CN104898351A - Camera module and camera device - Google Patents
Camera module and camera device Download PDFInfo
- Publication number
- CN104898351A CN104898351A CN201410083984.4A CN201410083984A CN104898351A CN 104898351 A CN104898351 A CN 104898351A CN 201410083984 A CN201410083984 A CN 201410083984A CN 104898351 A CN104898351 A CN 104898351A
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- camera module
- bulge
- circuit board
- microscope base
- lens
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Abstract
The invention provides a camera module and a camera device. The camera module comprises a lens stand, a lens tube, a lens group disposed in the lens tube and a photosensitive chip arranged on a circuit board. The lens stand is fixed on the circuit board; the photosensitive chip is received in the lens stand; the lens stand and the lens tube are fixedly integrated; a fixing frame is fixedly connected to the inner wall of the lens stand; the fixing frame comprises a first end and a second end which are opposite to each other in the axial direction of the lens tube; the first end is pressed against the edge part of the photosensitive chip and the second end is pressed against the lens group so that the focus of the lens group is located on the photosensitive surface of the photosensitive chip. The camera module and the camera device have the advantages that the distance between the lens group in the lens tube and the photosensitive chip is fixed, so that the focal length of the camera module is fixed, focusing is not needed, the assembling process of the camera module is simplified, the focusing process conducted after the assembly is finished is saved, the production efficiency is increased, the manual cost is saved and the problem that dust generated during focusing may affect the imaging quality is solved.
Description
Technical field
The present invention relates to a kind of camera module and camera head, belong to camera technique field.
Background technology
In prior art, as shown in Figures 1 and 2, camera module is generally made up of the sensitive chip 5 on microscope base 1 ', lens barrel 2 ', lens set 3 and circuit board 4, electronic devices and components 6 etc., wherein, microscope base 1 ' is fixed on circuit board 4, sensitive chip 5 and electronic component device 6 are arranged in the accommodation space between microscope base 1 ' and circuit board 4, lens set 3 is contained in lens barrel 2 ', lens barrel 2 ' is spun together by screw thread and microscope base 1 ', and lens barrel 2 ' rotates the focal length regulating camera relative to microscope base 1 ' by screw thread.
But because the threaded engagement between lens barrel 2 ' and microscope base 1 ' requires higher, in camera lens assembling process, fraction defective is higher, and because camera module is after assembling by rotating the focusing of lens barrel messenger work, need in focussing process to spend cost of labor; In addition, because lens barrel and microscope base are all plastic parts, can produce friction force, thus can produce the molecule such as chip, dust when focusing and rotating, these molecules drop on sensitive chip can imaging, has a strong impact on the imaging effect of module.
Summary of the invention
The invention provides a kind of camera module and camera head, without the need to focusing between lens barrel and microscope base, can improve and produce yield, reduction cost of labor, the dust that not existing focuses simultaneously produces affects the problem of imaging effect.
The invention provides a kind of camera module, comprise microscope base, lens barrel, the sensitive chip being arranged at the lens set in described lens barrel and being arranged on circuit board, described microscope base is fixed on described circuit board, described sensitive chip is contained in described microscope base, described microscope base and described lens barrel are connected to one, the inwall of described microscope base is fixedly connected with fixed mount, described fixed mount comprises along described barrelshift to the first end be oppositely arranged and the second end, described first end supports the edge at described sensitive chip, described second end contact is in described lens set, be positioned on the light-sensitive surface of described sensitive chip to keep the focus of lens set.
The present invention also provides a kind of camera head, includes camera module as above.
Camera module provided by the invention and camera head, by lens barrel and microscope base are connected to one, and be connected with fixed mount with microscope base, the first end of fixed mount is supported on sensitive chip, the second relative end withstands in lens set, the distance of the lens set in lens barrel and sensitive chip can be made to fix, thus this camera module focal length is fixed, without the need to focusing, simplify the assembling procedure of camera module, eliminate the focusing operation after having assembled, can enhance productivity, save labour turnover, simultaneously, because camera module provided by the invention does not need focusing, therefore there is not the powder produced because of focusing to drop on sensitive chip, affect the problem of image quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of camera module in prior art;
Fig. 2 is the cutting structural representation of camera module in prior art;
The cutting structural representation of the camera module that Fig. 3 provides for the embodiment of the present invention;
The structural representation of optical filter is provided with in the camera module that Fig. 4 provides for the embodiment of the present invention.
Embodiment
The invention provides a kind of camera module, as shown in Figure 3, this camera module comprises microscope base 1, lens barrel 2, the sensitive chip 5 being arranged at the lens set 3 in lens barrel 2 and being arranged on circuit board 4, microscope base 1 is arranged on circuit board 4, sensitive chip 5 is contained in microscope base 1, , wherein, microscope base 1 and lens barrel 2 are connected to one, the inwall of microscope base 1 is fixedly connected with fixed mount 7, fixed mount 7 is specially black resin or rubber washer, fixed mount 7 comprises the first end and the second end that are axially oppositely arranged along lens barrel 2, first end supports the edge at sensitive chip 5, second end is supported in lens set 3, be positioned on the light-sensitive surface of sensitive chip 5 to keep the focus of lens set 3.
The first end specifically supporting sensitive chip 5 at fixed mount 7 is provided with the first bulge-structure 71, first bulge-structure 71 and supports on sensitive chip 5.
In the present embodiment, fixed mount 7 can be a ring texture, is also provided with step 72 in the outside of this ring texture, and lens barrel 2 is supported on step 72 near one end of circuit board 4.
In the present embodiment, lens set 3 includes two panels or three eyeglasses usually, each eyeglass is fixedly installed in lens barrel 2, as in Fig. 3, eyeglass in lens set 3 is supported on the inwall at lens barrel 2 top by fixed mount 7 and is fixed in lens barrel 2, its position in lens barrel 2 is fixing, and lens barrel 2 and microscope base 1 are connected to one, the first end of fixed mount 7 is supported on sensitive chip 5, second end 74 is supported in lens set 3, therefore the distance between lens set 3 and sensitive chip 5 is changeless, the focal length determining camera module is thus changeless, the focal length of camera module can be determined in optical design, and according to the distance of this focus design lens set 3 distance perspective optical chip 5.
Generally speaking, the camera module that the present embodiment provides does not need to carry out focusing process, camera module can detect goods after having assembled eventually, because microscope base and lens barrel are fixed together, save one assembling procedure, and save one focusing operation, thus save ETCD estimated time of commencing discharging, and save human cost, improve production efficiency.
In the present embodiment, the position of lens set 3 in lens barrel 2 is fixed, lens barrel 2 and microscope base 1 are connected to one, the fixed mount 7 be fixedly connected with microscope base 1 is supported on sensitive chip 5, therefore the distance between lens set 3 and sensitive chip 5 is fixing, this distance can be determined by the focal length when optical design according to camera module, and the camera module that the present embodiment provides focuses, and does not need to carry out focusing process to this camera module.
In the present embodiment, lens barrel 2 and microscope base 1 are formed in one structure, and lens barrel 2 and microscope base 1 specifically can be made directly one-body molded, also can first shaping lens barrel 2, then lens barrel 2 are placed in the die for molding microscope base 1 of shaping microscope base 1, thus lens barrel 2 is shaping as a whole with microscope base 1.
Circuit board 4 is also provided with the electronic devices and components such as resistance, electric capacity 6, because the chip on electronic devices and components 6, dust etc. easily drop on sensitive chip 5, electronic devices and components 6 as shown in Figure 2 and sensitive chip 5 are placed in the accommodation space between microscope base 1 ' and circuit board 4 usually, dust etc. so on electronic devices and components 6 drops on sensitive chip 5, can affect the imaging effect of module.Therefore, as shown in Figure 3, the first bulge-structure 71 supported on sensitive chip 5 is arranged between the imaging area 51 of sensitive chip 5 and electronic devices and components 6 by the present embodiment, to isolate the imaging area 51 of sensitive chip 5 and electronic devices and components 6, thus the dust etc. on electronic devices and components 6 can be avoided to fall on the imaging area 51 of sensitive chip 5.
First bulge-structure 71 specifically can be the annular projection that fixed mount 7 is arranged around the imaging area 51 of sensitive chip 5, the imaging area 51 of sensitive chip 5 is around in the seal cavity of formation between microscope base 1, lens barrel 2 and lens set 3 by this annular projection, and electronic devices and components 6 are arranged on the outside of this annular projection.
In the present embodiment, microscope base 1 is also provided with the second bulge-structure 11, microscope base 1 is fixing on the circuit board 4 by the second bulge-structure 11.
In the present embodiment, confined space is formed between first bulge-structure 71, second bulge-structure 11 and circuit board 4, electronic devices and components 6 are arranged in sealing space, concrete, second bulge-structure 11 is for being around in the annular projection outside the first bulge-structure 71, between the first bulge-structure 71 and the second bulge-structure 11, form ring groove, electronic devices and components 6, in the confined space that this ring groove and circuit board 4 are formed, can not affect the imaging of sensitive chip 5.
Because the fixed mount 7 be connected with microscope base 1 is supported on sensitive chip 5, therefore, very accurate that second bulge-structure 11 of microscope base 1 can not do, therefore between the second bulge-structure 11 and circuit board 4, be provided with prepsetting gap, by filling glue to be fixed on the circuit board 4 by the second bulge-structure 11 in this prepsetting gap.
Preferably, gap between second bulge-structure 11 and circuit board 4 is perpendicular to circuit board 4 direction is of a size of between 0.02 ~ 0.04mm, this gap size is just in time the thick size of glue of drawing glue, therefore, by drawing glue, this clearance seal being filled, making the space sealing between the first bulge-structure 71 and the second bulge-structure 11.
It will be appreciated by those skilled in the art that, the concrete shape of the first bulge-structure 71 and the second bulge-structure 11 can be square annular projection, also can be circular annular projection, do not limit at this, the concrete structure of the first bulge-structure 71 and the second bulge-structure 11 also can be arranged according to electronic devices and components 6 particular location on the circuit board 4, makes electronic devices and components 6 in the space that the first bulge-structure 71 and the second bulge-structure 11 are formed.
In the present embodiment, as shown in Figures 3 and 4, the ring texture inwall of fixed mount 1 is provided with mounting groove 73, for installing optical filter 8.
In the present embodiment, as shown in Figure 3, the side that circuit board 4 deviates from microscope base 1 is also provided with connector 9, for the electrical connection of camera module and other circuit module.
The camera module that the present embodiment provides, by lens barrel and microscope base are connected to one, and be connected with fixed mount with microscope base, fixed mount first end is supported on sensitive chip, second end is supported in lens set, the distance of the lens set in lens barrel and sensitive chip can be made to fix, thus this camera module focal length is fixed, without the need to focusing, simplify the assembling procedure of camera module, eliminate the focusing operation after having assembled, can enhance productivity, save labour turnover, simultaneously, because camera module provided by the invention does not need focusing, therefore there is not the powder produced because of focusing to drop on sensitive chip, affect the problem of image quality.
Another embodiment of the present invention also provides a kind of camera head, this camera head include that any embodiment of the present invention provides camera module.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (11)
1. a camera module, comprise microscope base, lens barrel, the sensitive chip being arranged at the lens set in described lens barrel and being arranged on circuit board, described microscope base is fixed on described circuit board, described sensitive chip is contained in described microscope base, it is characterized in that, described microscope base and described lens barrel are connected to one, the inwall of described microscope base is fixedly connected with fixed mount, described fixed mount comprises along described barrelshift to the first end be oppositely arranged and the second end, described first end supports the edge at described sensitive chip, described second end contact is in described lens set, be positioned on the light-sensitive surface of described sensitive chip to keep the focus of lens set.
2. camera module according to claim 1, is characterized in that, described fixed mount is black resin or rubber washer.
3. camera module according to claim 1, is characterized in that, described fixed mount first end is the first bulge-structure, and described first bulge-structure is supported on described sensitive chip.
4. camera module according to claim 3, it is characterized in that, described circuit board is provided with electronic devices and components, described first bulge-structure is arranged between the imaging area of described sensitive chip and described electronic devices and components, to isolate the imaging area of described sensitive chip and described electronic devices and components.
5. camera module according to claim 4, it is characterized in that, described microscope base is provided with the second bulge-structure, described microscope base is fixed on described circuit board by described second bulge-structure, forms confined space between described first bulge-structure, described second bulge-structure and described circuit board;
Described electronic devices and components are arranged in described confined space.
6. camera module according to claim 5, it is characterized in that, described second bulge-structure is be around in the annular projection outside described first bulge-structure, is provided with prepsetting gap between described second bulge-structure and described circuit board, fills out and be provided with glue in described prepsetting gap.
7. camera module according to claim 6, is characterized in that, described prepsetting gap is being of a size of between 0.02 ~ 0.04mm perpendicular on described circuit board direction.
8. according to the arbitrary described camera module of claim 1-7, it is characterized in that, described microscope base and described lens barrel are formed in one structure.
9., according to the arbitrary described camera module of claim 1-7, it is characterized in that, described fixed mount is ring texture, and the inwall of described ring texture is provided with mounting groove, for installing optical filter.
10. camera module according to claim 9, is characterized in that, the arranged outside of described ring texture has step, and described lens barrel is supported on described step near one end of described circuit board.
11. 1 kinds of camera heads, is characterized in that, include the arbitrary described camera module of claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410083984.4A CN104898351B (en) | 2014-03-07 | 2014-03-07 | camera module and camera device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410083984.4A CN104898351B (en) | 2014-03-07 | 2014-03-07 | camera module and camera device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104898351A true CN104898351A (en) | 2015-09-09 |
| CN104898351B CN104898351B (en) | 2018-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410083984.4A Expired - Fee Related CN104898351B (en) | 2014-03-07 | 2014-03-07 | camera module and camera device |
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| Country | Link |
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| CN (1) | CN104898351B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404611A (en) * | 2017-08-17 | 2017-11-28 | 信利光电股份有限公司 | A kind of electronic equipment, camera module and its assemble method |
| CN108012066A (en) * | 2018-01-10 | 2018-05-08 | 重庆市天实精工科技有限公司 | A kind of high pixel modular structure and production technology |
| CN108933883A (en) * | 2017-05-25 | 2018-12-04 | 南昌欧菲光电技术有限公司 | Camera module |
| CN110837177A (en) * | 2018-08-16 | 2020-02-25 | 先进光电科技股份有限公司 | Optical imaging module |
| CN110837171A (en) * | 2018-08-16 | 2020-02-25 | 先进光电科技股份有限公司 | Optical imaging module |
| CN110941069A (en) * | 2018-09-21 | 2020-03-31 | 先进光电科技股份有限公司 | Optical imaging module |
| CN111050058A (en) * | 2020-01-03 | 2020-04-21 | 昆山丘钛微电子科技有限公司 | Camera module and electronic product |
| CN111133744A (en) * | 2017-09-27 | 2020-05-08 | 京瓷株式会社 | Imaging device, imaging device manufacturing method, and moving body |
| CN111308642A (en) * | 2020-04-03 | 2020-06-19 | 湖南金康光电有限公司 | Camera module |
| CN112213838A (en) * | 2020-10-29 | 2021-01-12 | 山东合力泰电子科技有限公司 | Locking head for pre-focusing of camera module and pre-focusing method |
| CN114157796A (en) * | 2021-12-20 | 2022-03-08 | 浙江舜宇智领技术有限公司 | Dustproof construction and module of making a video recording |
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| CN1396473A (en) * | 2001-05-18 | 2003-02-12 | 柯尼卡株式会社 | Camera lens, camera device and forming method of the camera lens |
| JP2006200747A (en) * | 2006-02-20 | 2006-08-03 | Sumitomo Heavy Ind Ltd | Reduction gear for geared motors, geared motor, and its series |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108933883A (en) * | 2017-05-25 | 2018-12-04 | 南昌欧菲光电技术有限公司 | Camera module |
| CN107404611A (en) * | 2017-08-17 | 2017-11-28 | 信利光电股份有限公司 | A kind of electronic equipment, camera module and its assemble method |
| CN107404611B (en) * | 2017-08-17 | 2020-12-15 | 信利光电股份有限公司 | Electronic equipment, camera module and assembling method thereof |
| CN111133744A (en) * | 2017-09-27 | 2020-05-08 | 京瓷株式会社 | Imaging device, imaging device manufacturing method, and moving body |
| CN111133744B (en) * | 2017-09-27 | 2021-07-23 | 京瓷株式会社 | Imaging device, imaging device manufacturing method, and moving body |
| CN108012066A (en) * | 2018-01-10 | 2018-05-08 | 重庆市天实精工科技有限公司 | A kind of high pixel modular structure and production technology |
| CN110837177A (en) * | 2018-08-16 | 2020-02-25 | 先进光电科技股份有限公司 | Optical imaging module |
| CN110837171A (en) * | 2018-08-16 | 2020-02-25 | 先进光电科技股份有限公司 | Optical imaging module |
| CN110941069A (en) * | 2018-09-21 | 2020-03-31 | 先进光电科技股份有限公司 | Optical imaging module |
| CN111050058A (en) * | 2020-01-03 | 2020-04-21 | 昆山丘钛微电子科技有限公司 | Camera module and electronic product |
| CN111308642A (en) * | 2020-04-03 | 2020-06-19 | 湖南金康光电有限公司 | Camera module |
| CN112213838A (en) * | 2020-10-29 | 2021-01-12 | 山东合力泰电子科技有限公司 | Locking head for pre-focusing of camera module and pre-focusing method |
| CN114157796A (en) * | 2021-12-20 | 2022-03-08 | 浙江舜宇智领技术有限公司 | Dustproof construction and module of making a video recording |
| CN114157796B (en) * | 2021-12-20 | 2024-01-30 | 浙江舜宇智领技术有限公司 | Dustproof structure and camera module |
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| CN104898351B (en) | 2018-03-20 |
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Granted publication date: 20180320 Termination date: 20190307 |