WO2015054961A1

WO2015054961A1 - Touch control circuit, cigarette case circuit, and control method for touch electronic cigarette case

Info

Publication number: WO2015054961A1
Application number: PCT/CN2013/090717
Authority: WO
Inventors: 向智勇
Original assignee: 吉瑞高新科技股份有限公司
Priority date: 2013-10-17
Filing date: 2013-12-27
Publication date: 2015-04-23
Also published as: CN203482903U

Abstract

A touch control circuit comprises a battery (200), a battery voltage detection module (910) configured to detect a voltage of the battery (200) and send a battery voltage signal, a touch module (500) configured to sense a touch operation and send a touch detection signal, a display module (600), and a control module (400) configured to control, after receiving the touch detection signal, the display module (600) to display, along a detection path, identification information for representing the detection path, calculate an electric quantity of the battery (200) according to the battery voltage signal, and further control the display module (600) to display electric quantity information of the battery. The touch control circuit makes operations more flexible, convenient, and diversified, and enhances man-machine interaction of the operations. A cigarette case circuit comprises the touch control circuit, and an overvoltage detection module (920), a current detection module (930), a battery protection module (300), and the like are further disposed in the cigarette case circuit. The cigarette case circuit provides protection measures against overvoltage, overcurrent, full charging, and the like in a cigarette case. Also disclosed is a control method for a touch electronic cigarette case.

Description

Touch control circuit, cigarette box circuit and touch type electronic cigarette box control method

Technical field

The invention relates to the field of daily electronic products, in particular to a touch control circuit, a cigarette box circuit and a touch type electronic cigarette box control method.

Background technique

In the prior art, the electronic cigarette case is mainly powered by the DC power port to the electronic cigarette case, and is controlled by the MCU control module in the cigarette case to charge the battery in the cigarette case or the electronic cigarette battery rod inserted into the cigarette case, or by the cigarette case battery. The MCU control module in the cigarette case controls charging of the electronic cigarette battery rod inserted into the cigarette case.

Therefore, the prior art electronic cigarette case has a single function and has homogenization problems, which cannot satisfactorily meet the needs of consumers. For example, it cannot indicate the specific battery power information, and a small number of the battery box with the power display function is in the power information. The display aspect cannot be interactive, the user cannot control when the power is displayed and the control is not convenient, and the protection measures inside the electronic cigarette case are lacking.

Therefore, the prior art has drawbacks and needs improvement.

Summary of the invention

The technical problem to be solved by the present invention is to provide a touch control circuit, a cigarette box circuit and a touch type electronic cigarette box control method for the defects of the prior art that the above functions are single and cannot be realized.

The technical solution adopted by the present invention to solve the technical problem is to construct a touch control circuit for an electronic cigarette case, including a battery for providing an internal power source, a battery for detecting the battery voltage and transmitting a battery voltage signal a voltage detecting module, a touch module for sensing a touch action and transmitting a touch detection signal, a display module corresponding to the touch module position, and for controlling the display module to display along the touch path after receiving the touch detection signal And a control module for indicating the identification information of the touch path, and calculating the battery power according to the battery voltage signal, thereby controlling the display module to display the battery power information;

The control module is respectively connected to the touch module, the display module, the battery and the battery voltage detecting module, and the battery voltage detecting module is further connected to the battery.

In the touch control circuit of the present invention, the touch module includes at least one touch button for sensing a touch action and a touch detection chip for transmitting the touch detection signal;

Each of the touch buttons is respectively connected to a corresponding touch input port of the touch detection chip, and an output port of the touch detection chip is connected to the control module.

In the touch control circuit of the present invention, the touch module and the display module are stacked on each other to form a touch display screen.

In the touch control circuit of the present invention, the model of the touch detection chip is TTP224,

The number pin of the touch detection chip is connected to the internal power source, and the number pin of the touch detection chip is also grounded via a capacitor.

In the touch control circuit of the present invention, the display module includes at least one light emitting diode.

An anode of each of the light emitting diodes is connected to the internal power source, and a cathode of each of the light emitting diodes is connected to the control module;

When the touch button sequentially senses a touch action, the control module is configured to control the light emitting diode to sequentially turn on the light according to the direction of the touch path, and the light signal of the light emitting diode serves as an identifier indicating the touch path. information.

In the touch control circuit of the present invention, the battery voltage detecting module includes a first voltage dividing resistor and a second voltage dividing resistor;

One end of the first voltage dividing resistor is connected to the positive pole of the battery, the other end of the first voltage dividing resistor is grounded through a second voltage dividing resistor, and the other end of the first voltage dividing resistor is further connected to the Control module.

The present invention also discloses a cigarette case circuit comprising the touch control circuit described above.

In the cigarette case circuit of the present invention, the cigarette case circuit further includes a second charging interface for connecting the battery rod, for adjusting the internal power source and outputting the device under the control of the control module a second charging interface, a boosting module for charging the battery rod, and a current detecting module for detecting a charging current of the battery rod during charging and transmitting a current signal to the control module;

The boosting module is respectively connected to the battery, the control module and the second charging interface, and the current detecting module is respectively connected to the second charging interface and the control module.

In the cigarette case circuit of the present invention, the cigarette case circuit further includes an overvoltage detecting module for detecting a charging voltage output by the boosting module to the battery rod and transmitting a charging voltage signal to the control module ;

The overvoltage detection module is coupled to the boost module and the control module, respectively.

In the cigarette case circuit of the present invention, the cigarette case circuit further includes a first charging interface for connecting an external power source and a charging management for the battery after the first charging port is connected to the external power source. And providing a battery charging management module of the internal power source.

The battery charging management module is respectively connected to the first charging interface, the battery, the boosting module, and the control module.

The invention also discloses a touch type electronic cigarette case control method, comprising the following steps: the touch module corresponding to the position of the display module sends a touch detection signal to the control module after detecting the touch action; the control module receives the touch detection After the signal is controlled, the display module displays the identification information for indicating the touch path along the touch path, and then controls the display module to display the battery power information.

In the touch electronic cigarette case control method of the present invention, the method specifically includes the following steps:

S1, the battery provides internal power; if the first charging interface is connected to an external power supply, the battery charging management module performs charging management on the battery and provides internal power.

S2, the battery voltage detecting module detects the battery voltage, and sends a battery voltage signal to the control module;

S3. The touch module senses a touch action and sends a touch detection signal to the control module;

S4. After receiving the touch detection signal, the control module first controls the display module to display an identifier for indicating the touch path along the touch path, and calculate the battery power according to the battery voltage signal;

S5. The control module then controls the display module to display information about the battery power.

In the touch electronic cigarette case control method of the present invention, after step S1, the method further includes:

The S2' and the boosting module adjust the internal power supply under the control of the control module, and output the same to the second charging interface to charge the battery rod;

S3', the current detecting module detects the charging current of the battery rod during charging, and sends a current signal to the control module, the overvoltage detecting module detects the charging voltage outputted by the boosting module to the battery rod, and sends the charging voltage signal to the control module;

S4', the control module controls the working state of the boosting module according to the current signal to adjust the charging current of the battery rod or controls the boosting module to stop when the battery rod is fully charged according to the current signal, and the control module further determines according to the charging voltage signal. The charging module is controlled to adjust the output charging voltage when the charging voltage is overvoltage.

In the touch-type electronic cigarette case control method of the present invention, the control display module displays the identifier for indicating the touch path along the touch path, specifically: when the touch button sequentially senses the touch action, the control module controls the LED to follow The direction of the touch path sequentially turns on the illumination to display identification information for indicating the touch path.

In the touch type electronic cigarette case control method of the present invention, the touch module and the display module are stacked on each other to form a touch display screen.

The touch control circuit, the cigarette box circuit and the touch type electronic cigarette case control method of the present invention have the following beneficial effects: the touch control circuit of the present invention adds a touch module, and the touch module can sense a touch action and send a touch detection signal to After receiving the touch detection signal, the control module controls the display module to display the identification information for indicating the touch path along the touch path, and then controls the display module to display the information of the battery power, and the control is more flexible, convenient, and more diverse, and enhanced. The human-computer interaction of the operation greatly improves the user experience. The cigarette box circuit of the present invention comprises the touch control circuit, and is further provided with an overvoltage detection module, a current detection module, a battery protection module and the like, and provides various overvoltage and overcurrent full charge protection measures inside the cigarette case.

DRAWINGS

The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

1 is a schematic structural view of a cigarette case circuit of the present invention;

2 is a schematic circuit diagram of a touch control circuit of the cigarette case circuit of FIG. 1;

3 is a schematic diagram of a specific circuit of the boosting module, the second charging interface, the current detecting module, and the overvoltage detecting module of FIG. 1;

4 is a schematic diagram of a specific circuit of the first charging interface and the battery charging management module of FIG. 1;

FIG. 5 is a schematic diagram of a specific circuit of the battery protection module of FIG. 1. FIG.

detailed description

For a better understanding of the technical features, objects and effects of the present invention, the embodiments of the present invention are described in detail with reference to the accompanying drawings.

1 is a schematic structural diagram of a cigarette case circuit of the present invention. The cigarette case circuit includes a touch control circuit and other circuits. The touch control circuit includes a control module 400, a touch module 500, a display module 600, a battery 200, and a battery voltage detecting module 910. The other circuit includes a boosting module 700, a second charging interface 820, a current detecting module 930, an overvoltage detecting module 920, a battery protection module 300, a first charging interface 810, and a battery charging management module 100;

The control module 400 is connected to the touch module 500, the display module 600, the battery 200, the battery voltage detecting module 910, the battery charging management module 100, the boosting module 700, the current detecting module 930, and the overvoltage detecting module 920, respectively. The battery voltage detecting module 910, the battery protection module 300, the battery charging management module 100, and the boosting module 700 are connected, and the boosting module 700 is further connected to the battery charging management module 100, the overvoltage detecting module 920, and the second charging interface 820. The current detection module 930 is also connected to the second charging interface 820, the first charging interface 810 is connected to the battery charging management module 100;

The first charging interface 810 is used for connecting an external power source, and the second charging interface 820 is used for connecting a battery rod;

The battery 200 is used to provide an internal power supply for the entire cigarette case circuit; the battery protection module 300 is used for overcurrent protection of the battery 200; and the battery charging management module 100 is configured to perform the battery 200 when the first charging interface 810 is connected to an external power source. Charge management while providing internal power.

The battery voltage detecting module 910 is configured to detect the battery 200 voltage and send the battery voltage signal to the control module 400;

The touch module 500 is configured to sense a touch action and send a touch detection signal to the control module 400;

The boosting module 700 is configured to adjust an internal power source and output to the second charging interface 820 under the control of the control module 400 to charge the battery rod;

The current detecting module 930 is configured to detect a charging current of the battery rod during charging and send a current signal to the control module 400;

The overvoltage detection module 920 is configured to detect the charging voltage output by the boosting module 700 to the battery rod, and send the charging voltage signal to the control module 400;

The control module 400 is configured to, after receiving the touch detection signal, control the display module 600 to display the identification information for indicating the touch path along the touch path, calculate the battery power according to the battery voltage signal, and then control the display module 600 to display the battery power information. The control module 400 is further configured to control the operating state of the boosting module 700 according to the current signal to adjust the charging current of the battery rod or to control the boosting module 700 to stop working when it is determined that the battery rod is fully charged according to the current signal. The control module 400 is further configured to control the boost module 700 to adjust the output charging voltage when determining the charging voltage overvoltage according to the charging voltage signal.

Referring to FIG. 1, the anode of the battery 200 provides internal power to the entire circuit through the diode D2, and the potential at the cathode of the diode D2 is the internal power source, which is denoted as VDD.

Control module 400 includes a microprocessor U1. The model of the microprocessor U1 is not fixed and can be a common control microprocessor on the market. In this embodiment, the model of the microprocessor U1 is preferably HT46R065. The VDD pin of the microprocessor U1 is connected to the negative terminal of the diode D4, the anode of the diode D4 is directly connected to VDD, the VDD pin is also grounded through the capacitor C11, the AN3 pin is connected to the 2.5V electrical signal, and the VSS pin is grounded.

The battery voltage detecting module 910 includes a first voltage dividing resistor R7 and a second voltage dividing resistor R8;

One end of the first voltage dividing resistor R7 is connected to the positive pole of the battery 200, the other end of the first voltage dividing resistor R7 is grounded through the second voltage dividing resistor R8, and the other end of the first voltage dividing resistor R7 is also connected to the microprocessor U1. Pin 2. After the battery voltage is detected, the battery power is calculated according to the look-up table method.

The touch module 500 includes at least one touch button for sensing a touch action and a touch detection chip U4 that transmits a touch detection signal; the touch buttons are respectively connected to corresponding touch input ports of the touch detection chip U4, and the output port of the touch detection chip U4 is connected to Microprocessor U1.

Preferably, the touch button is a capacitive sensor, which has the advantages of simple structure, low price, high sensitivity, strong overload capability, good dynamic response characteristics and strong adaptability to harsh conditions such as high temperature, radiation and strong vibration. In this embodiment, the touch buttons include K0, K1, K2, and K3, the touch detection chip U4 model is TTP224, the pin 5 of the touch detection chip U4 is connected to VDD, and the pin 5 of the touch detection chip U4 is also grounded via the capacitor C5. The touch buttons K0, K1, K2, and K3 are respectively connected to the touch input ports of the corresponding touch detection chip U4 via the resistors R12, R13, R14, and R15: pins 1, 2, 3, and 4, and the corresponding output ports are respectively For

pins

16, 15, 14, and 13, the pins of pins 14, 14, 15, and 16 of the touch detection chip U4 are respectively connected to the

pins

18, 6, 8, and 7 of the microprocessor U1, and the microprocessor U1 The 18th, 6th, 8th, and 7th pins are also connected to VDD through resistors R27, R28, R29, and R30, respectively. The 5th pin of the touch detection chip U4 is used to set the touch of the output port 13-16 pin output. The detection signal is high.

The display module 600 includes at least one light emitting diode, which in this embodiment includes LED1-LED5, The anodes of the LEDs LED1-LED5 are connected to VDD, and the cathodes of the LEDs LED1-LED5 are sequentially connected to the pins 9-13 of the microprocessor U1 through resistors R21, R22, R23, R24, R25, respectively; When the touch operation is performed, the microprocessor U1 controls the light-emitting diodes to sequentially turn on the light according to the direction of the touch operation, and the light signal of the light-emitting diode serves as the identification information indicating the touch path, thereby providing the user with an eye-catching prompt and a good user experience. LED1 is used to indicate whether the battery 200 is valid. If the above calculation of the battery power determines that the power is too low, the LED 1 flashes to remind, and vice versa, the LED 1 is always turned on; LED2-LED5 respectively correspond to the touch indications of the corresponding touch buttons K0-K3, of course, the number of light-emitting diodes is not limited to be equal to the number of touch buttons.

When the application is specifically applied to the cigarette case, the position of the touch module 500 and the display module 600 are correspondingly set, that is, the position of the light emitting diode and the touch button are correspondingly set. For example, the touch button may be disposed on one side of the light emitting diode or may be placed in the light emitting diode. The preferred touch module 500 and the display module 600 are stacked on each other, that is, each light emitting diode is located at the bottom of the corresponding touch button, and the corresponding number of preferred light emitting diodes is equal to the touch button. The number of LEDs, that is, each time a touch button is triggered, the LED located at the bottom of the touch button is illuminated.

For example, in the natural state, K0, K1, K2, and K3 do not sense the touch action, and the

pins

16, 15, 14, and 13 of the touch detection chip U4 output a low level to the corresponding pin of the microprocessor U1. The microprocessor U1 judges that there is no touch action at this time, and the microprocessor U1 controls the pins 10-13 to output a high level, and the LED2-LED5 is all turned off; when the touch buttons K0, K1, K2, and K3 are sequentially rotated, then The

pins

16, 15, 14, and 13 of the touch detection chip U4 sequentially output a high level to the

pins

7, 8, 6, and 18 of the microprocessor U1, so that the microprocessor U1 controls the pins 10-13. Corresponding sequential output low level, LED2-LED5 turn on the light display in turn. After the display is completed, the microprocessor U1 controls the corresponding number of LEDs to be turned on according to the battery power. For example, when the battery voltage corresponding to the battery voltage reaches 25%, the LED 2 is controlled to be lit, and the battery voltage corresponding to the battery voltage is reached. At 50%, the two LEDs LED2 and LED3 are controlled to be lit at the same time, and so on.

By adding the touch module 500, the invention realizes human-computer interaction of operation, and the manipulation is more flexible, convenient and more diverse.

The overvoltage detecting module 920 includes a third voltage dividing resistor R13 and a fourth voltage dividing resistor R14; one end of the third voltage dividing resistor R13 is connected to the boosting module 700, and the other end of the third voltage dividing resistor R13 is passed through the fourth voltage dividing resistor. R14 is grounded, and the other end of the third voltage dividing resistor R13 is also connected to pin 3 of the microprocessor U1.

The second charging interface 820 includes a cigarette negative electrode OUT- connected to the negative pole of the battery rod and a positive electrode OUT+ connected to the positive pole of the battery rod; the overcurrent detecting module 930 includes a current sampling resistor R3; and one end of the current sampling resistor R3 is connected to the negative pole of the cigarette case OUT - The other end of the current sampling resistor R3 is connected to pin 4 of the microprocessor U1.

The cigarette case circuit of the present invention further includes a MOS transistor Q3 for controlling whether the boosting module 700 operates. The boosting module 700 includes an inductor L1, a first MOS transistor Q4, a diode D3, and a Zener diode Z1.

The drain of the first MOS transistor Q4 is connected to the source of the MOS transistor Q3 through the inductor L1 and the resistor R26, the drain of the MOS transistor Q3 is connected to VDD, and the gate of the MOS transistor Q3 is connected to the microprocessor U1 through the resistor R10. No. pin, the drain of the first MOS transistor Q4 is also connected to the anode of the diode D3, and the gate of the first MOS transistor Q4 is connected to the PWM pin of the microprocessor U1 and one end of the resistor R12 through the resistor R11, and the resistor R12 The other end is grounded, the source of the first MOS transistor Q4 is grounded, the cathode of the diode D3 is connected to the cathode of the Zener diode Z1 and the cathode of the cathode box OUT+, and the anode of the Zener diode Z1 is grounded.

The first MOS transistor Q4 is configured to receive a control signal of the microprocessor U1 through the gate, control its on-time, and then adjust the internal power supply.

If the battery rod is fully charged, the current flowing into the current sampling resistor R3 is small, and the microprocessor U1 judges that the battery rod is fully charged at this time, and immediately controls the MOS tube Q3 to be turned off, and the boosting module 700 stops working. If the overvoltage detection module 920 detects that the charging voltage output by the boosting module 700 is too high, the microprocessor U1 controls to reduce the duty cycle of the PWM wave output to the gate of the first MOS transistor Q4.

Therefore, the present invention also provides an overvoltage protection function for charging, an overcurrent protection function, and when the battery rod is fully charged, the charging is cut off in time to protect the battery rod.

The first charging interface 810 includes a USB interface P1, and the battery charging management module 100 includes a fuse F1 for overcurrent protection, a charger control circuit chip U2, a model of the charger control circuit chip U2 is VA7204, and a BAT pin is connected to the battery 200. The positive terminal, the BAT pin is also grounded through a capacitor C2.

The power terminal of the USB interface P1 is connected to the anode of the diode D1 and the end of the resistor R1 through the fuse F1, and the other end of the resistor R1 is connected to the VCC pin of the charger control circuit chip U2 through the resistor R31, and the cathode of the diode D1 is connected to the above The negative terminal of the diode D2, that is, the internal power supply VDD described above, the ground terminal of the USB interface P1 is connected to the GND pin of the charger control circuit chip U2.

The battery charge management module 100 has both a charge management function and overvoltage protection.

5 is a schematic diagram of a specific circuit of the battery protection module of FIG. 1;

Referring to Figure 1, the battery protection module 300 includes a protection control chip U3, a switch chip U5, a filter capacitor C9, a resistor R19, a resistor R20;

The protection control chip U3 is used to control the opening and closing of the switch chip U5 according to the detected current flowing through the switch chip U5 to control whether the battery 200 operates.

The model of the protection control chip U3 is S-8241. The switch chip U5 includes an integrated N-MOS transistor and an on/off MOS transistor.

One end of the resistor R19 is connected to the positive pole of the battery, the other end is connected in series with the filter capacitor C9 and then connected to the negative pole of the battery. The resistor R20 is connected to the VM pin of the protection control chip U3 and the S2 pin of the switch chip U5, and the resistor R20 is used to prevent the current from being reversed.

The protection control chip U3 is configured to control the opening and closing of the on/off MOS tube according to the detected current flowing through the integrated N-MOS tube, thereby controlling whether the battery operates. Thus, the battery protection module 300 of the present invention provides the cigarette case. The circuit protection function of the battery, especially the protection function of the battery output, input over-current prevention, short-circuit prevention, etc.; at the same time, the protection control chip U3 also has the function protection against overcharging, overdischarging and the like of the battery.

The touch-type electronic cigarette case control method corresponding to the above-mentioned device of the present invention is briefly described below, including: the touch module 500 corresponding to the position of the display module 600 transmits a touch detection signal to the control module 400 after detecting the touch action; the control module After receiving the touch detection signal, the display module 600 controls the display module 600 to display the identification information for indicating the touch path along the touch path, and then controls the display module 600 to display the battery power information.

The specific method is as follows:

S1, the battery 200 provides an internal power supply; if the first charging interface 810 is connected to an external power source, the battery charging management module 100 performs charging management on the battery 200 while providing internal power.

S2, the battery voltage detection module 910 detects the battery 200 voltage, and sends a battery voltage signal to the control module 400;

S3, the touch module 500 senses a touch action and sends a touch detection signal to the control module 400;

S4. After receiving the touch detection signal, the control module 400 first controls the display module 600 to display an identifier for indicating the touch path along the touch path, and calculate the battery power according to the battery voltage signal;

Preferably, the control display module 600 displays the identifier for indicating the touch path along the touch path. Specifically, when the touch button sequentially senses the touch action, the control module 400 controls the LED to sequentially turn on the light according to the direction of the touch path to display for Indicates the identification information of the touch path.

S5. The control module 400 then controls the display module 600 to display information about the battery power.

After step S1, the method further includes:

S2', the boosting module 700 adjusts the internal power supply under the control of the control module 400, and outputs the same to the second charging interface 820 to charge the battery rod;

S3', the current detecting module 930 detects the charging current of the battery rod during charging, and sends a current signal to the control module 400. The overvoltage detecting module 920 detects the charging voltage outputted by the boosting module 700 to the battery rod, and sends the charging voltage signal. To the control module 400;

S4', the control module 400 controls the operating state of the boosting module 700 according to the current signal to adjust the charging current of the battery rod or controls the boosting module 700 to stop working when it is determined that the battery rod is fully charged according to the current signal, and the control module 400 is further charged according to the charging. When the voltage signal determines that the charging voltage is overvoltage, the boosting module 700 is controlled to adjust the output charging voltage.

In other embodiments, the touch module 500 and the display module 600 are stacked on each other to form a touch display screen, that is, the touch module is replaced with the touch module 500 and the display module 600 in the above embodiment to form the embodiment. The touch display screen is common knowledge and will not be described herein. When the identification information for indicating the touch path is displayed by the touch display screen, it is easier to display paths of various shapes or patterns, or the paths are formed by various pattern combinations, and thus the display path is more colorful. Greatly improved the user experience.

The embodiments of the present invention have been described above with reference to the drawings, but the present invention is not limited to the specific embodiments described above, and the specific embodiments described above are merely illustrative and not restrictive, and those skilled in the art In the light of the present invention, many forms may be made without departing from the spirit and scope of the invention as claimed.

Claims

A touch control circuit for an electronic cigarette case, comprising: a battery (200) for providing an internal power source, a battery voltage detecting module for detecting the voltage of the battery (200) and transmitting a battery voltage signal ( 910) a touch module (500) for sensing a touch action and transmitting a touch detection signal, a display module (600) corresponding to a position of the touch module (500), and for controlling after receiving the touch detection signal The display module (600) displays identification information for indicating a touch path along a touch path, and calculates a battery power according to the battery voltage signal, thereby controlling a control module (400) for displaying the battery power information by the display module (600). ;

The control module (400) is respectively connected to the touch module (500), the display module (600), the battery (200), and the battery voltage detecting module (910), and the battery voltage detecting module (910) is further connected to the Said battery (200).
The touch control circuit according to claim 1, wherein the touch module (500) comprises at least one touch button for sensing a touch action and a touch detection chip (U4) for transmitting the touch detection signal;

Each of the touch buttons is respectively connected to a corresponding touch input port of the touch detection chip (U4), and an output port of the touch detection chip (U4) is connected to the control module (400).
The touch control circuit according to claim 1, wherein the touch module (500) and the display module (600) are stacked on each other to form a touch display screen.
The touch control circuit according to claim 2, wherein the touch detection chip (U4) is of the type TTP224.

The pin 5 of the touch detection chip (U4) is connected to the internal power source, and the pin 5 of the touch detection chip (U4) is also grounded via a capacitor (C5).
The touch control circuit according to claim 2, wherein the display module (600) comprises at least one light emitting diode.

The anode of each of the light emitting diodes is connected to the internal power source, and the cathode of each of the light emitting diodes is connected to the control module (400);

When the touch button sequentially senses a touch action, the control module (400) is configured to control the light emitting diode to sequentially turn on the light according to the direction of the touch path, and the light signal of the light emitting diode serves as the touch The identification information of the path.
The touch control circuit according to claim 1, wherein the battery voltage detecting module (910) comprises a first voltage dividing resistor (R7) and a second voltage dividing resistor (R8);

One end of the first voltage dividing resistor (R7) is connected to the anode of the battery (200), and the other end of the first voltage dividing resistor (R7) is grounded through a second voltage dividing resistor (R8), The other end of a voltage dividing resistor (R7) is also connected to the control module (400).
A cigarette case circuit comprising the touch control circuit according to any one of claims 1-6.
The cigarette pack circuit of claim 7 wherein said cartridge circuit further comprises a second charging interface (820) for connecting a battery rod for use under the control of said control module (400) The internal power source is adjusted and output to the second charging interface (820) to charge the battery rod (700) and to detect the charging current of the battery rod during charging and send a current signal to the current detecting module (930) of the control module (400);

The boosting module (700) is respectively connected to the battery (200), the control module (400) and the second charging interface (820), and the current detecting module (930) is respectively connected to the second charging interface (820) and control module (400).
The cigarette pack circuit according to claim 8, wherein said cigarette case circuit further comprises: a charging voltage for detecting output from said boosting module (700) to said battery rod and transmitting a charging voltage signal to said An overvoltage detection module (920) of the control module (400);

The overvoltage detection module (920) is coupled to the boost module (700) and the control module (400), respectively.
The cigarette pack circuit according to claim 8, wherein said cigarette case circuit further comprises a first charging interface (810) for connecting an external power source and for accessing at said first charging interface (810) Charging management of the battery (200) after external power supply, and providing a battery charging management module (100) of the internal power source;

The battery charging management module (100) is respectively connected to the first charging interface (810), the battery (200), the boosting module (700), and the control module (400).
A touch type electronic cigarette case control method, comprising the following steps: the touch module (500) corresponding to the position of the display module (600) sends a touch detection signal to the control module (400) after detecting the touch action The control module (400) controls the display module (600) to display identification information indicating a touch path along the touch path after receiving the touch detection signal, and then controls the display module (600) to display battery power information.
The touch-type electronic cigarette case control method according to claim 11, comprising the following steps:

S1, the battery (200) provides an internal power supply; if the first charging interface (810) is connected to an external power source, the battery charging management module (100) performs charging management on the battery (200) while providing internal power;

S2, the battery voltage detection module (910) detects the battery (200) voltage, and sends a battery voltage signal to the control module (400);

S3, the touch module (500) senses a touch action and sends a touch detection signal to the control module (400);

S4. After receiving the touch detection signal, the control module (400) first controls the display module (600) to display an identifier for indicating the touch path along the touch path, and calculate the battery power according to the battery voltage signal;

S5. The control module (400) then controls the display module (600) to display information about the battery power.
The touch-type electronic cigarette case control method according to claim 12, further comprising, after step S1,

The S2' and the boosting module (700) adjust the internal power supply under the control of the control module (400) and output the same to the second charging interface (820) to charge the battery rod;

S3', the current detecting module (930) detects the charging current of the battery rod during charging, and sends a current signal to the control module (400), and the overvoltage detecting module (920) detects the output of the boosting module (700) to the battery rod. Charging voltage and sending a charging voltage signal to the control module (400);

S4', the control module (400) controls the operating state of the boosting module (700) according to the current signal to adjust the charging current of the battery rod or controls the boosting module (700) to stop working when it is determined that the battery rod is fully charged according to the current signal. The control module (400) further controls the boosting module (700) to adjust the output charging voltage when the charging voltage is overvoltage according to the charging voltage signal.
The touch-type electronic cigarette case control method according to claim 11, wherein the control display module (600) displays the identifier for indicating the touch path along the touch path, specifically: when the touch button sequentially senses the touch action The control module (400) controls the LEDs to sequentially turn on the light according to the direction of the touch path to display the identification information for indicating the touch path.
The touch electronic cigarette case control method according to claim 11, wherein the touch module (500) and the display module (600) are superposed on each other to form a touch display screen.