CN215013621U - Electronic cigarette control circuit - Google Patents
Electronic cigarette control circuit Download PDFInfo
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- CN215013621U CN215013621U CN202120908160.1U CN202120908160U CN215013621U CN 215013621 U CN215013621 U CN 215013621U CN 202120908160 U CN202120908160 U CN 202120908160U CN 215013621 U CN215013621 U CN 215013621U
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Abstract
The utility model discloses an electron cigarette control circuit, including test module, test module includes comparator, multiplexer, LED control panel and LED, the inverting input of comparator is connected with the external power supply electricity, the output of comparator with the input electricity of multiplexer is connected, the output of multiplexer with the LED control panel electricity is connected, the output of LED control panel with the LED electricity is connected, the multiplexer is used for the basis the first operating frequency signal of signal output or the second operating frequency signal of comparator output extremely the LED control panel, the LED control panel is used for the basis first operating frequency signal or second operating frequency signal control LED scintillation. When the electronic cigarette is in the test mode, the multiplexer outputs a first operating frequency signal to the LED control board, the operating frequency of the LED control board is higher than that in the normal mode, the LED flickers faster, the LED flickering time is reduced, the test cost is saved, and the packaging cost is reduced.
Description
Technical Field
The utility model relates to an electron cigarette technical field, more specifically say and indicate an electron cigarette control circuit.
Background
In the application of the electronic cigarette, according to different application states, distinguishable LED indications are provided in the processes of starting, smoking time, voltage detection, short-circuit protection and charging, and when the control chip is in function tests in various states, the indication time of the LED can be measured to confirm whether the functions of the application states are sound or not. Since the indication time of the LED varies from 1 second to 10 seconds, a test angle is provided for inputting a faster application frequency based on the consideration of the test cost, so as to reduce the indication time of the LED and save the test cost. The extra test corners increase the footprint of the PCB and increase the cost of the package.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned prior art defect, the utility model aims at providing an electron cigarette control circuit.
In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides an electron cigarette control circuit, includes test module, test module includes comparator, multiplexer, LED control panel and LED, the inverting input of comparator is connected with external power source electricity, the output of comparator with the input of multiplexer is connected electrically, the output of multiplexer with the LED control panel electricity is connected, the output of LED control panel with the LED electricity is connected, the multiplexer is used for the basis the first operating frequency signal of signal output or second operating frequency signal of comparator extremely the LED control panel, the LED control panel be used for the basis first operating frequency signal or second operating frequency signal control LED scintillation.
The further technical scheme is as follows: when the voltage of the inverting input end of the comparator is greater than the voltage of the non-inverting input end of the comparator, the multiplexer outputs the first operating frequency signal.
The further technical scheme is as follows: and when the voltage of the inverting input end of the comparator is less than the voltage of the non-inverting input end of the comparator, the multiplexer outputs the second operating frequency signal.
The further technical scheme is as follows: the first operating frequency signal is a 10F operating frequency signal.
The further technical scheme is as follows: the second operating frequency signal is a 1F operating frequency signal.
The further technical scheme is as follows: and the non-inverting input end of the comparator is connected with 5V voltage.
The further technical scheme is as follows: the electronic cigarette control circuit comprises a control chip, wherein the control chip is provided with a power input end, and the power input end is electrically connected with an external power supply.
The further technical scheme is as follows: the electronic cigarette control circuit comprises a heating wire, the control chip is provided with a first output end, one end of the heating wire is connected with the first output end, and the other end of the heating wire is grounded.
The further technical scheme is as follows: the electronic cigarette control circuit comprises an indicator lamp, the control chip is provided with a second output end, one end of the indicator lamp is connected with the second output end, and the other end of the indicator lamp is grounded.
Compared with the prior art, the utility model beneficial effect be: the utility model discloses an electron cigarette control circuit is through setting up test module, when the electron cigarette is in test mode, the voltage of the inverting input of comparator is greater than the voltage of the normal phase input of comparator, multiplexer output first operating frequency signal to LED control panel, the operating frequency of LED control panel is faster than under the normal mode, will lead to LED scintillation faster, LED scintillation time reduces, saves the test cost, reduces electron cigarette PCB's usable floor area, reduces the encapsulation cost.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above description and other objects, features, and advantages of the present invention more clearly understandable, preferred embodiments are specifically mentioned, and detailed description is given below.
Drawings
FIG. 1 is a circuit diagram of a test module according to an embodiment of the present invention;
fig. 2 is a circuit diagram of a control chip according to an embodiment of the present invention.
Reference numerals:
1. a comparator; 2. a multiplexer; 3. an LED control panel; 4. an LED.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following detailed description.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
As shown in fig. 1, the embodiment of the utility model provides an electronic cigarette control circuit, including test module, test module includes comparator 1, multiplexer 2, LED control panel 3 and LED4, the inverting input of comparator 1 is connected with external power supply electricity, the output of comparator 1 is connected with multiplexer 2's input electricity, multiplexer 2's output is connected with LED control panel 3 electricity, LED control panel 3's output is connected with LED4 electricity, multiplexer 2 is used for outputting first operating frequency signal or second operating frequency signal to LED control panel 3 according to the signal of comparator 1 output, LED control panel 3 is used for controlling the scintillation of LED4 according to first operating frequency signal or second operating frequency signal. Specifically, when the voltage at the inverting input terminal of the comparator 1 is greater than the voltage at the non-inverting input terminal of the comparator 1, the multiplexer 2 outputs the first operating frequency signal. When the voltage at the inverting input terminal of the comparator 1 is smaller than the voltage at the non-inverting input terminal of the comparator 1, the multiplexer 2 outputs a second operation frequency signal. The operating frequency output by the LED control board 3 after receiving the first operating frequency signal is greater than the operating frequency output after receiving the second operating frequency signal.
