CN204330542U - Particulate in air pick-up unit - Google Patents
Particulate in air pick-up unit Download PDFInfo
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- CN204330542U CN204330542U CN201420749322.1U CN201420749322U CN204330542U CN 204330542 U CN204330542 U CN 204330542U CN 201420749322 U CN201420749322 U CN 201420749322U CN 204330542 U CN204330542 U CN 204330542U
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Abstract
The utility model relates to a kind of particulate in air pick-up unit, comprise pedestal, be fixed on the gag lever post on described pedestal, adjustable resistance and the spring be set in outside described gag lever post, the top of described spring is fixed with the metal cylinder of hollow, the upper end of described metal cylinder is fixed with V-shaped rest, the upper end of described V-shaped rest is provided with the first framework, described first framework is provided with the first filter screen, the top of described first filter screen is provided with blower fan, the side of described metal cylinder is fixed with metal slide plate, described metal slide plate abuts with described adjustable resistance, described adjustable resistance is in series with reometer, power supply, described power supply is connected with described metal cylinder.The utility model structure is simple, easy to use, and cost is low, and the accuracy rate that particle content detects is high, and competitive power is strong, has good Social benefit and economic benefit.
Description
Technical field
The utility model relates to environment measuring field, particularly relates to a kind of particulate in air pick-up unit.
Background technology
Along with industrialized development, environmental pollution is more and more serious, if after in air, various particle is sucked by human body, can directly enter in bronchus, causes the various diseases such as bronchitis, cardiovascular, asthma, endangers the health of the mankind.The device structure of existing detection particulate in air content is complicated, cost intensive, and bulky, is not easy to carry and move, is not easy to detect in multiple place.
Utility model content
The utility model overcomes the deficiencies in the prior art, provides a kind of structure simple particulate in air pick-up unit.
For achieving the above object, the technical solution adopted in the utility model is: a kind of particulate in air pick-up unit, comprise pedestal, be fixed on the gag lever post on described pedestal, adjustable resistance and the spring be set in outside described gag lever post, the top of described spring is fixed with the metal cylinder of hollow, the upper end of described metal cylinder is fixed with V-shaped rest, the upper end of described V-shaped rest is provided with the first framework, described first framework is provided with the first filter screen, the top of described first filter screen is provided with blower fan, the side of described metal cylinder is fixed with metal slide plate, described metal slide plate abuts with described adjustable resistance, described adjustable resistance is in series with reometer, power supply, described power supply is connected with described metal cylinder.
In the utility model preferred embodiment, particulate in air pick-up unit comprises further on described pedestal and is fixed with vertical bar, the top of described vertical bar is connected with transverse bar, described transverse bar is fixed with the second framework, and described second framework is provided with the second filter screen.
In the utility model preferred embodiment, the aperture that particulate in air pick-up unit comprises described second filter screen is further greater than the aperture of described first filter screen.
In the utility model preferred embodiment, particulate in air pick-up unit comprises a bearing pin further and passes described transverse bar and fix with described vertical bar.
In the utility model preferred embodiment, the quantity that particulate in air pick-up unit comprises described first filter screen is further two, and two described first filter screen stacked on top of one another are arranged.
In the utility model preferred embodiment, particulate in air pick-up unit comprises further between described reometer and described power supply and is in series with protective resistance.
In the utility model preferred embodiment, the bottom that particulate in air pick-up unit comprises described pedestal is further fixed with roller.
The utility model solves the defect existed in background technology, and the utility model structure is simple, easy to use, and cost is low, and the accuracy rate that particle content detects is high, and competitive power is strong, has good Social benefit and economic benefit.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of preferred embodiment of the present utility model;
In figure: 2, pedestal, 4, gag lever post, 6, adjustable resistance, 8, spring; 10, metal cylinder, 12, V-shaped rest, the 14, first framework; 16, the first filter screen, 18, blower fan, 20, metal slide plate; 22, reometer, 24, power supply, 26, vertically bar; 28, transverse bar, the 30, second framework, the 32, second filter screen; 34, bearing pin, 36, protective resistance, 38, roller.
