CN207518607U - A kind of telecommunication devices of expansible serial bus system - Google Patents

Abstract

The utility model discloses a kind of telecommunication devices of expansible serial bus system, including host, host side is equipped with piece and selects control line CS, piece selects control line CS lower ends to be equipped with address selection line CSA, address selection line CSA lower ends are equipped with clock line CLK, clock line CLK lower ends are equipped with upstream data line MISO, upstream data line MISO lower ends are equipped with downlink data line MOSI, downlink data line MOSI lower ends are provided with telecommunication devices, telecommunication devices side is provided with signal stabilization device, MCU master controllers are installed inside telecommunication devices, MCU master controllers side is equipped with node selection logic module, power supply is installed inside host, power supply side is equipped with long-distance radio communication module.The utility model is by being provided with extended serial bus system, and can connect multi-section telecommunication devices, realizes host and the purpose of remote service communication by outer remote communication device, extends original host system function, improves communication value.

Description

A kind of telecommunication devices of expansible serial bus system

Technical field

The utility model is related to telecommunication field, the telecommunication dress of more particularly to a kind of expansible serial bus system It puts.

Background technology

Primary processor realizes the functions such as data calculating, the storage of a certain amount of signal acquisition, data in general SCM system, But resource can not meet system requirements in these pieces in most systems, need carry out respective extension, such as RAM, EEPROM, FlashROM, A/D converter, D/A converter, LED display drivers, I/O interface chips, real-time clock, UART transceivers etc. Deng.External module generally carries out module extension using bus mode, and bus is divided into universal serial bus and parallel bus, universal serial bus phase It is pair relatively low with parallel bus data bandwidth, but bus cable negligible amounts are easily designed, are widely used in various data The fields such as storage, data acquisition, motion control.How low cost, conveniently, each function module of flexible expansion, become equipment work( The main problem of dynamic extension.

Utility model content

The technical problems to be solved in the utility model be overcome in the prior art telecommunication devices in bus system not The defects of easily extending, provides a kind of telecommunication devices of expansible serial bus system, so as to solve the above problems.

In order to solve the above-mentioned technical problem, the utility model provides following technical solution：

The utility model provides a kind of telecommunication devices of expansible serial bus system, including host, downlink data Line MOSI, piece select control line CS, address selection line CSA, clock line CLK, upstream data line MISO and telecommunication devices, host Side is equipped with piece and selects control line CS, and piece selects control line CS lower ends to be equipped with address selection line CSA, address selection line CSA lower ends Clock line CLK is installed, clock line CLK lower ends are equipped with upstream data line MISO, and upstream data line MISO lower ends are equipped with down Row data line MOSI, downlink data line MOSI lower end are provided with telecommunication devices, and telecommunication devices side is provided with signal Stabilising arrangement, MCU master controllers are equipped with inside telecommunication devices, and MCU master controllers side is equipped with node selection logic Module is equipped with power supply inside host, and power supply side is equipped with long-distance radio communication module.

As a kind of optimal technical scheme of the utility model, telecommunication devices access piece selected control system using T-shaped mode Line CS, address selection line CSA, clock line CLK, downlink data line MOSI realize main line separated time when bus is not cut off, configuration spirit It is living, facilitate installation, save the construction time.

As a kind of optimal technical scheme of the utility model, the downlink data line MOSI that host is connected is opened up using daisy chain Connection mode is flutterred, limited signal transmssion line connection multiple devices can be utilized, share same service, and there is no bus is competing It strives and obstructing problem.

As a kind of optimal technical scheme of the utility model, high-end PWM chip is installed inside signal stabilization device, drops Low hardware cost, input/output signal are more stablized.

As a kind of optimal technical scheme material of the utility model, spi bus is used between MCU master controllers and each node Access, be synchronous serial communication mode, there is multiple interfaces.

As a kind of optimal technical scheme material of the utility model, contain ICP/IP protocol stack, branch inside MCU master controllers It holds but is not limited to the Internet protocols such as HTTP, HTTPS, FTP, MQTT, independently can mutually be handed over cloud service platform, receive host and set It is standby to instruct and perform, the running of long-distance radio communication module is controlled, parses various application protocols.

The advantageous effect that the utility model is reached is：The utility model is long-range for a kind of expansible serial bus system Communication device, the universal serial bus including host, 5 cables, clock line CLK, downlink data line MOSI, upstream data line MISO, Piece selects control line CS, address selection line CSA, signal stabilization device, and host is by setting expansible universal serial bus by telecommunication Device accesses, and can connect multiple telecommunication devices simultaneously, communication type is more rich and varied, and signal stabilization, and compare biography System communication device, wiring are easier for installation.

Description of the drawings

Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality Novel embodiment for explaining the utility model, does not form the limitation to the utility model together.

In the accompanying drawings：

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the utility model host internal structure schematic diagram；

Figure label：1st, host；2nd, piece selects control line CS；3rd, address selection line CSA；4th, clock line CLK；5th, upstream data Line MISO；6th, downlink data line MOSI；7th, signal stabilization device；8th, telecommunication devices；9th, MCU master controllers；10th, node Select logic module；11st, long-distance radio communication module；12nd, power supply.

Specific embodiment

The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent Embodiment is selected to be only used for describing and explaining the present invention, is not used to limit the utility model.

In the description of the present invention, it should be noted that the instructions such as term " vertical ", " on ", " under ", " level " Orientation or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of description the utility model and simplification Description rather than instruction imply that signified device or element must have specific orientation, with specific azimuth configuration and behaviour Make, therefore it is not intended that limitation to the utility model.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, Or it is integrally connected；Can be mechanical connection or electrical connection；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be according to specific feelings Condition understands concrete meaning of the above-mentioned term in the utility model.

Embodiment：As shown in Figs. 1-2, the utility model provides a kind of telecommunication dress of expansible serial bus system It puts, control line CS2, address selection line CSA3, clock line CLK4, upstream data is selected including host 1, downlink data line MOSI6, piece Line MISO5 and telecommunication devices 8,1 side of host are equipped with piece and select control line CS2, and piece selects control line CS2 lower ends to be equipped with ground Location selection line CSA3, address selection line CSA3 lower end are equipped with clock line CLK4, and clock line CLK4 lower ends are equipped with upstream data Line MISO5, upstream data line MISO5 lower end are equipped with downlink data line MOSI6, and downlink data line MOSI6 lower ends are provided with far Journey communication device 8,8 side of telecommunication devices are provided with signal stabilization device 7, MCU are equipped with inside telecommunication devices 8 Master controller 9,9 side of MCU master controllers are equipped with node selection logic module 10, power supply 12, power supply are equipped with inside host 1 12 sides are equipped with long-distance radio communication module 11.

Telecommunication devices 8 using T-shaped mode access piece select control line CS2, address selection line CSA3, clock line CLK4, Downlink data line MOSI6 realizes main line separated time when bus is not cut off, and flexible in configuration facilitates installation, saves the construction time, main The connected downlink data line MOSI6 of machine 1 can utilize limited signal transmssion line to connect using daisy topology connection mode Multiple devices share same service, and bus contention and obstructing problem are not present, and height is equipped with inside signal stabilization device 7 PWM chips are held, reduce hardware cost, input/output signal is more stablized, used between MCU master controllers 9 and each node The access of spi bus is synchronous serial communication mode, there is multiple interfaces, and ICP/IP protocol stack is contained in 9 inside of MCU master controllers, It supports but is not limited to the Internet protocols such as HTTP, HTTPS, FTP, MQTT, independently can mutually be handed over cloud service platform, receive host Device directive simultaneously performs, and controls the running of long-distance radio communication module, parses various application protocols.

Specifically：During using the present apparatus, host 1 passes through expansible universal serial bus clock line CLK4, downlink data line first MOSI6, upstream data line MISO5, piece select control line CS2, address selection line CSA3 to send telecommunication link order, believe simultaneously Number 7 stabilization signal of stabilising arrangement, the including but not limited to information such as cloud service domain name, port, agreement.Telecommunication devices 8 are opened Begin detection mobile network's standard, signal quality, the remote Network states such as log-on message, when remote Network states meet the requirements then Start to link long-distance radio communication module 11, after long-distance radio communication module 11 is successfully accessed, be taken by ICP/IP protocol and cloud Business platform establishes data link.Host 1 can access cloud service platform, while cloud service platform can by telecommunication devices 8 To send control command to host 1, wherein data are handled via 8 unloading of telecommunication devices, and host is facilitated to access.

Finally it should be noted that：It these are only the preferred embodiment of the utility model, be not limited to this practicality It is novel, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, It still can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is carried out etc. With replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all include It is within the protection scope of the utility model.

Claims (6)

1. a kind of telecommunication devices of expansible serial bus system, which is characterized in that including host (1), downlink data line MOSI (6), piece select control line CS (2), address selection line CSA (3), clock line CLK (4), upstream data line MISO (5) and long-range Communication device (8), host (1) side are equipped with piece and select control line CS (2), and piece selects control line CS (2) lower end to be equipped with address choosing Line CSA (3) is selected, address selection line CSA (3) lower end is equipped with clock line CLK (4), and clock line CLK (4) lower end is equipped with uplink Data line MISO (5), upstream data line MISO (5) lower end are equipped with downlink data line MOSI (6), downlink data line MOSI (6) Lower end is provided with telecommunication devices (8), and telecommunication devices (8) side is provided with signal stabilization device (7), telecommunication dress It puts and MCU master controllers (9) is installed inside (8), MCU master controllers (9) side is equipped with node selection logic module (10), main Power supply (12) is installed inside machine (1), power supply (12) side is equipped with long-distance radio communication module (11).

2. the telecommunication devices of a kind of expansible serial bus system according to claim 1, which is characterized in that long-range Communication device (8) interface using T-shaped mode access piece select control line CS (2), address selection line CSA (3), clock line CLK (4), Downlink data line MOSI (6).

A kind of 3. telecommunication devices of expansible serial bus system according to claim 1, which is characterized in that host (1) connected downlink data line MOSI (6) is using daisy topology connection mode.

A kind of 4. telecommunication devices of expansible serial bus system according to claim 1, which is characterized in that signal High-end PWM chip is installed inside stabilising arrangement (7).

A kind of 5. telecommunication devices of expansible serial bus system according to claim 1, which is characterized in that MCU The access of spi bus is used between master controller (9) and each node.

A kind of 6. telecommunication devices of expansible serial bus system according to claim 1, which is characterized in that MCU Contain ICP/IP protocol stack inside master controller (9).