CN205332591U - Supplementary air source heat pump's of solar energy trigeminy supplies device - Google Patents

Abstract

The utility model belongs to the field of comprehensive utilization of thermal energy, and in particular relates to a triple supply device of a solar-assisted air-source heat pump, which includes a compressor connected through pipelines, a sleeve-type heat exchanger, an air-cooled heat exchanger for an outdoor unit, a liquid storage device, Drying filter, sight glass, expansion valve, indoor unit air-cooled heat exchanger, solar heat collector, circulating water pump and hot water tank, as well as several electromagnetic valves and check valves arranged in appropriate positions. The device provided by the utility model integrates the heating and cooling air conditioner, the heat pump water heater, and the solar water heater in one body, utilizes electric energy, solar energy, air and heat energy in the water to the greatest extent, and through reasonable control, the device can realize independent refrigeration and independent production. Multiple functions such as heating, separate hot water production, cooling and simultaneous domestic hot water production, heating and simultaneous domestic hot water production, using solar energy for heating and defrosting at the same time; the utilization rate of electric energy is high, renewable energy can be fully utilized, energy saving and environmental protection, Simple structure and reliable operation.

Description

A triple supply device for solar assisted air source heat pump

technical field

The utility model belongs to the field of comprehensive utilization of heat energy, and in particular relates to a triple supply device for a solar-assisted air-source heat pump.

Background technique

Currently, the heating and cooling air conditioners, heat pump water heaters, and solar collectors on the market are used independently. The condensation heat generated by the heating and cooling air conditioner is discharged into the air during cooling in summer, which not only wastes energy but also pollutes the environment. When heating in winter, the operating efficiency is not high in extreme weather; the air source heat pump water heater is efficient and energy-saving, and can provide hot water 24 hours a day , but the function is single; solar collectors can use solar energy to provide domestic hot water, which is energy-saving and environmentally friendly, but it cannot continue to heat domestic hot water at night.

Utility model content

Aiming at the shortcomings of the above three existing devices, the utility model patent provides a solar energy-assisted air source heat pump triple supply device, which can comprehensively utilize electric energy, solar energy, and heat energy in the air, etc., can effectively save electric energy and can be used for 24 hours. Provide domestic hot water intermittently.

The technical solution of the utility model for solving the above-mentioned technical problems is as follows: a triple supply device for solar-assisted air source heat pumps, including a compressor, a four-way valve, a casing heat exchanger and a hot water tank, the outlet of the compressor is connected to the four The first port of the one-way valve is connected, and the second port of the four-way valve is sequentially connected to the second solenoid valve, the air-cooled heat exchanger of the outdoor unit, the one-way valve one, the liquid reservoir, the dry filter, and the sight glass through the pipeline. , expansion valve, electromagnetic valve V, indoor unit air-cooled heat exchanger, electromagnetic valve VII, and finally communicate with the fourth interface of the four-way valve, and the third interface of the four-way valve is sequentially connected to gas and liquid through pipelines Separator and the inlet of the compressor; the fourth interface of the four-way valve is also connected to the solenoid valve six, the inner pipe of the casing heat exchanger, the one-way valve two and the liquid storage The expansion valve is also sequentially connected to the solenoid valve 3 and the outdoor unit air-cooled heat exchanger through the pipeline; the second interface of the four-way valve is also connected to the solenoid valve 1 and the casing type through the pipeline. The inner pipe of the heat exchanger, the air-cooled heat exchanger of the indoor unit is also connected to the check valve three and the liquid reservoir in sequence through the pipeline, and the expansion valve is also connected to the solenoid valve four and the sleeve in sequence through the pipeline The inner tube of the tubular heat exchanger; the hot water tank is provided with a domestic hot water outlet, a water replenishment outlet, a circulating water outlet and a circulating water return outlet, and the circulating water outlet is sequentially connected to the circulating water pump, solar energy The heat collector, the outer pipe of the casing heat exchanger and the circulating water return port. Compared with traditional valves, setting multiple solenoid valves has the advantage of realizing electrical control, which is convenient to use integrated circuit control.

On the basis of the above technical solutions, the utility model can also be improved as follows.

Further, a bypass pipe communicating with the circulating water return port is provided on the pipeline between the solar heat collector and the casing heat exchanger, and a control valve is provided on the bypass pipe. Setting the bypass pipe greatly shortens the flow of circulating water in the pipeline when the triple supply device provided by the utility model is used alone as a solar water heater, effectively reduces the flow resistance of circulating water, and reduces the power consumption at the circulating water pump.

Preferably, a three-way valve is provided on the pipeline between the solar heat collector and the sleeve-tube heat exchanger, and interface one of the three-way valve communicates with the solar heat collector through a pipeline, and the three-way valve Port 2 of the through valve communicates with the outer pipe of the casing heat exchanger through a pipeline, and port 3 of the three-way valve communicates with the circulating water return port through a bypass pipe.

Further, the three-way valve is an electric three-way valve.

Further, the hot water tank is also provided with a temperature display and control device.

The beneficial effects of the utility model are: the device provided by the utility model integrates three devices of heating and cooling air conditioners, heat pump water heaters, and solar collectors, has the advantages of the three technologies, and maximizes the use of electric energy, solar energy, air and water Through reasonable control, the device can realize various functions such as separate cooling, separate heating, separate hot water production, domestic hot water production during cooling and domestic hot water production during heating, and simultaneous defrosting by using solar energy. The utility model has high utilization rate of electric energy, can make full use of renewable energy (solar energy or air heat energy), is energy-saving and environment-friendly, has simple structure and reliable operation.

Description of drawings

Fig. 1 is a structural schematic diagram of a solar energy assisted air source heat pump triple supply device.

In the accompanying drawings, the list of parts represented by each label is as follows:

1. Compressor; 2. Four-way valve; 3. Solenoid valve 1; 4. Casing heat exchanger; 5. Solenoid valve 2; 6. Outdoor unit air-cooled heat exchanger; .Solenoid valve 3; 9. Liquid reservoir; 10. Dry filter; 11. Sight glass; 12. Expansion valve; 13. Solenoid valve 4; 14. Solenoid valve 5; 15. One-way valve 2; Directional valve three; 17. Indoor unit air-cooled heat exchanger; 18. Solenoid valve six; 19. Solenoid valve seven; 20. Gas-liquid separator; 21. Three-way valve; 22. Solar collector; 23. Circulating water pump ; 24. Circulating water outlet; 25. Water supply port; 26. Domestic hot water outlet; 27. Circulating water return port; 28. Bypass pipe.

detailed description

The principles and features of the present utility model are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the utility model, and are not used to limit the scope of the utility model.

As shown in Figure 1, the utility model provides a solar-assisted air source heat pump triple supply device, including a compressor 1, a four-way valve 2, a casing heat exchanger 4 and a hot water tank, and the outlet of the compressor 1 It communicates with the first port of the four-way valve 2, and the second port of the four-way valve 2 is sequentially connected to the solenoid valve 2 5, the outdoor unit air-cooled heat exchanger 6, the one-way valve 7, and the liquid reservoir 9 through pipelines. , dry filter 10, sight glass 11, expansion valve 12, solenoid valve five 14, indoor unit air-cooled heat exchanger 17, solenoid valve seven 19, and finally communicate with the fourth interface of the four-way valve 2, so The third interface of the four-way valve 2 is sequentially connected to the gas-liquid separator 20 and the inlet of the compressor 1 through the pipeline; the fourth interface of the four-way valve 2 is also connected to the solenoid valve 618, the The inner tube of the casing heat exchanger 4, the check valve 2 15 and the liquid reservoir 9, the expansion valve 12 is also sequentially connected to the solenoid valve 3 8 and the outdoor unit air-cooled heat exchanger through the pipeline 6. The second port of the four-way valve 2 is connected to the solenoid valve 1 and the inner pipe of the casing heat exchanger 4 sequentially through the pipeline, and the air-cooled heat exchanger 17 of the indoor unit is also sequentially connected through the pipeline. The one-way valve three 16 and the liquid reservoir 9 are sequentially connected, and the expansion valve 12 is also sequentially connected with the electromagnetic valve four 13 and the inner pipe of the sleeve heat exchanger 4 through pipelines; It is provided with a domestic hot water outlet 26, a replenishing water outlet 25, a circulating water outlet 24 and a circulating water return outlet 27, and the circulating water outlet 24 is sequentially connected to the circulating water pump 23, the solar heat collector 22, the sleeve The outer pipe of the heat exchanger 4 and the circulating water return port 27.

On the basis of the above technical solutions, the utility model can also be improved as follows.

Further, the pipeline between the solar collector 22 and the sleeve heat exchanger 4 is provided with a bypass pipe 28 communicating with the circulating water return port 27, and the bypass pipe 28 is provided with There is a control valve.

Preferably, a three-way valve 21 is provided on the pipeline between the solar heat collector 22 and the sleeve heat exchanger 4, and the first interface of the three-way valve 21 and the solar heat collector 22 pass through the pipeline The interface two of the three-way valve 21 communicates with the outer pipe of the casing heat exchanger 4 through a pipeline, and the interface three of the three-way valve 21 communicates with the circulating water return port 27 through a bypass pipe 28 connected.

Further, the three-way valve 21 is an electric three-way valve.

Further, the hot water tank is also provided with a temperature display and control device.

The specific operation process of the device provided by the utility model to realize its various functions will be briefly introduced below in conjunction with the accompanying drawings.

1. Separate refrigeration:

Refrigerant side: compressor 1→four-way valve 21→solenoid valve 25→outdoor unit air-cooled heat exchanger 6→one-way valve 17→accumulator 9→dry filter 10→sight glass 11→expansion Valve 12→solenoid valve five 14→indoor unit air-cooled heat exchanger 17→solenoid valve seven 19→four-way valve 21→gas-liquid separator 20→compressor 1 (solenoid valves one, three, four, and six are closed).

2. Separate heating:

Refrigerant side: compressor 1→four-way valve 21→solenoid valve seven 19→indoor unit air-cooled heat exchanger 17→one-way valve three 16→accumulator 9→dry filter 10→sight glass 11→expansion Valve 12→solenoid valve 3 8→outdoor unit air-cooled heat exchanger 6→solenoid valve 2 5→four-way valve 21→gas-liquid separator 20→compressor 1 (solenoid valves 1, 4, 5, and 6 are closed).

3. Separately make hot water:

Refrigerant side: compressor 1→four-way valve 2→solenoid valve six 18→tube heat exchanger 4→one-way valve two 15→accumulator 9→dry filter 10→sight glass 11→expansion valve 12 →Solenoid valve 3 8→Outdoor unit air-cooled heat exchanger 6→Solenoid valve 2 5→Four-way valve 2→Gas-liquid separator 20→Compressor 1 (Solenoid valves 1, 4, 5, and 7 are closed);

Water side: hot water tank → circulating water pump 23 → solar heat collector 22 → electric three-way valve 21 → casing heat exchanger 4 → hot water tank.

4. Refrigeration and hot water production at the same time:

Refrigerant side: compressor 1→four-way valve 21→solenoid valve 13→tube heat exchanger 4→one-way valve 215→accumulator 9→dry filter 10→sight glass 11→expansion valve 12→solenoid valve five 14→indoor unit air-cooled heat exchanger 17→solenoid valve seven 19→four-way valve 2→gas-liquid separator 20→compressor 1 (solenoid valves two, three, four and six are closed);

Water side: hot water tank → circulating water pump 23 → solar heat collector 22 → electric three-way valve 21 → casing heat exchanger 4 → hot water tank.

5. Heating and hot water at the same time:

Refrigerant side (divided into two paths after exiting the four-way valve 2 and converging at the liquid receiver 9):

The first way: compressor 1→four-way valve 2→solenoid valve six 18→tube heat exchanger 4→one-way valve two 15→liquid receiver 9→dry filter 10→sight glass 11→expansion valve 12 →Solenoid valve 3 8→Outdoor unit air-cooled heat exchanger 6→Solenoid valve 2 5→Four-way valve 2→Gas-liquid separator 20→Compressor 1;

Second road: compressor 1→four-way valve 2→solenoid valve seven 19→indoor unit air-cooled heat exchanger 17→one-way valve three 16→accumulator 9→dry filter 10→sight mirror 11→expansion valve 12→solenoid valve three 8→outdoor unit air-cooled heat exchanger 6→solenoid valve two 5→four-way valve 2→gas-liquid separator 20→compressor 1 (solenoid valves one, four and five are closed;

Water side: hot water tank → circulating water pump 23 → solar heat collector 22 → electric three-way valve 21 → casing heat exchanger 4 → hot water tank.

6. The weather is good in winter, using solar hot water for heating:

Refrigerant side: compressor 1→four-way valve 2→solenoid valve seven 19→indoor unit air-cooled heat exchanger 17→one-way valve three 16→accumulator 9→dry filter 10→sight mirror 11→expansion valve 12→solenoid valve 4 13→tube heat exchanger 4→solenoid valve 1 3→four-way valve 2→gas-liquid separator 20→compressor 1 (solenoid valve 2, 3, 5, 6 closed)

Water side: hot water tank → circulating water pump 23 → solar collector 22 → electric three-way valve 21 → casing heat exchanger 4 → hot water tank

7. Defrost when heating hot water alone:

Refrigerant side: compressor 1→four-way valve 2→solenoid valve 2 5→outdoor air-cooled heat exchanger 6→one-way valve 17→accumulator 9→dry filter 10→sight glass 11→expansion valve 12→solenoid valve four 13→tube heat exchanger 4→solenoid valve six 18→four-way valve 2→gas-liquid separator 20→compressor 1 (solenoid valves 1, 3, 5, and 7 are closed);

Water side: hot water tank → circulating water pump 23 → solar heat collector 22 → electric three-way valve 21 → casing heat exchanger 4 → hot water tank.

8. Defrost when heating alone:

Refrigerant side: compressor 1→four-way valve 2→solenoid valve 2 5→outdoor air-cooled heat exchanger 6→one-way valve 17→accumulator 9→dry filter 10→sight glass 11→expansion valve 12→Solenoid valve five 14→Indoor unit air-cooled heat exchanger 17→Solenoid valve seven 19→Four-way valve 2→Gas-liquid separator 20→Compressor 1 (Solenoid valves 1, 3, 4, 6 are closed).

9. When the sun is sufficient, you can also use the following methods to defrost:

Refrigerant side: compressor 1→four-way valve 2→solenoid valve 2 5→outdoor unit air-cooled heat exchanger 6→one-way valve 1 7→accumulator 9→dry filter 10→sight glass 11→expansion valve 12→solenoid valve four 13→tube heat exchanger 4→solenoid valve six 18→four-way valve 2→gas-liquid separator 20→compressor 1 (solenoid valves 1, 3, 5, and 7 are closed);

Water side: hot water tank → circulating water pump 23 → solar heat collector 22 → electric three-way valve 21 → casing heat exchanger 4 → hot water tank.

10. Defrost while heating while heating hot water (same as defrosting when heating hot water alone, giving priority to ensuring indoor comfort):

Refrigerant side: compressor 1→four-way valve 2→solenoid valve 2 5→outdoor air-cooled heat exchanger 6→one-way valve 17→accumulator 9→dry filter 10→sight glass 11→expansion valve 12→solenoid valve four 13→tube heat exchanger 4→solenoid valve six 18→four-way valve 2→gas-liquid separator 20→compressor 1 (solenoid valves 1, 3, 5, and 7 are closed);

Water side: hot water tank → circulating water pump 23 → solar heat collector 22 → electric three-way valve 21 → bypass pipe 28 → hot water tank.

11. As a solar water heater alone:

When the sun is sufficient and the heat pump does not start and hot water is needed, the circulating water pump is directly started, and the solar collector is used to make hot water. At this time, the system is equivalent to a solar water heater. Control the electric three-way valve to make the bypass pipe communicate with the solar heat collector. At this time, the operation process is as follows:

Water side: hot water tank → circulating water pump → solar collector → electric three-way valve → bypass pipe → hot water tank.

When implementing each function, the specific control conditions are as follows:

(1) When cooling alone: solenoid valves 2, 5, and 7 are opened, and solenoid valves 1, 3, 4, and 6 are closed.

(2) When heating alone: solenoid valves 2, 3, and 7 are opened, and solenoid valves 1, 4, 5, and 6 are closed.

(3) When heating hot water alone: open solenoid valves 2, 3, and 6, and close solenoid valves 1, 4, 5, and 7.

(4) Cooling and hot water production at the same time: solenoid valves 1, 5, and 7 are opened, and solenoid valves 2, 3, 4, and 6 are closed.

(5) Heating and hot water at the same time: solenoid valves 2, 3, 6, and 7 are opened, and solenoid valves 1, 4, and 5 are closed.

(6) Utilize solar hot water heating: electromagnetic valves 1, 4, and 7 are opened, and electromagnetic valves 2, 3, 5, and 6 are closed.

(7) Defrost when heating hot water alone: open solenoid valves 2, 4, and 6, and close solenoid valves 1, 3, 5, and 7.

(8) Defrost when heating alone: open solenoid valves 2, 5, and 7, and close solenoid valves 1, 3, 4, and 6.

(9) Heating and hot water defrosting at the same time: solenoid valves 2, 4, and 6 are opened, and solenoid valves 1, 3, 5, and 7 are closed.

(10) When making domestic hot water while cooling in summer, when the hot water temperature reaches the set value (55°C), the water circulation stops and it automatically switches to the independent cooling mode.

(11) When domestic hot water is produced while heating in winter, the water circulation stops when the hot water temperature reaches the set value (55°C), and it automatically switches to the independent heating mode.

(12) When the water level of the hot water tank is lower than the set minimum water level value for the set time, the system will automatically replenish water and start the water cycle, and select an appropriate heating mode according to the operating mode of the unit to make the hot water temperature reach the set value (55°C), priority With solar direct heating mode.

(13) When the operating efficiency of the air source heat pump is lower than the set value due to frost in winter, it will automatically start the defrosting mode according to the current operating mode, and the solar hot water defrosting mode is preferred.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (5)

1. the trilogy supply device of a solar auxiliary air source heat pump, it is characterized in that, including compressor (1), cross valve (2), double pipe heat exchanger (4) and boiler, described compressor (1) outlet connects with the first interface of described cross valve (2), second interface of described cross valve (2) passes through pipeline sequential communication electromagnetic valve two (5) successively, off-premises station air cooling heat exchanger (6), check valve one (7), reservoir (9), device for drying and filtering (10), liquid-sighting glass (11), expansion valve (12), electromagnetic valve five (14), indoor machine wind cold heat exchanger (17), electromagnetic valve seven (19), and the 4th orifice of final and described cross valve (2), 3rd interface of described cross valve (2) entrance by pipeline sequential communication gas-liquid separator (20) and described compressor (1) successively；4th interface of described cross valve (2) is also by pipeline successively sequential communication electromagnetic valve six (18), the interior pipe of described double pipe heat exchanger (4), check valve two (15) and described reservoir (9), and described expansion valve (12) is also by pipeline successively sequential communication electromagnetic valve three (8) and described off-premises station air cooling heat exchanger (6)；Second interface of described cross valve (2) is also by the interior pipe of pipeline successively sequential communication electromagnetic valve one (3) and described double pipe heat exchanger (4), described indoor machine wind cold heat exchanger (17) is also by pipeline successively sequential communication check valve three (16) and described reservoir (9), and described expansion valve (12) is also by the interior pipe of pipeline successively sequential communication electromagnetic valve four (13) and described double pipe heat exchanger (4)；Described boiler is provided with domestic hot-water outlet (26), water supplement port (25), recirculated water outlet (24) and recirculated water water return outlet (27), and described recirculated water outlet (24) is by pipeline successively sequential communication water circulating pump (23), solar thermal collector (22), the outer tube of described double pipe heat exchanger (4) and recirculated water water return outlet (27)。

2. the trilogy supply device of a kind of solar auxiliary air source heat pump according to claim 1, it is characterized in that, being provided with the bypass pipe (28) being connected with described recirculated water water return outlet (27) on pipeline between described solar thermal collector (22) with described double pipe heat exchanger (4), described bypass pipe is provided with control valve on (28)。

3. the trilogy supply device of a kind of solar auxiliary air source heat pump according to claim 1, it is characterized in that, pipeline between described solar thermal collector (22) and described double pipe heat exchanger (4) is provided with three-way valve (21), interface one and the described solar thermal collector (22) of described three-way valve (21) pass through pipeline communication, the interface two of described three-way valve (21) passes through pipeline communication with the outer tube of described double pipe heat exchanger (4), the interface three of described three-way valve (21) is connected with described recirculated water water return outlet (27) by bypass pipe (28)。

4. the trilogy supply device of a kind of solar auxiliary air source heat pump according to claim 3, it is characterised in that described three-way valve (21) is electric T-shaped valve。

5. the trilogy supply device of a kind of solar auxiliary air source heat pump according to any one of Claims 1-4, it is characterised in that be additionally provided with temperature on described boiler and show and control device。