Filter screen dust removal method and device and refrigeration equipment

Abstract

The invention discloses a filter screen dust removal method and device and refrigeration equipment. The method comprises the steps that the air speed of a draught fan and the temperature of a compressor shell are detected; if the air speed of the fan and the temperature of the compressor shell meet the preset conditions, determining that the filter screen is in a to-be-dedusted state; after the compressor and the fan are shut down, the filter screen dust removal device is controlled to execute dust removal operation; detecting the weight change of the dust collection box in the dust removal operation execution process; the filter screen dedusting effect is judged according to the weight change of the dust collection box, and the operation power of the filter screen dedusting device is adjusted according to the filter screen dedusting effect. Through the method, whether the filter screen reaches the to-be-dedusted state or not is judged according to the air speed of the draught fan and the temperature of the compressor shell, automatic dedusting of the filter screen is achieved, the dedusting effect of the filter screen is detected in the dedusting process, and the good dedusting effect is guaranteed through adaptive adjustment. The purpose of automatically cleaning the filter screen is achieved, the manual cleaning cost is reduced, and the dust removal effect can be guaranteed in the dust removal process of the filter screen.

Description

Technical Field

[0001] The present invention relates to the technical field of refrigeration equipment, and in particular to a filter dust removal method, device and refrigeration equipment. Background Art

[0002] In order to prevent impurities in the air from gathering on the cooling fan, a filter is generally added to the front of the electrical box compartment of the low-temperature storage box to filter the air. As the machine ages, the filter will accumulate a lot of dust, resulting in a decrease in the cooling efficiency of the fan and even affecting the normal operation of the refrigeration system.

[0003] For cooling fan filters, the commonly used filter dust removal method is to manually remove the filter regularly and clean it manually, which not only wastes labor costs, but also manual operations may result in too frequent or untimely cleaning.

[0004] With regard to the problem of poor dust removal effect of filters in the prior art, no effective solution has been proposed yet. Summary of the invention

[0005] The embodiments of the present invention provide a filter screen dust removal method, device and refrigeration equipment to solve the problem of poor filter screen dust removal effect in the prior art.

[0006] To solve the above technical problems, the present invention provides a filter dust removal method, wherein the method includes: detecting the fan wind speed and the compressor casing temperature; if the fan wind speed and the compressor casing temperature meet the preset conditions, determining that the filter is in a state to be dust removed; after the compressor and the fan are stopped, controlling the filter dust removal device to perform a dust removal operation; during the dust removal operation, detecting the weight change of the dust box; judging the dust removal effect of the filter according to the weight change of the dust box, and adjusting the operating power of the filter dust removal device according to the dust removal effect of the filter.

[0007] Furthermore, the fan wind speed and the compressor casing temperature meet preset conditions, including: the fan wind speed is less than or equal to a preset wind speed threshold; the compressor casing temperature is greater than or equal to a preset temperature threshold and continues to rise within a first preset time period.

[0008] Furthermore, after determining that the filter is in a state to be dust-removed, the method further includes: controlling the compressor to operate at a reduced frequency.

[0009] Furthermore, during the dust removal operation, the method further includes: determining whether the weight of the dust box exceeds a preset weight threshold; if so, determining that the dust box is full and sending a cleaning prompt message.

[0010] Furthermore, the dust removal effect of the filter is judged according to the weight change of the dust box, and the operating power of the filter dust removal device is adjusted according to the dust removal effect of the filter, including: calculating the change rate of the dust box weight during the increase process; judging the dust removal effect of the filter according to the change rate; wherein, the greater the change rate, the better the dust removal effect of the filter.

[0011] Furthermore, the operating power of the filter dust removal device is adjusted according to the dust removal effect of the filter, including: if the dust removal effect of the filter does not meet the preset effect, increasing the operating power of the filter dust removal device; if the dust removal effect of the filter meets the preset effect, maintaining the operating power of the filter dust removal device; wherein, if the change rate is lower than the preset rate threshold, it indicates that the dust removal effect of the filter does not meet the preset effect.

[0012] Furthermore, after detecting the weight change of the dust box, the method also includes: if the weight of the dust box does not change within a second preset time period, determining that the filter has switched from the dust removal state to the normal state, exiting the dust removal operation, and controlling the compressor to return to the state before performing the dust removal operation.

[0013] Further, detecting the wind speed of the fan and the temperature of the compressor casing includes: when the compressor and the fan are both started and the compressor is in a frequency increase stage, detecting the wind speed of the fan and the temperature of the compressor casing.

[0014] The present invention also provides a filter dust removal device, wherein the device includes: a detection module for detecting the fan wind speed and the compressor casing temperature; a judgment module for determining that the filter is in a state to be dust-removed when the fan wind speed and the compressor casing temperature meet preset conditions; a dust removal module for controlling the filter dust removal device to perform a dust removal operation after the compressor and the fan are stopped; an adjustment module for detecting the weight change of the dust box during the dust removal operation; judging the dust removal effect of the filter according to the weight change of the dust box, and adjusting the operating power of the filter dust removal device according to the dust removal effect of the filter.

[0015] The present invention also provides a refrigeration device, wherein the refrigeration device includes the above-mentioned filter dust removal device.

[0016] Furthermore, the refrigeration equipment is a low-temperature preservation box.

[0017] The present invention also provides a computer-readable storage medium having a computer program stored thereon, wherein the program implements the above method when executed by a processor.

[0018] The present invention also provides an electronic device, which includes: one or more processors; a storage device for storing one or more programs, when the one or more programs are executed by the one or more processors, the one or more processors implement the method as described above.

[0019] By applying the technical solution of the present invention, it is determined whether the filter screen has reached the state to be dusted according to the wind speed of the fan and the temperature of the compressor housing. If the filter screen is in the state to be dusted, dust removal is performed after the fans of the compressor are all stopped, and the dust removal effect of the filter screen is detected during the dust removal process and adaptively adjusted to ensure a better dust removal effect. The purpose of automatic cleaning of the filter screen is achieved, the cost of manual cleaning is reduced, and the dust removal effect can be guaranteed during the dust removal process of the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a flow chart of a filter dust removal method according to an embodiment of the present invention;

[0021] Figure 2 is a specific flow chart of a filter dust removal method according to an embodiment of the present invention;

[0022] Figure 3 4 is a structural block diagram of a filter dust removal device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] The terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The singular forms "a", "said" and "the" used in the embodiments of the present invention and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings, and "multiple" generally includes at least two.

[0025] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0026] It should be understood that although the terms first, second, third, etc. may be used to describe the preset durations in the embodiments of the present invention, these should not be limited to these terms. These terms are only used to distinguish the preset durations. For example, without departing from the scope of the embodiments of the present invention, the first preset duration may also be referred to as the second preset duration, and similarly, the second preset duration may also be referred to as the first preset duration.

[0027] As used herein, the words "if" and "if" may be interpreted as "at the time of" or "when" or "in response to determining" or "in response to detecting", depending on the context. Similarly, the phrases "if it is determined" or "if (stated condition or event) is detected" may be interpreted as "when it is determined" or "in response to determining" or "when detecting (stated condition or event)" or "in response to detecting (stated condition or event)", depending on the context.

[0028] It should also be noted that the term "includes", "comprising" or any other variation thereof is intended to cover non-exclusive inclusion, so that a commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such commodity or device. In the absence of more restrictions, the elements defined by the sentence "comprising a ..." do not exclude the existence of other identical elements in the commodity or device including the elements.

[0029] The optional embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0030] Example 1

[0031] When the cooling fan is running, air is sucked into the electrical box compartment through the filter. Taking the low-temperature preservation box as an example, the electrical box compartment is provided with electrical components such as a fan, a compressor, and a circuit board. A filter is provided at the front end of the electrical box compartment. More specifically, the filter is provided at the air inlet of the fan. As the running time of the whole machine accumulates, a large amount of dust will accumulate on the filter. Based on this, the present invention proposes a filter dust removal scheme, which determines whether the filter has reached the state to be dusted by the fan wind speed and the compressor casing temperature. If the filter is in the state to be dusted, dust removal is performed after the compressor fans are stopped, and the dust removal effect of the filter is detected during the dust removal process and adaptively adjusted to ensure a better dust removal effect. The purpose of precise self-cleaning of the filter is achieved.

[0032] According to an embodiment of the present invention, a method embodiment of filter dust removal is provided. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and although a logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in an order different from that shown here.

[0033] Figure 1 is a flow chart of a filter dust removal method according to an embodiment of the present invention. Figure 1 As shown, the method comprises the following steps:

[0034] Step S101, detecting the fan wind speed and the compressor casing temperature;

[0035] Step S102, if the fan wind speed and the compressor housing temperature meet the preset conditions, it is determined that the filter is in a state to be dust-removed;

[0036] Step S103, after the compressor and the fan are both stopped, controlling the filter dust removal device to perform a dust removal operation;

[0037] Step S104, during the dust removal operation, detecting the weight change of the dust box; judging the dust removal effect of the filter according to the weight change of the dust box, and adjusting the operating power of the filter dust removal device according to the dust removal effect of the filter.

[0038] This embodiment determines whether the filter screen has reached the state of dust removal based on the wind speed of the fan and the temperature of the compressor housing. If the filter screen is in the state of dust removal, dust removal is performed after the fans of the compressor are all stopped. This achieves the purpose of automatic cleaning of the filter screen, and can also detect the dust removal effect of the filter screen during the dust removal process and adjust it adaptively to ensure a better dust removal effect. This reduces the cost of manual cleaning and improves the dust removal effect.

[0039] In this embodiment, when judging whether the filter has reached the state to be dusted according to the wind speed of the fan and the temperature of the compressor housing, the wind speed of the fan and the temperature of the compressor housing are detected under the premise that both the compressor and the fan are started. If the filter is dusty, the wind speed of the fan will be affected and the temperature of the compressor housing will also increase. Therefore, this embodiment provides a preferred implementation method, that is, the wind speed of the fan and the temperature of the compressor housing meet the preset conditions, including: the wind speed of the fan is less than or equal to the preset wind speed threshold; the temperature of the compressor housing is greater than or equal to the preset temperature threshold, and continues to increase within the first preset time. In the frequency increase stage after the compressor is started, the change in the temperature of the compressor housing will be more obvious (the temperature will be higher and more obvious), so further, the wind speed of the fan and the temperature of the compressor housing can be detected when both the compressor and the fan are started and the compressor is in the frequency increase stage. Based on the above preferred implementation method, the dust accumulation of the filter can be accurately and efficiently identified, and when the dust accumulation of the filter reaches a certain level, it is determined that the filter needs to be cleaned, and the filter is marked as being in the state to be dusted.

[0040] It should be noted that after determining that the filter is in the state of waiting for dust removal, in order to avoid further increase in the shell temperature of the compressor during operation due to dust accumulation on the filter, the compressor is controlled to operate at a reduced frequency, thereby preventing the compressor temperature from being too high and ensuring stable and safe operation of the compressor.

[0041] After marking the filter as ready for dust removal, the dust removal operation will not be performed immediately. Dust removal can only be performed when the compressor and the fan are stopped. Therefore, it is necessary to wait until the compressor and the fan are stopped before controlling the filter dust removal device to perform the dust removal operation. Generally, after the compressor stops, the fan will continue to run for a period of time. After the fan has run for a set time (for example, 20 minutes), it will be turned off and the dust removal operation will be performed. This ensures the safety and effectiveness of the dust removal operation. The filter dust removal device can be an ultrasonic dust removal device that uses vibration to shake off the dust on the filter.

[0042] During the dust removal operation, the weight of the dust box and its weight change can be detected in real time. The weight of the dust box can indicate the progress of dust removal, and the weight change of the dust box can indicate the effect of dust removal. During the dust removal operation, determine whether the weight of the dust box exceeds the preset weight threshold; if so, determine that the dust box is full and send a prompt to clean it. This ensures that the dust box is cleaned in time to avoid affecting the dust removal effect due to a full dust box. After cleaning the dust box, the filter can be marked to return to normal and the degree of dust accumulation on the filter can be re-tested.

[0043] When judging the dust removal effect of the filter according to the weight change of the dust box and adjusting the operating power of the filter dust removal device according to the dust removal effect of the filter, it can be achieved through the following preferred implementation: calculating the change rate of the dust box weight during the increase process; judging the dust removal effect of the filter according to the change rate; wherein, the greater the change rate, the better the dust removal effect of the filter. Based on this, the weight change rate of the dust box can characterize the dust removal effect of the filter. On the basis of realizing automatic dust removal of the filter, this embodiment can also control the dust removal effect of the filter in real time during the dust removal process, thereby ensuring the best dust removal effect.

[0044] If the dust removal effect of the filter does not meet the preset effect, the operating power of the filter dust removal device is increased; if the dust removal effect of the filter meets the preset effect, the operating power of the filter dust removal device is maintained; wherein, if the rate of change is lower than the preset rate threshold, it indicates that the dust removal effect of the filter does not meet the preset effect. Based on the above preferred embodiment, when the dust removal effect of the filter is not good, the operating power of the filter dust removal device is increased, thereby further improving the dust removal speed and ensuring the dust removal effect of the filter. It should be noted that during the dust removal operation, the rate of change of the filter weight in the initial dust removal time stage will be faster. As the dust on the filter falls off, the rate of change of the filter weight in the next time stage will decrease compared with the rate of change in the previous time stage, and the rate of change of the filter weight in the next time stage will be lower. Therefore, when setting the preset rate threshold, the entire dust removal operation period can be divided into multiple time stages, each time stage corresponds to a preset rate threshold, and the preset rate threshold of the latter time stage is less than the preset rate threshold of the previous time stage. Thereby more clearly and accurately controlling the dust removal effect of different time stages during the entire dust removal operation.

[0045] During the dust removal operation, the weight of the dust box and the weight change can be detected in real time. If the weight of the dust box does not change within the second preset time period, it is determined that the filter is switched from the state to be dust-removed to the normal state, the dust removal operation is exited, and the compressor is controlled to return to the state before the dust removal operation is performed. If the weight of the dust box does not change within a certain period of time, it means that the dust on the filter has been shaken off and the dust removal has ended, then the dust removal operation can be exited. Therefore, the above preferred embodiment can be used to characterize the end time point of the dust removal operation. In addition, a preset dust removal duration can also be set, and the timing starts from the beginning of the dust removal operation. When the preset dust removal duration is reached, the dust removal is automatically stopped and the dust removal operation is exited. In this way, the execution time of the dust removal operation can be clearly defined, which is convenient for adaptive control.

[0046] Example 2

[0047] Figure 2 is a specific flow chart of the filter dust removal method according to an embodiment of the present invention, such as Figure 2 As shown, the method comprises the following steps:

[0048] Step S201, after the whole machine is powered on, first determine whether the display panel sends a dust filter instruction, if yes, execute step S202, otherwise, determine the operating status of the compressor and execute step S203.

[0049] Step S202, after receiving the dust removal filter instruction of the display panel, the filter dust removal flag f_clean is set to 1, and the dust removal operation is performed after the compressor is stopped, and then step S203 is executed to determine the operating status of the compressor.

[0050] Step S203, in order to reduce the noise of the whole machine, the ultrasonic vibration device is turned on after the compressor is stopped to determine whether the compressor is started. If it is turned on, then determine whether the compressor is in the frequency increase stage. If so, execute step S204. Otherwise, determine whether the fan is turned off and execute step S211.

[0051] Step S204, in order to lower the temperature of the electrical box compartment, turn on the air cooler for cooling, count the fan running time Time, set the fan on flag fan_on to 1, and then execute step S205 to determine whether the compressor is in the frequency increase stage.

[0052] Step S205, in order to measure the maximum temperature of the compressor casing, determine whether the compressor is in the frequency increase stage, if so, measure the fan speed and the compressor casing temperature, and execute step S206, otherwise, do not judge the cleanliness of the filter, re-execute the process of the filter dust removal method, and execute step S201.

[0053] Step S206, measuring the fan wind speed S and the compressor casing temperature T for comparison with the set values, and then executing step S207.

[0054] Step S207, determine whether the fan wind speed measurement value S is less than or equal to the set wind speed threshold S0. If so, it means that the wind speed has been significantly reduced. Then, determine whether the compressor casing temperature has reached the threshold and execute step S208; otherwise, do not judge the cleanliness of the filter, re-execute the process of the filter dust removal method, and execute step S201.

[0055] Step S208, determine whether the compressor casing temperature T is greater than or equal to the set temperature threshold T0 and continues to rise. If so, it means that the fan cannot meet the cooling demand of the electrical box compartment, and the filter is seriously dirty and blocked. Further measures need to be taken. Execute step S209 to reduce the frequency of the compressor. Otherwise, do not judge the cleanliness of the filter, re-judge and execute step S201.

[0056] Step S209, in order to prevent the compressor from tripping due to overheating, the compressor is operated at a target speed reduced by frq (for example, frq can be set to 5Hz), and then the filter state is set to be dust-removed, and step S210 is executed.

[0057] Step S210: the filter is seriously dirty and clogged, the filter dust removal flag f_clean is set to 1, and the dust removal filter operation is performed when the compressor is stopped, and then the judgment is re-performed to execute step S201.

[0058] Step S211, determine whether the fan on flag fan_on is 1, if so, it means that the fan has been turned on and is running, then execute step S212 to determine whether the fan meets the minimum running time, otherwise, execute step S214, turn off the fan, and reset the fan running time.

[0059] Step S212, in order to speed up the heat dissipation of the cabin, the fan needs to meet the shortest operating time, and determine whether the fan operating time Time is greater than or equal to the set time Time0 (for example, Time0 can be taken as 20 minutes). If so, it means that the fan can be turned off immediately and execute step S213. Otherwise, the fan needs to continue to be turned on and the fan operating time needs to be accumulated, and execute S219.

[0060] Step S213, turning off the fan and resetting the fan operation time Time to zero, then executing step S214 to determine whether the filter needs dust removal.

[0061] Step S214, determine whether the filter dust removal flag f_clean is 1, if it is, it means that the filter needs to be dust-removed, and execute step S215, otherwise, execute step S201 and restart the determination.

[0062] Step S215, start the ultrasonic dust removal device to remove dust on the filter by shaking. At the same time, open the dust box and record the weight M of the dust box. Then execute step S216 to determine whether the dust box is full.

[0063] Step S216, determine whether the dust box weight M is greater than or equal to M0, if so, it means that the dust box is full and needs to be cleaned by the user in time, and execute step S221, otherwise, continue to detect the dust removal progress and execute step S217.

[0064] Step S217, determine whether the difference of M within the △t time is zero. If so, it means that the dust removal is completed, and the filter dust removal flag f_clear is cleared, and then the compressor is restored to the state before dust removal, and step S218 is executed. Otherwise, step S201 is executed and the judgment is restarted.

[0065] In step S218, the filter dust removal flag f_clean is cleared, the dust box is closed, and then step S219 is executed.

[0066] In step S219, the compressor returns to normal operation, and the target speed of the compressor is restored to the state before dust removal, and then step S201 is executed to restart the judgment.

[0067] Step S220 indicates that the fan has not reached the shortest running time, the fan remains on, and the fan running time Time is accumulated. Then, step S201 is executed to restart the judgment.

[0068] Step S221: the dust box is full, and the user is prompted to clean the dust box in time, and then the judgment is restarted and step S201 is executed.

[0069] It should be noted that, while recording the weight M of the dust box, this embodiment can also record the weight change of the dust box, judge the dust removal effect of the filter according to the weight change of the dust box, and then adjust the operating power of the filter dust removal device according to the dust removal effect of the filter. Specifically, it can be achieved through the following preferred implementations: calculating the rate of change during the weight increase of the dust box; judging the dust removal effect of the filter according to the rate of change; wherein, the greater the rate of change, the better the dust removal effect of the filter. Based on this, the weight change rate of the dust box can characterize the dust removal effect of the filter. On the basis of realizing automatic dust removal of the filter, this embodiment can also control the dust removal effect of the filter in real time during the dust removal process, thereby ensuring the best dust removal effect.

[0070] If the dust removal effect of the filter does not meet the preset effect, the operating power of the filter dust removal device is increased; if the dust removal effect of the filter meets the preset effect, the operating power of the filter dust removal device is maintained; wherein, if the rate of change is lower than the preset rate threshold, it indicates that the dust removal effect of the filter does not meet the preset effect. Based on the above preferred embodiment, when the dust removal effect of the filter is not good, the operating power of the filter dust removal device is increased, thereby further improving the dust removal speed and ensuring the dust removal effect of the filter. It should be noted that during the dust removal operation, the rate of change of the filter weight in the initial dust removal time stage will be faster. As the dust on the filter falls off, the rate of change of the filter weight in the next time stage will decrease compared with the rate of change in the previous time stage, and the rate of change of the filter weight in the next time stage will be lower. Therefore, when setting the preset rate threshold, the entire dust removal operation period can be divided into multiple time stages, each time stage corresponds to a preset rate threshold, and the preset rate threshold of the latter time stage is less than the preset rate threshold of the previous time stage. Thereby more clearly and accurately controlling the dust removal effect of different time stages during the entire dust removal operation.

[0071] Example 3

[0072] Corresponds to Figure 1 The filter dust removal method described above, this embodiment provides a filter dust removal device, such as Figure 3 The structural block diagram of the filter dust removal device shown in FIG. 1 includes:

[0073] The detection module 10 is used to detect the wind speed of the fan and the temperature of the compressor casing;

[0074] The judgment module 20 is connected to the detection module 10 and is used to determine that the filter is in a state to be dust-removed when the fan wind speed and the compressor casing temperature meet preset conditions;

[0075] The dust removal module 30 is connected to the judgment module 20 and is used to control the filter dust removal device to perform dust removal operation after the compressor and the fan are stopped;

[0076] The adjustment module 40 is connected to the dust removal module 30, and is used to detect the weight change of the dust collection box during the dust removal operation; judge the dust removal effect of the filter according to the weight change of the dust collection box, and adjust the operating power of the filter dust removal device according to the dust removal effect of the filter.

[0077] The filter dust removal device of this embodiment can implement the filter dust removal scheme of the above-mentioned embodiment. The specific process has been described in detail and will not be repeated here. This embodiment determines whether the filter has reached the state to be dusted based on the fan wind speed and the compressor casing temperature. If the filter is in the state to be dusted, dust is removed after the fans of the compressor are stopped. Thereby achieving the purpose of automatic cleaning of the filter, and the dust removal effect of the filter can also be detected during the dust removal process and adaptively adjusted to ensure a better dust removal effect. It reduces the cost of manual cleaning and improves the dust removal effect.

[0078] This embodiment also provides a refrigeration device, which includes the filter dust removal device introduced above.

[0079] The present invention also provides a refrigeration device, wherein the refrigeration device includes the above-mentioned filter dust removal device. The refrigeration device can be the low-temperature storage box mentioned in the above embodiment, or it can be other refrigeration equipment (such as an air conditioner outdoor unit) with a compressor, a heat dissipation fan, and a filter structure, and can also implement the filter dust removal solution introduced in the above embodiment.

[0080] Example 4

[0081] This embodiment provides an electronic device, which is used in a filter dust removal method, and the electronic device includes: at least one processor; and a memory connected to the at least one processor in communication; wherein:

[0082] The memory stores instructions that can be executed by the one processor, and the instructions are executed by the at least one processor so that the at least one processor can: detect the fan wind speed and the compressor casing temperature; if the fan wind speed and the compressor casing temperature meet preset conditions, determine that the filter is in a state to be dusted; after the compressor and the fan are stopped, control the filter dust removal device to perform a dust removal operation; during the dust removal operation, detect the weight change of the dust box; judge the dust removal effect of the filter according to the weight change of the dust box, and adjust the operating power of the filter dust removal device according to the dust removal effect of the filter.

[0083] Example 5

[0084] The embodiment of the present invention provides a software, which is used to execute the technical solutions described in the above embodiment and preferred implementation manner.

[0085] An embodiment of the present invention provides a non-volatile computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions can execute the filter dust removal method in any of the above method embodiments.

[0086] The above-mentioned software is stored in the above-mentioned storage medium, which includes but is not limited to: a CD, a floppy disk, a hard disk, an erasable memory, etc.

[0087] The serial numbers of the above embodiments of the present invention are only for description and do not represent the advantages or disadvantages of the embodiments.

[0088] In the above embodiments of the present invention, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0089] In the several embodiments provided in this application, it should be understood that the disclosed technical content can be implemented in other ways. Among them, the device embodiments described above are only schematic. For example, the division of the units can be a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of units or modules, which can be electrical or other forms.

[0090] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple units. Some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.

[0091] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0092] The above product can execute the method provided by the embodiment of the present invention, and has the functional modules and beneficial effects corresponding to the execution method. For technical details not described in detail in this embodiment, please refer to the method provided by the embodiment of the present invention.

[0093] The electronic devices of the embodiments of the present invention exist in various forms, including but not limited to:

[0094] (1) Mobile communication devices: These devices are characterized by their mobile communication functions and their main purpose is to provide voice and data communications. These terminals include: smart phones (such as iPhone), multimedia phones, functional phones, and low-end phones.

[0095] (2) Ultra-mobile personal computer devices: These devices fall into the category of personal computers, have computing and processing capabilities, and generally also have mobile Internet access features. These terminals include: PDA, MID and UMPC devices, such as iPad.

[0096] (3) Portable entertainment devices: These devices can display and play multimedia content. They include audio and video players (such as iPods), handheld game consoles, e-books, as well as smart toys and portable car navigation devices.

[0097] (4) Server: A device that provides computing services. The server consists of a processor, hard disk, memory, device bus, etc. The server is similar to the general computer architecture, but because it needs to provide highly reliable services, it has higher requirements in terms of processing power, stability, reliability, security, scalability, manageability, etc.

[0098] (5) Other electronic devices with data interaction functions, such as televisions, large-screen cars, etc.

[0099] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0100] Through the description of the above implementation methods, those skilled in the art can clearly understand that each implementation method can be implemented by means of software plus a necessary general hardware platform, and of course, it can also be implemented by hardware. Based on this understanding, the above technical solution is essentially or the part that contributes to the prior art can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc., including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each embodiment or some parts of the embodiments.

[0101] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A filter dust removal method, characterized in that: The method comprises: Detect fan wind speed and compressor casing temperature; If the wind speed of the fan and the temperature of the compressor casing meet the preset conditions, it is determined that the filter is in a state to be dust-removed; After the compressor and the fan are stopped, the filter dust removal device is controlled to perform dust removal operation; During the dust removal operation, detecting a weight change of the dust box; The dust removal effect of the filter is judged according to the weight change of the dust collecting box, and the operating power of the filter dust removal device is adjusted according to the dust removal effect of the filter.

2. The method according to claim 1, characterized in that The fan wind speed and the compressor casing temperature meet preset conditions, including: The wind speed of the fan is less than or equal to a preset wind speed threshold; The compressor housing temperature is greater than or equal to a preset temperature threshold and continues to increase within a first preset time period.

3. The method according to claim 1, characterized in that After determining that the filter screen is in a state to be dust-removed, the method further includes: Control the compressor to operate at reduced frequency.

4. The method according to claim 1, characterized in that During the dust removal operation, the method further includes: Determine whether the weight of the dust box exceeds a preset weight threshold; If yes, it is determined that the dust box is full and a cleaning prompt message is sent.

5. The method according to claim 1, characterized in that: The method comprises: judging the dust removal effect of the filter according to the weight change of the dust box, and adjusting the operating power of the filter dust removal device according to the dust removal effect of the filter, including: Calculating the rate of change of the dust box weight during the weight increase process; The dust removal effect of the filter is determined according to the change rate; wherein, the greater the change rate, the better the dust removal effect of the filter.

6. The method according to claim 5, characterized in that The operating power of the filter dust removal device is adjusted according to the filter dust removal effect, including: If the dust removal effect of the filter does not meet the preset effect, increasing the operating power of the filter dust removal device; If the dust removal effect of the filter screen meets the preset effect, maintaining the operating power of the filter screen dust removal device; Among them, if the change rate is lower than the preset rate threshold, it indicates that the dust removal effect of the filter does not meet the preset effect.

7. The method according to claim 1, characterized in that After detecting the weight change of the dust box, the method further includes: If the weight of the dust box does not change within the second preset time period, it is determined that the filter is switched from the dust removal state to the normal state, the dust removal operation is exited, and the compressor is controlled to return to the state before performing the dust removal operation.

8. The method according to any one of claims 1 to 7, characterized in that Detection of fan wind speed and compressor casing temperature includes: When the compressor and the fan are both started and the compressor is in the frequency increasing stage, the fan speed and the compressor casing temperature are detected.

9. A filter dust removal device, characterized in that: The device comprises: A detection module, used to detect the wind speed of the fan and the temperature of the compressor casing; A judgment module, used for determining that the filter screen is in a state to be dust-removed when the wind speed of the fan and the temperature of the compressor casing meet preset conditions; The dust removal module is used to control the filter dust removal device to perform dust removal operation after the compressor and the fan are stopped; The adjustment module is used to detect the weight change of the dust collection box during the dust removal operation; judge the dust removal effect of the filter according to the weight change of the dust collection box, and adjust the operating power of the filter dust removal device according to the dust removal effect of the filter.

10. A refrigeration device, characterized in that: The refrigeration equipment includes the filter dust removal device according to claim 9.

11. The refrigeration device according to claim 10, characterized in that: The refrigeration equipment is a low-temperature storage box.

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

13. An electronic device, characterized in that: include: one or more processors; A storage device for storing one or more programs, which, when executed by the one or more processors, enables the one or more processors to implement the method according to any one of claims 1 to 8.

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