CN219085315U - Anti-disassembly system for electric automobile vehicle-mounted terminal - Google Patents
Anti-disassembly system for electric automobile vehicle-mounted terminal Download PDFInfo
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- CN219085315U CN219085315U CN202222829930.0U CN202222829930U CN219085315U CN 219085315 U CN219085315 U CN 219085315U CN 202222829930 U CN202222829930 U CN 202222829930U CN 219085315 U CN219085315 U CN 219085315U
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Abstract
The utility model discloses an anti-dismantling system of an electric automobile vehicle-mounted terminal, which is provided with a TBOX, wherein the TBOX is connected with a storage battery through a hard wire, a voltage detection unit and an alarm module are arranged in the TBOX, the monitoring end of the voltage detection unit is connected with the storage battery, the voltage detection unit is connected with and outputs a voltage detection signal to the alarm module, the alarm module is connected with an instrument through a whole automobile CAN network and sends an alarm signal to the instrument through the whole automobile CAN network, and the instrument is provided with an alarm mechanism for executing the alarm signal. According to the utility model, the vehicle-mounted terminal product is transferred to the instrument, the problem of one part and the other part are connected in series, and the two parts are skillfully bound together in a mode that the instrument can give an alarm when the vehicle-mounted terminal is dismantled. By doing so, the importance of people on the vehicle-mounted terminal can be greatly improved, and the private disassembly rate of the vehicle-mounted terminal is reduced.
Description
Technical Field
The utility model relates to the field of new energy automobile networking, in particular to a vehicle-mounted terminal disassembly technology.
Background
The real-time monitoring and the heavy duty of the whole vehicle data are carried by the vehicle-mounted terminal, and particularly when some emergency situations are encountered, the real-time recorded data of the vehicle-mounted terminal are particularly important. But sometimes the in-vehicle terminal on the vehicle is detached privately for various reasons. At this time, the vehicle loses the monitoring of the vehicle-mounted terminal, which is equivalent to losing important data. It is further thought that it becomes impossible to probe the cause of an emergency situation of a vehicle by means of the past data.
At present, a similar disassembly prevention technology is also available, for example, a patent application with a patent name of electric vehicle terminal disassembly prevention circuit, a patent publication number of CN111775865A, discloses an electric vehicle terminal disassembly prevention circuit, and the vehicle terminal is connected with the whole vehicle controller through a hard wire and is used for inputting a direct-current voltage square wave signal with a certain frequency to the whole vehicle controller. The vehicle-mounted terminal is also connected with the whole vehicle controller through a CAN bus and used for sending heartbeat messages to the whole vehicle controller. The whole vehicle controller is used for sending a high-voltage instruction to a battery management system and an all-in-one controller of the electric vehicle when the input direct-current voltage square wave signal with certain frequency is normal or the heartbeat message is received; and the system is also used for not sending a high-voltage instruction to the battery management system and the all-in-one controller when the input direct-current voltage square wave signal with certain frequency is abnormal and the heartbeat message cannot be received. The anti-dismantling circuit of the electric vehicle-mounted terminal can enable the vehicle-mounted terminal to be dismantled, when the vehicle is electrified again, the vehicle cannot be started normally, and the problems of poor reliability and untimely alarming still exist in a similar anti-dismantling technology.
Disclosure of Invention
The technical problem to be solved by the utility model is to realize an anti-disassembly system of the vehicle-mounted terminal, so that the private disassembly rate of the vehicle-mounted terminal is reduced, and the possibility of private disassembly of the vehicle is avoided more reliably.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the system is provided with a TBOX, the TBOX is connected with a storage battery through a hard wire, a voltage detection unit and an alarm module are arranged in the TBOX, a monitoring end of the voltage detection unit is connected with the storage battery, the voltage detection unit is connected with and outputs a voltage detection signal to the alarm module, the alarm module is connected with an instrument through a whole automobile CAN network and sends an alarm signal to the instrument through the whole automobile CAN network, and the instrument is provided with an alarm mechanism for executing the alarm signal.
The alarm mechanism comprises RVM indicator lights and/or a buzzer.
And a message sending unit for periodically sending messages to the instrument is arranged in the TBOX, and a message reading unit for reading message signals is arranged in the instrument.
The alarm sending unit sends a message signal to the message reading unit through the whole vehicle CAN network, and the message reading unit is connected with and communicated with the alarm mechanism.
And a communication module is arranged in the TBOX, and the communication module is communicated with the cloud platform through wireless signals.
The alarm module is connected with the communication module and sends an alarm signal to the cloud platform for communication through the communication module.
The wireless signal is a 4G or 5G signal based on the TCP/IP protocol.
According to the utility model, the vehicle-mounted terminal product is transferred to the instrument, the problem of one part and the other part are connected in series, and the two parts are skillfully bound together in a mode that the instrument can give an alarm when the vehicle-mounted terminal is dismantled. By doing so, the importance of people on the vehicle-mounted terminal can be greatly improved, and the private disassembly rate of the vehicle-mounted terminal is reduced.
Drawings
The following is a brief description of what is expressed in each of the drawings in the specification of the utility model:
fig. 1 is a schematic diagram of an anti-disassembly system of an electric vehicle-mounted terminal.
Detailed Description
The following detailed description of the embodiments of the utility model, such as the shape and construction of the components, the mutual positions and connection relationships between the components, the roles and working principles of the components, the manufacturing process and the operating and using method, etc., is provided to assist those skilled in the art in a more complete, accurate and thorough understanding of the inventive concept and technical solution of the present utility model.
The anti-dismantling system of the electric automobile vehicle-mounted terminal is convenient to monitor through multiple paths of different ways, so that the situation that no alarm is given when the electric automobile vehicle-mounted terminal is dismantled by mistake is effectively avoided, and the TBOX is reliably monitored. The TBOX is directly connected with the storage battery through a hard wire, electricity is taken from the storage battery, and a plurality of modules, a voltage detection unit, an alarm module, a message sending unit and a communication module are arranged in the TBOX.
The monitoring end of the voltage detection unit is connected with the storage battery, the voltage signal of the storage battery is acquired in real time, the monitoring mode CAN be set according to the requirement, the output end of the voltage detection unit is connected with the alarm unit, the alarm module is connected with the instrument through the whole vehicle CAN network, for example, when the vehicle-mounted terminal detects that the voltage of the storage battery is 0 in the front 3S, the vehicle-mounted terminal CAN send the pulled-out flag bit 0x01 of the vehicle-mounted terminal to the instrument through the alarm unit in a period of 100 ms. The instrument is actively awakened when receiving the marker bit, and simultaneously buzzes slowly for 30 seconds to give an alarm, and an alarm mechanism, generally RVM indicator lights and/or buzzers, are preset in the instrument. The instrument records the number of the slow buzzing times, changes the slow buzzing into the fast buzzing when the number of the slow buzzing times exceeds 60 times, lasts for 100 seconds, and prompts the word of please contact with maintenance personnel as soon as possible. When the vehicle-mounted terminal detects normal storage battery voltage, continuously sending a flag bit 0x02 for recovering the normal state of the 3S vehicle-mounted terminal to the instrument in a period of 100ms, and stopping buzzing by the instrument at the moment;
the other path of detection is a message sending unit which is also connected with the instrument through the CAN network of the whole automobile, the message sending unit CAN send periodic messages to the bus every 500ms under the condition that the communication of the network of the whole automobile is normal, a message reading unit for reading message signals is arranged in the instrument, the message reading unit always receives the periodic messages, the communication between the instrument and the vehicle-mounted terminal is normal, the vehicle-mounted terminal fails, the periodic messages CAN not be sent to the CAN bus normally, the instrument CAN not receive the messages, an instrument alarm mechanism works at the moment, and an RVM indicating lamp CAN be normally on in a yellow lamplight mode.
The third detection is to use a communication module, the communication module is communicated with a cloud platform through wireless signals, the wireless signals are 4G or 5G signals based on TCP/IP protocols, the vehicle-mounted terminal and the cloud platform are communicated through the TCP/IP protocols, the cloud is provided with a control switch which can control whether the vehicle-mounted terminal starts a plug detection mode, the vehicle-mounted terminal can detect the voltage of an automobile storage battery in real time through a voltage detection chip in the plug detection mode, so that the remote monitoring is carried out, when the cloud platform closes the plug detection mode, the vehicle-mounted terminal cannot normally send periodic messages, at the moment, an instrument RVM fault indication lamp is normally on in a yellow form, the instrument prompts an owner of what causes the fault lamp to be on in a text form, when the cloud platform opens the plug detection mode, the vehicle-mounted terminal and the storage battery are connected through a hard wire and the voltage detection chip integrated inside the vehicle-mounted terminal in real time, and the voltage detection precision reaches +/-0.1V. When the voltage of the storage battery is detected to be 0 in the first 3s, a pulled-out flag bit 0x01 of the vehicle-mounted terminal is sent to the instrument in a period of 100 ms; the instrument wakes up actively when receiving the marker bit, and buzzes slowly for 30 seconds; the instrument records the number of the slow-frequency buzzes, changes the slow-frequency buzzes into the fast-frequency buzzes when the number exceeds 60, lasts for 100 seconds, and prompts the prompt of 'please contact with maintenance personnel as soon as possible'; when the vehicle-mounted terminal detects normal storage battery voltage, the 3S vehicle-mounted terminal continuously sends a normal recovery flag bit 0x02 to the instrument in a period of 100ms, and the instrument stops buzzing at the moment.
The control method for the three-way monitoring can be designed according to the requirement, and the enumerated control logic is the conventional control logic.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified or applied directly to other applications without modification, as long as various insubstantial modifications of the method concept and technical solution of the utility model are adopted, all within the scope of the utility model.
Claims (7)
1. An electric automobile vehicle-mounted terminal anti-disassembly system, the system is equipped with TBOX, its characterized in that: the TBOX is connected with the storage battery through a hard wire, a voltage detection unit and an alarm module are arranged in the TBOX, a monitoring end of the voltage detection unit is connected with the storage battery, the voltage detection unit is connected with and outputs a voltage detection signal to the alarm module, the alarm module is connected with an instrument through a whole CAN network and sends an alarm signal to the instrument through the whole CAN network, and the instrument is provided with an alarm mechanism for executing the alarm signal.
2. The electric vehicle-mounted terminal disassembly prevention system according to claim 1, wherein: the alarm mechanism comprises RVM indicator lights and/or a buzzer.
3. The electric vehicle-mounted terminal disassembly prevention system according to claim 1 or 2, characterized in that: and a message sending unit for periodically sending messages to the instrument is arranged in the TBOX, and a message reading unit for reading message signals is arranged in the instrument.
4. The electric vehicle-mounted terminal disassembly prevention system according to claim 3, wherein: the message sending unit sends a message signal to the message reading unit through the whole vehicle CAN network, and the message reading unit is connected with and communicated with the alarm mechanism.
5. The electric vehicle-mounted terminal disassembly prevention system according to claim 1, 2 or 4, wherein: and a communication module is arranged in the TBOX, and the communication module is communicated with the cloud platform through wireless signals.
6. The disassembly prevention system of the electric vehicle-mounted terminal according to claim 5, wherein: the alarm module is connected with the communication module and sends an alarm signal to the cloud platform for communication through the communication module.
7. The disassembly prevention system of the electric vehicle-mounted terminal of claim 6, wherein: the wireless signal is a 4G or 5G signal based on the TCP/IP protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222829930.0U CN219085315U (en) | 2022-10-26 | 2022-10-26 | Anti-disassembly system for electric automobile vehicle-mounted terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222829930.0U CN219085315U (en) | 2022-10-26 | 2022-10-26 | Anti-disassembly system for electric automobile vehicle-mounted terminal |
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| Publication Number | Publication Date |
|---|---|
| CN219085315U true CN219085315U (en) | 2023-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222829930.0U Active CN219085315U (en) | 2022-10-26 | 2022-10-26 | Anti-disassembly system for electric automobile vehicle-mounted terminal |
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| Country | Link |
|---|---|
| CN (1) | CN219085315U (en) |
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2022
- 2022-10-26 CN CN202222829930.0U patent/CN219085315U/en active Active
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