CN102353401A - Universal method for detecting toxic gas and alarming and instrument - Google Patents
Universal method for detecting toxic gas and alarming and instrument Download PDFInfo
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- CN102353401A CN102353401A CN2011102526821A CN201110252682A CN102353401A CN 102353401 A CN102353401 A CN 102353401A CN 2011102526821 A CN2011102526821 A CN 2011102526821A CN 201110252682 A CN201110252682 A CN 201110252682A CN 102353401 A CN102353401 A CN 102353401A
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Abstract
The invention relates to a universal method for detecting toxic gas and alarming and an instrument thereof. In the method, a basic module, a universal interface unit of a toxic gas sensor and a wireless communication universal interface unit are adopted. The basic module comprises a central processing unit, a one-key on/off and power supply management unit, a temperature and humidity detecting unit, a real-time clock unit, an alarm unit and a human-machine interface unit, and can be used for completing one-key on/off management, toxic gas detection signal processing, battery power detection, temperature and humidity signal processing, real-time clock signal processing, alarm control and strategy management, human-machine interface control and output wireless signal transmission management. The instrument integrates a toxic gas detection interface function, a temperature and humidity detection function, an alarming function of various manners, and various wireless communication interface functions into a whole, and is convenient to carry on and simple and convenient to operate, and toxic gas sensor modules and wireless communication modules of different manufacturers can be replaced as required.
Description
Technical field
The present invention relates to a kind of toxic gas detection alarm method in common and instrument.
Background technology
Along with the raising of people's living standard, increasing to the demands for energy amount, various oil, chemical industry, rock gas factory constantly increase.Utilize the life that exists multiple toxic and harmful (such as sulfuretted hydrogen, sulphuric dioxide etc.) threatening people at any time in the process in exploitation; Must carry relevant toxic gas detection alarm equipment and form early warning system; In case the toxic gas of high concentration occurs; Can in time remind field worker, ensure safety of workers.
Toxic gas detection alarm instrument based on simple function in the prior art is used widely; Yet existing poisonous gas detecting instrument device general utility functions are single; Only only possesses single detection toxic gas function; Perhaps single radio communication function; Perhaps single humiture measuring ability; People can only utilize this detecting instrument to accomplish single function; Detect such as concentration of toxic gases; Perhaps radio communication does not but detect function of concentration of toxic gases or the like; Detect if accomplish toxic gas simultaneously; Humiture detects; And can pass Control Room back with detecting data in real time; Must carry multiple detecting instrument; Increase workman's burden, influenced work efficiency.Multiple function that some poisonous gas detecting instrument device is integrated, however not only cost an arm and a leg, and also the module that different manufacturer produces can not be general each other.Owing to lack a kind of instrument that collects humiture detections, multiple type of alarm, multiple concentration of toxic gases detection general-purpose interface, various wireless communication module common port, is convenient for carrying in the prior art; Toxic gas sensor module, wireless communication module that different vendor provides are difficult to combine; Not only influenced the overall performance of toxic gas detection alarm instrument; And increased volume, influenced portability and versatility.
Up to now; Still do not have and integrate that multiple toxic gas detects that interface, humiture detect, multiple mode is reported to the police, the various wireless communication interface function, be convenient for carrying, and can change the toxic gas detection alarm all purpose instrument of different toxic gas sensor modules and wireless communication module as required.
Summary of the invention
The technical matters that the present invention will solve is; A kind of toxic gas detection alarm method in common is provided; Can accomplish multiple toxic gas detects; Humiture detects; And multiple type of alarm can be provided; In order to solve the problem that toxic gas sensor module between the different manufacturers in the prior art or wireless communication module can not be general, help alleviating workman's burden, increase work efficiency.
Another technical matters that the present invention will solve is; Provide a kind of toxic gas detection alarm general instrument; Integrate that multiple toxic gas detects that interface, humiture detect, multiple mode is reported to the police, the various wireless communication interface function, be convenient for carrying; And can change different manufacturers' toxic gas sensor module and wireless communication module as required, easy and simple to handle.
The present invention provides a kind of toxic gas detection alarm universal method; Constitute poisonous gas detection alarm all purpose instrument according to said method; Toxic gas sensor module and wireless communication module that can be integrated different manufacturers produce are in order to solve the problem that toxic gas sensor module between the different manufacturers in the prior art or wireless communication module can not be general.
A kind of toxic gas detection alarm method in common adopts basic module, toxic gas sensor Versatile Interface Unit and radio communication Versatile Interface Unit three parts.
Said basic module; Comprise CPU (central processing unit); One bond switching machine and Power Management Unit, humiture detecting unit, real-time clock unit, alarm unit and man-machine interface unit can be accomplished bond switching machine management, the processing of toxic gas detection signal, battery electric quantity detection, temperature-humidity signal processing, real-time clock signal processing, controlling alarm and tactical management, man-machine interface control and output wireless signal and send management.
Said toxic gas sensor Versatile Interface Unit connects CPU (central processing unit) and different toxic gas sensors; Be used for after different toxic gas sensor signal process filtering, the processing and amplifying; The output signal is supplied with central processing unit for processing, obtains the concentration of toxic gas.Said radio communication Versatile Interface Unit connects CPU (central processing unit) and different wireless communication modules, makes that the wireless communication module of distinct interface signal and CPU (central processing unit) are compatible fully.
Said toxic gas detection alarm universal method adopts a bond switching machine and a Power Management Unit, controls the switching on and shutting down of said toxic gas detection alarm all purpose instrument; Adopt the temperature and humidity of humiture detection environment, the output signal is supplied with central processing unit for processing, obtains humiture information; Adopt the real-time clock unit that time and date information is provided, clock signal is supplied with central processing unit for processing, obtains real-time clock information; Said alarm unit is accomplished the warning of different modes according to the steering order of CPU (central processing unit).
A kind of toxic gas detection alarm all purpose instrument; Adopt above-mentioned toxic gas detection alarm method in common; Comprise CPU (central processing unit); General detection interface unit of toxic gas and radio communication Versatile Interface Unit; Also comprise; One bond switching machine and Power Management Unit; The humiture detecting unit; The real-time clock unit; Alarm unit and man-machine interface unit; Can accomplish bond switching machine management; The toxic gas detection signal is handled; Battery electric quantity detects; Temperature-humidity signal is handled; Real-time clock signal is handled; Controlling alarm and tactical management; Man-machine interface control and output wireless signal send management; Wherein, One bond switching machine circuit connects power supply unit, controls the switching on and shutting down of said toxic gas detection alarm all purpose instrument; Said toxic gas sensor Versatile Interface Unit is used to connect CPU (central processing unit) and different toxic gas sensors; Said radio communication Versatile Interface Unit is used to connect CPU (central processing unit) and different wireless communication modules; Said humiture detecting unit, real-time clock unit, man-machine interface unit and alarm unit all are connected to CPU (central processing unit).This toxic gas detection alarm all purpose instrument is applicable to the detection and the warning of one or more toxic gases.
The general detection interface unit of said toxic gas both can connect the toxic gas sensor module with simulating signal output, also can connect the toxic gas sensor module of 4-20mA signal output; Said radio communication Versatile Interface Unit both can connect the wireless communication module of RS232 signaling interface, also can connect the wireless communication module of TTL signaling interface, adopted corresponding wireless transmission strategy that the data that detect are sent.Said toxic gas detection alarm all purpose instrument detects the data except that periodically sending, and also changes according to the concentration of toxic gases pace of change and sends frequency.
Said man-machine interface unit is divided into button operation and liquid crystal display two parts, and said button operation is accomplished switching on and shutting down and all feature operations by four buttons, and four buttons are around the alarm unit layout; Said liquid crystal display shows poisonous gas concentration information, temperature information, humidity information and temporal information in real time, also be used for menu operation show, report to the police demonstrations is set, radio communication is provided with demonstration, electric weight demonstration.
Said alarm unit adopts vibration, luminous and three kinds of type of alarms of sound, through certain strategy decision type of alarm, adopts vibration, luminous and three kinds of modes of sound to report to the police simultaneously under the default situations.
Said instrument can provide instrument real-time time and date.
Said instrument is detected temperatures and humidity in real time.
Description of drawings
Fig. 1 is a toxic gas detection alarm universal method structural drawing of the present invention;
Fig. 2 is that toxic gas of the present invention detects common interface circuit figure;
Fig. 3 is wireless communication interface circuit figure of the present invention;
Fig. 4 is a wireless transmission policy map of the present invention;
Fig. 5 is alarm unit control strategy figure of the present invention;
Fig. 6 is a man-machine interface operational flowchart of the present invention;
Fig. 7 is main interface of demonstration of the present invention and structural representation, and wherein, 1 is radio antenna, and 2 is toxic gas sensor, and 3 is the viewing area, and 4 is audible alarm.
Embodiment
The present invention is directed to the defective of prior art; A kind of toxic gas detection alarm universal method has been proposed; Toxic gas detection alarm all purpose instrument according to said method formation; Have major functions such as toxic gas detection, humiture detection, radio communication, multimode warning, general, easy to carry, multi-functional, operation interface simply is its principal feature.
To combine each accompanying drawing that main realization principle of the present invention and practical implementation step thereof are described in detail below.
Shown in Figure 1 is toxic gas detection alarm universal method structural drawing of the present invention.Can know by figure; The inventive method detects Versatile Interface Unit, radio communication Versatile Interface Unit and basic module three parts by toxic gas and forms; Dotted portion is a basic module among the figure, comprises a bond switching machine, CPU (central processing unit) and the power supply unit that is connected respectively with CPU (central processing unit), real-time clock unit, humiture unit, alarm unit, man-machine interface unit.
One bond switching machine circuit connects power supply unit, controls the switching on and shutting down of said toxic gas detection alarm all purpose instrument, and power supply unit will be exported voltage of voltage regulation and give said toxic gas detection alarm all purpose instrument each unit power supply.Toxic gas detects Versatile Interface Unit and is connected with CPU (central processing unit), and the outputting standard signal is supplied with central processing unit for processing, obtains the concentration of toxic gas; The humiture detecting unit is connected to CPU (central processing unit), and the outputting standard signal is supplied with central processing unit for processing, obtains humiture information; The real-time clock unit is connected to CPU (central processing unit), and the outputting standard clock signal is supplied with central processing unit for processing, obtains real-time clock information; The man-machine interface unit comprises button and liquid crystal display, through button operating instrument platform easily, obtains poisonous gas concentration, humiture information, real-time time, setting alarm limit and the strategy of reporting to the police.Simultaneously, CPU (central processing unit) output is connected to alarm unit, the poisonous gas concentration of collection and the alarm limit of setting is made comparisons, and obtain alarm decision, reports to the police according to the warning strategy of setting; CPU (central processing unit) also is connected with the radio communication Versatile Interface Unit, and the information of gathering is sent through wave point.
Shown in Figure 2 is that above-mentioned toxic gas detects the Versatile Interface Unit circuit diagram.The end of R61, R62 and C49 is linked together; And be connected to the 3rd pin of operational amplifier; The other end of R62, C49 connects together the back and is connected with simulation ground; Sensor interface is respectively the other end of R61 and R63; Operational amplifier the 14th pin is connected with 13 pin, is connected to the end of R65 simultaneously, and the other end of R65 connects together with the end of C50, D17; Be formed with the output point that poisonous gas detects interface 1, the toxic gas sensor that this passage can the output of connection mode analog signal; One termination 12V power supply of sensor interface 2; The other end connects the end of R48, R49; The other end ground connection of R48; The other end of R49 connects together with the 10th pin of R50, C45, operational amplifier; The 8th pin of fortune operational amplifier is connected with the end of R51; The other end of R51 is connected with the end of D15, C46, is formed with the output point that poisonous gas detects interface 2, and this passage can connect the toxic gas sensor of 4～20mA signal output.Signal or the simulating signal of the general output of existing toxic gas sensor product 4～20mA; Toxic gas of the present invention detects the toxic gas sensor that general-purpose interface both can connect the output of 4～20mA signal, toxic gas sensor that also can the output of connection mode analog signal.
Shown in Figure 3 is above-mentioned radio communication common interface circuit figure.The 9th pin of MAX323 is connected with CPU (central processing unit) with the 10th pin; The 2nd pin is connected through C1 with the 16th pin; The 6th pin is connected through C3 with the 15th pin; The 1st pin is connected through C2 with the 3rd pin; The 4th pin is connected through C4 with the 5th pin; The 7th pin is connected wireless communication module with the 8th pin, and simultaneously, wireless module can be connected to CPU (central processing unit) through J4 and J5.In the prior art, wireless oem vendor generally provides RS232 level or Transistor-Transistor Logic level interface, and wireless communication interface of the present invention both can connect the wireless module of RS232 level, also can connect the wireless module of Transistor-Transistor Logic level.If wireless module is the RS232 level, then break off J4, J5, be connected to CPU (central processing unit) through MAX232; If wireless module is a Transistor-Transistor Logic level, then break off MAX232, J4 and J5 in the connection, wireless module is directly connected to CPU (central processing unit).CPU (central processing unit) takes corresponding wireless transmission strategy that the data that detect are sent according to the concentration of toxic gases variation tendency that detects.
Shown in Figure 4 is above-mentioned wireless transmission policy map.CPU (central processing unit) is made comparisons concentration of toxic gases value and the last concentration of toxic gases value constantly of current detection; Calculated difference; If the concentration difference is greater than the concentration difference threshold value; Then get into next step and carry out twice difference limen value comparison detection time; If less than the mistiming threshold value; Then send and detect data, otherwise return the poor of calculating concentration value.With H
2The S detection alarm is an example, and it is 5ppm that the concentration difference threshold value is set, and the mistiming threshold value is 10 seconds, if last detectable concentration value is 3ppm, if in 10 seconds with interior detectable concentration value greater than 8ppm, then start the wireless transmission function.Under the normal condition, wireless module sends data according to the data transmitting period of setting.
Shown in Figure 5 is alarm unit control strategy figure of the present invention.CPU (central processing unit) is made comparisons the concentration of toxic gases value that detects with the warning concentration interval of setting, if detected concentration of toxic gases in warning concentration interval 1, CPU (central processing unit) output control vibrates, a kind of type of alarm in luminous, the sound; If detected concentration of toxic gases is in warning concentration interval 2, the dual mode in CPU (central processing unit) output control vibration, luminous, the sound is reported to the police simultaneously; If detected concentration of toxic gases is in warning concentration interval 3, CPU (central processing unit) output control vibration, luminous, three kinds of modes of sound are reported to the police simultaneously.
Toxic gas detection alarm all purpose instrument of the present invention man-machine interface is divided into button operation and liquid crystal display two parts, accomplishes alarm limit setting, type of alarm setting, checks information such as time, poisonous gas detected value, humiture detected value through operation push-button; Liquid crystal shows residing mode of operation in real time, shows when not having button operation to detect main interface.
Shown in Figure 6 is man-machine interface unit operations process flow diagram of the present invention, below describes operation steps in detail.
The first step: pin a bond switching machine button, continue to decontrol after 3 seconds, accomplish start.If start back menu key is not pressed, then show and detect main interface, show and detect concentration of toxic gases information, humiture information and current time, up to there being Menu key to press, get into next step operation;
Second step: press Menu key, get into the menu operation interface,,, get into next step operation up to there being acknowledgement key to press through the button that makes progress, the different functions of button selection downwards;
The 3rd step: press acknowledgement key,, then get into alarm limit setting, type of alarm setting operation if last step selection is to report to the police submenu is set; If what a last step was selected is the wireless setting submenu, then got into wireless communication type setting, radio-communication period setting; If what a last step was selected is the information inspection submenu, then got into information about power, concentration of toxic gases information, humiture information, the Time of Day information of checking; If what a last step was selected is key shutdown submenu, then get into power-off operation, if pin closing key and continued for 3 seconds, then get into shutdown countdown in 5 seconds, countdown to 0 second shutdown;
The 4th step: after report to the police setting, radio communication setting or information inspection are accomplished, press acknowledgement key and accomplish warning setting, wireless setting or information inspection, and the backtrack menu key is by judging.
Shown in Figure 7 is main interface of demonstration of the present invention and structural representation.1 is the radio communication external cord; 2 is toxic gas sensor; 3 for detecting information display area, and displaying contents has: H
2(this sentences H to the S gas concentration
2S is an example, and wherein concentration unit is ppm, represents the volume number of contained detected gas in the air of 1,000,000 volumes), temperature value, humidity value, current detection time; 4 is the audible alarm parts, and four operation push-buttons are around sound warning piece layout.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and therefore, those skilled in the art can carry out various changes and modification to the present invention.But, if changing with modification, these belong within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. a toxic gas detection alarm universal method adopts basic module, toxic gas sensor Versatile Interface Unit and radio communication Versatile Interface Unit three parts;
Said basic module; Comprise CPU (central processing unit); Bond switching machine management, the processing of toxic gas detection signal, battery electric quantity detection, temperature-humidity signal processing, real-time clock signal processing, controlling alarm and tactical management, man-machine interface control and wireless signal transmitting-receiving management can be accomplished in one bond switching machine and Power Management Unit, humiture detecting unit, real-time clock unit, alarm unit and man-machine interface unit;
Said toxic gas sensor Versatile Interface Unit connects CPU (central processing unit) and different toxic gas sensors; Be used for after different toxic gas sensor signal process filtering, the processing and amplifying; The output signal is supplied with central processing unit for processing, obtains the concentration of toxic gas;
Said radio communication Versatile Interface Unit connects CPU (central processing unit) and different wireless communication modules, makes that the wireless communication module of distinct interface signal and CPU (central processing unit) are compatible fully, and the information of gathering is sent through wave point;
Said toxic gas detection alarm universal method adopts a bond switching machine and a Power Management Unit, controls the switching on and shutting down of said toxic gas detection alarm all purpose instrument; Adopt the temperature and humidity of humiture detection environment, the output signal is supplied with central processing unit for processing, obtains humiture information; Adopt the real-time clock unit that time and date information is provided, clock signal is supplied with central processing unit for processing, obtains real-time clock information; Said alarm unit is accomplished the warning of different modes according to the steering order of CPU (central processing unit).
2. employed toxic gas detection alarm all purpose instrument in the toxic gas detection alarm universal method as claimed in claim 1; Comprise CPU (central processing unit); General detection interface unit of toxic gas and radio communication Versatile Interface Unit; Also comprise; One bond switching machine and Power Management Unit; The humiture detecting unit; The real-time clock unit; Alarm unit and man-machine interface unit; Can accomplish bond switching machine management; The toxic gas detection signal is handled; Battery electric quantity detects; Temperature-humidity signal is handled; Real-time clock signal is handled; Controlling alarm and tactical management; Man-machine interface control and output wireless signal send management; Wherein, One bond switching machine circuit connects power supply unit, controls the switching on and shutting down of said toxic gas detection alarm all purpose instrument; Said toxic gas sensor Versatile Interface Unit is used to connect CPU (central processing unit) and different toxic gas sensors; Said radio communication Versatile Interface Unit is used to connect CPU (central processing unit) and different wireless communication modules; Said humiture detecting unit, real-time clock unit, man-machine interface unit and alarm unit all are connected to CPU (central processing unit).
3. the described toxic gas detection alarm of claim 2 all purpose instrument is characterized in that, this toxic gas detection alarm all purpose instrument is applicable to the detection and the warning of one or more toxic gases.
4. toxic gas detection alarm all purpose instrument as claimed in claim 2; It is characterized in that; The general detection interface unit of said toxic gas both can connect the toxic gas sensor module with simulating signal output, also can connect the toxic gas sensor module of 4-20mA signal output; Said radio communication Versatile Interface Unit both can connect the wireless communication module of RS232 signaling interface, also can connect the wireless communication module of TTL signaling interface, adopted corresponding wireless transmission strategy that the data that detect are sent.
5. toxic gas detection alarm all purpose instrument as claimed in claim 2; It is characterized in that; Said man-machine interface unit is divided into button operation and liquid crystal display two parts, and said button operation is accomplished switching on and shutting down and all feature operations by four reset keys, and four buttons are around the alarm unit layout; Said liquid crystal display shows poisonous gas concentration information, temperature information, humidity information and temporal information in real time, also be used for menu operation show, report to the police demonstrations is set, radio communication is provided with demonstration, electric weight demonstration.
6. toxic gas detection alarm all purpose instrument as claimed in claim 2 is characterized in that, said alarm unit adopts vibration, luminous and three kinds of type of alarms of sound, adopts vibration, luminous and three kinds of modes of sound to report to the police simultaneously under the default situations.
7. the general detection alarm instrument of toxic gas according to claim 2 is characterized in that said instrument can provide instrument real-time time and date.
8. the general detection alarm instrument of toxic gas according to claim 2 is characterized in that said instrument is detected temperatures and humidity in real time.
9. wireless transmission strategy according to claim 4 is characterized in that, said toxic gas detection alarm all purpose instrument detects the data except that periodically sending, and also changes according to toxic gas gas concentration pace of change and sends frequency.
10. type of alarm according to claim 6; It is characterized in that; CPU (central processing unit) is made comparisons the concentration of toxic gases value of detection and the warning concentration interval of setting; Judge a kind of type of alarm in output control vibration, luminous, the sound; Dual mode in perhaps output control vibration, luminous, the sound is reported to the police simultaneously, and perhaps control vibration, luminous, three kinds of modes of sound are reported to the police simultaneously.
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| CN2011102526821A CN102353401A (en) | 2011-08-30 | 2011-08-30 | Universal method for detecting toxic gas and alarming and instrument |
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| CN2011102526821A CN102353401A (en) | 2011-08-30 | 2011-08-30 | Universal method for detecting toxic gas and alarming and instrument |
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| CN105784946A (en) * | 2016-05-24 | 2016-07-20 | 南宁市茂百科技有限公司 | Toxic gas detector |
| CN107024440A (en) * | 2017-04-19 | 2017-08-08 | 无锡市永安电子科技有限公司 | A kind of toxic gas and change of water quality early warning plateform system |
| CN108898802A (en) * | 2018-07-11 | 2018-11-27 | 宁夏诺克银丰智能科技有限公司 | A kind of combustible and poisonous gas intelligent alarm system of dry cell power supply |
| CN108963780A (en) * | 2018-07-16 | 2018-12-07 | 安徽科创新能源科技有限责任公司 | A kind of electric device with automatic reminding function |
| CN108963779A (en) * | 2018-07-16 | 2018-12-07 | 安徽科创新能源科技有限责任公司 | Electric device comprising adsorbent |
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| CN108963780A (en) * | 2018-07-16 | 2018-12-07 | 安徽科创新能源科技有限责任公司 | A kind of electric device with automatic reminding function |
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Application publication date: 20120215 |