CN111693519A - Gas detection exploration glasses based on gas-sensitive color-changing sensing system - Google Patents
Gas detection exploration glasses based on gas-sensitive color-changing sensing system Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
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- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
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- G02C11/10—Electronic devices other than hearing aids
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- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
- G02C7/101—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having an electro-optical light valve
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/14—Toxic gas alarms
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Abstract
Gas detection exploration glasses based on gas-sensitive color-changing sensing system relates to exploration glasses and a gas detection technology, and belongs to the technical field of detection. The invention aims to design gas detection exploration glasses which are suitable for cave exploration, can timely and accurately detect the concentration of each gas in a cave and can make corresponding feedback. The gas-sensitive color-changing sensing system comprises a gas-sensitive sensor, wherein the gas-sensitive sensor is used for collecting the air quality of the environment and generating color change according to the detection result, the gas-sensitive sensor is realized by adopting gas-sensitive detection materials uniformly coated on two lenses of exploration glasses, and the lenses can be color-changing lenses. The gas-sensitive color-changing sensing system can also comprise an alarm device, and the microcontroller is used for controlling the alarm device to send alarm information according to signals sent by the gas-sensitive color-changing sensing system. The invention has the advantages of convenience, practicability, high reliability and high sensitivity, is suitable for various exploration environments, and is also suitable for the reconstruction of the existing exploration glasses.
Description
Technical Field
The invention relates to exploration glasses and a gas detection technology, and belongs to the technical field of detection.
Background
Exploration refers to the movement of people to examine and search the natural situation in a difficult place where no people go or few people go. From the qualitative aspect of the behavior, the behavior has the characteristic of actively searching and investigating the natural environment and phenomena of unknown danger degree and danger occurrence probability, and is the self-adventure behavior which is actively researched when the danger is known. In today's society, more and more people enjoy exploring the event, seeking excitement in the event, and seeking their own enjoyment. However, since the exploration is an investigation of an unknown environment, it is fraught with unpredictability, with a very uncertain risk factor.
Cave exploration is one of the most popular exploration activities. However, the unknown cave often has the severe conditions of thin air, large amount of toxic gas, environment insider and the like. Part of the gas in the caverns, e.g. CO2、H2S、NO2Can cause threat to human health, especially the CO with higher concentration in the hole2It will have great influence on human body and may result in suffocation in serious cases. In addition, radioactive gases, most commonly radon, are present in the cavern. This is a radioactive inert gas. Radon and its daughter can induce lung cancer, leukemia, gastric cancer, skin cancer and other diseases, which all bring life threat to those in love exploration.
Because the perception degree of people to the air quality is limited, it is difficult to rely on the sense of smell and respiratory system to perceive the change of gas in the environment. Due to poor signals in the cave, help is difficult to seek outside after a disaster, and people rarely find other people to be hurt. According to statistics, a plurality of people can be damaged after the cave exploration every year.
In order to avoid the above situation, some expeditioners often carry a gas detection sensor in the expedition process, and the gas detection sensor needs to be constantly exposed in the air to achieve a timely and effective detection effect. In addition, in the cave exploration, an exploratory often needs to do various complex advancing actions, so that the carried gas sensor cannot be guaranteed to be exposed in the air at any time, and once the gas sensor is shielded, the detection is insensitive and even fails, which is extremely dangerous for the exploratory.
To reduce the accident rate, an exploration device which is convenient to carry and can accurately detect the air quality in the hole in time is very important.
Disclosure of Invention
Aiming at the problems, the invention aims to design gas detection exploration glasses which are suitable for cave exploration, can timely and accurately detect the concentration of each gas in a cave and can make corresponding feedback, and the technical scheme of the invention is as follows:
the gas detection exploration glasses based on the gas-sensitive color-changing sensing system comprise glasses bodies and the gas-sensitive color-changing sensing system, the gas-sensitive color-changing sensing system comprises a gas-sensitive sensor, the gas-sensitive sensor is used for collecting the air quality of the environment where the gas-sensitive sensor is located and generating color change according to a detection result, the gas-sensitive sensor is realized by adopting a gas-sensitive detection material, and the gas-sensitive detection material is uniformly coated on two lenses of the gas detection exploration glasses.
The gas-sensitive detection material adopts metalloporphyrin and Pt (Me)2bzimpy) Cl + salt contact.
The lenses of the gas detection exploration glasses can also select color-changing lenses, at the moment, the gas detection exploration glasses further comprise a microcontroller, the microcontroller is embedded into the glasses legs of the glasses body, the gas-sensitive color-changing sensing system further comprises a signal conditioner, the signal conditioner is used for converting detection result signals sent by the gas-sensitive sensor into electric signals and then sending the electric signals to the microcontroller, and the microcontroller is used for controlling the two lenses to change colors according to the signals.
Above-mentioned gaseous detection exploration glasses can also include alarm device, and alarm device fixes on the glasses body, and microcontroller is used for sending alarm information according to the signal control alarm device that gas-sensitive color-changing sensing system sent.
On the premise of containing an alarm device, one or more alarm thresholds are arranged in the microcontroller, and the alarm device is controlled to send out corresponding alarm information according to the comparison result between the signal sent by the gas-sensitive color-changing sensing system and the one or more alarm thresholds.
The alarm device can be an acoustic alarm device, an optical alarm device or an acousto-optic alarm device.
The gas detection exploration glasses have the advantages that:
1. is convenient and practical. The eye protector can be worn on the eyes all the time during the exploration of the explorationist without influencing the action of the exploratory. The eyes of the expeditioner are protected by wearing the glasses in the expedition process, and when the gas detection expedition glasses are worn, the eyes are protected, the monitoring of the ambient air can be realized, the safety of the expedition is ensured, and the expedition experience of expedition personnel can not be influenced.
2. The reliability is high. The gas detection component of the gas detection exploration glasses is realized by the material coated on the lens, so that the gas detection exploration glasses can be always exposed in the space of the area where an explorationist is located in the exploration process, and the reliability of detecting harmful gas is improved.
3. The sensitivity is high. The gas-sensitive color-changing material is used as a detection sensor, and has extremely high detection sensitivity to air, which far exceeds the sensitivity of human olfaction and respiratory system, so that rapid real-time monitoring can be performed.
4. And the real-time property of the transmission of the detection result. Because the gas-sensitive detection material can change color according to the harm degree of the detected ambient air quality to the human body, the larger the harm degree to the human body is, and the larger the color change is, the harm degree to the human body can be directly and timely sensed by an expeditioner wearing the gas detection exploration glasses through visual sensation, and then timely countermeasures can be made, so that the poisoning condition is avoided.
The gas detection exploration glasses are suitable for various exploration environments and are also suitable for improving the existing exploration glasses.
Drawings
Fig. 1 is an overall appearance diagram of glasses, in which 1 is an optical alarm device, 2 is an acoustic alarm device, and 3 is a microcontroller.
Fig. 2 is a schematic diagram of the connection and signal transmission directions of the modules of the system.
Detailed Description
The gas detection exploration glasses based on the gas-sensitive color-changing sensing system comprise a glasses body and the gas-sensitive color-changing sensing system, wherein the gas-sensitive color-changing sensing system comprises a gas-sensitive sensor, the gas-sensitive sensor is used for collecting the air quality of the environment where the gas-sensitive sensor is located and generating color change according to a detection result, the gas-sensitive sensor is realized by adopting a gas-sensitive detection material, and the gas-sensitive detection material is uniformly coated on two lenses of the gas detection exploration glasses.
The gas-sensitive detection material described in this embodiment employs metalloporphyrin and Pt (Me)2bzimpy) Cl + salt contact. The function of the material is as follows: 1. the change in the concentration of ambient air can be detected, which is normal when the gas concentration is normal, and the darker the color change when the gas concentration becomes thin. 2. Can detect harmful gas in ambient air, wherein the harmful gas comprises CO2、SO2Excess NH3And the material is in a normal state when the concentration of the harmful gases is detected to be low, and the material is darkened when the concentration of the harmful gases is detected to be high and harmful to human bodies.
In practical application, the gas sensor changes color according to the air quality condition of the environment where the glasses are located, so that the color of the lenses of the glasses attached to the gas sensor is changed through sound production, and the purpose of reminding a wearer of the ambient air quality is achieved.
The gas detection exploration glasses in the embodiment adopt the glasses as the detection equipment, so that the glasses can be worn on the eyes of an expeditioner all the time in the exploration process without influencing the action of the expeditioner, and the eyes of the expeditioner are protected by wearing the glasses in the exploration process. In addition, the gas detection expedition glasses of the embodiment generate the alarm signal by changing the color of the lenses, so that a user does not need to pay attention to the alarm signal, and can obtain a detection result according to visual change at any time in the expedition process, and the gas detection expedition glasses are very convenient.
Referring to fig. 1 and fig. 2, a second embodiment is described, which further defines the gas detection exploration glasses of the first embodiment, in this embodiment, the lenses of the glasses body are color-changing lenses, the gas detection exploration glasses further include a microcontroller 3, the microcontroller 3 is embedded in the temples of the glasses body, the gas-sensitive color-changing sensing system further includes a signal conditioner, the signal conditioner is configured to convert the detection result of the gas-sensitive sensor into an electrical signal and send the electrical signal to the microcontroller, and the microcontroller is configured to control the two lenses to change color according to the signal.
The control of the color change of the lens in this embodiment can be realized by the prior art.
This embodiment has increased the control to the lens colour, is in order to overcome gas sensor to the less problem of lens colour change influence, promptly: adding control over the lens color, namely: the reaction of the color of the lens to the detection result of the gas sensor is amplified, so that the attention of a wearer can be attracted, and the reliability of detection information transmission is improved.
In practical applications, there are various ways to change color of the lens, such as: mode one, only one color change, namely: when the air quality is normally a clear color for the lens, the lens begins to change color as the air quality deteriorates, and the darker the air quality, the darker the color. In the second mode, two colors are changed, and the different colors are changed according to the condition of the air quality, for example, as shown in FIG. 2, when the environmental quality is that the air concentration becomes thin, the color of the lens is changed from the normal color to green, and the thinner the air is, the darker the color of the lens is; when the air quality is CO detected2Or other harmful gas concentration is too high, the lens color changes from normal to red, and the higher the concentration, the darker the lens color will become. The two modes areThe color change control of the lens is realized by the microcontroller according to the signal sent by the gas-sensitive color change sensing system.
In a third embodiment, the gas detection exploration glasses in the first or second embodiment are further limited, the gas detection exploration glasses in the third embodiment further comprise an alarm device, the alarm device is fixed on the glasses body, and the microcontroller is used for controlling the alarm device to send out alarm information while controlling the color of the lenses to change.
The alarm device can be realized by adopting an acoustic alarm device 2, an optical alarm device 1 or an acousto-optic alarm device. The alarm device that this embodiment increases can increase one deck warning measure on the basis that the lens discolours, promptly: when the color change reaction of the expedition personnel to the lens is slow due to dark light of the expedition environment, the alarm device can remind the expedition personnel of possible damage to the human body caused by the environment air quality again, remind the expedition personnel to take corresponding measures or evacuate, and further guarantee the safety of the expedition personnel.
The sound alarm device can also effectively remind the gas to detect the air quality of the companion of the expedition glasses wearer, and the warning range is enlarged.
The light alarm device generates alarm information by emitting light, and because the light emitting source is arranged on the glasses frame, a wearer cannot clearly sense the change of the concentration of harmful gas of surrounding expeditioners, so that when a plurality of expeditioners enter a cave expedition together, the person can wear the gas detection exploration glasses, and other people can know whether the ambient air quality is dangerous to the human body or not by observation. Can also all wear this gaseous detection exploration glasses everyone, be convenient for also can confirm whether the ambient air quality is dangerous to the human body through the gaseous light source colour that detects on the exploration glasses of observing others mutually, can effectively avoid arbitrary gaseous detection exploration glasses of one person to detect the function failure and lead to can't in time knowing the ambient air quality and whether take place dangerous condition to the human body, can also reach the effect of reminding in time mutually, avoid because light dim leads to not sensitive and not in time to know the ambient air quality and take place dangerous condition to the human body to the lens colour change.
The alarm device added in the embodiment can increase the way of warning the expeditioner when the air quality is possibly harmful to the life of the expeditioner, thereby more effectively reminding the danger of the environment of the expeditioner, making the expeditioner make correct safety measures, increasing the reliability of alarm information transmission and further ensuring the safety of the expeditioner.
The sound alarm device in this embodiment can be implemented by using a small sound generating device such as an electromagnetic buzzer.
The light alarm device in this embodiment can be implemented by a micro light source such as a light emitting diode.
In a fourth embodiment, the gas detection exploration glasses in the first or second embodiment are further limited, the gas detection exploration glasses in the first or second embodiment further comprise an alarm device, the alarm device is fixed on the glasses body, one or more alarm thresholds are arranged inside the microcontroller, and when a received signal sent by the gas-sensitive sensing system exceeds a corresponding threshold, the microcontroller controls the alarm device to send corresponding alarm information.
In the embodiment, one or more threshold values are set in the microcontroller, so that the starting condition of the alarm device is limited, wherein the condition that one threshold value is set is generally that the air quality is poor to damage the human body, and people are reminded to evacuate. The condition that sets up a plurality of thresholds is exactly to make different alarm information according to the different condition of air quality, and then reminds the adventure personnel to make different measures, for example:
in the first case: the plurality of thresholds respectively correspond to: danger prompt, warning and evacuation, wherein the air quality has an influence on human bodies during the danger prompt, but the danger prompt is not generated, for example: the air concentration becomes thin without affecting the breathing of people, and the air contains harmful gases but the concentration meets the end, and the like. The warning is the condition that the air quality is about to cause harm to human bodies and does not advance as much as possible. Evacuation is the situation where air quality has already begun to be harmful to humans requiring immediate evacuation.
In the second case: the multiple thresholds correspond to different control quality conditions, for example: one threshold value corresponds to the change of the air concentration, and the other threshold value corresponds to the concentration of certain harmful gas, in this case, the expedition personnel can take corresponding measures according to different alarm information, such as: the alarm generated by the change of the air concentration can be overcome by taking a measure of carrying an oxygen cylinder, the alarm of the concentration of certain harmful gases can be served by taking a measure of wearing a gas mask, and the action of generating sparks needs to be avoided for the alarm of the concentration of inflammable harmful gases, and the like.
In both cases, it is also possible to adapt to the change in the lens color, namely: the microcontroller controls the lens to produce different color changes for different thresholds.
The specific threshold value and the setting of the corresponding alarm information can be set according to the requirement.
The alarm device in the embodiment can be realized by adopting the sound alarm device 2, and when a plurality of alarm threshold values are arranged in the microcontroller, the threshold values correspond to different sound signals to be distinguished.
The alarm device in this embodiment can also be realized by an optical alarm device that is provided on any one of the temples or at any position in front of the frame.
The light alarm device may only have a light source with one color, and when a plurality of alarm thresholds are set inside the microcontroller, the thresholds correspond to the light emitting signals with a plurality of flashing frequencies, that is: different alarm messages are indicated by flashing light signals of different frequencies.
The light alarm device can also comprise a plurality of light sources with different colors, and when a plurality of alarm thresholds are arranged in the microcontroller, the thresholds emit light corresponding to the light sources with different colors, namely: different alarm messages are represented by means of non-colored light signals.
The gas-sensitive color-changing sensor is the core part of the whole functional glasses, and the sensor can sense the change of the air quality of the environment and can firstly react to remind the expeditioner. Meanwhile, the detected signal is sent to the microcontroller for controlling the alarm device to send alarm information, and the dual alarm information output effectively improves the reliability of sending the alarm information.
The glasses body in the invention can adopt a head-wearing glasses structure, namely: two mirror legs are all the rear end through having elastic bandage and connecting, and the cover is in the head during use, makes the reliable fixing at the head of glasses body through adjusting the bandage, and this kind of mode of wearing to fill in can make the reliable wearing of glasses body at the head, can also effectively avoid because the too big condition that leads to glasses activity or even landing of action range takes place, can also guarantee that this gaseous detection exploration glasses exert its function.
The lens is a resin lens, so that the damage to a glasses wearer due to the lens fragmentation caused by impact can be avoided, and the safety of the gas detection exploration glasses is improved.
Claims (10)
1. Gas detection exploration glasses based on gas-sensitive color-changing sensing system, including the glasses body, its characterized in that, this exploration glasses still include gas-sensitive color-changing sensing system, and this gas-sensitive color-changing sensing system includes gas sensor, gas sensor is used for gathering the ambient air quality of place to produce the colour change according to the testing result, this gas sensor adopts gas-sensitive detection material to realize, and this gas-sensitive detection material even coating is on two lenses of gas detection exploration glasses.
2. The gas detection exploration glasses based on the gas-sensitive color-changing sensing system as claimed in claim 1, wherein the gas-sensitive detection material is realized by contacting metalloporphyrin and a Cl-salt of Pt (Me2bzimpy) Cl +.
3. The gas detection exploration glasses based on the gas-sensitive color-changing sensing system according to claim 1, wherein the lenses of the gas detection exploration glasses are color-changing lenses, the gas detection exploration glasses further comprise a microcontroller, the microcontroller is embedded in the glasses legs of the glasses body, the gas-sensitive color-changing sensing system further comprises a signal conditioner, the signal conditioner is used for converting detection result signals sent by the gas-sensitive sensor into electric signals and then sending the electric signals to the microcontroller, and the microcontroller is used for controlling the two lenses to change color according to the signals.
4. The gas detection expedition glasses based on the gas-sensitive color-change sensing system as claimed in claim 1, wherein the lens is a color-change lens of one color or a color-change lens of multiple colors.
5. The gas detection exploration glasses based on the gas-sensitive color-changing sensing system according to any one of claims 1 to 4, wherein the gas detection exploration glasses further comprise an alarm device, the alarm device is fixed on the glasses body, and the microcontroller is used for controlling the alarm device to send out alarm information according to signals sent by the gas-sensitive color-changing sensing system.
6. The gas detection exploration glasses based on the gas-sensitive color-changing sensing system according to claim 5, wherein one or more alarm thresholds are arranged inside the microcontroller, and the microcontroller controls an alarm device to send out corresponding alarm information according to the comparison result between the signal sent by the gas-sensitive color-changing sensing system and the one or more alarm thresholds.
7. The gas-sensitive color-changing sensing system-based gas detection exploration glasses according to claim 6, wherein the alarm device is an acoustic alarm device, and when a plurality of alarm thresholds are set inside the microcontroller, the plurality of thresholds correspond to different acoustic signals.
8. The gas-sensitive color-change sensing system-based gas detection exploration glasses according to claim 6, wherein the alarm device is an optical alarm device, and the optical alarm device is arranged on any one of the temples or at any position in front of the glasses frame.
9. The gas-sensitive color-changing sensing system-based gas detection exploration glasses according to claim 8, wherein the light alarm device is a light source with one color, and when a plurality of alarm thresholds are set inside the microcontroller, the thresholds correspond to the light-emitting signals with a plurality of flashing frequencies.
10. The gas-sensitive color-changing sensing system-based gas detection exploration glasses according to claim 8, wherein the light alarm device comprises a plurality of light sources with different colors, and when a plurality of alarm thresholds are set inside the microcontroller, the plurality of thresholds correspond to the light sources with different colors to emit light.
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