CN219776052U - Refrigerating unit power cabinet - Google Patents
Refrigerating unit power cabinet Download PDFInfo
- Publication number
- CN219776052U CN219776052U CN202321195598.5U CN202321195598U CN219776052U CN 219776052 U CN219776052 U CN 219776052U CN 202321195598 U CN202321195598 U CN 202321195598U CN 219776052 U CN219776052 U CN 219776052U
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- China
- Prior art keywords
- refrigeration
- air port
- hot air
- expansion valve
- electronic expansion
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- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 238000005192 partition Methods 0.000 claims abstract description 17
- 238000005057 refrigeration Methods 0.000 claims description 41
- 238000001035 drying Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000003507 refrigerant Substances 0.000 abstract description 11
- 230000017525 heat dissipation Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000000428 dust Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model relates to the technical field of power cabinets, in particular to a power cabinet of a refrigerating unit, which comprises a cabinet body, wherein a refrigerating assembly is arranged in the cabinet body, a partition plate is further arranged in the cabinet body, the inner cavity of the cabinet body is divided into a heating space and a refrigerating space by the partition plate, a hot air port and a cold air port are arranged on the partition plate, the hot air port is arranged at the position corresponding to the refrigerating assembly, the cold air port is positioned below the hot air port, a fan is arranged on the hot air port and is used for guiding heat in the heating space into the refrigerating space, so that heat generated by the operation of electric components in the heating space is discharged from the hot air port under the action of the fan, hot air discharged from the hot air port exchanges heat under the action of a refrigerant in the refrigerating assembly, and is changed into cold air through the cold air port into the heating space, thereby reducing the temperature in the cabinet body.
Description
Technical Field
The utility model relates to the technical field of power cabinets, in particular to a power cabinet of a refrigerating unit.
Background
As the demands of various industries for refrigeration environments are increasing, the refrigeration units are widely applied, and the demands of the refrigeration units with large cold in the market are increasing. The compressor power of the large-cooling-capacity refrigerating unit is usually larger, so that the heating value of a driving device of the compressor, particularly a soft start or a frequency converter is increased, the heat is mainly discharged out of the cabinet or is cooled by water through a fan in the current heat radiation mode, the heat radiation is slow, dust outside the cabinet can enter the cabinet, and the stable operation and the service life of components in the cabinet are influenced; and the use of the fan for heat dissipation can generate larger noise, so that the use experience of a user is affected. In addition, the use environment of many refrigerating units is severe at present, the environment temperature is far higher than the normal use temperature of components in the cabinet, and the cooling effect can not be achieved through the fan, so that the components can only be used in a capacity-reducing mode under the condition, and the cost is greatly increased.
Disclosure of Invention
In order to overcome the defects in the prior art, the technical problems to be solved by the utility model are as follows: the power cabinet of the refrigerating unit can improve the heat dissipation effect of electrical components in the cabinet body.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a refrigerating unit power cabinet, includes the cabinet body, the internal refrigeration subassembly that is equipped with of cabinet, the internal baffle that still is equipped with of cabinet, the baffle is with the cabinet body division into heating space and refrigerating space, refrigerating unit is located refrigerating space, run through on the baffle and offered hot wind gap and cold wind mouth, just hot wind mouth corresponds refrigerating unit's position setting, cold wind mouth is located hot wind gap below, install the fan on the hot wind gap, the fan is used for with heating the heat drainage in the space to refrigerating unit in the refrigerating space on.
Further, the air equalizing plate is arranged at the hot air port and is positioned between the refrigeration assembly and the hot air port.
Further, the shape of the air equalizing plate is arc-shaped, an arc opening of the air equalizing plate faces the hot air opening, and a plurality of through holes are formed in the air equalizing plate in a penetrating mode.
Furthermore, the hot air port and the cold air port are both covered with a drying filter screen.
Further, the refrigeration assembly comprises a condenser, a dry filter, an electronic expansion valve, a coil pipe and an evaporator, wherein the condenser, the dry filter, the electronic expansion valve and the evaporator are all located outside the cabinet body, the coil pipe is installed in a refrigeration space and is close to a hot air port, the condenser is connected with the dry filter and the evaporator respectively, the coil pipe is connected with the evaporator and the electronic expansion valve respectively, and the electronic expansion valve is connected with the dry filter.
