CN205427606U - Vehicle OBD diagnostic data collection system - Google Patents
Vehicle OBD diagnostic data collection system Download PDFInfo
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- CN205427606U CN205427606U CN201521054810.1U CN201521054810U CN205427606U CN 205427606 U CN205427606 U CN 205427606U CN 201521054810 U CN201521054810 U CN 201521054810U CN 205427606 U CN205427606 U CN 205427606U
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Abstract
The utility model belongs to the technical field of automotive electronics, in particular to vehicle OBD diagnostic data collection system, including first interface, microprocessing unit and wireless communication unit, first interface and on -vehicle automatic diagnostic interface link to each other, first interface links to each other with microprocessing unit through CAN transceiver, outage memory cell respectively, the information that microprocessing unit sent the CAN transceiver is handled the back and is transmitted to server or mobile terminal through the wireless communication unit, the power switching over unit links to each other with the vehicle mounted power through first interface and exports suitable voltage and supply power for CAN transceiver, outage memory cell, microprocessing unit and wireless communication unit. Through setting up CAN transceiver and microprocessing unit, gather the OBD diagnostic data of vehicle to send away through the wireless communication unit, just so can be convenient look over on server or mobile terminal.
Description
Technical field
This utility model belongs to technical field of automotive electronics, particularly to a kind of vehicle OBD diagnostic data mining for vehicles system.
Background technology
Along with the development of society, automobile is more and more universal, and automobile pollution is increasing, and safe driving seems more and more important.Moment is grasped the running status of vehicle and seems extremely important for the safety traffic ensureing vehicle.Present automobile is fitted with OBD (OBD, On-BoardDiagnostic), this system can monitor the working condition of engine electric-controlled system and other functional module in car running process in real time, as noted abnormalities, then judge concrete fault according to specific algorithm, and fault message is stored on intrasystem memorizer with the form of failure code (DTC, DiagnosticTroubleCodes).Technical staff may utilize exterior terminal from OBD interface read failure code, thus understands the concrete failure condition of vehicle.Some car-mounted terminal current has and is connected with OBD interface, and read the function of vehicle OBD diagnosis data, but the OBD of vehicle can't be diagnosed data and be sent on mobile terminal by these car-mounted terminals easily, thus bring inconvenience to the OBD diagnosis data of car owner's enquiring vehicle.
Utility model content
The purpose of this utility model is to provide a kind of vehicle OBD diagnostic data mining for vehicles system,
For realizing object above, the technical solution adopted in the utility model is: a kind of vehicle OBD diagnostic data mining for vehicles system, including first interface, microprocessing unit and radio communication unit, described first interface is connected with mounted automatic diagnosis interface, first interface is connected with microprocessing unit by CAN transceiver, power-off memory element respectively, and CAN transceiver is sent after the information come processes and transmitted to server or mobile terminal by radio communication unit by microprocessing unit；Power conversion unit is connected with vehicle power by first interface and is exported suitable voltage is that CAN transceiver, power-off memory element, microprocessing unit and radio communication unit are powered.
Compared with prior art, there is techniques below effect in this utility model: by arranging CAN transceiver and microprocessing unit, the OBD collecting vehicle diagnoses data, and is sent by radio communication unit, thus can check on server or mobile terminal easily.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model；
Fig. 2 is the circuit diagram of first interface stitch；
Fig. 3 a-3e is the circuit diagram of microprocessing unit；
Fig. 4 is the circuit diagram of CAN transceiver；
Fig. 5 is powered off the circuit diagram of memory element；
Fig. 6 a, 6b are the circuit diagrams of radio communication unit；
Fig. 7 is the circuit diagram of level conversion unit；
Fig. 8 is the circuit diagram of power conversion unit；
Fig. 9 is the circuit diagram of indicator unit；
Figure 10 is the second interface pin circuit diagram；
Figure 11 is the structural representation of this device.
Detailed description of the invention
Below in conjunction with Fig. 1 to Figure 11, this utility model is described in further detail.
Refering to Fig. 1, a kind of vehicle OBD diagnostic data mining for vehicles system, including first interface 11, microprocessing unit 15 and radio communication unit 17, described first interface 11 is connected with mounted automatic diagnosis interface, first interface 11 is connected with microprocessing unit 15 by CAN transceiver 13, power-off memory element 14 respectively, and microprocessing unit 15 is transmitted to server or mobile terminal by radio communication unit 17 after the information that CAN transceiver 13 sends being processed；Power conversion unit 12 is connected by first interface 11 with vehicle power and exports suitable voltage is that CAN transceiver 13, power-off memory element 14, microprocessing unit 15 and radio communication unit 17 are powered.By arranging microprocessing unit 15 and CAN transceiver 13, then obtained the fault message of vehicle from mounted automatic diagnosis interface by first interface 11, fault message after being processed by microprocessing unit 15 sends the mobile terminal to other through radio communication unit 17, client is facilitated to check at any time, so when vehicle exists fault, client can obtain timely.
Refering to Figure 11; owing to this system needs to be plugged on the interface of diagnosis automatically of vehicle; grafting and protection circuit for convenience; the most preferably, including shell 20, shell 20 is made up of box body 21, first interface 11 and lid 22; first interface 11 is 16pin interface; first interface 11 is positioned at the opening part of box body 21 and is closed by box mouth, accommodates each circuit unit in the box chamber of box body 21, and lid 22 is set on first interface 11.Lid 22 mainly protects first interface 11 when this device is not plugged on automatic vehicle diagnosis interface.As shown in figure 11, its pin circuitry figure is as shown in Figure 2 for the shape design of first interface 11.
The selection of microprocessing unit 15 and radio communication unit 17 has a lot, the most preferably, described microprocessing unit 15 includes single-chip microcomputer, radio communication unit 17 is bluetooth module, being provided with level conversion unit 16 between single-chip microcomputer and bluetooth module, power conversion unit 12 includes two outfan VDD_+5V and VDD_+3.3V.Bluetooth module is low in energy consumption, and currently the majority mobile device all supports bluetooth.
Refering to Fig. 3 a-Fig. 3 e, specifically, described single-chip microcomputer includes chip XC2224L20F66；VAREF, VDDPB pin of chip XC2224L20F66 all meets VDD_+5V and by electric capacity C6 ground connection, and electric capacity C7, C8, C9 are all connected in parallel on the two ends of electric capacity C6, chip XC2224L20F66'sTCK、TDO、Pin meets VDD_+5V by resistance R5, R8, R7, R6, R9 respectively；The equal ground connection of VAGND, VSS pin of chip XC2224L20F66, chip XC2224L20F66'sPin is respectively by electric capacity C12, resistance R4 ground connection；The VDDIM pin of chip XC2224L20F66 passes through electric capacity C33 ground connection, and electric capacity C34 is connected in parallel on electric capacity C33 two ends；The XTAL1 pin of chip XC2224L20F66 is connected with its XTAL2 pin by resistance R3, is parallel with passive crystal oscillator X1 by resistance R3.
nullRefering to Fig. 4，Specifically，Described CAN transceiver 13 includes chip TJA1048TK，The TXD1 of chip TJA1048TK、RXD1、TXD2、RXD2、STBN1、STBN2 pin respectively with the P2.2 of chip XC2224L20F66、P2.4、P2.1、P2.0、P2.5、P2.6 pin is connected，The GNDA of chip TJA1048TK、GNDB、The equal ground connection of GND pin，The VCC of chip TJA1048TK、VIO pin all meets VDD_+5V and respectively by electric capacity C1、C2 ground connection，The CANH1 of chip TJA1048TK、Resistance R11 it is in series with between CANL1 pin、R12，The CANH2 of chip TJA1048TK、Resistance R15 it is in series with between CANL2 pin、R16，The CANH1 of chip TJA1048TK、CANL1、CANH2、CANL2 pin respectively by transient supression diode and capacity earth and this four pins respectively with the pin 6 of first interface、Pin 14、Pin 3 and pin 11 are connected.Here CAN transceiver 13 is provided with two-way interface, adapts to different vehicles.
nullRefering to Fig. 5，Specifically，Described power-off memory element 14 includes chip MCZ33290EF/DR2，The CEN of chip MCZ33290EF/DR2、RX、TX pin respectively with the P6.3 of chip XC2224L20F66、P6.1、P6.0 pin is connected，The VDD pin of chip MCZ33290EF/DR2 meets VDD_+5V and by electric capacity C16 ground connection，The VBB pin of chip MCZ33290EF/DR2 is connected with power conversion unit 12 by resistance R13 respectively、The ISO pin of chip MCZ33290EF/DR2 is connect by resistance R14、By electric capacity C17 ground connection，The GND pin ground connection of chip MCZ33290EF/DR2，The ISO pin of chip MCZ33290EF/DR2 passes through electric capacity C18 ground connection，Transient supression diode it is parallel with by electric capacity C18，The ISO pin of chip MCZ33290EF/DR2 is connected with the pin 7 of first interface and pin 12.Power-off memory element 14 is set, it is possible to when vehicle parking, after system cut-off, still can preserve data, system configuration etc..
Refering to Fig. 6 a, Fig. 6 b, specifically, described bluetooth module includes chip BM57SPP03MC2 and audion Q1A, Q1B；nullThe GND pin ground connection of chip BM57SPP03MC2，The BAT_IN of chip BM57SPP03MC2、SW_BTN pin meets VDD_+3.3V and by electric capacity C1、C2 ground connection，The LDO33_O of chip BM57SPP03MC2、VDD_IO、WAKEUP、RST_N、EAN pin is respectively by resistance R9、R10、R6、R5、R1 meets VDD_+3.3V，The LDO18_O of chip BM57SPP03MC2、PMULDO_O、RST_N、P24、P20 pin is respectively by electric capacity C3、C4、C7 and resistance R4、R3 ground connection，P20 pin connects the P10.3 pin of chip XC2224L20F66 also by resistance R2；The BT_RF pin of chip BM57SPP03MC2 connects antenna by resistance R8, and the two ends of resistance R8 are respectively by electric capacity C16, C17 ground connection；WAKEUP, RST_N pin of chip BM57SPP03MC2 colelctor electrode with audion Q1A, Q1B respectively is connected, and the grounded emitter of audion Q1A, Q1B, the base stage of audion Q1A, Q1B is connected with P10.2, P10.4 pin of chip XC2224L20F66.By arranging bluetooth module, can send data on other the mobile terminal with Bluetooth function.
Refering to Fig. 7, specifically, described level conversion unit 16 includes chip TXS0102, the VCC_B pin of chip TXS0102 meets VDD_+5V and by electric capacity C9 ground connection, the GND pin ground connection of chip TXS0102, the VCCA pin of chip TXS0102 meets VDD_+3.3V and respectively by electric capacity C8 ground connection, the OE pin that met chip TXS0102 by resistance R7；B1, B2 pin of chip TXS0102 is connected with P10.0, P10.1 pin of chip XC2224L20F66 respectively, and A1, A2 pin of chip TXS0102 is connected with HCI_TXD, HCI_RXD pin of chip BM57SPP03MC2 respectively.By arranging level conversion unit 16, conveniently realize the communication between single-chip microcomputer and bluetooth module.
Refering to Fig. 8, specifically, described power conversion unit 12 includes chip BD433M5, chip MCP1700；One end after resistance R11, R12 parallel connection is connected with the negative pole of diode D1, the other end is connected with the Vin pin of chip BD433M5, the pin 16 of positive pole and first interface that the positive pole of diode D1 passes sequentially through electric capacity C10, C15 ground connection and diode D1 is connected, the Vin pin of chip BD433M5 is connected with the VBB pin of chip MCZ33290EF/DR2 and respectively by electric capacity C12, C14 and transient supression diode ground connection, the DGND pin ground connection of chip BD433M5, the Vout pin of chip BD433M5 is respectively by electric capacity C11, C13 ground connection；The Vin pin of chip MCP1700 is connected with the Vout pin of chip BD433M5, the GND pin ground connection of chip MCP1700, and the Vo pin of chip MCP1700 is respectively by electric capacity C5, C6 ground connection；The Vout pin of chip BD433M5, chip MCP1700 Vo pin respectively as VDD_+5V, VDD_+3.3V outfan.By arranging power conversion unit 12, it is possible to it is that other unit are powered that the Power convert obtained from vehicle power becomes suitable voltage.
As preferred version of the present utility model, also include indicator unit 18 and the second interface 19, indicator unit 18 as it is shown in figure 9, the second interface 19 as shown in Figure 10.Described indicator unit 18 includes light emitting diode D2, light emitting diode D3, the positive pole of light emitting diode D3 connects VDD_+5V, negative pole by resistance R2 ground connection, the positive pole of light emitting diode D2 is connect VDD_+5V, negative pole and is connect the colelctor electrode of audion Q1 by resistance R1, the grounded emitter of audion Q1, the base stage of audion Q1 is connected with its emitter stage by resistance R18, is connected by the LED1 pin of resistance R17 and chip BM57SPP03MC2 respectively；The pin 3 of described second interface 19 connects VDD_+5V, pin 5 ground connection, the pin 1,2,4,6,7,8 of the second interface 19 respectively with the P5.2 of chip XC2224L20F66, P5.4, P2.9, P10.12,Pin is connected.Indicator unit 18 can the duty of display system, the second interface 19 is convenient to single-chip microcomputer write-in program, modifies the program in single-chip microcomputer.
Claims (10)
1. a vehicle OBD diagnostic data mining for vehicles system, it is characterized in that: include first interface (11), microprocessing unit (15) and radio communication unit (17), described first interface (11) is connected with mounted automatic diagnosis interface, first interface (11) is connected with microprocessing unit (15) by CAN transceiver (13), power-off memory element (14) respectively, and CAN transceiver (13) is sent after the information come processes and transmitted to server or mobile terminal by radio communication unit (17) by microprocessing unit (15)；Power conversion unit (12) is connected with vehicle power by first interface (11) and exports suitable voltage is that CAN transceiver (13), power-off memory element (14), microprocessing unit (15) and radio communication unit (17) are powered.
2. vehicle OBD diagnostic data mining for vehicles system as claimed in claim 1, it is characterized in that: include shell (20), shell (20) is made up of box body (21), first interface (11) and lid (22), first interface (11) is 16pin interface, first interface (11) is positioned at the opening part of box body (21) and is closed by box mouth, accommodating each circuit unit in the box chamber of box body (21), lid (22) is set on first interface (11).
3. vehicle OBD diagnostic data mining for vehicles system as claimed in claim 2, it is characterized in that: described microprocessing unit (15) includes single-chip microcomputer, radio communication unit (17) is bluetooth module, being provided with level conversion unit (16) between single-chip microcomputer and bluetooth module, power conversion unit (12) includes two outfan VDD_+5V and VDD_+3.3V.
4. vehicle OBD diagnostic data mining for vehicles system as claimed in claim 3, it is characterised in that: described single-chip microcomputer includes chip XC2224L20F66；VAREF, VDDPB pin of chip XC2224L20F66 all meets VDD_+5V and by electric capacity C6 ground connection, and electric capacity C7, C8, C9 are all connected in parallel on the two ends of electric capacity C6, chip XC2224L20F66'sTCK、TDO、 Pin meets VDD_+5V by resistance R5, R8, R7, R6, R9 respectively；The equal ground connection of VAGND, VSS pin of chip XC2224L20F66, chip XC2224L20F66's Pin is respectively by electric capacity C12, resistance R4 ground connection；The VDDIM pin of chip XC2224L20F66 passes through electric capacity C33 ground connection, and electric capacity C34 is connected in parallel on electric capacity C33 two ends；The XTAL1 pin of chip XC2224L20F66 is connected with its XTAL2 pin by resistance R3, is parallel with passive crystal oscillator X1 by resistance R3.
null5. vehicle OBD diagnostic data mining for vehicles system as claimed in claim 4，It is characterized in that: described CAN transceiver (13) includes chip TJA1048TK，The TXD1 of chip TJA1048TK、RXD1、TXD2、RXD2、STBN1、STBN2 pin respectively with the P2.2 of chip XC2224L20F66、P2.4、P2.1、P2.0、P2.5、P2.6 pin is connected，The GNDA of chip TJA1048TK、GNDB、The equal ground connection of GND pin，The VCC of chip TJA1048TK、VIO pin all meets VDD_+5V and respectively by electric capacity C1、C2 ground connection，The CANH1 of chip TJA1048TK、Resistance R11 it is in series with between CANL1 pin、R12，The CANH2 of chip TJA1048TK、Resistance R15 it is in series with between CANL2 pin、R16，The CANH1 of chip TJA1048TK、CANL1、CANH2、CANL2 pin respectively by transient supression diode and capacity earth and this four pins respectively with the pin 6 of first interface、Pin 14、Pin 3 and pin 11 are connected.
null6. vehicle OBD diagnostic data mining for vehicles system as claimed in claim 4，It is characterized in that: described power-off memory element (14) includes chip MCZ33290EF/DR2，The CEN of chip MCZ33290EF/DR2、RX、TX pin respectively with the P6.3 of chip XC2224L20F66、P6.1、P6.0 pin is connected，The VDD pin of chip MCZ33290EF/DR2 meets VDD_+5V and by electric capacity C16 ground connection，The VBB pin of chip MCZ33290EF/DR2 is connected with power conversion unit (12) by resistance R13 respectively、The ISO pin of chip MCZ33290EF/DR2 is connect by resistance R14、By electric capacity C17 ground connection，The GND pin ground connection of chip MCZ33290EF/DR2，The ISO pin of chip MCZ33290EF/DR2 passes through electric capacity C18 ground connection，Transient supression diode it is parallel with by electric capacity C18，The ISO pin of chip MCZ33290EF/DR2 is connected with the pin 7 of first interface and pin 12.
7. vehicle OBD diagnostic data mining for vehicles system as claimed in claim 4, it is characterised in that: described bluetooth module includes chip BM57SPP03MC2 and audion Q1A, Q1B；nullThe GND pin ground connection of chip BM57SPP03MC2，The BAT_IN of chip BM57SPP03MC2、SW_BTN pin meets VDD_+3.3V and by electric capacity C1、C2 ground connection，The LDO33_O of chip BM57SPP03MC2、VDD_IO、WAKEUP、RST_N、EAN pin is respectively by resistance R9、R10、R6、R5、R1 meets VDD_+3.3V，The LDO18_O of chip BM57SPP03MC2、PMULDO_O、RST_N、P24、P20 pin is respectively by electric capacity C3、C4、C7 and resistance R4、R3 ground connection，P20 pin connects the P10.3 pin of chip XC2224L20F66 also by resistance R2；The BT_RF pin of chip BM57SPP03MC2 connects antenna by resistance R8, and the two ends of resistance R8 are respectively by electric capacity C16, C17 ground connection；WAKEUP, RST_N pin of chip BM57SPP03MC2 colelctor electrode with audion Q1A, Q1B respectively is connected, and the grounded emitter of audion Q1A, Q1B, the base stage of audion Q1A, Q1B is connected with P10.2, P10.4 pin of chip XC2224L20F66.
8. vehicle OBD diagnostic data mining for vehicles system as claimed in claim 7, it is characterized in that: described level conversion unit (16) includes chip TXS0102, the VCC_B pin of chip TXS0102 meets VDD_+5V and by electric capacity C9 ground connection, the GND pin ground connection of chip TXS0102, the VCCA pin of chip TXS0102 meets VDD_+3.3V and respectively by electric capacity C8 ground connection, the OE pin that met chip TXS0102 by resistance R7；B1, B2 pin of chip TXS0102 is connected with P10.0, P10.1 pin of chip XC2224L20F66 respectively, and A1, A2 pin of chip TXS0102 is connected with HCI_TXD, HCI_RXD pin of chip BM57SPP03MC2 respectively.
9. the vehicle OBD diagnostic data mining for vehicles system as described in claim 6,7 or 8, it is characterised in that: described power conversion unit (12) includes chip BD433M5, chip MCP1700；One end after resistance R11, R12 parallel connection is connected with the negative pole of diode D1, the other end is connected with the Vin pin of chip BD433M5, the pin 16 of positive pole and first interface that the positive pole of diode D1 passes sequentially through electric capacity C10, C15 ground connection and diode D1 is connected, the Vin pin of chip BD433M5 is connected with the VBB pin of chip MCZ33290EF/DR2 and respectively by electric capacity C12, C14 and transient supression diode ground connection, the DGND pin ground connection of chip BD433M5, the Vout pin of chip BD433M5 is respectively by electric capacity C11, C13 ground connection；The Vin pin of chip MCP1700 is connected with the Vout pin of chip BD433M5, the GND pin ground connection of chip MCP1700, and the Vo pin of chip MCP1700 is respectively by electric capacity C5, C6 ground connection；The Vout pin of chip BD433M5, chip MCP1700 Vo pin respectively as VDD_+5V, VDD_+3.3V outfan.
10. vehicle OBD diagnostic data mining for vehicles system as claimed in claim 8, it is characterized in that: also include indicator unit (18) and the second interface (19), described indicator unit (18) includes light emitting diode D2, light emitting diode D3, the positive pole of light emitting diode D3 meets VDD_+5V, negative pole passes through resistance R2 ground connection, the positive pole of light emitting diode D2 meets VDD_+5V, negative pole connects the colelctor electrode of audion Q1 by resistance R1, the grounded emitter of audion Q1, the base stage of audion Q1 is connected with its emitter stage by resistance R18 respectively, it is connected by the LED1 pin of resistance R17 and chip BM57SPP03MC2；The pin 3 of described second interface (19) connects VDD_+5V, pin 5 ground connection, the pin 1,2,4,6,7,8 of the second interface (19) respectively with the P5.2 of chip XC2224L20F66, P5.4, P2.9, P10.12,Pin is connected.
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| CN201521054810.1U CN205427606U (en) | 2015-12-15 | 2015-12-15 | Vehicle OBD diagnostic data collection system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106558251A (en) * | 2017-02-07 | 2017-04-05 | 王文增 | A kind of vehicle teaching signals collecting service unit |
| CN107977190A (en) * | 2016-10-25 | 2018-05-01 | 罗伯特·博世有限公司 | The Online Processing System and on-line processing method of vehicle data |
| CN108280982A (en) * | 2017-11-25 | 2018-07-13 | 贵阳永青仪电科技有限公司 | A kind of portable car-mounted data wireless transmission circuit |
| CN112965469A (en) * | 2021-03-24 | 2021-06-15 | 深圳市道通科技股份有限公司 | Automobile diagnosis device, control method and storage medium |
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2015
- 2015-12-15 CN CN201521054810.1U patent/CN205427606U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107977190A (en) * | 2016-10-25 | 2018-05-01 | 罗伯特·博世有限公司 | The Online Processing System and on-line processing method of vehicle data |
| CN106558251A (en) * | 2017-02-07 | 2017-04-05 | 王文增 | A kind of vehicle teaching signals collecting service unit |
| CN108280982A (en) * | 2017-11-25 | 2018-07-13 | 贵阳永青仪电科技有限公司 | A kind of portable car-mounted data wireless transmission circuit |
| CN112965469A (en) * | 2021-03-24 | 2021-06-15 | 深圳市道通科技股份有限公司 | Automobile diagnosis device, control method and storage medium |
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Address after: No.27 Hezhang Road, Hefei Economic and Technological Development Zone, Anhui Province, 230000 Patentee after: HEFEI SOFTEC AUTO-ELECTRONIC CO.,LTD. Address before: No. 27 Taoyuan Road, Economic and Technological Development Zone, Hefei City, Anhui Province, 230601 Patentee before: HEFEI SOFTEC AUTO-ELECTRONIC Co.,Ltd. |
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