CN207623609U - Imaging lens module, imaging lens and talking pen - Google Patents
Imaging lens module, imaging lens and talking pen Download PDFInfo
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- CN207623609U CN207623609U CN201721898925.8U CN201721898925U CN207623609U CN 207623609 U CN207623609 U CN 207623609U CN 201721898925 U CN201721898925 U CN 201721898925U CN 207623609 U CN207623609 U CN 207623609U
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- lens
- imaging lens
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- lens module
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Abstract
The utility model discloses a kind of imaging lens modules, including lens barrel, anti-dazzling screen, the first lens and optical filter, the anti-dazzling screen, the first lens and optical filter are set in lens barrel, the lens barrel is equipped with antetheca, the antetheca is equipped with entrance aperture, the anti-dazzling screen is equipped with light hole, and a diameter of d of the light hole meets 0.1mm<d<0.62mm, barrel outside diameters D≤the 5mm, the anti-dazzling screen is close to the antetheca of lens barrel, entrance aperture on the antetheca is aligned with the light hole on anti-dazzling screen, first lens are set between anti-dazzling screen and optical filter, the object side of first lens is convex surface, and the image side surface of first lens is concave surface.Imaging lens module provided by the utility model has good shooting effect under the state of angle of inclination.A kind of imaging lens and talking pen is also disclosed in the utility model.
Description
Technical field
The utility model is related to a kind of imaging lens modules, specifically, being related to a kind of imaging lens head mould read for point
Group, imaging lens and talking pen.
Background technology
With the infiltration of informationization technology, internet science and technology is combined increasingly closer with education sector.In present information
Society, internet have the characteristics that efficient, quick and easy propagation, are played in the studying and living of students in middle and primary schools more next
More important role.In particular, universal and data cloud the application of mobile intelligent terminal, more and more e-education resources are put
It stores beyond the clouds, is passed through APP application software interactive learning on intelligent terminal.However, it is this kind of operate in intelligent mobile terminal or
The usage scenario of application software on person's computer has a larger limitation, and many places such as primary school, high medium does not allow middle school
Using intelligent terminals such as mobile phone, computers, developing, there is cloud intelligence, point reading, re-reading, with reading, recording than reciprocity function point to read intelligence
Energy terminal becomes very necessary, and intelligent point-reading pen comes into being therewith.
Using the high-tech product of optical image recognition technology when intelligent point-reading pen, it on common printed reading matter by printing
Stealthy dot matrix Quick Response Code is brushed, the dot matrix Quick Response Code that the stealth is then read by reading matter obtains object ID, passes through matching
ID responds corresponding learning Content, these contents can in real time be downloaded to by mobile network in the storage unit of talking pen.
Intelligent point-reading pen learns that by putting to that, and where point reads mode where, in conjunction with the learning method for hearing reading, improves
The learning interest of child stimulates the exploitation of right brain, allows learner in happy middle study, improves child's learning interest, enhancing is absorbed in
Power forms good learning life custom.
The single area of dot matrix Quick Response Code is generally less than 2mm*2mm, in order to improve decoding speed and reduce the bit error rate, needs
Ensure to have in a reading scope it is as much as possible be identified code, therefore put and read shooting area and need big as possible but excessive bat
The size that area necessarily increases talking pen head is taken the photograph, is unfavorable for front end and holds to take.Current relatively conventional common read-write pen, typically greatly
Big head, and vertical printed reading material surface is needed, it is inconvenient.In view of the facility of actual use and everyone hold are taken
Gesture is different, and read-write anterior end of pen will be small as possible and adapts to difference and hold normal photographing and can quickly be solved by posture
Code.
Utility model content
The purpose of this utility model is to provide a kind of imaging lens modules, have good bat under the state of angle of inclination
Take the photograph effect.
Technical solution disclosed by the utility model is：A kind of imaging lens module, including lens barrel, anti-dazzling screen, the first lens
And optical filter, the anti-dazzling screen, the first lens and optical filter are set in lens barrel, the lens barrel is equipped with antetheca, is set on the antetheca
There are entrance aperture, the anti-dazzling screen to be equipped with light hole, a diameter of d of the light hole meets 0.1mm<d<0.62mm, it is described
Barrel outside diameters D≤5mm, the anti-dazzling screen are close to the antetheca of lens barrel, the light hole in entrance aperture and anti-dazzling screen on the antetheca
Alignment, first lens are set between anti-dazzling screen and optical filter, and the object side of first lens is convex surface, and described first thoroughly
The image side surface of mirror is concave surface.
Preferably, first lens are at least aspherical on one side.
Preferably, the focal length of the imaging lens module is f, meets 0.5mm<f<6mm.
Preferably, the field angle FOV of the imaging lens module meets the following conditions, 8 °<FOV<45°.
Preferably, the entrance aperture is cone, and the aperture that the entrance aperture is located at lens barrel outer surface is more than position
In the aperture of lens barrel inner surface.
Preferably, the imaging lens module further includes the second lens, and second lens are set to the first lens
Between optical filter, the object side of second lens is concave surface.
Preferably, the first distance piece, first distance piece are equipped between first lens and the second lens
It is equipped with first through hole, the second distance piece is equipped between second lens and optical filter, second distance piece is equipped with the
Two through-holes.
Preferably, the imaging lens module further includes protective glass, and the one end of the lens barrel far from antetheca is set
There are concave station, the protective glass to be set in the concave station of lens barrel.
The advantageous effect of imaging lens module disclosed by the utility model is：0.1mm<d<0.62mm, if diameter d is too small,
It is very little then to enter light quantity, light filling light requires higher, can increase the power consumption of electronic device such as talking pen, diameter d is excessive, then aperture mistake
Greatly, Depth of field is too short, is unfavorable for shooting effect under big angle of inclination state, influences reading decoding efficiency and speed, increases system
The complexity of system is unfavorable for producing, and barrel outside diameters D≤5mm, preferably more than 4mm contribute to size miniaturization.
Description of the drawings
Fig. 1 is the assembling structure schematic diagram of the utility model imaging lens first embodiment；
Fig. 2 is the configuration schematic diagram of the utility model imaging lens first embodiment；
Fig. 3 is the assembling structure schematic diagram of the utility model imaging lens second embodiment；
Fig. 4 is the configuration schematic diagram of the utility model imaging lens second embodiment.
Specific implementation mode
The utility model is further elaborated and is illustrated with reference to specific embodiment and Figure of description：
Embodiment one：It please refers to Fig.1 and Fig. 2, a kind of imaging lens module, including lens barrel 101, anti-dazzling screen 102, first is saturating
Mirror 103, optical filter 104 and protective glass 202, the anti-dazzling screen 102, the first lens 103, optical filter 104 and protective glass 202
In lens barrel 101, the lens barrel 101 is equipped with antetheca, and the antetheca is equipped with entrance aperture, and the entrance aperture is cone, institute
It states entrance aperture and is located at the aperture of 101 outer surface of lens barrel and be more than positioned at the aperture of 101 inner surface of lens barrel, the anti-dazzling screen 102 is close to
The antetheca of lens barrel 101, first lens 103 are set between anti-dazzling screen 102 and optical filter 104, and the lens barrel 101 is far from antetheca
One end be equipped with concave station, the protective glass 202 be set to lens barrel 101 concave station in, the anti-dazzling screen 102 be equipped with light hole,
A diameter of d of the light hole, meets 0.1mm<d<0.62mm enters that light quantity is very little, and light filling light is wanted if diameter d is too small
Higher is sought, the power consumption of electronic device such as talking pen can be increased, diameter d is excessive, then aperture is excessive, and Depth of field is too short, identical
Shooting area in occur upper and lower side, left and right end or a certain angle clarity not enough and influence identification the case where, it is particularly disadvantageous
The shooting effect under big angle of inclination state, influences a part of user and gets used to wide-angle tilt to hold a pen decoded yardage when reading
And recognition efficiency, the bit error rate is increased, the good experience sense of user, the entrance aperture on the antetheca and anti-dazzling screen are reduced
The object side of light hole alignment on 102, the barrel outside diameters D≤5mm, first lens 103 is convex surface, and described first thoroughly
The image side surface of mirror 103 is concave surface.
The lens barrel 101 is black plastic material, prevents and absorbs stray light entrance, the barrel outside diameters D≤5mm is excellent
Choosing is no more than 4mm, contributes to size miniaturization.
The anti-dazzling screen 102 can be blended in the lens barrel antetheca, form one, be made of injection molding, the shading
Piece 102 uses light-absorbing black plastics sheet materials, such as PET, SOMA, KIMOTO material, the anti-dazzling screen 102 to use stamping die
Have punch forming, ensures its bore size precision, contribute to imaging lens conformity of production.First lens 103 are at least
There is dioptric effect on one side, help light focusing imaging, preferably the first lens 103 have at least one side aspherical, help to carry
Point reads shooting effect under high differing tilt angles state, helps to improve a reading quality.
The field of view angle FOV of the imaging lens module meets the following conditions：8°<FOV<45 °, preferably 20 ° of a more step<
FOV<40 °, if field angle is too small, shooting recognizable code region is too small, and decoded number is inadequate, or leads to imaging lens module length
It is long；If field angle is excessive, shooting recognizable code region is too big, and decoded number is excessive, influences decoding speed, or cause shooting away from
Close from excessively, imaging lens module becomes sensitive to tilt.
The focal length f of the imaging lens module meets：0.5mm<f<6mm, preferably 2mm<f<4mm, if focal length is too short, at
Picture camera lens module is unfavorable for decoding under differing tilt angles to tilt sensitive, if focal length is long, identical shooting area, and imaging
Camera lens module becomes longer, is unfavorable for structure configuration on the electronic device.
A kind of imaging lens, including above-mentioned imaging lens module and electronics photosensitive element, the electronics photosensitive element are set
There are imaging surface 203, the imaging surface 203 of the electronics photosensitive element to be set to the image side surface of protective glass 202,101 object of the lens barrel
Side surface meets the following conditions L to the distance L of electronics photosensitive element imaging surface 203<8mm, L are long to be unfavorable for imaging lens
For the structure configuration in talking pen.
A kind of talking pen, including penholder, penholder one end end are equipped with above-mentioned imaging lens, and the penholder other end is equipped with and raises one's voice
Device, penholder are equipped with button and earphone jack, and the penholder is internally provided with power supply, storage card and processor, and the loud speaker is pressed
The electronics photosensitive element of key, storage card and imaging lens is electrically connected with processor, and the power supply is for powering.
Embodiment two：It please refers to Fig.3 and Fig. 4, a kind of imaging lens module includes that lens barrel 301, anti-dazzling screen 302, first are saturating
Mirror 303, the second lens 305, infrared fileter 307 and protective glass 402.
The anti-dazzling screen 302, the first lens 303, the second lens 305, infrared fileter 307 and protective glass 402 are set to
In lens barrel 301, the lens barrel 301 be equipped with antetheca, the antetheca be equipped with entrance aperture, the entrance aperture be cone, it is described enter
The aperture that perforation is located at 301 outer surface of lens barrel is more than positioned at the aperture of 101 inner surface of lens barrel, and the anti-dazzling screen 302 is close to lens barrel
301 antetheca, second lens 305 are set between the first lens 303 and infrared fileter 307, second lens 305
Object side is concave surface, and the first distance piece 304, first distance piece are equipped between first lens, 303 and second lens 305
304 are equipped with first through hole, are equipped with the second distance piece 306 between second lens 305 and infrared fileter 307, and described the
Two distance pieces 306 are equipped with the second through-hole, and the one end of the lens barrel 301 far from antetheca is equipped with concave station, and the protective glass 402 is set
In the concave station of lens barrel 301, the anti-dazzling screen 302 is equipped with light hole, and a diameter of d of the light hole meets 0.1mm<d
<0.62mm, the entrance aperture on the antetheca are aligned with the light hole on anti-dazzling screen 302, the barrel outside diameters D≤5mm, and described
The object side of one lens 303 is convex surface, and the image side surface of first lens 303 is concave surface, the image side surface of the protective glass 402
Equipped with electronics photosensitive element imaging surface 403.
The lens barrel 301 is formed into injection molding by the black plastic material for being opaque to visible light but with impermeable infrared light, institute
It is that the special delustring in two sides and surface anti-static processing material are formed through precision stamping to state anti-dazzling screen 302, it includes thang-kng porose area and
Shading region, the effect of shading region are that visible light and infrared light is prevented to enter the subsequent region of anti-dazzling screen, center light hole be used as at
As the diaphragm of camera lens module, diameter d sizes are to imaging lens module image quality and the sensitivity at shooting angle of inclination
It influences extremely important, 0.1mm can be met<d<0.6mm.The object side and image side surface of first lens 303 and the second lens 305 are equal
Using aspherical shape, it can further improve shooting quality and reduce the inclined susceptibility of shooting, 304 He of the first distance piece
Second distance piece 306 plays the role of spacing distance.The infrared fileter 307 plays the work for absorbing visible transmission infrared light
With the back focal length of imaging can be effectively increased by increasing the thickness of optical filter, advantageously reduce the inclined susceptibility of shooting.In this reality
It applies in example, d=0.55mm, preferably realizes the actual demand of shooting quality and counterbalancing tiit sensitivity.
A kind of imaging lens, including above-mentioned imaging lens module and electronics photosensitive element, the electronics photosensitive element are set
There are imaging surface 403, the imaging surface 403 of the electronics photosensitive element to be set to the image side surface of protective glass 402,301 object of the lens barrel
Side surface meets the following conditions L to the distance L of electronics photosensitive element imaging surface 403<8mm, L are long to be unfavorable for imaging lens
For the structure configuration in talking pen.
A kind of talking pen, including penholder, penholder one end end are equipped with above-mentioned imaging lens, and the penholder other end is equipped with and raises one's voice
Device, penholder are equipped with button and earphone jack, and the penholder is internally provided with power supply, storage card and processor, and the loud speaker is pressed
The electronics photosensitive element of key, storage card and imaging lens is electrically connected with processor, and the power supply is for powering.
Finally it should be noted that above example is only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail to the utility model with reference to preferred embodiment, this field it is general
Lead to it will be appreciated by the skilled person that can be modified or replaced equivalently to the technical solution of the utility model, without departing from this
The spirit and scope of utility model technical solution.
Claims (10)
1. a kind of imaging lens module, which is characterized in that including lens barrel, anti-dazzling screen, the first lens and optical filter, the shading
Piece, the first lens and optical filter are set in lens barrel, and the lens barrel is equipped with antetheca, and the antetheca is equipped with entrance aperture, the shading
On piece is equipped with light hole, and a diameter of d of the light hole meets 0.1mm<d<0.62mm, the barrel outside diameters D≤5mm, institute
The antetheca that anti-dazzling screen is close to lens barrel is stated, the entrance aperture on the antetheca is aligned with the light hole on anti-dazzling screen, first lens
Between anti-dazzling screen and optical filter, the object side of first lens is convex surface, and the image side surface of first lens is concave surface.
2. imaging lens module as described in claim 1, which is characterized in that first lens are at least aspheric on one side
Face.
3. imaging lens module as described in claim 1, which is characterized in that the focal length of the imaging lens module is f, is met
0.5mm<f<6mm。
4. imaging lens module as claimed in claim 2, which is characterized in that the field angle FOV of the imaging lens module is full
Sufficient the following conditions, 8 °<FOV<45°.
5. imaging lens module as described in claim 1, which is characterized in that the entrance aperture is cone, the entrance aperture
Aperture positioned at lens barrel outer surface is more than positioned at the aperture of lens barrel inner surface.
6. imaging lens module as described in any one in claim 1-5, which is characterized in that further include the second lens, described
Two lens are set between the first lens and optical filter, and the object side of second lens is concave surface.
7. imaging lens module as claimed in claim 6, which is characterized in that be equipped between first lens and the second lens
First distance piece, first distance piece are equipped with first through hole, and the second interval is equipped between second lens and optical filter
Piece, second distance piece are equipped with the second through-hole.
8. imaging lens module as described in any one in claim 1-5, which is characterized in that further include protective glass, the mirror
The one end of cylinder far from antetheca is equipped with concave station, and the protective glass is set in the concave station of lens barrel.
9. a kind of imaging lens, which is characterized in that including such as claim 1-8 any one of them imaging lens module and electricity
Sub- photosensitive element, the electronics photosensitive element are set within the light absorption portion of imaging lens module, the imaging lens module
Lens barrel object side surface to electronics photosensitive element imaging surface distance L, meet：L<8mm.
10. a kind of talking pen, which is characterized in that including imaging lens as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721898925.8U CN207623609U (en) | 2017-12-29 | 2017-12-29 | Imaging lens module, imaging lens and talking pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721898925.8U CN207623609U (en) | 2017-12-29 | 2017-12-29 | Imaging lens module, imaging lens and talking pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207623609U true CN207623609U (en) | 2018-07-17 |
Family
ID=62830535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721898925.8U Active CN207623609U (en) | 2017-12-29 | 2017-12-29 | Imaging lens module, imaging lens and talking pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207623609U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907975A (en) * | 2017-12-29 | 2018-04-13 | 东莞市宇光光电科技有限公司 | Imaging lens module, imaging lens and talking pen |
| TWI701473B (en) * | 2019-09-11 | 2020-08-11 | 大立光電股份有限公司 | Imaging lens assembly module, camera module and electronic device |
| CN113885111A (en) * | 2021-09-29 | 2022-01-04 | 深圳市先地图像科技有限公司 | Diaphragm and laser |
-
2017
- 2017-12-29 CN CN201721898925.8U patent/CN207623609U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907975A (en) * | 2017-12-29 | 2018-04-13 | 东莞市宇光光电科技有限公司 | Imaging lens module, imaging lens and talking pen |
| TWI701473B (en) * | 2019-09-11 | 2020-08-11 | 大立光電股份有限公司 | Imaging lens assembly module, camera module and electronic device |
| CN113885111A (en) * | 2021-09-29 | 2022-01-04 | 深圳市先地图像科技有限公司 | Diaphragm and laser |
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