CN109708333B - Refrigerating system, air conditioner control method and air conditioner - Google Patents
Refrigerating system, air conditioner control method and air conditioner Download PDFInfo
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- CN109708333B CN109708333B CN201811513564.XA CN201811513564A CN109708333B CN 109708333 B CN109708333 B CN 109708333B CN 201811513564 A CN201811513564 A CN 201811513564A CN 109708333 B CN109708333 B CN 109708333B
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Abstract
The invention provides a refrigeration system, an air conditioner control method and an air conditioner, wherein the refrigeration system comprises an evaporator, a condenser, a four-way valve and a water tank heat exchange device; one end of the evaporator is connected with the condenser through a first flow path, and the other end of the evaporator is connected with a first port of the four-way valve through a third flow path; the other end of the condenser is connected with a water tank heat exchange device through a second flow path, and the other end of the water tank heat exchange device is connected with a second port of the four-way valve; the water tank heat exchange device is used for exchanging heat of the refrigerant flowing through the water tank heat exchange device so as to adjust the temperature of the refrigerant; by adopting the technical scheme, the load of the air conditioner refrigerating system can be effectively reduced, so that the stability of the air conditioner refrigerating system is improved, and an internal machine of the air conditioner system is not stopped when the air conditioner system is heated and defrosted; according to the scheme provided by the invention, the condensed water of the air conditioner is fully utilized for cooling, the running cost of the air conditioner is reduced, the cooling loop of the refrigerating system is simplified, and the comfort and experience of the air conditioner are improved.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to a refrigeration system, an air conditioner control method and an air conditioner.
Background
At present, condensed water of an indoor unit of an air conditioner is directly discharged without being recycled, and the condensed water needs to be specially discharged, so that the experience of a user is influenced if the condensed water is not properly treated; when the existing air conditioner is used for heating and defrosting, the indoor unit of the air conditioner needs to be shut down, no heating quantity exists, and the indoor temperature fluctuates, so that the comfort experience is influenced; meanwhile, in the existing air conditioning system, when the air conditioning load is large, the self-regulation capacity is limited, and the working performance of the air conditioner is seriously influenced.
Based on the technical problems existing in the air conditioner, no relevant solution exists; there is therefore a pressing need to find effective solutions to the above problems.
Disclosure of Invention
The invention aims to provide a refrigeration system, an air conditioner control method and an air conditioner aiming at overcoming the defects in the prior art, and aims to solve the problem of poor energy regulation capability of the existing refrigeration system.
The invention provides a refrigerating system, which comprises an evaporator, a condenser, a four-way valve and a water tank heat exchange device, wherein the evaporator is connected with the condenser; one end of the evaporator is connected with the condenser through a first flow path, and the other end of the evaporator is connected with a first port of the four-way valve through a third flow path; the other end of the condenser is connected with a water tank heat exchange device through a second flow path, and the other end of the water tank heat exchange device is connected with a second port of the four-way valve; the water tank heat exchange device is used for exchanging heat of the refrigerant flowing through the water tank heat exchange device, so that the temperature of the refrigerant is adjusted.
Further, the water tank heat exchange device comprises a tank body, a heater and a cooler; the cooler and the heater are respectively arranged in the box body; the box body is internally provided with an aqueous solution; one end of the cooler is connected with the second flow path through a cooler inlet, and the other end of the cooler is connected with the second end of the four-way valve through a cooler outlet.
Further, the device also comprises an external water source; the external water source is communicated with an external water source inlet of the box body through a fifth flow path; a second electromagnetic valve is arranged on the fifth flow path; the water tank heat exchange device also comprises a stirrer, a high water level monitoring component and a low water level monitoring component; the agitator sets up in the box, and high water level control subassembly sets up in the upper end of the inner wall of box, and low water level control subassembly sets up in the lower extreme of the inner wall of box.
Furthermore, the evaporator is provided with a water pan which is used for collecting condensed water of the evaporator; a water pump is arranged in the water receiving disc and is communicated with a water inlet of a condenser of the box body through a fourth flow path; the fourth flow path is provided with a first electromagnetic valve.
Further, the water tank heat exchange device also comprises a first temperature sensing bulb; the first temperature sensing bulb is arranged on the inner wall of the box body and used for detecting the temperature of the aqueous solution; the heater is arranged at the bottom of the box body; the bottom of the box body is also provided with a drainage flow path, and a third electromagnetic valve is arranged on the drainage flow path.
Further, the device also comprises a compressor; the exhaust port of the compressor is connected with a third port of the four-way valve through a seventh flow path; the air suction port of the compressor is connected with the fourth port of the four-way valve through a sixth flow path; a second pressure sensor and a second temperature sensing bulb are arranged on the sixth flow; a first pressure sensor is arranged on the seventh flow path; a second electronic expansion valve is arranged on the first flow path; the second flow path is provided with a first electronic expansion valve.
Correspondingly, the invention also provides an air conditioner control method which is applied to the refrigerating system; when the air conditioning system is in a refrigeration mode, a refrigerant enters the water tank heat exchange device through the four-way valve to be heated and then enters the condenser; and/or when the air conditioning system is in a heating mode, the refrigerant enters the water tank heat exchange device through the condenser to be cooled and then enters the compressor through the four-way valve; and/or when the air conditioning system is in a defrosting mode, the refrigerant enters the evaporator through the four-way valve, enters the condenser through the second electronic expansion valve, enters the water tank heat exchange device through the first electronic expansion valve for cooling, and enters the compressor through the four-way valve; the second electronic expansion valve is in a conducting state, and the first electronic expansion valve is in a throttling state.
Further, when the air conditioning system is in a refrigeration mode, a water pump and a first electromagnetic valve are arranged in the water receiving disc, and water is added into a box body in the water tank heat exchange device; and/or adding water into the box body of the water tank heat exchange device by opening the second electromagnetic valve; then starting a stirrer in the water tank heat exchange device for stirring; when the water level in the box body reaches the position of the high water level monitoring assembly, the second electromagnetic valve is closed, and a drainage flow path in the box body is opened for drainage; when the air conditioning system is in a heating mode, keeping the water level in the box body at the position of the high water level monitoring assembly, and starting the stirrer for stirring; when the water level in the tank body is reduced to the low water level monitoring component, a second electromagnetic valve is opened to add water to the tank body in the water tank heat exchange device a; and/or starting the water pump and the first electromagnetic valve to add water to the box body in the water tank heat exchange device, and closing the heater and the stirrer in the water tank heat exchange device.
Further, when the air conditioning system is in a refrigeration mode, a water pump and a first electromagnetic valve are arranged in the water receiving disc, and water is added into a box body in the water tank heat exchange device; a cooler in the water tank heat exchange device exchanges heat with condensed water in the tank body; when the temperature of the first temperature sensing bulb in the box body is higher than the condensation temperature T1, a drainage flow path in the box body is opened for drainage, and meanwhile, water is added into the box body of the water tank heat exchange device by opening a second electromagnetic valve; and/or when the air conditioning system is in a heating mode, the cooler exchanges heat with the condensed water in the box body; when the temperature of the first temperature sensing bulb in the box body is less than the evaporation temperature T2, a heater in the box body is started to heat; when the temperature of the first temperature sensing bulb in the box body is less than the evaporation temperature T2+2, stopping heating of the heater in the box body; and/or when the air conditioning system is in a defrosting mode, starting heating by the heater, and when the temperature of the first temperature sensing bulb in the box body is higher than 30 ℃, closing the heater.
The invention also provides an air conditioner, which comprises a refrigerating system; the refrigerating system is the refrigerating system.
By adopting the technical scheme, the load of the air conditioner refrigerating system can be effectively reduced, so that the stability of the air conditioner refrigerating system is improved; the scheme provided by the invention has the advantages of reasonable structure and convenience in implementation, can fully utilize the condensate water of the air conditioner for cooling, effectively reduces the operation cost of the refrigeration system of the air conditioner, and simplifies the cooling loop of the refrigeration system, thereby improving the comfort and experience of the air conditioner.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention will be further explained with reference to the drawings, in which:
FIG. 1 is a schematic diagram of a refrigeration system according to the present invention;
FIG. 2 is a perspective view of a heat exchanger a of a water tank according to the present invention;
FIG. 3 is a front view of a heat exchanger a of a water tank according to the present invention;
FIG. 4 is a top view of a heat exchanger a of a water tank according to the present invention;
fig. 5 is a side view of a heat exchanger a of a water tank of the present invention.
In the figure: 10. a compressor; 20. an evaporator; 30. a condenser; 40. a four-way valve; 50. connecting with water source; 60. a water pan; 1. a first flow path; 2. a second flow path; 3. a third flow path; 4. a fourth flow path; 5. a fifth flow path; 6. a sixth flow path; 7. a seventh flow path; a. a water tank heat exchange device; a1, a box body; a2, cover plate; b. a cooler; c. a heater; c1, a first heater; c2, a second heater; d. a high water level monitoring assembly; e. a first bulb; f. an electromagnetic valve; g. a first electronic expansion valve; h. a second electronic expansion valve; i1, weak wire port; i2, a strong current port; j. a low water level monitoring component; k1, cooler inlet; k2, a cooler outlet; k3, externally connecting a water source inlet; k4, a water inlet of the condenser; m, a stirrer; r, a water pump; s, a first electromagnetic valve; t, a second electromagnetic valve; x, a first pressure sensor; y, a second pressure sensor; z, a first thermal bulb.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 5, the present invention provides a refrigeration system, comprising an evaporator 20, a condenser 30, a four-way valve 40 and a tank heat exchanging device a; one end of the evaporator 20 is connected to the condenser 30 through a first flow path 1, and the other end of the evaporator 20 is connected to a first port E of the four-way valve 40 through a third flow path 3; the other end of the condenser 30 is connected with a water tank heat exchange device a through a second flow path 2, and the other end of the water tank heat exchange device a is connected with a second port C of the four-way valve 40; the water tank heat exchange device a is used for exchanging heat of the refrigerant flowing through the water tank heat exchange device a so as to adjust the temperature of the refrigerant; by adopting the scheme, the refrigeration load of the air conditioner can be reduced, the composition of each part of the refrigeration system is effectively reduced, the stability of the refrigeration system is improved, the running load of the air conditioner is reduced, and the inner machine is not stopped when the air conditioner heats and defrosts.
Preferably, in combination with the above solution, as shown in fig. 1 to 5, in the present embodiment, the water tank heat exchanging device a includes a tank a1, a heater c, and a cooler b; the cooler b and the heater c are respectively arranged in the box body a 1; an aqueous solution is arranged in the box body a1, specifically, the aqueous solution can be condensed water of an evaporator, and can also be cooling water provided by an external water source; one end of the cooler b is connected to the second flow path 2 through a cooler inlet k1, and the other end of the cooler b is connected to a second end C of the four-way valve 40 through a cooler outlet k 2; furthermore, a cover plate a2 is arranged at the top of the box body a1, a weak current port i1 and a strong current port i2 are also arranged at the top of the box body, and the weak current port i1 and the strong current port i2 are respectively used for connecting strong current and weak current wires so as to be connected with the heater c, the stirrer m and the like safely; further, the heater c comprises a first heater c1 and a second heater c2, the first heater c1 and the second heater c2 are respectively arranged at two sides of the bottom of the box body a1 to improve the heating uniformity; by adopting the scheme, the heater c and the cooler b are arranged in the box body a1 of the water tank heat exchanger a, so that the refrigerant of the refrigeration system can be heated or cooled, and then the next working condition is further carried out, and the load of the next working condition of the refrigeration system is reduced.
Preferably, in combination with the above scheme, as shown in fig. 1 to 5, in this embodiment, an external water source 50 is further included; the external water source 50 is communicated with an external water source inlet k3 of the box body a1 through a fifth flow path 5; the fifth flow path 5 is provided with a second electromagnetic valve t which is used for controlling the fifth flow path 5 to add water into the box body a 1; the water tank heat exchange device a also comprises a stirrer m, a high water level monitoring component d and a low water level monitoring component j; the stirrer m is arranged in the box body a1, the high water level monitoring component d is arranged at the upper end of the inner wall of the box body, and the low water level monitoring component j is arranged at the lower end of the inner wall of the box body; by adopting the scheme, when the air conditioning system is in a refrigeration mode, water is added into the box body a1 of the water tank heat exchange device a by opening the second electromagnetic valve t; then the stirrer m in the water tank heat exchange device a is started to stir, and when the water level in the tank body a1 reaches the position of the high water level monitoring component d, the second electromagnetic valve t is closed, and the drainage flow path in the tank body a1 is opened to drain water; when the air conditioning system is in a heating mode, keeping the water level in the box body a1 at the position of the high water level monitoring component d, and starting the stirrer m for stirring; when the water level in the box body a1 is reduced to the low water level monitoring component j, the second electromagnetic valve t is opened to add water to the box body a1 in the water tank heat exchange device a; and/or, starting the water pump r and the first electromagnetic valve s to add water to the box body a1 in the water tank heat exchange device a, and closing the heater c and the stirrer m in the water tank heat exchange device a.
Preferably, in combination with the above solution, as shown in fig. 1 to 5, in the present embodiment, the evaporator 20 is provided with a water pan 60, and the water pan 60 is used for collecting condensed water of the evaporator 20; a water pump r is arranged in the water receiving tray 60 and is communicated with a condenser water inlet k4 of the box body a1 through a fourth flow path 4; the fourth flow path 4 is provided with a first electromagnetic valve s which is used for controlling the fourth flow path 4 to add water into the box body a 1; the water tank heat exchange device a also comprises a stirrer m, a high water level monitoring component d and a low water level monitoring component j; the stirrer m is arranged in the box body a1, the high water level monitoring component d is arranged at the upper end of the inner wall of the box body, and the low water level monitoring component j is arranged at the lower end of the inner wall of the box body; by adopting the scheme, when the air conditioning system is in a refrigeration mode, condensed water is added into a box body a1 in the water tank heat exchange device a by opening a water pump r and a first electromagnetic valve s which are arranged in the water pan 60, the temperature of the condensed water is generally less than 20 ℃, and the temperature of a condenser b is generally more than 40 ℃; and/or adding water into a box body a1 of the water tank heat exchange device a by opening a second electromagnetic valve t; then starting a stirrer m in the water tank heat exchange device a for stirring; when the water level in the box body a1 reaches the position of the high water level monitoring component d, closing the second electromagnetic valve t, and opening the drainage flow path in the box body a1 for drainage; when the air conditioning system is in a heating mode, keeping the water level in the box body a1 at the position of the high water level monitoring component d, and starting the stirrer m for stirring; when the water level in the box body a1 is reduced to the low water level monitoring component j, the second electromagnetic valve t is opened to add water to the box body a1 in the water tank heat exchange device a; and/or, starting a water pump r and a first electromagnetic valve s to add condensed water to a box body a1 in the water tank heat exchange device a, and closing a heater c and a stirrer m in the water tank heat exchange device a; by adopting the scheme, the condenser of the evaporator can be fully utilized for cooling, and the air conditioner can simultaneously heat during defrosting.
Preferably, in combination with the above solutions, as shown in fig. 1 to 5, in this embodiment, the water tank heat exchanging device a further includes a first thermal bulb e; the first thermal bulb e is arranged on the inner wall of the box body a1 and is used for detecting the temperature of the aqueous solution; the heater c is arranged at the bottom of the box body a 1; the bottom of the box body a1 is also provided with a drainage flow path, and a third electromagnetic valve f is arranged on the drainage flow path; by adopting the scheme, when the air conditioning system is in a refrigeration mode, the water pump r and the first electromagnetic valve s are arranged in the water receiving tray 60, and condensed water is added into the box body a1 in the water tank heat exchange device a; the cooler b in the water tank heat exchange device a exchanges heat with the condensed water in the tank body a 1; when the temperature of a first temperature sensing bulb e in a box body a1 is higher than the condensation temperature T1, a drainage flow path in a box body a1 is opened for drainage, meanwhile, a second electromagnetic valve T is opened for adding water into a box body a1 of a water tank heat exchange device a, and a pressure sensor x T1 detects the saturation temperature corresponding to the refrigerant pressure; and/or when the air conditioning system is in a heating mode, the cooler b exchanges heat with condensed water in the box body a1, and the temperature of the condenser b is less than 5 ℃; when the temperature of the first temperature sensing bulb e in the box body a1 is less than the evaporation temperature T2, a heater in the box body a1 is started to start heating, and the T2 is the saturation temperature corresponding to the refrigerant pressure detected by the pressure sensor y; when the temperature of the first thermal bulb e in the box a1 is less than the evaporation temperature T2+2, stopping heating of the heater in the box a 1; and/or, when the air conditioning system is in a defrosting mode, starting heating by the heater c, and when the temperature of the first temperature sensing bulb e in the box body a1 is more than 30 ℃, closing the heater c.
Preferably, in combination with the above solution, as shown in fig. 1 to 5, the present embodiment further includes a compressor 10; an exhaust port of the compressor 10 is connected to a third port D of the four-way valve 40 through a seventh flow path 7; an air suction port of the compressor 10 is connected to a fourth port S of the four-way valve 40 through the sixth flow path 6; a second pressure sensor y and a second temperature sensing bulb z are arranged on the sixth flow path 6, a first pressure sensor x is arranged on the seventh flow path 7, the first pressure sensor x and the second pressure sensor y are respectively used for detecting the high-low pressure of the system refrigerant, and the second temperature sensing bulb z is used for detecting the return air temperature of the system; a second electronic expansion valve h is arranged on the first flow path 1; a first electronic expansion valve g is arranged on the second flow path 2; by adopting the scheme, when the air conditioning system is in a refrigeration mode, the refrigerant passes through the four-way valve port from the outlet of the compressor 10 and then enters the cooler b, passes through the electronic expansion valve g, the condenser 30, the electronic expansion valve h and the evaporator 20, and then returns to the compressor through the four-way valve 40, so that the refrigeration system has a simpler structure and reduces the cost; the condensed water (generally less than 20 ℃) of the evaporator exchanges heat with the condenser b (generally more than 40 ℃) in the water tank, and the load of the condenser is reduced; when the air conditioning system is in a heating mode, a refrigerant passes through the four-way valve 40 from the outlet of the compressor 10, then enters the evaporator 20, passes through the electronic expansion valve h, the condenser 30, the electronic expansion valve g and the cooler b, the four-way valve 40 returns to the compressor 10 again, is evaporated, and condensed water of the evaporator 20 is heated in the box body through the heater to exchange heat with the condenser b (generally lower than 5 ℃), so that the liquid refrigerant is ensured to be gasified, and liquid impact is prevented; when the air conditioning system is in a defrosting mode, a refrigerant enters the evaporator 20 through the four-way valve 40, enters the condenser 30 through the second electronic expansion valve h, enters the water tank heat exchange device a through the first electronic expansion valve g for cooling, and enters the compressor 10 through the four-way valve 40; the second electronic expansion valve h is in a conducting state, and the first electronic expansion valve g is in a throttling state.
Correspondingly, in combination with the above scheme, as shown in fig. 1, the present invention further provides an air conditioner control method, which is applied to the above refrigeration system; when the air conditioning system is in a refrigeration mode, a refrigerant enters the water tank heat exchange device a through the four-way valve 40 to be heated and then enters the condenser 30; and/or the presence of a gas in the gas,
when the air conditioning system is in a heating mode, the refrigerant enters the water tank heat exchange device a through the condenser 30 for cooling and then enters the compressor 10 through the four-way valve 40; and/or the presence of a gas in the gas,
when the air conditioning system is in a defrosting mode, a refrigerant enters the evaporator 20 through the four-way valve 40, enters the condenser 30 through the second electronic expansion valve h, enters the water tank heat exchange device a through the first electronic expansion valve g for cooling, and enters the compressor 10 through the four-way valve 40; the second electronic expansion valve h is in a conducting state, and the first electronic expansion valve g is in a throttling state; by adopting the scheme, when the air conditioner is used for heating and defrosting, the internal machine and the external machine of the air conditioner can be always in the heating working condition without stopping, and the experience of the air conditioner is improved.
Preferably, with reference to the above solutions, as shown in fig. 1 to 5, in this embodiment, when the air conditioning system is in the cooling mode, a water pump r and a first electromagnetic valve s are arranged in the water pan 60, and water is added to the tank a1 in the water tank heat exchanger a; and/or adding water into a box body a1 of the water tank heat exchange device a by opening a second electromagnetic valve t; then starting a stirrer m in the water tank heat exchange device a for stirring; when the water level in the box body a1 reaches the position of the high water level monitoring component d, closing the second electromagnetic valve t, and opening the drainage flow path in the box body a1 for drainage; when the air conditioning system is in a heating mode, keeping the water level in the box body a1 at the position of the high water level monitoring component d, and starting the stirrer m for stirring; when the water level in the box body a1 is reduced to the low water level monitoring component j, the second electromagnetic valve t is opened to add water to the box body a1 in the water tank heat exchange device a; and/or, starting the water pump r and the first electromagnetic valve s to add water to the box body a1 in the water tank heat exchange device a, and closing the heater c and the stirrer m in the water tank heat exchange device a.
Preferably, with reference to the above solutions, as shown in fig. 1 to 5, in this embodiment, when the air conditioning system is in the cooling mode, a water pump r and a first electromagnetic valve s are arranged in the water pan 60, and water is added to the tank a1 in the water tank heat exchanger a; the cooler b in the water tank heat exchange device a exchanges heat with the condensed water in the tank body a 1; when the temperature of a first temperature sensing bulb e in a box body a1 is higher than the condensation temperature T1, a drainage flow path in a box body a1 is opened for drainage, meanwhile, a second electromagnetic valve T is opened for adding water into a box body a1 of a water tank heat exchange device a, and a pressure sensor x T1 detects the saturation temperature corresponding to the refrigerant pressure; and/or, when the air conditioning system is in a heating mode, the cooler b exchanges heat with the condensed water in the box body a 1; when the temperature of the first temperature sensing bulb e in the box body a1 is less than the evaporation temperature T2, a heater in the box body a1 is started to start heating, and the T2 is the saturation temperature corresponding to the refrigerant pressure detected by the pressure sensor y; when the temperature of the first thermal bulb e in the box a1 is less than the evaporation temperature T2+2, stopping heating of the heater in the box a 1; and/or, when the air conditioning system is in a defrosting mode, starting heating by the heater c, and when the temperature of the first temperature sensing bulb e in the box body a1 is more than 30 ℃, closing the heater c.
Correspondingly, in combination with the scheme, the invention also provides an air conditioner, which comprises a refrigerating system; the refrigerating system is the refrigerating system.
By adopting the technical scheme, the load of the air conditioner refrigerating system can be effectively reduced, so that the stability of the air conditioner refrigerating system is improved; the scheme provided by the invention has the advantages of reasonable structure and convenience in implementation, can fully utilize the condensate water of the air conditioner for cooling, effectively reduces the operation cost of the refrigeration system of the air conditioner, and simplifies the cooling loop of the refrigeration system, thereby improving the comfort and experience of the air conditioner.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (8)
1. A refrigeration system is characterized by comprising a compressor (10), an evaporator (20), a condenser (30), a four-way valve (40) and a water tank heat exchange device (a); one end of the evaporator (20) is connected with the condenser (30) through a first flow path (1), and the other end of the evaporator (20) is connected with a first port (E) of the four-way valve (40) through a third flow path (3); the other end of the condenser (30) is connected with the water tank heat exchange device (a) through a second flow path (2), and the other end of the water tank heat exchange device (a) is connected with a second port (C) of the four-way valve (40); the water tank heat exchange device (a) is used for exchanging heat for the refrigerant flowing through the water tank heat exchange device (a) so as to adjust the temperature of the refrigerant, wherein: the water tank heat exchange device (a) comprises a tank body (a1), a heater (c) and a cooler (b); the cooler (b) and the heater (c) are respectively disposed in the case (a 1); the box body (a1) is internally provided with an aqueous solution; one end of the cooler (b) is connected with the second flow path through a cooler inlet (k1), and the other end of the cooler (b) is connected with the second end (C) of the four-way valve (40) through a cooler outlet (k 2);
an exhaust port of the compressor (10) is connected to a third port (D) of the four-way valve (40) via a seventh flow path (7); the air suction port of the compressor (10) is connected with the fourth port (S) of the four-way valve (40) through a sixth flow path (6); a second pressure sensor (y) and a second thermal bulb (z) are arranged on the sixth flow path (6); a first pressure sensor (x) is arranged on the seventh flow path (7); a second electronic expansion valve (h) is arranged on the first flow path (1); the second flow path (2) is provided with a first electronic expansion valve (g).
2. The refrigeration system of claim 1, further comprising an external water source (50); the external water source (50) is communicated with an external water source inlet (k3) of the box body (a1) through a fifth flow path (5); a second electromagnetic valve (t) is arranged on the fifth flow path (5); the water tank heat exchange device (a) further comprises a stirrer (m), a high water level monitoring component (d) and a low water level monitoring component (j); the stirrer (m) is arranged in the box body (a1), the high water level monitoring component (d) is arranged at the upper end of the inner wall of the box body, and the low water level monitoring component (j) is arranged at the lower end of the inner wall of the box body.
3. A refrigeration system according to claim 1, characterized in that the evaporator (20) is provided with a water pan (60), the water pan (60) being intended to collect condensation water of the evaporator (20); a water pump (r) is arranged in the water receiving tray (60), and the water pump (r) is communicated with a condenser water inlet (k4) of the box body (a1) through a fourth flow path (4); the fourth flow path (4) is provided with a first electromagnetic valve(s).
4. The refrigeration system of claim 1 wherein said tank heat exchanger means (a) further comprises a first bulb (e); the first thermal bulb (e) is arranged on the inner wall of the box body (a1) and is used for detecting the temperature of the aqueous solution; the heater (c) is arranged at the bottom of the box body (a 1); the bottom of the box body (a1) is also provided with a drainage flow path, and a third electromagnetic valve (f) is arranged on the drainage flow path.
5. An air conditioning control method, characterized by being applied to the refrigeration system of claim 1; when the air conditioning system is in a refrigeration mode, the refrigerant enters the water tank heat exchange device (a) through the four-way valve (40) to be heated and then enters the condenser (30); and/or the presence of a gas in the gas,
when the air conditioning system is in a heating mode, the refrigerant enters the water tank heat exchange device (a) through the condenser (30) to be cooled and then enters the compressor (10) through the four-way valve (40); and/or the presence of a gas in the gas,
when the air conditioning system is in a defrosting mode, the refrigerant enters the evaporator (20) through the four-way valve (40), enters the condenser (30) through the second electronic expansion valve (h), enters the water tank heat exchange device (a) through the first electronic expansion valve (g) for cooling, and enters the compressor (10) through the four-way valve (40); the second electronic expansion valve (h) is in a conducting state, and the first electronic expansion valve (g) is in a throttling state.
6. The air conditioning control method according to claim 5, wherein the evaporator (20) is provided with a water receiving tray (60), a water pump (r) is provided in the water receiving tray (60), and the water pump (r) is communicated with the condenser water inlet (k4) of the tank (a1) through a fourth flow path (4); a first electromagnetic valve(s) is arranged on the fourth flow path (4); an external water source (50) in the refrigeration system is communicated with an external water source inlet (k3) of the box body (a1) through a fifth flow path (5); a second electromagnetic valve (t) is arranged on the fifth flow path (5); when the air conditioning system is in a refrigeration mode, water is added into a box body (a1) in the water tank heat exchange device (a) by opening a water pump (r) and a first electromagnetic valve(s); and/or adding water into a box body (a1) of the water box heat exchange device (a) by opening a second electromagnetic valve (t); then starting a stirrer (m) in the water tank heat exchange device (a) for stirring; when the water level in the box body (a1) reaches the position of the high water level monitoring component (d), the second electromagnetic valve (t) is closed, and a drainage flow path in the box body (a1) is opened for drainage;
when the air conditioning system is in a heating mode, keeping the water level in the box body (a1) at the position of a high water level monitoring component (d), and starting a stirrer (m) for stirring; and when the water level in the tank body (a1) is reduced to the low water level monitoring component (j), a second electromagnetic valve (t) is opened to add water to the tank body (a1) in the water tank heat exchanging device (a); and/or, starting a water pump (r) and a first electromagnetic valve(s) to add water to a box body (a1) in the water tank heat exchange device (a), and closing a heater (c) and a stirrer (m) in the water tank heat exchange device (a).
7. The air conditioning control method according to claim 5, wherein when the air conditioning system is in a cooling mode, water is added to a tank (a1) in the water tank heat exchanging device (a) by turning on a water pump (r) and a first solenoid valve(s); the cooler (b) in the water tank heat exchange device (a) exchanges heat with the condensed water in the tank body (a 1);
when the temperature of the first temperature sensing bulb (e) in the box body (a1) is higher than the condensation temperature T1, a drainage flow path in the box body (a1) is opened to drain water, and meanwhile, water is added into the box body (a1) of the water tank heat exchange device (a) by opening a second electromagnetic valve (T); and/or the presence of a gas in the gas,
when the air conditioning system is in a heating mode, the cooler (b) exchanges heat with condensed water in the box body (a 1); when the temperature of a first temperature sensing bulb (e) in the box body (a1) is less than the evaporation temperature T2, a heater in the box body (a1) is turned on to start heating; stopping heating of a heater within the tank (a1) when the first bulb (e) temperature within the tank (a1) is < the evaporation temperature T2+ 2; and/or the presence of a gas in the gas,
when the air conditioning system is in a defrosting mode, the heater (c) starts to heat, and when the temperature of the first temperature sensing bulb (e) in the box body (a1) is more than 30 ℃, the heater (c) is closed.
8. An air conditioner includes a refrigeration system; characterized in that the refrigeration system is a refrigeration system according to any of the preceding claims 1 to 4.
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| CN117366696A (en) * | 2023-12-06 | 2024-01-09 | 珠海格力电器股份有限公司 | Condensed water treatment device, control method thereof and air conditioner refrigerating system |
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| US5647224A (en) * | 1995-01-19 | 1997-07-15 | Aisin Seiki Kabushiki Kaisha | Air conditioner and heat exchanger therefor |
| KR20100037445A (en) * | 2008-10-01 | 2010-04-09 | 엘지전자 주식회사 | Air-conditioning system |
| CN202177214U (en) * | 2011-06-09 | 2012-03-28 | 广东芬尼克兹节能设备有限公司 | Novel cold air water heater equipped with two condenser |
| CN102287966A (en) * | 2011-07-31 | 2011-12-21 | 湖南科技学院 | Refrigeration, heating and water boiling multipurpose air conditioner |
| KR101392856B1 (en) * | 2011-09-09 | 2014-05-14 | 김홍운 | an air conditioner with water-cooled heat exchange without an outside-equipment |
| CN202598839U (en) * | 2012-04-19 | 2012-12-12 | 广东芬尼克兹节能设备有限公司 | Safe heat pump water heater |
| CN207649417U (en) * | 2017-11-17 | 2018-07-24 | 广东米特拉电器科技有限公司 | A kind of novel heat exchange water tank |
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