CN215640045U

CN215640045U - Electric lens reliability tester

Info

Publication number: CN215640045U
Application number: CN202121626060.6U
Authority: CN
Inventors: 周明勇; 李均华; 刘兆豪; 袁忠奎; 邓方明
Original assignee: Shenzhen Nano Measurement Technology Co ltd
Current assignee: Shenzhen Nano Measurement Technology Co ltd
Priority date: 2021-07-17
Filing date: 2021-07-17
Publication date: 2022-01-25
Anticipated expiration: 2031-07-17

Abstract

The utility model discloses an electric lens reliability tester, relating to the technical field of lens testing equipment, comprising an equipment base, wherein a Z-axis upright post is arranged at the upper end of a supporting plate, a Z-axis motion component is arranged on the outer wall of one side of the Z-axis upright post close to an objective table, the Z-axis motion component is connected with a U-shaped clamping seat, a limiting groove is arranged on the side wall of one side of the port of the U-shaped clamping seat, a positioning pin is embedded in the U-shaped clamping seat at the upper end of the limiting groove, the positioning pin penetrates through the inner cavity of the limiting groove and extends to the inner cavity of the limiting groove, a limiting rod is movably sleeved on the outer wall of the positioning pin in the limiting groove, the U-shaped clamping plate is movably connected on the outer wall of one side of the U-shaped clamping seat far away from the limiting groove, a fixed clamping groove is arranged at the position of the U-shaped clamping plate corresponding to the limiting rod, a camera and a lens are clamped in the inner cavity of the fixed clamping groove after the limiting rod is deflected, an end plate at the end of the U-shaped clamping plate is jointed with the outer wall of the U-shaped clamping seat to seal the U-shaped clamping seat and the fixed camera, the lens can be quickly disassembled and assembled so as to be tested.

Description

Electric lens reliability tester

Technical Field

The utility model relates to the technical field of lens test equipment, in particular to an electric lens reliability tester.

Background

The electric zoom lens adopts an electric motor, an integrated control card and control software to adjust the magnification of the lens, and can achieve parfocal by observing real-time pictures of a computer to obtain a novel lens with the clearest picture.

The electric lens is an important component of the image measuring instrument and is related to the imaging effect and the final equipment precision of the image measuring instrument. However, the existing electric lens needs to be installed on a finished product image measuring instrument for direct test, the installation procedure is complex, the lens needs to be fixed first, then the center deviation and the back focus deviation of the lens are corrected, then the multiple times of zoom tests are carried out to complete the reliability evaluation of the electric lens, the work consumes more work hours, if the reliability of the lens is found to be problematic after the work is completed, the lens needs to be disassembled and replaced, the operation flow seriously affects the whole assembly and shipment progress of the image measuring instrument, the quality reliability of the lens cannot be guaranteed, and the equipment failure rate of the image measuring instrument caused by the electric lens is increased.

Therefore, we have introduced an electric lens reliability tester.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric lens reliability tester which is convenient for quickly clamping, dismounting and mounting an electric lens, optimizes the mounting operation process of the electric lens and is convenient for debugging the electric lens, thereby solving the problems brought forward in the background.

In order to achieve the purpose, the utility model provides the following technical scheme: electric lens reliability tester, including the equipment base, its inside operation computer that is provided with, be provided with the display screen on the front end inclined plane of equipment base, computer switch and equipment switch have set gradually on the equipment base inclined plane of display screen both sides, equipment base upper end is provided with the backup pad, the border department that backplate one side was kept away from to the backup pad upper end is provided with the objective table, and the backup pad upper end is close to backplate one side fixedly connected with Z axle stand, be provided with the mounting groove on the outer wall that Z axle stand is close to objective table one side, be provided with Z axle motion subassembly in the mounting groove, the one end of Z axle motion subassembly extends to the mounting groove port outside, its terminal fixedly connected with camera lens fixed subassembly, the inner chamber activity block of camera lens fixed subassembly is fixed with the camera, the bottom of camera is provided with the camera lens, the lower extreme of camera lens is pressed close to the upper end of objective table in suspension.

Furthermore, a heat dissipation grid is arranged on a back plate of the equipment base, and USB data line interfaces are uniformly arranged on the side walls of the back plate of the equipment base on the two sides of the heat dissipation grid.

Further, the display screen is a touch screen type structure and is used for displaying imaging and software interfaces.

Further, the Z-axis movement assembly comprises a motor arranged at the lower end of the top plate of the installation groove and a lead screw connected with the output end of the bottom of the motor, a guide rail is sleeved on the outer wall of the lead screw in a threaded manner, one end of the guide rail extends to the outside of the port of the installation groove, and the tail end of the guide rail is fixedly connected with the lens fixing assembly.

Furthermore, a grating ruler is arranged on the inner wall of one side, away from the port, of the mounting groove, and the grating ruler is used for detecting the movement of the guide rail.

Further, the fixed subassembly of camera lens includes the U type cassette that is connected with the guide rail, has seted up the spacing groove on the lateral wall of U type cassette port one side, and the inside gomphosis of U type cassette of spacing groove upper end has the locating pin, and the locating pin runs through the inner chamber that extends to the spacing groove, and has cup jointed the gag lever post in the activity on the locating pin outer wall of spacing inslot, and swing joint has U type cardboard on the outer wall that spacing groove one side was kept away from to U type cassette, and the corresponding gag lever post department of U type cardboard expansion end is provided with fixed slot.

Furthermore, the limiting rod is of a T-shaped structure, when the U-shaped clamping seat of the U-shaped clamping plate sealing cover is clamped and fixed with the camera, the limiting rod is clamped in the inner cavity of the fixed clamping groove, and the end plate at the tail end of the limiting rod is attached to the outer wall of the U-shaped clamping plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model provides an electric lens reliability tester, wherein a Z-axis upright post is arranged at the upper end of a supporting plate, a mounting groove is arranged on the outer wall of one side of the Z-axis upright post close to an objective table for mounting a Z-axis moving component, the Z-axis moving component is connected with a U-shaped clamping seat, a limiting groove is arranged on the side wall of one side of the port of the U-shaped clamping seat, a positioning pin is embedded in the U-shaped clamping seat at the upper end of the limiting groove, the positioning pin penetrates through the inner cavity of the limiting groove and extends to the inner cavity of the limiting groove, a limiting rod is movably sleeved on the outer wall of the positioning pin in the limiting groove, the U-shaped clamping plate is movably connected on the outer wall of one side of the U-shaped clamping seat far away from the limiting groove, a fixed clamping groove is arranged at the movable end of the U-shaped clamping plate corresponding to the limiting rod, a camera and a lens are clamped in the inner cavity of the U-shaped clamping seat after the limiting rod is deflected, an end plate at the end of the limiting rod is attached to the outer wall of the U-shaped clamping plate, the U-shaped clamping plate for blocking the U-shaped clamping seat and fixing the camera, the camera and the lens are fixed, the rapid disassembly and assembly are convenient, and the test is convenient and rapid.

2. The utility model provides an electric lens reliability tester, wherein a motor is arranged at the lower end of a top plate of a mounting groove, the output end of the bottom of the motor is connected with a screw rod, the motor is a positive and negative rotation asynchronous motor and is electrically connected with an operating computer, a guide rail is sleeved on the outer wall of the screw rod in a threaded manner, one end of the guide rail extends to the outside of a port of the mounting groove, the tail end of the guide rail is fixedly connected with a lens fixing component, a grating ruler is arranged on the inner wall of one side of the mounting groove far away from the port and is used for detecting the movement of the guide rail, the operating computer monitors the movement of the guide rail based on the grating ruler, and the positive and negative rotation of the motor is controlled to be matched with the guide rail to automatically and accurately drive a camera and a lens to move up and down so as to detect the performance of the lens, and the electric lens reliability tester is convenient and practical.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a side view of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. an equipment base; 2. a display screen; 3. a computer power switch; 4. a device power switch; 5. a support plate; 6. an object stage; 7. a Z-axis column; 8. mounting grooves; 9. a Z-axis motion assembly; 91. a motor; 92. a screw rod; 93. a guide rail; 94. a grating scale; 10. a lens fixing assembly; 101. a U-shaped card seat; 102. a limiting groove; 103. positioning pins; 104. a limiting rod; 105. a U-shaped clamping plate; 106. fixing the clamping groove; 11. a camera; 12. a lens; 13. a heat dissipation grid; 14. and a USB data line interface.

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. 1-4, an electric lens reliability tester comprises an apparatus base 1, the apparatus base 1 is a platform of the apparatus, which supports the whole apparatus, and is internally provided with a running computer, a display screen 2 is arranged on the front end inclined plane of the apparatus base 1, the display screen 2 is a touch screen type structure, which is used for displaying an imaging and software interface, a computer power switch 3 and an apparatus power switch 4 are sequentially arranged on the inclined plane of the apparatus base 1 at the two sides of the display screen 2, a supporting plate 5 is arranged at the upper end of the apparatus base 1, an objective table 6 is arranged at the edge of the upper end of the supporting plate 5 far away from the backboard, the objective table 6 is mainly used for placing a lens calibration sheet to calibrate a lens 12, a Z-axis upright post 7 is fixedly connected to the upper end of the supporting plate 5 near the backboard, a mounting groove 8 is arranged on the outer wall of the Z-axis upright post 7 near the objective table 6, a Z-axis motion assembly 9 is arranged in the mounting groove 8, one end of the Z-axis motion component 9 extends to the outside of the port of the mounting groove 8, the tail end of the Z-axis motion component is fixedly connected with a lens fixing component 10, a camera 11 is movably clamped and fixed in the inner cavity of the lens fixing component 10, a lens 12 is arranged at the bottom of the camera 11, and the lower end of the lens 12 is closely suspended at the upper end of the objective table 6; the back plate of the equipment base 1 is provided with a heat dissipation grid 13, the side walls of the back plate of the equipment base 1 at two sides of the heat dissipation grid 13 are uniformly provided with USB data line interfaces 14, and the USB data line interfaces 14 are used for connecting a power line and a network line.

Referring to fig. 1 and 4, the Z-axis moving assembly 9 includes a motor 91 disposed at the lower end of the top plate of the mounting groove 8 and a screw rod 92 connected to the output end of the bottom of the motor 91, the motor 91 is a forward and reverse rotation asynchronous motor and electrically connected to a running computer, a guide rail 93 is screwed on the outer wall of the screw rod 92, one end of the guide rail 93 extends to the outside of the port of the mounting groove 8, and the end thereof is fixedly connected to the lens fixing assembly 10; be provided with grating chi 94 on the one side inner wall of mounting groove 8 keep away from the port, grating chi 94 is used for detecting the removal of guide rail 93, and the operation computer is based on grating chi 94 to the removal monitoring of guide rail 93, and the automatic accurate camera 11 and the camera lens 12 of driving of positive and negative commentaries on classics cooperation guide rail 93 of control motor 91 reciprocate to carry out the performance detection of camera lens 12, convenient and practical.

Referring to fig. 1, 4 and 5, the lens fixing assembly 10 includes a U-shaped card seat 101 connected to the guide rail 93, a limiting groove 102 is formed on a side wall of one side of a port of the U-shaped card seat 101, a positioning pin 103 is embedded inside the U-shaped card seat 101 at an upper end of the limiting groove 102, the positioning pin 103 penetrates through an inner cavity extending to the limiting groove 102, a limiting rod 104 is movably sleeved on an outer wall of the positioning pin 103 in the limiting groove 102, a U-shaped card plate 105 is movably connected to an outer wall of one side of the U-shaped card seat 101 away from the limiting groove 102, and a fixing slot 106 is formed at a position of a movable end of the U-shaped card plate 105 corresponding to the limiting rod 104.

Further, gag lever post 104 is T type structure, when U type cardboard 105 closing cap U type cassette 101 block fixed camera 11, gag lever post 104 block in fixed slot 106 inner chamber, its terminal end plate laminating U type cardboard 105 outer wall sets up, deflect behind the gag lever post 104 with its block in fixed slot 106 inner chamber, the terminal end plate laminating U type cardboard 105 outer wall of gag lever post 104 sets up blockade U type cassette 101 and the fixed camera 11 of U type cardboard 105, the realization is fixed to camera 11 and camera lens 12, the quick assembly disassembly of being convenient for tests, and is convenient and fast.

The working principle is as follows: when the reliability of the lens 12 is tested, the power switch 4 of the device and the power switch 3 of the computer are pressed to start the device, a visual device consisting of the camera 11 and the lens 12 collects the view and displays the view in the software interface of the display screen 2, the computer is operated to control the Z-axis motion component 9 to drive the visual device to move up and down, the lens calibration sheet on the objective table 6 is operated to carry out visual focusing, so that the objective table is in the clearest state, and whether distortion and ripple exist in the imaging effect is judged in the clearest state; then, the computer is operated to control the lens 12 to perform multiple zooming 1-6 times, and the diameter of the circle feature on the calibration sheet and the X, Y deviation of the circle acquired by each zooming are obtained to test the stability of zooming of the lens 12. Operating a computer to control the Z-axis motion assembly 9 to move up and down for multiple times for focusing, and testing the focusing success rate and the focused definition; the lens 12 is subjected to 1000 times of zooming test to test whether the zooming motor of the lens 12 generates heat and abnormal sound, and the smoothness and the service life of zooming of the lens 12 are tested; and (3) placing a block gauge with the thickness of 10mm on the objective table 6, carrying out surface focusing point collection on the surface of the block gauge for multiple times, calculating the difference of the focusing point in the Z direction, and testing the focusing repeatability of the lens 12.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Electronic camera lens reliability tester, including equipment base (1), its inside operation computer that is provided with display screen (2) on the front end inclined plane of equipment base (1), has set gradually computer switch (3) and equipment switch (4), its characterized in that on equipment base (1) inclined plane of display screen (2) both sides: the equipment is characterized in that a supporting plate (5) is arranged at the upper end of the equipment base (1), an objective table (6) is arranged at the position, far away from one side of the backboard, of the edge of the upper end of the supporting plate (5), a Z-axis stand column (7) is close to one side of the backboard, a mounting groove (8) is formed in the outer wall, close to one side of the objective table (6), of the Z-axis stand column (7), a Z-axis moving assembly (9) is arranged in the mounting groove (8), one end of the Z-axis moving assembly (9) extends to the outside of a port of the mounting groove (8), a lens fixing assembly (10) is fixedly connected to the tail end of the Z-axis stand column (7), a camera (11) is fixed to the movable clamping of the inner cavity of the lens fixing assembly (10), a camera lens (12) is arranged at the bottom of the camera (11), and the lower end of the camera lens (12) is suspended on the upper end of the objective table (6).

2. The motorized lens reliability tester of claim 1, wherein: the heat dissipation device is characterized in that a heat dissipation grid (13) is arranged on a back plate of the device base (1), and USB data line interfaces (14) are uniformly arranged on the side walls of the back plate of the device base (1) on two sides of the heat dissipation grid (13).

3. The motorized lens reliability tester of claim 1, wherein: the display screen (2) is of a touch screen type structure and is used for displaying imaging and software interfaces.

4. The motorized lens reliability tester of claim 1, wherein: z axle motion subassembly (9) including set up motor (91) and the lead screw (92) that motor (91) bottom output end is connected in mounting groove (8) roof lower extreme, the screw has cup jointed guide rail (93) on the outer wall of lead screw (92), the one end of guide rail (93) extends to mounting groove (8) port outside, its terminal fixed connection camera lens fixed subassembly (10).

5. The motorized lens reliability tester of claim 4, wherein: and a grating ruler (94) is arranged on the inner wall of one side, far away from the port, of the mounting groove (8), and the grating ruler (94) is used for detecting the movement of the guide rail (93).

6. The motorized lens reliability tester of claim 4, wherein: the lens fixing component (10) comprises a U-shaped clamping seat (101) connected with a guide rail (93), a limiting groove (102) is formed in the side wall of one side of a port of the U-shaped clamping seat (101), a positioning pin (103) is embedded in the U-shaped clamping seat (101) at the upper end of the limiting groove (102), the positioning pin (103) penetrates through an inner cavity extending to the limiting groove (102), a limiting rod (104) is movably sleeved on the outer wall of the positioning pin (103) in the limiting groove (102), a U-shaped clamping plate (105) is movably connected to the outer wall of one side, away from the limiting groove (102), of the U-shaped clamping plate (101), and a fixing clamping groove (106) is formed in the position, corresponding to the limiting rod (104), of the movable end of the U-shaped clamping plate (105).

7. The motorized lens reliability tester of claim 6, wherein: the limiting rod (104) is of a T-shaped structure, when the U-shaped clamping plate (105) covers the U-shaped clamping seat (101) to clamp and fix the camera (11), the limiting rod (104) is clamped in the inner cavity of the fixing clamping groove (106), and the end plate at the tail end of the limiting rod is attached to the outer wall of the U-shaped clamping plate (105).