CN201065800Y - Air admission rectifying device and automobile air admission system - Google Patents
Air admission rectifying device and automobile air admission system Download PDFInfo
- Publication number
- CN201065800Y CN201065800Y CNU2007201196024U CN200720119602U CN201065800Y CN 201065800 Y CN201065800 Y CN 201065800Y CN U2007201196024 U CNU2007201196024 U CN U2007201196024U CN 200720119602 U CN200720119602 U CN 200720119602U CN 201065800 Y CN201065800 Y CN 201065800Y
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- air
- current plate
- rectifying device
- fitting seat
- air inlet
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Abstract
The utility model discloses an air intake fairing unit and an automobile air intake system. The air intake fairing unit comprises a air duct, a deflector and a sensor mounting base, wherein, the deflector is arranged at the inlet end of the air duct; the sensor mounting base is fixed on the tube wall between the inlet end and the outlet end of the air duct; the central part of the sensor mounting base is hollow and penetrates through the tube wall of the air duct. The automobile air intake system comprises an air intake tube and a deflector, wherein, an air filter and an airflow rate sensor are distributed in the air intake tube in order according to the air intake direction; the deflector is arranged in the air intake tube between the air filter and the airflow rate sensor. The utility model has the advantages that the air is guided into uniform airflow via the deflector before getting to the airflow rate sensor fixed on the sensor mounting base; thereby the measuring precision of the airflow rate sensor is improved.
Description
Technical field
The utility model relates to automotive field, is specifically related to a kind of air inlet rectifying device and automotive air intake system.
Background technique
As shown in Figure 1, existing flow sensing formula electronically controlled petrol injection system, its gas handling system is made up of resonant cavity 10, air-strainer 11 and air inlet pipeline 12 etc., behind the airborne impurity of air process air-strainer 11 eliminations, the air flow sensor 13 of directly flowing through, after metering, flow into intake manifold 14, distinguish in the supply cylinder 15 again.Air-strainer 11 outlet port air-flows easy skewness, particularly export pipeline diameter change or the bent angle phenomenon appears in pipeline, like this air-flow skewness of air flow sensor 13 measured places.And airborne impurity and sediments also can produce injurious effects to air flow sensor 13 output signals.
How many main how much carrying out of electronic control system (ECU) control Engine Injection Mass with the measured air mass flow of air flow sensor, the measurement of air mass flow is the prerequisite that realizes fuel injection quantity control, so the inaccurate of the measuring accuracy of air mass flow will inevitably bring certain influence to the control of fuel injection quantity.Air flow sensor is comparatively responsive to air-distribution situation in the suction tude and airborne impurity, under the uneven situation of air-distribution, the air flow sensor measurement error is bigger, and airborne in addition impurity and sediments also can produce injurious effects to sensor output signal.
The model utility content
First technical problem to be solved in the utility model is in order to overcome above deficiency, to have proposed a kind of air inlet rectifying device, making the air-distribution of air flow sensor measured place even.
Another technical problem to be solved in the utility model is in order to overcome above deficiency, has proposed a kind of automotive air intake system, makes the air-distribution of air flow sensor measured place even.
First technical problem of the present utility model is solved by following technological scheme:
A kind of air inlet rectifying device, comprise breathing pipe, current plate and sensor fitting seat, described current plate is positioned at the inlet end of described breathing pipe, described sensor fitting seat is fixed on the inlet end and the tube wall between the outlet side of described breathing pipe, and described sensor fitting seat middle part is hollow and connects the tube wall of breathing pipe.
Preferably, be distributed with a plurality of circular holes on the described current plate.
Also comprise the fire prevention guard, described fire prevention guard is positioned at the outlet side of described breathing pipe.
Pipe and outer tube in described breathing pipe comprises, described current plate and fire prevention guard lay respectively at the inlet end and the outlet side of described interior pipe, described sensor fitting seat is on the inlet end and the tube wall between the outlet side of described outer tube, and described sensor fitting seat middle part is hollow and connects the tube wall of outer tube and interior pipe.
The thickness of described current plate is 5mm～6mm, and described Circularhole diameter is 4mm～6mm, and adjacent two hole pitch are 0.8mm～1.0mm.
Described sensor fitting seat median plane is at least 45mm to the distance of described current plate.
The center of described sensor fitting seat is at least 20mm to the distance of the outer wall of sensor fitting seat.
Described fire prevention guard is made by wire, the size of mesh 2mm of described fire prevention guard, described wire diameter 0.25mm.
Another technical problem of the present utility model is solved by following technological scheme:
A kind of automotive air intake system, comprise suction tude, direction according to air inlet in described suction tude is placed with air-strainer and air flow sensor successively, also comprises current plate, in the suction tude of described current plate between described air-strainer and air flow sensor.
Preferably, also comprise the fire prevention guard, described fire prevention guard is arranged in the suction tude after the described air flow sensor.
The beneficial effect that the utility model is compared with the prior art is: the current plate of air inlet rectifying device of the present utility model is positioned at the inlet end of breathing pipe, and the sensor fitting seat is fixed on the inlet end and the tube wall between the outlet side of breathing pipe.Air forms through the current plate rectification when arrival is fixed on air flow sensor on the sensor fitting seat will form micro swirl, the air draught that arrives air flow sensor will be more evenly distributed, the measuring accuracy of raising air flow sensor.
Air inlet rectifying device of the present utility model also comprises the fire prevention guard that is positioned at after the sensor fitting seat, and this can prevent the harm that engine flashback causes the air flow sensor that is fixed on the sensor fitting seat.
Automotive air intake of the present utility model system has set up current plate between air-strainer and air flow sensor, this makes air form uniform air flow through the current plate rectification when arriving air flow sensor, improves the measuring accuracy of air flow sensor.Especially, after the current plate rectification, will form micro swirl, these micro swirls will enter cylinder with air inlet and participate in mixed gas formation and participate in burning, certain promotion and improvement effect are played in mixed gas formation and burning, thereby the Economy of motor and emissions quality are improved.
Automotive air intake of the present utility model system has also set up the fire prevention guard in the suction tude after air flow sensor, and this can prevent the harm that engine flashback causes air flow sensor.
Description of drawings
Fig. 1 is the structural representation of existing automotive air intake system;
Fig. 2 is an air inlet rectifying device generalized section of the present utility model;
Fig. 3 is the perspective view of air inlet rectifying device of the present utility model;
Fig. 4 is the generalized section of another embodiment of air inlet rectifying device of the present utility model;
Fig. 5 is the current plate cross-sectional configuration schematic representation of the utility model air inlet rectifying device;
Fig. 6 is the installation requirement schematic representation of the utility model air inlet rectifying device;
Fig. 7 is that the micro swirl of current plate of the present utility model forms schematic representation;
Fig. 8 is the structural representation of automotive air intake of the present utility model system.
Embodiment
As shown in Figure 2, air inlet rectifying device of the present utility model comprises breathing pipe 3, current plate 1 and sensor fitting seat 4, described current plate 1 is positioned at the inlet end of described breathing pipe 3, described sensor fitting seat 4 is fixed on the inlet end and the tube wall between the outlet side of described breathing pipe 3, described sensor fitting seat 4 middle parts are hollow and connect the tube wall of breathing pipe 3, be provided with fire prevention guard 2 in the outlet side of described breathing pipe 3, air flow sensor 13 is equipped with at described sensor fitting seat 4 middle parts.Described sensor fitting seat 4 median planes are at least 45mm to the distance L 3 of described current plate 1.The center of described sensor fitting seat 4 is at least 20mm to distance L 1, the L2 of the outer wall of sensor fitting seat 4.Described fire prevention guard 2 is made the size of mesh 2mm of described fire prevention guard 2, described wire diameter 0.25mm by wire.
As shown in Figure 3, respectively being provided with a triangle flange 5 at described breathing pipe 3 two ends is used for linking to each other with the suction tude at two ends respectively.
As shown in Figure 4, pipe 3 in described breathing pipe 3 also can comprise " and outer tube 3 '; described current plate 1 and fire prevention guard 2 lay respectively at manages 3 in described " inlet end and outlet side, described sensor fitting seat 4 is positioned on the inlet end and the tube wall between the outlet side of described outer tube 3 ', described sensor fitting seat 4 middle parts are hollow and connect outer tube 3 ' and interior pipe 3 " tube wall, air flow sensor 13 is equipped with at described sensor fitting seat 4 middle parts.
As shown in Figure 5, on the described current plate hole be shaped as circle.The thickness 5mm of described current plate, Circularhole diameter are 4mm, and adjacent two hole pitch are 0.8mm.The thickness that another kind of mode of execution is described current plate is 6mm, and Circularhole diameter is 6mm, and adjacent two hole pitch are 1.0mm.The thickness that another kind of mode of execution is described current plate is 5.5mm, and Circularhole diameter is 5mm, and adjacent two hole pitch are 0.9mm.This current plate can reduce turbulence noise.Different current plate Circularhole diameters and circular hole spacing, its noise reduction frequency range is also different with noise reduction, and Circularhole diameter and circular hole spacing are more little, and be good more to the noise reduction of high frequency.
As shown in Figure 6, air inlet rectifying device of the present utility model should make the sensor fitting seat straight up on being installed to automobile the time as far as possible, makes sensor fitting seat and horizontal plane angle at least in ± 45 ° of scopes.Like this, can avoid water to fall into the sensor fitting seat, influence is contained in the measuring accuracy of the air flow sensor in the sensor fitting seat.
The working principle of above-mentioned air inlet rectifying device is as follows: as shown in Figure 7, in the gas handling system of automobile, install air inlet rectifying device of the present utility model additional after, make air before arriving air flow sensor, earlier through current plate 1 rectification.Behind high velocity air process current plate 1, must have a large amount of flow shedding rectifying devices, form the little vortex of countless lift-offs, promptly uniform micro swirl, can make air flow sensor 13 measured places can form more pure, uniform airflow like this, improve the sensor measurement precision.Make that the fuel injection quantity of electronic control system control motor is more accurate.And fire prevention guard 2 can prevent that engine flashback from causing damage to air flow sensor.
As shown in Figure 8, automotive air intake of the present utility model system comprises resonant cavity 10, air-strainer 11, suction tude 12, air flow sensor 13, intake manifold 14, cylinder 15, and described air flow sensor 13 is installed on the sensor fitting seat 4.Resonant cavity 10, air-strainer 11, air flow sensor 13 are arranged in suction tude 12 successively according to the direction of air inlet, and suction tude 12 links to each other with cylinder 15 by intake manifold 14.This automotive air intake system also comprises current plate 1, in the suction tude 12 of described current plate 1 between described air-strainer 11 and air flow sensor 13.This automotive air intake system also comprises fire prevention guard 1, in the suction tude 12 of described fire prevention guard 1 between described air flow sensor 13 and intake manifold 14.
The working principle of above-mentioned automotive air intake system is as follows: after installing current plate additional in the automotive air intake system, the air flow sensor measured place can form more pure, uniform airflow, has improved the sensor measurement precision.Make the fuel injection quantity of electronic control system control motor more accurate.And the fire prevention guard can prevent that engine flashback from causing damage to air flow sensor.Especially, this current plate can also improve the air inlet effect simultaneously, makes burning more abundant, significantly improves the economic performance and the emissions quality of motor.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. air inlet rectifying device is characterized in that:
Comprise breathing pipe (3), current plate (1) and sensor fitting seat (4), described current plate (1) is positioned at the inlet end of described breathing pipe (3), described sensor fitting seat (4) is fixed on the inlet end and the tube wall between the outlet side of described breathing pipe (3), and described sensor fitting seat (4) middle part is hollow and connects the tube wall of breathing pipe (3).
2. air inlet rectifying device according to claim 1 is characterized in that:
Described current plate is distributed with a plurality of circular holes on (1).
3. air inlet rectifying device according to claim 2 is characterized in that:
Also comprise fire prevention guard (2), described fire prevention guard (2) is positioned at the outlet side of described breathing pipe (3).
4. according to the arbitrary described air inlet rectifying device of claim 1 to 3, it is characterized in that:
Described breathing pipe (3) comprises interior pipe (3 ") and outer tube (3 '); described current plate (1) and fire prevention guard (2) lay respectively at described in the inlet end and the outlet side of pipe (3 "), described sensor fitting seat (4) is positioned on the inlet end and the tube wall between the outlet side of described outer tube (3 '), and described sensor fitting seat (4) middle part be hollow and the tube wall of perforation outer tube (3 ') and interior pipe (3 ").
5. according to the arbitrary described air inlet rectifying device of claim 2 to 3, it is characterized in that:
The thickness of described current plate (1) is 5mm～6mm, and described Circularhole diameter is 4mm～6mm, and adjacent two hole pitch are 0.8mm～1.0mm.
6. according to the arbitrary described air inlet rectifying device of claim 1 to 3, it is characterized in that:
Described sensor fitting seat (4) median plane is at least 45mm to the distance of described current plate (1).
7. air inlet rectifying device according to claim 4 is characterized in that: the center of described sensor fitting seat (4) is at least 20mm to the distance of the outer wall of sensor fitting seat (4).
8. air inlet rectifying device according to claim 3 is characterized in that: described fire prevention guard (2) is made by wire, the size of mesh 2mm of described fire prevention guard (2), described wire diameter 0.25mm.
9. automotive air intake system, comprise suction tude (12), direction according to air inlet in described suction tude (12) is placed with air-strainer (11) and air flow sensor (13) successively, it is characterized in that: also comprise current plate (1), described current plate (1) is arranged in the suction tude (12) between described air-strainer (11) and the air flow sensor (13).
10. automotive air intake according to claim 9 system is characterized in that: also comprise fire prevention guard (1), described fire prevention guard (1) is arranged in described air flow sensor (13) suction tude (12) afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201196024U CN201065800Y (en) | 2007-04-16 | 2007-04-16 | Air admission rectifying device and automobile air admission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201196024U CN201065800Y (en) | 2007-04-16 | 2007-04-16 | Air admission rectifying device and automobile air admission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201065800Y true CN201065800Y (en) | 2008-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201196024U Expired - Lifetime CN201065800Y (en) | 2007-04-16 | 2007-04-16 | Air admission rectifying device and automobile air admission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201065800Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454489A (en) * | 2010-10-15 | 2012-05-16 | 北汽福田汽车股份有限公司 | Air rectifying device, and air inlet system for engine |
| CN102713229A (en) * | 2009-11-17 | 2012-10-03 | 马勒国际有限公司 | Intake manifold section and intake system |
| CN103115435A (en) * | 2013-03-18 | 2013-05-22 | 何敬丽 | Water pressure sensor fitting seat used for constant temperature water heater |
| CN105041518A (en) * | 2015-08-25 | 2015-11-11 | 嘉兴市健杰内燃机零件有限公司 | Hole-shaped rectification net |
| CN105358816A (en) * | 2013-07-09 | 2016-02-24 | Nok株式会社 | Sealing device |
| CN110494203A (en) * | 2017-04-12 | 2019-11-22 | 戴姆勒股份公司 | Hollow filter element and filter device for air filtration |
| CN111622871A (en) * | 2020-05-21 | 2020-09-04 | 四川升能泰科技有限公司 | Automobile air inlet gas collecting plate |
-
2007
- 2007-04-16 CN CNU2007201196024U patent/CN201065800Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102713229A (en) * | 2009-11-17 | 2012-10-03 | 马勒国际有限公司 | Intake manifold section and intake system |
| CN102713229B (en) * | 2009-11-17 | 2015-03-04 | 马勒国际有限公司 | Intake manifold section and intake system |
| CN102454489A (en) * | 2010-10-15 | 2012-05-16 | 北汽福田汽车股份有限公司 | Air rectifying device, and air inlet system for engine |
| CN103115435A (en) * | 2013-03-18 | 2013-05-22 | 何敬丽 | Water pressure sensor fitting seat used for constant temperature water heater |
| CN105358816A (en) * | 2013-07-09 | 2016-02-24 | Nok株式会社 | Sealing device |
| CN105041518A (en) * | 2015-08-25 | 2015-11-11 | 嘉兴市健杰内燃机零件有限公司 | Hole-shaped rectification net |
| CN110494203A (en) * | 2017-04-12 | 2019-11-22 | 戴姆勒股份公司 | Hollow filter element and filter device for air filtration |
| CN110494203B (en) * | 2017-04-12 | 2022-06-17 | 戴姆勒卡车股份公司 | Hollow filter element and filter device for air filtration |
| US11400403B2 (en) | 2017-04-12 | 2022-08-02 | Daimler Ag | Hollow filter element and filter device for filtering air |
| CN111622871A (en) * | 2020-05-21 | 2020-09-04 | 四川升能泰科技有限公司 | Automobile air inlet gas collecting plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenzhen BYD Auto Co., Ltd. Assignor: Biyadi Co., Ltd. Contract fulfillment period: 2008.4.25 to 2016.7.11 Contract record no.: 2008440000079 Denomination of utility model: Air admission rectifying device and automobile air admission system Granted publication date: 20080528 License type: General permission Record date: 20080513 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: COMMON LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.4.25 TO 2016.7.11 Name of requester: BIYADI AUTOMOBILE CO., LTD., SHENZHEN CITY Effective date: 20080513 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080528 |