CN217730415U - Vehicle door opening braking system and vehicle - Google Patents
Vehicle door opening braking system and vehicle Download PDFInfo
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- CN217730415U CN217730415U CN202220401634.8U CN202220401634U CN217730415U CN 217730415 U CN217730415 U CN 217730415U CN 202220401634 U CN202220401634 U CN 202220401634U CN 217730415 U CN217730415 U CN 217730415U
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Abstract
The utility model discloses a vehicle door opening and braking system and a vehicle, belonging to the technical field of automobiles and comprising a communication bus; the vehicle door state detection device is connected with the communication bus and used for detecting vehicle door opening and closing information; the brake control device is connected with the parking switch and the communication bus, receives the vehicle door switch information and the parking switch state information, and outputs a locking instruction when the vehicle door switch information is that the vehicle door is opened and the parking switch is disconnected; the brake locking device is connected with the parking execution device and the brake control device, receives a locking instruction output by the brake control device and executes parking brake; and the fault detection device is connected with the vehicle door state detection device and can cut off the communication between the vehicle door state detection device and the communication bus. The utility model discloses can realize the automatic parking of vehicle, also can realize the unblock at any time of vehicle, it is high to have the degree of integrating, and the potential safety hazard that exists when effectively having solved the vehicle door-trip has been transmitted fast advantage.
Description
Technical Field
The utility model relates to the field of automotive technology, concretely relates to vehicle door opening braking system and vehicle.
Background
With the rapid progress and development of the automobile industry in China, various safety accidents of automobiles also frequently occur, particularly, the China is one of the countries with the largest number of dead people of traffic road accidents in the world, when the automobile stops running (does not flameout) and a driver opens and leaves the automobile, the driver forgets to lift a handbrake, and the safety accidents caused by the fact that the automobile still moves forward/backward or the gear shift handle is operated by mistake to move forward or backward are increased continuously.
At present, a door alarm is arranged on part of automobiles, but the automobile door alarm does not have the function of automatic parking, so that the technical problems of automatic parking of the automobiles when doors are opened and random unlocking after the automobiles are parked need to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The technical problems of how to realize automatic parking of the automobile when the automobile door is opened and unlocking of the automobile at any time after parking are solved. The utility model provides a vehicle door opening braking system and vehicle.
An object of the utility model is to provide a vehicle door opens braking system. The vehicle door opening and braking system can effectively prevent the occurrence of safety accidents when passengers get off the vehicle, can realize unlocking at any time after the vehicle is parked, and has the advantages of high integration degree, high transmission rate, strong anti-interference capability and low cost.
Another object of the utility model is to provide a vehicle.
According to a first aspect, embodiments of the present application provide a vehicle door opening brake system comprising: a communication bus; the vehicle door state detection device is arranged on the vehicle door, is connected with the communication bus and is used for detecting the opening and closing information of the vehicle door; the brake control device is connected with the parking switch, is connected with the communication bus, receives the vehicle door switch information and the parking switch state information, and outputs a locking instruction when the vehicle door switch information is that the vehicle door is opened and the parking switch is disconnected; the brake locking device is connected with the parking execution device, connected with the brake control device, and used for receiving a locking instruction output by the brake control device and executing parking brake; and the fault detection device is connected with the vehicle door state detection device and can cut off the communication between the vehicle door state detection device and the communication bus.
According to the utility model discloses vehicle door opening braking system receives door switch information and opens for the door when brake control device, and, during the information of parking switch disconnection, the vehicle can realize automatic parking, avoids the emergence of incident, simultaneously vehicle door opening braking system still includes fault detection device, when door state detection device breaks down, fault detection device can cut off door state detection device with communication bus's communication makes door state detection device disable, can't be to bus output door state signal again.
Optionally, the brake locking device includes a locking motor, the locking motor is connected to the parking executing device, and the locking motor applies a braking force to the parking executing device according to the received locking instruction.
Optionally, the vehicle door opening brake system further comprises an engine state detection device, mounted on the engine, connected to the communication bus, for detecting the engine state.
Optionally, the vehicle door opening brake system further comprises a vehicle speed detection device connected to the communication bus for detecting the vehicle speed information.
Optionally, the vehicle door opening and braking system further comprises a communication device, wherein the communication device is respectively connected with the vehicle door state detection device, the engine state detection device and the vehicle speed detection device, and is connected with the communication bus, and is used for sending the vehicle door opening and closing information, the engine state information and the vehicle speed information to the communication bus.
Optionally, the vehicle door opening brake system further comprises a power control device connected to the communication bus, and the power control device outputs power state information to the brake control device through the communication bus.
Optionally, the vehicle door opening and braking system further includes an accelerator detection device, and the accelerator detection device is connected to the power control device and outputs accelerator state information to the power detection device.
Optionally, the vehicle door opening brake system further includes a brake detection device, and the brake detection device is connected to the power control device and outputs brake state information to the power detection device.
Optionally, the vehicle door opening and braking system further includes a transmission control device connected to the transmission, receiving gear information of the transmission, and connected to the communication bus, and outputting the gear information to the communication bus.
According to a second aspect, embodiments of the present application provide a vehicle comprising a vehicle door opening brake system according to embodiments of the first aspect of the present application. When the vehicle door is in an open state and the parking switch is disconnected, a locking instruction capable of controlling the brake locking device to execute parking is output, so that the vehicle can be automatically parked, safety accidents are prevented, meanwhile, the vehicle door opening and braking system further comprises a fault detection device, and when the vehicle door state detection device breaks down, the fault detection device can cut off the communication between the vehicle door state detection device and the communication bus, the vehicle door state detection device is disabled, and a vehicle door state signal cannot be output to the communication bus. In addition, the communication bus realizes the information transmission among each device, and has the advantages of high integration degree, high transmission rate, simple structure, strong anti-interference capability and capability of reducing cost.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
FIG. 1 is a schematic view of a vehicle door opening brake system according to an embodiment of the present invention;
FIG. 2 is another schematic view of a vehicle door opening brake system in accordance with an embodiment of the present invention;
fig. 3 is a schematic view of a vehicle door opening brake system according to another embodiment of the present invention.
Reference numerals: 10-a communication bus; 20-a brake control device; 30-a parking switch; 40-braking the locking device; 50-parking actuator; 60-locking the motor; 70-a communication device; 80-a power control device; 90-gearbox control; 100-vehicle door state detection device; 110-engine state detection means; 120-vehicle speed detection means; 130-engine ECU; 131-accelerator pedal; 132-a brake pedal; 140-a gearbox control system; 150-EPB switch; 160-a combination meter assembly; 170-door status sensor; 180-EPB electronic control unit; 200-fault detection means; 210-throttle detection means; 220-brake detection means; 230-the brake locks the motor.
Detailed Description
In order to clearly understand the technical features, objects and effects of the present invention, the embodiments of the present invention will be described with reference to the accompanying drawings, wherein the same reference numerals in the drawings denote the same components or components with similar structures but the same functions.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
To this end, a vehicle door opening brake system is provided, comprising: a communication bus 10; a vehicle door state detection device 100 installed on a vehicle door, connected to the communication bus 10, for detecting vehicle door opening and closing information; the brake control device 20 is connected with the parking switch 30, is connected with the communication bus 10, receives the vehicle door switch information and the parking switch 30 state information, and outputs a locking instruction when the vehicle door switch information is that the vehicle door is opened and the parking switch 30 is disconnected; a brake locking device 40 connected with a parking execution device 50, connected with the brake control device 20, receiving a locking command output by the brake control device 20, and executing parking braking; and a failure detection device 200 connected to the door state detection device 100 and capable of cutting off communication between the door state detection device 100 and the communication bus 10.
In this embodiment, referring to fig. 1, the vehicle door state detecting device 100 outputs the detected vehicle door state information to the brake control device 20 through the communication bus 10, and the brake control device 20 is connected to the parking switch 30, receives the state information of the parking switch 30, when the information received by the brake control device 20 is that the vehicle door is opened and the parking switch 30 is in the off state, the brake control device 20 outputs a locking command to the brake locking device 40, and the brake locking device 40 controls the parking execution device 50 to implement parking braking according to the received locking command, so as to implement automatic parking at a fast transmission speed, thereby effectively avoiding the occurrence of safety accidents. Meanwhile, the vehicle door opening and braking system further comprises a fault detection device 200, when the vehicle door state detection device 100 has a fault, the fault detection device 200 can cut off the communication between the vehicle door state detection device 100 and the communication bus 10, so that the vehicle door state detection device 100 is disabled and a vehicle door state signal cannot be output to the communication bus 10. In addition, the communication bus 10 realizes information transmission among the devices, and has the advantages of high integration degree, high transmission rate, simple structure, strong anti-interference capability and capability of reducing cost.
If the door state detection device 100 of the vehicle is damaged, causing the communication device 70 to always send the information that the door state is open to the communication bus 10, and causing the brake control device 20 to misjudge that the door is open and cannot drive, the fault detection device 200 will cut off the communication between the door state detection device 100 and the communication bus 10, after the cut-off, the communication device 70 will not send the information that the door state is open to the communication bus 10, and the vehicle can temporarily drive to a nearby maintenance place to maintain the corresponding fault, wherein the cut-off mode of the fault detection device 200 may be manual cut off, such as a button or switch type device; for example, the failure detection device 200 may be connected to the communication bus 10 or the brake control device 20 to block the transmission of the information from the vehicle door state detection device 100 to the communication bus 10 or the brake control device 20.
As an exemplary embodiment, referring to fig. 2, the brake locking device 40 includes a locking motor 60, the locking motor 60 is connected to the parking actuator 50, and the locking motor 60 applies a braking force to the parking actuator 50 according to a received locking command. In the embodiment, the locking motor 60 is connected to the brake control device 20 and the parking actuator 50, respectively, and when the locking motor 60 receives a locking command, the locking motor 60 enters an operating state, and applies a braking force to the parking actuator 50 to implement parking braking.
As an exemplary embodiment, referring to fig. 2, the vehicle door opening brake system further includes an engine state detecting device 110 mounted on the engine and connected to the communication bus 10 for detecting the engine state. And the vehicle speed detection device 120 is connected with the communication bus 10 and is used for detecting the vehicle speed information.
In this embodiment, the engine state detecting device 110 and/or the vehicle speed detecting device 120 are connected to the communication bus 10, and the engine state and/or the vehicle speed information are output to the brake control device 20 through the communication bus 10, when the brake control device 20 receives that the engine is in a working state and/or the vehicle speed is greater than a first preset vehicle speed, the brake control device 20 outputs a locking instruction to the brake locking device 40, and controls the brake locking device 40 to complete a parking action, it should be noted that, in this embodiment, the condition that the brake control device 20 outputs the locking instruction includes receiving information that at least one vehicle door is opened and the parking switch 30 is turned off, and then when the engine is in the working state and/or the vehicle speed is greater than the first preset vehicle speed information, the brake control device 20 outputs the locking instruction so that the vehicle door opening brake system completes a subsequent parking action.
As an exemplary embodiment, referring to fig. 2, the vehicle door opening and braking system further includes a communication device 70, wherein the communication device 70 is respectively connected to the vehicle door state detecting device 100, the engine state detecting device 110 and the vehicle speed detecting device 120, and is connected to the communication bus 10 for transmitting the vehicle door opening and closing information, the engine state information and the vehicle speed information to the communication bus 10.
As an exemplary embodiment, referring to fig. 2, the vehicle door opening brake system further includes a power control device 80 connected to the communication bus 10, and the power control device 80 outputs power state information to the brake control device 20 through the communication bus 10. And the accelerator detection device 210 is connected with the power control device 80 and outputs accelerator state information to the power control device 80. And a brake detection device 220, wherein the brake detection device 220 is connected with the power control device 80 and outputs brake state information to the power control device 80.
In this embodiment, the power control device 80 is directly connected to the communication bus 10, and the power control device 80 outputs power state information to the brake control device 20 through the communication bus 10, where the power state information includes acceleration state information and/or brake state information, and when the information received by the brake control device 20 indicates that the vehicle is in a non-acceleration state and/or the vehicle is in a non-brake state, a locking command is output to control the brake locking device 40 to complete a parking action, it should be noted that, in this embodiment, the condition that the brake control device 20 outputs the locking command includes receiving information that at least one vehicle door is opened and the parking switch 30 is turned off, and then receiving information that the vehicle is in a non-acceleration state and/or the vehicle is in a non-brake state, the brake control device 20 outputs the locking command to enable the vehicle door opening and braking system to complete a subsequent parking action.
As an exemplary embodiment, referring to fig. 2, the vehicle door opening brake system further includes a transmission control device 90 connected to the transmission, receiving gear information of the transmission, and connected to the communication bus 10, outputting the gear information to the communication bus 10.
In this embodiment, the transmission control device 90 outputs the gear state information to the brake control device 20 through the communication bus 10, when the gear is in the forward gear or the reverse gear, the brake control device 20 outputs a locking command to control the brake locking device 40 to complete the parking action, and it should be noted that, in this embodiment, the condition that the brake control device 20 outputs the locking command includes that information that at least one vehicle door is opened and the parking switch 30 is turned off is received, and when the gear is in the forward gear or the reverse gear, the brake control device 20 outputs the locking command to enable the vehicle door open brake system to complete the subsequent parking action.
In order to more accurately judge the condition that a passenger prepares to get off the vehicle when parking and prevent safety accidents from happening, when the vehicle speed information is detected, the system firstly receives that the vehicle speed is less than a second preset vehicle speed, then the vehicle speed is increased to a first preset vehicle speed, at the moment, the risk of safety accidents happens, and the vehicle door opening brake system realizes automatic parking; or the system receives the information that the vehicle is in a braking state firstly, and then the vehicle speed is increased, at the moment, the risk of safety accidents occurs, and the vehicle door opening braking system realizes automatic parking. Wherein the first preset vehicle speed may be 10km/h, and the second preset vehicle speed may be 0-1km/h.
The failure type of the door state detection device 100 may be that the door state detection device 100 continuously transmits the information that the door state is open to the brake control device 20 in the state that the door is closed; or a failure type such as no response of the door state detection device 100 in a state where the door is open.
In an embodiment of the utility model, further disclose a vehicle, include: the vehicle door opening brake system according to any one of the above embodiments. When the door of the vehicle is opened and the parking switch 30 is in the off state, the vehicle achieves automatic parking braking. When the door state detection device 100 fails, the failure detection device 200 can interrupt the communication between the door state detection device 100 and the communication bus 10, disable the door state detection device 100, and no longer output a door state signal to the communication bus 10.
In another embodiment of the present invention, referring to fig. 3, the parking Brake system includes a combination meter assembly 160, a door state sensor 170, a failure detection device 200, an Electronic Control Unit (ECU) of an engine, an accelerator pedal 131, a Brake switch, a shift lever, a transmission Control system 140, an Electronic parking Brake system (EPB) Electronic Control Unit, an EPB switch 150, a Brake lock motor 230, and a parking execution device 50, in which the combination meter assembly 160 is a communication device 70 in the present system, the door state sensor 170 is the door state detection device 100, the engine ECU130 is a power Control device 80, the accelerator pedal 131 is the accelerator detection device 210, the Brake pedal 132 is the Brake detection device 220, the shift lever is a shift lever, the transmission Control system 140 is the transmission Control device 90, the EPB Electronic Control Unit 180 is the Brake Control device 20, the EPB switch 150 is an Electronic switch, the Brake lock motor 230 is the lock Brake device 40, and the parking mechanical parking execution device is the execution device 50. The input conditions are that the combination meter assembly 160 receives a vehicle speed of 0km/h, an engine speed signal is input, and the EPB switch 150 is not pressed (not turned on).
When the driver sets the shift lever to the forward or reverse gear, EPB ecu 180 sends message ID-01 (forward message) or ID-02 (reverse message) to communication bus 10;
vehicle doors have one or more openings. The combination meter assembly 160 receives the door opening information, and the combination meter assembly 160 sends a message ID-03 (door opening message) to the communication bus 10;
if brake pedal 132 and/or accelerator pedal 131 are not depressed, engine ECU130 sends messages ID-04 (brake release message) and ID-05 (accelerator release message) to communication bus 10, respectively;
when the EPB electronic control unit 180 simultaneously acquires the ID-01 (or ID-02), the ID-03, the ID-04 and the ID-05 from the communication bus 10, it indicates that at this time, the driver or the passenger door has one or more open states, the vehicle is in a forward or backward gear, and the hand brake is not pressed, at this time, the vehicle has a risk of moving and is easy to have a safety accident;
when all doors of the vehicle are closed, the combination meter assembly 160 does not send a message ID-03 (door opening message) to the communication bus 10, the EPB electronic control unit 180 does not release the electronic locking task, and the vehicle is still in a parking state;
when all doors of the vehicle are closed, a driver needs to operate and press the brake pedal 132 or the accelerator pedal 131, the engine ECU130 releases the message ID-06 (brake press message) or ID-07 (accelerator press message) after receiving the signal, and when the EPB electronic control unit 180 simultaneously acquires ID-01 (or ID-02) and ID-06 (or ID-05) from the communication bus 10, the electronic locking task is automatically released, and the vehicle is parked and released to enter a driving state.
If the door state sensor 170 of the vehicle is damaged, causing the combination meter assembly 160 to always send a message ID-03 (door opening message) to the communication bus 10, and causing the EPB to misjudge that the door is opened and cannot drive, the fault detection device 200 will cut off the communication between the door state sensor 170 and the communication bus 10, after the cut-off, the combination meter assembly 160 will not send the message ID-03 (door opening message), and the vehicle can temporarily drive to a nearby maintenance place to maintain the corresponding fault, wherein the cut-off mode of the fault detection device 200 may be manual cut-off, such as a button or switch type device; or automatically cut off, for example, the failure detection device 200 may be connected to the communication bus 10 or the EPB ecu 180 to block the door state sensor 170 from sending information to the communication bus 10 or the EPB ecu 180.
In addition, other configurations and functions of the vehicle according to the embodiment of the present invention are known to those skilled in the art, and are not described herein in order to reduce redundancy.
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. 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 of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
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 vehicle door opening brake system, comprising:
a communication bus;
the vehicle door state detection device is arranged on the vehicle door, is connected with the communication bus and is used for detecting vehicle door opening and closing information;
the brake control device is connected with the parking switch, is connected with the communication bus, receives the vehicle door switch information and the parking switch state information, and outputs a locking instruction when the vehicle door switch information is that the vehicle door is opened and the parking switch is disconnected;
the brake locking device is connected with the parking execution device, connected with the brake control device, and used for receiving a locking instruction output by the brake control device and executing parking brake;
and the fault detection device is connected with the vehicle door state detection device and can cut off the communication between the vehicle door state detection device and the communication bus.
2. The vehicle door opening brake system according to claim 1, wherein the brake locking device includes a locking motor connected to the parking actuator, the locking motor applying a braking force to the parking actuator in accordance with the received locking command.
3. The vehicle door opening brake system according to claim 1, further comprising:
and the engine state detection device is arranged on the engine, is connected with the communication bus and is used for detecting the state of the engine.
4. The vehicle door opening brake system according to claim 3, further comprising:
and the vehicle speed detection device is connected with the communication bus and used for detecting vehicle speed information.
5. The vehicle door opening brake system according to claim 4, further comprising:
and the communication device is respectively connected with the vehicle door state detection device, the engine state detection device and the vehicle speed detection device, is connected with the communication bus, and is used for sending the vehicle door opening and closing information, the engine state information and the vehicle speed information to the communication bus.
6. The vehicle door opening brake system according to claim 1, further comprising:
and the power control device is connected with the communication bus and outputs power state information to the brake control device through the communication bus.
7. The vehicle door opening brake system according to claim 6, further comprising:
and the accelerator detection device is connected with the power control device and outputs accelerator state information to the power control device.
8. The vehicle door opening brake system according to claim 7, further comprising:
and the brake detection device is connected with the power control device and outputs brake state information to the power control device.
9. The vehicle door opening brake system according to claim 1, further comprising:
and the gearbox control device is connected with the gearbox, receives the gear information of the gearbox, is connected with the communication bus, and outputs the gear information to the communication bus.
10. A vehicle characterized by comprising the vehicle door opening brake system according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220401634.8U CN217730415U (en) | 2022-02-25 | 2022-02-25 | Vehicle door opening braking system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220401634.8U CN217730415U (en) | 2022-02-25 | 2022-02-25 | Vehicle door opening braking system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217730415U true CN217730415U (en) | 2022-11-04 |
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ID=83816569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220401634.8U Active CN217730415U (en) | 2022-02-25 | 2022-02-25 | Vehicle door opening braking system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217730415U (en) |
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2022
- 2022-02-25 CN CN202220401634.8U patent/CN217730415U/en active Active
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