CN205864448U - A kind of hand-held CAN analyser of electric automobile - Google Patents
A kind of hand-held CAN analyser of electric automobile Download PDFInfo
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- CN205864448U CN205864448U CN201620595987.0U CN201620595987U CN205864448U CN 205864448 U CN205864448 U CN 205864448U CN 201620595987 U CN201620595987 U CN 201620595987U CN 205864448 U CN205864448 U CN 205864448U
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- electric automobile
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Abstract
A kind of hand-held CAN analyser of electric automobile, solve existing CAN detector inconvenient operation, the technical problem that detection whole cost is high, the technical scheme is that the circuit board including housing and being arranged in housing, including the CAN signal acquisition module being connected with the CAN of electric automobile, memory card module, the usb data read module being connected with peripheral hardware, display screen, and for receiving and analyze and process the data of the automobile CAN-bus transmission that CAN signal acquisition module sends, and data send and carry out aobvious being simultaneously sent to the main controller module that memory card module carries out storing to display screen after resolving, and the power management module powered for above modules and accumulator battery.This utility model is simple and practical, and cost is relatively low, easy to use, simple to operate.
Description
Technical field
This utility model relates to vehicle failure detection technical field, the hand-held CAN of a kind of electric automobile
Analyser.
Background technology
Electric automobile internal structure and fuel automobile have made a big difference, although the CAN network agreement of car load is still
Use SAEJ1939 standard, but data form there has been the biggest change, it is impossible to use traditional automotive test equipment.City at present
CAN detector on field is that CAN turns the form of USB and the data of CAN network is sent on computer, supporting computer software enter
Row display and storage.This CAN detector price is in hundreds of-thousand of unit, if detected car load CAN network data
Needing a supporting notebook computer to use with when observing, whole cost is high.If many chassis are monitored simultaneously,
The equipment needed will be double.
Summary of the invention
The technical problem that this utility model is the existing CAN detector inconvenient operation of solution, detection whole cost is high,
Devise the hand-held CAN analyser of a kind of electric automobile, can quickly receive the message that CAN sends, analyze in time
And present on a display screen, the most intuitively.
This utility model the technical scheme is that for realizing goal of the invention
The hand-held CAN analyser of a kind of electric automobile, including housing and the circuit board that is arranged in housing, closes
Key is: described board structure of circuit includes: the CAN signal acquisition module that is connected with the CAN of electric automobile, storage snap gauge
Usb data read module that block is connected with peripheral hardware, display screen, and be used for receiving and analyze and process CAN signal acquisition module and send out
Data after parsings also are sent and carry out aobvious being simultaneously sent to storage snap gauge to display screen by data that the automobile CAN-bus that send transmits
Block carries out the main controller module stored, and the power management module powered for above modules and accumulator battery.
This utility model carries display and storage function, can analyze the CAN message received in real time and show
Out, can see that the state of current automobile is pinpointed the problems in time intuitively, all collect that data can be real-time with TXT literary composition
The form of part stores in SD card, and the data of storage are all convenient form and the types using Excel to carry out data analysis.This inspection
Survey instrument and have stronger adaptability, go for many moneys electric automobile.
Further, described board structure of circuit also including, the serial communication modular being connected with master controller is or/and 485 is total
Wire module.
Further, the button that also includes in described board structure of circuit being connected with master controller, instruction, alarm unit.
Further, in described main controller module, the chip model of master controller is: STM32F103VBT6.
This utility model use the STM32 chip of current main flow as master controller, support USB, CAN, RS232 and
The multiple communication interfaces such as RS485, also drive the several functions such as TFT color screen, read-write SD card.Master controller is received by CAN
Send out chip the data collected in CAN to be resolved according to corresponding data form, by SOC, electric current, monomer voltage and
The information such as vehicle body are shown on liquid crystal display screen, can transform the data into form simultaneously and store on SD, and be able to record that every message
Temporal information facilitates data analysis.Carrying lithium cell charging and defencive function, maximum can store the data of 8GB.
Further, described CAN signal acquisition module includes CAN controller and CAN transceiver, and described CAN is total
The model of line transceiver is SN65HVD230.CAN controller within main control is protocol controller, it is impossible to provide thing
Reason layer drives, and therefore also needs to additional CAN transceiver.The CAN transceiver that this equipment uses is SN65HVD230, should
Chip is the 3.3V CAN transceiver that Texas Instruments produces, and its feature has: difference transmitting-receiving ability is strong；Completely compatible
ISO11898 standard；Low current standby mode, exemplary currents is 370 μ A；Signal transmission rate reaches as high as 1Mb/s.This device
It is applicable to higher communication speed, good capacity of resisting disturbance, is widely used in the fields such as automobile, industrial automation, UPS control.
Further, described memory card module uses microSD card.Maximum can support 32G card, and maximum can be deposited in theory
Store up 6,000,000,000 CAN message.The file of system one TXT form of storage per minute, can take out SD card when reading data and read,
Computer can also be directly imported data to by USB data line.
Further, described display screen is touching display screen.
Further, described accumulator uses lithium battery, and the circuit structure of power management module includes: respectively with lithium electricity
The charging and discharging lithium battery that the input/output terminal in pond connects manages module and power supply module.USB interface or 12V car can be passed through
Carrying power supply is its charging.This equipment is sustainable work more than 10 hours when battery is fully charged, closing display screen
Can work under state more than 30 hours.
Further, the charging chip in described charging and discharging lithium battery management module uses TP4056, particular circuit configurations
Including: filter capacitor C12, C14, electric fuse F1, F2, charging indicator light D1, be full of display lamp D2, start shooting display lamp D4.
Further, in described power supply module, power supply chip uses the power supply chip being respectively converted into 5v voltage
The power supply chip HT7333 of LM2596 and 3.3v voltage, particular circuit configurations includes: input filter capacitor C1, C15, C17, defeated
Go out filter capacitor C2, C3, C4, C16, C18, output inductor L1, receive diode D5, and 12V electric voltage observation circuit
R12, R14, D6, and 5V electric voltage observation circuit R13, R14, D7.Whole power supply unit has more perfect overvoltage, crosses stream, anti-
Electrostatic discharge protective circuit, provides reliable power supply supply for whole system.
This utility model is simple and practical, and cost is relatively low, easy to use, simple to operate, has multiple power supply mode and wide in range
Supply voltage, data memory format is flexible, only need to be connected can data be copied by USB line and computer after each vehicle testing
Go out, carry out data analysis by Excel；Saving of work and time, only needs a people just can easily settle；This detector have stronger for
Property, single cost, at about 100 yuan, goes for many moneys electric automobile；This CAN communication detector size is only 135*
65*35mm, easy to carry, simple to operate；There are multiple power supply mode and wide in range supply voltage；Data memory format is flexible, often
Only need to connect data can be copied out by USB line and computer after secondary vehicle testing, carry out data analysis by Excel.
Below in conjunction with the accompanying drawings this utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is board structure of circuit block diagram of the present utility model.
Fig. 2 is the circuit theory diagrams of charging and discharging lithium battery management module in power management module.
Fig. 3 is the circuit theory diagrams of power supply module in power management module.
In accompanying drawing, 1. main controller module；2.CAN signal acquisition module；3. touch display screen；4. serial communication modular；
5.485 bus module；6.micro SD card；7. charging and discharging lithium battery management module and power supply module；8.USB data are read
Delivery block；9. button, instruction, alarm unit.
Detailed description of the invention
Specific embodiment of the utility model is as follows:
Accompanying drawing 1 show board structure of circuit block diagram of the present utility model, is mainly made up of following module: 1. main controller
Module；2.CAN signal acquisition module；3. touch display screen；4. serial communication modular；5.485 bus module；6.micro SD
Card；7. charging and discharging lithium battery management module and power supply module；8.USB data read module；9. button, indicate, list of reporting to the police
Unit.Wherein the power supply module in module 7 is powered for modules in this instrument, but succinct, only in order to show in figure
Indicate the connection of itself and main controller module 1.Wherein main controller module 1 is the key control unit of whole equipment, completes
The transmitting-receiving of data, store, analyze, the function such as display controls.Main control chip uses the STM32F103VBT6 of ST Microelectronics
Chip.This chip has the RISC kernel of high performance ARM Cortex-M3 32, and operating frequency is 72MHz, built-in high speed
Memorizer (flash memory of up to 128K byte and the SRAM of 20K byte), abundant enhancing I/O port and to be connected to two APB total
The peripheral hardware of line, has the ADC of 2 12,3 general 16 bit timing devices and a PWM intervalometer, also comprises standard and advanced person's
Communication interface: up to 2 I2C and SPI, 3 USART, a USB and a CAN.
In this utility model, data storage cell uses micro SD card 6 can support 32G as storage medium, maximum
Card, maximum can store 6,000,000,000 CAN message in theory.The file of system one TXT form of storage per minute, can during reading data
Read with taking-up SD card, it is also possible to directly imported data to computer by USB data line.
CAN signal collecting unit 2 in this utility model, the CAN controller within main control is protocol controller,
It is not provided that physical layer drives, therefore also needs to additional CAN transceiver.The CAN transceiver that this equipment uses is
SN65HVD230, this chip is the 3.3V CAN transceiver that Texas Instruments produces, and its feature has: difference transmitting-receiving ability is strong；
Completely compatible ISO11898 standard；Low current standby mode, exemplary currents is 370 μ A；Signal transmission rate reaches as high as 1Mb/
s.This device is applicable to higher communication speed, good capacity of resisting disturbance, is widely used in the necks such as automobile, industrial automation, UPS control
Territory.
This utility model is in order to meet longevity of service and the requirement being convenient for carrying, and this equipment employs environmental protection, big
The laminated type lithium ion battery of capacity, and devise on-board battery administrative unit, USB interface or 12V vehicle power can be passed through
Charge for it.This equipment is sustainable work more than 10 hours when battery is fully charged, when closing display screen
Can work more than 30 hours.
Accompanying drawing 2, the charging chip U2 in described charging and discharging lithium battery management module uses TP4056, in particular circuit configurations
Including: filter capacitor C12, C14, electric fuse F1, F2, charging indicator light D1, it is full of display lamp D2, start shooting display lamp D4.
Accompanying drawing 3, in described power supply module, power supply chip uses the power supply chip U2 model being respectively converted into 5v voltage
Power supply chip U1 model for LM2596 and 3.3v voltage is HT7333, and particular circuit configurations includes: input filter capacitor C1,
C15, C17, output filter capacitor C2, C3, C4, C16, C18, output inductor L1, receives diode D5, and 12V voltage
Observation circuit R12, R14, D6, and 5V electric voltage observation circuit R13, R14, D7.Whole power supply unit have more perfect overvoltage,
Cross stream, anti-static protection circuit, provide reliable power supply supply for whole system.
Claims (10)
1. a hand-held CAN analyser for electric automobile, including housing and the circuit board that is arranged in housing, it is special
Levy and be: described board structure of circuit includes: the CAN signal acquisition module that is connected with the CAN of electric automobile, storage snap gauge
Usb data read module that block is connected with peripheral hardware, display screen, and be used for receiving and analyze and process CAN signal acquisition module and send out
Data after parsings also are sent and carry out aobvious being simultaneously sent to storage snap gauge to display screen by data that the automobile CAN-bus that send transmits
Block carries out the main controller module stored, and the power management module powered for above modules and accumulator battery.
The hand-held CAN analyser of a kind of electric automobile the most according to claim 1, it is characterised in that: described electricity
Road plate structure also includes the serial communication modular that is connected with master controller or/and 485 bus modules.
The hand-held CAN analyser of a kind of electric automobile the most according to claim 1 and 2, it is characterised in that: described
The button that also includes in board structure of circuit being connected with master controller, instruction, alarm unit.
The hand-held CAN analyser of a kind of electric automobile the most according to claim 1 and 2, it is characterised in that: described
In main controller module, the chip model of master controller is: STM32F103VBT6.
The hand-held CAN analyser of a kind of electric automobile the most according to claim 1 and 2, it is characterised in that: described
CAN signal acquisition module includes that CAN controller and CAN transceiver, the model of described CAN transceiver are
SN65HVD230。
The hand-held CAN analyser of a kind of electric automobile the most according to claim 1 and 2, it is characterised in that: described
Memory card module uses microSD card.
The hand-held CAN analyser of a kind of electric automobile the most according to claim 1 and 2, it is characterised in that: described
Display screen is touching display screen.
The hand-held CAN analyser of a kind of electric automobile the most according to claim 1, it is characterised in that: described storage
Battery uses lithium battery, and the circuit structure of power management module includes: the lithium being connected with the input/output terminal of lithium battery respectively
Battery charging and discharging management module and power supply module.
The hand-held CAN analyser of a kind of electric automobile the most according to claim 8, it is characterised in that: described lithium
Charging chip in battery charging and discharging management module uses TP4056, and particular circuit configurations includes: filter capacitor C12, C14,
Electric fuse F1, F2, charging indicator light D1, it is full of display lamp D2, start shooting display lamp D4.
The hand-held CAN analyser of a kind of electric automobile the most according to claim 8 or claim 9, it is characterised in that: institute
State power supply chip in power supply module and use power supply chip LM2596 and the power supply of 3.3v voltage being respectively converted into 5v voltage
Chip HT7333, particular circuit configurations includes: input filter capacitor C1, C15, C17, output filter capacitor C2, C3, C4,
C16, C18, output inductor L1, receives diode D5, and 12V electric voltage observation circuit R12, R14, D6, and 5V voltage prison
Slowdown monitoring circuit R13, R14, D7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620595987.0U CN205864448U (en) | 2016-06-17 | 2016-06-17 | A kind of hand-held CAN analyser of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620595987.0U CN205864448U (en) | 2016-06-17 | 2016-06-17 | A kind of hand-held CAN analyser of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205864448U true CN205864448U (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620595987.0U Active CN205864448U (en) | 2016-06-17 | 2016-06-17 | A kind of hand-held CAN analyser of electric automobile |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110162449A (en) * | 2019-03-26 | 2019-08-23 | 北京海益同展信息科技有限公司 | Date storage method and device during Internet data center's inspection |
| CN113645089A (en) * | 2021-06-22 | 2021-11-12 | 中国电子科技集团公司第五十八研究所 | High-voltage-resistance double-isolation CAN transceiver test circuit technical device based on MCU |
| US20230027611A1 (en) * | 2021-07-26 | 2023-01-26 | Realtek Semiconductor Corporation | Power supply device, power supply system and non-transitory computer-readable recording medium |
-
2016
- 2016-06-17 CN CN201620595987.0U patent/CN205864448U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110162449A (en) * | 2019-03-26 | 2019-08-23 | 北京海益同展信息科技有限公司 | Date storage method and device during Internet data center's inspection |
| CN113645089A (en) * | 2021-06-22 | 2021-11-12 | 中国电子科技集团公司第五十八研究所 | High-voltage-resistance double-isolation CAN transceiver test circuit technical device based on MCU |
| US20230027611A1 (en) * | 2021-07-26 | 2023-01-26 | Realtek Semiconductor Corporation | Power supply device, power supply system and non-transitory computer-readable recording medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181008 Address after: 054007 Huining village, Xingtai County, Xingtai, Hebei Patentee after: Hebei Hongxing Automobile Manufacturing Co., Ltd. Address before: 454191 south side of Coke Road, central station, Jiaozuo, Henan Patentee before: Duo-fluoride Chemicals Co., Ltd. |