EP4111883A1

EP4111883A1 - E-liquid supply method and device and aerosol generating device

Info

Publication number: EP4111883A1
Application number: EP21761414.8A
Authority: EP
Inventors: Weihua Qiu
Original assignee: Changzhou Paiteng Electronic Technology Co Ltd
Current assignee: Changzhou Paiteng Electronic Technology Co Ltd
Priority date: 2020-02-25
Filing date: 2021-03-11
Publication date: 2023-01-04
Also published as: WO2021170148A1; CN113367389B; US20230085015A1; CN113367389A

Abstract

An e-liquid supply method and device and an aerosol generating device. The e-liquid supply method is used in the aerosol generating device. The e-liquid supply method comprises: acquiring a real-time temperature of a heating element of the aerosol generating device at each first preset period after lighting (S110); if, in a second preset period after lighting, at least one change value of the real-time temperature of the heating element is not less than a temperature change threshold, supplying a e-liquid for the first time (S120), wherein the time length of the second preset period is greater than the time length of the first preset period; and, after the first supply of the e-liquid, supplying the e-liquid in real time according to an e-liquid supply amount corresponding to the real-time temperature of the heating element (S130). The e-liquid can be supplied securely and reliably, avoiding e-liquid spitting or spilling due to excessive liquid supply, and also avoiding dry burning or a paste smell caused by insufficient liquid supply.

Description

TECHNICAL FIELD

The present disclosure relates to the technical field of aerosol generating devices, in particular to a e-liquid supply method, a e-liquid supply device and an aerosol generating device.

BACKGROUND

In the existing aerosol generating device, if too much e-liquid is supplied, e-liquid is fried easily due to a heating or even spilled; if too little e-liquid is supplied, dry burning and sticky smell will occur.

SUMMARY

In view of above, the present disclosure provides a e-liquid supply method, device and aerosol generating device, to solve the problem that the aerosol generating device of the prior art cannot well solve the problem of the balance between the liquid supply and the liquid consumption of the e-liquid.
The technical solution is as follows: in a first aspect, a e-liquid supply method for an aerosol generating device is provided, the e-liquid supply method includes: obtaining the real-time temperature of a heating member of an aerosol generating device every first preset period after lighting a cigarette; if at least one real-time temperature change value of the heating member within a second preset period after lighting the cigarette is not less than a temperature change threshold, suppling a e-liquid for the first time, wherein, the time length of the second preset period is greater than the time length of the first preset period; after suppling the e-liquid for the first time, suppling the e-liquid in real time according to a liquid supply amount of the e-liquid corresponding to the real-time temperature of the heating member.
Optionally, the step of obtaining a real-time temperature of a heating member of an aerosol generating device every first preset period after lighting a cigarette includes: detecting and obtaining an initial resistance value of the heating member after the aerosol generating device is inserted into an atomizer; detecting and obtaining a real-time resistance value of the heating member every first preset period after lighting the cigarette; calculating the real-time temperature of the heating member according to $T = \frac{(R_{2} - R_{1} \times 10) \times 1000}{R_{1} \times TCR} + 20$
, wherein, R₁ represents the initial resistance value of the heating member, R2 represents the real-time resistance value of the heating member, TCR represents a resistance temperature coefficient of the heating member, the resistance value of the heating member changes as the temperature of the heating member changes.
Optionally, the step of wherein the step of if at least one real-time temperature change value of the heating member within a second preset period after lighting the cigarette is not less than a temperature change threshold, suppling a e-liquid for the first time includes: obtaining a number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold within the second preset period after lighting the cigarette; according to a first preset relationship, suppling the e-liquid for the first time according to the liquid supply amount of the e-liquid corresponding to the number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold within the second preset period after lighting the cigarette; wherein, the first preset relationship is: under the constraints of a capacity of the atomizer of the aerosol generating device and material of the heating member, the corresponding relationship between the number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold within the second preset period after lighting the cigarette and the liquid supply amount of the e-liquid.
Optionally, the liquid supply amount of the e-liquid corresponding to the number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold within the second preset period after lighting the cigarette, satisfies the requirement to make an absorbing member of the aerosol generating device wet.
Optionally, the step of obtaining a number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold within the second preset period after lighting the cigarette includes: calculating the difference between each real-time temperature of the heating member in the second preset period and the real-time temperature of the heating member acquired for the first time, to obtain the real-time temperature change value of the heating member; determining the temperature change threshold according to the real-time temperature of the heating member obtained for the first time and the material of the heating member; comparing the magnitude relationship between each real-time temperature change value of the heating member and the temperature change threshold, to obtain the number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold.
Optionally, the step of after suppling the e-liquid for the first time, suppling the e-liquid in real time according to a liquid supply amount of the e-liquid corresponding to the real-time temperature of the heating member includes: according to a second preset relationship, after suppling the e-liquid for the first time, suppling the e-liquid in real time according to the liquid supply amount of the e-liquid corresponding to the real-time temperature of the heating member; wherein, the second preset relationship is that under the constraints of a capacity of the atomizer of the aerosol generating device and material of the heating member, the corresponding relationship between the real-time temperature of the heating member and the liquid supply amount of the e-liquid.
Optionally, the liquid supply amount of the e-liquid corresponding to the real-time temperature of the heating member satisfies the requirement to make the liquid supply amount of the e-liquid and a liquid consumption amount of the e-liquid maintain a balance.
In a second aspect, a e-liquid supply device is provided, the device includes: a memory and a processor; at least one program instruction is stored in the memory; the processor, by loading and executing the at least one program instruction, implements the e-liquid supply method involved in any of the foregoing embodiments.
In a third aspect, an aerosol generating device is provided, including: the e-liquid supply device according to the embodiment of the second aspect.
In a fourth aspect, a computer-readable storage medium is provided, one or more instructions are stored in the computer-readable storage medium, when the one or more instructions are executed by the processor in the electronic cigarette, the e-liquid supply method involved in any of the foregoing embodiments is implemented.
The beneficial effect that the technical solutions that the embodiment of the present disclosure provides brings is: the e-liquid can be supplied safely and reliably. In the initial stage of lighting the cigarette, an appropriate amount of e-liquid is supplied at one time, so that the absorbing member is just wetted and the phenomenon of dry burning and sticky smell is avoided; after suppling the e-liquid for the first time, an appropriate amount of e-liquid is supplied in real time, according to the liquid supply amount of the e-liquid corresponding to the real-time temperature of the heating member, so that the supply and consumption of e-liquid can be balanced, avoid the phenomenon of oil frying or even oil spill due to excessive e-liquid supply. It also avoids the phenomenon of dry burning and sticky smell due to insufficient e-liquid supply.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is the relationship diagram 1 of the real-time temperature change value and time of the heating member of an embodiment of the present disclosure;
FIG. 2 is the relationship diagram 2 of the real-time temperature change value and time of the heating member of an embodiment of the present disclosure;
FIG. 3 is the flow chart of the e-liquid supply method of an embodiment of the present disclosure;
FIG. 4 is a flowchart of the steps of obtaining a real-time temperature of a heating member of an aerosol generating device of the e-liquid supply method according to an embodiment of the present disclosure;
FIG. 5 is a flow chart of the steps of supplying a e-liquid for the first time in the e-liquid supply method according to an embodiment of the present disclosure;
FIG. 6 is a flowchart of the steps of obtaining the number of times that the real-time temperature change value of the heating member is not less than a temperature change threshold within a second preset period after lighting a cigarette in the e-liquid supply method according to an embodiment of the present disclosure.

DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS

The technical solution of the present disclosure will be described clearly and completely below with reference to the embodiments shown in figures . Obviously, the described embodiments are only some of the embodiments of the present disclosure, rather than all of the embodiments. Based on the description of the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without creative work shall fall within the protection scope of the present disclosure.
The aerosol generating device of the embodiment of the present disclosure is an aerosol generating device that uses an air pump to supply e-liquid. The aerosol generating device may include: atomizer, absorbing member, heating member and other components. The absorbing member may be cotton, fiber, absorbent ceramic, or the like. The heating member may be a heating wire, a heating sheet, or the like. The inventor of the present disclosure unexpectedly found in the research work that within a certain period of time after lighting the cigarette, under the condition that the heating member is different, the amount of e-liquid is different, and the initial temperature of the heating member is different, the real-time temperature change value of the heating member has a certain relationship with the remaining e-liquid in the atomizer. Specifically, as shown in FIG. 1, the amount of e-liquid in series 1 to 7 gradually decreases, and as the amount of e-liquid decreases, the real-time temperature change value of the heating member will become higher and higher. Similarly, as shown in FIG. 2, the amount of e-liquid in series 1 to 2 gradually decreases, and as the amount of e-liquid decreases, the real-time temperature change value of the heating member will become higher and higher. In addition, the initial temperature of the heating member in FIG. 1 is low, and the real-time temperature change value of the heating member is about 60-130°C; the initial temperature of the heating member in FIG.2 is high, and the real-time temperature change value of the heating member is about 50~70°C; therefore, when the initial temperature is low, the real-time temperature change value is larger; when the initial temperature is high, the real-time temperature change value is small. Based on the accidental discovery, the embodiment of the invention provides a e-liquid supply method, using the relation of temperature and e-liquid amount to supply specific amount of e-liquid. It should be understood that the e-liquid of the embodiment of the present invention is an aerosol forming matrix; the e-liquid is not a certain tobacco product or tobacco product.
Specifically, as shown in FIG. 3, the e-liquid supply method according to the embodiment of the present disclosure includes the following steps:
Step S110: obtaining the real-time temperature of the heating member of the aerosol generating device every first preset period after lighting a cigarette.
The first preset period should not be too long, otherwise the real-time temperature of the heating member cannot be more accurately reflected. In a preferred embodiment of the present disclosure, the first preset period is 10ms, the real-time temperature of the heating member is obtained every 10ms, which can not only reflect the real-time temperature but also improve the efficiency.
Because the resistance value of the heating member having a specific material will change with the change of temperature, such as SS316 heating member. Based on this principle, the real-time temperature of the heating member can be determined by detecting the resistance value of the heating member. The inventor of the present disclosure has further discovered unexpectedly in the research work: in the second preset period after lighting the cigarette, under the conditions of the given capacity of the atomizer and the material of the heating member; there is a certain corresponding relationship between the number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold value and the liquid supply amount of the e-liquid.
Based on the above principles, in a preferred embodiment of the present disclosure, a heating member whose resistance value changes with the temperature of the heating member is used. Based on this heating member, as shown in FIG. 4, step S110 specifically includes the following processes:
Step S111: detecting and obtaining the initial resistance value of the heating member after the aerosol generating device is inserted into the atomizer.
Wherein, the initial resistance value of the heating member is represented by R1. The initial resistance value can be detected by the existing detection device.
Step S112: detecting and obtaining the real-time resistance value of the heating member every first preset period, after lighting the cigarette.
Wherein, the real-time resistance value of the heating member is represented by R2, the real-time resistance value can be detected by the existing detection device. For example, the real-time resistance value is detected every 10ms after lighting the cigarette.
Step S113: calculating the real-time temperature of the heating member according to $T = \frac{(R_{2} - R_{1} \times 10) \times 1000}{R_{1} \times TCR} + 20$
.
Among them, TCR represents resistance temperature coefficient of the heating member. In a preferred embodiment of the present disclosure, using this formula, by detecting the resistance of the heating member which is relatively easy and accurate to detect, the real-time temperature of the heating member can be calculated conveniently and accurately, so that the e-liquid can be supplied safely and reliably based on the real-time temperature of the heating member.
Step S120: if at least one real-time temperature change value of the heating member within a second preset period after lighting the cigarette is not less than the temperature change threshold, supplying the e-liquid for the first time.
After lighting the cigarette, the current is turned on, and the real-time temperature of the heating member will change. Among them, the real-time temperature of the heating member obtained for the first time is the initial temperature. That is, the real-time temperature corresponding to the first preset period after lighting the cigarette is the initial temperature. Therefore, the real-time temperature change value is the difference between each real-time temperature and the initial temperature. It should also be understood that since the real-time temperature is acquired every first preset period, the real-time temperature change value is also acquired every first preset period. The time length of the second preset period is greater than the time length of the first preset period. Since the e-liquid is not supplied within the second preset period, the second preset period should not be too long, otherwise dry burning will occur. In a preferred embodiment of the present disclosure, the second preset period is 100ms. The temperature change threshold can be determined according to the initial temperature of the heating member and the material of the heating member. For example, the real-time temperature of the heating member in the first 10ms after lighting the cigarette is the initial temperature. The difference between the real-time temperature and the initial temperature for each 10ms after the first 10ms within 100ms is the real-time temperature change value.
If the real-time temperature change values of the heating member within the second preset period after lighting the cigarette are all smaller than the temperature change threshold, it indicates that the amount of e-liquid remaining in the atomizer of the aerosol generating device is sufficient to make the absorbing member of the aerosol generating device wetting, therefore, it is not necessary to supply new e-liquid.
If at least one real-time temperature change value of the heating member within the second preset period after lighting the cigarette is not less than the temperature change threshold, it indicates that the amount of e-liquid remaining in the atomizer of the aerosol generating device is not enough to wet the absorbing member of the aerosol generating device. Therefore, a first supply of e-liquid is required so that the amount of e-liquid in the atomizer is sufficient to wet the absorbing member of the aerosol generating device.
Therefore, with this step, in the initial period of time after lighting the cigarette, when the amount of cigarette e-liquid is insufficient, the cigarette e-liquid can be supplied for the first time to make the e-liquid absorbing member just wet, so as to avoid the phenomenon of dry burning and sticky smell.
In a preferred embodiment of the present disclosure, supplying the e-liquid for the first time is performed according to the corresponding relationship between the number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold value and the liquid supply amount of the e-liquid within the second preset period after the cigarette is lit. Specifically, as shown in FIG. 5 , step S120 includes the following processes:
Step S121: obtaining the number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold within the second preset period after lighting the cigarette.
In a preferred embodiment of the present disclosure, as shown in FIG. 6, step S121 can be implemented through the following process:
Step S1211: calculating the difference between each real-time temperature of the heating member within the second preset period and the real-time temperature of the heating member acquired for the first time, to obtain the real-time temperature change value of the heating member.
As mentioned above, the real-time temperature of the heating member acquired for the first time is the initial temperature.
Step S1212: determining the temperature change threshold according to the real-time temperature of the heating member obtained for the first time and the material of the heating member obtained for the first time.
Specifically, the correspondence between the real-time temperature obtained for the first time and the temperature change threshold can be determined through a large number of experiments in advance that under heating member having the specific material. Therefore, according to the corresponding relationship, the temperature change threshold can be determined.
Step S1213: comparing the magnitude relationship between each real-time temperature change value of the heating member and the temperature change threshold, to obtain the number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold.

For example, the first preset period is 10ms, and the second preset period is 100ms. The real-time temperatures of the six experimental groups within 100ms are shown in Table 1. If the temperature change threshold is 115°C, the 6th group has a temperature not less than the temperature change threshold, the number of times that the 6th group is not less than the temperature change threshold is 2 times.

Table 1 Real-time temperature in the second preset period

Time/ms	Real-time temperature/ °C (The volume of e-liquid smoke gradually decreases from left to right)
Time/ms	1	2	3	4	5	6
10	20	24	20	26	26	20
20	22	35	30	40	85	103
30	35	44	38	56	90	110
40	42	63	87	92	100	115
50	51	67	90	96	105	119
60	60	72	94	99	107	119
70	67	76	99	106	119	126
80	79	99	103	112	124	130
90	81	100	103	112	124	140
100	88	101	108	115	137	135

In this step, through the above process, the number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold value can be obtained.
Step S122: according to a first preset relationship, suppling the e-liquid for the first time according to the liquid supply amount of the e-liquid corresponding to the number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold within the second preset period after lighting the cigarette.
Wherein, the first preset relationship is that under the constraints of the capacity of the atomizer of the aerosol generating device and the material of the heating member, the corresponding relationship between the number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold within the second preset period after lighting the cigarette and the liquid supply amount of the e-liquid. The corresponding relationship satisfies the requirement of wetting the absorbing member of the aerosol generating device. The capacity of the atomizer is different, and the material of the heating member is different, which will affect the real-time temperature, the temperature change threshold, the amount of e-liquid that can be accommodated, etc. Therefore, it will affect the liquid supply amount of the e-liquid. The first preset relationship can be determined in advance through a large number of experiments. Specifically, the corresponding relationship test will be performed in advance according to the capacity of different atomizers and the materials of different heating members to determine the liquid supply amount of e-liquid required to just wet the absorbing member of the aerosol generating device. Generally, the more times the real-time temperature change value is not less than the temperature change threshold, the less the amount of e-liquid remaining in the atomizer.
The above-obtained first preset relationship may be represented by a curve, a table, a formula, or the like. The first preset relationship may be stored in the electronic cigarette chip, the cloud, a third party, and the like.
Therefore, in a preferred embodiment of the present disclosure, in the initial stage of cigarette lighting, according to the first preset relationship, according to the liquid supply amount corresponding to the number of times that the real-time temperature change of the heating member is not less than the temperature change threshold within the second preset period after lighting the cigarette, an appropriate amount of e-liquid is supplied at one time, so that the absorbing member of the aerosol generating device is just wet, so as to avoid the phenomenon of dry burning and sticky smell.
Step S130: after suppling the e-liquid for the first time, suppling the e-liquid in real time according to the liquid supply amount of the e-liquid corresponding to the real-time temperature of the heating member.
after supplying the e-liquid for the first time, along with the consumption of e-liquid, it is necessary to supply e-liquid in real time to avoid the phenomenon of dry burning and sticky smell caused by not supplying e-liquid in time. Therefore, in this step, according to the real-time temperature of the heating member, a corresponding amount of e-liquid is supplied in real time. Specifically, the liquid supply amount of the e-liquid corresponding to the real-time temperature of the heating member satisfies the requirement of maintaining a balance between the liquid supply amount of the e-liquid and the liquid consumption amount of the e-liquid.
Specifically, step S130 can be implemented through the following process:
according to the second preset relationship, after the e-liquid is supplied for the first time, the e-liquid is supplied in real time according to the liquid supply amount of the e-liquid corresponding to the real-time temperature of the heating member.
Wherein, the second preset relationship is that under the constraints of the capacity of the atomizer of the aerosol generating device and the material of the heating member, the corresponding relationship between the real-time temperature of the heating member and the liquid supply amount of the e-liquid, and the corresponding relationship satisfies the requirement of maintaining a balance between the liquid supply amount of the e-liquid and the liquid consumption amount of the e-liquid. The capacity of the atomizer is different, and the material of the heating member is different, which will affect the real-time temperature, the amount of e-liquid that can be accommodated, etc., therefore, it will affect the liquid supply amount of the e-liquid. The second preset relationship can be determined in advance through a large number of experiments. Specifically, according to the capacity of different atomizers and the material of different heating members, the corresponding relationship test will be carried out in advance to determine the liquid supply amount of e-liquid that keeps the liquid supply amount of e-liquid and the e-liquid consumption of e-liquid in balance.
The above-obtained second preset relationship may be represented by a curve, a table, a formula, or the like. The second preset relationship may be stored in the electronic cigarette chip, the cloud, a third party, and the like.
According to the second preset relationship, a corresponding amount of e-liquid is supplied, so as to kept the liquid supply amount of the e-liquid and the liquid consumption amount of the e-liquid in balance, and avoid the phenomenon of dry burning and sticky smell.
To sum up, the e-liquid supply method according to the embodiment of the present disclosure, the e-liquid can be supplied safely and reliably. In the initial stage of cigarette lighting, an appropriate amount of e-liquid is supplied at one time, so that the e-liquid absorbing member is just wetted and the phenomenon of dry burning and sticky smell is avoided. after the first supply of e-liquid, according to the liquid supply amount of e-liquid corresponding to the real-time temperature of the heating member, an appropriate amount of e-liquid is supplied in real time, so that the supply and consumption of e-liquid can be balanced, avoid the phenomenon of oil frying or even oil spill due to excessive e-liquid supply. It also avoids the phenomenon of dry burning and sticky smell due to insufficient e-liquid supply.
An embodiment of the present disclosure also provides a e-liquid supply device, the e-liquid supply device includes: a memory and a processor; at least one program instruction is stored in the memory; the processor, by loading and executing the at least one program instruction, implements the e-liquid supply method involved in any of the foregoing embodiments.
An embodiment of the present disclosure further provides an aerosol generating device, the aerosol generating device includes the e-liquid supply device provided in the above-mentioned embodiment, and details are not described herein again.
An embodiment of the present disclosure also provides a computer-readable storage medium, the computer-readable storage medium has computer program instructions stored thereon. When the computer program instructions are executed by the processor, the e-liquid supply method provided by any of the above embodiments is implemented, and details are not described herein again.
Those of ordinary skill in the art can understand that all or part of the steps of implementing the above embodiments can be completed by hardware, it can also be completed by instructing the relevant hardware through the program, the described program can be stored in a computer-readable storage medium, the above-mentioned storage medium can be a read-only memory, a magnetic disk or an optical disk, and the like.
The above is only a preferred embodiment of the present disclosure, and is not intended to limit the present disclosure. Any modification, equivalent substitution, improvement and the like within the spirit and principle of the present disclosure should be included within the protection scope of the present disclosure.

Claims

A e-liquid supply method for an aerosol generating device, wherein the e-liquid supply method comprises:
obtaining a real-time temperature of a heating member of an aerosol generating device every first preset period after lighting a cigarette;

if at least one real-time temperature change value of the heating member within a second preset period after lighting the cigarette is not less than a temperature change threshold, suppling a e-liquid for the first time, wherein, the time length of the second preset period is greater than the time length of the first preset period; and

after suppling the e-liquid for the first time, suppling the e-liquid in real time according to a liquid supply amount of the e-liquid corresponding to the real-time temperature of the heating member.
The e-liquid supply method according to claim 1, wherein the step of obtaining a real-time temperature of a heating member of an aerosol generating device every first preset period after lighting a cigarette comprises:
detecting and obtaining an initial resistance value of the heating member after the aerosol generating device is inserted into an atomizer;

detecting and obtaining a real-time resistance value of the heating member every first preset period after lighting the cigarette;

calculating the real-time temperature of the heating member according to $T = \frac{(R_{2} - R_{1} \times 10) \times 1000}{R_{1} \times TCR} + 20$
, wherein, R1 represents the initial resistance value of the heating member, R2 represents the real-time resistance value of the heating member, TCR represents a resistance temperature coefficient of the heating member, the resistance value of the heating member changes as the temperature of the heating member changes.
The e-liquid supply method according to claim 1, wherein the step of if at least one real-time temperature change value of the heating member within a second preset period after lighting the cigarette is not less than a temperature change threshold, suppling a e-liquid for the first time comprises:
obtaining a number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold within the second preset period after lighting the cigarette;

according to a first preset relationship, suppling the e-liquid for the first time according to the liquid supply amount of the e-liquid corresponding to the number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold within the second preset period after lighting the cigarette;

wherein, the first preset relationship is: under the constraints of a capacity of the atomizer of the aerosol generating device and material of the heating member, the corresponding relationship between the number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold within the second preset period after lighting the cigarette and the liquid supply amount of the e-liquid.
The e-liquid supply method according to claim 3, wherein the liquid supply amount of the e-liquid corresponding to the number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold within the second preset period after lighting the cigarette, satisfies the requirement to make an absorbing member of the aerosol generating device wet.
The e-liquid supply method according to claim 3, wherein the step of obtaining a number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold within the second preset period after lighting the cigarette comprises:
calculating the difference between each real-time temperature of the heating member in the second preset period and the real-time temperature of the heating member acquired for the first time, to obtain the real-time temperature change value of the heating member;

determining the temperature change threshold according to the real-time temperature of the heating member obtained for the first time and the material of the heating member;

comparing the magnitude relationship between each real-time temperature change value of the heating member and the temperature change threshold, to obtain the number of times that the real-time temperature change value of the heating member is not less than the temperature change threshold.
The e-liquid supply method according to claim 1, wherein the step of after suppling the e-liquid for the first time, suppling the e-liquid in real time according to a liquid supply amount of the e-liquid corresponding to the real-time temperature of the heating member comprises:
according to a second preset relationship, after suppling the e-liquid for the first time, suppling the e-liquid in real time according to the liquid supply amount of the e-liquid corresponding to the real-time temperature of the heating member;

wherein, the second preset relationship is that under the constraints of a capacity of the atomizer of the aerosol generating device and material of the heating member, the corresponding relationship between the real-time temperature of the heating member and the liquid supply amount of the e-liquid.
The e-liquid supply method according to claim 6, wherein the liquid supply amount of the e-liquid corresponding to the real-time temperature of the heating member satisfies the requirement to make the liquid supply amount of the e-liquid and a liquid consumption amount of the e-liquid maintain a balance.
A e-liquid supply device comprising: a memory and a processor; at least one program instruction stored in the memory; the processor, by loading and executing the at least one program instruction, implementing the e-liquid supply method according to one of claim 1 to 7.
An aerosol generating device comprising: the e-liquid supply device according to claim 8.
A computer-readable storage medium, wherein one or more instructions are stored in the computer-readable storage medium, when the one or more instructions are executed by the processor in the electronic cigarette, the e-liquid supply method according to one of claim 1 to 7 can implemented.