Embodiment
Be described in further detail the utility model in conjunction with the accompanying drawings and embodiments now, these accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1, a kind of particulate in air pick-up unit, comprise pedestal 2, fixing gag lever post 4 on the base 2, adjustable resistance 6 and the spring 8 be set in outside gag lever post 4, the setting of gag lever post 4 can avoid the skew of spring 8, guarantee that spring 8 is in vertical state, the top of spring 8 is fixed with the metal cylinder 10 of hollow, the internal diameter of metal cylinder 10 is greater than the external diameter of gag lever post 4, metal cylinder 10 is moved along gag lever post 4, metal cylinder 10 can be conducted electricity, the upper end of metal cylinder 10 is fixed with V-shaped rest 12, V-shaped rest 12 adopts insulating material to make, the upper end of V-shaped rest 12 is provided with the first framework 14, first framework 14 is in hollow state, first framework 14 is provided with the first filter screen 16, the filter screen of the replaceable one-tenth different pore size of the first filter screen 16, be convenient to the content of the particle detecting different-grain diameter, applied widely, the top of the first filter screen 16 is provided with blower fan 18, the side of metal cylinder 10 is fixed with metal slide plate 20, metal slide plate 20 can conduct electricity, metal slide plate 20 abuts with adjustable resistance 6, adjustable resistance 6 is in series with reometer 22, power supply 24, power supply 24 is connected with metal cylinder 10.
When being in the particle content between two different-grain diameters for the ease of detection particle diameter, the preferred pedestal of the utility model 2 is fixed with vertical bar 26, the top of vertical bar 26 is connected with transverse bar 28, transverse bar 28 is fixed with the second framework 30, second framework 30, in hollow state, the second framework 30 is provided with the second filter screen 32.
The aperture of preferred the second filter screen 32 of the utility model is greater than the aperture of the first filter screen 14.
A utility model preferably bearing pin 34 passes transverse bar 28 and fixes with vertical bar 26, when not needing use the second filter screen 32, transverse bar 28 can be rotated around bearing pin 34 and open, avoiding the interference to the first filter screen 14.
In order to improve the accuracy rate of detection, the quantity of preferred the first filter screen 14 of the utility model is two, and two the first filter screen 14 stacked on top of one another are arranged.
Protective resistance 36 is in series with between the preferred reometer 22 of the utility model and power supply 24.
For the ease of the movement of pedestal 2, the bottom of the preferred pedestal 2 of the utility model is fixed with roller 38.
Particle content of the present utility model refers to the ratio of particle weight and air total flow.
In use, when needing the particle content of more than mensuration first particle diameter, transverse bar 28 is rotated around bearing pin 34 and opens, blower fan 18 starts, by the particle in air toward the first filter screen 16 blowing up, the particle being less than the first particle diameter just spills from the first filter screen 16, the particle being greater than the first particle diameter stops by the first filter screen 16, the weight of the first filter screen 16 becomes large, metal cylinder 10 is driven to move downward, metal cylinder 10 Compress Spring 8, metal cylinder 10 drives metal slide plate 20 to move downward along adjustable resistance 6, the resistance of the resistance of the adjustable resistance 6 of original state and the adjustable resistance 6 after changing can be drawn by the value of reometer 22 and the value of power supply 24, the resistivity of adjustable resistance 6 is constant, the distance that metal slide plate 20 moves down can be drawn, again according to the stiffness factor of spring 8, the pressure suffered by spring 8 can be drawn, the namely weight of the first filter screen 16 and the above particle of the first particle diameter, the weight of the first filter screen 16 is constant, draw the weight of the above particle of the first particle diameter, by the flow velocity of air and air total flow can be drawn detection time, the weight of the above particle of the first particle diameter and the ratio of air total flow are particulate in air content,
When needing mensuration particle diameter to be in the particle content between the first particle diameter and the second particle diameter, wherein, second particle diameter is greater than the first particle diameter, second filter screen 32 is positioned at the top of the first filter screen 16, blower fan 18 starts, by the particle in air toward the second filter screen 32 blowing up, being less than the second particle diameter drops with the particle being greater than the first particle diameter on the first filter screen 16 by the second filter screen 32, the weight of the first filter screen 16 becomes large, metal cylinder 10 is driven to move downward, metal cylinder 10 Compress Spring 8, metal cylinder 10 drives metal slide plate 20 to move downward along adjustable resistance 6, the resistance of the resistance of the adjustable resistance 6 of original state and the adjustable resistance 6 after changing can be drawn by the value of reometer 22 and the value of power supply 24, the resistivity of adjustable resistance 6 is constant, the distance that metal slide plate 20 moves down can be drawn, again according to the stiffness factor of spring 8, the pressure suffered by spring 8 can be drawn, namely the first filter screen 16, particle diameter is in the weight of the particle between the first particle diameter and the second particle diameter, the weight of the first filter screen 16 is constant, show that particle diameter is in the weight of the particle between the first particle diameter and the second particle diameter, by the flow velocity of air and air total flow can be drawn detection time, the ratio that particle diameter is in particle between the first particle diameter and the second particle diameter and air total flow is particulate in air content.
Above according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, related personnel in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on instructions, must determine technical scope according to right.
Claims (7)
1. a particulate in air pick-up unit, it is characterized in that: comprise pedestal, be fixed on the gag lever post on described pedestal, adjustable resistance and the spring be set in outside described gag lever post, the top of described spring is fixed with the metal cylinder of hollow, the upper end of described metal cylinder is fixed with V-shaped rest, the upper end of described V-shaped rest is provided with the first framework, described first framework is provided with the first filter screen, the top of described first filter screen is provided with blower fan, the side of described metal cylinder is fixed with metal slide plate, described metal slide plate abuts with described adjustable resistance, described adjustable resistance is in series with reometer, power supply, described power supply is connected with described metal cylinder.
2. particulate in air pick-up unit according to claim 1, it is characterized in that: described pedestal is fixed with vertical bar, the top of described vertical bar is connected with transverse bar, described transverse bar is fixed with the second framework, and described second framework is provided with the second filter screen.
3. particulate in air pick-up unit according to claim 2, is characterized in that: the aperture of described second filter screen is greater than the aperture of described first filter screen.
4. particulate in air pick-up unit according to claim 2, is characterized in that: a bearing pin passes described transverse bar and fixes with described vertical bar.
5. particulate in air pick-up unit according to claim 1, is characterized in that: the quantity of described first filter screen is two, and two described first filter screen stacked on top of one another are arranged.
6. particulate in air pick-up unit according to claim 1, is characterized in that: be in series with protective resistance between described reometer and described power supply.
7. particulate in air pick-up unit according to claim 1, is characterized in that: the bottom of described pedestal is fixed with roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420749322.1U CN204330542U (en) | 2014-12-04 | 2014-12-04 | Particulate in air pick-up unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420749322.1U CN204330542U (en) | 2014-12-04 | 2014-12-04 | Particulate in air pick-up unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204330542U true CN204330542U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420749322.1U Active CN204330542U (en) | 2014-12-04 | 2014-12-04 | Particulate in air pick-up unit |
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| Country | Link |
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| CN (1) | CN204330542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535464A (en) * | 2014-12-04 | 2015-04-22 | 苏州国环环境检测有限公司 | Apparatus for detecting particles in air |
-
2014
- 2014-12-04 CN CN201420749322.1U patent/CN204330542U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535464A (en) * | 2014-12-04 | 2015-04-22 | 苏州国环环境检测有限公司 | Apparatus for detecting particles in air |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180313 Address after: Wuzhong District Yue Xi Chu Road in Suzhou city before the 215104 Jiangsu province No. 5 Patentee after: Suzhou Electrical Appliance Science Research Institute Co., Ltd. Address before: No. 369, No. 369, Lu Mountain Road, Hi-tech Zone, Jiangsu, Jiangsu Patentee before: Suzhou Guohuan Environment Testing Co.,Ltd. |