CN115973062A - OBD vehicle-mounted pledge supervision Internet of things terminal - Google Patents
OBD vehicle-mounted pledge supervision Internet of things terminal Download PDFInfo
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- CN115973062A CN115973062A CN202211662584.XA CN202211662584A CN115973062A CN 115973062 A CN115973062 A CN 115973062A CN 202211662584 A CN202211662584 A CN 202211662584A CN 115973062 A CN115973062 A CN 115973062A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention relates to the field of automobile supervision, in particular to an OBD vehicle-mounted pledge supervision Internet of things terminal, wherein an OBD interface outputs vehicle state data; the OBD analyzer sends and receives a returned data frame from an OBD interface through automatic analysis of protocol messages of OBDII standard, extracts vehicle information and sends the vehicle information to a bus; the power supply supplies power to other modules of the pledge controller; the terminal management module processes a data stream returned by the OBD interface; the communication module is used for receiving the data stream of the terminal management module, generating a data frame and sending the data frame according to a designated address; and the safety protection module is used for encrypting the information of the communication module. The invention analyzes the basic information of the vehicle by using an OBD standard interface, develops the application based on the vehicle information by an embedded system, matches the information flow of various vehicles by an efficient algorithm, finishes the information transmission with lower power and higher efficiency by using a communication module used as required, and provides information for a user by using a specific interface of a terminal management system.
Description
Technical Field
The invention relates to the field of automobile supervision, in particular to an OBD vehicle-mounted pledge supervision Internet of things terminal.
Background
With the development of the internet of things, the automobile financial field also tries to use the internet of things terminal with the positioning function to perform vehicle pledge management and related extended services. The currently used internet of things terminal needs energy consumption management due to positioning and communication requirements, a high-density battery used by the terminal needs periodic replacement, and because the complexity of a terminal installation part and a use environment is different, a lot of difficulties are brought by terminal safety design, and meanwhile, the battery brings extra potential safety hazards and risks. The post-installation of the terminal also results in the terminal being potentially displaced, resulting in the terminal not being able to maintain strong consistency with the pledge vehicle, requiring additional algorithms and designs to ensure non-repudiation.
OBD (on-vehicle automatic diagnostic system) can provide some essential information of car such as engine information to can follow on-vehicle battery and provide the power, consequently the on-vehicle pledge of vehicle after the improvement supervises thing networking terminal, considers to use the OBD interface to provide information and power, guarantees the strong uniformity of terminal and vehicle, has promoted the installation convenience and the environmental stability at terminal by the way. And the use of OBD to develop potential functionality that is compatible with the pledge and car users makes more of a possibility.
Disclosure of Invention
The invention aims to provide an OBD vehicle-mounted pledge supervision Internet of things terminal, and aims to better supervise pledge vehicles.
In order to achieve the purpose, the invention provides an OBD vehicle-mounted pledge supervision Internet of things terminal which comprises a pledge supervisory controller and an installation structure, wherein the pledge supervisory controller is installed in the installation structure and comprises an OBD interface, an OBD parser, a power supply, a communication module, a safety protection module and a terminal management module, the power supply is connected with the communication module, the terminal management module is connected with the communication module, the OBD parser is connected with the terminal management module and the power supply, the OBD interface is connected with the OBD parser, and the safety protection module is connected with the communication module;
the OBD interface is used for outputting vehicle state data;
the OBD analyzer is used for sending and receiving a returned data frame automatically analyzed by a protocol message of an OBDII standard from an OBD interface, extracting vehicle information and sending the vehicle information to a bus;
the power supply is used for supplying power to other modules of the warranty supervision controller;
the terminal management module is used for processing the data stream returned by the OBD interface, performing function adaptation according to vehicle type information of different manufacturers, and initiating other query commands to the OBD interface management module according to the state after adaptation;
the communication module is used for receiving the data stream of the terminal management module, generating a data frame and sending the data frame according to a designated address;
and the safety protection module is used for encrypting the information of the communication module.
The communication module can be awakened and silenced and dormant on time as required, and can be compatible with an SIM (subscriber identity module) or an eSIM mode.
The safety protection module is also used for filtering and shielding external access information.
The pledge monitoring controller further comprises a storage module, wherein the storage module is used for writing vehicle verification information in, so that the information in the storage module is consistent with the inside of the pledge management system.
The pledge monitoring controller also comprises a positioning module, wherein the positioning module is used for sending position information according to needs or on time; when inactive, the positioning module should be in sleep mode.
Wherein, mounting structure includes base, apron, heat dissipation frame, heat radiation structure and dismantles the alarm, the apron with base sliding connection, and be located one side of base, heat dissipation frame with base fixed connection, and be located in the base, heat radiation structure with heat dissipation frame fixed connection, and be located on the heat dissipation frame, it sets up to dismantle the alarm the base is close to one side of apron.
The heat dissipation structure comprises a plurality of heat conduction plates and a heat exchanger, wherein the heat conduction plates are fixedly connected with the heat dissipation frame and are located at the bottom of the heat dissipation frame, the heat dissipation fans are arranged on one sides of the heat conduction plates, and the heat exchanger is fixedly connected with the base and is located on one side of the base.
Wherein, dismantle the alarm and include magnet, magnetic force inductor and alarm controller, magnet with apron fixed connection, and be located one side of apron, magnet with base fixed connection, and be located one side of magnet, alarm controller with the magnetic force inductor is connected.
The disassembly alarm further comprises a buffer, and the buffer is connected with the magnetic sensor.
According to the OBD vehicle-mounted pledge monitoring Internet of things terminal, the OBD interface is used for outputting vehicle state data; the OBD analyzer is used for sending and receiving a returned data frame through automatic analysis of a protocol message of an OBDII standard from an OBD interface, extracting vehicle information and sending the vehicle information to a bus; the power supply is used for supplying power to other modules of the warranty supervision controller; the terminal management module is used for processing the data stream returned by the OBD interface, performing function adaptation according to vehicle type information of different manufacturers, and initiating other query commands to the OBD interface management module according to the state after adaptation; the communication module is used for receiving the data stream of the terminal management module, generating a data frame and sending the data frame according to a designated address; and the safety protection module is used for encrypting the information of the communication module. The invention analyzes the basic information of the vehicle by using an OBD standard interface, develops the application based on the vehicle information by an embedded system, matches the information flow of various vehicles by an efficient algorithm, finishes the information transmission with lower power and higher efficiency by using a communication module used as required, and provides information for a user by using a specific interface of a terminal management system. The vehicle-mounted pledge supervision Internet of things terminal of the OBD can be miniaturized by optimizing a hardware structure and a software system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a structure diagram of an OBD vehicle-mounted pledge supervision internet of things terminal according to a first embodiment of the present invention.
Fig. 2 is a structure diagram of an OBD vehicle-mounted pledge supervision internet of things terminal according to a second embodiment of the present invention.
Fig. 3 is a structural diagram of an OBD vehicle-mounted pledge monitoring internet of things terminal with a cover plate removed according to a third embodiment of the present invention.
Fig. 4 is a rear side structural view of an OBD vehicle-mounted pledge monitoring internet of things terminal with a cover plate removed according to a third embodiment of the present invention.
Fig. 5 is a transverse cross-sectional view of an OBD vehicle-mounted pledge regulatory internet of things terminal according to a third embodiment of the present invention.
Fig. 6 is a longitudinal sectional view of an OBD vehicle-mounted pledge regulatory internet of things terminal according to a third embodiment of the present invention.
101-pledge supervisory controller, 102-mounting structure, 103-OBD interface, 104-OBD resolver, 105-power supply, 106-communication module, 107-safety protection module, 108-terminal management module, 201-storage module, 202-positioning module, 301-base, 302-cover plate, 303-heat dissipation frame, 304-heat dissipation structure, 305-disassembly alarm, 306-heat dissipation fan, 307-heat conduction plate, 308-heat exchanger, 309-magnet, 310-magnetic sensor, 311-cutting alarm line, 312-alarm controller, 313-buffer, 314-electric energy alarm, 315-voltage detection unit, 316-alarm information sending unit and 317-backup battery.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.
First embodiment
Referring to fig. 1, fig. 1 is a structure diagram of an OBD vehicle-mounted pledge monitoring internet of things terminal according to a first embodiment of the present invention. The invention provides an OBD vehicle pledge supervision Internet of things terminal: the system comprises a pledge monitoring controller 101 and a mounting structure 102, wherein the pledge monitoring controller 101 is mounted in the mounting structure 102, the pledge monitoring controller 101 comprises an OBD interface 103, an OBD resolver 104, a power supply 105, a communication module 106, a safety protection module 107 and a terminal management module 108, the power supply 105 is connected with the communication module 106, the terminal management module 108 is connected with the communication module 106, the OBD resolver 104 is connected with the terminal management module 108 and the power supply 105, the OBD interface 103 is connected with the OBD resolver 104, and the safety protection module 107 is connected with the communication module 106;
the OBD interface 103 is used for outputting vehicle state data;
the OBD parser 104 is configured to send and receive a data frame returned by automatic parsing of a protocol packet in the OBDII standard from the OBD interface 103, extract vehicle information, and send the vehicle information to the bus;
the power supply 105 is used for supplying power to other modules of the warranty supervision controller 101;
the terminal management module 108 is configured to process a data stream returned by the OBD interface 103, perform function adaptation according to vehicle type information of different manufacturers, and initiate other query commands to the OBD interface 103 management module according to an adapted state;
the communication module 106 is configured to receive the data stream of the terminal management module 108, generate a data frame, and send the data frame according to a designated address;
the security module 107 is configured to encrypt the information of the communication module 106.
The communication module 106 can wake up and quiet and sleep on time as needed, and can be compatible with SIM or eSIM modes.
The security module 107 is further configured to filter and shield external access information.
In this embodiment, the 16 th pin of the OBD interface 103 supplies power to the terminal, and the power supply 105 management group supplies power to each module in the terminal 105; meanwhile, the power supply 105 management module detects the capacity of the vehicle-mounted storage battery through a 16 th pin, and the calculation mode is voltage reduction amplitude calculation and an estimation method after mass test optimization; the frequency of the detection voltage is dynamically adjusted according to the capacity of the storage battery, the detection frequency is low when the capacity of the storage battery is high, and the linear reduction process of the capacity of the storage battery is increased according to a set gradient value; the purpose of detecting the low voltage is to give an early warning and ensure the safety of the storage unit; after the OBD interface 103 is used, the hardware structure of the battery part is adjusted, including space complexity, environment adaptability device, safety protection device can be optimized. The OBD analyzer 104 can send and receive protocol messages of OBDII standard, can automatically analyze returned data frames, extract vehicle information and send the vehicle information to the bus, the content of the command frame sent by the OBD analyzer 104 can be specified by the terminal management module 108, and is not limited to reading version information BEH, and the OBD interface 103 feeds back information to an upper layer when an opposite end has no return frame; the OBD interface 103 can disconnect within 5 seconds of returning the result.
The terminal management module 108 can process the data stream returned by the OBD interface 103, perform automatic function adaptation according to vehicle type information of different manufacturers, and initiate other query commands to the OBD interface 103 management module according to the adapted state; meanwhile, differentiated network management return channels are formulated according to different manufacturer vehicle types, and the differentiated network management return channels comprise selection of communication addresses, return information frequency, encryption requirements and the like which are not limited to a terminal management system.
The communication module 106 can receive the data stream of the management module, generate a data frame and send the data frame according to a specified address; the communication module 106 can wake up and quiet and sleep on time as needed; the communication module 106 can be compatible with SIM or eSIM modes; the communication module 106 should not define an operator.
The security module encrypts the information of the communication module 106, and filters and shields the external access information, and the security module prevents the communication access outside the white list.
The invention analyzes the basic information of the vehicle by using an OBD standard interface, develops the application based on the vehicle information by an embedded system, matches the information flow of various vehicles by an efficient algorithm, finishes the information transmission with lower power and higher efficiency by using a communication module 106 used as required, and provides information for a user by using a specific interface of a terminal management system. The vehicle-mounted pledge supervision Internet of things terminal of the OBD can be miniaturized by optimizing a hardware structure and a software system.
Second embodiment
Referring to fig. 2, fig. 2 is a structure diagram of an OBD vehicle-mounted pledge monitoring internet of things terminal according to a second embodiment of the present invention. The invention also provides an OBD vehicle-mounted pledge supervision Internet of things terminal, wherein the pledge supervision controller 101 further comprises a storage module 201, and vehicle verification information can be written in as required, so that the information in the storage module 201 is consistent with the inside of a pledge management system; the storage module 201 can send the vehicle information to the terminal management module 108 for collation; the storage module 201 can set a write protection mechanism to prevent malicious modification of information.
The pledge monitoring controller 101 further comprises a positioning module 202, wherein the positioning module 202 is used for sending position information according to needs or on time; while inactive, the positioning module 202 should be in a sleep mode.
In this embodiment, the storage module 201 can write vehicle verification information as needed, so as to ensure that the information in the storage module 201 is consistent with the inside of the pledge management system; the storage module 201 can send the vehicle information to the management module for collation; the storage module 201 can set a write protection mechanism to prevent malicious modification of information.
The positioning module 202 can support a dual mode of GPS and Beidou; the positioning module 202 can send the position information as required or on time; while inactive, the positioning module 202 should be in a sleep mode, which should set the wake-up condition.
Third embodiment
Referring to fig. 3 to 6, fig. 3 is a structural diagram of an OBD vehicle-mounted pledge monitoring internet of things terminal with a removed cover plate according to a third embodiment of the present invention. Fig. 4 is a rear side structural view of an OBD vehicle-mounted pledge monitoring internet of things terminal with a cover plate removed according to a third embodiment of the present invention. Fig. 5 is a transverse cross-sectional view of an OBD vehicle-mounted pledge regulatory internet of things terminal according to a third embodiment of the present invention. Fig. 6 is a longitudinal sectional view of an OBD vehicle-mounted pledge regulatory internet of things terminal according to a third embodiment of the present invention.
The invention also provides an OBD vehicle-mounted pledge monitoring Internet of things terminal, wherein the mounting structure 102 comprises a base 301, a cover plate 302, a heat dissipation frame 303, a heat dissipation structure 304 and a disassembly alarm 305, the heat dissipation structure 304 comprises a heat dissipation fan 306, a plurality of heat conduction plates 307 and a heat exchanger 308, the disassembly alarm 305 comprises a magnet 309, a magnetic sensor 310, a cutting alarm line 311 and an alarm controller 312, and the disassembly alarm 305 further comprises a buffer 313.
In this embodiment, the cover plate 302 is slidably connected to the base 301 and is located on one side of the base 301, the heat dissipation frame 303 is fixedly connected to the base 301 and is located in the base 301, the heat dissipation structure 304 is fixedly connected to the heat dissipation frame 303 and is located on the heat dissipation frame 303, and the detachment alarm 305 is disposed on one side of the base 301 close to the cover plate 302. The base 301 can be installed on the chassis of car, then through the apron 302 can be right the base 301 seals, install on the heat dissipation frame 303 matter escort supervisory controller 101, through heat radiation structure 304 can be to place on the heat dissipation frame 303 matter escort supervisory controller 101 dispels the heat to can prevent to damage because of the high temperature.
The heat conducting plates 307 are fixedly connected with the heat dissipation frame 303 and located at the bottom of the heat dissipation frame 303, the heat dissipation fan 306 is disposed at one side of the heat conducting plates 307, and the heat exchanger 308 is fixedly connected with the base 301 and located at one side of the base 301. The heat conducting plate 307 is made of a high thermal conductivity material, and can conduct heat away from the heat dissipation frame 303 and the pledge controller 101, and then perform air circulation through the heat dissipation fan 306 to take away heat from the surface of the heat conducting plate 307, and the heated air performs heat absorption through the heat exchanger 308, and the heat exchanger 308 can adopt a water cooling type, so that water flows continuously inside and outside the base 301 to perform heat conduction.
The magnet 309 is fixedly connected with the cover plate 302 and located at one side of the cover plate 302, the magnet 309 is fixedly connected with the base 301 and located at one side of the magnet 309, and the alarm controller 312 is connected with the magnetic sensor 310. When the cover plate 302 is detached privately by a user, the magnetic sensor 310 senses that the magnetic force changes, so that an alarm message can be sent to inform a supervisor of the change
The buffer 313 is connected to the magnetic sensor 310. When there is no wireless communication signal, the buffer 313 may buffer the signal that failed to be transmitted, and transmit the signal again when the signal is available.
The cutting alarm line 311 is disposed in the base 301 and connected to the alarm controller 312. When the user wants to detach the cutting tool by violence, the cutting alarm line 311 is cut off, so that the detection circuit is broken, and an alarm signal can be sent for processing.
The mounting structure 102 further comprises an electric energy alarm 314, the electric energy alarm 314 comprises a voltage detection unit 315, an alarm information sending unit 316 and a standby battery 317, the voltage detection unit 315 is used for detecting the power supply voltage, the alarm information sending unit 316 is used for sending alarm information when the power supply voltage is lower than a preset value, and the standby battery 317 is used for supplying power to the whole device when the power supply voltage is lower than the preset value.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
- An OBD vehicle-mounted pledge supervision Internet of things terminal is characterized in that,the system comprises a pledge supervisory controller and a mounting structure, wherein the pledge supervisory controller is mounted in the mounting structure and comprises an OBD interface, an OBD analyzer, a power supply, a communication module, a safety protection module and a terminal management module, the power supply is connected with the communication module, the terminal management module is connected with the communication module, the OBD analyzer is connected with the terminal management module and the power supply, the OBD interface is connected with the OBD analyzer, and the safety protection module is connected with the communication module;the OBD interface is used for outputting vehicle state data;the OBD analyzer is used for sending and receiving a returned data frame automatically analyzed by a protocol message of an OBDII standard from an OBD interface, extracting vehicle information and sending the vehicle information to a bus;the power supply is used for supplying power to other modules of the warranty supervision controller;the terminal management module is used for processing the data stream returned by the OBD interface, performing function adaptation according to vehicle type information of different manufacturers, and initiating other query commands to the OBD interface management module according to the state after adaptation;the communication module is used for receiving the data stream of the terminal management module, generating a data frame and sending the data frame according to a designated address;and the safety protection module is used for encrypting the information of the communication module.
- 2. The OBD vehicle-mounted pledge regulatory Internet of things terminal of claim 1,the communication module can be awakened and silenced and dormant on time as required, and can be compatible with an SIM or eSIM mode.
- 3. The OBD vehicle-mounted pledge supervision Internet of things terminal of claim 2,the safety protection module is also used for filtering and shielding external access information.
- 4. The OBD vehicle-mounted pledge regulatory Internet of things terminal of claim 3,the pledge monitoring controller further comprises a storage module, and the storage module is used for writing vehicle verification information in so that the information in the storage module is consistent with the inside of the pledge management system.
- 5. The OBD vehicle-mounted pledge regulatory Internet of things terminal of claim 4,the pledge monitoring controller also comprises a positioning module, and the positioning module is used for sending position information according to needs or on time; when inactive, the positioning module should be in sleep mode.
- 6. The OBD vehicle-mounted pledge supervision Internet of things terminal of claim 5,the mounting structure comprises a base, an apron, a heat dissipation frame, a heat dissipation structure and a disassembly alarm, wherein the apron is connected with the base in a sliding mode and located on one side of the base, the heat dissipation frame is fixedly connected with the base and located in the base, the heat dissipation structure is fixedly connected with the heat dissipation frame and located on the heat dissipation frame, and the disassembly alarm is arranged on one side, close to the apron, of the base.
- 7. The OBD vehicle-mounted pledge supervision Internet of things terminal of claim 6,the heat radiation structure comprises a heat radiation fan, a plurality of heat conduction plates and a heat exchanger, wherein the heat conduction plates are fixedly connected with the heat radiation frame and are positioned at the bottom of the heat radiation frame, the heat radiation fan is arranged on one side of the heat conduction plates in a plurality, and the heat exchanger is fixedly connected with the base and is positioned on one side of the base.
- 8. The OBD vehicle-mounted pledge regulatory Internet of things terminal of claim 7,dismantle the alarm and include magnet, magnetic force inductor and alarm controller, magnet with apron fixed connection, and be located one side of apron, magnet with base fixed connection, and be located one side of magnet, alarm controller with the magnetic force inductor is connected.
- 9. The OBD vehicle-mounted pledge regulatory Internet of things terminal of claim 8,the disassembly alarm further comprises a buffer which is connected with the magnetic sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211662584.XA CN115973062A (en) | 2022-12-23 | 2022-12-23 | OBD vehicle-mounted pledge supervision Internet of things terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211662584.XA CN115973062A (en) | 2022-12-23 | 2022-12-23 | OBD vehicle-mounted pledge supervision Internet of things terminal |
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| CN115973062A true CN115973062A (en) | 2023-04-18 |
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