CN115171551A

CN115171551A - Small-spacing LED display screen capable of preventing collision

Info

Publication number: CN115171551A
Application number: CN202210890128.4A
Authority: CN
Inventors: 张坤; 张喜光; 周金玲; 王建忠; 陈本亮; 杨加明
Original assignee: Xinyang Gma Optoelectronic Technology Co ltd
Current assignee: Xinyang Gma Optoelectronic Technology Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-10-11
Anticipated expiration: 2042-07-27
Also published as: CN115171551B

Abstract

The invention discloses an anti-collision small-spacing LED display screen, and belongs to the technical field of semiconductors. The LED lamp comprises an LED module and a protection structure arranged on the LED module, wherein the LED module comprises a bottom shell and a circuit board fixedly arranged on the front side of the bottom shell, a plurality of LED lamp beads are arranged on the circuit board in an array mode, the protection structure comprises a protective plate capable of being supported on the side face of the bottom shell and the front side of the bottom shell, and the LED lamp beads on the protection circuit board are prevented from colliding through the protective plate. The anti-collision small-spacing LED display screen can effectively avoid damage caused by collision of the LED modules.

Description

Small-spacing LED display screen capable of preventing collision

Technical Field

The invention relates to the technical field of semiconductors, in particular to a collision-proof small-spacing LED display screen.

Background

The LED display screen is composed of LED dot matrixes, and characters, pictures, animations, videos and the like are displayed through the on and off of lamp beads with different colors.

The LED display screen comprises LED module and display screen box, wherein the LED module comprises the dot matrix that LED lamp pearl is constituteed, is responsible for luminous display, but the LED display screen is for conveniently transporting the storage, and its LED module can be dismantled with the display screen box and be connected, thereby it produces the damage to lead to LED lamp pearl among the LED module to collide with very easily in the transportation.

Therefore, there is a need to provide a new anti-bump small-pitch LED display screen.

Disclosure of Invention

Based on the problems in the prior art, the embodiment of the invention aims to provide a collision-prevention small-spacing LED display screen, which can effectively avoid the damage caused by collision of LED modules.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a booth apart from LED display screen that prevents colliding with, includes the LED module, and installs protective structure on the LED module, the LED module includes drain pan, fixed mounting at the positive circuit board of drain pan, a plurality of LED lamp pearls are installed to the array on the circuit board, protective structure is including keeping off in drain pan side and positive backplate to avoid colliding with through the LED lamp pearl on the backplate protection circuit board.

Furthermore, an interlayer is arranged inside the bottom shell and close to the back face of the bottom shell, openings for communicating the outside with the interlayer are formed in the side walls around the bottom shell, the LED module further comprises a mounting plate, the mounting plate is fixedly mounted on the bottom shell and located in the interlayer, the protective structure further comprises a sliding piece, the sliding piece is in sliding fit with the mounting plate and contained in the interlayer, the sliding direction of the sliding piece is perpendicular to the side walls of the bottom shell, the sliding piece is hinged to the protective plate, so that when the protective plate rotates relative to the sliding piece to a first position, the protective plate abuts against the side walls and the front face of the bottom shell, when the protective plate rotates relative to the sliding piece to a second position, the protective plate is opposite to the openings, and the protective plate can be driven to be contained in the interlayer by sliding.

Furthermore, the bottom shell is of a quadrilateral structure, and a protective structure is arranged on each side of the bottom shell.

Furthermore, a first hinge portion is arranged at one end, corresponding to the sliding member, of the protection plate, a second hinge portion is arranged at the corresponding end of the sliding member, a shaft body is arranged between the first hinge portion and the second hinge portion, so that the protection plate can rotate around the axis of the shaft body relative to the sliding member, a friction wheel is arranged on the protection plate and on the same axis with the shaft body, a sliding hole is formed in the sliding member and close to the shaft body, the protection structure further comprises a damping rod and an elastic member, the damping rod is slidably arranged in the sliding hole and points to the friction wheel, and the elastic member is arranged at the tail of the damping rod to push the damping rod to the friction wheel and abut against the friction wheel.

Furthermore, the guard plate comprises a first section, a second section and a third section which are connected in sequence, the first section is perpendicular to the second section, the second section is perpendicular to the third section, the first section and the third section are both located on the same side of the second section, and the first hinge portion is located at one end, far away from the second section, of the first section.

Furthermore, the position on the guard plate and at the second section is provided with a clamping protrusion, the corresponding side wall of the bottom shell is provided with a clamping groove, and when the guard plate rotates to the first position, the clamping protrusion on the guard plate can be buckled in the clamping groove.

Furthermore, a guide groove is formed in the mounting plate corresponding to the sliding piece, pin pins are arranged on one side, close to the mounting plate, of the sliding piece, the sliding piece is movably abutted to the mounting plate, the pin pins are slidably inserted into the guide groove, and a fastening piece is arranged on one side, far away from the sliding piece, of the pin and located on the mounting plate.

Further, the LED module still includes the piece that resets, the piece that resets is connected between the slider among a plurality of protective structure to make the slider have the trend of moving in to the intermediate layer all the time.

Furthermore, the anti-collision small-spacing LED display screen further comprises a display screen box body, a plurality of positioning pins are arranged on the back face of the bottom shell in the LED module, positioning holes are correspondingly formed in the front face of the display screen box body, and the positioning pins are correspondingly inserted into the positioning holes of the display screen box body.

Furthermore, a magnet is arranged on the back surface of the bottom shell, and at least the front surface of the display screen box body is made of ferromagnetic materials.

The invention has the beneficial effects that: the invention provides a collision-prevention small-spacing LED display screen which comprises an LED module and a protection structure arranged on the LED module, wherein the LED module comprises a bottom shell and a circuit board fixedly arranged on the front surface of the bottom shell, a plurality of LED lamp beads are arranged on the circuit board in an array mode, the protection structure comprises a protection plate capable of abutting against the side surface and the front surface of the bottom shell, and therefore the LED lamp beads on the circuit board are protected from collision through the protection plate.

Drawings

The invention is further illustrated by the following figures and examples.

In the figure: fig. 1 is a schematic perspective view of a bump-proof small-spacing LED display screen according to an embodiment of the present invention.

Fig. 2 is a partially exploded view of the bump-proof small-space LED display screen provided in the embodiment of the present invention.

Fig. 3 is a schematic front view of an LED module according to an embodiment of the present invention.

Fig. 4 is a schematic back view of an LED module according to an embodiment of the present invention.

Fig. 5 is a schematic view of the LED module provided in the embodiment of the present invention, with a protective structure omitted.

Fig. 6 is a partially exploded view of an LED module according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a bottom case according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a mounting plate according to an embodiment of the present invention.

Fig. 9 is a schematic diagram of a protection structure provided in an embodiment of the present invention in a closed state.

Fig. 10 is a front view of fig. 9.

Fig. 11 is a schematic view of the protection structure provided in the embodiment of the present invention in an open state.

Fig. 12 is a front view of fig. 11.

FIG. 13 is a front view of a fender provided in accordance with an embodiment of the invention.

Fig. 14 is a schematic front view of an LED module according to an embodiment of the present invention, and illustrates that the protection structure is in an open state.

Fig. 15 is a sectional view taken along the direction E-E in fig. 14.

Fig. 16 is an enlarged schematic view of region a in fig. 15.

Fig. 17 is a schematic front view of an LED module according to an embodiment of the present invention, and illustrates that the protection structure is in a closed state.

Fig. 18 is a sectional view taken along the direction F-F in fig. 17.

Wherein, in the figures, the various reference numbers: 100. an LED module; 110. a bottom case; 111. an interlayer; 112. an opening; 113. a card slot; 114. positioning pins; 115. a magnet; 120. a circuit board; 121. an LED lamp bead; 130. mounting a plate; 131. a guide groove; 140. a support plate; 150. a reset member.

200. A protective structure; 210. a guard plate; 211. a first stage; 212. a second stage; 213. a third stage; 215. a first hinge portion; 216. a friction wheel; 217. clamping convex; 220. a slider; 221. a second hinge portion; 222. a pin; 223. a fastener; 224. a cylinder; 225. a slide hole; 230. a shaft body; 240. a damping rod; 250. an elastic member.

300. A display screen box body; 310. and (6) positioning the holes.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "connected" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship that is indicated based on the orientation or positional relationship as shown in the figures, which is for convenience in describing the invention and to simplify the description, and that does not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner and is not to be construed as limiting the invention.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment," "in some embodiments," or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1, fig. 2 and fig. 3, a bump-proof small-pitch LED display screen according to an embodiment of the present invention is described, where the bump-proof small-pitch LED display screen includes an LED module 100 and a protection structure 200 installed on the LED module 100, the LED module 100 includes a bottom shell 110 and a circuit board 120 fixedly installed on the front surface of the bottom shell 110, a plurality of LED beads 121 are installed on the circuit board 120 in an array, and the protection structure 200 includes a protection plate 210 capable of abutting against the side surface and the front surface of the bottom shell 110, so that the LED beads 121 on the circuit board 120 are protected from being bumped by the protection plate 210. Through the technical scheme, the collision-prevention small-interval LED display screen provided by the embodiment of the invention can effectively prevent the LED module from damaging the fragile LED lamp beads 121 due to collision in the transportation process, and prolong the service life of the LED display screen.

As shown in fig. 2, in some embodiments, an interlayer 111 is disposed inside the bottom housing 110 and near the back of the bottom housing 110, an opening 112 communicating the outside and the interlayer 111 is formed on the peripheral side wall of the bottom housing 110, the LED module 100 further includes a mounting plate 130, the mounting plate 130 is fixedly mounted on the bottom housing 110 and located in the interlayer 111, the protective structure 200 further includes a slider 220, the slider 220 is slidably fitted on the mounting plate 130 and received in the interlayer 111, the sliding direction of the slider 220 is perpendicular to the side wall of the bottom housing 110, as shown in fig. 9, the slider 220 is hinged to the protective plate 210, as shown in fig. 3 and 12, so that when the protective plate 210 rotates relative to the slider 220 to a first position, the protective plate 210 abuts against the side wall and the front surface of the bottom housing 110, so that when the LED modules 100 are stacked and stored, only the protective plates 210 contact each other between adjacent LED modules 100, and the peripheral side of the circuit board 120 and the LED beads 121 on the circuit board 120 are effectively protected; as shown in fig. 10, when the protection plate 210 rotates relative to the sliding member 220 to the second position, the protection plate 210 is opposite to the opening 112, and the sliding protection plate 210 can drive the protection plate 210 to be accommodated in the interlayer 111, so that the protection plate 210 can be easily retracted when the LED modules are assembled, abutting and splicing of adjacent LED modules are not hindered, a small distance between the LED modules is ensured, and a display effect is ensured. Specifically, in the present embodiment, the bottom housing 110 is a quadrilateral structure, and a protection structure 200 is disposed on each side of the bottom housing 110, so that the four protection plates 210 in the four protection structures 200 can protect the periphery of the LED module 100.

As shown in fig. 9, in some embodiments, one end of the guard plate 210 corresponding to the sliding element 220 is provided with a first hinge portion 215, a corresponding end of the sliding element 220 is provided with a second hinge portion 221, a shaft body 230 is installed between the first hinge portion 215 and the second hinge portion 221, so that the guard plate 210 can rotate relative to the sliding element 220 around the axis of the shaft body 230, as shown in fig. 16, a friction wheel 216 is installed on the guard plate 210 at a position coaxial with the shaft body 230, a sliding hole 225 is opened on the sliding element 220 at a position close to the shaft body 230, the protective structure 200 further includes a damping rod 240 and an elastic member 250, the damping rod 240 is slidably installed in the sliding hole 225 and points to the friction wheel 216, and the elastic member 250 is installed at the tail of the damping rod 240 to push and hold the damping rod 240 against the friction wheel 216, so that the guard plate 210 has a certain damping force when rotating relative to the sliding element 220, and the guard plate 210 is prevented from rotating and being damaged by impact.

As shown in fig. 13, in some embodiments, the protective plate 210 includes a first section 211, a second section 212, and a third section 213 connected in sequence, the first section 211 is perpendicular to the second section 212, the second section 212 is perpendicular to the third section 213, and both the first section 211 and the third section 213 are located on the same side of the second section 212, and the first hinge 215 is located at an end of the first section 211 away from the second section 212, as shown in fig. 15, so that when the protective plate 210 rotates to the first position, the second section 212 of the protective plate 210 can just abut against and attach to the side wall of the bottom case 110, and the third section 213 is parallel to the front surface of the bottom case 110 to block the side edge and the front surface of the circuit board 120, so as to prevent the LED lamp bead 121 on the circuit board 120 from colliding.

As shown in fig. 12, in some embodiments, the guard plate 210 is provided with a locking protrusion 217 at a position of the second section 212, as shown in fig. 5, a locking groove 113 is formed on a corresponding side wall of the bottom casing 110, and when the guard plate 210 rotates to the first position, the locking protrusion 217 on the guard plate 210 can be buckled in the locking groove 113 to lock the guard plate 210 on the bottom casing 110, so that the guard plate 210 can be kept at the first position for a long time to protect the LED module 100.

In some embodiments, when the shield 210 is located at the first position, the third section 213 of the shield 210 is spaced apart from the LED lamp bead 121 on the circuit board 120 to prevent the shield 210 from impacting the LED lamp bead 121 when the shield 210 is subjected to bending deformation.

As shown in fig. 8, in some embodiments, the mounting plate 130 is provided with a guide slot 131 corresponding to the sliding member 220, as shown in fig. 9, a pin 222 is disposed on a side of the sliding member 220 close to the mounting plate 130, the sliding member 220 movably abuts against the mounting plate 130, the pin 222 is slidably inserted into the guide slot 131, and a fastener 223 is fixedly mounted on the pin 222 and located on a side of the mounting plate 130 away from the sliding member 220, so that the sliding member 220 is not easily separated from the mounting plate 130 by the fastener 223, and the sliding member 220 can slide on the mounting plate 130 by the pin 222. Specifically, the pins 222 are cylindrical, so that friction generated by contact between the pins 222 and the side walls of the guide grooves 131 is small, and two pins 222 are spaced apart from each other on the sliding member 220 to prevent the sliding member 220 from rotating along the axial line of the pins 222. Specifically, the mounting plate 130 is provided with four guide grooves 131 corresponding to the four protection structures 200.

In some embodiments, the LED module 100 further includes a restoring member 150, and the restoring member 150 is connected between the sliding members 220 in the plurality of protective structures 200, so that the sliding members 220 always have a tendency to move into the interlayer 111. As shown in fig. 11, specifically, the sliding member 220 is provided with a cylinder 224, the resetting member 150 is an elastic ring-shaped structure, the resetting member 150 is in a stretched state and is sleeved on the cylinders 224 of the sliding members 220, so that the sliding members 220 are forced to be drawn together by using the elastic restoring force of the resetting member 150, when the guard plate 210 is at the first position, because the locking protrusion 217 on the guard plate 210 is matched with the locking groove 113, the resistance along the second section length direction of the guard plate 210 and the force exerted by the resetting member 150 on the first section 211 are not collinear, the resetting member 150 cannot pull the guard plate 210, when the guard structure 200 needs to be closed, an external force is firstly exerted to make the locking protrusion 217 disengage from the locking groove 113, and then the guard plate 210 is quickly pulled into the interlayer 111 by the elastic force of the resetting member 150, thereby saving a certain operation time.

As shown in fig. 18, in some embodiments, the LED module 100 further includes a supporting plate 140 embedded in the front surface of the bottom chassis 110 to be spaced apart from the front surface of the bottom chassis 110 by a supporting plate 140 interlayer 111, as shown in fig. 5, and to make the front surface of the bottom chassis 110 have a sufficient area to support the circuit board 120, so that the circuit board 120 can be firmly fixed on the front surface of the bottom chassis 110.

The anti-collision small-distance LED display screen further comprises a display screen box body 300, as shown in fig. 4, the back of the bottom shell 110 in the LED module 100 is provided with a plurality of positioning pins 114, the front surface of the display screen box body 300 is correspondingly provided with positioning holes 310, the positioning pins 114 are correspondingly inserted into the positioning holes 310 of the display screen box body 300, so that the LED module 100 is covered and installed on the display screen box body 300, it can be understood that the LED module 100 on the display screen box body 300 can be multiple, and the adjacent LED modules 100 are tightly attached.

As shown in fig. 4, in some embodiments, the magnets 115 are disposed on the back surface of the bottom casing 110 of the LED module 100, and at least the front surface of the display screen box 300 is made of ferromagnetic material, so that the magnetic attraction between the magnets 115 on the bottom casing 110 and the display screen box 300 can enhance the connection stability between the LED module 100 and the display screen box 300.

The anti-collision small-distance LED display screen further comprises a power circuit module (not shown) and a control circuit module (not shown), wherein the power circuit module and the control circuit module are electrically connected with the circuit board 120 in the LED module 100, and specifically, the power circuit module and the control circuit module are fixedly installed on the display screen box body 300.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a prevent booth apart from LED display screen that collides with which characterized in that: including the LED module, and install protective structure on the LED module, the LED module includes drain pan, fixed mounting at the positive circuit board of drain pan, a plurality of LED lamp pearls are installed to the array on the circuit board, protective structure is including keeping off in drain pan side and positive backplate to avoid colliding with through the LED lamp pearl on the backplate protection circuit board.

2. The bump-proof small-spacing LED display screen according to claim 1, characterized in that: the LED module comprises a bottom shell, a protective structure and a sliding piece, wherein an interlayer is arranged inside the bottom shell and close to the back surface of the bottom shell, openings communicated with the outside and the interlayer are formed in the side walls around the bottom shell, the mounting plate is fixedly mounted on the bottom shell and located in the interlayer, the sliding piece is in sliding fit with the mounting plate and contained in the interlayer, the sliding direction of the sliding piece is perpendicular to the side walls of the bottom shell, the sliding piece is hinged to the protective plate, the protective plate is abutted to the side walls and the front surface of the bottom shell when the protective plate rotates relative to the sliding piece at a first position, the protective plate is opposite to the openings when the protective plate rotates relative to the sliding piece at a second position, and the protective plate can be driven to be contained in the interlayer by the sliding protective plate.

3. The bump-proof small-spacing LED display screen according to claim 1, characterized in that: the bottom shell is of a quadrilateral structure, and each side of the bottom shell is provided with a protection structure.

4. The bump-proof small-spacing LED display screen according to claim 2, characterized in that: the protective structure comprises a protective plate, a sliding part and an elastic part, wherein a first hinge part is arranged at one end of the protective plate corresponding to the sliding part, a second hinge part is arranged at the corresponding end of the sliding part, a shaft body is arranged between the first hinge part and the second hinge part, so that the protective plate can rotate relative to the sliding part around the axis of the shaft body, a friction wheel is arranged on the protective plate and is coaxial with the shaft body, a sliding hole is formed in the sliding part and is close to the shaft body, the protective structure further comprises a damping rod and the elastic part, the damping rod is slidably arranged in the sliding hole and points to the friction wheel, and the elastic part is arranged at the tail part of the damping rod to push the damping rod to and abut against the friction wheel.

5. The bump-proof small-spacing LED display screen according to claim 4, characterized in that: the guard plate comprises a first section, a second section and a third section which are sequentially connected, wherein the first section is vertical to the second section, the second section is vertical to the third section, the first section and the third section are both positioned on the same side of the second section, and the first hinge part is positioned on one end, far away from the second section, of the first section.

6. The bump-proof small-spacing LED display screen according to claim 5, characterized in that: the position on the guard plate and located at the second section is provided with a clamping protrusion, a clamping groove is formed in the corresponding side wall of the bottom shell, and when the guard plate rotates to the first position, the clamping protrusion on the guard plate can be buckled in the clamping groove.

7. The bump-proof small-spacing LED display screen according to claim 2, characterized in that: the mounting plate is provided with a guide groove corresponding to the sliding piece, one side of the sliding piece close to the mounting plate is provided with a pin, the sliding piece is movably abutted against the mounting plate, the pin can be inserted into the guide groove in a sliding mode, and a fastener is arranged on one side of the pin, which is located on the mounting plate and is far away from the sliding piece.

8. The bump-proof small-spacing LED display screen according to claim 3, characterized in that: the LED module further comprises a resetting piece, and the resetting piece is connected between the sliding pieces in the plurality of protective structures, so that the sliding pieces always have the tendency of moving towards the inner layer.

9. The bump-proof small-spacing LED display screen according to claim 1, characterized in that: the anti-collision small-spacing LED display screen further comprises a display screen box body, a plurality of positioning pins are arranged on the back face of the bottom shell in the LED module, positioning holes are correspondingly formed in the front face of the display screen box body, and the positioning pins are correspondingly inserted into the positioning holes of the display screen box body.

10. The bump-proof small-spacing LED display screen according to claim 9, characterized in that: the back of the bottom shell is provided with a magnet, and at least the front of the display screen box body is made of ferromagnetic materials.