CN2840474Y - Electric power supply device for mobile electronic products - Google Patents
Electric power supply device for mobile electronic products Download PDFInfo
- Publication number
- CN2840474Y CN2840474Y CN 200520133723 CN200520133723U CN2840474Y CN 2840474 Y CN2840474 Y CN 2840474Y CN 200520133723 CN200520133723 CN 200520133723 CN 200520133723 U CN200520133723 U CN 200520133723U CN 2840474 Y CN2840474 Y CN 2840474Y
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- Prior art keywords
- mobile electronic
- electronic product
- power supply
- voltage
- supply device
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Abstract
The utility model relates to a power supplying device for mobile electronic products, which is provided with different adapting joints which can be replaced and can cooperate with various mobile electronic products which are provided with different input interfaces. A voltage switching circuit in the power supplying device is provided with an output voltage selecting circuit which can select the value of an output voltage, and a plurality of resistors are connected in parallel so as to change the value of the output DC voltage. The utility model utilizes the arrangement of terminals on the different adapting joints to determine the output voltage of the different adapting joints so as to meet the need for an input voltage of the mobile electronic products which are provided with different input interfaces.
Description
[technical field]
The utility model relates to a kind of power supply device of mobile electronic product, refers to a kind of power supply device of the different electrical power input interface applicable to multiple mobile electronic product especially.
[background technology]
Along with the universalness of mobile electronic product, mobile phone, personal digital assistant (PersonalDigital Assistant, PDA) and digital music player (as Apple iPod, MP3 Player etc.) become the electronic installation that the modern carries.These mobile electronic products further satisfy the demand of consumer to amusement except the purpose of reaching mobile communication and data storing.Have rechargeable battery repeatedly in above-mentioned these mobile electronic products are many, when the rechargeable battery power drain, the power supply unit that can utilize this mobile electronic product to arrange in pairs or groups connects AC outlet (as indoor 110V/220V supply socket) or direct current jack (as automobile cigarette lighter 12V), so that this rechargeable battery is charged.
Both be mobile electronic product, as its name suggests, must have often carried use by the user.Sometimes when the rechargeable battery power drain of this mobile electronic product, can run into unavoidably and be inconvenient to connect the situation that AC outlet or direct current jack charge or power.Therefore, be necessary to provide a kind of portable power supply device that can power or its rechargeable battery is charged mobile electronic product.
In the prior art, the power supply unit that utilizes the electric power of the convertible commercially available dry cell that can obtain easily that mobile electronic product is powered or charged, it has specific power output interface and can power or charge specific mobile electronic product.In this type of power supply unit, can insert dry cell after, connect to need the mobile electronic product of power supply or charging, can power or charge mobile electronic product.
Yet existing power supply unit only can be powered or charges specific mobile electronic product, that is to say that its hardware connecting interface and output voltage only can be applicable to specific mobile electronic product.When the user has a plurality of mobile electronic product that possesses different hardware connecting interface or input voltage simultaneously, just must purchase a plurality of portable power supply devices that are applicable to different mobile electronic products.Thus, not only the user must expend a large amount of money costs and removes to buy a plurality of different portable power supply devices, and can cause the inconvenience of carrying.
Therefore, be necessary to provide a kind of various different mobile electronic products that connect, and have a universal portable power supply device of variable output voltage, to satisfy the demand that the single power supply supply can be powered or its rechargeable battery is charged different mobile electronic products.
[utility model content]
Main purpose of the present utility model is to provide a kind of power supply device of mobile electronic product, particularly a kind of power supply device of the different electrical power input interface applicable to multiple mobile electronic product.
The purpose of this utility model is achieved through the following technical solutions: a kind of power supply device of mobile electronic product, it comprises that a housing is in order to accommodate inner each parts and to form the mating interface that can be fit to various different mobile electronic products.This housing top is formed with a groove and can inserts for the adapter that is applicable to various different electronic products.This housing below is provided with a battery cover, and this battery cover can separate to insert battery with housing.Be formed with a docking part in this groove in order to cooperate the adapter of various different mobile electronic products.Being provided with several terminal accommodating portions in this docking section reaches in order to the butt joint terminal of accommodating adapter and with it and electrically conducts.Respectively has different output interfaces in order to connect different mobile electronic products on the different adapters.Each adapter bottom is formed with a groove in order to the docking section in the case.Being provided with several terminals in the groove of adapter bottom electrically conducts in order to insert the terminal accommodating portion in the docking section and to reach with it.
The power supply device of this mobile electronic product comprises that a direct current voltage conversion circuit becomes the required voltage of mobile electronic product in order to the voltage transitions with battery output.This DC voltage converting circuit comprises that a voltage conversion unit can be converted to the cell voltage of being imported required stable DC voltage.This DC voltage converting circuit also comprises output voltage selection circuit, a current-limiting protection circuit, a low-voltage indicating circuit and a revers voltage protective circuit.This output voltage selects circuit to have the different parts of several resistance values, exports the direct voltage size of mobile electronic product in order to decision.The electric current that this current-limiting protection circuit is exported in order to the restriction DC voltage converting circuit can not damage power supply device because of the excessive mobile electronic product that causes of output current.This low-voltage indicating circuit has a light-emitting diode, and caution can be provided when battery electric quantity is on the low side.This revers voltage protective circuit utilizes an avalanche diode (ZenerDiode) that voltage protection is provided, and makes output voltage can not feed back the running that influences DC voltage converting circuit.
The utility model mobile electronic product power supply device has interchangeable different adapter, the mobile electronic product that can cooperate various different input interfaces, and in the voltage conversion circuit of this power supply device, have the output voltage that to select output voltage values and select circuit, utilize parts to change the direct voltage size of output with different resistance values.In addition, the mobile electronic product power supply device also can determine the output voltage of different adapters by the terminal deploying on the different adapters, thereby can satisfy the needed input voltage of mobile electronic product of different input interfaces.
[description of drawings]
Fig. 1 is the stereoscopic figure of the power supply device of the utility model mobile electronic product.
Fig. 2 is the vertical view of the power supply device of the utility model mobile electronic product.
Fig. 3 is the upward view of the power supply device of the utility model mobile electronic product.
Fig. 4 A to Fig. 4 C is the stereoscopic figure of each adapter.
Fig. 4 D to Fig. 4 F is the corresponding upward view of each adapter.
Fig. 5 is the voltage conversion circuit figure of the power supply device of the utility model mobile electronic product.
[embodiment]
See also Fig. 1, Fig. 1 is the schematic perspective view of the power supply device 10 of the utility model mobile electronic product.Power supply device 10 has a housing 12 in order to accommodate inner each parts and to form the mating interface that can be fit to various different mobile electronic products.Power supply device 10 tops are formed with a groove 20 can insert for the adapter that is applicable to various different electronic products, to supply the power supply of various different required by electronic product.Housing 12 sidepieces are provided with an Elastic buckle 30, fasten this adapter in the time of can inserting at the adapter of butt joint and get loose to avoid adapter.As the adapter removal then can being stirred Elastic buckle 30 downwards, can remove the button of 30 pairs of adapters of Elastic buckle and hold, and adapter is upwards extracted.Housing 12 belows are provided with a battery cover 40, and battery cover 40 can separate with housing 12 to insert battery among this mobile electronic product power supply device 10.In this embodiment, the battery that mobile electronic product power supply device 10 is adopted is two No. 3 dry cells (UM-3/R6C/AA dry cell), these two batteries provide electric power by series system, the utility model mobile electronic product power supply device 10 also can adopt the battery of other specification, only the hardware appearance structure need be made an amendment slightly to get final product.
See also Fig. 1 and Fig. 2, Fig. 2 is the vertical view of the utility model mobile electronic product power supply device 10.Be formed with a docking part 22 in this groove 20 in order to cooperate the adapter of various different mobile electronic products.Being provided with several terminal accommodating portions 24 in the docking section 22 reaches in order to the butt joint terminal of accommodating adapter and with it and electrically conducts.Docking section 22 is provided with fool proof projection 26 simultaneously in order to prevent that adapter from being inserted in the groove 20 with the opposite way round.The foolproof function that this fool proof projection is reached also can be provided with the fool proof guide groove or be designed to modes such as asymmetric shape and realize.
See also Fig. 3, Fig. 3 is the upward view of the utility model mobile electronic product power supply device 10.One end of battery cover 40 is provided with a buckle piece 42 in order to fasten with housing 12, in the time will opening battery cover 40, buckle piece 42 is stirred towards battery cover 40 lid directions, battery cover 40 can be started.
See also Fig. 4 A to Fig. 4 F, Fig. 4 A to Fig. 4 C is the stereoscopic figure of the different adapters of the utility model mobile electronic product power supply device 10, and Fig. 4 D to Fig. 4 F then is the corresponding upward view of each adapter.Mobile electronic product power supply device 10 is applicable to various mobile electronic product, because different its power input interfaces of mobile electronic product is not quite similar, so need to utilize adapter and corresponding mobile electronic product to connect with different output interfaces.Can find out that by Fig. 4 A to Fig. 4 C adapter 52,54 and 56 respectively has different output interface 520,540 and 560 in order to connect different mobile electronic products.Adapter 52,54 and 56 bottom respectively are formed with a groove 526,546 and 566 in order to the docking section in the case 12 22.Respectively being provided with several terminals 524,544 and 564 in the groove 526,546 and 566 electrically conducts in order to insert the terminal accommodating portion 24 in the docking section 22 and to reach with it. Adapter 52,54 all has identical architectural feature with 56 groove 526,546 and 566, in order to dock with the terminal accommodating portion 24 in the docking section 22.In addition, adapter 52,54 and 56 side are respectively equipped with a shrinkage pool 522,542 and 562, shrinkage pool 522,542 can cooperate with Elastic buckle 30 with 562, when each adapter inserts in groove 20, Elastic buckle 30 can detain hold shrinkage pool 522,542 or 562 so that adapter 52,54 or 56 be immobilizated among the groove 20; Otherwise, when Elastic buckle 30 is stirred downwards, then can remove the button of 30 pairs of adapters of Elastic buckle and hold, and adapter can upwards be extracted.Respectively be provided with the fool proof guide groove 528,548 and 568 that matches with the fool proof projection 26 of docking section 22 in groove 526,546 and 566, available in case spline joint is inserted with the direction of mistake in the groove 20 on the housing 12.Similarly, as long as this fool proof guide groove 528,548 and 568 can cooperate the design of fool proof projection 26, also can other form realize.Therefore, the power supply device 10 of the utility model mobile electronic product only need be replaced the power input interface that different adapters can be fit to various mobile electronic product.
See also Fig. 5, Fig. 5 is the voltage conversion circuit figure of the power supply device 10 of the utility model mobile electronic product.Mobile electronic product power supply device 10 comprises a direct current voltage conversion circuit 80, becomes the required voltage of mobile electronic product in order to the voltage transitions with battery output.This power supply device 10 utilizes two No. 3 dry cells series connection to be used as the power supply source, and this DC voltage converting circuit 80 also adopts the situation of this embodiment to be illustrated.Please note that the utility model mobile electronic product power supply device 10 also can adopt the battery of other specification to be used as power supply source, only need substitute that employed associated components gets final product in DC voltage converting circuit.DC voltage converting circuit 80 comprises a voltage conversion unit 810, it is an integrated circuit (Integrated Circuit, IC), in this embodiment the voltage conversion unit that is adopted be the direct current of Anachip company (Anachip Corp.) manufacturing to the direct voltage conversion IC, IC is numbered AP1624.This voltage conversion unit 810 can be converted to the cell voltage of being imported required stable DC voltage.DC voltage converting circuit 80 also comprises output voltage selection circuit 82, a current-limiting protection circuit 84, a low-voltage indicating circuit 86 and a revers voltage protective circuit 88.Output voltage selects circuit 82 to have four resistance R 3, R4, R5 and R6 with different resistance values, can desire to export to the direct voltage size of mobile electronic product in order to decision.The stable DC voltage of being exported from voltage conversion unit 810 via after resistance R 1 and the R2 dividing potential drop, selects one of them voltage of R3, R4, R5 or R6 to select circuit and Vout-interface to form electric connection exports mobile electronic product to decision direct voltage size earlier again.
Because the different required input voltage difference of mobile electronic product, single output voltage can't satisfy the demand of the various mobile electronic products of supply, so the utility model mobile electronic product power supply device 10 promptly utilizes different adapters and output voltage to select the collocation of circuit 82 to decide the direct voltage size of being exported.For instance, when V1 interface and Vout-interface formation short circuit, total equivalent resistance that output voltage selects circuit 82 to be presented can change thereupon, and select the received feedback voltage value of FB interface of circuit 82 also can change at output voltage, can determine the direct voltage size that the Vout+ interface is exported mobile electronic product.In like manner, because the resistance value of R3, R4, R5 and R6 has nothing in common with each other, when other interfaces such as V2 to V4 during with Vout-interface formation short circuit, the FB interface can receive different separately feedback voltage values, so can change the direct voltage size that the Vout+ interface is exported.The Vout-interface must electrically connect with what person among the V1 to V4 then can do deploying by several terminals in the adapter: for example, if need first kind of voltage of output, then several terminals in this adapter make V1 interface and Vout-interface be electric connection; In like manner, if need second kind of voltage of output, then several terminals in this adapter make V2 interface and Vout-interface be electric connection, and the rest may be inferred.In addition, if need to increase different output voltage values, only output voltage must be selected in the circuit 82 institute's parallel resistor to increase and get final product, and need not revise significantly DC voltage converting circuit 80.In the utility model mobile electronic product power supply device 10, this output voltage selects several resistance in the circuit to replace by other parts that can realize identical characteristics, as electric capacity, inductance, or even the transistor etc. that can realize changing resistance value initiatively or passive device.
Because the rated power of general mobile electronic product is lower, so its input current is limited to below one ampere more.Current-limiting protection circuit 84 has a bipolar junction transistor (BipolarJunction Transistor; BJT) electric current of being exported in order to restriction DC voltage converting circuit 80; the electric current that 10 pairs of mobile electronic products of power supply device are exported can not avoided because the excessive mobile electronic product that causes of output current damages greater than 1 ampere.Because the specified input current of general mobile electronic product is all less than 1 ampere, mobile electronic product is unlikely to be subjected to excessive electric current and to damage so current-limiting protection circuit 84 can effectively be protected.Low-voltage indicating circuit 86 has a light-emitting diode, and caution can be provided when battery electric quantity is on the low side.Revers voltage protective circuit 88 utilizes an avalanche diode (Zener Diode) that voltage protection is provided, and makes the output voltage of Vout+ interface can not feed back the running that influences DC voltage converting circuit 80.
Aspect hardware configuration, the utility model mobile electronic product power supply device 10 has interchangeable different adapter, can cooperate the mobile electronic product of various different input interfaces.And aspect output voltage, have the output voltage that can select output voltage values in the voltage conversion circuit of this power supply device to select circuit, utilize a plurality of resistance in parallel to change the direct voltage size of output.Power supply device can determine the output voltage of different adapters, thereby can satisfy the needed input voltage of mobile electronic product of different input interfaces by the terminal deploying on different adapters.On the other hand; this power supply device still has low-voltage indicating circuit and current-limiting protection circuit; the low-voltage indicating circuit can provide the caution of battery electric quantity deficiency, and current-limiting protection circuit then can be protected mobile electronic product, makes it can not cause damage because of excessive output current.
Compared with prior art, the utility model mobile electronic product power supply device is not But can be by changing different adapters adapting to the input interface of different mobile electronic products, and Utilize output voltage to select circuit to decide the DC voltage size of exporting, with for difference Mobile electronic product provides different output voltages. Therefore the user only need choose in use Be applicable to the conversion head of this mobile electronic product, can power to this mobile electronic product, Or the rechargeable battery in this mobile electronic product charged, and use this practicality When novel mobile electronic product power supply device is powered to mobile electronic product, should Mobile electronic product still can normally use. So mobile electronic product power supply of the present utility model supplies Should install when mobile electronic product can't the gang socket power supply, can be by general commercially available electricity The pond provides the electric power of this mobile electronic product, and need not be for different mobile electronic products Purchase or carry a plurality of power supply devices.
Claims (11)
1. the power supply device of a mobile electronic product, it is characterized in that: this power supply device comprises the housing that is formed with first docking section that can accommodate battery and have several the first terminals, the DC voltage converting circuit that comprises voltage conversion unit and output voltage selection circuit, and be formed with switching part in order to second docking section that connects with this first docking section, wherein said output voltage selects circuit to comprise several passive devices, this passive device is selected in order to determine the VD of this DC voltage converting circuit, described second docking section has several second terminals in order to dock with this first terminal, and described switching part can connect or separate with the different mobile electronic product of arranging in pairs or groups with this housing.
2. the power supply device of mobile electronic product as claimed in claim 1, it is characterized in that: described several passive devices are several resistance.
3. the power supply device of mobile electronic product as claimed in claim 2, it is characterized in that: described several resistance are adopted parallel way and are connected, and has different resistance values respectively, each resistance connects the voltage output end of a correspondence respectively, and the corresponding voltage output that different resistance connected can be connected with an earth terminal to determine this output voltage to select the equivalent resistance of circuit.
4. the power supply device of mobile electronic product as claimed in claim 1 is characterized in that: this DC voltage converting circuit comprises that also a current-limiting protection circuit influences the running of DC voltage converting circuit in order to the electric weight and a revers voltage protective circuit of indicating this battery in order to avoid reverse voltage less than specified input current, a low-voltage indicating circuit of this mobile electronic product in order to the restriction output current.
5. the power supply device of mobile electronic product as claimed in claim 4, it is characterized in that: this low-voltage indicating circuit comprises a light-emitting diode, when battery electric quantity is not enough in order to alarm signal to be provided.
6. the power supply device of mobile electronic product as claimed in claim 4, it is characterized in that: this revers voltage protective circuit comprises an avalanche diode.
7. the power supply device of mobile electronic product as claimed in claim 1, it is characterized in that: this power supply device also comprises a battery cover, in order to cover the battery that is contained in this housing, this battery cover is provided with a buckle piece in order to fasten this housing.
8. the power supply device of mobile electronic product as claimed in claim 1, it is characterized in that: this is provided with an Elastic buckle this housing, in order to fasten the switching part that is inserted, be formed with a block button hole on this switching part and reach fixing in order to cooperate this Elastic buckle.
9. the power supply device of mobile electronic product as claimed in claim 1 is characterized in that: be equipped with corresponding error-proof structure on this first docking section and second docking section, combined by the direction with mistake with second docking section in order to avoid first docking section.
10. the power supply device of mobile electronic product as claimed in claim 1, it is characterized in that: this battery is two No. three dry cells, these two No. three dry cells connect so that electric power to be provided by series system.
11. the power supply device of mobile electronic product as claimed in claim 1, it is characterized in that: also be formed with one the 3rd docking section on this switching part in order to connect with the corresponding mobile electronic product, the 3rd docking section has several the 3rd terminals and docks in order to the power input terminal with the corresponding mobile electronic product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520133723 CN2840474Y (en) | 2005-10-12 | 2005-10-12 | Electric power supply device for mobile electronic products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520133723 CN2840474Y (en) | 2005-10-12 | 2005-10-12 | Electric power supply device for mobile electronic products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2840474Y true CN2840474Y (en) | 2006-11-22 |
Family
ID=37428446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520133723 Expired - Fee Related CN2840474Y (en) | 2005-10-12 | 2005-10-12 | Electric power supply device for mobile electronic products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2840474Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011047605A1 (en) * | 2009-10-20 | 2011-04-28 | 华为技术有限公司 | Power supply device |
| CN103001261A (en) * | 2011-09-08 | 2013-03-27 | 硕天科技股份有限公司 | Universal charger with USB (universal serial bus) |
-
2005
- 2005-10-12 CN CN 200520133723 patent/CN2840474Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011047605A1 (en) * | 2009-10-20 | 2011-04-28 | 华为技术有限公司 | Power supply device |
| CN103001261A (en) * | 2011-09-08 | 2013-03-27 | 硕天科技股份有限公司 | Universal charger with USB (universal serial bus) |
| CN103001261B (en) * | 2011-09-08 | 2015-05-20 | 宁远县硕宁电子有限公司 | Universal charger with USB (universal serial bus) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANYU INDUSTRY CO., LTD. Free format text: FORMER OWNER: JINQIAO SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20080509 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080509 Address after: Lane 8, Lane 130, 5 lane, Minquan Road, Taiwan County, Taipei, china: Patentee after: Formosa Electronic Industries Inc. Address before: No. 6, Lane 3, No. 270, Lane three, north deep road, Taipei, Taiwan: Patentee before: Golden Bridge Electech Inc. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Tianyu Communications Technology (Kunshan) Co., Ltd. Assignor: Formosa Electronic Industries Inc. Contract fulfillment period: 2008.10.10 to 2014.10.9 Contract record no.: 2009990000301 Denomination of utility model: Electric power supply device for mobile electronic products Granted publication date: 20061122 License type: Exclusive license Record date: 20090413 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.10.10 TO 2014.10.9; CHANGE OF CONTRACT Name of requester: TIANYU COMMUNICATION TECHNOLOGY (KUNSHAN) CO., LTD Effective date: 20090413 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061122 Termination date: 20091112 |