CN108828873B - Imaging device and imaging correction state switching mechanism thereof - Google Patents
Imaging device and imaging correction state switching mechanism thereof Download PDFInfo
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- CN108828873B CN108828873B CN201810972613.XA CN201810972613A CN108828873B CN 108828873 B CN108828873 B CN 108828873B CN 201810972613 A CN201810972613 A CN 201810972613A CN 108828873 B CN108828873 B CN 108828873B
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- 238000003384 imaging method Methods 0.000 title claims abstract description 190
- 238000012937 correction Methods 0.000 title claims abstract description 48
- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- 238000009434 installation Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 11
- 238000003702 image correction Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007704 transition Effects 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 description 13
- 239000000306 component Substances 0.000 description 6
- 238000001931 thermography Methods 0.000 description 6
- 238000009529 body temperature measurement Methods 0.000 description 4
- 239000008358 core component Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003331 infrared imaging Methods 0.000 description 1
- 238000012423 maintenance 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
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/08—Shutters
- G03B9/28—Roller blind or flexible plate
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Abstract
The invention discloses an imaging correction state switching mechanism of imaging equipment, which comprises an installation frame connected with an equipment shell, a driving rotating shaft and a driven rotating shaft arranged in the installation frame, a roller shutter with two ends respectively wound on the driving rotating shaft and the driven rotating shaft and used as a temperature reference surface during imaging correction, and a driving part arranged in the installation frame and used for driving the driving rotating shaft to rotate so as to roll the roller shutter, wherein an imaging window corresponding to an imaging target surface of an imaging machine core is arranged on the roller shutter. So, through the drive of drive unit to the initiative pivot, drive and roll up the curtain and carry out reciprocal roll up in initiative pivot and driven spindle, at the roll up in-process of curtain, through the position transition change of formation of image window and formation of image target surface, can make the formation of image core realize smoothly that the imaging shoots and the mode switch of formation of image correction, occupation space is less, and equipment volume is less to improve the temperature correction accuracy nature. The invention also discloses an imaging device, which has the beneficial effects as described above.
Description
Technical Field
The present invention relates to the field of imaging devices, and in particular, to an imaging correction state switching mechanism for an imaging device. The present invention also relates to an image forming apparatus including the above-described imaging correction state switching mechanism.
Background
The imaging devices are of various types, and mainly comprise cameras, video cameras, special professional imaging machines and the like. Taking a thermal imager as an example, the thermal imager is mainly used for imaging and temperature measurement, and infrared imaging has wide application in the fields of monitoring, fire prevention, detection and the like due to the advantages of clear imaging, temperature measurement and the like.
Be provided with the formation of image core on thermal imaging system, the accessible infrared ray etc. is imaged to conveniently carry out the temperature measurement to the object. Generally, after imaging output is performed through the imaging core, image correction needs to be performed on the imaging core to ensure accurate and reliable imaging temperature in the next imaging. Thus, the thermal imager has two modes of operation, imaging and calibration states. In order to facilitate the switching of the operating modes of the thermal imaging camera, a shutter assembly is generally used in the thermal imaging camera.
At present, a shutter assembly of a thermal imaging camera mainly has two switching modes of a swing link type and a hinge type.
The single-blade swing rod type imaging device is characterized in that only one imaging blade is arranged on the single-blade swing rod type imaging device, the uniformity of the surface temperature of the imaging blade is high, the imaging blade can be used as a good temperature correction reference surface, the motion space range of the blade is very large, the blade needs to be swung circumferentially in a reciprocating mode when the working mode is switched, the occupied space is too large, the installation space inside the device is wasted, and the imaging device is not beneficial to miniaturization and portability.
Hinge formula shutter subassembly small, weight are little, portable, but have set up two blades simultaneously, and in the switching process of operating mode, need constantly switch two blades, two blades interfere each other, influence, and the temperature uniformity of blade is low, is unsuitable to use as the temperature correction reference surface. The thermal infrared imager measures temperature accurately by means of thermal radiation of a measurement target, the correction reference surface is required to have high temperature consistency, the size requirement can only be sacrificed at present, and the requirement of accurate temperature measurement is met by adopting a single-blade swing rod type shutter assembly.
With the development of the infrared thermal imaging technology, the miniature infrared thermal imaging thermometer is urgently required, and the requirements of a novel shutter assembly which is small in size and high in blade temperature consistency are strong.
Therefore, how to reduce the size of the imaging device and improve the temperature correction accuracy on the basis of smoothly switching the imaging and correction states of the imaging device is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide an imaging correction state switching mechanism of imaging equipment, which can reduce the volume of the imaging equipment and improve the temperature correction accuracy on the basis of smoothly realizing the imaging and correction state switching of the imaging equipment. Another object of the present invention is to provide an image forming apparatus including the above-described image formation correction state switching mechanism.
In order to solve the above technical problem, the present invention provides an imaging correction state switching mechanism for an imaging device, including an installation frame connected to a device housing, a driving rotation shaft and a driven rotation shaft arranged in the installation frame, a roller blind having two ends respectively wound around the driving rotation shaft and the driven rotation shaft and used as a temperature reference surface during imaging correction, and a driving member arranged in the installation frame and used for driving the driving rotation shaft to rotate so as to roll the roller blind, wherein an imaging window corresponding to an imaging target surface of an imaging device core is opened on the roller blind.
Preferably, the mounting frame is detachably connected to the device housing by means of connectors provided on its outer wall.
Preferably, an upper cover plate used for being buckled to form a closed cavity is arranged on the mounting frame.
Preferably, the bottom plate of the mounting frame is provided with an imaging through hole corresponding to an imaging target surface of the imaging core, the imaging window and the imaging through hole are in the same shape, and the area of the imaging window is smaller than or equal to that of the imaging through hole.
Preferably, the imaging through hole and the imaging window are rectangular.
Preferably, the driving rotating shaft is erected at the top end of the imaging through hole, and the driven rotating shaft is erected at the bottom end of the imaging through hole.
Preferably, a driven gear is sleeved on the end portion of the driving rotating shaft, and a driving gear for meshing transmission with the driven gear is sleeved on an output shaft of the driving component.
Preferably, the driving member is embodied as a stepping motor.
The invention also provides imaging equipment, which comprises an equipment shell, an imaging movement arranged in the equipment shell and an imaging correction state switching mechanism arranged in the equipment shell, wherein the imaging correction state switching mechanism is specifically the imaging correction state switching mechanism.
The invention provides an imaging correction state switching mechanism of an imaging device, which mainly comprises an installation frame, a driving rotating shaft, a driven rotating shaft, a roller shutter and a driving part. The mounting frame is a main structure of an imaging correction state switching mechanism (hereinafter referred to as "switching mechanism"), and is mainly used for mounting and carrying the rest parts of the mechanism. Initiative pivot and driven spindle all set up in the installation frame, and roll up the one end winding of curtain and in the initiative pivot, roll up the other end winding of curtain and in the driven spindle. The roller shutter is a core component of the switching mechanism and is mainly used as a temperature reference surface when the imaging movement is in an imaging correction state. Meanwhile, the roller shutter is provided with an imaging window which is mainly used for corresponding to an imaging target surface of the imaging machine core, so that the imaging machine core can image smoothly. The driving component is arranged in the mounting frame and is mainly used for driving the driving rotating shaft to rotate in the forward direction or the reverse direction so as to enable the roller shutter to roll on the driving rotating shaft and the driven rotating shaft gradually during the rotation of the driving rotating shaft. In the rolling process of the roller shutter, when the imaging window on the roller shutter corresponds to the imaging target surface of the imager core, the imager core can normally image the detected object through the imaging window. When the roller shutter continues to roll and the imaging window is completely separated from the imaging target surface of the imaging machine core, the roller shutter body shields the imaging target surface of the imaging machine core at the moment, and the roller shutter can be used as a temperature reference surface during imaging correction. Therefore, the imaging correction state switching mechanism of the imaging device drives the driving rotating shaft to drive the roller shutter to perform reciprocating rolling on the driving rotating shaft and the driven rotating shaft through the driving of the driving part, and can enable the imaging machine core to smoothly realize the switching of the imaging shooting and the imaging correction working modes through the direction transfer change of the imaging window and the imaging target surface in the rolling process of the roller shutter.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is an exploded view of an overall structure of a camera core in an imaging operation mode according to an embodiment of the present invention.
Fig. 2 is an exploded view of the whole structure of the camera core in the calibration operation mode according to an embodiment of the present invention.
Wherein, in fig. 1-2:
the imaging device comprises an installation frame-1, an imaging through hole-101, a driving rotating shaft-2, a driven rotating shaft-3, a roller shutter-4, an imaging window-401, a driving part-5, a connector-6, an upper cover plate-7, a driven gear-8 and a driving gear-9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, fig. 1 is an exploded view of an overall structure of an imaging core in an imaging operation mode according to an embodiment of the present invention, and fig. 2 is an exploded view of an overall structure of an imaging core in a calibration operation mode according to an embodiment of the present invention.
In one embodiment provided by the present invention, an image correction state switching mechanism of an image forming apparatus mainly includes a mounting frame 1, a driving rotation shaft 2, a driven rotation shaft 3, a roll screen 4, and a driving member 5.
The mounting frame 1 is a main structure of an imaging correction state switching mechanism (hereinafter referred to as "switching mechanism"), and is mainly used for mounting and carrying the rest of components of the mechanism.
The driving rotating shaft 2 and the driven rotating shaft 3 are both arranged in the installation frame 1, one end of the rolling curtain 4 is wound on the driving rotating shaft 2, and the other end of the rolling curtain 4 is wound on the driven rotating shaft 3. The roller shutter 4 is a core component of the present switching mechanism, and is mainly used as a temperature reference surface when the imager core is in an imaging correction state. Meanwhile, an imaging window 401 is arranged on the roller shutter 4, and the imaging window 401 is mainly used for corresponding to an imaging target surface of the imaging machine core, so that the imaging machine core can image smoothly.
The driving part 5 is disposed in the mounting frame 1 and mainly serves to drive the driving shaft 2 to rotate in a forward or reverse direction so that the roll screen 4 is gradually rolled on the driving shaft 2 and the driven shaft 3 during the rotation of the driving shaft 2. During the rolling process of the roller shutter 4, when the imaging window 401 on the roller shutter 4 corresponds to the imaging target surface of the imager core, the imager core can normally image the detected object through the imaging window 401. When the roller shutter 4 continues to roll and the imaging window 401 is completely separated from the imaging target surface of the imager core, the roller shutter 4 body shields the imaging target surface of the imager core, and the roller shutter 4 can be used as a temperature reference surface during imaging correction.
So, imaging correction state switching mechanism of imaging device that this embodiment provided, drive through drive part 5 to initiative pivot 2, drive roll curtain 4 and carry out reciprocal rolling on initiative pivot 2 and driven spindle 3, in the roll curtain 4's roll process, through the direction shift change of formation of image window 401 and formation of image target surface, can make the image core realize smoothly that formation of image shoots and the mode switch of formation of image correction, compare in prior art, because the flexible curly nature of roll curtain 4, only need carry out reciprocal rolling on initiative pivot 2 and driven spindle 3, can realize the formation of image core and correct the mode switch of working, need not additionally to set up unnecessary blade, occupation space is less, the equipment volume is less, and avoid the mutual influence of multi-disc blade, improve the temperature correction accuracy.
It should be noted that the driving part 5 may also drive the active shaft 2 in reverse after the calibration state is finished, so that the roller shutter 4 rolls in reverse and gradually resets, thereby putting the imager core in the imaging operation mode again. In this way, the driving component 5 drives the driving rotating shaft 2 to rotate forward and backward, so that the imaging machine core is switched between the imaging working mode and the correction working mode in a reciprocating and circulating manner.
Considering that the imaging window 401 formed on the roller shutter 4 needs to be completely aligned with the imaging target surface of the imaging camera when the imaging camera is in the imaging working mode, in order to improve the accuracy of the two, in this embodiment, the driving component 5 may be specifically a stepping motor, and the driving state of the driving component 5 may be accurately controlled by a control unit of the imaging device, so that the rolling length, the rolling speed, the position of the imaging window 401, the reset position, and the like of the roller shutter 4 are accurate.
Further, in order to enable the driving member 5 to smoothly transmit power to the roller shutter 4 through the transmission chain, the driving gear 9 is sleeved on the output shaft of the driving member 5, and the driven gear 8 is sleeved on the end of the driving shaft 2, and obviously, the driving gear 9 and the driven gear 8 can form a meshing transmission. So set up, drive unit 5 can be through the gear drive mechanism that driving gear 9 and driven gear 8 formed with power transmission to initiative pivot 2 on, and then make roll up curtain 4 and roll up on initiative pivot 2 and driven pivot 3, because gear drive's drive ratio is accurate, transmission efficiency is high, the transmission is stable, consequently can further improve drive unit 5 to the control accuracy of the roll up state of roll up curtain 4.
Of course, the specific structure of the transmission chain in the embodiment is not limited to the above-mentioned gear transmission mechanism, and other mechanisms such as a chain transmission mechanism or a belt transmission mechanism can be used as well.
In addition, in order to smoothly realize the imaging operation of the imaging core on the object to be measured, the present embodiment opens the imaging through hole 101 on the bottom plate of the mounting frame 1, the imaging through hole 101 has the same shape as the imaging window 401 provided on the roller shutter 4, and the area of the imaging window 401 is smaller than or equal to the area of the imaging through hole 101. With such an arrangement, when the imaging core is in the imaging working mode, the detection light emitted by the imaging core can firstly pass through the imaging window 401 and then be emitted out through the imaging through hole 101. At this time, when the rolling shutter 4 is rolled in place, the imaging window 401, the imaging target surface, and the imaging through hole 101 are coaxially arranged in the same line. Of course, the structure of the imaging through hole 101 may be omitted from the bottom plate of the mounting frame 1, and the bottom plate of the mounting frame 1 may be a transparent plate.
Further, the imaging window 401 formed on the roller shutter 4 and the imaging through hole 101 formed on the bottom plate of the mounting frame 1 may be both rectangular, such as rectangular, etc. At this moment, for the convenience of the imaging window 401 set on the roller shutter 4 corresponding to the imaging target surface of the movement and the imaging through hole 101 of the bottom plate sash of the mounting frame 1, the driving rotating shaft 2 can be erected at the top end position of the imaging through hole 101, and the driven rotating shaft 3 is erected at the bottom end position of the imaging through hole 101, so that the driving rotating shaft 2 and the driven rotating shaft 3 are horizontally arranged at different heights, the roller shutter 4 can be rolled in the vertical direction on the two, and therefore in the vertical rolling process of the roller shutter, the imaging window 401 is conveniently hovered at the correct position.
Of course, the specific shapes of the imaging through hole 101 and the imaging window 401 may also be circular and the like, and may be changed according to the actual situation. Meanwhile, the driving shaft 2 and the driven shaft 3 may be respectively erected at left and right sides of the imaging through hole 101.
Moreover, in order to facilitate the installation of the installation frame 1 and facilitate the disassembly and maintenance, the embodiment provides a connector 6 on the outer wall of the installation frame 1, and the connector 6 is mainly used to match with a jack on the device housing, so as to fix the installation frame 1 to the device housing. When the mounting frame 1 needs to be detached, the connector 6 is only required to be pulled out after being unlocked from the jack.
In addition, considering that the whole parts of the imaging device are large in quantity and complex in installation structure, in order to prevent the parts outside the installation frame 1 from affecting the normal rolling of the roller shutter 4, the installation frame 1 is provided with the upper cover plate 7 in the embodiment, and the upper cover plate 7 can completely buckle the opening of the installation frame 1, so as to form a closed cavity by matching with the bottom plate and the side wall.
The embodiment further provides an imaging device, which mainly includes a device housing, an imaging core disposed in the housing device, and an imaging correction state switching mechanism disposed in the housing device, where specific contents of the imaging correction state switching mechanism are the same as those described above, and are not described herein again.
It should be noted that the imaging device described in this embodiment specifically refers to an infrared thermal imager. Of course, the imaging correction state switching mechanism in the present embodiment is also applicable to the remaining types of imaging apparatuses.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An imaging correction state switching mechanism of an imaging device is characterized by comprising an installation frame (1) connected with a device shell, a driving rotating shaft (2) and a driven rotating shaft (3) arranged in the installation frame (1), a roller shutter (4) with two ends respectively wound on the driving rotating shaft (2) and the driven rotating shaft (3) and used as a temperature reference surface during imaging correction, and a driving part (5) arranged in the mounting frame (1) and used for driving the driving rotating shaft (2) to rotate so as to roll the roller shutter (4), an imaging window (401) corresponding to the imaging target surface of the imaging machine core is arranged on the roller shutter (4), to cause normal imaging of the imager core when the imaging window (401) is aligned with an imaging target, and enabling the imaging movement to carry out imaging correction when the imaging window (401) is separated from the imaging target surface.
2. The imaging correction state switching mechanism according to claim 1, wherein the mounting frame (1) is detachably attached to the apparatus housing through a connector (6) provided on an outer wall thereof.
3. The imaging correction state switching mechanism according to claim 2, wherein the mounting frame (1) is provided with an upper cover plate (7) for being buckled to form a closed cavity.
4. The imaging correction state switching mechanism according to any one of claims 1 to 3, wherein a bottom plate of the mounting frame (1) is provided with an imaging through hole (101) corresponding to an imaging target surface of an imaging engine core, the imaging window (401) and the imaging through hole (101) have the same shape, and the area of the imaging window (401) is smaller than or equal to the area of the imaging through hole (101).
5. The imaging correction state switching mechanism according to claim 4, wherein the imaging through hole (101) and the imaging window (401) are each rectangular.
6. The mechanism of claim 4, wherein the driving shaft (2) is mounted at the top end of the imaging through hole (101), and the driven shaft (3) is mounted at the bottom end of the imaging through hole (101).
7. The imaging correction state switching mechanism according to claim 6, wherein a driven gear (8) is sleeved on an end of the driving rotation shaft (2), and a driving gear (9) for meshing transmission with the driven gear (8) is sleeved on an output shaft of the driving member (5).
8. The imaging correction state switching mechanism according to claim 7, characterized in that the driving member (5) is specifically a stepping motor.
9. An imaging apparatus comprising an apparatus case, an imaging engine provided in the apparatus case, and an imaging correction state switching mechanism provided in the apparatus case, characterized in that the imaging correction state switching mechanism is specifically the imaging correction state switching mechanism according to any one of claims 1 to 8.
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| CN201810972613.XA CN108828873B (en) | 2018-08-24 | 2018-08-24 | Imaging device and imaging correction state switching mechanism thereof |
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| CN201810972613.XA CN108828873B (en) | 2018-08-24 | 2018-08-24 | Imaging device and imaging correction state switching mechanism thereof |
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| CN108828873B true CN108828873B (en) | 2020-12-01 |
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| CN206434341U (en) * | 2016-11-14 | 2017-08-25 | 北京大学深圳医院 | Box x-ray imaging device |
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| US1075751A (en) * | 1913-02-08 | 1913-10-14 | John Barberie | Means for converting an ordinary roll-film camera into a focal-plane-shutter camera. |
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Denomination of invention: An imaging device and its imaging correction state switching mechanism Effective date of registration: 20230113 Granted publication date: 20201201 Pledgee: Yantai Branch of China Merchants Bank Co.,Ltd. Pledgor: Yantai Airui Photo-Electric Technology Co.,Ltd. Registration number: Y2023980031040 |
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Application publication date: 20181116 Assignee: INFIRAY TECHNOLOGIES CO.,LTD. Assignor: Yantai Airui Photo-Electric Technology Co.,Ltd. Contract record no.: X2024980006380 Denomination of invention: An imaging device and its imaging correction state switching mechanism Granted publication date: 20201201 License type: Common License Record date: 20240530 |
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