CN202901860U - Light-emitting diode (LED) flashlight - Google Patents

Light-emitting diode (LED) flashlight Download PDF

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Publication number
CN202901860U
CN202901860U CN2012205730740U CN201220573074U CN202901860U CN 202901860 U CN202901860 U CN 202901860U CN 2012205730740 U CN2012205730740 U CN 2012205730740U CN 201220573074 U CN201220573074 U CN 201220573074U CN 202901860 U CN202901860 U CN 202901860U
Authority
CN
China
Prior art keywords
led
flashlight
light
handle
bulb
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012205730740U
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Chinese (zh)
Inventor
恽煌飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANGZHOU KAIYU TOOLS Co Ltd
Original Assignee
CHANGZHOU KAIYU TOOLS Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHANGZHOU KAIYU TOOLS Co Ltd filed Critical CHANGZHOU KAIYU TOOLS Co Ltd
Priority to CN2012205730740U priority Critical patent/CN202901860U/en
Application granted granted Critical
Publication of CN202901860U publication Critical patent/CN202901860U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to portable lighting equipment, in particular to a light-emitting diode (LED) flashlight. The LED flashlight comprises a switch, LED lamps, a reflector, a handle and a transparent cover. A plurality of LED lamps are arranged at the front end of the handle and the focuses of the reflector. Each LED lamp is connected with a power supply in the handle in a multiple mode. A center of the transparent cover is provided with a concave lens which matches with the LED lamps and utilizes light path reversibility, and a plurality of convex lenses are distributed around the concave lens. Due to the structure, the LED flashlight is high in light beam intensity and good in light condensation capacity.

Description

The LED flashlight
Technical field
The utility model relates to a kind of Portable hand lighting apparatus, and particularly a kind of bulb adopts the torch of LED lamp.
Background technology
At home, often will use flashlight in workplace and the entertainment place, perhaps need flashlight with for subsequent use.Common flashlight generally includes the body and the cylinder that is used for holding battery that include easy crisp incandescent lamp.Switch is installed on the cylinder usually, is used for connecting the circuit between battery and the bulb.In the body parabolic lens or parabolic type reflector are arranged, the filament of bulb is arranged in the focus of minute surface.Its shortcoming is that lamplight brightness is not high enough, and power consumption is large, and battery runs low very much, and battery is discharged rear easy corrosion.
Along with the development of technology, volume is little, the LED light emitting diode of power consumptive province produces; Compare with incandescent lamp, the advantage of LED flashlight is that the life-span of lamp and battery is generally longer, and this is because their power consumption and running temperature are all lower to a great extent.But, generally speaking, the beam intensity of LED flashlight is lower than the beam intensity of ordinary incandescent lamp flashlight.Wide and the out-focus of the light beam that typical LED flashlight produces, perhaps the center is the higher little luminous point of intensity, and is hot spot wide and that intensity is lower on every side.
Summary of the invention
It is high that the utility model technical issues that need to address provide beam intensity, the LED flashlight that the optically focused performance is good.
For solving above-mentioned technical problem, LED flashlight of the present utility model comprises switch, LED lamp, reflective mirror, handle and translucent cover, and a plurality of LED lamps are arranged on the handle front end, the focus of reflective mirror; The mode of each LED lamp by parallel connection is connected on the power supply in the handle; There are concavees lens that utilize reversibility of optical path that adapt with the LED lamp at the center of described translucent cover, and a plurality of convex lens distribute around concavees lens.
After adopting said structure, the brightness meeting that a plurality of LED lamps produce is significantly strengthened, but light-gathering can be bad, because there are concavees lens that utilize reversibility of optical path that adapt with the LED lamp at the center of translucent cover, a plurality of convex lens distribute around concavees lens; The LED bulb is penetrated rearward light by the reflective mirror reflection forwards like this, the light at center, LED bulb directive the place ahead is because the invertibity of light is passed through the parallel ejaculation of concavees lens, and the light around LED bulb directive the place ahead is by the parallel forwards ejaculation of convex lens simultaneously.So the optically focused performance of LED flashlight is significantly improved, the beam intensity that the LED flashlight produces is higher, has remedied the low shortcoming of LED flashlight beam intensity, so that the application of LED flashlight is more extensive.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model LED flashlight.
Fig. 2 is the distribution schematic diagram of lens on the LED bulb of the utility model LED flashlight and the translucent cover.
Fig. 3 is the distribution schematic diagram of the LED bulb integral body of the utility model LED flashlight.
Fig. 4 is the light path schematic diagram of the plano-concave lens of the utility model LED flashlight.
Among the figure: 1 is switch, and 2 is the LED lamp, and 3 is reflective mirror, and 4 is handle, and 5 is translucent cover, and 6 is plano-concave lens, and 7 is planoconvex spotlight
The specific embodiment
LED flashlight as depicted in figs. 1 and 2 comprises switch 1, LED lamp 2, reflective mirror 3, handle 4 and translucent cover 5, and a plurality of LED lamps are arranged on the handle front end, the focus of reflective mirror; The mode of each LED lamp by parallel connection is connected on the power supply in the handle; Having like this a LED bulb to break down can not affect the work of gas LED bulb, and whole performance can not be subjected to very large impact, and the bulb that breaks down can be changed, and is just as excellent as before.There are concavees lens that utilize reversibility of optical path that adapt with the LED lamp at the center of described translucent cover, and a plurality of convex lens distribute around concavees lens.
As shown in Figure 2, described concavees lens are plano-concave lens 6, convex lens are planoconvex spotlight 7, the LED bulb is penetrated rearward light by reflective mirror 3 reflections forwards like this, the light at center, LED bulb directive the place ahead since the invertibity of light by the parallel ejaculation of plano-concave lens 6, simultaneously the light around LED bulb directive the place ahead has so just reached the purpose of optically focused by the parallel forwards ejaculation of planoconvex spotlight 7, makes the light-gathering of LED flashlight better.
The LED bulb is distributed as the center that a LED bulb is arranged on flashlight as shown in Figure 3, remaining LED bulb is arranged on the peripheral circumferential of central bulb, the LED bulb of peripheral circumferential evenly distributes, like this so that the optically focused performance of LED bulb is better, if the LED bulb is not even distribution, light is just more mixed like this, and light just can not good parallel ejaculation, is unfavorable for the optically focused of LED flashlight.
Plano-concave lens 6 as shown in Figure 4, if there is the parallel rays of incident in its left side, because the disperse function of concavees lens, the light that penetrates on its right side exhales.According to the invertibity of light path, after the light of injecting along its right side divergent rays so passes through plano-concave lens 6, will form parallel ejaculation light in its left side.Just form like this light of parallel outgoing at the center of whole LED flashlight, reached good spotlight effect.

Claims (3)

1. a LED flashlight comprises switch, LED lamp, reflective mirror, handle and translucent cover, it is characterized in that: a plurality of LED lamps are arranged on the handle front end, the focus of reflective mirror; The mode of each LED lamp by parallel connection is connected on the power supply in the handle; There are concavees lens that utilize reversibility of optical path that adapt with the LED lamp at the center of described translucent cover, and a plurality of convex lens distribute around concavees lens.
2. according to LED flashlight claimed in claim 1, it is characterized in that: described concavees lens are plano-concave lens, and convex lens are planoconvex spotlight.
3. according to LED flashlight claimed in claim 1, it is characterized in that: described LED bulb be distributed as the center that a LED bulb is arranged on flashlight, remaining LED bulb is arranged on the peripheral circumferential of central bulb, the LED bulb of peripheral circumferential evenly distributes.
CN2012205730740U 2012-10-31 2012-10-31 Light-emitting diode (LED) flashlight Expired - Fee Related CN202901860U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012205730740U CN202901860U (en) 2012-10-31 2012-10-31 Light-emitting diode (LED) flashlight

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012205730740U CN202901860U (en) 2012-10-31 2012-10-31 Light-emitting diode (LED) flashlight

Publications (1)

Publication Number Publication Date
CN202901860U true CN202901860U (en) 2013-04-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012205730740U Expired - Fee Related CN202901860U (en) 2012-10-31 2012-10-31 Light-emitting diode (LED) flashlight

Country Status (1)

Country Link
CN (1) CN202901860U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102927452A (en) * 2012-10-31 2013-02-13 常州市凯宇工具有限公司 Light-emitting diode (LED) flashlight

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102927452A (en) * 2012-10-31 2013-02-13 常州市凯宇工具有限公司 Light-emitting diode (LED) flashlight

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130424

Termination date: 20131031

C17 Cessation of patent right