WO2011120293A1 - 风冷冰箱及其控制方法和控制系统 - Google Patents
风冷冰箱及其控制方法和控制系统 Download PDFInfo
- Publication number
- WO2011120293A1 WO2011120293A1 PCT/CN2010/077844 CN2010077844W WO2011120293A1 WO 2011120293 A1 WO2011120293 A1 WO 2011120293A1 CN 2010077844 W CN2010077844 W CN 2010077844W WO 2011120293 A1 WO2011120293 A1 WO 2011120293A1
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- WO
- WIPO (PCT)
- Prior art keywords
- refrigerating
- temperature
- evaporator
- fan
- compartment
- Prior art date
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Classifications
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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
- 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
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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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
- F25B2600/00—Control issues
- F25B2600/11—Fan speed control
- F25B2600/112—Fan speed control of evaporator fans
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
Definitions
- the present invention relates to a control method and control system for an air-cooled water tank and an air-cooled water tank having the same, and more particularly to a method and system for controlling the humidity of a refrigerating compartment of an air-cooled water tank and an air-cooled water tank having the same.
- Conventional air-cooled frost-free water tanks are usually cooled by a single refrigeration system, that is, only one evaporator and fan placed in the freezer compartment are used to provide cold air to the freezing compartment and the refrigerating compartment, and the cold air enters the cold compartment through the opening and closing of the damper. .
- an air-cooled frost-free water tank with a double evaporator circulation system in which the refrigerating chamber and the freezing chamber are respectively arranged with evaporators, and the air volume of the refrigerating chamber and the freezing chamber are independently cycled, but since there is no certain treatment means for the evaporator, Moreover, the working condition of the refrigerator of the refrigerating compartment is not optimized. Although the factors such as the odor between the foods are unfavorable to the user, the moisture of the refrigerating compartment is frosted on the evaporator, and then heated and discharged to the tank, and the whole refrigerating compartment The humidity is not guaranteed and the freshness of the food cannot be guaranteed.
- the present invention aims to solve at least one of the technical problems existing in the prior art.
- an object of the present invention is to provide a control method and control system for an air-cooled water tank and an air-cooled water tank having the same, and to control the refrigerating chamber flexibly by controlling the refrigerating evaporator and the refrigerating fan reasonably. Humidity, avoiding water loss from food and improving freshness preservation.
- a method of controlling an air-cooled water tank having a refrigerating chamber, a refrigerating evaporator, and circulating air between the refrigerating evaporator and the refrigerating chamber includes the following steps: detecting the temperature TL in the refrigerating chamber; determining whether the temperature TL is greater than or equal to the first preset temperature ⁇ , and if the temperature TL > T T , starting the refrigerating evaporator for cooling and refrigerating The speed of the fan is adjusted to r 1;
- the independent refrigerating evaporator and the refrigerating fan are provided for the refrigerating chamber, and the operation of the refrigerating evaporator is controlled according to the temperature in the refrigerating chamber and the temperature of the refrigerating evaporator is rational and flexible according to the temperature of the refrigerating evaporator Adjusting the rotation speed of the refrigerating fan to make the refrigerating room have higher humidity, effectively reducing the moisture loss of the food in the refrigerating room and enhancing the fresh-keeping effect.
- the control method of the air-cooled water tank according to the embodiment of the present invention, most of the water on the refrigerating evaporator can be brought into the cold
- the storage compartment relatively reduces the frost on the refrigerating evaporator, thereby prolonging the defrosting cycle of the refrigerating compartment or the number of times the defrosting heating wire is operated, thereby reducing power consumption.
- first preset temperature 1 ⁇ is the maximum allowable temperature in the refrigerating compartment
- second preset temperature ⁇ 2 is the minimum allowable temperature in the refrigerating compartment.
- the refrigerating evaporator is maintained and the speed of the refrigerating fan is maintained ⁇ .
- adjusting the rotation speed of the refrigerating fan according to the temperature ⁇ _to adjust the humidity in the refrigerating chamber includes gradually decreasing the rotation speed of the refrigerating fan as the temperature rises.
- adjusting the rotation speed of the refrigerating fan according to the temperature ⁇ _ to adjust the humidity in the refrigerating compartment includes:
- t 3 is the third preset temperature
- t 4 is the fourth preset temperature
- r 4 ⁇ r 3 ⁇ r 2 ⁇ r lo
- adjusting the rotational speed of the refrigerating fan according to the temperature T Tin to adjust the humidity in the refrigerating compartment includes gradually decreasing the rotational speed of the refrigerating fan as the temperature rises.
- a control system for an air-cooled water tank having a refrigerating chamber, a refrigerating evaporator, and a refrigerating fan for circulating air between the refrigerating evaporator and the refrigerating chamber
- the control system comprises: a refrigerating compartment temperature detecting unit, configured to detect a temperature TL in the refrigerating compartment;
- a refrigerating compartment temperature determining unit configured to determine whether the temperature TL is within a range of T 2 ⁇ TL ⁇ T ⁇ , wherein 1 ⁇ is a first preset temperature, and ⁇ 2 is a second preset temperature;
- Refrigerated evaporator temperature detecting unit for detecting the temperature of the evaporator ⁇ .
- control unit configured to start the refrigerating evaporator for cooling at a temperature TL > T ⁇ and adjust the rotational speed of the refrigerating fan to r and stop the refrigerating evaporator operation when TL ⁇ T 2 and adjust the refrigerating according to the temperature T Tin The speed of the fan to adjust the humidity in the refrigerator.
- the control unit maintains the operation of the refrigerated evaporator at T 2 ⁇ ⁇ ⁇ and maintains the rotational speed of the refrigerating fan ⁇ .
- control unit gradually reduces the number of revolutions of the refrigerating fan in accordance with the temperature increase.
- control system may further include an evaporator temperature determination unit for determining the evaporator temperature, wherein the control unit will rotate the refrigerating fan when the evaporator temperature determination unit determines T Benefici ⁇ t 3 Adjust to r 2 , adjust the speed of the refrigerating fan to r 3 when t 3 ⁇ T Structure ⁇ t 4 , and adjust the speed of the refrigerating fan to r 4 when T Formula> t 4 , where t 3 is the third pre- Set the temperature, t 4 is the fourth preset temperature, and r 4 ⁇ r 3 ⁇ r 2 ⁇ r lo
- an air-cooled water tank having a refrigerating chamber, a refrigerating evaporator, and a refrigerating fan for circulating air between the refrigerating evaporator and the refrigerating chamber, wherein the wind
- the cold water tank also includes a control system in accordance with an embodiment of the second aspect of the invention.
- the air-cooled water tank according to the embodiment of the third aspect of the present invention may further include a freezing compartment, a freezing evaporator, and a switching unit, wherein the switching unit is connected to the freezing evaporator through a freezing capillary, and the refrigerating evaporator is switched by the refrigerating capillary
- the units are connected, and the refrigerating evaporator and the refrigerating capillary are connected in parallel with the freezing capillary, and the control unit controls the switching unit to selectively supply the refrigerant to the refrigerating evaporator to start or stop the refrigerating of the refrigerating chamber.
- the refrigerating evaporator includes a coil and a plurality of fins extending in a longitudinal direction in a corrugated shape to constitute a plurality of horizontal tubular sections in a longitudinal direction, the plurality of fins being arranged in a lateral direction and respectively connected to the coil Above, at least a portion of the fins each have at least one break point in the longitudinal direction to be discontinuous in the longitudinal direction.
- each fin has a plurality of break points located between adjacent two transverse pipe sections.
- each of the fins is provided with a plurality of through holes, wherein the plurality of horizontal pipe segments respectively pass through the plurality of through holes.
- FIG. 1 is a flow chart showing a method of controlling an air-cooled water tank according to an embodiment of the present invention
- FIG. 1 is a flow chart showing a method of controlling an air-cooled water tank according to another embodiment of the present invention.
- FIG. 3 is a block diagram of a control system for an air-cooled water tank according to an embodiment of the present invention
- Figure 4 is a schematic view of a refrigeration system of an air-cooled water tank according to an embodiment of the present invention.
- Figure 5 is a schematic structural view of an air-cooled water tank according to an embodiment of the present invention.
- Figure 6 is a schematic view of a refrigerating evaporator of an air-cooled water tank which is an embodiment of the present invention.
- Fig. 7 is an enlarged schematic view of ⁇ I in Fig. 6. Detailed ways
- a water tank according to an embodiment of the present invention includes a casing 1 and a tank door 2, and the casing 1 defines therein a refrigerating chamber 5 at an upper portion and a freezing chamber 7 at a lower portion.
- a variable greenhouse B may be provided between the refrigerating compartment 5 and the freezing compartment 7.
- a refrigerating evaporator 3 is disposed behind the refrigerating compartment 5 (on the left side in FIG.
- variable greenhouse B is also cooled by the cold air generated by the refrigerant evaporator 3, but the present invention is not limited thereto.
- a freezing evaporator 6 is provided behind the freezing compartment 7.
- the compressor 9 is installed at the bottom of the tank 1, and the condenser 8 is placed at the right side of the compressor 9 at the bottom of the tank.
- FIG. 4 a refrigeration system of an air-cooled water tank according to an embodiment of the present invention will be described with reference to FIG.
- the refrigerating evaporator 3 and the refrigerating evaporator 6 are disposed in a refrigerating system, a compressor 9, a condenser 8, an anti-dew tube 12, a drier filter 11, a solenoid valve 10 as a switching unit, and
- the freezing evaporators 7 are sequentially connected, wherein the solenoid valve 10 is connected to the freezing evaporator 6 through a freezing capillary 13.
- solenoid valve 10 is also connected to the refrigerating evaporator 3 through the refrigerating capillary 14, and the refrigerating evaporator 3 and the refrigerating capillary 14 are connected in parallel with the freezing capillary 13. Solenoid valve 10 is used to selectively supply refrigerant The refrigerating evaporator 3 is supplied to selectively control the refrigeration of the refrigerating compartment 5.
- the water tank, the refrigerating compartment 5 and the freezing compartment 7 according to the embodiment of the present invention are respectively cooled by independent evaporators, and a refrigeration system is used, thereby reducing the number of components and reducing the cost.
- the refrigerated evaporator 3 includes a coil 31 and a plurality of fins 32.
- the coil 31 extends in a corrugated shape in the longitudinal direction (vertical direction in Fig. 6) so that the coil 31 constitutes a plurality of transverse tubular sections 31 1 in the longitudinal direction, and the adjacent transverse tubular sections 31 1 can pass through the curved transitional section 31 2 Connected so that two adjacent transverse pipe segments 31 1 and transition pipe segments 31 2 form a generally U-shape.
- a plurality of fins 32 are arranged in the lateral direction (left-right direction in Fig.
- the discontinuity of the fins 32 in the longitudinal direction can be achieved by disposing the longitudinally integral fins.
- the fins 32 connected to each of the transverse pipe segments 31 1 may be separate fins such that the fins 32 connected to each of the transverse pipe segments 31 1 are discontinuous in the longitudinal direction.
- each of the fins 32 has a plurality of breaking points between the adjacent two lateral pipe sections 31 1 in the longitudinal direction, so that each of the fins 32 is in the longitudinal direction. It consists of multiple segments that are not continuous.
- each of the fins 32 is provided with a through hole (not shown) through which the plurality of lateral tube segments 31 1 respectively pass through the plurality of through holes on the fins 32, thereby bringing the fins 32 and the lateral direction
- the pipe segments 31 1 are connected.
- the fins 32 may also be welded to the transverse tube segments 31 1 , respectively.
- the fins 32 have a split structure that is discontinuous in the longitudinal direction. Therefore, the surface tension of the water can be used to form small water droplets at the bottom end of each of the fins 32, thereby preventing the water droplets from flowing and converging along the longitudinally continuous fins, thereby causing water loss and prolonging the time that the water droplets stay on the refrigerating evaporator 3.
- These small water droplets can be brought into the refrigerating chamber 5 by means of a water vapor circulation, so that the refrigerating chamber 5 maintains a high humidity.
- the refrigerating fan 4 can be used to change the water droplets generated by the defrosting on the plurality of fins 32 into the refrigerating chamber 5, thereby effectively reducing the water loss in the refrigerating chamber 5, and preventing the water droplets from rapidly descending along the longitudinally continuous fins.
- the water tray that flows and quickly converges into the bottom is discharged out of the tank 1. Therefore, the refrigerating compartment 5 can be placed in a relatively high humidity state, the moisture loss of the food is reduced and the freshness keeping time is prolonged, and the fresh-keeping performance of the refrigerating compartment 5 is remarkably improved.
- the control method and the control system of the air-cooled water tank according to the embodiment of the present invention are described below with reference to FIG. 1 to 3.
- the control method and the control system of the embodiment of the present invention can adjust the temperature of the refrigerating evaporator 4 according to the temperature of the refrigerating evaporator.
- the rotational speed is such that the defrosted water on the refrigerating evaporator 3 is sent into the refrigerating compartment 5 to maintain the humidity in the refrigerating compartment 5.
- a control method for maintaining the humidity in the refrigerating compartment 5 of the air-cooled water tank includes the following steps:
- step S1 01 the temperature in the refrigerating compartment 5 is detected.
- step S102 it is judged whether or not the temperature TL in the refrigerating compartment 5 is greater than or equal to the first preset temperature 1 ⁇ (step S102). If T L > T ⁇ , the refrigerating evaporator 3 is started to perform cooling and the rotation speed of the refrigerating fan 4 is adjusted to ⁇ (step S 1 03 ).
- step S 1 04 it is further determined whether the temperature TL is lower than the second preset temperature T 2 (step S 1 04 ).
- the refrigerating evaporator 3 is stopped and the temperature T réelle of the surface of the refrigerating evaporator 3 is detected (step S 1 05 ). Finally, the rotation speed of the refrigerating fan 4 is adjusted according to the temperature of the refrigerating evaporator 3, thereby The humidity in the refrigerating compartment 3 is adjusted (step S106). According to the control method of the embodiment of the invention, the refrigerating evaporator 3 is activated to cool the inside of the refrigerating compartment 5 when the temperature in the refrigerating compartment 5 is higher than or equal to the first preset temperature 1 ⁇ .
- the refrigerating evaporator 3 When the temperature in the refrigerating compartment 5 satisfies the requirements, the refrigerating evaporator 3 is stopped, at which time the refrigerating fan 4 does not stop, but continues to operate to feed the defrost water on the surface of the refrigerating evaporator 3 into the refrigerating compartment 5, and The rotation speed of the refrigerating fan 4 is adjusted according to the temperature of the surface of the refrigerating evaporator 3, so that the high humidity is maintained in the refrigerating compartment 5, the moisture loss of the food in the refrigerating compartment 5 is effectively reduced, and the fresh-keeping effect is enhanced.
- the frosting on the refrigerating evaporator 3 is relatively reduced, so that the defrosting cycle of the refrigerating compartment 5 can be lengthened, that is, the number of operations of the defrosting heating wire in the refrigerating compartment per unit time can be reduced, and the electric energy consumption can be also reduced, thereby achieving an energy saving effect.
- the first preset temperature 1 ⁇ may be the maximum allowable temperature in the refrigerating compartment 5, and the second preset temperature T 2 may be the minimum allowable temperature in the refrigerating compartment 5.
- the temperature in the refrigerating compartment 5 is usually 1 degree Celsius - 6 degrees Celsius. Then the first preset temperature 1 ⁇ can be set to 6 degrees Celsius, and the second preset temperature ⁇ 2 can be 1 degree Celsius.
- the refrigerating evaporator 3 can be maintained. the fan speed running and kept refrigerated ⁇ 4 until T 2 ⁇ TL is less than T 2 stops operation of the refrigerating evaporator 3.
- T 2 ⁇ It is also possible to stop the operation of the refrigerating evaporator 3.
- adjusting the rotational speed of the refrigerating fan according to the temperature T of the refrigerating evaporator 3 may gradually decrease the rotational speed of the refrigerating fan 4 as the temperature rises.
- the higher the temperature of the refrigerating evaporator 3 The lower the rotational speed of the refrigerating fan 4, the greater the humidity in the refrigerating compartment 5.
- the speed of the refrigerating fan is adjusted according to the temperature, and the temperature is increased with the temperature.
- the rotation speed of the refrigerating fan 4 is lowered.
- the control method according to another embodiment of the present invention includes the following steps: First, the temperature TL in the refrigerating compartment 5 is detected (step S201).
- step S202 it is judged whether or not the temperature TL in the refrigerating compartment 5 is greater than or equal to the first preset temperature 1 ⁇ (step S202). If T L > T ⁇ , the refrigerating evaporator 3 is started to perform cooling and the rotation speed of the refrigerating fan 4 is adjusted to ⁇ (step S203).
- step S204 If temperature It is further determined whether the temperature TL is lower than the second preset temperature T 2 (step S204).
- the refrigerating evaporator 3 is stopped and the temperature T réelle of the surface of the refrigerating evaporator 3 is detected (step S 205 ).
- the rotation speed of the refrigerating fan 4 is adjusted according to the temperature of the refrigerating evaporator 3, thereby The humidity inside the refrigerating compartment 3 is adjusted. More specifically, it is judged whether or not ⁇ is smaller than t 3 (step 2601), and if T réelle ⁇ t 3 , the rotation speed of the refrigerating fan 4 is adjusted to r 2 (step 2602).
- T Process is not less than t 3 , it is judged whether T desire is smaller than t 4 (step 2603), and if t 3 ⁇ Têt ⁇ t 4 , the rotation speed of the refrigerating fan 4 is adjusted to r 3 (step 2604). If it is not less than t 4 , then judge Tmony t 4 (step 2605 ), then adjust the rotation speed of the refrigerating fan 4 to r 4 (step 2606 ), where t 3 is the third preset temperature, and t 4 is the fourth preset. Temperature, and r 4 ⁇ r 3 ⁇ r 2 ⁇ r lo
- the rotational speed of the refrigerating fan 4 is adjusted in accordance with the temperature of the refrigerating evaporator 3, wherein the temperature T of the refrigerating evaporator 3 is divided into three sections, it being understood that the present invention is not limited thereto. , you can divide any suitable number of segments according to the application.
- a control system includes a refrigerating compartment temperature detecting unit 18, a refrigerating compartment temperature judging unit 19 connected to the refrigerating compartment temperature detecting unit 18, a refrigerating evaporator temperature detecting unit 20, and a control unit. 15.
- the refrigerating compartment temperature detecting unit 18 is, for example, a temperature sensor for detecting the temperature TL in the refrigerating compartment 5.
- the refrigerating compartment temperature judging unit 19 is for judging whether or not the temperature TL is within the range of T 2 ⁇ T L ⁇ T ⁇ .
- the refrigerated evaporator temperature detecting unit 10 is used to detect the temperature of the evaporator.
- the control unit 15 activates the refrigerating evaporator 3 for cooling at the temperature T > T t and adjusts the rotational speed of the refrigerating fan 4 to r l 5 and stops the refrigerating evaporator 3 when TL ⁇ T 2 and adjusts the refrigerating fan 4 according to the temperature T Formula
- the rotation speed is to adjust the humidity in the refrigerating compartment 5.
- control unit 15 may specifically include a refrigeration control module 17 and a refrigerating fan control module 16.
- the refrigeration control module 17 is for controlling the operation and stop of the refrigerating evaporator 3, and the refrigerating fan control module 16 is for controlling the refrigerating fan 4.
- control unit 15 maintains the operation of the refrigerating evaporator 3 at ⁇ 1 ⁇ 1 ⁇ and maintains the rotational speed control unit 15 of the refrigerating fan 4 to gradually reduce the rotational speed of the refrigerating fan 4 according to the temperature increase, or a phased The rotation speed of the refrigerating fan 4 is lowered.
- control system may further include an evaporator temperature determining unit 21 for determining the evaporator temperature ⁇ .
- the control unit 15 refrigerating fan speed 4 adjusted to r 2, at t 3 ⁇ T " ⁇ refrigerating fan speed 4 is adjusted 4 t is r 3, and the T"> t 4 when the refrigerating fan speed 4 adjusted to r 4.
- the rotational speed of the refrigerating fan 4 can be adjusted according to the evaporator temperature, thereby feeding the defrosted water on the surface of the refrigerating evaporator 3 into the refrigerating chamber 5, so that the inside of the refrigerating chamber 5 is kept high.
- the humidity effectively reduces the water loss of the food in the refrigerating compartment 5 and enhances the freshness preservation effect.
- the frosting on the refrigerating evaporator 3 is relatively reduced, so that the defrost cycle of the refrigerating compartment 5 can be prolonged, that is, the number of times of refining the frosting heating wire per unit time is reduced, and the electric energy consumption is also reduced, thereby achieving an energy saving effect.
- control unit 15, the refrigerating compartment temperature judging unit 19 and the evaporator temperature judging unit 21 are separate components, and in practical applications, they can be integrated into a single chip, which is suitable for the art. Ordinary technicians can be easily understood.
- the air-cooled water tank according to an embodiment of the present invention may include the above-described control system.
- the following is a description of the operation of the air-cooled water tank according to an embodiment of the present invention.
- the control unit 15 activates the compressor 9, and the switching unit (solenoid valve) 10 switches the refrigerant to the refrigerating capillary 14, the refrigerant from the refrigerating capillary 14 enters the refrigerating evaporator 3, and then enters the refrigerating evaporator 6 from the refrigerating evaporator 3, thereby cooling the refrigerating chamber 3 and the freezing chamber 7, at which time the control unit 15 controls the revolving fan 4 to rotate at a speed r l when the refrigerating chamber 5 does not
- the control unit 15 controls the solenoid valve 10 to switch the refrigerant to the freezing capillary 13, and the refrigerant enters the freezing evaporator 6 from the freezing capillary 13 to cool the freezing compartment 7, since the refrigerant does not enter the refrigeration.
- the control unit 15 stops the operation of the compressor 9.
- the refrigerating evaporator temperature detecting unit 20 detects the temperature T Mandarin of the refrigerating evaporator 3, and if T Zhao ⁇ t 3 , the control unit 15 adjusts the rotational speed of the refrigerating fan 4 to r 2 ; t 3 ⁇ Têt ⁇ t 4 , the control unit 15 adjusts the rotational speed of the refrigerating fan 4 to r 3 ; if T Vietnamese > t 4 , the control unit 15 adjusts the rotational speed of the refrigerating fan 4 to r 4 .
- the refrigerating fan 4 feeds the defrosted water on the refrigerating evaporator 3 into the refrigerating compartment 5, thereby maintaining the humidity and freshness in the refrigerating compartment 5.
- the independent evaporator and the air duct are respectively disposed in the refrigerating compartment and the freezing compartment of the air-cooled water tank, and the working state of the refrigerating fan is adjusted by a reasonable and flexible control manner, so that the refrigerating compartment is in a
- the higher humidity state reduces the water loss of the food and prolongs the preservation time, thus significantly improving the freshness preservation performance of the refrigerator.
- the refrigerating compartment and the freezing compartment have independent air duct circulation systems to avoid odor between foods, the user's needs can be further satisfied.
- the defrosted water on the refrigerating evaporator 3 is sent to the refrigerating chamber by the refrigerating fan 4, so that the high humidity is maintained in the refrigerating chamber 5, and the moisture loss of the food in the refrigerating chamber 5 is effectively reduced, and the fresh-keeping effect is enhanced. .
- the frosting on the refrigerating evaporator 3 is relatively reduced, so that the defrost cycle of the refrigerating compartment 5 can be prolonged, that is, the number of operations of the refrigerating compartment defrosting heating wire per unit time can be reduced, and the electric energy consumption can be reduced, thereby achieving an energy saving effect.
- the description of the terms “one embodiment”, “some embodiments”, “example”, “specific example”, or “some examples” and the like means a specific feature described in connection with the embodiment or example.
- a structure, material or feature is included in at least one embodiment or example of the invention.
- the schematic representation of the above terms does not necessarily mean the same embodiment or example.
- the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.
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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)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2010350112A AU2010350112B2 (en) | 2010-03-30 | 2010-10-18 | Air-cooled refrigerator, method and system of controlling the same |
EP10848752.1A EP2505946B1 (en) | 2010-03-30 | 2010-10-18 | A system of controlling an air-cooled refrigerator |
US13/472,697 US8677771B2 (en) | 2010-03-30 | 2012-05-16 | Air cooled refrigerator, method and system of controlling the same |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201010138403 CN101937247B (zh) | 2010-03-30 | 2010-03-30 | 风冷冰箱的保湿控制方法、系统及一种风冷冰箱 |
CN201010138403.4 | 2010-03-30 | ||
CN201020159347.8 | 2010-04-08 | ||
CN2010201593478U CN201662283U (zh) | 2010-04-08 | 2010-04-08 | 一种翅片蒸发器及一种冰箱 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/472,697 Continuation US8677771B2 (en) | 2010-03-30 | 2012-05-16 | Air cooled refrigerator, method and system of controlling the same |
Publications (1)
Publication Number | Publication Date |
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WO2011120293A1 true WO2011120293A1 (zh) | 2011-10-06 |
Family
ID=44711332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2010/077844 WO2011120293A1 (zh) | 2010-03-30 | 2010-10-18 | 风冷冰箱及其控制方法和控制系统 |
Country Status (4)
Country | Link |
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US (1) | US8677771B2 (zh) |
EP (1) | EP2505946B1 (zh) |
AU (1) | AU2010350112B2 (zh) |
WO (1) | WO2011120293A1 (zh) |
Families Citing this family (13)
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JP5766000B2 (ja) * | 2011-04-25 | 2015-08-19 | ホシザキ電機株式会社 | 冷却貯蔵庫 |
ITTO20131095A1 (it) * | 2013-12-31 | 2015-07-01 | Indesit Co Spa | Metodo e dispositivo di controllo di una fase di surgelamento in un apparecchio frigorifero del tipo combinato mono regolazione, e relativo apparecchio frigorifero |
ITTO20131094A1 (it) * | 2013-12-31 | 2015-07-01 | Indesit Co Spa | Metodo e dispositivo di controllo di una fase di surgelamento in un apparecchio frigorifero del tipo combinato mono regolazione, e relativo apparecchio frigorifero |
ITTO20131093A1 (it) * | 2013-12-31 | 2015-07-01 | Indesit Co Spa | Metodo e dispositivo di controllo di una fase di surgelamento in un apparecchio frigorifero del tipo combinato mono regolazione, e relativo apparecchio frigorifero |
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CN109060035A (zh) * | 2018-08-28 | 2018-12-21 | 重庆大学 | 物联网智能传感器 |
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EP2505946A4 (en) | 2013-12-11 |
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US8677771B2 (en) | 2014-03-25 |
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