotatably mounted on the outer sides of the; the same first wire drawing 21 is fixedly connected between two adjacent partition plates 20, a second wire drawing 22 is fixedly connected to the bottom of the lowest partition plate 20 in the partition plates 20, a support 12 is welded to the top side of the inclined plate 7, a first shaft 13 is rotatably installed at the top end of the support 12, a second bevel gear 14 is welded to one end of the first shaft 13, the second bevel gear 14 is meshed with the first bevel gear 11, a rotary disc 15 is welded to the other end of the first shaft 13, a cylinder 16 is welded to the top of one side of the rotary disc 15, a clamping ring 17 is rotatably sleeved on the outer side of the cylinder 16, the bottom end of the second wire drawing 22 is fixedly connected with the outer side of the clamping ring 17, the same spring 23 is welded to the top of the uppermost partition plate 20 in the partition plates 20 and the inner wall of the top side of the metering cabinet body 1, and the same spring 23 is welded to the inner wall, Under the matching of an inclined plate 7, a strip-shaped groove 8, a rectangular pipe 9, a sealing gasket 10, a first conical gear 11, a support 12, a first shaft 13 and a second conical gear 14, a motor 4 is started, an output shaft of the motor 4 drives a fan blade 6 and the first conical gear 11 to rotate through a rotating shaft 5, the fan blade 6 pushes outside air into a metering cabinet body 1 when rotating, airflow enters the rectangular pipe 9 under the blocking effect of the inclined plate 7, the airflow is sprayed into the metering cabinet body 1 through a nozzle 18, the first conical gear 11 drives the second conical gear 14 to rotate when rotating, and the second conical gear 14 drives a turntable 15 to rotate through the first shaft 13; under the matching of the turntable 15, the cylinder 16, the snap ring 17, the nozzle 18, the circular shaft 19, the partition plate 20, the first wire drawing 21, the second wire drawing 22, the spring 23, the air inlet hole 24, the baffle 25, the bearing 26 and the air outlet hole 27, the snap ring 17 is driven by the cylinder 16 to move up and down when the turntable 15 rotates, when the snap ring 17 moves down, the snap ring 17 drives the partition plate 20 positioned at the lowest part to incline towards the lower left part through the second wire drawing 22, the adjacent partition plates 20 are simultaneously inclined towards the lower left part under the connecting action of the first wire drawing 21, at the moment, the spring 23 is in a stretched state, when the snap ring 17 moves up, the elastic force of the spring 23 drives the partition plate 23 positioned at the highest part to return to a horizontal state, the air flow generated by the nozzle 18 is uniformly blown into the metering cabinet body 1 under the action of the partition plate 20, so that the heat in the metering cabinet body 1 can be taken away, the invention has reasonable design, is convenient for blowing the outside air into the metering cabinet body 1, can uniformly blow the air flow into the metering cabinet body 1, reduces blowing dead angles, is convenient for carrying out heat dissipation work on the metering cabinet body 1, avoids the damage caused by overheating in the metering cabinet body 1, and is beneficial to use.
In this embodiment, vertical rods are welded on two sides of the top of the mounting plate 3, the top of each vertical rod is welded with the bottom of the metering cabinet body 1, one side of the rectangular tube 9, which is far away from the air inlet 24, and one side of the inclined plate 7, which is close to the air inlet 24, are fixedly adhered with the same sealing gasket 10, the outer side of the sealing gasket 10 is fixedly adhered with the inner wall of the strip-shaped groove 8, a rotating shaft hole matched with the rotating shaft 5 is formed in the top side of the inclined plate 7, the rotating shaft 5 is rotatably connected with the rotating shaft hole, a bearing 26 is fixedly adhered on the outer side of the first shaft 13, the top of the support 12 is welded with the outer ring of the bearing 26, a baffle 25 is welded at one end of the cylinder 16, which is close to the air inlet 24, the baffle 25 is matched with the snap ring 17, a plurality of obliquely arranged air outlet holes 27 are, Through hole 2, mounting plate 3, motor 4, rotating shaft 5, flabellum 6, sloping plate 7, strip-shaped groove 8, rectangular tube 9, sealing gasket 10, first conical gear 11, support 12, first shaft 13 and second conical gear 14 are matched, motor 4 is started, the output shaft of motor 4 drives flabellum 6 and first conical gear 11 to rotate through rotating shaft 5, flabellum 6 pushes outside air into metering cabinet body 1 when rotating, airflow enters rectangular tube 9 under the blocking effect of sloping plate 7, airflow is sprayed into metering cabinet body 1 through nozzle 18, first conical gear 11 drives second conical gear 14 to rotate when rotating, second conical gear 14 drives rotary table 15 to rotate through first shaft 13; under the matching of the turntable 15, the cylinder 16, the snap ring 17, the nozzle 18, the circular shaft 19, the partition plate 20, the first wire drawing 21, the second wire drawing 22, the spring 23, the air inlet hole 24, the baffle 25, the bearing 26 and the air outlet hole 27, the snap ring 17 is driven by the cylinder 16 to move up and down when the turntable 15 rotates, when the snap ring 17 moves down, the snap ring 17 drives the partition plate 20 positioned at the lowest part to incline towards the lower left part through the second wire drawing 22, the adjacent partition plates 20 are simultaneously inclined towards the lower left part under the connecting action of the first wire drawing 21, at the moment, the spring 23 is in a stretched state, when the snap ring 17 moves up, the elastic force of the spring 23 drives the partition plate 23 positioned at the highest part to return to a horizontal state, the air flow generated by the nozzle 18 is uniformly blown into the metering cabinet body 1 under the action of the partition plate 20, so that the heat in the metering cabinet body 1 can be taken away, the invention has reasonable design, is convenient for blowing the outside air into the metering cabinet body 1, can uniformly blow the air flow into the metering cabinet body 1, reduces blowing dead angles, is convenient for carrying out heat dissipation work on the metering cabinet body 1, avoids the damage caused by overheating in the metering cabinet body 1, and is beneficial to use.
In the embodiment, when the metering device is used, commercial power or a storage battery is used for supplying power to the motor 4, a control switch is arranged on an input end of the motor 4, the motor 4 is started, an output shaft of the motor 4 drives the fan blade 6 and the first bevel gear 11 to start rotating through the rotating shaft 5, the fan blade 6 pushes outside air into the metering cabinet body 1 when rotating, air flow enters the rectangular pipe 9 under the blocking effect of the inclined plate 7, then the air flow is sprayed into the metering cabinet body 1 through the nozzle 18, the first bevel gear 11 drives the second bevel gear 14 to start rotating when rotating, the second bevel gear 14 drives the turntable 15 to start rotating through the first shaft 13, the turntable 15 drives the clamp ring 17 to move up and down through the cylinder 16 when rotating, when the clamp ring 17 moves down, the clamp ring 17 drives the partition plate 20 located at the lowest position to incline to the lower left through the second wire drawing 22, and adjacent partition plates 20 simultaneously incline to the lower left under the connecting effect of the first wire drawing, at this moment, the spring 23 is in a stretched state, when the snap ring 17 moves upwards, the elastic force of the spring 23 drives the partition plate 23 positioned at the top to recover to a horizontal state, and the air flow generated by the nozzle 18 can be uniformly blown into the metering cabinet body 1 under the action of the partition plate 20, so that the heat in the metering cabinet body 1 can be taken away conveniently, and the heat dissipation work can be carried out on the metering cabinet body 1.
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 (8)
1. A ventilation device of an electric power metering cabinet comprises a metering cabinet body (1) and a through hole (2) formed in the inner wall of one side of the bottom of the metering cabinet body (1), and is characterized in that a mounting plate (3) is arranged under the through hole (2), a motor (4) is fixedly connected to the top of the mounting plate (3), a rotating shaft (5) is fixedly connected to an output shaft of the motor (4), an inclined plate (7) welded on the inner wall of the metering cabinet body (1) is arranged above the through hole (2), the top end of the rotating shaft (5) penetrates through the inclined plate (7) and extends to the upper side of the inclined plate (7) and is welded with a first bevel gear (11), a plurality of fan blades (6) are fixedly connected to the outer side of the rotating shaft (5), the plurality of fan blades (6) are all positioned in the through hole (2), a strip-shaped groove (8) is formed in the inner wall of one side of the metering cabinet body (1), a rectangular pipe (9, the top of rectangular pipe (9) is welded with the top inner wall of strip groove (8), one side of rectangular pipe (9) close to the notch of strip groove (8) is provided with a plurality of nozzles (18), one side of strip groove (8) far away from the notch of strip groove (8) is provided with a plurality of air inlet holes (24), the air inlet holes (24) are arranged in one-to-one correspondence with the nozzles (18), the inner walls of two sides of strip groove (8) are welded with a plurality of round shafts (19), the round shafts (19) are positioned on one side of rectangular pipe (9) far away from the air inlet holes (24), the outer side of round shafts (19) is rotatably provided with a partition plate (20), and the partition plates (20) are arranged in a staggered manner with the nozzles (18);
the wire drawing machine is characterized in that the same first wire drawing (21) is fixedly connected between two adjacent partition plates (20), a second wire drawing (22) is fixedly connected to the bottom of the lowest partition plate (20) in the partition plates (20), a support (12) is welded on the top side of the inclined plate (7), a first shaft (13) is rotatably installed at the top end of the support (12), a second bevel gear (14) is welded at one end of the first shaft (13), the second bevel gear (14) is meshed with the first bevel gear (11), a rotary disc (15) is welded at the other end of the first shaft (13), a cylinder (16) is welded at the top of one side of the rotary disc (15), a clamping ring (17) is rotatably sleeved on the outer side of the cylinder (16), and the bottom end of the second wire drawing (22) is fixedly connected with, the same spring (23) is welded on the top of the uppermost partition plate (20) in the plurality of partition plates (20) and the inner wall of the top side of the metering cabinet body (1).
2. The ventilation device for the electric power metering cabinet according to claim 1, wherein vertical rods are welded on two sides of the top of the mounting plate (3), and the top ends of the vertical rods are welded with the bottom of the metering cabinet body (1).
3. The ventilation device of the electric power metering cabinet according to claim 1, wherein the same sealing gasket (10) is fixedly adhered to one side of the rectangular pipe (9) far away from the air inlet hole (24) and one side of the inclined plate (7) close to the air inlet hole (24), and the outer side of the sealing gasket (10) is fixedly adhered to the inner wall of the strip-shaped groove (8).
4. The ventilation device of the electric power metering cabinet according to claim 1, wherein a rotating shaft hole matched with the rotating shaft (5) is formed in the top side of the inclined plate (7), and the rotating shaft (5) is rotatably connected with the rotating shaft hole.
5. The ventilation device of the electric power metering cabinet as claimed in claim 1, wherein a bearing (26) is fixedly adhered to the outer side of the first shaft (13), and the top end of the bracket (12) is welded with the outer ring of the bearing (26).
6. The electric power metering cabinet ventilation device as claimed in claim 1, wherein a baffle (25) is welded to one end of the cylinder (16) close to the air inlet hole (24), and the baffle (25) is matched with the snap ring (17).
7. The ventilation device for the electric power metering cabinet according to claim 1, wherein a plurality of obliquely arranged air outlet holes (27) are formed in the inner wall of the other side of the metering cabinet body (1).
8. An electric power metering cabinet ventilating device according to claim 1, wherein the number of teeth of the second bevel gear (14) is four to ten times the number of teeth of the first bevel gear (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528574.0A CN109449803B (en) | 2018-12-13 | 2018-12-13 | Electric power measurement cabinet ventilation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528574.0A CN109449803B (en) | 2018-12-13 | 2018-12-13 | Electric power measurement cabinet ventilation unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109449803A CN109449803A (en) | 2019-03-08 |
| CN109449803B true CN109449803B (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811528574.0A Expired - Fee Related CN109449803B (en) | 2018-12-13 | 2018-12-13 | Electric power measurement cabinet ventilation unit |
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| CN (1) | CN109449803B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112057662A (en) * | 2019-06-11 | 2020-12-11 | 青岛市第六人民医院 | Gas sterilizing device for preventing infection |
| CN112134182A (en) * | 2020-09-22 | 2020-12-25 | 国网河南省电力公司武陟县供电公司 | Convection heat dissipation type low-voltage distribution switch cabinet |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4082925B2 (en) * | 2002-05-02 | 2008-04-30 | ホシザキ電機株式会社 | Refrigerator |
| CN204885938U (en) * | 2015-08-18 | 2015-12-16 | 昆明奥立特电力设备有限公司 | Looped netowrk cabinet with dehumidification function |
| CN206727488U (en) * | 2017-04-10 | 2017-12-08 | 泰兴市东城水处理工程有限公司 | A kind of electric power cabinet with dust reduction capability |
| CN207038977U (en) * | 2017-07-31 | 2018-02-23 | 付奎霖 | A kind of electric power cabinet with rain-proof, the heat sinking function that dehumidifies |
| CN207368466U (en) * | 2017-11-10 | 2018-05-15 | 福建雄风电气有限公司 | A kind of electric-power metering cabinet easy to heat dissipation |
| CN108988181A (en) * | 2018-08-23 | 2018-12-11 | 李娟� | A kind of air-permeable dampproof heat radiating type electric power electrical cabinet |
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2018
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