Optical detection device of focusing lens assembly
By introducing a defogging component and a temperature-conducting ring into the optical inspection device, the fogging problem caused by changes in ambient temperature is solved, ensuring stable light transmission, improving detection accuracy, providing dust protection, and extending the device's service life.
Patent Information
- Application Number
- CN202520693294.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-14
AI Technical Summary
During optical inspection, changes in ambient temperature can cause fogging in the optical inspection device, affecting light intensity and the accuracy of the inspection results.
An optical detection device with a defogging component, a temperature-conducting ring, and a high-definition protective lens was designed. The protective lens is heated by a miniature heating ring to keep its temperature above the dew point to prevent fog formation, and a protective component is provided to protect the lens when not in use.
It ensures that light passes through along the expected optical path, improving the accuracy of detection results, and provides dust protection when not in use, extending the maintenance cycle of the device.
Smart Images

Figure CN223910475U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to optical detection device technical field, concretely is a kind of optical detection device of focusing lens assembly. BACKGROUND
[0002] The optical detection device of focusing lens assembly is a kind of professional equipment specially used to detect the optical performance of focusing lens assembly, is widely used in many optical-related industries and fields, in lens manufacturing industry, it is the key equipment to control lens product quality, can carry out sampling inspection or full inspection to lens on production line, ensure that factory lens meets specifications;In optical instrument assembly link, it can help detect the optical performance of focusing lens assembly in instruments and equipment such as microscope, telescope, camera, video camera, etc., to protect the imaging quality of whole instrument after assembly;In the maintenance and repair scene of optical equipment, it can be judged whether lens assembly appears performance degradation, damage and other conditions by detection, wherein in order to facilitate detection, it can be easily carried to different production lines in production workshop according to actual demand, to carry out real-time detection to focusing lens assembly being produced, or to be taken to laboratory, repair site and other different environments to detect lens assembly in different states and different sources, without being limited to fixed detection site, improve the flexibility and practicality of detection.
[0003] When using, it is usually necessary to carry detection device to production workshop or corresponding position, to carry out sampling inspection to focusing lens assembly, and then to detect corresponding samples, but in actual detection process, if the temperature of the environment where optical detection receiver is located changes, it is easy to cause fogging phenomenon, causing the attenuation of light intensity when testing, affecting the accurate analysis of optical signal and the judgment of detection result. Therefore, it is necessary to design a kind of optical detection device of focusing lens assembly with strong practicability and anti-fog effect. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of optical detection device of focusing lens assembly to solve the problems raised in the above background.
[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of optical detection device of focusing lens assembly, including carrying light source frame, the upper side of the inner wall of the carrying light source frame is fixedly connected with hollow groove block, the inner wall of the hollow groove block is slidably connected with adjusting block, the inner wall of the hollow groove block is provided with the driving assembly matched with the adjusting block, the lower side of the adjusting block is fixedly connected with assembly plate, the lower side of the assembly plate is fixedly connected with electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with detection plate, the lower side of the detection plate is fixedly connected with optical detection receiver;
[0006] The lower side of the detection plate is fixedly connected with a heat insulation cylinder located outside the optical detection receiver, the lower side of the heat insulation cylinder is fixedly connected with a temperature guide ring, the inner wall of the temperature guide ring is fixedly connected with a high-definition protective lens, the lower side of the detection plate and outside the temperature guide ring is fixedly connected with a defogging box, the inside of the defogging box is provided with a defogging assembly, and the lower side of the defogging box is provided with a protection assembly.
[0007] According to the above technical scheme, the driving assembly comprises a driving screw rod rotationally fitted in the inner wall of the hollow groove block, and a driving motor fixedly connected to one side of the hollow groove block and fixedly connected with the driving screw rod, and the adjusting block is threadedly fitted on the outer side of the driving screw rod.
[0008] According to the above technical scheme, the defogging assembly comprises a controller fixedly connected to one side of the inner wall of the defogging box, a micro-heating ring fixedly connected to one side of the controller, a mounting hole opened in one side of the defogging box, and a squeeze switch fixedly connected to the inner wall of the mounting hole, and the squeeze switch and the controller are electrically connected.
[0009] According to the above technical scheme, the protection assembly comprises two support plates fixedly connected to the lower side of the defogging box, a rotating rod rotationally fitted in the inner wall of the two support plates, and a protective plate fixedly connected to the rotating rod and matched with the lower side of the defogging box, and the protective plate is matched with the squeeze switch.
[0010] According to the above technical scheme, the protection assembly further comprises a turnover block fixedly connected to one side of the rotating rod, a bolt threadedly fitted on the turnover block, and two stress grooves opened in one side of one of the two support plates, and the two stress grooves and the bolt are matched.
[0011] According to the above technical scheme, the lower side of the assembly plate is fixedly connected with two limiting cylinders, and the upper side of the detection plate is fixedly connected with a limiting rod slidably fitted with the two limiting cylinders.
[0012] According to the above technical scheme, one side of the defogging box is fixedly connected with a temperature controller, one side of the temperature controller is fixedly connected with a temperature sensor extending to the inner wall of the defogging box, and the temperature controller and the controller are electrically connected.
[0013] 1.The utility model discloses a defogging assembly, temperature guide ring, defogging box, high-definition protective lens are set up, can realize opening extrusion switch to make the controller heat micro -heating ring, the inside temperature of defogging box is raised, and the high -definition protective lens is heated through the conduction of temperature guide ring to make it always higher than the dew point temperature of surrounding air, can prevent the high -definition protective lens from fogging in the process of moving, ensure that light can accurately penetrate the lens along the expected light path, improve the stable reliable of detection light path, and then improve the accuracy of detection result.
[0014] 2.The utility model discloses a protection assembly is set up, can realize when using after, can be separated from the force slot through the rotation bolt, then to the rotation rod operation, makes its bolt overturn two hundred and seventy degrees and inserts into another force slot, makes the protection board rotate to the downside of defogging box, can realize the protection of defogging box and the high -definition protective lens in, improve the dustproof effect of non -use time ACCURACY
[0015] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application, and do not limit the present application. In the drawings:
[0016] Figure 1 It is the whole structure schematic diagram of the utility model;
[0017] Figure 2 It is the local three -dimensional section structure schematic diagram of the utility model;
[0018] Figure 3 It is the Figure 2 Enlarged structure schematic diagram of A place in the utility model;
[0019] Figure 4 It is the protection board development three -dimensional schematic diagram of the utility model;
[0020] Figure 5 It is the Figure 4 Enlarged schematic diagram of B place in the utility model;
[0021] In the figure: 1, carrying light source frame; 2, empty groove block; 3, adjusting block; 4, drive assembly; 401, drive screw; 402, drive motor; 5, assembly plate; 6, electric telescopic rod; 7, detection plate; 8, optical detection receiver; 9, heat insulation cylinder; 10, temperature guide ring; 11, high-definition protective lens; 12, defogging box; 13, defogging assembly; 131, controller; 132, miniature heating ring; 133, mounting hole; 134, extrusion switch; 14, protection assembly; 141, support plate; 142, rotating rod; 143, protective plate; 144, turnover block; 145, bolt; 146, stress groove; 15, limiting cylinder; 16, limiting rod; 17, temperature controller; 18, temperature sensor. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0023] Please refer to Figures 1-5 The utility model provides technical scheme: a kind of optical detection device of focusing lens assembly, including carrying light source frame 1, the bottom of the inner wall of carrying light source frame 1 can be provided with multiple detection light source, when detecting, realize detection by cooperation between emitting light source and optical detection receiver 8, the upper side of the inner wall of carrying light source frame 1 is fixedly connected with empty groove block 2, the inner wall of empty groove block 2 is slidably connected with adjusting block 3, the inner wall of empty groove block 2 is provided with the drive assembly 4 matched with adjusting block 3, the lower side of adjusting block 3 is fixedly connected with assembly plate 5, the lower side of assembly plate 5 is fixedly connected with electric telescopic rod 6, the output end of electric telescopic rod 6 is fixedly connected with detection plate 7, the lower side of detection plate 7 is fixedly connected with optical detection receiver 8;
[0024] The lower side of detection plate 7 is fixedly connected with heat insulation cylinder 9 located at the outer side of optical detection receiver 8, the lower side of heat insulation cylinder 9 is fixedly connected with temperature guide ring 10, the inner wall of temperature guide ring 10 is fixedly connected with high-definition protective lens 11, detection plate 7 lower side and located at the outer side of temperature guide ring 10 are fixedly connected with defogging box 12, defogging box 12 is provided with defogging assembly 13 in the inside, and the lower side of defogging box 12 is provided with protection assembly 14.
[0025] Please refer to Figure 3The drive assembly 4 includes a drive screw 401 rotatably fitted on the inner wall of the empty slot block 2, a drive motor 402 fixedly connected to one side of the empty slot block 2 and fixedly connected to the drive screw 401, and an adjustment block 3 threadedly fitted on the outer side of the drive screw 401. The drive motor 402 drives the drive screw 401 to rotate, and the drive screw 401 can drive the adjustment block 3 to move, thereby changing the position of the high-definition protective lens 11 and aligning it with different light sources between the light source holder 1 and the light source holder 1.
[0026] Please see Figure 3 The defogging assembly 13 includes a controller 131 fixedly connected to one side of the inner wall of the defogging chamber 12, a miniature heating ring 132 fixedly connected to one side of the controller 131, a mounting hole 133 opened on one side of the defogging chamber 12, and a squeeze switch 134 fixedly connected to the inner wall of the mounting hole 133. The squeeze switch 134 and the controller 131 are electrically connected. When the squeeze switch 134 is squeezed, it can control the controller 131 to open the miniature heating ring 132 and heat it to a certain temperature. The temperature is then evenly conducted to the heat-conducting ring 10 inside the defogging chamber 12, so that the heat-conducting ring 10 heats the high-definition protective lens 11.
[0027] Please see Figure 5 The protective assembly 14 includes two support plates 141 fixedly connected to the lower side of the defogger box 12, a rotating rod 142 rotatably engaged with the inner wall of the two support plates 141, and a protective plate 143 fixedly connected to the rotating rod 142 and engaged with the lower side of the defogger box 12. The protective plate 143 is engaged with the squeeze switch 134. When the protective plate 143 is rotated to the bottom of the defogger box 12, it can protect the bottom. When it is rotated to the side of the defogger box 12, it can unfold the high-definition protective lens 11 and squeeze it with the squeeze switch 134 to open the miniature heating ring 132.
[0028] Please see Figure 4 The protective assembly 14 also includes a flip block 144 fixedly connected to one side of the rotating rod 142, a pin 145 threaded onto the flip block 144, and two force grooves 146 opened on one side of one of the two support plates 141. The two force grooves 146 and the pin 145 cooperate with each other. By inserting the pin 145 into different force grooves 146, the rotating rod 142 and the protective plate 143 can be rotated for adjustment and fixation.
[0029] Please see Figure 1 Forehead Figure 2 Two limiting cylinders 15 are fixedly connected to the lower side of the assembly plate 5, and a limiting rod 16 that slides with the two limiting cylinders 15 is fixedly connected to the upper side of the detection plate 7. When the electric telescopic rod 6 presses the detection plate 7, the limiting rod 16 slides inside the corresponding limiting cylinder 15, which can guide the detection plate 7 and improve the stability of movement.
[0030] Please refer to Figure 3 and Figure 4 , one side of the demisting box 12 is fixedly connected with a temperature controller 17, one side of the temperature controller 17 is fixedly connected with a temperature sensor 18 extending to the inner wall of the demisting box 12, the temperature controller 17 and the controller 131 are electrically connected, the temperature inside the demisting box 12 can be detected through the temperature sensor 18, and the temperature controller 17 controls the demisting assembly 13 to realize the precision of the temperature control of the inside of the demisting box 12.
[0031] The implementation principle of the present application is that: in use, first, the carrying light source frame 1 is moved to the position to be detected, then the focusing lens assembly to be detected is placed on the corresponding light position on the inner wall of the carrying light source frame 1, the light source is emitted through the lower side, and the cooperation between the focusing lens assembly and the optical detection receiver 8 is passed, so that the focusing lens assembly can be detected, which is the basic detection principle of optical detection;
[0032] The high-definition protective lens 11 can protect the optical detection receiver 8, reduce the contact between dust, moisture and other impurities and the optical detection receiver 8, and the extrusion switch 134 is extruded by the protective plate 143, so that the controller 131 heats the micro heating ring 132, the inside of the demisting box 12 is heated, the high-definition protective lens 11 is uniformly heated through the conduction of the temperature conducting ring 10, the high-definition protective lens 11 is always higher than the dew point temperature of the surrounding air, the high-definition protective lens 11 can prevent fogging during movement, ensure that light can accurately pass through the lens along the expected light path to reach the optical detector and other subsequent components, make the light path for detection stable and reliable, and thus improve the accuracy of the detection result, and the detection plate 7 is moved by the electric telescopic rod 6 to adjust the distance from the detected part;
[0033] When the use is finished, the plug 145 can be separated from the stress slot 146, then the rotating rod 142 is operated to make the plug 145 turn two hundred and seventy degrees and insert into another stress slot 146, so that the protective plate 143 is rotated to the lower side of the demisting box 12, the demisting box 12 and the high-definition protective lens 11 inside can be protected, the dustproof effect during non-use is improved, and the maintenance period is reduced, when the device is used, the protective plate 143 is rotated to the vertical state, the extrusion switch 134 is extruded by the protective plate 143, so that the micro heating ring 132 can be heated as soon as the protective plate 143 is opened, the device ensures that fog is not caused by forgetting to open the micro heating ring 132 during daily detection, and the power supply of the device can be connected with the corresponding portable power supply to supply power to the internal components.
[0034] It should be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0035] Finally, it should be noted that the above-described embodiments are merely possible embodiments of the present application, and thus are not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can still be modified or equivalent replaced by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An optical detection device for focusing a lens assembly, comprising a carrier frame (1) for a light source, characterized in that: The upper side of the carrying light source frame (1) is fixedly connected with an empty groove block (2), the inner wall of the empty groove block (2) is slidably connected with an adjusting block (3), the inner wall of the empty groove block (2) is provided with a driving assembly (4) matched with the adjusting block (3), the lower side of the adjusting block (3) is fixedly connected with an assembly plate (5), the lower side of the assembly plate (5) is fixedly connected with an electric telescopic rod (6), the output end of the electric telescopic rod (6) is fixedly connected with a detection plate (7), the lower side of the detection plate (7) is fixedly connected with an optical detection receiver (8). The lower side of the detection plate (7) is fixedly connected with a heat insulation cylinder (9) located outside the optical detection receiver (8), the lower side of the heat insulation cylinder (9) is fixedly connected with a temperature guide ring (10), the inner wall of the temperature guide ring (10) is fixedly connected with a high-definition protective lens (11), the lower side of the detection plate (7) and outside the temperature guide ring (10) is fixedly connected with a defogging box (12), the inside of the defogging box (12) is provided with a defogging assembly (13), and the lower side of the defogging box (12) is provided with a protection assembly (14).
2. The optical detection device of a focusing lens assembly according to claim 1, wherein: The driving assembly (4) comprises a driving lead screw (401) rotatably matched in the inner wall of the empty groove block (2), and a driving motor (402) fixedly connected on one side of the empty groove block (2) and fixedly connected with the driving lead screw (401), and the adjusting block (3) is threadedly matched on the outside of the driving lead screw (401).
3. The optical detection device of claim 1, wherein: The defogging assembly (13) comprises a controller (131) fixedly connected on one side of the inner wall of the defogging box (12), a micro-heating ring (132) fixedly connected on one side of the controller (131), a mounting hole (133) opened on one side of the defogging box (12), and a squeeze switch (134) fixedly connected on the inner wall of the mounting hole (133), and the squeeze switch (134) and the controller (131) are electrically matched.
4. The optical detection device of claim 3, wherein: The protection assembly (14) comprises two support plates (141) fixedly connected on the lower side of the defogging box (12), a rotating rod (142) rotatably matched in the inner wall of the two support plates (141), and a protection plate (143) fixedly connected on the rotating rod (142) and matched with the lower side of the defogging box (12), and the protection plate (143) is matched with the squeeze switch (134).
5. The optical detection device of claim 4, wherein: The protection assembly (14) further comprises a turnover block (144) fixedly connected on one side of the rotating rod (142), a bolt (145) threadedly matched on the turnover block (144), and two stress grooves (146) opened on one side of one of the two support plates (141), and the two stress grooves (146) and the bolt (145) are matched.
6. The optical detection device of claim 1, wherein: The lower side of the assembly plate (5) is fixedly connected with two limiting cylinders (15), and the upper side of the detection plate (7) is fixedly connected with a limiting rod (16) slidably matched with the two limiting cylinders (15).
7. The optical detection device of claim 3, wherein: One side of the demisting box (12) is fixedly connected with a temperature controller (17), one side of the temperature controller (17) is fixedly connected with a temperature sensor (18) extending to the inner wall of the demisting box (12), and the temperature controller (17) and the controller (131) are electrically connected.