CN208820904U - A kind of infrared mould group with automatic focusing function - Google Patents
A kind of infrared mould group with automatic focusing function Download PDFInfo
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- CN208820904U CN208820904U CN201821535088.7U CN201821535088U CN208820904U CN 208820904 U CN208820904 U CN 208820904U CN 201821535088 U CN201821535088 U CN 201821535088U CN 208820904 U CN208820904 U CN 208820904U
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- infrared
- mould group
- acquisition component
- interface
- camera lens
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Abstract
The infrared mould group with automatic focusing function that the utility model discloses a kind of.The infrared mould group includes infrared acquisition component；In the camera lens that the front of the infrared acquisition component is coaxially disposed, the front end of the camera lens is provided with temperature sensor；With the voice coil motor of camera lens coaxial arrangement, the moved end of the voice coil motor and the camera lens are rigidly connected, and for the signal according to infrared acquisition component, adjust the relative distance of camera lens and infrared acquisition component, in the axial direction to realize the focusing of infrared acquisition component.The utility model adjusts the relative distance of camera lens and infrared acquisition component using voice coil motor, realizes the automatic focusing of infrared mould group, while reducing the volume of infrared mould group.
Description
Technical field
The utility model belongs to infrared detection field, more particularly, to a kind of infrared mould with automatic focusing function
Group.
Background technique
In infrared industry, in some automatic monitoring, the applications such as unmanned plane load are to there is the infrared of automatic focusing function
There are demands for system, while being influenced by consumer electronics are intelligentized, also there is traditional manual focusing infrared system in infrared product
The trend developed as automatic focusing system.Current infrared system technology of auto exists only in traditional infrared product,
Volume is larger.It there is no the mould group with automatic focusing (AF) function in miniature infrared mould group field.
Traditional infrared focusing be applied in combination using motor-gear or motor-curved groove or motor-screw rod or
Be applied in combination with upper type, motor volume itself is larger, and hardware volume is also larger, cause the overall volume of mould group compared with
Greatly.And infrared mould group is typically required for lesser volume, it is difficult to using conventional red be transferred its applied technology of auto and
Structure can not be transplanted in infrared module system, for the occasion for having automatic focusing demand and limited space or cost are limited,
It is that traditional infrared system is incompetent.
Utility model content
Aiming at the above defects or improvement requirements of the prior art, the utility model provides a kind of infrared mould group, purpose
It is to realize the automatic focusing of infrared mould group using voice coil motor, while reduces the volume of infrared mould group.
To achieve the above object, according to the one aspect of the utility model, a kind of infrared mould group is provided, including
Infrared acquisition component；
In the camera lens that the front of the infrared acquisition component is coaxially disposed, the front end of the camera lens is provided with temperature sensing
Device；
The infrared mould group further includes the voice coil motor with camera lens coaxial arrangement, the moved end of the voice coil motor and institute
Camera lens rigid connection is stated, for the signal according to infrared acquisition component, adjusts the phase of camera lens and infrared acquisition component in the axial direction
It adjusts the distance, to realize the focusing of infrared acquisition component.
Preferably, the camera lens includes
Lens barrel；
Sequentially coaxially in the optical system and shutter assembly of the front end of the lens barrel, temperature is provided on the shutter assembly
The rigidly connected position in moved end of degree sensor, the camera lens and the voice coil motor is the lens barrel.
As it is further preferred that the position that the front end of the camera lens is provided with temperature sensor is the shutter assembly.
Preferably, the infrared acquisition component include coaxial arrangement detector protective cradle, detector protecting window and
Detector, the detector protecting window are set to the front end of the detector, and the detector protective cradle is solid in the circumferential
Determine detector protecting window and detector.
Preferably, it is also coaxially arranged with circuit board at the rear portion of the infrared acquisition component, is provided on the circuit board
First interface, second interface and third interface；The temperature sensor connects first interface by the first connecting line, described infrared
Probe assembly connects second interface by the second connecting line, and the voice coil motor connects third interface by third connecting line；Institute
It states and is provided with the through-hole passed through for first connecting line, the second connecting line and third connecting line on heat dissipation stiffening plate.
As it is further preferred that the rear portion of the infrared acquisition component is also coaxially arranged with heat dissipation stiffening plate.
As it is further preferred that the material of the heat dissipation stiffening plate is phenolic resin or ceramics.
As it is further preferred that being additionally provided with anisotropy conduction between the circuit board and the heat dissipation stiffening plate
Glue film.
As it is further preferred that being also coaxially arranged with sheet metal at the rear portion of the circuit board.
As it is further preferred that be additionally provided with communication module on the circuit board, the first interface, second interface and
Third interface is also connect with communication module.
As it is further preferred that be additionally provided with control module on the circuit board, the first interface, second interface
It is also connect with control module with third interface.
As it is further preferred that the circuit board is flexible circuit board.
The utility model replaces traditional structure to carry out infrared focusing using voice coil motor, thus by infrared detector, camera lens
It is integrated into a mould group with focusing structure, outer dimension can reach 12.6mm × 12.6mm × 8.9mm, thus with the sky of very little
Between realize focusing function, and accelerate the process-cycle, reduce cost.
Using voice coil motor as focusing structure, automatic focusing demand can be can satisfy on the basis of mould group but empty
Between or the limited application of cost, this is that existing infrared focusing structure cannot achieve.
Detailed description of the invention
Fig. 1 is the infrared mould group Longitudinal cross section schematic of the utility model embodiment；
Fig. 2 is the infrared modular structure schematic diagram of the utility model embodiment.
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which: 1- shutter assembly；
1a- shutter interface；2- optical system；3- lens barrel；4- voice coil motor；5- detector protecting window and detector；6- detector is protected
Protect bracket；7- heat dissipation stiffening plate；8- anisotropic conductive film (Anisotropic Conductive Film, ACF)；9- is flexible
Circuit board (FPC)；9a- electric interfaces.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.
The utility model provides a kind of infrared mould group, from bottom to top includes the sheet metal being sequentially coaxially arranged, electricity
Road plate 9, anisotropic conductive film 8, radiate stiffening plate 7, infrared acquisition component and camera lens；Sound is coaxially arranged with the camera lens
Coil motor 4, the moved end of the voice coil motor 4 and the camera lens are rigidly connected, for adjusting camera lens and infrared acquisition in the axial direction
The relative distance of component, to realize the focusing of infrared detector；
Wherein, the camera lens includes lens barrel 3, optical system 2 and shutter assembly 1；The optical system 2 and shutter assembly 1
It is set in turn in the front end of the lens barrel 3, becomes a component after fixing between optical system 2 and lens barrel 3 by dispensing, passes through
Threaded connection is assembled on voice coil motor 4, is provided with thermistor in the shutter assembly 1, to incude as temperature sensor
Temperature at the blade of camera lens front end.
The infrared acquisition component includes detector protective cradle 6, detector protecting window and the detector of coaxial arrangement
5, the detector protecting window is set to the front end of the detector, and the detector protective cradle 6 is fixed in the circumferential to be visited
Survey device and detector protecting window 5.Detector protecting window and detector 5 are by picking up the positioning Mark point on ceramic substrate 7
Post package is on ceramic substrate 7, after detector protective cradle 6 equally passes through the positioning Mark point for picking up and being arranged on ceramic substrate 7
It is encapsulated on ceramic substrate 7, detector protective cradle 6 also can protect detector as the installation pedestal of voice coil motor 4 simultaneously.
The shell of shutter assembly 1 is fixed on heat dissipation stiffening plate 7 by dispensing.It radiates between stiffening plate 7 and circuit board 9,
By anisotropic conductive film 8 that corresponding PAD is corresponding one by one and be attached, realization electrically conducts.
The heat that infrared mould group generates can be directed at extraneous structural member by bottom by heat dissipation stiffening plate 7 and sheet metal, thus
Auxiliary heat dissipation, with the radiating efficiency for improving the infrared mould group of the utility model.Wherein, the embodiment of heat dissipation stiffening plate 7 is
Using PCB circuit board or ceramic substrate, wherein PCB circuit board generallys use paper base circuit board, and (paper base fiber infiltrates phenolic resin
Obtain), therefore, the similar substrate of constituent also has effect same.Since ceramic heat-dissipating performance is better than PCB circuit board, at this
Used in the examples is ceramic substrate；Steel, molybdenum copper or aluminium alloy can be used in the material of sheet metal, wherein molybdenum copper can be same
Guarantee best heat dissipation performance in the case where cost.
Due to the heterogeneity of the infrared acquisition component in infrared mould group, shutter assembly 1 is for timing automatically to infrared
Mould group carries out image rectification, the thermistor to guarantee the quality of the infrared collected infrared image of mould group, built in shutter assembly 1
Blade environment temperature nearby can be measured, provides temperature reference for infrared mould group thermometric.The control interface of shutter assembly 1 can
It, can also independent communication with the outside world to be finally integrated on the circuit board 9 of infrared mould group as desired by heat dissipation stiffening plate 7.
Be provided with shutter interface 1a on the shutter assembly 1, be provided with electric interfaces 9a on the circuit board 9, can respectively with voice coil
Motor 4, the connection of infrared acquisition component, can also be connect with temperature sensor by shutter interface 1a；In the present embodiment, circuit
Plate is using flexible circuit board, in order to carry out cooperation assembly with external module.
When needing to carry out the focusing of infrared mould group；On the radiation data and shutter assembly 1 that infrared acquisition component receives
Thermistor get the temperature data near shutter assembly 1 and can all be sent to control module；Radiation data can control
Image is converted in module, and is judged that the distance between infrared acquisition component 1 and camera lens need to increase by control module and still subtracted
It is small, and adjustment signal is issued to voice coil motor, radiation data understands constant feedback during this period, until obtaining clearly infrared acquisition
Image.Control module both can be set on circuit board 9, also can be set in remote port, and circuit board 9 by communication interface with
The control module of remote port is communicated.
The present embodiment is processed into whole infrared mould group using chip on board encapsulation (COB, Chip on Board), from
And the development cycle is accelerated, cost is reduced, is reduced in size, having a size of 12.6mm × 12.6mm × 8.9mm.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of infrared mould group, which is characterized in that including
Infrared acquisition component；
In the camera lens that the front of the infrared acquisition component is coaxially disposed；
With the voice coil motor of camera lens coaxial arrangement, the moved end of the voice coil motor and the camera lens are rigidly connected, and are used for root
According to the signal of infrared acquisition component, the relative distance of camera lens and infrared acquisition component is adjusted, in the axial direction to realize infrared acquisition
The focusing of component.
2. infrared mould group as described in claim 1, which is characterized in that the camera lens includes
Lens barrel；
Sequentially coaxially in the optical system and shutter assembly of the front end of the lens barrel, temperature biography is provided on the shutter assembly
The rigidly connected position in moved end of sensor, the camera lens and the voice coil motor is the lens barrel.
3. infrared mould group as described in claim 1, which is characterized in that the infrared acquisition component includes the detection of coaxial arrangement
Device protective cradle, detector protecting window and detector, the detector protecting window are set to the front end of the detector, institute
State detector protective cradle fixed detector protecting window and detector in the circumferential.
4. infrared mould group as described in claim 1, which is characterized in that be also coaxially disposed at the rear portion of the infrared acquisition component
There is circuit board, first interface, second interface and third interface are provided on the circuit board；The temperature sensor passes through first
Connecting line connects first interface, and the infrared acquisition component connects second interface by the second connecting line, and the voice coil motor is logical
Cross third connecting line connection third interface；Be provided on the heat dissipation stiffening plate for first connecting line, the second connecting line with
And the through-hole that third connecting line passes through.
5. infrared mould group as claimed in claim 4, which is characterized in that between the infrared acquisition component and the circuit board
Also it is coaxially arranged with heat dissipation stiffening plate.
6. infrared mould group as claimed in claim 5, which is characterized in that the material of the heat dissipation stiffening plate is phenolic resin or pottery
Porcelain.
7. infrared mould group as claimed in claim 5, which is characterized in that between the circuit board and the heat dissipation stiffening plate also
It is provided with anisotropic conductive film.
8. infrared mould group as claimed in claim 4, which is characterized in that be also coaxially arranged with metal at the rear portion of the circuit board
Piece.
9. infrared mould group as claimed in claim 4, which is characterized in that communication module is additionally provided on the circuit board, it is described
First interface, second interface and third interface are also connect with communication module.
10. infrared mould group as claimed in claim 4, which is characterized in that the circuit board is flexible circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821535088.7U CN208820904U (en) | 2018-09-20 | 2018-09-20 | A kind of infrared mould group with automatic focusing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821535088.7U CN208820904U (en) | 2018-09-20 | 2018-09-20 | A kind of infrared mould group with automatic focusing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208820904U true CN208820904U (en) | 2019-05-03 |
Family
ID=66277795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821535088.7U Active CN208820904U (en) | 2018-09-20 | 2018-09-20 | A kind of infrared mould group with automatic focusing function |
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| Country | Link |
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| CN (1) | CN208820904U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946857A (en) * | 2021-03-15 | 2021-06-11 | 东莞先导先进科技有限公司 | Infrared detector module with automatic focusing and resetting correction functions |
| CN114112045A (en) * | 2020-08-28 | 2022-03-01 | 宁波舜宇光电信息有限公司 | Infrared temperature measurement module, terminal equipment and temperature measurement method |
-
2018
- 2018-09-20 CN CN201821535088.7U patent/CN208820904U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112045A (en) * | 2020-08-28 | 2022-03-01 | 宁波舜宇光电信息有限公司 | Infrared temperature measurement module, terminal equipment and temperature measurement method |
| CN112946857A (en) * | 2021-03-15 | 2021-06-11 | 东莞先导先进科技有限公司 | Infrared detector module with automatic focusing and resetting correction functions |
| CN112946857B (en) * | 2021-03-15 | 2023-02-21 | 东莞先导先进科技有限公司 | Infrared detector module with automatic focusing and resetting correction functions |
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