CN212748443U - Sampling pipe of oil smoke particulate matter - Google Patents
Sampling pipe of oil smoke particulate matter Download PDFInfo
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- CN212748443U CN212748443U CN202021210364.XU CN202021210364U CN212748443U CN 212748443 U CN212748443 U CN 212748443U CN 202021210364 U CN202021210364 U CN 202021210364U CN 212748443 U CN212748443 U CN 212748443U
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Abstract
The utility model relates to a sampling pipe for oil smoke particles, which comprises a pipe body and a pressure measuring pipe, wherein the pressure measuring pipe is arranged in parallel with the pipe body, the front end of the pipe body is provided with a sampling head, the bottom of the sampling head is hinged with the bottom of the front end of the pipe body, and the sampling head is of a tubular structure and is communicated with the pipe body; the sampling head bottom is provided with push-and-pull portion, it has the push-and-pull portion to articulate on, the one end of push rod extends to the rear end of body. Utility model's an usage is, utilizes push rod control sampling head parallel with the body, and the sampling head of being convenient for inserts the sampling hole, and the push rod of controlling again makes the sampling head perpendicular to body to make the sampling head be on a parallel with the flue, make the oil smoke can directly get into the sampling head in, avoided the problem of the unable accurate sampling of body when perpendicular with the flue.
Description
Technical Field
The utility model relates to a sampling equipment field, more specifically, the utility model relates to a sampling pipe of oil smoke particulate matter.
Background
The oil smoke particles refer to oil and organic matters volatilized in the cooking and processing processes of food and heating decomposition or cracking products thereof, are a large amount of thermal oxidation decomposition products generated by edible oil and food under the high-temperature condition, and the oil smoke particle size is mostly 0.01-0.3 micron. Oil smoke particles are one of the main pollution sources in cities, so that oil smoke in a flue needs to be sampled to analyze the concentration of the oil smoke particles.
The oil smoke and particulate matter combined type sampling pipe is generally adopted to collect an oil smoke sample, in the collection process, the sampling pipe is inserted into a flue through a sampling hole, the discharged oil smoke waste gas is extracted by using a constant-speed sampling principle, namely the sampling flow rate is consistent with the flow rate in the flue, and the most accurate numerical value is achieved. However, due to the limited diameter of the sampling hole, the sampling pipe is usually inserted into the sampling hole perpendicular to the flue, and the oil smoke particles cannot be completely sucked by the sampling pipe due to the inertia of the oil smoke particles during collection, so that the analysis data is inaccurate.
Therefore, a novel sampling tube for oil smoke particles is needed, which can solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at solves the current poor problem of sampling pipe sampling accuracy.
According to one aspect of the utility model, a sampling pipe for oil smoke particles is provided, which comprises a pipe body and a pressure measuring pipe, wherein the pressure measuring pipe is arranged in parallel with the pipe body, the front end of the pipe body is provided with a sampling head, the bottom of the sampling head is hinged with the bottom of the front end of the pipe body, and the sampling head is of a tubular structure and is communicated with the pipe body; the sampling head bottom is provided with push-and-pull portion, it has the push-and-pull portion to articulate on, the one end of push rod extends to the rear end of body.
Through this scheme, utilize the push rod control sampling head parallel with the body, during the sampling head of being convenient for inserted the sampling hole, the push rod of controlling again makes the first perpendicular to body of sampling to make the sampling head be on a parallel with the flue, make the oil smoke can directly get into the sampling head, avoided the problem of the unable accurate sampling of body when perpendicular with the flue.
Preferably, the front end of body is sealed, the near front end in bottom of body is the sampling mouth, the sampling head rotate to with the body is perpendicular the back, the sampling head with the sampling mouth is linked together.
Through this scheme, guarantee that the sampling head just can put through when the perpendicular to body and sample, avoid the sampling failure or the poor problem of the degree of accuracy that the artificial reason caused.
Preferably, the rear end of the pipe body is provided with a hinge frame, the middle part of the shifting rod is hinged to the hinge frame, and the end part of the push rod is hinged to the bottom of the shifting rod.
Through this scheme, the rotation of utilization driving lever controls the activity of push rod, the operation of being convenient for to can make the push rod press close to the body all the time and arrange.
Preferably, after the sampling head rotates to be perpendicular to the pipe body, the front end of the piezometric pipe extends forwards out of the sampling head.
Through this scheme, guarantee the pressure-measuring pipe to the accuracy of pressure acquisition in the flue, the sampling that the interference of avoiding the sampling head caused is inaccurate.
Preferably, the sampling head is hinged to one side, close to the hinged frame, of the sampling port, and an anti-collision notch is formed in the rear end of the top of the sampling head.
By the scheme, when sampling is not needed, the sampling head can play a role in plugging the sampling port, so that the cleanness of the sampling port is ensured; and inaccurate sampling caused by opening of the sampling port when the sampling head is not adjusted in place can be ensured.
Preferably, the top of the sampling head is provided with a receiving groove, and the diameter of the receiving groove is not smaller than that of the piezometric tube; when the sampling head rotates to be parallel to the pipe body, the pressure measuring pipe is located in the accommodating groove.
Through this scheme, accomodate the effect that the groove can play the protection to the piezometric tube.
Preferably, a baffle is arranged at the front end of the accommodating groove, and blocking cotton is arranged on one side of the baffle, which faces the accommodating groove.
Through this scheme, play further guard action to the pressure-measuring pipe, baffle and the cotton setting of shutoff can avoid the dust to get into the pressure test accuracy that the pressure-measuring pipe caused poor.
The utility model discloses a technological effect lies in, during this sampling pipe not only can conveniently insert the flue through the sampling hole, can also make the sample connection towards the direction of flue, the defect that can not effectively get into the sample connection that the inertia of avoiding the oil smoke granule caused has improved the sampling precision.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural diagram of a sampling tube for oil smoke particles in the embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the sampling pipe for the soot particles in fig. 1 during sampling.
Fig. 3 is a schematic sectional view of a pipe body of the sampling pipe for oil smoke particles in fig. 1.
Fig. 4 is a schematic view of the structure at a-a in fig. 1.
Fig. 5 is a schematic sectional structural view of a sampling head of the sampling pipe for the soot particles in fig. 1.
Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Examples
As shown in fig. 1 to 5, the sampling tube for oil smoke particles in this embodiment includes a tube body 1100 and a pressure measuring tube 1200, the pressure measuring tube 1200 is disposed parallel to the tube body 1100, a sampling head 1300 is disposed at a front end of the tube body 1100, a bottom of the sampling head 1300 is hinged to a bottom of a front end of the tube body 1100, the sampling head 1300 is a tubular structure and is communicated with the tube body 1100, and the sampling head 1300 is disposed at a front end of the tube body 1100; the bottom of the sampling head 1300 is provided with a push-pull portion 1310, the push-pull portion 1310 is hinged with a push rod 1410, and one end of the push rod 1410 extends to the rear end of the tube 1100.
Through this scheme of this embodiment, utilize push rod 1410 control sampling head 1300 to be parallel with body 1100, be convenient for the sampling head 1300 to insert in the sampling hole, control push rod 1410 again makes the first 1300 perpendicular to body 1100 of sampling to make the sampling head 1300 be parallel to the flue, make the oil smoke can directly get into in the sampling head 1300 and get into body 1100, avoided the problem of the unable accurate sampling of body 1100 when perpendicular with the flue.
In this embodiment or its embodiments, the front end of the tube 1100 is closed, the bottom of the tube 1100 near the front end is a sampling port 1101, and after the sampling head 1300 is rotated to be perpendicular to the tube 1100, the sampling head 1300 is communicated with the sampling port 1101. This setting can guarantee that sampling head 1300 just can switch on when perpendicular to body 1100 and sample, avoids the sampling failure that the artificial reason caused or the poor problem of the degree of accuracy, avoids not rotating the just collection of position at sampling head 1300 promptly to the poor problem of sampling precision that causes.
In this embodiment or its embodiments, the rear end of the pipe 1100 is provided with a hinge frame 1110, the middle of the rod 1420 is hinged to the hinge frame 1110, and the end of the push rod 1410 is hinged to the bottom of the rod 1420. The rotation of the driving lever 1420 is used to control the movement of the push rod 1410, which is convenient for operation, and the push rod 1410 can be always arranged close to the pipe body 1100, so as to avoid the self-rotation and falling down to affect the operation.
In this embodiment or its embodiments, after the sampling head 1300 is rotated to be perpendicular to the pipe body 1100, the front end of the piezometric pipe 1200 extends forward out of the sampling head 1300. The accuracy of pressure acquisition in the flue by the pressure measuring pipe 1200 is guaranteed, and the influence on the sampling accuracy caused by airflow disturbance due to the interference of the sampling head 1300 is avoided.
In this embodiment or its embodiments, the sampling head 1300 is hinged to a side of the sampling port 1101 close to the hinge frame 1110, and the top rear end of the sampling head 1300 is provided with an anti-collision notch 1301. When sampling is not needed, the sampling head 1300 rotates to the horizontal state to play a role in plugging the sampling port 1101, so that the cleanness of the sampling port 1101 is ensured; the arrangement can ensure that the sampling head 1300 is not accurately sampled due to the opening of the sampling port 1101 when not being adjusted in place; the anti-collision notch 1301 can ensure that the sampling head 1300 does not collide with the front end of the tube 1100 in the rotating process.
In this embodiment or its embodiments, a receiving groove 1320 is disposed at the top of the sampling head 1300, and the diameter of the receiving groove 1320 is not smaller than the diameter of the piezometric tube 1200; when the sampling head 1300 rotates to be parallel to the pipe body 1100, the piezometer tube 1200 is located in the accommodating groove 1320. The receiving groove 1320 may protect the pressure measuring tube 1200.
In this embodiment or an embodiment thereof, a baffle 1321 is disposed at a front end of the accommodating groove 1320, a blocking cotton (not shown in the figure) is disposed on a side of the baffle 1321 facing the accommodating groove 1320, the blocking cotton is, for example, a dustproof mesh cloth or a dustproof cotton, and the blocking cotton further protects the pressure measuring tube 1200, and the arrangement of the baffle 1320 and the blocking cotton can prevent dust from entering the pressure measuring tube 1200, so that the pressure measurement accuracy is poor.
The technical effect of this embodiment lies in, during this sampling pipe not only can conveniently insert the flue through the sampling hole, can also make the sample connection towards the direction of flue, the defect that can not effectively get into the sample connection that the inertia of avoiding the oil smoke granule caused has improved the sampling precision.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (7)
1. A sampling pipe for oil smoke particles comprises a pipe body and a pressure measuring pipe, wherein the pressure measuring pipe is arranged in parallel to the pipe body; the sampling head bottom is provided with push-and-pull portion, it has the push-and-pull portion to articulate on, the one end of push rod extends to the rear end of body.
2. The sampling pipe for oil smoke particles as claimed in claim 1, wherein the front end of the pipe body is closed, the bottom of the pipe body near the front end is a sampling port, and the sampling head is communicated with the sampling port after rotating to be vertical to the pipe body.
3. The sampling tube for lampblack particles as claimed in claim 2, wherein a hinge frame is arranged at the rear end of the tube body, the middle of a deflector rod is hinged to the hinge frame, and the end of the push rod is hinged to the bottom of the deflector rod.
4. The sampling pipe for oil smoke particles as claimed in claim 3, wherein the front end of the pressure measuring pipe extends forwards out of the sampling head after the sampling head rotates to be perpendicular to the pipe body.
5. The sampling pipe of oil smoke particulate matter of claim 4, characterized in that, the sampling head is articulated to the side of the sampling mouth that is close to the articulated frame, the top rear end of sampling head is provided with crashproof breach.
6. The sampling pipe for the oil smoke particles is characterized in that a containing groove is formed in the top of the sampling head, and the diameter of the containing groove is not smaller than that of the pressure measuring pipe; when the sampling head rotates to be parallel to the pipe body, the pressure measuring pipe is located in the accommodating groove.
7. The sampling pipe for oil smoke particles as claimed in claim 6, wherein the front end of the containing groove is provided with a baffle, and one side of the baffle facing the containing groove is provided with a blocking cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021210364.XU CN212748443U (en) | 2020-06-28 | 2020-06-28 | Sampling pipe of oil smoke particulate matter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021210364.XU CN212748443U (en) | 2020-06-28 | 2020-06-28 | Sampling pipe of oil smoke particulate matter |
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| CN212748443U true CN212748443U (en) | 2021-03-19 |
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| CN202021210364.XU Active CN212748443U (en) | 2020-06-28 | 2020-06-28 | Sampling pipe of oil smoke particulate matter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532960A (en) * | 2021-08-19 | 2021-10-22 | 青岛聚源环保科技有限公司 | Automatic sampling monitoring system for atmospheric particulate matters |
-
2020
- 2020-06-28 CN CN202021210364.XU patent/CN212748443U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532960A (en) * | 2021-08-19 | 2021-10-22 | 青岛聚源环保科技有限公司 | Automatic sampling monitoring system for atmospheric particulate matters |
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