CN205960698U - Wear and show power supply system - Google Patents
Wear and show power supply system Download PDFInfo
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- CN205960698U CN205960698U CN201620824638.1U CN201620824638U CN205960698U CN 205960698 U CN205960698 U CN 205960698U CN 201620824638 U CN201620824638 U CN 201620824638U CN 205960698 U CN205960698 U CN 205960698U
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- power supply
- display device
- communication interface
- supply unit
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Abstract
The utility model discloses a wear and show power supply system, including wearing display device, portable terminal and power supply unit, the power supply unit is provided with data channel including being used for a communication interface who connects portable terminal to connect the 2nd communication interface who wears display device with being used for between two communication interface for the direct communication between display device and the portable terminal is worn in the realization, when the power supply unit was connected portable terminal simultaneously and is worn display device, the electric energy that display device no longer consumed portable terminal's battery was worn for wearing the display device power supply to the power supply unit, had prolonged the time of wearing display device and the use of portable terminal collocation, and the two directly links to each other in other words simultaneously, wears display device and need not set up extra power source or power cord, when portable terminal was only connected to the power supply unit, the power supply unit was the portable terminal power supply, can prolong portable terminal's time of endurance itself again.
Description
Technical field
The utility model is related to technical field of virtual reality and in particular to one kind wears display electric power system.
Background technology
With the development of virtual reality technology, the species of virtual reality device gets more and more, the portable terminal such as collocation mobile phone
What end used wears display device can provide more preferable Consumer's Experience, and portable terminal is connected to as main frame by cable
Wear display device, be responsible for the process of data by portable terminal, the display of image is responsible for by the screen wearing display device, compares
In existing mainframe, portable terminal has more preferable portability, it is possible to use family carries out virtual reality body whenever and wherever possible
Test.
Wear display device to this class to be powered, generally have following several ways：
The first, the battery using portable terminal is to wear display device to be powered.But existing portable terminal
In order to meet the demand to outward appearance and portability, the capacity of generally its internal battery is not too large it is impossible to long-time is to wear at end
Display device is powered.
Second, connecting external power source is to wear display device to power.But this method needs wearing display device
The extra power interface of upper setting or power line, product is not attractive in appearance, also add cost, and have impact on the portable of Consumer's Experience
Property.
The third, arrange jumbo battery in wearing display device, and the electric energy using battery storage is to wear display
Equipment is powered.But put into battery to wear and easily cause equipment heating in display device, Consumer's Experience is bad, and equipment mistake
Heat or the bad personal safety being likely to threaten user of battery quality.
Utility model content
The utility model provide a kind of wear display electric power system so that wear display device do not need to arrange extra
Power interface or power line, you can obtain working power from the power supply unit wearing display electric power system, wear display device
Do not consume the electric energy of the battery of portable terminal, can extend and wear the time that display device and portable terminal collocation use.
The utility model provides one kind and wears display electric power system, including wearing display device, portable terminal and confession
Electric equipment；
Described power supply unit includes the first communication interface and the second communication interface, and described first communication interface is used for connecting institute
State portable terminal, described second communication interface be used for connecting described in wear display device；
It is provided with data channel, by described data channel between described first communication interface and described second communication interface
Row data communication is directly entered between described helmet and described portable terminal；
When described power supply unit be simultaneously connected with described portable terminal and described wear display device when, described power supply unit
Powered for described display device of wearing by described second communication interface；
When described power supply unit only connects described portable terminal, described power supply unit is by described first communication interface
Power for described portable terminal.
Alternatively, described power supply unit includes the housing being made up of upper casing and lower casing, is provided with pcb board and in housing
One internal battery, described pcb board is provided with the first charging management chip and charging inlet, and described charging inlet exposes housing
For connecting external power source；
Described first communication interface and described second communication interface are arranged on described pcb board, respectively with described first
Charging management chip is connected and exposes housing；
When described charging inlet is not connected with external power source, described first charging management chip is from described first internal battery
Power taking, is described portable terminal or described display device of wearing is powered；
Described charging inlet connect external power source when, described first charging management chip directly from external power source power taking,
It is described portable terminal or described display device of wearing is powered, charge for described first internal battery simultaneously.
Alternatively, described first communication interface and described second communication interface are USB Type-C interface, described portable
Formula terminal is the smart mobile phone or panel computer with USB Type-C interface, and described wearing is provided with USB on display device
Type-C interface.
Alternatively, described power supply unit is battery back splint, has approximate profile with described portable terminal；
The both sides of the edge of described power supply unit are provided with fixed structure, described portable for being fixed on described power supply unit
The back side of formula terminal.
Alternatively, described portable terminal is provided with USB Type-C female seat, described wearing is provided with display device
USB Type-C male with cable；
Described first communication interface is USB Type-C male, is arranged on the upper surface of described power supply unit upper casing, in institute
When stating the back side that power supply unit is fixed on described portable terminal, described first communication interface inserts described portable terminal
USB Type-C female seat；
Described second communication interface is USB Type-C female seat, is arranged on an end face of described power supply unit housing, uses
In the described USB Type-C male insertion wearing display device；
Described charging inlet is Micro USB interface, is arranged on a side of described power supply unit housing.
Alternatively, described power supply unit also includes ON-OFF control circuit；
Described ON-OFF control circuit, for detecting described second communication interface wears display device described in whether being connected to；
When wearing display device described in described second communication interface is detected and being connected to, control described first communication interface and described the
Circuit between one charging management chip disconnects；When detect described second communication interface be not attached to described in wear display device
When, control the circuit ON between described first communication interface and described first charging management chip.
Alternatively, described ON-OFF control circuit includes PMOS, triode, key switch, first resistor and second resistance；
The base stage of the first described triode of termination of described key switch, and connect described first by described first resistor and fill
The power output end of electric managing chip, the second end ground connection of described key switch；
The colelctor electrode of described triode connects the grid of described PMOS, the grounded emitter of described triode；Described PMOS
The source electrode of pipe connects the power output end of described charging management chip, and drain electrode connects described first communication interface；Described second resistance
Two ends connect source electrode and the grid of described PMOS respectively；
When wearing display device described in described second communication interface is connected to, described key switch is in an ON state；
When wearing display device described in described second communication interface is not attached to, described key switch is off.
Alternatively, 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.
Alternatively, described wearing is provided with power module in display device；
When described wear display device by described second communication interface connect described power supply unit when, described power module
Obtain working power from described power supply unit, wear each module for power supply in display device for described.
Alternatively, described wearing is additionally provided with the second charging management chip and the second internal battery in display device, described
Second charging management chip connects described second communication interface, described second internal battery and described power module respectively；
When described wear display device by described second communication interface connect described power supply unit when, described second charging
Managing chip, from described power supply unit power taking, is that described second internal battery charges；
When described wear display device by described second communication interface connect described power supply unit when, described second fills
Electric managing chip, from described second internal battery power taking, is that described power module is powered.
The beneficial effects of the utility model are：What the utility model provided wear display electric power system includes wearing display and sets
Standby, portable terminal and power supply unit, power supply unit passes through the first communication interface and connects portable terminal, is connect by the second communication
Mouth connects wears display device, and when power supply unit is simultaneously connected with portable terminal and wears display device, power supply unit is head
Wear display device to power, wear the electric energy that display device no longer consumes the battery of portable terminal, extend and wear display device
The time using with portable terminal collocation.It is provided with data path between first communication interface and the second communication interface, permissible
Realize portable terminal and wear direction communication between display device, when power supply unit is simultaneously connected with portable terminal and wears
During display device, power supply unit does not affect to wear display device and portable terminal collocation use, when entering row data communication, head
Wear display device and be connected to power supply unit and be equivalent to and be simultaneously connected to portable terminal, therefore wearing display device does not need to arrange
Extra power interface or power line.When power supply unit only connects portable terminal, power supply unit is powered for portable terminal,
The cruising time of portable terminal itself can be extended again.
In a preferred embodiment, two communication interfaces of power supply unit are all using the interface of USB Type-C type, permissible
Power with larger electric current for portable terminal or power for wearing display device, and USB Type-C interface can pass simultaneously
Defeated Displayport data and usb data, are made to wear display device and are only connect using a cable, by a USB Type-C
The audio-video signal that mouth can be realized obtaining Displayport form from portable terminal simultaneously interacts USB with portable terminal
The data-signal of form, from power supply unit obtain working power.
In a further preferred embodiment, power supply unit is battery back splint, has match with portable terminal outer
Power supply unit can be fixed on the back side of portable terminal by shape by the fixed structure of the edge setting of power supply unit upper casing,
Enhance and wear the overall portability of display electric power system.
Brief description
Fig. 1 is the composition frame chart wearing display electric power system that one embodiment of the utility model provides；
Fig. 2 is the functional block diagram wearing power supply unit in display electric power system that one embodiment of the utility model provides；
Fig. 3 is the outside drawing wearing power supply unit in display electric power system that one embodiment of the utility model provides；
Fig. 4 is the switch control rule electricity wearing power supply unit in display electric power system that one embodiment of the utility model provides
The circuit diagram on road；
Fig. 5 is that wearing of one embodiment offer of the utility model shows the functional block wearing display device in electric power system
Figure.
Specific embodiment
Design concept of the present utility model is：It is connected to using a power supply unit and wear display device and portable terminal
Between, it is to wear display device to power by power supply unit, wear the electric energy that display device no longer consumes the battery of portable terminal,
Extend and wear the time that display device and portable terminal collocation use.In power supply unit internal setting data path, realize just
Take formula terminal and wear direction communication between display device, make power supply unit not affect to wear display device and portable terminal
Collocation uses, and when entering row data communication, wears display device and is connected to power supply unit and is equivalent to and be simultaneously connected to portable terminal
End, wearing display device does not need to arrange extra power interface or power line.
Fig. 1 is the structural representation wearing display electric power system that one embodiment of the utility model provides, as Fig. 1 institute
Show, the display electric power system of wearing of the present embodiment offer includes wearing display device 110, portable terminal 120 and power supply unit
130.
First communication interface 131 and the second communication interface 132 are provided with power supply unit 130, the first communication interface 131 is used
In connecting portable terminal 120, the second communication interface 132 wears display device 110 for connection.
It is provided with data channel, portable terminal 120 is permissible between first communication interface 131 and the second communication interface 132
Row data communication is directly entered with wearing display device 110 by this data channel.
When power supply unit 130 is simultaneously connected with portable terminal 120 and wears display device 110, power supply unit 130 passes through
Second communication interface 132 is to wear display device 110 to power, and now helmet 110 no longer consumes the electricity of portable terminal 120
The electric energy in pond, can extend and wear the time that display device and portable terminal collocation use.Wear display device 110 and pass through the
Data channel between one communication interface 131 and the second communication interface 132, obtains audio-video signal from portable terminal 120
And with portable terminal 120 interaction control data, in this course, wear display device 110 and be equivalent to and be directly connected to
120, power supply unit 130 does not interfere with wears display device 110 and portable terminal collocation use.Wear on display device 110
Only need to arrange a communication interface or a cable is connected to the second communication interface 132 on power supply unit 130, you can simultaneously
Realize the connection with portable terminal 120, wear and extra power interface or power line need not be arranged on display device 110.
When power supply unit 130 only connects portable terminal 120, power supply unit 130 can pass through the first communication interface 131
Power for portable terminal 120, extend portable terminal 120 cruising time of itself.
Certainly, power supply unit 130 only can also wear display device by the second communication interface 132 connection, although now
Wear display device possibly cannot normal work, but if wear the self-powered managing chip of display device 110 and in-built electrical
Pond, power supply unit 130 can be that the internal battery wearing display device 110 charges, in order to wear display device 110 obstructed
When crossing power supply unit 130 and being directly connected to portable terminal 120, it is possible to achieve self-powered.
Fig. 2 is the functional block diagram wearing power supply unit in display electric power system that one embodiment of the utility model provides,
As shown in Fig. 2 power supply unit 210 includes the housing being made up of upper casing and lower casing, it is provided with pcb board and first built-in in housing
Battery 211, pcb board is provided with the first charging management chip 212 and charging inlet 213, and charging inlet 213 exposes housing and uses
In connection external power source 220.First communication interface 214 and the second communication interface 215 are arranged on pcb board, respectively with first
Charging management chip 212 is connected and exposes housing.
When charging inlet 213 is not connected with external power source 220, the first charging management chip 212 is from the first internal battery 211
Power taking, for be connected to the portable terminal of the first communication interface 214 or be connected to the second communication interface 215 wear display device
Power supply.
When charging inlet 220 connects external power source 220, the first charging management chip 212 directly takes from external power source 220
Electricity, is the portable terminal being connected to the first communication interface 214 or the display device of wearing being connected to the second communication interface 215 supplies
Electricity, and charge for the first internal battery 211 simultaneously.
Preferably, the first communication interface 214 and the second communication interface 215 are USB Type-C interface, are connected to first
The portable terminal of communication interface 214 is the smart mobile phone or panel computer with USB Type-C interface, is connected to second and leads to
Wearing of interface 215 of letter is also equipped with USB Type-C interface on 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 214 and
Two communication interfaces 215, all using USB Type-C interface, with larger electric current as portable terminal or can wear display device
Power supply, and USB Type-C interface can make head with simultaneous transmission Displayport audio-video signal and usb data signal
Wear display device only can realize obtaining from portable terminal using a cable, by a USB Type-C interface simultaneously
The audio-video signal of Displayport form is interacted the data-signal of USB format, obtains from power supply unit with portable terminal
Take working power.
Fig. 3 is the outside drawing wearing power supply unit in display electric power system that one embodiment of the utility model provides, excellent
Selection of land, as shown in figure 3, power supply unit is battery back splint, has the profile matching with portable terminal, that is, of the present utility model
Power supply unit has both the containment vessel of portable terminal and the function of external battery.The edge of power supply unit upper casing is provided with fixed knot
Structure 310, this fixed structure can be in multiple buckle structures of edge scattering device of upper casing or to be arranged on
The ferrule structure of one or more sides of shell or the cooperation of buckle structure and ferrule structure.Fixed structure 310 is permissible
Power supply unit is fixed on the back side of portable terminal, so that power supply unit is easy to carry.
Specifically, the first communication interface 214 is USB Type-C male, is arranged on the upper surface of power supply unit upper casing,
When power supply unit is fixed on the back side of portable terminal, the first communication interface may be inserted into the USB of setting on portable terminal
Type-C female seat.
Specifically, the second communication interface 115 is USB Type-C female seat, is arranged on an end face of power supply unit housing,
On external equipment, the USB Type-C male with cable of setting may be inserted into this female seat, realizes the connection with power supply unit.
In addition, charging inlet 213 be Micro USB interface, be arranged on a side of power supply unit housing, in order to for
First internal battery 211 of power supply unit charges.When charging inlet 213 is not connected with external power source 220, power supply unit utilizes
The electric energy that one internal battery 211 provides is portable terminal or wears display device and power.When charging inlet 213 connects external electrical
During source 220, electric energy that power supply unit is provided using external power source 220 is directly portable terminal or wears display device and power,
Charge for the first internal battery 211 simultaneously.
Preferably, the pcb board of power supply unit is additionally provided with ON-OFF control circuit 216.ON-OFF control circuit 216 is used for examining
Gauge head wears whether display device is connected to the second communication interface 215.
When detect wear display device and be connected to the second communication interface 215 when, ON-OFF control circuit 216 controls first to lead to
Circuit between letter interface 214 and the first charging management chip 212 disconnects, and it is aobvious for wearing that power supply unit passes through the second communication interface
Show that equipment is powered, wear the electric energy that display device no longer consumes the battery of portable terminal, can extend wear display device with
The time that portable terminal collocation uses.
When detect wear display device and be not attached to the second communication interface 215 when, ON-OFF control circuit 216 controls first
Circuit ON between communication interface 214 and the first charging management chip 212, power supply unit by the first communication interface 214 is
Portable terminal is powered, and extends the cruising time of portable terminal itself.
Fig. 4 is the switch control rule electricity wearing power supply unit in display electric power system that one embodiment of the utility model provides
The circuit diagram on road.As shown in figure 4, the ON-OFF control circuit in this preferred embodiment includes PMOS Q1, triode Q2, button are opened
Close SW, first resistor R1 and second resistance R2.
The base stage of the first termination triode Q2 of key switch SW, and the first charging management chip is connect by first resistor R1
Power output end, key switch SW second end ground connection.The colelctor electrode of triode Q2 meets the grid of PMOS Q1, triode Q2
Grounded emitter.The source electrode of PMOS Q1 connects the power output end filling the first electric managing 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 wearing display device and being connected to the second communication interface, key switch SW in an ON state, triode Q2's
Base earth, triode Q2 ends, thus PMOS Q1 is also switched off, between the first communication interface and the first charging management chip
Circuit disconnects.
When wearing display device and being not attached to the second communication interface, key switch SW is off, triode Q2
Base stage connects the power output end of power management chip by first resistor R1, is high voltage, and triode Q2 turns on, PMOS Q1
Grounded-grid, therefore PMOS Q1 are also switched on, the circuit turn-on between the first communication interface and the first 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 connects portable terminal, prevents the power supply of portable terminal from pouring in down a chimney, damages power supply unit.
Fig. 5 is that wearing of one embodiment offer of the utility model shows the functional block wearing display device in electric power system
Figure.As shown in figure 5, wearing display device to be connected to the second of power supply unit by the communication interface 501 of USB Type-C type
Communication interface, by the data channel between the first communication interface and the second communication interface, receives what portable terminal sent
The audio, video data of Displayport type, the audio, video data of Displayport type is changed by signal conversion module 502
Vision signal and audio signal for being suitable for LCD display 503 and audio jack 505 (need audio decoder chip 504 that audio frequency is believed
Number be decoded), microcontroller 506 be responsible for by the data channel between the first communication interface and the second communication interface with portable
Formula terminal interaction control data, including the data of sensor 507 collection.
Preferably, wear in display device and be additionally provided with power module 508, be connected to power supply unit when wearing display device
The second communication interface when, power module 508 obtains working power from power supply unit, for wearing each module in display device
Power supply.
It is further preferred that wear being additionally provided with the second charging management chip 509 and the second internal battery in display device
510, the second charging management chip 509 connection communication interface 501, the second internal battery 510 and power module 508 respectively.
When wearing the second communication interface that display device connects power supply unit by communication interface 501, the second charging valve
Reason chip 509, from power supply unit power taking, is that the second internal battery 510 charges.
When wearing the second communication interface that display device does not pass through communication interface 501 connection power supply unit, the second charging
Managing chip 509, from the second internal battery power taking 510, is that power module 508 is powered, and makes to wear display device and possesses and supplies for itself
The ability of electricity, can extend to a certain extent and wear the time that display device is used with portable terminal collocation.This practicality is new
It is to wear display device to power it is generally the case that the second internal battery that the electric power system that type provides mainly uses power supply unit
510 capacity is less, mainly prevents the connection worn between display device and power supply unit from surprisingly disconnecting, prevents from wearing display
The equipment fault that the unexpected power-off of equipment is likely to result in, the therefore second internal battery 510 does not result in apparatus overheat impact user's body
The problem tested.
In sum, the display electric power system of wearing of the utility model offer includes wearing display device, portable terminal
And power supply unit, power supply unit passes through the first communication interface and connects portable terminal, is worn aobvious by the second communication interface connection
Show that equipment is, when power supply unit is simultaneously connected with portable terminal and wears display device, power supply unit is worn display device and supplied
Electricity, wears the electric energy that display device no longer consumes the battery of portable terminal, extends and wear display device and portable terminal
The time that collocation uses.It is provided with data path, it is possible to achieve portable terminal between first communication interface and the second communication interface
Hold and wear the direction communication between display device, when power supply unit is simultaneously connected with portable terminal and wears display device,
Power supply unit does not affect to wear display device and portable terminal collocation use, when entering row data communication, wears display device
It is connected to power supply unit and is equivalent to and be simultaneously connected to portable terminal, therefore wearing display device does not need to arrange extra power supply
Interface or power line.When power supply unit only connects portable terminal, power supply unit is powered for portable terminal, can extend again
The cruising time of portable terminal itself.
Secondly, two communication interfaces of power supply unit, can be with larger electricity all using the interface of USB Type-C type
Flow and power for portable terminal or power for wearing display device, and USB Type-C interface can be with simultaneous transmission
Displayport data and usb data, make to wear display device only using a cable, by a USB Type-C interface
The audio-video signal that can simultaneously realize obtaining Displayport form from portable terminal interacts USB lattice with portable terminal
The data-signal of formula, from power supply unit obtain working power.
Finally, 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 and wear display power supply system
The overall portability of system.
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. one kind wears display electric power system it is characterised in that including wearing display device, portable terminal and power supply unit；
Described power supply unit includes the first communication interface and the second communication interface, described first communication interface be used for connecting described in just
Take formula terminal, described second communication interface be used for connecting described in wear display device；
It is provided with data channel, by described in described data channel between described first communication interface and described second communication interface
Wear and between display device and described portable terminal, directly enter row data communication；
When described power supply unit be simultaneously connected with described portable terminal and described wear display device when, described power supply unit passes through
Described second communication interface is powered for described display device of wearing；
When described power supply unit only connects described portable terminal, described power supply unit is institute by described first communication interface
State portable terminal to power.
2. as claimed in claim 1 wear display electric power system it is characterised in that
Described power supply unit includes the housing being made up of upper casing and lower casing, is provided with pcb board and the first internal battery in housing,
First charging management chip and charging inlet are provided with described pcb board, and described charging inlet exposes housing and is used for connecting outward
Portion's power supply；
Described first communication interface and described second communication interface are arranged on described pcb board, respectively with the described first charging
Managing chip is connected and exposes housing；
When described charging inlet is not connected with external power source, described first charging management chip takes from described first internal battery
Electricity, is described portable terminal or described display device of wearing is powered；
When described charging inlet connects external power source, described first charging management chip, directly from external power source power taking, is institute
State portable terminal or described display device of wearing is powered, charge for described first internal battery simultaneously.
3. wear display electric power system as claimed in claim 2 it is characterised in that described first communication interface and described second
Communication interface is USB Type-C interface, and described portable terminal is the smart mobile phone or flat board with USB Type-C interface
Computer, described wearing is provided with USB Type-C interface on display device.
4. wear display electric power system as claimed in claim 3 it is characterised in that described power supply unit is battery back splint, with
Described portable terminal has approximate profile；
The both sides of the edge of described power supply unit are provided with fixed structure, described portable for being fixed on described power supply unit
The back side of terminal.
5. as claimed in claim 4 wear display electric power system it is characterised in that
USB Type-C female seat is provided with described portable terminal, described wearing is provided with cable on display device
USB Type-C male；
Described first communication interface is USB Type-C male, is arranged on the upper surface of described power supply unit upper casing, in described confession
When electric equipment is fixed on the back side of described portable terminal, described first communication interface inserts the USB of described portable terminal
Type-C female seat；
Described second communication interface is USB Type-C female seat, is arranged on an end face of described power supply unit housing, for institute
State the USB Type-C male insertion wearing display device；
Described charging inlet is Micro USB interface, is arranged on a side of described power supply unit housing.
6. wear display electric power system as claimed in claim 5 it is characterised in that described power supply unit also includes switch control rule
Circuit；
Described ON-OFF control circuit, for detecting described second communication interface wears display device described in whether being connected to；Work as inspection
Measure described second communication interface be connected to described in when wearing display device, control described first communication interface and described first to fill
Circuit between electric managing chip disconnects；When wearing display device described in described second communication interface is detected and being not attached to,
Control the circuit ON between described first communication interface and described first charging management chip.
7. wear display electric power system as claimed in claim 6 it is characterised in that described ON-OFF control circuit includes PMOS
Pipe, triode, key switch, first resistor and second resistance；
The base stage of the first described triode of termination of described key switch, and described first 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 triode connects the grid of described PMOS, the grounded emitter of described triode；Described PMOS
Source electrode 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 wearing display device described in described second communication interface is connected to, described key switch is in an ON state；Work as institute
State the second communication interface be not attached to described in when wearing display device, described key switch is off.
8. wear display electric power system as claimed in claim 7 it is characterised in that described ON-OFF control circuit also includes two
Pole pipe；
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.
9. wear display electric power system as claimed in claim 5 it is characterised in that described wearing is provided with electricity in display device
Source module；
When described wear display device by described second communication interface connect described power supply unit when, described power module is from institute
State acquisition working power in power supply unit, wear each module for power supply in display device for described.
10. wear display electric power system as claimed in claim 9 it is characterised in that described wearing in display device also sets up
There are the second charging management chip and the second internal battery, described second charging management chip connects described second communication respectively and connects
Mouth, described second internal battery and described power module；
When described wear display device by described second communication interface connect described power supply unit when, described second Charge Management
Chip, from described power supply unit power taking, is that described second internal battery charges；
When described wear display device by described second communication interface connect described power supply unit when, described second charging valve
Reason chip, from described second internal battery power taking, is that described power module is powered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620824638.1U CN205960698U (en) | 2016-07-29 | 2016-07-29 | Wear and show power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620824638.1U CN205960698U (en) | 2016-07-29 | 2016-07-29 | Wear and show power supply system |
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| CN205960698U true CN205960698U (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620824638.1U Active CN205960698U (en) | 2016-07-29 | 2016-07-29 | Wear and show power supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059012A (en) * | 2016-07-29 | 2016-10-26 | 北京小鸟看看科技有限公司 | Head-mounted display power supply system |
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2016
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059012A (en) * | 2016-07-29 | 2016-10-26 | 北京小鸟看看科技有限公司 | Head-mounted display power supply system |
| US10291057B2 (en) | 2016-07-29 | 2019-05-14 | Beijing Pico Technology Co., Ltd. | Head-wearable displaying and powering system |
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