CN205811595U - A kind of fully charged after automatically power off smart mobile phone charging bodyguard's circuit - Google Patents
A kind of fully charged after automatically power off smart mobile phone charging bodyguard's circuit Download PDFInfo
- Publication number
- CN205811595U CN205811595U CN201620657347.8U CN201620657347U CN205811595U CN 205811595 U CN205811595 U CN 205811595U CN 201620657347 U CN201620657347 U CN 201620657347U CN 205811595 U CN205811595 U CN 205811595U
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- China
- Prior art keywords
- mobile phone
- circuit
- charging
- bodyguard
- detection circuit
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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.)
- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of fully charged after automatically power off smart mobile phone charging bodyguard's circuit, including the Intelligent detection circuit being located in smart mobile phone charging bodyguard's box body, Intelligent detection circuit is provided with MCU integrated circuit modules, current detection circuit, power supply on-off control circuit, the input of Intelligent detection circuit is connected with mains supply, current detection circuit is connected with the AC DC charging power modules input in smart mobile phone charging bodyguard's box body and metal spring piece of socket terminal, power supply on-off control circuit input is connected in parallel described mains supply, power supply on-off control circuit outfan is connected with AC DC charging power modules input and metal spring piece of socket terminal parallel connection, AC DC charging power modules outfan is provided with USB charging delivery outlet；This utility model can automatically cut off charger for mobile phone power supply when mobile phone is fully charged, it is possible to automatically detects, it is possible to increase Electrical Safety coefficient, and reduces electric energy loss.
Description
Technical field
This utility model relates to smart mobile phone charge protection technical field, particularly relate to a kind of fully charged after automatically power off
Smart mobile phone charging bodyguard's circuit.
Background technology
Smart mobile phone, panel computer have been the indispensable electronic equipments of people, and people will frequently use intelligence every day
Energy mobile phone or panel computer, smart mobile phone, the utilization rate height of panel computer, and within current smart mobile phone, panel computer
Limited battery capacity, causes people's every day, even one day needs several times to smart mobile phone, panel computer charging, and many people give
After smart mobile phone, panel computer charge electricity, charger is left on common socket, and this way exists potential safety hazard, has had
The report of many charging security incidents, the news such as charger for mobile phone blast, electric shock occurs, again and again if socket can fill at mobile phone
Automatically cut off charger input power after full electricity, just can make the thorough power cutoff of charger for mobile phone, it is possible to increase Electrical Safety system
Number, and electric energy loss can be reduced.
Summary of the invention
For overcoming the deficiencies in the prior art, this utility model provide one can automatically detect, stable and reliable operation, peace
The smart mobile phone charging bodyguard's circuit automatically powered off after high fully charged of full performance.
This utility model by reach above-mentioned technical purpose be the technical scheme is that a kind of fully charged after automatically power off
Smart mobile phone charging bodyguard's circuit, including the Intelligent detection circuit being located in smart mobile phone charging bodyguard's box body, described intelligence inspection
Being provided with a MCU integrated circuit modules in slowdown monitoring circuit, described MCU integrated circuit modules connects has one can detect mobile phone charging
The current detection circuit of electric current, the input of described Intelligent detection circuit is provided with the press button being connected with mains supply, described
Current detection circuit and the AC-DC charging power modules input being located in smart mobile phone charging bodyguard's box body and socket metal
Shell fragment terminal is connected, and is additionally provided with the power supply break-make controlling to be connected with described MCU integrated circuit modules in described Intelligent detection circuit
Control circuit, described power supply on-off control circuit input is connected in parallel described mains supply, described power supply on-off control circuit
Outfan is connected in parallel with described AC-DC charging power modules input and metal spring piece of socket terminal, and described AC-DC charges
Power module outlet is provided with USB charging delivery outlet；When smart mobile phone charging bodyguard's box body inserts charger for mobile phone or utilization
When mobile phone is charged by USB charging delivery outlet, the electric current flow through in metal spring piece of socket and USB charging delivery outlet is relatively
Greatly, when mobile phone is fully charged or when charger extracts suddenly, the electric current flow through in metal spring piece of socket and USB charging delivery outlet
Can diminish suddenly, current detection circuit is signaled to MCU integrated circuit modules, MCU integrated circuit modules control power supply logical
Disconnected control circuit disconnects, thus cuts off charger for mobile phone and AC-DC charging power modules power supply, it is to avoid the equipment such as mobile phone because of
Overcharge and overburden uses the potential safety hazard caused, the generation of prevention electrification, also can avoid damaging because of surcharge
Bad battery of mobile phone, it is ensured that charger for mobile phone Electrical Safety.
Described MCU integrated circuit modules is CPLD programming logic integrated circuit.
The outfan of described current detection circuit is provided with high_voltage isolation module；Prevent current detection circuit from being damaged by high voltage
Bad.
Being provided with delay control circuit in described MCU integrated circuit modules, described delay control circuit is at MCU integrated circuit die
After block receives current detection circuit signal, time delay disconnects described power supply on-off control circuit；Make power supply on-off control circuit time delay
Within about 3 seconds, cut off charger for mobile phone power supply again, it is possible to protection Electrical Safety.
The beneficial effects of the utility model are: after using said structure, by setting in smart mobile phone charging bodyguard's box body
Put intelligent power supply testing circuit, intelligent power supply testing circuit arranges MCU integrated circuit modules, current detection circuit and power supply logical
Disconnected control circuit, MCU integrated circuit modules can when current detection circuit detects that charger for mobile phone mobile phone is fully charged or
Outfan power supply is automatically cut off (when being switched to holding state by duty), it is possible to automatically examine when charger is extracted suddenly
Survey, stable operation, it is possible to increase Electrical Safety coefficient, and electric energy loss can be reduced.
Accompanying drawing explanation
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.Wherein:
Fig. 1 be this utility model fully charged after automatically power off smart mobile phone charging bodyguard's circuit structural representation.
Detailed description of the invention
By describing technology contents of the present utility model, structural feature in detail, being realized purpose and effect, below in conjunction with enforcement
Mode also coordinates accompanying drawing to describe in detail.
Referring to shown in Fig. 1, the smart mobile phone charging bodyguard's circuit automatically powered off after this utility model is fully charged includes setting
Intelligent detection circuit 1 in smart mobile phone charging bodyguard's box body, is provided with an integrated electricity of MCU in described Intelligent detection circuit 1
Road module 11, described MCU integrated circuit modules 11 connects a current detection circuit that can detect mobile phone charging current 12,
The input of described Intelligent detection circuit 1 is provided with the press button 13 being connected with mains supply 2, described current detection circuit 1 with
It is located at AC-DC charging power modules 3 input in smart mobile phone charging bodyguard's box body and metal spring piece of socket 4 terminal phase
Even, described Intelligent detection circuit 1 is additionally provided with the power supply on-off control circuit controlling to be connected with described MCU integrated circuit modules 11
14, described power supply on-off control circuit 14 input is connected in parallel described mains supply 2, and described power supply on-off control circuit 14 is defeated
Going out end to be connected in parallel with described AC-DC charging power modules 3 input and metal spring piece of socket 4 terminal, described AC-DC charges
Power module 3 outfan is provided with USB charging delivery outlet 31.
Described MCU integrated circuit modules 11 is CPLD programming logic integrated circuit.
The outfan of described current detection circuit 12 is provided with high_voltage isolation module 15.
Being provided with delay control circuit 111 in described MCU integrated circuit modules 11, described delay control circuit 111 is at MCU collection
After becoming circuit module 11 to receive current detection circuit 12 signal, time delay disconnects described power supply on-off control circuit 14.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
Utilize the equivalent structure transformation that this utility model description and accompanying drawing content are made, or be directly or indirectly used in what other were correlated with
Technical field, is the most in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. one kind fully charged after automatically power off smart mobile phone charging bodyguard's circuit, it is characterised in that: include being located at smart mobile phone
Intelligent detection circuit in charging bodyguard's box body, is provided with a MCU integrated circuit modules in described Intelligent detection circuit, described
MCU integrated circuit modules connects a current detection circuit that can detect mobile phone charging current, described Intelligent detection circuit
Input be provided with the press button being connected with mains supply, described current detection circuit be located at smart mobile phone charging bodyguard's box
AC-DC charging power modules input and metal spring piece of socket terminal in body are connected, and also set in described Intelligent detection circuit
There are the power supply on-off control circuit controlling to be connected with described MCU integrated circuit modules, described power supply on-off control circuit input
It is connected in parallel described mains supply, described power supply on-off control circuit outfan and described AC-DC charging power modules input
And metal spring piece of socket terminal is connected in parallel, described AC-DC charging power modules outfan is provided with USB charging delivery outlet.
The most according to claim 1 a kind of fully charged after automatically power off smart mobile phone charging bodyguard's circuit, its feature exists
In: described MCU integrated circuit modules is CPLD programming logic integrated circuit.
The most according to claim 1 a kind of fully charged after automatically power off smart mobile phone charging bodyguard's circuit, its feature exists
In: the outfan of described current detection circuit is provided with high_voltage isolation module.
The most according to claim 1 a kind of fully charged after automatically power off smart mobile phone charging bodyguard's circuit, its feature exists
In: being provided with delay control circuit in described MCU integrated circuit modules, described delay control circuit connects at MCU integrated circuit modules
After receiving current detection circuit signal, time delay disconnects described power supply on-off control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620657347.8U CN205811595U (en) | 2016-06-28 | 2016-06-28 | A kind of fully charged after automatically power off smart mobile phone charging bodyguard's circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620657347.8U CN205811595U (en) | 2016-06-28 | 2016-06-28 | A kind of fully charged after automatically power off smart mobile phone charging bodyguard's circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205811595U true CN205811595U (en) | 2016-12-14 |
Family
ID=57511659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620657347.8U Expired - Fee Related CN205811595U (en) | 2016-06-28 | 2016-06-28 | A kind of fully charged after automatically power off smart mobile phone charging bodyguard's circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205811595U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098647A (en) * | 2019-04-18 | 2019-08-06 | 合肥德通科贸有限公司 | A kind of power supply smart monitoring management control system when charging |
| CN110601321A (en) * | 2019-09-21 | 2019-12-20 | 东莞市融贯电子科技有限公司 | Charger capable of automatically powering off when mobile phone or tablet computer is fully charged |
| CN112260357A (en) * | 2020-10-14 | 2021-01-22 | 卢祖雄 | External equipment of charger |
-
2016
- 2016-06-28 CN CN201620657347.8U patent/CN205811595U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098647A (en) * | 2019-04-18 | 2019-08-06 | 合肥德通科贸有限公司 | A kind of power supply smart monitoring management control system when charging |
| CN110601321A (en) * | 2019-09-21 | 2019-12-20 | 东莞市融贯电子科技有限公司 | Charger capable of automatically powering off when mobile phone or tablet computer is fully charged |
| CN112260357A (en) * | 2020-10-14 | 2021-01-22 | 卢祖雄 | External equipment of charger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20200628 |