CN103983043A - Drinking machine - Google Patents

Abstract

A water dispenser includes a compressor, a preheating tank, a first heat exchanger, a heating tank, a hot and cold water heat exchanger, a warm water tank, a fourth heat exchanger, an ice water tank, an expansion valve, and a second heat exchanger. and a third heat exchanger, wherein the compressor, the preheating tank, the first heat exchanger, the heating tank, the hot and cold water heat exchanger, the warm water tank, the fourth heat exchanger, and the ice water tank , the expansion valve, the second heat exchanger and the third heat exchanger are connected to each other through pipelines, wherein the compressor has a first end and a second end, and the first end of the compressor is connected to the first heat exchanger. The second end of the exchanger, and the first heat exchanger is wrapped around the outer wall of the preheating tank, the first end of the first heat exchanger is connected to the second end of the second heat exchanger, and the second The first end of the heat exchanger is connected to the second end of the expansion valve, the first end of the expansion valve is connected to the second end of the fourth heat exchanger, and the fourth heat exchanger is wrapped around the outer wall of the ice water tank .

Description

water dispenser

This application is a divisional application, the application number of the original application is 201210156076.4, the application date is May 18, 2012, and the title of the invention is "heat pump air-conditioning system and water dispenser".

technical field

The invention relates to a water dispenser using a heat pump air conditioning system.

Background technique

The most basic components in general air-conditioning equipment include four major components: evaporator, compressor, condenser and expansion valve, which are connected in sequence by pipelines to form a cycle of cooling in the evaporator and heating in the condenser system. According to different functions, different products are produced, including air conditioners, refrigerators, air conditioners, ice water hosts, refrigerators, heat pump water heaters, etc.

Please refer to Figure 1, which is a schematic diagram of the refrigerant circulation system of an existing air conditioner. The circulation system includes an evaporator, a compressor, a condenser and an expansion valve, which are connected in sequence by pipelines, and the pipelines are filled with refrigerant to form a system. Refrigerant circulation system. The working principle of this system is that the low-temperature and low-pressure refrigerant coexisting with liquid and gas absorbs heat and cools in the evaporator 1 to reduce the temperature of the surrounding fluid (the air passes through the evaporator 1 to reduce the air temperature) to generate refrigeration capacity, and the liquid and gas coexist The refrigerant evaporates into a gaseous refrigerant, and the evaporated gaseous refrigerant enters the compressor 2 through the refrigerant pipeline, and is pressurized by the compressor 2 to become a high-pressure and high-temperature gaseous refrigerant. Absorption and heating are carried out inside to increase the temperature of the surrounding fluid (the air passes through the condenser 3 to increase the air temperature) to generate heating capacity, so that the high-pressure gaseous refrigerant becomes a high-pressure liquid refrigerant, and the high-pressure liquid refrigerant enters the expansion valve through the refrigerant pipeline 4. The flow rate of the refrigerant is controlled by the expansion valve 4 and the refrigerant is decompressed and expanded. The decompressed refrigerant is a low-temperature and low-pressure refrigerant that coexists with liquid and gas. At this time, the low-temperature and low-pressure refrigerant enters the evaporator 1 through the refrigerant pipeline and evaporates Heat-absorbing refrigeration in device 1, such continuous circulation.

The traditional air-conditioning system with cooling and heating functions is shown in Figures 2 and 3, which uses the operation of the four-way valve 5 to meet the demand for making air-conditioning or heating. When a cold air environment is required, the pipelines e and f in the four-way valve 5 are communicated and g and h are communicated to form a cold air cycle. When the heating environment is required, the pipelines e and h in the four-way valve 5 are communicated and g and f are communicated to form a heating cycle. The difference between the air-conditioning cycle and the heating cycle is that the operation of the four-way valve 5 allows the high-pressure and high-temperature gaseous refrigerant to enter the evaporator 1 for heating, and the low-temperature and low-pressure refrigerant to enter the condenser 3 for cooling. Therefore, the system changes according to the function and position. The original evaporator element in cooling is changed to the condenser element in heating, and the evaporator element in heating is changed to the condenser element in cooling.

A heat pump air-conditioning system capable of producing hot water and providing indoor air-conditioning is shown in Figure 4. This system has more functions than the air conditioner, such as providing heat from the condenser 3 to the water in the heat exchange tank 7, and lifting the heat exchange tank 7. The temperature of the water inside is used to make hot water, and the hot water in the heat exchange tank 7 is stored in the hot water storage tank 6 . The cooling of the evaporator 1 enters the room to provide indoor cold air. The problem is that when the temperature of the hot water in the hot water storage tank 6 is higher, the high-pressure and high-temperature gaseous refrigerant cannot completely release the heat of condensation, which will make the high pressure of the refrigerant circulation system higher. The cooling capacity of the evaporator 1 will be reduced. Furthermore, another problem is that when hot water is produced in winter, the cooling of the evaporator 1 must be discharged to the outside, and because the outdoor temperature is low in winter, the low pressure of the refrigerant in the evaporator 1 will be lower than that during normal operation. The high-pressure refrigerant will be lower than the high-pressure refrigerant during normal operation, and the temperature of the hot water produced will naturally be lower than that during normal operation.

Contents of the invention

The technical problem solved by the present invention is to provide a water dispenser to maintain good performance and provide the function of making hot water and ice water.

Technical solution of the present invention is:

The water dispenser of the present invention includes a compressor, a preheating tank, a first heat exchanger, a heating tank, a hot and cold water heat exchanger, a warm water tank, a fourth heat exchanger, an ice water tank, An expansion valve, a second heat exchanger, and a third heat exchanger, wherein the compressor, the preheating tank, the first heat exchanger, the heating tank, the cold and hot water heat exchanger, and the warm water tank , the fourth heat exchanger, the ice water tank, the expansion valve, the second heat exchanger and the third heat exchanger communicate with each other through a pipeline, wherein the compressor has a first end and a first end Two ends, the first end of the compressor is connected to the second end of the first heat exchanger, and the first heat exchanger is wound on the outer wall of the preheating tank, the first end of the first heat exchanger is connected to The second end of the second heat exchanger, and the first end of the second heat exchanger is connected to the second end of the expansion valve, the first end of the expansion valve is connected to the second end of the fourth heat exchanger, And the fourth heat exchanger is wound on the outer wall of the ice water tank, the first end of the fourth heat exchanger is connected to the second end of the third heat exchanger, and the first end of the third heat exchanger is connected to the second end of the compressor; and the preheating tank has a first raw water inlet and a preheated water outlet, the first raw water inlet provides a first raw water into the preheating tank, and The preheated water outlet provides a heat exchanged preheated water to be sent to the hot water tank. The hot water tank has a preheated water inlet, a first hot water outlet and a second hot water outlet. The preheated water inlet provides a preheated water to enter the hot water tank, and the first hot water outlet provides heated hot water to be sent to the cold and hot water heat exchanger; the cold and hot water heat exchange The device includes a cold water heat exchanger and a hot water heat exchanger, and the cold water heat exchanger is physically attached to the body wall of the hot water heat exchanger; wherein the cold water heat exchanger has a second raw water inlet, Provide a second raw water to enter the cold water heat exchanger for heat exchange and then enter the hot water tank, the hot water is sent out from the hot water tank to exchange heat with the cold water heat exchanger through the hot water heat exchanger, The hot water is sent to the warm water tank; and the warm water tank has a warm water inlet and a warm water outlet, and the part of warm water is sent from the warm water tank to the ice water tank, and the ice water tank has a warm water inlet and a warm water outlet. The ice water outlet, the part of warm water enters from the warm water inlet of the ice water tank and exchanges heat with the fourth heat exchanger, then the ice water tank sends out ice water from the ice water outlet.

