CN2794009Y - Charger of mobile power supply - Google Patents
Charger of mobile power supply Download PDFInfo
- Publication number
- CN2794009Y CN2794009Y CN 200520022924 CN200520022924U CN2794009Y CN 2794009 Y CN2794009 Y CN 2794009Y CN 200520022924 CN200520022924 CN 200520022924 CN 200520022924 U CN200520022924 U CN 200520022924U CN 2794009 Y CN2794009 Y CN 2794009Y
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Abstract
The utility model discloses a charger of a mobile power supply, which comprises a switching power supply circuit (A), a charging control circuit (B), an electric core (C) for electric power storage, a protection control circuit (D) of the electric core for electric power storage, a booster circuit (E) and an output control circuit (F), wherein the switching power supply circuit (A) converts the commercial power into stable and smooth DC voltage which is supplied for the charging control circuit (B), the charging control circuit (B) feeds back a charging control signal to the switching power supply circuit (A), the output voltage of the charging control circuit (B) is loaded to the electric core (C) for electric power storage and the protection circuit (D) of the electric core, and the output voltage of the protection circuit (D) of the electric core is transmitted to the output control circuit (F) through the booster circuit (E).
Description
Technical field
The utility model relates to a kind of charger, particularly relates to a kind of portable power source charger.
Background technology
Present employed charger generally is to export to the electrical appliance battery by civil power after the control circuit conversion, this charger need use under the environment that the AC mains source is arranged, when people work in the open air or go sight-seeing, can't in time charge after the running down of battery of electrical appliance such as mobile phone, the work of giving and life are made troubles, and need a kind of charging device that need not use electric main.
The utility model content
For addressing the above problem, the utility model provides a kind of electric core of self accumulate that utilizes to come the portable power source charger that charges to electrical appliance, and the technical scheme that is adopted is as follows:
A kind of portable power source charger comprises switching power circuit, charging control circuit, electric power storage electricity core, the protection of electric core control circuit, booster circuit and output control circuit.Described switching power circuit is converted to civil power stablizes level and smooth direct voltage; supply with charging control circuit; charging control circuit feedback charging control signal is given switching power circuit; the output voltage of charging control circuit is loaded into electric power storage electricity core protective circuit and is loaded into electric power storage electricity core by electric power storage electricity core protective circuit; the output voltage of electric power storage electricity core protective circuit is sent to output control circuit by booster circuit, and the output voltage of output control circuit is for the electrical appliance charging.
For ease of using DC power supply on the automobile, can between the input anode of charging control circuit and ground, be connected a Direct current power source socket, be used for connecing the automobile cigarette lighter socket.
Be the display power supply state, can between the input anode of charging control circuit and ground, be connected with and show the series circuit that resistance and power on light are formed by power supply, the minus earth of power on light, when Switching Power Supply was connected civil power or charging control circuit connection car direct current power supply, power on light was connected luminous.
Description of drawings
Fig. 1 portable power source charger principle schematic
Fig. 2 self-excited switching power supply circuit schematic diagram of connecting
Fig. 3 charging control circuit schematic diagram
Fig. 4 electricity core protective circuit schematic diagram
Fig. 5 output control circuit schematic diagram
Embodiment
Below in conjunction with embodiment the utility model is described, but is not used for limiting protection range of the present utility model.
As shown in Figure 1; the utility model portable power source charger comprises switching power circuit A; charging control circuit B; electric power storage electricity core C; electric power storage electricity core protection control circuit D; booster circuit E and output control circuit F; described switching power circuit A comprises a bridge rectifier; at its output filter capacitor C1 in parallel; the end of a starting resistance R4 is connected with the positive pole of filter capacitor C1; its other end connects the end of divider resistance R5; the other end of divider resistance R5 connects the b utmost point of the first switching tube Q1 and the c utmost point of second switch pipe Q2; the e utmost point of the first switching tube Q1 is by biasing resistor R7 ground connection and be connected the e utmost point ground connection of second switch pipe Q2 with the b utmost point of second switch pipe by pressure limiting (stream) resistance R 8.
Absorption circuit resistance R 6 is formed a parallel circuits with absorption circuit capacitor C 2, and the one end is connected with the positive pole of filter capacitor C1, and is connected with the primary coil end of the same name of instrument transformer T1, and the other end connects the negative electrode of absorption circuit diode D1; The anode of absorption circuit diode connects the non-same polarity of the primary coil of instrument transformer T1, and connects the c utmost point of the first switching tube Q1; The anode of the termination rectifier diode D2 of the same name of first secondary coil of instrument transformer, other end ground connection; The negative electrode of rectifier diode D2 connects the anodal of filter capacitor C4 and is connected to charging control circuit, the minus earth of filter capacitor C4.
The end of the same name of the second subprime coil of transformer T1 connects the end of feedback capacity C3, the other end of feedback capacity C3 connects the contact between starting resistance R4 and the divider resistance R5, the other end ground connection of the second subprime coil of transformer T1, the end of the same name of transformer T1 is also by diode in series D3 capacitor C5 ground connection, diode in series D3 negative electrode is connected with the positive pole of capacitor C5, the minus earth of capacitor C5.
Described charging control circuit B comprises two controlling resistance R9; the negative electrode of rectifier diode D2 and the anode of charging diode D4 are connected in the parallel connected end of R10 and the switching power circuit; described controlling resistance R9; the other end of R10 is received 1 pin and 2 pin of optocoupler (IC1) respectively; the negative electrode of charging diode D4 is connected to the output head anode of charging control circuit B; charging diode D4 two ends accumulator electric-quantity sense switch K1 in parallel; 2 pin that detect protection control chip IC1 connect the anode of benchmark voltage stabilizing chip IC 2; the minus earth of benchmark voltage stabilizing chip IC 2, the charging control circuit negative pole of output end is by adjustable control resistance R 18 ground connection.The end of two series connection adjustable feedback resistance R12, R13 and the output head anode of charging control circuit, the other end is connected with the charging control circuit negative pole of output end by pressure limiting resistance R14, and the intermediate contact of connect adjustable feedback resistance R12, R13 is connected with the control utmost point of benchmark voltage stabilizing chip IC 2.4 pin that detect protection chip IC1 are connected with the b utmost point of second switch pipe Q2 in the switching power circuit, and the intermediate contact of the series diode D3 capacitor C5 in 3 pin that chip IC1 is protected in detection and the switching power circuit is connected.
The anode of charging diode D4 connects 8 pin of operational amplifier IC3, between the anode of charging diode D4 and charging control circuit output negative pole, be connected signal resistance R15 by two series connection, R16, the intermediate contact of two signal resistances is connected with 3 pin of operational amplifier IC3,2 pin of operational amplifier IC3 connect charging control circuit B negative pole of output end and ground connection, 4 pin of operational amplifier IC3 are through current-limiting resistance (R18) ground connection, 1 pin of operational amplifier IC3 connects the sun level of saturated display lamp LED2 by saturated demonstration resistance R 17, the minus earth of saturated display lamp LED2,1 pin of operational amplifier IC3 also passes through filtering capacitor C 6 ground connection simultaneously.
Electric power storage electricity core protection control circuit D comprises the series circuit that a protective resistance R19 and protection capacitor C 7 are formed; the end of protective resistance R19 is connected with the positive pole of electric power storage electricity core C; one end of protection capacitor C 7 is connected with the negative pole of electric power storage electricity core; protective resistance R19 is connected 5 pin of a protection control chip IC4 with the intermediate contact of protection capacitor C 7; 4 pin of protection control chip IC4 connect the negative pole of electric power storage electricity core C by Signal Spacing electric capacity; 6 pin of protection control chip IC4 connect the negative pole of electric power storage electricity core C; 2 pin of protection control chip IC4 are by signal resistance R20 ground connection; and be connected by the negative pole of buffer compartment from capacitor C 9 and electric power storage electricity core; the drain electrode of two field effect transistor IC5 links together; the grid of one of them field effect transistor connects 1 pin of protection control chip IC4; source electrode connects the negative pole of electric power storage electricity core, and the grid of another field effect transistor connects 3 pin of protection control chip IC4; source ground.The positive pole of electric power storage electricity core connects 1 pin of booster circuit IC7, and 2 pin of booster circuit IC7 connect the input of output control circuit, the 3 pin ground connection of booster circuit IC7.Booster circuit IC7 can adopt the YD-12 chip.
The input anode of described output control circuit F is passed through to be connected with 6 pin of output control chip IC6 behind the control switch K2, and by filter capacitor C10 ground connection, 1 pin that also connects output control chip IC6 by adjustable control resistance R 1,7 pin, 8 pin, 2 pin of output control chip IC6 connect the output head anode of output control circuit, and the negative electrode that connects protection diode D5, the plus earth of protection diode D5, the 4 pin ground connection of output control chip IC6,3 pin of output control chip IC6 are by capacitor C 11 ground connection, 5 pin of output control chip IC6 are connected the output head anode of output control circuit F in proper order with inductance L 1 by output regulating resistor R3, and by the second output regulating resistor R2 ground connection, the negative pole of output end ground connection of output control circuit F; Between the output positive and negative charge of output control circuit F, be connected with an output buffer capacitor C12, also be connected with a series circuit of forming by output demonstration resistance and output display lamp LED3, the minus earth of wherein exporting display lamp LED3.
Be connected with Direct current power source socket DC between the input anode of charging control circuit B and the ground.Be connected with between the input anode of charging control circuit B and the ground by power supply and show the series circuit that resistance R 11 and power on light LED1 form, the minus earth of power on light.
Operation principle of the present utility model is:
When inserting civil power, alternating current 220V gets the direct current electric of an about 300V and presses the C utmost point that adds the Q1 switching tube after bridge rectifier, filtering, and another road is by the B utmost point that starts, divider resistance R4, R5 are divided to the Q1 switching tube, and this moment, switching tube Q1 was in starting state, electric current I
C1Rise gradually, the elementary L1 of T1 has electric current to flow through, and the self induction electromotive force of L1 increases gradually because the mutual inductance effect of inductance, with secondary L3 induced electromotive force increase, feedback quantity increases, feedback signal makes V by the b utmost point that feedback network C3, R5 deliver to switching tube Q1
B1Rise---V
C1Rise---I
C1Rise, this moment, switching tube Q1 was in the saturation conduction state, because self-induced e.m.f can not suddenly change its direction and I
C1The flow direction opposite, inverse peak voltage through suction negative peak circuit R6, C2, D1 absorb short circuit and go into ground, thereby protected the safety of switching tube Q1.
After the Q1 saturation conduction, the pressure drop of feedback capacity C3 is that "-" goes up "+" down, and this moment, the pressure drop of C3 began discharge, and discharge loop is C3-R5-V
B1e1-R7-go into ground, after discharging into to a certain degree, Q1 was ended by saturated transferring to, after next pulse is come, changed startup-amplification-saturated again into, went round and began again like this, and switching power circuit has begun starting of oscillation.
Because the mutual inductance of transformer T1, the pulsating current at the secondary L2 two ends of T1 obtains level and smooth direct voltage through rectification, the filtering of the Xiao Jite of fast recovery diode D2 at this moment, powers for the back level.When after level V0 is risen, this moment, 1 pin of IC1 had electric current to pass through, and flowed to IC2, by the 1 pin output of IC2, this moment, the phototriode b utmost point of IC1 was subjected to the influence of light because the pressure stabilization function of IC2,3,4 pin electric currents increase, thus the V of Q2
B2Rise V
B2e2Rise I
C2Rise, thereby cause V
B1Descend, protected switching tube Q1.
The 3 pin voltages of operational amplifier IC3 (LM358) make 1 pin output high level, at this moment LED2 (saturated lamp greater than the negative voltage of 2 pin when unloaded, green) bright, when (discharge), operational amplifier LM358 reverses during load, output low level, LED2 (saturated lamp, green) ends, extinguishes.When voltage was charged to 4.2V+-0.02V, LED2 was bright, and the expression charging is full of.
Built-in lithium cell is by baffle control IC 5 (9926), IC4 (DW01); make electric core be discharged to 2.75V+-0.2V; when charging to 4.35V+-0.05V; automatically start; thereby protected electric core effectively; quiescent current＜=3uA on the baffle, K0 (internal resistance)＜=140 milliohm has overcurrent, overvoltage protection.
The voltage of built-in lithium cell boosts to+12V through booster circuit Ic7 (YD-12), charge to electrical appliance by IC6 (34063) (DC/DC conversion) 5 pin output voltages, R2, the R3 adjustable output voltage, R1 can adjust output current, charges to consumer electronics through obtaining level and smooth direct current after L1, the C12 filtering.
Claims (9)
1; a kind of portable power source charger; it is characterized in that; comprise switching power circuit (A); charging control circuit (B); electric power storage electricity core (C); electric power storage electricity core protection control circuit (D); booster circuit (E) and output control circuit (F); described switching power circuit (A) is converted to civil power stablizes level and smooth direct voltage; supply with charging control circuit (B); charging control circuit (B) feedback charging control signal is given switching power circuit (A); the output voltage of charging control circuit (B) is loaded into electric power storage electricity core protective circuit (D) and is loaded into electric power storage electricity core (C) by electric power storage electricity core protective circuit (D), and the output voltage of electric power storage electricity core protective circuit (D) is sent to output control circuit (F) through booster circuit (E).
2, charger as claimed in claim 1, it is characterized in that described switching power circuit (A) comprises, a bridge rectifier, at its output filter capacitor (C1) in parallel, one end of a starting resistance (R4) is connected with the positive pole of filter capacitor (C1), its other end connects an end of divider resistance (R5), the other end of divider resistance connects the b utmost point of first switching tube (Q1) and the c utmost point of second switch pipe (Q2), the e utmost point of first switching tube (Q1) is by biasing resistor (R7) ground connection and be connected the e utmost point ground connection of second switch pipe (Q2) with the b utmost point of second switch pipe by pressure limiting (stream) resistance (R8);
Absorption circuit resistance (R6) is formed a parallel circuits with absorption circuit electric capacity (C2), the one end is connected with the positive pole of filter capacitor (C1), and be connected with the primary coil end of the same name of instrument transformer (T1), the other end connects the negative electrode of absorption circuit diode (D1), and the anode of absorption circuit diode connects the primary coil other end of instrument transformer (T1) and the C utmost point of first switching tube (Q1).The anode of the termination rectifier diode of the same name (D2) of a secondary coil of instrument transformer, other end ground connection; The negative electrode of rectifier diode (D2) connects the anodal of filter capacitor (C4) and is connected to charging control circuit, the minus earth of filter capacitor (C4);
The end of the same name of the second subprime coil of transformer (T1) connects an end of feedback capacity (C3), the other end of feedback capacity (C3) connects the contact between starting resistance (R4) and the divider resistance (R5), the other end ground connection of the second subprime coil of transformer (T1), the end of the same name of transformer (T1) is also by diode in series (D3) capacitor (C5) ground connection, diode in series (D3) negative electrode is connected the minus earth of capacitor (C5) with the positive pole of capacitor (C5).
3, charger as claimed in claim 1 is characterized in that described charging control circuit (B) comprises the optocoupler (IC1) and the benchmark voltage stabilizing chip (IC2) of series connection.
4, charger as claimed in claim 3, it is characterized in that in the described charging control circuit (B), also comprise the charging display circuit, wherein the anode of charging diode (D4) connects 8 pin of operational amplifier (IC3), between the anode of charging diode (D4) and charging control circuit output negative pole, be connected signal resistance (R15 by two series connection, R16), the intermediate contact of two signal resistances is connected with 3 pin of operational amplifier (IC3), 2 pin of operational amplifier (IC3) connect charging control circuit (B) negative pole of output end and ground connection, 4 pin of operational amplifier (IC3) are through current-limiting resistance (R18) ground connection, 1 pin of operational amplifier (IC3) connects the sun level of saturated display lamp (LED2) by saturated demonstration resistance (R17), filter capacitor (C6) ground connection is also passed through in the minus earth of saturated display lamp (LED2), 1 pin of operational amplifier (IC3) simultaneously.
5, charger as claimed in claim 1, it is characterized in that described electric core protection control circuit (D) comprises the protective resistance (R19) and the protection electric capacity (C7) of series connection, wherein an end of protective resistance (R19) is connected with the positive pole of electric power storage electricity core, one end of protection electric capacity (C7) is connected with the negative pole of electric power storage electricity core, protective resistance (R19) is connected 5 pin of a protection control chip (IC4) with the intermediate contact of protection electric capacity (C7), 4 pin of protection control chip (IC4) connect the negative pole of electric power storage electricity core by Signal Spacing electric capacity, 6 pin of protection control chip (IC4) connect the negative pole of electric power storage electricity core, 2 pin of protection control chip (IC4) are by signal resistance (R20) ground connection, and be connected by the negative pole of the electric core of buffering isolation capacitance (C9) and electric power storage, the drain electrode of two field effect transistor (IC5) links together, the grid of one of them field effect transistor connects 1 pin of protection control chip (IC4), source electrode connects the negative pole of electric power storage electricity core, and the grid of another field effect transistor connects 3 pin of protection control chip (IC4), source ground; The positive pole of electric power storage electricity core connects 1 pin of booster circuit (IC7), and 2 pin of the plate that boosts (IC7) connect the input of output control circuit, 3 pin ground connection of the plate that boosts (IC7).
6, charger as claimed in claim 1, the input anode that it is characterized in that described output control circuit (F) is connected with 6 pin of output control chip (IC6) by a control switch (K2) back, and by filter capacitor (C10) ground connection, 1 pin that also connects output control chip (IC6) by adjustable control resistance (R1), 7 pin, 8 pin, 2 pin of output control chip (IC6) connect the output head anode of output control circuit, and the negative electrode that connects protection diode (D5), the plus earth of protection diode (D5), output control chip (IC6) 4 pin ground connection, 3 pin of output control chip (IC6) are by electric capacity (C11) ground connection, 5 pin of output control chip (IC6) are connected the output head anode of output control circuit in proper order with inductance (L1) by output regulating resistor (R3), and by second output regulating resistor (R2) ground connection, the negative pole of output end ground connection of output control circuit; Between the output positive and negative charge of output control circuit, be connected with an output buffer capacitor (C12), also be connected with a series circuit of forming by output demonstration resistance and output display lamp (LED3), the minus earth of wherein exporting display lamp (LED3).
7,, it is characterized in that being connected with Direct current power source socket (DC) between the input anode of charging control circuit (B) and the ground as the described charger of one of claim 1 to 6.
8,, be connected with the power supply of connecting between the input anode that it is characterized in that charging control circuit (B) and the ground and show resistance (R11) and power on light (LED1), the minus earth of power on light as the described charger of one of claim 1 to 6.
9,, it is characterized in that described booster circuit (E) is the YD-12 chip as the described charger of one of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520022924 CN2794009Y (en) | 2005-04-20 | 2005-04-20 | Charger of mobile power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520022924 CN2794009Y (en) | 2005-04-20 | 2005-04-20 | Charger of mobile power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2794009Y true CN2794009Y (en) | 2006-07-05 |
Family
ID=36821146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520022924 Expired - Fee Related CN2794009Y (en) | 2005-04-20 | 2005-04-20 | Charger of mobile power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2794009Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812204A (en) * | 2013-10-31 | 2014-05-21 | 苏州亿帝电子科技有限公司 | Universal type mobile power supply |
| CN105680529A (en) * | 2016-04-13 | 2016-06-15 | 江苏峰谷源储能技术研究院有限公司 | Handset adapter with separable power supply |
| CN107040033A (en) * | 2017-05-25 | 2017-08-11 | 河南迎基太阳能科技有限公司 | A kind of charging circuit |
| CN107069912A (en) * | 2017-04-21 | 2017-08-18 | 张家港市佰瑞普电器科技有限公司 | A kind of USB interface-based adaptive quick-charging circuit |
-
2005
- 2005-04-20 CN CN 200520022924 patent/CN2794009Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812204A (en) * | 2013-10-31 | 2014-05-21 | 苏州亿帝电子科技有限公司 | Universal type mobile power supply |
| CN105680529A (en) * | 2016-04-13 | 2016-06-15 | 江苏峰谷源储能技术研究院有限公司 | Handset adapter with separable power supply |
| CN107069912A (en) * | 2017-04-21 | 2017-08-18 | 张家港市佰瑞普电器科技有限公司 | A kind of USB interface-based adaptive quick-charging circuit |
| CN107040033A (en) * | 2017-05-25 | 2017-08-11 | 河南迎基太阳能科技有限公司 | A kind of charging circuit |
| CN107040033B (en) * | 2017-05-25 | 2023-04-07 | 沈阳清能院清洁能源有限公司 | Charging circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060705 |