CN206742902U - Charger baby charge power auto-adjusting circuit - Google Patents
Charger baby charge power auto-adjusting circuit Download PDFInfo
- Publication number
- CN206742902U CN206742902U CN201720387504.2U CN201720387504U CN206742902U CN 206742902 U CN206742902 U CN 206742902U CN 201720387504 U CN201720387504 U CN 201720387504U CN 206742902 U CN206742902 U CN 206742902U
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- Prior art keywords
- circuit
- charger baby
- charge
- storage device
- energy storage
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- 238000004146 energy storage Methods 0.000 claims abstract description 40
- 230000005611 electricity Effects 0.000 claims abstract description 13
- 230000004044 response Effects 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims abstract description 7
- 238000010278 pulse charging Methods 0.000 claims description 19
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 238000007600 charging Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of charger baby charge power auto-adjusting circuit, for the problem of charge efficiency is low in the prior art, provide following technical scheme, including the output port to be charged for connecting electric energy storage device, also include coupling with output port and for compared with the voltage of electric energy storage device and the size of ten grades of reference voltages with ten step voltage comparator circuits of power output Regulate signal and in response to power regulating signals to change the booster circuit to output port voltage swing, the booster circuit has the charge power size corresponding with the size of ten grades of reference voltages；So that voltage swing actual after being charged according to electric energy storage device, to determine the discharge power size of charger baby battery, discharge power is gradually stepped up with the voltage rise of electric energy storage device, avoid and carry out powerful electric discharge when starting to charge to electric energy storage device, be favorably improved charge efficiency, save the electricity of charger baby battery.
Description
Technical field
A kind of charger baby is the utility model is related to, more specifically, it relates to which a kind of charger baby charge power automatically adjusts
Circuit.
Background technology
Portable power source（Mobile Power Pack, MPP）, also it is charger baby, traveling charger etc..One kind collection power supply and
Charge function can charge whenever and wherever possible in the portable charger of one to digital equipments such as mobile phone, tablet personal computers.Typically by
Lithium cell（Or dry cell, it is more rare）It is convenient to use as charge storage unit.
In the prior art, when charger baby is to external electric energy storage device charging, the mode of charging is generally by booster circuit
The voltage of charger baby battery is raised, the larger charging current that high voltage can provide to electric energy storage device charging, and passed through
Constant-current circuit carries out the security that current limliting improves charging with this, but this charging modes also have drawback, is exactly charger baby electricity
The change that the discharge power in pond can boost with booster circuit is big and becomes big, but the actual power to charging external equipment is but not
Improve, cause charge efficiency not high, waste the electricity of charger baby battery.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model be to provide a kind of charger baby charge power it is automatic
Circuit is adjusted, there is the advantages of more gear charge powers automatically adjust.
To achieve the above object, the utility model provides following technical scheme：
A kind of charger baby charge power auto-adjusting circuit, including the output end to be charged for connecting electric energy storage device
Mouthful, include with output port coupling and be used for compared with electric energy storage device voltage and ten grades of reference voltages size with output work
Ten step voltage comparator circuits of rate Regulate signal and give output port voltage swing in response to power regulating signals to change
Booster circuit, the booster circuit has the charge power size corresponding with the size of ten grades of reference voltages.
Using above-mentioned technical proposal, after electric energy storage device connects output port, ten step voltage comparator circuits compare storing up electricity
The size of the voltage swing of equipment and ten grades of reference voltages, and then export power corresponding with ten grades of reference voltage order of magnitude and adjust
Signal is saved, booster circuit changes the size of boosting in response to power regulating signals, is provided to output port and corresponds to ten grades of benchmark
The charge power of voltage, so that voltage swing actual after being charged according to electric energy storage device, to determine the electric discharge work(of charger baby battery
Rate size, i.e., discharge power is gradually stepped up with the voltage rise of electric energy storage device, avoided when starting to charge to electric energy storage device
Powerful electric discharge is carried out, helps to save the electricity of charger baby battery.
Preferably, in addition to charger baby battery couple with when starting to charge up output pulse signal give charger baby battery tiny stream
The pulse charging circuit of current charge.
Using above-mentioned technical proposal, when electric energy storage device has just started access, the battery of electric energy storage device also in silent status,
Now if the battery immediately to electric energy storage device carries out the charging of high current, it is possible to destroys the balance of inside battery, and is starting
When to electric energy storage device carry out low current trickle charge after, first electric energy storage device is waken up, charge mode is fed them into, then enters again
The charging of row high current, it is favorably improved the service life of battery.
Preferably, the pulse charging circuit is coupled with turns on to electric energy storage device constant-current charge in response to pulse signal
On-off circuit.
Using above-mentioned technical proposal, on-off circuit turns in response to pulse signal, cut-off constantly switches and then set to storing up electricity
Standby constant-current charge.
Preferably, the pulse charging circuit and on-off circuit be coupled with for the trickle charge of switch pulse charging circuit or
The switching circuit of person's on-off circuit constant-current charge.
Using above-mentioned technical proposal, the trickle charge of pulse charging circuit and the perseverance of on-off circuit are realized by switching circuit
Switched between current charge.
Preferably, the output port be coupled with for detect electric energy storage device accessed so that connect pulse charging circuit and
The open circuit of charger baby battery.
Using above-mentioned technical proposal, only when electric energy storage device has been connected on output port, open circuit just turns on, and enters
And make to connect between pulse charging circuit and charger baby battery, impulse circuit starts output pulse signal, is advantageous to avoid storing up electricity
Equipment is not connected and charger baby persistently export caused by kwh loss.
In summary, the utility model has the advantages that：
1. gradually stepping up discharge power with the voltage rise of electric energy storage device, avoid when starting to charge to electric energy storage device
Powerful electric discharge is carried out, helps to save the electricity of charger baby battery；
2. only when electric energy storage device has been connected on output port, open circuit just turns on, and then makes pulse charge electric
Connected between road and charger baby battery, impulse circuit starts output pulse signal, is advantageous to avoid electric energy storage device not connected and fill
Kwh loss caused by electric precious lasting output.
Brief description of the drawings
Fig. 1 is the theory diagram of charger baby charge power auto-adjusting circuit in the utility model；
Fig. 2 is the circuit theory diagrams of the utility model pulse charging circuit, on-off circuit and switching circuit；
Fig. 3 is the circuit theory diagrams of booster circuit in the utility model；
Fig. 4 is the circuit theory diagrams of ten step voltage comparison circuits in the utility model.
In figure：1st, charger baby battery；2nd, booster circuit；3rd, open circuit；4th, pulse charging circuit；5th, on-off circuit；6、
Switching circuit；7th, output port；8th, ten step voltage comparator circuit.
Embodiment
Below in conjunction with the accompanying drawings and embodiment, the utility model is described in detail.
A kind of charger baby charge power auto-adjusting circuit, reference picture 1, including charged for connecting electric energy storage device
Output port 7, in addition to the voltage of electric energy storage device and the size of ten grades of reference voltages compared with output port 7 couples and is used for
With ten step voltage comparator circuits 8 of power output Regulate signal and in response to power regulating signals to change to output port
The booster circuit 2 of 7 voltage swings, booster circuit 2 have the charge power size corresponding with the size of ten grades of reference voltages.
After electric energy storage device connects output port 7, ten step voltage comparator circuits 8 compare the voltage swing of electric energy storage device with
The size of ten grades of reference voltages, and then export power regulating signals corresponding with ten grades of reference voltage order of magnitude, booster circuit 2
Change the size of boosting in response to power regulating signals, the charge power for corresponding to ten grades of reference voltages be provided to output port 7,
So that voltage swing actual after being charged according to electric energy storage device, to determine the discharge power size of charger baby battery 1, i.e., with storage
The voltage rise of electric equipment gradually steps up discharge power, avoids and carries out powerful put when starting to charge to electric energy storage device
Electricity, help to save the electricity of charger baby battery 1.
Reference picture 1 and Fig. 2, charger baby battery 1 be coupled with for when starting to charge up output pulse signal to charger baby
The pulse charging circuit 4 of the trickle charge of battery 1 and in response to pulse signal turn on the switch to electric energy storage device constant-current charge
Circuit 5, and pulse charging circuit 4 and on-off circuit 5 are coupled with for switching trickle charge or constant-current charge simultaneously
Switching circuit 6.
Reference picture 1 and Fig. 2, in order to avoid electric energy storage device is not connected and charger baby persistently export caused by electricity damage
Consumption, pulse charging circuit 4, which is coupled with, have been accessed for detecting electric energy storage device and then has connected pulse charging circuit 4 and charger baby battery
1 open circuit 3.
Reference picture 1 and Fig. 2, the positive pole of charger baby battery 1 are coupled with booster circuit 2, and booster circuit 2 is by cell voltage liter
Open circuit 3 and on-off circuit 5 are connected to after height, open circuit 3 includes the triode VT1 of NPN type, pulse charging circuit 4
Include diode VS, resistance R3, double base diode BT, resistance R4, resistance R2 and electric capacity C, wherein triode VT1 base stage
The positive terminal of output port 7 is coupled to, while triode VT1 colelctor electrode is coupled to the positive pole of charger baby battery 1, triode
Double base diode BT emitter stage, while triode VT1 emitter stage series connection are coupled to after VT1 emitter stage series resistance R2
It is coupled to double base diode BT the second base stage after resistance R3, coupling after double base diode BT the first base series resistor R4
It is connected to the negative pole of charger baby battery 1, while double base diode BT the first base stage output pulse signal, double base diode BT
Emitter stage and charger baby battery 1 negative pole between be coupled with electric capacity C, triode VT1 emitter stage is coupled to diode in addition
VS negative electrode, diode VS anode are coupled to the negative pole of charger baby battery 1.
Reference picture 2, on-off circuit 5 include IGCT VT, and IGCT VT anode is coupled to the positive pole of charger baby battery 1,
The positive pole of output port 7 is coupled to after IGCT VT negative electrode series current Table A, the negative pole of charger baby battery 1 is coupled to output
The negative pole end of port 7.
Reference picture 2, switching circuit 6 include single-pole double-throw switch (SPDT) K, and wherein single-pole double-throw switch (SPDT) K static contact is connected to double
For base diode BT with return pulse signal, a single-pole double-throw switch (SPDT) K moving contact is connected to IGCT VT control pole, hilted broadsword
Commutator K another static contact is connected to IGCT VT negative electrode.
Reference picture 3 and Fig. 4, booster circuit 2 include boost chip FP6291 and its peripheral circuit, FP6291 periphery electricity
Road is prior art, is repeated no more in the present embodiment, and it is defeated that the size of the boost power of booster circuit 2 depends on ten step voltage comparators
The power regulating signals gone out, 1 pin of booster circuit 2 are coupled to ten step voltage comparator circuits 8 with receiving power Regulate signal.
Ten step voltage comparator circuits 8 include integrated chip IC-1, electrochemical capacitor C7, resistance R8, resistance R9, resistance R10,
Resistance R11, wherein chip IC -1 are LM3914, and there is LM3941 1-18 to amount to 18 pins, LM3941 5 pin series resistances
The positive pole of charger baby battery 1 is connected to after R8, charger baby battery 1 is connected to after LM3941 5 pins while series resistance R9
Negative pole, LM3941 2,4 pins ground connection, LM3941 3,9 pins are connected to FP6291 1 pin, while LM3941 3 pins
Electrochemical capacitor C7 anode is connected to, electrochemical capacitor C7 negative electrode is connected with LM3941 4 pins, LM3941 6,7 pin strings
It is grounded after connection resistance R11, is connected to LM3941 7 pins after LM3941 8 pin series resistance R12, the 10 to 18 of LM3941
Pin and 1 pin connect respectively ten inductance L1 of different sizes, inductance L2, inductance L3, inductance L4, inductance L5, inductance L6,
The positive pole of charger baby battery 1 is connected to after inductance L7, inductance L8, inductance L9, inductance L10.
Ten step voltage comparator circuits 8 compare the voltage of electric energy storage device and the size of ten grades of reference voltages, electric shock equipment
Voltage is in a certain scope of ten grades of reference voltages, corresponding LM3941 10 to 18 pins and the conducting of 1 pin, and then should
In the inductance access booster circuit 2 of pin connection, difference of the booster circuit 2 due to accessing inductance, the boosting amplitude of output also can
Change, so as to realize the size for changing charge power according to the voltage of electric energy storage device.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (5)
1. a kind of charger baby charge power auto-adjusting circuit, including the output port to be charged for connecting electric energy storage device
(7), it is characterized in that：Also include the voltage and ten grades of reference voltages of the electric energy storage device compared with output port (7) couples and is used for
Size with ten step voltage comparator circuits (8) of power output Regulate signal and in response to power regulating signals with change to
The booster circuit (2) of output port (7) voltage swing, the booster circuit (2) have relative with the size of ten grades of reference voltages
The charge power size answered.
2. charger baby charge power auto-adjusting circuit according to claim 1, it is characterized in that：Also include and charger baby electricity
Pond (1) is coupled with pulse charging circuit (4) of the output pulse signal to charger baby battery (1) trickle charge when starting to charge up.
3. charger baby charge power auto-adjusting circuit according to claim 2, it is characterized in that：The pulse charging circuit
(4) it is coupled with and is turned in response to pulse signal with the on-off circuit (5) to electric energy storage device constant-current charge.
4. charger baby charge power auto-adjusting circuit according to claim 3, it is characterized in that：The pulse charging circuit
(4) it is coupled with on-off circuit (5) for (4) trickle charge of switch pulse charging circuit or on-off circuit (5) constant-current charge
Switching circuit (6).
5. charger baby charge power auto-adjusting circuit according to claim 2, it is characterized in that：The output port (7)
It is coupled with for detecting the open circuit that electric energy storage device has accessed and then connected pulse charging circuit (4) and charger baby battery (1)
(3)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720387504.2U CN206742902U (en) | 2017-04-12 | 2017-04-12 | Charger baby charge power auto-adjusting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720387504.2U CN206742902U (en) | 2017-04-12 | 2017-04-12 | Charger baby charge power auto-adjusting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206742902U true CN206742902U (en) | 2017-12-12 |
Family
ID=60558951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720387504.2U Expired - Fee Related CN206742902U (en) | 2017-04-12 | 2017-04-12 | Charger baby charge power auto-adjusting circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206742902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311438A (en) * | 2018-11-22 | 2019-10-08 | 美律电子(深圳)有限公司 | Charging device and operation method thereof |
-
2017
- 2017-04-12 CN CN201720387504.2U patent/CN206742902U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311438A (en) * | 2018-11-22 | 2019-10-08 | 美律电子(深圳)有限公司 | Charging device and operation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20171212 Termination date: 20190412 |