CN113432842A - Detection device and detection method for detection lens - Google Patents
Detection device and detection method for detection lens Download PDFInfo
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- CN113432842A CN113432842A CN202110714617.XA CN202110714617A CN113432842A CN 113432842 A CN113432842 A CN 113432842A CN 202110714617 A CN202110714617 A CN 202110714617A CN 113432842 A CN113432842 A CN 113432842A
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- 238000001514 detection method Methods 0.000 title claims abstract description 63
- 230000035807 sensation Effects 0.000 claims abstract description 25
- 230000006870 function Effects 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 14
- 239000000523 sample Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 239000011425 bamboo Substances 0.000 description 10
- 239000005387 chalcogenide glass Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
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Abstract
The invention provides a detection device and a detection method for a detection lens, and relates to the technical field of optical detection instruments. The invention has simple structure and convenient use, detects the property of the lens through the property of the light after the light passes through the lens, and effectively utilizes the diffuse reflection property of the light to obtain two groups of data with different light sensation pair differences so as to obtain the lens parameters.
Description
Technical Field
The invention relates to the technical field of optical detection instruments,
in particular, the present invention relates to a detection device and a detection method for a detection lens.
Background
With the development of science and technology, the development of aerospace technology is also changing day by day, the safety requirement of the current aerospace is higher and higher, and the flight safety can be ensured and the danger can be avoided in time by efficiently and accurately detecting the air barrier.
The existing high-altitude detection modes are generally radar detection and optical detection, the radar detection has higher accuracy but higher use cost, and is difficult to use on some small aircrafts; optical detection requires lenses (convex lenses and concave lenses) produced by higher industrial technologies, and the lenses for detection require diopter, light transmittance and other properties to meet preset numerical values so as to ensure the accuracy of optical detection, therefore, before using the detection lens, the optical property of the lens needs to be detected, for example, chinese patent invention CN104459945A provides an objective lens for detecting the homogeneity of chalcogenide glass, which comprises a protective glass, a first lens, a second lens, a third lens and a band-pass filter arranged in sequence at intervals, the first lens, the second lens and the third lens are all bonding lenses with positive focal power, the first lens is formed by bonding a first biconvex lens and a first plano-concave lens, the second lens is formed by bonding a second biconvex lens and a second plano-concave lens, and the third lens is formed by bonding a third biconvex lens and a biconcave lens. The objective lens for detecting the homogeneity of the chalcogenide glass and the detection device with the objective lens have good optical performance, realize the detection of the homogeneity of the chalcogenide glass, and have good imaging quality and stable performance.
However, the above structure of the detection glass still has the following problems: the structure is complicated, the lens is detected through the lens, the detection efficiency is low, errors of the lens for detection cannot be eliminated, the application range of detection is small, and the detection accuracy of the high-precision lens is insufficient.
Therefore, in order to solve the above problems, it is necessary to design a detection lens detection device with reasonable efficiency.
Disclosure of Invention
The invention aims to provide a detection lens detection device which is simple in structure and convenient to use, detects the properties of a lens through the properties of light after the light passes through the lens, effectively utilizes the diffuse reflection property of the light to obtain two groups of data of different light sensation contrast, thereby obtaining lens parameters, is suitable for detecting the properties of various lenses and has high detection accuracy.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
the utility model provides a survey lens detection device, including the bearing part with set up in the high position portion of bearing part top, the bearing part including the ascending open-ended bear a section of thick bamboo, set up in the bearing post that is used for bearing the weight of lens of bearing a section of thick bamboo opening part inside wall and set up in the light source of bearing a section of thick bamboo bottom inside wall, bear a section of thick bamboo lower extreme and be provided with flexible post, high position portion including the downward open-ended high position section of thick bamboo with set up in the function ring of high position section of thick bamboo lower extreme, the internal diameter at function ring middle part is greater than the internal diameter at function ring both ends, function ring inside wall is provided with the reflecting plate, the function ring is close to the inside wall of the one end of bearing a section of thick bamboo is provided with first light receiver, the function ring is close to the inside wall of one end of high position section of thick bamboo is provided with second light receiver, high position section of thick bamboo upper end is provided with be used for with the signal receiver that first light receiver and second light receiver electricity are connected on the high position section of thick bamboo .
Preferably, the number of the first photoreceivers and the number of the second photoreceivers are at least one and are uniformly arranged around the inner wall of the functional ring.
Preferably, the lower end of the telescopic column is provided with a first motor for driving the telescopic column to stretch and retract.
Preferably, the rotating shaft, the high-position cylinder and the functional ring are all coaxially arranged, and a second motor for driving the rotating shaft to rotate is arranged at the upper end of the rotating shaft.
Preferably, the inner side walls of the bearing cylinder and the high-position cylinder are provided with shading coatings.
Preferably, the lower end of the functional ring is provided with a connecting cylinder extending in the direction of the carrier cylinder, and the inner diameter of the connecting cylinder is not smaller than the outer diameter of the carrier cylinder.
Preferably, the number of the light sources is at least one, and the light sources are arranged to irradiate towards the middle part of the lens.
Preferably, the number of the bearing columns is at least one, and the bearing columns are telescopic pieces.
The invention also provides a detection method of the detection device for the detection lens, which is characterized by comprising the following steps:
s1: mounting the bearing part on a base of the detection table through a telescopic rod, and enabling an opening of a bearing barrel of the bearing part to be arranged upwards;
s2: mounting the high-position part on a top seat of the detection table through a rotating shaft, and enabling an opening of a high-position barrel of the high-position part to be arranged downwards;
s3: the telescopic rod is driven to retract so that the bearing part descends, and a lens is placed on the bearing column at the opening of the bearing cylinder;
s4: the telescopic rod is driven to extend to enable the bearing part to ascend until the height of the upper end of the bearing cylinder is the same as that of the bottom end of the functional ring of the high part, and the rotating shaft is driven to drive the high part to rotate;
s5: the signal receiver receives signals of all the first light-sensitive receivers and all the second light-sensitive receivers on the inner wall of the function ring;
s6: acquiring a light sensation contrast between any first light sensation receiver and a second light sensation receiver positioned right above the first light sensation receiver, and acquiring light sensation curves of all the first light sensation receivers and the second light sensation receivers along with time change; and analyzing to obtain qualified parameters of the lens.
In the present invention, preferably, when step S4 is executed, the receiving portion is raised until the upper end of the receiving cylinder is inserted into the connecting cylinder at the lower end of the functional ring.
The detection device and the detection method for the detection lens have the beneficial effects that: simple structure, convenient to use detects the nature of lens through the nature of light after the light passes the lens, and effectively utilizes the diffuse reflection nature of light, obtains two sets of different light senses to poor data to acquire the lens parameter, be applicable to the nature detection of various lenses, detect the accuracy height.
Drawings
FIG. 1 is a schematic diagram illustrating an overall structure of an embodiment of a probing lens detecting device according to the present invention;
FIG. 2 is a schematic structural diagram of a carrier in an embodiment of a probing lens detecting device according to the present invention;
FIG. 3 is a schematic diagram of the structure of the upper portion of the probing lens detecting device according to an embodiment of the invention;
FIG. 4 is a schematic flow chart illustrating a detection method of the probing lens detecting device according to the present invention;
in the figure: 1. the light source device comprises a bearing part, 11, a bearing cylinder, 12, a bearing column, 13, a light source, 14, a telescopic column, 2, a high position part, 21, a high position cylinder, 22, a function ring, 221, a reflecting plate, 222, a first light-sensitive receiver, 223, a second light-sensitive receiver, 23, a rotating shaft, 24, a connecting cylinder, 3 and a lens.
Detailed Description
The following are specific examples of the present invention and further describe the technical solutions of the present invention, but the present invention is not limited to these examples.
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the modules and steps set forth in these embodiments and steps do not limit the scope of the invention unless specifically stated otherwise.
Meanwhile, it should be understood that the flows in the drawings are not merely performed individually for convenience of description, but a plurality of steps are performed alternately with each other.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and systems known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
The first embodiment is as follows: as shown in fig. 1 to 3, which are only one embodiment of the present invention, a detection lens detecting apparatus includes a bearing part 1 and a high part 2 disposed above the bearing part 1, wherein the bearing part 1 includes a bearing cylinder 11 opened upward, a bearing column 12 disposed on an inner side wall of the opening of the bearing cylinder 11 for bearing a lens 3, and a light source 13 disposed on an inner side wall of a bottom of the bearing cylinder 11, a telescopic column 14 is disposed at a lower end of the bearing cylinder 11, the high part 2 includes a high cylinder 21 opened downward and a function ring 22 disposed at a lower end of the high cylinder 21, an inner diameter of a middle portion of the function ring 22 is larger than inner diameters of two ends of the function ring 22, a reflective plate 221 is disposed on an inner side wall of the middle portion of the function ring 22, a first light receiver 222 is disposed on an inner side wall of one end of the function ring 22 close to the bearing cylinder 11, a second light receiver 223 is disposed on an inner side wall of one end of the function ring 22 close to the high cylinder 21, a rotating shaft 23 is arranged at the upper end of the high-position barrel 21, and a signal receiver electrically connected with the first light-sensitive receiver 222 and the second light-sensitive receiver 223 is arranged on the high-position barrel 21.
In the present invention, the carrying cylinder 11 of the carrying part 1 is opened upward, the high-level cylinder 21 of the high-level part 2 is opened downward, the lens 3 is placed at the opening of the carrying cylinder 11 of the carrying part 1, the lens 3 is irradiated upward by the light source 13, light passes through the lens 3 to reach the function ring 22 of the high-level part 2, and the optical property of the lens 3 is detected by an electrical signal converted from the light receiving signals of the first light receiver 222 and the second light receiver 223 on the inner side wall of the function ring 22.
Firstly, the structure of the bearing part 1 is provided, the bearing part 1 includes a bearing cylinder 11 with an upward opening, a bearing column 12 arranged on the inner side wall of the opening of the bearing cylinder 11 and used for bearing the lens 3, and a light source 13 arranged on the inner side wall of the bottom of the bearing cylinder 11, the lower end of the bearing cylinder 11 is provided with a telescopic column 14, the bearing cylinder 11 is opened upward, the bearing column 12 bears the lens 3 and is positioned at the opening of the bearing cylinder 11, the light source 13 is below the lens 3, and thus the light of the light source 13 is emitted upward after passing through the lens 3.
Here, the telescopic column 14 is installed on a base of the detection table, and a first motor for driving the telescopic column 14 to stretch is arranged at the lower end of the telescopic column 14, and the telescopic column 14 is driven by the first motor to stretch and drive the whole bearing part 1 to rise or fall.
Then, the structure of the high position part 2, the high position part 2 comprises a high position cylinder 21 which is opened downwards and a function ring 22 which is arranged at the lower end of the high position cylinder 21, the inner diameter of the middle part of the functional ring 22 is larger than the inner diameters of the two ends of the functional ring 22, the inner side wall of the middle part of the functional ring 22 is provided with a reflecting plate 221, the inner side wall of the functional ring 22 near one end of the carrying cylinder 11 is provided with a first light receiver 222, the inner side wall of the functional ring 22 near one end of the high-position barrel 21 is provided with a second light receiver 223, the upper end of the high-position cylinder 21 is provided with a rotating shaft 23, the high-position cylinder 21 is opened downwards, the lower end of the high-position cylinder 21 is provided with a function ring 22, the middle of the function ring 22 is wide, the two ends of the function ring 22 are narrow, the two ends of the function ring 22 are respectively provided with a first light-sensitive receiver 222 and a second light-sensitive receiver 223, and light of the light source 13 passes through the lens 3 and then is received by the first light-sensitive receiver 222 and the second light-sensitive receiver 223.
Here, the upper end of the rotating shaft 23 is mounted on the top seat of the detection table, the rotating shaft 23, the high-position barrel 21 and the function ring 22 are all coaxially arranged, and the upper end of the rotating shaft 23 is provided with a second motor for driving the rotating shaft 23 to rotate. The rotating shaft 23, the high-position barrel 21 and the function ring 22 are driven to rotate coaxially by a second motor.
Finally, the lens 3 is detected, and a signal receiver for electrically connecting with the first light-sensitive receiver 222 and the second light-sensitive receiver 223 is arranged on the high-position barrel 21.
The first photo receiver 222 is located on the inner sidewall of the lower end of the function ring 22, so that the first photo receiver 222 actually receives the light emitted from the upper side; on the contrary, the second photo receiver 223 is located on the inner sidewall of the upper end of the function ring 22, so that the first photo receiver 222 actually receives the light emitted from the lower side, and the first photo receiver 222 and the second photo receiver 223 convert the received photo signals into electrical signals and send the electrical signals to the signal receiver on the upper cylinder 21.
It should be noted that the inner side walls of the carrying cylinder 11 and the high-level cylinder 21 are both provided with a light-shielding coating, and the inner side wall of the middle portion of the function ring 22 is provided with a reflection plate 221, the reflection plate 221 is disposed between the first light-sensing receiver 222 and the second light-sensing receiver 223, and the light emitted by the light source 13 and passing through the lens 3 actually reaches the second light-sensing receiver 223 first, then is diffusely reflected from the light at the second light-sensing receiver 223 to the reflection plate 221, and finally reaches the first light-sensing receiver 222.
That is, when the upper portion 2 rotates at a high speed, each of the first photo receiver 222 and the second photo receiver 223 rotates around the lens 3, and the optical signal curve of any one of the first photo receiver 222 and the second photo receiver 223 can obtain the optical transparency of the lens 3 and the deviation of the optical transparency at each position of the circumference of the lens 3 every time the lens 3 rotates.
Further, the light-induced contrast between the first light-sensitive receiver 222 and the second light-sensitive receiver 223 can reflect the diopter of the lens 3; when the upper portion 2 rotates at a high speed, the light-to-light difference between any first light-sensitive receiver 222 and the corresponding second light-sensitive receiver 223 changes with time, and the difference curve of the light-to-light difference can reflect the diopter deviation between every two positions of the circumference of the lens 3.
The detection device for the detection lens is simple in structure and convenient to use, detects the property of the lens through the property of light after the light passes through the lens, effectively utilizes the diffuse reflection property of the light to obtain two groups of data of different light sensation contrast, thereby obtaining the lens parameters.
In the second embodiment, as also shown in fig. 1 to 3, which is only one embodiment of the present invention, based on the first embodiment, in the detecting lens detecting device of the present invention, firstly, the number of the first photo-receivers 222 and the second photo-receivers 223 is at least one and is uniformly arranged around the inner wall of the function ring 22.
Then, a connecting cylinder 24 extending toward the direction of the carrier cylinder 11 is provided at the lower end of the functional ring 22, and the inner diameter of the connecting cylinder 24 is not smaller than the outer diameter of the carrier cylinder 11. When the lens 3 is inspected, the carrier 1 must be raised to such an extent that the upper end of the carrier cylinder 11 is inserted into the connecting cylinder 24 at the lower end of the functional ring 22.
Also, the number of the light sources 13 is at least one, and the light sources 13 are disposed to irradiate toward the middle of the lens 3.
Finally, the number of the bearing columns 12 is at least one, and the bearing columns 12 are telescopic pieces and can bear lenses 3 with different specifications for detection.
In a third embodiment, the present invention further provides a detection method of a detection lens detection apparatus in all the above embodiments, including the following steps:
s1: mounting the bearing part on a base of the detection table through a telescopic rod, and enabling an opening of a bearing barrel of the bearing part to be arranged upwards;
s2: mounting the high-position part on a top seat of the detection table through a rotating shaft, and enabling an opening of a high-position barrel of the high-position part to be arranged downwards;
s3: the telescopic rod is driven to retract so that the bearing part descends, and a lens is placed on the bearing column at the opening of the bearing cylinder;
s4: the telescopic rod is driven to extend to enable the bearing part to ascend until the height of the upper end of the bearing cylinder is the same as that of the bottom end of the functional ring of the high part, and the rotating shaft is driven to drive the high part to rotate;
s5: the signal receiver receives signals of all the first light-sensitive receivers and all the second light-sensitive receivers on the inner wall of the function ring;
s6: acquiring a light sensation contrast between any first light sensation receiver and a second light sensation receiver positioned right above the first light sensation receiver, and acquiring light sensation curves of all the first light sensation receivers and the second light sensation receivers along with time change; and analyzing to obtain qualified parameters of the lens.
Then, when step S4 is executed, the receiving portion is raised until the upper end of the receiving cylinder is inserted into the connecting cylinder at the lower end of the functional ring.
The detection device and the detection method for the detection lens are simple in structure and convenient to use, the property of the detection lens is detected through the property of light after the light passes through the detection lens, the diffuse reflection property of the light is effectively utilized, two groups of data with different light sensation contrast are obtained, and accordingly the lens parameters are obtained.
