CN211794344U - Electronic cigarette and autonomous control circuit thereof - Google Patents
Electronic cigarette and autonomous control circuit thereof Download PDFInfo
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- CN211794344U CN211794344U CN202020115295.8U CN202020115295U CN211794344U CN 211794344 U CN211794344 U CN 211794344U CN 202020115295 U CN202020115295 U CN 202020115295U CN 211794344 U CN211794344 U CN 211794344U
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Abstract
An autonomic control circuit and electron cigarette of electron cigarette, autonomic control circuit includes: the device comprises an airflow sensing assembly, an amplifying assembly, a power control assembly and a power adjusting assembly; the airflow sensing assembly collects airflow flowing signals when a user inhales smoke and generates corresponding voltage signals; the signal amplification component is used for carrying out signal amplification on the voltage signal; the power control component generates a power adjusting signal according to the voltage variation of the amplified voltage signal; the power adjusting component adjusts the cigarette cartridge output power of the electronic cigarette according to the power adjusting signal; therefore, the embodiment can change the smoke cartridge output power of the electronic cigarette in real time according to the actual smoking taste of the user, so that the smoke output effect of the electronic cigarette can meet the smoking quantity demand of the user in real time, good smoking experience is brought to the user, and the practical value is high.
Description
Technical Field
The application belongs to the technical field of electronic circuits, and particularly relates to an electronic cigarette and an autonomous control circuit thereof.
Background
With the increasing updating and upgrading of scientific and technological products, more and more novel products replace the original products, and better scientific and technological experience is brought to people; take an electronic cigarette as an example, wherein the electronic cigarette can imitate the appearance of a cigarette and has the same smoke and taste feeling as the cigarette; when people use the electronic cigarette to smoke, better novelty and scientific and technological feelings can be brought to people, so that people gradually use the electronic cigarette to replace the traditional cigarette so as to meet the actual smoking requirements of people.
However, the traditional electronic cigarette is usually fixed smoke output, but different smokers have different smoking taste requirements, part smokers are used to fast smoking, part smokers are used to slow smoking, the electronic cigarette in the traditional technology cannot meet different smoking tastes of users, the smoke output effect cannot be adjusted according to the smoking habits of the users, so that the smoke taste is reduced, and the user experience is poor.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the application provides an autonomous control circuit of an electronic cigarette and an electronic cigarette, and aims to solve the problem that the application range of the electronic cigarette is low because the conventional technical scheme cannot adjust the smoke output effect according to the smoking taste demand of a user, and the smoking experience of the user is reduced.
A first aspect of an embodiment of the present application provides an autonomous control circuit of an electronic cigarette, including:
an airflow sensing component configured to collect airflow flow signals of a user's smoking and generate corresponding voltage signals when the user takes a puff;
a signal amplification component connected with the airflow sensing component and configured to amplify the voltage signal;
the power control component is connected with the signal amplification component and is configured to generate a power regulation signal according to the voltage change of the amplified voltage signal; and
a power adjustment component coupled to the power control component and configured to adjust a cartridge output power of the electronic cigarette based on the power adjustment signal.
In one embodiment thereof, the signal amplification assembly comprises:
the circuit comprises a first comparator, a first resistor, a second resistor, a third resistor, a fourth resistor and a fifth resistor;
a positive phase input end of the first comparator is connected with a first end of the third resistor, a first end of the fourth resistor and a first end of the fifth resistor are connected with a second end of the third resistor in a common mode, a second end of the fifth resistor is connected with the ground, and a second end of the fourth resistor is connected with the airflow sensing assembly;
the first end of the first resistor and the first end of the second resistor are connected to the negative phase input end of the first comparator in a shared mode, the second end of the first resistor is connected to the first reference power supply in a connected mode, and the second end of the second resistor and the output end of the first comparator are connected to the power control assembly in a shared mode.
In one embodiment thereof, the power control assembly comprises:
a control chip, a first capacitor, a second capacitor, a first crystal oscillator,
The first end of the first capacitor and the first end of the first crystal oscillator are connected to a first oscillation input pin of the control chip, the second end of the first crystal oscillator and the first end of the second capacitor are connected to a second oscillation input pin of the control chip, and the second end of the first capacitor and the second end of the second capacitor are connected to the ground;
the signal input pin of the control chip is connected with the signal amplification component;
and a signal output pin of the control chip is connected with the power regulating component.
In one embodiment, the method further comprises:
the key component is connected with the power control component and is configured to generate a first control signal according to a first key signal, generate a second control signal according to a second key and generate a third control signal according to a third key signal;
the power control assembly is used for generating a power adjusting signal according to the voltage variation of the amplified voltage signal and the first control signal, acquiring first preset output power set by a user according to the second control signal and generating a first setting signal, and generating a second setting signal according to the third control signal;
the power adjusting assembly is used for adjusting the cartridge output power of the electronic cigarette according to the power adjusting signal, controlling the electronic cigarette to output the cartridge with the first preset output power according to the first setting signal, and controlling the cartridge output power of the electronic cigarette to keep constant according to the second setting signal.
In one embodiment, the key assembly includes: the key switch and the sixth resistor;
the first end of the key switch is connected with the power control assembly, the second end of the key switch is connected with the first end of the sixth resistor, and the second end of the sixth resistor is grounded.
In one embodiment, the method further comprises:
a rate display component coupled to the airflow sensing component and configured to display a user's smoking rate based on the airflow flow signal.
In one embodiment, the method further comprises:
a smoking alert component coupled to the airflow sensing component and configured to issue a smoking alert signal when the user's smoking rate is greater than a preset safe rate.
In one embodiment, the method further comprises:
a power display component coupled to the power adjustment component and configured to display a cartridge output power of the electronic cigarette.
In one embodiment, the method further comprises:
and the wireless transmission component is connected with the power regulation component and the mobile terminal and is configured to wirelessly output the cigarette cartridge output power of the electronic cigarette to the mobile terminal.
A second aspect of embodiments of the present application provides an electronic cigarette, comprising: an autonomous control circuit as described above.
The autonomous control circuit of the electronic cigarette acquires an airflow flowing signal of a user through the airflow sensor, can obtain the smoking smoke volume demand information of the user according to the airflow flowing signal, and adjusts the cigarette cartridge output power of the electronic cigarette according to the smoking smoke volume demand of the user, so that the cigarette cartridge output power of the electronic cigarette can be adaptively and flexibly adjusted according to the smoking taste demand of the user; therefore, the smoke output effect of the electronic cigarette is changed in real time according to the favorite requirement of the smoking amount of the user, the smoking experience of the user is improved, and the application range is wider.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an autonomous control circuit of an electronic cigarette according to an embodiment of the present disclosure;
fig. 2 is a schematic circuit diagram of a signal amplifying assembly according to an embodiment of the present disclosure;
fig. 3 is a schematic circuit diagram of a power control module according to an embodiment of the present disclosure;
figure 4 is another schematic structural diagram of an autonomous control circuit of an electronic cigarette according to an embodiment of the present disclosure;
fig. 5 is a schematic circuit diagram of a key assembly according to an embodiment of the present disclosure;
figure 6 is another schematic structural diagram of an autonomous control circuit of an electronic cigarette according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of an electronic cigarette according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It should be noted that the term "electronic cigarette" as used herein includes various types of electronic cigarettes in the art, and the autonomous control circuit in the embodiment of the present application is applicable to various types of electronic cigarettes, regardless of the shape, size or appearance of the electronic cigarette.
Referring to fig. 1, a schematic structural diagram of an autonomous control circuit 10 of an electronic cigarette provided in the embodiment of the present application can flexibly adjust a smoke output effect of the electronic cigarette through the autonomous control circuit 10, so as to meet a smoking habit of a user, and further bring a good smoking experience to the user; for convenience of explanation, only the parts related to the present embodiment are shown, and detailed as follows:
the autonomous control circuit 10 includes: an airflow sensing assembly 101, a signal amplification assembly 102, a power control assembly 103, and a power conditioning assembly 104.
Optionally, the airflow sensing assembly 101 includes an airflow sensor, which is, for example, of the type: S6025-L02, acquiring the smoking force and the flow rate of the airflow of the user according to the airflow sensor to form an airflow signal, and acquiring the actual smoking requirement of the user according to the airflow signal; for example, when the oral airflow flow rate of the user is higher when smoking, the smoking smoke volume demand of the user is higher, and when the oral airflow flow rate of the user is lower when smoking, the smoking smoke volume demand of the user is lower; after the airflow sensing assembly 101 collects airflow flowing signals of a user, the airflow sensing assembly 101 outputs voltage signals with preset voltage amplitude, wherein the voltage signals belong to electric signals, the voltage signals and the airflow flowing signals have one-to-one correspondence, the smoke output state of the electronic cigarette can be adaptively adjusted based on the voltage signals, and the adaptive adjustment precision of the smoke output state of the electronic cigarette is improved.
The signal amplification assembly 102 is connected to the airflow sensing assembly 101 and configured to perform signal amplification on the voltage signal.
The signal amplification component 102 has a signal amplification function, and the voltage of the voltage signal can be amplified by the signal amplification component 102, so that the voltage of the voltage signal output by the airflow sensing component 101 is prevented from being too low, and the smoke regulation precision of the electronic cigarette is reduced.
The power control component 103 is connected to the signal amplification component 102, and configured to generate a power adjustment signal according to a voltage variation of the amplified voltage signal.
The voltage signal after signal amplification contains specific smoke regulation information, and when the flow speed of the airflow in the oral cavity is changed when a user smokes, the voltage of the voltage signal received by the power control component 103 is also changed correspondingly; illustratively, the voltage of the voltage signal received by power control component 103 is greater when the flow velocity of the airflow within the oral cavity is greater when the user is smoking, and the voltage of the voltage signal received by power control component 103 is less when the flow velocity of the airflow within the oral cavity is less when the user is smoking; therefore, the power control module 103 in this embodiment detects the voltage fluctuation condition of the amplified voltage signal to output the power adjustment signal, and dynamically changes the smoke output state of the electronic cigarette based on the power adjustment signal, thereby speeding up the adaptive control efficiency and accuracy of the smoke output state of the electronic cigarette.
The power adjustment component 104 is connected to the power control component 103 and is configured to adjust the cartridge output power of the e-cigarette in accordance with the power adjustment signal.
The electronic cigarette comprises a cartridge, wherein the cartridge is used for generating smoke so as to simulate the situation of outputting the smoke of a human during smoking, so that a user has higher sense of reality when using the electronic cigarette; a certain amount of tobacco tar is stored in the cigarette cartridge, when the electronic cigarette works, the tobacco tar in the cigarette cartridge can atomize gas under the action of the atomizer, and when the output power of the cigarette cartridge of the electronic cigarette is changed, the speed of smoke output by the cigarette cartridge and the flow of the gas can also be changed in a self-adaptive manner; the power adjusting signal belongs to a digital quantity, so the power adjusting component 104 performs signal analysis on the power adjusting signal to change the smoke shape and the smoke quantity output by the electronic cigarette; the smoke quantity output by the electronic cigarette can completely meet the smoking taste requirement of the user, and a real smoking use environment is created for the user.
In the structural schematic of the autonomous control circuit 10 shown in fig. 1, the airflow sensing component 101 is used for collecting the oral airflow flowing state of the user during smoking, and converting the oral airflow flowing state into a voltage signal, so that the smoke output state of the electronic cigarette can be flexibly adjusted based on the voltage signal, and the smoke output by the electronic cigarette can completely meet the actual smoking requirement of the user, thereby improving the smoking experience of the user; therefore, the autonomous control circuit 10 in this embodiment can change the smoke output state according to the smoking habit of the user, and the smoke output state has a flexible control function, thereby solving the problem that the smoke output effect of the electronic cigarette cannot be adjusted in the conventional technology and the smoking experience of the user is not good.
