Control method of refrigeration equipment, air door control device applying control method and refrigerator

Abstract

The invention discloses a control method of refrigeration equipment, an air door control device applying the control method and a refrigerator. The control method of the refrigeration equipment comprises the steps that the unfolding angle of the air door assembly is obtained through the optical detection assembly; and comparing the unfolding angle with a preset air door angle to obtain an angle error between the unfolding angle and the preset air door angle. And when the angle error is smaller than or equal to the preset angle error, a refrigeration instruction for enabling a refrigeration assembly in the refrigeration equipment to conduct refrigeration is output. And when the angle error is larger than the preset angle error, the air door assembly is corrected according to the preset air door angle, so that the angle error is smaller than or equal to the preset angle error, and a refrigeration instruction is output. According to the control method of the refrigeration equipment, the number of resetting times of the air door assembly can be reduced, accurate implementation of the driving signal can be achieved without resetting each time, electric quantity loss is reduced, and the service life of the air door assembly is guaranteed. Meanwhile, the driving error of the air door assembly can be detected and corrected in time, and the refrigeration quality is guaranteed.

Description

Technical Field

[0001] This application relates to the field of damper control, and more particularly to a control method for refrigeration equipment, a damper control device using the same, and a refrigerator. Background Technology

[0002] The opening of the refrigerator damper is usually achieved by inputting a program into the motor to drive the damper to open to the corresponding angle.

[0003] Generally, the following problems may occur when using a refrigerator damper: First, during the opening and closing process, the opening angle may differ from the preset opening angle due to its own opening malfunction or other obstructions, thus affecting cooling efficiency. Second, when the refrigerator is forced to shut off due to excessive icing, the damper stops at a certain angle. When the damper needs to be reopened, the opening angle is unknown, so it needs to be reset before each use and opened again by receiving the drive signal to ensure the opening angle is correct.

[0004] While the reset solution for the second usage scenario in the aforementioned related technologies can resolve the correlation between the refrigerator damper opening angle and the drive signal, it increases the number of damper assembly resets and makes it difficult to control the accuracy of the damper assembly's opening angle. This increases power consumption and the risk of impact damage due to the increased number of damper assembly resets, which is detrimental to rapid cooling. Furthermore, it is difficult to guarantee that the final actual opening angle of the refrigerator damper matches the preset opening angle, which is also detrimental to ensuring cooling performance. Summary of the Invention

[0005] This application provides a control method for a refrigeration device, a damper control device using the same, and a refrigerator. The control method for the refrigeration device in this application helps reduce the number of times the damper assembly needs to be reset, eliminating the need for repeated resets to achieve accurate drive signal execution, thus reducing power consumption and ensuring the lifespan of the damper assembly. Simultaneously, it can detect and promptly correct drive errors in the damper assembly, ensuring the quality of refrigeration.

[0006] The technical solution is as follows:

[0007] According to a first aspect of the embodiments of this application, a control method for a refrigeration device is provided, applied to a refrigeration device equipped with an optical detection component, the optical detection component being mounted to the housing assembly of the refrigeration device. The optical detection component is used to detect the deployment angle of the damper assembly of the refrigeration device. The method includes:

[0008] The deployment angle of the damper assembly is obtained through an optical detection component.

[0009] The angular error between the unfolding angle and the preset damper angle is obtained by comparing the unfolding angle with the preset damper angle.

[0010] When the angle error is less than or equal to the preset angle error, a cooling command is output to make the cooling components in the refrigeration equipment perform cooling.

[0011] When the angle error is greater than the preset angle error, the damper assembly is corrected according to the preset damper angle so that the angle error is less than or equal to the preset angle error and a cooling command is output.

[0012] The technical solutions provided by the embodiments of this application may include the following beneficial effects:

[0013] The above control method eliminates the need for prior reset of the damper assembly in case of power outages, allowing for the output of drive commands. Instead, it detects the damper assembly's unfolding angle and compares it with a preset angle for correction, thereby improving the damper assembly's unfolding efficiency and reducing unnecessary resets. This avoids impact damage to the damper assembly caused by resets and reduces control output, thus minimizing power consumption. Furthermore, by measuring the actual unfolding angle of the damper assembly and comparing it with the preset angle, unfolding errors can be detected and corrected promptly, ensuring optimal cooling performance.

[0014] The technical solution will be further explained below:

[0015] In one embodiment, the optical detection component acquires the deployment angle of the damper assembly, including:

[0016] The deployment distance of the damper assembly is obtained through an optical detection component, and the deployment angle is calculated using the damper length and deployment distance of the damper assembly.

[0017] In one embodiment, when the angle error is greater than a preset angle error, the damper assembly is corrected according to the preset damper angle, and the assembly further includes:

[0018] The unfolding angle includes the initial unfolding angle and the corrected unfolding angle.

[0019] The angle error is obtained by comparing the initial deployment angle with the preset angle error. When the angle error is greater than the preset angle error, the damper assembly is corrected according to the preset damper angle so that the damper assembly is corrected from the initial deployment angle to the corrected deployment angle.

[0020] During the first time period, the correction deployment angle of the damper assembly is acquired through an optical detection component, and the correction angle error between the correction deployment angle and the preset angle error is calculated. When the correction angle error is within the preset correction range, a cooling command is output to cause the cooling component in the cooling equipment to perform cooling. Otherwise, the damper assembly is closed.

[0021] In one embodiment, when the correction angle error is within a preset correction range, a cooling command is output to cause the cooling components in the cooling device to perform cooling. Conversely, if the error is outside the preset range, the damper assembly is closed. The system also includes:

[0022] At least two damper assemblies include a first damper assembly and a second damper assembly. If the correction angle error of the first damper assembly is outside the preset correction range, then the first damper assembly is closed. If the angle error or correction angle error of the second damper assembly is within the preset angle error range, then:

[0023] Input the first correction instruction information to the second damper assembly so that the damper opening angle of the second damper assembly is greater than the preset damper angle.

[0024] And / or, input a second correction instruction to the refrigeration component so that the cooling capacity of the corrected refrigeration component is greater than the cooling capacity of the refrigeration component in the execution refrigeration instruction.

[0025] In one embodiment, the deployment angle of the damper assembly is obtained through an optical detection component. The deployment angle is compared with a preset damper angle to obtain the angular error between the deployment angle and the preset damper angle, and the method further includes:

[0026] When the angle error exceeds the preset angle error, the detection position of the optical detection component is adjusted, and the unfolding angle of the damper component at the detection position is obtained again. The adjusted angle error is obtained by comparing the adjusted unfolding angle with the preset damper angle.

[0027] In one embodiment, the control method for the refrigeration equipment further includes:

[0028] The system detects the power-on drive signal of the damper assembly. If the reception time of the power-on drive signal exceeds a preset time, the deployment angle is obtained through the optical detection component. Otherwise, the damper assembly is stopped from being driven.

[0029] In one embodiment, the deployment angle of the damper assembly is obtained through an optical detection component. Comparing the deployment angle with a preset damper angle further includes:

[0030] Input preset commands to the damper assembly. The preset commands include a first command that positions the damper assembly at a first angle and a second command that positions the damper assembly at a second angle.

[0031] The deployment angle of the damper assembly is obtained using an optical detection component. The deployment angle is then compared with a preset damper angle.

[0032] When the angle error is greater than the preset angle error, the output of the damper component is switched from the first command to the second command, or from the second command to the first command, so that the angle error information is within the preset angle error.

[0033] Conversely, it will maintain the output of either the first or second instruction. Note that the first angle is not equal to the second angle.

[0034] In one embodiment, the control method for the refrigeration equipment further includes:

[0035] The preset damper angle includes the original angle drive command and the correction angle drive command.

[0036] During the second time period, the number of times the angle error of the damper assembly exceeded the preset angle error was obtained.

[0037] When the error count is 0, the damper assembly is driven according to the original angle drive command.

[0038] If the number of errors does not exceed two, the original angle drive command will be corrected to the corrected angle drive command based on the angle error.

[0039] When the number of errors exceeds two, a correction angle drive model is established based on at least two of the original angle drive commands, at least two correction angle drive commands, and at least two angle errors, and the correction angle drive model is stored in a preset command library. The damper assembly is then driven according to the correction angle drive model.

[0040] In one embodiment, at least one of the damper opening / closing state and damper opening angle information differs between the original angle drive command and the corrected angle drive command.

[0041] In one embodiment, the control method for the refrigeration equipment further includes:

[0042] The system acquires the cooling temperature inside the cooling chamber. When the cooling temperature exceeds the preset temperature, the damper assembly and the cooling assembly are shut off. Conversely, when the temperature falls below the preset temperature, the damper assembly and the cooling assembly continue to operate.

[0043] According to a second aspect of the embodiments of this application, a damper control device for applying a control method for refrigeration equipment is provided, comprising: a damper assembly, an optical detection assembly, and a control module. Wherein,

[0044] The optical detection component is used to obtain the deployment angle of the damper assembly.

[0045] The control module is communicatively connected to the refrigeration components, damper components, and optical detection components of the refrigeration equipment. The control module includes a memory and a computer program. The memory stores refrigeration commands and preset damper angles. The computer program executes the control method for the refrigeration equipment described in the above embodiments.

[0046] The technical solutions provided by the embodiments of this application may include the following beneficial effects:

[0047] By executing the control method of the refrigeration equipment in the above embodiments through a computer program, unnecessary damper assembly resets can be avoided, reducing the risk of damage from reset impacts, improving control efficiency, and reducing power consumption. Simultaneously, errors in the damper assembly can be corrected promptly, ensuring the cooling effect.

[0048] According to a third aspect of the embodiments of this application, a refrigerator is provided, including a cabinet assembly and a damper control device as described in the above embodiments, wherein the damper control device is installed inside the cabinet assembly.

[0049] The technical solutions provided by the embodiments of this application may include the following beneficial effects:

[0050] The damper control device in the above embodiments facilitates rapid cooling of the refrigerator, resulting in excellent cooling performance. It also promotes energy conservation and environmental protection, thereby enhancing the refrigerator's competitiveness.

[0051] The technical solution will be further explained below:

[0052] In one embodiment, the housing assembly is provided with a slide rail disposed along at least one of the length, width, and height directions of the housing assembly. The slide rail is slidably engaged with the optical detection assembly, so that the distance between the optical detection assembly and the damper assembly is adjustable, thereby adjusting the detection orientation of the optical detection assembly relative to the damper assembly.

[0053] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application. Attached Figure Description

[0054] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0055] Figure 1 This is a schematic diagram of the structure of a refrigerator in one embodiment.

[0056] Figure 2 for Figure 1 The diagram shows the structure of the damper control device.

[0057] Figure 3 for Figure 2 The diagram shows a flowchart illustrating the control method of a refrigeration device operated by a computer program.

[0058] Figure 4 for Figure 3 A flowchart illustrating step S2 in one embodiment is shown.

[0059] Figure 5 for Figure 4A flowchart illustrating steps S21 and S22 in one embodiment is shown.

[0060] Figure 6 for Figure 3 The flowchart of step S2 in one embodiment is shown.

[0061] Figure 7 for Figure 3 The flowchart of step S1 in one embodiment is shown.

[0062] Figure 8 This is a flowchart illustrating the control method of a refrigeration device in another embodiment.

[0063] Figure 9 for Figure 8 The flowchart of step S201 in one embodiment is shown.

[0064] Figure 10 This is a flowchart illustrating step S4 of the control method for a refrigeration device in one embodiment. Attached image description:

[0066] 1. Refrigerator; 10. Air damper control device; 110. Air damper assembly; 120. Optical detection assembly; 130. Refrigeration assembly; 140. Control module; 20. Cabinet assembly; 200. Slide rail. Detailed Implementation

[0067] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0068] All existing refrigerators are equipped with dampers, which work in conjunction with damper control devices to control the opening and closing of the refrigerator's cooling chamber. Generally, current refrigerators use open-loop damper control, meaning the output damper drive signal cannot determine the exact angle the door is open. Furthermore, when the refrigerator needs to be restarted due to excessive ice buildup, the technology cannot identify the door's current position, requiring a switching action to reset the damper to its original state before reopening, resulting in unnecessary drive and energy loss. Additionally, each reset causes an overload impact on the limiting structure, reducing the damper's lifespan.

[0069] Based on this, this application provides a refrigerator 1, such as Figure 1As shown, it includes a damper control device 10 that applies a refrigeration equipment control method and a housing assembly 20. For example... Figure 2 As shown, the damper control device 10 includes a damper assembly 110, an optical detection assembly 120, and a control module 140. Specifically,

[0070] The optical detection component 120 is used to detect the unfolding angle of the damper assembly 110 of the refrigeration equipment.

[0071] The control module 140 is communicatively connected to the refrigeration component 130, the damper component 110, and the optical detection component 120 of the refrigeration equipment. The control module 140 includes a memory and a computer program. The memory stores refrigeration commands and preset damper angles. The computer program executes the control method of the refrigeration equipment described in the above embodiments.

[0072] Among them, such as Figure 3 As shown, the specific steps of the control method for refrigeration equipment are as follows:

[0073] S1. The optical detection component obtains the unfolding angle of the damper component.

[0074] S2. Compare the unfolding angle with the preset damper angle to obtain the angle error between the unfolding angle and the preset damper angle.

[0075] If the angle error is less than or equal to the preset angle error, then step S3 is executed. If the angle error exceeds the preset angle error, then the damper assembly is corrected according to the preset damper angle to make the angle error less than or equal to the preset angle error, and then step S3 is executed again after correction.

[0076] S3 outputs a cooling command that causes the cooling components in the refrigeration equipment to perform cooling.

[0077] Understandably, the above control method eliminates the need to reset the damper assembly before outputting drive commands in the event of a power outage. Instead, it detects the damper assembly's unfolding angle and compares it with a preset angle for correction, thereby improving the damper assembly's unfolding efficiency and reducing unnecessary re-resets. This avoids impact damage to the damper assembly caused by re-resets, extends its service life, and reduces maintenance and replacement costs. It also reduces the output of control actions, thus reducing power consumption. Furthermore, by measuring the actual unfolding angle of the damper assembly and comparing it with the preset angle, unfolding errors can be detected and corrected promptly, ensuring optimal cooling performance.

[0078] Furthermore, when the damper assembly needs to be powered off and restarted, the optical detection component can detect the current opening angle of the damper assembly to determine the angular error between the actual opening angle and the preset opening angle. When the angular error is small, the cooling component can be directly driven to cool, thereby improving cooling efficiency. When the angular error is large, the damper assembly is corrected according to the preset angle before driving the cooling component, thereby improving cooling accuracy.

[0079] It should be noted that the optical detection components can be, but are not limited to, infrared sensors, cameras, etc., which will not be discussed in detail here. Meanwhile, the unfolding angle can be obtained by directly acquiring a scale model through 3D methods, or by calculating the distance using a 2D scale and substituting it into the calculation model, etc., without further restrictions.

[0080] In some embodiments, step S1 includes:

[0081] S10. Obtain the unfolding distance of the damper assembly through the optical detection component, and calculate the unfolding angle based on the unfolding distance. Specifically, this can be calculated using the formula in the calculation model. Assuming the lengths of the two clamping plates of the damper assembly are known, namely L1 and L2, and the length between the two clamping plates detected by the optical detection component is L3, L1, L2, and L3 form a triangular-like planar structure. By switching the cosine theorem, the angle opposite to L3 (i.e., the damper unfolding angle) can be obtained, and thus the unfolding angle can be calculated.

[0082] Assuming the unfolding angle is According to the Law of Cosines, we can obtain:

[0083]

[0084] Thus, unlike modeling and calculating the scale of the entire damper assembly using a 3D scanner or other three-dimensional scanning components, this calculation method only requires using an optical detection component to measure the distance between the two clamps. This detection component can be a planar detection device, reducing costs and allowing for a more compact structure, thus saving space. Furthermore, compared to modeling and scaling calculations, or calculations using simple cosine theorem methods, the calculation steps are simpler and the computational difficulty is lower.

[0085] It should be noted that there are different ways to calibrate the damper assembly. For example, one method is to make quantitative angle adjustments each time and continuously measure the angle error so that the final angle error is less than the preset angle error. Another method is to calculate the required adjustment range in one go by the calculation model to achieve precise adjustment. These methods will be explained in detail later.

[0086] In one embodiment, the damper assembly is calibrated by adjusting a quantitative angle to ensure that the final angle error is less than a preset angle error. Specifically, in one example, assuming the quantitative angle adjustment is 5°, if the angle error is 15°, exceeding the preset angle error (0° to 5°), the correctable range is between 10° and 20°. In this case, the damper assembly needs to be adjusted 2 to 4 times to ensure that the angle error is within the preset angle error range.

[0087] In another embodiment, the correction of the damper assembly is calculated by inputting it into a computational model. Specifically, in one example, assuming the angle error is P, the preset angle error is Q, and the correction angle is C.

[0088] C = (PQ) * t+S.

[0089] Where t is the correction proportionality coefficient and S is the correction constant.

[0090] In combination with any embodiment of step S2 above, such as Figure 4 As shown, specifically, the unfolding angle includes the initial unfolding angle and the corrected unfolding angle. Step S2 includes:

[0091] S21. The angle error is obtained by comparing the initial deployment angle with the preset angle error. When the angle error exceeds the preset range, the damper assembly is corrected according to the preset damper angle so that the damper assembly is corrected from the initial deployment angle to the corrected deployment angle.

[0092] S22. During the first time period, the corrected deployment angle of the damper assembly is obtained through the optical detection component, and the corrected angle error between the corrected deployment angle and the preset angle error is calculated. When the corrected angle error is within the preset correction range, a cooling command is output to cause the cooling component in the cooling equipment to perform cooling. Otherwise, the damper assembly is closed.

[0093] Understandably, when a damper component exhibits at least two angular deviations, it is highly likely that the component has malfunctioned or is obstructed. If adjustment is performed every time it is used, it is difficult to achieve the desired effect, resulting in significant power consumption and increased control complexity. Therefore, based on the control method described above, the damper component is first commanded to correct the initial angular error. Then, the angle change of the damper component is monitored over a subsequent period. If the corrected angle change still does not meet the preset correction requirements, the damper component is closed. This avoids continuous angle correction of the damper component, saving power, simplifies the control process, and improves operational efficiency.

[0094] It should be noted that the preset correction range here may be equal to or different from the preset angle error in the above embodiments.

[0095] The following example will be used to illustrate the point in detail:

[0096] Assuming both the preset angle error and the preset correction range are within 0° to 5°, if the optical detection component detects an opening angle of 30° for a damper assembly, and the preset opening angle is 40°, then the angle error is 10°. This means the angle error of the damper assembly exceeds the preset angle error. A correction command, such as setting the opening angle to 45°, is then input to correct this damper assembly. After a correction period, such as 30 seconds, the optical detection component obtains the corrected opening angle of the damper assembly. Assuming the corrected opening angle is now being adjusted, it is determined whether the error range between the corrected opening angle and the preset angle error (i.e., the initial preset opening angle of 40°) is within the 0° to 5° range. If it is, the correction is effective; otherwise, the damper assembly is faulty or obstructed, and operation needs to be paused to reduce power consumption.

[0097] Furthermore, if the correction angle error between the corrected unfolding angle and the preset angle error in the above embodiments still does not meet the preset correction range, then the damper assembly is faulty or obstructed. Warning commands such as ringing, photoelectric display, or display on the display module can be issued to remind the operator to repair or replace it in time.

[0098] It should be noted that the communication connection between the above control component and at least two damper components can be a series connection or a parallel connection, and no further restrictions are imposed here.

[0099] In some embodiments, at least two damper assemblies are connected in series with a control assembly, so that the control assembly controls the opening and closing of at least two damper assemblies simultaneously. This allows for unified command control of the damper assemblies, simplifies the control logic, facilitates rapid response and adjustment, and improves cooling efficiency.

[0100] In other embodiments, the control component can be connected in parallel with the damper components. Specifically, in one example, the control component is connected in series with each damper component to form multiple control loops, and these multiple control loops are connected in parallel with the control component. This facilitates precise control of each damper component and improves control accuracy.

[0101] In another example, at least two damper assemblies are connected in series to form a control loop, and multiple control loops are connected in parallel to the control assemblies. It is understood that this configuration allows for centralized control of the set of damper assemblies in a unit area (i.e., the damper assemblies in the control loop), improving control efficiency; simultaneously, it allows for differentiated control of damper assemblies in different areas, improving control precision.

[0102] To ensure cooling performance, in conjunction with any embodiment of steps S21 and S22 above, at least two of the damper assemblies include a first damper assembly and a second damper assembly. The correction angle error of the first damper assembly is not within a preset correction range, while the angle error or correction angle error of the second damper assembly is within a preset angle error. For example... Figure 5 As shown, step S20 further includes:

[0103] In one specific embodiment, step S221 is executed to input first correction instruction information to the second damper assembly so that the damper opening angle of the second damper assembly is greater than the preset damper angle.

[0104] In another specific embodiment, step S222 is executed, and a second correction instruction information is input to the refrigeration component so that the cooling capacity of the corrected refrigeration component is greater than the cooling capacity of the refrigeration component in the execution refrigeration instruction.

[0105] Understandably, closing the first damper assembly reduces the cooling capacity output. If this reduction isn't compensated for by the output of other damper assemblies, the final cooling capacity output will be affected, reducing the cooling effect. Therefore, adjusting the second damper assembly—increasing its opening angle or cooling capacity—can ensure the final cooling effect while reducing the operating time of the cooling components, improving cooling efficiency, and reducing power consumption.

[0106] In combination with any embodiment of step S2 above, such as Figure 6 As shown, the control method for refrigeration equipment also includes the following steps:

[0107] S23. When the angle error exceeds the preset angle error, adjust the detection position of the optical detection component, and obtain the angle deployment information of the damper component at the detection position again. The adjusted angle error is obtained by comparing the adjusted angle deployment information with the preset damper angle.

[0108] Understandably, when the optical detection component is far from the damper component or is obstructed, the measurement results will be inaccurate. In this case, the detection orientation can be adjusted by moving the optical detection component relative to the damper component, thereby improving detection accuracy. Furthermore, by first verifying whether a detection error has occurred before calibrating the damper component, incorrect calibration of the damper component is avoided, control procedures are reduced, and operational efficiency is improved.

[0109] Specifically, see attached Figure 1At this time, the housing assembly 20 is provided with a slide rail 200 along at least one of the length direction, width direction and height direction, and the optical detection assembly 120 slides with the slide rail 200 so that the relative distance between the optical detection assembly 120 and the damper assembly 110 is adjustable, that is, the relative position is adjustable.

[0110] In conjunction with any embodiment of the control method for the above-described refrigeration equipment, such as Figure 7 As shown, it also includes:

[0111] Step S002: Detect the power-on drive signal of the damper assembly.

[0112] If the power-on drive signal reception time exceeds a preset time, the deployment angle is obtained through the optical detection component. Otherwise, the drive of the damper assembly is stopped.

[0113] Thus, it can be understood that the damper assembly can be deployed in two ways: firstly, through electric drive; and secondly, through non-electric drive caused by factors such as wind or obstructions. Based on this, the aforementioned control method can first determine whether the damper assembly's operation is electrically driven, and then determine the stability of the electric drive signal by increasing the detection of the electric drive duration, thereby improving the accuracy of execution.

[0114] It should be noted that the preset time can be in the range of 1s to 5s, or even 0.1s to 5s, etc., without too many restrictions.

[0115] It should be noted that the preset time can be 0.5s to 4s, or it can be 0.5s, 1s, 2s or 3s, etc., without too many restrictions.

[0116] In combination with any embodiment of the above control method, such as Figure 8 As shown, the control method also includes:

[0117] S001. Input preset commands to the damper assembly. The preset commands include a first command that positions the damper assembly at a first angle and a second command that positions the damper assembly at a second angle.

[0118] S101. Obtain the unfolding angle of the damper assembly through the optical detection component.

[0119] S201. Compare the unfolding angle with the preset damper angle.

[0120] When the angle error is greater than the preset angle error, the output of the damper component is switched from the first command to the second command, or from the second command to the first command, so that the angle error information is within the preset angle error.

[0121] Conversely, it will maintain the output of either the first or second instruction. Note that the first angle is not equal to the second angle.

[0122] Understandably, in actual use, a damper assembly already running preset commands may encounter obstructions or malfunctions, making it difficult to execute the preset commands. In such cases, the preset commands can be corrected to meet actual deployment requirements. Specifically, when the angle error exceeds the preset angle error, the original command needs to be corrected to meet the angle deployment requirements. For example, assuming the first angle is smaller than the second angle, the deployment angle is smaller than the preset angle (first angle). To ensure the required deployment angle, due to factors such as drive error, the angle of the preset angle command needs to be increased to compensate for the error (the preset deployment angle is too large), so that the damper assembly executes the second command (second angle), and the deployment angle is closer to or even equal to the first angle. Similarly, when the deployment angle is larger than the preset angle (second angle), the drive error of the damper assembly is too large. The angle of the preset angle command needs to be reduced to reduce the error (the preset deployment angle is too small), so that the damper assembly executes the first command (first angle), and the deployment angle is closer to or equal to the second angle, thereby ensuring cooling efficiency. Therefore, compared to simply closing the damper assembly with errors, the above-mentioned angle correction control method can ensure the cooling effect while improving the utilization efficiency of the damper assembly.

