CN212721383U

CN212721383U - A tool for detecting LED backlight roughness

Info

Publication number: CN212721383U
Application number: CN202021279005.XU
Authority: CN
Inventors: 徐建新; 赵庆高; 尹云飞
Original assignee: Shenzhen Xiaobao Robot Co ltd
Current assignee: Shenzhen Xiaobao Robot Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-03-16
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a tool for detecting LED backlight roughness, comprising a base plate, the top surface of bottom plate is installed with PLC controller and power, bottom plate edge all around is respectively through the bottom looks fixed mounting of screw and curb plate, the top of curb plate is through screw fixed mounting upper plate, the top surface of upper plate is installed the detection subassembly respectively; the utility model aims to provide a tool for detecting LED backlight roughness, through being provided with the multiunit inductor on the upper plate, fix the product that needs to detect through adjustable dog, then judge through the pilot lamp that the product is level and smooth whether the product is smooth.

Description

A tool for detecting LED backlight roughness

Technical Field

The utility model relates to a LED backlight detects technical field, specifically is a tool for detecting LED backlight roughness.

Background

In the process of producing the LED backlight source, the flatness of the produced LED backlight product is often required to be detected and processed, in the prior art, the detection of the backlight source product and the detection of the iron frame incoming material uses marble as a reference, the product is placed on the marble, a feeler gauge is used as a detection tool, the use efficiency is low, and the flatness of each point is difficult to detect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tool for detecting LED backlight roughness through being provided with the multiunit inductor on the upper plate, will need the product that detects to fix through adjustable dog, then judges through the pilot lamp whether the product levels to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a jig for detecting the flatness of an LED backlight source comprises a bottom plate, wherein a PLC (programmable logic controller) and a power supply are installed on the top surface of the bottom plate, the peripheral edges of the bottom plate are fixedly installed with the bottom ends of side plates through screws respectively, the top ends of the side plates are fixedly installed with an upper plate through screws, and detection assemblies are installed on the top surface of the upper plate respectively; the detection assembly comprises a button, a green indicator lamp, a red indicator lamp, an adjustable stop block, an inductor and an LED nixie tube, wherein the inductor is electrically connected with the input end of the PLC, the green indicator lamp and the red indicator lamp are electrically connected with the output end of the PLC, a battery is electrically connected with the power supply input end of the PLC, and the button is electrically connected with the control end of the PLC.

Preferably, hand-held ports are formed in side plates on two sides of the bottom plate, and rubber sleeves are sleeved on side walls of the hand-held ports.

Preferably, the bottom surface corner of bottom plate is the rigid coupling respectively has the foot seat, the rubber pad is all installed to the bottom of foot seat.

Preferably, eight sets of inductors are arranged and penetrate through the inner part of the upper plate.

Preferably, the adjustable stop blocks are provided with six groups, and the six groups of adjustable stop blocks are respectively positioned at the periphery of the eight groups of inductors.

Preferably, the induction distance of the inductor is 0.9 mm-1.2 mm.

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

the utility model provides a tool for detecting LED backlight flatness, which is characterized in that a product to be detected is placed on the tool, when a green indicator light button is lightened, the product is flat without deformation, and the detection is passed; on the contrary, the red indicating lamp is turned on, the position LED nixie tube displays the corresponding position sensor according to the signal transmitted by the corresponding position sensing switch, the deformation, the unevenness and the poor product are shown, the flatness of the product is detected, the detection effect is good, and the precision is improved in the traditional detection mode.

Drawings

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

fig. 2 is a schematic view of the bottom structure of the upper plate of the present invention.

Reference numbers in the figures: 1. a base plate; 2. a PLC controller; 3. a power source; 34. a side plate; 5. an upper plate; 6. a hand-held port; 7. a button; 8. a green indicator light; 9. a red indicator light; 10. the stop block can be adjusted; 11. an inductor; 12. an LED nixie tube; 13. a foot seat; 14. and (7) a rubber pad.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a tool for detecting LED backlight roughness as shown in fig. 1-2, comprising a base plate 1, bottom surface corner of bottom plate 1 rigid coupling has foot rest 13 respectively, rubber pad 14 is all installed to the bottom of foot rest 13, when placing on the plane in order to make the tool, can have the antiskid, PLC controller 2 and power 3 are installed to the top surface of bottom plate 1, bottom plate 1 edge is all around through the bottom looks fixed mounting of screw with curb plate 4 respectively, handheld mouth 6 has been seted up on bottom plate 1's the both sides curb plate 4, and the lateral wall of handheld mouth 6 has cup jointed the rubber sleeve, be convenient for remove the tool in order to hold handheld mouth 6 with the hand through the user and handle, there is upper plate 5 on the top of curb plate 4 through screw fixed mounting, detecting component is installed respectively to the top surface of upper plate 5.

The detection assembly comprises a button 7, a green indicator light 8, a red indicator light 9, an adjustable stop block 10, an inductor 11 and an LED nixie tube 12, wherein the inductor 11 is electrically connected with the input end of the PLC controller 2, the green indicator light 8 and the red indicator light 9 are both electrically connected with the output end of the PLC controller 2, a battery is electrically connected with the power supply input end of the PLC controller 2, the button 7 is electrically connected with the control end of the PLC controller 2, eight groups of inductors 11 are arranged on the inductor 11, the eight groups of inductors 11 penetrate through the upper plate 5, in order to increase the detection force for the smoothness of a product, the adjustable stop block 10 is provided with six groups, the six groups of adjustable stop blocks 10 are respectively positioned at the periphery of the eight groups of inductors 11, in order to ensure that the product can not shake and displace in the process of detection in the placement process, the induction distance of the inductor 11 is 0.9-1.2 mm, in order to improve the detection precision of the jig.

The utility model provides a pair of a theory of operation for detecting tool of LED backlight roughness as follows:

before the use, the fixture and the power supply 3 are firstly pressed down, the button 7 is pressed down, the LED nixie tube 12 is completely displayed and returns to zero, the red indicator lamp 9 and the green indicator lamp 8 are in the light-off state, and the resetting is completed. When the device is used, after the fixture is reset, a product to be detected is placed on the fixture, and when the button of the green indicator light 8 is turned on, the product is flat and is not deformed, and the detection is passed; on the contrary, the red indicator light 9 is turned on, the 8-bit LED nixie tube 12 displays the corresponding number according to the signals transmitted by the 8 corresponding inductive switches, for example, when the upper left corner of the product is deformed, the sensor 11 does not obtain a signal and transmits the signal to the PLC controller 2, and the PLC controller 2 transmits a signal to the first bit of the LED nixie tube 12 (displaying the number 1, which indicates that the position of the corresponding sensor 11 of the product is deformed, uneven and the product is bad.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tool for detecting LED backlight roughness, includes bottom plate (1), its characterized in that: the top surface of the bottom plate (1) is provided with a PLC (programmable logic controller) controller (2) and a power supply (3), the edges of the periphery of the bottom plate (1) are fixedly mounted with the bottom ends of the side plates (4) through screws respectively, the top ends of the side plates (4) are fixedly mounted with an upper plate (5) through screws, and the top surface of the upper plate (5) is provided with a detection assembly respectively;

the detection assembly comprises a button (7), a green indicator lamp (8), a red indicator lamp (9), an adjustable stop block (10), an inductor (11) and an LED nixie tube (12), wherein the inductor (11) is electrically connected with the input end of the PLC (2), the green indicator lamp (8) and the red indicator lamp (9) are electrically connected with the output end of the PLC (2), a battery is electrically connected with the power supply input end of the PLC (2), and the button (7) is electrically connected with the control end of the PLC (2).

2. The jig for detecting the flatness of the LED backlight source according to claim 1, wherein: the side plates (4) on the two sides of the bottom plate (1) are provided with handheld ports (6), and the side walls of the handheld ports (6) are sleeved with rubber sleeves.

3. The jig for detecting the flatness of the LED backlight source according to claim 1, wherein: the bottom surface corner of bottom plate (1) is the rigid coupling respectively has foot seat (13), rubber pad (14) are all installed to the bottom of foot seat (13).

4. The jig for detecting the flatness of the LED backlight source according to claim 1, wherein: eight groups of inductors (11) are arranged and all penetrate through the upper plate (5).

5. The tool for detecting the flatness of the LED backlight source according to claim 4, wherein: six groups of adjustable stop blocks (10) are arranged, and the six groups of adjustable stop blocks (10) are respectively positioned at the periphery of the eight groups of inductors (11).

6. The jig for detecting the flatness of the LED backlight source according to claim 1, wherein: the induction distance of the inductor (11) is 0.9 mm-1.2 mm.