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CN-224230378-U - Constant-temperature air-out dehumidification heat pump system

CN224230378UCN 224230378 UCN224230378 UCN 224230378UCN-224230378-U

Abstract

The application discloses a constant-temperature air-out dehumidification heat pump system which comprises a compressor, a condenser and an evaporator which are connected into a refrigerant circulation loop, and further comprises a first flow distribution regulating device, a heat utilization device and a control device, wherein the heat utilization device and the condenser are arranged between the compressor and the evaporator in parallel, the inlet end of the first flow distribution regulating device is connected with the outlet end of the compressor through a pipeline, the first outlet end of the first flow distribution regulating device is connected with the condenser through a pipeline, the second outlet end of the first flow distribution regulating device is connected with the heat utilization device through a pipeline, and the control device is connected with the first flow distribution regulating device and controls the opening degree of the first flow distribution regulating device according to return air temperature so as to control the quantity of refrigerant entering the condenser and the heat utilization device. This constant temperature air-out dehumidification heat pump system realizes high accuracy humiture cooperative control, reduces temperature fluctuation, promotes energy efficiency ratio and system stability simultaneously, satisfies high-end scene demand, promotes the stability under the complicated operating mode.

Inventors

  • LU BENDU
  • LIAO ZHIQIANG

Assignees

  • 易达科技（深圳）有限公司

Dates

Publication Date
20260512
Application Date
20250515

Claims (10)

  1. 1. The constant temperature air-out dehumidification heat pump system comprises a compressor (01), a condenser (10) and an evaporator (02) which are connected into a refrigerant circulation loop, and is characterized by further comprising a first flow distribution adjusting device, a heat utilization device and a control device; The heat utilization device is arranged between the compressor (01) and the evaporator (02) in parallel with the condenser (10); The inlet end of the first flow distribution regulating device is connected with the outlet end of the compressor (01) through a pipeline, the first outlet end of the first flow distribution regulating device is connected with the condenser (10) through a pipeline, and the second outlet end of the first flow distribution regulating device is connected with the heat utilization device through a pipeline; The control device is connected with the first flow distribution regulating device, and controls the opening of the first flow distribution regulating device according to the return air temperature so as to control the quantity of the refrigerant entering the condenser (10) and the heat utilization device.
  2. 2. A constant temperature air-out dehumidification heat pump system according to claim 1, wherein the heat-consuming device comprises a pool water heating device (08) and/or an air heating device (09) arranged in parallel with the condenser (10) between the compressor (01) and the evaporator (02).
  3. 3. A constant temperature air-out dehumidification heat pump system according to claim 2, wherein the heat consuming device comprises the pool water heating device (08) and the air heating device (09); The constant-temperature air-out dehumidification heat pump system further comprises a second flow distribution adjusting device; The inlet end of the second flow distribution regulating device is connected with the second outlet end of the first flow distribution regulating device through a pipeline, the first outlet end of the second flow distribution regulating device is connected with the air heating device (09) through a pipeline, the second outlet end of the second flow distribution regulating device is connected with the pool water heating device (08) through a pipeline, and the control device is connected with the second flow distribution regulating device to control the amount of refrigerant entering the air heating device (09) and the pool water heating device (08).
  4. 4. The constant temperature air-out dehumidification heat pump system according to claim 3, wherein the first flow distribution adjusting device and the second flow distribution adjusting device are proportional three-way valves, and the opening of the proportional three-way valves is adjusted in real time by the control device according to the return air temperature monitored by the temperature sensor so as to control the flow direction and the flow quantity of the refrigerant.
  5. 5. A constant temperature air-out dehumidification heat pump system according to claim 3, wherein the condenser (10) comprises an outdoor heat sink arranged outdoors; the air heating device (09) is arranged in the room.
  6. 6. A constant temperature air-out dehumidification heat pump system according to claim 3, characterized in that the refrigerant outlet end of the pool water heating device (08) is connected via a pipe to the inlet end of a corresponding third one-way check valve (13), the refrigerant outlet end of the air heating device (09) is connected via a pipe to the inlet end of a corresponding second one-way check valve (12), the outlet end of the third one-way check valve (13) is connected to a corresponding third flow switching device (23), the outlet end of the second one-way check valve (12) is connected to a corresponding second flow switching device (22), the third flow switching device (23) are connected via a pipe to the inlet end of the compressor (01).
  7. 7. The constant temperature outlet dehumidification heat pump system according to claim 5, wherein the refrigerant outlet end of the condenser (10) is connected to the inlet end of a corresponding first one-way check valve (11) via a pipe, the outlet end of the first one-way check valve (11) is connected to a corresponding first flow switching device (21), and the first flow switching device (21) is connected to the inlet end of the compressor (01) via a pipe.
  8. 8. The constant temperature air-out dehumidification heat pump system according to claim 1, wherein the constant temperature air-out dehumidification heat pump system further comprises a liquid reservoir (05), and an electronic expansion valve (03) and a filter (04) are arranged between the liquid reservoir (05) and the evaporator (02).
  9. 9. The constant temperature air-out dehumidification heat pump system according to claim 8, wherein a refrigerant outlet end of the pool water heating device (08) is connected to the liquid reservoir (05) through a pipeline, a fourth one-way check valve (14) is arranged between the pool water heating device (08) and the liquid reservoir (05), a refrigerant outlet end of the pool water heating device (08) is connected with an inlet end of the fourth one-way check valve (14), an inlet end of the liquid reservoir (05) is connected with an outlet end of the fourth one-way check valve (14), the air heating device (09) is connected to the liquid reservoir (05) through a pipeline, a fifth one-way check valve (15) is arranged between the air heating device (09) and the liquid reservoir (05), a refrigerant outlet end of the air heating device (09) is connected with an inlet end of the fifth one-way check valve (15), and an inlet end of the liquid reservoir (05) is connected with an outlet end of the fifth one-way check valve (15).
  10. 10. The constant temperature air-out dehumidification heat pump system according to claim 7, wherein a refrigerant outlet end of the outdoor heat dissipation device is connected to the liquid reservoir (05) through a pipe, a sixth one-way check valve (16) is provided between the outdoor heat dissipation device and the liquid reservoir (05), a refrigerant outlet end of the outdoor heat dissipation device is connected to an inlet end of the sixth one-way check valve (16), and an inlet end of the liquid reservoir (05) is connected to an outlet end of the sixth one-way check valve (16).

