CN115140006B - Brake-by-wire system and vehicle - Google Patents
Brake-by-wire system and vehicle Download PDFInfo
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- CN115140006B CN115140006B CN202211081050.8A CN202211081050A CN115140006B CN 115140006 B CN115140006 B CN 115140006B CN 202211081050 A CN202211081050 A CN 202211081050A CN 115140006 B CN115140006 B CN 115140006B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/745—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on a hydraulic system, e.g. a master cylinder
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- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The invention relates to the technical field of hydraulic braking, in particular to a brake-by-wire system and a vehicle, wherein the brake-by-wire system comprises: the hydraulic power assisting device comprises an oil can, a hydraulic valve block connected with the oil can and at least one motor connected with the hydraulic valve block, and hydraulic oil paths respectively connected with the oil inlet, the oil outlet and the oil can pipeline are arranged on the hydraulic valve block. According to the scheme of the invention, the main cylinder and the power assisting device are separately arranged, so that the vibration in the power assisting device can be prevented from being transmitted to the main cylinder, the vibration can be prevented from being transmitted to the pedal, the noise is reduced, and the sense of a driver can not be influenced.
Description
Technical Field
The invention relates to the technical field of hydraulic braking, in particular to a brake-by-wire system and a vehicle.
Background
At present, manufacturers of brake systems at home and abroad are in active research and development and promotion of brake products, a multi-axle vehicle line control brake system has advantages in the aspects of brake performance, environmental adaptability, integration level, volume quality and the like compared with a traditional vacuum booster, and the automobile brake system is taken as a most basic safety control system, and the performance of the automobile brake system directly determines the safety performance of the whole vehicle. Therefore braking system is one of the indispensable module of vehicle, because traditional vacuum booster product exists bulky, the quality is heavy, the assembly is complicated, the vacuum source easily reveals, regional helping hand performance of high altitude is relatively poor, can't realize energy recuperation on thoughtlessly moving and the electric motor car shortcoming, based on above-mentioned shortcoming and market demand, in recent years, drive-by-wire product technical scheme and product have come into motion.
At present, a main cylinder and a power assisting device are integrated together, when a motor in the power assisting device runs, the motor can generate vibration, the main cylinder is integrated with the power assisting device, the vibration of the motor can be transmitted to the main cylinder, and the generated noise is large, so that the sense organ is influenced; and the oil cavity in the main cylinder and the motor in the power assisting device are only arranged one, so that the multi-axis vehicle can not be applied, and the application range is smaller.
Meanwhile, the electronic control unit is an independent module and is a master control unit for controlling the power assisting module, and the distributed electronic and electrical architecture has the defects of decentralized calculation, complex wiring, deep coupling of software and hardware, communication bandwidth bottleneck and the like, so that the distributed electronic and electrical architecture cannot adapt to the further development of automobile intellectualization.
Disclosure of Invention
The present invention is directed to solving at least one of the problems in the background art, and provides a brake-by-wire system and a vehicle.
To achieve the above object, the present invention provides a wire-controlled brake system, comprising:
the hydraulic power assisting device comprises an oil can, a hydraulic valve block connected with the oil can and at least one motor connected with the hydraulic valve block, and hydraulic oil paths respectively connected with the oil inlet, the oil outlet and the oil can pipeline are arranged on the hydraulic valve block.
To achieve the above object, the brake-by-wire system of the present invention further includes: an electronic control unit integrally arranged with the power assist device and provided on a side of the hydraulic valve block remote from the motor.
Preferably, the oil can comprises an oil can body, an oil can inlet arranged on the oil can body, and a mounting structure arranged on the oil can body and connected with the hydraulic valve block, wherein the mounting structure is symmetrically arranged on mounting lugs on two sides of the oil can body.
Preferably, the mounting ears extend toward the hydraulic valve block and are connected to a side wall of the hydraulic valve block.
Preferably, the master cylinder comprises two oil chambers, and the oil inlet comprises a first oil inlet connected with one of the oil chambers and a second oil inlet connected with the other oil chamber;
the oil outlets comprise a first oil outlet connected with one of the oil chambers and a second oil outlet connected with the other oil chamber.
Preferably, the hydraulic oil path includes a first oil path connecting the first oil inlet and the oil can, a second oil path connecting the second oil inlet and the oil can, a third oil path connecting the first oil outlet and the oil can, and a fourth oil path connecting the second oil outlet and the oil can.
Preferably, a normally open solenoid valve and a check valve which is connected with the normally open solenoid valve in parallel and is used for preventing hydraulic oil from flowing back to the oil can are arranged on a pipeline, connected with the first oil inlet, of one of the oil chambers.
Preferably, an inclined surface is provided above a side surface of the hydraulic valve block on which the motor is mounted, and the first oil passage, the second oil passage, the third oil passage and the fourth oil passage are provided on the inclined surface.
Preferably, the first oil passage and the second oil passage are disposed in close proximity, and the first oil passage is located between the second oil passage and the fourth oil passage, and the second oil passage is located between the first oil passage and the third oil passage.
Preferably, the boosting device comprises two motors, each motor is communicated with the oil can through the hydraulic valve block, and is simultaneously communicated with the first oil outlet and the second oil outlet through the third oil path and the fourth oil path respectively.
Preferably, a power-assisted oil outlet is further arranged on the hydraulic valve block.
In order to achieve the purpose, the brake-by-wire system further comprises an automobile electronic stability control device connected with the boosting oil outlet.
In order to achieve the above object, the present invention further provides a vehicle including the brake-by-wire system described in the above.
Based on the method, the method has the beneficial effects that:
according to the scheme of the invention, the main cylinder and the power assisting device are separately arranged and are not integrated together, and the main cylinder and the power assisting device are connected through the pipeline, when a motor in the power assisting device runs, the vibration generated by the motor is not transmitted to the main cylinder and further not transmitted to the pedal, and meanwhile, only the vibration of the power assisting device generates noise, so that the noise is relatively reduced compared with the prior art; the hydraulic valve block is arranged to integrate pipelines, and meanwhile, the hydraulic valve block is respectively connected with the oil can and the motor and is communicated with the pipeline in the oil can and the motor, so that the integral power assisting device is compact in arrangement and small in integral volume, and the occupied space of the power assisting device is reduced; and meanwhile, a plurality of motors and oil cavities are arranged, so that the brake-by-wire system can be applied to a multi-axle vehicle, and the wide applicability of the brake system is improved.
Drawings
FIG. 1 is a schematic perspective view of a booster according to an embodiment of the present invention;
FIG. 2 is a perspective view schematically showing a master cylinder according to an embodiment of the present invention;
FIG. 3 schematically illustrates a front view of a power assist device, in accordance with one embodiment of the present invention;
FIG. 4 schematically illustrates a side view of a force assist device in accordance with an embodiment of the present invention;
fig. 5 schematically shows a line connection diagram of a hydraulic oil circuit according to an embodiment of the present invention.
Description of reference numerals: the hydraulic control system comprises a main cylinder 10, an oil cavity 101, an oil inlet 102, a first oil inlet 1021, a second oil inlet 1022, an oil outlet 103, a first oil outlet 1031, a second oil outlet 1032, a power assisting device 20, an oil can 201, an oil can body 2011, an oil can inlet 2012, a mounting structure 2013, a mounting lug 20131, a hydraulic valve block 202, a first oil path 2021, a second oil path 2022, a third oil path 2023, a fourth oil path 2024, an inclined surface 2025, a power assisting oil outlet 2026 and a motor 203.
Detailed Description
The contents of the present invention will now be discussed with reference to exemplary embodiments. It is to be understood that the embodiments discussed are merely intended to enable one of ordinary skill in the art to better understand and thus implement the teachings of the present invention, and do not imply any limitations on the scope of the invention.
As used herein, the term "include" and its variants are to be read as open-ended terms meaning "including, but not limited to. The term "based on" is to be read as "based, at least in part, on. The terms "one embodiment" and "an embodiment" are to be read as "at least one embodiment".
Fig. 1 is a perspective view schematically showing a booster according to an embodiment of the present invention, and fig. 2 is a perspective view schematically showing a master cylinder according to an embodiment of the present invention, and as shown in fig. 1 to 2, a brake-by-wire system of the present invention includes:
the boosting device 20 comprises an oil can 201, a hydraulic valve block 202 connected with the oil can 201 and at least one motor 203 connected with the hydraulic valve block 202, and hydraulic oil paths respectively connected with the oil inlet 102, the oil outlet 103 and the oil can 201 are arranged on the hydraulic valve block 202.
Specifically, the master cylinder 10 and the booster 20 are separately arranged and communicated with each other through a pipeline, so that after the motor 203 on the booster 20 is operated, the motor 203 can vibrate, and the master cylinder 10 and the booster 20 are separately arranged, so that the vibration generated by the motor 203 cannot be directly transmitted to the master cylinder 10, and the master cylinder 10 cannot vibrate along with the motor 203, but only the booster 20 vibrates, thereby reducing the noise compared with the conventional scheme.
The master cylinder 10 comprises at least one oil cavity 101 arranged on the master cylinder, an oil inlet 102 and an oil outlet 103 are arranged on each oil cavity 101, and oil outlet and oil inlet of hydraulic oil in the oil cavity 101 can be realized.
The power assisting device 20 comprises an oil can 201, a hydraulic valve block 202 connected with the oil can 201, and at least one motor 203 connected with the hydraulic valve block 202; the hydraulic oil circuit is integrated inside the hydraulic valve block 202, and is connected with the main cylinder 10, the motor 203 and the oil can 201 through a plurality of openings on the hydraulic valve block 202, so the hydraulic oil circuit is arranged in the hydraulic valve block 202, the air tightness of the hydraulic oil circuit is good, the air tightness of the hydraulic oil circuit can be further increased, the conveying of hydraulic oil is protected, meanwhile, one side surface of the hydraulic valve block 202 is connected with the motor 203, the other side surface of the hydraulic valve block is connected with the oil can 201, the hydraulic oil circuit can be used as a base body to be respectively connected with other equipment, the oil can 201 and the motor 203 can be supported and fixed, and meanwhile, all the equipment in a braking system can be integrated together, so that the connection among all the equipment is compact, the pipeline path is reduced, the hydraulic oil conveying path is shortened, the hydraulic oil is quickly conveyed to the braking module, the braking speed of an automobile is accelerated, the braking distance of the automobile is shortened, and the safety of drivers is protected.
The oil cavity 101 and the motor 203 can be set to be one or a plurality of, when the oil cavity 101 and the motor 203 are set to be a plurality, the braking effect of the brake-by-wire system can be increased, the brake-by-wire system can be applied to a multi-axle vehicle, the application range of the brake-by-wire system is increased, and the wide applicability of the brake-by-wire system is improved.
In the brake-by-wire system of the present invention, an electronic control unit 30 is further included, and the electronic control unit 30 is integrally disposed with the booster 20 and is provided on a side of the hydraulic valve block 202 remote from the motor 203.
FIG. 3 schematically illustrates a front view of a force assist apparatus according to an embodiment of the present invention, and FIG. 4 schematically illustrates a side view of a force assist apparatus according to an embodiment of the present invention, as shown in FIGS. 3-4:
further, the oil can 201 comprises an oil can body 2011, an oil can inlet 2012 arranged on the oil can body 2011, and a mounting structure 2013 arranged on the oil can body 2011 and connected with the hydraulic valve block 202, wherein the mounting structure 2013 is symmetrically arranged on mounting lugs 20131 on two sides of the oil can body 2011.
The mounting ears 20131 extend toward the hydraulic valve block 202 and connect to the side walls of the hydraulic valve block 202.
Still set up oilcan import end cover outside oilcan import 2012, can carry out the switching to oilcan import 2012, also can seal oilcan body 2011 simultaneously.
In a traditional scheme, an oil can body 2011 is arranged above a hydraulic valve block 202, and installation parts of the oil can body 2011 are also arranged on two sides of the oil can body 2011 and are fixedly connected with the upper side wall of the hydraulic valve block 202, so that the connection structure between the oil can body 2011 and the hydraulic valve block 202 is arranged, the sum of the length of the oil can body 2011 and the lengths of the installation parts on the two sides is equal to the length of the hydraulic valve block 202, or the sum of the length of the oil can body 2011 and the lengths of the installation parts on the two sides is smaller than the length of the hydraulic valve block 202, so that the volume of the oil can body 2011 is indirectly reduced, the volume of hydraulic oil in the oil can body 2011 is further reduced, and the oil can body is not suitable for the braking required oil quantity of a multi-axle vehicle;
the mounting lug 20131 is arranged on the outer side of the oil can body 2011 and fixedly connected with the side wall of the hydraulic valve block 202, so that the length of the oil can body 2011 can be equal to the length of the hydraulic valve block 202, even can be slightly greater than the length of the hydraulic valve block 202, if the length of the hydraulic valve block 202 is not changed, the volume of the oil can body 2011 is larger than that of the oil can body 2011 in the traditional scheme, the volume of the oil can body 2011 is increased, more hydraulic oil can be contained in a limited mounting space, the space is more effectively utilized, and the oil can is more suitable for multi-axle vehicles.
Further, in the solution of the present invention, the master cylinder 10 includes two oil chambers 101, and the oil inlet 102 includes a first oil inlet 1021 connected with one of the oil chambers 101 and a second oil inlet 1022 connected with the other oil chamber 101;
the oil outlet 103 includes a first oil outlet 1031 connected to one of the oil chambers 101 and a second oil outlet 1032 connected to the other oil chamber 101.
The hydraulic oil circuit comprises a first oil circuit 2021 connected with the first oil inlet 1021 and the oil can 201, a second oil circuit 2022 connected with the second oil inlet 1022 and the oil can 201, a third oil circuit 2023 connected with the first oil outlet 1031 and the oil can 201, and a fourth oil circuit 2024 connected with the second oil outlet 1032 and the oil can 201.
A normally open electromagnetic valve and a check valve which is connected with the normally open electromagnetic valve in parallel and used for preventing the hydraulic circuit from flowing to the oil can 201 are arranged on a pipeline of one of the oil chambers 101 connected with the first oil inlet 1021.
An inclined surface 2025 is provided above the side surface of the hydraulic valve block 202 on which the motor 203 is mounted, and the first oil passage 2021, the second oil passage 2022, the third oil passage 2023, and the fourth oil passage 2024 are provided on the inclined surface 2025.
The first oil passage 2021 and the second oil passage 2022 are disposed in close proximity, and the first oil passage 2021 is located between the second oil passage 2022 and the fourth oil passage 2024, and the second oil passage 2022 is located between the first oil passage 2021 and the third oil passage 2023.
The booster 20 includes two motors 203, each motor 203 is connected to the oil can 201 through a hydraulic valve block 202, and is connected to the first oil outlet 1031 and the second oil outlet 1032 through a third oil passage 2023 and a fourth oil passage 2024, respectively.
Specifically, oil pocket 101 sets up to two with motor 203 to an oil pocket 101 is corresponded to motor 203, makes motor 203 can control an oil pocket 101 separately, inhales oil to it, and the motor 203 other end is connected with axle head calliper separately again simultaneously, can realize accurate control to axle head calliper, improves braking effect, can be applicable to the multiaxis car, improves the extensive suitability of this system.
And one of the oil chambers 101 comprises a first oil inlet 1021 and a first oil outlet 1031, the other oil chamber 101 comprises a second oil inlet 1022 and a second oil outlet 1032, the first oil inlet 1021 is connected with the oil can 201 through a first oil path 2021, the second oil inlet 1022 is connected with the oil can 201 through a second oil path 2022, the first oil outlet 1031 is connected with the oil can 201 through a third oil path 2023, the second oil outlet 1032 is connected with the oil can 201 through a fourth oil path 2024, and the oil can 201 is mounted on the hydraulic valve block 202, so that the first oil path 2021, the second oil path 2022, the third oil path 2023 and the fourth oil path 2024 pass through the side wall of the hydraulic valve block 202 from the outside of the hydraulic valve block 202 to enter the inside of the hydraulic valve block 202 and then communicate with the oil can 201 thereon.
In the master cylinder 10, the first oil inlet 1021 is arranged on the left side of the second oil inlet 1022, the first oil outlet 1031 is arranged on the left side of the second oil outlet 1032, and in order to prevent the pipelines from crossing each other, the first oil path 2021, the second oil path 2022, the third oil path 2023 and the fourth oil path 2024 are specially arranged at the penetration port on the side wall of the hydraulic valve block 202, so that the wiring of the pipelines is not complicated, and meanwhile, no pipeline crossing exists.
Specifically, an insertion opening of the first oil path 2021 connected to the first oil inlet 1021 on the hydraulic valve block 202 is provided on the left side of an insertion opening of the second oil path 2022 connected to the second oil inlet 1022 on the hydraulic valve block 202; the insertion opening of the third oil path 2023 connected with the first oil outlet 1031 on the hydraulic valve block 202 is arranged on the left side of the insertion opening of the fourth oil path 2024 connected with the second oil outlet 1032 on the hydraulic valve block 202, so that the first oil path 2021 and the second oil path 2022 are ensured not to be inserted, and the third oil path 2023 and the fourth oil path 2024 are ensured not to be inserted, so that pipelines are not disordered and complicated, hydraulic oil can be efficiently transferred, and rapid braking and efficient braking are realized.
Meanwhile, the first oil path 2021 and the second oil path 2022 may be provided between the third oil path 2023 and the fourth oil path 2024, or the third oil path 2023 and the fourth oil path 2024 may be provided between the first oil path 2021 and the second oil path 2022, which can ensure that the four lines do not cross each other and the wiring is not complicated.
Meanwhile, an inclined surface 2025 is arranged above the motor 203 arranged on the hydraulic valve block 202, specifically, the inclined surface 2025 is inclined towards the direction far away from the motor 203 from the connecting end of the inclined surface 2025 and the surface on which the motor 203 is arranged to the other end, so that when the first oil path 2021, the second oil path 2022, the third oil path 2023 and the fourth oil path 2024 are inserted from the inclined surface 2025, four oil paths close to the insertion port are not parallel to the motor 203, and gaps among the motor 203, the first oil path 2021, the second oil path 2022, the third oil path 2023 and the fourth oil path 2024 are increased.
So set up, also can make and set up between first oil circuit 2021, second oil circuit 2022, third oil circuit 2023 and the fourth oil circuit 2024 and the motor 203 not compact, the installation with dismantle convenient and have the supporting effect to the oil circuit.
Furthermore, sealing rings may be provided at the joints between the first oil passage 2021, the second oil passage 2022, the third oil passage 2023, and the fourth oil passage 2024 and the hydraulic valve block 202, so that the vibration of the motor 203 is reduced while the sealing performance is further improved, and the vibration of the motor 203 is less transmitted to the first oil passage 2021, the second oil passage 2022, the third oil passage 2023, and the fourth oil passage 2024, thereby reducing the vibration of the master cylinder 10.
Further, a power-assisted oil outlet 2026 is further arranged on the hydraulic valve block 202.
In addition, the brake-by-wire system of the invention further comprises an automobile electronic stability control device connected with the boosting oil outlet 2026.
The boosting oil outlets 2026 are arranged on two adjacent sides of one side, provided with the motors 203, of the hydraulic valve block 202, the boosting pipelines can be respectively inserted into the two motors 203 from the boosting oil outlets 2026 on the two sides of the hydraulic valve block 202 to be connected, hydraulic oil is conveyed to the electronic stability control device of the automobile through the boosting pipelines by the operation of the motors 203, and the electronic stability control device of the automobile brakes the automobile tires through the hydraulic oil.
Fig. 5 schematically shows a pipeline connection diagram of a hydraulic oil circuit according to an embodiment of the present invention, in the above aspect of the present invention, the hydraulic oil circuit is provided in the hydraulic valve block 202, and the specific pipeline connection diagram is as shown in fig. 5:
the working process comprises the following steps: when a driver treads a pedal, a sensor connected with the pedal receives a stroke signal moved by the pedal and transmits the stroke signal to the electronic control unit 30, the electronic control unit 30 generates an electric signal according to the stroke signal and transmits the electric signal to the two motors 203, the motors 203 drive the pistons to move according to the electric signal, hydraulic oil in the oil pot 201 enters a cavity where the pistons exist along a third oil path 2023 and a fourth oil path 2024 respectively, the motors 203 control the pistons to extrude the hydraulic oil in the cavity and convey the hydraulic oil to an electronic automobile stability control device along a power-assisted pipeline connected with the other end of the motors 203, a normally-closed valve is arranged on the power-assisted pipeline, when the pedal is treaded, the normally-closed valve on the power-assisted pipeline is electrified to realize pipeline communication, hydraulic oil conveying can be further carried out, and the electronic automobile stability control device conveys the hydraulic oil to a shaft end caliper, so that automobile braking is further realized.
In order to achieve the above object, the present invention further provides a vehicle applied to the brake-by-wire system, wherein the vehicle may be a multi-axle vehicle, and the multi-axle vehicle includes heavy vehicles, city vehicles, business vehicles, and the like.
In summary, in the brake-by-wire system according to the present invention, the master cylinder 10 and the booster 20 are separately disposed and are not integrated, when the motor 203 in the booster 20 operates, the vibration generated by the motor 203 cannot be transmitted to the master cylinder 10, or the vibration transmitted by the motor 203 to the master cylinder 10 can be reduced, so that the problem of loose connection of parts of the master cylinder 10 due to vibration can be avoided, the airtightness of the master cylinder 10 can be ensured, leakage of hydraulic oil can be prevented, and noise is generated only by the vibration of the booster, which relatively reduces noise compared with the prior art.
The hydraulic valve block 202 is additionally arranged to integrate pipelines together, and meanwhile, the oil can 201 and the motor 202 are respectively connected, so that the connection of equipment in the whole power assisting device 20 is compact, the size is small, and the occupied space of the power assisting device 20 can be reduced.
The mounting structure 2013 is arranged on the outer wall of the oil can 201 and fixedly connected with the outer wall of the hydraulic valve block 202, so that the length of the oil can body 2011 can be consistent with the length of the hydraulic valve block 202, even the length of the oil can body 2011 is larger than the length of the hydraulic valve block 202, the volume of the oil can 201 can be increased, more hydraulic oil can be contained, and the problems that in the prior art, the oil can body 2011 is fixedly connected with the top of the hydraulic valve block 202 through the mounting structure 2013, the length of the oil can body 2011 is further shortened, and the oil can body 2011 contains less hydraulic oil are solved;
the brake-by-wire system is provided with the motors 203 and the oil chambers 101, can be applied to multi-axis vehicles, and has a wide application range.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (5)
1. A brake-by-wire system, comprising: the power assisting device comprises an oil can, a hydraulic valve block connected with the oil can and at least one motor connected with the hydraulic valve block, wherein the hydraulic valve block is provided with a hydraulic oil path respectively connected with the oil inlet, the oil outlet and the oil can pipeline;
the main cylinder comprises two oil cavities, and the oil inlet comprises a first oil inlet connected with one of the oil cavities and a second oil inlet connected with the other oil cavity;
the oil outlets comprise a first oil outlet connected with one of the oil chambers and a second oil outlet communicated with the other oil chamber;
the hydraulic oil circuit comprises a first oil circuit connected with the first oil inlet and the oil can, a second oil circuit connected with the second oil inlet and the oil can, a third oil circuit connected with the first oil outlet and the oil can, and a fourth oil circuit connected with the second oil outlet and the oil can;
an inclined plane is arranged above the side face of the hydraulic valve block, which is provided with the motor, and the first oil way, the second oil way, the third oil way and the fourth oil way are arranged on the inclined plane;
the first oil path and the second oil path are arranged next to each other, the first oil path is positioned between the second oil path and the fourth oil path, and the second oil path is positioned between the first oil path and the third oil path;
the oil can comprises an oil can body, an oil can inlet arranged on the oil can body and a mounting structure which is arranged on the oil can body and connected with the hydraulic valve block, wherein the mounting structure is mounting lugs symmetrically arranged on two sides of the oil can body;
the mounting lug extends towards the hydraulic valve block and is connected with the side wall of the hydraulic valve block;
a normally open electromagnetic valve and a check valve which is connected with the normally open electromagnetic valve in parallel and used for preventing hydraulic oil from flowing back to the oil pot are arranged on a pipeline of one of the oil cavities connected with the first oil inlet;
and a power-assisted oil outlet is also arranged on the hydraulic valve block.
2. The brake-by-wire system according to claim 1, further comprising: an electronic control unit integrally arranged with the power assist device and provided on a side of the hydraulic valve block remote from the motor.
3. The brake-by-wire system according to claim 1, wherein the booster includes two motors, each of the motors communicating with the oil can through the hydraulic valve block while communicating with the first oil outlet and the second oil outlet through the third oil passage and the fourth oil passage, respectively.
4. The brake-by-wire system of claim 1, further comprising an automotive electronic stability control connected to the boost outlet port.
5. Vehicle, characterized in that it comprises a brake-by-wire system according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211081050.8A CN115140006B (en) | 2022-09-06 | 2022-09-06 | Brake-by-wire system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211081050.8A CN115140006B (en) | 2022-09-06 | 2022-09-06 | Brake-by-wire system and vehicle |
Publications (2)
| Publication Number | Publication Date |
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| CN115140006A CN115140006A (en) | 2022-10-04 |
| CN115140006B true CN115140006B (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211081050.8A Active CN115140006B (en) | 2022-09-06 | 2022-09-06 | Brake-by-wire system and vehicle |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2925442A1 (en) * | 2007-12-21 | 2009-06-26 | Bosch Gmbh Robert | HYDRAULIC CONTROL DEVICE OF A BRAKE CYLINDER MASTER |
| DE102008003381A1 (en) * | 2008-01-07 | 2009-07-09 | Wabco Gmbh | Brake system for a vehicle |
| KR101324995B1 (en) * | 2012-04-30 | 2013-11-04 | 주식회사 만도 | Hydraulic brake system controlled electronically |
| CN105799679B (en) * | 2016-04-14 | 2018-07-06 | 芜湖伯特利汽车安全系统股份有限公司 | Oil pressure energy assisted braking system and its control method |
| CN113799754A (en) * | 2020-06-11 | 2021-12-17 | 芜湖伯特利电子控制系统有限公司 | Brake system for automatic driving vehicle |
| CN112977383B (en) * | 2021-04-15 | 2022-10-18 | 一汽解放汽车有限公司 | Double-booster decoupling type hydraulic braking system |
| CN216185080U (en) * | 2021-11-03 | 2022-04-05 | 苏州创物汽车科技有限公司 | Three-channel brake system of electric automobile |
| CN113954802A (en) * | 2021-11-19 | 2022-01-21 | 万向钱潮股份有限公司 | Braking device with double sets of electronic braking power-assisted modules |
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2022
- 2022-09-06 CN CN202211081050.8A patent/CN115140006B/en active Active
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| CN115140006A (en) | 2022-10-04 |
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