CN219550958U

CN219550958U - Heat pump water heater of refrigerator

Info

Publication number: CN219550958U
Application number: CN202320209348.6U
Authority: CN
Inventors: 王海卿; 王荣华
Original assignee: Shenyang Heat Transfer Cooling And Heating Technology Co ltd
Current assignee: Shenyang Heat Transfer Cooling And Heating Technology Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-08-18
Anticipated expiration: 2033-02-14

Abstract

The utility model discloses a heat pump water heater of a refrigerator, which comprises: the refrigerator comprises a refrigerator body, a refrigerator door, a refrigeration compressor, a condenser, an evaporator, a throttling device, a refrigerant, a water heater and a water storage container, wherein the refrigerant and the water storage container are sealed in the parts and the connecting pipelines; the refrigerator comprises a first phase-change latent heat storage material, wherein the phase-change latent heat storage material is arranged on a heat transfer surface on the inner side of a refrigerator body, a water storage container is provided with a water inlet for adding water into the refrigerator body and a water outlet for preventing the container from being water outwards, water in a water heater is heated through a condenser, the efficient utilization of electric energy is realized, the heat load of an indoor air conditioner in summer is reduced, the phase-change latent heat storage material is utilized, the time of each operation of a refrigerator compressor is increased, the starting times of the refrigeration compressor is reduced, the capacity for preparing hot water is enlarged, the refrigerator and the water heater are more balanced in use, more coordinated, more convenient and reliable, and the refrigerator has obvious effects of energy conservation, emission reduction and low carbon.

Description

Heat pump water heater of refrigerator

Technical Field

The utility model relates to the field of household appliances, in particular to a heat pump water heater of a refrigerator.

Background

The refrigerator and the water heater enter into thousands of families, the heat pump technology is utilized to transfer the low-temperature heat in the refrigerator and the electric energy input by the refrigerating compressor to the hot water of the water heater, so that the dual purposes of refrigerating the refrigerator and generating high-temperature domestic hot water are realized, but the requirements on the refrigerator and the hot water are difficult to unify because the working time of the compressor is inconsistent for the refrigerator and the water heater.

Disclosure of Invention

The technical scheme of the utility model is that the heat pump water heater of the refrigerator comprises: the refrigerator comprises a refrigerator body, a refrigerator door, a refrigeration compressor, a condenser, an evaporator, a throttling device, a refrigerant, a water heater and a water storage container, wherein the refrigerant and the water storage container are sealed in the parts and the connecting pipelines; the technical key points of the refrigerator comprise a first type of phase-change latent heat storage material, wherein the phase-change latent heat storage material is arranged on the heat transfer surface of the inner side of the refrigerator body and is in close contact with the refrigerator body; the condenser is fixed on the heat transfer surface of the water storage container of the water heater, and the water storage container is provided with a water inlet for adding water into the water storage container and a water outlet for discharging water outwards from the water storage container.

In the scheme, the method comprises the following steps: there is a second type of phase change latent heat storage material disposed on the heat transfer surface of the water heater reservoir.

In the scheme, the method comprises the following steps: the first phase change latent heat storage material arranged on the inner side heat transfer surface of the refrigerator body has various phase change temperatures which are respectively matched with the temperatures in the refrigerator bodies.

In the scheme, the method comprises the following steps: the phase change temperature of the phase change latent heat storage material arranged on the heat transfer surface of the water storage container of the water heater is matched with the control temperature of the water heater.

Advantageous effects

The utility model provides a heat pump water heater of a refrigerator, which utilizes low-temperature heat taken out from the refrigerator body and electric energy for driving a refrigeration compressor to operate, and water in the water heater is heated through a condenser, so that the high-efficiency utilization of the electric energy is realized, the refrigerating capacity of the refrigerator is obtained, the heat required by the water heater is obtained, only little electric energy is consumed, the heat discharged to the indoor environment in summer is reduced, the heat load of an indoor air conditioner in summer is reduced, a phase-change latent heat storage material is utilized, the time of each operation of the refrigerator compressor is increased, the starting times of the refrigeration compressor is reduced, the capacity of preparing hot water is enlarged, the use of the refrigerator and the water heater is more balanced, more coordinated, more convenience and reliability are realized, and the heat pump water heater has remarkable energy-saving and emission-reducing low-carbon effects.

Drawings

FIG. 1 is a schematic rear view of a heat pump water heater for a refrigerator according to embodiment 1 of the present utility model;

fig. 2 is a schematic side partial sectional view of embodiment 1 of a heat pump water heater for a refrigerator according to the present utility model.

In the figure: 1. a refrigerator body; 2. refrigerator door; 3. a refrigeration compressor; 4. a condenser; 5. an evaporator; 6. a throttle device; 7. a water storage container of the water heater; 8. a first phase change latent heat storage material; 9. a second phase change latent heat storage material; 10. a water inlet of the water heater; 11. a water outlet of the water heater; 20. drying the filter; 21. an auxiliary condenser; 22. freezing chamber of refrigerator; 23. a refrigerator refrigerating chamber.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, the present utility model provides a technical solution: the refrigerator comprises a refrigerator body 1, a refrigerator door 2, a refrigeration compressor 3, a condenser 4, an evaporator 5, a throttling device 6, a refrigerant and a water heater water storage container 7, wherein the refrigerant and the water heater water storage container 7 are sealed in the components and connecting pipelines of a refrigeration system, and the water heater water storage container comprises a first type of phase-change latent heat storage material 8, and the phase-change latent heat storage material 8 is arranged on the heat transfer surface of the inner side of the refrigerator body 1 and is in close contact with the heat transfer surface; the condenser 4 is fixed on the heat transfer surface of the water heater water storage container 7, and the water heater water storage container 7 is provided with a water inlet 10 for adding water into the water heater water storage container 7 and a water outlet 11 for discharging water from the water heater water storage container.

The heat transfer surface of the water heater water storage container 7 is provided with a second type of phase change latent heat storage material 9, and the phase change temperature of the material is matched with the control temperature of the hot water of the water heater.

The first type of phase change latent heat storage material 8 arranged on the inner side heat transfer surface of the refrigerator body 1 has various phase change temperatures which are respectively matched with the temperatures in the refrigerator bodies.

The embodiment further comprises a drier-filter 20 for solving process problems of the refrigeration system, an auxiliary condenser 21 for solving problems of too low and too high condensing pressure.

When the temperature of water in the water storage container 7 of the water heater is lower than the phase-change temperature of the second-class phase-change latent heat storage material, the second-class phase-change latent heat storage material 9 is in a solid state, when the temperature is higher than the phase-change temperature, the phase-change material is used for converting absorbed heat from the solid state to a liquid state, and when the water temperature in the water storage container 7 of the water heater is reduced, the liquid-state heat storage material 7 emits heat to heat the water, so that the water temperature is not reduced too quickly.

In this embodiment, various phase-change latent heat storage materials are installed in corrosion-resistant, strong and sealed materials, and installed on each required heat exchange surface, so as to ensure normal operation and corresponding service life.

When the embodiment works, the refrigerating compressor 3 of the refrigerator works normally, when the temperature of the freezing chamber 22 is lower than minus 20 ℃, the refrigerating chamber 23 is lower than 5 ℃ and the phase-change latent heat storage material 8 emits heat, the refrigerating chamber is converted from a liquid state to a solid state, cold energy is stored, the working time of the compressor 3 of the refrigerator is prolonged, when the refrigerating compressor 3 works in a refrigerating cycle, the condenser 4 continuously transmits the heat energy to water in the water storage container 7 of the water heater, the temperature of the water gradually reaches the temperature of domestic hot water, domestic hot water is provided for families, when the temperature of the water exceeds the phase-change temperature of the phase-change latent heat storage material 9 of the second type, the hot water transmits the heat energy to the phase-change latent heat storage material 9 of the second type, the water temperature is excessively increased, and when the hot water is not consumed for a long time, the auxiliary condenser plays a role of increasing the condensation effect of a refrigerating system, the condensation temperature of the system is reduced, and the working efficiency of the refrigerator is improved.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The heat pump water heater of the refrigerator comprises a refrigerator body (1) and a refrigerator door (2), a refrigeration compressor (3), a condenser (4), an evaporator (5), a throttling device (6), a refrigerant and a water heater water storage container (7) which are sealed in the components and connecting pipelines of the refrigeration system, and is characterized by comprising a first type of phase-change latent heat storage material (8), wherein the first type of phase-change latent heat storage material (8) is arranged on the heat transfer surface of the inner side of the refrigerator body (1) and is in close contact with the heat transfer surface; the condenser (4) is fixed on the heat transfer surface of the water storage container (7) of the water heater, and the water storage container (7) of the water heater is provided with a water inlet (10) for adding water into the water storage container and a water outlet (11) for discharging water outwards from the water storage container.

2. A refrigerator heat pump water heater as claimed in claim 1, characterised in that there is a second type of phase change latent heat storage material (9), said second type of phase change latent heat storage material (9) being provided on the heat transfer surface of the water heater water storage reservoir (7).

3. A heat pump water heater for refrigerator according to claim 1, wherein the first type of phase change latent heat storage material (8) provided on the inner side heat transfer surface of the refrigerator case has a plurality of phase change temperatures respectively corresponding to the temperatures in the respective cases of the refrigerator.

4. A refrigerator heat pump water heater as claimed in claim 2, characterised in that the phase change temperature of the second type of phase change latent heat storage material (9) provided on the heat transfer surface of the water heater water storage reservoir (7) is adapted to the control temperature of the water heater.