CN105004369A - Escape environment survival index detection system - Google Patents
Escape environment survival index detection system Download PDFInfo
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- CN105004369A CN105004369A CN201510367999.8A CN201510367999A CN105004369A CN 105004369 A CN105004369 A CN 105004369A CN 201510367999 A CN201510367999 A CN 201510367999A CN 105004369 A CN105004369 A CN 105004369A
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- escape
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Abstract
The invention provides an escape environment survival index detection system. The escape environment survival index detection system comprises an acquisition module and a processing module, wherein the acquisition module is used for acquiring gas concentrations, the processing module is used for processing the gas concentrations acquired by the acquisition module, and the acquisition module is connected with the processing module; the processing module comprises a determining unit, a calculating unit and a first judging unit; the determining unit is used for determining relative indexes of gases according to an air quality index table, parts corresponding to the gas concentrations and index values; the calculating unit calculates component indexes of the gases according to a preset weight and the relative indexes, and adding various gases contained in the air according to the component indexes to obtain a comprehensive index; and the first judging unit is used for judging whether the comprehensive index is greater than a preset threshold value, if so, then determining that the escape environment is not suitable for escape, and if not, then determining that the escape environment is suitable for escape. The escape environment survival index detection system guarantees the personal safety of the evacuee, and improves the practicability of escape places.
Description
Technical field
The embodiment of the present invention relates to Environmental security detection technique field, particularly relates to a kind of escape environment Survival outcome detection system.
Background technology
In railway traffic tunnel, be provided with the refuges such as escape special flatly to be led, inclined shaft, sanctuary for waiting for rescue, when breaking out of fire, disaster, traffic hazard time, personnel can be dispersed into above-mentioned refuge and wait for rescue.Can with reference to taking refuge standard when these escape places are built.
But, the place normally provisional due to these places and for closing or hemi-closure space, cause inner air and the external world not to circulate, thus the Survival outcome such as air in escape place can exist to become and is not suitable for taking refuge or do not meet the possibility of requirement of taking refuge.Once escape personnel enters in this escape place and takes refuge, the generation of second time disaster can be caused
Because escape place and other place othernesses are comparatively large, the air ambient of escape environment also comprises index that is inflammable and explosive, poisonous, that have a strong impact on comfort level, and is different from the air quality monitoring under common atmospheric environment.Therefore, air quality detection system of the prior art is not suitable for escape environment.
Summary of the invention
The embodiment of the present invention provides a kind of escape environment Survival outcome detection system, to overcome the detection that air quality detection system in prior art is not suitable for escape ambient air quality.
The present invention escapes environment Survival outcome detection system, comprising:
For gather gas concentration acquisition module, for the treatment of the processing unit of described collecting unit gas concentration, described collecting unit connect with described processing unit;
Described processing module, comprising:
Determining unit, for the relative indices according to number corresponding to air quality index table, gas sampling concentration and described desired value determination gas;
Computing unit, calculates the component index of described gas according to the weight preset and described relative indices, and is added according to described component index and obtain aggregative index by every gas contained in air;
First judging unit, for judging whether described aggregative index is greater than the threshold value preset, if so, then determines that escape environment is not suitable for escape, if not, then determines the suitable escape of described escape environment.
Further, described processing module, also comprises:
Second judging unit, for determine the suitable escape of described escape environment at the first judging unit after, judges whether described gas concentration rate of change exceedes threshold value, if so, then determines that escape environment is not suitable for escape.
Further, described determining unit, specifically for:
According to formula
Determine the relative indices of gas, wherein, the relative indices of described I gas; C is the concentration value of gas; C
highfor in contrast table with the high-value of the gas concentration limit value of C concentration comparable; C
lowfor the low-value of gas concentration limit value close with C in contrast table; I
highfor with C
highcorresponding relative indices; I
lowfor with C
lowcorresponding relative indices.
Further, also comprise:
Alarm module, determining for receiving processing module the warning instruction sent after environment is not suitable for escaping of escaping, and reporting to the police, described alarm module is connected to described processing module.
Further, described processing module, also comprises:
Contrast unit, for by the temperature of acquisition module collection, humidity and the threshold comparison that presets, if be greater than threshold value, determines the suitable escape of escape environment, if be less than threshold value, determines that described escape environment is not suitable for escaping.
Further, also comprise:
Display module, for receive and show described processing module send gas concentration value, humidity value, temperature value.
Ambient air quality detection system of the present invention comprises collecting unit and processing unit, described collecting unit is for gathering gas concentration, described processing unit divides the relative indices according to gas concentration and air quality index table determination gas, and according to the component index of this gas of weight calculation preset, finally the every gas component index in air is added and obtains aggregative index, by the threshold value that presets compared with aggregative index, if aggregative index is greater than threshold value, then determine that current escape environment is not suitable for escape, solve the problem that in escape environment, Survival outcome detects, ensure the personal safety of escape personnel, improve the practicality in escape place simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is ambient air quality detection system structural representation of the present invention;
Fig. 2 is another structural representation of ambient air quality detection system of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is ambient air quality detection system structural representation of the present invention, and as shown in Figure 1, the present embodiment system, comprising:
For gather gas concentration acquisition module 101, for the treatment of the processing unit of described collecting unit gas concentration, described collecting unit connect with described processing module 102;
Described processing unit, comprising:
Determining unit 103, for the relative indices according to number corresponding to air quality index table, gas sampling concentration and described desired value determination gas;
Computing unit 104, calculates the component index of described gas according to the weight preset and described relative indices, and is added according to the component index of described gas and obtain aggregative index by every gas contained in air;
First judging unit 105, for judging whether described aggregative index is greater than the quality threshold preset, if so, then determines that escape environment is not suitable for escape, if not, then determines the suitable escape of described escape environment.
Further, described processing module, also comprises:
Second judging unit 108, for determine the suitable escape of described escape environment at the first judging unit after, judges whether described gas concentration rate of change exceedes threshold value, if so, then determines that escape environment is not suitable for escape.
Specifically, after the Survival outcome in this escape environment is defined as suitable escape, the second judging unit judges the rate of change of gas concentration further, if the rate of change of this gas is too fast exceed threshold value, then determines that escape environment is not suitable for escape.Illustrate, the CO concentration C collected by sensor for the 1st minute
1for 5mg/m
3, the CO concentration C collected by sensor for the 2nd minute
2for 10mg/m
3, CO rate of change is according to formula (C
2-C
1)/C
1x100%=K calculates 100%, and the threshold value presetting gas concentration rate of growth in 1 minute is 20%, now, the gas concentration rate of change of CO is greater than 20%, then think that this gas has diffusion dangerous, thus determine that this escape environment exists hidden danger, be not suitable for escape.
Further, described determining unit, specifically for:
According to formula
Determine the relative indices of gas, wherein, the relative indices of described I gas; C is the concentration value of gas; C
highfor in contrast table with the high-value of the gas concentration limit value of C concentration comparable; C
lowfor the low-value of gas concentration limit value close with C in contrast table; I
highfor with C
highcorresponding relative indices; I
lowfor with C
lowcorresponding relative indices.
Specifically, before escape personnel enters escape environment, because escape environment is only for case of emergency, most time is in be closed or this closed state, therefore, need the gas in escape environment: carbon monoxide, carbon dioxide, sulphuric dioxide, nitrogen dioxide, formaldehyde, methane, pellets etc. detect, and avoid escape personnel to enter rear because of harmful gas or lacking the reasons such as oxygen causes the secondary disaster.By in AQI algorithm calculating air, each gas is relative to the relative indices of air quality index table, illustrate, table 1 is every gas concentration index table of air quality subindex and correspondence,
Table 1
Calculate the relative indices of every gas relative to air quality by formula (1), select the carbon dioxide in air to illustrate below, the carbon dioxide concentration value C of sensor collection is 1000mg/m
3, high-value C close with 1000 in table 1
highbe 1800, low-value C
lowbe 900, with C
highcorresponding air quality index is 100, with C
lowcorresponding relative indices is 50, and the relative indices I calculating gained carbon dioxide according to formula (4) is 50.65.Similar, calculate the relative indices of other gases, suppose that the relative indices of each gas is as follows: carbon monoxide: I
1, carbon dioxide: I
2, sulphuric dioxide: I
3, nitrogen dioxide: I
4, formaldehyde: I
5, by each gas component exponential weighting summation, I
1* Q
1+ I
2* Q
2+ I
3* Q
3+ I
4* Q
4+ I
5* Q
5.aggregative index threshold value is set as 500, when the weighted sum of above-mentioned air component index is greater than 500, thinks that escape place is not suitable for escape.Wherein, the weighted value Q that each gas is corresponding is less than 1, and each gas weighted value adds and be 1, when the weighted value of a certain gas is 1, then whether exceedes threshold value for detecting this pure gas.
Further, described processing module, also comprises:
Contrast unit 109, for by the temperature of acquisition module collection, humidity and the threshold comparison that presets, if be greater than threshold value, determines the suitable escape of escape environment, if be less than threshold value, determines that described escape environment is not suitable for escaping.
Ambient air quality detection system of the present invention comprises collecting unit and processing unit, described collecting unit is for gathering gas concentration, described processing unit divides the relative indices according to gas concentration and air quality index table determination gas, and according to the component index of this gas of weight calculation preset, finally the every gas component index in air is added and obtains aggregative index, by the threshold value that presets compared with aggregative index, if aggregative index is greater than threshold value, then determine that current escape environment is not suitable for escape, solve the problem that in escape environment, Survival outcome detects, ensure the personal safety of escape personnel, improve the practicality in escape place simultaneously.
Fig. 2 is another structural representation of ambient air quality detection system of the present invention, and as described in Figure 2, the present embodiment system also comprises on the basis of system described in Fig. 1:
Alarm module 106, determining for receiving processing module the warning instruction sent after environment is not suitable for escaping of escaping, and reporting to the police, described alarm module is connected to described processing module.
Display module 107, for receive and show described processing module send gas concentration value, humidity value, temperature value, described display module is connected to processing module.
Specifically, escape environment is not suitable for the situation of escaping, sends by alarm module instruction of reporting to the police, the personnel warned under this escape environment leave this escape place; Escape environment is suitable for the situation of surviving, display module shows current gas concentration value.
Embodiment of the present invention system also comprises alarm module, thus achieve when air quality be not suitable for escape time warning escape personnel withdraw this escape place.Further ensure the personal safety of escape personnel.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (6)
1. an escape environment Survival outcome detection system, is characterized in that, comprising:
For gather gas concentration acquisition module, for the treatment of the processing unit of described collecting unit gas concentration, described collecting unit connect with described processing unit;
Described processing module, comprising:
Determining unit, for the relative indices according to number corresponding to air quality index table, gas concentration and described desired value determination gas;
Computing unit, calculates the component index of described gas according to the weight preset and described relative indices, and is added according to described component index and obtain aggregative index by every gas contained in air;
First judging unit, for judging whether described aggregative index is greater than the threshold value preset, if so, then determines that escape environment is not suitable for escape, if not, then determines the suitable escape of described escape environment.
2. system according to claim 1, is characterized in that, described processing module, also comprises:
Second judging unit, for determine the suitable escape of described escape environment at the first judging unit after, judges whether described gas concentration rate of change exceedes threshold value, if so, then determines that escape environment is not suitable for escape.
3. system according to claim 1, is characterized in that, described determining unit, specifically for:
According to formula
Determine the relative indices of gas, wherein, the relative indices of described I gas; C is the concentration value of gas; C
highfor in contrast table with the high-value of the gas concentration limit value of C concentration comparable; C
lowfor the low-value of gas concentration limit value close with C in contrast table; I
highfor with C
highcorresponding relative indices; I
lowfor with C
lowcorresponding relative indices.
4. the system according to any one of claims 1 to 3, is characterized in that, also comprises:
Alarm module, determining for receiving processing module the warning instruction sent after environment is not suitable for escaping of escaping, and reporting to the police, described alarm module is connected to described processing module.
5. the system according to any one of claims 1 to 3, is characterized in that, described processing module, also comprises:
Contrast unit, for by the temperature of acquisition module collection, humidity and the threshold comparison that presets, if be greater than threshold value, determines the suitable escape of escape environment, if be less than threshold value, determines that described escape environment is not suitable for escaping.
6. system according to claim 5, is characterized in that, also comprises:
Display module, for receive and show described processing module send gas concentration value, humidity value, temperature value.
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| CN111854829A (en) * | 2019-04-29 | 2020-10-30 | 热映光电股份有限公司 | Display method and display device for environmental comfort |
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| CN105004369B (en) | 2018-07-24 |
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