CN116252765B - Integrated braking and redundant braking system for vehicle and vehicle - Google Patents
Integrated braking and redundant braking system for vehicle and vehicle Download PDFInfo
- Publication number
- CN116252765B CN116252765B CN202310334672.5A CN202310334672A CN116252765B CN 116252765 B CN116252765 B CN 116252765B CN 202310334672 A CN202310334672 A CN 202310334672A CN 116252765 B CN116252765 B CN 116252765B
- Authority
- CN
- China
- Prior art keywords
- brake
- redundant
- integrated
- control valve
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000001105 regulatory effect Effects 0.000 claims abstract description 136
- 230000000712 assembly Effects 0.000 claims abstract description 10
- 238000000429 assembly Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 50
- 238000004891 communication Methods 0.000 claims description 34
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 239000012530 fluid Substances 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
- B60T13/10—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 fluid assistance, drive, or release
- B60T13/12—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 fluid assistance, drive, or release the fluid being liquid
- B60T13/14—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 fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
- B60T13/142—Systems with master cylinder
- B60T13/147—In combination with distributor valve
-
- 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
- B60T13/10—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 fluid assistance, drive, or release
- B60T13/12—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 fluid assistance, drive, or release the fluid being liquid
- B60T13/14—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 fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
- B60T13/142—Systems with master cylinder
- B60T13/145—Master cylinder integrated or hydraulically coupled with booster
-
- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
- B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
- B60T8/4081—Systems with stroke simulating devices for driver input
- B60T8/409—Systems with stroke simulating devices for driver input characterised by details of the stroke simulating device
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention relates to the technical field of vehicle braking systems, in particular to a vehicle integrated braking and redundant braking system and a vehicle, wherein the system comprises an integrated braking unit, a redundant braking unit, a braking oil storage pot assembly and a plurality of wheel brake assemblies, and the integrated braking unit comprises an integrated braking controller, a braking master cylinder, a braking pedal and an integrated braking unit pressure building module; the redundant brake unit comprises a redundant brake controller and a redundant unit pressure building module, the redundant unit pressure building module is communicated with the brake oil storage kettle assembly, the redundant unit pressure building module is communicated with a redundant unit pressure regulating valve group, the redundant unit pressure regulating valve group is communicated with a redundant brake control valve, and the redundant brake control valve is communicated with an integrated unit wheel end brake control valve group. The invention solves the problems that in the prior art, the oil way structure of the whole brake system of the vehicle is complex, so that the manufacturing, the checking and the maintenance are difficult and the cost is high, and in addition, the cost of the whole brake system is high along with the increase of the number of the control valves.
Description
Technical Field
The invention relates to the technical field of vehicle braking systems, in particular to a vehicle integrated braking and redundant braking system and a vehicle.
Background
In a hydraulic braking system in a traditional fuel vehicle, after a brake pedal is stepped on by you, the pedal pushes a vacuum booster, and pressure is provided for a single-cavity brake master cylinder through the vacuum degree difference principle of the booster, so that a hydraulic control wheel clamp piston generated by the whole hydraulic braking system clamps a brake disc, and the braking effect is achieved. And if vacuum leakage and pipeline leakage co-workers occur during the running process of the vehicle, the vehicle is completely out of control. The security level is almost zero. The pure electric car completely cancels the engine, the vacuum system is not arranged in the system, the simplest solution is to add an electric vacuum pump at the front end of the booster, and the electric vacuum pump provides vacuum for the vacuum booster, so that the normal operation of the system is ensured.
With the development of industry, a new control scheme of a brake system is proposed by a company, namely a wire control technology, and a traditional vacuum booster system is replaced by an accurate electronic sensor and an electronic control mechanical execution unit. The working principle of the system is as follows: when the brake pedal pushes the master cylinder to move, the master cylinder stroke sensor sends displacement information of the master cylinder to the controller, the controller analyzes the master cylinder stroke and calculates the torque which the servo motor should provide at the moment, the motor torque directly acts on the hydraulic circuit, and hydraulic pressure is generated to be converted into braking force of the wheel. The system mainly represents a BoshiiBooster which is a product mainly applied in the market, but can only meet the intelligent driving assistance of L2 level, and if the automatic driving requirement of L3 level and above is met, the ONE-BOX technical scheme which has higher integration level, lighter weight, higher energy recovery efficiency, longer endurance time, shorter braking distance, lower cost and higher safety than the two-BOX technical scheme is adopted.
According to the requirements of automatic driving regulations SAE J3016-201606, when the vehicle is intelligently driven by the latest proposal, the intelligent driving grade meets the requirement of L3 and above, a redundant braking system for backup needs to be configured besides the original auxiliary braking unit, and under the condition that the original main braking system is effective for a certain special reason, the redundant braking system is needed to replace an integrated braking system to brake the vehicle, and all control inputs of the automatic driving system are executed.
In the prior art, a main braking unit of a braking system comprises a pressure increasing valve connected with a wheel cylinder, a redundant braking unit comprises a redundant pressure building module for building redundant pressure, an output port of the redundant pressure building module is directly connected with the pressure increasing valve, and in order to control the communication relation between the output port of the redundant pressure building module and the wheel cylinder, a control valve is required to be arranged between the output port of the redundant pressure building module and the pressure increasing valve so as to connect or disconnect the output port of the redundant pressure building module and the pressure increasing valve, and further control whether the redundant pressure building module intervenes in braking the wheel cylinder.
Therefore, the existing redundant brake unit and the internal oil circuit of the main brake unit are in cross connection or share part of the oil circuit, so that a complex connecting oil circuit is usually required to be arranged between the redundant pressure building module and the booster valve, and a plurality of control valves are required to be matched with the corresponding oil circuit, so that the oil circuit result of the whole brake system is complex, the manufacturing, checking and maintaining are difficult and the cost is high, and in addition, the cost of the whole brake system is high along with the increase of the number of the control valves.
Disclosure of Invention
In view of the above, the present invention is to provide an integrated braking and redundant braking system for a vehicle and a vehicle, which solve the problems of the prior art that the oil path structure of the whole braking system of the vehicle is complex, making manufacturing, inspection and maintenance difficult and high in cost, and the cost of the whole braking system is high along with the increase of the number of control valves.
The invention solves the technical problems by the following technical means:
the invention discloses an integrated braking and redundant braking system for a vehicle, which comprises an integrated braking unit, a redundant braking unit, a braking oil storage pot assembly and a plurality of wheel side brake assemblies, wherein the integrated braking unit comprises an integrated braking controller, a single-cavity braking master cylinder, a braking pedal and an integrated braking unit pressure building module, the single-cavity braking master cylinder is connected with the braking pedal, the single-cavity braking master cylinder is communicated with the braking oil storage pot assembly, and a displacement sensor is arranged on the single-cavity braking master cylinder; the integrated brake unit pressure building module is communicated with the brake oil storage kettle assembly, the integrated brake unit pressure building module is also communicated with an integrated brake control valve, the integrated brake control valve is communicated with a plurality of integrated unit wheel end brake control valve groups, the integrated unit wheel end brake control valve groups are communicated with the wheel side brake assembly, and the displacement sensor, the integrated brake control valve, the integrated unit wheel end brake control valve groups and the integrated brake unit pressure building module are all in communication connection with the integrated brake controller; the redundant brake unit comprises a redundant brake controller and a redundant unit pressure building module, the redundant unit pressure building module is communicated with a brake oil storage kettle assembly, the redundant unit pressure building module is communicated with a redundant unit pressure regulating valve group, the redundant unit pressure regulating valve group is communicated with a redundant brake control valve, and the redundant brake control valve is communicated with an integrated unit wheel end brake control valve group; the redundant unit pressure building module, the redundant unit pressure regulating valve group and the redundant brake control valve are all in communication connection with the redundant brake controller.
Further, the integrated brake control valve comprises an integrated brake control valve I, an integrated brake control valve II and an integrated brake control valve III, wherein two ends of the integrated brake control valve I are respectively communicated with the integrated brake unit pressure building module and part of the integrated unit wheel end brake control valve groups, and two ends of the integrated brake control valve II are respectively communicated with the integrated brake unit pressure building module and the rest part of the integrated unit wheel end brake control valve groups; and two ends of the integrated brake control valve III are respectively communicated with the integrated brake unit pressure building module and the brake oil storage kettle assembly. In the technical scheme, a displacement sensor connected to a single-cavity brake master cylinder feeds back displacement information of the single-cavity brake master cylinder to an integrated brake controller, the integrated brake controller sends a motor current signal to an integrated brake unit pressure building module according to a set program command, and opens an integrated brake control valve I, an integrated brake control valve II and an integrated brake control valve III, the integrated brake unit pressure building module acts on an oil way to increase the pressure of the oil way, and the pressure reaches an integrated unit wheel end brake control valve group along with the pipeline and pushes a friction plate to clamp a brake disc by acting on a caliper piston of a wheel side brake assembly so as to achieve the wheel side brake effect.
Further, the wheel side brake assembly comprises a brake caliper, a brake disc, a friction plate and a wheel speed sensor, wherein the wheel speed sensor is in communication connection with the integrated brake controller. In the technical scheme, the wheel brake assembly mainly aims at converting hydraulic pressure of an oil way into braking force of a brake disc, so that the speed of the whole vehicle is controlled. In addition, the integrated brake controller monitors wheel side wheel speed information in real time through a wheel speed sensor, and if an abnormal phenomenon exists in braking of a certain wheel, the wheel speed of the integrated brake controller can reach the stabilizing effect of the whole vehicle by controlling a wheel end brake control valve group of the integrated unit; if the wheel side brake assembly is effective at a certain position, a pressure sensor in a pipeline can detect which circuit the pipeline problem occurs in, and the whole vehicle can ensure normal braking force by controlling the opening or closing of the first integrated brake control valve and the second integrated brake control valve.
Further, the integrated brake unit further comprises a pedal simulator, the pedal simulator is communicated with the single-cavity brake master cylinder, an integrated brake control valve IV is arranged on a communication pipeline between the pedal simulator and the single-cavity brake master cylinder, and the integrated brake control valve IV and the pedal simulator are both in communication connection with the integrated brake controller. According to the technical scheme, in the operation control of the system, in the non-intelligent driving state, a driver actively controls the brake pedal, at the moment, the brake pedal is in a full decoupling state, a small feedback unit can be formed by the brake pedal, the single-cavity brake master cylinder and the pedal simulator, when the driver steps on the brake pedal, the pedal simulator provides a reaction force for the brake pedal, and the driver feels the braking effect of the whole vehicle through the deceleration of the whole vehicle and the feedback of pedal force.
Further, the number of the wheel edge brake assemblies is four, and the four wheel edge brake assemblies are respectively arranged on four wheels of the vehicle. According to the technical scheme, the wheel side brake assemblies are arranged on each wheel, so that the braking and stability of the vehicle are better.
Further, the integrated unit wheel end brake control valve group comprises a wheel end brake pressure regulating valve I and a wheel end brake pressure regulating valve II, and an integrated unit one-way valve, wherein two ends of the integrated unit one-way valve are respectively communicated with two ends of the wheel end brake pressure regulating valve I through oil ways, one end of the wheel end brake pressure regulating valve I is communicated with the wheel end brake assembly and the wheel end brake pressure regulating valve II, and the other end of the wheel end brake pressure regulating valve I is communicated with an integrated brake unit building pressure module; the other end of the wheel end braking pressure regulating valve II is communicated with the braking oil storage kettle assembly.
Furthermore, the single-cavity brake master cylinder is also communicated with an integrated brake control valve IV, the integrated brake control valve IV is communicated with two wheel end brake control valve groups, and the integrated brake control valve IV is in communication connection with an integrated brake unit controller. When the whole vehicle is unexpected or under extreme conditions, the integrated brake unit and the redundant brake unit are failed at the same time, and the integrated brake control valve III and the redundant brake control valve III return to the closed state when losing control; at this time, the driver can open the integrated brake control valve four by manually stepping on the brake pedal, and the single-cavity brake master cylinder is connected to the wheel side brake assembly through the integrated brake control valve four and the four wheel side brake control valve groups, so that the whole vehicle generates deceleration and stops, and the safety of the whole vehicle is ensured as much as possible under limited conditions.
Further, the redundant brake unit further comprises a first liquid storage cavity and a second liquid storage cavity, the redundant unit pressure regulating valve group comprises a first redundant unit pressure regulating valve group and a second redundant unit pressure regulating valve group, the first liquid storage cavity is respectively communicated with the brake oil storage kettle assembly, the first redundant unit pressure regulating valve group and the redundant unit pressure building module, and the second liquid storage cavity is respectively communicated with the brake oil storage kettle assembly, the second redundant unit pressure regulating valve group and the redundant unit pressure building module; the first redundant unit pressure regulating valve group and the second redundant unit pressure regulating valve group are both in communication connection with a redundant brake controller. In the technical scheme, the first liquid storage cavity and the second liquid storage cavity are used for storing partial pressure of the pipeline and can supplement liquid to the oil way under certain special conditions; the arrangement of the first redundant unit pressure regulating valve group and the second redundant unit pressure regulating valve group can respectively control a plurality of wheel brake assemblies.
Further, the redundant brake control valve comprises a first redundant brake control valve 22, a second redundant brake control valve 23 and a third redundant brake control valve 2, wherein the first redundant brake control valve is communicated between the first redundant unit pressure regulating valve group and part of the integrated unit wheel end brake control valve groups, the second redundant brake control valve is communicated between the second redundant unit pressure regulating valve group and the rest of the integrated unit wheel end brake control valve groups, the third redundant brake control valve is communicated on the communication pipelines of the brake oil storage pot assembly, the first liquid storage cavity and the second liquid storage cavity, and the first redundant brake control valve, the second redundant brake control valve and the third redundant brake control valve are all in communication connection with the redundant brake controller.
Further, the first redundant unit pressure regulating valve group comprises a redundant pressure regulating valve I, a redundant pressure regulating valve II and a redundant unit one-way valve I, one end of the redundant pressure regulating valve I is communicated with the first liquid storage cavity and the redundant brake control valve III, and the other end of the redundant pressure regulating valve I is communicated with the redundant brake control valve I; one end of the second redundancy pressure regulating valve is communicated with the first liquid storage cavity, the other end of the second redundancy pressure regulating valve is communicated with the redundancy brake control valve, two ends of the first redundancy unit check valve are respectively communicated with two ends of the first redundancy pressure regulating valve, and the first redundancy pressure regulating valve, the second redundancy pressure regulating valve and the first redundancy unit check valve are all in communication connection with the redundancy brake controller.
Further, the second redundant unit pressure regulating valve group comprises a redundant pressure regulating valve III, a redundant pressure regulating valve IV and a redundant unit one-way valve II, one end of the redundant pressure regulating valve III is communicated with the second liquid storage cavity and the redundant brake control valve III, and the other end of the redundant pressure regulating valve III is communicated with the redundant brake control valve II; one end of the redundant pressure regulating valve IV is communicated with the second liquid storage cavity, and the other end of the redundant pressure regulating valve IV is communicated with the redundant brake control valve II; and two ends of the second check valve of the redundancy unit are respectively communicated with two ends of the third redundancy pressure regulating valve, and the third redundancy pressure regulating valve, the fourth redundancy pressure regulating valve and the second check valve of the redundancy unit are all in communication connection with the redundancy brake controller.
Further, the braking oil storage pot assembly comprises an oil pot body and a braking liquid level sensor, wherein the braking liquid level sensor is arranged in the oil pot body, and the braking liquid level sensor is electrically connected with a liquid level alarm. In the technical scheme, the oil pot body is used for storing brake fluid required by the whole system, so that the consumption required by the whole system in operation and the consumption of the wheel edge friction plate are ensured; in addition, the brake fluid can flow in each oil way normally by being used as a channel for connecting the whole system with the atmosphere. When the brake fluid in the oilcan body is consumed to a certain volume, the brake fluid level sensor can transmit signals to the liquid level alarm, the liquid level alarm can play a role in reminding a user of adding the brake fluid, and when the brake fluid leaks in certain structures in the system, the liquid level of the brake fluid is reduced to a certain degree, and the liquid level alarm can play a role in alarming in time.
In a second aspect, the invention also discloses a vehicle comprising a vehicle body and the vehicle integrated braking and redundant braking system.
The vehicle integrated braking and redundant braking system and the vehicle have the following advantages:
1. when the vehicle integrated brake and redundant brake system is in an intelligent driving state, a driver actively controls a brake pedal, a displacement sensor on a single-cavity brake master cylinder feeds back single-cavity brake master cylinder displacement information to an integrated brake controller, the integrated brake controller sends a motor current signal to an integrated brake unit pressure building module according to a set program command, and opens an integrated brake control valve I, an integrated brake control valve II and an integrated brake control valve III, the integrated brake unit pressure building module acts on an oil way to increase the pressure of the oil way, the pressure reaches an integrated unit wheel end brake control valve group along with the pipeline, and a friction plate is pushed to clamp a brake disc by acting on a piston of a wheel side brake assembly brake caliper, so that the wheel side brake effect is achieved. When in the intelligent driving mode, a driver does not intervene in braking control of the whole vehicle, and at the moment, the integrated braking unit controls the stability of the whole vehicle in the running process, wherein the integrated braking control valve I, the integrated braking control valve II and the integrated braking control valve III are in an open state, the integrated braking unit building module is always in a standby state, and the integrated braking controller controls all components of the integrated braking unit to work so as to ensure normal running braking of the whole vehicle; the oil way structure of the whole system is simpler, so that the whole system is more convenient to manufacture, check and maintain and has lower cost.
