CN209471016U - A kind of portable dust concentration detector - Google Patents
A kind of portable dust concentration detector Download PDFInfo
- Publication number
- CN209471016U CN209471016U CN201821925709.2U CN201821925709U CN209471016U CN 209471016 U CN209471016 U CN 209471016U CN 201821925709 U CN201821925709 U CN 201821925709U CN 209471016 U CN209471016 U CN 209471016U
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- Prior art keywords
- test bar
- host
- dust concentration
- dust
- wiring board
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Abstract
The utility model discloses a kind of portable dust concentration detectors, comprising: host and test bar, the host are connected with test bar by connecting line；The test bar is for acquiring dust laden air, dust particles in content air generate reflected light after the laser light source irradiation in test bar, the reflected light is transmitted to the wiring board mainboard in host after signal processing is transformed into electric signal by connecting line, signal is handled by wiring board mainboard chip, and dust concentration value is calculated by house software.It is separated by the above-mentioned means, the utility model will sample section with data Analysis Block, cancels aspiration pump and filter membrane, and dust concentration is detected using reflection method, measurement accuracy is high, and can detect unlike material dust concentration value, and applicability is wide.
Description
Technical field
The utility model relates to dust concentration detector technical fields, detect more particularly to a kind of portable dust concentration
Instrument.
Background technique
Existing direct-reading dust concentration measuring instrument draws dust laden air using aspiration pump, is then captured in air using filter membrane
Dust, recycle light dialysis or β ray method detection present air in dust concentration value.Wherein it is empty to extract dust-laden for aspiration pump
Throughput can there is a certain error, and the defect that filter membrane is unstable there is also the thickness uniformity, keeps Instrument measuring precision low, no
Conducive to the detection of high-precision dust concentration.And dust concentration is detected using light dialysis or β ray method, all there is unlike material
The light permeable rate of dust particles, each β radiation absorption rate are all different, can only detect the dust concentration of single substance.
Utility model content
The utility model mainly solving the technical problems that provide a kind of portable dust concentration detector, will sampling section with
The separation of data Analysis Block cancels aspiration pump and filter membrane, and detects dust concentration using reflection method, and measurement accuracy is high, and can examine
Unlike material dust concentration value is surveyed, applicability is wide.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of portable dust
Concentration detector, comprising: host and test bar, the host are connected with test bar by connecting line；The test bar is for adopting
Collect dust laden air, the dust particles in content air generate reflected light, the reflection after the laser light source irradiation in test bar
Light is transmitted to the wiring board mainboard in host by connecting line after signal processing is transformed into electric signal, by wiring board mainboard chip
Signal is handled, and dust concentration value is calculated by house software.
In one preferred embodiment of the utility model, the host includes the software switch and liquid crystal being mounted on shell
Display and it is mounted on the intracorporal lithium battery of shell, wiring board mainboard and charging and signal transmission interface, the software switch is used
In the input for the switching on and shutting down and instructions for providing detector, the liquid crystal display is for showing detector various functions and inspection
Numerical value is surveyed, for the lithium battery for powering, the wiring board mainboard is for stable power-supplying voltage and test bar output signal and leads to
It crosses in house software and calculates dust concentration value, the charging and signal transmission interface connecting detection instrument charger or to connect computer whole
Hold uploading detection result；The test bar includes laser light source, light stability section, detection section, extinction section, fluorescence detector and letter
Number receiver board, the laser light source provide laser beam, and the light stability section processing laser beam keeps light stability uniform, institute
It states detection section and is irradiated on the dust particles being located in the dust laden air of detection section and produces for acquiring dust laden air, laser beam
Raw reflected light, the extinction section is by the straight light absorption that laser light source issues and removes non-reflected light, and the fluorescence detector will
The reflected light received is converted to electric signal, the wiring board mainboard in host is transferred to by connecting line, by wiring board mainboard core
Piece handles signal, calculates dust concentration value by house software.
The beneficial effects of the utility model are: the utility model, which is abandoned, drew dust laden air using aspiration pump in the past, then adopt
Sampling section is separated with data Analysis Block, directly acquires dust-laden using test bar by the mode that the dust in air is captured with filter membrane
Then air samples reflection method and detects dust concentration, measurement accuracy is high, and can detect unlike material dust concentration value, is applicable in
Property is wide.
Detailed description of the invention
Fig. 1 is a kind of main view of the host of portable dust concentration detector of the utility model；
Fig. 2 is the left section view of host shown in FIG. 1；
Fig. 3 is a kind of main sectional view of the test bar of portable dust concentration detector of the utility model；
The components in the drawings are labeled as follows: 1, host, 11, shell, 12, software switch, 13, liquid crystal display, 14, lithium
Battery, 15, wiring board mainboard, 16, charging and signal transmission interface, 2, test bar, 21, laser light source, 22, light stability section,
23, section, 24, extinction section, 25, fluorescence detector, 26, signal receiving board, 3, connecting line are detected.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, the utility model embodiment includes:
A kind of portable dust concentration detector, comprising: host 1 and test bar 2, the host 1 and test bar 2 pass through company
Wiring 3 connects；The test bar 2 is for acquiring dust laden air, and the dust particles in content air are through the laser light in test bar 2
Reflected light is generated after the irradiation of source, the reflected light is transmitted to the wiring board in host 1 after signal processing is transformed into electric signal again
Mainboard 15 handles signal by wiring board mainboard chip, and calculates dust concentration value by house software.
Specifically, the host 1 includes the software switch 12 being mounted on shell 11 and liquid crystal display 13 and installation
Lithium battery 14, wiring board mainboard 15 and charging and signal transmission interface 16 in shell 11, the software switch 12 is for mentioning
The input of switching on and shutting down and instructions for detector, the liquid crystal display 13 is for showing detector various functions and detection
Numerical value, the lithium battery 14 for powering, the wiring board mainboard 15 for stable power-supplying voltage and test bar output signal, simultaneously
Dust concentration value is calculated by house software, the charging connect host charger or connection computer with signal transmission interface 16
Terminal uploading detection result；The test bar 2 includes laser light source 21, light stability section 22, detection section 23, extinction section 24, light
Detector 25 and signal receiving board 26 are learned, the laser light source 21 provides laser beam, and the light stability section 22 handles laser
Light beam keeps light stability uniform, and for acquiring dust laden air, laser beam is irradiated to be located in detection section 23 the detection section 23
Dust laden air in dust particles on and generate reflected light, the straight light absorption that the extinction section 24 issues laser light source is simultaneously
Non-reflected light is removed, the reflected light received is converted to electric signal, is transferred to master by connecting line 3 by the fluorescence detector 25
Wiring board mainboard 15 in machine 1 handles signal by wiring board mainboard chip, calculates dust concentration value by house software.
The utility model, which is abandoned, drew dust laden air using aspiration pump in the past, then captured the dust in air using filter membrane
Sampling section is separated with data Analysis Block, directly acquires dust laden air using test bar, then sample reflection method detection by mode
Dust concentration, measurement accuracy is high, and can detect unlike material dust concentration value, and applicability is wide.
In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "inner", "outside" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship usually put, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.The above descriptions are merely preferred embodiments of the present invention, and it is practical new to be not limited to this
Type, for those skilled in the art, the present invention may have various modifications and changes.All essences in the utility model
Mind and principle within, any modification, equivalent replacement, improvement and so on, should be included in the protection scope of the utility model it
It is interior.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (2)
1. a kind of portable dust concentration detector characterized by comprising host and test bar, the host and test bar
It is connected by connecting line；The test bar is for acquiring dust laden air, and the dust particles in content air are through swashing in test bar
Reflected light is generated after radiant irradiation, the reflected light is transmitted to host by connecting line after signal processing is transformed into electric signal
Interior wiring board mainboard, the test bar include laser light source, light stability section, detection section, extinction section, fluorescence detector and letter
Number receiver board, the laser light source provide laser beam, and the light stability section processing laser beam keeps light stability uniform, institute
It states detection section and is irradiated on the dust particles being located in the dust laden air of detection section and produces for acquiring dust laden air, laser beam
Raw reflected light, the extinction section is by the straight light absorption that laser light source issues and removes non-reflected light, and the fluorescence detector will
The reflected light received is converted to electric signal, the wiring board mainboard being transferred in host by connecting line.
2. portable dust concentration detector according to claim 1, which is characterized in that the host includes being mounted on shell
It software switch and liquid crystal display on body and is mounted on the intracorporal lithium battery of shell, wiring board mainboard and charging and is passed with signal
Defeated interface, for providing the switching on and shutting down of detector and the input of instructions, the liquid crystal display is used for the software switch
Show detector various functions and detection numerical value, the lithium battery is for powering, and the wiring board mainboard is for stable power-supplying electricity
Pressure and test bar output signal simultaneously calculate dust concentration value by house software, and the charging is connect with signal transmission interface
Detector charger or connection computer terminal uploading detection result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821925709.2U CN209471016U (en) | 2018-11-22 | 2018-11-22 | A kind of portable dust concentration detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821925709.2U CN209471016U (en) | 2018-11-22 | 2018-11-22 | A kind of portable dust concentration detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209471016U true CN209471016U (en) | 2019-10-08 |
Family
ID=68088637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821925709.2U Active CN209471016U (en) | 2018-11-22 | 2018-11-22 | A kind of portable dust concentration detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209471016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116609494A (en) * | 2023-07-21 | 2023-08-18 | 泉州翔龙石化有限公司 | Detection device and detection method for rapidly detecting concentration of sodium hydroxide in liquid alkali |
-
2018
- 2018-11-22 CN CN201821925709.2U patent/CN209471016U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116609494A (en) * | 2023-07-21 | 2023-08-18 | 泉州翔龙石化有限公司 | Detection device and detection method for rapidly detecting concentration of sodium hydroxide in liquid alkali |
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