CN115230649A - Integrated brake-by-wire system and vehicle with same - Google Patents
Integrated brake-by-wire system and vehicle with same Download PDFInfo
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- CN115230649A CN115230649A CN202211006037.6A CN202211006037A CN115230649A CN 115230649 A CN115230649 A CN 115230649A CN 202211006037 A CN202211006037 A CN 202211006037A CN 115230649 A CN115230649 A CN 115230649A
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- 239000004576 sand Substances 0.000 claims description 7
- 239000011435 rock Substances 0.000 claims description 6
- -1 crossing Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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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
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
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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
- 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
- B60T8/17—Using electrical or electronic regulation means to control braking
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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
- 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
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Braking Elements And Transmission Devices (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention provides an integrated brake-by-wire system and a vehicle with the same, wherein the integrated brake-by-wire system comprises a main module, a brake pedal feeling module and a brake pedal feeling module, wherein the main module is configured to be used for identifying a primary driver, a secondary driver and an all-terrain mode to automatically switch the brake pedal feeling mode and realize memory; the BDC module is connected with the input end of the main body module and is configured to identify a vehicle key and send out a finally identified key I D signal; the ATS module is connected with the input end of the main body module and sends a terrain mode signal; the EHC module is bidirectionally connected with the main body module and is configured to interact with a driver, and the driver can select a main driver, a secondary driver and a brake pedal feeling mode through touch operation; the I P module is connected with the output end of the main body module and is configured to be used for displaying a brake pedal feeling mode switching prompt. On the basis of realizing the decoupling adjustment of the brake pedal feel in multiple modes, the brake pedal feel modes can be automatically switched according to the recognition of the primary driver and the secondary driver and the all-terrain mode, and the driving convenience and the driving comfort are improved.
Description
Technical Field
The invention relates to the technical field of automobile brake control systems, in particular to an integrated brake-by-wire system and a vehicle with the integrated brake-by-wire system.
Background
The prior art can realize the differentiated selection of the brake pedal feeling mode, for example, three brake pedal feeling modes of 'comfort, standard and sport' are provided, and a driver can manually switch the brake pedal feeling modes through a button or other control devices. However, the differentiated brake pedal feel pattern causes inconvenience to different drivers, and when different drivers drive vehicles, the brake pedal feel pattern needs to be manually switched in advance to adapt to the driving habits of the drivers, which causes inconvenience to driving. In addition, the off-road vehicle has an all-terrain driving assistance function, and has a plurality of off-road driving modes such as sand, mud, snow, wading and the like, the modes require different brake pedal feeling modes, and when entering different all-terrain off-road terrain modes, a driver needs to manually switch the brake pedal feeling modes, so that the operation is very inconvenient, driving complaints can be brought, and the driving pleasure is not improved.
Disclosure of Invention
In view of the above, the present invention provides an integrated brake-by-wire system.
The invention also provides a vehicle with the integrated brake-by-wire system.
In order to solve the technical problems, the invention adopts the following technical scheme:
an integrated brake-by-wire system according to an embodiment of the first aspect of the present invention includes:
the main body module is configured for identifying a primary driver, a secondary driver and an all-terrain mode, automatically switching a brake pedal feeling mode and realizing memory;
the BDC module is connected with the input end of the main body module and is configured to identify a vehicle key and send a last identified key ID signal to the main body module;
the ATS module is connected with the input end of the main body module and sends a terrain mode signal to the main body module;
the EHC module is bidirectionally connected with the main body module and is configured to interact with a driver, and the driver can select a primary driver and a secondary driver and a brake pedal feeling mode through touch operation;
and the IP module is connected with the output end of the main body module and is configured to be used for displaying the brake pedal feeling mode switching prompt content.
Further, the system also comprises a TBOX module which is connected with the input end of the BDC module and is configured to send out a Bluetooth key authentication signal to the BDC module.
Further, the main body module judges whether the vehicle used at this time is a primary driver or a secondary driver by receiving the vehicle key identification signal and the bluetooth authentication signal;
the main module obtains a driver identification result signal according to the judgment result and sends the driver identification result signal to the EHC module, and the EHC module displays that the driver state is a primary driver or a secondary driver according to the driver identification result signal.
Furthermore, the main body module is internally memorized with brake pedal feeling mode data;
the main body module selects a corresponding brake pedal feeling mode memorized in the main body module according to a driver identification result signal and a terrain mode signal sent by the ATS module, automatically switches the brake pedal feeling to a corresponding mode, and sends a brake pedal feeling mode state signal to the EHC module and the IP module;
the EHC module updates and displays after receiving the brake pedal feeling mode state signal;
and the IP module receives the brake pedal feeling mode state signal and then carries out text prompt on the driver.
