CN103107824A - Wireless receiving launcher and wireless communication method - Google Patents
Wireless receiving launcher and wireless communication method Download PDFInfo
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- CN103107824A CN103107824A CN2013100143956A CN201310014395A CN103107824A CN 103107824 A CN103107824 A CN 103107824A CN 2013100143956 A CN2013100143956 A CN 2013100143956A CN 201310014395 A CN201310014395 A CN 201310014395A CN 103107824 A CN103107824 A CN 103107824A
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Abstract
The invention discloses a wireless receiving launcher and a wireless communication method. The wireless receiving launcher comprises human-computer interface transmitting/receiving power modules and programmable logic controller (PLC) transmitting/receiving power modules, wherein the human-computer interface transmitting/receiving power modules are used for human-computer interface communications and the PLC transmitting/receiving power modules are used for the communications of the PLC. The human-computer interface transmitting/receiving power modules are connected with the PLC transmitting/receiving modules through wireless signals. The wireless communication method realizes the wireless data transmission between the human-computer and the PLC and realizes flexible operations without fixed locations, so that operators can operate the human-computer interface more flexibly and debug the device more conveniently. The operators just need to take up the human-computer interface to operate at any location within the signal transmitting range. The human-computer interface does not need to be fixed on a machine, so that collisional probability of the human-computer is greatly reduced and wrong operations caused by human can be reduced. The human-computer interface can be taken out when needed and also can be stored when not needed.
Description
Technical field
The present invention relates to the signal transmission technology field, be specifically related to wireless receiving reflector and wireless communications method.
Background technology
Present existing automated system, general is all with bundle of lines PLC(Programmable Logic Controller, programmable logic controller (PLC)) be connected with man-machine interface, and be arranged on a fixed position, adopt the mode of above wired connection, dumb, especially the operation of commissioning device brought great inconvenience.
Simultaneously, present existing man-machine interface all is fixedly mounted on operating personnel and relatively holds the position that touches, and in process of production, occurs easily that man-machine interface is clashed into and the event damaged.
Further, present existing man-machine interface easily in equipment running process, is not intended to inadvertently touching, thereby has carried out misoperation, may bring personnel's injures and deaths and pecuniary loss.
Summary of the invention
The object of the invention is to disclose wireless receiving reflector and wireless communications method, the mode that has solved wired connection is dumb, man-machine interface is easily clashed into and the easy problem of misoperation.
For achieving the above object, the present invention adopts following technical scheme:
The wireless receiving reflector, comprise the man-machine interface sending/receiving power model for man-machine interface communication, also comprise the PLC sending/receiving power model for the programmable logic controller (PLC) plc communication, man-machine interface sending/receiving power model connects by wireless signal with PLC sending/receiving power model.
Further, man-machine interface sending/receiving power model is identical with the structure of PLC sending/receiving power model; Man-machine interface sending/receiving power model comprises antenna, connect the monolithic wireless transceiver chip of this antenna, connect this monolithic wireless transceiver chip the PIC single-chip microcomputer, connect the single supply level transferring chip and the port that is connected this single supply level transferring chip of this PIC single-chip microcomputer; The port of being located at man-machine interface sending/receiving power model is connected with man-machine interface; The port of being located at PLC sending/receiving power model is connected with PLC.PIC single-chip microcomputer in the present invention (Peripheral Interface Controller) is a kind of integrated circuit (IC) of controlling ancillary equipment that is used for developing, a kind of CPU with peptizaiton (multitask) function.
Further, the monolithic wireless transceiver chip is the NRF24L01 chip.The NRF24L01 chip is the monolithic wireless transceiver chip by the ISM band that is operated in 2.4GHz ~ 2.5GHz of NORDIC production.
Further, the PIC single-chip microcomputer is the PIC16F877A chip.
Further, the single supply level transferring chip is the MAX232 chip.The MAX232 chip is the single supply level transferring chip that U.S. letter (MAXIM) company aims at the design of rs-232 standard serial ports, use+5v single power supply.
The invention also discloses wireless communications method, utilize described wireless receiving reflector, realize the radio communication between man-machine interface and PLC, the method is as follows:
A, man-machine interface transmitted data signal; In man-machine interface sending/receiving power model, man-machine interface sends to the single supply level transferring chip to data by port, the single supply level transferring chip arrives this transfer of data in the PIC single-chip microcomputer, the PIC single-chip microcomputer arrives transfer of data in the monolithic wireless transceiver chip with the SPI communication pattern, the monolithic wireless transceiver chip has a less radio-frequency send mode by interior, and data are sent in the air;
B, PLC reception of data signal; In PLC sending/receiving power model, the monolithic wireless transceiver chip receives the data from the step a that sends in the air, carry out address judgement and CRC(cyclic redundancy check (CRC) code, Cyclic Redundancy Check) the correct rear save data of verification, send to the PIC single-chip microcomputer signal that receives data simultaneously; After the PIC single-chip microcomputer in PLC sending/receiving power model is received the signal of receive data, adopt the data of SPI communication pattern reading and saving in the monolithic wireless transceiver chip; The PIC single-chip microcomputer the data that read, sends in PLC by single supply level transferring chip and port afterwards;
C, PLC reply data-signal; PLC processes after receiving data in step b, then replys data to the PIC single-chip microcomputer by the single supply level transferring chip, and the flow process of replying data is opposite with the flow process of receive data in step a and step b; Circulation realizes the wireless data exchange of man-machine interface sending/receiving power model and PLC sending/receiving power model so back and forth, thereby realizes communicating by letter between man-machine interface and PLC.
Compared with prior art, beneficial effect of the present invention:
1, the present invention adopts above-mentioned wireless receiving reflector and wireless communications method, realizes that between man-machine interface and PLC, wireless data transmits, and realizes the flexible operating without the fixed position;
2, the present invention uses PIC16F877A chip 7 and MAX232 chip 8 to realize changing transmission of wireless signals into from the wire signal transfer of data, and is simple in structure;
3, the present invention makes the operator more flexible to the operation of man-machine interface, debugging for equipment greatly facilitates especially, pick up man-machine interface and want that the optional position operation gets final product in signal transmission ranges, man-machine interface need not to be fixedly mounted on board, the probability that the man-machine interface that greatly reduces is collided also can reduce artificial misoperation; Can take out when needing, can deposit man-machine interface in the time of unwanted.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, during the below will describe embodiment, the accompanying drawing of required use is done to introduce simply, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the connection diagram of the embodiment one of wireless receiving reflector in the present invention,
Fig. 2 is the structural representation of man-machine interface sending/receiving power model in Fig. 1;
In figure, the 1-man-machine interface; 2-man-machine interface sending/receiving power model; 3-PLC; 4-PLC sending/receiving power model; The 5-antenna; The 6-NRF24L01 chip; The 7-PIC16F877A chip; The 8-MAX232 chip; The 9-port.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.
The wireless receiving reflector, comprise the man-machine interface sending/receiving power model for man-machine interface communication, also comprise the PLC sending/receiving power model for the programmable logic controller (PLC) plc communication, man-machine interface sending/receiving power model connects by wireless signal with PLC sending/receiving power model.
Embodiment one
Wireless receiving reflector as shown in Fig. 1 and Fig. 2 embodiment one, comprise the man-machine interface sending/receiving power model 2 for man-machine interface 1 communication, also comprise the PLC sending/receiving power model 4 for programmable logic controller (PLC) PLC3 communication, man-machine interface sending/receiving power model 2 is connected with PLC sending/receiving power model and is connected by wireless signal.
Man-machine interface sending/receiving power model 2 is identical with the structure of PLC sending/receiving power model 4; Man-machine interface sending/receiving power model 2 comprise antenna 5, connect the NRF24L01 chip 6 of this antenna 5, connect NRF24L01 chip 6 PIC16F877A chip 7, connect the MAX232 chip 8 and the port 9 that is connected MAX232 chip 8 of PIC16F877A chip 7.The port 9 of being located at man-machine interface sending/receiving power model 2 is connected with man-machine interface; The port of being located at PLC sending/receiving power model 4 is connected with PLC3.
Other structure of wireless receiving reflector shown in embodiment one is referring to prior art.
Embodiment two
Embodiment two wireless communications methods utilize wireless receiving reflector shown in embodiment one, realize the radio communication between man-machine interface 1 and PLC3, and the method is as follows:
A, man-machine interface 1 transmitted data signal; In man-machine interface sending/receiving power model, man-machine interface 1 sends to MAX232 chip 8 to data by port 9, MAX232 chip 8 arrives this transfer of data in PIC16F877A chip 7, PIC16F877A chip 7 use SPI communication patterns arrive transfer of data in NRF24L01 chip 6, NRF24L01 chip 6 has a less radio-frequency send mode by interior, and data are sent in the air;
B, PLC3 reception of data signal; In PLC sending/receiving power model 4, the data that NRF24L01 chip 6 receives from the step a that sends in the air, carry out the correct rear save data of address judgement and cyclic redundancy check (CRC) code CRC check, send to PIC16F877A chip 7 signal that receives data simultaneously; After the PIC16F877A chip 7 in PLC sending/receiving power model 4 is received the signal of receive data, adopt the data of SPI communication pattern reading and saving in NRF24L01 chip 6; PIC16F877A chip 7 the data that read, sends in PLC3 by MAX232 chip 8 and port 9 afterwards;
C, PLC3 reply data-signal; PLC3 processes after receiving data in step b, then replys data to PIC16F877A chip 7 by MAX232 chip 8, and the flow process of replying data is opposite with the flow process of receive data in step a and step b; Circulation realizes the wireless data exchange of man-machine interface sending/receiving power model 2 and PLC sending/receiving power model 4 so back and forth, thereby realizes communicating by letter between man-machine interface 1 and PLC3.
The present invention adopts above-mentioned wireless receiving reflector and wireless communications method, realizes that man-machine interface 1 and PLC3 wireless data transmit, and realize the flexible operating without the fixed position; The present invention uses PIC16F877A chip 7 and MAX232 chip 8 to realize changing transmission of wireless signals into from the wire signal transfer of data, and is simple in structure.
The present invention is not limited to above-mentioned execution mode, if various changes of the present invention or modification are not broken away from the spirit and scope of the present invention, if within these changes and modification belonged to claim of the present invention and equivalent technologies scope, the present invention also was intended to comprise these changes and modification.
Claims (6)
1. wireless receiving reflector, it is characterized in that: comprise the man-machine interface sending/receiving power model for man-machine interface communication, also comprise the PLC sending/receiving power model for the programmable logic controller (PLC) plc communication, man-machine interface sending/receiving power model connects by wireless signal with PLC sending/receiving power model.
2. wireless receiving reflector as claimed in claim 1, it is characterized in that: man-machine interface sending/receiving power model is identical with the structure of PLC sending/receiving power model; Man-machine interface sending/receiving power model comprises antenna, connect the monolithic wireless transceiver chip of this antenna, connect this monolithic wireless transceiver chip the PIC single-chip microcomputer, connect the single supply level transferring chip and the port that is connected this single supply level transferring chip of this PIC single-chip microcomputer; The port of being located at man-machine interface sending/receiving power model is connected with man-machine interface; The port of being located at PLC sending/receiving power model is connected with PLC.
3. wireless receiving reflector as claimed in claim 2, it is characterized in that: the monolithic wireless transceiver chip is the NRF24L01 chip.
4. as wireless receiving reflector as described in claim 2 or 3, it is characterized in that: the PIC single-chip microcomputer is the PIC16F877A chip.
5. wireless receiving reflector as claimed in claim 4, it is characterized in that: the single supply level transferring chip is the MAX232 chip.
6. wireless communications method, is characterized in that, utilizes as wireless receiving reflector as described in claim 2 to 5 any one, realizes the radio communication between man-machine interface and PLC, and the method is as follows:
A, man-machine interface transmitted data signal; In man-machine interface sending/receiving power model, man-machine interface sends to the single supply level transferring chip to data by port, the single supply level transferring chip arrives this transfer of data in the PIC single-chip microcomputer, the PIC single-chip microcomputer arrives transfer of data in the monolithic wireless transceiver chip with the SPI communication pattern, the monolithic wireless transceiver chip has a less radio-frequency send mode by interior, and data are sent in the air;
B, PLC reception of data signal; In PLC sending/receiving power model, the monolithic wireless transceiver chip receives the data from the step a that sends in the air, carry out the correct rear save data of address judgement and cyclic redundancy check (CRC) code CRC check, send to the PIC single-chip microcomputer signal that receives data simultaneously; After the PIC single-chip microcomputer in PLC sending/receiving power model is received the signal of receive data, adopt the data of SPI communication pattern reading and saving in the monolithic wireless transceiver chip; The PIC single-chip microcomputer the data that read, sends in PLC by single supply level transferring chip and port afterwards;
C, PLC reply data-signal; PLC processes after receiving data in step b, then replys data to the PIC single-chip microcomputer by the single supply level transferring chip, and the flow process of replying data is opposite with the flow process of receive data in step a and step b; Circulation realizes the wireless data exchange of man-machine interface sending/receiving power model and PLC sending/receiving power model so back and forth, thereby realizes communicating by letter between man-machine interface and PLC.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103107824B (en) * | 2013-01-15 | 2015-12-09 | 深圳市岑科实业有限公司 | Wireless receiving reflector and wireless communications method |
| CN111158810A (en) * | 2019-12-16 | 2020-05-15 | 深圳市显控科技股份有限公司 | HMI human-machine interface data communication method and HMI human-machine interface |
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Address after: 518000 room 1101-1105, building 6, Hengda fashion Huigu building (East District), Fulong Road, Henglang community, Dalang street, Longhua District, Shenzhen, Guangdong Patentee after: Cenke Technology (Shenzhen) Group Co.,Ltd. Address before: 518109 Second Floor (Office) and Third Floor (Production) of Building C, Jinbolong Industrial Park, Qingquan Road, Longhua Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN CENKER ENTERPRISE Ltd. |