CN208927567U - A kind of portable game machine expanding unit based on open source computer - Google Patents
A kind of portable game machine expanding unit based on open source computer Download PDFInfo
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- CN208927567U CN208927567U CN201821435554.4U CN201821435554U CN208927567U CN 208927567 U CN208927567 U CN 208927567U CN 201821435554 U CN201821435554 U CN 201821435554U CN 208927567 U CN208927567 U CN 208927567U
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Abstract
The utility model provides a kind of portable game machine expanding unit based on open source computer, can be integrated in display screen, handle, battery, charging circuit and audio driven on one plank, and integrated level is high.It is easy to carry.Further, the control built-in chip type has data converter, and the received HDMI signal of control chip can be converted to any one of rgb signal, LVDS signal, MIPI signal or eDP signal by data converter, to drive display screen.By that there will be the converter Integrated design of signal transformation function, the over all Integration degree and its degree easy to use of the portable game machine expanding unit based on open source computer can be promoted.The portable game machine expanding unit based on open source computer could be applicable in the open source computer such as Raspberry Pi, Banana Pi and Tinker Board, these open source computers is made to can be used as portable game machine use.
Description
[technical field]
The utility model relates to game station field more particularly to a kind of portable game machine expansions based on open source computer
Extending apparatus.
[background technique]
The favor of compufan and wound visitor is increasingly obtained based on open source computer application, but existing is based on
The product of open source computer, which is typically necessary, connects the circuit board of a variety of different function by electric wire, uses and takes to developer
Band brings great inconvenience.Especially in the game machine expansion board based on open source computer, due to inconvenient to carry, its popularization is given
Using causing extreme difficulties.
[utility model content]
Integrated level to overcome the problems, such as the game machine expansion board of existing open source computer is high, Portable belt, this is not practical
It is novel to provide a kind of integrated level the high portable game machine expanding unit based on open source computer.
It is as follows that the utility model provides technical solution to solve above-mentioned technical problem: a kind of based on the portable of open source computer
Formula game machine expanding unit comprising integrated power supply module on the same substrate, control chip, audio power amplifier circuit, handle
Circuit and display screen, the power supply module be the control chip,
The audio power amplifier circuit, the handle circuit and the display screen provide electric energy；The control chip and institute
Audio power amplifier circuit, the handle circuit and the display screen is stated to be electrically connected；The control built-in chip type has data converter,
After the control chip receives HDMI signal, received HDMI signal is converted to rgb signal by the data converter, LVDS believes
Number, any one of MIPI signal or eDP signal, to drive the display screen.
Preferably, the control chip further comprises HDMI signal interface circuit and display signal output apparatus, wherein
The HDMI signal interface circuit is converted into display letter by the data converter for receiving HDMI signal, HDMI signal
Number, and correspond to from the display signal output apparatus by display signal and be sent to the display screen；Wherein, the display signal is defeated
Circuit includes rgb signal output circuit, LVDS signal output apparatus, MIPI signal output apparatus or eDP signal output apparatus out
In it is any；The display signal includes any in rgb signal, LVDS signal, MIPI signal or eDP signal.
Preferably, the HDMI signal interface circuit includes the end HDMI3_P, the end HDMI3_N, the end HDMI2_P, HDMI2_N
End, the end HDMI1_P, the end HDMI1_N, the end HDMI4_P and the end HDMI4_N.
Preferably, the portable game machine expanding unit based on open source computer further includes display interface circuit, institute
Stating display interface circuit includes that at least both ends, one end and the display signal output apparatus of the data converter electrically connects
Connect, the other end and the display screen be electrically connected the display interface circuit for the display screen provide display data signal,
Control signal and data clock signal.
Preferably, the display screen can be one of LCD display, LED display or OLED display screen；Or the display screen
For TN screen or IPS screen.
Preferably, any one of model RTD2660, TFP401, DS2660 or RTD2556 of the control chip.
Preferably, it is described based on open source computer portable game machine expanding unit further include for open source computer
The open source Computer interface circuit of electric connection, the handle circuit include game function key circuit and rocking bar circuit, the trip
Be electrically connected between play function key circuit and the open source Computer interface circuit, the rocking bar circuit and the control chip it
Between be electrically connected, after the control chip reads the AD value of the rocking bar circuit, be converted into GPIO and be signally attached to the open source
Computer interface circuit.
Preferably, the portable game machine expanding unit based on open source computer further includes system configuration key circuit,
The system configuration key circuit includes multiple key switches, and user presses the key switch and can correspond to generation electric signal and pass through
One port A-ADC is sent to the control chip.
