CN206060275U - For testing the control circuit of fast charger - Google Patents
For testing the control circuit of fast charger Download PDFInfo
- Publication number
- CN206060275U CN206060275U CN201620975794.8U CN201620975794U CN206060275U CN 206060275 U CN206060275 U CN 206060275U CN 201620975794 U CN201620975794 U CN 201620975794U CN 206060275 U CN206060275 U CN 206060275U
- Authority
- CN
- China
- Prior art keywords
- resistance
- stable pressure
- controllable accurate
- accurate source
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000000087 stabilizing Effects 0.000 claims 1
- 230000000875 corresponding Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011030 bottleneck Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a kind of control circuit for testing fast charger, including first resistor, second resistance, 3rd resistor, 4th resistance, 5th resistance, controllable accurate source of stable pressure and single-pole double-throw switch (SPDT), the negative electrode Jing first resistors of controllable accurate source of stable pressure are connected with first port, the anode of controllable accurate source of stable pressure is connected with second port, second resistance is connected in parallel on the negative electrode of controllable accurate source of stable pressure and with reference between pole, 3rd resistor is connected in parallel between the reference pole of controllable accurate source of stable pressure and anode, it is connected in parallel between the anode and negative electrode of controllable accurate source of stable pressure after 4th resistance and the 5th resistant series；The two ends of the 5th resistance connect two contacts of single-pole double-throw switch (SPDT) by electric wire, and one end of single-pole double-throw switch (SPDT) connects the 3rd port, and the other end connects the 4th port.Only with pure hardware circuit, by 2.0 agreement of high pass, you can realize 5V, the output voltage of 9V, 12V, 20V uses simple and convenient, and low cost to this utility model.
Description
Technical field
This utility model is related to a kind of control circuit for testing fast charger, belongs to fast charger measuring technology
Field.
Background technology
With the popularization of smart mobile phone, jumbo mobile phone is also increasingly favored by consumer.Large Copacity mobile phone
Continuation of the journey problem but become the bottleneck of smart mobile phone development, thus fast charger be born.There are three kinds of fast mold fillings on the market at present
The charger of formula, one of which are using 2.0 agreement of high pass.This kind of fast charger, main output voltage is 5V, 9V, 12V,
20V, in production and test, it is desirable to have the special load matched with it can just make its corresponding voltage of output.Currently existing scheme
The voltage that corresponding Handshake Protocol triggers its output response is write using single-chip microcomputer then.This method high cost, and need
Certain software programming technique, requires for tester higher.
The content of the invention
Technical problem to be solved in the utility model is：Overcome the deficiencies in the prior art, there is provided a kind of fast for testing
The control circuit of charger, makes fast charger export different voltages.
In order to solve above-mentioned technical problem, the technical solution of the utility model is：It is a kind of for testing fast charger
Control circuit, including first resistor (R1), second resistance (R2), 3rd resistor (R3), the 4th resistance (R4), the 5th resistance
(R5), controllable accurate source of stable pressure and single-pole double-throw switch (SPDT), negative electrode Jing first resistors (R1) of the controllable accurate source of stable pressure and the
Single port (OUT+) connects, and the anode of controllable accurate source of stable pressure is connected with second port (OUT-), and second resistance (R2) is connected in parallel on
The negative electrode of controllable accurate source of stable pressure and with reference between pole, 3rd resistor (R3) is connected in parallel on the reference pole of controllable accurate source of stable pressure and sun
Between pole, be connected in parallel on after the 4th resistance (R4) and the series connection of the 5th resistance (R5) anode of controllable accurate source of stable pressure and negative electrode it
Between；Two contacts of the two ends of the 5th resistance (R5) by electric wire connection single-pole double-throw switch (SPDT), the one of single-pole double-throw switch (SPDT)
End the 3rd port (D+) of connection, the other end connect the 4th port (D-).
Further, integrated circuit of the controllable accurate source of stable pressure using model TL431.
Employ above-mentioned technical proposal, this utility model only with pure hardware circuit, by 2.0 agreement of high pass, you can real
Existing 5V, the output voltage of 9V, 12V, 20V use simple and convenient, and low cost；Single-pole double throw need to be only controlled during test
Switch be opened or closed or short circuit state can make the different voltages of fast charger output, it is simple to operation, and be easy to
Realize.
Description of the drawings
Fig. 1 is circuit diagram of the present utility model.
Specific embodiment
In order that content of the present utility model is easier to be clearly understood, below according to specific embodiment and with reference to attached
Figure, is described in further detail to this utility model.
As shown in figure 1, a kind of control circuit for testing fast charger, it is characterised in that：Including first resistor R1,
Second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, controllable accurate source of stable pressure and single-pole double-throw switch (SPDT), it is described
Negative electrode K Jing first resistors R1 of controllable accurate source of stable pressure are connected with first port OUT+, the anode A of controllable accurate source of stable pressure and the
Two-port netwerk OUT- connects, and second resistance R2 is connected in parallel on the negative electrode K of controllable accurate source of stable pressure and refers between the R of pole, 3rd resistor R3
It is connected in parallel between the reference pole R of controllable accurate source of stable pressure and anode A, is connected in parallel on after the 4th resistance R4 and the 5th resistance R5 series connection
Between the anode A and negative electrode K of controllable accurate source of stable pressure；The two ends of the 5th resistance R5 connect single-pole double-throw switch (SPDT) by electric wire
Two contacts, one end of single-pole double-throw switch (SPDT) connects the 3rd port D+, and the other end connects the 4th port D-.
Preferably, integrated circuit of the controllable accurate source of stable pressure using model TL431, the anode of controllable accurate source of stable pressure connect
Ground.
Operation principle of the present utility model is as follows：
First port OUT+ is connected into the anode of fast charger output port and normal load, second port OUT- connects
Connect the negative terminal of fast charger output port and normal load；3rd port D+ is connected into the data of fast charger output port
Port positive pole, the 4th port D- connect the FPDP negative pole of fast charger output port；
Normally opened contacts of the SW1 for single-pole double-throw switch (SPDT), when normally opened, D+ terminal voltages are 0.6V, and D- terminal voltages are 0V, by
The content of QC2.0 agreements understands that output voltage is 5V between OUT+, OUT-；
Push button, D+ ends, D- ends are connected in parallel on by single-pole double-throw switch (SPDT) for the two ends of the 5th resistance R5, due to charging
Device exports 5V voltages automatically, by the ratio for adjusting resistance R2, R3 so that D+ terminal voltages are 3.3V or so, by adjusting resistance
The ratio of R4, R5 so that the voltage at D- ends is 0.6V or so, from the content of QC2.0 agreements, defeated between OUT+, OUT-
Go out voltage for 9V；
By D+ ends, D- ends short circuit, the ratio of resistance R2, R3 is adjusted so that D+ ends, D- terminal voltages are 0.6V or so, by
The content of QC2.0 agreements understands that output voltage is 12V between OUT+, OUT-；Same principle, by D+ ends, D- ends short circuit,
Adjust the ratio of resistance R2, R3 so that D+, D- terminal voltage is 3.3V or so, from the content of QC2.0 agreements, OUT+,
Between OUT-, output voltage is 20V.
QC2.0 agreements are 2.0 agreement of high pass.
, only with pure hardware circuit, by 2.0 agreement of high pass, you can realize 5V, 9V's, 12V, 20V is defeated for this utility model
Go out voltage, use simple and convenient, and low cost；Resistance ratio need to be only adjusted during test, single-pole double-throw switch (SPDT) is controlled
Be opened or closed or short circuit state by make fast charger export different voltages, it is simple to operation, and be easily achieved.
Particular embodiments described above, the technical problem solved to this utility model, technical scheme and beneficial effect are entered
Go further description, it is be should be understood that to the foregoing is only specific embodiment of the utility model, and without
It is in this utility model is limited, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements done
Deng should be included within protection domain of the present utility model.
Claims (2)
1. a kind of control circuit for testing fast charger, it is characterised in that：Including first resistor (R1), second resistance
(R2), 3rd resistor (R3), the 4th resistance (R4), the 5th resistance (R5), controllable accurate source of stable pressure and single-pole double-throw switch (SPDT), described
Negative electrode Jing first resistors (R1) of controllable accurate source of stable pressure is connected with first port (OUT+), the anode of controllable accurate source of stable pressure with
Second port (OUT-) connects, and second resistance (R2) is connected in parallel on the negative electrode of controllable accurate source of stable pressure and with reference between pole, and the 3rd is electric
Resistance (R3) is connected in parallel between the reference pole of controllable accurate source of stable pressure and anode, and the 4th resistance (R4) and the 5th resistance (R5) connect it
It is connected in parallel between the anode and negative electrode of controllable accurate source of stable pressure afterwards；The two ends of the 5th resistance (R5) connect hilted broadsword by electric wire
Two contacts of commutator, one end of single-pole double-throw switch (SPDT) connect the 3rd port (D+), and the other end connects the 4th port
(D-).
2. the control circuit for testing fast charger according to claim 1, it is characterised in that：Controllable accurate voltage stabilizing
Integrated circuit of the source using model TL431.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620975794.8U CN206060275U (en) | 2016-08-30 | 2016-08-30 | For testing the control circuit of fast charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620975794.8U CN206060275U (en) | 2016-08-30 | 2016-08-30 | For testing the control circuit of fast charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206060275U true CN206060275U (en) | 2017-03-29 |
Family
ID=58377405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620975794.8U Active CN206060275U (en) | 2016-08-30 | 2016-08-30 | For testing the control circuit of fast charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206060275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113489101A (en) * | 2021-07-12 | 2021-10-08 | 常州机电职业技术学院 | Output voltage adjusting device and output voltage adjusting method for mobile phone charger |
-
2016
- 2016-08-30 CN CN201620975794.8U patent/CN206060275U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113489101A (en) * | 2021-07-12 | 2021-10-08 | 常州机电职业技术学院 | Output voltage adjusting device and output voltage adjusting method for mobile phone charger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203952417U (en) | Electronic cigarette circuit | |
| CN105301381B (en) | Automatic surge test system and test method | |
| CN104065125B (en) | A kind of charging system of electronic product | |
| CN204515009U (en) | A kind of super low-power consumption battery voltage detection circuit | |
| CN105826963B (en) | A kind of method, charging circuit and terminal for detecting cell voltage | |
| CN105186444B (en) | A kind of power supply protection circuit | |
| CN106716764B (en) | Wearable device and its charging method | |
| CN202196398U (en) | Power supply managing circuit of charging/ communication multiplex interface and digital electronic product | |
| CN204068306U (en) | A kind of charging system of electronic product | |
| CN203607899U (en) | Dual-charging system of mobile equipment | |
| CN206060275U (en) | For testing the control circuit of fast charger | |
| CN203632308U (en) | Charger | |
| CN207320876U (en) | A kind of charging circuit and charger | |
| CN103633719B (en) | A kind of charging system and charge control method thereof | |
| CN208140793U (en) | A kind of super low-power consumption battery voltage sampling circuit | |
| CN103997101B (en) | A kind of charging circuit and a kind of electronic equipment | |
| CN208656444U (en) | Wireless headset charging box with mobile phone charging function | |
| CN105763036B (en) | The fast start circuit of power chip and the measuring instrument made of the circuit | |
| CN107733413A (en) | A kind of Intelligent switching circuit and intelligent terminal for pre-installing battery system | |
| CN209486164U (en) | Microcontroller power supply low-voltage detection circuit without A D interface and internal reference voltage | |
| CN105652197A (en) | Portable electromagnetic relay tester with wireless communication function | |
| CN204350278U (en) | Communication device | |
| CN201222657Y (en) | Control integrated circuit for lithium battery charger and control circuit for polar change-over switch | |
| CN203455403U (en) | Battery voltage detection circuit based on Zener diode | |
| CN207768914U (en) | A kind of muscle electric stimulation weight reducing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |