CN117491758A

CN117491758A - Fault detection method and device, readable storage medium and aerosol atomization device

Info

Publication number: CN117491758A
Application number: CN202210879883.2A
Authority: CN
Inventors: 窦恒恒
Original assignee: Shenzhen Maishi Technology Co Ltd
Current assignee: Shenzhen Maishi Technology Co Ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2024-02-02
Also published as: WO2024022034A1

Abstract

The application provides a fault detection method and a device thereof, a readable storage medium and an aerosol atomization device, wherein the fault detection method is applied to the aerosol atomization device, the aerosol atomization device comprises a heating device for heating an atomized aerosol generation matrix, and the fault detection method comprises the following steps: acquiring a first resistance value of the heating device, wherein the first resistance value is a resistance value of the heating device in a steady state of a resistor in the running process; acquiring a second resistance value of the heating device in the current operation process; and determining that the aerosol atomization device is in a fault state according to the first resistance value and the second resistance value. The detection method and the detection device realize the detection of whether the heating device has faults or not in the current operation process, avoid the adverse effect on aerosol generation caused by the faults of the heating device, and compared with the detection mode in the related art, the detection method and the detection device adopt the first resistance value of electrons in the steady state to detect, and improve the detection accuracy.

Description

Fault detection method and device, readable storage medium and aerosol atomization device

Technical Field

The present application relates to the field of aerosol atomization technology, and in particular, to a fault detection method and apparatus thereof, a readable storage medium, and an aerosol atomization apparatus.

Background

In the existing aerosol atomization device, an aerosol generating substrate is heated and atomized through a heating device to generate aerosol, when the aerosol generating substrate is nearly exhausted, the continuous heating of the aerosol generating substrate by the heating device can cause the temperature of the aerosol generating substrate to be too high, so that the temperature exceeds the upper limit temperature of reasonable atomization of the aerosol, and the quality of the generated aerosol is adversely affected, so that the bad state needs to be detected.

In the prior art, whether the aerosol atomization device is in a bad state is judged by comparing the resistance value of the heating device in the current state with a preset resistance threshold value or comparing the resistance change value of the heating device in the heating process with a preset change threshold value, but the method has the misjudgment condition, so that the detection accuracy is affected.

Therefore, how to design a detection method capable of effectively solving the above technical problems becomes a technical problem to be solved urgently.

Disclosure of Invention

The present application aims to solve at least one of the technical problems existing in the prior art or related technologies.

To this end, a first aspect of the present application proposes a fault detection method.

A second aspect of the present application proposes a fault detection device.

A third aspect of the present application proposes a fault detection device.

A fourth aspect of the present application proposes a readable storage medium.

A fifth aspect of the present application proposes an aerosol atomizing device.

In view of this, a first aspect of the present application proposes a fault detection method applied to an aerosol-generating device, the aerosol-generating device comprising heating means for heating an aerosol-generating substrate, the fault detection method comprising: acquiring a first resistance value of the heating device, wherein the first resistance value is a resistance value of the heating device in a steady state of a resistor in the running process; acquiring a second resistance value of the heating device in the current operation process; and determining that the aerosol atomization device is in a fault state according to the first resistance value and the second resistance value.

The fault detection method defined by the application can detect faults of the aerosol atomization device, and the aerosol atomization device comprises a heating device, and the heating device heats and atomizes an aerosol generating substrate in the aerosol atomization device to enable the aerosol generating substrate to generate aerosol. The fault detection method is characterized in that a first resistance value and a second resistance value of the heating device are respectively obtained, and whether the aerosol atomization device is in a fault state is judged by comparing the first resistance value and the second resistance value.

It should be noted that the first resistance is a steady-state resistance of the heating device, where the first resistance includes a steady-state resistance in a historical operation record, i.e., a historical steady-state resistance. The first resistance value also includes a steady state resistance value during the current operation, i.e., a current steady state resistance value. In the process that the heating device is in the running state, the resistance of the heating device is influenced by the temperature of the heating device, the resistance can quickly rise in the running starting stage, then the steady state is maintained, and the resistance in the steady state is the steady state resistance.

The second resistance value refers to the resistance value of the heating device during the heating process in which the lower heating device is operated.

Specifically, in the operation process of the aerosol atomization device, a first resistance value of the heating device in a steady-state stage is read, and a second resistance value in the current operation process is obtained. And detecting whether the aerosol atomization device has faults according to the first resistance and the second resistance.

Wherein, the fault of the aerosol atomization device comprises hardware fault and also comprises that the residual quantity of the aerosol atomization matrix is too small. Because the surplus of the aerosol atomization device is too small, or the hardware of the aerosol atomization device fails, the resistance value of the heating device can be greatly changed, and the aerosol atomization device can be accurately detected by comparing the second resistance value in the current operation process with the first resistance value of the heating device in the steady state stage.

According to the fault detection method, whether the aerosol generating device has faults or not is detected according to the first resistance value of the resistor of the heating device in a steady state in the operation process of the sol atomizing device and the second resistance value of the resistor in the current operation process, whether the faults exist in the current operation process of the heating device or not is detected, adverse effects on aerosol generation caused by the faults of the heating device are avoided, and compared with the detection mode in the related art, the fault detection method has the advantages that the first resistance value of the resistor in the steady state is adopted for detection, and detection accuracy is improved.

In addition, the fault detection method in the above embodiment provided by the present application may further have the following additional technical features:

in the above technical solution, the first resistance is a resistance of the resistor in a steady state in the history running record, and the obtaining the first resistance of the heating device includes: determining a first steady-state phase in the historical operating record; acquiring a plurality of third resistance values in the first steady-state stage; determining a first resistance according to the third resistance; wherein the first resistance value includes any one of: an arithmetic average of the plurality of third resistance values, a median of the plurality of third resistance values, a rolling average of the plurality of third resistance values.

It should be noted that, under the condition that the aerosol atomization device has a history running record, a steady state resistance value in the history record, that is, the first resistance value is a history steady state resistance value, is obtained.

In the technical scheme, according to the plurality of third resistance values of the heating device in the first steady-state stage in the historical operation record, the first resistance value corresponding to the first steady-state stage can be determined.

It should be noted that, the first steady-state stage is an operation stage in which the resistance value of the heating device is in a steady state in the historical operation record, that is, the change value of the resistance value of the heating device in the first steady-state stage is smaller than the change threshold value. The third resistance is the resistance of the heating device in the first steady-state stage. The first resistance value may be a rolling average value, an arithmetic average value or a median of the plurality of third resistance values, which are not limited herein, and may be selected according to actual requirements.

According to the method and the device, the first resistance corresponding to the history record can be determined according to the third resistances in the first steady-state stage, and the first resistance can represent the resistance of the heating device in the first steady-state stage because the first resistance can be selected as the arithmetic average value, the rolling average value or the median of the third resistances, so that the accuracy of judging whether the aerosol atomization device has faults or not according to the first resistance and the second resistance is ensured.

In any of the above solutions, determining a first steady-state phase in the historical operating record includes: acquiring a first starting time and a first ending time of a historical operation record; determining a second starting time according to the first starting time and the first preset time, wherein the second starting time is the starting time of the first steady-state stage; determining a second end time according to the first end time and a second preset time, wherein the second end time is the end time of the first steady-state stage; and determining a first steady-state stage according to the second starting time and the second ending time.

In this technical solution, during the determination of the first steady-state phase in the history, the complete operational phase in the history is read. And selecting a first steady-state stage in the complete operation stage according to the first preset time length and the second preset time length.

The first preset duration is the duration that the heating device reaches the first steady-state stage from the first starting moment. The second preset time period is the time period that the heating device takes from ending the first steady-state phase to ending the heating process.

Specifically, according to the first preset duration and the first starting time of the complete operation phase in the history, the second starting time can be determined, and the second starting time is later than the first starting time. And determining a second end time according to the second preset time length and the first end time of the complete operation stage in the historical operation record, wherein the second end time is earlier than the first end time.

According to the method and the device, the first steady-state stage in the complete operation stage in the historical operation record can be accurately determined through the preset first preset time length and the second preset time length, the steady-state resistance values of the first resistance values in the historical operation record are ensured, and the accuracy of judging whether the aerosol atomization device has faults or not is improved.

In any of the above solutions, determining a first steady-state phase in the historical operating record includes: determining a resistance change curve according to the fourth resistance and the historical operation time length of the historical operation records; taking the moment when the curve slope of the resistance change curve reaches the preset slope as a third starting moment, wherein the third starting moment is the starting moment of the first steady-state stage; acquiring a third end time of the historical operation record; determining a fourth end time according to the third end time and the third preset time, wherein the fourth end time is the end time of the first steady-state stage; and determining a first steady-state stage according to the third starting time and the fourth ending time.

In the technical scheme, a plurality of fourth resistance values in the historical operation records and historical operation duration of the historical operation records are obtained, and a resistance change curve is drawn according to the fourth resistance values and the historical operation duration of the historical operation records. And when the curve slope of the resistance change curve changes along with time and the curve slope reaches the preset slope, taking the moment corresponding to the curve slope as a third starting moment. And determining a fourth ending time according to the third ending time and the third preset time, wherein the fourth ending time is before the third ending time. And taking the operation phase between the third starting time and the fourth ending time as a first steady-state phase.

According to the method, whether the heating device operates to the first steady-state stage or not is accurately judged by drawing the resistance change curve of the historical operation record and based on the curve slope of the resistance change curve, namely, the third starting moment is determined. And determining a fourth end time of the first steady-state stage through a third end time and a third preset time of the historical operation record, so that the starting and ending time points of the first steady-state stage are accurately determined, and the accuracy of determining the first steady-state stage is further improved. In any of the above technical solutions, the number of the history running records is a plurality of, and the number of the first resistance values is the same as the number of the history running records; according to the first resistance and the second resistance, determining that the aerosol atomization device is in a fault state comprises: performing difference calculation on each first resistance value and each second resistance value in the plurality of first resistance values to obtain a plurality of first resistance value difference values; determining a plurality of first preset differences corresponding to the first resistance values, wherein the first preset differences correspond to the operation moments of the heating device corresponding to the first resistance values; and determining that the aerosol atomization device is in a fault state based on the fact that any one of the plurality of first resistance difference values is larger than a corresponding first preset difference value.

In the technical scheme, under the condition that a plurality of historical operation records exist in the aerosol atomization device, whether the aerosol atomization device is in a fault state is judged according to a plurality of resistance difference values of a plurality of first resistance values and a plurality of second resistance values.

Under the condition that a plurality of history operation records exist in the aerosol atomization device, first resistance values in each history operation record are obtained, the number of the first resistance values is also a plurality of, and the number of the first resistance values is the same as the number of the history operation records. And respectively carrying out difference calculation on the plurality of first resistance values and the second resistance value to obtain a plurality of first resistance value difference values, and comparing the plurality of first resistance value difference values with corresponding first preset difference values. And under the condition that any one of the first resistance difference values is larger than the corresponding first preset difference value, judging that the aerosol atomization device has faults.

It should be noted that the first preset difference value is a preset value preset in advance, and the first preset difference value corresponds to operation moments of the heating device corresponding to the plurality of first resistance values. Specifically, when the first preset difference values are set, a plurality of first preset difference values are associated and corresponding to historical operation moments with different durations from the current operation moment.

The number of first preset differences is illustratively a, b, c. Setting a first preset difference value a corresponding to the historical operation time closest to the current operation time, and setting different historical operation times corresponding to the first preset difference values b and c according to the relationship that the duration from the current operation time is from short to long.

According to the fault detection method, the plurality of historical operation records and the corresponding first resistance values are set, the first resistance value difference value between each first resistance value and each second resistance value is calculated respectively, the plurality of first resistance value difference values are compared with the corresponding first preset difference value, and faults are judged to exist under the condition that the first resistance value difference value larger than the corresponding first preset difference value exists in the plurality of first resistance value difference values, so that the detection of the working state of the aerosol atomization device and the judgment of whether the aerosol atomization device is in the fault state are realized, the detection tolerance is improved, the influence of errors on the detection method is avoided, and the accuracy of the detection method is further improved.

In any of the above technical solutions, obtaining a plurality of first preset differences corresponding to the plurality of first resistance values includes: acquiring a first preset difference sequence, wherein the first preset difference sequence comprises a plurality of first preset differences; acquiring the running time of a historical running record corresponding to each first resistance value in the plurality of first resistance values; sequencing the first resistance values according to the operation moments to obtain a first resistance value sequence; and establishing a mapping relation between the first preset difference value sequence and the first resistance value sequence to determine a first preset difference value corresponding to each first resistance value.

It should be noted that, the first preset difference is obtained by setting the aerosol atomization device in advance before leaving the factory, so the number of the first preset difference is a fixed number. The first resistance is a resistance of a first steady-state stage in the history running record, namely the first resistance corresponds to the history running record, and when the number of the history running records is a plurality of, the number of the first resistance is a plurality, and the number of the history running records is the number of actual running times of the aerosol atomizing device, so the number of the first resistance is the change number.

The first preset difference value sequence is a sequence which is obtained by arranging a plurality of first preset difference values according to the magnitude relation. The first resistance sequence is a sequence obtained by arranging the operation moments of the historical operation records corresponding to the first resistance. After the corresponding relation between the first preset difference value sequence and the first resistance value sequence is established, the first preset difference value corresponding to each first resistance value can be determined.

