Flashlight capable of changing light source

Abstract

The utility model relates to the technical field of electric torches, and discloses an electric torch capable of changing a light source, which comprises an electric torch body, a key sleeve, a light changing source head, a switch, a circuit control board, a storage battery and a power supply, the light changing source head is arranged on the electric torch body, and an inner cavity is enclosed by the light changing source head and the electric torch body; a switch, a circuit control board, a storage battery and a power supply device are arranged in the inner cavity, the switch is a button type switch, the button end of the switch penetrates through one side wall of the flashlight body and extends to the outer side, the button end of the switch is sleeved with the button sleeve, the switch is electrically connected to the circuit control board, the storage battery is electrically connected with the circuit control board, and the power supply device is electrically connected with the circuit control board. The power supply output end of the circuit control board is electrically connected with the light changing source head through the switch. By means of the reasonable design of the flashlight, various light sources of the flashlight can be changed, light changing can be conducted in a switching mode, light can be better changed through the light source lens, and light can be selectively converged or diverged.

Description

Technical Field

[0001] The utility model relates to the technical field of flashlights, in particular to a flashlight with a convertible light source. Background Art

[0002] A flashlight is a handheld electronic lighting tool. A typical flashlight has a battery-powered bulb and a focusing reflector, and a handle-type housing for hand-held use. With the development of society, electronic products are emerging in an endless stream, and flashlights of all kinds have appeared, but these flashlights are generally only equipped with dry batteries to provide power. The power of this dry battery power supply is limited and cannot meet the needs of long-term use. In addition, the light source of flashlights on the market is single, generally white light or monochromatic light illumination. If you need to use a light source of other colors, you need to find another flashlight to use. The operation is cumbersome and complicated, and there are restrictions on use. In addition, the light source lens of the flashlight is only a single reflector / transmitter, which limits the light change of the light source, and the light source cannot diverge or converge.

[0003] Therefore, in view of the above problems, the existing flashlight needs to be further improved. Utility Model Content

[0004] The purpose of the utility model is to overcome the problems of the existing flashlights, such as single light source, inability to switch dimming, simple optical lens, light restriction, pollution of dry battery mode, etc.; through the rational design of the flashlight, the use of a flashlight body, a key cover, a light source head, a switch, a circuit control board, a battery and a power supply, a variety of light source changes of the flashlight can be realized, the light source lens can better change the light, forming a divergent light that expands the viewing angle or a convergent light with concentrated energy, and combined with a battery and a power supply, especially a hand-cranked power generation, the flashlight has the advantages of durable use and improved use effect.

[0005] The technical solution of the utility model is as follows:

[0006] A flashlight with a variable light source, the flashlight comprising: a flashlight body, a button cover, a variable light source head, a switch, a circuit control board, a battery and a power supply. The variable light source head is mounted on the flashlight body, and the variable light source head and the flashlight body form an inner cavity, in which the switch, circuit control board, battery and power supply are arranged. The switch is a button-type switch, the button end of the switch passes through a side wall of the flashlight body and extends to the outside, the button cover is sleeved on the button end of the switch, the switch is electrically connected to the circuit control board, the power output end of the battery is electrically connected to the power input end of the circuit control board, the power input end of the battery is electrically connected to the power output end of the power supply, and the power output end of the circuit control board is electrically connected to the power input end of the power supply through the switch.

[0007] Furthermore, the variable light source head includes a light source housing, a light source lens and an LED lamp, the light source lens and the LED lamp are installed on the light source housing, the LED lamp is electrically connected to the power output end of the circuit control board through the switch, and the light emitted by the LED lamp is transmitted outward through the light source lens.

[0008] Furthermore, the light source housing is snap-connected to the flashlight body via a snap-fit ​​connection.

[0009] Furthermore, the variable light source head also includes a lampshade, and the lampshade is installed on the light source housing through a connecting piece.

[0010] Furthermore, the light source housing is a circular or elliptical light source housing.

[0011] Furthermore, the light source housing is a waterproof light source housing, and the waterproof grade of the light source housing exceeds IP56.

[0012] Furthermore, the light source lens includes a convex lens and a concave lens, the size of the convex lens is smaller than that of the concave lens, the convex lens is arranged around the concave lens, and the concave lenses correspond one-to-one to the LED lamps, and the convex lens and the concave lens are formed when observed in the direction of the LED lamp.

[0013] Furthermore, the convex lens is a hemispherical convex lens.

[0014] Furthermore, the concave lens is a hemispherical concave lens.

[0015] Furthermore, the LED lamp comprises at least two LED lamp beads.

[0016] Furthermore, the LED lamp includes a first LED lamp bead and a second LED lamp bead, and the first LED lamp bead and the second LED lamp bead are LED lamp beads with different light emission wavelengths.

[0017] Furthermore, a through hole is provided on the light source housing, and the through hole is used to make way for the second LED lamp bead.

[0018] Furthermore, the power supply is a USB interface external power supply or a hand-cranked self-generating power supply.

[0019] Furthermore, the USB interface external power supply includes a USB interface and a power adapter, the output end of the USB interface is electrically connected to the power input end of the battery, the input end of the USB interface is electrically connected to the output end of the power adapter, and the power adapter is used to plug in an external power source.

[0020] Furthermore, the hand-cranked self-generating power supply includes a hand crank and a generator, the hand crank is connected to the rotor of the generator, the hand crank passes through the flashlight body and extends to the outside of the flashlight body, the hand crank is used to rotate in a circle by hand cranking, thereby driving the rotor of the generator to rotate relative to the stator to generate electricity, and the power output end of the generator is electrically connected to the power input end of the battery.

[0021] Furthermore, an MCU controller is provided on the circuit control board, a power input terminal of the MCU controller is electrically connected to a power output terminal of the battery through the circuit control board, a control terminal of the MCU controller is electrically connected to the switch, and the MCU controller cooperates with the switch to realize switching and dimming operations of the LED lamp.

[0022] Furthermore, the circuit control board includes a main control board and a light board, the main control board and the light board are interconnected (including electrical connection and mechanical connection), the main control board and the light board are arranged vertically to each other, and the MUC controller is arranged on the main control board.

[0023] Furthermore, the button cover is made of silicone material or rubber material.

[0024] Furthermore, the button cover is provided with a raised point, and the raised point is used to increase the anti-slip and buffering effects.

[0025] Beneficial Effects

[0026] The utility model can realize multiple light source changes of the flashlight through the rational design of the flashlight, adopting the flashlight body, button cover, variable light source head, switch, circuit control board, battery and power supply, and can switch and change the light. The light source lens can better change the light to form divergent light that expands the viewing angle or convergent light with concentrated energy. Combined with the battery and power supply, especially the hand-cranked power generation, the utility model will have the advantages of durable use and improved use effect. By using the combination of concave lens and convex lens, and matching with corresponding LED lamp beads, the corresponding light source can be effectively changed. The convex lens can converge the light source to concentrate energy transmission, and the concave lens can diverge the light source to expand the irradiation range, which is more suitable for the variable light use of the flashlight. For example, white light is mainly diffused by the concave lens (looking from the outside to the inside), which can have a larger irradiation range. The red light is mainly converged by the convex lens (looking from the outside to the inside), which enhances the red light energy. The enhanced red light can be used as an indicator light, etc. Among them, the convex lenses are evenly distributed around the concave lens, forming an equal transmission of the light source, etc. The flashlight can be widely used in lighting, emergency rescue and early warning. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The utility model is a schematic structural diagram of a flashlight with a switchable light source.

[0028] Figure 2 The utility model is a schematic diagram of the internal structure of a flashlight with a switchable light source.

[0029] Figure 3 The utility model is a structural schematic diagram of a light source lens of a variable light source head of a flashlight capable of changing the light source.

[0030] Figure 4 The utility model is a schematic diagram of a variable light source head structure of a flashlight capable of changing the light source.

[0031] Figure 5 The utility model is a schematic diagram of a lampshade structure of a light source changeable head of a flashlight capable of changing the light source.

[0032] Figure numbers: 01, flashlight body; 02, button slot; 03, variable light source; 04, button cover; 05, switch; 06, main control board; 07, battery; 08, lamp board; 031, buckle; 032, connector; 033, LED lamp bead; 034, through hole; 035, convex lens; 036, concave lens; 037, lampshade. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] See also Figure 1-Figure 5 As shown, the utility model provides a flashlight with a changeable light source, the flashlight comprising: a flashlight body 01, a key cover 04, a variable light source head 03, a switch 05, a circuit control board, a battery 07 and a power supply, the variable light source head 03 comprising a light source housing, a light source lens and an LED lamp, the variable light source head 03 further comprising a lampshade 037, the variable light source head 03 is selected in an elliptical shape; the flashlight body 01 is selected in an elliptical cylinder shape; the key cover 04 is selected in a silicone material or a rubber material; the circuit control board comprises a main control board 06 and a light board 08;

[0035] The variable light source head 03 is installed on the flashlight body 01, and the variable light source head 03 and the flashlight body 01 form an inner cavity, in which a switch 05, a circuit control board, a battery 07 and a power supply are arranged. The switch 05 is a key-type switch 05, the key end of the switch 05 passes through a side wall of the flashlight body 01 and extends to the outside, the key cover 04 is sleeved on the key end of the switch 05, the switch 05 is electrically connected to the circuit control board, the power output end of the battery 07 is electrically connected to the power input end of the circuit control board, the power input end of the battery 07 is electrically connected to the power output end of the power supply, and the power output end of the circuit control board is electrically connected to the variable light source head 03 through the switch 05; a key slot 02 is provided on the flashlight body 01 and at a position corresponding to the switch 05, and the key slot 02 is used to give way to the key and its operation;

[0036] Specifically, the variable light source head 03 is installed on one end of the flashlight body 01, and a key slot 02 is provided on the flashlight body 01 near the variable light source head 03 and at a position corresponding to the switch 05;

[0037] Among them, a light source lens and an LED lamp are installed on the light source shell on the variable light source head 03, the LED lamp is electrically connected to the light board 08 on the circuit control board, and is electrically connected to the power output end of the main control board 06 on the circuit control board through the switch 05, and the light emitted by the LED lamp is transmitted outward through the light source lens; the variable light source head 03 also includes a lampshade 037, the lampshade 037 is installed on the light source shell through a connector 032, and the lampshade 037 is used to protect the light source lens; the light source shell is snap-connected to the flashlight body 01 through a snap buckle 031; the light source shell is an elliptical light source shell; the light source lens includes a convex lens 035 and a concave lens 036, the convex lens The size of the mirror 035 is smaller than that of the concave lens 036. The convex lens 035 is arranged around the concave lens 036, and the concave lens 036 corresponds to the LED lamp one by one. The convex lens 035 is a hemispherical convex lens, and the concave lens 036 is a hemispherical concave lens. The LED lamp has three LED lamp beads, namely: two first LED lamp beads 033 (white light LED lamp beads) and one second LED lamp bead (red light LED lamp bead). The two first LED lamp beads and the one second LED lamp bead are arranged evenly and in a straight line. The second LED lamp bead is arranged between the two first LED lamp beads and corresponds to the through hole 034 on the light source housing one by one.

[0038] Among them, the power supply selects a USB interface external power supply or a hand-cranked self-generating power supply; such as: the USB interface external power supply includes a USB interface and a power adapter, the output end of the USB interface is electrically connected to the power input end of the battery 07, and the input end of the USB interface is electrically connected to the output end of the power adapter, and the power adapter is used to plug in an external power supply; such as: the hand-cranked self-generating power supply includes a hand crank and a generator, the hand crank is connected to the mover of the generator, the hand crank penetrates the flashlight body 01 and extends to the outside of the flashlight body 01, the hand crank is used to rotate in a circle by hand cranking, thereby driving the mover of the generator to rotate relative to the stator to generate electricity, and the power output end of the generator is electrically connected to the power input end of the battery 07;

[0039] Among them, an MCU controller is provided on the circuit control board, the power input end of the MCU controller is electrically connected to the power output end of the battery through the circuit control board, the control end of the MCU controller is electrically connected to the switch 05, and the cooperation between the MCU controller and the switch 05 realizes the switching and dimming operation of the LED lamp; that is: the MCU controller is arranged on the main control board 06 on the circuit control board, and the main control board 06 and the light board 08 are arranged vertically to each other.

[0040] Specific implementation manner of the utility model: after assembling the flashlight, you can select a USB interface to power the battery, or select a hand-cranked generator to power the battery. After the battery is charged, it will power the MCU controller of the circuit control board. Through the key switch, you can press multiple gears to power on / off the white light LED lamp beads, or power on / off the red light LED lamp beads. The work (lighting) of the white light LED lamp beads and the work (lighting) of the red light LED lamp beads are independent of each other, that is: the white light LED lamp beads are working (lighting), and the red light LED lamp beads are not working (not lighting) at this time, or the red light LED lamp beads are working (lighting), and the white light LED lamp beads are not working (not lighting) at this time, and then the light is transmitted through the light source lens; the work (lighting) of the white light LED lamp beads here is to select the white light constant light state, and the work (lighting) of the red light LED lamp beads is to select the red light flashing state.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flashlight with a variable light source, characterized in that: The flashlight includes: a flashlight body, a button cover, a variable light source, a switch, a circuit control board, a battery and a power supply. The variable light source is installed on the flashlight body, and the variable light source and the flashlight body form an inner cavity. The switch, the circuit control board, the battery and the power supply are arranged in the inner cavity. The switch is a button-type switch. The button end of the switch passes through a side wall of the flashlight body and extends to the outside. The button cover is sleeved on the button end of the switch. The switch is electrically connected to the circuit control board. The power output end of the battery is electrically connected to the power input end of the circuit control board. The power input end of the battery is electrically connected to the power output end of the power supply. The power output end of the circuit control board is electrically connected to the power input end of the power supply. The power output end of the circuit control board is electrically connected to the power input end of the power supply.

2. A flashlight with a switchable light source according to claim 1, characterized in that: The variable light source head includes a light source housing, a light source lens and an LED lamp. The light source lens and the LED lamp are installed on the light source housing. The LED lamp is electrically connected to the power output end of the circuit control board through the switch. The light emitted by the LED lamp is transmitted outward through the light source lens.

3. A flashlight with a switchable light source according to claim 2, characterized in that: The light source lens includes a convex lens and a concave lens. The size of the convex lens is smaller than that of the concave lens. The convex lens is arranged around the concave lens, and the concave lenses correspond to the LED lamps one by one.

4. A flashlight with a switchable light source according to claim 2, characterized in that: The LED lamp comprises at least two LED lamp beads.

5. A flashlight with a switchable light source according to claim 2, characterized in that: The LED lamp comprises a first LED lamp bead and a second LED lamp bead, and the first LED lamp bead and the second LED lamp bead are LED lamp beads with different light emission wavelengths.

6. A flashlight with a switchable light source according to claim 1, characterized in that: The power supply is a USB interface external power supply or a hand-cranked self-generated power supply.

7. A flashlight with a switchable light source according to claim 6, characterized in that: The USB interface external power supply device includes a USB interface and a power adapter, the output end of the USB interface is electrically connected to the power input end of the battery, the input end of the USB interface is electrically connected to the output end of the power adapter, and the power adapter is used to plug in an external power source.

8. A flashlight with a switchable light source according to claim 6, characterized in that: The hand-cranked self-generating power supply includes a hand crank and a generator, the hand crank is connected to the mover of the generator, the hand crank passes through the flashlight body and extends to the outside of the flashlight body, the hand crank is used to rotate in a circle by hand cranking, thereby driving the mover of the generator to rotate relative to the stator to generate electricity, and the power output end of the generator is electrically connected to the power input end of the battery.

9. A flashlight with a switchable light source according to claim 1, characterized in that: The circuit control board is provided with an MCU controller, a power input terminal of the MCU controller is electrically connected to a power output terminal of the battery through the circuit control board, and a control terminal of the MCU controller is electrically connected to the switch.

10. A flashlight with a switchable light source according to claim 1, characterized in that: The key cover is made of silicone or rubber.

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