CN205960697U - Power supply equipment - Google Patents
Power supply equipment Download PDFInfo
- Publication number
- CN205960697U CN205960697U CN201620822403.9U CN201620822403U CN205960697U CN 205960697 U CN205960697 U CN 205960697U CN 201620822403 U CN201620822403 U CN 201620822403U CN 205960697 U CN205960697 U CN 205960697U
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- Prior art keywords
- power supply
- communication interface
- portable terminal
- supply unit
- equipment
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Abstract
The utility model discloses a power supply equipment, include the casing that comprises upper and lower shell, inside is provided with PCB board and built -in battery, is provided with charging management chip on the PCB board and charges the interface, and the interface that charges exposes the casing and is used for connecting external power source, still be provided with two communication interface on the PCB board, link to each other and expose the casing with charging management chip respectively, a communication interface connects portable terminal, and the 2nd communication interface connects its external equipment, is provided with data channel between the two, realizes that portable terminal is rather than the external equipment direct communication, when connecting portable terminal rather than external equipment simultaneously, power supply equipment is the external equipment power supply, when only connecting portable terminal, power supply equipment is the portable terminal power supply. Compare and directly be external equipment by portable terminal and supply power in current, can prolong time of endurance, external equipment only needs an interface, also is connected to portable terminal when being connected to power supply equipment in other words, needn't additionally set up the interface that charges on external equipment.
Description
Technical field
This utility model is related to technical field of electronic equipment and in particular to a kind of power supply unit.
Background technology
Performance with portable terminal steps up, and range of application is also increasingly wider, constantly has various applications, game to push away
Go out, cause the power consumption of portable terminal increasing, the demand also more and more higher to endurance.Especially portable in collocation
After the external equipment such as virtual implementing helmet that terminal uses occurs, the battery of portable terminal while for power itself,
It is also required to power for the external equipment being connected to portable terminal, further the battery durable ability of portable terminal is proposed to choose
War.But it is affected by the restriction of size and outward appearance, the capacity of portable terminal end-cell will not unconfined increase, therefore limit outer
Cruising time when portion's equipment collocation portable terminal uses.
Utility model content
This utility model provides a kind of power supply unit so that external equipment is while being connected to portable terminal, can
It is powered with the power supply unit being provided using this utility model, extend continuation of the journey when external equipment collocation portable terminal uses
Time.
This utility model provides a kind of power supply unit, including the housing being made up of upper casing and lower casing, arranges in housing
There are pcb board and internal battery, described pcb board is provided with charging management chip and charging inlet, and described charging inlet exposes
Housing is used for connecting external power source；It is characterized in that, described pcb board is additionally provided with the first communication interface and the second communication connects
Mouthful, described first communication interface is connected with described charging management chip respectively with described second communication interface and exposes housing；
Described first communication interface is used for connecting portable terminal, and described second communication interface is used for connecting described portable
The external equipment of terminal；
Be provided with data channel between described first communication interface and the second communication interface, for described portable terminal with
Row data communication is directly entered between its external equipment；
When described power supply unit is simultaneously connected with described portable terminal with its external equipment, described charging management chip control
Make described power supply unit to power by the external equipment that described second communication interface is described portable terminal；
When described power supply unit only connects described portable terminal, described charging management chip controls described power supply unit
Powered for described portable terminal by described first communication interface.
Wherein, described first communication interface and described second communication interface are USB Type-C interface；
Described portable terminal is the smart mobile phone or panel computer with USB Type-C interface, described portable terminal
External equipment be to wear display device with USB Type-C interface.
Wherein, described power supply unit is battery back splint, has the profile matching with described portable terminal；
The edge of described power supply unit upper casing is provided with fixed structure, described portable for being fixed on described power supply unit
The back side of formula terminal.
Wherein, described first communication interface is USB Type-C male, is arranged on the upper surface of described power supply unit upper casing,
When described power supply unit is fixed on the back side of described portable terminal, described first communication interface inserts described portable terminal
USB Type-C female seat.
Wherein, described second communication interface is USB Type-C female seat, is arranged on an end of described power supply unit housing
Face, for the USB Type-C male insertion of the external equipment of described portable terminal.
Wherein, described charging inlet is Micro USB interface, is arranged on a side of described power supply unit housing.
Wherein, when described charging inlet is not connected with external power source, described charging management chip controls described internal battery
It is described portable terminal or its external equipment is powered；
When described charging inlet connects external power source, described charging management chip control external power source directly for described just
Take formula terminal or its external equipment is powered, charge for described internal battery simultaneously.
