阅读说明：本技术 一种电子烟控制装置、电子烟及控制方法 (Electronic cigarette control device, electronic cigarette and control method ) 是由 王为平 林素敏 于 2020-07-20 设计创作，主要内容包括：本发明公开了一种电子烟控制装置、电子烟,所述电子烟控制装置,包括：咪头控制器芯片,其中,所述咪头控制器芯片,包括：基准时钟电路、电容式咪头检测电路、逻辑判断控制电路、发热丝驱动电路、漏油保护电路；所述逻辑判断控制电路与所述基准时钟电路、电容式咪头检测电路相连接,且接受两者传输的信号,所述电容式咪头检测电路连接并接收电容式咪头传递的信号；此外,所述逻辑判断控制电路又连接到所述漏油保护电路,所述漏油保护电路又连接到所述发热丝驱动电路上。此外,基于上述电子烟和电子烟控制装置,本发明还提供了一种电子烟控制方法。(The invention discloses an electronic cigarette control device and an electronic cigarette, wherein the electronic cigarette control device comprises: a microphone controller chip, wherein the microphone controller chip comprises: the microphone comprises a reference clock circuit, a capacitive microphone detection circuit, a logic judgment control circuit, a heating wire driving circuit and an oil leakage protection circuit; the logic judgment control circuit is connected with the reference clock circuit and the capacitive microphone detection circuit and receives signals transmitted by the reference clock circuit and the capacitive microphone detection circuit, and the capacitive microphone detection circuit is connected with and receives signals transmitted by the capacitive microphone; in addition, the logic judgment control circuit is connected to the oil leakage protection circuit, and the oil leakage protection circuit is connected to the heating wire driving circuit. In addition, based on the electronic cigarette and the electronic cigarette control device, the invention also provides an electronic cigarette control method.)

1. An electronic cigarette control device, comprising:

a microphone controller chip, wherein the microphone controller chip comprises: the microphone comprises a reference clock circuit, a capacitive microphone detection circuit, a logic judgment control circuit, a heating wire driving circuit and an oil leakage protection circuit;

the logic judgment control circuit is connected with the reference clock circuit and the capacitive microphone detection circuit and receives signals transmitted by the reference clock circuit and the capacitive microphone detection circuit, and the capacitive microphone detection circuit is connected with and receives signals transmitted by the capacitive microphone; in addition, the logic judgment control circuit is connected to the oil leakage protection circuit, and the oil leakage protection circuit is connected to the heating wire driving circuit; wherein the content of the first and second substances,

the reference clock circuit provides a fixed reference clock Fvref;

the capacitance type microphone detection circuit detects the capacitance value of the capacitance type microphone and converts the capacitance value of the capacitance type microphone into a clock signal Fmic with corresponding frequency, when smoking, the capacitance value of the capacitance type microphone is increased, and the frequency of the generated corresponding clock signal is decreased;

the logic judgment control circuit judges whether smoking action exists or not by comparing the Fvref and the Fmic frequency.

2. The electronic cigarette control device of claim 1, wherein the oil spill protection circuit detects continuous long-time smoking and continuous smoking and generates a no-smoking signal when the smoking exceeds T1 seconds and N2 consecutive puffs.

3. The electronic vaping control device of claim 2, wherein the T1 is equal to 9 and the N2 is equal to 5.

4. The electronic cigarette control device of claim 2, wherein the oil leak protection circuit comprises: a smoking duration timing counter, a continuous smoking detection counter and an oil leakage and smoke error protection logic control circuit, wherein,

the smoking time timing counter starts timing when smoking is detected, smoking is stopped, the smoking time timing counter is reset, and a smoking timing value is sent to the oil leakage and smoke error smoking protection logic control circuit;

the continuous smoking detection counter counts the number of smoking ports within T3 seconds, if the number of smoking ports is less than N2 smoking times within T3 seconds, the smoking times are cleared, otherwise, the value of the smoking ports is sent to the oil leakage and smoke error smoking protection logic control circuit;

the oil leakage smoke mistaken smoking protection logic control circuit judges whether protection is needed or not according to a smoking time timing result and a continuous smoking frequency detection result, when smoking exceeds T1 seconds and continuous smoking N2 times, a smoking forbidding signal is generated, and a smoking forbidding signal within T4 seconds is generated, so that the heating wire drive control circuit cannot work within T4 seconds.

5. The electronic vaping control device of claim 4, wherein the T3 is equal to 5 and the T4 is equal to 60.

6. An electronic cigarette, comprising: the electronic cigarette control device of any of claims 1-5.

7. An electronic cigarette control method realized based on the electronic cigarette control device of claim 1, characterized by comprising the following steps:

the reference clock circuit provides a fixed reference clock Fvref;

the capacitance type microphone detection circuit detects the capacitance value of the capacitance type microphone and converts the capacitance value of the capacitance type microphone into a clock signal Fmic with corresponding frequency, when smoking, the capacitance value of the capacitance type microphone is increased, and the frequency of the generated corresponding clock signal is decreased;

the logic judgment control circuit judges whether smoking action exists or not by comparing the Fvref and the Fmic frequency.

8. The electronic cigarette control method of claim 7, further comprising: the oil leakage protection circuit detects continuous long-time smoking and continuous smoking, and generates a smoking prohibition signal when the smoking exceeds T1 seconds and N2 times of continuous smoking.

9. The electronic cigarette control method of claim 8, wherein the oil leak protection circuit comprises: smoking duration timing counter, continuous smoking detect counter and oil leak mistake smoking protection logic control circuit, oil leak protection circuit detects continuous long-time smoking and continuous smoking, when smoking surpasses T1 seconds and continuous smoking N2 times, produces and forbids the signal of smoking, specifically includes:

when the smoking time timing counter detects smoking, timing is started, smoking is stopped, the smoking time timing counter is reset, and a smoking timing value is sent to the oil leakage smoking error protection logic control circuit;

counting the number of the smoking ports within T3 seconds by the continuous smoking detection counter, if the number of the smoking ports is less than N2 smoking times within T3 seconds, clearing the smoking times, and otherwise, sending the value of the smoking ports to an oil leakage and smoke error protection logic control circuit;

the oil leakage smoke error smoking protection logic control circuit judges whether protection is needed or not according to the timing result of the smoking duration and the detection result of the continuous smoking times, generates a smoking forbidding signal when smoking exceeds T1 seconds and continuous smoking N2 times, and generates a smoking forbidding signal within T4 seconds, so that the heating wire drive control circuit cannot work within T4 seconds.

10. The electronic cigarette control method of claim 9, wherein the T3 is equal to 5 and the T4 is equal to 60.

11. The electronic cigarette control method of claim 10, wherein the normal use is resumed after the release of the interference of the tobacco tar after T4 seconds if the tobacco tar is detected to enter the electronic cigarette head controller, and the next T4 second lock period is entered if the interference of the tobacco tar is not released.

Technical Field

The invention belongs to an electronic cigarette, and particularly relates to an electronic cigarette control device and an electronic cigarette.

Background

At present, electronic cigarette microphone chips on the market do not completely have an oil leakage protection function, and when oil smoke leaks into the microphone, capacitance value change can be caused, and a microphone controller misjudgment is caused to smoke, so that quick discontinuous output and continuous smoking phenomena occur, long-term work can cause overheating of a battery and the like, overheating can cause fire, and potential safety hazards exist. In the prior art, a microphone inspection technology with adaptive sensitivity exists, but the microphone inspection technology can only protect slow oil leakage, the phenomenon of smoking is still judged by mistake under the condition of fast oil leakage, and meanwhile, the working environment of a microphone controller is complex and changeable, so that the method is difficult to be absolutely complete.

Disclosure of Invention

The invention aims to provide an electronic cigarette control device, an electronic cigarette and a control method of the electronic cigarette.

The technical scheme adopted by the invention for solving the technical problems is as follows:

an electronic cigarette control device comprising:

a microphone controller chip, wherein the microphone controller chip comprises: the microphone comprises a reference clock circuit, a capacitive microphone detection circuit, a logic judgment control circuit, a heating wire driving circuit and an oil leakage protection circuit;

the logic judgment control circuit is connected with the reference clock circuit and the capacitive microphone detection circuit and receives signals transmitted by the reference clock circuit and the capacitive microphone detection circuit, and the capacitive microphone detection circuit is connected with and receives signals transmitted by the capacitive microphone; in addition, the logic judgment control circuit is connected to the oil leakage protection circuit, and the oil leakage protection circuit is connected to the heating wire driving circuit; wherein the content of the first and second substances,

the reference clock circuit provides a fixed reference clock Fvref;

the capacitance type microphone detection circuit detects the capacitance value of the capacitance type microphone and converts the capacitance value of the capacitance type microphone into a clock signal Fmic with corresponding frequency, when smoking, the capacitance value of the capacitance type microphone is increased, and the frequency of the generated corresponding clock signal is decreased;

the logic judgment control circuit judges whether smoking action exists or not by comparing the Fvref and the Fmic frequency.

Preferably, the oil leakage protection circuit detects continuous long-time smoking and continuous smoking, and generates a smoking prohibition signal when the smoking exceeds T1 seconds and the continuous smoking is N2 times.

Preferably, the T1 is equal to 9 and the N2 is equal to 5.

Preferably, the oil leakage protection circuit includes: a smoking duration timing counter, a continuous smoking detection counter and an oil leakage and smoke error protection logic control circuit, wherein,

the smoking time timing counter starts timing when smoking is detected, smoking is stopped, the smoking time timing counter is reset, and a smoking timing value is sent to the oil leakage and smoke error smoking protection logic control circuit;

the continuous smoking detection counter counts the number of smoking ports within T3 seconds, if the number of smoking ports is less than N2 smoking times within T3 seconds, the smoking times are cleared, otherwise, the value of the smoking ports is sent to the oil leakage and smoke error smoking protection logic control circuit;

the oil leakage smoke mistaken smoking protection logic control circuit judges whether protection is needed or not according to a smoking time timing result and a continuous smoking frequency detection result, when smoking exceeds T1 seconds and continuous smoking N2 times, a smoking forbidding signal is generated, and a smoking forbidding signal within T4 seconds is generated, so that the heating wire drive control circuit cannot work within T4 seconds.

Preferably, the T3 is equal to 5 and the T4 is equal to 60.

An electronic cigarette, comprising: the electronic cigarette control device.

An electronic cigarette control method is realized based on the electronic cigarette control device, and comprises the following steps:

the reference clock circuit provides a fixed reference clock Fvref;

the capacitance type microphone detection circuit detects the capacitance value of the capacitance type microphone and converts the capacitance value of the capacitance type microphone into a clock signal Fmic with corresponding frequency, when smoking, the capacitance value of the capacitance type microphone is increased, and the frequency of the generated corresponding clock signal is decreased;

the logic judgment control circuit judges whether smoking action exists or not by comparing the Fvref and the Fmic frequency.

Preferably, the method further comprises the following steps: the oil leakage protection circuit detects continuous long-time smoking and continuous smoking, and generates a smoking prohibition signal when the smoking exceeds T1 seconds and N2 times of continuous smoking.

Preferably, the oil leakage protection circuit includes: smoking duration timing counter, continuous smoking detect counter and oil leak mistake smoking protection logic control circuit, oil leak protection circuit detects continuous long-time smoking and continuous smoking, when smoking surpasses T1 seconds and continuous smoking N2 times, produces and forbids the signal of smoking, specifically includes:

when the smoking time timing counter detects smoking, timing is started, smoking is stopped, the smoking time timing counter is reset, and a smoking timing value is sent to the oil leakage smoking error protection logic control circuit;

counting the number of the smoking ports within T3 seconds by the continuous smoking detection counter, if the number of the smoking ports is less than N2 smoking times within T3 seconds, clearing the smoking times, and otherwise, sending the value of the smoking ports to an oil leakage and smoke error protection logic control circuit;

the oil leakage smoke error smoking protection logic control circuit judges whether protection is needed or not according to the timing result of the smoking duration and the detection result of the continuous smoking times, generates a smoking forbidding signal when smoking exceeds T1 seconds and continuous smoking N2 times, and generates a smoking forbidding signal within T4 seconds, so that the heating wire drive control circuit cannot work within T4 seconds.

Preferably, the T3 is equal to 5 and the T4 is equal to 60.

Preferably, if it is detected that the tobacco tar enters the electronic cigarette head controller, the normal use can be resumed after the tobacco tar interference is removed after T4 seconds are locked, and if the tobacco tar interference is not removed, the next T4 second locking period is entered.

After the scheme is adopted, the explosion and fire safety hidden danger caused by continuous rapid intermittent output and continuous long-time smoking and overheating can be effectively avoided.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The present invention will be described in detail below with reference to the accompanying drawings so that the above advantages of the present invention will be more apparent. Wherein the content of the first and second substances,

FIG. 1 is a schematic circuit diagram of a microphone controller circuit in the electronic cigarette control device of the present invention;

fig. 2 is a schematic circuit diagram of an oil leakage protection circuit in the electronic cigarette control device of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention will be provided with reference to the drawings and examples, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed are within the scope of the present invention.

As shown in fig. 1 and 2, the present invention provides an electronic cigarette, which includes an electronic cigarette control device, wherein the electronic cigarette control device includes:

a microphone controller chip, wherein the microphone controller chip comprises: the microphone comprises a reference clock circuit, a capacitive microphone detection circuit, a logic judgment control circuit, a heating wire driving circuit and an oil leakage protection circuit;

the logic judgment control circuit is connected with the reference clock circuit and the capacitive microphone detection circuit and receives signals transmitted by the reference clock circuit and the capacitive microphone detection circuit, and the capacitive microphone detection circuit is connected with and receives signals transmitted by the capacitive microphone; in addition, the logic judgment control circuit is connected to the oil leakage protection circuit, and the oil leakage protection circuit is connected to the heating wire driving circuit; wherein the content of the first and second substances,

the reference clock circuit provides a fixed reference clock Fvref;

the capacitance type microphone detection circuit detects the capacitance value of the capacitance type microphone and converts the capacitance value of the capacitance type microphone into a clock signal Fmic with corresponding frequency, when smoking, the capacitance value of the capacitance type microphone is increased, and the frequency of the generated corresponding clock signal is decreased;

the logic judgment control circuit judges whether smoking action exists or not by comparing the Fvref and the Fmic frequency.

Preferably, the oil leakage protection circuit detects continuous long-time smoking and continuous smoking, and generates a smoking prohibition signal when the smoking exceeds T1 seconds and the continuous smoking is N2 times.

Preferably, the T1 is equal to 9 and the N2 is equal to 5.

Preferably, the oil leakage protection circuit includes: a smoking duration timing counter, a continuous smoking detection counter and an oil leakage and smoke error protection logic control circuit, wherein,

the smoking time timing counter starts timing when smoking is detected, smoking is stopped, the smoking time timing counter is reset, and a smoking timing value is sent to the oil leakage and smoke error smoking protection logic control circuit;

the continuous smoking detection counter counts the number of smoking ports within T3 seconds, if the number of smoking ports is less than N2 smoking times within T3 seconds, the smoking times are cleared, otherwise, the value of the smoking ports is sent to the oil leakage and smoke error smoking protection logic control circuit;

the oil leakage smoke mistaken smoking protection logic control circuit judges whether protection is needed or not according to a smoking time timing result and a continuous smoking frequency detection result, when smoking exceeds T1 seconds and continuous smoking N2 times, a smoking forbidding signal is generated, and a smoking forbidding signal within T4 seconds is generated, so that the heating wire drive control circuit cannot work within T4 seconds.

Preferably, the T3 is equal to 5 and the T4 is equal to 60.

In addition, the invention also discloses an electronic cigarette control method, which is realized based on the electronic cigarette control device and comprises the following steps:

the reference clock circuit provides a fixed reference clock Fvref;

the capacitance type microphone detection circuit detects the capacitance value of the capacitance type microphone and converts the capacitance value of the capacitance type microphone into a clock signal Fmic with corresponding frequency, when smoking, the capacitance value of the capacitance type microphone is increased, and the frequency of the generated corresponding clock signal is decreased;

the logic judgment control circuit judges whether smoking action exists or not by comparing the Fvref and the Fmic frequency.

Preferably, the method further comprises the following steps: the oil leakage protection circuit detects continuous long-time smoking and continuous smoking, and generates a smoking prohibition signal when the smoking exceeds T1 seconds and N2 times of continuous smoking.

Preferably, the oil leakage protection circuit includes: smoking duration timing counter, continuous smoking detect counter and oil leak mistake smoking protection logic control circuit, oil leak protection circuit detects continuous long-time smoking and continuous smoking, when smoking surpasses T1 seconds and continuous smoking N2 times, produces and forbids the signal of smoking, specifically includes:

when the smoking time timing counter detects smoking, timing is started, smoking is stopped, the smoking time timing counter is reset, and a smoking timing value is sent to the oil leakage smoking error protection logic control circuit;

counting the number of the smoking ports within T3 seconds by the continuous smoking detection counter, if the number of the smoking ports is less than N2 smoking times within T3 seconds, clearing the smoking times, and otherwise, sending the value of the smoking ports to an oil leakage and smoke error protection logic control circuit;

the oil leakage smoke error smoking protection logic control circuit judges whether protection is needed or not according to the timing result of the smoking duration and the detection result of the continuous smoking times, generates a smoking forbidding signal when smoking exceeds T1 seconds and continuous smoking N2 times, and generates a smoking forbidding signal within T4 seconds, so that the heating wire drive control circuit cannot work within T4 seconds.

Preferably, the T3 is equal to 5 and the T4 is equal to 60.

And if the tobacco tar is detected to enter the electronic cigarette head controller, after T4 seconds, the electronic cigarette can be normally used after the tobacco tar interference is removed, and if the tobacco tar interference is not removed, the electronic cigarette head controller enters the next T4 second locking period.

In one embodiment, the specific implementation method of the invention is as follows:

1. when the detected smoking time exceeds 9S (preferred value), the chip stops outputting 60S (preferred value);

2. when 5 continuous smoking times (preferred value) are detected within a certain time of 5S (preferred value), the chip stops outputting 60S (preferred value);

in the time of forbidding to output 60S, the electronic cigarette product can effectively dissipate the heat generated by the last smoking, and can effectively avoid the potential safety hazard of explosion and fire caused by continuous quick intermittent output and continuous long-time smoking overheating.

Specifically, the reference clock circuit provides a fixed reference clock Fvref; the capacitance type microphone detection circuit detects the capacitance value of the capacitance type microphone and converts the capacitance value of the capacitance type microphone into a clock signal Fmic with corresponding frequency, when smoking, the capacitance value of the capacitance type microphone is increased, and the frequency of the generated corresponding clock signal is decreased; the logic judgment control circuit judges whether smoking action exists or not by comparing the Fvref and the Fmic frequency, and meanwhile, the control of LED lamp work indication and the like is completed; the driving circuit consists of a driving circuit and a power tube PMOS; the oil leakage protection circuit detects continuous long-time smoking and continuous smoking, and generates a smoking prohibition signal when the smoking exceeds 9S and the continuous smoking is carried out for 5 times.

When the smoking circuit is detected, the smoking time length timing counter starts to time and stops smoking, the smoking time length timing counter is reset, and the smoking time length timing counter is sent to the oil leakage smoking error protection logic control circuit; the continuous smoking detection counter counts the number of smoking ports within a certain time (preferably 5S), the number of smoking times is less than 5 times within the certain time, the smoking times is cleared, otherwise, the value of the smoking ports is sent to the oil leakage and false smoking protection logic control circuit; the oil leakage mis-smoking protection logic control circuit judges whether protection is needed or not according to the smoking time timing result and the continuous smoking frequency detection result, when the smoking time timing value is larger than 9S or the smoking port value is larger than 5, the oil leakage mis-smoking protection logic control circuit generates a 60S smoking forbidding signal to enable the heating wire to drive the control circuit 60S to be incapable of working, and therefore potential safety hazards caused by overheating of electronic cigarette products due to continuous working of the heating wire are avoided.

After the scheme is adopted, the explosion and fire safety hidden danger caused by continuous rapid intermittent output and continuous long-time smoking and overheating can be effectively avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.