CN109291987A - A kind of New Low Voltage auxiliary drive control system - Google Patents
A kind of New Low Voltage auxiliary drive control system Download PDFInfo
- Publication number
- CN109291987A CN109291987A CN201811162421.9A CN201811162421A CN109291987A CN 109291987 A CN109291987 A CN 109291987A CN 201811162421 A CN201811162421 A CN 201811162421A CN 109291987 A CN109291987 A CN 109291987A
- Authority
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- China
- Prior art keywords
- controller
- low pressure
- steering pump
- frequency converter
- steering
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
-
- 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
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
Abstract
A kind of New Low Voltage auxiliary drive control system, including entire car controller, power battery, five in one controller, double winding steering pump and battery, the power battery connects five in one controller by high voltage cable, is provided with contactor KM on power battery and the positive lead cable of five in one controller1, contactor KM2, fuse FU1With preliminary filling resistance R, wherein contactor KM1With fuse FU1For main positive circuit, fuse FU1With preliminary filling resistance R based on positive precharging circuit, five in one controller is connect by CAN bus with entire car controller, five in one controller connect with double winding steering pump and controls the start and stop of double winding steering pump by three-phase circuit, and the battery is electrically connected with entire car controller and five in one controller respectively.The present invention uses double winding steering pump, can still provide power steering after full-vehicle steering system high pressure loss, have enough time so that vehicle can be rested in safe place by driver, improve the safety of vehicle.
Description
Technical field
The invention belongs to technical field of new energy, specifically, being related to a kind of New Low Voltage auxiliary drive control system.
Background technique
New-energy automobile refer to using unconventional vehicle fuel as a source of power (or using conventional vehicle fuel,
Using new vehicle-mounted power plant), the dynamic Control of comprehensive vehicle and the advanced technology of driving aspect, the technical principle elder generation of formation
Into, the automobile with new technology, new construction, with the exhaustion and the pollution of environment of the energy, new-energy automobile is increasingly by people
It is of interest.
Power steering on new-energy automobile is realized by being driven by electricity, and is generally used on new-energy automobile at present
The control device being driven by electricity be five in one controller, the steering pump frequency converter in five in one controller is that more next control turns
Work to oil pump frequency converter, when there is catastrophe failure in the steering pump frequency converter in five in one controller can not normal work
When making, entire new energy automobile will lose power steering suddenly, if vehicle during high-speed cruising or needs to turn at this time
When, there will be biggish security risks.
Power steering can be still provided after losing in order to ensure full-vehicle steering system high pressure, has enough time so that driver
Vehicle can be rested in safe place, improve the safety of vehicle, the present invention provides following technical schemes.
Summary of the invention
The purpose of the present invention is to provide a kind of New Low Voltage auxiliary drive control systems.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of New Low Voltage auxiliary drive control system, including the control of entire car controller, instrument, power battery, five in one
Device, double winding steering pump and battery, the power battery by high voltage cable connect five in one controller, power battery with
Contactor KM is provided on the positive lead cable of five in one controller1, contactor KM2, fuse FU1With preliminary filling resistance R,
Middle contactor KM1With fuse FU1For main positive circuit, fuse FU1With preliminary filling resistance R based on positive precharging circuit, five in one control
Device is connect by CAN bus with entire car controller, and five in one controller is connected by three-phase circuit and double winding steering pump
The start and stop of double winding steering pump are connect and control, the battery is electrically connected with entire car controller and five in one controller respectively；
High-voltage winding and low pressure winding are equipped with inside the double winding steering pump；
The five in one controller includes that electric machine controller, steering pump frequency converter, low pressure controller and DC/DC voltage become
Frequency device, described electric machine controller one end pass through fuse FU4It is connect with power battery, the other end intersects with main drive motor by three
Current circuit connection, steering pump frequency converter one end pass through fuse FU2It is electrically connected with power battery, the other end and double winding turn to
High-voltage winding inside oil pump is connected by three-phase circuit, and double steering oil pump frequency converter is electrically connected with power battery, described
Low pressure controller one end is electrically connected with battery, and the other end passes through the low pressure inside three-phase circuit and double winding steering pump
Winding connection, the electric machine controller, steering pump frequency converter and low pressure controller pass through CAN line communication connection；
The battery is electrically connected by DC/DC voltage transducer one end with power battery, and the other end is electrically connected with battery
It connects.
As further scheme of the invention, the electric machine controller in the five in one controller acquires main drive motor speed
And acquired revolving speed is transmitted to steering pump frequency converter and low pressure controller by CAN bus.
As further scheme of the invention, low pressure auxiliary control drive system carries out the mode packet of auxiliary drive control
Include following steps:
When vehicle operates normally, steering pump frequency converter receives steering start command transmitted by entire car controller
It afterwards, is " starting " by CAN bus feedback " turning to start and stop state ", steering pump frequency converter full power operation provides for vehicle to be turned
To power-assisted, low pressure controller is standby mode at this time；
When catastrophe failure, which occurs, in steering pump frequency converter can not work normally, the judgement of steering pump frequency converter is current " to be turned
To start and stop state " be " starting " and detect " main drive motor speed " transmitted by electric machine controller be greater than 200r/min when, turn to
It is " starting " state that oil pump frequency converter, which sends " low pressure steering start and stop " to low pressure controller by CAN bus,；
After low pressure controller starting, low pressure controller passes through CAN bus to steering pump frequency converter feedback information " low pressure work
Make state " it is " RUN ", low pressure controller full power operation, when steering pump frequency converter detects that main drive motor speed is less than
After 100r/min or low pressure controller persistently start 35s, steering pump frequency converter is sent by CAN bus to low pressure controller
" low pressure steering start and stop " are " stopping ", and low pressure controller is shut down；
When the continuous 1s of steering pump frequency converter can't detect " the main drive motor speed " that electric machine controller is issued, turn to
Oil pump frequency converter is handled by " the main drive motor speed " that the effective electric machine controller finally received is issued, if electric machine controller
" main drive motor speed " Information recovering issued, then at newest " the main drive motor speed " information by electric machine controller transmission
Reason；
When the continuous 1s of low pressure controller can't detect " low pressure steering start and stop " order that steering pump frequency converter is issued,
If detecting, " main drive motor speed " transmitted by electric machine controller is greater than 200r/min, and low pressure controller starts and to pass through CAN total
Line feedback information " operating on low voltage state " is " RUN ", after low pressure controller starting, is shut down after the 35s that is delayed；
When the continuous 1s of low pressure controller can't detect " low pressure steering start and stop " order that steering pump frequency converter issued and
" the main drive motor speed " that electric machine controller is issued, then low pressure controller is sent out by the effective electric machine controller finally received
" main drive motor speed " processing out, if " main drive motor speed " Information recovering that electric machine controller is issued, by motor control
Newest " the main drive motor speed " information processing that device processed is sent.
As further scheme of the invention, when catastrophe failure, which occurs, in steering pump frequency converter can not work normally, institute
It states steering pump frequency converter and three-level fault and corresponding error code is reported by CAN bus.
As further scheme of the invention, the low pressure controller passes through CAN bus feedback information " operating on low voltage shape
When state " is " RUN " to instrument, instrument does sound-light alarm according to this state.
Beneficial effects of the present invention:
The present invention uses double winding steering pump, can still provide power steering after full-vehicle steering system high pressure loss,
It has enough time so that vehicle can be rested in safe place by driver, improves the safety of vehicle.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel all other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
A kind of New Low Voltage auxiliary drive control system, as shown in Figure 1, including entire car controller, power battery, five in one
Controller, double winding steering pump and battery, the power battery connect five in one controller, power electric by high voltage cable
Contactor KM is provided on the positive lead cable of pond and five in one controller1, contactor KM2, fuse FU1With preliminary filling resistance
R, wherein contactor KM1With fuse FU1For main positive circuit, fuse FU1With preliminary filling resistance R based on positive precharging circuit, five in one
Controller is connect by CAN bus with entire car controller, and five in one controller passes through three-phase circuit and double winding steering oil
Pump connects and controls the start and stop of double winding steering pump, and the battery is electrically connected with entire car controller and five in one controller respectively
It connects.
High-voltage winding and low pressure winding are equipped with inside the double winding steering pump.
The five in one controller includes that electric machine controller, steering pump frequency converter, low pressure controller and DC/DC voltage become
Frequency device, described electric machine controller one end pass through fuse FU4It is connect with power battery, the other end intersects with main drive motor by three
Current circuit connection, steering pump frequency converter one end pass through fuse FU2It is electrically connected with power battery, the other end and double winding turn to
High-voltage winding inside oil pump is connected by three-phase circuit, and double steering oil pump frequency converter is electrically connected with power battery, described
Low pressure controller one end is electrically connected with battery, and the other end passes through the low pressure inside three-phase circuit and double winding steering pump
Winding connection, the electric machine controller, steering pump frequency converter and low pressure controller pass through CAN line communication connection；
The battery is electrically connected by DC/DC voltage transducer one end with power battery, and the other end is electrically connected with battery
It connects；
The high voltage direct current inversion that the steering pump frequency converter is used to be inputted power battery is after three-phase alternating current
Supply double winding steering pump simultaneously controls double winding steering pump, and the low pressure controller is for receiving steering pump change
The start stop command of frequency device and be on startup to supply double wrap after three-phase alternating current by low-voltage DC inversion that battery is inputted
Group steering pump simultaneously controls double winding steering pump；
Electric machine controller in the five in one controller is for acquiring main drive motor speed and passing through acquired revolving speed
CAN bus is transmitted to steering pump frequency converter and low pressure controller.
The mode that low pressure auxiliary control drive system carries out auxiliary drive control includes the following steps:
When vehicle operates normally, steering pump frequency converter receives steering start command transmitted by entire car controller
It afterwards, is " starting " by CAN bus feedback " turning to start and stop state ", steering pump frequency converter full power operation provides for vehicle to be turned
To power-assisted, low pressure controller is standby mode at this time；
When catastrophe failure, which occurs, in steering pump frequency converter can not work normally, the judgement of steering pump frequency converter is current " to be turned
To start and stop state " be " starting " and detect " main drive motor speed " transmitted by electric machine controller be greater than 200r/min when, turn to
It is " starting " state that oil pump frequency converter, which sends " low pressure steering start and stop " to low pressure controller by CAN bus,；
After low pressure controller starting, low pressure controller passes through CAN bus to steering pump frequency converter feedback information " low pressure work
Make state " it is " RUN ", low pressure controller full power operation, when steering pump frequency converter detects that main drive motor speed is less than
After 100r/min or low pressure controller persistently start 35s, steering pump frequency converter is sent by CAN bus to low pressure controller
" low pressure steering start and stop " are " stopping ", and low pressure controller is shut down；
When the continuous 1s of steering pump frequency converter can't detect " the main drive motor speed " that electric machine controller is issued, turn to
Oil pump frequency converter is handled by " the main drive motor speed " that the effective electric machine controller finally received is issued, if electric machine controller
" main drive motor speed " Information recovering issued, then at newest " the main drive motor speed " information by electric machine controller transmission
Reason；
When the continuous 1s of low pressure controller can't detect " low pressure steering start and stop " order that steering pump frequency converter is issued,
If detecting, " main drive motor speed " transmitted by electric machine controller is greater than 200r/min, and low pressure controller starts and to pass through CAN total
Line feedback information " operating on low voltage state " is " RUN ", after low pressure controller starting, is shut down after the 35s that is delayed；
When the continuous 1s of low pressure controller can't detect " low pressure steering start and stop " order that steering pump frequency converter issued and
" the main drive motor speed " that electric machine controller is issued, then low pressure controller is sent out by the effective electric machine controller finally received
" main drive motor speed " processing out, if " main drive motor speed " Information recovering that electric machine controller is issued, by motor control
Newest " the main drive motor speed " information processing that device processed is sent.
When low pressure controller is " RUN " by CAN bus feedback information " operating on low voltage state ", instrument does acousto-optic report
It is alert, remind driver vehicle to be accommodated to safe place.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from the present invention
Structure or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (5)
1. a kind of New Low Voltage auxiliary drive control system, which is characterized in that including entire car controller, instrument, power battery, five
In-one controller, double winding steering pump and battery, the power battery connect five in one controller by high voltage cable, move
Contactor KM is provided on the positive lead cable of power battery and five in one controller1, contactor KM2, fuse FU1With preliminary filling
Resistance R, wherein contactor KM1With fuse FU1For main positive circuit, fuse FU1With preliminary filling resistance R based on positive precharging circuit, five
In-one controller is connect by CAN bus with entire car controller, and five in one controller is turned by three-phase circuit and double winding
Connect and control the start and stop of double winding steering pump to oil pump, the battery respectively with entire car controller and five in one controller
Electrical connection；
High-voltage winding and low pressure winding are equipped with inside the double winding steering pump；
The five in one controller includes electric machine controller, steering pump frequency converter, low pressure controller and DC/DC voltage frequency conversion
Device, described electric machine controller one end pass through fuse FU4It is connect with power battery, the other end and main drive motor pass through three-phase alternating current
Circuit connection, steering pump frequency converter one end pass through fuse FU2It is electrically connected with power battery, the other end and double winding steering oil
High-voltage winding inside pump is connected by three-phase circuit, and double steering oil pump frequency converter is electrically connected with power battery, described low
Pressure controller one end is electrically connected with battery, the other end by the low pressure inside three-phase circuit and double winding steering pump around
Group connection, the electric machine controller, steering pump frequency converter and low pressure controller pass through CAN line communication connection；
The battery is electrically connected by DC/DC voltage transducer one end with power battery, and the other end is electrically connected with battery.
2. a kind of New Low Voltage auxiliary drive control system according to claim 1, which is characterized in that the five in one control
Electric machine controller in device processed acquires main drive motor speed and acquired revolving speed is transmitted to steering pump frequency conversion by CAN bus
Device and low pressure controller.
3. a kind of New Low Voltage auxiliary drive control system according to claim 1, which is characterized in that low pressure auxiliary control
The mode that drive system processed carries out auxiliary drive control includes the following steps:
When vehicle operates normally, after steering pump frequency converter receives steering start command transmitted by entire car controller, lead to
Crossing CAN bus feedback " turning to start and stop state " is " starting ", and steering pump frequency converter full power operation provides steering for vehicle and helps
Power, low pressure controller is standby mode at this time；
When catastrophe failure, which occurs, in steering pump frequency converter can not work normally, the judgement of steering pump frequency converter is current, and " steering is opened
Stop state " be " starting " and detect " main drive motor speed " transmitted by electric machine controller be greater than 200r/min when, steering pump
It is " starting " state that frequency converter, which sends " low pressure steering start and stop " to low pressure controller by CAN bus,；
After low pressure controller starting, low pressure controller passes through CAN bus to steering pump frequency converter feedback information " operating on low voltage shape
State " is " RUN ", low pressure controller full power operation, when steering pump frequency converter detects that main drive motor speed is less than 100r/
After min or low pressure controller persistently start 35s, steering pump frequency converter sends " low pressure turn to low pressure controller by CAN bus
To start and stop " it is " stopping ", low pressure controller is shut down；
When the continuous 1s of steering pump frequency converter can't detect " the main drive motor speed " that electric machine controller is issued, steering pump
Frequency converter is handled by " the main drive motor speed " that the effective electric machine controller finally received is issued, if electric machine controller is sent out
" main drive motor speed " Information recovering out, then newest " the main drive motor speed " information processing sent by electric machine controller；
When the continuous 1s of low pressure controller can't detect " low pressure steering start and stop " order that steering pump frequency converter is issued, if inspection
" main drive motor speed " transmitted by electric machine controller is measured greater than 200r/min, low pressure controller starts and to pass through CAN bus anti-
Feedforward information " operating on low voltage state " is " RUN ", after low pressure controller starting, is shut down after the 35s that is delayed；
When the continuous 1s of low pressure controller can't detect " low pressure steering start and stop " order and motor that steering pump frequency converter is issued
" the main drive motor speed " that controller is issued, then low pressure controller is issued by the effective electric machine controller finally received
" main drive motor speed " processing, if " main drive motor speed " Information recovering that electric machine controller is issued, by electric machine controller
Newest " the main drive motor speed " information processing sent.
4. a kind of New Low Voltage auxiliary drive control system according to claim 2, which is characterized in that when steering pump becomes
When frequency device catastrophe failure occurs and can not work normally, the steering pump frequency converter reports three-level fault and right by CAN bus
Answer error code.
5. a kind of New Low Voltage auxiliary drive control system according to claim 2, which is characterized in that the low voltage control
Device by CAN bus feedback information " operating on low voltage state " be " RUN " to instrument when, instrument does sound-light alarm according to this state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811162421.9A CN109291987A (en) | 2018-09-30 | 2018-09-30 | A kind of New Low Voltage auxiliary drive control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811162421.9A CN109291987A (en) | 2018-09-30 | 2018-09-30 | A kind of New Low Voltage auxiliary drive control system |
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| CN109291987A true CN109291987A (en) | 2019-02-01 |
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| CN201811162421.9A Pending CN109291987A (en) | 2018-09-30 | 2018-09-30 | A kind of New Low Voltage auxiliary drive control system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109733471A (en) * | 2019-03-01 | 2019-05-10 | 安徽安凯汽车股份有限公司 | A kind of intelligent steering system |
| CN110541446A (en) * | 2019-09-09 | 2019-12-06 | 山东中叉重工机械有限公司 | Electrical control system for 5-ton electric loader |
| CN110588367A (en) * | 2019-09-12 | 2019-12-20 | 安徽合力股份有限公司 | High-voltage lithium battery forklift control system and control method thereof |
| CN110588378A (en) * | 2019-09-09 | 2019-12-20 | 山东中叉重工机械有限公司 | Hybrid power supply type electrical control management system for electric engineering machinery |
| CN111267617A (en) * | 2020-03-30 | 2020-06-12 | 郑州精益达汽车零部件有限公司 | Power management system and control method based on five-in-one motor controller |
| CN112319243A (en) * | 2020-10-12 | 2021-02-05 | 安徽江淮银联重型工程机械有限公司 | Vehicle with emergent function of moving |
| CN113460153A (en) * | 2020-03-31 | 2021-10-01 | 比亚迪股份有限公司 | Steering motor control method, steering motor controller, vehicle, and storage medium |
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