CN219108065U - Cooling device of electrical control cabinet - Google Patents
Cooling device of electrical control cabinet Download PDFInfo
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- CN219108065U CN219108065U CN202223201527.XU CN202223201527U CN219108065U CN 219108065 U CN219108065 U CN 219108065U CN 202223201527 U CN202223201527 U CN 202223201527U CN 219108065 U CN219108065 U CN 219108065U
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- control cabinet
- electrical control
- fan
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- heat exchange
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Abstract
The utility model relates to a cooling device of an electrical control cabinet, which comprises a cooling air path circulating pipe, and further comprises a first fan, a first filtering component, a heat exchange cavity, a second filtering component and a second fan which are sequentially connected onto the cooling air path circulating pipe; the inlet of the first fan and the outlet of the second fan are connected with an electrical control cabinet; and the heat exchange cavity is coupled with a heat pump cycle. Compared with the prior art, the utility model avoids the negative influence of wet air and dust-containing air on the electrical control cabinet, only transmits the filtered dry dust-free cold air to the electrical control cabinet, and remarkably improves the refrigeration effect and the service life of the electrical control cabinet.
Description
Technical Field
The utility model relates to the technical field of industrial cooling, in particular to a cooling device of an electrical control cabinet.
Background
Along with the continuous development of the intelligent power grid, the requirements on the control cabinet are higher and higher, and the more precise elements are used in the PLC cabinet and the frequency conversion cabinet, the more precise elements are, the higher the requirements on the use environment are, such as the temperature, the humidity and other environments, particularly the temperature is required, and various charged equipment in the cabinet can emit heat during operation, so that the heat must be emitted in time, and if the heat is poorly dissipated, the temperature is increased in an accumulated way, so that some equipment elements in the cabinet are greatly damaged. Therefore, the heat dissipation of the electrical control cabinet is one of important links
Fan cooling is achieved by enhancing air convection, which has the advantages of low investment and low running cost, but the disadvantage is particularly pronounced because of the air convection. Dust, greasy dirt and corrosive substances in the outside air enter the control cabinet along with the air, are adsorbed on the electronic component under the action of static electricity, are accumulated in a large quantity, sometimes corrode a circuit board under different working environments, and sometimes too thick dust can conduct electricity after being wet to cause accidents such as short circuit and burning. Even such users in China can not open the case under the condition that the cooling effect of the fan is bad, and the fan is used for directly blowing air to the electronic components, so that dust backlog is more serious, and the cooling effect is not achieved under the condition that the temperature of the working environment is high.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the cooling device for the electrical control cabinet, so that the negative influence of wet air and dust-containing air on the electrical control cabinet is avoided, only the filtered dry dust-free cold air is conveyed into the electrical control cabinet, and the refrigeration effect and the service life of the electrical control cabinet are obviously improved.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a cooling device of an electrical control cabinet, which comprises a cooling air path circulating pipe, and further comprises a first fan, a first filtering component, a heat exchange cavity, a second filtering component and a second fan which are sequentially connected onto the cooling air path circulating pipe;
the inlet of the first fan and the outlet of the second fan are connected with an electrical control cabinet;
and the heat exchange cavity is coupled with a heat pump cycle.
Further, an inlet of the first fan is connected with the top of the electrical control cabinet, and an outlet of the first fan is connected with the first filtering component.
Further, an inlet of the second fan is connected with the second filtering component, and an outlet of the second fan is connected with the bottom of the electrical control cabinet.
Further, the first filter assembly and the second filter assembly each include a housing and a secondary filter layer disposed in the housing.
Further, the secondary filter layer includes a dehumidifying layer and a dust removing layer.
Further, the dehumidifying layer is a net-shaped box body filled with a 3A molecular sieve;
the dust removing layer is a net-shaped box body filled with sponge.
Further, the heat pump cycle includes a compressor, a condenser, a throttle valve, and an evaporator connected in sequence through a refrigerant line.
Further, the heat exchange cavity is a sealed shell, and the evaporator is arranged in the heat exchange cavity.
Further, the evaporator is provided with a plurality of fins.
Further, a fan is arranged on one side of the condenser.
Compared with the prior art, the utility model has the following technical advantages:
1) Through the two-stage filtering component at the inlet outlet and the outlet in the technical scheme, the negative influence of wet air and dust-containing air on the electrical control cabinet is avoided, and only the filtered dry dust-free cold air is conveyed to the electrical control cabinet, so that the refrigerating effect and the service life of the electrical control cabinet are obviously improved.
2) According to the technical scheme, the evaporator arranged in the sealed shell is adopted, the size and the shape of the sealed shell are specifically designed according to heat exchange requirements, the evaporator is provided with a plurality of fins, the surface area expanded by the fins exchanges heat with hot air output from the electrical control cabinet, and the refrigeration effect of single circulation is remarkably improved.
Drawings
Fig. 1 is a schematic structural diagram of a cooling device of an electrical control cabinet in the present technical solution.
In the figure: 1. the electric control cabinet comprises an electric control cabinet body, 2, a cooling air path circulating pipe, 3, a first fan, 4, a heat exchange cavity, 5, a second fan, 6, a shell, 7, a dehumidification layer, 8, a dust removal layer, 9, a compressor, 10, a condenser, 11, a throttle valve, 12, an evaporator, 13 and a fan.
Detailed Description
The utility model will now be described in detail with reference to the drawings and specific examples. In the technical scheme, the characteristics such as the names of structures/modules, control modes, algorithms, process procedures or composition ratios and the like which are not explicitly described are regarded as common technical characteristics disclosed in the prior art.
Referring to fig. 1, the cooling device of the electrical control cabinet in the technical scheme comprises a cooling air path circulating pipe 2, and further comprises a first fan 3, a first filtering component, a heat exchange cavity 4, a second filtering component and a second fan 5 which are sequentially connected onto the cooling air path circulating pipe 2; the inlet of the first fan 3 and the outlet of the second fan 5 are connected with the electrical control cabinet 1; the heat exchange cavity 4 is coupled with a heat pump cycle.
In specific implementation, the inlet of the first fan 3 is connected with the top of the electrical control cabinet 1, and the outlet of the first fan 3 is connected with the first filtering component. The inlet of the second fan 5 is connected with the second filtering component, and the outlet of the second fan 5 is connected with the bottom of the electrical control cabinet 1. In the technical scheme, a bottom feeding and ejection mode is adopted.
In particular, the first filter assembly and the second filter assembly each comprise a housing 6 and a secondary filter layer disposed in the housing. The secondary filter layer comprises a dehumidifying layer 7 and a dedusting layer 8. The dehumidifying layer 7 is a net-shaped box body filled with a 3A molecular sieve; the dust removing layer 8 is a net-shaped box body filled with sponge. Through the two-stage filtering component at the inlet outlet and the outlet in the technical scheme, the negative influence of wet air and dust-containing air on the electrical control cabinet is avoided, and only the filtered dry dust-free cold air is conveyed to the electrical control cabinet 1, so that the refrigerating effect and the service life of the electrical control cabinet 1 are obviously improved.
In particular, the heat pump cycle comprises a compressor 9, a condenser 10, a throttle valve 11, and an evaporator 12 connected in sequence by refrigerant lines. The heat exchange cavity 4 is a sealed shell, and the evaporator 12 is arranged in the heat exchange cavity 4. According to the technical scheme, the evaporator 12 arranged in the sealed shell is adopted, the size and the shape of the sealed shell are specifically designed according to heat exchange requirements, the evaporator 12 is provided with a plurality of fins, the surface area expanded by the fins exchanges heat with hot air output from the electrical control cabinet 1, and the refrigeration effect of single circulation is remarkably improved. Meanwhile, a fan 13 is arranged on one side of the condenser 10, so that the heat exchange process is enhanced.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.
Claims (10)
1. The cooling device of the electrical control cabinet is characterized by comprising a cooling air path circulating pipe (2), and further comprising a first fan (3), a first filtering component, a heat exchange cavity (4), a second filtering component and a second fan (5) which are sequentially connected onto the cooling air path circulating pipe (2);
the inlet of the first fan (3) and the outlet of the second fan (5) are connected with an electrical control cabinet (1);
and the heat exchange cavity (4) is connected with a heat pump cycle in a coupling way.
2. An electrical control cabinet cooling arrangement according to claim 1, characterized in that the inlet of the first fan (3) is connected to the top of the electrical control cabinet (1), and the outlet of the first fan (3) is connected to the first filter assembly.
3. An electrical control cabinet cooling arrangement according to claim 2, characterized in that the inlet of the second fan (5) is connected to the second filter assembly and the outlet of the second fan (5) is connected to the bottom of the electrical control cabinet (1).
4. An electrical control cabinet cooling arrangement according to claim 1, characterized in that the first and second filter assemblies each comprise a housing (6) and a secondary filter layer provided in the housing.
5. An electrical control cabinet cooling arrangement according to claim 4, characterized in that the secondary filter layer comprises a dehumidifying layer (7) and a dedusting layer (8).
6. An electrical control cabinet cooling device according to claim 5, characterized in that the dehumidifying layer (7) is a mesh-like box filled with 3A molecular sieve;
the dust removing layer (8) is a net-shaped box body filled with sponge.
7. An electrical control cabinet cooling arrangement according to claim 1, characterized in that the heat pump cycle comprises a compressor (9), a condenser (10), a throttle valve (11), an evaporator (12) connected in sequence by means of a refrigerant line.
8. An electrical control cabinet cooling arrangement according to claim 7, characterized in that the heat exchange chamber (4) is a sealed housing, and the evaporator (12) is placed in the heat exchange chamber (4).
9. An electrical control cabinet cooling arrangement according to claim 8, characterized in that the evaporator (12) is provided with a plurality of fins.
10. An electrical control cabinet cooling arrangement according to claim 7, characterized in that a fan (13) is provided at one side of the condenser (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223201527.XU CN219108065U (en) | 2022-11-30 | 2022-11-30 | Cooling device of electrical control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223201527.XU CN219108065U (en) | 2022-11-30 | 2022-11-30 | Cooling device of electrical control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219108065U true CN219108065U (en) | 2023-05-30 |
Family
ID=86456640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223201527.XU Active CN219108065U (en) | 2022-11-30 | 2022-11-30 | Cooling device of electrical control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219108065U (en) |
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2022
- 2022-11-30 CN CN202223201527.XU patent/CN219108065U/en active Active
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