CN204992627U - Portable power source with miniature charging cable of OTG - Google Patents
Portable power source with miniature charging cable of OTG Download PDFInfo
- Publication number
- CN204992627U CN204992627U CN201520355516.8U CN201520355516U CN204992627U CN 204992627 U CN204992627 U CN 204992627U CN 201520355516 U CN201520355516 U CN 201520355516U CN 204992627 U CN204992627 U CN 204992627U
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- China
- Prior art keywords
- power source
- otg
- portable power
- charging cable
- usb
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Abstract
The utility model relates to a portable power source with miniature charging cable of OTG, a serial communication port, include: miniature charging cable, first end are equipped with public mouthful of micro -USB, and micro -USB even has OTG discernment wiring with the OTG mode for public mouthful, the second end is equipped with data pin for link to each other with digital product, the portable power source body, its lateral wall is equipped with the recess for hold miniature charging cable, still be equipped with female mouthful micro -USB on the portable power source body for get into charge mode or discharge mode. The utility model discloses create the thickness that has effectively reduced portable power source, make the charging cable can imbed the recess on the portable power source body simultaneously, made things convenient for carrying and depositing of data cables greatly, still can be used for carrying on charge mode for female mouthful and can also be used for discharge mode through setting up the OTG discernment wiring on the charging cable and setting up micro -USB on portable power source body inside OTG discernment return circuit makes the portable power source body.
Description
Technical field
The utility model is created and is related to portable power source technical field, particularly relates to a kind of portable power source with the miniature charging cable of OTG.
Background technology
Portable power source integrates power supply and the portable charger charged, and along with widely using of the portable electric appts such as mobile phone, flat board, digital camera, card reader and portable hard drive, the demand of user to Multifunctional portable power source increases rapidly.
Existing portable power source mostly adopts and is arranged on the female mouth of side USB-A and is connected with charging cable and charges to digital products such as mobile phones, but this kind of design can retrain the design of portable power source thickness; Secondly, existing charging cable is mostly with the public mouth of USB, and this is not be easy to carry very much.
The micro-USB of existing portable power source can only be used for charge mode, and does not support discharge mode; And when adopting USB-B to carry out electric power output, may cause multinomial driving (multipledrive), there is certain potential safety hazard in multinomial driving, is the potential cause causing portable power source, 5V adapter, damage.
utility model creates content
The feature and advantage that the utility model is created partly are stated in the following description, or can be apparent from this description, or learn by putting into practice the utility model to create.
For overcoming the problem of prior art, the utility model is created and is provided a kind of portable power source with the miniature charging cable of OTG, OTG is identified wiring and the public mouth of micro-USB are arranged in miniature charging cable, groove is set at the sidewall of portable power source body simultaneously, for holding this miniature charging cable, thus reduce the thickness of whole portable power source, make data wire be more convenient for carrying simultaneously, be not easy to lose.
The utility model is created and is provided a kind of portable power source with the miniature charging cable of OTG, it is characterized in that, comprising: miniature charging cable, and first end is provided with the public mouth of micro-USB, and the public mouth of this micro-USB is connected with OTG with OTG pattern and identifies wiring; Second end is provided with data pin, for being connected with digital product; Portable power source body, its sidewall is provided with groove, for holding this miniature charging cable; This portable power source body is also provided with the female mouth of micro-USB, for entering charge mode or discharge mode.
According to the embodiment that the utility model is created, this data pin is the public mouth of micro-USB or lightning interface.
According to the embodiment that the utility model is created, this OTG identifies the grounding pin of wiring and this data pin or is connected with this OTG and identifies that the grounding pin of the micro-USB public affairs mouth of wiring is connected, for confirming this OTG pattern; Just enter discharge mode when portable power source body recognizes when described OTG identifies wiring, now by being provided with this OTG, electricity identifies that the public mouth of the micro-USB of wiring is carried to this data pin.
According to the embodiment that the utility model is created, this portable power source body also comprises OTG and identifies loop, for realizing the switching of charge mode or discharge mode.
According to the embodiment that the utility model is created, also comprise terminal resistance loop, be arranged on this portable power source body micro-USB female mouth Bing Real Now on a printed circuit, this terminal resistance loop, with control switch, is operating state for making described terminal resistance loop in this discharge mode.
According to the embodiment that the utility model is created, this terminal resistance loop recognizes when this OTG identifies wiring at this portable power source body and just starts.
According to the embodiment that the utility model is created, also comprise terminal resistance loop, be arranged in this miniature charging cable.
According to the embodiment that the utility model is created, this terminal resistance loop comprises: the first resistance, and one end is connected with supply voltage, and the other end is connected with usb data pin DP; Second resistance, one end is connected with the other end of this first resistance, other end ground connection; 3rd resistance, one end is connected with supply voltage, and the other end is connected with usb data pin DM; 4th resistance, one end is connected with the other end of the 3rd resistance, other end ground connection.
According to the embodiment that the utility model is created, the resistance ratio of this first resistance and the second resistance is used for allowing this usb data pin DP point produce 2.5 to 3V bias voltage; The resistance ratio of the 3rd resistance and the 4th resistance is used for allowing this usb data pin DM point produce 1.8 to 2.2V bias voltage.
According to the embodiment that the utility model is created, the front of this portable power source body is also provided with dismountable flat board.
According to the embodiment that the utility model is created, the length of this miniature charging cable is equal with the length of the groove on this portable power source body.
By reading specification, those of ordinary skill in the art will understand the characteristic sum content of these technical schemes better.
Accompanying drawing explanation
Below by with reference to accompanying drawing and in conjunction with example describe particularly the utility model create, the advantage that the utility model is created and implementation will be more obvious, the wherein explanation explanation of content shown in accompanying drawing only for creating the utility model, and do not form the restriction of going up in all senses that the utility model is created, in the accompanying drawings:
Fig. 1 is the structural representation that the utility model creates the portable power source with the miniature charging cable of OTG of embodiment.
Fig. 2 is the structural representation that the utility model creates the portable power source body side of embodiment.
Fig. 3 is the structural representation that the utility model creates the portable power source body another side of embodiment.
Fig. 4 is the structural representation that the utility model creates the miniature charging cable of embodiment.
Fig. 5 is the internal circuit schematic diagram being applicable to the miniature charging cable of Android system that the utility model creates embodiment.
Fig. 6 is the internal circuit schematic diagram that the utility model creates the miniature charging cable of the IOS system that is applicable to of embodiment.
Fig. 7 is the schematic diagram being applied to the portable power source charge circuit in the terminal resistance loop of band control switch that the utility model creates embodiment.
Fig. 8 is the schematic diagram that the utility model creates the terminal resistance loop of the band control switch of embodiment.
Fig. 9 is the internal circuit schematic diagram being applicable to the miniature charging cable with terminal resistance loop of Android system that the utility model creates the second embodiment.
Figure 10 is the internal circuit schematic diagram that the utility model creates the miniature charging cable with terminal resistance loop of the IOS system that is applicable to of the second embodiment.
Embodiment
As shown in Figures 1 to 4, the utility model is created and is provided a kind of portable power source with the miniature charging cable of OTG, comprise: miniature charging cable 20, the first end of this charging cable is provided with the public mouth 21 of the public mouth 21, micro-USB of micro-USB and is connected with OTG identification wiring 23 with OTG pattern; Second end is provided with data pin 22, for being connected with digital product; Portable power source body 10, its sidewall is provided with groove 11, for holding miniature charging cable 20; Portable power source body is also provided with the female mouth 13 of micro-USB, for entering charge mode or discharge mode; In the present embodiment, the female mouth 13 of this micro-USB is positioned at the sidewall of portable power source body 10, this sidewall is not arranged groove 11.
In the present embodiment, data pin 22 is the public mouth of micro-USB, can be the chargings such as multiple digital product such as mobile phone, digital camera, panel computer; This data pin 22 can also use lightning interface, is the charging of apple related system product.
The length of the groove 11 on the length of this miniature charging cable 20 and portable power source body is roughly equal, the utility model creates the portable power source with the miniature charging cable of OTG provided, owing to adopting micro-USB, therefore this portable power source decreases 30% ~ 40% compared with adopting its thickness of plug in the portable power source of USB-A plug and micro-USB in prior art, makes the thickness of portable power source can lower than 9mm.
In order to miniature charging cable 20 can be contained in better in groove 11, multiple fixing hole can also be provided with by the bottom portion of groove on portable power source body; On miniature charging cable 20, be provided with multiple projection, for inserting the fixing hole of bottom portion of groove simultaneously.
In the present embodiment; the front of portable power source body 10 is also provided with dismountable dull and stereotyped 12; this flat board 12 adopts elastic material, and be such as carbon fibre materials, this material can provide anti-scratch function; thus protect product better; in addition, different patterns or color can also be set on dull and stereotyped 12, thus as the part that portable power source is decorated; so can change the flat board of different pattern or color, meet different aesthetic requirements.
In other embodiments, dismountable dull and stereotyped 12 can adopt other dissimilar elasticity or stiff material, as long as be applicable to the utility model product.
Please refer to Fig. 5, when data pin is micro-USB public affairs mouth, this miniature charging cable is applicable to and uses the public mouth of micro-USB to carry out the digital product charged, such as part is with the mobile phone etc. of Android system, now identifies that the power supply positive pin VDD of the public mouth of the micro-USB of wiring is connected with the positive pin VDD of power supply of the public mouth of micro-USB as data pin with OTG; Identify that the DP pin of the public mouth of the micro-USB of wiring is connected with the DP pin of the public mouth of micro-USB as data pin with OTG; Identify that the DM pin of the public mouth of the micro-USB of wiring is connected with the DM pin of the public mouth of micro-USB as data pin with OTG; Identify that grounding pin GND, OTG of the public mouth of the micro-USB of wiring identify that wiring ID is connected with the grounding pin GND of the public mouth of micro-USB as data pin with OTG.
Please refer to Fig. 6, when data pin is lightning interface, this miniature charging cable is applicable to and uses lightning interface to carry out the digital product charged, such as i Phone, ipad etc. use the digital product of IOS system, now identify that the power supply positive pin VDD of the public mouth of the micro-USB of wiring is connected with the positive pin VDD of the power supply of lightning interface with OTG; Identify that the public DP pin of mouth of the micro-USB of wiring is connected with the L0p pin of lightning interface with OTG; Identify that the public DM pin of mouth of the micro-USB of wiring is connected with the L0n pin of lightning interface with OTG; Identify that grounding pin GND, OTG of the public mouth of the micro-USB of wiring identify that wiring ID is connected with the grounding pin GND of lightning interface with OTG.
Visible, no matter data pin is micro-USB public affairs mouth or lightning interface, the public mouth of the micro-USB of wiring is identified at this OTG that is connected with being arranged in this miniature charging cable first end, this OTG identifies that wiring is all connected with grounding pin, this grounding pin can be the grounding pin of data pin or be connected with the grounding pin that this OTG identifies the public mouth of the micro-USB of wiring, for confirming this OTG pattern; Just enter discharge mode when portable power source body recognizes when described OTG identifies wiring ID ground connection, now, by being connected with this OTG, electricity identifies that the public mouth of the micro-USB of wiring is carried to this data pin.
Please refer to Fig. 7, in this portable power source body 10, be provided with lithium battery, the female mouth of micro-USB being arranged on portable power source body exterior identifies loop by OTG, battery charge circuit is connected with lithium battery; The female mouth of this micro-USB is also connected with lithium battery by switch, 5V supply circuit, and with OTG, this switch also identifies that loop is connected, this OTG identifies loop as seen, can realize the switching of charge mode or discharge mode.Certainly also can arrange the female mouth of USB-A in portable power source body exterior, this portable power source body exterior is only for electric discharge.
As shown in Figure 8, in this portable power source body 10, the female mouth of micro-USB is also provided with terminal resistance loop, this terminal resistance loop is with control switch 35,36, and this control switch 35,36 is closed in discharge mode, makes terminal resistance loop in discharge mode in operating state; This terminal resistance loop can be arranged on a printed circuit, and this terminal resistance loop recognizes when OTG identifies wiring ID ground connection at portable power source body and just starts.
Specifically, terminal resistance loop comprises: the first resistance 31, and one end is connected with supply voltage, and the other end is connected with usb data pin DP by control switch 35; Second resistance 32, one end is connected with the other end of the first resistance 31, other end ground connection: the 3rd resistance 33, and one end is connected with supply voltage, and the other end is connected with usb data pin DM by control switch 36; 4th resistance 34, one end is connected with the other end of the 3rd resistance 33, other end ground connection.
This terminal resistance loop is mainly used in the identification of IOS system to 2A charging device, in the present embodiment, the first resistance in this terminal resistance loop and the resistance ratio of the second resistance are used for allowing this usb data pin DP point produce 2.5 to 3V bias voltage, such as 2.8V; The resistance ratio of the 3rd resistance and the 4th resistance is used for allowing this usb data pin DM point produce 1.8 to 2.2V bias voltage, such as 2V; The ratio (DP/DM) of these two bias voltages can allow in discharge mode IOS System Discrimination this be 2A power supply unit.
In another enforcement that the utility model is created, above-mentioned terminal resistance loop is arranged in miniature charging cable, as shown in Figure 9, Figure 10, now, without the need to arranging control switch, first resistance 31 just can directly be connected with usb data pin DP, and same 3rd resistance also can be connected with usb data pin DM.
Referring again to Fig. 5, in the present embodiment, the implementation that charge mode or discharge mode switch adopts: under portable power source fills Electricity pattern, uses 5V adapter ， Tong Over Universal USB Line (the public mouth of one end USB-A with family; The public mouth of other end micro-USB), connect the female mouth of portable power source body micro-USB, when the male mouth of micro-USB inserts portable power source body micro-USB mother's mouth, OTG identifies that loop can identify that it is non-OTG cable, the female mouth of micro-USB carries out work in a charge mode, and now: terminal resistance loop is off-state, 5V supply circuit disconnects, battery charge circuit closes, for lithium battery charges.When the public mouth of OTG inserts, OTG identifies loop can identify it is OTG pattern, and the female mouth of micro-USB carries out work with discharge mode, and now: terminal resistance circuit closed, in operating state, 5V supply circuit is closed to be exported lithium battery voltage to be converted into 5V voltage.
The utility model is created and is provided a kind of portable power source with the miniature charging cable of OTG, effectively reduces the thickness of portable power source; Make charging cable can embed groove on portable power source body simultaneously, greatly facilitate carrying and depositing of data cable; In addition, the OTG also by being arranged on OTG on charging cable and identifying wiring and be arranged on portable power source body interior identifies that loop makes the female mouth of the micro-USB on portable power source body can be used for carrying out charge mode and can also be used for discharge mode.
Above with reference to the accompanying drawings of the preferred embodiment that the utility model is created, those skilled in the art do not depart from scope and the essence of the utility model creation, multiple flexible program can be had to realize the utility model and create.For example, to illustrate as the part of an embodiment or the feature that describes can be used for another embodiment to obtain another embodiment.These are only that the utility model creates better feasible embodiment, not thereby the interest field that the utility model is created is limited to, all utilization the utility model creates the equivalence change that specification and accompanying drawing content are done, and is all contained within interest field that the utility model creates.
Claims (11)
1. with a portable power source for the miniature charging cable of OTG, it is characterized in that, comprising:
Miniature charging cable, first end is provided with the public mouth of micro-USB, and the public mouth of described micro-USB is connected with OTG with OTG pattern and identifies wiring; Second end is provided with data pin, for being connected with digital product;
Portable power source body, its sidewall is provided with groove, for holding described miniature charging cable; Described portable power source body is also provided with the female mouth of micro-USB, for entering charge mode or discharge mode.
2. according to claim 1 with the portable power source of the miniature charging cable of OTG, it is characterized in that, described data pin is the public mouth of micro-USB or lightning interface.
3. according to claim 1 or 2 with the portable power source of the miniature charging cable of OTG, it is characterized in that, described OTG identifies the grounding pin of wiring and described data pin or is connected with described OTG and identifies that the grounding pin of the micro-USB public affairs mouth of wiring is connected, for confirming described OTG pattern; Just enter described discharge mode when portable power source body recognizes when described OTG identifies wiring, now by being provided with described OTG, electricity identifies that the public mouth of the micro-USB of wiring is carried to described data pin.
4. according to claim 1 with the portable power source of the miniature charging cable of OTG, it is characterized in that, described portable power source body also comprises OTG and identifies loop, for realizing the switching of described charge mode or discharge mode.
5. according to claim 1 with the portable power source of the miniature charging cable of OTG, it is characterized in that, also comprise terminal resistance loop, be arranged on described portable power source body micro-USB female mouth Bing Real Now on a printed circuit, described terminal resistance loop, with control switch, is operating state for making described terminal resistance loop in described discharge mode.
6. according to claim 5 with the portable power source of the miniature charging cable of OTG, it is characterized in that, described terminal resistance loop recognizes when described OTG identifies wiring ground connection at described portable power source body and just starts.
7. according to claim 1 with the portable power source of the miniature charging cable of OTG, it is characterized in that, also comprise terminal resistance loop, be arranged in described miniature charging cable.
8. according to claim 5 or 7 with the portable power source of the miniature charging cable of OTG, it is characterized in that, described terminal resistance loop comprises: the first resistance, and one end is connected with supply voltage, and the other end is connected with usb data pin DP; Second resistance, one end is connected with the other end of described first resistance, other end ground connection; 3rd resistance, one end is connected with supply voltage, and the other end is connected with usb data pin DM; 4th resistance, one end is connected with the other end of described 3rd resistance, other end ground connection.
9. according to claim 8 with the portable power source of the miniature charging cable of OTG, it is characterized in that, the resistance ratio of described first resistance and the second resistance is used for allowing described usb data pin DP point produce 2.5 to 3V bias voltage; The resistance ratio of described 3rd resistance and the 4th resistance is used for allowing described usb data pin DM point produce 1.8 to 2.2V bias voltage.
10. according to claim 1 with the portable power source of the miniature charging cable of OTG, it is characterized in that, the front of described portable power source body is also provided with dismountable flat board.
11., according to claim 1 with the portable power source of the miniature charging cable of OTG, is characterized in that, the length of described miniature charging cable is equal with the length of the groove on described portable power source body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520355516.8U CN204992627U (en) | 2015-05-28 | 2015-05-28 | Portable power source with miniature charging cable of OTG |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520355516.8U CN204992627U (en) | 2015-05-28 | 2015-05-28 | Portable power source with miniature charging cable of OTG |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204992627U true CN204992627U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520355516.8U Expired - Fee Related CN204992627U (en) | 2015-05-28 | 2015-05-28 | Portable power source with miniature charging cable of OTG |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204992627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220407270A1 (en) * | 2021-06-16 | 2022-12-22 | Dongguan Xcoso Electronic Technology Co., Ltd. | MFi-CERTIFIED DIGITAL DATA CABLE |
-
2015
- 2015-05-28 CN CN201520355516.8U patent/CN204992627U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220407270A1 (en) * | 2021-06-16 | 2022-12-22 | Dongguan Xcoso Electronic Technology Co., Ltd. | MFi-CERTIFIED DIGITAL DATA CABLE |
| US11631953B2 (en) * | 2021-06-16 | 2023-04-18 | Dongguan Xcoso Electronic Technology Co., Ltd | MFi-certified digital data cable |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20190528 |