CN212302119U - Fan type rotary 3D display device - Google Patents
Fan type rotary 3D display device Download PDFInfo
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- CN212302119U CN212302119U CN202021194394.6U CN202021194394U CN212302119U CN 212302119 U CN212302119 U CN 212302119U CN 202021194394 U CN202021194394 U CN 202021194394U CN 212302119 U CN212302119 U CN 212302119U
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Abstract
The utility model provides a fan-type rotary 3D display device, which comprises a rotary body and a fixed body, wherein the rotary body is driven to rotate by a motor fixed in the fixed body; fan blades are uniformly distributed on the front cover at the top end of the rotating body; the rotating body is cylindrical, LED lamp beads are continuously arranged from the center of the front cover to at least one blade, and a main control circuit board for controlling the lamp beads to work so as to generate images during rotation is arranged in the circular body of the rotating body; the top end of the fixed body is provided with a fixed bracket for mounting the fixed body. In this embodiment, the fan adopts the suspension type, can angle regulation, can all watch from all directions.
Description
Technical Field
The utility model relates to a POV LED field, especially a rotatory 3D display device of fan-type.
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.
The fan drives air to flow to form wind to bring cool feeling to people through the rotation of the fan blades, one or more rows of LEDs are arranged on one or more fan blades along the radial direction of the fan to form a 3D fan device for advertising and playing entertainment programs, and people can watch advertisements and enjoy the entertainment programs while enjoying cool. Chinese utility model discloses grant notice number CN 201763639U just discloses a rotatory electric fan that shows, this kind of rotatory electric fan that shows, including the flabellum, flabellum fixed mounting has control circuit board, control circuit board is provided with the display module who comprises LED lamp along longitudinal arrangement towards the flabellum one side, display module sets up the front at the flabellum. The display module is arranged on the fan blades of the product, so that the fan blades can not only bring the effects of blowing and cooling to people when rotating, but also display different characters and patterns under the control of the single chip microcomputer chip, and the display module is novel, practical and attractive in appearance; when the temperature sensing module is arranged, the display can display the current temperature value along with the rotation of the fan blades. However, the installation modes of the existing rotary display electric fan are basically a wall-mounted type and a floor type, the angle cannot be adjusted, the electric fan is inconvenient to use in various scenes, and the requirements of people cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to present rotatory demonstration electric fan mounting means be wall-hanging, console mode basically, but angle regulation, and multiple scene of not being convenient for is used, can not satisfy numerous needs. The utility model provides a but multi-scene uses, rotatory 3D display device of fan formula of furred ceiling.
The utility model discloses realize that its technical purpose technical scheme is: a fan-type rotary 3D display device comprises a rotary body and a fixed body, wherein the rotary body is driven to rotate by a motor fixed in the fixed body; fan blades are uniformly distributed on the front cover at the top end of the rotating body; the rotating body is cylindrical, LED lamp beads are continuously arranged from the center of the front cover to at least one blade, and a main control circuit board for controlling the lamp beads to work so as to generate images during rotation is arranged in the circular body of the rotating body; the top end of the fixed body is provided with a fixed bracket for mounting the fixed body.
Further, in the above fan-type rotational 3D display device: the power supply of the main control circuit board and the lamp bead comprises a fixed coil arranged on the cylindrical inner wall of the fixed body and a rotating coil wound on the surface of the rotating body; the fixed coil and the rotating coil are coupled to form a primary coil and a secondary coil of the transformer, an alternating current signal coupling fixed coil sending circuit is arranged in the fixed body, and a rectifying and filtering circuit which is coupled with the rotating coil and converts alternating current into direct current required by the main control circuit board and the lamp bead is arranged on the main control circuit board.
Further, in the above fan-type rotational 3D display device: the main control circuit board is a CPU mainboard and comprises a video playing circuit controlled by a CPU.
Further, in the above fan-type rotational 3D display device: the main control circuit board is provided with a wireless communication module, and an antenna of the wireless communication module is arranged on the fan blades.
Further, in the above fan-type rotational 3D display device: the main control circuit board is also provided with a USB interface circuit.
Further, in the above fan-type rotational 3D display device: the fan blades are spiral fan blades.
In this embodiment, the fan adopts the suspension type, can angle regulation, can all watch from all directions.
Additionally, the utility model discloses in still provide a wireless charging device, make the rotatory 3D display device of fan-type also can charge when using, guarantee that operating time is enough long.
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 fan-type rotary 3D display device of the present invention.
Fig. 2 is a perspective view of a product in embodiment 1 of the present invention.
Fig. 3 is an exploded view of the product of embodiment 1 of the present invention.
Fig. 4 is a front view of the product of embodiment 1 of the present invention.
Fig. 5 is a side view of the product of embodiment 1 of the present invention.
Fig. 6 is a perspective view of a product of embodiment 2 of the present invention.
Fig. 7 is a side view (one) of the product of embodiment 2 of the present invention.
Fig. 8 is a side view of a product of embodiment 2 of the present invention.
Detailed Description
The 3D display principle of this embodiment is as shown in fig. 1, a host computer composed of a CPU and the like on a main control circuit board 4-3 arranged in a cylindrical rotating body 4 plays a video, and the display device is a POVLED 3D rotating display screen formed by rotating light bars composed of LED light beads 6-1 and continuously arranged on a front cover 4-4 and fan blades 6, as shown in fig. 4, the LED light bars are composed of two parts, wherein a star-shaped LED light bar 6-3 is arranged on the front cover 4-4, and a fan blade light bar 6-2 is arranged on the fan blades 6, and in practice, the outer part of the star-shaped LED light bar 6-3 is continuous with the fan blade light bar 6-2. In this embodiment, there are 6 fan blades, so that 6 fan blade light bars 6-2 can be provided, which correspond to the six star-shaped light bars on the front cover 4-4. For 3D rotation display, the number of light bars is set as required, and sometimes 1, 3, or 6 light bars may be used for display effect, or another number of light bars may be set as required.
In this embodiment, the main control circuit board 4-3 is provided with an intelligent chip such as a CPU as a processor, a memory may be provided to store a display file (video file) in advance, and the display device may also receive video information in real time through the communication module to display the video information, because the main control circuit board 4-3 is disposed inside the rotator 4 and rotates along with the rotator, the communication module on the main control circuit board 4-3 generally employs a wireless communication module, such as bluetooth and WiFi, to communicate with an upper computer, or communicate with a background cloud, or certainly communicate with a mobile terminal such as a mobile phone, and particularly, the communication with the smart phone is very suitable for bluetooth and WiFi. If other communication modules such as USB are adopted, the display content file is connected with the upper computer through a USB interface line when the communication modules are not rotated, and the display content file is downloaded from the upper computer and stored in the memory. In this embodiment, when the main control circuit board 4-3 is communicated with an upper computer and the like by adopting wireless communication modes such as bluetooth and WiFi, the antenna can be arranged on the fan blade 6, and a WiFi signal amplifying device can be arranged when using WiFi, so as to enlarge the application range.
In addition, the main control circuit board 4-3 also needs to obtain the rotation speed of the fan blades 6, which is realized by controlling the work of the motor 3, because the main control circuit board 4-3 rotates and the stator of the motor is static, therefore, the control of the main control circuit board 4-3 to the motor 3 generally adopts a wireless communication mode, at present, in practice, the main control circuit board 4-3 does not directly control the rotation speed of the motor 3, the rotation speed of the motor 3 can be determined by a light receiving device which is arranged on the main control circuit board 4-3 and rotates along with the main control circuit board 4-3 and a light emitting device which is arranged on the fixed body 2, the light receiving device on the main control circuit board 4-3 can receive a signal of the light emitting device every time when rotating for one circle, thus each fan blade 6 can be positioned, the display state is determined.
The product of this embodiment is as shown in fig. 2, 3 and 4, and it is a fan-type rotary 3D display device hung on the top surface of a ceiling, etc., and includes a cylindrical rotary body 4 and a cylindrical fixed body 2 enclosed outside the rotary body, the rotary body 4 is inserted into the fixed body 2, and is driven to rotate by a motor 3 fixed in the fixed body 2; 6 fan blades 6 are uniformly distributed on a front cover 4-4 at the top end of the rotating body 4; the rotating body 4 is cylindrical, the LED lamp beads 6-1 are continuously arranged towards at least one blade 6 from the center of the front cover 4-4, and the main control circuit board 4-3 for controlling the lamp beads 6-1 to work so as to generate images during rotation is arranged in the circular body of the rotating body 4; the top end of the fixed body 2 is provided with a fixed bracket 1 for mounting the fixed body.
Because the LED lamp beads 6-1 continuously arranged on the main control circuit board 4-3 and the fan blades 6 are all rotary, the power module 2-2 arranged in the rear cover 2-1 of the fixed body 2 can not directly supply power to the main control circuit board 4-3 and the LED lamp beads 6-1 and can only be directly connected with the motor 3 to supply power to the motor, in the embodiment, the main control circuit board 4-3 and the fan blades 6 are supplied with power in a wireless charging mode, as shown in figure 3, the power supply of the main control circuit board 4-3 and the lamp beads 6-1 comprises a fixed coil 2-4 arranged on the cylindrical inner wall of the fixed body 2 and a rotary coil 4-1 wound on the surface of the rotating body 4; the fixed coil 2-4 and the rotating coil 4-1 are coupled to form a primary coil and a secondary coil of the transformer, an alternating current signal is generated in the fixed body 2 and is coupled to a transmitting circuit of the fixed coil 2-4, and a rectifying and filtering circuit which is coupled with the rotating coil 4-1 and converts alternating current into direct current required by the main control circuit board 4-3 and the lamp bead 6-1 is arranged on the main control circuit board 4-3. In addition, a battery should not be provided in the rotating body 4, and a charging circuit for the battery is provided in the main control circuit board 4-3, and the battery is charged by wireless charging.
In this embodiment, the power module 2-2 in the fixed body 2 is directly connected to the commercial power to perform rectification and filtering on the commercial power to form a dc output, the fixed body 2 is also provided with a circuit board, the power module 2-2 is arranged on the circuit board, the power module can be a switching power supply, and the like, then the circuit board is provided with a wireless charger, the fixed coil 2-4 is a charging coil of the wireless charger, and the rotating coil 4-1 arranged on the surface of the rotating body 4 is a receiving coil of the wireless charger. Wireless charging is a common charging method in the art.
In this embodiment, since the two antennas of the wireless charging device are disposed around the motor, the main control circuit board 4-3 will be interfered if it needs to control the operation of the motor 3, such as controlling the rotation speed and positioning, and using wireless signals, so that in this embodiment, the main control circuit board 4-3 does not directly control the motor 3, but sets a correlation tube on the fixing body 2, and sets a receiving tube of the correlation tube on the rotating main control circuit board 4-3, and the receiving tube on the main control circuit board 4-3 can receive a signal once every rotation to determine the angular position. In addition, in order to facilitate the main control circuit board 4-3 to control the work of the motor 3, the motor can also be fixed on the rotating body 4, and the motor output shaft wheel is connected with the fixed body 2 in a pulling mode, so that the relative position of the stator of the motor 3 and the main control circuit board 4-3 is fixed, the stator of the motor 3 and the main control circuit board 4-3 can be connected by adopting a conducting wire, at the moment, the charging power of the wireless charging device is more than that of the prior art, and the motor is also powered by a storage.
In this embodiment, the fan-type rotational 3D display device comprises: the LED lamp comprises a CPU mainboard, a WIFI module, a control system, a power module, a coil mutual inductance device, an LED lamp panel, a main body device, a fixing device and the like.
The assembly description steps are as follows:
1. the fixed coil 2-4 is installed on the inner wall of the fixed body 2, and the head end circuit penetrates through the cavity to be in butt joint with the power supply module 2-2.
2. The head end of the motor 3 is fixed on the fixing body 2, a motor circuit passes through the cavity and is inserted into the power module 2-2, then the power module 2-2 is fixed on the fixing body 2 through screws, and the power module provides power for the fixing body.
3. The rear cover 2-1 and the fixing body 2 are locked and fixed, and the fixing support 1 is fixed on the rear cover 2-1.
4. The rotating coil 4-1 is fixed on the surface of the rotating body 4, a circuit penetrates through the cavity to be in butt joint with the main control circuit board 4-34-3 (power is provided for a CPU main board), and the main control circuit board 4-3 comprises a WIFI module and various interfaces.
5. The rotating end of the motor 3 is fixed on the rotating body 4, the fixed body 2 is superposed with the rotating body 4 after the fixing, two coils with the same circle center and different diameters are formed by the fixed coil and the rotating coil, and the wireless charger can be formed by outputting power to the main control circuit board 4-3 through a calculating and mutual inductance device.
6. After the main control circuit board 4-3 and the rotating body 4 are fixed well, the front cover 4-4 is covered; the surface of the rotator 4 is provided with a socket for reserving the spiral fan blades, and the embedded position of the star-shaped LED lamp panel 6-3 is reserved. The spiral fan blades 6 can be 3 pieces, 6 pieces and 9 pieces (multiple of 3).
7. The fan-shaped LED lamp panel 6-2 is embedded and fixed in the spiral fan blade 6-1, a built-in plug in the fan-shaped LED panel 6-2 is in butt joint with a plug on the main control circuit board 4-3, and the main control circuit board 4-3 provides electric power and signal/data transmission.
8. The star-shaped LED board 6-3 is embedded and fixed in the front cover 4-4, a plug of the star-shaped LED board 6-3 is butted with a reserved plug of the main control circuit board 4-3 through the front cover 4-4, and the main control circuit board 4-3 provides power and signal/data transmission (3D stereoscopic imaging presentation is realized).
9. And (4) electrifying, realizing the presentation of 3D (three-dimensional) imaging and realizing the function of the electric fan (changing the air flow to reach the expected wind direction of the wind machine).
The technical effects are as follows:
one machine is multi-purpose, can also realize the fan function when showing the product.
Saving cost and electricity (can directly replace an electric fan and can also be used for propaganda).
The CPU module is built in, various common serial ports/interfaces are reserved, and the system can be upgraded regularly (functions are increased, functions are optimized, a butt joint protocol is achieved, and an upper computer connected with various protocols is connected).
Claims (6)
1. A fan-type rotary 3D display device comprises a rotary body (4) and a fixed body (2), wherein the rotary body (4) is driven to rotate by a motor (3) fixed in the fixed body (2); fan blades (6) are uniformly distributed on the top front cover (4-4) of the rotating body (4); the method is characterized in that: the rotary body (4) is cylindrical, LED lamp beads (6-1) are continuously arranged from the center of the front cover (4-4) to at least one blade (6), and a main control circuit board (4-3) for controlling the lamp beads (6-1) to work so as to generate images during rotation is arranged in the circular body of the rotary body (4); the top end of the fixed body (2) is provided with a fixed bracket (1) for mounting the fixed body.
2. The fan-rotated 3D display device of claim 1, wherein: the power supply of the main control circuit board (4-3) and the lamp bead (6-1) comprises a fixed coil (2-4) arranged on the cylindrical inner wall of the fixed body (2) and a rotating coil (4-1) wound on the surface of the rotating body (4); the fixed coil (2-4) and the rotating coil (4-1) are coupled to form a primary coil and a secondary coil of the transformer, an alternating current signal generating sending circuit coupled to the fixed coil (2-4) is arranged in the fixed body (2), and a rectifying and filtering circuit coupled with the rotating coil (4-1) and used for converting alternating current into direct current required by the main control circuit board (4-3) and the lamp bead (6-1) is arranged on the main control circuit board (4-3).
3. The fan-rotated 3D display device of claim 1, wherein: the main control circuit board (4-3) is a CPU mainboard and comprises a video playing circuit controlled by a CPU.
4. The fan-rotated 3D display device of claim 3, wherein: the main control circuit board (4-3) is provided with a wireless communication module, and an antenna of the wireless communication module is arranged on the fan blades (6).
5. The fan-rotated 3D display device of claim 3, wherein: the main control circuit board (4-3) is also provided with a USB interface circuit.
6. The fan-rotated 3D display device of claim 1, wherein: the fan blades (6) are spiral fan blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021194394.6U CN212302119U (en) | 2020-06-24 | 2020-06-24 | Fan type rotary 3D display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021194394.6U CN212302119U (en) | 2020-06-24 | 2020-06-24 | Fan type rotary 3D display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212302119U true CN212302119U (en) | 2021-01-05 |
Family
ID=73942647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021194394.6U Active CN212302119U (en) | 2020-06-24 | 2020-06-24 | Fan type rotary 3D display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212302119U (en) |
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2020
- 2020-06-24 CN CN202021194394.6U patent/CN212302119U/en active Active
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