The present invention is not limited to the above-described specific embodiments, and various modifications and variations are possible. Any modifications, equivalents, improvements and the like made to the above embodiments in accordance with the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A probe lens inspection device, comprising: comprises a bearing part (1) and an elevated part (2) arranged above the bearing part (1), wherein the bearing part (1) comprises a bearing cylinder (11) with an upward opening, a bearing column (12) arranged on the inner side wall of the opening of the bearing cylinder (11) and used for bearing a lens (3), and a light source (13) arranged on the inner side wall of the bottom of the bearing cylinder (11), a telescopic column (14) is arranged at the lower end of the bearing cylinder (11), the elevated part (2) comprises an elevated cylinder (21) with a downward opening and a function ring (22) arranged at the lower end of the elevated cylinder (21), the inner diameter of the middle part of the function ring (22) is larger than the inner diameters of the two ends of the function ring (22), a reflecting plate (221) is arranged on the inner side wall of the middle part of the function ring (22), a first light-sensitive receiver (222) is arranged on the inner side wall of one end, close to the bearing cylinder (11), of the function ring (22), the inner side wall of one end, close to the high-position barrel (21), of the function ring (22) is provided with a second light-sensitive receiver (223), the upper end of the high-position barrel (21) is provided with a rotating shaft (23), and a signal receiver which is used for being electrically connected with the first light-sensitive receiver (222) and the second light-sensitive receiver (223) is arranged on the high-position barrel (21).
2. The inspection device of claim 1, wherein: the number of the first light-sensitive receivers (222) and the number of the second light-sensitive receivers (223) are at least one and are uniformly arranged around the inner wall of the function ring (22).
3. The inspection device of claim 1, wherein: the lower end of the telescopic column (14) is provided with a first motor for driving the telescopic column (14) to stretch.
4. The inspection device of claim 1, wherein: the rotating shaft (23), the high-position cylinder (21) and the functional ring (22) are coaxially arranged, and a second motor used for driving the rotating shaft (23) to rotate is arranged at the upper end of the rotating shaft (23).
5. The inspection device of claim 1, wherein: and shading coatings are arranged on the inner side walls of the bearing cylinder (11) and the high-position cylinder (21).
6. The inspection device of claim 1, wherein: the lower end of the functional ring (22) is provided with a connecting cylinder (24) extending towards the bearing cylinder (11), and the inner diameter of the connecting cylinder (24) is not less than the outer diameter of the bearing cylinder (11).
7. The inspection device of claim 1, wherein: the number of the light sources (13) is at least one, and the light sources (13) are arranged towards the middle part of the lens (3) in an illuminating mode.
8. The inspection device of claim 1, wherein: the number of the bearing columns (12) is at least one, and the bearing columns (12) are telescopic pieces.
9. The inspection method of an inspection device for inspection glasses according to any one of claims 1 to 8, comprising the steps of:
s1: mounting the bearing part on a base of the detection table through a telescopic rod, and enabling an opening of a bearing barrel of the bearing part to be arranged upwards;
s2: mounting the high-position part on a top seat of the detection table through a rotating shaft, and enabling an opening of a high-position barrel of the high-position part to be arranged downwards;
s3: the telescopic rod is driven to retract so that the bearing part descends, and a lens is placed on the bearing column at the opening of the bearing cylinder;
s4: the telescopic rod is driven to extend to enable the bearing part to ascend until the height of the upper end of the bearing cylinder is the same as that of the bottom end of the functional ring of the high part, and the rotating shaft is driven to drive the high part to rotate;
s5: the signal receiver receives signals of all the first light-sensitive receivers and all the second light-sensitive receivers on the inner wall of the function ring;
s6: acquiring a light sensation contrast between any first light sensation receiver and a second light sensation receiver positioned right above the first light sensation receiver, and acquiring light sensation curves of all the first light sensation receivers and the second light sensation receivers along with time change; and analyzing to obtain qualified parameters of the lens.
10. The inspection method of an inspection lens inspection apparatus according to claim 9, wherein:
in step S4, the carrier section is raised to the position where the upper end of the carrier cylinder is inserted into the connector cylinder at the lower end of the functional ring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110714617.XA CN113432842A (en) | 2021-06-26 | 2021-06-26 | Detection device and detection method for detection lens |
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| CN202110714617.XA CN113432842A (en) | 2021-06-26 | 2021-06-26 | Detection device and detection method for detection lens |
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