Protection circuit of microporous atomizing sheet and atomizer
By introducing a current detection circuit and resonant circuit into the atomizer, it quickly responds to the water-deficient signal, solving the dry burning problem caused by the slow response speed of the atomizer, and improving the protection function and user experience of the atomizer.
Patent Information
- Application Number
- CN202422308645.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-09-20
AI Technical Summary
In existing atomizers, the response speed of the atomizer is slow, which leads to dry burning easily in the event of water shortage, affecting the user experience.
The protection circuit of the microporous atomizing plate is adopted, and a resonant circuit is formed through the current detection circuit, the driving circuit and the control circuit, which quickly responds to the water-deficient signal and adjusts the vibration of the atomizing plate to prevent dry burning.
It improves the response speed of the atomizer, prevents the atomizer from overheating or damage, and improves the user's experience of using the atomizer.
Smart Images
Figure CN223168033U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of atomizer protection, and particularly relates to a protection circuit for a microporous atomizing sheet and an atomizer. Background Art
[0002] In atomizer products, in order to prevent the liquid for atomization treatment from being consumed completely, resulting in unnecessary energy consumption, most of the cases adopt a liquid level sensor or a current detection circuit to realize the function of water shortage detection.
[0003] In the prior art, in the process of using a driving circuit that controls the operation of an atomizing sheet by current detection, the response speed of the atomizing sheet is slow and the adjustment time is long. Then, within this adjustment time, the atomizing sheet still reacts untimely and is prone to dry burning phenomenon, thus affecting the user experience of the atomizer. Summary of the Utility Model
[0004] The main purpose of the embodiments of this application is to propose a protection circuit for a microporous atomizing sheet and an atomizer, so as to realize water shortage detection and improve the response speed of the atomizing sheet at the same time.
[0005] To achieve the above purpose, some embodiments of one aspect of this application provide a protection circuit for a microporous atomizing sheet. The circuit includes: an atomizing sheet, a control circuit, a current detection circuit, a driving circuit, a three-pin inductor and an accelerating capacitor;
[0006] The input end of the current detection circuit is connected to the driving circuit, the output end of the current detection circuit is connected to the input end of the control circuit, and the current detection circuit is used to output a current signal;
[0007] The control circuit is used to receive the current signal and output a water shortage adjustment signal;
[0008] The input end of the driving circuit is connected to the output end of the control circuit, the output end of the driving circuit is respectively connected to the second pin of the three-pin inductor and one end of the atomizing sheet, and the driving circuit is used to receive the water shortage adjustment signal and control the atomizing sheet to stop operating;
[0009] The third pin of the three-pin inductor is connected to an external power supply, the second pin of the three-pin inductor is connected to one end of the atomizing sheet, and the first pin of the three-pin inductor is connected to the other end of the atomizing sheet through the accelerating capacitor to form a resonant circuit.
[0010] Further, the control circuit includes: a control chip and a parallel capacitor group;
[0011] The input end of the control chip is connected to the output end of the current detection circuit, the output end of the control chip is connected to the input end of the drive circuit, the power supply end of the control chip is connected to an external power supply, and the parallel capacitor bank is connected to the power supply end of the control chip.
[0012] Further, the drive circuit includes: a first resistor, a second resistor, and a field effect transistor;
[0013] The gate of the field effect transistor is connected to the output end of the control circuit through the first resistor, one end of the second resistor is connected to the gate of the field effect transistor, and the other end of the second resistor is grounded;
[0014] The source of the field effect transistor is connected to the input end of the current detection circuit, and the drain of the field effect transistor is respectively connected to the second pin of the three-terminal inductor and one end of the atomizing sheet.
[0015] Further, the current detection circuit includes: a third resistor, a fourth resistor, and a first capacitor;
[0016] One end of the third resistor and one end of the fourth resistor are both connected to the drive circuit, the other end of the third resistor is grounded, and the other end of the fourth resistor is connected to the input end of the control circuit;
[0017] One end of the first capacitor is connected to the other end of the fourth resistor, and the other end of the first capacitor is grounded.
[0018] Further, a protection circuit for a microporous atomizing sheet further includes: a fifth resistor and a status indicator light;
[0019] One end of the fifth resistor is connected to the output end of the control circuit, the other end of the fifth resistor is connected to the anode of the status indicator light, and the cathode of the status indicator light is grounded.
[0020] Further, a protection circuit for a microporous atomizing sheet further includes: a sixth resistor and a start button;
[0021] One end of the sixth resistor is connected to the input end of the control circuit, and the start button is connected to the other end of the sixth resistor.
[0022] Further, the atomizing sheet is a low-frequency microporous atomizing sheet.
[0023] Further, the water shortage adjustment signal is a low-frequency PWM signal.
[0024] Further, the field effect transistor is an N-channel enhancement type field effect transistor.
[0025] To achieve the above object, some embodiments of another aspect of the present application provide an atomizer, characterized in that it includes a protection circuit for a microporous atomization sheet described in some embodiments of one aspect of the present application.
[0026] The beneficial effects of the present utility model are as follows: Through the current detection circuit, the drive circuit and the control circuit, according to the current signal fed back by the current detection circuit, the control circuit outputs a water shortage adjustment signal based on the current curve characteristics of the current signal, and the drive circuit adjusts the atomization sheet according to the water shortage adjustment signal to stop the operation of the atomization sheet. A resonant circuit formed by a three-pin inductor, an acceleration capacitor and the atomization sheet enables the atomization sheet to quickly respond to the water shortage adjustment signal, reduce the vibration of the atomization sheet, thereby reducing or stopping atomization, preventing the atomization sheet from overheating or being damaged, realizing the protection function of preventing the atomization sheet from dry burning while improving the response speed of the atomization sheet, and enhancing the user experience of the atomizer. Description of the Drawings
[0027] Figure 1 is a partial circuit schematic diagram of a protection circuit for a microporous atomization sheet provided by an embodiment of the present utility model;
[0028] Figure 2 is a partial circuit schematic diagram of a protection circuit for a microporous atomization sheet provided by another embodiment of the present utility model;
[0029] Figure 3 is a frame schematic diagram of a protection circuit for a microporous atomization sheet provided by an embodiment of the present utility model.
[0030] Reference Numerals: 100, control circuit; U1, control chip; C3, third capacitor; CE1, electrolytic capacitor; 200, drive circuit; R1, first resistor; R2, second resistor; Q1, field effect transistor; 300, current detection circuit; R3, third resistor; R4, fourth resistor; C1, first capacitor; 400, atomization sheet; L1, three-pin inductor; C2, acceleration capacitor; R5, fifth resistor; LED1, status indicator light; R6, sixth resistor; K1, start button. Detailed Embodiments
[0031] In order to make the objectives, technical solutions and advantages of the present application clearer, the following further elaborates on the present application in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and should not be construed as a limitation of the present utility model.
[0032] It should be noted that although the functional modules are divided in the schematic diagram, in some cases, it may be different from the module division in the system.
[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more features.
[0034] In the description of the present utility model, it should be noted that, unless otherwise clearly defined, terms such as "arrangement", "installation", and "connection" should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.
[0035] An atomizing sheet is usually a vibrating element made of ceramic or metal. When an alternating current passes through it, vibrations will be generated. These vibrations atomize the liquid into fine particles.
[0036] As described in the background art, in the prior art, the driving circuit that controls the operation of the atomizing sheet by means of current detection has a relatively slow response speed, resulting in a delay in the starting vibration speed of the atomizing sheet, thereby affecting the response efficiency of the atomizer.
[0037] In view of this, the present application proposes a protection circuit for a microporous atomizing sheet to achieve water shortage detection while improving the response speed of the atomizing sheet.
[0038] Refer to Figures 1 to 3 , in some embodiments of one aspect of the present utility model, the protection circuit of the microporous atomizing sheet includes: an atomizing sheet 400, a three-pin inductor L1, an accelerating capacitor C2, a control circuit 100, a driving circuit 200, and a current detection circuit 300.
[0039] The input end of the control circuit 100 is electrically connected to the output end of the current detection circuit 300, the output end of the control circuit 100 is electrically connected to the input end of the driving circuit 200, the input end of the current detection circuit 300 is electrically connected to the driving circuit 200, the output end of the driving circuit 200 is electrically connected to one end of the atomizing sheet 400, and the output end of the driving circuit 200 is also electrically connected to the second pin of the three-pin inductor L1.
[0040] The current detection circuit 300 can detect the current signal of the driving circuit 200 working and feed back the current signal to the control circuit 100.
[0041] The control circuit 100 can receive the current signal and output a water shortage adjustment signal according to the current curve characteristics of the current signal. Among them, the water shortage adjustment signal is a low-frequency PWM signal.
[0042] The driving circuit 200 can adjust the vibration intensity of the atomizing sheet 400 according to the water shortage adjustment signal so that the atomizing sheet 400 stops working.
[0043] The external power supply is electrically connected to the third pin of the three-pin inductor L1. The second pin of the three-pin inductor L1 is electrically connected to one end of the atomizing sheet 400. The second pin of the three-pin inductor L1 is electrically connected to the output end of the driving circuit 200. The first pin of the three-pin inductor L1 is electrically connected to one end of the acceleration capacitor C2. The other end of the acceleration capacitor C2 is electrically connected to the other end of the atomizing sheet 400.
[0044] Through the connected three-pin inductor L1, acceleration capacitor C2 and atomizing sheet 400, a resonant circuit is formed. Since the resonant circuit is very sensitive to frequency changes during resonance, when the output signal of the driving circuit 200 is input into this resonant circuit, the resonant circuit will quickly respond to this output signal, thereby adjusting the vibration intensity of the atomizing sheet 400. And when the frequency of the control signal is close to the resonant frequency of the resonant circuit, the current and voltage in the LC circuit will increase significantly, thereby enhancing the vibration of the atomizing sheet 400.
[0045] Among them, the resonant circuit is an LC resonant circuit. The external power supply is a 5V DC power supply. The atomizing sheet 400 is a low-frequency microporous atomizing sheet 400 with a diameter of 16mm.
[0046] Exemplarily, when the control circuit 100 outputs a start signal to the driving circuit 200, the driving circuit 200 drives the atomizing sheet 400 to operate according to this start signal. Under the response of the resonant circuit, the current and voltage in the resonant circuit will increase significantly, thereby enhancing the vibration of the atomizing sheet 400, enabling the atomizing sheet 400 to quickly reach the required operating frequency and improving the response speed.
[0047] Exemplarily, the current detection circuit 300 detects the current signal of the driving circuit 200 working and feeds back this current signal to the control circuit 100. The control circuit 100 receives the current signal. According to the current curve characteristics of this current signal, if it is confirmed that the atomizing sheet 400 is in a water shortage state, a water shortage adjustment signal is output to the driving circuit 200. The driving circuit 200 adjusts the vibration intensity of the atomizing sheet 400 through the resonant circuit according to the water shortage adjustment signal to reduce the vibration of the atomizing sheet 400, enabling the atomizing sheet 400 to quickly respond, shortening the vibration duration of the atomizing sheet 400, thereby reducing or stopping atomization and preventing the atomizing sheet 400 from overheating or being damaged.
[0048] Through the current detection circuit 300, the drive circuit 200, and the control circuit 100, based on the current signal feedback by the current detection circuit 300, the control circuit 100 outputs a water shortage adjustment signal according to the current curve characteristics of the current signal. The drive circuit 200 adjusts the atomizing sheet 400 according to the water shortage adjustment signal, causing the atomizing sheet 400 to stop operating. An LC resonance circuit formed by a three-terminal inductor L1, an accelerating capacitor C2, and the atomizing sheet 400 enables the atomizing sheet 400 to quickly respond to the water shortage adjustment signal, reducing the vibration of the atomizing sheet 400, thereby reducing or stopping atomization, preventing the atomizing sheet 400 from overheating or being damaged, achieving the protection function against dry burning of the atomizing sheet 400 while improving the response speed of the atomizing sheet 400, and enhancing the user experience of the atomizer.
[0049] Referring to Figures 1 to 3 , in some embodiments of one aspect of the present invention, the control circuit 100 includes: a control chip U1 and a parallel capacitor group;
[0050] The input end of the control chip U1 is electrically connected to the output end of the current detection circuit 300, and the output end of the control chip U1 is electrically connected to the input end of the drive circuit 200.
[0051] In one embodiment, the input end of the control chip U1 is respectively electrically connected to a fourth resistor R4 and a second capacitor to achieve electrical connection with the output end of the current detection circuit 300. Among them, the fourth resistor R4 is a sampling resistor. The output end of the control chip U1 is electrically connected to a field effect transistor Q1 through a first resistor R1 to achieve electrical connection with the input end of the drive circuit 200.
[0052] The power supply end of the control chip U1 is electrically connected to an external power supply, and the parallel capacitor group is electrically connected to the power supply end of the control chip U1. Among them, the external power supply is a 5V DC power supply.
[0053] In one embodiment, the parallel capacitor group includes: a third capacitor C3 and an electrolytic capacitor CE1.
[0054] The third capacitor C3 is in parallel with the electrolytic capacitor CE1. The positive electrode of the electrolytic capacitor CE1 and one end of the third capacitor C3 are both electrically connected to the power supply end of the control chip U1, that is, electrically connected to the external power supply. The negative electrode of the electrolytic capacitor CE1 and the other end of the third capacitor C3 are both grounded.
[0055] Exemplarily, when the control chip U1 outputs a start signal to the drive circuit 200, the drive circuit 200 drives the atomizing sheet 400 to operate according to this start signal. Under the response of the resonance circuit, the current and voltage in the resonance circuit will increase significantly, thereby enhancing the vibration of the atomizing sheet 400, enabling the atomizing sheet 400 to quickly reach the required operating frequency and improving the response speed.
[0056] Exemplarily, the current detection circuit 300 detects the current signal of the driving circuit 200 during operation, and feeds back this current signal to the control chip U1. The control chip U1 receives the current signal, and based on the current curve characteristics of this current signal, determines that the atomizing sheet 400 is in a water-deficient state, and then outputs a water-deficient adjustment signal to the driving circuit 200. The driving circuit 200 adjusts the vibration intensity of the atomizing sheet 400 through the resonant circuit according to the water-deficient adjustment signal, so as to reduce the vibration of the atomizing sheet 400, enabling the atomizing sheet 400 to respond quickly, shortening the vibration duration of the atomizing sheet 400, thereby reducing or stopping atomization, and preventing the atomizing sheet 400 from overheating or being damaged.
[0057] Referring to Figures 1 to 3 , in some embodiments of one aspect of the present invention, the driving circuit 200 includes: a first resistor R1, a second resistor R2, and a field effect transistor Q1.
[0058] One end of the first resistor R1 is electrically connected to the output terminal of the control circuit 100, and the other end of the first resistor R1 is electrically connected to the gate of the field effect transistor Q1. One end of the second resistor R2 is electrically connected to the gate of the field effect transistor Q1, and the other end of the second resistor R2 is grounded.
[0059] The source of the field effect transistor Q1 is electrically connected to the input terminal of the current detection circuit 300, the drain of the field effect transistor Q1 is electrically connected to the second pin of the three-terminal inductor L1, and the drain of the field effect transistor Q1 is electrically connected to one end of the atomizing sheet 400.
[0060] Among them, the field effect transistor Q1 is an N-channel enhancement-mode field effect transistor Q1.
[0061] Exemplarily, when the control chip U1 outputs a start signal to the field effect transistor Q1 through the first resistor R1, the field effect transistor Q1 drives the atomizing sheet 400 to operate according to this start signal. Under the response of the resonant circuit, the current and voltage in the resonant circuit will increase significantly, thereby enhancing the vibration of the atomizing sheet 400, enabling the atomizing sheet 400 to quickly reach the required operating frequency and improving the response speed.
[0062] Exemplarily, the current detection circuit 300 detects the current signal of the field effect transistor Q1 during operation, and feeds back this current signal to the control chip U1. The control chip U1 receives the current signal, and based on the current curve characteristics of this current signal, determines that the atomizing sheet 400 is in a water-deficient state, and then outputs a water-deficient adjustment signal to the field effect transistor Q1 through the first resistor R1. The field effect transistor Q1 adjusts the vibration intensity of the atomizing sheet 400 through the resonant circuit according to the water-deficient adjustment signal, so as to reduce the vibration of the atomizing sheet 400, enabling the atomizing sheet 400 to respond quickly, shortening the vibration duration of the atomizing sheet 400, thereby reducing or stopping atomization, and preventing the atomizing sheet 400 from overheating or being damaged.
[0063] Referring toFigures 1 to 3 In some embodiments of one aspect of the present utility model, the current detection circuit 300 includes: a third resistor R3, a fourth resistor R4, and a first capacitor C1.
[0064] One end of the third resistor R3 is electrically connected to the drive circuit 200, and the other end of the third resistor R3 is grounded. One end of the fourth resistor R4 is electrically connected to the drive circuit 200, and the other end of the fourth resistor R4 is electrically connected to the input end of the control circuit 100. One end of the first capacitor C1 is electrically connected to the other end of the fourth resistor R4, and the other end of the first capacitor C1 is grounded.
[0065] In one embodiment, one end of the third resistor R3 is electrically connected to the source electrode of the field effect transistor Q1. One end of the fourth resistor R4 is electrically connected to the source electrode of the field effect transistor Q1, and the other end of the fourth resistor R4 is electrically connected to the control chip U1.
[0066] Among them, the fourth resistor R4 can be a sampling resistor to detect and obtain a current signal.
[0067] Exemplarily, the fourth resistor R4 detects the current signal of the field effect transistor Q1 working, and feeds back the current signal to the control chip U1. The control chip U1 receives the current signal. According to the current curve characteristics of the current signal, if it is confirmed that the atomizing sheet 400 is in a water shortage state, a water shortage adjustment signal is output to the field effect transistor Q1 through the first resistor R1. The field effect transistor Q1 adjusts the vibration intensity of the atomizing sheet 400 through the resonance circuit according to the water shortage adjustment signal, so as to reduce the vibration of the atomizing sheet 400, enable the atomizing sheet 400 to respond quickly, shorten the vibration duration of the atomizing sheet 400, thereby reducing or stopping atomization, and preventing the atomizing sheet 400 from overheating or being damaged.
[0068] Referring to Figures 1 to 3 In some embodiments of one aspect of the present utility model, the protection circuit of the microporous atomizing sheet further includes: a fifth resistor R5 and a status indicator light LED1.
[0069] One end of the fifth resistor R5 is electrically connected to the output end of the control circuit 100, the other end of the fifth resistor R5 is electrically connected to the anode of the status indicator light LED1, and the cathode of the status indicator light LED1 is grounded.
[0070] In one embodiment, one end of the fifth resistor R5 is electrically connected to the output end of the control chip U1, the other end of the fifth resistor R5 is electrically connected to the anode of the status indicator light LED1, and the cathode of the status indicator light LED1 is grounded.
[0071] Exemplarily, when the control chip U1 outputs a start signal to the field effect transistor Q1 through the first resistor R1, the control chip U1 also outputs an operation signal to the status display lamp LED1 through the fifth resistor R5 to light up the status display lamp LED1. According to the start signal, the field effect transistor Q1 drives the atomizing sheet 400 to operate. In response to the resonant circuit, the current and voltage in the resonant circuit will increase significantly, thereby enhancing the vibration of the atomizing sheet 400, enabling the atomizing sheet 400 to quickly reach the required operating frequency and improving the response speed.
[0072] Exemplarily, the fourth resistor R4 detects the current signal of the field effect transistor Q1 working and feeds back the current signal to the control chip U1. The control chip U1 receives the current signal. According to the current curve characteristics of the current signal, if it is confirmed that the atomizing sheet 400 is in a water shortage state, a water shortage adjustment signal is output to the field effect transistor Q1 through the first resistor R1. The control chip U1 also outputs a stop operation signal to the status display lamp LED1 through the fifth resistor R5 to turn off the status display lamp LED1. According to the water shortage adjustment signal, the field effect transistor Q1 adjusts the vibration intensity of the atomizing sheet 400 through the resonant circuit to reduce the vibration of the atomizing sheet 400, enabling the atomizing sheet 400 to respond quickly, shortening the vibration duration of the atomizing sheet 400, thereby reducing or stopping atomization and preventing the atomizing sheet 400 from overheating or being damaged.
[0073] Refer to Figures 1 to 3 , in some embodiments of one aspect of the present invention, the protection circuit of the microporous atomizing sheet further includes: a sixth resistor R6 and a start button K1.
[0074] One end of the sixth resistor R6 is electrically connected to the input end of the control circuit 100, and the start button K1 is electrically connected to the other end of the sixth resistor R6.
[0075] In one embodiment, the control chip U1 is electrically connected to one end of the sixth resistor R6, and the start button K1 is electrically connected to the other end of the sixth resistor R6.
[0076] Exemplarily, when the start button K1 responds to user triggering and outputs a response signal to the control chip U1, when the control chip U1 outputs a start signal to the field effect transistor Q1 through the first resistor R1, the control chip U1 also outputs an operation signal to the status display lamp LED1 through the fifth resistor R5 to light up the status display lamp LED1. According to the start signal, the field effect transistor Q1 drives the atomizing sheet 400 to operate. In response to the resonant circuit, the current and voltage in the resonant circuit will increase significantly, thereby enhancing the vibration of the atomizing sheet 400, enabling the atomizing sheet 400 to quickly reach the required operating frequency and improving the response speed.
[0077] In some embodiments of another aspect of the present utility model, an atomizer includes: a protection circuit for the microporous atomization sheet in some embodiments of one aspect of the present utility model.
[0078] The above specifically describes the preferred embodiments of the present utility model, but the present utility model is not limited to the described embodiments. Those skilled in the art can make various equivalent variations or substitutions without departing from the spirit of the present utility model, and these equivalent variations or substitutions are all included within the scope defined by the claims of this application.
Claims
1. A protection circuit for a microporous atomization sheet, characterized in that, Comprising: An atomizing sheet, a control circuit, a current detection circuit, a driving circuit, a three-pin inductor and an accelerating capacitor; The input end of the current detection circuit is connected to the driving circuit, the output end of the current detection circuit is connected to the input end of the control circuit, and the current detection circuit is used for outputting a current signal; The control circuit is used for receiving the current signal and outputting a water shortage adjustment signal; The input end of the driving circuit is connected to the output end of the control circuit, the output end of the driving circuit is respectively connected to the second pin of the three-pin inductor and one end of the atomizing sheet, and the driving circuit is used for receiving the water shortage adjustment signal and controlling the atomizing sheet to stop operating; The third pin of the three-pin inductor is connected to an external power supply, the second pin of the three-pin inductor is connected to one end of the atomizing sheet, and the first pin of the three-pin inductor is connected to the other end of the atomizing sheet through the accelerating capacitor to form a resonant circuit.
2. The protection circuit of a microporous atomizing sheet according to claim 1, characterized in that, The control circuit includes: a control chip and a parallel capacitor group; The input end of the control chip is connected to the output end of the current detection circuit, the output end of the control chip is connected to the input end of the driving circuit, the power supply end of the control chip is connected to an external power supply, and the parallel capacitor group is connected to the power supply end of the control chip.
3. The protection circuit of a microporous atomizing sheet according to claim 1, characterized in that The driving circuit includes: a first resistor, a second resistor and a field effect transistor; The gate of the field effect transistor is connected to the output end of the control circuit through the first resistor, one end of the second resistor is connected to the gate of the field effect transistor, and the other end of the second resistor is grounded; The source of the field effect transistor is connected to the input end of the current detection circuit, and the drain of the field effect transistor is respectively connected to the second pin of the three-pin inductor and one end of the atomizing sheet.
4. The protection circuit of a microporous atomizing sheet according to claim 1, characterized in that, The current detection circuit includes: a third resistor, a fourth resistor and a first capacitor; One end of the third resistor and one end of the fourth resistor are both connected to the driving circuit, the other end of the third resistor is grounded, and the other end of the fourth resistor is connected to the input end of the control circuit; One end of the first capacitor is connected to the other end of the fourth resistor, and the other end of the first capacitor is grounded.
5. The protection circuit of a microporous atomizing sheet according to claim 1, characterized in that, It further includes: A fifth resistor and a status indicator light; One end of the fifth resistor is connected to the output end of the control circuit, the other end of the fifth resistor is connected to the anode of the status indicator light, and the cathode of the status indicator light is grounded.
6. The protection circuit of a microporous atomizing sheet according to claim 1, characterized in that, It further includes: A sixth resistor and a start button; One end of the sixth resistor is connected to the input end of the control circuit, and the start button is connected to the other end of the sixth resistor.
7. The protection circuit of a microporous atomizing sheet according to claim 1, characterized in that, The atomizing sheet is a low-frequency microporous atomizing sheet.
8. The protection circuit of a microporous atomizing sheet according to claim 1, characterized in that, The water shortage adjustment signal is a low-frequency PWM signal.
9. The protection circuit of a microporous atomizing sheet according to claim 3, characterized in that, The field effect transistor is an N-channel enhancement type field effect transistor.
10. An atomizer, characterized in that, It includes the protection circuit of the microporous atomizing sheet according to any one of claims 1 to 9.