CN109682549B - Novel trachea capable of reducing pressure drop - Google Patents
Novel trachea capable of reducing pressure drop Download PDFInfo
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- CN109682549B CN109682549B CN201910157383.6A CN201910157383A CN109682549B CN 109682549 B CN109682549 B CN 109682549B CN 201910157383 A CN201910157383 A CN 201910157383A CN 109682549 B CN109682549 B CN 109682549B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
- G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/182—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for tubes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- Respiratory Apparatuses And Protective Means (AREA)
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Abstract
The invention discloses a novel trachea capable of reducing pressure drop, which comprises a trachea wall, wherein drag reduction regular stripes are arranged on the inner surface of the trachea wall, a trachea installation protection device is arranged on the outer surface of the middle part of the trachea wall, and a trachea leakage alarm device is fixedly arranged on the outer surface of the lower end of the trachea installation protection device. According to the invention, through the drag reduction regular stripes and the drag reduction regular stripes, the gradient and the length of each stripe can be calculated through a helter method, so that the differential pressure resistance can be minimized, the use of people is facilitated, when the tracheal wall is broken, the internal gas leaks out, a series of actions are performed by using the pressure of the gas to enable the circuit of the alarm horn to be connected, the gas pipe is prompted to be broken, the gas pipe is replaced and maintained in time, and after the gas pipe is installed, dust and greasy dirt are prevented from being attached, and the next detachment and maintenance are prevented.
Description
Technical Field
The invention relates to the field of air pipes, in particular to a novel air pipe capable of reducing pressure drop.
Background
The utility model provides a novel trachea that can reduce pressure drop is a direction connection instrument that reduces the loss with compressed gas, and its convenient to use has obtained wide use, but along with the development of time technological technology, people are also higher to the function requirement of a novel trachea that can reduce pressure drop.
In use, a novel trachea with reduced pressure drop can perform the following forms of operations: the laminar flow of the boundary layer is changed into turbulent flow according to the boundary layer effect, and the speed distribution in the boundary layer of the turbulent flow is more plump than the speed distribution in the boundary layer of the laminar flow, so the boundary layer of the turbulent flow is not easy to become thin in a deceleration zone, and the loss of the boundary layer of the laminar flow is reduced.
The novel trachea that can reduce pressure drop now, though simple structure, convenient to use, but the function is single, and the novel trachea that can reduce pressure drop now can not let the inside gaseous pressure loss of trachea drop to minimum in the use, has certain unfavorablely, and the novel trachea that can reduce pressure drop now can not protect the screw department of installation to be stained with by the dust greasy dirt after the installation trachea has certain adverse effect, and the novel trachea that can reduce pressure drop now can not in time remind people when the trachea has revealing when using, has certain adverse effect, and for this reason, we propose a novel trachea that can reduce pressure drop.
Disclosure of Invention
The invention aims to overcome the existing defects, and provides a novel air pipe capable of reducing pressure drop, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the anti-drag device comprises an air pipe wall, wherein drag reduction regular stripes are arranged on the inner surface of the air pipe wall, an air pipe installation protection device is arranged on the outer surface of the middle of the air pipe wall, and an air pipe leakage alarm device is fixedly arranged on the outer surface of the lower end of the air pipe installation protection device.
1. As a preferable technical scheme of the drag reduction rule stripe, a third inclined plane is fixedly connected to the outer surface of one side of the drag reduction rule stripe, a fourth arc-shaped surface is fixedly connected to the outer surface of one side of the third inclined plane, a first inclined plane is fixedly connected to the outer surface of one side of the fourth arc-shaped surface, and a second inclined plane is fixedly connected to the outer surface of one side of the first inclined plane.
2. As a preferable technical scheme of the invention, the outer surface of the tracheal wall is provided with the dustproof protection cover, the inner surface of the dustproof protection cover is provided with the mounting block, and the inner surface of the middle part of the mounting block is provided with the mounting screw holes.
