CN204572293U - For the multi-functional resonant cavity of automobile air inlet system, automobile air inlet system and automobile - Google Patents
For the multi-functional resonant cavity of automobile air inlet system, automobile air inlet system and automobile Download PDFInfo
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- CN204572293U CN204572293U CN201520026820.8U CN201520026820U CN204572293U CN 204572293 U CN204572293 U CN 204572293U CN 201520026820 U CN201520026820 U CN 201520026820U CN 204572293 U CN204572293 U CN 204572293U
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Abstract
The utility model relates to for the multi-functional resonant cavity of automobile air inlet system, automobile air inlet system and automobile.Described multi-functional resonant cavity is provided with the suction port and relief opening that are connected with gas exhaust piping with the air inlet pipeline in described automobile air inlet system respectively, and in described multi-functional resonant cavity, be provided with volume adjustment mechanism, change in described multi-functional resonant cavity for the volume that air-flow flows through in order to adjust according to the throughput size flowing to described relief opening from described suction port.Adopt the utility model the swept volume of resonant cavity can be regulated in real time to be in high rotating speed, air volume and motor to be in duty requirements under the slow-speed of revolution, stingy flow to adapt to motor respectively according to different operating mode, thus for the requirement of the aspect such as NVH and engine power performance under different operating mode can be mated better.
Description
Technical field
The utility model relates to automobile technical field, particularly relates to a kind of multi-functional resonant cavity for automobile air inlet system and is provided with automobile air inlet system and the automobile of this multi-functional resonant cavity.
Background technique
In vehicle traveling process, the vibrations noise produced when motor runs and pneumatic noise etc. will be delivered in external environment by suction port.In order to reduce the noise at suction port place, usually need in gas handling system, to set up many silencer elements, such as wavelength tube, expansion chamber resonant cavity etc.Meanwhile, automobile air inlet system is also obvious for the performance impact of motor, and wherein a comparatively significant influence factor is exactly the pressure loss, it represent intake resistance, and the pressure loss is excessive will affect air inflow, thus reduces the power performance of motor.Therefore, automobile air inlet system has important effect for car load NVH performance and power performance.
A larger problem is there is, the equilibrium problem of Here it is tuning element volume and the pressure loss in the design of existing automobile air inlet system.In general, tuning volume is larger, then its NVH performance is better, but often causes the volume requirement that cannot meet resonant cavity due to the restricted problem of the layout of front deck, directly cause the reduction of NVH performance thus, therefore how making full use of resonant cavity is important in inhibiting.In addition, the problem also existed is the active balance between the pressure loss and power performance.For high rotating speed air volume operating mode, expanding pipe diameter can effectively increase air inflow and reduce the pressure loss as far as possible, but major diameter suction tude is but easy to the problem causing air inlet deficiency for the stingy flow rate working conditions of the slow-speed of revolution.When throughput is less, flow area is excessive, means flow velocity step-down, easily causes airflow reflux to be thus unfavorable for ensureing air inflow, thus have influence on power performance when IC Intake Valve Closes.
In addition, because resonant cavity of the prior art all immobilizes and function singleness, but in fact motor its noise properties under different rotating speeds is not identical yet, therefore can not make full use of these existing resonant cavitys and give play to its usefulness.In addition, traditional airflow line diameter is all compromise selection diameter dimension, is difficult to effectively to realize to mate the NVH performance requirement under different motor height rotating speeds, large extraction flow, can mates again the power performance requirement of motor simultaneously.
Model utility content
In view of this, the utility model object is to provide a kind of multi-functional resonant cavity for automobile air inlet system, automobile air inlet system and automobile, to solve the above-mentioned problems in the prior art and otherwise problem.
In order to realize above-mentioned model utility object, the utility model have employed following technological scheme:
A kind of multi-functional resonant cavity for automobile air inlet system, it is provided with the suction port and relief opening that are connected with gas exhaust piping with the air inlet pipeline in described automobile air inlet system respectively, be provided with volume adjustment mechanism in described multi-functional resonant cavity, change in described multi-functional resonant cavity for the volume that air-flow flows through in order to adjust according to the throughput size flowing to described relief opening from described suction port.
Above-mentioned in the multi-functional resonant cavity of automobile air inlet system, alternatively, described volume adjustment mechanism comprises:
Isolating part, it is arranged in described multi-functional resonant cavity, in order to described multi-functional resonant cavity is isolated at least two separate chamber that volume is not identical each other;
First controlling component, it is arranged on described isolating part one end near described suction port, in order to close or to open air-flow to flow to described relief opening via at least one separate chamber described separate chamber circulation path from described suction port; And
Second controlling component, it is arranged on described isolating part one end near described relief opening, in order to close or to open air-flow to flow to described relief opening via at least one separate chamber described circulation path from described suction port.
For in the multi-functional resonant cavity of automobile air inlet system, alternatively, described isolating part is configured to tabular above-mentioned, and which is provided with through hole in order to through by described isolating part the adjacent described separate chamber of isolating.
Above-mentioned in the multi-functional resonant cavity of automobile air inlet system, alternatively, described isolating part is configured to described multi-functional resonant cavity to be isolated into the first chamber and the second chamber, and the volume of wherein said first chamber is greater than the volume of described second chamber.
Above-mentioned in the multi-functional resonant cavity of automobile air inlet system, alternatively, the diameter of described first chamber is set to 1.2 ~ 1.5 times of the diameter of described suction port.
Above-mentioned in the multi-functional resonant cavity of automobile air inlet system, alternatively, the diameter of described second chamber is set to 0.5 ~ 0.8 times of the diameter of described suction port.
Above-mentioned in the multi-functional resonant cavity of automobile air inlet system, alternatively, described first controlling component and/or described second controlling component are valve.
Above-mentioned in the multi-functional resonant cavity of automobile air inlet system, alternatively, described valve is solenoid valve, and its be configured to when motor car engine rotating speed lower than close during predefined value air-flow from described suction port via described separate chamber the maximum separate chamber of capacity flow to the circulation path of described relief opening, close the circulation path flowing to described relief opening from described suction port via the separate chamber that capacity described separate chamber is minimum when the rotating speed of motor car engine is not less than described predefined value.
A kind of automobile air inlet system, described automobile air inlet system is provided with as the multi-functional resonant cavity for automobile air inlet system according to any one of above.
A kind of automobile, described automobile is provided with the multi-functional resonant cavity for automobile air inlet system as described in above any one, or described automobile is provided with automobile air inlet system as previously discussed.
The beneficial effects of the utility model are: adopt this to be used for the multi-functional resonant cavity of automobile air inlet system, not only the swept volume of resonant cavity can be regulated in real time to be in high rotating speed to adapt to motor respectively according to operating mode, air volume and motor are in the slow-speed of revolution, duty requirements under stingy flow, thus for the requirement of the aspect such as NVH and engine power performance under different operating mode can be mated better, and it also to have structure simple, cost is low, volume adjustment fast, be easy to the advantages such as manufacture and assembling, therefore be very suitable for the utility model being applied on various types of automobile, to promote to reduce energy consumption, the realization of the target such as energy-conserving and environment-protective and protection of the environment.
Accompanying drawing explanation
Below with reference to drawings and Examples, the technical solution of the utility model is described in further detail.
Fig. 1 is the perspective view of the multi-functional resonant cavity embodiment for automobile air inlet system of the present utility model.
Fig. 2 is sectional structure schematic diagram embodiment illustrated in fig. 1.
Embodiment
It should be noted that, the essential structure of the multi-functional resonant cavity for automobile air inlet system of the present utility model, automobile air inlet system and automobile, feature and advantage will be illustrated by way of example below, but all descriptions are only used to be described, and they should be interpreted as any restriction is formed to the utility model.In addition, described in each embodiment mentioned by this paper or implicit any single technical characteristics, or be shown or implicit any single technical characteristics in the drawings and in which, still can between these technical characteristicss (or its equivalent), proceed combination in any or delete, thus obtain other embodiments of the present utility model more that may directly not mention in this article.
Incorporated by reference to reference to figure 1 and Fig. 2, be schematically show the essential structure situation of the multi-functional resonant cavity embodiment for automobile air inlet system of the present utility model by these two accompanying drawings, below just illustrate the utility model by this example.
As depicted in figs. 1 and 2, in the multi-functional resonant cavity example that this provides, the two ends of this multi-functional resonant cavity are respectively arranged with suction port 1 and relief opening 7, form air-flow path to be communicated to respectively on air inlet pipeline in automobile air inlet system and gas exhaust piping by them.In addition, the first controlling component 2, isolating part 3 and the second controlling component 5 is had in the internal placement of this multi-functional resonant cavity, by arranging these parts to realize the volume adjustment function for this multi-functional resonant cavity.
Specifically, isolating part 3 is arranged on the inside of multi-functional resonant cavity, this multi-functional resonant cavity is separated into two separate chamber by this by it, i.e. the first chamber 6 and the second chamber 4.It is to be noted, in this embodiment, above-mentioned two cavity volume be isolated out are not identical, namely as shown in Figure 2, wherein the volume of the first chamber 6 is the volumes being greater than the second chamber 4, this is due to the resonant cavity by adopting the mode arranging the chamber that multiple volume does not wait to realize variable volume in the utility model, adapts to the noise properties under different operating mode better, thus effectively can improve NVH performance and the power performance of motor with this.
Under the optional situation of one, the diameter of above-mentioned first chamber 6 can be set to 1.2 ~ 1.5 times of the diameter of suction port 1.In addition, under some applications, the diameter of the second chamber 4 can be set to alternatively 0.5 ~ 0.8 times of the diameter of suction port 1.Certainly, the utility model also allows needs according to embody rule and completely by the appropriate amount being sized to any other separately of above-mentioned first chamber 6, second chamber 4.
In addition, as depicted in figs. 1 and 2, be that isolating part 3 is configured to tabular alternatively in the above-described embodiments, with this, multi-functional resonant cavity be separated into two separate chamber.In addition, also on this isolating part 3, several through holes 8 are offered alternatively, to utilize through hole 8 not only through first chamber 6 and the second chamber 4 can bear comparatively barometric pressure to avoid this isolating part 3, and the weight of isolating part 3 can be alleviated thus, avoid owing to arranging isolating part 3 and cause the weight of multi-functional resonant cavity to enlarge markedly.
The first controlling component 2 and the second controlling component 5 is also provided with in multi-functional resonant cavity, wherein the first controlling component 2 is arranged in isolating part 3 one end near suction port 1, to close or to open by this first controlling component 2 air-flow to flow to relief opening 7 via the first chamber 6 or the second chamber 4 circulation path from suction port 1 when applying and needing, second controlling component 5 is arranged in isolating part 3 one end near relief opening 7 simultaneously, to close or to open by this second controlling component 5 air-flow to flow to relief opening 7 via the first chamber 6 or the second chamber 4 circulation path from suction port 1 when applying and needing.
As an example, the first above-mentioned controlling component 2 and/or the second controlling component 5 can adopt valve or other suitable means to realize its function separately.
More specifically for example, first controlling component 2 and/or the second controlling component 5 can select the solenoid valve being easy to control, carry out closed air-flow circulation path by first chamber 6 lower than time predefined value (as 2400rpm) by these solenoid valves with the rotating speed of convenient motor car engine, and carry out the circulation path of closed air-flow by the second chamber 4 by these solenoid valves again when the rotating speed of motor car engine is not less than this predefined value.
That is, when engine speed does not reach its predefined value, throughput is now relatively little, therefore can only discharge from relief opening 7 via the second chamber 4 that volume is less, what multi-functional resonant cavity of the present utility model was now formed is the resonant cavity that a volume is relatively little, so just can increase charge air flow speed, air-flow can continue to intake valve end motion when IC Intake Valve Closes due to gaseous mass inertia, thus considerably increase the gas pressure at inlet valve port place, just the pressure accumulated due to airspeed inertia can be effectively utilized when intake valve is opened next time, thus effectively can increase air inflow.
Once engine speed reaches its predefined value, because throughput is relatively large, therefore can be cooperated closedown second chamber 4 by the first controlling component 2 and the second controlling component 5, and open air-flow and enter from suction port 1 flow channel that the first larger chamber 6 of volume flows to relief opening 7, this multi-functional resonant cavity defines the relatively large resonant cavity of a volume thus.So, namely multi-functional resonant cavity of the present utility model can provide the function of variable volume according to different operating mode, and the resonant cavity of this adjustable volume can not only adapt to the noise properties under different operating mode better and improve NVH performance, and harmonic wave air inlet principle can be utilized effectively to improve the power performance of wool(l)y-type engine simultaneously.
It is to be noted, multi-functional resonant cavity for automobile air inlet system of the present utility model is not limited to the above embodiment provided, such as, can be realized the function of the volume adjustment mechanism realized by aforesaid first controlling component 2, isolating part 3 and the second controlling component 5 by other component of choice arrangement.Again such as, the first more controlling componenies 2, isolating part 3 and the second controlling component 5 can be set multi-functional resonant cavity is isolated into more separate chamber, to realize the variable volume of this multi-functional resonant cavity under different operating mode.For another example, it is also conceivable to isolating part 3 to be arranged to non-platy structure, the geometrical shape of such as some rules or irregular curvilinear structures etc.
In sum, because the multi-functional resonant cavity for automobile air inlet system of the present utility model has aforesaid plurality of advantages and technical advantage, therefore its assembling is applicable to very much to be applied on various types of automobile air inlet system, and so multi-functional resonant cavity or automobile air inlet system are assembled on automobile, can significantly improve the aspect performances such as the NVH of motor, and especially effectively can promote the power performance of motor under slow-speed of revolution operating mode.
Be enumerated above specific embodiment and illustrate the multi-functional resonant cavity for automobile air inlet system of the present utility model, automobile air inlet system and automobile in detail, this a few example is only for principle of the present utility model and mode of execution thereof are described, but not to restriction of the present utility model, when not departing from spirit and scope of the present utility model, those of ordinary skill in the art can also make various distortion and improvement.Therefore, all equivalent technological schemes all should belong to category of the present utility model also by every claim of the present utility model is limited.
Claims (10)
1. the multi-functional resonant cavity for automobile air inlet system, it is provided with the suction port and relief opening that are connected with gas exhaust piping with the air inlet pipeline in described automobile air inlet system respectively, it is characterized in that, be provided with volume adjustment mechanism in described multi-functional resonant cavity, change in described multi-functional resonant cavity for the volume that air-flow flows through in order to adjust according to the throughput size flowing to described relief opening from described suction port.
2., according to claim 1 for the multi-functional resonant cavity of automobile air inlet system, it is characterized in that, described volume adjustment mechanism comprises:
Isolating part, it is arranged in described multi-functional resonant cavity, in order to described multi-functional resonant cavity is isolated at least two separate chamber that volume is not identical each other;
First controlling component, it is arranged on described isolating part one end near described suction port, in order to close or to open air-flow to flow to described relief opening via at least one separate chamber described separate chamber circulation path from described suction port; And
Second controlling component, it is arranged on described isolating part one end near described relief opening, in order to close or to open air-flow to flow to described relief opening via at least one separate chamber described circulation path from described suction port.
3., according to claim 2 for the multi-functional resonant cavity of automobile air inlet system, it is characterized in that, described isolating part is configured to tabular, and which is provided with through hole in order to through by described isolating part the adjacent described separate chamber of isolating.
4. according to claim 2 for the multi-functional resonant cavity of automobile air inlet system, it is characterized in that, described isolating part is configured to described multi-functional resonant cavity to be isolated into the first chamber and the second chamber, and the volume of wherein said first chamber is greater than the volume of described second chamber.
5. according to claim 4 for the multi-functional resonant cavity of automobile air inlet system, it is characterized in that, the diameter of described first chamber is set to 1.2 ~ 1.5 times of the diameter of described suction port.
6. according to claim 4 for the multi-functional resonant cavity of automobile air inlet system, it is characterized in that, the diameter of described second chamber is set to 0.5 ~ 0.8 times of the diameter of described suction port.
7. according to any one of claim 2 to 6 for the multi-functional resonant cavity of automobile air inlet system, it is characterized in that, described first controlling component and/or described second controlling component are valve.
8. according to claim 7 for the multi-functional resonant cavity of automobile air inlet system, it is characterized in that, described valve is solenoid valve, and its be configured to when motor car engine rotating speed lower than close during predefined value air-flow from described suction port via described separate chamber the maximum separate chamber of capacity flow to the circulation path of described relief opening, close the circulation path flowing to described relief opening from described suction port via the separate chamber that capacity described separate chamber is minimum when the rotating speed of motor car engine is not less than described predefined value.
9. an automobile air inlet system, is characterized in that, described automobile air inlet system is provided with the multi-functional resonant cavity for automobile air inlet system according to any one of claim 1-8.
10. an automobile, is characterized in that, described automobile is provided with the multi-functional resonant cavity for automobile air inlet system according to any one of claim 1-8, or described automobile is provided with automobile air inlet system as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520026820.8U CN204572293U (en) | 2015-01-15 | 2015-01-15 | For the multi-functional resonant cavity of automobile air inlet system, automobile air inlet system and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520026820.8U CN204572293U (en) | 2015-01-15 | 2015-01-15 | For the multi-functional resonant cavity of automobile air inlet system, automobile air inlet system and automobile |
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| Publication Number | Publication Date |
|---|---|
| CN204572293U true CN204572293U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520026820.8U Active CN204572293U (en) | 2015-01-15 | 2015-01-15 | For the multi-functional resonant cavity of automobile air inlet system, automobile air inlet system and automobile |
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| Country | Link |
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| CN (1) | CN204572293U (en) |
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