Method for determining drying of heat pump type drying apparatus, control device, and heat pump type laundry treatment apparatus

Abstract

The embodiment of the application discloses a drying judgment method, a control device and a heat pump type drying equipment, and belongs to the technical field of clothes processing equipment. The drying judgment method comprises the following steps: in the drying judgment process, the number M of executed drying judgments and the number X of compressor stoppages in the M drying judgment processes are accumulated; the number N of executed drying judgments is determined according to the number M of executed drying judgments and the number X of compressor stoppages; the number Ns of remaining drying judgments is determined according to the preset number N of drying judgments and the number Nz of executed drying judgments; and the drying judgment process is ended after the number Ns of remaining drying judgments is completed. The embodiment can avoid the heat pump type drying equipment running for the longest drying duration in the case that the compressor frequently starts and stops, and reduce energy consumption.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of clothes processing equipment, in particular to a drying judgment method of a heat pump type drying equipment, a control device and a heat pump type clothes processing equipment. BACKGROUND

[0002] The heat pump type drying equipment has the advantages of high drying efficiency and good drying effect, and is more and more favored by consumers. In the heat pump drying process, the compressor is frequently protected due to continuous multiple execution of the drying operation, or due to inaccurate initial outer ring temperature detection during the execution of the drying operation. Frequent compressor shutdown protection will result in too long drying time, affecting the user experience. SUMMARY

[0003] The present application provides a drying judgment method of a heat pump type drying equipment, a control device and a drying judgment method to at least solve the technical problem of too long drying time caused by frequent shutdown protection of the heat pump type drying equipment.

[0004] According to a first aspect of the present application, a drying judgment method of a heat pump type drying equipment is provided, and the drying judgment method comprises:

[0005] In the drying judgment process, the number M of executed drying judgments and the number X of compressor shutdowns in the M drying judgment processes are accumulated;

[0006] The number Nz of converted drying judgments is determined according to the number M of executed drying judgments and the number X of compressor shutdowns;

[0007] The number Ns of remaining drying judgments is determined according to the preset number N of drying judgments and the number Nz of converted drying judgments;

[0008] The drying judgment process is ended after the number Ns of remaining drying judgments is completed.

[0009] According to the present application, the number Nz of converted drying judgments is determined by combining the number M of drying judgments and the number X of compressor shutdowns, and then the number Ns of remaining drying judgments is determined according to the preset number N of drying judgments and the number Nz of converted drying judgments, so as to solve the situation that it is difficult to reach the drying judgment condition due to frequent start and stop of the compressor, or the situation that the drying judgment condition is met but it is difficult to meet the number of drying judgments, and to avoid increasing energy consumption due to the longest drying time of the heat pump type drying equipment.

[0010] In combination with the first aspect, in an optional implementation manner of the present application, the number Nz of converted drying judgments is determined according to the number M of executed drying judgments and the number X of compressor shutdowns, comprising:

[0011] In the case that the number of compressor shutdowns is greater than or equal to the set number of shutdowns X0, the number Nz of converted drying judgments satisfies the formula: Nz=f(M,X).

[0012] Wherein: the greater the compressor shutdown times X, the greater the judged dry times conversion value Nz; the greater the judged dry times M, the greater the judged dry times conversion value Nz.

[0013] In combination with the first aspect, in an optional implementation manner of the embodiment of the present application, after the i-th time of the remaining judged dry times Ns is executed, if the compressor is shutdown, the judged dry times conversion value Nz' is determined again to obtain a remaining judged dry times value Ns', Ns'=N-Nz' wherein Nz'=f((M+i), (X+1));

[0014] The judged dry process is ended after the remaining judged dry times Ns' is completed.

[0015] In combination with the first aspect, in an optional implementation manner of the embodiment of the present application, the judged dry times conversion value Nz satisfies the formula: Nz=f(M, X)=M+(X-X0);

[0016] Wherein: Nz is the judged dry times conversion value, M is the executed judged dry times, X is the compressor shutdown times, X0 is the set shutdown times X0, and X0≥0.

[0017] In combination with the first aspect, in an optional implementation manner of the embodiment of the present application, the judged dry times conversion value Nz satisfies the formula: Nz=f(M, X)=M+(X-X0);

[0018] Wherein: Nz is the judged dry times conversion value, M is the executed judged dry times, X is the compressor shutdown times, X0 is the set shutdown times X0, and X0≥0.

[0019] In combination with the first aspect, in an optional implementation manner of the embodiment of the present application, the judged dry times conversion value Nz determined according to the executed judged dry times M and the compressor shutdown times X further includes:

[0020] In the case that the compressor shutdown times is less than or equal to the set times X0, the judged dry times conversion value Nz=M.

[0021] In combination with the first aspect, in an optional implementation manner of the embodiment of the present application, the remaining judged dry times Ns determined according to the preset judged dry times N and the judged dry times conversion value Nz includes:

[0022] The remaining judged dry times Ns satisfies the formula: Ns=f(N, Nz);

[0023] Wherein: the greater the judged dry times conversion value Nz, the smaller the remaining judged dry times Ns.

[0024] In combination with the first aspect, in an optional implementation of the embodiments of the present application, the remaining dry-out times Ns satisfies the formula: Ns=f(N, Nz)=N-Nz.

[0025] Wherein, N is the preset dry-out times, Nz is the converted value of the dry-out times, and Ns is the remaining dry-out times.

[0026] According to the second aspect of the embodiments of the present application, a control device is provided, which comprises a memory and a processor, the memory stores the dry-out method of the heat pump drying equipment, and the processor is configured to execute the dry-out method of the heat pump drying equipment by using the dry-out method of the heat pump drying equipment according to the first aspect of the embodiments of the present application.

[0027] According to the third aspect of the embodiments of the present application, a heat pump drying equipment is provided, which is operated according to the dry-out method according to the first aspect of the embodiments of the present application, or has the dry-out method of the heat pump drying equipment according to the second aspect of the embodiments of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0028] The above and other objects, features and advantages of the present disclosure will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. The drawings described below are only some embodiments of the present disclosure, and other drawings can be obtained by those of ordinary skill in the art without creative labor based on these drawings.

[0029] Figure 1 is a dry-out flowchart of the heat pump drying equipment provided by the embodiments of the present application.

[0030] Figure 2 is a dry-out flowchart of the heat pump drying equipment according to a specific example of the embodiments of the present application.

[0031] Figure 3 is a structure block diagram of the control device of a specific example of the present application. DETAILED DESCRIPTION

[0032] In order to make the person skilled in the art better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor should be within the scope of protection of the present application.

[0033] It should be understood that the "multiple" mentioned herein refers to two or more. In the description of the embodiments of the present application, unless otherwise specified, " / " represents the meaning of or, for example, A / B can represent A or B; "and / or" herein is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B can represent: A exists alone, A and B exist together, and B exists alone. In addition, in order to clearly describe the technical solutions of the embodiments of the present application, in the embodiments of the present application, the same items or similar items with basically the same function and role are distinguished by using "first", "second" and the like. The skilled in the art can understand that "first", "second" and the like do not limit the quantity and execution order, and "first", "second" and the like do not necessarily mean different.

[0034] In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device containing a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0035] In the related art, the compressor of the heat pump type drying device is frequently started and stopped due to various factors such as abnormal power failure, multi-load high-frequency operation, abnormal ring temperature detection, filter screen blockage, etc. The frequent start and stop of the compressor will directly affect the drying process, and the drying process is generally ended by accumulating the number of drying times to reach the target drying time, which may result in a long drying time and seriously affect the user experience.

