CN218678488U - Charging circuit and electronic atomization device - Google Patents
Charging circuit and electronic atomization device Download PDFInfo
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- CN218678488U CN218678488U CN202222654608.9U CN202222654608U CN218678488U CN 218678488 U CN218678488 U CN 218678488U CN 202222654608 U CN202222654608 U CN 202222654608U CN 218678488 U CN218678488 U CN 218678488U
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Abstract
The application discloses charging circuit and electron atomizing device, this charging circuit includes: a power input terminal for coupling with an external power supply; the first end of the filter circuit is coupled with the power input end, and the second end of the filter circuit is grounded; the charging module is coupled with the first end of the filter circuit and comprises a charging detection output end, and the charging detection output end is coupled with a main control circuit of the electronic atomization device and used for feeding back a charging state to the main control circuit; the power output end is coupled with the charging module and comprises a voltage stabilizing circuit which is used for being coupled with a power supply of the electronic atomization device and supplying power to the power supply. Through the mode, the safety of charging the power supply of the electronic atomization device is improved.
Description
Technical Field
The application relates to the technical field of atomization devices, in particular to a charging circuit and an electronic atomization device.
Background
The electronic atomization device can atomize liquid, for example, the electronic atomization device can be an electronic cigarette, and smoke which is the same as cigarettes is generated by means of atomization and the like and is used by a user.
Most of the related electronic atomization devices have the problems of complicated circuit and low safety.
SUMMERY OF THE UTILITY MODEL
The application provides charging circuit and electron atomizing device can improve the security of charging to electron atomizing device's power.
A technical scheme that this application adopted provides a charging circuit, is applied to electron atomizing device, and this charging circuit includes: a power input terminal for coupling with an external power supply; the first end of the filter circuit is coupled with the power input end, and the second end of the filter circuit is grounded; the charging module is coupled with the first end of the filter circuit and comprises a charging detection output end, and the charging detection output end is coupled with a main control circuit of the electronic atomization device and used for feeding back a charging state to the main control circuit; the power output end is coupled with the charging module and comprises a voltage stabilizing circuit which is used for being coupled with a power supply of the electronic atomization device and supplying power to the power supply.
The filter circuit comprises a first resistor and a first capacitor; the first end of the first resistor is coupled to the power input terminal, the second end of the first resistor is coupled to the first end of the first capacitor, and the second end of the first capacitor is grounded.
Wherein, the power input end includes: the power supply pin is coupled with the first end of the filter circuit; and the data pin is coupled with the main control circuit.
Wherein, the power input end is a USB input end.
Wherein, the module of charging includes: a charging chip; the first end of the second resistor is coupled with the first end of the filter circuit and the power input pin of the charging chip; and a first end of the third resistor is coupled to a second end of the second resistor, a second end of the third resistor is grounded, and a coupling point of the second resistor and the third resistor is used as a charging detection output end.
Wherein, the module of charging still includes: and a first end of the fourth resistor is coupled to a charging current programming pin of the charging chip, and a second end of the fourth resistor is grounded.
Wherein, the chip that charges still includes: the charging indication pin is coupled with an indication lamp circuit of the electronic atomization device.
Wherein, the chip that charges still includes: and the power output pin is coupled with the voltage stabilizing circuit.
Wherein, voltage stabilizing circuit includes: a first end of the second capacitor is coupled with the charging module, and a second end of the second capacitor is grounded; and the first end of the voltage stabilizing diode is respectively coupled with the first end of the second capacitor and the power supply, and the second end of the voltage stabilizing diode is grounded.
Another technical scheme that this application adopted provides an electron atomizing device, and this electron atomizing device includes: a charging circuit; the main control circuit is coupled with the charging circuit; the power supply is coupled with the charging circuit and the main control circuit; wherein, the charging circuit is as the charging circuit that technical scheme provided above provided.
The beneficial effect of this application is: being different from the situation of the prior art, the charging circuit of the present application is applied to an electronic atomization device, and the charging circuit includes: a power input terminal for coupling with an external power supply; the first end of the filter circuit is coupled with the power input end, and the second end of the filter circuit is grounded; the charging module is coupled with the first end of the filter circuit and comprises a charging detection output end, and the charging detection output end is coupled with a main control circuit of the electronic atomization device and used for feeding back a charging state to the main control circuit; the power output end is coupled with the charging module and comprises a voltage stabilizing circuit which is used for being coupled with a power supply of the electronic atomization device and supplying power to the power supply. The voltage stabilizing circuit is used for ensuring the stability of input voltage in the charging process, the safety of charging the power supply of the electronic atomization device is improved, and the reliability and the use safety of the electronic atomization device are further improved.
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 description of the embodiments are briefly introduced 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 based on these drawings without creative efforts. Wherein:
FIG. 1 is a schematic structural diagram of an embodiment of an electronic atomizer provided herein;
FIG. 2 is a schematic diagram of an embodiment of a heat generation control circuit provided in the present application;
FIG. 3 is a schematic diagram of another embodiment of a heating control circuit provided in the present application;
FIG. 4 is a schematic diagram of an embodiment of an indicator light circuit provided in the present application;
FIG. 5 is a schematic diagram of an embodiment of a power protection circuit provided in the present application;
FIG. 6 is a schematic diagram of an embodiment of an airflow sensing circuit provided herein;
FIG. 7 is a schematic diagram of another embodiment of an airflow sensing circuit provided by the present application;
fig. 8 is a schematic structural diagram of an embodiment of a charging circuit provided in the present application;
fig. 9 is a schematic structural diagram of an embodiment of a master control circuit provided in the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures associated with the present application are shown in the drawings, not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The electronic atomizer generally includes a main body, a control circuit, and an atomizer, wherein the control circuit and the atomizer are both disposed on the main body. The heating component in the atomizer completes the atomization of the liquid by matching with the control circuit.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an electronic atomization device according to an embodiment of the present disclosure. The electronic atomization device 100 includes: the power supply 10, the indicator light circuit 20, the power protection circuit 30, the heating control circuit 40 and the main control circuit 50.
The indicator light circuit 20 includes three indicator lights. The three-way indicator light can be provided with indicator lights with three different colors respectively. Such as red, yellow and green indicator lights. When the power supply 10 is in normal power, the warning is performed by displaying a green indicator light, when the power supply 10 is in insufficient power, the warning is performed by displaying a yellow indicator light, and when the power supply 10 is extremely low in power or the electronic atomization device 100 is abnormal, the warning is performed by displaying a red indicator light.
The power protection circuit 30 is coupled to the power source 10 for preventing overcharge, short circuit or overdischarge of the power source 10. The power protection circuit 30 may determine whether the power supply 10 is overcharged by detecting the current and/or voltage of the power supply 10 during charging. The power protection circuit 30 may also be capable of cutting off the power supply of the power supply 10 to protect the power supply when a short circuit occurs in the circuit of the electronic atomization device 100, and cutting off the power supply of the power supply 10 when overdischarge of the power supply 10 is detected.
The heating control circuit 40 is coupled to the power source 10. In addition, the heating control circuit 40 is further coupled to a heating element (not shown), and when the electronic atomization device is in operation, the heating control circuit conducts power to the heating element to heat the heating element, so that the liquid in the electronic atomization device 100 is atomized by the heated heating element.
The main control circuit 50 is coupled to the indicator light circuit 20, the heating control circuit 40 and the power supply 10 respectively.
The main control circuit 50 is used for controlling the heating control circuit 40 according to the feedback signal of the heating control circuit 40; a resistor R1 is coupled between the working voltage pin and the common ground pin of the main control circuit 50. The resistor R1 can function as a discharge resistor.
In this embodiment, the electronic atomization device 100 can control the heating element through the power supply 10, the indicator light circuit 20, the power protection circuit 30, the heating control circuit 40, and the main control circuit 50, and further atomize the liquid by the operation of the heating element. Further, the resistor R1 is used to protect the main control circuit 50, and the indicator circuit 20 is used to provide an indicator function, so that a user can intuitively know the state of the electronic atomization device 100 through the indicator.
Referring to fig. 2, the heat generation control circuit 40 includes: a first power input 41, a field effect transistor Q1 and a protection resistor R2.
The first power input terminal 41 is coupled to the power source 10.
A first terminal of the fet Q1 is coupled to the first power input 41, and a second terminal of the fet Q1 is coupled to a heating element (not shown) of the electronic atomizer 100; the control terminal of the field effect transistor Q1 is coupled to the main control circuit 50 of the electronic atomization device 100, and the field effect transistor Q1 is used for being turned on or off under the control of the main control circuit 50. Wherein, the first terminal of the field effect transistor Q1 may be a source electrode, the second terminal of the field effect transistor Q1 may be a drain electrode, and the control terminal of the field effect transistor Q1 may be a gate electrode. The control terminal of the field-effect transistor Q1 receives a PWM (Pulse width modulation) signal transmitted from the main control circuit 50, and turns on or off based on the PWM signal.
The first end of the protection resistor R2 is coupled to the first end of the field effect transistor Q1, and the second end of the protection resistor R2 is coupled to the second end of the field effect transistor Q1, for filtering out a capacitance generated between the first end of the field effect transistor Q1 and the second end of the field effect transistor, so as to reduce an influence of the capacitance on the field effect transistor Q1 and the whole circuit of the electronic atomization device 100.
Referring to fig. 3, the heat generation control circuit 40 includes: the circuit comprises a first power supply input end 41, a field effect transistor Q1, a protection resistor R2, a resistor R3 and a resistor R4.
A first terminal of the resistor R3 is coupled to the first power input terminal 41, and a second terminal of the resistor R3 is coupled to the control terminal of the fet Q1.
The first end of the resistor R4 is coupled to the second end of the field effect transistor Q1, the second end of the resistor R4 is coupled to the main control circuit 50, specifically, the resistor R4 is a short circuit detection resistor, so as to realize short circuit detection of the heating element, and when the main control circuit detects that the current signal input through the resistor R4 is a short circuit signal, the field effect transistor is controlled to be turned off.
In some embodiments, the resistance of the protection resistor R2 is greater than the resistance of the resistor R3 or the resistor R4.
In some embodiments, the protection resistor R2 has a resistance of 1M Ω, and the resistors R3 and R4 have a resistance of 10K Ω.
The main control circuit 50 may send a PWM signal to the control terminal of the fet Q1 to turn on or off the fet Q1, and when the fet Q1 is turned on, a current flows from the first terminal of the fet Q1 to the second terminal of the fet Q1, and then flows to the heating element, so that the heating element operates.
When the field effect tube Q1 is cut off, the heating component stops working. Wherein, the heating component can be a heating wire.
When the fet Q1 is turned on or off, a corresponding capacitance is generated between the first terminal of the fet Q1 and the second terminal of the fet, and thus the fet Q1 is protected by filtering the capacitance with the protection resistor R2.
The heat generation control circuit 40 further includes: and a power control circuit (not shown) coupled to the power supply 10 of the electronic atomization device 100 and the main control circuit 50 of the electronic atomization device 100, for controlling the heating power of the heating element through the main control circuit 50.
Specifically, the power control circuit includes: a first terminal of the switch K1 is coupled to the power source 10 of the electronic atomization device 100, a second terminal of the switch K1 is grounded, and a third terminal of the switch K1 is coupled to the main control circuit 50 of the electronic atomization device 100.
Further, the power of the field effect transistor Q1 can be controlled by adjusting the switch K1.
Further, the power control circuit includes: a resistor R5 (not shown), a first terminal of the resistor R5 is coupled to the power source 10 of the electronic atomization device 100, and a second terminal of the resistor R5 is coupled to the first terminal of the switch K1.
The resistance of the resistor R5 is 470K omega.
In the heating control circuit 40, the resistor R4 is used to implement short-circuit protection of the heating element, and the power control circuit is used to implement power control of the heating element, so as to achieve atomization effects of different degrees.
Referring to fig. 4, the three-way indicator lamp 21 includes: the LED comprises a first LED D1, a resistor R6, a second LED D2, a resistor R7, a third LED D3 and a resistor R8.
Wherein the anode of the first led D1 is coupled to the power source 10.
A first end of the resistor R6 is coupled to the cathode of the first led D1, and a second end of the resistor R6 is coupled to the main control circuit 50. The first led D1 and the resistor R6 may form a first indicator light loop.
The anode of the second light emitting diode D2 is coupled to the power supply 10; a first end of the resistor R7 is coupled to the cathode of the second led D2, and a second end of the resistor R7 is coupled to the main control circuit 50. Wherein, the second led D2 and the resistor R7 may form a second indicator light loop.
The anode of the third led D3 is coupled to the power supply 10; a first end of the resistor R8 is coupled to a cathode of the third led D3, and a second end of the resistor R8 is coupled to the main control circuit 50. Wherein, the third led D3 and the resistor R8 may form a third indicator light loop.
Referring to fig. 5, the power protection circuit 30 includes: the circuit comprises a resistor R9, a capacitor C1 and a power protection chip U1.
Wherein, the first end of the resistor R9 is coupled to the power supply; the first end of the capacitor C1 is coupled to the second end of the resistor R9; a first pin VDD of the power protection chip U1 is coupled to a second end of the resistor R9, and a second pin of the power protection chip U1 is coupled to a second end of the capacitor C1; the second pin is GND, and the third pin VM of the power protection chip U1 is grounded.
The resistance value of the resistor R9 is 1K omega, and the capacitance value of the capacitor C1 is 0.1uF.
Referring to fig. 6, the electronic atomization device 100 further includes: an airflow sensing circuit 60. The airflow sensing circuit 60 includes: resistor R10 and airflow sensor M1.
A first end of the resistor R10 is coupled with a power supply; a first end of the airflow sensor M1 is coupled to a second end of the resistor R10 and to a working voltage end VDD of the electronic atomization device 100; the second end of the airflow sensor M1 is grounded, and the third end of the airflow sensor M1 is coupled to the main control circuit 50 of the electronic atomization device 100; the airflow sensor M1 is configured to send a corresponding trigger signal MIC to the main control circuit 50 when detecting that the airflow is greater than a threshold value. The resistance value of the resistor R10 is 33 Ω.
The resistor R10 is used for short-circuit protection, is fused when a short-circuit phenomenon occurs, isolates the power supply 10 and reduces the influence on other circuits. At this time, the operating voltage terminal VDD can still supply power.
Through set up resistance R10 between power 10 and air current sensor M1 to when taking place the short circuit, resistance R10 fuses isolation power 10 and air current sensor M1, and can also supply power through operating voltage end VDD this moment, improves the safety in utilization of air current sensing circuit 60, and then improves the reliability and the safety in utilization of electronic atomization device 100.
Referring to fig. 7, the airflow sensing circuit 60 includes: resistance R10, airflow sensor M1, capacitance C2 and resistance R11.
The first end of the capacitor C2 is coupled to the second end of the resistor R10; the second terminal of the capacitor C2 is coupled to ground.
The capacitance of the capacitor C2 is 10uF.
The first end of the resistor R11 is grounded, and the second end of the resistor R11 is coupled to the third end of the airflow sensor M1.
The resistance of the resistor R11 is 100K Ω.
The resistance value of the resistor R10 is 33 Ω.
The airflow sensor M1 is a capacitive airflow sensor.
Referring to fig. 8, the electronic atomization device 100 further includes: the charging circuit 70 is coupled to the power source 10 for charging the power source 10. The charging circuit 70 includes: a second power input 71, a filter circuit 72, a charging module 73 and a power output 74.
The second power input terminal 71 is configured to be coupled to an external power source; a first terminal of the filter circuit 72 is coupled to the second power input terminal 71, and a second terminal of the filter circuit 72 is grounded; the charging module 73 is coupled to the first end of the filter circuit 72, wherein the charging module 73 includes a charging detection output CHG, and the charging detection output CHG is configured to be coupled to the main control circuit 50 of the electronic atomization device 100 and configured to feed back the charging status to the main control circuit 50.
The power output 74 is coupled to the charging module 73, and includes a voltage stabilizing circuit 741, for coupling to the power supply 10 of the electronic atomization apparatus 100 to supply power to the power supply 10. In the charging process, the voltage stabilizing circuit 741 ensures the stability of the input voltage, so as to improve the safety of charging the power supply 10 of the electronic atomization device 100, and further improve the reliability and the use safety of the electronic atomization device 100.
With continued reference to fig. 8, the filter circuit 72 includes: resistor R12 and capacitor C3.
A first terminal of the resistor R12 is coupled to the second power input terminal 71, a second terminal of the resistor R12 is coupled to a first terminal of the capacitor C3, and a second terminal of the capacitor C3 is grounded. The resistance of the resistor R12 is 1 Ω. The capacitance value of the capacitor C3 is 1uF. The electric signal inputted from the second power input terminal 71 is filtered by the resistor R12 and the capacitor C3 connected in series.
Wherein the second power input terminal 71 includes: a power pin 711 and a data pin 712. In some embodiments, the power pins 711 include a positive power pin and a negative power pin. The positive power supply pin is connected with the positive electrode of an external power supply, and the negative power supply pin is connected with the negative electrode of the external power supply.
The data pins 712 include a first data pin for receiving data input from an external device and a second data pin for outputting data to the external device.
In some embodiments, the electronic atomization device 100 does not require data interaction with an external device during use, and thus, the data pin 712 may be grounded through a resistor.
The power pin 711 is coupled to the first end of the filter circuit 72; the data pin 712 is coupled to the main control circuit 50. For example, the firmware can be connected to an external device through the data pin 712, and the firmware information can be burned into the main control chip in the main control circuit 50 through the data pin 712. The firmware information may include, among other things, a program for implementing operating logic for controlling the overall electronic atomizer device 100.
The power input 71 is a USB input, for example, the power input may be a TPYE-C interface, a USB2.0 interface, or a USB3.0 interface.
In other embodiments, the power input 71 may be a lightning interface.
Wherein the charging module 73 includes: charging chip U2, resistance R13 and resistance R14.
A first terminal of the resistor R13 is coupled to a first terminal of the filter circuit 72 and to the power input pin Vcc of the charging chip U2.
The first end of the resistor R14 is coupled to the second end of the resistor R13, the second end of the resistor R13 is grounded, and the coupling point of the resistor R13 and the resistor R14 is used as the charging detection output terminal. The resistor R13 and the resistor R14 divide the input power voltage, and output the divided electrical signal to the main control circuit 50, so that the main control circuit 50 knows that the electronic atomization device 100 is in the charging state. That is, when the second power input terminal 71 is coupled to the external power source, the main control circuit 50 can know that the external power source is connected to the external power source at this time and is in the charging state through the charging detection output terminal. When the second power input terminal 71 is disconnected from the external power source, the main control circuit 50 can know that the external power source is disconnected at this time and is in an uncharged state through the charging detection output terminal.
Further, since the main control chip of the main control circuit 50 requires hardware, the input and output voltages need to be within a certain range, and thus the input power supply voltage needs to be divided by the resistors R13 and R14.
The resistance of the resistor R13 is 100K omega, and the resistance of the resistor R14 is 200K omega.
Further, the charging module further includes: a first terminal of the resistor R15 is coupled to the charging current programming pin PROG of the charging chip, and a second terminal of the resistor R15 is grounded. Wherein, the resistance value of the resistor R15 is 2.1K omega.
Charging chip U2 also includes: the charging indication pin CHG is coupled to the main control circuit 50 and configured to indicate a state in a charging process, for example, the state may be in charging or full, and specifically, the main control circuit 50 controls the indication lamp circuit 20 to light up and prompt after receiving a signal fed back by the charging indication pin CHG.
Charging chip U2 also includes: the power output pin BAT is coupled to the voltage regulator circuit 741.
With continued reference to fig. 8, the voltage regulator circuit 741 includes: a capacitor C4 and a zener diode D4.
A first terminal of the capacitor C4 is coupled to the charging module, and a second terminal of the capacitor C4 is grounded. Specifically, the power supply output pin BAT is coupled. The capacitance value of the capacitor C4 is 10uF.
A first terminal of the zener diode D4 is coupled to the first terminal of the capacitor C4 and the power source 10, respectively, and a second terminal of the zener diode D4 is grounded. Specifically, the cathode of the zener diode D4 is coupled to the first end of the capacitor C4 and the power supply 10, respectively, and the anode of the zener diode D4 is grounded.
Through zener diode D4 and electric capacity C4 parallelly connected, electric capacity C4 can make zener diode D4's steady voltage effect more level and smooth, prevents that power switch-on in the twinkling of an eye, zener diode D4 negative pole voltage is too high and sudden change.
Specifically, referring to fig. 9, the main control circuit 50 includes a main control chip U3, a resistor R1, a capacitor C5, and a resistor R16. Wherein, the resistance value of the resistor R1 is 2M omega.
The main control chip U3 includes a first pin, a second pin, a third pin, a fourth pin, a fifth pin, a sixth pin, a seventh pin, an eighth pin, a ninth pin, and a tenth pin.
The first pin is a working voltage pin Vcc, the second pin is coupled to the third terminal of the airflow sensor M1, the third pin is coupled to the coupling point of the resistor R13 and the resistor R14, that is, the third pin is a charging detection output terminal, the fourth pin is coupled to the charging indication pin CHG of the charging chip U2, the fifth pin is coupled to the control terminal of the field effect transistor Q1, the sixth pin is coupled to the second terminal of the resistor R6, the seventh pin is coupled to the second terminal of the resistor R4, the eighth pin is coupled to the second terminal of the resistor R7, the ninth pin is coupled to the second terminal of the resistor R8, and the tenth pin is a common ground terminal pin Vss.
In some embodiments, the fourth pin, the eighth pin, and the ninth pin may be used for data burning. The fourth pin is used as a power input pin and receives a programming/erasing voltage. The eighth pin is the SDA pin and the ninth pin is the SCK pin.
A capacitor C5 is coupled between the operating voltage pin Vcc and the common ground pin Vss of the main control circuit 50, and the capacitor C5 is connected in parallel with the resistor R1. The resistor R1 can be used as a discharging resistor of the capacitor C5 to provide a discharging loop so as to protect the main control chip U3.
A first terminal of the resistor R16 is coupled to the power source 10, and a second terminal of the resistor R16 is coupled to the first pin of the main control chip U3 and the working voltage terminal.
The resistor R16 has a resistance of 10 Ω, and is used for short-circuit protection, and is fused when a short-circuit occurs, thereby isolating the power supply 10 and reducing the influence on other circuits. At this time, the operating voltage terminal VDD can still supply power.
The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (10)
1. A charging circuit, which is applied to an electronic atomization device, the charging circuit comprises:
a power input terminal for coupling with an external power supply;
a first end of the filter circuit is coupled to the power input end, and a second end of the filter circuit is grounded;
the charging module is coupled to the first end of the filter circuit and comprises a charging detection output end, and the charging detection output end is coupled to a main control circuit of the electronic atomization device and used for feeding back a charging state to the main control circuit;
and the power output end is coupled with the charging module and comprises a voltage stabilizing circuit which is used for being coupled with a power supply of the electronic atomization device and supplying power to the power supply.
2. The charging circuit of claim 1, wherein the filter circuit comprises a first resistor and a first capacitor; the first end of the first resistor is coupled to the power input end, the second end of the first resistor is coupled to the first end of the first capacitor, and the second end of the first capacitor is grounded.
3. The charging circuit of claim 1, wherein the power input comprises:
a power pin coupled to a first end of the filter circuit;
a data pin coupled to the master control circuit.
4. A charging circuit as claimed in claim 3, wherein the power supply input is a USB input.
5. The charging circuit of claim 1, wherein the charging module comprises:
a charging chip;
a first end of the second resistor is coupled to the first end of the filter circuit and to a power input pin of the charging chip;
and a first end of the third resistor is coupled to the second end of the second resistor, a second end of the third resistor is grounded, and a coupling point of the second resistor and the third resistor is used as the charging detection output end.
6. The charging circuit of claim 5, wherein the charging module further comprises:
a first end of the fourth resistor is coupled to a charging current programming pin of the charging chip, and a second end of the fourth resistor is grounded.
7. The charging circuit of claim 5, wherein the charging chip further comprises: and the charging indication pin is coupled with an indication lamp circuit of the electronic atomization device.
8. The charging circuit of claim 5, wherein the charging chip further comprises: and the power output pin is coupled with the voltage stabilizing circuit.
9. The charging circuit of claim 1, wherein the voltage regulator circuit comprises:
a second capacitor, a first end of the second capacitor being coupled to the charging module, and a second end of the second capacitor being grounded;
and a first end of the voltage stabilizing diode is respectively coupled with the first end of the second capacitor and the power supply, and a second end of the voltage stabilizing diode is grounded.
10. An electronic atomization device, comprising:
a charging circuit;
the master control circuit is coupled with the charging circuit;
a power supply coupled to the charging circuit and the master control circuit;
wherein the charging circuit is as claimed in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222654608.9U CN218678488U (en) | 2022-09-30 | 2022-09-30 | Charging circuit and electronic atomization device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222654608.9U CN218678488U (en) | 2022-09-30 | 2022-09-30 | Charging circuit and electronic atomization device |
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| Publication Number | Publication Date |
|---|---|
| CN218678488U true CN218678488U (en) | 2023-03-21 |
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| CN202222654608.9U Active CN218678488U (en) | 2022-09-30 | 2022-09-30 | Charging circuit and electronic atomization device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116584713A (en) * | 2023-07-17 | 2023-08-15 | 杭州拓尔微电子有限公司 | Charging control system and electronic cigarette |
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2022
- 2022-09-30 CN CN202222654608.9U patent/CN218678488U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116584713A (en) * | 2023-07-17 | 2023-08-15 | 杭州拓尔微电子有限公司 | Charging control system and electronic cigarette |
| CN116584713B (en) * | 2023-07-17 | 2023-11-10 | 杭州拓尔微电子有限公司 | Charging control system and electronic cigarette |
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