CN209542382U - A kind of apparatus for measuring dust concentration - Google Patents
A kind of apparatus for measuring dust concentration Download PDFInfo
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- CN209542382U CN209542382U CN201920179287.7U CN201920179287U CN209542382U CN 209542382 U CN209542382 U CN 209542382U CN 201920179287 U CN201920179287 U CN 201920179287U CN 209542382 U CN209542382 U CN 209542382U
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- induction electrode
- electrically connected
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- pipe fitting
- signal output
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Abstract
The utility model discloses a kind of apparatus for measuring dust concentration, comprising: casing, induction electrode and single-chip microcontroller；The induction electrode is arranged in described sleeve pipe；The both ends of described sleeve pipe penetrate through；There is air inlet on the side wall of described sleeve pipe；The signal output end of the induction electrode and the signal input part of single-chip microcontroller are electrically connected.High pressure gas is from air inlet sleeve pipe, dust on induction electrode is purged, to realize the cleaning function of induction electrode, solves the technical issues of induction sensitivity decline of metal inductive rod in the prior art, it is allowed to adapt to the long-time DATA REASONING of certain specific high concentrate dust operation intervals, maintenance period is long, and measurement accuracy is high.
Description
Technical field
The utility model relates to environmental technology field more particularly to a kind of apparatus for measuring dust concentration.
Background technique
Currently, dust harzard is got worse, improvement is very urgent, and dust detection is the indispensable link for the treatment of flour dust.
Currently, existing dust concentration detection device in metal inductive rod by being arranged induction casing, and then induction metal inductive rod
On charge, disturb the charge in metal inductive rod, so generate represent charge disturbance ac signal.By right
Ac signal, which carries out analysis, can measure dust concentration.
Currently, shortcoming existing for existing dust concentration monitoring method is:
Without self-cleaning function, metal inductive rod measures for a long time under high concentrate dust environment, and dust can fall on metal sense
The surface of stick is answered, so that the induction sensitivity of metal inductive rod declines, long-time service will lead to measurement data inaccuracy, to lead
Cause obtained dust concentration inaccuracy.
Utility model content
The utility model solves the sense of metal inductive rod in the prior art by providing a kind of apparatus for measuring dust concentration
The technical issues of answering sensitivity to decline realizes the technical effect for guaranteeing the accuracy of measurement data.
The utility model provides a kind of apparatus for measuring dust concentration, comprising: casing, induction electrode and single-chip microcontroller；It is described
Induction electrode is arranged in described sleeve pipe；The both ends of described sleeve pipe penetrate through；There is air inlet on the side wall of described sleeve pipe；The sense
The signal input part of the signal output end and the single-chip microcontroller of answering electrode is electrically connected.
Further, further includes: spiral shell hoop；Described sleeve pipe includes: the first hollow pipe fitting and the second hollow pipe fitting；Described first
The inner wall of hollow pipe fitting has boss structure；There is internal screw thread in the inner wall end of first hollow pipe fitting；The induction electrode setting
In first hollow pipe fitting, and one end of the induction electrode is contacted with the boss structure；The outer wall of the spiral shell hoop has
External screw thread；The outer wall of the spiral shell hoop is connect with the inner wall end thread of first hollow pipe fitting, the induction electrode it is another
The end thereof contacts at end and the spiral shell hoop；Second hollow pipe fitting is connect with the other end of the spiral shell hoop；It is hollow described second
There is the air inlet on the side wall of pipe fitting.
Further, further includes: insulating materials；The insulating materials setting is hollow in the induction electrode and described first
Between the inner wall of pipe fitting.
Further, further includes: charge release；The electric current port of the charge release and the electricity of the induction electrode
Flow port is electrically connected.
Further, further includes: locating module；The locating module is connect with the single-chip microcontroller two-way signaling.
Further, further includes: amplifier；The signal of the signal input part of the amplifier and the induction electrode exports
End is electrically connected, and the signal input part of the signal output end of the amplifier and the single-chip microcontroller is electrically connected.
Further, further includes: filter；The signal output end of the signal input part of the filter and the amplifier
It is electrically connected, the signal input part of the signal output end of the filter and the single-chip microcontroller is electrically connected.
Further, further includes: voltage follower；The letter of the signal input part of the voltage follower and the filter
Number output end is electrically connected, and the signal input part of the signal output end of the voltage follower and the single-chip microcontroller is electrically connected.
Further, further includes: analog-digital converter；The signal input part of the analog-digital converter and the voltage follower
Signal output end be electrically connected, the signal output end of the analog-digital converter and the signal input part of the single-chip microcontroller electrically connect
It connects.
