KR100222587B1 - Functional testing apparatus of auto-focus control in a camera - Google Patents

Abstract

The present invention relates to an apparatus for inspecting an auto focusing function of a camera, wherein the tasks such as supplying a camera to be inspected, operation of each target of an inspection bench unit, and determining whether the camera is good for the auto focusing function are collectively performed automatically. In addition to improving workability and increasing productivity, it is also electrically connected to and controlled by the controller in order to expect a reduction in manufacturing cost due to a reduction in workforce. And a transfer frame having an XY robot capable of rotation and position movement is controlled by an underclamp electrically connected to and controlled by a transfer portion and a transfer portion formed to be fixed or moved by rollers and fixing means. Moving plate that slides or is fixed on the upper surface of the inspection frame Table and the clamping frame equipped with the upper clamp, the inspection table having the first plate and the second plate to clamp the front and rear sides of the camera by sliding the slide by the first and second stage cylinders, and the controller A plurality of air cylinders controlled by and connected in the shape of a 'c' and a plurality of targets actuated by it, and the path of the electromagnetic wave emitted to measure the distance between the camera's focal plane and the subject can be converted. Bench frame having a plurality of reflecting mirrors, etc. can be moved by the roller and the fixing means, or the bench bench for inspection formed to be able to settle, detect the amount of exposure of the lens fed out to perform the focus adjustment when the camera shutter is released Lens exposure detection device that can transmit this information to the controller. .

Description

Camera auto focusing control device

1 is a side view showing an automatic focusing function inspection apparatus of the camera according to the present invention.

2 is a side view showing the transfer part of the inspection apparatus according to the present invention.

3 is a perspective view showing an inspection table of the inspection device according to the present invention.

Figure 4 is a side view showing an inspection table of the inspection device according to the present invention.

5 is a side view showing a bench portion for inspection of the inspection apparatus according to the present invention.

* Explanation of symbols for main parts of the drawings

2: camera 4: Lee Jae-bu

6: Jaejae Frame 12: X-Y Robot

20: inspection table 22: inspection bench

24: inspection frame frame 26, 44, 60: rail

28: under clamp 30: moving plate

32, 50, 68: Slide ends 34, 52, 66: Piston rod

36, 54: pad 38: clamp frame

40: upper clamp 42: shutter release cylinder

46: two-stage cylinder 48: second plate

56: pressing plate 58: rear clamp

62: 1st stage cylinder 64: 1st plate

72: rodless cylinder 74: target

76: reflector 78: roller

80: fixing means 82: bench frame

84: lens output amount detection device

The present invention relates to an apparatus for inspecting an automatic focusing function of a camera, and more particularly, to an apparatus for inspecting an autofocusing function of a camera, which enables inspection of the automatic focusing function of a camera in a batch of automatic operations.

In general, the recent cameras are equipped with an electronic control unit, an automatic camera that allows the automatic adjustment of each device of the camera according to the various information entered into it is a bofunization, such automatic camera is a inspection device after a predetermined assembly production Each function is examined to determine the quantity and defect.

In particular, an inspection apparatus for inspecting the camera's auto focusing function includes a test table on which a camera to be inspected can be placed, a lens exposure amount sensing device connected to a controller, and capable of detecting an amount of lens outflow, and a plurality of projections on the focal plane of the camera. It consists of an inspection bench having two targets, and the lens exposure amount detection device detects the lens extraction degree of the fed camera to adjust the focus according to the distance of each target, and displays it on the controller. It is possible to determine the quantity and defect of the camera's automatic focusing function.

By the way, the inspection apparatus for inspecting the automatic focusing function of the conventional camera as described above, because the manual operation of the supply of the camera to be inspected, the operation of each target of the inspection bench portion, the determination of the quantity, the fire, etc. are performed manually. As this decreases, productivity decreases, and a lot of manpower is required, thereby increasing the manufacturing cost.

The present invention has been made to solve the conventional problems as described above, the object of the present invention is to provide a batch of automatic operations such as the supply of the camera to be inspected, the operation of each target of the bench for inspection, determination of the amount of payment It is possible to improve the workability by increasing the productivity, and thus to increase productivity, and to reduce the number of workers, thereby providing an auto focusing function inspection device of the camera that can expect a reduction in manufacturing cost.

In order to realize this, the present invention is electrically connected to the controller and controlled by the controller, and the XY robot capable of holding or discharging the camera and rotating and positioning is mounted on the transfer frame to supply and transfer the camera. And a single-stage cylinder and 2, which are electrically connected to and controlled by the controller and are fixed with a clamp plate equipped with an upper clamp and a shutter release cylinder, and a movable plate which is slid or positioned on the upper surface of the inspection frame by an under clamp. An inspection table having a first plate and a second plate that can slide by a single cylinder to clamp the front and rear surfaces of the camera, a plurality of air cylinders controlled by the controller connected to the controller and arranged in the shape of a 'c' A number of targets that work by this, and In order to measure the distance between the camera's focal plane and the subject, an inspection bench configured to be mounted on each element of the bench frame to convert the propagation path of the emitted electromagnetic wave, and the focus is released when the shutter of the camera is released. It is characterized by comprising a lens exposure amount detection device that can detect the amount of exposure of the lens to perform the adjustment.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

1, 2, 3, 4, and 5 are diagrams illustrating an apparatus for inspecting an auto focusing function of a camera according to the present invention, and supply a camera 2 conveyed by a conveyor (not shown). Alternatively, the transfer part (4) is formed to transfer the camera (2) after the inspection to the conveyor again, such transfer part (4) forms two transfer frame (6) upright fixed to the ground to the upper end portion thereof The rodless cylinder 10 fixed to the transverse end 8 is retained so that the XY robot 12 can be installed in a movable state.

The XY robot 12 as described above constitutes an X-axis moving unit 14 that performs horizontal movement and a Y-axis moving unit 16 that performs vertical movement therefrom, and the Y-axis moving unit 16 Right and left sides of the) is provided with a finger 18, the end of which is wide open or tightened so that the camera 2 is a known technique to detain or discharge the detailed description thereof will be omitted.

On the other hand, the inspection table 20 to which the camera 2 moved by the transfer member 4 as described above can be placed, which is fixed to one end of the bench bench 22 for inspection. Under which the test stand frame 24 to be mounted is formed, and two rails 26 are spaced apart from each other on the upper surface thereof, and underneath it is electrically connected to and controlled by a controller (not shown) on one side thereof. By providing the clamp 28, the movable plate 30 provided on the said rail 26 can move forward and backward toward the inspection bench part 22. As shown in FIG.

The movable plate 30 fixedly forms a plurality of slide ends 22 at positions corresponding to the two rails 26 of the movable plate 36 on the lower surface thereof, while the piston rod of the underclamp 28 is formed. The pad 36 to which the 34 is fixed is formed so that the moving plate 30 can move back and forth by the under clamp 28 which operates under the control of the controller.

In addition, a plurality of top clamps 40 fixedly mounted on the left and right side surfaces of the movable plate 30 having a 'II' shape, and electrically connected to the controller and controlled by the upper part thereof. ) And the shutter release cylinder 42 allow the upper surface of the camera 2 to be inspected to be clamped, the shutter of the camera 2 can be operated, and the upper surface of the movable plate 30. Two rails 44 which are spaced apart from each other by a predetermined distance are installed, and a two-stage cylinder 46 electrically connected to and controlled by the controller is installed and thereby positioned on the another rail 44. The second plate 48 to be slidably moved.

On the lower surface of the second plate 48, the piston rod 52 of the plurality of further slide stages 50 and the two-stage cylinder 46 in a position corresponding to another rail 44 of the movable plate 30. Another pad 54 is fixed to the end of the second plate 48 so that the second plate 48 can move back and forth under the control of the controller. And a rear clamp 58 having a pressing plate 56 capable of clamping the rear surface of the camera 2.

In addition, an upper surface of the second plate 48 is provided with a first stage cylinder 62 electrically connected to and controlled by two other rails 60 and a controller spaced apart from each other by a predetermined distance, thereby controlling the controller. As a result, the first plate 64 can move forward and backward.

The first plate 64 as described above allows the end of the piston rod 66 of the first stage cylinder 62 to be fixed to one side surface, and another rail 60 of the second plate 48 to the bottom surface thereof. While fixing a plurality of further slide end 68 to the position corresponding to the (), while the two side end of the upper surface is provided with two guide clamps 70 for clamping the front part of the camera 2 to be inspected Doing.

On the other hand, the inspection bench 22 as described above is electrically connected to the controller and controlled by this, a plurality of rodless cylinder 72 and a plurality of targets ( 74, and a plurality of reflecting mirrors 76 or the like, which can convert the traveling path of the electromagnetic wave emitted to measure the distance between the focal plane and the subject of the camera 2, are moved by the roller 78, or the fixing means ( It is made to consist of the bench frame 83 settled at 80 by 80).

In addition, reference numeral 84 denotes a lens exposure amount detecting device capable of detecting an amount of exposure of a lens (not shown) that is supplied for focus adjustment when the camera releases the shutter.

When the camera 2 to be inspected to the position of the transfer part 4 is transferred by the conveyor to the automatic focusing function inspection apparatus of the present invention configured as described above, the XY robot 12 of the transfer part 4 is moved. While the Y-axis moving unit 16 is descending under the control of the controller, the finger 18 detains the camera 2 to be inspected, and then the Y-axis moving unit 16 is raised again. The X-axis moving unit 14 controlled by the controller causes the detained camera 2 to be placed on the first plate 64 of the inspection table 20 and then returns to its original position.

As such, when the camera 2 to be inspected is placed on the first plate 64 of the inspection table, the first plate 64 constituting the inspection table 20 is controlled by the first stage cylinder 62 controlled by the controller. The slide movement of the reverse side is performed on the rail of 48), and the forward slide movement on the rail 44 of the movement plate 30 is performed by the second stage cylinder 46 controlled by the controller. And the under-clamp 28 controlled by the controller at the same time to clamp the front and rear sides of the camera 2 to be inspected, the movable plate 30 slides on the rail 26 of the inspection frame 24 and the camera 2 When the clamped camera 2 is brought to the position of the upper clamp 40 of the clamp frame 38 installed so that the clamped camera 2 is upright with the movable plate 30, the fixed target is moved to have a predetermined distance from the target 74. At this time, the controller By causing the upper surface of the clamp 40 to clamp the upper surface of the camera 2 which is to be fixed so the camera (2) is stabilized.

On the other hand, after the clamping of the camera 2 to be inspected as described above, the controller to operate the upright operation to the position corresponding to the camera 2 placed on the inspection table 20, the target 74 of the inspection bench 22. When the rodless cylinder 72 is operated and a predetermined target 74 is upright, the shutter release cylinder 42 installed in the clamp frame 38 presses the shutter of the camera 2 to the camera 2. It is possible to perform the auto focus adjustment to allow a predetermined amount of the lens is supplied according to the distance of the target 74, wherein the lens exposure amount detection device 84 is the information on the lens amount of the camera 2 detected by this Is transmitted to the controller so that the controller can determine the amount and defect of the auto focusing function of the camera 2 by comparing the appropriate amount of lens exposure according to the distance of each target 74 previously input thereto. .

In addition, as described above, the camera 2 having completed the inspection of the auto focusing function is freed from the inspection table 20 which is controlled by the controller and operates in the reverse order to the above-described operation sequence, and again the The Y-axis moving unit 16 forming the XY robot 12 descends and causes the finger 18 to detain the camera 2 after the inspection, and then raises it. The X-axis moving unit 14 is controlled by the controller. ) Moves the camera 2 to the position of the conveyor, when the camera 2 is determined to be defective, the finger 18 of the Y-axis moving unit 16 rotates 180 °, and then Y The movement of the shaft moving part 16 and the opening of the finger 18 cause the camera 2 to be placed on the conveyor as opposed to the case of good quality, so that the operator can recognize the quantity and defect of the camera 2. Doing.

The automatic focusing function inspection apparatus for a camera according to the present invention, which operates as described above, allows a batch automatic operation to perform tasks such as supplying a camera to be inspected, operation of a target for an inspection bench, determination of the amount of money, and the like. In addition to increasing productivity as well as improving the productivity, there is an advantage in reducing the production cost by reducing the workforce.

Claims (7)

XY robot 12 and its rotation, which are electrically connected to and controlled by the controller, are capable of detaining or discharging camera 2, and capable of rotation and position movement for supply and transfer of camera 2. The transfer part 4, which is configured to be mounted to the transfer frame 6 to enable mounting, is electrically connected to and controlled by the controller, and is slide-moved or positioned on the upper surface of the inspection frame 24 by the underclamp 28. The movable frame 30 to be fixed and the clamp frame 38 to which the upper clamp 40 and the shutter release cylinder 42 are mounted are fixed, and the first stage cylinder 62 and the second stage cylinder controlled by the controller ( 46, the inspection table 20 having a first plate 64 and a second plate 48 capable of slidingly moving and clamping the front and rear surfaces of the camera 2, and linked thereto and controlled by the controller. And a plurality of rodless cylinders 72 arranged in a shape of 'c' and a plurality of targets 74 actuated by the plurality of rodless cylinders, and the electromagnetic waves emitted to measure the distance between the focal plane and the subject of the camera 2. An inspection bench unit 22 configured to mount a plurality of reflectors 76 capable of converting paths to each element of the bench frame 82, and a lens assembly capable of sensing the lens feeding amount of the camera 2; Auto focusing control device of the camera, characterized in that configured as the output detection device (84). According to claim 1, On the upper surface of the inspection frame frame 24 of the inspection table 20 is provided with two rails 26 spaced apart at regular intervals so that the slide end 22 of the movable plate 30 can slide. Auto focusing function inspection device of the camera. The movable plate 30 has a plurality of slide ends 32 fixedly formed at a position corresponding to the two rails 26 of the inspection frame 24 on the lower surface thereof, and the under clamp 28 A piston 36 to which the piston rod 34 is fixed is formed, and the upper surface of the movable plate 30 is spaced apart from each other so that another slide end 50 of the second plate 48 can slide. Auto focusing inspection device of the camera, characterized in that the installation of two other rail (44). The lower surface of the second plate 48 has a plurality of further slide stages 50 and two-stage cylinders 46 at positions corresponding to the other rails 44 of the movable plate 30. Another end of the piston rod 52 is formed to form a pad 54, one end of the second plate 48 has a shape standing upright to this and can clip the rear surface of the camera (2). Another rail 60 having a rear clamp 58 having a holding plate 56 provided thereon and having another slide end 68 of the first plate 64 slideable on the upper surface of the second plate 48. Auto focusing function inspection device of the camera, characterized in that the fixed form. The clamp frame 38 constituting the upper clamp 40 is moved back and forth with the movable plate 30 to be in contact with a predetermined target 74 of the bench portion 22 for inspection from the focal plane of the camera. Auto focusing function inspection apparatus of the camera, characterized in that the fixed mounting on both sides of the movable plate (30) to adjust the distance. According to claim 1, The first plate 64 is fixed to the end of the piston rod 66 of the first stage cylinder 62 on one side end surface, the lower surface of the second rail (48) A plurality of slide ends 68 are fixedly formed at positions corresponding to 60, and two guide clamps 70 can be installed at both side ends of the upper surface to clamp the front part of the camera 2 to be inspected. Auto focusing control device of the camera characterized by the MOM. According to claim 1, the bench frame 82 of the bench portion for inspection 22 is formed to take the shape of the 'c', a plurality of rollers to enable the movement and fixing of the bench frame 82 in the lower portion thereof 78 and a plurality of fixing means 80 is fixed to the camera auto focusing control device characterized in that the mounting.