CN206759070U - A kind of battery charger circuit - Google Patents
A kind of battery charger circuit Download PDFInfo
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- CN206759070U CN206759070U CN201720150635.9U CN201720150635U CN206759070U CN 206759070 U CN206759070 U CN 206759070U CN 201720150635 U CN201720150635 U CN 201720150635U CN 206759070 U CN206759070 U CN 206759070U
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Abstract
The utility model discloses a kind of battery charger circuit, coordinate the complete battery pair preliminary filling of MCU simulations PWM mode, constant current, constant voltage mode charging process including No.1 counnter attack back flow circuit and No. two counnter attack back flow circuits, the positive pole OUT1 power circuits and negative pole OUT power circuits of No.1 counnter attack back flow circuit are electrically connected with direct current DC inputs respectively, and are also electrically connected with metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 on positive pole OUT1 power circuits.Battery charger circuit of the present utility model, existing charging circuit is improved, makes its simplification, so as to substantially increase superiority of effectiveness；Due to having installed voltage-stablizer HM7750 and intelligent editable MCU in circuit additional, when two batteries are simultaneously under charge condition, under conditions of input power is constant, charged to battery peak power, substantially reducing the charging interval meets user's waiting time.
Description
Technical field
Battery boosting technology field is the utility model is related to, especially a kind of battery charger circuit.
Background technology
To two batteries, charging modes are realized using the charge management circuit of two-way independence to existing charger simultaneously
Two battery chargings, and because two-way charge management circuit is excessively complicated, cost is too high not to have superiority of effectiveness, and with defeated
Enter under power situation can not peak power meet two batteries while charge that the charging interval is long to can not meet user, and
And the matching condition of two batteries can not be detected when being charged to two batteries and reaches charged in parallel effect.
Utility model content
The purpose of this utility model is to provide a kind of battery charger circuit, existing to solve to propose in above-mentioned background technology
Have that charger two-way charge management circuit is excessively complicated, cost is too high does not have a superiority of effectiveness, and can not peak power expire
The problem of two batteries of foot charge simultaneously, and the charging interval is long.
To achieve the above object, the utility model provides following technical scheme：A kind of battery charger circuit, including No.1
Counnter attack back flow circuit and No. two counnter attack back flow circuits, the positive pole OUT1 power circuits and negative pole of the No.1 counnter attack back flow circuit
OUT- power circuits are electrically connected with direct current DC inputs respectively, and are also electrically connected with positive pole OUT1 power circuits
Metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2, the metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 are connected on positive pole OUT1 power circuits, and metal-oxide-semiconductor Q1 and
Metal-oxide-semiconductor Q2 side is also parallel with resistance R13, and resistance R12, the resistance are also electrically connected with negative pole OUT- power circuits
R12 is connected on negative pole OUT- power circuits, and resistance R12 side is also parallel with resistance R6 and electric capacity C3, No.1 counnter attack
Three branch circuits are also electrically connected between the positive pole OUT1 power circuits and negative pole OUT- power circuits of back flow circuit, and
Triode Q7, triode Q6 and electric capacity C1 have been electrically connected on three branch circuits, No. two counnter attack back flow circuits
Positive pole OUT2 power circuits are electrically connected with control source VIN+, and are also electrically connected with MOS on positive pole OUT2 power circuits
Pipe Q3 and metal-oxide-semiconductor Q4, the metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q4 are connected on positive pole OUT2 power circuits, and metal-oxide-semiconductor Q3 and metal-oxide-semiconductor
Q4 side is also parallel with resistance R14, and two are also electrically connected with the positive pole OUT2 power circuits of No. two counnter attack back flow circuits
Branch circuit, and triode Q5 and C4 have also been electrically connected on two branch circuits.
As further program of the utility model：In the No.1 counnter attack back flow circuit and No. two counnter attack back flow circuits also
Add voltage-stablizer HM7750 and intelligent editable MCU.
As further program of the utility model：The positive pole OUT2 of No. two counnter attack back flow circuits also passes through branch's electricity
Road is electrically connected with pulse width modulation (PWM) 2.
As further program of the utility model：The No.1 counnter attack back flow circuit and No. two counnter attack back flow circuits are also logical
Oversampling circuit is electrically connected with charging display circuit.
As further program of the utility model：The charging display circuit is electrically connected with group by LED, LED1 and LED2
Into.
Compared with prior art, the utility model beneficial effect：
Battery charger circuit of the present utility model, existing charging circuit is improved, makes its simplification, so as to significantly
Improve superiority of effectiveness；Due to having installed voltage-stablizer HM7750 and intelligent editable MCU in circuit additional, when simultaneously two batteries fill
In the case of electricity, under conditions of input power is constant, charged to battery peak power, substantially reduce charging interval satisfaction
User waiting time；And this charging circuit is electrically connected with pulse width modulation (PWM) 2, passes through pulse width modulation
The single chip machine controlling circuit that PWM2 is carried, it is now stateful so as to which battery can accurately be detected, give battery optimal charge pattern.
Brief description of the drawings
Fig. 1 is No.1 counnter attack back flow circuit schematic diagram of the present utility model；
Fig. 2 is No. two counnter attacks back flow circuit schematic diagram of the present utility model；
Fig. 3 is charging display circuit schematic diagram of the present utility model；
Fig. 4 is voltage regulator circuit schematic diagram of the present utility model；
Fig. 5 is single chip machine controlling circuit figure of the present utility model.
In figure：1- No.1 counnter attack back flow circuits；No. bis- counnter attack back flow circuits of 2-；3- charging display circuits.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1-5, in the utility model embodiment, electricity is poured in down a chimney in a kind of battery charger circuit, including No.1 counnter attack
Road 1 and No. two counnter attack back flow circuits 2, the positive pole OUT1 power circuits and negative pole OUT- power supplys of the No.1 counnter attack back flow circuit 1
Circuit respectively with direct current DC inputs be electrically connected with, and be also electrically connected with positive pole OUT1 power circuits metal-oxide-semiconductor Q1 and
Metal-oxide-semiconductor Q2, the metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 are connected on positive pole OUT1 power circuits, and the one of metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2
Side is also parallel with resistance R13, and resistance R12, the resistance R12 are also electrically connected with negative pole OUT- power circuits and is connected on negative pole
On OUT- power circuits, and resistance R12 side is also parallel with resistance R6 and electric capacity C3, and No.1 counnter attack back flow circuit 1 is just
Three branch circuits, and three branch circuits are also electrically connected between pole OUT1 power circuits and negative pole OUT- power circuits
On triode Q7, triode Q6 and electric capacity C1, the positive pole OUT2 power supplys of No. two counnter attack back flow circuits 2 has been electrically connected
Circuit is electrically connected with control source VIN+, and is also electrically connected with metal-oxide-semiconductor Q3 and metal-oxide-semiconductor on positive pole OUT2 power circuits
Q4, the metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q4 are connected on positive pole OUT2 power circuits, and metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q4 side are also
Resistance R14 is parallel with, two branch circuits are also electrically connected with the positive pole OUT2 power circuits of No. two counnter attack back flow circuits 2,
And triode Q5 and C4 are also electrically connected on two branch circuits, the positive pole OUT2 of No. two counnter attack back flow circuits 2 is also
Pulse width modulation (PWM) 2 is electrically connected with by branch circuit, the single-chip microcomputer carried by pulse width modulation (PWM) 2 controls electricity
Road, so as to detect, battery is now stateful, and No.1 counnter attack back flow circuit 1 and No. two counnter attack back flow circuits 2 also pass through
Circuit is electrically connected with charging display circuit 3, and charging display circuit 3 is electrically connected with by LED, LED1 and LED2 and formed, and passes through LED
Lamp can intuitively show the state of charging.
Battery charger circuit of the present utility model, existing charging circuit is improved, makes its simplification, so as to significantly
Improve superiority of effectiveness；Due to having installed voltage-stablizer HM7750 and intelligent editable MCU in circuit additional, when simultaneously two batteries fill
In the case of electricity, under conditions of input power is constant, charged to battery peak power, substantially reduce charging interval satisfaction
User waiting time；And this charging circuit is electrically connected with pulse width modulation (PWM) 2, passes through pulse width modulation
The single chip machine controlling circuit that PWM2 is carried, it is now stateful so as to which battery can accurately be detected, give battery optimal charge pattern.
In summary：Battery charger circuit of the present utility model, existing charging circuit is simplified, improves cost performance
Advantage, it is excessively complicated effectively to solve existing charger two-way charge management circuit, and cost is too high not to have superiority of effectiveness, and
And can not peak power meet two batteries while charge, the problem of charging interval is long.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of battery charger circuit, including No.1 counnter attack back flow circuit (1) and No. two counnter attack back flow circuits (2), its feature
It is：The positive pole OUT1 power circuits and negative pole OUT- power circuits of the No.1 counnter attack back flow circuit (1) respectively with direct current
DC inputs are electrically connected with, and metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2, the metal-oxide-semiconductor are also electrically connected with positive pole OUT1 power circuits
Q1 and metal-oxide-semiconductor Q2 is connected on positive pole OUT1 power circuits, and metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 side are also parallel with resistance
R13, resistance R12, the resistance R12 are also electrically connected with negative pole OUT- power circuits and is connected on negative pole OUT- power circuits
On, and resistance R12 side is also parallel with resistance R6 and electric capacity C3, the positive pole OUT1 power supplys of No.1 counnter attack back flow circuit (1)
Three branch circuits are also electrically connected between circuit and negative pole OUT- power circuits, and it is electrical respectively on three branch circuits
It is connected with triode Q7, triode Q6 and electric capacity C1, positive pole OUT2 power circuits and the electricity of No. two counnter attack back flow circuits (2)
Pressure input VIN+ is electrically connected with, and metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q4, the MOS are also electrically connected with positive pole OUT2 power circuits
Pipe Q3 and metal-oxide-semiconductor Q4 is connected on positive pole OUT2 power circuits, and metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q4 side are also parallel with resistance
R14, two branch circuits, and two are also electrically connected with the positive pole OUT2 power circuits of No. two counnter attack back flow circuits (2)
Triode Q5 and C4 have also been electrically connected on branch circuit.
A kind of 2. battery charger circuit according to claim 1, it is characterised in that：The No.1 counnter attack back flow circuit
(1) voltage-stablizer HM7750 and intelligent editable MCU also and in No. two counnter attack back flow circuits (2) are added.
A kind of 3. battery charger circuit according to claim 1, it is characterised in that：No. two counnter attack back flow circuits
(2) positive pole OUT2 is also electrically connected with pulse width modulation (PWM) 2 by branch circuit.
A kind of 4. battery charger circuit according to claim 1, it is characterised in that：The No.1 counnter attack back flow circuit
(1) and No. two counnter attack back flow circuits (2) are also electrically connected with charging display circuit (3) by circuit.
A kind of 5. battery charger circuit according to claim 4, it is characterised in that：The charging display circuit (3) by
LED, LED1 and LED2 are electrically connected with composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720150635.9U CN206759070U (en) | 2017-02-20 | 2017-02-20 | A kind of battery charger circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720150635.9U CN206759070U (en) | 2017-02-20 | 2017-02-20 | A kind of battery charger circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206759070U true CN206759070U (en) | 2017-12-15 |
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ID=60608822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720150635.9U Active CN206759070U (en) | 2017-02-20 | 2017-02-20 | A kind of battery charger circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN206759070U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020020124A1 (en) * | 2018-07-25 | 2020-01-30 | 维沃移动通信有限公司 | Multi-battery charging and discharging apparatus and mobile terminal |
-
2017
- 2017-02-20 CN CN201720150635.9U patent/CN206759070U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020020124A1 (en) * | 2018-07-25 | 2020-01-30 | 维沃移动通信有限公司 | Multi-battery charging and discharging apparatus and mobile terminal |
| US11336105B2 (en) | 2018-07-25 | 2022-05-17 | Vivo Mobile Communication Co., Ltd. | Multi-battery charging and discharging device and mobile terminal |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 365, Dongkeng Avenue South, Dongkeng Town, Dongguan City, Guangdong Province, 523000 Patentee after: Meispu Electronics Co.,Ltd. Address before: No. 365, Dongkeng Avenue South, Dongkeng Town, Dongguan City, Guangdong Province, 523000 Patentee before: DONGGUAN CITY MAISI PU ELECTRONICS CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |