CN205941427U - Atmosphere anion monitoring devices - Google Patents
Atmosphere anion monitoring devices Download PDFInfo
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- CN205941427U CN205941427U CN201620871470.XU CN201620871470U CN205941427U CN 205941427 U CN205941427 U CN 205941427U CN 201620871470 U CN201620871470 U CN 201620871470U CN 205941427 U CN205941427 U CN 205941427U
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- monitoring device
- electric capacity
- amplifier
- air anion
- anion
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Abstract
The utility model discloses an atmosphere anion monitoring devices, anion collector, signal amplifier and treater including electricity connection in proper order, the anion collector includes the polarising sheet, gathers board and polarization electrode, the polarising sheet with it forms airflow channel between, to gather the board and set up relatively, the polarising sheet with the negative pole of polarization electrode is connected, the positive electrode groud of polarization electrode, gather the board with signal amplifier connects. To the material requirements is not high, the preparation degree of difficulty is little, with low costs for specific anion density value in the daily measurement air, it is portable simply with low costs, have the good application prospect and the market demand.
Description
Technical field
The present invention relates to a kind of anion monitoring device, more particularly relate to a kind of air anion monitoring device.
Background technology
Air anion is beneficial to health, is described as " vitamin " in air, with environmental meterorology, Ecological-Meteorological
The subjects such as, tour meteorology are closely related.Air negative ion concentration changes with geographical environment, weather conditions, season etc. and becomes
Change, air negative ion concentration has very big difference in various environment, carry out air-anion concentration observation to evaluation air matter
Amount, ecological, environment and health effect etc. have a very important role.At present, air negative ion collector be divided into flat, electric
Appearance formula, grating type and ball, but, general negative ion collector is generally used for specialty fineness measuring instrument, to material requirements
Height, manufacture difficulty is big, and cost of manufacture is high.
Content of the invention
Goal of the invention：Present invention aim at being directed to the deficiencies in the prior art, provide a kind of, system not high to material requirements
Make that difficulty is little, low cost air anion monitoring device.
Technical scheme：A kind of air anion monitoring device of the present invention, adopts including the anion being sequentially connected electrically
Storage, signal amplifier and processor, described negative ion collector includes polarising sheet, collection plate and polarizing electrode, described polarization
Plate and described collection plate are oppositely arranged, between formed gas channel；Described polarising sheet is connected with the negative pole of described polarizing electrode, institute
State the plus earth of polarizing electrode, described collection plate is connected with described signal amplifier.
Being further defined to of technical solution of the present invention, amplifying circuit that described signal amplifier includes being sequentially connected electrically,
Filter circuit and A/D change-over circuit.
Further, described amplifying circuit includes amplifier LM358, pull down resistor R1, coupled capacitor C1, resistance R2, electricity
Hold C2, resistance R3, electric capacity C3, connect with the positive pole of described amplifier LM358 after described pull down resistor R1, the series connection of coupled capacitor C1
Connect, be connected with the negative pole of described amplifier LM358 after described resistance R2, electric capacity C2 series connection, after described resistance R3, electric capacity C3 parallel connection
It is connected with the positive pole of described amplifier LM358 and outfan respectively.
Further, described filter circuit is second order RC lowpass wave circuit.
Further, described A/D conversion circuit adopts 16 A/D to convert chip AD7705.
Further, described processor（3）Using single-chip microcomputer STC89C52.
Beneficial effect：A kind of air anion monitoring device that the present invention provides, manufacture difficulty not high to material requirements
Little, low cost, for the specific negative ion concentration value of daily measurement in the air, portable simple low cost, before having good application
Scape and the market demand.
Brief description
The structural representation of the air anion monitoring device that Fig. 1 provides for the present invention；
The structural representation of the negative ion collector of the air anion monitoring device that Fig. 2 provides for the present invention；
The circuit diagram of the amplifying circuit of the air anion monitoring device that Fig. 3 provides for the present invention.
Specific embodiment
Below by accompanying drawing, technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to
Described embodiment.
Embodiment 1：A kind of air anion monitoring device, its structural representation is as shown in figure 1, it includes being sequentially connected electrically
Negative ion collector 1, signal amplifier 2 and processor 3.
The structural representation of negative ion collector 1 is as shown in Fig. 2 include polarising sheet 5, collection plate 6 and polarizing electrode 7, institute
State polarising sheet 5 and described collection plate 6 be oppositely arranged, between formed gas channel；Described polarising sheet 5 and described polarizing electrode 7
Negative pole connects, the plus earth of described polarizing electrode 7, and described collection plate 6 is connected with described signal amplifier 2.
