CN210722233U

CN210722233U - Wirelessly connected LED display box body and LED display screen

Info

Publication number: CN210722233U
Application number: CN201921723863.6U
Authority: CN
Inventors: 肖华勇; 何昆鹏; 吴振志; 吴涵渠
Original assignee: Shenzhen Aoto Electronics Co Ltd
Current assignee: Shenzhen Aoto Electronics Co Ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-06-09
Anticipated expiration: 2029-10-15

Abstract

The utility model relates to a wirelessly connected LED display box body and an LED display screen, wherein the LED display box body comprises a box body frame, an LED display module and a control box; the control box comprises a box body, a battery assembly, a wireless communication module and a control card, wherein the box body is provided with a cavity, and the wireless communication module and the control card are arranged in the cavity of the box body; the battery component is detachably and fixedly connected with the box body and seals the cavity of the box body; the battery assembly and the wireless communication module are electrically connected with the control card, and the control card is electrically connected with the LED display module; the wireless communication module receives externally input communication data and transmits the externally input communication data to the control card; and the control card receives and processes the communication data transmitted by the wireless communication module, and controls the display work of the LED display module according to the processing result. The electric energy is provided through the battery pack, the wireless communication data transmission is utilized, the LED display box body does not need a power line and a signal line, the dismounting efficiency can be effectively improved, and the aging requirement is met.

Description

Wirelessly connected LED display box body and LED display screen

Technical Field

The utility model relates to a LED shows the field, especially relates to a wireless connection's LED display box body and LED display screen.

Background

The LED display screen is widely applied to more and more scenes such as outdoor display, monitoring centers, advertisement/media display, stages and the like, and is generally formed by splicing a plurality of LED unit box bodies. And a power supply and a signal receiving card are arranged in each LED unit box body and are cascaded together through power lines and signal cascade lines or hard connection.

When the power line and the signal cascade line are adopted for cascade connection, the connection behind the LED unit box body is complicated. During installation, installation personnel need install and accurately align every LED unit box in proper order earlier, then connect the wire rod in proper order to guarantee the accuracy of line. When the LED unit box is disassembled, the connecting wires are firstly disassembled, and then each LED unit box body is disassembled. Therefore, the operation steps of the wire are increased, the time consumption of disassembly and assembly is increased, and the timeliness requirement of a rental occasion cannot be effectively met. Meanwhile, the wire is easy to damage, so that the signal transmission quality is influenced, and the display effect is reduced.

And hard connection modes of hard interfaces can be used between the LED unit boxes so as to avoid influence brought by connecting wires. However, due to the adoption of hard connection, the docking operation of a hard interface is required to be added during installation; also, the docking of the hard interface needs to be done carefully to avoid damaging the interface, thereby resulting in a time consuming docking operation. Meanwhile, the LED unit box body meets very high precision requirements by adopting hard connection, and the manufacturing cost is increased.

In summary, the wire connection or hard connection mode of the existing LED unit box body sets a separate operation step for the wire or the hard interface during disassembly and assembly, which consumes a long time for disassembly and assembly and cannot effectively meet the requirement of the rental occasion.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a wirelessly connected LED display box and an LED display screen to solve the problem that the assembly and disassembly of the existing LED unit box takes a long time due to the wire connection or hard connection manner.

An embodiment of the utility model provides a wireless connection's LED display box, including box frame, at least one LED display module assembly, control box, the box frame includes display surface and back, the LED display module assembly is fixed at the display surface of box frame, the control box is fixed at the back of box frame;

the control box comprises a box body, a battery assembly, a wireless communication module and a control card, wherein the box body is provided with a cavity, and the wireless communication module and the control card are arranged in the cavity of the box body; the battery component is detachably and fixedly connected with the box body, and the cavity of the box body is sealed;

the battery assembly and the wireless communication module are electrically connected with the control card, the control card is electrically connected with the LED display module, and the battery assembly supplies electric energy to the control card, the wireless communication module and the LED display module;

the wireless communication module is used for receiving externally input communication data and transmitting the externally input communication data to the control card;

and the control card is used for receiving and processing the communication data transmitted by the wireless communication module and controlling the display work of the LED display module according to the processing result.