3. As a preferable technical scheme of the invention, a leakage collecting shell is arranged on one side of the tracheal leakage alarming device, a working shell is fixedly connected to one side outer surface of the leakage collecting shell, a telescopic displacement block is arranged on one side outer surface of the working shell, a telescopic contact piece and a telescopic spring are fixedly connected to one side outer surface of the telescopic displacement block, a loudspeaker connecting contact block is fixedly connected to one side outer surface of the telescopic spring, an alarming loudspeaker is fixedly arranged at one side of the loudspeaker connecting contact block, T iron is fixedly arranged on one side inner surface of the alarming loudspeaker, a magnet is fixedly arranged on one side outer surface of the T iron, a Huasi is arranged on one side outer surface of the magnet, a voice coil is arranged on one side outer surface of the voice coil, a basin wave is arranged on one side outer surface of the voice coil, a basin paper is arranged on one side inner surface of the basin frame, and a dustproof cover is arranged on one side inner surface of the basin paper.
4. As a preferable technical scheme of the invention, the shape of the fourth arc-shaped surface is arc-shaped, the radius of the fourth arc-shaped surface is 1mm, the length of the first inclined surface is 1.3mm, the angle between the first inclined surface and the inner wall of the tracheal wall is 43.4 degrees, the length of the second inclined surface is 1.8mm, the angle between the second inclined surface and the inner wall of the tracheal wall is 9.8 degrees, the length of the third inclined surface is 1.6mm, and the angle between the third inclined surface and the inner wall of the tracheal wall is 28 degrees.
5. As a preferable technical scheme of the invention, the inner surface of the mounting block is fixedly connected with the outer surface of the middle part of the tracheal wall, threads are arranged between the mounting block and the dustproof protection cover, and the outer surface of the mounting block is detachably connected with the inner surface of the dustproof protection cover through the threads.
6. As a preferable technical scheme of the invention, a gas leakage collecting groove is formed between the leakage collecting shell and the tracheal wall, the inner surfaces of the two ends of the leakage collecting shell are fixedly connected with the outer surfaces of the two ends of the tracheal wall, a sliding groove is formed between the telescopic displacement block and the working shell, the outer surface of the telescopic displacement block is in sliding connection with the inner surface of the working shell through the sliding groove, the front end of the telescopic contact piece is provided with a first power supply connecting end, the rear end of the first power supply connecting end is fixedly connected with a first power supply wire, the outer surface of the middle part of one end of the horn connecting contact piece is provided with a second power supply connecting end, the alarm horn and the second power supply connecting end are provided with a second power supply wire, and the input end of the alarm horn is electrically connected with the output end of the second power supply wire.
7. As a preferable technical scheme of the invention, the outer surface of the lower end of the mounting block is fixedly connected with the outer surface of the upper end of the leakage collecting shell, a movable groove is formed between the dustproof protection cover and the leakage collecting shell, and the inner surface of the lower end of the dustproof protection cover is movably connected with the outer surface of the leakage collecting shell through the movable groove.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the radius of the fourth arc surface is 1mm through calculation by a Herde method through drag reduction regular stripes, the rear tip tail can be divided into three sections, the first inclined surface closest to the fourth arc surface is a section of plane with the length of 1.3mm forming an angle of 43.4 ︒ with the outer wall, the second inclined surface is a plane with the length of 1.8mm forming an angle of 9.8 ︒ with the outer wall, the length of the last inclined surface is 1.6mm, the angle with the outer wall is 28 ︒, and the minimum differential pressure resistance is achieved.
2. According to the invention, through the tracheal leakage alarm device, when the tracheal wall is broken due to the action of the internal gas pressure, the leaked gas enters the leakage collection shell and then enters the working shell, and the telescopic displacement block is pushed to move, so that the power supply connecting end of the telescopic contact piece is connected with the connecting end above the horn connecting contact block, the circuit of the horn is connected, and the alarm horn is electrified to inform people of the tracheal wall breakage and timely process.
3. According to the invention, the protection device is arranged through the air pipe, after the air pipe is fixedly connected and arranged by people, the dustproof protection cover is screwed on, so that dust is prevented from falling on the dustproof protection cover and becoming greasy dirt to be attached on the dustproof protection cover after the dustproof protection cover is in oil phase of a machine, and the dustproof protection cover is beneficial to the disassembly and maintenance of people.
Drawings
FIG. 1 is an overall view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a schematic representation of the structure of drag reducing regular stripe 2 of FIG. 1 in accordance with the present invention;
fig. 5 is a schematic view of the structure of the tracheal installation protection device 4 of fig. 1 according to the present invention;
FIG. 6 is a schematic view showing the structure of the tracheal leakage warning device 3 of FIG. 1 according to the present invention;
fig. 7 is an exploded view of the warning horn 307 of fig. 6 in accordance with the present invention;
in the figure: 1. tracheal wall; 2. drag reducing regular stripes; 21. a first inclined plane; 22. a second inclined plane; 23. a third inclined plane; 24. a fourth arc surface; 3. an air tube leakage alarm device; 301. a leakage collection housing; 302. a working housing; 303. a telescopic displacement block; 304. a telescoping contact; 305. a telescopic spring; 306. the loudspeaker is connected with the contact block; 307. an alarm horn; 308. t iron; 309. a magnet; 310. huasi; 311. a voice coil; 312. a flick wave; 313. a basin stand; 314. basin paper; 315. a dust cover; 4. a protection device is arranged on the air pipe; 41. a dust-proof protective cover; 42. a mounting block; 43. and installing screw holes.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a novel trachea that can reduce pressure drop, includes trachea pipe wall 1, and the internal surface of trachea pipe wall 1 is provided with drag reduction rule stripe 2, and the middle part surface of trachea pipe wall 1 is provided with trachea installation protection device 4, and the lower extreme surface fixed mounting of trachea installation protection device 4 has trachea to reveal alarm device 3.
The pressure loss of gas can be minimized, in this embodiment, preferably, the outer surface of one side of the drag reduction rule stripe 2 is fixedly connected with a No. three inclined plane 23, one side outer surface of the No. three inclined plane 23 is fixedly connected with a No. four arc surface 24, one side outer surface of the No. four arc surface 24 is fixedly connected with a No. one inclined plane 21, and one side outer surface of the No. one inclined plane 21 is fixedly connected with a No. two inclined plane 22.
Can protect the health of trachea junction, make things convenient for people to dismantle, in this embodiment, preferably, the surface of tracheal wall 1 is provided with dustproof safety cover 41, and dustproof safety cover 41's internal surface is provided with installation piece 42, and installation screw hole 43 has all been seted up to the middle part internal surface of installation piece 42.
Can remind people's trachea to break, the gas is leaked, in this embodiment, preferably, one side of the warning device 3 is leaked to the trachea is provided with and is leaked and collect shell 301, leak and collect shell 301's one side surface fixedly connected with work shell 302, work shell 302's one side surface is provided with flexible displacement piece 303, flexible displacement piece 303's one end surface fixedly connected with flexible contact 304 and flexible spring 305, flexible spring 305's one end surface fixedly connected with loudspeaker connection contact 306, loudspeaker connection contact 306's one end fixedly mounted has warning loudspeaker 307, warning loudspeaker 307's one end surface fixed mounting has T iron 308, T iron 308's one side surface fixed mounting has magnet 309, magnet 309's one side is provided with the Wash 310, wash 310's one side surface is provided with voice coil 311's one side surface is provided with bullet ripples 312, bullet ripples 312's 312 one side surface is provided with basin frame 313, basin frame 313's one side surface is provided with basin paper 314, basin paper 314's one side surface is provided with shield 315.
The gas pressure loss that can realize is minimum, in this embodiment, preferably, no. four arcwall face 24's shape is the arc, and No. four arcwall face 24 radius is 1mm, and No. one inclined plane 21's length is 1.3mm, and No. one inclined plane 21 is 43.4 degrees with the inner wall angle of tracheal wall 1, and No. two inclined plane 22's length is 1.8mm, and No. two inclined plane 22 is 9.8 degrees with the inner wall angle of tracheal wall 1, and No. three inclined plane 23's length is 1.6mm, and No. three inclined plane 23 is 28 degrees with the inner wall angle of tracheal wall 1.
In this embodiment, preferably, the inner surface of the mounting block 42 is fixedly connected with the outer surface of the middle part of the tracheal wall 1, threads are arranged between the mounting block 42 and the dustproof protection cover 41, and the outer surface of the mounting block 42 is detachably connected with the inner surface of the dustproof protection cover 41 through the threads.
