CN203025934U - Wireless remote transmission system for industrial field instrument - Google Patents
Wireless remote transmission system for industrial field instrument Download PDFInfo
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- CN203025934U CN203025934U CN 201220536775 CN201220536775U CN203025934U CN 203025934 U CN203025934 U CN 203025934U CN 201220536775 CN201220536775 CN 201220536775 CN 201220536775 U CN201220536775 U CN 201220536775U CN 203025934 U CN203025934 U CN 203025934U
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Abstract
The utility model discloses a wireless remote transmission system for an industrial field instrument. The wireless remote transmission system consists of two parts, namely a substation and a main station, wherein a filed measurement and control element (1), an A/D (Analog to Digital) conversion module (2), a data processing module (3), a power supply module (4), a processor (5), an antenna (6) and an emitting-receiving module (7) are connected according to a circuit design to form the substation; and a main station antenna (8), an antenna receiving-emitting module (9), a storage (10), a central processor (11), a display module (12), an input module (13), a WAP/GPRS (Wireless Application Protocol/General Packet Radio Service) network module (14), a WAP/GPRS antenna (15), a main station power supply (16), a mobile communication base station (17) and a remote terminal (18) are connected according to a circuit design to form the main station. According to the wireless remote transmission system for the industrial field instrument, a digital wireless switching technique and a WAP/GPRS technique are converged, the intelligent level is improved, the processing capacity to an industrial field is strong, technical supports are provided for realizing unmanned operation in the industrial production and controlling production safety in hazardous places, and the influence of interactive interference of signals on a measuring system is reduced.
Description
Technical field
The utility model belongs to instrument observing and controlling, data transmission and switching technology, relates to industry spot instrument wireless remote transmission system, is in-site measurement, control and teledata emission, reception, processes correlative technology field.
Background technology
Conventional instrument observing and controlling, data transmission be according to cable network, because instrument signal mostly is greatly weak electric signal (such as the millivolt voltage of thermopair; 4～20mA/0 of pressure, liquid level, flow～10mA current signal, 1～5V/0～5V voltage signal), these pickup electrodes are vulnerable to space intense radiation electromagnetic interference (EMI), cause the instrument signal distortion, the serious shock wave that occurs damages electronic component, shorten the Instrument use life-span, also disturb the staff to operate and judge.Along with the industrial automatic control level improves, industrial field control becomes increasingly complex, and the signal contact point is more and more, makes the signal cable complicated layout, and it is large that signal cable connects workload.Due to site layout project situation limitation, unavoidably cause signal, power to interlock, the symbiosis serious interference.A large amount of signal cables arrange that to consume the resource consumptions such as production-goods source, particularly copper arranged in a large number large.Tie point makes its probability of failure large more, and maintenance is large, and cable is affected by environment and other factors, and the aging or transport property of cable changes and derives from many unusual faults, brings difficult in maintenance.
Summary of the invention
The purpose of this utility model is: a kind of industry spot instrument wireless remote transmission system is provided, arrange simple, the convenient installation, low-power consumption, plant maintenance is easy, uses wireless signal transmission techniques, solve the transmission of industry spot data, arrangement difficulty, reducing has production-goods source consumption, lowers resources costs and energy consumption, and performance driving economy is high.
Technical solution of the present utility model is: this instrument wireless remote transmission system is comprised of substation and main website two parts, described substation comprises site measuring and control element, A/D modular converter, data processing module, power module, processor, minute station antenna and transmitting and receiving module, and site measuring and control element, A/D modular converter, data processing module, power module, processor, antenna and transmitting and receiving module connect and compose substation according to circuit design; Described main website comprises that main website antenna, main website receive transmitter module, storer, central processing unit, display module, load module, WAP/GPRS mixed-media network modules mixed-media, WAP/GPRS antenna, main website power supply, mobile communication equipment station and remote terminal, and main website antenna, main website receive transmitter module, storer, central processing unit, display module, load module, WAP/GPRS mixed-media network modules mixed-media, WAP/GPRS antenna, main website power supply, mobile communication equipment station and remote terminal and connect and compose main website according to circuit design.
Wherein, described site measuring and control element comprises thermometer, Instrument for Pressure, tank gage, flow instrument, material level gauge, valve.
during work: site measuring and control element metrical information, be digital signal by the A/D modular converter with analog signal conversion, digital signal is carried out compression and coding by data processing module, be responsible for substation programmed control and information processing by processor, transmitting and receiving module is handled data processing module well information and is sent main website and receive the main website instruction through minute station antenna, and power module provides the energy for substation, receiving transmitter module through the main website antenna by main website receives substation information and sends the main website instruction, storer receives transmitter module with main website and sends data here and process and to store and to send, the data message that the central processing unit operand store is sent here, display module shows operational data as operating basis, load module is according to the instruction of making adjustment of display module demonstration information, central processing unit sends data to the WAP/GPRS mixed-media network modules mixed-media simultaneously, by the WAP/GPRS antenna, data are sent the mobile communication equipment station, the mobile communication equipment station sends remote terminal with data and shows that also the receiving remote terminal is sent the adjustment instruction, return to the WAP/GPRS mixed-media network modules mixed-media, send to central processing unit to process by the WAP/GPRS mixed-media network modules mixed-media again, the main website power supply provides the energy for main website.
The utlity model has with advantage:
1, measuring control point adopts the observing and controlling element to add the low-power consumption dsp chip at the scene, the dsp chip integrated level is strong, the processing controls ability is powerful, supply voltage is very low (being generally 3V following) but, power consumption mW level, meeting communication standard digital module power consumption is hundreds of milliwatt levels, realizes the transmission of in-site measurement data wireless, generally selects radio standard frequency band 220 ~ 240MHz.
2, adopt the two designs of internal battery and externally fed, digital compression is encrypted, multidigit address code distribution technique, and its transmitted data amount is large, and is noiseless between wireless data.
3, wireless transport module complex data receiver module sends data message like this, receives simultaneously main website emission inquiry message, carries out bidirectional data exchange, and data are checked error correction.
4, main website adopts and receives and transmitter module, receive the substation data and launch simultaneously inquiry message, information exchange is crossed digital cellular wireless communication system and network system exchange, communication frequency is at 900MHz, be total to the 25MHz bandwidth, carrier frequency separation 200KHz, Duplex Spacing are at 45MHz, and the information that realizes is from local area radio system and mobile network system set, data field control and remote monitoring, the two-way Permission Levels of setting operation question and answer, the increase system reduces the Internet Transmission risk at safety in network.
5, will simulate TT﹠C system and be converted to the digital radio transfer system, based on dsp chip and electronic component miniaturization technology, the development of digital encryption code communication transmitting/receiving system, WAP/GPRS technical development, reduce resource consumption, greatly reduce the Wireline erected cost, reduce the equipment failure probability, reduce and think maintenance cost.
6, use little power consumption and low voltage designs, greatly reduce energy loss, reduce operating cost.
7, use that digital compression is encrypted, the address code distribution technique, realize that in the limited frequency space data efficient transmits and receives, and makes band interference very faint.
8, use to send receive simultaneous techniques, realize the wireless data transmitted in both directions, realize data check, make data transmission security, reliability high, meet Industry Control to the data accuracy requirement.
9, data double-way transmission technology realizes long distance wireless to instrument monitoring, adjustment capability.
10, use the WAP/GPRS access technology, local area radio information and mobile information platform are merged, the expansion technique range of application realizes producing the mobile monitoring control ability, and the control ability that greatly develops skill realizes expert's remote guide.
Description of drawings
Fig. 1 is that substation forms schematic diagram.
Fig. 2 is that main website forms schematic diagram.
In figure: 1 site measuring and control element, 2A/D modular converter, 3 data processing modules, 4 power modules, 5 processors, 6 minutes station antennas, 7 transmitting and receiving modules, 8 main website antennas, 9 main websites receive transmitter module, 10 storeies, 11 central processing units, 12 display modules, 13 load modules, 14 WAP/GPRS mixed-media network modules mixed-medias, 15 WAP/GPRS antennas, 16 main website power supplys, 17 mobile communication equipment stations, 18 remote terminals.
Embodiment
As shown in Figure 1, 2, this instrument wireless remote transmission system is comprised of substation and main website two parts, described substation comprises site measuring and control element 1, A/D modular converter 2, data processing module 3, power module 4, processor 5, minute station antenna 6 and transmitting and receiving module 7, and site measuring and control element 1, A/D modular converter 2, data processing module 3, power module 4, processor 5, antenna 6 and transmitting and receiving module 7 connect and compose substation according to circuit design; Described main website comprises that main website antenna 8, main website receive transmitter module 9, storer 10, central processing unit 11, display module 12, load module 13, WAP/GPRS mixed-media network modules mixed-media 14, WAP/GPRS antenna 15, main website power supply 16, mobile communication equipment station 17 and remote terminal 18, and main website antenna 8, main website receive transmitter module 9, storer 10, central processing unit 11, display module 12, load module 13, WAP/GPRS mixed-media network modules mixed-media 14, WAP/GPRS antenna 15, main website power supply 16, mobile communication equipment station 17 and remote terminal 18 and connect and compose main website according to circuit design.
Wherein, described site measuring and control element 1 comprises thermometer, Instrument for Pressure, tank gage, flow instrument, material level gauge, valve.
during work: site measuring and control element 1 metrical information, be digital signal by A/D modular converter 2 with analog signal conversion, digital signal is carried out compression and coding by data processing module 3, be responsible for substation programmed control and information processing by processor 5, transmitting and receiving module 7 is handled data processing module 3 well information and is sent main website and receive the main website instruction through minute station antenna 6, and power module 4 provides the energy for substation, receiving transmitter module 9 through main website antenna 8 by main website receives substation information and sends the main website instruction, storer 10 receives transmitter module 9 with main website and sends data here and process and to store and to send, the data message that central processing unit 11 operand stores 10 are sent here, display module 12 shows operational data as operating basis, load module 13 is according to the instruction of making adjustment of display module 12 demonstration information, central processing unit 11 sends data to WAP/GPRS mixed-media network modules mixed-media 14 simultaneously, by WAP/GPRS antenna 15, data are sent mobile communication equipment station 17, mobile communication equipment station 17 sends remote terminal 18 with data and shows that also receiving remote terminal 18 is sent the adjustment instruction, return to WAP/GPRS mixed-media network modules mixed-media 14, send to central processing unit 11 to process by WAP/GPRS mixed-media network modules mixed-media 14 again, main website power supply 16 provides the energy for main website.
This instrumented data wireless remote transmission system has been started the new control method of blind controller system, with digital radio switching technology and WAP/GPRS technological incorporation, will greatly improve the instrument system intelligent level; Raising provides technical guarantee for realizing that commercial production is unattended with hazardous area production control safe to the industry spot processing power; Be the low-resource loss, power-saving technology is promoted and has been made the technology place mat, and reducing the signal interactive interference affects measuring system; This technology has very hi-tech ability with widespread use and industrial automatic control field, is the developing direction of following Internet of Things control technology.
Claims (2)
1. industry spot instrument wireless remote transmission system, it is characterized in that: this instrument wireless remote transmission system is comprised of substation and main website two parts, described substation comprises site measuring and control element (1), A/D modular converter (2), data processing module (3), power module (4), processor (5), divide station antenna (6) and transmitting and receiving module (7), site measuring and control element (1), A/D modular converter (2), data processing module (3), power module (4), processor (5), antenna (6) and transmitting and receiving module (7) connect and compose substation according to circuit design, described main website comprises main website antenna (8), main website receives transmitter module (9), storer (10), central processing unit (11), display module (12), load module (13), WAP/GPRS mixed-media network modules mixed-media (14), WAP/GPRS antenna (15), main website power supply (16), mobile communication equipment station (17) and remote terminal (18), main website antenna (8), main website receives transmitter module (9), storer (10), central processing unit (11), display module (12), load module (13), WAP/GPRS mixed-media network modules mixed-media (14), WAP/GPRS antenna (15), main website power supply (16), mobile communication equipment station (17) and remote terminal (18) connect and compose main website according to circuit design.
2. industry spot instrument wireless remote transmission system according to claim 1, it is characterized in that: wherein, described site measuring and control element (1) comprises thermometer, Instrument for Pressure, tank gage, flow instrument, material level gauge, valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220536775 CN203025934U (en) | 2012-10-19 | 2012-10-19 | Wireless remote transmission system for industrial field instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220536775 CN203025934U (en) | 2012-10-19 | 2012-10-19 | Wireless remote transmission system for industrial field instrument |
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| Publication Number | Publication Date |
|---|---|
| CN203025934U true CN203025934U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220536775 Expired - Fee Related CN203025934U (en) | 2012-10-19 | 2012-10-19 | Wireless remote transmission system for industrial field instrument |
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| CN (1) | CN203025934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111026061A (en) * | 2019-12-24 | 2020-04-17 | 江苏永钢集团有限公司 | Driving end control system and method based on LoRa wireless technology |
-
2012
- 2012-10-19 CN CN 201220536775 patent/CN203025934U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111026061A (en) * | 2019-12-24 | 2020-04-17 | 江苏永钢集团有限公司 | Driving end control system and method based on LoRa wireless technology |
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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: 20130626 Termination date: 20161019 |
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| CF01 | Termination of patent right due to non-payment of annual fee |