CN203366071U - Test board card for numerical control system - Google Patents
Test board card for numerical control system Download PDFInfo
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- CN203366071U CN203366071U CN2013203541471U CN201320354147U CN203366071U CN 203366071 U CN203366071 U CN 203366071U CN 2013203541471 U CN2013203541471 U CN 2013203541471U CN 201320354147 U CN201320354147 U CN 201320354147U CN 203366071 U CN203366071 U CN 203366071U
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- test board
- control system
- interface
- control unit
- board card
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model discloses a test board card for a numerical control system. The test board card comprises a central controller and a power conversion circuit. The central controller is connected electrically to an external numerical control system respectively via a motor input module, a spindle encoder, a hand wheel encoder, a spindle interface, a serial communication module, a digital signal input interface and a digital signal output interface. The test board card is simple in structure and easy in installation, need not be installed on a machine tool during testing and reduces the burdens of testing personnel; the testing process is simple and less demanding on the technical level of the testing personnel; the test board card is easy to expand, with good stability and scalability; the design of the test board card also reflects the universal and modular concepts and for different interface signals, only slight changes are required to meet the testing requirements for interface signal measurement; and the test board card improves testing efficiency and accuracy, expands the range of application and meets the needs of practical application.
Description
Technical field
The utility model relates to test board field, relates in particular to a kind of digital control system test board.
Background technology
Along with manufacturing fast development, the especially widespread use in the commercial production various aspects as the numerically-controlled machine of development of modern industry important symbol, corresponding test control technology is also constantly advancing with it.And usually there are some factors of instability in digital control system as the core of numerically-controlled machine, in particular cases also may cause the damage of lathe.So, before being applied to actual production, the performance of Design of CNC System element circuit and each interface signal are carried out to the real-time testing link that is absolutely necessary, in order to can normally use in the future on lathe.Traditional digital control system testing scheme is divided into two kinds: a kind of scheme is direct test, mount the system on the numerical control device of interface kit and repeatedly test, but the cost of numerical control device is higher, also there are some labile factors in digital control system in the real-world operation process simultaneously, to equipment operation debugging work, makes troubles; Another kind of scheme is a kind of simple manual test device of design, mostly need the testing tools such as multimeter, oscillograph to carry out fault detect to its corresponding module, this mode is due to the technical capability that greatly relies on the slip-stick artist, some human factors also can affect the accuracy of test result, and can't form extensive flow process operation, efficiency is comparatively low.
The utility model content
The utility model provides a kind of digital control system test board, each interface signal that this digital control system test board cartoon is crossed digital control system carries out fast detecting, has improved testing efficiency and test accuracy, has enlarged the scope of application, met the needs in the practical application, described below:
A kind of digital control system test board, comprise: central control unit and power-switching circuit, described central control unit is electrically connected to outside digital control system respectively by motor load module, spindle encoder, handwheel scrambler, main shaft interface, serial communication module, digital signal input interface and digital signal output interface.
Described test board also comprises: the 3rd single-ended transfer difference circuit, described motor load module is connected with described central control unit through described the 3rd single-ended transfer difference circuit.
Described test board also comprises: the first single-ended transfer difference circuit and the second single-ended transfer difference circuit, and described central control unit is connected with described spindle encoder by described the first single-ended transfer difference circuit; Described central control unit is connected with described handwheel scrambler by described the second single-ended transfer difference circuit.
Described test board also comprises: bleeder circuit, described main shaft interface is connected with the analog/digital conversion interface of described central control unit by described bleeder circuit again.
Described serial communication module is: the RS232 serial line interface.
Described test board also comprises: the first photoisolator and the second photoisolator, and described digital signal input interface is connected with described central control unit by described the second photoisolator; Described digital signal output interface is connected with described central control unit by described the first photoisolator.
The beneficial effect of the technical scheme that the utility model provides is: this test board card structure is simple, easy for installation, during test, does not need to be installed on lathe, has alleviated tester's burden; Testing process is simple, less demanding to tester's technical merit; Be easy to expansion, there is good stability and upgradability; And the design indicates of test board universalization and modular theory, for different interface signals, only need to change a little the requirement that just can meet lathe docking port signal testing; Improve testing efficiency and test accuracy, enlarged the scope of application, met the needs in the practical application.
The accompanying drawing explanation
The structural representation that Fig. 1 is a kind of digital control system test board.
In accompanying drawing, the list of parts of each label representative is as follows:
1: central control unit; 2: the motor load module;
3: spindle encoder; 4: the handwheel scrambler;
5: the main shaft interface; 6: serial communication module;
7: the digital signal input interface; 8: the digital signal output interface;
9: power-switching circuit; 10: bleeder circuit;
11: the first single-ended transfer difference circuit; 12: the second single-ended transfer difference circuit;
13: the first photoisolators; 14: the second photoisolators;
15: the three single-ended transfer difference circuit; 16: digital control system.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below the utility model embodiment is described in further detail.
Referring to Fig. 1, digital control system test board comprises: central control unit 1 and peripheral circuit thereof (generally including clock circuit, reset circuit and configuration circuit), central control unit 1 is electrically connected to outside digital control system 16 respectively by motor load module 2, spindle encoder 3, handwheel scrambler 4, main shaft interface 5, serial communication module 6, digital signal input interface 7 and digital signal output interface 8, also is included as the power-switching circuit 9 that above-mentioned device provides power supply.
During practical application, central control unit 1 is complementary with the model of digital control system 16, for example: be all the device of STM32 series.Motor load module 2 is the interface that digital control system 16 is connected with driver element, and each motor load module 2 comprises impulse movement code signal, driver element alerting signal, the servo enable signal of CNC system.In the impulse movement code signal, pulse signal, direction signal, these three groups of signals of index signal are differential signal.
For the test board, pulse, direction signal belong to input signal, after the difference shaping of the 3rd single-ended transfer difference circuit 15, are converted into single-ended signal, then with central control unit 1, are connected; Index signal belongs to output signal, through being converted into differential signal, with digital control system 16, is connected again; Enable signal belongs to input signal, and alerting signal belongs to output signal, is single-ended signal, through light-coupled isolation, with central control unit 1, is connected.
Wherein, main shaft interface 5 is output as independently two-way analog quantity voltage output, because output voltage range is 0～10V, when digital control system and central control unit are STM series, the input voltage of STM32 pin is 3.3V, therefore by bleeder circuit 10, the main shaft output voltage is carried out being connected with the analog/digital conversion interface of central control unit 1 after dividing potential drop again.
For whole test board, the code device signal of spindle encoder 3 and handwheel scrambler 4 belongs to output signal, and be differential signal, central control unit 1 respectively by the first single-ended transfer difference circuit 11 with spindle encoder 3, with handwheel scrambler 4, be connected after the second single-ended transfer difference circuit 12 is converted to differential signal.
In a preferred embodiment, due to close together between digital control system 16 and test board, therefore serial communication module 6 adopts the RS232 serial line interface.
In practical application, during the normal operation of test board, need three kinds of supply voltages, be respectively 3.3V, 5V, 24V, therefore, in design, must carry out the conversion between level, power-switching circuit 9 adopts the power interface of standard for this reason, input voltage is 5V, and output is divided into three tunnels.
Digital signal input interface 7 comprises that the special-purpose input interface of lathe and universal input interface, digital signal output interface 8 are general output interface, in order to realize the coupling between power supply, digital signal input interface 7 is connected with central control unit 1 with the second photoisolator 14 by the first photoisolator 13 respectively with digital signal output interface 8.
The utility model adopts the method for designing of function modoularization, according to each functional interface, divides, and adopts the real-time parallel control mode, can meet the request for utilization of different machine tool structures.As STM32 during as central control unit 1, each that is equipped with digital control system 16 receives and output channel, has serial communication function.Digital control system 16 is crossed each interface with the test board cartoon and is connected, and realizes the information transmission by serial communication module 6.In test process, digital control system 16 will be controlled data and send to the test board, control and analyzing and processing that central control unit 1 is realized each interface signal, make respective reaction, and result is sent to digital control system 16 by serial communication module 6, after judgement, whether normally finally on the screen of digital control system 16, show test results.
The power supply of test board can also can be used respectively with the power sharing of digital control system 16, but guarantee that they are powered together and cut off the power supply, when digital control system 16 is tested, test board and digital control system 16 are carried out the information transmission, send data by digital control system 16 and decide testing process, the first byte sent is used for notice test board and starts to be tested, which kind of interface signal of distinguishing tests be the second byte.Digital control system 16 test whether normal is all that the TFT screen by digital control system 16 shows, and what test TFT screen display in normal situation is black font, and if any abnormal respective items demonstration is red font.
The workflow of this digital control system test board of the following detailed description:
After test board and digital control system 16 power on, at first to each port initialization, configurable clock generator, GPIO, serial ports, interruption is set, digital control system 16 sends data by serial ports to the test board, after board is received data, if first byte is 0xFA, what digital control system 16 transmissions were described is test signal, then judge which kind of interface signal of test by receiving second byte, handle it, send data to digital control system 16, whether digital control system 16 is normal at this interface signal of TFT screen display through judgement, then carry out the test of next signal, all real-time information and test result are finally all shielded and are shown to the tester by TFT.
The utility model embodiment to the model of each device except do specified otherwise, the model of other devices does not limit, as long as can complete the device of above-mentioned functions, all can.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a digital control system is tested board, comprise: central control unit and power-switching circuit, it is characterized in that, described central control unit is electrically connected to outside digital control system respectively by motor load module, spindle encoder, handwheel scrambler, main shaft interface, serial communication module, digital signal input interface and digital signal output interface.
2. a kind of digital control system test board according to claim 1, is characterized in that, described test board also comprises: the 3rd single-ended transfer difference circuit,
Described motor load module is connected with described central control unit through described the 3rd single-ended transfer difference circuit.
3. a kind of digital control system test board according to claim 1, is characterized in that, described test board also comprises: the first single-ended transfer difference circuit and the second single-ended transfer difference circuit,
Described central control unit is connected with described spindle encoder by described the first single-ended transfer difference circuit; Described central control unit is connected with described handwheel scrambler by described the second single-ended transfer difference circuit.
4. a kind of digital control system test board according to claim 1, is characterized in that, described test board also comprises: bleeder circuit,
Described main shaft interface is connected with the analog/digital conversion interface of described central control unit by described bleeder circuit again.
5. a kind of digital control system test board according to claim 1, is characterized in that, described serial communication module is: the RS232 serial line interface.
6. a kind of digital control system test board according to claim 1, is characterized in that, described test board also comprises: the first photoisolator and the second photoisolator,
Described digital signal input interface is connected with described central control unit by described the second photoisolator; Described digital signal output interface is connected with described central control unit by described the first photoisolator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203541471U CN203366071U (en) | 2013-06-19 | 2013-06-19 | Test board card for numerical control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203541471U CN203366071U (en) | 2013-06-19 | 2013-06-19 | Test board card for numerical control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203366071U true CN203366071U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203541471U Expired - Fee Related CN203366071U (en) | 2013-06-19 | 2013-06-19 | Test board card for numerical control system |
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| CN (1) | CN203366071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318751A (en) * | 2017-01-16 | 2018-07-24 | 大陆汽车电子(芜湖)有限公司 | Meter Test board |
-
2013
- 2013-06-19 CN CN2013203541471U patent/CN203366071U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318751A (en) * | 2017-01-16 | 2018-07-24 | 大陆汽车电子(芜湖)有限公司 | Meter Test board |
| CN108318751B (en) * | 2017-01-16 | 2020-12-04 | 大陆汽车车身电子系统（芜湖）有限公司 | Board card for instrument test |
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| 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: 20131225 Termination date: 20150619 |
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| EXPY | Termination of patent right or utility model |