Dual-purpose air source ice bath unit capable of being used for cooling and heating simultaneously

Abstract

The utility model relates to an air source ice bath unit capable of being used for cold and hot simultaneously. The air source ice bath unit comprises a compressor, a first stop valve, a third stop valve, a fourth stop valve, a four-way reversing valve, a condenser, a heat recoverer, a first evaporator, a second evaporator, a first expansion valve, a second stop valve and a second expansion valve. The device has the advantages that the device has a waste heat recovery function, and heat of the condenser can be recovered for hot water or a swimming pool; and the condensing temperature is lower, the throttling temperature is reduced, and cold water with lower temperature is generated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of air source ice bath unit with simultaneously cold and hot dual-purpose. BACKGROUND

[0002] At present, air source heat pump swimming pool machine or ice bath machine does not have the function of simultaneously producing cold water and hot water, and can only realize the function of cold water or hot water unilaterally, which is inconvenient to use. SUMMARY

[0003] The utility model aims at overcoming the insufficient of prior art and provides a kind of air source ice bath unit with simultaneously cold and hot dual-purpose, with the function of waste heat recovery, can recover the heat of condenser to be used for hot water or swimming pool;Condensing temperature is lower, reduces throttling temperature, produces lower temperature cold water;

[0004] In order to achieve the above purpose, the technical scheme of the utility model is as follows: it is a kind of air source ice bath unit with simultaneously cold and hot dual-purpose, characterized by further comprising:

[0005] Compressor, first stop valve, third stop valve, fourth stop valve, four-way reversing valve and condenser;The four-way reversing valve has a port, b port, c port and d port;The outlet of the compressor is communicated with one port of the first stop valve and the third stop valve respectively, and the inlet of the compressor is communicated with one port of the fourth stop valve and the d port of the four-way reversing valve respectively, the other port of the first stop valve is communicated with the a port of the four-way reversing valve, and the b port of the four-way reversing valve is communicated with one refrigerant port of the condenser;And

[0006] Heat recovery unit, first evaporator, second evaporator, first expansion valve, second stop valve and second expansion valve;The heat recovery unit has a port, b port, c port and d port, the a port of the heat recovery unit is communicated with the b port of the heat recovery unit, the c port of the heat recovery unit is communicated with the d port of the heat recovery unit, the a port of the heat recovery unit is communicated with the other refrigerant port of the condenser, the b port of the heat recovery unit is communicated with one port of the first expansion valve, the second stop valve and the second expansion valve respectively, the c port of the heat recovery unit is communicated with one refrigerant port of the first evaporator and the second evaporator respectively, the d port of the heat recovery unit is communicated with the c port of the four-way reversing valve, the other port of the first expansion valve and the second stop valve is communicated with the other refrigerant port of the first evaporator, the other port of the second expansion valve is communicated with the other refrigerant port of the second evaporator, one refrigerant port of the first evaporator is also communicated with the other port of the third stop valve, and one refrigerant port of the second evaporator is also communicated with the other port of the fourth stop valve.

[0007] The utility model has the advantages that: with the function of waste heat recovery, the heat of condenser can be recovered for hot water or swimming pool;Condensing temperature is lower, throttling temperature is reduced, and lower temperature cold water is produced. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of the structure of this utility model. Detailed Implementation

[0009] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0010] like Figure 1 As shown, it is an air-source ice bath unit with simultaneous heating and cooling functions, including:

[0011] The system comprises a compressor 1, a first shut-off valve 2, a third shut-off valve 11, a fourth shut-off valve 12, a four-way reversing valve 3, and a condenser 4; the four-way reversing valve 3 has ports a, b, c, and d; the outlet of the compressor 1 is connected to one port of the first shut-off valve 2 and one port of the third shut-off valve 11, the inlet of the compressor 1 is connected to one port of the fourth shut-off valve 12 and one port d of the four-way reversing valve 3, the other port of the first shut-off valve 2 is connected to port a of the four-way reversing valve 3, and port b of the four-way reversing valve 3 is connected to a refrigerant port of the condenser 4; and

[0012] The system comprises a heat recovery unit 5, a first evaporator 7, a second evaporator 10, a first expansion valve 6, a second shut-off valve 8, and a second expansion valve 9. The heat recovery unit 5 has ports a, b, c, and d. Port a of the heat recovery unit 5 is connected to port b, port c is connected to port d, port a is connected to another refrigerant port of the condenser 4, and port b is connected to one port of each of the first expansion valve 6, the second shut-off valve 8, and the second expansion valve 9. Port C of the heat recovery unit 5 is connected to a refrigerant port of the first evaporator 7 and the second evaporator 10 respectively. Port D of the heat recovery unit 5 is connected to port C of the four-way reversing valve 3. The other ports of the first expansion valve 6 and the second shut-off valve 8 are connected to another refrigerant port of the first evaporator 7. The other port of the second expansion valve 9 is connected to another refrigerant port of the second evaporator 10. A refrigerant port of the first evaporator 7 is also connected to another port of the third shut-off valve 11. A refrigerant port of the second evaporator 10 is also connected to another port of the fourth shut-off valve 12.

[0013] When in use, the condenser 4 provides hot water to the user, and the second evaporator 10 provides cold water to the user;

[0014] When the user has hot water and cold water demand, the unit enters heat recovery mode, at this time the a port and b port of the four-way valve 3 are communicated, the c port and d port of the four-way valve 3 are communicated, the second stop valve 8, the third stop valve 11 and the fourth stop valve 12 are closed, the first stop valve 2 is opened, the first expansion valve 6 is closed, the second expansion valve 9 is opened, the refrigerant passes through the compressor 1, the first stop valve 2, the a port of the four-way valve 3, the b port of the four-way valve, the condenser 4, the a port of the heat recovery device 5, the b port of the heat recovery device 5, the second expansion valve 9, the second evaporator 10, the c port of the heat recovery device 5, the d port of the heat recovery device 5, the c port of the four-way valve 3, the d port of the four-way valve 3 in turn and returns to the compressor, the second evaporator 10 produces cold water, and the condenser 4 produces hot water;

[0015] When the user has hot water but no cold water demand, at this time the a port and b port of the four-way valve 3 are communicated, the c port and d port of the four-way valve 3 are communicated, the second evaporator 10 is closed, the first evaporator 7 works, the second stop valve 8, the third stop valve 11 and the fourth stop valve 12 are closed, the first stop valve 2 is opened, the first expansion valve 6 is opened, the second expansion valve 9 is closed, the refrigerant passes through the compressor 1, the first stop valve 2, the a port of the four-way valve 3, the b port of the four-way valve, the condenser 4, the a port of the heat recovery device 5, the b port of the heat recovery device 5, the first expansion valve 6, the first evaporator 7, the c port of the heat recovery device 5, the d port of the heat recovery device 5, the c port of the four-way valve 3, the d port of the four-way valve 3 in turn and returns to the compressor, and the condenser 4 produces hot water;

[0016] When the user has cold water but no hot water demand, at this time the a port and b port of the four-way valve 3 are communicated, the c port and d port of the four-way valve 3 are communicated, the condenser 4 stops working, the first evaporator 7 works, the second stop valve 8, the third stop valve 11 and the fourth stop valve 12 are opened, the first stop valve 2 is closed, the first expansion valve 6 is closed, the second expansion valve 9 is opened, the refrigerant passes through the compressor 1, the third stop valve 11, the first evaporator 7, the second stop valve 8, the second expansion valve 9, the second evaporator 10, the fourth stop valve 12 in turn and returns to the compressor 1, and the second evaporator 10 produces cold water;

[0017] When the heat pump unit needs to enter the defrosting condition: the unit needs to absorb the heat in the hot water to melt the frost in the first evaporator 7; at this time, the a port and the c port of the four-way reversing valve 3 are communicated, the b port and the d port of the four-way reversing valve 3 are communicated, the second stop valve 8, the third stop valve 11 and the fourth stop valve 12 are closed, the first stop valve 2 is opened, the first expansion valve 6 is opened, the second expansion valve 9 is closed, and the refrigerant passes through the compressor 1, the first stop valve 2, the a port of the four-way reversing valve 3, the c port of the four-way reversing valve 3, the d port of the heat recovery device 5, the c port of the heat recovery device 5, the first evaporator 7, the first expansion valve 6, the b port of the heat recovery device 5, the a port of the heat recovery device 5, the condenser 4, the b port of the four-way reversing valve 3, the d port of the four-way reversing valve 3 and then returns to the compressor 1 in sequence

[0018] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the described embodiments. For ordinary skilled in the art, various changes, modifications, replacements and deformation of these embodiments without departing from the principles and purposes of the utility model still fall within the protection scope of the utility model.

Claims

1. An air source ice bath unit with simultaneous cold and hot functions, characterized in that Also include: Compressor (1), first stop valve (2), third stop valve (11), fourth stop valve (12), four-way reversing valve (3) and condenser (4); the four-way reversing valve (3) has a port, b port, c port and d port; the outlet of the compressor (1) is communicated with one port of the first stop valve (2) and the third stop valve (11) respectively, the inlet of the compressor (1) is communicated with one port of the fourth stop valve (12) and the d port of the four-way reversing valve (3) respectively, the other port of the first stop valve (2) is communicated with the a port of the four-way reversing valve (3), the b port of the four-way reversing valve (3) is communicated with one refrigerant port of the condenser (4); and Heat recovery device (5), first evaporator (7), second evaporator (10), first expansion valve (6), second stop valve (8) and second expansion valve (9); the heat recovery device (5) has a port, b port, c port and d port, the a port of the heat recovery device (5) is communicated with the b port of the heat recovery device (5), the c port of the heat recovery device (5) is communicated with the d port of the heat recovery device (5), the a port of the heat recovery device (5) is communicated with the other refrigerant port of the condenser (4), the b port of the heat recovery device (5) is communicated with one port of the first expansion valve (6), the second stop valve (8) and the second expansion valve (9) respectively, the c port of the heat recovery device (5) is communicated with one refrigerant port of the first evaporator (7) and the second evaporator (10) respectively, the d port of the heat recovery device (5) is communicated with the c port of the four-way reversing valve (3), the other port of the first expansion valve (6) and the second stop valve (8) is communicated with the other refrigerant port of the first evaporator (7), the other port of the second expansion valve (9) is communicated with the other refrigerant port of the second evaporator (10), one refrigerant port of the first evaporator (7) is also communicated with the other port of the third stop valve (11), one refrigerant port of the second evaporator (10) is also communicated with the other port of the fourth stop valve (12).

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