CN203241322U - Continuous monitoring and recording device for content of air floating dust - Google Patents
Continuous monitoring and recording device for content of air floating dust Download PDFInfo
- Publication number
- CN203241322U CN203241322U CN 201320290911 CN201320290911U CN203241322U CN 203241322 U CN203241322 U CN 203241322U CN 201320290911 CN201320290911 CN 201320290911 CN 201320290911 U CN201320290911 U CN 201320290911U CN 203241322 U CN203241322 U CN 203241322U
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- venturi tube
- rotation axis
- spring
- recording
- continuous monitoring
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Abstract
The utility model discloses a continuous monitoring and recording device for the content of air floating dust. The continuous monitoring and recording device is characterized by comprising a venturi tube, a wind direction guide plate, a filtering membrane, a rotary shaft, a sleeve, a mini-type tension spring, a recording pen and a recording clock cylinder, wherein the wind direction guide plate is fixed on the upper wall of the venturi tube; the filtering membrane is arranged on the waist part in the venturi tube; the rotary shaft is fixed on the bottom wall of the venturi tube and is inserted into the sleeve; the bottom end of the rotary shaft is in contact with the tip in the sleeve; a bearing is arranged inside the opening edge of the sleeve; the bottom of the filtering membrane is connected with a stretching-out rod; the lower end of the stretching-out rod is connected with the recording pen through a pin shaft; the seat end of the recording pen is connected with the upper part of the rotary shaft; a mini-type tension spring is arranged between the stretching-out rod and the rotary shaft; a rotary shaft of the recording clock cylinder is hung on the bottom wall of an air outlet of the venturi tube. The continuous monitoring and recording device is simple in structure and small in investment, and can be used for continuously detecting and recording the content of floating dust in air so as to provide evidences for formulating an air environment protection strategy.
Description
Technical field
The utility model relates to the environmental monitoring field, particularly a kind of airborne dust content continuous monitoring pen recorder for air monitering.
Background technology
Along with industrial expansion, particularly heavy industry, more and more serious to the pollution of air, wherein floating dust is wherein a kind of to the pollution of air, from since last year, caused widely and paid attention to, national management functional department has listed the category of normal detection, announcement, forecast in.But at present, usually adopt suction method for the detection of floating dust, the floating dust suction filtration on the filter membrane band, and then is decomposed with acid the floating dust on the filter membrane band.The deficiency of this kind method is: formality is loaded down with trivial details, waste time and energy, expense is high, and can not continuous recording.By retrieval as can be known, have not yet to see the report to the airborne dust content detection device.
Summary of the invention
The purpose of this utility model be to provide a kind of simple in structure, small investment, can continuous detecting and record the airborne dust content continuous monitoring pen recorder of floating dust content in the air.
In order to reach above purpose, the technical scheme that the utility model adopts is: this airborne dust content continuous monitoring pen recorder, it is characterized in that: it comprises Venturi tube, wind direction guide plate, filter membrane sheet, rotation axis, sleeve pipe, miniature spring spring, recording pointer and clock cylinder, the wind direction guide plate is fixed on the upper wall of Venturi tube, and with the axis of Venturi tube in a plane; Waist in Venturi tube is provided with the filter membrane sheet; Fixing upper rotation axis on the diapire of described Venturi tube, rotation axis insert in the sleeve pipe, and top in the sleeve pipe touched in the bottom of rotation axis, is provided with bearing in the opening's edge of sleeve pipe; The bottom of described filter membrane sheet connects upper extension bar, the lower end of extension bar is connected with recording pointer by bearing pin, the seat end of recording pointer is connected with the top of rotation axis by corresponding bearing pin, at extension bar to being provided with the miniature spring spring between the rotation axis, the upper end of miniature spring spring is fixed on the diapire of Venturi tube, the lower end of miniature spring spring is fixed on the recording pointer, and the nib of recording pointer is touched the outer wall of clock cylinder, and the rotation axis of clock cylinder is lifted on the air outlet diapire of Venturi tube.
The utility model is also implemented by following measure: the outside of described recording pointer is provided with the spring pen gear, and the upper end of spring pen gear is fixed on the diapire of Venturi tube.
The waist of described Venturi tube is provided with static pressure measurement probe in the current stabilization pipeline section, and the outlet of Venturi tube is provided with shrinks static pressure measurement probe in the pipeline section outlet; In the described current stabilization pipeline section static pressure measurement probe with is connected the pipeline section outlet in static pressure measurement pop one's head in and be connected with micro calculator by data signal line respectively, micro calculator is fixed on the Venturi tube exit wall, can rotate with Venturi tube, prevent the winding of data signal line, by micro calculator to the data that detect according to flow formula: ρ
1+ 1/2 ρ
1V
1 2=1/2 ρ
2V
2 2+ △ n carries out flow rate calculation.Much more no longer this is known technology, therefore to state.
The height of described sleeve pipe is 1.5-2.5m, and overhead the height of 1.5-2.5m is to the larger height of people's harm.
Be wound with self-recording paper on the described clock cylinder, vertical line is timeline, and x wire is floating dust weight p-wire, and its structure also is known technology.
The distance of described extension bar to the distance of rotation axis and extension bar to the recording pointer nib is 1:3-8, makes to detect data and obtain enough amplifications.
The upper end of described rotation axis is fixed on the centre of gravity place that Venturi tube behind wind direction guide plate and the clock cylinder has been installed.
The beneficial effects of the utility model are: simple in structure, small investment, can continuous detecting and record floating dust content in the air, being convenient to provides foundation for formulating the air environmental protection strategy.
Description of drawings
Fig. 1 is that axis of no-feathering of the present utility model is to cross-sectional schematic.
Among the figure: 1, Venturi tube; 2, wind direction guide plate; 3, filter membrane sheet; 4, rotation axis; 5, sleeve pipe; 6, miniature spring spring; 7, recording pointer; 8, clock cylinder; 9, top; 10, bearing; 11, extension bar; 12, spring pen gear; 13, static pressure measurement probe in the current stabilization pipeline section; 14, shrink static pressure measurement probe in the pipeline section outlet; 15, micro calculator.
Embodiment
Make the utility model with reference to Fig. 1.This airborne dust content continuous monitoring pen recorder, it is characterized in that: it comprises Venturi tube 1, wind direction guide plate 2, filter membrane sheet 3, rotation axis 4, sleeve pipe 5, miniature spring spring 6, recording pointer 7 and clock cylinder 8, wind direction guide plate 2 is fixed on the upper wall of Venturi tube 1, and with the axis of Venturi tube 1 in a plane, guide effect by wind direction guide plate 2, the air inlet that makes Venturi tube 1 all the time towards wind come to, utilize the principle of Venturi tube 1 to detect the air intake flow; Waist in Venturi tube 1 is provided with filter membrane sheet 3, logical filtration membrane 3 absorption floating dust; Fixing upper rotation axis 4 on the diapire of described Venturi tube 1, rotation axis 4 inserts in the sleeve pipe 5, top 9 in the sleeve pipe 5 touched in the bottom of rotation axis 4, in the opening's edge of sleeve pipe 5, be provided with bearing 10, to reduce the rotary resistance of rotation axis 4, the air inlet that under very little wind-force, also can keep Venturi tube 1 towards wind come to; The bottom of described filter membrane sheet 3 connects upper extension bar 11, the lower end of extension bar 11 is connected with recording pointer 7 by bearing pin, the seat end of recording pointer 7 is connected with the top of rotation axis 4 by corresponding bearing pin, be provided with miniature spring spring 6 at extension bar 11 between the rotation axis 4, the upper end of miniature spring spring 6 is fixed on the diapire of Venturi tube 1, the lower end of miniature spring spring 6 is fixed on the recording pointer 7, the nib of recording pointer 7 is touched the outer wall of clock cylinder 8, the rotation axis of clock cylinder 8 is lifted on the air outlet diapire of Venturi tube 1, like this, when floating dust is adsorbed on the filter membrane sheet 3, because the weight of the weight ratio air of floating dust is large, so filter membrane sheet 3 can increase the weight of, the filter membrane sheet 3 that has increased the weight of can act on recording pointer 7 by extension bar 11, the nib of recording pointer 7 just can draw time dependent curve at clock cylinder 8, by the tracing analysis that draws, just can draw time and the content of floating dust intercepting.
As improvement of the present utility model: the outside of described recording pointer 7 is provided with spring pen gear 12, and the upper end of spring pen gear 12 is fixed on the diapire of Venturi tube 1, by spring pen gear 12, makes the nib of recording pointer 7 can not break away from the outer wall of clock cylinder 8.
The waist of described Venturi tube 1 is provided with static pressure measurement probe 13 in the current stabilization pipeline section, and the outlet of Venturi tube 1 is provided with shrinks static pressure measurement probe 14 in the pipeline section outlet; Static pressure measurement probe 13 and is connected the interior static pressure measurement of pipeline section outlet and pops one's head in and 14 be connected with micro calculator 15 by data signal line respectively in the described current stabilization pipeline section, micro calculator 15 is fixed on Venturi tube 1 exit wall, can rotate with Venturi tube 1, prevent the winding of data signal line, by 15 pairs of data that detect of micro calculator according to flow formula:
ρ
1+ 1/2 ρ
1V
1 2=1/2 ρ
2V
2 2+ △ n carries out flow rate calculation.Much more no longer this is known technology, therefore to state.
The height of described sleeve pipe 5 is 1.5-2.5m, and overhead the height of 1.5-2.5m is to the larger height of people's harm.
Be wound with self-recording paper on the described clock cylinder 8, vertical line is timeline, and x wire is floating dust weight p-wire, and its structure also is known technology.
The distance of described extension bar 11 to the distance of rotation axis 4 and extension bar 11 to recording pointer 7 nibs is 1:3-8, makes to detect data and obtain enough amplifications.
The upper end of described rotation axis 4 is fixed on the centre of gravity place that wind direction guide plate 2 and clock cylinder 8 rear Venturi tubes 1 have been installed.
When using the utility model, need the utility model is installed in the smooth opening that ventilates, the self-recording paper on the clock cylinder 8 and filter membrane sheet 3 take one day and change once, and the access data is so that comparative analysis; Described filter membrane sheet 3 is filtration net, and periphery is provided with the stretching bar, and air can pass through, and floating dust then is trapped on the filter membrane sheet 3, and this is the material that uses in floating dust detects at present, is known technology, therefore seldom state.
Claims (3)
1. airborne dust content continuous monitoring pen recorder, it is characterized in that: it comprises Venturi tube (1), wind direction guide plate (2), filter membrane sheet (3), rotation axis (4), sleeve pipe (5), miniature spring spring (6), recording pointer (7) and clock cylinder (8), wind direction guide plate (2) is fixed on the upper wall of Venturi tube (1), and with the axis of Venturi tube (1) in a plane; Waist in Venturi tube (1) is provided with filter membrane sheet (3); Fixing upper rotation axis (4) on the diapire of described Venturi tube (1), rotation axis (4) inserts in the sleeve pipe (5), and top (9) in the sleeve pipe (5) are touched in the bottom of rotation axis (4), are provided with bearing (10) in the opening's edge of sleeve pipe (5); The bottom of described filter membrane sheet (3) connects upper extension bar (11), the lower end of extension bar (11) is connected with recording pointer (7) by bearing pin, the seat end of recording pointer (7) is connected with the top of rotation axis (4) by corresponding bearing pin, be provided with miniature spring spring (6) at extension bar (11) between the rotation axis (4), the upper end of miniature spring spring (6) is fixed on the diapire of Venturi tube (1), the lower end of miniature spring spring (6) is fixed on the recording pointer (7), the nib of recording pointer (7) is touched the outer wall of clock cylinder (8), and the rotation axis of clock cylinder (8) is lifted on the air outlet diapire of Venturi tube (1).
2. airborne dust content continuous monitoring pen recorder according to claim 1 is characterized in that: the outside of described recording pointer (7) is provided with spring pen gear (12), and the upper end of spring pen gear (12) is fixed on the diapire of Venturi tube (1).
3. airborne dust content continuous monitoring pen recorder according to claim 1, it is characterized in that: the height of described sleeve pipe (5) is 1.5-2.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320290911 CN203241322U (en) | 2013-05-25 | 2013-05-25 | Continuous monitoring and recording device for content of air floating dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320290911 CN203241322U (en) | 2013-05-25 | 2013-05-25 | Continuous monitoring and recording device for content of air floating dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203241322U true CN203241322U (en) | 2013-10-16 |
Family
ID=49318607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320290911 Expired - Fee Related CN203241322U (en) | 2013-05-25 | 2013-05-25 | Continuous monitoring and recording device for content of air floating dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203241322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116430006A (en) * | 2023-03-23 | 2023-07-14 | 江苏鸿济水利规划设计咨询有限公司 | Intelligent remote monitoring device for environmental protection ecological water and soil conservation |
-
2013
- 2013-05-25 CN CN 201320290911 patent/CN203241322U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116430006A (en) * | 2023-03-23 | 2023-07-14 | 江苏鸿济水利规划设计咨询有限公司 | Intelligent remote monitoring device for environmental protection ecological water and soil conservation |
| CN116430006B (en) * | 2023-03-23 | 2024-02-23 | 江苏鸿济水利规划设计咨询有限公司 | Intelligent remote monitoring device for environmental protection ecological water and soil conservation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20140525 |