CN109882323B - Engine supercharging and air exchanging device capable of recycling compressed air and control method thereof - Google Patents
Engine supercharging and air exchanging device capable of recycling compressed air and control method thereof Download PDFInfo
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- CN109882323B CN109882323B CN201910131344.9A CN201910131344A CN109882323B CN 109882323 B CN109882323 B CN 109882323B CN 201910131344 A CN201910131344 A CN 201910131344A CN 109882323 B CN109882323 B CN 109882323B
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Abstract
The invention discloses an engine supercharging and air exchanging device capable of recycling compressed air, which comprises a shock absorber, a pressure stabilizing tank and a controller, wherein a damping cylinder of the shock absorber is provided with an air inlet valve and an air outlet valve which are communicated in a one-way mode, an outlet of the air outlet valve is connected with a reversing baffle plate, the reversing baffle plate is respectively connected with an inlet of the pressure stabilizing tank and an exhaust pipe of an air blower, so that the outlet of the air outlet valve is communicated with one of the inlet of the pressure stabilizing tank and the exhaust pipe of the air blower, an outlet of the pressure stabilizing tank is connected with an air inlet main pipe of an engine, an air flow sensor is arranged in the air inlet main pipe, an oil injection pipe of the engine is connected with a fuel. The invention also discloses a control method of the engine supercharging and air exchanging device capable of recovering the compressed air. The invention can recover the energy of the compressed air in the shock absorber to reduce the energy consumption of the automobile.
Description
Technical Field
The invention relates to a vehicle power supercharging and air exchanging device and a control method thereof, in particular to an engine supercharging and air exchanging device capable of recycling compressed air and a control method thereof.
Background
When the passenger car runs, the air damper sucks or discharges compressed air by up-and-down bumping of the car body, and the compressed air attenuates vibration energy through the one-way valve. It would be advantageous to save energy in vehicles if the discharged compressed air could be utilized, and it would be desirable to design a device that could utilize the energy of the compressed air.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide an engine supercharging and ventilating device capable of recovering compressed air, so as to recycle the energy of the compressed air discharged from a damper and reduce the energy consumption of a vehicle. Another objective of the present invention is to provide a method for controlling a supercharged air-exchanging device of an engine capable of recycling compressed air, so as to control the supercharged air-exchanging device of the engine capable of recycling compressed air to operate to achieve a better energy-saving effect.
The technical scheme of the invention is as follows: an engine supercharging and air exchanging device capable of recycling compressed air comprises a shock absorber, a pressure stabilizing tank and a controller, wherein the shock absorber comprises a vibration reducing cylinder and a piston arranged in the vibration reducing cylinder, the piston is connected with a piston rod, the piston rod is connected with a vehicle body of a vehicle, the vibration reducing cylinder is connected with a wheel suspension, a guide hole, an air inlet hole and an exhaust hole are formed in the top of the cylinder wall of the vibration reducing cylinder, the piston rod penetrates through the guide hole, an air inlet valve which is communicated from the outside of the vibration reducing cylinder to the inside in a one-way mode is arranged on the air inlet hole, an exhaust valve which is communicated from the inside of the vibration reducing cylinder to the outside in a one-way mode is arranged on the exhaust hole, the outlet of the exhaust valve is connected with a reversing baffle through a pipeline, the reversing baffle is respectively connected with the inlet of the pressure stabilizing tank and an exhaust pipe of an air blower, and the reversing, the outlet of the surge tank is connected with an air inlet main pipe of the engine, an air flow sensor is arranged between a connecting point of an air inlet manifold and the outlet of the surge tank in the air inlet main pipe, an oil injection pipe of the engine is connected with a fuel pump through a throttle valve, and the controller is respectively connected with the throttle valve, the air flow sensor, the reversing baffle plate and the air blower.
Furthermore, an air filter is arranged outside the vibration reduction cylinder, and an air outlet of the air filter is connected with the air inlet valve.
Furthermore, the piston rod and the top of the cylinder wall of the vibration reduction cylinder are sealed through an oil seal.
Furthermore, the top end of the piston rod is provided with an upper hanging ring, and the upper hanging ring is connected with the vehicle body of the vehicle.
Furthermore, the bottom of the cylinder wall of the vibration reduction cylinder is provided with a lower hanging ring, and the lower hanging ring is connected with the wheel suspension.
