Thermoelectric power generation type household appliance energy utilization device

Abstract

The utility model belongs to the field of household appliances, and discloses a thermoelectric power generation type household appliance energy utilization device which comprises an energy source which comprises a cold source and a heat source; the energy storage assembly comprises a cold source energy storage device and a heat source energy storage device, the cold source energy storage device is used for storing energy from a cold source, the heat source energy storage device is used for storing energy from a heat source, and a temperature difference exists between the cold source energy storage device and the heat source energy storage device; and the thermoelectric power generation assembly is arranged between the cold source energy storage device and the heat source energy storage device. The cold source energy storage device is used for storing energy from a cold source, the heat source energy storage device is used for storing energy from a heat source, temperature difference exists between the cold source energy storage device and the heat source energy storage device, the temperature difference power generation assembly is used for generating power, and therefore secondary utilization of the energy is achieved.

Description

Technical Field

[0001] The utility model relates to the field of household appliances, in particular to a temperature difference power generation type household appliance energy utilization device. Background Art

[0002] Existing household electricity is generally powered by municipal electricity. Each household appliance will release a certain amount of energy during use. For example, when an electrical appliance is in use, the motor of the appliance will generate a large amount of heat, and this part of the heat cannot be used. For example, the evaporator of the air conditioner is installed indoors, and the condenser of the air conditioner is installed outdoors. When the air conditioner is cooling, the evaporator absorbs heat as an indoor heat exchanger, and the condenser releases heat as an outdoor heat exchanger, thereby completing the cooling of the air conditioner; when the air conditioner is heating, the evaporator releases heat as an indoor heat exchanger, and the condenser absorbs heat as an outdoor heat exchanger, thereby completing the heating of the air conditioner. During the cooling or heating process of the air conditioner, the condenser will release a large amount of heat energy or cold energy to the outside world. This part of the energy is directly discharged into the outside world, which not only wastes this part of the energy, but also causes a certain burden on the environment around the air conditioner. Utility Model Content

[0003] In order to overcome at least one defect of the above-mentioned prior art, the utility model provides a method of storing energy from a cold source by using a cold source energy storage device and storing energy from a heat source by using a heat source energy storage device, so that there is a temperature difference between the cold source energy storage device and the heat source energy storage device, and generating electricity by using a temperature difference power generation component, thereby reusing energy.

[0004] The technical solution adopted by the utility model to solve the problem is:

[0005] A household appliance energy utilization device of a temperature difference power generation type, comprising:

[0006] Energy source, including cold source and heat source;

[0007] An energy storage component, the energy storage component includes a cold source energy storage device and a heat source energy storage device, the cold source energy storage device is used to store energy from a cold source, the heat source energy storage device is used to store energy from a heat source, and there is a temperature difference between the cold source energy storage device and the heat source energy storage device;

[0008] Thermoelectric power generation assembly, the thermoelectric power generation assembly is arranged between the cold source energy storage device and the heat source energy storage device.

[0009] In a preferred embodiment, the cold source includes a refrigeration function module of the household electrical appliance and / or a municipal water pipe, and the heat source includes a heating function module of the household electrical appliance.

[0010] In a preferred embodiment, the temperature difference power generation household appliance energy utilization device includes an external heat exchange component, which is arranged between the energy source and the energy storage component. The energy source exchanges heat with the energy storage component through the external heat exchange component.

[0011] In a preferred embodiment, the external heat exchange component includes a first external heat exchange tube and a second external heat exchange tube, the first external heat exchange tube and the second external heat exchange tube are filled with heat exchange liquid, the first external heat exchange tube is connected to the cold source and the cold source energy storage, and the second external heat exchange tube is connected to the heat source and the heat source energy storage.

[0012] In a preferred embodiment, the thermoelectric power generation type household appliance energy utilization device includes an internal heat exchange component, and the internal heat exchange component includes a first internal heat exchange tube and a second internal heat exchange tube;

[0013] The cold source energy accumulator includes a first phase change energy storage liner, a first internal heat exchange tube is arranged inside the cold source energy accumulator, the first internal heat exchange tube is arranged between the first phase change energy storage liner and the first external heat exchange tube, and the cold source energy accumulator realizes heat exchange with the first external heat exchange tube through the first internal heat exchange tube;

[0014] The heat source energy storage device includes a second phase change energy storage liner, a second internal heat exchange tube is arranged inside the heat source energy storage device, and the second internal heat exchange tube is arranged between the second phase change energy storage liner and the second external heat exchange tube. The heat source energy storage device realizes heat exchange with the second external heat exchange tube through the second internal heat exchange tube.

[0015] In a preferred embodiment, the thermoelectric power generation type household appliance energy utilization device comprises a water tank, a first external heat exchange tube and a second external heat exchange tube are arranged in parallel, and the first external heat exchange tube and the second external heat exchange tube are both connected to the same water tank;

[0016] Alternatively, the first external heat exchange tube and the second external heat exchange tube are respectively connected to different water tanks, and the two water tanks are isolated from each other.

[0017] In a preferred embodiment, the first phase change energy storage liner and the second phase change energy storage liner are both filled with phase change materials.

[0018] In a preferred embodiment, the phase change material is a hydrated salt phase change material or a wax phase change material.

[0019] In a preferred embodiment, the temperature difference power generation component includes a first electrical conductor and a second electrical conductor, the first electrical conductor and the second electrical conductor are electrically connected to form a closed loop, a first connector between the first electrical conductor and the second electrical conductor is arranged on the cold source energy storage device to form a low-temperature connector, and a second connector between the first electrical conductor and the second electrical conductor is arranged on the hot source energy storage device to form a high-temperature connector, and there is a temperature difference between the low-temperature connector and the high-temperature connector.

[0020] In a preferred embodiment, the temperature difference power generation component includes at least one power socket, which is electrically connected to each household appliance through the power socket, and the temperature difference power generation component supplies power to each household appliance.

[0021] In summary, the utility model has the following technical effects: the utility model utilizes a cold source energy storage device to store energy from a cold source, and utilizes a heat source energy storage device to store energy from a heat source, so that there is a temperature difference between the cold source energy storage device and the heat source energy storage device, and utilizes a temperature difference power generation component to generate electricity, thereby reusing energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a simplified schematic diagram of Embodiment 1 of the present utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the cold source energy storage device of Example 1 of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the heat source energy storage device of Example 1 of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the temperature difference power generation assembly of Example 1 of the utility model;

[0026] Figure 5 This is a simplified schematic diagram of Embodiment 2 of the present utility model.

[0027] The meanings of the reference numerals are as follows:

[0028] 10. Energy source, 101. Cold source, 102. Heat source; 20. Energy storage component, 201. Cold source energy storage device, 2011. First phase change energy storage liner, 2012. First insulation layer, 202. Heat source energy storage device, 2021. Second phase change energy storage liner, 2022. Second insulation layer; 30. Temperature difference power generation component, 301. First electrical conductor, 302. Second electrical conductor, 303. Low temperature connector, 304. High temperature connector, 40. External heat exchange component, 401. First external heat exchange tube, 402. Second external heat exchange tube; 50. Internal heat exchange component, 501. First internal heat exchange tube, 502. Second internal heat exchange tube; 60. Water tank, 70. Control valve, 80. Pump body, 90. Load, 100. Air conditioner compressor. DETAILED DESCRIPTION

[0029] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0030] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0032] Example 1

[0033] See also Figure 1-Figure 4 The utility model discloses a household appliance energy utilization device of a temperature difference power generation type, comprising: an energy source 10, the energy source 10 comprising a cold source 101 and a heat source 102; an energy storage component 20, the energy storage component 20 comprising a cold source energy storage device 201 and a heat source energy storage device 202, the cold source energy storage device 201 being used to store energy from the cold source 101, the heat source energy storage device 202 being used to store energy from the heat source 102, and there being a temperature difference between the cold source energy storage device 201 and the heat source energy storage device 202; a temperature difference power generation component 30, the temperature difference power generation component 30 being arranged between the cold source energy storage device 201 and the heat source energy storage device 202.

[0034] Based on the above structure, the utility model utilizes the cold source energy storage device 201 to store energy from the cold source 101, and utilizes the heat source energy storage device 202 to store energy from the heat source 102, so that there is a temperature difference between the cold source energy storage device 201 and the heat source energy storage device 202, and utilizes the temperature difference power generation component 30 to generate electricity, thereby reusing the energy.

[0035] In the embodiment of the utility model, the cold source 101 includes a cooling function module of a household electrical appliance and / or a municipal water pipe, and the heat source 102 includes a heating function module of a household electrical appliance.

[0036] Specifically, taking the air conditioner as the energy source 10 as an example, when the air conditioner is cooling, the evaporator of the air conditioner installed indoors blows out cold air, and the condenser of the air conditioner installed outdoors blows out hot air. Thus, the cold source 101 includes the evaporator of the air conditioner, and the heat source 102 includes the condenser of the air conditioner; when the air conditioner is heating, the evaporator of the air conditioner installed indoors blows out hot air, and the condenser of the air conditioner installed outdoors blows out cold air. Thus, the cold source 101 includes the condenser of the air conditioner, and the heat source 102 includes the evaporator of the air conditioner.

[0037] In this way, the utility model can reuse the energy of the evaporator and condenser of the air conditioner, thereby recovering the waste heat and waste cold of the air conditioner, reducing the impact of heat emitted during cooling or heating of the air conditioner on the surrounding environment, and achieving energy saving and emission reduction.

[0038] In other embodiments, any electrical appliance that can generate waste heat or waste cold during use can be used as an energy source 10, such as a refrigerator motor that generates waste heat, a water heater that generates waste heat, and a stove that generates waste heat. In this way, the temperature difference power generation component 30 is used to generate electricity, thereby reusing the waste heat of other household appliances.

[0039] It can be understood that as long as there is a temperature difference between the cold source energy storage device 201 and the heat source energy storage device 202, power generation can be performed using the temperature difference power generation component 30. The "cold source 101" mentioned above is an energy source 10 with a lower temperature than the "heat source 102", and the "heat source 102" mentioned above is an energy source 10 with a higher temperature than the "cold source 101".

[0040] In this way, the cold source energy storage 201 can be in a water-cooled state. As long as the temperature of the heat source energy storage 202 is higher than that of the cold source energy storage 201, the cold source energy storage 201 can exchange heat with municipal water, and the heat source energy storage 202 can exchange heat with the waste heat of the electrical appliance to maintain a high temperature, and the temperature difference power generation component 30 is used to generate electricity, thereby realizing the recovery and utilization of the waste heat of the electrical appliance.

[0041] Furthermore, in other embodiments, the heat source energy storage device 202 is used as an energy storage station or an energy storage unit, so that municipal electricity is stored in the heat source energy storage device 202, and peak-shifting electricity consumption can be achieved.

[0042] In an embodiment of the utility model, the temperature difference power generation type household appliance energy utilization device includes an external heat exchange component 40, which is arranged between the energy source 10 and the energy storage component 20, and the energy source 10 realizes heat exchange with the energy storage component 20 through the external heat exchange component 40.

[0043] In an embodiment of the utility model, the external heat exchange component 40 includes a first external heat exchange tube 401 and a second external heat exchange tube 402, and the first external heat exchange tube 401 and the second external heat exchange tube 402 are filled with heat exchange liquid. The first external heat exchange tube 401 is connected to the cold source 101 and the cold source energy storage device 201, and the second external heat exchange tube 402 is connected to the heat source 102 and the heat source energy storage device 202.

[0044] Preferably, the first external heat exchange tube 401 and the second external heat exchange tube 402 are both metals with relatively high thermal conductivity, such as copper, iron, aluminum and other metals; the heat exchange liquid is water, ethylene glycol, oil or alcohol, etc., whichever can achieve rapid heat exchange.

[0045] In this way, the first external heat exchange tube 401 and the second external heat exchange tube 402 can be used to form a heat exchange network, all electrical appliances that can generate waste cooling are connected to the cold source energy storage device 201, and all electrical appliances that can generate waste heat are connected to the hot source energy storage device 202, so as to utilize the waste cooling and waste heat of the household appliances.

[0046] In the embodiment of the utility model, the temperature difference power generation type household appliance energy utilization device includes an internal heat exchange component 50, the internal heat exchange component 50 includes a first internal heat exchange tube 501 and a second internal heat exchange tube 502; the cold source energy storage device 201 includes a first phase change energy storage liner 2011, and the cold source energy storage device 201 is provided with a first internal heat exchange tube 501, and the first internal heat exchange tube 501 is arranged between the first phase change energy storage liner 2011 and the first external heat exchange tube 401, and the cold source energy storage device 201 includes a first phase change energy storage liner 2011, and the first internal heat exchange tube 501 is arranged between the first phase change energy storage liner 2011 and the first external heat exchange tube 401. The heat source accumulator 201 exchanges heat with the first external heat exchange tube 401 through the first internal heat exchange tube 501; the heat source accumulator 202 includes a second phase change energy storage liner 2021, and a second internal heat exchange tube 502 is arranged inside the heat source accumulator 202. The second internal heat exchange tube 502 is arranged between the second phase change energy storage liner 2021 and the second external heat exchange tube 402, and the heat source accumulator 202 exchanges heat with the second external heat exchange tube 402 through the second internal heat exchange tube 502.

[0047] Specifically, a portion of the first internal heat exchange tube 501 is inserted into the interior of the first phase change energy storage liner 2011, and the portion of the first internal heat exchange tube 501 inserted into the interior of the first phase change energy storage liner 2011 is arranged in a serpentine shape, thereby increasing the contact area between the first internal heat exchange tube 501 and the first phase change energy storage liner 2011, and another portion of the first internal heat exchange tube 501 contacts the first external heat exchange tube 401 to achieve heat exchange; a portion of the second internal heat exchange tube 502 is inserted into the interior of the second phase change energy storage liner 2021, and the portion of the second internal heat exchange tube 502 inserted into the interior of the second phase change energy storage liner 2021 is arranged in a serpentine shape, thereby increasing the contact area between the second internal heat exchange tube 502 and the second phase change energy storage liner 2021, and another portion of the second internal heat exchange tube 502 contacts the second external heat exchange tube 402 to achieve heat exchange.

[0048] More specifically, the first internal heat exchange tube 501 and the first external heat exchange tube 401 may directly contact and exchange heat, or may indirectly contact and exchange heat via a heat exchange plate or heat exchange fin or heat exchange liquid, depending on actual conditions and is not limited thereto.

[0049] Preferably, the first internal heat exchange tube 501 and the second internal heat exchange tube 502 are both closed pipes, and the heat exchange liquids in the first internal heat exchange tube 501 and the second internal heat exchange tube 502 are both oil or ethylene glycol. During the repeated heat exchange process, only a small amount of dirt is generated by the oil or ethylene glycol, the flow of the heat exchange liquid is smooth, and the heat exchange efficiency is high. In order to accelerate the circulation of the heat exchange liquid in the first internal heat exchange tube 501 and the second internal heat exchange tube 502, a pump body 80 is provided on the first internal heat exchange tube 501 and the second internal heat exchange tube 502.

[0050] In an embodiment of the utility model, the temperature difference power generation type household appliance energy utilization device includes a water tank 60, a first external heat exchange tube 401 and a second external heat exchange tube 402 are arranged in parallel, and the first external heat exchange tube 401 and the second external heat exchange tube 402 are both connected to the same water tank 60.

[0051] In this way, the first external heat exchange tube 401 and the second external heat exchange tube 402 realize the circulation of the heat exchange liquid through the water tank 60. The water tank 60 can be used to easily replace the heat exchange liquid, and the heat exchange liquid can be municipal water at this time. Of course, in some other embodiments, the first external heat exchange tube 401 and the second external heat exchange tube 402 are both closed circulation pipes, and the heat exchange liquid is continuously circulated and heat exchanged therein, and the heat exchange liquid is generally oil at this time.

[0052] In order to control the heat exchange liquid in the first external heat exchange tube 401 and the second external heat exchange tube 402, a control valve 70 is provided on the first external heat exchange tube 401 and the second external heat exchange tube 402; in order to accelerate the circulation of the heat exchange liquid in the first external heat exchange tube 401 and the second external heat exchange tube 402, a pump body 80 is provided on the first external heat exchange tube 401 and the second external heat exchange tube 402.

[0053] Specifically, in order to increase the heat exchange contact area, the first external heat exchange tube 401 is arranged around the outside of the cold source 101, and the first external heat exchange tube 401 extends into the interior of the cold source energy storage device 201, and the heat exchange between the cold source 101 and the cold source energy storage device 201 is realized by the flow of the heat exchange liquid in the first heat exchange tube. The second external heat exchange tube 402 is arranged around the outside of the heat source 102, and the second external heat exchange tube 402 extends into the interior of the heat source energy storage device 202, and the heat exchange between the heat source 102 and the heat source energy storage device 202 is realized by the flow of the heat exchange liquid in the second external heat exchange tube 402.

[0054] In the embodiment of the present utility model, the first phase change energy storage liner 2011 and the second phase change energy storage liner 2021 are both filled with phase change materials.

[0055] In the embodiment of the utility model, the phase change material is a hydrated salt phase change material or a wax phase change material.

[0056] In the embodiment of the utility model, the cold source energy storage device 201 further includes a first thermal insulation layer 2012 , and the first thermal insulation layer 2012 is covered on the outside of the first phase change energy storage liner 2011 ; thus, the first phase change energy storage liner 2011 can insulate the first phase change energy storage liner 2011 .

[0057] In the embodiment of the utility model, the heat source energy storage device 202 further includes a second thermal insulation layer 2022 , and the second thermal insulation layer 2022 is covered on the outside of the second phase change energy storage liner 2021 ; thus, the second phase change energy storage liner 2021 can insulate the second phase change energy storage liner 2021 .

[0058] Specifically, the first insulation layer 2012 and the second insulation layer 2022 can be formed of insulation materials. Currently commonly used insulation materials mainly include expanded polystyrene boards, extruded polystyrene boards, rubber powder polystyrene particle insulation slurry, polyurethane foam materials, rock wool boards, etc.; the first insulation layer 2012 and the second insulation layer 2022 can also be vacuum layers, and insulation is achieved by setting up vacuum layers; the specific forms of the first insulation layer 2012 and the second insulation layer 2022 are selected according to actual conditions, and are not limited to this.

[0059] In an embodiment of the utility model, the temperature difference power generation component 30 includes a first electric conductor 301 and a second electric conductor 302. The first electric conductor 301 and the second electric conductor 302 are electrically connected to form a closed loop. The first connector of the first electric conductor 301 and the second electric conductor 302 is arranged on the cold source energy storage device 201 to form a low-temperature connector 303. The second connector of the first electric conductor 301 and the second electric conductor 302 is arranged on the hot source energy storage device 202 to form a high-temperature connector 304. There is a temperature difference between the low-temperature connector 303 and the high-temperature connector 304.

[0060] Specifically, the first connector between the first electrical conductor 301 and the second electrical conductor 302 is inserted into the first phase change energy storage liner 2011 or the first internal heat exchange tube 501 , and the second connector between the first electrical conductor 301 and the second electrical conductor 302 is inserted into the second phase change energy storage liner 2021 or the second internal heat exchange tube 502 .

[0061] More specifically, the first electrical conductor 301 and the second electrical conductor 302 are both metal conductors. The first electrical conductor 301 and the second electrical conductor 302 are not only heat-conducting but also electrically conductive. They can be conductors made of metal materials such as copper or iron. For example, the first electrical conductor 301 is a copper wire and the second electrical conductor 302 is an iron wire. The first connector of the first electrical conductor 301 and the second electrical conductor 302 is disposed on the cold source energy storage device 201. The first connector of the first electrical conductor 301 and the second electrical conductor 302 directly exchanges heat with the cold source energy storage device 201, thereby making the first electrical conductor 301 and the second electrical conductor 302 heat-conducting. The first connector of the first electric conductor 301 and the second electric conductor 302 is in a relatively low temperature environment to form a low temperature connector 303, for example, 5°C-20°C; the second connector of the first electric conductor 301 and the second electric conductor 302 is arranged on the heat source energy storage device 202, and the second connector of the first electric conductor 301 and the second electric conductor 302 directly exchanges heat with the heat source energy storage device 202, so that the second connector of the first electric conductor 301 and the second electric conductor 302 is in a relatively high temperature environment to form a high temperature connector 304, for example, 40°C-80°C, so that there is a temperature difference between the low temperature connector 303 and the high temperature connector 304.

[0062] It is understandable that as long as there is a temperature difference between the low temperature connector 303 and the high temperature connector 304 , temperature difference power generation can be achieved, which essentially utilizes the Seebeck effect. How to utilize the Seebeck effect to generate electricity is an existing technology and will not be elaborated here.

[0063] Specifically, by controlling the temperature difference between the low-temperature connector 303 and the high-temperature connector 304, power can be supplied to household appliances of different powers. In some application scenarios, night lights, induction lights, mobile phones, etc. can be supplied. In some application scenarios, exhaust fans, dehumidifiers, fans, etc. can be supplied. This not only recovers excess heat, but also provides clean energy for household appliances.

[0064] In other embodiments, the thermoelectric power generation component 30 may also use semiconductors to form an electrical circuit, such as P-type semiconductors and N-type semiconductors. How to form the electrical circuit depends on the actual application scenario.

[0065] In the embodiment of the utility model, the temperature difference power generation component 30 includes at least one power socket, which is electrically connected to each household appliance through the power socket, and the temperature difference power generation component 30 supplies power to each household appliance; each household appliance connected to the power socket of the temperature difference power generation component 30 is a load 90.

[0066] Example 2

[0067] See also Figure 5In the embodiment of the utility model, different from the embodiment 1, the first external heat exchange tube 401 and the second external heat exchange tube 402 are respectively connected to different water tanks 60, and the two water tanks 60 are isolated from each other.

[0068] In this way, the heat exchange liquid in the first external heat exchange tube 401 and the heat exchange liquid in the second external heat exchange tube 402 are isolated from each other, circulate separately, and will not mix with each other, which is beneficial for the first external heat exchange tube 401 to maintain a lower temperature state and for the second external heat exchange tube 402 to maintain a higher temperature state.

[0069] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A thermoelectric power generation type household appliance energy utilization device, characterized in that: include: An energy source, the energy source comprising a cold source and a heat source; An energy storage component, the energy storage component includes a cold source energy storage device and a heat source energy storage device, the cold source energy storage device is used to store energy from the cold source, the heat source energy storage device is used to store energy from the heat source, and there is a temperature difference between the cold source energy storage device and the heat source energy storage device; A temperature difference power generation component is arranged between the cold source energy storage device and the heat source energy storage device.

2. The thermoelectric power generation type household appliance energy utilization device according to claim 1, characterized in that: The cold source includes a refrigeration function module of a household electrical appliance and / or a municipal water pipe, and the heat source includes a heating function module of a household electrical appliance.

3. The thermoelectric power generation type household appliance energy utilization device according to claim 1, characterized in that: It comprises an external heat exchange component, which is arranged between the energy source and the energy storage component, and the energy source exchanges heat with the energy storage component through the external heat exchange component.

4. The thermoelectric power generation type household appliance energy utilization device according to claim 3, characterized in that: The external heat exchange component includes a first external heat exchange tube and a second external heat exchange tube, the first external heat exchange tube and the second external heat exchange tube are filled with heat exchange liquid, the first external heat exchange tube is connected to the cold source and the cold source energy storage device, and the second external heat exchange tube is connected to the heat source and the heat source energy storage device.

5. The thermoelectric power generation type household appliance energy utilization device according to claim 4, characterized in that: comprising an internal heat exchange assembly, the internal heat exchange assembly comprising a first internal heat exchange tube and a second internal heat exchange tube; The cold source energy accumulator comprises a first phase change energy storage inner tank, the first internal heat exchange tube is arranged inside the cold source energy accumulator, the first internal heat exchange tube is arranged between the first phase change energy storage inner tank and the first external heat exchange tube, and the cold source energy accumulator realizes heat exchange with the first external heat exchange tube through the first internal heat exchange tube; The heat source energy storage device includes a second phase change energy storage inner tank, the interior of the heat source energy storage device is provided with the second internal heat exchange tube, the second internal heat exchange tube is arranged between the second phase change energy storage inner tank and the second external heat exchange tube, and the heat source energy storage device realizes heat exchange with the second external heat exchange tube through the second internal heat exchange tube.

6. The thermoelectric power generation type household appliance energy utilization device according to claim 5, characterized in that: comprising a water tank, wherein the first external heat exchange tube and the second external heat exchange tube are arranged in parallel, and the first external heat exchange tube and the second external heat exchange tube are both connected to the same water tank; Alternatively, the first external heat exchange tube and the second external heat exchange tube are respectively connected to different water tanks, and the two water tanks are isolated from each other.

7. The thermoelectric power generation type household appliance energy utilization device according to claim 5, characterized in that: The first phase-change energy storage liner and the second phase-change energy storage liner are both filled with phase-change materials.

8. The thermoelectric power generation type household appliance energy utilization device according to claim 7, characterized in that: The phase change material is a hydrated salt phase change material or a wax phase change material.

9. The thermoelectric power generation type household appliance energy utilization device according to claim 1, characterized in that: The temperature difference power generation component includes a first electrical conductor and a second electrical conductor, the first electrical conductor and the second electrical conductor are electrically connected to form a closed loop, a first connector between the first electrical conductor and the second electrical conductor is arranged on the cold source energy storage device to form a low-temperature connector, and a second connector between the first electrical conductor and the second electrical conductor is arranged on the hot source energy storage device to form a high-temperature connector, and there is a temperature difference between the low-temperature connector and the high-temperature connector.

10. The thermoelectric power generation type household appliance energy utilization device according to claim 9, characterized in that: The temperature difference power generation component includes at least one power socket, which is electrically connected to each household appliance through the power socket, and the temperature difference power generation component supplies power to each household appliance.

Images