CN108268114A - Motherboard with reserve battery - Google Patents
Motherboard with reserve battery Download PDFInfo
- Publication number
- CN108268114A CN108268114A CN201611260910.9A CN201611260910A CN108268114A CN 108268114 A CN108268114 A CN 108268114A CN 201611260910 A CN201611260910 A CN 201611260910A CN 108268114 A CN108268114 A CN 108268114A
- Authority
- CN
- China
- Prior art keywords
- battery
- motherboard
- electrically connected
- threshold value
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/263—Arrangements for using multiple switchable power supplies, e.g. battery and AC
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of motherboard with reserve battery, the motherboard have the first battery, the second battery and switching circuit.Switching circuit has first end, second end, third end and the 4th end.First end is electrically connected the first battery.Second end is electrically connected the second battery.Third end is electrically connected detection module.First battery is providing first voltage.Second battery offer second voltage.Switching circuit has switch unit.The control terminal of switch unit is electrically connected first end.One end of switch unit is electrically connected second end.The other end of switch unit is electrically connected third end and the 4th end.Wherein, when first voltage is more than threshold value, switch unit is not turned on.First battery powered is to detection module.When first voltage is less than threshold value, switching means conductive, the second battery powered is to detection module.
Description
Technical field
The present invention relates to a kind of motherboard, particularly a kind of motherboard with multiple batteries.
Background technology
In general computer using upper, user can be via basic input output system (basic input output
System, BIOS) set the setting configuration such as some preset options or password.Via basic input output system setting or it is defeated
After entering these setting configurations, these setting configurations can be stored in the storage module on motherboard.
In general, battery can be provided on motherboard to continue to provide part of the electric energy to motherboard after system closedown
Element (such as RTC).But for current setting, when the dead battery on motherboard, inputted substantially in booting execution defeated
When going out system and checking RTC (real time clock) information, motherboard setting configuration can be reset.At this point, all setting groups
State can be responded into preset value either password and be emptied.Even, in the situation for being arranged to clean boot (Secure boot)
Under, before corresponding golden key is not re-entered, operating system (operation system, OS) can be cannot be introduced into.Although these
Mechanism is in order to allow user that can easily restore motherboard default configurations in motherboard exception, as long as and replacement battery
And setting configuration is readjusted with regard to these situations can be overcome, but when this without early warning occurs for the dead battery because of motherboard
During a little situations, user will certainly be affected instantly, and time cost that must other than ancillary cost plan handles this
Problem.
Invention content
The technical problems to be solved by the invention are to provide a kind of motherboard, cause to set with the dead battery for overcoming motherboard
Determine the problem of configuration is reset.
To achieve these goals, the present invention provides a kind of motherboards with reserve battery, and described has electricity consumption
The motherboard in pond has the first battery, the second battery, switching circuit and detection module.First battery is providing first voltage.
Second battery is providing second voltage.Switching circuit has first end, second end, third end and the 4th end.First end is electrical
Connect the first battery.Second end is electrically connected the second battery.Switching circuit has switch unit.The control terminal of switch unit is electrical
Connect first end.One end of switch unit is electrically connected second end.The other end of switch unit is electrically connected third end and the 4th
End.Detection module is electrically connected the third end of switching circuit.Detection module is to the electric energy or second according to the offer of the first battery
The electric energy that battery provides selectively resets the setting configuration of motherboard.Wherein, when first voltage is more than threshold value, switch is single
Member is not turned on, and first current path of first battery between first end and third end supplies electricity to detection module.When the first electricity
When pressure is less than threshold value, switching means conductive, the second battery supplies electricity to detection module, switching circuit also foundation via switch unit
Second voltage and via the 4th end export standby signal.
The technical effects of the invention are that：
In summary described, the present invention provides a kind of motherboard, the motherboard has multiple batteries and switching electricity
Road.Switching circuit according to one of battery output voltage and optionally switch supply path.Whereby, motherboard is able to
When one of dead battery or output voltage deficiency, switch to an other battery powered, to avoid battery
Out of power causes setting configuration to be reset, and influences the usage experience of user.
Also below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as the limit to the present invention
It is fixed.
Description of the drawings
Fig. 1 is the functional block diagram of the motherboard according to depicted in one embodiment of the invention；
Fig. 2 is the circuit diagram of the motherboard according to depicted in another embodiment of the present invention；
Fig. 3 is the functional block diagram of the motherboard according to depicted in a further embodiment of the present invention；
Fig. 4 is the functional block diagram of the motherboard according to depicted in yet another embodiment of the invention.
Wherein, reference numeral
1st, 1 ' motherboard
11 platform path controllers
12 first batteries
14 second batteries
15 processors
16 switching circuits
162 switch units
18 detection modules
18 ' RTC blocks
19 storage modules
N1~N4 ends
D1~D2 unidirectional elements
DL light emitting diodes
R1~R5 resistance
D, G, S end
Specific embodiment
The structural principle and operation principle of the present invention are described in detail below in conjunction with the accompanying drawings：
Fig. 1 is please referred to, Fig. 1 is the functional block diagram of the motherboard according to depicted in one embodiment of the invention.Such as Fig. 1 institutes
Show, motherboard 1 has the first battery 12, the second battery 14 and switching circuit 16.Switching circuit 16 has first end N1, second end
N2, third end N3 and the 4th end N4.First end N1 is electrically connected the first battery 12.Second end N2 is electrically connected the second battery 14.
Third end N3 is electrically connected detection module 18.
First battery 12 is providing first voltage.Second battery 14 offer second voltage.In one embodiment, first
Voltage system is substantially equal to second voltage, and the rated voltage of the first battery 12 is identical to the specified electricity of the second battery 14 in other words
Pressure.First battery 12 and the second battery 14 are, for example, lithium battery, and first voltage and second voltage are, for example, 3 volts, but not with this
It is limited.
Detection module 18 to according to the first battery 12 provide electric energy or the second battery 14 provide electric energy selectively
Reset the setting configuration of motherboard 1.In one embodiment, the voltage quasi position provided when the first battery 12 less than predetermined threshold level and
When the voltage quasi position that second battery 14 provides is less than predetermined threshold level, detection module 18 provides relevant information to reset motherboard 1
Setting configuration.Detection module 18 be, for example, motherboard 1 on platform path controller (Platform Controller Hub,
PCH RTC (real time clock) module in), but not limited to this.
Switching circuit 16 has switch unit 162.The control terminal of switch unit 162 is electrically connected first end N1.Switch is single
One end of member 162 is electrically connected second end N2.The other end of switch unit 162 is electrically connected third end N3 and the 4th end N4.It changes
Sentence is talked about, and switch unit 162 is controlled by the first voltage that the first battery 12 is provided and selectively turns on first end N1 and the
Three end N3.When first voltage is more than threshold value, switch unit 162 is not turned on.First battery 12 is via first end N1 and third
The first current path between the N3 of end supplies electricity to detection module 18.When first voltage is less than threshold value, switch unit 162 is led
Logical, the second battery 14 supplies electricity to detection module 18 via switch unit 162.Switching circuit 16 is also according to second voltage and via
Four end N4 export standby signal.In one embodiment, when motherboard 1 supplies electricity to detection module 18 with the first battery 12, the 4th
The voltage quasi position for holding N4 is opposite low voltage level, and when motherboard 1 supplies electricity to detection module 18 with the second battery 14, the
The voltage quasi position of four end N4 is opposite high voltage level.
Switch unit 162 is, for example, the metal oxide semiconductcor field effect transistor (metal of relay either p-type
oxide semi-conductor field effect transistor,MOSFET).In one embodiment, switch unit 162
The for example, relay of Digi-Key companies, model are, for example, V23026C1056B201-ND or 374-1322-ND.It above are only
Citing demonstration, but be actually not limited thereto.
Please referring next to Fig. 2 to carry out more specific description, Fig. 2 is the host according to depicted in another embodiment of the present invention
The circuit diagram of plate.In the embodiment of fig. 2, switch unit 162 is the metal oxide semiconductcor field effect transistor of p-type.
The gate terminal G of switch unit 162 is electrically connected first end N1 indirectly, and source S is electrically connected second end N2, drain electrode end indirectly
D is electrically connected the 4th end N4 indirectly.
In the embodiment shown in Figure 2, switching circuit 16 also has the first unidirectional element D1, the second unidirectional element D2, the
One resistance R1 and second resistance R2.First unidirectional element D1 series connection first resistors R1.Second unidirectional element D2 series connection second resistances
R2.The the first unidirectional element D1 and first resistor R1 of series connection are electrically connected between first end N1 and third end N3.The of series connection
Two unidirectional element D2 and second resistance R2 are electrically connected between third end N3 and the 4th end N4.Wherein, the first unidirectional element D1
Output terminal and the output terminal of the second unidirectional element D2 be either directly or indirectly electrically connected third end N3.Wherein, implement herein
In example, switching circuit 16 also has current-limiting resistance R3, R4.One end of current-limiting resistance R3 is electrically connected the grid of switch unit 162
Hold G, the other end ground connection of current-limiting resistance R3.One end of current-limiting resistance R4 is electrically connected the 4th end N4, and current-limiting resistance R4's is another
End ground connection.
In one embodiment, resistance R1 and resistance R2 are to control the voltage of the gate terminal G of switch unit 162, and resistance
R3 enters the voltage of PCH GPI pin to control, and resistance R4 is to ensure to work as to supply electricity to detection module with the first battery 12
When 18, the 4th end N4 is centainly held in the input signal of low voltage level.
In this embodiment, the first unidirectional element D1 for diode (diode) or is connect with the second unidirectional element D2
Metal oxide semiconductor transistor for diode.By the first unidirectional element D1 and the second unidirectional element D2, it is able to
The flow direction of electric current is limited, is avoided when the undertension of battery or when switching electric current path, due to the electric current stream of mistake
Even it is that element is burned out to element malfunction is caused.In another embodiment, the first unidirectional element D1 and the second unidirectional element
D2 is the metal oxide semiconductcor field effect transistor for connecting into diode, and related elements joint detail is worked as this field skill
Art personnel can push away from the related narration of Fig. 2, not add to repeat herein.
On the other hand, in the embodiment of fig. 2, switching circuit 16 is also electrically connected light emitting diode DL.More specifically come
It says, the anode tap of light emitting diode DL is connected to the drain electrode end D of switch element 162, and the cathode terminal of light emitting diode DL is via limit
Leakage resistance R5 is grounded.Therefore, when the output voltage of the first battery 12 is less than threshold value and turn-on switch component 162, the second electricity
Pond 14 powers via switch element 162, while light emitting diode DL is switched on and shines.Whereby, it is able to remind user, host
Plate 1 changes at present supplies electricity to detection module 18 by the second battery 14, and the first battery does not apply use and this is eliminated and changes.In another embodiment
In, the anode tap of light emitting diode DL is electrically connected the 4th end N4 of switching circuit 16, and the cathode terminal of light emitting diode DL then passes through
It is grounded by current-limiting resistance R5.In in practice, the anode tap of light emitting diode DL can be electrically connected the second battery 14 and supply electricity to examine
Any electrical node on the current path of module 18 is surveyed, is not limited herein.
Please referring next to Fig. 3, Fig. 3 is the functional block diagram of the motherboard according to depicted in a further embodiment of the present invention.It is main
Machine plate 1 ' also has storage module 19, platform path controller 11 (Platform Controller Hub, PCH) and processor
15.4th end N4 of switching circuit 16 is electrically connected the universal input and output foot position (general of platform path controller 11
purpose input output,GPIO).Storage module 19 is storing the setting configuration of motherboard 1.Storage module 19 is for example
For non-volatile random access memory (non-volatile random access memory, NVRAM).
Processor 15 is running basic input output system.Basic input output system is judging platform path control
Whether the voltage quasi position of the universal input and output foot position of device 11 is more than a threshold value.When basic input output system judges platform
When the voltage quasi position of the universal input and output foot position of path controller 11 is more than another threshold value, basic input output system warp
The screen (not being painted) being electrically connected by motherboard 1 shows warning message.
The setting of another threshold value is for example associated with the voltage quasi position size of the power supply of platform path controller 11.
In one embodiment, when the voltage quasi position of the power supply of platform path controller 11 is 3.3 volts, another threshold value is not
Less than 2.145 volts and threshold value is not more than 3.7 volts.In another embodiment, when the power supply of platform path controller 11
When voltage quasi position is 1.8 volts, another threshold value is not less than 1.17 volts and threshold value is not more than 2.2 volts.
Further, as previously mentioned, detection module 18 is, for example, the RTC block in platform path controller 10.Referring again to Fig. 4
To illustrate, Fig. 4 is the functional block diagram of the motherboard according to depicted in yet another embodiment of the invention.When detection module is flat
During RTC block 18 ' in platform path controller 10, in an embodiment, RTC block 18 ' according to the first battery 12 supplying
Electric energy or the second battery 14 supply electric energy production supply power information.For power information indicating whether the first battery 12 supplies electricity to
Whether RTC block 18 ' or the second battery 14 supply electricity to RTC block 18 '.Indicate that the first battery is supplied to RTC moulds when supplying power information
The voltage quasi position of block 18 ' is less than the first threshold value and the second battery 14 is supplied to the voltage quasi position of RTC block 18 ' to be less than second
During threshold value, basic input output system is according to the setting group reset when system boot for power information stored by storage module 19
State.First threshold value from the second threshold value can be it is identical or different, in one embodiment, the first threshold value and
Two threshold values are identical, and the first threshold value and the second threshold value are, for example, 3 volts.
In summary described, the motherboard has multiple batteries and switching circuit.Switching circuit is according to one of them
The output voltage of battery and optionally switch supply path.Whereby, motherboard is able to wherein that a dead battery is either
It when output voltage deficiency, switches to an other battery powered, setting configuration is caused to be reset to avoid dead battery,
And influence the usage experience of user.In addition, switching circuit can also provide a standby signal according to the output voltage of battery,
User to be notified to replace battery in time.In other words, even if when one of dead battery, motherboard still can be temporary
When by another battery powered to detection module, constantly to maintain to be supplied to the voltage of detection module.User can be
Dead battery is replaced at this time, and detection module can't be caused to generate exception information in the process, without repeating to set again
Fixed various options either password, quite with practicability.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding changes and deformation, but these corresponding changes and change in accordance with the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (10)
1. a kind of motherboard with reserve battery, which is characterized in that including：
One first battery, to provide a first voltage；
One second battery, to provide a second voltage；
One switching circuit, the switching circuit have a first end, a second end, a third end and one the 4th end, first end electricity
Property connect first battery, which is electrically connected second battery, the switching circuit include a switch unit, the switch list
The control terminal of member is electrically connected the first end, and one end of the switch unit is electrically connected the second end, the switch unit it is another
End is electrically connected the third end and the 4th end；And
One detection module is electrically connected the third end of the switching circuit, and the detection module is to according to first battery offer
Electric energy or second battery provide electric energy selectively reset the motherboard one setting configuration；
Wherein, when the first voltage be more than a threshold value when, which is not turned on, first battery via the first end with
One first current path between the third end supplies electricity to the detection module, when the first voltage is less than or equal to a threshold value,
The switching means conductive, second battery supply electricity to the detection module via the switch unit, the switching circuit also according to this
Two voltages and via the 4th end export a standby signal.
2. motherboard as described in claim 1, which is characterized in that the switch unit is aoxidized for a relay or a p-type metal
Object semiconductcor field effect transistor.
3. motherboard as described in claim 1, which is characterized in that the switching circuit further includes one first unidirectional element, one
Two unidirectional elements, a first resistor and a second resistance, first unidirectional element are connected the first resistor, second unidirectional element
Connect the second resistance, first unidirectional element and the first resistor of series connection be electrically connected at the first end and the third end it
Between, second unidirectional element of series connection and the second resistance are electrically connected between the third end and the 4th end；
Wherein, the output terminal of first unidirectional element and the output terminal of second unidirectional element are either directly or indirectly electrically connected
The third end.
4. motherboard as claimed in claim 3, which is characterized in that first unidirectional element is two poles with second unidirectional element
Pipe is either connected as the metal oxide semiconductor transistor of diode.
5. motherboard as described in claim 1, which is characterized in that the 4th end is electrically connected a light emitting diode.
6. motherboard as described in claim 1, which is characterized in that the detection module is the RTC in platform path controller
Module, wherein the 4th end are electrically connected a universal input and output foot position of the platform path controller.
7. motherboard as claimed in claim 6, which is characterized in that the motherboard has a processor, and the processor is transporting
One basic input output system of row, the basic input output system is judging the voltage quasi position of the universal input and output foot position
Whether another threshold value is more than, when the basic input output system judges that the voltage quasi position of the universal input and output foot position is more than
During another threshold value, which shows a warning message via the screen that the motherboard is electrically connected.
8. motherboard as claimed in claim 7, which is characterized in that further include a storage module, the storage module is storing
The setting configuration of the motherboard, the RTC block is to the electric energy according to first battery supplied or second battery supplied
Electric energy production one supplies power information, this supplies power information to indicate whether first battery supplies electricity to the RTC block or second electricity
Whether pond supplies electricity to the RTC block, when this indicates that first battery is supplied to the voltage quasi position of the RTC block to be less than for power information
When one first threshold value and second battery are supplied to the voltage quasi position of the RTC block to be less than second threshold value, this is substantially defeated
Enter output system and reset the setting configuration stored by the storage module when the system boot for power information according to this.
9. motherboard as claimed in claim 7, which is characterized in that another threshold value is more than or equal to 2.145 volts, and this is another
One threshold value is less than or equal to 3.7 volts.
10. motherboard as claimed in claim 7, which is characterized in that another threshold value is more than or equal to 1.17 volts, and this is another
One threshold value is less than or equal to 2.2 volts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260910.9A CN108268114A (en) | 2016-12-30 | 2016-12-30 | Motherboard with reserve battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260910.9A CN108268114A (en) | 2016-12-30 | 2016-12-30 | Motherboard with reserve battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108268114A true CN108268114A (en) | 2018-07-10 |
Family
ID=62755105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611260910.9A Pending CN108268114A (en) | 2016-12-30 | 2016-12-30 | Motherboard with reserve battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108268114A (en) |
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| CN102902339A (en) * | 2011-07-28 | 2013-01-30 | 广达电脑股份有限公司 | Server cabinet system |
| CN103904769A (en) * | 2012-12-30 | 2014-07-02 | 航天信息股份有限公司 | System and method for controlling standby battery |
| US20150357864A1 (en) * | 2014-06-06 | 2015-12-10 | Bayer Healthcare Llc | Power source switching apparatus and methods for dual-powered electronic devices |
-
2016
- 2016-12-30 CN CN201611260910.9A patent/CN108268114A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2641704Y (en) * | 2003-08-14 | 2004-09-15 | 技嘉科技股份有限公司 | Spare capacitor on mainboard of computer |
| CN1941542A (en) * | 2005-09-30 | 2007-04-04 | 鸿富锦精密工业（深圳）有限公司 | Power-supplying circuit |
| CN1987506A (en) * | 2005-12-22 | 2007-06-27 | 佛山市顺德区顺达电脑厂有限公司 | System and its method for detecting master plate lithium cell electricity |
| CN101556497A (en) * | 2008-04-09 | 2009-10-14 | 鸿富锦精密工业（深圳）有限公司 | Mainboard power supply circuit |
| CN102902339A (en) * | 2011-07-28 | 2013-01-30 | 广达电脑股份有限公司 | Server cabinet system |
| CN103904769A (en) * | 2012-12-30 | 2014-07-02 | 航天信息股份有限公司 | System and method for controlling standby battery |
| US20150357864A1 (en) * | 2014-06-06 | 2015-12-10 | Bayer Healthcare Llc | Power source switching apparatus and methods for dual-powered electronic devices |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Taiwan Xindian District, New Taipei City Chinese Po Road No. 6 Applicant after: GIGA-BYTE TECHNOLOGY Co.,Ltd. Address before: Chinese Taiwan Taipei City store Bao Jiang Road No. 6 Applicant before: GIGA-BYTE TECHNOLOGY Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180710 |