Cooling and heating phase change energy storage system suitable for low-carbon residence
By employing multi-source complementary technologies in low-carbon housing, combining air source heat pumps, energy storage devices, and solar energy supply devices, the problems of poor adaptability and low energy efficiency of cooling and heating systems have been solved, achieving optimized energy allocation and low carbon emissions.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-03-27
AI Technical Summary
Low-carbon residential cooling and heating systems are difficult to adapt to the needs of different building types and climate conditions, resulting in low energy efficiency and inability to achieve efficient energy utilization.
By employing multi-source complementary technology, combining air source heat pumps, energy storage devices, and solar energy devices, energy allocation is optimized through phase change material energy storage devices. Air source heat pumps and solar energy devices provide energy for indoor air conditioning, and energy is stored through energy storage devices to reduce energy waste.
It achieves optimized energy allocation, reduces energy waste, significantly lowers carbon emissions, and adapts to the needs of different building types and climate conditions.
Smart Images

Figure CN224050443U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building heating and cooling technical field especially applicable to low carbon residential cooling and heating phase change energy storage system. BACKGROUND
[0002] At present, the low carbon residential cooling and heating system often cannot adapt to the needs of different building types and climate conditions, resulting in low energy efficiency, and the cooling and heating system adopts a single renewable energy, which cannot realize efficient energy utilization. SUMMARY
[0003] The utility model discloses a kind of cooling and heating phase change energy storage systems suitable for low carbon residential, to reduce energy waste.
[0004] According to the cooling and heating phase change energy storage system suitable for low carbon residential of the utility model embodiment, the indoor air conditioner, heat exchanger, air source heat pump, energy storage device, solar energy power supply device, the heat exchanger is connected with the indoor air conditioner by first circulating pipeline, the air source heat pump is connected with the heat exchanger by second circulating pipeline, the air source heat pump is suitable for supplying energy to the indoor air conditioner by the heat exchanger, the energy storage device is connected the air source heat pump and the heat exchanger by third circulating pipeline, the air source heat pump is suitable for charging the energy storage device, the energy storage device is suitable for supplying energy to the indoor air conditioner by the heat exchanger, the solar energy power supply device is connected with the heat exchanger by fourth circulating pipeline, the solar energy power supply device is suitable for supplying energy to the indoor air conditioner by the heat exchanger, the solar energy power supply device is connected with the energy storage device by fifth circulating pipeline, the solar energy power supply device is suitable for charging the energy storage device, wherein, the first circulating pipeline, the second circulating pipeline, the third circulating pipeline, the fourth circulating pipeline and the fifth circulating pipeline flow have heat exchange medium.
[0005] According to the cooling and heating phase change energy storage system suitable for low carbon residential of the utility model embodiment, the air source heat pump, energy storage device, solar energy power supply device can be supplied energy to indoor air conditioner respectively, solar energy power supply device and air source heat pump can be charged to energy storage device, to store energy, through multi-source complementary technology realizes the optimal allocation of energy, reduces the energy waste in traditional heating and cooling system.
[0006] According to one embodiment of the utility model, the energy storage device is phase change material energy storage device.
[0007] According to one embodiment of the utility model, the solar energy power supply device, the energy storage device and the air source heat pump are connected in parallel.
[0008] According to one embodiment of the present application, the energy storage device is located between the solar energy supply device and the air source heat pump.
[0009] According to one embodiment of the present application, a first pump body is arranged on the first circulation pipeline.
[0010] And / or, a second pump body is arranged on the second circulation pipeline.
[0011] And / or, a third pump body is arranged on the third circulation pipeline.
[0012] According to one embodiment of the present application, the solar energy supply device comprises a solar heat exchange water tank and a solar light heat device, the solar heat exchange water tank and the solar light heat device are connected through a sixth circulation pipeline, and the solar heat exchange water tank is connected in parallel with the energy storage device and the air source heat pump.
[0013] According to one embodiment of the present application, the sixth circulation pipeline is provided with a fourth pump body.
[0014] According to one embodiment of the present application, the phase change energy storage system for cooling and heating suitable for low-carbon residence comprises a plurality of indoor air conditioners, and the indoor air conditioners are connected with the heat exchanger.
[0015] According to one embodiment of the present application, the indoor air conditioners are connected in parallel.
[0016] According to one embodiment of the present application, the heat exchanger is a plate heat exchanger.
[0017] Additional aspects and advantages of the present application will be described in part in the description that follows, and will become apparent in the description that follows, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the related art, the drawings needed to be used in the description of the embodiments or the related art will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0019] Figure 1 is a pipeline structure schematic diagram of the phase change energy storage system for cooling and heating suitable for low-carbon residence provided by the embodiment of the present application.
[0020] Figure 2 is a pipeline structure schematic diagram of the phase change energy storage system for cooling and heating suitable for low-carbon residence provided by the embodiment of the present application, wherein the air source heat pump supplies energy to the indoor air conditioner.
[0021] Figure 3 is a schematic diagram of a pipeline structure of a cold and heating phase change energy storage system suitable for a low-carbon residence provided by the embodiment of the present application, wherein the energy storage device supplies energy for the indoor air conditioner.
[0022] Figure 4 is a schematic diagram of a pipeline structure of a cold and heating phase change energy storage system suitable for a low-carbon residence provided by the embodiment of the present application, wherein the solar energy supply device supplies energy for the indoor air conditioner.
[0023] Figure 5 is a schematic diagram of a pipeline structure of a cold and heating phase change energy storage system suitable for a low-carbon residence provided by the embodiment of the present application, wherein the solar energy supply device supplies energy for the energy storage device.
[0024] Reference signs:
[0025] 1, indoor air conditioner; 2, heat exchanger; 3, air source heat pump; 4, energy storage device; 5, solar heat exchange water tank; 6, solar light and heat device; P1, first pump body; P2, second pump body; P3, third pump body; P4, fourth pump body. DETAILED DESCRIPTION
[0026] The embodiments of the present application will be further described in detail below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.
[0027] In the description of the embodiments of the present application, it should be explained that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0028] In the description of the embodiments of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0029] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature can be "above", "over" and "on" the second feature, which can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature can be "under", "below" and "underneath" the second feature, which can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0030] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.
[0031] Please refer to Figures 1 to 5 The cold and heat supply phase change energy storage system suitable for low-carbon residence according to the embodiments of the present application comprises an indoor air conditioner 1, a heat exchanger 2, an air source heat pump 3, an energy storage device 4, a solar energy supply device, the heat exchanger 2 is connected with the indoor air conditioner 1 through a first circulating pipeline, the air source heat pump 3 is connected with the heat exchanger 2 through a second circulating pipeline, the air source heat pump 3 is suitable for supplying energy to the indoor air conditioner 1 through the heat exchanger 2, the energy storage device 4 is connected with the air source heat pump 3 and the heat exchanger 2 through a third circulating pipeline, the air source heat pump 3 is suitable for charging the energy storage device 4, the energy storage device 4 is suitable for supplying energy to the indoor air conditioner 1 through the heat exchanger 2, the solar energy supply device is connected with the heat exchanger 2 through a fourth circulating pipeline, the solar energy supply device is suitable for supplying energy to the indoor air conditioner 1 through the heat exchanger 2, the solar energy supply device is connected with the energy storage device 4 through a fifth circulating pipeline, and the solar energy supply device is suitable for charging the energy storage device 4, wherein the first circulating pipeline, the second circulating pipeline, the third circulating pipeline, the fourth circulating pipeline and the fifth circulating pipeline flow with heat exchange medium. Optionally, the heat exchange medium is water.
[0032] According to the embodiment of the utility model, the cold and heating phase change energy storage system suitable for low-carbon residence, through air source heat pump 3, energy storage device 4, solar energy supply device can supply energy for indoor air conditioner 1 respectively, solar energy supply device and air source heat pump 3 can all charge energy storage device 4, to store energy, through multi-source complementary technology realizes the optimal allocation of energy, reduces energy waste, and using renewable energy such as solar energy, air source heat pump 3, significantly reduces carbon emissions.
[0033] In the embodiment, the heat exchange medium flowing in the first circulation pipeline can circulate between the indoor air conditioner 1 and the heat exchanger 2, so as to supply cold or heat to the indoor air conditioner 1 through the flowing heat exchange medium. The heat exchange medium flowing in the second circulation pipeline can circulate between the air source heat pump 3 and the heat exchanger 2, that is, the heat exchange medium can flow out from the air source heat pump 3, enter the indoor air conditioner 1 after passing through the heat exchanger 2, and flow back to the air source heat pump 3 again through the heat exchanger 2, so as to realize energy supply of the air source heat pump 3 to the indoor air conditioner 1. Similarly, the energy storage device 4 can output the heat exchange medium to flow to the heat exchanger 2 through the third circulation pipeline, so as to supply energy to the indoor air conditioner 1, and the heat exchange medium after completing the energy supply can flow back to the energy storage device 4. In addition, the air source heat pump 3 can also transfer energy to the energy storage device 4 through the heat exchange medium, so as to charge the energy storage device 4. In addition, the solar energy supply device can output the heat exchange medium to flow to the heat exchanger 2 through the fourth circulation pipeline, so as to supply energy to the indoor air conditioner 1, and the solar energy supply device can also output the heat exchange medium to flow to the energy storage device 4 through the fifth circulation pipeline, so as to charge the energy storage device 4. It should be noted that the second circulation pipeline, the third circulation pipeline, the fourth circulation pipeline and the fifth circulation pipeline can be independent circulation pipelines or connected circulation pipelines, and the flow direction of the heat exchange medium can be controlled by the control valve between the multiple circulation pipelines.
[0034] According to one embodiment of the utility model, the heat exchanger 2 is a plate heat exchanger.
[0035] In the cold and heating phase change energy storage system suitable for low-carbon residence, the needs of different building types and climate conditions can be met.
[0036] In summer, the air source heat pump 3 supplies cold in the daytime, and the cold energy is delivered to the indoor air conditioner 1 through the heat exchanger 2, and the energy storage device 4 stores cold at the same time, and the energy storage device 4 supplies cold or jointly supplies cold with the air source heat pump 3 at night.
[0037] In winter, the air source heat pump 3 or the solar energy supply device supplies heat in the daytime, and the heat is delivered to the indoor air conditioner 1 through the heat exchanger 2, and the energy storage device 4 stores heat at the same time, and the energy storage device 4 supplies heat or jointly supplies heat with the air source heat pump 3 at night.
[0038] It should be noted that the air source heat pump 3 is a device that uses the heat in the air to heat or cool. In the cooling mode, the air source heat pump 3 absorbs heat from the outdoor air and transfers heat to the indoor air conditioner 1 through the heat exchange medium, thereby achieving the cooling effect.
[0039] According to an embodiment of the present application, the energy storage device 4 is a phase change material energy storage device 4, which can greatly improve the energy storage density and reduce heat loss compared with traditional water tanks or brick energy storage materials.
[0040] According to an embodiment of the present application, the solar energy supply device, the energy storage device 4 and the air source heat pump 3 are connected in parallel, and the specific connection pipeline is as shown in Figure 1 That is, the second circulating pipeline, the third circulating pipeline, the fourth circulating pipeline and the fifth circulating pipeline are connected to each other to form a parallel circulating pipeline to reduce the complexity of pipeline connection. In order to facilitate the control of the flow direction of the heat exchange medium, control valves are arranged at the output end and the input end of the solar energy supply device, the energy storage device 4 and the air source heat pump 3.
[0041] According to an embodiment of the present application, the energy storage device 4 is located between the solar energy supply device and the air source heat pump 3, so that the solar energy supply device can supply energy to the energy storage device 4, and the air source heat pump 3 can also supply energy to the energy storage device 4.
[0042] According to an embodiment of the present application, a first pump body P1 is arranged on the first circulating pipeline, optionally, a second pump body P2 is arranged on the second circulating pipeline, and optionally, a third pump body P3 is arranged on the third circulating pipeline. The first pump body P1, the second pump body P2 and the third pump body P3 are used to drive the flow of the heat exchange medium in each circulating pipeline.
[0043] According to an embodiment of the present application, the solar energy supply device comprises a solar heat exchange water tank 5 and a solar photothermal device 6, the solar heat exchange water tank 5 and the solar photothermal device 6 are connected through a sixth circulating pipeline, and the solar heat exchange water tank 5 is connected in parallel with the energy storage device 4 and the air source heat pump 3.
[0044] It can be understood that the solar heat exchange water tank 5 is mainly used for storing and insulating hot water, and the solar heat exchange water tank 5 can buffer the cold water entering the solar system to prevent the low-temperature tap water from directly entering the glass vacuum tube, thereby avoiding the pipe from being broken due to the large temperature difference. The solar photothermal device 6 is responsible for collecting solar energy and converting it into heat energy, and the two work together to supply energy to the indoor air conditioner 1.
[0045] According to an embodiment of the present application, the sixth circulating pipeline is provided with a fourth pump body P4, and the fourth pump body P4 is used to drive the flow of the heat exchange medium in the sixth circulating pipeline.
[0046] According to one embodiment of the utility model, the cold and heat supply phase change energy storage system suitable for low-carbon residence includes multiple indoor air conditioners 1, and the multiple indoor air conditioners 1 are all connected with heat exchanger 2. According to one embodiment of the utility model, the multiple indoor air conditioners 1 are connected in parallel. In this way, the multiple indoor air conditioners 1 supply heat or cold to the indoor, improve the indoor temperature uniformity, and the multiple indoor air conditioners 1 can be adapted to multiple energy supply devices, reducing energy waste.
[0047] Finally, it should be noted that the above embodiments are only used to illustrate the utility model, and are not limited to the utility model. Although the utility model is described in detail with reference to the embodiments, those skilled in the art should understand that various combinations, modifications or equivalent replacements of the technical solutions of the utility model do not deviate from the spirit and scope of the utility model, and should be covered in the scope of the claims of the utility model.
Claims
1. A cooling and heating phase change energy storage system suitable for low carbon housing, characterized in that, The system comprises an indoor air conditioner, a heat exchanger, an air source heat pump, an energy storage device, and a solar energy supply device. The heat exchanger is connected to the indoor air conditioner through a first circulation pipeline. The air source heat pump is connected to the heat exchanger through a second circulation pipeline. The air source heat pump is adapted to supply energy to the indoor air conditioner through the heat exchanger. The energy storage device is connected to the air source heat pump and the heat exchanger through a third circulation pipeline. The air source heat pump is adapted to charge the energy storage device. The energy storage device is adapted to supply energy to the indoor air conditioner through the heat exchanger. The solar energy supply device is connected to the heat exchanger through a fourth circulation pipeline. The solar energy supply device is adapted to supply energy to the indoor air conditioner through the heat exchanger. The solar energy supply device is connected to the energy storage device through a fifth circulation pipeline. The solar energy supply device is adapted to charge the energy storage device. The first, second, third, fourth, and fifth circulation pipelines contain a heat exchange medium.
2. The cooling and heating phase change thermal storage system suitable for low carbon house according to claim 1, wherein, The energy storage device is a phase change material energy storage device.
3. The cooling and heating phase change thermal storage system suitable for low carbon house according to claim 1, wherein, The solar energy supply device, the energy storage device, and the air source heat pump are connected in parallel.
4. The cooling and heating phase change thermal storage system suitable for low carbon house according to claim 3, wherein, The energy storage device is located between the solar energy supply device and the air source heat pump.
5. The cooling and heating phase change thermal storage system suitable for low carbon house according to claim 4, wherein, A first pump body is provided on the first circulation pipeline. A second pump body is provided on the second circulation pipeline. A third pump body is provided on the third circulation pipeline.
6. The cooling and heating phase change thermal storage system suitable for low carbon house according to claim 3, wherein, The solar energy supply device comprises a solar heat exchange water tank and a solar photothermal device. The solar heat exchange water tank and the solar photothermal device are connected through a sixth circulation pipeline. The solar heat exchange water tank is connected in parallel to the energy storage device and the air source heat pump.
7. The cooling and heating phase change thermal storage system suitable for low carbon house according to claim 6, wherein, The sixth circulation pipeline is provided with a fourth pump body.
8. The cooling and heating phase change thermal storage system suitable for low carbon house according to claim 1, wherein, The system for cooling and heating a low-carbon residence comprises a plurality of indoor air conditioners, each of which is connected to the heat exchanger.
9. The cooling and heating phase change thermal storage system suitable for low carbon house according to claim 8, wherein, The plurality of indoor air conditioners are connected in parallel.
10. The cooling and heating phase change thermal storage system suitable for low carbon house according to any one of claims 1 to 9, characterized in that, The heat exchanger is a plate heat exchanger.