CN109412243A - A kind of circuit and its control method of abstract factory printer charger baby supply voltage - Google Patents
A kind of circuit and its control method of abstract factory printer charger baby supply voltage Download PDFInfo
- Publication number
- CN109412243A CN109412243A CN201811602737.5A CN201811602737A CN109412243A CN 109412243 A CN109412243 A CN 109412243A CN 201811602737 A CN201811602737 A CN 201811602737A CN 109412243 A CN109412243 A CN 109412243A
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- CN
- China
- Prior art keywords
- control terminal
- resistance
- resistor
- charger baby
- supply voltage
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- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of circuits of abstract factory printer charger baby supply voltage, including the first control terminal, second control terminal, third control terminal, first resistor, second resistance, 3rd resistor, 4th resistance and the 5th resistance, described first resistor one end is connected with the second control terminal, second resistance one end ground connection, the first resistor other end and the second resistance other end are connected with USB data line cathode, described 3rd resistor one end is connected with third control terminal, described 4th resistance one end is connected with the first control terminal, 5th resistance one end ground connection, the 3rd resistor other end, the 4th resistance other end and the 5th resistance other end are connected with USB data line anode, the first control terminal of control is controlled by MCU, the low and high level of second control terminal and third control terminal realizes the power supply electricity of control charger baby output Pressure.The configuration of the present invention is simple, easy to control controlled by MCU to charger baby send boosting command sequence.
Description
Technical field
The present invention relates to charger baby power supply technique field, specially a kind of abstract factory printer charger baby supply voltage
Circuit and its control method.
Background technique
The power supply mode of label machine common are following several at present: power supply adaptor power supply, lithium battery power supply,
Dry cell power supply.But all there are some disadvantages in above several power supply modes, power supply adaptor power supply is limited by the field, must
There need be the AC socket of 220V, be no such condition in many occasions；The power supply mode of lithium battery and dry cell, phase
The AC Power supply socket for not needing 220V much is facilitated for power supply adaptor, but there is a problem of that electric quantity consumption is fast,
The electricity ratio of itself storage is less.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of circuits of abstract factory printer charger baby supply voltage
And its control method, the circuit and its control method of abstract factory printer charger baby supply voltage are devised, directly with charging
Treasured is powered to label machine.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of abstract factory printer charging
The circuit of precious supply voltage, including the first control terminal, the second control terminal, third control terminal, first resistor, second resistance, third
Resistance, the 4th resistance and the 5th resistance, described first resistor one end are connected with the second control terminal, and the second resistance one terminates
Ground, the first resistor other end and the second resistance other end are connected with charger baby USB data line cathode, the 3rd resistor
One end is connected with third control terminal, and described 4th resistance one end is connected with the first control terminal, the 5th resistance one end ground connection, institute
It states the 3rd resistor other end, the 4th resistance other end and the 5th resistance other end to be connected with charger baby USB data line anode, institute
The first control terminal, the second control terminal and third control terminal is stated to be connected with MCU；
A kind of control method of the circuit of abstract factory printer charger baby supply voltage, comprising the following steps:
Step 1:MCU controls third control terminal and exports low level, and the first control terminal exports high level, the second control terminal floating
Input, i.e. high-impedance state, Program time delay 2-3s；
Step 2: MCU controls the first control terminal and exports high level, and the second control terminal exports high level, and third control terminal is floating
Sky input, i.e. high-impedance state.
Preferably, the first resistor resistance value is 20k Ω, and the second resistance resistance value is 4.7k Ω, the third
Resistance value is 220 Ω, and the 4th resistance value is 1k Ω, and the 5th resistance value is 10k Ω.
(3) beneficial effect
Compared with prior art, beneficial effects of the present invention are as follows: the present invention devises abstract factory printer charger baby
The circuit and its control method of supply voltage directly give label machine to power with charger baby, fill compared to common in the market
Electric treasured boost module, we design using electric resistance partial pressure, provide 5V to charger baby in conjunction with MCU software control method and boost to 9V
Boosting command sequence, realize charger baby 9V voltage output.
Detailed description of the invention
Fig. 1 is circuit diagram of the invention.
In figure: IO1_D+, the first control terminal, IO2_D-, the second control terminal, IO3_D+, third control terminal, R1, the first electricity
Resistance, R2, second resistance, R3,3rd resistor, the 4th resistance of R4, R5, the 5th resistance.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
What the supply voltage of charger baby output can change, it is realized by sending order to the USB data line of its USB interface
The variation of output voltage, charger baby export the command sequence of 9V voltage are as follows: USB data line cathode voltage 0.6V, USB data line are negative
High resistance state；It waits 2-3 seconds；USB data line cathode voltage 3.0V, USB data line cathode voltage 0.6V.
Mentioned order sequence is sent in order to realize to charger baby, devises a kind of abstract factory printer charger baby power supply electricity
The circuit of pressure, referring to Fig. 1, a kind of circuit of abstract factory printer charger baby supply voltage, including the first control terminal, second
Control terminal, third control terminal, first resistor, second resistance, 3rd resistor, the 4th resistance and the 5th resistance, the first resistor
One end is connected with the second control terminal, second resistance one end ground connection, the first resistor other end and the second resistance other end
It is connected with charger baby USB data line cathode, described 3rd resistor one end is connected with third control terminal, described 4th resistance one end
It is connected with the first control terminal, the 5th resistance one end ground connection, the 3rd resistor other end, the 4th resistance other end and the 5th
The resistance other end is connected with charger baby USB data line anode, and first control terminal, the second control terminal and third control terminal are equal
It is connected with MCU.
The first resistor resistance value is 20k Ω, and the second resistance resistance value is 4.7k Ω, the 3rd resistor resistance
Value is 220 Ω, and the 4th resistance value is 1k Ω, and the 5th resistance value is 10k Ω.
A kind of control method of the circuit of abstract factory printer charger baby supply voltage, comprising the following steps:
Step 1:MCU controls third control terminal and exports low level, and the first control terminal exports high level, the second control terminal floating
Input, i.e. high-impedance state, Program time delay 2-3s；
Step 2: MCU controls the first control terminal and exports high level, and the second control terminal exports high level, and third control terminal is floating
Sky input, i.e. high-impedance state.
It should be understood that be supply voltage used herein of MCU be 3.3V, the first control terminal, the second control terminal and
Third control terminal is connected with the common I/O of MCU.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. a kind of circuit of abstract factory printer charger baby supply voltage, which is characterized in that including the first control terminal, the second control
End, third control terminal, first resistor, second resistance, 3rd resistor, the 4th resistance and the 5th resistance processed, the first resistor one
End is connected with the second control terminal, and second resistance one end ground connection, the first resistor other end and the second resistance other end are equal
Be connected with charger baby USB data line cathode, described 3rd resistor one end is connected with third control terminal, described 4th resistance one end with
First control terminal is connected, the 5th resistance one end ground connection, the 3rd resistor other end, the 4th resistance other end and the 5th electricity
Resistance the other end be connected with charger baby USB data line anode, first control terminal, the second control terminal and third control terminal with
MCU is connected.
2. a kind of circuit of abstract factory printer charger baby supply voltage according to claim 1, it is characterised in that: institute
Stating first resistor resistance value is 20k Ω, and the second resistance resistance value is 4.7k Ω, and the 3rd resistor resistance value is 220 Ω,
The 4th resistance value is 1k Ω, and the 5th resistance value is 10k Ω.
3. a kind of control method of the circuit of abstract factory printer charger baby supply voltage according to claim 1,
It is characterized in that: the following steps are included:
Step 1:MCU controls third control terminal and exports low level, and the first control terminal exports high level, and the second control terminal floating is defeated
Enter, i.e. high-impedance state, Program time delay 2-3s；
Step 2: MCU controls the first control terminal and exports high level, and the second control terminal exports high level, and third control terminal floating is defeated
Enter, i.e. high-impedance state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811602737.5A CN109412243A (en) | 2018-12-26 | 2018-12-26 | A kind of circuit and its control method of abstract factory printer charger baby supply voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811602737.5A CN109412243A (en) | 2018-12-26 | 2018-12-26 | A kind of circuit and its control method of abstract factory printer charger baby supply voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109412243A true CN109412243A (en) | 2019-03-01 |
Family
ID=65461711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811602737.5A Pending CN109412243A (en) | 2018-12-26 | 2018-12-26 | A kind of circuit and its control method of abstract factory printer charger baby supply voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109412243A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140310545A1 (en) * | 2012-05-28 | 2014-10-16 | Huawei Device Co., Ltd. | Control Device for Current Switching and Electronic Device |
| CN204304536U (en) * | 2014-12-26 | 2015-04-29 | 罗勇进 | Mobile electronic device and the peripheral discrete circuit of quick charge |
| CN104617634A (en) * | 2015-02-26 | 2015-05-13 | 青岛歌尔声学科技有限公司 | Charge-discharge circuit and power bank |
| CN106394024A (en) * | 2016-11-22 | 2017-02-15 | 重庆品胜科技有限公司 | Power supply circuit system for portable label printer and working method thereof |
| CN206096296U (en) * | 2016-09-08 | 2017-04-12 | 惠州志顺电子实业有限公司 | A device for testing battery charging outfit |
-
2018
- 2018-12-26 CN CN201811602737.5A patent/CN109412243A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140310545A1 (en) * | 2012-05-28 | 2014-10-16 | Huawei Device Co., Ltd. | Control Device for Current Switching and Electronic Device |
| CN204304536U (en) * | 2014-12-26 | 2015-04-29 | 罗勇进 | Mobile electronic device and the peripheral discrete circuit of quick charge |
| CN104617634A (en) * | 2015-02-26 | 2015-05-13 | 青岛歌尔声学科技有限公司 | Charge-discharge circuit and power bank |
| CN206096296U (en) * | 2016-09-08 | 2017-04-12 | 惠州志顺电子实业有限公司 | A device for testing battery charging outfit |
| CN106394024A (en) * | 2016-11-22 | 2017-02-15 | 重庆品胜科技有限公司 | Power supply circuit system for portable label printer and working method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190301 |