CN110306620A - Reduced noise engine cabin and excavator - Google Patents
Reduced noise engine cabin and excavator Download PDFInfo
- Publication number
- CN110306620A CN110306620A CN201910567209.9A CN201910567209A CN110306620A CN 110306620 A CN110306620 A CN 110306620A CN 201910567209 A CN201910567209 A CN 201910567209A CN 110306620 A CN110306620 A CN 110306620A
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- noise
- cabin
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- area
- control device
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 20
- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 230000035945 sensitivity Effects 0.000 claims description 27
- 238000001514 detection method Methods 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
- E02F9/0866—Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
It includes multiple rotary shutters, multiple temperature sensors and control device that the present invention, which provides a kind of reduced noise engine cabin and excavator, the reduced noise engine cabin,；The predeterminated position of enging cabin is arranged in multiple rotary shutters, forms the ventilation opening of radiating of engine cabin；The corresponding heat dissipation region of multiple rotary shutters inside enging cabin is arranged in multiple temperature sensors, and the temperature information for obtaining the heat dissipation region of the corresponding rotary shutter in real time is simultaneously transmitted to the control device；The control device generates rotation control signal according to temperature information and is sent to corresponding rotary shutter to adjust the angle of its folding for connecting multiple rotary shutters.Reduced noise engine cabin of the invention can adjust noise reduction frequency range by adjusting the angle of shutter, to reduce noise, be greatly reduced to outdoor noise pollution under the premise of not influencing heat dissipation.
Description
Technical field
The present invention relates to engineering truck manufacturing fields, in particular to a kind of reduced noise engine cabin and excavator.
Background technique
With the continuous development of engineering-built industry, engineering truck manufacturing field also goes from strength to strength, and various high-power engineering trucks are thrown
Enter into building industry.
The control of engineering vehicle device external radiation noise is still insoluble problem at present.Common noise-reduction method is to add
Strong seal form increases sound-absorbing material, increases the ways such as noise reduction blind pipe.But use the enging cabin pair for reinforcing seal form
Heat dissipation influences very big, and heat is easy to accumulate to influence service life of engine in enging cabin, using sound-absorbing material and
The noise reduction frequency range that noise reduction blind pipe is directed to is handed over narrow, it is difficult to adjust.
Summary of the invention
In view of the above problems, the present invention provides a kind of reduced noise engine cabin and excavators, before not influencing heat dissipation
It puts, noise reduction frequency range can be adjusted by adjusting the angle of shutter, to reduce noise, be greatly reduced and make an uproar to outdoor
Sound pollution.
To achieve the goals above, the present invention adopts the following technical scheme that:
A kind of reduced noise engine cabin, including multiple rotary shutters, multiple temperature sensors and control device；
The predeterminated position of enging cabin is arranged in multiple rotary shutters, forms the ventilation opening of radiating of engine cabin；
The corresponding radiating area of multiple rotary shutters inside enging cabin is arranged in multiple temperature sensors
Domain obtains the temperature information of the heat dissipation region of the corresponding rotary shutter in real time and is transmitted to the control device；
The control device generates rotation control signal for connecting multiple rotary shutters, according to temperature information
And corresponding rotary shutter is sent to adjust the angle of its folding.
It preferably, further include angle feed-back device in the reduced noise engine cabin；
The angle feed-back device is connected to the rotary shutter and the control device, for obtaining the rotation
Turn the folding angle of shutter and feeds back to the control device.
It preferably, further include noise detection device in the reduced noise engine cabin；
The predeterminated position on the outside of enging cabin is arranged in the noise detection device, obtains the noise of enging cabin in real time
Information is simultaneously transmitted to the control device.
Preferably, in the reduced noise engine cabin, the rotary shutter includes multiple Rotatable window leaves and driving
Device；
The driving device is connected to the control device, for driving institute after receiving the rotation control signal
Multiple Rotatable window leaf rotations are stated to adjust its angle.
Preferably, in the reduced noise engine cabin, the Rotatable window leaf is provided with drop to enging cabin interior side
It makes an uproar damping coatings.
Preferably, in the reduced noise engine cabin, according to the sensitivity of temperature and noise inside the enging cabin
It is divided into first area, second area and third region, and in the first area, second area and third region point
At least one described rotary shutter is not set as ventilation opening.
Preferably, in the reduced noise engine cabin, the first area is that temperature sensitivity influences greatly and noise sensitive
Zonule is spent, the second area is temperature and noise sensitivity influences big region, and the third region is temperature sensitivity
Small and noise sensitivity influences big region.
Preferably, in the reduced noise engine cabin, when the enging cabin internal temperature increases, it is sequentially increased institute
State the opening angle of the rotary shutter of first area, the second area and the third region.
Preferably, in the reduced noise engine cabin, when the enging cabin internal temperature reduces, successively increase small institute
State the opening angle of the rotary shutter of third region, the second area and the first area.
The present invention also provides a kind of excavators comprising has the reduced noise engine cabin.
The present invention provides a kind of reduced noise engine cabin, which includes multiple rotary shutters, multiple temperature
Sensor and control device；The predeterminated position of enging cabin is arranged in multiple rotary shutters, forms enging cabin and dissipates
The ventilation opening of heat；It is corresponding scattered that multiple rotary shutters inside enging cabin are arranged in multiple temperature sensors
Thermal region obtains the temperature information of the heat dissipation region of the corresponding rotary shutter in real time and is transmitted to the control device；Institute
Control device is stated for connecting multiple rotary shutters, rotation control signal is generated according to temperature information and is sent to phase
The rotary shutter answered is to adjust the angle that it is opened and closed.Reduced noise engine cabin of the invention, under the premise of not influencing heat dissipation,
Noise reduction frequency range can be adjusted by adjusting the angle of shutter, to reduce noise, be greatly reduced dirty to outdoor noise
Dye.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and match
Appended attached drawing is closed, is described in detail below.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, attached drawing needed in the embodiment will be made below
It simply introduces, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as to this
The restriction of invention protection scope.In various figures, part is similarly comprised using similar number.
Fig. 1 is a kind of structural schematic diagram in reduced noise engine cabin that the embodiment of the present invention 1 provides；
Fig. 2 is a kind of structural schematic diagram in reduced noise engine cabin that the embodiment of the present invention 2 provides；
Fig. 3 is a kind of structural schematic diagram in reduced noise engine cabin that the embodiment of the present invention 3 provides.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
The component of embodiments of the present invention, which are generally described and illustrated herein in the accompanying drawings can be come with a variety of different configurations
Arrangement and design.Therefore, requirement is not intended to limit to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
The scope of the present invention of protection, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, this field
Technical staff's every other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Hereinafter, term " includes ", " having " and its cognate that can be used in various embodiments of the present invention are only
It is intended to mean that special characteristic, number, step, operation, the combination of element, component or aforementioned item, and is understood not to first
Exclude the combined presence or increase of one or more other features, number, step, operation, element, component or aforementioned item
One or more features, number, step, operation, element, component or aforementioned item combination a possibility that.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply
Relative importance.
Unless otherwise defined, otherwise all terms (including technical terms and scientific terms) used herein have with
The identical meaning of the normally understood meaning of various embodiments of the present invention one skilled in the art.The term is (such as
The term limited in the dictionary generally used) it is to be interpreted as with identical as situational meaning in the related technical field
Meaning and Utopian meaning or meaning too formal will be interpreted as having, unless in various realities of the invention
It applies in example and is clearly defined.
Embodiment 1
Fig. 1 is a kind of structural schematic diagram in reduced noise engine cabin that the embodiment of the present invention 1 provides.
The reduced noise engine cabin 100 includes multiple rotary shutters 110, multiple temperature sensors 120 and control device
130；
In the embodiment of the present invention, the reduced noise engine cabin 100 be suitable for various powerful engineering trucks, such as using
In excavator, large-scale airborne carrier, bull-dozer, the large-scale engineering trucks such as crane and road roller, carried out in engineering truck high-power
When output services, the noise of its running can be reduced while reducing temperature, reduces the pollution of ambient noise.
In the embodiment of the present invention, which includes multiple rotary shutters 110, the rotary shutter
110 have rotatable window impeller structure, by providing outer power drive, thus it is possible to vary the folding angle of window leaf, such as the rotation hundred
Leaf window 110 can be driven by electric motor, provide the power of rotation by electric motor for window leaf, which connects
Control device 130 is connect, the rotation control signal of receiving control device 130 executes the angle of rotation, makes rotary shutter 110 can
To carry out rotating folding according to predetermined angle.Wherein, in multiple rotary shutters 110 in the reduced noise engine cabin 100, have
For serving as the rotary shutter 110 of air inlet and serving as the rotary shutter 110 of air outlet, the rotation blinds of air inlet
Window 110 is opposite with 110 position of rotary shutter of air outlet, enters air-flow inside enging cabin from air inlet, from
Air outlet is gone out, and enging cabin internal heat is taken away, to achieve the effect that cooling.
The predeterminated position of enging cabin is arranged in multiple rotary shutters 110, forms the ventilation of radiating of engine cabin
Mouthful；
In the embodiment of the present invention, which can be the detachable default position that enging cabin is arranged in
It sets, the rotary shutter 110 that user can choose same model in 110 failure of rotary shutter is replaced, and
When engine breakdown, the rotary shutter 110 that user can also voluntarily dismantle failure corresponding position carries out checking for failure
With confirmation.Wherein, the external frame of the rotary shutter 110 can be round, rectangle or square, be arranged in engine
Predeterminated position on cabin, it is related with the outer shape of enging cabin, greatly to obtain intake and air output.
In the embodiment of the present invention, which includes multiple Rotatable window leaves 111 and driving device 112,
The driving device 112 receives the 130 rotation control signal rear-guard of control device for being electrically connected the control device 130
It is dynamic, rotatory force is provided for multiple Rotatable window leaves 111 to adjust its angle.Wherein, more in the rotatable shutter 110
The quantity of a Rotatable window leaf 111 is more, represents that window leaf size is smaller, and the control of temperature and noise is finer.Having
When many Rotatable window leaf 111, rotary force can be provided according to the multiple driving devices 112 of preset quantity interval setting,
It and may be that Rotatable window leaf 111 divides region, different driving devices 112 is arranged in different regions, to reach fine
Change the purpose of control temperature and noise.Wherein, the installation direction of the Rotatable window leaf 111 can be with ground level, at this time gas
Mouthful direction can form air-flow and take away heat so that hot-air rises upward.Meanwhile the installation direction of the Rotatable window leaf 111
Can also be perpendicular to the ground, or any angle is kept with ground, to obtain cold air from assigned direction, or heat
It is transmitted to designated position.
In the embodiment of the present invention, Rotatable window leaf 111 is provided with noise reducing damping coating to enging cabin interior side.Its
In, damping paint suitable filler can be added by macromolecule resin and auxiliary material is formulated, and can be coated in various gold
Belong to and form one layer of noise reducing damping coating on plate structure surface, has the function of vibration damping, noise reduction, due to the Rotatable window leaf 111
It is mounted on gas outlet, therefore its coating must also have good high temperature resistance.Since coating can be painted on structure table
On face, therefore easy for construction, especially in complicated shutter, can repetitive coatings over time, to protect
Demonstrate,prove its anti-acoustic capability.
It is corresponding that multiple rotary shutters 110 inside enging cabin are arranged in multiple temperature sensors 120
Heat dissipation region obtains the temperature information of the heat dissipation region of the corresponding rotary shutter 110 in real time and is transmitted to the control dress
Set 130；
In the embodiment of the present invention, multiple temperature sensors 120, the temperature are also provided with inside engine nacelle
Sensor 120 is arranged in gas outlet or the corresponding heat dissipation region of air inlet, such as can be arranged directly on the hot zone of engine
On domain, or it is arranged near rotary shutter 110, obtains the temperature information of the heat dissipation region of rotary shutter 110 in real time,
And control device 130 is transmitted in a manner of rotation control signal.Wherein, which can pass for thermally sensitive temperature
Sensor 120 and infrared sensor etc..
The control device 130 generates rotation control for connecting multiple rotary shutters 110, according to temperature information
Signal processed is simultaneously sent to corresponding rotary shutter 110 to adjust the angle of its folding.
In the embodiment of the present invention, which is additionally provided with control device 130, which connects
It is connected to multiple rotary shutters 110 and corresponding temperature sensor 120, is adjusted according to the real time information of temperature sensor 120
The folding angle of corresponding shutter.Wherein, which may also connect to the working face that engineering truck operates with
In plate, which includes that display screen and instruction key, user can be checked inside enging cabin by working panel
The temperature of each region where temperature sensor 120, and the rotation hundred of each region is controlled by sending instructions under working panel
Leaf window 110, to reduce enging cabin internal temperature and noise.
In the embodiment of the present invention, which can generate rotation control signal control rotation according to temperature information
The folding of shutter 110 makes to be maintained at stationary temperature inside enging cabin to suitable angle, and reduces engine operation
Pollution of the noise to external environment.
Specifically, the firstth area can be divided into according to the sensitivity of temperature and noise previously according to enging cabin inside
Domain, second area and third region, and at least two institutes are set in the first area, second area and third region
Rotary shutter 110 is stated as ventilation opening, which is that temperature sensitivity influences greatly and noise sensitivity zonule, institute
Stating second area is that temperature and noise sensitivity influence big region, the third region for temperature sensitivity is small and noise is clever
Sensitivity influences big region.It wherein, can be by multiple first areas, multiple second areas and multiple inside above-mentioned enging cabin
Third region composition.
In the embodiment of the present invention, when the enging cabin internal temperature increases, it is sequentially increased the first area, institute
State the opening angle of the rotary shutter 110 in second area and the third region.It namely when the temperature rises, can
With the advanced trip temperature sensitivity influence adjustment of the rotary shutter 110 of noise sensitivity zonule greatly, increase rotation blinds
The opening angle of window 110.When the opening angle of the rotary shutter 110 of first area reaches maximum, then increase second
The opening angle of region rotary shutter 110, namely progress temperature and noise sensitivity influence the adjustment in big region.?
When the opening angle of the rotary shutter 110 in two regions reaches maximum, then increase third region rotary shutter 110
Opening angle, namely carry out that temperature sensitivity is small and noise sensitivity influences the adjustment in big region.Can have through the above way
Influence of noise when effect reduces engine operation to external environment.
In the embodiment of the present invention, when the enging cabin internal temperature reduces, successively increase the small third region, institute
State the opening angle of the rotary shutter 110 of second area and the first area.It, can namely when temperature reduces
With advanced trip temperature sensitivity is small and noise sensitivity influence big region rotary shutter 110 adjustment, reduce rotation blinds
The opening angle of window 110.When the opening angle of the rotary shutter 110 in third region reaches minimum, then reduce second
The opening angle of region rotary shutter 110, namely progress temperature and noise sensitivity influence the adjustment in big region.?
When the opening angle of the rotary shutter 110 in two regions reaches minimum, then reduce third region rotary shutter 110
Opening angle, namely carry out the temperature sensitivity influence adjustment of noise sensitivity zonule greatly.
In the embodiment of the present invention, it is not limited to the limitation in above-mentioned division region, can be in enging cabin according to actual demand
Portion divides more regions, here without limitation.
Embodiment 2
Fig. 2 is a kind of structural schematic diagram in reduced noise engine cabin that the embodiment of the present invention 2 provides.
The reduced noise engine cabin 200 includes multiple rotary shutters 210, multiple temperature sensors 220 and control device
230；
The predeterminated position of enging cabin is arranged in multiple rotary shutters 210, forms the ventilation of radiating of engine cabin
Mouthful；
It is corresponding that multiple rotary shutters 210 inside enging cabin are arranged in multiple temperature sensors 220
Heat dissipation region obtains the temperature information of the heat dissipation region of the corresponding rotary shutter 210 in real time and is transmitted to the control dress
Set 230；
The control device 230 generates rotation control for connecting multiple rotary shutters 210, according to temperature information
Signal processed is simultaneously sent to corresponding rotary shutter 210 to adjust the angle of its folding.
Further include angle feed-back device 240, the angle feed-back device 240 for connect the rotary shutter 210 with
And the control device 230, for obtaining the folding angle of the rotary shutter 210 and feeding back to the control device
230。
In the embodiment of the present invention, angle feed-back device 240 can be installed on the window leaf of rotary shutter 210, the angle
Degree feedback device 240 can carry out the precise measurement of window leaf folding angle, and by the folding angle feed-back of measurement to control device
230, so that control device 230 records and is applied in next switching action, to reduce calculation amount.Wherein, opening by measurement
Close angle degree can accurately calculate the rotation angle and direction of window leaf with combined temperature information.
Embodiment 3
Fig. 3 is a kind of structural schematic diagram in reduced noise engine cabin that the embodiment of the present invention 3 provides.
The reduced noise engine cabin 300 includes multiple rotary shutters 310, multiple temperature sensors 320 and control device
330；
The predeterminated position of enging cabin is arranged in multiple rotary shutters 310, forms the ventilation of radiating of engine cabin
Mouthful；
It is corresponding that multiple rotary shutters 310 inside enging cabin are arranged in multiple temperature sensors 320
Heat dissipation region obtains the temperature information of the heat dissipation region of the corresponding rotary shutter 310 in real time and is transmitted to the control dress
Set 330；
The control device 330 generates rotation control for connecting multiple rotary shutters 310, according to temperature information
Signal processed is simultaneously sent to corresponding rotary shutter 310 to adjust the angle of its folding.
It further include noise detection device 340, the noise detection device 340 is pre- on the outside of enging cabin for being arranged in
If position, the noise information of enging cabin is obtained in real time and is transmitted to the control device 330.
In the embodiment of the present invention, multiple noise detection devices 340 are also provided in reduced noise engine cabin 300, it should
The outside of enging cabin is arranged in noise detection device 340, to detect engineering truck bring noise at work, and according to
The noise adjusts in time.Wherein, noise dress detection device may be mounted at the corresponding shutter of each heat dissipation region
Near, it obtains noise information and feeds back to control device 330.The preset value that noise can be set in the control device 330,
The noise of some heat dissipation region can notify user when being more than preset value, or take the operation for reducing noise.
The present invention also provides a kind of excavators comprising has the reduced noise engine cabin of above-described embodiment.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, appoints
What those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, answer
It is included within the scope of the present invention.Therefore, protection scope of the present invention is answered described is with scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of reduced noise engine cabin, which is characterized in that including multiple rotary shutters, multiple temperature sensors and control dress
It sets；
The predeterminated position of enging cabin is arranged in multiple rotary shutters, forms the ventilation opening of radiating of engine cabin；
The corresponding heat dissipation region of multiple rotary shutters inside enging cabin is arranged in multiple temperature sensors, real
When obtain the corresponding rotary shutter heat dissipation region temperature information and be transmitted to the control device；
The control device generates rotation control signal according to temperature information and sends for connecting multiple rotary shutters
The angle of its folding is adjusted to corresponding rotary shutter.
2. reduced noise engine cabin according to claim 1, which is characterized in that further include angle feed-back device；
The angle feed-back device is connected to the rotary shutter and the control device, for obtaining the rotation blinds
The folding angle of window simultaneously feeds back to the control device.
3. reduced noise engine cabin according to claim 1, which is characterized in that further include noise detection device；
The predeterminated position on the outside of enging cabin is arranged in the noise detection device, obtains the noise information of enging cabin simultaneously in real time
It is transmitted to the control device.
4. reduced noise engine cabin according to claim 1, which is characterized in that the rotary shutter includes multiple rotatable
Window leaf and driving device；
The driving device is connected to the control device, the multiple for driving after receiving the rotation control signal
Rotatable window leaf is rotated to adjust its angle.
5. reduced noise engine cabin according to claim 4, which is characterized in that the Rotatable window leaf is to inside enging cabin
Side is provided with noise reducing damping coating.
6. reduced noise engine cabin according to claim 1, which is characterized in that inside the enging cabin according to temperature and
The sensitivity of noise is divided into first area, second area and third region, and the first area, second area and
An at least rotary shutter is respectively set as ventilation opening in third region.
7. reduced noise engine cabin according to claim 6, which is characterized in that the first area is temperature sensitivity influence
Noise sensitivity influence zonule greatly, the second area are that temperature and noise sensitivity influence big region, the third
Region is that temperature sensitivity influences small and noise sensitivity and influences big region.
8. reduced noise engine cabin according to claim 7, which is characterized in that increased in the enging cabin internal temperature
When, it is sequentially increased the opening angle of the rotary shutter of the first area, the second area and the third region
Degree.
9. reduced noise engine cabin according to claim 7, which is characterized in that reduced in the enging cabin internal temperature
When, successively increase the opening angle of the rotary shutter of the small third region, the second area and the first area
Degree.
10. a kind of excavator, which is characterized in that it includes the described in any item reduced noise engine cabins of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910567209.9A CN110306620A (en) | 2019-06-27 | 2019-06-27 | Reduced noise engine cabin and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910567209.9A CN110306620A (en) | 2019-06-27 | 2019-06-27 | Reduced noise engine cabin and excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110306620A true CN110306620A (en) | 2019-10-08 |
Family
ID=68077394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910567209.9A Pending CN110306620A (en) | 2019-06-27 | 2019-06-27 | Reduced noise engine cabin and excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110306620A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089016A (en) * | 2020-03-20 | 2020-05-01 | 山东赛马力动力科技有限公司 | Noise reduction structure of container unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0068410A1 (en) * | 1981-06-26 | 1983-01-05 | Nissan Motor Co., Ltd. | Noise reduction device of automotive vehicle |
| KR970059472A (en) * | 1996-01-26 | 1997-08-12 | 김정국 | Automatic opening and closing ventilation in engine room |
| CN102830732A (en) * | 2012-09-21 | 2012-12-19 | 三一重机有限公司 | Temperature control system, temperature control method and device and electronic control unit |
| CN202970893U (en) * | 2012-12-05 | 2013-06-05 | 浙江幸福机电科技有限公司 | Noise reduction chamber of generator set |
| CN210421229U (en) * | 2019-06-27 | 2020-04-28 | 三一重机有限公司 | Noise reduction engine compartment and excavator |
-
2019
- 2019-06-27 CN CN201910567209.9A patent/CN110306620A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0068410A1 (en) * | 1981-06-26 | 1983-01-05 | Nissan Motor Co., Ltd. | Noise reduction device of automotive vehicle |
| KR970059472A (en) * | 1996-01-26 | 1997-08-12 | 김정국 | Automatic opening and closing ventilation in engine room |
| CN102830732A (en) * | 2012-09-21 | 2012-12-19 | 三一重机有限公司 | Temperature control system, temperature control method and device and electronic control unit |
| CN202970893U (en) * | 2012-12-05 | 2013-06-05 | 浙江幸福机电科技有限公司 | Noise reduction chamber of generator set |
| CN210421229U (en) * | 2019-06-27 | 2020-04-28 | 三一重机有限公司 | Noise reduction engine compartment and excavator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089016A (en) * | 2020-03-20 | 2020-05-01 | 山东赛马力动力科技有限公司 | Noise reduction structure of container unit |
| CN111089016B (en) * | 2020-03-20 | 2020-07-10 | 山东赛马力动力科技有限公司 | Noise reduction structure of container unit |
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