In this embodiment, preferably, a gas leakage collecting groove is formed between the leakage collecting housing 301 and the tracheal wall 1, two end inner surfaces of the leakage collecting housing 301 are fixedly connected with two end outer surfaces of the tracheal wall 1, a sliding groove is formed between the telescopic displacement block 303 and the working housing 302, the outer surface of the telescopic displacement block 303 is slidably connected with the inner surface of the working housing 302 through the sliding groove, a first power supply connecting end is arranged at the front end of the telescopic contact 304, a first power supply wire is fixedly connected with the rear end of the first power supply connecting end, a second power supply connecting end is arranged at the outer surface of the middle part of one end of the horn connecting contact block 306, a second power supply wire is arranged at the outer surfaces of the alarm horn 307 and the second power supply connecting end, and the input end of the alarm horn 307 is electrically connected with the output end of the second power supply wire.
In this embodiment, preferably, the outer surface of the lower end of the mounting block 42 is fixedly connected with the outer surface of the upper end of the leakage collecting housing 301, a movable groove is formed between the dust-proof protecting cover 41 and the leakage collecting housing 301, and the inner surface of the lower end of the dust-proof protecting cover 41 is movably connected with the outer surface of the leakage collecting housing 301 through the movable groove.
The working principle and the using flow of the invention are as follows: when people use the air pipe, firstly, after the air pipe is installed and connected, the dustproof protection cover 41 is screwed down, dust and greasy dirt are prevented from adhering, no hand is left at the next disassembly, after the air pipe is used for a long time, the inner wall of the air pipe wall 1 is broken due to the pressure of the air in the air pipe wall 1, the leaked air can be collected from the inside of the leakage collecting shell 301 through the arranged air pipe leakage alarming device 3, the gas in the leakage collecting shell 301 is collected more, the generated pressure generates pressure on the telescopic displacement block 303, the telescopic displacement block 303 slides in the working shell 302, the telescopic contact 304 is driven to move, the power contact end at one end of the telescopic contact 304 is contacted with the power contact end of the loudspeaker above the loudspeaker connecting contact block 306, the circuit of the alarming loudspeaker 307 is closed, the alarm horn 307 starts working after being electrified, sounds to prompt the tracheal leakage of people, so that people can make a treatment method in time, when gas enters the pipeline, the pressure loss can be reduced to the minimum by the designed drag reduction rule stripes 2, the radius of the four arc-shaped surface 24 is 1mm by the Herde method, the rear pointed tail can be divided into three sections, the first inclined surface 21 closest to the four arc-shaped surface 24 is a section of plane with the length of 1.3mm forming an angle of 43.4 ︒ with the outer wall, the second inclined surface 22 is a plane with the length of 1.8mm forming an angle of 9.8 ︒ with the outer wall, the length of the last three inclined surfaces 23 is 1.6mm, the angle with the outer wall is 28 ︒, the pressure difference resistance is minimum, the tracheal wall 1 used by people is cast integrally of alloy cast iron, the tightness is effectively increased, and the use of the tracheal wall is beneficial to people.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A novel trachea capable of reducing pressure drop, which comprises a trachea wall (1), and is characterized in that: the anti-drag regular stripes (2) are arranged on the inner surface of the tracheal wall (1), a tracheal installation protection device (4) is arranged on the outer surface of the middle part of the tracheal wall (1), and a tracheal leakage alarm device (3) is fixedly arranged on the outer surface of the lower end of the tracheal installation protection device (4);
the drag reduction regular stripe (2) is characterized in that a third inclined plane (23) is fixedly connected to the outer surface of one side of the drag reduction regular stripe (2), a fourth arc-shaped surface (24) is fixedly connected to the outer surface of one side of the third inclined plane (23), a first inclined plane (21) is fixedly connected to the outer surface of one side of the fourth arc-shaped surface (24), and a second inclined plane (22) is fixedly connected to the outer surface of one side of the first inclined plane (21);
the outer surface of the tracheal wall (1) is provided with a dustproof protection cover (41), the inner surface of the dustproof protection cover (41) is provided with a mounting block (42), and the inner surface of the middle part of the mounting block (42) is provided with a mounting screw hole (43);
the utility model provides a tracheal leakage alarm device (3) one side is provided with and reveals and collect shell (301), reveal one side surface fixed connection of collecting shell (301) has work shell (302), the internal surface of work shell (302) is provided with flexible displacement piece (303), one end surface fixed connection of flexible displacement piece (303) has flexible contact piece (304) and telescopic spring (305), one end surface fixed connection of telescopic spring (305) has loudspeaker to connect contact piece (306), one end fixed mounting of loudspeaker to connect contact piece (306) has warning loudspeaker (307), one end internal surface fixed mounting of warning loudspeaker (307) has T iron (308), one side surface fixed mounting of T iron (308) has magnet (309), one side of magnet (309) is provided with Was (310), one side surface of Was (310) is provided with (311) one side surface of voice coil (311) is provided with bullet ripples (312), one side surface of bullet ripples (312) is provided with basin frame (313), one side surface of basin frame (313) is provided with one side internal surface of basin (314), one side surface (314) is provided with paper lid (315).
2. A novel trachea with reduced pressure drop as claimed in claim 1, wherein: the shape of No. four arcwall face (24) is the arc, and No. four arcwall face (24) radius is 1mm, the length of No. one inclined plane (21) is 1.3mm, and No. one inclined plane (21) is 43.4 degrees with the inner wall angle of tracheal wall (1), the length of No. two inclined planes (22) is 1.8mm, and No. two inclined planes (22) are 9.8 degrees with the inner wall angle of tracheal wall (1), the length of No. three inclined planes (23) is 1.6mm, and No. three inclined planes (23) are 28 degrees with the inner wall angle of tracheal wall (1).
3. A novel trachea with reduced pressure drop as claimed in claim 1, wherein: the inner surface of the installation block (42) is fixedly connected with the middle outer surface of the tracheal wall (1), threads are arranged between the installation block (42) and the dustproof protection cover (41), and the outer surface of the installation block (42) is detachably connected with the inner surface of the dustproof protection cover (41) through the threads.
4. A novel trachea with reduced pressure drop as claimed in claim 1, wherein: the gas leakage collecting tank is arranged between the leakage collecting housing (301) and the tracheal wall (1), the inner surfaces of the two ends of the leakage collecting housing (301) are fixedly connected with the outer surfaces of the two ends of the tracheal wall (1), a sliding groove is arranged between the telescopic displacement block (303) and the working housing (302), the outer surface of the telescopic displacement block (303) is slidably connected with the inner surface of the working housing (302) through the sliding groove, the front end of the telescopic contact piece (304) is provided with a first power supply connecting end, the rear end of the first power supply connecting end is fixedly connected with a first power supply wire, the outer surface of the middle part of one end of the horn connecting contact block (306) is provided with a second power supply connecting end, and the input end of the alarm horn (307) is electrically connected with the output end of the second power supply wire.
5. A novel trachea with reduced pressure drop as claimed in claim 1, wherein: the lower extreme surface of installation piece (42) and reveal the upper end surface fixed connection of collecting shell (301), dustproof safety cover (41) and reveal and have seted up the movable groove between collecting shell (301), the lower extreme internal surface of dustproof safety cover (41) is through movable groove and reveal the surface swing joint of collecting shell (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910157383.6A CN109682549B (en) | 2019-03-01 | 2019-03-01 | Novel trachea capable of reducing pressure drop |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910157383.6A CN109682549B (en) | 2019-03-01 | 2019-03-01 | Novel trachea capable of reducing pressure drop |
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| CN109682549A CN109682549A (en) | 2019-04-26 |
| CN109682549B true CN109682549B (en) | 2023-09-08 |
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| CN201910157383.6A Active CN109682549B (en) | 2019-03-01 | 2019-03-01 | Novel trachea capable of reducing pressure drop |
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| CN110397817B (en) * | 2019-08-07 | 2020-12-01 | 济南庆学冶金设备有限公司 | Axial expansion joint |
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| CN109682549A (en) | 2019-04-26 |
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