Further, a control component is further installed in the heating space, and the control component is electrically connected with the fan and the refrigerating component respectively.
Further, the control assembly comprises a temperature sensor, a humidity sensor, a controller and an electronic expansion valve driver, wherein the temperature sensor, the humidity sensor, the controller and the electronic expansion valve driver are all installed on the partition board, the temperature sensor is close to the hot air port, the humidity sensor is close to the cold air port, the controller and the electronic expansion valve driver are located between the temperature sensor and the humidity sensor, the controller is respectively connected with the temperature sensor, the humidity sensor, the electronic expansion valve driver and the fan electrically, and the electronic expansion valve driver is electrically connected with the refrigeration assembly.
The utility model has the beneficial effects that:
the inner cavity of the cabinet body is divided into a heating space and a refrigerating space by arranging the partition plate in the cabinet body, the partition plate is provided with the hot air port and the cold air port, the hot air port is arranged corresponding to the position of the refrigerating component in the refrigerating space, the cold air port is positioned below the hot air port, the hot air port is provided with the fan, the fan is used for guiding heat in the heating space to the refrigerating component in the refrigerating space, heat generated by the operation of electric components in the heating space is discharged from the hot air port under the action of the fan, hot air discharged from the hot air port exchanges heat under the action of refrigerant in the refrigerating component, the hot air is changed into cold air, and the cold air enters the heating space through the cold air port, so that the temperature in the cabinet body is reduced; the heat dissipation mode of this scheme design is obtained locally, has reasonably utilized the resource, can keep the internal normal temperature of cabinet, has isolated the dust in the air again simultaneously, provides a good environment for the steady operation of the internal electrical components and parts of cabinet.
Drawings
FIG. 1 is a schematic diagram of a power cabinet of a refrigeration unit according to the present utility model;
FIG. 2 is a system flow diagram of a refrigeration assembly of a refrigeration unit power cabinet according to the present utility model;
FIG. 3 is a cycle diagram of the cabinet interior of a refrigeration unit power cabinet according to the present utility model;
description of the reference numerals:
1. a cabinet body; 2. a partition plate; 3. a heating space; 4. a refrigerating space; 5. a fan; 6. a refrigeration assembly; 601. a condenser; 602. drying the filter; 603. an electronic expansion valve; 604. a coiled pipe; 605. an evaporator; 7. a wind equalizing plate; 8. drying the filter screen; 9. a control assembly; 901. a temperature sensor; 902. a humidity sensor; 903. a controller; 904. an electronic expansion valve driver; 10. sealing the plugs; 11. a hot air port; 12. and a cold air port.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1, the present utility model provides the following technical solutions:
the utility model provides a refrigerating unit power cabinet, includes the cabinet body, the internal refrigeration subassembly that is equipped with of cabinet, the internal baffle that still is equipped with of cabinet, the baffle is with the cabinet body division into heating space and refrigerating space, refrigerating unit is located refrigerating space, run through on the baffle and offered hot wind gap and cold wind mouth, just hot wind mouth corresponds refrigerating unit's position setting, cold wind mouth is located hot wind gap below, install the fan on the hot wind gap, the fan is used for with heating the heat drainage in the space to refrigerating unit in the refrigerating space on.
From the above description, the beneficial effects of the utility model are as follows:
the inner cavity of the cabinet body is divided into a heating space and a refrigerating space by arranging the partition plate in the cabinet body, the partition plate is provided with the hot air port and the cold air port, the hot air port is arranged corresponding to the position of the refrigerating component in the refrigerating space, the cold air port is positioned below the hot air port, the hot air port is provided with the fan, the fan is used for guiding heat in the heating space to the refrigerating component in the refrigerating space, heat generated by the operation of electric components in the heating space is discharged from the hot air port under the action of the fan, hot air discharged from the hot air port exchanges heat under the action of refrigerant in the refrigerating component, the hot air is changed into cold air, and the cold air enters the heating space through the cold air port, so that the temperature in the cabinet body is reduced; the heat dissipation mode of this scheme design is obtained locally, has reasonably utilized the resource, can keep the internal normal temperature of cabinet, has isolated the dust in the air again simultaneously, provides a good environment for the steady operation of the internal electrical components and parts of cabinet.
Further, the air equalizing plate is arranged at the hot air port and is positioned between the refrigeration assembly and the hot air port.
From the above description, through installing the air equalizing plate at the hot air port, hot air can be more uniformly conveyed out and heat exchange is carried out fully with the refrigeration assembly, so that more sufficient cold air is provided, and the heat dissipation effect of the cabinet body is further improved.
Further, the shape of the air equalizing plate is arc-shaped, an arc opening of the air equalizing plate faces the hot air opening, and a plurality of through holes are formed in the air equalizing plate in a penetrating mode.
Furthermore, the hot air port and the cold air port are both covered with a drying filter screen.
From the above description, the drying filter screen can dry and filter the wind at the wind gap, so that the heat exchange effect can be further improved, and the heat dissipation effect of the cabinet body is further improved.
Further, the refrigeration assembly comprises a condenser, a dry filter, an electronic expansion valve, a coil pipe and an evaporator, wherein the condenser, the dry filter, the electronic expansion valve and the evaporator are all located outside the cabinet body, the coil pipe is installed in a refrigeration space and is close to a hot air port, the condenser is connected with the dry filter and the evaporator respectively, the coil pipe is connected with the evaporator and the electronic expansion valve respectively, and the electronic expansion valve is connected with the dry filter.
From the above description, it can be seen that the high-temperature and high-pressure refrigerant in the condenser is filtered by the drying filter and throttled by the electronic expansion valve to become low-temperature and low-pressure liquid, and then enters the coil pipe in the cabinet body to exchange heat with the hot air from the air equalizing plate, and the hot air is changed into cold air, and then dried by the drying filter screen on the air cooling port to enter the heating space, so that the temperature in the cabinet body is reduced, and the refrigerant after heat exchange returns to the evaporator to participate in the system circulation and then returns to the condenser.
Further, a control component is further installed in the heating space, and the control component is electrically connected with the fan and the refrigerating component respectively.
Further, the control assembly comprises a temperature sensor, a humidity sensor, a controller and an electronic expansion valve driver, wherein the temperature sensor, the humidity sensor, the controller and the electronic expansion valve driver are all installed on the partition board, the temperature sensor is close to the hot air port, the humidity sensor is close to the cold air port, the controller and the electronic expansion valve driver are located between the temperature sensor and the humidity sensor, the controller is respectively connected with the temperature sensor, the humidity sensor, the electronic expansion valve driver and the fan electrically, and the electronic expansion valve driver is electrically connected with the refrigeration assembly.
From the above description, the temperature sensor monitors the temperature in the cabinet in real time, and feeds the temperature back to the controller, and the controller controls the opening of the electronic expansion valve through the temperature PID, so that the flow in the coil is controlled, namely the heat exchange area of the refrigerant and the hot air can be controlled, and the purpose of regulating and controlling the temperature in the cabinet is achieved; meanwhile, the electronic expansion valve is required to be closed when the temperature is too low for alarming, and the machine is required to be stopped for heat dissipation when the temperature is too high; the humidity sensor detects the internal humidity of cabinet, in case humidity exceeds the limit, closes electronic expansion valve, and the controller control sends alarm signal, also can remind the staff to inspect whether dry filter screen needs to be changed simultaneously.
Referring to fig. 1 to 3, a first embodiment of the present utility model is as follows:
referring to fig. 1 and 3, a power cabinet of a refrigerating unit comprises a cabinet body 1, a refrigerating assembly 6 is arranged in the cabinet body 1, a partition board 2 is further arranged in the cabinet body 1, the partition board 2 divides the cabinet body 1 into a heating space 3 and a refrigerating space 4, the refrigerating assembly 6 is positioned in the refrigerating space 4, a hot air port 11 and a cold air port 12 are arranged on the partition board 2 in a penetrating manner, the hot air port 11 is arranged corresponding to the position of the refrigerating assembly 6, the cold air port 12 is positioned below the hot air port 11, a fan 5 is arranged on the hot air port 11, and the fan 5 is used for guiding heat in the heating space 3 to the refrigerating assembly 6 in the refrigerating space 4.
Referring to fig. 1 and 3, the air equalizing plate 7 is further included, and the air equalizing plate 7 is installed at the hot air port 11 and is located between the refrigeration assembly 6 and the hot air port 11.
Referring to fig. 1, the shape of the air equalizing plate 7 is arc-shaped, the arc opening of the air equalizing plate 7 faces the hot air opening 11, and a plurality of through holes are formed in the air equalizing plate 7 in a penetrating manner.
Referring to fig. 1 and 2, the refrigeration unit 6 includes a condenser 601, a dry filter 602, an electronic expansion valve 603, a coil 604 and an evaporator 605, wherein the condenser 601, the dry filter 602, the electronic expansion valve 603 and the evaporator 605 are all located outside the cabinet 1, the coil 604 is installed in the refrigeration space 4, the coil 604 is disposed near the hot air port 11, the condenser 601 is respectively connected with the dry filter 602 and the evaporator 605, the coil 604 is respectively connected with the evaporator 605 and the electronic expansion valve 603, and the electronic expansion valve 603 is connected with the dry filter 602.
Referring to fig. 1 and 3, the hot air inlet 11 and the cold air inlet 12 are both covered with a drying filter 8.
A control component 9 is also installed in the heating space 3, and the control component 9 is electrically connected with the fan 5 and the refrigerating component 6 respectively.
Referring to fig. 1 and 3, the control assembly 9 includes a temperature sensor 901, a humidity sensor 902, a controller 903 and an electronic expansion valve driver 904, wherein the temperature sensor 901, the humidity sensor 902, the controller 903 and the electronic expansion valve driver 904 are all installed on the partition board 2, the temperature sensor 901 is disposed close to the hot air inlet 11, the humidity sensor 902 is disposed close to the cold air inlet 12, the controller 903 and the electronic expansion valve driver 904 are disposed between the temperature sensor 901 and the humidity sensor 902, the controller 903 is electrically connected with the temperature sensor 901, the humidity sensor 902, the electronic expansion valve driver 904 and the fan 5, and the electronic expansion valve 603 driver is electrically connected with the refrigeration assembly 6.
Referring to fig. 1 and 3, a drain hole is further formed in the bottom of the cabinet body 1, and a sealing plug 10 is provided on the drain hole in a detachable manner.
The heat exchange area of the coil 604 is calculated according to the heat productivity of the electrical components in the cabinet 1, and fins can be added to increase the heat exchange area if necessary.
The type of refrigerant in the coil 604 that is involved in the cycle is determined by the refrigeration unit and is not limited to one type.
The controller 903 may be installed in a power cabinet or a control cabinet according to different types of refrigerating units.
The working principle of the refrigerating unit power cabinet is as follows:
referring to fig. 2 and 3, the high-temperature and high-pressure refrigerant in the condenser 601 is filtered by the drying filter 602 and throttled by the electronic expansion valve 603, then becomes low-temperature and low-pressure liquid, and enters the coil 604 in the cabinet 1 to exchange heat with the hot air from the air equalizing plate 7, the hot air becomes cold air, and then passes through the drying filter screen 8 on the cooling air port 12 to be dried and then enters the heating space 3, so that the temperature in the cabinet 1 is reduced, and the refrigerant after heat exchange returns to the evaporator 605 to participate in the system circulation and then returns to the condenser 601.
The temperature sensor 901 monitors the temperature in the cabinet body 1 in real time and feeds the temperature back to the controller 903, and the controller 903 controls the opening of the electronic expansion valve 603 through a temperature PID, so that the flow in the coil 604 is controlled, namely the heat exchange area of the refrigerant and hot air can be controlled, and the purpose of regulating and controlling the temperature in the cabinet body 1 is achieved; meanwhile, the electronic expansion valve 603 is required to be closed when the temperature is too low for alarming, and the machine is required to stop for heat dissipation when the temperature is too high; the humidity sensor 902 detects the humidity in the cabinet 1, once the humidity exceeds the limit, the electronic expansion valve 603 is closed, and the controller 903 controls to send out an alarm signal, and meanwhile, the operator can be reminded to check whether the dry filter screen 8 needs to be replaced.
In summary, according to the power cabinet of the refrigerating unit provided by the utility model, the partition plate is arranged in the cabinet body, the inner cavity of the cabinet body is divided into the heating space and the refrigerating space, the hot air port and the cold air port are arranged on the partition plate, the hot air port is arranged at the position corresponding to the refrigerating component in the refrigerating space, the cold air port is arranged below the hot air port, the fan is arranged on the hot air port and is used for guiding heat in the heating space to the refrigerating component in the refrigerating space, so that heat generated by the operation of electric components in the heating space is discharged from the hot air port under the action of the fan, hot air discharged from the hot air port exchanges heat under the action of refrigerant in the refrigerating component, and the hot air is changed into cold air which enters the heating space through the cold air port, thereby reducing the temperature in the cabinet body; the heat dissipation mode of this scheme design is obtained locally, has reasonably utilized the resource, can keep the internal normal temperature of cabinet, has isolated the dust in the air again simultaneously, provides a good environment for the steady operation of the internal electrical components and parts of cabinet.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (7)
1. The utility model provides a refrigerating unit power cabinet, includes the cabinet body, the internal refrigeration subassembly that is equipped with of cabinet, its characterized in that, the internal baffle that still is equipped with of cabinet, the baffle is with the cabinet body division into heating space and refrigeration space, refrigeration subassembly is located refrigeration space, run through on the baffle and offered hot-blast mouth and cold wind mouth, just hot-blast mouth corresponds refrigeration subassembly's position setting, cold wind mouth is located hot-blast mouth below, install the fan on the hot-blast mouth, the fan is used for with the heat drainage in the heating space to on the refrigeration subassembly in the refrigeration space.
2. The refrigeration unit power cabinet of claim 1, wherein the hot air port and the cold air port are both covered with a drying filter screen.
3. The refrigeration unit power cabinet of claim 1, further comprising a damper mounted at the hot air port and positioned between the refrigeration assembly and the hot air port.
4. The power cabinet of a refrigerating unit according to claim 3, wherein the air equalizing plate is arc-shaped, an arc opening of the air equalizing plate faces the hot air opening, and a plurality of through holes are formed in the air equalizing plate in a penetrating mode.
5. The refrigeration unit power cabinet of claim 1, wherein the refrigeration assembly comprises a condenser, a dry filter, an electronic expansion valve, a coil, and an evaporator, wherein the condenser, the dry filter, the electronic expansion valve, and the evaporator are all located outside the cabinet, the coil is installed in the refrigeration space, and the coil is disposed near the hot air opening, the condenser is connected with the dry filter and the evaporator, the coil is connected with the evaporator and the electronic expansion valve, respectively, and the electronic expansion valve is connected with the dry filter.
6. The refrigeration unit power cabinet of claim 1, wherein a control assembly is further installed in the heating space, and the control assembly is electrically connected to the fan and the refrigeration assembly, respectively.
7. The refrigeration unit power cabinet of claim 6, wherein the control assembly comprises a temperature sensor, a humidity sensor, a controller and an electronic expansion valve driver, wherein the temperature sensor, the humidity sensor, the controller and the electronic expansion valve driver are all mounted on the partition, the temperature sensor is arranged close to the hot air port, the humidity sensor is arranged close to the cold air port, the controller and the electronic expansion valve driver are located between the temperature sensor and the humidity sensor, the controller is respectively electrically connected with the temperature sensor, the humidity sensor, the electronic expansion valve driver and the fan, and the electronic expansion valve driver is electrically connected with the refrigeration assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321195598.5U CN219776052U (en) | 2023-05-17 | 2023-05-17 | Refrigerating unit power cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321195598.5U CN219776052U (en) | 2023-05-17 | 2023-05-17 | Refrigerating unit power cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219776052U true CN219776052U (en) | 2023-09-29 |
Family
ID=88103341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321195598.5U Active CN219776052U (en) | 2023-05-17 | 2023-05-17 | Refrigerating unit power cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219776052U (en) |
-
2023
- 2023-05-17 CN CN202321195598.5U patent/CN219776052U/en active Active
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