A water-cooled refrigerant distribution system
By designing a water-cooled refrigerant distribution system suitable for highly confined spaces, using the coordinated work of components such as intermediate heat exchangers and refrigerant-driven pumps, the problem of heat transfer and emission in the machine room air conditioner is solved, and efficient heat management and energy consumption reduction is achieved.
Patent Information
- Application Number
- CN202420728373.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-04-10
AI Technical Summary
When the height installation space of the computer room air conditioner is limited and gravity cannot be driven by gravity, it is difficult for the existing heat pipe air conditioner end system to effectively transfer and discharge heat, resulting in local hot issues and high energy consumption.
A water-cooled refrigerant distribution system is designed, including a water-cooled refrigerant distribution unit and the end of the heat pipe air conditioner. Through the coordinated work of components such as intermediate heat exchanger, refrigerant liquid storage tank and refrigerant drive pump, the efficient circulation of refrigerant and the effective transfer of heat is achieved. The system is powered to achieve good heat dissipation in a smaller installation space, and the refrigerant flow rate can be adjusted to meet different cooling load needs.
The system can effectively solve local hot issues and high energy consumption problems, realize efficient management and control of heat in the server cabinet, reduce temperature unevenness and energy consumption in the computer room, and at the same time adapt to different thermal load conditions to ensure the stable operation and long-term reliability of the system.
Smart Images
Figure CN222706831U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of heat removal in server rooms, and relates to a heat pipe module system, and in particular to a water-cooled refrigerant distribution system, which is suitable for places where the height installation space of the air-conditioning room in the computer room is limited and the system cannot be driven by gravity but by power. Background Art
[0002] The integration density of cabinet servers in the computer room is getting higher and higher, and the heat generated by the servers is getting higher and higher. Traditional server rooms that use room-level precision air conditioning for cooling will have serious local hot spot problems due to the long air supply distance, high fan power consumption, and chaotic air flow organization in the computer room. Local hot spot problems often have serious consequences, such as reduced server performance (the heat generated when the server is running cannot be effectively dissipated, which will cause the internal temperature of the server to rise, thereby affecting the stability and performance of the server), shortened server life (excessive temperature will accelerate the aging of server components and reduce their lifespan, thereby increasing the cost of server maintenance and replacement), increased energy consumption costs (in order to solve the local hot spot problem, it is necessary to increase air conditioning equipment in the computer room, which will not only increase energy consumption costs, but also lead to unnecessary operation of the computer room air conditioning system, increasing the maintenance cost of the computer room equipment), reduced computer room stability (excessive temperature and humidity will have an adverse effect on the equipment in the computer room, thereby increasing the failure rate of the equipment in the computer room, and may even cause the computer room system to collapse, resulting in greater economic losses), etc.
[0003] In order to solve the high energy consumption and possible local hot spots when the server room uses traditional room air conditioners, a chilled water room air conditioner can be used according to the conditions on site (a chilled water room air conditioner is an air conditioning system that uses cold water for cooling. By pressurizing the cold water, the cold water is transported to the inside of the cabinet, the heat in the cabinet is transferred to the cold water, and then the cold water is taken away for use in the heat exchanger, thereby solving the hot spot problem). Its advantage is that it can reduce power consumption to a certain extent and effectively solve the hot spot problem. The disadvantage is that it requires certain modifications to introduce cold water into the cabinet, which has great safety risks. The heat pipe air conditioning terminal can also be used (such as the heat pipe back panel air conditioner that replaces the rear door of the server cabinet, the heat pipe row air conditioner installed between the rows of cabinets, the top heat pipe air conditioner installed above the aisle of two rows of cabinets, the heat pipe cabinet installed in the appropriate space in the computer room, etc.). The heat pipe air conditioning terminal is energy-saving and efficient, which can effectively solve the problems of high energy consumption and local hot spots of traditional computer room air conditioners. However, the heat pipe air conditioning terminal is usually driven by gravity, which requires a sufficient height difference between the heat pipe air conditioning terminal and the intermediate heat exchanger, and is limited in use in places where the height difference does not meet the requirements. Utility Model Content
[0004] 1. Technical issues
[0005] In order to solve the above-mentioned shortcomings and deficiencies of the prior art, the utility model aims to provide a water-cooled refrigerant distribution system. The water-cooled refrigerant distribution unit is installed on the ground and is suitable for places where the height installation space of the air-conditioning room in the computer room is limited and the system cannot be driven by gravity but is powered by power. While improving the refrigerant circulation power, the refrigerant flow rate can be adjusted to meet the changing demand of the cooling load at the terminal of the heat pipe air-conditioning; the terminal of the heat pipe air-conditioning can be one or more of a heat pipe backplane air-conditioning, a heat pipe row air-conditioning, a roof-mounted heat pipe air-conditioning, a heat pipe cabinet unit, etc., which is not restricted by the height difference with the intermediate heat exchanger and can better meet the needs of different terminal forms in the computer room.
[0006] (II) Technical solution
[0007] The technical solution adopted by the utility model to solve its technical problems is:
[0008] A water-cooled refrigerant distribution system comprises a water-cooled refrigerant distribution unit and a heat pipe air conditioning terminal, wherein:
[0009] The water-cooled refrigerant distribution unit includes a sheet metal shell and an intermediate heat exchanger, a refrigerant storage tank, and a refrigerant drive pump arranged in the sheet metal shell, wherein the intermediate heat exchanger is divided into a cold side and a hot side, wherein the cold side inlet is connected to an outdoor cold source through an inlet pipe, and the cold side outlet is connected to a water outlet pipe leading to the outside of the machine room, and the hot side inlet is connected to the gas-phase refrigerant outlet at the end of the heat pipe air conditioner through a gas-phase refrigerant pipeline, and the hot side outlet is connected to the liquid-phase refrigerant inlet at the end of the heat pipe air conditioner through a liquid-phase refrigerant pipeline via the refrigerant storage tank and the refrigerant drive pump.
[0010] The working principle of the water-cooled refrigerant distribution system of the utility model is:
[0011] The intermediate heat exchanger is divided into a cold side and a hot side. The cold side inlet is introduced with chilled water provided by an outdoor cold source through a water inlet pipe. After the chilled water absorbs the heat on the hot side and its temperature rises, it takes the heat out of the machine room through a water outlet pipe connected to its cold side outlet. The hot side inlet is introduced with refrigerant vapor from the end of the heat pipe air conditioner through a gas-phase refrigerant pipeline. After the refrigerant vapor exchanges heat with the chilled water on its cold side on its hot side, its temperature decreases and it becomes refrigerant liquid. The refrigerant liquid is transported through a liquid-phase refrigerant pipeline connected to the hot side outlet of the intermediate heat exchanger and the inlet of the refrigerant liquid storage tank. To the refrigerant storage tank, and then transported to the refrigerant driving pump through the liquid-phase refrigerant pipeline connected with the outlet of the refrigerant storage tank and the inlet of the refrigerant driving pump. The refrigerant liquid driven and transported by the refrigerant driving pump is transported to the end of the heat pipe air conditioner through the liquid-phase refrigerant pipeline connected with the outlet of the refrigerant driving pump. The refrigerant liquid absorbs the heat of the server cabinet in the end of the heat pipe air conditioner and continues to evaporate into refrigerant vapor. It enters the intermediate heat exchanger through the gas-phase refrigerant pipeline again for heat exchange, thereby discharging heat from the computer room.
[0012] Preferably, the water-cooled refrigerant distribution unit is installed on the ground in the air-conditioning room of the computer room.
[0013] Preferably, an electric regulating valve is installed on the water outlet pipe in the water-cooled refrigerant distribution unit to adjust the water flow rate to adapt to the load change at the end of the heat pipe air conditioner.
[0014] Preferably, the refrigerant driven pump in the water-cooled refrigerant distribution unit includes a refrigerant driven pump I and a refrigerant driven pump II, which are installed in parallel and are configured as a backup; on the liquid-phase refrigerant pipeline connected to the outlets of the refrigerant driven pump I and the refrigerant driven pump II, a one-way valve I and a one-way valve II are respectively installed near the outlets of the refrigerant driven pump I and the refrigerant driven pump II to prevent cavitation in the refrigerant driven pump I and the refrigerant driven pump II.
[0015] Furthermore, the water-cooled refrigerant distribution unit further includes a control unit and multiple temperature sensors, multiple pressure sensors, water leakage detection ropes and / or liquid level sensors that are communicatively connected to the control unit, which are used to control and ensure the normal working state of the electric regulating valve, refrigerant drive pump I, refrigerant drive pump II, and refrigerant storage tank to meet the cooling load demand of the heat pipe air conditioning terminal.
[0016] Furthermore, the refrigerant driven pump I and the refrigerant driven pump II are both communicatively connected to the control unit and both adopt variable frequency speed regulating pumps. According to the real-time cooling load and refrigerant flow demand of the heat pipe air conditioning terminal, the pump operating speed is automatically adjusted under the instruction of the control unit to achieve energy saving and meet the dynamic changing needs of the system.
[0017] Furthermore, the electric regulating valve in the water-cooled refrigerant distribution unit is communicatively connected to the control unit, and the opening of the electric regulating valve is dynamically adjusted according to the cooling load and temperature feedback at the end of the heat pipe air conditioner, thereby achieving precise control of the chilled water flow.
[0018] Furthermore, the cold side outlet of the intermediate heat exchanger is provided with a temperature sensor for real-time monitoring of the cold side outlet water temperature to ensure that the temperature of the chilled water is within a preset range. The temperature data collected by the temperature sensor is fed back to the control unit, and the control unit automatically adjusts the opening of the electric regulating valve and the operating status of each refrigerant drive pump according to the temperature data to maintain the optimal operating state of the system.
[0019] Furthermore, the water-cooled refrigerant distribution unit is provided with a water leakage detection rope located at the bottom of the sheet metal shell and an alarm device connected thereto. When a leak occurs inside the system, the water leakage detection rope can detect the abnormal situation in time and issue a warning through the alarm device so that timely measures can be taken to avoid possible equipment damage or safety accidents. This water leakage detection system can improve the safety performance of the system and protect the equipment from water damage. In addition, the refrigerant storage tank is equipped with a liquid level sensor for real-time monitoring of the refrigerant storage level to ensure that the supply of refrigerant is within a safe and effective range. The data of the liquid level sensor is fed back to the control unit in real time, and the control unit adjusts the refrigerant replenishment or discharge according to the liquid level information, thereby ensuring the stable operation of the system and the refrigeration efficiency. In addition, by accurately controlling the refrigerant liquid level, refrigerant leakage and waste can be effectively prevented, ensuring the environmental friendliness and economy of the system.
[0020] Preferably, the heat pipe air conditioner terminal is in various terminal forms, including a heat pipe back plate air conditioner, a heat pipe row air conditioner, a top-mounted heat pipe air conditioner and / or a heat pipe cabinet unit.
[0021] (III) Technical Effect
[0022] Compared with the prior art, the water-cooled refrigerant distribution system provided by the utility model has at least the following beneficial and significant technical effects:
[0023] (1) The water-cooled refrigerant distribution system provided by the utility model aims at the local hot spot problem, high energy consumption and low space utilization rate existing in the traditional server room heat removal technology. By adopting the design of water-cooled refrigerant distribution unit combined with heat pipe air conditioner terminal, the system can effectively transfer and discharge heat when the height installation space of the air conditioner room is limited, thus realizing efficient management and control of the heat of the server cabinet. This design does not rely on gravity drive, but promotes the circulation of refrigerant through power drive, so as to achieve good heat dissipation effect in a smaller installation space.
[0024] (2) In the water-cooled refrigerant distribution system provided by the utility model, the water-cooled refrigerant distribution unit is installed on the ground, which is suitable for places where the height installation space of the air-conditioning room in the computer room is limited and the system cannot be driven by gravity but is driven by power. While improving the refrigerant circulation power, the refrigerant flow rate can be adjusted to meet the changing demand of the cooling load at the end of the heat pipe air-conditioning; the end of the heat pipe air-conditioning can be one or more of a heat pipe back plate air-conditioning, a heat pipe row air-conditioning, a top-mounted heat pipe air-conditioning, a heat pipe cabinet unit, etc., which is not restricted by the height difference with the intermediate heat exchanger and can better meet the needs of different terminal forms in the computer room.
[0025] (3) The water-cooled refrigerant distribution system provided by the utility model adopts key components such as an intermediate heat exchanger, a refrigerant storage tank and a refrigerant drive pump. The coordinated work of these components enables the refrigerant to circulate efficiently in the system. By exchanging heat between the cold side and the hot side of the intermediate heat exchanger, the server heat absorbed by the end of the heat pipe air conditioner is effectively transferred to the outdoor cold source, thereby achieving continuous heat discharge and stable control of the temperature in the computer room. This efficient heat exchange mechanism significantly improves the heat dissipation performance of the system while also reducing energy consumption.
[0026] (4) The water-cooled refrigerant distribution system provided by the utility model can flexibly adjust the refrigerant flow rate according to the change of the cooling load at the end of the heat pipe air conditioner through the optimization of the refrigerant cycle power and the adjustable design of the refrigerant flow rate, thereby realizing precise control under different heat load conditions. This dynamic adjustment mechanism not only ensures the optimal performance of the system under various operating conditions, but also improves the system's adaptability to load fluctuations, ensuring the stable operation and long-term reliability of the equipment in the computer room.
[0027] (5) The water-cooled refrigerant distribution system provided by the utility model further enhances the reliability and safety of the system by introducing electric regulating valves, parallel installation of refrigerant-driven pumps, and one-way valves. The introduction of the electric regulating valve allows the flow of chilled water to be accurately controlled according to actual needs, while the parallel installation of refrigerant-driven pumps and the setting of one-way valves provide redundancy for the system. Even if a pump fails, the system can still maintain normal operation, thereby greatly reducing the failure rate and maintenance cost of the system. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0029] Figure 1 It is a schematic diagram of the water-cooled refrigerant distribution system of the utility model.
[0030] Figure 2 This is a schematic diagram of the refrigerant and chilled water flow direction of the water-cooled refrigerant distribution system.
[0031] Description of reference numerals:
[0032] Water-cooled refrigerant distribution unit 1, sheet metal shell 1-1, intermediate heat exchanger 1-2, refrigerant storage tank 1-3, refrigerant drive pump I 1-4, refrigerant drive pump II 1-5, electric regulating valve 1-6, one-way valve I 1-7, one-way valve II 1-8, control unit 1-9, heat pipe air conditioner terminal 2, heat pipe back plate air conditioner 2-1, heat pipe row air conditioner 2-2, top-mounted heat pipe air conditioner 2-3, heat pipe cabinet unit 2-4, water inlet pipe 3, gas-phase refrigerant pipeline 5, liquid-phase refrigerant pipeline I 6, liquid-phase refrigerant pipeline II 7, liquid-phase refrigerant pipeline III 8, arrow A is the flow direction of chilled water, and arrow B is the flow direction of refrigerant. DETAILED DESCRIPTION
[0033] In order to better understand the present invention, the content of the present invention is further explained below in conjunction with the embodiments, so that the advantages and features of the present invention can be more easily understood by those skilled in the art. It should be noted that the following is only a preferred embodiment of the present invention, but the content of the present invention is not limited to the following embodiments. In fact, various modifications and changes can be made in the present invention without departing from the scope or spirit of the present invention, which will be obvious to those skilled in the art. For example, a feature shown or described as a part of an embodiment can be used together with another embodiment to produce another embodiment. Therefore, it is intended that the present invention includes such modifications and changes within the scope of the attached claims and their equivalents.
[0034] Figure 1 This is the principle diagram of the water-cooled refrigerant distribution system of the utility model. Figure 1As shown, the water-cooled refrigerant distribution system of the utility model comprises a water-cooled refrigerant distribution unit 1 and a heat pipe air conditioning terminal 2, wherein the water-cooled refrigerant distribution unit 1 comprises a sheet metal shell 1-1, an intermediate heat exchanger 1-2, a refrigerant liquid storage tank 1-3, a refrigerant drive pump I1-4, a refrigerant drive pump II1-5, etc.; the intermediate heat exchanger 1-2, the refrigerant liquid storage tank 1-3, the refrigerant drive pump I1-4, the refrigerant drive pump II1-5, etc. are all installed in the sheet metal shell 1-1; the intermediate heat exchanger 1-2 is divided into a cold side and a hot side, and the cold side inlet thereof introduces chilled water provided by an outdoor cold source through a water inlet pipe 3, and after the chilled water absorbs the heat on the hot side and the temperature rises, the heat is taken out of the machine room through a water outlet pipe 4 connected to the cold side outlet; The hot side inlet introduces refrigerant vapor from the heat pipe air conditioning terminal 2 through the gas-phase refrigerant pipeline 5. After the refrigerant vapor exchanges heat with the chilled water on its cold side at its hot side, its temperature is reduced and it becomes refrigerant liquid. The refrigerant liquid is transported to the refrigerant storage tank 1-3 through the liquid-phase refrigerant pipeline Ⅰ6 connected with the hot side outlet of the intermediate heat exchanger 1-2 and the inlet of the refrigerant storage tank 1-3, and then transported to the refrigerant drive pump Ⅰ1-4 and the refrigerant drive pump Ⅱ1-5 through the liquid-phase refrigerant pipeline Ⅱ7 connected with the outlet of the refrigerant storage tank 1-3 and the inlet of the refrigerant drive pump Ⅰ1-4 and the refrigerant drive pump Ⅱ1-5. The refrigerant liquid driven and transported by the refrigerant drive pump Ⅰ1-4 and the refrigerant drive pump Ⅱ1-5 passes through the refrigerant drive pump Ⅰ1-4 and the refrigerant drive pump Ⅱ1-5. The refrigerant is transported to the heat pipe air conditioner terminal 2 through the liquid-phase refrigerant pipeline III8 connected to the outlet of the refrigerant drive pump I1-4 and the refrigerant drive pump II1-5. The refrigerant liquid absorbs the heat of the server cabinet in the heat pipe air conditioner terminal 2 and continues to evaporate into refrigerant vapor. It enters the intermediate heat exchanger 1-2 through the gas-phase refrigerant pipeline 5 again for heat exchange, thereby discharging the heat from the computer room; the water-cooled refrigerant distribution unit 1 is installed on the ground in the air-conditioning room of the computer room; an electric regulating valve 1-6 is installed on the outlet pipe 4 of the water-cooled refrigerant distribution unit 1 to adjust the water flow to adapt to the load change of the heat pipe air conditioner terminal 2; the refrigerant drive pump I1-4 and the refrigerant drive pump II1-5 in the water-cooled refrigerant distribution unit 1 are installed in parallel, and one can be used as a backup; and the system On the liquid phase refrigerant pipeline III8 connected to the outlets of the refrigerant driven pump I1-4 and the refrigerant driven pump II1-5, a one-way valve I1-7 and a one-way valve II1-8 are respectively installed near the outlets of the refrigerant driven pump I1-4 and the refrigerant driven pump II1-5 to prevent cavitation of the refrigerant driven pump I1-4 and the refrigerant driven pump II1-5; the water-cooled refrigerant distribution unit 1 further includes a control unit 1-9, multiple temperature sensors, multiple pressure sensors, a water leakage detection rope, a liquid level sensor, etc., which are used to control and ensure the normal working state of the electric regulating valve 1-6, the refrigerant driven pump I1-4, the refrigerant driven pump II1-5, and the refrigerant liquid storage tank 1-3 to meet the cooling load demand of the heat pipe air conditioning terminal 2;The heat pipe air conditioner terminal 2 is in various terminal forms, and can be a heat pipe back plate air conditioner 2-1, a heat pipe row air conditioner 2-2, a top heat pipe air conditioner 2-3, a heat pipe cabinet unit 2-4, etc.;
[0035] Figure 2 This is a schematic diagram of the flow direction of the refrigerant and chilled water in the water-cooled refrigerant distribution system of the utility model. Figure 2 As shown, the cold side inlet of the intermediate heat exchanger 1-2 introduces chilled water provided by the outdoor cold source through the water inlet pipe 3. After the chilled water absorbs the heat on the hot side and the temperature rises, it takes the heat out of the machine room through the water outlet pipe 4 connected to the cold side outlet and the electric regulating valve 1-6 thereon. The flow direction of the chilled water is shown by the arrow A in the figure; the hot side inlet of the intermediate heat exchanger 1-2 introduces the refrigerant vapor from the heat pipe air conditioner terminal 2 through the gas-phase refrigerant pipeline 5. After the refrigerant vapor exchanges heat with the chilled water on its cold side on its hot side, its temperature decreases and becomes a refrigerant liquid. The refrigerant liquid is transported to the refrigerant storage tank 1 through the liquid-phase refrigerant pipeline Ⅰ6. -3, and then transported to the refrigerant driving pump Ⅰ1-4 or the refrigerant driving pump Ⅱ1-5 through the liquid-phase refrigerant pipeline Ⅱ7. The refrigerant liquid driven and transported by the refrigerant driving pump Ⅰ1-4 or the refrigerant driving pump Ⅱ1-5 is transported to the heat pipe air conditioner terminal 2 through the liquid-phase refrigerant pipeline Ⅲ8 and the one-way valve Ⅰ1-7 or the one-way valve Ⅱ1-8 thereon. The refrigerant liquid absorbs the heat of the server cabinet in the heat pipe air conditioner terminal 2 and continues to evaporate into refrigerant vapor, and enters the intermediate heat exchanger 1-2 again through the gas-phase refrigerant pipeline 5 for heat exchange, thereby discharging the heat from the computer room. The refrigerant flow direction is shown by the arrow B in the figure.
[0036] In the preferred example of the utility model, the refrigerant driven pump Ⅰ1-4 and the refrigerant driven pump Ⅱ1-5 are both connected to the control unit 1-9 for communication and both use variable frequency speed regulating pumps. According to the real-time cooling load and refrigerant flow demand of the heat pipe air conditioning terminal 2, the operating speed of the pump is automatically adjusted under the instruction of the control unit 1-9 to achieve energy saving and meet the dynamic changes of the system.
[0037] In a preferred example of the utility model, the electric regulating valve 1-6 in the water-cooled refrigerant distribution unit 1 is communicated with the control unit 1-9, and the opening of the electric regulating valve 1-6 is dynamically adjusted according to the cooling load and temperature feedback of the heat pipe air-conditioning terminal 2, thereby realizing precise control of the chilled water flow rate.
[0038] In a preferred example of the utility model, a temperature sensor is provided at the cold side outlet of the intermediate heat exchanger 1-2 for real-time monitoring of the cold side outlet water temperature to ensure that the temperature of the chilled water is within a preset range. The temperature data collected by the temperature sensor is fed back to the control unit 1-9. The control unit 1-9 automatically adjusts the opening of the electric regulating valve 1-6 and the operating status of each refrigerant drive pump according to the temperature data to maintain the optimal operating state of the system.
[0039] In a preferred embodiment of the utility model, a water-cooled refrigerant distribution unit 1 is provided with a water leakage detection rope located at the bottom of the sheet metal shell 1-1 and an alarm device connected thereto. When a leak occurs inside the system, the water leakage detection rope can detect the abnormal situation in time and issue a warning through the alarm device so that timely measures can be taken to avoid possible equipment damage or safety accidents. This water leakage detection system can improve the safety performance of the system and protect the equipment from water damage. In addition, the refrigerant storage tank 1-3 is equipped with a liquid level sensor for real-time monitoring of the refrigerant storage level to ensure that the supply of refrigerant is within a safe and effective range. The data of the liquid level sensor is fed back to the control unit 1-9 in real time. The control unit 1-9 adjusts the refrigerant replenishment or discharge according to the liquid level information, thereby ensuring the stable operation and refrigeration efficiency of the system. In addition, by accurately controlling the refrigerant liquid level, refrigerant leakage and waste can be effectively prevented, ensuring the environmental friendliness and economy of the system.
[0040] Through the above embodiments, the purpose of the utility model is fully and effectively achieved. Any equivalent or simple changes made according to the structure, features and principles described in the utility model patent are included in the protection scope of the utility model patent. The technical personnel of the technical field to which the utility model belongs can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should all fall within the protection scope of the utility model.
Claims
1. A water-cooled refrigerant distribution system, comprising a water-cooled refrigerant distribution unit and a heat pipe air conditioning terminal, characterized in that: The water-cooled refrigerant distribution unit includes a sheet metal shell and an intermediate heat exchanger, a refrigerant storage tank, and a refrigerant drive pump arranged in the sheet metal shell, wherein the intermediate heat exchanger is divided into a cold side and a hot side, wherein the cold side inlet is connected to an outdoor cold source through an inlet pipe, and the cold side outlet is connected to a water outlet pipe leading to the outside of the machine room, and the hot side inlet is connected to the gas-phase refrigerant outlet at the end of the heat pipe air conditioner through a gas-phase refrigerant pipeline, and the hot side outlet is connected to the liquid-phase refrigerant inlet at the end of the heat pipe air conditioner through a liquid-phase refrigerant pipeline via the refrigerant storage tank and the refrigerant drive pump.
2. The water-cooled refrigerant distribution system according to claim 1, characterized in that: The water-cooled refrigerant distribution unit is installed on the ground in the air-conditioning room of the computer room.
3. The water-cooled refrigerant distribution system according to claim 1, characterized in that: An electric regulating valve is installed on the water outlet pipe in the water-cooled refrigerant distribution unit to adjust the water flow rate to adapt to the load changes at the end of the heat pipe air conditioner.
4. The water-cooled refrigerant distribution system according to claim 3, characterized in that: The refrigerant driving pump in the water-cooled refrigerant distribution unit includes a refrigerant driving pump I and a refrigerant driving pump II, the refrigerant driving pump I and the refrigerant driving pump II are installed in parallel, and the two are set up as one for backup and the other for use; On the liquid phase refrigerant pipeline connected with the outlets of the refrigerant driven pump I and the refrigerant driven pump II, a one-way valve I and a one-way valve II are respectively installed near the outlets of the refrigerant driven pump I and the refrigerant driven pump II.
5. The water-cooled refrigerant distribution system according to claim 4, characterized in that: The water-cooled refrigerant distribution unit further includes a control unit and multiple temperature sensors, multiple pressure sensors, water leakage detection ropes and / or liquid level sensors that are communicatively connected to the control unit, which are used to control and ensure the normal working state of the electric regulating valve, refrigerant drive pump I, refrigerant drive pump II, and refrigerant storage tank to meet the cooling load demand of the heat pipe air conditioner terminal.
6. The water-cooled refrigerant distribution system according to claim 5, characterized in that: The refrigerant driven pump I and the refrigerant driven pump II are both connected to the control unit for communication and both use variable frequency speed regulating pumps, which automatically adjust the running speed of the pumps under the instruction of the control unit according to the real-time cooling load and refrigerant flow demand of the heat pipe air conditioner terminal.
7. The water-cooled refrigerant distribution system according to claim 6, characterized in that: The electric regulating valve in the water-cooled refrigerant distribution unit is communicatively connected with the control unit, and the opening of the electric regulating valve is dynamically adjusted according to the cooling load and temperature feedback at the end of the heat pipe air conditioner.
8. The water-cooled refrigerant distribution system according to claim 7, characterized in that: The cold side outlet of the intermediate heat exchanger is provided with a temperature sensor for real-time monitoring of the cold side outlet water temperature. The temperature data collected by the temperature sensor is fed back to the control unit, and the control unit automatically adjusts the opening of the electric regulating valve and the operating status of each refrigerant drive pump according to the temperature data.
9. The water-cooled refrigerant distribution system according to claim 5, characterized in that: The water-cooled refrigerant distribution unit is provided with a water leakage detection rope located at the bottom of the sheet metal shell and an alarm device connected thereto. When a leakage occurs inside the system, the water leakage detection rope can promptly detect the abnormal situation and issue a warning through the alarm device; the refrigerant storage tank is equipped with a liquid level sensor for real-time monitoring of the refrigerant storage level. The data of the liquid level sensor is fed back to the control unit in real time, and the control unit adjusts the replenishment or discharge of the refrigerant according to the liquid level information.
10. The water-cooled refrigerant distribution system according to claim 1, characterized in that: The heat pipe air conditioner terminal is in various terminal forms, including a heat pipe back plate air conditioner, a heat pipe row air conditioner, a top-mounted heat pipe air conditioner and / or a heat pipe cabinet unit.