CN204085560U - Subway internal environment quality online detection instrument - Google Patents
Subway internal environment quality online detection instrument Download PDFInfo
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- CN204085560U CN204085560U CN201420357177.2U CN201420357177U CN204085560U CN 204085560 U CN204085560 U CN 204085560U CN 201420357177 U CN201420357177 U CN 201420357177U CN 204085560 U CN204085560 U CN 204085560U
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- subway
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- internal environment
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- 238000001514 detection method Methods 0.000 title claims abstract description 20
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000007613 environmental effect Effects 0.000 claims abstract description 13
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 11
- 230000004907 flux Effects 0.000 claims abstract description 10
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims description 6
- 238000012372 quality testing Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000005457 Black-body radiation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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Abstract
The utility model discloses a kind of subway internal environment quality online detection instrument, environmental quality measuring unit comprises the multiple intelligent sensor be connected with the data signal input of control module respectively, and intelligent sensor comprises intelligent microclimate sensor, particle detector, carbon dioxide sensor, noise transducer, heat flux sensor, wall temperature sensor and WBGT sensor.The utility model have employed microclimate sensor in environmental quality measuring unit, can the simultaneously key element such as collecting temperature, humidity, wind speed, air pressure, is more useful in the particular surroundings of subway to install, measure; Adopt modularization, distributed assembling structure, representative check point can be chosen according to particular surroundings in subway and layout and install flexibly; The quality testing of subway internal environment and market demand are integrated in one, environmental quality detection data are more accurate, kind is more, can issue the information such as windchill factor and Body Comfort Index simultaneously.
Description
Technical field
The utility model relates to a kind of environmental quality pick-up unit, particularly relates to a kind of subway internal environment quality online detection instrument.
Background technology
Current subway has become the main tool of urban transportation, and the factors such as the carbon dioxide of subway inside, particle index, noise and environmental degree of comfort are more and more paid close attention to by the common people.Existing metro environment quality testing mainly adopts all kinds of hand-held detector, has that content is single, precision is low, and cannot meet the problems such as on-line checkingi.
Utility model content
The purpose of this utility model is just to provide a kind of subway internal environment quality online detection instrument to solve the problem, and is integrated with the subway internal environment quality detection device that temperature, humidity, wind speed, air pressure, particle concentration, gas concentration lwevel, noise, wall temperature, hot-fluid, WBGT etc. measure key element.
The utility model is achieved through the following technical solutions above-mentioned purpose:
Subway internal environment quality online detection instrument, comprise environmental quality measuring unit and control module, described environmental quality measuring unit comprises the multiple intelligent sensor be connected with the data signal input of described control module respectively, and described intelligent sensor comprises intelligent microclimate sensor, particle detector, carbon dioxide sensor, noise transducer, heat flux sensor, wall temperature sensor and WBGT sensor.
Particularly, described control module comprises launches driving circuit, signal acquisition circuit, signal processor and communication interface, the control signal output terminal of described signal processor is connected with the control signal input end of described transmitting driving circuit, and the FPDP of described signal processor is connected with described signal acquisition circuit and described communication interface respectively.
Further, the data input pin of described signal acquisition circuit is connected with the data output end of the data output end of described intelligent microclimate sensor, the data output end of described particle detector, the data output end of described carbon dioxide sensor, the data output end of described noise transducer, the data output end of described heat flux sensor, the data output end of described wall temperature sensor and described WBGT sensor respectively.
Further, described control module also comprises reserved checkout equipment interface, and the signal port of described signal processor is connected with described reserved checkout equipment interface.
The beneficial effects of the utility model are:
The utility model provides subway internal environment quality online detection instrument, has the following advantages:
Microclimate sensor is have employed in environmental quality measuring unit, can the simultaneously key element such as collecting temperature, humidity, wind speed, air pressure, the features such as microclimate sensor is high for integrated level, protect, volume is little, are more useful in the particular surroundings of subway and install, measure.
Adopt modularization, distributed assembling structure, representative check point can be chosen according to particular surroundings in subway and layout and install flexibly.
The quality testing of subway internal environment and market demand are integrated in one, environmental quality detection data are more accurate, kind is more, can issue the information such as windchill factor and Body Comfort Index simultaneously.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model subway internal environment quality online detection instrument;
Fig. 2 is the structured flowchart of control module described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As depicted in figs. 1 and 2, the utility model subway internal environment quality online detection instrument, comprise environmental quality measuring unit and control module, described environmental quality measuring unit comprises the multiple intelligent sensor be connected with the data signal input of described control module respectively, described intelligent sensor comprises intelligent microclimate sensor, particle detector, carbon dioxide sensor, noise transducer, heat flux sensor, wall temperature sensor and WBGT sensor, the data of collection can be delivered to control module with digital signaling according to predefined pattern and carry out acquisition process by multiple intelligent sensor, simultaneously can by faults itself diagnostic message and duty timed sending to control module.Described control module comprises launches driving circuit, signal acquisition circuit, signal processor and communication interface, the control signal output terminal of described signal processor is connected with the control signal input end of described transmitting driving circuit, and the FPDP of described signal processor is connected with described signal acquisition circuit and described communication interface respectively.The data input pin of described signal acquisition circuit is connected with the data output end of the data output end of described intelligent microclimate sensor, the data output end of described particle detector, the data output end of described carbon dioxide sensor, the data output end of described noise transducer, the data output end of described heat flux sensor, the data output end of described wall temperature sensor and described WBGT sensor respectively.Described control module also comprises reserved checkout equipment interface, and the signal port of described signal processor is connected with described reserved checkout equipment interface.
The intelligent microclimate sensor that the utility model is integrated is a kind of compact multi-parameter sensor, for measuring multiple meteorologic parameter.Can be used for the measurement and detection to temperature, relative humidity, air pressure and wind speed.This meteorological sensor is by capacitive sensor element Relative Humidity Measuring, and temperature measured by application NTC element, uses Supersonic measuring wind.Various protocols is supported in the output and the process that detect data: UMB-Binary, UMB-ASCII, SDI-12, MODBUS can install external temp sensor additional.
The particle detector that the utility model is integrated, employing semiconductor laser is detection light source, according to light scattering principle design, adds Single-chip Controlling and has abandoned traditional ordinary light source, adopt latest model LASER Light Source, mass concentration conversion coefficient is not by the impact of particle color.Be applicable to the Fast Measurement of pellet TSP, PM10, PM5, PM2.5, PM1 concentration in public place and surrounding air, have measure fast, accurately, stable performance, detection sensitivity high feature; Measurement range 0.001-100mg/m3, sensitivity reaches 0.001mg/m3, and precision is no more than ± and 5%; Within one minute, go out result, easy for installation, simple to operate.
The carbon dioxide transmitter employing import GE binary channels high-quality CO2 modular design that the utility model is integrated, binary channels Non-Dispersive Infra-red (NDIR) principle (NDIR), gold-plated optical element, work long hours the Stability and dependability ensureing that CO2 measures.Be a have 4mA ~ 20mA electric current export and 0V ~ 5V, 0V ~ 10V voltage output environment measurement intelligent transducer.The acoustic meter that the utility model is integrated, adopts advanced digital detection technology, has the features such as dynamic range is large, easy to operate, purposes is wide, and lightweight, easy for installation.
The integrated wall temperature sensor of the utility model adopts SMD principle, be mainly used in the temperature measuring surface of wall, sensor is attached to body of wall or body surface by screw, magnet or other fixed form by SMD temperature sensor, realize comparatively ideal thermometric effect, possess that thermometric accuracy is high, reaction velocity is fast, the convenient fixed installation of volume.
The heat flux sensor that the utility model is integrated, adopts thermoelectric pile measuring tempeature gradient, and this thermoelectric pile is made up of two kinds of different metal materials.Thermopile detector receives heat radiation, and infrared radiant energy makes to produce thermoelectric force between two different materials nodes, exports in the form of a voltage, and voltage proportional is in thermoflux, and its output voltage is millivolt signal.The output radiation amount of heat flux sensor is W/m2, and usually represent with G: G=mv × sensitivity coefficient, each heat flux sensor provides calibrated sensitivity coefficient respectively, and range reaches ± 200W/m2.
The WBGT sensor that the utility model is integrated, adopts diameter 150mm black ball and the high-precision platinum resistor formula temperature note of independent research.Surface blackbody radiation coating adopts special material, guarantees that average radiation coefficient reaches 0.95, truly can be reflected in the actual sensible temperature under people in radiation heat environment or object raying heat and advection heat combined action.
In control module of the present utility model, signal processor can adopt the single-chip microcomputer of tape storage, embedded data process software, can store 4G historical data.Acquisition channel comprises 9 digital interfaces, 3 countings interface, 3 analog interfaces.Launch driving circuit, signal acquisition circuit adopts custom circuit, drive two LED operation respectively, gather the electric signal that two reception diodes export, after changing, send into single-chip microcomputer.
Embodiment is above only be described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the utility model designs spiritual prerequisite; the various distortion that the common engineering technical personnel in this area make technical solutions of the utility model and improvement, all should fall in protection domain that claims of the present utility model determine.
Claims (4)
1. subway internal environment quality online detection instrument, it is characterized in that: comprise environmental quality measuring unit and control module, described environmental quality measuring unit comprises the multiple intelligent sensor be connected with the data signal input of described control module respectively, and described intelligent sensor comprises intelligent microclimate sensor, particle detector, carbon dioxide sensor, noise transducer, heat flux sensor, wall temperature sensor and WBGT sensor.
2. subway internal environment quality online detection instrument according to claim 1, it is characterized in that: described control module comprises launches driving circuit, signal acquisition circuit, signal processor and communication interface, the control signal output terminal of described signal processor is connected with the control signal input end of described transmitting driving circuit, and the FPDP of described signal processor is connected with described signal acquisition circuit and described communication interface respectively.
3. subway internal environment quality online detection instrument according to claim 2, is characterized in that: the data input pin of described signal acquisition circuit is connected with the data output end of the data output end of described intelligent microclimate sensor, the data output end of described particle detector, the data output end of described carbon dioxide sensor, the data output end of described noise transducer, the data output end of described heat flux sensor, the data output end of described wall temperature sensor and described WBGT sensor respectively.
4. subway internal environment quality online detection instrument according to claim 2, is characterized in that: described control module also comprises reserved checkout equipment interface, and the signal port of described signal processor is connected with described reserved checkout equipment interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357177.2U CN204085560U (en) | 2014-07-01 | 2014-07-01 | Subway internal environment quality online detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357177.2U CN204085560U (en) | 2014-07-01 | 2014-07-01 | Subway internal environment quality online detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204085560U true CN204085560U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420357177.2U Expired - Lifetime CN204085560U (en) | 2014-07-01 | 2014-07-01 | Subway internal environment quality online detection instrument |
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| Country | Link |
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| CN (1) | CN204085560U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107168152A (en) * | 2017-04-27 | 2017-09-15 | 沈阳职业技术学院 | Metro environment safety pre-warning system and its method based on wireless sensor network |
| CN109631970A (en) * | 2018-12-26 | 2019-04-16 | 国网北京市电力公司 | Environmental detection set and system |
-
2014
- 2014-07-01 CN CN201420357177.2U patent/CN204085560U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107168152A (en) * | 2017-04-27 | 2017-09-15 | 沈阳职业技术学院 | Metro environment safety pre-warning system and its method based on wireless sensor network |
| CN109631970A (en) * | 2018-12-26 | 2019-04-16 | 国网北京市电力公司 | Environmental detection set and system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150107 |