CN114234522A - Refrigerator and control method thereof - Google Patents

Refrigerator and control method thereof Download PDF

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Publication number
CN114234522A
CN114234522A CN202111583360.5A CN202111583360A CN114234522A CN 114234522 A CN114234522 A CN 114234522A CN 202111583360 A CN202111583360 A CN 202111583360A CN 114234522 A CN114234522 A CN 114234522A
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CN
China
Prior art keywords
temperature
detection position
difference value
value
temperature difference
Prior art date
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Pending
Application number
CN202111583360.5A
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Chinese (zh)
Inventor
王铭坤
文翔
廖虎
李江伟
冯云凌
刘洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202111583360.5A priority Critical patent/CN114234522A/en
Publication of CN114234522A publication Critical patent/CN114234522A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • F25D29/003Arrangement or mounting of control or safety devices for movable devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00Control issues
    • F25D2600/02Timing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00Control issues
    • F25D2600/06Controlling according to a predetermined profile
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00Means for sensing or measuring; Sensors therefor
    • F25D2700/12Sensors measuring the inside temperature

Abstract

The invention provides a refrigerator and a control method thereof. The refrigerator comprises a shell, wherein an accommodating cavity is formed inside the shell; the temperature sensing mechanism is arranged in the accommodating cavity and can move along a preset path in the accommodating cavity. According to the refrigerator and the control method thereof provided by the invention, the temperature sensing mechanism is adopted to carry out mobile temperature measurement in the accommodating cavity, so that the problems of high cost and complicated wiring caused by the fact that a plurality of temperature sensing bags need to be arranged to carry out multipoint temperature measurement in the prior art are effectively solved, meanwhile, the targeted temperature control can be carried out on the detection position according to the preset conditions, the uniformity of the space temperature of the refrigerator is effectively increased, and various controls on a single point, the same height (the same shelf) or the whole space of the refrigerator are realized according to different preset conditions, so that the temperature in the accommodating cavity is more uniform.

Description

Refrigerator and control method thereof
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to a refrigerator and a control method thereof.
Background
The room temperature control of the existing mainstream air-cooled refrigerator is detected by a temperature sensing bulb arranged in the refrigerator, when the detected temperature is higher than the set temperature, a wind door is opened to blow cold air for cooling, otherwise, the wind door is closed, the temperature rises, and therefore the room can maintain the set temperature. However, when the compartment space is large, the temperature at each point is not uniform, and the temperature cannot be precisely controlled and adjusted, and the temperature uniformity is not good. In the industry, a plurality of temperature sensing bags are generally adopted, point distribution detection is carried out at different positions, then the temperature is controlled, the occupied space is large, and the wiring is complex.
Disclosure of Invention
In order to solve the technical problems that a plurality of temperature sensing bulbs need to be arranged in the refrigerator and wiring is complex in the prior art, the refrigerator and the control method thereof are provided, wherein the temperature sensing mechanism can movably obtain the temperatures of a plurality of detection positions in the refrigerator so as to reduce wiring complexity of the refrigerator.
A refrigerator, comprising:
the device comprises a shell, a first fixing piece and a second fixing piece, wherein an accommodating cavity is formed inside the shell;
the temperature sensing mechanism is arranged in the accommodating cavity and can move along a preset path in the accommodating cavity;
at least two air ports are arranged in the accommodating cavity, and the air outlet amount can be adjusted according to the detection result of the temperature sensing mechanism through the air ports.
The temperature sensing mechanism is arranged in the path groove and can freely move in the path groove.
The refrigerator also comprises a driving mechanism, wherein a temperature sensing covered wire of the temperature sensing mechanism is arranged in the path groove, and the driving mechanism can drive the temperature sensing mechanism to move by pulling the temperature sensing covered wire.
The driving mechanism comprises a motor, and the temperature sensing covered wire is wound on a rotating shaft of the motor.
The refrigerator further comprises a reset mechanism, the reset mechanism is arranged on the shell, the driving mechanism can drive the temperature sensing mechanism to move from the first end of the path groove to the second end of the path groove, and the reset mechanism can drive the temperature sensing mechanism to move from the second end of the path groove to the first end of the path groove.
The reset mechanism comprises a spring, the spring is sleeved on the temperature sensing covered wire, and along with the movement of the temperature sensing covered wire, the spring is stretched or compressed.
