CN103149327B - High altitude environment gas automatic collection method and device - Google Patents
High altitude environment gas automatic collection method and device Download PDFInfo
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- CN103149327B CN103149327B CN201310047020.XA CN201310047020A CN103149327B CN 103149327 B CN103149327 B CN 103149327B CN 201310047020 A CN201310047020 A CN 201310047020A CN 103149327 B CN103149327 B CN 103149327B
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Abstract
Belonging to environment gas collection methods and devices, the invention relates to a high altitude environment gas automatic collection method and a device. The device consists of a gas sensor, an acceleration sensor, a detection circuit, a microprocessor, a battery, a storage circuit, a display, a USB communication circuit and a parachute. During high altitude gas collection, the device is catapulted to the sky by a high pressure launching apparatus. Under the action of the parachute, the collection device drops slowly, and ceaselessly collects gases at different altitudes in the drop process. Through the acceleration sensor, altitude information can be acquired and operation of the collection device can be controlled. At the same time, environment gas parameters of different altitudes can be acquired, and the detection parameters can be transferred to a computer to undergo management analysis. The method and the device provided in the invention are convenient for monitoring environment gases distributed at different altitudes in the space, and are suitable for gas collection analysis in the fields of security environment, carbon emission, environmental protection and the like.
Description
Technical field
The present invention relates to a kind of gas automatic acquiring method and device, especially a kind of high altitude environment gas automatic acquiring method and device being applicable to the use of high altitude environment gas collecting.
Technical background
Often needing the gas parameter gathering certain altitude in the collection of environmental gas, now need manually to gather by high-rise, but do not have the place of high-rise to gather high altitude environment gas at some, is then insoluble difficulty.In addition, people, when the regularity of distribution of research environment gas in space, often need to be grasped the environmental gas parameter of different spaces height, also lack corresponding means at present, have impact on the research of the mankind to environmental protection.
Summary of the invention
The object of the invention is to solve the weak point in prior art, the high altitude environment gas automatic acquiring method providing a kind of structure simple, convenient to use and device.
For achieving the above object, the step of high altitude environment gas automatic acquiring method of the present invention is as follows:
A. open harvester, utilize bomb injection device that harvester is launched to high-altitude, meanwhile, the timer clock of the microprocessor internal in harvester starts to clock, and acceleration transducer starts testing;
B. acceleration transducer to continue the acceleration measured value that detects by acceleration detection electronic feedback to microprocessor, when the acceleration measured value feeding back to microprocessor by the unexpected vanishing of negative value or on the occasion of time, the peak that now harvester has been in high pressure emitter and launches is described, now microprocessor starts gas sensor by Detection Circuit, releases a parachute simultaneously;
C. in harvester decline process, gas sensor and acceleration transducer control acquisition testing information by timing microprocessor, collect detection signal be sent to microprocessor respectively by Detection Circuit and acceleration detection circuit, and be stored in memory circuit by microprocessor, thus obtain the gas concentration information of corresponding differing heights;
D. when the detection signal numerical value of acceleration transducer significantly increases suddenly, microprocessor judges goes out after harvester lands, control gas sensor by Detection Circuit and stop testing, stop testing by acceleration detection control circui acceleration transducer simultaneously.
Realize the high altitude environment gas automatic acquisition device of said method, it comprises microprocessor, the output terminal of microprocessor is connected to display, memory circuit and usb communication circuit, the input end of microprocessor is connected with the output terminal of Detection Circuit with acceleration detection circuit respectively, the input end of Detection Circuit is connected with the output terminal of gas sensor, the input end of acceleration detection circuit is connected with the output terminal of acceleration transducer, whole electric routing battery is powered, harvester is located in housing, housing is provided with the parachute can opened by Microprocessor S3C44B0X.
Beneficial effect: the present invention makes harvester reach high-altitude by high ejection device, and slowly declined by parachute, gathered the gas information of differing heights by gas sensor and acceleration Chang'an flag in the process declined, and by memory circuit, information is stored, show by display, also by usb communication circuit, data copy out can be studied, the environmental gas parameter of different spaces height can be obtained, for the distribution research of high altitude environment gas creates conditions.
Accompanying drawing explanation
Fig. 1 is principle of device structural drawing of the present invention;
Fig. 2 is whereabouts, the space schematic diagram of apparatus of the present invention;
Fig. 3 is the FB(flow block) of the signal acquisition process of apparatus of the present invention;
Fig. 4 is the carbon dioxide collection of apparatus of the present invention collection and the relation schematic diagram of spatial altitude.
In figure: 1-gas sensor; 2-Detection Circuit; 3-acceleration transducer; 4-acceleration detection circuit; 5-microprocessor; 6-battery; 7-memory circuit; 8-display; 9-USB telecommunication circuit; 10-parachute.
Embodiment
Below in conjunction with accompanying drawing, one embodiment of the present of invention are further described:
High altitude environment gas automatic acquiring method of the present invention:
A. open harvester, utilize bomb injection device that harvester is launched to high-altitude, meanwhile, the timer clock of microprocessor 5 inside in harvester starts to clock, and acceleration transducer 3 starts testing;
B. acceleration transducer 3 continues the acceleration measured value detected to feed back to microprocessor 5 by acceleration detection circuit 4, when the acceleration measured value feeding back to microprocessor 5 by the unexpected vanishing of negative value or on the occasion of time, the peak that now harvester has been in high pressure emitter and launches is described, now microprocessor 5 starts gas sensor 1 by Detection Circuit 2, releases a parachute 10 simultaneously;
C. in harvester decline process, gas sensor 1 and acceleration transducer 3 are by microprocessor 5 timing controlled acquisition testing information, collect detection signal be sent to microprocessor 5 respectively by Detection Circuit 2 and acceleration detection circuit 4, and be stored in memory circuit 7 by microprocessor 5, thus obtain the gas concentration information of corresponding differing heights;
D. when the detection signal numerical value of acceleration transducer 3 significantly increases suddenly, after microprocessor 5 judges that harvester lands, control gas sensor 1 by Detection Circuit 2 and stop testing, control acceleration transducer 3 by acceleration detection circuit 4 simultaneously and stop testing.
As shown in Figure 1, high altitude environment gas automatic acquisition device of the present invention, comprise and be located at microprocessor 5 in housing, the model of described microprocessor 5 is ATMEGA16, the output terminal of microprocessor 5 is connected to display 8, memory circuit 7 and usb communication circuit 9, the input end of microprocessor 5 is connected with the output terminal of Detection Circuit 2 with acceleration detection circuit 4 respectively, the input end of Detection Circuit 2 is connected with the output terminal of gas sensor 1, the model of Detection Circuit 2 is SM-CDT, the input end of acceleration detection circuit 4 is connected with the output terminal of acceleration transducer 3, single-axis acceleration sensors, axially perpendicular to the ground, acceleration transducer 3 model is HK9101, whole electric routing battery 6 is powered, outside is provided with and controls by microprocessor 5 parachute 10 opened, gas sensor 1 is carbon dioxide sensor or other environmental gas sensor, contact with space outerpace.
As shown in Figure 2, harvester starts after being emitted to high-altitude by bomb injection device to fall, and in dropping process, slows down falling speed by parachute 10, the harvester of hanging under parachute 10 starts to gather space environment gas parameter, until till landing.
As shown in Figure 3, first harvester is launched to high-altitude, in projection uphill process, speed reduces gradually, and the measured value of acceleration transducer 3 is that the axial direction of negative value acceleration deviates from ground; When acceleration measured value by the unexpected vanishing of negative value or on the occasion of time, illustrate that harvester has arrived peak and started to decline, now microprocessor 5 starts timing controlled, is interrupted the parameter gathering acceleration and environmental gas, and the data of collection is stored.When acceleration measured value is zero, illustrates that harvester lands, then stop data acquisition, end-of-job.
Fig. 4 is the relation schematic diagram of the space carbon dioxide that gathers of the present invention and spatial altitude, harvester at the environmental gas of space acquisition, the acceleration measured value of corresponding differing heights, according to
formula s be distance, a is acceleration, t is the time, because microprocessor 5 just starts timing when starting to launch harvester, therefore be easy to according to the elevation information in the time of microprocessor 5 internal clocking and the height of acceleration measured value acquisition impelling and dropping process, the environmental gas parameter of differing heights can be obtained thus, for the distributional analysis of space environment gas provides foundation.
Claims (2)
1. a high altitude environment gas automatic acquiring method, is characterized in that: comprise the steps,
A. open harvester, utilize bomb injection device that harvester is launched to high-altitude, meanwhile, the timer clock of microprocessor (5) inside in harvester starts to clock, and acceleration transducer (3) starts testing;
B. acceleration transducer (3) continues the speed measured value detected to feed back to microprocessor (5) by acceleration detection circuit (4), when the speed measured value feeding back to microprocessor (5) by the unexpected vanishing of negative value or on the occasion of time, the peak that now harvester has been in high pressure emitter and launches is described, now microprocessor (5) starts gas sensor (1) by Detection Circuit (2), and release a parachute (10) simultaneously;
C. in harvester decline process, gas sensor (1) and acceleration transducer (3) are by microprocessor (5) timing controlled acquisition testing information, the detection signal collected is sent to microprocessor (5) respectively by Detection Circuit (2) and acceleration detection circuit (4), and be stored in memory circuit (7) by microprocessor (5), thus obtain the gas concentration information of corresponding differing heights;
D. when the detection speed signal numerical value of acceleration transducer (3) significantly increases suddenly, after microprocessor (5) judges that harvester lands, control gas sensor (1) by Detection Circuit (2) and stop testing, control acceleration transducer (3) by acceleration detection circuit (4) simultaneously and stop testing.
2. one kind realizes the high altitude environment gas automatic acquisition device of method described in claim 1, it is characterized in that: harvester comprises the microprocessor (5) be located in housing, the output terminal of microprocessor (5) is connected to display (8), memory circuit (7) and usb communication circuit (9), the input end of microprocessor (5) is connected with the output terminal of Detection Circuit (2) with acceleration detection circuit (4) respectively, the input end of Detection Circuit (2) is connected with the output terminal of gas sensor (1), the input end of acceleration detection circuit (4) is connected with the output terminal of acceleration transducer (3), whole electric routing battery (6) is powered, the outside of housing is provided with and controls by microprocessor (5) parachute (10) opened.
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| CN201310047020.XA CN103149327B (en) | 2013-02-05 | 2013-02-05 | High altitude environment gas automatic collection method and device |
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| CN201310047020.XA CN103149327B (en) | 2013-02-05 | 2013-02-05 | High altitude environment gas automatic collection method and device |
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| CN103149327A CN103149327A (en) | 2013-06-12 |
| CN103149327B true CN103149327B (en) | 2015-04-22 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106546768A (en) * | 2016-10-31 | 2017-03-29 | 陕西航天时代导航设备有限公司 | For ejection test accelerogram device under large impact |
| CN114942045A (en) * | 2022-05-31 | 2022-08-26 | 中国林业科学研究院森林生态环境与自然保护研究所 | Portable emission type distributable networking type forest and grassland fire scene factor three-dimensional sensing device |
| CN116105780B (en) * | 2023-04-07 | 2023-06-30 | 江苏巨数智能科技有限公司 | Disposable sensor with pneumatic adjustment system |
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| WO2003008923A2 (en) * | 2001-07-13 | 2003-01-30 | Inficon Gmbh | Sniffing leak detector and method for operation thereof |
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