In some embodiments, the LED display box comprises a magnetic adsorption structure, and the LED display module is fixed on the box frame through the magnetic adsorption structure.

In some embodiments, the battery assembly is provided with a buckle, and the box body is correspondingly provided with a buckle groove; when the battery component is fixed on the box body, the buckle is placed in the buckle groove to fix the battery component and the box body.

In some embodiments, the battery assembly is provided with a plug connector, and the control card is correspondingly provided with a plug terminal; when the battery assembly is fixed on the box body, the plug connector of the battery assembly is inserted into the plug end of the control card, so that the battery assembly is electrically connected with the control card.

In some embodiments, the control box further comprises a charging module electrically connected to the battery assembly; the charging module is used for receiving electric energy input from the outside and charging the battery assembly.

In some embodiments, the charging module comprises one or both of a dc charging module and an ac charging module.

In some embodiments, the bottom of the control box is provided with a charging interface, and the charging interface is electrically connected with the charging module.

In some embodiments, the box frame is provided with a splicing structure, and the splicing structure is one or more of a buckle, a quick lock catch or mounting and fixing holes at four corners.

In some embodiments, a waterproof sealing ring is arranged between the battery assembly and the box body.

The utility model discloses another embodiment provides a LED display screen, including a plurality of LED display box bodies and concatenation frame, the LED display box body splices each other, and fixes on the concatenation frame, the LED display box body be arbitrary in the preceding embodiment the LED display box body.

The embodiment of the utility model provides a LED display box sets up detachable battery pack on the control box and provides the electric energy, sets up wireless communication module in the control box, carries out the transmission of data, so, just do not need power cord and signal line, need not to carry out the connection of power cord and signal line during the dismouting, operating procedure when greatly reduced the dismouting can effectively promote dismouting efficiency, satisfies the ageing requirement under the lease scene.

Drawings

Fig. 1 is a schematic structural diagram of an LED display box according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the LED display box according to an embodiment of the present invention after being partially disassembled;

fig. 3 is a schematic structural diagram of a battery assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an LED display screen according to an embodiment of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and detailed description. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1-3, an embodiment of the present invention provides a wirelessly connected LED display box 10, which includes a box frame 100, at least one LED display module 200, and a control box 300, wherein the box frame 100 includes a display surface and a back surface, the LED display module 200 is fixed on the display surface of the box frame 100, and the control box 300 is fixed on the back surface of the box frame 100;

the control box 300 comprises a box body 310, a battery assembly 320, a wireless communication module and a control card, wherein the box body 310 is provided with a cavity, and the wireless communication module and the control card are arranged in the cavity of the box body 310; the battery assembly 320 is detachably connected with the box body 310 and seals the cavity of the box body 310;

the battery assembly 320 and the wireless communication module are electrically connected with the control card, the control card is electrically connected with the LED display module 200, and the battery assembly 320 provides electric energy for the control card, the wireless communication module and the LED display module 200;

the wireless communication module is used for receiving externally input communication data and transmitting the communication data to the control card;

and the control card is used for receiving and processing the communication data transmitted by the wireless communication module and controlling the display work of the LED display module 200 according to the processing result.

As shown in fig. 2, the LED display modules 200 are fixed on the display surface of the case frame 100, and all the LED display modules 200 together form the display surface of the LED display case 10, on which a picture is displayed. The surface of the LED display module 200 is provided with an LED lamp bead array to form a pixel array. In the LED display box 10, the number of the LED display modules 200 may be 1, or 2, 4 or more, and is specifically determined according to actual needs. For example, as shown in fig. 2, the LED display box 10 includes 4 LED display modules arranged in a 2 × 2 matrix. Of course, the 4 LED display modules may also be arranged in a 1 × 4 or 4 × 1 manner.

The LED display module 200 may be fixed to the case frame 100 by one or more of various fixing structures such as screws, snaps, adhesives, magnetic attraction, and the like. For example, the LED display housing 10 may include a magnetic absorption structure, and the LED display module 200 is fixed on the housing frame 100 through the magnetic absorption structure. Therefore, the LED display module 200 can be conveniently detached, and front maintenance is facilitated.

And a control box 300 fixedly installed on the rear surface of the cabinet frame 100. The box body 310 of the control box 300 is provided with a cavity, and the wireless communication module and the control card are arranged in the cavity of the box body 310. The control box 300 may be fixed to the casing frame 100 by a box body 310. The fixing between the case 310 and the case frame 100 may be performed by a screw, a snap, a buckle, a pin connection, an insertion, or the like. In some embodiments, the case 310 may also be integrally formed with the case frame 100.

The battery assembly 320 is detachably coupled to the case 310 and closes the cavity of the case 310 from one end of the cavity of the case 310. The battery assembly 320 may be fixed to the case 310 by a fixing structure such as a snap, a buckle, a screw, a pin connection, an insertion, a magnetic attraction, etc. For example, as shown in fig. 3, a buckle 322 is disposed on the battery assembly 320, a buckle groove is correspondingly disposed on the case 310, and when the battery assembly 320 is covered on the case 310, the buckle 322 can be placed in the corresponding buckle groove, so as to fix the battery assembly 320 and the case 310. The number of the bayonets 322 on the battery assembly 320 can be 4, and the bayonets are respectively distributed on the two long sides. At this time, the battery assembly 320 may serve as a cover plate on the cavity of the case body 310 to close the cavity and protect the wireless communication module and the control card in the cavity. It is understood that the battery assembly 320 and the case 310 may be fixed by an additional splicing assembly, such as a clamping member, to fix the battery assembly 320 and the case 310 abutting each other.

The battery assembly 320 stores power, and can provide power for the wireless communication module, the control card and the LED display module 200 in the control box 300. The battery assembly 320 may be a battery pack including a plurality of batteries, or may be a single battery. Illustratively, the battery assembly 320 is a battery pack formed by a plurality of batteries. The single battery may be one of a lithium battery, a nickel-metal hydride battery, and the like. The batteries of the battery assembly 320 may be 14500, 16340, 18650, or 26650 size batteries. In some embodiments, battery assembly 320 is a 18650 lithium battery pack.

As shown in fig. 2 and 3, the battery assembly 320 is provided with a plug 321, and the control card is correspondingly provided with a plug socket 311, when the battery assembly 320 is fixed on the box 310, the plug socket of the battery assembly 320 is inserted into the plug socket 311 on the control card, so as to electrically connect the battery assembly 320 and the control card. By means of the plug connection, the battery assembly 320 is fixed on the box body 310, namely, the operation of electrical connection is completed synchronously, and the operation is simple and convenient.

Due to the detachable connection of the battery assembly 320, when the electric energy of the battery assembly 320 on the LED display box 10 is about to be exhausted, the LED display box 10 can be restored to normal operation as soon as possible by replacing the battery assembly 320 with the electric energy. In some embodiments, in order to facilitate the power supply of the battery assembly 320 of the LED display box 10, the control box 300 further includes a charging module electrically connected to the battery assembly 320; the charging module is used for receiving external input electric energy and charging the battery assembly 320. Through setting up the module of charging, can charge for battery pack 320 conveniently, and need not to carry out the change of battery pack 320 at every turn, can guarantee that the electric energy of LED display box 10 is sufficient.

The charging module can be a direct current charging module or an alternating current charging module. When the charging module is a dc charging module, the charging module needs to be connected to a dc power supply. When the charging module is an alternating current charging module, the charging module needs to be connected with an alternating current power supply. In some embodiments, the charging module may include both a dc charging module and an ac charging module to be compatible with both a dc power source and an ac power source.

In order to avoid the interference of the power line to the LED display box, a charging interface is provided on the control box 300, and the charging interface is electrically connected to the charging module. Through setting up the interface that charges, when external power source has corresponding charging plug, the interface that charges can directly peg graft with charging plug, and need not other wire rods and connect. Moreover, even if the wires are required to be connected, the LED display box body is not required to be provided with a power line, and the connecting wire of an external power supply is used. Through setting up the interface that charges, the LED display box need not to set up the power cord promptly, has avoided the power cord to the LED display box interference in installation, the transportation.

In some embodiments, the charging interface may be disposed at the bottom of the control box 300, so that when the LED display box 10 is vertically disposed, if the charging plug is disposed on the contact surface corresponding to the bottom, the charging interface may be plugged with the charging plug to start charging, and no other connection operation is required, so that the operation is more convenient. It is understood that the charging interface may be disposed on a side wall or a top of the control box 300.

And the wireless communication module receives externally input communication data, which can comprise control data, display data and the like. And after receiving the communication data, the wireless communication module transmits the communication data to the control card for processing. The wireless communication module may use one or more of bluetooth communication, WiFi communication, NB-IoT (Narrow Band Internet of Things) communication, LoRa (long range Radio) communication, 5G communication technology, Zigbee communication, laser communication, and other communication technologies. By using the wireless communication technology, when signals are transmitted between the LED display boxes 10, no signal line is required, and interference caused by wired signal lines and complex operations in loading and unloading can be effectively avoided.

The wireless communication module can not only receive externally input communication data, but also transmit the data outwards, thereby realizing interaction. For example, when the LED display box 10 is spliced to form an LED display screen, the LED display box may communicate with a background management system or other spliced LED display boxes 10 through the wireless communication module to determine the position of the LED display box 10 in the spliced LED display screen, and determine a picture area to be displayed.

The control card receives and processes the communication data transmitted by the wireless communication module, transmits the picture data to be displayed to the LED display module 200 according to the processing result, and controls the display work of the corresponding LED display module 200. The control card is electrically connected to the LED display module 200, which may be connected by a cable or a plug connection. For example, in order to reduce the use of cables, the control card and the LED display module 200 are electrically connected by using a plug-in structure.

In some embodiments, the LED display box 10 further includes a positioning module, and the positioning module is in communication connection with the control card; the positioning module is used for performing directional interaction with the positioning module of the adjacent LED display box body 10 to obtain an interaction result; the control card can determine the connection relation and the orientation of the adjacent LED display box bodies according to the interaction result of the positioning module, and can further position the LED display box bodies 10 in the spliced LED display screen.

When a plurality of LED display boxes 10 are spliced to form an LED display screen, for a certain LED display box 10, the positioning module can perform directional interaction with the positioning modules of the LED display boxes 10 adjacent to the periphery, receive the interaction result fed back by the other party, and distinguish the LED display box to which the positioning module interacting with the positioning module belongs, and the orientation of the LED display box relative to the LED display box, such as the specific orientations of the left side, the right side, the upper side, the lower side, and the like. Of course, if the positioning module does not receive the interaction result when performing directional interaction with a certain side, such as the left side, it can be considered that there is no LED display box on the side.

In the LED display screen, one LED display box 10 or a background control system may communicate with the LED display box 10 in the LED display screen to obtain an interaction result obtained based on the positioning module, and integrate the interaction results of all the LED display boxes 10 together to obtain the position of the LED display box 10 in the LED display screen.

And the positioning module can be an infrared communication module. The infrared communication module can be provided with infrared transmitting and receiving ends facing 4 directions so as to realize directional interaction in 4 directions. The infrared communication module may be provided within the control box 300. The positioning modules, which may also be pressure sensors with communication functions, are respectively disposed on four sides of the LED display box 10, such as four side walls of the box frame 100. When an adjacent LED display box body exists on one side of the LED display box body 10, the pressure sensors of the two LED display box bodies 10 are in contact with each other, pressure is generated, and communication interaction can be carried out, so that information of the adjacent LED display box bodies 10 and the directions of the adjacent LED display box bodies 10 can be obtained.

Through setting up orientation module, when the concatenation forms the LED display screen, can realize the automatic positioning of LED display box, and need not artifical configuration concatenation wiring diagram, configuration efficiency when can promoting the concatenation.

In some embodiments, in order to improve the waterproof performance of the control box 300 and protect the electronic components in the box body 310 from moisture, humidity, and the like, a waterproof sealing ring, such as a rubber sealing ring, a silicone sealing ring, and the like, is further disposed between the battery assembly 320 and the box body 310.

It can be understood that the LED display module 200 can also be a waterproof LED display module, and the insertion position between the LED display module 200 and the control card can also be provided with a waterproof sealing ring, so that the whole LED display box 10 can have waterproof performance. For example, the LED display cabinet may have IP65, an even higher level of protection.

