CN215116342U - Receiving end acoustic waveguide - Google Patents
Receiving end acoustic waveguide Download PDFInfo
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- CN215116342U CN215116342U CN202121646236.4U CN202121646236U CN215116342U CN 215116342 U CN215116342 U CN 215116342U CN 202121646236 U CN202121646236 U CN 202121646236U CN 215116342 U CN215116342 U CN 215116342U
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- cooling
- pipe
- receiving end
- acoustic waveguide
- cooling body
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Abstract
The utility model discloses a receiving terminal sound wave pipe, including compressing tightly the pipe, compress tightly pipe one end and be provided with the flange who is used for with pipeline flange joint, the other end slides and is connected with the protection tube, compresses tightly the setting element that the lateral wall was provided with fixed protection tube on the pipe, is provided with the cooling part in the protection tube, places the sensor in the cooling part. The utility model discloses make the sensor can normally work under high temperature environment.
Description
Technical Field
The utility model belongs to the sound wave pipe field especially relates to a receiving terminal sound wave pipe.
Background
Along with the continuous development of sound wave technique, more and more propose higher requirement, the application of sound wave technique at pipeline measurement temperature, wind speed etc. has been had, the utility model relates to an adopt the real-time wind speed measurement system of this sound wave pipe, gaseous velocity of flow in the measuring pipeline that this system can be accurate, its detection sensor that is used for the receiving terminal is applicable to the detection achievement under the normal atmospheric temperature operating mode, if use at high temperature environment, need use relevant cooling implementation, if change high temperature resistant type sensor, though can bear the high temperature of 400 degrees centigrade, but the structure is complicated, and is expensive, if it is high at the gas velocity of flow for a long time, it also very easily damages to operate in the high temperature environment. The sound wave measurement technology is always a difficult problem in the field of high temperature, because the detection sensor of ordinary model can not normally work for a long time under high temperature, and the inside original paper does not have high temperature resistant characteristic, easily burns out, so developed a sound wave guide pipe that can effectively reduce the temperature around the sensor as required, under the circumstances of guaranteeing measurement accuracy, can effectively reduce its temperature around, make its normal work for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough to the background art provides a receiving end sound wave pipe for the sensor can normally work under high temperature environment.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
the utility model provides a receiving end sound wave pipe, is provided with the flange who is used for with pipeline flange joint including pressing the pipe tightly, compresses tightly pipe one end, and the other end slides and is connected with the protection tube, compresses tightly the setting element that the pipe upper side wall was provided with fixed protection tube, is provided with the cooling part in the protection tube, places the sensor in the cooling part.
Further, the cooling piece comprises a cooling body and a cooling head, and the protection pipe is in threaded connection with the cooling head.
Furthermore, the cooling body is composed of two identical semi-cylinders, and a sensor is arranged in the middle of the cooling body; the one end that the cooling body kept away from the cooling head is provided with the inlet port, and the middle part sets up spiral air duct, and the one end that is close to the cooling head is provided with a plurality of gas pockets, and the cooling head is inside to be leaks hopper-shaped to the direction bore crescent towards the cooling body.
Further, the pressing pipe and the protection pipe are both made of stainless steel sound wave round pipes.
Further, a heat insulation pad is arranged between the pipeline flange and the connecting flange.
Furthermore, the positioning piece is a positioning bolt.
The utility model adopts the above technical scheme to compare with prior art, have following technological effect:
the utility model discloses a receiving end sound wave pipe has been researched and developed, this pipe can effectively reduce sensor ambient temperature, when guaranteeing the system measurement's precision, the cost is reduced by a wide margin, has solved the difficult problem of sound wave measurement in the high temperature field to the degree of difficulty of installation and maintenance has been reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
fig. 2 is a schematic structural view of the cooling member in this embodiment.
In the figure, 101, a pressing pipe; 102. protecting the tube; 103. a cooling head; 104. a cooling body; 105. a heat insulating pad; 106. a pipeline to be tested; 107. an air inlet; 108. a spiral gas groove; 109. and (4) air holes.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings as follows:
in the description of the present invention, it should be understood that the terms "left side", "right side", "upper part", "lower part" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, "first", "second" and the like do not indicate the degree of importance of the component parts, and thus, are not to be construed as limiting the present invention. The specific dimensions used in the present embodiment are only for illustrating the technical solution, and do not limit the protection scope of the present invention.
A receiving end acoustic waveguide, as shown in fig. 1 and 2, comprises a compression pipe 101, wherein one end of the compression pipe 101 is provided with a connecting flange for connecting with a pipeline flange, and a heat insulation pad 105 is arranged between the pipeline flange and the connecting flange. The other end is connected with a protection tube 102 in a sliding manner, a positioning piece for fixing the protection tube 102 is arranged on the side wall of the pressing tube 101, and the positioning piece is a positioning bolt. A cooling element is arranged in the protective tube 102, and a sensor is arranged in the cooling element. The pressing pipe 101 and the protection pipe 102 are both made of stainless steel sonic circular pipes.
The cooling piece comprises a cooling body 104 and a cooling head 103, and the protection pipe 102 is in threaded connection with the cooling head 103. The cooling body 104 is composed of two identical semi-cylinders, and a sensor is arranged in the middle of the cooling body; an air inlet hole 107 is formed in one end, far away from the cooling head 103, of the cooling body 104, a spiral air groove 108 is formed in the middle of the cooling body, a plurality of air holes 109 are formed in one end, close to the cooling head 103, of the cooling body 103, the inside of the cooling head 103 is funnel-shaped, and the caliber of the cooling body 104 is gradually increased in the direction towards the cooling body.
Specifically, the protective tube 102 may be moved within the compression tube 101 so as to change the distance between the protective tube 102 and the pipe 106 to be measured, and fixed by a positioning bolt. The tail part of the cooling body 104 is provided with an air inlet 107, and the front end of the cooling body 104 is provided with 12 air holes 109; the outside compressed air flows in from the air inlet 107 at the tail of the cooling body 104 and flows forwards in the cooling body 104 along the spiral air groove 108, the spiral path can be fully cooled by the air, and then flows into the cooling head 103 through the 12 air holes 109 at the front end, the funnel-shaped structure in the cooling head 103 can fold the cooling head, so that the cooling head can uniformly flow into the protection pipe 102, and the compressed air is conveyed forwards from the tail of the cooling body 104 to protect the sensor from being invaded by high-temperature gas of a measured pipeline.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Above embodiment only is for explaining the utility model discloses a technical thought can not be injectd with this the utility model discloses a protection scope, all according to the utility model provides a technical thought, any change of doing on technical scheme basis all falls into the utility model discloses within the protection scope. Although the embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those skilled in the art.
Claims (6)
1. A receiving end acoustic waveguide, comprising: including compressing tightly the pipe, compress tightly pipe one end and be provided with the flange who is used for with pipeline flange joint, the other end slides and is connected with the protection tube, compresses tightly the setting element that the pipe upper side wall was provided with fixed protection tube, is provided with the cooling part in the protection tube, places the sensor in the cooling part.
2. A receiving end acoustic waveguide as claimed in claim 1, wherein: the cooling piece comprises a cooling body and a cooling head, and the protection pipe is in threaded connection with the cooling head.
3. A receiving end acoustic waveguide as claimed in claim 2, wherein: the cooling body consists of two identical semi-cylinders, and a sensor is arranged in the middle of the cooling body; the one end that the cooling body kept away from the cooling head is provided with the inlet port, and the middle part sets up spiral air duct, and the one end that is close to the cooling head is provided with a plurality of gas pockets, and the cooling head is inside to be leaks hopper-shaped to the direction bore crescent towards the cooling body.
4. A receiving end acoustic waveguide as claimed in claim 1, wherein: the pressing pipe and the protection pipe are both made of stainless steel sound wave round pipes.
5. A receiving end acoustic waveguide as claimed in claim 1, wherein: and a heat insulation pad is arranged between the pipeline flange and the connecting flange.
6. A receiving end acoustic waveguide as claimed in claim 1, wherein: the positioning piece is a positioning bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121646236.4U CN215116342U (en) | 2021-07-20 | 2021-07-20 | Receiving end acoustic waveguide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121646236.4U CN215116342U (en) | 2021-07-20 | 2021-07-20 | Receiving end acoustic waveguide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215116342U true CN215116342U (en) | 2021-12-10 |
Family
ID=79321874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121646236.4U Active CN215116342U (en) | 2021-07-20 | 2021-07-20 | Receiving end acoustic waveguide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215116342U (en) |
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2021
- 2021-07-20 CN CN202121646236.4U patent/CN215116342U/en active Active
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