Multi-light-source flashlight
By providing power to the second light source component of the flashlight through wireless electromagnetic induction, the problems of inconvenient assembly and location limitations caused by conductive wire connections in the prior art are solved, and the second light source component can be conveniently installed and replaced.
Patent Information
- Application Number
- CN202423288283.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The side light source and the front light source of existing flashlights are connected by conductive wires, which makes assembly inconvenient and limits the design of the side light source position.
The second light source component is powered by wireless electromagnetic induction and is electrically connected to the circuit board through a transmitting coil. The second LEDs are distributed on the outer wall of the tube and the lamp head, without the need for conductive wire connection.
It enables convenient installation and replacement of the second light source component, simplifying the product assembly process.
Smart Images

Figure CN223579858U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of lighting tools, especially to a flashlight. BACKGROUND
[0002] The flashlight is a handheld electronic lighting tool, which has a bulb powered by a battery and a focusing mirror, and a handle shell for handheld use. With the increasing use requirements, the functions of the flashlight are gradually enriched, not only relying on the front light source as the traditional illumination purpose, but also relying on the side light source as the purpose of using as a desk lamp or atmosphere lamp. The existing flashlight side light source and the front main light source are connected through the conductive wire and the circuit board, and the conductive wire method will bring inconvenience to the assembly of the product, and when setting the side light source, the interference in the flashlight also needs to be considered, and the position design of the side light source has certain limitations, so a more suitable structure for a multi-light source flashlight is needed. SUMMARY
[0003] The utility model provides a more suitable structure for a multi-light source flashlight in view of the above problems.
[0004] The utility model provides a more suitable structure for a multi-light source flashlight in view of the above problems.
[0005] The first light source assembly of the multi-light source flashlight of the utility model is used as the traditional illumination purpose by irradiating forward, and the second light source assembly is used as a desk lamp or atmosphere lamp on the side of the flashlight. The second lamp bead does not need to be connected with the circuit board, and the emitting coil provides power supply for the second lamp bead through the wireless electromagnetic induction mode. Compared with the prior art, the utility model has the advantages that the connection of the second light source assembly does not need to set the conductive wire, and the product assembly is convenient.
[0006] As a preferred, the outer wall of the barrel body and / or the outer wall of the lamp head is provided with a mounting groove, and the second lamp bead is inserted into the mounting groove. In this way, the second lamp bead is convenient to install and replace.
[0007] As a preferred, the second lamp bead comprises a light emitting diode, a capacitor and an inductor.
[0008] As preferred, the barrel body comprises a first barrel, a second barrel and a connecting pipe, the first barrel and the second barrel are spliced to form a barrel shape, the connecting pipe is slidingly connected in the lamp cap, and the rear end of the connecting pipe is connected with the front end of the first barrel; the circuit board is located at the front part of the inner cavity of the barrel body, the power supply assembly is located at the rear part of the inner cavity of the barrel body, the transmitting coil is located between the circuit board and the power supply assembly, and the second barrel inner wall is provided with a slot, and part of the transmitting coil is inserted into the slot.
[0009] As preferred, the second barrel inner wall is provided with a reverse buckle, and the first barrel inner wall is provided with a buckle groove matched with the reverse buckle. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is a structure schematic view of the multi-light-source flashlight.
[0011] Figure 2 It is an isometric cross-sectional view of the multi-light-source flashlight.
[0012] Figure 3 It is an explosion view of the multi-light-source flashlight.
[0013] Figure 4 It is a cross-sectional view of the multi-light-source flashlight.
[0014] As shown in the drawings: 1, barrel body, 11, first barrel, 110, buckle groove, 12, second barrel, 120, slot, 121, reverse buckle, 13, connecting pipe, 2, lamp cap, 3, power supply assembly, 4, circuit board, 5, switch assembly, 61, first lamp bead, 70, mounting groove, 71, transmitting coil, 72, second lamp bead. DETAILED DESCRIPTION
[0015] The utility model is further described below in combination with the drawings and specific embodiments.
[0016] As Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, a multi-light-source flashlight comprises a barrel body 1 and a lamp cap 2 connected to the front end of the barrel body 1, the barrel body 1 is provided with a power supply assembly 3 and a circuit board 4 inside, and the outer wall of the barrel body 1 is provided with a switch assembly 5 electrically connected with the circuit board 4. The lamp cap 2 is provided with a first light source assembly, which comprises a first lamp bead 61, a lens, a reflecting cup and a connecting ring, the lens is installed at the most front end of the lamp cap 2, the first lamp bead 61 and the reflecting cup are installed in the connecting ring, the first lamp bead 61 is electrically connected with the circuit board 4 and irradiates forward.
[0017] The multi-light source flashlight further comprises a second light source assembly, the second light source assembly comprising a transmitting coil 71 and a second lamp bead 72 capable of electromagnetic induction with the transmitting coil 71, the transmitting coil 71 being mounted in the barrel body 1 and electrically connected with the circuit board 4, and the second lamp bead 72 being distributed on the outer wall of the barrel body 1 and the lamp head 2.
[0018] The outer wall of the barrel body 1 and the outer wall of the lamp head 2 are provided with mounting grooves 70, and the second lamp bead 72 is inserted into the mounting grooves 70. In this way, the second lamp bead 72 is convenient to install and replace.
[0019] The second lamp bead 72 comprises a light-emitting diode, a capacitor and an inductor, and the light-emitting diode and the capacitor are connected in parallel on the inductor. The switch assembly 5 can control the on-off of the transmitting coil 71, and the transmitting coil 71 generates a magnetic field after being powered on. The inductor of the second lamp bead 72 distributed on the flashlight can sense the magnetic field and generate an induced current to make the second lamp bead 72 emit light.
[0020] The barrel body 1 comprises a first barrel 11, a second barrel 12 and a connecting pipe 13, and the first barrel 11 and the second barrel 12 are spliced to form a barrel shape. The connecting pipe 13 is slidingly connected in the lamp head 2, the front end of the connecting pipe 13 is screwed with a connecting ring in the lamp head 2, and the rear end of the connecting pipe 13 is connected with the front end of the first barrel 11. The circuit board 4 is located in the front part of the inner cavity of the barrel body 1, the power supply assembly 3 is located in the rear part of the inner cavity of the barrel body 1, the transmitting coil 71 is located between the circuit board 4 and the power supply assembly 3, the inner wall of the second barrel 12 is provided with a slot 120, and part of the transmitting coil 71 is inserted into the slot 120, so as to avoid the influence of the whole transmitting coil 71 on the transmitting effect.
[0021] The inner wall of the second barrel 12 is provided with a reverse buckle 121, and the inner wall of the first barrel 11 is provided with a buckle groove 110 matched with the reverse buckle 121.
[0022] The first light source assembly of the multi-light source flashlight of the utility model is used for forward irradiation as a traditional irradiation purpose, and the second light source assembly is used as a table lamp or an atmosphere lamp on the side of the flashlight. The second lamp bead 72 of the second light source assembly does not need to be connected with the circuit board 3, the transmitting coil 71 provides power supply for the second lamp bead 72 through a wireless electromagnetic induction mode, the second lamp bead 72 can be installed at any position on the outer wall of the flashlight, a conductive wire is not needed to be arranged, and product assembly is convenient.
Claims
1. A multi-light source flashlight, comprising a barrel body (1) and a lamp head (2) connected to the front end of the barrel body (1), wherein a power supply assembly (3) and a circuit board (4) are provided inside the barrel body (1), and a switch assembly (5) electrically connected to the circuit board (4) is provided on the outer wall of the barrel body (1); a first light source assembly is provided inside the lamp head (2), the first light source assembly comprising a first lamp bead (61), the first lamp bead (61) being electrically connected to the circuit board (4) and illuminating forward; characterized in that: The second light source assembly comprises an emitting coil (71) and a second lamp bead (72) electromagnetically induced with the emitting coil (71), the emitting coil (71) is installed in the barrel body (1) and electrically connected with the circuit board (4), and the second lamp bead (72) is distributed on the outer wall of the barrel body (1) and / or the lamp head (2).
2. The multi-light source flashlight of claim 1, wherein: The outer wall of the barrel body (1) and / or the outer wall of the lamp head (2) is provided with a mounting groove (70), and the second lamp bead (72) is inserted into the mounting groove (70).
3. The multi-light source flashlight of claim 1, wherein: The second lamp bead (72) comprises a light-emitting diode, a capacitor and an inductor.
4. The multi-light source flashlight of claim 1, wherein: The barrel body (1) comprises a first barrel (11), a second barrel (12) and a connecting pipe (13), the first barrel (11) and the second barrel (12) are spliced to form a barrel shape, the connecting pipe (13) is slidingly connected in the lamp head (2), the rear end of the connecting pipe (13) is connected with the front end of the first barrel (11), the circuit board (4) is located in the front part of the inner cavity of the barrel body (1), the power supply assembly (3) is located in the rear part of the inner cavity of the barrel body (1), the emitting coil (71) is located between the circuit board (4) and the power supply assembly (3), and the inner wall of the second barrel (12) is provided with a slot (120), and part of the emitting coil (71) is inserted into the slot (120).
5. The multi-light source flashlight of claim 4, wherein: The inner wall of the second barrel (12) is provided with a reverse buckle (121), and the inner wall of the first barrel (11) is provided with a buckle groove (110) matched with the reverse buckle (121).