In order to facilitate the splicing of the LED display boxes into the LED display screen, a splicing structure is further disposed on the box frame 100 of the LED display box 10. The splicing structure may be one or more of a snap 170, a snap lock 150, or four-corner mounting holes 105. For example, as shown in fig. 1, the splicing structure of the LED display box 10 may include a buckle 170, a quick latch 150, and mounting holes 105 at four corners.

In some embodiments, the buckle 170 is disposed on the upper side or the lower side of the box frame 100, and the box frame 100 is further provided with a buckle groove 171 on the other corresponding side, and the buckle 170 can be inserted into the buckle groove 171 of the next LED display box 10 to realize the splicing and fixing between two LED display boxes 10.

In order to facilitate the arrangement of the quick lock 150, a side wall 103 extending backwards is further provided on the box body frame 100, and the quick lock is arranged on the side wall 103. As shown in fig. 1, the quick latch 150 may be provided at the left or right side of the cabinet frame 100.

As shown in fig. 1, the case frame 100 may be provided at four corners thereof with mounting fixing holes 105. In splicing, corner plates and screws/pins can be used to fixedly connect 4 or 2 LED display cases 10 at the same corner.

As shown in fig. 4, another embodiment of the present invention provides an LED display screen 20, which includes a plurality of LED display boxes 10 and a splicing frame, the LED display boxes 10 are spliced together and fixed on the splicing frame. The LED display cabinet 10 is the LED display cabinet of any one of the previous embodiments.

In some embodiments, the four corners of the LED display box 10 are provided with mounting holes, and the LED display screen 20 further includes angle plates and screws, so that during the splicing process, the mounting holes of the LED display box 10 are fixed to the adjacent LED display box through the angle plates and the screws.

The embodiment of the utility model provides a LED display box in LED display screen sets up detachable battery pack on the control box and provides the electric energy, sets up wireless communication module in the control box, carries out the transmission of data, so, just need not power cord and signal line, need not to carry out the connection of power cord and signal line during the dismouting, operating procedure when greatly reduced the dismouting can effectively promote dismouting efficiency, satisfies the ageing requirement under the lease scene.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A wirelessly connected LED display box comprises a box frame, at least one LED display module and a control box, wherein the box frame comprises a display surface and a back surface, the LED display module is fixed on the display surface of the box frame, the control box is fixed on the back surface of the box frame,

2. The LED display box of claim 1, wherein the LED display box comprises a magnetic adsorption structure, and the LED display module is fixed on the box frame through the magnetic adsorption structure.

3. The LED display box body of claim 1, wherein the battery assembly is provided with a buckle, and the box body is correspondingly provided with a buckle groove; when the battery component is fixed on the box body, the buckle is placed in the buckle groove to fix the battery component and the box body.

4. The LED display box body of claim 3, wherein the battery assembly is provided with a plug connector, and the control card is correspondingly provided with a plug connector; when the battery assembly is fixed on the box body, the plug connector of the battery assembly is inserted into the plug end of the control card, so that the battery assembly is electrically connected with the control card.

5. The LED display cabinet of any one of claims 1-4, wherein the control box further comprises a charging module electrically connected to the battery assembly; the charging module is used for receiving electric energy input from the outside and charging the battery assembly.

6. The LED display cabinet of claim 5, wherein the charging module comprises one or both of a DC charging module and an AC charging module.

7. The LED display box body of claim 6, wherein a charging interface is arranged at the bottom of the control box and electrically connected with the charging module.

8. The LED display cabinet of claim 1, wherein the cabinet frame is provided with a splicing structure, and the splicing structure is one or more of a hasp, a quick lock catch or a mounting and fixing hole positioned at four corners.

9. The LED display box of claim 1, wherein a waterproof sealing ring is disposed between the battery assembly and the box body.

10. An LED display screen, comprising a plurality of LED display boxes and a splicing frame, wherein the LED display boxes are spliced with each other and fixed on the splicing frame, and the LED display screen is characterized in that the LED display box is the LED display box of any one of claims 1 to 9.