CN204425011U - A kind of energy-conservation prompting charger for mobile phone - Google Patents
A kind of energy-conservation prompting charger for mobile phone Download PDFInfo
- Publication number
- CN204425011U CN204425011U CN201420753008.0U CN201420753008U CN204425011U CN 204425011 U CN204425011 U CN 204425011U CN 201420753008 U CN201420753008 U CN 201420753008U CN 204425011 U CN204425011 U CN 204425011U
- Authority
- CN
- China
- Prior art keywords
- circuit
- resistance
- mobile phone
- direct current
- energy
- 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 provides a kind of energy-conservation prompting charger for mobile phone, belongs to electronic technology field.Comprise direct current regulation circuit, charging control circuit, alterating and direct current power supply status indicating circuit and filter circuit.Described direct current regulation circuit is converted into 5V direct voltage output by access 220V AC power, described charging control circuit is turned on and off by the pair of contact controlling electromagnetic relay thus controls to carry out charging to mobile phone and disconnect, achieve and can automatically disconnect after battery of mobile phone is full of electricity, described alterating and direct current power supply status indicating circuit can be pointed out with alternating current-direct current operating state, alternating component in described filter circuit filtering Output Voltage in Rectified Circuits, thus to obtain smoother direct voltage the beneficial effects of the utility model be automatically can disconnect charging circuit after battery of mobile phone is full of electricity, save the waste of electric energy and circuit prompting can be made after electricity is full of.
Description
Technical field
The utility model belongs to electronic technology field, especially relates to a kind of energy-conservation prompting charger for mobile phone.
Background technology
At present, along with the development of society, growth in the living standard, mobile communication has become the indispensable important tool of the whole mankind.Cellphone subscriber is after charging electricity to mobile phone for major part, for following the line of least resistance, does not extract attaching plug, to charge next time.This causes charger to be in Light Condition for a long time.In addition, cell-phone battery electric-charge quantity does not take off mobile phone after being full of and the situation making charger be in floating charge state also occurs often in time.In prior art, charger for mobile phone all contains high frequency transformer, and the former limit of high frequency transformer and AC power can form loop, therefore under above-mentioned Light Condition or floating charge state, all there is ferromagnetic loss in high frequency transformer, both power consumption caused waste, there is potential safety hazard again.
Utility model content
The purpose of this utility model is in order to avoid prior art Problems existing, automatically can disconnect charging circuit after providing a kind of battery of mobile phone to be full of electricity, save the waste of electric energy and the energy-conservation prompting charger for mobile phone of one of circuit prompting can be made after electricity is full of.
The technical solution of the utility model is: a kind of energy-conservation prompting charger for mobile phone, comprise direct current regulation circuit, charging control circuit, alterating and direct current power supply status indicating circuit and filter circuit, described direct current regulation circuit comprises power interface, transformer B and rectification circuit, described power interface is for accessing 220V AC power, transformer B high-pressure side is connected with power interface, and the low-pressure side of transformer B connects rectification circuit, and described rectification circuit output end exports 5V direct voltage;
Described charging control circuit comprises electromagnetic relay, resistance R2, light-emitting diode D7 and charging inlet, the output of one end access rectification circuit of the pair of contact of described electromagnetic relay, described electromagnetic relay other end connection is connected to charging inlet positive pole by contact resistance R2 and light-emitting diode D7, described charging inlet minus earth GND; Turned on and off by the pair of contact controlling described electromagnetic relay thus control to carry out charging to mobile phone and disconnect;
Described filter circuit comprises electrochemical capacitor C1 and electric capacity C2, described electrochemical capacitor C1 and electric capacity C2 one end are connected to rectification circuit output end, the other end is ground connection GND respectively, for the alternating component in filtering Output Voltage in Rectified Circuits, thus obtains smoother direct voltage;
Alterating and direct current power supply status indicating circuit comprises light-emitting diode D5, resistance R1, and the positive pole of described light-emitting diode D5 connects rectification circuit output end, and the negative pole of light-emitting diode D5 is by resistance R1 ground connection GND.
Further, also comprise and be full of indicating circuit, the described indicating circuit that is full of comprises three end Micro Energy Lose voltage detector IC, resistance R3, resistance R4, resistance R5 and light-emitting diode D6,2nd pin of one end of resistance R3 and a termination three end Micro Energy Lose voltage detector IC of resistance R4, another termination charging inlet positive pole of resistance R3, the other end of resistance R4 and the 3rd pin ground connection GND of three end Micro Energy Lose voltage detector IC, 1st pin of three end Micro Energy Lose voltage detector IC passes through the positive pole of resistance R5 sending and receiving optical diode D6, the minus earth GND of light-emitting diode D6.
Further, the positive pole of described rectification circuit output end is connected with circuit anode VCC, rectification circuit output end minus earth GND.
Further, the positive pole access rectification circuit output end of described electrochemical capacitor C1, the minus earth GND of described electrochemical capacitor C1.
Further, fuse FU is also connected with between described transformer B high-pressure side and power interface.
Further, described rectification circuit is made up of four diode D1-D4.
The advantage that the utility model has and good effect are: owing to adopting technique scheme, turned on and off by the pair of contact controlling described electromagnetic relay thus control to carry out charging to mobile phone and disconnect, achieve and can automatically disconnect after battery of mobile phone is full of electricity, saving the waste of electric energy and circuit prompting can be made after being full of electricity when battery of mobile phone, avoiding because input voltage instability damages the advantages such as charging circuit by being also connected with fuse FU between transformer B high-pressure side and power interface.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model;
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated.
Shown in circuit theory diagrams as of the present utility model in Fig. 1, a kind of energy-conservation prompting charger for mobile phone of the utility model, comprise direct current regulation circuit, charging control circuit, alterating and direct current power supply status indicating circuit and filter circuit, described direct current regulation circuit comprises power interface, transformer B and rectification circuit, described power interface is for accessing 220V AC power, transformer B high-pressure side is connected with power interface, fuse FU is also connected with between described transformer B high-pressure side and power interface, the low-pressure side of transformer B connects rectification circuit, described rectification circuit output end exports 5V direct voltage, the positive pole of described rectification circuit output end is connected with circuit anode VCC, rectification circuit output end minus earth GND.
Described charging control circuit comprises electromagnetic relay, resistance R2, light-emitting diode D7 and charging inlet, the output of one end access rectification circuit of the pair of contact of described electromagnetic relay, described electromagnetic relay other end connection is connected to charging inlet positive pole by contact resistance R2 and light-emitting diode D7, described charging inlet minus earth GND; Turned on and off by the pair of contact controlling described electromagnetic relay thus control to carry out charging to mobile phone and disconnect.
Described filter circuit comprises electrochemical capacitor C1 and electric capacity C2, described electrochemical capacitor C1 and electric capacity C2 one end are connected to rectification circuit output end, the other end is ground connection GND respectively, for the alternating component in filtering Output Voltage in Rectified Circuits, thus obtain smoother direct voltage, the positive pole access rectification circuit output end of described electrochemical capacitor C1, the minus earth GND of described electrochemical capacitor C1.
Alterating and direct current power supply status indicating circuit comprises light-emitting diode D5, resistance R1, and the positive pole of described light-emitting diode D5 connects rectification circuit output end, and the negative pole of light-emitting diode D5 is by resistance R1 ground connection GND.
Also comprise and be full of indicating circuit, the described indicating circuit that is full of comprises three end Micro Energy Lose voltage detector IC, resistance R3, resistance R4, resistance R5 and light-emitting diode D6,2nd pin of one end of resistance R3 and a termination three end Micro Energy Lose voltage detector IC of resistance R4, another termination charging inlet positive pole of resistance R3, the other end of resistance R4 and the 3rd pin ground connection GND of three end Micro Energy Lose voltage detector IC, 1st pin of three end Micro Energy Lose voltage detector IC passes through the positive pole of resistance R5 sending and receiving optical diode D6, the minus earth GND of light-emitting diode D6.
The course of work of this example: it is converted to 5V direct voltage output by transformer B and rectification circuit for the power interface access 220V AC power of described direct current regulation circuit, filter circuit electrochemical capacitor C1 and electric capacity C2, described electrochemical capacitor C1, its capacity is 1000 μ F, and described its capacity of electric capacity C2 is 3000 μ F, by the alternating component in filtering Output Voltage in Rectified Circuits, thus obtain smoother direct voltage output, manually one end of the pair of contact of electromagnetic relay is closed, it is made to be communicated with the output of rectification circuit, by current-limiting resistance R2, battery of mobile phone is charged, the resistance of R2 is 250 Ω, energy-conservation prompting charger for mobile phone is connected to 4.15V and is full of indicating circuit, the resistance of described resistance R3 is 220 ~ 390 Ω, the resistance of resistance R4 is 3.3K Ω, the resistance of resistance R5 is 270 Ω, when on charge circuit, lithium battery terminal voltage reaches 4.15V, 1st pin of three end Micro Energy Lose voltage detector IC exports high level, now high level lights light-emitting diode D6 by resistance R5, this shows that the crossing current charging of cellular li-ion battery terminates, three end Micro Energy Lose voltage detector IC select LM7806, if at this moment need to use mobile phone, use can be extracted, described light-emitting diode D6 can select redness or green.Next enter constant voltage charge, when constant voltage charge is close to when completing, the electric current in charging control circuit reduces greatly, until magnetic force is not enough to make armature adhesive, relay disconnects, and charges complete.Reach the object of saving a large amount of electric energy.Described alterating and direct current power supply status indicating circuit can be pointed out with alternating current-direct current operating state, if direct current regulation circuit normally carries out interchange and direct current is changed, light-emitting diode D5 lights, and represents that direct current regulation circuit is working properly.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (6)
1. an energy-conservation prompting charger for mobile phone, comprise direct current regulation circuit, charging control circuit, alterating and direct current power supply status indicating circuit and filter circuit, it is characterized in that: described direct current regulation circuit comprises power interface, transformer B and rectification circuit, described power interface is for accessing 220V AC power, transformer B high-pressure side is connected with power interface, and the low-pressure side of transformer B connects rectification circuit, and described rectification circuit output end exports 5V direct voltage;
Described charging control circuit comprises electromagnetic relay, resistance R2, light-emitting diode D7 and charging inlet, the output of one end access rectification circuit of the pair of contact of described electromagnetic relay, described electromagnetic relay other end connection is connected to charging inlet positive pole by contact resistance R2 and light-emitting diode D7, described charging inlet minus earth GND, is turned on and off by the pair of contact controlling described electromagnetic relay thus controls to carry out charging to mobile phone and disconnect;
Described filter circuit comprises electrochemical capacitor C1 and electric capacity C2, described electrochemical capacitor C1 and electric capacity C2 one end are connected to rectification circuit output end, the other end is ground connection GND respectively, for the alternating component in filtering Output Voltage in Rectified Circuits, thus obtains smoother direct voltage;
Alterating and direct current power supply status indicating circuit comprises light-emitting diode D5, resistance R1, and the positive pole of described light-emitting diode D5 connects rectification circuit output end, and the negative pole of light-emitting diode D5 is by resistance R1 ground connection GND.
2. the energy-conservation prompting charger for mobile phone of one according to claim 1, it is characterized in that: also comprise and be full of indicating circuit, the described indicating circuit that is full of comprises three end Micro Energy Lose voltage detector IC, resistance R3, resistance R4, resistance R5 and light-emitting diode D6, 2nd pin of one end of resistance R3 and a termination three end Micro Energy Lose voltage detector IC of resistance R4, another termination charging inlet positive pole of resistance R3, the other end of resistance R4 and the 3rd pin ground connection GND of three end Micro Energy Lose voltage detector IC, 1st pin of three end Micro Energy Lose voltage detector IC passes through the positive pole of resistance R5 sending and receiving optical diode D6, the minus earth GND of light-emitting diode D6.
3. the energy-conservation prompting charger for mobile phone of one according to claim 1, is characterized in that: the positive pole of described rectification circuit output end is connected with circuit anode VCC, rectification circuit output end minus earth GND.
4. the energy-conservation prompting charger for mobile phone of one according to claim 1, is characterized in that: the positive pole access rectification circuit output end of described electrochemical capacitor C1, the minus earth GND of described electrochemical capacitor C1.
5. the energy-conservation prompting charger for mobile phone of one according to claim 1, is characterized in that: be also connected with fuse FU between described transformer B high-pressure side and power interface.
6. the energy-conservation prompting charger for mobile phone of one according to claim 1, is characterized in that: described rectification circuit is made up of four diode D1-D4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420753008.0U CN204425011U (en) | 2014-12-04 | 2014-12-04 | A kind of energy-conservation prompting charger for mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420753008.0U CN204425011U (en) | 2014-12-04 | 2014-12-04 | A kind of energy-conservation prompting charger for mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204425011U true CN204425011U (en) | 2015-06-24 |
Family
ID=53475340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420753008.0U Expired - Fee Related CN204425011U (en) | 2014-12-04 | 2014-12-04 | A kind of energy-conservation prompting charger for mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204425011U (en) |
-
2014
- 2014-12-04 CN CN201420753008.0U patent/CN204425011U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204391863U (en) | Automatic power-off circuit and automatic power-off device for full storage battery of storage battery car | |
| CN205610297U (en) | Energy -conservation automatic control circuit that charges | |
| CN104362712A (en) | Automatic power-off charger for mobile phone | |
| CN204481550U (en) | A kind of portable equipment charger circuit | |
| CN204425011U (en) | A kind of energy-conservation prompting charger for mobile phone | |
| CN104882742A (en) | Intelligent charging socket | |
| CN205389127U (en) | Nickel cadmium cell charger | |
| CN201699253U (en) | Power supply seat with intelligent charging function | |
| CN104362708A (en) | Device for detecting mobile phone charging | |
| CN204334089U (en) | A kind of mobile phone charged state display unit | |
| CN204928253U (en) | Low -cost energy -conserving charger | |
| CN204761169U (en) | Wireless receiving module and wireless charging system | |
| CN205248873U (en) | Solar charging circuit | |
| CN204721019U (en) | A kind of charging pile being applied to new forms of energy car | |
| CN204794144U (en) | Power drill of built -in lithium cell | |
| CN204559984U (en) | A kind of emergency light circuit | |
| CN203984065U (en) | A kind of Intelligent lithium battery charger | |
| CN204741295U (en) | Anti -overcharging's charging circuit | |
| CN204103512U (en) | A kind of intelligent auto-breaking charger for mobile phone | |
| CN204732857U (en) | A kind of have the anti-overcharge circuit being full of instruction | |
| CN204794039U (en) | Charging circuit with charge indication | |
| CN204741264U (en) | Prevent high temperature and anti -overcharging's circuit | |
| CN204741328U (en) | Electric hand drill charges | |
| CN205377413U (en) | Energy -conserving charge controller of no quiescent power dissipation | |
| CN204967293U (en) | Notebook system |
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 |
Granted publication date: 20150624 Termination date: 20151204 |
|
| EXPY | Termination of patent right or utility model |