CN204331348U - Industrial wireless sensing net on-off control system - Google Patents
Industrial wireless sensing net on-off control system Download PDFInfo
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- CN204331348U CN204331348U CN201420396292.0U CN201420396292U CN204331348U CN 204331348 U CN204331348 U CN 204331348U CN 201420396292 U CN201420396292 U CN 201420396292U CN 204331348 U CN204331348 U CN 204331348U
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Abstract
The utility model relates to a kind of industrial wireless sensing net on-off control system, it is characterized in that, comprises control terminal, monitor terminal and protective device.Control terminal is arranged near switching value equipment place, is communicated by communication with monitor terminal, for the collection of on-off model, process, transmission, forwarding and control; Monitor terminal is connected with monitoring processing enter by protective device, realizes control terminal switching value data and transmits with monitoring processing enter data, forward, and networking and data communication.Communicate between control terminal, between control terminal and monitor terminal, wireless communication distance can reach 2700m, control terminal receives the networking unpaired message that monitor terminal is sent, to realize between the On-off signal/output switch parameter between control terminal one to one, the pairing of one-to-many, many-one, multi-to-multi, build Star Network.Realize multiple stage working equipment to share and interlock, increase work efficiency, reduce wired wiring, maintenance cost and consuming time.
Description
Technical field
The utility model relates to a kind of industrial wireless sensing net on-off control system.Belong to radio communication and embedded system technology field.
Background technology
Technical of industrial control system development mainly experiences Non-follow control, semiautomatic control and intelligentized control method three phases.Manual control mode does not have Central Control Room, controls entirely by virtue of experience to operate, random large.Semiautomatic control mode terminal operating supplemental characteristic is generally transmitted by wire cable, arranges from Central Control Room it.Terminal device carries out operation automatically according to the parameter arranged, and in operation process, can carry out necessary intervention according to actual conditions, also can control operation at Central Control Room parameters or order by wire cable, or carries out controlled in wireless by loading wireless device.The intelligent method of operation mainly adopts distance control mode, and operating personnel controls in Central Control Room, sends instruction, and terminal device carries out work according to instruction.In the course of work, operating personnel can carry out monitoring and intervening at Central Control Room.If on-the-spot place is large, have multiple devices, artificial remote intervention will not easily realize, therefore, which be generally used for field apparatus little when, pseudo-ginseng tail generating as large in HDK electric power adopt in this way.Traditional Long-distance Control controls based on the wire signal transmission of PLC.Every station terminal carries out collection and the process of wire signal by the PLC of self, and processing result information is sent to Central Control Room by wire cable, and this mode easily causes cable to wear and tear year in year out, affects the stability of Signal transmissions.
For this phenomenon, utilize wireless communication technology, carry out control information transmission, be i.e. point-to-point control.Here point-to-point control adopts double-direction radio intelligent controller, the control cables of terminal device can be replaced completely, realize controlled in wireless, thus the control cables fracture solving traditional control system causes the problem having a strong impact on production, safeguard simultaneously and change conveniently, save a large amount of human and material resources and financial resources.Point-to-point control needs two pairings to use, mutual control, input state controls to the output of counterpart device, equipment has self-diagnostic function simultaneously, detects the functions such as whether counterpart device is online, fault outputting alarm, has simple, easy to use, practical, the steady performance of configuration.
Point-to-point double-direction radio intelligent controller avoids because cable bad or loose contact cause control signal Loss in wire transmission, but, also bring the shortcomings such as frequency range utilization factor is low, efficiency is not high.Industrial wireless sensing net is set up by multiple control terminal, to realize between control terminal On-off signal/output switch parameter one to one, the configuration of one-to-many, many-one, multi-to-multi, reach a control terminal, control multiple stage output device, solve the control problem that on-site terminal number of devices is many, distribution is not concentrated.
Utility model content
The purpose of this utility model is the deficiency solving prior art existence, provides a kind of industrial wireless sensing net on-off control system.Object is that just monitor terminal, control terminal set up into industrial wireless sensing net, by configuration, to build between control terminal On-off signal/output switch parameter one to one, one-to-many, many-one, multi-to-multi map, realize the interlock of control terminal, improve equipment efficiency of usage, strengthen whole network life cycle.
The technical matters that the utility model solves can realize by the following technical solutions:
A kind of industrial wireless sensing net on-off control system, comprises monitor terminal, control terminal and protective device, utilizes wireless communication technology, build industrial wireless sensing net.
Specifically, described control terminal is arranged near switching value equipment place, is communicated by communication with monitor terminal, for the collection of on-off model, process, transmission, forwarding and control;
Further, described monitor terminal is connected with monitoring processing enter by protective device, for forwarding control terminal switching value data to monitoring processing enter, and forwards monitoring processing enter data or orders control terminal, realizing networking and data communication.
Further, described industrial wireless sensing net on-off control system is made up of a monitor terminal and many motors control terminal, by star schema, builds network, realizes many motors control end message and shares and interlock.Realize control terminal configuration by monitor terminal and control, and configuration network, flexile configuration can be carried out according to actual conditions, reach utilization of resources optimum.
The data communication technology of aforesaid industrial wireless sensing net on-off control system, is characterized in that, comprise the following steps:
1) installed near switching value equipment by control terminal, the two is by being connected through a wired connection, and switching value equipment adopts low-tension supply to power, or adopts the Power supply of control terminal;
2) installed near monitoring processing enter by protective device by monitor terminal, the two is by being connected through a wired connection, and monitor terminal power supply can adopt monitoring processing enter to power or power separately;
3) control command of monitor terminal cable network reception monitoring processing enter, through process, each control terminal in mass-sending industrial wireless sensing net, sets up Star Network;
4) command information that control terminal reception monitor terminal is sent is resolved, to realize between each control terminal On-off signal/output switch parameter in industrial wireless sensing net one to one, the configuration of one-to-many, many-one, multi-to-multi, and configuration information to be preserved;
5) after monitor terminal has configured, feed back to monitor terminal by wireless transmission, configuration result is transmitted to monitoring processing enter and preserves by monitor terminal, networking success;
6) after On-off signal to control terminal, transform electrical signals is 0 or 1 digital signal by control terminal, and according to unpaired message, radios to the control terminal output switch parameter of pairing;
7) control terminal wireless receiving is resolved to the data that the control terminal transmission of pairing is next, and output control switch amount exports;
8) monitor processing enter realizes the control terminal in monitoring industry wireless sense network real-time status by monitor terminal, also can realize the unpaired message adjusting control terminal.
Advantage of the present utility model and effect: compared with prior art, the industrial wireless sensing net on-off control system that the utility model provides is realized the configuration of control terminal and control by monitor terminal.Can realize one to one, the flexible configuration of one-to-many, namely each control terminal can temporarily as main control terminal in order to control the duty of other control terminal in whole network.Avoid because of individual plants fault, causing region to work cannot complete, and ineffective systems; Also according to field condition, equipment working state can be set by monitor terminal.By networking mode, realize equipment maximize efficiency.
Accompanying drawing explanation
Fig. 1 is the control terminal figure of industrial wireless sensing net on-off control system;
Fig. 2 is the monitor terminal figure of industrial wireless sensing net on-off control system;
Fig. 3 is the network topology structure figure of industrial wireless sensing net on-off control system;
Fig. 4 is the network configuration structural representation of industrial wireless sensing net on-off control system.
Specific embodiments
Below in conjunction with embodiment, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Fig. 1 is the control terminal figure of industrial wireless sensing net on-off control system.8 way switch input quantities are made up of two 4 tunnel input quantities, are input to processing single chip by photoelectric isolating circuit, and photoelectric isolating circuit makes to realize electrical isolation between switch input quantity and processing single chip, strengthen system stability.Pilot lamp independently shows the on off operating mode of 8 input switch amounts.Wireless singlechip receives wireless signal, conversion is input to processing single chip, is also sent by the information wireless that processing single chip transmits simultaneously.Processing single chip resolves the information that wireless singlechip transports, and by result by photoelectric isolating circuit, exports control 8 way switch amount.DC-DC circuit is supplied to processing single chip, wireless singlechip, radiofrequency signal process, pilot lamp, 8 way switch input quantity working powers.
Fig. 2 is the monitor terminal figure of industrial wireless sensing net on-off control system.RS232 communication interface, RS232/485 communications interface transmission cable data are to processing single chip, and object is that in Industry Control, other module carries out wire communication, plays compatibility function.Wireless singlechip receives wireless signal, conversion is input to processing single chip, is also sent by the information wireless that processing single chip transmits simultaneously.Processing single chip resolves the wireless messages that transports of wireless singlechip, and by cable information that RS232 communication interface, RS232/485 communication interface transport.DC-DC circuit is supplied to processing single chip, wireless singlechip, radiofrequency signal process, pilot lamp working power.
Based on hub-and-spoke configuration, control terminal, monitor terminal are combined, build the network topology structure of industrial wireless sensing net on-off control system, as shown in Figure 3.Industrial wireless sensing net on-off control system adopts the layer-stepping Star Network structure of 3 layers, the ground floor (workstation) of network topology structure, comprises monitoring processing enter and monitor terminal.The second layer take workstation as the Star Network structure that core forms, and adopts control terminal as radio node.Third layer is with node a certain in the second layer for core is formed Star Network structure, adopts control terminal as radio node.Monitor terminal receives the configuration order monitored processing enter and send by RS-232 communication interface, configure accordingly, and wherein Modbus communication protocol is supported in data communication.The IO pairing order that control terminal is sent by wireless receiving monitor terminal, realizes the output channel of other control terminal of input channel Long-distance Control of control terminal.Wirelessly transmitting data frame total length is 20 bytes, comprises the frame head of 2 bytes, the data type of 1 byte, the end mark of the data field of 16 bytes and 1 byte.
Fig. 4 is the network configuration structural representation of industrial wireless sensing net on-off control system.As can be seen from Figure 4; Data Over Cable is carried out by protective device between monitoring processing enter and monitor terminal; monitor terminal and control terminal; wirelessly transmitting data is passed through between control terminal and control terminal; each control terminal can temporarily as main control terminal in order to control the duty of other wireless switching amount control terminal in whole network; and the input quantity of control terminal and the output quantity situation of pairing have diversity, alms giver will comprise step in fact:
1) installed near switching value equipment by control terminal, the two is by being connected through a wired connection, and switching value equipment adopts low-tension supply to power, or adopts the Power supply of control terminal;
2) installed near monitoring processing enter by protective device by monitor terminal, the two is by being connected through a wired connection, and monitor terminal power supply can adopt monitoring processing enter to power or power separately;
3) control command of monitor terminal cable network reception monitoring processing enter, through process, each control terminal in mass-sending industrial wireless sensing net, sets up Star Network;
4) command information that control terminal reception monitor terminal is sent is resolved, to realize between each control terminal On-off signal/output switch parameter in industrial wireless sensing net one to one, the configuration of one-to-many, many-one, multi-to-multi, and configuration information to be preserved;
5) after monitor terminal has configured, feed back to monitor terminal by wireless transmission, configuration result is transmitted to monitoring processing enter and preserves by monitor terminal, networking success;
6) after On-off signal to control terminal, transform electrical signals is 0 or 1 digital signal by control terminal, and according to unpaired message, radios to the control terminal output switch parameter of pairing;
7) control terminal wireless receiving is resolved to the data that the control terminal transmission of pairing is next, and output control switch amount exports;
8) monitor processing enter realizes the control terminal in monitoring industrial wireless sensing net real-time status by monitor terminal, also can realize the unpaired message adjusting control terminal.
9) if do not change configuration information, step 6 is repeated)-8); If change configuration information, repeat step 3)-8).
In sum, after adopting the utility model, the advantage of wireless transmission can effectively be utilized, flexible configuration, transmitting, low cost etc.Between control terminal, wireless communication distance can reach 2700m farthest, and this has boundless application prospect in places such as large-scale stacker-reclaimer sports ground, harbours.
Claims (2)
1. an industrial wireless sensing net on-off control system, is characterized in that, comprises control terminal, monitor terminal and protective device;
Control terminal: be arranged near switching value equipment place, communicated with monitor terminal by communication, for the collection of on-off model, process, transmission, forwarding and control;
Monitor terminal: be connected with monitoring processing enter by protective device, for forwarding control terminal switching value data to monitoring processing enter, and is forwarded monitoring processing enter data or orders control terminal, realizing networking and data communication.
2. industrial wireless sensing net on-off control system according to claim 1, is characterized in that:
1) installed near switching value equipment by control terminal, the two is by being connected through a wired connection, and switching value equipment adopts low-tension supply to power, or adopts the Power supply of control terminal;
2) installed near monitoring processing enter by protective device by monitor terminal, the two is by being connected through a wired connection, and monitor terminal power supply can adopt monitoring processing enter to power or power separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420396292.0U CN204331348U (en) | 2014-07-11 | 2014-07-11 | Industrial wireless sensing net on-off control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420396292.0U CN204331348U (en) | 2014-07-11 | 2014-07-11 | Industrial wireless sensing net on-off control system |
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| CN204331348U true CN204331348U (en) | 2015-05-13 |
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| CN201420396292.0U Expired - Fee Related CN204331348U (en) | 2014-07-11 | 2014-07-11 | Industrial wireless sensing net on-off control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076719A (en) * | 2014-07-11 | 2014-10-01 | 天津工业大学 | Industrial wireless sensor network on-off control system and method |
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2014
- 2014-07-11 CN CN201420396292.0U patent/CN204331348U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076719A (en) * | 2014-07-11 | 2014-10-01 | 天津工业大学 | Industrial wireless sensor network on-off control system and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20160711 |
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| CF01 | Termination of patent right due to non-payment of annual fee |