[0123] To improve calibration efficiency, in conjunction with any embodiment of the control method for the aforementioned refrigeration equipment, such as... Figure 9 As shown, the control method for refrigeration equipment also includes:

[0124] Step S24: Preset damper angle, including original angle drive command and correction angle drive command.

[0125] During the second time period, the number of times the angle error of the damper assembly exceeded the preset angle error was obtained.

[0126] When the error count is 0, the damper assembly is driven according to the original angle drive command.

[0127] If the number of errors does not exceed two, the original angle drive command will be corrected to the corrected angle drive command based on the angle error.

[0128] When the number of errors exceeds two, a correction angle drive model is established based on at least two original angle drive commands, correction angle drive commands, and at least two angle errors, and the correction angle drive model is stored in a preset command library. The damper assembly is then driven according to the correction angle drive model.

[0129] It should be noted that at least one of the damper opening / closing state and damper opening angle information differs between the original angle drive command and the correction angle drive command. That is, the original angle drive command and the correction angle drive command are corrected based on at least one of the damper opening / closing state and damper opening angle.

[0130] In other words, when the number of errors is greater than or equal to two, it can be considered that the damper component has a drive deployment error fault. A correction angle drive model can be built based on at least the first two correction angle drive commands to reduce the error between the preset command and the actual operating deployment angle. In this way, it is not necessary to correct every time an error is found. Only the first two corrections need to be performed, and after the model is built, the corrected command can be input, thus eliminating the need for correction every time, improving correction efficiency and reducing the amount of calculation.

[0131] In one embodiment, the original angle drive command is used to obtain the corrected angle drive command based on the different opening angle information of the damper. It should be noted that the corrected angle drive model can satisfy a functional relationship or be established based on a digital model (a curve established from a large amount of data, such as a gamma distribution), etc., without further limitation. Furthermore, the establishment of the corrected angle drive model can be achieved through at least two of the following: at least two original angle drive commands, at least two corrected angle drive commands, and at least two angle errors; the choice can be made according to different computational requirements.

[0132] In one specific implementation, the correction angle drive model is simulated using a linear function calculation method. Specifically, assuming the original angle drive command indicates an deployment angle of X, and the actual damper assembly deployment angle is Y, then the established correction angle drive model is Y = k*X + b; where,

[0133] Y1 = k*X1 + b (1)

[0134] Y2 = k*X2 + b (2)

[0135] Y1 represents the first actual damper deployment angle, and Y2 represents the second actual damper deployment angle; X1 represents the deployment angle of the first original angle drive command; X2 represents the deployment angle of the second original angle drive command; k represents the error coefficient; and b represents the error correction factor. k and b are obtained by simultaneously solving equations (1) and (2), thus obtaining the corrected angle drive model. Subsequently, simply inputting the required actual deployment angle Y into the corrected angle drive model will yield the required preset command angle X.

[0136] In another specific implementation, assuming the original angle drive command indicates an deployment angle of T, the actual deployment angle of the damper assembly is Z, and the angle error is P, then the established corrected angle drive model is Z = k1*T + k2*P; where,

[0137] Z1 = k1*T1 + k2*P1 (3)

[0138] Z2 = k1*T2 + k2*P2 (4)

[0139] Z1 is the first actual damper deployment angle, and Z2 is the second actual damper deployment angle; T1 is the deployment angle of the first original angle drive command; T2 is the deployment angle of the second original angle drive command; P1 is the angle error of the first operation; P2 is the angle error of the second operation; k1 is the first error coefficient; and k2 is the second error coefficient. Similarly, k1 and k2 are obtained by simultaneously calculating the two equations (3) and (4), thus obtaining the corrected angle drive model. Subsequently, only the required actual deployment angle Z needs to be input into the corrected angle drive model to obtain the preset command angle T that needs to be input.

[0140] The following example will be used to illustrate the point in detail:

[0141] Suppose that the number of errors occurring in a damper assembly has accumulated to 2. Assume the initial angle drive command for the damper assembly is 30°, and the actual deployment angle for the first time is 20°. The initial angle error is 10° (exceeding the preset error range of 0° to 5°). When the second initial angle drive command for the damper assembly is 60°, the actual deployment angle for the second time is 45°. The second angle error is 15° (exceeding the preset error range of 0° to 5°). At this point, an error model is established based on the aforementioned corrected angle drive model Y = kX + b. Substituting these values, we obtain: b = -5.

[0142] The third preset unfolding angle is 60°. Substituting this into Y, we get the actual required preset angle command as 78°. The preset angle needs to be larger than the actual angle so that the actual unfolding angle is closer to the ideal value.

[0143] It should be noted that the calibration of the damper assembly in conjunction with the above embodiments can achieve either closing the damper assembly or angle calibration of the damper assembly. Therefore, in addition to the aforementioned error calibration via angle, the error model can also be established by closing the damper assembly to establish the calibration angle driving model.

[0144] In another embodiment, the original angle drive command is used to obtain the correction angle drive command based on the different opening and closing states of the dampers. Specifically, suppose the first original angle drive command requires opening 10 damper assemblies to 30°, but only 8 of them can ultimately meet the requirement of opening 30° within the error range. The second original angle drive command requires opening 10 damper assemblies to 60°, and only 8 of them can ultimately open 60° within the error range. Based on this, a correction angle drive model can be established, that is, closing the two faulty damper assemblies, reducing correction time and computational difficulty.

[0145] Furthermore, in one specific embodiment, the cooling capacity can also be guaranteed by adjusting the preset command mode. Specifically, continuing with the above example, suppose the first preset cooling mode predicts a cooling capacity of 300cc, and assumes the average output cooling capacity of the damper assembly is 30cc per assembly. However, since only 8 dampers can ultimately meet the opening requirements, the calculated cooling capacity within a given unit may be less than 300cc. To ensure the cooling capacity output, the cooling capacity is increased by 10cc to 60cc. The second preset cooling mode predicts a cooling capacity of 500cc, but since only 8 dampers can ultimately meet the requirements, the cooling capacity is increased by 10cc to 100cc. That is, the cooling capacity can be increased according to the actual number of closed damper assemblies, but to avoid excessive cooling and increased cooling load, the maximum increase in cooling capacity can be determined as the product of the preset input cooling capacity of a single damper assembly and the number of closed damper assemblies.

[0146] In conjunction with any embodiment of the control method for the above-described refrigeration equipment, such as Figure 10 As shown, the control method for refrigeration equipment also includes:

[0147] S4. Obtain the cooling temperature inside the cooling chamber. If the cooling temperature exceeds the preset temperature, shut off the damper assembly and the cooling assembly. Otherwise, continue to operate the damper assembly and the cooling assembly.

[0148] In this way, by detecting whether the cooling temperature meets the requirements, excessive cooling output can be avoided, thus reducing energy loss.

[0149] Specifically, there can be multiple preset cooling modes, such as rapid cooling and normal cooling. For different modes, the generation and delivery of cooling capacity can be controlled by adjusting the operating speed of the compressor and the fan. For example,

[0150] It should be noted that the memory in the above embodiments may include at least one type of storage medium, including flash memory, hard disk, multimedia card, card-type memory (e.g., SD or DX memory, etc.), random access memory (RAM), static random access memory (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read-only memory (PROM), magnetic memory, disk, optical disk, etc.

[0151] The various embodiments described herein can be implemented using computer-readable media, such as computer software, hardware, or any combination thereof. For hardware implementations, the embodiments described herein can be implemented using at least one of an application-specific integrated circuit (ASIC), a digital signal processor (DSP), a digital signal processing device (DSPD), a programmable logic device (PLD), a field-programmable gate array (FPGA), a processor, a controller, a microcontroller, a microprocessor, or an electronic unit designed to perform the functions described herein.

[0152] For software implementation, implementation methods such as processes or functions can be implemented with separate software modules that allow the performance of at least one function or operation. Software code can be implemented by a software application (or program) written in any suitable programming language, and the software code can be stored in memory and executed by a computer program.

[0153] It should be noted that the optical detection components and the housing components can be fixed by sliding fit, welding fit, or snap-fit, etc. Furthermore, the number of optical detection components can be one or more, depending on the actual usage requirements. No further restrictions are placed on the former.

[0154] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0155] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application. When using the above-disclosed technical content, some changes or modifications can be made to the equivalent implementation methods. However, any simple modifications, equivalent changes, and modifications made to the above implementation methods based on the technical essence of this application without departing from the content of the technical solution of this application shall still fall within the scope of the technical solution of this application.

Claims

1. A control method for a refrigeration device, applied to a refrigeration device equipped with an optical detection component, wherein the optical detection component is installed in the housing assembly of the refrigeration device; characterized in that, The optical detection component is used to detect the deployment angle of the damper assembly of the refrigeration equipment; the method includes: The deployment angle of the damper assembly is obtained through the optical detection component; The angular error between the unfolding angle and the preset damper angle is obtained by comparing the unfolding angle with the preset damper angle. When the angle error is less than or equal to the preset angle error, a cooling command is output to make the cooling components in the cooling equipment cool. When the angle error is greater than the preset angle error, the damper assembly is corrected according to the preset damper angle so that the angle error is less than or equal to the preset angle error and the cooling command is output.

2. The control method for the refrigeration equipment according to claim 1, characterized in that, The optical detection component acquires the deployment angle of the damper assembly, including: The deployment distance of the damper assembly is obtained through the optical detection component, and the deployment angle is calculated using the damper length of the damper assembly and the deployment distance.

3. The control method for the refrigeration equipment according to claim 1, characterized in that, When the angle error is greater than the preset angle error, the damper assembly is corrected according to the preset damper angle, and the assembly further includes: The unfolding angle includes the initial unfolding angle and the corrected unfolding angle; The angle error is obtained by comparing the initial deployment angle with the preset angle error; when the angle error is greater than the preset angle error, the damper assembly is corrected according to the preset damper angle so that the damper assembly is corrected from the initial deployment angle to the corrected deployment angle. During the first time period, the correction deployment angle of the damper assembly is obtained through the optical detection component, and the correction angle error between the correction deployment angle and the preset angle error is calculated. When the correction angle error is within the preset correction range, a cooling command is output to enable the cooling component in the cooling device to perform cooling; otherwise, the damper assembly is closed.

4. The control method for the refrigeration equipment according to claim 3, characterized in that, When the correction angle error is within the preset correction range, a cooling command is output to make the cooling components in the cooling equipment perform cooling. Conversely, the damper assembly is closed, and the damper assembly further includes: At least two of the damper assemblies include a first damper assembly and a second damper assembly; when the correction angle error of the first damper assembly is not within the preset correction range, the first damper assembly is closed; when the angle error or the correction angle error of the second damper assembly is within the preset angle error, then: Input a first correction instruction to the second damper assembly so that the damper opening angle of the second damper assembly is greater than the preset damper angle; And / or, input a second correction instruction to the refrigeration component so that the refrigeration capacity of the refrigeration component after correction is greater than the refrigeration capacity of the refrigeration component in executing the refrigeration instruction.

5. The control method for the refrigeration equipment according to claim 1, characterized in that, The deployment angle of the damper assembly is obtained through the optical detection component; the deployment angle is compared with a preset damper angle to obtain the angular error between the deployment angle and the preset damper angle, and the method further includes: When the angle error exceeds the preset angle error, the detection position of the optical detection component is adjusted, and the unfolding angle of the damper component at the detection position is obtained again. The adjusted angle error is obtained by comparing the adjusted unfolding angle with the preset damper angle.

6. The control method for the refrigeration equipment according to claim 1, characterized in that, The control method for the refrigeration equipment further includes: The power-on drive signal of the damper assembly is detected; if the reception time of the power-on drive signal exceeds a preset time, the unfolding angle is obtained through the optical detection component; otherwise, the drive of the damper assembly is stopped.

7. The control method for the refrigeration equipment according to claim 1, characterized in that, The unfolding angle of the damper assembly is obtained through the optical detection component; comparing the unfolding angle with a preset damper angle further includes: Input a preset command to the damper assembly; the preset command includes a first command that causes the damper assembly to be at a first angle and a second command that causes the damper assembly to be at a second angle; The deployment angle of the damper assembly is obtained through the optical detection component; the deployment angle is compared with the preset damper angle. When the angle error is greater than the preset angle error, the output of the damper assembly is switched from the first instruction to the second instruction, or from the second instruction to the first instruction, so that the angle error information is within the preset angle error. Conversely, the output of either the first or the second instruction remains unchanged; wherein the first angle is not equal to the second angle.

8. The control method for the refrigeration equipment according to claim 7, characterized in that, The control method for the refrigeration equipment further includes: The preset damper angle includes the original angle drive command and the correction angle drive command; During the second time period, the number of times the angle error of the damper assembly exceeds the preset angle error is obtained; When the number of error counts is 0, the damper assembly is driven according to the original angle drive command; If the number of errors does not exceed two, the original angle drive command is corrected to the corrected angle drive command based on the angle error. When the number of errors exceeds two, a correction angle driving model is established based on at least two of the original angle driving commands, at least two correction angle driving commands, and at least two angle errors, and the correction angle driving model is stored in a preset command library; the damper assembly is driven according to the correction angle driving model.

9. The control method for the refrigeration equipment according to claim 8, characterized in that, At least one of the damper opening / closing state and the damper opening angle differs between the original angle drive command and the corrected angle drive command.

10. The control method for the refrigeration equipment according to any one of claims 1 to 9, characterized in that, The control method for the refrigeration equipment further includes: The cooling temperature inside the cooling chamber is obtained. When the cooling temperature exceeds the preset temperature, the damper assembly and the cooling assembly are closed. Conversely, the damper assembly and the cooling assembly continue to be driven.

11. A damper control device for a control method of refrigeration equipment, characterized in that, include: Damper assembly; An optical detection component is used to obtain the unfolding angle of the damper assembly; The control module is communicatively connected to the refrigeration components, the damper assembly, and the optical detection assembly of the refrigeration equipment; the control module includes a memory and a computer program, the memory being used to store refrigeration commands and preset damper angles; the computer program being used to execute the control method of the refrigeration equipment according to any one of claims 1 to 10.

12. A refrigerator, characterized in that, The refrigerator includes a cabinet assembly and the damper control device as described in claim 11, wherein the damper control device is installed inside the cabinet assembly.

13. The refrigerator according to claim 12, characterized in that, The housing assembly is provided with a slide rail along at least one of the length, width and height directions of the housing assembly; the slide rail is slidably engaged with the optical detection assembly so that the distance between the optical detection assembly and the damper assembly is adjustable, thereby adjusting the detection orientation of the optical detection assembly relative to the damper assembly.

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