CN205050537U - LED asynchronous control ware - Google Patents

LED asynchronous control ware Download PDF

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Publication number
CN205050537U
CN205050537U CN201520738349.5U CN201520738349U CN205050537U CN 205050537 U CN205050537 U CN 205050537U CN 201520738349 U CN201520738349 U CN 201520738349U CN 205050537 U CN205050537 U CN 205050537U
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module
interface
electrically connected
led
chip
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何琳琳
刘延
王伙荣
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Xian Novastar Electronic Technology Co Ltd
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Xian Novastar Electronic Technology Co Ltd
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Abstract

The utility model relates to a LED asynchronous control ware, include: the core board is provided with processor module, USB PHY chip, network PHY chip, nonvolatile memory and a volatile memory, the wireless network daughter board of communicating is provided with wiFi module and/or mobile network module and corresponds the wiFi module and/or mobile network module and the antennal interface that sets up, and the bottom plate, be provided with programmable logic device module, the 2nd volatile memory, LED display driver module, core board interface and wireless network communication daughter board interface. The utility model provides a LED asynchronous control ware divides three layer construction the design, can improve system stability difference and reliability, save the space of cost and hardware composing.

Description

LED nonsynchronous controller
Technical field
The utility model relates to LED display control technology field, particularly a kind of LED nonsynchronous controller.
Background technology
Embedded OS is a kind of broad-spectrum system software, generally includes hardware-related bottom layer driving software, system kernel, device drives interface, communication protocol, graphical interfaces, standardization browser etc.Embedded OS is responsible for distribution, the task scheduling of whole soft and hardware resources of embedded system, controls, coordinates concurrent activities; It must embody the feature of its place system, can reach function required by system by handling certain module.Have in the widely used operating system in embedded system field at present: built-in Linux, WindowsEmbedded (such as WinCE6.0), VxWorks etc., and be applied in Android, iOS etc. of smart mobile phone and panel computer.
The feature of embedded OS mainly contains: system kernel is little, specificity is strong, system is simplified, high real-time, multitask, the specific developing instrument of needs and environment etc.Embedded system is carried out a kind of trend that the design of some peripheral functions and exploitation are also nowadays social electronic product control system development.
Along with developing rapidly of LED display technique, the release that various LED display drive scheme also emerges in an endless stream.Fig. 1 is the hardware configuration schematic diagram of existing a kind of LED nonsynchronous controller, and it mainly places the relevant hardware circuit of whole system based on single circuit board, and adopts ARM+FPGA framework as main control module.
But still still there is the problem that system stability is poor, reliability is not high and cost is higher in existing LED nonsynchronous controller.
Utility model content
Therefore, for defect of the prior art and deficiency, the utility model proposes a kind of LED nonsynchronous controller.
Particularly, a kind of LED nonsynchronous controller that an embodiment of the present utility model proposes, carries one or more LED lamp panel for band.Described LED nonsynchronous controller comprises: core board, be provided with processor module, USBPHY chip, network PHY chip, nonvolatile memory and the first volatile memory, described USBPHY chip, described network PHY chip, described nonvolatile memory and described first volatile memory are electrically connected described processor module; Wireless communication daughter board, is provided with WiFi module and/or mobile network's module and corresponding described WiFi module and/or described mobile network's module and the antennal interface arranged; And base plate, be provided with programmable logic device (PLD) module, the second volatile memory, LED driver module, core board interface and wireless communication daughterboard interface, described second volatile memory and described LED driver module are electrically connected described programmable logic device (PLD) module, described wireless communication daughter board is electrically connected described wireless communication daughterboard interface and is electrically connected described USBPHY chip and described network PHY chip by described core board interface, and described programmable logic device (PLD) module is electrically connected described processor module by described core board interface.
In an embodiment of the present utility model, described processor module comprises arm processor.
In an embodiment of the present utility model, described wireless communication daughter board is also provided with mobile network's module interface, and described mobile network's module interface is electrically connected described USBPHY chip by described wireless communication daughterboard interface and described core board interface; Described mobile network's module is electrically connected described mobile network's module interface pluggablely.
In an embodiment of the present utility model, described mobile network's module interface is PCI-E interface, and described mobile network's module is the plate card type module with PCI-E interface.
In an embodiment of the present utility model, described wireless communication daughter board is also provided with SIM card interface, and described SIM card interface is electrically connected described mobile network's module interface.
In an embodiment of the present utility model, described antennal interface is SMA interface.
In an embodiment of the present utility model, described WiFi module is the double mode WiFi module with station pattern and ap mode.
In an embodiment of the present utility model, described base plate is also provided with wired network interface module, one-chip computer module, clock and battery module, energy supply control module, serial port module and voicefrequency circuit, described wired network interface module is electrically connected described network PHY chip by described core board interface, described one-chip computer module is electrically connected described programmable logic device (PLD) module, described clock and battery module are electrically connected described one-chip computer module, described energy supply control module is electrically connected described one-chip computer module and described core board interface, described serial port module is electrically connected described processor module by described core board interface and comprises RS232 interface and RS485 interface, described voicefrequency circuit is electrically connected described processor module by described core board interface.
In an embodiment of the present utility model, described base plate is USBHUB chip also, and described wireless communication daughterboard interface is sequentially electrically connected described USBPHY chip by described USBHUB chip and described core board interface.
In an embodiment of the present utility model, described core board, described wireless communication daughter board and described base plate spatially divide three interlayers every setting, and described core board is fixed between described base plate and described wireless communication daughter board.
As from the foregoing, the LED nonsynchronous controller that embodiment of the present utility model proposes can improve the space of system stability difference and reliability, saving cost and hardware typesetting.
By the detailed description below with reference to accompanying drawing, other side of the present utility model and feature become obvious.But it should be known that this accompanying drawing is only the object design of explanation, instead of as the restriction of scope of the present utility model, this is because it should with reference to additional claim.Should also be appreciated that, unless otherwise noted, unnecessaryly draw accompanying drawing to scale, they only try hard to structure described herein and flow process are described conceptually.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
Fig. 1 is the hardware configuration schematic diagram of a kind of LED nonsynchronous controller of the prior art.
Fig. 2 is the hardware configuration schematic diagram of the base plate of a kind of LED nonsynchronous controller that the utility model embodiment proposes.
Fig. 3 is the hardware configuration schematic diagram of the core board of a kind of LED nonsynchronous controller that the utility model embodiment proposes.
Fig. 4 is the hardware configuration schematic diagram of the wireless communication daughter board of a kind of LED nonsynchronous controller that the utility model embodiment proposes.
Fig. 5 be the utility model embodiment propose a kind of base plate of LED nonsynchronous controller, core board and wireless communication daughter board three spatial relation schematic diagram.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.
Refer to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of LED nonsynchronous controller 50 that an embodiment of the present utility model proposes carries one or more LED lamp panel for band and realizes information displaying, and it comprises base plate 20, core board 30 and wireless communication daughter board 40.
Wherein, as shown in Figure 2, base plate 20 comprises setting core board interface 201 on circuit boards, FPGA module 202, wireless communication daughterboard interface 203, wired network interface module 204, USBHUB chip 205, voicefrequency circuit 206, pilot lamp and key-press module 207, serial port module 208, SDRAM209, LED driver module 210, clock and battery module 211, one-chip computer module 212 and energy supply control module 213.
As shown in Figure 3, core board 30 comprises setting arm processor 301 on circuit boards, network PHY chip 302, USBPHY chip 303, flash memory 304, DDR2305 and power management chip (PowerManagementIC) 306.
As shown in Figure 4, wireless communication daughter board 40 comprises setting 3G/4G module interface 401 on circuit boards, SIM card interface 402, WiFi module 403, SMA interface 404,405, indicating lamp module 406 and power module 407, and the 3G/4G module 408 of electrical connection 3G/4G module interface 401.
Below in conjunction with Fig. 2, Fig. 3 and Fig. 4, each element of base plate 20, core board 30 and wireless communication daughter board 40 is described in detail.
Refer to Fig. 2, core board interface 201 is as the electric connecting element of core board 30 and base plate 20, and it can be terminal block, such as, be the terminal block of two 60pin.
FPGA (FieldProgrammableGateArray, field programmable gate array) module 202 is electrically connected arm processor 301 on core board 30 by core board interface 201, it mainly processes the interactive information between arm processor 301, and the information of display is sent to LED lamp panel, and to product make be used as empowerment management function; Herein, FPGA module 202 also can be other programmable logic device (PLD) modules, such as CPLD (ComplexProgrammableLogicDevice, CPLD) module etc.
Wireless communication daughterboard interface 203 is as the electric connecting element of wireless communication daughter board 40 and base plate 20, and it can be terminal block, such as, be the terminal block of a 6pin and the terminal block of a 10pin.
Wired network interface module 204 is electrically connected the network PHY chip (being also network physical interface transponder chip) 302 on core board 30 by core board interface 201, it typically comprises network transformer and network interface such as RJ45 interface; Herein, wired network interface module 204 is mainly as the arm processor 301 on core board 30 and the bridge communicated between exterior PC.
USBHUB chip 205 is electrically connected the USBPHY chip 303 on core board 30 by core board interface 201, it is mainly as the use of USB interface expansion; The USB interface expanded can be used for patching USB flash disk, and the peripherals such as the mouse of USB interface.
Voicefrequency circuit 206 is electrically connected the audio interface of the arm processor 301 on core board 30 by core board interface 201, its as during media play to audio frequency processing module, typically comprise level shifting circuit, digital to analog converter and audio output port for connection audio amplifier.
For pilot lamp and key-press module 207, the difference of pilot lamp display state can effectively allow user navigate under which kind of situation current system run to, and can quick position instruction to problem; The IP address that button mainly recovers to dispatch from the factory is used.
Serial port module 208 is electrically connected the UART (UniversalAsynchronousReceiver/Transmitter of the arm processor 301 on core board 30 by core board interface 201, universal asynchronous receiving-transmitting transmitter) port, it such as comprises level shifting circuit, RS232 interface, RS485 transceiver and RS485 interface, RS232 interface is by the UART port of this level shifting circuit electrical connection arm processor 301, and RS485 interface is sequentially electrically connected another UART port of arm processor 301 by RS485 transceiver and this level shifting circuit.In addition, RS485 interface is mainly used for connecting the equipment of peripheral distance far point a little, as light probe etc.; RS232 interface is generally used to debugging operations system, use when printing some Debugging message.
SDRAM209 is electrically connected FPGA module 202, is mainly used for the data depositing FPGA module 202.Certainly, SDRAM209 herein also can replace to other volatile memory.
LED driver module 210 is electrically connected FPGA module 202, it mainly contains driving circuit section and LED lamp panel interface section (the such as card extender or HUB plate interface) of LED lamp panel, realizes by this module 210 function that LED nonsynchronous controller 50 strips carry.
Clock and battery module 211 are electrically connected one-chip computer module 212, and it is mainly in order to keeping system time and Network Synchronization use, and can avoid the problem that the time after system cut-off loses.
One-chip computer module 212 is electrically connected FPGA module 202, it is mainly used for controlling power supply, obtain storage time to arm processor 301 from clock and battery module 211, detect the functions such as the detection of the door switch of some temperature, humidity, voltage and alarm and LED box;
Energy supply control module 213 is electrically connected one-chip computer module 212, mainly controls power supply by one-chip computer module 212 and powers to arm processor 301, prevents arm processor 301 once the generation that is breakdown, that the situation such as to burn out that powers on.
Refer to Fig. 3, the application software that after arm processor 301 powers on, operation system (such as Linux, the operating systems such as Android) and function are correlated with, control various external unit and play function; In addition arm processor 301 also can for having other processor modules being similar to arm processor.
Network PHY chip 302 is electrically connected arm processor 301, and it is such as 100,000,000 net PHY chip.
USBPHY chip 303 is electrically connected the USB interface of arm processor 301.
Flash memory 304 and DDR2305 are electrically connected arm processor 301, and it is mainly served for arm processor 301, store operating system file and software etc. and ensure the key modules that system normal table runs.Herein, flash memory 304 also can replace to other nonvolatile memories, and DDR2305 also can replace to other volatile memory.
Power management chip 306 is electrically connected arm processor 301, and it provides electric power management mechanism mainly to the arm processor 301 on core board 30.
Refer to Fig. 4,3G/4G module interface 401 is for connecting 3G/4G module 408, and it is such as PCI-E interface; Moreover 3G/4G module interface 401 is electrically connected USBHUB chip 205 by wireless communication daughterboard interface 203.
SIM card interface 402 is electrically connected 3G/4G module interface 401, and it is for accommodating SIM card.
WiFi module 403 can use as station pattern and ap mode, have the function of route WiFi, and the webpage can held by PC carries out optimum configurations; In addition, user as the equipment such as mobile phone, PAD by mobile terminal, is connected to LED nonsynchronous controller 50 and communicates; By the APP of mobile terminal, parameter configuration carried out to LED display, regulate brightness, whether the running status of detection LED control system is good, send and play media etc.; Without under network condition, connect WiFi module 403 by mobile phone and also can realize media sending function.As can be seen here, the WiFi module 403 of the present embodiment is for having the double mode WiFi module of station pattern and ap mode.Moreover WiFi module 403 is electrically connected network PHY chip 302 by wireless communication daughterboard interface 203 and core board interface 201.
SMA interface 404,405 is electrically connected WiFi module 403 and 3G/4G module 408 respectively and as antennal interface with external special WiFi antenna and 3G/4G antenna, strengthens signal.
Indicating lamp module 406 is electrically connected 3G/4G module interface 401 and WiFi module 403, to indicate the duty of 3G/4G module 408 and WiFi module 403.
Power module 407 is electrically connected 3G/4G module interface 401, WiFi module 403 and indicating lamp module 406, to power to it.
3G/4G module 408 is as mobile network's module, and it can be the plate card type module with PCI-E interface, thus is arranged on wireless communication daughter board 40 pluggablely.In addition, 3G/4G module 408 such as adopts the SIM5352E chip being integrated with 3G and GPS function.Moreover, due to the setting of 3G/4G module 408, in can applying out of doors, connect mobile network whenever and wherever possible, access the up-to-date information in internet; GPS function can be used for the location to this LED nonsynchronous controller 50 place current location.
Refer to Fig. 5, the LED nonsynchronous controller 50 of the present embodiment have employed 3-tier architecture design, compatible core plate interface 201 and wireless network communications interface 203 on base plate 20, discharge base plate 20 successively from the bottom up, core board 30, wireless communication daughter board 40 three-decker designs, wherein such as arrange aciculiform formula by two 60pin between core board 30 with base plate 20 to be electrically connected, such as arrange aciculiform formula by 10pin and 6pin between wireless communication daughter board 40 with base plate 20 to be connected, also undertaken physically by copper post 51 between three planks spaced fixing simultaneously, save the space of the Hardware Design.
In addition, be understandable that, LED asynchronous control-card of the present utility model is not limited to be provided with Fig. 2, all elements shown in Fig. 3 and Fig. 4, also can increase according to actual conditions elasticity, integrated, or clipped element, such as wireless communication daughter board 40 can only arrange WiFi module and not arrange mobile network's module (such as 3G/4G module), or mobile network's module is only set and WiFi module is not set, or both arrange etc., as long as it does not depart from raising system stability of the present utility model difference and reliability, save the invention spirit in the space of cost and hardware typesetting.
In sum, the utility model can reach following one or more beneficial effect: the space 1) saving cost and hardware typesetting; 2) can meet the intelligent demand of client, user experience is better; 3) the station pattern of WiFi and the dual-mode functions of ap mode can be realized, and carry out long-range setting by webpage, also be integrated with the function of mobile network communication and GPS simultaneously; And 4) requirement of outdoor vehicle-mounted LED display screen can be realized.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solutions of the utility model content, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.

Claims (10)

1. a LED nonsynchronous controller, carries one or more LED lamp panel for band; It is characterized in that, described LED nonsynchronous controller comprises:
Core board, be provided with processor module, USBPHY chip, network PHY chip, nonvolatile memory and the first volatile memory, described USBPHY chip, described network PHY chip, described nonvolatile memory and described first volatile memory are electrically connected described processor module;
Wireless communication daughter board, is provided with WiFi module and/or mobile network's module and corresponding described WiFi module and/or described mobile network's module and the antennal interface arranged; And
Base plate, be provided with programmable logic device (PLD) module, the second volatile memory, LED driver module, core board interface and wireless communication daughterboard interface, described second volatile memory and described LED driver module are electrically connected described programmable logic device (PLD) module, described wireless communication daughter board is electrically connected described wireless communication daughterboard interface and is electrically connected described USBPHY chip and described network PHY chip by described core board interface, and described programmable logic device (PLD) module is electrically connected described processor module by described core board interface.
2. LED nonsynchronous controller as claimed in claim 1, it is characterized in that, described processor module comprises arm processor.
3. LED nonsynchronous controller as claimed in claim 1, it is characterized in that, described wireless communication daughter board is also provided with mobile network's module interface, and described mobile network's module interface is electrically connected described USBPHY chip by described wireless communication daughterboard interface and described core board interface; Described mobile network's module is electrically connected described mobile network's module interface pluggablely.
4. LED nonsynchronous controller as claimed in claim 3, it is characterized in that, described mobile network's module interface is PCI-E interface, and described mobile network's module is the plate card type module with PCI-E interface.
5. LED nonsynchronous controller as claimed in claim 3, it is characterized in that, described wireless communication daughter board is also provided with SIM card interface, and described SIM card interface is electrically connected described mobile network's module interface.
6. LED nonsynchronous controller as claimed in claim 1, it is characterized in that, described antennal interface is SMA interface.
7. LED nonsynchronous controller as claimed in claim 1, it is characterized in that, described WiFi module is the double mode WiFi module with station pattern and ap mode.
8. LED nonsynchronous controller as claimed in claim 1, it is characterized in that, described base plate is also provided with wired network interface module, one-chip computer module, clock and battery module, energy supply control module, serial port module and voicefrequency circuit, described wired network interface module is electrically connected described network PHY chip by described core board interface, described one-chip computer module is electrically connected described programmable logic device (PLD) module, described clock and battery module are electrically connected described one-chip computer module, described energy supply control module is electrically connected described one-chip computer module and described core board interface, described serial port module is electrically connected described processor module by described core board interface and comprises RS232 interface and RS485 interface, described voicefrequency circuit is electrically connected described processor module by described core board interface.
9. LED nonsynchronous controller as claimed in claim 1, it is characterized in that, described base plate is USBHUB chip also, and described wireless communication daughterboard interface is sequentially electrically connected described USBPHY chip by described USBHUB chip and described core board interface.
10. LED nonsynchronous controller as claimed in claim 1, it is characterized in that, described core board, described wireless communication daughter board and described base plate spatially divide three interlayers every setting, and described core board is fixed between described base plate and described wireless communication daughter board.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105869571A (en) * 2016-06-14 2016-08-17 苏州微控智芯半导体科技有限公司 LED (Light Emitting Diode) control system
CN108847180A (en) * 2018-06-22 2018-11-20 无锡旺扬科技有限公司 A kind of circuit board for environmental monitoring LED display
CN109240169A (en) * 2018-10-23 2019-01-18 深圳市施罗德工业测控设备有限公司 A kind of power communication car owner plate and power communication vehicle
CN111445837A (en) * 2018-12-28 2020-07-24 西安诺瓦星云科技股份有限公司 Connector group, display control card, adapter plate and display screen system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105869571A (en) * 2016-06-14 2016-08-17 苏州微控智芯半导体科技有限公司 LED (Light Emitting Diode) control system
CN108847180A (en) * 2018-06-22 2018-11-20 无锡旺扬科技有限公司 A kind of circuit board for environmental monitoring LED display
CN109240169A (en) * 2018-10-23 2019-01-18 深圳市施罗德工业测控设备有限公司 A kind of power communication car owner plate and power communication vehicle
CN111445837A (en) * 2018-12-28 2020-07-24 西安诺瓦星云科技股份有限公司 Connector group, display control card, adapter plate and display screen system

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Address after: 710075 DEF101, Zero One Square, Xi'an Software Park, No. 72 Zhangbajie Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province

Patentee after: XI'AN NOVASTAR TECH Co.,Ltd.

Address before: 710075 Qinfengge D District 401, Xi'an Software Park, 68 Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province

Patentee before: Xi'an NovaStar Tech Co.,Ltd.

CP03 Change of name, title or address