CN202798048U - Multifunctional mobile lighting charger - Google Patents
Multifunctional mobile lighting charger Download PDFInfo
- Publication number
- CN202798048U CN202798048U CN2012203565202U CN201220356520U CN202798048U CN 202798048 U CN202798048 U CN 202798048U CN 2012203565202 U CN2012203565202 U CN 2012203565202U CN 201220356520 U CN201220356520 U CN 201220356520U CN 202798048 U CN202798048 U CN 202798048U
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- China
- Prior art keywords
- circuit
- multifunctional mobile
- lithium ion
- ion battery
- mobile lighting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model relates to a multifunctional mobile lighting charger. The multifunctional mobile lighting charger is characterized in that the multifunctional mobile lighting charger includes a USB power source, a solar panel, an input control circuit, a charging management circuit, a lithium ion battery, a DC-DC voltage-boosting circuit, an LED drive circuit and a lighting circuit. The USB power source and the solar panel are respectively connected to two power source input ends of the input control circuit; the input control circuit, the charging management circuit, the lithium ion battery and the DC-DC voltage-boosting circuit are connected with each other in sequence, such that stable direct-current power can be outputted to charge a mobile digital product. With the multifunctional mobile lighting charger of the utility model which is of reasonable design adopted, two kinds of input power sources can be used to charge the lithium ion battery of a mobile power source, thereby greatly shortening the time for fully charging the battery inside the mobile power source; with the advanced charging management circuit, safe use of the lithium ion battery can be ensured, the service life of the lithium ion battery is effectively prolonged; the lighting function of an LED is enhanced, which enables a wider application range of the product; and convenient, practical, environmentally-friendly and energy-saving products can be supplied for the daily lives of people.
Description
Technical field
The utility model belongs to field of photoelectric technology, especially a kind of Multifunctional mobile lighting charger.
Background technology
Along with the application popularization of mobile digital product, people are more and more higher to its degree of dependence.Because the mobile digital product uses lithium battery power supply usually, people urgently wish to improve the battery flying power of mobile digital product, and therefore, various battery charging equipments arise at the historic moment.Existing battery charger uses AC power that battery is charged usually, its scope of application is very restricted, can not satisfy the needs that charge whenever and wherever possible, existing batteries charger function is more single simultaneously, is difficult to satisfy the many-sided needs of people.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of and can use simultaneously two kinds of input powers to be lithium ion cell charging, safe and reliable and multiple functional Multifunctional mobile lighting charger.
The utility model solves its technical problem and takes following technical scheme to realize:
A kind of Multifunctional mobile lighting charger, comprise USB power supply, solar panels, input control circuit, charge management circuit, lithium ion battery and DC-DC booster circuit, USB power supply and solar panels are connected respectively to two power inputs of input control circuit, input control circuit, charge management circuit, lithium ion battery, DC-DC booster circuit are connected successively, and the DC power supply of stable output is the charging of mobile digital product.
And the output of described DC-DC booster circuit also connects an electric voltage observation circuit, and this electric voltage observation circuit is connected with the LED lamp by led drive circuit to be provided the LED illumination functions and prevent that lithium battery voltage from crossing the defencive function of putting.
And described LED lamp is single great power LED, perhaps is a plurality of LED of serial or parallel connection.
And described led drive circuit is by boost dc/dc converter and current-modulation the electric circuit constitute.
And, the power supply that described USB power supply provides for USB interface of computer or the power supply that provides for AC power source adapter.
And described charge management circuit is comprised of lithium cell charging managing chip and peripheral circuit.
And described lithium ion battery also is provided with the NTC temperature sensor.
Advantage of the present utility model and good effect are:
1, the utility model can use USB power supply and two kinds of input powers of solar panels to be lithium cell charging simultaneously, has greatly shortened the portable power source internal cell and has been full of the required time, has satisfied user's the needs of charging whenever and wherever possible.
2, charge management circuit of the present utility model can be adjusted charging current automatically according to the electric current fan-out capability of input voltage source; This charge management circuit adopts constant current/constant voltage/constant temperature mode charging, both can make the charging current maximization, can prevent chip overheating again; When the supply voltage power down, automatically enter the sleep pattern of low-power consumption, have simultaneously the battery temperature monitoring function and automatically recharge function.
3, the utility model not only has the charge function of portable power source, the boost in voltage of single-unit lithium ion battery is arrived 5V, satisfied the charging requirement for most of USB interface power supply electronic products, but also realize the LED illumination functions by electric voltage observation circuit and led drive circuit, driving comprises all kinds of light-emitting diodes of white light LEDs, and available outside variable resistor is regulated the brightness of LED.
4, the utlity model has electric voltage observation circuit, when the Voltage-output of lithium ion battery was lower than 2.93V, its electric voltage observation circuit output reset signal made the output of led drive circuit no current, and the LED lamp goes out, and has realized the function of lithium battery voltage Cross prevention.
Description of drawings
Fig. 1 is circuit block diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
A kind of Multifunctional mobile lighting charger, as shown in Figure 1, comprise USB power supply, solar panels, input control circuit, charge management circuit, lithium ion battery, DC-DC booster circuit, electric voltage observation circuit, led drive circuit, LED lamp, USB power supply and solar panels are lithium ion cell charging as two power inputs that two kinds of input powers are connected respectively to input control circuit, and this USB power supply can provide or provide by AC power source adapter by USB interface of computer; Input control circuit, charge management circuit, lithium ion battery, DC-DC booster circuit are connected successively; the DC power supply of stable output is the charging of mobile digital product; this DC-DC booster circuit also is connected with voltage detecting circuit; this voltage detecting circuit is connected with the LED lamp by led drive circuit, the LED illumination functions is provided and has to prevent that lithium battery voltage from crossing the defencive function of putting.
The below describes respectively the each several part circuit:
Input control circuit is used for control USB power supply or solar panels are lithium ion cell charging, preferentially uses the USB power supply, stops electric current to flow into solar panels from the USB power supply, and prevents that solar panels from producing unnecessary energy consumption.
Charge management circuit is comprised of lithium cell charging managing chip and peripheral circuit, and this lithium cell charging managing chip inside is integrated with 8 a/D converter circuits, can automatically adjust charging current according to the electric current fan-out capability of input voltage source; This chip only needs few peripheral component, and meets the usb bus technical specification.This charge management circuit adopts constant current/constant voltage/constant temperature mode charging, both can make the charging current maximization, can prevent chip overheating again; This circuit enters the sleep pattern of low-power consumption automatically when the supply voltage power down; This circuit has charged state and the two indication outputs of charging done state, the battery temperature monitoring function is arranged, and tool recharges function automatically.
Lithium ion battery adopts 18650 lithium batteries or polymer battery core and selects customization NTC temperature sensor, to realize the battery temperature monitoring function.
The DC-DC booster circuit can with the boost in voltage of single-unit lithium ion battery and to export the 5V direct voltage be that the mobile digital product charges, and can satisfy the charging requirement for most of USB interface power supply mobile digital products.
Electric voltage observation circuit carries out Real-Time Monitoring to the output voltage of DC-DC booster circuit; when the Voltage-output of lithium ion battery was lower than 2.93V, its electric voltage observation circuit output reset signal made the output of led drive circuit no current; the LED lamp goes out, and has realized the function of lithium battery voltage Cross prevention.
Led drive circuit is by boost dc/dc converter and current-modulation the electric circuit constitute; the main feature of this circuit is; chip internal is integrated with power transistor; greatly reduced the number of external component; and have chip overheat protector and a LED short/open defencive function; the current range that this chip can arrange is 30-800mA, can drive all kinds of light-emitting diodes that comprise white light LEDs, and available outside variable resistor is regulated the brightness of LED.The range of application of its led drive circuit is very wide, both can drive single great power LED, also can drive a plurality of LED of serial or parallel connection, all right driving LED lamp, so this circuit is not only applicable to Multifunctional portable power source, also can use at the LED lighting backlight and various of LCD and keyboard.
The LED lamp both can be single great power LED, also can be a plurality of LED of serial or parallel connection.
It is emphasized that; embodiment described in the utility model is illustrative; rather than determinate; therefore the utility model comprises and is not limited to the embodiment described in the embodiment; every by those skilled in the art according to other execution modes that the technical solution of the utility model draws, belong to equally the scope of the utility model protection.
Claims (7)
1. Multifunctional mobile lighting charger, it is characterized in that: comprise USB power supply, solar panels, input control circuit, charge management circuit, lithium ion battery and DC-DC booster circuit, USB power supply and solar panels are connected respectively to two power inputs of input control circuit, input control circuit, charge management circuit, lithium ion battery, DC-DC booster circuit are connected successively, and the DC power supply of stable output is the charging of mobile digital product.
2. Multifunctional mobile lighting charger according to claim 1, it is characterized in that: the output of described DC-DC booster circuit also connects an electric voltage observation circuit, and this electric voltage observation circuit is connected with the LED lamp by led drive circuit provides the LED illumination functions.
3. Multifunctional mobile lighting charger according to claim 2, it is characterized in that: described LED lamp is single great power LED, perhaps is a plurality of LED of serial or parallel connection.
4. Multifunctional mobile lighting charger according to claim 2, it is characterized in that: described led drive circuit is by boost dc/dc converter and current-modulation the electric circuit constitute.
5. according to claim 1 to 4 each described Multifunctional mobile lighting chargers, it is characterized in that: the power supply that described USB power supply provides for USB interface of computer or the power supply that provides for AC power source adapter.
6. according to claim 1 to 4 each described Multifunctional mobile lighting chargers, it is characterized in that: described charge management circuit is comprised of lithium cell charging managing chip and peripheral circuit.
7. according to claim 1 to 4 each described Multifunctional mobile lighting chargers, it is characterized in that: described lithium ion battery also is provided with the NTC temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203565202U CN202798048U (en) | 2012-07-20 | 2012-07-20 | Multifunctional mobile lighting charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203565202U CN202798048U (en) | 2012-07-20 | 2012-07-20 | Multifunctional mobile lighting charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202798048U true CN202798048U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203565202U Expired - Fee Related CN202798048U (en) | 2012-07-20 | 2012-07-20 | Multifunctional mobile lighting charger |
Country Status (1)
| Country | Link |
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| CN (1) | CN202798048U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104582203A (en) * | 2015-02-03 | 2015-04-29 | 深圳市中孚能电气设备有限公司 | Wireless LED lamp control circuit |
| CN107071963A (en) * | 2017-02-06 | 2017-08-18 | 大连佳沅电子科技有限公司 | Extra exit lighting circuit |
| CN107567143A (en) * | 2017-09-25 | 2018-01-09 | 深圳市博远交通设施有限公司 | A kind of guardrail anticollision device, collision-prevention device for having hypervelocity concurrently and warning and illuminating |
| CN112965552A (en) * | 2021-02-09 | 2021-06-15 | 杭州小电科技股份有限公司 | Portable power source leased equipment and control system |
-
2012
- 2012-07-20 CN CN2012203565202U patent/CN202798048U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104582203A (en) * | 2015-02-03 | 2015-04-29 | 深圳市中孚能电气设备有限公司 | Wireless LED lamp control circuit |
| CN104582203B (en) * | 2015-02-03 | 2019-09-20 | 深圳市中孚能电气设备有限公司 | A kind of wireless LED light control circuit |
| CN107071963A (en) * | 2017-02-06 | 2017-08-18 | 大连佳沅电子科技有限公司 | Extra exit lighting circuit |
| CN107567143A (en) * | 2017-09-25 | 2018-01-09 | 深圳市博远交通设施有限公司 | A kind of guardrail anticollision device, collision-prevention device for having hypervelocity concurrently and warning and illuminating |
| CN107567143B (en) * | 2017-09-25 | 2019-11-12 | 深圳市博远科技创新发展有限公司 | A kind of guardrail anticollision device, collision-prevention device for having both hypervelocity and warning and illuminating |
| CN112965552A (en) * | 2021-02-09 | 2021-06-15 | 杭州小电科技股份有限公司 | Portable power source leased equipment and control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20150720 |
|
| EXPY | Termination of patent right or utility model |