CN205017026U - Digital product uninterrupted power source circuit - Google Patents
Digital product uninterrupted power source circuit Download PDFInfo
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- CN205017026U CN205017026U CN201520356854.3U CN201520356854U CN205017026U CN 205017026 U CN205017026 U CN 205017026U CN 201520356854 U CN201520356854 U CN 201520356854U CN 205017026 U CN205017026 U CN 205017026U
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Abstract
The utility model discloses a digital product uninterrupted power source circuit, change DC module, electric core protection circuit, electric core, trinity main control chip, output isolator including AC, AC changes DC module one end and is connected with output isolator electricity, and the other end is connected with electric core protection circuit and trinity main control chip electricity respectively, and electric core protection circuit one end is connected with electric core electricity, and the other end is connected with trinity main control chip electricity, AC changes the DC module and converts 220V50Hz NULL to the 5V3A direct current, electric core protection circuit realize filling, cross the mistake of electric core put, short circuit, overcurrent protection, electric core is used for the energy storage, AC changes the DC module and is controlled by trinity main control chip respectively with electric core protection circuit. The utility model discloses combine the electric quantity and the equipment power consumption actual conditions of electric core self to come the two electric current of dynamic allocation, simultaneously the two unites two into one with power charger and portable power source effectively, improves the utilization ratio of resource, and the reduction energy consumption uses intelligent digital product to bring very big facility for the user, has solved digital product from electrified pond time of endurance problem.
Description
Technical field
The utility model relates to power circuit technical field, be specifically related to a kind of to digital product charging while also charge to the battery core carried, when the power-off of AC civil power, the electric energy carrying battery core is changed to product charging, reaches the uninterrupted power supply circuit having power supply adaptor and stand-by power supply function concurrently.
Background technology
Along with intelligent digital product, panel computer, smart mobile phone universal, various low-power power adapter supporting for it and portable power source flourish, the product that the two function combines also occurs, but relevant technology is when processing " filling while put ", perfect not to the utmost, " fill " is show product to carry battery core charging, store electrical energy; " put " is show smart machine charging.Existing technology considers the power limited that AC turns DC module and provides, preferential discharge, and then to carrying battery core charging, or the electric current of fixing both distribution, the two is not taken into account mutually, is necessary to be solved.
Summary of the invention
The purpose of this utility model is the deficiency overcoming above-mentioned prior art, a kind of uninterrupted power supply circuit is provided, this power circuit adopts electric current dynamic allocation algorithm, both dynamic assignment electric current is carried out in conjunction with the electricity of battery core self and equipment electricity consumption actual conditions, this shortcoming of effective solution, reaches the effect that the two is taken into account.
The utility model solves the technical scheme that its technical problem adopts:
Uninterrupted power supply circuit, comprises AC and turns DC module, battery core protective circuit, battery core, three-in-one main control chip, exports isolator; Described AC turns DC module one end and is electrically connected with described output isolator, the other end is electrically connected with described battery core protective circuit and described three-in-one main control chip respectively, described battery core protective circuit one end is electrically connected with described battery core, and the other end is electrically connected with described three-in-one main control chip; Described AC turns DC module and 220V/50Hz is exchanged input and convert 5V3A direct current to; described battery core protective circuit realize to the overcharging of described battery core, cross put, short circuit, overcurrent protection; described battery core is used for energy storage, and described AC turns DC module and described battery core protective circuit is controlled by described three-in-one main control chip respectively.
Further, also comprise the input circuit turning DC module with described AC and be electrically connected, and the input interface be electrically connected with this input circuit.
Further, also comprise the output circuit be electrically connected with described output isolator, and be electrically connected output interface with this output circuit.
Further, described output interface is USB interface.
Further, 18650 battery cores that described battery core is 2600mAh by two joint capacity compose in parallel.
Further, described three-in-one main control chip realizes charging to battery core, battery core boosting 5V to exporting, keypress function, electric quantity display function, and wherein charge circuit is by charging current sample resistance R6, and charging controls metal-oxide-semiconductor Q6, Q1, inductance L 1, and main control chip U1 forms; Boosting loop is by discharging current sample resistance R14, and synchronous rectified boost metal-oxide-semiconductor Q1, Q3, main control chip U1, export and control metal-oxide-semiconductor Q2 composition, P17 and P20 of U1 exports the PWM drive singal of Q1, Q3; The P1 of D1, D2, D3, D4 and U1, P2, P3, P4 pin composition electric quantity display circuit; The P23 pin composition key circuit of S1 and U1, when there being input, AC realizes the charging to battery core, when inputting without AC, the voltage synchronous rectifier of described battery core is boosted into 5V and exports, and supports press switch to open boosting rectifier control and electricity display simultaneously.
Further, described output isolator is realized by isolating diode D5, and when inputting without AC, the 5V preventing the boosting of described battery core from exporting pours in down a chimney AC and turns DC module.
Further, described battery core protective circuit, by protect IC U3, controls metal-oxide-semiconductor Q6, and Q7 forms.
Further, described AC turns DC module by rectifier bridge stack BR1, transformer T1, PWM driving chip U1, metal-oxide-semiconductor Q1, the switching power circuit of even OP1, the Schottky D2 composition of light realizes, wherein L1, R11, C1 form LRC π type filter circuit, and U2 provides benchmark voltage, R18 and R8 series connection dividing potential drop sampling and outputting voltage, compare with the reference voltage that U2 provides, after OP1 isolation, feed back to the FB end of U1, the feedback of by-pass cock transformer T1, thus realizing the 5V voltage of stable output, C9 and C10 is output filter capacitor.
Compared with prior art, the portable power source tool of the utility model automobile starting function has the following advantages:
The utility model adopts electric current dynamic allocation algorithm, carrys out both dynamic assignment electric current, effectively solve this shortcoming, reach the effect that the two is taken into account in conjunction with the electricity of battery core self and equipment electricity consumption actual conditions; Effectively both mains charger and portable power source are united two into one simultaneously, improve the utilance of resource, reduce energy consumption, use intelligent digital product to bring very large facility to user, solve digital product and carry battery life problem.
Accompanying drawing explanation
Fig. 1 is work structuring block diagram of the present utility model;
Fig. 2 is operation principle circuit diagram of the present utility model;
Fig. 3 is another operation principle circuit diagram of the present utility model.
Main element symbol description is as follows:
1, AC turns DC module 2, battery core protective circuit
3, battery core 4, three-in-one main control chip
5, isolator is exported
Embodiment
The embodiment provided below in conjunction with accompanying drawing is described in further detail the utility model.
As shown in Figure 1 to Figure 3, this implements described uninterrupted power supply circuit, comprises AC and turns DC module 1, battery core protective circuit 2, battery core 3, three-in-one main control chip 4, exports isolator 5; AC turns DC module 1 one end and is electrically connected with output isolator 5, and the other end is electrically connected with battery core protective circuit 2 and three-in-one main control chip 4 respectively, and battery core protective circuit 2 one end is electrically connected with battery core 3, and the other end is electrically connected with three-in-one main control chip 4; AC turns DC module 1 and 220V/50Hz is exchanged input and convert 5V3A direct current to; battery core protective circuit 2 realize to the overcharging of battery core 3, cross put, short circuit, overcurrent protection; battery core 3 is used for energy storage, and AC turns DC module 1 and is controlled by three-in-one main control chip 4 respectively with battery core protective circuit 2.The utility model adopts electric current dynamic allocation algorithm, carrys out both dynamic assignment electric current, effectively solve this shortcoming, reach the effect that the two is taken into account in conjunction with the electricity of battery core self and equipment electricity consumption actual conditions; Effectively both mains charger and portable power source are united two into one simultaneously, improve the utilance of resource, reduce energy consumption, use intelligent digital product to bring very large facility to user, solve digital product and carry battery life problem.
Further, also comprise the input circuit turning DC module 1 with AC and be electrically connected, and the input interface be electrically connected with this input circuit.
Further, also comprise the output circuit be electrically connected with output isolator 5, and be electrically connected output interface with this output circuit.
Further, output interface is USB interface.
Further, 18650 battery cores that battery core 3 is 2600mAh by two joint capacity compose in parallel.
Further, three-in-one main control chip 4 realizes charging to battery core, battery core boosting 5V to exporting, keypress function, electric quantity display function, and wherein charge circuit is by charging current sample resistance R6, and charging controls metal-oxide-semiconductor Q6, Q1, inductance L 1, and main control chip U1 forms; Boosting loop is by discharging current sample resistance R14, and synchronous rectified boost metal-oxide-semiconductor Q1, Q3, main control chip U1, export and control metal-oxide-semiconductor Q2 composition, P17 and P20 of U1 exports the PWM drive singal of Q1, Q3; The P1 of D1, D2, D3, D4 and U1, P2, P3, P4 pin composition electric quantity display circuit; The P23 pin composition key circuit of S1 and U1, when there being input, AC realizes the charging to battery core, when inputting without AC, the voltage synchronous rectifier of described battery core is boosted into 5V and exports, and supports press switch to open boosting rectifier control and electricity display simultaneously.
Further, export isolator 5 and realized by isolating diode D5, when inputting without AC, the 5V preventing battery core 3 boosting from exporting pours in down a chimney AC and turns DC module.
Further, battery core protective circuit 2, by protect IC U3, controls metal-oxide-semiconductor Q6, and Q7 forms.
Further, AC turns DC module 1 by rectifier bridge stack BR1, transformer T1, PWM driving chip U1, metal-oxide-semiconductor Q1, the switching power circuit of even OP1, the Schottky D2 composition of light realizes, wherein L1, R11, C1 form LRC π type filter circuit, and U2 provides benchmark voltage, R18 and R8 series connection dividing potential drop sampling and outputting voltage, compare with the reference voltage that U2 provides, after OP1 isolation, feed back to the FB end of U1, the feedback of by-pass cock transformer T1, thus realizing the 5V voltage of stable output, C9 and C10 is output filter capacitor.
The utility model has three kinds of mode of operations:
1, fill while mode playback
When there being AC to input, AC turns DC module converts through AC and becomes direct current, through battery core protective circuit monitoring charging process to battery core safe charging; While through exporting isolator to delivery outlet, directly electric discharge is to outer access equipment use.
2, back-up source pattern
When three-in-one main control chip detect input without AC time, immediately battery core voltage source is boosted to after battery core protective circuit 5V and exports to external equipment and power.
3, sleep for electricity saving pattern
When three-in-one main control chip detects both without AC input, output is also non-loaded when needing power supply, and after confirmation certain hour, main control chip enters park mode automatically, and whole circuit wasted current is reduced to below 30uA, effectively reduces the loss of battery core electric energy.
The utility model fills while discharge capacity dynamic allocation algorithm operation principle:
Fill while main control chip IC detects by current sampling resistor R6 the aggregate supply electric current that AC turns DC module when putting, detect to the charging current of battery core by current sampling resistor R14, convert to obtain current external load electric current, charging core fully can not be met with when discharging to peripheral hardware when AC turns DC module, suitable minimizing is to the charging current of battery core, to meet the two demand, along with the built-in battery core of external load is filled soon, when being equivalent to the minimizing of required electric energy, increase the charging current of self battery core again, reach dynamic adjustments, reasonable coordination, the object that makes full use of.
As described above, be only the preferred embodiment that this is novel, when can not limit the scope of this novel enforcement with this, the simple equivalence change namely in every case done according to this novel claim and novel description with modify, all still belong in scope that this new patent contains.
Claims (9)
1. a digital product uninterrupted power supply circuit, is characterized in that: comprise AC and turn DC module, battery core protective circuit, battery core, three-in-one main control chip, export isolator; Described AC turns DC module one end and is electrically connected with described output isolator, the other end is electrically connected with described battery core protective circuit and described three-in-one main control chip respectively, described battery core protective circuit one end is electrically connected with described battery core, and the other end is electrically connected with described three-in-one main control chip; Described AC turns DC module and 220V/50Hz is exchanged input and convert 5V3A direct current to; described battery core protective circuit realize to the overcharging of described battery core, cross put, short circuit, overcurrent protection; described battery core is used for energy storage, and described AC turns DC module and described battery core protective circuit is controlled by described three-in-one main control chip respectively.
2. a kind of digital product uninterrupted power supply circuit according to claim 1, is characterized in that: also comprise the input circuit turning DC module with described AC and be electrically connected, and the input interface be electrically connected with this input circuit.
3. a kind of digital product uninterrupted power supply circuit according to claim 1, is characterized in that: also comprise the output circuit be electrically connected with described output isolator, and be electrically connected output interface with this output circuit.
4. a kind of digital product uninterrupted power supply circuit according to claim 3, is characterized in that: described output interface is USB interface.
5. a kind of digital product uninterrupted power supply circuit according to claim 1, is characterized in that: 18650 battery cores that described battery core is 2600mAh by two joint capacity compose in parallel.
6. a kind of digital product uninterrupted power supply circuit according to claim 1, it is characterized in that: described three-in-one main control chip realizes charging to battery core, battery core boosting 5V to exporting, keypress function, electric quantity display function, wherein charge circuit is by charging current sample resistance R6, and charging controls metal-oxide-semiconductor Q6, Q1, inductance L 1, main control chip U1 forms; Boosting loop is by discharging current sample resistance R14, and synchronous rectified boost metal-oxide-semiconductor Q1, Q3, main control chip U1, export and control metal-oxide-semiconductor Q2 composition, P17 and P20 of U1 exports the PWM drive singal of Q1, Q3; The P1 of D1, D2, D3, D4 and U1, P2, P3, P4 pin composition electric quantity display circuit; The P23 pin composition key circuit of S1 and U1, when there being input, AC realizes the charging to battery core, when inputting without AC, the voltage synchronous rectifier of described battery core is boosted into 5V and exports, and supports press switch to open boosting rectifier control and electricity display simultaneously.
7. a kind of digital product uninterrupted power supply circuit according to claim 1, is characterized in that: described output isolator is realized by isolating diode D5, and when inputting without AC, the 5V preventing the boosting of described battery core from exporting pours in down a chimney AC and turns DC module.
8. a kind of digital product uninterrupted power supply circuit according to claim 1, is characterized in that: described battery core protective circuit, by protect IC U3, controls metal-oxide-semiconductor Q6, and Q7 forms.
9. a kind of digital product uninterrupted power supply circuit according to claim 6, it is characterized in that: described AC turns DC module by rectifier bridge stack BR1, transformer T1, PWM driving chip U1, metal-oxide-semiconductor Q1, the even OP1 of light, the switching power circuit that Schottky D2 forms realizes, wherein L1, R11, C1 forms LRC π type filter circuit, U2 provides benchmark voltage, R18 and R8 series connection dividing potential drop sampling and outputting voltage, compare with the reference voltage that U2 provides, the FB end of U1 is fed back to after OP1 isolation, the feedback of by-pass cock transformer T1, thus realize the 5V voltage of stable output, C9 and C10 is output filter capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520356854.3U CN205017026U (en) | 2015-10-08 | 2015-10-08 | Digital product uninterrupted power source circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520356854.3U CN205017026U (en) | 2015-10-08 | 2015-10-08 | Digital product uninterrupted power source circuit |
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| Publication Number | Publication Date |
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| CN205017026U true CN205017026U (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520356854.3U Active CN205017026U (en) | 2015-10-08 | 2015-10-08 | Digital product uninterrupted power source circuit |
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| CN (1) | CN205017026U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300512A (en) * | 2016-08-22 | 2017-01-04 | 青岛歌尔声学科技有限公司 | A kind of method and apparatus controlling portable power source discharge and recharge |
| CN108183537A (en) * | 2018-01-18 | 2018-06-19 | 深圳市集芯源电子科技有限公司 | High power electric vehicle battery charger |
-
2015
- 2015-10-08 CN CN201520356854.3U patent/CN205017026U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300512A (en) * | 2016-08-22 | 2017-01-04 | 青岛歌尔声学科技有限公司 | A kind of method and apparatus controlling portable power source discharge and recharge |
| CN106300512B (en) * | 2016-08-22 | 2019-04-30 | 青岛歌尔声学科技有限公司 | A kind of method and apparatus controlling mobile power source charge and discharge |
| CN108183537A (en) * | 2018-01-18 | 2018-06-19 | 深圳市集芯源电子科技有限公司 | High power electric vehicle battery charger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 511400 No. 49 Wantai Road, Dongyong Town, Nansha District, Guangzhou City, Guangdong Province (No. 2 Workshop) 401 Patentee after: Guangfei Digital Technology (Guangzhou) Co., Ltd. Address before: 511400 South Highway 663 (General Workshop 1) 201, Dongyong Town, Nansha District, Guangzhou City, Guangdong Province Patentee before: SCUD (Guangzhou) Digital Technology Co., Ltd. |
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| CP03 | Change of name, title or address |