US20210222927A1 - External device and air conditioner having freezing function - Google Patents
External device and air conditioner having freezing function Download PDFInfo
- Publication number
- US20210222927A1 US20210222927A1 US16/806,735 US202016806735A US2021222927A1 US 20210222927 A1 US20210222927 A1 US 20210222927A1 US 202016806735 A US202016806735 A US 202016806735A US 2021222927 A1 US2021222927 A1 US 2021222927A1
- Authority
- US
- United States
- Prior art keywords
- tube
- section
- capillary tube
- external device
- air conditioner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- F25B41/067—
-
- 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
- F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0096—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
-
- 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
-
- F25B41/062—
-
- 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
- F25B41/31—Expansion 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
-
- 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
- F25D23/00—General constructional features
- F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
-
- F25B2341/0662—
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/04—Refrigeration circuit bypassing means
- F25B2400/0411—Refrigeration circuit bypassing means for the expansion valve or capillary tube
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2501—Bypass valves
Definitions
- the present disclosure relates to the field of refrigeration equipment, and in particular, to an external device and an air conditioner having a freezing function.
- An existing freezer is much more expensive than an air conditioner. Occasionally food needs to be cooled quickly in daily life, which is impossible for an existing air conditioner or refrigerator.
- the present disclosure provides an external device capable of freezing by means of an air conditioner.
- the present disclosure further provides an air conditioner including the external device.
- the external device and the air conditioner having a freezing function each includes a capillary tube and a cut-off valve, wherein the capillary tube is spirally disposed, the cut-off valve is connected in parallel to the capillary tube, and a tube coupling is disposed at each of two ends of the capillary tube.
- the external device and the air conditioner having a freezing function at least have the following beneficial effects: a spiral capillary tube is connected between an expansion valve and an evaporator in the air conditioner, so that the pressure of a liquid refrigerant is reduced when entering the capillary tube, thereby lowering the lowest refrigeration temperature to implement quick cooling.
- the tube coupling is a copper tube coupling.
- the capillary tube includes an inlet section, an outlet section, and a middle section, wherein inner tube diameters of the inlet section and the outlet section are greater than an inner tube diameter of the middle section, and inner tube walls between the inlet section and the middle section and between the middle section and the outlet section have smooth transition.
- the inner tube diameters of the inlet section and the outlet section are in a range of 5 mm to 7 mm, and the inner tube diameter of the middle section is in a range of 1 mm to 3 mm.
- a total length of the capillary tube is in a range of 250 mm to 600 mm.
- the inlet section and the outlet section are fixedly provided with the tube couplings, and the periphery of the middle section is sleeved with a heat insulating cover.
- the cut-off valve includes a solenoid valve.
- the air conditioner having a freezing function includes any foregoing external device, an expansion valve, a condenser, a compressor, and an evaporator, wherein the compressor, the condenser, the expansion valve, the external device, and the evaporator are sequentially connected to form a loop.
- the tube couplings are separately fixedly connected to a conduit extending from the expansion valve and a conduit extending from the evaporator.
- FIG. 1 is a schematic structural diagram of an installed air conditioner according to an embodiment of the present disclosure.
- “several” means one or more, “a plurality of” means more than two, “greater than”, “less than”, “exceed” and the like indicate that the number itself is excluded, and “above”, “below”, “within”, and the like indicate that the number itself is included. “First” and “second” are only used to distinguish between technical features but cannot be used to indicate or imply relative importance or implicitly specify a quantity of indicated technical features or implicitly specify a sequential relationship of indicated technical features.
- an air conditioner includes an external device 100 , an expansion valve 500 , a condenser 400 , a compressor 300 , and an evaporator 200 .
- the compressor 300 , the condenser 400 , the expansion valve 500 , the external device 100 , and the evaporator 200 are sequentially connected to form a loop.
- the external device 100 includes a capillary tube 110 and a cut-off valve 120 .
- the capillary tube 110 is spirally disposed.
- the cut-off valve 120 is connected in parallel to the capillary tube 110 .
