CN206766112U - A kind of brshless DC motor driving power-assisted steering device with reductor - Google Patents

A kind of brshless DC motor driving power-assisted steering device with reductor Download PDF

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Publication number
CN206766112U
CN206766112U CN201720578296.4U CN201720578296U CN206766112U CN 206766112 U CN206766112 U CN 206766112U CN 201720578296 U CN201720578296 U CN 201720578296U CN 206766112 U CN206766112 U CN 206766112U
Authority
CN
China
Prior art keywords
assist motor
steering
power
steering assist
oil pump
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.)
Expired - Fee Related
Application number
CN201720578296.4U
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Chinese (zh)
Inventor
陈宏德
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.)
Shanghai Huitai Multi Amperex Technology Co Ltd
Original Assignee
Shanghai Huitai Multi Amperex 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 Shanghai Huitai Multi Amperex Technology Co Ltd filed Critical Shanghai Huitai Multi Amperex Technology Co Ltd
Priority to CN201720578296.4U priority Critical patent/CN206766112U/en
Application granted granted Critical
Publication of CN206766112U publication Critical patent/CN206766112U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of brshless DC motor with reductor to drive power-assisted steering device,Including steering assist motor,The steering assist motor is internally provided with controller,And the outside of steering assist motor is provided with steering assist motor shell body,One end of the steering assist motor shell body sets the steering assist motor axle of extension inside oriented helical gear reducer,The outside of the helical gear reducer is provided with helical tooth speed reducer shell body,The one end of the helical tooth speed reducer shell body away from steering assist motor sets the helical tooth speed reducer axle of oriented power-assisted steering oil pump side extension,The power-assisted steering oil pump is provided with power-assisted steering oil pump shaft close to one end of helical gear reducer,The outside of the power-assisted steering oil pump shaft is provided with concentric sleeve,The torque that the utility model passes through helical gear reducer amplifying and steering assist motor,So as to drive power-assisted steering operation of oil pump with less electric current.

Description

A kind of brshless DC motor driving power-assisted steering device with reductor
Technical field
The utility model belongs to steering gear technical field, and in particular to a kind of brshless DC motor driving with reductor helps Power steering gear.
Background technology
Motor (English:Electric machinery, it is commonly called as " motor ") refer to realize electric energy according to the law of electromagnetic induction Conversion or a kind of calutron transmitted.Represented in circuit with alphabetical M (old plant D).Its main function is to produce drive Dynamic torque, as electrical appliance or various mechanical power sources.Generator is represented with alphabetical G in circuit.Its main function is Electric energy is converted into using mechanical energy, at present most commonly, is generated electricity using pushing generator rotors such as heat energy, water energy.
But steering gear in the market is not only complicated, and function is single, is not provided with helical gear reducer, Present passenger car on the market is all using the power of power-assisted steering electric machine will be in 8-10KW.
Utility model content
The purpose of this utility model is to provide a kind of brshless DC motor driving power-assisted steering device with reductor, with solution What is proposed in certainly above-mentioned background technology is not provided with helical gear reducer, and passenger car is filled using power-assisted steering motor on the market now The power put all is will be the 8-10KW the problem of.
To achieve the above object, the utility model provides following technical scheme:A kind of brshless DC motor with reductor Power-assisted steering device, including steering assist motor, the steering assist motor is driven to be internally provided with controller, and power steering The outside of motor is provided with steering assist motor shell body, and one end of the steering assist motor shell body sets oriented helical gear The steering assist motor axle of extension, the outside of the helical gear reducer are provided with helical tooth speed reducer shell body inside decelerator, The one end of the helical tooth speed reducer shell body away from steering assist motor sets the helical teeth of oriented power-assisted steering oil pump side extension Reductor shaft, the power-assisted steering oil pump are provided with power-assisted steering oil pump shaft, the power-assisted close to one end of helical gear reducer The outside of steering oil pump shaft is provided with concentric sleeve, and the steering assist motor and power-assisted steering oil pump electrically connect with controller Connect, the controller is electrically connected with CAN.
Preferably, the helical gear reducer is rotatablely connected with steering assist motor by steering assist motor axle.
Preferably, the controller is bolted to connection with steering assist motor.
Preferably, the power-assisted steering oil pump shaft is fixedly connected with helical tooth speed reducer axle by concentric sleeve.
Preferably, the helical tooth speed reducer shell body is bolted to connection with helical gear reducer.
The utility model compared with prior art, has the advantages that:
(1) the utility model helical gear reducer is rotatablely connected with steering assist motor by steering assist motor axle, is led to The torque of helical gear reducer amplifying and steering assist motor is crossed, so as to drive power-assisted steering operation of oil pump with less electric current.
(2) the utility model controller is bolted to connection with steering assist motor, and vehicle is obtained by CAN Travel speed, when Vehicle Speed is 5km/h, controller controls steering assist motor to be run with maximum speed 3000rpm, When Vehicle Speed is lifted, the proportional reduction of steering assist motor rotating speed, when Vehicle Speed is more than 40km/h, turn to Assist motor keeps rotating speed to be run for 500rpm.
(3) the utility model power-assisted steering oil pump shaft is fixedly connected with helical tooth speed reducer axle by concentric sleeve, passes through control The flow of device monitoring power-assisted steering oil pump processed, whether output oil pump is normal under different rotating speeds, passes through CAN and reports vehicle control Unit processed.
(4) the utility model helical tooth speed reducer shell body is bolted to connection with helical gear reducer, present market Upper passenger car is all using the power of power-assisted steering electric machine will be in 8-10KW, and we have added helical gear reducer just 4KW cans are only needed to reach effect same.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
In figure:1- steering assist motors, 2- steering assist motors shell body, 3- controllers, 4- steering assist motors axle, 5- Helical gear reducer, 6- helical tooth speed reducers shell body, 7- power-assisted steerings oil pump, 8- power-assisted steerings oil pump shaft, the concentric sleeves of 9-, 10- helical tooth speed reducer axles.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides a kind of technical scheme:A kind of brshless DC motor driving with reductor helps Power steering gear, including steering assist motor 1, steering assist motor 1 are internally provided with controller 3, and steering assist motor 1 Outside is provided with steering assist motor shell body 2, and one end of steering assist motor shell body 2 sets oriented helical gear reducer 5 The steering assist motor axle 4 of inside extension, the outside of helical gear reducer 5 are provided with helical tooth speed reducer shell body 6, and helical teeth slows down The one end of machine shell body 6 away from steering assist motor 1 sets the helical tooth speed reducer axle of the oriented side of power-assisted steering oil pump 7 extension 10, power-assisted steering oil pump 7 is provided with power-assisted steering oil pump shaft 8, power-assisted steering oil pump shaft 8 close to one end of helical gear reducer 5 Outside be provided with concentric sleeve 9, steering assist motor 1 and power-assisted steering oil pump 7 are electrically connected with controller 3, controller 3 It is electrically connected with CAN.
In the present embodiment, it is preferred that helical gear reducer 5 is rotated with steering assist motor 1 by steering assist motor axle 4 Connection, by the torque of the amplifying and steering assist motor 1 of helical gear reducer 5, so as to drive power-assisted steering oil with less electric current Pump 7 works.
In the present embodiment, it is preferred that controller 3 is bolted to connection with steering assist motor 1, passes through CAN Vehicle Speed is obtained, when Vehicle Speed is 5km/h, controller 3 controls steering assist motor 1 with maximum speed 3000rpm is run, when Vehicle Speed is lifted, the proportional reduction of the rotating speed of steering assist motor 1, when Vehicle Speed is more than During 40km/h, steering assist motor 1 keeps rotating speed to be run for 500rpm.
In the present embodiment, it is preferred that power-assisted steering oil pump shaft 8 is fixed with helical tooth speed reducer axle 10 by concentric sleeve 9 to be connected Connect, the flow of power-assisted steering oil pump 7 is monitored by controller 3, whether output oil pump is normal under different rotating speeds, total by CAN Report from a liner accuses full-vehicle control unit.
In the present embodiment, it is preferred that helical tooth speed reducer shell body 6 is bolted to connection with helical gear reducer 5, existing All being using the power of power-assisted steering electric machine in passenger car on the market will be in 8-10KW, and we have added helical gear deceleration Device 5 just only needs 4KW cans to reach effect same.
CAN in the utility model is exactly the internal control network on vehicle, and all related information can all pass through Bus be sent to need the information receive unit(Here the controller 3 for being exactly power-assisted steering receives entire car controller transmission Vehicle Speed, the speed of steering assist motor 1 is adjusted according to speed, speed is bigger, and steering assist motor 1 is slower, idling When steering assist motor 1 rotating speed it is maximum).
Operation principle and process for using of the present utility model:Carrying out in use, staff is to the utility model first Checked, check for defect, can not just carry out using if there is defect, now need notice maintenance people Member is repaired, and if there is no can be carried out using if problem, being passed through CAN and is received the related control of vehicle and believing Breath, and sent information to by CAN need the information receive unit --- controller 3, received in controller 3 After the Vehicle Speed information that CAN is sent, the speed of steering assist motor 1 is adjusted according to speed information, speed is bigger, Steering assist motor 1 is slower, and the rotating speed of steering assist motor 1 is maximum during idling, and passes through controller 3 and detect power-assisted steering oil pump 7 Flow, whether power-assisted steering oil pump 7 runs normal under different rotating speeds, and sends information to CAN, total by CAN Report from a liner accuses full-vehicle control unit.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of brshless DC motor driving power-assisted steering device with reductor, including steering assist motor(1), its feature exists In:The steering assist motor(1)Be internally provided with controller(3), and steering assist motor(1)Outside be provided with steering Assist motor shell body(2), the steering assist motor shell body(2)One end oriented helical gear reducer is set(5)It is internal The steering assist motor axle of extension(4), the helical gear reducer(5)Outside be provided with helical tooth speed reducer shell body(6), institute State helical tooth speed reducer shell body(6)Away from steering assist motor(1)One end oriented power-assisted steering oil pump is set(7)Side extends Helical tooth speed reducer axle(10), the power-assisted steering oil pump(7)Close to helical gear reducer(5)One end be provided with power-assisted steering Oil pump shaft(8), the power-assisted steering oil pump shaft(8)Outside be provided with concentric sleeve(9), the steering assist motor(1)With Power-assisted steering oil pump(7)And controller(3)It is electrically connected with, the controller(3)It is electrically connected with CAN.
A kind of 2. brshless DC motor driving power-assisted steering device with reductor according to claim 1, it is characterised in that: The helical gear reducer(5)With steering assist motor(1)Pass through steering assist motor axle(4)Rotation connection.
A kind of 3. brshless DC motor driving power-assisted steering device with reductor according to claim 1, it is characterised in that: The controller(3)With steering assist motor(1)It is bolted to connection.
A kind of 4. brshless DC motor driving power-assisted steering device with reductor according to claim 1, it is characterised in that: The power-assisted steering oil pump shaft(8)With helical tooth speed reducer axle(10)Pass through concentric sleeve(9)It is fixedly connected.
A kind of 5. brshless DC motor driving power-assisted steering device with reductor according to claim 1, it is characterised in that: The helical tooth speed reducer shell body(6)With helical gear reducer(5)It is bolted to connection.
CN201720578296.4U 2017-05-23 2017-05-23 A kind of brshless DC motor driving power-assisted steering device with reductor Expired - Fee Related CN206766112U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720578296.4U CN206766112U (en) 2017-05-23 2017-05-23 A kind of brshless DC motor driving power-assisted steering device with reductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720578296.4U CN206766112U (en) 2017-05-23 2017-05-23 A kind of brshless DC motor driving power-assisted steering device with reductor

Publications (1)

Publication Number Publication Date
CN206766112U true CN206766112U (en) 2017-12-19

Family

ID=60640858

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720578296.4U Expired - Fee Related CN206766112U (en) 2017-05-23 2017-05-23 A kind of brshless DC motor driving power-assisted steering device with reductor

Country Status (1)

Country Link
CN (1) CN206766112U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171219

Termination date: 20210523