CN201173146Y - Smoke discharging infrared inhibition device - Google Patents
Smoke discharging infrared inhibition device Download PDFInfo
- Publication number
- CN201173146Y CN201173146Y CNU2007201309501U CN200720130950U CN201173146Y CN 201173146 Y CN201173146 Y CN 201173146Y CN U2007201309501 U CNU2007201309501 U CN U2007201309501U CN 200720130950 U CN200720130950 U CN 200720130950U CN 201173146 Y CN201173146 Y CN 201173146Y
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- Prior art keywords
- smoke
- ejecting pipe
- induction tunnel
- infrared
- pipe
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Abstract
The utility model relates to a fume exhaust suppression device. The fume exhaust suppression device comprises an air intake blower, an ejecting pipe, a mixing pipe and a fume exhaust pipe, wherein, the air intake blower is arranged in the air intake section of the ejecting pipe. Being relative to the fume exhaust pipe, the ejecting pipe can adopts a center inserting type or a circular surrounding type. The outlet of the mixing pipe can be a rotary arc air outlet, and a water-spraying evaporation cooling device is arranged in the inlet section of the fume exhaust pipe. After the structure is adopted, the water spraying evaporation cooling device arranged in the inlet section of the fume exhaust pipe can spray water to the high temperature fume, the water is evaporated and the fume temperature is reduced; the ambient low temperature air is pressed into the ejecting pipe by the air intake blower, the low temperature air passes through the ejecting pipe and is mixed with the high temperature fume at the outlet of the fume exhaust pipe and exhausted out, the temperature is reduced and the infrared radiation characteristics are also reduced; the arc air outlet can be rotated to cause the fume range exhausted to be widened, and the infrared radiation characteristics are further reduced. The fume exhaust suppression device has the advantages that the structure is simple, and the fume exhaust suppression device can be extensively used in the situation that the infrared stealth protection is required to be performed at the engine fume exhaust port of the military target.
Description
One, technical field
The utility model relates to the infrared inhibition technology of a kind of smoke evacuation, is mainly used in the infrared stealth protective ability of the engine smoke discharging mouth that strengthens military target.
Two, background technique
The motor of military target is discharged fume to the outside, the flue-gas temperature of smoke exhaust port than around ambient temperature high a lot, infrared signature is obvious, is found by infrared acquisition easily or becomes the infrared guidance target.
Three, summary of the invention
(1) goal of the invention
At the problem that will solve in the above-mentioned prior art, the purpose of this utility model is to propose a kind of simple in structure, fume extractor of possessing infrared muting function.
(2) technological scheme
The purpose of this utility model is achieved in that the infrared restraining device of a kind of smoke evacuation, comprise air intake machine, induction tunnel, mixing tube, smoke-ejecting pipe, the air intake machine places in the wind inlet section of induction tunnel, induction tunnel places the middle and upper part of smoke-ejecting pipe, mixing tube places the middle and upper part of induction tunnel and smoke-ejecting pipe, the Way out that it is characterized in that induction tunnel is consistent with the Way out of smoke-ejecting pipe, points to mixing tube.
Induction tunnel can be the center plug-in type with respect to smoke-ejecting pipe, and the induction tunnel exit portion stretches in the smoke-ejecting pipe, and the induction tunnel inlet part is stretched out smoke-ejecting pipe, and the smoke-ejecting pipe exit portion connects mixing tube; Also can be that annular centers on formula, the induction tunnel exit portion be around the smoke-ejecting pipe exit portion, and the smoke-ejecting pipe inlet part is stretched out from the induction tunnel bottom, and the induction tunnel exit portion connects mixing tube.Mixing tube air-out oral area is provided with rotatable arc exhaust outlet, and rotatable arc exhaust outlet is rotated by driven by motor.The water-spraying evaporation cooling unit is set in the smoke-ejecting pipe inducer.The smoke-ejecting pipe wall can be provided with one or more injection intake grills.The mixing tube wall can be provided with one or more injection intake grills.
After adopting said structure, the water-spraying evaporation cooling unit that is provided with in the smoke-ejecting pipe inducer is sprayed water to high-temperature flue gas, the water evaporation, and flue-gas temperature reduces; Cryogenic air enters induction tunnel around the air intake machine force feed, and Cryogenic air is mixed the back discharge by induction tunnel with the high-temperature flue gas of smoke-ejecting pipe outlet, and temperature reduces, and infrared signature reduces; Rotatable arc exhaust outlet makes the flue gas bounds of discharging enlarge, and infrared signature further reduces; Low temperature enters smoke-ejecting pipe around the further injection of injection intake grill energy of smoke-ejecting pipe wall setting, reduces flue-gas temperature; Low temperature enters mixing tube around the further injection of injection intake grill energy of mixing tube wall setting, reduces flue-gas temperature.
(3) technique effect
The utility model can reduce temperature of exhaust fume, strengthen smoke exhaust port infrared stealth protective ability, and system architecture is simple, and technological scheme realizes easily.
Four, description of drawings
Fig. 1 is embodiment's 1 structure principle chart of the present utility model.
Fig. 2 is embodiment's 2 structure principle charts of the present utility model.
Five, embodiment
Be described below in conjunction with the accompanying drawings:
Embodiment 1:
With reference to shown in Figure 1, embodiment 1 of the present utility model: the infrared restraining device of a kind of smoke evacuation, comprise air intake machine 1, induction tunnel 2, mixing tube 5, smoke-ejecting pipe 6, air intake machine 1 places in the wind inlet section of induction tunnel 2, induction tunnel 2 places the middle and upper part of smoke-ejecting pipe 6, mixing tube 5 places the middle and upper part of induction tunnel 2 and smoke-ejecting pipe 6, it is characterized in that the Way out of induction tunnel 2 is consistent with the Way out of smoke-ejecting pipe 6, points to mixing tube 5.Induction tunnel 2 is center plug-in type with respect to smoke-ejecting pipe 6, and induction tunnel 2 exit portion stretch in the smoke-ejecting pipe 6, and induction tunnel 2 inlet part are stretched out smoke-ejecting pipe 6, and smoke-ejecting pipe 6 exit portion connect mixing tube 5.
Above-mentioned mixing tube 5 air-out oral areas can be provided with rotatable arc exhaust outlet 3, and its top is provided with one or more injection intake grill 3A, and rotatable arc exhaust outlet 3 is by motor 4 driven rotary.
Above-mentioned rotatable arc exhaust outlet 3 also can be rotated by belt interlock or axle interlock by the motor of air intake machine 1 inside, motor 4 cancellations.
Above-mentioned rotatable arc exhaust outlet 3 also can promote rotation by air-out thrust, motor 4 cancellations.
In above-mentioned smoke-ejecting pipe 6 wind inlet sections water-spraying evaporation cooling unit 7 can be set.
Above-mentioned smoke-ejecting pipe 6 walls can be provided with one or more injection intake grill 6A.
Above-mentioned mixing tube 5 walls can be provided with one or more injection intake grill 5A.
Above-mentioned air intake machine 4 can be speed-changing draught fan.
Above-mentioned induction tunnel 2, smoke-ejecting pipe 6 and mixing tube 5 can be by the low infrared emissivity material.
Above-mentioned induction tunnel 2, smoke-ejecting pipe 6 and mixing tube 5 outer wall can scribble camouflage paint.
Above-mentioned induction tunnel 2, smoke-ejecting pipe 6 and mixing tube 5 outer wall can be laid thermal insulating material.
After adopting said structure, the water-spraying evaporation cooling unit 7 that is provided with in smoke-ejecting pipe 6 wind inlet sections is to the high-temperature flue gas water spray, and water evaporates, and flue-gas temperature reduces; Cryogenic air enters induction tunnel 2 around air intake machine 4 force feeds, and Cryogenic air is mixed the back discharge by induction tunnel 2 with the high-temperature flue gas of smoke-ejecting pipe 6 outlets, and temperature reduces, and infrared signature reduces; Rotatable arc exhaust outlet 3 makes the flue gas bounds of discharging enlarge, and infrared signature further reduces; Low temperature enters smoke-ejecting pipe around the further injection of injection intake grill 6A energy of smoke-ejecting pipe 6 wall settings, reduces flue-gas temperature; Low temperature enters mixing tube around the further injection of injection intake grill 5A energy of mixing tube 5 wall settings, reduces flue-gas temperature.
Embodiment 2:
With reference to shown in Figure 2, embodiment 2 of the present utility model: the infrared restraining device of a kind of smoke evacuation, comprise air intake machine 1, induction tunnel 2, mixing tube 5, smoke-ejecting pipe 6, air intake machine 1 places in the wind inlet section of induction tunnel 2, induction tunnel 2 places the middle and upper part of smoke-ejecting pipe 6, mixing tube 5 places the middle and upper part of induction tunnel 2 and smoke-ejecting pipe 6, it is characterized in that the Way out of induction tunnel 2 is consistent with the Way out of smoke-ejecting pipe 6, points to mixing tube 5.Induction tunnel 2 is that annular centers on formula with respect to smoke-ejecting pipe 6, and induction tunnel 2 exit portion are around smoke-ejecting pipe 6 exit portion, and smoke-ejecting pipe 6 inlet part are stretched out from induction tunnel 2 bottoms, and induction tunnel 2 exit portion connect mixing tube 5.
Above-mentioned mixing tube 5 air-out oral areas can be provided with rotatable arc exhaust outlet 3, and its top is provided with one or more injection intake grill 3A, and rotatable arc exhaust outlet 3 is by motor 4 driven rotary.
Above-mentioned rotatable arc exhaust outlet 3 also can be rotated by belt interlock or axle interlock by the motor of air intake machine 1 inside, motor 4 cancellations.
Above-mentioned rotatable arc exhaust outlet 3 also can promote rotation by air-out thrust, motor 4 cancellations.
In above-mentioned smoke-ejecting pipe 6 wind inlet sections water-spraying evaporation cooling unit 7 can be set.
Above-mentioned smoke-ejecting pipe 6 walls can be provided with one or more injection intake grill 6A.
Above-mentioned mixing tube 5 walls can be provided with one or more injection intake grill 5A.
Above-mentioned air intake machine 4 can be speed-changing draught fan.
Above-mentioned induction tunnel 2, smoke-ejecting pipe 6 and mixing tube 5 can be by the low infrared emissivity material.
Above-mentioned induction tunnel 2, smoke-ejecting pipe 6 and mixing tube 5 outer wall can scribble camouflage paint.
Above-mentioned induction tunnel 2, smoke-ejecting pipe 6 and mixing tube 5 outer wall can be laid thermal insulating material.
After adopting said structure, the water-spraying evaporation cooling unit 7 that is provided with in smoke-ejecting pipe 6 wind inlet sections is to the high-temperature flue gas water spray, and water evaporates, and flue-gas temperature reduces; Cryogenic air enters induction tunnel 2 around air intake machine 4 force feeds, and Cryogenic air is mixed the back discharge by induction tunnel 2 with the high-temperature flue gas of smoke-ejecting pipe 6 outlets, and temperature reduces, and infrared signature reduces; Rotatable arc exhaust outlet 3 makes the flue gas bounds of discharging enlarge, and infrared signature further reduces; Low temperature enters smoke-ejecting pipe around the further injection of injection intake grill 6A energy of smoke-ejecting pipe 6 wall settings, reduces flue-gas temperature; Low temperature enters mixing tube around the further injection of injection intake grill 5A energy of mixing tube 5 wall settings, reduces flue-gas temperature.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (12)
1, the infrared restraining device of a kind of smoke evacuation, comprise air intake machine (1), induction tunnel (2), mixing tube (5), smoke-ejecting pipe (6), air intake machine (1) places in the wind inlet section of induction tunnel (2), induction tunnel (2) places the middle and upper part of smoke-ejecting pipe (6), mixing tube (5) places the middle and upper part of induction tunnel (2) and smoke-ejecting pipe (6), the Way out that it is characterized in that induction tunnel (2) is consistent with the Way out of smoke-ejecting pipe (6), points to mixing tube (5).
2, the infrared restraining device of a kind of smoke evacuation according to claim 1, it is characterized in that: induction tunnel (2) is with respect to smoke-ejecting pipe (6), it can be the center plug-in type, induction tunnel (2) exit portion stretches in the smoke-ejecting pipe (6), induction tunnel (2) inlet part is stretched out smoke-ejecting pipe (6), and smoke-ejecting pipe (6) exit portion connects mixing tube (5); Also can be that annular centers on formula, induction tunnel (2) exit portion be around smoke-ejecting pipe (6) exit portion, and smoke-ejecting pipe (6) inlet part is stretched out from induction tunnel (2) bottom, and induction tunnel (2) exit portion connects mixing tube (5).
3, the infrared restraining device of a kind of smoke evacuation according to claim 1 and 2, it is characterized in that mixing tube (5) air-out oral area is provided with rotatable arc exhaust outlet (3), its top is provided with one or more injection intake grills (3A), and rotatable arc exhaust outlet (3) is by motor (4) driven rotary.
4, the infrared restraining device of a kind of smoke evacuation according to claim 1 and 2 is characterized in that rotatable arc exhaust outlet (3) is rotated by belt interlock or axle interlock by the inner motor of air intake machine (1).
5, the infrared restraining device of a kind of smoke evacuation according to claim 1 and 2 is characterized in that rotatable arc exhaust outlet (3) promotes rotation by air-out thrust.
6, the infrared restraining device of a kind of smoke evacuation according to claim 1 and 2 is characterized in that in smoke-ejecting pipe (6) wind inlet section water-spraying evaporation cooling unit (7) being set.
7, the infrared restraining device of a kind of smoke evacuation according to claim 1 and 2 is characterized in that smoke-ejecting pipe (6) wall is provided with one or more injection intake grills (6A).
8, the infrared restraining device of a kind of smoke evacuation according to claim 1 and 2 is characterized in that mixing tube (5) wall is provided with one or more injection intake grills (5A).
9, the infrared restraining device of a kind of smoke evacuation according to claim 1 and 2 is characterized in that air intake machine (4) is a speed-changing draught fan.
10, the infrared restraining device of a kind of smoke evacuation according to claim 1 and 2 is characterized in that induction tunnel (2), smoke-ejecting pipe (6) and mixing tube (5) are the low infrared emissivity material.
11, the infrared restraining device of a kind of smoke evacuation according to claim 1 and 2 is characterized in that induction tunnel (2), smoke-ejecting pipe (6) and mixing tube (5) outer wall scribble camouflage paint.
12, the infrared restraining device of a kind of smoke evacuation according to claim 1 and 2 is characterized in that induction tunnel (2), smoke-ejecting pipe (6) and mixing tube (5) outer wall are laid with thermal insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201309501U CN201173146Y (en) | 2007-12-13 | 2007-12-13 | Smoke discharging infrared inhibition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201309501U CN201173146Y (en) | 2007-12-13 | 2007-12-13 | Smoke discharging infrared inhibition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201173146Y true CN201173146Y (en) | 2008-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201309501U Expired - Fee Related CN201173146Y (en) | 2007-12-13 | 2007-12-13 | Smoke discharging infrared inhibition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201173146Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493894A (en) * | 2011-11-18 | 2012-06-13 | 南京航空航天大学 | Nozzle exhaust mixing method and device based on pneumatic tab technique |
| CN105298594A (en) * | 2015-11-20 | 2016-02-03 | 中国船舶重工集团公司第七一一研究所 | Smoke discharging and flow jetting device |
| CN106640285A (en) * | 2016-12-06 | 2017-05-10 | 济南吉美乐电源技术有限公司 | Air-discharging, flow-mixing and cooling infrared stealth device for electric power plant with internal combustion engine |
| CN107060953A (en) * | 2017-04-13 | 2017-08-18 | 江苏豪赛科技股份有限公司 | Diesel generating set plume microparticles collection device and method |
| CN107401441A (en) * | 2017-06-27 | 2017-11-28 | 山东国金汽车制造有限公司 | A kind of gusset air bleeding valve |
| CN113464504A (en) * | 2021-07-30 | 2021-10-01 | 郑彪 | Jet type infrared camouflage prevention protection exhaust system |
| CN114483367A (en) * | 2021-12-29 | 2022-05-13 | 彩虹无人机科技有限公司 | Synthetic jet flow based infrared suppression device and method for S-shaped spray pipe |
-
2007
- 2007-12-13 CN CNU2007201309501U patent/CN201173146Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493894A (en) * | 2011-11-18 | 2012-06-13 | 南京航空航天大学 | Nozzle exhaust mixing method and device based on pneumatic tab technique |
| CN105298594A (en) * | 2015-11-20 | 2016-02-03 | 中国船舶重工集团公司第七一一研究所 | Smoke discharging and flow jetting device |
| CN106640285A (en) * | 2016-12-06 | 2017-05-10 | 济南吉美乐电源技术有限公司 | Air-discharging, flow-mixing and cooling infrared stealth device for electric power plant with internal combustion engine |
| CN106640285B (en) * | 2016-12-06 | 2019-05-03 | 济南吉美乐电源技术有限公司 | A kind of electric power plant with internal combustion engine exhaust mixed flow cooling infrared stealth device |
| CN107060953A (en) * | 2017-04-13 | 2017-08-18 | 江苏豪赛科技股份有限公司 | Diesel generating set plume microparticles collection device and method |
| CN107401441A (en) * | 2017-06-27 | 2017-11-28 | 山东国金汽车制造有限公司 | A kind of gusset air bleeding valve |
| CN113464504A (en) * | 2021-07-30 | 2021-10-01 | 郑彪 | Jet type infrared camouflage prevention protection exhaust system |
| CN113464504B (en) * | 2021-07-30 | 2022-11-11 | 郑彪 | Jet type infrared camouflage prevention protection exhaust system |
| CN114483367A (en) * | 2021-12-29 | 2022-05-13 | 彩虹无人机科技有限公司 | Synthetic jet flow based infrared suppression device and method for S-shaped spray pipe |
| CN114483367B (en) * | 2021-12-29 | 2023-09-19 | 彩虹无人机科技有限公司 | Infrared suppression device and method for S-bend spray pipe based on synthetic jet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20101213 |