CN109703615A - A kind of double source electric boosting steering system - Google Patents

A kind of double source electric boosting steering system Download PDF

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Publication number
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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CN
China
Prior art keywords
motor
steering system
double
electric boosting
boosting steering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711017820.1A
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Chinese (zh)
Inventor
徐闯
霍从崇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Santroll Electric Automobile Technology Co Ltd
Original Assignee
Tianjin Santroll Electric Automobile Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Santroll Electric Automobile Technology Co Ltd filed Critical Tianjin Santroll Electric Automobile Technology Co Ltd
Priority to CN201711017820.1A priority Critical patent/CN109703615A/en
Publication of CN109703615A publication Critical patent/CN109703615A/en
Pending legal-status Critical Current

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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

A kind of double source electric boosting steering system
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.
CN201711017820.1A 2017-10-26 2017-10-26 A kind of double source electric boosting steering system Pending CN109703615A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711017820.1A CN109703615A (en) 2017-10-26 2017-10-26 A kind of double source electric boosting steering system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711017820.1A CN109703615A (en) 2017-10-26 2017-10-26 A kind of double source electric boosting steering system

Publications (1)

Publication Number Publication Date
CN109703615A true CN109703615A (en) 2019-05-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711017820.1A Pending CN109703615A (en) 2017-10-26 2017-10-26 A kind of double source electric boosting steering system

Country Status (1)

Country Link
CN (1) CN109703615A (en)

Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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