CN104991341B - Automatic filter box - Google Patents

Abstract

Plate face is provided with light hole before and after the present invention provides a kind of full-automatic filtering box, including casing, casing, and electronic optical gate is located on cabinet front plate inwall and is arranged to control light hole thang-kng；Filtering box also includes being located at the filter plate or attenuator moved in casing and in the horizontal direction.The present invention can improve the automaticity of test, and can apply in a variety of test systems.

Description

Automatic filter box

technical field

The invention relates to a performance testing technology of an optoelectronic device, in particular to a fully automatic filter box.

Background technique

In the performance test system of electronic devices, filter boxes are often used to select the required band with filters or attenuate the intensity of light in a certain proportion with attenuators. The currently used filter boxes are all manual, and the operation is cumbersome and inefficient when doing mass testing. Therefore, a fully automatic filter box is invented, and the filter box can be controlled on the interface of the test software.

Contents of the invention

The purpose of the present invention is to provide a fully automatic filter box, which can improve the degree of automation of testing and can be applied to various testing systems.

A fully automatic filter box, including a box body, with a light hole on the front and rear panels of the box body, and an electric shutter located on the inner wall of the front panel of the box body and configured to control the light passing through the light hole; the filter box also includes a A filter or attenuator that moves horizontally.

Using the above-mentioned fully automatic filter box, the electric shutter includes a housing, and coil electromagnets, hinges, shrapnel, magnets, levers, and baffles located in the housing. The magnet cooperates with the coil electromagnet; the upper part of the hinge is provided with a magnet, and the lower part is fixed on the inner wall of the housing, and the upper part and the lower part of the hinge are bent; The connecting pin of the driving rod and the inner wall of the housing, the connecting pin is placed in the limit groove of the inner wall of the housing; one end of the elastic piece is fixed on the lower section of the hinge, and the other end is fixed on the driving rod; the blocking piece has two petals, The upper ends of the two flaps are overlapped, and the upper ends of each flap are rotatably connected to the inner wall of the housing through different pin shafts; the upper ends of each flap are provided with pin holes, and the connecting pins pass through the pin holes.

Using the above-mentioned fully automatic filter box, the filter or attenuation slide plate is set perpendicular to the incident light or with an included angle of 76.6° with the incident light.

Compared with the prior art, the present invention has the following advantages: (1) the switch of the light hole can be automatically controlled through the electric shutter, and the operation is simple and the efficiency is high; (2) the magnetism generated after the electromagnetic coil is energized is used to attract the magnet , drive the lever to drive the two baffles to rotate in the opposite direction, and control the switch of the light hole. stray light.

The present invention will be further described below in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention.

Fig. 2 is a sectional view of A-A in Fig. 1 .

Fig. 3 is a sectional view of B-B in Fig. 1 .

Fig. 4 is a schematic structural diagram of the housing of the motorized shutter of the present invention.

Fig. 5 is a schematic diagram of the internal structure of the electric shutter of the present invention.

detailed description

Referring to Fig. 1, Fig. 2 and Fig. 3, a fully automatic filter box is characterized in that it includes a box, and an electric shutter, a filter or an attenuator located inside the box. The box body is composed of an upper base plate 16, a lower base plate 18, a front base plate 12, a rear base plate 17, a left base plate 11 and a right base plate 4. An electric shutter 14 is fixed at the light hole, and the electric shutter 14 controls the switch of the light hole on the front bottom plate. The filter or attenuation sheet moves horizontally under the drive of the horizontal moving device.

4 and 5, the electric shutter 14 includes a housing 14-1, and a coil electromagnet 14-3, a hinge 14-4, a shrapnel 14-5, a magnet 14-6, and a dial located in the housing 14-1. Bar 14-7, blocking plate 14-9. The housing 14 - 1 is fixed on the front bottom plate 12 of the box through the connecting plate 13 . The housing 14-1 is provided with dimming holes 14-2 on the front and rear panels, and the dimming holes 14-2 cooperate with the light-through holes on the front bottom plate 12 of the cabinet; the magnet 14-6 is located Above the coil electromagnet 14-3, when the coil electromagnet 14-3 is energized, the coil electromagnet 14-3 generates a magnetic force to attract the magnet 14-6 to the coil electromagnet 14-3; the hinge 14-4 has elasticity, Its upper section is fixed magnet 14-6, and the lower section is fixed on the inner wall of housing 14-1, and the upper section and the lower section of hinge 14-4 are bent at 90°; 14-4 The front end of the upper section is connected, and the front end is provided with a connecting pin 14-71 perpendicular to the driving rod 14-7 and the inner wall of the housing 14-1, and the connecting pin is placed in the limiting groove 14-11 of the inner wall of the housing 14-1 In the middle; one end of the shrapnel 14-5 is fixed on the lower part of the hinge 14-4, and the other end is fixed on the driving rod 14-7; the blocking piece 14-9 has two petals, and the upper ends of the two petal blocking pieces 14-9 are overlapped. And the upper end of each petal is respectively connected to the inner wall of the housing 14-1 through the first pin 14-81 and the second pin 14-82; the upper end of each petal baffle 14-9 is provided with a pin hole, and the connecting pin 14-71 through the pin hole. When the coil electromagnet 14-3 is energized, the coil electromagnet 14-3 generates a magnetic force, and the magnet 14-6 is attracted to the coil electromagnet 14-3, and the upper front end of the hinge 14-4 moves downward, driving the driving rod 14-7 Moving down, the front end of the lever 14-7 drives the two flaps 14-9 to rotate clockwise or counterclockwise around the first pin shaft 14-81 and the second pin shaft 14-82 respectively, opening the light hole 12-1; When the coil electromagnet 14-3 is powered off, the shrapnel 14-5 recovers from the deformed state, drives the upper front end of the hinge 14-4 to move upward, drives the driving lever 14-7 to move upward, and the front end of the driving lever 14-7 drives the two petals The blocking piece 14-9 rotates counterclockwise or clockwise around the first pin shaft 14-81 and the second pin shaft 14-82 respectively to close the light hole 12-1.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , the horizontal moving device includes a slide bar 3 , a bevel gear set 8 , a slide plate 15 , a lead screw 10 , and a motor 6 . The motor 6 is fixed on the right bottom plate 4 of the box body through the motor fixing plate 5, and sealed with the motor sealing cover 7; the slide bar 3 is arranged at the lower end of the box body, and the long axis of the slide bar 3 is perpendicular to the incident light and parallel to the bottom of the box body Bottom plate 18, both ends are respectively fixedly connected with the inner wall of the box; the screw 10 is arranged at the upper end of the box, the long axis of the screw 10 is parallel to the long axis of the slide bar 3, and one end of the screw 10 is connected with the inner wall of the box through the bearing 9 , the other end is connected with the first bevel gear in the bevel gear set 8; the second bevel gear in the bevel gear set 8 is connected with the rotating shaft of the motor 6; The seat is connected, and the lower end is slidingly connected with the sliding rod 3; the filter or attenuation sheet is covered on the light hole of the sliding plate 15. The slide bar 3 is evenly distributed on the lower end of the box body, the lead screw 10 is evenly distributed on the upper end of the box body, and the slide plate 15 is arranged on different slide bars 3 and lead screw 10, so that the slide plate 15 can be arranged perpendicular to the incident light, or can be Set a [70°, 80°] angle with the incident light. The angle between the slide plate 15 and the incident light is 76.6°. Each filter or attenuator is located on a slide plate 15. At the beginning, the slide plate 15 is located at the right end of the box body. When in use, the slide plate 15 is driven to move to the left side of the box body through the motor 6, the bevel gear set 8 and the lead screw 10. Move to the path of the light; when not in use, move back to the right end of the box body through the reverse rotation of the motor 6. Different light can be obtained through filters or attenuators with different parameters.

Referring to Fig. 1, Fig. 2 and Fig. 3, the fully automatic filter box also includes a support rod that moves up and down in the vertical direction, and the support rod carries the box body. The support rod includes a base 1 and a telescopic rod body 2 located on the base 1 and connected to the box.

Claims (7)

1. a kind of full-automatic filtering box, it is characterised in that including：

Casing,

Light hole in plate face before and after casing,

On cabinet front plate inwall and be arranged to control light hole thang-kng electronic optical gate (14),

The filter plate or attenuator moved in casing and in the horizontal direction；

Filter plate or attenuator are moved in casing and in the horizontal direction by horizontally moving device, the horizontally moving device Including slide bar (3), bevel gear set (8), slide plate (15), leading screw (10), motor (6)；

The slide bar (3) is arranged at lower end in casing, and slide bar (3) major axis is perpendicular to incident light and parallel to casing lower shoe, two End is fixedly connected with cabinet wall respectively；

The leading screw (10) is arranged at upper end in casing, and leading screw (10) major axis hangs down parallel to slide bar (3) major axis, leading screw (10) one end It is connected by bearing with cabinet wall, the other end is connected with first bevel gear in bevel gear set (8)；

Second bevel gear is connected with the rotary shaft of motor (6) in the bevel gear set (8)；

The slide plate (15) is connected provided with light hole upper end with the nut seat of leading screw (10), and lower end is slidably connected with slide bar (3)；

The filter plate or attenuator are overlying on the light hole of slide plate (15).

2. full-automatic filtering box according to claim 1, it is characterised in that electronic optical gate (14) includes housing (14-1), And coil electromagnetism iron (14-3), hinge (14-4), shell fragment (14-5), magnet (14-6), driving lever in housing (14-1) (14-7), catch (14-9)；

Described former and later two plate faces of housing (14-1) are provided with light modulation hole (14-2), the light modulation hole (14-2) and casing noseplate (12) light hole on coordinates；

The magnet (14-6) coordinates with coil electromagnetism iron (14-3)；

Hinge (14-4) epimere sets magnet (14-6), and hypomere is fixed on housing (14-1) inwall, and hinge (14-4) Epimere and hypomere bending；

Driving lever (14-7) tail end is connected with the front end of hinge (14-4) epimere, and front end is set perpendicular to driving lever (14-7) and shell The connecting pin (14-71) of body (14-1) inwall, the connecting pin is placed in the stopper slot (14-11) of housing (14-1) inwall；

Hinge (14-4) hypomere is fixed in described shell fragment (14-5) one end, and the other end is fixed on driving lever (14-7)；

The catch (14-9) is two valves, and two valve catch (14-9) upper ends, which are overlapped, to be set, and passes through different pins respectively per valve upper end Axle is rotated with housing (14-1) inwall and is connected；

Described that pin-and-hole is set per valve catch (14-9) upper end, connecting pin (14-71) passes through pin-and-hole.

3. full-automatic filtering box according to claim 1, it is characterised in that slide plate (15) is set perpendicular to incident light.

4. full-automatic filtering box according to claim 1, it is characterised in that slide plate (15) has a folder between incident light Angle.

5. full-automatic filtering box according to claim 4, it is characterised in that angle of the slide plate (15) between incident light be [70 °, 80 °].

6. full-automatic filtering box according to claim 5, it is characterised in that angle of the slide plate (15) between incident light be 76.6°。

7. full-automatic filtering box according to claim 1, it is characterised in that described also including the support bar for carrying casing Support bar vertically lifting moving.