[0036] To solve the above technical problems, the present embodiment proposes a drying method for a heat pump type drying device, the drying method comprising:

[0037] In the drying process, the number of executed drying times M and the number of compressor stop times X in M drying processes are accumulated;

[0038] The number of executed drying times M and the number of compressor stop times X are determined to determine the number of drying times conversion value Nz;

[0039] The number of executed drying times M and the number of compressor stop times X are determined to determine the number of drying times conversion value Nz;

[0040] The drying process is ended after the remaining drying times Ns are completed.

[0041] The embodiment combines the number of times of drying judgment and the number of times of compressor shutdown to determine the converted value of the number of times of drying judgment, and then determines the remaining number of times of drying judgment according to the preset number of times of drying judgment and the converted value of the number of times of drying judgment, so as to solve the problem that it is difficult to reach the drying judgment condition due to frequent start and stop of the compressor, or the problem that the drying judgment condition is met but the number of times of drying judgment is difficult to meet, and avoid increasing energy consumption due to the longest drying time of the heat pump type drying equipment. Meanwhile, when the compressor frequently stops for protection, the ideal drying effect cannot be achieved, and the clothes may not be dried, which consumes more electric energy. The embodiment can end the drying in advance by combining the number of times of drying judgment and the number of times of compressor shutdown, and has a certain energy-saving effect.

[0042] The technical solutions of the embodiments will be described in detail below with reference to the drawings. In the case of no conflict, the following embodiments and examples can be combined with each other.

[0043] First, the execution subject of the drying judgment method of the embodiment is described in detail. The drying judgment method of the embodiment is applied to a heat pump type drying equipment. The heat pump type drying equipment can only have a drying function, or can have both a drying function and a washing function.

[0044] The laundry treatment apparatus includes a housing, an outer tub, and a laundry treatment tub. The outer tub is disposed in the housing, and the laundry treatment tub is rotatably disposed in the outer tub. A tub wall of the outer tub is provided with an air outlet, and a door seal is provided at a tub opening of the laundry treatment tub. The door seal is provided with an air inlet, and a tub wall of the laundry treatment tub is provided with a plurality of flow holes for allowing airflow or water flow to flow between the outer tub and the laundry treatment tub.

[0045] The laundry treatment apparatus further includes an air duct assembly disposed in a space between the housing and the outer tub, preferably disposed above the outer tub. The air duct assembly includes an air inlet duct, an air outlet duct, and a fan. The air outlet duct communicates the air outlet with an air inlet end of the fan, and the air inlet duct communicates an air outlet of the fan with the air inlet.

[0046] The laundry treatment apparatus further includes a heat pump system. The heat pump system includes a compressor, an evaporator, a throttling device, and a condenser. The compressor is disposed in a space between the housing and the outer tub, preferably at the bottom of the outer tub. The evaporator and the condenser are integrally disposed in a two- vessel box body between the fan and the air inlet duct, and the condenser is disposed close to the air inlet duct. The compressor, the condenser, the throttling device, and the evaporator are connected in sequence to form a refrigerant circulation loop.

[0047] The laundry treatment apparatus further includes a first temperature detection device and a second temperature detection device. The first temperature detection device is used to detect the air inlet temperature of the laundry treatment tub, and is preferably disposed at the air inlet. The second temperature detection device is used to detect the air outlet temperature of the laundry treatment tub, and is preferably disposed at the air outlet.

[0048] The drying judgment method of the present embodiment will be described in detail below.

[0049] In combination with the drying flow chart, the present embodiment provides a drying judgment method for a heat pump drying device, which comprises the following steps: Figure 1

[0050] S11. In the drying judgment process, the number of executed drying judgments M and the number of compressor stoppages X in the M drying judgments are accumulated.

[0051] Specifically, in the process of executing a drying program by the heat pump clothes treatment device, the drying parameters are monitored and analyzed in real time to ensure that the clothes treatment device can efficiently and accurately complete the drying task. These drying parameters mainly include the inlet air temperature, outlet air temperature and / or drum humidity, etc. Through continuous monitoring of these parameters, the device can determine whether the clothes have reached the ideal dry state. Specifically, when the drying parameters such as inlet air temperature, outlet air temperature and / or drum humidity reach the preset drying judgment conditions, the drying judgment process is entered.

[0052] In the drying judgment process, the number of executed drying judgments M is accumulated, and the number of drying judgments M is related to the number of times the drying parameters reach the preset drying judgment conditions, i.e. the number of drying judgments M is accumulated once every time the drying parameters reach the preset drying judgment conditions. For example, in the process of drying clothes, the inlet air temperature and outlet air temperature of the clothes treatment drum are obtained, and the inlet and outlet air temperature difference is determined according to the inlet air temperature and outlet air temperature. In the case where the inlet and outlet air temperature difference reaches the drying temperature difference, it is determined that the preset drying condition is reached. In the subsequent drying program, the inlet and outlet air temperature difference reaches the drying temperature difference once, and the number of drying judgments M is accumulated once.

[0053] Because the clothes treatment device may be frequently started and stopped due to problems such as abnormal power failure, multi-load high-frequency operation, abnormal ring temperature detection, and filter screen blockage during the drying process, and the frequent start and stop of the compressor will cause the drying time to be too long. The present embodiment also accumulates the number of compressor stoppages X, and combines the number of drying judgments M with the number of compressor stoppages X to determine the remaining number of drying judgments that need to be executed, so as to solve the problem that it is difficult to reach the drying condition due to frequent start and stop of the compressor, or the problem that the drying condition is met but it is difficult to meet the number of drying judgments, and avoid the drying time being too long.

[0054] S12. Determine the drying judgment number conversion value Nz according to the number of executed drying judgments M and the number of compressor stoppages X.

[0055] ​Specifically, after the determination of the number of drying times M and the number of compressor stop times X, the number of drying times conversion value Nz can be determined according to the number of drying times M and the number of compressor stop times X. The determination method of the number of drying times conversion value Nz can be related to the number of compressor stop times, or can be a function of the number of drying times M and the number of compressor stop times X, which is not limited here. After the determination of the number of drying times conversion value Nz, the remaining number of drying times Ns can be determined in combination with the preset number of drying times in the subsequent step.

[0056] S13, determining the remaining number of drying times Ns according to the preset number of drying times N and the number of drying times conversion value Nz.

[0057] Specifically, after the determination of the number of drying times conversion value Nz, the subsequent comprehensive judgment can be performed by combining the preset number of drying times stored in the control device of the clothes treatment equipment. The number of drying times of the clothes treatment equipment can be effectively controlled to automatically end the drying process after reaching the preset number of drying times, avoiding the problem of too long drying time and waste of energy consumption caused by frequent compressor stop.

[0058] S14, ending the drying process after completing the remaining number of drying times Ns.

[0059] After the determination of the remaining number of drying times Ns, the drying process can be ended when the number of drying times executed reaches the remaining number of drying times Ns.

[0060] In an optional implementation, the determination method of the number of drying times conversion value Nz is different according to the number of compressor stop times.

[0061] In an example, the number of drying times conversion value Nz is determined according to the number of drying times M and the number of compressor stop times X, including: in the case that the number of compressor stop times X is greater than the set number of stop times X0, the number of drying times conversion value Nz satisfies the formula: Nz=f(M,X), wherein the greater the number of compressor stop times X, the greater the number of drying times conversion value Nz; the greater the number of drying times M, the greater the number of drying times conversion value Nz. Exemplarily, the number of drying times conversion value Nz satisfies the formula: Nz=f(M,X)=M+(X-X0); wherein: Nz is the number of drying times conversion value, M is the number of drying times executed, X is the number of compressor stop times, X0 is the set number of stop times X0, X0≥0. Preferably, the number of drying times conversion value Nz=M+(X-1).

[0062] In another example, the number of drying times conversion value Nz is determined according to the number of drying times M and the number of compressor stop times X, and further includes: in the case that the number of compressor stop times is less than or equal to the set number of times X0, the number of drying times conversion value Nz=M.

[0063] The determination of the converted number of dry judging Nz from the number of dry judging M and the number of compressor shutdown X is not limited to the above-mentioned example. In other possible implementations, the number of compressor shutdown can be converted into one number of dry judging each time, i.e., Nz=M+X; or the number of compressor shutdown multiplied by a preset coefficient k1 and then converted into one number of dry judging, i.e., Nz=M+k1*X, 0

[0064] Further preferably, after the i-th number of remaining dry judging Ns is performed, if the compressor is shutdown, the converted number of dry judging Nz is determined again to obtain Nz' and the number of remaining dry judging Ns' is obtained, Ns'=N-Nz', wherein Nz'=f((M+i), (X+1)), and then the dry judging process is completed after the number of remaining dry judging Ns' is performed. In this embodiment, the converted number of dry judging Nz is calculated again each time the compressor is shutdown during the dry judging process, so that the converted number of dry judging Nz can be updated in real time according to the number of compressor shutdown X, and the influence of frequent shutdown of the compressor on the dry judging time is further reduced.

[0065] In an optional implementation, the number of remaining dry judging Ns is determined according to the preset number of dry judging N and the converted number of dry judging Nz, and includes that the number of remaining dry judging Ns satisfies the formula: Ns=f(N, Nz); wherein the greater the converted number of dry judging Nz is, the smaller the number of remaining dry judging Ns is.

[0066] For example, the number of remaining dry judging Ns satisfies the formula: Ns=f(N, Nz)=N-Nz; wherein N is the preset number of dry judging, Nz is the converted number of dry judging, and Ns is the number of remaining dry judging.

[0067] The determination of the number of remaining dry judging Ns from the preset number of dry judging N and the converted number of dry judging Nz is not limited to the above-mentioned example. In other possible implementations, the converted number of dry judging Nz can be multiplied by a preset coefficient k2 and then combined with the preset number of dry judging N to determine the number of remaining dry judging Ns, i.e., Ns=N-k2*Nz, 0

[0068] The dry judging method of this embodiment will be described in detail below in combination with a specific example.

[0069] In combination with the dry judging flowchart of Figure 2 , the dry judging method includes the following steps:

[0070] S21, the drying program starts, and S22 is entered;

[0071] S22, the temperature difference between the inlet air temperature and the outlet air temperature reaches the dry judging temperature difference, and S23 is entered;

[0072] S23, judging whether the compressor is stopped, if yes, executing step S26; if no, executing step S24;

[0073] S24, accumulating the number of times that the temperature difference between the inlet air temperature and the outlet air temperature reaches the drying temperature difference, and keeping running, entering S25;

[0074] S25, judging whether the number of times M meets the preset drying number of times N, if yes, the drying judgment is ended; if no, returning to step S24;

[0075] S26, accumulating the drying judgment number of times M that the temperature difference between the inlet air temperature and the outlet air temperature reaches the drying temperature difference, entering S27;

[0076] S27, judging whether the number of times that the compressor is stopped is greater than or equal to 2, if yes, executing step S28, if no, executing step S211;

[0077] S28, when the number of times that the compressor is stopped is greater than or equal to 2, accumulating +1 to the drying judgment number of times M every time the compressor is stopped, entering S29;

[0078] S29, the temperature difference between the inlet air temperature and the outlet air temperature reaches the drying temperature difference or the compressor is stopped, entering S210;

[0079] S210, judging whether the drying judgment number of times meets N-M-(X-1) times, if yes, the drying judgment is ended, if no, returning to S29;

[0080] S211, the temperature difference between the inlet air temperature and the outlet air temperature again reaches the drying temperature difference after the compressor is restarted, entering S212;

[0081] S212, judging whether it meets the drying judgment number of times (N-M) times, if yes, the drying judgment is ended; if no, returning to step S211.

