EP4067795B1 - Verfahren zur steuerung einer luftkühlvorrichtung und luftkühlvorrichtung - Google Patents

Verfahren zur steuerung einer luftkühlvorrichtung und luftkühlvorrichtung Download PDF

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Publication number
EP4067795B1
EP4067795B1 EP20893899.3A EP20893899A EP4067795B1 EP 4067795 B1 EP4067795 B1 EP 4067795B1 EP 20893899 A EP20893899 A EP 20893899A EP 4067795 B1 EP4067795 B1 EP 4067795B1
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EP
European Patent Office
Prior art keywords
chamber
damper
heating wire
air
temperature
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EP20893899.3A
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English (en)
French (fr)
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EP4067795A4 (de
EP4067795A1 (de
Inventor
Desen WANG
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Haier Smart Home Co Ltd
Qingdao Haier Special Refrigeration Electric Appliance Co Ltd
Original Assignee
Haier Smart Home Co Ltd
Qingdao Haier Special Refrigeration Electric Appliance Co Ltd
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Classifications

    • 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06—Removing frost
    • F25D21/08—Removing frost by electric heating
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/002—Defroster control
    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/002—Defroster control
    • F25D21/006—Defroster control with electronic control circuits
    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/02—Detecting the presence of frost or condensate
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • 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
    • F25D31/00—Other cooling or freezing apparatus
    • F25D31/005—Combined cooling and heating devices
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/02—Refrigerators including a heater

Definitions

  • the present invention relates to the technical field of air-cooling devices, and specifically to a method of controlling an air-cooling device and an air-cooling device.
  • thermostatic control is usually achieved for products in dual temperature zones in a manner of using a single evaporator + dual evaporation blowers.
  • the compressor operates, and the corresponding evaporation blowers operate to achieve the refrigeration of the chamber; this manner is structurally simple, but cannot achieve the thermostatic control under a lower ambient temperature as cold air blends each other seriously.
  • the thermostatic control can ensure optimal tastes and the storage of stored articles such as wines thereof.
  • dual evaporators + dual evaporator blowers + dual heating wires + a solenoid valve are usually employed to control to switch to achieve the thermostatic control.
  • the solenoid valve switches to the first chamber so that the evaporator in the first chamber refrigerates, and the evaporation blower in the first chamber operates;
  • the solenoid valve switches to the second chamber so that the evaporator in the second chamber refrigerates, and the evaporation blower in the second chamber operates; switch of the solenoid valve is performing between the two chambers; when each chamber needs to be heated, the heating wire in the chamber is activated, and the evaporation blower in the chamber operates; this manner can achieve the thermostatic control, but it has problems such as a complicated structural design and a cumbersome production process.
  • CN 109990567 A discloses an air-cooled wine cabinet with double temperature zones.
  • the wine cabinet comprises an air volume distribution module, an upper air curtain module, a lower air curtain module, an upper fan and a lower fan, wherein the lower air curtain module divides the internal part of the wine cabinet into an upper temperature zone and a lower temperature zone.
  • the air volume distribution module sends the wind generated by the upper fan into the upper temperature zone through the upper air curtain module, and sends the wind generated by the lower fan into the lower temperature zone through the lower air curtain module.
  • the operation of the upper fan is affected by the temperature in the upper temperature zone
  • the operation of the lower fan is affected by the temperature in the lower temperature zone
  • the two temperature zones are independent of each other, thereby realizing the independent control of the two temperature zones.
  • the upper air curtain module is provided with a plurality of upper air outlets and the lower air curtain module is provided with a plurality of lower air outlets, so that the wind blown into the upper temperature zone and the lower temperature zone is more uniform.
  • An object of the present invention is to provide a method of controlling an air-cooling device and a air-cooling device, which achieves the thermostatic control of the dual temperature zones of a single air-cooling system with a simplified structural design and process by employing a structural design with a single evaporator + a single evaporation blower + two dampers + three heating wires, in conjunction with the control of operational relationship of the compressor, the evaporation blower, the heating wires and the dampers.
  • the present invention provides a method of controlling an air-cooling device, and an air-cooling device according to the appended set of claims.
  • the thermostatic control may be implemented individually for the two chambers respectively with the structure of the single air-cooling system.
  • the single air-cooling system exhibits a more simplified structural design and process, and achieves the thermostatic control of the air-cooling device with the single air-cooling system and dual temperature zones with the simplified structural and process design.
  • an air-cooling device comprises a cabinet 1 and a liner 2, the liner 2 is mounted in the cabinet 1, the internal cavity of the liner 2 is partitioned into a first chamber 3 and a second chamber 4, a first heating wire 5 is mounted in the first chamber 3, and a second heating wire 6 is mounted in the second chamber 4;
  • the air-cooling device employs a single cycle refrigeration system to achieve refrigeration;
  • the single cycle refrigeration system comprises a circulation air passage 7, a compressor 8 and an evaporator 9, and is disposed on a rear side outside the liner 2;
  • the rear side outside the liner 2 is further provided with an evaporation blower 10 on which is mounted a defrost sensor for detecting defrost temperature;
  • a first damper 11 is provided on the first chamber 3 and connected to the circulation air passage 7;
  • a second damper 12 is provided on the second chamber 4 and connected to the circulation air passage 7.
  • the present invention provides a method of controlling the air-cooling device to achieve dual-temperature thermostatic control with the single cycle refrigeration system. Specifically, as shown in FIG. 2 , the method comprises the following steps: Step S21: activating the compressor and the evaporation blower and opening the first damper and the second damper.
  • Step S22 judging whether refrigeration temperature in the two chambers both meet refrigeration requirements.
  • step S23 is performed as follows: controlling the compressor to power off, opening the first damper and the second damper and controlling the evaporation blower to continue to operate, and activating the first heating wire and second heating wire.
  • the first heating wire 5 of the first chamber 3, and the second heating wire 6 of the second chamber 4 are respectively activated to perform thermostatic control of the two chambers; in the embodiment of the present invention, a compensatory heating wire 13 is disposed on a rear side of the evaporator 9; upon thermostatic control, the defrost process of the evaporator 9 is accelerated through the operation of the compensatory heating wire 13 to quickly increase the surface temperature of the evaporator 9, and compensatory heating is performed for the thermostatic control in the chambers through the operation of the evaporation blower 10.
  • the evaporation blower 10 when the compressor 8 stops to enter the thermostatic control, the evaporation blower 10 is kept in operation, the first damper 11 and second damper 12 are kept in the open state, and the compensatory heating wire 13 is activated.
  • the heat of the compensatory heating wire 13 due to the action of the evaporation blower 10, enters the first chamber 13 through the first damper 11 and enters the second chamber 4 through the second damper 12 to perform compensation for the temperature in the two chambers, respectively.
  • Step S24 controlling the compressor and the evaporation blower to operate, opening the first damper and closing the second damper, and activating the second heating wire.
  • Step S25 controlling the compressor to stop, and closing the first damper after a delay until the defrost temperature reaches a first preset temperature.
  • the compressor 8 is controlled to stop, the defrost temperature detected by a defrost sensor is obtained, and the first damper 11 is closed when the defrost temperature reaches the first preset temperature T1.
  • the compensatory heating wire 13 is activated immediately to assist the evaporator 8 in defrosting to increase the surface temperature of the evaporator 9 as quickly as possible to prepare for subsequent thermostatic regulation of the chambers.
  • Step S26 opening the second damper when the defrost temperature reaches a second preset temperature after the first damper is closed.
  • the second chamber 4 continued to be heated.
  • the defrost sensor detects the defrost temperature.
  • the second damper 12 is opened.
  • the compensatory heating wire 13 already starts to operate, and the defrost temperature on the surface of the evaporator 9 is high; after the second damper 12 is opened, the heating of the second chamber 4 can be compensated to quicken the thermostatic regulation of the second chamber 4.
  • Step S27 turning off the second heating wire when the temperature of the second chamber satisfies a heating temperature.
  • the evaporation blower 10 when the defrost temperature reaches the first preset temperature T1, i.e., when the first damper 11 is closed in step S25, the evaporation blower 10 is controlled to stop. At this time, the compensatory heating wire 13 already starts to perform auxiliary defrost for the evaporator 9 to increase the defrost temperature as soon as possible; when the defrost temperature reaches the second preset temperature T2, i.e., after the second air damper is opened in step S26, the evaporation blower 10 is again activated to operate, the heating of the second chamber 4 is compensated more quickly due to the action of the evaporation blower 10, the thermostatic regulation of the second chamber 4 is further quickened, and the second heating wire is turned off only when the second chamber satisfies the heating temperature.
  • the two chambers both may individually implement the thermostatic regulation in a manner that they are refrigerated simultaneously, or heated simultaneously, or one is refrigerated and the other is heated.
  • the solution of the present invention is implemented based on the single cycle refrigeration system, exhibits a more simplified structural design and process, achieves the thermostatic control of the air-cooling device with a single air-cooling system and dual temperature zones, and is more adapted to be applied to the industry.
  • step S26 when the compressor 8 is activated again, the second damper 2 needs to be closed immediately. That is to say, as long as the compressor 8 operates, the damper of the chamber which is currently being heated needs to be closed immediately to avoid the impact exerted by cold air on the heating.
  • first heating wire 5 and second heating wire 6 After the first heating wire 5 and second heating wire 6 are activated, they both operate with a current conduction rate as required by a heating level, and the compensatory heating wire 13, after being activated, operates with a 100% current conduction rate.
  • the air-cooling device further comprises a full air-cooling control module 31, a full heating control module 32 and a single chamber air-cooling/heating control module 33;
  • the full air-cooling control module 31 is configured to control the compressor 8 and the evaporation blower 10 to operate and open the first damper 11 and second damper 12;
  • the full heating control module 32 is configured to control the compressor 8 to stop, open the first damper 11 and second damper 12, and control the evaporation blower 10 to operate; and activate the first heating wire 5, the second heating wire 6 and the compensatory heating wire 13 to operate;
  • the single chamber air-cooling/heating control module 33 is configured to: control the compressor 8 and the evaporation blower 10 to operate, open the first damper 11 and close the second damper 12, and activate the second heating wire 6; when the temperature of the first chamber 3 reaches the preset refrigeration temperature, control the compressor 8 to stop, and close the first
  • the single chamber air-cooling/heating control module 33 comprises an evaporation blower control unit 331 configured to control the evaporation blower 10 to stop when the defrost temperature reaches the first preset temperature T1; and control the evaporation blower 10 to operate until the temperature of the second chamber 4 meets the heating temperature, when the defrost temperature reaches the second preset temperature T2.
  • the air-cooling device further comprises a compensatory heating control module 34 configured to activate the compensatory heating wire 13 after the compressor 8 stops, specifically, activate the compensatory heating wire according to a 100% current conduction rate.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Defrosting Systems (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Claims (8)

  1. Verfahren zum Steuern einer Luftkühlungsvorrichtung, wobei die Luftkühlungsvorrichtung Folgendes aufweist:
    einen Schrank (1);
    eine Auskleidung (2), welche in dem Schrank angebracht ist und dessen Innenraum in eine erste Kammer (3) und eine zweite Kammer (4) unterteilt ist;
    einen ersten Heizdraht (5), welcher in der ersten Kammer angebracht ist;
    einen zweiten Heizdraht (6), welcher in der zweiten Kammer angebracht ist;
    ein Einzyklus-Kühlsystem, welches einen Zirkulationsluftdurchgang (7), einen Kompressor (8) und einen Verdampfer (9) aufweist; wobei ein Abtausensor, welcher eine Abtautemperatur erfasst, am Verdampfer angebracht ist;
    ein Verdampfungsgebläse (10), welches außerhalb der Auskleidung angebracht ist;
    eine erste Klappe (11), welche an der ersten Kammer vorgesehen ist und mit dem Zirkulationsluftdurchgang verbunden ist;
    eine zweite Klappe (12), welche an der zweiten Kammer vorgesehen ist und mit dem Zirkulationsluftdurchgang verbunden ist;
    wobei die Luftkühlungsvorrichtung ferner einen Kompensations-Heizdraht (13) aufweist, welcher an einer Rückseite des Verdampfers angeordnet ist;
    wobei das Steuerverfahren die folgenden Schritte aufweist:
    wenn die erste Kammer ihren Kühlbedarf nicht erfüllt und die zweite Kammer ihren Kühlbedarf erfüllt, Steuern des Kompressors und des Verdampfungsgebläses, um zu arbeiten, Öffnen der ersten Klappe und Schließen der zweiten Klappe, und Aktivieren des zweiten Heizdrahtes;
    Steuern des Kompressors, um zu stoppen, und Aktivieren des Kompensations-Heizdrahtes, wenn die erste Kammer eine voreingestellte Kühltemperatur erreicht, und Schließen der ersten Klappe und Steuern des Verdampfungsgebläses, um nach einer Verzögerung nach dem Stoppen des Kompressors zu stoppen, bis die Abtautemperatur eine erste voreingestellte Temperatur erreicht;
    Abschalten des zweiten Heizdrahts, wenn die zweite Kammer eine Heiztemperatur erreicht; und Öffnen der zweiten Klappe und Steuern des Verdampfungsgebläses, um zu arbeiten, wenn die Abtautemperatur die zweite voreingestellte Temperatur nach einer Verzögerung erreicht, nachdem die erste Klappe geschlossen ist; und Steuern des Verdampfungsgebläses, um zu stoppen, wenn die zweite Kammer eine Heiztemperatur erreicht;
    wobei die zweite voreingestellte Temperatur höher als die erste voreingestellte Temperatur ist.
  2. Verfahren zum Steuern einer Luftkühlungsvorrichtung nach Anspruch 1, wobei der spezifische Vorgang des Aktivierens des Kompensations-Heizdrahtes darin besteht, den Kompensations-Heizdraht mit einer 100%igen Stromleitungsrate zu aktivieren.
  3. Verfahren zum Steuern einer Luftkühlungsvorrichtung nach Anspruch 1, wobei das Steuerverfahren ferner die folgenden Schritte aufweist:
    Öffnen der ersten Klappe und der zweiten Klappe, und Steuern des Verdampfungsgebläses, um zu arbeiten;
    Aktivieren des ersten Heizdrahtes, des zweiten Heizdrahtes und des Kompensations-Heizdrahtes.
  4. Luftkühlungsvorrichtung, aufweisend:
    einen Schrank (1);
    eine Auskleidung (2), welche in dem Schrank angebracht ist und dessen Innenraum in eine erste Kammer (3) und eine zweite Kammer (4) unterteilt ist;
    einen ersten Heizdraht (4), welcher in der ersten Kammer angebracht ist;
    einen zweiten Heizdraht (6), welcher in der zweiten Kammer angebracht ist;
    ein Einzyklus-Kühlsystem, welches einen Zirkulationsluftdurchgang (7), einen Kompressor (8) und einen Verdampfer (9) aufweist; wobei ein Abtausensor, welcher eine Abtautemperatur erfasst, am Verdampfer angebracht ist;
    ein Verdampfungsgebläse (10), welches außerhalb der Auskleidung angebracht ist;
    wobei die Luftkühlungsvorrichtung ferner Folgende aufweist:
    einen Kompensations-Heizdraht (13), welcher an einer Rückseite des Verdampfers angeordnet ist;
    eine erste Klappe (11), welche an der ersten Kammer vorgesehen ist und mit dem Zirkulationsluftdurchgang verbunden ist;
    eine zweite Klappe (12), welche an der zweiten Kammer vorgesehen ist und mit dem Zirkulationsluftdurchgang verbunden ist;
    ein Einkammer-Luftkühlungs/-heizungs-Steuermodul (33), welches wie folgt konfiguriert ist: wenn die erste Kammer ihren Kühlbedarf nicht erfüllt und die zweite Kammer ihren Kühlbedarf erfüllt, Steuern des Kompressors und des Verdampfungsgebläses, um zu arbeiten, Öffnen der ersten Klappe und Schließen der zweiten Klappe, und Aktivieren des zweiten Heizdrahtes; wenn die erste Kammer eine voreingestellte Kühltemperatur erreicht, Steuern des Kompressors, um zu stoppen und Aktivieren des Kompensations-Heizdrahtes, und Schließen der ersten Klappe und Steuern des Verdampfungsgebläses, um nach einer Verzögerung nach dem Stoppen des Kompressors zu stoppen, wenn die Abtautemperatur eine erste voreingestellte Temperatur erreicht; Schließen des zweiten Heizdrahtes, wenn die zweite Kammer eine Heiztemperatur erfüllt; und Öffnen der zweiten Klappe und Steuern des Verdampfungsgebläses, um zu arbeiten, nachdem die erste Klappe geschlossen ist, bis die Abtautemperatur eine zweite voreingestellte Temperatur erreicht, und Steuern des Verdampfungsgebläses, um zu stoppen, wenn die zweite Kammer eine Heiztemperatur erreicht;
    wobei die zweite voreingestellte Temperatur höher als die erste voreingestellte Temperatur ist.
  5. Luftkühlungsvorrichtung nach Anspruch 4, wobei das Einkammer-Luftkühlungs/- heizungs-Steuermodul aufweist:
    eine Verdampfungsgebläse-Steuereinheit (331), welche konfiguriert ist: das Verdampfungsgebläse zu steuern, um zu stoppen, wenn die Abtautemperatur die erste voreingestellte Temperatur erreicht; und das Verdampfungsgebläse zu steuern, um zu arbeiten, bis die zweite Kammer die Heiztemperatur erreicht, wenn die Abtautemperatur die zweite voreingestellte Temperatur erreicht.
  6. Luftkühlungsvorrichtung nach Anspruch 4, wobei die Luftkühlungsvorrichtung ferner aufweist:
    ein Kompensationsheizungs-Steuermodul (34), welches konfiguriert ist, den Kompensations-Heizdraht zu aktivieren, nachdem der Kompressor gestoppt hat.
  7. Luftkühlungsvorrichtung nach Anspruch 6, wobei das Kompensationsheizungs-Steuermodul speziell konfiguriert ist:
    den Kompensations-Heizdraht mit einer 100%igen Stromleitungsrate zu aktivieren.
  8. Luftkühlungsvorrichtung nach Anspruch 4, wobei die Luftkühlungsvorrichtung ferner aufweist:
    ein Vollluftkühlungs-Steuermodul (31), welches konfiguriert ist: die erste Klappe und die zweite Klappe zu öffnen, und das Verdampfungsgebläse zu steuern, um zu arbeiten; und den ersten Heizdraht, den zweiten Heizdraht und den Kompensationsheizdraht zu aktivieren.
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US20220397331A1 (en) 2022-12-15
CN112944771A (zh) 2021-06-11
CN112944771B (zh) 2023-09-29
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