CN200979419Y - A multi-channel gas parameter measuring instrument - Google Patents
A multi-channel gas parameter measuring instrument Download PDFInfo
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- CN200979419Y CN200979419Y CN 200620015631 CN200620015631U CN200979419Y CN 200979419 Y CN200979419 Y CN 200979419Y CN 200620015631 CN200620015631 CN 200620015631 CN 200620015631 U CN200620015631 U CN 200620015631U CN 200979419 Y CN200979419 Y CN 200979419Y
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Abstract
The utility model discloses a multi-channel gas parameter measuring device, comprising a data processing module, a data gathering module, a data outputting module, an order inputting module and a current supplying module, wherein the data gathering module comprises at least two kinds of sensors and an A/D changing circuit, the data processing module comprises a PIC one-chip machine for processing and calculating the data gathered by the data gathering module, the data outputting module is arranged with a corresponding data interface to output the data to the external device, the order inputting module is used to input operational order. The utility model combines itself with various sensors, and repeatedly purchasing of various measuring devices is avoided, thereby the utility model has cabinet volume, convenient and practical property. Only one instrument can finish the function which needs various instruments in the past, and the data processing and displaying are uniform, thereby the operating procedure is simplified, the testing time is saved, the testing accuracy is improved and the function of the instrument is diversified. The building block design widens the application area, thereby the utility model is suitable for instruments used in different situations according to the need.
Description
Technical field
The utility model relates to a kind of gas parameter surveying instrument, is meant a kind of multi-channel gas parameter measurement instrument especially.
Background technology
Along with the progressively raising of people's living standard, the comfort level of indoor environment, pollutant are causing people's many more attention over the moon to health effects.Health ministry, the Ministry of Construction have also formulated " room air health supervision management method ", " IAQ (indoor air quality) hygienic practice ", " civil building engineering indoor environmental pollution control standard " standard, standard etc. in succession the parameters of room air have been carried out quantitative regulation.Comfort level, the pollutant of indoor environment have been monitored into a new problem in the field of heating ventilation air conditioning.
The indoor gas parameter that often needs to measure mainly comprises: the temperature of air, humidity, gas velocity, air pressure, CO
2(carbon dioxide) content, TVOC (organic volatile) content, content of formaldehyde etc. are several, and are different from different surveying instruments should be arranged because of the characteristic of monitoring target to the monitoring of each parameter.
1, temperature, commonly used have glass thermometer, a temperature-resistance sensor thermo detector etc., simple to operate, easy to carry, can satisfy the requirement of temperature measurement accuracy.
2, humidity, measuring method have dried, wet bulb thermometer method, electrohydrometer method, wherein, electrohydrometer method sensor commonly used has lithium chloride resistance-type, lithium chloride dew point formula, macromolecule membrane condenser type etc., and between 3%-5%, the measurement result temperature influence is bigger usually for measuring accuracy.
3, gas velocity, common measurement instruments have rotary-cup type anemoscope, hot-bulb formula anemoscope, hot diaphragm type anemoscope etc.Measurement range and precision are different because of instrument, the test of the suitable indoor environment of hot-bulb formula.
4, stream pressure, inclination microbarograph, air pressure gage, silicon pressure sensor etc., product type is more, needs to select for use by the requirement of usable range.
5, CO2, measuring method has infrared ray absorbing gas tester method, vapor-phase chromatography, volumetric precipitation method, electrochemical sensor method, it is more loaded down with trivial details to adopt chemical method to detect formality, can't obtain instant result, infrared ray gas analyzer method precision is higher, but cost is also higher relatively, and the electrochemical sensor price is lower, its measuring accuracy also within the scope of code requirement, should be first-selected surveying instrument.
6, TVOC, kapillary gas chromatography, electrochemical sensor method.
7, formaldehyde, methods such as AMHT colourimetry commonly used, phenol reagent colourimetry, vapor-phase chromatography, acetylacetone method colourimetry, electrochemical sensing method are measured.
And also do not have at present a kind of surveying instrument that can monitor multiple air parameter simultaneously.
The utility model content
Technical problem to be solved in the utility model is: a kind of multi-channel gas parameter measurement instrument is provided, and it can be tested and handle a plurality of air parameters simultaneously, and is easy and simple to handle, applied widely.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of multi-channel gas parameter measurement instrument, comprise data processing module and all be connected in data acquisition module, data outputting module, instruction input module, supply module on the data processing module, wherein, described data acquisition module comprises at least two kinds of sensors and A/D change-over circuit thereof; The PIC single-chip microcomputer of the data that described data processing module comprises and is used to handle, the computational data acquisition module is collected; Described data outputting module is provided with corresponding data-interface PIC single-chip microcomputer data processed exported to counterpart external device and show or to store; Described instruction input module is used for the input operation instruction.
The beneficial effects of the utility model are:
1, economy is integrated into multiple sensors in the instrument, and data processing, demonstration are carried out in unification, have avoided repeating to buy multiple surveying instrument;
2, volume is small and exquisite, convenient and practical, and high integration makes that an instrument can finish in the past 7,8 kind of function that instrument just can be finished, and has simplified operation steps;
3, instrumental function variation, the range of application of instrument has been widened in modular design, and the user can be combined into according to the needs of oneself and be suitable for the instrument that different occasions are used.
Description of drawings
Fig. 1 is that the system of a kind of multi-channel gas parameter measurement instrument of the utility model forms synoptic diagram.
Fig. 2 is the parts connection diagram of a kind of multi-channel gas parameter measurement instrument of the utility model.
Embodiment
As shown in Figures 1 and 2, the utility model provides a kind of multi-channel gas parameter measurement instrument, comprises data processing module, data acquisition module, data outputting module, instruction input module and supply module.
Wherein, the core of described data processing module be one be used to handle, the PIC single-chip microcomputer of data that the computational data acquisition module is collected, the data after the PIC single-chip microcomputer is handled are sent to data outputting module.
Described data acquisition module comprises at least two kinds of sensors and A/D change-over circuit thereof, and described sensor comprises at least as any two kinds in the lower sensor: temperature sensor, humidity sensor, air velocity transducer, air pressure probe, CO
2Content level sensor, TVOC content level sensor, content of formaldehyde sensor.The parameters of gas such as temperature, humidity, pressure etc. are measured by corresponding sensor respectively, and the PIC single-chip microcomputer that is transferred to data processing module after the signal of sensor output is changed via the A/D change-over circuit is again handled.
Described data outputting module is provided with corresponding data-interface and shows or store or print so that export PIC single-chip microcomputer data processed to counterpart external device.Data outputting module can provide multiple flexible way available, for example: described data outputting module can comprise an image data interface, for linking to each other with a display screen with the current various parameters that record of direct demonstration, described display screen can preferably adopt LCD display for LCD display, LED display or CRT display screen; Described data outputting module also can comprise a RS232 interface, and data outputting module is connected with a computer by described RS232 interface, thereby shows, stores air parameter on computers in real time; Described data outputting module also can comprise a wireless communication interface, and data outputting module realizes wireless telecommunication by the computer that described wireless communication interface and has wireless communication interface equally, to satisfy some user demands in particular cases.Can be on a parameter measurement instrument integrated above-mentioned three kinds of data way of outputs, select according to the actual requirements for the user.In addition, described data outputting module can also be established one and be printed interface and an external printing device, parameter is printed for the gauger with change curve or list form check.
Described instruction input module is used for the input operation instruction so that operating instrument, and it can adopt the keyboard form usually, as: keyboard is made up of six toggle switchs, and measuring instrument is according to operations such as the command execution data acquisition of keyboard input, demonstration, transmission.
Described supply module can be the electric battery that carries, and for example utilizes two 15V powered battery; Perhaps, the supply module power source conversion adapter that also can adopt an external power supply converts behind the suitable voltage external power source for using to.
When measuring, the data that each sensor records are after the conversion of A/D change-over circuit, the PIC single-chip microcomputer that promptly is transferred to data processing module is handled, after disposing again by data outputting module export that corresponding apparatus shows to, storage or printing etc. so that the gauger understands parameter in real time.
The utility model can be widely used in the air-conditioned room gas parameter and measure and be used as teaching, experimental apparatus etc.
Claims (9)
1, a kind of multi-channel gas parameter measurement instrument, it is characterized in that: described multi-channel gas parameter measurement instrument comprises data processing module and all is connected in data acquisition module, data outputting module, instruction input module, supply module on the data processing module, wherein, described data acquisition module comprises at least two kinds of sensors and A/D change-over circuit thereof; The PIC single-chip microcomputer of the data that described data processing module comprises and is used to handle, the computational data acquisition module is collected; Described data outputting module is provided with corresponding data-interface PIC single-chip microcomputer data processed exported to counterpart external device and show or to store; Described instruction input module is used for the input operation instruction.
2, multi-channel gas parameter measurement instrument as claimed in claim 1 is characterized in that: described sensor comprises at least as any two kinds in the lower sensor: temperature sensor, humidity sensor, air velocity transducer, air pressure probe, CO
2Content level sensor, TVOC content level sensor, content of formaldehyde sensor.
3, multi-channel gas parameter measurement instrument as claimed in claim 1, it is characterized in that: the data-interface of described data outputting module comprises an image data interface, for linking to each other with the current various parameters of direct demonstration with a display screen.
4, multi-channel gas parameter measurement instrument as claimed in claim 1 is characterized in that: described display screen is LCD display or CRT display screen or LED display.
5, multi-channel gas parameter measurement instrument as claimed in claim 1, it is characterized in that: described data outputting module also comprises a RS232 interface, data outputting module is connected with computer by described RS232 interface, and shows, stores air parameter on computers in real time.
6, as claim 1 or 3 or 5 described multi-channel gas parameter measurement instruments, it is characterized in that: described data outputting module also comprises a wireless communication interface, and data outputting module realizes wireless telecommunication by the computer that described wireless communication interface and has wireless communication interface equally.
7, multi-channel gas parameter measurement instrument as claimed in claim 1 is characterized in that: described data outputting module also comprise one can external printing device printing interface.
8, multi-channel gas parameter measurement instrument as claimed in claim 1 is characterized in that: described instruction input module is a keyboard.
9, multi-channel gas parameter measurement instrument as claimed in claim 1 is characterized in that: described supply module is electric battery or the power source conversion adapter that is used for external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620015631 CN200979419Y (en) | 2006-11-03 | 2006-11-03 | A multi-channel gas parameter measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620015631 CN200979419Y (en) | 2006-11-03 | 2006-11-03 | A multi-channel gas parameter measuring instrument |
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| CN200979419Y true CN200979419Y (en) | 2007-11-21 |
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| CN 200620015631 Expired - Fee Related CN200979419Y (en) | 2006-11-03 | 2006-11-03 | A multi-channel gas parameter measuring instrument |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800002A (en) * | 2010-03-16 | 2010-08-11 | 盐城师范学院 | Humidity sensing characteristic demonstrator for ceramic humidity sensors |
| CN102288218A (en) * | 2011-05-10 | 2011-12-21 | 中安金力（北京）安全生产技术研究院 | Multi-parameter sensor device used in survival cabin of underground shelter |
| CN103500491A (en) * | 2013-10-09 | 2014-01-08 | 山东省农业科学院科技信息研究所 | Intelligent multi-purpose toxic gas monitoring and warning device |
| CN104132685A (en) * | 2014-07-25 | 2014-11-05 | 北京航天长征飞行器研究所 | Sensor test system and method |
| CN104503418A (en) * | 2015-01-15 | 2015-04-08 | 国家电网公司 | Online power station fuel store environment monitoring device |
| CN104914761A (en) * | 2015-05-13 | 2015-09-16 | 重庆邮电大学 | Internet-based remote environment detection and electrical appliance control system |
| CN105606156A (en) * | 2016-03-11 | 2016-05-25 | 复旦大学 | Digital atmospheric pressure temperature and humidity measurement recorder |
| CN106568515A (en) * | 2016-11-16 | 2017-04-19 | 南昌大学 | Over-temperature alarming and monitoring system and control method |
-
2006
- 2006-11-03 CN CN 200620015631 patent/CN200979419Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800002A (en) * | 2010-03-16 | 2010-08-11 | 盐城师范学院 | Humidity sensing characteristic demonstrator for ceramic humidity sensors |
| CN101800002B (en) * | 2010-03-16 | 2011-08-03 | 盐城师范学院 | Humidity sensing characteristic demonstrator for ceramic humidity sensors |
| CN102288218A (en) * | 2011-05-10 | 2011-12-21 | 中安金力（北京）安全生产技术研究院 | Multi-parameter sensor device used in survival cabin of underground shelter |
| CN103500491A (en) * | 2013-10-09 | 2014-01-08 | 山东省农业科学院科技信息研究所 | Intelligent multi-purpose toxic gas monitoring and warning device |
| CN103500491B (en) * | 2013-10-09 | 2016-08-17 | 山东省农业科学院科技信息研究所 | A kind of intelligent multipurpose poisonous gas monitoring alarm |
| CN104132685A (en) * | 2014-07-25 | 2014-11-05 | 北京航天长征飞行器研究所 | Sensor test system and method |
| CN104503418A (en) * | 2015-01-15 | 2015-04-08 | 国家电网公司 | Online power station fuel store environment monitoring device |
| CN104914761A (en) * | 2015-05-13 | 2015-09-16 | 重庆邮电大学 | Internet-based remote environment detection and electrical appliance control system |
| CN105606156A (en) * | 2016-03-11 | 2016-05-25 | 复旦大学 | Digital atmospheric pressure temperature and humidity measurement recorder |
| CN106568515A (en) * | 2016-11-16 | 2017-04-19 | 南昌大学 | Over-temperature alarming and monitoring system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071121 Termination date: 20091203 |