Furthermore, the tail end of an exhaust pipe of the air blower is provided with a ventilation grid, and the ventilation grid is provided with an air conditioner filter.
A control method of an engine forced air ventilator capable of recovering compressed air, the control method being based on an operation of the engine forced air ventilator capable of recovering compressed air, the controller judging a current engine load, if the current engine load is equal to or greater than a load threshold, the controller turning on the blower, the controller controlling the reversing flapper to conduct the outlet of the exhaust valve with the inlet of the surge tank, the controller controlling the throttle valve according to an engine speed, the current engine load, and a total flow rate of air of the surge tank exhaust and the intake manifold measured by the air flow sensor; and if the current engine load is smaller than a load threshold value, the controller closes the air blower, controls the reversing baffle plate to enable the outlet of the exhaust valve to be communicated with an exhaust pipe of the air blower, and controls the throttle valve according to the engine speed, the current engine load and the air flow of the air inlet main pipe measured by the air flow sensor.
Preferably, the load threshold is 85% to 95% of the maximum load of the engine.
The technical scheme provided by the invention has the advantages that the high-pressure exhaust of the shock absorber is introduced into the air exhaust pipe of the blower or the engine, so that the purposes of supplying air to the space in the vehicle or supercharging the air inlet of the engine are realized, the exhaust energy of the shock absorber is fully utilized, and the effect of saving energy of the vehicle is achieved.
Drawings
Fig. 1 is a schematic view of a supercharged air-exchanging device of an engine capable of recovering compressed air.
Detailed description of the invention
The present invention is further illustrated by the following examples, which are not to be construed as limiting the invention thereto.
Referring to fig. 1, the supercharging and breathing apparatus for an engine capable of recovering compressed air according to an embodiment of the present invention includes a damper, a surge tank 5, and a controller 13. The vibration damper comprises a damping cylinder 18 and a piston 19 arranged in the damping cylinder 18, and the piston 19 is connected with a piston rod 8. The top end of the piston rod 8 is provided with an upper hanging ring 9, and an upper hanging ring 19 is connected with the body of the vehicle. The bottom of the wall of the damping cylinder 18 is provided with a lower hanging ring 21, and the lower hanging ring 21 is connected with a wheel suspension. The top of the cylinder wall of the vibration reduction cylinder 18 is provided with a guide hole, the piston rod 8 penetrates through the guide hole, and the piston rod 8 and the top of the cylinder wall of the vibration reduction cylinder 18 are sealed through an oil seal 7. The top of the wall of the vibration damping cylinder 18 is also provided with an air inlet hole and an air outlet hole, the air inlet hole is provided with an air inlet valve 22 which is communicated from the outside of the vibration damping cylinder 18 to the inside in a one-way mode, and the air outlet hole is provided with an air outlet valve 20 which is communicated from the inside of the vibration damping cylinder 18 to the outside in a one-way mode. The outside of the damping cylinder 18 is provided with an air filter 10, and an air outlet of the air filter is connected with an air inlet valve 22, so that the cleanness of air entering the damping cylinder 18 is ensured. When the vehicle bumps during running, the piston 19 moves up and down in the damping cylinder 18, the space in the damping cylinder 18 above the piston 19 changes along with the up and down movement of the piston 19, air is sucked from the air inlet valve 22 and certain pressurization is carried out, and the air is discharged from the exhaust valve 20.
The outlet of the exhaust valve 20 is connected with a reversing baffle 6 through a pipeline, and the reversing baffle 6 is respectively connected with the inlet of the surge tank 5 and an exhaust pipe of the air blower 16. The reversing baffle 6 is controlled by the controller 13 to lead the outlet of the exhaust valve 20 to be alternatively conducted between the inlet of the pressure stabilizing tank 5 and the exhaust pipe of the blower 16. The end of the exhaust pipe of the blower 16 is provided with a ventilation grid 17, and the ventilation grid 17 is provided with an air-conditioning filter to ensure that the air entering the vehicle space is clean. The outlet of the surge tank 5 is connected to an intake manifold 14 of the engine, and the intake manifold 14 of the engine is connected to an intake manifold 3 and is connected to each cylinder 2 of the engine through the intake manifold 3. An air flow sensor 4 is provided in the intake manifold 14 between the intake manifold connection point and the connection point of the outlet of the surge tank 5. The fuel injection pipe 1 of the engine is connected with a fuel pump 11 through a throttle valve 12. The controller 13 is connected to the throttle valve 12, the air flow sensor 4, and the blower 16, respectively, in addition to the reversing damper 6.
The method of controlling the engine charge air-exchange device capable of recovering compressed air is such that the controller 13 determines the current engine load k and the load thresholdIn this embodiment, the load threshold is (90% + -5%) kmax，kmaxThe engine maximum load.
If the current engine load k is greater than or equal to the load threshold, the shock absorber provides compressed air pressurization, the controller 13 turns on the blower 16, and fresh air is fed into the vehicle body through the ventilation grid, so that the riding comfort is improved. The reversing baffle 6 is in a state from II to I, the outlet of the exhaust valve 20 is communicated with the inlet of the surge tank 5, air in the vibration reduction cylinder 18 passes through the exhaust valve 20 and enters the surge tank 5 through a pipeline, high-pressure air in the surge tank 5 and air from the air inlet manifold 14 are converged, enter the air inlet manifold 3 after being detected by the air flow sensor 4 and finally enter the air cylinder 2 of the engine. The controller 13 determines the instantaneous excess air ratio lambda according to the engine speed n and the load PtThen according to the formula
(wherein L0: the theoretical air-fuel ratio of the gasoline engine is 14.7; the diesel engine is 14.3; q: actual air volume (kg/s); lambda [ alpha ]t: instantaneous excess air factor) to calculate the injection rate and thus control the throttle valve 12.
If the current engine load k is smaller than the load threshold value, the reversing baffle 6 is in a state from I to II, the outlet of the exhaust valve 20 is communicated with the exhaust pipe of the blower 16, the supercharging system does not work, the controller 13 closes the blower 16, and compressed air enters the vehicle body through the ventilation grid 17, so that fresh air in the vehicle body is ensured, and the riding comfort is improved. The controller 13 also calculates the injection rate and thus controls the throttle valve 12 according to the aforementioned formula.
Claims (7)
1. The engine supercharging and air exchanging device capable of recycling compressed air is characterized by comprising a shock absorber, a pressure stabilizing tank and a controller, wherein the shock absorber comprises a vibration reducing cylinder and a piston arranged in the vibration reducing cylinder, the piston is connected with a piston rod, the piston rod is connected with a vehicle body of a vehicle, the vibration reducing cylinder is connected with a wheel suspension, a guide hole, an air inlet hole and an exhaust hole are formed in the top of the cylinder wall of the vibration reducing cylinder, the piston rod penetrates through the guide hole, the air inlet hole is provided with an air inlet valve which is communicated from the outside of the vibration reducing cylinder to the inside in a one-way manner, the exhaust hole is provided with an exhaust valve which is communicated from the inside of the vibration reducing cylinder to the outside in a one-way manner, the outlet of the exhaust valve is connected with a reversing baffle through a pipeline, the reversing baffle is respectively connected with an inlet of the, the air exchange grid is provided with an air conditioner filter, the reversing baffle plate enables the outlet of the exhaust valve to be communicated with one of the inlet of the surge tank and the exhaust pipe of the air blower, the outlet of the surge tank is connected with an air inlet main pipe of the engine, an air flow sensor is arranged between a connecting point of an air inlet manifold and the outlet of the surge tank in the air inlet main pipe, an oil injection pipe of the engine is connected with the fuel pump through a throttle valve, and the controller is respectively connected with the throttle valve, the air flow sensor, the reversing baffle plate and the air blower.
2. The engine supercharging breather apparatus for recovering compressed air according to claim 1, wherein an air cleaner is provided outside the damper cylinder, and an air outlet of the air cleaner is connected to the intake valve.
3. The supercharged air-breathing device of claim 1, wherein the piston rod is sealed with the top of the wall of the vibration damping cylinder by an oil seal.
4. The supercharged air-breathing device of claim 1, wherein the top end of the piston rod is provided with an upper hanging ring, and the upper hanging ring is connected with the body of the vehicle.
5. The supercharged air-changing device of an engine capable of recovering compressed air according to claim 1, characterized in that a lower suspension ring is arranged at the bottom of the cylinder wall of the vibration damping cylinder, and the lower suspension ring is connected with a wheel suspension.
6. A control method of an engine forced air ventilator capable of recovering compressed air, which is based on the operation of the engine forced air ventilator capable of recovering compressed air according to claim 1, wherein the controller judges a current engine load, if the current engine load is equal to or greater than a load threshold, the controller turns on the blower, the controller controls the reversing damper to conduct the outlet of the exhaust valve with the inlet of the surge tank, and the controller controls the throttle valve according to an engine speed, the current engine load, and a total flow rate of air of the surge tank exhaust and the intake manifold measured by the air flow sensor; and if the current engine load is smaller than a load threshold value, the controller closes the air blower, controls the reversing baffle plate to enable the outlet of the exhaust valve to be communicated with an exhaust pipe of the air blower, and controls the throttle valve according to the engine speed, the current engine load and the air flow of the air inlet main pipe measured by the air flow sensor.
7. The method of claim 6, wherein the load threshold is 85-95% of the maximum engine load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910131344.9A CN109882323B (en) | 2019-02-22 | 2019-02-22 | Engine supercharging and air exchanging device capable of recycling compressed air and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910131344.9A CN109882323B (en) | 2019-02-22 | 2019-02-22 | Engine supercharging and air exchanging device capable of recycling compressed air and control method thereof |
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| Publication Number | Publication Date |
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| CN109882323A CN109882323A (en) | 2019-06-14 |
| CN109882323B true CN109882323B (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910131344.9A Active CN109882323B (en) | 2019-02-22 | 2019-02-22 | Engine supercharging and air exchanging device capable of recycling compressed air and control method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112727644A (en) * | 2020-12-28 | 2021-04-30 | 理诚动力传控技术(苏州)有限公司 | Engine supercharging and air exchanging device capable of recycling compressed air and control method thereof |
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| JP2001059488A (en) * | 1999-08-19 | 2001-03-06 | Tochigi Fuji Ind Co Ltd | Fluid machine |
| JP2001099023A (en) * | 1999-09-30 | 2001-04-10 | Suzuki Motor Corp | Intake device for engine |
| CN1867784A (en) * | 2003-09-19 | 2006-11-22 | 坦尼科汽车操作有限公司 | Booster to adapt air spring pressure for FDD shock absorber |
| RO130554A0 (en) * | 2015-05-28 | 2015-09-30 | Adrian Ioan Niculescu | Damper and suspensions with trim-correcting devices |
| CN106438275A (en) * | 2016-11-11 | 2017-02-22 | 湖南大学 | Energy recycling device of vehicle shock absorber |
| CN207245846U (en) * | 2017-03-03 | 2018-04-17 | 莫嘉林 | The adaptive gas handling system of diesel engine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070017763A1 (en) * | 2005-07-19 | 2007-01-25 | Yao-Chang Lin | Energy conversion device including a piston without O-rings |
| CN208010826U (en) * | 2017-12-07 | 2018-10-26 | 郑州宇通客车股份有限公司 | Damper and the suspension system using the damper, vehicle |
| CN208457090U (en) * | 2018-05-21 | 2019-02-01 | 常州协力汽车零部件有限公司 | A kind of air-bag vibration damper |
| CN208457088U (en) * | 2018-06-29 | 2019-02-01 | 东莞市博鼎精密机械制造有限公司 | A kind of novel controllable time delay rebound nitrogen gas spring |
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2019
- 2019-02-22 CN CN201910131344.9A patent/CN109882323B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001059488A (en) * | 1999-08-19 | 2001-03-06 | Tochigi Fuji Ind Co Ltd | Fluid machine |
| JP2001099023A (en) * | 1999-09-30 | 2001-04-10 | Suzuki Motor Corp | Intake device for engine |
| CN1867784A (en) * | 2003-09-19 | 2006-11-22 | 坦尼科汽车操作有限公司 | Booster to adapt air spring pressure for FDD shock absorber |
| RO130554A0 (en) * | 2015-05-28 | 2015-09-30 | Adrian Ioan Niculescu | Damper and suspensions with trim-correcting devices |
| CN106438275A (en) * | 2016-11-11 | 2017-02-22 | 湖南大学 | Energy recycling device of vehicle shock absorber |
| CN207245846U (en) * | 2017-03-03 | 2018-04-17 | 莫嘉林 | The adaptive gas handling system of diesel engine |
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| CN109882323A (en) | 2019-06-14 |
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