Further, further includes: high-pressure pump；The gas output end of the high-pressure pump is connected to the air inlet.
The one or more technical solutions provided in the utility model, have at least the following technical effects or advantages:
Induction electrode is arranged in casing；The both ends of casing penetrate through；There is air inlet on the side wall of casing；Induction electrode
Signal output end and single-chip microcontroller signal input part be electrically connected.High pressure gas is from air inlet sleeve pipe, to induction electrode
On dust purged, to realize the cleaning function of induction electrode, solve the induction of metal inductive rod in the prior art
The technical issues of sensitivity declines, is allowed to adapt to the long-time DATA REASONING of certain specific high concentrate dust operation intervals, ties up
The shield period is long, and measurement accuracy is high.
Detailed description of the invention
Fig. 1 is the portion of external structural schematic diagram of apparatus for measuring dust concentration provided by the embodiment of the utility model；
Fig. 2 is the working principle diagram of apparatus for measuring dust concentration provided by the embodiment of the utility model；
Wherein, 1- induction electrode, 2- air inlet, 3- spiral shell hoop, the first hollow pipe fitting of 4-, the second hollow pipe fitting of 5-, 6- boss
Structure, 7- insulating materials.
Specific embodiment
The utility model embodiment solves metal induction in the prior art by providing a kind of apparatus for measuring dust concentration
The technical issues of induction sensitivity decline of stick, realize the technical effect for guaranteeing the accuracy of measurement data.
The technical scheme in the embodiment of the utility model is to solve the above problems, general thought is as follows:
Induction electrode is arranged in casing；The both ends of casing penetrate through；There is air inlet on the side wall of casing；Induction electrode
Signal output end and single-chip microcontroller signal input part be electrically connected.High pressure gas is from air inlet sleeve pipe, to induction electrode
On dust purged, to realize the cleaning function of induction electrode, solve the induction of metal inductive rod in the prior art
The technical issues of sensitivity declines, is allowed to adapt to the long-time DATA REASONING of certain specific high concentrate dust operation intervals, ties up
The shield period is long, and measurement accuracy is high.
Above-mentioned technical proposal in order to better understand, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
Referring to Fig. 1 and Fig. 2, apparatus for measuring dust concentration provided by the embodiment of the utility model, comprising: casing, induced electricity
Pole 1 and single-chip microcontroller；Induction electrode 1 is arranged in casing；The both ends of casing penetrate through；There is air inlet 2 on the side wall of casing；Induction
The signal output end of electrode 1 and the signal input part of single-chip microcontroller are electrically connected.
The structure of apparatus for measuring dust concentration provided by the embodiment of the utility model is specifically described, further includes: spiral shell
Hoop 3；Casing includes: the first hollow pipe fitting 4 and the second hollow pipe fitting 5；The inner wall of first hollow pipe fitting 4 has boss structure 6；First
There is internal screw thread in the inner wall end of hollow pipe fitting 4；Induction electrode 1 is arranged in the first hollow pipe fitting 4, and one end of induction electrode 1
It is contacted with boss structure 6；The outer wall of spiral shell hoop 3 has external screw thread；The inner wall end thread of the outer wall of spiral shell hoop 3 and the first hollow pipe fitting 4
Connection, the other end of induction electrode 1 and the end thereof contacts of spiral shell hoop 3；Second hollow pipe fitting 5 is connect with the other end of spiral shell hoop 3；?
There is air inlet 2 on the side wall of two hollow pipe fittings 5.Spiral shell hoop 3 applies the power towards boss structure 6 to induction electrode 1, by induction electrode
1 fastening.
Specifically, the aperture on the first hollow pipe fitting 4, the signal output end of induction electrode 1 is drawn, the letter with single-chip microcontroller
Number input terminal is electrically connected.
The structure of apparatus for measuring dust concentration provided by the embodiment of the utility model is further described, further includes:
High-pressure pump；The gas output end of high-pressure pump is connected to air inlet 2.
In order to improve the automatization level of apparatus for measuring dust concentration provided by the embodiment of the utility model, the letter of single-chip microcontroller
The signal input part signal of number output end and high-pressure pump connects.
In order to which induction electrode 1 and internal surface of sleeve pipe insulate, surveyed with improving dust concentration provided by the embodiment of the utility model
Measure the measurement accuracy of device, further includes: insulating materials 7；Insulating materials 7 is arranged in induction electrode 1 and the first hollow pipe fitting 4
Between wall.
In the present embodiment, insulating materials 7 is polytetrafluoroethylplastic plastic.
In order to discharge the residual charge on induction electrode 1, dust provided by the embodiment of the utility model is further increased
The measurement accuracy of apparatus for measuring concentration, further includes: charge release；The electric current port of charge release and the electricity of induction electrode 1
Flow port is electrically connected.
In order to which the geographical location to powder concentration measurement is monitored, to improve dust provided by the embodiment of the utility model
The practicability of apparatus for measuring concentration, further includes: locating module；Locating module is connect with single-chip microcontroller two-way signaling.When in use,
Apparatus for measuring dust concentration provided by the embodiment of the utility model can be placed in any position, to realize to various regions dust
The measurement of concentration.
In order to which the output signal of induction electrode 1 is amplified, further includes: amplifier；The signal input part of amplifier with
The signal output end of induction electrode 1 is electrically connected, and the signal output end of amplifier and the signal input part of single-chip microcontroller are electrically connected.
In order to be filtered to the amplified signal of amplifier, to eliminate noise, it is real further to improve the utility model
Apply the measurement accuracy of the apparatus for measuring dust concentration of example offer, further includes: filter；The signal input part and amplifier of filter
Signal output end be electrically connected, the signal input part of the signal output end of filter and single-chip microcontroller is electrically connected.
For the output of burning voltage signal, further includes: voltage follower；The signal input part of voltage follower and filtering
The signal output end of device is electrically connected, and the signal output end of voltage follower and the signal input part of single-chip microcontroller are electrically connected.
In order to realize the analog-to-digital conversion of measuring signal, further includes: analog-digital converter；The signal input part of analog-digital converter with
The signal output end of voltage follower is electrically connected, and the signal output end of analog-digital converter and the signal input part of single-chip microcontroller are electrical
Connection.
In order to be shown to the dust concentration data measured, further includes: display module；The signal input part of display module
It is electrically connected with the signal output end of single-chip microcontroller.
In order to be stored to the dust concentration data measured, further includes: memory module；The signal input part of memory module
It is electrically connected with the signal output end of single-chip microcontroller.
Further, further includes: clock module；Clock module is connect with single-chip microcontroller two-way signaling.
In the present embodiment, the STM32F103C8T6 that the model of single-chip microcontroller is produced by ST Microelectronics.High pressure gas
Pump is the brushless air pump of big wind-force.Locating module is GPS positioning module.Display module is liquid crystal display.Memory module is USB flash disk.
The working principle of apparatus for measuring dust concentration provided by the embodiment of the utility model is illustrated:
Single-chip microcontroller controls induction electrode 1 of the air pump periodically into casing and blows high pressure gas, will glue on induction electrode 1
The dust blowout casing fallen.After air pump blown work stops, due to the effect of negative pressure inertia, new outside casing has dust
Air enter in the hole of induction electrode 1.The signal lead of induction electrode 1 and the signal input part of amplifier connect, amplifier
The charge signal of induction electrode 1 is amplified and converted to voltage signal.The signal of amplifier is output to filter, and filter is to letter
Number carry out differential filter, integral filtering and clutter filtering.The complete signal of filter process is linked into voltage follower, voltage follow
Device is responsible for the output of burning voltage signal, and the voltage signal of voltage follower output is linked into analog-digital converter and carries out analog-to-digital conversion,
The complete data of analog-to-digital conversion are taken by monolithic is machine-readable, and the dust concentration data after data processing is transferred to liquid crystal display and carried out by single-chip microcontroller
Display.In addition, single-chip microcontroller also reads the location data of GPS positioning module and the clock data of clock module, and combines and obtain
Dust concentration data is written to USB flash disk and is stored, to realize the measurement to each position dust concentration.
[technical effect]
1, induction electrode 1 is arranged in casing；The both ends of casing penetrate through；There is air inlet 2 on the side wall of casing；Induction
The signal output end of electrode 1 and the signal input part of single-chip microcontroller are electrically connected.High pressure gas is from 2 sleeve pipe of air inlet, to sense
It answers the dust on electrode 1 to be purged, to realize the cleaning function of induction electrode 1, solves metal induction in the prior art
It the technical issues of induction sensitivity decline of stick, is allowed to adapt to the long-time data of certain specific high concentrate dust operation intervals
Measurement, maintenance period is long, and measurement accuracy is high.
2, between induction electrode 1 and the inner wall of the first hollow pipe fitting 4 be arranged insulating materials 7, realize induction electrode 1 with
Insulation between internal surface of sleeve pipe improves the measurement accuracy of apparatus for measuring dust concentration provided by the embodiment of the utility model.
3, by the use to charge release, the residual charge on induction electrode 1 is discharged, is further increased
The measurement accuracy of apparatus for measuring dust concentration provided by the embodiment of the utility model.
4, by the use to locating module, the monitoring to the geographical location of powder concentration measurement is realized, improves this
The practicability for the apparatus for measuring dust concentration that utility model embodiment provides.
5, by the use to filter, the filtering to signal is realized, noise is eliminated, further improves this reality
With the measurement accuracy for the apparatus for measuring dust concentration that new embodiment provides.
6, by the use to voltage follower, the output of voltage signal is stabilized, device is protected.
7, by the use to display module, the display to the dust concentration data measured is realized.
8, by the use to memory module, the storage to the dust concentration data measured is realized.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications may be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (10)
1. a kind of apparatus for measuring dust concentration characterized by comprising casing, induction electrode and single-chip microcontroller；The induction electrode
It is arranged in described sleeve pipe；The both ends of described sleeve pipe penetrate through；There is air inlet on the side wall of described sleeve pipe；The induction electrode
The signal input part of signal output end and the single-chip microcontroller is electrically connected.
2. device as described in claim 1, which is characterized in that further include: spiral shell hoop；Described sleeve pipe includes: the first hollow pipe fitting
With the second hollow pipe fitting；The inner wall of first hollow pipe fitting has boss structure；The inner wall end of first hollow pipe fitting has
Internal screw thread；The induction electrode is arranged in first hollow pipe fitting, and one end of the induction electrode and the boss knot
Structure contact；The outer wall of the spiral shell hoop has external screw thread；The inner wall end thread of the outer wall of the spiral shell hoop and first hollow pipe fitting
Connection, the end thereof contacts of the other end of the induction electrode and the spiral shell hoop；Second hollow pipe fitting is another with the spiral shell hoop
One end connection；There is the air inlet on the side wall of second hollow pipe fitting.
3. device as claimed in claim 2, which is characterized in that further include: insulating materials；The insulating materials is arranged described
Between induction electrode and the inner wall of first hollow pipe fitting.
4. device as described in claim 1, which is characterized in that further include: charge release；The electric current of the charge release
Port and the electric current port of the induction electrode are electrically connected.
5. device as described in claim 1, which is characterized in that further include: locating module；The locating module and the monolithic
The connection of machine two-way signaling.
6. device as described in claim 1, which is characterized in that further include: amplifier；The signal input part of the amplifier with
The signal output end of the induction electrode is electrically connected, and the signal of the signal output end of the amplifier and the single-chip microcontroller inputs
End is electrically connected.
7. device as claimed in claim 6, which is characterized in that further include: filter；The signal input part of the filter with
The signal output end of the amplifier is electrically connected, the signal input part of the signal output end of the filter and the single-chip microcontroller
It is electrically connected.
8. device as claimed in claim 7, which is characterized in that further include: voltage follower；The signal of the voltage follower
The signal output end of input terminal and the filter is electrically connected, the signal output end of the voltage follower and the single-chip microcontroller
Signal input part be electrically connected.
9. device as claimed in claim 8, which is characterized in that further include: analog-digital converter；The signal of the analog-digital converter
The signal output end of input terminal and the voltage follower is electrically connected, the signal output end of the analog-digital converter and the list
The signal input part of piece machine is electrically connected.
10. device as claimed in any one of claims 1-9 wherein, which is characterized in that further include: high-pressure pump；The high pressure gas
The gas output end of pump is connected to the air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920179287.7U CN209542382U (en) | 2019-01-31 | 2019-01-31 | A kind of apparatus for measuring dust concentration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920179287.7U CN209542382U (en) | 2019-01-31 | 2019-01-31 | A kind of apparatus for measuring dust concentration |
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| Publication Number | Publication Date |
|---|---|
| CN209542382U true CN209542382U (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920179287.7U Active CN209542382U (en) | 2019-01-31 | 2019-01-31 | A kind of apparatus for measuring dust concentration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114955417A (en) * | 2021-02-26 | 2022-08-30 | 印能科技股份有限公司 | Contact overhead transport vehicle (OHT) dust collecting system |
-
2019
- 2019-01-31 CN CN201920179287.7U patent/CN209542382U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114955417A (en) * | 2021-02-26 | 2022-08-30 | 印能科技股份有限公司 | Contact overhead transport vehicle (OHT) dust collecting system |
| CN114955417B (en) * | 2021-02-26 | 2024-04-02 | 印能科技股份有限公司 | Dust collection system of contact type overhead transport vehicle (OHT) with electric rail |
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