CN210037157U

CN210037157U - LED display screen module testing arrangement

Info

Publication number: CN210037157U
Application number: CN201920898600.2U
Authority: CN
Inventors: 张郝谦; 赵延辉; 徐雷宁
Original assignee: Hebei Juzhong Wisdom Advertising Co Ltd
Current assignee: Hebei Juzhong Wisdom Advertising Co Ltd
Priority date: 2019-06-15
Filing date: 2019-06-15
Publication date: 2020-02-07
Anticipated expiration: 2029-06-15

Abstract

The utility model discloses a LED display screen module testing device, including angle carousel, positioning mechanism and clamping mechanism, positioning mechanism sets up in the top of angle carousel, positioning mechanism includes first fixed plate and the first in command, first fixed plate sets up in the top of angle carousel, the tip of movable block runs through the inside of first fixed plate and second insulating pad in proper order and is connected with the locating plate each other, the first in command is located the outside of first fixed plate, and the middle part of the first in command and the tip of first pivot interconnect; the utility model discloses a be provided with first pivot, movable block and the first in command for corotation or the first in command of reversal during, two locating plates can be done and be close to the motion each other or do the motion of keeping away from each other, thereby make the central axis of installing the LED display screen module between the locating plate can coincide each other with the central axis of angle carousel, thereby promoted the accuracy of test luminous angle.

Description

LED display screen module testing arrangement

Technical Field

The utility model belongs to the technical field of the LED display screen, concretely relates to LED display screen module testing arrangement.

Background

The LED display screen module is one of main components forming a finished LED display screen, and mainly comprises an LED lamp, a PCB (printed Circuit Board), a driving IC (integrated Circuit), a resistor, a capacitor and a plastic sleeve, and the important technical parameter of the luminous angle of the LED display screen module is more and more emphasized, and a testing device is required to be used when the luminous angle of the LED display screen module is tested.

Like the utility model discloses a LED display screen module luminous angle testing arrangement that utility model is CN206725195U, it has realized the fixed of LED display screen module, but does not set up positioning mechanism, can't be in the same place the installation of the central axis of LED display screen module and the mutual coincidence of the central department axis of angle carousel, only can rely on installer's experience to go the installation, thereby luminous angle measurement's accuracy has been reduced, and then the data that leads to obtaining often have the error, for this reason we propose an LED display screen module testing arrangement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED display screen module testing arrangement 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: the utility model provides a LED display screen module testing arrangement, includes the angle carousel, positioning mechanism and clamping mechanism, positioning mechanism sets up in the top of angle carousel, positioning mechanism includes first fixed plate and the first in command, first fixed plate sets up in the top of angle carousel, and the internally mounted of first fixed plate has first pivot to the outer wall of first pivot is provided with the movable block, the tip of movable block runs through the inside and the locating plate interconnect of first fixed plate and the insulating pad of second in proper order, and has laid first insulating pad in one side of locating plate to the insulating pad of second sets up in the outer wall of first fixed plate, the first in command is located the outside of first fixed plate, and the middle part of the first in command and the tip interconnect of first pivot.

Preferably, clamping mechanism sets up in the top of angle carousel, clamping mechanism includes the second fixed plate, the second fixed plate sets up in the top of angle carousel, and the inside of second fixed plate runs through there is the lead screw to the one end of lead screw is connected with the second handle, the other end of lead screw is provided with the third fixed plate, and the third fixed plate installs in the inside of clamp plate to the third insulating pad has been laid to one side of clamp plate, the bottom of clamp plate is fixed with the stopper, and the stopper is installed in the inside of spacing groove, and the top in angle carousel is seted up to the spacing groove.

Preferably, the center department of angle carousel bottom is connected with the second pivot, and the lower extreme of second pivot is installed in the center department at base top to one side at base top is fixed with the angle pointer, and the edge at angle carousel top is provided with the scale mark moreover.

Preferably, both ends of the first rotating shaft are designed to be thread-shaped structures, and the thread-shaped directions of both ends of the first rotating shaft are opposite.

Preferably, the movable blocks are symmetrically arranged about the central axis of the first rotating shaft, the first rotating shaft is in threaded connection with the movable blocks, and the movable blocks and the first fixing plate form a clamping type sliding structure.

Preferably, the two positioning plates are symmetrically arranged about the central axis of the first rotating shaft, and the positioning plates are connected with the first insulating pad in a sticking manner.

Preferably, the outer wall of the screw rod and the inner wall of the second fixing plate are both designed to be in a thread structure, and the second fixing plate is in threaded connection with the screw rod.

Preferably, the third fixing plate and the screw rod are combined to form a T-shaped structure, and the combined body of the third fixing plate and the screw rod and the clamping plate form a clamping type rotating structure.

Preferably, the outer wall of the limiting block is attached to the inner wall of the limiting groove, and the limiting block and the angle turntable form a clamping type sliding structure through the limiting groove.

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

1. be provided with first pivot, movable block and the first in command for corotation or reversal first in command, two locating plates can be done and be close to the motion each other or do the motion of keeping away from each other, thereby make the central axis of installing the LED display screen module between the locating plate can coincide each other with the central axis of angle carousel, thereby promoted the accuracy of test luminous angle.

2. The LED display screen module is provided with a third fixing plate, a second fixing plate, a screw rod, a second handle, a limiting block and a limiting groove, so that the second handle can rotate forwards or backwards, the clamping plate can move leftwards or rightwards without rotating, and the LED display screen module can be clamped and fixed.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

fig. 3 is a schematic view of the internal structure of the first fixing plate shown in fig. 1 according to the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 5 is a schematic view of the installation structure of the limiting block shown in FIG. 4 according to the present invention;

in the figure: 1. an angle dial; 2. a first fixing plate; 3. a first rotating shaft; 4. a movable block; 5. positioning a plate; 6. a first insulating pad; 7. a second insulating pad; 8. a first handle; 9. a second fixing plate; 10. a screw rod; 11. a second handle; 12. a third fixing plate; 13. a clamping plate; 14. a third insulating pad; 15. a limiting block; 16. a limiting groove; 17. scale lines; 18. a second rotating shaft; 19. a base; 20. an angle pointer.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a LED display screen module testing device comprises an angle turntable 1, a positioning mechanism and a clamping mechanism, wherein the positioning mechanism is arranged at the top of the angle turntable 1 and comprises a first fixing plate 2 and a first handle 8, the first fixing plate 2 is arranged at the top of the angle turntable 1, a first rotating shaft 3 is arranged inside the first fixing plate 2, a movable block 4 is arranged on the outer wall of the first rotating shaft 3, the end part of the movable block 4 sequentially penetrates through the insides of the first fixing plate 2 and a second insulating pad 7 to be connected with a positioning plate 5, a first insulating pad 6 is paved on one side of the positioning plate 5, the second insulating pad 7 is arranged on the outer wall of the first fixing plate 2, the first handle 8 is positioned outside the first fixing plate 2, the middle part of the first handle 8 is connected with the end part of the first rotating shaft 3, so that the central axis of an LED display screen module arranged between the positioning plates 5 can coincide with the central axis of the angle turntable 1, thereby improving the accuracy of the test angle.

Make the LED display screen module can be fixed between clamping plate 13 and first fixed plate 2, thereby the convenience is to the test of LED display screen module luminous angle, this embodiment, it is preferred, clamping mechanism sets up in the top of angle carousel 1, clamping mechanism includes second fixed plate 9, second fixed plate 9 sets up in the top of angle carousel 1, and the inside of second fixed plate 9 is run through there is lead screw 10, and the one end of lead screw 10 is connected with second handle 11, the other end of lead screw 10 is provided with third fixed plate 12, and third fixed plate 12 installs in the inside of clamping plate 13, and third insulating pad 14 has been laid to one side of clamping plate 13, the bottom of clamping plate 13 is fixed with stopper 15, and stopper 15 installs in the inside of spacing groove 16, and spacing groove 16 sets up in the top of angle carousel 1.

Make angle carousel 1 rotatory through second pivot 18 and bearing to make the scale mark 17 at angle carousel 1 top can form the contained angle with between the angle pointer 20, and then can obtain rotatory angle value, this embodiment, it is preferred, the center department of angle carousel 1 bottom is connected with second pivot 18, and the lower extreme of second pivot 18 installs in the center department at base 19 top, and one side at base 19 top is fixed with angle pointer 20, and the edge at angle carousel 1 top is provided with scale mark 17 moreover.

When the first rotating shaft 3 rotates forwards or reversely, the two movable blocks 4 can move close to each other or move away from each other, so that the two movable blocks 4 can drive the two positioning plates 5 to move close to each other or move away from each other, and further, the central axis of the LED display screen module can coincide with the central axis of the angle rotating disc 1, so as to improve the accuracy of the test angle, in this embodiment, preferably, both ends of the first rotating shaft 3 are designed to be thread-shaped structures, the thread-shaped directions of both ends of the first rotating shaft 3 are opposite, the two movable blocks 4 are symmetrically arranged about the central axis of the first rotating shaft 3, the first rotating shaft 3 is in threaded connection with the movable blocks 4, the movable blocks 4 and the first fixing plate 2 form a clamping type sliding structure, and the two positioning plates 5 are symmetrically arranged about the central axis of the first rotating shaft 3, and the positioning plate 5 and the first insulating pad 6 are in adhesive connection.

When the screw rod 10 rotates forwards or backwards, the screw rod 10 can move leftwards or rightwards on the second fixing plate 9 and has a self-locking function, in this embodiment, preferably, the outer wall of the screw rod 10 and the inner wall of the second fixing plate 9 are both designed to be in a thread-shaped structure, and the second fixing plate 9 and the screw rod 10 are in threaded connection.

When the screw rod 10 rotates, the screw rod 10 can drive the third fixing plate 12 to rotate inside the clamping plate 13, so that the screw rod 10 can drive the clamping plate 13 to move, in this embodiment, preferably, the third fixing plate 12 and the screw rod 10 are combined into a "T" shaped structure, and the combined body of the third fixing plate 12 and the screw rod 10 and the clamping plate 13 form a snap-fit rotating structure.

Guaranteed that clamp plate 13 can be under the limiting displacement of stopper 15 and spacing groove 16, do irrotational removal to make third insulating pad 14 on the clamp plate 13 can with LED display screen module direct contact, thereby play the effect of protection to third insulating pad 14, this embodiment, preferred, stopper 15's outer wall and spacing groove 16's inner wall laminate each other, and stopper 15 constitutes the sliding structure of block through spacing groove 16 and angle carousel 1.

The utility model discloses a theory of operation and use flow: when the device is used, the whole device is firstly placed on a desktop, then an LED display screen module is placed between the positioning plates 5, then the first handle 8 is rotated in a forward rotation manner, then the first handle 8 drives the first rotating shaft 3 to rotate, because the thread-shaped directions at the two ends of the first rotating shaft 3 are opposite, and the first rotating shaft 3 and the two movable blocks 4 are in threaded connection, the two movable blocks 4 move close to each other, and simultaneously the two movable blocks 4 drive the two positioning plates 5 to move close to each other, so that the LED display screen module is fixed by the two positioning plates 5, meanwhile, the first insulating pad 6 on the positioning plate 5 and the second insulating pad 7 on the first fixing plate 2 play insulating and protecting roles on the LED display screen module, and simultaneously, the central axis of the LED display screen module can be coincided with the central axis of the angle rotating plate 1, thereby improving the accuracy of a test angle, then the second handle 11 is rotated forward, then the second handle 11 drives the screw rod 10 to rotate, because the screw rod 10 is in threaded connection with the second fixing plate 9, the screw rod 10 rotates to move to the left, at the same time, the screw rod 10 drives the third fixing plate 12 to rotate in the clamping plate 13, and the limiting block 15 at the bottom of the clamping plate 13 moves in the limiting groove 16, so that the clamping plate 13 does not rotate until the third insulating pad 14 on the clamping plate 13 is in close contact with the LED display screen module, at this time, the LED display screen module can be fixed, then a brightness tester is placed in front of the LED display screen module, and at this time, the brightness tester is used under the license number CN106441814B, so that the detailed description is not given here, then the angle rotating disc 1 is rotated while the luminous intensity measurement is performed by the brightness tester until the measured luminous intensity is greatly attenuated, and stopping rotating the angle dial 1, wherein the angle value corresponding to the scale mark 17 aligned with the angle pointer 20 is the maximum light-emitting angle of the LED display screen module.

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 LED display screen module testing arrangement, includes angle carousel (1), positioning mechanism and clamping mechanism, its characterized in that: the positioning mechanism is arranged on the top of the angle turntable (1), the positioning mechanism comprises a first fixing plate (2) and a first handle (8), the first fixing plate (2) is arranged at the top of the angle rotating disc (1), a first rotating shaft (3) is arranged in the first fixing plate (2), and the outer wall of the first rotating shaft (3) is provided with a movable block (4), the end part of the movable block (4) sequentially penetrates through the interiors of the first fixed plate (2) and the second insulating pad (7) to be connected with the positioning plate (5), one side of the positioning plate (5) is paved with a first insulating pad (6), and a second insulating pad (7) is arranged on the outer wall of the first fixing plate (2), the first handle (8) is positioned outside the first fixing plate (2), and the middle part of the first handle (8) is connected with the end part of the first rotating shaft (3).

2. The LED display screen module testing device of claim 1, wherein: clamping mechanism sets up in the top of angle carousel (1), clamping mechanism includes second fixed plate (9), second fixed plate (9) set up in the top of angle carousel (1), and the inside of second fixed plate (9) is run through has lead screw (10) to the one end of lead screw (10) is connected with second handle (11), the other end of lead screw (10) is provided with third fixed plate (12), and third fixed plate (12) install in the inside of clamp plate (13), and third insulating pad (14) have been laid to one side of clamp plate (13), the bottom of clamp plate (13) is fixed with stopper (15), and stopper (15) install in the inside of spacing groove (16) to the top of angle carousel (1) is seted up in spacing groove (16).

3. The LED display screen module testing device of claim 1, wherein: the center department of angle carousel (1) bottom is connected with second pivot (18), and the lower extreme of second pivot (18) is installed in the center department at base (19) top to one side at base (19) top is fixed with angle pointer (20), and the edge at angle carousel (1) top is provided with scale mark (17) moreover.

4. The LED display screen module testing device of claim 1, wherein: both ends of the first rotating shaft (3) are designed to be thread-shaped structures, and the thread-shaped directions of both ends of the first rotating shaft (3) are opposite.

5. The LED display screen module testing device of claim 1, wherein: the movable blocks (4) are symmetrically arranged about the central axis of the first rotating shaft (3), the first rotating shaft (3) is in threaded connection with the movable blocks (4), and the movable blocks (4) and the first fixing plate (2) form a clamping type sliding structure.

6. The LED display screen module testing device of claim 1, wherein: two positioning plates (5) are symmetrically arranged about the central axis of the first rotating shaft (3), and the positioning plates (5) are connected with the first insulating pad (6) in a sticking manner.

7. The LED display screen module testing device of claim 2, wherein: the outer wall of the screw rod (10) and the inner wall of the second fixing plate (9) are both designed to be in a thread structure, and the second fixing plate (9) is in threaded connection with the screw rod (10).

8. The LED display screen module testing device of claim 2, wherein: the third fixing plate (12) and the screw rod (10) are combined into a T-shaped structure, and the combined body of the third fixing plate (12) and the screw rod (10) and the clamping plate (13) form a clamping type rotating structure.

9. The LED display screen module testing device of claim 2, wherein: the outer wall of the limiting block (15) is attached to the inner wall of the limiting groove (16), and the limiting block (15) and the angle turntable (1) form a clamping type sliding structure through the limiting groove (16).