Patent ID: 11874021
Assignee: ZHEJIANG UNIVERSITY
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F  E | IPC E  F

Claim 0:
1. A fabricated air conditioner wall, comprising:
a precast wall provided with an inner thermal insulation layer (23) and an outer thermal insulation layer (24), wherein the inner thermal insulation layer (23) is located in the precast wall and on a side close to an inner wall surface of the precast wall and is configured to reduce heat exchange between the precast wall and an indoor environment, and the outer thermal insulation layer (24) is located in the precast wall and on a side close to an outer wall surface of the precast wall; and
a heat pump system disposed in the precast wall and comprising a refrigerant circulation system and an air heat exchange duct,
wherein the refrigerant circulation system comprises an indoor heat exchanger (3), a throttle valve (10), a condensate water tank (11), a four-way valve (12), a compressor (13), and an outdoor heat exchanger (16), wherein the compressor (13) comprises an inlet and an outlet respectively connected to a first flow channel port and a second flow channel port of the four-way valve (12), a third flow channel port of the four-way valve (12) is sequentially connected to the outdoor heat exchanger (16), the throttle valve (10) and the indoor heat exchanger (3), the indoor heat exchanger (3) is further connected to a fourth flow channel port of the four-way valve (12) to form a refrigerant circuit, the condensate water tank (11) is configured to receive condensate water discharged from the indoor heat exchanger (3) and is provided with a water outlet communicating with an outdoor environment, and a refrigerant pipeline connecting the outdoor heat exchanger (16) with the throttle valve (10) passes through the condensate water tank (11) to utilize cooling energy of condensate water in the condensate water tank;
wherein the air heat exchange duct comprises a return air duct and an outdoor heat exchanger air duct, wherein the indoor heat exchanger (3) is located in the return air duct, and the return air duct comprises an air inlet and an air outlet each located at the inner wall surface and communicating with the indoor environment; the outdoor heat exchanger (16) is located in the outdoor heat exchanger air duct, and the outdoor heat exchanger air duct comprises an air inlet and an air outlet each located at the outer wall surface and communicating with the outdoor environment; and the return air duct and the outdoor heat exchanger air duct are respectively provided with a first fan (4) and a third fan (14) therein for providing power;
wherein the refrigerant circulation system further comprises a wall-buried pipe (21), a first three-way valve (17), a first three-way pipe (15), a second three-way valve (20) and a second three-way pipe (18);
wherein the wall-buried pipe (21) is located in the precast wall and between the outer thermal insulation layer (24) and the outer wall surface;
wherein the first three-way valve (17) and the first three-way pipe (15) are provided in a refrigerant pipeline between the third flow channel port of the four-way valve (12) and the outdoor heat exchanger (16), wherein the third flow channel port of the four-way valve (12) is connected to a first flow channel port of the first three-way valve (17) first, a second flow channel port of the first three-way valve (17) is connected to a first flow channel port of the first three-way pipe (15), and then a second flow channel port of the first three-way pipe (15) is connected to an end of the outdoor heat exchanger (16);
wherein a third flow channel port of the first three-way valve (17) is connected to an end of the wall-buried pipe (21), another end of the wall-buried pipe (21) is connected to a third flow channel port of the second three-way valve (20) and a first flow channel port of the second three-way valve (20) is connected to a third flow channel port of the first three-way pipe (15);
wherein a first flow channel port of the second three-way pipe (18) is connected to another end of the outdoor heat exchanger (16), a second flow channel port of the second three-way pipe (18) is connected to a second flow channel port of the second three-way valve (20), a third flow channel port of the second three-way pipe (18) is connected to the throttle valve (10), and a refrigerant pipeline between the third flow channel port of the second three-way pipe (18) and the throttle valve (10) passes through the condensate water tank (11); and
wherein the wall-buried pipe (21) is a heat exchange pipe to recycle heat in the precast wall, and the fabricated air conditioner wall is capable of automatically selecting a corresponding refrigerant circuit according to a temperature of the precast wall and a heat exchange effect of the wall-buried pipe (21).