Described signal amplifier 2 includes amplifying circuit, filter circuit and the A/D change-over circuit being sequentially connected electrically, wherein institute
State the circuit diagram of amplifying circuit as shown in figure 3, including amplifier LM358, pull down resistor R1, coupled capacitor C1, resistance R2, electric capacity
C2, resistance R3, electric capacity C3, are connected with the positive pole of described amplifier LM358 after described pull down resistor R1, the series connection of coupled capacitor C1,
It is connected with the negative pole of described amplifier LM358 after described resistance R2, electric capacity C2 series connection, divide after described resistance R3, electric capacity C3 parallel connection
It is not connected with the positive pole of described amplifier LM358 and outfan.Described filter circuit is second order RC lowpass wave circuit.Described A/
D conversion circuit adopts 16 A/D to convert chip AD7705.
Described processor 3 adopts single-chip microcomputer STC89C52, and processor 3 is connected with LCD MODULE, and anion is dense
Number of degrees value is shown on liquid crystal display screen.
During work, the polarizing electrode 7 of negative ion collector 1 is energized, and air draught 4 is passed through described polarising sheet 5 and described adopts
Gas channel between collection plate 6, in the air specific small particle anion deflects in the presence of electric field, collected plate institute
Capture, the anion quantity of electric charge collecting is through the process of harvester, you can calculate the concentration of electric charges value of anion.
Although as described above, having represented with reference to specific preferred embodiment and having described the present invention, it must not be explained
It is the restriction to the present invention itself.Under the premise of the spirit and scope of the present invention defining without departing from claims, can be right
Various changes can be made in the form and details for it.
Claims (6)
1. a kind of air anion monitoring device is it is characterised in that include the negative ion collector being sequentially connected electrically（1）, signal
Amplifier（2）And processor（3）, described negative ion collector（1）Including polarising sheet（5）, collection plate（6）And polarizing electrode（7）,
Described polarising sheet（5）With described collection plate（6）Be oppositely arranged, between formed gas channel；Described polarising sheet（5）With described polarization
Electrode（7）Negative pole connect, described polarizing electrode（7）Plus earth, described collection plate（6）With described signal amplifier（2）
Connect.
2. a kind of air anion monitoring device according to claim 1 is it is characterised in that described signal amplifier（2）
Including the amplifying circuit being sequentially connected electrically, filter circuit and A/D change-over circuit.
3. a kind of air anion monitoring device according to claim 2 is it is characterised in that described amplifying circuit includes putting
Big device LM358, pull down resistor R1, coupled capacitor C1, resistance R2, electric capacity C2, resistance R3, electric capacity C3, described pull down resistor R1, coupling
It is connected with the positive pole of described amplifier LM358 after closing electric capacity C1 series connection, with described amplifier after described resistance R2, electric capacity C2 series connection
The negative pole of LM358 connects, and connects with the positive pole of described amplifier LM358 and outfan respectively after described resistance R3, electric capacity C3 parallel connection
Connect.
4. a kind of air anion monitoring device according to claim 2 is it is characterised in that described filter circuit is second order
RC low-pass filter circuit.
5. a kind of air anion monitoring device according to claim 2 is it is characterised in that described A/D conversion circuit is adopted
Convert chip AD7705 with 16 A/D.
6. a kind of air anion monitoring device according to claim 1 is it is characterised in that described processor（3）Using
Single-chip microcomputer STC89C52.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620871470.XU CN205941427U (en) | 2016-08-12 | 2016-08-12 | Atmosphere anion monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620871470.XU CN205941427U (en) | 2016-08-12 | 2016-08-12 | Atmosphere anion monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205941427U true CN205941427U (en) | 2017-02-08 |
Family
ID=57920880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620871470.XU Active CN205941427U (en) | 2016-08-12 | 2016-08-12 | Atmosphere anion monitoring devices |
Country Status (1)
| Country | Link |
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| CN (1) | CN205941427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113787A (en) * | 2020-09-24 | 2020-12-22 | 北京小米移动软件有限公司 | Detection method and device, test equipment and storage medium |
-
2016
- 2016-08-12 CN CN201620871470.XU patent/CN205941427U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113787A (en) * | 2020-09-24 | 2020-12-22 | 北京小米移动软件有限公司 | Detection method and device, test equipment and storage medium |
| CN112113787B (en) * | 2020-09-24 | 2023-02-17 | 北京小米移动软件有限公司 | Detection method and device, test equipment and storage medium |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |