CN110767100B

CN110767100B - Dismantle convenient LED module

Info

Publication number: CN110767100B
Application number: CN201911046181.0A
Authority: CN
Inventors: 肖永胜; 陈琳; 肖凯乐
Original assignee: Guizhou Nanke Zhongkong Technology Co ltd
Current assignee: Guizhou Nanke Zhongkong Technology Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2021-06-08
Anticipated expiration: 2039-10-30
Also published as: CN110767100A

Abstract

The application relates to the technical field of advertisement screens, and particularly discloses a conveniently-disassembled LED module, which comprises an LED module and a fixed frame, wherein the LED module is detachably connected with the fixed frame, a through hole is formed in the LED module, and a blocking block is connected in the through hole in a sliding manner. The purpose of this patent is to solve the LED module on the advertising screen too densely and inconvenient problem of dismantling.

Description

Dismantle convenient LED module

Technical Field

The invention relates to the technical field of advertisement screens, in particular to an LED module convenient to disassemble.

Background

At present, high-technology electronic products such as large advertising screens, large televisions and the like are gradually changed from conventional lamp box type advertising boards and projection type large televisions into LED advertising boards and televisions along with the development of LEDs. The LED billboard and the television are formed by fixing small LED modules on a designed frame, wherein the most common method is to install and fix the LED modules behind the LED modules, a fixing frame body is fixed behind the LED modules, sealing strips are arranged on the fixing frame body, the LED modules are arranged in the integral fixing frame body during assembly, the sealing strips are tightly pressed on the frame of the integral fixing frame body, and the LED modules are fixed in the integral fixing frame body through fixing screws, so that the LED circuit board is sealed in the integral fixing frame body.

Because the sealing rubber ring is arranged around the LED module to prevent the damage of the circuit caused by water entering from the front, the method can effectively prevent rainwater from entering. However, a common electronic screen is composed of dozens to hundreds of modules, the installation height is different from several meters to dozens of meters, the failure rate of the existing electronic screen is high, and the electronic screen manufactured by the method has the problem that the whole electronic screen needs to be detached to be maintained on the ground when the modules or other devices are repaired or replaced, which is extremely inconvenient.

Chinese patent No. CN201936559U discloses an LED module convenient to disassemble, which includes an LED module and a fixed frame; be equipped with the strong magnet piece in the fixed frame body, be equipped with fixed iron bar simultaneously in the fixed frame body of the whole that is used for fixed LED module, fixed frame body is equipped with the sealing strip next to the strong magnet piece.

In the scheme, the LED module is convenient to install and maintain and simple in structure, not only is convenient to produce, but also is very low in cost.

Although the problem that a single LED module is convenient to disassemble is solved in the scheme, the problem that the LED modules on the advertising screen are too dense and inconvenient to disassemble also exists.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the LED module convenient to disassemble, and solves the problem that the LED module on the advertising screen is too dense and inconvenient to disassemble.

In order to solve the problems, the technical scheme adopted by the invention is as follows: the LED module convenient to disassemble comprises an LED module and a fixed framework, wherein the LED module is detachably connected with the fixed framework, a through hole is formed in the LED module, and a blocking block is connected in the through hole in a sliding mode.

The technical principle of the technical scheme is as follows:

the LED module is detachably connected with the fixed frame, so that the single LED module is conveniently detached.

2, the LED module is provided with a through hole, a blocking block is connected in the through hole in a sliding manner, when the blocking block is pressed by a hand, the blocking block approaches to the fixed frame, and fingers can extend into the through hole, so that the LED module on the advertising screen can be conveniently detached; and after the LED module is overhauled or replaced, resetting the blocking block and then installing the LED module on the fixed frame.

3. The effect of the sprue is to plug the through hole, and water is prevented from entering the LED module.

The beneficial effect that this scheme produced is:

1. compared with the LED module in the prior art, the LED module in the prior art only solves the problem that a single LED module is convenient to disassemble, and the LED module on the advertising screen is still inconvenient to disassemble due to too dense; and through setting up through-hole and sprue in this application scheme, when pressing the sprue with the hand, the sprue is close to fixed frame, and during the finger can stretch into the through-hole, makes things convenient for the dismantlement of LED module on the advertisement screen, because the cross section of sprue compares very little with whole advertisement screen, therefore the influence that the sprue caused to advertisement screen display effect can be ignored basically.

2. Compared with the LED module in the prior art, the LED module on the advertising screen is too dense and inconvenient to disassemble in the prior art, so that the LED module is required to be pried by using a tool, the LED module is easy to fall off in the prying process, and the LED module is easy to break or injure people below the advertising screen; in the scheme, the fingers need to stretch into the through holes to grab the LED modules firmly, so that the LED modules can be detached, the LED modules are not easy to drop, the detaching safety of the LED modules can be improved, and the economic loss caused by the fact that the LED modules are broken can be reduced.

Further, an LED lamp is arranged on the blocking block.

The display effect of the whole LED module is prevented from being influenced by the blocking blocks.

Furthermore, the fixed frame is welded into a latticed frame by criss-cross square steel; a box-shaped back plate with an opening at the bottom is fixed on the back side surface of the fixed frame, and the back plate can completely cover the back side surface of the fixed frame; the LED module is in a box shape with an opening facing the fixed frame, and a strong magnet matched with the fixed frame is arranged on one side surface, close to the fixed frame, of the LED module.

The LED module is detachably connected with the fixed frame through the magnet, so that the LED module is convenient to detach and is arranged into a box body, and the LED module is convenient to dissipate heat.

Furthermore, a strong magnet is arranged on the outer side wall of the LED module.

After the LED module is detached, the LED module is fixed on the fixed frame through the magnets on the side faces of the LED module, the front side face and the rear side face of the LED module can be observed in front of the advertising screen conveniently, and the LED module can be maintained conveniently.

Further, a T-shaped sliding groove is formed in the inner side wall of the LED module, a T-shaped sliding block is connected to the T-shaped sliding groove in a sliding mode, the T-shaped sliding block is fixed to the blocking block, a spring is arranged in the T-shaped sliding groove, one end of the spring is fixed to the T-shaped sliding block, and the other end of the spring is fixed to one end, close to the fixed frame, of the T-shaped sliding groove.

Make the sprue compression spring and move to fixed frame with the hand to the LED module is firmly grasped in the through-hole can stretch into to the hand, then takes off the LED module hard, realizes the installation of LED module with the same reason, takes out the hand after having installed the LED module, and the sprue is automatic re-setting under the effort of spring and with the through-hole shutoff, avoids the inside intake of LED module.

Furthermore, sealing rubber strips are fixed on the edges of the periphery of the LED module.

The LED module is prevented from entering water from the front side, and the normal use of the LED module is prevented from being influenced.

Furthermore, a rotating rod arranged in parallel with the T-shaped sliding groove is rotatably connected to the rear side wall of the LED module, a spiral groove is formed in the rotating rod, and a fan blade is fixed to one end, away from the fixed frame, of the rotating rod; the lower end of the connecting rod is embedded into the groove and can slide along the groove, and the lower end of the connecting rod is limited in the groove.

When the block is extruded, the block compresses the spring and approaches the fixed frame, the spring stores energy, the lower end of the connecting rod drives the rotating rod to rotate in the positive direction, and the connecting rod moves to the rear end of the rotating rod; when the block is not extruded any more, the elastic force of the spring drives the block to move forwards, the block drives the connecting rod to move forwards, and the connecting rod drives the rotating rod to rotate reversely; the fan blades can be driven to rotate by the forward rotation and the reverse rotation of the connecting rod to generate wind to drive air circulation, the heat dissipation of the LED module can be realized by repeatedly pressing the blocking block, and hands are prevented from being scalded when the LED module is taken by hands.

Drawings

FIG. 1 is a front partial view of an LED module display screen.

Fig. 2 is a left side sectional view of a structure for mating the LED module with the frame.

FIG. 3 is a rear view of an LED module

Fig. 4 is a left side view of the LED module.

Fig. 5 is an enlarged view of a portion a in fig. 2.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the LED module comprises a fixed frame 10, an LED module 20, a through hole 21, a T-shaped sliding groove 22, a spring 23, a magnet 24, a block 30, a T-shaped sliding block 31, a connecting rod 40, a rotating rod 50, a groove 51 and fan blades 52.

The embodiments are substantially as shown in figures 1 to 5 of the accompanying drawings:

an LED module convenient to disassemble comprises an LED module 20 and a fixed frame 10, as shown in figure 1, the fixed frame 10 is a latticed frame welded by criss-cross square steel, the size of each grid is matched with that of one LED module, and iron bars (not shown in the figure) are welded on the latticed frame; the LED module 20 is detachably connected to the iron bar. The welding has the backplate (not shown in the figure) by the stainless steel preparation that covers the back of fixed frame 10 completely on the trailing flank of fixed frame 10, and the backplate is bottom opening and inside hollow box body form, and fixed frame is kept away from at the bottom of the box of backplate, and the effect of backplate is to avoid the LED display screen to intake, and the lower extreme opening of backplate makes things convenient for the LED display screen heat dissipation.

As shown in fig. 2 and 3, the LED module 20 is in a box shape with an opening facing the fixing frame 10, the edge of the mouth of the LED module 20 is provided with a strong magnet 24, the LED module 20 is detachably connected with the iron bar on the fixing frame 10 through the strong magnet 24, so that the LED module 20 is conveniently detached, the LED module 20 is arranged in a hollow box shape, and a certain distance is reserved between the LED module and the fixing frame, so that the LED module 20 is convenient to dissipate heat.

As shown in fig. 4, the outer side wall of the LED module 20 is also provided with a strong magnet 24. After the LED module 20 is detached, the LED module 20 is fixed on the fixing frame 10 through the magnet 24 on the side of the LED module 20, so that the side of the LED module 20 faces towards the human body, the front and the back of the LED module 20 can be observed in front of the advertisement screen, and the LED module 20 can be maintained in front of the advertisement screen.

As shown in fig. 1 and 2, a rectangular through hole 21 is formed in the LED module 20, a blocking block 30 with a rectangular cross section is slidably connected in the through hole 21, the blocking block 30 is clamped with the through hole 21, and the blocking block 30 and the through hole 21 are in over-win fit, so that the situation that the blocking block 30 does not block the through hole 21 any more when wind blows or rains, and water enters the LED module 20 is avoided. The LED lamp is also arranged on the blocking block 30, so that the display effect of the whole LED module 20 is prevented from being influenced after the blocking block 30 slides backwards.

As shown in fig. 2, a T-shaped sliding groove 22 is disposed on an inner side wall of a top portion of the LED module 20, a T-shaped slider 31 is slidably connected in the T-shaped sliding groove 22, a lower end of the T-shaped slider 31 is fixedly connected with an upper end of the blocking block 30, a spring 23 is disposed in the T-shaped sliding groove 22, one end of the spring 23 is fixed on the T-shaped slider 31, and the other end of the spring 23 is fixed at a left end of the T-shaped sliding groove 22, so that the blocking block 30 blocks the through hole 21 under an acting force of the spring 23 in the absence of.

Make the blockout 30 compression spring 23 and move to fixed frame 10 with the hand to LED module 20 can be grasped in can stretching into through-hole 21 to the hand, then takes off LED module 20 hard, realizes the installation of LED module 20 like this, takes out the hand after installing LED module 20, and blockout 30 automatic re-setting and with the shutoff of through-hole 21 under the effort of spring 23 avoids the inside water of LED module 20.

Since several tens of LED bulbs of the LED module 20 generate heat at the same time, the LED module 20 generates a large amount of heat during use, and thus, hands may be scalded when the hands directly contact the LED module during the process of disassembling the LED module 20 by hands, and therefore, the inside of the LED module 20 needs to be rapidly heat-dissipated before disassembling the LED module 20.

As shown in fig. 2, the lower end of the LED module 20 is also provided with two blocks 30, the two blocks 30 are symmetrically distributed on the upper and lower portions of the LED module 20, a rotating rod 50 is rotatably connected to the rear side surface of the LED module 20, the rotating rod 50 is arranged in parallel with the T-shaped sliding groove 22 and is located below the blocks 30, and the rotating rod 50 is not in contact with the fixed frame 10. As shown in fig. 5, the rotating lever 50 is formed with a spiral groove 51. As shown in fig. 2, the fan blades 52 are fixed to the front end of the rotating lever 50; a spiral groove 51 extends from the rear end of the rotating rod 50 to the fan blade 52; the rear side surface of the blocking block 30 is fixed with an L-shaped connecting rod 40, the vertical end of the L-shaped connecting rod 40 is vertically arranged downwards, the lower end of the L-shaped connecting rod 40 is fixed with a spherical clamping block, the spherical clamping block is embedded into the groove 51 and can slide along the groove 51, the width of the opening part of the groove 51 is smaller than the diameter of the spherical clamping block, and therefore the spherical clamping block is limited in the groove 51.

The function of the T-shaped chute 22 and the T-shaped slider 31 is to suspend the block 30 and to restrict the block 30 from sliding only along the T-shaped chute 22.

When the blocking block 30 is squeezed by hand, the blocking block 30 compresses the spring 23 and drives the L-shaped connecting rod 40 to move backwards, the spring 23 stores energy, and the spherical clamping block at the lower end of the connecting rod 40 drives the rotating rod 50 to rotate forwards; when the block 30 is not extruded any more, the elastic force of the spring 23 drives the block 30 to move forward, the block 30 drives the connecting rod 40 to move forward, and the connecting rod 40 drives the rotating rod 50 to rotate reversely; the fan blades 52 can be driven by the connecting rod 40 to rotate in the forward rotation and reverse rotation directions to generate wind to drive air circulation, the heat dissipation of the LED module 20 can be realized by repeatedly pressing the blocking block 30 for many times, and the hand scalding when the LED module 20 is taken by hands is avoided.

The material of the leading flank of LED module 20 is the resin, the heat conductivility of resin is weak, and the trailing flank of LED module 20 is connected with the wire, the heat conductivility of wire is strong, consequently the heat that LED module 20 gived off mainly concentrates on the trailing flank of LED module 20, consequently the leading flank of sprue 30 can be with hand direct contact, and can contact the trailing flank of LED module 20 when grabbing LED module 20 with the hand, consequently can lead to scalding the hand when grabbing LED module 20 with the hand.

Since the groove 51 is spiral, under the action of the spring 23, the speed of returning the block 30 is slower than that when the rotating rod 50 is not arranged, so that the block 30 does not immediately block the through hole 21, and therefore, the heat dissipation of the LED module 20 can still be realized during the forward movement of the block 30.

To facilitate the grip of the LED module 20 and to avoid the LED module 20 from falling off, the number of through holes 21 and the blocks 30 on the LED module 20 is arranged in two and symmetrically distributed on the upper and lower parts of the LED module 20.

In addition, the dust in the LED module 20 can be blown off during the forward rotation of the fan blades 52, so as to prevent the dust from accumulating in the LED module 20 and affecting the heat dissipation of the LED module 20.

Sealing rubber strips (not shown in the figure) are fixed on the peripheral edges of the LED module 20, so that the LED module 20 is prevented from entering water from the front side to influence the normal use of the LED module 20.

The specific implementation process is as follows:

make the blockout 30 compression spring 23 and move to fixed frame 10 with the hand, then loosen the hand, so relapse many times, ensure the inside heat dissipation back of LED module 20, stretch into the finger and grasp LED module 20 in the through-hole 21, then take off LED module 20 hard, magnet 24 through the side of LED module 20 fixes LED module 20 on fixed frame 10, conveniently observe the front and back side of LED module 20 simultaneously in the front of advertising screen, conveniently overhaul LED module 20, realize the installation of LED module 20 on the same principle, take out the hand after installing LED module 20, blockout 30 automatic re-setting and with the shutoff of through-hole 21 under the effort of spring 23, avoid the inside water of intaking of LED module 20.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a dismantle convenient LED module, includes LED module and fixed frame, its characterized in that: the LED module is detachably connected with the fixed frame, a through hole is formed in the LED module, and a blocking block is connected in the through hole in a sliding mode; a T-shaped sliding groove is formed in the inner side wall of the LED module, a T-shaped sliding block is connected in the T-shaped sliding groove in a sliding mode, the T-shaped sliding block is fixed with the blocking block, a spring is arranged in the T-shaped sliding groove, one end of the spring is fixed on the T-shaped sliding block, and the other end of the spring is fixed at one end, close to the fixed frame, of the T-shaped sliding groove; a rotating rod which is arranged in parallel with the T-shaped sliding groove is rotatably connected to the rear side wall of the LED module, a spiral groove is formed in the rotating rod, and a fan blade is fixed to one end, away from the fixed frame, of the rotating rod; the lower end of the connecting rod is embedded into the groove and can slide along the groove, and the lower end of the connecting rod is limited in the groove.

2. The LED module of claim 1, wherein: and the blocking block is provided with an LED lamp.

3. The LED module of claim 1, wherein: the fixed frame is a latticed frame welded by criss-cross square steel; a box-shaped back plate with an opening at the bottom is fixed on the back side surface of the fixed frame, and the back plate can completely cover the back side surface of the fixed frame; the LED module is in a box shape with an opening facing the fixed frame, and a strong magnet matched with the fixed frame is arranged on one side surface, close to the fixed frame, of the LED module.

4. The LED module of claim 1, wherein: and a powerful magnet is arranged on the outer side wall of the LED module.

5. The LED module of claim 1, wherein: and sealing rubber strips are fixed on the peripheral edges of the LED modules.