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CN-121993847-A - Heat exchange system, humidifying method thereof and air conditioner

CN121993847ACN 121993847 ACN121993847 ACN 121993847ACN-121993847-A

Abstract

The invention discloses a heat exchange system, a humidifying method thereof and an air conditioner, and relates to the technical field of household appliances, wherein the heat exchange system comprises a refrigerant circulating pipeline and a humidifying pipeline, and the refrigerant circulating pipeline is used for circulating and circulating a refrigerant; the humidification pipeline is used for humidification water circulation, and the humidification pipeline includes heat transfer portion and vaporization portion that sets gradually along humidification water's circulation direction, and heat transfer portion and refrigerant circulation pipeline's at least partial heat transfer are connected to preheat humidification water, vaporization portion is used for the secondary heating humidification water, so that humidification water heating vaporization. According to the technical scheme, the energy consumption of the humidifying module can be reduced, and the energy-saving effect is achieved.

Inventors

  • ZHOU XIANGYANG

Assignees

  • 广东美的制冷设备有限公司
  • 美的集团股份有限公司

Dates

Publication Date
20260508
Application Date
20241104

Claims (13)

  1. 1. A heat exchange system for an air conditioner, comprising: A refrigerant circulation pipeline for circulating the refrigerant and The humidifying pipeline is used for humidifying water circulation, the humidifying pipeline comprises a heat exchange part and a vaporization part which are sequentially arranged along the flowing direction of the humidifying water, the heat exchange part is connected with at least part of the refrigerant circulating pipeline in a heat exchange mode so as to preheat the humidifying water, and the vaporization part is used for secondarily heating the humidifying water so as to enable the humidifying water to be heated and vaporized.
  2. 2. The heat exchange system as set forth in claim 1, wherein said refrigerant circulation line includes a heat pipe for circulating said refrigerant; the heat exchange part comprises a heat exchange pipe, and the heat exchange pipe is sleeved on at least part of the heat conduction pipe and is surrounded with the heat conduction pipe to form a liquid passing channel for circulating the humidifying water so that the humidifying water absorbs heat from the refrigerant.
  3. 3. The heat exchange system according to claim 2, wherein the heat transfer tube comprises a plurality of first sub-tubes arranged side by side, the plurality of first sub-tubes being arranged at intervals in sequence, the plurality of first sub-tubes being arranged in series end to end in sequence; The heat exchange tube comprises a plurality of second subducting pipes which are arranged side by side, each second subducting pipe is sleeved on one first subducting pipe, and a plurality of second subducting pipes are sequentially arranged in series from head to tail.
  4. 4. The heat exchange system according to any one of claims 1 to 3, wherein the refrigerant circulation line includes a compressor and a four-way valve which are sequentially communicated, and at least part of the refrigerant circulation line is connected in series between the compressor and the four-way valve and is heat-exchanged with the heat exchange portion.
  5. 5. A heat exchange system according to any one of claims 1 to 3, wherein the end of the vaporising part facing the heat exchange part is provided with a temperature detection module for detecting the liquid temperature of the humidification water.
  6. 6. A heat exchange system according to any one of claims 1 to 3 wherein the humidification circuit further comprises a liquid inlet portion connected in series upstream of the heat exchange portion; The liquid inlet part comprises a control pump, and the control pump can be opened and closed and is used for controlling the connection or disconnection of the humidifying pipeline.
  7. 7. The heat exchange system of claim 6, wherein the liquid feed further comprises a liquid feed module connected in series upstream of the control pump; The liquid inlet module comprises a water supply pipe which is communicated with the control pump through a purifier, or the liquid inlet module comprises a water supply tank which is communicated with the control pump, and a water level detection mechanism and a water quality detection mechanism are arranged in the water supply tank and are used for respectively detecting the water level and the water quality of the humidifying water.
  8. 8. An air conditioner comprising the heat exchange system according to any one of claims 1 to 7, the heat exchange system comprising an indoor heat exchange portion and an outdoor heat exchange portion, the vaporization portion of the heat exchange system being disposed in the indoor heat exchange portion.
  9. 9. The air conditioner as set forth in claim 8, wherein the indoor heat exchange part includes: a shell provided with an air outlet, and The fan is arranged in the shell, is arranged opposite to the air outlet at intervals and is used for supplying air towards the air outlet; the vaporization part comprises a heating module, the heating module is arranged in the shell and is provided with a steam outlet, and the steam outlet is positioned between the air outlet and the fan and is used for outputting steam to an air supply path of the fan.
  10. 10. A method of humidifying a heat exchange system according to any one of claims 1 to 7, wherein the method comprises the steps of: Controlling the connection of the humidifying pipeline to obtain the liquid temperature of the humidifying water at the inlet end of the vaporizing part; and controlling the liquid flow of the humidifying pipeline according to the size relation between the liquid temperature and a preset temperature interval.
  11. 11. The humidification method of claim 10, wherein the step of controlling the flow rate of the liquid through the humidification circuit according to the magnitude relation between the liquid temperature and a preset temperature interval comprises: when the liquid temperature is smaller than the minimum critical value of the preset temperature interval, controlling the liquid flow of the humidifying pipeline to be a first flow L1; When the liquid temperature is larger than or equal to the minimum critical value of the preset temperature interval and smaller than the maximum critical value of the preset temperature interval, controlling the liquid flow of the humidifying pipeline to be a second flow L2, wherein the second flow L2 is larger than the first flow L1; And when the liquid temperature is greater than or equal to the maximum critical value of the preset temperature interval, controlling the humidification pipeline to be cut off, wherein the liquid flow of the humidification pipeline is zero.
  12. 12. The humidification method of claim 11, wherein the heat exchange system is defined to have a target humidification amount h, the first flow rate L1 satisfying a relationship of h/2≤L1 < h; the second flow rate L2 satisfies the relation l2=h.
  13. 13. The humidification method of claim 6, wherein the step of controlling the flow rate of the liquid through the humidification circuit according to the magnitude relation between the liquid temperature and a predetermined temperature interval comprises: When the liquid temperature is greater than or equal to the minimum critical value of the preset temperature interval, controlling the opening of the electronic expansion valve of the refrigerant circulation pipeline to be a preset opening; when the liquid temperature is smaller than the minimum critical value of the preset temperature interval, controlling the opening of the electronic expansion valve to be reduced compared with the preset opening.

Description

Heat exchange system, humidifying method thereof and air conditioner Technical Field The invention relates to the technical field of household appliances, in particular to a heat exchange system, a humidifying method thereof and an air conditioner. Background The humidifying pipe of an air conditioner, such as an air duct machine, is generally separately installed outside an indoor unit and is provided independently of the refrigerant circulation pipe of the air conditioner. The humidifying pipeline comprises a heating module, humidifying water can be converted into steam in an electric heating mode, and the steam is conveyed to the indoor unit through the steam conveying pipe so as to be conveyed into an indoor environment through an air outlet of the indoor unit. Because the humidification pipeline adopts the heating module to independently complete the heating vaporization mode, the power of the heating module is required to be high, the energy conversion efficiency of the heating module is low, and the energy consumption of the humidification module is high. Disclosure of Invention The invention mainly aims to provide a heat exchange system, a humidifying method thereof and an air conditioner, and aims to preheat humidifying water on a humidifying pipeline through a refrigerant circulating pipeline so as to achieve an energy-saving effect. In order to achieve the above object, the heat exchange system according to the present invention includes: A refrigerant circulation pipeline for circulating the refrigerant and The humidifying pipeline is used for humidifying water circulation, the humidifying pipeline comprises a heat exchange part and a vaporization part which are sequentially arranged along the flowing direction of the humidifying water, the heat exchange part is connected with at least part of the refrigerant circulating pipeline in a heat exchange mode so as to preheat the humidifying water, and the vaporization part is used for secondarily heating the humidifying water so as to enable the humidifying water to be heated and vaporized. In one embodiment, the refrigerant circulation pipeline comprises a heat conduction pipe for circulating the refrigerant; the heat exchange part comprises a heat exchange pipe, and the heat exchange pipe is sleeved on at least part of the heat conduction pipe and is surrounded with the heat conduction pipe to form a liquid passing channel for circulating the humidifying water so that the humidifying water absorbs heat from the refrigerant. In an embodiment, the heat conducting pipe comprises a plurality of first sub-pipes arranged side by side, wherein the plurality of first sub-pipes are sequentially arranged at intervals, and the plurality of first sub-pipes are sequentially arranged in series from head to tail; The heat exchange tube comprises a plurality of second subducting pipes which are arranged side by side, each second subducting pipe is sleeved on one first subducting pipe, and a plurality of second subducting pipes are sequentially arranged in series from head to tail. In an embodiment, the refrigerant circulation pipeline comprises a compressor and a four-way valve which are sequentially communicated, and at least part of the refrigerant circulation pipeline is connected between the compressor and the four-way valve in series and is in heat exchange connection with the heat exchange part. In an embodiment, a temperature detection module is disposed at an end of the vaporization portion facing the heat exchange portion, and is configured to detect a liquid temperature of the humidification water. In an embodiment, the humidifying pipeline further comprises a liquid inlet part, wherein the liquid inlet part is connected in series at the upstream of the heat exchange part; The liquid inlet part comprises a control pump, and the control pump can be opened and closed and is used for controlling the connection or disconnection of the humidifying pipeline. In an embodiment, the liquid inlet portion further comprises a liquid inlet module connected in series upstream of the control pump; The liquid inlet module comprises a water supply pipe which is communicated with the control pump through a purifier, or the liquid inlet module comprises a water supply tank which is communicated with the control pump, and a water level detection mechanism and a water quality detection mechanism are arranged in the water supply tank and are used for respectively detecting the water level and the water quality of the humidifying water. The invention also provides an air conditioner, which comprises the heat exchange system, wherein the heat exchange system comprises an indoor heat exchange part and an outdoor heat exchange part, and the vaporization part of the heat exchange system is arranged on the indoor heat exchange part. In one embodiment, the indoor heat exchange part includes: a shell provided with an air outlet, and The fan is arranged in the shell, is arranged oppos