CN214198711U - High-efficiency audio ash remover - Google Patents
High-efficiency audio ash remover Download PDFInfo
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- CN214198711U CN214198711U CN202022166900.7U CN202022166900U CN214198711U CN 214198711 U CN214198711 U CN 214198711U CN 202022166900 U CN202022166900 U CN 202022166900U CN 214198711 U CN214198711 U CN 214198711U
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Abstract
The utility model relates to a high-efficiency audio deashing device, which comprises an audio generating device (3), wherein the audio generating device (3) comprises a base (3.1), a metal diaphragm (3.2), an end cover (3.3), a sound guide pipe (3.4) and a sound amplifying pipe (3.5); the end cover (3.3) is fixedly arranged at the right end of the base (3.1) through a bolt; the metal membrane (3.2) is arranged between the base (3.1) and the end cover (3.3); the right end of the sound guide tube (3.4) is screwed at the left end of the central through hole (3.6) of the base (3.1); the right end of the sound amplifying tube (3.5) is connected with the left end of the sound guide tube (3.4) in a welding mode. The utility model discloses simple structure improves life, reduces the compressed air consumption by a wide margin, can adapt to multiple deashing application scenario, maintains and use cost hangs down.
Description
Technical Field
The utility model relates to a high-efficient audio frequency deashing ware especially relates to a diaphragm formula audio frequency deashing ware, belongs to sound wave deashing technical field.
Background
The present audio dust remover is widely used in electric dust remover, bag-type dust remover, cyclone dust remover, gypsum bin, lime bin, cement bin, material bin, desulfurizing flue, coal economizer flue, etc. where the material hanging accumulation and unsmooth circulation are formed, and can eliminate the ash deposit, honeycomb hole, bridge or blockage on the material hanging surface of various material bins.
The existing diaphragm type audio dust remover has the disadvantages of low diaphragm service life, high air consumption and higher maintenance and use cost; the effect expression is greatly different in different application occasions, and the like.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned not enough, provide a diaphragm life-span height, air consumption little, can adapt to multiple deashing application scenario, maintain and the low high-efficient audio frequency deashing ware of use cost.
The purpose of the utility model is realized like this:
a high-efficiency audio ash cleaner comprises an audio generating device, wherein the audio generating device comprises a base, a metal diaphragm, an end cover, a sound guide pipe and a sound amplifying pipe; the end cover is fixedly arranged at the right end of the base through a bolt; the metal diaphragm is arranged between the base and the end cover; the right end of the sound guide pipe is screwed at the left end of the central through hole of the base; the right end of the sound amplifying tube is welded with the left end of the sound guide tube;
the left end of the central through hole of the base is an internal threaded hole, and the right end of the central through hole of the base is a conical hole; the end surface of the conical hole is tightly attached to the metal diaphragm to form a sound generating cavity; a groove on the end surface of the base at the periphery of the conical hole is tightly attached to the metal diaphragm to form a first air cavity and a second air cavity; the first air cavity is provided with an air inlet;
a counter bore is formed in the center of the left end face of the end cover, and the end face of the counter bore is tightly attached to the metal diaphragm to form a third air cavity; an end cover end face groove on the periphery of the counter bore is tightly attached to the metal diaphragm to form a fourth air cavity and a fifth air cavity;
the corresponding positions of the base and the edge of the end cover are provided with a plurality of grooves to form a plurality of small air cavities.
The utility model relates to a high-efficiency audio frequency ash remover, wherein the depth of a first air cavity is larger than that of a second air cavity, and the width of the first air cavity is smaller than that of the second air cavity; the position of the third air cavity corresponds to the left and right positions of the sounding cavity and the local second air cavity; the position of the fourth air cavity corresponds to the positions of the local second air cavity and the local first air cavity left and right; the fifth air cavity corresponds to the local first air cavity in position left and right.
The utility model relates to a high-efficient audio frequency deashing ware, communicate mutually through the gap between base and the end cover between each little air cavity.
The utility model relates to a high-efficient audio frequency deashing ware, the counter bore bottom surface is the arcwall face, and counter bore bottom central point puts and is equipped with a circular sunkenly.
The utility model relates to a high-efficient audio frequency deashing ware, be linked together through the glossy through-hole of inner wall between the internal thread hole of center through-hole and the bell mouth.
The utility model relates to a high-efficiency audio frequency ash cleaner, the sound guide tube comprises an inner tube and an outer tube, the right end of the inner tube is screwed in the internal thread hole of the central through hole of the base, the outer tube is sleeved outside the inner tube and is welded with the inner tube, and the left end of the outer tube is welded with the sound amplifying tube; the diameter of the inner wall of the inner pipe is gradually increased from right to left.
The utility model relates to a high-efficient audio frequency deashing ware, the inner wall of public address pipe is involute's loudspeaker shape.
The utility model relates to a high-efficient audio frequency deashing ware, the material of metal diaphragm is titanium metal.
The utility model relates to a high-efficiency audio frequency ash cleaner, which comprises an installation manhole cover and an audio frequency generating device, wherein the left end part of the audio frequency generating device is embedded in the installation manhole cover; the pipeline connecting the right air inlet of the audio frequency generating device and the compressed air source is sequentially connected with an electromagnetic valve, a Y-shaped filter, a compressed air filter and a ball valve in series.
When the device works, compressed air enters the air inlet through the ball valve, the compressed air filter, the Y-shaped filter and the electromagnetic valve on the air inlet pipeline, the compressed air enters the first air cavity from the air inlet, when the pressure of the compressed air in the first air cavity exceeds the self deformation resistance of the metal diaphragm and the air pressure of the fourth air cavity on the back of the metal diaphragm, the compressed air in the first air cavity pushes the metal diaphragm away to enter the second air cavity, and the metal diaphragm returns to a closed state because the pressure of the compressed air in the first air cavity is released instantly and is reduced; when the pressure of the compressed air entering the second air cavity exceeds the self deformation resistance of the metal diaphragm and the air pressure of a third air cavity on the back side of the metal diaphragm, the compressed air in the second air cavity pushes the metal diaphragm to enter the sounding cavity, and the metal diaphragm returns to a closed state because the pressure of the compressed air in the second air cavity is released instantly and is reduced;
in the process that compressed air continuously enters the second air cavity from the first air cavity and then enters the sounding cavity, continuous vibration is generated at multiple positions of the metal diaphragm to form self-oscillation of corresponding frequency, resonance is generated in multiple resonance cavities of the third air cavity, the fourth air cavity, the fifth air cavity and the small air cavity, and formed sound waves are transmitted into a target space from the sounding cavity through the sound guide tube after being further subjected to impedance matching enhancement.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses simple structure adopts the titanium metal diaphragm of high fatigue resistance ability and the start-up cavity structure and the resonant cavity structure of innovative design, improves life, reduces the compressed air consumption by a wide margin, can adapt to multiple deashing application, maintain and use cost hangs down.
Drawings
Fig. 1 is a schematic view of a connection structure of the high-efficiency audio ash remover of the present invention.
Fig. 2 is a schematic structural diagram of an audio frequency generating device of the high-efficiency audio frequency ash remover of the present invention.
Fig. 3 is a schematic diagram of the structure of the base and the end cap of the audio frequency generator of the high-efficiency audio frequency ash remover of the present invention.
Fig. 4 is the sound guide tube structure diagram of the audio frequency generator of the high-efficiency audio frequency ash remover of the utility model.
Wherein:
installing an access hole cover 1, a heat insulation protection cover 2, an audio frequency generating device 3, an electromagnetic valve 4, a Y-shaped filter 5, a compressed air filter 6, a ball valve 7 and an air inlet 8;
the device comprises a base 3.1, a metal diaphragm 3.2, an end cover 3.3, a sound guide tube 3.4, a sound amplification tube 3.5, a central through hole 3.6, a sounding cavity 3.7, a first air cavity 3.8, a second air cavity 3.9, a third air cavity 3.10, a fourth air cavity 3.11, a fifth air cavity 3.12 and a small air cavity 3.13;
a counter bore 3.3.1, a circular recess 3.3.2, an inner tube 3.4.1, an outer tube 3.4.2, an internal threaded hole 3.6.1 and a tapered hole 3.6.2.
Detailed Description
Referring to fig. 1-4, the high-efficiency audio frequency ash remover of the present invention comprises an installation manhole cover 1 and an audio frequency generator 3 with a left end embedded in the installation manhole cover 1, wherein a heat insulation protective cover 2 is filled between the installation manhole cover 1 and the audio frequency generator 3; a pipeline connecting a right air inlet 8 of the audio generating device 3 with a compressed air source is sequentially connected with an electromagnetic valve 4, a Y-shaped filter 5, a compressed air filter 6 and a ball valve 7 in series;
the audio generating device 3 comprises a base 3.1, a metal diaphragm 3.2, an end cover 3.3, a sound guide pipe 3.4 and a sound amplifying pipe 3.5; the end cover 3.3 is fixedly arranged at the right end of the base 3.1 through a bolt; the metal membrane 3.2 is arranged between the base 3.1 and the end cover 3.3, and the metal membrane 3.2 is made of titanium metal; the right end of the sound guide tube 3.4 is screwed at the left end of the central through hole 3.6 of the base 3.1; the right end of the sound amplifying tube 3.5 is welded with the left end of the sound guide tube 3.4;
the left end of the central through hole 3.6 of the base 3.1 is an internal threaded hole 3.6.1, the right end is a tapered hole 3.6.2, and the internal threaded hole 3.6.1 is communicated with the tapered hole 3.6.2 through a through hole with a smooth inner wall; the end surface of the conical hole 3.6.2 is tightly attached to the metal diaphragm 3.2 to form a sounding cavity 3.7; a groove on the end surface of the base 3.1 at the periphery of the conical hole 3.6.2 is tightly attached to the metal diaphragm 3.2 to form a first air cavity 3.8 and a second air cavity 3.9; the first air cavity 3.8 is provided with an air inlet 8; the depth of the first air cavity 3.8 is greater than that of the second air cavity 3.9, and the width of the first air cavity 3.8 is less than that of the second air cavity 3.9;
a counter bore 3.3.1 is formed in the center of the left end face of the end cover 3.3, the bottom face of the counter bore 3.3.1 is an arc-shaped face, a circular recess 3.3.2 is formed in the center of the bottom of the counter bore 3.3.1, and the end face of the counter bore 3.3.1 is tightly attached to the metal diaphragm 3.2 to form a third air cavity 3.10; a groove on the end face of an end cover 3.3 at the periphery of the counter bore 3.3.1 is tightly attached to the metal diaphragm 3.2 to form a fourth air cavity 3.11 and a fifth air cavity 3.12; the position of the third air cavity 3.10 corresponds to the positions of the sounding cavity 3.7 and the local second air cavity 3.9 left and right; the position of the fourth air cavity 3.11 corresponds to the positions of the local second air cavity 3.9 and the local first air cavity 3.8 left and right; the fifth air cavity 3.12 corresponds to the local first air cavity 3.8 in position from left to right;
the corresponding positions of the edges of the base 3.1 and the end cover 3.3 are provided with a plurality of grooves to form a plurality of small air cavities 3.13, and the small air cavities 3.13 are communicated with each other through gaps between the base 3.1 and the end cover 3.3.
The sound guide tube 3.4 comprises an inner tube 3.4.1 and an outer tube 3.4.2, the right end of the inner tube 3.4.1 is screwed in an internal threaded hole 3.6.1 of a central through hole 3.6 of the base 3.1, the outer tube 3.4.2 is sleeved outside the inner tube 3.4.1 and is welded with the inner tube 3.4.1, and the left end of the outer tube 3.4.2 is welded with the sound amplification tube 3.5; the diameter of the inner wall of the inner pipe 3.4.1 is gradually increased from right to left;
the inner wall of the sound amplifying tube 3.5 is in an involute horn shape.
When the air compressor works, compressed air enters the air inlet 8 after passing through the ball valve 7, the compressed air filter 6, the Y-shaped filter 5 and the electromagnetic valve 4 on the air inlet pipeline, the compressed air enters the first air cavity 3.8 from the air inlet 8, when the pressure of the compressed air in the first air cavity 3.8 exceeds the self deformation resistance of the metal diaphragm 3.2 and the air pressure of the fourth air cavity 3.11 on the back surface of the metal diaphragm, the compressed air in the first air cavity 3.8 pushes the metal diaphragm 3.2 away to enter the second air cavity 3.9, and the metal diaphragm 3.2 restores to a closed state because the compressed air in the first air cavity 3.8 is reduced in pressure by instant release; when the pressure of the compressed air entering the second air cavity 3.9 exceeds the self deformation resistance of the metal diaphragm 3.2 and the air pressure of the third air cavity 3.10 on the back side of the metal diaphragm, the compressed air in the second air cavity 3.9 pushes the metal diaphragm 3.2 away to enter the sound-generating cavity 3.7, and the metal diaphragm 3.2 returns to a closed state because the compressed air in the second air cavity 3.9 is released instantaneously to reduce the pressure;
in the process that compressed air continuously enters the second air cavity 3.9 from the first air cavity 3.8 and then enters the sound-generating cavity 3.7, continuous vibration is generated at a plurality of positions of the metal diaphragm 3.2 to form self-oscillation with corresponding frequency, resonance is generated in a plurality of resonance cavities of the third air cavity 3.10, the fourth air cavity 3.11, the fifth air cavity 3.12 and the small air cavity 3.13, and formed sound waves are further impedance-matched and enhanced through the sound guide pipe 3.4 from the sound-generating cavity 3.7 and then are transmitted into a target space from the sound amplifying pipe 3.5.
The device can convert the potential energy of compressed air into low-frequency sound energy of 20 HZ-360 HZ through actual measurement, has sound wave with sound pressure level of 152 dB-165 dB, wide frequency range and high sound pressure level, and can adapt to various occasions such as dust removal, ash material dredging and the like; the waste of compressed air is less, the energy conversion rate is high, and the air consumption is lower than 25% of that of the conventional similar device; the titanium metal membrane passes through a periodic fatigue test, so that the service life is longer, the working time is long, the titanium metal membrane can be continuously started and used for 20 hours, and the continuous start and use of the device at the same level are only 15 seconds at intervals; the transmission distance is long, the maximum transmission distance can reach 50 meters, the coverage area is large, 12m2 can be covered, and the high-temperature resistant steel can resist 1150 ℃ in special use occasions.
In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.
Claims (9)
1. The utility model provides a high-efficient audio frequency deashing ware, contains audio frequency generating device (3), its characterized in that: the audio generating device (3) comprises a base (3.1), a metal diaphragm (3.2), an end cover (3.3), a sound guide pipe (3.4) and a sound amplifying pipe (3.5); the end cover (3.3) is fixedly arranged at the right end of the base (3.1) through a bolt; the metal membrane (3.2) is arranged between the base (3.1) and the end cover (3.3); the right end of the sound guide tube (3.4) is screwed at the left end of the central through hole (3.6) of the base (3.1); the right end of the sound amplifying tube (3.5) is welded with the left end of the sound guide tube (3.4);
the left end of the central through hole (3.6) of the base (3.1) is an internal threaded hole (3.6.1), and the right end is a tapered hole (3.6.2); the end surface of the conical hole (3.6.2) is tightly attached to the metal membrane (3.2) to form a sound-generating cavity (3.7); a groove on the end surface of the base (3.1) at the periphery of the conical hole (3.6.2) is tightly attached to the metal diaphragm (3.2) to form a first air cavity (3.8) and a second air cavity (3.9); the first air cavity (3.8) is provided with an air inlet (8);
a counter bore (3.3.1) is formed in the center of the left end face of the end cover (3.3), and the end face of the counter bore (3.3.1) is tightly attached to the metal diaphragm (3.2) to form a third air cavity (3.10); the end face groove of the end cover (3.3) at the periphery of the counter bore (3.3.1) is tightly attached to the metal diaphragm (3.2) to form a fourth air cavity (3.11) and a fifth air cavity (3.12);
the corresponding positions of the edges of the base (3.1) and the end cover (3.3) are provided with a plurality of grooves to form a plurality of small air cavities (3.13).
2. The high efficiency audio ash cleaner according to claim 1, wherein: the depth of the first air cavity (3.8) is greater than that of the second air cavity (3.9), and the width of the first air cavity (3.8) is less than that of the second air cavity (3.9); the position of the third air cavity (3.10) corresponds to the left and right of the sounding cavity (3.7) and the position of the local second air cavity (3.9); the position of the fourth air cavity (3.11) corresponds to the left and right positions of the local second air cavity (3.9) and the local first air cavity (3.8); the fifth air cavity (3.12) corresponds to the position of the local first air cavity (3.8) in the left-right direction.
3. The high efficiency audio ash cleaner according to claim 1, wherein: the small air cavities (3.13) are communicated with each other through gaps between the base (3.1) and the end cover (3.3).
4. The high efficiency audio ash cleaner according to claim 1, wherein: the bottom surface of the counter bore (3.3.1) is an arc-shaped surface, and a circular recess (3.3.2) is arranged at the center of the bottom of the counter bore (3.3.1).
5. The high efficiency audio ash cleaner according to claim 1, wherein: the internal thread hole (3.6.1) of the central through hole (3.6) is communicated with the conical hole (3.6.2) through a through hole with a smooth inner wall.
6. The high efficiency audio ash cleaner according to claim 1, wherein: the sound guide tube (3.4) comprises an inner tube (3.4.1) and an outer tube (3.4.2), the right end of the inner tube (3.4.1) is screwed in an internal threaded hole (3.6.1) of the central through hole (3.6) of the base (3.1), the outer tube (3.4.2) is sleeved outside the inner tube (3.4.1) and is welded with the inner tube (3.4.1), and the left end of the outer tube (3.4.2) is welded with the sound amplification tube (3.5); the diameter of the inner wall of the inner pipe (3.4.1) is gradually increased from right to left.
7. The high efficiency audio ash cleaner according to claim 1, wherein: the inner wall of the sound amplifying tube (3.5) is in an involute horn shape.
8. The high efficiency audio ash cleaner according to claim 1, wherein: the metal membrane (3.2) is made of titanium metal.
9. The high efficiency audio ash cleaner according to claim 1, wherein: the high-efficiency audio ash remover comprises an installation manhole cover (1) and an audio generating device (3) with the left end part embedded in the installation manhole cover (1), wherein a heat-insulating protective cover (2) is filled between the installation manhole cover (1) and the audio generating device (3); an electromagnetic valve (4), a Y-shaped filter (5), a compressed air filter (6) and a ball valve (7) are sequentially connected in series on a pipeline connecting a right air inlet (8) of the audio generating device (3) and a compressed air source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022166900.7U CN214198711U (en) | 2020-09-28 | 2020-09-28 | High-efficiency audio ash remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022166900.7U CN214198711U (en) | 2020-09-28 | 2020-09-28 | High-efficiency audio ash remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214198711U true CN214198711U (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022166900.7U Active CN214198711U (en) | 2020-09-28 | 2020-09-28 | High-efficiency audio ash remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214198711U (en) |
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2020
- 2020-09-28 CN CN202022166900.7U patent/CN214198711U/en active Active
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