The present invention further includes a controller connected to control a first temperature detector, a second temperature detector, and a third temperature detector respectively, the first temperature detector is located on the preheating tank, and the second temperature detector Located on the hot water tank, the third temperature detector is located on the ice water tank.

The present invention further includes an electric heating wire arranged in the hot water tank, the electric heating wire is connected to a power supply, and the power supply is connected to the controller to control the opening and closing of the power supply.

The first heat exchanger of the present invention is a condenser, and the fourth heat exchanger is an evaporator.

Therefore, the water dispenser of the present invention has the function of providing hot water and ice water, and has the characteristics of improving the efficiency of the heat pump and exerting excellent operating conditions in the face of different use environments. Compared with the current water dispenser, it has more advantages. Significantly increase the frequency and time of use and greatly reduce the expenditure for hot water and ice water throughout the year.

The preferred embodiments of this creation are described in detail below in conjunction with the drawings, but these descriptions are only used to illustrate this creation, not to limit the scope of rights of this creation.

Description of drawings

FIG. 1 is a schematic diagram of a general air conditioner refrigerant circulation system.

Figures 2 and 3 are schematic diagrams of the action of general air conditioners with heating and cooling functions.

FIG. 4 is a schematic diagram of a heat pump air conditioner generally capable of producing hot water and cold air.

Fig. 5 is a schematic diagram of the first embodiment of the heat pump air-conditioning system in the present invention.

FIG. 6 is a schematic diagram of the first heat exchanger and the storage tank of the first embodiment of the heat pump air-conditioning system of the present invention.

7 is a schematic diagram of the first heat exchanger and the storage tank of the first embodiment of the heat pump air conditioning system of the present invention.

Fig. 8 is a schematic diagram of the combination of multiple sets of second and third heat exchangers of the first embodiment of the heat pump air-conditioning system of the present invention.

Fig. 9 is a schematic diagram of multiple groups of fourth heat exchangers of the first embodiment of the heat pump air-conditioning system of the present invention.

10 and 11 are schematic diagrams of the second embodiment of the heat pump air conditioning system of the present invention and its operation.

Fig. 12 is a schematic diagram of the third embodiment of the heat pump air conditioning system of the present invention.

Fig. 13 is a schematic diagram of the fourth embodiment of the heat pump air-conditioning system of the present invention.

Fig. 14 is a schematic diagram of the water dispenser of the present invention.

Explanation of main component labels:

Evaporator 1 Compressor 2

Condenser 3 Expansion valve 4

Four-way valve 5 Hot water storage tank 6

Heat exchange tank 7

Outdoor unit 100 Indoor unit 200

Compressor 10 First pipeline 11

The first valve 111 The first heat exchanger 12

Second pipeline 13 Second valve 131

Storage tank 14 Low temperature water inlet 141

Hot water outlet 142 pipeline 143

Pipeline 144 The third pipeline 15

Hot water storage tank 16 Low temperature water inlet 161

Hot water outlet 162 Fourth pipeline 17

The third valve 171 The ninth valve 172

Second heat exchanger 18 First temperature detector 181

Second temperature detector 182 Fifth pipeline 19

Fourth valve 191 Expansion valve 20

The third heat exchanger 22 The fourth heat exchanger 24

The third temperature detector 241 The first heat exchange module 242

The second heat exchange module 243 The third heat exchange module 244

Fan 245 The first bypass line 26

Fifth valve 261 Second bypass line 28

The sixth valve 281 The third bypass line 30

Fourth bypass pipeline 32 Seventh valve 322

Fan 34 Controller 36

First temperature detector 361 Second temperature detector 362

The third temperature detector 363 The first heat exchange combination 381

The second heat exchange combination 382 The third heat exchange combination 383

The first air duct 401 The second air duct 402

The third air duct 403 The fourth air duct 421

Fifth Airway 422 Sixth Airway 423

Fifth bypass pipeline 46 Eighth valve 461

Four-way valve 48 ports e, f, g, h

Sixth bypass pipeline 52 Tenth valve 521

Seventh bypass pipeline 54 fan 56

Preheating tank 58 First raw water inlet 581

Preheating water outlet 582 Hot water tank 60

Preheating water inlet 601 First hot water outlet 602

Second hot water outlet 603 Cold and hot water heat exchanger 62

Cold water heat exchanger 621 Hot water heat exchanger 622

Second raw water inlet 623 Warm water tank 64

Warm water inlet 641 Warm water outlet 642

Ice sink 66 Warm water inlet 661

Ice water outlet 662 Heating wire 68

Power supply 70

Detailed ways

In the following embodiments, for example, the same elements or structures will be represented by the same numbers.

Please refer to FIG. 5, which is a schematic diagram of a first embodiment of the heat pump air-conditioning system of the present invention. The heat pump air-conditioning system includes an outdoor unit 100 and an indoor unit 200. The outdoor unit 100 has a compressor 10, a first heat exchanger 12, A storage tank 14 is provided with the first heat exchanger 12 , a hot water storage tank 16 , a second heat exchanger 18 , an expansion valve 20 and a third heat exchanger 22 . Wherein the hot water storage tank 16 has a low temperature water inlet 161 and a hot water outlet 162, the low temperature water inlet 161 provides low temperature water to enter the hot water storage tank 16, and the hot water outlet 162 provides hot water to flow out of the hot water storage tank Slot 16. Wherein the low temperature water inlet 161 and the hot water outlet 162 are provided with a control valve (not shown in the figure) to control the inflow of low temperature water or the outflow of hot water. The indoor unit 200 includes a fourth heat exchanger 24 , and a fan 245 is disposed on one side of the fourth heat exchanger 24 . The compressor 10 is connected to the first heat exchanger 12 through a first pipeline 11 , and the first heat exchanger 12 is connected to the second heat exchanger 18 through a second pipeline 13 . The second heat exchanger 18 is connected with the expansion valve 20 with a third pipeline 15, and the expansion valve 20 is connected with the fourth heat exchanger 24 with a fourth pipeline 17, and the fourth heat exchanger 24 is connected with a first pipeline. Five pipelines 19 are connected to the compressor 10 . The first pipeline 11 is provided with a first valve 111 , and the second pipeline 13 is provided with a second valve 131 . The fourth pipeline 17 is provided with a third valve 171 , and the fifth pipeline 19 is provided with a fourth valve 191 . The second pipeline 13 between the second valve 131 and the second heat exchanger 18 is provided with a first bypass pipeline 26 bypassing the fifth pipeline 19 and located between the fourth valve 191 and the 10 compressors. The first bypass line 26 is provided with a fifth valve 261 . The fourth pipeline 17 between the third valve 171 and the expansion valve 20 is provided with a second bypass pipeline 28 connected to the third heat exchanger 22, and the second bypass pipeline 28 is provided with a sixth valve 281 . The third heat exchanger 22 is connected to the fifth pipeline 19 between the fourth heat exchanger 24 and the fourth valve 191 through a third bypass pipeline 30 . The third bypass pipeline 30 is provided with a fourth bypass pipeline 32 connected to the first pipeline 11 between the compressor 10 and the first valve 11, and the fourth bypass pipeline 32 is provided with a Seventh valve 322 .

The compressor 10 has a first end and a second end, the first end of the compressor is connected to the second end of the first heat exchanger 12, and the first end of the first heat exchanger 12 is connected to the first end The second end of the second heat exchanger 18 and the first end of the second heat exchanger 18 are connected to the second end of the expansion valve 20 . The first end of the expansion valve 20 is respectively connected to the second end of the third heat exchanger 22 and the second end of the fourth heat exchanger 24 . The first end of the third heat exchanger 22 is respectively connected between the first end of the fourth heat exchanger 24 and the second end of the compressor 10 and between the first end of the compressor 10 and the first heat exchange Between the second end of device 12.

The second heat exchanger 18 is integrated with the third heat exchanger 22 , and one or more fans 34 are disposed on one side of the second heat exchanger 18 or the third heat exchanger 22 .

The present invention further includes a controller 36 connected to the first valve 111, the second valve 131, the third valve 171, the fourth valve 191, the fifth valve 261, the sixth valve 281, the seventh valve 322 and the compressor 10 and control the opening and closing actions of each valve and the compressor 10.

When the heat pump air-conditioning system selects indoor air-conditioning and hot water demand or single air-conditioning demand through the controller 36, the controller 36 controls the first valve 111 and the second valve 131 to open, and the refrigerant passes through the second valve of the compressor 10. The high-pressure and high-temperature gaseous refrigerant at the outlet of one end passes through the first valve 111 on the first pipeline 11, and then passes through the first heat exchanger 12, so that the first heat exchanger 12 releases the heat of condensation to the storage tank 14, and The water in the storage tank 14 is heated. The heated hot water can be circulated and exchanged with the water in the hot water storage tank 16 through the pipelines 143 and 144 by using thermosiphon principle or pump. The low-temperature water in the hot water storage tank 16 can be introduced into the storage tank 14 for cyclic heat exchange, and then the heated hot water in the storage tank 14 returns to the hot water storage tank 16 to improve the temperature of the hot water storage tank 16. water temperature inside. Next, the high-pressure refrigerant enters the second heat exchanger 18 from the first heat exchanger 12 through the second pipeline 13 and the second valve 131 , and then enters the expansion valve 20 through the third pipeline 15 . The refrigerant enters the fourth heat exchanger 24 through the fourth pipeline 17 and the third valve 171 for refrigeration. Finally, the refrigerant enters the inlet of the second end of the compressor 10 through the fifth pipeline 19 and the fourth valve 191 , so that the cycle continues. At this time, the fifth valve 261 , the sixth valve 281 and the seventh valve 322 are closed, while the first valve 111 , the second valve 131 , the third valve 171 and the fourth valve 191 are opened. When the hot water is produced to a high temperature, the high-pressure and high-temperature gaseous refrigerant cannot completely release the heat of condensation in the first heat exchanger 12 to the storage tank 14, and at this time the fourth heat exchanger 24 of the outdoor unit 100 is responsible for releasing the heat of condensation function. Since the first heat exchanger 12 and the second heat exchanger 18 are used as condensers, better cooling capacity can be provided.

When the heat pump air-conditioning system selects hot water demand through the controller 36, the refrigerant passes through the high-pressure and high-temperature gaseous refrigerant at the outlet of the first end of the compressor 10, passes through the first pipeline 11 and the first valve 111, and then enters the first The heat exchanger 12 releases the heat of condensation with the water in the storage tank 14 and heats it to produce hot water. Next, the refrigerant enters the second heat exchanger 18 through the second pipeline 13 and the second valve 131 , and then enters the expansion valve 20 through the third pipeline 15 . At this time, the controller 36 closes the third valve 171 , so the refrigerant enters the third heat exchanger 22 through the second bypass line 28 and the sixth valve 281 for refrigeration and is discharged to the outside. Then return to the inlet of the second end of the compressor 10 through the third bypass pipeline 30 , the fourth pipeline 19 and the fourth valve 191 , so that the hot water is continuously circulated and produced. Wherein the sixth valve 281 can be a fully open proportional control valve. At this time, the controller 36 controls the third valve 171, the fifth valve 261, and the seventh valve 322 to close, while the first valve 111, the second valve 131, the fourth valve 191, and the sixth valve 281 are opened. . When the high-pressure and high-temperature gaseous refrigerant produces hot water for a period of time, it gradually cannot completely release the heat of condensation in the first heat exchanger 12. At this time, the second heat exchanger 18 is responsible for partially releasing the heat of condensation. The heat is sent to the third heat exchanger 22 through the fan 34 to increase the pressure of the low-temperature and low-pressure refrigerant in the third heat exchanger 22, and relatively increase the pressure of the high-pressure and high-temperature gaseous refrigerant to produce higher temperature heat. water.

When the heat pump air-conditioning system selects to produce heating demand through the controller 36, the high-pressure and high-temperature gaseous refrigerant exiting the first end of the compressor 10 passes through the fourth bypass pipeline 32, the seventh valve 322, and the fourth bypass pipe 32. Three bypass pipes 30 enter the fourth heat exchanger 24 to release condensation heat to produce warm air. Then, the refrigerant enters the expansion valve 20 through the fourth pipeline 17 and the third valve 171 . Then enter the second heat exchanger 18 through the third pipeline 15 for evaporative cooling, and discharge the cold air into the atmosphere. The refrigerant returns to the inlet of the second end of the compressor 20 through the second pipeline 13 , the first bypass pipeline 26 and the fifth valve 261 , so that the cycle continues. Wherein the controller 36 controls the first valve 111, the second valve 131, the fourth valve 191, and the sixth valve 281 to close, and the third valve 171, the fifth valve 261, and the seventh valve 322 to open . When the controller 36 detects that the low pressure is too low or the temperature at the outlet of the second heat exchanger 18 is too low, it will divide the high-pressure and high-temperature gaseous refrigerant at the outlet of the first end of the compressor 10 into two circuits, and one circuit passes through the The fourth heat exchanger 24 releases the heat of condensation to produce warm air, and the other loop passes through the third heat exchanger 22 and the sixth valve 281 to allow part of the high-pressure and high-temperature gaseous refrigerant to the third heat exchanger 22 to release the heat of condensation. This part of condensation heat is sent to the second heat exchanger 18 through the fan 34 to increase the temperature of the low-pressure low-temperature refrigerant, which can avoid the tripping caused by the low pressure and achieve the function of continuing to supply heating. These two circuits are combined in the expansion valve 20 Before connecting, and then enter the expansion valve 20.

If the heat pump air-conditioning system of the present invention is used in cold weather in the north, the sixth valve 281 can be a proportional control valve. If the heat pump air-conditioning system of the present invention is used when the weather in the south is relatively warm, the sixth valve 281 can be a general control valve.

The heat pump air conditioning system of the present invention further includes a first temperature detector 181 disposed at the second end of the second heat exchanger 18, and a second temperature detector 182 disposed at the first end of the second heat exchanger 18 , and a third temperature detector 241 is disposed at the first end of the fourth heat exchanger 24 . The controller 36 can be connected to the first temperature detector 181 , the second temperature detector 182 , and the third temperature detector 241 . The controller 36 uses the first temperature detector 181, the second temperature detector 182, and the third temperature detector 241 to detect the second heat exchanger 18 and the fourth heat exchanger 24 to avoid jumping due to low pressure. machine and achieve the function of continuing to supply heating. A fan 245 is disposed on one side of the fourth heat exchanger 24 .

Please refer to FIG. 6, in one embodiment, the first heat exchanger 12 and the storage tank 14 can also be deformed so that the first heat exchanger 12 is arranged in the storage tank 14, and the storage tank 14 has The low temperature water inlet 141 and the hot water outlet 142 .

Please refer to FIG. 7 , in one embodiment, the first heat exchanger 12 can be wound and contacted on the outer wall of the storage tank 14 in the form of a pipe, which is another modified design. Wherein the storage tank 14 has the low temperature water inlet 141 and the hot water outlet 142 .

Please refer to FIG. 8, in one embodiment, the second heat exchanger 18 and the third heat exchanger 22 can be connected together to form a first heat exchange combination 381, a second heat exchange combination 382, a The third heat exchange combination 383 and so on are connected in parallel, therefore, the present invention can be arranged in a first air channel 401 , a second air channel 402 , and a third air channel 403 in a one-to-many heat exchange combination. As shown in the figure, for example, the refrigerant pipeline design between the first heat exchange assembly 381, the second heat exchange assembly 382, and the third heat exchange assembly 383 can be connected from the first heat exchanger 12 to the first The heat exchange assembly 381 , the second heat exchange assembly 382 , and the second heat exchanger 18 of the third heat exchange assembly 383 are further connected to the expansion valve 20 . And the third heat exchanger 22 of the first heat exchange combination 381, the second heat exchange combination 382, and the third heat exchange combination 383 are connected together to the third heat exchanger of the first heat exchange combination 381 22 first end and second end.

Please refer to FIG. 9 , in one embodiment, the fourth heat exchanger 24 can be connected in multiples in parallel, and one side of each fourth heat exchanger 24 is provided with a fan 245 . Therefore, in the present invention, one-to-many fourth heat exchangers 24 can be arranged in a fourth air passage 421 , a fifth air passage 422 , and a sixth air passage 423 . Each of the fourth heat exchangers 24 and the fan 245 are combined into a first heat exchange module 242 , a second heat exchange module 243 , a third heat exchange module 244 and so on.

Please refer to Figures 10 and 11 for a second embodiment of the heat pump air-conditioning system of the present invention and a schematic diagram of its operation. The heat pump air-conditioning system includes an outdoor unit 100 and an indoor unit 200. The outdoor unit 100 has a compressor 10 and a first heat pump. The first heat exchanger 12 , a hot water storage tank 16 , a second heat exchanger 18 , an expansion valve 20 and a third heat exchanger 22 are disposed in the exchanger 12 and a storage tank 14 . Wherein the hot water storage tank 16 has a low temperature water inlet 161 and a hot water outlet 162, the low temperature water inlet 161 provides low temperature water to enter the hot water storage tank 16, and the hot water outlet 162 provides hot water to flow out of the hot water storage tank Groove 16. Wherein the low temperature water inlet 161 and the hot water outlet 162 are provided with a control valve (not shown in the figure) to control the inflow of low temperature water or the outflow of hot water. The indoor unit 200 includes a fourth heat exchanger 24 and a fan 245 is disposed on one side of the fourth heat exchanger 24 . The compressor 10 is connected to the first heat exchanger 12 through a first pipeline 11 , and the first heat exchanger 12 is connected to the second heat exchanger 18 through a second pipeline 13 . The second heat exchanger 18 is connected with the expansion valve 20 with a third pipeline 15, and the expansion valve 20 is connected with the fourth heat exchanger 24 with a fourth pipeline 17, and the fourth heat exchanger 24 is connected with a first pipeline. Five pipelines 19 are connected to the compressor 10 . The first pipeline 11 is provided with a first valve 111 , and the second pipeline 13 is provided with a second valve 131 . A third valve 171 is disposed on the fourth pipeline 17 . The second pipeline 13 between the second valve 131 and the second heat exchanger 18 is provided with a fifth bypass pipeline 46 bypassing the first pipeline 11 and located between the first valve 111 and the 10 compressors. The fifth bypass line 46 is provided with an eighth valve 461 . The fourth pipeline 17 between the third valve 171 and the expansion valve 20 is provided with a second bypass pipeline 28 connected to the third heat exchanger 22, and the second bypass pipeline 28 is provided with a sixth The valve 281 can be, for example, a proportional control valve or a general control valve. The third heat exchanger 22 is connected to the fifth pipeline 19 between the fourth heat exchanger 24 and the compressor 10 through a third bypass pipeline 30 . The second valve 131, the eighth valve 461 and the second pipeline 13 between the second heat exchanger 18, and the fifth pipeline 19 between the fourth heat exchanger 24 and the compressor 10 are set There is a four-way valve 48. The four-way valve 48 is provided with four ports e, f, g, and h, providing the functions of communicating e with f and g with h, or communicating e with h and g with f. Wherein the e and f are set on the fifth pipeline 19 to control the communication between e and f, and the g and h are set on the second pipeline 13 to control the communication between g and h. Or control e to communicate with h so that the fifth pipeline 19 communicates with the second pipeline 13 , and g communicate with f so that the fifth pipeline 19 communicates with the second pipeline 13 .

The compressor 10 has a first end and a second end, the first end of the compressor is connected to the second end of the first heat exchanger 12, and the first end of the first heat exchanger 12 passes through the four The through valve 48 is connected to the second end of the second heat exchanger 18 , and the first end of the second heat exchanger 18 is connected to the second end of the expansion valve 20 . The first end of the expansion valve 20 is respectively connected to the second end of the third heat exchanger 22 and the second end of the fourth heat exchanger 24 . The first end of the third heat exchanger 22 is connected between the first end of the fourth heat exchanger 24 and the second end connected to the compressor 10 through the four-way valve 48 .

The second heat exchanger 18 is integrated with the third heat exchanger 22 , and one or more fans 34 are disposed on one side of the second heat exchanger 18 or the third heat exchanger 22 .

The present invention further includes a controller 36 connected to the first valve 111, the second valve 131, the third valve 171, the sixth valve 281, the eighth valve 461, the four-way valve 48 and the compressor 10 respectively. And control each valve and the opening and closing action of the compressor 10.

