CN214841074U

CN214841074U - Solar energy heat storage heat pump hot water unit applied to household heating

Info

Publication number: CN214841074U
Application number: CN202121625043.0U
Authority: CN
Inventors: 贾浩博
Original assignee: Aikeer New Energy Technology Co ltd
Current assignee: Aikeer New Energy Technology Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2021-11-23
Anticipated expiration: 2031-07-16

Abstract

The utility model provides a solar energy heat storage and connection heat pump hot water unit applied to household heating, which comprises a solar energy heat collection evaporator and a heat storage and connection heat pump; the solar heat collection evaporator comprises a solar heat collection plate and a solar heat collection pipe, wherein the solar heat collection pipe is welded on the back of the solar heat collection plate; the heat storage and connection heat pump part comprises a shell, the shell is divided into an upper area and a lower area by a middle partition plate, the upper area is a sealed box body, and a coil condenser is arranged in the upper area; the upper end in the upper area is provided with a hot water conduit which is connected with a hot water outlet arranged on the shell, and the shell of the upper area is provided with a cold water inlet; a compressor and a throttle expansion valve are installed in the lower area. The utility model has small heat loss, reduces the system cost, can increase the heat collection area of the system, obtains enough sunlight heat energy of the room heat load, and saves auxiliary high-grade energy; has the advantages of low price, high efficiency, environmental protection and energy saving.

Description

Solar energy heat storage heat pump hot water unit applied to household heating

Technical Field

The utility model relates to a heating equipment technical field, concretely relates to be applied to solar energy of dividing family's heating and hold antithetical couplet heat pump hot water unit.

Background

In order to deal with the environmental problem, the world has entered a carbon reduction era, so China also determines the targets of '3060' carbon peak reaching and carbon neutralization, develops new energy to replace fossil energy, and becomes an important way for reducing carbon emission. In China, winter heating closely related to people's life mostly depends on coal, which causes high importance of China on clean energy to replace coal-fired heating, a great deal of trial and popularization are made in recent years, and particularly, a low-price and low-consumption household heating mode is provided in vast rural areas far away from urban heat supply networks and southern areas which are not suitable for centralized heating, so that the household heating mode is a strong appeal of the market.

Solar energy is as clean energy, if can rational utilization, surely can solve winter heating problem, though among the prior art, has used solar energy to carry out the constructional device of winter heating, nevertheless: the existing scheme generally utilizes a full-glass vacuum tube to absorb solar radiation to generate hot water, and the hot water releases heat to heat a room through end equipment; when the temperature of hot water required by heating cannot be reached, the water needs to be supplemented by other energy sources.

The existing solar heating mode generally has the following problems:

firstly, due to the limitation of material cost, the solar heat collection area arranged in the system is limited, more solar energy cannot be collected, the heat conversion is less, the additional high-grade energy is increased, and the operation cost is increased;

secondly, the system runs at a relatively high temperature, so that the heat of the solar energy is lost too much to the environment, the heat loss is increased, the effective sunlight heat energy really used for room heating is reduced, and the heat efficiency of the system is reduced; in addition, the potential safety hazard that the waterway is frozen in winter severe cold weather exists.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be applied to solar energy of dividing family's heating and hold antithetical couplet heat pump hot water unit to reach and reduce the heat loss, no pipeline freezes the purpose.

A solar energy storage heat pump hot water unit applied to household heating is characterized by comprising a solar energy heat collection evaporator and a storage heat pump;

the solar heat collection evaporator comprises a solar heat collection plate and a solar heat collection pipe, wherein the solar heat collection pipe is welded on the back of the solar heat collection plate;

the heat storage and connection heat pump part comprises a shell, the shell is divided into an upper area and a lower area by a middle partition plate, the upper area is a sealed box body, and a coil condenser is arranged in the upper area; the upper end in the upper area is provided with a hot water conduit which is connected with a hot water outlet arranged on the shell, and the shell of the upper area is provided with a cold water inlet;

the lower area is provided with a compressor and a throttle expansion valve;

the solar heat collecting pipe is connected with a medium liquid pipe and a medium steam pipe, the medium liquid pipe is connected with a throttling expansion valve, and then is connected with a coil condenser; the medium steam pipe is connected to the coil condenser after being connected to the compressor; the solar heat collecting pipe, the medium liquid pipe, the medium steam pipe, the compressor, the coil pipe condenser and the throttle expansion valve form a refrigerant working medium circulation loop, and the refrigerant working medium is filled in a circulation loop system.

Furthermore, the solar heat collecting pipes are copper pipes which are regularly distributed, and the surfaces of the solar heat collecting pipes are coated with solar heat absorbing materials.

Furthermore, an electric auxiliary heating pipe is arranged in the upper area.

The utility model discloses a theory of operation and beneficial effect: the refrigerant working medium directly absorbs solar radiation heat in the solar heat collection evaporator, the surface temperature of the heat collection evaporator is relatively low, the temperature difference with the environment is small, and the heat loss is small, so that the heat preservation of a cover plate and a bottom plate is not needed, the manufacturing cost of the system is reduced, the heat collection area of the system can be enlarged, sufficient sunlight heat energy of the heat load of a room can be obtained, auxiliary high-grade energy is saved, the heat can be stored when the sunlight is sufficient, the heat can be used when the sunlight radiation does not exist, and the purpose of long-time continuous heating is achieved; the system has the advantages of low price, high efficiency, environmental protection and energy saving, and because the circulating loop system is filled with the refrigerant, the system can not be frozen under severe cold conditions in winter.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1. a solar collector panel; 2. a solar heat collecting pipe; 3. a medium liquid pipe; 4. a medium vapor pipe; 5. a housing; 6. a middle partition plate; 7. a coil condenser; 8. a hot water conduit; 9. a hot water outlet; 10. a cold water inlet; 11. a compressor; 12. a throttle expansion valve; 13. an electric auxiliary heating tube.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments.

Example 1

Referring to the attached drawings, the solar heat storage and connection heat pump hot water unit applied to household heating is characterized by comprising a solar heat collection evaporator and a heat storage and connection heat pump; the solar heat collection evaporator comprises a solar heat collection plate 1 and a solar heat collection pipe 2, the solar heat collection pipe 2 is welded on the back side of the solar heat collection plate 1, the solar heat collection pipe 1 is a copper pipe which is regularly distributed, and a solar heat absorption material is coated on the surface of the solar heat collection plate 2; the heat storage and connection pump part comprises an outer shell 5, the outer shell 5 is divided into an upper area and a lower area by a middle partition plate 6, the upper area is a sealed box body, a coil condenser 7 is arranged in the upper area, a hot water guide pipe 8 is arranged at the upper end in the upper area and connected to a hot water outlet 9 formed in the outer shell, and a cold water inlet 9 is arranged at the lower part of the same side on the shell of the upper area; a compressor 11 and a throttle expansion valve 12 are arranged in the lower area;

a medium liquid pipe 3 and a medium steam pipe 4 are connected in the solar heat collecting pipe 2; after the medium steam pipe 4 is connected to the input end of the compressor 11, the output end of the compressor 11 is connected to the upper end of the coil condenser 7; the lower end of the coil condenser 7; the medium liquid pipe 3 is connected after the throttle expansion valve 12;

the solar heat collecting pipe 2, the medium liquid pipe 3, the medium steam pipe 4, the compressor 11, the coil condenser 7 and the throttle expansion valve 12 form a refrigerant working medium circulation loop, and the refrigerant working medium is filled in the circulation loop system.

Example 2

On the basis of the structure of the embodiment 1, an electric auxiliary heating pipe 13 is arranged in the upper area.

When the solar water heater is used, sunlight irradiates on a solar heat collection evaporator, a solar heat collection plate 1 absorbs sunlight radiation heat and transmits the sunlight radiation heat to a solar heat collection tube 2, a refrigerant working medium in the solar heat collection tube 2 absorbs heat and evaporates, the state of low-temperature low-pressure liquid is changed into a low-temperature low-pressure gas state, the low-temperature low-pressure gas is sucked by a compressor 11 through a medium steam tube 4, the low-temperature low-pressure gas is compressed by the compressor 11 to do work, the high-temperature high-pressure gas is transmitted to a coil condenser 7 to heat heating circulating water from a cold water inlet 10 of a heating room, and the heated water is transmitted to the room through a hot water guide tube 8 and a hot water outlet 9, so that the purpose of continuously heating the room is achieved; meanwhile, high-temperature and high-pressure gas in the coil condenser 7 is condensed into high-pressure and high-temperature liquid after releasing heat, the high-pressure and high-temperature liquid is changed into low-pressure and low-temperature liquid after passing through the throttle expansion valve 12, the low-pressure and low-temperature liquid is supplied to the solar heat collection evaporator through the medium liquid pipe 3, and the low-pressure and high-temperature liquid and the refrigerant working medium in the solar heat collection pipe 2 form a medium circulation loop to complete circulation and continuous operation.

When the heat load of heating the room cannot be completed by sunlight heat energy in continuous rainy days or at night when sunlight is insufficient, the electric auxiliary heating pipe 13 is opened to supplement heat by electric power, so that the purpose of continuously heating the room is achieved.

Claims

1. A solar energy storage heat pump hot water unit applied to household heating is characterized by comprising a solar energy heat collection evaporator and a storage heat pump;

the lower area is provided with a compressor and a throttle expansion valve;

2. The solar heat storage and connection heat pump hot water unit applied to household heating according to claim 1, wherein the solar heat collection pipes are copper pipes which are regularly distributed, and the surfaces of the solar heat collection pipes are coated with solar heat absorption materials.

3. The solar heat storage and connection heat pump hot water unit for household heating according to claim 1, wherein an electric auxiliary heating pipe is arranged in the upper area.