CN214380963U - Automobile diagnosis analysis data transmission device - Google Patents
Automobile diagnosis analysis data transmission device Download PDFInfo
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- CN214380963U CN214380963U CN202022480776.1U CN202022480776U CN214380963U CN 214380963 U CN214380963 U CN 214380963U CN 202022480776 U CN202022480776 U CN 202022480776U CN 214380963 U CN214380963 U CN 214380963U
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- 238000004458 analytical method Methods 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 title claims abstract description 23
- 238000003745 diagnosis Methods 0.000 title abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 41
- 238000002955 isolation Methods 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005206 flow analysis Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- 238000005070 sampling Methods 0.000 description 1
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Abstract
The utility model relates to an automobile diagnosis analysis data transmission device, include: the WiFi signal conversion module is used for receiving a WiFi signal and converting the WiFi signal into an SPI bus signal; the SPI signal conversion module is electrically connected with the WiFi signal conversion module and used for receiving an SPI bus signal and converting the SPI bus signal into a CAN bus signal; the CAN isolation module is electrically connected with the SPI signal conversion module and used for receiving CAN bus signals and outputting the CAN bus signals to the isolation module; and the OBD2 interface is electrically connected with the CAN isolation module and is used for externally connecting an automobile communication interface. An operator CAN be connected with the analyzer through a mobile phone, a computer and a panel (any device with a wifi function), and the analyzer CAN be directly connected to an OBD2 interface of the automobile, so that a user CAN diagnose and calibrate the automobile CAN through the mobile phone, the computer and the panel, diagnosis and calibration of the automobile CAN become simpler and more diversified, and the operation content is richer.
Description
Technical Field
The utility model relates to an automobile diagnosis analysis field especially relates to an automobile diagnosis analysis data transmission device.
Background
With the continuous improvement of the automobile electronization and intellectualization level, the automobile electronic structure is increasingly perfect and complex, and the automobile fault diagnosis and elimination are more difficult. Modern automobile faults can not be diagnosed and repaired simply by relying on subjective experiences of traditional maintenance personnel, and various automobile faults can be intelligently diagnosed by means of electronic auxiliary equipment and based on a data flow analysis technology.
The existing automobile diagnosis is generally carried out by utilizing a Wifi-to-CAN analyzer, the existing Wifi-to-CAN analyzer is realized through interfaces such as DB9, Open3 and the like, and an additional patch cord is needed if the existing Wifi-to-CAN analyzer is connected to the automobile. Thus, the operation of operators is inconvenient, and the detection efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a data transmission device for automobile diagnosis and analysis, which aims at the problems that the operation of operators is inconvenient and the detection efficiency is reduced because an additional patch cord is required for connecting the analyzer to the automobile.
An automotive diagnostic analysis data transmission device comprising:
the WiFi signal conversion module is used for receiving a WiFi signal and converting the WiFi signal into an SPI bus signal;
the SPI signal conversion module is electrically connected with the WiFi signal conversion module and used for receiving an SPI bus signal and converting the SPI bus signal into a CAN bus signal;
the CAN isolation module is electrically connected with the SPI signal conversion module and used for receiving the CAN bus signal and outputting the CAN bus signal to the isolation module;
and the OBD2 interface is electrically connected with the CAN isolation module and is used for externally connecting an automobile communication interface.
In one preferred embodiment, the WiFi signal conversion module includes an EMC3280 gateway processing chip.
In one of the preferred embodiments, the SPI signal conversion module comprises an MCP2518FD signal conversion chip.
In one preferred embodiment, there are two MCP2518FD signal conversion chips, and the two MCP2518FD signal conversion chips are electrically connected to the WiFi signal conversion module respectively.
In one preferred embodiment, the CAN isolation module includes an ISO1042 transceiver processing chip.
In one preferred embodiment, the vehicle diagnostic and analysis data transmission device further includes:
and the power isolation module is electrically connected with the CAN isolation module.
In one preferred embodiment, the vehicle diagnostic and analysis data transmission device further includes:
the power supply state indicating module is used for indicating the power supply state of the power supply;
and the signal conversion state indicating module is used for displaying the signal conversion state.
In one preferred embodiment, the power status indication module includes:
LM76003-Q1 chip and TPS62823DLC chip.
The utility model discloses automobile diagnosis analysis data transmission device among the above-mentioned embodiment, operating personnel CAN pass through the cell-phone, the computer, dull and stereotyped (any equipment that has the wifi function), all CAN connect the up-analysis appearance, this analysis appearance CAN direct access car OBD2 interface, thereby the user CAN see through the cell-phone, the computer, dull and stereotyped (any equipment that has the wifi function) diagnoses and marks car CAN, it is unusual simple and convenient and pluralism to the CAN diagnosis operation of car become, make the diagnosis and the demarcation to car CAN become simpler and easier, more pluralism, the operation content is abundanter.
Drawings
Fig. 1 is a block diagram of an automobile diagnostic and analysis data transmission device according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, a preferred embodiment of the present invention discloses an automobile diagnostic analysis data transmission device 100, wherein the automobile diagnostic analysis data transmission device 100 comprises a WiFi signal conversion module 110, an SPI signal conversion module 120, a CAN isolation module 140 and an OBD2 interface 130.
The WiFi signal conversion module 110 is configured to receive a WiFi signal and convert the WiFi signal into an SPI bus signal;
specifically, the WiFi signal conversion module includes an EMC3280 gateway processing chip. The EMC3280 gateway processing chip man acts to convert WIFI signals into SPI buses. This module this provides two way SPI buses, WIFI pilot lamp signal all the way, the bluetooth pilot lamp signal ADC sampling signal all the way and reset signal all the way.
The SPI signal conversion module 120 is electrically connected to the WiFi signal conversion module 110, and is configured to receive an SPI bus signal and convert the SPI bus signal into a CAN bus signal;
specifically, the SPI signal conversion module 120 includes an MCP2518FD signal conversion chip. MCP2518FD functions to convert the SPI bus to the CAN bus.
Specifically, two MCP2518FD signal conversion chips are provided and are electrically connected to the WiFi signal conversion module respectively. In this embodiment, two MCP2518FD chips are used to provide two CAN buses.
The CAN isolation module is electrically connected with the SPI signal conversion module and used for receiving the CAN bus signal and outputting the CAN bus signal to the isolation module;
the CAN isolation module 140 includes an ISO1042 transceiver processing chip. The ISO1042 transceiver processing chip is a electrically isolated Controller Area Network (CAN) transceiver conforming to the ISO11898-2(2016) standard specification. The function is isolation between CAN bus signals, and level conversion is provided.
The OBD2 interface 130 is electrically connected to the CAN isolation module 140 for connecting to an external vehicle communication interface.
The automobile diagnosis and analysis data transmission device further comprises:
and a power isolation module 150 electrically connected to the CAN isolation module 140. In this embodiment, the power isolation module includes a F0505XT-1WR3 power isolation chip.
The automobile diagnosis and analysis data transmission device further comprises: a power status indication module (not shown) for indicating a power supply status; and a signal conversion status indication module (not shown) for displaying the signal conversion status.
The power state indicating module comprises an LM76003-Q1 processing chip and a TPS62823DLC processing chip.
The LM76003-Q1 processing chip is an easy-to-use synchronous step-down DC/DC converter, and can drive the load current of 3.5A at most, and the input voltage can reach 60V at most. The function is to provide 5V power on the PCB board.
The TPS62823DLC processing chip is a versatile and easy-to-use synchronous buck dc/dc converter with very low quiescent current of only 4 μ a. The device has an input voltage of 2.4V to 5.5V and can provide an output current of up to 3A. The function is to provide 3.3V power on the PCB board.
The utility model discloses automobile diagnosis analysis data transmission device among the above-mentioned embodiment, operating personnel CAN pass through the cell-phone, the computer, dull and stereotyped (any equipment that has the wifi function), all CAN connect the up-analysis appearance, this analysis appearance CAN direct access car OBD2 interface, thereby the user CAN see through the cell-phone, the computer, dull and stereotyped (any equipment that has the wifi function) diagnoses and marks car CAN, it is unusual simple and convenient and pluralism to the CAN diagnosis operation of car become, make the diagnosis and the demarcation to car CAN become simpler and easier, more pluralism, the operation content is abundanter.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. An automotive diagnostic analysis data transmission device, comprising:
the WiFi signal conversion module is used for receiving a WiFi signal and converting the WiFi signal into an SPI bus signal;
the SPI signal conversion module is electrically connected with the WiFi signal conversion module and used for receiving an SPI bus signal and converting the SPI bus signal into a CAN bus signal;
the CAN isolation module is electrically connected with the SPI signal conversion module and used for receiving the CAN bus signal and outputting the CAN bus signal to the isolation module;
and the OBD2 interface is electrically connected with the CAN isolation module and is used for externally connecting an automobile communication interface.
2. The automotive diagnostic analysis data transmission device of claim 1, wherein the WiFi signal conversion module comprises an EMC3280 gateway processing chip.
3. The automotive diagnostic analysis data transmission device of claim 1, wherein the SPI signal conversion module comprises an MCP2518FD signal conversion chip.
4. The automotive diagnostic and analytical data transmission device of claim 3, wherein two MCP2518FD signal conversion chips are provided and electrically connected to the WiFi signal conversion module respectively.
5. The automotive diagnostic and analytical data transmission device of claim 1, wherein the CAN isolation module includes an ISO1042 transceiver processing chip.
6. The automotive diagnostic analysis data transmission device according to claim 1, further comprising:
and the power isolation module is electrically connected with the CAN isolation module.
7. The automotive diagnostic analysis data transmission device according to claim 1, further comprising:
the power supply state indicating module is used for indicating the power supply state of the power supply;
and the signal conversion state indicating module is used for displaying the signal conversion state.
8. The automotive diagnostic analysis data transmission device of claim 7, wherein the power status indication module comprises:
LM76003-Q1 chip and TPS62823DLC chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022480776.1U CN214380963U (en) | 2020-10-30 | 2020-10-30 | Automobile diagnosis analysis data transmission device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022480776.1U CN214380963U (en) | 2020-10-30 | 2020-10-30 | Automobile diagnosis analysis data transmission device |
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| Publication Number | Publication Date |
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| CN214380963U true CN214380963U (en) | 2021-10-08 |
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| CN202022480776.1U Expired - Fee Related CN214380963U (en) | 2020-10-30 | 2020-10-30 | Automobile diagnosis analysis data transmission device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113938536A (en) * | 2021-11-04 | 2022-01-14 | 上海海能汽车电子有限公司 | Multi-protocol multi-connection mode commercial vehicle fault diagnosis instrument adapter |
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2020
- 2020-10-30 CN CN202022480776.1U patent/CN214380963U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113938536A (en) * | 2021-11-04 | 2022-01-14 | 上海海能汽车电子有限公司 | Multi-protocol multi-connection mode commercial vehicle fault diagnosis instrument adapter |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 |