CN202522501U - Air particle matter monitoring system - Google Patents
Air particle matter monitoring system Download PDFInfo
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- CN202522501U CN202522501U CN2012201916204U CN201220191620U CN202522501U CN 202522501 U CN202522501 U CN 202522501U CN 2012201916204 U CN2012201916204 U CN 2012201916204U CN 201220191620 U CN201220191620 U CN 201220191620U CN 202522501 U CN202522501 U CN 202522501U
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- air
- light source
- laser light
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Abstract
The utility model discloses an air particle matter monitoring system, which comprises a laser light source, a sensor, a processing circuit and a display panel in sequential connection, wherein the laser light source and the sensor are arranged in places in a building with the monitoring requirements on air particle matters, and the display panel is arranged in a convenient-to-observe place of the building. The air particle matter monitoring system can realize the real-time and continuous monitoring on the concentration and the size of particle matters in air in the building, and people do not need to be worried about the influence on monitoring results caused by external factors. The monitoring system is fixedly arranged in the building, and the trouble caused by the frequent moving is avoided. The laser light source is a He-Ne laser, a reflector can be omitted, the structure is simplified, and the installation difficulty is reduced. The processing circuit outputs control signals to air purification treatment equipment according to monitoring results for controlling the starting and the stop of the air purification treatment equipment so that the air purification treatment equipment can carry out the air purification in time, and the air particle matters are kept to reach the standards all the time.
Description
Technical field
The utility model relates to the improvement of air particle detection technique, specifically refers to a kind of system that can monitor airborne particle in real time, belongs to environmental monitoring and control technology field.
Background technology
Monitoring to particulate in air not only has the meaning on the meteorology, has more in many places living environment is required higher meaning.Such as dwelling house, office space, library, exhibition center, gymnasium, entertainment place, hotel, public transport waiting room; Even, the monitoring and the purified treatment requirement of pair air quality, particularly particulate in air are arranged all in the workshop of some aseptic operating rooms, high-cleanness, high and garage etc.Traditional air particle checkout equipment is a movably device of a cover, and which place has the needs of detection, just which place transfers to equipment and detects.This checkout equipment comprises LASER Light Source, sensor (light activated element), treatment circuit and display; The laser that LASER Light Source sends produces scattered light after by airborne particle scattering; Scattered intensity increases with the surface area of particulate; Scattered light is caught back output electric signal to handling circuit by sensor, input signal is carried out computing and is shown testing result through display by treatment circuit.The counter that comprises photoelectric commutator in the treatment circuit, particle is counted with amplification.
Because LASER Light Source adopts laser diode, could be caught by sensor after need reflecting laser through catoptron.There is following deficiency in existing this checkout equipment: comparatively heavy 1, because equipment volume is big, move the comparison difficulty; 2, possibly there is error in testing result, can not reflect the actual state of testing environment air particle exactly; Because existing equipment can only reflect the air regime that detects the period, promptly fan out from point to area, and exactly might the environmental factor around the period bring the deviation bigger, thereby cause testing result inaccurate with reality to surveyed area particulate in air situation; When 3, must start purification apparatus when thinking artificially need carry out purified treatment to the environmental area time, and need to shut down, just lean on experience fully as for purified treatment puts in place through detection.Therefore possibly exist to have purified to have put in place, and cleaning equipment meaningless energy consumption occurs also in the situation of work.
Summary of the invention
To the above-mentioned deficiency that prior art exists, the purpose of the utility model is to provide a kind of system of can be in real time, dynamically airborne particle size and concentration being monitored and controlling.
To achieve these goals; The technical scheme that the utility model adopts is such: the air particle supervisory system; Comprise the LASER Light Source, sensor, treatment circuit and the display panel that connect successively; It is characterized in that: said LASER Light Source and sensor are installed in the buildings (structures) place that need monitor air particle, and display panel is installed in the place that buildings is convenient to observe.
Said LASER Light Source is the He-Ne laser instrument, so can save catoptron.
Said treatment circuit outputs a control signal to the air purification treatment facility according to monitoring result, with the start and stop of control air purification apparatus, makes the air purification treatment facility can in time carry out air purification, keeps air particle up to standard all the time.
This supervisory system also comprises the switch of control supervisory system start and stop, and the switch of said control supervisory system start and stop and display panel combination make operation and show convenient on same panel.
Compare prior art, the utlity model has following beneficial effect:
1, can be in real time, continuously airborne particle size and concentration in the buildings are monitored, do not worry the influence that external factor is brought monitoring result.
2, this supervisory system outputs a control signal to cleaning equipment, and when monitoring result showed that particle is up to standard, control signal was shut down cleaning equipment; When monitoring result showed that particle exceeds standard, control signal started cleaning equipment, thereby makes guarded region remain air particles substrate concentration up to standard, the problem of also having avoided cleaning equipment meaninglessly always to work.
3, this supervisory system is fixedly mounted in the buildings; Avoided frequently moving trouble caused; Be particularly suitable for office space, library, exhibition center, gymnasium, entertainment place, hotel, public transport waiting room, the workshop of aseptic operating room, high-cleanness, high etc. have the place of strict demand to particulate in air.
4, LASER Light Source is the He-Ne laser instrument, can save catoptron, and simplified structure reduces installation difficulty.
Description of drawings
Fig. 1-the utility model structural representation.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Referring to Fig. 1; On scheming, can find out; The utility model air particle supervisory system; Comprise successively the LASER Light Source, sensor, treatment circuit and the display panel that connect, said LASER Light Source and sensor are installed in the interior place that need monitor or control air particle of buildings (structures), and display panel is installed in the place that buildings is convenient to observe.Display panel shows the concentration of the particle of certain magnitude range in the interior air of buildings; As the particle quantity of grain size between 0.1-2.5 μ m in particle quantity and every cubic metre of grain size between 2.5-5 μ m in can showing every cubic metre simultaneously, also can only select wherein a kind of as required.
Said LASER Light Source is the He-Ne laser instrument, so can save catoptron, simplified structure reduces installation difficulty.It is little that the He-Ne laser instrument has a volume, and stability is high, the characteristics that the life-span is long.
Said treatment circuit outputs a control signal to the air purification treatment facility according to monitoring result, with the start and stop of control air purification apparatus, makes the air purification treatment facility can in time carry out air purification, keeps air particle up to standard all the time.
This supervisory system also comprises the switch of control supervisory system start and stop, and the switch of said control supervisory system start and stop and display panel combination make operation and show convenient on same panel.
The utility model is installed on LASER Light Source and sensor in the buildings, and display panel and CS are installed in the position that can conveniently observe and operate in the buildings.Detected result (particle concentration value and size) shows on panel intuitively; The control signal of output is transferred to the air purification treatment facility simultaneously; In real time air particles is handled by the air purification treatment facility; Realize the purpose of monitoring in real time and purified treatment, make particulate in air maintain state up to standard all the time.
The principle of work of this supervisory system: the exploring laser light that LASER Light Source sends is received and the generation electric impulse signal by sensor (light activated element) after the air particles scattering; This electric impulse signal is exaggerated after exporting through the signal transmission, carries out digital signal processing then.Scattered intensity increases with the surface area of particulate, measures scattered intensity and just can know the size of particulate by inference.The scattered light intensity that each particle produces very a little less than; Be a very little light pulse, need be converted into the bigger electric pulse of signal amplitude to light pulse through the amplification of photoelectric commutator; And then the further amplification and the examination of process electronic circuit, accomplish counting work to a large amount of electric pulses.At this moment, the number of the corresponding particulate of electric pulse quantity, the size of the corresponding particulate of the amplitude of electric pulse.Electric impulse signal is exported and is amplified, and carries out digital signal processing then, through comparing with the standard particle signal, comparison result is come out with parametric representation.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the aim and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (4)
1. air particle supervisory system; Comprise the LASER Light Source, sensor, treatment circuit and the display panel that connect successively; It is characterized in that: said LASER Light Source and sensor are installed in the buildings place that need monitor air particle, and display panel is installed in the place that buildings is convenient to observe.
2. air particle supervisory system according to claim 1 is characterized in that: said LASER Light Source is the He-Ne laser instrument.
3. air particle supervisory system according to claim 1 and 2 is characterized in that: said treatment circuit outputs a control signal to the air purification treatment facility according to monitoring result, with the start and stop of control air purification apparatus.
4. air particle supervisory system according to claim 3 is characterized in that: this supervisory system also comprises the switch of control supervisory system start and stop, and the switch of said control supervisory system start and stop and display panel combination are on same panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201916204U CN202522501U (en) | 2012-05-02 | 2012-05-02 | Air particle matter monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201916204U CN202522501U (en) | 2012-05-02 | 2012-05-02 | Air particle matter monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202522501U true CN202522501U (en) | 2012-11-07 |
Family
ID=47105444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201916204U Expired - Lifetime CN202522501U (en) | 2012-05-02 | 2012-05-02 | Air particle matter monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202522501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990842A (en) * | 2015-07-17 | 2015-10-21 | 北京理工大学 | Calibrating system of particle counter |
| CN105203439A (en) * | 2015-09-11 | 2015-12-30 | 珠海格力电器股份有限公司 | Air purification control method and device |
-
2012
- 2012-05-02 CN CN2012201916204U patent/CN202522501U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990842A (en) * | 2015-07-17 | 2015-10-21 | 北京理工大学 | Calibrating system of particle counter |
| CN105203439A (en) * | 2015-09-11 | 2015-12-30 | 珠海格力电器股份有限公司 | Air purification control method and device |
| CN105203439B (en) * | 2015-09-11 | 2018-01-05 | 珠海格力电器股份有限公司 | Purification of air control method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121107 |