A kind of power of display equipment on production line full-automatic test system and method for testing
Technical field
The present invention relates to a kind of power test system, relate in particular to a kind of power of display equipment on production line full-automatic test system and method for testing.
Background technology
Existing power of display equipment on production line test macro; General very important person is the setting value that power meter is set; Have relatively high expectations for the operator, can not obtain the bar code of test product automatically, and can not trigger as the display device information of putting in place with bar code information and begin to carry out full-automatic testing.
For example number of patent application is 201010301148.0; Patent name is in the patent of invention of " automatically testing power of display equipment on production line system and method "; Disclose a kind of automatically testing power of display equipment on production line system and method, this system comprises address card, main control computer, power meter, frequency converter and is located at the PLC controller on the production line.This system and method comes elastic calibration device that display device is carried out power test through the serial communication of main control computer; And the parallel port communication through computing machine, through address card and PLC controller to the robotization of display device enter the station detection, actions such as departures are controlled automatically.Though the traditional relatively method of this system and method can labor savings; Improve automaticity; But to having relatively high expectations of user of service; The a collection of display device of every test; All must artificial input display device machine and corresponding power bracket, if the setting value of artificial setting power meter again is artificial input error; Then can cause the testing result mistake, have the hidden danger of manual operation mistake.In this patent, main control computer is connected with power meter or address card through parallel or serial port, and wiring is complicated, and needs to use interface board, and cost is high; Power meter only has the simple function of power detection; This patent also need be provided with the special display device equipment such as trigger switch, address card that arrive at a station, and operation steps is more loaded down with trivial details, influences production efficiency.
Summary of the invention
In order to overcome the deficiency of prior art, the object of the present invention is to provide a kind of robotization and production efficiency high power of display equipment on production line full-automatic test system and method for testing.
Technical scheme of the present invention is: a kind of power of display equipment on production line full-automatic test system; It comprises computing machine and power meter; Computing machine and power meter are electrically connected; It is characterized in that: it comprises that also electromagnetic induction reads bar code device; Electromagnetic induction is read bar code device and is connected with computer-electrical; Be provided with the whether comparison judgment means of ultra scope of measured power in the power meter; This alarm switch contact that relatively dog catch moves on judgment means and the control production line is electrically connected, power meter also with production line on web joint be electrically connected; After display device was sent to test position, the power supply of display device was inserted on the said web joint, and power meter connects with display device mutually, and it is corresponding that display device barcode position and the electromagnetic induction of being located at production line one side are read bar code device.
Said computing machine is read bar code device by keyboard mouth or serial ports with electromagnetic induction and is electrically connected.
Said computing machine is electrically connected with power meter by the usb data line.
Be provided with the voltage detection module of testing voltage in the said power meter.
Be provided with the storer that stores display device machine name, corresponding power scope, time of fire alarming and operating voltage setting value in the said computing machine.
The method of testing of power of display equipment on production line full-automatic test system of the present invention, it may further comprise the steps:
1) the machine name of selection display device to be detected in the display interface of computing machine, computing machine calls the data in its storer, shows the time of fire alarming of power bracket, operating voltage and the power meter of corresponding display device at display interface; And power bracket and time of fire alarming sent to power meter, the sensing range and the time of fire alarming of power meter adjustment power;
2) the voltage detection module testing voltage in the power meter, and send detected value to computing machine, whether judgment task voltage was consistent with setting value after computing machine was received this detected value, and as if inconsistent, computing machine sends miscue; If consistent, wait for that then display device puts in place;
3) after display device to be measured was sent to the detection position, electromagnetic induction was read bar code device and is read bar code information, and bar code information is sent to computing machine;
4) after computing machine receives that electromagnetic induction is read the information of bar code device transmission, send the detection power order to power meter;
5) power of power meter test display device, the comparison judgment means in the power meter judge that the power test value is whether in setting range, if the power test value not in setting range, is then given the alarm switch contact alerting signal that transmission is not let pass; If the power test value sends the signal of letting pass in setting range, then for the alarm switch contact; Simultaneously power detection value and judged result are sent to computing machine;
6) if alerting signal of the not letting pass dog catch then controlled on the production line in alarm switch contact receive lifts the display device departures; If all-clear is received in the alarm switch contact, then to control dog catch and fall, display device is sent to the production line next stop;
7) computing machine is deposited storer with bar code, power detection value, the judged result received and is uploaded in the network data base, if the power detection value exceeds setting value, then on the display interface of computing machine, prompting message occurs.
Adopt technical scheme of the present invention, can select the computing machine of not being with the parallel port for use, need not detect and control through the parallel port of computing machine, computing machine adopts the usb data line to be connected with power meter, and wiring is simple, reduces cost; Adopt electromagnetic induction to read bar code device and read bar code and begin to carry out power detection, the special display device equipment such as trigger switch that arrive at a station need be set, practice thrift cost as judging that information that display device arrives the detection position triggers, more convenient to operate; Simultaneously; As long as select the machine name of display device on computers; The display interface of computing machine can show the power bracket of corresponding power bracket and automatic setting power meter automatically; Do not need workman's input power range; Can operate automatically; Need not manual work and keep an eye on, reduce the hidden danger that the manual operation mistake is brought; After power meter detected the power of display device, whether the power of directly differentiating display device was qualified, sends the signal of whether letting pass for then the alarm switch contact, saved operation steps, improved production efficiency.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation:
Fig. 1 is the structural representation of power of display equipment on production line full-automatic test system of the present invention.
Embodiment
As shown in Figure 1; The present invention includes computing machine 1 and power meter 2; Computing machine 1 is electrically connected with power meter 2; It comprises that also electromagnetic induction reads bar code device 3; Electromagnetic induction is read bar code device 3 and is electrically connected with computing machine 1; Be provided with the whether comparison judgment means 21 of ultra scope of measured power in the power meter 2, this alarm switch contact 22 that relatively dog catch 7 moves on judgment means 21 and the control production line 5 is electrically connected, power meter 2 also with production line 5 on web joint 6 be electrically connected; After display device 4 was sent to test position, the power supply of display device 4 was inserted on the said web joint 6, and power meter 2 connects with display device 4 mutually, and it is corresponding that display device 4 barcode positions and the electromagnetic induction of being located at production line 5 one sides are read bar code device 3.
Said computing machine 1 is read bar code device 3 by keyboard mouth or serial ports with electromagnetic induction and is electrically connected.
Said computing machine 1 is electrically connected with power meter 2 by the usb data line.
Be provided with the voltage detection module 22 of testing voltage in the said power meter 2; This module 22 can detect the supply voltage that current power meter 2 uses; And send detected value to computing machine 1; Whether judgment task voltage was consistent with setting value after computing machine 1 was received this detected value; If inconsistent, computing machine 1 sends miscue; If consistent, wait for that then display device 4 puts in place;
Be provided with the storer 11 that stores display device 4 machine names, corresponding power scope, time of fire alarming and operating voltage setting value in the said computing machine 1.
The method of testing of power of display equipment on production line full-automatic test system of the present invention, it may further comprise the steps:
1) the machine name of selection display device 4 to be detected in the display interface of computing machine 1, computing machine 1 calls the data in its storer 11, shows the time of fire alarming of power bracket, operating voltage and the power meter of corresponding display device 4 at display interface; And power bracket and time of fire alarming sent to power meter 2, the sensing range and the time of fire alarming of power meter 2 adjustment power;
2) the voltage detection module 22 testing voltages in the power meter 2, and send detected value to computing machine 1, whether judgment task voltage was consistent with setting value after computing machine 1 was received this detected value, and as if inconsistent, computing machine 1 sends miscue; If consistent, wait for that then display device 4 puts in place;
3) after display device 4 to be measured was sent to the detection position, electromagnetic induction was read bar code device 3 and is read bar code information, and bar code information is sent to computing machine 1;
4) after computing machine 1 receives that electromagnetic induction is read the information of bar code device 3 transmissions, send the detection power order to power meter 2;
5) power of power meter 2 test display devices 4, the comparison judgment means 21 in the power meter 2 judge that the power test value is whether in setting range, if the power test value not in setting range, is then given the alarm switch contact alerting signal that 23 transmissions are not let pass; If the power test value sends the signal of letting pass in setting range, then for alarm switch contact 23; Simultaneously power detection value and judged result are sent to computing machine 1;
6) alarm switch contact 23 is if receive that the dog catch 7 that the alerting signal of not letting pass is then controlled on the production line 5 lifts, and display device 4 sets off; If all-clear is received in alarm switch contact 23, then to control dog catch 7 and fall, display device passes 4 and delivers to production line 5 next stops;
7) computing machine 1 is deposited storer 11 with bar code, power detection value, the judged result received and is uploaded in the network data base, if the power detection value exceeds setting value, then on the display interface of computing machine 1, prompting message occurs.
Adopt technical scheme of the present invention, can select the computing machine 1 of not being with the parallel port for use, computing machine 1 adopts the usb data line to be connected with power meter 2, and wiring is simple, reduces cost; Adopt electromagnetic induction to read that bar code device 3 reads bar code and trigger to begin to carry out power detection, special display device 4 equipment such as trigger switch that arrive at a station need be set, practice thrift cost as the information of the arrival detection position of judging display device 4, more convenient to operate; Simultaneously; As long as on computing machine 1, select the machine name of display device 4; The display interface of computing machine 1 can show corresponding power bracket automatically and the power bracket of power meter 2 is set automatically, does not need workman's input power range, reduces the hidden danger that the manual operation mistake is brought; After power meter 2 detected the power of display device 4, whether the power of directly differentiating display device 4 was qualified, sends the signal of whether letting pass for then alarm switch contact 22, saved operation steps, improved production efficiency.