CN213122497U - Backlight lighting device for inspecting flat panel display device - Google Patents

Abstract

The utility model discloses an inspection flat panel display device's backlight unit, which comprises a housin, be equipped with the motor in the first cavity, motor output end fixedly connected with pivot, fixedly connected with electric telescopic handle in the pivot, run through on the baffle and rotate and be connected with the threaded rod, be equipped with coupling mechanism on the threaded rod, the threaded rod right-hand member is equipped with the thread bush, fixedly connected with mounting panel in the second cavity, it is connected with the connecting rod to rotate on the mounting panel, be equipped with the LED module on the connecting rod, symmetrical sliding connection has the slider on the casing, run through threaded connection has the bolt on the slider, the inboard one end fixedly connected with splint of bolt. The utility model discloses at first put the display on the glass board and go on fixedly, open the LED module and begin to give out light, start electric telescopic handle right motion to the slot in, starter motor afterwards for in the kelly moved to the arc wall, then drive the connecting rod and rotate, adjust the angle of LED module.

Description

Backlight lighting device for inspecting flat panel display device

Technical Field

The utility model relates to a flat panel display detects technical field, especially relates to an inspection flat panel display device's lighting device in a poor light.

Background

In the electronics industry, backlighting is a form of illumination that is commonly used in electronic devices such as LCD display screens. The backlight type is different from the front type in that the backlight is irradiated from the side or the back, and the front light is irradiated from the front as the name suggests. They are used to increase the illumination in low light environments and brightness on computer displays, liquid crystal screens, and to produce light in a manner similar to CRT displays, where the light source may be an incandescent bulb, electro-optic panel (ELP), Light Emitting Diode (LED), cold cathode tube (CCFL), or the like. The electro-optic panel provides uniform light across the surface, while other backlight modules use diffusers to provide uniform light from non-uniform light sources, the backlight can be any color, and monochromatic liquid crystals are typically yellow, green, blue, white, etc. backlights. While color display uses white light because it covers the most colored light.

However, in the backlight illumination device for detecting the flat panel display device in the prior art, because the LED module in the device is fixedly arranged in the device, the backlight illumination angle cannot be adjusted, so that a partial area of the display cannot be effectively observed, and inconvenience is brought to detection work of workers.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art "because the fixed setting of the LED module in the device is inside the device, consequently the unable regulation of angle of shining in a poor light for display part region can't obtain effectual observation, has brought the defect of inconvenience for staff's detection achievement, thereby provides an inspection flat panel display device's backlight unit.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a backlight illumination device for inspecting a flat panel display device comprises a shell, wherein a baffle is fixedly connected in the shell and divides the interior of the shell into a first cavity and a second cavity, a motor is arranged in the first cavity, a rotating shaft is fixedly connected with the output end of the motor, a rotating rod is rotatably connected in the first cavity, a transmission mechanism is arranged in the first cavity, a fan blade is arranged on the rotating rod, an electric telescopic rod is fixedly connected on the rotating shaft, a threaded rod is rotatably connected on the baffle in a penetrating manner, a connecting mechanism is arranged on the threaded rod, a threaded sleeve is arranged at the right end of the threaded rod, the threaded sleeve is sleeved on the threaded rod, a mounting plate is fixedly connected in the second cavity, an opening is arranged on the mounting plate, a connecting rod is rotatably connected on the mounting plate and is matched with the opening, the LED lamp is characterized in that an LED module is arranged on the connecting rod, a diffusion plate is arranged in the second cavity, sliders are symmetrically and slidably connected to the shell, bolts are connected to the sliders in a penetrating mode through threads, and clamping plates are fixedly connected to one ends of the inner sides of the bolts.

Preferably, drive mechanism includes the action wheel, follows driving wheel and drive belt, action wheel fixed connection is in the pivot, follow driving wheel fixed connection on the dwang, the drive belt winding is on action wheel and follow driving wheel.

Preferably, coupling mechanism includes kelly and spring, the one end that is close to electric telescopic handle on the threaded rod is equipped with the slot, slot and electric telescopic handle phase-match, the symmetry is equipped with the recess on the slot inner wall, kelly sliding connection is in the recess, spring fixed connection is between kelly and recess inner wall, electric telescopic handle is last to be equipped with the arc wall in the symmetry, arc wall and kelly phase-match.

Preferably, the inner side wall of the clamping plate is provided with an elastic cushion, and the elastic cushion is made of rubber materials.

Preferably, a plurality of vent holes are formed in the partition plate and the right side wall of the shell, and the aperture size of each vent hole is 10 cm.

Preferably, a glass plate is fixedly connected to the top wall of the housing.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the device is used, firstly, a display is placed on a glass plate, a clamping plate moves inwards to clamp the display by screwing a bolt, an LED module is opened to start to emit light, a light source is uniformly diffused through a diffusion plate and irradiates through the glass plate, when the LED module needs to be subjected to angle adjustment, an electric telescopic rod is started to move rightwards into a slot, a clamping rod moves inwards to a groove under the extrusion of the electric telescopic rod, then a motor is started to rotate a rotating shaft to drive the electric telescopic rod to rotate, when the electric telescopic rod rotates until an arc-shaped groove is matched with the clamping rod, the clamping rod moves into the arc-shaped groove under the action of a spring, then a threaded rod rotates along with the rotation of the electric telescopic rod, a threaded sleeve moves leftwards and rightwards to drive a connecting rod to rotate, the angle of the LED module is adjusted, and after the adjustment is completed, the electric telescopic rod is started to, then staff's accessible promotes the slider and drives the display and remove, carries out more comprehensive detection observation to the display, easy operation for the back light irradiation angle can be adjusted, makes the display can be more comprehensive obtain effectual observation, has made things convenient for staff's work, has improved work efficiency.

2. When using the device, starter motor for the pivot rotates, drives the action wheel and rotates, makes under the effect of drive belt from the driving wheel rotation, makes the dwang rotate, makes the flabellum rotate, and the inside air of drive casing flows, carries to the casing through the air vent outside, dispels the heat to the casing inside.

Drawings

Fig. 1 is a schematic front structural view of a backlight illumination device for inspecting a flat panel display device according to the present invention;

fig. 2 is an enlarged schematic view of a point a in fig. 1.

In the figure: the device comprises a shell 1, a rotating shaft 2, a rotating rod 3, a driving wheel 4, a driven wheel 5, a transmission belt 6, fan blades 7, an electric telescopic rod 8, a partition plate 9, a threaded rod 10, a clamping rod 11, a spring 12, a threaded sleeve 13, a mounting plate 14, a connecting rod 15, an LED module 16, a diffusion plate 17, a glass plate 18, a sliding block 19, a bolt 20 and a clamping plate 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a backlight illumination device for inspecting a flat panel display device comprises a housing 1, wherein a partition plate 9 is fixedly connected in the housing 1, the partition plate 9 divides the housing 1 into a first cavity and a second cavity, a motor is arranged in the first cavity, a motor controller is arranged in the motor, and the motor controller is provided with a signal output end, a signal output end and a signal output end, wherein the signal output end is connected with the signal output end of the motor controller: have detailed introduction in CN209218510U, do not do this for a long time and describe repeatedly, motor output end fixedly connected with pivot 2, the rotation is connected with dwang 3 in the first cavity, be equipped with drive mechanism in the first cavity, drive mechanism includes action wheel 4, from driving wheel 5 and drive belt 6, 4 fixed connection of action wheel are on pivot 2, from driving wheel 5 fixed connection on dwang 3, drive belt 6 winding is on action wheel 4 and follow driving wheel 5, make accessible action wheel 4 and follow driving wheel 5 when pivot 2 rotates, make dwang 3 rotate under drive belt 6's effect, be equipped with flabellum 7 on the dwang 3.

Fixedly connected with electric telescopic handle 8 in pivot 2, run through on baffle 9 and rotate and be connected with threaded rod 10, be equipped with coupling mechanism on the threaded rod 10, coupling mechanism includes kelly 11 and spring 12, be close to 8 one ends of electric telescopic handle on the threaded rod 10 and be equipped with the slot, slot and 8 phase-matchs of electric telescopic handle, the symmetry is equipped with the recess on the slot inner wall, kelly 11 sliding connection is in the recess, spring 12 fixed connection is between kelly 11 and recess inner wall, the symmetry is equipped with the arc wall on the electric telescopic handle 8, arc wall and kelly 11 phase-matchs, make 8 motion of electric telescopic handle to the slot after, accessible kelly 11 accomplishes being connected with threaded rod 10 with the cooperation of arc wall, threaded rod 10 right-hand member is equipped with thread bush 13, thread bush.

Fixedly connected with mounting panel 14 in the second cavity, be equipped with the opening on the mounting panel 14, it is connected with connecting rod 15 to rotate on the mounting panel 14, connecting rod 15 and opening phase-match, 15 fixed connection of connecting rod are on thread bush 13, be equipped with LED module 16 on the connecting rod 15, be equipped with diffuser plate 17 in the second cavity, all be equipped with a plurality of air vent on baffle 9 and the 1 right side wall of casing, air vent aperture size is 10cm, 1 inside circulation of air of casing is with higher speed, the reinforcing radiating effect, fixedly connected with glass board 18 on the 1 roof of casing, make that illumination can be better pass through casing 1, make things convenient for the staff to detect the observation to the display.

Symmetrical sliding connection has slider 19 on the casing 1, and there is bolt 20 through threaded connection on the slider 19, and the inboard one end fixedly connected with splint 21 of bolt 20 is equipped with the cushion on the splint 21 inside wall, and the cushion is made for rubber materials, avoids because the too big damage that causes of centre gripping dynamics when carrying out the centre gripping to the display.

In the utility model, when the user uses the device, firstly, the display is placed on the glass plate 18, the clamping plate 21 moves inwards to clamp the display by screwing the bolt 20, the LED module 16 is opened to start to emit light, the light source is uniformly diffused by the diffusion plate 17 to irradiate through the glass plate 18, when the angle of the LED module 16 needs to be adjusted, the electric telescopic rod 8 is started to move rightwards to the slot, the clamping rod 11 moves rightwards to the groove under the extrusion of the electric telescopic rod 8, then the motor is started to rotate the rotating shaft 2 to drive the electric telescopic rod 8 to rotate, when the electric telescopic rod 8 rotates to the arc-shaped groove to be matched with the clamping rod 11, the clamping rod 11 moves to the arc-shaped groove under the action of the spring 12, then the threaded rod 10 rotates along with the rotation of the electric telescopic rod 8, so that the threaded sleeve 13 moves leftwards and rightwards to drive the connecting rod 15 to rotate, the angle of the LED module 16, after the adjustment is completed, start electric telescopic handle 8 and move left to break away from the draw-in groove, then staff's accessible promotes slider 19 and drives the display and remove, carries out more comprehensive detection observation to the display.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The backlight illumination device for inspecting the flat panel display device comprises a shell (1) and is characterized in that a partition plate (9) is fixedly connected in the shell (1), the partition plate (9) divides the interior of the shell (1) into a first cavity and a second cavity, a motor is arranged in the first cavity, a rotating shaft (2) is fixedly connected with the output end of the motor, a rotating rod (3) is connected in the first cavity in a rotating manner, a transmission mechanism is arranged in the first cavity, fan blades (7) are arranged on the rotating rod (3), an electric telescopic rod (8) is fixedly connected on the rotating shaft (2), a threaded rod (10) is connected on the partition plate (9) in a penetrating and rotating manner, a connecting mechanism is arranged on the threaded rod (10), a threaded sleeve (13) is arranged at the right end of the threaded rod (10), and the threaded sleeve (13) is sleeved on, fixedly connected with mounting panel (14) in the second cavity, be equipped with the opening on mounting panel (14), it is connected with connecting rod (15) to rotate on mounting panel (14), connecting rod (15) and opening phase-match, connecting rod (15) fixed connection is on thread bush (13), be equipped with LED module (16) on connecting rod (15), be equipped with diffuser plate (17) in the second cavity, symmetrical sliding connection has slider (19) on casing (1), it has bolt (20) to run through threaded connection on slider (19), inboard one end fixedly connected with splint (21) of bolt (20).

2. A backlighting apparatus for inspecting a flat panel display device according to claim 1, wherein the transmission mechanism includes a driving wheel (4), a driven wheel (5) and a transmission belt (6), the driving wheel (4) is fixedly connected to the rotation shaft (2), the driven wheel (5) is fixedly connected to the rotation rod (3), and the transmission belt (6) is wound around the driving wheel (4) and the driven wheel (5).

3. The backlight illumination device for inspecting flat panel display device according to claim 1, wherein the connecting mechanism comprises a clamping rod (11) and a spring (12), a slot is arranged on the threaded rod (10) near one end of the electric telescopic rod (8), the slot is matched with the electric telescopic rod (8), grooves are symmetrically arranged on the inner wall of the slot, the clamping rod (11) is slidably connected in the grooves, the spring (12) is fixedly connected between the clamping rod (11) and the inner wall of the groove, arc-shaped grooves are symmetrically arranged on the electric telescopic rod (8), and the arc-shaped grooves are matched with the clamping rod (11).

4. The backlight device for inspecting flat display device as claimed in claim 1, wherein an elastic pad is provided on an inner sidewall of the clamping plate (21), and the elastic pad is made of rubber material.

5. The backlight illumination device for inspecting flat panel display device according to claim 1, wherein the partition plate (9) and the right side wall of the housing (1) are provided with a plurality of vent holes, and the size of the vent hole is 10 cm.

6. A backlight device for inspecting a flat panel display device according to claim 1, wherein a glass plate (18) is fixedly attached to a top wall of the housing (1).

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