CN108626901B - Refrigerator refrigerating and heating system and refrigerator thereof - Google Patents

Refrigerator refrigerating and heating system and refrigerator thereof Download PDF

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Publication number
CN108626901B
CN108626901B CN201810507026.3A CN201810507026A CN108626901B CN 108626901 B CN108626901 B CN 108626901B CN 201810507026 A CN201810507026 A CN 201810507026A CN 108626901 B CN108626901 B CN 108626901B
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evaporator
electromagnetic valve
outlet
port
refrigerating
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CN108626901A (en
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陈开松
刘宏宇
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Changhong Meiling Co Ltd
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Changhong Meiling Co Ltd
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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
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • 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
    • 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
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/37—Capillary tubes
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Defrosting Systems (AREA)

Abstract

The invention discloses a refrigerating and heating system of a refrigerator and the refrigerator. Relates to the technical field of refrigerators. The invention comprises a compressor, a condenser, an evaporator component, a capillary tube component, a solenoid valve component and a one-way valve: the evaporator assembly comprises a first evaporator, a second evaporator and a third evaporator; the electromagnetic valve assembly comprises a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve; the first electromagnetic valve is connected between the outlet of the compressor and the condenser; a first outlet of the second electromagnetic valve is connected with the first capillary, a second outlet of the second electromagnetic valve is connected with the second capillary, and a third outlet of the second electromagnetic valve is connected with the third capillary; and a first outlet of the third electromagnetic valve is connected with the inlet end of the third evaporator, and a second outlet of the third electromagnetic valve is connected with an air return pipe of the compressor. The refrigerating and heating system can meet the requirements of refrigeration and heating, can store and make various foods, and can meet various requirements of users to the maximum extent.

Description

Refrigerator refrigerating and heating system and refrigerator thereof
Technical Field
The invention belongs to the technical field of refrigerators, and particularly relates to a refrigerating and heating system of a refrigerator and the refrigerator.
Background
At present, refrigerators in the market mainly use multiple doors, multiple temperature zones and large volumes as main streams, the functional market acceptance of the multiple temperature zones is high, and the temperature-changing function can be realized due to the wide temperature zones, different foods are stored, and the high living requirements of users are well met. The refrigerator has the function of refrigerating, soft freezing or freezing food, and the function is single, so that the higher requirements of users cannot be well met in the appliance market with more intense competition.
Along with the improvement of living standard of people, the functional requirement on the refrigerator is higher and higher. For example, the required temperature is higher when yogurt making, pickle making and the like are carried out by depending on a refrigerator, for example, the optimal temperature for yogurt making is 43 ℃, the food making of the type needs specific temperature requirements, and the requirements cannot be met by a conventional refrigerator (temperature zone-24-10 ℃). Based on the requirement, a refrigerating and heating system and a refrigerator thereof need to be designed to meet more demands of users.
Disclosure of Invention
The invention aims to provide a refrigerating and heating system of a refrigerator and the refrigerator thereof, which fully utilize the heat of a condenser to realize the refrigeration of one compartment and the heating of the other compartment, further achieve the aim of setting the higher temperature of the compartment, and solve the problems that the temperature interval of the compartment of the existing refrigerator is narrow, and the compartment is only used for storing food, and the like.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a refrigerating and heating system of a refrigerator, which comprises a compressor, a condenser, an evaporator assembly, a capillary tube assembly, an electromagnetic valve assembly and a one-way valve, wherein the condenser is connected with the evaporator assembly through a pipeline:
the evaporator assembly comprises a first evaporator, a second evaporator and a third evaporator;
the first evaporator and the third evaporator are used for refrigeration; the outlet end of the first evaporator is connected with the inlet end of the third evaporator; the outlet end of the third evaporator is connected with the inlet end of the compressor;
the second evaporator is used for refrigerating or heating; the inlet port and the outlet port of the second evaporator are interchanged during refrigeration and heating; the first port of the second evaporator is connected with the inlet end of the condenser through a one-way valve;
the electromagnetic valve assembly comprises a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve;
the first electromagnetic valve is connected between the outlet of the compressor and the condenser; the first electromagnetic valve is of a one-inlet-two-outlet structure, a first outlet of the first electromagnetic valve is connected with the inlet end of the condenser, and a second outlet of the first electromagnetic valve is connected with a second port of the second evaporator;
the inlet end of the second electromagnetic valve is connected with the filter, the first outlet of the second electromagnetic valve is connected with the first capillary tube, the second outlet of the second electromagnetic valve is connected with the second capillary tube, and the third outlet of the second electromagnetic valve is connected with the third capillary tube;
and the inlet end of the third electromagnetic valve is connected with the second port of the second evaporator, the first outlet of the third electromagnetic valve is connected with the inlet end of the third evaporator, and the second outlet of the third electromagnetic valve is connected with the air return pipe of the compressor.
When the second evaporator is used for refrigerating, the refrigerant enters from the first port of the second evaporator and exits from the second port; when the second evaporator is used for heating, the refrigerant enters from the first port of the second evaporator, and exits from the second port.
Further, the first capillary tube is connected with the inlet end of the third evaporator; the second capillary tube is connected with the inlet end of the first evaporator; and the third capillary is connected with the first port of the second evaporator.
Further, when the second evaporator is directly switched from the heating state to the cooling state, the temperature of the defrosting temperature sensor arranged at the upper part of the second evaporator is lower than T 1 And when the second port of the third electromagnetic valve is closed, the first port of the third electromagnetic valve is communicated.
Further, the defrosting sensor temperature T 1 In the range of-16 ℃ to-18 ℃.
Furthermore, the compartment temperature zone where the second evaporator is located is in the range of-30 ℃ to 50 ℃.
Further, when the heat supply temperature of the condenser cannot reach the set temperature of the compartment; and starting the defrosting heater for auxiliary heating, and stopping the defrosting heater when the room temperature reaches a set requirement.
A refrigerator comprises a refrigerator carrier, a refrigerating and heating system:
the refrigerator carrier is provided with three or more independent compartments;
the evaporator assembly is mounted within the compartment.
The invention has the following beneficial effects:
(1) The invention can ensure that a certain compartment evaporator can be used as a refrigeration evaporator or a heating evaporator through the new design of the refrigeration system, and has stronger function.
(2) The invention controls the flow direction of the refrigerant in the refrigerating/heating system through the system, and the electromagnetic valve assembly switches the conduction and the closing of different flow paths, thereby realizing the heating of the evaporator which can refrigerate or heat while refrigerating a certain chamber, fully utilizing the heat of the condenser and saving the energy consumption.
(3) When other compartments do not need to be refrigerated, the defrosting heater at the bottom of the evaporator which can be refrigerated and also can be heated can be adopted for heating at the moment, the temperature of the high-temperature compartment required by the refrigerator is ensured to meet the requirement, and the reliability is higher.
Of course, it is not necessary for any product to practice the invention to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view illustrating a structure of a cooling/heating system according to the present invention;
FIG. 2 is a schematic view of a refrigerator according to an embodiment of the present invention;
FIG. 3 is a schematic view of the evaporator and defrosting heater according to the present invention;
in the drawings, the reference numbers indicate the following list of parts:
1-a compressor, 2-a first electromagnetic valve, 3-a one-way valve, 4-a condenser, 5-a filter, 6-a second electromagnetic valve, 7-a capillary tube I, 8-a capillary tube II, 9-a capillary tube III, 10-a first evaporator, 11-a second evaporator, 12-a third electromagnetic valve, 13-a third evaporator, 14-a chamber I, 15-a chamber II, 16-a chamber III, 17-a refrigerator carrier, 18-a foaming middle beam, 19-a defrosting heater and 20-a defrosting temperature sensor.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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 present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship merely to facilitate description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced components or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be construed as limiting the invention.
Referring to fig. 1-2, the present invention is a refrigerating and heating system of a refrigerator, including a compressor 1, a condenser 4, an evaporator assembly, a capillary tube assembly, a solenoid valve assembly, and a check valve 3:
the evaporator assembly comprises a first evaporator 10, a second evaporator 11 and a third evaporator 13;
the first evaporator 10 and the third evaporator 13 are used for refrigeration; the outlet end of the first evaporator 10 is connected with the inlet end of the third evaporator 13; the outlet end of the third evaporator 13 is connected with the inlet end of the compressor 1;
the second evaporator 11 is used for cooling or heating; the inlet port and the outlet port of the second evaporator 11 are exchanged during the refrigeration and heating; a first port of the second evaporator 11 is connected with the inlet end of the condenser 4 through the one-way valve 3;
the electromagnetic valve assembly comprises a first electromagnetic valve 2, a second electromagnetic valve 6 and a third electromagnetic valve 12;
the first electromagnetic valve 2 is connected between the outlet of the compressor 1 and the condenser 4; the first electromagnetic valve 2 is of a one-inlet-two-outlet structure, a first outlet of the first electromagnetic valve 2 is connected with an inlet end of the condenser 4, and a second outlet of the first electromagnetic valve 2 is connected with a second port of the second evaporator 11;
the inlet end of the second electromagnetic valve 6 is connected with the filter 5, the first outlet of the second electromagnetic valve 6 is connected with the first capillary tube 7, the second outlet of the second electromagnetic valve 6 is connected with the second capillary tube 8, and the third outlet of the second electromagnetic valve 6 is connected with the third capillary tube 9;
the inlet end of the third electromagnetic valve 12 is connected with the second end of the second evaporator 11, the first outlet of the third electromagnetic valve 12 is connected with the inlet end of the third evaporator 13, and the second outlet of the third electromagnetic valve 12 is connected with the return air pipe of the compressor 1.
When the second evaporator 11 is used for cooling, refrigerant enters from a first port of the second evaporator 11, and exits from a second port; during heating in the second evaporator 11, refrigerant enters from the first port of the second evaporator 11, and exits from the second port.
Wherein, the first capillary tube 7 is connected with the inlet end of the third evaporator 13; the second capillary tube 8 is connected with the inlet end of the first evaporator 10; the third capillary 9 is connected with the first port of the second evaporator 11.
Wherein the outlet end of the condenser 4 is connected to the inlet end of the filter 5.
Wherein, when the second evaporator 11 is directly switched from the heating state to the cooling state, the temperature of the defrosting temperature sensor 20 arranged on the upper part of the second evaporator 11 is lower than T 1 Meanwhile, the second port of the third electromagnetic valve 12 is closed, and the first port of the third electromagnetic valve 12 is opened.
Wherein, the temperature T of the defrosting sensor 20 1 In the range of-16 ℃ to-18 ℃.
Wherein the working temperature range of the second evaporator 11 is-30 ℃ to 50 ℃.
Wherein, the upper part of the second evaporator 11 is provided with a defrosting temperature sensor 20 and a defrosting heater 19; the defrosting temperature sensor 20 and the defrosting heater 19 are positioned at the upper side and the lower side of the second evaporator; when the heat supply temperature of the condenser 4 can not reach the set temperature of the compartment; and starting the defrosting heater 19 for auxiliary heating, and stopping the defrosting heater 19 when the room temperature reaches the set requirement.
When the second evaporator is used as a heating evaporator, the following three modes are realized:
mode 1: when the first evaporator 10 is used for refrigeration, the refrigeration process is that a refrigerant is discharged from an exhaust pipe of the compressor 1, enters the first electromagnetic valve 2, is discharged from a second outlet of the first electromagnetic valve 2, enters a second port of the second evaporator 11, flows out from a first port of the second evaporator 11, enters the condenser 4 through the one-way valve 3, passes through the filter 5, the second electromagnetic valve 6, is discharged from a second outlet of the second electromagnetic valve 6, enters the capillary tube II 8, passes through the first evaporator 10 and the third evaporator 13, and returns to the compressor 1, so that the whole refrigeration/heating cycle is completed; if the heat of the chamber where the second evaporator 11 is located meets the heating temperature requirement, the port of the first electromagnetic valve 2 is switched to the port of the first electromagnetic valve 2, the heat directly enters the inlet of the condenser 4, passes through the filter 5, enters the second capillary tube 8 from the second outlet of the second electromagnetic valve 6, passes through the first evaporator 10 and the third evaporator 13, and returns to the compressor 1, so that the whole refrigeration cycle is completed.
Mode 2: when the third evaporator 13 is used for refrigerating, the refrigerating process is that the refrigerant is discharged from the exhaust pipe of the compressor 1, enters the first electromagnetic valve 2, enters the second port of the second evaporator 11 from the second outlet of the first electromagnetic valve 2, flows out from the first port of the second evaporator 11, enters the condenser 4 through the one-way valve 3, passes through the filter 5, passes through the second electromagnetic valve 6, enters the capillary tube I7 from the first outlet of the second electromagnetic valve 6, passes through the third evaporator 13, and finally returns to the compressor, so that the whole refrigerating/heating cycle is completed; if the heat of the compartment where the second evaporator 11 is located meets the heating temperature requirement, the second outlet of the first electromagnetic valve 2 is switched to the first outlet of the first electromagnetic valve 2, and the heat directly enters the inlet of the condenser 4, passes through the filter 5, enters the first capillary 7 from the first outlet of the second electromagnetic valve 6, passes through the third evaporator 13, and finally returns to the compressor, so that the whole refrigeration cycle is completed.
Mode 3: modes 1 and 2 above, if the heat exchange amount provided by the second evaporator 11 in the actual operation process cannot meet the heat requirement of the compartment, the defrosting heater 19 at the bottom of the second evaporator 11 needs to be started to heat, so as to reach the requirement of the high temperature compartment temperature of 50 ℃ at most, see fig. 2 specifically.
When the second evaporator is used as a refrigeration evaporator, the specific contents are as follows:
firstly, if the second evaporator 11 is in a high-temperature evaporator state and the temperature in the compartment is high, the second evaporator 11 is set to be in a refrigeration state, and the specific system refrigeration process is as follows: the refrigerant directly enters the first electromagnetic valve 2 from the exhaust pipe of the compressor 1, the second outlet is closed at the moment, the first outlet is opened, the refrigerant passes through the condenser 4, the filter 5, the third outlet of the second electromagnetic valve 6 and the capillary tube III 9, enters the first port of the second evaporator 11, flows out of the second port, enters the third electromagnetic valve 12, flows out of the second outlet of the third electromagnetic valve 12 and returns to the compressor; at this time, the port 1 of the third electromagnetic valve 12 is in a closed state, and the second evaporation is waited for as the compressor 1 performs the cooling operationThe temperature of the defrosting temperature sensor at the upper part of the device 11 is lower than T 1 At this time, the port 1 of the third electromagnetic valve 12 is opened, the port 2 is closed, and the refrigerant passes through the third evaporator 13 and finally returns to the compressor, thereby completing the cycle control process of the whole refrigeration system.
Secondly, in order to ensure that the second evaporator is not influenced by high-temperature refrigeration in the refrigeration process, the second outlet of the first electromagnetic valve 2 and the check valve 3 are both in a closed state during the process, and the refrigerant only flows out of the first electromagnetic valve 2 and completely enters the condenser 4 for full condensation.
When the three evaporators are used as refrigeration evaporators, the flow of the specific refrigeration system is as follows:
when the first evaporator 10 performs refrigeration, the refrigerant is discharged from the exhaust pipe of the compressor 1, passes through the port 1 of the first electromagnetic valve 2, the condenser 4, the filter 5, the port 2 of the second electromagnetic valve 5, the capillary tube II 8, the first evaporator 10 and the third evaporator 13, and finally returns to the compressor 1, thereby completing the whole refrigeration cycle.
When the second evaporator is used for refrigerating, except the refrigerating process of switching from high temperature to low temperature, other refrigerating requests are similar to the process of the first evaporator, and the specific refrigerating process is as follows: the refrigerant is discharged from the exhaust pipe of the compressor 1, passes through the first outlet of the first electromagnetic valve 2, the condenser 4, the filter 5, the third outlet of the second electromagnetic valve 5, the capillary tube three 9, the second evaporator 11 and the third evaporator 13, and finally returns to the compressor 1, so that the whole refrigeration cycle is completed.
When the third evaporator is used for refrigerating, the specific refrigerating flow is as follows: the refrigerant is discharged from the exhaust pipe of the compressor 1, passes through the port 1 of the first electromagnetic valve 2, the condenser 4, the filter 5, the port 1 of the second electromagnetic valve 5, the first capillary tube 7 and the third evaporator 13 respectively, and finally returns to the compressor 1, so that the whole refrigeration cycle is completed.
Referring to fig. 3, the refrigerator of the present invention includes a refrigerator carrier 17, a cooling and heating system:
the refrigerator carrier 17 is provided with three independent compartments, namely a compartment I14, a compartment II 15 and a compartment III 16; the first chamber 14 and the third chamber 16 are separated by a foaming middle beam 18;
the refrigerating and heating system is a refrigerating and heating system according to any one of claims 1 to 7, wherein the first evaporator 10 and the third evaporator 13 are respectively disposed in a first compartment 14 and a third compartment 16; the second evaporator 11 is placed in compartment two 15.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides a refrigerator refrigeration, heating system which characterized in that, refrigeration, heating system include compressor, condenser, evaporimeter subassembly, capillary tube subassembly, solenoid valve subassembly and check valve:
the evaporator assembly comprises a first evaporator, a second evaporator and a third evaporator;
the first evaporator and the third evaporator are used for refrigerating; the outlet end of the first evaporator is connected with the inlet end of the third evaporator; the outlet end of the third evaporator is connected with the inlet end of the compressor;
the second evaporator is used for refrigerating or heating; the inlet port and the outlet port of the second evaporator are interchanged during refrigeration and heating; the first port of the second evaporator is connected with the inlet end of the condenser through a one-way valve;
the electromagnetic valve assembly comprises a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve;
the first electromagnetic valve is connected between the outlet of the compressor and the condenser; the first electromagnetic valve is of a one-inlet-two-outlet structure, a first outlet of the first electromagnetic valve is connected with the inlet end of the condenser, and a second outlet of the first electromagnetic valve is connected with a second port of the second evaporator;
the inlet end of the second electromagnetic valve is connected with the filter, the first outlet of the second electromagnetic valve is connected with the first capillary tube, the second outlet of the second electromagnetic valve is connected with the second capillary tube, and the third outlet of the second electromagnetic valve is connected with the third capillary tube;
the inlet end of the third electromagnetic valve is connected with the second port of the second evaporator, the first outlet of the third electromagnetic valve is connected with the inlet end of the third evaporator, and the second outlet of the third electromagnetic valve is connected with the air return pipe of the compressor;
when the second evaporator is used for refrigerating, a refrigerant enters from a first port of the second evaporator and exits from a second port of the second evaporator; when the second evaporator is used for heating, a refrigerant enters from a second port of the second evaporator and exits from a first port;
and in the process of directly switching the second evaporator from the heating state to the refrigerating state, when the temperature of a defrosting temperature sensor arranged on the upper part of the second evaporator is lower than T1, the second port of the third electromagnetic valve is closed, and the first port of the third electromagnetic valve is communicated.
2. A refrigerating and heating system as claimed in claim 1, wherein said first capillary tube is connected to an inlet end of the third evaporator; the second capillary tube is connected with the inlet end of the first evaporator; and the third capillary tube is connected with the first port of the second evaporator.
3. A refrigerating and heating system of a refrigerator as claimed in claim 1, wherein said defrosting temperature sensor temperature T1 is in the range of-16 ℃ to-18 ℃.
4. A refrigerating and heating system as claimed in claim 1, wherein the compartment temperature zone in which said second evaporator is located is in the range of-30 ℃ to 50 ℃.
5. The system as claimed in claim 1, wherein the defrosting heater is activated to perform auxiliary heating when the heating temperature of the second evaporator cannot reach the set temperature of the compartment, and is deactivated when the temperature of the compartment reaches the set temperature.
6. A refrigerator comprises a refrigerator carrier, a refrigerating and heating system:
the refrigerator carrier is provided with three or more independent compartments;
the refrigerating and heating system is the refrigerating and heating system according to any one of claims 1-5; wherein the evaporator assembly is installed in the compartment.
CN201810507026.3A 2018-05-24 2018-05-24 Refrigerator refrigerating and heating system and refrigerator thereof Active CN108626901B (en)

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CN108626901B true CN108626901B (en) 2023-04-14

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CN109945582A (en) * 2019-03-01 2019-06-28 珠海格力电器股份有限公司 Refrigerator system, refrigerator and control method of temperature changing chamber
CN115014041A (en) * 2022-05-19 2022-09-06 青岛海尔空调器有限总公司 Heating system, heating method and refrigeration equipment

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CN201434555Y (en) * 2009-03-27 2010-03-31 合肥美菱股份有限公司 Three-door refrigerator with food unfreezing function
CN202792787U (en) * 2012-04-06 2013-03-13 上海双鹿上菱企业集团有限公司 Refrigerating circuit of refrigerator with heating function
JP6390374B2 (en) * 2014-11-18 2018-09-19 富士電機株式会社 Refrigerant circuit device
CN208567188U (en) * 2018-05-24 2019-03-01 长虹美菱股份有限公司 A kind of refrigeration for refrigerator, heating system and its refrigerator

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