- a tube coupling is disposed at each of two ends of the capillary tube 110 .
- the tube couplings are separately fixedly connected to a conduit extending from the expansion valve 500 and a conduit extending from the evaporator 200 .
- a conduit between the expansion valve 500 and the evaporator 200 is disassembled.
- the capillary tube 110 is connected between the expansion valve 500 and the evaporator 200 .
- the capillary tube 110 is spirally disposed to extend a path for a liquid refrigerant to pass through, thereby reducing the pressure, lowering the lowest refrigeration temperature of the refrigerant entering the evaporator 200 , and realizing quick freezing after the refrigerant enters the evaporator 200 .
- cut-off valve 120 is added to facilitate switching between a freezing mode and a normal air conditioning mode.
- the refrigerant passes through a conduit at the cut-off valve 120 and reaches the evaporator 200 due to the relatively large resistance at the capillary tube 110 , which uses the original function of the air conditioner.
- the cut-off valve 120 When the cut-off valve 120 is closed, the refrigerant passes through the capillary tube 110 to enter the evaporator 200 to implement a quick freezing function.
- the tube coupling is a copper tube coupling, which prevents the coupling from corrosion by the refrigerant and prevents the refrigerant from leaking.
- the capillary tube 110 includes an inlet section, an outlet section, and a middle section, inner tube diameters of the inlet section and the outlet section are greater than an inner tube diameter of the middle section, and inner tube walls between the inlet section and the middle section and between the middle section and the outlet section have smooth transition.
- the inner tube diameters of the inlet section and the outlet section are in a range of 5 mm to 7 mm, and the inner tube diameter of the middle section is in a range of 1 mm to 3 mm.
- the inner tube diameters of the inlet section and the outlet section are 6 mm, and the inner tube diameter of the middle section is 2 mm, to facilitate the flow of the refrigerant.
- a total length of the capillary tube 110 is in a range of 250 mm to 600 mm, so that the capillary tube 110 is assembled according to different temperature requirements.
- the inlet section and the outlet section are fixedly provided with the tube couplings, and the periphery of the middle section is sleeved with a heat insulating cover, protecting the refrigerant in the capillary tube 110 from being affected by ambient temperature.
- the cut-off valve 120 includes a solenoid valve to facilitate control.
- a temperature sensor is provided in some air conditioners to start or stop the compressor 300 in real time, so as to control refrigeration power. This greatly affects a fast freezing function after alternation. Therefore, in this embodiment, the original sensor in the air conditioner is replaced with a constant resistor to prevent the compressor 300 from stopping working.
- the constant resistor keeps supplying a constant signal to a control system.
- the control system controls the compressor 300 to keep working, that is, a fast freezing function can be continuously implemented.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
An air conditioner having a freezing function includes an external device, an expansion valve, a condenser, a compressor, and an evaporator. The compressor, the condenser, the expansion valve, the external device, and the evaporator are sequentially connected to form a loop. The external device includes a capillary tube and a cut-off valve. The capillary tube is spirally disposed. The cut-off valve is connected in parallel to the capillary tube. A tube coupling is disposed at each of two ends of the capillary tube. The tube couplings are separately fixedly connected to a conduit extending from the expansion valve and a conduit extending from the evaporator. A spiral capillary tube is connected between an expansion valve and an evaporator in an air conditioner, so that the pressure of a liquid refrigerant is reduced when entering the capillary tube, thereby lowering the lowest refrigeration temperature to implement quick cooling.
Description
- This application is based on and claims the benefit of priority from Chinese Patent Application No. 2020100719797, filed on 21 Jan. 2020, the entirety of which is incorporated by reference herein.
- The present disclosure relates to the field of refrigeration equipment, and in particular, to an external device and an air conditioner having a freezing function.
- An existing freezer is much more expensive than an air conditioner. Occasionally food needs to be cooled quickly in daily life, which is impossible for an existing air conditioner or refrigerator.
