CN219105702U

CN219105702U - Display device with light rotation effect

Info

Publication number: CN219105702U
Application number: CN202223338628.1U
Authority: CN
Inventors: 覃飞舟; 臧炳良
Original assignee: Huasun Technology Co ltd
Current assignee: Huasun Technology Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-30
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a display device with a lamplight rotation effect, which comprises a light-transmitting display screen and a rotation lighting device. The front of the light-transmitting display screen is provided with a plurality of first light sources, the light-transmitting display screen is provided with a light-transmitting part, and two sides of the light-transmitting part are respectively positioned on the front and the back of the light-transmitting display screen. The rotary lighting device is arranged on the back surface of the light-transmitting display screen, the light emitting direction of the rotary lighting device is consistent with that of the light-transmitting display screen, the rotary lighting device comprises a driving device, a rotating part and a light source module, the light source module is connected with the rotating part, the driving device is in driving connection with the rotating part to enable the light source module to rotate around the rotating part, the light source module is provided with a second light source deviating from the rotating part, and when the second light source rotates, the projection range of the light emitting surface of the second light source is at least partially overlapped with the projection range of the light-transmitting part in the normal direction of the light emitting surface of the second light source, so that light emitted by the second light source is emitted through the light-transmitting part. The display device can display videos and/or characters and has a light rotation effect.

Description

Display device with light rotation effect

Technical Field

The utility model relates to the technical field of display devices, in particular to a display device with a lamplight rotation effect.

Background

The current LED display screen is provided with a plurality of LED luminous bodies on a substrate, the LED luminous bodies are arranged into an array, and one LED luminous body forms an LED pixel unit so as to display videos and characters. The substrate has a plate-like structure that is opaque to light and impermeable to wind.

The LED display screen is used for only displaying videos and characters, is single in application, and needs to be used for displaying the stage-design effect in many occasions, generally adopts two sets of different devices, namely an LED display screen and an LED rotary spotlight, the LED display screen plays videos and/or characters, the LED rotary spotlight builds a rotary beam environment, at least two devices are needed, the equipment cost is high, and the arrangement is complicated.

Disclosure of Invention

The embodiment of the utility model provides a display device with a lamplight rotating effect, which aims to solve the technical problems that at least two devices are needed in the prior art to realize video and/or text playing and a rotating beam effect is formed.

In order to solve the above technical problems, in one aspect, an embodiment of the present utility model provides a display device with a light rotation effect, including:

the front surface of the light-transmitting display screen is provided with a plurality of first light sources, the light-transmitting display screen is provided with a light-transmitting part, and two sides of the light-transmitting part are respectively positioned on the front surface and the back surface of the light-transmitting display screen; and

the rotary lighting device is arranged on the back of the light-transmitting display screen, the light emitting direction of the rotary lighting device is consistent with that of the light-transmitting display screen, the rotary lighting device comprises a driving device, a rotating part and a light source module, the light source module is connected with the rotating part, the driving device is in driving connection with the rotating part so that the light source module rotates around the rotating part, the light source module is provided with a second light source deviating from the rotating part, when the second light source rotates, in the normal direction of the light emitting surface of the second light source, the projection range of the light emitting surface of the second light source is at least partially overlapped with the projection range of the light-transmitting part, and light emitted by the second light source is emitted through the light-transmitting part.

In some embodiments, the rotating portion includes a sleeve, a rolling bearing, and a central shaft, the rolling bearing being disposed between the sleeve and the central shaft to rotate the sleeve and the central shaft relative to each other;

the rotary lighting device further comprises a transmission part, the driving device is in driving connection with the transmission part, and one of the central shaft and the shaft sleeve is connected with the light source module and the transmission part.

In some embodiments, the central shaft is provided with a through hole penetrating through the axial direction of the central shaft, and the rotating shaft of the light source module is provided with an electric wire, and the electric wire is led out through the through hole.

In some embodiments, the light-transmitting display screen comprises a frame, the rotary lighting device further comprises a mounting beam, the mounting beam is detachably fixed on the back surface of the light-transmitting display screen, two ends of the mounting beam are respectively and fixedly connected with two side edges of the frame, the rotating part penetrates through the mounting beam, and the rotary lighting device is rotatably arranged on the mounting beam through the rotating part.

In some embodiments, the light source module further includes a first housing, a first light panel, and a lens, the first housing has a mounting groove, the first light panel is disposed in the mounting groove, the second light source is disposed on the first light panel, the lens is disposed on the second light source, and an opening side of the mounting groove is sealed by a cover plate or a light-transmitting panel.

In some embodiments, the light transmissive display screen includes a number of LED unit assemblies, and the light transmissive portion includes a plurality of rows or columns of first slits disposed on the LED unit assemblies.

In some embodiments, the LED unit assembly includes a second lamp panel, and a plurality of rows or columns of the first slits are disposed on the second lamp panel, so that the second lamp panel forms a plurality of unit panels, and a plurality of the unit panels are provided with a plurality of the first light sources which are equidistantly arranged.

In some embodiments, the LED unit assembly further includes a second housing, and a receiving groove matched with the second lamp panel is formed in the second housing, and the receiving groove includes a unit groove for placing the unit panel, and a second gap corresponding to the first gap is formed between two adjacent unit grooves.

In some embodiments, the LED unit assembly includes a plurality of third light panels, a plurality of third light panels are disposed in parallel, a plurality of first light sources are disposed on the third light panels, and the first slit is formed between two adjacent third light panels.

In some embodiments, the transparent display screen includes a transparent panel, the plurality of first light sources are sandwiched between two transparent panels and arranged in a matrix, and the light-transmitting portion is a light-transmitting portion on the transparent panel.

The embodiment of the utility model has the following beneficial effects: the display device is provided with the rotary lighting device at the back of the light-transmitting display screen, so that videos and/or characters can be displayed, the display device also has a lamplight rotary effect, and the display device can be widely applied to various moving scenes such as stages, exhibitions, studio and the like.

Drawings

FIG. 1 is a left side view of an embodiment of a display device with a light rotation effect according to the present utility model;

FIG. 2 is a perspective view of another embodiment of a display device with a light rotation effect according to the present utility model;

FIG. 3 is an enlarged partial view of region A shown in FIG. 2;

FIG. 4 is an exploded view of the rotary lighting device of FIG. 1;

fig. 5 is a schematic view of the driving device and the rotating part in fig. 4;

FIG. 6 is an exploded view of FIG. 5;

FIG. 7 is an exploded view of a further embodiment of a light source module according to the present utility model;

FIG. 8 is an exploded view of a further embodiment of a light source module according to the present utility model;

FIG. 9 is another angular perspective view of FIG. 2;

FIG. 10 is an exploded view of one embodiment of an LED unit assembly of the present utility model;

FIG. 11 is an exploded view of another embodiment of an LED unit assembly in the present utility model;

fig. 12 is an exploded view of yet another embodiment of an LED unit assembly in accordance with the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent. It is only stated that the terms of orientation such as up, down, left, right, front, back, inner, outer, etc. used in this document or the imminent present utility model, are used only with reference to the drawings of the present utility model, and are not meant to be limiting in any way.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The description as it relates to "first", "second", etc. in the present utility model is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In an embodiment of the present utility model, a display device with a light rotation effect is provided, as shown in fig. 1 to 4, including a light-transmitting display screen 100 and a rotary lighting device 200.

The front surface of the transparent display screen 100 is provided with a plurality of first light sources 110, the transparent display screen 100 is provided with a transparent part, and two sides of the transparent part are respectively positioned on the front surface and the back surface of the transparent display screen 100.

The rotary lighting device 200 is disposed at the back of the transparent display 100, and the light emitting direction of the rotary lighting device 200 is consistent with that of the transparent display 100, the rotary lighting device 200 includes a driving device 210, a rotating portion 220 and a light source module 230, the light source module 230 is connected to the rotating portion 220, the driving device 210 is connected to the rotating portion 220 to rotate the light source module 230 around the rotating portion 220, the light source module 230 has a second light source 235 deviating from the rotating portion 220, and when the second light source 235 rotates, in the normal direction of the light emitting surface of the second light source 235, the projection range of the light emitting surface of the second light source 235 at least partially overlaps with the projection range of the transparent portion, so that the light emitted by the second light source 235 is emitted through the transparent portion.

The display device can display video and/or characters and has a lamplight rotating effect by arranging the rotary lighting device 200 on the back surface of the light-transmitting display screen 100, and can be widely applied to various activity scenes such as stages, exhibitions, studios and the like.

In some embodiments, as shown in fig. 5 and 6, the rotating part 220 includes a sleeve 221, a rolling bearing 222, and a central shaft 223, the rolling bearing 222 being provided between the sleeve 221 and the central shaft 223 to relatively rotate the sleeve 221 and the central shaft 223. Specifically, the inner ring of the rolling bearing 222 is fit with the outer surface of the center shaft 223, and the outer ring of the rolling bearing 222 is fit with the inner surface of the sleeve 221.

As shown in fig. 5 and 6, the rotary lighting apparatus 200 further includes a transmission member 240, and the driving device 210 is drivingly connected to the transmission member 240, and one of the central shaft 223 and the shaft sleeve 221 is coupled to the light source module 230 and the transmission member 240. Specifically, the central axis 223 and the shaft sleeve 221 are perpendicular to the light emitting surface of the light source module 230.

Alternatively, the driving device 210 is a stepper motor, a motor shaft of the stepper motor is provided with a first pulley 211, the transmission member 240 is a second pulley, and the first pulley 211 and the second pulley are connected through a synchronous toothed belt 212, so that the stepper motor drives the transmission member 240, i.e. the second pulley to rotate. When the transmission member 240 rotates, the light source module 230 is driven to rotate by one of the central shaft 223 and the shaft sleeve 221. It should be noted that the above transmission mode is not the only transmission mode of the driving device 210 and the transmission member 240 in the present utility model, and transmission may be performed by a gear transmission mode, a sprocket transmission mode, or the like.

Further, a sensor is arranged at the tail part of the other end of the stepping motor and used for detecting parameters such as the rotation angle and the speed of the stepping motor and feeding back to the motor control circuit board to control the accurate operation of the stepping motor.

In some embodiments, as shown in fig. 4, in order to electrically connect the light source module 230, a through hole 2231 penetrating the central shaft 223 in the axial direction is provided, and an electric wire 231 is provided at the rotation shaft of the light source module 230, where the electric wire 231 is led out through the through hole 2231.

It should be noted that, when the movement mode of the light source module 230 in the present utility model is to rotate 360 ° and then reverse and reset, the far east mode of the reciprocal rotation does not cause the wire 231 to twist and tie to be damaged. Of course, if the light source module 230 is rotated along a direction, at least one end of the wire 231 needs to be provided with a rotary joint to prevent the wire 231 from twisting and knotting.

In some embodiments, as shown in fig. 9, the transparent display 100 includes a frame 170, the rotary lighting device 200 further includes a mounting beam 250, the mounting beam 250 is detachably fixed on the back surface of the transparent display 100, and two ends of the mounting beam are respectively and fixedly connected to two sides of the frame 170, the rotating portion 220 penetrates the mounting beam 250, and the rotary lighting device 200 is rotatably disposed on the mounting beam 250 through the rotating portion 220.

One of the mounting beams 250 functions to detachably fix the rotary lighting apparatus 200 to the light-transmitting display screen 100, and the other of the mounting beams 250 functions to enhance the structural strength of the bezel 170 of the light-transmitting display screen 100 to improve structural stability. The mounting beam 250 is preferably detachably fastened by screws so as to separate the rotary lighting apparatus 200 from the light-transmitting display screen 100, so that the rotary lighting apparatus 200 can be detached for the light-transmitting display screen 100 alone without being involved in maintenance and replacement, in the case where the light rotation effect is not required.

Further, as shown in fig. 9, a rear case 251 may be provided on the mounting beam 250, and a control panel for setting and displaying various electrical parameters of the rotary lighting apparatus 200 may be provided on the rear case 251. The rear housing 251 is further provided with a power input socket, a signal output socket, a power output socket and the like, the power input socket is electrically connected with a switching power supply in the device, and the signal socket is electrically connected with each control circuit board so as to supply power to the display device and transmit signals. It should be understood that, in the present utility model, the manner of supplying power to the display device and transmitting signals is not limited to the above manner, i.e., the provision of the socket on the rear case 251 is only one manner of supplying power and transmitting signals.

In some embodiments, as shown in fig. 7 and 8, the light source module 230 further includes a first housing 232, a first light plate 233 and a lens 234, the first housing 232 has a mounting groove, the first light plate 233 is disposed in the mounting groove, an opening 2321 is disposed on the first housing 232 and passes through the power supply line 231, a second light source 235 is disposed on the first light plate 233, the lens 234 is disposed on the second light source 235, and an opening side of the mounting groove is sealed by a cover plate 236 or a light-transmitting panel 237. Specifically, a sealing compound or a waterproof glue ring is disposed between the cover plate 236 or the light-transmitting panel 237 and the first housing 232 to realize waterproof and dustproof effects.

Alternatively, the shape of the light source module 230 may be rectangular or cross-shaped, and is preferably symmetrical, and the present utility model is not limited to the shape of the light source module 230. The first light board 233 is a PCB light board, and the second light source 235 is an LED light source. The second light source 235 is mounted to the first light panel 233 by soldering. The number of the second light sources 235 may be one or more, and when the number of the second light sources 235 is plural, the second light sources 235 may be arranged in a straight line at equal intervals or in a matrix.

In some embodiments, as shown in fig. 3, 10 and 11, the light transmissive display panel 100 includes a number of LED unit assemblies, and the light transmissive portion includes a plurality of rows or columns of first slits 120 disposed on the LED unit assemblies. The first slit 120 is capable of transmitting light and also is capable of transmitting wind, reducing the weight and wind resistance of the light-transmitting display screen 100.

In some embodiments, as shown in fig. 10, the LED unit assembly includes a second lamp panel 130, and a plurality of rows or columns of first slits 120 are disposed on the second lamp panel 130, such that the second lamp panel 130 forms a plurality of unit panels 131, and a plurality of first light sources 110 are disposed on the plurality of unit panels 131 at equal intervals.

Specifically, the first slit 120 is formed by hollowing out the second lamp panel 130, that is, the first slit 120 and the unit panel 131 are both structures formed on the second lamp panel 130. The second light board 130 is a PCB light board, the first light source 110 is preferably an LED light bead, and the LED light bead is welded on the PCB light board, because the LED light bead is small in size, the width of the unit board 131 can be narrower, and the formed first gap 120 is wider, i.e. the light transmission area is larger.

In some embodiments, as shown in fig. 10, in order to protect and seal the second lamp panel 130, the LED unit assembly further includes a second case 140, a receiving groove matched with the second lamp panel 130 is provided on the second case 140, the receiving groove includes a unit groove 141 for receiving the unit panel 131, and a second slit 142 corresponding to the first slit 120 is formed between two adjacent unit grooves 141. After installation, the first slit 120 overlaps the second slit 142.

In some embodiments, as shown in fig. 10, the LED unit assembly further includes a light-transmitting plate 150 filled with a glue layer in the accommodating groove, and the light-transmitting plate 150 covers the second housing 140 and is located at an opening side of the accommodating groove. The glue layer plays a role in sealing and protecting. The light-transmitting plate 150 plays a protective role.

In some embodiments, as shown in fig. 11, the LED unit assembly includes a plurality of third light panels 160, the plurality of third light panels 160 are disposed in parallel, a plurality of first light sources 110 disposed at equal intervals are disposed on the plurality of third light panels 160, and a first slit 120 is formed between two adjacent third light panels 160. Optionally, the third light panel 160 is an elongated PCB light panel, and the first slit 120 is also an elongated slit. One of the plurality of third light panels 160 is fixed to the positioning plate 171, and the positioning plate 171 is fixed to the frame 170, so that the installation position of each third light panel 160 can be defined. Specifically, the two positioning plates 171 are arranged in parallel, two ends of the third lamp panel 160 are respectively limited on the two positioning plates 171, and the positioning plates 171 are provided with a clamping groove for inserting the side part of the third lamp panel 160 or a clamping piece for clamping the third lamp panel 160. In addition, the third light panel 160 may be fixed and positioned by fixing both ends thereof to the frame 170, or the like.

In some embodiments, as shown in fig. 12, the light-transmitting display screen 100 includes a first transparent panel 180, a plurality of first light sources 110 are sandwiched between two transparent panels 180 and arranged in a matrix, the first light sources 110 are LED light sources integrally packaged with a light emitting chip and a driving IC, and the first light sources 110 are electrically connected by thin LED connection wires 231 or conductive silver paste to reduce a light shielding area. The light transmitting portion is a light transmitting portion on the transparent panel 180. Specifically, the term "light-transmitting portion" refers to a portion of the transparent panel 180 that is not blocked by the first light source 110. The permeability can be improved to the maximum extent by adopting the structure. The light beam of the rotary lighting device 200 may exit through the light-transmitting portion.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.

Claims

1. A display device having a light rotation effect, comprising:

2. The display device having a light rotating effect according to claim 1, wherein the rotating portion includes a sleeve, a rolling bearing, and a center shaft, the rolling bearing being provided between the sleeve and the center shaft to relatively rotate the sleeve and the center shaft;

3. The display device with light rotating effect according to claim 2, wherein the central shaft is provided with a through hole penetrating through the central shaft in the axial direction, and the rotating shaft of the light source module is provided with an electric wire, and the electric wire is led out through the through hole.

4. The display device with light rotating effect according to claim 2, wherein the light-transmitting display screen comprises a frame, the rotary lighting device further comprises a mounting beam, the mounting beam is detachably fixed on the back surface of the light-transmitting display screen, two ends of the mounting beam are respectively and fixedly connected with two side edges of the frame, the mounting beam is penetrated by the rotating part, and the rotary lighting device is rotatably arranged on the mounting beam through the rotating part.

5. The display device with light rotating effect according to claim 2, wherein the light source module further comprises a first housing, a first lamp panel and a lens, the first housing is provided with a mounting groove, the first lamp panel is arranged in the mounting groove, the second light source is arranged on the first lamp panel, the lens is arranged on the second light source, and the opening side of the mounting groove is sealed by a cover plate or a light-transmitting panel.

6. A display device having a light rotating effect according to any one of claims 1 to 5 wherein the light transmitting display screen comprises a plurality of LED unit assemblies, the light transmitting portion comprising a plurality of rows or columns of first slits provided on the LED unit assemblies.

7. The display device with light rotating effect according to claim 6, wherein the LED unit assembly includes a second lamp panel, and a plurality of rows or columns of the first slits are provided on the second lamp panel so that the second lamp panel forms a plurality of unit panels on which a plurality of the first light sources are arranged at equal intervals.

8. The display device with light rotating effect according to claim 7, wherein the LED unit assembly further comprises a second housing provided with a receiving groove matched with the second lamp panel, the receiving groove comprises a unit groove for placing the unit panel, and a second slit corresponding to the first slit is formed between two adjacent unit grooves.

9. The display device with light rotating effect according to claim 6, wherein the LED unit assembly comprises a plurality of third light panels, a plurality of third light panels are arranged in parallel, a plurality of first light sources are arranged on the third light panels at equal intervals, and the first gap is formed between two adjacent third light panels.

10. The display device with light rotating effect according to claim 6, wherein the light-transmitting display screen comprises a transparent panel, the plurality of first light sources are sandwiched between two transparent panels and are arranged in a matrix, and the light-transmitting portion is a light-transmitting portion on the transparent panel.