When the heat pump air-conditioning system selects indoor air-conditioning and hot water production requirements or single air-conditioning requirements through the controller 36, the high-pressure and high-temperature gaseous refrigerant that is exported from the first end of the compressor 10 is first connected to the first valve 111. The first heat exchanger 12 performs release of condensation heat. The first heat exchanger 12 heats the water in the storage tank 14, and the heated hot water can use the thermosiphon principle or pump to combine the produced hot water with the water in the hot water storage tank 16. Carry out cyclical heat exchange, and reintroduce the low-temperature water in the hot water storage tank 16 into the storage tank 14 for cyclic heating to increase the water temperature in the hot water storage tank 16. This part is the same as that described in the first embodiment above . The high-pressure refrigerant enters the second heat exchanger 18 through the second valve 131 and the control of g and h of the four-way valve 48 , and then enters the expansion valve 20 through the third pipeline 15 . Then, it enters the fourth heat exchanger 24 through the third valve 171 for refrigeration. Then, e and f of the four-way valve 48 enter the second port inlet of the compressor 10 , and the cycle continues like this. When the hot water is produced to a high temperature, the high-pressure and high-temperature gaseous refrigerant cannot completely release the heat of condensation in the first heat exchanger 12 , and the second heat exchanger 18 is now responsible for releasing the heat of condensation. Since the first heat exchanger 12 and the second heat exchanger 18 are used as condensers, better cooling capacity can be provided.

When the heat pump air-conditioning system selects hot water demand through the controller 36, the high-pressure and high-temperature gaseous refrigerant exiting the first end of the compressor 10 first passes through the first valve 111 and then enters the first heat exchanger 12 for release and condensation. Heat to make hot water. The operation principle of the storage tank 14 and the hot water storage tank 16 for producing hot water is as described in the first embodiment, and will not be repeated here. The refrigerant enters the second heat exchanger 18 through the second valve 131 and the control of g and h of the four-way valve 48 , and then enters the expansion valve 20 through the third pipeline 15 . The cooling is then discharged to the outside through the sixth valve 281 and the third heat exchanger 22 . Then the refrigerant passes through e and f of the four-way valve 48, and then returns to the inlet of the second end of the compressor 10, so that hot water is continuously circulated. When the high-pressure and high-temperature gaseous refrigerant produces hot water for a period of time, it gradually cannot completely release the heat of condensation in the first heat exchanger 12. At this time, the second heat exchanger 18 is responsible for partially releasing the heat of condensation. The heat is sent to the third heat exchanger 22 via the fan 34, increasing the pressure of the low-temperature and low-pressure refrigerant in the third heat exchanger 22, and relatively increasing the pressure of the high-pressure and high-temperature gaseous refrigerant to produce hot water at a higher temperature.

When the heat pump air-conditioning system chooses to produce heating demand through the controller 36, the high-pressure and high-temperature gaseous refrigerant exported from the first end of the compressor 10 first passes through the eighth valve 461 and the h and e of the four-way valve 48. control, and release the heat of condensation through the fourth heat exchanger 24 to produce heating. Then, it enters the expansion valve 20 through the third valve 171 . Then, it enters the second heat exchanger 18 through the third pipeline 15 for evaporative cooling, and discharges the cold air into the atmosphere. Then go back to the second end inlet of the compressor 10 through g and f of the four-way valve 48, and so on. When the controller 36 detects that the low pressure is too low or the temperature at the outlet of the second heat exchanger 18 is too low, it will divide the high-pressure and high-temperature gaseous refrigerant at the outlet of the compressor 10 into two loops, and one loop passes through the fourth heat exchanger. The heat exchanger 24 releases the heat of condensation to produce warm air, and the other loop passes through the third heat exchanger 22 and the sixth valve 281 to allow part of the high-pressure and high-temperature gaseous refrigerant to the third heat exchanger 22 to release the heat of condensation, and condenses this part The heat is sent to the second heat exchanger 18 through the fan 34 to increase the temperature of the low-pressure and low-temperature refrigerant, which can avoid tripping due to low pressure and achieve the function of continuing to supply heating. These two circuits are connected in front of the expansion valve 20, and then enter The expansion valve 20.

As shown in FIG. 11 , the system and function of this embodiment are the same as those of the embodiment in FIG. 10 , the difference is that the four-way valve 48 can control the path of the refrigerant. As mentioned above, the action principle when the heat pump air-conditioning system selects the heating demand via the controller 36 .

Please refer to FIG. 12 which is a schematic diagram of a third embodiment of the heat pump air conditioning system of the present invention. The heat pump air conditioning system includes an outdoor unit 100 and an indoor unit 200. The outdoor unit 100 has a compressor 10, a first heat exchanger 12, The first heat exchanger 12 , a second heat exchanger 18 , an expansion valve 20 and a third heat exchanger 22 are disposed in a storage tank 14 . The storage tank 14 has a low temperature water inlet 141 and a hot water outlet 142 , the low temperature water inlet 141 provides low temperature water into the storage tank 14 , and the hot water outlet 142 provides hot water out of the storage tank 14 . Wherein the low temperature water inlet 141 and the hot water outlet 142 are both provided with a control valve (not shown in the figure) to control the inflow of low temperature water or the outflow of hot water. The indoor unit 200 includes a fourth heat exchanger 24 and a fan 56 disposed on one side thereof. The compressor 10 is connected to the first heat exchanger 12 through a first pipeline 11 , and the first heat exchanger 12 is connected to the second heat exchanger 18 through a second pipeline 13 . The second heat exchanger 18 is connected with the expansion valve 20 with a third pipeline 15, and the expansion valve 20 is connected with the fourth heat exchanger 24 with a fourth pipeline 17, and the fourth heat exchanger 24 is connected with a first pipeline. Five pipelines 19 are connected to the compressor 10 . The fourth pipeline 17 is provided with a ninth valve 172 , and the fourth pipeline 17 between the ninth valve 172 and the expansion valve 20 is provided with a sixth bypass pipeline 52 connected to the third heat exchanger 22 . The third heat exchanger 22 is connected to the fifth pipeline 19 between the fourth heat exchanger 24 and the compressor 10 through a seventh bypass pipeline 54 . A tenth valve 521 is disposed on the sixth bypass line 52 .

The compressor 10 has a first end and a second end, the first end of the compressor 10 is connected to the second end of the first heat exchanger 12, and the first end of the first heat exchanger 12 is connected to the The second end of the second heat exchanger 18 and the first end of the second heat exchanger 18 are connected to the second end of the expansion valve 20 . The first end of the expansion valve 20 is respectively connected to the second end of the third heat exchanger 22 and the second end of the fourth heat exchanger 24 . A first end of the third heat exchanger 22 is connected between a first end of the fourth heat exchanger 24 and a second end of the compressor 10 .

The second heat exchanger 18 is integrated with the third heat exchanger 22 , and one or more fans 34 are disposed on one side of the second heat exchanger 18 or the third heat exchanger 22 . The fan 56 is also disposed on one side of the fourth heat exchanger 24 .

The present invention further includes a controller 36 respectively connected to the ninth valve 172 , the tenth valve 521 and the compressor 10 to control the opening and closing of each valve and the compressor 10 .

When the heat pump air-conditioning system selects indoor air-conditioning and hot water production needs through the controller 36, the refrigerant passes through the high-pressure and high-temperature gaseous refrigerant exported from the first end of the compressor 10, and passes through the first heat exchanger 12, such as a condenser, Here the heat of condensation is released to produce hot water. Using the principle of thermosiphon, the produced hot water is stored above in the storage tank 14 . The low-temperature water in the storage tank 14 is then circulated and heated to increase the water temperature in the storage tank 14 . After the high-pressure, high-temperature gaseous refrigerant releases the condensation heat through the first heat exchanger 12, the high-pressure, high-temperature gaseous refrigerant becomes a high-pressure, high-temperature liquid refrigerant, and the high-pressure, high-temperature liquid refrigerant passes through the second heat exchanger 18, such as a condenser, and then enters The expansion valve 20. The expansion valve 20 turns the high-pressure high-temperature liquid refrigerant into a low-pressure low-temperature liquid refrigerant, so that it enters the fourth heat exchanger 24, such as an evaporator, through the ninth valve 172, and cooperates with the fan 56 to exchange the fourth heat. The evaporation heat released by the device 24 produces cool air and sends it into the room. Therefore, when the low-pressure low-temperature liquid refrigerant becomes a low-pressure low-temperature gaseous refrigerant, it enters the inlet of the second end of the compressor 10 , and the cycle continues. When the hot water is gradually produced to a high temperature, the high-pressure and high-temperature gaseous refrigerant cannot completely release the heat of condensation in the first heat exchanger 12, and the unreleased heat of condensation passes through the second heat exchanger 18 and cooperates with the fan 34 Release heat of condensation. The high-pressure, high-temperature gaseous refrigerant that has not been turned into a high-pressure, high-temperature liquid refrigerant is then released into the high-pressure, high-temperature liquid refrigerant and then enters the expansion valve 20 . After the expansion valve 20 changes the high-pressure, high-temperature liquid refrigerant into a low-pressure, low-temperature liquid refrigerant, it enters the fourth heat exchanger 24 through the ninth valve 172 and cooperates with the fan 56. The fourth heat exchanger 24 releases evaporation heat to produce The cold air can sufficiently supply the cold air to change the low-pressure low-temperature liquid refrigerant into a low-pressure low-temperature gaseous refrigerant, and then enter the inlet of the second end of the compressor 10, so that the cycle continues continuously. In this embodiment, the controller 36 controls the ninth valve 172 to open, and the tenth valve 521 to close.

When the heat pump air-conditioning system chooses to produce hot water demand through the controller 36, the high-pressure and high-temperature gaseous refrigerant exported from the first end of the compressor 10 passes through the first heat exchanger 12, such as a condenser, where condensation is released. Heat to make hot water. Using the principle of thermosiphon, the hot water produced is stored above the storage tank 14, and the low-temperature water in the storage tank 14 is circulated and heated with the water to be heated in the first heat exchanger 12 to improve the temperature of the storage tank. Water temperature within 14. After the high-pressure, high-temperature gaseous refrigerant releases the condensation heat through the first heat exchanger 12, the high-pressure, high-temperature gaseous refrigerant becomes a high-pressure, high-temperature liquid refrigerant, and the high-pressure, high-temperature liquid refrigerant passes through the second heat exchanger 18, such as a condenser, and then enters The expansion valve 20. The expansion valve 20 turns the high-pressure high-temperature liquid refrigerant into a low-pressure low-temperature liquid refrigerant, and then enters the third heat exchanger 22 through the tenth valve 521, such as an evaporator, and cooperates with the fan 34 to turn the third heat exchanger 22 release the heat of evaporation to make cold air, and discharge the cold air into the atmosphere. The air flow direction is that the outside air first passes through the second heat exchanger 18 and then passes through the third heat exchanger 22, and then discharges cold air into the atmosphere, so that the low-pressure low-temperature liquid refrigerant becomes a low-pressure low-temperature gas refrigerant, and then enters the compressor 20 The entrance of the second end, such a continuous cycle. When the temperature of the water to be heated in the storage tank 14 gradually rises, the high-pressure and high-temperature gaseous refrigerant cannot completely release the heat of condensation in the first heat exchanger 12. The exchanger 18 cooperates with the fan 34 to release the heat of condensation, and the high-pressure, high-temperature gaseous refrigerant that has not become a high-pressure, high-temperature liquid refrigerant releases the heat of condensation to become a high-pressure, high-temperature liquid refrigerant before entering the expansion valve 20 . The expansion valve 20 turns the high-pressure, high-temperature liquid refrigerant into a low-pressure, low-temperature liquid refrigerant, and then enters the third heat exchanger 22 through the tenth valve 521, and cooperates with the fan 34, the third heat exchanger 22 releases evaporation heat to produce cold air , discharge cold air into the atmosphere. Since the outdoor air first passes through the second heat exchanger 18 at this time, it first absorbs the unreleased condensation heat and heats the temperature of the outdoor air, so that the low-pressure and low-temperature liquid refrigerant in the third heat exchanger 22 is easily evaporated into a low-pressure and low-temperature gaseous refrigerant. , and can increase the pressure and temperature of the low-pressure and low-temperature gaseous refrigerant, and then enter the second end inlet of the compressor 10 . The increased pressure and temperature of the low-pressure and low-temperature gaseous refrigerant can relatively increase the pressure and temperature of the high-pressure and high-temperature gaseous refrigerant at the outlet of the first end of the compressor 10, and such continuous circulation can produce higher temperature hot water. In this embodiment, the controller 36 controls the tenth valve 521 to open, and the ninth valve 172 to close.

Please refer to FIG. 13 , which is a schematic diagram of the fourth embodiment of the heat pump air-conditioning system of the present invention. The system and functions of the heat pump air-conditioning system of the fourth embodiment are substantially the same as those of the heat pump air-conditioning system of the third embodiment, and will not be repeated here. The difference between the heat pump air-conditioning system of the fourth embodiment and the heat pump air-conditioning system of the third embodiment is that the storage tank 14 communicates with the hot water storage tank 16 through pipelines 143 and 144 . The hot water storage tank 16 has a low temperature water inlet 161 and a hot water outlet 162, the low temperature water inlet 161 provides low temperature water to enter the hot water storage tank 16, and the hot water outlet 162 provides hot water to flow out of the hot water storage tank 16. Wherein the low temperature water inlet 161 and the hot water outlet 162 are provided with a control valve (not shown in the figure) to control the inflow of low temperature water or the outflow of hot water.

Please refer to FIG. 14 which is a schematic diagram of the water dispenser of the present invention. The present invention applies a heat pump to a specific embodiment of the water dispenser. The water dispenser using the heat pump has three functions, namely providing ice water, warm water, and high-temperature hot water. The heat pump produces ice water in the ice water tank and hot water in the preheating tank.

