CN108791476A - Electric boosting steering system and automobile - Google Patents
Electric boosting steering system and automobile Download PDFInfo
- Publication number
- CN108791476A CN108791476A CN201810601713.1A CN201810601713A CN108791476A CN 108791476 A CN108791476 A CN 108791476A CN 201810601713 A CN201810601713 A CN 201810601713A CN 108791476 A CN108791476 A CN 108791476A
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- CN
- China
- Prior art keywords
- assist motor
- electric boosting
- steering system
- cooling
- boosting steering
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0409—Electric motor acting on the steering column
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
Abstract
The present invention relates to a kind of electric boosting steering systems, including column assy and cooling system assembly, column assy includes assist motor, slowing-down structure, controller, angle adjusting mechanism and instrument mounting bracket, cooling system assembly includes Cooling kettle, servo cooling water pump, thermoswitch, water inlet pipe, outlet pipe and communication harness, the water outlet of servo cooling water pump is connected by an outlet pipe with assist motor, water inlet is connected by a water inlet pipe with assist motor, servo cooling water pump is connected by a communication harness with the thermoswitch above assist motor, assist motor is internally provided with the temperature sensor being connected with controller, solution provided by the invention can make assist motor be constantly in best working condition, improve the working efficiency and service life of assist motor.The invention further relates to a kind of automobiles including the electric boosting steering system.
Description
Technical field
The present invention relates to electric power steering technical field, more particularly to a kind of electric boosting steering system and automobile.
Background technology
It is well known that automobile is assembled by multiple parts, wherein automobile electric booster steering system directly passes through
Assist motor provides auxiliary torque to mitigate driver's burden to driver, and electric boosting steering system is usually by three parts structure
At, signal sensor (including torque sensor, rotary angle transmitter and vehicle speed sensor), assistant steering mechanism (motor, clutch
Device, reduction gearing mechanism) and electronic control unit.Electric boosting steering system as in vehicle traveling process by relying on motor
Auxiliary torque is provided to help driver vehicle traveling direction to be adjusted the important component with control, is turned in actual automobile
It is played a crucial role into regulation and control.
However, as China Automobile Industry develops rapidly, domestic major automobile brand dog-eat-dog, automotive performance increasingly carries
It rises.Electric boosting steering system carries out the important system of motor turning as auxiliary driver, can not only play simple auxiliary
Motor turning function is helped, but also certain additional aligning torque or damping torque can be applied so that steering wheel energy when low speed
It is enough accurately to return to centre position, so as to inhibit high speed to return the just oscillation and overshoot of steering wheel in the process, take into account vehicle
Return performance when high, low speed.Assist motor is as the key components and parts in electric boosting steering system, to electric power steering
The performance of system generates direct and important influence, therefore the working efficiency of promotion assist motor and reliability are to promoting automobile
Control stability, comfortableness and security have vital effect.
In the prior art, currently used electric boosting steering system is easy overheat in frequent operation, and then affects
The Performance And Reliability that automobile electric booster steering system turns to.
Invention content
Based on this, the purpose of the invention is to provide a kind of electric boosted turn for improving automotive performance and turning to reliability
To system, and use the automobile of the electric boosting steering system.
A kind of electric boosting steering system of present invention proposition, including column assy and cooling system assembly, described turn
Include assist motor, slowing-down structure, controller, angle adjusting mechanism and instrument mounting bracket, the cooling system to tubing string assembly
System assembly includes Cooling kettle, servo cooling water pump, thermoswitch, water inlet pipe, outlet pipe and communication harness, the servo cooling
The water outlet of water pump is connected by an outlet pipe with the assist motor, water inlet passes through a water inlet pipe and the assist motor phase
Even, the servo cooling water pump is connected by a communication harness with the thermoswitch above the assist motor, the power-assisted electricity
Machine is internally provided with the temperature sensor being connected with controller.
Electric boosting steering system proposed by the present invention can effectively adjust described turn by the angle adjusting mechanism
It is avoided to the angle of tubing string assembly due to described electronic with improving the integral installation precision of the electric boosting steering system
The installation accuracy of servo steering system is too low and in the situation for carrying out will appear vibrations and abnormal sound when vehicle right and left commutation；Pass through institute
It states the protective jacket in angle adjusting mechanism and passes through the angle adjusting mechanism to avoid the stress of the column assy
It is directly collided with neighbouring part and generates abnormal sound and noise；Since the design of the cooling system assembly is to enable effectively to institute
It states assist motor to be cooled down, and then effectively the operating temperature of the assist motor can be controlled, pass through the cooling
The design of kettle, the servo cooling water pump, the outlet pipe and the water inlet pipe cools down institute in a manner of using water-cooled cooling
The operating ambient temperature for stating assist motor manually controls fan without user and carries out machinery cooling, improves the cooling system
The cooling efficiency of assembly；By the design of the temperature sensor, the controller and the thermoswitch, so that when determining
When the operating temperature of the assist motor is more than the first temperature threshold or is less than second temperature threshold value, described in the controller control
Whether thermoswitch is worked so that effectively carried out thermostatic control to the operating temperature of assist motor, and then improved
The thermostatic control efficiency of the cooling system assembly, effectively solving assist motor frequent operation leads to overheat, output torque decline
And the problem of influencing the reliability and its performance of the electric boosting steering system.
Further, the deceleration mechanism includes a worm gear, and the worm screw that is meshed with the worm gear, the worm gear with
The periphery of the worm screw is arranged with first shell and second shell respectively, and the tubing string includes turning to input shaft and being sheathed on described
Turn to the sleeve of input shaft periphery.
Further, it is additionally provided on the cylinder of the column assy for fixing the angle adjusting mechanism
Fixation kit, the fixation kit include the first fastening plate being mutually clamped with the cylinder, are set to first fastening plate periphery
The second fastening plate being mutually clamped with the cylinder, and the fastening for connecting the fixation kit and the angle adjusting mechanism
Part.
Further, the angle adjusting mechanism is sequentially connected with second fastening plate including two by the fastener
The stabilizer blade and flap connect, the both ends of each stabilizer blade are respectively equipped with a mounting hole and a protective jacket, the flap be equipped with
The limit hole of the mounting hole mating reaction, the protective jacket are mounted on the periphery of the stabilizer blade, the stabilizer blade and the flap
It is connected by a connection piece.
Further, the both ends of the second fastening plate top side are respectively equipped with a fixed plate, and the fixed plate passes through
Clamping plate is fixedly connected with a mounting plate.
Further, the steering input shaft of the column assy is equipped at least one torque/rotary angle transmitter,
Torque/the rotary angle transmitter and the controller are electrically connected, the torque/rotary angle transmitter by the torque measured/
Corner value is sent to the controller as electronic signals.
Further, the instrument board mounting bracket and the beginning of the column assy are mutually clamped, the steering tube
The beginning of column assembly be equipped with spline, the instrument board mounting bracket include a plate body, the plate body opposite sides be equipped with card slot and
Mounting hole, the plate body end are set towards the extension plate extended is equipped with close to the angle adjusting mechanism direction on the extension plate
There is a limiting slot.
Further, the solution further includes one for the controller, the servo cooling water pump and described
The power supply of thermoswitch power supply.
Further, a coiled pipe is equipped in the accommodation space, the coiled pipe is set around institute in the cooling space
The periphery of assist motor is stated, a partition board is equipped in the Cooling kettle, is equipped in the partition board and the space of the Cooling kettle
One condenser, the water inlet of the coiled pipe are connect with the water outlet of the servo cooling water pump, the water outlet of the coiled pipe
It is connect with the water inlet of the condenser, the water outlet of the condenser passes through the partition board and the partition board and the cooling water
The space of pot is connected to.
A kind of automobile, including steering wheel further include above-mentioned electric boosting steering system, the electric boosting steering system
In column assy connect by spline with the steering wheel.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
Fig. 1 is the structural schematic diagram of electric boosting steering system in first embodiment of the invention；
Fig. 2 is the vertical view of electric boosting steering system shown in FIG. 1；
Fig. 3 is the diagrammatic cross-section of the line A-A along Fig. 2；
Fig. 4 is the vertical view of electric boosting steering system shown in FIG. 1；
Fig. 5 is the assembling schematic diagram of angle adjusting mechanism and fixation kit in electric boosting steering system shown in FIG. 1；
The explosion that Fig. 6 is Fig. 5 is charted；
Fig. 7 is the structural schematic diagram of instrument board mounting bracket in electric boosting steering system shown in FIG. 1；
Fig. 8 is the structural schematic diagram of electric boosting steering system in second embodiment of the invention.
Primary symbols explanation：
Specific implementation mode
To facilitate the understanding of the present invention, below with reference to relevant drawings to invention is more fully described.In attached drawing
Give the preferred embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to the disclosure.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the Listed Items of pass.
It please refers to Fig.1 to Fig. 7, the electric boosting steering system in first embodiment of the invention, including column assy
10 and cooling system assembly 20.The column assy 10 includes tubing string 11, assist motor 12, slowing-down structure 13, controller
14, angle adjusting mechanism 15 and instrument mounting bracket 16；The cooling system assembly 20 includes Cooling kettle 21, servo cooling water
Pump 22, thermoswitch 23, water inlet pipe 24, outlet pipe 25, communication harness 26 and the temperature inside the assist motor 12 pass
Sensor 27.The assist motor 12, the slowing-down structure 13, the thermoswitch 23 and the temperature sensor 27 respectively with institute
State the electric connection of controller 14.
The deceleration mechanism 13 includes a worm gear 131, and the worm screw 132 being meshed with the worm gear 131.The worm gear
131 are arranged with first shell 133 and second shell 134 respectively with the periphery of the worm screw 132.The first shell 133 and institute
134 mating reaction of second shell is stated, each part in the deceleration mechanism 13 is protected and be limited, to subtract described in raising
The reliability and service life of fast mechanism 13.The first shell 133 and the second shell 134 are coordinated by bolts and nuts
Effect is fixedly connected, and from order to which the deceleration mechanism 13 is dismantled and assembled, improves the dress of the deceleration mechanism 13
With efficiency, time and cost have been saved.
The cooling component 20 includes a Cooling kettle 21, the servo cooling water pump set on 21 bottom of the Cooling kettle
22.The periphery of the assist motor 12 is equipped with head cover 121 and bottom case 122, and the head cover 121 is tightly connected with the bottom case 122,
The assist motor 12 is contained in the head cover 121 and is formed by accommodating chamber with the bottom case 122.The servo cooling water pump
22 water outlet is connected to through the upper end of head cover 121 with accommodating chamber by an outlet pipe 25, the bottom of the head cover 121 is by one
Water inlet pipe 24 is connected to the Cooling kettle 21.The outlet pipe 25 and the both ends of the water inlet pipe 24 respectively it is corresponding with it is described cold
But kettle 21 and the head cover 121 are tightly connected.Coolant liquid in Cooling kettle 21 described in the present embodiment is water, the servo
Cooling water pump 22 is used for convey coolant liquid in the outlet pipe 25, to ensure the outlet pipe 25 to helping in the accommodating chamber
The working environment of force motor 12 cools down.By the design of the water inlet pipe 24, so as to facilitate the water inlet pipe 24 will
Coolant liquid return is delivered to the Cooling kettle 21 and is recycled.
Wherein, the servo cooling water pump 22 is electrically connected by a communication harness 26 with the thermoswitch 23.It is described
Communication harness 26 is used to be responsible for the transmission of temperature switch signal and servo cooling water pump 22.A temperature is equipped in the accommodation space
Sensor 27, the temperature sensor 27 are electrically connected by a sensor harness 28 with the controller 14, the sensor
Harness 28 is used for transmission of sensor signals.The assist motor 12 is used for through a motor bundle of outputs 123 and the controller
14 are electrically connected, and the motor bundle of outputs 123 is for transmitting motor output signal.The temperature sensor 27 is for incuding institute
The temperature of 12 working environment of the assist motor in accommodating chamber is stated, and the temperature sensed is sent to the controller 14, institute
It states controller 14 to be electrically connected with the thermoswitch 23, the controller 14, which is used to work as, determines the hair of the temperature sensor 27
When the temperature sensor sent is not in preset temperature range, sends signal and control the progress of the thermoswitch 23 break-make variation, to protect
Hinder the thermostatic control to the temperature of 12 working environment of the assist motor in the accommodating chamber.
In practical applications, the temperature of the assist motor 12 sensed is sent to described by the temperature sensor 27
Controller 14, the controller 14 judge the temperature of the assist motor 12 received into trip temperature, when determining the power-assisted
When the temperature of motor 12 is more than the first temperature threshold, the controller 14 makes described watch by controlling the correspondence of thermoswitch 23
The energization of cooling water pump 22 is taken, so that cool but liquid drops the assist motor 12 in the accommodating chamber by the outlet pipe 25
Temperature, so that the temperature of assist motor 12 is reduced in preset temperature range；When the temperature for determining the assist motor 12 is less than
When second temperature threshold value, the controller 14, which controls the correspondence of the thermoswitch 23, makes the servo cooling water pump 22 power off, and makes
The Current Temperatures of coolant liquid must be effectively raised, so that coolant temperature rises in the preset temperature range, to make
Within the temperature rise to preset range of the assist motor 12, and then ensure the cooling system assembly 20 to coolant liquid temperature
The thermostatic control of degree.Wherein, in the present embodiment, first temperature threshold is 50 DEG C, and the second temperature threshold value is 35 DEG C, but
Without being limited thereto, in other embodiments, first temperature threshold and the second temperature threshold value can also be according to actual demands
It is adjusted.
The tubing string 11 includes the sleeve 112 for turning to input shaft 111 and being sheathed on 111 periphery of the steering input shaft.Institute
State turn to input shaft 111 input terminal it is at least part of extend to 134 in the second shell, and by a torsion bar with it is described
The output end of worm screw 132 is fixedly connected in second shell 134.The second shell 134 and the junction of the sleeve 112 pass through
One gasket seal connects, and to improve the reliability that the column assy 10 is connect with the deceleration mechanism 13, avoids outside
Dust impurity enters the reliability for influencing the electric boosting steering system transmission.Wherein, it is set on the steering input shaft 111
There are spline (not shown), the cylinder 12 to be equipped with the internal tooth with the spline (not shown) mating reaction, the steering input
Axis 111 engages connection with the sleeve 12 by the spline 13, to improve the installation accuracy of the column assy 10.
The sleeve 112 of the tubing string 11 is additionally provided with the fixation kit for fixing the angle adjusting mechanism 15 above
17, the fixation kit 17 includes the first fastening plate 113a being clamped with 112 phase of the sleeve, is set to first fastening plate
The second fastening plate 113b that the peripheries 113a are clamped with 112 phase of the sleeve, and for connect the fixation kit 17 with it is described
The fastener 113c of angle adjusting mechanism 15.The shape of the first fastening plate 113a and the second fastening plate 113b are Qian
Font, the sectional dimension of the second fastening plate 113b are more than the sectional dimension of the first fastening plate 113a.Second card
The both ends of plywood 113b top sides are respectively equipped with fixed plate a 113d, the fixed plate 113d and are installed by clamping plate 113e and one
Plate 113f is fixedly connected, and the mounting plate 113f is for installing steering column.The fastener 113c is mutual cooperation effect
Fastening bolt and nut.The first fastening plate 113a, the second fastening plate 113b and the fastener 113c mating reactions,
To improve the reliability that the angle adjusting mechanism 15 is connect with the column assy 10, avoid due to the angular adjustment
Due to turning to be in the presence of shaking with gap and abnormal sound, meeting practical application needs for mechanism 15 and the column assy 10
It asks.
Wherein, the angle adjusting mechanism 15 can effectively adjust the angle of the column assy 10, to improve
The integral installation precision of the electric boosting steering system avoids the installation accuracy mistake due to the electric boosting steering system
It is low and in the situation for carrying out will appear vibrations and abnormal sound when vehicle right and left commutation.The angle adjusting mechanism 15 passes through including two
The fastener 113c sequentially with the second fastening plate 113b stabilizer blades 151 connecting and flap 152, two stabilizer blades 151
With two flaps 152 are at least part of respectively overlaps.The both ends of each stabilizer blade 151 are respectively equipped with a mounting hole
(not shown) and a protective jacket 151a.The flap 152 is equipped with the limit hole with the mounting hole (not shown) mating reaction
152a.The stabilizer blade 151 is connect with the flap 152 by a connection piece 153, and the connector 153 acts on for mutual cooperation
Bolts and nuts.The protective jacket 151a is arranged the periphery with the stabilizer blade 151, by the angle adjusting mechanism 15
Stress when the protective jacket 151a turns to avoid the column assy 10 is direct by 15 structure of angular adjustment machine
It is collided with neighbouring part and generates abnormal sound and noise.
It should be understood that two stabilizer blades 151 and two flaps 152 respectively be in angle fix, two
The limit hole 152a on the flap 152 is corresponding with the mounting hole (not shown) on two flaps 152 respectively, and two
Limit hole 152a on a flap 152 is at least part of to be connected to the limit hole 152a, the flap 152 and described
Stabilizer blade 151 is attached by sequentially running through the connector 153 of the mounting hole (not shown) and the limit hole 152a, described
Connector 153 is fastening bolt.The angle tune that the angle adjusting mechanism 15 after assembly passes through two stabilizer blades 151 of adjusting
Save the angle of the column assy 10.
The instrument board mounting bracket 16 and the beginning of the column assy 10 are mutually clamped, the instrument board installation branch
Frame 16 is for installing instrument board and steering wheel screens spring.If 112 end of the sleeve of the column assy 10 is equipped with
Dry card hole (not shown), the card hole (not shown) carry out the column assy 10 and required installation site for facilitating
Clamping.The instrument board mounting bracket 16 includes a plate body 161,161 opposite sides of the plate body equipped with card slot 162 and mounting hole
163,161 end of the plate body is towards close to extension plate 164 of 15 direction of the angle adjusting mechanism equipped with extension, the extension plate
164 are equipped with a limiting slot 165.The card slot 162 and 163 mating reaction of the mounting hole with improve steering wheel with it is described electronic
The reliability of servo steering system connection, the limiting slot 165 is for limiting the screens spring.
The steering input shaft 111 of the column assy 10 is equipped at least one torque/rotary angle transmitter 114,
Torque/the rotary angle transmitter 114 is electrically connected with the controller 14, and the torque/rotary angle transmitter 114 is measured described
Torque/corner value be sent to the controller 14 as electronic signals.Torque/the rotary angle transmitter 114 is non-contact
Formula sensor, and it is set to the lower part for turning to input shaft 111.Torque/the rotary angle transmitter 114 is mainly used for the control
Device 14 transmits steering-wheel torque signal and steering wheel steering angle signal, so that controller 14 controls the change of the assist motor 12
Column assy 10 described in output power power-assisted turns to.When Vehicular turn, driver turn steering wheel, which drives, turns to input shaft
111 rotations turn to input shaft 111 and drive the rotation of torsion bar one end, make torsion bar torsional deflection, and torque/rotary angle transmitter 114 is by torsion bar
The torque and angle-data of torsion are converted into electric signal and are sent to controller 14, and controller 14 is according to the electric signal to assist motor
12 send out instruction, direction of rotation power-assisted rotation of the driving assist motor 12 to steering wheel, and assist motor 12 drives deceleration mechanism 13,
The column assy 10 that vehicle is passed to after the driving torque of assist motor 12 is amplified, is ultimately transferred to the steering of vehicle
Device, deceleration mechanism 13 can achieve the effect that increase output torque by internal multi-stage speed change, while improve transmission efficiency.
The electric boosting steering system further includes one for the controller 14, the servo cooling water pump 22 and institute
State the power supply that temperature-sensitive opens the power supply of 13 passes.The power supply and the controller 14 are integrated morphology, the servo cooling water pump 22 and
The temperature-sensitive is opened 13 and is electrically connected respectively by a power insert and the power supply.
Electric boosting steering system proposed by the present invention can be effectively by the design of the column assy 10
131 worm screw 132 of worm gear in the angle adjusting mechanism 15, the mounting plate 113f and the deceleration mechanism 13 is installed
In fixation；The angle that the column assy 10 can be effectively adjusted by the angle adjusting mechanism 15, to improve
The integral installation precision for stating electric boosting steering system is avoided since the installation accuracy of the electric boosting steering system is too low
And in the situation for carrying out will appear vibrations and abnormal sound when vehicle right and left commutation；By described anti-in the angle adjusting mechanism 15
Sheath 151a is directly touched with neighbouring part to avoid the stress of the column assy 10 by the angle adjusting mechanism 15
It hits and generates abnormal sound and noise；Due to the cooling system assembly 20 design to enable effectively to the assist motor 12 into
Row cooling, and then can effectively control the operating temperature of the assist motor 12, by the Cooling kettle 21, described
The design of servo cooling water pump 22, the outlet pipe 25 and the water inlet pipe 24, by using described in cooling down in a manner of water-cooled cooling
The operating ambient temperature of assist motor 12 manually controls fan without user and carries out machinery cooling, improves the cooling system
The cooling efficiency of assembly 20；By the design of the temperature sensor 27, the controller 14 and the thermoswitch 23, so that
When the operating temperature for determining the assist motor 12 is more than the first temperature threshold or is less than second temperature threshold value, the control
Whether device 14 controls the thermoswitch 23 and is worked so that effectively carried out constant temperature to the operating temperature of assist motor 12
It adjusts, and then improves the thermostatic control efficiency of the cooling system assembly 20, effectively solve 12 frequent operation of assist motor and lead
The problem of cause overheat, reliability and its NVH performances that output torque fails and influencing the electric boosting steering system.
Referring to Fig. 8, the structural schematic diagram for the electric boosting steering system showing in second embodiment of the invention, this reality
The electric boosting steering system applied in the electric boosting steering system and first embodiment in example is more or less the same, the difference is that
Electric boosting steering system in the present embodiment is equipped with a coiled pipe 124 on the basis of first embodiment in the accommodating chamber,
The coiled pipe 124 is set around the periphery of assist motor 12 described in the cooling space, and one is equipped in the Cooling kettle 21
It is equipped with a condenser 212 in partition board 211, the partition board 211 and the space of the Cooling kettle 21.The coiled pipe 124 into
The mouth of a river and the water outlet of the servo cooling water pump 22 are tightly connected, the water outlet of the coiled pipe 124 and the condenser 212
Inlet seal connection, the water outlet of the condenser 212 passes through the partition board 211 and the partition board 211 and the cooling
The space of kettle 21 is connected to.Wherein, several equally distributed apopores, the coiled pipe 124 are offered on the coiled pipe 124
With 212 mating reaction of the condenser, uniformly to be freezed to the assist motor 12 in the accommodating chamber, and can will be high
The coolant liquid of temperature is freezed again after the condenser 212, and then improves the constant temperature of the cooling system assembly 20
Adjust efficiency, effectively solving 12 frequent operation of assist motor causes to overheat, output torque decline and influence described electronic help
The problem of reliability and its NVH performances of power steering.
The invention further relates to a kind of automobile including the electric boosting steering system, which includes steering wheel, the electricity
Dynamic servo steering system is connect with the steering wheel by spline.Automobile in the present embodiment by column assy 10, subtract
Fast mechanism 13, angle adjusting mechanism 15, instrument board mounting bracket 16, drive component 50, cooling system assembly 20 and controller 14
It is fixedly connected with the steering wheel in the electric boosting steering system, it is full to improve auto NVH performance and turn to reliability
Foot practical application request.
Only several embodiments of the present invention are expressed for above example, the description thereof is more specific and detailed, but can not
Therefore it is interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection model of the present invention
It encloses.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of electric boosting steering system, which is characterized in that including column assy and cooling system assembly, the steering
Tubing string assembly includes tubing string, assist motor, slowing-down structure, controller, angle adjusting mechanism and instrument mounting bracket, the cooling
System synthesis includes that Cooling kettle, servo cooling water pump, thermoswitch, water inlet pipe, outlet pipe and communication harness, the servo are cold
But the water outlet of water pump is connected by an outlet pipe with the assist motor, water inlet passes through a water inlet pipe and the assist motor
It is connected, the servo cooling water pump is connected by a communication harness with the thermoswitch above the assist motor, the power-assisted
Motor is internally provided with the temperature sensor being connected with controller.
2. electric boosting steering system according to claim 1, the deceleration mechanism includes a worm gear, and with the snail
The worm screw being meshed is taken turns, the worm gear and the periphery of the worm screw are arranged with first shell and second shell, the tubing string respectively
Including the sleeve for turning to input shaft and being sheathed on the steering input shaft periphery.
3. electric boosting steering system according to claim 1, which is characterized in that above the sleeve of the tubing string also
Equipped with the fixation kit for fixing the angle adjusting mechanism, the fixation kit includes first be mutually clamped with the sleeve
Fastening plate, the second fastening plate being mutually clamped with the sleeve set on first fastening plate periphery, and it is described solid for connecting
Determine the fastener of component and the angle adjusting mechanism.
4. electric boosting steering system according to claim 3, which is characterized in that the angle adjusting mechanism includes two
The both ends of the stabilizer blade and flap sequentially being connect with second fastening plate by the fastener, each stabilizer blade are respectively equipped with
One mounting hole and a protective jacket, the flap are equipped with the limit hole with the mounting hole mating reaction, the protective jacket installation
In the periphery of the stabilizer blade, the stabilizer blade is connect with the flap by a connection piece.
5. electric boosting steering system according to claim 4, which is characterized in that the second fastening plate top side
Both ends are respectively equipped with a fixed plate, and the fixed plate is fixedly connected by clamping plate with a mounting plate.
6. electric boosting steering system according to claim 1, which is characterized in that described turn of the column assy
It is equipped at least one torque/rotary angle transmitter to input shaft, the torque/rotary angle transmitter is electrically connected with the controller,
Torque/the corner value measured is sent to the controller by the torque/rotary angle transmitter as electronic signals.
7. electric boosting steering system according to claim 1, which is characterized in that the instrument board mounting bracket with it is described
The beginning of column assy is mutually clamped, and the beginning of the column assy is equipped with spline, the instrument board mounting bracket packet
A plate body, the plate body opposite sides are included equipped with card slot and mounting hole, the plate body end is towards close to the angle adjusting mechanism
Direction is equipped with the extension plate extended, and the extension plate is equipped with a limiting slot.
8. electric boosting steering system according to claim 1, which is characterized in that the solution further includes one being used for
To the power supply of the controller, the servo cooling water pump and the thermoswitch power supply.
9. electric boosting steering system according to claim 1, which is characterized in that it is snakelike to be equipped with one in the accommodation space
Pipe, the coiled pipe are set around the periphery of assist motor described in the cooling space, a partition board are equipped in the Cooling kettle,
It is equipped with a condenser, the water inlet of the coiled pipe and the servo cooling water in the partition board and the space of the Cooling kettle
The water outlet of pump connects, and the water outlet of the coiled pipe is connect with the water inlet of the condenser, the water outlet of the condenser
It is connected to the space of the partition board and the Cooling kettle across the partition board.
10. a kind of automobile, which is characterized in that further include that electronic described in claim 1 to 9 any one helps including steering wheel
Power steering, the column assy in the electric boosting steering system are connect with the steering wheel by spline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810601713.1A CN108791476A (en) | 2018-06-12 | 2018-06-12 | Electric boosting steering system and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810601713.1A CN108791476A (en) | 2018-06-12 | 2018-06-12 | Electric boosting steering system and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108791476A true CN108791476A (en) | 2018-11-13 |
Family
ID=64085151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810601713.1A Pending CN108791476A (en) | 2018-06-12 | 2018-06-12 | Electric boosting steering system and automobile |
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| Country | Link |
|---|---|
| CN (1) | CN108791476A (en) |
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| CN206475932U (en) * | 2017-01-04 | 2017-09-08 | 中国重汽集团济南动力有限公司 | A kind of safety control system of pure electric hydraulic power-assisted steering |
| CN107200057A (en) * | 2016-03-16 | 2017-09-26 | 本田技研工业株式会社 | Driven steering device |
| CN107921995A (en) * | 2016-03-09 | 2018-04-17 | 日立汽车系统株式会社 | Vidacare corp and electric power-assisted steering apparatus |
| CN207328562U (en) * | 2017-10-30 | 2018-05-08 | 姜文涛 | A kind of high-power electric power-assisted steering tubular column |
-
2018
- 2018-06-12 CN CN201810601713.1A patent/CN108791476A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017016981A (en) * | 2015-07-06 | 2017-01-19 | 株式会社クボタ | Connector structure and work vehicle |
| CN107921995A (en) * | 2016-03-09 | 2018-04-17 | 日立汽车系统株式会社 | Vidacare corp and electric power-assisted steering apparatus |
| CN107200057A (en) * | 2016-03-16 | 2017-09-26 | 本田技研工业株式会社 | Driven steering device |
| CN206475932U (en) * | 2017-01-04 | 2017-09-08 | 中国重汽集团济南动力有限公司 | A kind of safety control system of pure electric hydraulic power-assisted steering |
| CN207328562U (en) * | 2017-10-30 | 2018-05-08 | 姜文涛 | A kind of high-power electric power-assisted steering tubular column |
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Application publication date: 20181113 |