CN219915790U - Portable test platform of PD3.0 power adapter - Google Patents
Portable test platform of PD3.0 power adapter Download PDFInfo
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- CN219915790U CN219915790U CN202320909237.6U CN202320909237U CN219915790U CN 219915790 U CN219915790 U CN 219915790U CN 202320909237 U CN202320909237 U CN 202320909237U CN 219915790 U CN219915790 U CN 219915790U
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Abstract
The utility model discloses a portable test platform of a PD3.0 power adapter, which comprises: MCU master control circuit unit; the quick charge control circuit is electrically connected with the MCU main control circuit unit; the DAC output unit is electrically connected with the MCU main control circuit unit; the ADC acquisition unit comprises a first ADC acquisition unit which is electrically connected with the MCU main control circuit unit; and the electronic load circuit module is electrically connected with the first ADC acquisition unit and the quick charge control circuit. The mini-type test platform is easy to integrate and build, has simple process, low energy consumption, low production cost and small and portable body size, and can be widely applied to occasions outside the production field.
Description
Technical Field
The utility model relates to the technical field of testing, in particular to a portable testing platform of a PD3.0 power adapter.
Background
The existing power supply type test system comprises AC alternating current sources, electronic loads, power meters, DMM universal meters, oscilloscopes and other instruments and meters, a test platform formed by stacking the instruments and meters in a cabinet mode is high in price and large in volume, a test computer is additionally arranged, a plurality of auxiliary test boards are arranged, a test clamp is arranged, and all the components are integrated on the cabinet type test platform. Is only suitable for mass production on the production site.
The prior art has the defects of various equipment, huge volume and large occupied space, and is not suitable for the flowability test operation, especially the test requirement of after-sale inspection of products.
Disclosure of Invention
The utility model mainly aims to provide a portable test platform of a PD3.0 power adapter, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a portable test platform for a PD3.0 power adapter, comprising:
MCU master control circuit unit;
the quick charge control circuit is electrically connected with the MCU main control circuit unit;
the DAC output unit is electrically connected with the MCU main control circuit unit;
the ADC acquisition unit comprises a first ADC acquisition unit which is electrically connected with the MCU main control circuit unit;
and the electronic load circuit module is electrically connected with the first ADC acquisition unit and the quick charge control circuit.
As a preferred embodiment, the DC acquisition unit comprises a second ADC acquisition unit electrically coupled to the MCU master control circuit unit.
As a preferred embodiment, further comprising a PD3.0 spoofing circuit, the PD3.0 spoofing circuit for spoofing the product to output the applied voltage, the PD3.0 spoofing circuit being electrically coupled with the second ADC acquisition unit and the flash charge control circuit.
As a preferred embodiment, further comprising a TYPE-C output interface electrically coupled with the PD3.0 spoofing circuit.
As a preferred embodiment, the system further comprises a status indication control circuit, wherein the status indication control circuit is electrically connected with the MCU main control circuit unit.
As a preferred implementation manner, the device further comprises a serial port screen display unit, wherein the serial port screen display unit is electrically connected with the MCU main control circuit unit.
As a preferred embodiment, the MCU further comprises a mode selection circuit electrically coupled to the MCU main control circuit unit.
As a preferred implementation manner, the type of the DAC output unit chip adopted by the DAC output unit is TLV5610, the DAC output unit is connected to the MCU master control circuit unit through the SPI bus, and the MCU master control circuit unit controls the DAC to output different voltages, and adjusts different constant current outputs.
As a preferred embodiment, the type of the DAC output unit is ADS1256, and the DAC output unit is connected to the MCU master control circuit unit through an SPI bus.
As a preferred implementation manner, the MCU master control circuit unit adopts an MCU model STM32F103VCT6.
Compared with the prior art, the utility model has the following beneficial effects: the utility model has reasonable design, convenient use, easy integration and construction of mini test platform, simple process, low energy consumption, low production cost, small and portable size, can be widely applied to occasions other than production sites, has comprehensive functions and is suitable for wide popularization.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a portable testing platform of a PD3.0 power adapter according to the present utility model.
Fig. 2 is a schematic diagram of MCU output of a portable test platform of a PD3.0 power adapter according to the present utility model.
Fig. 3 is a schematic diagram of a PD3.0 spoofing circuit of a portable test platform of a PD3.0 power adapter according to the present utility model.
Fig. 4 is a schematic structural diagram of an electronic load circuit of a portable testing platform of a PD3.0 power adapter according to the present utility model.
In the figure: 1. MCU master control circuit unit; 2. a fast charge control circuit; 3. a DAC output unit; 4. a first ADC acquisition unit; 5. an electronic load circuit module; 6. a second ADC acquisition unit; 7. a PD3.0 spoofing circuit; 8. a TYPE-C output interface; 9. a status indication control circuit; 10. a serial port screen display unit; 11. a mode selection circuit.
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 making any inventive effort, are intended to be within the scope of the utility model.
A portable test platform for a PD3.0 power adapter as shown in fig. 1-4, comprising:
an MCU master control circuit unit 1;
the quick charge control circuit 2 is electrically connected with the MCU main control circuit unit 1;
the DAC output unit 3 is electrically connected with the MCU master control circuit unit 1;
the ADC acquisition unit comprises a first ADC acquisition unit 4, and the first ADC acquisition unit 4 is electrically connected with the MCU main control circuit unit 1;
an electronic load circuit module 5, wherein the electronic load circuit module 5 is electrically connected with the first ADC acquisition unit 4 and the fast charge control circuit 2.
Referring to fig. 2, (1) the MCU outputs HighLevel or LowLevel to cfg_ch0/CH1/CH2, applying for different voltage outputs; (2) An ADS1256 high-precision 24-bit voltage acquisition unit is adopted, the MCU communicates with the ADS1256 in an SPI bus mode, the sampling rate is 30Ksps, and data acquisition of 8 channels can be simultaneously carried out; (3) The method is characterized in that a TI special DAC output unit chip TLV5610 is used as a core, a current sampling resistor and an operational amplifier are combined into a feedback unit, a high-power field effect transistor is used as a PWM switch unit, MCU and TLV5610 are communicated through an SPI bus, the DAC is controlled to output different voltages, and different constant current outputs are regulated;
current constant current output: 0-5A;
current readback accuracy: 1mA;
voltage readback accuracy: 1mV;
(4) A 7-inch serial port display screen and MCUBOard are adopted to replace a computer and a display, and serial port instructions are customized; (5) MCUBOard uses an advanced semiconductor company's high-density performance ARMCortex-M332 bit microcontroller STM32F103VCT6, which contains a 72MHz high-performance RISC core, high-speed embedded memory, and enhanced I/O and peripherals connected to 2 APB buses. STM32F103VCT6 has a 12-bit analog to digital converter, a timer, a PWM timer. Standard and advanced communication interfaces, multiple power saving modes allow for design for low power consumption use.
The DC acquisition unit comprises a second ADC acquisition unit 6, and the second ADC acquisition unit 6 is electrically connected with the MCU main control circuit unit 1.
Wherein, still include PD3.0 decoy circuit 7, PD3.0 decoy circuit 7 is used for the voltage that the decoy product output applied for, PD3.0 decoy circuit 7 with second ADC collection unit 6 and quick charge control circuit 2 electricity is connected.
Wherein, also include TYPE-C output interface 8, TYPE-C output interface 8 and PD3.0 decoy circuit 7 electricity are coupled.
The MCU control system also comprises a state indication control circuit 9, wherein the state indication control circuit 9 is electrically connected with the MCU main control circuit unit 1.
The display device further comprises a serial screen display unit 10, wherein an MCU+7inch display screen is adopted to replace a computer+a display, and the serial screen display unit 10 is electrically connected with the MCU main control circuit unit 1.
The MCU master control circuit unit 1 further comprises a mode selection circuit 11, wherein the mode selection circuit 11 is electrically connected with the MCU master control circuit unit 1.
The model of a chip of the DAC output unit 3 adopted by the DAC output unit 3 is TLV5610, the DAC output unit 3 is connected with the MCU master control circuit unit 1 through an SPI bus, and the MCU master control circuit unit 1 controls the DAC to output different voltages and adjusts different constant current outputs.
The model of the DAC output unit 3 is ADS1256, and the DAC output unit 3 is connected with the MCU master control circuit unit 1 through an SPI bus.
The MCU model adopted by the MCU master control circuit unit 1 is STM32F103VCT6.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. A portable testing platform for a PD3.0 power adapter, comprising:
an MCU master control circuit unit (1);
the quick charge control circuit (2) is electrically connected with the MCU main control circuit unit (1);
the DAC output unit (3) is electrically connected with the MCU main control circuit unit (1);
the ADC acquisition unit comprises a first ADC acquisition unit (4), and the first ADC acquisition unit (4) is electrically connected with the MCU main control circuit unit (1);
and the electronic load circuit module (5) is electrically connected with the first ADC acquisition unit (4) and the quick charge control circuit (2).
2. The portable test platform of a PD3.0 power adapter according to claim 1, characterized in that the DC acquisition unit comprises a second ADC acquisition unit (6), the second ADC acquisition unit (6) being electrically coupled with the MCU master control circuit unit (1).
3. The portable test platform of a PD3.0 power adapter according to claim 2, further comprising a PD3.0 spoofing circuit (7), the PD3.0 spoofing circuit (7) for spoofing the product output applied voltage, the PD3.0 spoofing circuit (7) being electrically coupled with the second ADC acquisition unit (6) and the fast charge control circuit (2).
4. A portable test platform for a PD3.0 power adapter according to claim 3, further comprising a TYPE-C output interface (8), the TYPE-C output interface (8) being electrically coupled with the PD3.0 spoofing circuit (7).
5. The portable test platform of a PD3.0 power adapter according to claim 4, further comprising a status indication control circuit (9), the status indication control circuit (9) being electrically coupled with the MCU master control circuit unit (1).
6. The portable test platform of a PD3.0 power adapter according to claim 5, further comprising a serial screen display unit (10), the serial screen display unit (10) being electrically coupled with the MCU master control circuit unit (1).
7. The portable test platform of a PD3.0 power adapter according to claim 6, further comprising a mode selection circuit (11), the mode selection circuit (11) being electrically coupled with the MCU master control circuit unit (1).
8. The portable test platform of the PD3.0 power adapter according to claim 7, wherein the type of the DAC output unit (3) chip adopted by the DAC output unit (3) is TLV5610, the DAC output unit (3) is connected with the MCU master control circuit unit (1) through the SPI bus, and the MCU master control circuit unit (1) controls the DAC to output different voltages and adjusts different constant current outputs.
9. The portable test platform of a PD3.0 power adapter according to claim 8, wherein the model of the DAC output unit (3) is ADS1256, and the DAC output unit (3) is connected to the MCU master circuit unit (1) through an SPI bus.
10. The portable test platform of a PD3.0 power adapter according to claim 9, wherein the MCU model adopted by the MCU master control circuit unit (1) is STM32F103VCT6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320909237.6U CN219915790U (en) | 2023-04-21 | 2023-04-21 | Portable test platform of PD3.0 power adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320909237.6U CN219915790U (en) | 2023-04-21 | 2023-04-21 | Portable test platform of PD3.0 power adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219915790U true CN219915790U (en) | 2023-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320909237.6U Active CN219915790U (en) | 2023-04-21 | 2023-04-21 | Portable test platform of PD3.0 power adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219915790U (en) |
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2023
- 2023-04-21 CN CN202320909237.6U patent/CN219915790U/en active Active
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