CN102157963A - Portable backup power supply device - Google Patents
Portable backup power supply device Download PDFInfo
- Publication number
- CN102157963A CN102157963A CN2010101117993A CN201010111799A CN102157963A CN 102157963 A CN102157963 A CN 102157963A CN 2010101117993 A CN2010101117993 A CN 2010101117993A CN 201010111799 A CN201010111799 A CN 201010111799A CN 102157963 A CN102157963 A CN 102157963A
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- circuit
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- output interface
- charging
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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 invention discloses a portable backup power supply device. A chargeable built-in battery, an output interface, a key switch and a circuit board which is integrated with a control circuit are arranged in the device; the chargeable built-in battery, the output interface and the key switch are electrically connected with the circuit board correspondingly; the control circuit comprises an LED (Light Emitting Diode) indicating circuit, an MCU (Microprogram Control Unit) control main loop, a charging control circuit and a boosting control output circuit; the MCU control main loop respectively controls the charging control circuit, the LED indicating circuit and the boosting control output circuit, and the MCU control main loop detects the electric quantity of the chargeable built-in battery; the MCU control main loop is transmitted and driven by the key switch; the output interface is electrically connected with the boosting control output circuit; the charging control circuit charges the chargeable built-in battery; the portable backup power supply device is connected with a computer or a special charger by the output interface for charging and can also be connected with the load by the output interface for supplying power to the load to become a backup power supply; and the control circuit of the device is controlled by adopting a single chip microcomputer. The invention has the advantages of low cost, high stability and high safety.
Description
Technical field
The present invention relates to the power supply field, especially a kind of portable back-up power apparatus.
Background technology
The battery capacity of small-sized digital product on the market is limited at present, when battery electric quantity is used up, need to use charger to connect power supply and charge, but in the process of carrying of going out, sometimes be difficult to find charge power supply, cause small-sized digital product can't use because of battery capacity is not enough.
Summary of the invention
In order to overcome above-mentioned defective, the invention provides a kind of portable back-up power apparatus, be provided with chargeable internal battery in this device, charge and can carry after saturated as stand-by power supply.
The present invention for the technical scheme that solves its technical problem and adopt is:
A kind of portable back-up power apparatus, be provided with chargeable internal battery in this device, output interface, key switch and the circuit board that is integrated with control circuit, this chargeable internal battery, the all corresponding electrical connection of output interface and key switch with described circuit board, the control circuit of described circuit board is by the LED indicating circuit, MCU controls major loop, the charging control circuit and the controlling output circuit of boosting are formed, wherein, MCU control major loop is controlled described charging control circuit respectively, the LED indicating circuit and the controlling output circuit of boosting, and MCU control major loop detects the electric weight of described chargeable internal battery, this MCU control major loop is by the key switch driving of delivering a letter, output interface is electrically connected with the controlling output circuit of boosting, charging control circuit is to described chargeable internal battery charging, and output interface can connect load or charging device.
As a further improvement on the present invention, described MCU control major loop serves as the control core with the single-chip microcomputer that is integrated with control program, and described MCU control major loop is controlled charging control circuit, LED indicating circuit and the controlling output circuit of boosting by this control program according to delivering a letter of described key switch.
As a further improvement on the present invention, be provided with battery capacity indicator light group and power supply output indicator in the described LED indicating circuit, this battery capacity indicator light group is five LED lamps, and described power supply output indicator is a LED lamp.
As a further improvement on the present invention, described power supply output indicator is a red LED lamp.
As a further improvement on the present invention, described output interface is the USB standard interface.
This device when charging, charging control circuit work, five LED lamps flickers in turn, treat that chargeable internal battery electric weight is filled after, five LED lamps are bright together; Have under the situation of electric weight in non-charging and chargeable internal battery, click key switch, five LED lamps are complete bright pilot cell capacity when expiring with battery electric quantity, the long key switch of pressing is output mode after three seconds, supply voltage is exported by output interface after passing through the controlling output circuit of boosting, reach the voltage supply that the user need use, output interface is the USB standard interface, can directly be connected or use the charger of special use with the USB of computer to the charging of device.
The invention has the beneficial effects as follows: this device connects computer by output interface or special charger can charge easily, can connect load by output interface again is powered at load and becomes stand-by power supply, device control circuit adopts Single-chip Controlling, and cost is low, stability is strong, safe.
Description of drawings
Fig. 1 is a principle of the invention frame diagram;
Fig. 2 is a circuit diagram of the present invention.
Embodiment
Embodiment: a kind of portable back-up power apparatus, be provided with chargeable internal battery 1 in this device, output interface 2, key switch 3 and the circuit board that is integrated with control circuit, this chargeable internal battery 1, the all corresponding electrical connection of output interface 2 and key switch 3 with described circuit board, the control circuit of described circuit board is by LED indicating circuit 11, MCU controls major loop 10, the charging control circuit 12 and the controlling output circuit 13 of boosting are formed, wherein, MCU control major loop 10 is controlled described charging control circuit 12 respectively, the LED indicating circuit 11 and the controlling output circuit 13 of boosting, and MCU control major loop 10 detects the electric weight of described chargeable internal battery 1, this MCU control major loop 10 is by key switch 3 driving of delivering a letter, output interface 2 is electrically connected with the controlling output circuit 13 of boosting, 12 pairs of described chargeable internal battery 1 chargings of charging control circuit, output interface 2 can connect load or charging device.
Described MCU control major loop 10 serves as the control core with the single-chip microcomputer that is integrated with control program, and described MCU control major loop 10 is controlled charging control circuit 12, LED indicating circuit 11 and the controlling output circuit 13 of boosting by this control program according to delivering a letter of described key switch 3.
Be provided with battery capacity indicator light group and power supply output indicator in the described LED indicating circuit 11, this battery capacity indicator light group is five LED lamps, and described power supply output indicator is a LED lamp.
Described power supply output indicator is a red LED lamp.
Described output interface 2 is the USB standard interface.
The circuit diagram of this device control circuit is seen shown in Figure 2.This device when charging, charging control circuit 12 work, five LED lamps flickers in turn, treat that chargeable internal battery 1 electric weight is filled after, five LED lamps are bright together; Have under the situation of electric weight in non-charging and chargeable internal battery 1, click key switch 3, five LED lamps are complete bright pilot cell capacity when expiring with battery electric quantity, the long key switch of pressing is output mode after 3 three seconds, supply voltage is exported by output interface 2 through controlling output circuit 13 backs of boosting, reach the voltage supply that the user need use, output interface 2 is the USB standard interface, can directly be connected or use the charger of special use with the USB of computer to the charging of device.
Claims (5)
1. portable back-up power apparatus, be provided with chargeable internal battery (1) in this device, output interface (2), key switch (3) and be integrated with the circuit board of control circuit, this chargeable internal battery (1), the all corresponding electrical connection of output interface (2) and key switch (3) with described circuit board, it is characterized in that: the control circuit of described circuit board is by LED indicating circuit (11), MCU controls major loop (10), charging control circuit (12) and the controlling output circuit of boosting (13) are formed, wherein, MCU control major loop (10) is controlled described charging control circuit (12) respectively, LED indicating circuit (11) and the controlling output circuit of boosting (13), and MCU control major loop (10) detects the electric weight of described chargeable internal battery (1), this MCU control major loop (10) is by key switch (3) driving of delivering a letter, output interface (2) is electrically connected with the controlling output circuit of boosting (13), charging control circuit (12) is to described chargeable internal battery (1) charging, and output interface (2) can connect load or charging device.
2. portable back-up power apparatus according to claim 1, it is characterized in that: described MCU control major loop (10) serves as the control core with the single-chip microcomputer that is integrated with control program, and described MCU control major loop (10) is controlled charging control circuit (12), LED indicating circuit (11) and the controlling output circuit of boosting (13) by this control program according to delivering a letter of described key switch (3).
3. portable back-up power apparatus according to claim 1, it is characterized in that: be provided with battery capacity indicator light group and power supply output indicator in the described LED indicating circuit (11), this battery capacity indicator light group is five LED lamps, and described power supply output indicator is a LED lamp.
4. portable back-up power apparatus according to claim 3 is characterized in that: described power supply output indicator is a red LED lamp.
5. portable back-up power apparatus according to claim 1 is characterized in that: described output interface (2) is the USB standard interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101117993A CN102157963A (en) | 2010-02-11 | 2010-02-11 | Portable backup power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101117993A CN102157963A (en) | 2010-02-11 | 2010-02-11 | Portable backup power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102157963A true CN102157963A (en) | 2011-08-17 |
Family
ID=44439213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101117993A Pending CN102157963A (en) | 2010-02-11 | 2010-02-11 | Portable backup power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102157963A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593908A (en) * | 2012-02-29 | 2012-07-18 | 深圳市华芯邦科技有限公司 | Backup power supply system |
| CN102742964A (en) * | 2012-07-27 | 2012-10-24 | 林永建 | Power circuit used for heating retaining shoes and clothing |
| CN103296704A (en) * | 2012-02-29 | 2013-09-11 | 天宇通讯科技(昆山)有限公司 | Portable and multifunctional standby power source of digital products |
-
2010
- 2010-02-11 CN CN2010101117993A patent/CN102157963A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593908A (en) * | 2012-02-29 | 2012-07-18 | 深圳市华芯邦科技有限公司 | Backup power supply system |
| CN102593908B (en) * | 2012-02-29 | 2013-04-10 | 深圳市华芯邦科技有限公司 | Backup power supply system |
| CN103296704A (en) * | 2012-02-29 | 2013-09-11 | 天宇通讯科技(昆山)有限公司 | Portable and multifunctional standby power source of digital products |
| CN102742964A (en) * | 2012-07-27 | 2012-10-24 | 林永建 | Power circuit used for heating retaining shoes and clothing |
| CN102742964B (en) * | 2012-07-27 | 2014-08-27 | 野力体育（中国）有限公司 | Power circuit used for heating retaining shoes and clothing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110817 |