CN201435617Y - Movable standby power source - Google Patents
Movable standby power source Download PDFInfo
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- CN201435617Y CN201435617Y CN2009201331044U CN200920133104U CN201435617Y CN 201435617 Y CN201435617 Y CN 201435617Y CN 2009201331044 U CN2009201331044 U CN 2009201331044U CN 200920133104 U CN200920133104 U CN 200920133104U CN 201435617 Y CN201435617 Y CN 201435617Y
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- 230000000087 stabilizing Effects 0.000 claims description 17
- 239000011257 shell materials Substances 0.000 claims description 10
- 230000001131 transforming Effects 0.000 claims description 3
- 238000006243 chemical reactions Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagrams Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound 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Abstract
Description
Technical field
The utility model discloses a kind of back-up source, particularly a kind of high-power removable back-up source.
Background technology
Along with the application of consumer electronics product in people's daily life is more and more, as: notebook computer, MP3, MP4, mobile phone, digital camera, DV etc., consumer electronics product have become an indispensable part in people's life.Increasing along with consumer electronics product, the thing followed has just produced a problem, consumer electronics product of the prior art is to adopt lithium battery to power mostly, inevitably can produce when using half, and lithium battery does not have the situation of electricity suddenly.Though various electronic products generally all can be equipped with a charger, but, because each electronic product required voltage height is different, and the power interface of various electronic products also is not quite similar, so, can not accomplish the general of charger, go on business, travel if carry a plurality of electronic products, will carry a plurality of chargers simultaneously, cause a lot of inconvenience.Simultaneously, present consumer electronics product charger all only has voltage transitions and charge function, is not having the situation of external power supply, and it is powerless just to seem.
Summary of the invention
At the above-mentioned electronic product supply power voltage difference of mentioning of the prior art, and charging inlet is also inequality, charging can not be general shortcoming, the utility model provides a kind of new back-up source, it is connected with a plurality of different types of power output interfaces on power supply output line, simultaneously, cooperate the power supply of inner power-switching circuit control output multiple voltage to be used for to different electronic product power supplies, extremely easy to use.
Simultaneously, the utility model has also solved electronic product charger of the prior art can only have the shortcoming of using under the situation of external power supply, and the utility model is provided with+the 18V battery in the enclosure, can power to electronic product not having under the situation of external power supply.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of removable back-up source, comprise shell, power output interface and power-switching circuit, the power-switching circuit setting in the enclosure, power output interface is connected on the shell, is connected with out splice going splices different more than two on the power output interface.
The technical scheme that its technical problem that solves the utility model adopts further comprises:
Described power-switching circuit comprises rectification unit, Power Management Unit, Charge Management unit, output unit, the rectification unit input is connected with external power supply, rectification unit is exported to Power Management Unit, be divided into two-way after the signal of telecommunication transformation of Power Management Unit to the rectification unit input, one the tunnel directly exports, another road inputs to the Charge Management unit battery in the Charge Management unit is charged, be connected with output unit on the battery and carry out power supply output, be connected with power output interface on the output unit.
Described output unit adopts battery and the power output interface that directly connects in the Charge Management unit, perhaps battery in the Charge Management unit and power output interface are connected with the voltage stabilizing chip more than a group, by the step-down of voltage stabilizing chip realize power output interface output 3.3V, 5V ,-in 5V, 9V, the 12V voltage one or more, the perhaps battery demultiplexing in the Charge Management unit, one the tunnel directly is connected with power output interface, other be connected with the voltage stabilizing chip respectively, after the step-down of voltage stabilizing chip, export by power output interface again.
The electrical signal conversion that described Power Management Unit is imported rectification unit becomes 19V directly to export or inputs to the Charge Management unit.
Described Charge Management is connected with charging indicator light on the unit.
Be in series with change over switch between battery in the described Charge Management unit and the voltage stabilizing chip.
Described shell is provided with power input interface, is fitted with the electric power connection line that can dismantle on the power input interface.
The beneficial effects of the utility model are: the utility model is simple in structure, practical, it adopts a plurality of different power output interfaces to power to different electronic products, simultaneously, the utility model inside also is provided with battery, do not having under the situation of external power supply, can utilize inner battery to power and bring great convenience to use.
Below in conjunction with the drawings and specific embodiments the utility model is described further.
Description of drawings
Fig. 1 faces structural representation for the utility model.
Fig. 2 is the utility model side-looking structural representation.
Fig. 3 is the utility model circuit structure block diagram.
Fig. 4 is the utility model main power source partial circuit schematic diagram.
Fig. 5 is the utility model power supply output circuit theory diagrams.
Among the figure, 1-shell, 2-power input interface, 3-electric wire, 4-first out splice going splice, 5-second out splice going splice, 6-the 3rd out splice going splice.
Embodiment
Present embodiment is the utility model preferred implementation, and other all its principles are identical with present embodiment or approximate with basic structure, all within the utility model protection range.
Please referring to accompanying drawing 1 and accompanying drawing 2, the utility model mainly comprises shell 1 and is arranged on the power-switching circuit of enclosure, in the present embodiment, shell 1 side is provided with power input interface 2, be fitted with electric power connection line (not drawing among the figure) on the power input interface 2, can be connected with external 220V power supply by electric power connection line, to the utility model power supply, power input interface 2 is connected with the power input of power-switching circuit.Be connected with electric wire 3 on the shell 1, in the present embodiment, be connected with three out splice going splices on electric wire 3 free ends, be respectively first out splice going splice 4, second out splice going splice 5 and the 3rd out splice going splice 6, during concrete enforcement, can connect two or more out splice going splices according to actual needs, out splice going splice can be standard USB joint, or be mini USB joint, or be the laptop joint, or be other common power connections, can set according to actual needs, can power to different electronic equipments by different out splice going splices.
Please referring to accompanying drawing 3, circuit of the present utility model mainly comprises rectification unit, Power Management Unit, Charge Management unit and output unit, the rectification unit input is connected with external power supply, promptly be electrically connected with power input interface 2, rectification unit carries out external AC to export to Power Management Unit after the rectification, be divided into two-way after the signal of telecommunication transformation of Power Management Unit to the rectification unit input, one the tunnel directly exports, another road inputs to the Charge Management unit battery in the Charge Management unit is charged, be connected with output unit on the battery and carry out power supply output, output unit is electrically connected with power output interface.
Please referring to accompanying drawing 4, Fig. 4 is a kind of execution mode of the utility model, when specifically implementing, also can adopt same components and parts or functional circuit to replace, after the 220V power supply was imported by power interface, the input rectifying bridge carried out rectification after inductance L 204 is carried out filtering, is connected with protective tube F01 on the power firestreak.Elementary main coil one end through the power supply input transformer T1 after the rectifier bridge rectification, the elementary main coil other end of transformer T1 is connected the drain electrode of field effect transistor Q01, the source electrode of field effect transistor Q01 is by resistance R 06 ground connection, the grid of field effect transistor Q01 is connected on the 6th pin (being field effect management and control system output pin) of power management chip U1, the 7th pin of power management chip U1 (being the power supply input pin) is connected on the elementary secondary coil of transformer T1, in the present embodiment, the size of the voltage of the secondary coil output by power management chip U1 control transformer T1 realizes the supply voltage management.Capacitor C 5 and resistance R 15 are connected in series, diode D4 and diode D6 are connected in parallel, capacitor C 5 that is connected in series and resistance R 15 again with diode D4 that is connected in parallel and the diode D6 formation rectification circuit that is connected in parallel, the out-put supply of transformer T1 is rectified into direct current.Direct current after rectification is divided into two-way, and one the tunnel directly exports through diode D14, and another road inputs to the Charge Management unit, and in the present embodiment, the direct current after rectification is+19V, so, can directly export powerful+18V direct current and power to electronic product.Please referring to accompanying drawing 5, the Charge Management unit adopts special-purpose charging management chip U2 in the present embodiment, Power Management Unit input+the 19V direct current is connected on the source electrode of field effect transistor Q03, the drain electrode of field effect transistor Q03 is connected with the positive pole of battery BATT1, give battery BATT1 charging, the grid of field effect transistor Q03 is connected on the switching circuit, the control end of switching circuit is connected on the PWM end of charging management chip U2, break-make by charging management chip U2 control switch circuit, thereby whether control battery BATT1 charges, in the present embodiment, switching circuit has triode Q04, triode Q5 and triode Q06 form.Resistance R 20 and resistance R 21 are formed bleeder circuit, resistance R 20 is connected with battery BATT1, resistance R 21 ground connection, the common port of resistance R 20 and resistance R 21 is connected with the VBAT of charging management chip U2 end, be used for detecting battery BATT1 voltage, to judge battery electric quantity, be connected with LED 1 and LED 2 on the charging management chip U2, as the charging indication.Above-mentioned is battery charger, when battery BATT1 exports as power supply, in the present embodiment, provides three output channels, and first passage is high-power passage, and external providing+18V power supply is provided the anodal directly output of battery BATT1; Second channel and third channel are the small-power passage, in the second channel, battery BATT1 positive pole is connected the input of voltage stabilizing chip U4, and in the present embodiment, voltage stabilizing chip U4 adopts 7805, battery BATT1 is external providing+5V power supply after by voltage stabilizing chip U4 step-down, in the third channel, battery BATT1 positive pole is connected the input of voltage stabilizing chip U5, in the present embodiment, voltage stabilizing chip U5 adopts 7812, and battery BATT1 is external providing+12 V power supplys after by voltage stabilizing chip U5 step-down.Above-mentionedly when specifically implementing, also can provide+the 3.3V power supply for the external world by the BA033 chip for enumerating the voltage stabilizing chip of three kinds of concrete voltages in the present embodiment, or by 7905 for external providing-5V power supply etc.Output channel is electrically connected with corresponding out splice going splice respectively.In the present embodiment, be connected in series with switch SW 1 between small-power passage and the battery BATT1 positive pole, can realize the switching of the utility model between high-power output and small-power output by waved switch SW1.
The utility model is provided with a plurality of out splice going splices, can power to different electronic products, and easy to use, the utility model inside also is provided with battery, is not having under the situation of external power supply, can utilize battery to continue to power to electronic product.Simultaneously, the utility model also is provided with high-power passage, and the large power supply of 15-30W can externally be provided.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201331044U CN201435617Y (en) | 2009-06-22 | 2009-06-22 | Movable standby power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201331044U CN201435617Y (en) | 2009-06-22 | 2009-06-22 | Movable standby power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201435617Y true CN201435617Y (en) | 2010-03-31 |
Family
ID=42054430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201331044U CN201435617Y (en) | 2009-06-22 | 2009-06-22 | Movable standby power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201435617Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255371A (en) * | 2010-05-19 | 2011-11-23 | 鸿富锦精密工业（深圳）有限公司 | Power system of electronic device |
| CN102377231A (en) * | 2010-08-24 | 2012-03-14 | 无锡爱睿芯电子有限公司 | Switch power supply module |
| CN104516380A (en) * | 2013-09-26 | 2015-04-15 | 深圳市海洋王照明工程有限公司 | Wireless remote control and multi-way output voltage circuit |
| CN104519612A (en) * | 2013-09-26 | 2015-04-15 | 深圳市海洋王照明工程有限公司 | Wireless remote control light fixture apparatus |
| CN111146856A (en) * | 2020-01-19 | 2020-05-12 | 象山侧风电子技术有限公司 | Power supply device capable of switching between large power and small power |
-
2009
- 2009-06-22 CN CN2009201331044U patent/CN201435617Y/en not_active IP Right Cessation
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255371A (en) * | 2010-05-19 | 2011-11-23 | 鸿富锦精密工业（深圳）有限公司 | Power system of electronic device |
| CN102377231A (en) * | 2010-08-24 | 2012-03-14 | 无锡爱睿芯电子有限公司 | Switch power supply module |
| CN102377231B (en) * | 2010-08-24 | 2015-02-25 | 无锡爱睿芯电子有限公司 | Switch power supply module |
| CN104516380A (en) * | 2013-09-26 | 2015-04-15 | 深圳市海洋王照明工程有限公司 | Wireless remote control and multi-way output voltage circuit |
| CN104519612A (en) * | 2013-09-26 | 2015-04-15 | 深圳市海洋王照明工程有限公司 | Wireless remote control light fixture apparatus |
| CN111146856A (en) * | 2020-01-19 | 2020-05-12 | 象山侧风电子技术有限公司 | Power supply device capable of switching between large power and small power |
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