CN211668023U - Air source heat pump water heater with phase change material for heat storage - Google Patents

Air source heat pump water heater with phase change material for heat storage Download PDF

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Publication number
CN211668023U
CN211668023U CN202020173639.0U CN202020173639U CN211668023U CN 211668023 U CN211668023 U CN 211668023U CN 202020173639 U CN202020173639 U CN 202020173639U CN 211668023 U CN211668023 U CN 211668023U
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China
Prior art keywords
heat
box body
phase change
refrigerant
water inlet
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Withdrawn - After Issue
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CN202020173639.0U
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Chinese (zh)
Inventor
冯建华
王勇
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Zhejiang Bailisheng New Energy Technology Co ltd
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Zhejiang Bailisheng New Energy Technology Co ltd
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Abstract

The utility model discloses an air source heat pump water heater with phase change material heat storage, which comprises a box shell, a heat preservation layer, an internal box body, a heat storage chamber, a heat conducting medium, a phase change layer, a water inlet pipe, a water outlet pipe, a plate heat exchanger, a controller, a temperature sensor, a water inlet, a water outlet, a refrigerant inlet, a refrigerant outlet, a host and a refrigerant pipeline, wherein the temperature sensor is arranged at the center of one side of the outside of the internal box body, the heat conducting medium is respectively arranged at the two sides of the internal center of the internal box body, the refrigerant pipeline is arranged at the center of the inside of the internal box body, the water inlet pipe and the water outlet pipe are respectively arranged at the two sides of the internal box body, the heat storage chamber is respectively arranged at the two sides of the inside of the internal box body, and the phase change layer is filled in the internal of, the energy is saved, the use cost of people can be saved, and the environment is protected.

Description

Air source heat pump water heater with phase change material for heat storage
Technical Field
The utility model relates to a water heater technical field specifically is an air source heat pump water heater of phase change material heat accumulation.
Background
The current air source heat pump water heater has a big problem of water heater installation, and a household air source heat pump water heater usually needs a big cylindrical water tank to heat and store hot water. The common water tank needs 150L-400L, and only the air source heat pump water heater can be installed on a balcony or a bay window, so that the large-size water tank is not easy to coordinate with the whole household. In reality, the device is vertically installed, and needs to occupy expensive space; the wall-mounted water tank with hundreds of kilograms has potential safety hazards on the wall, so that the air source heat pump water heater with the phase-change material for storing heat is necessary to design.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air source heat pump water heater of phase change material heat accumulation to solve the problem that proposes among the above-mentioned background art.
In order to solve the technical problem, the utility model provides a following technical scheme: an air source heat pump water heater storing heat by phase change materials comprises a box body shell, a heat preservation layer, an inner box body, heat storage bins, heat conducting media, a phase change layer, water inlet and outlet pipes, a plate type heat exchanger, a controller, a temperature sensor, a water inlet, a water outlet, a refrigerant inlet, a refrigerant outlet, a host and refrigerant pipelines, wherein the temperature sensor is arranged at the center of one side of the outer part of the inner box body, the heat conducting media are respectively arranged at two sides of the inner center of the inner box body, the refrigerant pipelines are arranged at the center of the inner part of the inner box body, the water inlet and outlet pipes are respectively arranged at two sides of the inner center of the inner box body and are positioned at the inner sides of the heat conducting media corresponding to each other, the heat storage bins are respectively arranged at two sides of the inner part of the inner box body, the phase change layer is filled in the heat storage bins, the other ends of the refrigerant inlet and the refrigerant outlet are respectively and fixedly connected with one end of a refrigerant pipeline, and the bottom ends of the water inlet and outlet pipes are respectively and fixedly connected with one ends of the water inlet and the water outlet.
Furthermore, the inside of the box shell is provided with an internal box body, and a cavity formed by the box shell and the heat preservation layer is filled with a heat preservation layer.
Furthermore, the other ends of the water inlet and the water outlet are respectively positioned outside the box body shell, and the controller is installed at the bottom end inside the box body shell.
Further, the host computer includes compressor, heat exchanger, expansion valve, liquid storage pot, flow controller, filter, air filter and fan.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model converts the low temperature heat energy in the air into high temperature heat energy through the compressor, and compared with an electric heater water heater, the utility model saves the electric energy to the maximum extent by taking the same hot water manufacturing amount as the reference, and the use cost is only one fourth of that of the electric heater water heater; compared with a gas water heater, the gas water heater does not consume any gas fuel, the use cost is only one third of that of the gas water heater, the air is taken as a main body, the energy is saved, the use cost of people can be saved, and the environment is protected.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an overall top cross-sectional view of the present invention;
FIG. 3 is an overall side cross-sectional view of the present invention;
FIG. 4 is an overall front cross-sectional view of the present invention;
in the figure: 1. a case body shell; 2. a heat-insulating layer; 3. an inner box; 4. a heat storage bin; 5. a heat-conducting medium; 6. a phase change layer; 7. a water inlet pipe and a water outlet pipe; 8. a plate heat exchanger; 9. a controller; 10. a temperature sensor; 11. a water inlet; 12. a water outlet; 13. a refrigerant inlet; 14. a refrigerant outlet; 15. a host; 16. a refrigerant pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an air source heat pump water heater with phase change material heat storage comprises a box body shell 1, a heat insulation layer 2, an inner box body 3, a heat storage bin 4, a heat conducting medium 5, a phase change layer 6, a water inlet and outlet pipe 7, a plate heat exchanger 8, a controller 9, a temperature sensor 10, a water inlet 11, a water outlet 12, a refrigerant inlet 13, a refrigerant outlet 14, a host computer 15 and a refrigerant pipeline 16, wherein the inner box body 3 is installed inside the box body shell 1, the heat insulation layer 2 is filled in a cavity formed by the box body shell 1 and the heat insulation layer 2, the heat insulation layer 2 is made of polyurethane foam, polyethylene foam or rock wool and the like, the temperature sensor 10 is installed in the center of one side of the outer portion of the inner box body 3, the temperature of the phase change layer 6 is sensed through the temperature sensor 10, the host computer 15 stops running in a reasonable temperature range after the phase change layer 6 is fully completed through, the water heater is characterized in that heat-conducting media 5 are respectively arranged on two sides of the inner center of the inner box body 3, a refrigerant pipeline 16 is arranged at the inner center of the inner box body 3, water inlet and outlet pipes 7 are respectively arranged on two sides of the inner center of the inner box body 3, the water inlet and outlet pipes 7 are positioned on the inner sides of the heat-conducting media 5 corresponding to each other, heat storage bins 4 are respectively arranged on two sides of the inner part of the inner box body 3, phase change layers 6 are filled in the heat storage bins 4, the heat storage bins 4 are made of metal materials with high pressure resistance and corrosion resistance and high heat conduction efficiency, the phase change layers 6 are made of high-energy-storage-density and high-heat-conductivity composite nanometer phase change materials through high-pressure molding, the phase change materials are preferably made of high phase change latent heat, inorganic phase change materials with heat conduction performance superior to organic phase change materials and support structure, as the inorganic phase-change material can generate supercooling and phase separation in the phase-change heat storage-release process, the composite phase-change material is prepared by adding the thickening agent and the nucleating agent, and the selected inorganic phase-change material is mainly one or the combination of more than one of the following materials: sodium sulfate decahydrate, barium hydroxide octahydrate, chromium nitrate tetrahydrate, ammonium alum, aluminum potassium sulfate dodecahydrate, sodium carbonate decahydrate, sodium tetraborate, potassium phosphate heptahydrate, sodium acetate trihydrate, sodium hydrogen phosphate decahydrate, aluminum sulfate octadecahydrate, disodium hydrogen phosphate decahydrate, calcium chloride hexahydrate, magnesium nitrate hexahydrate and the like, sodium pyrophosphate or barium carbonate is used as a nucleating agent, sodium carboxymethylcellulose is used as a thickening agent to prepare a composite phase change material under certain working condition conditions, the phase change temperature is within the range of 20-118 ℃, the composite phase change material can also be prepared by an organic phase change material and a high-thermal-conductivity support structure material under specific temperature and pressure conditions, the organic phase change material is one or a combination of a plurality of materials, such as polyethylene glycol of alcohols, erythritol, palmitic acid, capric acid, lauric acid and alkane paraffin wax of fatty acids, and an Expanded Graphite (EG) or activated carbon particle (ACG) support material with good adsorbability and thermal conductivity, the phase change material with different molecular weights, high density and high heat conduction is prepared by adopting a physical absorption and addition melting blending method, the phase change temperature is within the range of 20-118 ℃, the phase change layer 6 adopts a high-pressure forming process, the storage capacity of the phase change material in unit volume is greatly improved, the energy storage is increased, the top end inside the box body shell 1 is provided with a host computer 15, the bottom end of the host computer 15 is fixedly connected with one end of a refrigerant inlet 13 and one end of a refrigerant outlet 14 respectively, the host computer 15 comprises a compressor, a heat exchanger, an expansion valve, a liquid storage tank, a restrictor, a filter, an air filter screen and a fan, cold air exhausted after the host computer 15 absorbs heat energy in air is directly exhausted by the fan or exhausted to other rooms in the room through an exhaust pipeline for cooling in summer, the other ends of the refrigerant inlet 13 and the refrigerant outlet 14 are fixedly connected with one end of a refrigerant pipeline 16, the bottom end of the water inlet and outlet pipe 7 is fixedly connected with one end of a water inlet 11 and one end of a water outlet 12 respectively, the other end of the water inlet 11 and the other end of the water outlet 12 are positioned outside the box body shell 1 respectively, and the bottom end inside the box body shell 1 is provided with a controller 9; when the utility model is used, the cathodes of the plate heat exchanger 8, the controller 9, the temperature sensor 10 and the host 15 are electrically connected with the cathode of the power supply and the anodes of the plate heat exchanger 8, the controller 9, the temperature sensor 10 and the host 15 are electrically connected with the anode of the power supply, when heat storage is carried out, the power is switched on, under the action of the fan, air enters the host 15 from the air inlet side through the filter to absorb low-temperature heat in the air to heat a low-boiling-point working medium (refrigerant) and evaporate the low-boiling-point working medium, refrigerant steam enters the heat storage and release internal box body 3 from the refrigerant inlet 13 through the refrigerant pipeline 16 and is liquefied by the plate heat exchanger 8 to release heat to the heat conducting medium 5, meanwhile, the heat storage bin 4 is heated to store heat for the phase change layer 6, the refrigerant enters the liquid storage tank through the refrigerant outlet 14 after being cooled, and then enters the liquid storage tank through the throttle to reduce the pressure and return, when hot water is used, cold water enters the inner box body 3 for storing and releasing heat of the box body through the water inlet 11, the heat energy of the high-temperature heat-conducting medium 5 is absorbed through the plate heat exchanger 8, the heat energy is continuously absorbed from the phase change layer 6 by the heat-conducting medium 5 along with the continuous absorption and the discharge of the heat energy, the cold water is heated to high-temperature hot water, and the high-temperature hot water flows out through the water outlet 12; the phase change layer 6 continuously releases heat, when the temperature is reduced below the phase change temperature or reaches the temperature compensation temperature range set by the system, the host 15 is started to work to perform heat compensation, and meanwhile, the normal hot water supply is met.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. The utility model provides an air source heat pump water heater of phase change material heat accumulation, includes box shell (1), heat preservation (2), inside box (3), heat storage storehouse (4), heat-conducting medium (5), phase transition layer (6), business turn over water pipe (7), plate heat exchanger (8), controller (9), temperature sensor (10), water inlet (11), delivery port (12), refrigerant import (13), refrigerant export (14), host computer (15) and refrigerant pipeline (16), its characterized in that: a temperature sensor (10) is installed at the center of one side of the outside of the inner box body (3), heat-conducting media (5) are installed on two sides of the center of the inside of the inner box body (3) respectively, a refrigerant pipeline (16) is installed at the center of the inside of the inner box body (3), water inlet and outlet pipes (7) are installed on two sides of the center of the inside of the inner box body (3) respectively, the water inlet and outlet pipes (7) are located on the inner sides of the heat-conducting media (5) corresponding to each other, heat storage bins (4) are installed on two sides of the inside of the inner box body (3) respectively, phase change layers (6) are filled in the heat storage bins (4), a host (15) is installed at the top end of the inside of the box body shell (1), the bottom end of the host (15) is fixedly connected with one ends of a refrigerant inlet (13) and a refrigerant outlet (14) respectively, and the other ends of the refrigerant inlet, the bottom ends of the water inlet and outlet pipes (7) are respectively fixedly connected with one ends of the water inlet (11) and the water outlet (12).
2. The phase change material heat storage air source heat pump water heater of claim 1, wherein: the internal mounting of box shell (1) has inside box (3), and has filled in the cavity that box shell (1) and heat preservation (2) formed heat preservation (2).
3. The phase change material heat storage air source heat pump water heater of claim 1, wherein: the other ends of the water inlet (11) and the water outlet (12) are respectively positioned outside the box body shell (1), and the controller (9) is installed at the bottom end inside the box body shell (1).
4. The phase change material heat storage air source heat pump water heater of claim 1, wherein: the host (15) comprises a compressor, a heat exchanger, an expansion valve, a liquid storage tank, a restrictor, a filter, an air filter screen and a fan.
CN202020173639.0U 2020-02-17 2020-02-17 Air source heat pump water heater with phase change material for heat storage Withdrawn - After Issue CN211668023U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020173639.0U CN211668023U (en) 2020-02-17 2020-02-17 Air source heat pump water heater with phase change material for heat storage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020173639.0U CN211668023U (en) 2020-02-17 2020-02-17 Air source heat pump water heater with phase change material for heat storage

Publications (1)

Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111156699A (en) * 2020-02-17 2020-05-15 浙江百立盛新能源科技有限公司 Air source heat pump water heater with phase change material for heat storage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111156699A (en) * 2020-02-17 2020-05-15 浙江百立盛新能源科技有限公司 Air source heat pump water heater with phase change material for heat storage
CN111156699B (en) * 2020-02-17 2024-09-27 浙江百立盛新能源科技有限公司 Air source heat pump water heater with phase change material for heat storage

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