CN209710113U - Intelligent multi-protocols embedded gateway and communication system - Google Patents
Intelligent multi-protocols embedded gateway and communication system Download PDFInfo
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- CN209710113U CN209710113U CN201920246595.7U CN201920246595U CN209710113U CN 209710113 U CN209710113 U CN 209710113U CN 201920246595 U CN201920246595 U CN 201920246595U CN 209710113 U CN209710113 U CN 209710113U
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- embedded gateway
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Abstract
The utility model discloses a kind of intelligent multi-protocols embedded gateways, including power module, RS485 interface module, ZigBee wireless module, 433MHZ wireless module, jtag test interface module and main control chip, the power module is connect with main control chip, the main control chip is respectively with RS485 interface module, and ZigBee wireless module, 433MHZ wireless module connects with jtag test interface module.The conversion of two kinds of protocol datas may be implemented in master chip, plays advantage of the network of two kinds of different characteristics of ZigBee and 433MHz in intelligent building well.And the gateway is provided with jtag test interface module and is convenient for carrying out hardware debugging to the gateway, ensures communication efficiency.It solves the problems, such as to wirelessly communicate trans-regional information exchange difficulty at present, provides a kind of gateway for being able to achieve multizone information exchange.
Description
Technical field
The utility model relates to a kind of gateway more particularly to a kind of intelligent multi-protocols embedded gateway and communication systems.
Background technique
Near field communication devices communication Wireless networking technologies in, ZigBee technology using more and more extensive.Based on IEEE
802.15.4 the ZigBee technology of standard is a kind of short distance, low complex degree, low cost, the two-way wireless communication skill of low-power consumption
Art.But ZigBee-network also has a weakness of its own simultaneously, and transmission rate is low, the not strong, anti-interference ability apart from short, penetration capacity
Difference, so, indoor small range of the ZigBee more suitable for office, family, classroom etc., the use of large space.However, with intelligence
Can building fast development, the information interchange between region is more and more frequent, and the exchange of information is not confined to some partial zones singly
Domain needs trans-regional information exchange.In many cases, user needs also to carry out inquiry and control in relation to node data, needs
External network is accessed by gateway, so remote access of the user to wireless sensor network need to be provided.For above
Feature needs a kind of gateway for being able to achieve multizone information exchange to be able to achieve the information exchange of multizone.
Summary of the invention
The utility model provides a kind of intelligent multi-protocols embedded gateway, it is intended to which solution wirelessly communicates trans-regional letter at present
The difficult problem of breath exchange, provides a kind of gateway for being able to achieve multizone information exchange.
To achieve the above object, the utility model provides a kind of intelligent multi-protocols embedded gateway, including power module,
RS485 interface module, ZigBee wireless module, 433MHZ wireless module, jtag test interface module and main control chip, the electricity
Source module is connect with main control chip, the main control chip respectively with RS485 interface module, ZigBee wireless module, 433MHZ without
Wire module is connected with jtag test interface module.
Compared with prior art, a kind of intelligent multi-protocols embedded gateway disclosed by the utility model, passes through setting
ZigBee wireless module remains the communication advantage of ZigBee technology, realizes the efficient communication in region.In addition it is arranged
433MHZ wireless module, using the communication of the superior 433MHz of penetrability come being in communication with each other between gateway.This reality
It is basic gateway hardware structure with novel use with ZigBee, the conversion of two kinds of protocol datas may be implemented in master chip, can
Advantage of the network of two kinds of different characteristics of ZigBee and 433MHz in intelligent building is played well, before wide application
Scape.This kind intelligence multi-protocols embedded gateway can satisfy the control requirement to area equipment, data transmission have compared with
High, more stable advantage can satisfy the requirement of most of building control systems.Main control chip uses STM32 family chip, drop
Low circuit cost and utilization efficiency have very strong practicability；Communication can be very using the design of 433MHz wireless frequency between gateway
The penetrability that data are transmitted in multiple regions is solved the problems, such as well.Meanwhile the gateway this be provided with jtag test interface module
Convenient for carrying out hardware debugging to the gateway, communication efficiency is ensured.
Detailed description of the invention
Fig. 1 is a kind of structural block diagram 1 of intelligent multi-protocols embedded gateway of the utility model；
Fig. 2 is a kind of structural block diagram of the wireless mould of ZigBee of intelligent multi-protocols embedded gateway of the utility model；
Fig. 3 is a kind of structural block diagram 2 of intelligent multi-protocols embedded gateway of the utility model；
Fig. 4 is the system block diagram using the communication network of the utility model building.
Specific embodiment
As shown in Figure 1, a kind of intelligent multi-protocols embedded gateway described in the utility model, including power module, RS485
Interface module, ZigBee wireless module, 433MHZ wireless module, jtag test interface module and main control chip, the power supply mould
Block is connect with main control chip, the main control chip respectively with RS485 interface module, ZigBee wireless module, 433MHZ is wireless mould
Block is connected with jtag test interface module.
Compared with prior art, a kind of intelligent multi-protocols embedded gateway disclosed by the utility model, passes through setting
ZigBee wireless module remains the communication advantage of ZigBee technology, realizes the efficient communication in region.In addition it is arranged
433MHZ wireless module, using the communication of the superior 433MHz of penetrability come being in communication with each other between gateway.This reality
It is basic gateway hardware structure with novel use with ZigBee, the conversion of two kinds of protocol datas may be implemented in master chip, can
Advantage of the network of two kinds of different characteristics of ZigBee and 433MHz in intelligent building is played well, before wide application
Scape.This kind intelligence multi-protocols embedded gateway can satisfy the control requirement to area equipment, data transmission have compared with
High, more stable advantage can satisfy the requirement of most of building control systems.Main control chip uses STM32 family chip, drop
Low circuit cost and utilization efficiency have very strong practicability；Communication can be very using the design of 433MHz wireless frequency between gateway
The penetrability that data are transmitted in multiple regions is solved the problems, such as well.Meanwhile the gateway this be provided with jtag test interface module
Convenient for carrying out hardware debugging to the gateway, communication efficiency is ensured.
As shown in Fig. 2, the ZigBee wireless module includes switching power circuit, power amplifier, ZigBee chip and
Signal conversion circuit, respectively with power amplifier, ZigBee chip connects the switching power circuit with signal conversion circuit.This
In one embodiment of utility model, ZigBee wireless module circuit selects MC13213 module chip to be designed.
The MC1321x series of Freescale is second generation ZigBee platform, be integrated with low-power consumption 2.4GHz RF transceiver and 8 it is micro-
In controller to the LGA package of single 9mm × 9mm.Flash memory and 4kb RAM, MC1321x of the MC13213 device with 60kb are simultaneous
The MAC for holding IEEE 802.15. 4, is used as wireless connection into complete ZigBee mesh network in simple point-to-point connection,
It is very suitable to need netted sensor and control application, the radio transceiver and microcontroller in the encapsulation of reduced dimension area
Combination makes it cost-benefit solution.
The RS485 interface module includes the transceiver logic control that RS485 interface circuit is connected with RS485 interface circuit
Circuit.The major function of RS485 interface circuit is to be converted into leading to by " transmitter " by the transmission signal TX from microprocessor
Differential signal in communication network can also be converted into being connect by microprocessor by the differential signal in communication network by " receiver "
The RX signal of receipts.Any moment, RS485 transceiver are merely able to work in one of " reception " or " transmission " both of which, therefore, must
It must be that RS485 interface circuit increase by one transmits/receives logic control circuit.In addition, due to application difference, RS485 interface electricity
The additional protection on road is also the link that necessary emphasis considers.
The RS485 interface circuit is nonpolarity interface chip.In one embodiment of the utility model, RS485 interface
Circuit selects AZRS485 chip, and a kind of nonpolarity interface of AZRS485 chip is encapsulated using standard SOP8, the detecting of interior polarized with
Decision circuitry, after the completion of internal circuit judgement (i.e. self carries out polarity correction movement), all portion is completed in the chip, does not have to
External additional hardware or software reach nonpolarity interface requirement.This electrodeless sexual function is plug and play, is applied without profession
Worker person can also any wiring, substantially increase networking efficiency.In addition, AZRS485 also provides powerful system static protection energy
Power substantially increases the communication capacity of interface.
A kind of intelligent multi-protocols embedded gateway, further includes the UART data-interface mould connecting with main control chip
Block.UART is a kind of asynchronous receiving-transmitting transmitter, usually RS-232C specification, the interface as connection external equipment.The interface
The communication that can help to realize this kind intelligent multi-protocols embedded gateway and PC machine is set.UART data interface module it is specific
Object display is independent modularization chip, or as the peripheral equipment being integrated in microprocessor.UART number in the present embodiment
It is the peripheral equipment being integrated in microprocessor according to interface module, specifically, the master of this kind intelligence multi-protocols embedded gateway
It controls chip and uses STM32F103 chip, STM32F103 series is 32 enhanced sudden strains of a muscle of the ST company based on Cortex-M3 kernel
Deposit microcontroller.The chip maximum operating frequency can reach 72MHz, the SRAM of flash memory and 64kb with 512kb, abundant
Resources on Chip enormously simplifies system hardware, while greatly reducing system power dissipation.STM32F103 family chip I/O resource is rich
Richness not only includes common string, parallel port, and also there are many bus communication interfaces, as SPI interface, RS485 interface, RS232 connect
Mouth, CAN interface etc. enhance the application range of embedded device.The superior control performance of STM32F103 and hardware abundant money
Source meets the need of work of embedded gateway, and combines and develop the operational efficiency that program improves system.
As shown in figure 4, a kind of communication system using intelligent multi-protocols embedded gateway, including PC machine, ZigBee communication
Equipment, intelligent multi-protocols embedded gateway, the PC machine are connect by RS485 interface with intelligent multi-protocols embedded gateway, institute
It states ZigBee communication equipment and passes through ZigBee-network and intelligent multi-protocols embedded gateway, the intelligence multi-protocols embedded gateway
It is connected with each other by 433MHZ wireless network.Gateway is mainly responsible for foundation and manages the ZigBee-network centered on it, entirely
Network needs main website to establish, other slave stations need the permission of main website to the ZigBee-network is added.Slave station is transmitted into main website
Net request, it is slave station allocative efficiency ID (1-100) that main website, which receives after networking is requested, and slave station completes note after receiving effective ID
Volume, communication function can be realized in main website and slave station.Slave station mainly by the data of acquisition by way of ZigBee wireless network on
Pass to embedded gateway.For the intelligence building system, its own is a dynamical system, constantly with the mutual shadow of external environment
It rings.System transmission data volume it is big, network node is more, it is desirable that low-power consumption, in this regard, this kind intelligence multi-protocols embedded gateway due to
ZigBee technology is utilized, using stelliform connection topology configuration networking, external more smart machines may be implemented.Gateway and several
Wirelessly communicate the space propagation network of ZigBee node module composition star structure.Embedded gateway is network coordinator, it leads
The foundation of wire guide network, supervises the normal operation of network, and configuration storage space realizes netinit, data acquisition, equipment control
Etc. functions.This kind intelligence multi-protocols embedded gateway main function is to lead to the data conversion of acquisition at the form of Modbus agreement
It crosses RS485 interface form and passes to PC machine, Modbus protocol data can also be converted into the data of 433MHz protocol form by gateway
It uploads in another network monitoring system and realizes the trans-regional shared of information.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the protection scope of the utility model.
Claims (6)
1. a kind of intelligence multi-protocols embedded gateway, which is characterized in that including power module, RS485 interface module, ZigBee without
Wire module, 433MHZ wireless module, jtag test interface module and main control chip, the power module are connect with main control chip,
The main control chip respectively with RS485 interface module, ZigBee wireless module, 433MHZ wireless module and jtag test interface mould
Block connection.
2. a kind of intelligent multi-protocols embedded gateway according to claim 1, which is characterized in that the wireless mould of ZigBee
Block includes switching power circuit, power amplifier, ZigBee chip and signal conversion circuit, the switching power circuit respectively with
Power amplifier, ZigBee chip are connected with signal conversion circuit.
3. a kind of intelligent multi-protocols embedded gateway according to claim 1, which is characterized in that the RS485 interface mould
Block includes the transceiver logic control circuit that RS485 interface circuit is connected with RS485 interface circuit.
4. a kind of intelligent multi-protocols embedded gateway according to claim 3, which is characterized in that the RS485 interface electricity
Road is nonpolarity interface chip.
5. a kind of intelligent multi-protocols embedded gateway according to claim 1-4, which is characterized in that further include with
The UART data interface module of main control chip connection.
6. a kind of communication system using intelligent multi-protocols embedded gateway, which is characterized in that including PC machine, ZigBee communication is set
Standby, intelligent multi-protocols embedded gateway, the PC machine is connect by RS485 interface with intelligent multi-protocols embedded gateway, described
For ZigBee communication equipment by ZigBee-network and intelligent multi-protocols embedded gateway, the intelligence multi-protocols embedded gateway is logical
Cross the interconnection of 433MHZ wireless network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920246595.7U CN209710113U (en) | 2019-02-26 | 2019-02-26 | Intelligent multi-protocols embedded gateway and communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920246595.7U CN209710113U (en) | 2019-02-26 | 2019-02-26 | Intelligent multi-protocols embedded gateway and communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209710113U true CN209710113U (en) | 2019-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920246595.7U Expired - Fee Related CN209710113U (en) | 2019-02-26 | 2019-02-26 | Intelligent multi-protocols embedded gateway and communication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209710113U (en) |
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2019
- 2019-02-26 CN CN201920246595.7U patent/CN209710113U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191129 |
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