Refrigerator damper reset method, system, refrigerator and related equipment

Abstract

The embodiments of the present application disclose a refrigerator damper reset method, system, refrigerator and related equipment, the method comprising: detecting the pressure on the pressure sensor when the damper reset waiting time meets a preset condition; judging the state of the damper according to the pressure, the state of the damper including an open state and a closed state, the closed state being the state when the door body and the door frame are closed, and the open state being the state when the door body and the door frame are not closed; when the damper is in the open state, controlling the door body and the door frame to move relative to each other to reset the damper, and clearing the reset waiting time when the reset is completed; when the damper is in the closed state, clearing the reset waiting time. The technical solution of the present application senses the state of the damper through the pressure sensor when resetting the damper. If the damper is in the closed state, the current reset is skipped. If the damper is in the open state, the damper is controlled to reset, thereby reducing the noise problem of damper reset.

Description

Technical Field

[0001] The present application relates to the technical field of household appliances, and in particular to a refrigerator damper resetting method, a refrigerator damper resetting system, a refrigerator, an electronic device, and a computer-readable storage medium. Background Art

[0002] With people's ever-increasing pursuit of a high-quality lifestyle, low-noise, stable operation has become a fundamental requirement for refrigerators and a key factor in measuring refrigerator quality. The stability of the sound signal during refrigerator operation is also a decisive factor in user perception of sound. Sudden changes and glitches in the sound signal during operation, as part of the jitter and roughness evaluation of basic sound quality parameters, significantly impact the user's experience of the refrigerator. Furthermore, the non-steady-state noise of damper operation is one of the causes of these sudden changes and glitches.

[0003] As the core component of temperature zone control, the damper is controlled by a stepper motor and transmission mechanism to open and close the damper door body, so as to control the convection of cold air in each room and achieve a cooling effect. The meshing noise of the motor and transmission mechanism gears during operation has always been the main noise issue that users are concerned about. In addition, the damper is installed in the resonance cavity of the air duct, and even small noises will be amplified, causing user complaints.

[0004] The refrigerator's main control panel controls the damper's position based on its initial position. To ensure the accuracy of the damper's initial position, the damper is periodically reset. Therefore, reducing the noise during the damper reset process has become an urgent problem.

[0005] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of this application, and therefore may include information that does not constitute prior art known to ordinary technicians in this field. Summary of the Invention

[0006] Embodiments of the present application provide a refrigerator damper resetting method, system, refrigerator, electronic device, and computer-readable storage medium to reduce noise during damper resetting.

[0007] Among them, the technical solution adopted in this application is:

[0008] A method for resetting a refrigerator damper, the damper comprising a door body, a door frame and a pressure sensor, the pressure sensor being used to detect the pressure generated when the door body contacts the edge of the door frame, the method comprising: detecting the pressure exerted on the pressure sensor when the damper's reset waiting time satisfies a preset condition; judging the damper's state based on the pressure, the damper's state comprising an open state and a closed state, the closed state being a state when the door body and the door frame are closed, and the open state being a state when the door body and the door frame are not closed; when the damper is in an open state, controlling the door body and the door frame to move relative to each other to reset the damper, and clearing the reset waiting time to zero when the reset is completed; and clearing the reset waiting time to zero when the damper is in a closed state.

[0009] In some embodiments of the present application, based on the aforementioned scheme, the state of the damper is judged according to the pressure, including: if the pressure is greater than or equal to a first threshold, determining that the damper is in a closed state; if the pressure is less than the first threshold, determining that the damper is in an open state.

[0010] In some embodiments of the present application, based on the aforementioned scheme, the door body and the door frame are controlled to move relative to each other to reset the damper, including: controlling the door body to move in the closing direction until the pressure is greater than or equal to a first threshold value; when the pressure is greater than or equal to the first threshold value, controlling the door body to move in the opening direction for a first preset number of steps to reach the extreme position; after the damper is opened to the extreme position, controlling the door body to move in the closing direction; during the movement of the door body in the closing direction, if it is detected that the pressure of the pressure sensor is greater than or equal to a second threshold value, the movement of the door body is terminated, and the second threshold value is greater than the first threshold value.

[0011] In some embodiments of the present application, based on the aforementioned scheme, the door body and the door frame are controlled to move relative to each other to reset the damper, including: controlling the door body to move in the closing direction until the pressure is greater than or equal to a first threshold value; when the pressure is greater than or equal to the first threshold value, controlling the door body to move in the opening direction for a first preset number of steps to reach the extreme position; when the damper is opened to the extreme position, controlling the door body to move in the closing direction; if the time for the door body to move in the closing direction exceeds the preset time, controlling the movement of the door body to terminate.

[0012] In some embodiments of the present application, based on the aforementioned scheme, the door body and the door frame are controlled to move relative to each other to reset the damper, including: controlling the door body to move in the closing direction until the pressure is greater than or equal to a first threshold value; when the pressure is greater than or equal to the first threshold value, controlling the door body to move in the opening direction for a first preset number of steps to reach the extreme position; after the damper is opened to the extreme position, controlling the door body to move in the closing direction; if the number of steps the door body moves in the closing direction exceeds a second preset number of steps, then controlling the termination of the movement of the door body, and the second preset number of steps is greater than the first preset number of steps.

[0013] A refrigerator damper reset system includes: a damper, including a door body, a door frame, and a pressure sensor for detecting the pressure generated when the door body contacts the edge of the door frame; a driving component connecting the door body and the door frame, and used to drive the door body and the door frame to move relative to each other; a control element, electrically connected to the driving component and the pressure sensor, and used to execute the refrigerator damper reset method as described above to control the damper to perform reset movement.

[0014] In some embodiments of the present application, based on the above-mentioned refrigerator damper reset system, the driving component includes a stepper motor and a control element for controlling the direction and number of steps of the stepper motor to drive the damper to complete the reset movement.

[0015] A refrigerator comprises the above-mentioned refrigerator damper reset system.

[0016] A refrigerator damper resetting device comprises a processor, a memory and a computer program stored in the memory and capable of running on the processor. When the processor executes the computer program, the refrigerator damper resetting method is realized.

[0017] A computer-readable storage medium stores a computer program, which, when executed by a processor of a computer, causes the computer to execute the refrigerator damper resetting method as described above.

[0018] The technical solutions provided by the application embodiments may have the following beneficial effects:

[0019] The technical solution of the embodiment of the present application senses the state of the damper through a pressure sensor when the damper is reset. If the damper is in a closed state, the reset is skipped. If the damper is in an open state, the damper is controlled to reset, thereby reducing the noise problem of damper reset.

[0020] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are incorporated into and constitute a part of the specification, illustrating embodiments consistent with the present application and, together with the specification, serving to explain the principles of the present application. It is obvious that the drawings described below are merely some embodiments of the present application, and a person of ordinary skill in the art can derive other drawings based on these drawings without inventive effort. In the drawings:

[0022] Figure 1 This is a schematic diagram of the steps of a refrigerator damper reset method provided by an embodiment of the present application;

[0023] Figure 2 yes Figure 1A schematic diagram of an embodiment of controlling the relative movement of the door body in step S103;

[0024] Figure 3 is a flow chart illustrating a method for resetting a refrigerator damper according to some exemplary embodiments of the present application;

[0025] Figure 4 A schematic diagram of the architecture of a refrigerator damper reset system provided in an embodiment of the present application. DETAILED DESCRIPTION

[0026] Exemplary embodiments will now be described in detail, with examples illustrated in the accompanying drawings. When the following description refers to the drawings, identical numerals in different figures represent identical or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all possible implementations consistent with the present application. Rather, they are merely examples of the systems and methods of the present application, as detailed in the appended claims.

[0027] In addition, described feature, structure or characteristic can be combined in one or more embodiments in any suitable manner.In the following description, many specific details are provided so as to provide a full understanding of the embodiments of the present application. However, it will be appreciated by those skilled in the art that the technical scheme of the present application can be put into practice without one or more of the specific details, or other methods, components, devices, steps etc. can be adopted. In other cases, known methods, devices, implementations or operations are not shown or described in detail to avoid blurring the various aspects of the application.

[0028] The block diagrams shown in the accompanying drawings are merely functional entities and do not necessarily correspond to physically separate entities. That is, these functional entities may be implemented in software, in one or more hardware modules or integrated circuits, or in different networks and / or processor devices and / or microcontroller devices.

[0029] The flowcharts shown in the accompanying drawings are for illustrative purposes only and do not necessarily include all contents and operations / steps, nor must they be executed in the order described. For example, some operations / steps may be decomposed, while others may be combined or partially combined. Therefore, the actual execution order may vary depending on the actual situation.

[0030] The damper includes a door body, a door frame, and a pressure sensor, which is used to detect the pressure generated when the door body contacts the edge of the door frame. The pressure sensor can be set on the door body or on the door frame.

[0031] When the door and doorframe close, the door generates pressure on the pressure sensor. The control unit determines the damper's status based on the pressure value detected by the pressure sensor. This allows the damper to be determined to be closed by monitoring the pressure feedback from the pressure sensor. If it is closed, the reset is skipped. Of course, the pressure sensor can be placed anywhere where the door and doorframe come into contact when closed, as long as it can accurately detect the pressure when the door and doorframe are closed.

[0032] Because the refrigerator's control unit can't sense the specific position of the damper, it resets the damper periodically. This reset involves the control unit controlling the driver, which then drives the door closed. Once the damper is closed, the control unit uses the closed position of the door and door frame as a reference point to control the door's opening or closing, thereby providing cooling for the refrigerator.

[0033] It should be noted that since the mechanical structure of the damper has a structural limit position, when each reset signal drives the damper to reach the mechanical structure limit, if there are extra steps that have not been completed, the excess driving force of the motor will conflict with the structural mechanical limit, causing the damper to jam and bring abnormal noise. The noise will not disappear until the motor has completed all the reset signals.

[0034] Based on the above description, Figure 1 The present invention provides a schematic diagram of the steps of a refrigerator damper reset method, which is used to reduce the noise problem during the refrigerator damper reset process. This step can be performed by the refrigerator control element.

[0035] The method at least includes the following steps S101 to S104.

[0036] Step S101 : When the damper reset waiting time satisfies a preset condition, the pressure applied to the pressure sensor is detected.

[0037] In this application, the reset waiting time refers to the time interval from the last time the damper was reset. For example, the preset time is set to 1 hour. When the reset waiting time of the damper reaches 1 hour, the damper is controlled to start resetting by sending a drive control instruction to the drive component.

[0038] When the damper begins to reset, the pressure applied to the pressure sensor is detected. This pressure sensor is used to detect the pressure generated when the door body contacts the edge of the door frame. This pressure can be used to determine the contact state between the door body and the door frame. A pressure sensor is a device or apparatus that can sense pressure signals and convert them into a usable output electrical signal according to a certain pattern.

[0039] The pressure sensor can be any one or a combination of a capacitive flexible pressure sensor, a resistive flexible pressure sensor, a piezoelectric flexible pressure sensor, and a thin film micro pressure sensor. The type and number of the pressure sensors can be arbitrarily set by technicians according to actual conditions.

[0040] Step S102, judging the state of the damper according to the pressure, the state of the damper includes an open state and a closed state, the closed state is the state when the door body and the door frame are closed, and the open state is the state when the door body and the door frame are not closed.

[0041] As mentioned above, the pressure sensor is used to detect the pressure generated when the door body contacts the edge of the door frame. Therefore, the contact state between the door body and the door frame can be determined based on the magnitude of the pressure.

[0042] In one embodiment, a first threshold value may be set to represent the pressure applied to the pressure sensor when the door body and door frame are sealed. The state of the damper may be determined based on the relationship between the pressure applied to the pressure sensor detected in step S101 and the first threshold value. Specifically, if the pressure is greater than or equal to the first threshold value, the damper is determined to be closed; if the pressure is less than the first threshold value, the damper is determined to be open.

[0043] Step S103: When the damper is in the open state, the door body and the door frame are controlled to move relative to each other to reset the damper, and the reset waiting time is reset to zero when the reset is completed.

[0044] Relative motion includes both opposite and opposite motion. This relative motion is a pre-set movement of the door body during damper reset. When the driver completes the preset relative motion, the reset is complete. Upon completion of the reset, the reset wait time is reset to zero and the reset wait time is recalculated.

[0045] In an optional embodiment, controlling the door body and the door frame to move relative to each other to reset the damper may specifically include the following steps: step S201 to step S204.

[0046] Step S201, controlling the door to move in a closing direction until the pressure is greater than or equal to a first threshold;

[0047] Step S202: When the pressure is greater than or equal to a first threshold, the door is controlled to move a first preset number of steps in the opening direction to reach a limit position;

[0048] Step S203, when the damper is opened to the limit position, the door body is controlled to move in the closing direction;

[0049] Step S204: If it is detected that the pressure of the pressure sensor is greater than or equal to a second threshold, the movement of the door body is stopped, and the second threshold is greater than the first threshold.

[0050] Specifically, step S201 is the first stage, which is the closing process of the door body. The door body is driven by the driving component to move in the closing direction. When the damper is open, the pressure on the pressure sensor is zero. When the door body contacts the door frame, the pressure feedback from the pressure sensor is no longer zero. As the driving component drives the door body to continue closing, the pressure feedback from the pressure sensor continues to rise. When the pressure is greater than or equal to the first threshold, it is confirmed that the door body and the door frame are sealed. This is the first closing process, and this process will not generate noise caused by overdriving.

[0051] Step S202 is the second stage, which involves the door opening process. After confirming that the door and doorframe are sealed closed, the control element controls the drive component to drive the door open. At this point, a predetermined number of movement steps can be set. This predetermined number of movement steps, also known as a first preset number of steps, can be set as the number of steps required for the damper to move from sealed closure to full opening. After the door moves this first preset number of steps in the opening direction, it reaches the fully open position. This ensures that the damper's opening performance is verified while avoiding noise generated by the conflict between the damper's structural limits and excess driving force.

[0052] Steps S203 to S204 constitute the third stage, which is the process of reclosing the door. During the door closing process, the stopping condition can be set to terminate the movement of the door if the pressure sensor detects a pressure greater than or equal to a second threshold, where the second threshold is greater than the first threshold. As previously mentioned, the first threshold can be set to the pressure applied to the pressure sensor when the door and door frame are closed. The second threshold can then be set to the pressure applied to the pressure sensor when the door and door frame ensure the airtightness of the damper without generating noticeable noise. The second threshold being greater than the first threshold ensures that the refrigeration compartment does not leak cold air or lose temperature control when the damper is closed.

[0053] In another optional embodiment, in the third stage mentioned above, the stopping condition of the door body can also be set to: controlling the door body to move to a second preset number of steps and then stop closing, and the second preset number of steps is greater than the first preset number of steps.

[0054] As mentioned above, the first preset number of steps is the number of steps required for the damper door body to move from closed to open to the extreme position. The second preset number of steps is greater than the first preset number of steps. For example, the second preset number of steps is 50 or 100 steps greater than the first preset number of steps. Schematically, if the number of steps required to open and close the damper for a full stroke is 1750 steps, the damper is in a fully open position at this time, and the control element provides a closing signal of 1850 steps to the damper, controlling the damper to move 1850 steps in the closing direction. When the damper moves 1750 steps, the extra 100 steps improve the reliability of the closure of the door body and the door frame, and no obvious abnormal noise is generated. Therefore, even in special circumstances such as the damper being frozen or the pressure sensor failing, no obvious abnormal noise is generated, and the damper can still be closed normally, and no obvious abnormal noise is generated, thereby ensuring the reliability of the damper reset process.

[0055] In another optional embodiment, the stop condition of the door body in the third stage mentioned above may also include: if the time for the door body to move in the closing direction exceeds a preset time, the movement of the door body is controlled to be terminated. After the door body is opened to the extreme position, the driving component is controlled to drive the door body to close. A preset time can be pre-set based on the movement speed of the damper and the distance moved from open to closed. The preset time can be set to the sum of the time for the damper to be fully closed and the redundant time. In this way, the door body can be closed even in abnormal situations such as the damper being frozen or the pressure sensor failing. Schematically, the preset time can be determined based on the time required for the door body to move from a fully open position to a fully closed position. Specifically, if it takes 6 seconds for the damper to move from a fully open position to a fully closed position, the preset time can be set to 8 seconds.

[0056] Step S104: when the damper is in the closed state, the reset waiting time is reset to zero.

[0057] Specifically, when it is determined that the state of the damper is closed, this reset is skipped and the reset waiting time is cleared.

[0058] Therefore, by skipping the reset when it is detected that the door body and the door frame are in the closed state, the technical problem of reducing the damper reset noise is achieved.

[0059] See also Figure 3 , Figure 3 The flowchart of a refrigerator damper reset method according to some exemplary embodiments of the present application is shown. The refrigerator damper reset method includes the following steps.

[0060] Step S301: The damper reset waiting time satisfies a preset condition, and the damper reset program is started.

[0061] Step S302, detecting the pressure of the pressure sensor, when the pressure is greater than or equal to a first threshold, executing step S303, when the pressure is less than the first threshold, executing step S304.

[0062] Step S303: This reset is completed and the reset waiting time is cleared.

[0063] Step S304: Control the door to move in the closing direction.

[0064] Step S305 , detecting the pressure applied to the pressure sensor. If the pressure is less than the first threshold, proceed to step S304 . If the pressure is greater than or equal to the first threshold, proceed to step S306 .

[0065] Step S306: Control the door body to move a first preset number of steps in the opening direction to reach the limit position.

[0066] Step S307: controlling the door to move in the closing direction.

[0067] Step S308, determine whether to stop closing, if it is determined to stop, execute step S309, if it is determined not to stop, continue to execute step S307.

[0068] Step S309: Reset is completed and the reset waiting time is cleared.

[0069] The judgment conditions of step S308 may include the following three:

[0070] Judgment condition one:

[0071] During the movement of the door body in the closing direction, if it is detected that the pressure of the pressure sensor is greater than or equal to a second threshold, the movement of the door body is stopped, and the second threshold is greater than the first threshold.

[0072] Judgment condition 2:

[0073] If the time for the door body to move in the closing direction exceeds a preset time, the control stops the movement of the door body.

[0074] Judgment condition three:

[0075] If the number of steps that the door body moves in the closing direction exceeds a second preset number of steps, the movement of the door body is controlled to be terminated, and the second preset number of steps is greater than the first preset number of steps.

[0076] The specific implementation of the above process has been described in the above embodiments and will not be repeated here.

[0077] Figure 4 FIG. 4 is a schematic diagram of a refrigerator damper reset system 400 according to an exemplary embodiment. Figure 4 As shown, the present application provides a refrigerator damper resetting system, which includes: a damper 410, a driving component 420 and a control element 430.

[0078] Among them, the damper 410 includes a door body and a door frame and a pressure sensor for detecting the pressure generated when the door body contacts the edge of the door frame, a driving component 420, connecting the door body and the door frame, and driving the door body and the door frame to move relative to each other, and a control element 430, electrically connected to the driving component 420 and the pressure sensor, for implementing any of the refrigerator damper reset methods described above, so as to control the driving component 420 to drive the damper to reset.

[0079] Based on the above refrigerator damper reset system, the driving component can be a stepper motor, and the control element can be a main control board. When the stepper motor receives a driving signal, the stepper motor will rotate a set angle in the direction set by the driving signal.

[0080] Of course, the present application can also be applied to a method in which the door body and door frame are opened and closed by linear movement. The driving component is a telescopic cylinder, which can also achieve the purpose of the present application. No further details will be given here.

[0081] In another exemplary embodiment, the present application also provides a refrigerator, which is characterized in that the refrigerator includes Figure 4 The refrigerator damper reset system shown in FIG. will not be described in detail here.

[0082] In another exemplary embodiment, the present application also provides an electronic device, including a processor and a memory, wherein the memory stores computer-readable instructions, which, when executed by the processor, implement the refrigerator damper resetting method as described above.

[0083] In addition, the present application can also be implemented through hardware circuits or hardware circuits combined with software instructions. Therefore, the implementation of the present application is not limited to any specific hardware circuits, software, or a combination of the two.

[0084] In another exemplary embodiment, the present application further provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the refrigerator damper reset method described above. The computer-readable storage medium may be included in the refrigerator damper reset device described in the above embodiment, or may exist independently and not be incorporated into the refrigerator damper reset electronic device.

[0085] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0086] Throughout this specification, the term "one embodiment" or the like indicates that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims

1. A refrigerator damper reset method, characterized in that: The damper includes a door body, a door frame, and a pressure sensor, wherein the pressure sensor is used to detect the pressure generated when the door body contacts the edge of the door frame. The method includes: When the reset waiting time of the damper satisfies a preset condition, the pressure on the pressure sensor is detected, wherein the reset waiting time is the time interval from the last time the damper is reset; Determining a state of the damper according to the pressure, where the state of the damper includes an open state and a closed state, wherein if the pressure is greater than or equal to a first threshold, the damper is determined to be in a closed state, and if the pressure is less than the first threshold, the damper is determined to be in an open state; When the damper is in an open state, the door body and the door frame are controlled to move relative to each other to reset the damper, and the reset waiting time is reset to zero when the reset is completed; When the damper is in a closed state, the reset waiting time is reset to zero; Wherein, controlling the door body and the door frame to perform relative movement to reset the damper includes: controlling the door body to move in a closing direction until the pressure is greater than or equal to the first threshold; When the pressure is greater than or equal to the first threshold, the door body is controlled to move a first preset number of steps in the opening direction to reach a limit position; When the damper is opened to the limit position, the door body is controlled to move in the closing direction; During the movement of the door body in the closing direction, if it is detected that the pressure of the pressure sensor is greater than or equal to a second threshold, the movement of the door body is terminated, and the second threshold is greater than the first threshold.

2. A refrigerator damper reset method, characterized in that: The damper includes a door body, a door frame, and a pressure sensor, wherein the pressure sensor is used to detect the pressure generated when the door body contacts the edge of the door frame. The method includes: When the reset waiting time of the damper satisfies a preset condition, the pressure on the pressure sensor is detected, wherein the reset waiting time is the time interval from the last time the damper is reset; Determining a state of the damper according to the pressure, where the state of the damper includes an open state and a closed state, wherein if the pressure is greater than or equal to a first threshold, the damper is determined to be in a closed state, and if the pressure is less than the first threshold, the damper is determined to be in an open state; When the damper is in an open state, the door body and the door frame are controlled to move relative to each other to reset the damper, and the reset waiting time is reset to zero when the reset is completed; When the damper is in a closed state, the reset waiting time is reset to zero; Wherein, controlling the door body and the door frame to perform relative movement to reset the damper includes: controlling the door body to move in a closing direction until the pressure is greater than or equal to the first threshold; When the pressure is greater than or equal to the first threshold, the door body is controlled to move a first preset number of steps in the opening direction to reach a limit position; When the damper is opened to the limit position, the door body is controlled to move in the closing direction; If the time for the door body to move in the closing direction exceeds a preset time, the control stops the movement of the door body.

3. A refrigerator damper reset method, characterized in that: The damper includes a door body, a door frame, and a pressure sensor, wherein the pressure sensor is used to detect the pressure generated when the door body contacts the edge of the door frame. The method includes: When the reset waiting time of the damper satisfies a preset condition, the pressure on the pressure sensor is detected, wherein the reset waiting time is the time interval from the last time the damper is reset; Determining a state of the damper according to the pressure, where the state of the damper includes an open state and a closed state, wherein if the pressure is greater than or equal to a first threshold, the damper is determined to be in a closed state, and if the pressure is less than the first threshold, the damper is determined to be in an open state; When the damper is in an open state, the door body and the door frame are controlled to move relative to each other to reset the damper, and the reset waiting time is reset to zero when the reset is completed; When the damper is in a closed state, the reset waiting time is reset to zero; Wherein, controlling the door body and the door frame to perform relative movement to reset the damper includes: controlling the door body to move in a closing direction until the pressure is greater than or equal to the first threshold; When the pressure is greater than or equal to the first threshold, the door body is controlled to move a first preset number of steps in the opening direction to reach a limit position; When the damper is opened to the limit position, the door body is controlled to move in the closing direction; If the number of steps that the door body moves in the closing direction exceeds a second preset number of steps, the movement of the door body is terminated by control, and the second preset number of steps is greater than the first preset number of steps.

4. A refrigerator damper reset system, characterized in that: include: A damper comprising a door body, a door frame, and a pressure sensor for detecting pressure generated when the door body contacts an edge of the door frame; a driving component, connecting the door body and the door frame, and used to drive the door body and the door frame to move relative to each other; A control element is electrically connected to the driving component and the pressure sensor, and is used to execute any one of the refrigerator damper resetting methods according to claims 1 to 3 to control the damper to perform a resetting movement.

5. The refrigerator damper reset system according to claim 4, characterized in that: The driving component includes a stepping motor, and the control element is used to control the direction and number of steps of the stepping motor to drive the damper to complete the reset movement.

6. A refrigerator, characterized in that: The refrigerator damper resetting system includes the refrigerator damper resetting system according to claim 4 or 5.

7. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein: When the processor executes the program, the steps of the refrigerator damper resetting method according to any one of claims 1 to 3 are implemented.

8. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the refrigerator damper resetting method according to any one of claims 1 to 3 are implemented.

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