Description

Constant-temperature air-out dehumidification heat pump system Technical Field The utility model relates to the technical field of heat pumps, in particular to a constant-temperature air-out dehumidification heat pump system. Background The traditional constant temperature air-out dehumidification heat pump system all adopts the matched electric auxiliary heat of refrigeration, needs to start high-power electric heating when the room needs to supply heat, and also starts high-power electric heating when the room load is low and needs to refrigerate dehumidification and carry out thermal compensation, because the operating power is big, not only the requirement on electrical control equipment is high, but also the power consumption is high during operation simultaneously, and is not energy-saving, and especially under the condition that dehumidification is needed in the heating process, independent electric heating compensation is needed, and the energy consumption of the system is higher. Similar methods exist in the market, a reheat condenser is arranged at the rear end of an evaporator, but the method cannot control the air supply heat, the temperature in a room is inaccurate, and the comfort level is not high. In addition, a plurality of condensers are arranged in series, and the heat dissipation capacity is controlled through the air quantity of the other condenser, but the series condensers cannot realize the full heat recovery mode, and a part of heat is wasted and lost. Along with the improvement of the precision requirements of temperature and humidity control in the fields of industry, agriculture, medical treatment, high-end laboratories and the like, the limitations of the traditional dehumidification equipment in the aspects of energy efficiency ratio, temperature and humidity cooperative control capability, running stability and the like are gradually revealed. Disclosure of utility model The utility model aims to solve the technical problem of providing a constant-temperature air-out dehumidification heat pump system. The utility model solves the technical problems by adopting the technical scheme that a constant-temperature air-out dehumidifying heat pump system is constructed. The constant temperature air-out dehumidification heat pump system comprises a compressor, a condenser and an evaporator which are connected into a refrigerant circulation loop, and further comprises a first flow distribution regulating device, a heat utilization device and a control device, wherein the heat utilization device and the condenser are arranged between the compressor and the evaporator in parallel, an inlet end of the first flow distribution regulating device is connected with an outlet end of the compressor through a pipeline, a first outlet end of the first flow distribution regulating device is connected with the condenser through a pipeline, a second outlet end of the first flow distribution regulating device is connected with the heat utilization device through a pipeline, and the control device is connected with the first flow distribution regulating device and controls the opening of the first flow distribution regulating device according to return air temperature so as to control the quantity of refrigerant entering the condenser and the heat utilization device. Further, the heat using device comprises a pool water heating device and/or an air heating device which are arranged between the compressor and the evaporator in parallel with the condenser. The constant temperature air-out dehumidification heat pump system comprises a first flow distribution adjusting device, a second flow distribution adjusting device, a control device and a control device, wherein the first flow distribution adjusting device is connected with the air heating device through a pipeline, the air heating device is connected with the first flow distribution adjusting device through a pipeline, the control device is connected with the air heating device through a pipeline, and the control device is connected with the air heating device through a pipeline to control the amount of refrigerant entering the air heating device and the water heating device. Further, the first flow distribution adjusting device and the second flow distribution adjusting device are proportional three-way valves, and the opening of each proportional three-way valve is adjusted in real time by the control device according to the return air temperature monitored by the temperature sensor so as to control the flow direction and the flow quantity of the refrigerant. Further, the condenser comprises an outdoor heat radiating device arranged outdoors, and the air heating device is arranged indoors. Further, the refrigerant outlet end of the pool water heating device is connected to the inlet end of a corresponding third one-way check valve through a pipeline, the refrigerant outlet end of the air heating device is connected to the inlet end of a correspondin