Specifically, when the number of the first preset differences in the first preset difference sequence is greater than or equal to the number of the first resistances in the first resistance sequence, a corresponding first preset difference is set for each first resistance. And under the condition that the number of the first preset differences in the first preset difference sequence is smaller than the number of the first resistance values in the first resistance value sequence, setting corresponding first preset differences for part of the first resistance values, and ensuring that each first preset difference corresponds to one first resistance value.

The first preset difference sequence includes five first preset differences, A, B, C, D, E respectively. The first resistance sequence comprises three first resistances a, b and c respectively. Corresponding first preset difference values are respectively set for three first resistance values in the first resistance value sequence, wherein a corresponds to A, B corresponds to B, and C corresponds to C. Along with the increase of the number of the historical operation records, the first resistance sequence comprises six first resistances which are a, B, C, E, f, g respectively, and corresponding first preset differences are respectively set for the five first resistances in the first resistance sequence, wherein B corresponds to A, C corresponds to B, E corresponds to C, f corresponds to D, and g corresponds to E.

In the method, corresponding first preset difference values are configured for the plurality of first resistance values through the preset difference value sequence which is set in advance, and under the condition that historical operation records are increased, the first resistance values corresponding to the plurality of first preset difference values can be updated, so that accuracy of obtaining the first preset difference values corresponding to the first resistance values is improved.

In any of the above solutions, a time difference between a running time corresponding to the first resistance value and a current time is positively correlated with a first preset difference corresponding to the first resistance value.

In this embodiment, the resistance value of the heating device gradually increases as the heating device operates, due to the physical characteristics of the heating device. The shorter the first preset difference in the first difference sequence, the closer the running time of the historical running record of the corresponding first resistance is to the current time.

According to the method and the device, the accuracy of obtaining the first preset difference value corresponding to the first resistance value can be improved by setting the relation between the first resistance value and the first difference value sequence.

In any one of the above technical solutions, the first resistance is a resistance of the resistor in a steady state in the current operation process;

acquiring a first resistance value of the heating device, including: obtaining a plurality of fifth resistance values of the heating device in the current operation process, wherein the fifth resistance values are resistance values of a steady-state stage in the current operation process; determining a first resistance according to the fifth resistance;

wherein the first resistance value includes any one of: an arithmetic average of the plurality of fourth resistance values, a median of the plurality of fourth resistance values, a rolling average of the plurality of fourth resistance values.

It should be noted that, under the condition that the aerosol atomization device does not have a history running record, the steady state resistance value in the current running process, namely, the first resistance value is the current steady state resistance value.

In the technical scheme, in the process of acquiring the first resistance value (the current steady-state resistance value), a plurality of fifth resistance values of the heating device in the current operation process are acquired, wherein the fifth resistance values are the resistance values of the heating device in the steady-state operation stage.

And when the current running process of the electronic equipment is determined to enter a steady-state stage, acquiring a fifth resistance value in the steady-state stage, and determining a current steady-state resistance value (first resistance value) based on the fifth resistance value.

The first resistance value may be a rolling average value, an arithmetic average value or a median of the fifth resistance values, which are not limited herein, and may be selected according to actual requirements.

According to the method and the device, the first resistance in the current running process can be determined according to the plurality of fifth resistances in the current steady-state stage, and the first resistance can represent the resistance of the heating device in the steady-state stage in the current running process because the first resistance can be selected as the arithmetic average value, the rolling average value or the median of the plurality of fifth resistances, so that the accuracy of judging whether the aerosol atomization device has faults or not according to the first resistance and the second resistance is ensured.

In any of the above embodiments, obtaining a plurality of fifth resistance values of the heating device at a steady state stage during a current operation includes:

Acquiring a fifth starting moment, a current running moment and a current running time in the current running process;

under the condition that the current running time length is longer than the fourth preset time length, determining a sixth starting time according to the fifth starting time and the fourth preset time length, wherein the sixth starting time is the starting time of a steady-state stage in the current running process;

determining a sixth ending time according to the current running time and a fifth preset time length;

and when the sixth ending time is later than the sixth starting time, acquiring a plurality of fifth resistance values from the sixth starting time to the sixth ending time.

The fourth preset time period is the time period for the heating device to reach the steady-state operation stage from the fifth starting moment. Under the condition that the current running time length is longer than the fourth preset time length, determining that the heating device enters a steady-state stage, and determining a sixth starting time according to a fifth starting time and the fourth preset time length in the current running process, wherein the sixth starting time is the starting time of the steady-state stage.

Since the current running time is after the steady-state stage starting time, whether the running will be stopped immediately after the current running time cannot be determined, and in order to eliminate interference, the interference condition in a period of time before the current running time needs to be eliminated, that is, the sixth ending time needs to be determined according to the current running time and the fifth preset time length. And when the sixth ending time is later than the sixth starting time, indicating that the running time of the steady-state stage in the current running process is greater than zero, and taking the running stage from the sixth starting time to the sixth ending time as the steady-state running stage.

After determining the steady-state operating phase during the current operation, a plurality of fifth resistance values in the steady-state operating phase during the current operation are obtained.

It should be noted that, if the current operation duration is less than or equal to the fourth preset duration, it is indicated that the current operation process does not enter the steady state stage, and the first resistance value cannot be determined according to the current operation process. If the sixth end time is earlier than the sixth start time, it is stated that the current operating process has entered the steady state phase, but in order to exclude disturbances, the steady state phase operating time is regarded as zero, in which case the first resistance value cannot be determined from the current operating process either.

According to the method and the device, the steady-state operation stage in the current operation process can be accurately determined through the preset fourth preset time length and the preset fifth time length, and the first resistance value in the steady-state stage is determined according to the obtained multiple fifth resistance values in the stage, so that the accuracy of determining the first resistance value is improved.

determining a resistance change curve according to a plurality of sixth resistance values and the running time of the current running process;

Taking the moment when the curve slope of the resistance change curve reaches the preset slope as a seventh starting moment, wherein the seventh starting moment is the starting moment of a steady-state stage in the current running process;

acquiring the current running time in the current running process;

determining a seventh end time according to the current running time and a sixth preset time;

and when the seventh finishing moment is later than the seventh starting moment, acquiring a plurality of fifth resistance values from the seventh starting moment to the seventh finishing moment.

In this embodiment, a plurality of sixth resistance values of the current operation process and an operation duration of the current operation process are obtained, and a resistance value change curve is drawn according to the sixth resistance values. And when the curve slope of the resistance change curve changes along with time and the curve slope reaches the preset slope, taking the moment corresponding to the curve slope as a seventh initial moment, wherein the seventh initial moment is the steady-state stage initial moment.

Since the current running time is after the steady-state stage starting time, whether the running will be stopped immediately after the current running time cannot be determined, and in order to eliminate interference, the interference condition in a period of time before the current running time needs to be eliminated, that is, the seventh ending time needs to be determined according to the current running time and the sixth preset time length. And when the seventh end time is later than the seventh start time, indicating that the running time of the steady-state stage in the current running process is greater than zero, and taking the running stage from the seventh start time to the seventh end time as the steady-state running stage.

It should be noted that, if the curve slope of the resistance change curve does not reach the preset slope, it is indicated that the current operation process does not enter the steady state stage, and the first resistance cannot be determined according to the current operation process. If the seventh end time is earlier than the seventh start time, it is stated that the current operating process has entered the steady state phase, but in order to exclude disturbances, the steady state phase operating time is regarded as zero, in which case the first resistance value cannot be determined from the current operating process either.

According to the method and the device, the steady-state operation stage in the current operation process can be accurately determined by drawing the resistance change curve of the historical operation record and based on the curve slope and the sixth setting time length of the resistance change curve, and the first resistance in the steady-state stage is determined according to the obtained fifth resistance in the stage, so that the accuracy of determining the first resistance is improved.

In any of the above solutions, the fault detection method further includes: and controlling the heating device to stop running when the heating device is in a fault state.

In the technical scheme, when the heating device is detected to be in a fault state, the heating device is controlled to stop running, so that adverse effects on aerosol generation caused by overhigh temperature of the heating device and consumption of electric energy of the heating device are avoided, a user can be reminded, energy loss is reduced, and the use experience of the user is improved.

A second aspect of the present invention proposes a fault detection device for use in an aerosol-generating device, the aerosol-generating device comprising heating means for heating an aerosol-generating substrate, the fault detection device comprising: the acquisition module is used for acquiring a first resistance value of the heating device, wherein the first resistance value is a resistance value of the heating device in a steady state in the running process; the acquisition module is also used for acquiring a second resistance value of the heating device in the current running process; and the determining module is used for determining that the aerosol atomization device is in a fault state according to the first resistance value and the second resistance value.

The fault detection device provided by the second aspect of the invention is applicable to an aerosol atomization device, the aerosol atomization device comprises a heating device and is used for heating an atomized aerosol to generate a matrix, the fault detection device comprises an acquisition module and a determination module, wherein the acquisition module is used for acquiring a first resistance value of the heating device in a steady-state stage and acquiring a second resistance value of the heating device in the current operation process; the determining module is used for determining that the aerosol atomization device is in a fault state according to the first resistance value and the second resistance value, and specifically, the first resistance value is a resistance value of the heating device in a steady state.

The fault detection device defined herein may detect a fault of an aerosol-generating device, the aerosol-generating device comprising a heating device that heats and atomizes an aerosol-generating substrate in the aerosol-generating device, causing the aerosol-generating substrate to generate aerosol. The fault detection device is used for respectively obtaining a first resistance value and a second resistance value of the heating device and judging whether the aerosol atomization device is in a fault state or not by comparing the first resistance value and the second resistance value.

According to the fault detection device defined by the application, whether the aerosol generating device has faults or not is detected according to the first resistance value of the resistor of the heating device in a steady state and the second resistance value of the current operation process in the operation process of the sol atomizing device, whether the faults exist in the current operation process of the heating device or not is detected, adverse effects on aerosol generation caused by the faults of the heating device are avoided, and compared with the detection mode in the related art, the fault detection device has the advantages that the first resistance value of the resistor in the steady state is adopted for detection, and the detection accuracy is improved.

A third aspect of the present invention proposes a fault detection device comprising: a memory having stored thereon programs or instructions; a processor, configured to implement the steps of the fault detection method according to any one of the above technical solutions when executing a program or an instruction.

The fault detection device provided by the invention realizes the steps of the fault detection method according to any one of the technical schemes when the processor executes the program or the instruction stored in the memory, so that the fault detection device has all the beneficial effects of the fault detection method according to any one of the technical schemes.

A fourth aspect of the present invention proposes a readable storage medium having stored thereon a program or instructions which, when executed by a processor, implement the steps of the fault detection method according to any of the above-mentioned technical solutions.

The readable storage medium provided by the present invention, when a program or an instruction stored thereon is executed by a processor, implements the steps of the fault detection method according to any one of the above-described technical solutions, and therefore has all the advantageous effects of the fault detection method according to any one of the above-described technical solutions.

A fifth aspect of the present invention proposes an aerosol atomizing device comprising: the fault detection device according to any one of the above aspects; or a readable storage medium according to any one of the above technical solutions.

The aerosol atomization device provided by the invention comprises the fault detection device according to any one of the technical schemes or the readable storage medium according to any one of the technical schemes, so that the aerosol atomization device has all the beneficial effects of the fault detection device according to any one of the technical schemes and the readable storage medium.

Additional aspects and advantages of the present application will become apparent in the following description, or may be learned by practice of the present application.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, wherein:

fig. 1 shows one of flow diagrams of a fault detection method provided in an embodiment of the present application;

fig. 2 shows a schematic structural diagram of an aerosol atomization device according to an embodiment of the present application;

FIG. 3 is a second schematic flow chart of a fault detection method according to an embodiment of the present disclosure;

FIG. 4 is a third schematic flow chart of a fault detection method according to an embodiment of the present disclosure;

FIG. 5 illustrates one of the graphs of resistance versus run length for a heating device provided by an embodiment of the present application;

FIG. 6 shows a fourth flow chart of a fault detection method according to an embodiment of the present disclosure;

Fig. 7 shows a fifth flow chart of a fault detection method according to an embodiment of the present application;

FIG. 8 shows a second graph showing resistance versus run length of a heating device provided by an embodiment of the present application;

fig. 9 shows a sixth flowchart of a fault detection method provided in an embodiment of the present application;

FIG. 10 is a schematic diagram of a fault detection method according to an embodiment of the present disclosure;

FIG. 11 shows an eighth flowchart of a fault detection method according to an embodiment of the present disclosure;

FIG. 12 is a graph showing the resistance versus the operating time of a heating device according to an embodiment of the present application;

FIG. 13 shows an eighth flowchart of a fault detection method according to an embodiment of the present disclosure;

fig. 14 shows one of the block diagrams of the fault detection device provided in the embodiment of the present application;

FIG. 15 shows a second block diagram of a fault detection device provided in an embodiment of the present application;

fig. 16 shows a block diagram of an aerosol atomization device provided in an embodiment of the present application.

Detailed Description

In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced otherwise than as described herein, and thus the scope of the present application is not limited by the specific embodiments disclosed below.

A fault detection method, a fault detection apparatus, a readable storage medium, and an aerosol-generating apparatus according to some embodiments of the present application are described below with reference to fig. 1 to 16.

Embodiment one:

as shown in fig. 1, an embodiment of a first aspect of the present application proposes a fault detection method applied to an aerosol-generating device, the aerosol-generating device comprising a heating device for heating an aerosol-generating substrate, the fault detection method comprising:

102, acquiring a first resistance value of a heating device, wherein the first resistance value is a resistance value of a resistor in a steady state in the operation process of the heating device;

104, obtaining a second resistance value of the heating device in the current operation process;

and step 106, determining that the aerosol atomization device is in a fault state according to the first resistance value and the second resistance value.

It should be noted that the first resistance is a steady-state resistance of the heating device, where the first resistance includes a steady-state resistance in a historical operation record, i.e., a historical steady-state resistance. The first resistance value also includes a steady state resistance value during the current operation, i.e., a current steady state resistance value. In the process that the heating device is in the running state, the resistance of the heating device is influenced by the temperature of the heating device, the resistance can quickly rise in the running starting stage, then the steady state is maintained, and the resistance in the steady state is the steady state resistance. The second resistance value refers to a resistance value of the current heating device, specifically, the second resistance value may be a transient resistance value, or may be an arithmetic average value, a median value or a rolling average value of a plurality of transient resistance values in a very short period of time. The very short time may be 1-100 milliseconds, alternatively 5-30 milliseconds.

Specifically, the aerosol atomization device reads a first resistance value of the heating device in a steady state stage during operation, and acquires a second resistance value during current operation. And detecting whether the aerosol atomization device has faults according to the first resistance and the second resistance.

According to the fault detection method, whether the aerosol generating device has faults or not is detected according to the first resistance value of the resistor of the heating device in a steady state in the operation process of the aerosol atomizing device and the second resistance value of the resistor in the current operation process, whether the heating device has faults or not in the current operation process is detected, adverse effects on aerosol generation due to the faults of the heating device are avoided, and compared with the detection mode in the related art, the detection method has the advantages that the first resistance value of the resistor in the steady state is adopted for detection, and detection accuracy is improved.

Fig. 2 shows a schematic structural diagram of an aerosol-generating device according to an embodiment of the present application, and as shown in fig. 2, the aerosol-generating device 200 includes an aerosol-generating chamber 202 for storing an aerosol-generating substrate, and a heating device 204 for heating and atomizing the aerosol-generating substrate in the aerosol-generating chamber 202. The aerosol-generating substrate may be a liquid smoke-generating substrate, such as a tobacco tar. The heating device 204 includes a heating wire 206, the heating wire 206 is made of metal, and has a resistance-temperature characteristic, and during the heating process, the resistance and the temperature of the heating wire 206 change along with the operation of the heating device.

As shown in fig. 3, in the above embodiment, the first resistance is a resistance of the resistor in a steady state in the history running record;

acquiring a first resistance value of the heating device, including:

step 302, determining a first steady-state phase in a historical operating record;

step 304, obtaining a plurality of third resistance values in the first steady-state stage;

step 306, determining a first resistance according to the plurality of third resistances;

wherein the first resistance value includes any one of: an arithmetic average of the plurality of third resistance values, a median of the plurality of third resistance values, a rolling average of the plurality of third resistance values.

In this embodiment, according to a plurality of third resistance values of the heating device in the first steady-state stage in the history, the first resistance value corresponding to the first steady-state stage can be determined.

It should be noted that, the first steady-state stage is an operation stage in which the resistance value of the heating device is in a steady state in the historical operation record, that is, the change value of the resistance value of the heating device in the first steady-state stage is smaller than the change threshold value. The third resistance value is a transient resistance value of the heating device at a sampling time point when the heating device operates in the first steady-state stage.

The first resistance value may be a rolling average value, an arithmetic average value or a median of the plurality of third resistance values, which are not limited herein, and may be selected according to actual requirements.

As shown in fig. 4, in any of the above embodiments, determining the first steady-state phase in the historical operating record includes:

step 402, acquiring a first starting time and a first ending time of a historical operation record;

step 404, determining a second starting time according to the first starting time and the first preset time, wherein the second starting time is the starting time of the first steady-state stage;

step 406, determining a second end time according to the first end time and a second preset time length, wherein the second end time is the end time of the first steady-state stage;

Step 408, determining a first steady-state phase according to the second start time and the second end time.

In this embodiment, the complete run phase in the history is read in determining the first steady state phase in the history. And selecting a first steady-state stage in the complete operation stage according to the first preset time length and the second preset time length.

As shown in fig. 5, T0 is a first start time of the history, T3 is a first end time of the history, T1 is a second start time of the first steady-state phase, and T2 is a second end time of the first steady-state phase. T0 to T1 are the first preset time period, and T2 to T3 are the second preset time period.

As shown in fig. 6, in any of the above embodiments, determining the first steady-state phase in the historical operating record includes:

step 602, determining a resistance change curve according to a plurality of fourth resistance values and historical operation time lengths of the historical operation records;

step 604, taking the time when the curve slope of the resistance change curve reaches the preset slope as a third starting time, wherein the third starting time is the starting time of the first steady-state stage;

step 606, obtaining a third end time of the history running record;

step 608, determining a fourth end time according to the third end time and the third preset duration, where the fourth end time is the end time of the first steady-state stage;

step 610, determining a first steady-state phase according to the third start time and the fourth end time.

In this embodiment, a plurality of fourth resistance values in the history running record and the history running time length of the history running record are acquired, and a resistance value change curve is drawn according to the fourth resistance values and the history running time length. The fourth resistance value is a transient resistance value of the heating device at a sampling time point in the historical operation record. And when the curve slope of the resistance change curve changes along with time and the curve slope reaches the preset slope, taking the moment corresponding to the curve slope as a third starting moment. And determining a fourth ending time according to the third ending time and the third preset time, wherein the fourth ending time is before the third ending time. And taking the operation phase between the third starting time and the fourth ending time as a first steady-state phase.

According to the method, whether the heating device operates to the first steady-state stage or not is accurately judged by drawing the resistance change curve of the historical operation record and based on the curve slope of the resistance change curve, namely, the third starting moment is determined. And determining a fourth end time of the first steady-state stage through a third end time and a third preset time of the historical operation record, so that the starting and ending time points of the first steady-state stage are accurately determined, and the accuracy of determining the first steady-state stage is further improved.

As shown in fig. 7, in any of the above embodiments, the number of the history running records is plural, and the number of the first resistance values is the same as the number of the history running records;

according to the first resistance and the second resistance, determining that the aerosol atomization device is in a fault state comprises:

step 702, performing a difference calculation on each of the first resistance values and the second resistance value to obtain a plurality of first resistance value difference values;

step 704, determining a plurality of first preset differences corresponding to the plurality of first resistance values, where the plurality of first preset differences correspond to operation moments of the heating device corresponding to the plurality of first resistance values;

step 706, determining that the aerosol atomization device is in a fault state based on any one of the plurality of first resistance differences being greater than a corresponding first preset difference.

In this embodiment, in the case where there are a plurality of history running records of the aerosol atomization device, whether the aerosol atomization device is in a fault state is determined according to a plurality of resistance difference values of a plurality of first resistance values and a plurality of second resistance values.

Illustratively, the number of historical operating records ranges from 3 to 10 times.

Under the condition that the aerosol atomization device fails, the real-time resistance of the heating device can gradually rise, first resistance of a plurality of historical operation records needs to be detected, and whether the aerosol atomization device fails or not is detected according to the first resistance.

As shown in fig. 8, the resistance value of the heating device is significantly changed in the 8 th operation of the aerosol apparatus.

According to the fault detection method defined by the embodiment, through setting a plurality of historical operation records and corresponding first resistance values, and through calculating first resistance value difference values between each first resistance value and each second resistance value respectively, the plurality of first resistance value difference values are compared with corresponding first preset difference values, faults are judged to exist under the condition that the first resistance value difference values larger than the corresponding first preset difference values exist in the plurality of first resistance value difference values, detection of the working state of the aerosol atomization device and judgment of whether the aerosol atomization device is in the fault state are achieved, detection tolerance is improved, influence of errors on the detection method is avoided, and accuracy of the detection method is further improved.

As shown in fig. 9, in any of the above embodiments, obtaining a plurality of corresponding first preset differences among a plurality of first resistance values includes:

step 902, obtaining a first preset difference sequence, wherein the first preset difference sequence comprises a plurality of first preset differences;

step 904, acquiring the running time of a history running record corresponding to each first resistance value in a plurality of first resistance values;

step 906, sorting the plurality of first resistance values according to the plurality of operation moments to obtain a first resistance value sequence;

step 908, a mapping relationship is established between the first preset difference sequence and the first resistance sequence, so as to determine a first preset difference value corresponding to each first resistance.

In any of the embodiments, a time difference between the running time corresponding to the first resistance value and the current time is positively correlated with a first preset difference corresponding to the first resistance value.

In this embodiment, the resistance value of the heating means gradually increases as the heating means operates, affected by the physical characteristics of the heating means. The shorter the first preset difference in the first difference sequence, the closer the running time of the historical running record of the corresponding first resistance is to the current time.

As shown in fig. 10, in any of the above embodiments, the first resistance is a resistance of the resistor in a steady state during the current operation;

acquiring a first resistance value of the heating device, including:

Step 1002, obtaining a plurality of fifth resistance values of the heating device in the current operation process, wherein the fifth resistance values are resistance values of a steady-state stage in the current operation process;

step 1004, determining a first resistance according to the fifth resistances;

wherein the first resistance value includes any one of: an arithmetic average of the plurality of fifth resistance values, a median of the plurality of fifth resistance values, a rolling average of the plurality of fifth resistance values.

In this embodiment, in the process of acquiring the first resistance value (the current steady-state resistance value), a plurality of fifth resistance values of the heating device in the current operation process are acquired, where the fifth resistance values are transient resistance values of the heating device at sampling time points of the heating device in the steady-state stage.

As shown in fig. 11, in any of the above embodiments, acquiring a plurality of fifth resistance values of the heating device at a steady-state stage during the current operation includes:

step 1102, obtaining a fifth starting time, a current running time and a current running time in a current running process;

step 1104, determining a sixth starting time according to the fifth starting time and the fourth preset time when the current running time is longer than the fourth preset time, wherein the sixth starting time is the starting time of a steady-state stage in the current running process;

step 1106, determining a sixth ending time according to the current running time and a fifth preset time length;

in step 1108, when the sixth ending time is later than the sixth starting time, a plurality of fifth resistance values between the sixth starting time and the sixth ending time are obtained.

It should be noted that, if the current operation duration is less than or equal to the fourth preset duration, it is indicated that the current operation process does not enter the steady state stage, and the first resistance value cannot be determined according to the current operation process. If the sixth end time is earlier than the sixth start time, it is stated that the current operating process has entered the steady-state phase, but in order to exclude disturbances, the steady-state phase operating time is regarded as zero, in which case the first resistance cannot be determined from the current operating process either.

As shown in fig. 12, T5 is a fifth start time of the current operation process, T8 is a current operation time, T6 is a start time (sixth start time) of the steady-state phase of the current operation process, and T7 is an end time (sixth end time) of the steady-state phase of the current operation process. T5 to T6 are the fourth preset time period, T7 to T8 are the second preset time period, and T5 to T8 are the current operation time period.

As shown in fig. 13, in any of the above embodiments, acquiring a plurality of fifth resistance values of the heating device at a steady-state stage during the current operation includes:

step 1302, determining a resistance change curve according to the plurality of sixth resistance values and the running time of the current running process;

step 1304, taking the moment when the curve slope of the resistance change curve reaches the preset slope as a seventh starting moment, wherein the seventh starting moment is the starting moment of the steady-state stage in the current running process;

step 1306, obtaining the current operation time in the current operation process;

Step 1308, determining a seventh end time according to the current running time and a sixth preset time length;

in step 1310, when the seventh ending time is later than the seventh starting time, a plurality of fifth resistance values between the seventh starting time and the seventh ending time are obtained.

In this embodiment, a plurality of sixth resistance values of the current operation process and an operation duration of the current operation process are obtained, and a resistance value change curve is drawn according to the sixth resistance values. The sixth resistance value is a transient resistance value of a sampling time point of the heating device in the current operation process. And when the curve slope of the resistance change curve changes along with time and the curve slope reaches the preset slope, taking the moment corresponding to the curve slope as a seventh initial moment, wherein the seventh initial moment is the steady-state stage initial moment.

According to the method and the device, the steady-state operation stage in the current operation process can be accurately determined by drawing the resistance change curve of the historical operation record and based on the curve slope and the sixth preset duration of the resistance change curve, and the first resistance in the steady-state stage is determined according to the obtained fifth resistance in the stage, so that the accuracy of determining the first resistance is improved.

In any of the foregoing embodiments, the fault detection method further includes: and controlling the heating device to stop running when the heating device is in a fault state. In any of the foregoing embodiments, the fault detection method further includes: and controlling the heating device to stop running when the heating device is in a fault state.

In the embodiment, when the heating device is detected to be in a fault state, the heating device is controlled to stop running, so that adverse effects on aerosol generation caused by overhigh temperature of the heating device and consumption of electric energy of the heating device are avoided, a user can be reminded, energy loss is reduced, and the use experience of the user is improved.

Embodiment two:

as shown in fig. 14, an embodiment of the second aspect of the present application proposes a failure detection device 1400 applied to an aerosol-generating device, the aerosol-generating device comprising heating means for heating an aerosol-generating substrate, the failure detection device 1400 comprising:

the obtaining module 1402 is configured to obtain a first resistance of the heating device, where the first resistance is a resistance of the heating device in a steady state during operation of the heating device;

the obtaining module 1402 is further configured to obtain a second resistance value of the heating device in a current running process;

a determining module 1404 is configured to determine that the aerosol atomization device is in a fault state according to the first resistance value and the second resistance value.

According to the fault detection device defined by the embodiment, whether the aerosol generating device has faults or not is detected according to the first resistance value of the resistor of the heating device in a steady state in the operation process of the sol atomizing device and the second resistance value of the resistor in the current operation process, whether the heating device has faults or not in the current operation process is detected, adverse effects on aerosol generation caused by the faults of the heating device are avoided, and compared with the detection mode in the related art, the fault detection device has the advantages that the first resistance value of the resistor in the steady state is adopted for detection, and the detection accuracy is improved.

In the above embodiment, the determining module 1404 is further configured to determine a first steady-state stage in the historical operating record;

the obtaining module 1402 is further configured to obtain a plurality of third resistance values in the first steady-state stage;

a determining module 1404, configured to determine a first resistance according to the plurality of third resistances;

According to the method and the device, the first resistance corresponding to the history record can be determined according to the third resistances in the first steady-state stage, and the first resistance can represent the resistance of the heating device in the first steady-state stage because the first resistance can be selected as the arithmetic average value, the rolling average value or the median of the third resistances, so that the accuracy of judging whether the aerosol atomization device has faults or not according to the first resistance and the second resistance is ensured. In any of the foregoing embodiments, the obtaining module 1102 is further configured to obtain a first start time and a first end time of the historical operating record;

the determining module 1404 is further configured to determine a second start time according to the first start time and the first preset duration, where the second start time is a start time of the first steady-state stage;

The determining module 1404 is further configured to determine a second end time according to the first end time and a second preset duration, where the second end time is an end time of the first steady-state phase;

the determining module 1404 is further configured to determine a first steady-state stage according to the second start time and the second end time.

In any of the foregoing embodiments, the determining module 1404 is further configured to determine a resistance change curve according to the fourth resistance values and the historical operation duration of the historical operation records;

the determining module 1404 is further configured to use, as a third start time, a time when the curve slope of the resistance change curve reaches the preset slope, where the third start time is a start time of the first steady-state stage;

the obtaining module 1402 is further configured to obtain a third end time of the historical operating record;

the determining module 1404 is further configured to determine a fourth end time according to the third end time and a third preset duration, where the fourth end time is an end time of the first steady-state phase;

The determining module 1404 is further configured to determine a first steady-state stage according to the third start time and the fourth end time.

In any of the above embodiments, the number of the history running records is a plurality of, and the number of the first resistance values is the same as the number of the history running records;

the fault detection apparatus 1400 includes:

the calculating module is used for carrying out difference value calculation on each first resistance value and each second resistance value in the plurality of first resistance values so as to obtain a plurality of first resistance value difference values;

the determining module 1404 is further configured to determine a plurality of first preset differences corresponding to the plurality of first resistance values, where the plurality of first preset differences correspond to operation moments of the heating device corresponding to the plurality of first resistance values;

The determining module 1404 is further configured to determine that the aerosol atomization device is in a fault state based on any one of the plurality of first resistance differences being greater than a corresponding first preset difference.

In any of the foregoing embodiments, the obtaining module 1402 is further configured to obtain a first preset difference sequence, where the first preset difference sequence includes a plurality of first preset differences;

the obtaining module 1402 is further configured to obtain a running time of a historical running record corresponding to each of the plurality of first resistance values;

The fault detection apparatus 1400 includes:

the sequencing module is used for sequencing the plurality of first resistance values according to the plurality of operation moments so as to obtain a first resistance value sequence;

the mapping module is used for establishing a mapping relation between the first preset difference value sequence and the first resistance value sequence so as to determine a first preset difference value corresponding to each first resistance value.

In the implementation of the method, corresponding first preset difference values are configured for the plurality of first resistance values through the preset difference value sequences, and under the condition that the historical operation records are increased, the first resistance values corresponding to the plurality of first preset difference values can be updated, so that the accuracy of obtaining the first preset difference values corresponding to the first resistance values is improved.

In any of the above embodiments, the first resistance is a resistance of the resistor in a steady state in a current operation process;

an obtaining module 1402, configured to obtain a plurality of fifth resistance values of the heating device in a current operation process, where the fifth resistance values are resistance values of a steady-state stage in the current operation process;

a determining module 1404, configured to determine a first resistance according to the plurality of fifth resistances;

According to the method and the device, the first resistance in the current running process can be determined according to the plurality of fifth resistance values in the current steady-state stage, and the first resistance value can represent the resistance value of the heating device in the steady-state stage in the current running process because the first resistance value can be selected as the arithmetic average value, the rolling average value or the median of the plurality of fifth resistance values, so that the accuracy of judging whether the aerosol atomization device has faults or not according to the first resistance value and the second resistance value is ensured. In any of the foregoing embodiments, the obtaining module 1402 is further configured to obtain a fifth starting time, a current running time, and a current running duration in a current running process;

The determining module 1404 is further configured to determine, when the current operation time length is greater than the fourth preset time length, a sixth start time according to the fifth start time and the fourth preset time length, where the sixth start time is a start time of a steady-state stage in the current operation process;

a determining module 1404, configured to determine a sixth end time according to the current running time and a fifth preset duration;

the obtaining module 1402 is further configured to obtain a plurality of fifth resistance values from the sixth start time to the sixth end time when the sixth end time is later than the sixth start time.

In any of the foregoing embodiments, the determining module 1404 is further configured to determine a resistance change curve according to the plurality of sixth resistance values and the operation duration of the current operation process;

the determining module 1404 is further configured to use, as a seventh start time, a time when the curve slope of the resistance change curve reaches a preset slope, where the seventh start time is a start time of a steady-state stage in the current operation process;

the acquiring module 1402 is further configured to acquire a current running time in a current running process;

a determining module 1404, configured to determine a seventh end time according to the current running time and a sixth preset duration;

the obtaining module 1402 is further configured to obtain a plurality of fifth resistance values between the seventh start time and the seventh end time when the seventh end time is later than the seventh start time.

In any of the above embodiments, the fault detection apparatus 1400 includes:

And the control module is used for controlling the heating device to stop running when the heating device is in a fault state.

Embodiment III:

as shown in fig. 15, a further embodiment of the present invention proposes a fault detection apparatus 1500, comprising: a memory 1504 having stored thereon programs or instructions; the processor 1502 is configured to implement the steps of the fault detection method provided in any of the foregoing embodiments when executing a program or an instruction.

The fault detection device provided by the invention realizes the steps of the fault detection method provided by any one of the embodiments when the processor executes the program or the instruction stored in the memory, so that the fault detection device has the advantages of larger tolerance and high accuracy of the fault detection method provided by any one of the embodiments, and the fault detection device is not described in detail herein.

Embodiment four:

Yet another embodiment of the present invention proposes a readable storage medium having stored thereon a program or instructions which, when executed by a processor, implement the steps of the fault detection method as provided in any of the above embodiments.

The readable storage medium provided by the invention realizes the steps of the fault detection method provided by any one of the embodiments when the program or the instruction stored on the readable storage medium is executed by the processor, so that the fault detection method provided by any one of the embodiments has the advantages of larger tolerance and high accuracy, and is not described in detail herein.

Fifth embodiment:

as shown in fig. 16, a further embodiment of the present invention proposes an aerosol atomization device 1600 comprising: the fault detection apparatus 1400 provided in the second embodiment; and/or a readable storage medium 1602 as provided in any of the embodiments above.

Therefore, the fault detection device and the readable storage medium provided in any of the embodiments have the advantages of larger tolerance and high accuracy, and are not described in detail herein.

In the present application, the term "plurality" means two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A fault detection method for an aerosol-generating device, the aerosol-generating device comprising heating means for heating an aerosol-generating substrate, the fault detection method comprising:

acquiring a first resistance value of the heating device, wherein the first resistance value is a resistance value of a resistor in a steady state in the operation process of the heating device;

Acquiring a second resistance value of the heating device in the current operation process;

and determining that the aerosol atomization device is in a fault state according to the first resistance and the second resistance.

2. The fault detection method according to claim 1, wherein the first resistance is a resistance of a resistor in a steady state in a history of operation;

the obtaining the first resistance value of the heating device includes:

determining a first steady-state phase in the historical operating record;

acquiring a plurality of third resistance values in the first steady-state stage;

determining the first resistance according to the third resistance values;

3. The fault detection method of claim 2, wherein the determining a first steady-state phase in the historical operating record comprises:

acquiring a first starting time and a first ending time of the historical operation record;

determining a second starting time according to the first starting time and a first preset time length, wherein the second starting time is the starting time of the first steady-state stage;

Determining a second end time according to the first end time and a second preset time, wherein the second end time is the end time of the first steady-state stage;

and determining the first steady-state stage according to the second starting time and the second ending time.

4. The fault detection method of claim 2, wherein the determining a first steady-state phase in the historical operating record comprises:

determining a resistance change curve according to a plurality of fourth resistance values and the historical operation duration of the historical operation record;

taking the moment when the curve slope of the resistance change curve reaches a preset slope as a third starting moment, wherein the third starting moment is the starting moment of the first steady-state stage;

acquiring a third end time of the historical operation record;

determining a fourth end time according to the third end time and a third preset time length, wherein the fourth end time is the end time of the first steady-state stage;

and determining the first steady-state stage according to the third starting time and the fourth ending time.

5. The fault detection method according to any one of claims 2 to 4, wherein the number of the history operations is plural, and the number of the first resistance values is the same as the number of the history operations;

The determining that the aerosol atomization device is in a fault state according to the first resistance value and the second resistance value comprises:

performing difference calculation on each of the first resistance values and the second resistance values to obtain a plurality of first resistance value difference values;

determining a plurality of corresponding first preset differences in the plurality of first resistance values, wherein the plurality of first preset differences correspond to the operation time of the heating device corresponding to the plurality of first resistance values;

and determining that the aerosol atomization device is in a fault state based on the fact that any one of the plurality of first resistance difference values is larger than the corresponding first preset difference value.

6. The method of claim 5, wherein determining a corresponding plurality of first preset differences among the plurality of first resistance values comprises:

acquiring a first preset difference sequence, wherein the first preset difference sequence comprises a plurality of first preset differences;

acquiring the running time of a historical running record corresponding to each first resistance value in a plurality of first resistance values;

sequencing the first resistance values according to the running moments to obtain a first resistance value sequence;

And establishing a mapping relation between the first preset difference value sequence and the first resistance value sequence to determine a first preset difference value corresponding to each first resistance value.

7. The method for detecting a failure according to claim 6, wherein,

and the time difference value of the running time corresponding to the first resistance value from the current time is positively correlated with the first preset difference value corresponding to the first resistance value.

8. The fault detection method according to claim 1, wherein the first resistance is a resistance of a resistor in a steady state during a current operation;

the obtaining the first resistance value of the heating device includes:

obtaining a plurality of fifth resistance values of the heating device in the current operation process, wherein the fifth resistance values are resistance values of a steady-state stage in the current operation process;

determining the first resistance according to the fifth resistance;

9. The fault detection method of claim 8, wherein the obtaining a plurality of fifth resistance values for a steady state phase of the heating apparatus during a current operation comprises:

when the current running time is longer than a fourth preset time, determining a sixth starting time according to the fifth starting time and the fourth preset time, wherein the sixth starting time is the starting time of a steady-state stage in the current running process;

determining a sixth ending time according to the current running time and a fifth preset time;

and acquiring the plurality of fifth resistance values from the sixth starting time to the sixth ending time when the sixth ending time is later than the sixth starting time.

10. The fault detection method of claim 8, wherein the obtaining a plurality of fifth resistance values for a steady state phase of the heating apparatus during a current operation comprises:

taking the moment when the curve slope of the resistance change curve reaches a preset slope as a seventh starting moment, wherein the seventh starting moment is the starting moment of a steady-state stage in the current running process;

Acquiring the current running time in the current running process;

and acquiring the plurality of fifth resistance values from the seventh starting time to the seventh ending time when the seventh ending time is later than the seventh starting time.

11. The method for detecting a failure according to any one of claims 8 to 10, wherein,

performing difference calculation on the first resistance and the second resistance to obtain a first resistance difference; and determining that the aerosol atomization device is in a fault state based on the first resistance value difference value being larger than a first preset difference value.

12. The fault detection method of claim 1, further comprising:

and controlling the heating device to stop running when the heating device is in a fault state.

13. A fault detection device for use with an aerosol atomizing device, the aerosol atomizing device comprising a heating device for heating an atomized aerosol generating substrate, the fault detection device comprising:

The acquisition module is used for acquiring a first resistance value of the heating device, wherein the first resistance value is a resistance value of a resistor in a steady state in the operation process of the heating device;

the acquisition module is also used for acquiring a second resistance value of the heating device in the current operation process;

and the determining module is used for determining that the aerosol atomization device is in a fault state according to the first resistance value and the second resistance value.

14. A fault detection device, comprising:

a memory having stored thereon programs or instructions;

a processor for implementing the steps of the fault detection method according to any one of claims 1 to 12 when executing the program or instructions.

15. A readable storage medium having stored thereon a program or instructions, which when executed by a processor, implement the steps of the fault detection method according to any of claims 1 to 12.

16. An aerosol atomizing device, comprising:

the fault detection device of claim 13 or 14; or (b)

The readable storage medium of claim 15.