CN206926717U - A kind of EPS of changeable power steering pattern - Google Patents

A kind of EPS of changeable power steering pattern Download PDF

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Publication number
CN206926717U
CN206926717U CN201720867736.8U CN201720867736U CN206926717U CN 206926717 U CN206926717 U CN 206926717U CN 201720867736 U CN201720867736 U CN 201720867736U CN 206926717 U CN206926717 U CN 206926717U
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CN
China
Prior art keywords
fet
chip microcomputer
module
electrically connected
control port
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
CN201720867736.8U
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Chinese (zh)
Inventor
高登宇
龚中杰
于涛
郑培健
夏增芳
刘汝和
王丙辉
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.)
Shandong Meilade Energy & Power Technology Co Ltd
Original Assignee
Shandong Meilade Energy & Power 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 Shandong Meilade Energy & Power Technology Co Ltd filed Critical Shandong Meilade Energy & Power Technology Co Ltd
Priority to CN201720867736.8U priority Critical patent/CN206926717U/en
Application granted granted Critical
Publication of CN206926717U publication Critical patent/CN206926717U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of EPS of changeable power steering pattern, including control module ECU, steering column tube, motor, clutch, reducing gear and torque sensor are the utility model is related to, control module ECU is connected by CAN and vehicle-mounted computer communication;Control module ECU includes single-chip microcomputer, the single-chip microcomputer electrically connects with power module, single-chip microcomputer is also electrically connected with ignition switch, torque sensor passes through amplification module and the monolithic mechatronics, single-chip microcomputer also includes the first control port and the second control port, first control port and the second control port are electrically connected to drive module, and the serial ports of single-chip microcomputer is electrically connected with CAN module.The utility model can be communicated by CAN and vehicle-mounted computer, obtain GES and mode signal, the switching of power steering pattern is realized according to model selection, the electric current for automatically controlling controlled motor according to power-assisted curve is provided convenience so as to provide power-assisted for Vehicular turn for the steering operation of driver.

Description

A kind of EPS of changeable power steering pattern
Technical field
It the utility model is related to Control of Electric Vehicles technical field, more particularly to a kind of changeable power steering pattern EPS.
Background technology
With the development of electric vehicle engineering, many vehicles are by electronic power assist steering in current low-speed electronic automobile market Tubing string EPS is as standard configuration, to meet market major part consumer demand.But the different consumer of in the market is according to different road conditions In the case of it is different to steering force demand, the lighter steering force of operator demand comes fatigue-relieving sense, outskirts of a town under the low speed road conditions of city Operator demand is steady under high-speed road conditions keeps manipulating sense, and existing EPS is not complete enough to the pattern switching of power steering It is kind.Therefore, it is necessary to develop the electronic power assist steering tubing string assembly of changeable power steering pattern.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of EPS of changeable power steering pattern, energy Enough switch power steering pattern, assist driver to realize steering operation.
In order to solve the above technical problems, the technical solution of the utility model is:A kind of EPS of changeable power steering pattern System, including control module ECU, steering column tube, motor, clutch, reducing gear and torque sensor, the control module ECU is connected by CAN and vehicle-mounted computer communication;The control module ECU includes single-chip microcomputer, and the power supply of the single-chip microcomputer is defeated Enter end to electrically connect with power module, the torque sensor passes through amplification module and the monolithic mechatronics, the single-chip microcomputer Ignition switch is also electrically connected with, the single-chip microcomputer is also included for the first control port of output motor control signal and the second control Port processed, first control port and the second control port are electrically connected to the drive module for motor operating, described The serial ports of single-chip microcomputer is electrically connected with CAN module, and the CAN module is electrically connected to vehicle-mounted computer by CAN.
As preferable technical scheme, the power module includes power supply chip BD4275.
As preferable technical scheme, the drive module includes the first FET, the second FET, the 3rd effect It should manage and be electrically connected to power end with the 4th FET, the drain electrode of first FET and the 3rd FET, described The source electrode of one FET electrically connects with the drain electrode of the second FET, the source electrode of the 3rd FET and the 4th field-effect The drain electrode electrical connection of pipe, the source electrode of second FET and the 4th FET are electrically connected to earth terminal, the single-chip microcomputer The first control port electrically connected with first FET and the second fet gate, the single-chip microcomputer second control Port electrically connects with the 3rd FET and the 4th fet gate, and the motor is connected electrically in first field-effect Between the source electrode of the source electrode of pipe and the 3rd FET.
As preferable technical scheme, first FET, the second FET, the 3rd FET and the 4th The first voltage-regulator diode, the second voltage-regulator diode, the pole of the 3rd voltage stabilizing two have been electrically connected between the drain electrode of effect pipe and source electrode Pipe and the 4th voltage-regulator diode.
As preferable technical scheme, the CAN module includes CAN transceiver chip MC33901.
By adopting the above-described technical solution, the beneficial effects of the utility model are:The utility model can be total by CAN Line communicates with vehicle-mounted computer, obtains GES and mode signal, the switching of power steering pattern is realized according to model selection, The electric current for automatically controlling controlled motor according to power-assisted curve carries so as to provide power-assisted for Vehicular turn for the steering operation of driver Facility is supplied.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the theory diagram of control module ECU in Fig. 1;
Fig. 3 is the circuit theory diagrams of power module in Fig. 2;
Fig. 4 is the circuit theory diagrams of amplification module in Fig. 2;
Fig. 5 is the circuit theory diagrams of motor drive module in Fig. 2;
Fig. 6 is the circuit theory diagrams of CAN module in Fig. 2;
In figure:1- control modules ECU;2- motor;3- torque sensors;4- clutches;5- reducing gears.
Embodiment
As shown in figure 1, a kind of EPS of changeable power steering pattern, including control module ECU1, steering column tube, Motor 2, clutch 4, reducing gear 5 and torque sensor 3, control module ECU1 are communicated by CAN and vehicle-mounted computer Connection.
As shown in Fig. 2 control module ECU includes single-chip microcomputer, the power input of single-chip microcomputer electrically connects with power module, turns round For square sensor by amplification module and monolithic mechatronics, single-chip microcomputer is also electrically connected with ignition switch, and single-chip microcomputer also includes being used for The first control port and the second control port of output motor control signal, the first control port and the second control port electricity The drive module for motor operating is connected to, the serial ports of single-chip microcomputer is electrically connected with CAN module, and CAN module is total by CAN Line is electrically connected to vehicle-mounted computer.
As shown in figure 3, in the present embodiment, power module includes power supply chip BD4275, and power supply chip BD4275 is by 12V's The dc source that dc source is converted into 5V is powered for each component.
As shown in figure 4, torque sensor signal NIUJU_SignalI is electrically connected to amplifier IC1 input in the same direction, warp Signal amplifies, and amplifier IC1 output end NIUJU_SignalO is electrically connected to single-chip microcomputer.
As shown in figure 5, drive module include the first FET Q1, the second FET Q2, the 3rd FET Q3 and 4th FET Q4, the first FET Q1 and the 3rd FET Q3 drain electrode are electrically connected to power end Vcc, first effect Should pipe Q1 source electrode electrically connected with the second FET Q2 drain electrode, the 3rd FET Q3 source electrode and the 4th FET Q4 Drain electrode electrical connection, the second FET Q2 and the 4th FET Q4 source electrode is electrically connected to earth terminal, the first of single-chip microcomputer Control port Ctrl1 electrically connects with the first FET Q1 and the second FET Q2 grids, the second control port of single-chip microcomputer Ctrl2 electrically connects with the 3rd FET Q3 and the 4th FET Q4 grids, and motor is connected electrically in the first FET Q1's Between source electrode and the 3rd FET Q3 source electrode.
First FET Q1, the second FET Q2, the 3rd FET Q3 and the 4th FET Q4 drain electrode and The first voltage-regulator diode VD1, the second voltage-regulator diode VD2, the 3rd voltage-regulator diode VD3 and have been electrically connected between source electrode Four voltage-regulator diode VD4.
As shown in fig. 6, CAN module includes CAN transceiver chip MC33901, CAN transceiver chip MC33901 CAN-H CAN signal is received with CAN-L, CAN transceiver chip MC33901 pin STD, RXD, TXD are electrically connected to single-chip microcomputer.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model Claimed scope is by appended claims and its equivalent thereof.

Claims (5)

1. a kind of EPS of changeable power steering pattern, including control module ECU, steering column tube, motor, clutch, Reducing gear and torque sensor, it is characterised in that:The control module ECU is connected by CAN and vehicle-mounted computer communication; The control module ECU includes single-chip microcomputer, and the power input of the single-chip microcomputer electrically connects with power module, the torque sensing For device by amplification module and the monolithic mechatronics, the single-chip microcomputer is also electrically connected with ignition switch, and the single-chip microcomputer also wraps Include the first control port and the second control port for output motor control signal, first control port and the second control Port is electrically connected to the drive module for motor operating, and the serial ports of the single-chip microcomputer is electrically connected with CAN module, described CAN module is electrically connected to vehicle-mounted computer by CAN.
A kind of 2. EPS of changeable power steering pattern as claimed in claim 1, it is characterised in that:The power supply mould Block includes power supply chip BD4275.
A kind of 3. EPS of changeable power steering pattern as claimed in claim 1, it is characterised in that:The driving mould Block includes the first FET, the second FET, the 3rd FET and the 4th FET, first FET and The drain electrode of 3rd FET is electrically connected to power end, the source electrode of first FET and the drain electrode electricity of the second FET Connection, the source electrode of the 3rd FET electrically connect with the drain electrode of the 4th FET, second FET and the 4th The source electrode of FET is electrically connected to earth terminal, the first control port of the single-chip microcomputer and first FET and second Fet gate electrically connects, the second control port of the single-chip microcomputer and the 3rd FET and the 4th FET grid Pole is electrically connected, and the motor is connected electrically between the source electrode of first FET and the source electrode of the 3rd FET.
A kind of 4. EPS of changeable power steering pattern as claimed in claim 3, it is characterised in that:Described first Has been electrically connected between effect pipe, the second FET, the 3rd FET and the drain electrode of the 4th FET and source electrode One voltage-regulator diode, the second voltage-regulator diode, the 3rd voltage-regulator diode and the 4th voltage-regulator diode.
A kind of 5. EPS of changeable power steering pattern as claimed in claim 1, it is characterised in that:The CAN module Including CAN transceiver chip MC33901.
CN201720867736.8U 2017-07-18 2017-07-18 A kind of EPS of changeable power steering pattern Expired - Fee Related CN206926717U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720867736.8U CN206926717U (en) 2017-07-18 2017-07-18 A kind of EPS of changeable power steering pattern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720867736.8U CN206926717U (en) 2017-07-18 2017-07-18 A kind of EPS of changeable power steering pattern

Publications (1)

Publication Number Publication Date
CN206926717U true CN206926717U (en) 2018-01-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720867736.8U Expired - Fee Related CN206926717U (en) 2017-07-18 2017-07-18 A kind of EPS of changeable power steering pattern

Country Status (1)

Country Link
CN (1) CN206926717U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108556907A (en) * 2018-04-10 2018-09-21 深圳市云图电装系统有限公司 The control method of power steering, apparatus and system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108556907A (en) * 2018-04-10 2018-09-21 深圳市云图电装系统有限公司 The control method of power steering, apparatus and system

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

Granted publication date: 20180126

Termination date: 20200718

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