CN207052216U - A kind of Novel rotary LED display - Google Patents
A kind of Novel rotary LED display Download PDFInfo
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- CN207052216U CN207052216U CN201720449947.XU CN201720449947U CN207052216U CN 207052216 U CN207052216 U CN 207052216U CN 201720449947 U CN201720449947 U CN 201720449947U CN 207052216 U CN207052216 U CN 207052216U
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- motor
- pcb board
- master control
- led display
- receiving coil
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Abstract
It the utility model is related to a kind of Novel rotary LED display, including fixed station, master control pcb board and the motor being arranged on fixed station, a receiving coil is fixed in the lower surface of master control pcb board, receiving coil is powered for master control pcb board, the lower surface that the rotor upper end of motor is fixed on master control pcb board is located at the circle centre position of receiving coil, a transmitting coil is provided with the housing of motor, transmitting coil is located at the periphery of receiving coil, transmitting coil is powered using AC power, one end of master control pcb board is provided with a LED display, LED display is controlled by master control pcb board, motor driving pcb board is additionally provided with fixed station, on the rotor of motor hollow shaft encoder is arranged with below receiving coil and transmitting coil.The utility model solves existing rotating LED display device because the rotary speed unstabilization of motor is determined, caused by rotating LED the problem of showing ghost image.
Description
Technical field
It the utility model is related to LED display design field, more particularly to a kind of Novel rotary LED display dresses
Put.
Background technology
At present, LED display is widely used to station, bank, market etc. during we live as the medium of advertisement
Public place, it has the advantages that small power consumption, long lifespan, color are good.The luminescent device of present LED display mainly uses
LED flat plate module, such display screen mainly have two problems：It is whole display screen first entirely by LED flat plate module group
Into number of devices is more, and cost is high；Further, since display screen is a plane, while LED picture elements have certain visual angle to limit, and make
The visual range of display screen is confined to front within the scope of some, make in the application the information of display screen issue receive it is certain
Space limitation.Many LED displays gradually adopt LED rotational display screen technologies at present regarding to the issue above, such as 2012
November 14, Chinese patent Authorization Notice No. CN202534294U disclosed a kind of rotary scanning type ad display screen, one kind rotation
Scan-type ad display screen, it is characterised in that provided with motor, the output shaft of motor is provided with swivel mount, and swivel mount one end is set
There is display board, a row LED is longitudinally set on display board, swivel mount is provided with the circuit board with single-chip microcomputer, and LED is through circuit board point
It is not connected with single-chip microcomputer, circuit board is connected with power supply.Because circuit board is rotation in the course of work, therefore circuit board needs
It is connected through brush with external power source, abrasion of the brush for circuit board contacts face is very big, and adds the complexity of structure.
On 04 25th, 2016 Chinese patent Authorization Notice No. CN105761668A disclose a kind of rotation sweep LED and shown
Equipment, it includes：Wireless power supply system, wireless power supply system include motor, motor driving plate and wireless power transmitting coil, nothing
Line power supply transmitting coil is fixed in motor driving plate；Master control system, including master board and wireless power receiving coil, nothing
Line power supply receiving coil is nested in wireless power transmitting coil, and wireless power receiving coil is fixed by socket on the outside of motor.It is aobvious
Showing device, including LED board.LED board is fixedly connected with master board.The wireless power transmitting coil of the present invention connects with wireless power
Take-up circle uses nested mode, is not contacted with each other between wireless power transmitting coil and wireless power receiving coil, utilizes motor
Rotation drive wireless power receiving coil to be rotated relative to wireless power transmitting coil, nested mode helps at utmost to press
The volume of contracting wireless power part, and the efficiency of wireless power can be increased substantially, and rotate freely.
But at present in rotating LED display device in use, also found a problem, the rotating speed of motor is can not
Regulation, but due to may be due to equipment attrition aging or unstable supply voltage in actual application the problem of, make
Rotary speed unstabilization into motor is determined, it is thus possible to occurs that LED shows ghost problems.
Utility model content
Therefore, for it is above-mentioned the problem of, the utility model proposes a kind of Novel rotary LED display, the utility model
Existing rotating LED display device is solved because the rotary speed unstabilization of motor is determined, caused by rotating LED show asking for ghost image
Topic.
To achieve the above object, the utility model employs following technical scheme：A kind of Novel rotary LED display,
Including fixed station, master control pcb board and the motor being arranged on fixed station, a reception is fixed in the lower surface of the master control pcb board
Coil, the receiving coil are powered for master control pcb board, and the rotor upper end of the motor is fixed on the lower surface position of master control pcb board
In being provided with a transmitting coil on the circle centre position of receiving coil, the housing of the motor, the transmitting coil is positioned at reception line
The periphery of circle, the transmitting coil are powered using AC power, and one end of the master control pcb board is provided with a LED display,
The LED display is controlled by master control pcb board, and motor driving pcb board is additionally provided with the fixed station, and the motor turns
On son hollow shaft encoder is arranged with below receiving coil and transmitting coil；
Motor driving controling circuit, motor drive microcontroller, motor driving bluetooth are provided with the motor driving pcb board
Module and supply unit, the motor driving controling circuit and hollow shaft encoder electrically connect with motor drive microcontroller respectively,
The motor driving bluetooth module communicates to connect with motor drive microcontroller, and the supply unit supplies for motor drive microcontroller
Electricity.
Main control singlechip, power-supplying circuit, master control bluetooth module are provided with the master control pcb board, LED display drives
Dynamic circuit, the power-supplying circuit input electrically connect with receiving coil, the power-supplying circuit output end and single-chip microcomputer
Electrical connection, the main control singlechip are electrically connected with LED display drive circuit, and the LED display drive circuit is shown with LED
Screen electrical connection, the main control singlechip communicate to connect with master control bluetooth module, the master control bluetooth module and motor driving bluetooth
Module communicates to connect.
Further, light sensor is additionally provided with the motor driving pcb board, the light sensor drives with motor
Dynamic monolithic mechatronics.
By using preceding solution, the beneficial effects of the utility model are：This Novel rotary LED display, lead to
Cross LED display rotary and gather the rotor rotor rotating signal of motor, motor into the display effect of solid, hollow shaft encoder
Hollow shaft encoder produces a pulse electrical signal to rotor for each revolution, and motor drive microcontroller is according to the pulse telecommunications of reception
Number frequency calculates the rotating speed of motor and drives bluetooth module that the rotary speed information of motor is passed into master control bluetooth mould by motor
Block, master control bluetooth module pass to main control singlechip after receiving the rotary speed information of motor, and main control singlechip receives turning for motor
Adjust automatically LED display is in the display time at each moment after fast information, so as to the ghost problems for avoiding LED from showing；Enter one
Step, the light of surrounding is detected by light sensor, when ambient light is secretly, motor drive microcontroller judges now darkness,
Motor drive microcontroller controlled motor drive control circuit drives motor, rotating LED display device are started working.
Brief description of the drawings
Fig. 1 is the blast split graph of the utility model rotating LED display device；
Fig. 2 is the motor driving pcb board circuit block diagram of the utility model rotating LED display device；
Fig. 3 is the master control pcb board circuit block diagram of the utility model rotating LED display device；
Fig. 4 is the power-supplying circuit schematic diagram of the utility model rotating LED display device main control board.
Embodiment
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
With reference to figure 1, Fig. 2, Fig. 3 and Fig. 4, the utility model provides a kind of Novel rotary LED display, including including solid
Determine platform 1, the motor being arranged on fixed station 12 and master control pcb board 3, a reception line is fixed in the lower surface of the master control pcb board 3
Circle 5, the lower surface that the upper end of rotor 21 of the motor 2 is fixed on master control pcb board 3 are located at the circle centre position of receiving coil 5, the electricity
A transmitting coil 6 is provided with the housing of machine 2, the transmitting coil 6 is located at the periphery of receiving coil 5, the transmitting coil 6
Using exchange 5V power supplys power supply, one end of the master control pcb board 3 is provided with a LED display 4, and the LED display 4 is logical
Cross master control pcb board 3 to control, motor driving pcb board 8 is additionally provided with the fixed station 1, is located on the rotor 21 of the motor 2
Receiving coil 5 and the lower section of transmitting coil 6 are arranged with hollow shaft encoder 7.
