CN212345099U - Bird-repelling air wave generating device - Google Patents
Bird-repelling air wave generating device Download PDFInfo
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- CN212345099U CN212345099U CN202021492312.6U CN202021492312U CN212345099U CN 212345099 U CN212345099 U CN 212345099U CN 202021492312 U CN202021492312 U CN 202021492312U CN 212345099 U CN212345099 U CN 212345099U
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- 238000005474 detonation Methods 0.000 claims abstract description 25
- 238000009826 distribution Methods 0.000 claims abstract description 10
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- 230000008602 contraction Effects 0.000 claims description 12
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 239000003034 coal gas Substances 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 2
- 230000001846 repelling effect Effects 0.000 abstract description 2
- 238000010408 sweeping Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 94
- 238000004200 deflagration Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
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- 229910052739 hydrogen Inorganic materials 0.000 description 2
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
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Abstract
A bird-repelling air wave generating device belongs to the technical field of pneumatic thermal engineering. The bird-repelling gas wave generating device enables a gas mixture to be converted into a detonation state from detonation in a rapid and short-distance mode by arranging the premixing chamber and the detonation accelerating chamber in the gas wave generating device, and realizes the discontinuous distribution effect of strong interruption of a shock wave sweeping an airflow pressure field by utilizing the rapid pressurization action of an unsteady motion shock wave generated in the process of converting detonation into detonation of premixed gas so as to be used in the fields of gas wave ash removal, fire fighting, bird and beast repelling and the like. The device utilizes the mixing element in the premixing chamber to realize the abundant process of premixing of combustible gas and air, through the strong torrent disturbance of vortex element in the detonation acceleration chamber, accomplishes the burning ripples and changes by the fast, the short distance of detonation, realizes the space discontinuous distribution of the local pressure field of strong discontinuous sweep air current, can realize the high-strength shock wave effect that high active gas can produce in utilizing low active gas short distance such as coal gas.
Description
Technical Field
The utility model relates to a drive bird air wave generating device belongs to pneumatic thermal engineering technical field.
Background
The gas wave generally refers to a general term of compression wave, shock wave and the like generated after the compressed gas is disturbed. If the gas wave periodically propagates from high-pressure gas to low-pressure gas, namely the gas wave which periodically and repeatedly moves sweeps the space where the gas wave propagates, periodic pressure, temperature and other changes are generated. The larger the unit energy transmitted by the gas wave is, the larger the gas pressure ratio of the front side of the gas wave to the rear side of the wave is, the higher the intensity of the gas wave is, and the higher the speed of the motion of the gas wave relative to the front-side gas flow is. A gas wave machine is a machine that uses gas waves to transfer energy. The air wave motion with different intensities has its own characteristics and generation conditions, and is used in different air wave mechanical fields. At present, the commonly used gas wave machines include gas wave superchargers, gas wave refrigerators, gas wave engines, shock tubes and the like. The existing air wave machinery has single function, can only be used in a single field generally, and cannot realize that one machinery is used in a plurality of fields. In addition, for machines requiring high intensity gas wave operation, the shock wave energy required for generating flammable and explosive gases such as hydrogen and ethylene is generally required. Flammable and explosive gases such as hydrogen, acetylene and the like are dangerous in the transportation and use processes, and are not suitable for the civil field. However, the shock wave generated by burning common gas such as coal gas is low in strength, and cannot meet the requirements of gas wave machinery in a specific field. Therefore, there is a need to develop a bird-repelling wave generator, which can be used in multiple fields and can provide high-strength wave by using common safe gas such as coal gas.
Disclosure of Invention
In order to solve the problem that exists among the prior art, the utility model provides a drive bird air wave generating device, the device produces high strength air wave through gas commonly used such as coal gas, can be applied to air wave deashing, fire control and drive a plurality of fields such as bird, beast.
The utility model adopts the technical proposal that: the utility model provides a drive bird gas wave generating device includes distributing device, controlling means, gas feeding device and gas wave generating device, gas wave generating device adopts air inlet pipeline section, mixes room, combustion chamber, detonation with higher speed room and gas wave guide cylinder fixed connection in proper order, inside at the combustion chamber is equipped with some firearms, detonation with higher speed the inside of room is equipped with the vortex component, the vortex component contains stay tube and helical blade, helical blade adopts the winding to fix on the stay tube, the vortex component passes through helical blade's outer fringe welding on detonation with higher speed the inner wall of room, be equipped with the fluting on the helical blade, the blade of fluting both sides is to opposite direction bending type formation blade flying thorn portion.
The air distribution device adopts a fan connected with an air inlet pipe section through a first check valve.
The gas supply device adopts a pipeline to be sequentially connected with a pressure reducing valve, a fine adjustment valve, an electromagnetic valve, a second check valve, a flame arrester and a gas inlet at the bottom of the premixing chamber.
The control device comprises an inverter and a controller, wherein the controller is electrically connected with the inverter, a fan, an electromagnetic valve and an igniter which are powered by a mobile power supply.
The inner cavity of the premixing chamber is sequentially provided with a gas inlet sleeve, a first mixing element and a gas outlet sleeve; the first mixing element adopts an expansion type mixing cavity, at least three rows of air holes communicated with the gas ring cavity are uniformly formed in the middle of the expansion type mixing cavity along the circumferential direction, two adjacent rows of air holes are oppositely formed along the circumferential direction, and the number of each air hole is 3-20.
The inner cavity of the premixing chamber is sequentially provided with a gas rotational flow sleeve, a second mixing element and a gas outlet sleeve; the second mixing element adopts a contraction and expansion type mixing cavity, and 3-20 air holes communicated with the gas ring cavity are uniformly formed in the middle of the contraction and expansion type mixing cavity along the circumferential direction.
The number of the helical blades is 3-10, and each helical blade is provided with 3-6 grooves.
The controller adopts the PLC controller, is provided with alarm and thing networking connector on the controller.
The utility model has the advantages that: the bird-repelling gas wave generating device comprises a gas distribution device, a control device, a fuel gas supply device and a gas wave generating device, wherein the gas wave generating device is fixedly connected with a gas wave guide cylinder by an air inlet pipe section, a premixing chamber, a combustion chamber, a deflagration accelerating chamber in sequence. Through set up in the gas ripples generating device and mix the room with higher speed with detonation with the detonation in advance and make the gas mixture can change to the detonation state from detonation, utilize the gas that mixes the rapid pressurization action of gas detonation changes the unsteady motion shock wave that the detonation process produced, realize the strong discontinuous distribution effect that the shock wave sweeps the air current pressure field to be used for a plurality of fields such as gas ripples deashing, fire control and bird and beast that drives. The air distribution device and the fuel gas supply device are connected with different fuel gas tanks through pressure reducing valves to provide flexible and variable fuel media and oxidizing media, and meanwhile, the fine adjustment of the air fuel ratio is realized by utilizing a fine adjustment valve. The device utilizes the mixing element in the premixing chamber to realize the abundant process of premixing of combustible gas and air, through the turbulent flow disturbance of vortex element in the detonation acceleration chamber, accomplishes the burning ripples and changes to the detonation wave by the detonation wave, realizes the discontinuous distribution of strong discontinuous pressure field, can save fuel simultaneously, does not produce the flue gas of polluted air, energy-conservation is environmental protection again promptly. The pressure ratio, pulse distribution and the like of the air waves generated by the device are dynamically detected and automatically controlled in real time through the control device. The device has the advantages of simple structure, easy realization of the combustion wave conversion process of conventional fuels, large and controllable gas wave pressure ratio.
Drawings
Fig. 1 is a structural diagram of a bird-repelling wave generator.
FIG. 2 is a block diagram of the premix chamber of FIG. 1.
Fig. 3 is a left side view of the first mixing element of fig. 2.
FIG. 4 is a block diagram of another premix chamber of FIG. 1.
Fig. 5 is a left side view of the second mixing element of fig. 4.
Fig. 6 is a partially enlarged view of the spoiler in fig. 1.
In the figure: A. the gas wave generating device comprises a gas wave generating device 1, an inverter, 2, a controller, 3, a fan, 3a, a first check valve, 4, a pressure reducing valve, 4a, a fine adjustment valve, 4b, an electromagnetic valve, 4c, a second check valve, 4d, a flame arrester, 5, an air inlet pipe section, 6, a premixing chamber, 6a, a gas inlet sleeve, 6a1, a gas swirling sleeve, 6b, a first mixing element, 6b1, an air hole, 6b2, a gas ring cavity, 6c, a gas outlet sleeve, 6d, a gas inlet, 6e, a second mixing element, 7, a combustion chamber, 7a, an igniter, 8, a deflagration accelerating chamber, 8a, a turbulent flow element, 8a1, a supporting pipe, 8a2, a helical blade, 8a3, a blade burr part, 9 and a gas wave guide cylinder.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings.
Fig. 1 and 6 show a structure diagram of a bird-repelling wave-generating device. In the figure, the bird repelling gas wave generating device comprises a gas distributing device, a control device, a gas supply device and a gas wave generating device A, wherein the gas wave generating device A sequentially adopts an air inlet pipe section 5, a premixing chamber 6, a combustion chamber 7, a deflagration accelerating chamber 8 and a gas wave guide cylinder 9 to be fixedly connected, an igniter 7a is arranged inside the combustion chamber 7, a turbulence element 8a is arranged inside the deflagration accelerating chamber 8, the turbulence element 8a comprises a supporting pipe 8a1 and helical blades 8a2, the helical blades 8a2 are fixed on the supporting pipe 8a1 in a winding mode, the turbulence element 8a is welded on the inner wall of the deflagration accelerating chamber 8 through the outer edges of the helical blades 8a2, slots are formed in the helical blades 8a2, and blades on two sides of the slots are bent in opposite directions to form blade flying thorn portions 8a 3. The number of the spiral blades 8a2 is 5, and each spiral blade 8a2 is provided with 4 slots.
The air distribution device adopts a fan 3 connected with an air inlet pipe section 5 through a first check valve 3 a. The gas supply device adopts a pipeline to be sequentially connected with a pressure reducing valve 4, a fine adjusting valve 4a, an electromagnetic valve 4b, a second check valve 4c, a flame arrester 4d and a gas inlet 6d at the bottom of the premixing chamber 6. The control device includes an inverter 1 and a controller 2, and the controller 2 is electrically connected to the inverter 1, a fan 3, a solenoid valve 4b, and an igniter 7a, which are supplied with power from a portable power source.
Example 1
Fig. 1, 2 and 3 show a structure diagram of a bird-repelling air wave generating device. In the figure, the inner cavity of the premixing chamber 6 of the bird-repelling wave generation device is sequentially provided with a gas inlet sleeve 6a, a first mixing element 6b and a gas outlet sleeve 6 c; the first mixing element 6b adopts an expansion type mixing cavity, the middle part of the expansion type mixing cavity is uniformly provided with at least three rows of air holes 6b1 communicated with the gas ring cavity 6b2 along the circumferential direction, two adjacent rows of air holes are oppositely arranged along the circumferential direction, and the number of each air hole 6b1 is 12.
The shown gas wave sending device of this embodiment, mixing element adopt the formula hybrid chamber that expands, and the middle part of the formula hybrid chamber that expands evenly sets up the gas pocket of three at least intercommunication gas ring cavitys along circumference, and adjacent two rows of gas pockets revolve to opposite setting along circumference, and the structure setting that multirow gas pocket and adjacent two rows of gas pockets whirl opposite direction can make gas and air carry out quick, abundant mixture, gets into the detonation acceleration chamber and produces the bigger detonation wave of intensity, finally produces the shock wave of high strength.
Example 2
Fig. 1, 4 and 5 show a structural diagram of another bird-repelling air wave generating device. In the figure, a gas swirl sleeve 6a1, a second mixing element 6e and a gas outlet sleeve 6c are sequentially arranged in the inner cavity of the premixing chamber 6 of the bird-repelling wave generating device. The second mixing element 6e adopts a contraction and expansion type mixing cavity, and the middle part of the contraction and expansion type mixing cavity is uniformly provided with 12 air holes 6b1 communicated with the gas ring cavity 6b2 along the circumferential direction.
Compared with the structure of the embodiment 1, the mixing element of the structure shown in the embodiment adopts a contraction and expansion type mixing cavity, the middle part of the contraction and expansion type mixing cavity is uniformly provided with air holes communicated with a gas ring cavity along the circumferential direction, and the inner cavity of the premixing chamber 6 is provided with a gas swirl sleeve 6a 1. The gas swirling sleeve 6a1 forms a swirling air flow with negative pressure in the center, and the swirling air flow enters the gas mixing cavity to be mixed with the gas more fully. The rotating air flow is accelerated through the narrowing section of the contraction and expansion type mixing cavity and then is fully mixed with the fuel gas at the throat part of the contraction and expansion type mixing cavity, and the mixed gas is accelerated again through the expanding section of the contraction and expansion type mixing cavity and enters the combustion chamber 7 at a high speed for deflagration. The gas wave transmitting device with the structure can generate shock waves with higher speed and longer propagation distance.
The bird-repelling gas wave generating device enables gas and air to be fully mixed through the premixing chamber and the deflagration accelerating chamber and then to be converted into a detonation state from deflagration, and the effect of generating strong gas waves by burning high-activity gas such as ethylene can be achieved by utilizing common safe gas such as coal gas. The device has reliable security and excellent production air wave effect, can be used for fields such as air wave deashing, fire control and drive birds and beasts.
Claims (5)
1. The utility model provides a drive bird gas wave generating device, it includes distributing device and controlling means, a serial communication port, it still includes gas feeding device and gas wave generating device (A), gas wave generating device (A) adopts air inlet pipe section (5), premix chamber (6), combustion chamber (7), detonation acceleration chamber (8) and gas wave guide cylinder (9) fixed connection in proper order, inside at combustion chamber (7) is equipped with some firearm (7 a), the inside of detonation acceleration chamber (8) is equipped with vortex component (8 a), vortex component (8 a) contain stay tube (8 a 1) and helical blade (8 a 2), helical blade (8 a 2) adopt the winding to fix on stay tube (8 a 1), vortex component (8 a) are welded on the inner wall of detonation acceleration chamber (8) through the outer fringe of helical blade (8 a 2), be equipped with the fluting on helical blade (8 a 2), the blades at the two sides of the slot are bent in opposite directions to form blade flying parts (8 a 3);
the air distribution device adopts a fan (3) connected with an air inlet pipe section (5) through a first check valve (3 a);
the gas supply device is sequentially connected with a pressure reducing valve (4), a fine adjusting valve (4 a), an electromagnetic valve (4 b), a second check valve (4 c), a flame arrester (4 d) and a gas inlet (6 d) at the bottom of the premixing chamber (6) by adopting pipelines;
the control device comprises an inverter (1) and a controller (2), wherein the controller (2) is electrically connected with the inverter (1) powered by a mobile power supply, a fan (3), an electromagnetic valve (4 b) and an igniter (7 a).
2. A bird-repelling wave generator as claimed in claim 1 wherein the interior of the pre-mixing chamber (6) is provided with a gas inlet sleeve (6 a), a first mixing element (6 b) and a gas outlet sleeve (6 c) in sequence; the first mixing element (6 b) adopts an expansion type mixing cavity, the middle part of the expansion type mixing cavity is uniformly provided with at least three rows of air holes (6 b 1) communicated with a gas ring cavity (6 b 2) along the circumferential direction, two adjacent rows of air holes are oppositely arranged along the circumferential direction, and the number of each air hole (6 b 1) is 3-20.
3. A bird-repelling wave generator as claimed in claim 1 wherein the interior of the pre-mixing chamber (6) is provided with a gas swirl sleeve (6 a 1), a second mixing element (6 e) and a gas outlet sleeve (6 c) in sequence; the second mixing element (6 e) adopts a contraction and expansion type mixing cavity, and the middle part of the contraction and expansion type mixing cavity is uniformly provided with 3-128 air holes (6 b 1) communicated with a gas ring cavity (6 b 2) along the circumferential direction.
4. A bird-repelling wave generator as claimed in claim 1 in which the number of helical blades (8 a 2) is 3-10 and each helical blade (8 a 2) has 3-6 slots.
5. A bird-repelling wave-generating device according to claim 1, wherein the controller (2) is a PLC controller, and the controller (2) is provided with an alarm and an internet-of-things connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021492312.6U CN212345099U (en) | 2020-07-27 | 2020-07-27 | Bird-repelling air wave generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021492312.6U CN212345099U (en) | 2020-07-27 | 2020-07-27 | Bird-repelling air wave generating device |
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| Publication Number | Publication Date |
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| CN212345099U true CN212345099U (en) | 2021-01-15 |
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| CN202021492312.6U Active CN212345099U (en) | 2020-07-27 | 2020-07-27 | Bird-repelling air wave generating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114128703A (en) * | 2021-12-17 | 2022-03-04 | 上海交通大学重庆研究院 | Combined bird repelling device |
| CN114145286A (en) * | 2021-12-17 | 2022-03-08 | 上海交通大学重庆研究院 | High-frequency shock wave bird-scaring gun |
-
2020
- 2020-07-27 CN CN202021492312.6U patent/CN212345099U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114128703A (en) * | 2021-12-17 | 2022-03-04 | 上海交通大学重庆研究院 | Combined bird repelling device |
| CN114145286A (en) * | 2021-12-17 | 2022-03-08 | 上海交通大学重庆研究院 | High-frequency shock wave bird-scaring gun |
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