The water dispenser of the present invention includes a compressor 10, a preheating tank 58, a first heat exchanger 12, a hot water tank 60, a hot and cold water heat exchanger 62, a warm water tank 64, and a fourth heat exchanger 24 , an ice water tank 66, an expansion valve 20, a second heat exchanger 18 and a third heat exchanger 22, wherein the compressor 10, the preheating tank 58, the first heat exchanger 12, the hot water tank 60. The hot and cold water heat exchanger 62, the warm water tank 64, the fourth heat exchanger 24, the ice water tank 66, the expansion valve 20, the second heat exchanger 18 and the third heat exchanger 22 are connected by pipelines.

The compressor 10 has a first end and a second end, the first end of the compressor 10 is connected to the second end of the first heat exchanger 12, and the first heat exchanger 12 is wound around the preheating tank 58, the first heat exchanger 12 can be a condenser. A first end of the first heat exchanger 12 is connected to a second end of the second heat exchanger 18 , and a first end of the second heat exchanger 18 is connected to a second end of the expansion valve 20 . The first end of the expansion valve 20 is connected to the second end of the fourth heat exchanger 24, and the fourth heat exchanger 24 is wound on the outer wall of the ice water tank 66, and the fourth heat exchanger 24 can be an evaporator device. A first end of the fourth heat exchanger 24 is connected to a second end of the third heat exchanger 22 , and a first end of the third heat exchanger 22 is connected to a second end of the compressor 10 .

The preheating tank 58 has a first raw water inlet 581 and a preheated water outlet 582, the first raw water inlet 581 provides a first raw water into the preheating tank 58, and the preheated water The water outlet 582 provides a heat-exchanged preheated water to be sent to the hot water tank 60 . The hot water tank 60 has a preheated water inlet 601, a first hot water outlet 602 and a second hot water outlet 603, the preheated water inlet 601 provides a preheated water into the hot water tank 60, The first hot water outlet 602 provides heated hot water to the hot and cold water heat exchanger 62 , and the second hot water outlet 603 provides hot water to users.

And this cold water heat exchanger 62 comprises a cold water heat exchanger 621 and a hot water heat exchanger 622, and the body wall of this cold water heat exchanger 621 and this hot water heat exchanger 622 sticks together, to expand The heat exchange area is convenient for heat exchange. The cold water heat exchanger 621 has a second raw water inlet 623 for providing a second raw water into the cold water heat exchanger 621 to enter the hot water tank 60 after heat exchange. After the hot water is sent out from the hot water tank 60 , the hot water heat exchanger 622 exchanges heat with the cold water heat exchanger 621 , and then the hot water becomes warm water and is sent to the warm water tank 64 . The warm water tank 64 has a warm water inlet 641 and a warm water outlet 642, and the warm water outlet 642 provides warm water to the user.

The part of the warm water is sent from the warm water tank 64 to the ice water tank 66 . The ice water tank 66 has a warm water inlet 661 and an ice water outlet 662. After the warm water enters from the warm water inlet 661 of the ice water tank 66 and exchanges heat with the fourth heat exchanger 24, the ice The water tank 66 can deliver ice water to the user from the ice water outlet 662 .

The water dispenser of the present invention further includes a controller 36 respectively connected to control a first temperature detector 361, a second temperature detector 362, a third temperature detector 363 and the compressor 10, the first temperature detector 361 is located at On the preheating tank 58 , the second temperature detector 362 is located on the hot water tank 60 , and the third temperature detector 363 is located on the ice water tank 66 .

The water dispenser of the present invention further includes a heating wire 68 disposed in the hot water tank 60, the heating wire 68 is connected to a power supply 70, and the power supply 70 can be connected to the controller 36 to control the start-up of the power supply 70. close action.

When the first raw water enters the preheating tank 58 from the first raw water inlet 581, and the pipeline of the first heat exchanger 12 is wound outside the preheating tank 58, such as a condenser, so that the first raw water A heat exchanger 12 exchanges heat with the preheating tank 58 , and produces medium-temperature hot water in the preheating tank 58 , and then supplies the medium-temperature hot water to the hot water tank 60 . In the hot water tank 60, an electric heating wire 68 is activated by the controller 36 to be heated into high-temperature hot water, and the high-temperature hot water is exchanged with the second raw water through the cold and hot water heat exchanger 62, and the temperature is lowered into warm water and stored in the warm water. Sink64. When the second raw water enters the hot water tank 60 from the second raw water inlet 623 through the cold water heat exchanger 621, and the high-temperature hot water in the hot water tank 60 passes through the hot water heat exchanger 622, the second The raw water exchanges heat with the high temperature hot water in the hot water heat exchanger 621 in the cold water heat exchanger 621, and the high temperature hot water will naturally reduce the water temperature. Therefore, the second raw water is heated by the hot and cold water heat exchanger 62 and flows into the hot water tank 60 for heating, while the warm water in the warm water tank 64 can enter the ice water tank 66 . The pipeline of the fourth heat exchanger 24 is wound outside the ice water tank 66 , such as an evaporator, so that the fourth heat exchanger 24 and the ice water tank 66 perform heat exchange, and ice water is produced in the ice water tank 66 . All drinking water is provided with high-temperature hot water by the hot water tank 60 according to user needs, the warm water tank 64 provides warm water, and the ice water tank 66 provides ice water.

In order to provide ice water, warm water, and high-temperature hot water at a suitable temperature, when the heat pump air-conditioning system is applied to a water dispenser, the controller 36 of the water dispenser has the functions of controlling the operation and setting of the ice water tank 66, the preheating tank 58, and the heating tank. The water temperature in the tank 60.

When the controller of the water dispenser chooses to make hot water and ice water at the same time, first start the compressor 10, and the high-pressure and high-temperature gaseous refrigerant that is exported from the first end of the compressor 10 passes through the first heat exchanger 12, Here, the heat of condensation is released to produce medium-temperature hot water. The medium-temperature hot water is stored in the preheating tank 58 of the water dispenser. The high-pressure, high-temperature gaseous refrigerant passes through the first heat exchanger 12, such as a condenser, and after releasing the heat of condensation, the high-pressure, high-temperature gaseous refrigerant becomes a high-pressure, high-temperature liquid refrigerant. The high-pressure and high-temperature liquid refrigerant passes through the second heat exchanger 18 , such as a condenser, and then enters the expansion valve 20 . The expansion valve 20 turns the high-pressure high-temperature liquid refrigerant into a low-pressure low-temperature liquid refrigerant, and then enters the fourth heat exchanger 24, such as an evaporator, where the heat of evaporation is released to produce ice water, and the ice water is stored in the ice water dispenser. In the water tank 66, after the low-pressure low-temperature liquid refrigerant is changed into a low-pressure low-temperature gaseous refrigerant, it passes through the third heat exchanger 22, such as an evaporator, and then enters the second end inlet of the compressor 10, so that the cycle continues, and at the same time Make medium-temperature hot water and ice water until reaching the set temperature of the ice water tank and the preheating tank.

