CN112798036B - Testing device based on short circuit triggering and in-place detection method - Google Patents
Testing device based on short circuit triggering and in-place detection method Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 134
- 238000001514 detection method Methods 0.000 title claims abstract description 11
- 238000013522 software testing Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000003993 interaction Effects 0.000 claims description 12
- 230000001960 triggered effect Effects 0.000 claims description 5
- 238000013500 data storage Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 208000032365 Electromagnetic interference Diseases 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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Abstract
The invention discloses a testing device based on short circuit triggering and a in-place detection method, wherein the testing device comprises a first reference piece, a second reference piece which is movably arranged and is attached to the first reference piece at a set position, and a signal data wire of which one end is connected with an upper computer; the other end of the signal data line is electrically connected with the first reference piece and the second reference piece through a sending data line and a receiving data line which are arranged on the signal data line, the sending data line and the receiving data line are in short circuit when the first reference piece and the second reference piece are attached, and a software testing system which outputs a judgment result that the testing device is ready to be in place when the sending data line and the receiving data line are in short circuit is loaded on the upper computer. The invention uses the serial port line to send and receive data stream to replace the transmission of sensor hardware to signals, thereby reducing the cost, improving the efficiency and convenience and reducing the interference of external electromagnetism or noise.
Description
Technical Field
The invention belongs to the technical field of testing devices, and particularly relates to a testing device based on short circuit triggering and an in-position detection method.
Background
In a factory environment, a workstation for function test can analyze the initial state of a product (such as a mobile phone product) and judge whether the product meets a test standard. At present, a station on a production line judges whether a jig is in place or not based on sensor induction, so that the next step of testing is carried out.
The sensor technology has the disadvantages that because the sensor device is applied to industrial occasions, a large number of electromagnetic interference signals exist around the device, tests in aspects of noise and the like are interfered, and the efficiency of transmitting signals of the sensor is reduced. And the initial state of the product test is detected by using the sensor sensing device, so that the cost of hardware design is increased. In addition, the sensor sends signals to the display through the serial port line after sensing, self-sending and self-receiving cannot be achieved, and much inconvenience is brought in use.
Therefore, it is necessary to provide a new testing device based on short trigger and a method for detecting the in-place of the testing device to solve the above problems.
Disclosure of Invention
One of the main objectives of the present invention is to provide a testing device based on short-circuit triggering, which uses serial port lines to send and receive data streams instead of sensor hardware to transmit signals, thereby reducing cost, improving efficiency and convenience, and reducing interference of external electromagnetism or noise.
The invention realizes the purpose through the following technical scheme: a testing device based on short circuit triggering comprises a first reference part, a second reference part which is movably arranged and is attached to the first reference part at a set position, and a signal data wire of which one end is connected with an upper computer; the other end of the signal data line is electrically connected with the first reference piece and the second reference piece through a sending data line and a receiving data line which are arranged on the signal data line, the sending data line and the receiving data line are in short circuit when the first reference piece and the second reference piece are attached, and a software testing system which outputs a judgment result that the testing device is ready to be in place when the sending data line and the receiving data line are in short circuit is loaded on the upper computer.
Furthermore, a software test system for automatically receiving and transmitting digital signals when the sending data line and the receiving data line are short-circuited is arranged in the upper computer.
Furthermore, the first reference part and the second reference part are applied to a test fixture or a test box body.
Further, in the test fixture, the test fixture includes an upper fixture and a lower fixture, the first reference component is disposed on the lower fixture, and the second reference component is disposed on the upper fixture.
Further, in the test box, the test box includes a test box main body and a test box door, the first reference member is disposed on the test box main body, and the second reference member is disposed on the test box door.
Furthermore, a first binding post is arranged on the first reference piece, and one end of the data sending line is connected to the first binding post; and a second wiring terminal is arranged on the second reference piece, and one end of the receiving data line is connected to the second wiring terminal.
Furthermore, one end of the signal data line is connected with the upper computer through a USB interface.
Another object of the present invention is to provide a method for detecting the in-position of a testing device, which comprises the following steps:
s1) providing a first reference piece and a second reference piece on the testing device, the first reference piece and the second reference piece being capable of being attached to each other and electrically conducted when the testing device is ready to be in place;
s2), providing a signal data line having a transmission data line and a reception data line, one end of the signal data line being connected to an upper computer through a USB interface, the other end of the signal data line being exposed to the transmission data line and the reception data line, one of the transmission data line and the reception data line being electrically connected to the first reference member, and the other being electrically connected to the second reference member;
s3) a software testing system which is designed based on the signal data line and has a function of self-sending and self-receiving preset data signals is loaded in the upper computer, and when the sending data line and the receiving data line are short-circuited, the software testing system is triggered;
s4) the software testing system automatically sends the preset data signal to the sending data line and automatically receives the preset data signal from the receiving data line;
s5), the software testing system judges whether the preset data signal is received, if so, the software testing system outputs a judgment result that the testing device is ready to be in place and sends an instruction for starting product testing; and if the preset data signal is not received, outputting a judgment result that the testing device is not ready to be in place, and sending an instruction for adjusting the testing device.
Furthermore, the signal data line is a serial port line, the preset data signal is a serial port digital signal, the upper computer is further provided with a human-computer interaction interface, and the software testing system displays the judgment result through the human-computer interaction interface.
Furthermore, the human-computer interaction interface is provided with a serial port setting window for displaying serial port configuration parameters, a sending window for displaying sent serial port digital signals and a receiving window for displaying received serial port digital signals.
Furthermore, the software testing system comprises a judging module with the function of self-sending and self-receiving preset data signals, a testing module with the function of software testing and a storage module with the function of data storage, wherein the testing module performs functional testing on the testing item of the testing device after receiving the instruction of starting product testing from the judging module, and sends the testing data to the storage module.
Compared with the prior art, the testing device based on short circuit triggering and the in-place detection method have the beneficial effects that: one end of the data wire is connected with an upper computer by using a data wire, the other end of the data wire is respectively connected with two reference parts of the jig by using a data sending and receiving wire carried by the data wire, the reference parts move to be in place and are mutually attached, the short circuit of the data sending wire and the data receiving wire is realized, the upper computer is triggered to automatically send a data signal by using the short circuit signal, and then the automatic receiving of the data signal is realized on the upper computer, so that the jig is judged to be in place, the product test is started, the function of a switch is realized by continuing the principle of signal receiving/shielding, and the test of products (such as mobile phone products) in a factory environment is facilitated; the original sensor hardware setting is omitted, the hardware cost is saved, various electromagnetic interferences in the factory environment are effectively eliminated, and the effectiveness and the accuracy of the testing process are guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another application state according to an embodiment of the present invention;
FIG. 3 is a control flow diagram according to an embodiment of the present invention;
100 testing device based on short circuit triggering;
1 a first reference piece, 11 a first terminal post; 2 a second reference piece, 21 a second terminal post; 3, an upper computer; 4 signal data lines, 41 transmission data lines, 42 reception data lines; 5, testing a jig, 51 arranging a jig, and 52 arranging a jig; 6 test box, 61 test box body, 62 test box door.
Detailed Description
The first embodiment is as follows:
referring to fig. 1-2, the present embodiment is a testing apparatus 100 based on short trigger, which includes a first reference member 1, a second reference member 2 movably disposed and attached to the first reference member 1 at a set position, and a signal data line 4 having one end connected to an upper computer 3; the other end of the signal data line 4 is electrically connected with the first reference member 1 and the second reference member 2 through a sending data line 41 and a receiving data line 42 of the signal data line, the sending data line 41 and the receiving data line 42 are in short circuit when the first reference member 1 and the second reference member 2 are attached, and the upper computer 3 is internally provided with a software test system which automatically receives and sends data signals when the sending data line 41 and the receiving data line 42 are in short circuit.
The working principle of the testing device 100 based on short-circuit triggering in this embodiment is as follows: in the testing device, when the second reference part 2 moves to a set position, the second reference part 2 and the first reference part 1 are attached to each other, so that the sending data line 41 and the receiving data line 42 are in short circuit; the upper computer 3 automatically sends and receives the data signals, and if the data signals are received on the upper computer 3, the second reference part 2 moves in place, so that the product can be tested; if the upper computer 3 does not receive the data signal, it is indicated that the second reference part 2 is not in place, the state of the testing device needs to be further confirmed, whether the testing device is in place is checked again after the confirmation is finished, and the testing device can start to carry out product testing when in place.
The first reference member 1 and the second reference member 2 can be applied to the test fixture 5 or the test box 6. As shown in fig. 1, in the testing fixture 5, the first reference component 1 may be disposed on the lower fixture 51, and the second reference component 2 may be disposed on the upper fixture 52, so that when the lower fixture 51 is lowered to be attached to the upper fixture 52, the short circuit between the transmitting data line 41 and the receiving data line 42 can be realized. As shown in fig. 2, in the test case 6, the first reference member 1 may be provided on the test case body 61, and the second reference member 2 may be provided on the test case door 62, so that when the test case door 62 is closed in place, contact shorting of the transmission data line 41 and the reception data line 42 is achieved. The test box main body 61 is an insulating box body.
The first reference member 1 and the second reference member 2 are conductor plate structures.
The first reference member 1 is provided with a first terminal 11, and one end of the transmission data line 41 is connected to the first terminal 11. The second reference member 2 is provided with a second terminal 21, and one end of the reception data line 42 is connected to the second terminal 21.
One end of the signal data line 4 is connected with the upper computer 3 through a USB interface, so that data transmission is realized. The signal data line 4 can be an RS232 serial port data line.
Referring to fig. 3, the present embodiment further provides a method for detecting the in-position of a testing device, which includes the following steps:
s1) providing a first reference piece 1 and a second reference piece 2 on the testing device, wherein the first reference piece 1 and the second reference piece 2 can be attached to each other and electrically conducted when the testing device is ready to be put in place;
s2), providing a signal data line 4, wherein the signal data line 4 has a transmission data line 41 and a reception data line 42, one end of the signal data line 4 is connected to the upper computer 3 through a USB interface, the other end of the signal data line 4 exposes the transmission data line 41 and the reception data line 42, one of the transmission data line 41 and the reception data line 42 is electrically connected to the first reference member 1, and the other is electrically connected to the second reference member 2;
s3), a software testing system which is designed based on the signal data line and has a self-sending and self-receiving preset data signal function is loaded in the upper computer 3, and when the sending data line 41 and the receiving data line 42 are short-circuited, the software testing system is triggered;
s4) the software testing system automatically sends the preset data signal to the sending data line 41 and automatically receives the preset data signal from the receiving data line 42;
s5), the software testing system judges whether the preset data signal is received, if so, the software testing system outputs a judgment result that the testing device is ready to be in place and sends an instruction for starting product testing; and if the preset data signal is not received, outputting a judgment result that the testing device is not ready to be in place, and sending an instruction for adjusting the testing device.
In this embodiment, the signal data line 4 is a serial port line, the preset data signal is a serial digital signal, the upper computer 3 is further provided with a human-computer interaction interface, and the software testing system displays the judgment result through the human-computer interaction interface.
The man-machine interaction interface is provided with a serial port setting window for displaying serial port configuration parameters, a sending window for displaying sent serial port digital signals and a receiving window for displaying the received serial port digital signals.
The software testing system comprises a judging module with the function of automatically and automatically receiving the preset data signal, a testing module with the function of software testing and a storage module with the function of data storage, wherein the testing module performs functional testing on a testing item of the testing device after receiving an instruction for starting product testing from the judging module, and sends testing data to the storage module.
When the in-place detection method of the testing device judges whether the product is in the ready-to-test state, the function of judging whether the testing device is in place is realized by combining an RS232 simple serial port line with the software design from the aspect of software design. The working principle is as follows: by utilizing the special structure of the USB-RS232-WE Cable serial port line, one end of the serial port line is connected with an upper computer (such as a computer host) for production line testing through a USB interface, and the other end of the serial port line is used for connecting a transmitting data line (TXD) and a receiving data line (RXD) of the serial port line to a testing box body and a testing box body door of the testing device respectively. Through software design, when the test box body is in contact with the door of the test box body, TXD and RXD are in short circuit, at the moment, on a computer man-machine interaction interface, a program can automatically input digital signals in a sending window, and can automatically receive the digital signals in a receiving window. This situation indicates that the test apparatus is ready for further product testing. On the contrary, if the TXD and RXD lines of the serial port line are not short-circuited, serial port digital signals sent out on the man-machine interaction interface can not be automatically received, at the moment, the state of the testing device needs to be further confirmed, after the confirmation is finished, whether the testing device is in place can be detected again, and the product testing can be started when the testing device is in place. The practice proves that the principle of signal receiving/shielding is continued through the development and application of work station software, so that the function of a switch is achieved, the product test under the factory environment is facilitated, and the method has very important significance.
