CN114454719B - Vehicle control method and device, medium, equipment and vehicle - Google Patents
Vehicle control method and device, medium, equipment and vehicle Download PDFInfo
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- CN114454719B CN114454719B CN202011135265.4A CN202011135265A CN114454719B CN 114454719 B CN114454719 B CN 114454719B CN 202011135265 A CN202011135265 A CN 202011135265A CN 114454719 B CN114454719 B CN 114454719B
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- 238000004590 computer program Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 description 7
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Sustainable Energy (AREA)
- Transportation (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The disclosure relates to a vehicle control method and device, a medium, equipment and a vehicle. The method comprises the following steps: if a relay disconnection instruction sent by the HCU in response to a power-down signal sent by the BCM is received, the relay of the power battery is controlled to be disconnected; performing adhesion detection on a relay of the power battery; if a power-on instruction sent by the BCM is received in the process of carrying out adhesion detection on the relay of the power battery, stopping the current adhesion detection and executing a power-on initialization flow. Thus, one unnecessary adhesion detection is omitted, the delay of the power-on time caused by executing the two adhesion detection is avoided, and the power-on efficiency of the vehicle is improved.
Description
Technical Field
The disclosure relates to the technical field of vehicle control, and in particular relates to a vehicle control method and device, medium, equipment and a vehicle.
Background
At present, the phenomenon of energy shortage is increasingly obvious, and the new energy automobile industry is vigorously developed. The new energy automobile is additionally provided with a power-on and power-off function, and when the automobile is powered on, the driving component is controlled to enter a working mode through a preset control strategy. With the development of the intelligent of new energy automobiles, a plurality of types of power-on and power-off processes are added, and how to process the interaction between various power-on and power-off processes becomes a problem to be considered by engineers.
When a user operates a vehicle, the user often changes his or her own operation intention, for example, when the user may change his or her own operation intention to request the vehicle to power down during the power-up process, and similarly, the user may also change his or her own operation intention to request the vehicle to power up again during the power-down process.
Disclosure of Invention
The purpose of the present disclosure is to provide a reliable and efficient vehicle control method and device, medium, device, and vehicle.
In order to achieve the above object, the present disclosure provides a vehicle control method including:
if a relay disconnection instruction sent by the HCU in response to a power-down signal sent by the BCM is received, the relay of the power battery is controlled to be disconnected;
Performing adhesion detection on a relay of the power battery;
if a power-on instruction sent by the BCM is received in the process of carrying out adhesion detection on the relay of the power battery, stopping the current adhesion detection and executing a power-on initialization flow.
Optionally, after the relay controlling the power battery is opened, the method further comprises:
And sending the state of a relay of the power battery to the HCU.
Optionally, after the adhesion detection of the relay of the power battery, the method further comprises:
and if the adhesion detection result indicates that adhesion is not caused, executing a current down process.
Optionally, after the adhesion detection of the relay of the power battery, the method further comprises:
And if the adhesion detection result indicates adhesion, sending a fault signal to an output module of the vehicle so that the output module outputs a fault message.
The present disclosure also provides a vehicle control apparatus including:
The first control module is used for controlling the relay of the power battery to be disconnected if a relay disconnection instruction sent by the HCU in response to a power-down signal sent by the BCM is received;
the detection module is used for carrying out adhesion detection on the relay of the power battery;
And the second control module is used for stopping the current adhesion detection and executing a power-on initialization flow if a power-on instruction sent by the BCM is received in the adhesion detection process of the relay of the power battery.
Optionally, the apparatus further comprises:
And the first sending module is used for sending the state of the relay of the power battery to the HCU.
Optionally, the apparatus further comprises:
The third control module is used for executing a current down process if the adhesion detection result indicates that adhesion is not caused;
And the second sending module is used for sending a fault signal to an output module of the vehicle if the adhesion detection result indicates adhesion so as to enable the output module to output a fault message.
The present disclosure also provides a computer readable storage medium having stored thereon a computer program which when executed by a processor implements the steps of the above-described method provided by the present disclosure.
The present disclosure also provides an electronic device, including:
A memory having a computer program stored thereon;
a processor for executing the computer program in the memory to implement the steps of the above method provided by the present disclosure.
The disclosure also provides a vehicle, which comprises the vehicle control device provided by the disclosure.
Through the technical scheme, if the power-on instruction sent by the BCM is received in the process of performing adhesion detection on the relay of the power battery under the control of the BMS, the BMS stops the current adhesion detection and executes the initialization flow of the power-on of the BMS. Therefore, if the user changes the operation intention during the power-down process of the vehicle, and requests the vehicle to be powered up again, the relay of the power battery is stopped to perform the adhesion detection, and the adhesion detection is performed in the initialization process of the power-up of the BMS. Thus, one unnecessary adhesion detection is omitted, the delay of the power-on time caused by executing the two adhesion detection is avoided, and the power-on efficiency of the vehicle is improved.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
FIG. 1 is a flow chart of a method of controlling a vehicle provided by an exemplary embodiment;
FIG. 2 is a flowchart of a vehicle control method provided by another exemplary embodiment;
FIG. 3 is a block diagram of a vehicle control apparatus provided by an exemplary embodiment;
Fig. 4 is a block diagram of an electronic device, as shown in an exemplary embodiment.
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure. )
In the related art, a Battery management system (Battery MANAGEMENT SYSTEM, BMS) performs adhesion detection on a relay of a power Battery when a vehicle is powered down. If the user changes his own operation intention and requests the vehicle to be powered on again during the adhesion detection, the BMS needs to start to perform its power-on initialization process and perform the power-on procedure after the adhesion detection is completed. And the adhesion detection of the relay of the power battery is included in the initialization process, so that the adhesion detection of the relay of the power battery needs to be performed twice. The inventors have conceived that the BMS directly stops the current adhesion detection and performs the initialization procedure of the power-up in case that the user changes his own operation intention and requests the vehicle to be powered up again during the power-down adhesion detection. Thus, unnecessary adhesion detection is omitted once, and time is saved for re-power-on.
Fig. 1 is a flowchart of a vehicle control method provided by an exemplary embodiment. As shown in fig. 1, the method may include the following steps.
Step S101, if a relay disconnection instruction sent by a hybrid vehicle controller (Hybrid Control Unit, HCU) in response to a downlink signal sent by a vehicle body controller (Body Control Module, BCM) is received, the relay of a power battery is controlled to be disconnected;
Step S102, performing adhesion detection on a relay of a power battery;
Step S103, if a power-on instruction sent by the BCM is received in the process of carrying out adhesion detection on the relay of the power battery, stopping the current adhesion detection and executing a power-on initialization flow.
The method of the present disclosure is applied to a BMS of a hybrid vehicle. The BCM may include, for example, a controller KBCM integrated with a vehicle key and the BCM. For example, when the BCM detects a driver-triggered power down request, a KL15 OFF hard-wired signal may be sent to the various controllers of the vehicle. The HCU receives the KL15 OFF signal and then sends a relay disconnection instruction to request the BMS to disconnect the relay of the power battery. The relays of the power battery can comprise a main positive relay, a main auxiliary relay, a pre-charging relay and the like.
In the power-down flow, the BMS may perform adhesion detection on the relay of the power battery after the relay controlling the power battery is turned off. In the related art, an initialization procedure for the power-up of the BMS includes adhesion detection of the relay of the power battery.
Through the technical scheme, if the power-on instruction sent by the BCM is received in the process of performing adhesion detection on the relay of the power battery by the BMS, the BMS stops the current adhesion detection and executes the initialization flow of power-on of the BMS. Therefore, if the user changes the operation intention during the power-down process of the vehicle, and requests the vehicle to be powered up again, the relay of the power battery is stopped to perform the adhesion detection, and the adhesion detection is performed in the initialization process of the power-up of the BMS. Thus, one unnecessary adhesion detection is omitted, the delay of the power-on time caused by executing the two adhesion detection is avoided, and the power-on efficiency of the vehicle is improved.
In another embodiment, after the relay of the power battery is controlled to be opened (step S101) on the basis of fig. 1, the method may further include: the state of the relay of the power battery is sent to the HCU.
For example, the BMS may transmit different signals, which are pre-agreed, indicating different states of the relay. The state of the relay of the power battery is sent to the HCU, so that the HCU can know the state of the relay in time, and the HCU can take necessary reminding measures conveniently.
In yet another embodiment, after the adhesion detection of the relay of the power battery (step S102), the method may further include: and if the adhesion detection result indicates that adhesion is not performed, executing a current down process.
If the result of the blocking detection indicates that the relay of the power battery is not blocked, it can be confirmed that the relay of the power battery is actually opened, and at this time, the power-down flow can be safely performed. Therefore, potential safety hazards caused by the fact that a lower current process is executed under the condition that a relay of a power battery is adhered are avoided, and safety of a vehicle is enhanced.
In yet another embodiment, after the adhesion detection of the relay of the power battery (step S102), the method may further include: if the adhesion detection result indicates adhesion, a fault signal is sent to an output module of the vehicle so that the output module outputs a fault message.
If the result of the blocking detection indicates blocking, it is considered that although the BMS indicates to open the relay of the power battery, a malfunction occurs in reality and the relay is not opened yet. At the moment, the output module outputs fault information to prompt a user in time, so that measures can be taken in time, and potential safety hazards are eliminated. Outputting the fault message at the output module may include outputting a fault code or text message in a dashboard of the vehicle, or outputting a fault message such as a flashing light in a dedicated display device.
Fig. 2 is a flowchart of a vehicle control method provided by another exemplary embodiment. As shown in fig. 2, in this embodiment, when the BCM detects a driver-triggered power-down request, the BCM sends a KL15 OFF hard-wire signal to each controller; the HCU sends a relay opening instruction (for example, through a CAN bus) after receiving the KL15 OFF signal, and requests the BMS to open the relay; after the BMS receives a relay opening instruction sent by the HCU, the BMS controls the relay to be opened; the BMS feeds back the relay state to the HCU; the BMS performs relay adhesion detection; if the adhesion detection is finished and the adhesion detection indicates that the adhesion is not detected, the BMS starts to execute the power-on flow of the BMS; if the adhesion detection is finished and the adhesion detection indicates adhesion, outputting a power battery system fault message in a display screen of the vehicle; if the BMS receives the KL15 ON signal (power-ON instruction) sent by the BCM in the adhesion detection process, the BMS stops adhesion detection and starts to execute the power-ON initialization program.
The present disclosure also provides a vehicle control apparatus. Fig. 3 is a block diagram of a vehicle control apparatus provided in an exemplary embodiment. As shown in fig. 3, a vehicle control apparatus 300 may include a first control module 301, a detection module 302, and a second control module 303.
The first control module 301 is configured to control the relay of the power battery to be disconnected if a relay disconnection instruction sent by the HCU in response to a downlink signal sent by the BCM is received.
The detection module 302 is used for performing adhesion detection on the relay of the power battery.
The second control module 303 is configured to stop current adhesion detection and execute a power-on initialization procedure if a power-on instruction sent by the BCM is received during adhesion detection of the relay of the power battery.
Optionally, the vehicle control device 300 further includes a first transmission module.
The first transmission module is used for transmitting the state of the relay of the power battery to the HCU.
Optionally, the vehicle control device 300 further includes a fourth control module and a second transmission module.
And the third control module is used for executing a current down process if the adhesion detection result indicates that adhesion is not caused.
And the second sending module is used for sending a fault signal to the output module of the vehicle if the adhesion detection result indicates adhesion so as to enable the output module to output a fault message.
The specific manner in which the various modules perform the operations in the apparatus of the above embodiments have been described in detail in connection with the embodiments of the method, and will not be described in detail herein.
Through the technical scheme, if the power-on instruction sent by the BCM is received in the process of performing adhesion detection on the relay of the power battery under the control of the BMS, the BMS stops the current adhesion detection and executes the initialization flow of the power-on of the BMS. Therefore, if the user changes the operation intention during the power-down process of the vehicle, and requests the vehicle to be powered up again, the relay of the power battery is stopped to perform the adhesion detection, and the adhesion detection is performed in the initialization process of the power-up of the BMS. Thus, one unnecessary adhesion detection is omitted, the delay of the power-on time caused by executing the two adhesion detection is avoided, and the power-on efficiency of the vehicle is improved.
The present disclosure also provides an electronic device including a memory and a processor. A memory having a computer program stored thereon; the processor is configured to execute the computer program in the memory to implement the steps of the above-described method provided by the present disclosure.
Fig. 4 is a block diagram of an electronic device 400, shown in accordance with an exemplary embodiment. As shown in fig. 4, the electronic device 400 may include: a processor 401, a memory 402. The electronic device 400 may also include one or more of a multimedia component 403, an input/output (I/O) interface 404, and a communication component 405.
Wherein the processor 401 is configured to control the overall operation of the electronic device 400 to perform all or part of the steps of the vehicle control method described above. The memory 402 is used to store various types of data to support operation at the electronic device 400, which may include, for example, instructions for any application or method operating on the electronic device 400, as well as application-related data, such as contact data, transceived messages, pictures, audio, video, and the like. The Memory 402 may be implemented by any type or combination of volatile or non-volatile Memory devices, such as static random access Memory (Static Random Access Memory, SRAM for short), electrically erasable programmable Read-Only Memory (ELECTRICALLY ERASABLE PROGRAMMABLE READ-Only Memory, EEPROM for short), erasable programmable Read-Only Memory (Erasable Programmable Read-Only Memory, EPROM for short), programmable Read-Only Memory (Programmable Read-Only Memory, PROM for short), read-Only Memory (ROM for short), magnetic Memory, flash Memory, magnetic disk, or optical disk. The multimedia component 403 may include a screen and an audio component. Wherein the screen may be, for example, a touch screen, the audio component being for outputting and/or inputting audio signals. For example, the audio component may include a microphone for receiving external audio signals. The received audio signal may be further stored in the memory 402 or transmitted through the communication component 405. The audio assembly further comprises at least one speaker for outputting audio signals. The I/O interface 404 provides an interface between the processor 401 and other interface modules, which may be a keyboard, mouse, buttons, etc. These buttons may be virtual buttons or physical buttons. The communication component 405 is used for wired or wireless communication between the electronic device 400 and other devices. Wireless Communication, such as Wi-Fi, bluetooth, near Field Communication (NFC) for short, 2G, 3G, 4G, NB-IOT, eMTC, or other 5G, etc., or one or a combination of more of them, is not limited herein. The corresponding communication component 405 may thus comprise: wi-Fi module, bluetooth module, NFC module, etc.
In an exemplary embodiment, the electronic device 400 may be implemented by one or more Application-specific integrated circuits (ASICs), digital signal processors (DIGITAL SIGNAL processors, DSPs), digital signal processing devices (DIGITAL SIGNAL Processing Device, DSPDs), programmable logic devices (Programmable Logic Device, PLDs), field programmable gate arrays (Field Programmable GATE ARRAY, FPGAs), controllers, microcontrollers, microprocessors, or other electronic components for performing the above-described vehicle control methods.
In another exemplary embodiment, a computer readable storage medium comprising program instructions which, when executed by a processor, implement the steps of the vehicle control method described above is also provided. For example, the computer readable storage medium may be the memory 402 including program instructions described above, which are executable by the processor 401 of the electronic device 400 to perform the vehicle control method described above.
The disclosure also provides a vehicle, which comprises the vehicle control device provided by the disclosure.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the embodiments described above, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations are not described further in this disclosure in order to avoid unnecessary repetition.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (10)
1. A vehicle control method, characterized in that the method comprises:
If a relay disconnection instruction sent by the HCU in response to a power-down signal sent by the BCM is received, the relay of the power battery is controlled to be disconnected, and the power-down signal is used for indicating the power-down of the vehicle;
Performing adhesion detection on a relay of the power battery;
If a power-on instruction sent by the BCM is received in the process of performing adhesion detection on the relay of the power battery, stopping current adhesion detection, and executing a power-on initialization process, wherein the power-on initialization process comprises adhesion detection on the relay of the power battery, and is used for enabling the vehicle to be electrified.
2. The method of claim 1, wherein after controlling the relay of the power cell to open, the method further comprises:
And sending the state of a relay of the power battery to the HCU.
3. The method of claim 1, wherein after the adhesion detection of the relay of the power cell, the method further comprises:
and if the adhesion detection result indicates that adhesion is not caused, executing a current down process.
4. The method of claim 1, wherein after the adhesion detection of the relay of the power cell, the method further comprises:
And if the adhesion detection result indicates adhesion, sending a fault signal to an output module of the vehicle so that the output module outputs a fault message.
5. A vehicle control apparatus, characterized in that the apparatus comprises:
The first control module is used for controlling the relay of the power battery to be disconnected if a relay disconnection instruction sent by the HCU in response to a power-down signal sent by the BCM is received, wherein the power-down signal is used for indicating the power-down of the vehicle;
the detection module is used for carrying out adhesion detection on the relay of the power battery;
And the second control module is used for stopping the current adhesion detection and executing a power-on initialization process if a power-on instruction sent by the BCM is received in the adhesion detection process of the relay of the power battery, wherein the power-on initialization process comprises the adhesion detection of the relay of the power battery, and the power-on initialization process is used for enabling the vehicle to be electrified.
6. The apparatus of claim 5, wherein the apparatus further comprises:
And the first sending module is used for sending the state of the relay of the power battery to the HCU.
7. The apparatus of claim 5, wherein the apparatus further comprises:
The third control module is used for executing a current down process if the adhesion detection result indicates that adhesion is not caused;
And the second sending module is used for sending a fault signal to an output module of the vehicle if the adhesion detection result indicates adhesion so as to enable the output module to output a fault message.
8. A computer readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the steps of the method according to any one of claims 1-4.
9. An electronic device, comprising:
A memory having a computer program stored thereon;
A processor for executing the computer program in the memory to implement the steps of the method of any one of claims 1-4.
10. A vehicle characterized by comprising the vehicle control apparatus according to any one of claims 5 to 7.
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| CN202011135265.4A CN114454719B (en) | 2020-10-21 | 2020-10-21 | Vehicle control method and device, medium, equipment and vehicle |
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| CN202011135265.4A CN114454719B (en) | 2020-10-21 | 2020-10-21 | Vehicle control method and device, medium, equipment and vehicle |
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| CN114379365B (en) * | 2020-10-21 | 2024-08-30 | 长城汽车股份有限公司 | Vehicle control method and device, medium, equipment and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583287A (en) * | 2018-04-28 | 2018-09-28 | 北京新能源汽车股份有限公司 | Electric automobile high-voltage power-on and power-off control method and device and electric automobile |
| CN109421542A (en) * | 2017-08-21 | 2019-03-05 | 上海蔚来汽车有限公司 | Method for electrically under electric automobile high-voltage |
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| CN105015541B (en) * | 2014-04-28 | 2019-03-26 | 上海汽车集团股份有限公司 | The upper and lower electric control method and control device of the control system of hybrid vehicle |
| CN105988082B (en) * | 2015-02-13 | 2019-03-26 | 广州汽车集团股份有限公司 | The relay status detection method and device of electric automobile high-voltage system |
| KR20170105348A (en) * | 2016-03-09 | 2017-09-19 | 강해구 | Method and apparatus for controlling body control module of vehicle, and vehicle controll system thereof |
| CN107284244A (en) * | 2017-05-19 | 2017-10-24 | 重庆凯瑞电动汽车系统有限公司 | Electric control method under electric automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109421542A (en) * | 2017-08-21 | 2019-03-05 | 上海蔚来汽车有限公司 | Method for electrically under electric automobile high-voltage |
| CN108583287A (en) * | 2018-04-28 | 2018-09-28 | 北京新能源汽车股份有限公司 | Electric automobile high-voltage power-on and power-off control method and device and electric automobile |
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