When the controller of the water dispenser chooses to produce hot water, the compressor 10 is started, and the high-pressure, high-temperature gaseous refrigerant exiting the first end of the compressor 10 passes through the first heat exchanger 12, where it releases condensation heat to produce Medium-temperature hot water is stored in the preheating tank 58 . After the high-pressure, high-temperature gaseous refrigerant releases condensation heat through the second heat exchanger 18 , the high-pressure, high-temperature gaseous refrigerant becomes a high-pressure, high-temperature liquid refrigerant, and the high-pressure, high-temperature liquid refrigerant passes through the second heat exchanger 18 and enters the expansion valve 20 . The expansion valve 20 changes the high-pressure high-temperature liquid refrigerant into a low-pressure low-temperature liquid refrigerant and then enters the fourth heat exchanger 24 . Since the ice water in the ice water tank 66 is relatively low temperature at this time, the low-pressure low-temperature liquid refrigerant cannot completely release the heat of evaporation in the fourth heat exchanger 24, so that the low-pressure low-temperature liquid refrigerant becomes a low-pressure low-temperature gaseous refrigerant. Completely become a low-pressure low-temperature gaseous refrigerant, and then pass through the third heat exchanger 22 and cooperate with the fan 34 to release the evaporation heat in the water dispenser space, and turn the incomplete low-pressure low-temperature gaseous refrigerant into a low-pressure low-temperature gaseous refrigerant, and then Entering the second end inlet of the compressor 10 , the medium-temperature hot water is produced in such a continuous cycle until reaching the set temperature of the preheating tank 58 .

When the controller of the water dispenser chooses to make ice water, the compressor 10 is started, and the high-pressure, high-temperature gaseous refrigerant that is exported from the first end of the compressor 10 passes through the first heat exchanger 12, where it releases condensation heat to produce Medium-temperature hot water, since the preheating tank 58 of the water dispenser has stored medium-temperature hot water, the high-pressure and high-temperature gaseous refrigerant cannot release heat of condensation here, and the high-pressure and high-temperature gaseous refrigerant passes through the second heat exchanger 18 and cooperates with the fan 34 The heat of condensation is released, and the high-pressure and high-temperature gaseous refrigerant is turned into a high-pressure, high-temperature liquid refrigerant, which then enters the expansion valve 20 . The expansion valve 20 turns the high-pressure, high-temperature liquid refrigerant into a low-pressure, low-temperature liquid refrigerant and then enters the fourth heat exchanger 24, where it releases heat of evaporation to produce ice water, and stores the ice water in the ice water tank 66 of the water dispenser to make the low-pressure, low-temperature The liquid refrigerant becomes a low-pressure low-temperature gas refrigerant, and then passes through the third heat exchanger 22 . Since the fan 34 introduces the external air through the second heat exchanger 18 to release the condensation heat of the high-pressure high-temperature gaseous refrigerant, the condensation heat heats the external air, and then flows through the low-pressure low-temperature gaseous refrigerant in the third heat exchanger 22 Heating the low-pressure and low-temperature gaseous refrigerant increases the pressure and temperature of the low-pressure and low-temperature gaseous refrigerant, and then enters the inlet of the second end of the compressor 10, which naturally increases the pressure and temperature of the high-pressure and high-temperature gaseous refrigerant at the outlet of the first end of the compressor 10 Relatively, the ability of the first heat exchanger 12 to produce higher-temperature medium-temperature hot water can be improved, and the temperature of the medium-temperature hot water that has been stored in the preheating tank 58 of the water dispenser can be increased, so that it cannot be completely heated in this water dispenser. The high-pressure and high-temperature gaseous refrigerant condensation heat released by the preheating tank 58 is then released through the second heat exchanger 18 and the fan 34 to release the condensation heat. Such a continuous cycle can not only achieve the purpose of making ice water, but also improve the quality of the water dispenser. The temperature in the preheating tank 58 relatively reduces the energy consumption of heating the electric heating wire into high-temperature hot water, which can achieve the effect of energy saving.

Therefore, the water dispenser of the present invention has the function of providing hot water and ice water, and has the characteristics of improving the efficiency of the heat pump and exerting excellent operating conditions in the face of different use environments. Compared with the current water dispenser, it has more advantages and can greatly The increase in the frequency and time of use and the substantial reduction in the expenditure for hot water and ice water throughout the year meet the requirements of the patent, and the application is filed in accordance with the law.

The above descriptions are only illustrative specific implementations of the present invention, and are not intended to limit the scope of the present invention. Any equivalent changes and modifications made by those skilled in the art without departing from the concept and principle of the present invention shall fall within the protection scope of the present invention.

Claims (2)

1. a water dispenser, is characterized in that, includes a compressor, one fore-warmer tank, one first heat exchanger, one heating tank, one hot and cold water heat exchanger, one warm water tank, one the 4th heat exchanger, one frozen water groove, one expansion valve, one second heat exchanger and one the 3rd heat exchanger, wherein this compressor, this fore-warmer tank, this first heat exchanger, this heating tank, this hot and cold water heat exchanger, this warm water tank, the 4th heat exchanger, this frozen water groove, this expansion valve, this second heat exchanger and the 3rd heat exchanger are to each other with a pipeline connection, wherein this compressor has a first end and one second end, the first end of this compressor connects the second end of this first heat exchanger, and this first heat exchanger is wrapped on the outer wall of this fore-warmer tank, the first end of this first heat exchanger connects the second end of this second heat exchanger, and the first end of this second heat exchanger connects the second end of this expansion valve, the first end of this expansion valve connects the second end of the 4th heat exchanger, and the 4th heat exchanger is wrapped on the outer wall of this frozen water groove, the first end of the 4th heat exchanger connects the second end of the 3rd heat exchanger, and the first end of the 3rd heat exchanger is connected to the second end of this compressor, and this fore-warmer tank has one first unboiled water water inlet and a preheating water delivery port, this the first unboiled water water inlet provides one first unboiled water to enter in this fore-warmer tank, this preheating water delivery port provides through a preheating water of heat exchange and sends to this hot water storgae, this hot water storgae has a preheating water water inlet and one first hot water outlet and one second hot water outlet, this preheating water water inlet provides a preheating water to enter in this hot water storgae, and this first hot water outlet provides the hot water after heating to send to this hot and cold water heat exchanger, this hot and cold water heat exchanger comprises a cold-water heat-exchanger and a hot water heat exchanger, together with fitting this cold-water heat-exchanger and this hot water heat exchanger's body wall entity, wherein this cold-water heat-exchanger has one second unboiled water water inlet, provide one second unboiled water to enter this cold-water heat-exchanger enters in this hot water storgae after heat exchange, this hot water carries out after heat exchange through this hot water heat exchanger and this cold-water heat-exchanger after being sent by this hot water storgae, and hot water alternating temperature water is delivered in this warm water tank, and this warm water tank still has a warm water water inlet and a warm water delivery port, this part warm water is in this warm water tank is delivered to this frozen water groove, this frozen water groove has a warm water water inlet and a frozen water delivery port, this part warm water enter and carry out after heat exchange with the 4th heat exchanger from the warm water water inlet of this frozen water groove, and this frozen water groove is sent frozen water from this frozen water delivery port.

2. water dispenser as claimed in claim 1, is characterized in that, this second heat exchanger and the 3rd heat exchanger are combined into a heat exchange combination, and are provided with one or more fan in a side of this second heat exchanger or the 3rd heat exchanger.