CN105429247A - Charging apparatus for VR eyeglasses and mobile terminal - Google Patents
Charging apparatus for VR eyeglasses and mobile terminal Download PDFInfo
- Publication number
- CN105429247A CN105429247A CN201610017995.1A CN201610017995A CN105429247A CN 105429247 A CN105429247 A CN 105429247A CN 201610017995 A CN201610017995 A CN 201610017995A CN 105429247 A CN105429247 A CN 105429247A
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- mobile terminal
- glasses
- electrically connected
- charging
- external power
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- 239000011521 glass Substances 0.000 claims description 100
- 230000005669 field effect Effects 0.000 claims description 30
- 238000004146 energy storage Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- H02J7/0027—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
Abstract
The invention discloses a charging apparatus for VR eyeglasses and a mobile terminal. The charging apparatus comprises a mobile terminal USB interface, a VR eyeglass charge interface and an external power supply device. The mobile terminal USB interface supplies power to the VR eyeglasses through the external power supply device; or the mobile terminal USB interface is electrically connected with the VR eyeglass charge interface to enable the mobile terminal to supply power to the VR eyeglasses; an ID switching unit is electrically connected with a mobile terminal wiring port and a VR eyeglass end wiring port; and the ID switching unit sets external source voltages into mobile terminal charge voltages and VR eyeglass power supply voltages, charges the mobile terminal through the mobile terminal wiring port and charges the VR eyeglasses through the VR eyeglass end wiring port. According to the invention, the mobile terminal is prevented from charge failure due to too low voltages, caused by a voltage drop generated when currents flow through a diode due to high impedance of the diode, and a user can also charge the mobile terminal while playing games.
Description
Technical field
The present invention relates to VR eyewear art, particularly relate to the charging device of a kind of VR glasses and mobile terminal.
Background technology
VR glasses outside is provided with USB charging inlet, when brownout, can realize charge function.Generally, mobile phone is connected with VR glasses, and mobile phone is the main board power supply of VR glasses by USB interface.When mobile phone electric power is not enough, can be connected with external power source by the USB interface on VR glasses, electric current is entered by USB interface, while mobile phone charging, powers to VR glasses.
Traditional way installs diode in charging inlet position, can produce one-way conduction, reverse cutoff function, but diode can produce pressure drop and power consumption, electric current, through producing 0.35V pressure drop, can make the voltage of mobile phone terminal and VR glasses end lower than 4.5V, cause charging.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the object of the invention is to, the charging device of a kind of VR glasses and mobile terminal being provided, comprising: mobile terminal USB interface, VR glasses charging inlet, external powering device;
Described external powering device comprises: mobile terminal connection jaws, VR glasses terminated line mouth, external power connection jaws and ID switch unit;
Described mobile terminal USB interface is electrically connected with described mobile terminal connection jaws, and described VR glasses charging inlet is electrically connected with described VR glasses terminated line mouth, and described mobile terminal USB interface is powered to VR glasses by described external powering device; Or described mobile terminal USB interface is electrically connected with described VR glasses charging inlet, makes mobile terminal power to VR glasses;
Described ID switch unit output is electrically connected with mobile terminal connection jaws and VR glasses terminated line mouth respectively, described external power connection jaws output is electrically connected with ID switch unit input, external power connection jaws input is connected with external power, ID switch unit is used for external reference voltages to adjust as mobile terminal charging voltage and VR glasses supply power voltage, and charged to mobile terminal by mobile terminal connection jaws, powered to VR glasses by VR glasses terminated line mouth.
Preferably, also comprise: control switch;
The input of described control switch is electrically connected with external powering device, the output of described control switch is electrically connected with mobile terminal USB interface, VR glasses charging inlet respectively, and described control switch is used for controlling between external powering device and mobile terminal respectively and the break-make controlled between external powering device and VR glasses.
Preferably, also comprise: pressurizer;
Described pressurizer is electrically connected with VR glasses terminated line mouth, for making VR glasses terminated line mouth be electrically connected with mobile terminal USB interface by described pressurizer, or VR glasses terminated line mouth is electrically connected with external powering device with described control switch respectively by described pressurizer.
Preferably, described mobile terminal is provided with energy storage equipment, OTG module and AOA module;
The OTG module of described mobile terminal is used for powering to VR glasses;
The AOA module of described mobile terminal is used for charging to energy storage equipment.
Preferably, described AOA module is provided with charging circuit, and charging circuit comprises: field effect transistor one, field effect transistor two, inductance and electric capacity three;
Described inductance and electric capacity three form LC oscillating circuit;
Described field effect transistor one drain electrode is connected with the grid of field effect transistor two, and described field effect transistor one source pole ground connection, the source electrode of field effect transistor two is electrically connected with energy storage equipment, and the drain electrode of field effect transistor two is connected with mobile terminal USB interface by LC oscillating circuit.
Preferably, described ID switch unit comprises: voltage high module;
Described voltage high module is used for when external power is by external power connection jaws access external powering device, and mobile terminal connection jaws voltage is raised, and external power charges to mobile terminal.
Preferably, described ID switch unit comprises: supply module;
Described supply module is used for, when external power is by external power connection jaws access external powering device, external power being powered to VR glasses by VR glasses terminated line mouth.
Preferably, described ID switch unit comprises: voltage drags down module;
Described voltage drags down module for when mobile terminal connection jaws voltage is dragged down, and the VR glasses of giving of described mobile terminal are powered.
Preferably, described mobile terminal is mobile phone or notebook or panel computer or POS or vehicle-mounted computer.
As can be seen from the above technical solutions, the present invention has the following advantages:
Mobile terminal USB interface is powered to VR glasses by external powering device, and the ID switch unit of external powering device is electrically connected with mobile terminal connection jaws and VR glasses terminated line mouth respectively; External reference voltages is adjusted as mobile terminal charging voltage and VR glasses supply power voltage by ID switch unit, and charged to mobile terminal by mobile terminal connection jaws, powered to VR glasses by VR glasses terminated line mouth, this avoid because diode impedance is high, make electric current can produce pressure drop through diode, cause the brownout to mobile terminal and can not fill electricity, user can also be allowed to play games and charge.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in description below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the overall schematic of the charging device of VR glasses and mobile terminal;
Fig. 2 is the embodiment schematic diagram of the charging device of VR glasses and mobile terminal;
Fig. 3 is the embodiment schematic diagram of VR glasses and mobile terminal;
Fig. 4 is the circuit diagram of mobile terminal data transmission circuit;
Fig. 5 is the circuit diagram of mobile terminal charging circuit.
Embodiment
For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable; specific embodiment and accompanying drawing will be used below; the technical scheme of the present invention's protection is clearly and completely described; obviously; the embodiments described below are only the present invention's part embodiments, and the embodiment of not all.Based on the embodiment in this patent, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of this patent protection.
The present embodiment provides the charging device of a kind of VR glasses and mobile terminal, as shown in Figure 1, comprising: mobile terminal USB interface 1, VR glasses charging inlet 3, external powering device 2;
External powering device 2 comprises: mobile terminal connection jaws 21, VR glasses terminated line mouth 22, external power connection jaws 24 and ID switch unit 23;
Mobile terminal USB interface 1 is electrically connected with mobile terminal connection jaws 21, and VR glasses charging inlet 3 is electrically connected with VR glasses terminated line mouth 22, and mobile terminal USB interface 1 powers to VR glasses by external powering device 2; Or mobile terminal USB interface 1 is electrically connected with VR glasses charging inlet 3, mobile terminal is powered to VR glasses;
Be understandable that, mobile terminal comprises two kinds to VR glasses supply power mode, and one is that mobile terminal USB interface 1 is electrically connected with VR glasses charging inlet 3; Another kind is that mobile terminal is connected with external powering device 2 respectively with VR glasses, by external powering device 2, mobile terminal is powered to VR glasses.
ID switch unit is electrically connected with mobile terminal connection jaws 21 and VR glasses terminated line mouth 22 respectively;
External power connection jaws 24 output is electrically connected with ID switch unit 23, external power connection jaws 24 input is connected with external power 25, ID switch unit 23 is for adjusting as mobile terminal charging voltage and VR glasses supply power voltage by external reference voltages, and by mobile terminal connection jaws 21 to mobile terminal charging, power to VR glasses by VR glasses terminated line mouth 22.This avoid because diode impedance is high, make electric current can produce pressure drop through diode, cause the brownout to mobile terminal and can not fill electricity.
In the present embodiment, mobile terminal comprises mobile phone, notebook, panel computer, POS and vehicle-mounted computer.
In the present embodiment, as shown in Figure 2 and Figure 3, also comprise: control switch 4;
The input of control switch 4 is electrically connected with external powering device 2, the output of control switch 4 is electrically connected with mobile terminal USB interface 1, VR glasses charging inlet 3 respectively, and control switch 4 is for controlling between external powering device 2 and mobile terminal respectively and the break-make controlled between external powering device 2 and VR glasses.
Control switch 4 adopts mains switch IC.
In the present embodiment, in order to ensure the voltage stability that mobile terminal is powered to VR glasses, ensureing the stable operation of VR glasses, also comprising: pressurizer 5; Pressurizer 5 is electrically connected with VR glasses terminated line mouth 3, be electrically connected with mobile terminal USB interface 1 by pressurizer 5 for making VR glasses terminated line mouth 3, or VR glasses terminated line mouth 3 is electrically connected with VR glasses terminated line mouth 3 by pressurizer 5, or VR glasses terminated line mouth 3 is electrically connected with control switch 4 by pressurizer 5.
In the present embodiment, ID switch unit 23 comprises: voltage high module;
Voltage high module is used for accessing external powering device 2 when external power 25 by external power connection jaws 24, and mobile terminal connection jaws 1 voltage is raised, and external power 25 pairs of mobile terminals charge.
Concrete, when the voltage of mobile terminal is lower than setting threshold, mobile terminal is under-voltage condition, needs to charge to mobile terminal.Because mobile terminal is lower than setting threshold, VR glasses cannot be given and power.External power 25 accesses external powering device 2 by external power connection jaws 24, and mobile terminal connection jaws 1 voltage is raised, and external power 25 pairs of mobile terminals charge.
ID switch unit 23 comprises: supply module; Supply module is used for accessing external powering device 2 when external power 25 by external power connection jaws 24, and external power 25 is powered to VR glasses by VR glasses terminated line mouth 3.
While external power 25 pairs of mobile terminals charge, external power 25 is powered to VR glasses by VR glasses terminated line mouth 3.Concrete, charging voltage and the external power 25 of external power 25 pairs of mobile terminals carry out dividing potential drop respectively by ID switch unit 23 to the supply power voltage of VR glasses, and make charging voltage meet the charging voltage of mobile terminal, supply power voltage meets the supply power voltage of VR glasses.
In the present embodiment, ID switch unit comprises: voltage drags down module; Described voltage drags down module for when mobile terminal connection jaws voltage is dragged down, and the VR glasses of giving of described mobile terminal are powered.
In the present embodiment, data transmission circuit, as Fig. 4, comprising: transistor Q1, resistance three R3, resistance four R4; Transistor Q1 base stage is connected with the control module of mobile terminal, and transistor Q1 emitter is by resistance three R3 ground connection; Transistor Q1 collector electrode is by resistance four R4 ground connection.
The base stage of transistor Q1 is connected with the control chip of mobile terminal, makes transistor Q1 according to the control of mobile terminal control chip, sends video data to VR glasses.
In the present embodiment, as shown in Figure 5, AOA module is provided with charging circuit, and charging circuit comprises: field effect transistor 1, field effect transistor 2 13, inductance L and electric capacity three C3; Inductance L and electric capacity three C3 form LC oscillating circuit; When inductance L and electric capacity three C3 composition LC oscillating circuit can make external power charge to mobile terminal, reduce the ripple of charging voltage, ensure the stability of voltage.
Field effect transistor 1 drain electrode is connected with the grid of field effect transistor 2 13, and field effect transistor 1 source ground, the source electrode of field effect transistor 2 13 is electrically connected with energy storage equipment 11, and the drain electrode of field effect transistor 2 13 is connected with mobile terminal USB interface 1 by LC oscillating circuit.
The grid of field effect transistor 1 is connected with the control chip of mobile terminal.Under non-charged state, field effect transistor 2 13 disconnects, when the control chip of mobile terminal detects that mobile terminal USB interface 1 is provided with charging voltage, the control chip of mobile terminal controls field effect transistor 1 conducting, field effect transistor 1 makes field effect transistor 2 13 conducting, and charging current gives the energy storage equipment charging of mobile terminal by field effect transistor 2 13.When energy storage equipment charging reaches setting electricity, the control chip of mobile terminal controls field effect transistor 1 and disconnects, and field effect transistor 1 controls field effect transistor 2 13 and disconnects, and makes the charging that external power 25 stops mobile terminal.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, identical similar portion reference mutually between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a charging device for VR glasses and mobile terminal, is characterized in that, comprising: mobile terminal USB interface, VR glasses charging inlet, external powering device;
Described external powering device comprises: mobile terminal connection jaws, VR glasses terminated line mouth, external power connection jaws and ID switch unit;
Described mobile terminal USB interface is electrically connected with described mobile terminal connection jaws, and described VR glasses charging inlet is electrically connected with described VR glasses terminated line mouth, and described mobile terminal USB interface is powered to VR glasses by described external powering device; Or described mobile terminal USB interface is electrically connected with described VR glasses charging inlet, makes mobile terminal power to VR glasses;
Described ID switch unit output is electrically connected with mobile terminal connection jaws and VR glasses terminated line mouth respectively, described external power connection jaws output is electrically connected with ID switch unit input, external power connection jaws input is connected with external power, ID switch unit is used for external reference voltages to adjust as mobile terminal charging voltage and VR glasses supply power voltage, and charged to mobile terminal by mobile terminal connection jaws, powered to VR glasses by VR glasses terminated line mouth.
2. the charging device of VR glasses according to claim 1 and mobile terminal, is characterized in that,
Also comprise: control switch;
The input of described control switch is electrically connected with external powering device, the output of described control switch is electrically connected with mobile terminal USB interface, VR glasses charging inlet respectively, and described control switch is used for controlling between external powering device and mobile terminal respectively and the break-make controlled between external powering device and VR glasses.
3. the charging device of VR glasses according to claim 2 and mobile terminal, is characterized in that,
Also comprise: pressurizer;
Described pressurizer is electrically connected with VR glasses terminated line mouth, for making VR glasses terminated line mouth be electrically connected with mobile terminal USB interface by described pressurizer, or VR glasses terminated line mouth is electrically connected with external powering device with described control switch respectively by described pressurizer.
4. the charging device of VR glasses according to claim 1 and mobile terminal, is characterized in that,
Described mobile terminal is provided with energy storage equipment, OTG module and AOA module;
The OTG module of described mobile terminal is used for powering to VR glasses;
The AOA module of described mobile terminal is used for charging to energy storage equipment.
5. the charging device of VR glasses according to claim 4 and mobile terminal, is characterized in that,
Described AOA module is provided with charging circuit, and charging circuit comprises: field effect transistor one, field effect transistor two, inductance and electric capacity three;
Described inductance and electric capacity three form LC oscillating circuit;
Described field effect transistor one drain electrode is connected with the grid of field effect transistor two, and described field effect transistor one source pole ground connection, the source electrode of field effect transistor two is electrically connected with energy storage equipment, and the drain electrode of field effect transistor two is connected with mobile terminal USB interface by LC oscillating circuit.
6. the charging device of VR glasses according to claim 1 and mobile terminal, is characterized in that,
Described ID switch unit comprises: voltage high module;
Described voltage high module is used for when external power is by external power connection jaws access external powering device, and mobile terminal connection jaws voltage is raised, and external power charges to mobile terminal.
7. the charging device of VR glasses according to claim 6 and mobile terminal, is characterized in that,
Described ID switch unit comprises: supply module;
Described supply module is used for, when external power is by external power connection jaws access external powering device, external power being powered to VR glasses by VR glasses terminated line mouth.
8. the charging device of VR glasses according to claim 1 and mobile terminal, is characterized in that,
Described ID switch unit comprises: voltage drags down module;
Described voltage drags down module for when mobile terminal connection jaws voltage is dragged down, and the VR glasses of giving of described mobile terminal are powered.
9. the charging device of VR glasses according to claim 1 and mobile terminal, is characterized in that,
Described mobile terminal is mobile phone or notebook or panel computer or POS or vehicle-mounted computer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610017995.1A CN105429247B (en) | 2016-01-12 | 2016-01-12 | A kind of charging device of VR glasses and mobile terminal |
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| CN201610017995.1A CN105429247B (en) | 2016-01-12 | 2016-01-12 | A kind of charging device of VR glasses and mobile terminal |
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