CN112406448B - Induction type power suspension for new energy automobile - Google Patents
Induction type power suspension for new energy automobile Download PDFInfo
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- CN112406448B CN112406448B CN202011312836.7A CN202011312836A CN112406448B CN 112406448 B CN112406448 B CN 112406448B CN 202011312836 A CN202011312836 A CN 202011312836A CN 112406448 B CN112406448 B CN 112406448B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/06—Characteristics of dampers, e.g. mechanical dampers
- B60G17/08—Characteristics of fluid dampers
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Abstract
The invention relates to an induction type power suspension for a new energy automobile, which comprises: hydraulic system and drive circuit: the hydraulic system comprises a compression mechanism, a power impeller, a damping mechanism and a damping oil circulation system, the hydraulic pushing mechanism directly senses the actuation conditions of suspensions at different positions through a mechanical impeller mechanism, the electric push rod is directly pushed through an amplifying circuit to realize damping control, the compression conditions of the suspensions directly realize the damping control through a simple analog circuit, the adaptability is higher, the adaptation to vehicle types with different weights can be realized only by adjusting the working condition of the amplifying circuit, the structure is simple, and the response is sensitive.
Description
Technical Field
The invention relates to an induction type power suspension for a new energy automobile, and belongs to the field of new energy automobile suspensions.
Background
Compared with a traditional fuel vehicle, the new energy vehicle has the advantages that the battery is generally arranged in the middle of the chassis of the vehicle or at the bottom of the engine compartment, the center of gravity is lower than that of the traditional fuel vehicle, the stability of the vehicle can be improved, the moment from the center of gravity to the suspension is shortened, and the suspension is required to be more sensitive; in addition, the dead weight of the electric automobile is larger than that of a fuel vehicle at the same stage due to the existence of the battery pack, and the suspension needs to be redesigned due to the adjustment of the gravity center;
in a traditional fuel vehicle suspension, particularly an adaptive energy feedback type suspension, an ECU is generally adopted to control the damping output of a shock absorber by sensing the acceleration of a vehicle body in each direction; however, because the new energy automobile belongs to a new product, no good ECU data is matched with the new energy automobile aiming at the characteristics of short moment and center-of-gravity deviation, and in addition, because of larger self-weight and lower center-of-gravity, faster suspension reaction is required, and the ECU-controlled energy feedback system of the existing gasoline automobile can obviously not meet the requirement;
and the new energy automobile is fast to be developed, and the data updating speed of the existing energy feedback suspension can not be met obviously.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the technical problem that an ECU (electronic control unit) controlled energy feedback suspension cannot meet the damping requirements of different types of new energy vehicles in the prior art is solved, and an induction type power suspension for the new energy vehicles is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an induction type power suspension for a new energy automobile comprises:
a hydraulic system:
the hydraulic system comprises a compression mechanism, the compression mechanism comprises a pressure piston sleeve, a pressure piston is connected in the pressure piston sleeve in a floating mode, one side of the pressure piston is connected with a pressure relief rod, the pressure relief rod is of a hollow structure and penetrates through the pressure piston, a liquid inlet pipe and an air inlet pipe are respectively arranged at the closed end of the pressure piston sleeve, and air pressure is pumped into the air inlet pipe through a pressure pump; the compression mechanism is arranged on a suspension of a vehicle, when the suspension is compressed, the pressure relief rod pushes the piston to move towards the closed end of the pressure piston sleeve, and damping oil is discharged through the pressure relief rod while air in the pressure piston sleeve is compressed;
the hydraulic system comprises a power impeller, the power impeller comprises an impeller shell, a centrifugal impeller is rotatably connected in the impeller shell, one end of the impeller shell is provided with an input pipe positioned on the annular tangent line of the centrifugal impeller, and one side of the impeller shell, which is in mirror symmetry relative to the input pipe, is provided with an output pipe; the input pipe is connected to the pressure relief rod through a pressure relief valve B, and the centrifugal impeller can be driven to rotate when damping oil in the pressure relief rod is discharged;
the hydraulic system comprises a damping mechanism, the damping mechanism comprises a damping piston sleeve, the damping piston sleeve comprises an equal-diameter section and a variable-diameter section, a main piston is connected in the equal-diameter section of the damping piston sleeve in a floating mode, the end part of the main piston is connected with a main push rod, and the main push rod can push the main piston to move in the damping piston sleeve; the reducing section of the damping piston sleeve is of a gradually expanding structure, the tail end of the damping piston sleeve is provided with an electric push rod, the telescopic end of the electric push rod is connected with a damping piston, and a damping gap is formed between the damping piston and the inner wall of the reducing section; the damping piston sleeve is connected to a vehicle suspension, when the suspension is compressed, damping oil is pushed by the main push rod to flow through the damping gap and is discharged through a damping oil discharge pipe positioned at the tail end of the damping piston sleeve, and when the suspension is released, the damping oil is supplemented through a damping oil input pipe arranged at the tail end of the damping piston sleeve;
the hydraulic system also comprises a damping oil circulating system, wherein the damping oil circulating system comprises a transfer pump, a pressure pot and an oil storage pot, damping liquid discharged by a compression mechanism through a power impeller flows back into the oil storage pot through a one-way valve B, the damping oil in the oil storage pot is stored into the pressure pot at a certain pressure through the transfer pump, the pressure pot comprises a plurality of damping oil release ports, a damping oil release port A of one of the pressure pots is connected into a liquid inlet pipe of the compression mechanism through the one-way valve A, when the compression mechanism is released, the compression mechanism is filled with the damping oil, a damping oil release port B of one of the pressure pots is connected onto a damping oil input pipe of the damping mechanism through the one-way valve C, and when the damping mechanism is released, the damping mechanism is filled with the damping oil; the damping oil discharge pipe of the damping mechanism is connected to the oil storage pot through a pressure relief valve A for preventing the damping oil from being naturally discharged;
and the driving circuit comprises an amplifying circuit which supplies power through a main power supply, wherein a rotating shaft of the centrifugal impeller is synchronously connected with a generator, the output end of the generator is connected to the low current input end of the amplifying circuit, the high current output end of the amplifying circuit is connected to the power input end of the electric push rod, and the generator synchronously drives the electric push rod to work through the amplifying circuit and provides different magnetic resistance forces.
As a further improvement of the invention, a support ring is arranged on the inner wall of the damping piston sleeve at the end corresponding to the constant-diameter section, and a return spring is arranged between the support ring and the main piston.
As a further improvement of the invention, a sliding hole is arranged in the damping piston, the telescopic end of the electric push rod is connected in the sliding hole in a sliding way, and a protection spring is arranged between the end part of the electric push rod and the tail end of the sliding hole.
As a further improvement of the damping piston sleeve, the tail end of the reducing section of the damping piston sleeve is provided with a hollowed-out supporting plate, and an annular nylon buffer block is fixed on the supporting plate.
As a further improvement of the invention, the tail end of the damping piston sleeve is integrally connected with a fixed sleeve, the electric push rod is fixed in the fixed sleeve, a sealing hole is arranged between the fixed sleeve and the tail end of the damping piston sleeve, the telescopic end of the electric push rod is connected with the inner wall of the sealing hole in a sliding sealing manner, an oil discharge gap is arranged between the top end of the electric push rod and the top end of the fixed sleeve, the side wall of the fixed sleeve corresponding to the oil discharge gap is connected with an auxiliary oil discharge pipe, and the auxiliary oil discharge pipe is connected to the oil storage pot through a one-way valve D.
As a further improvement of the invention, the electric push rod is an electromagnetic linear push rod and comprises an electromagnetic coil and a sliding rod, wherein a permanent magnet is arranged in the sliding rod, and the sliding rod is pushed to move by the current magnetic effect of the electromagnetic coil.
As a further improvement of the invention, the outer wall of the pressure piston sleeve is also connected with a group of supporting sleeves in a sliding and sealing manner, the tail ends of the supporting sleeves are of a closed structure, the end parts of the pressure relief rods are fixed to the closed ends of the supporting sleeves through threads, and return springs are arranged between the tail ends of the supporting sleeves and the tail ends of the pressure piston sleeves.
As a further improvement of the invention, the top end of the pressure piston is connected with a flow guide block, the flow guide block is of a hollow structure and is communicated with the pressure relief rod, a plurality of openings are annularly arranged on the side wall of the flow guide block in an array mode, and damping oil enters the flow guide block through the openings; be connected with a protection module on the top of pressure piston cover, protection module includes that a set of floats to be connected in the floating ring of pressure piston cover inner wall, at a feed liquor cover of pressure piston cover's top fixedly connected with, is connected through the rubber tube between feed liquor cover and the floating ring.
As a further improvement of the invention, the closed end of the support sleeve is provided with a connecting pipe, a pressure relief valve B is embedded in the connecting pipe, the connecting pipe is communicated with the pressure relief rod, and the connecting pipe is connected with a liquid inlet pipe of the impeller shell through a flange.
As a further improvement of the invention, the air inlet pipe is connected with an oil-gas separation valve through a three-way pipe, the oil-gas separation valve is connected with the three-way pipe through a one-way valve F, and an oil liquid recovery end of the oil-gas separation is connected to the oil storage pot.
The invention has the beneficial effects that:
1. the hydraulic push mechanism directly senses the actuation conditions of the suspensions at different positions through the mechanical impeller mechanism, the electric push rod is directly pushed through the amplifying circuit to realize damping control, the compression conditions of the suspensions are directly controlled through the simple analog circuit, the adaptability is higher, the adaptation to vehicle types with different weights can be realized only by adjusting the working condition of the amplifying circuit, the structure is simple, and the response is sensitive.
2. The invention can realize the filling of different amounts of damping oil and the supplement of different amounts of pressure to the compression mechanism through the hydraulic system, and when in need, the filled damping oil can quickly compress the air in the compression mechanism, thereby improving the supporting performance of the suspension during high-speed impact.
3. The return spring can ensure the resilience of the main piston and prevent the main piston from colliding with the damping piston.
4. The sliding hole structure can prevent the leakage of damping oil and improve the stability.
5. The nylon buffer block can prevent the damping piston and the electric push rod from bottoming when impacting fast, and has good protection effect.
6. The coaxial integrative fixed of electric putter, the reduction of the electric putter's that the shake that can reduce when the vehicle went leads to axiality prevents electric putter's flexible end distortion, and the oil extraction clearance can be retrieved the damping oil of leakage department simultaneously, prevents that the viscidity of damping oil from polluting electric putter, leads to electric putter's flexibility to reduce.
7. Compared with a rack type push rod, the electromagnetic push rod is simple in structure, good in impact resistance and high in redundancy.
8. The supporting sleeve can assist in improving the strength of the compression mechanism, reduce the load of the pressure relief rod, and meanwhile, the supporting of the suspension is realized through the assistance of the spring of the supporting sleeve.
9. The flow guide block can ensure the uniform pressure when the damping oil is decompressed through the pressure relief rod, and the local flow resistance caused by the overlarge diameter span of the pressure relief rod relative to the diameter span of the pressure piston is reduced; the protection module can realize the buffering to damping fluid, air through the inflation of rubber tube when compression mechanism receives to strike great.
10. The connecting pipe can reduce the shear stress of the pressure relief rod at the connecting position, and the structural stability is improved.
11. The oil-gas separation valve can realize the filtration of air discharged when the support performance of the compression mechanism is adjusted, and prevent damping oil mist in the air from entering the external environment and causing pollution.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of a compression mechanism;
FIG. 2 is a schematic view of a damping mechanism;
FIG. 3 is a schematic view of a damping oil circulation system;
fig. 4 is a schematic diagram of a driving circuit.
