CN111585857B - Vehicle unclosed power utilization equipment reminding method based on T-BOX system - Google Patents

Vehicle unclosed power utilization equipment reminding method based on T-BOX system Download PDF

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Publication number
CN111585857B
CN111585857B CN202010240463.0A CN202010240463A CN111585857B CN 111585857 B CN111585857 B CN 111585857B CN 202010240463 A CN202010240463 A CN 202010240463A CN 111585857 B CN111585857 B CN 111585857B
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Prior art keywords
box system
electric equipment
vehicle
bus controller
data
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CN111585857A (en
Inventor
王恒华
赵宇
黄玉芬
贺磊
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Huizhou Desay SV Automotive Co Ltd
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Huizhou Desay SV Automotive Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L12/40006Architecture of a communication node
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00Registering or indicating the working of vehicles
    • G07C5/08Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0841Registering performance data
    • G07C5/085Registering performance data using electronic data carriers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L12/40006Architecture of a communication node
    • H04L12/40039Details regarding the setting of the power status of a node according to activity on the bus
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements, protocols or services for addressing or naming
    • H04L61/50Address allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L2012/40208Bus networks characterized by the use of a particular bus standard
    • H04L2012/40215Controller Area Network CAN
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L2012/40267Bus for use in transportation systems
    • H04L2012/40273Bus for use in transportation systems the transportation system being a vehicle
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2101/00Indexing scheme associated with group H04L61/00
    • H04L2101/60Types of network addresses
    • H04L2101/618Details of network addresses
    • H04L2101/627Controller area network [CAN] identifiers

Abstract

The invention relates to a method for reminding a vehicle of not closing electric equipment based on a T-BOX system, which comprises the following steps: the bus controller of the vehicle body acquires the unique address code of each electric device in a fixed period and performs spreading processing on the unique address code to form a spreading code containing spreading data; giving a specific value to the extension data to record the current use state of the electric equipment; sending the assigned spreading code to a T-BOX system to complete data storage updating; when the T-BOX system acquires a parking shutdown instruction issued by a vehicle body bus controller, the T-BOX system analyzes the current use state of the electric equipment according to the latest spreading code and feeds back the current use state to a driver. The method has the advantages of simple and stable detection process, high detection efficiency, accurate detection result and small error, and most importantly, no additional diagnosis circuit is needed, no additional electric energy loss is caused to the battery, and the detection cost is favorably reduced.

Description

Vehicle unclosed power utilization equipment reminding method based on T-BOX system
Technical Field
The invention relates to the technical field of automobile control, in particular to a method and a system for reminding whether a vehicle-mounted electric device is not turned off based on a T-BOX system.
Background
In modern society, the popularity of automobiles is higher and higher, and more people own the automobiles. The automobile provides a lot of convenience for our life as the tool of riding instead of walk, but also has a lot of drivers to appear in the use car in-process and forget to close the car light after flame-out, forget to close the skylight, forget to close the door window, forget to close the trunk or forget to lock the trunk etc. forget to close the power consumption equipment in the vehicle can produce continuous loss to the car battery, probably leads to the vehicle can't normally ignite the start, still can arouse unnecessary property loss owing to the rainwater erodees even.
At present, for unclosed electric equipment after an automobile is flamed out, a detection circuit and an image acquisition mode are mostly adopted to form a diagnosis circuit so as to realize real-time detection of the unclosed electric equipment and timely remind a driver of the detected unclosed electric equipment through a wireless communication mode. The detection method is realized on the basis of a diagnosis circuit consisting of a detection circuit and an image acquisition circuit, so that after the vehicle is shut down, the continuous operation of the diagnosis circuit still causes electric energy loss to the automobile battery, and the standby time of the battery is further reduced. In addition, the existing diagnosis circuit cannot identify the use states of all vehicle-mounted electric equipment, the detection omission phenomenon exists, the whole detection process is extremely easily influenced by environmental factors such as temperature and humidity, the detection error can drift along with the aging of the environmental factors and the electric equipment, and the detection stability and accuracy are not high.
In view of the defects of the existing diagnosis circuit, the invention provides the vehicle non-closed electric equipment reminding method based on the T-BOX system, the method can detect the use state of each electric equipment in the vehicle after the vehicle is flamed out by acquiring the bus information of the vehicle body, an additional detection circuit and an image acquisition circuit are not needed, the detection process is relatively stable, and the detection precision is higher.
Disclosure of Invention
The invention provides a method for reminding the electric equipment which is not closed by a vehicle based on a T-BOX system (Telematics BOX), which is based on a vehicle body bus controller, a mobile phone APP and the T-BOX system, wherein the T-BOX system is respectively in communication connection with the mobile phone APP and the vehicle body bus controller, the vehicle body bus controller is in communication connection with each electric equipment in the vehicle, and a data storage module and a data processing module are arranged in the T-BOX system; the method comprises the following steps:
the bus controller of the vehicle body acquires the unique address code of each electric device in a fixed period and performs spreading processing on the unique address code to form a spreading code containing spreading data;
giving a specific value to the extension data to record the current use state of the electric equipment;
sending the assigned spreading code to a T-BOX system to complete data storage updating;
when the T-BOX system acquires a parking shutdown instruction issued by a vehicle body bus controller, the T-BOX system analyzes the current use state of the electric equipment according to the latest spreading code and feeds back the current use state to a driver.
Further, the vehicle body bus controller acquires the unique address code of each electric device in a fixed cycle, and performs spreading processing on the unique address code to form a spreading code containing spread data, including:
the vehicle body bus controller acquires a unique address code of each electric device in a fixed period, wherein the unique address code consists of 8-bit information data;
8-bit spread data is added to the unique address code, and the 8-bit spread data is placed in front of the 8-bit information data to form a 16-bit spreading code.
Further, the step of assigning a specific value to the extension data to record the current use state of the electric device includes:
acquiring the current use state of the electric equipment;
judging whether the current use state of the electric equipment is an open state or not, and if so, assigning the 8-bit extended data to 00000001; otherwise, 8-bit extension data is assigned 00000000.
Further, when the T-BOX system obtains a parking shutdown instruction issued by the vehicle body bus controller, the T-BOX system analyzes the current use state of the electric equipment according to the latest spreading code, and feeds back the current use state to the driver, including:
acquiring a flameout instruction input from the outside;
the vehicle body bus controller issues a parking shutdown instruction to each electric device and the T-BOX system according to the flameout instruction;
when the T-BOX system acquires a parking shutdown instruction, extracting the latest spreading code of each electric device;
analyzing the spread data from the latest spreading code;
and the T-BOX system analyzes the current use state of the electric equipment according to the assignment of the expanded data and feeds back the current use state to the driver.
Further, the T-BOX system analyzes the current use state of the electric equipment according to the assignment of the expanded data, and feeds back the current use state to the driver, and the T-BOX system comprises the following steps:
judging whether the assignment of the extension data is 00000001, if so, setting the current use state of the electric equipment to be an open state; otherwise, the current use state of the electric equipment is a closing state;
and the T-BOX system feeds back the current use state of each electric device to the driver through the mobile phone APP.
Further, the T-BOX system displays prompt information or broadcasts prompt voice through a mobile phone APP so as to complete feedback.
Further, after the T-BOX system analyzes the current usage state of the electric equipment according to the latest spreading code and performs a feedback step to the driver, the T-BOX system further includes a re-closing step, and the re-closing step includes:
when the T-BOX system feeds back the existence of the power utilization equipment which is not closed in the vehicle to the driver, the driver directly closes the power utilization equipment which is not closed again;
the T-BOX system reacquires the spreading codes of the electric equipment, reanalyzes the current use states of the electric equipment and feeds back the spreading codes to the driver again;
the T-BOX system enters a sleep state.
Further, the electric equipment comprises at least one of a car lamp, a car door lock unit, a skylight lock unit, a trunk lock unit and a car window lock unit.
Further, the fixed period is 1 time/s or 2 times/s.
A vehicle-mounted electric equipment unclosed reminding system is based on the vehicle unclosed electric equipment reminding method based on the T-BOX system, and comprises a vehicle body bus controller, a mobile phone APP and the T-BOX system, wherein the T-BOX system is respectively in communication connection with the mobile phone APP and the vehicle body bus controller; the vehicle body bus controller is connected with a plurality of in-vehicle electric equipment through a CAN bus, and is used for acquiring the unique address code of each electric equipment, expanding and assigning the unique address code and then sending the unique address code to the T-BOX system; the T-BOX system is provided with a data storage module and a data processing module, the data storage module is used for storing the spreading codes sent by the vehicle body bus controller, and the data processing module is used for analyzing the spreading codes, judging the current use state of each electric device and feeding back the spreading codes to a driver through a mobile phone APP.
The invention has the following beneficial technical effects:
compared with the prior art, the invention discloses a method for reminding the electric equipment which is not closed by a vehicle based on a T-BOX system, which collects the unique address code of each electric equipment through a vehicle body bus, expands and assigns the unique address code, and codes the use state information of the electric equipment into a spreading code, so that the T-BOX system can accurately know whether each electric equipment is in a closed state or an open state by analyzing the assignment of the spreading code and analyzing the assignment of the spreading data, thereby reminding a driver in time, improving the bad operation habit of the driver and helping the driver to improve the safety consciousness. The method has the advantages of simple and stable detection process, high detection efficiency, accurate detection result and small error, and most importantly, no additional diagnosis circuit is needed, no additional electric energy loss is caused to the battery, and the detection cost is favorably reduced.
Drawings
Fig. 1 is a schematic flow chart of a method for reminding a user of not turning off an electric device of a vehicle based on a T-BOX system in embodiment 1.
Fig. 2 is a flow chart of the T-BOX system analyzing the current usage state of the electric devices according to the latest spreading codes in embodiment 1.
Fig. 3 is a schematic connection relationship diagram of the on-vehicle electrical equipment non-closing reminding system in embodiment 1.
Reference numerals:
the system comprises a body bus controller, a 2-mobile phone APP, a 3-T-BOX system, 4-electric equipment, 5-data storage module and 6-data processing module.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand for those skilled in the art and will therefore make the scope of the invention more clearly defined.
Example 1:
the embodiment provides a vehicle unclosed electrical equipment reminding method based on a T-BOX system, which is based on a vehicle body bus controller 1, a mobile phone APP2 and a T-BOX system 3, wherein the T-BOX system 3 is respectively in communication connection with a mobile phone APP2 and the vehicle body bus controller 1. The vehicle body bus controller 1 is in communication connection with each electric device 4 in the vehicle, and the electric device 4 comprises at least one of a vehicle lamp, a vehicle door lock unit, a skylight lock unit, a trunk lock unit, a vehicle window lock unit and a vehicle head cover lock unit. And a data storage module 5 and a data processing module 6 are provided in the T-BOX system 3. In this embodiment, the data storage module 5 is an emmc (embedded Multi Media card) disposed in the T-BOX system, and the data Processing module 6 is a CPU (Central Processing Unit) disposed in the T-BOX system.
Specifically, in this embodiment, the communication connection between the T-BOX system 3 and the mobile phone APP2 may be a bluetooth communication technology, a public key encryption technology, a global system for mobile communications, a technology, a radio frequency identification technology, or the like, and any method that can achieve information transmission between the T-BOX system 3 and the mobile phone APP2 may be applied to this technical solution, and is not limited specifically here.
As shown in fig. 1, a method for reminding a vehicle not to turn off an electric device based on a T-BOX system includes the following steps:
101. the vehicle body bus controller 1 acquires the unique address code of each electric device 4 at a fixed cycle, and performs spreading processing on the unique address code to form a spreading code containing spread data.
In this embodiment, the fixed period for the vehicle body bus controller 1 to acquire the unique address code of each electric device 4 is 1 time/s or 2 times/s, preferably 1 time/s. That is, the vehicle body bus Controller 1 acquires the unique address code of each electric device 4 through a CAN bus (Controller Area Network) at a fixed cycle of 1 time/s, and the unique address code is composed of 8 bits of information data. Then the body bus controller 1 adds 8 bits of spread data to the acquired unique address code and places the 8 bits of spread data in front of the 8 bits of information data, thereby forming a 16-bit spread code. That is, the first 8 bits of the 16-bit spreading code are spread data, and the last 8 bits are information data.
102. And giving a specific value to the extension data so as to record the current use state of the electric equipment 4.
For the 16-bit spreading code formed in step 101, since the last 8 bits in the spreading code are information data, which represents the unique address of the electric equipment 4 and cannot be changed, only the first 8 bits of the spreading code (i.e., spreading data) can be assigned, so that the current usage state information of each electric equipment 4 is encoded into the spreading code, and digital signal transmission is realized. Specifically, first, the vehicle body bus controller 1 needs to acquire the current use state of each electrical device 4 through the CAN bus, that is, whether each electrical device 4 is in a closed state or an open state. Then the vehicle body bus controller 1 judges the current use state of each electric device 4, and if the current use state of the electric device 4 is an open state, 8-bit extended data is assigned to 00000001; if the current usage state of the consumer 4 is the off state, 8-bit extension data is assigned 00000000. That is, during the assignment, 00000001 represents the open state and 00000000 represents the closed state. To this end, the assigned spreading code includes assigned spreading data and original information data.
103. The assigned spreading code is sent to the T-BOX system 3 to complete the data storage update.
After the car body bus controller 1 finishes assignment of the spreading data, the formed and assigned spreading codes are sent to the T-BOX system 3 in time, the T-BOX system 3 stores the assigned spreading codes of the electric devices 4, and the original data is updated in time, so that the T-BOX system 3 can quickly extract the latest assigned spreading codes of the electric devices 4. At this point, the car body bus controller 1 completes the setting and transmission work of the spreading code.
104. When the T-BOX system 3 acquires a parking shutdown instruction issued by the vehicle body bus controller 1, the T-BOX system 3 analyzes the current use state of the electric equipment 4 according to the latest spreading code and feeds back the current use state to the driver.
Generally, the parking and the shutdown of the automobile are performed only by pressing an ACC OFF button by a driver to actively input a shutdown instruction to the body bus controller 1, that is, the body bus controller 1 needs to obtain an externally input shutdown instruction to perform a subsequent shutdown operation. Once the vehicle body bus controller 1 obtains an externally input flameout instruction, the vehicle body bus controller 1 firstly issues a shutdown instruction for parking to each electric device 4 and the T-BOX system 3 according to the flameout instruction. After receiving the parking shutdown instruction, each electric device 4 also sends feedback information to the vehicle body bus controller 1, and after receiving the feedback information, the vehicle body bus controller 1 delays closing of the vehicle body bus controller 1, which provides time for the T-BOX system 3 to feed back to the driver. Due to the communication feedback function of the T-BOX system 3, the T-BOX system 3 must be in the sleep state after the electrical devices and the body bus controller 1 are turned off. It is worth mentioning that, in the prior vehicle technology, the closing of the vehicle body bus controller 1 also has time delay, and the T-BOX system 3 enters the sleep state after the vehicle body bus controller 1 is closed, which provides a technical basis for the smooth implementation of the technical scheme and facilitates the popularization and application of the technical scheme. Certainly, in order to leave more operation time for the T-BOX system 3 to feed back to the driver, the closing delay of the vehicle body bus controller 1 may also be set in advance, so that the delay of the vehicle body bus controller 1 is longer, and meanwhile, the time for the T-BOX system 3 to enter the sleep mode may also be preset, so as to reserve more operation time for the feedback of the T-BOX system 3, as long as the prior art for setting the vehicle body bus controller 1 and the T-BOX system 3 can be applied to the technical solution, which is not limited herein.
Specifically, when the T-BOX system 3 acquires the parking shutdown instruction, the latest spreading codes of the electric devices 4, which are spreading codes of the electric devices 4 that are stored in the data storage module 5 most recently, are immediately extracted from the data storage module 5. As mentioned above, the latest spreading code is 16 bits, where the first 8 bits are assigned spreading data and the last 8 bits are information data. The latest spreading code is then processed by the data processing module 6 in the T-BOX system 3 to resolve the spread data contained in the latest spreading code. And finally, analyzing the current use state of the electric equipment 4 according to the specific assignment of the expanded data, and feeding back the current use state to the driver in time. In fact, the spread data is analyzed from the latest spreading code, the current use state of the electric equipment 4 is analyzed according to the spread data, the unique address code is subjected to spreading processing, a specific value is given to the spread data, and the specific value is assigned to record that the current use state of the electric equipment 4 belongs to the opposite data processing process. That is to say, in the process that the T-BOX system 3 analyzes the current use state of the electric device 4 according to the assignment of the spread data and feeds back the current use state to the driver, the spread data of the first 8 bits in the spreading code is analyzed first, and then whether the assignment of the spread data is 00000001 is judged, if yes, the current use state of the electric device 4 is in an open state; otherwise, the current usage state of the electric equipment 4 is the off state. After determining the current usage state of each electrical device 4, the T-BOX system 3 can feed back the current usage state of each electrical device 4 to the driver through the mobile phone APP2, as shown in fig. 2. In this embodiment, the T-BOX system 3 displays a prompt message or broadcasts a prompt voice through the mobile phone APP2 to complete feedback. For example, after the T-BOX system 3 is analyzed and judged, if all the electric devices 4 are turned off, the T-BOX system 3 can remind the driver of "the electric devices in the vehicle are turned off and the vehicle is locked" through the mobile phone APP 2; if the T-BOX system 3 is analyzed and judged to find that the power utilization equipment 4 which is not closed exists, the T-BOX system 3 can remind a driver of 'the existence of the power utilization equipment which is not closed in the vehicle and the requirement of closing again' through the mobile phone APP 2. In this embodiment, the specific format of the prompt message and the sound size of the prompt voice can be adjusted according to the needs of the user, and the client can also perform voice broadcast while the mobile phone APP2 displays the prompt message, which is not limited herein.
Preferably, a re-closing step is also included after step 104. Specifically, when the T-BOX system 3 feeds back to the driver that the power consumption device 4 that is not turned off exists in the vehicle, the driver may directly turn off the power consumption device 4 that is not turned off again. When the driver directly turns off the non-turned-off electric devices 4 again, the T-BOX system 3 re-acquires the spreading codes of the electric devices 4 through the body bus controller 1, and the acquisition process is similar to the above. And analyzes the newly acquired spreading codes of the electric devices 4 to newly determine the current use states of the electric devices 4, so as to perform feedback to the driver again, that is, perform secondary feedback. In this embodiment, the T-BOX system 3 reacquires the spreading codes of the electric devices 4 and analyzes and judges the reacquired spreading codes, which are all the repetition of steps 101 to 104, and the specific operation processes are similar and are not described herein again. If the power utilization equipment 4 which is not turned off still exists in the result of the secondary feedback, in order to attract the attention of the driver, the T-BOX system 3 continuously sends a plurality of pieces of same prompt information or repeatedly reports a plurality of times of prompt voice to the mobile phone APP 2. The T-BOX system 3 will then automatically go to sleep and shut down the communication function.
Example 2:
as shown in fig. 3, the present embodiment is a vehicle-mounted electrical equipment non-closing reminding system, and a vehicle non-closing electrical equipment reminding method based on the T-BOX system provided in embodiment 1 includes a vehicle body bus controller 1, a mobile phone APP2, and a T-BOX system 3. The T-BOX system 3 is respectively connected with the mobile phone APP2 and the vehicle body bus controller 1 in a communication mode. The vehicle body bus controller 1 is connected with a plurality of in-vehicle electric devices 4 through a CAN bus, and the vehicle body bus controller 1 is used for acquiring unique address codes of the electric devices 4, expanding and assigning the unique address codes and then sending the unique address codes to the T-BOX system 3. The T-BOX system 3 is provided with a data storage module 5 and a data processing module 6, the data storage module 5 is used for storing the spreading codes sent by the vehicle body bus controller 1, and the data processing module 6 is used for analyzing the spreading codes, judging the current use state of each electric device 4, and feeding back the state to the driver through a mobile phone APP 2. In the present embodiment, the data storage module 5 is an eMMC provided in the T-BOX system, and the data processing module 6 is a CPU provided in the T-BOX system.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A vehicle unclosed electric equipment reminding method based on a T-BOX system is characterized in that based on a vehicle body bus controller (1), a mobile phone APP (2) and the T-BOX system (3), the T-BOX system (3) is respectively in communication connection with the mobile phone APP (2) and the vehicle body bus controller (1), the vehicle body bus controller (1) is in communication connection with each electric equipment (4) in a vehicle, and a data storage module (5) and a data processing module (6) are arranged in the T-BOX system (3); the method comprises the following steps:
the vehicle body bus controller (1) acquires the unique address code of each electric device (4) in a fixed period, and performs spreading processing on the unique address code to form a spreading code containing spreading data;
giving a specific value to the extension data to record the current use state of the electric equipment (4);
sending the assigned spreading code to a T-BOX system (3) to complete data storage updating;
when the T-BOX system (3) acquires a parking shutdown instruction issued by the vehicle body bus controller (1), the T-BOX system (3) analyzes the current use state of the electric equipment (4) according to the latest spreading code and feeds back the current use state to a driver.
2. The T-BOX system-based vehicle non-closed electric equipment reminding method as claimed in claim 1, wherein the body bus controller (1) acquires the unique address code of each electric equipment (4) at a fixed period, and performs spreading processing on the unique address code to form a spreading code containing spread data, comprising:
the vehicle body bus controller (1) acquires a unique address code of each electric device (4) in a fixed period, wherein the unique address code consists of 8-bit information data;
8-bit spread data is added to the unique address code, and the 8-bit spread data is placed in front of the 8-bit information data to form a 16-bit spreading code.
3. The method for reminding the vehicle of not turning off the electric equipment based on the T-BOX system as claimed in claim 2, wherein the step of assigning a specific value to the extended data to record the current use state of the electric equipment (4) comprises:
acquiring the current use state of the electric equipment (4);
judging whether the current use state of the electric equipment (4) is an open state or not, and if so, assigning the 8-bit extension data to 00000001; otherwise, 8-bit extension data is assigned 00000000.
4. The method for reminding the vehicle of not turning off the electric equipment based on the T-BOX system as claimed in claim 1, wherein when the T-BOX system (3) acquires the parking shutdown instruction issued by the vehicle body bus controller (1), the T-BOX system (3) analyzes the current using state of the electric equipment (4) according to the latest spreading code and feeds back the using state to the driver, comprising the following steps:
acquiring a flameout instruction input from the outside;
the vehicle body bus controller (1) issues a parking shutdown instruction to each electric device (4) and the T-BOX system (3) according to a flameout instruction;
when the T-BOX system (3) acquires a parking shutdown instruction, extracting the latest spreading codes of all electric equipment (4);
analyzing the spread data from the latest spreading code;
and the T-BOX system (3) analyzes the current use state of the electric equipment (4) according to the assignment of the expanded data and feeds back the current use state to the driver.
5. The method for reminding the vehicle of not turning off the electric equipment based on the T-BOX system as claimed in claim 4, wherein the T-BOX system (3) analyzes the current using state of the electric equipment (4) according to the value assigned by the expanded data and feeds back the current using state to the driver, comprising the steps of:
judging whether the assignment of the extension data is 00000001, if so, setting the current use state of the electric equipment (4) to be an open state; otherwise, the current use state of the electric equipment (4) is a closed state;
the T-BOX system (3) feeds back the current use state of each electric device (4) to a driver through a mobile phone APP (2).
6. The vehicle unclosed electric equipment reminding method based on the T-BOX system as claimed in claim 5, wherein the T-BOX system (3) displays the prompt message or broadcasts the prompt voice through the mobile phone APP (2) to complete the feedback.
7. The method for reminding the vehicle of not turning off the electric equipment based on the T-BOX system as claimed in claim 1, characterized in that after the T-BOX system (3) analyzes the current using state of the electric equipment (4) according to the latest spreading code and performs the feedback step to the driver, the method further comprises the step of turning off again, and the step of turning off again comprises:
when the T-BOX system (3) feeds back the existence of the non-closed electric equipment (4) in the vehicle to the driver, the driver directly closes the non-closed electric equipment (4) again;
the T-BOX system (3) acquires the spreading codes of the electric equipment (4) again, analyzes the current using state of the electric equipment (4) again and feeds back the current using state to the driver again;
the T-BOX system (3) enters a sleep state.
8. The method for reminding the electric equipment not closed by the vehicle based on the T-BOX system as claimed in claim 1, wherein the electric equipment (4) comprises at least one of a car light, a door lock unit, a skylight lock unit, a trunk lock unit and a window lock unit.
9. The method for reminding the power consumption equipment which is not turned off of the vehicle based on the T-BOX system as claimed in claim 1, wherein the fixed period is 1 time/s or 2 times/s.
10. A vehicle-mounted electric equipment unclosed reminding system is based on any one of claims 1 to 9, and is characterized by comprising a vehicle body bus controller (1), a mobile phone APP (2) and a T-BOX system (3), wherein the T-BOX system (3) is respectively in communication connection with the mobile phone APP (2) and the vehicle body bus controller (1); the vehicle body bus controller (1) is connected with a plurality of in-vehicle electric equipment (4) through a CAN bus, and the vehicle body bus controller (1) is used for acquiring unique address codes of the electric equipment (4), expanding and assigning the unique address codes and then sending the unique address codes to the T-BOX system (3); the T-BOX system (3) is provided with a data storage module (5) and a data processing module (6), the data storage module (5) is used for storing the spreading codes sent by the vehicle body bus controller (1), and the data processing module (6) is used for analyzing the spreading codes, judging the current use state of each electric device (4) and feeding back the current use state to a driver through a mobile phone APP (2).
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