Motor driving controling circuit, motor drive microcontroller, motor driving indigo plant are provided with the motor driving pcb board 8
Tooth module, light sensor and supply unit, the supply unit use 5V dc sources, and the motor driving controling circuit is used
In motor starting and regulation motor rotating speed, the motor driving controling circuit, light sensor and hollow shaft encoder 7 divide
Do not electrically connected with motor drive microcontroller, the motor driving bluetooth module communicates to connect with motor drive microcontroller, the electricity
Source device is motor drive microcontroller；The motor driving controling circuit is existing known technology.
Main control singlechip, power-supplying circuit, master control bluetooth module, LED display are provided with the master control pcb board 3
Drive circuit, the power-supplying circuit include what is be made up of diode D51, diode D52, diode D53 and diode D54
Bridge rectifier, the receiving coil 5 are connected between diode D51 positive terminals and diode D52 positive terminals, two pole
Electric capacity C10 is connected between pipe D51 negative pole ends and diode D53 positive terminals and forms filter circuit, the diode D51 negative pole ends and
Voltage-regulator diode D50 is connected between diode D53 positive terminals and forms mu balanced circuit；The diode D51 negative pole ends connect master control
Single-chip microcomputer is powered for main control singlechip, and the main control singlechip electrically connects with LED display drive circuit, the LED display
Drive circuit electrically connects with LED display 4, and the main control singlechip communicates to connect with master control bluetooth module, the master control bluetooth
Module and motor driving bluetooth module communication connection.The LED display drive circuit is existing known technology.
Operation principle：Light intensity around light sensor detection, when the light intensity deficiency of surrounding, motor driving
Single-chip microcomputer receives light sensor detection light intensity information and is judged as darkness, motor drive microcontroller controlled motor drive control
Circuit drives electric motor starting；Receiving coil after electric motor starting on master control pcb board 3 is due to electromagnetic induction generation electric energy, through power supply
It is the circuit power supply on master control pcb board after control circuit rectification, filtering, voltage stabilizing, main control singlechip is using row scanning method control LED
Display drive circuit task driven LED display 4, LED display 4 do the display effect that solid is formed during circle rotation motion
Fruit, circumference is cut into 180 viewing areas, i.e. each two angle is a viewing area, each viewing area master control monolithic
Machine control LED display drive circuit display refreshes once, and the motion frequency that circle rotation motion is done when LED display 4 is dealt into
24 turns per second to reach the persistence of vision effect of human eye, i.e. viewing area main control singlechip control LED display drive circuit brush
The new time is 1/4320 second.
Hollow shaft encoder gathers the rotating signal of rotor 21 of motor 2, rotor hollow shaft encoder 7 for each revolution
A pulse electrical signal is produced, the rotating speed that motor drive microcontroller calculates motor according to the pulse electrical signal frequency of reception is per second
24 turns.When the rotating speed of motor 2 changes, as the rotating speed of motor 2 is changed into 30 turns per second, motor drives bluetooth module by now motor
Rotary speed information passes to master control bluetooth module, and master control bluetooth module passes to master control monolithic after receiving the rotary speed information of motor 2
Machine, main control singlechip receive motor 2 rotary speed information after adjust automatically LED display drive circuit refresh time be 1/5400
Second, ghost image would not occur in the effect that such Rotatable LED display screen 4 is shown.
User can also connect motor by the handhold mobile terminal equipment with Bluetooth function and drive bluetooth module, pass through
The rotating speed of hand-held mobile terminal controlled motor, so that rotating LED display device reaches more preferable display effect.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, is not departing from the spirit and scope of the present utility model that appended claims are limited, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (2)
1. a kind of Novel rotary LED display, including fixed station, master control pcb board and the motor being arranged on fixed station, described
A receiving coil is fixed in the lower surface of master control pcb board, and the receiving coil is powered for master control pcb board, the rotor of the motor
The lower surface that upper end is fixed on master control pcb board is located at the circle centre position of receiving coil, and a hair is provided with the housing of the motor
Ray circle, the transmitting coil are located at the periphery of receiving coil, and the transmitting coil is powered using AC power, the master control
One end of pcb board is provided with one piece of LED display, and the LED display is controlled by master control pcb board, it is characterised in that：It is described
Motor driving pcb board is additionally provided with fixed station, is arranged on the rotor of the motor below receiving coil and transmitting coil
There is hollow shaft encoder；
Motor driving controling circuit, motor drive microcontroller, motor driving bluetooth module are provided with the motor driving pcb board
And supply unit, the motor driving controling circuit and hollow shaft encoder electrically connect with motor drive microcontroller respectively, described
Motor drives bluetooth module to be communicated to connect with motor drive microcontroller, and the supply unit is powered for motor drive microcontroller；
Main control singlechip, power-supplying circuit, master control bluetooth module, LED display driving electricity are provided with the master control pcb board
Road, the power-supplying circuit input electrically connect with receiving coil, and the power-supplying circuit output end is electrically connected with single-chip microcomputer
Connect, the main control singlechip electrically connects with LED display drive circuit, the LED display drive circuit and LED display electricity
Connection, the main control singlechip communicate to connect with master control bluetooth module, the master control bluetooth module and motor driving bluetooth module
Communication connection.
A kind of 2. Novel rotary LED display according to claim 1, it is characterised in that：The motor drives pcb board
On be additionally provided with light sensor, the light sensor electrically connects with motor drive microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720449947.XU CN207052216U (en) | 2017-11-08 | 2017-11-08 | A kind of Novel rotary LED display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720449947.XU CN207052216U (en) | 2017-11-08 | 2017-11-08 | A kind of Novel rotary LED display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207052216U true CN207052216U (en) | 2018-02-27 |
Family
ID=61488420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720449947.XU Active CN207052216U (en) | 2017-11-08 | 2017-11-08 | A kind of Novel rotary LED display |
Country Status (1)
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| CN (1) | CN207052216U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847147A (en) * | 2018-09-07 | 2018-11-20 | 速亿联科技发展（深圳）有限公司 | A kind of rotary screen stereoscopic imaging apparatus |
| CN108986725A (en) * | 2018-09-29 | 2018-12-11 | 南京达斯琪数字科技有限公司 | A kind of rotation holographic display |
| CN109087593A (en) * | 2018-10-10 | 2018-12-25 | 浙江三杰工艺品有限公司 | A kind of 3D rotation full-color display |
| CN110636671A (en) * | 2019-09-27 | 2019-12-31 | 浙江孚硕电通股份有限公司 | Power supply for controlling LED lamp |
| CN111731495A (en) * | 2020-06-08 | 2020-10-02 | 东莞理工学院 | Equipment giving consideration to unmanned aerial vehicle flight and LED lamp display and control method |
| CN112419906A (en) * | 2019-08-23 | 2021-02-26 | 深圳市屯奇尔科技有限公司 | Rotary driving device and LED lamp strip rotary imaging equipment |
| CN114830639A (en) * | 2020-11-19 | 2022-07-29 | 京东方科技集团股份有限公司 | Display device |
-
2017
- 2017-11-08 CN CN201720449947.XU patent/CN207052216U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847147A (en) * | 2018-09-07 | 2018-11-20 | 速亿联科技发展（深圳）有限公司 | A kind of rotary screen stereoscopic imaging apparatus |
| CN108986725A (en) * | 2018-09-29 | 2018-12-11 | 南京达斯琪数字科技有限公司 | A kind of rotation holographic display |
| CN108986725B (en) * | 2018-09-29 | 2024-05-28 | 南京达斯琪数字科技有限公司 | Rotary holographic display device |
| CN109087593A (en) * | 2018-10-10 | 2018-12-25 | 浙江三杰工艺品有限公司 | A kind of 3D rotation full-color display |
| CN112419906A (en) * | 2019-08-23 | 2021-02-26 | 深圳市屯奇尔科技有限公司 | Rotary driving device and LED lamp strip rotary imaging equipment |
| CN110636671A (en) * | 2019-09-27 | 2019-12-31 | 浙江孚硕电通股份有限公司 | Power supply for controlling LED lamp |
| CN111731495A (en) * | 2020-06-08 | 2020-10-02 | 东莞理工学院 | Equipment giving consideration to unmanned aerial vehicle flight and LED lamp display and control method |
| CN114830639A (en) * | 2020-11-19 | 2022-07-29 | 京东方科技集团股份有限公司 | Display device |
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