In the figure: 1. a pressure piston sleeve; 2. a pressure relief lever; 3. a pressure piston; 4. a support sleeve; 5. a flow guide block; 6. an opening; 7. a floating ring; 8. liquid inlet sleeve; 9. a rubber tube; 10. a liquid inlet pipe; 11. an air inlet pipe; 12. a return spring; 13. a connecting pipe; 14. an impeller housing; 15. an input tube; 16. an output pipe; 17. a centrifugal impeller; 18. a damping piston sleeve; 19. a constant diameter section; 20. a diameter-changing section; 21. a support ring; 22. a primary piston; 23. a main push rod; 24. a return spring; 25. a damping piston; 26. a protection spring; 27. a nylon buffer block; 28. a support plate; 29. a damping oil discharge pipe; 30. a damping oil input pipe; 31. fixing a sleeve; 32. sealing the hole; 33. an electromagnetic coil; 34. a slide bar; 35. a magnetic pole; 36. an oil discharge gap; 37. an auxiliary oil discharge pipe; 38. and a pressure relief valve B.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
An induction type power suspension for a new energy automobile comprises:
a hydraulic system:
as shown in fig. 1, the hydraulic system includes a compression mechanism, the compression mechanism includes a pressure piston sleeve, a pressure piston is connected in the pressure piston sleeve in a floating manner, one side of the pressure piston is connected with a pressure relief rod, the pressure relief rod is of a hollow structure and penetrates through the pressure piston, a liquid inlet pipe and an air inlet pipe are respectively arranged on the closed end of the pressure piston sleeve, and the air inlet pipe pumps air pressure through a pressure pump; the compression mechanism is arranged on a suspension of a vehicle, when the suspension is compressed, the pressure relief rod pushes the piston to move towards the closed end of the pressure piston sleeve, and damping oil is discharged through the pressure relief rod while air in the pressure piston sleeve is compressed;
as shown in fig. 1, the hydraulic system includes a power impeller, the power impeller includes an impeller housing, a centrifugal impeller is rotatably connected in the impeller housing, wherein an input pipe is disposed at one end of the impeller housing on an annular tangent line of the centrifugal impeller, and an output pipe is disposed at one side of the impeller housing that is mirror-symmetrical with respect to the input pipe; the input pipe is connected to the pressure relief rod through a pressure relief valve B, and the centrifugal impeller can be driven to rotate when damping oil in the pressure relief rod is discharged;
as shown in fig. 2, the hydraulic system includes a damping mechanism, the damping mechanism includes a damping piston sleeve, the damping piston sleeve includes an equal-diameter section and a variable-diameter section, a main piston is connected in the equal-diameter section of the damping piston sleeve in a floating manner, the end of the main piston is connected with a main push rod, and the main push rod can push the main piston to move in the damping piston sleeve; the reducing section of the damping piston sleeve is of a gradually expanding structure, the tail end of the damping piston sleeve is provided with an electric push rod, the telescopic end of the electric push rod is connected with a damping piston, and a damping gap is formed between the damping piston and the inner wall of the reducing section; the damping piston sleeve is connected to a vehicle suspension, when the suspension is compressed, damping oil is pushed by the main push rod to flow through the damping gap and is discharged through a damping oil discharge pipe positioned at the tail end of the damping piston sleeve, and when the suspension is released, the damping oil is supplemented through a damping oil input pipe arranged at the tail end of the damping piston sleeve;
as shown in fig. 3, the hydraulic system further includes a damping oil circulation system, which includes a transfer pump, a pressure pot and an oil storage pot, wherein the damping fluid discharged from the compression mechanism through the power impeller flows back into the oil storage pot through a one-way valve B, the damping oil in the oil storage pot is stored into the pressure pot at a certain pressure through the transfer pump, the pressure pot includes a plurality of damping oil release ports, the damping oil release port a of one of the pressure pots is connected to a liquid inlet pipe of the compression mechanism through the one-way valve a, when the compression mechanism is released, the damping oil is filled into the compression mechanism, the damping oil release port B of one of the pressure pots is connected to a damping oil inlet pipe of the damping mechanism through the one-way valve C, when the damping mechanism is released, the damping oil is filled into the damping mechanism; the damping oil discharge pipe of the damping mechanism is connected to the oil storage pot through a pressure relief valve for preventing the damping oil from being naturally discharged;
referring to fig. 4, the driving circuit includes an amplifying circuit for supplying power through a main power supply, wherein a generator is synchronously connected to a rotating shaft of the centrifugal impeller, an output end of the generator is connected to a low current input end of the amplifying circuit, a high current output end of the amplifying circuit is connected to a power input end of the electric push rod, and the generator synchronously drives the electric push rod to work through the amplifying circuit and provides different magnetic resistance forces.
Furthermore, a support ring is arranged at the tail end, corresponding to the equal-diameter section, of the inner wall of the damping piston sleeve, and a return spring is arranged between the support ring and the main piston.
Furthermore, a sliding hole is formed in the damping piston, the telescopic end of the electric push rod is connected into the sliding hole in a sliding mode, and a protection spring is arranged between the end portion of the electric push rod and the tail end of the sliding hole.
Furthermore, a hollowed-out supporting plate is arranged at the tail end of the reducing section of the damping piston sleeve, and an annular nylon buffer block is fixed on the supporting plate.
