CN206248804U - The charging quality test system and mancarried device of a kind of USB electric supply installations - Google Patents
The charging quality test system and mancarried device of a kind of USB electric supply installations Download PDFInfo
- Publication number
- CN206248804U CN206248804U CN201620906901.1U CN201620906901U CN206248804U CN 206248804 U CN206248804 U CN 206248804U CN 201620906901 U CN201620906901 U CN 201620906901U CN 206248804 U CN206248804 U CN 206248804U
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- module
- usb
- electric supply
- control
- charging quality
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Abstract
The utility model discloses the charging quality test system and mancarried device of a kind of USB electric supply installations, the system includes：Usb interface module, electronic load module, voltage detection module, control module and result display module；The usb interface module is connected by voltage detection module with the voltage detecting end of control module, the PWM inputs of the electronic load module are connected with the PWM output ends of control module, the load current input of the electronic load module is connected with usb interface module, and the display control end of the control module is connected with result display module.The utility model can detect whether the output voltage that can test out USB electric supply installations is up to standard, its simple structure, and with low cost, intuitive is strong, it is easy to promote, it is adaptable to which layman uses to the charging quality of USB electric supply installations.
Description
Technical field
The utility model is related to USB electric supply installation testing fields, especially a kind of charging quality test of USB electric supply installations
System, and a kind of portable test arrangement based on the system.
Background technology
USB electric supply installations refer to the charging terminal such as including charger and portable power source with USB interface.USB electric supply installations
It is device necessary to smart machine, and with the large-scale application of smart machine, the production firm of USB electric supply installations also gets over
Come more, the yield of USB electric supply installations is also increasing.However, the USB electric supply installation quality sold in the market is irregular not
Together, low-quality USB electric supply installations may influence charge efficiency, or cannot be equipment charge, and severe one causes equipment to burn out, because
This, whether the quality of USB electric supply installations qualified, is extremely important, especially for consumer for, powered USB is chosen
Significant care is needed during device.
Therefore, in consumer when USB electric supply installations are bought, need badly a kind of can enter to the charging quality of USB electric supply installations
The detection means of row detection, to avoid buying bum charging device, and current USB electric supply installations detection means one
As be all a kind of tester suitable for relevant speciality personage, it needs operator to possess certain Electronics knowledge, and purchase
Buy high cost.
And for the laymans such as consumer, vendor, the testing cost of the tester of this specialty is high, and easily behaviour
The property made is poor, and the quality and performance that layman can not be quickly and intuitively to USB electric supply installations make assessment.
Utility model content
Utility model purpose of the present utility model is：For above-mentioned problem, there is provided a kind of USB electric supply installations
Charging quality test system, and a kind of portable test arrangement based on the system.
The technical solution adopted in the utility model is as follows：A kind of charging quality test system of USB electric supply installations, the system
System includes：Usb interface module, electronic load module, voltage detection module, control module and result display module；The USB connects
Mouth mold block is connected by voltage detection module with the voltage detecting end of control module, the PWM inputs of the electronic load module
It is connected with the PWM output ends of control module, the load current input of the electronic load module is connected with usb interface module,
The display control end of the control module is connected with result display module.
Based on above-described embodiment, further, the system also includes the power supply adjusting module and boost module of series connection, institute
State the output end of boost module to be connected with the operating voltage input of electronic load module, the switch control terminal of the boost module
It is connected with the boosting rectifier control end of control module, the input of the boost module is connected with the output end of power supply adjusting module, institute
The input for stating power supply adjusting module is connected with usb interface module, the output end of the power supply adjusting module also with control module
Power end connection.
Based on any of the above-described embodiment, further, the system also includes switch module, the electronic load module
Load current input is connected by switch module with usb interface module, control end and the control module of the switch module
Switch control terminal is connected.
Based on any of the above-described embodiment, further, the system also includes Voltage stabilizing module, and the Voltage stabilizing module is connected to
Between usb interface module and voltage detection module.
Based on any of the above-described embodiment, further, the system also includes the memory module being connected with control module, uses
In the magnitude of voltage of stored voltage detection module collection.
Based on any of the above-described embodiment, further, the system also includes the clock module being connected with control module.
Based on any of the above-described embodiment, further, the result display module includes that one or more are used to represent and works as
First LED light of preceding test size of current, and one or more are for representing the charging quality under current test electric current
Second LED light of grade.
Based on any of the above-described embodiment, further, the usb interface module includes reversible USB male joint connector.
The utility model also proposed a kind of mancarried device, including housing and internal circuit board, the internal circuit board collection
Into there is charging quality test system described in any of the above-described embodiment, the housing is provided with matched with usb interface module
One opening and the second opening matched with result display module.
Based on above-described embodiment, further, second opening includes the first son matched with the first LED light
Opening and the second son opening matched with the second LED light.
In sum, by adopting the above-described technical solution, the beneficial effects of the utility model are：
The utility model proposes a kind of charging quality test system of USB electric supply installations, using electronic load module pair
The charging performance of USB electric supply installations is detected whether the output voltage that can test out USB electric supply installations is up to standard, the letter of its structure
It is single, with low cost, easy to spread, it is adaptable to which that layman uses.Test result directly can be shown using LED, intuitively
Property is strong.The utility model also proposed a kind of portable test arrangement based on the system, and its compact can make common U
Disk size, is easy to carry, and practicality is high.
Brief description of the drawings
The utility model will be illustrated by example and with reference to the appended drawing, wherein：
Fig. 1 is circuit block diagram of the present utility model.
Fig. 2 is the circuit diagram of electronic load module in the utility model.
Fig. 3 is the circuit theory diagrams of the utility model breaker in middle module and voltage detection module.
Fig. 4 is the circuit diagram of boost module in the utility model.
Fig. 5 is appearance schematic diagram of the present utility model.
In figure, 1- housings, 2- first is open, and 3- second is open, of 31- first opening, of 32- second opening.
Specific embodiment
This specification（Including any accessory claim, summary）Disclosed in any feature, unless specifically stated otherwise,
Equivalent by other or with similar purpose alternative features are replaced.I.e., unless specifically stated otherwise, each feature is a series of
An example in equivalent or similar characteristics.
As shown in Fig. 1, Fig. 1 describes a kind of charging quality test system of USB electric supply installations, and the system includes：
Usb interface module, electronic load module, voltage detection module, control module and result display module；The usb interface module
It is connected with the voltage detecting end ADC of control module by voltage detection module, PWM inputs and the control of the electronic load module
The PWM output ends connection of molding block, the load current input VCC-P of the electronic load module is connected with usb interface module,
The display control end of the control module is connected with result display module.
Further, the system also includes the clock module being connected with control module, there is provided clock signal, in order to control
Molding block is obtained and stores magnitude of voltage not in the same time, and analysis is compared to the magnitude of voltage not in the same time, and generation is charged
The object command of quality.
Further, the result display module includes that one or more are used to represent the first of current test size of current
LED light, and one or more the second LED lights for representing the charging quality grade under current test electric current,
Display result simple, intuitive.
Based on any of the above-described embodiment, further, the system also includes the power supply adjusting module of series connection and rises pressing mold
Block, the output end of the boost module is connected with the operating voltage input VCC of electronic load module, and the boost module is opened
Close control end to be connected with the boosting rectifier control end PA3 of control module, the input of the boost module is defeated with power supply adjusting module
Go out end connection, the input of the power supply adjusting module is connected with usb interface module, and the output end of the power supply adjusting module is also
It is connected with the power end VDD of control module.General, the 3.3V voltages of power supply adjusting module are risen to 5V electricity by boost module
Pressure.
The power supply adjusting module includes XC6206P332MR chips.
Based on any of the above-described embodiment, further, the system also includes switch module, the electronic load module
Load current input is connected by switch module with usb interface module, control end and the control module of the switch module
Switch control terminal PA2 is connected.
As shown in Fig. 2 circuit diagrams of the Fig. 2 for electronic load module, in the utility model, the electronic load module is main
Including operational amplifier U5, metal-oxide-semiconductor Q5 and sampling resistor R37, wherein, the VCC ends of the operational amplifier U5 and boost module
The connection of 5V voltage output ends, its output end be connected with the grid of metal-oxide-semiconductor Q5, the source electrode company of its input IN- and metal-oxide-semiconductor Q5
Connect, its input IN+ is connected with the PWM output ends of control module, the source electrode of the metal-oxide-semiconductor Q5 is by sampling resistor R37 and ground
Docking, its drain electrode is connected with load current input VCC-P.
As shown in figure 3, the switch module mainly base stage of bag triode Q3 and metal-oxide-semiconductor Q2, the triode Q3 and control
Molding block switch control terminal PA2 connection, its emitter stage with dock, its colelctor electrode, the grid of metal-oxide-semiconductor Q2 and metal-oxide-semiconductor Q2's
Source electrode is connected with usb interface module, and the drain electrode of the metal-oxide-semiconductor Q2 is connected with load current input VCC-P.
The voltage detection module mainly includes the resistance R1 and electric capacity C1 of resistance R3 and parallel connection, one end of resistance R3 with
Usb interface module is connected, and the other end of resistance R3 is connected with the voltage detecting end ADC of control module, and the other end of resistance R3 is also
By resistance R1 with dock.
As shown in figure 4, circuit diagrams of the Fig. 4 for boost module, the boost module is mainly including triode Q7, filter circuit
With DC/DC boost converters U6, the emitter stage of the triode Q7 is connected with the output end of power supply adjusting module, accesses 3.3V electricity
Pressure, the base stage of the triode Q7 is connected with the boosting rectifier control end PA3 of control module, and the colelctor electrode of the triode Q7 is by filter
Wave circuit is connected with the input LX of DC/DC boost converters U6, output end OUT and the electricity of the DC/DC boost converters U6
The operating voltage input VCC connections of sub- load blocks.The boost module may also include Schottky diode D3, the Schottky two
Pole pipe D3 is connected in parallel between the input of DC/DC boost converters U6 and output end.
Based on any of the above-described embodiment, further, the system also includes Voltage stabilizing module, and the Voltage stabilizing module is connected to
Between usb interface module and voltage detection module.General, Voltage stabilizing module can use voltage-regulator diode.
Based on any of the above-described embodiment, further, the system also includes the memory module being connected with control module, uses
In the magnitude of voltage of stored voltage detection module collection.General, memory module can use EEprom modules, such as AT24C02 chips.
Further, the usb interface module includes reversible USB male joint connector.
Operation principle of the present utility model is：By the USB females connection of the tested USB electric supply installations of usb interface module insertion
Device, the voltage that 3.3V is provided by Voltage stabilizing module and power supply adjusting module for control module of USB electric supply installations, voltage detecting mould
Block gathers the magnitude of voltage of current USB electric supply installations by Voltage stabilizing module, and is sent to control module by voltage detecting end ADC,
Control module output switch control signal and voltage up control signal, open switch module and boost module so that electronic load mould
BOB(beginning of block) works, control module output pwm signal to electronic load module, the test electric current for adjusting electronic load module
Size.Magnitude of voltage of the control module by current magnitude of voltage and before is compared, and generates the object command of charging quality, control the
One LED light flickers to show current test electric current, and the second LED light of control flickers to show current test electric current
Corresponding charging quality grade.
As shown in figure 4, Fig. 4 describes a kind of mancarried device, including housing 1 and internal circuit board, the internal circuit board
It is integrated with charging quality test system described in any of the above-described embodiment, the housing is provided with and matches with usb interface module
First opening 2 and the second opening 3 matched with result display module.
Based on above-described embodiment, further, second opening 3 includes match with the first LED light first
Son opening 31 and the second son opening 32 matched with the second LED light.
Volume of the present utility model can make USB flash disk size, and compact is easy to carry.
The utility model is not limited to foregoing specific embodiment.The utility model expands to any in this specification
The new feature of middle disclosure or any new combination, and disclose any new method or process the step of or any new group
Close.
Claims (10)
1. a kind of charging quality test system of USB electric supply installations, it is characterised in that the system includes：Usb interface module,
Electronic load module, voltage detection module, control module and result display module；The usb interface module passes through voltage detecting
Module is connected with the voltage detecting end of control module, and the PWM inputs of the electronic load module are exported with the PWM of control module
End connection, the load current input of the electronic load module is connected with usb interface module, the display control of the control module
End processed is connected with result display module.
2. a kind of charging quality test system of USB electric supply installations according to claim 1, it is characterised in that the system
System also includes the power supply adjusting module and boost module of series connection, the output end of the boost module and the work of electronic load module
Voltage input end is connected, and the switch control terminal of the boost module is connected with the boosting rectifier control end of control module, described liter of pressing mold
The input of block is connected with the output end of power supply adjusting module, and input and the usb interface module of the power supply adjusting module connect
Connect, the output end of the power supply adjusting module is also connected with the power end of control module.
3. a kind of charging quality test system of USB electric supply installations according to claim 1, it is characterised in that the system
System also includes switch module, and the load current input of the electronic load module is connected by switch module with usb interface module
Connect, the control end of the switch module is connected with the switch control terminal of control module.
4. a kind of charging quality test system of USB electric supply installations according to claim 1, it is characterised in that the system
System also includes Voltage stabilizing module, and the Voltage stabilizing module is connected between usb interface module and voltage detection module.
5. a kind of charging quality test system of USB electric supply installations according to claim 1, it is characterised in that the system
System also includes the memory module being connected with control module, for the magnitude of voltage of stored voltage detection module collection.
6. a kind of charging quality test system of USB electric supply installations according to claim 1, it is characterised in that the system
System also includes the clock module being connected with control module.
7. a kind of charging quality test system of USB electric supply installations according to claim 1, it is characterised in that the knot
Fruit display module includes that one or more are used to represent the first LED light of current test size of current, and one or many
Individual the second LED light for representing the charging quality grade under current test electric current.
8. a kind of charging quality test system of USB electric supply installations according to claim 1, it is characterised in that the USB
Interface module includes reversible USB male joint connector.
9. a kind of mancarried device, including housing（1）With charging quality test system described in integrated any one of claim 1-8
Internal circuit board, it is characterised in that：The housing（1）It is provided with the first opening matched with usb interface module（2）And with knot
The second opening that fruit display module matches（3）.
10. a kind of mancarried device according to claim 9, it is characterised in that second opening（3）Including with first
The first son opening that LED light matches（31）And the second son opening matched with the second LED light（32）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620906901.1U CN206248804U (en) | 2016-08-19 | 2016-08-19 | The charging quality test system and mancarried device of a kind of USB electric supply installations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620906901.1U CN206248804U (en) | 2016-08-19 | 2016-08-19 | The charging quality test system and mancarried device of a kind of USB electric supply installations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206248804U true CN206248804U (en) | 2017-06-13 |
Family
ID=58998202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620906901.1U Expired - Fee Related CN206248804U (en) | 2016-08-19 | 2016-08-19 | The charging quality test system and mancarried device of a kind of USB electric supply installations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206248804U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426588A (en) * | 2019-09-03 | 2019-11-08 | 纽福克斯光电科技（上海）有限公司 | Charger detection device and system |
-
2016
- 2016-08-19 CN CN201620906901.1U patent/CN206248804U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426588A (en) * | 2019-09-03 | 2019-11-08 | 纽福克斯光电科技（上海）有限公司 | Charger detection device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20210819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |