CN209641973U - A kind of MCU single-chip microcontroller control can show the data line of voltage and current - Google Patents
A kind of MCU single-chip microcontroller control can show the data line of voltage and current Download PDFInfo
- Publication number
- CN209641973U CN209641973U CN201920036815.3U CN201920036815U CN209641973U CN 209641973 U CN209641973 U CN 209641973U CN 201920036815 U CN201920036815 U CN 201920036815U CN 209641973 U CN209641973 U CN 209641973U
- Authority
- CN
- China
- Prior art keywords
- circuit
- data line
- mcu single
- charging
- current
- 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.)
- Expired - Fee Related
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses the data lines that a kind of control of MCU single-chip microcontroller can show voltage and current, including control circuit board, display, USB plug, data line ontology and charging plug, control circuit board includes sample circuit, full of automatic power-off circuit, MCU single chip machine controlling circuit and digital display circuit, sample circuit is electrically connected to MCU single chip machine controlling circuit full of automatic power-off circuit circuit, and display is electrically connected to MCU single chip machine controlling circuit by digital display circuit.The utility model is the utility model has the advantages that the access of the utility model USB plug has display and control circuit board, and it is electrically connected by conducting wire with charging plug, user is carried out when the mobile phone is charging by charging plug, the DC voltage of charging can be come out with current value by the digital representation of display, can clearly know the DC voltage value and DC current values that mobile phone charges at this time；Automatic power-off circuit is additionally provided with, it can be achieved that ensure that safety full of automatically powering off.
Description
Technical field
The utility model relates to data in mobile phone technical field, especially a kind of MCU single-chip microcontroller control can show voltage and current
Data line.
Background technique
Current mobile phone charging data line on sale on the market, USB plug are inserted into charger USB socket, charging plug insertion
Mobile phone charges to mobile phone, does not have a kind of intuitive display mode to let the user know that in charging, at this time to mobile phone charging
DC voltage value is how many with current value, in fact it could happen that the case where be since charger and mobile phone mismatch or data line has
Problem is practically without and really charges to mobile phone although there are mobile phones itself to be shown in charged state, i.e., so-called " false
Fill " phenomenon；It can not know electric current, the voltage swing of charging equipment, it is possible to occur exceeding the rated output power of charger, make
Equipment and charger damage are electrically charged at mobile phone.
Therefore, it is necessary to propose that a kind of MCU single-chip microcontroller control can show the data line of voltage and current in response to the above problems.
Utility model content
The utility model aim is to overcome deficiency in the prior art, and providing a kind of control of MCU single-chip microcontroller can show
The data line of voltage and current.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions:
A kind of MCU single-chip microcontroller control can show that the data line of voltage and current, including control circuit board, display screen, USB are inserted
Head, data line ontology and charging plug, the USB plug are electrically connected to the charging plug, institute by the data line ontology
It states control circuit board to be set in the USB plug, the display screen is set to the USB plug wherein on an end face, described
Control circuit board includes sample circuit, full of automatic power-off circuit, MCU single chip machine controlling circuit, digital display circuit and display
Device, one end of the sample circuit are connected on USB plug, and the sample circuit is electrically connected to institute full of automatic power-off circuit
MCU single chip machine controlling circuit is stated, the display is electrically connected to the MCU single chip machine controlling circuit by digital display circuit.
Preferably, the data line ontology includes wire core and insulating layer, and the insulating layer is wrapped in outside wire core.
Preferably, one end of the wire core is electrically connected to the sample circuit, the other end electricity of the wire core
It is connected to the charging plug.
Preferably, the charging jack of the charging plug can be Lightning socket, Micro-USB socket or Type-
C socket.
Preferably, it is described full of automatic power-off circuit 7 include charging management chip U1, first resistor R1, second resistance R2,
3rd resistor R3, first capacitor C1 and the second capacitor C2, an end feet of the charging management chip U1 are electrically connected to described first
It resistance R1 and is grounded by first capacitor C1, the second end feet of the charging management chip U1 is grounded by 3rd resistor R3, institute
The third pin for stating charging management chip U1 passes through the second capacitor C2 ground connection respectively and connects 3rd resistor with by second resistance R2
R3。
Preferably, the second resistance is adjustable resistor.
Preferably, the model LM317 of the charging management chip.
The utility model is the utility model has the advantages that the access of the utility model USB plug has display and control circuit board, and passes through
Conducting wire is electrically connected with charging plug, and user is carried out when the mobile phone is charging by charging plug, and the DC voltage and current value of charging can
To come out by the digital representation of display, the DC voltage value and DC current values that mobile phone charges at this time can be clearly known,
" pretending to be " phenomenon is prevented, the rated output power beyond charger is prevented, mobile phone is caused to be electrically charged equipment and charger damage
It is bad；It is additionally provided with full of automatic power-off circuit, it can be achieved that ensure that safety full of automatically powering off.
Make furtherly below with reference to technical effect of the attached drawing to the design of the utility model, specific structure and generation
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Detailed description of the invention
Fig. 1 is the structure chart of the utility model；
Fig. 2 is the module frame chart of the utility model；
Fig. 3 is the utility model full of automatic power-off circuit figure.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
Such as Fig. 1 is simultaneously combined shown in Fig. 2 and Fig. 3, and a kind of MCU single-chip microcontroller control can show the data line of voltage and current, including
Control circuit board, display screen 10, USB plug 1, data line ontology 2 and charging plug 3, the USB plug 1 pass through the data
Line ontology 2 is electrically connected to the charging plug 3, and the control circuit board is set in the USB plug 1, the display screen 10
The USB plug 1 is set to wherein on an end face, the control circuit board include sample circuit 6, full of automatic power-off circuit 7,
One end of MCU single chip machine controlling circuit 5, digital display circuit 9 and display 8, the sample circuit 6 is connected to USB plug 1
On, the sample circuit 6 is electrically connected to the MCU single chip machine controlling circuit 5, the display 8 full of automatic power-off circuit 7
The MCU single chip machine controlling circuit 5 is electrically connected to by digital display circuit 9.
Further, the data line ontology 2 includes wire core and insulating layer, and the insulating layer is wrapped in wire core
Outside, one end of the wire core is electrically connected to the sample circuit 6, and the other end of the wire core is electrically connected to described fill
Plug 3.
Wherein, the charging jack of the charging plug 3 can be Lightning socket, Micro-USB socket or Type-C
Socket.
Further, described to include charging management chip U1, first resistor R1, second resistance full of automatic power-off circuit 7
R2,3rd resistor R3, first capacitor C1 and the second capacitor C2, an end feet of the charging management chip U1 are electrically connected to described
It first resistor R1 and is grounded by first capacitor C1, the second end feet of the charging management chip U1 is connect by 3rd resistor R3
Ground, the third pin of the charging management chip U1 pass through the second capacitor C2 ground connection respectively and connect third with by second resistance R2
Resistance R3, the second resistance R2 are adjustable resistor, the model LM317 of the charging management chip U1.
The access of the utility model USB plug has display and control circuit board, and is electrically connected by conducting wire and charging plug
It connects, user is carried out when the mobile phone is charging by charging plug, and the DC voltage and current value of charging can pass through the number of display
It shows, can clearly know the DC voltage value and DC current values that mobile phone charges at this time, prevent " pretending to be " phenomenon,
The rated output power beyond charger is prevented, mobile phone is caused to be electrically charged equipment and charger damage；It is additionally provided with from dynamic circuit breaker
Circuit ensure that safety, it can be achieved that full of automatically powering off.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain
Available technical solution is tested, it all should be within the scope of protection determined by the claims.
Claims (7)
1. the data line that a kind of MCU single-chip microcontroller control can show voltage and current, it is characterised in that: including control circuit board, display
Shield (10), USB plug (1), data line ontology (2) and charging plug (3), the USB plug (1) passes through the data line ontology
(2) it is electrically connected to the charging plug (3), the control circuit board is set in the USB plug (1), the display screen
(10) USB plug (1) is set to wherein on an end face, and the control circuit board includes sample circuit (6), full of from dynamic circuit breaker
Circuit (7), MCU single chip machine controlling circuit (5), digital display circuit (9) and display (8), the one of the sample circuit (6)
End is connected on USB plug (1), and the sample circuit (6) is electrically connected to the MCU single-chip microcontroller full of automatic power-off circuit (7)
Control circuit (5), the display (8) are electrically connected to the MCU single chip machine controlling circuit (5) by digital display circuit (9).
2. the data line that a kind of MCU single-chip microcontroller control as described in claim 1 can show voltage and current, it is characterised in that: institute
Stating data line ontology (2) includes wire core and insulating layer, and the insulating layer is wrapped in outside wire core.
3. the data line that a kind of MCU single-chip microcontroller control as claimed in claim 2 can show voltage and current, it is characterised in that: institute
The one end for stating wire core is electrically connected to the sample circuit (6), and the other end of the wire core is electrically connected to the charging
Plug (3).
4. the data line that a kind of MCU single-chip microcontroller control as described in claim 1 can show voltage and current, it is characterised in that: institute
The charging jack for stating charging plug (3) can be Lightning socket, Micro-USB socket or Type-C socket.
5. the data line that a kind of MCU single-chip microcontroller control as described in claim 1 can show voltage and current, it is characterised in that: institute
Stating full of automatic power-off circuit (7) includes charging management chip U1, first resistor R1, second resistance R2,3rd resistor R3, first
Capacitor C1 and the second capacitor C2, an end feet of the charging management chip U1 are electrically connected to the first resistor R1 and by first
Capacitor C1 ground connection, the second end feet of the charging management chip U1 are grounded by 3rd resistor R3, the charging management chip U1
Third pin pass through the second capacitor C2 respectively and be grounded and with by second resistance R2 connect 3rd resistor R3.
6. the data line that a kind of MCU single-chip microcontroller control as claimed in claim 5 can show voltage and current, it is characterised in that: institute
Stating second resistance R2 is adjustable resistor.
7. the data line that a kind of MCU single-chip microcontroller control as claimed in claim 5 can show voltage and current, it is characterised in that: institute
State the model LM317 of charging management chip U1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920036815.3U CN209641973U (en) | 2019-01-09 | 2019-01-09 | A kind of MCU single-chip microcontroller control can show the data line of voltage and current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920036815.3U CN209641973U (en) | 2019-01-09 | 2019-01-09 | A kind of MCU single-chip microcontroller control can show the data line of voltage and current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209641973U true CN209641973U (en) | 2019-11-15 |
Family
ID=68477310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920036815.3U Expired - Fee Related CN209641973U (en) | 2019-01-09 | 2019-01-09 | A kind of MCU single-chip microcontroller control can show the data line of voltage and current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209641973U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023030201A1 (en) * | 2021-08-28 | 2023-03-09 | 梁丽华 | Charging data cable having oled display screen and capable of displaying images and text |
-
2019
- 2019-01-09 CN CN201920036815.3U patent/CN209641973U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023030201A1 (en) * | 2021-08-28 | 2023-03-09 | 梁丽华 | Charging data cable having oled display screen and capable of displaying images and text |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206272219U (en) | A kind of overvoltage and reverse-connection protection circuit and its equipment | |
| CN209641973U (en) | A kind of MCU single-chip microcontroller control can show the data line of voltage and current | |
| CN201255758Y (en) | Single phase AC power socket circuit detecting device | |
| CN207490575U (en) | A kind of anti-sparking function lithium electric protection plate of discharge end | |
| CN107464411B (en) | MBUS circuit for centralized meter reading system | |
| CN201898656U (en) | Protective circuit of waterlogged mobile terminal circuit board and mobile terminal | |
| US9214800B2 (en) | Surge protection circuit | |
| CN105186244B (en) | The connection method of socket device and socket device | |
| CN207967530U (en) | The cellular phone data line of voltage and current value can be shown when a kind of charging | |
| CN202616544U (en) | Terminal PC (personal computer) multifunctional lightning protection socket | |
| CN206004094U (en) | A kind of socket with charging protection function | |
| CN201708536U (en) | PD power receiving equipment interface protocol circuit formed by discrete device | |
| CN209462558U (en) | A kind of power-off restoration device and earphone, speaker | |
| CN201332188Y (en) | Energy-saving power supply socket | |
| CN202917746U (en) | Intelligent safety socket | |
| CN201127057Y (en) | Power supply and protective circuit for USB interface as well as digital television receiver having the same | |
| CN201859998U (en) | Multifunctional protection energy-saving computer socket | |
| CN2909656Y (en) | Leakage alarm device of three-pin plug-in two-pin socket | |
| CN205863463U (en) | A kind of lightning protection device and the special double-legged high power horizontal type electric connector of lightning protection device | |
| CN204758659U (en) | Terminal box for metering device is changed to area load | |
| CN209374852U (en) | Data line | |
| CN201152871Y (en) | Visibility instrument | |
| CN201918693U (en) | UPS (uninterrupted power supply) device with emergency control switch | |
| CN206041142U (en) | Data line with charge indicator and intelligence outage | |
| CN201749137U (en) | An electric larceny preventing device for a fire line and an earth lead |
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: 20191115 Termination date: 20220109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |