CN217553889U - IPB safety redundancy system - Google Patents
IPB safety redundancy system Download PDFInfo
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- CN217553889U CN217553889U CN202220674845.9U CN202220674845U CN217553889U CN 217553889 U CN217553889 U CN 217553889U CN 202220674845 U CN202220674845 U CN 202220674845U CN 217553889 U CN217553889 U CN 217553889U
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- 238000010586 diagram Methods 0.000 description 6
- 238000003745 diagnosis Methods 0.000 description 3
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Abstract
The utility model relates to a vehicle control technical field especially relates to IPB safety redundancy system, including IPB, RBU and EHPS or EPS, drive mechanism realizes hydraulic power assisted steering or is directly to be connected with the EPS motor and realizes electronic power assisted steering through installation EHPS hydraulic pump on hydraulic power assisted steering pipeline and through EHPS motor drive, the RBU motor passes through CAN as the redundant stand-by motor of IPB and is connected with the IPB motor, IPB motor fault monitoring module is installed to the IPB motor, EHPS motor or EPS motor pass through CAN with the RBU motor and are connected, EHPS motor fault monitoring module or EPS motor fault monitoring module are installed to EHPS motor or EPS motor, the RBU motor is connected with drive mechanism as the redundant stand-by motor of EHPS motor or EPS motor. The system provided by the utility model simple structure, it is with low costs, and occupation space is little, practicality and security are stronger.
Description
Technical Field
The utility model relates to a vehicle control technical field especially relates to IPB safety redundancy system.
Background
The IPB is a key safety component of the chassis domain of the vehicle, and integrates the electronic booster and the ESP in one module.
EHPS is traditional mechanical hydraulic power, EPS is electric power steering system, if a RBU and IPB are provided for mutual redundancy backup, the RBU and IPB are connected in series to construct a redundancy safety braking system. The EHPS motor or the EPS motor is provided with a redundant backup motor, so that the cost is high, the space limit is large, and the safety redundancy of the EHPS motor or the EPS motor is difficult to realize.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a simple structure is provided, and is with low costs, and occupation space is little, and practicality, security than stronger IPB safety redundancy system.
The utility model discloses a realize through following technical scheme:
the IPB safety redundancy system comprises an IPB, an RBU and an EHPS or an EPS, wherein a transmission mechanism is provided with an EHPS hydraulic pump on a hydraulic power-assisted steering pipeline and is driven by an EHPS motor to realize hydraulic power-assisted steering or is directly connected with an EPS motor to realize electric power-assisted steering, the RBU motor is used as an IPB redundancy backup motor and is connected with the IPB motor through a CAN, the IPB motor is provided with an IPB motor fault monitoring module, the EHPS motor or the EPS motor is connected with the RBU motor through the CAN, the EHPS motor or the EPS motor is provided with the EHPS motor fault monitoring module or the EPS motor fault monitoring module, and the RBU motor is used as the EHPS motor or the redundancy backup motor of the EPS motor and is connected with the transmission mechanism.
Furthermore, the transmission mechanism is provided with a safe redundant hydraulic pipeline which is connected with the hydraulic power-assisted steering pipeline in parallel, and an RBU hydraulic pump is arranged on the safe redundant hydraulic pipeline and is driven by an RBU motor.
And optimally, the safety redundant hydraulic pipeline is provided with an electromagnetic valve.
Furthermore, the RBU motor and the EHPS motor are connected in series on a safe redundant hydraulic pipeline, and a detachable structure is arranged between the RBU motor and the EHPS motor and connected with the hydraulic pump.
Furthermore, the RBU motor and the EPS motor are connected in parallel to drive the transmission mechanism, and a disengageable structure is arranged between the RBU motor and the transmission mechanism.
Furthermore, the RBU motor and the EPS motor are connected in series to drive the transmission mechanism, and a detachable structure is arranged between the RBU motor and the EPS motor.
Preferably, the disengagable structure is an electromagnetic clutch.
Beneficial effects of the utility model
The utility model discloses the redundant system of IPB safety has following advantage: the RBU motor is used as a backup motor of the IPB and also used as a backup motor of the EHPS or the EPS, so that the cost of the brake system is reduced, and the safety performance of the brake system is also considered.
Drawings
FIG. 1 is a schematic diagram of an IPB and EHPS redundant safety system according to the present invention;
FIG. 2 is a schematic structural diagram of the IPB and EPS safety redundancy system of the present invention;
FIG. 3 is a second schematic diagram of the IPB and EHPS safety redundancy system of the present invention;
FIG. 4 is a second schematic diagram of the IPB and EPS safety redundancy system of the present invention;
FIG. 5 is a block diagram of an IPB and EHPS safety redundancy control system;
FIG. 6 is a block diagram of an IPB and EPS security redundancy control system;
in the figure, 1, IPB,2, RBU motor, 3, EHPS motor, 4, hydraulic pump, 5, transmission mechanism, 6, detachable structure, 7, electromagnetic valve and 8, EPS motor.
Detailed Description
The IPB safety redundancy system comprises an IPB1, an RBU and an EHPS or an EPS, wherein a transmission mechanism is provided with an EHPS hydraulic pump on a hydraulic power-assisted steering pipeline and is driven by an EHPS motor to realize hydraulic power-assisted steering or is directly connected with an EPS motor to realize electric power-assisted steering, an RBU motor 2 is used as an IPB redundancy backup motor and is connected with the IPB motor through a CAN, the IPB motor is provided with an IPB motor fault monitoring module, an EHPS motor 3 or an EPS motor 8 is connected with the RBU motor through the CAN, the EHPS motor or the EPS motor is provided with an EHPS motor fault monitoring module or an EPS motor fault monitoring module, and the RBU motor is used as the EHPS motor or the redundancy backup motor of the EPS motor and is connected with a transmission mechanism 5.
The IPB fault diagnosis module comprises multiple monitoring modes such as IPB motor rotating speed monitoring, temperature monitoring and the like, the rotating speed, the temperature and the like of the IPB motor CAN be monitored in real time through various corresponding sensors, information is transmitted to the IPB control system, the IPB control system receives monitoring information and compares the monitoring information with preset information, when the monitoring information exceeds a corresponding preset range, the IPB motor fault is judged, the IPB control system disconnects the IPB motor and transmits fault information to the RBU control system through a CAN communication line, the RBU control system connects the RBU motor with the IPB to replace the IPB motor to work, and the safety redundancy of the IPB is realized.
The EHPS fault diagnosis module or the EPS fault diagnosis module comprises an EHPS motor or an EPS motor, a temperature monitoring and other multiple monitors, the rotating speed, the temperature and the like of the EHPS motor or the EPS motor can be monitored in real time through various corresponding sensors, and the information is transmitted to an EHPS control system or an EPS control system, the EHPS control system or the EPS control system receives the monitoring information, compares the monitoring information with preset information, when the monitored information exceeds a corresponding preset range, the EHPS motor or the EPS motor is judged to be in fault, the EHPS control system or the EPS control system controls the EHPS motor or the EPS motor to stop working, and transmits the information to an RBU control system, and the RBU control system connects the RBU motor with a transmission mechanism to replace the EHPS motor or the EPS motor to work, so that the safety redundancy of the EHPS motor or the EPS motor is realized.
Set up a RBU, can let the RBU motor both regard as IPB's backup motor, regard as EHPS or EPS's backup motor again, both reduced braking system's cost, also compromise braking system's security performance, it is simple structure not only, with low costs, occupation space is little, and practicality, security are stronger.
Furthermore, the transmission mechanism is provided with a safe redundant hydraulic pipeline which is connected with the hydraulic power-assisted steering pipeline in parallel, an RBU hydraulic pump 4 is arranged on the safe redundant hydraulic pipeline, and the RBU hydraulic pump is driven by an RBU motor. When the RBU is applied to the EHPS system, a set of safe redundant hydraulic pipelines can be arranged in parallel, when the EHPS motor works normally, the safe redundant hydraulic pipelines are in a disconnected state, and the EHPS motor drives the hydraulic pump 4 to realize the hydraulic power-assisted steering of the transmission mechanism. When the EHPS motor is abnormal, the safe redundant hydraulic pipeline is communicated, and the RBU motor drives the RBU hydraulic pump on the safe redundant hydraulic pipeline to realize the power-assisted steering of the transmission mechanism.
And optimally, the safety redundant hydraulic pipeline is provided with an electromagnetic valve 7. The electromagnetic valve can conveniently control the quick connection and disconnection of the safe redundant hydraulic pipeline.
Further, the RBU motor and the EHPS motor are connected in series on a safety redundant hydraulic pipeline, and a detachable structure 6 is arranged between the RBU motor and the EHPS motor and connected with the hydraulic pump. The structure can be further simplified, a safe redundant hydraulic pipeline is not required to be connected in parallel, the RBU motor and the EHPS motor can be switched and connected only by arranging a detachable structure, and the safe redundancy of the hydraulic power-assisted steering of the transmission mechanism can be realized.
Furthermore, the RBU motor and the EPS motor are connected in parallel to drive the transmission mechanism, and a detachable structure is arranged between the RBU motor and the transmission mechanism. When the EPS motor normally works, the RBU motor and the transmission device are in a disconnected state, and the EPS motor drives the transmission mechanism to realize electronic power-assisted steering. When the EPS motor is abnormal, the RBU motor is communicated with the transmission mechanism, the transmission mechanism is driven by the RBU motor, electronic power-assisted steering is realized, and conversion is convenient and rapid.
Furthermore, the RBU motor and the EPS motor are connected in series to drive the transmission mechanism, and a detachable structure is arranged between the RBU motor and the EPS motor. The structure is arranged, so that the conversion between the RBU motor and the EPS motor can be realized, the structure is simpler, and the space is saved more.
Preferably, the disengagable structure is an electromagnetic clutch. The electromagnetic clutch can realize that the actuation action is carried out under the condition of high-speed rotation, and is suitable for dry-type oilless occasions. The practicality is stronger.
A motor shaft of the RBU motor can be a double-output shaft, one output shaft is connected with the IPB system, and the other output shaft is applied to the EHPS or EPS system and is connected with the transmission mechanism.
Meanwhile, when the IPB motor and the EHPS motor or the EPS motor fail simultaneously, the RBU motor is preferentially connected with the IPB to replace the IPB motor to work, and the normal work of a vehicle braking system is ensured, so that the safety performance of the braking system is ensured, the driving safety of the vehicle is improved, and the RBU motor can be applied to future unmanned vehicles and is safer and more reliable.
The utility model discloses a redundant system of IPB safety, RBU motor both regard as IPB's backup motor, regard as EHPS or EPS's backup motor again, both reduced braking system's cost, also compromise braking system's security performance, its structure is fairly simple, and occupation space is little, and the practicality is stronger.
Note: the IPB in the application document denotes an integrated brake system; EPS denotes an electric power steering system; EHPS denotes an electronically controlled hydraulic power steering system; RBU denotes a redundant brake unit.
To sum up, the utility model discloses the redundant system of IPB safety of protection, simple structure, it is with low costs, and occupation space is little, practicality and security are stronger.
Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
- The IPB safety redundancy system is characterized by comprising an IPB, an RBU and an EHPS or an EPS, wherein a transmission mechanism is provided with an EHPS hydraulic pump on a hydraulic power-assisted steering pipeline and is driven by an EHPS motor to realize hydraulic power-assisted steering or is directly connected with an EPS motor to realize electric power-assisted steering, the RBU motor is used as an IPB redundancy standby motor and is connected with the IPB motor through a CAN, the IPB motor is provided with an IPB motor fault monitoring module, the EHPS motor or the EPS motor is connected with the RBU motor through the CAN, the EHPS motor or the EPS motor is provided with an EHPS motor fault monitoring module or an EPS motor fault monitoring module, and the RBU motor is used as the EHPS motor or the redundancy standby motor of the EPS motor and is connected with the transmission mechanism.
- 2. The IPB safety redundancy system according to claim 1, wherein the transmission is provided with a safety redundant hydraulic line in parallel with the hydraulic power steering line, and wherein the safety redundant hydraulic line is provided with an RBU hydraulic pump driven by an RBU motor.
- 3. The IPB safety redundancy system according to claim 2, wherein a solenoid valve is installed on the safety redundancy hydraulic line.
- 4. The IPB safety redundancy system according to claim 1, wherein the RBU motor and the EHPS motor are connected in series on the safety redundancy hydraulic line, and a detachable structure is installed between the RBU motor and the EHPS motor to connect with the hydraulic pump.
- 5. The IPB safety redundancy system of claim 1, wherein the RBU motor drives the transmission in parallel with the EPS motor, and a disengagable structure is mounted between the RBU motor and the transmission.
- 6. The IPB security redundancy system of claim 1, wherein the RBU motor drives the transmission in series with the EPS motor and a disengagable structure is mounted between the RBU motor and the EPS motor.
- 7. The IPB safety redundancy system according to claim 4 or 5, wherein the disengagable structure is an electromagnetic clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220674845.9U CN217553889U (en) | 2022-03-25 | 2022-03-25 | IPB safety redundancy system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220674845.9U CN217553889U (en) | 2022-03-25 | 2022-03-25 | IPB safety redundancy system |
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| Publication Number | Publication Date |
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| CN217553889U true CN217553889U (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220674845.9U Active CN217553889U (en) | 2022-03-25 | 2022-03-25 | IPB safety redundancy system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559920A (en) * | 2022-03-25 | 2022-05-31 | 苏州海之博电子科技有限公司 | IPB and EHPS or EPS safety redundancy system |
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- 2022-03-25 CN CN202220674845.9U patent/CN217553889U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559920A (en) * | 2022-03-25 | 2022-05-31 | 苏州海之博电子科技有限公司 | IPB and EHPS or EPS safety redundancy system |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20240204 Address after: No. 126, Suhong West Road, Suzhou Industrial Park, Jiangsu Province 215021 Patentee after: BOSCH AUTOMOTIVE PRODUCTS (SUZHOU) Co.,Ltd. Country or region after: China Address before: 215000 Room 301, 3rd floor, Xiangrong building, No. 55, nantiancheng Road, high speed rail new town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: Suzhou haizhibo Electronic Technology Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |