CN206481367U - A kind of camera module and mobile terminal - Google Patents
A kind of camera module and mobile terminal Download PDFInfo
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- CN206481367U CN206481367U CN201720079852.3U CN201720079852U CN206481367U CN 206481367 U CN206481367 U CN 206481367U CN 201720079852 U CN201720079852 U CN 201720079852U CN 206481367 U CN206481367 U CN 206481367U
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- light source
- camera module
- connection substrate
- light
- lens
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Abstract
The utility model provides a kind of camera module and mobile terminal, is related to technical field of electronic equipment.The camera module, applied to mobile terminal, the camera module includes：Lens assembly, connection substrate and the imaging sensor electrically connected with the connection substrate, one light source generator and a light source receiver are installed in described image sensor, the light source generator light direction is towards the lens assembly, and the light of the light source generator transmitting, after being reflected through the lens assembly, the light source receiver is incident to.The utility model occurs with receiving structure, based on the structure by installing light on the imaging sensor inside camera module, it is possible to achieve be infected with pick-up lens the detection of soiled condition.
Description
Technical field
The utility model is related to technical field of electronic equipment, more particularly to a kind of camera module and mobile terminal.
Background technology
With the development of intelligent terminal, increasing user using intelligent terminal carry out it is daily take pictures, such as intelligent hand
Machine.But smart mobile phone is during routine use, its camera lens is often infected with dirty because various objects are contacted.When using
When camera lens has been infected with dirty smart mobile phone and taken pictures, it is unintelligible to be easily caused the photo taken, so as to influence user
Experience of taking pictures situation occur.
At present, certain customers do not check photo on the spot upon taking a picture, but check afterwards.If camera lens is dirty, it can cause
Photographic fog is unclear, now can not also reduce the definition of photo, and bad Consumer's Experience is brought to user.Prior art lacks
Detection structure is carried out to camera lens contamination soiled condition, it is impossible to pick-up lens contamination soiled condition is detected, is only capable of relying on meat
Eye goes to observe the clean level of camera lens.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of camera module and mobile terminal, and there is provided one kind
Structure with receiving occurs for light inside camera module, based on the structure, thus for solve in the prior art smart mobile phone without
The problem of method is detected to pick-up lens contamination soiled condition.
In order to solve the above-mentioned technical problem, the utility model embodiment is adopted the following technical scheme that：
A kind of camera module, applied to mobile terminal, the camera module includes：Lens assembly, connection base
A light source generator is installed in plate and the imaging sensor electrically connected with the connection substrate, described image sensor
With a light source receiver, the light source generator light direction is towards the lens assembly, and light source generator transmitting
Light, after being reflected through the lens assembly, is incident to the light source receiver.
The utility model also provides a kind of mobile terminal, including control module, in addition to：Taking the photograph as described in above-mentioned embodiment
As head mould group, the control module is electrically connected with the connection substrate.
In such scheme of the present utility model, by the imaging sensor inside camera module install light occur with
Structure is received, based on the structure, it is possible to achieve the detection of soiled condition is infected with pick-up lens, while avoiding because camera lens has dirty
Cause take pictures effect difference and because user frequently wipes camera lens and caused by camera lens scratch the problem of.
Brief description of the drawings
Fig. 1 is one of structural representation of camera module of the utility model embodiment；
Fig. 2 is the two of the structural representation of the camera module of the utility model embodiment.
Description of reference numerals：
1- connection substrates；2- imaging sensors；3- camera lenses；4- infrared fileters；5- pedestals；6- connectors；21- light
Source generator；22- light source receivers.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment, based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
The utility model discloses a kind of camera module, as shown in Fig. 1~2, the camera module includes：Lens group
It is provided with part, connection substrate 1 and the imaging sensor 2 electrically connected with connection substrate 1, the imaging sensor 2
One light source generator 21 and a light source receiver 22, the light direction of light source generator 21 occur towards lens assembly, and light source
The light that device 21 is launched, after being reflected through lens assembly, is incident to the light source receiver 22.
Here, imaging sensor 2 is used to the light conducted from lens assembly (referring specifically to camera lens 3) being converted to electricity
Signal, then the D/A digital-to-analogue conversions for passing through inside are data signal.
Here, connection substrate 1 can be flexible PCB FPC.
It should be noted that connection substrate 1 includes memory and processor (not shown), memory and processing
Device is electrically connected, and the optical signal parameters that prestore；Processor is electrically connected with light source receiver 22, and contrast is incident to light source receiver 22
The optical signal parameters of optical signal and memory storage.
It should be noted that processor also may particularly include comparator, for by the optical signal parameters prestored in memory
It is compared with the optical signal that is incident to light source receiver 22, and exports comparative result.
Here it is possible to be the optical reflectivity for the camera lens 3 that will be prestored and believed according to the light of the light source receiver 22 received
Number energy, the actual optical reflectivity for calculating obtained camera lens 3 is compared.
Specifically, connection substrate 1 also includes reminiscences (not shown), reminiscences is connected with processor.
Specifically, connection substrate 1 also includes timer (not shown), timer is electrically connected with processor.
Specifically, as shown in Fig. 2 light source generator 21 is located at first predeterminated position at the middle part of imaging sensor 2.
Specifically, light source receiver 22 is located at second predeterminated position at the middle part of imaging sensor 2, and with light source generator 21
It is separated by pre-determined distance.
Need exist for other positions in addition to the first predeterminated position and the second predeterminated position in explanation, imaging sensor 2
Put and photodiode (not shown) is installed.
It is preferred that, as shown in figure 1, lens assembly includes：Voice coil motor (not shown), in voice coil motor, and
The camera lens 3 being connected with voice coil motor；The infrared fileter 4 of the bottom of camera lens 3 is arranged on, and, the pedestal being connected with voice coil motor
5。
Wherein, the pedestal 5 is fixedly connected with connection substrate 1；Imaging sensor 2 is located inside the pedestal 5, and image
The position of sensor 2 is relative with the position of camera lens 3.
Here, voice coil motor is used to drive camera lens 3 to move, and voice coil motor is electrically connected with connection substrate 1, specific peace
Mounted in the upside of pedestal 5.
Here, camera lens 3 in voice coil motor is typically made up of multi-disc lens, can be arranged in order from the top down.
Explanation is needed exist for, infrared fileter 4 can be used for selectively passing through the light into camera module, can
Filtering infrared light line.The present embodiment intermediate infrared filter 4 is arranged on the bottom of camera lens 3, may also be arranged on certainly on pedestal 5 just to mirror
First 3 position.
It need to further illustrate, light is easy to from camera lens 3 in the position of imaging sensor 2 just to the position of camera lens 3
Conduct to imaging sensor 2.That is, imaging sensor 2 is located in the inner chamber that pedestal 5 is formed with camera lens 3.
Specifically, imaging sensor 2 is located on connection substrate 1, and electrically connected with connection substrate 1.
Specifically, as depicted in figs. 1 and 2, camera module also includes in the present embodiment：It is arranged at connection substrate 1
On connector 6, the connector 6 electrically connects with imaging sensor 2 and connection substrate 1 respectively.
Here, connector 6 is used to make imaging sensor 2 turn on connection substrate 1.
The utility model embodiment also provides a kind of mobile terminal, including control module, in addition to such as above-mentioned embodiment institute
The camera module stated；Wherein, control module is electrically connected with connection substrate 1.
Be specifically described below the job step that the detection that soiled condition is infected with pick-up lens is realized based on the camera module
Suddenly.
It should be noted that the optical reflectivity of the camera lens 3 in camera module (detects for α when camera lens 3 dispatches from the factory
To), and in the memory that can be pre-recorded on connection substrate 1.
Here, before being detected to pick-up lens, in order to more accurately know that pick-up lens is infected with dirty situation,
Pick-up lens can be entered apart from pick-up lens pre-determined distance and just being provided for blocking ambient to the position of pick-up lens
Shelter, such as shutter, shading cloth, with avoid light source receiver 22 receive ambient after, in the memory caused
When the optical signal parameters prestored are compared with being incident to the optical signal of light source receiver 22, the influence to exporting comparative result
Although (the influence very little of ambient compared result).Certainly, it is preferred that the detection to cam lens can also be placed on night
Carry out, to reduce the influence after the reception ambient of light source receiver 22 to exporting comparative result.
First, control module is by the time opening of Timer Controlling light source generator 21, the camera lens 3 into camera module
On send one group of light；
Here, timer is pressed the time set in advance, such as 1 time/24 hours, trigger control module control light source generator
21 time openings.
It is of course also possible to after the camera function that mobile terminal detects camera module is opened, control module control light
Source generator 21 is opened, and the camera lens 3 into camera module sends one group of light.
Afterwards, control module control light source generator 21 is closed, while controlling light source receiver 22 to open；
Explanation is needed exist for, the light that light source generator 21 is sent after being reflected through camera lens 3, is incident to light source reception
Device 22.
Then, the light energy that the processor on connection substrate 1 is received according to light source receiver 22, calculates camera lens 3
Actual reflectance β；
It should be noted that, if camera lens 3 has dirty, light can be by whole reflected light source generators 22, nothing through dirty place
Method passes through camera lens 3.
Finally, the comparator in processor is compared the optical reflectivity α of pre-recorded camera lens 3 with actual reflectance β,
When α and β differ by more than predetermined threshold value, reminiscences sends the cue that prompting user wipes camera lens 3, and reminiscences can be sent
Sound or light or the cue of vibrations.
Here, when α and β differ by more than predetermined threshold value, illustrate that there is the influence of the booties such as water stain, oil stain, fingerprint on the surface of camera lens 3
Light reflectance.
It need to further illustrate, if reminiscences frequently points out user to wipe camera lens 3 in the short time, it is likely that be camera lens
3 have mill flower damage, after user can further detect, change camera lens 3.
The preferred embodiment of the utility model one is：The light that light source generator 21 is sent is infrared light, and lens group
Infrared fileter 4 in part includes：First area and second area that infrared light is passed through are available for, the first area is sent out with light source
The raw position of device 21 is corresponding, and second area is corresponding with the position of light source receiver 22.
Explanation is needed exist for, non-infrared optical thin film can be coated with the predeterminable area of infrared filtering substrate to be formed
The first area of infrared fileter 4 and second area, so, first area and second area are available for infrared light to pass through.
So, then can need not be apart from pick-up lens pre-determined distance and just to taking the photograph before being detected to pick-up lens
As the position of camera lens is provided for blocking the shelter that ambient enters pick-up lens, or can to the detection of cam lens
Night progress need not be placed on.
Here, detecting step specifically to pick-up lens, as described above, repeating no more here.
The camera module that the utility model embodiment is provided, by pacifying on the imaging sensor inside camera module
Fill light to occur with receiving structure, based on the structure, light occurs the control with receiving structure with reference to the control module on mobile terminal
System, it is possible to achieve be infected with pick-up lens the detection of soiled condition, and needing wiping camera lens effectively to remind user, together
When avoid because camera lens have it is dirty caused by take pictures effect difference and because user frequently wipes camera lens and caused by asking of scratching of camera lens
Topic.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement
Protection domain of the present utility model is also should be regarded as with retouching.
Claims (9)
1. a kind of camera module, applied to mobile terminal, the camera module includes：Lens assembly, connection substrate
(1) imaging sensor (2) and with the connection substrate (1) electrically connected, it is characterised in that described image sensor
(2) light source generator (21) and a light source receiver (22), light source generator (21) the light direction direction are installed in
The lens assembly, and the light of the light source generator (21) transmitting, after being reflected through the lens assembly, are incident to the light
Source receiver (22).
2. camera module according to claim 1, it is characterised in that
The connection substrate (1) includes memory and processor, and the memory is electrically connected with the processor, and is prestored
Optical signal parameters；The processor is electrically connected with the light source receiver (22), and contrast is incident to the light of light source receiver (22)
The optical signal parameters of signal and memory storage.
3. camera module according to claim 1, it is characterised in that
The connection substrate (1) also includes reminiscences, and the reminiscences is electrically connected with processor.
4. camera module according to claim 1, it is characterised in that
The connection substrate (1) also includes timer, and the timer is electrically connected with processor.
5. camera module according to claim 1, it is characterised in that the light source generator (21) is located at described image
The first predeterminated position in the middle part of sensor (2).
6. camera module according to claim 1, it is characterised in that the light source receiver (22) is located at described image
The second predeterminated position in the middle part of sensor (2), and it is separated by pre-determined distance with the light source generator (21).
7. camera module according to claim 1, it is characterised in that the lens assembly includes：
Voice coil motor；
In the voice coil motor, and the camera lens (3) being connected with the voice coil motor；
It is arranged on the infrared fileter (4) of the camera lens (3) bottom；And,
The pedestal (5) being connected with the voice coil motor；
Wherein, the infrared fileter (4) includes：It is available for first area and second area that infrared light is passed through, firstth area
Domain is corresponding with the light source generator (21) position, the second area and the light source receiver (22) position
It is corresponding；
The pedestal (5) is fixedly connected with the connection substrate (1)；
Described image sensor (2) is located at the pedestal (5) inside, and described image sensor (2) position and the mirror
Head (3) position is relative.
8. camera module according to claim 7, it is characterised in that described image sensor (2) is located at the circuit
In connecting substrate (1), and electrically connected with the connection substrate (1).
9. a kind of mobile terminal, including control module, it is characterised in that also include：As described in any one of claim 1~8
Camera module, the control module is electrically connected with the connection substrate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720079852.3U CN206481367U (en) | 2017-01-22 | 2017-01-22 | A kind of camera module and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720079852.3U CN206481367U (en) | 2017-01-22 | 2017-01-22 | A kind of camera module and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206481367U true CN206481367U (en) | 2017-09-08 |
Family
ID=59754775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720079852.3U Active CN206481367U (en) | 2017-01-22 | 2017-01-22 | A kind of camera module and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206481367U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020038060A1 (en) * | 2018-08-22 | 2020-02-27 | Oppo广东移动通信有限公司 | Laser projection module and control method therefor, and image acquisition device and electronic apparatus |
| CN112672017A (en) * | 2020-12-24 | 2021-04-16 | 上海炬佑智能科技有限公司 | Test structural part, ToF device and lens contamination detection method |
| CN115361542A (en) * | 2022-10-24 | 2022-11-18 | 潍坊歌尔电子有限公司 | Projector cleanliness self-checking method, device, equipment and storage medium |
-
2017
- 2017-01-22 CN CN201720079852.3U patent/CN206481367U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020038060A1 (en) * | 2018-08-22 | 2020-02-27 | Oppo广东移动通信有限公司 | Laser projection module and control method therefor, and image acquisition device and electronic apparatus |
| CN112672017A (en) * | 2020-12-24 | 2021-04-16 | 上海炬佑智能科技有限公司 | Test structural part, ToF device and lens contamination detection method |
| CN115361542A (en) * | 2022-10-24 | 2022-11-18 | 潍坊歌尔电子有限公司 | Projector cleanliness self-checking method, device, equipment and storage medium |
| CN115361542B (en) * | 2022-10-24 | 2023-02-28 | 潍坊歌尔电子有限公司 | Projector cleanliness self-checking method, device, equipment and storage medium |
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