CN215499602U - Ignition circuit and mobile lighting equipment - Google Patents
Ignition circuit and mobile lighting equipment Download PDFInfo
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- CN215499602U CN215499602U CN202121580692.3U CN202121580692U CN215499602U CN 215499602 U CN215499602 U CN 215499602U CN 202121580692 U CN202121580692 U CN 202121580692U CN 215499602 U CN215499602 U CN 215499602U
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- 239000003990 capacitor Substances 0.000 claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims description 17
- 230000000087 stabilizing effect Effects 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 230000005669 field effect Effects 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of lighting devices, in particular to an ignition circuit and mobile lighting equipment.A microphone U5 is arranged, so that when a user blows air to a microphone U5, the microphone U5 receives airflow sound, an input end of a microphone U5 generates an alternating current signal, the alternating current signal is coupled to a base electrode of a triode Q1 through a capacitor C19, and the triode Q1 is opened; when the singlechip U4 judges that someone blows, No. 6 pin PWM5 of singlechip U4 outputs high level, and MOS pipe Q2 switches on, and heater L2 ohmic heating lasts for several seconds, can ignite the paper handkerchief to realize mobile lighting equipment's ignition function.
Description
Technical Field
The utility model belongs to the technical field of lighting devices, and relates to an ignition circuit and mobile lighting equipment.
Background
In recent years, the number of tourism of people is increased year by year, and the safety accidents of the tourism are also increased gradually. When traveling, various accompanying articles such as lighters and flashlights are often required to be carried with the person.
However, when tourists live in the field, the existing mobile lighting equipment can only be used for lighting, so that the purpose of the mobile lighting equipment is too single, and the use experience of users is reduced; the lighter is easy to lose due to small size, and the lighter is also an easily-consumed product, is fast in use speed and cannot be used for a long time, so that tourists are inconvenient to use.
Disclosure of Invention
The utility model aims to provide an ignition circuit and a mobile lighting device, aiming at the defects of the prior art, the ignition function of the mobile lighting device can be realized through blowing, and the mobile lighting device has multiple purposes, so that the problems in the background technology are solved.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an ignition circuit, comprising: the air current detection circuit comprises a main circuit, a signal conversion circuit, a heating circuit and an air current signal detection circuit, wherein the main circuit and the heating circuit are connected with the signal conversion circuit, and the air current signal detection circuit comprises: a microphone U5, the microphone U5 is connected with the signal conversion circuit.
Further, the signal detection circuit includes: and the main circuit, the heating circuit and the microphone U5 are all connected with the singlechip U4 and the singlechip U4.
Further, the airflow signal detection circuit further includes: the microphone comprises a resistor R10, a capacitor C19 and a triode Q1, wherein the input end of a microphone U5 is connected with the base electrode of a triode Q1, the output end of a microphone U5 is grounded, the collector electrode of a triode Q1 is connected with a pin P2.0 No. 7 of a singlechip U4, the emitter electrode of the triode Q1 is grounded, a resistor C19 is connected between the base electrode of the triode Q1 and the input end of a microphone U5, one end of the resistor R10 is connected between the capacitor C19 and the input end of the microphone U5, and the other end of the resistor R10 is connected with a pin P2.3 No. 8 of the singlechip U4.
Further, the heating circuit includes: the field-effect transistor Q2 and heater L2, the drain electrode of field-effect transistor Q2 is connected to one end of heater L2, the power is connected to the other end of heater L2, the source ground of field-effect transistor Q2, the grid connection of field-effect transistor Q2 is No. 6 pin PWM5 of singlechip U4.
Further, the ignition circuit further includes: and the voltage stabilizing circuit is electrically connected with the signal conversion circuit.
Further, the ignition circuit further includes: and the switching circuit is connected with the signal conversion circuit.
Further, the model of the field effect transistor Q2 is AON 7520.
Further, the voltage stabilizing circuit comprises: the voltage stabilizing chip U3 is provided with a voltage stabilizing chip U3 of model BL 8503.
The present invention also provides a mobile lighting device comprising: the lamp body, be equipped with the circuit board in the lamp body, have above-mentioned arbitrary ignition circuit on the circuit board.
The utility model has the beneficial effects that:
by arranging the microphone U5, when a user blows air into the microphone U5, the microphone U5 receives airflow sound, an alternating current signal is generated at the input end of the microphone U5 and is coupled to the base electrode of the triode Q1 through the capacitor C19, and the triode Q1 is opened; when the singlechip U4 judges that someone blows, No. 6 pin PWM5 of singlechip U4 exports the high level, and MOS pipe Q2 switches on then, and heater L2 ohmic heating lasts for a few seconds, can ignite the paper handkerchief to realize mobile lighting apparatus's ignition function, thereby guarantee that mobile lighting apparatus can enough throw light on, can regard as ignition again to use, thereby the experience of reinforcing user when using mobile lighting apparatus.
Drawings
FIG. 1 is a schematic diagram of a heating circuit of the present invention;
FIG. 2 is a schematic diagram of the airflow signal detection circuit of the present invention;
FIG. 3 is a schematic diagram of the airflow signal detection circuit of the present invention;
FIG. 4 is a schematic diagram of a voltage regulator circuit according to the present invention;
fig. 5 is a schematic diagram of the principle of the main circuit of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-5, an ignition circuit includes: main circuit, signal conversion circuit, heating circuit and air current signal detection circuitry, main circuit and heating circuit all are connected with signal conversion circuit, and air current signal detection circuitry includes: the microphone U5 and the microphone U5 are connected with the signal conversion circuit.
In the above embodiment, the signal detection circuit includes: the singlechip U4, the main circuit, the heating circuit and the microphone U5 are all connected with the singlechip U4.
In the above embodiment, the airflow signal detection circuit further includes: the airflow signal detection circuit comprises a resistor R10, a capacitor C19 and a triode Q1, wherein the input end of a microphone U5 is connected with the base of a triode Q1, the output end of a microphone U5 is grounded, the collector of a triode Q1 is connected with a pin P2.0 No. 7 of a singlechip U4, the emitter of the triode Q1 is grounded, a resistor C19 is connected between the base of the triode Q1 and the input end of a U5 of the microphone, one end of the resistor R10 is connected between the input ends of the capacitor C19 and the microphone U5, the other end of the resistor R10 is connected with a pin P2.3 No. 8 of the singlechip U4, and further comprises: one end of the resistor R14 and one end of the resistor R14 are connected with the base electrode of the triode Q1, and the other end of the resistor R14 is grounded.
In the above embodiment, the heating circuit includes: field effect transistor Q2 and heater L2, the drain electrode of field effect transistor Q2 is connected to the one end of heater L2, and the other end of heater L2 is connected with the power, and field effect transistor Q2's source ground connection, field effect transistor Q2's grid connection singlechip U4's pin 6 PWM5, and is further, heating circuit still includes: one end of the resistor R15 and one end of the resistor R15 are connected with the grid of the field effect transistor Q2, the other end of the resistor R15 is grounded, and in the embodiment, the type of the field effect transistor Q2 is AON 7520.
In the above embodiment, the ignition circuit further includes: voltage stabilizing circuit, voltage stabilizing circuit and signal conversion circuit electricity are connected, and is specific, and voltage stabilizing circuit includes: the voltage stabilizing chip U3, the GND terminal of pin 1 of voltage stabilizing chip U3 is grounded, pin 2 VOUT of voltage stabilizing chip U3 is connected to pin 5 VDD of the single chip microcomputer U4, capacitors C17 and C18 are connected between pin 2 VOUT of voltage stabilizing chip U3 and pin 5 VDD of the single chip microcomputer U4, the other ends of capacitors C17 and C18 are grounded, the VIN terminal of pin 3 of voltage stabilizing chip U3 is connected to the positive connection end of a power supply, the VIN terminal of pin 3 of voltage stabilizing chip U3 is further connected to capacitor C16, the other end of capacitor C16 is grounded, a resistor R9 is further connected between the positive connection end of the power supply and capacitor C16, the other end of resistor R9 is connected to resistor R13, the other end of resistor R13 is grounded, the connection point of resistor R9 and resistor R13 is connected to pin 19 AIN6 of pin 82u 56, in this embodiment, the model number of voltage stabilizing chip U3 is BL 858503.
In the above embodiment, the ignition circuit further includes: switch circuit, switch circuit and signal conversion circuit are connected, and is specific, and switch circuit includes: one end of the switch SW1 and one end of the switch SW1 are connected with a No. 9 pin PWM0 of the singlechip U4, and the other end of the switch SW1 is grounded.
In the above embodiment, the main circuit includes: the voltage reduction driving chip U1, the power amplifier circuit and the LED lamp, a pin AGND 1 of the voltage reduction driving chip U1 is grounded, a pin SS 3 of the voltage reduction driving chip U1 is connected with a capacitor C13 and then is connected with a pin AGND 1 of the voltage reduction driving chip U1, a pin FB 2 of the voltage reduction driving chip U1 is connected with the amplifier circuit, a pin EN 4 of the voltage reduction driving chip U1 is connected with a pin AIN5 18 of the singlechip U4, a pin AVIN 5 of the voltage reduction driving chip U1 is connected with the capacitor C1 and then is grounded, a pin GND 8 of the voltage reduction driving chip U1 is grounded, a pin GND 9 of the voltage reduction driving chip U1 is grounded, a resistor R2 is connected between the pin GND 9 of the voltage reduction driving chip U1 and the pin EN 4 of the voltage reduction driving chip U1, a pin IN 10 of the voltage reduction driving chip U1 is connected with a pin IN 11 of the voltage reduction driving chip U1 IN series, and a pin IN 10 of the voltage reduction driving chip U1 is connected with a positive power supply output terminal, capacitors C4, C3, C6, C2 and C5 are sequentially arranged between the No. 10 pin IN of the buck driving chip U1 and the positive power output end, the other ends of the capacitors C4, C3, C6, C2 and C5 are all grounded, the No. 13 pin SW of the buck driving chip U1 is connected with the No. 14 pin SW of the buck driving chip U1, the No. 14 pin SW of the buck driving chip U1 is connected with the positive connecting end of the LED lamp after being connected with the inductor L1, a capacitor C7, a capacitor C8, a capacitor C9, a capacitor C10 and a capacitor C11 are arranged between the positive connecting end of the LED lamp and the inductor L1, and the other ends of the capacitors C7, the capacitors C8, the capacitors C9, the capacitors C10 and the capacitors C11 are all grounded.
In the above embodiment, the amplifying circuit further includes: the amplifier U2, a pin 1 of the amplifier U2 is connected with a negative connection end of the LED lamp, a resistor R5 is further connected between the pin 1 of the amplifier U2 and the negative connection end of the LED lamp, the other end of the resistor R5 is grounded, a pin 2 of the amplifier U2 is grounded, a pin 3 of the amplifier U2 is sequentially connected with resistors R7 and R6 in series and then is connected with a pin 10 PWM of the singlechip U4, a pin 3 of the amplifier U2 is further connected with a resistor R8, the other end of the resistor R8 is grounded, two ends of the resistor R8 are further connected with a capacitor C8, a capacitor C8 is connected between the resistor R8 and the resistor R8, the other end of the capacitor C8 is grounded, a pin 4 of the amplifier U8 is connected with a pin FB 2 of the buck driving chip U8, a pin FB of the buck driving chip U8 is connected with a resistor R8, the other end of the buck driving chip FB 8 is connected with a resistor R8, the buck driving chip FB 8, the resistor R1 is connected with the positive connecting end of the LED lamp, the No. 5 pin of the amplifier U2 is connected with the positive connecting end of the LED lamp, the No. 5 pin of the amplifier U2 is also connected with a capacitor C123, and the other end of the capacitor C12 is grounded.
The present invention also provides a mobile lighting device comprising: the lamp body is equipped with the circuit board in the lamp body, has on the circuit board ignition circuit.
The working principle is as follows: when the mobile lighting device is used, the switch SW1 is pressed, the No. 18 pin EN of the singlechip U4 outputs high level, and the voltage reduction driving chip U1 starts to work, so that the lighting function of the mobile lighting device is realized; when the air blowing is not performed, a pin EN1 No. 8 of the singlechip U4 outputs a high level, a direct current bias voltage is provided for the input end of the microphone U5 through a resistor R10, so that when a user blows air to the microphone U5, the microphone U5 receives airflow sound, the input end of the microphone U5 generates an alternating current signal, the alternating current signal is coupled to the base electrode of the triode Q1 through a capacitor C19, and the triode Q1 is opened; when the singlechip U4 judges that someone blows, No. 6 pin PWM5 of singlechip U4 outputs high level, and MOS pipe Q2 switches on, and heater L2 ohmic heating lasts for several seconds, can ignite the paper handkerchief to realize mobile lighting equipment's ignition function.
The above-described embodiments are only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (9)
1. An ignition circuit, comprising: the air current detection circuit comprises a main circuit, a signal conversion circuit, a heating circuit and an air current signal detection circuit, wherein the main circuit and the heating circuit are connected with the signal conversion circuit, and the air current signal detection circuit comprises: a microphone U5, the microphone U5 is connected with the signal conversion circuit.
2. An ignition circuit as claimed in claim 1, wherein said signal detection circuit comprises: and the main circuit, the heating circuit and the microphone U5 are all connected with the singlechip U4 and the singlechip U4.
3. An ignition circuit as claimed in claim 2, wherein said airflow signal detection circuit further comprises: the microphone comprises a resistor R10, a capacitor C19 and a triode Q1, wherein the input end of a microphone U5 is connected with the base electrode of a triode Q1, the output end of a microphone U5 is grounded, the collector electrode of a triode Q1 is connected with a pin P2.0 No. 7 of a singlechip U4, the emitter electrode of the triode Q1 is grounded, a resistor C19 is connected between the base electrode of the triode Q1 and the input end of a microphone U5, one end of the resistor R10 is connected between the capacitor C19 and the input end of the microphone U5, and the other end of the resistor R10 is connected with a pin P2.3 No. 8 of the singlechip U4.
4. An ignition circuit as claimed in claim 2 or 3, wherein said heat generating circuit comprises: the field-effect transistor Q2 and heater L2, the drain electrode of field-effect transistor Q2 is connected to one end of heater L2, the power is connected to the other end of heater L2, the source ground of field-effect transistor Q2, the grid connection of field-effect transistor Q2 is No. 6 pin PWM5 of singlechip U4.
5. An ignition circuit as claimed in claim 1, further comprising: and the voltage stabilizing circuit is electrically connected with the signal conversion circuit.
6. An ignition circuit as claimed in claim 1, further comprising: and the switching circuit is connected with the signal conversion circuit.
7. An ignition circuit as claimed in claim 4, wherein said FET Q2 is of the type AON 7520.
8. An ignition circuit as claimed in claim 5, wherein said voltage regulation circuit comprises: the voltage stabilizing chip U3 is provided with a voltage stabilizing chip U3 of model BL 8503.
9. A mobile lighting device, comprising: a lamp body, wherein a circuit board is arranged in the lamp body, and the circuit board is provided with an ignition circuit as claimed in any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121580692.3U CN215499602U (en) | 2021-07-13 | 2021-07-13 | Ignition circuit and mobile lighting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121580692.3U CN215499602U (en) | 2021-07-13 | 2021-07-13 | Ignition circuit and mobile lighting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215499602U true CN215499602U (en) | 2022-01-11 |
Family
ID=79726285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121580692.3U Active CN215499602U (en) | 2021-07-13 | 2021-07-13 | Ignition circuit and mobile lighting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215499602U (en) |
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2021
- 2021-07-13 CN CN202121580692.3U patent/CN215499602U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building 2, Cuiheng International Science and Technology Innovation Center, No. 21 Beichen Road, Cuiheng New District, Zhongshan City, Guangdong Province, 528400, 604 Patentee after: Aolei Technology Group Co.,Ltd. Address before: Room 527, Unit 1, Building 2, Qian'an Garden, No. 18 Cuicheng Road, Cuiheng New District, Nanlang Street, Zhongshan City, Guangdong Province, 528400 Patentee before: Zhongshan Aolei Technology Co.,Ltd. Address after: Room 527, Unit 1, Building 2, Qian'an Garden, No. 18 Cuicheng Road, Cuiheng New District, Nanlang Street, Zhongshan City, Guangdong Province, 528400 Patentee after: Zhongshan Aolei Technology Co.,Ltd. Address before: 518000 A2 fifth floor, Fuhai information port, Qiaotou community, Fuhai street, Shenzhen, Guangdong, Baoan District Patentee before: Shenzhen Olight E-Commerce Technology Co.,Ltd. |
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| CP03 | Change of name, title or address |