CN103760894A - Full-automatic test system of numerical control system - Google Patents
Full-automatic test system of numerical control system Download PDFInfo
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- CN103760894A CN103760894A CN201410036120.7A CN201410036120A CN103760894A CN 103760894 A CN103760894 A CN 103760894A CN 201410036120 A CN201410036120 A CN 201410036120A CN 103760894 A CN103760894 A CN 103760894A
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Abstract
The invention relates to a numerical control system and discloses a full-automatic test system of the numerical control system. The full-automatic test system of the numerical control system comprises a test circuit board and a tested device connected with the test circuit board. A general input and output interface test circuit, a servo driver and main shaft encoder interface test circuit and a servo driver and hand-cranking encoder interface test circuit are arranged on the test circuit board. According to the full-automatic test system of the numerical control system, test operation can be performed without special test personnel any more, the test process is fully automatic, all the functions of the numerical control system can be tested, for example, the hardware functions of a numerical control system input and output interface, a servo driver interface, a main shaft encoder interface and a hand-cranking encoder interface are tested; in addition, after the full-automatic test system is matched with special test software operating in the numerical control system, a test result can be automatically displayed, abnormal functions are analyzed, and the most possible fault source is given.
Description
Technical field
The present invention relates to digital control system, related in particular to a kind of digital control system full-automatic test system.
Background technology
Digital control system has very high requirement to the reliability and stability of product, existing numerical control products method of testing is all based on automanual test platform, use special-purpose testing apparatus, and this testing apparatus in use, also need to coordinate tester's manual operations, realize the test to digital control system.The test coverage of the method and accuracy rate still rely on tester's quality and skill level, cause its testing efficiency lower.Therefore need to research and develop a kind of use does not need that people participates in, full-automatic testing apparatus completely, improves testing efficiency, test coverage and accuracy rate etc.
Summary of the invention
The object of the present invention is to provide a kind of use not need that people participates in, full-automatic digital control system full-automatic test system completely.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
Digital control system full-automatic test system, comprise testing circuit board and the tested device being connected with testing circuit board, testing circuit board is provided with universal input/output interface test circuit, servo-driver and spindle encoder interface test circuitry and servo-driver and hand-operated encoder interface test circuitry;
Whether universal input/output interface test circuit is normal for testing the function of general input/output port of tested device;
Servo-driver and spindle encoder interface test circuitry are used for testing the servo-driver interface of tested device and whether the function of spindle encoder is normal;
Servo-driver and hand-operated encoder interface test circuitry are used for testing the servo-driver interface of tested device and whether the function of hand-operated encoder is normal;
Universal input/output interface test circuit comprises universal input interface and the general output interface connecting together with universal input interface direct, servo-driver and spindle encoder interface test circuitry comprise the pulse input interface of the first pulse output interface of servo-driver and the first pulse output interface with the servo-driver spindle encoder together with direct-connected, servo-driver and hand-operated encoder interface test circuitry comprise the pulse input interface of the second pulse output interface of servo-driver and the second pulse output interface with the servo-driver hand-operated encoder together with direct-connected.
As preferably, tested device back is provided with the first pulse output interface of universal input interface, general output interface, servo-driver, the second pulse output interface of servo-driver, the pulse input interface of spindle encoder and the pulse input interface of hand-operated encoder interface one to one, and the interface in tested device is all by connection cable and interface on testing circuit board corresponding being connected one by one.
As preferably, universal input interface and general output interface have 25 pins respectively, the pin of universal input interface first row from top to bottom respectively label be 1 to 13, universal input interface second row pin from top to bottom respectively label be 14 to 25, the pin of general output interface first row from top to bottom respectively label be 14 to 25, general output interface second row pin from top to bottom respectively label be 1 to 13, two pins that label is 14 on universal input interface and general output interface, two pins that label is 2, two pins that label is 3, two pins that label is 16, two pins that label is 17, two pins that label is 5, two pins that label is 6, two pins that label is 19, two pins that label is 20, two pins that label is 8, two pins that label is 9, two pins that label is 22, two pins that label is 23, two pins that label is 11, two pins that label is 12, two all parallel connections between two of pin that label is 25, the rear power supply that is 24V with voltage again with pull-up resistor series connection in parallel is connected.
As preferably, the pulse input interface of spindle encoder has 9 pin, the pin of the pulse input interface first row of spindle encoder from top to bottom respectively label be 1 to 5, the pulse input interface second row pin of spindle encoder from top to bottom respectively label be 6 to 9, the first pulse output interface of servo-driver has 15 pin, the pin of the first pulse output interface first row of servo-driver from top to bottom respectively label be 9 to 15, the first pulse output interface second row pin of servo-driver from top to bottom respectively label be 1 to 8, the pin that wherein the first pulse output interface label of servo-driver is 6 is connected with the pin that the pulse input interface label of spindle encoder is 2, the pin that the first pulse output interface label of servo-driver is 14 is connected with the pin that the pulse input interface label of spindle encoder is 6, the pin that the first pulse output interface label of servo-driver is 15 is connected with the pin that the pulse input interface label of spindle encoder is 7, the pin that the first pulse output interface label of servo-driver is 8 is connected with the pin that the pulse input interface label of spindle encoder is 3.
As preferably, the pin that is 5 with label again after being connected with pull-up resistor after the pin parallel connection that the pin that the first pulse output interface label of servo-driver is 9 is 11 with label is connected, and the pin that label is 3 is connected with the pin that label is 11.
As preferably, the second pulse output interface of servo-driver has 15 pin, the pin of the second pulse output interface first row of servo-driver from top to bottom respectively label be 9 to 15, the second pulse output interface second row pin of servo-driver from top to bottom respectively label be 1 to 8; The pulse input interface of hand-operated encoder has 9 pin, the pin of the pulse input interface first row of hand-operated encoder from top to bottom respectively label be 1 to 5, the pulse input interface second row pin of hand-operated encoder from top to bottom respectively label be 6 to 9; The pin that the second pulse output interface label of servo-driver is 6 is connected with the pin that the pulse input interface label of hand-operated encoder is 2, the pin that the second pulse output interface label of servo-driver is 14 is connected with the pin that the pulse input interface label of hand-operated encoder is 7, the pin that the second pulse output interface label of servo-driver is 15 is connected with the pin that the pulse input interface label of hand-operated encoder is 3, and the pin that the second pulse output interface label of servo-driver is 8 is connected with the pin that the pulse input interface label of hand-operated encoder is 8.
As preferably, the pin that is 5 with label again after being connected with pull-up resistor after the pin parallel connection that the pin that the second pulse output interface label of servo-driver is 9 is 11 with label is connected, and the pin that label is 3 is connected with the pin that label is 11.
Interface on testing circuit board of the present invention is all together direct-connected between two, for every a pair of direct-connected interface together, the electrical specification of its input and output is compatible, therefore in the time of a signal of digital control system output, testing circuit board can receive this signal, by coordinating corresponding testing software, can test out corresponding output, input signal to whether working properly, if the fault of existence, testing software can, by the signal breaking down to recording and showing, help maintenance personal to carry out fault analysis so; Use after this automatic testing equipment, no longer need special tester to carry out test operation, test process is full-automatic, not only can test digital control system all functions, for example, realize the hardware capability test to digital control system IO interface, servo-driver interface, spindle encoder interface and hand-operated encoder interface; Coordinate after the special test software moving in digital control system, can also automatically show test results, most probable fault rootstock is analyzed and provided to abnormal function.
Accompanying drawing explanation
Fig. 1 is structural drawing of the present invention.
Fig. 2 is the circuit diagram of the first universal input interface together with direct-connected with the first general output interface.
Fig. 3 is the circuit diagram of the second universal input interface together with direct-connected with the second general output interface.
Fig. 4 is the pulse input interface of spindle encoder and the first pulse output interface of the servo-driver circuit diagram together with direct-connected.
Fig. 5 is the second pulse output interface of servo-driver and the pulse input interface of the hand-operated encoder circuit diagram together with direct-connected.
The toponym that in accompanying drawing, each number designation refers to is as follows: 1-1-testing circuit board wherein, 1-2-the first universal input interface, the general output interface of 1-3-the first, 1-4-the second universal input interface, the general output interface of 1-5-the second, the first pulse output interface of 1-6-servo-driver, the pulse input interface of 1-7-spindle encoder, the second pulse output interface of 1-8-servo-driver, the pulse input interface of 1-9-hand-operated encoder, 1-10-tested device, 1-11-connection cable.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Embodiment 1
Digital control system full-automatic test system, as shown in Figure 1, comprise testing circuit board 1-1 and the tested device 1-10 being connected with testing circuit board 1-1, testing circuit board 1-1 is provided with universal input/output interface test circuit, servo-driver and spindle encoder interface test circuitry and servo-driver and hand-operated encoder interface test circuitry;
Tested device 1-10 is digital control system;
Whether universal input/output interface test circuit is normal for testing the function of general input/output port of tested device 1-10, and universal input/output interface test circuit comprises universal input interface and the general output interface connecting together with universal input interface direct; Its principle is to utilize the universal input interface and the identical feature of general output interface quantity of tested digital control system, directly by general output interface access universal input interface, considers the electrical specification of general output interface simultaneously, is aided with necessary pull-up resistor.Like this, when digital control system is under the control of special test software, in a signal of general output interface output, after test circuit, whether the function that corresponding universal input interface can detect this general output interface is normal.Because universal input interface and general output interface are corresponding one by one in test circuit, thus this process whether also detected universal input interface normal simultaneously.Test result is by being shown in the LCD display of tested digital control system by special test software, for maintenance personal's reference.
Servo-driver and spindle encoder interface test circuitry be for testing the servo-driver interface of tested device 1-10 and whether the function of spindle encoder is normal, and servo-driver and spindle encoder interface test circuitry comprise the pulse input interface 1-7 of the first pulse output interface 1-6 of servo-driver and the first pulse output interface 1-6 with the servo-driver spindle encoder together with direct-connected;
Servo-driver and hand-operated encoder interface test circuitry be for testing the servo-driver interface of tested device 1-10 and whether the function of hand-operated encoder is normal, and servo-driver and hand-operated encoder interface test circuitry comprise the pulse input interface 1-9 of the second pulse output interface 1-8 of servo-driver and the second pulse output interface 1-8 with the servo-driver hand-operated encoder together with direct-connected;
Principle and the work of servo-driver and spindle encoder interface test circuitry and servo-driver and hand-operated encoder interface test circuitry are similar; Its principle is to utilize the electrical specification of pulse input of the pulse output of servo-driver and the pulse input of spindle encoder or hand-operated encoder identical, and the identical feature of digital quantity IO interface of servo-driver.Test circuit is directly connected to the pulse output interface of servo-driver on the pulse input interface 1-7 of spindle encoder or the pulse input interface 1-9 of hand-operated encoder, when digital control system is under the control of special test software, in a pulse signal of pulse output interface output of servo-driver, after test circuit, the pulse input interface 1-9 of the pulse input interface 1-7 of corresponding spindle encoder or hand-operated encoder can detect this pulse signal, judges that thus whether pulse output and input function be normal.Test for the digital quantity IO interface of the pulse output interface of servo-driver, it is the identical feature of digital quantity input and output interface quantity of utilizing the pulse output interface of servo-driver, directly by digital output mouth signal access digital quantity input port, consider the electrical specification of delivery outlet simultaneously, be aided with necessary pull-up resistor, its test philosophy is identical with universal input/output interface test philosophy.Pulse output and input function, and the test result of digital output and input function, by being shown in the LCD display of tested numerical control by special test software, for maintenance personal's reference.
For every a pair of direct-connected interface together, the electrical specification of its input and output is compatible, therefore in the time of a signal of digital control system output, testing circuit board 1-1 can receive this signal, by coordinating corresponding testing software, can test out corresponding output, input signal to whether working properly, if the fault of existence, testing software can, by the signal breaking down to recording and showing, help maintenance personal to carry out fault analysis so.
Tested device 1-10 back is provided with the first pulse output interface 1-6 of universal input interface, general output interface, servo-driver, the second pulse output interface 1-8 of servo-driver, the pulse input interface 1-7 of spindle encoder and the pulse input interface 1-9 of hand-operated encoder interface one to one, and the interface on tested device 1-10 is all by connection cable 1-11 and interface on testing circuit board 1-1 corresponding being connected one by one.
The direct-connected circuit of each interface is specific as follows:
As shown in Figures 2 and 3, universal input interface and general output interface have 25 pins respectively, the pin of universal input interface first row from top to bottom respectively label be 1 to 13, universal input interface second row pin from top to bottom respectively label be 14 to 25, the pin of general output interface first row from top to bottom respectively label be 14 to 25, general output interface second row pin from top to bottom respectively label be 1 to 13, two pins that label is 14 on universal input interface and general output interface, two pins that label is 2, two pins that label is 3, two pins that label is 16, two pins that label is 17, two pins that label is 5, two pins that label is 6, two pins that label is 19, two pins that label is 20, two pins that label is 8, two pins that label is 9, two pins that label is 22, two pins that label is 23, two pins that label is 11, two pins that label is 12, two all parallel connections between two of pin that label is 25, the rear power supply that is 24V with voltage again with pull-up resistor series connection in parallel is connected.Universal input interface comprises the first universal input interface 1-2 and the second universal input interface 1-4, and general output interface comprises the first general output interface 1-3 and the second general output interface 1-5.The common input interface that the first universal input interface 1-2 is servo-driver, the common output interface that the first general output interface 1-3 is servo-driver.The power supply that the pin that the second general output interface 1-5 label is 18 is 24V with voltage is connected.
As shown in Figure 4, the pulse input interface 1-7 of spindle encoder has 9 pin, the pin of the pulse input interface 1-7 first row of spindle encoder from top to bottom respectively label be 1 to 5, the pulse input interface 1-7 second row pin of spindle encoder from top to bottom respectively label be 6 to 9, the first pulse output interface 1-6 of servo-driver has 15 pin, the pin of the first pulse output interface 1-6 first row of servo-driver from top to bottom respectively label be 9 to 15, the first pulse output interface 1-6 second row pin of servo-driver from top to bottom respectively label be 1 to 8, the pin that wherein the first pulse output interface 1-6 label of servo-driver is 6 is connected with the pin that the pulse input interface 1-7 label of spindle encoder is 2, the pin that the first pulse output interface 1-6 label of servo-driver is 14 is connected with the pin that the pulse input interface 1-7 label of spindle encoder is 6, the pin that the first pulse output interface 1-6 label of servo-driver is 15 is connected with the pin that the pulse input interface 1-7 label of spindle encoder is 7, the pin that the first pulse output interface 1-6 label of servo-driver is 8 is connected with the pin that the pulse input interface 1-7 label of spindle encoder is 3.
The pin that is 5 with label again after being connected with pull-up resistor after the pin parallel connection that the pin that the first pulse output interface 1-6 label of servo-driver is 9 is 11 with label is connected, and the pin that label is 3 is connected with the pin that label is 11.
As shown in Figure 5, the second pulse output interface 1-8 of servo-driver has 15 pin, the pin of the second pulse output interface 1-8 first row of servo-driver from top to bottom respectively label be 9 to 15, the second pulse output interface 1-8 second row pin of servo-driver from top to bottom respectively label be 1 to 8, the pulse input interface 1-9 of hand-operated encoder has 9 pin, the pin of the pulse input interface 1-9 first row of hand-operated encoder from top to bottom respectively label be 1 to 5, the pulse input interface 1-9 second row pin of hand-operated encoder from top to bottom respectively label be 6 to 9, the pin that the second pulse output interface 1-8 label of servo-driver is 6 is connected with the pin that the pulse input interface 1-9 label of hand-operated encoder is 2, the pin that the second pulse output interface 1-8 label of servo-driver is 14 is connected with the pin that the pulse input interface 1-9 label of hand-operated encoder is 7, the pin that the second pulse output interface 1-8 label of servo-driver is 15 is connected with the pin that the pulse input interface 1-9 label of hand-operated encoder is 3, the pin that the second pulse output interface 1-8 label of servo-driver is 8 is connected with the pin that the pulse input interface 1-9 label of hand-operated encoder is 8.
The pin that is 5 with label again after being connected with pull-up resistor after the pin parallel connection that the pin that the second pulse output interface 1-8 label of servo-driver is 9 is 11 with label is connected, and the pin that label is 3 is connected with the pin that label is 11.
Pull-up resistor is that resistance is the resistance of 4.7K.
Testing process is as follows:
1, connect after each structure, digital control system powers on.
2, the test special software in operation digital control system.
3, enter after testing software, test starts automatically, once according to three test circuits, start test, first test all-purpose input interface and general output interface, then being the first pulse output interface 1-6 of servo-driver and the pulse input interface 1-7 of spindle encoder, is finally the second pulse output interface 1-8 of servo-driver and the pulse input interface 1-9 of hand-operated encoder.
4,, in automatic testing process, software automatically shows and records the normal and abnormal interface in test, and shows in real time.
5, after three test circuits are completed, the test result of total interface can obtain.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (7)
1. digital control system full-automatic test system, it is characterized in that: comprise testing circuit board (1-1) and the tested device (1-10) being connected with testing circuit board (1-1), testing circuit board (1-1) is provided with universal input/output interface test circuit, servo-driver and spindle encoder interface test circuitry and servo-driver and hand-operated encoder interface test circuitry;
Whether the function of general input/output port that universal input/output interface test circuit is used for testing tested device (1-10) is normal;
Servo-driver and spindle encoder interface test circuitry are used for testing the servo-driver interface of tested device (1-10) and whether the function of spindle encoder is normal;
Servo-driver and hand-operated encoder interface test circuitry are used for testing the servo-driver interface of tested device (1-10) and whether the function of hand-operated encoder is normal;
Universal input/output interface test circuit comprises universal input interface and the general output interface connecting together with universal input interface direct, servo-driver and spindle encoder interface test circuitry comprise the first pulse output interface (1-6) of servo-driver and the pulse input interface (1-7) of the spindle encoder together with the first pulse output interface (1-6) of servo-driver is direct-connected, and servo-driver and hand-operated encoder interface test circuitry comprise the second pulse output interface (1-8) of servo-driver and the pulse input interface (1-9) of the hand-operated encoder together with the second pulse output interface (1-8) of servo-driver is direct-connected.
2. digital control system full-automatic test system according to claim 1, it is characterized in that: tested device (1-10) back is provided with and universal input interface, general output interface, the first pulse output interface (1-6) of servo-driver, the second pulse output interface (1-8) of servo-driver, the pulse input interface (1-7) of spindle encoder and the pulse input interface (1-9) of hand-operated encoder be interface one to one, interface in tested device (1-10) is all by connection cable (1-11) and interface on testing circuit board (1-1) corresponding being connected one by one.
3. digital control system full-automatic test system according to claim 1, it is characterized in that: universal input interface and general output interface have 25 pins respectively, the pin of universal input interface first row from top to bottom respectively label be 1 to 13, universal input interface second row pin from top to bottom respectively label be 14 to 25, the pin of general output interface first row from top to bottom respectively label be 14 to 25, general output interface 3 second row pins from top to bottom respectively label be 1 to 13, two pins that label is 14 on universal input interface and general output interface, two pins that label is 2, two pins that label is 3, two pins that label is 16, two pins that label is 17, two pins that label is 5, two pins that label is 6, two pins that label is 19, two pins that label is 20, two pins that label is 8, two pins that label is 9, two pins that label is 22, two pins that label is 23, two pins that label is 11, two pins that label is 12, two all parallel connections between two of pin that label is 25, the rear power supply that is 24V with voltage again with pull-up resistor series connection in parallel is connected.
4. digital control system full-automatic test system according to claim 1, it is characterized in that: the pulse input interface (1-7) of spindle encoder has 9 pin, the pin of pulse input interface (1-7) first row of spindle encoder from top to bottom respectively label be 1 to 5, pulse input interface (1-7) the second row pin of spindle encoder from top to bottom respectively label be 6 to 9, the first pulse output interface (1-6) of servo-driver has 15 pin, the pin of the first pulse output interface (1-6) first row of servo-driver from top to bottom respectively label be 9 to 15, the first pulse output interface (1-6) second row pin of servo-driver from top to bottom respectively label be 1 to 8, the pin that wherein the first pulse output interface (1-6) label of servo-driver is 6 is connected with the pin that pulse input interface (1-7) label of spindle encoder is 2, the pin that the first pulse output interface (1-6) label of servo-driver is 14 is connected with the pin that pulse input interface (1-7) label of spindle encoder is 6, the pin that the first pulse output interface (1-6) label of servo-driver is 15 is connected with the pin that pulse input interface (1-7) label of spindle encoder is 7, the pin that the first pulse output interface (1-6) label of servo-driver is 8 is connected with the pin that pulse input interface (1-7) label of spindle encoder is 3.
5. digital control system full-automatic test system according to claim 4, it is characterized in that: the pin that is 5 with label again after being connected with pull-up resistor after the pin parallel connection that the pin that the first pulse output interface (1-6) label of servo-driver is 9 is 11 with label is connected, and the pin that label is 3 is connected with the pin that label is 11.
6. digital control system full-automatic test system according to claim 1, it is characterized in that: the second pulse output interface (1-8) of servo-driver has 15 pin, the pin of the second pulse output interface (1-8) first row of servo-driver from top to bottom respectively label be 9 to 15, the second pulse output interface (1-8) second row pin of servo-driver from top to bottom respectively label be 1 to 8, the pulse input interface (1-9) of hand-operated encoder has 9 pin, the pin of pulse input interface (1-9) first row of hand-operated encoder from top to bottom respectively label be 1 to 5, pulse input interface (1-9) the second row pin of hand-operated encoder from top to bottom respectively label be 6 to 9, the pin that the second pulse output interface (1-8) label of servo-driver is 6 is connected with the pin that pulse input interface (1-9) label of hand-operated encoder is 2, the pin that the second pulse output interface (1-8) label of servo-driver is 14 is connected with the pin that pulse input interface (1-9) label of hand-operated encoder is 7, the pin that the second pulse output interface (1-8) label of servo-driver is 15 is connected with the pin that pulse input interface (1-9) label of hand-operated encoder is 3, the pin that the second pulse output interface (1-8) label of servo-driver is 8 is connected with the pin that pulse input interface (1-9) label of hand-operated encoder is 8.
7. digital control system full-automatic test system according to claim 6, it is characterized in that: the pin that is 5 with label again after being connected with pull-up resistor after the pin parallel connection that the pin that the second pulse output interface (1-8) label of servo-driver is 9 is 11 with label is connected, and the pin that label is 3 is connected with the pin that label is 11.
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