CN201757735U - Laser measuring apparatus and measuring system for dust particles - Google Patents
Laser measuring apparatus and measuring system for dust particles Download PDFInfo
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- CN201757735U CN201757735U CN2010202092946U CN201020209294U CN201757735U CN 201757735 U CN201757735 U CN 201757735U CN 2010202092946 U CN2010202092946 U CN 2010202092946U CN 201020209294 U CN201020209294 U CN 201020209294U CN 201757735 U CN201757735 U CN 201757735U
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Abstract
The utility model discloses a laser measuring apparatus for dust particles, comprising an air pump exhaust unit, a laser emitter unit and a sensor unit which are integrated by a main body support; a measuring system based on the measuring apparatus is also provided, which includes a laser measuring apparatus for dust particles, a dust size data partitioning circuit system, a CPU and an LED display unit. The utility model adopting the above mentioned technical scheme has a high measuring precision and utilization expandability, small volume and convenient use.
Description
Technical field
The utility model relates to a kind of laser dust particulate matter measuring apparatus and by the laser dust particle measuring system that this device constitutes, relates in particular to a kind of miniature extendible laser dust particulate matter measuring apparatus and measuring system thereof.
Background technology
The laser dust measuring, accurately be widely applied because of it is convenient with commercial production or environmental testing on, with regard to prior art, for guaranteeing the precision of surveying instrument, on technology, can't do very for a short time, more not have a kind of miniature laser dust granules thing measurement mechanism that on other measurements or non-measurement electronic equipment, uses of expanding.
Summary of the invention
For solving the deficiencies in the prior art, the utility model aims to provide a kind of high precision, and can separately or expand and use miniature laser dust granules thing measurement mechanism, and a kind of measuring system that constitutes by this device.
The technical solution of the utility model is: a kind of laser dust particulate matter measuring apparatus, comprise the air pump unit of bleeding, the generating laser unit, sensor unit, said units integrates by a main body rack, described main body rack is one or the six cube cell bodies to via hollow, before on it, back and left, on right the reaching, lower through-hole is spatial vertical each other, and it is all corresponding in twos, for improving sealing, each through hole junction is equipped with the O-ring seal sealing, described air pump is bled the unit by air pump and advancing, outlet pipe is formed, wherein the main body rack draft tube is connected with the right through hole of main body rack, the main body rack escape pipe is connected with main body rack left side through hole, described main body rack escape pipe is by the air pump draft tube formation air inlet pipeline that is connected with air pump, and air pump and gas outlet form air pipe; Described generating laser unit is made up of laser support and the laser focusing eyeglass being located at the generating laser in the laser support and being located at the laser frame bottom, described generating laser device is connected with main body rack by preceding through hole, and other has a screw cap to be fixed in the back through hole; Described sensor unit is made up of particulate matter sensors and sensor holder thereof, and they place on the main body rack in the through hole, other have a base fixing with the main body rack lower through-hole in.
Its feature also is: the preferred step motor drive air pump of described air pump;
Described sensor is preferably responded to the photoelectric cell particle sensor special of scattered light intensity;
The infrared laser transmitter that described generating laser optimal wavelength is 788 nanometers.
A kind of laser dust particle measuring system comprises above-mentioned laser dust particulate matter measuring apparatus, dust size data subregion Circuits System, CPU processing unit and led display unit.
Described laser dust particulate matter measuring apparatus enters dust size data subregion Circuits System after by the particulate matter sensors image data, analyzes the back by CPU and shows measurement result by led display unit.
Its feature also is: described laser dust particle measuring system has extensibility, and described CPU processing unit and led display unit can be that what to carry can also be shared as household electrical appliance such as communication apparatus such as other electronic measuring instruments, mobile phone, computer such as electronic instrument for measuring temperature etc. with the electronic equipment of other band display screens.
Take the utility model of technique scheme, have high measurement accuracy and use extendability, and small and exquisite easy-to-use very convenient, solved the deficiencies in the prior art.
Description of drawings
Fig. 1, be the decomposition texture synoptic diagram of the utility model laser dust particulate matter measuring apparatus embodiment;
Fig. 2, be that the gas flow and the light beam of the utility model laser dust particulate matter measuring apparatus flows to synoptic diagram;
Fig. 3: the measuring principle block diagram that is the utility model laser dust particle measuring system;
Among the figure: 1, particulate matter sensors; 2, sensor holder; 3, O-ring seal; 4, main body rack; 5, main body rack draft tube; 6, screw cap; 7, base; 8, main body rack escape pipe; 9, air pump draft tube; 10, air intake opening; 11, gas outlet; 12, laser focusing eyeglass; 13, generating laser; 14, laser support; 15, air pump; 41, preceding through hole; 42, back through hole; 43, left through hole; 44, right through hole; 45, go up through hole; 46, lower through-hole; 47, the air pump unit of bleeding; 48, generating laser unit; 49, sensor unit; 50, laser beam.
Embodiment
Referring to Fig. 1, Fig. 2, as shown in the figure, laser dust particulate matter measuring apparatus 1, comprise the air pump unit of bleeding, the generating laser unit, sensor unit, said units integrates by a main body rack 4, described main body rack 4 is one or the six cube cell bodies to via hollow, before on it, back and left, on right the reaching, lower through-hole (41,42,43,44,45,46) spatial vertical each other, and it is all corresponding in twos, for improving sealing, each through hole junction is equipped with O-ring seal 3 sealings, described air pump is bled the unit by air pump 15 with advance, outlet pipe is formed, wherein the right through hole 44 of main body rack draft tube 5 and main body rack is connected, and main body rack escape pipe 8 is connected with the left through hole 43 of main body rack, and described main body rack escape pipe 8 is by the air pump draft tube 9 formation air inlet pipeline that is connected with air pump 15; Air pump 15 and gas outlet 11 form air pipe; Described generating laser unit is made up of laser support 14 and the laser focusing eyeglass 12 being located at the generating lasers 13 in the laser support 14 and being located at laser support 14 bottoms, described generating laser unit is connected with main body rack 4 by preceding through hole 41, and other has a screw cap 6 to be fixed in back through hole 42; Described sensor unit is made up of particulate matter sensors 1 and sensor holder 2 thereof, and they place on the main body rack 4 in the through hole 45, and other has a base 7 to be fixed in the main body rack lower through-hole 46.
During operation, air pump 15 is with gas suction to be tested, gas enters in the main body rack 4 from main body rack draft tube 5, generating laser 13 emission of lasering beam shine this gas simultaneously, be located at the particulate matter sensors 1 in the through hole 45, image data detects the gas of playing and enters air pump 15 through air pump draft tube 9 by air intake opening 10 from main body rack escape pipe 8,11 discharges from the gas outlet at last.
Referring to Fig. 1, Fig. 2, Fig. 3, the utility model laser dust particle measuring system comprises above-mentioned laser dust particulate matter measuring apparatus, dust size data subregion Circuits System, CPU processing unit and led display unit.
Described laser dust particulate matter measuring apparatus extracts gas to be measured by bleed unit 47 of air pump, the 788 nanometer lasers irradiation of 48 emissions through the generating laser unit, by entering dust size data subregion Circuits System after sensor unit 49 image data, analyze the back by CPU and show measurement result by led display unit.
Obviously; foregoing is just in order to illustrate characteristics of the present utility model; and be not to restriction of the present utility model, the variation that the those of ordinary skill in relevant technologies field is made in the corresponding techniques field according to the utility model all should belong to protection category of the present utility model.
Claims (6)
1. laser dust particulate matter measuring apparatus, it is characterized in that: comprise air pump bleed unit, generating laser unit, sensor unit, said units integrates by a main body rack, described main body rack is one or the six cube cell bodies to via hollow, forward and backward and left and right and upper and lower through hole on it is spatial vertical each other, and all corresponding in twos; The described air pump unit of bleeding is made up of air pump and inlet, outlet pipeline, wherein the main body rack draft tube is connected with the right through hole of main body rack, the main body rack escape pipe is connected with main body rack left side through hole, described main body rack escape pipe is by the air pump draft tube formation air inlet pipeline that is connected with air pump, and air pump and gas outlet form air pipe; Described generating laser unit is made up of laser support and the laser focusing eyeglass being located at the generating laser in the laser support and being located at the laser frame bottom, and described generating laser device passes through preceding through hole and is connected with main body rack; Described sensor unit is made up of particulate matter sensors and sensor holder thereof, and they place on the main body rack in the through hole.
2. a kind of laser dust particulate matter measuring apparatus according to claim 1 is characterized in that: the preferred step motor drive air pump of described air pump.
3. a kind of laser dust particulate matter measuring apparatus according to claim 1 is characterized in that: described sensor is preferably responded to the photoelectric cell particle sensor special of scattered light intensity.
4. a kind of laser dust particulate matter measuring apparatus according to claim 1 is characterized in that: the infrared laser transmitter that described generating laser optimal wavelength is 788 nanometers.
5. a kind of laser dust particle measuring system that constitutes by above-mentioned laser dust particulate matter measuring apparatus, it is characterized in that: comprise laser dust particulate matter measuring apparatus, dust size data subregion Circuits System, CPU processing unit and led display unit, described laser dust particulate matter measuring apparatus extracts gas to be measured by the air pump unit of bleeding, shine through the generating laser unit, by entering dust size data subregion Circuits System after the sensor unit image data, analyze the back by CPU and show measurement result again by led display unit.
6. a kind of laser dust particle measuring system according to claim 5 is characterized in that: described CPU processing unit and led display unit can be that what to carry also can be shared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202092946U CN201757735U (en) | 2010-05-31 | 2010-05-31 | Laser measuring apparatus and measuring system for dust particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202092946U CN201757735U (en) | 2010-05-31 | 2010-05-31 | Laser measuring apparatus and measuring system for dust particles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201757735U true CN201757735U (en) | 2011-03-09 |
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ID=43645017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202092946U Expired - Lifetime CN201757735U (en) | 2010-05-31 | 2010-05-31 | Laser measuring apparatus and measuring system for dust particles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201757735U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410973A (en) * | 2011-11-28 | 2012-04-11 | 上海睿钰生物科技有限公司 | Suspended particle counting analysis device |
| CN103837451A (en) * | 2014-02-28 | 2014-06-04 | 苏州亿利安机电科技有限公司 | Dust sensor for on-line monitoring of dust concentration |
-
2010
- 2010-05-31 CN CN2010202092946U patent/CN201757735U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410973A (en) * | 2011-11-28 | 2012-04-11 | 上海睿钰生物科技有限公司 | Suspended particle counting analysis device |
| CN103837451A (en) * | 2014-02-28 | 2014-06-04 | 苏州亿利安机电科技有限公司 | Dust sensor for on-line monitoring of dust concentration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518108 Guangdong city of Shenzhen province Nanshan District Xili white Wangsong White Road Industrial Zone No. 19 district Baiwang letter, No. 21 building Patentee after: Shenzhen City Huasheng Technology Industry Limited by Share Ltd Address before: 518108 Guangdong city of Shenzhen province Nanshan District Xili white Wangsong White Road Industrial Zone No. 19 district Baiwang letter, No. 21 building Patentee before: Shenzhen Everbest Machinery Industry Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110309 |
|
| CX01 | Expiry of patent term |