CN202547684U - Freescale microprocessor-based general automobile meter detection device - Google Patents
Freescale microprocessor-based general automobile meter detection device Download PDFInfo
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- CN202547684U CN202547684U CN2012202273461U CN201220227346U CN202547684U CN 202547684 U CN202547684 U CN 202547684U CN 2012202273461 U CN2012202273461 U CN 2012202273461U CN 201220227346 U CN201220227346 U CN 201220227346U CN 202547684 U CN202547684 U CN 202547684U
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Abstract
The utility model relates to a Freescale microprocessor-based general automobile meter detection device, and belongs to the fields of instruments and meters. By the Freescale microprocessor-based general automobile meter detection device, the problem of the conventional meter detection platform is solved. The Freescale microprocessor-based general automobile meter detection device comprises a Freescale microprocessor, a power supply processing circuit, an input instruction keyboard, an integrated circuit (IC) card access module, a computer serial communication module, a liquid crystal display screen, a controller area network (CAN) bus communication module, a local interconnect network (Lin) bus communication module, a frequency signal output module and a resistance signal output module, wherein the power supply processing circuit is used for supplying direct current; the input instruction keyboard is used for inputting instructions; the IC card access module is used for reading the information of an IC card; the Freescale microprocessor is connected with a computer by the computer serial communication module; the liquid crystal display screen is used for displaying; the CAN bus communication module, the Lin bus communication module, the frequency signal output module and the resistance signal output module are used for outputting a test signal.
Description
Technical field
The utility model relates to the General Motors instrument pick-up unit based on the Freescale microprocessor, belongs to instrument field.
Background technology
For different types of instrument, existing instrument monitor station uses each parameter of artificial manual adjustment, wastes time and energy, and fallibility is bigger during the adjustment parameter.
Existing instrument monitor station does not possess debug function, can only carry out conventional func to instrument and detect, and can not change the gauge internal parameter.
Existing instrument monitor station volume is bigger, is inconvenient to store transportation and use.
Existing instrument monitor station adopts toggle switch to carry out the input signal operation, and long-time the use easily of toggle switch damaged, and reliability is low.
Existing instrument monitor station does not have the communication interface with computing machine, and human-computer interaction interface is friendly inadequately, and detection efficiency is lower.
Existing instrument monitor station does not have CAN bus communication module, when needing the CAN bus signals, needs to connect in addition other CAN bus checkout equipments, and the lengthy and tedious complicacy of detection method is unfavorable for the production and processing operation.
Summary of the invention
The utility model purpose is in order to solve the problem that existing instrument monitor station exists, a kind of General Motors instrument pick-up unit based on the Freescale microprocessor to be provided.
The said General Motors instrument pick-up unit of the utility model based on the Freescale microprocessor; It comprises Freescale microprocessor, power supply processing circuit, input instruction keyboard, IC-card access module, computer serial communication module, LCDs, CAN bus communication module, Lin bus communication module, frequency signal output module and resistance signal output module
The power input of Freescale microprocessor links to each other with the DC output end of power supply processing circuit,
The instruction input end of Freescale microprocessor links to each other with the instruction output end of input instruction keyboard,
The IC-card information input terminal of Freescale microprocessor links to each other with the IC-card information output of IC-card access module,
The serial communication port of Freescale microprocessor links to each other with the input/output terminal of computer serial communication module,
The demonstration output terminal of Freescale microprocessor links to each other with the input end of LCDs,
The CAN bus signals output terminal of Freescale microprocessor links to each other with the CAN bus signals input end of CAN bus communication module,
The Lin bus signals output terminal of Freescale microprocessor links to each other with the Lin bus signals input end of Lin bus communication module,
The frequency signal output terminal of Freescale microprocessor links to each other with the frequency signal input end of frequency signal output module,
The resistance signal output terminal of Freescale microprocessor links to each other with the resistance signal input end of resistance signal output module.
The advantage of the utility model:
1, the described instrument pick-up unit of the utility model uses different IC-cards to detect for different types of instrument, and the parameter value of instrument is stored in the IC-card in advance, need not adjust manually, has stopped the fallibility of artificial adjustment parameter.
2, the described instrument pick-up unit of the utility model has debug function, communicates through LIN bus communication module and instrument, revises the gauge internal parameter easily.
3, the described instrument pick-up unit of the utility model is optimized the monitor station structural design, adopts integrated module, reduces discrete component and uses, and at utmost reduces monitor station physical dimension.
4, the described instrument pick-up unit of the utility model adopts computor-keyboard to carry out the input signal operation, uses the key mode of computor-keyboard to replace original toggle switch mode, and computor-keyboard is more durable, and reliability is high.
5, the described instrument pick-up unit of the utility model adopts serial ports and computing machine to communicate, and uses Microsoft VC++ design upper computer detection interface, makes human-computer interaction interface friendly more, improves detection efficiency.
6, the integrated CAN bus communication of the described instrument pick-up unit of the utility model module can be carried out the operation of CAN bus signals easily, simplifies testing process, improves detection efficiency.
Description of drawings
Fig. 1 is the structural representation of the said General Motors instrument pick-up unit based on the Freescale microprocessor of the utility model.
Embodiment
Embodiment one: this embodiment is described below in conjunction with Fig. 1; The said General Motors instrument pick-up unit of this embodiment based on the Freescale microprocessor; It comprises Freescale microprocessor 1, power supply processing circuit 2, input instruction keyboard 3, IC-card access module 4, computer serial communication module 5, LCDs 6, CAN bus communication module 7, Lin bus communication module 8, frequency signal output module 9 and resistance signal output module 10
The power input of Freescale microprocessor 1 links to each other with the DC output end of power supply processing circuit 2,
The instruction input end of Freescale microprocessor 1 links to each other with the instruction output end of input instruction keyboard 3,
The IC-card information input terminal of Freescale microprocessor 1 links to each other with the IC-card information output of IC-card access module 4,
The serial communication port of Freescale microprocessor 1 links to each other with the input/output terminal of computer serial communication module 5,
The demonstration output terminal of Freescale microprocessor 1 links to each other with the input end of LCDs 6,
The CAN bus signals output terminal of Freescale microprocessor 1 links to each other with the CAN bus signals input end of CAN bus communication module 7,
The Lin bus signals output terminal of Freescale microprocessor 1 links to each other with the Lin bus signals input end of Lin bus communication module 8,
The frequency signal output terminal of Freescale microprocessor 1 links to each other with the frequency signal input end of frequency signal output module 9,
The resistance signal output terminal of Freescale microprocessor 1 links to each other with the resistance signal input end of resistance signal output module 10.
Adopt microprocessor centralized control principle, peripheral each module of controlling and driving, realize each item function that will accomplish.
IC-card access module 4 is used for pick-up unit reading IC-card.Each instrument to be detected is used one's own IC-card, and the instrument parameter of this instrument to be detected of storage in this IC-card when detecting different instrument, only needs to change different IC-cards and gets final product.
The detection signal of CAN bus communication module 7, Lin bus communication module 8, frequency signal output module 9 and 10 outputs of resistance signal output module is given instrument to be detected, has in detecting its each item function.
Freescale microprocessor 1 links to each other with computing machine through computer serial communication module 5, can use Microsoft VC++ design upper computer detection interface, makes human-computer interaction interface friendly more.
Embodiment two: this embodiment is described further embodiment one, and it also comprises reometer 11 and voltage table 12, and reometer 11 is used to measure the electric current of instrument to be detected, and voltage table 12 is used to measure the voltage of instrument to be detected.
The monitoring monitor station is to the input voltage of measuring instrument in real time for voltage table 12, and reometer 11 monitoring monitor station in real time guarantees correct to input voltage, the electric current of instrument to the input current of measuring instrument.
Embodiment three: this embodiment is described further embodiment one or two, and power supply processing circuit 2 is the AC/DC translation circuit.
The DC voltage that power supply processing circuit 2 becomes Freescale microprocessor 1 to use the alternating current 220V voltage transitions.
Claims (3)
1. based on the General Motors instrument pick-up unit of Freescale microprocessor; It is characterized in that; It comprises Freescale microprocessor (1), power supply processing circuit (2), input instruction keyboard (3), IC-card access module (4), computer serial communication module (5), LCDs (6), CAN bus communication module (7), Lin bus communication module (8), frequency signal output module (9) and resistance signal output module (10)
The power input of Freescale microprocessor (1) links to each other with the DC output end of power supply processing circuit (2),
The instruction input end of Freescale microprocessor (1) links to each other with the instruction output end of input instruction keyboard (3),
The IC-card information input terminal of Freescale microprocessor (1) links to each other with the IC-card information output of IC-card access module (4),
The serial communication port of Freescale microprocessor (1) links to each other with the input/output terminal of computer serial communication module (5),
The demonstration output terminal of Freescale microprocessor (1) links to each other with the input end of LCDs (6),
The CAN bus signals output terminal of Freescale microprocessor (1) links to each other with the CAN bus signals input end of CAN bus communication module (7),
The Lin bus signals output terminal of Freescale microprocessor (1) links to each other with the Lin bus signals input end of Lin bus communication module (8),
The frequency signal output terminal of Freescale microprocessor (1) links to each other with the frequency signal input end of frequency signal output module (9),
The resistance signal output terminal of Freescale microprocessor (1) links to each other with the resistance signal input end of resistance signal output module (10).
2. according to the said General Motors instrument pick-up unit of claim 1 based on the Freescale microprocessor; It is characterized in that; It also comprises reometer (11) and voltage table (12), and reometer (11) is used to measure the electric current of instrument to be detected, and voltage table (12) is used to measure the voltage of instrument to be detected.
3. according to the said General Motors instrument pick-up unit of claim 1, it is characterized in that power supply processing circuit (2) is the AC/DC translation circuit based on the Freescale microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202273461U CN202547684U (en) | 2012-05-21 | 2012-05-21 | Freescale microprocessor-based general automobile meter detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202273461U CN202547684U (en) | 2012-05-21 | 2012-05-21 | Freescale microprocessor-based general automobile meter detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644932A (en) * | 2013-12-15 | 2014-03-19 | 柳州航盛科技有限公司 | Universal automobile combination instrument function detection device |
| CN104236614A (en) * | 2014-09-02 | 2014-12-24 | 延锋伟世通电子科技（上海）有限公司 | Method and device for detecting durability of vehicle-mounted CAN bus type automobile dashboard |
| CN104748781A (en) * | 2015-04-22 | 2015-07-01 | 航天科技控股集团股份有限公司 | Car instrument testing platform test parameter setting method |
| CN104913804A (en) * | 2015-06-26 | 2015-09-16 | 武汉光庭科技有限公司 | Product detection method and information analysis and excitation generation box |
| CN112498109A (en) * | 2020-12-08 | 2021-03-16 | 航天科技控股集团股份有限公司 | XHY 256-based combination meter |
-
2012
- 2012-05-21 CN CN2012202273461U patent/CN202547684U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644932A (en) * | 2013-12-15 | 2014-03-19 | 柳州航盛科技有限公司 | Universal automobile combination instrument function detection device |
| CN103644932B (en) * | 2013-12-15 | 2016-05-25 | 柳州航盛科技有限公司 | General automobile combination instrument function detection equipment |
| CN104236614A (en) * | 2014-09-02 | 2014-12-24 | 延锋伟世通电子科技（上海）有限公司 | Method and device for detecting durability of vehicle-mounted CAN bus type automobile dashboard |
| CN104236614B (en) * | 2014-09-02 | 2018-05-25 | 延锋伟世通电子科技（上海）有限公司 | The method and apparatus for detecting vehicle-mounted CAN bus type automobile instrument endurance quality |
| CN104748781A (en) * | 2015-04-22 | 2015-07-01 | 航天科技控股集团股份有限公司 | Car instrument testing platform test parameter setting method |
| CN104913804A (en) * | 2015-06-26 | 2015-09-16 | 武汉光庭科技有限公司 | Product detection method and information analysis and excitation generation box |
| CN112498109A (en) * | 2020-12-08 | 2021-03-16 | 航天科技控股集团股份有限公司 | XHY 256-based combination meter |
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Granted publication date: 20121121 Termination date: 20150521 |
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