CN109143726A - A kind of varifocal light-feeding instrument - Google Patents
A kind of varifocal light-feeding instrument Download PDFInfo
- Publication number
- CN109143726A CN109143726A CN201811134890.XA CN201811134890A CN109143726A CN 109143726 A CN109143726 A CN 109143726A CN 201811134890 A CN201811134890 A CN 201811134890A CN 109143726 A CN109143726 A CN 109143726A
- Authority
- CN
- China
- Prior art keywords
- lens
- lens set
- lamp plate
- light
- driving unit
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
Abstract
The present invention relates to a kind of varifocal light-feeding instruments, comprising: matrix；Set on the intracorporal zoom lens of base comprising lens barrel is fixed on the first lens set of lens barrel front end, is fixed on the third lens set of lens barrel end, the second lens set and driving unit between the first lens set and third lens set；Set on the intracorporal lamp plate of base, lamp plate is set to the rear end of third lens set, and the light that lamp plate is projected successively penetrates the third lens set, the second lens set, the first lens set；Set on the intracorporal control mainboard of base；Wherein, the lamp plate, driving unit are electrically connected with control mainboard respectively；Second lens set is slidably connected to lens barrel；The driving unit drives the second lens set to move between the first lens set and third lens set, so that the light zoom that lamp plate is projected.Movement of second lens set in lens barrel is driven by driving unit, changes the output angle of light source, and then carry out light filling, and be able to achieve continuous vari-focus.
Description
Technical field
The present invention relates to a kind of varifocal light-feeding instruments.
Background technique
Currently, infrared light-feeding instrument in the market mostly uses greatly fixed focusing microscope group, when light filling, is unable to zoom, and has
The light-feeding instrument of zoom function is at high cost.
Summary of the invention
Place in order to overcome the above-mentioned deficiencies of the prior art, the object of the present invention is to provide a kind of varifocal light-feeding instruments.
The technical scheme is that
A kind of varifocal light-feeding instrument, comprising: matrix；Set on the intracorporal zoom lens of base comprising lens barrel is fixed on mirror
First lens set of cylinder front end, is fixed on the third lens set of lens barrel end, is set between the first lens set and third lens set
The second lens set and driving unit；Set on the intracorporal lamp plate of base, lamp plate is set to the rear end of third lens set, and lamp plate is projected
Light successively penetrate the third lens set, the second lens set, the first lens set；Set on the intracorporal control mainboard of base；Wherein,
The lamp plate, driving unit are electrically connected with control mainboard respectively；Second lens set is slidably connected to lens barrel；The driving is single
The second lens set of member driving moves between the first lens set and third lens set, so that the light zoom that lamp plate is projected.
Its further technical solution are as follows: the driving unit includes motor and screw rod；The lens barrel is axially arranged with cunning
Slot；The both ends of the lead screw are rotationally connected with lens barrel respectively, and lead screw is located at the side of sliding slot；Second lens set, which is equipped with, to be slided
The dynamic slide unit for being connected to sliding slot；The slide unit is connect with screw rod transmission；The motor driven screw rod rotation, so that slide unit is along sliding
Slot is mobile.
Its further technical solution are as follows: second lens set further includes the torsional spring for being fixed on slide unit；The head of the torsional spring
End is only butted on slide unit, and end is only butted in the thread groove of screw rod.
Its further technical solution are as follows: first lens set is equipped with the first biconvex lens；Second lens set is equipped with
Concave-convex lens；The third lens set is equipped with biconcave lens.
Its further technical solution are as follows: the varifocal light-feeding instrument further includes the radiator for lamp plate heat dissipation；It is described
Lamp plate is fixed on lens barrel；The radiator is set to the rear side of lamp plate.
Its further technical solution are as follows: the lamp plate is VCSEL lamp plate.
Its further technical solution are as follows: the varifocal light-feeding instrument further includes being set to the intracorporal power supply module of base, and use
In the button assembly of control driving unit；The power supply module, button assembly are electrically connected with control mainboard respectively.
Its further technical solution are as follows: the varifocal light-feeding instrument further includes receiving antenna, communicates and connects with receiving antenna
The wireless controller and power supply line connect；The receiving antenna, power supply line are electrically connected with control mainboard respectively.
Its further technical solution are as follows: described matrix includes front housing, and the rear shell being threadedly coupled with front housing is fixed on rear shell
Rear cover decorative panel, glass lens, case ring；The zoom lens is fixed on rear shell；The glass lens, case ring are set to front housing
Between zoom lens；The case ring pressed glass eyeglass is in front housing；The lamp plate, control mainboard are set to rear shell.
The present invention compared with prior art have the technical effect that a kind of varifocal light-feeding instrument, be provided with zoom in matrix
Camera lens is provided with the first, second, third lens set in zoom lens, drives the second lens set in lens barrel by driving unit
Movement, change the output angle of light source, and then carry out light filling.
Further, driving unit is sequentially connected using screw rod and torsional spring, so that the second lens set of driving is mobile, it can be achieved that even
It is continuous to adjust, and its is at low cost.
Further, the process control VCSEL light source and camera lens synchronous zoom built in control mainboard can be used, and obtain
To clearly image.
The invention will be further described in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is a kind of decomposition view of varifocal light-feeding instrument first embodiment of the present invention；
Fig. 2 is a kind of decomposition view of varifocal light-feeding instrument second embodiment of the present invention；
Fig. 3 is the first cross-sectional view of zoom lens；
Fig. 4 is the second cross-sectional view of zoom lens.
Appended drawing reference
1 matrix, 11 front housing
12 rear shell, 13 rear cover decorative panel
2 zoom lens, 21 lens barrel
211 sliding slot, 22 driving unit
221 motor, 222 screw rod
23 first lens set, 24 third lens set
25 second lens set, 251 slide unit
3 lamp plate, 4 control mainboard
5 radiator, 6 power supply module
61 battery, 62 battery compartment
7 button assembly, 8 receiving antenna
Specific embodiment
It is further to technical solution of the present invention below with reference to schematic diagram in order to more fully understand technology contents of the invention
It introduces and illustrates, but not limited to this.
A kind of varifocal light-feeding instrument, comprising: matrix is set to the intracorporal zoom lens of base, is set to the intracorporal lamp plate of base, if
In the intracorporal control mainboard of base.Zoom lens includes lens barrel, is fixed on the first lens set of lens barrel front end, is fixed on lens barrel end
Third lens set, the second lens set and driving unit between the first lens set and third lens set.Lamp plate is set to the
The rear end of three lens sets, the light that lamp plate is projected successively penetrate third lens set, the second lens set, the first lens set.Lamp plate,
Driving unit is electrically connected with control mainboard respectively, and the second lens set is slidably connected to lens barrel.Driving unit drives the second lens set
It is moved between the first lens set and third lens set, so that the light zoom that lamp plate is projected.
As shown in Figure 1, a kind of varifocal light-feeding instrument, comprising: matrix 1, the zoom lens 2 in matrix 1 are set to base
Lamp plate 3 in body 1, the control mainboard 4 in matrix 1, zoom lens 2 include lens barrel 21, driving unit 22.
Preferably, varifocal light-feeding instrument further includes the radiator 5 to radiate for lamp plate 3, and lamp plate 3 is fixed on lens barrel 21,
Radiator 5 is set to the rear side of lamp plate 3.Specifically, the smooth rear side in lamp plate 3 of radiator 5.
Preferably, lamp plate 3 is VCSEL lamp plate, is mainly used for the light filling of infrared equipment, and in the specific implementation, lamp plate 3 can
To be needed according to specific using other light sources.
Preferably, varifocal light-feeding instrument further includes receiving antenna, the wireless controller with receiving antenna communication connection, and
Power supply line.Receiving antenna, power supply line are electrically connected with control mainboard 4 respectively, and when use can be used wireless controller and carry out control change
It is burnt.Specifically, settable mounting base is mainly arranged on vehicle for installing varifocal light-feeding instrument.
Preferably, matrix 1 includes front housing 11, and the rear shell 12 being threadedly coupled with front housing 11 is fixed on the rear cover dress of rear shell 12
Plaque 13, glass lens, case ring.Zoom lens 2 is fixed on rear shell 12, and glass lens, case ring are set to front housing 11 and zoom
Between camera lens 2, case ring pressed glass eyeglass is in preceding, and 11, lamp plate 3, control mainboard 4 are set to 12 receiving antenna 8 of rear shell, power supply line
It is installed on rear cover decorative panel 13.
As shown in Fig. 2, the difference of second embodiment and first embodiment is, second embodiment is handheld device, can
The light-feeding instrument of zoom further includes the power supply module 6 in matrix 1, and the button assembly 7 for controlling driving unit 22, power supply
Component 6, button assembly 7 are electrically connected with control mainboard 4 respectively.
Preferably, power supply module 6 includes rechargeable battery 61, is filled for installing the battery compartment 62 of battery, and for battery
The charging interface and charging cable of electricity.
Preferably, button assembly 7 includes keypad, fixed plate, key.Keypad is electrically connected with control mainboard 4, needs to adjust
Jiao Shi, presses corresponding key just and can control driving unit 22 and be adjusted.
As shown in figure 3, zoom lens 2 includes lens barrel 21, it is fixed on the first lens set 23 of 21 front end of lens barrel, is fixed on mirror
The third lens set 24 of 21 ends of cylinder, the second lens set 25 between the first lens set 23 and third lens set 24, and drive
Moving cell 22.Wherein, the first lens set 23 is equipped with the first biconvex lens, and the second lens set 25 is equipped with concave-convex lens, third eyeglass
Group 24 is equipped with biconcave lens, and the second lens set 25 is slidably connected to lens barrel 21.
As shown in figure 4, driving unit 22 includes motor 221 and screw rod 222.Lens barrel 21 is axially arranged with sliding slot 211, silk
The both ends of thick stick are rotationally connected with lens barrel 21 respectively, and lead screw is located at the side of sliding slot 211.Second lens set 25 is equipped with and is slidably connected
In the slide unit 251 of sliding slot 211, slide unit 251 and screw rod 222 are sequentially connected, and motor 221 drives screw rod 222 to rotate, so that slide unit
251 211 movements along the chute.
Preferably, the second lens set 25 further includes the torsional spring for being fixed on slide unit 251, and the head end of torsional spring is only butted on slide unit 251,
Its end is only butted in the thread groove of screw rod 222.Since the end of torsional spring is only butted in the thread groove of screw rod 222, motor
When 221 driving screw rods 222 rotate, screw rod 222 can push torsional spring mobile, and then drive slide unit 251 mobile, therefore, the first eyeglass
The distance between the 23, second lens set 25 of group, third lens set 24 can also change, so that the light that lamp plate 3 is projected
Line zoom.Due to the thread groove of screw rod 222 be it is continuous, driving unit 22 drives the movement of the second lens set 25 to be also
Continuously, the zoom of zoom lens 2 is also continuous, controllable, also, the cost of driving unit 22 is relatively low.
In other embodiments, the internal thread structure connecting with screw rod transmission can also be used in slide unit.
In other embodiments, driving unit can also using other kinds of drive, e.g., linear motor, belt transmission,
Cylinder.Wherein, when being driven using belt, slide unit is fixed on belt, is rotated by motor driven belts wheel.
In other embodiments, the first lens set, the second lens set, third lens set can be arranged one according to the actual situation
Block or two pieces, muti-piece eyeglass.
It is above-mentioned that technology contents of the invention are only further illustrated with embodiment, in order to which reader is easier to understand, but not
It represents embodiments of the present invention and is only limitted to this, any technology done according to the present invention extends or recreation, by of the invention
Protection, protection scope of the present invention are subject to claims.
Claims (9)
1. a kind of varifocal light-feeding instrument characterized by comprising
Matrix；
Set on the intracorporal zoom lens of base comprising lens barrel is fixed on the first lens set of lens barrel front end, is fixed on lens barrel end
Third lens set, the second lens set and driving unit between the first lens set and third lens set；
Set on the intracorporal lamp plate of base, lamp plate is set to the rear end of third lens set, and the light that lamp plate is projected successively penetrates described the
Three lens sets, the second lens set, the first lens set；
Set on the intracorporal control mainboard of base；
Wherein, the lamp plate, driving unit are electrically connected with control mainboard respectively；Second lens set is slidably connected to lens barrel；
The driving unit drives the second lens set to move between the first lens set and third lens set, so that lamp plate was projected
Light zoom.
2. the LED downlight of replaceable lampshade according to claim 1, which is characterized in that the driving unit includes motor,
And screw rod；The lens barrel is axially arranged with sliding slot；The both ends of the lead screw are rotationally connected with lens barrel respectively, and lead screw is located at sliding slot
Side；Second lens set is equipped with the slide unit for being slidably connected to sliding slot；The slide unit is connect with screw rod transmission；The motor
Screw rod rotation is driven, so that slide unit moves along the chute.
3. the LED downlight of replaceable lampshade according to claim 2, which is characterized in that second lens set further includes
It is fixed on the torsional spring of slide unit；The head end of the torsional spring is only butted on slide unit, and end is only butted in the thread groove of screw rod.
4. the LED downlight of replaceable lampshade according to claim 1, which is characterized in that first lens set is equipped with the
One biconvex lens；Second lens set is equipped with concave-convex lens；The third lens set is equipped with biconcave lens.
5. the LED downlight of replaceable lampshade according to claim 1, which is characterized in that the varifocal light-feeding instrument is also
Including the radiator to radiate for lamp plate；The lamp plate is fixed on lens barrel；The radiator is set to the rear side of lamp plate.
6. the LED downlight of replaceable lampshade according to claim 1 or 5, which is characterized in that the lamp plate is VCSEL lamp
Plate.
7. the LED downlight of replaceable lampshade according to claim 1, which is characterized in that the varifocal light-feeding instrument is also
Including being set to the intracorporal power supply module of base, and the button assembly for controlling driving unit；The power supply module, button assembly point
It is not electrically connected with control mainboard.
8. the LED downlight of replaceable lampshade according to claim 1, which is characterized in that the varifocal light-feeding instrument is also
Including receiving antenna, wireless controller and power supply line with receiving antenna communication connection；The receiving antenna, power supply line difference
It is electrically connected with control mainboard.
9. the LED downlight of replaceable lampshade according to claim 1, which is characterized in that described matrix includes front housing, and preceding
The rear shell that shell is threadedly coupled, is fixed on the rear cover decorative panel of rear shell, glass lens, case ring；After the zoom lens is fixed on
Shell；The glass lens, case ring are set between front housing and zoom lens；The case ring pressed glass eyeglass is in front housing；Institute
State lamp plate, control mainboard is set to rear shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811134890.XA CN109143726A (en) | 2018-09-28 | 2018-09-28 | A kind of varifocal light-feeding instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811134890.XA CN109143726A (en) | 2018-09-28 | 2018-09-28 | A kind of varifocal light-feeding instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109143726A true CN109143726A (en) | 2019-01-04 |
Family
ID=64813082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811134890.XA Pending CN109143726A (en) | 2018-09-28 | 2018-09-28 | A kind of varifocal light-feeding instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109143726A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113296331A (en) * | 2021-07-27 | 2021-08-24 | 深圳市正光影像器材有限公司 | LED automatic electric focusing photographing spotlight and method thereof |
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Application publication date: 20190104 |