CN209297033U - A kind of power supply unit and headset equipment - Google Patents
A kind of power supply unit and headset equipment Download PDFInfo
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- CN209297033U CN209297033U CN201821877272.XU CN201821877272U CN209297033U CN 209297033 U CN209297033 U CN 209297033U CN 201821877272 U CN201821877272 U CN 201821877272U CN 209297033 U CN209297033 U CN 209297033U
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- power supply
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- supply unit
- headset equipment
- voltage
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- 239000003990 capacitor Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 6
- 230000006837 decompression Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000003190 augmentative effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model provides a kind of power supply unit for powering for headset equipment, wherein the power supply unit includes power supply interface, reduction voltage circuit and false battery circuit；Wherein, the power supply interface is used to obtain the identification information and temperature parameter of false battery for connecting charger baby, the reduction voltage circuit for reducing the voltage inputted from the charger baby, the vacation battery circuit.Scheme according to the present utility model, it can be realized based on the power supply unit through external charger baby and power for headset equipment, thus setting internal battery is no longer needed in headset equipment, so as to solve to be powered brought a series of problems using internal battery.
Description
Technical field
The utility model relates to wearable device field more particularly to a kind of power supply units and headset equipment.
Background technique
In recent years, headset equipment is always hot topic, is also proposed many application products, such as VR in the market
(Virtual Reality, virtual reality) headset equipment, AR (Augmented Reality, augmented reality) wear-type are set
Standby, MR (Mixed Reality, mixed reality) headset equipment.
In the prior art, headset equipment generallys use the power supply plan of internal battery.For example, lithium battery is passed through structure
Part is fixed on headset equipment (such as VR all-in-one machine) inside, and user is worn on head when using headset equipment, is worn
Formula equipment by built-in lithium battery come when powering for it, and needing to charge then by the charging interface in headset equipment to lithium
Battery charges.
However, the power supply plan of above-mentioned internal battery can bring more problem, this makes battery have become headset equipment
Design bottleneck.Problem brought by the power supply plan of internal battery is mainly reflected in the following aspects:
1) internal battery can obviously increase the weight of headset equipment, and since headset equipment must be worn on by user
It is used on head, so that the load of user's head is heavier, to seriously affect the usage experience of user.
2) headset equipment power consumption is larger, due to being limited to battery capacity and weight, so that headset equipment stand-by time
It is relatively short, universal only 3~4 hours；Also, with use the time extend, internal battery aging, headset equipment to
The machine time can fall sharply.
3) it is fixed on inside headset equipment due to battery by structural member, so that the disassembly and/or replacement of battery are extremely
Inconvenience, and some producers carry out adhesion reinforcing to internal battery using seccotine, this makes the disassembly of battery and/or replacement more
It is difficult.
4) some users may be used when using headset equipment in charging, however due to headset equipment
Power consumption is larger and is worn on user's head, and there may be the risks of explosion when individual cells quality defect, thus to user's
Personal safety brings hidden danger.
Utility model content
The purpose of the utility model is to provide it is a kind of for use charger baby be headset equipment power supply power supply unit with
And the headset equipment including the power supply unit.
One aspect according to the present utility model provides a kind of power supply unit for powering for headset equipment, wherein
The power supply unit includes power supply interface, reduction voltage circuit and false battery circuit；Wherein, the power supply interface is for connecting charging
Treasured, the reduction voltage circuit is for reducing the voltage inputted from the charger baby, and the vacation battery circuit is for obtaining false battery
Identification information and temperature parameter.
Other side according to the present utility model, provides a kind of headset equipment, and the headset equipment includes this reality
With the novel power supply unit.
Compared with prior art, the utility model is had the advantage that 1) to can be realized based on the power supply unit and be passed through
External charger baby is powered for headset equipment, setting internal battery is no longer needed in headset equipment, thus so as to solve
Brought a series of problems is certainly powered using internal battery；2) user can choose at random using different brands, difference
The charger baby product of capacity, may be not present the limitation of any pair of charger baby, and the very convenient carrying of charger baby, it is easy to connect can
It leans on, this brings great advantage to the user；3) when charger baby currently in use is out of power, there can be electricity with another at once
Charger baby replace, be recycled with this, to efficiently solve the problems, such as non-serviceable when internal battery charging, and worked as
It can also be convenient for changing at any time when charger baby aging.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the utility model
Other features, objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of the power supply unit of one preferred embodiment of the utility model；
Fig. 2 is the schematic diagram of one exemplary reduction voltage circuit of the utility model；
Fig. 3 is the schematic diagram of the utility model one exemplary false battery circuit.
The same or similar appended drawing reference represents the same or similar component in attached drawing.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the power supply unit of one preferred embodiment of the utility model.The power supply unit includes supplying
Electrical interface 101, reduction voltage circuit 102 and false battery circuit 103.Preferably, the power supply unit is inside the headset equipment
Mainboard on realize.
Wherein, the power supply interface 101 is that the wear-type is set to use the charger baby for connecting external charger baby
Available electricity, without using internal battery for headset equipment power supply.It should be noted that for the general of headset equipment
For platform (i.e. mainboard), generally can all there are multiple power inlets, such as DC-IN (DC supply input), (USB is defeated by USB_IN
Enter), VBATT_IN (battery input) etc., but in view of platform power main control chip can monitor battery status, and have partial circuit
It can fix and be powered using battery, it is therefore preferred that charger baby is when for headset equipment power supply from VBATT_IN in the present embodiment
Power supply port input.
It should be noted that jack type used in power supply interface 101 is not intended to limit in the present embodiment, that is, any
The jack type for being applicable to power supply interface 101 should be included in the protection scope of the present embodiment.As a preferred embodiment,
The power supply interface 101 uses USB Micro-B socket.It should be noted that being preferably based on to charge efficiency and data biography
The considerations of defeated rate, the general data transfer interface in headset equipment are usually that (Universal Serial Bus leads to USB
With universal serial bus) Type-C interface, furthermore in addition a power supply interface 101 is set in headset equipment (as using USB
The power supply interface of Micro-B socket) it is exclusively used in connecting with charger baby.
Wherein, by switching cable connection between charger baby and the power supply interface 101, one end of the switching cable is used
Output port in connection charger baby, the other end is for connecting the power supply interface 101.As an example, in charger baby
Output port use USB Type-A socket, the power supply interface 101 in headset equipment uses USB Micro-B socket, then
One end of switching cable uses USB Type-A plug to connect the output port in charger baby, and the other end uses USB Micro-
B plug is to connect the power supply interface 101 in headset equipment.Preferably, the length of the switching cable is 1m.Preferably, right
The power supply copper core of switching cable inner does overstriking processing, to avoid due to pressure drop and heat dissipation it is larger and adversely affect.With
Charger baby can be placed in human body pocket, loins, handbag or put nigh table conveniently by family when using headset equipment
Any positions are waited on chair platform, and charger baby is connected to the power supply interface 101 of headset equipment by cable of transferring.
Preferably, the power supply interface 101 is located at the rear of the headset equipment, to facilitate power supply precious and power supply interface
Connection between 101 and it can be avoided influence user's operation.
Wherein, the reduction voltage circuit 102 is for reducing the voltage inputted from the charger baby.In practical application scene, fill
Electric precious output voltage is generally fixed to 5V or more, and the usual platform cell inlet voltage of headset equipment is 3.7V or so,
And input voltage it is excessively high when have over-voltage power down protection, be based on this, the present embodiment designs on the mainboard inside headset equipment
One reduction voltage circuit 102 comes the voltage drop that charger baby inputs to platform power down to a suitable voltage value；It is preferred that
Ground, the reduction voltage circuit 102 is used for will be from the voltage drop that the charger baby inputs down to 4.2 volts.Preferably, it is contemplated that power supply
Transfer efficiency and heat dissipation problem are depressured chip using BUCK to realize the reduction voltage circuit 102.
Fig. 2 is the schematic diagram of the utility model one exemplary reduction voltage circuit 102.Wherein, which includes drop
Press chip, inductance L1, first resistor R1, second resistance R2,3rd resistor R3, first capacitor C1, the second capacitor C2, third capacitor
C3；Wherein, be depressured includes VIN pin (power input pin), EN (Enable) pin, PG (Power Good) pipe on chip
Foot, SW (Switch) pin, FB (Feedback) pin and GND (Ground) pin, VIN pin respectively with voltage input end VIN
It is connected with EN pin, the voltage inputted from charger baby is from VINAccess, VIN pin are grounded by C1, PG pin and voltage input end
VPGConnection, and PG pin passes through R3 and VINConnection, SW pin pass through L1 and voltage output end VOUTConnection is (by VOUTIt is exported
Voltage is the main board power supply of headset equipment), VOUTIt is grounded by C2, FB pin passes through R1 and VOUTIt connects and is grounded by R2,
And R1 is in parallel with C3, GND pin ground connection；Wherein, C3 is optional.
It should be noted that the technical solution of the utility model is only better described in the example above, rather than it is practical to this
Novel limitation, it should be appreciated by those skilled in the art that any voltage drop that can input charger baby is suitable down to one
The implementation of the reduction voltage circuit of voltage value should be included in the protection scope of reduction voltage circuit described in the utility model.
Wherein, the false battery circuit 103 is used to obtain the identification information and temperature parameter of false battery.It needs to illustrate
It is when headset equipment is powered using internal battery in the prior art, to need to carry out ID to true battery
(Identification, mark) and temperature detection, when battery is not in place or use battery temperature is exceeded, system can all be incited somebody to action
Platform power-off；And in the present embodiment, by realizing the false battery circuit 103 on the mainboard of headset equipment, can obtain
The identification information and temperature parameter for obtaining false battery, that is, making platform hypothetically think wear-type in the case where no battery
There is battery (also that is, false battery), this to no longer need to be arranged genuine battery in headset equipment in equipment.
Fig. 3 is the schematic diagram of the utility model one exemplary false battery circuit 103.Wherein, the false battery circuit 103
Including power management chip PMIC (Power Management Integrated Circuit, power management integrated circuit), partially
Set resistance R_THERM, thermistor NTC (Negative Temperature Coefficient, negative temperature coefficient), ground connection electricity
Hinder R_ID；Wherein, the power management chip includes BATT_ID pin for obtaining the identification information of false battery, for defeated
Bias voltage BATT_THERM_BIAS pin, the BATT_THERM for obtaining the temperature parameter of temperature detection needs out
Pin；Wherein, the BATT_ID pin is grounded by ground resistance R_ID, and biasing resistor R_THERM and thermistor NTC go here and there
Connection, the BATT_THERM_BIAS pin is connect by biasing resistor R_THERM with the BATT_THERM pin, described
BATT_THERM pin is grounded by thermistor NTC.
Wherein, BATT_ID pin obtains the identification information of false battery based on following principle: when BATT_ID pin detects
When pulling down ground resistance earth, it is believed that battery is in place, to obtain the identification information of false battery, (identification information be may preferably be
A pre-set fixed value)；Preferably, the resistance value of R_ID is 10k ohm, ground resistance can be placed on headset equipment
Mainboard on.
Wherein, BATT_THERM pin obtains the parameter of false battery based on following principle: BATT_THERM_BIAS pin is defeated
The bias voltage that temperature detection needs, biasing resistor R_THERM connect partial pressure with thermistor NTC out, voltage detecting input pipe
Foot BATT_THERM acquires input voltage, and collected input voltage is converted to temperature parameter；Preferably, biasing resistor R_
The resistance value of THERM is 10k ohm, and resistance value of the thermistor NTC at 25 ° of room temperature is 10k ohm.
It should be noted that the technical solution of the utility model is only better described in the example above, rather than it is practical to this
Novel limitation, it should be appreciated by those skilled in the art that any for obtaining the vacation of the identification information and temperature parameter of false battery
The implementation of battery circuit should be included in the protection scope of false battery circuit described in the utility model.
In actual use, after charger baby is connect with power supply interface 101, the voltage of charger baby output is input to decompression
Circuit 102, the voltage drop that reduction voltage circuit 102 inputs charger baby down to a suitable voltage value, and based on after reduction should
Voltage value is the main board power supply of headset equipment (as being based on reduction voltage circuit shown in Fig. 2, from VOUTVoltage value after output reduction,
And be the main board power supply of headset equipment based on the voltage value), after the mainboard of headset equipment obtains power supply, trigger false battery electricity
Road 103 is started to work, and the identification information and temperature parameter of false battery are obtained by false battery circuit 103, and then guarantees to wear
Formula equipment maintains normal operating conditions.
According to the scheme of the present embodiment, can be realized through external charger baby based on the power supply unit come for wear-type
Thus equipment power supply no longer needs to setting internal battery, so as to solve to be powered using internal battery in headset equipment
Brought a series of problems；Also, user can choose at random the charger baby product using different brands, different capabilities, and
There is no the limitation of any pair of charger baby, and the very convenient carrying of charger baby, easy to connect reliable, this brings greatly to user
Convenience；In addition, can there is the charger baby of electricity to replace with another at once when charger baby currently in use is out of power, with
This is recycled, thus efficiently solve the problems, such as it is non-serviceable when internal battery charging, and can also when charger baby aging
It is convenient for changing at any time.
The utility model additionally provides a kind of headset equipment, which includes power supply described in the utility model
Device.The headset equipment is powered based on the power supply unit using charger baby, without being powered using battery,
Therefore, internal battery is not necessarily in the headset equipment.
It should be noted that the utility model can be carried out in the assembly of software and/or software and hardware, for example,
Specific integrated circuit (ASIC) can be used in each device of the utility model or any other is realized similar to hardware device.One
In a embodiment, the software program of the utility model can be executed to implement the above steps or functions by processor.Together
Sample, the software program (including relevant data structure) of the utility model can be stored in computer readable recording medium
In, for example, RAM memory, magnetic or optical driver or floppy disc and similar devices.In addition, some steps of the utility model or
Hardware can be used to realize in function, for example, as the circuit cooperated with processor thereby executing each step or function.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are included in the utility model.It should not treat any reference in the claims as limiting
Related claim.Furthermore, it is to be understood that one word of " comprising " does not exclude other units or steps, odd number is not excluded for plural number.System
The multiple units or device stated in claim can also be implemented through software or hardware by a unit or device.The
One, the second equal words are used to indicate names, and are not indicated any particular order.
Claims (7)
1. a kind of power supply unit in headset equipment, wherein the power supply unit includes power supply interface, reduction voltage circuit and vacation
Battery circuit；Wherein, the power supply interface is inputted for connecting charger baby, the reduction voltage circuit for reducing from the charger baby
Voltage, the vacation battery circuit is used to obtain the identification information and temperature parameter of false battery.
2. power supply unit according to claim 1, wherein the vacation battery circuit includes power management chip, biased electrical
Resistance, thermistor, ground resistance；Wherein, the power management chip includes managing for obtaining the BATT_ID of the identification information
Foot detects the bias voltage BATT_THERM_BIAS pin needed for output temperature, for obtaining the temperature parameter
BATT_THERM pin；Wherein, the BATT_ID pin passes through the ground resistance earth, the biasing resistor and the heat
Quick resistance series connection, the BATT_THERM_BIAS pin are connect by the biasing resistor with the BATT_THERM pin, institute
BATT_THERM pin is stated to be grounded by the thermistor.
3. power supply unit according to claim 1, wherein the reduction voltage circuit includes decompression chip, inductance, the first electricity
Resistance, second resistance, 3rd resistor, first capacitor, the second capacitor, third capacitor；Wherein, the decompression chip include VIN pin,
EN pin, PG pin, SW pin, FB pin and GND pin, the VIN pin respectively with voltage input end VINIt is managed with the EN
Foot connection, the VIN pin are grounded by the first capacitor, the PG pin and voltage input end VPGConnection, and the PG
Pin passes through the 3rd resistor and the voltage input end VINConnection, the SW pin pass through the inductance and voltage output end
VOUTConnection, the voltage output end VOUTBy second capacity earth, the FB pin passes through the first resistor and institute
State voltage output end VOUTIt connects and is grounded by the second resistance, and the first resistor is in parallel with the third capacitor, institute
State GND pin ground connection.
4. power supply unit according to any one of claim 1 to 3, wherein the reduction voltage circuit from described for that will fill
The voltage drop of electric precious input is down to 4.2 volts.
5. power supply unit according to any one of claim 1 to 3, wherein the power supply interface is using USB
Micro-B socket.
6. power supply unit according to any one of claim 1 to 3, wherein the power supply interface is located at the wear-type
The rear of equipment.
7. a kind of headset equipment, wherein the headset equipment includes such as power supply described in any one of claims 1 to 6
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821877272.XU CN209297033U (en) | 2018-11-12 | 2018-11-12 | A kind of power supply unit and headset equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821877272.XU CN209297033U (en) | 2018-11-12 | 2018-11-12 | A kind of power supply unit and headset equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209297033U true CN209297033U (en) | 2019-08-23 |
Family
ID=67644550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821877272.XU Active CN209297033U (en) | 2018-11-12 | 2018-11-12 | A kind of power supply unit and headset equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209297033U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109445097A (en) * | 2018-11-12 | 2019-03-08 | 重庆爱奇艺智能科技有限公司 | A kind of power supply unit and headset equipment |
| CN117110913A (en) * | 2023-10-13 | 2023-11-24 | 荣耀终端有限公司 | Battery detection circuit, electronic device, and battery detection method |
-
2018
- 2018-11-12 CN CN201821877272.XU patent/CN209297033U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109445097A (en) * | 2018-11-12 | 2019-03-08 | 重庆爱奇艺智能科技有限公司 | A kind of power supply unit and headset equipment |
| CN117110913A (en) * | 2023-10-13 | 2023-11-24 | 荣耀终端有限公司 | Battery detection circuit, electronic device, and battery detection method |
| CN117110913B (en) * | 2023-10-13 | 2024-04-05 | 荣耀终端有限公司 | Battery detection circuit, electronic device, and battery detection method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100176 305-9, floor 3, building 6, courtyard 10, KEGU 1st Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing (Yizhuang group, high-end industrial zone, Beijing Pilot Free Trade Zone) Patentee after: Beijing dream bloom Technology Co.,Ltd. Address before: 100176 305-9, floor 3, building 6, courtyard 10, KEGU 1st Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing (Yizhuang group, high-end industrial zone, Beijing Pilot Free Trade Zone) Patentee before: Beijing iqiyi Intelligent Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 100176 305-9, floor 3, building 6, courtyard 10, KEGU 1st Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing (Yizhuang group, high-end industrial zone, Beijing Pilot Free Trade Zone) Patentee after: Beijing iqiyi Intelligent Technology Co.,Ltd. Address before: 401133 room 208, 2 / F, 39 Yonghe Road, Yuzui Town, Jiangbei District, Chongqing Patentee before: CHONGQING IQIYI INTELLIGENT TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |