CN213424455U

CN213424455U - Display device

Info

Publication number: CN213424455U
Application number: CN202021201969.2U
Authority: CN
Inventors: 胡朋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-27
Filing date: 2020-06-27
Publication date: 2021-06-11
Anticipated expiration: 2030-06-27

Abstract

The utility model provides a display device, which comprises a motor, a display control mainboard and a lamp strip; the display control system comprises a display control main board, a display control main board and a motor, wherein at least one row of LED lamp beads are uniformly distributed and arranged on the lamp strip, the motor drives the lamp strip to rotate, a data reading device, a microprocessor and a sensor are arranged on the display control main board, the data reading device is used for reading a display content file, the sensor is used for detecting the position of each LED when the lamp strip rotates, the microprocessor is used for analyzing the display content file to be played when the display content file to be played is read, and controlling the LED lamp beads at the corresponding positions in the rotating state to emit light according to the preset size and the playing position so as to form a 3D image; the direction that LED lamp pearl was arranged on the lamp strip be parallel with motor rotation axis. The utility model discloses in, owing to adopted the parallel mode of the rotation axis of lamp strip and motor, when the motor drove the lamp strip rotatory, demonstrate columniform picture, satisfy the requirement of user to cylindrical picture advertisement.

Description

Display device

Technical Field

The utility model relates to an advertisement machine field, especially a POV LED display device who is suitable for advertisement machine.

Background

The POV (Point of View) LED uses the principle of human visual persistence, uses a few (can be a column) LEDs and a motor to replace a dot matrix to display characters or images, and can display preset characters or patterns by accurately controlling the rotating speed of the motor and the lighting and extinguishing time of the LED, and some LEDs can also play set videos. Because the number of the LEDs is greatly reduced, the failure rate of the dot matrix screen caused by the damage of the LEDs is greatly reduced, and the maintenance is more convenient. In addition, the rotary LED display screen utilizing the POV LED principle has a wider viewing angle, almost 360 degrees and no dead angle.

Due to the characteristics of POV LED display, a large number of advertisement machines also adopt POV LED display screens. Chinese patent application publication No. CN 107564444a discloses a holographic advertisement machine, which comprises: a motor; a blade connected to the motor; a first control plate located within the blade; the LED lamp bars are arranged on the surfaces of the blades and connected with the first control board; the LED lamp strip comprises a plurality of luminous bodies, the first control board is provided with a data reading device, a microprocessor and a sensor, the data reading device is used for reading a multimedia file, the sensor is used for detecting the position of the luminous bodies when the blades rotate, the microprocessor is used for analyzing the multimedia file to be played when the multimedia file to be played is read, and the luminous bodies at the corresponding positions in the rotating state are controlled to emit light according to the preset size and the playing position so as to form a 3D image; still be provided with concatenation module and synchronization module on the first control panel, the concatenation module is used for the graphic data of concatenation other holographic advertisement machines to form complete image, the synchronization module is used for the graphic data of synchronization this computer and other holographic advertisement machines.

The POV LED rotary screen in the holographic advertising machine is a plane display screen like the current display screen, and the requirement of people on a curved display screen cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the rotatory flat demand that can not satisfy people to the advertising display screen of curved surface of POV LED to present virtual advertisement machine adoption planar display provides an advertisement machine with rotatory screen of face of cylinder POV LED.

The utility model discloses realize that its technical purpose technical scheme is: a display device comprises a motor, a display control main board and a light bar; the display control system comprises a display control main board, a display control main board and a motor, wherein at least one row of LED lamp beads are uniformly distributed and arranged on the lamp strip, the motor drives the lamp strip to rotate, a data reading device, a microprocessor and a sensor are arranged on the display control main board, the data reading device is used for reading a display content file, the sensor is used for detecting the position of each LED when the lamp strip rotates, the microprocessor is used for analyzing the display content file to be played when the display content file to be played is read, and controlling the LED lamp beads at the corresponding positions in the rotating state to emit light according to the preset size and the playing position so as to form a 3D image; the direction that LED lamp pearl was arranged on the lamp strip be parallel with motor rotation axis.

Further, in the display device described above: the display control mainboard is arranged on a supporting plate vertical to the motor rotating shaft, the motor rotating shaft is connected with the supporting plate to drive the supporting plate to rotate, and the lamp strip is vertically arranged on a circle taking the rotating shaft as the center.

Further, in the display device described above: the motor rotating shaft is a hollow shaft and penetrates through the supporting plate and the display control main board, a supporting rod penetrates through the rotating shaft to support the first coil, a second coil coupled with the display control main board and the first coil is arranged at a position corresponding to the display control main board and the first coil, the motor rotating shaft further comprises a second circuit board, a wireless charging transmitting circuit connected with the first coil is arranged on the second circuit board, and a wireless charging receiving circuit connected with the second coil and used for charging a battery arranged on the supporting plate is arranged on the display control main board.

Further, in the display device described above: the lamp strip including set up 4 lamp strips of equipartition on a circumference in circular shape backup pad.

Further, in the display device described above: the second circuit board is provided with an audio playing circuit.

Further, in the display device described above: the lamp strip is arranged in the transparent cover and rotates around a motor rotating shaft.

The utility model discloses in, owing to adopted the parallel mode of the rotation axis of lamp strip and motor, when the motor drove the lamp strip rotatory, demonstrate columniform picture, satisfy the requirement of user to cylindrical picture advertisement.

In addition, adopt the motor that has the cavity rotation axis, when can using motor rotation axis to run through backup pad and display control mainboard ingeniously, adopt the bracing piece to fix wireless charging coil on the display control mainboard, can charge to the battery that the display control mainboard supplied power.

The present invention will be described in more detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic block diagram of the display device of the present invention.

Detailed Description

Embodiment 1, this embodiment is an advertisement machine using a POV LED rotary display screen, and the most prominent of the advertisement machine of this embodiment is a POV LED display screen, as shown in fig. 1, the display device of the advertisement machine of this embodiment includes a motor 1, a display control main board 2 and a light bar 3; in practice, four light bars 3 are generally used, a data reading device, a microprocessor and a sensor are arranged on a display control main board 2, the data reading device is used for reading a display content file, the sensor is used for detecting the position of each LED when the light bars 3 rotate, the microprocessor is used for analyzing the display content file to be played when the display content file to be played is read, and the LED light beads at the corresponding positions in the rotating state are controlled to emit light according to the preset size and the playing position to form a 3D image; in fact, the display control main board is an intelligent device, and how bright the LED lamp beads can be controlled, and the played video can be seen when the display control main board rotates, in the embodiment, the direction of the arrangement of the LED lamp beads on the lamp strip 3 is parallel to the rotating shaft 5 of the motor 1. Thus, when the motor drives the light bar 3 to rotate, a cylindrical display area can be formed, and people watching advertisements can enjoy the advertisement in any direction.

In this embodiment, display control mainboard 2 sets up on one and motor 1 rotation axis 5 vertically backup pad 4, and motor 1 rotation axis 5 links to each other with backup pad 4, and it is rotatory to drive the backup pad, and lamp strip 3 sets up perpendicularly on the circle that uses rotation axis 5 as the center. Like this, display control mainboard 2 and lamp strip 3 are all synchronous revolution under the motor drives, and both relatively fixed can adopt wired cable interconnect, realize that display control mainboard 2 controls the LED lamp pearl on the lamp strip 3.

In this embodiment, the rotating shaft 5 of the motor 3 is a hollow shaft, which passes through the supporting plate 4 and the display control main board 2, a supporting rod 6 passes through the rotating shaft 5 to support the first coil 7, a second coil 8 coupled to the first coil 7 is disposed at a position corresponding to the display control main board 2 and the first coil 7, the display control main board further includes a second circuit board 9, the second circuit board 9 is provided with a wireless charging transmitting circuit connected to the first coil 7, and the display control main board 2 is provided with a wireless charging receiving circuit connected to the second coil 8 for charging a battery mounted on the supporting plate 4.

In this embodiment, the lamp beads on the rotating display control main board 2 and the lamp strip 3 are all power consuming devices, and therefore, power needs to be provided for the lamp beads, and both the lamp beads rotate around the rotating shaft 4 of the motor 1, and the commercial power or the current power formed by rectifying and filtering the commercial power cannot be directly connected to the display control main board by using the electric wire as usual, so that a battery is needed, but the battery rotates under the driving of the motor, if the battery has large capacity, the size and the mass are large, and the motor needs larger power when driving to work, therefore, a wireless charger composed of circuits including the first coil 7 and the second coil 8 can satisfactorily solve the charging problem, the embodiment skillfully utilizes the characteristic that the rotating shaft 5 of the motor 1 is hollow, the first coil 7 is supported by one support rod 6 to realize the physical connection of the first coil 7 and the fixed second circuit board 9, the second circuit board is mainly provided with a module for controlling non-rotation, such as a motor, an audio playing device and the like, because the module can be directly connected with other places by a lead, and the fixed part of the wireless charging module, which is also the part for converting the power supply signal into electromagnetic wave, can also be arranged on the second circuit board.

In this embodiment, the advertisement process also needs to have audio playing, and therefore, still include audio playback device 11, a pair of loudspeaker are installed outside the display screen even, and loudspeaker itself also can not move, and consequently, audio playback circuit can set up on the second circuit board, can also set up motor control circuit on the second circuit board simultaneously.

In addition, the present embodiment further includes a cylindrical transparent cover 10, and the light bar 3 rotates around the rotating shaft 5 of the motor 1 in the transparent cover 10. The display screen with the LED curved surface can be seen through the transparent illumination.

Claims

1. A display device comprises a motor (1), a display control main board (2) and a light bar (3); the LED display control system is characterized in that at least one row of LED lamp beads are uniformly distributed and arranged on the lamp strip (3), the motor (1) drives the lamp strip (3) to rotate, a data reading device, a microprocessor and a sensor are arranged on the display control main board (2), the data reading device is used for reading a display content file, the sensor is used for detecting the position of each LED when the lamp strip (3) rotates, the microprocessor is used for analyzing the display content file to be played when the display content file to be played is read, and controlling the LED lamp beads at the corresponding positions in the rotating state to emit light according to the preset size and the playing position so as to form a 3D image; the method is characterized in that: the direction that LED lamp pearl was arranged on lamp strip (3) is parallel with motor (1) rotation axis (5).

2. The display device according to claim 1, wherein: display control mainboard (2) set up on one backup pad (4) with motor (1) rotation axis (5) vertically, motor (1) rotation axis (5) link to each other with backup pad (4), it is rotatory to drive the backup pad, lamp strip (3) set up perpendicularly on the circle that uses rotation axis (5) as the center.

3. The display device according to claim 2, wherein: motor (1) rotation axis (5) be the quill shaft, it passes backup pad (4) and display control mainboard (2), a bracing piece (6) passes from rotation axis (5), supports first coil (7) display control mainboard (2) and the corresponding place of first coil (7) be provided with rather than the second coil (8) of coupling, still include second circuit board (9), second circuit board (9) on be provided with the wireless transmitting circuit that charges who links to each other with first coil (7) display control mainboard (2) on be provided with the wireless receiving circuit that charges to installing the battery on backup pad (4) that links to each other with second coil (8).

4. The display device according to claim 3, wherein: the lamp strips (3) comprise 4 lamp strips uniformly distributed on one circumference of a circular supporting plate (4).

5. The display device according to claim 3, wherein: the audio playing device (11) is further included, and an audio playing circuit is arranged on the second circuit board (9).

6. The display device according to any one of claims 1 to 5, wherein: the lamp strip (3) rotates around a rotating shaft (5) of the motor (1) in the transparent cover (10).