CN204360550U - A kind of multiprotocol conversion equipment based on ZigBee - Google Patents
A kind of multiprotocol conversion equipment based on ZigBee Download PDFInfo
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- CN204360550U CN204360550U CN201520017677.6U CN201520017677U CN204360550U CN 204360550 U CN204360550 U CN 204360550U CN 201520017677 U CN201520017677 U CN 201520017677U CN 204360550 U CN204360550 U CN 204360550U
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Abstract
The utility model discloses a kind of multiprotocol conversion equipment based on ZigBee in the communications field, comprise: ZigBee module, TCP/IP module, RS485 module, RS232 module, supply module, ZigBee module and TCP/IP modular concurrent direct-connected, TCP/IP module is connected with host computer, ZigBee module also with RS485 module, RS232 module is connected, RS232 module is connected with host computer, supply module respectively with ZigBee module, TCP/IP module, RS485 module, RS232 module is connected, the utility model realizes ZigBee module by use TCP/IP module and host computer carries out ethernet communication, improve the speed of data transmission, simultaneously, its small volume, interface circuit is less, improve the stability of Signal transmissions, can be used in radio communication.
Description
Technical field
The utility model relates to a kind of communication facilities, particularly a kind of multiprotocol conversion equipment.
Background technology
Cordless communication network is after cable network universalness at full speed, the popular communication technology of another Xiang Xin.Be applied in the communication protocol standard of sensor network various, Zigbee protocol be characterized in low complex degree, closely, self-organization, low data rate, low-power consumption, low cost, be suitable for automatically controlling and remote control field, various equipment can be embedded.In brief, ZigBee is exactly cheaply a kind of, the near radio networking mechanics of communication of low-power consumption.
Along with the field of application gets more and more, telegon may need to be sent on other equipment after receiving the data, this just may cause following problem: the employing RS485 connection mode that traditional industrial control field equipment is a large amount of, make not only field wiring many, increase cost, if need ZigBee to communicate with 485 fieldbus signals, also need the conversion carrying out signal; If need to carry out ethernet communication, telegon is Zigbee protocol, and Ethernet needs ICP/IP protocol, and the two agreement is different, cannot directly communicate; For providing the ethernet controller of Ethernet access, the overwhelming majority adopts the ethernet nic control chip designs such as CS8900, RTL8019, but often there is a lot of shortcoming with the ethernet controller of these chip designs, such as volume is comparatively large, and interface circuit is many, and communication has interference etc.
Utility model content
The purpose of this utility model is to provide a kind of multiprotocol conversion equipment based on ZigBee, and solve the interconnected and data transmission problems of different agreement equipment room, and this equipment volume is little, interface circuit is less, and stable signal transmission is reliable.
The purpose of this utility model is achieved in that a kind of multiprotocol conversion equipment based on ZigBee, comprising:
ZigBee module, for gathering the data that each network node is sent;
TCP/IP module, for realizing the ethernet communication between ZigBee module and host computer;
RS485 module, for realizing the industrial control communication of ZigBee module;
RS232 module, for realizing the direct communication between ZigBee module and host computer;
Supply module, for being ZigBee module, TCP/IP module, RS485 module, RS232 module for power supply;
Described ZigBee module and TCP/IP modular concurrent direct-connected, TCP/IP module is connected with host computer, described ZigBee module is also connected with RS485 module, RS232 module, described RS232 module is connected with host computer, and described supply module is connected with ZigBee module, TCP/IP module, RS485 module, RS232 module respectively.
During utility model works, ZigBee module is achieved by TCP/IP module carries out ethernet communication with host computer, ZigBee module gathers the data that each network node is sent, host computer is uploaded to by TCP/IP module, thus realize uploading fast of data, improve the speed of data transmission, ZigBee module also realizes telegon and Industry Control by RS485 module, the communication of the field devices such as power communication, also directly carries out communication by RS232 module and host computer simultaneously.Compared with prior art, the beneficial effects of the utility model are, the utility model realizes ZigBee module by use TCP/IP module and host computer carries out ethernet communication, improve the speed of data transmission, meanwhile, its small volume, interface circuit is less, improves the stability of Signal transmissions.The utility model can be used in radio communication.
As further restriction of the present utility model, described ZigBee module selects the radio transmitting and receiving chip JN5148 of Jennic company, the periphery of radio transmitting and receiving chip JN5148 is provided with reset circuit, and described radio transmitting and receiving chip JN5148 chip embedded in ARP agreement, IP agreement, ICMP agreement, TCP and udp protocol.Putting reset circuit by enclosing outside, ensure that the stability of circuit working.
As further restriction of the present utility model, described TCP/IP module selects CP2200 ethernet communication chip.Adopt independently ethernet control chip, ensure the stability of Signal transmissions.
As further restriction of the present utility model, described RS485 module comprises a MAX3485 serial communication chip and a RS232 interface.Different Serial Port Transmission requirements can be met, increase its range of application.
As further restriction of the present utility model, described RS232 module comprises a MAX3232 serial communication chip and a RS232 interface.Different Serial Port Transmission requirements can be met, increase its range of application.
As further restriction of the present utility model, described supply module selects AS1117_3.3 stabilized voltage supply chip, inputs 5V by outside, exports 3.3V voltage, in order to give each chip power supply.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is supply module circuit diagram of the present utility model.
Fig. 3 is ZigBee module circuit theory diagrams of the present utility model.
Fig. 4 is TCP/IP modular circuit schematic diagram of the present utility model.
Fig. 5 is that chip JN5148 of the present utility model is connected hardware block diagram with chip CP2200.
Fig. 6 is RS485 module of the present utility model and RS232 modular circuit schematic diagram.
Embodiment
A kind of multiprotocol conversion equipment based on ZigBee as shown in Figure 1, comprise: ZigBee module, TCP/IP module, RS485 module, RS232 module, supply module, ZigBee module and TCP/IP modular concurrent direct-connected, TCP/IP module is connected with host computer, and ZigBee module is also connected with RS485 module, RS232 module, RS232 module is connected with host computer, and supply module is connected with ZigBee module, TCP/IP module, RS485 module, RS232 module respectively; TCP/IP module selects CP2200 ethernet communication chip, RS485 module comprises a MAX3485 serial communication chip and a RS232 interface, RS232 module comprises a MAX3232 serial communication chip and a RS232 interface, supply module selects AS1117_3.3 stabilized voltage supply chip, 5V is inputted by outside, export 3.3V voltage, in order to give each chip power supply.
As shown in Figure 2, supply module has selected AS1117_3.3 stabilized voltage supply chip 1, and the outside 5V that adopts powers, and output voltage is 3.3V, just meets the power demands of CP2200 and JN5148.
ZigBee module hardware circuit as shown in Figure 3, comprising the reset circuit selecting MAX809 chip, ensure that circuit stability reliably working in equipment.The I/O mouth that JN5148 provides makes data bus respectively, and address bus and control bus, be specifically allocated as follows: DIO8 ~ DI015 makes data/address multiplex bus, when making data bus, signal transmits in eight data bit simultaneously, achieves parallel transmission mode, makes transmission speed fast.DIO0 mouth is done to interrupt application signal, and when this pin receives look-at-me, CPU turns execution Zigbee receive interruption service routine.DIO1, DIO2 make the gating signal of write-read respectively.
As shown in Figure 4, this independent ethernet control chip CP2200 of employing, this chip has an interrupt request singal to TCP/IP module hardware circuit, and this signal can be used for notice primary processor has interruption to occur, after any interrupt event be enabled being detected effectively.This interrupt pin allows primary processor to enter " dormancy " pattern, is waken up when receiving after packet or CP2200 are linked into network again.The hardware circuit of CP2200 periphery mainly comprises reset circuit, crystal oscillating circuit, I/O parallel interface, the connecting circuit of RJ-45 and network condition indicating circuit etc.; Selected the CP2200 chip of 48 stitch, illustrated according to pin, by unsettled for useless pin, external circuit is basic with reference to typical wiring G-Design; I/O parallel circuit is by multiplexing Intel bus mode connection line, therefore do not connect as the pin 27,28,29,33,34,37,38 of the address bus of multiplex mode is all unsettled, MUXEN connects high level, MOTEN ground connection simultaneously, guarantees that it is operated in Intel multiplex mode; External 20MHz crystal oscillator, as system clock; Address data bus port AD [0 ~ 7] as multiplex mode meets the DIO8 ~ DIO15 of JN5148, and JN5148 carries out addressing and receive sending data to CP2200 by this multiplex bus; Connect the pin DIO0 mouth of JN5148, can automatically generate a look-at-me to the DIO0 mouth of JN5148 when CP2200 has data to receive.
ZigBee module is connected block diagram as shown in Figure 5 with TCP/IP module hardware, for cutting down the number of intermediate links and reducing costs, CP2200 be directly connected with radio transmitting and receiving chip JN5148 wireless transmission and Ethernet transmit between connection, and connect through simple circuit and just can realize the ethernet communication with host computer, protocol conversion in native system gateway is realized by JN5148 chip, and the communication between JN5148 and CP2200 adopts parallel mode, improve transmission speed, in ICP/IP protocol bunch, the data transmission of Ethernet uses hardware address to identify, wherein, ARP (address resolution protocol) completes the conversion between the hardware address of IP address and data link layer use, in ZigBee-network, each node has oneself unique MAC Address, internodal communication employing 16 short addresses, this short address is by telegon dynamic assignment.For unique identification node, with reference to the ARP realization mechanism under TCP/IP agreement, achieve short address to ZigBee to the mapping of MAC Address.Be implemented as follows: when current transformer node is connected with telegon, telegon distributes short address, in telegon, now create MAC Address and the short address mapping table of ZigBee; And when telegon receives the data of current transformer node, gateway is in UDP section, add the MAC Address of this node ZigBee, such main frame can uniquely identify current transformer node according to this address, contrary with said process to the communication process of current transformer node by main frame, communicate with the TCP/IP of main frame for realizing gateway, JN5148 chip embedded in ARP agreement, IP agreement, ICMP agreement, TCP and udp protocol, in order to realize the TCP/IP communication with host computer.
RS485 module and RS232 modular circuit are as Fig. 6, serial ports devises MAX3232 and MAX3485 two kinds of chips, different Serial Port Transmission requirements can be met, these two interfaces of DB1 and DB2 both can as 232 interfaces, also can be used as 485 interfaces, when as 232 interface, welding MAX3232C chip, MAX3485 does not weld; When as 485 interface, welding MAX3485 chip, MAX3232C does not weld; Realize multiplexing like this, adapting to occasion can be wider, and RS485 module employs MAX3485 communication chip, achieves telegon and Industry Control, the field devices communications such as power communication; RS232 module employs MAX3232 communication chip, makes telegon can directly and upper machine communication.When needs use 485 communicates, ZigBee sends low TTL signal level, makes MAX3485 be in reception enable, when after the command code receiving host computer transmission, carry out CRC check, after verification is correct, MAX3485 is in transmission enabled state, and data are sent out through serial ports.When using RS232 module communication, directly can communicate with host computer with serial ports through MAX3232 chip.
The utility model is not limited to above-described embodiment; on the basis of technical scheme disclosed in the utility model; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some to some technical characteristics wherein to replace and distortion, these are replaced and are out of shape all in protection domain of the present utility model.
Claims (6)
1., based on a multiprotocol conversion equipment of ZigBee, it is characterized in that, comprising:
ZigBee module, for gathering the data that each network node is sent;
TCP/IP module, for realizing the ethernet communication between ZigBee module and host computer;
RS485 module, for realizing the industrial control communication of ZigBee module;
RS232 module, for realizing the direct communication between ZigBee module and host computer;
Supply module, for being ZigBee module, TCP/IP module, RS485 module, RS232 module for power supply;
Described ZigBee module is connected with TCP/IP module, TCP/IP module is connected with host computer, described ZigBee module is also connected with RS485 module, RS232 module, described RS232 module is connected with host computer, and described supply module is connected with ZigBee module, TCP/IP module, RS485 module, RS232 module respectively.
2. the multiprotocol conversion equipment based on ZigBee according to claim 1, it is characterized in that, described ZigBee module selects the radio transmitting and receiving chip JN5148 of Jennic company, the periphery of radio transmitting and receiving chip JN5148 is provided with reset circuit, and described radio transmitting and receiving chip JN5148 chip embedded in ARP agreement, IP agreement, ICMP agreement, TCP and udp protocol.
3. the multiprotocol conversion equipment based on ZigBee according to claim 1 and 2, is characterized in that, described TCP/IP module selects CP2200 ethernet communication chip.
4. the multiprotocol conversion equipment based on ZigBee according to claim 1 and 2, is characterized in that, described RS485 module comprises a MAX3485 serial communication chip and a RS232 interface.
5. the multiprotocol conversion equipment based on ZigBee according to claim 1 and 2, is characterized in that, described RS232 module comprises a MAX3232 serial communication chip and a RS232 interface.
6. the multiprotocol conversion equipment based on ZigBee according to claim 1 and 2, is characterized in that, described supply module selects AS1117_3.3 stabilized voltage supply chip, inputs 5V by outside, exports 3.3V voltage, in order to give each chip power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520017677.6U CN204360550U (en) | 2015-01-12 | 2015-01-12 | A kind of multiprotocol conversion equipment based on ZigBee |
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| CN201520017677.6U CN204360550U (en) | 2015-01-12 | 2015-01-12 | A kind of multiprotocol conversion equipment based on ZigBee |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109189709A (en) * | 2018-11-12 | 2019-01-11 | 郑州源创智控有限公司 | Communication transfer interface module for silo communication |
| CN114938399A (en) * | 2022-05-13 | 2022-08-23 | 恒启电子（苏州）有限公司 | Multi-protocol network conversion system and method |
-
2015
- 2015-01-12 CN CN201520017677.6U patent/CN204360550U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109189709A (en) * | 2018-11-12 | 2019-01-11 | 郑州源创智控有限公司 | Communication transfer interface module for silo communication |
| CN114938399A (en) * | 2022-05-13 | 2022-08-23 | 恒启电子（苏州）有限公司 | Multi-protocol network conversion system and method |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20180112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |