CN209461881U - A kind of power distribution cabinet of dustproof and waterproof - Google Patents
A kind of power distribution cabinet of dustproof and waterproof Download PDFInfo
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- CN209461881U CN209461881U CN201920177475.6U CN201920177475U CN209461881U CN 209461881 U CN209461881 U CN 209461881U CN 201920177475 U CN201920177475 U CN 201920177475U CN 209461881 U CN209461881 U CN 209461881U
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- cabinet body
- cooling
- mounting plate
- power distribution
- cabinet
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Abstract
The utility model relates to a kind of power distribution cabinets of dustproof and waterproof, it is related to power distribution cabinet technical field, cabinet body including being in sealed set, the cabinet body is equipped with door close, the cabinet body inside side walls are equipped with mounting plate vertically, the mounting plate is equipped with the cooling circuit full of coolant liquid, cooling body is equipped in the cabinet body periphery to be connected to the cooling circuit by pipeline, by the way that cooling circuit is arranged on a mounting board, the electric elements of installation on a mounting board can be cooled down, the heat that electric elements generate on cabinet body mounting plate simultaneously is ultimately conducted on the cooling body on the outside of cabinet body with cooling circuit, reduce cabinet body temperature, complete the cooling to interior of the cabinet electric elements.
Description
Technical field
The utility model relates to power distribution cabinet technical fields, more particularly, to a kind of power distribution cabinet of dustproof and waterproof.
Background technique
Power distribution cabinet (case) sub-power power distribution cabinet (case) and light distribution cabinet (case), metering cabinet (case), are the ends of distribution system
Grade equipment.Power distribution cabinet is the general designation of motor control center.Power distribution cabinet is used in the occasion that load is more dispersed, circuit is less；
The occasion that motor control center concentrates for load, circuit is more.Their electric energy a certain circuit of upper level controller switching equipment
Distribute to nearest load.This grade of equipment reply load provides protection, monitoring and control, at present due to the dust in factory compared with
It is more, it can enter in common power distribution cabinet, internal electronics instrument be damaged, or even cause fire sometimes, harmfulness
Greatly, simultaneously because the factory work time is longer, the time that power distribution cabinet utilizes also increases, and uses power distribution cabinet for a long time, internal
Temperature can increase, and circuit is caused to go wrong.
The power distribution cabinet of dusty space, including cabinet body and cabinet are used for as disclosed in the Chinese patent of notification number CN204927845U
Door, what is installed inside power distribution cabinet is electric component, and the cabinet body is connected with pipeline, there is pressure fan among pipeline, pipeline it is another
The filter device open at one end that air is provided among clean space, the pipeline, such power distribution cabinet can be installed
In the biggish space of dust, the advantage for keeping cleaning inside degree more preferable；The filtering dress of air is provided among the pipeline
It sets, also has the advantages that cleaning effect is more preferable.
But above-mentioned technology has the following deficiencies: when humidity is excessive in working environment, steam is with dust in above-mentioned filtering
Aggregation in device, is easy blocking filtering device, causes distribution in-cabinet temperature excessively high, when steam enters power distribution cabinet, also easily causes short
Road.
Utility model content
The purpose of the utility model is to provide a kind of power distribution cabinet of dustproof and waterproof, it is avoided that in environment that dust and steam enter
Power distribution cabinet corrodes internal element.
The above-mentioned purpose of the utility model has the technical scheme that a kind of distribution of dustproof and waterproof
Cabinet, the cabinet body including being in sealed set, the cabinet body are equipped with door close, and the cabinet body inside side walls are equipped with mounting plate vertically, institute
It states mounting plate and is equipped with the cooling circuit full of coolant liquid, Yu Suoshu cabinet body periphery is equipped with cooling body and the cooling circuit is logical
Piping connection.
Implement above-mentioned technical proposal, it, can be to the electric appliance of installation on a mounting board by the way that cooling circuit is arranged on a mounting board
Element is cooled down, while the heat that electric elements generate on cabinet body mounting plate is ultimately conducted on the outside of cabinet body with cooling circuit
On cooling body, cabinet body temperature is reduced, completes the cooling to interior of the cabinet electric elements.
The utility model is further arranged to: the " T " shape setting in mounting plate section, mounting plate convex portion court
It is arranged to the door close, the cooling circuit is set around the mounting plate periphery.
Implement above-mentioned technical proposal, mounting plate is arranged " T " shape, it is possible to increase the mounting area on mounting plate, convenient for receiving
It receives more electric elements and cable, while also extending the laying length of cooling circuit.
The utility model is further arranged to: the cooling circuit includes the cooling along the mounting plate outer periphery along setting
Pipe, the cooling tube head and the tail are connected to and are connected to the cooling body.
Implement above-mentioned technical proposal, by the way that cooling tube joins end to end, so that coolant liquid forms circulation in cooling tube.
The utility model is further arranged to: the cooling tube is in the rectangular tubular of inner hollow.
Implement above-mentioned technical proposal, by the rectangular panel body for by cooling tube setting being in inner hollow, it is possible to increase coolant liquid exists
Contact area in cooling tube, while extending residence time of the coolant liquid in cooling tube.
The utility model is further arranged to: the cooling tube, which is equipped with, to be connected to and to the mounting plate with the cooling tube
The cooling fin that plate face extends.
Implement above-mentioned technical proposal, setting cooling fin can preferably convert the heat conduction of electric elements on mounting plate extremely
Inside coolant liquid.
The utility model is further arranged to: the cooling body includes the heat exchange time that the cabinet body lateral wall is arranged in
Road, the heat-exchanging loop are in that continuous " s " shape is arranged on the cabinet body lateral wall, and the heat-exchanging loop is equipped with several heat dissipations
Fan, the cabinet body side are additionally provided with refrigerant reservoir, and liquid pump, the heat-exchanging loop one are connected in the refrigerant reservoir
End is connected to the cooling circuit, and the other end is connected to the liquid pump.
Implement above-mentioned technical proposal, when coolant liquid recycles in cooling circuit, is then passed through heat-exchanging loop, opens radiation air
Fan.Promote heat-exchanging loop in coolant liquid by heat and air exchange, while by the coolant liquid after heat dissipation be pumped into refrigerant reservoir into
Row is further cooling, and coolant liquid is pumped into cooling circuit simultaneously by liquid pump.
The utility model is further arranged to: alarm system, including the door close direction are additionally provided on the door close
The temperature sensor and humidity sensor that the cabinet body side is equipped with, the door close are equipped with central controller, the alarm
System further includes the alarming horn being arranged on the door close door leaf, the temperature sensor, the humidity sensor and institute
Alarming horn is stated to connect with the central controller.
Implement above-mentioned technical proposal, alarm system is set, after distribution cabinet humidity, temperature exceed fence coverage, temperature
Signal is fed back to central controller by sensor and humidity sensor, and central controller controls alarming horn sounds an alarm.
The utility model is further arranged to: the cabinet body is equipped with wire guide, the wire guide in the mounting plate lower end
Water proof sealing ring is equipped with the door close periphery.
Implement above-mentioned technical proposal, setting water proof sealing ring can avoid water and be overflow along wire guide and door close into cabinet body.
In conclusion the advantageous effects of the utility model are as follows:
1. a kind of power distribution cabinet of dustproof and waterproof, the cabinet body including being in sealed set, the cabinet body are equipped with door close, the cabinet
Internal side sidewalls vertical is equipped with mounting plate, and the mounting plate is equipped with the cooling circuit full of coolant liquid, Yu Suoshu cabinet body periphery
It is connected to the cooling circuit by pipeline equipped with cooling body, it, can be to being mounted on by the way that cooling circuit is arranged on a mounting board
Electric elements on mounting plate are cooled down, while the heat that electric elements generate on cabinet body mounting plate is finally passed with cooling circuit
It is directed on the cooling body on the outside of cabinet body, reduces cabinet body temperature, complete the cooling to interior of the cabinet electric elements, completely cut off steam
And dust；
2. alarm system is additionally provided on door close, after distribution cabinet humidity, temperature exceed fence coverage, temperature sensing
Signal is fed back to central controller by device and humidity sensor, and central controller controls alarming horn sounds an alarm, and improves dress
The safety set.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the configuration schematic diagram of the utility model.
In figure: 1, cabinet body；2, door close；3, mounting plate；4, cooling circuit；5, cooling body；6, wire guide；7, water proof is close
Seal；8, alarm system；9, temperature sensor；10, humidity sensor；11, alarming horn；12, cooling tube；13, cooling fin；
14, heat-exchanging loop；15, radiator fan；16, refrigerant reservoir；17, liquid pump.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Fig.1, is a kind of power distribution cabinet of dustproof and waterproof disclosed by the utility model, the cabinet body 1 including being in sealed set,
Cabinet body 1 is vertically arranged, and in being provided with door close 2 on cabinet body 1, door close 2 is hinged in cabinet body 1, and 1 inner vertical of cabinet body is provided with peace
Loading board 3, mounting plate 3 is " T " shape to be vertically arranged, and one side is bonded with 1 vertical plane of cabinet body, and another side is towards door close 2, in installation
3 periphery of plate is arranged with cooling circuit 4, is full of coolant liquid in cooling circuit 4, while 1 side of cabinet body being provided with cooling body 5,
Cooling circuit 4 is connected to by pipeline with cooling body 5, and cabinet body 1 is equipped with wire guide 6, the wire guide in 3 lower end of mounting plate
6 and 2 periphery of the door close be equipped with water proof sealing ring 7, setting sealing ring can obstruct dust and enter cabinet body 1, therefore, by pacifying
Cooling circuit 4 is set in loading board 3, the electric elements being mounted on mounting plate 3 can be cooled down, is in " T " by the setting of mounting plate 3
Shape, it is possible to increase the mounting area on mounting plate 3 convenient for storing more electric elements and cable, while also being extended and being cooled back
The laying length on road 4, while the heat that electric elements generate on 1 mounting plate 3 of cabinet body is ultimately conducted to cabinet body 1 with cooling circuit 4
On the cooling body 5 in outside, temperature in cabinet body 1 is reduced, completes the cooling to 1 inside electric elements of cabinet body.
Referring to Fig. 2, it is additionally provided with alarm system 8 on door close 2, including the door close 2 is equipped with towards 1 side of cabinet body
Temperature sensor 9 and humidity sensor 10, the door close 2 be equipped with central controller, the alarm system 8 further includes setting
Set the alarming horn 11 on 2 door leaf of door close, the temperature sensor 9, the humidity sensor 10 and the alarm
Loudspeaker 11 are connect with the central controller, and alarm system 8 is arranged, when distribution cabinet humidity is practical to this below in conjunction with attached drawing
It is novel to be described in further detail.
It referring to Fig.1, is a kind of power distribution cabinet of dustproof and waterproof disclosed by the utility model, the cabinet body 1 including being in sealed set,
Cabinet body 1 is vertically arranged, and in being provided with door close 2 on cabinet body 1, door close 2 is hinged in cabinet body 1, and 1 inner vertical of cabinet body is provided with peace
Loading board 3, mounting plate 3 is " T " shape to be vertically arranged, and one side is bonded with 1 vertical plane of cabinet body, and another side is towards door close 2, in installation
3 periphery of plate is arranged with cooling circuit 4, is full of coolant liquid in cooling circuit 4, while 1 side of cabinet body being provided with cooling body 5,
Cooling circuit 4 is connected to by pipeline with cooling body 5, and cabinet body 1 is equipped with wire guide 6, the wire guide in 3 lower end of mounting plate
6 and 2 periphery of the door close be equipped with water proof sealing ring 7, setting sealing ring can obstruct dust and enter cabinet body 1, therefore, by pacifying
Cooling circuit 4 is set in loading board 3, the electric elements being mounted on mounting plate 3 can be cooled down, is in " T " by the setting of mounting plate 3
Shape, it is possible to increase the mounting area on mounting plate 3 convenient for storing more electric elements and cable, while also being extended and being cooled back
The laying length on road 4, while the heat that electric elements generate on 1 mounting plate 3 of cabinet body is ultimately conducted to cabinet body 1 with cooling circuit 4
On the cooling body 5 in outside, temperature in cabinet body 1 is reduced, completes the cooling to 1 inside electric elements of cabinet body.
Referring to Fig. 2, it is additionally provided with alarm system 8 on door close 2, including the door close 2 is equipped with towards 1 side of cabinet body
Temperature sensor 9 and humidity sensor 10, the door close 2 be equipped with central controller, the alarm system 8 further includes setting
The alarming horn 11 on 2 door leaf of door close is set, after the temperature sensor 9, temperature exceed fence coverage, temperature sensing
Signal is fed back to central controller by device 9 and humidity sensor 10, and central controller controls alarming horn 11 sounds an alarm.
Referring to Fig. 2, cooling circuit 4 includes the cooling tube 12 along 3 outer periphery of mounting plate along setting, the cooling tube 12
Head and the tail are connected to and are connected to the cooling body 5, and cooling tube 12 joins end to end, and follows so that coolant liquid is formed in cooling tube 12
Ring, cooling tube 12 are in the rectangular tubular of inner hollow, it is possible to increase contact area of the coolant liquid in cooling tube 12, while extending cold
But residence time of the liquid in cooling tube 12, the cooling tube 12, which is equipped with, to be connected to and to the mounting plate with the cooling tube 12
The cooling fin 13 that 3 plate faces extend, it is possible to increase contact area of the coolant liquid in cooling tube 12, while extending coolant liquid in cooling tube
Residence time in 12, after coolant liquid recycles a circle in cooling tube 12, into cooling body 5, cooling body 5 includes that setting exists
The heat-exchanging loop 14 of 1 lateral wall of cabinet body, the heat-exchanging loop 14 are in that continuous " s " shape is arranged in 1 lateral wall of cabinet body
On, the heat-exchanging loop 14 is equipped with several radiator fans 15, and 1 side of cabinet body is additionally provided with refrigerant reservoir 16, described cold
But liquid pump 17 is connected on agent storage tank 16, described 14 one end of heat-exchanging loop is connected to the cooling circuit 4, the other end with it is described
Liquid pump 17 is connected to, and when coolant liquid recycles in cooling circuit 4, is then passed through heat-exchanging loop 14, is opened radiator fan 15.Promote
Coolant liquid is by heat and air exchange in heat-exchanging loop 14, at the same by the coolant liquid after heat dissipation be pumped into refrigerant reservoir 16 carry out into
One step is cooling, and coolant liquid is pumped into cooling circuit 4 simultaneously by liquid pump 17.
The course of work (principle): the utility model discloses a kind of power distribution cabinet of dustproof and waterproof, including cabinet body 1, and cabinet body 1 is set
There is door close 2,1 inside side walls of cabinet body are equipped with mounting plate 3 vertically, and 1 inside side walls of cabinet body, which are equipped with to be arranged on mounting plate 3 vertically, fills
The cooling circuit 4 of full coolant liquid, for cooling circuit 4 by the cooling body 5 outside pipeline connection, cooling circuit 4 includes head and the tail phase
Cooling tube 12 even is equipped with cooling fin 13 in cooling tube 12, can be to being mounted on by the way that cooling circuit 4 is arranged on mounting plate 3
Electric elements on mounting plate 3 are cooled down, and the heat of electric elements is conducted by mounting plate 3 and cooling fin 13 to cooling tube 12
It is interior, and carry out heat exchange with coolant liquid in cooling tube 12, by heat along 12 circulation conveying of cooling tube to external heat-exchanging loop 14,
Heat in coolant liquid is exchanged with the external world, subsequently into coolant liquid storage tank, while the liquid pump 17 being arranged on coolant liquid storage tank
Coolant liquid is continued to be pumped into cooling circuit 4, present apparatus good cooling results, while dust steam being avoided to enter in cabinet body 1.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: after all structure, shape temperature according to the utility model exceed fence coverage, temperature sensor 9 and humidity
Signal is fed back to central controller by sensor 10, and central controller controls alarming horn 11 sounds an alarm.
Referring to Fig. 2, cooling circuit 4 includes the cooling tube 12 along 3 outer periphery of mounting plate along setting, the cooling tube 12
Head and the tail are connected to and are connected to the cooling body 5, and cooling tube 12 joins end to end, and follows so that coolant liquid is formed in cooling tube 12
Ring, cooling tube 12 are in the rectangular tubular of inner hollow, it is possible to increase contact area of the coolant liquid in cooling tube 12, while extending cold
But residence time of the liquid in cooling tube 12, the cooling tube 12, which is equipped with, to be connected to and to the mounting plate with the cooling tube 12
The cooling fin 13 that 3 plate faces extend, it is possible to increase contact area of the coolant liquid in cooling tube 12, while extending coolant liquid in cooling tube
Residence time in 12, after coolant liquid recycles a circle in cooling tube 12, into cooling body 5, cooling body 5 includes that setting exists
The heat-exchanging loop 14 of 1 lateral wall of cabinet body, the heat-exchanging loop 14 are in that continuous " s " shape is arranged in 1 lateral wall of cabinet body
On, the heat-exchanging loop 14 is equipped with several radiator fans 15, and 1 side of cabinet body is additionally provided with refrigerant reservoir 16, described cold
But liquid pump 17 is connected on agent storage tank 16, described 14 one end of heat-exchanging loop is connected to the cooling circuit 4, the other end with it is described
Liquid pump 17 is connected to, and when coolant liquid recycles in cooling circuit 4, is then passed through heat-exchanging loop 14, is opened radiator fan 15.Promote
Coolant liquid is by heat and air exchange in heat-exchanging loop 14, at the same by the coolant liquid after heat dissipation be pumped into refrigerant reservoir 16 carry out into
One step is cooling, and coolant liquid is pumped into cooling circuit 4 simultaneously by liquid pump 17.
The course of work (principle): the utility model discloses a kind of power distribution cabinet of dustproof and waterproof, including cabinet body 1, and cabinet body 1 is set
There is door close 2,1 inside side walls of cabinet body are equipped with mounting plate 3 vertically, and 1 inside side walls of cabinet body, which are equipped with to be arranged on mounting plate 3 vertically, fills
The cooling circuit 4 of full coolant liquid, for cooling circuit 4 by the cooling body 5 outside pipeline connection, cooling circuit 4 includes head and the tail phase
Cooling tube 12 even is equipped with cooling fin 13 in cooling tube 12, can be to being mounted on by the way that cooling circuit 4 is arranged on mounting plate 3
Electric elements on mounting plate 3 are cooled down, and the heat of electric elements is conducted by mounting plate 3 and cooling fin 13 to cooling tube 12
It is interior, and carry out heat exchange with coolant liquid in cooling tube 12, by heat along 12 circulation conveying of cooling tube to external heat-exchanging loop 14,
Heat in coolant liquid is exchanged with the external world, subsequently into coolant liquid storage tank, while the liquid pump 17 being arranged on coolant liquid storage tank
Coolant liquid is continued to be pumped into cooling circuit 4, present apparatus good cooling results, while dust steam being avoided to enter in cabinet body 1.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structure, principles according to the utility model are done should all be covered by the utility model
Protection scope within.
Claims (8)
1. a kind of power distribution cabinet of dustproof and waterproof, it is characterised in that: the cabinet body (1) including being in sealed set, the cabinet body (1) are equipped with
Door close (2), cabinet body (1) inside side walls are equipped with mounting plate (3) vertically, and the mounting plate (3), which is equipped with, is full of coolant liquid
Cooling circuit (4), Yu Suoshu cabinet body (1) periphery be equipped with cooling body (5) be connected to the cooling circuit (4) by pipeline.
2. a kind of power distribution cabinet of dustproof and waterproof according to claim 1, it is characterised in that: mounting plate (3) section is in
"T"-shaped setting, mounting plate (3) convex portion are arranged towards the door close (2), and the cooling circuit (4) is set around institute
State mounting plate (3) periphery.
3. a kind of power distribution cabinet of dustproof and waterproof according to claim 1, it is characterised in that: the cooling circuit (4) includes
Along the mounting plate (3) outer periphery along the cooling tube (12) of setting, the connection of the cooling tube (12) head and the tail and with the cooler
Structure (5) connection.
4. a kind of power distribution cabinet of dustproof and waterproof according to claim 3, it is characterised in that: the cooling tube (12) is in inside
Hollow rectangular tubular.
5. a kind of power distribution cabinet of dustproof and waterproof according to claim 4, it is characterised in that: the cooling tube (12) is equipped with
The cooling fin (13) for being connected to the cooling tube (12) and extending to the mounting plate (3) plate face.
6. a kind of power distribution cabinet of dustproof and waterproof according to claim 1, it is characterised in that: the cooling body (5) includes
Heat-exchanging loop (14) in the cabinet body (1) lateral wall is set, and the heat-exchanging loop (14) is in that continuous " s " shape is arranged described
On cabinet body (1) lateral wall, the heat-exchanging loop (14) is equipped with several radiator fans (15), and cabinet body (1) side is additionally provided with
Refrigerant reservoir (16) is connected with liquid pump (17) on the refrigerant reservoir (16), described heat-exchanging loop (14) one end and institute
Cooling circuit (4) connection is stated, the other end is connected to the liquid pump (17).
7. a kind of power distribution cabinet of dustproof and waterproof according to claim 1, it is characterised in that: also set on the door close (2)
There are alarm system (8), the temperature sensor (9) and humidity being equipped with including the door close (2) towards the cabinet body (1) side pass
Sensor (10), the door close (2) are equipped with central controller, and the alarm system (8) further includes being arranged in the door close
(2) alarming horn on door leaf (11), the temperature sensor (9), the humidity sensor (10) and the alarming horn
(11) it is connect with the central controller.
8. a kind of power distribution cabinet of dustproof and waterproof according to claim 1, it is characterised in that: the cabinet body (1) is in the peace
Loading board (3) lower end is equipped with wire guide (6), and the wire guide (6) and the door close (2) periphery are equipped with water proof sealing ring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920177475.6U CN209461881U (en) | 2019-01-31 | 2019-01-31 | A kind of power distribution cabinet of dustproof and waterproof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920177475.6U CN209461881U (en) | 2019-01-31 | 2019-01-31 | A kind of power distribution cabinet of dustproof and waterproof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209461881U true CN209461881U (en) | 2019-10-01 |
Family
ID=68046448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920177475.6U Expired - Fee Related CN209461881U (en) | 2019-01-31 | 2019-01-31 | A kind of power distribution cabinet of dustproof and waterproof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209461881U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029942A (en) * | 2019-11-29 | 2020-04-17 | 邹平市供电公司 | High-temperature early warning device of power equipment |
| CN112164997A (en) * | 2020-10-19 | 2021-01-01 | 广东海洋大学 | Outdoor explosion-proof vertical electrical control cabinet with built-in heat dissipation protection structure |
| CN113437694A (en) * | 2021-06-16 | 2021-09-24 | 淮南万泰电气有限公司 | Closed looped netowrk cabinet heat radiation structure of aerifing |
-
2019
- 2019-01-31 CN CN201920177475.6U patent/CN209461881U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029942A (en) * | 2019-11-29 | 2020-04-17 | 邹平市供电公司 | High-temperature early warning device of power equipment |
| CN112164997A (en) * | 2020-10-19 | 2021-01-01 | 广东海洋大学 | Outdoor explosion-proof vertical electrical control cabinet with built-in heat dissipation protection structure |
| CN112164997B (en) * | 2020-10-19 | 2022-08-02 | 广东海洋大学 | Outdoor explosion-proof vertical electrical control cabinet with built-in heat dissipation protection structure |
| CN113437694A (en) * | 2021-06-16 | 2021-09-24 | 淮南万泰电气有限公司 | Closed looped netowrk cabinet heat radiation structure of aerifing |
| CN113437694B (en) * | 2021-06-16 | 2023-02-17 | 淮南万泰电气有限公司 | Closed looped netowrk cabinet heat radiation structure of aerifing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191001 Termination date: 20220131 |