CN111376854A - Power supply device for advanced driver assistance system of motor vehicle - Google Patents
Power supply device for advanced driver assistance system of motor vehicle Download PDFInfo
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- CN111376854A CN111376854A CN201811626834.8A CN201811626834A CN111376854A CN 111376854 A CN111376854 A CN 111376854A CN 201811626834 A CN201811626834 A CN 201811626834A CN 111376854 A CN111376854 A CN 111376854A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
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Abstract
Embodiments of the present disclosure relate to a power supply arrangement for an advanced driving assistance system ADAS of a motor vehicle. The advanced driving assistance system described herein includes: a power supply for providing electrical power; the power supply module is coupled to the advanced driving assistance system ADAS, and the power supply supplies power to the advanced driving assistance system ADAS through the power supply module; and a connection circuit connecting the power supply with the power supply module. The power supply device described herein can isolate the ADAS power supply from the power supplies of other electrical appliances, thereby ensuring the safety of the electrical appliances of the entire vehicle.
Description
Technical Field
Embodiments of the present disclosure relate to a power supply device, and more particularly, to a power supply device for an advanced driving assistance system ADAS of a motor vehicle.
Background
Advanced Driver Assistance System (ADAS), is an active safety technology that uses various sensors installed in a vehicle to collect environmental data inside and outside the vehicle at the first time and to perform technical processes such as identification, detection, and tracking of static and dynamic objects, so that a Driver can perceive a possible danger at the fastest time to attract attention and improve safety. Advanced driver assistance system ADAS uses sensors, mainly cameras, radar, laser, and ultrasonic, which can detect light, heat, pressure, or other variables for monitoring the state of the vehicle, and is usually located in the front and rear bumpers, side view mirrors, the inside of the steering column, or on the windshield of the vehicle. Early advanced driving assistance techniques were primarily passive warning, which alerts motorists to abnormal vehicle or road conditions when a potential hazard is detected in the vehicle. Active intervention is also common with the latest advanced driving assistance technologies.
Known advanced Driver assistance systems generally include navigation and real-time Traffic systems TMC, electronic police systems ISA (Intelligent Traffic adaptation or interactive Traffic adaptation), vehicle networking (vehicular communication systems), Adaptive cruise acc (Adaptive cruise control), Lane departure warning systems ldws (Lane departure warning system), Lane keeping systems (Lane keep assistance), Collision avoidance or pre-Collision systems (Collision avoidance or pre-Collision system), night vision systems (night vision system), Adaptive light control (Adaptive light control), pedestrian protection systems (pedestrian protection system), Automatic parking systems (kinetic parking), Traffic sign recognition (Traffic sign), Blind spot detection (Blind spot detection), downhill driving systems (Driver control), and Electric vehicle warning systems (Driver control).
The advanced driving assistance system includes a Control device (ECU) that performs Control related to at least one of traveling, steering, and braking of the vehicle, independently of a driving operation performed by a driver. The advanced driving assistance system includes, for example, an EPS (Electric Power Steering) motor, an Electric hydraulic pump included in a brake actuator, and the like.
Disclosure of Invention
The power supply of the known advanced driving assistance system ADAS can interfere with the power supply of other electric appliances of the whole vehicle, so that the problem of unsafe power supply of parts of the advanced driving assistance system ADAS is caused.
To at least partially address the above and other potential problems, embodiments of the present disclosure provide a power supply apparatus for an advanced driving assistance system of a motor vehicle. As will be understood from the following description, the power supply apparatus described herein can isolate the ADAS power supply from the power supplies of other electrical devices, thereby ensuring the safety of the electrical devices of the entire vehicle.
