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CN-224233875-U - Multifunctional flashlight driving circuit

CN224233875UCN 224233875 UCN224233875 UCN 224233875UCN-224233875-U

Abstract

The utility model discloses a multifunctional flashlight driving circuit which comprises a control module, a power supply module and an electricity utilization module, wherein the control module comprises a main control chip U1, keys S1, S2, S3 and S4 which are electrically connected with the main control chip U1, the power supply module adopts a power supply chip U2 which is connected with a power transmission interface TPC1 through a field effect tube Q12 and is connected with the electricity utilization module through the main control chip U1 to supply power, and the electricity utilization module comprises a main lamp unit, an auxiliary lamp unit, a laser lamp unit and an ignition unit. Therefore, the power supply chip outputs corresponding current and voltage to the main lamp, the auxiliary lamp, the laser lamp, the heating wire or the power transmission interface based on the control instruction received by the main control chip, so that the multifunctional flashlight realizes diversified functions of multi-lamp effect output, ignition protection, power supply parameter adjustment and the like, a specific circuit is not required to be designed specially for specific functions, the circuit structure is simple, and the safety performance is strong.

Inventors

  • GUO FENGGUANG

Assignees

  • 中山市光神科技有限公司

Dates

Publication Date
20260512
Application Date
20250523

Claims (9)

  1. 1. A multi-functional flashlight drive circuit, comprising: The device comprises a control module, a power supply module and a power utilization module; The control module comprises a main control chip U1, and is electrically connected with a key S1, a key S2, a key S3 and a key S4 of the main control chip U1; The power supply module adopts a power supply chip U2 which is connected with a power transmission interface TPC1 through a field effect transistor Q12, and is connected with the power utilization module through the main control chip U1 for power supply; The power utilization module comprises a main lamp unit, an auxiliary lamp unit, a laser lamp unit and an ignition unit.
  2. 2. The multi-function flashlight drive circuit of claim 1, comprising: The 38 th pin of the power chip U2 is connected with the 6 th pin of the field effect tube Q12, the 27 th, 28 th, 29 th, 30 th, 31 th, 32 nd and 33 th pins are connected with the 2 nd and 5 th pins of the field effect tube Q12, the 43 rd pin is connected with the 5 th and 7 th pins of the power transmission interface TPC1, the 42 th pin is connected with the 6 th and 8 th pins of the power transmission interface TPC1, the 41 st pin is connected with the 3 rd pin of the power transmission interface TPC1, the 40 th pin is connected with the 9 th pin of the power transmission interface TPC1, and the 12 th pin is connected with the 2 nd and 11 th pins of the power transmission interface TPC 1; the 1 st pin and the 3 rd pin of the field effect tube Q12 are connected with the 2 nd pin and the 12 nd pin of the power transmission interface TPC1, and the 1 st pin and the 12 nd pin of the power transmission interface TPC1 are grounded.
  3. 3. A multi-function flashlight drive circuit as claimed in claim 2, comprising: The 36 th pin of the power chip U2 is connected with the 4 th pin and the 6 th pin of the field effect tube Q11, the 27 th pin, the 28 th pin, the 29 th pin, the 30 th pin, the 31 th pin, the 32 nd pin and the 33 th pin are connected with the 2 nd pin and the 5 th pin of the field effect tube Q11, and the 10 th pin is connected with the 2 nd pin and the 5 th pin of the field effect tube Q11; and the 13 th pin of the field effect transistor Q11 outputs +5V voltage.
  4. 4. The multi-function flashlight drive circuit of claim 1, comprising: the 6 th pin of the main control chip U1 is connected with the 36 th pin of the power chip U2 through a diode D10 and a diode D11, the 6 th pin is connected with the 38 th pin of the power chip U2 through a field effect transistor Q1 and a resistor R49, the 14 th pin is connected with the 36 th pin of the power chip U2, the 7 th pin is connected with the key S1, the 4 th pin is connected with the key S2, the 5 th pin is connected with the key S3, the 8 th pin is connected with the key S4, and the 15 th pin is grounded.
  5. 5. The multi-function flashlight drive circuit of claim 4, comprising: the main lamp unit comprises a lamp bead LED1, wherein the anode of the lamp bead LED is connected with the 1 st pin of the main control chip U1; The auxiliary lamp unit comprises a lamp bead RD1, a lamp bead RD2 and a lamp bead RD3 which are connected with the 12 th pin of the main control chip U1, a lamp bead BD2 and a lamp bead BD3 which are connected with the 11 th pin of the main control chip U1, a lamp bead GD2 and a lamp bead GD3 which are connected with the 10 th pin of the main control chip U1, and a lamp bead WD1, a lamp bead WD2, a lamp bead WD3, a lamp bead WD4, a lamp bead WD5, a lamp bead WD6, a lamp bead WD7, a lamp bead WD8, a lamp bead WD9 and a lamp bead WD10 which are connected with the 3 RD pin of the main control chip U1.
  6. 6. The multi-function flashlight drive circuit of claim 5, comprising: The anode of the lamp bead LED1 is connected with a resistor R11 and a field effect transistor Q2 which are connected in parallel through a resistor R25, the 1 st pin of the main control chip U1 is connected, and the cathode of the lamp bead LED1 is grounded through a resistor R1, a resistor R2 and a resistor R3 which are connected in parallel; The 12 th pin of the main control chip U1 is connected with a resistor R28, a field effect transistor Q5 and a resistor R28 which are connected in parallel, the lamp bead RD1 is connected with a resistor R60, the lamp bead RD2 is connected with a resistor R61, and the lamp bead RD3 is connected with a resistor R46; The 11 th pin of the main control chip U1 is connected with a resistor R30, a field effect transistor Q6 and a resistor R31 which are connected in parallel, the lamp bead BD1 is connected with a resistor R47, the lamp bead BD2 is connected with a resistor R72, and the lamp bead BD3 is connected with a resistor R63; The 10 th pin of the main control chip U1 is connected with a resistor R33, a field effect transistor Q7 and a resistor R34 which are connected in parallel, the lamp bead GD1 is connected with a resistor R75, the lamp bead GD2 is connected with a resistor R73, and the lamp bead GD3 is connected with a resistor R52; The 3 rd pin of the main control chip is connected with a resistor R36, a field effect transistor Q8 and a resistor R37 which are connected in parallel, the lamp bead WD1 is connected with a resistor R56, the lamp bead WD2 is connected with a resistor R57, the lamp bead WD3 is connected with a resistor R58, the lamp bead WD4 is connected with a resistor R59, the lamp bead WD5 connecting resistor R70, the lamp bead WD6 connecting resistor R71, the lamp bead WD7 connecting resistor R62, the lamp bead WD8 connecting resistor R64, the lamp bead WD9 connecting resistor R74 and the lamp bead WD10 connecting resistor R65.
  7. 7. The multi-function flashlight drive circuit of claim 5, comprising: The laser lamp unit comprises a laser lamp JD1 connected with a 13 th pin of the main control chip U1; the ignition unit comprises an electric heating wire HR1 connected with the 16 th pin of the main control chip U1.
  8. 8. The multi-function flashlight drive circuit of claim 7, comprising: the 13 th pin of the main control chip U1 is connected with a resistor R23, a field effect transistor Q4 and a resistor R13 which are connected in parallel, and a resistor R5; the resistor R4 is connected in parallel with the laser lamp JD1; The 16 th pin of the main control chip U1 is connected with a resistor R22, a field effect transistor Q3 and a resistor R12 which are connected in parallel, and a resistor R44.
  9. 9. The multi-function flashlight drive circuit of claim 1, comprising: The 22 nd pin of the main control chip U1 is connected with the 5 th pin of the display screen LED1, the 23 rd pin is connected with the 4 th pin of the display screen LED1, the 24 th pin is connected with the 3 rd pin of the display screen LED1, the 25 th pin is connected with the 2 nd pin of the display screen LED1, and the 26 th pin is connected with the 1 st pin of the display screen LED 1.

Description

Multifunctional flashlight driving circuit Technical Field The utility model relates to the technical field of circuit design, in particular to a multifunctional flashlight driving circuit. Background Under the outdoor scene that lacks the logistic support, the emergent new demand of seeking survival that fires and illumination are the basis, and still need possess the power supply demand under the circumstances of taking into account emergency communication, if dispose the instrument to each demand alone, then probably need carry flashlight, magnesium stick, lens, battery, solar panel etc. simultaneously, portability is poor, and take inadequately convenient. Therefore, the existing multifunctional flashlight integrating the functions of illumination, ignition and power supply integrates various lamp beads to realize different lighting effects, is provided with an igniter for igniting combustible materials and a power transmission port for supplying power to electric equipment. However, unlike conventional flashlights that are used only for illumination, the above multifunctional flashlights require modulating current to emit different light effects in addition to transmitting power to the light bulbs of different specifications, perform power transmission safety protection on the igniter, and perform parameter detection and parameter adjustment output when power is supplied to the igniter. The existing circuit design scheme applied to the flashlight is relatively single in function and lacks of related detection regulation and safety protection design. Disclosure of utility model The embodiment discloses a multi-functional flashlight drive circuit, specifically includes: The device comprises a control module, a power supply module and a power utilization module; The control module comprises a main control chip U1, and is electrically connected with a key S1, a key S2, a key S3 and a key S4 of the main control chip U1; The power supply module adopts a power supply chip U2 which is connected with a power transmission interface TPC1 through a field effect transistor Q12, and is connected with the power utilization module through the main control chip U1 for power supply; The power utilization module comprises a main lamp unit, an auxiliary lamp unit, a laser lamp unit and an ignition unit. As an optional implementation manner, pin 38 of the power chip U2 is connected to pin 6 of the field effect transistor Q12, pins 27, 28, 29, 30, 31, 32, and 33 are connected to pins 2 and 5 of the field effect transistor Q12, pin 43 is connected to pins 5 and 7 of the power transmission interface TPC1, pin 42 is connected to pins 6 and 8 of the power transmission interface TPC1, pin 41 is connected to pin 3 of the power transmission interface TPC1, pin 40 is connected to pin 9 of the power transmission interface TPC1, and pin 12 is connected to pins 2 and 11 of the power transmission interface TPC 1; the 1 st pin and the 3 rd pin of the field effect tube Q12 are connected with the 2 nd pin and the 12 nd pin of the power transmission interface TPC1, and the 1 st pin and the 12 nd pin of the power transmission interface TPC1 are grounded. As an optional implementation manner, the 36 th pin of the power chip U2 is connected to the 4 th pin and the 6 th pin of the field effect transistor Q11, the 27 th pin, the 28 th pin, the 29 th pin, the 30 th pin, the 31 th pin, the 32 th pin and the 33 th pin are connected to the 2 nd pin and the 5 th pin of the field effect transistor Q11, and the 10 th pin is connected to the 2 nd pin and the 5 th pin of the field effect transistor Q11; and the 13 th pin of the field effect transistor Q11 outputs +5V voltage. As an optional implementation manner, the 6 th pin of the main control chip U1 is connected with the 36 th pin of the power chip U2 through a diode D10 and a diode D11, the 6 th pin is connected with the 38 th pin of the power chip U2 through a field effect transistor Q1 and a resistor R49, the 14 th pin is connected with the 36 th pin of the power chip U2, the 7 th pin is connected with the key S1, the 4 th pin is connected with the key S2, the 5 th pin is connected with the key S3, the 8 th pin is connected with the key S4, and the 15 th pin is grounded. As an optional implementation manner, the main lamp unit includes a lamp bead LED1 whose anode is connected to the 1 st pin of the main control chip U1; The auxiliary lamp unit comprises a lamp bead RD1, a lamp bead RD2 and a lamp bead RD3 which are connected with the 12 th pin of the main control chip U1, a lamp bead BD2 and a lamp bead BD3 which are connected with the 11 th pin of the main control chip U1, a lamp bead GD2 and a lamp bead GD3 which are connected with the 10 th pin of the main control chip U1, and a lamp bead WD1, a lamp bead WD2, a lamp bead WD3, a lamp bead WD4, a lamp bead WD5, a lamp bead WD6, a lamp bead WD7, a lamp bead WD8, a lamp bead WD9 and a lamp bead WD10 which are connected with the 3 RD pin of the m