The embodiment relates to a testing device based on short circuit triggering and a testing device in-place detection method.A data line is utilized, one end of the data line is connected with an upper computer, the other end of the data line is respectively connected with two reference parts of a jig by utilizing data sending and receiving lines of the data line, the motion in-place mutual fitting action of the reference parts is utilized to realize the short circuit of the sending data line and the receiving data line, the upper computer is triggered by utilizing a short circuit signal to automatically send a data signal, then the data signal is automatically received on the upper computer, so that the jig is judged to be in place, the product testing is started, and the principle of continuous signal receiving/shielding is utilized to play a role of a switch, thereby facilitating the testing of products under the factory environment; the original sensor hardware setting is omitted, the hardware cost is saved, various electromagnetic interferences in the factory environment are effectively eliminated, and the effectiveness and the accuracy of the testing process are guaranteed.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a testing arrangement based on short circuit triggers which characterized in that: the device comprises a first reference part, a second reference part which is movably arranged and is attached to the first reference part at a set position, and a signal data wire of which one end is connected with an upper computer; the other end of the signal data line is electrically connected with the first reference piece and the second reference piece through a sending data line and a receiving data line which are arranged on the signal data line, the sending data line and the receiving data line are in short circuit when the first reference piece and the second reference piece are attached, and a software testing system which outputs a judgment result that the testing device is ready to be in place when the sending data line and the receiving data line are in short circuit is loaded on the upper computer.
2. The short trigger based test device of claim 1, wherein: the first reference part and the second reference part are applied to a test fixture or a test box body.
3. The short trigger based test device of claim 2, wherein: in the test fixture, the test fixture comprises an upper fixture and a lower fixture, the first reference part is arranged on the lower fixture, and the second reference part is arranged on the upper fixture.
4. The short trigger based test device of claim 2, wherein: in the test box, the test box comprises a test box main body and a test box door, the first reference piece is arranged on the test box main body, and the second reference piece is arranged on the test box door.
5. The short trigger based test device of claim 1, wherein: a first wiring terminal is arranged on the first reference piece, and one end of the data sending line is connected to the first wiring terminal;
and a second wiring terminal is arranged on the second reference piece, and one end of the receiving data line is connected to the second wiring terminal.
6. The short trigger based test device of claim 1, wherein: one end of the signal data line is connected with the upper computer through a USB interface.
7. A test device in-place detection method is characterized in that: which comprises the following steps:
s1) providing a first reference piece and a second reference piece on the testing device, the first reference piece and the second reference piece being capable of being attached to each other and electrically conducted when the testing device is ready to be in place;
s2), providing a signal data line having a transmission data line and a reception data line, one end of the signal data line being connected to an upper computer through a USB interface, the other end of the signal data line being exposed to the transmission data line and the reception data line, one of the transmission data line and the reception data line being electrically connected to the first reference member, and the other being electrically connected to the second reference member;
s3) a software testing system which is designed based on the signal data line and has a function of self-sending and self-receiving preset data signals is loaded in the upper computer, and when the sending data line and the receiving data line are short-circuited, the software testing system is triggered;
s4) the software testing system automatically sends the preset data signal to the sending data line and automatically receives the preset data signal from the receiving data line;
s5), the software testing system judges whether the preset data signal is received, if so, the software testing system outputs a judgment result that the testing device is ready to be in place and sends an instruction for starting product testing; and if the preset data signal is not received, outputting a judgment result that the testing device is not ready to be in place, and sending an instruction for adjusting the testing device.
8. The test device in-place detection method of claim 7, wherein: the software testing system comprises a signal data line, a preset data signal and a human-computer interaction interface, wherein the signal data line is a serial port line, the preset data signal is a serial port digital signal, the upper computer is further provided with the human-computer interaction interface, and the software testing system displays the judgment result through the human-computer interaction interface.
9. The test device in-place detection method of claim 8, wherein: the man-machine interaction interface is provided with a serial port setting window for displaying serial port configuration parameters, a sending window for displaying sent serial port digital signals and a receiving window for displaying the received serial port digital signals.
10. The test device in-place detection method of claim 7, wherein: the software testing system comprises a judging module with the function of automatically and automatically receiving the preset data signal, a testing module with the function of software testing and a storage module with the function of data storage, wherein the testing module performs functional testing on a testing item of the testing device after receiving an instruction for starting product testing from the judging module, and sends testing data to the storage module.
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