CN109703615A - A kind of double source electric boosting steering system - Google Patents
A kind of double source electric boosting steering system Download PDFInfo
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- CN109703615A CN109703615A CN201711017820.1A CN201711017820A CN109703615A CN 109703615 A CN109703615 A CN 109703615A CN 201711017820 A CN201711017820 A CN 201711017820A CN 109703615 A CN109703615 A CN 109703615A
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- motor
- steering system
- double
- electric boosting
- boosting steering
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- 230000005611 electricity Effects 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 9
- 241000237858 Gastropoda Species 0.000 claims 1
- 230000009977 dual effect Effects 0.000 abstract description 10
- 238000013461 design Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Abstract
The invention discloses a kind of double source electric boosting steering systems, including input shaft, output shaft, motor, control mechanism, driving power, the input axis connection steering wheel for vehicle, the output axis connection wheel, the input shaft, motor connects the output shaft, steering force needed for the wheel is provided, the control mechanism is connect with the motor, to control the motor operation, the driving power is connect with the control mechanism, to power source needed for providing the motor, the driving power is dual power supply, the power of the electric boosting steering system is provided using dual power supply, pass through Redundancy Design, improve the safety of steering system.
Description
Technical field
The present invention relates to servo steering systems, and in particular to a kind of dual power supply electric boosting steering system.
Background technique
Traditional automobile-used servo steering system generally provides power, therefore the safety in order to guarantee vehicle by engine,
It is required that power steering sustainable supply, engine is difficult to realize idle stop, for the road conditions engine one of urban traffic blocking
It is straight in running order, fuel is not only wasted, but also increase exhaust emissions, especially city bus, due to its needs
It enters the station, is outbound, the time of vehicle start-stop is with regard to longer, and the service time of bus is generally longer, and engine is low for a long time
The influence that efficiency bar makees for energy-saving and emission-reduction is very big.
With the development of power-assisted steering technology, application of the electric power steering on vehicle is also increasing, and use is electronic
Machine provides power steering, and the bearing data of vehicle driving is monitored by sensor and various electronic control components, follows speed etc.
The size of state modulator power-assisted guarantees that the safety of vehicle turns to, and existing electric boosting steering system has oil pump, and for public affairs
For handing over the motorbus such as vehicle, since the power steering that it is needed is larger, also require the output torque of motor larger, for a long time
The use junction that will lead to motor and oil pump often the phenomenon that oil leak can occur because sealing bad, the reliability of system
It is lower, the security performance of vehicle is influenced, and since electric boosting steering system compares traditional force aid system electric attachments
It is more, thus likelihood of failure is also just larger, once electric boosting steering system breaks down, it will and lead to traffic accident, endangers
Therefore how machine personal safety further increases and guarantees that the safety of electric boosting steering system is current technical research
The most important thing.
Summary of the invention
To solve the above-mentioned problems, the present invention proposes a kind of double source electric boosting steering system, including input shaft, output
Axis, motor, control mechanism, driving power, the input axis connection steering wheel for vehicle, the output axis connection wheel are described defeated
Enter axis, the motor connection output shaft, steering force needed for the wheel is provided, the control mechanism connect with the motor, uses
To control the motor operation, the driving power is connect with the control mechanism, to power source needed for providing the motor,
The driving power is dual power supply, provides the power of the electric boosting steering system using dual power supply, by Redundancy Design, mentions
The high safety of steering system.
To achieve the above object, the technical scheme is that
A kind of double source electric boosting steering system, including input shaft, output shaft, motor, control mechanism, driving power, institute
Input axis connection steering wheel for vehicle, the output axis connection wheel are stated, the input shaft, motor connect the output shaft, provide
Steering force needed for the wheel, the control mechanism are connect with the motor, to control the motor operation, the driving electricity
Source is connect with the control mechanism, and to power source needed for providing the motor, the driving power is dual power supply.
The driving power includes high voltage power supply and low-tension supply, and the high voltage power supply is vehicle drive power, described low
Voltage source is vehicle-mounted low-tension supply.
The motor be double-winding motor, the double winding of the double-winding motor respectively with the high voltage power supply, low pressure
Power supply connection or the motor are Double-stator motor, and two sets of stators of the Double-stator motor are separately connected the high-voltage electricity
Source, low-tension supply, the motor may be bi-motor, including first motor, the second motor, the first motor, the second electricity
Machine is connect with the high voltage power supply, low-tension supply respectively.
First deceleration mechanism, the motor and first deceleration mechanism are set between the input shaft and the output shaft
Between the second deceleration mechanism is set, further, first slowing-down structure be worm gear, worm structure, second deceleration mechanism
For planetary gear structure, it is preferable that the worm screw is planar double-enveloping worm.
Torque sensor is set at the input shaft, and the torque sensor connects the output shaft and the control machine
Structure.
Compared to existing servo steering system, the present invention has remarkable advantage and beneficial effect, embodies are as follows:
1. using double source electric boosting steering system of the present invention, servo steering system size is greatly reduced, is facilitated whole
The installation of vehicle and further lightweight;
2. the phenomenon that using double source electric boosting steering system of the present invention, cancelling oil pump, avoid oil leak, improves system
The security performance of reliability and vehicle;
3. being further increased using double source electric boosting steering system of the present invention by the design of dual power supply and bi-motor
The safety of steering system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of double source electric boosting steering system of the present invention.
Specific embodiment
Specific implementation method of the invention is as follows:
Application of the electric power steering on vehicle is also increasing, provides power steering using motor, passes through sensing
The bearing data of device and various electronic control components monitoring vehicle driving, follows the size of the state modulators power-assisted such as speed, guarantees
The safety of vehicle turns to, and existing electric boosting steering system has oil pump, for the motorbus such as bus, due to it
The power steering needed is larger, also requires the output torque of motor larger, prolonged use will lead to motor and oil pump
Junction often can be bad and the phenomenon that oil leak occur because sealing, the reliability of system is lower, influences the safety of vehicle
Can, and since electric boosting steering system is more compared to traditional force aid system electric attachments, thus likelihood of failure is also
Larger, to solve the above-mentioned problems, the invention proposes a kind of double source electric boosting steering systems, eliminate oil pump, use electricity
Machine directly provides power steering, avoids the risk of oil leak, while designing dual power supply and dual motors system, passes through setting for redundancy
Meter, has further ensured the reliability and safety of steering system.
The structure and working method of double source electric boosting steering system of the present invention are illustrated with reference to the accompanying drawing:
Fig. 1 is the structural schematic diagram of double source electric boosting steering system of the present invention, the double source electric boosting steering system
Including input shaft 1, output shaft 2, motor 3, control mechanism 4, driving power 5, the input shaft 1 connects steering wheel for vehicle, described
Output shaft 2 connects wheel, and the input shaft 1, motor 3 connect the output shaft 2, power steering needed for providing the wheel, institute
It states control mechanism 4 to connect with the motor 3, be run to control the motor 3, the driving power 5 and the control mechanism 4
Connection, to power source needed for providing the motor 3, the driving power 5 is dual power supply.
The double source electric boosting steering system is applied on new-energy automobile, and the new-energy automobile can be pure electric vehicle
Automobile, or hybrid vehicle, the driving power 5 include high voltage power supply and low-tension supply, and the high voltage power supply is
Vehicle drive power, can be power battery or super capacitor, and the low-tension supply is vehicle-mounted low-tension supply.
The motor 3 be double-winding motor, the double winding of the double-winding motor respectively with the high voltage power supply, low pressure
Power supply connection or the motor 3 are Double-stator motor, and two sets of stators of the Double-stator motor are separately connected the high-voltage electricity
Source, low-tension supply, the motor 3 or bi-motor, including first motor, the second motor, the first motor, the second electricity
Machine is connect with the high voltage power supply, low-tension supply respectively.
First deceleration mechanism 6 is set between the input shaft 1 and the output shaft 2, and the motor 3 slows down with described first
Second deceleration mechanism 7 is set between mechanism 6, and further, first slowing-down structure 6 is worm gear, worm structure, and described second subtracts
Fast mechanism 7 is planetary gear structure, it is preferable that the worm screw is planar double-enveloping worm.
Torque sensor 8 is set at the input shaft 1, and the torque sensor 8 connects the output shaft 1 and the control
Mechanism 4.
When vehicle has steering demand, driver makes the input shaft 1 form certain rotation by rotating steering wheel, so that
Certain torque value is generated between the input shaft 1 and first deceleration mechanism 6, the torque sensor 8 detects described
Torque numerical value between input shaft 1 and first deceleration mechanism 6, and the torque numerical value is sent to the control mechanism 4, institute
It states control mechanism 4 and analyzes torque numerical value and real-time speed, show that control strategy, Xiang Suoshu motor 3 send work order, the electricity
Machine 3 drives the output shaft 2 to rotate after second deceleration mechanism 7, the first deceleration mechanism 6, provides the output shaft 2
Power steering illustrates without the demand of steering that the control mechanism 4 controls the motor 3 and stops work when the torque numerical value is zero
Make, when wherein one group of failure in the motor 3 or the driving power 5, another group can respond rapidly to and mention
For power-assisted needed for the Vehicular turn, guarantee the safety traffic of vehicle, and provide prompt, with maintenance and inspection as early as possible, guarantees vehicle
Safety.
For for exemplary embodiment of the invention, it should be understood that be in the protection scope of claims of the present invention
A certain kind demonstrative example therein has the guiding effect that those skilled in the art are realized with corresponding technical solution, and
Non- limitation of the invention.
Claims (10)
1. a kind of double source electric boosting steering system, which is characterized in that including input shaft, output shaft, motor, control mechanism, drive
Dynamic power supply, the input axis connection steering wheel for vehicle, the output axis connection wheel, the input shaft, motor connection are described defeated
Shaft, steering force needed for providing the wheel, the control mechanism are connect with the motor, to control the motor operation,
The driving power is connect with the control mechanism, and to power source needed for providing the motor, the driving power is double electricity
Source.
2. double source electric boosting steering system according to claim 1, which is characterized in that the driving power includes high pressure
Power supply and low-tension supply, the high voltage power supply are vehicle drive power, and the low-tension supply is vehicle-mounted low-tension supply.
3. double source electric boosting steering system according to claim 2, which is characterized in that the motor is double winding electricity
Machine, the double winding of the double-winding motor are connect with the high voltage power supply, low-tension supply respectively.
4. double source electric boosting steering system according to claim 2, which is characterized in that the motor is bimorph transducer electricity
Two sets of stators of machine, the Double-stator motor are separately connected the high voltage power supply, low-tension supply.
5. double source electric boosting steering system according to claim 2, which is characterized in that the motor is bi-motor, packet
First motor, the second motor are included, the first motor, the second motor are connect with the high voltage power supply, low-tension supply respectively.
6. according to double source electric boosting steering system described in claim 3 or 4 or 5, which is characterized in that the input shaft and institute
It states and the first deceleration mechanism is set between output shaft.
7. double source electric boosting steering system according to claim 6, which is characterized in that the motor subtracts with described first
Second deceleration mechanism is set between fast mechanism.
8. double source electric boosting steering system according to claim 7, which is characterized in that first slowing-down structure is snail
Wheel, worm structure, second deceleration mechanism are planetary gear structure.
9. double source electric boosting steering system according to claim 8, which is characterized in that the worm screw is Planar Quadratic packet
Network enveloping worm.
10. double source electric boosting steering system according to claim 1, which is characterized in that power is arranged at the input shaft
Square sensor, the torque sensor connect the output shaft and the control mechanism.
Priority Applications (1)
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CN201711017820.1A CN109703615A (en) | 2017-10-26 | 2017-10-26 | A kind of double source electric boosting steering system |
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CN201711017820.1A CN109703615A (en) | 2017-10-26 | 2017-10-26 | A kind of double source electric boosting steering system |
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CN109703615A true CN109703615A (en) | 2019-05-03 |
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CN201711017820.1A Pending CN109703615A (en) | 2017-10-26 | 2017-10-26 | A kind of double source electric boosting steering system |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100680377B1 (en) * | 2005-11-19 | 2007-02-08 | 현대자동차주식회사 | One shaft-two motor driven mechanism with 2 power source input for the high reliability system |
WO2007141634A1 (en) * | 2006-06-06 | 2007-12-13 | Toyota Jidosha Kabushiki Kaisha | Electric power steering apparatus and method for controlling the electric power steering apparatus |
CN105346593A (en) * | 2015-12-04 | 2016-02-24 | 广西玉柴机器股份有限公司 | Electric power steering system |
CN106882262A (en) * | 2015-12-16 | 2017-06-23 | 天津市松正电动汽车技术股份有限公司 | Dual power supply electric hydraulic power-assisted steering system and its control method |
CN208278156U (en) * | 2017-10-26 | 2018-12-25 | 天津市松正电动汽车技术股份有限公司 | A kind of double source electric boosting steering system |
-
2017
- 2017-10-26 CN CN201711017820.1A patent/CN109703615A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100680377B1 (en) * | 2005-11-19 | 2007-02-08 | 현대자동차주식회사 | One shaft-two motor driven mechanism with 2 power source input for the high reliability system |
WO2007141634A1 (en) * | 2006-06-06 | 2007-12-13 | Toyota Jidosha Kabushiki Kaisha | Electric power steering apparatus and method for controlling the electric power steering apparatus |
CN105346593A (en) * | 2015-12-04 | 2016-02-24 | 广西玉柴机器股份有限公司 | Electric power steering system |
CN106882262A (en) * | 2015-12-16 | 2017-06-23 | 天津市松正电动汽车技术股份有限公司 | Dual power supply electric hydraulic power-assisted steering system and its control method |
CN208278156U (en) * | 2017-10-26 | 2018-12-25 | 天津市松正电动汽车技术股份有限公司 | A kind of double source electric boosting steering system |
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Application publication date: 20190503 |