Modularized energy storage type air conditioning system
Through the design of a modular energy storage air conditioning system, the combination of clean energy devices and heat storage devices is used to solve the problem of low energy utilization caused by the single heat source or cold source module in the prior art, and the storage and efficient utilization of heat or cold capacity at low load on the user side is achieved.
Patent Information
- Application Number
- CN202421946816.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The heat source or cold source module of the heating and cooling air conditioning system in the prior art is single, and even when the user load is small, it requires continuous use of coal or electricity, resulting in a low energy utilization rate.
A modular energy storage air conditioning system is designed, including heat exchange medium pipes, clean energy devices and heat storage devices. The user end is connected to the heat exchange medium pipe, and the clean energy device and the heat storage device can be connected or blocked with the heat exchange medium pipe as needed, respectively, so as to realize the storage and utilization of heat or cold.
When the user-side is low load, the system can store excess heat or cold amount in the heat storage device, reduce dependence on coal or electricity, improve energy utilization, and avoid energy waste. The system has a variety of modes, which can be adjusted according to user needs to achieve efficient utilization of clean energy.
Smart Images
Figure CN222895239U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of refrigeration / heating equipment, in particular to a modular energy storage air conditioning system. Background Art
[0002] At present, most cities in northern my country use the traditional centralized heating mode for heating. Centralized heating often uses traditional energy such as coal, which emits a large amount of harmful substances such as carbon dioxide, causing damage to the environment. The heating pipes of centralized heating are long and widely distributed, and the heat transmission efficiency is low, resulting in poor heating effect, especially in extremely cold weather. The heating effect is more obvious and the indoor temperature cannot reach the standard temperature. The poor insulation effect of the heating pipe network and the high failure rate lead to serious heat loss.
[0003] The applicant has found that the prior art has at least the following technical problems: the heating and cooling air-conditioning system in the prior art has a single heat source or cold source module, and even when the user load is small (heating and cooling valley period), it needs to continuously use coal or electricity, and the energy utilization rate is low. Utility Model Content
[0004] The purpose of the utility model is to provide a modular energy storage air-conditioning system to solve the technical problem in the prior art that the heat source or cold source module is single, and even when the user load is small (heating and cooling valley period), it is necessary to continue to use coal or electricity, resulting in low energy utilization rate; the many technical effects that can be produced by the preferred technical solution among the many technical solutions provided by the utility model are detailed as follows.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] The modular energy storage air conditioning system provided by the utility model comprises a heat exchange medium pipeline, a clean energy device and a heat storage device with a heat storage material arranged inside, wherein:
[0007] The clean energy device and the heat storage device are both connected to the user end through a heat exchange medium pipeline, and there is a conduction state or a blocking state between the clean energy device and the heat exchange medium pipeline, and there is a conduction state or a blocking state between the heat storage device and the heat exchange medium pipeline;
[0008] When the clean energy device, the heat storage device and the heat exchange medium pipeline are all in the conducting state, the user end and the heat storage device are arranged in parallel, so that heat / cold is stored in the heat storage device while heating / cold is supplied to the user end;
[0009] The clean energy device includes one or more than two types. When two or more clean energy devices are connected to the user end, all the clean energy devices are arranged in parallel.
[0010] Preferably, when heating, the clean energy device includes one or more of an electric boiler, a fin heat exchanger, an underground heat exchange tube, an industrial cooling water waste heat recovery device, and a flue gas heat exchanger. When two or more of the clean energy devices are connected to the user end, all the clean energy devices are arranged in parallel;
[0011] During cooling, the clean energy device includes a fin heat exchanger or an underground heat exchange tube.
[0012] Preferably, the heat exchange medium pipeline includes a supply pipeline and a return pipeline, wherein:
[0013] The supply pipeline and the return pipeline are in communication with a user end, and the supply pipeline is connected to a medium outlet of the clean energy device, and the return pipeline is connected to a medium inlet of the clean energy device.
[0014] Preferably, the medium inlet of the heat storage device is connected to the supply pipe through a first branch pipe, and is connected to the return pipe through a second branch pipe, and the medium outlet of the heat storage device is connected to the return pipe through a third branch pipe. The modular energy storage air-conditioning system has a storage-and-supply mode, a heat storage device heating / cooling mode, and a clean energy device heating / cooling mode.
[0015] Preferably, when in the storage-and-supply mode, the return pipe is connected to the medium inlet of the clean energy device and the third branch pipe, and the supply pipe is connected to the medium outlet of the clean energy device and the second branch pipe.
[0016] Preferably, when the heat storage device is in heating / cooling mode, the clean energy device and the heat exchange medium pipeline are in a blocked state, the third branch pipe and the first branch pipe are connected to the return pipe, and the return pipe is directly connected to the supply pipe.
[0017] Preferably, when the clean energy device is in the heating / cooling mode, the heat storage device and the heat exchange medium pipeline are in a blocked state; the heat storage device and the heat exchange medium pipeline are in a blocked state, the supply pipeline is connected to the medium outlet of the clean energy device, and the return pipeline is connected to the medium inlet of the clean energy device.
[0018] Preferably, the supply pipe and the return pipe are connected via a guide pipe, and a first switch valve is provided on the guide pipe, and the first switch valve is used to control the conduction or blocking of the guide pipe;
[0019] When the conducting tube is turned on, the clean energy device is unloaded from the heat exchange medium pipeline, and the heat storage device and the heat exchange medium pipeline are in a conducting state, and the heat storage device provides heating / cooling for the user end.
[0020] Preferably, a second switch valve is provided on the first branch pipe, a third switch valve is provided on the return pipe, and the third switch valve is located between the clean energy device and the first switch valve; and a water pump is provided on the supply pipe.
[0021] Preferably, a first regulating valve is provided on the supply pipeline, a second regulating valve is provided on the second branch pipe, a third regulating valve is provided on the third branch pipe, and a fourth regulating valve is provided on the return pipeline, and the fourth regulating valve is located between the pipe sections connecting the return pipeline with the first branch pipe and the third branch pipe.
[0022] Compared with the prior art, the modular energy storage air conditioning system provided by the utility model has the following beneficial effects: when the user end is under low load, the clean energy device, the heat storage device and the heat exchange medium pipeline are all in a conducting state, and the user end is arranged in parallel with the heat storage device, which can store heat / cold in the heat storage device while supplying heat / cold to the user end, and store excess heat or cold in the heat storage device. With such an arrangement, when the user end is under low load, the heat storage device can be used to supply heat / cold to the user end, thereby improving the utilization rate of energy and avoiding energy waste. The use of clean energy or heat storage device to supply heat or cold to the user end enables the modular energy storage air conditioning system to have multiple modes, which can be adjusted according to the specific needs of the user. The clean energy device has one or more types, and multiple clean heat sources / cold sources can be coupled and complemented. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art 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.
[0024] Figure 1 It is a schematic diagram of the flow direction of the heat exchange medium when the modular energy storage air conditioning system is in the storage and supply mode;
[0025] Figure 2 It is a schematic diagram of the flow direction of the heat exchange medium when the modular energy storage air conditioning system is in the heating / cooling mode of the heat storage device;
[0026] Figure 3 It is a schematic diagram of the flow direction of the heat exchange medium when the modular energy storage air-conditioning system is in the clean energy device heating / cooling mode.
[0027] In the figure, 1, clean energy device; 2, heat storage device; 3, user end; 31, return pipe; 32, supply pipe; 4, water pump; 5, electric boiler; 6, fin heat exchanger; 7, water source heat pump; 8, buried heat exchange pipe; 9, industrial cooling water waste heat recovery device; 10, flue gas heat exchanger; 11, first branch pipe; 12, second branch pipe; 13, third branch pipe; 14, guide pipe; D1, first switch valve; D2, second switch valve; D3, third switch valve; DT1, first regulating valve; DT2, second regulating valve; DT3, third regulating valve; DT4, fourth regulating valve. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.
[0029] In the description of the present invention, it should be understood that the terms "center", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "side" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention 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 cannot be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified, "multiple" means two or more.
[0030] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0031] The embodiment of the utility model provides a modular energy storage air conditioning system. When the user end is under low load, a heat storage device can be used to provide heating / cooling for the user end, thereby improving energy utilization and avoiding energy waste. Clean energy or a heat storage device is used to provide cooling or heating for the user end, so that the modular energy storage air conditioning system has multiple modes.
[0032] Combine the following Figure 1-Figure 3 The technical solution provided by the utility model is described in more detail.
[0033] like Figure 1-Figure 3 As shown, the modular energy storage air-conditioning system provided by the utility model includes a heat exchange medium pipeline, a clean energy device 1 and a heat storage device 2 with heat storage material arranged inside, wherein: the clean energy device 1 and the heat storage device 2 are both connected to the user end 3 through the heat exchange medium pipeline (the return pipeline 31 and the supply pipeline 32 of this embodiment), and there is a conduction state or a blocking state between the clean energy device 1 and the heat exchange medium pipeline, and there is a conduction state or a blocking state between the heat storage device 2 and the heat exchange medium pipeline; when the clean energy device 1, the heat storage device 2 and the heat exchange medium pipeline are all in a conduction state, the user end 3 and the heat storage device 2 are arranged in parallel, so that while supplying heat / cooling to the user end 3, heat / cold is stored in the heat storage device 2; the clean energy device 1 includes one or more types, and when more than two clean energy devices 1 are connected to the user end 3, all clean energy devices 1 are arranged in parallel.
[0034] The user end 3 includes multiple residences, office buildings or comprehensive buildings, workshops and factories, etc.
[0035] Among them, the heat storage device 2 can be water heat storage or phase change heat storage. For example, the heat storage device 2 of this embodiment includes a tank body and a phase change heat storage tube located in the tank body. The phase change heat storage tube stores phase change heat storage materials. The phase change heat storage materials are fatty acids, crystalline hydrated salts, and molten salts in the prior art. As a conventional means in the prior art, they are not limited here. The phase change heat storage material is stored in the phase change heat storage tube. The phase change temperature of the phase change heat storage material is selected according to the heat storage temperature. According to the solid-liquid phase change heat absorption and heat release, energy is stored in the phase change material within a set time, and then the energy stored in the phase change material is released within the set time. The phase change heat storage material can use a low-temperature heat storage material or a high-temperature heat storage material, so that the heat storage temperature is between 8°C and 60°C.
[0036] The clean energy of this embodiment does not require the burning of coal, etc., and does not require huge pipeline investment; it recycles clean energy such as air energy, geothermal energy, and industrial waste heat, which is energy-saving and environmentally friendly; it can achieve efficient use of clean energy while storing energy.
[0037] The modular energy storage air conditioning system of this embodiment, when the user end 3 is under low load, makes the clean energy device 1, the heat storage device 2 and the heat exchange medium pipeline all in a conductive state, and the user end 3 is arranged in parallel with the heat storage device 2, which can store heat / cold in the heat storage device 2 while supplying heat / cooling to the user end 3, and store excess heat or cold in the heat storage device 2. With this arrangement, when the user end 3 is under low load, the heat storage device 2 can be used to supply heat / cooling to the user end 3, thereby improving the utilization rate of energy and avoiding energy waste. The use of clean energy or the heat storage device 2 to supply heat or cooling to the user end 3 enables the modular energy storage air conditioning system to have multiple modes, which can be adjusted according to the specific needs of the user. The clean energy device 1 has one or more types, and can couple and complement multiple clean heat sources / cold sources.
[0038] As an optional implementation, when heating, the clean energy device 1 includes one or more of an electric boiler 5, a fin heat exchanger 6, an underground heat exchange tube 8, an industrial cooling water waste heat recovery device 9, and a flue gas heat exchanger 10. When two or more clean energy devices 1 are connected to the user end 3, all clean energy devices 1 are arranged in parallel; when cooling, the clean energy device 1 includes a fin heat exchanger 6 or an underground heat exchange tube 8.
[0039] See also Figure 1-Figure 3 As shown, a water source heat pump 7 is provided on the pipeline where the buried heat exchange pipe 8 is located to drive the heat exchange medium to flow.
[0040] The above structure can recycle and utilize clean energy such as air energy, geothermal energy, and industrial waste heat, which is energy-saving and environmentally friendly; it realizes efficient utilization of clean energy while storing heat.
[0041] As an alternative embodiment, see Figure 1-Figure 3 As shown, the heat exchange medium pipeline includes a supply pipeline 32 and a return pipeline 31, wherein: the supply pipeline 32 and the return pipeline 31 are connected to the user end 3, and the supply pipeline 32 is connected to the medium outlet of the clean energy device 1, and the return pipeline 31 is connected to the medium inlet of the clean energy device 1.
[0042] The supply pipeline 32 provides cooling or heating for the user end 3 , and the return pipeline 31 is used to return the heat exchange medium after heat exchange at the user end 3 to the clean energy device 1 or the heat storage device 2 .
[0043] As an alternative embodiment, see Figure 1-Figure 3 As shown, the medium inlet of the heat storage device 2 is connected to the supply pipe 32 through the first branch pipe 11, and is connected to the return pipe 31 through the second branch pipe 12. The medium outlet of the heat storage device 2 is connected to the return pipe 31 through the third branch pipe 13. The modular energy storage air-conditioning system has a storage-and-supply mode, a heating / cooling mode of the heat storage device 2, and a heating / cooling mode of the clean energy device 1.
[0044] As an optional implementation, the supply pipe 32 and the return pipe 31 are connected via a guide pipe 14, on which a first switch valve D1 is provided, and the first switch valve D1 is used to control the conduction or blocking of the guide pipe 14; when the guide pipe 14 is connected, the clean energy device 1 is unloaded from the heat exchange medium pipeline, and the heat storage device 2 and the heat exchange medium pipeline are in a conducting state, and the heat storage device 2 provides heating / cooling for the user end 3.
[0045] When the first switch valve D1 is closed, the clean energy device 1 is unloaded from the heat exchange medium pipeline, and only the heat storage device 2 is connected to the user end 3, and the heat storage device 2 is used to provide heating / cooling for the user end 3.
[0046] As an alternative embodiment, see Figure 1-Figure 3 As shown, a second switch valve D2 is provided on the first branch pipe 11, and the second switch valve D2 is used to control the conduction or blocking of the first branch pipe 11; a third switch valve D2 is provided on the return pipe 31, and the third switch valve D2 is located between the clean energy device 1 and the first switch valve D1; a water pump 4 is provided on the supply pipe 32.
[0047] As an alternative embodiment, see Figure 1-Figure 3 As shown, a first regulating valve DT1 is provided on the supply pipe 32, a second regulating valve DT2 is provided on the second branch pipe 12, a third regulating valve DT3 is provided on the third branch pipe 13, and a fourth regulating valve DT4 is provided on the return pipe 31. The fourth regulating valve DT4 is located between the pipe sections connecting the return pipe 31 with the first branch pipe 11 and the third branch pipe 13.
[0048] For details, see Figure 1 As shown, in the storage-and-supply mode, the return pipe 31 is connected to the medium inlet of the clean energy device 1 and the third branch pipe 13, and the supply pipe 32 is connected to the medium outlet of the clean energy device 1 and the second branch pipe 12.
[0049] Mode 1: Storage and supply mode, used at the beginning or end of heating, when the user load is relatively small, the first switch valve D1 and the second switch valve D2 are closed, the third switch valve D2 is opened, and the first regulating valve DT1, the second regulating valve DT2, the third regulating valve DT3 and the fourth regulating valve DT4 are adjusted proportionally according to the user load. Figure 1The middle arrow indicates the flow. The hot water in the pipeline flows into the clean energy device 1 under the push of the water pump 4 and its temperature rises. The high-temperature hot water (heat exchange medium) is divided into two paths in proportion under the regulation of the first regulating valve DT1, the second regulating valve DT2, the third regulating valve DT3 and the fourth regulating valve DT4. One path is sent to the user end 3 for heating, and the other path is sent to the heat storage device 2 for heat storage. Under the action of the stratification of cold and hot water, the low-temperature water in the heat storage device 2 and the low-temperature water coming out of the user are gathered and flow into the water pump 4, and then sent to the clean energy device 1 for heating, thereby forming a cycle.
[0050] See also Figure 2 As shown, when the heat storage device 2 is in heating / cooling mode, the clean energy device 1 and the heat exchange medium pipeline are in a blocked state, the third branch pipe 13 and the first branch pipe 11 are connected to the return pipe 31, and the return pipe 31 is directly connected to the supply pipe 32.
[0051] Mode 2: Heating mode of heat storage device 2, at the beginning or end of heating, when the user load is relatively small, when the overall water temperature of heat storage device 2 reaches the set water temperature or the peak electricity price, the first switch valve D1 and the second switch valve D2 are opened, the third switch valve D2 is closed, the first regulating valve DT1 and the third regulating valve DT3 are fully opened, the second regulating valve DT2 and the fourth regulating valve DT4 are fully closed, as shown in the attached figure. Figure 2 The middle arrow indicates flow. The water pump 4 extracts high-temperature hot water from the heat storage device 2 and sends it to the user end 3 for heating. The low-temperature water from the user end 3 flows into the heat storage device 2. Under the stratification of cold and hot water, the hot water in the heat storage device 2 enters the water pump 4, thereby forming a cycle.
[0052] See also Figure 3 As shown, when the clean energy device 1 is in heating / cooling mode, the heat storage device 2 and the heat exchange medium pipeline are in a blocked state; the heat storage device 2 and the heat exchange medium pipeline are in a blocked state, the supply pipeline 32 is connected to the medium outlet of the clean energy device 1, and the return pipeline 31 is connected to the medium inlet of the clean energy device 1.
[0053] Mode 3: Clean energy direct supply mode. In extreme weather, the clean energy device 1 operates at full load to meet the heating demand. The first switch valve D1 and the second switch valve D2 are closed, the third switch valve D2 is opened, the first regulating valve DT1 and the fourth regulating valve DT4 are fully opened, and the second regulating valve DT2 and the third regulating valve DT3 are fully closed. Figure 3 The middle arrow indicates flow. The hot water in the pipeline flows into the clean energy device 1 under the push of the water pump 4 and the temperature rises. The high-temperature hot water is sent to the user end 3 for heating. After the heating, the low-temperature water enters the water pump 4, thus forming a cycle.
[0054] The modular energy storage air conditioning system of this embodiment adopts three operating modes and proposes valve switching methods under the three operating modes, which can improve energy utilization.
[0055] This embodiment combines energy storage, clean energy utilization, and waste heat recovery together, and proposes an energy utilization mode in which multiple heat sources are coupled and complemented.
[0056] This embodiment adopts modular cold and heat source forms and system engineering integrated customization, which greatly saves construction time.
[0057] In the description of this specification, specific features, structures or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.
[0058] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0059] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A modular energy storage air conditioning system, characterized in that: It includes a heat exchange medium pipeline, a clean energy device and a heat storage device with heat storage materials arranged inside, wherein: The clean energy device and the heat storage device are both connected to the user end through a heat exchange medium pipeline, and there is a conduction state or a blocking state between the clean energy device and the heat exchange medium pipeline, and there is a conduction state or a blocking state between the heat storage device and the heat exchange medium pipeline; When the clean energy device, the heat storage device and the heat exchange medium pipeline are all in the conducting state, the user end and the heat storage device are arranged in parallel, so that heat / cold is stored in the heat storage device while heating / cold is supplied to the user end; The clean energy device includes one or more than two types. When two or more clean energy devices are connected to the user end, all the clean energy devices are arranged in parallel.
2. The modular energy storage air conditioning system according to claim 1, characterized in that: When heating, the clean energy device includes one or more of an electric boiler, a fin heat exchanger, an underground heat exchange tube, an industrial cooling water waste heat recovery device, and a flue gas heat exchanger. When two or more of the clean energy devices are connected to the user end, all the clean energy devices are arranged in parallel; During cooling, the clean energy device includes a fin heat exchanger or an underground heat exchange tube.
3. The modular energy storage air conditioning system according to claim 1, characterized in that: The heat exchange medium pipeline includes a supply pipeline and a return pipeline, wherein: The supply pipeline and the return pipeline are in communication with a user end, and the supply pipeline is connected to a medium outlet of the clean energy device, and the return pipeline is connected to a medium inlet of the clean energy device.
4. The modular energy storage air conditioning system according to claim 3, characterized in that: The medium inlet of the heat storage device is connected to the supply pipe through a first branch pipe, and is connected to the return pipe through a second branch pipe. The medium outlet of the heat storage device is connected to the return pipe through a third branch pipe. The modular energy storage air-conditioning system has a storage-and-supply mode, a heat storage device heating / cooling mode, and a clean energy device heating / cooling mode.
5. The modular energy storage air conditioning system according to claim 4, characterized in that: When in the storage-and-supply mode, the return pipe is connected to the medium inlet of the clean energy device and the third branch pipe, and the supply pipe is connected to the medium outlet of the clean energy device and the second branch pipe.
6. The modular energy storage air conditioning system according to claim 4, characterized in that: When the heat storage device is in heating / cooling mode, the clean energy device and the heat exchange medium pipeline are in a blocked state, the third branch pipe and the first branch pipe are connected to the return pipe, and the return pipe is directly connected to the supply pipe.
7. The modular energy storage air conditioning system according to claim 4, characterized in that: When the clean energy device is in the heating / cooling mode, the heat storage device and the heat exchange medium pipeline are in a blocked state; the heat storage device and the heat exchange medium pipeline are in a blocked state, the supply pipeline is connected to the medium outlet of the clean energy device, and the return pipeline is connected to the medium inlet of the clean energy device.
8. The modular energy storage air conditioning system according to claim 4, characterized in that: The supply pipe and the return pipe are connected via a guide pipe, and a first switch valve is provided on the guide pipe, and the first switch valve is used to control the conduction or blocking of the guide pipe; When the conducting tube is turned on, the clean energy device is unloaded from the heat exchange medium pipeline, and the heat storage device and the heat exchange medium pipeline are in a conducting state, and the heat storage device provides heating / cooling for the user end.
9. The modular energy storage air conditioning system according to claim 8, characterized in that: The first branch pipe is provided with a second switch valve, the return pipe is provided with a third switch valve, and the third switch valve is located between the clean energy device and the first switch valve; the supply pipe is provided with a water pump.
10. The modular energy storage air conditioning system according to claim 4, characterized in that: A first regulating valve is arranged on the supply pipeline, a second regulating valve is arranged on the second branch pipe, a third regulating valve is arranged on the third branch pipe, and a fourth regulating valve is arranged on the return pipeline. The fourth regulating valve is located between the pipe sections connecting the return pipeline with the first branch pipe and the third branch pipe.