CN206210354U - A kind of guiding display screen based on CAN control - Google Patents
A kind of guiding display screen based on CAN control Download PDFInfo
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- CN206210354U CN206210354U CN201621279040.5U CN201621279040U CN206210354U CN 206210354 U CN206210354 U CN 206210354U CN 201621279040 U CN201621279040 U CN 201621279040U CN 206210354 U CN206210354 U CN 206210354U
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Abstract
The utility model is related to a kind of guiding display screen based on CAN control.CAN communication unit and remote host communication in the utility model, distance host is connected by CAN communication unit with main control unit, described main control unit is also connected with RGB display units, it is 64x64 points, the display board of 16 rows scanning that described RGB display units arrange pixel by 4096 2121 all-colour LEDs；Civil power is converted into 5V direct currents by said supply unit.This practicality can newly reduce connector and improve reliability, in a control unit integrated CAN interface, and the CAN circuit has automatic network-building function, realize being oriented to the versatility of remote cluster control, diversified displaying scheme and the product of screen.
Description
Technical field
The utility model belongs to electronic technology field, is related to a kind of guiding display screen based on CAN control.
Background technology
Traditional guiding screen has two schemes, and the first is the pattern to be shown of being arranged out with LED lamp bead, and this scheme is only
Can a kind of guiding pattern of display.It is for second the scheme with lattice module plus control card, the advantage of this scheme can be display
Multiple is oriented to pattern, has the disadvantage to use lattice module fault rate high, difficult maintenance and maintenance cost is high, and display separates peace with control card
Dress is inconvenient and connecting line is more, poor reliability.
The content of the invention
The utility model is in view of the shortcomings of the prior art, there is provided a kind of guiding display screen based on CAN control.
The utility model includes CAN communication unit, RGB display units, main control unit and power supply unit.Described
CAN communication unit and remote host communication, distance host are connected by CAN communication unit with main control unit, described
Main control unit be also connected with RGB display units, main control unit use STM32F205RCT6 chips, described RGB display units
It is 64x64 points, the display board of 16 rows scanning to arrange pixel by 4096 2121 all-colour LEDs；The row of display board are shown by building up
Driving chip JXI5020GP is driven, and data are transmitted by SPI interface, and row display is controlled by chip AMP4953K, 16 rows scanning electricity
Route 74HC138 decoding circuit controls, display board input signal is driven by 74HC245, and be converted into for civil power by said supply unit
5V direct currents.
The beneficial effects of the utility model：Resolution ratio based on 4096 RGB 2121LED compositions is 64X64, and spacing is
4mm, 16 sweep, and the Intelligent full-color of integrated main control chip STM32F205RCT6 and CAN interface is oriented to screen, and control unit is integrated
To in display unit, reduce connector and improve reliability, in a control unit integrated CAN interface, the CAN circuit has certainly
Dynamic networking function, realizes being oriented to the versatility of remote cluster control, diversified displaying scheme and the product of screen.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is STM32F205RCT6 governor circuits.
Fig. 3 is CAN communication unit circuit.
Fig. 4 is 2121LED RGB display units.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings.
As shown in figure 1,2121LED RGB display units：The partial circuit arranges pixel by 4096 2121 all-colour LEDs
It is 64x64 points, the display board of 16 rows scanning.The row of the display board of LED are shown by building up LED special driving chips JXI5020GP
Control, data are transmitted by SPI interface, and by AMP4953K controls, 16 line-scan circuits are by 74HC138 decoding circuit controls for row display
System, display board input signal is driven by 74HC245.
STM32F205RCT6 master controls：The main building block of the partial circuit is STM32F205RCT6, mainly realizes three
Divide function, first is display control, display unit transmitted data to by SPI interface, control display unit display is oriented to pattern,
Second is communication, receives the instruction that distance host is sent by CAN, and corresponding operation is performed according to the instruction for receiving,
3rd is data processing, according to the difference for receiving instruction, different treatment is carried out to data, then sends the data to display
Unit.
CAN communication unit：The partial circuit is to be oriented to the bridge communicated between screen and distance host, and distance host leads to
Cross CAN and send various control commands, be oriented to screen control unit and ordered by the control in partial circuit reception CAN
Order, then sends order to guiding screen control unit, and control unit performs different operations according to different instructions.
DC5V power supply units：The partial circuit is used for each functional module to guiding screen and powers, and is oriented to screen outside input
AC220V alternating currents, are converted to DC5V direct currents and are worked for being oriented to screen each unit module by the partial circuit by AC220V electricity.
As shown in Fig. 2 U5.8 is connected with 2121LED RGB display units U1.15, U5.9 and 2121LED RGB show single
First U1.14 connection, U5.14 is connected with 2121LED RGB display units U1.13, U5.15 and 2121LED RGB display units
U1.12 is connected, and U5.17 is connected with 2121LED RGB display units U1.11, U5.21 and 2121LED RGB display units
U2.18 is connected, and U5.22 is connected with 2121LED RGB display units U2.17, U5.23 and 2121LED RGB display units U2.16
Connection, U5.24 is connected with 2121LED RGB display units U2.15, and U5.25 is connected with 2121LED RGB display units U2.12,
U5.28 is connected with 2121LED RGB display units U1.17, U2.13, U3.14, U4.16, and U5.29 and 2121LED RGB show
Unit U1.16, U2.14, U3.15, U4.15 are connected, U5.33 and 2121LED RGB display units U1.18, U2.11, U3.16,
U4.14 is connected, and U5.37 is connected with 2121LED RGB display units U3.13, U5.38 and 2121LED RGB display units U3.12
Connection, U5.39 is connected with 2121LED RGB display units U3.11, and U5.40 is connected with 2121LED RGB display units U4.13,
U5.41 is connected with 2121LED RGB display units U4.12, and U5.42 is connected with 2121LED RGB display units U4.11, U5.61
It is connected with CAN communication unit R3.1, U5.62 is connected with CAN communication unit R2.1, and D1.2 represents light emitting diode D1
Negative pole, U1.5 represents the 5th pin of chip, herein the 8th pin of U5.8 expression chips U5, other similar expression.
As shown in figure 3, U8.1 is connected with R2.2, U8.4 is connected with R3.2, R2.1 and STM32F205RCT6 governor circuits
U5.62 is connected, and R3.1 is connected with STM32F205RCT6 governor circuits U5.61, and U8.8 is connected with R4.1, U8.7 and R5.1,
JP1.1 is connected, and U8.6 is connected with R5.2, JP1.2.
As shown in figure 4, U1.15 is connected with STM32F205RCT6 governor circuits U5.8, U1.14 and STM32F205RCT6 master
Control circuit U 5.9 is connected, and U1.13 is connected with STM32F205RCT6 governor circuits U5.14, U1.12 and STM32F205RCT6 master
Control circuit U 5.15 is connected, and U1.11 is connected with STM32F205RCT6 governor circuits U5.17, U2.18 and STM32F205RCT6
Governor circuit U5.21 is connected, and U2.17 is connected with STM32F205RCT6 governor circuits U5.22, U2.16 and
STM32F205RCT6 governor circuits U5.23 is connected, and U2.15 is connected with STM32F205RCT6 governor circuits U5.24, U2.12
It is connected with STM32F205RCT6 governor circuits U5.25, U1.17, U2.13, U3.14, U4.16 and STM32F205RCT6 master control
Circuit U 5.28 is connected, U1.16, U2.14, U3.15, U4.15 and STM32F205RCT6 governor circuit U5.29 connections,
U1.18, U2.11, U3.16, U4.14 and STM32F205RCT6 governor circuit U5.33 are connected, U3.13 and STM32F205RCT6
Governor circuit U5.37 is connected, and U3.12 is connected with STM32F205RCT6 governor circuits U5.38, U3.11 and
STM32F205RCT6 governor circuits U5.39 is connected, and U4.13 is connected with STM32F205RCT6 governor circuits U5.40, U4.12
It is connected with STM32F205RCT6 governor circuits U5.41, U4.11 is connected with STM32F205RCT6 governor circuits U5.42.
To sum up, it is 64X64, spacing that the utility model realizes a kind of resolution ratio being made up of 4096 RGB 2121LED
It is 4mm, 16 sweep, the Intelligent full-color of integrated main control chip STM32F205RCT6 and CAN interface is oriented to screen, control unit collection
Into reliability is improved in display unit, reducing connector, integrated CAN interface, realizes being oriented to screen in a control unit
The versatility of remote cluster control, diversified displaying scheme and product.
The utility model is described in detail above, specific case is applied in the utility model to the utility model
Principle and implementation method be set forth, the explanation of above example is only intended to help and understands that core of the present utility model is thought
Think；Simultaneously for those of ordinary skill in the art, according to thought of the present utility model, in specific embodiment, material technology
And be will change in range of application, in sum, this specification content should not be construed as to limitation of the present utility model.
Claims (1)
1. a kind of guiding display screen based on CAN control, including CAN communication unit, RGB display units, master control list
Unit and power supply unit, it is characterised in that：Described CAN communication unit and remote host communication, distance host are total by CAN
Line communication unit is connected with main control unit, and described main control unit is also connected with RGB display units, and main control unit is used
STM32F205RCT6 chips, it is 64x64 points, 16 that described RGB display units arrange pixel by 4096 2121 all-colour LEDs
The display board of row scanning；The row of display board show and are driven by accumulation driving chip JXI5020GP that data are transmitted by SPI interface,
Row display controlled by chip AMP4953K, 16 line-scan circuits are controlled by 74HC138 decoding circuits, display board input signal by
74HC245 is driven, and civil power is converted into 5V direct currents by said supply unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621279040.5U CN206210354U (en) | 2016-11-27 | 2016-11-27 | A kind of guiding display screen based on CAN control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621279040.5U CN206210354U (en) | 2016-11-27 | 2016-11-27 | A kind of guiding display screen based on CAN control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206210354U true CN206210354U (en) | 2017-05-31 |
Family
ID=58747725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621279040.5U Expired - Fee Related CN206210354U (en) | 2016-11-27 | 2016-11-27 | A kind of guiding display screen based on CAN control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206210354U (en) |
-
2016
- 2016-11-27 CN CN201621279040.5U patent/CN206210354U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20201127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |