CN212828208U - Circuit system for autonomous vehicle, autonomous vehicle - Google Patents
Circuit system for autonomous vehicle, autonomous vehicle Download PDFInfo
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- CN212828208U CN212828208U CN202020551138.1U CN202020551138U CN212828208U CN 212828208 U CN212828208 U CN 212828208U CN 202020551138 U CN202020551138 U CN 202020551138U CN 212828208 U CN212828208 U CN 212828208U
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Abstract
The present disclosure relates to a circuit system for an autonomous vehicle, the autonomous vehicle to solve the problem of instability of autonomous driving during autonomous driving of the vehicle, the circuit system comprising: the power supply device comprises a power supply device, a first driving module and a low-voltage storage battery which are connected with the output end of the power supply device, and a second driving module which is connected with the low-voltage storage battery; the power supply device is used for supplying power to a load of the automatic driving vehicle and charging the low-voltage storage battery; the low-voltage storage battery is used for supplying power to the load of the automatic driving vehicle when the power supply device cannot supply power to the load of the automatic driving vehicle; the first driving module is used for realizing automatic driving of the automatic driving vehicle on the basis of electric power provided by any one of the power supply device and the low-voltage storage battery; the second drive module is used for realizing automatic driving of the automatic driving vehicle based on electric power provided by any one of the power supply device and the low-voltage storage battery when the first drive module fails.
Description
Technical Field
The present disclosure relates to the field of vehicle autopilot technology, and in particular, to a circuit system for an autopilot vehicle, the autopilot vehicle.
Background
A Self-driving Car (also called as an unmanned vehicle) is an intelligent vehicle that realizes unmanned driving through a vehicle-mounted electronic system. Safe driving and reliability of autonomous vehicles are particularly important. In the related art, an automatic Driving vehicle includes an Electronic Stability Program (ESP), an Electronic Power Steering (EPS), and an Automatic Driving Control (ADC). The systems all realize automatic driving of the automatic driving vehicle based on the power supplied by the power supply device.
SUMMERY OF THE UTILITY MODEL
The purpose of this disclosure is to provide a circuit system for an autonomous vehicle, the autonomous vehicle, to solve the problem of unstable autonomous driving during the autonomous driving of the vehicle.
To achieve the above object, a first aspect of the present disclosure provides a circuit system for an autonomous vehicle, the circuit system comprising:
the power supply device comprises a power supply device, a first driving module and a low-voltage storage battery which are connected with the output end of the power supply device, and a second driving module which is connected with the low-voltage storage battery;
the power supply device is used for supplying power to a load of the automatic driving vehicle and charging the low-voltage storage battery;
the low-voltage battery is used for supplying power to a load of the autonomous vehicle when the power supply device cannot supply power to the load of the autonomous vehicle;
the first driving module is used for realizing automatic driving of the automatic driving vehicle based on electric power provided by any one of the power supply device and the low-voltage storage battery;
the second driving module is used for realizing automatic driving of the automatic driving vehicle based on electric power provided by any one of the power supply device and the low-voltage storage battery when the first driving module fails.
Optionally, the circuit system further includes a first control module connected to the first driving module and the power supply device;
the first control module is used for controlling the voltage output to the first driving module by the power supply device.
Optionally, the first driving module comprises a first electronic stabilizing system, a first electronic steering assist system and a first automatic driving control system;
the second driving module comprises a second electronic stabilizing system, a second electronic steering assisting system and a second automatic driving control system.
Optionally, the circuit system further comprises at least one first fuse connected between the first electronic stability system and the power supply device, at least one first fuse connected between the first electronic power steering system and the power supply device, and at least one first fuse connected between the first automatic steering control system and the power supply device, each first fuse being configured to disconnect the branch circuit when the branch circuit current is greater than a fuse rated current.
Optionally, the vehicle circuit further comprises at least one second fuse connected between the second electronic stability system and the low voltage battery, at least one second fuse connected between the second electronic power steering system and the low voltage battery, and at least one second fuse connected between the second autopilot control system and the low voltage battery, each second fuse being configured to open a branch circuit when the branch circuit current is greater than a fuse rated current.
Optionally, the circuit system further comprises a power-off protector connected between the low-voltage battery and the power supply device, and configured to disconnect the electrical connection between the low-voltage battery and the power supply device when any one of the second fuses is opened.
Optionally, the circuit system further includes a second control module, connected to the power-off protector, and configured to disconnect the power-off protector and stop the power supply from the power supply device to the low-voltage battery when a short-circuit fault occurs at a power end of the power-off protector is detected for a preset number of consecutive cycles according to a preset detection period.
Optionally, the circuit system further includes a low-voltage battery sensor connected to the low-voltage battery for detecting a state of charge of the low-voltage battery.
Optionally, the circuit system further includes a third control module, connected to the low-voltage battery sensor and the power supply device, and configured to increase a charging voltage of the low-voltage battery by the power supply device when the low-voltage battery sensor detects that the state of charge of the low-voltage battery is lower than a preset state of charge threshold.
A second aspect of the present disclosure provides an autonomous vehicle comprising the circuitry for an autonomous vehicle of any of the above.
Through the technical scheme, the following beneficial effects can be at least achieved:
according to the system, the power supply device supplies power to the load of the automatic driving vehicle, the low-voltage storage battery is charged, the low-voltage storage battery supplies power to the load of the automatic driving vehicle when the power supply device cannot supply power to the load of the automatic driving vehicle, the first driving module realizes automatic driving of the automatic driving vehicle on the basis of the power supplied by the power supply device or the low-voltage storage battery, and the second driving module realizes automatic driving of the automatic driving vehicle on the basis of the power supplied by the power supply device or the low-voltage storage battery when the first driving module fails. In this way, the low-voltage storage battery is used as a power supply device and is designed redundantly in automatic driving of the vehicle, and the second driving module is used as a first driving module and is designed redundantly in automatic driving of the vehicle, so that the driving reliability of the automatic driving vehicle can be improved, and the safety of the automatic driving vehicle can be improved.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a block diagram illustrating circuitry for an autonomous vehicle in accordance with an exemplary embodiment.
FIG. 2 is a block diagram illustrating another circuit system for an autonomous vehicle in accordance with an exemplary embodiment.
FIG. 3 is a block diagram illustrating another circuit system for an autonomous vehicle in accordance with an exemplary embodiment.
FIG. 4 is a block diagram illustrating another circuit system for an autonomous vehicle in accordance with an exemplary embodiment.
FIG. 5 is a block diagram illustrating another circuit system for an autonomous vehicle in accordance with an exemplary embodiment.
FIG. 6 is a block diagram illustrating another circuit system for an autonomous vehicle in accordance with an exemplary embodiment.
FIG. 7 is a block diagram illustrating another circuit system for an autonomous vehicle in accordance with an exemplary embodiment.
FIG. 8 is a block diagram illustrating another circuit system for an autonomous vehicle in accordance with an exemplary embodiment.
FIG. 9 is a block diagram illustrating another circuit system for an autonomous vehicle in accordance with an exemplary embodiment.
Description of the reference numerals
Low-voltage battery 130, second control module 710, second electronic stability system 1401
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, and are not intended to limit the present disclosure.
In the related art, when the ESP, EPS and ADC are in fault at will, the automatic driving of the autonomous vehicle cannot be realized, and since the autonomous driving exits, if the driver does not take over the control right of the autonomous vehicle in time, a safety accident may occur. When the power supply device provides power and fails, automatic driving of the automatic driving vehicle cannot be achieved, and safety and reliability are low.
FIG. 1 is a block diagram illustrating circuitry for an autonomous vehicle in accordance with an exemplary embodiment. As shown in fig. 1, the circuitry 100 includes:
a power supply device 110, a first driving module 120 and a low-voltage battery 130 connected to an output terminal of the power supply device 110, and a second driving module 140 connected to the low-voltage battery 130;
the power supply device 110 is configured to supply power to a load of the autonomous vehicle and charge the low-voltage battery 130;
the low-voltage battery 130 is used for supplying power to a load of the autonomous vehicle when the power supply apparatus 110 cannot supply power to the load of the autonomous vehicle;
the first driving module 120 is configured to implement automatic driving of the autonomous vehicle based on power supplied from any one of the power supply device 110 and the low-voltage battery 130;
the second driving module 140 is configured to implement automatic driving of the autonomous vehicle based on electric power provided by any one of the power supply device 110 and the low-voltage battery 130 when the first driving module 120 fails.
The power supply device 110 may be a generator or a power battery pack of a new energy vehicle. If the power supply device 110 is a generator, the output terminal of the power supply device 110 refers to the B + terminal of the generator, i.e., the power input terminal of the first driving module 120 and the positive electrode of the low-voltage battery 130 are connected to the generator B +. If the power supply device 110 is a power battery pack, since the power battery pack provides a high voltage, the power battery pack and the first driving module 120 must first pass through a DC/DC controller, that is, the power input end of the first driving module 120 and the positive electrode of the low-voltage battery 130 are connected to the low-voltage output end of the DC/DC controller, and the high-voltage input end of the DC/DC controller is connected to the high-voltage output end of the power battery pack.
It should be noted that if the autonomous vehicle is equipped with an energy recovery function, the energy recovery device may also be used as the power supply device 110.
Specifically, when the first driving module 120 is normally operated, the first driving module 120 implements automatic driving of the autonomous vehicle based on the power supplied from the power supply device 110, for example, speed-limited driving according to different road conditions. At this time, the power supply device 110 not only supplies power to the in-vehicle electrical equipment to ensure driving comfort and safety of the vehicle, but also supplies power required for charging to the low-voltage battery 130. When the first driving module 120 malfunctions, the automatic driving of the autonomous vehicle cannot be achieved, for example, the first driving module 120 is damaged, and the second driving module 140 achieves the automatic driving of the autonomous vehicle based on the power supplied from the power supply device 110. When the power supplied from the power supply device 110 fails, for example, the power supply device 110 is short of power, the first driving module 120 realizes the automatic driving of the autonomous vehicle based on the power supplied from the low-voltage battery 130. The automatic driving of the automatic driving vehicle is realized based on the electric power supplied from the low-voltage battery 130. When the power supplied from the power supply device 110 fails and the first driving module 120 fails and the autonomous driving of the autonomous vehicle cannot be realized, the second driving module 140 realizes the autonomous driving of the autonomous vehicle based on the power supplied from the low-voltage storage battery 130.
In one possible implementation, when the first driving module fails and cannot achieve the automatic driving of the autonomous vehicle, the second driving module may achieve the automatic driving of the autonomous vehicle for a preset time based on the power supplied from the power supply device 110 or the low-voltage battery. For example, when the first driving module is damaged, the automatic driving of the automatic driving vehicle cannot be realized, and a warning prompt is given to the driver, for example, in the form of a caption in a display area such as a combination meter, a message indicating that the automatic driving of the vehicle is failed and the driver needs to take over the driving of the vehicle after 20 seconds is given, or a prompt sound is given to remind the driver of the automatic driving of the vehicle and the driver needs to take over the driving of the vehicle after 20 seconds. Within the 20 seconds, the automatic driving of the autonomous vehicle is achieved by the second driving module based on the power supplied from the power supply device 110 or the low-voltage battery 130.
In another possible implementation manner, the first driving module 120 and the second driving module 140 jointly implement automatic driving of the vehicle, the first driving module 120 and the second driving module 140 are redundant to each other, and when one of the driving modules fails, the other driving module can still implement automatic driving of the vehicle, thereby improving reliability and safety of automatic driving of the vehicle.
In addition, if the positive electrode of the low-voltage battery 130 is disconnected, the power supply device 110 may continue to provide power to the first driving module 120, and the first driving module 120 may still operate normally, thereby implementing automatic driving of the autonomous vehicle. If the output end of the power supply device 110 has a short-circuit fault, the low-voltage battery 130 can continue to provide power for the first driving module 120, and the first driving module 120 can still work normally, so that the automatic driving of the automatic driving vehicle is realized. If the first driving module 120 fails and the automatic driving of the autonomous vehicle cannot be realized, the power supply device 110 or the low-voltage battery 130 may continue to supply power to the second driving module 140, and the second driving module 140 may operate normally to realize the automatic driving of the autonomous vehicle.
The system provides power for the load of the automatic driving vehicle through the power supply device and charges the low-voltage storage battery, the low-voltage storage battery provides power for the load of the automatic driving vehicle when the power supply device cannot provide power for the load of the automatic driving vehicle, the first driving module realizes automatic driving of the automatic driving vehicle based on the power provided by the power supply device or the low-voltage storage battery, and the second driving module realizes automatic driving of the automatic driving vehicle based on the power provided by the power supply device or the low-voltage storage battery when the first driving module breaks down. In this way, the low-voltage storage battery is used as a power supply device and is designed redundantly in automatic driving of the vehicle, and the second driving module is used as a first driving module and is designed redundantly in automatic driving of the vehicle, so that the driving reliability of the automatic driving vehicle can be improved, and the safety of the automatic driving vehicle can be improved.
FIG. 2 is a block diagram illustrating another circuit system for an autonomous vehicle in accordance with an exemplary embodiment. As shown in fig. 2, the circuit system 100 further includes a first control module 210 connected to the first driving module 120 and the power supply device 110;
the first control module 210 is configured to control the voltage output by the power supply device 110 to the first driving module 120.
Specifically, the first control module 210 controls the power supply device 110 to reduce the voltage output to the first driving module 120 when detecting that the voltage of the first driving module 120 is higher than the preset first voltage threshold. For example, when the first control module 210 detects that the voltage of the first driving module 120 is 17V and is higher than the preset first voltage threshold 16V, the first control module controls the power supply device 110 to decrease the voltage output to the first driving module 120.
If the voltage output to the first driving module 120 is reduced and the voltage of the first driving module 120 is still detected to be higher than the preset first voltage threshold, the power supply device 110 stops supplying power to the first driving module 120, and the low-voltage battery 130 supplies power to the first driving module 120.
The first control module 210 controls the power supply device 110 to increase the voltage output to the first driving module 120 when detecting that the voltage of the first driving module 120 is lower than the preset second voltage threshold. For example, when the first control module 210 detects that the voltage of the first driving module 120 is 8V and is lower than the preset second voltage threshold 9V, the first control module controls the power supply device 110 to increase the voltage output to the first driving module 120.
The first control module 210 controls the power supply device 110 to output the voltage to the first driving module 120 according to the preset output threshold when detecting that the voltage fluctuation amplitude of the first driving module 120 is greater than the preset amplitude threshold. For example, when detecting that the voltage fluctuation amplitude of the first driving module 120 is 6 and greater than the preset amplitude threshold value 3V, the first control module 210 controls the power supply device 110 to output the voltage to the first driving module 120 according to the preset output threshold value 14.3V.
Therefore, when the voltage of the first driving module is abnormal, the voltage output to the first driving module by the power supply device can be adjusted in time, the normal work of the first driving module is ensured, and the driving reliability of the automatic driving vehicle can be further improved.
FIG. 3 is a block diagram illustrating another circuit system for an autonomous vehicle in accordance with an exemplary embodiment. As shown in fig. 3, the first driving module 120 includes a first electronic stability system 1201, a first electronic power steering system 1202, and a first automatic driving control system 1203;
the second driving module 140 includes a second electronic stability system 1401, a second electronic power steering system 1402 and a second autopilot control system 1403.
Specifically, as described above, normally, the automatic driving of the autonomous vehicle is realized by the first driving module 120 based on the power supplied by the power supply device 110, that is, the automatic driving of the autonomous vehicle is realized by the first electronic stability system 1201, the first electronic power steering system 1202 and the first automatic driving control system 1203 based on the power supplied by the power supply device 110. When the first driving module 120 fails or when the power supplied from the power supply device 110 fails and the autonomous driving of the autonomous vehicle cannot be performed, the second driving module 140 performs the autonomous driving of the autonomous vehicle based on the power supplied from the low-voltage battery 130, that is, the autonomous driving of the autonomous vehicle is performed by the second electronic stability system 1401, the second electronic steering assist system 1402, and the second autonomous driving control system 1403 based on the power supplied from the low-voltage battery 130.
FIG. 4 is a block diagram illustrating another circuit system for an autonomous vehicle in accordance with an exemplary embodiment. As shown in fig. 4, the circuit system 100 further includes at least one first fuse 410 connected between the first electronic stability system 1201 and the power supply apparatus 110, at least one first fuse 410 connected between the first electronic power steering system 1202 and the power supply apparatus 110, and at least one first fuse 410 connected between the first automatic steering control system 1203 and the power supply apparatus 110, wherein each first fuse 410 is configured to disconnect a branch circuit when the branch circuit current is greater than a fuse rated current.
Specifically, the first fuse 410 of each branch circuit normally satisfies the current demand of the branch circuit, and when a fault such as a short circuit occurs in the electric equipment of the branch circuit, the current flowing through the branch circuit is large, and when the current is larger than the fuse rated current, the first fuse 410 is opened. Alternatively, the first fuse 410 may be a fuse piece for a vehicle for economical cost and easy replacement.
For example, if the first electronic stability system 1201 has a short-circuit fault, the first fuse 410 connected between the first electronic stability system 1201 and the power supply device 110 opens the branch circuit, and at this time, although the operating current of the first electronic power steering system 1202 and the first automatic driving control system 1203 does not exceed the fuse rated current, the automatic driving of the automatic driving vehicle is taken over by the second driving module 140 to realize safe driving.
FIG. 5 is a block diagram illustrating another circuit system for an autonomous vehicle in accordance with an exemplary embodiment. As shown in fig. 5, the circuit system 100 further includes at least one second fuse 510 connected between the second electronic stability system 1401 and the low-voltage battery 130, at least one second fuse 510 connected between the second electronic power steering system 1402 and the low-voltage battery 130, and at least one second fuse 510 connected between the second autopilot control system 1403 and the low-voltage battery 130, each second fuse 510 being configured to disconnect a branch circuit when the branch circuit current is greater than a fuse rated current.
Specifically, the second fuse 510 of each branch circuit normally satisfies the current demand of the branch circuit, and when a fault such as a short circuit occurs in the electric equipment of the branch circuit, the current flowing through the branch circuit is large, and when the current is larger than the fuse rated current, the second fuse 510 is turned off. Alternatively, the second fuse 510 may be a fuse piece for a vehicle for economical cost and easy replacement.
For example, if the second electronic stability system 1401 has a short-circuit fault, the second fuse 510 connected between the second electronic stability system 1401 and the low-voltage battery 130 opens the branch circuit, and at this time, although the operating current of the second electronic power steering system 1402 and the second automatic driving control system 1403 does not exceed the fuse rated current under the power condition supplied from the low-voltage battery 130, the automatic driving vehicle will prompt the driver to take over the driving control right of the vehicle in order to realize safe driving.
FIG. 6 is a block diagram illustrating another circuit system for an autonomous vehicle in accordance with an exemplary embodiment. As shown in fig. 6, the circuit system 100 further includes a power cut-off protector 610 connected between the low-voltage battery 130 and the power supply apparatus 110, for electrically disconnecting the low-voltage battery 130 from the power supply apparatus 110 when any of the second fuses 510 is opened.
Specifically, when any one of the second fuses 510 is disconnected, in order to prevent the voltage and current variation of the low-voltage battery 130 from affecting the normal operation of the electric equipment of the entire vehicle, the connection between the low-voltage battery 130 and the power supply device 110 is disconnected.
FIG. 7 is a block diagram illustrating another circuit system for an autonomous vehicle in accordance with an exemplary embodiment. As shown in fig. 7, the circuit system 100 further includes a second control module 710, connected to the power-off protector 610, and configured to disconnect the power-off protector 610 and stop the power supply from the power supply apparatus 110 to the low-voltage battery 130 when a short-circuit fault occurs at a power end of the power-off protector 610 according to a preset detection period and continuously for a preset number of times.
Alternatively, the second Control Module 710 may be disposed in a Body Control Module (BCM), or a Vehicle Control Unit (VCU). For example, if the second control module 710 is disposed in the BCM, the VOL pin of the BCM is connected to the power supply terminal (GB) of the power-off protector 610, the con-pin of the BCM is connected to the negative terminal of the control terminal of the power-off protector 610, and the con + pin of the BCM is connected to the positive terminal of the control terminal of the power-off protector 610. The BCM detects whether a short-circuit fault occurs in the power supply terminal (GB) of the power cutoff protector 610 for 4 consecutive cycles in one detection cycle of 25ms through the VOL pin, and if a short-circuit fault occurs in the power supply terminal (GB) of the power cutoff protector 610, the power cutoff protector 610 is controlled to be turned off through a con-pin, a con + pin current signal, a voltage signal, or the like, and stops the power supply from the power supply device 110 to the low-voltage battery 130, for example, a line corresponding to a generator is turned off, and a line corresponding to a DC/DC controller is turned off.
FIG. 8 is a block diagram illustrating another circuit system for an autonomous vehicle in accordance with an exemplary embodiment. As shown in fig. 8, the circuit system 100 further includes a low-voltage battery sensor 810 connected to the low-voltage battery 130 for detecting a state of charge of the low-voltage battery 130.
It is understood that, since the State of Charge (SOC) of the low-voltage battery 130 cannot be directly measured, it can be estimated only by parameters such as terminal voltage, Charge/discharge current, and internal resistance of the low-voltage battery 130. Alternatively, low-voltage battery sensor 810 may be connected between low-voltage battery 130 and ground. Optionally, the state of charge of the low-voltage battery 130 collected by the low-voltage battery sensor 810 can be timely fed back to the driver, so that the driver can prepare to take corresponding measures according to the state of charge of the low-voltage battery 130.
FIG. 9 is a block diagram illustrating another circuit system for an autonomous vehicle in accordance with an exemplary embodiment. As shown in fig. 9, the circuit system 100 further includes a third control module 910, connected to the low-voltage battery sensor 810 and the power supply apparatus 110, for increasing the charging voltage of the power supply apparatus 110 to the low-voltage battery 130 when the low-voltage battery sensor 810 detects that the state of charge of the low-voltage battery 130 is lower than a preset state of charge threshold.
Specifically, the SOC is used to reflect the remaining capacity of the battery, which is numerically defined as the ratio of the remaining capacity to the battery capacity, expressed in percent. When the low-voltage battery sensor 810 detects that the state of charge of the low-voltage battery 130 is lower than a preset state of charge threshold, the charging voltage of the low-voltage battery 130 by the power supply device 110 is increased. For example, when the low-voltage battery sensor 810 detects that the state of charge of the low-voltage battery 130 is 70% and is lower than the preset state of charge threshold 80%, the power generation voltage of the generator is increased, or the voltage supplied from the DC/DC controller is increased to charge the low-voltage battery 130. When the low-voltage battery sensor 810 detects that the state of charge of the low-voltage battery 130 is 90%, the generated voltage of the generator is reduced, or the voltage provided by the DC/DC controller is reduced, so that the charging voltage of the low-voltage battery 130 is reduced, and the low-voltage battery 130 is prevented from being damaged.
Optionally, the third control module 910 may be disposed in the BCM or the VCU.
The present disclosure also provides an autonomous vehicle comprising the circuitry for an autonomous vehicle of any of the above. The detailed description of the present invention is provided in the context of a corresponding information push method for a vehicle applied to a server, and may be described with reference to the foregoing embodiments and accompanying drawings, which are not described in detail herein.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination between various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure as long as it does not depart from the idea of the present disclosure.
Claims (10)
1. A circuit system for an autonomous vehicle, the circuit system comprising:
the power supply device (110), a first driving module (120) and a low-voltage storage battery (130) which are connected with the output end of the power supply device (110), and a second driving module (140) which is connected with the low-voltage storage battery (130);
the power supply device (110) is used for supplying power to the load of the automatic driving vehicle and charging the low-voltage storage battery (130);
the low-voltage battery (130) is used for supplying power to a load of the autonomous vehicle when the power supply device (110) cannot supply power to the load of the autonomous vehicle;
the first driving module (120) is used for realizing automatic driving of the automatic driving vehicle based on the power provided by any one of the power supply device (110) and the low-voltage storage battery (130);
the second drive module (140) is configured to implement automatic driving of the automatic driving vehicle based on electric power supplied from any one of the power supply device (110) and a low-voltage battery (130) when the first drive module (120) fails.
2. The circuit system of claim 1, further comprising a first control module (210) coupled to the first driver module (120) and the power supply (110);
the first control module (210) is used for controlling the voltage output by the power supply device (110) to the first driving module (120).
3. The circuit system of claim 1, wherein the first drive module (120) comprises a first electronic stability system (1201), a first electronic power steering system (1202), and a first autopilot control system (1203);
the second drive module (140) comprises a second electronic stability system (1401), a second electronic power steering system (1402) and a second autopilot control system (1403).
4. A circuit system according to claim 3, characterized in that it further comprises at least one first fuse (410) connected between said first electronic stability system (1201) and said power supply means (110), at least one first fuse (410) connected between said first electronic power steering system (1202) and said power supply means (110), and at least one first fuse (410) connected between said first autopilot control system (1203) and said power supply means (110), each first fuse (410) being adapted to open a branch circuit when the branch circuit current is greater than the fuse rating current.
5. Circuit system according to claim 4, characterized in that it further comprises at least one second fuse (510) connected between the second electronic stability system (1401) and the low voltage battery (130), at least one second fuse (510) connected between the second electronic power steering system (1402) and the low voltage battery (130), and at least one second fuse (510) connected between the second autopilot control system (1403) and the low voltage battery (130), each second fuse (510) being adapted to open a branch circuit when the branch circuit current is greater than the fuse rated current.
6. The circuit system according to claim 5, further comprising a power-off protector (610) connected between the low-voltage battery (130) and the power supply device (110) for electrically disconnecting the low-voltage battery (130) from the power supply device (110) when any one of the second fuses (510) is opened.
7. The circuit system according to claim 6, further comprising a second control module (710) connected to the power-off protector (610) for disconnecting the power-off protector (610) and stopping the power supply from the power supply device (110) to the low-voltage battery (130) when a short-circuit fault occurs at the power terminal of the power-off protector (610) according to a preset detection period and continuously for a preset number of times.
8. The circuit system of claim 1, further comprising a low-voltage battery sensor (810) coupled to the low-voltage battery (130) for sensing a state of charge of the low-voltage battery (130).
9. The circuit system according to claim 8, further comprising a third control module (910) coupled to the low-voltage battery sensor (810) and the power supply device (110) for increasing the charging voltage of the low-voltage battery (130) from the power supply device (110) when the low-voltage battery sensor (810) detects that the state of charge of the low-voltage battery (130) is below a preset state of charge threshold.
10. An autonomous vehicle, characterized in that it comprises a circuit system for an autonomous vehicle according to any of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020551138.1U CN212828208U (en) | 2020-04-14 | 2020-04-14 | Circuit system for autonomous vehicle, autonomous vehicle |
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| CN202020551138.1U CN212828208U (en) | 2020-04-14 | 2020-04-14 | Circuit system for autonomous vehicle, autonomous vehicle |
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| CN212828208U true CN212828208U (en) | 2021-03-30 |
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