CN101629676B - Flashlight - Google Patents
Flashlight Download PDFInfo
- Publication number
- CN101629676B CN101629676B CN200810302741XA CN200810302741A CN101629676B CN 101629676 B CN101629676 B CN 101629676B CN 200810302741X A CN200810302741X A CN 200810302741XA CN 200810302741 A CN200810302741 A CN 200810302741A CN 101629676 B CN101629676 B CN 101629676B
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- ring
- electrostriction
- light
- lens
- cylindrical shell
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Abstract
The invention relates to a flashlight, which comprises a barrel and a light source device accommodated in the barrel; the barrel comprises a first end part with a light outlet; the flashlight is also provided with a zooming system which is accommodated in the barrel and positioned between the light source device and the light outlet; the zooming system orderly comprises a first lens, a first electrostrictive ring, a second lens and a second electrostrictive ring from the light outlet to the light source device; the first lens is fixed at a position of the barrel close to the light outlet; the first electrostrictive ring and the second electrostrictive ring clamp the second lens; and the first electrostrictive ring and the second electrostrictive ring can axially stretch along with the up and down of voltage loaded thereon, so that a distance between the first lens and the second lens is changed. In the flashlight, the zooming system is arranged between the light source device and the light outlet to change light outlet angles of light spots generated by the light source device, so that the flashlight can adjust the area sizes and brightness of the light spots.
Description
Technical field
The present invention relates to a kind of electric torch.
Background technology
In the use of electric torch, under certain environment of being everlasting, we need irradiation at short distance, as the books or play cards read, need this moment big and the soft hot spot of light, and under other certain environment, let us need telecurie irradiation, as transmit or when visiting at a distance, need this moment little and hot spot that light is concentrated.Yet present electric torch, usually adopt rotary barrel or protecgulum, luminophor is separated with the focus of para-curve truncated cone-shaped Lamp cup or overlap, make its spot size generation subtle change, it is big and the well-balanced hot spot of light can't satisfy all-environment needs that it is difficult to generate little and bright hot spot and area.
Therefore, be necessary to provide a kind of electric torch, to satisfy the needs of varying environment to electric torch with zoom function.
Summary of the invention
Have in view of that, be necessary to provide a kind of electric torch with zoom function.
A kind of electric torch, it comprises a cylindrical shell, and one is contained in the light supply apparatus of this cylindrical shell, and described cylindrical shell comprises that one is provided with the first end of light-emitting window.Described electric torch also has one and is contained in this cylindrical shell and the zoom system, pancreatic system between described light supply apparatus and light-emitting window.Described zoom system, pancreatic system from light-emitting window to the light supply apparatus direction, comprise first lens successively, the first electrostriction ring, second lens and the second electrostriction ring, described first lens are fixed on the position of cylindrical shell near light-emitting window, and the described first electrostriction ring and the second electrostriction ring are with the second lens clamping.The described first electrostriction ring and the second electrostriction ring can be along with the lifting axial stretchings that loads the voltage on it, thereby change the distance between first lens and second lens.
Compared with prior art, described electric torch adds a zoom system, pancreatic system between light supply apparatus and light-emitting window, and the hot spot that light supply apparatus is produced can change its rising angle.Thereby make described electric torch can adjust the size and the brightness of its facula area.
Description of drawings
The structural representation of the electric torch that Fig. 1 provides for embodiment of the present invention.
Fig. 2 is the circuit diagram of bleeder circuit of the electric torch of Fig. 1.
Fig. 3 is the circuit diagram of the bleeder circuit in the electric torch of Fig. 1 when being electrically connected with power supply, the first electrostriction ring and the second electrostriction ring.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present invention is described in further detail.
See also Fig. 1, a kind of electric torch 100 that embodiment of the present invention provides axially comprises protecgulum 10, one level crossings, 20, one cylindrical shells 30 and a bonnet 40 successively along it.
Described protecgulum 10 is used for described level crossing 20 is fixed on described cylindrical shell 30.This protecgulum 10 has a circular open 11, and this protecgulum 10 extends an annular flange flange 12 away from an end of cylindrical shell 30 along vertical circular open 11 directions, and the diameter of this annular flange flange 12 is less than the diameter of described level crossing 20.
Described level crossing 20 is used for protecting the assembly of cylindrical shell 30 and makes light transmission, and the one end abuts on the described annular flange flange 12, and the other end is carried on the cylindrical shell 30.
Described cylindrical shell 30 has a first end 31 and a second end 32, and described first end 31 links to each other with protecgulum 10, and described the second end 32 links to each other with bonnet 40.This first end 31 is provided with a light-emitting window 311, and light can be penetrated by this light-emitting window 311.In the present embodiment, described first end 31 and described protecgulum 10 are connected by screw-in version, and described the second end 32 also is connected by screw-in version with described bonnet 40.
Described cylindrical shell 30 contains a zoom system, pancreatic system 33, one light supply apparatuses 34 and a power supply 35 from first end 31 successively toward the second end 32 directions, and the outside surface of described cylindrical shell 30 also is provided with a shift knob 36 and a focusing button 37.
Described zoom system, pancreatic system 33 comprises one first lens, 331, one first electrostriction ring 332, one second lens, 333, one second electrostriction rings 334 and microscope bases 335.Wherein, these first lens 331 are the single face convex lens coaxial with light-emitting window 311, and these first lens 331 are fixed on the position of cylindrical shell 30 near light-emitting windows 311, and it has a plane 3311 and a convex surface 3312, and wherein said plane 3311 is near described level crossings 20.These second lens 333 are two-sided convex lens, and it is by the described first electrostriction ring 332 and 334 clampings of the described second electrostriction ring.The described first electrostriction ring 332 is made by the electric field response macromolecular material with the described second electrostriction ring 334, its can along with the lifting of voltage along its axial stretching.In the present embodiment, this electric field response macromolecular material is " artificial-muscle ", as the copper vinyl phosphoric acid.Two end faces of described microscope base 335 are extended with first collar flange 3351 and second collar flange 3352 respectively along its central axis direction, this first collar flange 3351 and second collar flange 3352 are formed a containing groove 3353 with the sidewall of microscope base 335, be used to accommodate the described first electrostriction ring, 332, the second lens 333 and the second electrostriction ring 334.
Described light supply apparatus 34 comprises a lamp socket 341, one para-curve truncated cone-shaped Lamp cups 342, and a luminophor 343.Described lamp socket 341 is fixed on the described cylindrical shell 30, described para-curve truncated cone-shaped Lamp cup 342 be carried on this lamp socket 341 and its opening towards light-emitting window 311, described luminophor 343 is fixed in described lamp socket 341 and stretches in this para-curve truncated cone-shaped Lamp cup 342.Be appreciated that the light that described luminophor 343 sends forms hot spot directive zoom system, pancreatic system 33 after these para-curve truncated cone-shaped Lamp cup 342 reflections are assembled, pass through outside the light-emitting window 311 directive electric torchs 100 behind these hot spot process zoom system, pancreatic system 33 zooms.
Described power supply 35 is between light supply apparatus 34 and bonnet 40, and it is luminous and drive described zoom system, pancreatic system 33 zooms to be used to drive described light supply apparatus 34.
Described shift knob 36 is used to control the conducting of described power supply 35 and light supply apparatus 34 and cut out.
Described focusing button 37 is used to regulate the voltage that distributes on the first electrostriction ring 332 and the second electrostriction ring 334.See also Fig. 2, in the present embodiment, described focusing button 37 interlockings are on this cylindrical shell 30 and be provided with a bleeder circuit 200, and it comprises a swept resistance R1, a fixed resistance R2, an interface a, an interface b and an interface c.Described swept resistance R1 has a slide plate P.Described swept resistance R1 connects with fixed resistance R2 and between interface a and interface b, described interface c is between swept resistance R1 and fixed resistance R2.See also Fig. 3, wherein said interface a and interface b be the both positive and negative polarity of energized 35 respectively, and the described first electrostriction ring 332 is connected between interface a and the interface c, and the described second electrostriction ring 334 is connected between interface c and the interface b.As can be seen from Figure 3, the voltage sum that is carried on the described first electrostriction ring 332 and the second electrostriction ring 334 is constant, but the component voltage on each electrostriction ring is regulated by slide plate P.In the present embodiment, described slide plate P is regulated by this focusing button 37.Therefore, when regulating described focusing button 37, described slide plate P is moved the operating resistance that makes swept resistance R1 to be increased, when promptly being carried in the voltage increase on the described first electrostriction ring 332, the first electrostriction ring 332 is along its axial expansion, and the voltage correspondence that is carried on the described second electrostriction ring 334 reduces, the second electrostriction ring 334 is along its axial shrinkage, thereby second lens 333 that are clamped between the described first electrostriction ring 332 and the second electrostriction ring 334 are moved axially, change the distance between second lens 333 and first lens 331, realize zoom.Be appreciated that, the circuit of the described first electrostriction ring 332 and the second electrostriction ring 334 is not limited thereto, as long as can realize regulating the voltage on the described first electrostriction ring 332 and the second electrostriction ring 334, and make both constant circuit of voltage sum all can be used for the present invention.
Compared with prior art, described electric torch adds a zoom system, pancreatic system between light supply apparatus and light-emitting window, and the hot spot that light supply apparatus is produced can change its rising angle.Thereby make described electric torch can adjust the size and the brightness of its facula area.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change the protection domain that all should belong to claim of the present invention with distortion.
Claims (6)
1. electric torch, it comprises that a cylindrical shell and is contained in the light supply apparatus of this cylindrical shell, described cylindrical shell comprises that one is provided with the first end of light-emitting window, it is characterized in that, described electric torch also has one and is contained in this cylindrical shell and the zoom system, pancreatic system between described light supply apparatus and light-emitting window, described zoom system, pancreatic system from light-emitting window to the light supply apparatus direction, comprise first lens successively, the first electrostriction ring, second lens and the second electrostriction ring, described first lens are fixed on the position of cylindrical shell near light-emitting window, the described first electrostriction ring and the second electrostriction ring are with the second lens clamping, the described first electrostriction ring and the second electrostriction ring can be along with the lifting axial stretchings that loads the voltage on it, thereby change the distance between first lens and second lens, the described first electrostriction ring and the second electrostriction ring are made by the electric field response macromolecular material.
2. electric torch as claimed in claim 1 is characterized in that, described electric field response macromolecular material is the copper vinyl phosphoric acid.
3. electric torch as claimed in claim 1, it is characterized in that, described zoom system, pancreatic system also comprises a microscope base, two end faces of described microscope base are extended with first collar flange and second collar flange respectively along its central axis direction, the sidewall of this first collar flange and second collar flange and microscope base is formed a containing groove, be used to accommodate the described first electrostriction ring, second lens and the second electrostriction ring.
4. electric torch as claimed in claim 1, it is characterized in that, described light supply apparatus comprises that one is fixed on the lamp socket of described cylindrical shell, one opening is towards the para-curve truncated cone-shaped Lamp cup of light-emitting window, described para-curve truncated cone-shaped Lamp cup is carried on the lamp socket, and one is fixed on the lamp socket and stretches into the luminophor of described para-curve truncated cone-shaped Lamp cup.
5. electric torch as claimed in claim 1; it is characterized in that; described electric torch comprises that also a protecgulum and that is connected first end is clamped in the level crossing between described protecgulum and the cylindrical shell; described level crossing is used for protecting the assembly of described cylindrical shell and makes light transmission; described protecgulum has a circular open coaxial with light-emitting window; described protecgulum extends an annular flange flange away from an end of cylindrical shell along vertical circular open direction, and the diameter of this annular flange flange is less than the diameter of described level crossing.
6. electric torch as claimed in claim 1, it is characterized in that, the outside surface of described cylindrical shell also is provided with a shift knob and a focusing button, described shift knob is used for connecting and cutting out described light supply apparatus, and described focusing button is used for Control Allocation to the voltage on the described first electrostriction ring and the second electrostriction ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810302741XA CN101629676B (en) | 2008-07-15 | 2008-07-15 | Flashlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810302741XA CN101629676B (en) | 2008-07-15 | 2008-07-15 | Flashlight |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101629676A CN101629676A (en) | 2010-01-20 |
| CN101629676B true CN101629676B (en) | 2011-11-09 |
Family
ID=41574892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810302741XA Expired - Fee Related CN101629676B (en) | 2008-07-15 | 2008-07-15 | Flashlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101629676B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103173853A (en) * | 2013-03-14 | 2013-06-26 | 中山兆龙光电科技有限公司 | Thermal field centralized positioning device of single crystal furnace for growing large sapphires through kyropoulos method |
| CN106090683A (en) * | 2016-06-27 | 2016-11-09 | 温州倬屹科技有限公司 | Hand-held signal lights and light source front cover component |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2754266Y (en) * | 2004-12-17 | 2006-01-25 | 东南大学 | Electrostrictive device |
| CN1839487A (en) * | 2003-08-21 | 2006-09-27 | 日本碍子株式会社 | Piezoelectric/electrostrictive device |
| CN101182202A (en) * | 2006-11-15 | 2008-05-21 | 日本碍子株式会社 | Piezoelectric/electrostrictive material, piezoelectric/electrostrictive body, and piezoelectric/electrostrictive element |
| CN101196600A (en) * | 2006-12-08 | 2008-06-11 | 鸿富锦精密工业（深圳）有限公司 | Lens module and digital camera with automatic focusing function |
| CN101206301A (en) * | 2006-12-22 | 2008-06-25 | 鸿富锦精密工业（深圳）有限公司 | Zooming lens module group |
-
2008
- 2008-07-15 CN CN200810302741XA patent/CN101629676B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1839487A (en) * | 2003-08-21 | 2006-09-27 | 日本碍子株式会社 | Piezoelectric/electrostrictive device |
| CN2754266Y (en) * | 2004-12-17 | 2006-01-25 | 东南大学 | Electrostrictive device |
| CN101182202A (en) * | 2006-11-15 | 2008-05-21 | 日本碍子株式会社 | Piezoelectric/electrostrictive material, piezoelectric/electrostrictive body, and piezoelectric/electrostrictive element |
| CN101196600A (en) * | 2006-12-08 | 2008-06-11 | 鸿富锦精密工业（深圳）有限公司 | Lens module and digital camera with automatic focusing function |
| CN101206301A (en) * | 2006-12-22 | 2008-06-25 | 鸿富锦精密工业（深圳）有限公司 | Zooming lens module group |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101629676A (en) | 2010-01-20 |
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Granted publication date: 20111109 Termination date: 20160715 |
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