Mobile phone electricity-taking igniter and control circuit thereof

Abstract

The utility model relates to the technical field of igniters, and discloses a mobile phone electricity-taking igniter and a control circuit thereof, the mobile phone electricity-taking igniter is provided with a shell consisting of a bottom shell and a top shell corresponding to the bottom shell, and a circuit board is arranged in the bottom shell; the heating wire ceramic seat, the electricity taking interface and the blowing detection switch are electrically connected with the circuit board. At least one air blowing hole for air to flow to the air blowing detection switch is formed in the top shell; the charging end of the electricity taking interface is exposed; the heating wire ceramic seat is arranged at the top of the shell in a plane shape; the circuit board is responsible for power management and signal processing; the circuit board is connected with each electronic element, ensures current conduction and function realization, and comprises a control heating wire and a blowing detection switch; the heating wire ceramic seat is located at the top of the shell and is planar, so that the whole body is lighter, thinner and more portable and is responsible for heating and igniting gas, and the ceramic material is resistant to high temperature; the electricity-taking interface provides a charging function, and the charging end is exposed out of the shell and is conveniently connected with a power supply.

Description

Technical Field

[0001] The utility model relates to the technical field of igniters, and particularly relates to a mobile phone power-taking igniter and a control circuit thereof. Background Art

[0002] Electronic lighters are usually battery-powered and use an electric arc or heating element to ignite the cigarette. They are safer than traditional lighters because there is no open flame and they are often windproof. To use, you simply press a button and the electronic element generates enough heat or an electric arc to ignite the cigarette.

[0003] The following problems exist on the market: current lighters generally need to be powered by built-in batteries and use a button to trigger the switch. In addition, the general lighter is cylindrical in shape, which makes the overall thickness thick and poor in portability.

[0004] The technical problem that the utility model aims to solve is to provide a portable lighter which can be powered by a mobile phone. Utility Model Content

[0005] The technical problem to be solved by the present invention is: to provide a portable igniter that can be powered by a mobile phone; the circuit board is responsible for power management and signal processing; the circuit board connects various electronic components to ensure current conduction and function realization, including controlling the heating wire and the blow detection switch; the heating wire ceramic seat is located on the top of the shell and is flat, making the whole more light and portable, responsible for heating and igniting the gas, and the ceramic material is resistant to high temperature; the power supply interface provides a charging function, and its charging end is exposed from the shell to facilitate connection to the power supply; the blow detection switch is connected to the circuit board to detect airflow to ensure the safety of the equipment and only work under correct conditions; the blow hole is formed on the top shell to allow gas to flow to the blow detection switch to ensure its normal operation.

[0006] A mobile phone power igniter comprises a housing consisting of a bottom shell and a top shell corresponding to the bottom shell. The bottom shell is provided with a circuit board inside; a heating wire ceramic holder electrically connected to the circuit board, a power supply interface, and an air blow detection switch are provided; the top shell is formed with at least one air blow hole for gas to flow to the air blow detection switch; the charging end of the power supply interface is exposed; and the heating wire ceramic holder is placed in a flat shape on the top of the housing.

[0007] Preferably, a circular through hole is formed through the top of the top shell, and the circular through hole allows the heating wire ceramic seat to be exposed; and the outer circle of the circular through hole is provided with an annular ring.

[0008] Preferably, the air blowing holes include a central air blowing hole and eight auxiliary air blowing holes arranged at equal intervals around the central air blowing hole; and the auxiliary air blowing holes are in a tapered trumpet shape, thereby enhancing the air guiding performance.

[0009] Preferably, a hanging hole is provided through the end of the shell.

[0010] Preferably, an indicator light electrically connected to the circuit board is also provided.

[0011] Preferably, the power supply interface is a TYPE-C interface.

[0012] A control circuit for a mobile phone power igniter is applied to the mobile phone power igniter, including a control chip U1 electrically connected to a circuit board; the first pin of the control chip U1 is connected to an airflow detection circuit; the third and fourth pins of the control chip U1 are connected to an LED indication circuit; the fifth pin of the control chip is connected to an ESD electrostatic protection tube and a TYPE-C interface; and the sixth pin of the control chip is connected to a heating control circuit.

[0013] Preferably, the airflow detection circuit includes an airflow detection switch MIC1, a resistor R8, a resistor R3, a capacitor C1, a transistor Q2, and a resistor R4; and the first pin of the airflow detection switch MIC1 is connected to one end of the resistor R8 and one end of the capacitor C1; and the other end of the resistor R8 is connected to the fifth pin of the control chip U1; and the other end of the capacitor C1 is connected to one end of the resistor R3 and the base of the transistor Q2, and the other end of the resistor R3 is grounded; and the emitter of the transistor Q2 is grounded, and the collector of the transistor Q2 is connected to one end of the resistor R4 and the first pin of the control chip U1; and the other end of the resistor R4 is connected to the fifth pin of the control chip U1.

[0014] Preferably, the heating control circuit includes a field effect transistor Q1; the source of the field effect transistor Q1 is grounded, the gate of the field effect transistor Q1 is connected to the 6th pin of the control chip U1, the drain of the field effect transistor Q1 is connected to the resistor RX1; and the other end of the resistor RX1 is connected to the resistor R1.

[0015] Preferably, the LED indication circuit includes two light-emitting diodes; one end of one of the light-emitting diodes is connected to the 3rd pin of the control chip U1, and the other end of the light-emitting diode is connected to the 4th pin of the control chip U1; one end of the other light-emitting diode is grounded, and the other end of the light-emitting diode is connected to the resistor R5; and the other end of the resistor R5 is connected to the 5th pin of the control chip U1.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention provides a mobile phone power igniter and its control circuit, and the circuit board is responsible for power management and signal processing; the circuit board connects various electronic components to ensure current conduction and function realization, including controlling the heating wire and the blow detection switch; the heating wire ceramic seat is located on the top of the shell and is flat, making the overall structure more lightweight and portable, responsible for heating and igniting the gas, and the ceramic material is resistant to high temperatures; the power interface provides a charging function, and its charging end is exposed to the shell for easy connection to the power supply; the blow detection switch is connected to the circuit board to detect airflow to ensure the safety of the device and only work under correct conditions; the blow hole is formed on the top shell to allow gas to flow to the blow detection switch to ensure its normal operation.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 This utility model Figure 1 Schematic diagram of the decomposition structure.

[0021] Figure 3 This utility model Figure 1 Schematic diagram of the half-section structure.

[0022] Figure 4 This is a schematic diagram of the control chip circuit of the utility model.

[0023] Figure 5 This is a schematic diagram of the airflow detection circuit of the present utility model.

[0024] Figure 6 This is a schematic diagram of the heating control circuit of the present utility model.

[0025] Figure 7 This is a schematic diagram of the LED indication circuit of the present utility model.

[0026] Figure 8 This is a schematic diagram of the power supply interface circuit of the utility model.

[0027] In the figure: 1. Bottom shell; 2. Top shell; 3. Circuit board; 4. Heating wire ceramic seat; 5. Power supply interface; 6. Blow detection switch; 7. Circular through hole; 8. Ring; 9. Center blow hole; 10. Auxiliary blow hole; 11. Hanging hole; 12. Indicator light. DETAILED DESCRIPTION

[0028] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] It should be noted that the terms "first," "second," and the like in this disclosure are used to distinguish similar objects and are not necessarily used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of the disclosure described herein can be implemented in an order other than that illustrated or described herein. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with the present disclosure.

[0030] See also Figures 1 to 8 In an embodiment of the utility model, a mobile phone power igniter has a shell composed of a bottom shell 1 and a top shell 2 corresponding to the bottom shell 1. A circuit board 3 is provided inside the bottom shell 1; and a heating wire ceramic seat 4 electrically connected to the circuit board 3, a power interface 5, and a blow detection switch 6 are provided; and the top shell 2 is formed with at least one blow hole for gas to flow to the blow detection switch 6; and the charging end of the power interface 5 is exposed; and the heating wire ceramic seat 4 is placed in a flat shape on the top of the shell.

[0031] Specifically, the bottom shell 1 serves as the basis of the device, and a circuit board 3 is installed inside the bottom shell 1, which is responsible for power management and signal processing; the top shell 2 corresponds to the bottom shell 1, encloses the inside of the device, and is designed to be easily disassembled for maintenance or replacement of parts; the circuit board 3 connects various electronic components to ensure current conduction and function realization, including controlling the heating wire and the blow detection switch 6; the heating wire ceramic seat 4 is located on the top of the shell and is flat, making the whole more lightweight and portable. It is responsible for heating and ignition, and the ceramic material is resistant to high temperatures; the power interface 5 provides a charging function, and its charging end is exposed to the shell for easy connection to the power supply; the blow detection switch 6 is connected to the circuit board 3 to detect airflow to ensure the safety of the device and only work under correct conditions; the blow hole is formed on the top shell 2 to allow gas to flow to the blow detection switch 6 to ensure its normal operation.

[0032] Furthermore, a circular through hole 7 is formed through the top of the top shell 2, and the circular through hole 7 allows the heating wire ceramic seat 4 to be exposed; and an annular ring 8 is provided on the outer circle of the circular through hole 7.

[0033] Specifically, the circular through hole 7 is located at the top of the top shell 2, allowing the heating wire ceramic seat 4 to be exposed and directly contact the external environment. This design helps to improve the heat transfer efficiency and ensure rapid ignition; the annular ring 8 is arranged on the outer ring of the circular through hole 7, which can play several roles: safety protection, the annular ring 8 can protect the heating wire ceramic seat 4 to prevent burns or damage caused by accidental contact; sealing performance, which helps to improve the sealing of the entire device and prevent dust or moisture from entering the internal circuit; enhancing structural stability, providing additional structural support, and reducing vibration or movement that may occur during use.

[0034] Furthermore, the air blowing holes include a central air blowing hole 9 and eight auxiliary air blowing holes 10 arranged at equal intervals around the central air blowing hole 9; and the auxiliary air blowing holes 10 are in a tapered trumpet shape, thereby enhancing the air guiding performance.

[0035] Specifically, the central air hole 9 is located in the center of the top, and is mainly used to directly guide the airflow, ensuring that the air blowing detection switch 6 can accurately respond to the user's blowing action and improve the sensitivity of the device; the auxiliary air holes 10, eight of which are arranged at equal intervals around the central air hole 9 to form a uniform distribution; the auxiliary air holes are tapered trumpet-shaped, which can effectively expand the inlet area of ​​the airflow and make the gas flow smoother; the auxiliary holes can enhance the airflow flow, provide greater airflow input, and improve the efficiency of air blowing detection; improve the response speed, and the porous design helps to quickly capture airflow changes, so that the device can respond quickly.

[0036] Furthermore, a hanging hole 11 is provided through the end of the shell.

[0037] Specifically, the hanging hole 11 is located at the end of the shell and can be designed as a circular or oval hole of appropriate size, which can be connected to various hooks or ropes; the functions of this hanging hole 11 include portability, the user can conveniently hang the device on a backpack, belt or other place, and carry it at any time, increasing the convenience of use; storage flexibility, when not in use, it can be hung on the wall or other location, saving space and preventing the device from being lost or damaged; safety, preventing the device from falling or being damaged due to accidental collision when placed.

[0038] Furthermore, an indicator light 12 electrically connected to the circuit board 3 is provided.

[0039] Specifically, the indicator light 12 is electrically connected to the circuit board 3 and is located in a conspicuous position of the shell, which can provide user-friendly visual feedback; the functions of the indicator light 12 include status indication, which displays the working status of the device through different colors or flashing modes, such as charging, standby or ignition preparation; fault prompt, if an abnormal situation occurs, the indicator light 12 can issue a warning to remind the user to check and deal with it in time; user interaction, which increases the user's operational feedback on the device and makes the use process more intuitive.

[0040] Furthermore, the power supply interface 5 is a TYPE-C interface.

[0041] Specifically, in terms of compatibility, the TYPE-C interface is widely used in a variety of devices. Users can easily find compatible charging cables and directly power them with their mobile phones, reducing the need for additional accessories. In terms of durability, the TYPE-C interface is usually designed to be more durable and is not easily damaged when plugged and unplugged frequently.

[0042] A control circuit for a mobile phone power igniter is applied to the mobile phone power igniter, including a control chip U1 electrically connected to a circuit board; the first pin of the control chip U1 is connected to an airflow detection circuit; the third and fourth pins of the control chip U1 are connected to an LED indication circuit; the fifth pin of the control chip is connected to an ESD electrostatic protection tube and a TYPE-C interface; and the sixth pin of the control chip is connected to a heating control circuit.

[0043] Specifically, as an example, the model of the control chip U1 can be SC8P052AD406ST, and the model of the TYPE-C interface is TYPE-C-31-G-03; the control chip U1 is the core of the entire circuit and is responsible for coordinating the work of various components; the airflow detection circuit monitors the airflow in real time and feeds back information to the control chip through the sensor to determine whether the user is blowing, thereby ensuring the safety of the device; the LED indicator circuit feeds back the device status to the user through the indicator light, such as charging, standby or working status, to enhance the user experience; the ESD electrostatic protection tube and the TYPE-C interface provide electrostatic protection to ensure the safety of the device during operation and avoid damage to the circuit due to static electricity; the heating control circuit monitors and adjusts the working status of the heating wire to ensure safe ignition at the appropriate temperature while preventing overheating.

[0044] Furthermore, the airflow detection circuit includes an airflow detection switch MIC1, a resistor R8, a resistor R3, a capacitor C1, a transistor Q2, and a resistor R4; and the first pin of the airflow detection switch MIC1 is connected to one end of the resistor R8 and one end of the capacitor C1; and the other end of the resistor R8 is connected to the fifth pin of the control chip U1; and the other end of the capacitor C1 is connected to one end of the resistor R3 and the base of the transistor Q2, and the other end of the resistor R3 is grounded; and the emitter of the transistor Q2 is grounded, and the collector of the transistor Q2 is connected to one end of the resistor R4 and the first pin of the control chip U1; and the other end of the resistor R4 is connected to the fifth pin of the control chip U1.

[0045] Specifically, as an example, the model of the airflow detection switch MIC1 is GMI4015P-66DB.

[0046] Furthermore, the heating control circuit includes a field effect transistor Q1; the source of the field effect transistor Q1 is grounded, the gate of the field effect transistor Q1 is connected to the 6th pin of the control chip U1, the drain of the field effect transistor Q1 is connected to the resistor RX1; and the other end of the resistor RX1 is connected to the resistor R1.

[0047] Specifically, as an example, the model of the field effect transistor Q1 is A09T.

[0048] Furthermore, the LED indication circuit includes two light-emitting diodes; one end of one of the light-emitting diodes is connected to the 3rd pin of the control chip U1, and the other end of the light-emitting diode is connected to the 4th pin of the control chip U1; one end of the other light-emitting diode is grounded, and the other end of the light-emitting diode is connected to the resistor R5; and the other end of the resistor R5 is connected to the 5th pin of the control chip U1.

[0049] Specifically, as an example, the model of the light emitting diode is A-SP1702R6B1C-C01-3T.

[0050] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be embraced within the present invention.

Claims

1. A mobile phone power igniter, comprising a housing consisting of a bottom shell (1) and a top shell (2) corresponding to the bottom shell (1), characterized in that: The bottom shell (1) is provided with a circuit board (3) inside; and is provided with a heating wire ceramic seat (4) electrically connected to the circuit board (3), a power supply interface (5), and a blow detection switch (6); and the top shell (2) is formed with at least one blow hole for gas to flow to the blow detection switch (6); and the charging end of the power supply interface (5) is exposed; and the heating wire ceramic seat (4) is placed in a planar shape on the top of the shell.

2. A mobile phone power igniter according to claim 1, characterized in that: A circular through hole (7) is formed through the top of the top shell (2), and the circular through hole (7) allows the heating wire ceramic seat (4) to be exposed; and an annular ring (8) is provided on the outer ring of the circular through hole (7).

3. A mobile phone power igniter according to claim 1, characterized in that: The air blowing holes include a central air blowing hole (9) and eight auxiliary air blowing holes (10) arranged at equal intervals around the central air blowing hole (9); and the auxiliary air blowing holes (10) are in a tapered trumpet shape, thereby enhancing the air guiding performance.

4. The mobile phone power igniter according to claim 1, characterized in that: A hanging hole (11) is provided through the end of the shell.

5. The mobile phone power igniter according to claim 1, characterized in that: An indicator light (12) electrically connected to the circuit board (3) is also provided.

6. The mobile phone power igniter according to claim 1, characterized in that: The power supply interface (5) is a TYPE-C interface.

7. A control circuit for a mobile phone power igniter, applied to the mobile phone power igniter according to any one of claims 1 to 6, characterized in that: It includes a control chip U1 electrically connected to the circuit board; the first pin of the control chip U1 is connected to the airflow detection circuit; the third and fourth pins of the control chip U1 are connected to the LED indication circuit; the fifth pin of the control chip is connected to the ESD electrostatic protection tube and the TYPE-C interface; and the sixth pin of the control chip is connected to the heating control circuit.

8. The control circuit of the mobile phone power igniter according to claim 7, characterized in that: The airflow detection circuit includes an airflow detection switch MIC1, a resistor R8, a resistor R3, a capacitor C1, a transistor Q2, and a resistor R4; and the first pin of the airflow detection switch MIC1 is connected to one end of the resistor R8 and one end of the capacitor C1; and the other end of the resistor R8 is connected to the fifth pin of the control chip U1; and the other end of the capacitor C1 is connected to one end of the resistor R3 and the base of the transistor Q2, and the other end of the resistor R3 is grounded; and the emitter of the transistor Q2 is grounded, and the collector of the transistor Q2 is connected to one end of the resistor R4 and the first pin of the control chip U1; and the other end of the resistor R4 is connected to the fifth pin of the control chip U1.

9. The control circuit of the mobile phone power igniter according to claim 7, characterized in that: The heating control circuit includes a field effect transistor Q1; the source of the field effect transistor Q1 is grounded, the gate of the field effect transistor Q1 is connected to the 6th pin of the control chip U1, the drain of the field effect transistor Q1 is connected to the resistor RX1; and the other end of the resistor RX1 is connected to the resistor R1.

10. The control circuit of the mobile phone power igniter according to claim 7, characterized in that: The LED indicator circuit includes two light-emitting diodes; one end of one of the light-emitting diodes is connected to the 3rd pin of the control chip U1, and the other end of the light-emitting diode is connected to the 4th pin of the control chip U1; one end of the other light-emitting diode is grounded, and the other end of the light-emitting diode is connected to a resistor R5; and the other end of the resistor R5 is connected to the 5th pin of the control chip U1.

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