Further, the terminal an organic whole of damping piston cover is connected with a fixed cover, electric putter is fixed in fixed cover, is provided with a sealed hole between the end of fixed cover and damping piston cover, and sliding seal is connected between electric putter's flexible end and the sealed downthehole wall, is provided with the oil extraction clearance between electric putter top and the fixed cover top, is connected with an auxiliary oil extraction pipe on the fixed lateral wall that corresponds the oil extraction clearance, and auxiliary oil extraction pipe is connected to the oil storage kettle through check valve D.
Furthermore, the electric push rod is an electromagnetic linear push rod and comprises an electromagnetic coil and a sliding rod, a permanent magnet is arranged in the sliding rod, and the sliding rod is pushed to move through the current magnetic effect of the electromagnetic coil.
Furthermore, the outer wall of the pressure piston sleeve is also connected with a group of supporting sleeves in a sliding and sealing manner, the tail ends of the supporting sleeves are of a closed structure, the end parts of the pressure relief rods are fixed to the closed ends of the supporting sleeves through threads, and return springs are arranged between the tail ends of the supporting sleeves and the tail ends of the pressure piston sleeve.
Furthermore, the top end of the pressure piston is connected with a flow guide block, the flow guide block is of a hollow structure and is communicated with the pressure relief rod, a plurality of openings are annularly arranged on the side wall of the flow guide block in an array mode, and damping oil enters the flow guide block through the openings; be connected with a protection module on the top of pressure piston cover, protection module includes that a set of floats to be connected in the floating ring of pressure piston cover inner wall, at a feed liquor cover of pressure piston cover's top fixedly connected with, is connected through the rubber tube between feed liquor cover and the floating ring.
Further, the blind end of supporting the cover is provided with a connecting pipe, the embedded relief valve B of connecting pipe, connecting pipe and pressure release pole intercommunication, the connecting pipe passes through the flange and is connected with the feed liquor union coupling of impeller shell.
Furthermore, an oil-gas separation valve is connected to the gas inlet pipe through a three-way pipe, the oil-gas separation valve is connected with the three-way pipe through a one-way valve F, and an oil recovery end of oil-gas separation is connected to the oil storage pot.
When the suspension is compressed, the compression mechanism and the damping mechanism are synchronously compressed;
in a default state, the compression mechanism is charged with air pressure through the pressure pump, so that the compressor is formed into an air spring, meanwhile, the pressure is supplied to the pressure pot through the transfer pump, so that the damping oil has certain pressure in the pressure pot, the one-way valve A is opened, the damping oil is supplemented to the compression mechanism through the pressure pot, and when the damping oil is supplemented, the volume of air in the pressure piston sleeve can be changed, and the linearity and the supporting performance of the air spring are changed; meanwhile, the check valve C is opened through the pressure kettle to supplement damping oil for the damping mechanism, an air inlet pipe on the compression mechanism is connected with an oil-gas separation valve through a three-way pipe, and the oil-gas separation valve separates the pressure reversely discharged from the air inlet pipe and then separates the damping oil to return to the oil storage kettle;
in a default state, the damping mechanism supplements damping oil for the damping mechanism through a damping oil input pipe by using the pressure of the pressure kettle;
when the vehicle is in a standstill, the damping oil can directly enter the power impeller to influence the accuracy of the damping system; damping oil enters the power impeller through the pressure relief rod, and the impeller of the power impeller rotates; the power impeller provides rotary power for the generator in the driving circuit, so that the generator generates current, and the electric push rod in the damping mechanism is pushed to float through the amplifying circuit; when the electric push rod of the damping mechanism floats, the damping piston moves, the gap between the damping piston and the inner wall of the reducing section of the damping piston head can be changed, the electric push rod works through the current, the damping piston moves towards the top end of the damping piston sleeve, and the gap between the damping piston and the inner wall of the reducing section is reduced; when the damping mechanism is compressed, the main push rod can push the main piston to move, damping oil in the damping piston head can flow through a gap between the damping piston and the reducer section in the moving process of the main piston to generate damping, finally the damping oil is extruded out through a damping oil discharge pipe, the extruded damping oil flows back into the oil storage pot through the pressure relief valve A again, and the pressure relief valve A can prevent the damping oil in the damping mechanism from directly flowing back into the oil storage pot; the damping oil returning to the oil storage pot can generate pressure again through the transfer pump and is stored in the pressure pot under certain pressure.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides an induction type power suspension for new energy automobile, characterized by includes:
a hydraulic system:
the hydraulic system comprises a compression mechanism, the compression mechanism comprises a pressure piston sleeve, a pressure piston is connected in the pressure piston sleeve in a floating mode, one side of the pressure piston is connected with a pressure relief rod, the pressure relief rod is of a hollow structure and penetrates through the pressure piston, a liquid inlet pipe and an air inlet pipe are respectively arranged at the closed end of the pressure piston sleeve, and air pressure is pumped into the air inlet pipe through a pressure pump; the compression mechanism is arranged on a suspension of a vehicle, when the suspension is compressed, the pressure relief rod pushes the piston to move towards the closed end of the pressure piston sleeve, and damping oil is discharged through the pressure relief rod while air in the pressure piston sleeve is compressed;
the hydraulic system comprises a power impeller, the power impeller comprises an impeller shell, a centrifugal impeller is rotatably connected in the impeller shell, one end of the impeller shell is provided with an input pipe positioned on the annular tangent line of the centrifugal impeller, and one side of the impeller shell, which is in mirror symmetry relative to the input pipe, is provided with an output pipe; the input pipe is connected to the pressure relief rod through a pressure relief valve B, and the centrifugal impeller can be driven to rotate when damping oil in the pressure relief rod is discharged; the hydraulic system comprises a damping mechanism, the damping mechanism comprises a damping piston sleeve, the damping piston sleeve comprises an equal-diameter section and a variable-diameter section, a main piston is connected in the equal-diameter section of the damping piston sleeve in a floating mode, the end part of the main piston is connected with a main push rod, and the main push rod can push the main piston to move in the damping piston sleeve; the reducing section of the damping piston sleeve is of a gradually expanding structure, the tail end of the damping piston sleeve is provided with an electric push rod, the telescopic end of the electric push rod is connected with a damping piston, and a damping gap is formed between the damping piston and the inner wall of the reducing section; the damping piston sleeve is connected to a vehicle suspension, when the suspension is compressed, damping oil is pushed by the main push rod to flow through the damping gap and is discharged through a damping oil discharge pipe positioned at the tail end of the damping piston sleeve, and when the suspension is released, the damping oil is supplemented through a damping oil input pipe arranged at the tail end of the damping piston sleeve;
the hydraulic system also comprises a damping oil circulating system, wherein the damping oil circulating system comprises a transfer pump, a pressure pot and an oil storage pot, damping liquid discharged by a compression mechanism through a power impeller flows back into the oil storage pot through a one-way valve B, the damping oil in the oil storage pot is stored into the pressure pot at a certain pressure through the transfer pump, the pressure pot comprises a plurality of damping oil release ports, a damping oil release port A of one of the pressure pots is connected into a liquid inlet pipe of the compression mechanism through the one-way valve A, when the compression mechanism is released, the compression mechanism is filled with the damping oil, a damping oil release port B of one of the pressure pots is connected onto a damping oil input pipe of the damping mechanism through the one-way valve C, and when the damping mechanism is released, the damping mechanism is filled with the damping oil; the damping oil discharge pipe of the damping mechanism is connected to the oil storage pot through a pressure relief valve A for preventing the damping oil from being naturally discharged;
and the driving circuit comprises an amplifying circuit which supplies power through a main power supply, wherein a rotating shaft of the centrifugal impeller is synchronously connected with a generator, the output end of the generator is connected to the low current input end of the amplifying circuit, the high current output end of the amplifying circuit is connected to the power input end of the electric push rod, and the generator synchronously drives the electric push rod to work through the amplifying circuit and provides different magnetic resistance forces.
2. The induction type power suspension for the new energy automobile as claimed in claim 1, characterized in that: wherein, the inner wall of the damping piston sleeve is provided with a support ring corresponding to the tail end of the equal-diameter section, and a return spring is arranged between the support ring and the main piston.
3. The induction type power suspension for the new energy automobile as claimed in claim 1, characterized in that: a sliding hole is formed in the damping piston, the telescopic end of the electric push rod is connected into the sliding hole in a sliding mode, and a protection spring is arranged between the end portion of the electric push rod and the tail end of the sliding hole.
4. The induction type power suspension for the new energy automobile as claimed in claim 3, characterized in that: the tail end of the reducing section of the damping piston sleeve is provided with a hollowed-out supporting plate, and an annular nylon buffer block is fixed on the supporting plate.
5. The induction type power suspension for the new energy automobile as claimed in claim 1, characterized in that: the terminal an organic whole of damping piston cover is connected with a fixed cover, electric putter is fixed in fixed cover, is provided with a sealed hole between the end of fixed cover and damping piston cover, and sliding seal is connected between electric putter's flexible end and the sealed hole inner wall, is provided with the oil extraction clearance between electric putter top and the fixed cover top, is connected with an auxiliary oil extraction pipe on the fixed cover corresponds the lateral wall in oil extraction clearance, and auxiliary oil extraction pipe is connected to the oil storage kettle through check valve D.
6. The induction type power suspension for the new energy automobile as claimed in claim 1, characterized in that: the electric push rod is an electromagnetic linear push rod and comprises an electromagnetic coil and a sliding rod, wherein a permanent magnet is arranged in the sliding rod, and the sliding rod is pushed to move through the current magnetic effect of the electromagnetic coil.
7. The induction type power suspension for the new energy automobile as claimed in claim 1, characterized in that: the outer wall of the pressure piston sleeve is further connected with a group of supporting sleeves in a sliding and sealing mode, the tail ends of the supporting sleeves are of a closed structure, the end portions of the pressure relief rods are fixed to the closed ends of the supporting sleeves through threads, and return springs are arranged between the tail ends of the supporting sleeves and the tail ends of the pressure piston sleeves.
8. The induction type power suspension for the new energy automobile as claimed in claim 1, characterized in that: the top end of the pressure piston is connected with a flow guide block, the flow guide block is of a hollow structure and is communicated with the pressure relief rod, a plurality of openings are annularly arranged on the side wall of the flow guide block in an array mode, and damping oil enters the flow guide block through the openings; be connected with a protection module on the top of pressure piston cover, protection module includes that a set of floats to be connected in the floating ring of pressure piston cover inner wall, at a feed liquor cover of pressure piston cover's top fixedly connected with, is connected through the rubber tube between feed liquor cover and the floating ring.
9. The induction type power suspension for the new energy automobile as claimed in claim 7, characterized in that: the blind end of supporting the cover is provided with a connecting pipe, the embedded relief valve B of connecting pipe, connecting pipe and pressure release pole intercommunication, the connecting pipe passes through the flange and is connected with the input tube of impeller shell.
10. The induction type power suspension for the new energy automobile as claimed in claim 1, characterized in that: the oil-gas separation device is characterized in that the gas inlet pipe is connected with an oil-gas separation valve through a three-way pipe, the oil-gas separation valve is connected with the three-way pipe through a one-way valve F, and an oil recovery end of the oil-gas separation is connected to the oil storage pot.
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| CN202011312836.7A CN112406448B (en) | 2020-11-20 | 2020-11-20 | Induction type power suspension for new energy automobile |
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| CN202011312836.7A CN112406448B (en) | 2020-11-20 | 2020-11-20 | Induction type power suspension for new energy automobile |
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| CN112406448B true CN112406448B (en) | 2021-08-24 |
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| EP3825156A1 (en) * | 2013-04-23 | 2021-05-26 | ClearMotion, Inc. | Active suspension with structural actuator |
| CN104015582B (en) * | 2014-06-18 | 2016-04-13 | 吉林大学 | The automobile energy regenerative active suspension system of a kind of stiffness variable and damping |
| CN205663813U (en) * | 2016-06-02 | 2016-10-26 | 皖西学院 | Utilize fluid pressure type damping device of atmospheric pressure and magnetic damping principle |
| CN106286682B (en) * | 2016-08-08 | 2018-02-27 | 江苏大学 | A kind of adjustable mixing suspension actuator of single-cylinder type damping |
| CN106671726B (en) * | 2016-12-20 | 2019-05-31 | 江苏大学 | A kind of vane type feed energy suspension |
| CN109899434A (en) * | 2017-12-07 | 2019-06-18 | 郑州宇通客车股份有限公司 | A kind of damper and the suspension system using the damper, vehicle |
| KR101938530B1 (en) * | 2018-09-12 | 2019-01-14 | 장진영 | Electronic suspension for vehicles |
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2020
- 2020-11-20 CN CN202011312836.7A patent/CN112406448B/en active Active
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