Furthermore, a primary driver soft key and a secondary driver soft key are configured on an interface of the EHC module, and a driver can click the primary driver soft key or the secondary driver soft key through touch control to send a driver switching signal to the main module;
the main module updates the state of the driver after receiving the driver switching signal, calls the memorized brake pedal feeling mode and sends an updated brake pedal feeling mode state signal to the EHC module;
and the EHC module updates the display after receiving the updated brake pedal feeling mode state signal.
Furthermore, a brake pedal feeling mode soft key is also configured on the interface of the EHC module, and a driver can click the brake pedal feeling mode soft key through touch to send a brake mode request signal to the main module;
the main body module updates and memorizes a brake pedal feeling mode and sends an updated brake pedal feeling mode state signal to the EHC module;
and the EHC module updates the display after receiving the updated brake pedal feeling mode state signal.
Furthermore, the soft keys of the brake pedal feeling mode comprise soft keys of three brake modes of comfort, standard and movement and a reset soft key.
Further, the all-terrain modes in the ATS module comprise nine terrain modes of sports, economy, comfort, snow, sand, crossing, mud, rock and wading;
the memory logic of the brake pedal feel mode is as follows:
when the terrain mode is motion or rock, the brake pedal feeling mode is motion;
when the terrain mode is economy or crossing or muddy land or wading, the brake pedal feeling mode is standard;
the brake pedal feel mode is comfort when the terrain mode is comfort or snow or sand.
Further, in the memory logic of the brake pedal feel pattern, the brake pedal feel patterns of the primary driver and the secondary driver coincide with each other in any of the terrain modes.
A vehicle according to an embodiment of the second aspect of the invention comprises an integrated brake-by-wire system according to the above-described embodiments.
The technical scheme of the invention has the following beneficial effects:
according to the integrated wire-controlled brake system provided by the embodiment of the invention, on the basis of realizing the multi-mode decoupling adjustment of the brake pedal feeling, the automatic switching of the brake pedal feeling modes can be carried out according to the identification of the primary driver and the secondary driver and the all-terrain mode, so that the driving convenience and the comfort are improved; meanwhile, the brake pedal feeling mode can be memorized.
Drawings
FIG. 1 is a schematic diagram of a brake pedal feel mode switching interface of an EHC module of an integrated brake-by-wire system according to an embodiment of the present invention;
FIG. 2 is an architecture diagram of an integrated brake-by-wire system according to an embodiment of the present invention;
FIG. 3 is a signal interaction logic diagram of an integrated brake-by-wire system according to an embodiment of the present invention;
fig. 4 is a brake pedal feel pattern memory logic diagram of the integrated brake-by-wire system according to an embodiment of the present invention.
Reference numerals:
an integrated brake-by-wire system 100;
a body module 10;
a BDC module 20;
an ATS module 30;
an EHC module 40;
an IP module 50;
a TBOX module 60;
a vehicle key 70;
a touch interface 80; primary driver soft keys 81; the secondary driver soft keys 82; a comfort mode soft key 83; a standard mode soft key 84; a motion mode soft key 85.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the description of the embodiments of the invention given above, are within the scope of protection of the invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
First, the integrated brake-by-wire system 100 according to an embodiment of the present invention will be described in detail with reference to the drawings.
As shown in fig. 1 to 4, the integrated brake-by-wire system 100 according to an embodiment of the present invention includes a body module 10, a BDC module 20, an ATS module 30, an EHC module 40, and an IP module 50.
Specifically, as shown in fig. 2 and 3, the main body module 10 is the core of the entire integrated brake-by-wire system, and is configured to recognize the primary and secondary drivers and the all-terrain mode, perform automatic switching of the brake pedal feeling mode, and implement memory. The BDC module 20, i.e., a body control unit, is connected to an input of the body module 10 and is configured to recognize a vehicle key and transmit a last recognized key ID signal to the body module 0. The ATS module 30, i.e., the off-road all-terrain function module, is connected to an input terminal of the main body module 10, and transmits a terrain mode signal to the main body module 10. The EHC module 40, i.e., the center screen, is bi-directionally coupled to the main body module 10 and configured to interact with the driver, who may select the primary and secondary driver and brake pedal feel modes by operating the touch interface 80. The IP module 50, i.e., a meter, is connected to the output end of the body module 10 and configured to display a brake pedal feel mode switching prompt.
Therefore, according to the integrated brake-by-wire system 100 provided by the embodiment of the invention, on the basis of realizing the multi-mode decoupling adjustment of the brake pedal feeling, the brake pedal feeling modes can be automatically switched according to the identification of the primary driver and the secondary driver and the all-terrain mode, so that the driving convenience and the comfort are improved.
According to a preferred embodiment of the present invention, as shown in fig. 2 and 3, if the driver turns on the vehicle by bluetooth key, the integrated brake-by-wire system further includes a TBOX module 60.TBOX module 60, i.e., a telecommunications module, is connected to an input of BDC module 20 and is configured to issue a bluetooth key authentication signal to BDC module 20. Thus, the main body module 10 determines whether the driver or the passenger uses the vehicle this time by receiving the vehicle key identification signal and the bluetooth authentication signal. It is noted that the vehicle key 70 is used to unlock the vehicle and send a radio frequency signal to the BDC module 20. After the driver unlocks the vehicle, the BDC module 20 recognizes the key ID (representing the primary/secondary driver) by receiving the rf signal of the vehicle key 70 and transmits a vehicle key recognition signal to the main body module 10.
In some embodiments of the present invention, the main body module 10 obtains a driver recognition result signal according to the determination result and sends the driver recognition result signal to the EHC module 40, and the EHC module 40 displays the driver status as the primary driver or the secondary driver according to the driver recognition result signal.
In some embodiments of the present invention, the body module 10 stores brake pedal feel pattern data. Specifically, the main body module 10 selects a corresponding brake pedal feel mode memorized in the main body module 10 according to the driver recognition result signal and the terrain mode signal transmitted from the ATS module 30, automatically switches the brake pedal feel to the corresponding mode, and transmits the brake pedal feel mode state signal to the EHC module 40 and the IP module 50. The EHC module 40 updates the display upon receiving the brake pedal feel mode status signal. The IP module 50 receives the brake pedal feel mode status signal and then gives a text prompt to the driver.
In some preferred embodiments of the present invention, as shown in fig. 1, a primary driver soft key 81 and a secondary driver soft key 82 are configured on an interface, i.e., a touch interface 80, of the EHC module 40, and a driver can click the primary driver soft key 81 or the secondary driver soft key 82 through touch to send a driver switching signal to the main body module 10. The main module 10 updates the driver state after receiving the driver switching signal, retrieves the memorized brake pedal feeling mode, and sends an updated brake pedal feeling mode state signal to the EHC module 40. The EHC module 40 updates the display upon receiving the updated brake pedal feel mode status signal. Specifically, as shown in fig. 1, the primary driver soft key 81 and the secondary driver soft key 82 are arranged side by side on the left side of the interface of the EHC module 40. The specific structure and operation principle of the soft key are not specifically described and limited herein, but are prior art.
In some preferred embodiments of the present invention, as shown in fig. 1, the interface of the EHC module 40, that is, the right interface shown in fig. 1, is further configured with a brake pedal feel mode soft key (a comfort mode soft key 83, a standard mode soft key 84, a sport mode soft key 85, and a reset soft key 86 for resetting the brake pedal feel mode from top to bottom), and a driver can click the brake pedal feel mode soft key by touch to send a brake mode request signal to the main body module 10. The main body module 10 updates and memorizes the brake pedal feel mode and sends an updated brake pedal feel mode status signal to the EHC module 40. The EHC module 40 updates the display upon receiving the updated brake pedal feel mode status signal.
In some preferred embodiments of the present invention, as shown in fig. 4, the all terrain modes in the ATS module 30 include nine terrain modes of sports, economy, comfort, snow, sand, ride-through, mud, rock, and wading. Specifically, the memory logic of the brake pedal feel mode is shown as 4 and is divided into three main categories: when the terrain mode is any one of movement or rock, the brake pedal feeling mode is a movement mode; when the terrain mode is any one of economy or crossing or muddy land or wading, the brake pedal feeling mode is a standard mode; when the terrain mode is either comfort or snow or sand, the brake pedal feel mode is a comfort mode.
In some preferred embodiments of the present invention, as shown in fig. 4, the brake pedal feel patterns of the primary and secondary drivers are consistent in the memory logic of the brake pedal feel patterns for either of the terrain modes. The driver a and the driver B in fig. 4 respectively indicate the primary driver and the secondary driver.
In summary, according to the integrated brake-by-wire system 100 of the embodiment of the present invention, on the basis of implementing the multi-mode decoupling adjustment of the brake pedal feel, the brake pedal feel modes can be automatically switched according to the identification of the primary and secondary drivers and the all-terrain mode, so as to improve the driving convenience and comfort; meanwhile, the brake pedal feeling mode can be memorized.
The vehicle according to the embodiment of the second aspect of the present invention includes the integrated brake-by-wire system 100 according to the above-described embodiment, and since the integrated brake-by-wire system 100 according to the embodiment of the present invention has the above-described technical effects, the vehicle according to the embodiment of the present invention also has corresponding technical effects, i.e., has an advantage of improving driving convenience and comfort.
Other structures and operations of the vehicle according to the embodiment of the present invention will be understood and readily implemented by those skilled in the art, and thus will not be described in detail.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "illustrative embodiments," "preferred embodiments," "detailed description," or "preferred embodiments" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. An integrated brake-by-wire system, comprising:
the main body module is configured for identifying a primary driver, a secondary driver and an all-terrain mode, automatically switching the brake pedal feeling mode and realizing memory;
the BDC module is connected with the input end of the main body module and is configured to identify a vehicle key and send a last identified key ID signal to the main body module;
the ATS module is connected with the input end of the main body module and sends a terrain mode signal to the main body module;
the EHC module is bidirectionally connected with the main body module and is configured to interact with a driver, and the driver can select a primary driver, a secondary driver and a brake pedal feeling mode through touch operation;
and the IP module is connected with the output end of the main body module and is configured to be used for displaying the brake pedal feeling mode switching prompt content.
2. The integrated brake-by-wire system of claim 1, further comprising a TBOX module connected to an input of the BDC module configured to issue a bluetooth key authentication signal to the BDC module.
3. The integrated brake-by-wire system according to claim 2, wherein the main body module determines whether the vehicle is used this time by a primary driver or a secondary driver by receiving a vehicle key identification signal and a bluetooth authentication signal;
the main module obtains a driver identification result signal according to the judgment result and sends the driver identification result signal to the EHC module, and the EHC module displays that the driver state is a primary driver or a secondary driver according to the driver identification result signal.
4. The integrated brake-by-wire system of claim 3, wherein the host module has stored therein brake pedal feel mode data;
the main body module selects a corresponding brake pedal feeling mode memorized in the main body module according to a driver identification result signal and a terrain mode signal sent by the ATS module, automatically switches the brake pedal feeling to a corresponding mode, and sends a brake pedal feeling mode state signal to the EHC module and the IP module;
the EHC module updates and displays after receiving the brake pedal feeling mode state signal;
and the IP module receives the brake pedal feeling mode state signal and then carries out text prompt on a driver.
5. The integrated brake-by-wire system according to claim 3, wherein the interface of the EHC module is configured with primary driver soft keys and secondary driver soft keys, and the driver can click the primary driver soft keys or the secondary driver soft keys by touch to send a driver switching signal to the main body module;
the main module updates the state of the driver after receiving the driver switching signal, calls the memorized brake pedal feeling mode and sends an updated brake pedal feeling mode state signal to the EHC module;
and the EHC module updates the display after receiving the updated brake pedal feeling mode state signal.
6. The integrated brake-by-wire system according to claim 5, wherein a brake pedal feel mode soft button is further configured on the interface of the EHC module, and a driver can click the brake pedal feel mode soft button by touch to send a brake mode request signal to the main body module;
the main body module updates and memorizes a brake pedal feeling mode and sends an updated brake pedal feeling mode state signal to the EHC module;
and the EHC module updates the display after receiving the updated brake pedal feeling mode state signal.
7. The integrated brake-by-wire system of claim 6, wherein the brake pedal feel mode soft keys comprise comfort, standard and sport three braking modes soft keys and a reset soft key.
8. The integrated brake-by-wire system of claim 7, wherein the all-terrain modes in the ATS module include nine terrain modes of sport, economy, comfort, snow, sand, crossing, mud, rock, and wading;
the memory logic of the brake pedal feeling mode is as follows:
when the terrain mode is motion or rock, the brake pedal feeling mode is motion;
when the terrain mode is economy or crossing or muddy ground or wading, the brake pedal feeling mode is standard;
the brake pedal feel mode is comfort when the terrain mode is comfort or snow or sand.
9. The integrated brake-by-wire system of claim 8, wherein the brake pedal feel patterns of the primary and secondary drivers are consistent in the memory logic of the brake pedal feel patterns for any terrain mode.
10. A vehicle comprising an integrated brake-by-wire system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211006037.6A CN115230649A (en) | 2022-08-22 | 2022-08-22 | Integrated brake-by-wire system and vehicle with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211006037.6A CN115230649A (en) | 2022-08-22 | 2022-08-22 | Integrated brake-by-wire system and vehicle with same |
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| CN115230649A true CN115230649A (en) | 2022-10-25 |
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| CN202211006037.6A Pending CN115230649A (en) | 2022-08-22 | 2022-08-22 | Integrated brake-by-wire system and vehicle with same |
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