CN220582586U - Heat pump type stepless temperature-regulating dehumidifier - Google Patents
Heat pump type stepless temperature-regulating dehumidifier Download PDFInfo
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- CN220582586U CN220582586U CN202223571314.6U CN202223571314U CN220582586U CN 220582586 U CN220582586 U CN 220582586U CN 202223571314 U CN202223571314 U CN 202223571314U CN 220582586 U CN220582586 U CN 220582586U
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- condenser
- expansion valve
- outlet
- electronic expansion
- heat pump
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- 238000005057 refrigeration Methods 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 18
- 239000000498 cooling water Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims 1
- 239000003507 refrigerant Substances 0.000 abstract description 32
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000007791 dehumidification Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model relates to the technical field of dehumidification, in particular to a heat pump type stepless temperature-regulating dehumidifier. The air conditioner comprises a blower and a refrigeration cycle system, wherein the refrigeration cycle system comprises an evaporator, a compressor, a main condenser and a throttling element which are sequentially connected through a refrigeration system pipeline, an auxiliary condenser is arranged at the downstream of the evaporator along the air flow direction, the inlet of the auxiliary condenser is connected with an exhaust port of the compressor, an electronic expansion valve is arranged at the outlet of the auxiliary condenser, the outlet of the auxiliary condenser is communicated with the inlet of the electronic expansion valve, and the outlet of the electronic expansion valve is communicated with the outlet of the main condenser. The utility model has the advantages that: according to the technical scheme, the electronic expansion valve is adopted to accurately control the flow of the refrigerant, the conditions of production or life, such as changing of the requirement of air supply temperature, and the like are timely and dynamically adjusted and controlled, so that the electronic expansion valve has good strain capacity, and the stability of the air supply temperature is fully guaranteed.
Description
Technical Field
The utility model relates to the technical field of dehumidification, in particular to a heat pump type stepless temperature-regulating dehumidifier.
Background
The heat pump type temperature-regulating dehumidifier is generally characterized in that an auxiliary condenser is additionally arranged on a conventional refrigeration and dehumidification system, and low-temperature air subjected to refrigeration and dehumidification treatment through an evaporator is heated by utilizing condensation heat of the refrigeration system.
In the prior art, the application number is: CN201921613377.9, a regulating electromagnetic valve is usually arranged at the inlet or outlet of the auxiliary condenser to control the on-off of the exhaust gas of the compressor in the auxiliary condenser by regulating the switch of the electromagnetic valve, so as to achieve the purpose of whether the auxiliary condenser heats and regulates the temperature of the air outlet. Therefore, the frequent switching of the electromagnetic valve is adjusted to heat the low-temperature air, so that the temperature of the air outlet is suddenly high and suddenly low, the production or living requirements cannot be met, and the stable operation of the refrigerating system is also influenced. If the regulating electromagnetic valve is arranged at the outlet of the auxiliary condenser, the closing of the regulating electromagnetic valve can cause the refrigerant to accumulate in the auxiliary condenser, and the refrigeration system can possibly lack the refrigerant, and if necessary, a liquid storage device is additionally arranged or the volume of the liquid storage device is increased, so that the design is needed.
Disclosure of Invention
The utility model aims to provide a heat pump type stepless temperature regulating dehumidifier which is used for overcoming the defects in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a stepless temperature regulating dehumidifier of heat pump type, its includes forced draught blower and refrigeration cycle system, refrigeration cycle system includes evaporator, compressor, main condenser and the throttling element that connects in order through refrigerating system pipeline, its characterized in that: an auxiliary condenser is arranged at the downstream of the evaporator along the air flow direction, the inlet of the auxiliary condenser is connected with the exhaust port of the compressor, an electronic expansion valve is arranged at the outlet of the auxiliary condenser, the outlet of the auxiliary condenser is communicated with the inlet of the electronic expansion valve, the outlet of the electronic expansion valve is communicated with the outlet of the main condenser, and the throttling element is connected with the main condenser.
Preferably, the refrigeration cycle system further includes a gas-liquid separator disposed between the evaporator and the compressor.
Preferably, the main condenser is an air-cooled condenser or a water-cooled condenser.
Preferably, a condensing fan is further arranged beside the air-cooled condenser.
Preferably, the water-cooled condenser is also connected with a cooling water flow regulating valve.
Preferably, the evaporator is a finned tube evaporator.
Preferably, the auxiliary condenser is a microchannel heat exchanger.
The beneficial effects of the utility model are as follows: according to the technical scheme, the electronic expansion valve is adopted to accurately control the flow of the refrigerant, the air outlet temperature change caused by the air inlet temperature, the humidity and the flow change can be dynamically regulated and controlled timely under the conditions of production or life changing the requirement of the air supply temperature and the like, the stability of the air supply temperature is fully ensured, the electronic expansion valve always keeps proper opening degree, the refrigerant flows continuously and stably, and the working stability of a refrigerating system is ensured.
Drawings
FIG. 1 is a schematic diagram of a heat pump type stepless temperature regulating dehumidifier of the present utility model;
FIG. 2 is a schematic structural diagram of another embodiment of a heat pump type stepless temperature regulating dehumidifier according to the present utility model;
in the figure: 1. an evaporator; 2. a gas-liquid separator; 3. a compressor; 4-1, an air-cooled condenser; 4-2, a water-cooled condenser; 5. a throttle element; 6. an auxiliary condenser; 7. an electronic expansion valve; 8. a blower; 9. a condensing fan; 10. a cooling water flow regulating valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1, a heat pump type stepless temperature-regulating dehumidifier comprises a blower 8 and a refrigeration cycle system, wherein the refrigeration cycle system comprises an evaporator 1, a compressor 3, a main condenser and a throttling element 5 which are sequentially connected through a refrigeration system pipeline, an auxiliary condenser 6 is arranged at the downstream of the evaporator 1 along the air flow direction, an inlet of the auxiliary condenser 6 is connected with an exhaust port of the compressor 3, an electronic expansion valve 7 is arranged at an outlet of the auxiliary condenser 6, an outlet of the auxiliary condenser 6 is communicated with an inlet of the electronic expansion valve 7, an outlet of the electronic expansion valve 7 is communicated with an outlet of the main condenser, and the throttling element 5 is connected with the main condenser.
The evaporator is a finned tube evaporator. The auxiliary condenser is a microchannel heat exchanger.
The refrigeration cycle system further includes a gas-liquid separator 2, the gas-liquid separator 2 being disposed between the evaporator 1 and the compressor 3.
The main condenser comprises an air-cooled condenser and a water-cooled condenser, a condensing fan is arranged beside the air-cooled condenser, and the water-cooled condenser is also connected with a cooling water flow regulating valve.
Referring to fig. 1, an embodiment of the present utility model includes a blower 8 and a refrigeration cycle system formed by sequentially connecting an evaporator 1, a gas-liquid separator 2, a compressor 3, an air-cooled condenser 4-1 and a throttling element 5 through a refrigeration system pipe. The air blower 8 and the evaporator 1 are arranged in an air duct, an auxiliary condenser 6 is arranged in the air duct along the air flow direction at the downstream of the evaporator 1, the inlet of the auxiliary condenser 6 is communicated with the exhaust port of the compressor 3, the outlet of the auxiliary condenser 6 is provided with an electronic expansion valve 7, the outlet of the auxiliary condenser 6 is communicated with the inlet of the electronic expansion valve 7, the outlet of the electronic expansion valve 7 is communicated with the outlet of the air-cooled condenser 4-1, the condensing fan 9 and the air-cooled condenser 4-1 are combined into an air-cooled heat dissipation assembly, and the specific working process is as follows: the blower 8 provides the circulation power of the processed air, and the processed air transfers heat to the low-temperature low-pressure liquid refrigerant in the evaporator 1 when flowing through the evaporator 1, so that the temperature of the air is greatly reduced, condensed water is separated out, and the aim of dehumidifying the air is achieved; the low-temperature low-pressure liquid refrigerant in the evaporator 1 absorbs heat and is vaporized into low-temperature low-pressure gaseous refrigerant, the gaseous refrigerant is sucked into the compressor 3 after passing through the gas-liquid separator 2, the gaseous refrigerant is compressed into high-temperature high-pressure gaseous refrigerant by the compressor 3, part of the high-temperature high-pressure gaseous refrigerant flows into the air-cooled condenser 4-1, the high-temperature high-pressure gaseous refrigerant in the air-cooled condenser 4-1 releases heat to condensed air provided by the condensing fan 9 so as to be condensed into high-temperature high-pressure liquid refrigerant, the high-temperature high-pressure liquid refrigerant is throttled by the throttling element 5 to form low-temperature low-pressure liquid refrigerant, and the low-temperature low-pressure liquid refrigerant enters the evaporator 1 again to start the next refrigeration cycle;
the temperature of the air cooled and dehumidified by the evaporator 1 is too low to meet the production or living requirements, so that the air is required to be regulated in temperature, part of the high-temperature and high-pressure gaseous refrigerant discharged by the compressor is introduced into the auxiliary condenser 6, the high-temperature and high-pressure gaseous refrigerant in the auxiliary condenser 6 releases heat to the dehumidified low-temperature and low-humidity treated air, the air supply temperature is increased, and the condensed refrigerant is converged with the liquid refrigerant flowing out of the air-cooled condenser 4-1 through the electronic expansion valve 7 to enter the system for circulation. In some occasions, the temperature control precision requirement is higher, and the opening degree of the electronic expansion valve 7 can be accurately controlled according to the difference between the air supply temperature and the temperature required by actual production or life in the control process, so that a proper amount of high-temperature and high-pressure gaseous refrigerant is ensured to flow into the auxiliary condenser 6 to heat the air, and the air supply temperature is ensured to be stable. In the embodiment, the opening of the electronic expansion valve 7 can be controlled in 500 steps, so that stepless control on refrigerant flow regulation is realized, and the condensing fan 9 is a variable frequency fan, so that the condensing air quantity can be timely regulated according to the change of the ambient temperature or the change of the unit load, and the condensing pressure of a refrigerating system is controlled.
In another embodiment of the present utility model, referring to fig. 2, the air conditioner comprises a blower 8 and a refrigeration cycle system formed by sequentially connecting an evaporator 1, a gas-liquid separator 2, a compressor 3, an air-cooled condenser 4-1 and a throttling element 5 through a refrigeration system pipeline. The air blower 8 and the evaporator 1 are arranged in an air duct, an auxiliary condenser 6 is arranged in the air duct along the air flow direction at the downstream of the evaporator 1, the inlet of the auxiliary condenser 6 is communicated with the exhaust port of the compressor 3, the outlet of the auxiliary condenser 6 is provided with an electronic expansion valve 7, the outlet of the auxiliary condenser 6 is communicated with the inlet of the electronic expansion valve 7, the outlet of the electronic expansion valve 7 is communicated with the water-cooled condenser 4-2, the cooling water flow regulating valve 10 and the water-cooled condenser 4-2 are combined into an air-cooled radiating component, and the high-temperature and high-pressure gaseous refrigerant discharged by the compressor 3 in the embodiment is condensed into high-temperature and high-pressure liquid refrigerant by transferring heat to cooling water through the water-cooled condenser 4-2. The cooling water flow regulating valve 10 can timely regulate cooling water flow according to the change of the ambient temperature or the change of the unit load, so as to control the condensing pressure of the refrigerating system;
the traditional switch through adjusting the solenoid valve is switched and is adjusted the heating and can cause the supply air temperature to suddenly rise and suddenly fall, and is extremely unstable. The electronic expansion valve is adopted to accurately control the flow of the refrigerant, and the electronic expansion valve can also dynamically regulate and control the change of the air outlet temperature caused by the change of the air inlet temperature, the humidity and the flow, the change of the requirements of production or life on the air supply temperature and the like, so that the electronic expansion valve has better strain capacity and fully ensures the stability of the air supply temperature;
conventional solenoid valve on-off control causes a pulsed unstable flow of refrigerant in the auxiliary condenser, and when the solenoid valve is closed, the refrigerant may accumulate in the auxiliary condenser, resulting in a lack of refrigerant in the refrigeration cycle. The electronic expansion valve of the utility model always maintains proper opening degree, and the refrigerant flows continuously and stably, thus ensuring the working stability of the refrigeration system.
The utility model has the advantages that the technical scheme adopts the electronic expansion valve to accurately control the flow of the refrigerant, can also dynamically regulate and control the change of the air outlet temperature caused by the change of the air inlet temperature, the humidity and the flow, the change of the requirements of production or life on the air supply temperature and the like, has better strain capacity, fully ensures the stability of the air supply temperature, and ensures that the electronic expansion valve always keeps proper opening, the refrigerant flows continuously and stably, and the working stability of a refrigerating system is ensured.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a stepless temperature regulating dehumidifier of heat pump type, its includes forced draught blower and refrigeration cycle system, refrigeration cycle system includes evaporator, compressor, main condenser and the throttling element that connects in order through refrigerating system pipeline, its characterized in that: an auxiliary condenser is arranged at the downstream of the evaporator along the air flow direction, an inlet of the auxiliary condenser is connected with an exhaust port of the compressor, an electronic expansion valve capable of realizing precision control is arranged at an outlet of the auxiliary condenser, an outlet of the auxiliary condenser is communicated with an inlet of the electronic expansion valve, an outlet of the electronic expansion valve is communicated with an outlet of the main condenser, and the throttling element is connected with the main condenser.
2. The heat pump type stepless temperature regulating dehumidifier according to claim 1, wherein: the refrigeration cycle system further includes a gas-liquid separator disposed between the evaporator and the compressor.
3. The heat pump type stepless temperature regulating dehumidifier according to claim 1, wherein: the main condenser is an air-cooled condenser or a water-cooled condenser.
4. A heat pump type stepless temperature regulating dehumidifier according to claim 3, wherein: and a condensing fan is arranged beside the air-cooled condenser.
5. A heat pump type stepless temperature regulating dehumidifier according to claim 3, wherein: the water-cooling condenser is also connected with a cooling water flow regulating valve.
6. The heat pump type stepless temperature regulating dehumidifier according to claim 1, wherein: the evaporator is a finned tube evaporator.
7. The heat pump type stepless temperature regulating dehumidifier according to claim 1, wherein: the auxiliary condenser is a microchannel heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223571314.6U CN220582586U (en) | 2022-12-30 | 2022-12-30 | Heat pump type stepless temperature-regulating dehumidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223571314.6U CN220582586U (en) | 2022-12-30 | 2022-12-30 | Heat pump type stepless temperature-regulating dehumidifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220582586U true CN220582586U (en) | 2024-03-12 |
Family
ID=90110857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223571314.6U Active CN220582586U (en) | 2022-12-30 | 2022-12-30 | Heat pump type stepless temperature-regulating dehumidifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220582586U (en) |
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2022
- 2022-12-30 CN CN202223571314.6U patent/CN220582586U/en active Active
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