CN203949848U - A kind of air particle rapid and handy formula detector - Google Patents
A kind of air particle rapid and handy formula detector Download PDFInfo
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- CN203949848U CN203949848U CN201420400755.6U CN201420400755U CN203949848U CN 203949848 U CN203949848 U CN 203949848U CN 201420400755 U CN201420400755 U CN 201420400755U CN 203949848 U CN203949848 U CN 203949848U
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Abstract
The utility model relates to a kind of air particle rapid and handy formula detector, structure comprises the sample air collecting unit being connected successively, particle sensing chamber, data processing unit, the operation-display unit that are installed in briefcase, and is the power supply unit of sample air collecting unit, particle sensing chamber, data processing unit and operation-display unit power supply; Described sample air collecting unit is provided with cutter and sampling pipe; Described particle sensing chamber outlet side is connected with filtrator, flow sensor and vacuum pump in turn; Described cutter and sampling pipe, particle sensing chamber, filtrator, flow sensor and vacuum pump form complete seal path.The interference that the utility model avoids large particulate matter to detect PM2.5 particle, the humiture system of air can be revised testing result automatically per sample, promoted detection efficiency, ensure detect quality, realize particle rapidly, continuously, in real time, automatically, precise monitoring.
Description
Technical field
The utility model relates to air quality technical field of measurement and test, is specifically related to a kind of air particle rapid and handy formula detector that detects principle based on light scattering method.
Background technology
In recent years, there is marked change in environmental air pollution feature, and the pollution of air particle, via dust pollution epoch and dust pollution+sulfate contamination, has developed into present dust pollution+sulfate+nitrate combined pollution epoch.Regional atmosphere polluting problem becomes increasingly conspicuous, and the compound air pollution episodes such as gray haze, photo-chemical smog and acid rain occur again and again, are apparent that especially fine particles pollution has caused the numerous common people's concern.
At present, the main monitoring method of air particle has: β attenuation sensors, micro-oscillating balance method, light scattering pattern of fusion method and light scattering method.Wherein directly use the detector of light scattering method particle can the airborne particle concentration of fast detecting.It detects principle: infrared beam is through after containing the gas channels of certain granules substrate concentration, can there is scattering in infrared light, the size of scattering light intensity and particulate in air concentration is proportional, detect the size of light intensity by detector, be easy to extrapolate airborne particle concentration.
The existing particle detector based on light scattering method, lacks professional bulky grain tripping device and correcting device, causes air particle testing result and actual conditions to have larger error, has reduced the accuracy of detection of instrument.
Summary of the invention
The purpose of this utility model is, for existing air particle checkout equipment, lack professional bulky grain tripping device and correcting device, cause air particle testing result and actual conditions to have larger error, the technical disadvantages that accuracy of detection is on the low side, provide a kind of and detect the air particle rapid and handy formula detector of principle based on light scattering method, realize particle rapidly, continuously, in real time, automatically, precise monitoring.
The utility model is achieved through the following technical solutions:
A kind of air particle rapid and handy formula detector, it is characterized in that, structure comprises the sample air collecting unit (2) being connected successively, particle sensing chamber (3), data processing unit (4), the operation-display unit (5) that are installed in briefcase (1), and is the power supply unit (6) of sample air collecting unit (2), particle sensing chamber (3), data processing unit (4) and operation-display unit (5) power supply; Described sample air collecting unit (2) is provided with cutter (21) and sampling pipe (22); Described particle sensing chamber (3) outlet side is connected with filtrator (7), flow sensor (8) and vacuum pump (9) in turn; Described cutter (21) forms complete seal path with sampling pipe (22), particle sensing chamber (3), filtrator (7), flow sensor (8) and vacuum pump (9).
Further, described particle sensing chamber (3) is mainly made up of sensing chamber's base (31), sensing chamber's upper cover (32), light source (33), detector (34), signal processing circuit board (35) and module connecting plates (36).
Further, described data processing unit (4) comprise control panel and
temperature, humidity sensor (41).
Further, described operation-display unit (5) comprises panel (51), power switch button (52), embedded main board (53), touch screen button (54), touch LCD screen (55).
Further, described power supply unit (6) comprises charge power supply interface (56), charger (61), rechargeable battery (62), mounting base (63) and battery cover board (64).
Further, described briefcase (1) comprises case lid (11), casing (12), case lock (13), lower margin (14), rotating shaft (15), liner (16) and handle (17).
Further, described detector (34) and light source (33) are positioned at particle sensing chamber (3) two ends, become 120 degree angles.
Further, described light source (33) is LED light source.
Further, described signal processing circuit board (35) is positioned at detector (34) and light source (33) bottom.
Further, described sampling pipe (22) is connected by sampling pipe adapter (23) with particle sensing chamber (3).
Further, described sampling pipe (22) adopts the slotting formula pipe of speed to be connected with sampling pipe adapter (23), seal with O ring.
The utility model relates to a kind of air particle rapid and handy formula detector, and beneficial effect is:
1, the utility model sample air collecting unit (2) has cutter (21) in sampling pipe (22) front end increase, this kind of project organization can effectively be removed the large particulate matter in sample air, the interference of avoiding large particulate matter to detect PM2.5 particle, promote detection efficiency, ensured to detect quality.
2, the utility model particle sensing chamber (3) outlet side is connected with filtrator (7) in turn, flow sensor (8) and vacuum pump (9), cutter (21) and sampling pipe (22), particle sensing chamber (3), filtrator (7), flow sensor (8) and vacuum pump (9) form complete seal path, flow sensor (8) can effectively be controlled the sample air flow of whole detection path, ensure the stability and the accuracy that detect, filtrator (7) is arranged at flow sensor (8) front end, can effectively remove air particle, avoid the gas channel of air particle choked flow quantity sensor (8).
3, the utility model power supply unit (6) comprises charge power supply interface (56), charger and rechargeable battery, rechargeable battery can external AC 220 power supplys, when system operation, can utilize external power supply to power, under particular surroundings, can utilize the electric weight that stores in rechargeable battery to power for system.This kind of electric power-feeding structure, can ensure to increase cycle of operation of equipment, realizes the continuous firing of detector.
4, the utility model operation-display unit (5) comprises panel (51), power switch button (52), embedded main board (53), touch screen button (54) and touch LCD screen (55), embedded main board (53) has improved the integration of system, touch screen button (54) and the use of touch LCD screen (55) handled easily person to detector, make testing result more directly perceived simultaneously, be convenient to common user and obtain testing result.
5, the utility model data processing unit (4) increases has
temperature, humidity sensor (41),can revise detecting data according to the airborne temperature of detected sample, humidity, make testing result more accurate.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model briefcase structural representation.
Fig. 3 is this practical sample air collecting unit structural representation.
Fig. 4 is the utility model operation-display cell structure schematic diagram.
Fig. 5 is the utility model particle sensing chamber structural representation.
Fig. 6 is the utility model particle sensing chamber's inner detector and light-source structure schematic diagram.
Embodiment
Consulting accompanying drawing 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6 is described further the utility model.
The utility model relates to a kind of air particle rapid and handy formula detector, it is characterized in that, structure comprises the sample air collecting unit (2) being connected successively, particle sensing chamber (3), data processing unit (4), the operation-display unit (5) that are installed in briefcase (1), and is the power supply unit (6) of sample air collecting unit (2), particle sensing chamber (3), data processing unit (4) and operation-display unit (5) power supply; Described sample air collecting unit (2) is provided with cutter (21) and sampling pipe (22); Described particle sensing chamber (3) outlet side is connected with filtrator (7), flow sensor (8) and vacuum pump (9) in turn; Described cutter (21) forms complete seal path with sampling pipe (22), particle sensing chamber (3), filtrator (7), flow sensor (8) and vacuum pump (9).
Further, described particle sensing chamber (3) is mainly made up of sensing chamber's base (31), sensing chamber's upper cover (32), light source (33), detector (34), signal processing circuit board (35) and module connecting plates (36).
Further, described data processing unit (4) comprises control panel and warm, humidity sensor (41).
Further, described operation-display unit (5) comprises panel (51), power switch button (52), embedded main board (53), touch screen button (54), touch LCD screen (55).
Further, described power supply unit (6) comprises charge power supply interface (56), charger (61), rechargeable battery (62), mounting base (63) and battery cover board (64).
Further, described briefcase (1) comprises case lid (11), casing (12), case lock (13), lower margin (14), rotating shaft (15), liner (16) and handle (17).
Further, described detector (34) and light source (33) are positioned at particle sensing chamber (3) two ends, become 120 degree angles.
Further, described light source (33) is LED light source.
Further, described signal processing circuit board (35) is positioned at detector (34) and light source (33) bottom.
Further, described sampling pipe (22) is connected by sampling pipe adapter (23) with particle sensing chamber (3).
Further, described sampling pipe (22) adopts the slotting formula pipe of speed to be connected with sampling pipe adapter (23), seal with O ring.
Compared with prior art, the utility model sample air collecting unit (2) has cutter (21) in sampling pipe (22) front end increase, this kind of project organization can effectively be removed the large particulate matter in sample air, the interference of avoiding large particulate matter to detect PM2.5 particle, promote detection efficiency, ensured to detect quality.
The utility model particle sensing chamber (3) outlet side is connected with filtrator (7) in turn, flow sensor (8) and vacuum pump (9), cutter (21) and sampling pipe (22), particle sensing chamber (3), filtrator (7), flow sensor (8) and vacuum pump (9) form complete seal path, flow sensor (8) can effectively be controlled the sample air flow of whole detection path, ensure the stability and the accuracy that detect, filtrator (7) is arranged at flow sensor (8) front end, can effectively remove air particle, avoid the gas channel of air particle choked flow quantity sensor (8).
The utility model power supply unit (6) comprises charge power supply interface (56), charger and rechargeable battery, rechargeable battery can external AC 220 power supplys, when system operation, can utilize external power supply to power, under particular surroundings, can utilize the electric weight that stores in rechargeable battery to power for system.This kind of electric power-feeding structure, can ensure to increase cycle of operation of equipment, realizes the continuous firing of detector.
The utility model operation-display unit (5) comprises panel (51), power switch button (52), embedded main board (53), touch screen button (54) and touch LCD screen (55), embedded main board (53) has improved the integration of system, touch screen button (54) and the use of touch LCD screen (55) handled easily person to detector, make testing result more directly perceived simultaneously, be convenient to common user and obtain testing result.
The utility model data processing unit (4) increases temperature, humidity sensor (41), can revise detecting data according to the airborne temperature of detected sample, humidity, makes testing result more accurate.
In the utility model, cutter (21) is threaded connection with sampling pipe (22), and sampling pipe (22) adopts the slotting formula pipe of speed to be connected with sampling pipe adapter (23), seal with O ring; The inlet end of filtrator (7) is connected by pipeline with the outlet side of particle sensing chamber (3); The inlet end of flow sensor (8) is connected by pipeline with the outlet side of filtrator (7); The inlet end of vacuum pump (9) is connected by pipeline with the outlet side of flow sensor (8); Discharge sample gas by pipeline the outlet side of vacuum pump (9).
Particle sensing chamber (3) is mainly by sensing chamber's base (31), sensing chamber's upper cover (32), light source (33), detector (34), signal processing circuit board (35), module connecting plates (36), inlet suction port (37), air outlet adapter (38) and web joint (39) composition, light source (33) and detector (34) are positioned at surveys light chamber interior, the two ends of surrounding air air flue become 120 degree angles, signal processing circuit board (35) is positioned at the bottom of light source (33) and detector (34), sensing chamber's base (31) is for installing light source (33), detector (34) and signal processing circuit board (35), its end face is provided with ring structure, be used for placing O-ring seal, sensing chamber's upper cover (32) and sensing chamber's base (31) are connected and compress the O-ring seal of sensing chamber's base (31) with screw, for detection of the sealing of chamber, inlet suction port (37) is connected with other modules with pipeline with air outlet adapter (38), web joint (39) is connected with screw with mounting base.
Power supply unit (6) comprises charge power supply interface (56), charger, rechargeable battery, mounting base and battery cover board, rechargeable battery is located with the long slot bore of mounting base, compress by connecting stud with battery gland, rechargeable battery is connected by connecting line with charge power supply interface, charger input end connects AC220V power supply, powers to rechargeable battery by charge power supply interface.
Data processing unit (4) comprises control panel and warm, humidity sensor (41), and control panel is connected with battery cover board with screw by double-screw bolt, is positioned at above battery cover board; Temperature, humidity sensor (41) are connected by connecting line with control panel.
Operation-display unit (5) comprises panel (51), power switch button (52), embedded main board (53), touch screen button (54) and touch LCD screen (55), panel (51) is mainly used in installing touch LCD screen (55), embedded main board (53), power switch button (52) and touch LCD screen (55), and is connected with mounting base by connecting stud; The available hand of touch LCD screen (55) touches mode and operates display interface, is the display terminal of instrument, for the main detected parameters of display instrument; Embedded main board (53) is connected with panel (51) by web joint, is mainly used in the deal with data of data processing unit (4) in touch LCD screen (55) interface display, and controls the display mode of touch LCD screen (55); Power switch button (52) is connected with panel by connecting stud, opening and cutting off for instrument power source; Touch screen button (54) is connected with panel by connecting stud, for when the display screen standby blank screen, lights touch LCD screen (55), is located at show state.
Briefcase (1) comprises that briefcase (1) comprises case lid (11), casing (12), case lock (13), lower margin (14), rotating shaft (15), liner (16) and handle (17).Case lid (11) is connected with casing (12) by rotating shaft (15), casing (12) is the major part of chest instrument container, for the host machine part of placing instrument, be connected with case lid (11) by rotating shaft (15), be connected with lower margin (14) by connection rivet, be connected with rotating shaft (15) and case lock (13) by rivet; Case lock (13) point upper and lower two parts, for upper and lower instrument container two parts are connected as one, can lock, and the first half is connected with rivet with upper cover, and the latter half is connected with rivet with casing; Lower margin (14) is connected with rivet with case lid (11), for placing instrument, at the bottom of protection instrument container; Rotating shaft (15) point upper and lower two parts, for taking casing (12) for basis, the case lid (11) that overturns, the first half is connected with rivet with upper cover, the latter half is connected with rivet with casing (12); Liner (16) is for placing instrument accessory, and surrounding is connected with upper cover with glue; Handle (17), for portable instrument, is connected by rivet with casing (12).
According to above explanation, can complete application of the present utility model.
The utility model can be realized the fast detecting of particle concentration, is applied to the detection of indoor and outdoor particle concentration, realize particle continuously, in real time, automatically monitoring.The utlity model has moulding succinct, attractive in appearance, install simple, easy to operate, can real time data detect, the remarkable advantage such as the cycle of operation is long, chargeable, be convenient for carrying, easy to maintenance, has higher economic benefit and social benefit.
The above; it is only preferably embodiment of the utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; be equal to replacement or changed according to the technical solution of the utility model and utility model design thereof, within all should being encompassed in protection domain of the present utility model.
Claims (10)
1. an air particle rapid and handy formula detector, it is characterized in that, structure comprises the sample air collecting unit (2) being connected successively, particle sensing chamber (3), data processing unit (4), the operation-display unit (5) that are installed in briefcase (1), and is the power supply unit (6) of sample air collecting unit (2), particle sensing chamber (3), data processing unit (4) and operation-display unit (5) power supply; Described sample air collecting unit (2) is provided with cutter (21) and sampling pipe (22); Described particle sensing chamber (3) outlet side is connected with filtrator (7), flow sensor (8) and vacuum pump (9) in turn; Described cutter (21) forms complete seal path with sampling pipe (22), particle sensing chamber (3), filtrator (7), flow sensor (8) and vacuum pump (9).
2. air particle rapid and handy formula detector according to claim 1, it is characterized in that, described particle sensing chamber (3) is mainly made up of sensing chamber's base (31), sensing chamber's upper cover (32), light source (33), detector (34), signal processing circuit board (35) and module connecting plates (36), and signal processing circuit board (35) is positioned at detector (34) and light source (33) bottom.
3. air particle rapid and handy formula detector according to claim 1, is characterized in that, described data processing unit (4) comprises control panel and warm, humidity sensor (41).
4. air particle rapid and handy formula detector according to claim 1, it is characterized in that, described operation-display unit (5) comprises panel (51), power switch button (52), embedded main board (53), touch screen button (54), touch LCD screen (55).
5. air particle rapid and handy formula detector according to claim 1, it is characterized in that, described power supply unit (6) comprises charge power supply interface (56), charger (61), rechargeable battery (62), mounting base (63) and battery cover board (64).
6. air particle rapid and handy formula detector according to claim 1, it is characterized in that, described briefcase (1) comprises case lid (11), casing (12), case lock (13), lower margin (14), rotating shaft (15), liner (16) and handle (17).
7. air particle rapid and handy formula detector according to claim 2, is characterized in that, described detector (34) and light source (33) are positioned at particle sensing chamber (3) two ends, becomes 120 degree angles.
8. air particle rapid and handy formula detector according to claim 2, is characterized in that, described light source (33) is LED light source.
9. air particle rapid and handy formula detector according to claim 1, is characterized in that, described sampling pipe (22) is connected by sampling pipe adapter (23) with particle sensing chamber (3).
10. air particle rapid and handy formula detector according to claim 1, is characterized in that, described sampling pipe (22) adopts the slotting formula pipe of speed to be connected with sampling pipe adapter (23), seal with O ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420400755.6U CN203949848U (en) | 2014-07-21 | 2014-07-21 | A kind of air particle rapid and handy formula detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420400755.6U CN203949848U (en) | 2014-07-21 | 2014-07-21 | A kind of air particle rapid and handy formula detector |
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| CN203949848U true CN203949848U (en) | 2014-11-19 |
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| CN201420400755.6U Active CN203949848U (en) | 2014-07-21 | 2014-07-21 | A kind of air particle rapid and handy formula detector |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092843A (en) * | 2016-06-29 | 2016-11-09 | 上海师范大学 | A kind of PM2.5 real-time detecting system based on Fibre Optical Sensor |
| CN107063955A (en) * | 2017-04-18 | 2017-08-18 | 击风科技（北京）有限公司 | air particle detector calibration method and management system |
| CN107655798A (en) * | 2016-07-26 | 2018-02-02 | 惠州华阳通用电子有限公司 | A kind of device for detecting automobile interior exterior air quality |
| CN109030127A (en) * | 2018-07-20 | 2018-12-18 | 合肥耀世同辉科技有限公司 | A kind of air detection sampler |
| CN109765149A (en) * | 2018-12-27 | 2019-05-17 | 北京英视睿达科技有限公司 | A kind of method and device determining dustfall content based on overall suspended pellet |
-
2014
- 2014-07-21 CN CN201420400755.6U patent/CN203949848U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092843A (en) * | 2016-06-29 | 2016-11-09 | 上海师范大学 | A kind of PM2.5 real-time detecting system based on Fibre Optical Sensor |
| CN107655798A (en) * | 2016-07-26 | 2018-02-02 | 惠州华阳通用电子有限公司 | A kind of device for detecting automobile interior exterior air quality |
| CN107655798B (en) * | 2016-07-26 | 2024-04-09 | 惠州华阳通用电子有限公司 | Device for detecting air quality inside and outside automobile |
| CN107063955A (en) * | 2017-04-18 | 2017-08-18 | 击风科技（北京）有限公司 | air particle detector calibration method and management system |
| CN109030127A (en) * | 2018-07-20 | 2018-12-18 | 合肥耀世同辉科技有限公司 | A kind of air detection sampler |
| CN109765149A (en) * | 2018-12-27 | 2019-05-17 | 北京英视睿达科技有限公司 | A kind of method and device determining dustfall content based on overall suspended pellet |
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