CN215575602U - Simple type-C port welding reliability identification and detection device - Google Patents
Simple type-C port welding reliability identification and detection device Download PDFInfo
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- CN215575602U CN215575602U CN202022126969.7U CN202022126969U CN215575602U CN 215575602 U CN215575602 U CN 215575602U CN 202022126969 U CN202022126969 U CN 202022126969U CN 215575602 U CN215575602 U CN 215575602U
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Abstract
The utility model relates to a simple type-C port welding reliability identification and detection device which comprises a main controller, a double-color indicator lamp and a double-channel electronic switch current and voltage detection circuit, wherein the double-color indicator lamp and the double-channel electronic switch current and voltage detection circuit are electrically connected with the main controller; the electronic switch current and voltage detection circuit of each channel comprises a charging adapter interface, an analog switch circuit, a voltage detection circuit, a current detection circuit and a double-sided type-C interface; the input of the analog switch circuit is respectively connected with the front surface and the reverse surface of the double-sided type-C interface, the output of the analog switch circuit is respectively connected with the voltage detection circuit and the current detection circuit and is respectively used for detecting voltage and current signals of the front surface and the reverse surface of the type-C interface; the analog switch circuit is connected with the main controller and is used for switching on a signal on the front side of the type-C interface or a signal on the back side of the type-C interface under the control of the main controller. The double-sided type-C port is adopted, and double-sided voltage and current information of the type-C port can be respectively detected through switching of the analog electronic switch.
Description
Technical Field
The utility model relates to the technical field of USB interface testing, in particular to a type-C port welding reliability identification and detection device.
Background
At present, a type-C interface is mainly used for mobile equipment related to mobile phone charging, mobile power supply charging and the like, and welding reliability detection is mainly carried out by the following two methods: 1. visual inspection or CCD detection; 2. the plugging and unplugging are repeated twice by a dedicated test tool.
The method has the disadvantages that 1, the testing efficiency is influenced because the plug is required to be inserted and pulled forwards or backwards; 2. repeated plugging and unplugging easily causes damage to the type-c port; 3. the voltage and current information is read manually, so that visual fatigue is easily caused for a long time to influence judgment; 4. d + and D-on the front side and the back side are connected in parallel, and the cold solder joint on one end cannot be detected; 5. the CCD detection has the risk of missing detection.
Disclosure of Invention
In view of the above, the present invention is directed to a device for identifying and detecting welding reliability of type-C port, which uses a double-sided type-C port and can switch and detect double-sided voltage and current information of the type-C port through an analog electronic switch.
The utility model is realized by adopting the following scheme: a simple type-C port welding reliability identification and detection device comprises a main controller, a double-color indicator lamp and a double-channel electronic switch current and voltage detection circuit, wherein the double-color indicator lamp and the double-channel electronic switch current and voltage detection circuit are electrically connected with the main controller;
the electronic switch current and voltage detection circuit of each channel comprises a charging adapter interface, an analog switch circuit, a voltage detection circuit, a current detection circuit and a double-sided type-C interface;
the input of the analog switch circuit is respectively connected with the front surface and the reverse surface of the double-sided type-C interface, the output of the analog switch circuit is respectively connected with the voltage detection circuit and the current detection circuit and is respectively used for detecting voltage and current signals of the front surface and the reverse surface of the type-C interface; the analog switch circuit is connected with the main controller and is used for switching on a signal on the front side of the type-C interface or a signal on the back side of the type-C interface under the control of the main controller.
The device comprises a double-sided type-C interface, a type-C port and a test line, wherein the input of the test line is connected with the type-C port of the device to be tested, the output of the test line is divided into two paths, one path of the test line is used for leading out an A-side signal of the type-C port and connecting the A-side signal with the front side of the double-sided tpye-C interface, and the other path of the test line is used for leading out a B-side signal of the type-C port and connecting the B-side signal with the back side of the double-sided type-C interface.
Furthermore, the alarm device also comprises two single-pole single-throw relay circuits electrically connected with the main controller and used for linking other alarm devices.
Furthermore, the device also comprises a buzzer circuit electrically connected with the main controller and used for giving out warning sound.
Furthermore, the OLED interface further comprises a rotary dial switch electrically connected with the main controller and used for expanding the operation of the OLED interface.
Furthermore, the charger also comprises a dial switch electrically connected with the main controller and used for selecting different fast charging protocols.
Furthermore, the system also comprises a reserved serial port interface and an RS485 communication interface which are electrically connected with the master control and used for expanding communication connection.
Compared with the prior art, the utility model has the following beneficial effects: the double-sided type-C port is adopted, and double-sided voltage and current information of the type-C port can be respectively detected through switching of the analog electronic switch.
Drawings
Fig. 1 is a schematic block diagram of a circuit according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of the connection of circuit components according to the present invention.
Fig. 3 is a diagram of a circuit board structure according to the present invention.
FIG. 4 is a schematic diagram of the principle of the test line of the present invention.
Detailed Description
The utility model is further explained below with reference to the drawings and the embodiments.
As shown in fig. 1 and fig. 2, the present embodiment provides a simple type-C port welding reliability identification and detection device, which includes a main controller, a two-color indicator light electrically connected to the main controller, and a two-channel electronic switch current-voltage detection circuit;
the electronic switch current and voltage detection circuit of each channel comprises a charging adapter interface, an analog switch circuit, a voltage detection circuit, a current detection circuit and a double-sided type-C interface;
the input of the analog switch circuit is respectively connected with the front surface and the reverse surface of the double-sided type-C interface, the output of the analog switch circuit is respectively connected with the voltage detection circuit and the current detection circuit and is respectively used for detecting voltage and current signals of the front surface and the reverse surface of the type-C interface; the analog switch circuit is connected with the main controller and is used for switching on a signal on the front side of the type-C interface or a signal on the back side of the type-C interface under the control of the main controller.
In the embodiment, the test line further comprises a test line, wherein the input of the test line is connected with a type-C port of the equipment to be tested, the output of the test line is connected with a double-sided type-C interface, the input of the test line is connected with the type-C port of the equipment to be tested, the output of the test line is divided into two paths, one path of the test line leads out an A-side signal of the type-C port and is connected with the front side of the double-sided tpye-C interface, and the other path of the test line leads out a B-side signal of the type-C port and is connected with the back side of the double-sided type-C interface. The connection principle of the test line is shown in fig. 4, and the data line of the type-C port of the device to be tested is led out correspondingly. And then, the output is divided into two paths which are respectively connected with the front surface and the back surface of the type-C interface of the detection device and respectively correspond to the A, B two surfaces of the type-C port of the equipment to be detected.
When the device provided by the utility model is used for testing the welding reliability of the type-C port of equipment to be tested, the adapter is connected to the charging adapter interface, then the signal wires on the two sides of the type-C port AB of the equipment to be tested are led out by adopting the test wires and are connected to the double-sided type-C interface of the detection device in an inserted manner, then the front side or the back side of the type-C interface is switched to the voltage and current detection circuit through the analog switch circuit, and the voltage and current signals led out from the surface A or the voltage and current signals led out from the surface B are respectively detected. Through a specific charging protocol, such as PD4.0, VBUS, GND, D +, D-, CC lines and the like of a Type-C port are generally used, if a signal line of A, B surfaces of a device to be tested has a cold joint, a charging voltage or current mismatch occurs at an output end, and thus the cold joint of the Type-C port is judged. When the cold joint exists according to the detection result of the voltage and the current, the LED lamp can be used for prompting.
Preferably, the electronic switch current-voltage detection circuit in this embodiment includes two channels, such as the channel one and the channel two in fig. 2, and only one channel may be used for testing during testing, or two channels may be used to simultaneously test two devices under test. The two double-color lamps are used for displaying different test states, and the working principle of the double-color lamps can be set according to specific requirements.
Particularly, as shown in fig. 1 to 3, the whole detection device further includes two single-pole single-throw relay circuits electrically connected to the main controller for linking other alarm devices. The buzzer circuit is electrically connected with the main controller and is used for giving out warning sound. The OLED interface controller also comprises a rotary dial switch electrically connected with the main controller and used for expanding and operating the OLED interface. The system also comprises a dial switch electrically connected with the main controller and used for selecting different quick charging communication protocols. The system also comprises a reserved serial port interface, an RS485 communication interface (used for expanding the communication with an upper computer) or an RS232 communication interface (used for expanding the application associated with other related software) which is electrically connected with the main controller and is used for expanding the communication connection. And the device also comprises a storage EEPROM circuit for storing relevant measurement data and the like. A schematic diagram of specific circuit components is shown in fig. 2.
Specifically, the software flow of the whole detection device during operation is as follows:
step S1: initializing a clock, initializing each IO initial state of STM32, configuring external port resources, initializing an external drive EEPROM and the like;
step S2: preprocessing EEPROM data;
step S3: reading a quick charging protocol corresponding to the dial switch, and determining a voltage and current range corresponding to the type-C port of the current detection equipment;
step S4: checking whether the charging adapter of each channel is accessed or not, and enabling a green light corresponding to the channel accessed to the charging adapter to flicker; otherwise, ending the detection;
step S5: checking whether the voltage and current values of the front interface of the corresponding channel are correct or not; if yes, switching to a reverse side signal, and checking whether the voltage and current signals of the reverse side interface are correct; if the voltage and current values of the front surface and the back surface are correct, the indicating green lamp of the corresponding channel is normally on, the buzzer alternately sounds, and other prompting modes can also be adopted; if the voltage and current values of any surface are incorrect, the red light of the corresponding channel is made to be normally on, the buzzer sounds for a long time, and other prompting modes can be adopted;
preferably, the relay reserved on the circuit board can be used for linking other equipment, and the reserved serial port can upload corresponding measurement data.
It is worth mentioning that the present invention protects the hardware structure, and the control method is not claimed. The above is merely one preferred embodiment of the present invention. However, the present invention is not limited to the above embodiments, and any equivalent changes and modifications made according to the embodiments of the present invention, which do not bring out the functional effects beyond the scope of the present invention, belong to the protection scope of the present invention.
Claims (7)
1. A simple type-C port welding reliability identification detection device is characterized by comprising a main controller, a double-color indicator lamp and a double-channel electronic switch current and voltage detection circuit, wherein the double-color indicator lamp and the double-channel electronic switch current and voltage detection circuit are electrically connected with the main controller;
the electronic switch current and voltage detection circuit of each channel comprises a charging adapter interface, an analog switch circuit, a voltage detection circuit, a current detection circuit and a double-sided type-C interface;
the input of the analog switch circuit is respectively connected with the front surface and the reverse surface of the double-sided type-C interface, the output of the analog switch circuit is respectively connected with the voltage detection circuit and the current detection circuit and is respectively used for detecting voltage and current signals of the front surface and the reverse surface of the type-C interface; the analog switch circuit is connected with the main controller and is used for switching on a signal on the front side of the type-C interface or a signal on the back side of the type-C interface under the control of the main controller.
2. The simple type-C port welding reliability identification detection device as claimed in claim 1, further comprising a test line with an input connected with a type-C port of the device to be tested and an output connected with a double-sided type-C interface, wherein the input of the test line is connected with the type-C port of the device to be tested, the output is divided into two paths, one path is used for leading out an A-side signal of the type-C port and connecting the A-side signal with the front side of the double-sided tpye-C interface, and the other path is used for leading out a B-side signal of the type-C port and connecting the B-side signal with the back side of the double-sided type-C interface.
3. The simple type-C port welding reliability identification detection device as claimed in claim 1, further comprising two single-pole single-throw relay circuits electrically connected with the main controller for linking other alarm devices.
4. The simple type-C port welding reliability identification detection device as claimed in claim 1, further comprising a buzzer circuit electrically connected with the main controller for emitting warning sound.
5. The simple type-C port welding reliability identification detection device as claimed in claim 1, further comprising a rotary dial switch electrically connected to the main controller for operation of the expansion and OLED interface.
6. The simple type-C port welding reliability identification detection device as claimed in claim 1, further comprising a dial switch electrically connected to the main controller for selecting different fast charging protocols.
7. The simple type-C port welding reliability identification and detection device as claimed in claim 1, further comprising a reserved serial port interface and an RS485 communication interface which are electrically connected with the master control and used for expanded communication connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022126969.7U CN215575602U (en) | 2020-09-24 | 2020-09-24 | Simple type-C port welding reliability identification and detection device |
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| CN202022126969.7U CN215575602U (en) | 2020-09-24 | 2020-09-24 | Simple type-C port welding reliability identification and detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114675214A (en) * | 2022-05-27 | 2022-06-28 | 四川恩巨实业有限公司 | Quality inspection platform for production of charging wires of mobile phone |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114675214A (en) * | 2022-05-27 | 2022-06-28 | 四川恩巨实业有限公司 | Quality inspection platform for production of charging wires of mobile phone |
| CN114675214B (en) * | 2022-05-27 | 2022-08-19 | 四川恩巨实业有限公司 | Quality inspection platform for production of charging wires of mobile phone |
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