CN203537023U - A mobile power supply and a charging system - Google Patents
A mobile power supply and a charging system Download PDFInfo
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- CN203537023U CN203537023U CN201320685594.5U CN201320685594U CN203537023U CN 203537023 U CN203537023 U CN 203537023U CN 201320685594 U CN201320685594 U CN 201320685594U CN 203537023 U CN203537023 U CN 203537023U
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- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
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Abstract
The utility model provides a mobile power supply and a charging system. The mobile power supply comprises a Micro-USB interface socket, a HDMI interface socket, and a USB interface socket supporting MHL signal connection, wherein the Micro-USB interface socket is used for charging the mobile power supply, the HDMI interface socket is used for being connected with an HDMI plug of an external display device, and the USB interface socket supporting MHL signal connection is used for being connected with an MHL interface of a mobile terminal. After the USB interface socket supporting MHL signal connection on the mobile power supply is connected with the MHL interface of the mobile terminal, the mobile power supply can charge the mobile terminal, and meanwhile MHL signals on the mobile terminal can be transmitted to the mobile power supply. Due to a fact that the mobile power supply is further provided with the HDMI interface socket, the MHL signals transmitted from the mobile terminal to the mobile power supply can be transmitted to the external display device through an HDMI interface on the mobile power supply, and therefore multimedia signals on the mobile terminal can be played on the external display device.
Description
Technical field
The utility model relates to electrical storage device field, relates in particular to a kind of portable power source and charging system.
Background technology
Along with developing rapidly of electronic technology, mobile terminal constantly increases as the function of smart mobile phone, iPad and panel computer, and its power consumption is also constantly soaring.Make the stand-by time of mobile terminal shorter, even less than one day, in this case, be convenient for carrying can be at any time to mobile terminal charging, to make user depart from the portable power source of using up the predicament that affects normal work because of the electric weight of mobile terminal be the favor that battery that electric power storage ability is stronger is subject to mobile phone users gradually.
Fig. 1 shows the structural representation of conventional portable power source in prior art.On conventional portable power source of the prior art, be provided with one for the Micro-USB(micro USB of connecting charger) interface socket, and two the normal USB socket that connect mobile terminal, i.e. USB2.0.Take smart mobile phone as example, and Fig. 2 shows the connection of smart mobile phone charger, portable power source and mobile phone and uses schematic diagram.Wherein, Micro-USB interface socket on portable power source is connected with the normal USB socket on charger, realize the charging of portable power source, the normal USB socket on portable power source is connected with the Micro-USB interface socket on smart mobile phone, and realizing portable power source is smart mobile phone charging.
From the conventional portable power source of the prior art of Fig. 1 example, can only be embodied as the function of mobile terminal charging, can not realize and convert MHL signal to HDMI signal, thereby can not realize by the connection of charger of the prior art the broadcasting in external display unit of multi-media signal on mobile terminal.
Utility model content
In view of this, first aspect of the present utility model provides a kind of portable power source, it can either be embodied as mobile terminal charging, MHL signal can be converted to HDMI signal again, thereby realize by its connection, realizes the broadcasting in external display unit of multi-media signal on mobile terminal.
Based on this, second aspect of the present utility model provides a kind of charging system.
In order to reach above-mentioned utility model object, the utility model has adopted following technical scheme:
A portable power source, comprises Micro-USB interface socket, also comprises HDMI interface socket and the usb socket of supporting the connection of MHL signal.
More preferably, the front that the usb socket that described Micro-USB interface socket, described support MHL signal connect and described HDMI interface socket are all positioned at described portable power source.
More preferably, the usb socket that described Micro-USB interface socket is connected with described support MHL signal is positioned at the front of described portable power source, and described HDMI interface socket is positioned at front, the back side or the side of described portable power source.
More preferably, the usb socket that described support MHL signal connects is USB3.0 socket.
More preferably, described portable power source also comprises that portable power source chip, MHL turn HDMI chip, portable power source battery, the first diode and the second diode, wherein, the USB power input of described portable power source connects described portable power source chip, and described portable power source chip and described portable power source battery connect and compose the first branch road; The USB power input of described portable power source also turns HDMI chip by the first diode and described MHL and connects and composes the second branch road, between described the first branch road and described the second branch road, by described the second diode, connects.
A charging system, comprises, portable power source, mobile terminal and display unit, and described portable power source adopts the portable power source described in above-mentioned any one.
More preferably, the usb socket that described support MHL signal connects is USB3.0 socket, on described mobile terminal, be provided with MHL interface, described charging system also comprises for connecting the usb socket of the support MHL signal connection on described portable power source and the connecting line of the MHL interface on described mobile terminal, one end of described connecting line is MHL plug, the other end of described connecting line is USB3.0 plug, and the MHL end of described connecting line inside is connected definition with the wire of described USB3.0 end:
The VBUS pin of described MHL end is connected with the VBUS pin of described USB3.0;
The D-pin of described MHL end is connected with the D-pin of described USB3.0;
The D+ pin of described MHL end is connected with the D+ pin of described USB3.0;
The CBUS pin of described MHL end is connected with the SSRX+ pin of described USB3.0;
The GND pin of described MHL end is connected with a GND pin of described USB3.0;
Pin SSTX+, SSTX-, the 2nd GND and the SSRX-of described USB3.0 end are unsettled.
The portable power source that the utility model provides comprises HDMI interface socket and supports the usb socket that MHL signal connects.Wherein, HDMI interface socket is for connecting the HDMI plug of external display unit, support the usb socket of MHL signal connection for connecting the MHL interface of mobile terminal, because MHL standard is being formulated the function just originally with mobile terminal charging, so, after the usb socket that support MHL signal on portable power source connects is connected with the MHL interface on mobile terminal, portable power source can charge for mobile terminal, and the MHL signal on mobile terminal can be transferred on portable power source simultaneously.Owing to being also provided with HDMI interface socket on portable power source, the MHL signal being transferred on portable power source by mobile terminal so just can be transferred in external display unit through the HDMI interface on portable power source, thereby the multi-media signal on mobile terminal can be play in external display unit.
From foregoing description, the portable power source that the utility model embodiment provides is in for mobile terminal charging, can convert the MHL signal on mobile terminal to HDMI signal, that is to say, the function of portable power source that the utility model provides is integrated MHL turns HDMI.
Accompanying drawing explanation
In order to be expressly understood the utility model or embodiment of the prior art, below the accompanying drawing of using in describing prior art embodiment alive is briefly described.Apparently, these accompanying drawings are only a part of accompanying drawings of the utility model embodiment, and those of ordinary skills, not paying under the prerequisite of creative work, can also obtain other accompanying drawings.
Fig. 1 is the structural representation of conventional portable power source of the prior art;
Fig. 2 is the charging system schematic diagram that the conventional portable power source of available technology adopting is charged as mobile phone charging;
Fig. 3 is used the mobile phone with MHL interface to turn by MHL the schematic diagram that HDMI adapter is connected with TV in prior art;
Fig. 4 is the portable power source structural representation of the utility model embodiment;
Fig. 5 (1) and Fig. 5 (2) are respectively the front and back structural representations of another structure of portable power source of the utility model embodiment;
Fig. 6 is that the inner lead of the specific connecting line of the utility model embodiment connects definition figure;
Fig. 7 is the portable power source circuit theory diagrams of the utility model embodiment;
Fig. 8 is the charging system structural representation of the utility model embodiment.
Embodiment
Below with reference to embodiment shown in the drawings, the utility model is described in detail.But these execution modes do not limit the utility model, within the conversion in the structure that those of ordinary skill in the art makes according to these execution modes, method or function is all included in protection range of the present utility model.
Just as described in the background section, existing portable power source only has the function of charging.And in actual applications, in order to realize the broadcasting that multi-media signal on mobile terminal can be on external display device, a kind of new multimedia interface MHL that aims at mobile terminal customization, just popular, becomes the standard configuration of most of high-end mobile phones and panel computer.But because external display device is generally HDMI as the input signal of TV and display, and incompatible MHL, so MHL turns the adapter of HDMI, serve as the transducer of MHL agreement to HDMI agreement, realize the physical connection between mobile terminal and external display device.Fig. 3 shows the mobile phone using with MHL interface and turns by MHL the schematic diagram that HDMI adapter is connected with TV.Wherein, the MHL interface that MHL turns HDMI adapter is connected with the minitype USB interface of mobile phone, MHL turns the HDMI interface of HDMI adapter and the HDMI interface of TV is connected, like this, by MHL, turn HDMI adapter and just can convert the MHL signal on mobile phone to HDMI signal, thereby realize the broadcasting on TV of multi-media signal on mobile phone.
The adapter that turns HDMI interface due to existing portable power source and MHL is independently equipment, and this just needs user to carry adapter that portable power source and MHL turn HDMI could to meet the charging of mobile terminal and the requirement of playing the multi-media signal on mobile terminal on external display device simultaneously.Need to carry two independently equipment increase the weight of unavoidably the burden that user carries and uses.Yet because the Micro-USB interface of MHL interface and mobile phone shares an interface, and MHL standard just took into account the charge function of mobile terminal originally formulating, think that MHL provides good basis to HDMI interface adapter and portable power source integrated.
The utility model utilizes the fact of MHL to HDMI adapter and portable power source USB to share micro, in the situation that not changing portable power source shape and not increasing size, the function that MHL is turned to HDMI is integrated on portable power source, and a kind of portable power source that turns HDMI function with MHL is provided.
Particularly, in conjunction with Fig. 4, portable power source structure of the present utility model is described in detail.Referring to Fig. 4, the portable power source that the utility model provides comprises Micro-USB interface socket 41, HDMI interface socket 42 and supports the usb socket 43 that MHL signal connects.Specifically, the structure shown in Fig. 4 is portable power source Facad structure, at this portable power source back side, there is no any interface of equipment, and for the sake of brevity, the present embodiment is not described in detail the structure of portable power source.In actual applications, Micro-USB interface socket 41, for being connected with charger, is embodied as portable power source power supply and charging.HDMI interface socket 42 is connected with the plug of the HDMI interface of external display unit, the usb socket 43 of supporting MHL signal to connect is connected with the Micro-USB interface on mobile terminal, due to the Micro-USB interface on mobile terminal and the shared interface of MHL interface, and MHL interface has the function for mobile terminal charging, so after the usb socket 43 that the support MHL signal on portable power source connects is connected with the Micro-USB interface on mobile terminal, by this interface, both having can be implemented as mobile terminal charges, MHL signal on mobile terminal can be transferred on portable power source again, thereby then by the HDMI socket on portable power source, be transferred in external display unit and realize MHL signal to the conversion of HDMI signal.
On the basis of conventional portable power source that the portable power source that the utility model provides can be in the prior art, improve and obtain.Portable power source after improvement and the size and dimension of conventional portable power source all do not change, and can change the production that can complete the new portable power source that the utility model provides very little in the situation that in existing production technology.The conventional portable power source that contains two normal USB2.0 interfaces and a Micro-USB interface of take improves as example.Specifically improve one's methods as follows:
The first is improved one's methods
The utility model can keep the Facad structure of conventional portable power source to remain unchanged, and the socket of one of them normal USB2.0 interface is repacked into the socket of USB3.0.But the socket of this USB3.0 is not for supporting USB3.0 agreement, but be used for supporting that the signal of MHL connects.The socket of this USB3.0 had both had the function of original USB2.0 like this, can also support the connection of MHL signal.In addition, in order to convert the MHL signal on mobile terminal to HDMI signal, at the back side of this portable power source, also increase a HDMI interface socket, this HDMI interface socket is used for connecting portable power source and external display device.
The usb socket that the described Micro-USB interface socket of the prepared new portable power source of the above-mentioned improvement of process is connected with described support MHL signal is positioned at the front of described portable power source, and described HDMI interface socket is positioned at the back side of described portable power source.Should turn the Facad structure schematic diagram of portable power source of HDMI function and structure schematic diagram respectively as shown in Fig. 5 (1) and Fig. 5 (2) with MHL.
The second is improved one's methods
Improve one's methods identically with the first, the utility model also can repack on conventional portable power source into USB3.0 by normal USB2.0 interface socket, repacks the normal USB2.0 interface socket of another one into HDMI interface socket.Any change is not done in the back side of portable power source.This second improve one's methods the portable power source that obtains structural representation as shown in Figure 4.
Through the second, improve one's methods the described Micro-USB interface socket of the portable power source that obtains, the front that the usb socket that described support MHL signal connects and described HDMI interface socket are all positioned at described portable power source.
In addition, it should be noted that, described in the utility model conventional portable power source being carried out to the execution mode that improved method is not limited to normal USB2.0 interface socket to be adapted as USB3.0 interface socket, can be the function of charging of mobile devices and the function that support MHL signal is connected as long as the interface after repacking has.
In addition, each interface on the portable power source that the utility model embodiment provides can be positioned on any one face on portable power source, as HDMI interface socket can be positioned on front, the back side or the side of portable power source.Certainly, other interfaces also can be positioned on front, the back side or side arbitrary of portable power source as Micro-USB interface and the usb socket of supporting MHL signal to be connected.
The portable power source that the utility model provides, except having the function of charging, also has the function that MHL turns HDMI adapter, can convert the MHL signal on mobile terminal to HDMI signal.Like this, only need portable power source that the utility model provides can realize the function that conventional portable power source of the prior art and MHL turn HDMI adapter, expanded the function of conventional portable power source, more convenient user uses.The portable power source that adopts the utility model to provide can reduce the weight and volume of user's Portable device, reduce user's burden, simultaneously this portable power source that increase to use function by prior art two completely independently exist, independent use, but there is again the overlapping equipment of partial function to integrate, be conducive to save the cost of device and accessory, easy to use, there is good economy and social value.
In addition,, while using MHL of the prior art to turn HDMI adapter, need external special stabilized voltage power supply to power to it.And the portable power source of the utility model embodiment can turn for the MHL of its inside the interface power supply of HDMI, the MHL on using this portable power source does not need extra external power supply while turning HDMI function.Thereby from this aspect, this portable power source is also conducive to save the cost, easy to use of device and accessory.
It should be noted that, when being mobile terminal charging in order to realize by portable power source, convert the MHL signal on mobile terminal to HDMI signal so that the broadcasting on external display device, for connect mobile terminal Micro-USB interface with on portable power source for supporting that the connecting line of the usb socket that MHL signal is connected is a specific connecting line, one end of this specific connecting line is MHL plug, and the other end is USB3.0 plug.The MHL plug of this specific connecting line is for being connected with the Micro-USB interface on mobile terminal, and the usb socket that the USB3.0 plug on this specific connecting line is connected for the support MHL signal with on portable power source connects.In the male of this MHL end, have 5 lines, and in USB3.0 male, have 9 lines, the MHL end of this connecting line inside is connected definition as shown in Figure 6 with the wire of USB3.0 end.Concrete wire connection is defined as follows:
The VBUS pin of described MHL end is connected with the VBUS pin of described USB3.0;
The D-pin of described MHL end is connected with the D-pin of described USB3.0;
The D+ pin of described MHL end is connected with the D+ pin of described USB3.0;
The CBUS pin of described MHL end is connected with the SSRX+ pin of described USB3.0;
The GND pin of described MHL end is connected with a GND pin of described USB3.0;
Pin SSTX+, SSTX-, the 2nd GND and the SSRX-of described USB3.0 end are unsettled.
The conduction connected mode of this connecting line inside can either be applicable to USB3.0 interface also can realize the compatibility to USB2.0 interface, has wider applicability.
In addition, when for connect the Micro-USB interface of mobile terminal with on portable power source when supporting USB2.0 that the connecting line of the usb socket that MHL signal is connected is standard to turn Micro-USB line, this portable power source is merely able to for mobile terminal charging, but MHL signal can not be converted to HDMI signal, thereby can not make to play the multi-media signal of mobile terminal on external display device.
As everyone knows, when the multi-media signal on mobile terminal is play on external display device, can consume the electric weight of mobile terminal inside.Yet the portable power source that above-described embodiment provides, when charger is portable power source charging, does not allow portable power source to mobile terminal, to charge simultaneously.So may just there will be while playing mobile multimedia terminal signal, the electric quantity consumption of mobile terminal is complete, need to disconnect and play as mobile terminal charging, this portable power source uses inconvenient.
In order to make portable power source in charging, also can be for mobile terminal charges, the utility model embodiment also provides a kind of charging circuit of portable power source.Shown in Figure 7, this charging circuit comprises that portable power source chip 71, MHL turn HDMI chip 72, portable power source battery 73, the first diode 74 and the second diode 75.In this charging circuit, portable power source USB power input connects portable power source chip 71, and portable power source chip 71 and portable power source battery 73 connect and compose the first branch road of this charging circuit; Portable power source USB power input turns with MHL the second branch road that HDMI chip 72 connects and composes this charging circuit by the first diode 74.At portable power source chip 71 and MHL, turn between HDMI chip 72 also by the second diode 75 connections.
When portable power source is worked, mobile terminal access MHL turns the MHL interface 721 of HDMI chip 72, and external display device access MHL turns the HDMI output interface 722 of HDMI chip 72.
When portable power source is plugged after stabilized voltage power supply, stabilized voltage power supply can be 73 chargings of portable power source battery by portable power source chip 71, meanwhile, this stabilized voltage power supply is returned MHL and is turned 72 power supplies of HDMI chip, makes it to realize normal video playback and the function to mobile terminal charging.When stabilized voltage power supply does not connect, portable power source battery 73 turns 72 power supplies of HDMI chip by portable power source chip 71 and the second diode 75 to MHL, makes it to realize normal video playback and the function to mobile terminal charging.Adopt that above-described embodiment provides at portable power source without being mobile terminal charging separately, can when portable power source charges, to mobile terminal, charge, can save user's time, there is good economy and social value.
The portable power source providing based on above-described embodiment, the utility model embodiment also provides a kind of charging system.As shown in Figure 8, this charging system comprises portable power source 81, mobile terminal 82 and display unit 83.Wherein, portable power source 81 is the portable power source described in above-described embodiment.
In this charging system, for connecting the connecting line of portable power source 81 and mobile terminal 82, can for the specific connecting line described in above-described embodiment, (be that one end is MHL plug, one end is USB3.0 plug), now, this portable power source 81 not only can be mobile terminal 82 chargings, but also can convert the MHL signal on mobile terminal to HDMI signal.In addition for connecting the connecting line of portable power source 81 and mobile terminal 82, can also be that standard USB2.0 turns Micro-USB line.Now, the function of portable power source 81 only can be charged for mobile terminal.
In this charging system, for connecting the connecting line of portable power source 81 and display unit 83, are the conventional HDMI lines in this area, for the HDMI signal being converted to being transferred to display unit 83 to show the multi-media signal on mobile terminal in display unit 83.
It should be noted that, the mobile device described in the utility model embodiment can be the equipment such as mobile phone, panel computer and iPad.Described external display unit can be the equipment such as TV.
Listed a series of detailed description is above only illustrating for feasibility execution mode of the present utility model; they are not in order to limit protection range of the present utility model, all disengaging within equivalent execution mode that the utility model skill spirit does or change all should be included in protection range of the present utility model.
Claims (7)
1. a portable power source, comprises Micro-USB interface socket, it is characterized in that, also comprises HDMI interface socket and the usb socket of supporting the connection of MHL signal.
2. portable power source according to claim 1, is characterized in that, the front that the usb socket that described Micro-USB interface socket, described support MHL signal connect and described HDMI interface socket are all positioned at described portable power source.
3. portable power source according to claim 1, it is characterized in that, the usb socket that described Micro-USB interface socket is connected with described support MHL signal is positioned at the front of described portable power source, and described HDMI interface socket is positioned at front, the back side or the side of described portable power source.
4. according to the portable power source described in claim 1-3 any one, it is characterized in that, the usb socket that described support MHL signal connects is USB3.0 socket.
5. according to the portable power source described in claim 1-3 any one, it is characterized in that, described portable power source also comprises that portable power source chip, MHL turn HDMI chip, portable power source battery, the first diode and the second diode, wherein, the USB power input of described portable power source connects described portable power source chip, and described portable power source chip and described portable power source battery connect and compose the first branch road; The USB power input of described portable power source also turns HDMI chip by the first diode and described MHL and connects and composes the second branch road, between described the first branch road and described the second branch road, by described the second diode, connects.
6. a charging system, comprises, portable power source, mobile terminal and display unit, is characterized in that, described portable power source adopts the portable power source described in claim 1-5 any one.
7. charging system according to claim 6, it is characterized in that, the usb socket that described support MHL signal connects is USB3.0 socket, on described mobile terminal, be provided with MHL interface, described charging system also comprises for connecting the usb socket of the support MHL signal connection on described portable power source and the connecting line of the MHL interface on described mobile terminal, one end of described connecting line is MHL plug, the other end of described connecting line is USB3.0 plug, and the MHL end of described connecting line inside is connected definition with the wire of described USB3.0 end:
The VBUS pin of described MHL end is connected with the VBUS pin of described USB3.0;
The D-pin of described MHL end is connected with the D-pin of described USB3.0;
The D+ pin of described MHL end is connected with the D+ pin of described USB3.0;
The CBUS pin of described MHL end is connected with the SSRX+ pin of described USB3.0;
The GND pin of described MHL end is connected with a GND pin of described USB3.0;
Pin SSTX+, SSTX-, the 2nd GND and the SSRX-of described USB3.0 end are unsettled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320685594.5U CN203537023U (en) | 2013-10-31 | 2013-10-31 | A mobile power supply and a charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320685594.5U CN203537023U (en) | 2013-10-31 | 2013-10-31 | A mobile power supply and a charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203537023U true CN203537023U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320685594.5U Expired - Lifetime CN203537023U (en) | 2013-10-31 | 2013-10-31 | A mobile power supply and a charging system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545892A (en) * | 2013-10-31 | 2014-01-29 | 龙迅半导体科技(合肥)有限公司 | Mobile power source and charging system |
-
2013
- 2013-10-31 CN CN201320685594.5U patent/CN203537023U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545892A (en) * | 2013-10-31 | 2014-01-29 | 龙迅半导体科技(合肥)有限公司 | Mobile power source and charging system |
| CN103545892B (en) * | 2013-10-31 | 2016-03-09 | 龙迅半导体（合肥）股份有限公司 | A kind of portable power source and charging system |
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Address after: 230601, Hefei economic and Technological Development Zone, Anhui province innovation and entrepreneurship Park, block A, four Patentee after: LONTIUM SEMICONDUCTOR Corp. Address before: 230601, Hefei economic and Technological Development Zone, Anhui province innovation and entrepreneurship Park, block A, four Patentee before: LONTIUM SEMICONDUCTOR Corp. |
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Granted publication date: 20140409 |