Machine room air conditioning system

Abstract

The utility model provides a machine room air conditioning system and belongs to the technical field of machine room air conditioners. The machine room air conditioning system comprises a first compressor, a condenser, a first expansion valve, a fluorine pump, an evaporator and an energy storage module. An outlet of the first compressor is connected with an inlet of the condenser, an outlet of the condenser is connected with an inlet of the first expansion valve and an inlet of the fluorine pump, an outlet of the first expansion valve and an outlet of the fluorine pump are connected with an inlet of the evaporator, and an inlet of the evaporator is connected with an inlet of the first compressor. A bypass branch is further connected between the inlet and the outlet of the first compressor; a refrigerating circulation loop defined by the first compressor, the condenser, the first expansion valve, the fluorine pump, the evaporator and the bypass branch is filled with a refrigerating medium; the energy storage module can exchange heat with the refrigerating medium. The machine room air conditioning system is provided with the energy storage module, the compressor does not need to be in a standby power state all the time, and the energy consumption cost of the machine room air conditioning system can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of computer room air conditioners, and particularly relates to a computer room air conditioner system. Background Art

[0002] The fluorine pump refrigeration is a refrigeration method using natural cold evolved on the basis of traditional compressor refrigeration. The fluorine pump utilizes a lower outdoor temperature (lower than the superheat of the evaporator), so that the fluorine vapor does not pass through the compressor to increase the temperature, but is directly injected into the condenser and directly cooled into a liquid fluorine, and the fluorine pump re-injects the liquid fluorine into the evaporator for refrigeration heat exchange.

[0003] In the related art, the provided fluorine pump unit needs to use an uninterruptible power supply (UPS) or a high-voltage DC power supply as a backup power supply, and switches back to the compressor unit for operation in case of power failure to ensure the normal cooling of the computer room. Therefore, the compressor unit needs to be in a standby power state all the time, increasing the energy consumption cost of the computer room air conditioner system. Summary of the Utility Model

[0004] The utility model provides a computer room air conditioner system, which can solve the problem that the compressor unit needs to be in a standby power state all the time.

[0005] The technical solution is as follows:

[0006] A computer room air conditioner system, which includes: a first compressor, a condenser, a first expansion valve, a fluorine pump, an evaporator and an energy storage module;

[0007] The outlet of the first compressor is connected to the inlet of the condenser, the outlet of the condenser is respectively connected to the inlet of the first expansion valve and the inlet of the fluorine pump, the outlets of the first expansion valve and the fluorine pump are respectively connected to the inlet of the evaporator, and the inlet of the evaporator is connected to the inlet of the first compressor;

[0008] A bypass branch is further connected between the inlet and the outlet of the first compressor;

[0009] A refrigeration medium is filled in the refrigeration cycle loop formed by the first compressor, the condenser, the first expansion valve, the fluorine pump, the evaporator and the bypass branch;

[0010] The energy storage module is connected to at least one of the inlet of the condenser, the outlet of the condenser, the inlet of the evaporator and the outlet of the evaporator, and the energy storage module can exchange heat with the refrigeration medium at at least one of the inlet of the condenser, the outlet of the condenser, the inlet of the evaporator and the outlet of the evaporator.

[0011] The beneficial effects brought by the technical solution provided by the present utility model at least include:

[0012] In the computer room air conditioning system of the present utility model, there is an energy storage module. The energy storage module can be connected to the outlet or inlet of the condenser or evaporator, and exchange heat with the refrigerant medium at the outlet or inlet of the condenser or evaporator. When the refrigerant medium has sufficient cold quantity, the energy storage module can absorb the cold quantity for temporary storage. When the cold quantity of the refrigerant medium is insufficient, the energy storage module can transport the stored cold quantity back to the refrigerant medium, so as to maintain the cold quantity of the refrigerant medium in case of power failure of the fluorine pump or insufficient cooling provided by the fluorine pump due to the increase of the external environmental temperature, ensure the normal cooling of the computer room, and there is no need to keep the compressor in a standby power state all the time, which is beneficial to reducing the energy consumption cost of the computer room air conditioning system. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0014] Figure 1 is a schematic structural diagram of the computer room air conditioning system provided by an embodiment of the present utility model;

[0015] Figure 2 is a schematic structural diagram of the computer room air conditioning system provided by another embodiment of the present utility model;

[0016] Figure 3 is a schematic structural diagram of the computer room air conditioning system provided by another embodiment of the present utility model;

[0017] Figure 4 is a schematic structural diagram of the computer room air conditioning system provided by another embodiment of the present utility model;

[0018] Figure 5 is a schematic structural diagram of the computer room air conditioning system provided by another embodiment of the present utility model;

[0019] Figure 6 is a schematic structural diagram of the computer room air conditioning system provided by another embodiment of the present utility model;

[0020] Figure 7 is a schematic structural diagram of the computer room air conditioning system provided by another embodiment of the present utility model.

[0021] The reference numerals in the drawings are respectively represented as:

[0022] 1. First compressor;

[0023] 101. Bypass branch

[0024] 2. Condenser

[0025] 3. First expansion valve

[0026] 4. Refrigerant pump

[0027] 5. Evaporator

[0028] 6. Energy storage module; 601. First energy storage module; 602. Second energy storage module

[0029] 61. First heat exchanger; 611. First heat exchange channel; 612. Second heat exchange channel; 62. Driving pump; 63. Liquid storage tank

[0030] 7. First control valve

[0031] 8. Second control valve

[0032] 9. Third control valve

[0033] 10. Fourth control valve

[0034] 11. Heat pump module

[0035] 111. Second compressor; 112. Second heat exchanger; 1121. Third heat exchange channel; 1122. Fourth heat exchange channel; 113. Third heat exchanger; 1131. Fifth heat exchange channel; 1132. Sixth heat exchange channel; 114. Second expansion valve Detailed implementation mode

[0036] Here, the exemplary embodiments will be described in detail, and the examples are shown in the drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. On the contrary, they are merely examples of devices and methods consistent with some aspects of the present invention as detailed in the appended claims.

[0037] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the attached Figure 1The orientation or positional relationship shown is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0038] Unless otherwise defined, all technical terms used in the embodiments of the present utility model have the same meaning as commonly understood by those of ordinary skill in the art.

[0039] To make the objectives, technical solutions and advantages of the present utility model clearer, the embodiments of the present utility model will be further described in detail below in conjunction with the accompanying drawings.

[0040] Combined with Figure 1 As shown, this embodiment provides a computer room air conditioning system, which includes: a first compressor 1, a condenser 2, a first expansion valve 3, a fluorine pump 4, an evaporator 5, and an energy storage module 6.

[0041] The outlet of the first compressor 1 is connected to the inlet of the condenser 2, the outlet of the condenser 2 is respectively connected to the inlet of the first expansion valve 3 and the inlet of the fluorine pump 4, the outlets of the first expansion valve 3 and the fluorine pump 4 are respectively connected to the inlet of the evaporator 5, and the inlet of the evaporator 5 is connected to the inlet of the first compressor 1.

[0042] A bypass branch 101 is also connected between the inlet and the outlet of the first compressor 1.

[0043] A refrigeration medium is filled in the refrigeration cycle loop formed by the first compressor 1, the condenser 2, the first expansion valve 3, the fluorine pump 4, the evaporator 5, and the bypass branch 101.

[0044] The energy storage module 6 is connected to at least one of the inlet of the condenser 2, the outlet of the condenser 2, the inlet of the evaporator 5, and the outlet of the evaporator 5, and the energy storage module 6 can exchange heat with the refrigeration medium at at least one of the inlet of the condenser 2, the outlet of the condenser 2, the inlet of the evaporator 5, and the outlet of the evaporator 5.

[0045] In the computer room air conditioning system of this embodiment, there is an energy storage module 6. The energy storage module 6 can be connected to the outlet or inlet of the condenser 2 or the evaporator 5, and exchange heat with the refrigeration medium at the outlet or inlet of the condenser 2 or the evaporator 5. When the cold quantity of the refrigeration medium is sufficient, the energy storage module 6 can absorb the cold quantity for temporary storage. When the cold quantity of the refrigeration medium is insufficient, the energy storage module 6 can transport the stored cold quantity back to the refrigeration medium, so as to maintain the cold quantity of the refrigeration medium in the case of power failure of the fluorine pump 4 or insufficient cooling provided by the fluorine pump 4 due to the increase of the external environmental temperature, ensure the normal cooling of the computer room, and there is no need to keep the first compressor 1 in a standby power state all the time, which is beneficial to reducing the energy consumption cost of the computer room air conditioning system.

[0046] In addition, by using the energy storage module 6 of this embodiment, the heat generated during the operation of the computer room air conditioning system is also recovered and stored in the energy storage module 6. This part of the heat can be used for equipment anti-freezing or domestic hot water, thereby further reducing the energy consumption of the computer room air conditioning.

[0047] In some possible implementation manners, the energy storage module 6 is connected to at least one of the inlet of the condenser 2, the outlet of the condenser 2, the inlet of the evaporator 5, and the outlet of the evaporator 5. The energy storage module 6 may be connected to only one of the above positions, or may be respectively connected to multiple of the above positions. Exemplarily, when the energy storage module 6 is connected to one of the above positions, the energy storage module 6 can be directly in contact with the pipeline through which the refrigerant flows, and exchange heat with the refrigerant inside through the pipe wall. Another exemplarily, when the energy storage module 6 is respectively connected to multiple of the above positions, the energy storage module 6 can lead out the refrigerant in the refrigeration cycle loop by using a pipeline, exchange heat in the energy storage module 6, and then send the refrigerant after heat exchange back to the refrigeration cycle loop.

[0048] In some possible implementation manners, the computer room air conditioning system of this embodiment has a compressor mode, a fluorine pump natural cooling mode, and a hybrid mode. Among them, the compressor mode is applied when the external temperature is relatively high (such as in summer) and the computer room air conditioning system cannot utilize the external natural cold source. In this mode, the refrigeration efficiency is relatively high, but the power consumption is relatively large. The fluorine pump natural cooling mode is applied when the external temperature is relatively low (such as in winter), and the computer room air conditioning system can utilize the external natural cold source for cooling to reduce power consumption. The hybrid mode is applied when the external temperature is moderate (such as in summer and autumn), and the computer room air conditioning system can obtain a part of the cooling capacity by using the external natural cold source, but the cooling capacity is insufficient and needs to be supplemented by the first compressor 1.

[0049] Exemplarily, in the compressor mode, the compressor is started, the fluorine pump 4 is stopped, and the bypass branch 101 is disconnected. The refrigerant circulates along the path of the first compressor 1, the condenser 2, the first expansion valve 3, the evaporator 5, and the first compressor 1, and absorbs the heat in the computer room when flowing through the evaporator 5, and dissipates the heat to the outside when flowing through the condenser 2.

[0050] In the fluorine pump natural cooling mode, the fluorine pump 4 is started, the first compressor 1 is stopped, and the bypass branch 101 is opened. The refrigerant circulates along the path of the fluorine pump 4, the evaporator 5, the bypass branch 101, the condenser 2, and the fluorine pump 4, and absorbs the heat in the computer room when flowing through the evaporator 5, and dissipates the heat to the outside when flowing through the condenser 2.

[0051] In some possible implementation manners, the evaporator 5 is located inside the machine room and is used to absorb the heat in the air inside the machine room to cool the temperature of the machine room. The condenser 2 is located outside the machine room and exchanges heat with the external atmosphere to dissipate the heat outward. Therefore, the temperature of the refrigerant medium at the inlet and outlet of the evaporator 5 is relatively low, and the temperature of the refrigerant medium at the inlet and outlet of the condenser 2 is relatively high.

[0052] When the energy storage module 6 is connected to at least one of the inlet and the outlet of the evaporator 5, the energy storage module 6 is used for cold storage; in addition to serving as emergency supplementary cooling, the energy storage module 6 can also start refrigeration by using the first compressor 1 at off-peak electricity prices, store the cold energy in the energy storage module 6, and then convey the cold energy in the energy storage module 6 back to the refrigeration cycle loop at peak electricity prices.

[0053] When the energy storage module 6 is connected to at least one of the inlet and the outlet of the condenser 2, the energy storage module 6 is used for heat recovery. When the energy storage module 6 is connected to the inlet or outlet of the evaporator 5 and at the same time is connected to the inlet or outlet of the condenser 2, the energy storage module 6 can be used for both cold storage and heat recovery.

[0054] Combined Figure 2 As shown, in some embodiments, the energy storage module 6 includes a first heat exchanger 61, a driving pump 62, and a liquid storage tank 63.

[0055] The first heat exchanger 61 includes a first heat exchange channel 611 and a second heat exchange channel 612; the inlets of the first heat exchange channel 611 are respectively connected to the inlet of the condenser 2 and the inlet of the evaporator 5, and the outlets of the first heat exchange channel 611 are respectively connected to the outlet of the condenser 2 and the outlet of the evaporator 5; the outlet of the second heat exchange channel 612 is connected to the inlet of the liquid storage tank 63, the outlet of the liquid storage tank 63 is connected to the inlet of the driving pump 62, and the outlet of the driving pump 62 is connected to the inlet of the second heat exchange channel 612. An energy storage medium is filled in the energy storage cycle loop formed by the second heat exchange channel 612, the liquid storage tank 63, and the driving pump 62; the refrigerant medium flowing through the first heat exchange channel 611 exchanges heat with the energy storage medium flowing through the second heat exchange channel 612.

[0056] With the above arrangement, in the first heat exchanger 61 of the energy storage module 6, the inlets of the first heat exchange channels 611 can be respectively connected to the inlet of the condenser 2 and the inlet of the evaporator 5. The refrigerant flowing out of the outlet of the first compressor 1 can flow into the inlet of the condenser 2 and the first heat exchange channels 611 respectively. The refrigerant flowing out of the outlet of the first expansion valve 3 or the fluorine pump 4 can also flow into the inlet of the evaporator 5 and the first heat exchange channels 611 respectively. The energy storage medium in the energy storage module 6 can flow through the first heat exchanger 61 through the second heat exchange channels 612. In the first heat exchanger 61, the energy storage medium in the second heat exchange channels 612 exchanges heat with the refrigerant in the first heat exchange channels 611. When the energy storage medium absorbs the heat in the refrigerant, the energy storage module 6 performs heat recovery. When the energy storage medium releases heat to the refrigerant, the energy storage module 6 performs cold storage.

[0057] In addition, the outlets of the first heat exchange channels 611 are respectively connected to the outlet of the condenser 2 and the outlet of the evaporator 5. After heat exchange in the first heat exchanger 61, the refrigerant can smoothly return to the refrigeration cycle loop and continue to participate in the refrigeration cycle.

[0058] In some possible implementation manners, the cold storage medium is tap water, and the driving pump 62 is a water pump.

[0059] Combined Figure 2 As shown, in some embodiments, a first control valve 7 is provided between the inlet of the first heat exchange channel 611 and the inlet of the condenser 2, and a second control valve 8 is provided between the outlet of the first heat exchange channel 611 and the outlet of the condenser 2.

[0060] A third control valve 9 is provided between the inlet of the first heat exchange channel 611 and the inlet of the evaporator 5, and a fourth control valve 10 is provided between the outlet of the first heat exchange channel 611 and the outlet of the evaporator 5.

[0061] With the above arrangement, the inlet of the first heat exchange channel 611 can be selectively connected to the inlet of the condenser 2 or the inlet of the evaporator 5 by using the first control valve 7 and the third control valve 9. The inlet of the first heat exchange channel 611 can be selectively connected to the outlet of the condenser 2 or the outlet of the evaporator 5 by using the second control valve 8 and the fourth control valve 10, realizing the switching of the energy storage module 6 between the cold storage mode and the heat recovery mode.

[0062] In some possible implementation manners, the computer room air conditioning system of this embodiment has a cold storage mode, a cold release mode, and a heat recovery mode. In the heat recovery mode, the first control valve 7 and the second control valve 8 are switched to the open state, the third control valve 9 and the fourth control valve 10 are switched to the closed state, and the refrigerant at a higher temperature at the inlet of the condenser 2 flows through the first heat exchanger 61, and the energy storage medium in the energy storage module 6 absorbs heat, and the temperature of the energy storage medium rises, realizing heat recovery.

[0063] In the cold storage mode, the first control valve 7 and the second control valve 8 are switched to the closed state, and the third control valve 9 and the fourth control valve 10 are switched to the open state. The refrigerant with a lower temperature at the inlet of the evaporator 5 flows through the first heat exchanger 61, and the energy storage medium in the energy storage module 6 releases heat, and the temperature of the energy storage medium decreases, realizing the storage of cold energy.

[0064] In the cold release mode, the first control valve 7 and the fourth control valve 10 are switched to the closed state, and the second control valve 8 and the third control valve 9 are switched to the open state. After the refrigerant is initially cooled and its temperature is reduced by passing through the condenser 2, the refrigerant flowing out from the outlet of the condenser 2 flows into the first heat exchange channel 611 through the outlet of the first heat exchange channel 611, and exchanges heat with the low-temperature energy storage medium in the first heat exchange channel 611. The refrigerant is cooled again, and then the refrigerant enters the evaporator 5 through the inlet of the evaporator 5, and the air in the computer room is cooled.

[0065] Combined with Figure 3 and Figure 5 As shown, in some embodiments, the energy storage module 6 includes a first heat exchanger 61, a driving pump 62, and a liquid storage tank 63. The first heat exchanger 61 includes a first heat exchange channel 611 and a second heat exchange channel 612; the first heat exchange channel 611 is connected between the outlet of the first compressor 1 and the inlet of the condenser 2.

[0066] The outlet of the second heat exchange channel 612 is connected to the inlet of the liquid storage tank 63, the outlet of the liquid storage tank 63 is connected to the inlet of the driving pump 62, and the outlet of the driving pump 62 is connected to the inlet of the second heat exchange channel 612. An energy storage cycle loop formed by the second heat exchange channel 612, the liquid storage tank 63, and the driving pump 62 is filled with an energy storage medium. The refrigerant flowing through the first heat exchange channel 611 exchanges heat with the energy storage medium flowing through the second heat exchange channel 612.

[0067] Through the above arrangement, the first heat exchanger 61 in the energy storage module 6 can use the refrigerant with a higher temperature flowing out from the outlet of the first compressor 1 to heat the energy storage medium, realizing the heat recovery of the computer room air conditioning system and reducing the energy consumption level of the air conditioning computer room system.

[0068] Combined with Figure 4 and Figure 5 As shown, in some embodiments, the energy storage module 6 includes a first heat exchanger 61, a driving pump 62, and a liquid storage tank 63. The first heat exchanger 61 includes a first heat exchange channel 611 and a second heat exchange channel 612.

[0069] The inlets of the first heat exchange channel 611 are respectively connected to the outlet of the first expansion valve 3 and the outlet of the fluorine pump 4, and the outlet of the first heat exchange channel 611 is connected to the inlet of the evaporator 5; the outlet of the second heat exchange channel 612 is connected to the inlet of the liquid storage tank 63, the outlet of the liquid storage tank 63 is connected to the inlet of the driving pump 62, the outlet of the driving pump 62 is connected to the inlet of the second heat exchange channel 612, and a heat storage medium is filled in the energy storage circulation loop formed by the second heat exchange channel 612, the liquid storage tank 63 and the driving pump 62; the refrigeration medium flowing through the first heat exchange channel 611 exchanges heat with the heat storage medium flowing through the second heat exchange channel 612.

[0070] Through the above arrangement, the first heat exchanger 61 in the energy storage module 6 can use the relatively low-temperature refrigeration medium flowing out of the outlet of the first expansion valve 3 and the outlet of the fluorine pump 4 to absorb the heat in the heat storage medium, so that the temperature of the heat storage medium is reduced, realizing the cold storage of the computer room air conditioning system, and when the cooling provided by the fluorine pump 4 is insufficient, using the low-temperature cold storage medium to reduce the temperature of the refrigeration medium to supplement the cooling of the refrigeration circulation loop.

[0071] Combined with Figure 6 and Figure 7 As shown in the figure, in some embodiments, the computer room air conditioning system further includes a heat pump module 11. The heat pump module 11 is connected to the energy storage module 6, and the heat pump module 11 is used to heat or cool the heat storage medium in the energy storage circulation loop.

[0072] Through the above arrangement, the energy storage module 6 is connected to the heat pump module 11, and the heat pump module 11 can be used to heat or cool the heat storage medium in the energy storage module 6, thereby improving the working effect of the cold storage medium in the energy storage module 6.

[0073] Combined with Figure 6 and Figure 7 As shown in the figure, in some embodiments, the heat pump module 11 includes a second compressor 111, a second heat exchanger 112, a third heat exchanger 113 and a second expansion valve 114. The second heat exchanger 112 includes a third heat exchange channel 1121 and a fourth heat exchange channel 1122.

[0074] The second compressor 111, the third heat exchange channel 1121, the second expansion valve 114 and the third heat exchanger 113 are sequentially connected in a cycle to form a heat pump circulation loop, and a heat pump medium is filled in the heat pump circulation loop; the fourth heat exchange channel 1122 is connected in series in the energy storage circulation loop; the heat pump medium flowing through the third heat exchange channel 1121 exchanges heat with the heat storage medium flowing through the fourth heat exchange channel 1122.

[0075] With the above arrangement, the second compressor 111, the second heat exchanger 112, the third heat exchanger 113 and the second expansion valve 114 in the heat pump module 11 form a complete compression refrigeration unit, and the heat pump medium can flow forward or backward in the heat pump circulation loop. When the heat pump medium circulates in the direction of the second compressor 111, the third heat exchanger 113, the second expansion valve 114, the second heat exchanger 112 and the second compressor 111, the heat pump medium evaporates and absorbs heat in the second heat exchanger 112 and condenses and releases heat in the third heat exchanger 113, so that the heat pump medium can cool down the energy storage medium. When the heat pump medium circulates in the direction of the second compressor 111, the second heat exchanger 112, the second expansion valve 114, the third heat exchanger 113 and the second compressor 111, the heat pump medium condenses and releases heat in the second heat exchanger 112 and evaporates and absorbs heat in the third heat exchanger 113, so that the heat pump medium can heat up the energy storage medium.

[0076] Exemplarily, in the heat recovery mode, the temperature of the energy storage medium in the liquid storage tank 63 is 15°C. The energy storage medium flows into the first heat exchanger 61 driven by the driving pump 62, exchanges heat with the refrigeration medium, and the temperature rises to 25°C. Then the energy storage medium flows into the second heat exchanger 112, exchanges heat with the heat pump medium, and the temperature can further rise to 45°C. Then the high-temperature energy storage medium flows back into the liquid storage tank 63. This part of the high-temperature energy storage medium can also be led out to prevent equipment from freezing or for domestic hot water.

[0077] Another exemplarily, in the cold storage mode, the temperature of the energy storage medium in the liquid storage tank 63 is 25°C. The energy storage medium flows into the first heat exchanger 61 driven by the driving pump 62, exchanges heat with the refrigeration medium, and the temperature drops to 15°C. Then the energy storage medium flows into the second heat exchanger 112, exchanges heat with the heat pump medium, and the temperature can further drop to 7°C. Then the low-temperature energy storage medium flows back into the liquid storage tank 63.

[0078] Combined with Figure 6 and Figure 7 As shown, in some embodiments, the fourth heat exchange channel 1122 is arranged in series between the outlet of the second heat exchange channel 612 and the inlet of the liquid storage tank 63. Thus, the heat pump medium flowing through the second heat exchanger 112 can cool or heat the energy storage medium.

[0079] Combined with Figure 5 and Figure 7 As shown, in some embodiments, the number of the energy storage modules 6 is two, namely the first energy storage module 601 and the second energy storage module 602.

[0080] The first heat exchange channel 611 in the first energy storage module 601 is connected between the outlet of the first compressor 1 and the inlet of the condenser 2. The first heat exchange channel 611 in the second energy storage module 602 is respectively connected to the outlet of the first expansion valve 3 and the outlet of the fluorine pump 4. The outlet of the first heat exchange channel 611 is connected to the inlet of the evaporator 5.

[0081] For the computer room air conditioning system of this embodiment, the first energy storage module 601 can be used to recover heat in the computer room air conditioning system, and the second energy storage module 602 can be used to store cold in the computer room air conditioning system.

[0082] Combined Figure 7 As shown, in some embodiments, the third heat exchanger 113 includes a fifth heat exchange channel 1131 and a sixth heat exchange channel 1132.

[0083] The second compressor 111, the third heat exchange channel 1121, the second expansion valve 114 and the fifth heat exchange channel 1131 are sequentially and circularly connected to form a heat pump cycle loop. The fourth heat exchange channel 1122 is connected in series in the energy storage cycle loop corresponding to the first energy storage module 601, and the sixth heat exchange channel 1132 is connected in series in the energy storage cycle loop corresponding to the second energy storage module 602.

[0084] Through the above arrangement, the first energy storage module 601 and the second energy storage module 602 can be respectively connected to the heat pump module 11. When the second energy storage module 602 operates in the cold storage mode and the first energy storage module 601 operates in the heat recovery mode, the heat pump module 11 can use the third heat exchanger 113 to absorb heat by evaporation. At this time, the second heat exchanger 112 needs to release heat by condensation, which can just heat the energy storage medium in the first energy storage module 601, further improving the heat recovery efficiency.

[0085] The computer room air conditioning system provided by this application is applicable to the computer room of the data center.

[0086] The data center computer room includes at least one server. The server can be a device in the field of cloud computing or a device in the field of AI (Artificial Intelligence). Among them, cloud computing is a computing model that distributes computing tasks on a resource pool composed of a large number of computers, enabling various application systems to obtain computing power, storage space, and information services as needed. The network that provides resources is called the "cloud". The resources in the "cloud" seem to be infinitely expandable to users, and can be obtained at any time, used on demand, expanded at any time, and paid according to usage. As a basic capability provider of cloud computing, a cloud computing resource pool (abbreviated as a cloud platform, generally called an IaaS (Infrastructure as a Service) platform) will be established, and various types of virtual resources will be deployed in the resource pool for external customers to choose and use. The cloud computing resource pool mainly includes: computing devices (virtual machines, including operating systems), storage devices, and network devices.

[0087] The above-mentioned server can be an independent physical server, a server cluster or a distributed system composed of multiple physical servers, or a cloud server that provides basic cloud computing services such as cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communications, middleware services, domain name services, security services, CDN (Content Delivery Network), and big data and artificial intelligence platforms. The terminal can be a smart phone, a tablet computer, a notebook computer, a desktop computer, a smart speaker, a smart watch, etc., but is not limited thereto. The terminal and the server can be directly or indirectly connected through wired or wireless communication methods, and the present disclosure does not limit this.

[0088] In the description of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0089] The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise clearly specifically defined.

[0090] In the description of this specification, the description with reference to the terms "certain embodiments", "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiments or examples are included in at least one embodiment or example of the present application.

[0091] The above are only examples of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the principles of the present application shall be included within the protection scope of the present application.

Claims

1. A computer room air conditioning system, characterized in that, The computer room air conditioning system includes: a first compressor (1), a condenser (2), a first expansion valve (3), a fluorine pump (4), an evaporator (5), and an energy storage module (6); The outlet of the first compressor (1) is connected to the inlet of the condenser (2), the outlet of the condenser (2) is respectively connected to the inlet of the first expansion valve (3) and the inlet of the fluorine pump (4), the outlets of the first expansion valve (3) and the fluorine pump (4) are respectively connected to the inlet of the evaporator (5), and the inlet of the evaporator (5) is connected to the inlet of the first compressor (1); A bypass branch (101) is also connected between the inlet and the outlet of the first compressor (1); A refrigeration medium is filled in the refrigeration cycle loop formed by the first compressor (1), the condenser (2), the first expansion valve (3), the fluorine pump (4), the evaporator (5), and the bypass branch (101); The energy storage module (6) is connected to at least one of the inlet of the condenser (2), the outlet of the condenser (2), the inlet of the evaporator (5), and the outlet of the evaporator (5), and the energy storage module (6) can exchange heat with the refrigeration medium at at least one of the inlet of the condenser (2), the outlet of the condenser (2), the inlet of the evaporator (5), and the outlet of the evaporator (5).

2. The computer room air conditioning system according to claim 1, wherein The energy storage module (6) includes a first heat exchanger (61), a driving pump (62), and a liquid storage tank (63); The first heat exchanger (61) includes a first heat exchange channel (611) and a second heat exchange channel (612); The inlet of the first heat exchange channel (611) is respectively connected to the inlet of the condenser (2) and the inlet of the evaporator (5), and the outlet of the first heat exchange channel (611) is respectively connected to the outlet of the condenser (2) and the outlet of the evaporator (5); The outlet of the second heat exchange channel (612) is connected to the inlet of the liquid storage tank (63), the outlet of the liquid storage tank (63) is connected to the inlet of the driving pump (62), the outlet of the driving pump (62) is connected to the inlet of the second heat exchange channel (612), and an energy storage medium is filled in the energy storage cycle loop formed by the second heat exchange channel (612), the liquid storage tank (63), and the driving pump (62); The refrigeration medium flowing through the first heat exchange channel (611) exchanges heat with the energy storage medium flowing through the second heat exchange channel (612).

3. The computer room air conditioning system according to claim 2, wherein A first control valve (7) is provided between the inlet of the first heat exchange channel (611) and the inlet of the condenser (2), and a second control valve (8) is provided between the outlet of the first heat exchange channel (611) and the outlet of the condenser (2); A third control valve (9) is provided between the inlet of the first heat exchange channel (611) and the inlet of the evaporator (5), and a fourth control valve (10) is provided between the outlet of the first heat exchange channel (611) and the outlet of the evaporator (5).

4. The computer room air conditioning system according to claim 1, characterized in that The energy storage module (6) includes a first heat exchanger (61), a driving pump (62) and a liquid storage tank (63); The first heat exchanger (61) includes a first heat exchange channel (611) and a second heat exchange channel (612); The first heat exchange channel (611) is connected between the outlet of the first compressor (1) and the inlet of the condenser (2); The outlet of the second heat exchange channel (612) is connected to the inlet of the liquid storage tank (63), the outlet of the liquid storage tank (63) is connected to the inlet of the driving pump (62), the outlet of the driving pump (62) is connected to the inlet of the second heat exchange channel (612), and an energy storage medium is filled in the energy storage circulation loop formed by the second heat exchange channel (612), the liquid storage tank (63) and the driving pump (62); The refrigerant flowing through the first heat exchange channel (611) exchanges heat with the energy storage medium flowing through the second heat exchange channel (612).

5. The computer room air conditioning system according to claim 1, wherein, The energy storage module (6) includes a first heat exchanger (61), a driving pump (62) and a liquid storage tank (63); The first heat exchanger (61) includes a first heat exchange channel (611) and a second heat exchange channel (612); The inlet of the first heat exchange channel (611) is respectively connected to the outlet of the first expansion valve (3) and the outlet of the fluorine pump (4), and the outlet of the first heat exchange channel (611) is connected to the inlet of the evaporator (5); The outlet of the second heat exchange channel (612) is connected to the inlet of the liquid storage tank (63), the outlet of the liquid storage tank (63) is connected to the inlet of the driving pump (62), the outlet of the driving pump (62) is connected to the inlet of the second heat exchange channel (612), and an energy storage medium is filled in the energy storage circulation loop formed by the second heat exchange channel (612), the liquid storage tank (63) and the driving pump (62); The refrigerant flowing through the first heat exchange channel (611) exchanges heat with the energy storage medium flowing through the second heat exchange channel (612).

6. The computer room air conditioning system according to any one of claims 2 to 5, characterized in that, The computer room air conditioning system further includes a heat pump module (11); The heat pump module (11) is connected to the energy storage module (6), and the heat pump module (11) is used to heat or cool the energy storage medium in the energy storage circulation loop.

7. The computer room air conditioning system according to claim 6, characterized in that, The heat pump module (11) includes a second compressor (111), a second heat exchanger (112), a third heat exchanger (113) and a second expansion valve (114); The second heat exchanger (112) includes a third heat exchange channel (1121) and a fourth heat exchange channel (1122); The second compressor (111), the third heat exchange channel (1121), the second expansion valve (114) and the third heat exchanger (113) are sequentially connected in a cycle to form a heat pump circulation loop, and a heat pump medium is filled in the heat pump circulation loop; The fourth heat exchange channel (1122) is connected in series in the energy storage circulation loop; The heat pump medium flowing through the third heat exchange channel (1121) exchanges heat with the energy storage medium flowing through the fourth heat exchange channel (1122).

8. The computer room air conditioning system according to claim 7, wherein, The fourth heat exchange channel (1122) is arranged in series between the outlet of the second heat exchange channel (612) and the inlet of the liquid storage tank (63).

9. The computer room air conditioning system according to claim 7, wherein, The number of the energy storage modules (6) is two, namely a first energy storage module (601) and a second energy storage module (602); The first heat exchange channel (611) in the first energy storage module (601) is connected between the outlet of the first compressor (1) and the inlet of the condenser (2). The inlets of the first heat exchange channel (611) in the second energy storage module (602) are respectively connected to the outlet of the first expansion valve (3) and the outlet of the fluorine pump (4), and the outlet of the first heat exchange channel (611) is connected to the inlet of the evaporator (5).

10. The computer room air conditioning system according to claim 9, characterized in that, The third heat exchanger (113) includes a fifth heat exchange channel (1131) and a sixth heat exchange channel (1132); The second compressor (111), the third heat exchange channel (1121), the second expansion valve (114) and the fifth heat exchange channel (1131) are sequentially connected in a cycle to form the heat pump cycle loop; The fourth heat exchange channel (1122) is connected in series in the energy storage cycle loop corresponding to the first energy storage module (601), and the sixth heat exchange channel (1132) is connected in series in the energy storage cycle loop corresponding to the second energy storage module (602).

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