CN209410155U - The double dynamical steering pumping system of double source for new-energy automobile - Google Patents
The double dynamical steering pumping system of double source for new-energy automobile Download PDFInfo
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- CN209410155U CN209410155U CN201822121943.6U CN201822121943U CN209410155U CN 209410155 U CN209410155 U CN 209410155U CN 201822121943 U CN201822121943 U CN 201822121943U CN 209410155 U CN209410155 U CN 209410155U
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Abstract
The utility model relates to power steering system fields, disclose a kind of double dynamical steering pumping system of the double source for new-energy automobile, including high voltage power supply, low-tension supply, CAN communication module, the double dynamical steering pump installation of double source, executing agency and pressure vessel are turned to, is equipped with high-low voltage power source switching controller, high-tension electric motor fluid-link steering pump group, low-voltage motor fluid-link steering pump group, high-tension electric motor fluid-link steering pump controller and low-voltage motor fluid-link steering pump controller in the double dynamical steering pump installation of double source.The utility model can be in new-energy automobile driving process, when CAN communication module, which receives high voltage power supply circuit, abnormal signal occurs, high-low voltage power source switching controller starts low-voltage motor fluid-link steering pump group, it ensures and disconnects high-tension electric motor fluid-link steering pump controller automatically after low-voltage motor fluid-link steering pump group is run 30 seconds, ensure to turn to pump group continuous and effective, ensures driving safety.
Description
Technical field
The utility model relates to power steering system fields, and in particular to a kind of double source for new-energy automobile is double dynamical
Turn to pumping system.
Background technique
Currently, the drive energy of electric motor coach is mainly power battery, transfer cannot be taken traditional by starting
The hydraulic booster mode of machine driving, and need to be powered by power battery to steering controller, it assists turning using pump motor is turned to
To.Existing scheme steering controller operating voltage generally is specified 600V system, goes out when pure electric coach turns to high tension loop
Existing abnormal conditions: such as fuse melting, relay failure, cutoff high, steering system will fail, if vehicle is travelling at this time
Under situation, there will be security risk.
Utility model content
The technical issues of the utility model solves is to provide a kind of double dynamical steering pump system of dual power supply for ensureing driving safety
System.
The technical scheme adopted by the utility model to solve the technical problem is as follows: the double source for new-energy automobile is double dynamical
Turn to pumping system, including the double dynamical steering pump installation of high voltage power supply, low-tension supply, CAN communication module, double source, steering execution machine
Structure and pressure vessel, the high voltage power supply, low-tension supply and CAN communication module are electrically connected with the double dynamical steering pump installation of double source respectively
It connects, it is in parallel with the double dynamical steering pump installation of double source after the pressure vessel and the series connection of steering executing agency；The double source is double dynamical
Turning to pump installation includes shell and cover board, and shell is collectively formed in shell and cover board, be equipped in the shell to high voltage power supply with it is low
High-low voltage power source switching controller, high-tension electric motor fluid-link steering pump group and the low-voltage motor hydraulic rotation that voltage source switches over
To pump group, the high-low voltage power source switching controller input terminal is electrically connected with high voltage power supply, low-tension supply respectively, high-low voltage power source
The output end of switching controller is electrically connected with high-tension electric motor fluid-link steering pump group, low-voltage motor fluid-link steering pump group respectively,
The high-tension electric motor fluid-link steering pump group and low-voltage motor fluid-link steering pump group are fixed by screws on shell.
Further, being provided with high voltage power supply Wiring port, low on the double dynamical shell for turning to pump installation of the double source
The signal receiving end of voltage source Wiring port and CAN communication module, the input terminal and high-voltage electricity of the high voltage power supply Wiring port
Source electrical connection, the output end of high voltage power supply Wiring port are electrically connected with high-low voltage power source switching controller, and the low-tension supply connects
The input terminal of line end mouth is electrically connected with low-tension supply, the output end and high-low voltage power source switching controller of low-tension supply Wiring port
Electrical connection.
Further, it is additionally provided with high-pressure oil outlet and oil inlet on the double dynamical shell for turning to pump installation of the double source,
Disengaging oily connection mechanism, the disengaging oily connection mechanism point are installed in the shell with high-pressure oil outlet and oil inlet corresponding position
It is not connect with high-tension electric motor fluid-link steering pump group, low-voltage motor fluid-link steering pump group；The high-pressure oil outlet is held with steering
The oil inlet of row mechanism connects, and the oil inlet of the oil outlet and pressure vessel that turn to executing agency connects, pressure vessel it is fuel-displaced
Mouth is connect with oil inlet.
Further, further including the high-tension electric motor hydraulic steering pump control being connect with high-tension electric motor hydraulic steering pump
Device, the low-voltage motor fluid-link steering pump controller connecting with low-voltage motor hydraulic steering pump, the high-tension electric motor are hydraulic
It turns to pump controller and low-voltage motor fluid-link steering pump controller is also respectively connected with and entire car controller, the entire car controller
Also it is connect with CAN communication module.
Further, the high voltage power supply is the battery pack of DC250V-DC750V, the low-tension supply is DC24V storage
Battery.
The beneficial effects of the utility model are: the utility model can work as CAN communication in new-energy automobile driving process
When module receives high voltage power supply circuit and abnormal signal occurs, high-low voltage power source switching controller starts low-voltage motor hydraulic rotation
To pump group, ensures and disconnect the control of high-tension electric motor hydraulic steering pump automatically after low-voltage motor fluid-link steering pump group is run 30 seconds
Device, it is ensured that turn to pump group continuous and effective, ensure driving safety.
Detailed description of the invention
Fig. 1 is the double dynamical steering pump systematic schematic diagram of double source；
Fig. 2 is the double dynamical top view for turning to pump installation and removing cover board of double source；
Fig. 3 is the double dynamical steering pump installation main view of double source.
In the figure, it is marked as 10, high-tension electric motor fluid-link steering pump group；20, low-voltage motor fluid-link steering pump group；30, into
Fuel-displaced connection mechanism；31, oil inlet；32, high-pressure oil outlet；41, high voltage power supply Wiring port；42, low-tension supply Wiring port；
43, signal receiving end.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, be used for new-energy automobile the double dynamical steering pumping system of double source, including high voltage power supply, low-tension supply,
The double dynamical steering pump installation of CAN communication module, double source turns to executing agency and pressure vessel, the high voltage power supply, low-tension supply
It is electrically connected respectively with the double dynamical steering pump installation of double source with CAN communication module, the pressure vessel and the series connection of steering executing agency
Battery pack in parallel with the double dynamical steering pump installation of double source afterwards, that the high voltage power supply in the utility model is DC250V-DC750V is low
Voltage source is DC24V battery；The double dynamical steering pump installation of double source includes shell and cover board, and shell and cover board are collectively formed
Shell, the shell is interior to be equipped with high-low voltage power source switching controller, the high voltage switched over to high voltage power supply and low-tension supply
Motor fluid-link steering pump group 10 and low-voltage motor fluid-link steering pump group 20, the high-low voltage power source switching controller input terminal point
It is not electrically connected with high voltage power supply, low-tension supply, the output end of high-low voltage power source switching controller is hydraulic with high-tension electric motor respectively
Turn to pump group 10, low-voltage motor fluid-link steering pump group 20 is electrically connected, the high-tension electric motor fluid-link steering pump group 10 and low electricity
Medium-voltage Motor fluid-link steering pump group 20 is fixed by screws on shell.
New-energy automobile especially heavy type vehicle or large and medium bus use high voltage power supply circuit in normally travel,
In the case where the state of new-energy automobile ignition switch and the charged state of vehicle generate wake-up signal holding, when CAN communication module connects
When receiving high voltage power supply circuit and abnormal signal occur, high-low voltage power source switching controller starts the fluid-link steering of ancillary low voltage motor
Pump group 20 ensures and disconnects high voltage power supply circuit after low-voltage motor fluid-link steering pump group 20 is run 30 seconds, it is ensured that turns to pump group and hold
It is continuous effective, the normal driving of support vehicles.
On the basis of the above, as shown in Fig. 2, being provided with high voltage power supply on the double dynamical shell for turning to pump installation of the double source
The signal receiving end 43 of Wiring port 41, low-tension supply Wiring port 42 and CAN communication module, high voltage power supply Wiring port 41,
Low-tension supply Wiring port 42 and 43 center of the signal receiving end of CAN communication module are in same horizontal line, the high-voltage electricity
The input terminal of source Wiring port 41 is electrically connected with high voltage power supply, and the output end and high-low voltage power source of high voltage power supply Wiring port 41 turn
Changer controller electrical connection, the input terminal of the low-tension supply Wiring port 42 are electrically connected with low-tension supply, low-tension supply terminals
The output end of mouth 42 is electrically connected with high-low voltage power source switching controller.Setting Wiring port facilitates connection, and later maintenance is easy.
On the basis of the above, as shown in figure 3, to be additionally provided with high pressure fuel-displaced on the double dynamical shell for turning to pump installation of the double source
Mouth 32 and oil inlet 31, the shell is interior to be equipped with disengaging oily connection mechanism with high-pressure oil outlet 32 and 31 corresponding position of oil inlet
30, the disengaging oily connection mechanism 30 respectively with high-tension electric motor fluid-link steering pump group 10, low-voltage motor fluid-link steering pump group
20 connections；The high-pressure oil outlet 32 is connect with the oil inlet 31 for turning to executing agency, turns to the oil outlet and pressure of executing agency
The oil inlet 31 of force container connects, and the oil outlet of pressure vessel is connect with oil inlet 31.The oily means of communication of the disengaging is mounted on
In shell, passes in and out oily means of communication, turns to executing agency, pressure vessel connection forming circuit, pass through high-tension electric motor hydraulic rotation
Make to turn to executing agency's operating to pump group 10 or low-voltage motor fluid-link steering pump group 20.
It on the basis of the above, further include the high-tension electric motor hydraulic steering pump control being connect with high-tension electric motor hydraulic steering pump
Device processed, the low-voltage motor fluid-link steering pump controller being connect with low-voltage motor hydraulic steering pump, the high-tension electric motor liquid
Pressure turns to pump controller and low-voltage motor fluid-link steering pump controller is also respectively connected with and entire car controller, the full-vehicle control
Device is also connect with CAN communication module.The high-tension electric motor fluid-link steering pump controller is used for according to the wake-up signal received
High-tension electric motor hydraulic steering pump is set to enter working condition；The low-voltage motor fluid-link steering pump controller is used for according to reception
To wake-up signal so that low-voltage motor hydraulic steering pump is entered working condition.
The charged state for the state and vehicle that entire car controller is opened according to ignition point generates wake-up signal, in ignition switch
State and the charged state of vehicle, which generate, to be waken up under model holding, and when high pressure power down failure occurs in vehicle, CAN communication module is connect
High voltage fault signal is received, high-low voltage power source switching controller starts ancillary low voltage motor fluid-link steering pump group 20, ensures low
Medium-voltage Motor fluid-link steering pump group disconnects high-voltage motor hydraulic steering pump group controller after running 30 seconds automatically, ensure that steering pump group
Continuous and effective operating, makes vehicle continue safe driving.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that being not limited to this foregoing is merely specific embodiment of the utility model
Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap
Containing being within the protection scope of the utility model.
Claims (5)
1. be used for new-energy automobile the double dynamical steering pumping system of double source, it is characterised in that: including high voltage power supply, low-tension supply,
The double dynamical steering pump installation of CAN communication module, double source turns to executing agency and pressure vessel, the high voltage power supply, low-tension supply
It is electrically connected respectively with the double dynamical steering pump installation of double source with CAN communication module, the pressure vessel and the series connection of steering executing agency
It is in parallel with the double dynamical steering pump installation of double source afterwards；The double dynamical steering pump installation of double source includes shell and cover board, shell and lid
Shell is collectively formed in plate, is equipped with the high-low voltage power source conversion and control switched over to high voltage power supply and low-tension supply in the shell
Device, high-tension electric motor fluid-link steering pump group and low-voltage motor fluid-link steering pump group, the high-low voltage power source switching controller are defeated
Enter end to be electrically connected with high voltage power supply, low-tension supply respectively, the output end of high-low voltage power source switching controller is electric with high voltage respectively
Machine fluid-link steering pump group, the electrical connection of low-voltage motor fluid-link steering pump group, the high-tension electric motor fluid-link steering pump group and low electricity
Medium-voltage Motor fluid-link steering pump group is fixed by screws on shell.
2. being used for the double dynamical steering pumping system of double source of new-energy automobile as described in claim 1, it is characterised in that: described double
High voltage power supply Wiring port, low-tension supply Wiring port and CAN communication mould are provided on the double dynamical shell for turning to pump installation in source
The input terminal of the signal receiving end of block, the high voltage power supply Wiring port is electrically connected with high voltage power supply, high voltage power supply Wiring port
Output end be electrically connected with high-low voltage power source switching controller, the input terminal of the low-tension supply Wiring port and low-tension supply electricity
Connection, the output end of low-tension supply Wiring port are electrically connected with high-low voltage power source switching controller.
3. being used for the double dynamical steering pumping system of double source of new-energy automobile as described in claim 1, it is characterised in that: described double
Be additionally provided with high-pressure oil outlet and oil inlet on the double dynamical shell for turning to pump installation in source, in the shell with high-pressure oil outlet and into
Hydraulic fluid port corresponding position is equipped with the oily connection mechanism of disengaging, disengaging oil connection mechanism respectively with high-tension electric motor hydraulic steering pump
Group, the connection of low-voltage motor fluid-link steering pump group；The high-pressure oil outlet is connect with the oil inlet for turning to executing agency, and steering is held
The oil outlet of row mechanism and the oil inlet of pressure vessel connect, and the oil outlet of pressure vessel is connect with oil inlet.
4. being used for the double dynamical steering pumping system of double source of new-energy automobile as described in claim 1, it is characterised in that: further include
The high-tension electric motor fluid-link steering pump controller and low-voltage motor hydraulic steering pump being connect with high-tension electric motor hydraulic steering pump
The low-voltage motor fluid-link steering pump controller of connection, the high-tension electric motor fluid-link steering pump controller and low-voltage motor liquid
Pressure steering pump controller is also respectively connected with and entire car controller, the entire car controller are also connect with CAN communication module.
5. being used for the double dynamical steering pumping system of double source of new-energy automobile as described in claim 1, it is characterised in that: the height
Voltage source is the battery pack of DC250V-DC750V, and the low-tension supply is DC24V battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822121943.6U CN209410155U (en) | 2018-12-18 | 2018-12-18 | The double dynamical steering pumping system of double source for new-energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822121943.6U CN209410155U (en) | 2018-12-18 | 2018-12-18 | The double dynamical steering pumping system of double source for new-energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209410155U true CN209410155U (en) | 2019-09-20 |
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ID=67938809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822121943.6U Active CN209410155U (en) | 2018-12-18 | 2018-12-18 | The double dynamical steering pumping system of double source for new-energy automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN209410155U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208631A (en) * | 2020-10-22 | 2021-01-12 | 北京航天发射技术研究所 | Electro-hydraulic steering system with double oil sources |
| CN113954960A (en) * | 2021-11-17 | 2022-01-21 | 珠海格力电器股份有限公司 | Double-source electric power steering pump and new energy automobile |
-
2018
- 2018-12-18 CN CN201822121943.6U patent/CN209410155U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208631A (en) * | 2020-10-22 | 2021-01-12 | 北京航天发射技术研究所 | Electro-hydraulic steering system with double oil sources |
| CN113954960A (en) * | 2021-11-17 | 2022-01-21 | 珠海格力电器股份有限公司 | Double-source electric power steering pump and new energy automobile |
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