CN106240500B - Conversion system of high-pressure steering pump and low-pressure steering pump of pure electric vehicle - Google Patents
Conversion system of high-pressure steering pump and low-pressure steering pump of pure electric vehicle Download PDFInfo
- Publication number
- CN106240500B CN106240500B CN201610677491.2A CN201610677491A CN106240500B CN 106240500 B CN106240500 B CN 106240500B CN 201610677491 A CN201610677491 A CN 201610677491A CN 106240500 B CN106240500 B CN 106240500B
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- Prior art keywords
- steering pump
- pressure steering
- hall sensor
- output end
- communication module
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- 238000006243 chemical reaction Methods 0.000 title abstract 3
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims description 27
- 238000007689 inspection Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 238000012546 transfer Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Classifications
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- 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
- B60R16/03—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 supply of electrical power to vehicle subsystems or for
-
- 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
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
-
- 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
- B62D5/062—Details, component parts
- B62D5/064—Pump driven independently from vehicle engine, e.g. electric driven pump
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Power Steering Mechanism (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
The invention discloses a conversion system of a high-pressure steering pump and a low-pressure steering pump of a pure electric vehicle, which belongs to the technical field of electric vehicles and comprises a battery management system BMS, a vehicle control unit, a current detection module, a Hall sensor, the high-pressure steering pump and the low-pressure steering pump, so that seamless conversion between the high-pressure steering pump and the low-pressure steering pump of the pure electric vehicle is realized, the high-pressure steering pump and the low-pressure steering pump can be simultaneously installed on the pure electric vehicle, and the danger caused by the fact that the high-pressure steering pump cannot work is avoided.
Description
Technical field
The invention belongs to electric vehicle engineering fields.
Background technique
The swift and violent development of country's pure electric automobile at present, some it is electronic it is automobile-used be high pressure steering pump, some
It is low pressure steering pump, if in the process of moving, high pressure steering pump is suddenly because high-voltage electricity is disconnected, cisco unity malfunction,
This is an extremely hazardous thing.
Automobile power-assisted steering pump and diverter collectively constitute automobile power steering system, and driving automobile steering roller realizes automobile
Turning function.Power assistance pump for steering has high pressure and two kinds of low pressure, and high input voltage is to be given by power battery by high-voltage cage, and low pressure is defeated
Entering is given by the small storage battery of low pressure, and present pure electric automobile is substantially all using one of power assistance pump for steering.
Summary of the invention
The object of the present invention is to provide the converting systems of a kind of pure electric automobile high pressure steering pump and low pressure steering pump, realize
Bumpless transfer between the high pressure steering pump and low pressure steering pump of pure electric automobile, makes that height can be installed on pure electric automobile simultaneously
Steering pump and low pressure steering pump are pressed, the generation of bring danger due to high pressure steering pump cannot work is avoided.
To achieve the above object, the invention adopts the following technical scheme:
A kind of converting system of pure electric automobile high pressure steering pump and low pressure steering pump, including it is battery management system BMS, whole
Vehicle controller, current detection module, Hall sensor, high pressure steering pump and low pressure steering pump, battery management system BMS are equipped with
380V voltage output end, the 380V voltage output end are connect with high pressure steering pump, are additionally provided on the 380V voltage output end
Hall sensor, Hall sensor are equipped with signal output end, and the signal output end of Hall sensor connects current detection module, electricity
Stream detection module is also connect with entire car controller, and entire car controller is equipped with 12V voltage output end, and the 12V voltage output end connects
Connect low pressure steering pump；
The entire car controller include the first main control chip, the first CAN communication module, 12V power supply, electric power driving module and
Power drives output interface, the first CAN communication module and electric power driving module are all connected with the first main control chip, and 12V power supply is the
One main control chip, the first CAN communication module and electric power driving module power supply, electric power driving module connection power drives output connect
Mouthful, the power drives output interface is the 12V voltage output end of entire car controller；
The current detection module includes the second main control chip, Hall sensor signal input interface, amplifying circuit and the
Two CAN communication module, Hall sensor signal input interface connect amplifying circuit, and amplifying circuit connects the second main control chip, and second
Main control chip connects the second CAN communication module, and the second CAN communication module connects first CAN communication module, Hall sensor
The signal output end of signal input interface connection Hall sensor.
The Hall sensor signal input interface is DC4-20mA signal input part.
First main control chip and second main control chip are ARM9 controller.
The model of first CAN communication module and second CAN communication module is P87C591.
The electric power driving module is relay.
The converting system of a kind of pure electric automobile high pressure steering pump and low pressure steering pump of the present invention, realizes pure electricity
Bumpless transfer between the high pressure steering pump and low pressure steering pump of electrical automobile makes that high pressure steering can be installed on pure electric automobile simultaneously
Pump and low pressure steering pump, avoid the generation of bring danger due to high pressure steering pump cannot work；The present invention turns to low pressure
The control unit of pump is divided into current detection module and entire car controller, facilitates later maintenance and repair.
Detailed description of the invention
Fig. 1 is hardware elementary diagram block diagram of the invention；
Fig. 2 is the schematic diagram block diagram of entire car controller of the invention；
Fig. 3 is the schematic diagram block diagram of current detection module of the invention.
Specific embodiment
The converting system of a kind of pure electric automobile high pressure steering pump and low pressure steering pump as shown in Figs. 1-3, including battery
Management system BMS (the battery management system BMS be the prior art, admittedly be not described in detail), entire car controller, current detecting mould
Block, Hall sensor (Hall sensor is the prior art, admittedly be not described in detail), (high pressure turns to high pressure steering pump
Pump is the prior art, admittedly be not described in detail) and low pressure steering pump (the low pressure steering pump is the prior art, Gu it does not chat in detail
State), battery management system BMS is equipped with 380V voltage output end, and the 380V voltage output end is connect with high pressure steering pump, described
Hall sensor is additionally provided on 380V voltage output end, Hall sensor is equipped with signal output end, and the signal of Hall sensor is defeated
Outlet connects current detection module, and current detection module is also connect with entire car controller, and entire car controller is equipped with 12V voltage output
End, the 12V voltage output end connect low pressure steering pump；
The entire car controller include the first main control chip, the first CAN communication module, 12V power supply, electric power driving module and
Power drives output interface, the first CAN communication module and electric power driving module are all connected with the first main control chip, and 12V power supply is the
One main control chip, the first CAN communication module and electric power driving module power supply, electric power driving module connection power drives output connect
Mouthful, the power drives output interface is the 12V voltage output end of entire car controller；
The current detection module includes the second main control chip, Hall sensor signal input interface, amplifying circuit and the
Two CAN communication module, Hall sensor signal input interface connect amplifying circuit, and amplifying circuit connects the second main control chip, and second
Main control chip connects the second CAN communication module, and the second CAN communication module connects first CAN communication module, Hall sensor
The signal output end of signal input interface connection Hall sensor.
The Hall sensor signal input interface is DC4-20mA signal input part.
First main control chip and second main control chip are ARM9 controller.
The model of first CAN communication module and second CAN communication module is P87C591.
The electric power driving module is relay.
When work, electric car preferentially uses high pressure steering pump, and the electricity of high pressure steering pump in normally travel first
Source is provided by battery management system BMS, and Hall sensor then monitors the output voltage of battery management system BMS in real time, and will
The output voltage values of battery management system BMS are sent to current detection module, and current detection module is by battery management system BMS's
Output voltage values are converted into digital voltage data, and the digital voltage data is sent to entire car controller by CAN bus,
Entire car controller is according to the digital voltage data to determine whether the power supply of connection low pressure steering pump, works as battery management
When system BMS failure or vehicle-loaded battery electricity quantity deficiency, vehicle control unit controls electric power driving module is connected low pressure and is turned to
The power supply of pump, low pressure steering pump replace high pressure to turn to pump work.
The converting system of a kind of pure electric automobile high pressure steering pump and low pressure steering pump of the present invention, realizes pure electricity
Bumpless transfer between the high pressure steering pump and low pressure steering pump of electrical automobile makes that high pressure steering can be installed on pure electric automobile simultaneously
Pump and low pressure steering pump, avoid the generation of bring danger due to high pressure steering pump cannot work；The present invention turns to low pressure
The control unit of pump is divided into current detection module and entire car controller, facilitates later maintenance and repair.
Claims (5)
1. a kind of converting system of pure electric automobile high pressure steering pump and low pressure steering pump, it is characterised in that: including battery management
System BMS, entire car controller, current detection module, Hall sensor, high pressure steering pump and low pressure steering pump, battery management system
The BMS that unites is equipped with 380V voltage output end, and the 380V voltage output end is connect with high pressure steering pump, the 380V voltage output end
On be additionally provided with Hall sensor, Hall sensor is equipped with signal output end, the signal output end connection electric current inspection of Hall sensor
Module is surveyed, current detection module is also connect with entire car controller, and entire car controller is equipped with 12V voltage output end, the 12V voltage
Output end connects low pressure steering pump；
The entire car controller includes the first main control chip, the first CAN communication module, 12V power supply, electric power driving module and power supply
Output interface is driven, the first CAN communication module and electric power driving module are all connected with the first main control chip, and 12V power supply is first main
It controls chip, the first CAN communication module and electric power driving module power supply, electric power driving module and connects power drives output interface, institute
State the 12V voltage output end that power drives output interface is entire car controller；
The current detection module includes the second main control chip, Hall sensor signal input interface, amplifying circuit and the 2nd CAN
Communication module, Hall sensor signal input interface connect amplifying circuit, and amplifying circuit connects the second main control chip, the second master control core
Piece connects the second CAN communication module, and the second CAN communication module connects first CAN communication module, and Hall sensor signal is defeated
The signal output end of incoming interface connection Hall sensor.
2. a kind of converting system of pure electric automobile high pressure steering pump and low pressure steering pump as described in claim 1, feature
Be: the Hall sensor signal input interface is DC4-20mA signal input part.
3. a kind of converting system of pure electric automobile high pressure steering pump and low pressure steering pump as described in claim 1, feature
Be: first main control chip and second main control chip are ARM9 controller.
4. a kind of converting system of pure electric automobile high pressure steering pump and low pressure steering pump as described in claim 1, feature
Be: the model of first CAN communication module and second CAN communication module is P87C591.
5. a kind of converting system of pure electric automobile high pressure steering pump and low pressure steering pump as described in claim 1, feature
Be: the electric power driving module is relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610677491.2A CN106240500B (en) | 2016-08-17 | 2016-08-17 | Conversion system of high-pressure steering pump and low-pressure steering pump of pure electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610677491.2A CN106240500B (en) | 2016-08-17 | 2016-08-17 | Conversion system of high-pressure steering pump and low-pressure steering pump of pure electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106240500A CN106240500A (en) | 2016-12-21 |
| CN106240500B true CN106240500B (en) | 2019-01-08 |
Family
ID=57592242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610677491.2A Active CN106240500B (en) | 2016-08-17 | 2016-08-17 | Conversion system of high-pressure steering pump and low-pressure steering pump of pure electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106240500B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2838308A1 (en) * | 2014-01-03 | 2015-07-03 | Thomson Power, Inc. | Electric vehicle power steering pump control system |
| CN104002857B (en) * | 2014-05-27 | 2016-06-22 | 中通客车控股股份有限公司 | Plug-in hybrid passenger car mechanical-electric coupling servo steering system and control method thereof |
| CN204750274U (en) * | 2015-04-30 | 2015-11-11 | 郑州宇通客车股份有限公司 | [electric] motor coach and electronic power -assisted steering system thereof |
| CN205131351U (en) * | 2015-12-04 | 2016-04-06 | 广西玉柴机器股份有限公司 | Electrical power assisted steering system |
| CN206243101U (en) * | 2016-08-17 | 2017-06-13 | 江苏卡威汽车研究院有限公司 | A kind of converting system of pure electric automobile high pressure steering pump and low pressure steering pump |
-
2016
- 2016-08-17 CN CN201610677491.2A patent/CN106240500B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106240500A (en) | 2016-12-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181130 Address after: 212323 Kawei Industrial Park, Jiepai Town, Danyang City, Zhenjiang City, Jiangsu Province Applicant after: Jiangsu Kawei auto industry group Limited by Share Ltd Address before: 212323 Kawei Industrial Park, Jiepai Town, Danyang City, Zhenjiang City, Jiangsu Province Applicant before: Jiangsu Kawei Automobile Research Institute Co., Ltd. |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220525 Address after: 212300 East Village, Jie Pai Town, Danyang City, Zhenjiang, Jiangsu Patentee after: Jiangsu Huazi Automobile Industry Co.,Ltd. Address before: 212323 Kawei Industrial Park, Jiepai Town, Danyang City, Zhenjiang City, Jiangsu Province Patentee before: JIANGSU KAWEI AUTOMOBILE INDUSTRY GROUP Co.,Ltd. |