CN210391103U - Brake control unit, vehicle and rail transit system - Google Patents

Brake control unit, vehicle and rail transit system Download PDF

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CN210391103U
CN210391103U CN201921251861.1U CN201921251861U CN210391103U CN 210391103 U CN210391103 U CN 210391103U CN 201921251861 U CN201921251861 U CN 201921251861U CN 210391103 U CN210391103 U CN 210391103U
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braking
vehicle
brake
module
output interface
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夏雪
耿其贵
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BYD Co Ltd
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BYD Co Ltd
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Abstract

The utility model discloses a vehicle and brake control unit and track traffic system, the brake control unit includes: a processor and an input/output interface; the processor comprises a braking module and a communication module; the communication module and the braking module are arranged in the processor in an isolated manner; the brake module is respectively connected with the input/output interface and the communication module; the input/output interface is used for sending a braking instruction and detection data detected by a sensor on the vehicle to the braking module and outputting a braking instruction and an emergency braking signal to a braking component of the vehicle; the communication module is used for sending the state data of the whole vehicle to the braking module and outputting a braking instruction and an emergency braking signal to related braking components of the vehicle; and the braking module is used for determining an emergency braking signal according to the detection data and/or the state data of the whole vehicle and sending the emergency braking signal to the input/output interface and the communication module. The utility model discloses a brake control unit not only can realize braking function, and has simple structure, advantage with low costs.

Description

Brake control unit, vehicle and rail transit system
Technical Field
The utility model relates to a vehicle technical field, in particular to brake control unit, a vehicle and rail transit system that have this brake unit.
Background
With the development of rail transit, rail transit vehicles suitable for different operation environments and different carrying capacities are available on the market, and the braking functions of different rail transit vehicles are different. In the related art, a brake control unit of the brake system is provided with a first core and a second core, wherein the first core is responsible for a brake control function, the second core is responsible for communication, a switch controls the communication between the second core and a communication bus on a railway vehicle so as to protect the brake function of the first core, the second core has the authority of writing in the communication bus only under the authorization of the first core, and the first core judges whether the system is in a determined safety state so as to protect the brake function, so that the test requirement of new communication software can be reduced.
However, the above technical solutions are not suitable for all rail transit vehicles, and have poor versatility and high cost.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
Therefore, the first objective of the present invention is to provide a brake control unit, which not only can realize the braking function, but also has the advantages of simple structure and low cost.
A second object of the present invention is to provide a vehicle.
A third object of the present invention is to provide a rail transportation system.
To achieve the above object, a first aspect of the present invention provides a brake control unit, including: a processor and an input/output interface; the processor comprises a braking module and a communication module; the communication module and the braking module are arranged in the processor in an isolated mode; the brake module is respectively connected with the input/output interface and the communication module; the input/output interface is used for sending a braking instruction and detection data detected by a sensor on the vehicle to the braking module and outputting a braking instruction and an emergency braking signal to a braking component of the vehicle; the communication module is used for sending the state data of the whole vehicle to the braking module and outputting the braking instruction and the emergency braking signal to a related braking component of the vehicle; and the braking module is used for determining the emergency braking signal according to the detection data and/or the state data of the whole vehicle and sending the emergency braking signal to the input/output interface and the communication module.
According to the utility model discloses a brake control unit keeps apart communication module and brake module and sets up in the treater, makes braking function and communication mutually independent in order to guarantee and the vehicle communication bus between the interference immunity of communication. The input/output interface sends a braking instruction and detection data detected by a sensor on the vehicle to the braking module, and outputs a braking instruction and an emergency braking signal to a braking component of the vehicle, the communication module sends a Controller Area Network (CAN) message of the whole vehicle to the braking module, and outputs a braking instruction and an emergency braking signal to a related braking component of the vehicle, and the braking module determines the emergency braking signal according to the detection data and/or the state data of the whole vehicle and sends the emergency braking signal to the input/output interface and the communication module, so that the braking function CAN be realized, and the brake system has the advantages of simple structure and low cost.
In addition, according to the present invention, the above-mentioned proposed brake control unit can also have the following additional technical features:
specifically, the input/output interface includes: the input interface comprises a first input interface, a second input interface, a first output interface and a second output interface; the first input interface is used for receiving the brake command fed back by a vehicle hard line; wherein the braking command is a switching value; the second input interface is used for receiving the detection data; wherein, the detection data is analog quantity; the first output interface is configured to output a braking instruction to a driver console of the vehicle or an Automatic driving system ATO (Automatic train operation); wherein the braking indication is a switching value; the second output interface is configured to send the emergency braking signal to a hydraulic system of the vehicle, where the emergency braking signal is a pulse signal.
Further, the first input interface and the first output interface are connected with the console and the ATO through hard wires.
Specifically, the braking module is further configured to determine an emergency braking action of the vehicle according to the detection data when the communication module fails, and output the braking instruction and the emergency braking signal to the relevant braking component through the input/output interface to brake the vehicle.
Specifically, the braking module is further configured to determine an emergency braking signal of the vehicle according to the state data of the entire vehicle when the input/output interface fails, and send the braking instruction and the emergency braking signal to a CAN bus of the entire vehicle through the communication module, so that the braking instruction and the emergency braking signal are transmitted to the relevant braking component through the CAN bus to brake the vehicle.
Specifically, the communication module is connected with the brake module through a CAN bus, and sends the state data of the whole vehicle to the brake module through a CAN message.
Specifically, the communication module comprises two CAN network interfaces which are redundant with each other.
Specifically, the communication module is a bluetooth or wifi (wireless fidelity) communication module.
In order to achieve the above object, a second aspect of the present invention provides a vehicle including the brake control unit described above.
The utility model discloses a vehicle, through foretell braking control unit, not only can realize the braking function, and have simple structure, advantage with low costs.
In order to achieve the above object, the third aspect of the present invention provides a rail transit system, which includes the above vehicle.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a block schematic diagram of a brake control unit according to an embodiment of the present invention;
fig. 2 is a block schematic diagram of a brake unit according to an embodiment of the present invention;
fig. 3 is a block schematic diagram of a vehicle according to an embodiment of the present invention; and
fig. 4 is a block diagram schematic diagram of a rail transit system according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The brake control unit and the vehicle having the same according to the embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 1 is a block schematic diagram of a brake control unit according to an embodiment of the present invention.
As shown in fig. 1, a brake control unit according to an embodiment of the present invention may include: a processor 100 and an input/output interface 200.
The processor 100 may include a brake module 110 and a communication module 120, the communication module 120 and the brake module 110 are separately disposed in the processor 100, and the brake module 120 is connected to the input/output interface 200 and the communication module 120, respectively. The input/output interface 200 is used to send braking commands and detection data detected by sensors on the vehicle to the brake module 110, and to output braking instructions and emergency braking signals to the brake components of the vehicle. The communication module 120 is used for sending the state data of the whole vehicle to the brake module 110, and outputting a brake indication and an emergency brake signal to relevant brake components of the vehicle. The brake module 110 is configured to determine an emergency braking signal according to the detection data and/or the state data of the entire vehicle, and send the emergency braking signal to the input/output interface 200 and the communication module 120.
Specifically, by separately arranging the braking module 110 and the communication module 120 in the processor 100, not only can a single processor be used for performing the braking function and the communication function, but also the braking function and the communication can be ensured to be independent from each other, so as to ensure the anti-interference performance of the communication with the vehicle communication bus. The brake module 110 receives a brake command and detection data detected by a sensor on the vehicle through an input interface, determines an emergency brake signal according to the detection data, and outputs a brake instruction and the emergency brake signal to a brake assembly on the vehicle through an output interface. The braking module 110 may also receive the status data of the entire vehicle through the communication module 120, determine an emergency braking signal according to the CAN message, and output a braking instruction and an emergency braking signal to related braking components of the vehicle through the communication module 120. The brake module 110 may also determine an emergency braking signal according to the detection data and the status data of the entire vehicle, and transmit the emergency braking signal to the input/output interface 200 and the communication module 120.
The brake control unit is suitable for a small public traffic system which has a special road right on an overhead, is controlled to operate by a signal system in an unmanned mode, adopts an automatic guiding traffic system in a transportation mode and has a one-way section traffic volume of not more than 1.0 ten thousand times per hour at peak hour, and solves the problems of large volume, long lead cycle and high cost existing in the development of a traffic brake system on the market mainly aiming at large traffic volume. The utility model discloses a braking unit can be under the prerequisite that satisfies braking function and communication function, designs the development to the rail transit motorcycle type of little carrying capacity, has the advantage in the aspect of miniaturization, the cost is lower.
According to the utility model discloses an embodiment, communication module 120, and brake module 110 between through CAN bus connection, communication module 120 sends the state data of whole car to brake module 110 through the CAN message.
According to the utility model discloses an embodiment, communication module 120 is bluetooth communication module, perhaps wifi communication module, is connected through bluetooth or wifi network between communication module 120 and the braking module.
According to an embodiment of the present invention, as shown in fig. 2, the input/output interface 200 may include: a first input interface 210, a second input interface 220, a first output interface 230, and a second output interface 240; the first input interface 210 is used for receiving a brake command fed back by a vehicle hard line; the second input interface 220 is used for receiving detection data; the first output interface 230 is used for outputting a braking instruction to a driver console or an automatic driving system ATO of the vehicle; the second output interface 240 is used to send emergency braking signals to the hydraulic system of the vehicle. The braking instruction is a switching value, the detection data is an analog value, the braking instruction is a switching value, and the emergency braking signal is a pulse signal.
In an embodiment of the present invention, the first input interface 210 and the first output interface 230 may be connected to the console and the ATO through hard wires.
In one embodiment of the present invention, the communication module 120 includes two-way CAN network interfaces, which are redundant to each other.
Specifically, the communication part is isolated independently, and a double-path CAN line is adopted, so that the brake function and the communication function are mutually independent to ensure the anti-interference performance of communication with a vehicle communication bus. The DI (first input interface 210) receives a switching command of a console or an ATO, the AI (second input interface 220) receives an external sensor command, and the PO (first output interface 230) and the DO (second output interface 240) control and output the switching command to the hydraulic system to complete a braking function in cooperation with communication information.
For example, the driver console or the ATO sends an emergency brake switch command, and transmits the emergency brake switch command to the brake module 110 through the second input interface 220, the brake module 110 calculates a suitable braking action under the current vehicle condition according to an external sensor command received by the second input interface 220, transmits a command through the second output interface 240 to enable the hydraulic system to perform a corresponding braking action, and all the actions are fed back to the CAN bus through the communication module 120.
According to an embodiment of the present invention, the braking module 110 is further configured to determine an emergency braking action of the vehicle according to the detection data when the communication module 120 fails, and output a braking instruction and an emergency braking signal to the relevant braking component through the input/output interface 200 to brake the vehicle.
According to the utility model discloses a another embodiment, braking module 110 still is used for when input/output interface 200 breaks down, then confirms the emergency braking signal of vehicle according to the CAN message to through communication module 120 with braking instruction and emergency braking signal send to in the CAN bus of whole car, in order to transmit to relevant braking part through the CAN bus, in order to brake the vehicle.
In other words, when the communication system fails, the emergency braking action can be performed directly according to the instruction information collected by the first input interface 210 and the second input interface 220. Similarly, when the first input interface 210 and the second input interface 220 instruct a fault, an emergency braking operation can be performed according to the communication information, so that the braking safety of the rail vehicle in an abnormal state can be improved, and the risk of accidents can be reduced.
To sum up, according to the utility model discloses brake control unit, keep apart communication module and braking module and set up in the treater, make braking function and communication mutually independent in order to guarantee with the interference immunity of communication between the vehicle communication bus. The input/output interface sends a braking instruction and detection data detected by a sensor on the vehicle to the braking module, and outputs a braking instruction and an emergency braking signal to a braking component of the vehicle, the communication module sends a Controller Area Network (CAN) message of the whole vehicle to the braking module, and outputs the braking instruction and the emergency braking signal to a related braking component of the vehicle, and the braking module determines the emergency braking signal according to the detection data and/or the CAN message and sends the emergency braking signal to the input/output interface and the communication module, so that the braking function CAN be realized, and the brake system has the advantages of simple structure and low cost.
Fig. 3 is a block schematic diagram of a vehicle according to an embodiment of the present invention.
As shown in fig. 3, a vehicle 1000 according to an embodiment of the present invention may include: the brake control unit 1100 described above.
The utility model discloses vehicle, through foretell braking control unit, not only can realize the braking function, and have simple structure, advantage with low costs.
Fig. 4 is a block diagram schematic diagram of a rail transit system according to an embodiment of the present invention.
As shown in fig. 4, a rail transit system 2000 according to an embodiment of the present invention may include: the vehicle 1000 described above.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present invention includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware that is related to instructions of a program, and the program may be stored in a computer-readable storage medium, and when executed, the program includes one or a combination of the steps of the method embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A brake control unit characterized by comprising:
a processor and an input/output interface;
the processor comprises a braking module and a communication module; the communication module and the braking module are arranged in the processor in an isolated mode; the brake module is respectively connected with the input/output interface and the communication module;
the input/output interface is used for sending a braking instruction and detection data detected by a sensor on the vehicle to the braking module and outputting a braking instruction and an emergency braking signal to a braking component of the vehicle;
the communication module is used for sending the state data of the whole vehicle to the braking module and outputting the braking instruction and the emergency braking signal to a related braking component of the vehicle;
and the braking module is used for determining the emergency braking signal according to the detection data and/or the state data of the whole vehicle and sending the emergency braking signal to the input/output interface and the communication module.
2. The brake control unit of claim 1, wherein the input/output interface comprises: the input interface comprises a first input interface, a second input interface, a first output interface and a second output interface;
the first input interface is used for receiving the brake command fed back by a vehicle hard line; wherein the braking command is a switching value;
the second input interface is used for receiving the detection data; wherein, the detection data is analog quantity;
the first output interface is used for outputting a braking instruction to a driver console or an automatic driving system ATO of the vehicle; wherein the braking indication is a switching value;
the second output interface is configured to send the emergency braking signal to a hydraulic system of the vehicle, where the emergency braking signal is a pulse signal.
3. The brake control unit of claim 2, wherein the first input interface and the first output interface are hardwired to the operator console and the ATO.
4. A brake control unit according to any one of claims 1-3, wherein the brake module is further adapted to determine an emergency braking action of the vehicle based on the detection data and output the braking indication and the emergency braking signal to the associated brake component via the input/output interface to brake the vehicle if the communication module fails.
5. The brake control unit of any one of claims 1 to 3, wherein the brake module is further configured to determine an emergency brake signal of the vehicle according to the status data of the entire vehicle when the input/output interface fails, and send the brake indication and the emergency brake signal to a Controller Area Network (CAN) bus of the entire vehicle through the communication module, so as to be transmitted to the relevant brake component through the CAN bus to brake the vehicle.
6. The brake control unit according to any one of claims 1 to 3, wherein the communication module is connected to the brake module via a CAN bus, and sends the status data of the entire vehicle to the brake module via a CAN message.
7. The brake control unit of claim 6, wherein the communication module includes two-way CAN network interfaces that are redundant to each other.
8. The brake control unit of claim 5, wherein the communication module is a Bluetooth or wifi communication module.
9. A vehicle, characterized by comprising: the brake control unit of any one of claims 1-6.
10. A rail transit system, comprising: the vehicle of claim 9.
CN201921251861.1U 2019-07-31 2019-07-31 Brake control unit, vehicle and rail transit system Active CN210391103U (en)

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CN201921251861.1U CN210391103U (en) 2019-07-31 2019-07-31 Brake control unit, vehicle and rail transit system

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Application Number Priority Date Filing Date Title
CN201921251861.1U CN210391103U (en) 2019-07-31 2019-07-31 Brake control unit, vehicle and rail transit system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116166000A (en) * 2023-04-21 2023-05-26 江苏英拓动力科技有限公司 Vehicle controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116166000A (en) * 2023-04-21 2023-05-26 江苏英拓动力科技有限公司 Vehicle controller

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