CN203275589U - Test system based on CAN bus - Google Patents
Test system based on CAN bus Download PDFInfo
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- CN203275589U CN203275589U CN 201320205125 CN201320205125U CN203275589U CN 203275589 U CN203275589 U CN 203275589U CN 201320205125 CN201320205125 CN 201320205125 CN 201320205125 U CN201320205125 U CN 201320205125U CN 203275589 U CN203275589 U CN 203275589U
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Abstract
The utility model belongs to the technical field of circuit board tests, and discloses a test system based on a CAN bus. The test system based on the CAN bus includes a touch screen module, a master control module and a plurality of expansion modules, wherein the touch screen module and the master control module are mutually connected and perform data interaction through an RS232; and the master control module and the expansion modules are mutually connected and perform data interaction through the CAN bus. The test system based on the CAN bus adopts a modularized composition form, takes the master control module and the center, and uses the master control module to control operation states of other expansion modules; the system can be operated without a PC (personal computer), can be cut and spliced and assembled flexibly; and the modules are connected with each other by using the CAN bus and are convenient for connection, and thus the data transmission can be reliably performed at a high speed.
Description
Technical field
The utility model belongs to the circuit board detecting technical field, relates in particular to a kind of test macro based on the CAN bus.
Background technology
Circuit board testing system refers under the control of computing machine, the general designation of the type systematic that can automatically complete record, measurement, data processing, show or output test result.Circuit board testing is used for completing the performance test to tested Pcb, according to analysis of test results, also can be expanded into diagnostic system to diagnosis and the location of fault.The various features such as the circuit board testing test macro has at a high speed, high precision, multi-functional, multiparameter and Wide measuring range.What yet existing circuit board testing system adopted mostly is the unit control model, has the defective that inconvenience was fixed and safeguarded to capacity.
The utility model content
In order to solve the problems of the technologies described above, the purpose of this utility model be to provide a kind of applied widely, have extensibility, interchangeability based on the test macro of CAN bus.
Complete skill scheme of the present utility model is that a kind of test macro based on the CAN bus comprises a touch screen module, a main control module and some expansion modules.
Described touch screen module is connected by RS232 with described main control module and carries out data interaction; Described main control module is connected by the CAN bus with described expansion module and carries out data interaction.
Described touch screen module comprises a power port and a communication port, and described power port is used for powering, and described communication port is RS232, is used for communicating by letter with main control module.
Described main control module comprises power port, CAN port, RS232 port, SD draw-in groove, DIO port, and described power port is in order to give module for power supply; Described CAN port is used for communicating by letter with expansion module, and described RS232 port is used for communicating by letter with touch screen module; Described SD draw-in groove is placed the SD card, is used for storing testing procedure; Described DIO port is the Transistor-Transistor Logic level input/output port.
Described expansion module comprises power port, CAN port and expanded function district, and described power port and CAN port are used for respectively power supply and communicating by letter; Described expanded function district has different functions as required, and expanded function can be: DI(digital quantity input), the DO(digital output), the ADC(analog to digital conversion), the DAC(digital-to-analog conversion), the Relay(relay), 2W measure(two lines measure), 4W measure(four-wire measurement), printer, barcode scanner etc.
The utility model compared with prior art has following beneficial effect:
The utility model provides a kind of test macro based on the CAN bus, adopts the Modular structure form, centered by main control module, and the running status of other expansion modules of master control module controls.System can move by PC, but the cutting splicing, and assembling is flexibly; Each module uses the CAN bus to be connected, and easy to connect, data transmission is reliable.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, consists of the application's a part, does not consist of to improper restriction of the present utility model, in the accompanying drawings:
Fig. 1 is structural framing figure of the present utility model.
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the utility model in this illustrative examples of the present utility model and explanation, but not as to restriction of the present utility model.
The present embodiment provides a kind of test macro based on the CAN bus, as shown in Figure 1, comprises a touch screen module 1, main control module 2 and some expansion modules 3, and described touch screen module 1 is connected by RS232 with described main control module 2 and carries out data interaction; Described main control module 2 is connected by the CAN bus with described expansion module 3 and carries out data interaction.
Described touch screen module 1 comprises a power port 4 and a communication port 5, and described power port 4 is used for powering, and described communication port 5 is RS232, is used for communicating by letter with main control module 2.
Described main control module 2 comprises power port 6, CAN port 7, RS232 port 8, SD draw-in groove 9, DIO port one 0, and described power port 6 is in order to give module for power supply; Described CAN port 7 is used for communicating by letter with expansion module, and described RS232 port 8 is used for communicating by letter with touch screen module 1; Described SD draw-in groove 9 is placed the SD card, is used for storing testing procedure; Described DIO port one 0 is the Transistor-Transistor Logic level input/output port.
Described expansion module 3 comprises power port 11, CAN port one 2 and expanded function district 13, and described power port 11 and CAN port one 2 are used for respectively power supply and communicating by letter; Described expanded function district 13 has different functions as required, and expanded function can be: DI(digital quantity input), the DO(digital output), the ADC(analog to digital conversion), the DAC(digital-to-analog conversion), the Relay(relay), 2W measure(two lines measure), 4W measure(four-wire measurement), printer, barcode scanner etc.
The utility model adopts the Modular structure form, and centered by main control module 2, main control module 2 is controlled the running status of other expansion modules 3.System can move by PC, but the cutting splicing, and assembling is flexibly; Each module uses the CAN bus to be connected, and easy to connect, data transmission is reliable.
The above technical scheme that the utility model embodiment is provided is described in detail, used specific case herein principle and the embodiment of the utility model embodiment are set forth, the explanation of above embodiment is only applicable to help to understand the principle of the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, all will change on embodiment and range of application, in sum, this description should not be construed as restriction of the present utility model.
Claims (3)
1. the test macro based on the CAN bus, comprise a touch screen module, a main control module and some expansion modules, it is characterized in that: described touch screen module is connected by RS232 with described main control module and carries out data interaction; Described main control module is connected by the CAN bus with described expansion module and carries out data interaction; The CAN port that described main control module comprises power port to module for power supply, be used for communicate by letter with expansion module, the RS232 port that is used for communicate by letter with touch screen module, be used for placement store testing procedure the SD card the SD draw-in groove and as the DIO port of Transistor-Transistor Logic level input/output port.
2. a kind of test macro based on the CAN bus according to claim 1 is characterized in that: described touch screen module comprises a power port that is used for powering and one and is used for the RS232 communication port of communicating by letter with main control module.
3. the described a kind of test macro based on the CAN bus of any one according to claim 1 and 2 is characterized in that: described expansion module comprises power port, CAN port and expanded function district, and described power port and CAN port are used for respectively power supply and communicating by letter; Described expanded function district has different functions as required, and expanded function can be: digital quantity input, DO digital output, ADC analog to digital conversion, DAC digital-to-analog conversion, Relay relay, 2W measure two line measurements, 4W measure four-wire measurement, printer, barcode scanner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320205125 CN203275589U (en) | 2013-04-22 | 2013-04-22 | Test system based on CAN bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320205125 CN203275589U (en) | 2013-04-22 | 2013-04-22 | Test system based on CAN bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203275589U true CN203275589U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320205125 Expired - Fee Related CN203275589U (en) | 2013-04-22 | 2013-04-22 | Test system based on CAN bus |
Country Status (1)
| Country | Link |
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| CN (1) | CN203275589U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235253A (en) * | 2013-04-22 | 2013-08-07 | 南京同尔电子科技有限公司 | Testing system on basis of CAN (Controller Area Network) buses |
| CN107608334A (en) * | 2017-09-07 | 2018-01-19 | 国营芜湖机械厂 | Control panel portable detector in certain a kind of type digital communication part |
-
2013
- 2013-04-22 CN CN 201320205125 patent/CN203275589U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235253A (en) * | 2013-04-22 | 2013-08-07 | 南京同尔电子科技有限公司 | Testing system on basis of CAN (Controller Area Network) buses |
| CN107608334A (en) * | 2017-09-07 | 2018-01-19 | 国营芜湖机械厂 | Control panel portable detector in certain a kind of type digital communication part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20210422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |