CN215178961U - Sampling head for atmospheric particulate matter on-line monitoring instrument - Google Patents
Sampling head for atmospheric particulate matter on-line monitoring instrument Download PDFInfo
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- CN215178961U CN215178961U CN202121448674.XU CN202121448674U CN215178961U CN 215178961 U CN215178961 U CN 215178961U CN 202121448674 U CN202121448674 U CN 202121448674U CN 215178961 U CN215178961 U CN 215178961U
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Abstract
The utility model provides a sampling head for an atmospheric particulate on-line monitor, which mainly comprises a cutter clamping piece, a striking plate clamping piece, a cutter and a striking plate; the cutter clamping piece and the impact plate clamping piece are respectively provided with a first groove and a second groove, and one end of the impact plate clamping piece, which is provided with the second groove, is sleeved in the first groove; the cutter and the impact plate are arranged in the second groove, the cutter is in contact with the cutter clamping piece, and the impact plate is in contact with the impact plate clamping piece; an air inlet duct is arranged between the first groove and the external environment; an air outlet channel is arranged between the second groove and the external environment; and a sampling pipe is arranged in the air outlet pore passage. The utility model discloses compact structure, volume are less, conveniently carry, under the screening separation in each water conservancy diversion hole, the monitoring result is more accurate.
Description
Technical Field
The utility model mainly relates to an atmospheric environment monitoring technology field especially relates to an atmospheric particulates is sampling head for on-line monitoring appearance.
Background
Particulate matter or Dust (Dust), which refers to solid and liquid particulate matter suspended in exhaust gas generated by combustion, synthesis, decomposition of fuel and other substances and various substances in mechanical treatment, fine particulate matters in cities mostly come from artificial pollution such as combustion and industrial production, particulate matter pollution has gradually become one of important pollution sources influencing the quality of environmental air, in recent years, research on particle size, chemical components, concentration and the like of atmospheric particulate matters is rapidly advanced, and the particle size distribution range of the particulate matters in the air is wide and can be from several nanometers to tens of micrometers.
In many types and types of atmospheric particulate samplers, there are some disadvantages: 1. the sampling head has large volume and small flow; 2. the sampling head used at present can not effectively monitor the atmospheric fine particles or the monitoring precision has deviation.
SUMMERY OF THE UTILITY MODEL
In order to solve present used sampling head and can not effectually monitor or monitor that the precision has technical problem such as deviation to the fine particulate matter of atmosphere, the utility model provides an atmospheric particulates is sampling head for on-line monitoring appearance.
The utility model provides a technical scheme does:
the utility model provides a sampling head for an atmospheric particulate online monitor, which comprises a cutter clamping piece, a striking plate clamping piece, a cutter and a striking plate; the cutter clamping piece and the impact plate clamping piece are respectively provided with a first groove and a second groove, and one end of the impact plate clamping piece, which is provided with the second groove, is sleeved in the first groove; the cutter and the impact plate are arranged in the second groove, the cutter is in contact with the cutter clamping piece, and the impact plate is in contact with the impact plate clamping piece; an air inlet duct is arranged between the first groove and the external environment; an air outlet channel is arranged between the second groove and the external environment; a sampling pipe is arranged in the air outlet pore passage; the cutter and the impact plate are both columnar; the cutter is provided with a plurality of first flow guide holes; the first diversion holes are uniformly distributed around the circle center of the cutter; the impact plate is provided with a second flow guide hole; the second diversion holes are coaxially arranged with the impact plate; the impact plate is also provided with arc-shaped flow guide holes which are uniformly distributed around the circle center of the impact plate.
Preferably, a first O-shaped ring is arranged at the joint of the cutter and the cutter clamping piece; a second O-shaped ring is arranged at the joint of the impact plate and the impact plate clamping piece; a third O-shaped ring is arranged at the joint of the cutter and the impact plate; and a fourth O-shaped ring is arranged between the sampling pipe and the inner wall of the air outlet pore channel.
Preferably, the first clamping piece is sleeved with a sealing cover.
Preferably, the striking plate clamping piece and the second groove are connected in a sleeved mode through threads.
Preferably, the outer walls of the cutter clamping piece and the impact plate clamping piece are provided with frosted structures.
The utility model has the advantages that:
the sampling head for the atmospheric particulate online monitor provided by the utility model has compact structure, small volume and convenient carrying; the screening separation of the first water conservancy diversion hole of large granule pollutant, remaining particulate matter and striking board bump, and the particulate matter that is greater than the PM can strike and stay on the striking board, and the particulate matter that is less than the PM can pass through second water conservancy diversion hole and arc water conservancy diversion hole, gets into the sampling pipe through the pore of giving vent to anger, and under the screening separation in each water conservancy diversion hole, the monitoring result is more accurate.
Drawings
The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is a front view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
fig. 3 is a schematic perspective view of the cutter of the present invention;
fig. 4 is a schematic perspective view of the impact plate according to the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientation or positional relationship is based on that shown in the drawings, merely for convenience in describing the invention and simplifying the description, and does not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention are described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
In order to solve the technical problems that the conventional sampling head cannot effectively monitor the atmospheric fine particles or the monitoring precision has deviation, the embodiment of the utility model provides a sampling head for an atmospheric particulate online monitor, which comprises a cutter clamping piece 1, a striking plate clamping piece 2, a cutter 3 and a striking plate 4; the cutter clamping piece 1 and the impact plate clamping piece 2 are respectively provided with a first groove 5 and a second groove 6, and one end of the impact plate clamping piece 2 provided with the second groove 6 is sleeved in the first groove 5; the cutter 3 and the impact plate 4 are arranged in the second groove 6, the cutter 3 is contacted with the cutter clamping piece 1, and the impact plate 4 is contacted with the impact plate clamping piece 2; an air inlet duct 7 is arranged between the first groove 5 and the external environment; an air outlet duct 8 is arranged between the second groove 6 and the external environment; a sampling pipe 9 is arranged in the air outlet duct 8; the cutter 3 and the impact plate 4 are both columnar; the cutter 3 is provided with a plurality of first diversion holes 12; the first diversion holes 12 are uniformly distributed around the circle center of the cutter 3; the impact plate 4 is provided with a second diversion hole 13; the second flow guiding holes 13 are arranged coaxially with the impact plate 4; the impact plate 4 is further provided with arc-shaped flow guide holes 14, and the arc-shaped flow guide holes 14 are uniformly distributed around the circle center of the impact plate 4.
When the sampling head for the atmospheric particulate matter on-line monitor related to this embodiment works, the sampling head operates at an atmospheric flow of 1.8L/min, the atmospheric particulate matter sequentially passes through the air inlet duct 7 and the cutter 3, the air particulate matter in a flowing state is carried and distributed in the air flow, the first diversion holes 12 for large particulate matter pollutants are screened and blocked, the remaining particulate matter collides with the impact plate 4, the particulate matter larger than PM10 collides and stays on the impact plate 4, and the particulate matter smaller than PM10 enters the sampling pipe 9 through the air outlet duct 8 through the second diversion holes 13 and the arc diversion holes 14. The sampling head provided by the utility model has compact structure, smaller volume and convenient carrying; and under the screening and blocking of each flow guide hole, the monitoring result is more accurate.
In order to ensure that the gas in the sampling head can flow freely and ensure that the positions of the fixed cutter 3 and the impact plate 2 are not deviated, preferably, a first O-shaped ring 10 is arranged at the joint of the cutter 3 and the cutter clamping piece 1; a second O-shaped ring 11 is arranged at the joint of the impact plate 4 and the impact plate clamping piece 2; a third O-shaped ring 12 is arranged at the joint of the cutter 3 and the impact plate 4; meanwhile, in order to ensure that the sampling pipe 9 can be fixed on the inner wall of the air outlet duct 8, a fourth O-ring 16 is arranged between the sampling pipe 9 and the inner wall of the air outlet duct 8.
The sampling head is under the condition that does not use, and the phenomenon that the dust that often can take place to fall blockked up takes place for avoiding this type of phenomenon to take place, so preferred in this implementation, the cover is equipped with sealed lid 15 on the first holder 1, accomplishes the sample back to atmospheric particulates, uses sealed lid 15 to seal inlet channel 7, effectively prevents the inside dust that falls of sampling head.
In order to facilitate the disassembly and the replacement of internal parts, it is preferable in this embodiment that the striking plate holder 2 is screwed into the second groove 6. Cutterbar holder 1 and 2 outer walls of impingement plate holder all are equipped with dull polish structure, sampling head sampling a period of time after, cutterbar 3 and impingement plate 4 block in unavoidable, and impingement plate holder 2 and 6 threaded connection of second recess are convenient for separation between them and the washing of cutterbar 3 and impingement plate 4 are changed, add the dull polish structure at cutterbar holder 1 and 2 outer walls of impingement plate holder, increase surface friction, impingement plate holder 2 is changeed the separation with second recess 6.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (5)
1. A sampling head for an atmospheric particulate online monitor is characterized by comprising a cutter clamping piece, an impact plate clamping piece, a cutter and an impact plate; the cutter clamping piece and the impact plate clamping piece are respectively provided with a first groove and a second groove, and one end of the impact plate clamping piece, which is provided with the second groove, is sleeved in the first groove;
the cutter and the impact plate are arranged in the second groove, the cutter is in contact with the cutter clamping piece, and the impact plate is in contact with the impact plate clamping piece;
an air inlet duct is arranged between the first groove and the external environment; an air outlet channel is arranged between the second groove and the external environment; a sampling pipe is arranged in the air outlet pore passage;
the cutter and the impact plate are both columnar; the cutter is provided with a plurality of first flow guide holes; the first diversion holes are uniformly distributed around the circle center of the cutter; the impact plate is provided with a second flow guide hole; the second diversion holes are coaxially arranged with the impact plate; the impact plate is also provided with arc-shaped flow guide holes which are uniformly distributed around the circle center of the impact plate.
2. The sampling head for the atmospheric particulates online monitor according to claim 1, characterized in that: a first O-shaped ring is arranged at the joint of the cutter and the cutter clamping piece; a second O-shaped ring is arranged at the joint of the impact plate and the impact plate clamping piece; a third O-shaped ring is arranged at the joint of the cutter and the impact plate; and a fourth O-shaped ring is arranged between the sampling pipe and the inner wall of the air outlet pore channel.
3. The sampling head for the atmospheric particulates online monitor according to claim 1, characterized in that: a sealing cover is sleeved on the cutter clamping piece.
4. The sampling head for the atmospheric particulates online monitor according to claim 1, characterized in that: the impact plate clamping piece and the second groove are connected in a sleeved mode through threads.
5. The sampling head for the atmospheric particulates online monitor according to claim 1, characterized in that: the cutterbar holder with the striking plate holder outer wall all is equipped with dull polish structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121448674.XU CN215178961U (en) | 2021-06-28 | 2021-06-28 | Sampling head for atmospheric particulate matter on-line monitoring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121448674.XU CN215178961U (en) | 2021-06-28 | 2021-06-28 | Sampling head for atmospheric particulate matter on-line monitoring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215178961U true CN215178961U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121448674.XU Active CN215178961U (en) | 2021-06-28 | 2021-06-28 | Sampling head for atmospheric particulate matter on-line monitoring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215178961U (en) |
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2021
- 2021-06-28 CN CN202121448674.XU patent/CN215178961U/en active Active
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