CN205982346U - DC power supply load test device able to programme with USB C interface - Google Patents
DC power supply load test device able to programme with USB C interface Download PDFInfo
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- CN205982346U CN205982346U CN201620934647.6U CN201620934647U CN205982346U CN 205982346 U CN205982346 U CN 205982346U CN 201620934647 U CN201620934647 U CN 201620934647U CN 205982346 U CN205982346 U CN 205982346U
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Abstract
The utility model relates to a DC power supply load test device, a DC power supply load test device able to programme with USB C interface, including MCU the control unit and rather than the network interface, the USB that link to each other respectively A interface, measuring unit and power load the control unit still include ACDC transformer module and rather than consecutive power supply regulation unit, power load the control unit and load regulating unit in addition, power load control unit respectively with power input / output interface and USB does C the control unit link to each other, USB C the control unit and USB the C interface links to each other, the power supply regulation unit still links to each other with the 9V power output interface. The utility model discloses convenient to carry, but the programming control function had, still have the function of adjustable power voltage output and load simultaneously, externally provide multiple test interface, especially include USB the C interface.
Description
Technical field
This utility model is related to a kind of DC source load testing device, more particularly, it relates to one kind has USB-C connect
The programmable DC power source loads test device of mouth.
Background technology
In the test system centered on computer, generally require using multiple different supply voltages, and connect
Different load values is tested to electronic product equipment, and is controlled by MCU control unit, to realize different electrical power magnitude of voltage
Regulation setting with load value is then particularly important.In addition, with the constantly improve of USB-C interfacing in recent years with become
Ripe, there is increasing electronic equipment to begin to use USB-C interface, so be badly in need of a kind of power supply testing device coming to having
The electronic equipment of USB-C interface is tested.
Content of the invention
In order to overcome the deficiencies in the prior art, this utility model purpose is that offer is a kind of has USB-C interface
Programmable DC power source loads test device.This test device can pass through MCU control unit programming Control, to produce different
Supply voltage value and load value, can measure currently practical voltage, electric current and performance number simultaneously in real time.In addition, this test
Device also externally provides multiple different interfaces, including USB-A interface, network interface, and 9V DC source output interface, general
Power input/output interface, and test device provide USB-C interface, then can be used to test tested electronic equipment
The capacity of power of USB-C interface.
In order to realize foregoing invention purpose, in the presence of solving the problems, such as prior art, the technology that this utility model is taken
Scheme is：A kind of programmable DC power source loads test device with USB-C interface, including AC/DC transformer module, MCU
Control unit, power source loads control unit, power conditioning unit, load regulation unit, USB-C control unit, measuring unit,
USB-C interface, USB-A interface, network interface, 9V power output interface and power input/output interface, described MCU controls single
Unit is connected with network interface, USB-A interface, measuring unit and power source loads control unit respectively, described AC/DC transformator mould
Block, power conditioning unit, power source loads control unit and load regulation unit are sequentially connected, and described USB-C control unit is respectively
It is connected with USB-C interface and power source loads control unit, power source loads control unit is also connected with power input/output interface,
Described power conditioning unit is also connected with 9V power output interface.
Described power source loads control unit, main inclusion DC supply input module, energy supply control module and load control
Module, described DC supply input module connects energy supply control module, and energy supply control module adjusts mould with high-low voltage respectively
Block, filter circuit 1,2 and power supply output module are sequentially connected, described load control module respectively with large and small power termination module
And input circuit is sequentially connected, input circuit is also connected with load control module.
Described measuring unit includes sample circuit, filter circuit and the measuring circuit mould accessing circuit and being sequentially connected with it
Block.
This utility model beneficial effect is：A kind of programmable DC power source loads test device with USB-C interface, bag
Include AC/DC transformer module, MCU control unit, power source loads control unit, power conditioning unit, load regulation unit, USB-
C control unit, measuring unit, USB-C interface, USB-A interface, network interface, 9V power output interface and power input/output
Interface, described MCU control unit is connected with network interface, USB-A interface, measuring unit and power source loads control unit respectively,
Described AC/DC transformer module, power conditioning unit, power source loads control unit and load regulation unit are sequentially connected, described
USB-C control unit is connected with USB-C interface and power source loads control unit respectively, and power source loads control unit is also defeated with power supply
Enter/output interface connection, described power conditioning unit is also connected with 9V power output interface.Compared with the prior art, this practicality
New easy to carry, there is programmable control function, also there is regulated power supply voltage output and the function of load simultaneously, externally carry
For multiple test interfaces, especially include USB-C interface.
Brief description
Fig. 1 is this utility model theory diagram.
Fig. 2 is the power source loads control unit theory diagram in this utility model.
Fig. 3 is the measuring unit theory diagram in this utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of programmable DC power source loads test device with USB-C interface, including AC/DC transformation
Device module, MCU control unit, power source loads control unit, power conditioning unit, load regulation unit, USB-C control unit,
Measuring unit, USB-C interface, USB-A interface, network interface, 9V power output interface and power input/output interface, described
MCU control unit is connected with network interface, USB-A interface, measuring unit and power source loads control unit respectively, described AC/DC
Transformer module, power conditioning unit, power source loads control unit and load regulation unit are sequentially connected, and described USB-C controls
Unit is connected with USB-C interface and power source loads control unit respectively, and power source loads control unit is also connect with power input/output
Mouth connects, and described power conditioning unit is also connected with 9V power output interface.
As shown in Fig. 2 described power source loads control unit, main inclusion DC supply input module, energy supply control module
And load control module, described DC supply input module connects energy supply control module, energy supply control module respectively with high and low electricity
Pressure adjustment module, filter circuit 1,2 and power supply output module are sequentially connected, described load control module respectively with large and small power
Load blocks and input circuit are sequentially connected, and input circuit is also connected with load control module.Use process in test device
In, MCU control unit receives the programming Control instruction from computer, and instruction is transmitted to power source loads control unit.Electricity
Source load control unit is judged to the instruction receiving and is processed, and the message format being then converted into inside is sent to power supply
Control module or load control module.The size of energy supply control module output supply voltage as requested is controlling different electricity
The result that supply voltage exports can be fed back to power supply by pressure adjustment module, high voltage adjustment module and low-voltage adjustment module
Module.Connect filter circuit 1,2 respectively after high voltage adjustment module and the output of low-voltage adjustment module, filter out noise harmonious
Ripple, so as to obtain stable power supply output, exports finally by power supply output module and uses to test equipment.Load control module
Control different load blocks according to different demands, high power load module and low-power load module can will be adjusted simultaneously
Result feeds back to load control module.And load control module can be according to the instruction of power source loads control unit come control input electricity
Road, makes input circuit be connected in different load blocks.
As shown in figure 3, described measuring unit include access circuit and be sequentially connected with it sample circuit, filter circuit and
Measuring circuit module.Mainly including a precision in sample circuit is 1%, and resistance is the sample resistance in 0.01 Europe, obtains letter
Can be filtered by filter circuit after number, to obtain stable signal, then sampled signal is input to measuring circuit module, its
The main device including is IC chip INA226, and INA226 can measure real-time voltage, electric current and the performance number of place circuit,
And there is IIC communication function.By being connected with described MCU control unit, accept the control of MCU, and measurement result is returned
To MCU control unit.Measuring unit is present in each power access circuit in test device, exports back including common power
Road, USB-C interface power output loop, normal load input circuit, USB-C interface load input circuit, 9V power supply exports back
Road and AC/DC transformator input circuit, and controlled by MCU control unit, the measurement result of voltage, electric current and power is returned
To MCU control unit.
This utility model advantage is：A kind of programmable DC power source loads test device with USB-C interface carries
Convenient, there is programmable control function, also there is regulated power supply voltage output and the function of load simultaneously, multiple surveys are externally provided
Try mouth, especially include USB-C interface.
Claims (3)
1. a kind of programmable DC power source loads test device with USB-C interface, including AC/DC transformer module, MCU control
Unit processed, power source loads control unit, power conditioning unit, load regulation unit, USB-C control unit, measuring unit, USB-
C interface, USB-A interface, network interface, 9V power output interface and power input/output interface it is characterised in that：Described MCU
Control unit is connected with network interface, USB-A interface, measuring unit and power source loads control unit respectively, described AC/DC transformation
Device module, power conditioning unit, power source loads control unit and load regulation unit are sequentially connected, described USB-C control unit
It is connected with USB-C interface and power source loads control unit respectively, power source loads control unit is also with power input/output interface even
Connect, described power conditioning unit is also connected with 9V power output interface.
2. a kind of programmable DC power source loads test device with USB-C interface according to claim 1, its feature exists
In：Described power source loads control unit, main inclusion DC supply input module, energy supply control module and load control module,
Described DC supply input module connects energy supply control module, energy supply control module respectively with high-low voltage adjustment module, filter
Circuit 1,2 and power supply output module are sequentially connected, and described load control module is electric with large and small power termination module and input respectively
Road is sequentially connected, and input circuit is also connected with load control module.
3. a kind of programmable DC power source loads test device with USB-C interface according to claim 1, its feature exists
In：Described measuring unit includes sample circuit, filter circuit and the measuring circuit module accessing circuit and being sequentially connected with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620934647.6U CN205982346U (en) | 2016-08-24 | 2016-08-24 | DC power supply load test device able to programme with USB C interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620934647.6U CN205982346U (en) | 2016-08-24 | 2016-08-24 | DC power supply load test device able to programme with USB C interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205982346U true CN205982346U (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620934647.6U Active CN205982346U (en) | 2016-08-24 | 2016-08-24 | DC power supply load test device able to programme with USB C interface |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663590A (en) * | 2018-05-15 | 2018-10-16 | 硅谷数模半导体（北京）有限公司 | The test device and method of USB-C equipment |
| CN111371308A (en) * | 2018-12-25 | 2020-07-03 | 华为技术有限公司 | Power supply design and device |
-
2016
- 2016-08-24 CN CN201620934647.6U patent/CN205982346U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663590A (en) * | 2018-05-15 | 2018-10-16 | 硅谷数模半导体（北京）有限公司 | The test device and method of USB-C equipment |
| CN111371308A (en) * | 2018-12-25 | 2020-07-03 | 华为技术有限公司 | Power supply design and device |
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