[0082] In general, the drying judgment method of the embodiment, by accumulating the drying judgment number of times M, and optimizing the problem of too long drying time caused by frequent start-stop of the compressor, for example, the compressor is frequently protected to start and stop due to factors such as abnormal power failure, high-frequency operation of multiple loads, and incorrect detection of ambient temperature, the accumulated drying judgment number of times M and the number of times that the compressor is stopped X can be combined to determine the converted value Nz of the drying judgment number of times, and then the remaining drying judgment number of times Ns needed to be executed is determined according to the preset drying judgment number of times N and the converted value Nz of the drying judgment number of times, and finally only the remaining drying judgment number of times needs to be executed to end the drying, thereby effectively avoiding the problem of too long drying time or even unable to complete the drying caused by frequent stop of the compressor.

[0083] In the above embodiments of the present application, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments. The steps shown in the related flowcharts can be executed in a computer system such as a set of computer executable instructions, and although the logical order is shown in the flowcharts, in some cases, the steps shown or described can be executed in an order different from here. In other words, the order of the steps described in the foregoing embodiments is only an example, and reasonable adjustment of the order of the steps based on the content of the embodiments of the present application is also within the protection scope of the embodiments of the present application.

[0084] The embodiments of the present application also provide a control device, comprising a memory and a processor, the memory stores the drying judgment method of the heat pump drying equipment, and the processor is used to execute the drying judgment method of the heat pump drying equipment.

[0085] Specifically, as shown in the figure, Figure 3 The control device comprises a processor 100, at least one communication bus 200, a user interface 300, at least one external communication interface 400 and a memory 500. Among them, the communication bus 200 is configured to realize the connection communication between these components. Among them, the user interface 300 can include a display screen, and the external communication interface 400 can include a standard wired interface and a wireless interface. Among them, the memory 500 stores the drying judgment method of the heat pump drying equipment. Among them, the processor 100 is used to execute the drying judgment method of the heat pump drying equipment stored in the memory 500 by using the above method.

[0086] The description of the above control device is similar to the description of the above method embodiments, and has similar beneficial effects as the method embodiments. For technical details not disclosed in the control device of the present application, please refer to the description of the method embodiments of the present application for understanding.

[0087] The embodiments also provide a heat pump drying equipment, which is operated according to the drying judgment method proposed above or has the control device proposed above. The specific structure of the heat pump drying equipment of the embodiments has been described in detail in the execution subject of the drying judgment method, and will not be repeated here.

[0088] The order or introduction of the embodiments of the present application is only for description, not representing the advantages and disadvantages of the embodiments.

[0089] In several embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other manners. Of course, the described unit embodiments are merely illustrative. For example, the division of the units can be different; for example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the displayed or discussed mutual couplings or direct couplings or communication connections can be implemented by using some interfaces, and the indirect couplings or communication connections can be implemented in electronic, mechanical, or other forms.

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

[0091] In addition, each functional unit in the various embodiments of the present application can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit. The integrated unit can be implemented in the form of hardware or in the form of a software functional unit.

[0092] In the above embodiments, all or part can be implemented by software, hardware, firmware, or any combination thereof. When implemented by software, all or part can be implemented in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed by a computer, the computer instructions generate all or part of the processes or functions described in the embodiments of the present application. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices. The computer instructions can be stored in a computer-readable storage medium or transferred from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions can be transferred from one website, computer, server, or data center to another website, computer, server, or data center through wired (for example: coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (for example: infrared, wireless, microwave, etc.) mode. The computer-readable storage medium can be any available medium accessible by a computer, or a data storage device such as a server, data center, etc. integrated with one or more available media. The available media can be a magnetic medium (for example: floppy disk, hard disk, magnetic tape), an optical medium (for example: digital versatile disc (DVD)), or a semiconductor medium (for example: solid state disk (SSD)), etc. It should be noted that the computer-readable storage medium mentioned in the embodiments of the present application can be a non-volatile storage medium, in other words, it can be a non-transitory storage medium.

[0093] It should be noted that the information (including but not limited to user device information, user personal information, etc.), data (including but not limited to data for analysis, stored data, displayed data, etc.), and signals involved in the embodiments of the present application are all authorized by the user or fully authorized by all parties, and the collection, use, and processing of related data need to comply with relevant laws, regulations, and standards of relevant countries and regions. For example, the scene data of the current frame in the three-dimensional virtual scene, the device information of the client, and the scene interaction information involved in the embodiments of the present application are all obtained under sufficient authorization.

[0094] The above only describes the preferred embodiments of the present application. It should be noted that for those skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, which should also be considered within the scope of protection of the present application.

Claims

1. A method for determining the dryness of a heat pump drying device, characterized in that, The interference detection method includes: During the interference process, the cumulative number of interference attempts M and the number of compressor shutdowns X during the M interference attempts are recorded. The converted value Nz of the number of times the interference has been performed is determined based on the number of interferences M and the number of times the compressor has stopped X. The remaining number of intervention attempts Ns is determined based on the preset number of intervention attempts N and the converted value of the number of intervention attempts Nz. The interference process ends after completing the remaining Ns of interference attempts. The step of determining the converted value Nz of the number of interference tests based on the number of interference tests M and the number of compressor shutdowns X includes: When the number of compressor shutdowns exceeds the set number of shutdowns X0, the calculated value Nz of the number of shutdowns has been processed satisfies the formula: Nz = f(M, X); where: the larger the number of compressor shutdowns X, the larger the calculated value Nz of the number of shutdowns has been processed; the larger the number of shutdowns M that have been processed, the larger the calculated value Nz of the number of shutdowns has been processed. If the number of compressor shutdowns is less than or equal to the set number X0, the calculated value of the number of shutdowns is Nz=M.

2. The method for determining dryness of the heat pump drying equipment according to claim 1, characterized in that, After the i-th iteration of the remaining number of interference tests Ns, if the compressor stops, the converted value of the number of interference tests is re-determined to obtain Nzˊ and the remaining number of interference tests Nsˊ is obtained, Nsˊ=N-Nzˊ where Nzˊ=f((M+i),(X+1)); The interference process ends after completing the remaining Nsˊ interference attempts.

3. The method for determining dryness of the heat pump drying equipment according to claim 1, characterized in that, The converted value Nz of the number of times the interference has been judged satisfies the formula: Nz=f(M,X)=M+(X-X0); Where: Nz is the converted value of the number of times the interference has been detected, M is the number of times the interference has been executed, X is the number of times the compressor has stopped, X0 is the set number of stops X0, and X0≥0.

4. The method for determining dryness in the heat pump drying equipment according to claim 2, characterized in that, The converted value of the number of times the problem has been identified is Nz = M + (X-1); Where: Nz is the converted value of the number of times the interference has been detected, M is the number of times the interference has been executed, and X is the number of times the compressor has stopped.

5. The method for determining dryness of the heat pump drying equipment according to any one of claims 1-4, characterized in that, The step of determining the remaining number of interception attempts Ns based on the preset number of interception attempts N and the converted value Nz of the number of interception attempts includes: The remaining number of intervention attempts Ns satisfies the formula: Ns=f(N,Nz); Among them, the larger the converted value of the number of times the interference has been detected, Nz, the smaller the number of remaining interferences, Ns.

6. The method for determining dryness in the heat pump drying equipment according to claim 5, characterized in that, The remaining number of intervention attempts Ns satisfies the formula: Ns=f(N,Nz)=N-Nz; Where: N is the preset number of interference attempts, Nz is the converted value of the number of interference attempts already made, and Ns is the remaining number of interference attempts.

7. A control device comprising a memory and a processor, wherein the memory stores a drying method for a heat pump drying device, and the processor is configured to employ the drying method for a heat pump drying device as described in any one of claims 1-6 when executing the drying method for the heat pump drying device.

8. A heat pump drying device, wherein the heat pump drying device operates according to the drying method according to any one of claims 1-6, or has the control device according to claim 7.

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