CN103149327A

CN103149327A - High altitude environment gas automatic collection method and device

Info

Publication number: CN103149327A
Application number: CN201310047020XA
Authority: CN
Inventors: 童紫原; 童敏明; 李猛; 唐守锋
Original assignee: China University of Mining and Technology CUMT
Current assignee: China University of Mining and Technology CUMT
Priority date: 2013-02-05
Filing date: 2013-02-05
Publication date: 2013-06-12
Anticipated expiration: 2033-02-05
Also published as: CN103149327B

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

High altitude environment gas automatic acquiring method and device

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 that is applicable to the use of high altitude environment gas collecting.

Technical background

Often need to gather the gas parameter of certain altitude in the collection of environmental gas, need to manually gather this moment by high-rise, but do not have the place of high-rise to gather high altitude environment gas at some, is insoluble difficulty.In addition, people during the regularity of distribution in the space, often need to be grasped the environmental gas parameter of different spaces height at research environment gas, also lack at present corresponding means, have affected the research of the mankind to environmental protection.

Summary of the invention

The objective of the invention is to solve the weak point in prior art, a kind of high altitude environment gas automatic acquiring method and device simple in structure, convenient to use are provided.

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 the bomb injection device that harvester is launched the high-altitude, simultaneously, the timer clock of the microprocessor internal in harvester begins to clock, and acceleration transducer begins testing;

B. acceleration transducer continues the acceleration measured value that detects is fed back to microprocessor by the acceleration detection circuit, when the acceleration measured value that feeds back to microprocessor by the unexpected vanishing of negative value or on the occasion of the time, illustrate that this moment, harvester was in the peak that the high pressure emitter launches, this moment, microprocessor started gas sensor by Detection Circuit, released a parachute simultaneously;

C. in harvester decline process, gas sensor and acceleration transducer are controlled acquisition testing information by timing microprocessor, collect detection signal send to microprocessor by Detection Circuit and acceleration detection circuit respectively, and by microprocessor stores to memory circuit, thereby obtain the gas concentration information of corresponding differing heights;

D. the detection signal numerical value when acceleration transducer significantly increases suddenly, microprocessor judges goes out harvester land after, control gas sensor by Detection Circuit and stop testing, control acceleration transducer by the acceleration detection circuit simultaneously and stop testing.

realize the high altitude environment gas automatic acquisition device of said method, it comprises microprocessor, the output terminal of microprocessor is connected with respectively display, memory circuit and usb communication circuit, the input end of microprocessor is connected with the output terminal of Detection Circuit with the 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 power supply, harvester is located in housing, housing is provided with and can controls the parachute of opening by microprocessor.

Beneficial effect: the present invention makes harvester reach the high-altitude by the high ejection device, and by the parachute slow decreasing, gather the gas information of differing heights by gas sensor and acceleration Chang'an flag in the process that descends, and by memory circuit, information is stored, can show by display, also can data copy out be studied by the usb communication circuit, can obtain the environmental gas parameter of different spaces height, for the distribution of high altitude environment gas research creates conditions.

Description of drawings

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 schematic diagram that concerns of the carbon dioxide collection that gathers of apparatus of the present invention and spatial altitude.

In figure: the 1-gas sensor; The 2-Detection Circuit; The 3-acceleration transducer; 4-acceleration detection circuit; The 5-microprocessor; The 6-battery; The 7-memory circuit; The 8-display; The 9-USB telecommunication circuit; The 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 the bomb injection device that harvester is launched the high-altitude, simultaneously, the timer clock of microprocessor 5 inside in harvester begins to clock, acceleration transducer 3 beginning testings;

B. acceleration transducer 3 continues the acceleration measured value that detects is fed back to microprocessor 5 by acceleration detection circuit 4, when the acceleration measured value that feeds back to microprocessor 5 by the unexpected vanishing of negative value or on the occasion of the time, illustrate that this moment, harvester was in the peak that the high pressure emitter launches, this moment, microprocessor 5 started gas sensor 1 by Detection Circuit 2, released a parachute simultaneously 10;

C. in harvester decline process, gas sensor 1 and acceleration transducer 3 are by microprocessor 5 timing controlled acquisition testing information, collect detection signal send to microprocessor 5 by Detection Circuit 2 and acceleration detection circuit 4 respectively, and be stored in memory circuit 7 by microprocessor 5, thereby obtain the gas concentration information of corresponding differing heights;

D. the detection signal numerical value when acceleration transducer 3 significantly increases suddenly, after microprocessor 5 is judged harvester and is landed, 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 with respectively 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 models are HK9101, whole electric routing battery 6 power supplies, outside is provided with by microprocessor 5 and controls the parachute 10 of opening, gas sensor 1 is carbon dioxide sensor or other environmental gas sensor, contact with space outerpace.

As shown in Figure 2, harvester begins to fall after being emitted to the high-altitude by the bomb injection device, in dropping process, slows down falling speed by parachute 10, the harvester of hanging under parachute 10 begins to gather the space environment gas parameter, until till landing.

As shown in Figure 3, at first harvester is launched the high-altitude, in the 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 the acceleration measured value by the unexpected vanishing of negative value or on the occasion of the time, illustrate that harvester has arrived peak and begun to descend, microprocessor 5 beginning timing controlled, be interrupted the parameter that gathers acceleration and environmental gas, and the data that gather stored this moment.When the acceleration measured value is zero, illustrate that harvester lands, stop data acquisition, end-of-job.

Fig. 4 is the schematic diagram that concerns of the space carbon dioxide that gathers of the present invention and spatial altitude, and harvester is 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, just begin timing when beginning to launch harvester due to microprocessor 5, therefore be easy to obtain the height of impelling and the elevation information in dropping process according to time and the acceleration measured value of microprocessor 5 internal clockings, can obtain thus the environmental gas parameter of differing heights, for the distributional analysis of space environment gas provides foundation.

Claims

1. high altitude environment gas automatic acquiring method is characterized in that: comprises the steps,

A. open harvester, utilize the bomb injection device that harvester is launched the high-altitude, simultaneously, the inner timer clock of the microprocessor in harvester (5) begins to clock, acceleration transducer (3) beginning testing;

B. acceleration transducer (3) continues the acceleration measured value that detects is fed back to microprocessor (5) by acceleration detection circuit (4), when the acceleration measured value that feeds back to microprocessor (5) by the unexpected vanishing of negative value or on the occasion of the time, illustrate that this moment, harvester was in the peak that the high pressure emitter launches, microprocessor this moment (5) starts gas sensor (1) by Detection Circuit (2), and (10) simultaneously release a parachute;

C. in harvester decline process, gas sensor (1) and acceleration transducer (3) are by microprocessor (5) timing controlled acquisition testing information, collect detection signal send to microprocessor (5) by Detection Circuit (2) and acceleration detection circuit (4) respectively, and be stored in memory circuit (7) by microprocessor (5), thereby obtain the gas concentration information of corresponding differing heights;

D. the detection signal numerical value when acceleration transducer (3) significantly increases suddenly, after microprocessor (5) is judged harvester and is landed, 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. high altitude environment gas automatic acquisition device of realizing the described method of claim 1, it is characterized in that: harvester comprises the microprocessor (5) that is located in housing, the output terminal of microprocessor (5) is connected with respectively 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) power supply, the outside of housing is provided with by microprocessor (5) and controls the parachute (10) of opening.