CN110887262B - Refrigerating system and kitchen appliance - Google Patents
Refrigerating system and kitchen appliance Download PDFInfo
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- CN110887262B CN110887262B CN201911308207.4A CN201911308207A CN110887262B CN 110887262 B CN110887262 B CN 110887262B CN 201911308207 A CN201911308207 A CN 201911308207A CN 110887262 B CN110887262 B CN 110887262B
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- heat exchanger
- control valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
Abstract
The invention relates to a refrigerating system and a kitchen appliance, wherein the refrigerating system comprises a compressor; the first heat exchanger and the third heat exchanger are connected with the compressor through a first control valve, and the first control valve is used for controlling a refrigerant to flow in the first heat exchange path or the second heat exchange path; in the first heat exchange path, the refrigerant flows out of the compressor and exchanges heat with tap water in a first tap water pipe in the first heat exchanger, and the refrigerant flowing out of the first heat exchanger is shunted to a second heat exchanger for evaporation and cooling, exchanges heat with kitchen air in a third heat exchanger and then flows back to the compressor; in the second heat exchange path, the refrigerant flows out of the compressor and exchanges heat with tap water in a second tap water pipe in the third heat exchanger, and the refrigerant flowing out of the third heat exchanger is shunted to the second heat exchanger to be evaporated and cooled, and flows back to the compressor after the first heat exchanger exchanges heat with kitchen air. The invention can realize the functions of a refrigerator, an air conditioner and a kitchen appliance in the primary heat exchange process, thereby reducing the heat exchange times and ensuring lower energy consumption.
Description
Technical Field
The invention belongs to the technical field of household appliances, and particularly relates to a refrigerating system and a kitchen appliance.
Background
Along with the improvement of the living standard of people, the electric appliances such as refrigerators, air conditioners, kitchen appliances and the like are gradually popularized to every family, the electric appliances bring convenience and comfortableness to the life of people, and the living standard of people is improved.
In the prior art, refrigerators and chef-packs are mainly applied to kitchens, and air conditioners are mainly applied to living rooms and bedrooms, however, in summer or winter, the environment temperature is not suitable when people cook in the kitchens, so people have the requirement of being equipped with air conditioners in the kitchens.
However, in life, the time for cooking is short, the cost for separately providing an air conditioner for a kitchen is high, and after the air conditioner is provided for the kitchen, the energy consumption of the refrigerator, the air conditioner and the kitchen appliance which are independently operated is high.
Disclosure of Invention
In order to solve the above problems in the prior art, that is, to solve the problems of the existing refrigerator, air conditioner and kitchen appliance that they are independent of each other and the energy consumption is high, an embodiment of the present invention provides a refrigeration system, including a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, a first tap water pipe and a second tap water pipe; the first heat exchanger and the third heat exchanger are connected with the compressor through a first control valve, and the first control valve is used for controlling a refrigerant to flow in a first heat exchange path or a second heat exchange path;
in the first heat exchange path, after flowing out of the compressor, a refrigerant exchanges heat with tap water in the first tap water pipe in the first heat exchanger, and the refrigerant flowing out of the first heat exchanger is shunted to the second heat exchanger for evaporation and cooling, exchanges heat with kitchen air in the third heat exchanger, and then flows back to the compressor;
in the second heat exchange path, refrigerant flows out of the compressor and exchanges heat with tap water in the second tap water pipe in the third heat exchanger, and the refrigerant flowing out of the third heat exchanger is distributed to the second heat exchanger to be evaporated and cooled, and flows back to the compressor after the first heat exchanger exchanges heat with kitchen air.
In a preferred embodiment of the refrigeration system, the refrigeration system further includes a first refrigerant pipeline and a second refrigerant pipeline connected in series, the first refrigerant pipeline includes a first branch and a second branch connected in parallel, the first branch passes through the first heat exchanger, the first tap water pipe also passes through the first heat exchanger, and the second branch passes through the second heat exchanger; the second refrigerant pipeline comprises a third branch and a fourth branch which are connected in parallel, the third branch passes through the third heat exchanger, the second tap water pipe also passes through the third heat exchanger, and the fourth branch passes through the second heat exchanger.
In a preferred embodiment of the refrigeration system, the first control valve is an electromagnetic four-way reversing valve, a first interface of the compressor is connected to a first interface of the first control valve, a first end of the first refrigerant pipeline is connected to a second interface of the first control valve, a first end of the second refrigerant pipeline is connected to a third interface of the first control valve, and a second interface of the compressor is connected to a fourth interface of the first control valve.
In a preferred embodiment of the above refrigeration system, the second end of the first refrigerant pipeline is connected to the second end of the second refrigerant pipeline through a second control valve, and the second control valve is a throttle valve.
In a preferred embodiment of the refrigeration system, the first branch line is further provided with a first electromagnetic expansion valve, and the first electromagnetic expansion valve is arranged between the first heat exchanger and the second control valve; and the first electromagnetic expansion valve is connected with a third control valve in parallel.
In a preferred embodiment of the above refrigeration system, a fourth control valve and a second electromagnetic expansion valve are further disposed on the second branch, the fourth control valve is disposed between the first control valve and the second heat exchanger, and the second electromagnetic expansion valve is disposed between the second heat exchanger and the second control valve.
In a preferred embodiment of the refrigeration system, a third electromagnetic expansion valve is further disposed on the third branch, and the third electromagnetic expansion valve is disposed between the third heat exchanger and the second control valve; and the third electromagnetic expansion valve is connected with a fifth control valve in parallel.
In a preferred embodiment of the refrigeration system, a sixth control valve and a fourth electromagnetic expansion valve are further disposed on the fourth branch, the sixth control valve is disposed between the first control valve and the second heat exchanger, and the fourth electromagnetic expansion valve is disposed between the second heat exchanger and the second control valve.
In a preferred embodiment of the above refrigeration system, the third control valve, the fourth control valve, the fifth control valve and the sixth control valve are all shut-off valves.
Another embodiment of the invention provides a kitchen appliance comprising a refrigeration system as described in any of the above.
As can be appreciated by those skilled in the art, the present invention provides a refrigeration system and a kitchen appliance, the refrigeration system includes a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, a first tap water pipe and a second tap water pipe; the first heat exchanger and the third heat exchanger are connected with the compressor through a first control valve, and the first control valve is used for controlling a refrigerant to flow in the first heat exchange path or the second heat exchange path; in the first heat exchange path, the refrigerant flows out of the compressor and exchanges heat with tap water in a first tap water pipe in the first heat exchanger, and the refrigerant flowing out of the first heat exchanger is shunted to a second heat exchanger for evaporation and cooling, exchanges heat with kitchen air in a third heat exchanger and then flows back to the compressor; in the second heat exchange path, the refrigerant flows out of the compressor and exchanges heat with tap water in a second tap water pipe in the third heat exchanger, and the refrigerant flowing out of the third heat exchanger is shunted to the second heat exchanger to be evaporated and cooled, and flows back to the compressor after the first heat exchanger exchanges heat with kitchen air. The refrigeration system can simultaneously realize the functions of a refrigerator, an air conditioner and a kitchen appliance, reduces the heat exchange times of the system and has lower energy consumption.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a refrigeration system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an equivalent structure of a refrigeration system in a first heat exchange path according to an embodiment of the present invention;
fig. 3 is a schematic view of an equivalent structure of a refrigeration system in a second heat exchange path according to an embodiment of the present invention.
Description of reference numerals:
100-a compressor;
200-a first refrigerant pipeline;
210-a first branch;
220-a second branch;
300-a second refrigerant pipeline;
310-a third branch;
320-a fourth branch;
410-a first heat exchanger;
420-a second heat exchanger;
430-a third heat exchanger;
510-a first control valve;
520-a second control valve;
530-a third control valve;
540-a fourth control valve;
550-a fifth control valve;
560-sixth control valve;
610-the inlet of the first tap water pipe;
620-outlet of the first tap water pipe;
630-a water inlet of a second tap water pipe;
640-the outlet of the second tap water pipe;
710-a first electromagnetic expansion valve;
720-a second electromagnetic expansion valve;
730-a third electromagnetic expansion valve;
740-a fourth electromagnetic expansion valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "inner", "outer", "upper", "bottom", "front", "rear", and the like, when used, refer to the orientation or positional relationship shown in the drawings, which are used for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting.
The following describes a preferred technical solution of a refrigeration system and a kitchen appliance provided by the embodiment of the present invention.
Example one
FIG. 1 is a schematic diagram of a refrigeration system according to an embodiment of the present invention; please refer to fig. 1. The present embodiment provides a refrigeration system including a compressor 100, a first heat exchanger 410, a second heat exchanger 420, a third heat exchanger 430, a first tap water pipe, and a second tap water pipe; the first heat exchanger 410 and the third heat exchanger 430 are both connected to the compressor 100 through a first control valve 510, and the first control valve 510 is used for controlling the refrigerant to flow in the first heat exchange path or the second heat exchange path.
In the first heat exchange path, the refrigerant flows out of the compressor 100 and exchanges heat with tap water in the first heat exchanger 410 and the first tap water pipe, and the refrigerant flowing out of the first heat exchanger 410 is distributed to the second heat exchanger 420 for evaporation and temperature reduction, exchanges heat with kitchen air in the third heat exchanger 430, and then flows back to the compressor 100.
In the second heat exchange path, the refrigerant flows out of the compressor 100 and exchanges heat with tap water in the second tap water pipe at the third heat exchanger 430, and the refrigerant flowing out of the third heat exchanger 430 is distributed to the second heat exchanger 420 for evaporation and temperature reduction, exchanges heat with kitchen air at the first heat exchanger 410, and then flows back to the compressor 100.
Through the above arrangement, the flowing direction of the refrigerant in the refrigeration system can be controlled by the first control valve 510 in the embodiment, so that the functions of air conditioning refrigeration and heating, a refrigerator and a kitchen appliance are realized. Compare in prior art refrigerator, air conditioner and the precious state of independently operating in kitchen, the refrigerating system of this embodiment can realize refrigerator, air conditioner and the precious function in kitchen simultaneously at a heat transfer in-process of refrigerant, has reduced the heat transfer number of times for energy resource consumption is lower, and occupation space is littleer.
Further, the present embodiment further includes a first refrigerant pipeline 200 and a second refrigerant pipeline 300 connected in series, the first refrigerant pipeline 200 includes a first branch 210 and a second branch 220 connected in parallel, the first branch 210 passes through the first heat exchanger 410, and the first tap water pipe also passes through the first heat exchanger 410; the second refrigerant pipeline 300 includes a third branch 310 and a fourth branch 320 connected in parallel, the third branch 310 passes through the third heat exchanger 430, the second tap water pipe also passes through the third heat exchanger 430, and the fourth branch 320 passes through the second heat exchanger 420.
Specifically, referring to fig. 1, in the embodiment, the first refrigerant pipeline 200 includes a first branch 210 and a second branch 220 connected in parallel, the first branch 210 passes through a first interface and a second interface of the first heat exchanger 410, a third interface of the first heat exchanger 410 is connected to a water inlet 610 of a first tap water pipe, and a fourth interface of the first heat exchanger 410 is connected to a water outlet 620 of the first tap water pipe; the second branch 220 passes through the first and second ports of the second heat exchanger 420.
The second refrigerant pipeline 300 comprises a third branch 310 and a fourth branch 320 which are connected in parallel, the third branch 310 passes through a first connector and a second connector of a third heat exchanger 430, the third connector of the third heat exchanger 430 is connected with a water inlet 630 of a second tap water pipe, and the fourth connector of the third heat exchanger 430 is connected with a water outlet 640 of the second tap water pipe; the fourth branch 320 passes through the third port and the fourth port of the second heat exchanger 420.
Through the above arrangement, the first heat exchanger 410 is connected to the first branch 210 of the first refrigerant pipeline 200, and the first heat exchanger 410 is connected to the first tap water pipe at the same time, so that water flow in the first tap water pipe can be selectively heated during heat exchange, and a function of a kitchen appliance is realized.
The second heat exchanger 420 is connected to the first refrigerant pipeline 200 and the second refrigerant pipeline 300, and the storage function of the refrigerator can be realized by using the second heat exchanger 420.
The third heat exchanger 430 is connected to the third branch 310 of the second refrigerant pipeline 300, and the third heat exchanger 430 is simultaneously connected to the second tap water pipe, so that water flow in the second tap water pipe can be selectively heated during heat exchange, and a function of a kitchen appliance is realized.
Meanwhile, the first heat exchanger 410 and the third heat exchanger 430 are combined to jointly realize the function of an air conditioner.
When the refrigeration system of this embodiment operates under the first heat exchange route, the high-temperature high-pressure refrigerant flowing out of the compressor 100 flows into the first branch 210, and the refrigerant flowing into the first branch 210 exchanges heat with the cold water in the first tap water pipe in the first heat exchanger 410, so that the high-temperature high-pressure refrigerant is cooled, and the cold water in the first tap water pipe is heated, so that the cold water is heated, and the user can wash vegetables, brush bowls and the like conveniently, thereby realizing the function of a kitchen appliance. The refrigerant flowing out of the first heat exchanger 410 enters the third branch 310 and the fourth branch 320 of the second refrigerant pipeline 300 through the second control valve 520, and the refrigerant flowing into the third branch 310 enters the third heat exchanger 430 for evaporation and temperature reduction, so that an air conditioning function is realized at the third heat exchanger 430; the refrigerant flowing into the fourth branch 320 enters the second heat exchanger 420 for evaporation and cooling, so that the storage function of the refrigerator is realized at the second heat exchanger 420; the refrigerant flowing out of the second heat exchanger 420 and the third heat exchanger 430 is merged and then flows into the compressor 100 again, thereby realizing the circulation of the refrigerant.
When the refrigeration system of this embodiment operates under the second heat exchange path, the high-temperature high-pressure refrigerant flowing out of the compressor 100 flows into the third branch 310, and the refrigerant flowing into the third branch 310 exchanges heat with cold water in the second tap water pipe in the third heat exchanger 430, so that the high-temperature high-pressure refrigerant is cooled, and the cold water in the second tap water pipe is heated, so that the temperature of the cold water is raised, and a user can wash vegetables, brush bowls and the like conveniently, thereby realizing the function of a kitchen appliance. The refrigerant flowing out of the third heat exchanger 430 enters the first branch 210 and the second branch 220 of the first refrigerant pipeline 200 through the second control valve 520, and the refrigerant flowing into the first branch 210 enters the first heat exchanger 410 for evaporation and temperature reduction, so that an air conditioning function is realized at the first heat exchanger 410; the refrigerant flowing into the second branch 220 enters the second heat exchanger 420 for evaporation and cooling, so that the storage function of the refrigerator is realized at the second heat exchanger 420; the refrigerant flowing out of the second heat exchanger 420 and the first heat exchanger 410 is merged and then flows into the compressor 100 again, thereby realizing the circulation of the refrigerant.
As can be seen from the above description, the refrigeration system of the present embodiment can simultaneously implement the functions of a refrigerator, an air conditioner and a kitchen appliance, so that the kitchen appliance using the system occupies a small space and consumes less energy.
Further, please continue to refer to fig. 1. In this embodiment, the first control valve 510 may be a four-way control valve commonly used in the prior art, such as an electromagnetic four-way reversing valve. In this embodiment, the first port of the compressor 100 is connected to the first port of the first control valve 510, the first end of the first refrigerant pipeline 200 is connected to the second port of the first control valve 510, the first end of the second refrigerant pipeline 300 is connected to the third port of the first control valve 510, and the second port of the compressor 100 is connected to the fourth port of the first control valve 510. That is, in the present embodiment, the opening and closing states of the different ports can be switched by the first control valve 510, so as to control the flow direction of the refrigerant.
In the above preferred embodiment of the refrigeration system, the second end of the first refrigerant pipeline 200 is connected to the second end of the second refrigerant pipeline 300 through a second control valve 520, and the second control valve 520 may be a throttle valve, which can control the flow rate of the refrigerant between the first refrigerant pipeline 200 and the second refrigerant pipeline 300, so as to match the flow rate of the refrigerant with the demand of the system.
In the preferred embodiment of the refrigeration system, the first branch 210 is further provided with a first electromagnetic expansion valve 710, and the first electromagnetic expansion valve 710 is arranged between the first heat exchanger 410 and the second control valve 520; the third control valve 530 is connected in parallel to the first electromagnetic expansion valve 710. The first electromagnetic expansion valve 710 mainly functions to throttle and control the flow rate of the refrigerant, so that the refrigerant exchanges heat in the first heat exchanger 410. The third control valve 530 may control whether the refrigerant passes through the first electromagnetic expansion valve 710.
In the above-described preferred embodiment of the refrigeration system, the second branch 220 is further provided with a fourth control valve 540 and a second electromagnetic expansion valve 720, the fourth control valve 540 is disposed between the first control valve 510 and the second heat exchanger 420, and the second electromagnetic expansion valve 720 is disposed between the second heat exchanger 420 and the second control valve 520. The second electromagnetic expansion valve 720 mainly functions to throttle and control the flow rate of the refrigerant, so that the refrigerant exchanges heat in the second heat exchanger 420. The fourth control valve 540 may control whether the refrigerant flows through the second branch 220.
In the preferred embodiment of the refrigeration system, the third branch 310 is further provided with a third electromagnetic expansion valve 730, and the third electromagnetic expansion valve 730 is arranged between the third heat exchanger 430 and the second control valve 520; the third electromagnetic expansion valve 730 is connected in parallel with the fifth control valve 550. The third electromagnetic expansion valve 730 mainly functions to throttle and control the flow rate of the refrigerant, so that the refrigerant exchanges heat in the third heat exchanger 430. The fifth control valve 550 may control whether the refrigerant flows through the third electromagnetic expansion valve 730.
In the above-described preferred embodiment of the refrigeration system, the fourth branch 320 is further provided with a sixth control valve 560 and a fourth electromagnetic expansion valve 740, the sixth control valve 560 is disposed between the first control valve 510 and the second heat exchanger 420, and the fourth electromagnetic expansion valve 740 is disposed between the second heat exchanger 420 and the second control valve 520. The fourth electromagnetic expansion valve 740 mainly functions to throttle and control the flow rate of the refrigerant, so that the refrigerant exchanges heat in the second heat exchanger 420. The sixth control valve 560 may control whether the refrigerant flows through the fourth branch 320.
In the above-described preferred embodiment of the refrigeration system, the third control valve 530, the fourth control valve 540, the fifth control valve 550, and the sixth control valve 560 may be selected as a shut-off valve.
The refrigeration system of the present embodiment has two different operating states.
FIG. 2 is a schematic diagram of an equivalent structure of a refrigeration system in a first heat exchange path according to an embodiment of the present invention; please refer to fig. 2. In the first heat exchange path, when the first control valve 510, the second control valve 520, the third control valve 530, and the sixth control valve 560 in the refrigeration system are opened, the fourth control valve 540 and the fifth control valve 550 are closed; the high-temperature and high-pressure refrigerant flowing out of the compressor 100 flows into the first branch line 210 through the first control valve 510, and the refrigerant flowing into the first branch line 210 exchanges heat with cold water in the first tap water pipe in the first heat exchanger 410, so that the high-temperature and high-pressure refrigerant is cooled, the cold water in the first tap water pipe is heated, the temperature of the cold water is raised, a user can wash vegetables, brush bowls and the like conveniently, and the function of a kitchen appliance is realized. The refrigerant flowing out of the first heat exchanger 410 passes through the third control valve 530 and the second control valve 520 and then enters the third branch 310 and the fourth branch 320 of the second refrigerant pipeline 300, and the refrigerant flowing into the third branch 310 passes through the third electromagnetic expansion valve 730 and then enters the third heat exchanger 430 for evaporation and temperature reduction, so that an air conditioning function is realized at the third heat exchanger 430; the refrigerant flowing into the fourth branch 320 enters the second heat exchanger 420 for evaporation and temperature reduction after flowing through the fourth electromagnetic expansion valve 740, so that the storage function of the refrigerator is realized at the second heat exchanger 420; the refrigerant flowing out of the second heat exchanger 420 and the third heat exchanger 430 is merged and then flows into the compressor 100 again, thereby realizing the circulation of the refrigerant.
FIG. 3 is a schematic diagram of an equivalent structure of a refrigeration system in a second heat exchange path according to an embodiment of the present invention; please refer to fig. 3. In the first heat exchange path, when the first control valve 510, the second control valve 520, the fourth control valve 540, and the fifth control valve 550 in the refrigeration system are opened, the third control valve 530 and the sixth control valve 560 are closed; the high-temperature and high-pressure refrigerant flowing out of the compressor 100 flows into the third branch 310 through the first control valve 510, and the refrigerant flowing into the third branch 310 exchanges heat with cold water in the second tap water pipe in the third heat exchanger 430, so that the high-temperature and high-pressure refrigerant is cooled, the cold water in the second tap water pipe is heated, the temperature of the cold water is raised, a user can conveniently wash vegetables, brush bowls and the like, and the function of a kitchen appliance is realized. The refrigerant flowing out of the third heat exchanger 430 enters the first branch 210 and the second branch 220 of the first refrigerant pipeline 200 after passing through the fifth control valve 550 and the second control valve 520, and the refrigerant flowing into the first branch 210 enters the first heat exchanger 410 for evaporation and temperature reduction after passing through the first electromagnetic expansion valve 710, so that an air conditioning function is realized at the first heat exchanger 410; the refrigerant flowing into the second branch 220 enters the second heat exchanger 420 for evaporation and temperature reduction after passing through the second electromagnetic expansion valve 720, so that the storage function of the refrigerator is realized at the second heat exchanger 420; the refrigerant flowing out of the second heat exchanger 420 and the first heat exchanger 410 is merged and then flows into the compressor 100 again, thereby realizing the circulation of the refrigerant.
The refrigeration system of the embodiment can simultaneously realize the functions of a refrigerator, an air conditioner and a kitchen appliance, thereby being beneficial to the kitchen appliance using the system to occupy smaller space and having lower energy consumption.
Example two
The embodiment provides a kitchen appliance comprising the refrigeration system as described in the first embodiment.
The structure of the refrigeration system and the beneficial effects thereof in this embodiment have been described in detail in the first embodiment, and are not described again here.
As can be understood by those skilled in the art, since the kitchen appliance of the present embodiment employs the refrigeration system as described in the first embodiment, the kitchen appliance occupies a smaller space and consumes less energy.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A refrigeration system is characterized by comprising a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, a first tap water pipe, a second tap water pipe, a first refrigerant pipeline and a second refrigerant pipeline which are connected in series; the third heat exchanger is connected to the first refrigerant pipeline and the second refrigerant pipeline at the same time; the first heat exchanger and the third heat exchanger are connected with the compressor through a first control valve, and the first control valve is used for controlling a refrigerant to flow in a first heat exchange path or a second heat exchange path;
in the first heat exchange path, after flowing out of the compressor, a refrigerant exchanges heat with tap water in the first tap water pipe in the first heat exchanger, and the refrigerant flowing out of the first heat exchanger is shunted to the second heat exchanger for evaporation and cooling, exchanges heat with kitchen air in the third heat exchanger, and then flows back to the compressor;
in the second heat exchange path, refrigerant flows out of the compressor and exchanges heat with tap water in the second tap water pipe in the third heat exchanger, and the refrigerant flowing out of the third heat exchanger is distributed to the second heat exchanger to be evaporated and cooled, and flows back to the compressor after the first heat exchanger exchanges heat with kitchen air.
2. The refrigeration system of claim 1, wherein the first refrigerant conduit comprises a first branch and a second branch connected in parallel, the first branch passing through the first heat exchanger, the first tap water line also passing through the first heat exchanger, the second branch passing through the second heat exchanger; the second refrigerant pipeline comprises a third branch and a fourth branch which are connected in parallel, the third branch passes through the third heat exchanger, the second tap water pipe also passes through the third heat exchanger, and the fourth branch passes through the second heat exchanger.
3. The refrigeration system according to claim 2, wherein the first control valve is an electromagnetic four-way reversing valve, the first port of the compressor is connected to the first port of the first control valve, the first end of the first refrigerant pipeline is connected to the second port of the first control valve, the first end of the second refrigerant pipeline is connected to the third port of the first control valve, and the second port of the compressor is connected to the fourth port of the first control valve.
4. The refrigeration system as recited in claim 3 wherein the second end of the first refrigerant line is connected to the second end of the second refrigerant line by a second control valve, the second control valve being a throttle valve.
5. The refrigeration system according to claim 4, wherein a first electromagnetic expansion valve is further disposed on the first branch, and the first electromagnetic expansion valve is disposed between the first heat exchanger and the second control valve; and the first electromagnetic expansion valve is connected with a third control valve in parallel.
6. The refrigeration system according to claim 5, wherein a fourth control valve and a second electromagnetic expansion valve are further disposed on the second branch, the fourth control valve is disposed between the first control valve and the second heat exchanger, and the second electromagnetic expansion valve is disposed between the second heat exchanger and the second control valve.
7. The refrigeration system according to claim 6, wherein a third electromagnetic expansion valve is further disposed on the third branch, and the third electromagnetic expansion valve is disposed between the third heat exchanger and the second control valve; and the third electromagnetic expansion valve is connected with a fifth control valve in parallel.
8. The refrigeration system according to claim 7, wherein a sixth control valve and a fourth electromagnetic expansion valve are further disposed on the fourth branch, the sixth control valve is disposed between the first control valve and the second heat exchanger, and the fourth electromagnetic expansion valve is disposed between the second heat exchanger and the second control valve.
9. The refrigerant system as set forth in claim 8, wherein said third, fourth, fifth and sixth control valves are all shut-off valves.
10. A kitchen appliance, characterized in that it comprises a refrigeration system according to any one of claims 1 to 9.
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| CN201911308207.4A CN110887262B (en) | 2019-12-18 | 2019-12-18 | Refrigerating system and kitchen appliance |
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| CN201911308207.4A CN110887262B (en) | 2019-12-18 | 2019-12-18 | Refrigerating system and kitchen appliance |
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| CN110887262A CN110887262A (en) | 2020-03-17 |
| CN110887262B true CN110887262B (en) | 2022-02-08 |
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