CN205594366U - Open -air sensor data collection device - Google Patents
Open -air sensor data collection device Download PDFInfo
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- CN205594366U CN205594366U CN201620238124.8U CN201620238124U CN205594366U CN 205594366 U CN205594366 U CN 205594366U CN 201620238124 U CN201620238124 U CN 201620238124U CN 205594366 U CN205594366 U CN 205594366U
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Abstract
The utility model belongs to the technical field of the data acquisition technique and specifically relates to an open -air sensor data collection device, including microprocessor, sensor module, memory module, the module that resets, clock module and power module, sensor module, memory module, the module that resets, clock module and power module are all direct to be connected with microprocessor, sensor module constitute by sensor interface subassembly, signal conversion subassembly, signal conditioning subassembly and signal acquisition subassembly, the memory be large capacity flash memory, power module provide corresponding operating voltage for whole device, including lithium cell, power conversion module and power management module. The utility model designs an use the portable open -air sensor data collection device of lithium cell power supply, adopt system on chip/SOC microprocessor, greatly improve integrated nature, the low -power consumption performance and big data storage performance of system.
Description
Technical field
This utility model relates to data acquisition technology field, especially a kind of field sensor data acquisition device.
Background technology
In the applications such as geological hydrology, soil conditions monitoring, usually need lowered in field environment works, working environment rather harsh, each observation station distribution is wider, test system, measuring instrument equipment also it is frequently necessary to move between each measuring point, and these all propose higher requirement to performance indications such as test the power supply supply of measurement system, portability, reliability, mobilitys.The test of the polymorphic type parameter in traditional field inspection work is measured and must be carried or the multiple different instrument and equipments of charity or system, thus power supply supply, transportation guarantee, system are moved etc. and to bring inconvenience, substantially increase the difficulty of field inspection work, reduce work efficiency.
But the sensor employed in these application scenarios generally individually has unified signal output area, it is most commonly that the current-output type sensor of 4 ~ 20mA and the voltage output type sensor of 0 ~ 10V.Therefore sensing data is being processed the application scenario that requirement of real-time is the highest, can use the different sensor unified sensor signal conditionings of collocation and data acquisition equipment completely, this will greatly reduce in observation mission the hsrdware requirements of instrument and equipment and the degree of dependence to safeguards such as power supply supplies.
Utility model content
This utility model provide a kind of lithium battery power supply field sensor data acquisition device, low in energy consumption, volume is little, easy to carry.
A kind of field sensor data acquisition device, including microprocessor, sensor assembly, memory module, reseting module, clock module and power module, sensor assembly, memory module, reseting module, clock module and power module are all directly connected with microprocessor；Described sensor assembly is made up of sensor interface component, signal conversion component, signal condition assembly and signals collecting assembly；Described memorizer is high capability flash memorizer；Described power module provides corresponding running voltage for whole device, including lithium battery, power transfer module and power management module.
Further, described microprocessor uses 32 interconnection type control chip STM32F107VET6.
Further, described memory module includes the SD card with mobility low-power consumption for external extension.
Further, described sensor interface includes current-output type, voltage output type two types.
Further, this utility model also includes the offline communications interface communicated with outside USB flash disk or PC outline management system.
Further, described reseting module uses IMP811 reset chip.
Further, described clock module is external oscillator, it is provided that system clock.
This utility model devises the Portable field sensor data acquisition device of application lithium battery power supply, uses SOC(system on a chip) microprocessor, and the integration of system, low power capabilities and big data storage performance are greatly improved.
Accompanying drawing explanation
Fig. 1 is composition frame chart of the present utility model.
Fig. 2 is this utility model hardware block diagram.
Fig. 3 is reset circuit figure of the present utility model.
Detailed description of the invention
With specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
A kind of field sensor data acquisition device, as shown in Figure 1, including microprocessor, sensor assembly, memory module, reseting module, clock module and power module, sensor assembly, memory module, reseting module, clock module and power module are all directly connected with microprocessor；Described sensor assembly is made up of sensor interface component, signal conversion component, signal condition assembly and signals collecting assembly；Described memorizer is high capability flash memorizer；Described power module provides corresponding running voltage for whole device, including lithium battery, power transfer module and power management module.
Native system selected parameter is the lithium battery of+27V/3000mAh, pass through power transfer module, being converted to 24V ,+12V ,+3.3V three tunnel working power, microprocessor realizes dispensing and the management of system components power supply by electric power management circuit, to realize the optimization of system power dissipation.
Microprocessor is control and the data processing core of data acquisition unit, and co-ordination and the data of being responsible for each module of terminal process and work with information retrieval；Sensor interface includes 4 ~ 20mA current-output type sensor interface and 0 ~ 10V voltage output type sensor interface；Sensor signal is converted to I/V translation circuit, the current signal that sensor exports is converted into voltage signal, it is simple to the data acquisition of rear end；Sensor signal conditioning mainly realizes the functions such as the amplitude adjusted of sensor signal, filtering, noise suppressed, impact signal amplitude limit, and signal condition is to the voltage range being suitable for data acquisition the most at last；Memory module preserves sensor acquisition data, sensor parameters, systematic parameter etc. in real time.
Described microprocessor uses 32 interconnection type control chip STM32F107VET6, this control chip peripheral hardware aboundresources, comprise different types of interconnection interface, it is possible to greatly reducing system bulk, improve level of integrated system and stability, its external connection block diagram is as shown in Figure 2.
Described memory module includes the SD card with mobility low-power consumption for external extension.
This utility model utilizes USB-OTG module on the sheet of control chip STM32F107VET6 to realize the offline communications interface communicated respectively with outside USB flash disk or PC outline management system.When communicating with USB flash disk, USB-OTG module is switched to USB-HOST pattern by microprocessor, can realize storing collection data information transfer to USB flash disk；When communicating with the data off-line system of PC, USB-OTG module is switched to USB-SLAVE pattern, can realize gathering data message and be uploaded to PC management system.
Described reseting module uses IMP811 reset chip, is possible not only to monitor 3.3V power supply, also has the hand-reset input of Key dithering, and reset circuit is as shown in Figure 3.When Vcc is less than reset threshold, RESET is confirmed as low level and keeps low level at least 140ms after reset condition stops, as long as additionally hand-reset input is low level, then RESET is just for Low level effective.
Described clock module is external oscillator, it is provided that system clock.
The above, only specific embodiment of the utility model, but protection domain of the present utility model is not limited thereto, any change expected without creative work or replacement, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims are limited.
Claims (7)
1. a field sensor data acquisition device, it is characterized in that: include microprocessor, sensor assembly, memory module, reseting module, clock module and power module, sensor assembly, memory module, reseting module, clock module and power module are all directly connected with microprocessor；Described sensor assembly is made up of sensor interface component, signal conversion component, signal condition assembly and signals collecting assembly；Described memorizer is high capability flash memorizer；Described power module provides corresponding running voltage for whole device, including lithium battery, power transfer module and power management module.
Field the most according to claim 1 sensor data acquisition device, it is characterised in that: described microprocessor uses 32 interconnection type control chip STM32F107VET6.
Field the most according to claim 1 and 2 sensor data acquisition device, it is characterised in that: described memory module includes the SD card with mobility low-power consumption for external extension.
Field the most according to claim 1 and 2 sensor data acquisition device, it is characterised in that: described sensor interface includes current-output type, voltage output type two types.
Field the most according to claim 1 and 2 sensor data acquisition device, it is characterised in that: also include the offline communications interface communicated with outside USB flash disk or PC outline management system.
Field the most according to claim 1 and 2 sensor data acquisition device, it is characterised in that: described reseting module uses IMP811 reset chip.
Field the most according to claim 1 and 2 sensor data acquisition device, it is characterised in that: described clock module is external oscillator, it is provided that system clock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620238124.8U CN205594366U (en) | 2016-03-23 | 2016-03-23 | Open -air sensor data collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620238124.8U CN205594366U (en) | 2016-03-23 | 2016-03-23 | Open -air sensor data collection device |
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| Publication Number | Publication Date |
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| CN205594366U true CN205594366U (en) | 2016-09-21 |
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| CN201620238124.8U Active CN205594366U (en) | 2016-03-23 | 2016-03-23 | Open -air sensor data collection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202612A (en) * | 2017-07-14 | 2017-09-26 | 江苏省水利科学研究院 | A kind of Intelligent field data acquisition processing system and method |
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2016
- 2016-03-23 CN CN201620238124.8U patent/CN205594366U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202612A (en) * | 2017-07-14 | 2017-09-26 | 江苏省水利科学研究院 | A kind of Intelligent field data acquisition processing system and method |
| CN107202612B (en) * | 2017-07-14 | 2023-09-22 | 江苏省水利科学研究院 | Intelligent field data acquisition and processing system and method |
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Effective date of registration: 20160930 Address after: 247000 Anhui city of Chizhou Province Economic and Technological Development Zone Jinan Electronic Industrial Park Comprehensive Service Building 9 floor Patentee after: ANHUI JS INFORMATION TECHNOLOGY CO., LTD. Patentee after: Chinese Research Academy of Environmental Sciences Address before: 247000 Anhui city of Chizhou Province Economic and Technological Development Zone Jinan Electronic Industrial Park Comprehensive Service Building 9 floor Patentee before: ANHUI JS INFORMATION TECHNOLOGY CO., LTD. |