As an alternative implementation, fig. 2 shows a schematic circuit schematic structure of the signal amplifying assembly 102 provided in this embodiment, please refer to fig. 2, where the signal amplifying assembly 102 includes: the circuit comprises a first comparator Cmp1, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4 and a fifth resistor R5.
The non-inverting input end of the first comparator Cmp1 is connected to the first end of the third resistor R3, the first end of the fourth resistor R4 and the first end of the fifth resistor R5 are commonly connected to the second end of the third resistor R3, the second end of the fifth resistor R5 is grounded GND, and the second end of the fourth resistor R4 is connected to the airflow sensing component 101; the airflow sensing assembly 101 outputs the voltage signal to the signal amplifying assembly 102, and the voltage signal is divided by combining the fourth resistor R4 and the fifth resistor R5 and then output and amplified.
The first end of the first resistor R1 and the first end of the second resistor R2 are connected to the negative phase input end of the first comparator Cmp1, the second end of the first resistor R1 is connected to a first reference power supply Vref, and optionally, the first reference power supply Vref is a direct current power supply of 1V-10V; the second terminal of the second resistor R2 and the output terminal of the first comparator Cmp1 are commonly connected to the power control module 103.
This embodiment can carry out voltage amplification to voltage signal through first comparator Cmp1, and its voltage amplification's precision is higher, and circuit structure is comparatively simplified, is favorable to promoting voltage signal's voltage amplification efficiency.
As an alternative implementation, fig. 3 shows a schematic circuit schematic structure of the power control module 103 provided in this embodiment, please refer to fig. 3, where the power control module 103 includes: the circuit comprises a control chip U1, a first capacitor C1, a second capacitor C2 and a first crystal oscillator Y1.
A first end of the first capacitor C1 and a first end of the first crystal oscillator Y1 are commonly connected to a first oscillation input pin XTAL1 of the control chip U1, a second end of the first crystal oscillator Y1 and a first end of the second capacitor C2 are commonly connected to a second oscillation input pin XTAL2 of the control chip U1, and a second end of the first capacitor C1 and a second end of the second capacitor C2 are commonly connected to the ground GND; the first crystal oscillator Y1 can provide a specific crystal oscillator frequency to the control chip U1, so as to maintain the operation stability and safety of the control chip U1.
A signal input pin of the control chip U1 is connected with the signal amplification component 102; illustratively, as shown in fig. 3, the signal input pins of the control chip U1 include: p1.2, P1.3, P1.4, P1.5, P1.6 and P1.7.
The signal output pin of the control chip U1 is connected with the power regulating component 104; illustratively, as shown in fig. 3, the signal output pin of the control chip U1 includes: p0.0, P0.1, P0.2, P0.3, P0.4, P0.5, P0.6 and P0.7.
Illustratively, the control chip U1 is an AT89C51 single chip or an AT89C2051 single chip; and then when the signal input pin of control chip U1, carry out accurate detection to the voltage variation of voltage signal through control chip U1 to the self-adaptation output power adjustment signal, improved the voltage size control accuracy to the voltage signal.
As an alternative implementation, fig. 4 shows another structural schematic of the autonomous control circuit 10 provided in this embodiment, and compared with the structural schematic of the autonomous control circuit 10 in fig. 1, the autonomous control circuit 10 in fig. 4 further includes: and the key assembly 105, the key assembly 105 is connected with the power control assembly 104 and configured to generate a first control signal according to the first key signal, generate a second control signal according to the second key, and generate a third control signal according to the third key signal.
Optionally, the first key signal, the second key signal, and the third key signal are all generated by a user or by an external electronic device, so that the signal output state of the key assembly 105 can be changed according to the key information.
The power control component 103 is configured to generate a power adjustment signal according to the voltage variation of the amplified voltage signal according to the first control signal, obtain a first preset output power set by a user according to the second control signal, generate a first setting signal, and generate a second setting signal according to the third control signal.
The power adjusting component 104 is configured to adjust the cartridge output power of the electronic cigarette according to the power adjusting signal, control the electronic cigarette to output the cartridge with a first preset output power according to the first setting signal, and control the cartridge output power of the electronic cigarette to be constant according to the second setting signal.
In this embodiment, the output state of the smoke of the electronic cigarette can be adjusted by various types of key signals output by the key assembly 105, when the key assembly 105 receives a first key signal, the power control assembly 103 can adjust the working state of the power adjusting assembly 104 according to the voltage change condition of the voltage signal, and at this time, the output state of the smoke of the electronic cigarette can be adjusted according to the smoking taste requirement of the user; when the key assembly 105 receives the second key signal, the power control assembly 103 obtains a first preset output power set by the user, wherein the first preset output power is the optimal smoking amount requirement of the user, and at the moment, the working state of the power adjusting assembly 104 is changed through the first setting signal, so that the electronic cigarette can output smoke with the output power matched with the smoking amount requirement of the user, and the optimal smoking experience is brought to the user; when the key assembly 105 receives the third key signal, the power control assembly 103 outputs a second setting signal, the power adjusting assembly 104 makes the output power of the cigarette cartridge unable to be changed according to the second setting signal, and the electronic cigarette outputs smoke with the fixed output power of the cigarette cartridge; therefore, in the embodiment, the smoke output mode of the electronic cigarette can be changed by different types of control signals output by the key assembly 105, and the smoke output state of the electronic cigarette can be adjusted in a diversified manner.
As an alternative implementation, fig. 5 shows a schematic circuit structure of the key assembly 105 provided in this embodiment, please refer to fig. 5, in which the key assembly 105 includes: a key switch SW1 and a sixth resistor R6.
The first terminal of the key switch SW1 is connected to the power control module 103, the second terminal of the key switch SW1 is connected to the first terminal of the sixth resistor R6, and the second terminal of the sixth resistor R6 is connected to the ground GND.
The first control signal, the second control signal or the third control signal can be outputted by triggering the key switch SW1, and the key assembly 105 has a simplified key control procedure.
To better illustrate the specific principle of the key assembly 105 changing the smoke output mode of the electronic cigarette, the following description is made by referring to fig. 1 to 5, and with reference to the following specific application scenarios:
1. when the key switch SW1 is triggered once, the electronic cigarette is started by a key, the default state of the electronic cigarette is power-on no-power output, at this time, the key assembly 105 outputs a first control signal, when a user smokes a cigarette with mouth, airflow flows through the airflow sensing assembly 101, and the airflow sensing assembly 101 senses the change of the airflow and outputs a voltage signal; after the signal amplification of the signal amplification component 102, outputting the voltage signal after the signal amplification to the power control component 103; after the signal conversion is carried out through the power control component 103, the power regulation state of the power regulation component 104 is changed through the power regulation signal, so that the electronic cigarette has flexible cigarette cartridge output power; therefore, the output power of the smoke cartridge is different through different suction forces of users, the taste experience is different, and the experience feeling of the users is better for each user.
2. When a user smokes, the smoke output power of the electronic cigarette is the optimal smoke output power of the user, and when the key switch SW1 is continuously triggered for 2 times, the key assembly 105 outputs the second control signal, so that the smoke output power at this time is fixed, and when the user smokes next time, the first preset output power of the last time is fixed to output smoke, so as to meet the actual smoking requirement of the user.
3. If the user needs to flexibly change the smoke output state of the electronic cigarette, or when the user changes the cigarette cartridge of the electronic cigarette and does not want to fix the output power of the fixed cigarette cartridge of the electronic cigarette, the key switch SW1 is pressed and triggered for 3 seconds, and at the moment, the key assembly 105 outputs a first control signal, so that the electronic cigarette can adjust the smoke output state according to the smoking taste requirement of the user.
4. If it is desired that the cigarette cartridge output power of the electronic cigarette is kept constant, the key assembly 105 is continuously triggered 3 times or 4 times, and then the key assembly 105 outputs a third control signal, so that the smoke output state of the electronic cigarette is kept unchanged, and the control response performance of the smoke output state of the electronic cigarette is greatly guaranteed.
Therefore, the present embodiment sets the smoke output mode of the electronic cigarette by controlling the triggering times and the triggering time of the key switch SW1, and the operation is simple, and the smoke output state of the electronic cigarette has flexible and simple adjustment performance.
As an alternative implementation, fig. 6 shows another structural schematic of the autonomous control circuit 10 provided in this embodiment, and compared with the structural schematic of the autonomous control circuit 10 in fig. 1, the autonomous control circuit 10 in fig. 6 further includes: a rate display component 106, a smoking alert component 107, a power display component 108, and a wireless transmission component 109.
Wherein, rate display component 106 is coupled to airflow sensing component 101 and is configured to display a user's smoking rate based on the airflow flow signal.
Illustratively, the rate display component 106 includes a display screen, and when the airflow sensing component 101 acquires the smoking rate of the user when smoking, the actual smoking state of the user is acquired; therefore, the present embodiment can display the smoking amount of the user in real time by using the rate display component 106, for example, the airflow transmission rate of the user per second can be displayed in real time by using the rate display component 106, so that the user can intuitively acquire the actual smoking state of the user, and the electronic cigarette has a function of displaying the smoking state of the user, and has a higher practical value.
The puff alert assembly 107 is coupled to the airflow sensing assembly 101 and is configured to issue a puff alert signal when the user's puff rate is greater than a preset safe rate.
Illustratively, the smoking alert assembly 107 includes a photoelectric alarm by which a smoking alert signal can be issued to indicate the smoking safety performance of the user; the preset safe rate is a critical point of the smoking volume of the user, when the smoking rate of the user is greater than the preset safe rate, the smoking volume of the user is too large, for example, when the flow rate of gas transmission in the oral cavity is too large during smoking of the user, the too large smoking rate can cause damage to the health of a human body; the embodiment can acquire and indicate the safe smoking state of the user in real time through the smoking alarm component 107, and guarantees the physical health of the user.
The power display assembly 108 is coupled to the power adjustment assembly 104 and is configured to display the cartridge output power of the electronic cigarette.
When power adjustment subassembly 104 adjusts the smog output state of cigarette bullet according to user's smoking volume demand, then power display subassembly 108 can acquire the smog output volume of cigarette bullet in every second, and then the cigarette bullet output power that shows in real time through power display subassembly 108, the smog output state that so can acquire the electron cigarette in real time according to power display subassembly 108's power display result, so that the user acquires the actual working property of electron cigarette in real time, the smog output state of electron cigarette has higher feedback control performance, good use experience has been brought for the user.
The wireless transmission component 109 is connected with the power adjustment component 104 and the mobile terminal 20, and is configured to wirelessly output the cartridge output power of the electronic cigarette to the mobile terminal 20.
Optionally, the mobile terminal 20 is a mobile phone or a tablet computer, the wireless transmission mode of the wireless transmission component 109 is bluetooth or Zigbee, and further when the power adjustment component 104 changes the smoke output state of the electronic cigarette, the wireless transmission component 109 outputs the smoke cartridge output power of the electronic cigarette to the mobile terminal 20 in various wireless transmission modes, and a user can remotely monitor the smoke output state of the electronic cigarette through the mobile terminal 20, so that better convenience is brought to the electronic cigarette control process of the user; then, the present embodiment improves the communication compatibility of the autonomous control circuit 10 through the wireless transmission component 109, and the mobile terminal 20 is used to obtain the output state of the cartridge in real time, thereby improving the practical value of the autonomous control circuit 10.
Fig. 7 shows a structural schematic diagram of the electronic cigarette 70 provided in this embodiment, please refer to fig. 7, where the electronic cigarette 70 includes the autonomous control circuit 10 as described above; with reference to the embodiments of fig. 1 to 6, further, the electronic cigarette 70 in this embodiment can adjust its smoke output state according to the actual smoking taste requirement of the user, the electronic cigarette 70 has higher smoke adjustment control precision and sensitivity, and the user has higher science and technology sense and sense of reality when using the electronic cigarette; the problem of the electron cigarette among the conventional art can't adjust smog output effect according to user's different smoking taste demands, user's smoking experience is not good is solved.
Various embodiments are described herein for various devices, circuits, apparatuses, systems, and/or methods. Numerous specific details are set forth in order to provide a thorough understanding of the overall structure, function, manufacture, and use of the embodiments as described in the specification and illustrated in the accompanying drawings. However, it will be understood by those skilled in the art that the embodiments may be practiced without such specific details. In other instances, well-known operations, components and elements have been described in detail so as not to obscure the embodiments in the description. It will be appreciated by those of ordinary skill in the art that the embodiments herein and shown are non-limiting examples, and thus, it can be appreciated that the specific structural and functional details disclosed herein may be representative and do not necessarily limit the scope of the embodiments.
Reference throughout the specification to "various embodiments," "in an embodiment," "one embodiment," or "an embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, appearances of the phrases "in various embodiments," "in some embodiments," "in one embodiment," or "in an embodiment," or the like, in places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Thus, a particular feature, structure, or characteristic illustrated or described in connection with one embodiment may be combined, in whole or in part, with features, structures, or characteristics of one or more other embodiments without presuming that such combination is not an illogical or functional limitation. Any directional references (e.g., plus, minus, upper, lower, upward, downward, left, right, leftward, rightward, top, bottom, above …, below …, vertical, horizontal, clockwise, and counterclockwise) are used for identification purposes to aid the reader's understanding of the present disclosure, and do not create limitations, particularly as to the position, orientation, or use of the embodiments.
Although certain embodiments have been described above with a certain degree of particularity, those skilled in the art could make numerous alterations to the disclosed embodiments without departing from the scope of this disclosure. Joinder references (e.g., attached, coupled, connected, and the like) are to be construed broadly and may include intermediate members between a connection of elements and relative movement between elements. Thus, connection references do not necessarily imply that two elements are directly connected/coupled and in a fixed relationship to each other. The use of "for example" throughout this specification should be interpreted broadly and used to provide non-limiting examples of embodiments of the disclosure, and the disclosure is not limited to such examples. It is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative only and not limiting. Changes in detail or structure may be made without departing from the disclosure.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (10)
1. An autonomous control circuit of an electronic cigarette, comprising:
an airflow sensing assembly configured to collect airflow flow signals of a user while smoking a cigarette and generate corresponding voltage signals;
a signal amplification component connected with the airflow sensing component and configured to amplify the voltage signal;
the power control component is connected with the signal amplification component and is configured to generate a power regulation signal according to the voltage change of the amplified voltage signal; and
a power adjustment component coupled to the power control component and configured to adjust a cartridge output power of the electronic cigarette based on the power adjustment signal.
2. The autonomous control circuit of claim 1, wherein the signal amplification assembly comprises:
the circuit comprises a first comparator, a first resistor, a second resistor, a third resistor, a fourth resistor and a fifth resistor;
a positive phase input end of the first comparator is connected with a first end of the third resistor, a first end of the fourth resistor and a first end of the fifth resistor are connected with a second end of the third resistor in a common mode, a second end of the fifth resistor is connected with the ground, and a second end of the fourth resistor is connected with the airflow sensing assembly;
the first end of the first resistor and the first end of the second resistor are connected to the negative phase input end of the first comparator in a shared mode, the second end of the first resistor is connected to the first reference power supply in a connected mode, and the second end of the second resistor and the output end of the first comparator are connected to the power control assembly in a shared mode.
3. The autonomous control circuit of claim 1, wherein the power control component comprises:
the circuit comprises a control chip, a first capacitor, a second capacitor and a first crystal oscillator;
the first end of the first capacitor and the first end of the first crystal oscillator are connected to a first oscillation input pin of the control chip, the second end of the first crystal oscillator and the first end of the second capacitor are connected to a second oscillation input pin of the control chip, and the second end of the first capacitor and the second end of the second capacitor are connected to the ground;
the signal input pin of the control chip is connected with the signal amplification component;
and a signal output pin of the control chip is connected with the power regulating component.
4. The autonomous control circuit of claim 1, further comprising:
the key component is connected with the power control component and is configured to generate a first control signal according to a first key signal, generate a second control signal according to a second key and generate a third control signal according to a third key signal;
the power control assembly is used for generating the power adjusting signal according to the voltage variation of the amplified voltage signal and the first control signal, acquiring first preset output power set by a user according to the second control signal and generating a first setting signal, and generating a second setting signal according to the third control signal;
the power adjusting assembly is used for adjusting the cartridge output power of the electronic cigarette according to the power adjusting signal, controlling the electronic cigarette to output the cartridge with the first preset output power according to the first setting signal, and controlling the cartridge output power of the electronic cigarette to keep constant according to the second setting signal.
5. The autonomous control circuit of claim 4, wherein the key assembly comprises: the key switch and the sixth resistor;
the first end of the key switch is connected with the power control assembly, the second end of the key switch is connected with the first end of the sixth resistor, and the second end of the sixth resistor is grounded.
6. The autonomous control circuit of claim 1, further comprising:
a rate display component coupled to the airflow sensing component and configured to display a user's smoking rate based on the airflow flow signal.
7. The autonomous control circuit of claim 1, further comprising:
a smoking alert component coupled to the airflow sensing component and configured to issue a smoking alert signal when the user's smoking rate is greater than a preset safe rate.
8. The autonomous control circuit of claim 1, further comprising:
a power display component coupled to the power adjustment component and configured to display a cartridge output power of the electronic cigarette.
9. The autonomous control circuit of claim 1, further comprising:
and the wireless transmission component is connected with the power regulation component and the mobile terminal and is configured to wirelessly output the cigarette cartridge output power of the electronic cigarette to the mobile terminal.
10. An electronic cigarette, comprising: an autonomous control circuit according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020115295.8U CN211794344U (en) | 2020-01-17 | 2020-01-17 | Electronic cigarette and autonomous control circuit thereof |
Applications Claiming Priority (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112773001A (en) * | 2021-01-26 | 2021-05-11 | 深圳市海派特光伏科技有限公司 | Atomizer power self-adaptive circuit, chip, control method and atomization device |
| CN115624213A (en) * | 2022-09-30 | 2023-01-20 | 爱奇迹(香港)有限公司 | Power adjusting method and system of electronic atomizer and storage medium |
| CN116889300A (en) * | 2023-09-11 | 2023-10-17 | 深圳市瑞之辰科技有限公司 | Output power adjusting circuit, adjusting method and aerosol generating device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112773001A (en) * | 2021-01-26 | 2021-05-11 | 深圳市海派特光伏科技有限公司 | Atomizer power self-adaptive circuit, chip, control method and atomization device |
| CN115624213A (en) * | 2022-09-30 | 2023-01-20 | 爱奇迹(香港)有限公司 | Power adjusting method and system of electronic atomizer and storage medium |
| CN116889300A (en) * | 2023-09-11 | 2023-10-17 | 深圳市瑞之辰科技有限公司 | Output power adjusting circuit, adjusting method and aerosol generating device |
| CN116889300B (en) * | 2023-09-11 | 2024-03-22 | 深圳市瑞之辰科技有限公司 | Output power adjusting circuit, adjusting method and aerosol generating device |
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