CN204082329U - Super-silent diesel generating set - Google Patents
Super-silent diesel generating set Download PDFInfo
- Publication number
- CN204082329U CN204082329U CN201420526627.6U CN201420526627U CN204082329U CN 204082329 U CN204082329 U CN 204082329U CN 201420526627 U CN201420526627 U CN 201420526627U CN 204082329 U CN204082329 U CN 204082329U
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- plate
- generating set
- super
- water tank
- shrouding
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000009413 insulation Methods 0.000 claims abstract description 15
- 230000030279 gene silencing Effects 0.000 claims abstract description 12
- 229920000742 Cotton Polymers 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 7
- 210000003141 lower extremity Anatomy 0.000 claims description 6
- 239000002828 fuel tank Substances 0.000 claims description 4
- 230000003584 silencer Effects 0.000 claims description 3
- 230000009466 transformation Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010977 unit operation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model provides a kind of super-silent diesel generating set, belong to technical field of generators, this super-silent diesel generating set, comprise diesel engine, generator, water tank, base, top cover, shell, shell comprises front shrouding, rear shrouding, door-plate, rear plate, water tank front end is connected with water tank baffle plate, water tank baffle plate side is front casing opposite side is rear box, shrouding before front casing one end connects, front casing is tilted is connected with wind-guiding swash plate, silencing apparatus is connected with in front casing, shrouding after rear box one end connects, base, rear shrouding, door-plate all there is intake grill, each intake grill back side is connected with wind-guiding insulation board, inner surface of outer cover is all covered with acoustical cotton.The utility model, by the noise analysis to diesel generating set, is excavated noise source and is adopted different designs and transformation for each noise source, greatly reduce noise, and compact structure, radiating effect is good.
Description
Technical field
The utility model belongs to technical field of generators, particularly the super-silent diesel generating set of one.
Background technique
Diesel generating set take diesel engine as prime mover, drags a kind of power apparatus of synchronous generator generating.When diesel generating set runs, usually can produce the noise of 95 ~ 125 decibels, if do not take necessary noise reduction measure, the noise of unit operation, will cause serious harm to surrounding environment.By analysis, the noise of diesel generating set is mainly derived from the following aspects:
1, exhaust sound: exhaust sound is that the jet noise formed after relief opening sprays by the periodically pulsing noise produced during cylinder piston movement and high velocity air by gas is composited, more much higher than the mechanical noise of induction noise and body radiation, be topmost constituent element in motor overall noise;
2, mechanical noise: mechanical noise mainly each moving element of motor in operation process by the vibrations caused by mechanical periodicity of gas pressure and motion inertia force or mutually impact and produce;
3, combustion noise: combustion noise is the structure quake that produces in combustion of diesel oil and noise;
4, cooling fan noise: general unit water tank is provided with cooling fan, and cooling fan noise is made up of eddy current crack and rotational noise;
5, exhaust noise: exhaust noise mainly produces because exhaust sound, cooling fan noise, mechanical noise are radiate by the passage of air draft;
6, air intake noise: diesel generating set needs enough fresh air supplies when normal work, the air intake passage of unit must be able to make new wind enter machine room smoothly, and simultaneously the mechanical noise of unit, pneumatic noise also can be radiated outside machine room by this air intake passage;
7, generator noise: pulse the electromagnetic noise caused in the generator noise magnetic field comprised between stators and rotators, and rolling bearing rotates the mechanical noise produced.
Model utility content
The purpose of this utility model is for above technical problem, provides that a kind of muting function is good, the super-silent diesel generating set of compact structure.
The technological scheme that the utility model is adopted for achieving the above object is: super-silent diesel generating set, diesel engine output terminal connects generator, diesel engine free end connects water tank, diesel engine, generator is connected with base respectively, top cover is positioned at diesel engine, generator, on water tank, diesel engine, generator, water tank periphery is shell, shell comprises front shrouding, rear shrouding, door-plate, rear plate, it is characterized in that: water tank front end is connected with water tank baffle plate, water tank baffle plate side is front casing opposite side is rear box, shrouding before front casing one end connects, front casing is tilted is connected with wind-guiding swash plate, silencing apparatus is connected with in front casing, shrouding after rear box one end connects, base, rear shrouding, door-plate all there is intake grill, each intake grill back side is connected with wind-guiding insulation board, inner surface of outer cover is all covered with acoustical cotton.
Further, described base is provided with fuel tank.
Further, described top cover is provided with exhaust port, smoke exhaust port, filler, oil filler.
Further, described exhaust port, smoke exhaust port are all positioned on front casing.
Further, described rear shrouding is provided with emergency stop switch, viewing window.
Further, the steel plate of described water tank baffle plate to be thickness be 2 ~ 4mm.
Further, the steel plate of described wind-guiding swash plate to be thickness be 2 ~ 4mm, angle of inclination is 120 ~ 150 degree.
Further, described silencing apparatus is combined type impedance silencer.
Further, described wind-guiding insulation board is made up of upper plate, lower plate, and upper plate is parallel to intake grill, and upper plate lower end is not less than the lower limb of intake grill, and lower plate two ends connect the lower limb of upper plate lower end and intake grill respectively, the steel plate of wind-guiding insulation board to be thickness be 2 ~ 4mm.
The utility model is by the noise analysis to diesel generating set, excavate noise source and adopt different designs and transformation for each noise source: the impedance muffler that the utility model adopts, the noise-cancelling theory of dissipative muffler and reactive muffler is combined by appropriate configuration, have both acoustic characteristicses concurrently, substantially increase noise reduction; Unit and silencing apparatus separate by the design of water tank baffle plate, silencing apparatus runs the normal work that the high temperature produced can not affect unit thus, prevent leaking of engine sound simultaneously, reduce the noise of unit to greatest extent, this noise source of original cooling fan is decreased while ensureing the normal operation of unit, design wind-guiding swash plate simultaneously, guide unit hot blast to be able to smooth discharge to the exhaust port on top cover, ensure that the normal temperature of unit operation; Base, rear shrouding, door-plate are equipped with intake grill, and the back side of each intake grill has installed wind-guiding insulation board additional, and then lengthen air channel, the discharge path of noise is extended, discharge noise to be weakened, while guarantee unit air output is enough, reduces the discharge of noise; At the acoustical cotton that cabinet inside overlays, utilize the micropore of the numerous air composition on acoustical cotton, can the sound wave arriving acoustical cotton be cushioned and be absorbed, greatly reduce the discharge of inner unit noise.
Accompanying drawing explanation
Fig. 1 is the structure front view of super-silent diesel generating set.
Fig. 2 is the structure plan view of the top cover of super-silent diesel generating set.
Fig. 3 is the structural representation of the rear shrouding of super-silent diesel generating set.
Fig. 4 is the structural representation of the door-plate of super-silent diesel generating set.
Fig. 5 is the structural representation of the water tank front end of super-silent diesel generating set.
Fig. 6 is the sectional drawing of the front shrouding of super-silent diesel generating set.
Fig. 7 is the structural representation of the intake grill of super-silent diesel generating set.
Fig. 8 is the structural representation of the wind-guiding insulation board of super-silent diesel generating set.
In figure: 1, diesel engine, 2, generator, 3, water tank, 4, base, 5, top cover, 6, shell, 7, front shrouding, 8, rear shrouding, 9, door-plate, 10, rear plate, 11, water tank baffle plate, 12, front casing, 13, rear box, 14, wind-guiding swash plate, 15, silencing apparatus, 16, intake grill, 17, wind-guiding insulation board, 18, acoustical cotton, 19, fuel tank, 20, exhaust port, 21, smoke exhaust port, 22, filler, 23, oil filler, 24, upper plate, 25, lower plate, 26, emergency stop switch, 27, viewing window.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Embodiment 1
Is the super-silent diesel generating set of 30kW as shown in Fig. 1 ~ 8, and diesel engine 1 output terminal connects generator 2, and diesel engine 1 free end connects water tank 3, diesel engine 1, generator 2 is connected with base 4 respectively, and top cover 5 is positioned at diesel engine 1, generator 2, on water tank 3, diesel engine 1, generator 2, water tank 3 periphery is shell 6, and shell 6 comprises front shrouding 7, rear shrouding 8, door-plate 9, rear plate 10, shell 6 internal surface is all covered with acoustical cotton 18, base 4 is provided with fuel tank 19, water tank 3 front end is connected with water tank baffle plate 11, water tank baffle plate 11 for thickness be the steel plate of 2mm, water tank baffle plate 11 side is front casing 12 opposite side is rear box 13, shrouding 7 before front casing 12 one end connects, front casing 12 is tilted is connected with wind-guiding swash plate 14, wind-guiding swash plate 14 for thickness be the steel plate of 2mm, angle of inclination is 135 degree, is connected with silencing apparatus 15 in front casing 12, silencing apparatus 15 is combined type impedance silencer, and top cover 5 is provided with exhaust port 20, smoke exhaust port 21, filler 22, oil filler 23, exhaust port 20, smoke exhaust port 21 is all positioned on front casing 12, shrouding 8 after rear box 13 one end connects, and rear shrouding 8 is provided with emergency stop switch 26, viewing window 27, base 4, rear shrouding 8, door-plate 9 all has intake grill 16, and each intake grill 16 back side is connected with wind-guiding insulation board 17, and wind-guiding insulation board 17 is by upper plate 24, lower plate 25 is formed, and upper plate 24 is parallel to intake grill 16, and upper plate 24 lower end is not less than the lower limb of intake grill 16, and lower plate 25 two ends connect the lower limb of upper plate 24 lower end and intake grill 16 respectively, wind-guiding insulation board 17 for thickness be the steel plate of 2mm.
During unit work, unit and silencing apparatus 15 separate by water tank baffle plate 11, silencing apparatus 15 runs the normal work that the high temperature produced can not affect unit thus, prevent leaking of engine sound simultaneously, reduce the noise of unit to greatest extent, and then replace original water tank cooling fan to dispel the heat the noise produced, decrease noise source while ensureing the normal operation of unit; As shown in Figure 1, the hot blast that unit work gives out changes flow direction by wind-guiding swash plate 14 and discharges smoothly to the exhaust port 20 on top cover 5, the normal temperature during unit operation of guarantee; Base 4, rear shrouding 8, door-plate 9 are equipped with intake grill 16, as shown in Figure 7, Figure 8, the back side of each intake grill 16 has installed wind-guiding insulation board 17 additional, and then lengthening air channel, air intake is made to be able to smooth importing (shown in right side arrow), the discharge path of noise is extended, discharges noise and weakened (shown in left arrow), while guarantee unit air output is enough, reduces the discharge of noise; At the acoustical cotton 18 that cabinet inside overlays, utilize the micropore of the numerous air composition on acoustical cotton 18, can the sound wave arriving acoustical cotton 18 be cushioned and be absorbed, greatly reduce the discharge of inner unit noise.
After testing, by above-mentioned a series of transformation of the present utility model, the noise of the diesel generating set of 30kW is reduced to 62 decibels by original 71 decibels, and the noise of diesel generating set is reduced greatly.
Embodiment 2
Super-silent diesel generating set structure and the working procedure of employing in embodiment 2 are in the same manner as in Example 1, and the different relevant parameters of embodiment 2 are as follows:
(1) water tank baffle plate 11 for thickness be the steel plate of 4mm;
(2) wind-guiding swash plate 14 for thickness be the steel plate of 4mm;
(3) wind-guiding swash plate 14 angle of inclination is 120 degree;
(4) wind-guiding insulation board 17 for thickness be the steel plate of 4mm.
Claims (9)
1. super-silent diesel generating set, comprise diesel engine and generator, diesel engine (1) output terminal connects generator (2), diesel engine (1) free end connects water tank (3), diesel engine (1), generator (2) is connected with base (4) respectively, top cover (5) is positioned at diesel engine (1), on generator (2) and water tank (3), diesel engine (1), generator (2) and water tank (3) periphery are shell (6), shell (6) comprises front shrouding (7), rear shrouding (8), door-plate (9) and rear plate (10), it is characterized in that: water tank (3) front end is connected with water tank baffle plate (11), water tank baffle plate (11) side is front casing (12), opposite side is rear box (13), shrouding (7) before front casing (12) one end connects, front casing (12) is tilted is connected with wind-guiding swash plate (14), silencing apparatus (15) is connected with in front casing (12), shrouding (8) after rear box (13) one end connects, base (4), rear shrouding (8) and door-plate (9) all there is intake grill (16), each intake grill (16) back side is connected with wind-guiding insulation board (17), shell (6) internal surface is all covered with acoustical cotton (18).
2. super-silent diesel generating set according to claim 1, is characterized in that: described base (4) is provided with fuel tank (19).
3. super-silent diesel generating set according to claim 1, is characterized in that: described top cover (5) is provided with exhaust port (20), smoke exhaust port (21), filler (22), oil filler (23).
4. super-silent diesel generating set according to claim 3, is characterized in that: described exhaust port (20), smoke exhaust port (21) are all positioned on front casing (12).
5. super-silent diesel generating set according to claim 1, is characterized in that: described rear shrouding (8) is provided with emergency stop switch (26), viewing window (27).
6. super-silent diesel generating set according to claim 1, is characterized in that: described water tank baffle plate (11) for thickness be the steel plate of 2 ~ 4mm.
7. super-silent diesel generating set according to claim 1, is characterized in that: described wind-guiding swash plate (14) for thickness be the steel plate of 2 ~ 4mm, angle of inclination is 120 ~ 150 degree.
8. super-silent diesel generating set according to claim 1, is characterized in that: described silencing apparatus (15) is combined type impedance silencer.
9. super-silent diesel generating set according to claim 1, it is characterized in that: described wind-guiding insulation board (17) is made up of upper plate (24), lower plate (25), upper plate (24) is parallel to intake grill (16), upper plate (24) lower end is not less than the lower limb of intake grill (16), lower plate (25) two ends connect the lower limb of upper plate (24) lower end and intake grill (16) respectively, wind-guiding insulation board (17) for thickness be the steel plate of 2 ~ 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420526627.6U CN204082329U (en) | 2014-09-12 | 2014-09-12 | Super-silent diesel generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420526627.6U CN204082329U (en) | 2014-09-12 | 2014-09-12 | Super-silent diesel generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204082329U true CN204082329U (en) | 2015-01-07 |
Family
ID=52175056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420526627.6U Expired - Fee Related CN204082329U (en) | 2014-09-12 | 2014-09-12 | Super-silent diesel generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204082329U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295365A (en) * | 2014-09-12 | 2015-01-21 | 江苏金润龙科技有限公司 | Ultra-silent diesel generating set |
| CN109139251A (en) * | 2018-10-17 | 2019-01-04 | 山东赛马力动力科技有限公司 | A kind of pull staggered form noise reduction sound-deadening body structure of vehicle-mounted mute unit |
-
2014
- 2014-09-12 CN CN201420526627.6U patent/CN204082329U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295365A (en) * | 2014-09-12 | 2015-01-21 | 江苏金润龙科技有限公司 | Ultra-silent diesel generating set |
| CN109139251A (en) * | 2018-10-17 | 2019-01-04 | 山东赛马力动力科技有限公司 | A kind of pull staggered form noise reduction sound-deadening body structure of vehicle-mounted mute unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 225000 Yangzhou City, Jiangsu Province, Gaoyou City, the town of car Lou industrial concentration area Patentee after: JIANGSU GOLD DRAGON POWER Co.,Ltd. Address before: 225600 Yangzhou City, Jiangsu Province, Gaoyou City, the town of car Lou industrial concentration area Patentee before: JIANGSU GOLD DRAGON POWER Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 |