Wherein, described pcb board is additionally provided with ON-OFF control circuit；
Described ON-OFF control circuit, for detecting whether described second communication interface is connected with equipment；Set when having detected
Break for when being connected to described second communication interface, controlling the circuit between described first communication interface and described charging management chip
Open；When detect do not have equipment to be connected to described second communication interface when, control described first communication interface and described charging valve
Circuit ON between reason chip.
Wherein, described ON-OFF control circuit includes PMOS, audion, key switch, first resistor and second resistance；
The base stage of the first described audion of termination of described key switch, and described charging valve is connect by described first resistor
The power output end of reason chip, the second end ground connection of described key switch；
The colelctor electrode of described audion connects the grid of described PMOS, the grounded emitter of described audion；
The source electrode of described PMOS connects the power output end of described charging management chip, and drain electrode connects described first communication and connects
Mouthful；
The two ends of described second resistance connect source electrode and the grid of described PMOS respectively；
When there being equipment to be connected to described second communication interface, described key switch is in an ON state；When there is no equipment
When being connected to described second communication interface, described key switch is off.
Wherein, described ON-OFF control circuit also includes diode；
The positive pole of described diode connects the drain electrode of described PMOS, and the negative pole of described diode connects described first communication and connects
Mouthful.
The beneficial effects of the utility model are：The power supply unit that this utility model provides is provided with two communication interfaces, point
Not Lian Jie portable terminal and external equipment, be provided with data channel between two communication interfaces, realize portable terminal and its
Direction communication between external equipment, does not interfere with external equipment collocation portable terminal and uses；Outside portable terminal is with it
When portion's equipment is simultaneously connected with power supply unit, powered for the external equipment of portable terminal by power supply unit, compared to existing by
Portable terminal is directly powered for external equipment, portable terminal itself will not be lost using power supply unit of the present utility model
Battery electric quantity, such that it is able to extend the cruising time that external equipment collocation portable terminal uses；And set not using outside
Standby, when power supply unit only connects portable terminal, now powered for portable terminal by power supply unit, can extend portable again
The cruising time of terminal itself；In addition the external equipment of portable terminal only needs to arrange a communication interface, is being connected to confession
Also correspond to during electric equipment be connected to portable terminal it is not necessary to extra on external equipment arrange charging inlet.
In preferred embodiment, power supply unit is battery back splint, has the profile matching with portable terminal, by power supply
Power supply unit can be fixed on the back side of portable terminal by the fixed structure of the edge setting of equipment upper casing, enhance it portable
Property.
Brief description
Fig. 1 is the functional block diagram of the power supply unit that one embodiment of this utility model provides；
Fig. 2 is the schematic appearance of the power supply unit that one embodiment of this utility model provides, and wherein Fig. 2 (a) is to face
Figure, Fig. 2 (b) is side view, and Fig. 2 (c) is top view；
Fig. 3 is the circuit diagram of the power supply unit breaker in middle control circuit that one embodiment of this utility model provides.
Specific embodiment
Design concept of the present utility model is：When being connected to portable terminal for current external equipment, by portable terminal
Hold and power for external equipment, cruising time short problem, this utility model provides a kind of power supply unit, and setting thereon two is led to
Letter interface, connects portable terminal and external equipment respectively, is provided with data channel, portable terminal between two communication interfaces
Can directly be communicated with external equipment, now be powered for external equipment by power supply unit, thus extending external equipment collocation
Cruising time when portable terminal uses.
Fig. 1 is the functional block diagram of the power supply unit that one embodiment of this utility model provides, and Fig. 2 is this utility model one
The schematic appearance of the power supply unit that embodiment provides, in conjunction with Fig. 1 and Fig. 2, power supply unit 100 includes being made up of upper casing and lower casing
Housing, be provided with pcb board and internal battery 111 in housing, pcb board be provided with charging management chip 112 and charging
Mouthfuls 113, and charging inlet 113 exposes housing and is used for connecting external power source 120.First communication interface 114 is additionally provided with pcb board
With the second communication interface 115, the first communication interface 114 is connected simultaneously with charging management chip 112 respectively with the second communication interface 115
Expose housing.
First communication interface 114 is used for connecting portable terminal, and the second communication interface 115 is used for connecting portable terminal
External equipment.It is provided with data channel, portable terminal and outside between first communication interface 114 and the second communication interface 115
Equipment can directly enter row data communication by this data channel, and when communicating with portable terminal, external equipment is equivalent to directly
It is connected to portable terminal in succession.
When power supply unit 110 is simultaneously connected with portable terminal with its external equipment, charging management chip 112 controls power supply
Equipment 110 is powered for external equipment by the second communication interface 115.Now, external equipment is powered by power supply unit 110,
Directly powered by portable terminal compared to existing, cruising time can be extended.External equipment only needs an interface, passes through
Power supply unit 100 is connected to portable terminal it is not necessary to extra on external equipment arrange charging inlet.
When power supply unit 110 only connects portable terminal, charging management chip 112 controls power supply unit 110 to pass through the
One communication interface 114 is powered for portable terminal.I.e. when portable terminal does not use external equipment, power supply unit 100 also may be used
Think that portable terminal is powered, extend the cruising time of portable terminal itself.
It is understood that when power supply unit 110 only connects the external equipment of portable terminal, charging management chip
112 can also control power supply unit 110 to power for this external equipment by the second communication interface 115.When carrying in external equipment
When power management chip and internal battery, power supply unit 110 can be that the internal battery of this external equipment charges, outer in order to this
Portion's equipment is when being not connected to portable terminal or power supply unit of the present utility model, it is possible to achieve self-powered.
Preferably, the first communication interface 114 and the second communication interface 115 are USB Type-C interface.Portable terminal
It is the smart mobile phone with USB Type-C interface or panel computer, the external equipment of portable terminal is with USB Type-C
Interface wear display device.
USB Type-C interface standard is the one of which of USB 3.1 standard, has 4 pairs of differential signals, full-duplex communication,
Highest supports 5V/20A.Some of them or whole differential signal channel can be converted into Displayport by USB Type-C
Signalling channel, if also remaining differential signal, can continue on for USB data transmission.First communication interface 114 and
Two communication interfaces 115 all using USB Type-C interface, can with larger electric current as portable terminal or its external equipment supply
Electricity, and when external equipment is to wear display device, USB Type-C interface can be with simultaneous transmission Displayport audio frequency and video
Signal and usb data signal.
Preferably, as shown in Fig. 2 power supply unit is battery back splint, be there is the profile being matched with portable terminal.Referring to
Fig. 2 (a) and Fig. 2 (c), the edge of power supply unit upper casing is provided with fixed structure 210, and this fixed structure can be the four of upper casing
Multiple buckle structures of circumferential edges scattering device or be arranged on upper casing one or more sides ferrule structure,
Can be the cooperation of buckle structure and ferrule structure.Power supply unit can be fixed on the back of the body of portable terminal by fixed structure 210
Face, makes power supply unit be easy to carry.The profile of the power supply unit that the present embodiment provides is similar to containment vessel, functionally both plays
For the effect wearing display device or portable terminal is powered, play the effect of containment vessel again, mobile phone, panel computer can be protected
Deng portable terminal, that is, power supply unit of the present utility model has both the containment vessel of portable terminal and the function of external battery.
As shown in Fig. 2 (a), the first communication interface 114 is USB Type-C male, is arranged on the upper table of power supply unit upper casing
Face, when power supply unit is fixed on the back side of portable terminal, the first communication interface may be inserted into setting on portable terminal
USB Type-C female seat.
As shown in Fig. 2 (b), the second communication interface 115 is USB Type-C female seat, is arranged on one of power supply unit housing
End face, on external equipment, the USB Type-C male of setting may be inserted into this female seat, realizes the connection with power supply unit.
Furthermore it is also possible to arrange the charging inlet 113 of Micro USB Type in a side of power supply unit housing, just
Charge in the internal battery 111 for power supply unit.When charging inlet 113 is not connected with external power source 120, charging management chip
112 control internal batteries 111 are portable terminal or its external equipment is powered.When charging inlet 113 connects external power source 120
When, it is directly that portable terminal or its external equipment are powered that charging management chip 112 controls external power source 120, simultaneously for built-in
Battery 111 charges.
Preferably, the pcb board of power supply unit is additionally provided with ON-OFF control circuit 116.ON-OFF control circuit 116 is used for examining
Survey whether the second communication interface 115 is connected with equipment.When the equipment of having detected is connected to the second communication interface 115, switch control
Circuit 116 processed controls the circuit between the first communication interface 114 and charging management chip 112 to disconnect, and power supply unit passes through second
Communication interface is powered for external equipment.When detect do not have equipment to be connected to the second communication interface 115 when, ON-OFF control circuit
116 control the circuit ON between the first communication interface 114 and charging management chip 112, and power supply unit passes through the first communication and connects
Mouth 114 is powered for portable terminal.
Fig. 3 is the circuit diagram of the power supply unit breaker in middle control circuit that one embodiment of this utility model provides.As Fig. 3 institute
Show, the ON-OFF control circuit in this preferred embodiment include PMOS Q1, audion Q2, key switch SW, first resistor R1 and
Second resistance R2.
The base stage of the first termination audion Q2 of key switch SW, and the electricity of charging management chip is connect by first resistor R1
Source output terminal, the second end ground connection of key switch SW.The colelctor electrode of audion Q2 connects the grid of PMOS Q1, and audion Q2 sends out
Emitter grounding.The source electrode of PMOS Q1 connects the power output end of charging management chip, and drain electrode connects the first communication interface.
The two ends of second resistance R2 connect source electrode and the grid of PMOS Q1 respectively.Second resistance R2 is clamp resistance, controls
Voltage between PMOS grid and source electrode is it is ensured that the state of PMOS Q1.
When there being equipment to be connected to the second communication interface, in an ON state, the base stage of audion Q2 connects key switch SW
Ground, audion Q2 ends, thus PMOS Q1 is also switched off, and the circuit between the first communication interface and charging management chip disconnects.
When not having equipment to be connected to the second communication interface, key switch SW is off, and audion Q2 base stage is led to
Cross the power output end that first resistor R1 connects power management chip, be high voltage, audion Q2 turns on, the grid of PMOS Q1 connects
Ground, therefore PMOS Q1 is also switched on, the circuit turn-on between the first communication interface and charging management chip.
Preferably, ON-OFF control circuit also includes diode D1, and its positive pole connects the drain electrode of PMOS Q1, and negative pole connects first and leads to
Letter interface, when power supply unit of the present utility model connects portable terminal, prevents the power supply of portable terminal from pouring in down a chimney, damages and supply
Electric equipment.
In sum, the power supply unit that this utility model provides is provided with two communication interfaces, connects portable terminal respectively
End and external equipment, are provided with data channel between two communication interfaces, realize between portable terminal and its external equipment
Direction communication, does not interfere with external equipment collocation portable terminal and uses；It is simultaneously connected with its external equipment in portable terminal
During power supply unit, powered for the external equipment of portable terminal by power supply unit, direct by portable terminal compared to existing
Power for external equipment, the battery electric quantity of portable terminal itself will not be lost using power supply unit of the present utility model, thus
The cruising time that external equipment collocation portable terminal uses can be extended；And do not using external equipment, power supply unit is only
When connecting portable terminal, now powered for portable terminal by power supply unit, the continuous of portable terminal itself can be extended again
ETS estimated time of sailing；In addition the external equipment of portable terminal only needs to arrange a communication interface, the also phase when being connected to power supply unit
When in be connected to portable terminal it is not necessary on external equipment extra setting charging inlet.
Secondly, power supply unit is battery back splint, has the profile matching with portable terminal, by power supply unit upper casing
The fixed structure of edge setting power supply unit can be fixed on the back side of portable terminal, enhance its portability.
The above, specific embodiment only of the present utility model, under above-mentioned teaching of the present utility model, this area
Technical staff can carry out other improvement or deformation on the basis of above-described embodiment.It will be understood by those skilled in the art that
Above-mentioned specific descriptions simply preferably explain the purpose of this utility model, and protection domain of the present utility model should be with claim
Protection domain be defined.
Claims (10)
1. a kind of power supply unit, including the housing being made up of upper casing and lower casing, is provided with pcb board and internal battery in housing,
Charging management chip and charging inlet are provided with described pcb board, and described charging inlet exposes housing and is used for connecting external electrical
Source；It is characterized in that, described pcb board is additionally provided with the first communication interface and the second communication interface, described first communication interface
It is connected with described charging management chip respectively with described second communication interface and expose housing；
Described first communication interface is used for connecting portable terminal, and described second communication interface is used for connecting described portable terminal
External equipment；
Be provided with data channel between described first communication interface and the second communication interface, for described portable terminal with its outside
Row data communication is directly entered between portion's equipment；
When described power supply unit is simultaneously connected with described portable terminal with its external equipment, described charging management chip controls institute
State power supply unit to power by the external equipment that described second communication interface is described portable terminal；
When described power supply unit only connects described portable terminal, described charging management chip controls described power supply unit to pass through
Described first communication interface is powered for described portable terminal.
2. power supply unit as claimed in claim 1 is it is characterised in that described first communication interface and described second communication interface
It is USB Type-C interface；
Described portable terminal is the smart mobile phone or panel computer with USB Type-C interface, outside described portable terminal
Portion's equipment is to wear display device with USB Type-C interface.
3. power supply unit as claimed in claim 2 it is characterised in that described power supply unit be battery back splint, have with described
The profile that portable terminal matches；The edge of described power supply unit upper casing is provided with fixed structure, for setting described power supply
The standby back side being fixed on described portable terminal.
4. power supply unit as claimed in claim 3 it is characterised in that described first communication interface be USB Type-C male,
It is arranged on the upper surface of described power supply unit upper casing, when described power supply unit is fixed on the back side of described portable terminal, institute
State the USB Type-C female seat that the first communication interface inserts described portable terminal.
5. power supply unit as claimed in claim 4 it is characterised in that described second communication interface be USB Type-C female seat,
It is arranged on an end face of described power supply unit housing, for the USB Type-C male of the external equipment of described portable terminal
Insertion.
6. power supply unit as claimed in claim 5, it is characterised in that described charging inlet is Micro USB interface, is arranged on
One side of described power supply unit housing.
7. power supply unit as claimed in claim 6 it is characterised in that
When described charging inlet is not connected with external power source, it is described portable that described charging management chip controls described internal battery
Formula terminal or its external equipment are powered；
When described charging inlet connects external power source, it is directly described portable that described charging management chip controls external power source
Terminal or its external equipment are powered, and charge for described internal battery simultaneously.
8. power supply unit as claimed in claim 7 is it is characterised in that be additionally provided with ON-OFF control circuit on described pcb board；
Described ON-OFF control circuit, for detecting whether described second communication interface is connected with equipment；When the equipment that detected connects
When being connected to described second communication interface, the circuit between described first communication interface and described charging management chip is controlled to disconnect；
When detect do not have equipment to be connected to described second communication interface when, control described first communication interface and described Charge Management core
Circuit ON between piece.
9. power supply unit as claimed in claim 8 it is characterised in that described ON-OFF control circuit include PMOS, audion,
Key switch, first resistor and second resistance；
The base stage of the first described audion of termination of described key switch, and described Charge Management core is connect by described first resistor
The power output end of piece, the second end ground connection of described key switch；
The colelctor electrode of described audion connects the grid of described PMOS, the grounded emitter of described audion；
The source electrode of described PMOS connects the power output end of described charging management chip, and drain electrode connects described first communication interface；
The two ends of described second resistance connect source electrode and the grid of described PMOS respectively；
When there being equipment to be connected to described second communication interface, described key switch is in an ON state；Connect when there is no equipment
During to described second communication interface, described key switch is off.
10. power supply unit as claimed in claim 9 is it is characterised in that described ON-OFF control circuit also includes diode；
The positive pole of described diode connects the drain electrode of described PMOS, and the negative pole of described diode connects described first communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620822403.9U CN205960697U (en) | 2016-07-29 | 2016-07-29 | Power supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620822403.9U CN205960697U (en) | 2016-07-29 | 2016-07-29 | Power supply equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205960697U true CN205960697U (en) | 2017-02-15 |
Family
ID=57972523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620822403.9U Active CN205960697U (en) | 2016-07-29 | 2016-07-29 | Power supply equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205960697U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253372A (en) * | 2016-07-29 | 2016-12-21 | 北京小鸟看看科技有限公司 | A kind of power supply unit |
| CN110896237A (en) * | 2019-11-14 | 2020-03-20 | 青岛小鸟看看科技有限公司 | Charging device and method for mobile phone back clip and back clip equipment |
-
2016
- 2016-07-29 CN CN201620822403.9U patent/CN205960697U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253372A (en) * | 2016-07-29 | 2016-12-21 | 北京小鸟看看科技有限公司 | A kind of power supply unit |
| CN106253372B (en) * | 2016-07-29 | 2019-07-19 | 北京小鸟看看科技有限公司 | A kind of power supply unit |
| CN110896237A (en) * | 2019-11-14 | 2020-03-20 | 青岛小鸟看看科技有限公司 | Charging device and method for mobile phone back clip and back clip equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |