CN102201157A - Micropower wireless data acquisition device based on RF (radio-frequency) technology - Google Patents
Micropower wireless data acquisition device based on RF (radio-frequency) technology Download PDFInfo
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- CN102201157A CN102201157A CN2011101333145A CN201110133314A CN102201157A CN 102201157 A CN102201157 A CN 102201157A CN 2011101333145 A CN2011101333145 A CN 2011101333145A CN 201110133314 A CN201110133314 A CN 201110133314A CN 102201157 A CN102201157 A CN 102201157A
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Abstract
The invention discloses a micropower wireless data acquisition device based on an RF (radio-frequency) technology. The device comprises a data acquisition unit; an RF wireless adapter control unit is connected with the data acquisition unit; RF wireless adapter acquisition units are arranged near all sensors and carry out data interaction with the RF wireless adapter control unit by external RF wireless data transmission equipment. The invention supports the construction of a point-to-multipoint system and provides a wireless acquisition solution for data acquisition of sensors which are not suitable for adopting a wireless transmission mode in a microarea range, thereby reducing the construction cost for building a new telemetry station or lengthening cables and achieving better economic benefit; since the control unit and the acquisition unit are in sleep state at ordinary times, the power consumption is reduced; and RF communication equipment conforming to the requirements can be selected according to the distance and the landform between the control unit and the acquisition unit, thereby creating convenience for networking, improving the point-to-multipoint communication distance and widening the use range of the system.
Description
Technical field
The present invention relates to a kind of wireless collection of sensing data, relate in particular to the data acquisition device, belong to the data acquisition system (DAS) technical field.
Background technology
From the current situation of present wireless sensor data acquisition technique, have only few products to come into operation, kind is less, the point-to-point transmission close together, and price is high, and delivery cycle is long.And most of data acquisition and checkout equipment that uses mainly is based on the second generation and third generation sensor network, and system power dissipation is generally bigger than normal, can not satisfy the sensor acquisition application scenario of open-air no Alternating Current Power Supply.In the application of many data acquisitions and monitoring equipment, need will to be distributed in earlier a plurality of sensing datas in the film micro area scope and be pooled to nearby data acquisition unit, and then by SMS, GPRS or VHF network data transmission to the central station data acquisition platform.Because constructional difficulties, such as needs road crossing, bridge, device security (such as antitheft, lightning protection) and other factors are not suitable for adopting wire transmission mode.
Therefore, the RF radio-frequency technique is developed, and RF is a radio frequency, is the abbreviation of Radio Frequency, and expression can be radiated the electromagnetic frequency in space, and it is that a kind of high-frequency ac changes electromagnetic abbreviation.When wave frequency is lower than 100khz, electromagnetic wave can be absorbed by the face of land, can not form effective transmission, but when wave frequency is higher than 100khz, electromagnetic wave can be propagated in air, and, forming the long-distance transmissions ability through the ionospheric reflection of atmospheric envelope outer rim, this frequency electromagnetic waves with long-distance transmissions ability is called radio frequency.
Summary of the invention
The purpose of this invention is to provide a kind of micro power consumption wireless data harvester based on the RF radio-frequency technique, for the second generation and third generation wired sensor network insertion data acquisition unit provide a kind of low-power consumption, high reliability, system creation and maintenance cost low access way, provide a kind of technical scheme of feasible wireless collection for the sensor data acquisition that is not suitable for adopting wire transmission mode in the film micro area scope.
For solving the problems of the technologies described above, the invention provides a kind of micro power consumption wireless data harvester based on the RF radio-frequency technique, it is characterized in that, comprise
Data acquisition unit,
The non-sampling time is in the RF wireless adapter control module and the RF wireless adapter collecting unit of dormant state;
Described RF wireless adapter control module is connected with described data acquisition unit, receives the acquisition that described data acquisition unit sends,
Described RF wireless adapter collecting unit is arranged near each sensor, gathers each sensing data,
Carry out data interaction by external RF radio data-transmission equipment between described RF wireless adapter control module and the described RF wireless adapter collecting unit.
A described RF wireless adapter control module can carry out data interaction with one or more described RF wireless adapter collecting units.
A described RF wireless adapter control module can be managed a plurality of RF wireless adapter collecting units simultaneously, carries out data interaction with a plurality of described RF wireless adapter collecting units.
A described RF wireless adapter control module can be managed eight RF wireless adapter collecting units at most simultaneously, carries out data interaction with eight described RF wireless adapter collecting units.
Described RF wireless adapter collecting unit comprises SDI-12 bus, RS485 bus or analog quantity interface.
The sensing data of the described SDI-12 bus of described RF wireless adapter collecting unit timing acquiring, RS485 bus or analog quantity interface.
Described RF wireless adapter collecting unit adopts the 12V accumulator to add the solar panel power supply.
Described RF wireless adapter control module and described RF wireless adapter collecting unit carry out data acquisition according to the sampling interval of setting, and the non-sampling time is in dormant state.
Dormancy power consumption is lower than 100uA.
Described RF wireless adapter collecting unit and described RF wireless adapter control module clock are synchronous automatically.
The sampling interval of described RF wireless adapter collecting unit is identical with the interval time of measurement of described data acquisition unit, and can be provided with on request.
The beneficial effect that the present invention reached: a kind of micro power consumption wireless data harvester of the present invention based on the RF radio-frequency technique, it supports to set up point-to-multipoint system, can insert a plurality of sensors in the film micro area simultaneously in the data collection, for being not suitable for adopting the sensor data acquisition of wire transmission mode that a kind of feasible wireless collection solution is provided in the film micro area scope, reduce the construction cost of newly-built telemetry station or elongation cable (＜3000 meters), had favorable economic benefit.
The present invention has selected low energy-consumption electronic device for use, and has adopted multiple low power dissipation design, so control module and collecting unit be in dormant state at ordinary times, can carry out data acquisition according to the fixed time interval of setting, and the dormancy power consumption of the two all is lower than 100uA.Because RF wireless adapter collecting unit and RF wireless adapter control module provide a standard RS232 interface all are provided, can be according to the RF wireless data transmission of distance between control module and the collecting unit and landform selector hop communication transmission requirement, this has just brought convenience for networking, can improve point-to-point communication distance greatly, widen the usable range of system.
Description of drawings
Fig. 1 is a data acquisition device synoptic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.Following examples only are used for technical scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
Build sensor wireless data acquisition system (DAS) of the present invention by shown in Figure 1.Micro power consumption wireless data harvester based on the RF radio-frequency technique of the present invention comprises: RF wireless adapter control module 1 and RF wireless adapter collecting unit 2, all adopt low power dissipation design.
RF wireless adapter control module 1 is installed in the data acquisition unit equipment box.RF wireless adapter control module 1 is connected with data acquisition unit 3 in the data acquisition unit equipment box by the SDI-12 bus, receives the acquisition that data acquisition unit 3 sends.Data acquisition unit 3 by networks such as SMS, GPRS data transmission to the data acquisition platform of central station computer 5.
RF wireless adapter collecting unit 2 and each sensor 4 corresponding setting are installed near each sensor 4, are used to gather each sensor 4 data, have comprised SDI-12 bus, RS485 bus or analog quantity interface.Adopt the 12V accumulator to add solar panel power supply, the sensing data of timing acquiring SDI-12 bus, RS485 bus or analog quantity interface.Wireless-transmission network adopts the broadcast mode transmission, can be configured to point-to-point or point-to-multipoint system.
Carry out data interaction by external RF radio data-transmission equipment between RF wireless adapter control module 1 and the RF wireless adapter collecting unit 2.Can be according to the RF radio data-transmission equipment of distance between RF wireless adapter control module and the RF wireless adapter collecting unit and landform selector hop communication transmission requirement.A RF wireless adapter control module 1 can be managed eight RF wireless adapter collecting units 2 at most simultaneously.Be example only among the figure to have adopted three sensors 4 and three RF wireless adapter collecting units 2 corresponding with it.
Need to carry out the parameter setting after system building is good.The parameter setting of RF wireless adapter control module 1 comprises the setting of source address, destination address and sensor parameters tabulation; The parameter setting of RF wireless adapter collecting unit 2 comprises the setting of source address, destination address, sampling interval and sensor parameters tabulation, and wherein being provided with of sampling interval must be identical at interval with the measurement of data acquisition unit 3, can support 1 minute～360 minutes.After setting was finished, total system can be according to the measurement gap periods image data of data acquisition unit 3.
RF wireless adapter control module 1 and 2 non-sampling times of RF wireless adapter collecting unit are in dormant state, can carry out data acquisition according to the sampling interval of setting, and the dormancy power consumption of the two all is lower than 100uA.
RF wireless adapter collecting unit 2 can be automatically and RF wireless adapter control module 1 carry out clock synchronization, and according to the own operating bias time in system of measurement required time decision of self entrained sensor, by this time synchronized mechanism, both guaranteed the reliability of system, also make simultaneously the working time of each sensor node reduce to minimum, thereby saved power consumption.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and distortion, these improvement and distortion also should be considered as protection scope of the present invention.
Claims (10)
1. the micro power consumption wireless data harvester based on the RF radio-frequency technique is characterized in that, comprises
Data acquisition unit,
The non-sampling time is in the RF wireless adapter control module and the RF wireless adapter collecting unit of dormant state;
Described RF wireless adapter control module is connected with described data acquisition unit, receives the acquisition that described data acquisition unit sends,
Described RF wireless adapter collecting unit is arranged near each sensor, gathers each sensing data,
Carry out data interaction by external RF radio data-transmission equipment between described RF wireless adapter control module and the described RF wireless adapter collecting unit.
2. a kind of micro power consumption wireless data harvester based on the RF radio-frequency technique according to claim 1 is characterized in that, a described RF wireless adapter control module can carry out data interaction with one or more described RF wireless adapter collecting units.
3. a kind of micro power consumption wireless data harvester based on the RF radio-frequency technique according to claim 2 is characterized in that, a described RF wireless adapter control module can carry out data interaction with eight described RF wireless adapter collecting units simultaneously at most.
4. a kind of micro power consumption wireless data harvester based on the RF radio-frequency technique according to claim 1 is characterized in that described RF wireless adapter collecting unit comprises SDI-12 bus, RS485 bus or analog quantity interface.
5. a kind of micro power consumption wireless data harvester based on the RF radio-frequency technique according to claim 4 is characterized in that, the sensing data of the described SDI-12 bus of described RF wireless adapter collecting unit timing acquiring, RS485 bus or analog quantity interface.
6. a kind of micro power consumption wireless data harvester based on the RF radio-frequency technique according to claim 1 is characterized in that, described RF wireless adapter collecting unit adopts the 12V accumulator to add the solar panel power supply.
7. a kind of micro power consumption wireless data harvester based on the RF radio-frequency technique according to claim 1 is characterized in that, described RF wireless adapter control module and described RF wireless adapter collecting unit are according to the sampling interval time image data of setting.
8. a kind of micro power consumption wireless data harvester based on the RF radio-frequency technique according to claim 7 is characterized in that dormancy power consumption is lower than 100uA.
9. according to any described a kind of micro power consumption wireless data harvester in the claim 1 to 8, it is characterized in that described RF wireless adapter collecting unit and described RF wireless adapter control module clock are synchronous automatically based on the RF radio-frequency technique.
10. according to any described a kind of micro power consumption wireless data harvester in the claim 1 to 8 based on the RF radio-frequency technique, it is characterized in that the sampling interval time of described RF wireless adapter collecting unit is identical with the interval time of measurement of described data acquisition unit.
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| CN2011101333145A CN102201157A (en) | 2011-05-23 | 2011-05-23 | Micropower wireless data acquisition device based on RF (radio-frequency) technology |
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| CN2011101333145A CN102201157A (en) | 2011-05-23 | 2011-05-23 | Micropower wireless data acquisition device based on RF (radio-frequency) technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103228031A (en) * | 2013-05-02 | 2013-07-31 | 黄晓峰 | Low power consumption wireless data acquisition device |
| CN105719461A (en) * | 2016-03-10 | 2016-06-29 | 优数通（北京）科技有限公司 | Online debugging device and method of vehicle engine cooling fan |
| CN111654834A (en) * | 2020-06-04 | 2020-09-11 | 宁夏大学 | NB-IoT-based SDI12 sensor data wireless acquisition device, system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1949814A (en) * | 2006-11-20 | 2007-04-18 | 清华大学 | Domestic protection environment monitoring warning system based on wireless sensor network |
| CN201514288U (en) * | 2009-09-28 | 2010-06-23 | 泉州科力电气有限公司 | Temperature online monitoring system for switch cabinet based on ZigBee wireless network |
| CN201681479U (en) * | 2010-04-27 | 2010-12-22 | 天津科技大学 | Fishpond dissolved oxygen detection and wireless transmission system based on GSM techonology |
-
2011
- 2011-05-23 CN CN2011101333145A patent/CN102201157A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1949814A (en) * | 2006-11-20 | 2007-04-18 | 清华大学 | Domestic protection environment monitoring warning system based on wireless sensor network |
| CN201514288U (en) * | 2009-09-28 | 2010-06-23 | 泉州科力电气有限公司 | Temperature online monitoring system for switch cabinet based on ZigBee wireless network |
| CN201681479U (en) * | 2010-04-27 | 2010-12-22 | 天津科技大学 | Fishpond dissolved oxygen detection and wireless transmission system based on GSM techonology |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103228031A (en) * | 2013-05-02 | 2013-07-31 | 黄晓峰 | Low power consumption wireless data acquisition device |
| CN105719461A (en) * | 2016-03-10 | 2016-06-29 | 优数通（北京）科技有限公司 | Online debugging device and method of vehicle engine cooling fan |
| CN111654834A (en) * | 2020-06-04 | 2020-09-11 | 宁夏大学 | NB-IoT-based SDI12 sensor data wireless acquisition device, system and method |
| CN111654834B (en) * | 2020-06-04 | 2024-02-09 | 宁夏大学 | Wireless acquisition device and method for SDI12 sensor data based on NB-IoT |
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