CN219039257U - Signal transmission cable welding quality testing arrangement - Google Patents
Signal transmission cable welding quality testing arrangement Download PDFInfo
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- CN219039257U CN219039257U CN202320804583.8U CN202320804583U CN219039257U CN 219039257 U CN219039257 U CN 219039257U CN 202320804583 U CN202320804583 U CN 202320804583U CN 219039257 U CN219039257 U CN 219039257U
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Abstract
The utility model provides a signal transmission cable welding quality testing device which comprises a display control panel, a test control circuit, an interface control circuit, a switch and a tested cable interface, wherein the display control panel is connected with the test control circuit, the test control circuit is connected with the interface control circuit, the interface control circuit is connected with the switch, and the tested cable interface is connected with the interface control circuit. The utility model is used for automatically detecting the welding quality of the cable and can display the detection result on the OLED display screen.
Description
Technical Field
The utility model relates to the field of electronic communication, in particular to a welding quality testing device for a signal transmission cable.
Background
In the production process of the signal transmission cable, the welding quality of the cable needs to be detected, the welding quality of the cable is tested by using a method of manually using a universal meter at present, the method is time-consuming and labor-consuming, and the conditions of false detection, missing detection and the like are easy to occur, and the production efficiency is low during mass detection.
Disclosure of Invention
Therefore, the utility model aims to provide a signal transmission cable welding quality testing device which is used for automatically detecting the cable welding quality and displaying the detection result on an OLED display screen.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model provides a signal transmission cable welding quality testing device which comprises a display control panel, a test control circuit, an interface control circuit, a switch and a tested cable interface, wherein the display control panel is connected with the test control circuit, the test control circuit is connected with the interface control circuit, the interface control circuit is connected with the switch, and the tested cable interface is connected with the interface control circuit.
Preferably, the display control panel comprises a power switch, an OLED color display screen and a 4×5 keyboard, wherein the power switch and the 4×5 keyboard are connected with the OLED color display screen.
Preferably, the test control circuit comprises a first level conversion circuit, an ARM processor and a second level conversion circuit, wherein the first level conversion circuit is connected with the OLED color display screen, and the second level conversion circuit is connected with the computer.
Preferably, the interface control circuit adopts an IDTQS34XV245 chip.
The test control circuit adopts an AT91SAM7X512 chip.
Preferably, the tested cable interface is a plug or socket panel.
The beneficial effects of the utility model are as follows:
the utility model adopts the OLED display screen with the Chinese character library, the full Chinese character display interface, the man-machine interface is friendly, the detection result is easy to display and understand, and the fault content is detailed; the operation and the use are convenient and quick, and the requirement on the user is not high. The ARM processor with high performance combines with advanced and efficient algorithm, so that the testing device has the characteristics of high detection speed, accurate and reliable detection result, low false detection/false detection rate and the like. By selecting the interface circuit supporting hot plug and adding the dual protection mechanism of the interface control circuit for controlling the independent power supply, the damage of the testing device caused by special conditions such as short circuit of the tested cable can be effectively avoided, and the reliability of the testing device is improved. The plug/seat panel provides rich cable interfaces and detachable capacity of the connector, so that the testing device can adapt to more application scenes and has wider popularization and application space.
According to the utility model, the welding quality of the cable is automatically detected through the test circuit, the detection result can be displayed on the OLED display screen, and the fault type and the fault point can be accurately displayed when the tested cable has faults; and the cable to be tested can be tested for multiple times in a short time, so that false detection is avoided, and the test result is ensured to be accurate. Compared with the traditional manual testing method, the utility model greatly shortens the detection time, reduces the influence of human factors, improves the detection accuracy, and improves the production efficiency and the automation level.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a signal transmission cable welding quality testing apparatus according to the present utility model;
FIG. 2 is a circuit diagram of a test control circuit of a signal transmission cable welding quality testing device according to the present utility model;
fig. 3 is a circuit diagram of an interface control circuit of a signal transmission cable welding quality testing device according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.
As shown in figure 1, the utility model comprises a display control panel, a test control circuit, an interface control circuit, a switch 2 and a tested cable interface, wherein the display control panel is connected with the test control circuit, the test control circuit is connected with the interface control circuit, the interface control circuit is connected with the switch 2, and the tested cable interface is connected with the interface control circuit. The display control panel is provided with a power switch (switch 1), an OLED color display screen and a 4 multiplied by 5 keyboard, and the power switch controls the OLED color display screen and the test control circuit to be turned on and turned off; the OLED color display screen is used for displaying test parameters and test results; the user selects and inputs the test parameter table by operating the 4x 5 keyboard.
As shown in fig. 2, the test control circuit adopts an ARM processor AT91SAM7X512, an I/O interface of the ARM processor collects and processes 4×5 keyboard input information, scans a cable test interface of 20×20 (core) and calculates a test result; the serial port 0 of the ARM processor is connected with the OLED color display screen and displays the test result; the serial port 1 is connected with an external computer, inputs test parameters and outputs test results.
The I/O port of ARM processor is used to control the output high level signal and detect the input signal level, scan and compare the value of the input and output level one by one, confirm the welding relation of the two ends of the cable. The serial port 1 of the ARM processor is used for communicating with the OLED color display screen and displaying the test result. The serial port 0 of the ARM processor is used for reporting test results to an external computer software interface, and the test results comprise: the test is passed, short circuit exists, false welding exists, and the welding line sequence is wrong; when there is a welding error, specific error contents can be displayed.
The cable to be tested is tested through the parameters set by external computer or key operation. The two ends of the tested cable are respectively connected to the I/O port of the ARM processor through the interface control circuit, the ARM processor controls and outputs a high-level signal to one end of the tested cable, the input signal level of the other end of the tested cable is scanned one by one, the input and output level values are compared, the welding relation of the two ends of the cable is determined, a test result is formed, and the result is displayed on an OLED display screen or an external computer software interface.
As shown in fig. 3, the interface control circuit adopts an IDTQS34XV245 chip, and the interface circuit has 32 paths of bidirectional interfaces to realize the isolation between the test control circuit and the cable to be tested; the interface circuit uses an independent power switch button to control power supply, so that the electrified replacement of a cable is avoided, and the test control circuit is protected.
The interface control circuit is used for connecting the cable to be tested, the power supply of the interface control circuit is controlled by an independent switch, the switch of the interface control circuit is opened to automatically start the test, and the switch of the interface control circuit is closed to stop the test. And after the power supply is turned off, the operation of installing/replacing the tested cable is performed, so that the live operation is prevented, and the testing device is damaged. The interface control circuit supports hot plug and plays a double protection role.
The display control panel realizes the power-on control of the testing device, responds to the keyboard input operation of a user, and displays the testing result (or outputs the result to an external computer) on the display screen; the test control circuit completes the scanning detection of the cable, generates a detection result and reports the detection result to the display control panel. The interface control circuit mainly completes the isolation between the test control circuit and the tested cable, realizes the isolation sampling detection and protects the test control circuit. The tested cable interface of the embodiment is a plug/socket panel, and the plug/socket panel is provided with various common connector interfaces, can be used for installing plugs/seats with different specifications and models, and realizes the test of various signal transmission cables with different types. The plug/seat can be replaced and is suitable for more kinds of connectors; the device is suitable for testing the welding quality of the signal transmission cable with 20 cores and plugs/seats below.
The working process of the utility model is as follows: turning on a power switch (switch 1) and inputting a tested cable connection relation table through a 4X 5 keyboard; two ends of a tested cable are respectively connected into a port 1 and a port 2 of the plug/seat panel, the switch 2 is opened to power up the interface control circuit, the interface control circuit isolates and transmits the cable connection relation to the test control circuit, and an enabling signal is output; the test control circuit detects the enabling signal, automatically starts the test, generates a final test result after multiple rounds of test verification, and displays the test result on the OLED color display screen or an external computer software interface.
The display control panel comprises an OLED color display screen, a 4X 5 keyboard and a power switch, wherein the OLED color display screen displays cable test results, the 4X 5 keyboard is used for operating the device, setting parameters, starting/stopping test and checking test results, and the power switch is used for controlling the test device to be electrified; the test control circuit tests the tested cable according to the input test parameters, and sends the test result to the OLED color display screen or an external computer software interface for display after the test is completed; the interface control circuit comprises various tested cable sockets and a level conversion isolation circuit, and is provided with a switch for controlling the interface circuit to be electrified so as to prevent electrified operation. The design can automatically and rapidly test the welding quality of the signal transmission cable, reduce the influence of human factors, greatly improve the production efficiency and ensure the welding accuracy and reliability of the signal transmission cable product.
Specific embodiments are given above, but the utility model is not limited to the described embodiments. The basic idea of the utility model is that the above basic scheme, it is not necessary for a person skilled in the art to design various modified models, formulas, parameters according to the teaching of the utility model to take creative effort. Variations, modifications, substitutions and alterations are also possible in the embodiments without departing from the principles and spirit of the present utility model.
Claims (6)
1. A signal transmission cable welding quality testing arrangement, its characterized in that: the device comprises a display control panel, a test control circuit, an interface control circuit, a switch and a tested cable interface, wherein the display control panel is connected with the test control circuit, the test control circuit is connected with the interface control circuit, the interface control circuit is connected with the switch, and the tested cable interface is connected with the interface control circuit.
2. The signal transmission cable welding quality testing apparatus of claim 1, wherein: the display control panel comprises a power switch, an OLED color display screen and a 4×5 keyboard, wherein the power switch and the 4×5 keyboard are connected with the OLED color display screen.
3. The signal transmission cable welding quality testing apparatus according to claim 2, wherein: the test control circuit comprises a first level conversion circuit, an ARM processor and a second level conversion circuit, wherein the first level conversion circuit is connected with the OLED color display screen, and the second level conversion circuit is connected with a computer.
4. The signal transmission cable welding quality testing apparatus of claim 1, wherein: the interface control circuit adopts an IDTQS34XV245 chip.
5. The signal transmission cable welding quality testing apparatus of claim 1, wherein: the test control circuit adopts an AT91SAM7X512 chip.
6. The signal transmission cable welding quality testing apparatus of claim 1, wherein: the tested cable interface is a plug or socket panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320804583.8U CN219039257U (en) | 2023-04-12 | 2023-04-12 | Signal transmission cable welding quality testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320804583.8U CN219039257U (en) | 2023-04-12 | 2023-04-12 | Signal transmission cable welding quality testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219039257U true CN219039257U (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320804583.8U Active CN219039257U (en) | 2023-04-12 | 2023-04-12 | Signal transmission cable welding quality testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219039257U (en) |
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2023
- 2023-04-12 CN CN202320804583.8U patent/CN219039257U/en active Active
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