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CN-121977794-A - Refraction calibration device for vehicle-mounted optical lens

CN121977794ACN 121977794 ACN121977794 ACN 121977794ACN-121977794-A

Abstract

The invention relates to the field of refraction calibration of vehicle-mounted optical lenses, and particularly discloses a refraction calibration device for the vehicle-mounted optical lenses, which comprises a base, supporting legs, a bracket, a feeding mechanism, supporting rods, a fixed positioning mechanism and a shading mechanism, wherein the supporting legs are fixedly connected to the positions of four corners and edges of the bottom of the base, the bracket is fixedly connected to the middle part of the rear part of the top of the base, the refraction calibration device for the vehicle-mounted optical lenses is characterized in that a knob is rotated to enable a threaded rod to descend to drive a connecting ring to descend to enable a second installation seat to descend to drive a connecting rod to deflect, so that a first installation seat drives a moving box to move, a clamping plate moves simultaneously to fix and position the lenses, fixing of different lenses is facilitated, applicability of the device is improved, the clamping plate moves simultaneously to enable the lenses to be always positioned in the middle part of the bottom of a placing groove, deviation is avoided, and measurement calibration accuracy is prevented from being influenced.

Inventors

  • ZHAN WENFENG

Assignees

  • 上饶市晶鑫光学元件有限公司

Dates

Publication Date
20260505
Application Date
20240318

Claims (10)

  1. 1. The refraction calibration device for the vehicle-mounted optical lens is characterized by comprising a base (100), supporting legs (200), a bracket (300), a feeding mechanism (400), a supporting rod (500), a fixed positioning mechanism (600) and a shading mechanism (700), wherein the supporting legs (200) are fixedly connected to the positions of four corners of the bottom of the base (100), the bracket (300) is fixedly connected to the middle part of the rear part of the top of the base (100), the feeding mechanism (400) is fixedly connected to the top of the base (100), the supporting rod (500) is fixedly connected to the positions of four corners of the top of the feeding mechanism (400), the fixed positioning mechanism (600) is fixedly connected to the top of the supporting rod (500), the shading mechanism (700) is fixedly connected to the top of the fixed positioning mechanism (600), the top of the front side of the bracket (300) is fixedly connected with a connecting plate (310), the front side of the top of the connecting plate (310) is fixedly connected with a display screen (320), the front side of the bottom of the connecting plate (310) is fixedly connected with a light generator (340), the front side of the light receiver (340) is fixedly connected with the front side of the front plate (340), and a bottom of the light generator (330) is opposite to a top of the light receiver (350).
  2. 2. The refraction calibration device for the vehicle-mounted optical lens, as set forth in claim 1, wherein the fixing and positioning mechanism (600) comprises a mounting plate (610), a placing groove (620), a chute (630), a limit groove (640), a limiting block (650), a movable box (660), a compression spring (661), a connecting rod (662), a clamping plate (663), a first mounting seat (670), a connecting rod (671), a threaded rod (680), a connecting ring (681), a second mounting seat (682), a clamping groove (690), a clamping block (691) and a knob (692), the top of the supporting rod (500) is fixedly connected with the mounting plate (610), the middle parts of the left and right sides of the top of the mounting plate (610) are respectively provided with the placing groove (620), the inner side walls of the placing grooves (620) are uniformly provided with the chute (630), the middle parts of the opposite sides of the inner cavities of the chute (630) are provided with the limiting grooves (640), the inside of the limiting grooves (640) are in sliding connection with the limiting block (650), the opposite sides of the two limiting blocks (650) are fixedly connected with the movable box (660), the middle parts of the inner cavity (660) are fixedly connected with the compression spring (661) behind the middle parts of the movable box (660), the middle parts of the inner cavities are fixedly connected with the compression spring (661), the other end fixedly connected with splint (663) of connecting rod (662), the first mount pad (670) of top fixedly connected with of remove box (660), the inside rotation of first mount pad (670) is connected with connecting rod (671), the front portion middle part of the top left and right sides of mounting panel (610) runs through sliding connection has threaded rod (680), the equal fixedly connected with go-between (681) in top of threaded rod (680), bottom four corners limit position department fixedly connected with second mount pad (682) of go-between (681), draw-in groove (690) have been seted up at the front portion middle part of the bottom left and right sides of mounting panel (610), the inside rotation joint of draw-in groove (690) has fixture block (691), the bottom fixedly connected with knob (692) of fixture block (691).
  3. 3. The refraction calibration device for a vehicle-mounted optical lens of claim 2, wherein a through hole is formed in the middle of the bottom of the placement groove (620), and a rubber pad is fixedly connected to the inner side wall of the clamping plate (663).
  4. 4. The refraction calibration device for an on-vehicle optical lens according to claim 2, wherein said connecting rod (662) is slidably connected to the inside of said movable case (660), and an outer side wall of said connecting rod (662) is fitted to the inside of said movable case (660).
  5. 5. The refraction calibration device for an on-vehicle optical lens according to claim 2, wherein a top end of said connecting rod (671) is rotatably connected to an inside of said second mounting base (682), and said knob (692) is screwed to a bottom of an outer sidewall of said threaded rod (680).
  6. 6. The refraction calibration device for the vehicle-mounted optical lens, as set forth in claim 1, characterized in that the top of the base (100) is fixedly connected with a feeding mechanism (400), the feeding mechanism (400) comprises a moving groove (410), a sliding rod (420), a moving plate (430), a positioning groove (440), a handle (450), a mounting cavity (460), a return spring (470), a clamping plate (480) and a positioning block (490), the moving groove (410) is formed in the middle of the top of the base (100), the sliding rod (420) is fixedly connected to the front and rear parts between the left side and the right side of the moving groove (410), the moving plate (430) is slidably connected to the outer side of the sliding rod (420), the positioning grooves (440) are formed in the middle parts of the left and right parts of the front side and the rear side of the moving plate (430), the handles (450) are fixedly connected to the middle parts of the left and the right ends of the top of the moving plate (430), the mounting cavity (460) are formed in the middle parts of the front and the rear side of the moving groove (410), the sides of the mounting cavity (460) are uniformly connected to the sides far away from each other, the return spring (470) are uniformly connected to the front and the middle parts (480), and the opposite to the middle parts (480).
  7. 7. The refraction calibration device for an on-vehicle optical lens according to claim 6, wherein said moving plate (430) has a length of two thirds of the length of said moving groove (410), and inclined surfaces are provided on both left and right sides of said positioning groove (440) and left and right sides of said positioning block (490).
  8. 8. The refraction calibration device for an on-vehicle optical lens of claim 6, wherein the card (480) is slidably clamped inside the mounting cavity (460), and an outer sidewall of the card (480) is attached to an inner sidewall of the mounting cavity (460).
  9. 9. The refraction calibration device for the vehicle-mounted optical lens of claim 2, wherein the top of the fixed positioning mechanism (600) is fixedly connected with a shading mechanism (700), the shading mechanism (700) comprises a connecting block (710), a containing ring (720), a baffle ring (730), a shading cover (740), a light hole (750), a connecting ring (760), a shrinkage ring (770) and a connecting pipe (780), the middle part of the inner side wall of the connecting ring (681) is fixedly connected with the connecting block (710), the inner side wall of the connecting block (710) is fixedly connected with the containing ring (720), the top of the inner side wall of the containing ring (720) is fixedly connected with the baffle ring (730), the top of the baffle ring (730) is provided with the shading cover (740), the middle part of the top of the shading cover (740) is provided with the light hole (750) in a penetrating way, the inner cavity of the containing ring (720) is in sliding and is clamped with the connecting ring (760), the bottom of the connecting ring (760) is fixedly connected with the shrinkage ring (770), the middle parts of the left and right sides of the bottom of the mounting plate (610) are fixedly connected with the connecting pipe (780), and the center of the circle (780) is the center of the circle (780).
  10. 10. A method for calibrating refraction of an on-vehicle optical lens, the method being implemented by using an on-vehicle optical lens refraction calibrating device according to any one of claims 1 to 9, the method comprising the steps of: S1, fixing a lens, placing the lens in a placing groove (620), rotating a knob (692), enabling a threaded rod (680) to drive a connecting ring (681) to descend, enabling a second mounting seat (682) to descend, driving a connecting rod (671) to deflect, enabling a first mounting seat (670) to drive a moving box (660) to move, enabling a clamping plate (663) to move, and fixing and positioning the lens; S2, when the connecting ring (681) descends, the shrinkage ring (770) descends to be in contact with the top of the mounting plate (610), the placing groove (620) is shielded, and after the fixation is completed, the shading cover (740) is placed on the top of the baffle ring (730) to shade the lens; S3, starting a light generator (330) to emit a light source, enabling the light source to enter a placing groove (620) through a light hole (750), enabling the light source to penetrate through a lens, enabling the light source to penetrate out of a connecting pipe (780), receiving the refracted light through a light receiver (350), performing measurement and calibration of the refractive index through analysis, and displaying a result through a display screen (320); s4, after one lens is measured, pulling the handle (450) to enable the movable plate (430) to move, driving the fixed positioning mechanism (600) to move, enabling the other lens to move to the bottom of the light generator (330) for measurement, simultaneously removing the measured lens, installing the next lens, and repeating the measuring steps.

Description

Refraction calibration device for vehicle-mounted optical lens Technical Field The invention relates to the technical field of refraction calibration of vehicle-mounted optical lenses, in particular to a refraction calibration device of a vehicle-mounted optical lens. Background The optical lens is a path for acquiring light by the vehicle-mounted camera, is a core component for forming the functional performance of the camera, the number of cameras used for imaging at present is dominant in the market, the vehicle-mounted camera has a trend of becoming standard configuration of automobiles, the requirement of the vehicle-mounted camera is high, the imaging effect of the molded aspherical glass lens is excellent, the reliability is high, the molded aspherical glass lens becomes the mainstream choice of the vehicle-mounted camera, and the refractive index of the vehicle-mounted optical lens needs to be checked during the production of the vehicle-mounted optical lens. The Chinese patent with the bulletin number of CN115096849B discloses a nondestructive testing device for refractive index of an optical lens, the nondestructive testing device comprises a base, a support frame is arranged at the top of the base, a light generating mechanism is arranged on one side of the support frame, a light receiving mechanism is arranged at the top of the base, the nondestructive testing device is not interfered by the outside, light is shielded, the protective effect is achieved, the nondestructive testing device reaches the light receiving mechanism to receive the light, and finally the nondestructive testing device is imaged on a display screen to finish the measurement of refractive index of the lens, but the optical lens cannot be positioned and fixed to different optical lenses due to different sizes of the optical lens, and the lens is easy to cause position deviation when placed, and the measurement and calibration of the refractive index are easy to influence. Disclosure of Invention The invention aims to provide a refraction calibration device for a vehicle-mounted optical lens, which aims to solve the problems that in the background technology, different optical lenses cannot be positioned and fixed, the position deviation of the lenses is easy to occur when the lenses are placed, and the measurement and calibration of the refractive index are easy to influence. In order to achieve the above purpose, the invention provides the technical scheme that the refraction calibrating device for the vehicle-mounted optical lens comprises a base, supporting legs, a bracket, a feeding mechanism, a supporting rod, a fixed positioning mechanism and a shading mechanism, wherein the supporting legs are fixedly connected to the positions of four corners and edges of the bottom of the base, the bracket is fixedly connected to the middle part of the rear part of the top of the base, the feeding mechanism is fixedly connected to the top of the base, the supporting rod is fixedly connected to the positions of four corners and edges of the top of the feeding mechanism, the fixed positioning mechanism is fixedly connected to the top of the supporting rod, the shading mechanism is fixedly connected to the top of the fixed positioning mechanism, the front side top of the bracket is fixedly connected with a connecting plate, the front side of the top of the connecting plate is fixedly connected with a display screen, the front side of the bottom of the connecting plate is fixedly connected with a light generator, the front side of the bottom of the bracket is fixedly connected with a fixing plate, and the bottom of the light generator is opposite to the top of the light receiver. As the further description of above-mentioned technical scheme, fixed positioning mechanism includes mounting panel, standing groove, spout, spacing groove, stopper, removes box, compression spring, connecting rod, splint, first mount pad, connecting rod, threaded rod, go-between, second mount pad, draw-in groove, fixture block and knob, the top fixedly connected with mounting panel of bracing piece, the standing groove has all been seted up at the middle part on the top left and right sides of mounting panel, the spout has evenly been seted up to the inside wall of standing groove, the spacing groove has been seted up at the middle part of the inner chamber opposite side of spout, the inside sliding connection of spacing groove has the stopper, two the opposite side fixedly connected with of stopper removes the box, the middle part fixedly connected with compression spring at the inner chamber rear portion of removal box, compression spring's the other end fixedly connected with connecting rod, the other end fixedly connected with splint of connecting rod, the top fixedly connected with first mount pad of removal box, the inside rotation of first mount pad is connected with connecting rod, the front portion middle part of the left and right sides of mounting pa