In this embodiment, through setting up the test module, when the electron cigarette is in test mode, the voltage of the inverting input end of comparator 1 is greater than the voltage of the normal phase input end of comparator 1, multiplexer 2 outputs first operating frequency signal to LED control panel 3, the operating frequency of LED control panel 3 is faster than under the normal mode, will result in LED4 scintillation faster, LED4 scintillation time reduces, saves test cost, reduces the usable floor area of electron cigarette PCB, reduces encapsulation cost.
In one embodiment, the first operating frequency signal is a 10F operating frequency signal, and the second operating frequency signal is a 1F operating frequency signal. The input voltage range of the power supply input end of the electronic cigarette is 0-4.2V, so that the input voltage below 5V is set as a normal mode, and the operating frequency of the LED control board 3 is F. The input voltage of the power supply input end of the electronic cigarette is 5V to set the electronic cigarette to be in a test mode, and the operating frequency of the LED control board 3 is 10F. During testing, the inverting input end of the comparator 1 is input with 5.1V voltage, namely, a test mode is entered, and in the test mode, because the operating frequency of the LED control board 3 is 10 times faster, the indication time of the LED4 is reduced by 10 times, and the test cost is saved.
In one embodiment, the non-inverting input of the comparator 1 is connected to a voltage of 5V as the demarcation voltage for the test.
In another embodiment, the positive phase input voltage of the comparator 1 may be set according to the actual circuit conditions, such as raising the positive phase input voltage of the comparator 1 to 6V or 7V, etc.
As shown in fig. 2, in an embodiment, the electronic cigarette control circuit includes a control chip, and the control chip is provided with a power input end, and the power input end is electrically connected to an external power supply. Specifically, the external power supply is a battery and supplies power to the control chip.
As shown in fig. 2, in an embodiment, the electronic cigarette control circuit includes a heating wire, the control chip has a first output end, one end of the heating wire is connected to the first output end, the other end of the heating wire is grounded, and the control chip is used for controlling the heating wire to heat.
As shown in fig. 2, in an embodiment, the electronic cigarette control circuit includes an indicator light D1, the control chip has a second output terminal, and one end of the indicator light D1 is connected to the second output terminal, and the other end is grounded. The pilot lamp is used for showing the operating condition of electron cigarette.
In one embodiment, the electronic cigarette control circuit has built-in current-limiting resistor compensation control without adding IC pin output compensation current, thereby simplifying the structure.
Compared with the prior art, the utility model discloses an electron cigarette control circuit is through setting up test module, when the electron cigarette is in test mode, the voltage of the inverting input of comparator is greater than the voltage of the normal phase input of comparator, multiplexer output first operating frequency signal to LED control panel, the operating frequency of LED control panel is faster than under the normal mode, will lead to LED scintillation faster, LED scintillation time reduces, saves the test cost, reduces electron cigarette PCB's usable floor area, reduces the encapsulation cost.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (9)
1. Electronic cigarette control circuit, its characterized in that, including test module, test module includes comparator, multiplexer, LED control panel and LED, the inverting input of comparator is connected with external power source electricity, the output of comparator with the input electricity of multiplexer is connected, the output of multiplexer with the LED control panel electricity is connected, the output of LED control panel with the LED electricity is connected, the multiplexer is used for the basis the first operating frequency signal of signal output or second operating frequency signal of comparator output extremely the LED control panel, the LED control panel is used for the basis first operating frequency signal or second operating frequency signal control LED scintillation.
2. The electronic cigarette control circuit of claim 1, wherein the multiplexer outputs the first operating frequency signal when the voltage at the inverting input of the comparator is greater than the voltage at the non-inverting input of the comparator.
3. The electronic cigarette control circuit of claim 1, wherein the multiplexer outputs the second operating frequency signal when the voltage at the inverting input of the comparator is less than the voltage at the non-inverting input of the comparator.
4. The electronic cigarette control circuit of claim 2, wherein the first operating frequency signal is a 10F operating frequency signal.
5. The electronic cigarette control circuit of claim 3, wherein the second operating frequency signal is a 1F operating frequency signal.
6. The electronic cigarette control circuit of claim 1, wherein a non-inverting input of the comparator is connected to a voltage of 5V.
7. The electronic cigarette control circuit of claim 6, comprising a control chip having a power input electrically connected to the external power source.
8. The electronic cigarette control circuit of claim 7, wherein the electronic cigarette control circuit comprises a heating wire, the control chip is provided with a first output end, and one end of the heating wire is connected with the first output end while the other end is grounded.
9. The electronic cigarette control circuit of claim 8, wherein the electronic cigarette control circuit comprises an indicator light, the control chip is provided with a second output end, and one end of the indicator light is connected with the second output end while the other end is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120908160.1U CN215013621U (en) | 2021-04-28 | 2021-04-28 | Electronic cigarette control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120908160.1U CN215013621U (en) | 2021-04-28 | 2021-04-28 | Electronic cigarette control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215013621U true CN215013621U (en) | 2021-12-07 |
Family
ID=79107199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120908160.1U Active CN215013621U (en) | 2021-04-28 | 2021-04-28 | Electronic cigarette control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215013621U (en) |
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2021
- 2021-04-28 CN CN202120908160.1U patent/CN215013621U/en active Active
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