Preferably, the power supply module includes sequentially connected charging circuit, energy-storage module and power-switching circuit, described
Charging circuit provides electric energy for connecting with external circuits, and the energy-storage module can be used for storing to be connect by the charging circuit
The electric energy entered, and electric energy is provided to the power-switching circuit；The power-switching circuit includes reduction voltage circuit and pressure stabilizing
Circuit, the reduction voltage circuit drop to input voltage and the control chip, the audio power amplifier circuit and handle electricity
Road works normally the matched voltage of institute, and the voltage regulator circuit is used for burning voltage.
Preferably, the energy-storage module includes any one of lithium battery, dry cell or soft-package battery.
Compared with prior art, the portable game machine expanding unit provided by the utility model based on open source computer
With following the utility model has the advantages that
It is provided by the utility model based on open source computer portable game machine expanding unit by display screen, handle,
Battery, charging circuit and audio driven are integrated on a plank, and integrated level is high.It is easy to carry.Further, the control core
Piece is built-in with data converter, the data converter its received HDMI signal can be converted to rgb signal, LVDS signal,
Any one of MIPI signal or eDP signal, to drive the display screen.By that will have the converter of signal transformation function
Integrated design, can promote the over all Integration degree of the portable game machine expanding unit based on open source computer and improve it makes
With convenient degree, consequently facilitating user's modification and study.
Portable game machine expanding unit provided by the utility model based on open source computer is applicable to
Raspberry Pi (raspberry pie), Banana Pi (banana pie) and Tinker Board etc. increase income in computer, make these open sources
Computer can be used as portable game machine use.
[Detailed description of the invention]
Fig. 1 is that the utility model provides the module signal of the portable game machine expanding unit based on open source computer
Figure.
Fig. 2 be shown in Fig. 1 based on open source computer portable game machine expanding unit in data converter it is specific
Circuit theory schematic diagram.
Fig. 3 be shown in Fig. 1 based on open source computer portable game machine expanding unit in display interface circuit tool
Body circuit theory schematic diagram.
Fig. 4 is increased income computer in portable game machine expanding unit based on open source computer described in the utility model
The functional block diagram between interface circuit and control chip, handle circuit.
Fig. 5 is the physical circuit principle of handle circuit in the portable game machine expanding unit based on open source computer
Schematic diagram.
Fig. 6 is the specific electricity of system configuration key circuit in the portable game machine expanding unit based on open source computer
Road schematic illustration.
Description of drawing identification:
10, the portable game machine expanding unit based on open source computer；11, charging circuit；12, chip is controlled；121,
Data converter；122, HDMI signal interface circuit；123, rgb signal output circuit；13, power-switching circuit；14, audio function
Electric discharge road；15, handle circuit；151, game function key circuit；152, rocking bar circuit；16, display interface circuit；17, display screen；
18, energy-storage module；19, power supply module；21, system configuration key circuit；29, open source Computer interface circuit.
[specific embodiment]
In order to make the purpose of this utility model, technical solution and advantage are more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to solve
The utility model is released, is not used to limit the utility model.
Referring to Fig. 1, the utility model provides a kind of portable game machine expanding unit 10 based on open source computer,
Including integrated power supply module 19 on the same substrate, control chip 12, audio power amplifier circuit 14, handle circuit 15 and display screen
17.Wherein, the power supply module can be the control chip 12, the audio power amplifier circuit 14, the handle circuit 15 and institute
It states display screen 17 and electric energy is provided.Wherein, the control chip 12 can be to the audio power amplifier circuit 14, the handle circuit 15
And the display screen 17 is controlled, so that the portable game machine expanding unit 10 based on open source computer can have simultaneously
It is shown for game, the effect of game control and sound effect of game output.It is provided by the utility model based on open source computer just
It is high compared to the integrated level of existing game circuit board to take formula game machine expanding unit 10, it is easy to carry.
In the present invention, the control chip 12 further includes multiple functional modules, can cooperate the audio frequency power amplifier
Different module or device can be added in circuit 14, handle circuit 15 and the normal operation of display screen 17.
In the present invention, the display screen 17 can be LCD (Liquid Crystal Display) display screen, LED
(Light Emitting Diode) display screen, OLED (Organic Light-Emitting Diode) display screen etc..It is described
Display screen 17 can also for TN screen (Twisted Nematic, twisted nematic panel) or IPS screen (In-Plane Switching,
Plane conversion panel).
The open source computer may include but be not only restricted to: Raspberry Pi (raspberry pie), Banana Pi (banana pie)
With Tinker Board etc..
Continue as shown in fig. 1, the power supply module 19 includes sequentially connected charging circuit 11, energy-storage module 18 and electricity
Power-switching circuit 13, wherein the charging circuit 11 for connect with external circuits, with described in being based on increasing income computer just
It takes formula game machine expanding unit 10 and electric energy is provided, the energy-storage module 18, which can be used for storing, to be accessed by the charging circuit 11
Electric energy.
The power-switching circuit 13 includes reduction voltage circuit (not shown) and voltage regulator circuit (not shown), the reduction voltage circuit
Input voltage is dropped to and works normally institute with the control chip 12, the audio power amplifier circuit 14 and the handle circuit 15
Matched voltage, the voltage regulator circuit are used for burning voltage.It, i.e., will be from institute if the voltage regulator circuit can provide 3.3V voltage of voltage regulation
The voltage stabilization for stating the input of energy-storage module 18 is 3.3V.In other some embodiments, the voltage regulator circuit can also be further
1.8V burning voltage is provided.
The power-switching circuit 13 can then convert input voltage into low-voltage such as 3.3V, 1.8V etc. and export to described
Control chip 12, the audio power amplifier circuit 14, the handle circuit 15 and the display interface circuit 16.
In some embodiments of the utility model, as shown in fig. 1, the display screen 17 can also directly with the energy storage mould
Block 18 is electrically connected, so that the energy-storage module 18 directly provides electric energy for the display screen 17.
As shown in fig. 1, it is built-in with data converter 121 in the control chip 12, when the control chip 12 receives
To after HDMI (High-Definition Multimedia Interface) signal, the data converter 121 can be by HDMI
Signal be converted to RGB (Red, Green, Blue) signal, LVDS (Low Voltage Differential Signaling, it is low
Pressure difference sub-signal technical interface) signal, MIPI (Mobile Industry Processor Interface, mobile industry processing
Device interface) signal, eDP (Embedded Displayport, the full digitization interface based on DisplayPort framework and agreement)
Any one of signal.
When the model RTD2660 of the control chip 12, HDMI signal can be converted to rgb signal or LVDS by correspondence
Signal.When the model TFP401 of the control chip 12, HDMI signal can be converted to rgb signal by correspondence.The control
When the model DS2660 of chip 12, HDMI signal can be converted to MIPI signal by correspondence.The model of the control chip 12
When for RTD2556, HDMI signal can be converted to eDP signal by correspondence.
In some specific embodiments, the control chip 12 further includes HDMI signal interface circuit 122 and display letter
Number output circuit (not shown), wherein the HDMI signal interface circuit 122 for receiving HDMI signal,
HDMI signal is believed after the data converter 121 built in the control chip 12 is converted from the display
Number output circuit is exported to the display screen 17.The display signal output apparatus includes rgb signal output circuit, LVDS signal
It is any in output circuit, MIPI signal output apparatus or eDP signal output apparatus.
As shown in Figure 2, the HDMI signal interface circuit 122 includes altogether 8 ports, according to the number of the pin of chip
Sequence V8_0-V8_7 successively include: the end HDMI3_P, the end HDMI3_N, the end HDMI2_P, the end HDMI2_N, the end HDMI1_P,
The end HDMI1_N, the end HDMI4_P and the end HDMI4_N.It is defeated that the HDMI interface of open source computer may be connected to the HDMI interface signal
Enter end, to realize the input of HDMI signal.
Continue as shown in Figure 2, it, can with the control chip 12 as the model RTD2660 of the control chip 12
For HDMI signal is converted to rgb signal: the display signal output apparatus concretely rgb signal output circuit 123,
In, the HDMI signal interface circuit 122 is for receiving HDMI signal, number of the HDMI signal built in by the control chip 12
After being converted according to converter 121, from the rgb signal output circuit 123 output to the display screen 17.
Above-mentioned concrete example is only used as the example of the utility model, and not as restriction.For example, working as the control chip 12
Model RTD2660 when, HDMI signal can be also converted to LVDS signal by the control chip 12, RGB letter as described above
Number output circuit 123 can be replaced LVDS signal output apparatus (not shown).
For another example, as the model DS2660 of the control chip 12, the control chip 12 can also turn HDMI signal
It is changed to MIPI signal, rgb signal output circuit 123 as described above can be replaced MIPI signal output apparatus (not shown).
For another example, as the model RTD2556 of the control chip 12, the control chip 12 can also turn HDMI signal
It is changed to eDP signal, rgb signal output circuit 123 as described above can be replaced eDP signal output apparatus (not shown).
In conjunction with shown in Fig. 1, the portable game machine expanding unit 10 based on open source computer further includes display
Interface circuit 16, the display interface circuit 16 include that at least both ends, the display of one end and the control chip 12 are believed
Number output circuit is electrically connected, and the other end and the display screen 17 are electrically connected.
In some embodiments, the display interface circuit 16 is for connecting the display screen 17, the control chip 12
It is that the display screen 17 provides display data signal, control signal and data clock signal by display interface circuit 16.
Specifically, in conjunction with shown in Fig. 1 and Fig. 3, as the model RTD2660 of the control chip 12, with the control
Coremaking piece 12 can be converted to HDMI signal for rgb signal: the display interface circuit 16 passes through the port the R0 port-R5, G0
Rgb signal is sent to the display screen 17 by the port port-G5 and the port the B0 port-B5；The display interface circuit 16 into one
Step exports control signal to the display screen 17 by the port DE, the port HSYNC and the port VSYNC；The display interface circuit
16 pass through the port PCLK to 17 output data clock signal of display screen.
Further combined with Fig. 2 and Fig. 3, include and the display in the rgb signal output circuit 123 of the control chip 12
16 appropriate ports of interface circuit, specific matching relationship are as follows:
The rgb signal output circuit 123 successively includes the port ABLU0-ABLU7 according to the pin numbering B0-B7 of chip
Port, pin numbering G0-G7 successively include the port the AGRN0 port-AGRN7, and pin numbering R0-R7 successively includes the port ARED0-
The port ARED7.And the port the B0 end-B5 of electric connection corresponding with above-mentioned pin end is then equipped in the display interface circuit 16
Mouth, the port the G0 port-G5 and the port the R0 port-R5.
Referring to Fig. 4, it is described based on open source computer portable game machine expanding unit 10 further include for open source
The open source Computer interface circuit 29 that computer is electrically connected.Further, the handle circuit 15 includes game function keys electricity
Road 151 and rocking bar circuit 152 electrically connect between the game function key circuit 151 and the open source Computer interface circuit 29
It connects.
The rocking bar circuit 152 is electrically connected with the control chip 12, and the rocking bar can be read in the control chip 12
After the AD value of circuit 152, it is converted into GPIO and is signally attached to the open source Computer interface circuit 29.
It in the present invention, can easy to carry and use using open source Automated library system GPIO driving handle.
Wherein, as shown in Figure 5, the game function key circuit 151 includes D1 switch corresponding with function key A and function
It can the key B corresponding C50 switch and corresponding C51 switch of function key X and D2 corresponding with function key Y switch.Further, institute
State game function key circuit 151 further include T/R switch, TL switch, A1 corresponding with " selection " key switch, and with " beginning "
The corresponding B1 switch of key.
The rocking bar circuit 152 include respectively with user's operation it is left and right, it is upper and under corresponding delivery outlet pull-up resistor
K2R16, delivery outlet pull-up resistor K2R17, delivery outlet pull-up resistor K2R15 and delivery outlet pull-up resistor K2R14.
It is described based on computer of increasing income in other embodiments of the utility model combined as shown in Fig. 1 and Fig. 6
Portable game machine expanding unit 10 further includes system configuration key circuit 21,
As shown in Figure 6, the system configuration key circuit 21 includes Menu switch, Up switch, Down is switched, Source is opened
Pass, R14 resistance, R15 resistance, R17 resistance and R18 resistance；Wherein, it is electrically connected between Menu switch and R14 resistance, Up switch
It is electrically connected between R15 resistance, is electrically connected between Down switch and R17 resistance, electricity between Source switch and R18 resistance
Property connection；The system configuration key circuit includes the port A-ADC being electrically connected with the control chip 12.
After user, which presses Menu switch, Up switch, Down switch or Source, to be switched, corresponding electric signal can produce.
The electric signal enters the control chip 12 by the port A-ADC.By reading AD value, can correspond to judgement is specifically the system
Which key switch under unified central planning set in key circuit 21 is pressed, so as to which corresponding control information to be sent to and the control core
Audio power amplifier circuit 14, handle circuit 15 and the display screen 17 that piece 12 connects.
Compared with prior art, the portable game machine expanding unit provided by the utility model based on open source computer
It has the advantage that
It is provided by the utility model based on open source computer portable game machine expanding unit by display screen, handle,
Battery, charging circuit and audio driven are integrated on a plank, and integrated level is high.It is easy to carry.Further, the control core
Piece is built-in with data converter, the data converter the received HDMI signal of control chip can be converted to rgb signal,
Any one of LVDS signal, MIPI signal or eDP signal, to drive the display screen.By that will have signal to convert function
The converter Integrated design of energy can promote the over all Integration degree of the portable game machine expanding unit based on open source computer
And its degree easy to use is improved, consequently facilitating user's modification and study.
Portable game machine expanding unit provided by the utility model based on open source computer is applicable to
Raspberry Pi (raspberry pie), Banana Pi (banana pie) and Tinker Board etc. increase income in computer, make these open sources
Computer can be used as portable game machine use.
In the present invention, the data converter further comprises HDMI signal interface circuit and display signal output
Circuit, wherein the HDMI signal interface circuit is believed by conversion from the display for receiving HDMI signal, HDMI signal
Number output circuit is exported to the display screen；The data converter is integrated with the transformation function of image display signal, can be convenient for
User utilizes the portable game machine expanding unit based on open source computer to modify and learn.
In the present invention, the HDMI signal interface circuit include the end HDMI3_P, the end HDMI3_N, the end HDMI2_P,
The end HDMI2_N, the end HDMI1_P, the end HDMI1_N, the end HDMI4_P and the end HDMI4_N, the setting of various ports can be convenient for described
Data converter and HDMI signal input part are electrically connected.
In the present invention, the portable game machine expanding unit based on open source computer further includes display interface
Circuit, the display interface circuit include that at least both ends, the display signal output of one end and the data converter are electric
Road is electrically connected, and the other end accesses the display screen.The display interface circuit can further provide aobvious for the display screen
Show data-signal, control signal and data clock signal.By setting display interface circuit, it can be achieved that the data converter with
Effective electric connection and drive control between display screen
The portable game machine expanding unit based on open source computer provided by the utility model is applicable to not
The display screen of same type.The display screen can be LCD display, LED display or OLED screen；Or the display screen be TN screen or
IPS screen.
In the present invention, it is described based on open source computer portable game machine expanding unit further include for open
The open source Computer interface circuit that source computer is electrically connected, the handle circuit include game function key circuit and rocking bar electricity
Road is electrically connected between the game function key circuit and the open source Computer interface circuit, the rocking bar circuit with it is described
It is electrically connected between control chip, after the control chip reads the AD value of the rocking bar circuit, is converted into the connection of GPIO signal
To the open source Computer interface circuit.Such setting can be convenient for making the control chip and the handle circuit, described open
Signaling rate is fast between source computer interface circuit and stablizes.
The portable game machine expanding unit based on open source computer further includes system configuration key circuit, the system
Configuration key circuit includes multiple key switches, and user's press of key switch, which can correspond to, generates electric signal and by a port A-ADC
It is sent to the control chip.By reading AD value, can correspond to judgement is specifically which of described system configuration key circuit is pressed
Key switch is pressed, so as to which corresponding control information is sent to the audio power amplifier circuit, the hand that connect with the control chip
Handle circuit and display screen.
In the present invention, the power supply module includes the charging circuit, energy-storage module and power supply being successively electrically connected
Conversion circuit, wherein the charging circuit is used to be electrically connected with external circuits, and to provide electric energy, the energy-storage module can
Electric energy is provided for storing the electric energy accessed by the charging circuit, and to the power-switching circuit.The power supply turns
Changing circuit includes reduction voltage circuit and voltage regulator circuit, and the reduction voltage circuit drops to input voltage and the control chip, described
Audio power amplifier circuit and the handle circuit work normally the matched voltage of institute, and the voltage regulator circuit is used for burning voltage.In this way
Setting, can be improved it is described based on open source computer portable game machine expanding unit electric energy voltage stability.
In the present invention, the energy-storage module includes any one of lithium battery, dry cell or soft-package battery, storage
Can mode can diversification, the needs of so as to meet different user or application scenarios.
The foregoing is merely the utility model preferred embodiments, are not intended to limit the invention, all practical new at this
Made any modification within type principle, equivalent replacement and improvement etc. should all be comprising within the protection scope of the utility model.
Claims (10)
1. a kind of portable game machine expanding unit based on open source computer, it is characterised in that: it includes being integrated in same base
Power supply module, control chip, audio power amplifier circuit, handle circuit and display screen, the power supply module on plate are the control
Chip, the audio power amplifier circuit, the handle circuit and the display screen provide electric energy；The control chip and the sound
Frequency power amplifier, the handle circuit and the display screen are electrically connected；The control built-in chip type has data converter, described
Control chip receive HDMI signal after, the data converter by received HDMI signal be converted to rgb signal, LVDS signal,
Any one of MIPI signal or eDP signal, to drive the display screen.
2. the portable game machine expanding unit as described in the appended claim 1 based on open source computer, it is characterised in that: the control
Coremaking piece further comprises HDMI signal interface circuit and display signal output apparatus, wherein the HDMI signal interface circuit
For receiving HDMI signal, HDMI signal is converted into display signal by the data converter, and corresponding from display letter
Number output circuit will show that signal is sent to the display screen；Wherein, the display signal output apparatus includes rgb signal output
It is any in circuit, LVDS signal output apparatus, MIPI signal output apparatus or eDP signal output apparatus；The display signal
Including any in rgb signal, LVDS signal, MIPI signal or eDP signal.
3. the portable game machine expanding unit as stated in claim 2 based on open source computer, it is characterised in that: described
HDMI signal interface circuit includes the end HDMI3_P, the end HDMI3_N, the end HDMI2_P, the end HDMI2_N, the end HDMI1_P, HDMI1_N
End, the end HDMI4_P and the end HDMI4_N.
4. the portable game machine expanding unit as stated in claim 2 based on open source computer, it is characterised in that: the base
It further include display interface circuit in the portable game machine expanding unit of open source computer, the display interface circuit includes at least
Both ends, one end and the display signal output apparatus are electrically connected, and the other end and the display screen are electrically connected；It is described aobvious
Show that interface circuit provides display data signal, control signal and data clock signal for the display screen.
5. the portable game machine expanding unit as described in the appended claim 1 based on open source computer, it is characterised in that: described aobvious
Display screen can be one of LCD display, LED display or OLED display screen；Or the display screen is TN screen or IPS screen.
6. the portable game machine expanding unit as described in the appended claim 1 based on open source computer, it is characterised in that: the control
Any one of model RTD2660, TFP401, DS2660 or RTD2556 of coremaking piece.
7. the portable game machine expanding unit as described in the appended claim 1 based on open source computer, it is characterised in that: the base
In the open source computer that the portable game machine expanding unit of open source computer further includes for being electrically connected with open source computer
Interface circuit, the handle circuit include game function key circuit and rocking bar circuit, and the game function key circuit is opened with described
It is electrically connected, is electrically connected between the rocking bar circuit and the control chip, the control between source computer interface circuit
After chip reads the AD value of the rocking bar circuit, it is converted into GPIO and is signally attached to the open source Computer interface circuit.
8. the portable game machine expanding unit as described in the appended claim 1 based on open source computer, it is characterised in that: the base
It further include system configuration key circuit in the portable game machine expanding unit of open source computer, the system configuration key circuit includes
Multiple key switches, user press the key switch and can correspond to generation electric signal and be sent to by a port A-ADC described
Control chip.
9. the portable game machine expanding unit based on open source computer as described in any one of claim 1-8, feature exist
In: the power supply module includes the charging circuit, energy-storage module and power-switching circuit being successively electrically connected, the charging circuit
For being electrically connected with external circuits to provide electric energy, the energy-storage module can be used for storing to be accessed by the charging circuit
Electric energy, and electric energy is provided to the power-switching circuit；The power-switching circuit includes reduction voltage circuit and voltage regulator circuit,
The reduction voltage circuit drops to input voltage normal with the control chip, the audio power amplifier circuit and the handle circuit
The matched voltage of work institute, the voltage regulator circuit are used for burning voltage.
10. the portable game machine expanding unit as claimed in claim 9 based on open source computer, it is characterised in that: described
Energy-storage module includes any one of lithium battery, dry cell or soft-package battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821435554.4U CN208927567U (en) | 2018-09-03 | 2018-09-03 | A kind of portable game machine expanding unit based on open source computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821435554.4U CN208927567U (en) | 2018-09-03 | 2018-09-03 | A kind of portable game machine expanding unit based on open source computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208927567U true CN208927567U (en) | 2019-06-04 |
Family
ID=66719588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821435554.4U Active CN208927567U (en) | 2018-09-03 | 2018-09-03 | A kind of portable game machine expanding unit based on open source computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208927567U (en) |
-
2018
- 2018-09-03 CN CN201821435554.4U patent/CN208927567U/en active Active
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