CN204831979U - Binary channels atmosphere raise dust on -line monitoring equipment - Google Patents
Binary channels atmosphere raise dust on -line monitoring equipment Download PDFInfo
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- CN204831979U CN204831979U CN201520661581.3U CN201520661581U CN204831979U CN 204831979 U CN204831979 U CN 204831979U CN 201520661581 U CN201520661581 U CN 201520661581U CN 204831979 U CN204831979 U CN 204831979U
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Abstract
The utility model provides a binary channels atmosphere raise dust on -line monitoring equipment, include: tracer gas air inlet gas outlet sets up two blast pipes, first blast pipe one end connection tracer gas air inlet gas outlet, the first solenoid valve control end that admits air is connected to the first blast pipe other end, first solenoid valve exhaust control end passes through the first dirt appearance detector of pipe connection, and tracer gas discharges from the exhaust hole of first dirt appearance detector, second blast pipe one end connection tracer gas air inlet gas outlet, the second solenoid valve control end that admits air is connected to the second blast pipe other end, second solenoid valve exhaust control end passes through pipe connection second dirt appearance detector, and tracer gas discharges from the exhaust hole of second dirt appearance detector. The utility model provides a simple structure, service conditions be wide in range, based on the light scattering method can the simultaneous measurement atmospheric environment in the binary channels atmosphere raise dust on -line monitoring system of TSP and PM10 concentration.
Description
Technical field
The utility model relates to Mine Dust monitoring field, particularly relates to a kind of binary channels air airborne dust on-line monitoring equipment.
Background technology
The method that current air particles is monitored automatically mainly contains: light scattering method, β attenuation sensors, microbalance succusion etc.The feature that light scattering method is simple to operate with it, Measuring Time is short and precision is high is widely used.Most of air airborne dust monitoring system can only realize the monitoring of TSP, PM10 or PM2.5 parameter in the market, to monitor multiple parameter, then needs multiple monitoring system, monitoring cost is improved greatly.
The binary channels particle monitoring system that ThermoScientific company of the U.S. produces can be monitored PM10 and PM2.5 simultaneously, but it is very harsh to monitoring conditional request, require 50 DEG C of constant temperature conditions of work, under large damp condition, monitoring result even there will be negative value.
The binary channels airborne particulate automated watch-keeping facility described in Chinese invention patent [201210332949] can realize PM10 and PM2.5 and monitor simultaneously, but its measuring principle is based on β rays method, β ray has radioactivity, easily causes radiation damage if mishandling.
This just needs those skilled in the art badly and solves corresponding technical matters.
Utility model content
The utility model is intended at least solve the technical matters existed in prior art, especially innovatively proposes a kind of binary channels air airborne dust on-line monitoring equipment.
In order to realize above-mentioned purpose of the present utility model, the utility model provides a kind of binary channels air airborne dust on-line monitoring equipment, and it comprises: detect gas inlet 2, PM10 cutter 3, first solenoid valve 4, second solenoid valve 5, first dirt sample detecting device 6, second dirt sample detecting device 9;
Detect gas inlet 2 gas outlet and two gas outlets are set, downtake pipe one end connects detects gas inlet 2 gas outlet, the described downtake pipe other end connects the first solenoid valve 4 air inlet control end, described first solenoid valve 4 gas exhaust inspecting end connects the first dirt sample detecting device 6 by pipeline, detect gas to discharge from the vent port of the first dirt sample detecting device 6, second exhaust pipe one end connects detects gas inlet 2 gas outlet, the described second exhaust pipe other end connects the second solenoid valve 5 air inlet control end, described second solenoid valve 5 gas exhaust inspecting end connects the second dirt sample detecting device 9 by pipeline, detect gas to discharge from the vent port of the second dirt sample detecting device 9.
Described binary channels air airborne dust on-line monitoring equipment, preferably, also comprises filtered air inlet 1;
Described filtered air inlet 1 inside arranges screen pack, and the exhausr port of described filtered air inlet 1 connects the air inlet control end of the first solenoid valve 4 and the second solenoid valve 5 respectively by pipeline.
Described binary channels air airborne dust on-line monitoring equipment, preferably, also comprises the first aspiration pump 12, first air strainer 14,
Described first dirt sample detecting device 6 exhausr port connects the first aspiration pump 12 by pipeline; described first aspiration pump 12 arranges exhausr port and return air inlet; portion gas is discharged by described exhausr port; described return air inlet connects the first air strainer 14 by pipeline; described first air strainer 14 air outlet connects the first dirt sample detecting device 6 air intake opening, and the gas refluxed by the first aspiration pump 12 is become clean gas and imports the formation of the dust-contained airflow before entering the first dirt sample detecting device 6 protection gas sheath after air strainer.
Described binary channels air airborne dust on-line monitoring equipment, preferably, also comprises the second aspiration pump 13, second air strainer 15;
Described second dirt sample detecting device 9 exhausr port connects the second aspiration pump 13 by pipeline; described second aspiration pump 13 arranges exhausr port and return air inlet; portion gas is discharged by described exhausr port; described return air inlet connects the second air strainer 15 by pipeline; described second air strainer 15 air outlet connects the second dirt sample detecting device 9 air intake opening, and the gas refluxed by the second aspiration pump 13 is become clean gas and imports the formation of the dust-contained airflow before entering the second dirt sample detecting device 9 protection gas sheath after air strainer.
Described binary channels air airborne dust on-line monitoring equipment, preferably, described first dirt sample detecting device 6 comprises: the first laser generator 7 and the first light trapping 8;
Arrange the first laser generator 7 and the first light trapping 8 between first dirt sample detecting device 6 air intake opening and gas outlet, described first laser generator 7 and the first light trapping 8 are oppositely arranged.
Described binary channels air airborne dust on-line monitoring equipment, preferably, described second dirt sample detecting device 9 comprises: the second laser generator 10 and the second light trapping 11;
Arrange the second laser generator 10 and the second light trapping 11 between second dirt sample detecting device 9 air intake opening and gas outlet, described second laser generator 10 and the second light trapping 11 are oppositely arranged.
Described binary channels air airborne dust on-line monitoring equipment, preferably, also comprises: microprocessor, analog to digital converter, GPRS module;
Described first dirt sample detecting device 6 data acquisition end connects microprocessor data end, described second dirt sample detecting device 9 data acquisition end connects microprocessor data end, described first solenoid valve 4 control end connects microprocessor solenoid control end, described second solenoid valve 5 control end connects microprocessor solenoid control end, described microprocessor data transmission ends connects GPRS module data transmission terminal, steering order end connects microprocessor signals control end by analog to digital converter, and steering order is sent to microprocessor by analog to digital converter by described steering order end.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
The utility model provides that a kind of structure is simple, service condition is wide in range, based on the binary channels air airborne dust on-line monitoring system can measuring TSP and PM10 concentration in atmospheric environment of light scattering method simultaneously.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is binary channels air airborne dust on-line monitoring equipment schematic diagram of the present invention;
Fig. 2 is binary channels air airborne dust on-line monitoring circuitry workflow diagram of the present invention.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Figure 1, the utility model provides a kind of binary channels air airborne dust on-line monitoring equipment, and it comprises: detect gas inlet 2, PM10 cutter 3, first solenoid valve 4, second solenoid valve 5, first dirt sample detecting device 6, second dirt sample detecting device 9;
Detect gas inlet 2 gas outlet and two gas outlets are set, downtake pipe one end connects detects gas inlet 2 gas outlet, the described downtake pipe other end connects the first solenoid valve 4 air inlet control end, described first solenoid valve 4 gas exhaust inspecting end connects the first dirt sample detecting device 6 by pipeline, detect gas to discharge from the vent port of the first dirt sample detecting device 6, second exhaust pipe one end connects detects gas inlet 2 gas outlet, the described second exhaust pipe other end connects the second solenoid valve 5 air inlet control end, described second solenoid valve 5 gas exhaust inspecting end connects the second dirt sample detecting device 9 by pipeline, detect gas to discharge from the vent port of the second dirt sample detecting device 9.
Described binary channels air airborne dust on-line monitoring equipment, preferably, also comprises filtered air inlet 1;
Described filtered air inlet 1 inside arranges screen pack, and the exhausr port of described filtered air inlet 1 connects the air inlet control end of the first solenoid valve 4 and the second solenoid valve 5 respectively by pipeline.
Described binary channels air airborne dust on-line monitoring equipment, preferably, also comprises the first aspiration pump 12, first air strainer 14,
Described first dirt sample detecting device 6 exhausr port connects the first aspiration pump 12 by pipeline; described first aspiration pump 12 arranges exhausr port and return air inlet; portion gas is discharged by described exhausr port; described return air inlet connects the first air strainer 14 by pipeline; described first air strainer 14 air outlet connects the first dirt sample detecting device 6 air intake opening, and the gas refluxed by the first aspiration pump 12 is become clean gas and imports the formation of the dust-contained airflow before entering the first dirt sample detecting device 6 protection gas sheath after air strainer.
Described binary channels air airborne dust on-line monitoring equipment, preferably, also comprises the second aspiration pump 13, second air strainer 15;
Described second dirt sample detecting device 9 exhausr port connects the second aspiration pump 13 by pipeline; described second aspiration pump 13 arranges exhausr port and return air inlet; portion gas is discharged by described exhausr port; described return air inlet connects the second air strainer 15 by pipeline; described second air strainer 15 air outlet connects the second dirt sample detecting device 9 air intake opening, and the gas refluxed by the second aspiration pump 13 is become clean gas and imports the formation of the dust-contained airflow before entering the second dirt sample detecting device 9 protection gas sheath after air strainer.
Described binary channels air airborne dust on-line monitoring equipment, preferably, described first dirt sample detecting device 6 comprises: the first laser generator 7 and the first light trapping 8;
Arrange the first laser generator 7 and the first light trapping 8 between first dirt sample detecting device 6 air intake opening and gas outlet, described first laser generator 7 and the first light trapping 8 are oppositely arranged.
Described binary channels air airborne dust on-line monitoring equipment, preferably, described second dirt sample detecting device 9 comprises: the second laser generator 10 and the second light trapping 11;
Arrange the second laser generator 10 and the second light trapping 11 between second dirt sample detecting device 9 air intake opening and gas outlet, described second laser generator 10 and the second light trapping 11 are oppositely arranged.
As shown in Figure 2, described binary channels air airborne dust on-line monitoring equipment, preferably, also comprises: microprocessor, analog to digital converter, GPRS module;
Described first dirt sample detecting device 6 data acquisition end connects microprocessor data end, described second dirt sample detecting device 9 data acquisition end connects microprocessor data end, described first solenoid valve 4 control end connects microprocessor solenoid control end, described second solenoid valve 5 control end connects microprocessor solenoid control end, described microprocessor data transmission ends connects GPRS module data transmission terminal, steering order end connects microprocessor signals control end by analog to digital converter, and steering order is sent to microprocessor by analog to digital converter by described steering order end.
The equipment of this three-D space structure or the composition of product:
Metal shell; LED display; Sampling by filtration head 1, common sampling head 2; PM10 cyclonic separation 3; Two solenoid valves 4,5; Two laser Chen Yang sensing chamber 6,9, comprise generating laser, laser mirror, laser receiver, light trapping, photoelectric conversion module; Two cover electrical signal processing system; Two air strainers 14,15; Two aspiration pumps 12,13.
Principle of work:
Calibration: the gas circuit that electromagnetic valve for adjusting 4,5 makes calibration function corresponding is communicated with aspiration pump, start aspiration pump, air is filtered into after clean gas through sampling head 1 and enters monitor, two-way is divided into enter two laser Chen Yang sensing chamber 6,9 respectively in monitor inside, background values when being 0 that the measured value now obtained is dust concentration.
Detect: the gas circuit that electromagnetic valve for adjusting 4,5 makes measuring ability corresponding is communicated with aspiration pump, start aspiration pump, air enters after monitor through sampling head 2 and is divided into two-way air-flow 20,21, and 20 directly enter laser Chen Yang sensing chamber 6,21 enters laser Chen Yang sensing chamber 9 after PM10 cutting head 3 cuts.In two laser Chen Yang sensing chamber, laser meets dust-contained airflow generation scattering, scattered light by light harvesting catoptron trapping after through photodiode converts be electric signal, it is Atmospheric particulates mass concentration that electric signal is exported by subsequent conditioning circuit process, by the dust-contained airflow of laser Chen Yang sensing chamber by aspiration pump 12, 13 are divided into two-way, wherein a road becomes clean gas and imports and enter the dust-contained airflow before laser Chen Yang sensing chamber and form protection gas sheath after air strainer, when making dust-contained airflow enter optical detection room in order and do not pollute optical chamber, monitor is directly discharged in an other road.
1: filtered air inlet
2: air intake opening
3:PM10 cutter
4,5: solenoid valve
6,9: dirt sample detecting device
7,10: laser generator
8,11: light trapping
12,13: aspiration pump
14,15: air strainer
16, humiture probe
The said equipment software section is well known to those skilled in the art.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (7)
1. a binary channels air airborne dust on-line monitoring equipment, it is characterized in that, comprising: detect gas inlet (2), PM10 cutter (3), the first solenoid valve (4), the second solenoid valve (5), the first dirt sample detecting device (6), the second dirt sample detecting device (9);
Detect gas inlet (2) gas outlet and two gas outlets are set, downtake pipe one end connects detects gas inlet (2) gas outlet, the described downtake pipe other end connects the first solenoid valve (4) air inlet control end, described first solenoid valve (4) gas exhaust inspecting end connects the first dirt sample detecting device (6) by pipeline, detect gas to discharge from the vent port of the first dirt sample detecting device (6), second exhaust pipe one end connects detects gas inlet (2) gas outlet, the described second exhaust pipe other end connects the second solenoid valve (5) air inlet control end, described second solenoid valve (5) gas exhaust inspecting end connects the second dirt sample detecting device (9) by pipeline, detect gas to discharge from the vent port of the second dirt sample detecting device (9).
2. binary channels air airborne dust on-line monitoring equipment according to claim 1, is characterized in that, also comprise filtered air inlet (1);
Described filtered air inlet (1) inside arranges screen pack, and the exhausr port of described filtered air inlet (1) connects the air inlet control end of the first solenoid valve (4) and the second solenoid valve (5) respectively by pipeline.
3. binary channels air airborne dust on-line monitoring equipment according to claim 1, is characterized in that, also comprise the first aspiration pump (12), the first air strainer (14),
Described first dirt sample detecting device (6) exhausr port connects the first aspiration pump (12) by pipeline, described first aspiration pump (12) arranges exhausr port and return air inlet, portion gas is discharged by described exhausr port, described return air inlet connects the first air strainer (14) by pipeline, described first air strainer (14) air outlet connects the first dirt sample detecting device (6) air intake opening, the gas refluxed by the first aspiration pump (12) is become clean gas remittance and enters the front dust-contained airflow formation protection gas sheath of the first dirt sample detecting device (6) after air strainer.
4. binary channels air airborne dust on-line monitoring equipment according to claim 1, is characterized in that, also comprise the second aspiration pump (13), the second air strainer (15);
Described second dirt sample detecting device (9) exhausr port connects the second aspiration pump (13) by pipeline, described second aspiration pump (13) arranges exhausr port and return air inlet, portion gas is discharged by described exhausr port, described return air inlet connects the second air strainer (15) by pipeline, described second air strainer (15) air outlet connects the second dirt sample detecting device (9) air intake opening, the gas refluxed by the second aspiration pump (13) is become clean gas remittance and enters the front dust-contained airflow formation protection gas sheath of the second dirt sample detecting device (9) after air strainer.
5. binary channels air airborne dust on-line monitoring equipment according to claim 1, is characterized in that, described first dirt sample detecting device (6) comprising: the first laser generator (7) and the first light trapping (8);
First dirt sample detecting device (6) arranges the first laser generator (7) and the first light trapping (8) between air intake opening and gas outlet, described first laser generator (7) and the first light trapping (8) are oppositely arranged.
6. binary channels air airborne dust on-line monitoring equipment according to claim 1, is characterized in that, described second dirt sample detecting device (9) comprising: the second laser generator (10) and the second light trapping (11);
Second dirt sample detecting device (9) arranges the second laser generator (10) and the second light trapping (11) between air intake opening and gas outlet, described second laser generator (10) and the second light trapping (11) are oppositely arranged.
7. binary channels air airborne dust on-line monitoring equipment according to claim 1, is characterized in that, also comprise: microprocessor, analog to digital converter, GPRS module;
Described first dirt sample detecting device (6) data acquisition end connects microprocessor data end, described second dirt sample detecting device (9) data acquisition end connects microprocessor data end, described first solenoid valve (4) control end connects microprocessor solenoid control end, described second solenoid valve (5) control end connects microprocessor solenoid control end, described microprocessor data transmission ends connects GPRS module data transmission terminal, steering order end connects microprocessor signals control end by analog to digital converter, steering order is sent to microprocessor by analog to digital converter by described steering order end.
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| CN106053309A (en) * | 2016-07-08 | 2016-10-26 | 上汽大众汽车有限公司 | PM 2.5 (particulate matter 2.5) sensor and automatic calibration method thereof |
| CN106990016A (en) * | 2017-04-21 | 2017-07-28 | 上海赛菲环境科技股份有限公司 | A kind of dust 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 |
| CN107664613A (en) * | 2017-11-03 | 2018-02-06 | 厦门美时美克空气净化有限公司 | A kind of dust sensor |
| CN108279193A (en) * | 2017-12-11 | 2018-07-13 | 中国计量大学 | Dusty gas concentration detection apparatus based on integrating sphere |
| CN108956405A (en) * | 2018-09-21 | 2018-12-07 | 云南武易高速公路建设指挥部 | A kind of engineering construction atmospheric environment dust monitoring method |
| CN109060706A (en) * | 2018-09-21 | 2018-12-21 | 云南武易高速公路建设指挥部 | A kind of atmospheric environment carbon dioxide monitoring device for highway engineering |
| CN109060621A (en) * | 2018-09-21 | 2018-12-21 | 云南武易高速公路建设指挥部 | A kind of monitoring device of powder-like waste for highway engineering |
| CN109060622A (en) * | 2018-09-21 | 2018-12-21 | 云南武易高速公路建设指挥部 | A kind of atmospheric environment lung particulate matter monitoring device for engineering construction |
| CN109239272A (en) * | 2018-09-21 | 2019-01-18 | 中国科学院地质与地球物理研究所 | A kind of vehicle-mounted removable highway construction Atmosphere Environment Monitoring System Bases |
| CN109239270A (en) * | 2018-09-21 | 2019-01-18 | 中国科学院地质与地球物理研究所 | A kind of highway engineering atmospheric environment carbon dioxide monitoring method |
| CN109239271A (en) * | 2018-09-21 | 2019-01-18 | 中国科学院地质与地球物理研究所 | A kind of vehicular engineering construction air quality monitoring method |
| CN109238932A (en) * | 2018-09-21 | 2019-01-18 | 中国科学院地质与地球物理研究所 | A kind of highway engineering atmospheric environment lung particulate matter monitoring method |
| CN115264609A (en) * | 2021-04-29 | 2022-11-01 | 韦氏（苏州）医疗科技有限公司 | Clean wisdom operating room |
| CN115307212A (en) * | 2021-05-08 | 2022-11-08 | 韦氏（苏州）医疗科技有限公司 | Informationized clean operating room |
| WO2024055377A1 (en) * | 2022-09-15 | 2024-03-21 | 厦门美时美克空气净化有限公司 | Single-laser dual-channel dust sensor |
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2015
- 2015-08-28 CN CN201520661581.3U patent/CN204831979U/en active Active
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106053309A (en) * | 2016-07-08 | 2016-10-26 | 上汽大众汽车有限公司 | PM 2.5 (particulate matter 2.5) sensor and automatic calibration method thereof |
| 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 |
| CN106990016A (en) * | 2017-04-21 | 2017-07-28 | 上海赛菲环境科技股份有限公司 | A kind of dust sensor |
| CN107664613A (en) * | 2017-11-03 | 2018-02-06 | 厦门美时美克空气净化有限公司 | A kind of dust sensor |
| CN107664613B (en) * | 2017-11-03 | 2024-05-14 | 厦门美时美克空气净化有限公司 | Dust sensor |
| CN108279193A (en) * | 2017-12-11 | 2018-07-13 | 中国计量大学 | Dusty gas concentration detection apparatus based on integrating sphere |
| CN109239270A (en) * | 2018-09-21 | 2019-01-18 | 中国科学院地质与地球物理研究所 | A kind of highway engineering atmospheric environment carbon dioxide monitoring method |
| CN109060622A (en) * | 2018-09-21 | 2018-12-21 | 云南武易高速公路建设指挥部 | A kind of atmospheric environment lung particulate matter monitoring device for engineering construction |
| CN109239272A (en) * | 2018-09-21 | 2019-01-18 | 中国科学院地质与地球物理研究所 | A kind of vehicle-mounted removable highway construction Atmosphere Environment Monitoring System Bases |
| CN109060621A (en) * | 2018-09-21 | 2018-12-21 | 云南武易高速公路建设指挥部 | A kind of monitoring device of powder-like waste for highway engineering |
| CN109239271A (en) * | 2018-09-21 | 2019-01-18 | 中国科学院地质与地球物理研究所 | A kind of vehicular engineering construction air quality monitoring method |
| CN109238932A (en) * | 2018-09-21 | 2019-01-18 | 中国科学院地质与地球物理研究所 | A kind of highway engineering atmospheric environment lung particulate matter monitoring method |
| CN109060622B (en) * | 2018-09-21 | 2021-02-05 | 云南武易高速公路建设指挥部 | Atmospheric environment accessible lung particulate monitoring device for engineering construction |
| CN109060621B (en) * | 2018-09-21 | 2021-03-02 | 云南武易高速公路建设指挥部 | A dust monitoring devices for highway engineering |
| CN109060706A (en) * | 2018-09-21 | 2018-12-21 | 云南武易高速公路建设指挥部 | A kind of atmospheric environment carbon dioxide monitoring device for highway engineering |
| CN108956405A (en) * | 2018-09-21 | 2018-12-07 | 云南武易高速公路建设指挥部 | A kind of engineering construction atmospheric environment dust monitoring method |
| CN115264609A (en) * | 2021-04-29 | 2022-11-01 | 韦氏（苏州）医疗科技有限公司 | Clean wisdom operating room |
| CN115307212A (en) * | 2021-05-08 | 2022-11-08 | 韦氏（苏州）医疗科技有限公司 | Informationized clean operating room |
| WO2024055377A1 (en) * | 2022-09-15 | 2024-03-21 | 厦门美时美克空气净化有限公司 | Single-laser dual-channel dust sensor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |