CN203547841U - Hiding cover for lowering noise and infrared target feature of movable diesel generator - Google Patents
Hiding cover for lowering noise and infrared target feature of movable diesel generator Download PDFInfo
- Publication number
- CN203547841U CN203547841U CN201320702004.5U CN201320702004U CN203547841U CN 203547841 U CN203547841 U CN 203547841U CN 201320702004 U CN201320702004 U CN 201320702004U CN 203547841 U CN203547841 U CN 203547841U
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- heat insulation
- noise reduction
- target feature
- diesel generator
- insulation noise
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- 238000009413 insulation Methods 0.000 claims abstract description 158
- 230000001743 silencing Effects 0.000 claims description 28
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 12
- 229920000742 Cotton Polymers 0.000 claims description 8
- 239000011253 protective coating Substances 0.000 claims description 7
- 239000011358 absorbing material Substances 0.000 claims description 5
- 230000000875 corresponding Effects 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 238000003379 elimination reaction Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 10
- 230000003584 silencer Effects 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 description 10
- 239000002912 waste gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004642 transportation engineering Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000000887 Face Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of noise elimination and heat insulation devices, and particularly relates to a hiding cover for lowering the noise and the infrared target feature of a movable diesel generator. The hiding cover for lowering the noise and the infrared target feature of the movable diesel generator is good in heat insulation effect and noise elimination effect, capable of effectively lowering the intensity of infrared radiation of an exhaust pipe opening, and convenient to transport and install. The hiding cover for lowering the noise and the infrared target feature of the movable diesel generator comprises a heat insulation and noise elimination base. A heat insulation and noise elimination surrounding wall is arranged upwards on the periphery of the heat insulation and noise elimination base. A heat insulation and noise elimination top cover is arranged at the upper end of the heat insulation and noise elimination surrounding wall. The hiding cover for lowering the noise and the infrared target feature of the movable diesel generator is characterized in that the heat insulation and noise elimination base is movably connected with the heat insulation and noise elimination surrounding wall, and the heat insulation and noise elimination surrounding wall is movably connected with the heat insulation and noise elimination top cover; an exhaust silencer with a lower infrared feature is further arranged outside the heat insulation and noise elimination surrounding wall, an air inlet of the air exhaust silencer is connected with one end of a heat insulation exhaust pipe, and the other end of the heat insulation exhaust pipe is arranged in the heat insulation and noise elimination surrounding wall.
Description
Technical field
the utility model belongs to noise elimination, heat-proof device technical field, relates in particular to a kind of stealthy cover that reduces mobile Diesel Generator Noise and infrared target feature.
Background technique
mobile diesel generator configures in a large number in army, it is the necessary equipment of army's field generating, and when army's field operations are used, find at present, mobile diesel generator exists that noise is high, electric machine casing and exhaust pipe mouth temperature is high, infrared target feature is strong problem, not only have a strong impact on the work rest environment of army, and equipment exposes army, the even position of command center, to the larger destruction of hidden generation in the wartime of army, very easily by enemy, utilized noise or infrared detector to investigate.
at present in order to reduce the noise of electricity generating device, conventionally adopt acoustic hood to reduce noise pollution, but in order to realize good sound-insulation noise effect, acoustic hood wall is all heavier, cover body is mainly integrative-structure to reduce leakage sound, and this is unfavorable for that army field used required convenient transportation, quick for installation, and do not consider the infrared target characteristic factor of cover body.Prior art has only been considered the impact of noise reduction on exhaust pipe mouth, and does not consider the strong infrared radiation bright spot that exhaust pipe mouth exists, and the infrared intensity of silencer casing, still lacks noise and infrared comprehensive stealthy equipment to mobile diesel generator.
Summary of the invention
the utility model is exactly for the problems referred to above, a kind of heat insulation good muffling effect is provided, can effectively reduces exhaust pipe mouth infrared intensity and transportation and the mobile Diesel Generator Noise of reduction easy for installation and the stealthy cover of infrared target feature.
for achieving the above object, the utility model adopts following technological scheme, the utility model comprises heat insulation noise reduction pedestal, heat insulation noise reduction pedestal periphery is upwards provided with heat insulation noise reduction leg, heat insulation noise reduction leg upper end is provided with heat insulation noise reduction top cover, and the heat insulation noise reduction pedestal of its structure outline is all flexibly connected with heat insulation noise reduction top cover with heat insulation noise reduction leg, heat insulation noise reduction leg; Heat insulation noise reduction leg is also provided with the muffler of low infrared signature outward, and muffler suction port is connected with one end, heat-isolating exhaust tube road, and the heat-isolating exhaust tube road the other end is placed in heat insulation noise reduction leg.
as a kind of preferred version, the muffler of low infrared signature described in the utility model comprises the silencing apparatus of inlet end and the combination cooling district of outlet side, and silencing apparatus rear end is communicated with combination cooling district front end.
as another kind of preferred version, the cylindrical shell in the middle part of silencing apparatus described in the utility model comprises and the cylindric import at two ends, cylindric outlet, the internal diameter of cylindric import and the internal diameter of cylindric outlet are all less than the internal diameter of cylindrical shell; Combination cooling district is heat insulation cylindrical tube, and heat insulation cylindrical tube import is stretched in described cylindric outlet, and the outer wall that stretches into the cylindric outlet of heat insulation cylindrical tube inlet part is connected with heat insulation cylindrical tube inwall by support frame.
as another kind of preferred version, the outer wall in cylindrical shell described in the utility model, cylindric import, cylindric outlet, heat insulation cylindrical tube and heat-isolating exhaust tube road is all coated with thermal-protective coating.
as another kind of preferred version, thermal-protective coating outer surface described in the utility model is enclosed with rubber protection overcoat.
as another kind of preferred version, support frame described in the utility model adopts four pillars, and four pillar symmetries are vertically set on the outer wall of cylindric outlet.
as another kind of preferred version, heat insulation noise reduction leg described in the utility model comprises wallboard framework, and wallboard framework is followed successively by visco-elastic damping material layer, thin plate, perforated plate from outside to inside.
as another kind of preferred version, visco-elastic damping material layer internal surface described in the utility model adopts mighty bond to paste thin aluminum sheet; Between described thin aluminum sheet and thin plate, be provided with heat insulation sound absorbent cotton between thin plate and perforated plate; On heat insulation noise reduction leg, also corresponding to operation panel of generator, be provided with and observe door.
secondly, heat insulation noise reduction pedestal described in the utility model comprises the support underframe forming with pipe or square tubes soldering, on support underframe, by vibration damper, is fixed with the sound insulation framework being converted into by sheetmetal; Totally eight of vibration dampers, four jiaos each one, four, middle part surrounds a rectangular; The vibration damper at each middle part upwards passes sound insulation framework by connecting rod and fixes with the quick clip that is connected bracket for generator, and the gap between connecting rod and sound insulation framework is provided with sealer; In described sound insulation framework, fill out and be covered with waterproof, moistureproof sound absorbing material, on sound insulation framework, be provided with the mounting hole in described heat-isolating exhaust tube road.
in addition, heat insulation noise reduction top cover described in the utility model comprises by polylith sheet metal and encloses and connect the rectangular configuration forming, heat insulation noise reduction wallboard is arranged in the bottom surface of described rectangular configuration, the first exhaust silencing channel and the first intake noise reduction passage are set respectively on described heat insulation noise reduction wallboard, in described the first exhaust silencing channel and the first intake noise reduction passage, all install high-temperature resistant fan, be positioned at the relief opening of described the first exhaust silencing channel and the intake grill of the first intake noise reduction passage is all arranged the venetian blind that keeps off the rain; Described heat insulation noise reduction wallboard comprises wallboard framework, and wallboard framework is followed successively by visco-elastic damping material layer, thin plate, perforated plate from outside to inside; Described visco-elastic damping material layer internal surface adopts mighty bond to paste thin aluminum sheet; Between described thin aluminum sheet and thin plate, be provided with heat insulation sound absorbent cotton between thin plate and perforated plate; Described the first exhaust silencing channel, the first intake noise reduction passage are " U " shape or two " U " shape; The intake grill of the relief opening of described the first exhaust silencing channel and the first intake noise reduction passage is towards a side; Between described heat insulation noise reduction pedestal and heat insulation noise reduction leg lower end, between heat insulation noise reduction leg upper end and heat insulation noise reduction top cover lower end, all by buckle, be connected.
the utility model beneficial effect.
the heat insulation noise reduction pedestal of the utility model is all flexibly connected with heat insulation noise reduction top cover with heat insulation noise reduction leg, heat insulation noise reduction leg.By heat insulation noise reduction pedestal, heat insulation noise reduction leg, heat insulation noise reduction leg and heat insulation noise reduction top cover, good heat insulation erasure effect can be realized, and the demand of rainy day generating can be met.In addition, be flexibly connected and be convenient to transportation and install.
the heat insulation noise reduction leg of the utility model is outside equipped with the muffler of low infrared signature, and muffler suction port is connected with one end, heat-isolating exhaust tube road, and the heat-isolating exhaust tube road the other end is placed in noise reduction leg.Can guarantee under the prerequisite of relief opening normal exhaust, reduce the impact of high-temperature gas on case temperature, reduce again relief opening noise, weaken delivery temperature and infrared intensity.
Accompanying drawing explanation
below in conjunction with the drawings and specific embodiments, the utility model is described further.The utility model protection domain is not only confined to the statement of following content.
fig. 1 is the utility model structural representation.
fig. 2 is the heat insulation noise reduction pedestal structure of the utility model schematic diagram.
fig. 3 is invention heat insulation noise reduction pedestal longitudinal section sectional view.
fig. 4 is the composition structural representation of the heat insulation noise reduction leg of the utility model and heat insulation noise reduction wallboard.
fig. 5 is the utility model muffler structural representation.
fig. 6 is the A-A sectional view of Fig. 5.
fig. 7 is the heat insulation noise reduction cap structure of the utility model schematic diagram.
in figure, 1 is support underframe, 2 is vibration damper, 3 is sound insulation framework, 4 is quick clip, 5 is supporting frame, 6 is generator, 7 is heat insulation noise reduction leg, 8 for observing door, 9 is heat insulation noise reduction top cover, 10 is muffler, 11 is mounting hole, 12 is perforated plate, 13 is thin plate, 14 is heat insulation sound absorbent cotton, 15 is thin aluminum sheet, 16 is visco-elastic damping material layer, 17 is wallboard framework, 18 is combination cooling district, 19 is pillar, 20 is rubber protection overcoat, 21 is thermal-protective coating, 22 is silencing apparatus, 23 is venetian blind, 24 is the first exhaust silencing channel, 25 is fan, 26 is the first intake noise reduction passage.
Embodiment
as shown in the figure, the utility model comprises heat insulation noise reduction pedestal, heat insulation noise reduction pedestal periphery is upwards provided with heat insulation noise reduction leg 7, heat insulation noise reduction leg 7 upper ends are provided with heat insulation noise reduction top cover 9, and heat insulation noise reduction pedestal is all flexibly connected with heat insulation noise reduction top cover 9 with heat insulation noise reduction leg 7, heat insulation noise reduction leg 7; The outer muffler 10 that is also provided with low infrared signature of heat insulation noise reduction leg 7, muffler 10 suction ports are connected with one end, heat-isolating exhaust tube road, and the heat-isolating exhaust tube road the other end is placed in heat insulation noise reduction leg 7.
the muffler 10 of described low infrared signature comprises the silencing apparatus 22 of inlet end and the combination cooling district 18 of outlet side, and silencing apparatus 22 rear ends are communicated with combination cooling district 18 front ends.From silencing apparatus 22 high-temp waste gas out, be introduced in combination cooling district 18, utilize environment cools air to diluted stream high-temp waste gas, significantly reduce the temperature of high-temp waste gas, can weaken again gas velocity, the hot particulate material containing in high-temp waste gas is dropped on combination cooling district 18 inwalls, significantly reduce the infrared target bright spot of relief opening.
cylindrical shell in the middle part of described silencing apparatus 22 comprises and the cylindric import at two ends, cylindric outlet, the internal diameter of cylindric import and the internal diameter of cylindric outlet are all less than the internal diameter of cylindrical shell; Combination cooling district 18 is heat insulation cylindrical tube, and heat insulation cylindrical tube import is stretched in described cylindric outlet, and the outer wall that stretches into the cylindric outlet of heat insulation cylindrical tube inlet part is connected with heat insulation cylindrical tube inwall by support frame.
the outer wall in described cylindrical shell, cylindric import, cylindric outlet, heat insulation cylindrical tube and heat-isolating exhaust tube road is all coated with thermal-protective coating 21; Further reduce the infrared signature producing due to surface of shell high temperature, thus make exhaust duct and mouth of pipe temperature close with ambient temperature.
described thermal-protective coating 21 outer surfaces are enclosed with rubber protection overcoat 20.
described support frame adopts 19, four pillar 19 symmetries of four pillars to be vertically set on the outer wall of cylindric outlet.
described heat insulation noise reduction leg 7 comprises wallboard framework 17, and wallboard framework 17 is followed successively by visco-elastic damping material layer 16, thin plate 13, perforated plate 12 from outside to inside.Visco-elastic damping material layer 16 can suppress the vibration of wallboard framework 17.
described visco-elastic damping material layer 16 internal surface adopt mighty bond to paste thin aluminum sheet 15; Between described thin aluminum sheet 15 and thin plate 13, be provided with heat insulation sound absorbent cotton 14 between thin plate 13 and perforated plate 12; On heat insulation noise reduction leg 7, also corresponding to generator 6 operation panels, be provided with and observe door 8.The effect that thin aluminum sheet 15 can increase damper restriction is set.Between thin aluminum sheet 15 and thin plate 13, form elasticity structure of resonant cavity, resonance absorption low-frequency noise.Apart from thin plate 13 certain distances, perforated plate 12 being installed is the internal surface of heat insulation noise reduction leg 7, protects leg internal structure, makes again noise in aperture resonance absorption cover.
the acoustically effective that heat insulation sound absorbent cotton 14 can increase heat insulation noise reduction leg 7 is set, deadens the transmission of case temperature outside cover.
in addition, arrange and observe the convenient working state of observing generator 6 in cover of door 8.
described heat insulation noise reduction pedestal comprises the support underframe 1 forming with pipe or square tubes soldering, on support underframe 1, by vibration damper 2, is fixed with the sound insulation framework 3 being converted into by sheetmetal 13; Totally eight of vibration dampers 2, four jiaos each one, four, middle part surrounds a rectangular; It is fixing with the quick clip 4 that is connected generator 6 supporting frames 5 that the vibration damper 2 at each middle part upwards passes sound insulation framework 3 by connecting rod, and the gap between connecting rod and sound insulation framework 3 is provided with sealer; In described sound insulation framework 3, fill out and be covered with waterproof, moistureproof sound absorbing material, on sound insulation framework 3, be provided with the mounting hole 11 in described heat-isolating exhaust tube road.By vibration damper 2, sound insulation framework 3 and associated components are set, the vibration significantly having weakened when generator 6 moves is delivered on heat insulation noise reduction leg 7, avoided the structure subresonance such as heat insulation noise reduction leg 7 to produce noise, the noise producing when effectively absorbing diesel generator 6 and moving.In addition, described sealer can adopt flexibility and have the sealer of better intensity that connecting rod and sound insulation framework 3 are bonded as one.Described moistureproof sound absorbing material can adopt through the coated moistureproof sound absorbing material of processing.
described heat insulation noise reduction top cover 9 comprises by polylith sheet metal and encloses and connect the rectangular configuration forming, heat insulation noise reduction wallboard is arranged in the bottom surface of described rectangular configuration, the first exhaust silencing channel 24 and the first intake noise reduction passage 26 are set respectively on described heat insulation noise reduction wallboard, at described the first exhaust silencing channel 24 and the interior high-temperature resistant fan 25 that all installs of the first intake noise reduction passage 26, be positioned at the relief opening of described the first exhaust silencing channel 24 and the intake grill of the first intake noise reduction passage 26 is all arranged the venetian blind 23 that keeps off the rain; Described heat insulation noise reduction wallboard comprises wallboard framework 17, and wallboard framework 17 is followed successively by visco-elastic damping material layer 16, thin plate 13, perforated plate 12 from outside to inside; Described visco-elastic damping material layer 16 internal surface adopt mighty bond to paste thin aluminum sheet 15; Between described thin aluminum sheet 15 and thin plate 13, be provided with heat insulation sound absorbent cotton 14 between thin plate 13 and perforated plate 12; Described the first exhaust silencing channel 24, the first intake noise reduction passage 26 are " U " shape or two " U " shape; The intake grill of the relief opening of described the first exhaust silencing channel 24 and the first intake noise reduction passage 26 is towards a side; Between described heat insulation noise reduction pedestal and heat insulation noise reduction leg 7 lower ends, between heat insulation noise reduction leg 7 upper ends and heat insulation noise reduction top cover 9 lower ends, all by buckle, be connected.Between heat insulation noise reduction pedestal and heat insulation noise reduction leg 7 lower ends, between heat insulation noise reduction leg 7 upper ends and heat insulation noise reduction top cover 9 lower ends, every side all can be connected by two buckles, four faces totally ten six buckles.
use buckle to connect more firm, and can reach better defening effect.In top cover, utilize the multiple refraction action of bend muffler and sound wave, design intake and exhaust " U " shape silencing channel, reduce the radiated noise of relief opening, block again directly outwards thermal radiation of case temperature, avoid the exposure of generator 6 housing infrared target features.Relief opening and intake grill are towards a side, and the direct heat radiation that adopts the forms such as venetian blind 23 to block high temperature, reduce the infrared target intensity of intake and exhaust ventilated port, also can play the effect of rain cover.
below in conjunction with accompanying drawing, using process of the present utility model is described.
first heat insulation noise reduction pedestal is placed on to ground, then diesel generator 6 is installed on sound insulation framework 3, adopt quick clip 4 to fix the supporting frame 5 of diesel generator 6.Heat insulation noise reduction leg 7 is arranged on sound insulation framework 3, and the power supply out splice going splice of generator 6 is transferred to heat insulation noise reduction leg 7 surfaces.Start diesel generator 6, generator 6 is normally worked.Heat insulation noise reduction top cover 9 is installed on heat insulation noise reduction leg 7, by power line, connects fan 25 power supplys on heat insulation noise reduction top cover 9 to out-put supply plug, start the intake and exhaust fan 25 on heat insulation noise reduction top cover 9.
be understandable that, above about specific descriptions of the present utility model, only for being described, the utility model is not limited to the described technological scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can modify or be equal to replacement the utility model, to reach identical technique effect; As long as meet, use needs, all within protection domain of the present utility model.
Claims (10)
1.
a kind of stealthy cover that reduces mobile Diesel Generator Noise and infrared target feature, comprise heat insulation noise reduction pedestal, heat insulation noise reduction pedestal periphery is upwards provided with heat insulation noise reduction leg (7), heat insulation noise reduction leg (7) upper end is provided with heat insulation noise reduction top cover (9), it is characterized in that heat insulation noise reduction pedestal is all flexibly connected with heat insulation noise reduction top cover (9) with heat insulation noise reduction leg (7), heat insulation noise reduction leg (7); The outer muffler (10) that is also provided with low infrared signature of heat insulation noise reduction leg (7), muffler (10) suction port is connected with one end, heat-isolating exhaust tube road, and the heat-isolating exhaust tube road the other end is placed in heat insulation noise reduction leg (7).
2.
a kind of stealthy cover that reduces mobile Diesel Generator Noise and infrared target feature according to claim 1, the muffler (10) that it is characterized in that described low infrared signature comprises the silencing apparatus (22) of inlet end and the combination cooling district (18) of outlet side, and silencing apparatus (22) rear end is communicated with combination cooling district (18) front end.
3.
a kind of stealthy cover that reduces mobile Diesel Generator Noise and infrared target feature according to claim 2, it is characterized in that described silencing apparatus (22) comprises cylindrical shell and the cylindric import at two ends, cylindric outlet at middle part, the internal diameter of cylindric import and the internal diameter of cylindric outlet are all less than the internal diameter of cylindrical shell; Combination cooling district (18) is heat insulation cylindrical tube, and heat insulation cylindrical tube import is stretched in described cylindric outlet, and the outer wall that stretches into the cylindric outlet of heat insulation cylindrical tube inlet part is connected with heat insulation cylindrical tube inwall by support frame.
4.
reduce according to claim 3 a stealthy cover for mobile Diesel Generator Noise and infrared target feature, it is characterized in that the outer wall in described cylindrical shell, cylindric import, cylindric outlet, heat insulation cylindrical tube and heat-isolating exhaust tube road is all coated with thermal-protective coating (21).
5.
reduce according to claim 4 a stealthy cover for mobile Diesel Generator Noise and infrared target feature, it is characterized in that described thermal-protective coating (21) outer surface is enclosed with rubber protection overcoat (20).
6.
according to claim 3, reduce a stealthy cover for mobile Diesel Generator Noise and infrared target feature, it is characterized in that described support frame adopts four pillars (19), four pillars (19) symmetry is vertically set on the outer wall of cylindric outlet.
7.
a kind of stealthy cover that reduces mobile Diesel Generator Noise and infrared target feature according to claim 1, it is characterized in that described heat insulation noise reduction leg (7) comprises wallboard framework (17), wallboard framework (17) is followed successively by visco-elastic damping material layer (16), thin plate (13), perforated plate (12) from outside to inside.
8.
reduce according to claim 7 a stealthy cover for mobile Diesel Generator Noise and infrared target feature, it is characterized in that described visco-elastic damping material layer (16) internal surface adopts mighty bond to paste thin aluminum sheet (15); Between described thin aluminum sheet (15) and thin plate (13), be provided with heat insulation sound absorbent cotton (14) between thin plate (13) and perforated plate (12); On heat insulation noise reduction leg (7), also corresponding to generator (6) operation panel, be provided with and observe door (8).
9.
a kind of stealthy cover that reduces mobile Diesel Generator Noise and infrared target feature according to claim 1, it is characterized in that described heat insulation noise reduction pedestal comprises the support underframe (1) forming with pipe or square tubes soldering, support underframe (1) is upper is fixed with by vibration damper (2) the sound insulation framework (3) being converted into by sheetmetal (13); Totally eight of vibration dampers (2), four jiaos each one, four, middle part surrounds a rectangular; It is fixing with the quick clip (4) that is connected generator (6) supporting frame (5) that the vibration damper (2) at each middle part upwards passes sound insulation framework (3) by connecting rod, and the gap between connecting rod and sound insulation framework (3) is provided with sealer; In described sound insulation framework (3), fill out and be covered with waterproof, moistureproof sound absorbing material, on sound insulation framework (3), be provided with the mounting hole (11) in described heat-isolating exhaust tube road.
10.
a kind of stealthy cover that reduces mobile Diesel Generator Noise and infrared target feature according to claim 1, it is characterized in that described heat insulation noise reduction top cover (9) comprises by polylith sheet metal encloses and connects the rectangular configuration forming, heat insulation noise reduction wallboard is arranged in the bottom surface of described rectangular configuration, the first exhaust silencing channel (24) and the first intake noise reduction passage (26) are set respectively on described heat insulation noise reduction wallboard, in described the first exhaust silencing channel (24) and the first intake noise reduction passage (26), all install high-temperature resistant fan (25), be positioned at the relief opening of described the first exhaust silencing channel (24) and the intake grill of the first intake noise reduction passage (26) is all arranged the venetian blind that keeps off the rain (23), described heat insulation noise reduction wallboard comprises wallboard framework (17), and wallboard framework (17) is followed successively by visco-elastic damping material layer (16), thin plate (13), perforated plate (12) from outside to inside, described visco-elastic damping material layer (16) internal surface adopts mighty bond to paste thin aluminum sheet (15), between described thin aluminum sheet (15) and thin plate (13), be provided with heat insulation sound absorbent cotton (14) between thin plate (13) and perforated plate (12), described the first exhaust silencing channel (24), the first intake noise reduction passage (26) are " U " shape or two " U " shape, the intake grill of the relief opening of described the first exhaust silencing channel (24) and the first intake noise reduction passage (26) is towards a side, between described heat insulation noise reduction pedestal and heat insulation noise reduction leg (7) lower end, between heat insulation noise reduction leg (7) upper end and heat insulation noise reduction top cover (9) lower end, all by buckle, be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320702004.5U CN203547841U (en) | 2013-11-08 | 2013-11-08 | Hiding cover for lowering noise and infrared target feature of movable diesel generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320702004.5U CN203547841U (en) | 2013-11-08 | 2013-11-08 | Hiding cover for lowering noise and infrared target feature of movable diesel generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203547841U true CN203547841U (en) | 2014-04-16 |
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ID=50465970
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320702004.5U Expired - Fee Related CN203547841U (en) | 2013-11-08 | 2013-11-08 | Hiding cover for lowering noise and infrared target feature of movable diesel generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203547841U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557044A (en) * | 2013-11-08 | 2014-02-05 | 张旭 | Hiding cover for reducing noise and infrared target features of mobile diesel generator |
| CN111005843A (en) * | 2019-10-28 | 2020-04-14 | 哈尔滨普华电力设计有限公司 | Protective cover of wind driven generator |
-
2013
- 2013-11-08 CN CN201320702004.5U patent/CN203547841U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557044A (en) * | 2013-11-08 | 2014-02-05 | 张旭 | Hiding cover for reducing noise and infrared target features of mobile diesel generator |
| CN103557044B (en) * | 2013-11-08 | 2015-08-26 | 张旭 | Reduce the stealthy cover of mobile Diesel Generator Noise and infrared target feature |
| CN111005843A (en) * | 2019-10-28 | 2020-04-14 | 哈尔滨普华电力设计有限公司 | Protective cover of wind driven generator |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20161108 |