CN207926348U - A kind of diesel-driven generator of excellent noise reduction effect - Google Patents
A kind of diesel-driven generator of excellent noise reduction effect Download PDFInfo
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- CN207926348U CN207926348U CN201820464979.1U CN201820464979U CN207926348U CN 207926348 U CN207926348 U CN 207926348U CN 201820464979 U CN201820464979 U CN 201820464979U CN 207926348 U CN207926348 U CN 207926348U
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- diesel
- noise reduction
- mute cover
- generator
- reduction effect
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Abstract
The utility model is related to motor fields, more particularly to a kind of diesel-driven generator of excellent noise reduction effect, including pedestal and the mute cover being fixed on the base, diesel engine and generator, the mute cover is removably attachable to together by bolt and pedestal, the diesel engine and generator are arranged inside mute cover, it is provided with speed reducer between the diesel engine and generator, the active axis connection that the arbor of the diesel engine passes through the first yielding coupling and the speed reducer, the driven axis connection that the arbor of the generator passes through the second yielding coupling and the speed reducer, mute cover, the design of first yielding coupling and the second yielding coupling effectively carries out noise reduction to diesel engine and generator.
Description
Technical field
The utility model is related to motor fields, and in particular to a kind of diesel-driven generator of excellent noise reduction effect.
Background technology
Currently, motor is widely used in electronics and automation equipment industry.Diesel-driven generator is generally by diesel engine and hair
Motor form, the wherein arbor of diesel engine are fixedly connected with the arbor of generator, to drive generator to rotate using diesel engine,
Realize power generation.Diesel engine and generator will produce vibration at work, and the vibration of the two is synchronous, leads to diesel generation
The vibration of machine entirety is very severe, can not only influence the construction personnel of surrounding, other people is caused to can not work normally, and vibrates
It also results in the precision elements such as the instrument of diesel-driven generator itself to be damaged, influences service life.
For this problem, someone designs by adding acoustical cotton in motor product, is carried out to noise using acoustical cotton
It absorbs, such noise reduction mode is very simple, cannot be eliminated well to noise, and great shadow is caused to ambient enviroment
It rings, the utility model proposes a kind of new solution in view of the above problems.
Utility model content
The utility model is larger for existing diesel-driven generator noise, affects to the health of people,
A kind of diesel-driven generator of excellent noise reduction effect is provided, it is only to carry out asking for noise reduction by acoustical cotton to change conventional diesel generator
Topic.
The technical solution of the utility model is to provide a kind of diesel-driven generator of excellent noise reduction effect, including pedestal and be fixed on
Mute cover, diesel engine on pedestal and generator, the mute cover is removably attachable to together by bolt and pedestal, described
Diesel engine and generator are arranged inside mute cover, and speed reducer, the diesel engine are provided between the diesel engine and generator
Arbor by the active axis connection of the first yielding coupling and the speed reducer, the arbor of the generator passes through the second elasticity
The driven axis connection of shaft coupling and the speed reducer, the mute cover are equipped with air inlet, institute positioned at one end of the generator
That states mute cover is equipped with air outlet positioned at one end of the diesel engine, is removably equipped on the mute cover of the air inlet
Intake muffler is removably equipped with air outlet silencing device on the mute cover at the air outlet, is provided on the mute cover
Heat emission hole, heat emission hole inside are provided with radiator, and the mute cover inner wall is equipped with acoustical cotton.Pass through setting the first elasticity connection
Axis device and the second yielding coupling, make the vibration of diesel engine, speed reducer and generator be inhibited, mute cover makes diesel-driven generator
Noise is set to be inhibited in conjunction with the silencer of air inlet and air outlet generally in enclosed environment.
Preferably, the diesel-driven generator of above-mentioned a kind of excellent noise reduction effect, the intake muffler include intake muffler shell
Body, air inlet pipe and hush tube, air inlet pipe and hush tube are set to intake muffler enclosure interior, and the air inlet pipe is trumpet type pipe
The horn mouth stub end in road, air inlet pipe connects air inlet, the small head end connection hush tube middle part of horn mouth of air inlet pipe, the noise elimination
Pipe both ends are connected to intake muffler hull outside, if being respectively provided on the tube wall in the middle part of hush tube between two ends of hush tube
Dry perforation, intake muffler shell are equipped with the cavity being closed at position corresponding with several perforation, and the cavity inner wall is equipped with
Muffler plate.The horn mouth stub end of air inlet pipe connects air inlet, and diesel-driven generator makes to form negative pressure in mute cover when working, mute
The outer air of cover is inhaled into horn mouth, and air inlet is smooth；It is connected in the middle part of the air inlet pipe of trumpet type and hush tube, forms resistance noise reduction knot
Structure has the effect of eliminating medium, high frequency noise；The perforation of noise elimination tube wall coordinates cavity, forms resonant cavity type silencer, belongs to
Reactive muffling structure has the effect of in eliminating, low frequency noise；The structure of entire intake muffler neither influences to enter the wind efficiency,
It can effectively prevent and weaken acoustic energy propagating outward again.
Preferably, the diesel-driven generator of above-mentioned a kind of excellent noise reduction effect, the muffler plate include that several sections are arc-shaped simultaneously
The sound wave baffle-board of interconnection.Sound wave baffle-board is located at cavity inner wall, because of its arcwall face, can generate reflecting effect to sound,
So that the sound in cavity is reflected and again pass through the perforation of noise elimination tube wall, reinforces the acoustic resonance effect in cavity, play
Better resonant silencing effect.
Preferably, the diesel-driven generator of above-mentioned a kind of excellent noise reduction effect, the air outlet silencing device include air outlet silencing device shell
Body and several porous plates, the air outlet silencing device enclosure interior is equipped with the discharge pipe at connection air outlet silencing device shell both ends, several
Porous board stacking is in discharge pipe and coaxial with discharge pipe, and the aperture of several porous plates is staggered in arrangement.In view of leading to for air draft
Freely, the discharge pipe pipeline structure of air outlet silencing device is simple, and ventilation is smooth, and stacking porous plate plays resistive with the aperture being staggered in arrangement
The effect of noise elimination.
Preferably, the diesel-driven generator of above-mentioned a kind of excellent noise reduction effect is equipped with sieve at the air inlet and air outlet.
Sieve plays the role of preventing foreign matter from entering air inlet and air outlet and blocking air duct, intake muffler and air outlet silencing device.
Preferably, a kind of diesel-driven generator of above-mentioned excellent noise reduction effect, the radiator are made of multiple heat emission fans,
The multiple heat emission fan distinguishes symmetrical setting on the inside of mute cover.
Preferably, the diesel-driven generator of above-mentioned a kind of excellent noise reduction effect is provided with transparent observing window on the mute cover.
Preferably, a kind of diesel-driven generator of above-mentioned excellent noise reduction effect, the mute cover are internally provided with temperature sensor,
The temperature sensor is connected with radiator.Radiator can be saved according to the feedback information regulation power of temperature sensor
Save energy consumption.
The utility model has the advantage of：Relative to conventional motors, the utility model is by being arranged yielding coupling and subtracting
Fast machine so that the body vibration of diesel-driven generator can be inhibited well, have good practicability, in addition, mute cover
Upper air silencer and being designed with for air outlet silencing device carry out targetedly noise reduction conducive to different noise sources, make an uproar to each frequency
The noise reduction of sound is excellent, and the tactical rule of intake muffler and air outlet silencing device makes production standardization, modularization, subtracts significantly
The transportation volume of small unit, is greatly saved raw material.
Description of the drawings
The utility model is further described in conjunction with the embodiments with reference to the accompanying drawings：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model intake muffler；
Fig. 3 is the portions A partial enlarged view in Fig. 2；
Fig. 4 is the structural schematic diagram of the utility model air outlet silencing device.
1, pedestal；2, mute cover；3, diesel engine；4, generator；5, speed reducer；6, the first yielding coupling；7, the second bullet
Property shaft coupling；8, intake muffler；9, air outlet silencing device；10, radiator；11, acoustical cotton；12, sieve；13, transparent observing
Window；14, temperature sensor；801, intake muffler shell；802, air inlet pipe；803, hush tube；804, it perforates；805, empty
Chamber；806, muffler plate；807, sound wave baffle-board；901, air outlet silencing device shell；902, porous plate；903, discharge pipe；904, small
Hole.
Specific implementation mode
For the technology contents of the utility model, construction feature, the objects and the effects are described in detail, below in conjunction with implementation
Mode simultaneously coordinates attached drawing to be explained in detail.
A kind of diesel-driven generator of excellent noise reduction effect as shown in Figure 1, including pedestal 1 and be fixed on it is mute on pedestal 1
Cover 2, diesel engine 3 and generator 4, the mute cover 2 are removably attachable to together by bolt and pedestal 1, the diesel engine 3
It is arranged inside mute cover 2 with generator 4, speed reducer 5, the diesel engine 3 is provided between the diesel engine 3 and generator 4
Arbor by the active axis connection of the first yielding coupling 6 and the speed reducer 5, the arbor of the generator 4 passes through second
The driven axis connection of yielding coupling 7 and the speed reducer 5, the mute cover 2 positioned at one end of the generator 4 be equipped with into
Air port, the mute cover 2 is equipped with air outlet positioned at one end of the diesel engine, removable on the mute cover 2 of the air inlet
That unloads is equipped with intake muffler 8, and air outlet silencing device 9 is removably equipped on the mute cover 2 at the air outlet, described quiet
It is provided with heat emission hole on sound cover 2, radiator 10 is provided on the inside of the heat emission hole, mute cover inner wall is equipped with acoustical cotton 11.Pass through
First yielding coupling and the second yielding coupling are set, the vibration of diesel engine, speed reducer and generator is made to be inhibited, it is mute
Cover makes diesel-driven generator so that noise is inhibited in conjunction with the silencer of air inlet and air outlet generally in enclosed environment.
In the particular embodiment, the diesel-driven generator of above-mentioned a kind of excellent noise reduction effect, as shown in Fig. 2, the air inlet disappears
Sound device includes intake muffler shell 801, air inlet pipe 802 and hush tube 803, and air inlet pipe and hush tube are set to intake muffler shell
Internal portion, the air inlet pipe are trumpet type pipeline, and the horn mouth stub end of air inlet pipe connects air inlet, and the horn mouth of air inlet pipe is small
Head end is connected in the middle part of hush tube, and the hush tube both ends are connected to intake muffler hull outside, hush tube middle part and hush tube
Several perforation 804 are respectively provided on tube wall between two ends, intake muffler shell is set at position corresponding with several perforation
There are the cavity 805 of closure, the cavity inner wall to be equipped with muffler plate 806.
The horn mouth stub end of air inlet pipe connects air inlet, and diesel-driven generator makes to form negative pressure in mute cover when working, quiet
The outer air of sound cover is inhaled into horn mouth, and air inlet is smooth；It is connected in the middle part of the air inlet pipe of trumpet type and hush tube, forms resistance noise reduction knot
Structure has the effect of eliminating medium, high frequency noise；The perforation of noise elimination tube wall coordinates cavity, forms resonant cavity type silencer, belongs to
Reactive muffling structure has the effect of in eliminating, low frequency noise；The structure of entire intake muffler neither influences to enter the wind efficiency,
It can effectively prevent and weaken acoustic energy propagating outward again.
In the particular embodiment, the diesel-driven generator of above-mentioned a kind of excellent noise reduction effect, as shown in figure 3, the muffler plate
Sound wave baffle-board 807 that is arc-shaped including several sections and being connected with each other.Sound wave baffle-board is located at cavity inner wall, because of its arc
Face can generate reflecting effect to sound, so that the sound in cavity is reflected and again pass through the perforation 804 of noise elimination tube wall, add
Acoustic resonance effect in strong cavity, plays the role of better resonant silencing.
In the particular embodiment, the diesel-driven generator of above-mentioned a kind of excellent noise reduction effect, as shown in figure 4, the outlet air disappears
Sound device includes air outlet silencing device shell 901 and several porous plates 902, and the air outlet silencing device enclosure interior is equipped with connection outlet air and disappears
The discharge pipe 903 at sound device shell both ends, several porous board stackings are in discharge pipe and coaxial with discharge pipe, several porous plates
Aperture 904 is staggered in arrangement.Unobstructed in view of air draft, the discharge pipe pipeline structure of air outlet silencing device is simple, and ventilation is smooth, stacking
Porous plate and the aperture being staggered in arrangement play the role of resistance noise reduction.
In the particular embodiment, the diesel-driven generator of above-mentioned a kind of excellent noise reduction effect, at the air inlet and air outlet
It is separately installed with sieve 12, the design of sieve can stop some dust and impurity playing prevents foreign matter from entering air inlet
Mouthful and air outlet and block the effect in air duct, intake muffler and air outlet silencing device.
In the particular embodiment, the diesel-driven generator of above-mentioned a kind of excellent noise reduction effect, the radiator 10 is by more
A heat emission fan composition, the multiple heat emission fan distinguish symmetrical setting in 2 inside of mute cover, and the design of multiple heat emission fans can
Quickly to shed to the heat inside mute cover, the service life of diesel engine and generator is improved.
In the particular embodiment, the diesel-driven generator of above-mentioned a kind of excellent noise reduction effect is provided on the mute cover 2
The design of bright watch window 13, transparent observing window facilitates observation of the staff to inner case.
In the particular embodiment, a kind of diesel-driven generator of above-mentioned excellent noise reduction effect, the mute cover 2 are internally provided with
Temperature sensor 14, the temperature sensor 14 are connected with radiator 10, and the design of temperature sensor 14 can be automatic right
Heat inside mute cover 2 sheds automatically, facilitates the use of people.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are equally included in the patent within the scope of the utility model.
Claims (8)
1. a kind of diesel-driven generator of excellent noise reduction effect, including pedestal and the mute cover, diesel engine and the power generation that are fixed on the base
Machine, which is characterized in that the mute cover is removably attachable to together by bolt and pedestal, and the diesel engine and generator are set
It sets inside mute cover, speed reducer is provided between the diesel engine and generator, the arbor of the diesel engine passes through the first bullet
The active axis connection of property shaft coupling and the speed reducer, the arbor of the generator pass through the second yielding coupling and the deceleration
The driven axis connection of machine, the mute cover are equipped with air inlet positioned at one end of the generator, and the mute cover is located at institute
The one end for stating diesel engine is equipped with air outlet, and intake muffler is removably equipped on the mute cover of the air inlet, described
Air outlet silencing device is removably installed on the mute cover at air outlet, heat emission hole is provided on the mute cover, the heat emission hole
Inside is provided with radiator, and the mute cover inner wall is equipped with acoustical cotton.
2. a kind of diesel-driven generator of excellent noise reduction effect according to claim 1, which is characterized in that the intake muffler
Including intake muffler shell, air inlet pipe and hush tube, air inlet pipe and hush tube are set to intake muffler enclosure interior, it is described into
Tracheae is trumpet type pipeline, and the horn mouth stub end of air inlet pipe connects air inlet, and the small head end connection of horn mouth of air inlet pipe is eliminated the noise
In the middle part of pipe, the hush tube both ends are connected to intake muffler hull outside, in the middle part of hush tube between two ends of hush tube
Tube wall on be respectively provided with several perforation, intake muffler shell is equipped with the cavity being closed, institute at position corresponding with several perforation
It states cavity inner wall and is equipped with muffler plate.
3. a kind of diesel-driven generator of excellent noise reduction effect according to claim 2, which is characterized in that the muffler plate includes
Several sections it is arc-shaped and be connected with each other sound wave baffle-board.
4. a kind of diesel-driven generator of excellent noise reduction effect according to claim 1, which is characterized in that the air outlet silencing device
Including air outlet silencing device shell and several porous plates, the air outlet silencing device enclosure interior is equipped with connection air outlet silencing device shell two
The discharge pipe at end, several porous board stackings are in discharge pipe and coaxial with discharge pipe, and the aperture of several porous plates is staggered in arrangement.
5. a kind of diesel-driven generator of excellent noise reduction effect according to claim 1, which is characterized in that the air inlet and go out
Sieve is separately installed at air port.
6. a kind of diesel-driven generator of excellent noise reduction effect according to claim 1, which is characterized in that the radiator by
Multiple heat emission fan compositions, the multiple heat emission fan distinguish symmetrical setting on the inside of mute cover.
7. a kind of diesel-driven generator of excellent noise reduction effect according to claim 1, which is characterized in that set on the mute cover
It is equipped with transparent observing window.
8. a kind of diesel-driven generator of excellent noise reduction effect according to claim 1, which is characterized in that inside the mute cover
It is provided with temperature sensor, the temperature sensor is connected with radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820464979.1U CN207926348U (en) | 2018-03-30 | 2018-03-30 | A kind of diesel-driven generator of excellent noise reduction effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820464979.1U CN207926348U (en) | 2018-03-30 | 2018-03-30 | A kind of diesel-driven generator of excellent noise reduction effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207926348U true CN207926348U (en) | 2018-09-28 |
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ID=63595464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820464979.1U Active CN207926348U (en) | 2018-03-30 | 2018-03-30 | A kind of diesel-driven generator of excellent noise reduction effect |
Country Status (1)
| Country | Link |
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| CN (1) | CN207926348U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429386A (en) * | 2018-03-30 | 2018-08-21 | 杭州新尚科技咨询有限公司 | A kind of diesel-driven generator of excellent noise reduction effect |
| CN109395412A (en) * | 2018-10-30 | 2019-03-01 | 江苏彭乐智能科技有限公司 | A kind of silencing apparatus of intelligent toy |
-
2018
- 2018-03-30 CN CN201820464979.1U patent/CN207926348U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429386A (en) * | 2018-03-30 | 2018-08-21 | 杭州新尚科技咨询有限公司 | A kind of diesel-driven generator of excellent noise reduction effect |
| CN109395412A (en) * | 2018-10-30 | 2019-03-01 | 江苏彭乐智能科技有限公司 | A kind of silencing apparatus of intelligent toy |
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