CN106931972B - Method and system for reminding escape direction of dangerous environment personnel - Google Patents
Method and system for reminding escape direction of dangerous environment personnel Download PDFInfo
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- CN106931972B CN106931972B CN201710131103.5A CN201710131103A CN106931972B CN 106931972 B CN106931972 B CN 106931972B CN 201710131103 A CN201710131103 A CN 201710131103A CN 106931972 B CN106931972 B CN 106931972B
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 231100001261 hazardous Toxicity 0.000 claims description 41
- 230000033001 locomotion Effects 0.000 claims description 21
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- 238000004458 analytical method Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 136
- 230000033764 rhythmic process Effects 0.000 description 8
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
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- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
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Abstract
The invention discloses a method for reminding escape directions of dangerous environment personnel, which comprises the following steps: step S1: acquiring the concentration of the dangerous gas in each area; step S2: judging whether the concentration of the dangerous gas is harmful to the human body, if not, returning to the step S1 to obtain the concentration of the dangerous gas in each area again, and if so, performing the step S3; step S3: judging whether the personnel moves, if not, sending a first danger alarm, and if so, performing step S4; step S4: and judging whether the moving direction of the personnel is far away from the area with dangerous gas concentration harmful to the human body, if so, giving a correct prompt, and if not, giving a second dangerous alarm. Therefore, the invention correctly guides the moving direction of the escape personnel according to the concentration of the dangerous gas in each area, thereby better protecting the escape personnel after the gas leakage accident occurs. The invention also discloses a system for reminding the escape direction of the personnel in the dangerous environment, which has the same technical effect as the method.
Description
Technical Field
The invention relates to the technical field of escape direction guidance of dangerous environment personnel, in particular to a method and a system for reminding escape direction of dangerous environment personnel.
Background
In many plants and laboratories, there are many hazardous gases due to production and development requirements. According to the related fire safety requirements, factories and test facilities build safety channels for planning escape of personnel, and corresponding safety regulations are established, so that when gas leakage occurs, the personnel escape through the corresponding channels according to corresponding regulations. However, in practice, when gas leakage occurs for some reason, the position of the leakage point cannot be determined immediately, and the concentration of the leaked gas may be different in different areas due to air flow, and when a person escapes from the leakage area, the person may pass through or mistakenly enter an area with a high concentration of the leaked gas, so that a safety hazard exists, and a safety instructor cannot guide the escape direction of the person according to the position of each evacuated person.
In summary, how to correctly guide the escape direction of a person during escape so as to better protect the person who escapes after the gas leakage accident occurs is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a method and a system for reminding a person in a dangerous environment of an escape direction, which can correctly guide the escape direction of the person during the escape of the person, thereby better protecting the person who escapes after a gas leakage accident occurs. The specific scheme is as follows:
a method for reminding escape directions of dangerous environment people comprises the following steps:
step S1: acquiring the concentration of the dangerous gas in each area;
step S2: judging whether the concentration of the dangerous gas is harmful to the human body, if not, returning to the step S1 to obtain the concentration of the dangerous gas in each area again, and if so, performing the step S3;
step S3: judging whether the personnel moves, if not, sending a first danger alarm, and if so, performing step S4;
step S4: and judging whether the moving direction of the personnel is far away from the area with dangerous gas concentration harmful to the human body, if so, giving a correct prompt, and if not, giving a second dangerous alarm.
Preferably, the acquiring the concentration of the hazardous gas in each area comprises:
collecting air in each area in real time through a gas collecting device arranged in each area in advance;
and analyzing the components of the air to obtain the concentration of the dangerous gas in the corresponding area.
Preferably, the judging whether the moving direction of the person is away from the area having the concentration of the hazardous gas harmful to the human body includes:
according to the position of the gas collecting device and the corresponding dangerous gas concentration, defining an area with dangerous gas concentration harmful to human bodies as a dangerous area;
acquiring the real-time position, the moving speed and the moving direction of the personnel;
calculating the estimated position of the personnel after the preset time according to the real-time position, the moving speed and the moving direction of the personnel;
and judging whether the estimated position is the dangerous area, if not, sending the correct prompt, and if so, sending the second danger alarm.
Preferably, the first danger warning, the correct warning, and the second danger warning each include at least one of an audible warning and a vibratory warning.
The invention also discloses a dangerous environment personnel escape direction reminding system, which comprises a gas concentration sensor, a hazard concentration judgment module, a movement direction judgment module and an alarm module, wherein:
the gas concentration sensor is used for acquiring the concentration of the dangerous gas in each area;
the hazard concentration judgment module is used for judging whether the concentration of the hazardous gas is harmful to a human body, if not, controlling the gas concentration sensor to obtain the concentration of the hazardous gas in each area again, and if so, sending a working signal to the movement judgment module;
the movement judgment module is used for judging whether the personnel moves or not, if not, the movement judgment module controls the alarm module to send out a first danger alarm, and if so, the movement judgment module sends a working signal to the movement direction judgment module;
the moving direction judging module is used for judging whether the moving direction of the personnel is away from an area with dangerous gas concentration harmful to the human body, if so, the alarm module is controlled to give a correct prompt, and if not, the alarm module is controlled to give a second dangerous alarm.
Preferably, the gas concentration sensor includes: the gas collecting device is arranged in each area in advance and used for collecting air in the area in real time; and the gas component analysis unit is used for analyzing the components of the air to obtain the concentration of the dangerous gas in the corresponding area.
Preferably, the moving direction determining module includes:
a dangerous area defining unit for defining an area having a dangerous gas concentration harmful to a human body as a dangerous area according to the position of the gas collecting device and the corresponding dangerous gas concentration;
the movement positioning unit is used for acquiring the real-time position, the moving speed and the moving direction of the personnel;
the displacement calculation unit is used for calculating the estimated position of the personnel after the preset time according to the real-time position, the moving speed and the moving direction of the personnel;
and the dangerous area judging unit is used for judging whether the estimated position is the dangerous area, if not, sending the correct prompt, and if so, sending the second dangerous alarm.
Preferably, the alarm module includes at least one of a speaker and a vibration device.
The invention discloses a method for reminding escape directions of dangerous environment personnel, which comprises the following steps: step S1: acquiring the concentration of the dangerous gas in each area; step S2: judging whether the concentration of the dangerous gas is harmful to the human body, if not, returning to the step S1 to obtain the concentration of the dangerous gas in each area again, and if so, performing the step S3; step S3: judging whether the personnel moves, if not, sending a first danger alarm, and if so, performing step S4; step S4: and judging whether the moving direction of the personnel is far away from the area with dangerous gas concentration harmful to the human body, if so, giving a correct prompt, and if not, giving a second dangerous alarm. Therefore, the invention correctly guides the moving direction of the escape personnel according to the concentration of the dangerous gas in each area, thereby better protecting the escape personnel after the gas leakage accident occurs.
The escape direction reminding system for the personnel in the dangerous environment disclosed by the invention has the same technical effects as the method, and is not repeated herein.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for reminding a person in a dangerous environment of an escape direction according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a system for reminding a person in a dangerous environment of a direction to escape, according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a method for reminding escape directions of dangerous environment personnel, which is shown in a figure 1 and comprises steps S1 to S4, wherein:
step S1: and acquiring the concentration of the dangerous gas in each area.
In some plants and laboratories, many hazardous gases are stored due to manufacturing and development requirements, wherein the hazardous gases are classified as flammable, corrosive, toxic, and explosive. The hazardous gas concentration in each area needs to be acquired because the hazardous gas is at different concentrations and has different hazardous degree.
The hazardous gas concentration can be acquired by arranging a gas sensor of the type according to the type of the stored hazardous gas, for example, a gas sensor of chlorine gas can be arranged in each area to detect the concentration of chlorine gas in each area when a certain factory stores a large amount of chlorine gas because of production needs.
In one embodiment, a method for detecting concentrations of hazardous gases is provided, comprising: collecting air in each area in real time through a gas collecting device arranged in each area in advance; and analyzing the components of the air to obtain the concentration of the dangerous gas in the corresponding area. Adopt this scheme, can be after dangerous gas leakage accident takes place, carry out the analysis to multiple gas, it is more comprehensive than the single gas sensor that sets up to the dangerous gas who stores. For example, when a dangerous gas which is easy to burn leaks, the dangerous gas reacts with other chemicals in the burning process to generate another toxic gas which is harmful to the human body, and at the moment, the air collected by the gas collecting device contains a plurality of gases which are harmful to the human body, so that the detection can be carried out more comprehensively.
Step S2: and judging whether the dangerous gas concentration is harmful to human bodies, if not, returning to the step S1 to obtain the dangerous gas concentration in each area again, and if so, performing the step S3.
It is understood that, when a plurality of hazardous gases are monitored, different hazardous gases have different levels of harm to human bodies at different concentrations, and therefore, it is necessary to make a judgment on the concentrations of the hazardous gases obtained in step S1. If all the dangerous gases do not reach the concentration harmful to the human body, the method returns to the step S1 to continuously obtain the dangerous gas concentration, and if any dangerous gas concentration is harmful to the human body, the method goes to the step S3.
Step S3: it is determined whether the person is moving, and if not, a first danger alarm is issued, and if so, step S4 is performed.
Some of the leaked gas is colorless and odorless, and a person may not take an escape action because he is unaware of the presence of the dangerous gas, thereby alerting the person. The first danger warning may be a voice, a specific sound, or a vibration device that transmits a specific frequency vibration.
Step S4: and judging whether the moving direction of the personnel is far away from the area with dangerous gas concentration harmful to the human body, if so, giving a correct prompt, and if not, giving a second dangerous alarm.
When people escape, people cannot select the correct direction due to scaring, and the concentration of dangerous gas in the escape direction is harmful to human bodies, so that the moving direction of people needs to be prompted.
In yet another specific embodiment, the step of assisting the person in escaping comprises steps S41 to S43, wherein:
step S41: and defining an area with dangerous gas concentration harmful to human bodies as a dangerous area according to the position of the gas collecting device and the corresponding dangerous gas concentration.
The gas collecting devices are distributed in each area of a factory, a research institute or the like, and each gas collecting device collects gas in the area, so that the concentration of hazardous gas obtained by the gas collecting device corresponds to the area where the gas collecting device is located, and the area where the gas collecting device that detects the concentration of hazardous gas harmful to a human body is located is defined as a hazardous area.
Step S42: and acquiring the real-time position, the moving speed and the moving direction of the personnel.
The escape personnel are positioned, and the moving speed and the moving direction of the personnel are obtained. The specific way to acquire the information may be to let the person wear the positioning device in advance, or to preset a camera or an infrared sensor in each area.
Step S43: and calculating the estimated position of the personnel after the preset time according to the real-time position, the moving speed and the moving direction of the personnel.
Estimating the escape route of the personnel according to the real-time position, the moving speed and the moving direction of the personnel, determining the starting point of the personnel according to the real-time position, multiplying the moving speed by the preset time to obtain the estimated displacement of the personnel, and then obtaining the estimated position of the personnel according to the moving direction. Since the situation is critical after the gas leakage accident occurs, the preset time should not be too long, and different preset times can be set according to different areas. For example, the moving direction of the person moving in the stairwell may change faster than the moving direction moving in the open space, and thus the preset time corresponding to the stairwell should be less than the preset time corresponding to the open space.
Step S44: and judging whether the estimated position is the dangerous area, if not, sending the correct prompt, and if so, sending the second danger alarm.
And (4) performing superposition judgment on the estimated position of the person obtained in the step (S43) and the dangerous area defined in the step (S41), if the estimated position of the person is in the dangerous area, sending a second dangerous alarm to the person, and if the estimated position of the person is in the safe position, sending a correct prompt indicating that the moving direction of the person is correct. The second danger warning and the correct prompt may be a voice, a specific sound sent through a speaker, or a vibration of a specific frequency sent through a vibration device.
It can be understood that, when the escape routes of the persons are all dangerous areas, an escape route passing through the dangerous area with the minimum concentration of the dangerous gas can be determined for the person according to the concentration of the dangerous gas in each dangerous area, and the escape direction of the person is prompted according to the escape route.
It can be understood that the first danger alarm, the correct prompt and the second danger alarm in the present invention are all sent according to the personal escape condition of the person, so that the personal device capable of implementing the method can be worn by the person in advance by specifically arranging a corresponding alarm module on the person, for example, arranging a speaker or a vibration module on each person work clothes, establishing a connection with the mobile phone of each person in advance by the system and implementing the connection through the speaker or the vibrator of the mobile phone.
It should be noted that, if the first danger alarm, the correct prompt, and the second danger alarm are all voice prompts, the voice notifying the person to escape, the voice notifying the person of correct escaping direction, and the voice notifying the person of wrong escaping direction are sequentially provided. Of course, the speech may or may not be replaced by sounds of different pitch or tempo. For example, the first hazard warning, the correct alert, and the second hazard warning are sequentially a continuous high pitch warning, a slow rhythm spaced low pitch warning, and a fast rhythm spaced high pitch warning. Of course, the first hazard warning, the correct prompt, and the second hazard warning may also be a combined voice and sound prompt.
It should be further noted that, if the first danger alarm, the correct alarm and the second danger alarm are all vibration alarms, different vibration frequencies and vibration intervals can be set to distinguish them. For example, the first hazard warning, the correct reminder, and the second hazard warning are sequentially a continuous high frequency warning, a slow rhythm spaced low frequency vibration, and a fast rhythm spaced high frequency vibration. Of course, vibration, voice, and sound may be used to distinguish between the first hazard warning, the correct prompt, and the second hazard warning.
The invention also discloses a system for reminding the escape direction of the personnel in the dangerous environment, which is shown in figure 2 and comprises a gas concentration sensor 11, a hazard concentration judgment module 12, a movement judgment module 13, a movement direction judgment module 14 and an alarm module 15, wherein:
the gas concentration sensor 11 is used to acquire the concentration of the hazardous gas in each area.
In some plants and laboratories, many hazardous gases are stored due to manufacturing and development requirements, wherein the hazardous gases are classified as flammable, corrosive, toxic, and explosive. The hazardous gas concentration in each area needs to be acquired because the hazardous gas is at different concentrations and has different hazardous degree.
The hazardous gas concentration can be acquired by arranging a gas sensor of the type according to the type of the stored hazardous gas, for example, a gas sensor of chlorine gas can be arranged in each area to detect the concentration of chlorine gas in each area when a certain factory stores a large amount of chlorine gas because of production needs.
In a specific embodiment, a gas concentration sensor 11 capable of detecting concentrations of hazardous gases is provided, which specifically comprises: the gas collecting device is arranged in each area in advance and used for collecting air in the area in real time; and the gas component analysis unit is used for analyzing the components of the air to obtain the concentration of the dangerous gas in the corresponding area.
Adopt this scheme, can be after dangerous gas leakage accident takes place, carry out the analysis to multiple gas, it is more comprehensive than the single gas sensor that sets up to the dangerous gas who stores. For example, when a combustible hazardous gas leaks, the hazardous gas reacts with other chemicals in the combustion process to generate another toxic gas harmful to the human body, at this time, the air collected by the gas collecting device contains a plurality of gases harmful to the human body, and the gas component analyzing unit can perform detection and analysis more comprehensively.
The hazardous concentration judgment module 12 is configured to judge whether the hazardous gas concentration is hazardous to a human body, if not, control the gas concentration sensor to obtain the hazardous gas concentration in each area again, and if so, send a working signal to the movement judgment module.
It can be understood that, when a plurality of dangerous gases are monitored, different dangerous gases have different degrees of harm to human bodies at different concentrations, and therefore, it is necessary to determine the concentrations of the dangerous gases acquired by the gas concentration sensor 11. If all dangerous gases do not reach the concentration harmful to the human body, the gas concentration sensor 11 is controlled to continuously acquire the concentration of the dangerous gases, and if any dangerous gas concentration is harmful to the human body, the mobile judgment module 13 is controlled to work.
The movement judgment module 13 is configured to judge whether a person moves, control the alarm module to send a first danger alarm if the person does not move, and send a working signal to the movement direction judgment module if the person does not move.
Some of the leaked gas is colorless and odorless, and a person may not take an escape action because he or she is unaware of the dangerous gas, so that the movement determination module 13 does not detect the abnormality of the person, and the person is alerted through the alert module 15. The alarm module 15 may be one or both of a speaker and a vibration device. The first danger warning may thus be a voice, a specific sound sent through a loudspeaker, or a vibration of a specific frequency sent through a vibration device.
The moving direction determining module 14 is configured to determine whether the moving direction of the person is away from an area having a concentration of hazardous gas harmful to a human body, control the alarm module to issue a correct prompt if the moving direction of the person is away from the area, and control the alarm module to issue a second hazard alarm if the moving direction of the person is not the area.
When people escape, people cannot select the correct direction due to scaring, and the concentration of dangerous gas in the escape direction is harmful to human bodies, so that the moving direction of people needs to be prompted.
In another specific embodiment, the moving direction determining module includes a dangerous area defining unit, a motion positioning unit, a displacement calculating unit, and a dangerous area determining unit, wherein:
and the dangerous area defining unit is used for defining an area with dangerous gas concentration harmful to human bodies as a dangerous area according to the position of the gas collecting device and the corresponding dangerous gas concentration.
The gas collecting devices are distributed in each area of a factory, a research institute or the like, and each gas collecting device collects gas in the area, so that the concentration of hazardous gas obtained by the gas collecting device corresponds to the area where the gas collecting device is located, and the area where the gas collecting device that detects the concentration of hazardous gas harmful to a human body is located is defined as a hazardous area.
And the motion positioning unit is used for acquiring the real-time position, the moving speed and the moving direction of the personnel.
The escape personnel are positioned, and the moving speed and the moving direction of the personnel are obtained. The specific way to acquire the information may be to let the person wear the positioning device in advance, or to preset a camera or an infrared sensor in each area.
And the displacement calculation unit is used for calculating the estimated position of the personnel after the preset time according to the real-time position, the moving speed and the moving direction of the personnel.
Estimating the escape route of the personnel according to the real-time position, the moving speed and the moving direction of the personnel, determining the starting point of the personnel according to the real-time position, multiplying the moving speed by the preset time to obtain the estimated displacement of the personnel, and then obtaining the estimated position of the personnel according to the moving direction. Since the situation is critical after the gas leakage accident occurs, the preset time should not be too long, and different preset times can be set according to different areas. For example, the moving direction of the person moving in the stairwell may change faster than the moving direction moving in the open space, and thus the preset time corresponding to the stairwell should be less than the preset time corresponding to the open space.
And a dangerous area judging unit for judging whether the estimated position is the dangerous area, if not, sending the correct prompt, and if so, sending the second dangerous alarm.
The danger area judging unit carries out superposition judgment on the estimated position of the person obtained by the displacement calculating unit and the danger area defined by the danger area defining unit, if the estimated position of the person is in the danger area, a second danger alarm is sent to the person through the alarm module, and if the estimated position of the person is in the safety position, a correct prompt indicating that the moving direction of the person is correct is sent through the alarm module. The second danger warning and the correct prompt may be a voice, a specific sound sent through a speaker, or a vibration of a specific frequency sent through a vibration device.
It can be understood that the first danger alarm, the correct prompt and the second danger alarm in the invention are all sent according to the personal escape condition of the person, so that the personal device with the alarm module can be worn by the person in advance by specifically arranging the corresponding alarm module on the person, for example, arranging the alarm module on each person work clothes, establishing the connection between the system and the mobile phone of each person in advance and using the speaker or the vibrator of the mobile phone.
It should be noted that, if the first danger alarm, the correct prompt, and the second danger alarm are all voice prompts, the voice notifying the person to escape, the voice notifying the person of correct escaping direction, and the voice notifying the person of wrong escaping direction are sequentially provided. Of course, the speech may or may not be replaced by sounds of different pitch or tempo. For example, the first hazard warning, the correct alert, and the second hazard warning are sequentially a continuous high pitch warning, a slow rhythm spaced low pitch warning, and a fast rhythm spaced high pitch warning. Of course, the first hazard warning, the correct prompt, and the second hazard warning may also be a combined voice and sound prompt.
It should be further noted that, if the first danger alarm, the correct alarm and the second danger alarm are all vibration alarms, different vibration frequencies and vibration intervals can be set to distinguish them. For example, the first hazard warning, the correct reminder, and the second hazard warning are sequentially a continuous high frequency warning, a slow rhythm spaced low frequency vibration, and a fast rhythm spaced high frequency vibration. Of course, vibration, voice, and sound may be used to distinguish between the first hazard warning, the correct prompt, and the second hazard warning.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The method and the system for reminding the escape direction of the personnel in the dangerous environment are described in detail, specific examples are applied in the method for explaining the principle and the implementation mode of the invention, and the description of the examples is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (6)
1. A method for reminding escape directions of dangerous environment personnel is characterized by comprising the following steps:
step S1: acquiring the concentration of the dangerous gas in each area;
step S2: judging whether the concentration of the dangerous gas is harmful to the human body, if not, returning to the step S1 to obtain the concentration of the dangerous gas in each area again, and if so, performing the step S3;
step S3: judging whether the personnel moves, if not, sending a first danger alarm, and if so, performing step S4;
step S4: judging whether the moving direction of the personnel is far away from an area with dangerous gas concentration harmful to human bodies, if so, giving a correct prompt, and if not, giving a second dangerous alarm;
wherein judging whether the moving direction of the person is away from an area having a concentration of hazardous gas harmful to a human body includes:
according to the position of the gas collecting device and the corresponding dangerous gas concentration, defining an area with dangerous gas concentration harmful to human bodies as a dangerous area;
acquiring the real-time position, the moving speed and the moving direction of the personnel;
calculating the estimated position of the personnel after the preset time according to the real-time position, the moving speed and the moving direction of the personnel;
and judging whether the estimated position is the dangerous area, if not, sending the correct prompt, and if so, sending the second danger alarm.
2. The method for reminding the escape direction of the dangerous environment people according to claim 1, wherein the step of obtaining the concentration of the dangerous gas in each area comprises the following steps:
collecting air in each area in real time through a gas collecting device arranged in each area in advance;
and analyzing the components of the air to obtain the concentration of the dangerous gas in the corresponding area.
3. The method for reminding the escape direction of people in a dangerous environment according to claim 1, wherein the first danger warning, the correct warning and the second danger warning each comprise at least one of a sound warning and a vibration warning.
4. The utility model provides a dangerous environment personnel direction of fleing reminds system which characterized in that, includes gas concentration sensor, harm concentration judgment module, removes judgment module, removal direction judgment module and alarm module, wherein:
the gas concentration sensor is used for acquiring the concentration of the dangerous gas in each area;
the hazard concentration judgment module is used for judging whether the concentration of the hazardous gas is harmful to a human body, if not, controlling the gas concentration sensor to obtain the concentration of the hazardous gas in each area again, and if so, sending a working signal to the movement judgment module;
the movement judgment module is used for judging whether the personnel moves or not, if not, the movement judgment module controls the alarm module to send out a first danger alarm, and if so, the movement judgment module sends a working signal to the movement direction judgment module;
the moving direction judging module is used for judging whether the moving direction of the personnel is far away from an area with dangerous gas concentration harmful to human bodies, if so, the alarm module is controlled to give a correct prompt, and if not, the alarm module is controlled to give a second dangerous alarm;
wherein, the moving direction judging module comprises:
a dangerous area defining unit for defining an area having a dangerous gas concentration harmful to a human body as a dangerous area according to the position of the gas collecting device and the corresponding dangerous gas concentration;
the movement positioning unit is used for acquiring the real-time position, the moving speed and the moving direction of the personnel;
the displacement calculation unit is used for calculating the estimated position of the personnel after the preset time according to the real-time position, the moving speed and the moving direction of the personnel;
and the dangerous area judging unit is used for judging whether the estimated position is the dangerous area, if not, sending the correct prompt, and if so, sending the second dangerous alarm.
5. The system for reminding the escape direction of people in a dangerous environment according to claim 4, wherein the gas concentration sensor comprises: the gas collecting device is arranged in each area in advance and used for collecting air in the area in real time; and the gas component analysis unit is used for analyzing the components of the air to obtain the concentration of the dangerous gas in the corresponding area.
6. The system for reminding the escape direction of people in a dangerous environment according to claim 4, wherein the alarm module comprises at least one of a speaker and a vibration device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710131103.5A CN106931972B (en) | 2017-03-07 | 2017-03-07 | Method and system for reminding escape direction of dangerous environment personnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710131103.5A CN106931972B (en) | 2017-03-07 | 2017-03-07 | Method and system for reminding escape direction of dangerous environment personnel |
Publications (2)
| Publication Number | Publication Date |
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| CN106931972A CN106931972A (en) | 2017-07-07 |
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| CN109141423B (en) * | 2018-08-01 | 2019-07-26 | 中国建筑科学研究院有限公司 | Evacuation route navigation system based on toxic gas diffusion influence |
| CN112213995A (en) * | 2020-08-20 | 2021-01-12 | 格创东智(天津)科技有限公司 | Intelligent monitoring method and device for factory equipment |
| CN113012595A (en) * | 2021-03-22 | 2021-06-22 | 四川数字可见科技有限公司 | Crowd evacuation system in emergency |
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