CN112224189B - Electronic control oil pressure braking system and vehicle - Google Patents
Electronic control oil pressure braking system and vehicle Download PDFInfo
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- CN112224189B CN112224189B CN201911307998.9A CN201911307998A CN112224189B CN 112224189 B CN112224189 B CN 112224189B CN 201911307998 A CN201911307998 A CN 201911307998A CN 112224189 B CN112224189 B CN 112224189B
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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
- B60T13/10—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
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
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- Regulating Braking Force (AREA)
Abstract
The invention provides an electronic control oil pressure braking system and a vehicle, wherein the system comprises: the brake cylinder module is used for driving the brake component to perform brake operation; an oil pressure distribution module connected to the brake cylinder module; and the oil pressure control module is electrically connected to the oil pressure distribution module and controls the oil pressure of the brake oil input into the brake cylinder module. Therefore, the oil pressure distribution module can be directly added into the traditional brake system, and then the oil pressure control module is matched with the oil pressure distribution module, so that the traditional brake system can be changed into the electric control oil pressure brake system. Moreover, the oil pressure distribution module is added into the traditional brake system to obtain the electric control oil pressure brake system, so that the chassis brake refitting of the driving requirement can be met, the oil pressure and the harness refitting amount are small, and the traditional brake system of the original vehicle is not destructively reformed.
Description
Technical Field
The invention relates to the technical field of braking, in particular to an electronic control oil pressure braking system and a vehicle.
Background
In recent years, the development trend of automatic driving technology is quite rapid, and with the increase of high-grade roads and the improvement of the average speed of automobiles, the requirement of automatic driving vehicles on braking performance is higher and higher. The conventional brake system has limited potential in improving the braking performance due to structural and principle limitations, and cannot meet the requirements of automatic driving on the brake system.
It has become a critical issue to improve the conventional braking system to realize safe and stable braking deceleration and parking of the autonomous vehicle within the shortest braking time and braking distance. However, the existing improvements have destructive effects on the conventional brake system, and the oil pressure and the harness modification amount are large.
Disclosure of Invention
In order to solve the above problems, the present invention provides an electronic control oil pressure brake system and a vehicle, which overcome the above technical problems.
In order to achieve the above object, a first aspect of the present application provides an electronically controlled oil pressure brake system, the system including: the brake cylinder module is used for driving the brake component to perform brake operation; the oil pressure distribution module is connected with the brake cylinder module and used for distributing a corresponding amount of brake oil to the brake cylinder module according to a control command so as to control the driving force output by the brake cylinder module; and the oil pressure control module is electrically connected with the oil pressure distribution module and is used for outputting the control command to the oil pressure distribution module so as to control the oil pressure of the brake oil input into the brake cylinder module.
Optionally, the system further includes: an oil reservoir for storing the brake oil; and the first oil conveying path is used for connecting the oil reservoir with the oil pressure distribution module, and conveying the brake oil in the oil reservoir to the oil pressure distribution module under the pressurization action of the oil pressure distribution module.
Optionally, the system further includes: the second oil conveying path is used for connecting the oil reservoir with the oil pressure distribution module; and the master brake pump is arranged on the second oil delivery path and used for pressurizing the brake oil in the oil reservoir and delivering the brake oil to the brake cylinder module.
Optionally, the oil pressure distribution module further includes: the separation valve is arranged on the second oil conveying path and used for opening and closing the connection of the second oil conveying path; the separating valve is electrically connected with the oil pressure control module and responds to an opening and closing instruction sent by the oil pressure control module to perform opening and closing switching; and/or the separating valve is linked with a brake pedal so as to control the opening and closing of the separating valve through the brake pedal.
Optionally, the oil pressure distribution module further includes: the oil return circuit is arranged between the oil pressure distribution module and the oil reservoir and is used for returning the brake oil in the oil pressure distribution module to the oil reservoir; the oil return control valve is arranged on the oil return path and used for opening and closing the connection of the oil return path; the oil return control valve is electrically connected with the oil pressure control module and responds to an opening and closing instruction sent by the oil pressure control module to perform opening and closing switching.
Optionally, the oil pressure distribution module further includes: a distribution oil reservoir connected to the oil reservoir through the first oil delivery path, connected to the oil reservoir through an oil return path, and connected to the brake cylinder module; and the high-pressure pump is arranged on the first oil delivery path, is electrically connected to the oil pressure control module, and is used for pressurizing the brake oil in the distribution oil reservoir according to a control command and delivering the pressurized brake oil to the brake cylinder module.
Optionally, the distribution reservoir is configured to store brake oil, and distribute the stored brake oil to the brake cylinder module according to the control command.
Optionally, the oil pressure distribution module further includes: and the oil storage pressure sensor is arranged on the distribution oil reservoir and is electrically connected to the oil pressure control module, and the oil pressure control module is used for measuring the oil pressure of the distribution oil reservoir and uploading a measuring result to the oil pressure control module to supply the oil pressure control module to control the passing amount of brake oil in the distribution oil reservoir.
Optionally, the oil pressure distribution module further includes: and the brake pressure sensor is used for measuring the pressure of the brake oil entering the brake cylinder module and uploading the measurement result to the oil pressure control module so that the oil pressure control module can control the amount of the brake oil entering the brake cylinder module.
The second aspect of the present application provides a vehicle including the above-described electronically controlled oil pressure brake system.
The invention has the beneficial effects that: the oil pressure distribution module can be directly added into the traditional braking system, and then the oil pressure control module is matched with the oil pressure distribution module, so that the traditional braking system is changed into an electric control oil pressure braking system. Moreover, the oil pressure distribution module is added into the traditional brake system to obtain the electric control oil pressure brake system, so that the chassis brake refitting of the driving requirement can be met, the oil pressure and the harness refitting amount are small, and the traditional brake system of the original vehicle is not destructively reformed. In addition, the automatic driving system is convenient to control vehicle braking, and meanwhile, the manual braking redundancy can take over the braking system at any time to brake the vehicle.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of an electric control oil pressure braking system according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a conventional brake system.
101, a brake cylinder module; 1011. ABS; 1012. a wheel cylinder; 1021. a master cylinder is braked; 1023. an oil reservoir; 103. a brake pedal; 104. an oil pressure distribution module; 1041. an oil return control valve; 1042. a separation valve; 1043. a brake pressure sensor; 1044. oil storage pressure sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In order to facilitate an understanding of the embodiments of the present invention, the structure of the present invention will be described in detail with reference to several specific embodiments.
According to a first embodiment of the present invention, as shown in fig. 1, there is provided an electronic control oil pressure brake system including: the brake cylinder module 101 is used for driving a brake component to perform brake operation; an oil pressure distribution module 104 connected to the brake cylinder module 101, and configured to distribute a corresponding amount of brake oil to the brake cylinder module 101 according to a control command so as to control the driving force output by the brake cylinder module 101; and an oil pressure control module electrically connected to the oil pressure distribution module 104, configured to output the control command to the oil pressure distribution module 104, so as to control the oil pressure of the brake oil input to the brake cylinder module 101.
In this way, the oil pressure distribution module 104 can be directly added to the conventional brake system, and then the oil pressure control module is matched with the oil pressure distribution module 104, so that the conventional brake system can be modified into an electric control oil pressure brake system. In addition, the oil pressure distribution module 104 is added in the traditional brake system to obtain the electric control oil pressure brake system, so that the chassis brake refitting of the driving requirement can be met, the oil pressure and the harness refitting amount are small, and the traditional brake system of the original vehicle is not destructively reformed. In addition, the automatic driving system is convenient to control vehicle braking, and meanwhile, the manual braking redundancy can take over the braking system at any time to brake the vehicle.
Specifically, in the present embodiment, according to fig. 1, there is provided an electronically controlled oil pressure brake system which is applied to a vehicle that can perform automatic driving, and of course, is also applied to a general vehicle. Moreover, the system comprises: a brake cylinder module 101, an oil pressure distribution module 104, and an oil pressure control module.
The brake cylinder module 101 is used to drive a brake component to perform a braking operation, and in this embodiment, the brake cylinder model is a brake component in a conventional brake system. Specifically, the brake cylinder module 101 includes an ABS1011 and each wheel cylinder 1021. In the present embodiment, the wheel cylinder 1012 includes, but is not limited to, one or more of the following: a front-left wheel cylinder FL, a front-right wheel cylinder FR, a rear-left wheel cylinder RL, and a rear-right wheel cylinder RR.
In the present embodiment, hydraulic distribution module 104 is connected to brake cylinder module 101, and hydraulic distribution module 104 is configured to distribute a corresponding amount of brake oil to brake cylinder module 101 according to a control command, so that hydraulic distribution module 104 controls the driving force output by brake cylinder module 101.
The oil pressure control module is electrically connected to the oil pressure distribution module 104, and the oil pressure control module is configured to output the control command to the oil pressure distribution module 104 to control the oil pressure of the brake oil input to the brake cylinder module 101.
Specifically, this oil pressure control module passes through CAN bus control oil pressure distribution module 104, and oil pressure distribution module 104 and oil pressure control module are 12V power supplies, moreover, CAN all take and CAN be from former car storage battery.
In this regard, the driving system sends a desired brake pressure signal to the hydraulic control module, the hydraulic control module sends a control command to the hydraulic distribution module 104, the hydraulic distribution module 104 inputs brake oil to the brake cylinder module 101 according to the desired brake pressure, and the brake oil pressure input to the ABS1011 is regulated by the hydraulic control module, and the vehicle generates a braking action accordingly.
Specifically, in this embodiment, the system includes: the oil reservoir 1023, the first oil delivery path, the second oil delivery path, the master cylinder 1021, the separating valve 1042, the oil return path, and the oil return control valve 1041.
Wherein, the oil reservoir 1023 is used for storing the brake oil; the first oil delivery path connects the oil reservoir 1023 and the hydraulic distribution module 104, and delivers the brake oil in the oil reservoir 1023 to the hydraulic distribution module 104 by the pressurization of the hydraulic distribution module 104.
In addition, the second oil delivery path is used for connecting the oil reservoir 1023 and the oil pressure distribution module 104; a master cylinder 1021 is provided on the second oil supply path, and the master cylinder 1021 pressurizes and supplies the brake oil in the oil reservoir 1023 to the brake cylinder module 101.
In addition, the separating valve 1042 is disposed on the second oil transportation path, and the separating valve 1042 is used for opening and closing the connection of the second oil transportation path; moreover, the separating valve 1042 is electrically connected to the oil pressure control module and switches between open and close in response to an open and close command sent by the oil pressure control module; and/or the separating valve 1042 is linked with a brake pedal 103, so that the opening and closing of the separating valve 1042 are controlled by the brake pedal 103.
Of course, in this embodiment, the oil return path is disposed between the oil pressure distribution module 104 and the oil reservoir 1023, and the oil return path is used for returning the brake oil in the oil pressure distribution module 104 to the oil reservoir 1023; moreover, the oil return control valve 1041 is disposed on the oil return path, and the oil return control valve 1041 is used for opening and closing the connection of the oil return path; the oil return control valve 1041 is electrically connected to the oil pressure control module, and the oil return control valve 1041 switches between open and close in response to an open and close instruction sent by the oil pressure control module.
In addition, in the present embodiment, the oil pressure distribution module 104 further includes: a dispensing reservoir 1023 and a high pressure pump. Wherein the distribution oil reservoir 1023 is connected to the oil reservoir 1023 through the first oil supply path, and the distribution oil reservoir 1023 is connected to the oil reservoir 1023 through an oil return path, and the distribution oil reservoir 1023 is connected to the brake cylinder module 101; and a high pressure pump is provided on the first oil delivery path and electrically connected to the oil pressure control module, and thus, the high pressure pump is used to pressurize and deliver the brake oil in the distribution oil reservoir 1023 to the brake cylinder module 101 according to a control command.
Of course, in another embodiment, the distribution oil reservoir 1023 is used to store brake oil, and the distribution oil reservoir 1023 distributes the stored brake oil to the brake cylinder module 101 according to the control command.
Of course, in another embodiment, the oil pressure distribution module 104 further comprises: an oil storage pressure sensor 1044, the oil storage pressure sensor 1044 is disposed on the distribution oil reservoir 1023, furthermore, the oil storage pressure sensor 1044 is electrically connected to the oil pressure control module, the oil storage pressure sensor 1044 is used for measuring the oil pressure of the distribution oil reservoir 1023, and the oil storage pressure sensor 1044 uploads the measurement result to the oil pressure control module, so that the oil pressure control module controls the amount of brake oil in the distribution oil reservoir 1023 to control the internal oil pressure of the distribution oil reservoir 1023.
Of course, in another embodiment, the oil pressure distribution module 104 further comprises: a brake pressure sensor 1043, wherein the oil storage pressure sensor 1044 is used for measuring the pressure of the brake oil entering the brake cylinder module 101, and the oil storage pressure sensor 1044 uploads the measurement result to the oil pressure control module so that the oil pressure control module can control the amount of the brake oil entering the brake cylinder module 101.
In order to facilitate an understanding of the embodiments of the present invention, the structure of the present invention will be described in detail with reference to several specific embodiments.
Specifically, as shown in fig. 2, the oil reservoir 1023, the master cylinder 1021, the ABS1011, and the wheel cylinders 1012 are connected in this order, wherein the MC1 circuit and the MC2 circuit of the master cylinder 1021 are connected to the MC1 circuit and the MC2 circuit of the ABS1011, respectively, and the FL port, the FR port, the RL port, and the RR port of the ABS1011 are connected to the front left wheel cylinder FL, the front right wheel cylinder FR, the rear left wheel cylinder RL, and the rear right wheel cylinder RR, respectively. The brake pedal 103 is linked with a master cylinder 1021.
In the present application, an oil pressure distribution module 104 is connected in series between a master cylinder 1021 and an ABS1011 on the basis of fig. 2. Specifically, the oil inlet S of the oil pressure distribution module 104 is connected to the oil inlet loop of the master cylinder 1021 through a first oil delivery path, that is: the oil inlet S of the oil pressure distribution module 104 is connected to the oil reservoir 1023 through a first oil delivery path; the oil return port R is connected to the oil reservoir 1023 through an oil return path, and an oil return control valve 1041 is provided on the oil return path; the oil reservoir 1023 is connected with the oil pressure distribution module 104 through a second oil delivery path; in the second oil supply passage, circuits HZ1 and HZ2 are connected to MC1 and MC2 of the master cylinder 1021, respectively; the VL port is connected to MC1 and MC2 circuits of the ABS, and is connected to a brake pressure sensor 1043: the HR port is connected with an oil storage pressure sensor 1044; and sealing the HL port and the VR port.
The specific working process is as follows:
when the vehicle is started, the high-pressure pump in the oil pressure distribution module 104 works, brake oil in the oil reservoir 1023 is pressurized and stored in the distribution oil reservoir 1023 through the first liquid conveying path through the port S, the distribution oil reservoir 1023 is communicated with the oil storage pressure sensor 1044 of the port HR, a detection signal is uploaded to the oil pressure control module by the oil storage pressure sensor 1044, the oil pressure control module controls the pressure storage size, and surplus brake oil returns to the oil reservoir 1023 through the port R through the liquid return path.
When the brake is not applied, the hydraulic pipe between the brake pedal 103 and the master cylinder 1021 is partitioned by the partition valve 1042, and the brake cylinder 1012 of each wheel is not subjected to brake pressure, so that the vehicle is not braked.
When braking is requested in the manual driving mode, the brake pedal 103 is manually depressed, so that the separation valve 1042 linked with the brake pedal 103 is opened, brake oil in the master cylinder 1021 flows through the separation valve 1042 through the MC1 and the MC2, is input to the ABS1011 through the VL port to the wheel cylinders 1012 of the wheels, the oil return control valve 1041 is closed, the electronic control oil pressure brake system maintains pressure, and the vehicle accordingly generates a braking action. When the brake pedal 103 is manually released, the oil return control valve 1041 is opened, and the brake oil in each wheel cylinder 1012 is returned to the oil reservoir 1023 through the oil pressure distribution module 104 and the oil return path.
When braking is requested in the automatic driving mode, the automatic driving system sends a signal of expected braking pressure to the oil pressure control module, the oil pressure control module sends a braking command to the oil pressure distribution module 104, the oil pressure distribution module 104 inputs the braking oil in the distribution oil reservoir 1023 to wheel cylinders 1012 of each wheel through a VL port according to the expected braking pressure, the braking oil pressure input into the ABS1011 is controlled by a braking pressure sensor 1043, the oil pressure control module adjusts the oil return control valve 1041, the electronic control oil pressure braking system maintains pressure, and the vehicle generates braking action accordingly. When the automatic driving system stops sending the brake pressure signal, the oil return control valve 1041 is opened, and the brake oil in each wheel cylinder 1012 returns to the oil reservoir 1023 through the oil pressure distribution module 104 and the oil return path.
In the description of the present invention, it is to be understood that the directions or positional relationships indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, lower", etc., are generally based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse explanation, these directional terms do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the 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. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An electrically controlled oil pressure brake system, said system comprising: the brake cylinder module (101) is used for driving a brake component to perform brake operation;
an oil pressure distribution module (104) connected to the brake cylinder module (101) and used for distributing a corresponding amount of brake oil to the brake cylinder module (101) according to a control command so as to control the driving force output by the brake cylinder module (101);
an oil pressure control module electrically connected to the oil pressure distribution module (104) and configured to output the control command to the oil pressure distribution module (104) to control an oil pressure of brake oil input to the brake cylinder module (101);
wherein the system further comprises:
an oil reservoir (1023) for storing the brake oil;
a first oil delivery path for connecting the oil reservoir (1023) with the oil pressure distribution module (104) and delivering the brake oil in the oil reservoir (1023) to the oil pressure distribution module (104) under the pressurization action of the oil pressure distribution module (104);
wherein the system further comprises:
a second oil delivery path for connecting the oil reservoir (1023) and the oil pressure distribution module (104);
a master cylinder (1021) provided on the second oil supply path, for pressurizing and supplying the brake oil in the oil reservoir (1023) to the brake cylinder module (101),
wherein the oil pressure distribution module (104) further comprises:
the separation valve (1042) is arranged on the second oil conveying path and used for opening and closing the connection of the second oil conveying path;
the separating valve (1042) is electrically connected to the oil pressure control module and responds to an opening and closing instruction sent by the oil pressure control module to perform opening and closing switching; and/or the separating valve (1042) is linked with a brake pedal (103) so as to control the opening and closing of the separating valve (1042) through the brake pedal (103).
2. The system of claim 1, wherein the oil pressure distribution module (104) further comprises:
the oil return circuit is arranged between the oil pressure distribution module (104) and the oil reservoir (1023) and is used for returning the brake oil in the oil pressure distribution module (104) to the oil reservoir (1023);
the oil return control valve (1041) is arranged on the oil return path and used for opening and closing the connection of the oil return path;
the oil return control valve (1041) is electrically connected to the oil pressure control module and responds to an opening and closing instruction sent by the oil pressure control module to perform opening and closing switching.
3. The system of claim 2, wherein the oil pressure distribution module (104) further comprises:
a distribution oil reservoir connected to said oil reservoir (1023) through said first oil delivery path and to said oil reservoir (1023) through an oil return path and, moreover, to said brake cylinder module (101);
and the high-pressure pump is arranged on the first oil delivery path, is electrically connected to the oil pressure control module, and is used for pressurizing and delivering the brake oil in the distribution oil reservoir to the brake cylinder module (101) according to a control command.
4. A system according to claim 3, characterized in that the distribution reservoir is used for storing brake oil and distributing the stored brake oil to the brake cylinder module (101) in accordance with the control command.
5. The system of claim 4, wherein the oil pressure distribution module (104) further comprises:
and the oil storage pressure sensor (1044) is arranged on the distribution oil reservoir and is electrically connected to the oil pressure control module, and the oil pressure control module is used for measuring the oil pressure of the distribution oil reservoir and uploading the measurement result to the oil pressure control module so as to control the oil pressure control module to control the passing amount of brake oil in the distribution oil reservoir.
6. The system of claim 5, wherein the oil pressure distribution module (104) further comprises:
a brake pressure sensor (1043) for measuring a pressure of the brake oil entering the brake cylinder module (101) and uploading the measurement result to the oil pressure control module for the oil pressure control module to control the amount of the brake oil entering the brake cylinder module (101).
7. A vehicle characterized by comprising an electrically controlled oil pressure brake system according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911307998.9A CN112224189B (en) | 2019-12-18 | 2019-12-18 | Electronic control oil pressure braking system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911307998.9A CN112224189B (en) | 2019-12-18 | 2019-12-18 | Electronic control oil pressure braking system and vehicle |
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| CN112224189A CN112224189A (en) | 2021-01-15 |
| CN112224189B true CN112224189B (en) | 2022-08-05 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101152864A (en) * | 2006-09-30 | 2008-04-02 | 比亚迪股份有限公司 | Braking system of electric car |
| CN103189254A (en) * | 2010-11-04 | 2013-07-03 | 罗伯特·博世有限公司 | Hydraulic vehicle brake system |
| CN204456264U (en) * | 2014-12-26 | 2015-07-08 | 潍柴动力股份有限公司 | A kind of excavator and hydraulic power system thereof |
| CN104903167A (en) * | 2013-01-16 | 2015-09-09 | 罗伯特·博世有限公司 | Method and device for operating a brake system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528423B (en) * | 2017-11-17 | 2024-05-07 | 襄阳市智悦信诚智能科技有限责任公司 | Active high-voltage braking system |
-
2019
- 2019-12-18 CN CN201911307998.9A patent/CN112224189B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101152864A (en) * | 2006-09-30 | 2008-04-02 | 比亚迪股份有限公司 | Braking system of electric car |
| CN103189254A (en) * | 2010-11-04 | 2013-07-03 | 罗伯特·博世有限公司 | Hydraulic vehicle brake system |
| CN104903167A (en) * | 2013-01-16 | 2015-09-09 | 罗伯特·博世有限公司 | Method and device for operating a brake system |
| CN204456264U (en) * | 2014-12-26 | 2015-07-08 | 潍柴动力股份有限公司 | A kind of excavator and hydraulic power system thereof |
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| CN112224189A (en) | 2021-01-15 |
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