CN210421229U - Noise reduction engine compartment and excavator - Google Patents
Noise reduction engine compartment and excavator Download PDFInfo
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- CN210421229U CN210421229U CN201920989189.XU CN201920989189U CN210421229U CN 210421229 U CN210421229 U CN 210421229U CN 201920989189 U CN201920989189 U CN 201920989189U CN 210421229 U CN210421229 U CN 210421229U
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Abstract
The utility model provides a noise reduction engine compartment and an excavator, wherein the noise reduction engine compartment comprises a plurality of rotary shutters, a plurality of temperature sensors and a control device; the plurality of rotary shutters are arranged at preset positions of an engine compartment to form ventilation openings for heat dissipation of the engine compartment; the temperature sensors are arranged in heat dissipation areas corresponding to the rotary shutters in the engine compartment, and temperature information of the heat dissipation areas corresponding to the rotary shutters is acquired in real time and transmitted to the control device; the control device is used for being connected with the plurality of rotary shutters, generating rotary control signals according to the temperature information and sending the rotary control signals to the corresponding rotary shutters to adjust the opening and closing angles of the rotary shutters. The utility model discloses an engine compartment of making an uproar falls under the radiating prerequisite of not influencing, can adjust the amortization frequency channel through the angle of adjustment shutter to noise reduction greatly reduces outdoor noise pollution.
Description
Technical Field
The utility model relates to an engineering truck makes the field, particularly, relates to an engine compartment and excavator of making an uproar fall.
Background
With the continuous development of engineering construction industry, the field of engineering vehicle manufacturing is still growing, and various high-power engineering vehicles are put into the construction industry.
The control of the radiated noise outside the engineering vehicle is still a problem which is difficult to solve at present. The common noise reduction method is to strengthen the sealing form, add sound absorption materials, add silencing blind pipes and the like. However, the engine compartment adopting the reinforced sealing mode has great influence on heat dissipation, heat is easy to accumulate in the engine compartment, so that the service life of the engine is influenced, and the silencing frequency band aiming at the silencing blind pipe and the sound-absorbing material are narrow and difficult to adjust.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model provides an engine compartment and excavator of making an uproar fall to under the radiating prerequisite of not influencing, can adjust the amortization frequency channel through the angle of adjustment shutter, thereby noise reduction, the great reduction is to outdoor noise pollution.
In order to achieve the above object, the utility model adopts the following technical scheme:
a noise reduction engine compartment comprising a plurality of rotary shutters, a plurality of temperature sensors and a control device;
the plurality of rotary shutters are arranged at preset positions of an engine compartment to form ventilation openings for heat dissipation of the engine compartment;
the temperature sensors are arranged in heat dissipation areas corresponding to the rotary shutters in the engine compartment, and temperature information of the heat dissipation areas corresponding to the rotary shutters is acquired in real time and transmitted to the control device;
the control device is used for being connected with the plurality of rotary shutters, generating rotary control signals according to the temperature information and sending the rotary control signals to the corresponding rotary shutters to adjust the opening and closing angles of the rotary shutters.
Preferably, the noise reduction engine compartment further comprises an angle feedback device;
the angle feedback device is connected to the rotary shutter and the control device and used for acquiring the opening and closing angle of the rotary shutter and feeding back the opening and closing angle to the control device.
Preferably, the noise reduction engine compartment further comprises a noise detection device;
the noise detection device is arranged at a preset position outside the engine compartment, acquires noise information of the engine compartment in real time and transmits the noise information to the control device.
Preferably, in the noise reduction engine compartment, the rotary louver comprises a plurality of rotatable louvers and a driving device;
the driving device is connected to the control device and used for driving the plurality of rotatable vanes to rotate to adjust the angle of the plurality of rotatable vanes after receiving the rotation control signal.
Preferably, in the noise reduction engine room, one side of the rotatable window blade facing the inside of the engine room is provided with a noise reduction damping coating.
Preferably, in the noise reduction engine compartment, the interior of the engine compartment is divided into a first region, a second region, and a third region according to the sensitivity of temperature and noise, and at least one of the rotary louvers is provided as a ventilation opening in each of the first region, the second region, and the third region.
Preferably, in the noise reduction engine compartment, the first region is a region where temperature sensitivity is greatly affected and noise sensitivity is low, the second region is a region where temperature and noise sensitivity is greatly affected, and the third region is a region where temperature sensitivity is low and noise sensitivity is greatly affected.
Preferably, in the noise reduction engine compartment, when the temperature inside the engine compartment increases, the opening angles of the rotary louvers of the first region, the second region, and the third region are sequentially increased.
Preferably, in the noise reduction engine compartment, when the temperature inside the engine compartment decreases, the opening angles of the rotary louvers of the third region, the second region, and the first region are sequentially decreased.
The utility model also provides an excavator, it is including the engine compartment of making an uproar falls.
The utility model provides a noise reduction engine compartment, which comprises a plurality of rotary shutters, a plurality of temperature sensors and a control device; the plurality of rotary shutters are arranged at preset positions of an engine compartment to form ventilation openings for heat dissipation of the engine compartment; the temperature sensors are arranged in heat dissipation areas corresponding to the rotary shutters in the engine compartment, and temperature information of the heat dissipation areas corresponding to the rotary shutters is acquired in real time and transmitted to the control device; the control device is used for being connected with the plurality of rotary shutters, generating rotary control signals according to the temperature information and sending the rotary control signals to the corresponding rotary shutters to adjust the opening and closing angles of the rotary shutters. The utility model discloses an engine compartment of making an uproar falls under the radiating prerequisite of not influencing, can adjust the amortization frequency channel through the angle of adjustment shutter to noise reduction greatly reduces outdoor noise pollution.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to illustrate the technical solution of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope of the present invention. Like components are numbered similarly in the various figures.
Fig. 1 is a schematic structural diagram of a noise reduction engine compartment provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a noise reduction engine compartment according to embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of a noise reduction engine compartment according to embodiment 3 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Hereinafter, the terms "including", "having", and their derivatives, which may be used in various embodiments of the present invention, are only intended to indicate specific features, numbers, steps, operations, elements, components, or combinations of the foregoing, and should not be construed as first excluding the existence of, or adding to, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.
Example 1
Fig. 1 is a schematic structural diagram of a noise reduction engine compartment provided in embodiment 1 of the present invention.
The noise reduction nacelle 100 includes a plurality of rotary shutters 110, a plurality of temperature sensors 120, and a control device 130;
the embodiment of the utility model provides an in, this engine compartment 100 of making an uproar falls is applicable to various powerful engineering vehicles, for example is applied to engineering vehicles such as excavator, large-scale delivery machine, bull-dozer, large-scale crane and road roller, carries out high-power output during operation at engineering vehicles, can reduce the noise of its function in the lowering temperature, reduces the pollution of ambient noise.
The embodiment of the utility model provides an in, this engine compartment 100 of making an uproar falls is including a plurality of rotary shutter 110, this rotary shutter 110 has rotatable louver structure, through providing external drive, can change the angle that opens and shuts of louver, for example this rotary shutter 110 can drive through electric motor, provide rotatory power for the louver through electric motor, this electric motor connection controlling means 130, the pivoted angle is carried out to the rotation control signal of receiving controlling means 130, make rotary shutter 110 can rotate according to predetermineeing the angle and open and shut. Among the plurality of rotary shutters 110 of the noise reduction engine compartment 100, there are rotary shutters 110 serving as air inlets and rotary shutters 110 serving as air outlets, and the positions of the rotary shutters 110 of the air inlets and the positions of the rotary shutters 110 of the air outlets are opposite to each other, so that air flow can enter the engine compartment from the air inlets, and the air flow goes out from the air outlets to take away heat inside the engine compartment, thereby achieving the effect of cooling.
The plurality of rotary shutters 110 are arranged at preset positions of the engine compartment to form ventilation openings for heat dissipation of the engine compartment;
the embodiment of the utility model provides an in, this rotary blind 110 can be detachable setting on the preset position in engine compartment, and the user can select the rotary blind 110 of the same model to replace when rotary blind 110 breaks down to when the engine breaks down, the user also can unpack apart the rotary blind 110 of trouble relevant position by oneself and carry out looking over and confirming of trouble. Wherein, the outer frame of the rotary blind 110 may be circular, rectangular or square, and is disposed at a predetermined position on the engine compartment, in relation to the outer shape of the engine compartment, so as to obtain the intake air amount and the exhaust air amount greatly.
In the embodiment of the present invention, the rotary blind 110 includes a plurality of rotatable blades 111 and a driving device 112, the driving device 112 is used for electrically connecting the control device 130, receives the rotation control signal from the control device 130, and provides a plurality of rotating force for the rotatable blades 111 to adjust the angle. Wherein the greater the number of the plurality of rotatable vanes 111 in the rotatable shutter 110, the smaller the vane size, the more finely controlled the temperature and noise. When there are many rotatable louvers 111, a plurality of driving devices 112 may be arranged at intervals of a predetermined number to provide a rotational force, and the rotatable louvers 111 may be divided into regions, and different driving devices 112 may be arranged in different regions, so as to achieve the purpose of fine control of temperature and noise. The rotatable vanes 111 may be installed in a direction horizontal to the ground, and the air ports may be directed upward so that the hot air rises to form an air flow to remove heat. Meanwhile, the rotatable louver 111 may be installed in a direction perpendicular to the ground or at an arbitrary angle with respect to the ground so as to take cool air from a designated direction or transfer heat to a designated position.
The embodiment of the utility model provides an in, rotatable louver 111 is provided with the damping coating of making an uproar of falling to the inside one side of engine compartment. The damping coating can be prepared by adding a proper amount of filler and auxiliary materials into polymer resin, can be coated on the surfaces of various metal plate-shaped structures to form a noise reduction damping coating, has the functions of vibration reduction and noise reduction, and has good high-temperature resistance because the rotatable window vane 111 is arranged on the air outlet. The coating can be directly sprayed on the surface of the structure, so the construction is convenient, and particularly in a shutter structure with a complex structure, the coating can be repeatedly coated after a period of time so as to ensure the noise reduction performance of the shutter structure.
The plurality of temperature sensors 120 are disposed in heat dissipation areas corresponding to the plurality of rotary shutters 110 in the engine compartment, and acquire temperature information of the heat dissipation areas corresponding to the rotary shutters 110 in real time and transmit the temperature information to the control device 130;
the embodiment of the utility model provides an in, can also be provided with a plurality of temperature sensor 120 inside the engine compartment, this temperature sensor 120 sets up in the corresponding heat dissipation region of gas outlet or air inlet, for example can directly set up on the region that generates heat of engine, perhaps sets up near rotatory shutter 110, acquires the temperature information in the heat dissipation region of rotatory shutter 110 in real time to transmit to controlling means 130 with rotatory control signal's mode. The temperature sensor 120 may be a thermosensitive temperature sensor 120, an infrared sensor, or the like.
The control device 130 is configured to connect to a plurality of the rotary shutters 110, generate a rotary control signal according to the temperature information, and send the rotary control signal to the corresponding rotary shutter 110 to adjust the opening and closing angle of the rotary shutter.
The embodiment of the utility model provides an in, this engine compartment 100 of making an uproar still is provided with controlling means 130, and this controlling means 130 is connected with a plurality of rotatory shutters 110 and corresponding temperature sensor 120, according to the angle that opens and shuts of the corresponding shutter of temperature sensor 120's real-time information adjustment. The control device 130 may also be connected to a work panel for operating the engineering vehicle, where the work panel includes a display screen and an instruction button, and a user may view the temperature of each region where the engine compartment internal temperature sensor 120 is located through the work panel and issue an instruction to control the rotary blind 110 of each region through the work panel, so as to reduce the engine compartment internal temperature and noise.
The embodiment of the utility model provides an in, this controlling means 130 can be according to opening and shutting to suitable angle of temperature information generation rotation control signal control rotation shutter 110, make the inside temperature that keeps at the invariant in the engine compartment to reduce the pollution of the noise of engine work to external environment.
Specifically, the first region, which is a region where the influence of temperature sensitivity is large and the influence of noise is small, the second region, which is a region where the influence of temperature and noise sensitivity is large, and the third region, which is a region where the influence of temperature sensitivity is small and the influence of noise sensitivity is large, may be previously divided according to the sensitivity of the inside of the engine compartment according to temperature and noise, and at least two rotary louvers 110 may be provided as ventilation openings in the first region, the second region, and the third region. The engine compartment may include a plurality of first regions, a plurality of second regions, and a plurality of third regions.
In an embodiment of the present invention, when the temperature inside the engine compartment rises, the opening angle of the rotary louver 110 increases in the first region, the second region, and the third region in order. That is, when the temperature rises, the opening angle of the rotary louver 110 may be increased by adjusting the rotary louver 110 in a region where the influence of the temperature sensitivity is large and the noise sensitivity is small. When the opening angle of the rotary louver 110 of the first zone is maximized, the opening angle of the rotary louver 110 of the second zone is increased, that is, the temperature and noise sensitivity affecting the large zone are adjusted. When the opening angle of the rotary louver 110 of the second region is maximized, the opening angle of the rotary louver 110 of the third region is increased, that is, the adjustment of the region where the temperature sensitivity is small and the noise sensitivity is large is performed. By the mode, the noise influence on the external environment when the engine works can be effectively reduced.
In an embodiment of the present invention, when the temperature inside the engine compartment is decreased, the opening angle of the rotary louver 110 is decreased in the third region, the second region, and the first region. That is, when the temperature is lowered, the opening angle of the rotary louver 110 may be reduced by adjusting the rotary louver 110 in a region where the temperature sensitivity is low and the noise sensitivity is largely affected. When the opening angle of the rotary louver 110 of the third zone is minimized, the opening angle of the rotary louver 110 of the second zone is reduced, that is, the temperature and noise sensitivity affecting the large zone are adjusted. When the opening angle of the rotary louver 110 of the second region is minimized, the opening angle of the rotary louver 110 of the third region is reduced, that is, the region having a large temperature sensitivity and a small noise sensitivity is adjusted.
The embodiment of the utility model provides an in, be not limited to above-mentioned regional restriction that divides, can do not do the restriction here for engine compartment is inside divides more regions according to actual demand.
Example 2
Fig. 2 is a schematic structural diagram of a noise reduction engine compartment according to embodiment 2 of the present invention.
The noise reduction nacelle 200 includes a plurality of rotary shutters 210, a plurality of temperature sensors 220, and a control device 230;
the plurality of rotary shutters 210 are arranged at preset positions of the engine compartment to form ventilation openings for heat dissipation of the engine compartment;
the plurality of temperature sensors 220 are disposed in heat dissipation areas corresponding to the plurality of rotary shutters 210 in the engine compartment, and acquire temperature information of the heat dissipation areas corresponding to the rotary shutters 210 in real time and transmit the temperature information to the control device 230;
the control device 230 is configured to connect to a plurality of the rotary shutters 210, generate a rotary control signal according to the temperature information, and send the rotary control signal to the corresponding rotary shutter 210 to adjust the opening and closing angle thereof.
The angle feedback device 240 is further included, and the angle feedback device 240 is used for connecting the rotary blind 210 and the control device 230, and is used for acquiring the opening and closing angle of the rotary blind 210 and feeding back the opening and closing angle to the control device 230.
The embodiment of the utility model provides an in, can install angle feedback device 240 on the louver of rotatory shutter 210, this angle feedback device 240 can carry out the accurate measurement of the angle that opens and shuts of louver to with the measured angle feedback that opens and shuts to controlling means 230, so that controlling means 230 record and use in the operation that opens and shuts next time, in order to reduce the calculated amount. The rotation angle and the direction of the window blade can be accurately calculated by combining the measured opening and closing angle with the temperature information.
Example 3
Fig. 3 is a schematic structural diagram of a noise reduction engine compartment according to embodiment 3 of the present invention.
The noise reduction nacelle 300 includes a plurality of rotary louvers 310, a plurality of temperature sensors 320, and a control device 330;
the plurality of rotary shutters 310 are arranged at preset positions of the engine compartment to form ventilation openings for heat dissipation of the engine compartment;
the plurality of temperature sensors 320 are disposed in heat dissipation areas corresponding to the plurality of rotary shutters 310 inside the engine compartment, and acquire temperature information of the heat dissipation areas corresponding to the rotary shutters 310 in real time and transmit the temperature information to the control device 330;
the control device 330 is configured to connect to a plurality of the rotary shutters 310, generate a rotary control signal according to the temperature information, and send the rotary control signal to the corresponding rotary shutter 310 to adjust the opening and closing angle of the rotary shutter.
The noise detection device 340 is used for being arranged at a preset position outside the engine compartment, acquiring noise information of the engine compartment in real time and transmitting the noise information to the control device 330.
The embodiment of the utility model provides an in, can also be provided with a plurality of noise detection device 340 in engine compartment 300 of making an uproar falls, this noise detection device 340 sets up the outside at engine compartment to detect the noise that engineering vehicle brought at the during operation, and in time make the adjustment according to this noise. The noise detection device may be installed near the louver corresponding to each heat dissipation area, and obtains noise information and feeds the noise information back to the control device 330. The control device 330 may be set with a preset noise value, and may notify a user when the noise in a certain heat dissipation area exceeds the preset noise value, or may perform an operation of reducing the noise.
The utility model also provides an excavator, its engine compartment of making an uproar falls including above-mentioned embodiment.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A noise reduction engine compartment, comprising a plurality of rotary shutters, a plurality of temperature sensors, and a control device;
the plurality of rotary shutters are arranged at preset positions of an engine compartment to form ventilation openings for heat dissipation of the engine compartment;
the temperature sensors are arranged in heat dissipation areas corresponding to the rotary shutters in the engine compartment, and temperature information of the heat dissipation areas corresponding to the rotary shutters is acquired in real time and transmitted to the control device;
the control device is used for being connected with the plurality of rotary shutters, generating rotary control signals according to the temperature information and sending the rotary control signals to the corresponding rotary shutters to adjust the opening and closing angles of the rotary shutters.
2. The noise reduction nacelle of claim 1, further comprising an angle feedback device;
the angle feedback device is connected to the rotary shutter and the control device and used for acquiring the opening and closing angle of the rotary shutter and feeding back the opening and closing angle to the control device.
3. The noise reducing engine compartment of claim 1, further comprising a noise detection device;
the noise detection device is arranged at a preset position outside the engine compartment, acquires noise information of the engine compartment in real time and transmits the noise information to the control device.
4. The noise reducing engine nacelle of claim 1, wherein the rotary louver includes a plurality of rotatable louvers and a drive device;
the driving device is connected to the control device and used for driving the plurality of rotatable vanes to rotate to adjust the angle of the plurality of rotatable vanes after receiving the rotation control signal.
5. The noise reducing engine nacelle of claim 4, wherein the rotatable louvers are provided with a noise reducing damping coating on a side facing the interior of the engine nacelle.
6. The noise reduction engine compartment according to claim 1, wherein the inside of the engine compartment is divided into a first region, a second region, and a third region according to a temperature and a sensitivity of noise, and at least one of the rotary louvers is provided as a ventilation opening in each of the first region, the second region, and the third region.
7. The noise reduction engine compartment of claim 6, wherein the first region is a region where temperature sensitivity is affected much and where noise sensitivity is affected little, the second region is a region where temperature and noise sensitivity is affected much, and the third region is a region where temperature sensitivity is affected little and where noise sensitivity is affected much.
8. The noise reduction engine compartment of claim 7, wherein the opening angles of the rotary louvers of the first region, the second region, and the third region are sequentially increased as the temperature inside the engine compartment increases.
9. The noise reduction engine compartment of claim 7, wherein the opening angles of the rotary louvers of the third region, the second region, and the first region are sequentially decreased as the temperature inside the engine compartment decreases.
10. An excavator comprising the noise reduction engine compartment of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920989189.XU CN210421229U (en) | 2019-06-27 | 2019-06-27 | Noise reduction engine compartment and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920989189.XU CN210421229U (en) | 2019-06-27 | 2019-06-27 | Noise reduction engine compartment and excavator |
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| CN210421229U true CN210421229U (en) | 2020-04-28 |
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| CN201920989189.XU Active CN210421229U (en) | 2019-06-27 | 2019-06-27 | Noise reduction engine compartment and excavator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306620A (en) * | 2019-06-27 | 2019-10-08 | 三一重机有限公司 | Reduced noise engine cabin and excavator |
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2019
- 2019-06-27 CN CN201920989189.XU patent/CN210421229U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306620A (en) * | 2019-06-27 | 2019-10-08 | 三一重机有限公司 | Reduced noise engine cabin and excavator |
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