CN108681388A - A kind of computer system of included stand-by power supply - Google Patents
A kind of computer system of included stand-by power supply Download PDFInfo
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- CN108681388A CN108681388A CN201810529955.4A CN201810529955A CN108681388A CN 108681388 A CN108681388 A CN 108681388A CN 201810529955 A CN201810529955 A CN 201810529955A CN 108681388 A CN108681388 A CN 108681388A
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- 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
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- 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
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
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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
- H02J7/0014—Circuits for equalisation of charge between batteries
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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
- H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
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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)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses a kind of computer system of included stand-by power supply, including：First rectification circuit, connect with AC power, and the output end of the first rectification circuit connects a direct current regulation circuit；Battery pack, contact jaw connect the output end of the first rectification circuit；Computer is provided with a direct-flow input end and an ac input end, and direct-flow input end is selectively connect with direct current regulation circuit output end, and ac input end connects one second rectification circuit；Inverter circuit, selectivity are connected to the output end of the first rectification circuit, and the output end of inverter circuit connects an AC voltage-stabilizing circuit, and the input terminal of the second rectification circuit and the output end of AC voltage-stabilizing circuit selectively connect；Each accumulator is connected in parallel when charging, and when electric discharge, each accumulator was connected in series with, and a capacitance in parallel, capacitance are connected in parallel on one of sides adjacent accumulator both ends between each adjacent two accumulator.The present invention solves the technical problem of the self-powered cruising ability deficiency of computer.
Description
Technical field
The present invention relates to computer power supply technical fields, and in particular to a kind of computer system of included stand-by power supply.
Background technology
UPS, that is, uninterruptible power supply is that accumulator is connected with host, by modular circuits such as host inverters by direct current
Electricity is converted into the system equipment of alternating current.It is mainly used for single computer, computer network system or other power electronic equipments
Such as solenoid valve, pressure transmitter offer stabilization, continual supply of electric power.When alternating current input is normal, UPS is steady by alternating current
It is supplied to load to use after pressure, UPS at this time is exactly an AC system electricity voltage-stablizer, while it also charges to self-contained battery；When
When commercial power interruption, UPS by the direct current energy of battery, continues to supply by the square normal load of inverter switch transition immediately
220V alternating currents make load maintain to work normally and protect load soft and hardware without damage.UPS equipment is usually to overtension
Or brownout can provide protection.
But existing UPS is with computer power supply by connecting again after commutation inversion, rather than by the direct current after over commutation
Electricity is directly connect with the power supply of computer, is caused when accumulator is individually for computer power supply, it is also necessary to pass through inversion and rectification
It can just be used by a computer afterwards, this mode increases the energy consumption of circuit, reduces the cruise duration of accumulator.
On the other hand, accumulator all has several battery compositions, with the increase of usage time, the end of each battery
Voltage will produce difference, lead to terminating in advance for battery discharging, influence the cruising ability of accumulator.
Invention content
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
The object of the present invention is to provide a kind of computer systems of included stand-by power supply, are carried out to the power-supply system of computer
Optimal improvements, while the discharge voltage between balanced each accumulator, improve the cruising ability of accumulator, the present invention solves calculating
The technical problem of the self-powered cruising ability deficiency of machine.
In order to realize these purposes according to the present invention and other advantages, a kind of computer of included stand-by power supply is provided
System, including：
First rectification circuit, connect with AC power, and the output end of first rectification circuit connects a direct current regulation circuit；
Battery pack is made of several accumulators selectively connected, and the contact jaw of the battery pack connects first rectification
The output end of circuit, the nominal voltage of the accumulator is consistent with the rated operational voltage of computer, each accumulator
Nominal voltage of connecting is equal with the output DC voltage of the first rectification circuit；
Computer is provided with a direct-flow input end and an ac input end, the direct-flow input end and DC voltage-stabilizing electricity
Road output end selectively connects, and the ac input end connects one second rectification circuit；
Inverter circuit, selectivity are connected to the output end of first rectification circuit, the output end connection of the inverter circuit
One AC voltage-stabilizing circuit, the input terminal of second rectification circuit are selectively connect with the output end of the AC voltage-stabilizing circuit；
Wherein, when charging, each accumulator is connected in parallel, and when electric discharge, each accumulator is connected in series with, per adjacent two
A capacitance in parallel, the capacitance are connected in parallel on one of sides adjacent accumulator both ends between a accumulator.
Preferably, a storage capacitor, the storage capacitor are connected between the output positive and negative charge of first rectification circuit
The first end of both ends selectively one DC chopper circuit of connection, the input terminal of the direct current regulation circuit pass through the DC chopped-wave
Circuit is connect with the output end of first rectification circuit, and the contact jaw of the battery pack is also selectively connected to the direct current and cuts
The second end of wave circuit.
Preferably, there are three accumulators for setting in the battery pack, wherein the first battery positive voltage is provided with first switch,
First battery terminal negative is provided with second switch；Second battery positive voltage is provided with third switch, second accumulator
Cathode is provided with the 4th switch；Third battery positive voltage is provided with the 5th switch, and the third battery terminal negative is provided with the 6th
Switch；The other end of the second switch, the 4th switch and the 6th switch connects altogether.
Preferably, the first capacitance is provided between first accumulator and the second accumulator, first capacitance is just
Pole is connect by the 7th switch with the anode of first accumulator, the cathode of first capacitance by the 8th switch with it is described
The cathode of first accumulator connects；The anode of first capacitance is connected by the anode of the 9th switch and second accumulator
It connects, the cathode of first capacitance is connect by the tenth switch with the cathode of second accumulator.
Preferably, the second capacitance is provided between second accumulator and third accumulator, second capacitance is just
Pole connect by the 11st switch with the anode of second accumulator, the cathode of second capacitance switched by the 12nd and
The cathode of second accumulator connects；The anode of second capacitance is switched with the third accumulator just by the 13rd
Pole connects, and the cathode of second capacitance is connect by the 14th switch with the cathode of the third accumulator.
Preferably, third capacitance is provided between first accumulator and third accumulator, the third capacitance is just
Pole connect by the 15th switch with the anode of first accumulator, the cathode of the third capacitance by sixteenmo pass and
The cathode of first accumulator connects；The anode of the third capacitance is switched with the third accumulator just by the 17th
Pole connects, and the cathode of the third capacitance is closed by eighteenmo to be connect with the cathode of the third accumulator.
Preferably, first capacitance, the second capacitance are consistent with the specifications parameter of third capacitance.
Preferably, the negative pole end of first accumulator is connected by the positive terminal of the 19th switch and second accumulator
It connects, the negative pole end of second accumulator is connect by the 20th switch with the positive terminal of the third accumulator.
Preferably, when battery pack charges, the first switch is closed to the 6th switch, the first switch, third are opened
It closes and the 5th switchs the cathode output end for being connected to first rectification circuit by the DC chopper circuit, by described second
The connects end altogether of switch, the 4th switch and the 6th switch is connected to the negative of first rectification circuit by the DC chopper circuit
Pole output end.
Preferably, when battery pack is discharged, it is closed the first switch, the 19th switch, the 20th switch and the 6th switch,
The first switch is connected to the cathode output end of first rectification circuit, by the second switch, the 4th switch and the
The connects end altogether of six switches is connected to the cathode output end of first rectification circuit, is connected to electricity between each adjacent two accumulator
Hold in turn with the accumulator turned in parallel of side.
Compared with prior art, the advantageous effect that the present invention includes is：
1, present invention optimizes the circuit structures inside battery pack, reduce the energy consumption of computer system, while improving battery
The cruising ability of packet；
2, the terminal voltage of balanced each accumulator, optimizes the voltage output characteristics of accumulator, further increases the continuation of the journey of battery pack
Ability.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the attachment structure schematic diagram of battery pack；
Fig. 3 is the attachment structure schematic diagram between accumulator.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art with reference to comment
It can implement according to this.
As shown in Figs. 1-3, the present invention provides a kind of computer system of included stand-by power supply, including battery pack and its interior
Portion's circuit and it connect computer PC and its peripheral circuit with battery pack output end.
Battery pack BAT is exactly general so-called UPS, and the internal circuit of battery pack BAT includes the first rectification circuit 100, straight
Flow regulator circuit 1, inverter circuit 200, AC voltage-stabilizing circuit 2 and DC chopper circuit 4.
First rectification circuit 100 is connect with AC power, is connected between the output positive and negative charge of first rectification circuit 100
A storage capacitor C4 is met, energy storage is used for, intervenes and is continued a journey in this section of dead time when grid cut-off to accumulator, pass through storage capacitor
C4 provides continuation of the journey power supply for computer, and computer is avoided to jump electricity.It is steady that the output end of first rectification circuit 100 connects a direct current
Volt circuit 1.
The first end of DC chopper circuit 4 is connect by switch Sk with the both ends the storage capacitor C4, the DC voltage-stabilizing
The input terminal of circuit 1 is connect by the DC chopper circuit 4 with the output end of first rectification circuit 100, the first rectification
The output direct current of circuit 100 is depressurized to computer operation voltage after 4 copped wave of DC chopper circuit, after by DC voltage-stabilizing
Directly it is computer power supply after 1 voltage stabilizing of circuit.
Only there are one the ac input ends of 220V for usual desktop computer, and as one of present invention improvement,
A direct-flow input end and an ac input end, the direct-flow input end and the direct current regulation circuit are provided on computer PC
1 output end is selectively connected by switch St, and when power grid normal power supply, power supply is by 100 rectification of the first rectification circuit, direct current
It is directly connect with the direct-flow input end of computer PC after 4 copped wave of chopper circuit, 1 voltage stabilizing of direct current regulation circuit, that is to say, that alternating current
After 100 rectifications of the first rectification circuit directly used in computer PC, so as to save unnecessary inversion and again
Switching process, the power-supply system that this method optimizing calculates, and the energy consumption of computer is reduced, the transmittance process of energy is more
Directly, the cruise duration of accumulator is also improved.
Battery pack BAT is made of several accumulators selectively connected, the contact jaw Sq connections described of the battery pack
The contact jaw of the output end of one rectification circuit 100, the battery pack is also connected to the DC chopper circuit 4 by switch Sp
Second end.Power supply charges to battery pack after 100 rectification of the first rectification circuit, 4 copped wave of DC chopper circuit, wherein
The nominal voltage of the accumulator and the rated operational voltage of computer are consistent, so power supply passes through the first rectification circuit
Can be that accumulator and computer DC terminal are powered simultaneously after 100 rectifications, 4 copped wave of DC chopper circuit.
Inverter circuit 200 is selectively connected to the output end of first rectification circuit 100, the inversion by switch Sn
The output end of circuit 200 connects an AC voltage-stabilizing circuit 2, while connecting one second rectified current in the computer exchange input terminal
The input terminal on road 3, second rectification circuit 3 is selectively connect with the output end of the AC voltage-stabilizing circuit 2 by switch Sr.
This design method so that computer PC is reserved, and there are one general ac input ends, in the feelings of not DC source
Under condition, the ac input end of computer can be directly plugged in by the second rectification circuit 3 in general 220V AC powers.Together
When, in power-supply system of the invention, continuation of the journey can be normally powered off to provide also by inverter circuit 200 and AC voltage-stabilizing circuit 2
220V AC powers, provide the AC power that can be continued a journey for other AC loads.Certainly, the calculating of not included direct-flow input end
Machine PC can be connected to the straight of the first rectification circuit 100 by inverter circuit 200, AC voltage-stabilizing circuit 2 and the second rectification circuit 3
It flows on output end, is computer power supply.
That is, the computer system of the present invention provides the alternating current and direct current that can be continued a journey simultaneously, alternating current for
The identical 220V power supplys of alternating current are AC load and the computer power supply without carrying direct-flow input end, and the alternating current of 220V can
With by being that computer uses after rectification again.And the direct current that the computer power supply system of the present invention provides through it is straight directly convert after,
Its voltage value is consistent with the charging voltage of the operating voltage of computer and battery pack, can directly be battery pack charging, while straight
It connects and is used by a computer, save inversion and again switching process, to reduce the energy consumption of computer, the transmittance process of energy is more
Directly, the cruise duration of accumulator is also improved.
In the present embodiment, in the battery pack setting be explained there are three accumulator Eq1, Eq2, Eq3, specifically
The nominal voltage and usage quantity of accumulator can be adjusted according to actual conditions, the present embodiment describes for being to be facilitated using 3
Accumulator, it is preferred that can determine nominal voltage and accumulator using accumulator according to the rated operational voltage of computer
Quantity so that the nominal voltage of each accumulator is consistent with the rated operational voltage of computer, the output of the first rectification circuit 100
Direct current can be simultaneously computer power supply and charge to accumulator；It is whole according to the series connection nominal voltage of each accumulator and first
The output DC voltage of current circuit 100 unanimously determines the quantity of accumulator.
In the present embodiment, the first rectification circuit 100 connects alternating current, and the output DC voltage of the first rectification circuit 100 is 220V,
The direct-current working volts of computer are 73V, and the nominal voltage of accumulator is also 73V, and quantity is 3.According to reality, such as
The direct-current working volts of computer are 20V, then the nominal voltage of accumulator is also 20V, and quantity is 11.
It in the present embodiment, is illustrated as case using 3 accumulators, if it is 11 accumulators, then complies with increase.
Wherein, the first accumulator Eq1 anodes are provided with first switch S11, and the first accumulator Eq1 cathode are provided with second switch
S12；Second accumulator Eq2 anodes are provided with third switch S21, and the second accumulator Eq2 cathode are provided with the 4th switch
S22；Third accumulator Eq3 anodes are provided with the 5th switch S31, and the third accumulator Eq3 cathode are provided with the 6th switch
S32；The other end of the second switch S12, the 4th switch S22 and the 6th switch S32 connect altogether, and contact is denoted as A altogether.
A capacitance in parallel, the capacitance are connected in parallel on the electric power storage of one of sides adjacent between each adjacent two accumulator
Pond both ends.
Specifically, the first capacitance C1 is provided between the first accumulator Eq1 and the second accumulator Eq2, described first
The anode of capacitance C1 is connect by the 7th switch S13 with the anode of the first accumulator Eq1, the cathode of the first capacitance C1
It is connect with the cathode of the first accumulator Eq1 by the 8th switch S14；The anode of the first capacitance C1 passes through the 9th switch
The anode of S25 and the second accumulator Eq2 connects, and the cathode of the first capacitance C1 passes through the tenth switch S26 and described the
The cathode of two accumulator Eq2 connects.
The second capacitance C2 is provided between the second accumulator Eq2 and third accumulator Eq3, the second capacitance C2's
Anode is connect by the anode of the 11st switch S23 and the second accumulator Eq2, and the cathode of the second capacitance C2 passes through the
12 switch S24 are connect with the cathode of the second accumulator Eq2；The anode of the second capacitance C2 passes through the 13rd switch
The anode of S35 and the third accumulator Eq3 are connect, the cathode of the second capacitance C2 by the 14th switch S36 with it is described
The cathode of third accumulator Eq3 connects.
Third capacitance C3 is provided between the first accumulator Eq1 and third accumulator Eq3, the third capacitance C3's
Anode is connect by the anode of the 15th switch S15 and the first accumulator Eq1, and the cathode of the third capacitance C3 passes through the
Sixteenmo closes S16 and is connect with the cathode of the first accumulator Eq1；The anode of the third capacitance C3 passes through the 17th switch
The anode of S33 and the third accumulator Eq3 connects, the cathode of the third capacitance C3 by eighteenmo pass S34 with it is described
The cathode of third accumulator Eq3 connects.
The electric quantity balancing between the first accumulator Eq1 and the second accumulator Eq2 is balanced by the first capacitance C1, passes through
Two capacitance C2 balance the electric quantity balancing between the second accumulator Eq2 and third accumulator Eq3, are balanced by third capacitance C3
Electric quantity balancing between first accumulator Eq1 and third accumulator Eq3, finally balances the output voltage of each accumulator, to
The electric discharge consistency for improving each accumulator avoids that battery pack electric discharge is made to tie in advance because of the Voltage unbalance of each accumulator
Beam.
In the present embodiment, the first capacitance C1, the second capacitance C2 and the specifications parameter of third capacitance C3 are consistent and specified
Voltage is consistent with the float charge voltage of each accumulator.
As shown in figure 3, the negative pole end of the first accumulator Eq1 passes through the 19th switch Sa and second accumulator
The positive terminal of Eq2 connects, and the negative pole end of the second accumulator Eq2 passes through the 20th switch Sb and the third accumulator Eq3
Positive terminal connection.
Behind city power recovery, charges to battery pack, each accumulator is connected in parallel.Specifically, closure switch Sk,
Sp is closed the first switch S11 to the 6th switch S32, and the first switch S11, third switch S21 and the 5th are switched
S31 is connected to the cathode output end of the DC chopper circuit 4, and the second switch S12, the 4th switch S22 and the 6th are opened
The connects end altogether A for closing S32 is connected to the cathode output end of the DC chopper circuit 4, so that each accumulator is connected in parallel on directly
Flow chopper circuit 4 output end, DC chopper circuit 4 by the DC power conversion of 220V at 73 direct current, that is to say, that alternating current
It after 100 rectification of the first rectification circuit, 4 copped wave of DC chopper circuit, charges simultaneously for each accumulator, thus by each storage
Cell parallel is connected to the output end of the first rectification circuit 100, is that each accumulator fills simultaneously by the first rectification circuit 100
Electricity improves charge efficiency.
Meanwhile closure switch St, computer PC directly pass through the output end of direct current regulation circuit 1 and DC chopper circuit 4
Connection is computer power supply.
Closure switch Sn, then by 200 inversion of inverter circuit after, being provided in the output end of AC voltage-stabilizing circuit 2 one can continue
The AC power of the 220V of boat is that computer exchange input terminal or other AC loads use.
It when alternating current powers off, is discharged and is continued a journey by battery pack, each accumulator is connected in series with, specifically, disconnecting switch
Sp, closure switch Sq are closed the first switch S11, the 19th switch Sa, the 20th switch Sb and the 6th switch S32, by institute
The cathode output end that first switch S11 is connected to first rectification circuit 100 is stated, by the second switch S12, the 4th switch
The connects end altogether A of S22 and the 6th switch S32 are connected to the cathode output end of first rectification circuit 100, thus by three electric power storages
Pond head and the tail are connected in series in the output end of the first rectification circuit 100, at this point, the series voltage of 3 accumulators is 220V, to tie up
Hold the voltage of DC bus, then by 1 voltage stabilizing of 4 copped wave of DC chopper circuit and direct current regulation circuit after, be computer DC terminal
Power supply continuation of the journey is computer power supply by battery pack electric discharge.Or provide one by inverter circuit 200 and AC voltage-stabilizing circuit 2
The AC power of a 220V provides continuation of the journey power supply for computer exchange input terminal or other AC loads.
In battery pack discharge process, capacitance C1, C2 and C3 are connected with the accumulator both ends of adjacent side in turn, adjusted
Electricity in two neighboring accumulator, to balance the output voltage of each accumulator, to improve the electric discharge one of each accumulator
Cause property avoids that battery pack electric discharge is made to terminate in advance because of the Voltage unbalance of each accumulator.
Specifically, in battery pack discharge process, it is closed at switch S13, S14, S23, S24, S33, S34 first, makes
It obtains the first capacitance C1 and is connected in parallel on the first both ends accumulator Eq1, the second capacitance C2 is connected in parallel on the second both ends accumulator Eq2, third electricity
Hold C3 and be connected in parallel on the both ends third accumulator Eq3, the higher accumulator of both end voltage is to capacitor charging connected to it, both end voltage
Lower accumulator is charged by capacitance connected to it., simultaneously switch off switch
S13, S14, S23, S24, S33, S34, and it is closed at switch S15, S16, S25, S26, S35, S36 so that third capacitance C3
The first both ends accumulator Eq1 are connected in parallel on, the first capacitance C1 is connected in parallel on the second both ends accumulator Eq2, and the second capacitance C2 is connected in parallel on
Three both ends accumulator Eq3, the higher accumulator of both end voltage is to capacitor charging connected to it, the lower accumulator of both end voltage
It is charged by capacitance connected to it.
As a result, in one in turn turn-on cycle, the first accumulator Eq1 and the second accumulator are adjusted by the first capacitance C1
It is flat to adjust the voltage between the second accumulator Eq2 and third accumulator Eq3 by the second capacitance C2 for the balance of voltage between Eq2
Weighing apparatus adjusts the balance of voltage between the first accumulator Eq1 and third accumulator Eq3 by third capacitance C3.
During battery pack is discharged, continuously in turn by the first capacitance C1 and the first accumulator Eq1 and the second accumulator Eq2
Conducting, continuously the second capacitance C2 and the second accumulator Eq2 and third accumulator Eq3 is connected in turn, continuously by third capacitance C3
It is connected in turn with third accumulator Eq3 and the first accumulator Eq1, as a result, during entire battery pack is discharged, passes through capacitance
C1-C3 balances the output voltage of each accumulator, to improve the electric discharge consistency of each accumulator, avoids because of each electric power storage
The Voltage unbalance in pond and make battery pack electric discharge terminate in advance.
Meanwhile one side power supply passes through 100 rectification of the first rectification circuit, 200 inversion of inverter circuit and AC voltage-stabilizing circuit 2
After voltage stabilizing, the alternating current source that a stabilization can continue a journey is provided, is used in other equipment.On the other hand, if other are not configured
There is the computer of direct-flow input end, can be connect with AC voltage-stabilizing circuit 2 with ac input end and the second included rectification circuit 3,
By rectification, inversion, be computer power supply after rectification again.
And after alternating current is by 100 rectification of the first rectification circuit, 4 copped wave of DC chopper circuit, can directly be computer
Direct-flow input end is powered, and inversion and again rectification link are eliminated, and reduces circuit energy consumption, improves battery pack cruising ability.
From the above mentioned, present invention optimizes the circuit structures inside battery pack, reduce the energy consumption of computer PC systems, together
When improve the cruising ability of battery pack；Meanwhile the terminal voltage of balanced each accumulator, the voltage output for optimizing accumulator are special
Property, further increase the cruising ability of battery pack.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easy
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (10)
1. a kind of computer system of included stand-by power supply, which is characterized in that including：
First rectification circuit, connect with AC power, and the output end of first rectification circuit connects a direct current regulation circuit；
Battery pack is made of several accumulators selectively connected, and the contact jaw of the battery pack connects first rectification
The output end of circuit, the nominal voltage of the accumulator is consistent with the rated operational voltage of computer, each accumulator
Nominal voltage of connecting is equal with the output DC voltage of the first rectification circuit；
Computer is provided with a direct-flow input end and an ac input end, the direct-flow input end and DC voltage-stabilizing electricity
Road output end selectively connects, and the ac input end connects one second rectification circuit；
Inverter circuit, selectivity are connected to the output end of first rectification circuit, the output end connection of the inverter circuit
One AC voltage-stabilizing circuit, the input terminal of second rectification circuit are selectively connect with the output end of the AC voltage-stabilizing circuit；
Wherein, when charging, each accumulator is connected in parallel, and when electric discharge, each accumulator is connected in series with, per adjacent two
A capacitance in parallel, the capacitance are connected in parallel on one of sides adjacent accumulator both ends between a accumulator.
2. the computer system of included stand-by power supply as described in claim 1, which is characterized in that first rectification circuit
A storage capacitor is connected between output positive and negative charge, the storage capacitor both ends selectively connect the first of a DC chopper circuit
The input terminal at end, the direct current regulation circuit is connected by the output end of the DC chopper circuit and first rectification circuit
It connects, the contact jaw of the battery pack is also selectively connected to the second end of the DC chopper circuit.
3. the computer system of included stand-by power supply as claimed in claim 2, which is characterized in that be provided in the battery pack
Three accumulators, wherein the first battery positive voltage is provided with first switch, first battery terminal negative is provided with second switch；
Second battery positive voltage is provided with third switch, and second battery terminal negative is provided with the 4th switch；Third battery positive voltage
It is provided with the 5th switch, the third battery terminal negative is provided with the 6th switch；The second switch, the 4th switch and the 6th are opened
The other end of pass connects altogether.
4. the computer system of included stand-by power supply as claimed in claim 3, which is characterized in that first accumulator and the
The first capacitance is provided between two accumulators, the anode of first capacitance is switched with first accumulator just by the 7th
Pole connects, and the cathode of first capacitance is connect by the 8th switch with the cathode of first accumulator；First capacitance
Anode connect with the anode of second accumulator by the 9th switch, the cathode of first capacitance switched by the tenth and
The cathode of second accumulator connects.
5. the computer system of included stand-by power supply as claimed in claim 4, which is characterized in that second accumulator and the
The second capacitance is provided between three accumulators, the anode of second capacitance passes through the 11st switch and second accumulator
The cathode of anode connection, second capacitance is connect by the 12nd switch with the cathode of second accumulator；Described second
The anode of capacitance is connect by the 13rd switch with the anode of the third accumulator, and the cathode of second capacitance passes through the tenth
Four switches are connect with the cathode of the third accumulator.
6. the computer system of included stand-by power supply as claimed in claim 5, which is characterized in that first accumulator and the
Third capacitance is provided between three accumulators, the anode of the third capacitance passes through the 15th switch and first accumulator
Anode connection, the cathode of the third capacitance is closed by sixteenmo to be connect with the cathode of first accumulator；The third
The anode of capacitance is connect by the 17th switch with the anode of the third accumulator, and the cathode of the third capacitance passes through the tenth
Eight switches are connect with the cathode of the third accumulator.
7. the computer system of included stand-by power supply as described in claim 1, which is characterized in that first capacitance, second
Capacitance is consistent with the specifications parameter of third capacitance.
8. the computer system of included stand-by power supply as claimed in claim 6, which is characterized in that first accumulator is born
It is extremely connect with the positive terminal of second accumulator by the 19th switch, the negative pole end of second accumulator passes through second
Ten switches are connect with the positive terminal of the third accumulator.
9. the computer system of included stand-by power supply as claimed in claim 8, which is characterized in that when battery pack charges, be closed
The first switch passes through the DC chopper circuit to the 6th switch, by the first switch, third switch and the 5th switch
It is connected to the cathode output end of first rectification circuit, by the connects end altogether of the second switch, the 4th switch and the 6th switch
The cathode output end of first rectification circuit is connected to by the DC chopper circuit.
10. the computer system of included stand-by power supply as claimed in claim 9, which is characterized in that when battery pack is discharged, be closed
The first switch, the 19th switch, the 20th switch and the 6th switch, first rectification is connected to by the first switch
The connects end altogether of the second switch, the 4th switch and the 6th switch is connected to first rectification by the cathode output end of circuit
The cathode output end of circuit, be connected between each adjacent two accumulator capacitance in turn with the accumulator turned in parallel of side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810529955.4A CN108681388A (en) | 2018-05-29 | 2018-05-29 | A kind of computer system of included stand-by power supply |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810529955.4A CN108681388A (en) | 2018-05-29 | 2018-05-29 | A kind of computer system of included stand-by power supply |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2223852Y (en) * | 1994-04-12 | 1996-04-03 | 浙江大学科技开发总公司力普电气工程分公司 | Uninterrupted power supply special for micro computer system |
| CN2702511Y (en) * | 2004-06-18 | 2005-05-25 | 李全忠 | Intelligent mini UPS |
| CN101677189A (en) * | 2008-09-18 | 2010-03-24 | 光宝科技股份有限公司 | Power source balance module and method thereof and power source module |
| CN103427121A (en) * | 2012-05-23 | 2013-12-04 | 固纬电子实业股份有限公司 | Battery pack |
| CN103560548A (en) * | 2013-08-26 | 2014-02-05 | 中国科学院苏州纳米技术与纳米仿生研究所 | Novel battery pack, battery pack connecting method and battery pack charge and discharge management method |
-
2018
- 2018-05-29 CN CN201810529955.4A patent/CN108681388A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2223852Y (en) * | 1994-04-12 | 1996-04-03 | 浙江大学科技开发总公司力普电气工程分公司 | Uninterrupted power supply special for micro computer system |
| CN2702511Y (en) * | 2004-06-18 | 2005-05-25 | 李全忠 | Intelligent mini UPS |
| CN101677189A (en) * | 2008-09-18 | 2010-03-24 | 光宝科技股份有限公司 | Power source balance module and method thereof and power source module |
| CN103427121A (en) * | 2012-05-23 | 2013-12-04 | 固纬电子实业股份有限公司 | Battery pack |
| CN103560548A (en) * | 2013-08-26 | 2014-02-05 | 中国科学院苏州纳米技术与纳米仿生研究所 | Novel battery pack, battery pack connecting method and battery pack charge and discharge management method |
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