- In the present disclosure, at least one of the technical problems in the prior art is intended to be solved. For this, the present disclosure provides an external device capable of freezing by means of an air conditioner.
- The present disclosure further provides an air conditioner including the external device.
- According to a first aspect of the present disclosure, in an embodiment, the external device and the air conditioner having a freezing function each includes a capillary tube and a cut-off valve, wherein the capillary tube is spirally disposed, the cut-off valve is connected in parallel to the capillary tube, and a tube coupling is disposed at each of two ends of the capillary tube.
- The external device and the air conditioner having a freezing function according to the present disclosure at least have the following beneficial effects: a spiral capillary tube is connected between an expansion valve and an evaporator in the air conditioner, so that the pressure of a liquid refrigerant is reduced when entering the capillary tube, thereby lowering the lowest refrigeration temperature to implement quick cooling.
- In some embodiments of the present disclosure, the tube coupling is a copper tube coupling.
- In some embodiments of the present disclosure, the capillary tube includes an inlet section, an outlet section, and a middle section, wherein inner tube diameters of the inlet section and the outlet section are greater than an inner tube diameter of the middle section, and inner tube walls between the inlet section and the middle section and between the middle section and the outlet section have smooth transition.
- In some embodiments of the present disclosure, the inner tube diameters of the inlet section and the outlet section are in a range of 5 mm to 7 mm, and the inner tube diameter of the middle section is in a range of 1 mm to 3 mm.
- In some embodiments of the present disclosure, a total length of the capillary tube is in a range of 250 mm to 600 mm.
- In some embodiments of the present disclosure, the inlet section and the outlet section are fixedly provided with the tube couplings, and the periphery of the middle section is sleeved with a heat insulating cover.
- In some embodiments of the present disclosure, the cut-off valve includes a solenoid valve.
- According to a second aspect of the present disclosure, in an embodiment, the air conditioner having a freezing function includes any foregoing external device, an expansion valve, a condenser, a compressor, and an evaporator, wherein the compressor, the condenser, the expansion valve, the external device, and the evaporator are sequentially connected to form a loop.
- In some embodiments of the present disclosure, the tube couplings are separately fixedly connected to a conduit extending from the expansion valve and a conduit extending from the evaporator.
- Additional aspects and advantages of the present disclosure will be partially provided in the following description, and will partially become apparent from the following description or understood through implementation of the present disclosure.
- The foregoing and/or additional aspects and advantages of the present disclosure will become apparent and readily comprehensible from the following description of the embodiments with reference to the accompanying drawings, in which:
-
FIG. 1 is a schematic structural diagram of an installed air conditioner according to an embodiment of the present disclosure. - The embodiments of the present disclosure are described below in detail. Examples of the embodiments are shown in the accompanying drawings. The same or similar numerals represent the same or similar elements or elements having the same or similar functions throughout the specification. The embodiments described below with reference to the accompanying drawings are exemplary, and are only used to explain the present disclosure but should not be construed as a limitation to the present disclosure.
- In the description of the present disclosure, it needs to be understood that regarding the description of orientations, orientation or location relationships indicated by “up”, “down”, “front”, “rear”, “left”, “right”, and the like are based on orientation or location relationships shown in the accompanying drawings, and are only used to facilitate description of the present disclosure and simplify description, but are not used to indicate or imply that the apparatuses or elements must have specific orientations or are constructed and operated by using specific orientations, and therefore, cannot be understood as a limitation to the present disclosure.
- In the description of the present disclosure, “several” means one or more, “a plurality of” means more than two, “greater than”, “less than”, “exceed” and the like indicate that the number itself is excluded, and “above”, “below”, “within”, and the like indicate that the number itself is included. “First” and “second” are only used to distinguish between technical features but cannot be used to indicate or imply relative importance or implicitly specify a quantity of indicated technical features or implicitly specify a sequential relationship of indicated technical features.
- In the description of the present disclosure, unless otherwise expressly defined, terms such as “disposed”, “mounted”, and “connected” should be understood in a broad sense. For a person skilled in the art, specific meanings of the terms in the present disclosure should be appropriately understood according to specific content of the technical solutions.
- Referring to
FIG. 1 , an air conditioner according to an embodiment of the present disclosure includes anexternal device 100, anexpansion valve 500, acondenser 400, acompressor 300, and anevaporator 200. Thecompressor 300, thecondenser 400, theexpansion valve 500, theexternal device 100, and theevaporator 200 are sequentially connected to form a loop. Theexternal device 100 includes acapillary tube 110 and a cut-offvalve 120. Thecapillary tube 110 is spirally disposed. The cut-offvalve 120 is connected in parallel to thecapillary tube 110. A tube coupling is disposed at each of two ends of thecapillary tube 110. The tube couplings are separately fixedly connected to a conduit extending from theexpansion valve 500 and a conduit extending from theevaporator 200. - During use, a conduit between the
expansion valve 500 and theevaporator 200 is disassembled. Thecapillary tube 110 is connected between theexpansion valve 500 and theevaporator 200. Thecapillary tube 110 is spirally disposed to extend a path for a liquid refrigerant to pass through, thereby reducing the pressure, lowering the lowest refrigeration temperature of the refrigerant entering theevaporator 200, and realizing quick freezing after the refrigerant enters theevaporator 200. - In addition, the cut-off
valve 120 is added to facilitate switching between a freezing mode and a normal air conditioning mode. - When the cut-off
valve 120 is opened, the refrigerant passes through a conduit at the cut-offvalve 120 and reaches theevaporator 200 due to the relatively large resistance at thecapillary tube 110, which uses the original function of the air conditioner. - When the cut-off
valve 120 is closed, the refrigerant passes through thecapillary tube 110 to enter theevaporator 200 to implement a quick freezing function. - In some embodiments, the tube coupling is a copper tube coupling, which prevents the coupling from corrosion by the refrigerant and prevents the refrigerant from leaking.
- In some embodiments, the
capillary tube 110 includes an inlet section, an outlet section, and a middle section, inner tube diameters of the inlet section and the outlet section are greater than an inner tube diameter of the middle section, and inner tube walls between the inlet section and the middle section and between the middle section and the outlet section have smooth transition. - Preferably, the inner tube diameters of the inlet section and the outlet section are in a range of 5 mm to 7 mm, and the inner tube diameter of the middle section is in a range of 1 mm to 3 mm. In this embodiment, preferably, the inner tube diameters of the inlet section and the outlet section are 6 mm, and the inner tube diameter of the middle section is 2 mm, to facilitate the flow of the refrigerant.
- In some embodiments, a total length of the
capillary tube 110 is in a range of 250 mm to 600 mm, so that thecapillary tube 110 is assembled according to different temperature requirements. - In some embodiments, the inlet section and the outlet section are fixedly provided with the tube couplings, and the periphery of the middle section is sleeved with a heat insulating cover, protecting the refrigerant in the
capillary tube 110 from being affected by ambient temperature. - In some embodiments, the cut-off
valve 120 includes a solenoid valve to facilitate control. - Preferably, a temperature sensor is provided in some air conditioners to start or stop the
compressor 300 in real time, so as to control refrigeration power. This greatly affects a fast freezing function after alternation. Therefore, in this embodiment, the original sensor in the air conditioner is replaced with a constant resistor to prevent thecompressor 300 from stopping working. - During actual use, the constant resistor keeps supplying a constant signal to a control system. The control system controls the
compressor 300 to keep working, that is, a fast freezing function can be continuously implemented. - The embodiments of the present disclosure are described above in detail with reference to the accompanying drawings. However, the present disclosure is not limited from the foregoing embodiments. Within the knowledge of a person of ordinary skilled in the art, various changes may further be made without departing from the principle of the present disclosure.
Claims (16)
1. An external device, comprising
a capillary tube and
a cut-off valve, wherein the capillary tube is spirally disposed, the cut-off valve is connected in parallel to the capillary tube, and a tube coupling is disposed at each of two ends of the capillary tube.
2. The external device according to claim 1 , wherein the tube coupling is a copper tube coupling.
3. The external device according to claim 1 , wherein the capillary tube comprises an inlet section, an outlet section, and a middle section, and wherein inner tube diameters of the inlet section and the outlet section are greater than an inner tube diameter of the middle section, and inner tube walls between the inlet section and the middle section and between the middle section and the outlet section have smooth transition.
4. The external device according to claim 3 , wherein the inner tube diameters of the inlet section and the outlet section are in a range of 5 mm to 7 mm, and the inner tube diameter of the middle section is in a range of 1 mm to 3 mm.
5. The external device according to claim 3 , wherein a total length of the capillary tube is in a range of 250 mm to 600 mm.
6. The external device according to claim 3 , wherein the inlet section and the outlet section are fixedly provided with the tube couplings, and the periphery of the middle section is sleeved with a heat insulating cover.
7. The external device according to claim 1 , wherein the cut-off valve comprises a solenoid valve.
8. An air conditioner having a freezing function, comprising
an external device comprising a capillary tube and a cut-off valve,
an expansion valve,
a condenser,
a compressor, and
an evaporator, wherein the compressor, the condenser, the expansion valve, the external device, and the evaporator are sequentially connected to form a loop.
9. The air conditioner according to claim 8 , wherein tube couplings are separately fixedly connected to a conduit extending from the expansion valve and a conduit extending from the evaporator.
10. The air conditioner according to claim 8 , wherein the capillary tube is spirally disposed, the cut-off valve is connected in parallel to the capillary tube, and a tube coupling is disposed at each of two ends of the capillary tube.
11. The air conditioner according to claim 8 , wherein the tube coupling is a copper tube coupling.
12. The air conditioner according to claim 8 , wherein the capillary tube comprises an inlet section, an outlet section, and a middle section, and wherein inner tube diameters of the inlet section and the outlet section are greater than an inner tube diameter of the middle section, and inner tube walls between the inlet section and the middle section and between the middle section and the outlet section have smooth transition.
13. The air conditioner according to claim 8 , wherein the inner tube diameters of the inlet section and the outlet section are in a range of 5 mm to 7 mm, and the inner tube diameter of the middle section is in a range of 1 mm to 3 mm.
14. The air conditioner according to claim 8 , wherein a total length of the capillary tube is in a range of 250 mm to 600 mm.
15. The air conditioner according to claim 8 , wherein the inlet section and the outlet section are fixedly provided with the tube couplings, and the periphery of the middle section is sleeved with a heat insulating cover.
16. The air conditioner according to claim 8 , wherein the cut-off valve comprises a solenoid valve.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2020100719797 | 2020-01-21 | ||
CN202010071979.7A CN111141070A (en) | 2020-01-21 | 2020-01-21 | Plug-in equipment and air conditioner with freezing function |
Publications (1)
Publication Number | Publication Date |
---|---|
US20210222927A1 true US20210222927A1 (en) | 2021-07-22 |
Family
ID=70526793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/806,735 Abandoned US20210222927A1 (en) | 2020-01-21 | 2020-03-02 | External device and air conditioner having freezing function |
Country Status (2)
Country | Link |
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US (1) | US20210222927A1 (en) |
CN (1) | CN111141070A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220090831A1 (en) * | 2020-09-21 | 2022-03-24 | Whirlpool Corporation | Heat exchanger for an appliance |
-
2020
- 2020-01-21 CN CN202010071979.7A patent/CN111141070A/en active Pending
- 2020-03-02 US US16/806,735 patent/US20210222927A1/en not_active Abandoned
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220090831A1 (en) * | 2020-09-21 | 2022-03-24 | Whirlpool Corporation | Heat exchanger for an appliance |
US11828504B2 (en) * | 2020-09-21 | 2023-11-28 | Whirlpool Corporation | Heat exchanger for an appliance |
Also Published As
Publication number | Publication date |
---|---|
CN111141070A (en) | 2020-05-12 |
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