Heat pump system for preventing condensate water from freezing
By installing antifreeze coils in the air source heat pump system and using sensors to control heat transfer, the problem of condensate freezing is solved, and a low-energy and efficient antifreeze effect is achieved, avoiding the risk of leakage.
Patent Information
- Application Number
- CN202422374330.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-09-27
AI Technical Summary
When the temperature of the existing air source heat pump is lower than 0℃ in winter, the condensate water freezes on the chassis, resulting in poor heat exchange effect, small power of the electric heating belt, slow heating and high energy consumption, and there is a risk of leakage.
The antifreeze coil is installed on the lower side of the heat exchanger. The hot water in the plate is replaced with the heat transfer to the antifreeze coil through the antifreeze water inlet solenoid valve and the antifreeze water outlet solenoid valve. The ambient temperature is monitored through the ambient temperature sensor and the antifreeze temperature sensor, and the heating is automatically adjusted to prevent the condensate from freezing.
It achieves low energy consumption, fast and effective prevention of condensate freezing, avoids the risk of leakage, has a simple structure, low cost, and high heat exchange efficiency.
Smart Images
Figure CN223271472U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the field of heating technology, and more specifically, relates to a heat pump system for preventing condensation water from freezing. Background Art
[0002] An air source heat pump is an energy-saving device that uses high-level energy to transfer heat from a low-level heat source, air, to a high-level heat source. As the name suggests, a heat pump, like a pump, can convert low-level heat energy that cannot be directly utilized (such as heat contained in air and soil) into usable high-level heat energy, thereby saving some high-level energy (such as coal, gas, oil, and electricity). Air, as the low-level heat source of a heat pump, is inexhaustible, available everywhere, and can be obtained free of charge. Furthermore, air source heat pump systems are relatively easy to install and use.
[0003] In winter, when temperatures drop below 0°C, condensate generated by the outdoor heat exchanger of existing air-source heat pumps is particularly prone to freezing on the chassis, affecting heat exchange efficiency. The current common solution is to install electric heating strips on the chassis where the heat exchanger is placed. However, these electric heating strips have low power and slow heating. The lower the temperature, the less effective they are. Once the temperature drops below a certain level, they are essentially ineffective. Furthermore, leaving them on for extended periods of time consumes a lot of energy and poses a safety risk of electrical leakage. Summary of the Invention
[0004] The purpose of the embodiments of the present application is to provide an anti-condensation water freezing heat pump system to solve the problems in the prior art of using electric heating belts to prevent condensation water from freezing on the chassis when the temperature is below 0°C in winter, such as low power and slow heating. The lower the temperature, the worse the effect. When the temperature drops to a certain level, it basically does not work. When it is turned on for a long time, the energy consumption is high and there is a risk of leakage.
[0005] In order to achieve the above-mentioned purpose, the technical solution adopted in the present application is: to provide an anti-condensation water freezing heat pump system, including a compressor, a four-way valve, a plate exchanger, a heat exchanger, an antifreeze coil, an antifreeze water inlet solenoid valve, an antifreeze water outlet solenoid valve and a chassis; the four-way valve has a D port, a C port, an E port and an S port, the plate exchanger has a plate exchanger air inlet, a plate exchanger liquid outlet, a plate exchanger water outlet and a plate exchanger water inlet, the D port, C port, E port and S port of the four-way valve are connected to the air outlet of the compressor, the air outlet of the heat exchanger, the plate exchanger plate outlet and the plate exchanger respectively. The plate exchanger's air inlet and the compressor's air intake are connected; the plate exchanger's plate exchanger liquid outlet is connected to the liquid inlet of the heat exchanger; the plate exchanger's plate exchanger water outlet is connected to the liquid inlet of the antifreeze coil through an antifreeze water inlet solenoid valve; the plate exchanger's plate exchanger water inlet is connected to the liquid outlet of the antifreeze coil through the antifreeze water outlet solenoid valve; the heat exchanger is installed on the upper side of the antifreeze coil, and an ambient temperature sensor is installed on the outer side of the heat exchanger; the antifreeze coil is installed on the upper side of the chassis, and an antifreeze temperature sensor is installed on the liquid inlet of the antifreeze coil.
[0006] In one embodiment, it further includes a liquid reservoir and an electronic expansion valve, wherein the liquid reservoir and the electronic expansion valve are arranged on a pipeline connecting the plate exchanger and the heat exchanger, and the liquid reservoir is located between the plate exchanger and the electronic expansion valve.
[0007] In one embodiment, a first fluorine system filter and a second fluorine system filter are further included. The liquid outlet of the liquid reservoir is connected to the liquid inlet of the electronic expansion valve through the first fluorine system filter, and the liquid outlet of the electronic expansion valve is connected to the liquid inlet of the heat exchanger through the second fluorine system filter.
[0008] In one embodiment, the antifreeze coil is detachably mounted on the chassis via a fixed base, and the heat exchanger is detachably mounted on the fixed base.
[0009] In one embodiment, a hot water filter is further included, and the water outlet of the plate heat exchanger is connected to the liquid inlet of the antifreeze water inlet solenoid valve through the hot water filter.
[0010] In one embodiment, the antifreeze coil is rectangular, and a serpentine liquid inlet channel and a serpentine liquid outlet channel are formed in the antifreeze coil. The liquid inlet channel is located above the liquid outlet channel, and the liquid outlet of the liquid inlet channel is connected to the liquid outlet of the liquid outlet channel; the liquid inlet channel includes at least two long liquid inlet holes arranged in parallel along the transverse direction of the antifreeze coil and connected in sequence, and the liquid outlet channel also includes at least two long liquid outlet holes arranged in parallel along the transverse direction of the antifreeze coil and connected in sequence, and the long liquid inlet holes and the long liquid outlet holes are both extended along the length direction of the antifreeze coil.
[0011] In one embodiment, the number of the liquid inlet long holes and the liquid outlet long holes is equal and they are arranged in a one-to-one correspondence.
[0012] In one embodiment, the cross-sections of the liquid inlet long hole and the liquid outlet long hole are both square or circular.
[0013] In one embodiment, a plurality of condensate guide grooves are provided on the upper and lower sides of the antifreeze coil, and the plurality of condensate guide grooves on the upper side of the antifreeze coil and the plurality of condensate guide grooves on the lower side of the antifreeze coil are arranged in parallel in sequence along the transverse direction of the antifreeze coil, and extend along the length direction of the antifreeze coil; the antifreeze coil has a condensate drainage end, and each of the condensate guide grooves has a first groove end and a second groove end, the first groove end is away from the condensate drainage end and is sealed, and the second groove end extends to the condensate drainage end and is open.
[0014] In one embodiment, the upper side portion or the lower side portion of the antifreeze coil located between two adjacent condensate guide grooves is arc-shaped.
[0015] Compared with the prior art, the anti-condensation water freezing heat pump system of the present invention has the following beneficial effects:
[0016] The utility model installs an antifreeze coil on the lower side of the heat exchanger, arranges a plate exchanger water outlet to connect the liquid inlet of the antifreeze coil through an antifreeze water inlet solenoid valve, arranges a plate exchanger water inlet to connect the liquid outlet of the antifreeze coil through an antifreeze water outlet solenoid valve, and installs an ambient temperature sensor on the outer side of the heat exchanger, and an antifreeze temperature sensor on the liquid inlet of the antifreeze coil. When the ambient temperature sensor measures that the ambient temperature of the heat exchanger is lower than 2°C or the antifreeze temperature sensor measures that the antifreeze temperature of the liquid inlet of the antifreeze coil is lower than 5°C, the antifreeze water inlet solenoid valve and the antifreeze water outlet solenoid valve will open, and the hot water generated in the plate exchanger will be transported to the antifreeze coil to heat the antifreeze coil, thereby preventing condensed water generated by the heat exchanger from freezing on the chassis. The utility model can utilize the hot water generated by the heat exchange between the water in the plate exchange of the heat pump system and the high-temperature and high-pressure gaseous refrigerant input by the compressor to heat the antifreeze coil, so as to prevent the condensed water generated by the heat exchanger from freezing on the chassis. It has low energy consumption, fast effect, is not affected by the ambient temperature, has no risk of leakage, is safe and reliable, and has a simple structure and low cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.
[0018] Figure 1 A simplified flow chart of the anti-condensation water freezing heat pump system provided in an embodiment of the present application;
[0019] Figure 2 A schematic diagram of the installation of the antifreeze coil on the chassis in the anti-condensation water freezing heat pump system provided in an embodiment of the present application;
[0020] Figure 3 This is a cross-sectional view of an antifreeze coil in a heat pump system for preventing condensation water from freezing provided in an embodiment of the present application.
[0021] Among them, the reference numerals in the figures are:
[0022] 1. Compressor; 2. Four-way valve; 3. Plate heat exchanger; 31. Plate heat exchanger air inlet; 32. Plate heat exchanger liquid outlet; 33. Plate heat exchanger water outlet; 34. Plate heat exchanger water inlet; 4. Liquid reservoir; 5. Electronic expansion valve; 6. Heat exchanger; 7. Antifreeze water inlet solenoid valve; 8. Antifreeze water outlet solenoid valve; 9. Hot water filter; 10. Ambient temperature sensor; 11. First fluorine system filter; 12. Second fluorine system filter; 13. Antifreeze coil; 14. Fixed base; 15. Antifreeze temperature sensor; 16. Condensate drain port; 17. Chassis; 18. Liquid inlet long hole; 19. Liquid outlet long hole; 20. Condensate diversion trough. DETAILED DESCRIPTION
[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, this application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.
[0024] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.
[0025] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.
[0026] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.
[0027] See also Figure 1 , is a heat pump system for preventing condensation from freezing according to an embodiment of the present invention, comprising a compressor 1, a four-way valve 2, a plate exchanger 3, a heat exchanger 6, an antifreeze coil 13, an antifreeze water inlet solenoid valve 7, an antifreeze water outlet solenoid valve 8 and a chassis 17; the four-way valve 2 has a D port, a C port, an E port and an S port, and the plate exchanger 3 has a plate exchanger air inlet 31, a plate exchanger liquid outlet 32, a plate exchanger water outlet 33 and a plate exchanger water inlet 34; wherein, the D port, C port, E port and S port of the four-way valve 2 are connected to the air outlet of the compressor 1, the air outlet of the heat exchanger 6, the plate exchanger 3, respectively. The air inlet 31 and the air intake of the compressor 1; the plate exchanger liquid outlet 32 of the plate exchanger 3 is connected to the liquid inlet of the heat exchanger 6; the plate exchanger water outlet 33 of the plate exchanger 3 is connected to the liquid inlet of the antifreeze coil 13 through the antifreeze water inlet solenoid valve 7; the plate exchanger water inlet 34 of the plate exchanger 3 is connected to the liquid outlet of the antifreeze coil 13 through the antifreeze water outlet solenoid valve 8; the heat exchanger 6 is installed on the upper side of the antifreeze coil 13, and an ambient temperature sensor 10 is installed on the outer surface of the heat exchanger 6; the antifreeze coil 13 is installed on the upper side of the chassis 17, and an antifreeze temperature sensor 15 is installed on the liquid inlet of the antifreeze coil 13.
[0028] During operation, the high-temperature and high-pressure gas discharged by the compressor 1 reaches the plate exchanger 3 through the four-way valve 2, and exchanges heat with the water in the plate exchanger 3. The water in the plate exchanger 3 becomes hot water after heat exchange, and the refrigerant after heat exchange and condensation in the plate exchanger 3 reaches the heat exchanger 6 to evaporate and absorb heat to form low-temperature and low-pressure gas, and then returns to the compressor 1 through the four-way valve 2. The compressor 1 further compresses the low-temperature and low-pressure gas to form high-temperature and high-pressure gas; because the plate exchanger outlet 33 of the plate exchanger 3 is connected to the liquid inlet of the antifreeze coil 13 through the antifreeze water inlet solenoid valve 7, and the plate exchanger water inlet 34 of the plate exchanger 3 is connected to the liquid outlet of the antifreeze coil 13 through the antifreeze water outlet solenoid valve 8, and an ambient temperature sensor 10 is installed on the outside of the heat exchanger 6, and an antifreeze temperature sensor 15 is installed on the liquid inlet of the antifreeze coil 13, and the ambient temperature sensor 10, the antifreeze temperature sensor 15, the antifreeze water inlet solenoid valve 7 and the antifreeze water outlet solenoid valve 8 are all electrically connected to the external controller, the outside The controller can control the operation of the antifreeze water inlet solenoid valve 7 and the antifreeze water outlet solenoid valve 8 through the temperature measured by the ambient temperature sensor 10 and the temperature measured by the antifreeze temperature sensor 15. Therefore, when the ambient temperature sensor 10 measures that the ambient temperature of the heat exchanger 6 is lower than 2°C or the antifreeze temperature sensor 15 measures that the antifreeze temperature of the liquid inlet of the antifreeze coil 13 is lower than 5°C, the external controller controls the antifreeze water inlet solenoid valve 7 and the antifreeze water outlet solenoid valve 8 to be open, and the hot water generated during heat exchange of the plate exchanger 3 enters the antifreeze coil 13 through the antifreeze water inlet solenoid valve 7. The hot water heats the antifreeze coil 13 to prevent the condensed water generated by the heat exchanger 6 from freezing; when the ambient temperature sensor 10 measures that the ambient temperature of the heat exchanger 6 is higher than 2°C or the antifreeze temperature sensor 15 measures that the antifreeze temperature of the liquid inlet of the antifreeze coil 13 is higher than 5°C, the external controller controls the antifreeze water inlet solenoid valve 7 and the antifreeze water outlet solenoid valve 8 to be closed, preventing the hot water generated in the plate exchanger 3 from flowing into the antifreeze coil 13.
[0029] The utility model can utilize the hot water generated by the heat exchange between the water in the plate exchanger 3 of the heat pump system and the high-temperature and high-pressure gaseous refrigerant input by the compressor 1 to heat the antifreeze coil 13, so as to achieve the purpose of preventing the condensed water generated by the heat exchanger 6 from freezing. It has low energy consumption, fast effect, is not affected by the ambient temperature, does not have the risk of leakage, is safe and reliable, and has a simple structure and low cost.
[0030] In one embodiment, the condensate-freezing prevention heat pump system further includes a liquid reservoir 4 and an electronic expansion valve 5. These reservoirs are located in the pipeline connecting the plate exchanger 3 and the heat exchanger 6, with the reservoir 4 positioned between the plate exchanger 3 and the electronic expansion valve 5. The reservoir 4 is used to store the gas-liquid mixed refrigerant condensed by heat exchange in the plate exchanger 3, regulating system pressure and flow. Furthermore, the liquid refrigerant output from the reservoir 4 is liquid refrigerant, preventing the gaseous refrigerant from entering the electronic expansion valve 5. After throttling and reducing the pressure of the electronic expansion valve 5, the liquid refrigerant reaches the heat exchanger 6. The electronic expansion valve 5 regulates the refrigerant flow rate based on the suction superheat, ensuring that the refrigerant fully evaporates and absorbs heat in the heat exchanger 6, thereby maximizing the unit's energy efficiency.
[0031] In one embodiment, the anti-condensate freezing heat pump system further includes a first fluorine system filter 11 and a second fluorine system filter 12. The liquid outlet of the liquid reservoir 4 is connected to the liquid inlet of the electronic expansion valve 5 through the first fluorine system filter 11, and the liquid outlet of the electronic expansion valve 5 is connected to the liquid inlet of the heat exchanger 6 through the second fluorine system filter 12. The first and second fluorine system filters 11, 12 can fully filter the refrigerant, ensuring the purity of the refrigerant system and preventing impurities in the refrigerant system from clogging the electronic expansion valve 5 and wearing out refrigerant system components.
[0032] In one embodiment, if Figure 2 As shown, the antifreeze coil 13 is detachably mounted on the chassis 17 via a fixed base 14 , and the heat exchanger 6 is detachably mounted on the fixed base 14 .
[0033] In one embodiment, the anti-condensation water freezing heat pump system further includes a hot water filter 9. The water outlet 33 of the plate heat exchanger 3 is connected to the liquid inlet of the antifreeze water inlet solenoid valve 7 through the hot water filter 9. The hot water filter 9 is used to filter impurities in the hot water delivered by the plate heat exchanger 3, preventing these impurities from causing wear and clogging of the antifreeze coil 13.
[0034] In one embodiment, if Figure 3 As shown, the antifreeze coil 13 is rectangular and has a serpentine liquid inlet channel and a serpentine liquid outlet channel formed therein. The liquid inlet channel is located above the liquid outlet channel, and the liquid outlet of the liquid inlet channel is connected to the liquid outlet of the liquid outlet channel. The liquid inlet channel includes at least two liquid inlet slots 18 arranged in parallel and sequentially connected along the transverse direction of the antifreeze coil 13. The liquid outlet channel also includes at least two liquid outlet slots 19 arranged in parallel and sequentially connected along the transverse direction of the antifreeze coil 13. Both the liquid inlet slots 18 and the liquid outlet slots 19 extend along the length of the antifreeze coil 13. This structural arrangement of the antifreeze coil 13 can fully increase the heat exchange area of the antifreeze coil 13, enabling countercurrent heat exchange, with top-in and bottom-out, resulting in very high heat exchange efficiency.
[0035] Optionally, the number of the liquid inlet long holes 18 and the liquid outlet long holes 19 are equal and are arranged in a one-to-one correspondence.
[0036] Optionally, the cross sections of the liquid inlet slot 18 and the liquid outlet slot 19 are both square, circular or other shapes.
[0037] In one embodiment, a plurality of condensate guide grooves 20 are provided on the upper and lower sides of the antifreeze coil 13. The plurality of condensate guide grooves 20 on the upper side of the antifreeze coil 13 and the plurality of condensate guide grooves 20 on the lower side of the antifreeze coil 13 are arranged in parallel in sequence along the transverse direction of the antifreeze coil 13, and extend along the length direction of the antifreeze coil 13; the antifreeze coil 13 has a condensate drainage end 16, and each condensate guide groove 20 has a first groove end and a second groove end. The first groove end is away from the condensate drainage end 16 and is sealed, and the second groove end extends to the condensate drainage end 16 and is open. When condensation forms on the outer surface of the heat exchanger 6 due to low ambient temperature, the condensation falls into the condensation diversion groove 20 facing the heat exchanger 6. The condensation diversion groove 20 can quickly and effectively drain the condensation to the condensation drain port 16 of the antifreeze coil 13, allowing the condensation to be discharged outside the unit consisting of the chassis 17, the heat exchanger 6, and the antifreeze coil 13, thereby preventing the accumulation of water in the unit from freezing. By providing condensation diversion grooves 20 on both the upper and lower sides of the antifreeze coil 13, the condensation generated by the heat exchanger 6 can be quickly and effectively discharged outside the unit whether the antifreeze coil 13 is installed in the forward or reverse direction.
[0038] Optionally, the upper side portion or the lower side portion of the antifreeze coil 13 located between two adjacent condensate guide grooves 20 is in the shape of an arc protruding outward. This setting can prevent condensate from gathering on the upper side portion or the lower side portion of the antifreeze coil 13 located between two adjacent condensate guide grooves 20, ensuring that the condensate can flow into the guide groove and be diverted out as much as possible.
[0039] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application should be included in the scope of protection of the present application.
Claims
1. A heat pump system for preventing condensation water from freezing, characterized in that: The utility model comprises a compressor, a four-way valve, a plate exchanger, a heat exchanger, an antifreeze coil, an antifreeze water inlet solenoid valve, an antifreeze water outlet solenoid valve and a chassis; the four-way valve has a D port, a C port, an E port and an S port, the plate exchanger has a plate exchanger air inlet, a plate exchanger liquid outlet, a plate exchanger water outlet and a plate exchanger water inlet, the D port, the C port, the E port and the S port of the four-way valve are respectively connected to the air outlet of the compressor, the air outlet of the heat exchanger, the plate exchanger air inlet and the air intake of the compressor; the plate exchanger has a D port, a C port, an E port and a S port ... The liquid outlet of the plate exchanger is connected to the liquid inlet of the heat exchanger; the water outlet of the plate exchanger is connected to the liquid inlet of the antifreeze coil through the antifreeze water inlet solenoid valve; the water inlet of the plate exchanger is connected to the liquid outlet of the antifreeze coil through the antifreeze water outlet solenoid valve; the heat exchanger is installed on the upper side of the antifreeze coil, and an ambient temperature sensor is installed on the outer side of the heat exchanger; the antifreeze coil is installed on the upper side of the chassis, and an antifreeze temperature sensor is installed on the liquid inlet of the antifreeze coil.
2. The anti-condensation water freezing heat pump system according to claim 1, characterized in that: It also includes a liquid reservoir and an electronic expansion valve, which are arranged on a pipeline connecting the plate exchanger and the heat exchanger, and the liquid reservoir is located between the plate exchanger and the electronic expansion valve.
3. The anti-condensation water freezing heat pump system according to claim 2, characterized in that: It also includes a first fluorine system filter and a second fluorine system filter. The liquid outlet of the liquid reservoir is connected to the liquid inlet of the electronic expansion valve through the first fluorine system filter, and the liquid outlet of the electronic expansion valve is connected to the liquid inlet of the heat exchanger through the second fluorine system filter.
4. The anti-condensation water freezing heat pump system according to claim 1, characterized in that: The antifreeze coil is detachably mounted on the chassis via a fixed base, and the heat exchanger is detachably mounted on the fixed base.
5. The anti-condensation water freezing heat pump system according to claim 1, characterized in that: It also includes a hot water filter, and the water outlet of the plate heat exchanger is connected to the liquid inlet of the antifreeze water inlet solenoid valve through the hot water filter.
6. The anti-condensation water freezing heat pump system according to claim 1, characterized in that: The antifreeze coil is rectangular, and a serpentine liquid inlet channel and a serpentine liquid outlet channel are formed in the antifreeze coil. The liquid inlet channel is located above the liquid outlet channel, and the liquid outlet of the liquid inlet channel is connected to the liquid outlet of the liquid outlet channel; the liquid inlet channel includes at least two long liquid inlet holes arranged in parallel along the transverse direction of the antifreeze coil and connected in sequence, and the liquid outlet channel also includes at least two long liquid outlet holes arranged in parallel along the transverse direction of the antifreeze coil and connected in sequence, and the long liquid inlet holes and the long liquid outlet holes are both extended along the length direction of the antifreeze coil.
7. The anti-condensation water freezing heat pump system according to claim 6, characterized in that: The number of the liquid inlet long holes and the liquid outlet long holes is equal and they are arranged in a one-to-one correspondence.
8. The anti-condensation water freezing heat pump system according to claim 6, characterized in that: The cross sections of the liquid inlet long hole and the liquid outlet long hole are both square or circular.
9. The anti-condensation water freezing heat pump system according to claim 1, characterized in that: A plurality of condensation water guide grooves are provided on the upper and lower sides of the antifreeze coil, and the plurality of condensation water guide grooves on the upper side of the antifreeze coil and the plurality of condensation water guide grooves on the lower side of the antifreeze coil are arranged in parallel in sequence along the transverse direction of the antifreeze coil, and extend along the length direction of the antifreeze coil; the antifreeze coil has a condensation water drainage end, and each of the condensation water guide grooves has a first groove end and a second groove end, the first groove end is away from the condensation water drainage end and is sealed, and the second groove end extends to the condensation water drainage end and is open.
10. The anti-condensation water freezing heat pump system according to claim 9, characterized in that: The upper side surface portion or the lower side surface portion of the antifreeze coil located between two adjacent condensate water guide grooves is in an arc shape.