CN204854624U - Quick measuring device in position - Google Patents
Quick measuring device in position Download PDFInfo
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- CN204854624U CN204854624U CN201520400999.9U CN201520400999U CN204854624U CN 204854624 U CN204854624 U CN 204854624U CN 201520400999 U CN201520400999 U CN 201520400999U CN 204854624 U CN204854624 U CN 204854624U
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Abstract
The utility model relates to a quick measuring device in position for survey the position of light beam, including formation of image screen subassembly and camera, the one end of formation of image screen subassembly is located to the camera, and the one end that the camera was kept away from to formation of image screen subassembly is equipped with the formation of image screen, and one side that the formation of image baffle is close to the camera is located including formation of image baffle and filter coating, filter coating to the formation of image screen, and the formation of image baffle has the printing opacity effect to the visible light, and the filter coating has absorption to the visible light that is less than light beam place wavelength, and camera and formation of image screen are relatively and establish. Above -mentioned quick measuring device in position, light beam shine and form the facula on the formation of image screens, and the facula is behind the filter coating, and the camera acquires the image of facula, calculates the actual two -dimentional physical location that obtains the light beam through image processing and measuring technique. Because quick measuring device in position adopts the camera directly to acquire the image of facula to make quick measuring device in position simple structure, because the facula filters through the filter coating for the camera obtains more accurate facula image, thereby improves quick measuring device in position's measurement accuracy.
Description
Technical field
The utility model relates to Detection Techniques field, particularly relates to the quick measurement mechanism in a kind of position.
Background technology
Laser has the advantages such as peak power is strong, pulse width, and along with the development of laser technique, laser instrument is more and more extensive in the application in the fields such as industry, medical treatment and scientific research, in its application process, usually needs accurately to measure the beam-pointing of laser.
The quick measurement mechanism in position is a kind of photoelectric device of the light spot position sensitivity to inciding on photosurface, and it exports the actual physical location coordinate of luminous point hot spot.The quick measurement mechanism in existing position adopts semiconductor sensitive element mostly, the spot intensity be radiated on photosurface and displacement are converted to electric signal, to realize position sensing, complex structure, to the spot intensity received and dimensional requirement higher, thus higher to the performance requirement of device.
Utility model content
Based on this, be necessary to provide the simple position of a kind of structure quick measurement mechanism.
The quick measurement mechanism in a kind of position, for the position of detecting light beam, for the position of detecting light beam, comprise imaging screen assembly and camera, one end of described imaging screen assembly is located at by described camera, described imaging screen assembly is provided with imaging screen away from one end of described camera, described imaging screen comprises imaging baffle plate and filter coating, described filter coating is located at described imaging baffle plate near the side of described camera, described imaging baffle plate has printing opacity effect to visible ray, described filter coating has absorption to the visible ray being less than described light beam place wavelength, and described camera is relative with described imaging screen and establish.
The quick measurement mechanism of upper rheme, for the position of detecting light beam, light beam irradiation forms hot spot on described imaging screen, and hot spot is after filter coating, and camera obtains the image of hot spot, is calculated the actual two-dimensional physical position of light beam by image procossing and measuring technique.Because the quick measurement mechanism in position adopts camera directly to obtain the image of hot spot, calculated the actual two-dimensional physical position of light beam by image procossing and measuring technique, thus make position quick measurement mechanism structure simple; Because hot spot is through optical filtering membrane filtration light, makes camera can obtain more accurate light spot image, thus improve the measuring accuracy of the quick measurement mechanism in position.Upper rheme quick measurement mechanism structure is simple, measuring accuracy is high, has in the industrial production and applies more widely.
Wherein in an embodiment, described camera comprises camera lens, and described camera lens is established towards described imaging screen, and the optical axis of described camera lens is vertical with described imaging screen.
Wherein in an embodiment, described camera also comprises optical filter, and described optical filter is located between the camera lens of described camera and described imaging screen assembly, and described optical filter has printing opacity effect to described light beam.
Wherein in an embodiment, the quick measurement mechanism of institute's rheme also comprises phase machine base, and described camera is located on described phase machine base.
Wherein in an embodiment, described imaging screen assembly comprises shell, and described shell has cavity, and described imaging screen is located in the cavity of described shell, forms light path in described cavity between described camera and described imaging screen.
Wherein in an embodiment, the measurement range that the size of described imaging screen assembly can need according to light beam adjusts.
Wherein in an embodiment, described imaging baffle plate is rigid plastic sheet visible ray to printing opacity effect.
Wherein in an embodiment, described camera is industrial camera.
Wherein in an embodiment, described filter coating is pasted on described imaging baffle plate near the side of described camera.
Wherein in an embodiment, described light beam is laser.
Accompanying drawing explanation
Fig. 1 is the structural representation of the quick measurement mechanism in position of an embodiment.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present utility model more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
With reference to Fig. 1, the quick measurement mechanism 100 in position of one embodiment, for the position of detecting light beam, comprise imaging screen assembly 110 and camera 120, one end of imaging screen assembly 110 is located at by camera 120, imaging screen assembly 110 is provided with imaging screen 111 away from one end of camera 120, imaging screen 111 comprises imaging baffle plate 1112 and filter coating 1114, filter coating 1114 is located at the side of imaging baffle plate 1112 near camera 120, imaging baffle plate 1112 pairs of visible rays have printing opacity effect, filter coating 1114 has absorption to the visible ray being less than light beam place wavelength, and camera 120 is relative with imaging screen 111 and establish.
The quick measurement mechanism 100 of upper rheme, for the position of detecting light beam, light beam irradiation forms hot spot on described imaging screen 111, and hot spot is after filter coating 1114, camera 120 obtains the image of hot spot, is calculated the actual two-dimensional physical position of light beam by image procossing and measuring technique.Because the quick measurement mechanism 100 in position adopts camera 120 directly to obtain the image of hot spot, calculated the actual two-dimensional physical position of light beam by image procossing and measuring technique, thus make position quick measurement mechanism 100 structure simple; Because hot spot filters through filter coating 1114, make camera 120 can obtain more accurate light spot image, thus improve the measuring accuracy of the quick measurement mechanism 100 in position.Upper rheme quick measurement mechanism 100 structure is simple, measuring accuracy is high, has in the industrial production and applies more widely.
Wherein in an embodiment, camera 120 comprises camera lens 121, and camera lens 121 is established towards imaging screen 111, and the optical axis of camera lens 121 is vertical with imaging screen 111, and the camera lens 121 of camera 120 obtains the image of hot spot.
Wherein in an embodiment, camera 120 also comprises optical filter 122, optical filter 122 is located between the camera lens 121 of camera 120 and imaging screen assembly 110, optical filter 122 pairs of light beams have printing opacity effect, and optical filter 122 improves the precision that camera 120 obtains the light spot image that light beam is formed on imaging screen 111 further.Concrete, near the camera lens 121 that optical filter 122 is located at camera 120 or fit with camera 120.
Wherein in an embodiment, the quick measurement mechanism 100 in position also comprises phase machine base 123, and camera 120 is located on phase machine base 123.
Wherein in an embodiment, imaging screen assembly 110 comprises shell, and shell has cavity, and imaging screen 111 is located in the cavity of shell.Form light path between camera 120 and imaging screen 111 in cavity, thus the hot spot that imaging screen 111 is formed is obtained by camera 120.
Wherein in an embodiment, the measurement range that the size of imaging screen assembly 110 can need according to light beam adjusts.Concrete, the size of adjustment imaging screen 111, makes imaging screen 111 size of light spot received to increase with the large-range measuring meeting facula position.Accordingly, in order to make camera 120 obtain the larger light spot image of better scope, also can increase between the camera lens 121 of camera 120 and imaging screen assembly 110 accordingly.
Wherein in an embodiment, imaging baffle plate 1112 is rigid plastic sheet visible ray to printing opacity effect.
Wherein in an embodiment, camera 120 is industrial camera.Concrete, camera 120 is high speed camera.
Wherein in an embodiment, filter coating 1114 is pasted on the side of imaging baffle plate 1112 near camera 120.
Wherein in an embodiment, light beam is laser.Concrete, the wavelength of light beam is 600nm.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. the quick measurement mechanism in position, it is characterized in that, for the position of detecting light beam, comprise imaging screen assembly and camera, one end of described imaging screen assembly is located at by described camera, described imaging screen assembly is provided with imaging screen away from one end of described camera, described imaging screen comprises imaging baffle plate and filter coating, described filter coating is located at described imaging baffle plate near the side of described camera, described imaging baffle plate has printing opacity effect to visible ray, described filter coating has absorption to the visible ray being less than described light beam place wavelength, and described camera is relative with described imaging screen and establish.
2. the quick measurement mechanism in position according to claim 1, is characterized in that, described camera comprises camera lens, and described camera lens is established towards described imaging screen, and the optical axis of described camera lens is vertical with described imaging screen.
3. the quick measurement mechanism in position according to claim 2, is characterized in that, described camera also comprises optical filter, and described optical filter is located between the camera lens of described camera and described imaging screen assembly, and described optical filter has printing opacity effect to described light beam.
4. the quick measurement mechanism in position according to claim 1, is characterized in that, the quick measurement mechanism of institute's rheme also comprises phase machine base, and described camera is located on described phase machine base.
5. the quick measurement mechanism in position according to claim 1, it is characterized in that, described imaging screen assembly comprises shell, and described shell has cavity, described imaging screen is located in the cavity of described shell, forms light path in described cavity between described camera and described imaging screen.
6. the quick measurement mechanism in position according to claim 1, is characterized in that, the measurement range that the size of described imaging screen assembly can need according to light beam adjusts.
7. the quick measurement mechanism in position according to claim 1, is characterized in that, described imaging baffle plate is rigid plastic sheet visible ray to printing opacity effect.
8. the quick measurement mechanism in position according to claim 1, is characterized in that, described camera is industrial camera.
9. the quick measurement mechanism in position according to claim 1, is characterized in that, described filter coating is pasted on described imaging baffle plate near the side of described camera.
10. the quick measurement mechanism in position according to claim 1, is characterized in that, described light beam is laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520400999.9U CN204854624U (en) | 2015-06-10 | 2015-06-10 | Quick measuring device in position |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520400999.9U CN204854624U (en) | 2015-06-10 | 2015-06-10 | Quick measuring device in position |
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| CN204854624U true CN204854624U (en) | 2015-12-09 |
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| CN201520400999.9U Active CN204854624U (en) | 2015-06-10 | 2015-06-10 | Quick measuring device in position |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155038A (en) * | 2021-05-11 | 2021-07-23 | 深圳安锐科技有限公司 | Two-dimensional displacement real-time measurement system based on laser spot position identification |
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2015
- 2015-06-10 CN CN201520400999.9U patent/CN204854624U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155038A (en) * | 2021-05-11 | 2021-07-23 | 深圳安锐科技有限公司 | Two-dimensional displacement real-time measurement system based on laser spot position identification |
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