CN107238443A - It is a kind of for thermal infrared imager can the plug-type single film shutter structure of thermometric - Google Patents
It is a kind of for thermal infrared imager can the plug-type single film shutter structure of thermometric Download PDFInfo
- Publication number
- CN107238443A CN107238443A CN201710400022.0A CN201710400022A CN107238443A CN 107238443 A CN107238443 A CN 107238443A CN 201710400022 A CN201710400022 A CN 201710400022A CN 107238443 A CN107238443 A CN 107238443A
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- Prior art keywords
- blade
- magnetic valve
- thermometric
- shutter
- driving lever
- 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.)
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- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 238000001931 thermography Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000003331 infrared imaging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001757 thermogravimetry curve Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
- G01J5/0803—Arrangements for time-dependent attenuation of radiation signals
- G01J5/0804—Shutters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/48—Thermography; Techniques using wholly visual means
- G01J5/485—Temperature profile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J2005/0077—Imaging
Abstract
The present invention relates to it is a kind of for thermal infrared imager can the plug-type single film shutter structure of thermometric, including thermometric chip, shutter protective cover, blade, magnetic valve, solenoid valve control lead, driving lever and fast door shell, focal plane window is offered on the shutter protective cover and fast door shell, magnetic valve is installed on the fast door shell, the magnetic valve is connected on the external circuit board by solenoid valve control lead, the magnetic valve can drive the driving lever to move back and forth, one end of the driving lever and the valve rod of magnetic valve are connected, the other end is connected with the end of the blade, the focal plane window can be closed or opened to the blade, the shutter protective cover is fastened with the fast door shell, the thermometric chip is attached on shutter protective cover, structure is more compact succinct, plug-type vane stability is more preferable, single blade temperature is uniform, in addition, thermometric chip is attached on shutter protective cover, the temperature of blade can accurately be read, basis of reference is provided for the temp sensing function of thermal infrared imager.
Description
Technical field
The present invention relates to a kind of single film shutter structure, more particularly to it is a kind of for thermal infrared imager can the plug-type list of thermometric
Piece shutter structure.
Background technology
Focal plane shutter structure of the present invention is primarily adapted for use in thermal infrared imager, and thermal infrared imager utilizes infrared detector
Receive the infrared energy of measured target radiation with optical imagery object lens, distribution pattern is reflected into the light-sensitive element to infrared detector
On, so as to obtain Infrared Thermogram, this thermography is corresponding with the heat distribution of body surface.Generally thermal infrared imager
The invisible infrared energy that object is sent exactly is changed into visible thermal image.Recently as the continuous hair of infrared technique
Exhibition, various infrared products are to appearance and size and performance requirement also more and more higher.The effectively appearance and size of control product is to whole first
The mass production of individual product has a significant impact, and secondly infrared focus plane carries out thermal imaging, institute mainly by the energy for receiving target emanation
Have a significant impact effectively to measure the extraneous infrared energy amount temperature for entering system to the overall performance for holding product.
Prior art is monolithic pendulum model shutter structure or multiple-piece shutter structure without temp sensing function.
Fig. 1 is monolithic pendulum model shutter structure, includes motor 1, blade 2, focal plane window 3 and support 4.Motor 1 is fixed
In on support 4, blade 2 is fixed on the output shaft of motor 1, and blade 2 rotates under the drive of motor 1, blocks focal plane window
3, so as to realize the closing of light path.Similarly motor 1 is reversely rotated, and is driven blade 2 to leave focal plane window 3, is realized beating for light path
Open, the correction driving part of monolithic pendulum clock formula shutter is mainly made up of motor and return spring, direct current generator longer dimension itself,
In addition return spring, makes shutter volume larger and increases integrally-built complexity, and conventional return spring is general by spiral
Extension spring carries out return, because the deformation of spring is larger, also result in spring life shorter, it is impossible to meet thermal infrared imager product
Use requirement.
Fig. 2,3 are multiple-piece shutter structure, include connection plug 5, control lead 6, preceding protection cap 8, magnetic valve 7, support
4th, focal plane window 3, blade 2, blade separation layer 9, blade protection shell.Control lead 6 and connection plug 5 connect magnetic valve 7
To the external circuit board, control to form two different stable states by the low and high level signal of the external circuit board.The two stable states
It is applied on magnetic valve 7 so that the valve element of magnetic valve 7 is respectively facing two different directions, passes through the connecting rod being connected thereto
The folding of blade 2 is controlled to realize the opening and closing of shutter, contact area of the multiple-piece shutter due to each blade and structure, area
Domain is different, causes heat transfer different, so leaf temperature is uneven, causes the inaccurate of correction, influences the image of infrared imaging
Quality.
In addition, thermometric chip is not added with prior art shutter, so the work(all without measurement target emanation energy temperature
Energy.
The content of the invention
The present invention for above-mentioned the deficiencies in the prior art there is provided a kind of service life is long, small volume, structure letter
It is single, and leaf temperature uniformly for thermal infrared imager can the plug-type single film shutter structure of thermometric.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：It is a kind of for thermal infrared imager can thermometric it is plug-type
Single film shutter structure, including thermometric chip, shutter protective cover, blade, magnetic valve, solenoid valve control lead, driving lever and fast door shell,
Offered on the shutter protective cover and fast door shell and magnetic valve, the electromagnetism are installed on focal plane window, the fast door shell
Valve is connected on the external circuit board by solenoid valve control lead, and the solenoid valve control lead includes connection plug and control is drawn
Line, controls to form two different stable states, the two stable states are applied to electromagnetism by the low and high level signal of the external circuit board
On valve so that the valve element of magnetic valve is respectively facing two different directions, the driving lever is driven to move back and forth；
One end of the driving lever is connected with magnetic valve, and the other end is connected with the end of the blade, and the blade can be closed
The focal plane window is closed or opens, the shutter protective cover is fastened with the fast door shell, and the side of the fast door shell is also opened
The groove moved reciprocatingly provided with blade, the thermometric chip is attached on shutter protective cover, the temperature that the thermometric chip is measured
Lead is passed by temperature to be transferred on the external circuit board.
The beneficial effects of the invention are as follows：Magnetic valve driving lever drives blade movement, realizes the opening and closing of shutter, shutter knot
Structure is more compact succinct, and plug-type vane stability is more preferable and is not easily tied deformation, and service life is longer, and single blade temperature is equal
Even, the calibration result of focal plane is more preferable, so that and temperature measurement accuracy higher to the correction mass of thermal imaging system image is more accurate；Separately
Outside, thermometric chip is attached on shutter protective cover, can accurately reads the temperature of blade, be provided for the temp sensing function of thermal infrared imager
Basis of reference.
Further, the thermometric chip is contactless temperature-measuring chip.
Beneficial effect using above-mentioned further technical scheme is：The contactless temperature-measuring chip of use is during thermometric
The temperature field of tested blade is not destroyed, former thermo parameters method is not influenceed, it is ensured that survey the accuracy of leaf temperature.
Further, the magnetic valve is miniature electromagnetic valve.
Beneficial effect using above-mentioned further technical scheme is：Driving element, shutter knot are used as from miniature electromagnetic valve
Structure is more compact succinct.
Further, the valve rod of one end of the driving lever and magnetic valve rotates connection, the other end and the blade end chute
Connection, the magnetic valve valve rod is provided with a cylinder, and described driving lever one end is set on the cylinder, and the other end is provided with convex
Rise, the blade end is provided with the chute being adapted with the projection.
Beneficial effect using above-mentioned further technical scheme is：Blade ensure that blade displacement path during push-and-pull
Fixation, by the convert rotational motion of driving lever be blade push-and-pull campaign, occupancy structure space it is smaller.
Further, one end of the driving lever is fixedly connected with the valve rod of magnetic valve, the other end and the blade end chute
Connection, one end that the driving lever is connected with blade is provided with the cunning being adapted with the projection provided with projection, the blade end
Groove.
Beneficial effect using above-mentioned further technical scheme is：Magnetic valve valve rod directly drives driving lever to do push-and-pull campaign,
Driving lever drives blade to do push-and-pull campaign, simple in construction.
Brief description of the drawings
Fig. 1 is the structural representation of monolithic pendulum model shutter structure；
Fig. 2 is the three dimensional structure diagram of multiple-piece shutter structure；
Fig. 3 is the two-dimensional structure schematic diagram of multiple-piece shutter structure；
Fig. 4 is structural representation of the invention；
Fig. 5 is explosive view of the invention；
Fig. 6 is the connection diagram of the magnetic valve with driving lever and blade in the present invention；
In the accompanying drawings, the list of designations represented by each label is as follows：1st, motor, 2, blade, 3, focal plane window, 4,
Support, 5, connection plug, 6, control lead, 7, magnetic valve, 8, shutter protective cover, 9, fast door shell, 10, thermometric chip, 11, dial
Bar, 12, warm transmission control lead, 11-1, projection, 2-1, chute.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As Figure 4-Figure 6, it is a kind of for thermal infrared imager can the plug-type single film shutter structure of thermometric, including thermometric core
Piece 10, shutter protective cover 8, blade 2, magnetic valve 7, solenoid valve control lead, driving lever 11 and fast door shell 9, the shutter protective cover 8
The magnetic valve 7 is installed on focal plane window 3, the fast door shell 9 with being offered on fast door shell 9, the magnetic valve 7 passes through
Solenoid valve control lead is connected on the external circuit board, and the solenoid valve control lead includes connection plug 5 and control lead 6,
Control to form two different stable states by the low and high level signal of the external circuit board, the two stable states are applied to the electromagnetism
On valve 7 so that the valve element of magnetic valve 7 is respectively facing two different directions, the driving lever 11 is driven to move back and forth；
One end of the driving lever 11 is connected with magnetic valve 7, and the other end is connected with the end of the blade 2, the energy of blade 2
The focal plane window 3 is enough closed or opens, the shutter protective cover 8 is fastened with the fast door shell 9, the fast door shell 9
Side is further opened with the groove that blade moves reciprocatingly, and the thermometric chip 10 is attached on shutter protective cover 8, the thermometric chip
10 be contactless temperature-measuring chip, is attached to using by contactless temperature-measuring chip on shutter protective cover 8, the thermometric chip 10 is surveyed
The temperature obtained passes lead by temperature and is transferred on the external circuit board, can accurately read the temperature of blade 2, be the survey of thermal infrared imager
Temperature function provides basis of reference.
Magnetic valve driving lever 11 drives blade 2 to move, and realizes the opening and closing of shutter, and shutter structure is more compact succinct, leaf
Piece motion mode is more stable reliable, in addition, thermometric chip 10 is attached on shutter protective cover 8, can accurately read the temperature of blade 2
Degree, basis of reference is provided for the temp sensing function of thermal infrared imager.
The magnetic valve 7 is miniature electromagnetic valve, and whole shutter is from miniature electromagnetic valve as driving element, and shutter structure is more
It is compact succinct.
One end of the driving lever 11 and the valve rod of magnetic valve, which are rotated, to be connected, and the other end is connected with the end chute of blade 2；
The valve rod of magnetic valve 7 is provided with a cylinder, and the end of blade 2 is provided with chute 2-1, and one end of the driving lever 11 is set in
On the cylinder (being not drawn into figure), the other end can set the end of blade 2 provided with projection 11-1, the raised 11-1
Slided in the chute 2-1 at end.
In addition, one end of the driving lever 11 can also be fixedly connected with the valve rod of magnetic valve 7, the other end and the blade 2
End chute connection, the end of blade 2 is provided with chute 2-1, and one end that the driving lever 11 is connected with the end of blade 2 is provided with
Raised 11-1, the raised 11-1 can be slided in the chute 2-1 for setting the end of blade 2.
The operation principle of the present invention is as follows：
Miniature electromagnetic valve with driving lever drives blade 2 to realize plug-type motion, realizes shutter as driving element, driving lever 11
Opening and closing, while the contactless temperature-measuring chip being attached on shutter protective cover 8, the accurate temperature for reading blade 2, is red
The temp sensing function of outer thermal imaging system provides reference basis.
Present invention is mainly used on thermal infrared imager, the thermal infrared imager utilizes infrared detector and optical imagery object lens
Receive the infrared energy of measured target radiation, distribution pattern is reflected onto the light-sensitive element of infrared detector, so as to obtain red
Outer thermography, this thermography is corresponding with the heat distribution of body surface；In shutter trimming process, blade 2 covers burnt flat
During face-port mouthful 3, infrared detector obtains the compensation temperature of blade 2, after blade 2 is opened, and contactless temperature-measuring chip reads blade 2
Temperature, measure temperature and the external circuit board be transferred to by warm transmission control lead.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (5)
1. it is a kind of for thermal infrared imager can the plug-type single film shutter structure of thermometric, it is characterised in that including thermometric chip, fast
Opened on door protection cap, blade, magnetic valve, solenoid valve control lead, driving lever and fast door shell, the shutter protective cover and fast door shell
Provided with focal plane window, magnetic valve is installed on the fast door shell, the magnetic valve is connected to outer by solenoid valve control lead
On portion's circuit board, one end of the driving lever is connected with magnetic valve, and the other end is connected with the end of the blade, and the blade can
The focal plane window is closed or opens, the shutter protective cover is fastened with the fast door shell, and the thermometric chip is attached to soon
In door protection cap.
2. it is according to claim 1 it is a kind of for thermal infrared imager can the plug-type single film shutter structure of thermometric, its feature
It is, the thermometric chip is contactless temperature-measuring chip.
3. it is according to claim 1 it is a kind of for thermal infrared imager can the plug-type single film shutter structure of thermometric, its feature
It is, the magnetic valve is miniature electromagnetic valve.
4. according to claim any one of 1-3 it is a kind of for thermal infrared imager can the plug-type single film shutter knot of thermometric
Structure, it is characterised in that one end of the driving lever and the valve rod of magnetic valve, which are rotated, to be connected, and the other end connects with the blade end chute
Connect, the magnetic valve valve rod is provided with a cylinder, described driving lever one end is set on the cylinder, the other end is provided with convex
Rise, the blade end is provided with the chute being adapted with the projection.
5. according to claim any one of 1-3 it is a kind of for thermal infrared imager can the plug-type single film shutter knot of thermometric
Structure, it is characterised in that one end of the driving lever is fixedly connected with the valve rod of magnetic valve, the other end connects with the blade end chute
Connect, one end that the driving lever is connected with blade is provided with the chute being adapted with the projection provided with projection, the blade end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710400022.0A CN107238443B (en) | 2017-05-31 | 2017-05-31 | It is a kind of for thermal infrared imager can the plug-type single film shutter structure of thermometric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710400022.0A CN107238443B (en) | 2017-05-31 | 2017-05-31 | It is a kind of for thermal infrared imager can the plug-type single film shutter structure of thermometric |
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| CN107238443A true CN107238443A (en) | 2017-10-10 |
| CN107238443B CN107238443B (en) | 2019-07-16 |
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| CN201710400022.0A Active CN107238443B (en) | 2017-05-31 | 2017-05-31 | It is a kind of for thermal infrared imager can the plug-type single film shutter structure of thermometric |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828873A (en) * | 2018-08-24 | 2018-11-16 | 烟台艾睿光电科技有限公司 | A kind of imaging device and its image correction state switching mechanism |
| CN110595631A (en) * | 2019-10-10 | 2019-12-20 | 南京波长光电科技股份有限公司 | Infrared sighting telescope nonuniformity correction shutter device |
| CN115683346A (en) * | 2022-12-30 | 2023-02-03 | 广汉科峰电子有限责任公司 | Non-contact infrared temperature detector |
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| CN201368773Y (en) * | 2009-02-12 | 2009-12-23 | 武汉高德红外股份有限公司 | Novel thermal infrared imager |
| CN102271226A (en) * | 2010-06-07 | 2011-12-07 | 德拉格安全股份两合公司 | Thermal imaging camera with a fast electromechanical shutter device |
| CN203084397U (en) * | 2013-01-15 | 2013-07-24 | 烟台睿创微纳技术有限公司 | Shutter assembly applied to small infrared thermal imager |
| CN205139548U (en) * | 2015-11-02 | 2016-04-06 | 杭州加斯佩科技有限公司 | A shutter structure for thermal imaging system focal plane |
-
2017
- 2017-05-31 CN CN201710400022.0A patent/CN107238443B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002090910A1 (en) * | 2001-05-07 | 2002-11-14 | Flir Systems Ab | Infrared camera system |
| CN201368773Y (en) * | 2009-02-12 | 2009-12-23 | 武汉高德红外股份有限公司 | Novel thermal infrared imager |
| CN102271226A (en) * | 2010-06-07 | 2011-12-07 | 德拉格安全股份两合公司 | Thermal imaging camera with a fast electromechanical shutter device |
| CN203084397U (en) * | 2013-01-15 | 2013-07-24 | 烟台睿创微纳技术有限公司 | Shutter assembly applied to small infrared thermal imager |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828873A (en) * | 2018-08-24 | 2018-11-16 | 烟台艾睿光电科技有限公司 | A kind of imaging device and its image correction state switching mechanism |
| CN108828873B (en) * | 2018-08-24 | 2020-12-01 | 烟台艾睿光电科技有限公司 | Imaging device and imaging correction state switching mechanism thereof |
| CN110595631A (en) * | 2019-10-10 | 2019-12-20 | 南京波长光电科技股份有限公司 | Infrared sighting telescope nonuniformity correction shutter device |
| CN115683346A (en) * | 2022-12-30 | 2023-02-03 | 广汉科峰电子有限责任公司 | Non-contact infrared temperature detector |
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| CN107238443B (en) | 2019-07-16 |
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Denomination of invention: A temperature measuring push-pull single-chip shutter structure for infrared thermal imager Effective date of registration: 20211230 Granted publication date: 20190716 Pledgee: Yantai Branch of China Merchants Bank Co.,Ltd. Pledgor: Yantai Airui Photo-Electric Technology Co.,Ltd. Registration number: Y2021980017076 |
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Date of cancellation: 20230106 Granted publication date: 20190716 Pledgee: Yantai Branch of China Merchants Bank Co.,Ltd. Pledgor: Yantai Airui Photo-Electric Technology Co.,Ltd. Registration number: Y2021980017076 |
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Denomination of invention: A Thermometric Push-pull Monolithic Shutter Structure for Infrared Thermal Imagers Effective date of registration: 20230113 Granted publication date: 20190716 Pledgee: Yantai Branch of China Merchants Bank Co.,Ltd. Pledgor: Yantai Airui Photo-Electric Technology Co.,Ltd. Registration number: Y2023980031040 |
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Granted publication date: 20190716 Pledgee: Yantai Branch of China Merchants Bank Co.,Ltd. Pledgor: Yantai Airui Photo-Electric Technology Co.,Ltd. Registration number: Y2023980031040 |