The path slot is annular, and the driving mechanism is located at the joint of the first end of the path slot and the second end of the path slot.
The shape of the path slot is oval, round, serpentine or square.
The number of the driving mechanisms is at least two, and each driving mechanism can drive at least one temperature sensing mechanism to move.
The control method of the refrigerator comprises the following steps:
step S1, acquiring the temperature of at least one detection position in the accommodating cavity;
and step S2, comparing all temperature values according to preset conditions and adjusting the air output of the air inlet according to the comparison result.
Step S2 further includes:
acquiring a temperature difference value delta T1 of the same detection position between first time intervals;
if the delta T1 is smaller than the first set temperature difference value, the air output of the air outlet corresponding to the detection position is kept unchanged.
After the obtaining of the temperature difference Δ T1 between the first time intervals of the same detection position, the method further includes:
and if the delta T1 is larger than or equal to the first set temperature difference value, increasing the air output of the air port corresponding to the detection position.
In the acquiring of the temperature difference value Δ T1 at the first time interval of the same detection position, the method further includes:
acquiring a temperature value Ts1 at the first moment and a temperature value Ts2 at the second moment of the detected position, and calculating the difference between Ts1 and Ts2 to obtain a temperature difference value delta T1;
the first time and the second time are separated by a first time interval.
After the obtaining of the temperature difference Δ T1 between the first time intervals of the same detection position, the method further includes:
comparing Ts2 with a set temperature T0;
if the difference value between Ts2 and T0 is smaller than the first preset value and the delta T1 is smaller than the first preset temperature difference value, the air output of the air port corresponding to the detection position is kept unchanged.
After the comparing Ts2 with the set temperature T0, the method further comprises the following steps:
and if the difference value of the Ts2 and the T0 is greater than or equal to a first preset value and/or the delta T1 is greater than or equal to a first set temperature difference value, increasing the air output of the air opening corresponding to the detection position.
Step S2 further includes:
determining at least two detection positions at the same height in the accommodating cavity, and respectively acquiring the temperature difference value of each detection position at a first time interval;
and comparing the temperature difference values of the at least two detection positions, and increasing the air output of the air outlet corresponding to the detection position with the large temperature difference value.
At least two detection positions are determined at the same height in the accommodating cavity, and the temperature difference value of each detection position at the first time interval is respectively obtained, the method further comprises the following steps:
acquiring a temperature value Ts1 at a first moment and a temperature value Ts2 at a second moment of the same detection position, and calculating a difference value between Ts1 and Ts2 to obtain a temperature difference value delta T1 of the detection position;
the first time and the second time are separated by a first time interval.
In the obtaining of the temperature value Ts1 at the first time and the temperature value Ts2 at the second time of the same detected position, calculating a difference value between Ts1 and Ts2 to obtain the temperature difference value Δ T1 at the detected position, the method further includes:
comparing two adjacent temperature difference values of the same detection position;
and if the difference value between the previous temperature difference value and the next temperature difference value is larger than a second preset value, taking the next temperature difference value as the temperature difference value delta T1 of the detection position.
After the comparing two adjacent temperature difference values of the same detection position, the method further comprises:
if the former temperature difference value is smaller than the latter temperature difference value, the temperature difference value of the detection position is obtained again, and two adjacent temperature difference values of the same detection position are compared repeatedly.
Step S2 further includes:
determining at least two detection positions in the accommodating cavity, and respectively acquiring a temperature value of each detection position;
respectively comparing the temperature value of each detection position with a set temperature T0;
and if the temperature value of the detection position is greater than the set temperature T0, increasing the air output of the air outlet corresponding to the detection position.
After the comparing the temperature value of each detection position with the set temperature T0, the method further comprises:
and if the temperature value of the detection position is smaller than the preset temperature value, reducing the air output of the air port corresponding to the detection position.
The first time interval has a value in the range of 60s to 240 s.
A control method of the refrigerator as described above,
at least two detection positions are arranged on a preset path, and the temperature sensing mechanism stays at each detection position for a first set time period.
The numerical range of the first set time period is 10s to 40 s.
According to the refrigerator and the control method thereof provided by the invention, the temperature sensing mechanism is adopted to carry out mobile temperature measurement in the accommodating cavity, so that the problems of high cost and complicated wiring caused by the fact that a plurality of temperature sensing bags need to be arranged to carry out multipoint temperature measurement in the prior art are effectively solved, meanwhile, the targeted temperature control can be carried out on the detection position according to the preset conditions, the uniformity of the space temperature of the refrigerator is effectively increased, and various controls on a single point, the same height (the same shelf) or the whole space of the refrigerator are realized according to different preset conditions, so that the temperature in the accommodating cavity is more uniform.
Drawings
Fig. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a temperature sensing mechanism, a path slot and a driving mechanism according to an embodiment of the present invention;
FIG. 3 is a partial schematic view of a path slot and reset mechanism according to an embodiment of the present invention;
fig. 4 is a flowchart of a control method of a refrigerator according to the present invention;
fig. 5 is another flowchart of a control method of a refrigerator according to the present invention;
fig. 6 is another flowchart of a control method of a refrigerator according to the present invention;
in the figure:
1. a housing; 11. an accommodating chamber; 2. a path slot; 3. a drive mechanism; 4. a temperature sensing mechanism; 5. a reset mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The refrigerator as shown in fig. 1 to 6 includes: a housing 1, the housing 1 having a receiving chamber 11 (preferably a refrigerating chamber) formed therein; the temperature sensing mechanism 4 is arranged in the accommodating cavity 11, and the temperature sensing mechanism 4 can move along a preset path in the accommodating cavity 11; at least two air ports are arranged in the accommodating cavity 11, and the air outlet quantity can be adjusted according to the detection result of the temperature sensing mechanism 4 through the air ports. Temperature-sensing mechanism 4 can realize holding the temperature detection of different detection position in the chamber 11 through the removal in predetermineeing the route, and the while is even in order to guarantee to hold the temperature in the chamber 11, holds the wind gap in the chamber 11 and can control the air output according to temperature-sensing mechanism 4's testing result.
Preferably, the detection positions and the air outlets nearby the detection positions form a corresponding relationship, and the detection result of one detection position can control the air output of the air outlet nearby the detection position.
The temperature sensing device is characterized in that a path groove 2 is further arranged in the shell 1, and the temperature sensing mechanism 4 is arranged in the path groove 2 and can freely move in the path groove 2. Preferably, a refrigerating air duct cover is arranged in the accommodating cavity 11, the path groove 2 is arranged in the refrigerating air duct cover, and at the moment, the path groove 2 and the temperature sensing mechanism 4 can be shielded without affecting the appearance of the refrigerator and the accommodating cavity 11.
The refrigerator further comprises a driving mechanism 3, a temperature sensing covered wire of the temperature sensing mechanism 4 is arranged in the path groove 2, and the driving mechanism 3 can drive the temperature sensing mechanism 4 to move by pulling the temperature sensing covered wire.
The driving mechanism 3 comprises a motor, and the temperature sensing covered wire is wound on a rotating shaft of the motor. The temperature sensing mechanism 4 is driven to move by controlling the winding number of the temperature sensing covered wire on the rotating shaft. Preferably, the motor is a stepping motor, and the detection position (the stop point of the temperature sensing mechanism 4) may be set according to the number of steps.
In order to avoid the overlong moving path of the temperature sensing envelope of the temperature sensing mechanism 4, the moving mode of the temperature sensing mechanism 4 is set to be reciprocating, the refrigerator further comprises a resetting mechanism 5, the resetting mechanism 5 is arranged on the shell 1, the driving mechanism 3 can drive the temperature sensing mechanism 4 to move towards the second end of the path slot 2 along the first end of the path slot 2, and the resetting mechanism 5 can drive the temperature sensing mechanism 4 to move towards the first end of the path slot 2 along the second end of the path slot 2. The driving mechanism 3 and the reset mechanism 5 are matched to realize the reciprocating motion of the temperature sensing mechanism 4 at the same time.
The reset mechanism 5 comprises a spring, the spring is sleeved on the temperature sensing envelope wire, and along with the movement of the temperature sensing envelope wire, the spring is stretched or compressed. The temperature sensing covered wire is prevented from moving along the path groove 2 when the free length of the temperature sensing covered wire is increased, a layer of spring is sleeved on the outer side of the temperature sensing covered wire, the temperature sensing covered wire is limited to a certain degree by the spring, meanwhile, one end of the spring is fixed in the path groove 2, the other end of the spring is fixed on the temperature sensing covered wire, when the driving mechanism drives the temperature sensing covered wire to move, the spring is stretched or compressed to accumulate elastic potential energy, and the elastic potential energy can drive the temperature sensing mechanism 4 and the temperature sensing covered wire to move.
Taking the example that one end of the spring is fixed at the sixth detection position f and the other end is fixed on the temperature sensing covered wire, when the stepping motor rotates anticlockwise, the temperature sensing covered wire is recovered and returns to the first detection position a from the sixth detection position f, and then the spring is stretched along the wire slot. When the stepping motor rotates clockwise, the temperature sensing envelope is discharged and is drawn by the elastic force of the spring to move from the first detection position a to the sixth detection position f along the wire slot, so that the period is formed. The dwell time of each detection position can be controlled, and the specific dwell position can also be determined according to the step number and the turn number of the stepping motor, not necessarily the first detection position a to the sixth detection position f, and in principle any position. In addition, the rotating speed of the driving motor is slow, so that the spring can be prevented from rebounding too fast to generate abnormal noise.
The path slot 2 is annular, and the driving mechanism 3 is located at the connection between the first end of the path slot 2 and the second end of the path slot 2. I.e. the first and second ends are formed by dividing the path slot 2 by the drive means 3.
The shape of the path slot 2 is oval, round, snake-shaped or square, and it is only required to ensure that the temperature sensing mechanism 4 and the temperature sensing envelope can reliably move in the path slot 2.
As another alternative embodiment, when there are a plurality of sections (each section has a different set temperature) in the accommodating cavity 11, the number of the driving mechanisms 3 is at least two, and each driving mechanism 3 can drive at least one temperature sensing mechanism 4 to move. Each driving mechanism 3 and the corresponding temperature sensing mechanism 4 detect the temperature of the corresponding partition.
The control method of the refrigerator comprises the following steps:
step S1, acquiring the temperature of at least one detection position in the accommodating cavity 11;
and step S2, comparing all temperature values according to preset conditions and adjusting the air output of the air inlet according to the comparison result.
Step S2 further includes:
acquiring a temperature difference value Δ T1 between a first time interval and a same detection position, for example, detecting a temperature value when the temperature sensing mechanism 4 reaches the detection position for the first time, and then detecting another temperature value when the temperature sensing mechanism 4 reaches the detection position for the second time, where a difference between the two temperature values is Δ T1, and a time taken by the temperature sensing mechanism 4 between the first time reaching the detection position and the second time reaching the detection position is the first time interval;
if the delta T1 is smaller than the first set temperature difference value, which indicates that the temperature at the detection position is basically unchanged at the moment, the air output of the air outlet corresponding to the detection position is kept unchanged.
The air opening corresponding to the detection position is an air opening near the detection position, or an air opening capable of refrigerating the detection position.
Preferably, the first set temperature difference value ranges from 0.1 ℃ to 1.5 ℃.
After the obtaining of the temperature difference Δ T1 between the first time intervals of the same detection position, the method further includes:
if the Δ T1 is greater than or equal to the first set temperature difference value, it indicates that the temperature change at the detection position is too large at this time, and a heat source food material may be put in, and the air output of the air outlet corresponding to the detection position is increased to increase the cooling efficiency for the detection position and the vicinity thereof, thereby ensuring that the overall temperature fluctuation inside the accommodating chamber 11 is small.
In the acquiring of the temperature difference value Δ T1 at the first time interval of the same detection position, the method further includes:
acquiring a temperature value Ts1 at the first moment and a temperature value Ts2 at the second moment of the detected position, and calculating the difference between Ts1 and Ts2 to obtain a temperature difference value delta T1;
the first time and the second time are separated by a first time interval.
After the obtaining of the temperature difference Δ T1 between the first time intervals of the same detection position, the method further includes:
comparing Ts2 with a set temperature T0, wherein the set temperature T0 can be the required temperature of a user or the temperature prestored in the refrigerator;
if the difference value between Ts2 and T0 is smaller than the first preset value and the delta T1 is smaller than the first preset temperature difference value, the air output of the air port corresponding to the detection position is kept unchanged.
After the comparing Ts2 with the set temperature T0, the method further comprises the following steps:
and if the difference value of the Ts2 and the T0 is greater than or equal to a first preset value and/or the delta T1 is greater than or equal to a first set temperature difference value, increasing the air output of the air opening corresponding to the detection position.
Step S2 further includes:
determining at least two detection positions at the same height in the accommodating cavity 11, and respectively acquiring the temperature difference value of each detection position at a first time interval;
compare the difference in temperature value of two at least detection positions to increase the air output of the wind gap that the detection position that the difference in temperature value is big corresponds, guarantee finally that the temperature of same height is even in holding chamber 11.
Generally, the refrigerator is inside all to set up the shelf of a plurality of levels settings, detects same high temperature and can think as the temperature that detects on the same shelf, and the shelf generally has certain length, consequently sets up two at least detection position and guarantees the accuracy to the temperature detection on the same shelf.
At least two detection positions are determined at the same height in the accommodating cavity 11, and the temperature difference value of each detection position at the first time interval is respectively obtained, the method further comprises the following steps:
acquiring a temperature value Ts1 at a first moment and a temperature value Ts2 at a second moment of the same detection position, and calculating a difference value between Ts1 and Ts2 to obtain a temperature difference value delta T1 of the detection position;
the first time and the second time are separated by a first time interval.
In the obtaining of the temperature value Ts1 at the first time and the temperature value Ts2 at the second time of the same detected position, calculating a difference value between Ts1 and Ts2 to obtain the temperature difference value Δ T1 at the detected position, the method further includes:
comparing two adjacent temperature difference values of the same detection position;
if the difference between the previous temperature difference value and the next temperature difference value is larger than the second preset value, it is considered that the heat source food material is placed at the detection position between the two temperature difference values (in two first time intervals), and the next temperature difference value is taken as the temperature difference value delta T1 of the detection position. Therefore, the accuracy of comparison of the temperature difference values of at least two detection positions is ensured.
Preferably, two detection positions are provided at the same height of the housing 11, taking the second detection position b and the fifth detection position e as examples:
in a reciprocating cycle of the temperature sensing mechanism 4, the temperature difference Δ T2 of the second detection position b and the fifth detection position e Δ T5 can be respectively obtained, Δ T2 and Δ T5 are compared, if Δ T5 is larger, the air output of the air outlet corresponding to the fifth detection position e is increased, otherwise, if Δ T2 is larger, the air output of the air outlet corresponding to the second detection position b is increased.
Furthermore, in two reciprocating cycles of the temperature sensing mechanism 4, the temperature difference of the three second detection positions b can be obtained (the two reciprocating motions will pass through the second detection positions b four times, and the four temperature values can be calculated to obtain three temperature difference values), if the difference between the former temperature difference value and the latter temperature difference value in the two adjacent temperature difference values is a second preset value, it indicates that the temperature change at the second detection position b is large at this time, and in order to ensure the comparison accuracy of Δ T2 and Δ T5, the latter temperature difference value is taken as Δ T2 to be compared with Δ T5 again.
For example, the former temperature difference value may be a difference between the first detected temperature and the second detected temperature, and the latter temperature difference value may be a difference between the second detected temperature and the third detected temperature.
After the comparing two adjacent temperature difference values of the same detection position, the method further comprises:
if the former temperature difference value is smaller than the latter temperature difference value, the temperature difference value of the detection position is obtained again, and two adjacent temperature difference values of the same detection position are compared repeatedly. The accuracy of comparison of the temperature difference values of at least two detection positions is ensured.
Step S2 further includes:
determining at least two detection positions in the accommodating cavity 11, and respectively acquiring a temperature value of each detection position;
respectively comparing the temperature value of each detection position with a set temperature T0;
and if the temperature value of the detection position is greater than the set temperature T0, increasing the air output of the air outlet corresponding to the detection position.
After the comparing the temperature value of each detection position with the set temperature T0, the method further comprises:
and if the temperature value of the detection position is smaller than the preset temperature value, reducing the air output of the air port corresponding to the detection position.
For example:
when the preset temperature is 4 ℃, the temperature acquired by the first detection position a is 3 ℃, and when the third detection position c acquires the temperature is 6 ℃, the air outlet quantity of the air outlet corresponding to the third detection position c is increased to cool, and the air outlet quantity of the air outlet corresponding to the first detection position a is reduced, so that the temperature of each point in the accommodating cavity 11 tends to be uniform.
The first time interval has a value in the range of 60s to 240 s. Preferably 180 s.
A control method of the refrigerator as described above,
at least two detection positions are arranged on a preset path, and the temperature sensing mechanism 4 stays at each detection position for a first set time period. The detection precision of the temperature sensing mechanism 4 to the detection position is ensured.
The numerical range of the first set time period is 10s to 40 s. Preferably 30 s.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (24)

1. A refrigerator, characterized in that: the method comprises the following steps:
the device comprises a shell (1), wherein an accommodating cavity (11) is formed inside the shell (1);
the temperature sensing mechanism (4) is arranged in the accommodating cavity (11), and the temperature sensing mechanism (4) can move along a preset path in the accommodating cavity (11);
at least two air ports are arranged in the accommodating cavity (11), and the air ports can adjust the air output according to the detection result of the temperature sensing mechanism (4).
2. The refrigerator according to claim 1, wherein: the temperature sensing device is characterized in that a path groove (2) is further formed in the shell (1), and the temperature sensing mechanism (4) is arranged in the path groove (2) and can freely move in the path groove (2).
3. The refrigerator according to claim 2, wherein: the refrigerator further comprises a driving mechanism (3), a temperature sensing covered wire of the temperature sensing mechanism (4) is arranged in the path groove (2), and the driving mechanism (3) can drive the temperature sensing mechanism (4) to move by pulling the temperature sensing covered wire.
4. The refrigerator according to claim 3, wherein: the driving mechanism (3) comprises a motor, and the temperature sensing covered wire is wound on a rotating shaft of the motor.
5. The refrigerator according to claim 3, wherein: the refrigerator further comprises a resetting mechanism (5), the resetting mechanism (5) is arranged on the shell (1), the driving mechanism (3) can drive the temperature sensing mechanism (4) to move towards the second end of the path slot (2) along the first end of the path slot (2), and the resetting mechanism (5) can drive the temperature sensing mechanism (4) to move towards the first end of the path slot (2) along the second end of the path slot (2).
6. The refrigerator according to claim 5, wherein: the reset mechanism (5) comprises a spring, the spring is sleeved on the temperature sensing envelope wire, and along with the movement of the temperature sensing envelope wire, the spring is stretched or compressed.
7. The refrigerator according to claim 5, wherein: the path slot (2) is annular, and the driving mechanism (3) is arranged at the joint of the first end of the path slot (2) and the second end of the path slot (2).
8. The refrigerator according to claim 7, wherein: the shape of the path slot (2) is oval, round, snake-shaped or square.
9. The refrigerator according to claim 3, wherein: the number of the driving mechanisms (3) is at least two, and each driving mechanism (3) can drive at least one temperature sensing mechanism (4) to move.
10. A control method of a refrigerator of any one of claims 1 to 9, characterized in that: the method comprises the following steps:
s1, acquiring the temperature of at least one detection position in the accommodating cavity (11);
and step S2, comparing all temperature values according to preset conditions and adjusting the air output of the air inlet according to the comparison result.
11. The control method according to claim 10, characterized in that: step S2 further includes:
acquiring a temperature difference value delta T1 of the same detection position between first time intervals;
if the delta T1 is smaller than the first set temperature difference value, the air output of the air outlet corresponding to the detection position is kept unchanged.
12. The control method according to claim 11, characterized in that: after the obtaining of the temperature difference Δ T1 between the first time intervals of the same detection position, the method further includes:
and if the delta T1 is larger than or equal to the first set temperature difference value, increasing the air output of the air port corresponding to the detection position.
13. The control method according to claim 11, characterized in that: in the acquiring of the temperature difference value Δ T1 of the same detection position at the first time interval, the method further includes:
acquiring a temperature value Ts1 of the detection position at a first moment and a temperature value Ts2 of the detection position at a second moment, and calculating a difference value between Ts1 and Ts2 to obtain a temperature difference value delta T1;
the first time and the second time are separated by a first time interval.
14. The control method according to claim 13, characterized in that: after the obtaining of the temperature difference Δ T1 between the first time intervals of the same detection position, the method further includes:
comparing Ts2 with a set temperature T0;
if the difference value between Ts2 and T0 is smaller than the first preset value and the delta T1 is smaller than the first preset temperature difference value, the air output of the air port corresponding to the detection position is kept unchanged.
15. The control method according to claim 14, characterized in that: after the comparing Ts2 with the set temperature T0, the method further comprises the following steps:
and if the difference value of the Ts2 and the T0 is greater than or equal to a first preset value and/or the delta T1 is greater than or equal to a first set temperature difference value, increasing the air output of the air opening corresponding to the detection position.
16. The control method according to claim 10, characterized in that: step S2 further includes:
determining at least two detection positions at the same height in the accommodating cavity (11), and respectively acquiring the temperature difference value of each detection position at a first time interval;
and comparing the temperature difference values of the at least two detection positions, and increasing the air output of the air outlet corresponding to the detection position with the large temperature difference value.
17. The control method according to claim 16, characterized in that: at least two detection positions are determined at the same height in the accommodating cavity (11), and the temperature difference value of each detection position at the first time interval is respectively obtained, and the method further comprises the following steps:
acquiring a temperature value Ts1 at a first moment and a temperature value Ts2 at a second moment of the same detection position, and calculating a difference value between Ts1 and Ts2 to obtain a temperature difference value delta T1 of the detection position;
the first time and the second time are separated by a first time interval.
18. The control method according to claim 17, characterized in that: in the obtaining of the temperature value Ts1 at the first time and the temperature value Ts2 at the second time of the same detected position, calculating a difference value between Ts1 and Ts2 to obtain the temperature difference value Δ T1 at the detected position, the method further includes:
comparing two adjacent temperature difference values of the same detection position;
and if the difference value between the previous temperature difference value and the next temperature difference value is larger than a second preset value, taking the next temperature difference value as the temperature difference value delta T1 of the detection position.
19. The control method according to claim 18, characterized in that: after the comparing two adjacent temperature difference values of the same detection position, the method further comprises:
if the former temperature difference value is smaller than the latter temperature difference value, the temperature difference value of the detection position is obtained again, and two adjacent temperature difference values of the same detection position are compared repeatedly.
20. The control method according to claim 10, characterized in that: step S2 further includes:
determining at least two detection positions in the accommodating cavity (11), and respectively acquiring a temperature value of each detection position;
respectively comparing the temperature value of each detection position with a set temperature T0;
and if the temperature value of the detection position is greater than the set temperature T0, increasing the air output of the air outlet corresponding to the detection position.
21. The control method according to claim 20, characterized in that: after the comparing the temperature value of each detection position with the set temperature T0, the method further comprises:
and if the temperature value of the detection position is smaller than the preset temperature value, reducing the air output of the air port corresponding to the detection position.
22. The control method according to any one of claims 11 to 19, characterized in that: the first time interval has a value in the range of 60s to 240 s.
23. A control method of a refrigerator of any one of claims 1 to 9, characterized in that: the method comprises the following steps:
at least two detection positions are arranged on a preset path, and the temperature sensing mechanism (4) stays at each detection position for a first set time period.
24. The control method according to claim 23, characterized in that: the numerical range of the first set time period is 10s to 40 s.
CN202111583360.5A 2021-12-22 2021-12-22 Refrigerator and control method thereof Pending CN114234522A (en)

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CN105716350A (en) * 2016-03-15 2016-06-29 青岛海尔股份有限公司 Air cooling refrigerator and control method thereof
CN108224788A (en) * 2018-01-29 2018-06-29 珠海格力电器股份有限公司 Water tank, water heater and water temperature determine method
CN207945837U (en) * 2018-01-29 2018-10-09 珠海格力电器股份有限公司 Water tank, water heater
CN112393519A (en) * 2020-10-30 2021-02-23 Tcl家用电器(合肥)有限公司 Refrigerator, control method and system of refrigerator, and computer-readable storage medium
CN113418349A (en) * 2021-06-24 2021-09-21 珠海格力电器股份有限公司 Refrigerator and temperature control method, temperature control device and air door mechanism thereof
CN113803930A (en) * 2021-10-08 2021-12-17 珠海格力电器股份有限公司 Refrigerator and control method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105115239A (en) * 2015-06-26 2015-12-02 青岛海尔股份有限公司 Refrigerator and refrigerator compartment inner temperature sensing method
CN105716350A (en) * 2016-03-15 2016-06-29 青岛海尔股份有限公司 Air cooling refrigerator and control method thereof
CN108224788A (en) * 2018-01-29 2018-06-29 珠海格力电器股份有限公司 Water tank, water heater and water temperature determine method
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