Air conditioning system
By combining evaporative and air-cooled condensers in an air conditioning system, and using a refrigerant pump and compressor to drive liquid circulation, the problems of high energy consumption and condenser freezing in winter of existing refrigerant pump air conditioners are solved, achieving efficient and energy-saving heat dissipation.
Patent Information
- Application Number
- CN202423190981.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Existing refrigerant pump-type air conditioners consume a lot of energy as they use air-cooled condensers to expel heat into the atmosphere, while evaporative condensers are prone to becoming unusable in winter.
An air conditioning system was designed that combines evaporative and air-cooled condensers. The system uses a refrigerant pump and compressor to drive the liquid to circulate in the air-cooled finned coil, and utilizes the evaporative condenser coil for heat dissipation. Furthermore, a circulating water pump and nozzle baffles are used to collect water from the bottom of the unit for further heat dissipation, thus avoiding the risk of condenser spray freezing.
This achieves efficient heat dissipation in winter while reducing energy consumption, avoiding the risk of condenser spray freezing, and improving system reliability and energy efficiency.
Smart Images

Figure CN223550683U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of data center air conditioning technology, and in particular to an air conditioning system. Background Technology
[0002] With the high-density integration of internet technology equipment in electronic information system computer rooms, the problem of high heat dissipation in computer rooms has begun to attract social attention. Fluorine pump integrated units, as a device that operates around the clock, are particularly suitable for data centers.
[0003] Existing refrigerant pump-type air conditioners expel heat into the atmosphere through air-cooled condensers, resulting in high energy consumption, while evaporative condensers are prone to becoming unusable in winter. Utility Model Content
[0004] The purpose of this utility model is to provide an air conditioning system that solves the problems of high energy consumption in refrigerant pump air conditioners that discharge heat into the atmosphere through air-cooled condensers, and the inability of evaporative condensers to function properly in winter.
[0005] To achieve the above objectives, this utility model provides an air conditioning system, including a liquid storage tank, a refrigerant pump, an evaporator, a compressor, a housing, a circulating water pump, an electric drain valve, an air inlet, water-absorbing packing, an evaporative condensing coil, a nozzle baffle, an air-cooled finned coil, and a throttling valve. The liquid storage tank is located on one side of the housing. The refrigerant pump is connected to the liquid storage tank and located at the output end of the liquid storage tank. The throttling valve is connected to the refrigerant pump and located at the output end of the refrigerant pump. The evaporator is connected to the throttling valve and located at the output end of the throttling valve. The evaporator is connected to the compressor and located at the input end of the compressor. The evaporative condensing coil is fixedly connected to the housing and located on the inner side wall of the housing. The liquid tank is connected and located at the input end of the liquid storage tank. The nozzle baffle is fixedly connected to the housing and located on the inner side wall of the housing. The output end of the circulating water pump is connected to the nozzle baffle and located on one side of the nozzle baffle. The input end of the circulating water pump is connected to the housing and located on one side of the housing. One end of the air-cooled finned coil is connected to the evaporative condenser coil and located at the input end of the evaporative condenser coil. The other end of the air-cooled finned coil is connected to the compressor and located at the output end of the compressor. The air inlet is connected to the housing and located on one side of the housing. The water-absorbing packing is disposed on the inner side wall of the housing. Both ends of the electric drain valve are connected to the housing and the circulating water pump, respectively.
[0006] The air conditioning system also includes an exhaust fan, which is rotatably connected to the housing and located on the inner side wall of the housing.
[0007] The air conditioning system further includes an electric water inlet valve and a water inlet. The electric water inlet valve is connected to the housing and located on one side of the housing. The water inlet is connected to the electric water inlet valve and located at the input end of the electric water inlet valve.
[0008] The air conditioning system also includes a manual drain valve, which is connected to the electric drain valve and located at both ends of the electric drain valve.
[0009] The air conditioning system also includes an overflow pipe, the two ends of which are connected to the housing and the manual drain valve, respectively.
[0010] This utility model discloses an air conditioning system in which, during use, the refrigerant pump and the compressor are turned on, driving liquid into the air-cooled finned coil. Air flows in from the air inlet, and after being pre-cooled by the water-absorbing packing, it flows through the evaporative condenser coil to dissipate heat from the liquid inside. The circulating water pump, in conjunction with the nozzle baffle, collects water from the bottom of the housing to further dissipate heat from the air-cooled finned coil. At this point, the liquid is then input from the evaporative condenser coil into the liquid storage tank. This method ensures energy efficiency while avoiding the risk of condenser freezing in winter. Attached Figure Description
[0011] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.
[0012] Figure 1 This is a structural schematic diagram of the air conditioning system of this utility model.
[0013] Figure 2 This is a partial structural schematic diagram of the air conditioning system of this utility model.
[0014] Figure 3 This is a schematic diagram of a dual-system air conditioning system using a refrigerant pump.
[0015] Figure 4 This is a schematic diagram of the control principle of a refrigerant pump air conditioning system.
[0016] Figure 5 This is a control principle diagram of an evaporative condenser.
[0017] 101-Liquid storage tank, 102-Fluorine pump, 103-Evaporator, 104-Compressor, 105-Casing, 106-Circulating water pump, 107-Electric drain valve, 108-Air inlet, 109-Water absorption packing, 110-Evaporative condenser coil, 111-Nozzle baffle, 112-Air-cooled finned coil, 113-Exhaust fan, 114-Electric water inlet valve, 115-Water inlet, 116-Manual drain valve, 117-Overflow pipe, 118-Throttle valve. Detailed Implementation
[0018] Please see Figures 1 to 5 ,in, Figure 1 This is a structural schematic diagram of the air conditioning system of this utility model. Figure 2 This is a partial structural diagram of the air conditioning system of this utility model. Figure 3 This is a schematic diagram of a dual-system air conditioning system using a refrigerant pump. Figure 4 This is the control schematic diagram of a refrigerant pump air conditioning system. Figure 5 This is a control principle diagram of an evaporative condenser.
[0019] This utility model provides an air conditioning system, including a liquid storage tank 101, a refrigerant pump 102, an evaporator 103, a compressor 104, a housing 105, a circulating water pump 106, an electric drain valve 107, an air inlet 108, a water-absorbing packing 109, an evaporative condenser coil 110, a throttling valve 118, a nozzle baffle 111, an air-cooled finned coil 112, an exhaust fan 113, an electric water inlet valve 114, a water inlet 115, a manual drain valve 116, and an overflow pipe 117.
[0020] The liquid storage tank 101 is disposed on one side of the housing 105. The refrigerant pump 102 is connected to the liquid storage tank 101 and is located at the output end of the liquid storage tank 101. The throttle valve 118 is connected to the refrigerant pump 102 and is located at the output end of the refrigerant pump 102. The evaporator 103 is connected to the throttle valve 118 and is located at the output end of the throttle valve 118. The evaporator 103 is connected to the compressor 104 and is located at the input end of the compressor 104. The evaporative condenser coil 110 is fixedly connected to the housing 105 and is located on the inner wall of the housing 105. The evaporative condenser coil 110 is connected to the liquid storage tank 101 and is located at the input end of the liquid storage tank 101. The nozzle baffle 111 is fixedly connected to the housing 105 and is located on the inner wall of the housing 105. The inner wall of housing 5, the output end of the circulating water pump 106 is connected to the nozzle baffle 111 and located on one side of the nozzle baffle 111, the input end of the circulating water pump 106 is connected to the housing 105 and located on one side of the housing 105, one end of the air-cooled finned coil 112 is connected to the evaporative condenser coil 110 and located at the input end of the evaporative condenser coil 110, the other end of the air-cooled finned coil 112 is connected to the compressor 104 and located at the output end of the compressor 104, the air inlet 108 is connected to the housing 105 and located on one side of the housing 105, the water-absorbing packing 109 is disposed on the inner wall of the housing 105, and the two ends of the electric drain valve 107 are connected to the housing 105 and the circulating water pump 106 respectively.
[0021] In this embodiment, during use, the refrigerant pump 102 and the compressor 104 are turned on to drive the liquid into the air-cooled finned coil 112. Air flows in from the air inlet 108, and after being pre-cooled by the water-absorbing packing 109, it flows through the evaporative condenser coil 110 to dissipate heat from the liquid inside. The circulating water pump 106, in cooperation with the nozzle baffle 111, collects water from the bottom of the housing 105 to further dissipate heat from the air-cooled finned coil 112. At this time, the liquid is then input from the evaporative condenser coil 110 into the liquid storage tank 101. In this way, energy saving and high efficiency are ensured while avoiding the risk of condenser spray freezing in winter.
[0022] Furthermore, the exhaust fan 113 is rotatably connected to the housing 105 and is located on the inner side wall of the housing 105.
[0023] In this embodiment, the exhaust fan 113 is used to replace the gas in the housing 105 to ensure the effect of air cooling.
[0024] Furthermore, the electric water inlet valve 114 is connected to the housing 105 and is located on one side of the housing 105, and the water inlet 115 is connected to the electric water inlet valve 114 and is located at the input end of the electric water inlet valve 114.
[0025] In this embodiment, the electric water inlet valve 114 and the water inlet end are used to add circulating water into the tank 105.
[0026] Furthermore, the manual drain valve 116 is connected to the electric drain valve 107 and is located at both ends of the electric drain valve 107.
[0027] In this embodiment, the manual drain valve 116 can drain the water in the tank 105 even during a power outage.
[0028] Furthermore, the two ends of the overflow pipe 117 are connected to the box body 105 and the manual drain valve 116, respectively.
[0029] In this embodiment, the overflow pipe 117 guides excess water to the manual drain valve 116 to avoid affecting the normal operation of other components inside the housing 105.
[0030] The working principle of the air conditioning system of this utility model is as follows:
[0031] The schematic diagram of the refrigerant pump air conditioning system is as follows: Figure 1 and Figure 3 As shown, the control logic is as follows Figure 4 As shown, the compressor of the refrigerant pump air conditioning system is turned on, and the real-time outdoor temperature t is collected. a After the runtime reaches the first preset duration, the return air temperature t1 is collected. When the return air temperature t1 and the outdoor temperature t... a Once the difference meets the first threshold, the refrigerant pump 102 is turned on. If the real-time condensing temperature is less than or equal to the second threshold, the pump mode is maintained; if it is greater than the second threshold, the compressor 104 is turned off and the refrigerant pump 102 is turned on.
[0032] Example 1
[0033] Control logic of refrigerant pump air conditioning dual system and Figure 4 Similarly, the first system is determined by the outdoor temperature t. a The first system's return air temperature t1 is controlled by real-time condensing pressure; the second system is controlled by outdoor temperature t. a The return air temperature t2 of the second system (supply air temperature of the first system) is controlled.
[0034] The above-disclosed embodiments are merely preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art will understand that all or part of the processes for implementing the above embodiments, and equivalent variations made in accordance with the claims of this application, still fall within the scope of this application.
Claims
1. An air conditioning system, characterized in that, The system includes a liquid storage tank, a refrigerant pump, an evaporator, a compressor, a housing, a circulating water pump, an electric drain valve, an air inlet, water-absorbing packing, an evaporative condenser coil, a nozzle baffle, an air-cooled finned coil, and a throttling valve. The liquid storage tank is located on one side of the housing. The refrigerant pump is connected to the liquid storage tank and located at its output end. The throttling valve is connected to the refrigerant pump and located at its output end. The evaporator is connected to the throttling valve and located at its output end. The evaporator is connected to the compressor and located at its input end. The evaporative condenser coil is fixedly connected to the housing and located on the inner wall of the housing. The evaporative condenser coil is connected to the liquid storage tank and located within the liquid storage tank. The nozzle baffle is fixedly connected to the housing and located on the inner wall of the housing at the input end of the tank. The output end of the circulating water pump is connected to the nozzle baffle and located on one side of the nozzle baffle. The input end of the circulating water pump is connected to the housing and located on one side of the housing. One end of the air-cooled finned coil is connected to the evaporative condenser coil and located at the input end of the evaporative condenser coil. The other end of the air-cooled finned coil is connected to the compressor and located at the output end of the compressor. The air inlet is connected to the housing and located on one side of the housing. The water-absorbing packing is disposed on the inner wall of the housing. Both ends of the electric drain valve are connected to the housing and the circulating water pump, respectively.
2. The air conditioning system as described in claim 1, characterized in that, The air conditioning system also includes an exhaust fan, which is rotatably connected to the housing and located on the inner side wall of the housing.
3. The air conditioning system as described in claim 2, characterized in that, The air conditioning system also includes an electric water inlet valve and a water inlet. The electric water inlet valve is connected to the housing and located on one side of the housing. The water inlet is connected to the electric water inlet valve and located at the input end of the electric water inlet valve.
4. The air conditioning system as described in claim 3, characterized in that, The air conditioning system also includes a manual drain valve, which is connected to the electric drain valve and located at both ends of the electric drain valve.
5. The air conditioning system as described in claim 4, characterized in that, The air conditioning system also includes an overflow pipe, the two ends of which are connected to the housing and the manual drain valve, respectively.