According to the disclosure, a power supply device for an advanced driving assistance system ADAS of a motor vehicle is proposed, comprising: a power supply for providing electrical power; the power supply module is coupled to the advanced driving assistance system ADAS, and the power supply supplies power to the advanced driving assistance system ADAS through the power supply module; and the connecting circuit is used for connecting the power supply with the power supply module. In some embodiments, the power supply module is only used for supplying power to the advanced driving assistance system ADAS, and is not used for supplying power to other devices of the entire vehicle, so that independent power supply of the advanced driving assistance system ADAS can be further ensured.
In some embodiments, the power supply is connected only to the power module and is dedicated to the power module. That is, the power supply in this disclosure is a dedicated power supply of the advanced driving assistance system ADAS, and is not shared with other electrical appliances of the entire vehicle. On the basis of isolating the power supply line of the advanced driving assistance system ADAS from the power supply lines of other electrical appliances, the power supply of the advanced driving assistance system ADAS is also isolated from the power supply of the other electrical appliances, so that the problem of mutual interference of power supply is further avoided.
In some embodiments, the other power source is connected to the power module as a backup power source through a normally open switch. When the power supply is in fault or insufficient voltage, the standby power supply supplies power for the advanced driving assistance system ADAS through the power supply module, so that the safety and the reliability of power supply of the advanced driving assistance system ADAS are further ensured.
In certain embodiments, the advanced driving assistance system ADAS comprises one or more driving assistance modules comprising an electronic control unit and a driving assistance device, wherein the electronic control unit controls the operation of the driving assistance device. The driving assistance modules, which are composed of the electronic control unit and the driving assistance device, can coordinate with each other, so that the driving assistance function is realized.
In some embodiments, the above-described driving assistance apparatus includes at least one of: navigation device, radar installations, camera device, laser sensor and ultrasonic sensor. The above-described driving assistance devices may be mutually coordinated, and different data obtained by them may be mutually fused for adding a system function or enhancing an existing function.
In some embodiments, the power module is connected to the smart entry and start system and to the advanced driving assistance system. The power supply module comprises a relay and a safety device, wherein the relay is connected with the safety device, and the safety device is connected with the advanced driving assistance system. By using the relay and the safety device, the power supply of the advanced driving assistance system ADAS can be cut off in time when abnormal large current exists, so that the advanced driving assistance system ADAS can be protected from being damaged
In some embodiments, the relay is connected to the smart entry and start system, wherein the smart entry and start system controls the start, shut down, and operation of the advanced driving assistance system through the power module. The intelligent entering and starting system is connected with the advanced driving auxiliary system through the power supply module, so that the advanced driving auxiliary system can be actively controlled by a driver through the intelligent entering and starting system, and the driver can take over the control of the vehicle in time when the driver wants to control the vehicle in a self-mode.
In some embodiments, the relay in the power supply module is also connected with other vehicle systems through other safety devices, so that independent power supply of the advanced driving assistance system ADAS is realized on the basis of not changing the existing vehicle power supply line.
In certain embodiments, the other vehicle systems are body electronics and/or chassis electronics for powering the body electronics and/or chassis electronics through a power source and a relay. The intelligent entry and start system is first connected to the body electronics system and/or chassis electronics system via a relay and a safety device, and then connected to the advanced driver assistance system ADAS via the safety device of the advanced driver assistance system ADAS at the relay. The relatively independent power supply of the advanced driver assistance system ADAS can be realized at low cost and in a space-saving manner without changing the existing wiring design of the vehicle.
In some embodiments, the power detection and control device is configured to detect a voltage of the power source, and the power detection and control device is electrically connected to the power source and is electrically connected to the normally open switch. When the voltage of the power supply is lower than the preset threshold value, the power supply detection and control device closes the normally open switch so as to start other power supplies, and the other power supplies are used for supplying power to the power supply module. The voltage of the power supply can be monitored in real time, when the voltage of the power supply is low and is not enough to supply power to the power supply module of the advanced driving assistance system ADAS, the power supply detection and control device can control the normally open switch to be closed so as to switch on other power supplies, and the power supply module 13 is supplied with power through other power supplies, so that the safety and the reliability of the power supply of the advanced driving assistance system ADAS are further ensured
This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the disclosure, nor is it intended to be used to limit the scope of the disclosure.
Drawings
The foregoing and other objects, features and advantages of the disclosure will be apparent from the following more particular descriptions of exemplary embodiments of the disclosure as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the disclosure.
Fig. 1 illustrates the composition of a power supply device and the manner of connection to an advanced driving assistance system;
FIG. 2 illustrates the connection of a power module to a smart entry and start system and to an advanced driving assistance system in one embodiment;
FIG. 3 illustrates that in another embodiment, the relays in the power module are also connected to other vehicle systems through other safeties;
fig. 4 illustrates a connection manner of the power supply detection and control device.
Detailed Description
Preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The term "include" and variations thereof as used herein is meant to be inclusive in an open-ended manner, i.e., "including but not limited to". Unless specifically stated otherwise, the term "or" means "and/or". The term "based on" means "based at least in part on". The terms "one example embodiment" and "one embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first," "second," and the like may refer to different or the same object. Other explicit and implicit definitions are also possible below.
As discussed above, the power supply of the advanced driving assistance system ADAS in the prior art interferes with the power supply of other electric devices of the entire vehicle, which causes the problem that the power supply of the components of the advanced driving assistance system ADAS is not safe.
According to an embodiment of the present disclosure, a power supply apparatus 100 for an advanced driving assistance system of a motor vehicle is provided.
The basic principles and several example implementations of the present disclosure are explained below with reference to the drawings.
Fig. 1 shows a power supply device 100 for an advanced driver assistance system 200 for a motor vehicle. The power supply device 100 includes a power supply 11, a power supply module 13, and a connection circuit 12.
The power supply 11 is used to supply power to the advanced driving assistance system 200 through the power supply module 13. The power supply module 13 is coupled with the advanced driving assistance system 200. The connection circuit 12 connects the power supply 11 with the power supply module 13.
In such an embodiment, an independent advanced driving assistance system ADAS power supply line is added on the basis of a traditional power supply line, so that the power supply of the advanced driving assistance system ADAS can be isolated from the power supply of other electrical appliances, and the safety of the electrical appliances of the whole vehicle can be ensured. In some embodiments, the power supply module is only used for supplying power to the advanced driving assistance system ADAS, and is not used for supplying power to other devices of the entire vehicle, so that independent power supply of the advanced driving assistance system ADAS can be further ensured.
In some embodiments, the power supply is connected only to the power module and is dedicated to the power module. That is, the power supply in this disclosure is a dedicated power supply of the advanced driving assistance system ADAS, and is not shared with other electrical appliances of the entire vehicle. The power source in the present disclosure may be, for example, a storage battery, a lithium battery, a solar cell, a hydrogen cell, a graphene cell, or the like. According to the embodiment, on the basis that the power supply line of the advanced driving assistance system ADAS is isolated from the power supply lines of other electrical appliances, the power supply source of the advanced driving assistance system ADAS is also isolated from the power supply sources of the other electrical appliances, so that the problem of mutual interference of power supply is further avoided.
In some embodiments, the other power source is connected to the power module as a backup power source through a normally open switch. According to such an embodiment, when the power supply is faulty or insufficient in voltage, the standby power supply provides emergency power for the advanced driving assistance system ADAS through the power supply module, so that the safety and reliability of power supply of the advanced driving assistance system ADAS can be further ensured.
In certain embodiments, the advanced driving assistance system ADAS comprises one or more driving assistance modules comprising an electronic control unit and a driving assistance device, wherein the electronic control unit controls the operation of the driving assistance device. The driving assistance modules, which are composed of the electronic control unit and the driving assistance device, can coordinate with each other, so that the driving assistance function is realized.
In some embodiments, the above-described driving assistance apparatus includes at least one of: navigation device, radar installations, camera device, laser sensor and ultrasonic sensor. The navigation device can realize real-time positioning and tracking, driving track playback and real-time monitoring of vehicle conditions (vehicle speed, mileage data and the like) by determining the position of the vehicle, thereby ensuring driving safety. Radar devices are used, for example, for Active Cruise Control (ACC), Blind Spot Detection (BSD) and merge assist (LCA) functions, such as warning the driver when an object is present in the blind spot or a vehicle in an adjacent lane enters the blind spot. Next, the information thereof can be combined with a navigation system to better achieve vehicle guidance, wherein a radar sensor installed in front of or behind the vehicle can be used to prevent the occurrence of a collision. The camera device can monitor image information, such as the size and the shape of a side object, and can also monitor other road users, traffic signals, road signs and other conditions.
In addition, the above-described driving assistance apparatuses may be matched with each other, and different data obtained by them may be fused with each other for adding a system function or enhancing an existing function. For example, the fusion of radar devices, camera devices, and laser sensors with navigation data is important to improving vehicle performance. By combining the information from the camera and the public map, the recognition rate of the traffic signal recognition system can be improved. The output of the navigation device is adapted to traffic conditions, radar means or camera means, such as monitoring the vehicle in a blind spot or other lane.
Fig. 2 illustrates the connection of the power supply module 13 to the smart entry and start system and to the advanced driving assistance system 200. The power supply module 13 includes a relay 131 and a safety device 132, wherein the relay 131 is connected to the safety device 132, and the safety device 132 is connected to the advanced driving assistance system 200. By using the relay 131 and the safety device 132, the power supply of the advanced driving assistance system ADAS can be cut off in time at an abnormally large current due to, for example, lightning, a short circuit, or the like, so that the advanced driving assistance system ADAS can be protected from being damaged.
In some embodiments, the relay 131 is connected to the smart entry and start system 300, wherein the smart entry and start system 300 controls the start, the shut down, and the operation of the advanced driving assistance system 200 through the power supply module 13. The intelligent entering and starting system is connected with the advanced driving auxiliary system through the power supply module, so that the advanced driving auxiliary system can be actively controlled by a driver through the intelligent entering and starting system, and the driver can take over the control of the vehicle in time when the driver wants to control the vehicle in a self-mode. For example, when a driver wants to change a travel destination, change a route and stop temporarily in the course of a travel, the advanced driving assistance system can be turned off or a new instruction can be issued to the advanced driving assistance system through the intelligent entry and start system, so that the advanced driving assistance system can assist in controlling the vehicle to run according to the intention of the driver.
Fig. 3 illustrates that in some embodiments, the relay 131 in the power module 13 is also connected to other vehicle systems 400 through other safeties 133, thereby enabling the separate powering of the advanced driver assistance system ADAS without significantly altering the existing vehicle power supply lines.
In certain embodiments, the other vehicle systems are body electronics and/or chassis electronics for powering the body electronics and/or chassis electronics through a power source and a relay. In fact, according to such an embodiment, smart entry and start system 300 is first connected to the body electronics system and/or chassis electronics system through a relay and fuse, and then connected to the advanced driving assistance system ADAS at the relay through the fuse of the advanced driving assistance system ADAS. Since, according to such an embodiment, the advanced driving assistance system ADAS shares the relay and the connection circuit of the relay to the power supply with the body electronics system and/or the chassis electronics system, and the body electronics system and/or the chassis electronics system are higher in terms of electrical safety compared to other systems of the vehicle, such as for example entertainment comfort systems, etc., a relatively independent power supply of the advanced driving assistance system ADAS can be realized at a lower cost and in a space-saving manner without changing the existing wiring design of the vehicle.
Fig. 4 illustrates the connection of the power detection and control device 16 to the power supply device 100.
As can be seen in fig. 4, the power supply detection and control device 16 is used to detect the voltage of the power supply 11, the power supply detection and control device 16 being connected to the power supply 11 by an electrical connection and to the normally open switch 15 by another electrical connection. When the voltage of the power supply 11 is lower than the preset threshold, the power detection and control device 16 closes the normally open switch to start the other power supply for supplying power to the power supply module. According to such an embodiment, the voltage of the power source can be monitored in real time, and when the voltage of the power source is low enough to supply power to the power supply module of the advanced driving assistance system ADAS, the power source detection and control device 16 can control the normally open switch 15 to be closed so as to switch on the other power source 14, and power is supplied to the power supply module 13 through the other power source, so that the safety and reliability of power supply of the advanced driving assistance system ADAS can be further ensured.
It is to be understood that all numbers in the drawings of the present disclosure are exemplary and can be adjusted according to specific application requirements.
The block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems according to various embodiments of the present disclosure. In this regard, each block in the block diagrams may represent a module. Each block in the block diagrams may be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
It is to be understood that the above detailed embodiments of the present disclosure are merely illustrative of or explaining the principles of the disclosure, and that the above description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Therefore, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the protection scope of the present disclosure. Also, it is intended that the following claims cover all such changes and modifications that fall within the scope and boundaries of the claims or the equivalents of the scope and boundaries. The terms used in the present disclosure are selected to best explain the principles of the embodiments, the practical application, or improvements to the technology in the market, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. A power supply device for an advanced driving assistance system, ADAS, of a motor vehicle, characterized in that it comprises:
a power supply for providing electrical power;
a power supply module coupled to the Advanced Driving Assistance System (ADAS), the power supply supplying power to the Advanced Driving Assistance System (ADAS) through the power supply module;
and the connecting circuit is used for connecting the power supply with the power supply module.
2. The power supply device according to claim 1, characterized in that the power supply module comprises a relay and a safety device, wherein the relay is connected with the safety device and the safety device is connected with the advanced driving assistance system ADAS.
3. The power supply of claim 2, wherein the relay is connected to other vehicle systems through other safety devices for powering the other vehicle systems through the power source.
4. The power supply device according to claim 2 or 3, characterized in that the relay is connected to a smart entry and start system PEPS, wherein the smart entry and start system PEPS controls the start, the shut down and the operation of the advanced driving assistance system ADAS via the power supply module.
5. The power supply device of claim 1, wherein the power source is connected only to the power module and is dedicated to the power module.
6. The power supply device according to claim 1, wherein another power source is connected to the power supply module as a backup power source through a normally open switch.
7. The power supply device according to claim 6, further comprising a power detection and control device for detecting a voltage of said power source, said power detection and control device being connected to said power source by an electrical connection and to said normally open switch by another electrical connection, and when said voltage is below a preset threshold, closing said normally open switch to activate said other power source for supplying power to said power supply module.
8. The power supply device of claim 3, wherein the other vehicle system is a body electronics system and/or a chassis electronics system for powering the body electronics system and/or the chassis electronics system via the power source and the relay.
9. The power supply arrangement according to claim 1, characterized in that the advanced driving assistance system ADAS comprises one or more driving assistance modules, which driving assistance modules comprise an electronic control unit and a driving assistance device.
10. The power supply device according to claim 9, characterized in that the driving assistance device includes at least one of:
navigation device, radar installations, camera device, laser sensor and ultrasonic sensor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811626834.8A CN111376854A (en) | 2018-12-28 | 2018-12-28 | Power supply device for advanced driver assistance system of motor vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811626834.8A CN111376854A (en) | 2018-12-28 | 2018-12-28 | Power supply device for advanced driver assistance system of motor vehicle |
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| CN111376854A true CN111376854A (en) | 2020-07-07 |
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| CN201811626834.8A Pending CN111376854A (en) | 2018-12-28 | 2018-12-28 | Power supply device for advanced driver assistance system of motor vehicle |
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| CN204095721U (en) * | 2014-09-24 | 2015-01-14 | 中山市龙的数位电子科技有限公司 | A kind of new automobile auxiliary power unit (APU) |
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