2. In the system, when the integrated brake unit fails, the integrated brake unit pressure building module or the integrated brake controller fails, the redundant brake controller receives the problem in the whole vehicle information discovery system, the redundant brake unit can be actively involved in the whole vehicle braking operation, at the moment, the integrated brake control valve I, the integrated brake control valve II and the integrated brake control valve III lose control and are in a closed state, the redundant brake controller controls the redundant brake control valve I, the redundant brake control valve II and the redundant brake control valve III to be opened, the pressure of a pipeline is controlled to enable the braking force of the whole vehicle to return to the whole vehicle state through the operation of the redundant unit pressure building module, at the moment, the system can prompt a driver that the braking system fails, and the driver can be actively involved in the whole vehicle operation, so that the whole vehicle is in a safe and controllable range, and the vehicle is safer.
3. In the vehicle integrated brake and redundant brake system, even if the vehicle is unexpected or under extreme conditions, if the integrated brake unit and the redundant brake unit are in failure at the same time, the integrated brake control valve III and the redundant brake control valve III return to the closed state in the state of losing control; at this time, the driver can also manually tread the brake pedal, the integrated brake control valve is opened, and the single-cavity brake master cylinder is connected to the wheel side brake assembly through the integrated brake control valve and the four wheel side brake control valve groups, so that the whole vehicle generates deceleration and stops, and the safety of the whole vehicle is ensured as much as possible under the limited condition.
Drawings
FIG. 1 is a schematic illustration of the structural connection of an integrated brake and redundant brake system for a vehicle in accordance with the present invention;
FIG. 2 is a schematic illustration of the structural connection of the integrated brake unit, brake reservoir assembly and wheel brake assembly of FIG. 1;
fig. 3 is a schematic diagram of the structural connection relationship of the redundant brake unit of fig. 1.
The reference numerals in the figures are:
an integrated brake unit 1, a redundant brake unit 2, a brake oil storage pot assembly 3, a wheel brake assembly 4,
The brake master cylinder 11, the integrated brake unit pressure building module 12, the integrated brake control valve I13, the integrated brake control valve II 14, the integrated unit wheel end brake control valve group 15, the integrated unit one-way valve 16, the main brake unit oil pipeline 17, the integrated brake control valve III 18, the pedal simulator 19, the wheel end brake pressure regulating valve I151, the wheel end brake pressure regulating valve II 152, the integrated brake control valve IV 191, the brake master cylinder brake system and the integrated brake master cylinder brake system,
The redundant unit pressure building module 21, the redundant brake control valve I22, the redundant brake control valve II 23, the redundant brake oil pipeline 24, the redundant pressure regulating valve I25, the redundant pressure regulating valve II 26, the first liquid storage cavity 27, the second liquid storage cavity 271, the redundant brake control valve III 28, the redundant unit check valve I29, the redundant unit check valve II 291, the redundant pressure regulating valve III 251, the redundant pressure regulating valve IV 261, the first oil can outlet 31 and the second oil can outlet 32.
Detailed Description
The invention will be described in detail below with reference to the attached drawings and specific examples:
the following embodiments of the present invention are described in terms of specific examples, and those skilled in the art will appreciate the advantages and capabilities of the present invention from the disclosure herein. It should be noted that, the illustrations provided in the following embodiments are for illustration only, and are shown in schematic drawings, not physical drawings, and are not to be construed as limiting the invention, and in order to better illustrate the embodiments of the invention, certain components in the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present invention, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is merely for convenience in describing the present invention and simplifying the description, and it is not indicated or implied that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present invention, and that the specific meanings of the terms described above may be understood by those skilled in the art according to circumstances.
Example 1,
As shown in fig. 1-2, the present embodiment is a vehicle integrated braking and redundant braking system, which includes an integrated braking unit 1, a redundant braking unit 2, a braking oil reservoir assembly 3, and four wheel-side brake assemblies 4, where the four wheel-side brake assemblies 4 are respectively disposed on four wheels of the vehicle. The brake oil storage pot assembly 3 comprises an oil pot body and a brake liquid level sensor, wherein the brake liquid level sensor is arranged in the oil pot body and is electrically connected with a liquid level alarm, and the brake oil storage pot body is provided with an oil pot first outlet 31 and an oil pot second outlet 32; the wheel-side brake assembly 4 includes brake calipers, brake disks, friction plates, and wheel speed sensors as is known in the art.
The integrated brake unit 1 comprises an integrated brake controller, a pedal simulator 19, a single-cavity brake master cylinder 11, a brake pedal 5 and an integrated brake unit pressure building module 12, wherein the single-cavity brake master cylinder 11 is connected with the brake pedal 5, the single-cavity brake master cylinder 11 is communicated with the brake oil storage pot assembly 3, and a displacement sensor is arranged on the single-cavity brake master cylinder 11; the integrated brake unit builds pressure module 12 and braking oil storage pot assembly 3 intercommunication, integrated brake unit builds pressure module 12 still to communicate there is integrated brake control valve, integrated brake control valve intercommunication has a plurality of integrated unit wheel end brake control valves 15, integrated unit wheel end brake control valves 15 and rim brake assembly 4 intercommunication, wheel speed sensor, displacement sensor, integrated brake control valve, integrated unit wheel end brake control valves and integrated brake unit build pressure module 12 all with integrated brake controller communication connection.
The integrated brake control valve of the embodiment comprises an integrated brake control valve I13, an integrated brake control valve II 14 and an integrated brake control valve III 18, wherein two ends of the integrated brake control valve I13 are respectively communicated with an integrated brake unit pressure building module 12 and two integrated unit wheel end brake control valve groups 15, and two ends of the integrated brake control valve II 14 are respectively communicated with the integrated brake unit pressure building module 12 and the remaining two integrated unit wheel end brake control valve groups 15; two ends of the integrated brake control valve III 18 are respectively communicated with the integrated brake unit pressure building module 12 and the brake oil storage pot assembly 3. The pedal simulator 19 is communicated with the single-cavity brake master cylinder 11, an integrated brake control valve IV 191 is arranged on a communication pipeline between the pedal simulator 19 and the single-cavity brake master cylinder 11, and the integrated brake control valve IV 191 and the pedal simulator 19 are both in communication connection with an integrated brake controller.
The wheel end brake control valve group 15 of the integrated unit comprises a wheel end brake pressure regulating valve I151, a wheel end brake pressure regulating valve II 152 and an integrated unit check valve 16, wherein two ends of the integrated unit check valve 16 are respectively communicated with two ends of the wheel end brake pressure regulating valve I151 through oil ways, one end of the wheel end brake pressure regulating valve I151 is communicated with the wheel end brake assembly 4 and the wheel end brake pressure regulating valve II 152, and the other end of the wheel end brake pressure regulating valve I151 is communicated with the integrated brake unit pressure building module 12; the other end of the wheel end brake pressure regulating valve II 152 is communicated with the brake oil storage pot assembly 3.
In addition, the single-cavity brake master cylinder 11 is also communicated with an integrated brake control valve IV 191, the integrated brake control valve IV 191 is communicated with two wheel end brake control valve groups 15, and the integrated brake control valve IV 191 is in communication connection with an integrated brake unit controller.
The redundant brake unit 2 comprises a redundant brake controller and a redundant unit pressure building module 21, wherein the redundant unit pressure building module 21 is communicated with the brake oil storage pot assembly 3, a communication pipeline is a redundant brake oil pipeline 24, the redundant unit pressure building module 21 is communicated with a redundant unit pressure regulating valve group, the redundant unit pressure regulating valve group is communicated with a redundant brake control valve, and the redundant brake control valve is communicated with an integrated unit wheel end brake control valve group; the redundant unit pressure building module 21, the redundant unit pressure regulating valve group and the redundant brake control valve are all in communication connection with the redundant brake controller.
The redundant brake unit 2 further comprises a first liquid storage cavity 27 and a second liquid storage cavity 271, the redundant unit pressure regulating valve group comprises a first redundant unit pressure regulating valve group and a second redundant unit pressure regulating valve group, the first liquid storage cavity 27 is respectively communicated with the brake oil storage kettle assembly 3, the first redundant unit pressure regulating valve group and the redundant unit pressure building module 21, and the second liquid storage cavity 271 is respectively communicated with the brake oil storage kettle assembly 3, the second redundant unit pressure regulating valve group and the redundant unit pressure building module 21; the first redundant unit pressure regulating valve group and the second redundant unit pressure regulating valve group are both in communication connection with a redundant brake controller. The redundant brake control valve comprises a first redundant brake control valve 22, a second redundant brake control valve 23 and a third redundant brake control valve 28, wherein the first redundant brake control valve 22 is communicated between the first redundant unit pressure regulating valve group and part of the integrated unit wheel end brake control valve groups 15, the second redundant brake control valve 23 is communicated between the second redundant unit pressure regulating valve group and the rest of the integrated unit wheel end brake control valve groups 15, a communication pipeline between the second redundant unit pressure regulating valve group and the rest of the integrated unit wheel end brake control valve groups is a main brake unit oil pipeline 17, the third redundant brake control valve 28 is communicated on communication pipelines of the brake oil storage pot assembly 3, the first liquid storage cavity 27 and the second liquid storage cavity 271, and the first redundant brake control valve 22, the second redundant brake control valve 23 and the third redundant brake control valve 28 are all in communication connection with a redundant brake controller.
The first redundant unit pressure regulating valve group comprises a first redundant pressure regulating valve 25, a second redundant pressure regulating valve 26 and a first redundant unit check valve 29, one end of the first redundant pressure regulating valve 25 is communicated with the first liquid storage cavity 27 and the third redundant brake control valve 28, and the other end of the first redundant pressure regulating valve 25 is communicated with the first redundant brake control valve 22; one end of the second redundancy pressure regulating valve 26 is communicated with the first liquid storage cavity 27, the other end of the second redundancy pressure regulating valve 26 is communicated with the first redundancy brake control valve 22, two ends of the first redundancy unit check valve 29 are respectively communicated with two ends of the first redundancy pressure regulating valve 25, and the first redundancy pressure regulating valve 25, the second redundancy pressure regulating valve 26 and the first redundancy unit check valve 29 are all in communication connection with a redundancy brake controller. The second redundant unit pressure regulating valve group comprises a third redundant pressure regulating valve 251, a fourth redundant pressure regulating valve 261 and a second redundant unit check valve 291, one end of the third redundant pressure regulating valve 251 is communicated with the second liquid storage cavity 271 and the third redundant brake control valve 28, and the other end of the third redundant pressure regulating valve 251 is communicated with the second redundant brake control valve 23; one end of the fourth redundant pressure regulating valve 261 is communicated with the second liquid storage cavity 271, and the other end of the fourth redundant pressure regulating valve 261 is communicated with the second redundant brake control valve 23; two ends of the second redundancy unit check valve 291 are respectively communicated with two ends of the third redundancy pressure regulating valve 251, and the third redundancy pressure regulating valve 251, the fourth redundancy pressure regulating valve 261 and the second redundancy unit check valve are all in communication connection with a redundancy brake controller.
The control method of the vehicle integrated braking and redundant braking system comprises the following steps:
the brake oil storage pot assembly 3 is connected with an integrated brake unit 1 and a redundant brake unit 2, a single-cavity brake master cylinder 11 is connected with a pedal simulator 19 and a front loop, an integrated brake unit pressure building module 12 is connected with an integrated brake control valve I13 and an integrated brake control valve II 14, the integrated brake control valve I13 and the integrated brake control valve II 14 are respectively connected with two integrated unit wheel end brake control valve groups 15, and one set of integrated unit wheel end brake control valve groups 15 control one set of wheel side brake assembly 4. The redundant brake unit 2 is connected with the brake oil storage pot assembly 3, the redundant unit pressure building module 21 is connected with the first redundant pressure regulating valve 25, the second redundant pressure regulating valve 26, the third redundant pressure regulating valve 251 and the fourth redundant pressure regulating valve 261, then the first redundant pressure regulating valve 25 and the second redundant pressure regulating valve 26 are connected with the first redundant brake control valve 22, and the third redundant pressure regulating valve 251 and the fourth redundant pressure regulating valve 261 are connected with the second redundant brake control valve 23.
In the actual system operation control application, in the non-intelligent driving state, a driver actively controls the brake pedal 5, at the moment, the brake pedal 5 is in a full decoupling state, the brake pedal 5, the single-cavity brake master cylinder 11 and the pedal simulator 19 form a small feedback unit, when the driver presses the brake pedal 5, the pedal simulator 19 provides a reaction force for the brake pedal 5, and the driver feels the braking effect of the whole vehicle through the deceleration of the whole vehicle and the force feedback of the brake pedal 5. The displacement sensor connected to the single-cavity brake master cylinder 11 feeds back the displacement information of the single-cavity brake master cylinder to the integrated brake controller, the integrated brake controller sends a motor current signal to the integrated brake unit pressure building module 12 according to a set program command, the integrated brake control valve I13, the integrated brake control valve II 14 and the integrated brake control valve III 18 are opened, the integrated brake unit pressure building module 12 acts on an oil way, the pressure of the oil way is increased, the pressure reaches the integrated unit wheel end brake control valve group 15 along with the pipeline, and the friction plate is pushed to clamp a brake disc by acting on a piston of a brake caliper of the wheel side brake assembly 4, so that the wheel side brake effect is achieved.
In addition, the integrated brake controller monitors wheel side wheel speed information in real time through a wheel speed sensor, and if an abnormal phenomenon exists in braking of a certain wheel, the wheel speed of the integrated unit can reach the stabilizing effect of the whole vehicle through controlling the wheel end brake control valve group 15. If a certain position of the wheel side brake assembly 4 fails, a pressure sensor in a pipeline detects which circuit the pipeline problem occurs in, and the integrated brake control valve I13 and the integrated brake control valve II 14 are controlled to be opened or closed, so that the whole vehicle can ensure normal braking force.
In the intelligent driving mode, a driver does not intervene in braking control of the whole vehicle, at the moment, the integrated brake unit 1 controls the stability of the whole vehicle in the running process, wherein the integrated brake control valve I13, the integrated brake control valve II 14 and the integrated brake control valve III 18 are all in an open state, the integrated brake unit pressure building module 12 is always in a standby state, and all components of the integrated brake unit 1 are controlled to work through an integrated brake controller, so that normal running braking of the whole vehicle is ensured.
When the integrated brake unit 1 fails, the integrated brake unit pressure building module 12 or the integrated brake controller fails, the redundant brake controller receives the problem in the whole vehicle information discovery system, the redundant brake unit actively intervenes in the whole vehicle braking operation, at the moment, the integrated brake control valve I13, the integrated brake control valve II 14 and the integrated brake control valve III 18 lose control and are in a closed state, the redundant brake controller controls the redundant brake control valve I22, the redundant brake control valve II 23 and the redundant brake control valve III 28 to be opened, the redundant unit pressure building module 21 works, and the pipeline pressure is controlled so as to enable the braking force of the whole vehicle to return to the whole vehicle state, at the moment, the system can prompt the driver that the braking system fails, and the driver actively intervenes in the whole vehicle operation, so that the whole vehicle is in a safe and controllable range.
When the whole vehicle fails under unexpected or extreme conditions, the integrated brake control valve III 18 and the redundant brake control valve III 28 return to the closed state when losing control under the condition that the integrated brake unit 1 and the redundant brake unit 2 fail at the same time, and a driver can manually tread the brake pedal 5 and connect the brake pedal 5 to the wheel side brake assembly 4 through the single-cavity brake master cylinder 11 to enable the whole vehicle to generate deceleration and stop. Under the limited condition, the safety of the whole vehicle is ensured as much as possible.
EXAMPLE 2,
The present embodiment is a vehicle including a vehicle body and the vehicle integrated-brake and redundant-brake system of embodiment 1 described above. The braking system of the vehicle is simpler and has low maintenance cost.
The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention. The technology, shape, and construction parts of the present invention, which are not described in detail, are known in the art.
It should be noted that references in the specification to "one embodiment," "an embodiment," "some alternative embodiments," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on something", but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).
Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. The utility model provides a vehicle integrated braking and redundant braking system, includes integrated braking unit, redundant braking unit, braking oil storage pot assembly and a plurality of wheel limit stopper assembly, its characterized in that: the integrated brake unit comprises an integrated brake controller, a single-cavity brake master cylinder, a brake pedal and an integrated brake unit pressure building module, wherein the single-cavity brake master cylinder is connected with the brake pedal and is communicated with a brake oil storage pot assembly, and a displacement sensor is arranged on the single-cavity brake master cylinder; the integrated brake unit pressure building module is communicated with the brake oil storage kettle assembly, the integrated brake unit pressure building module is also communicated with an integrated brake control valve, the integrated brake control valve is communicated with a plurality of integrated unit wheel end brake control valve groups, the integrated unit wheel end brake control valve groups are communicated with the wheel side brake assembly, and the displacement sensor, the integrated brake control valve, the integrated unit wheel end brake control valve groups and the integrated brake unit pressure building module are all in communication connection with the integrated brake controller; the redundant brake unit comprises a redundant brake controller and a redundant unit pressure building module, the redundant unit pressure building module is communicated with a brake oil storage kettle assembly, the redundant unit pressure building module is communicated with a redundant unit pressure regulating valve group, the redundant unit pressure regulating valve group is communicated with a redundant brake control valve, and the redundant brake control valve is communicated with an integrated unit wheel end brake control valve group; the redundant unit pressure building module, the redundant unit pressure regulating valve group and the redundant brake control valve are all in communication connection with the redundant brake controller; the integrated brake control valve comprises an integrated brake control valve I, an integrated brake control valve II and an integrated brake control valve III, wherein two ends of the integrated brake control valve I are respectively communicated with the integrated brake unit pressure building module and part of the integrated unit wheel end brake control valve groups, and two ends of the integrated brake control valve II are respectively communicated with the integrated brake unit pressure building module and the rest part of the integrated unit wheel end brake control valve groups; two ends of the integrated brake control valve III are respectively communicated with the integrated brake unit pressure building module and the brake oil storage kettle assembly; the redundant brake unit further comprises a first liquid storage cavity and a second liquid storage cavity, the redundant unit pressure regulating valve group comprises a first redundant unit pressure regulating valve group and a second redundant unit pressure regulating valve group, the first liquid storage cavity is respectively communicated with the brake oil storage kettle assembly, the first redundant unit pressure regulating valve group and the redundant unit pressure building module, and the second liquid storage cavity is respectively communicated with the brake oil storage kettle assembly, the second redundant unit pressure regulating valve group and the redundant unit pressure building module; the first redundant unit pressure regulating valve group and the second redundant unit pressure regulating valve group are both in communication connection with a redundant brake controller; the redundant brake control valve comprises a first redundant brake control valve, a second redundant brake control valve and a third redundant brake control valve, wherein the first redundant brake control valve is communicated between the first redundant unit pressure regulating valve group and a part of the integrated unit wheel end brake control valve groups, the second redundant brake control valve is communicated between the second redundant unit pressure regulating valve group and the rest of the integrated unit wheel end brake control valve groups, the third redundant brake control valve is communicated on the communication pipeline of the brake oil storage kettle assembly, the first liquid storage cavity and the second liquid storage cavity, and the first redundant brake control valve, the second redundant brake control valve and the third redundant brake control valve are all in communication connection with the redundant brake controller.
2. An integrated brake and redundant brake system for a vehicle as set forth in claim 1 wherein: the wheel side brake assembly comprises a brake caliper, a brake disc, a friction plate and a wheel speed sensor, and the wheel speed sensor is in communication connection with the integrated brake controller.
3. An integrated brake and redundant brake system for a vehicle as set forth in claim 2 wherein: the integrated brake unit further comprises a pedal simulator, the pedal simulator is communicated with the single-cavity brake master cylinder, an integrated brake control valve IV is arranged on a communication pipeline between the pedal simulator and the single-cavity brake master cylinder, and the integrated brake control valve IV and the pedal simulator are both in communication connection with the integrated brake controller.
4. A vehicle integrated-braking and redundant-braking system as set forth in claim 3 wherein: the number of the wheel edge brake assemblies is four, and the four wheel edge brake assemblies are respectively arranged on four wheels of the vehicle.
5. An integrated brake and redundant brake system for a vehicle as set forth in claim 4 wherein: the wheel end braking control valve group of the integrated unit comprises a wheel end braking pressure regulating valve I and a wheel end braking pressure regulating valve II, two ends of the integrated unit one-way valve are respectively communicated with two ends of the wheel end braking pressure regulating valve I through oil ways, one end of the wheel end braking pressure regulating valve I is communicated with the wheel end brake assembly and the wheel end braking pressure regulating valve II, and the other end of the wheel end braking pressure regulating valve I is communicated with the integrated braking unit building pressure module; the other end of the wheel end braking pressure regulating valve II is communicated with the braking oil storage kettle assembly.
6. An integrated brake and redundant brake system for a vehicle as set forth in claim 4 wherein: the single-cavity brake master cylinder is also communicated with an integrated brake control valve IV, the integrated brake control valve IV is communicated with two wheel end brake control valve groups, and the integrated brake control valve IV is communicated with an integrated brake unit controller.
7. An integrated brake and redundant brake system for a vehicle as set forth in claim 6 wherein: the first redundant unit pressure regulating valve group comprises a redundant pressure regulating valve I, a redundant pressure regulating valve II and a redundant unit one-way valve I, one end of the redundant pressure regulating valve I is communicated with the first liquid storage cavity and the redundant brake control valve III, and the other end of the redundant pressure regulating valve I is communicated with the redundant brake control valve I; one end of the second redundancy pressure regulating valve is communicated with the first liquid storage cavity, the other end of the second redundancy pressure regulating valve is communicated with the redundancy brake control valve, two ends of the first redundancy unit check valve are respectively communicated with two ends of the first redundancy pressure regulating valve, and the first redundancy pressure regulating valve, the second redundancy pressure regulating valve and the first redundancy unit check valve are all in communication connection with the redundancy brake controller.
8. An integrated brake and redundant brake system for a vehicle as set forth in claim 7 wherein: the second redundant unit pressure regulating valve group comprises a redundant pressure regulating valve III, a redundant pressure regulating valve IV and a redundant unit one-way valve II, one end of the redundant pressure regulating valve III is communicated with the second liquid storage cavity and the redundant brake control valve III, and the other end of the redundant pressure regulating valve III is communicated with the redundant brake control valve II; one end of the redundant pressure regulating valve IV is communicated with the second liquid storage cavity, and the other end of the redundant pressure regulating valve IV is communicated with the redundant brake control valve II; and two ends of the second check valve of the redundancy unit are respectively communicated with two ends of the third redundancy pressure regulating valve, and the third redundancy pressure regulating valve, the fourth redundancy pressure regulating valve and the second check valve of the redundancy unit are all in communication connection with the redundancy brake controller.
9. An integrated brake and redundant brake system for a vehicle as set forth in claim 1 wherein: the braking oil storage pot assembly comprises an oil pot body and a braking liquid level sensor, wherein the braking liquid level sensor is arranged in the oil pot body, and the braking liquid level sensor is electrically connected with a liquid level alarm.
10. A vehicle, characterized in that: the vehicle comprising a vehicle body and the vehicle integrated-brake and redundant brake system of any one of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310334672.5A CN116252765B (en) | 2023-03-31 | 2023-03-31 | Integrated braking and redundant braking system for vehicle and vehicle |
| PCT/CN2023/128919 WO2024198352A1 (en) | 2023-03-31 | 2023-10-31 | Vehicle integrated braking and redundant braking system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310334672.5A CN116252765B (en) | 2023-03-31 | 2023-03-31 | Integrated braking and redundant braking system for vehicle and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116252765A CN116252765A (en) | 2023-06-13 |
| CN116252765B true CN116252765B (en) | 2024-03-19 |
Family
ID=86680928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310334672.5A Active CN116252765B (en) | 2023-03-31 | 2023-03-31 | Integrated braking and redundant braking system for vehicle and vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN116252765B (en) |
| WO (1) | WO2024198352A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116252765B (en) * | 2023-03-31 | 2024-03-19 | 重庆长安汽车股份有限公司 | Integrated braking and redundant braking system for vehicle and vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4427379C1 (en) * | 1994-08-03 | 1995-10-12 | Daimler Benz Ag | Brake pressure control system for vehicle with ABS brakes |
| CN108216174A (en) * | 2018-03-09 | 2018-06-29 | 吉林大学 | A kind of dual active boost braking system of redundance type |
| CN113799755A (en) * | 2020-06-12 | 2021-12-17 | 芜湖伯特利电子控制系统有限公司 | Hydraulic control unit with double motors and brake system |
| CN217320333U (en) * | 2022-05-07 | 2022-08-30 | 中汽创智科技有限公司 | Redundant brake unit and brake system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013227065B4 (en) * | 2013-12-23 | 2016-02-18 | Robert Bosch Gmbh | Hydraulic brake system with first and second brake pressure generator and method for operating a brake system |
| JP6097356B2 (en) * | 2015-08-05 | 2017-03-15 | 本田技研工業株式会社 | Braking device for vehicle |
| DE102017222445A1 (en) * | 2017-01-11 | 2018-07-12 | Continental Teves Ag & Co. Ohg | Brake system for a motor vehicle and method for operating a brake system |
| CN112776769B (en) * | 2019-11-08 | 2022-11-11 | 比亚迪股份有限公司 | Vehicle brake system and control method thereof |
| CN212637472U (en) * | 2020-04-30 | 2021-03-02 | 芜湖伯特利电子控制系统有限公司 | Braking system with redundancy design |
| CN116252765B (en) * | 2023-03-31 | 2024-03-19 | 重庆长安汽车股份有限公司 | Integrated braking and redundant braking system for vehicle and vehicle |
-
2023
- 2023-03-31 CN CN202310334672.5A patent/CN116252765B/en active Active
- 2023-10-31 WO PCT/CN2023/128919 patent/WO2024198352A1/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4427379C1 (en) * | 1994-08-03 | 1995-10-12 | Daimler Benz Ag | Brake pressure control system for vehicle with ABS brakes |
| CN108216174A (en) * | 2018-03-09 | 2018-06-29 | 吉林大学 | A kind of dual active boost braking system of redundance type |
| CN113799755A (en) * | 2020-06-12 | 2021-12-17 | 芜湖伯特利电子控制系统有限公司 | Hydraulic control unit with double motors and brake system |
| CN217320333U (en) * | 2022-05-07 | 2022-08-30 | 中汽创智科技有限公司 | Redundant brake unit and brake system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116252765A (en) | 2023-06-13 |
| WO2024198352A1 (en) | 2024-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110944889B (en) | Brake system | |
| US20210179051A1 (en) | Hydraulic motor vehicle braking system and method for operating same | |
| CN110182187B (en) | Energy feedback type active braking system with failure protection capability and control method | |
| US9566971B2 (en) | Hydraulic-pressure producing device and hydraulic brake system | |
| CN102046437B (en) | Brake system | |
| US7063393B2 (en) | Electronic brake system without pump unit | |
| US12024182B2 (en) | Vehicle control apparatus, vehicle control method, and vehicle control system | |
| US20210146900A1 (en) | Hydraulic motor vehicle braking system and method for operating same | |
| US9663077B2 (en) | Hydraulic-pressure control device and hydraulic braking system | |
| US9004613B2 (en) | Hydraulic brake system | |
| CN102224043A (en) | Brake system for a motor vehicle and motor vehicle comprising a brake system of said kind | |
| CN116252765B (en) | Integrated braking and redundant braking system for vehicle and vehicle | |
| CN212861418U (en) | Commercial vehicle brake control system with redundant brake control function | |
| CN113147704A (en) | Vehicle brake-by-wire system and braking method thereof | |
| CN110667551A (en) | Distributed brake system with vector-distributed brake pressure and control method thereof | |
| CN117565838A (en) | Wire control hydraulic brake control system with redundant brake | |
| CN113771815A (en) | Vehicle integrated electro-hydraulic braking system device | |
| CN113104014A (en) | Vehicle full-decoupling electro-hydraulic servo brake device and brake method thereof | |
| CN201800701U (en) | Electronic brake system based on FlexRay bus | |
| US20230103320A1 (en) | Hydraulic brake system | |
| CN110861625A (en) | Distributed braking system with failure backup and braking pressure vector control method thereof | |
| CN111873969B (en) | Electronic hydraulic line control brake system with independent double loops | |
| CN212709356U (en) | Vehicle brake-by-wire system with redundant isolation valve | |
| CN114750733A (en) | Brake-by-wire system and control method for automobile | |
| CN106347335A (en) | Assistance system for vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |