CN104638692B - The batteries mounting circuit and uninterrupted power source of a kind of uninterrupted power source - Google Patents
The batteries mounting circuit and uninterrupted power source of a kind of uninterrupted power source Download PDFInfo
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- CN104638692B CN104638692B CN201310556983.2A CN201310556983A CN104638692B CN 104638692 B CN104638692 B CN 104638692B CN 201310556983 A CN201310556983 A CN 201310556983A CN 104638692 B CN104638692 B CN 104638692B
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- Prior art keywords
- batteries
- switch
- bus
- power source
- switch pipe
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/1555—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only for the generation of a regulated current to a load whose impedance is substantially inductive
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Circuit and uninterrupted power source are mounted the invention discloses a kind of batteries of uninterrupted power source, it is possible to increase the flexible configuration ability of battery quantity in batteries.The batteries mounting circuit of the uninterrupted power source includes：Inductance, first switch pipe and first switch, the first end of batteries, the first end of first switch pipe, one end of first switch are connected；The other end of first switch is connected to the tie point of civil power input switch and PFC inductance；Second end of batteries is connected with one end of inductance, and the connection end after being connected is connected to the designated ends of the first bridge arm of single-phase three bridge arm voltages converter；The designated ends of first bridge arm are one end corresponding with the first end of dc bus in first bridge arm, and the designated ends of first bridge arm are connected to the first end of the dc bus by a pull-switch；The other end of inductance is connected with the second end of first switch pipe, and the connection end after being connected is connected to the first end of the dc bus.
Description
Technical field
The present invention relates to electric and electronic technical field, more particularly to it is a kind of using single-phase three bridge arm voltages converter not between
The batteries mounting circuit and uninterrupted power source in power-off source.
Background technology
Uninterrupted power source（Uninterruptible Power Supply, UPS）It is widely used in various reliable to powering
Property require higher occasion, when civil power occurs abnormal, the voltage of the batteries of uninterrupted power source is carried after booster circuit
Dc bus is supplied, to ensure normal DC bus-bar voltage, and then realize to continue as load supplying.
However, the batteries of uninterrupted power source are in series by multiple batteries, when one of accumulator failure
When, it can accelerate battery damage because new and old battery is mixed, it is usually the case that, trouble accumulator will not be carried out more
Change, be only to remove trouble accumulator, continue to be used in series by the battery of other non-failures, now, the voltage of batteries
Will step-down.It can be seen that, if the boosting gain of the booster circuit of batteries is higher, the voltage of the batteries allowed can be got over
Low, the flexible configuration ability of battery quantity is stronger in batteries.
In the prior art, using single-phase three bridge arm voltages converter uninterrupted power source batteries mounting mode such as
Shown in Fig. 1, batteries BAT positive pole is connected to civil power input switch S and work(in uninterrupted power source by a switch S1
Rate factor correcting inductance Lpfc tie point, batteries BAT negative pole is connected to the negative of the dc bus in uninterrupted power source
Pole；Six switch pipe unit Q11~Q16 constitute single-phase three bridge arm voltages converter, and each switch pipe unit is specifically as follows
Switching tube with diode-built-in, such as the metal-oxide-semiconductor with parasitic diode, be integrated with the IGBT of diode, can also
For the inverse parallel switching tube of diode, such as inverse parallel the IGBT of diode；The of single-phase three bridge arm voltages converter
One bridge arm includes first switch pipe unit Q11 and second switch pipe unit Q12, two switch pipe units Q11 and Q12 tie point
It is used as the voltage input end of single-phase three bridge arm voltages converter；Second bridge arm includes the 3rd switch pipe unit Q13 and the 4th switch
Pipe unit Q14, two switch pipe units Q13 and Q14 tie point is used as zero line terminals；3rd bridge arm includes the 5th switching tube
The switches of unit Q15 and the 6th pipe unit Q16, two switch pipe units Q15 and Q16 tie point becomes as single-phase three bridge arm voltage
The voltage output end of parallel operation；In three bridge arms the two ends of each bridge arm respectively correspond to uninterrupted power source in dc bus it is positive and negative
Pole.
When being powered by batteries BAT, civil power input switch S disconnect, branch switch S1 closure, using power because
Number correction inductance Lpfc, the diode in switch pipe unit Q11, switch pipe unit Q12 can constitute basic booster circuit.But
It is that the boosting gain of the basic booster circuit is onlyD is the PWM ripples inputted for switch pipe unit Q12 control signal
The dutycycle of voltage, when batteries BAT voltage is relatively low, must increase accounting for for the PWM wave voltages that switch pipe unit Q12 is inputted
Sky is than to improve circuit boosting gain, meeting the voltage requirements of dc bus, and when dutycycle is excessive, the basic boosting is electric
Road it is less efficient, therefore, to ensure circuit efficiency, the generally voltage fall to batteries BAT has strict requirements,
So as to limit the flexible configuration ability of battery quantity.
The content of the invention
The embodiment of the present invention provides a kind of batteries of the uninterrupted power source using single-phase three bridge arm voltages converter and hung
Circuit and uninterrupted power source are connect, the problem of flexible configuration ability to solve battery quantity in batteries is poor.
The embodiment of the present invention provides a kind of batteries mounting circuit of uninterrupted power source, including inductance, first switch pipe
And first switch, wherein：
The first end of batteries, the first end of first switch pipe, the end of one end three of first switch are connected；First switch
The other end is connected to the specified node in uninterrupted power source, the specified node be civil power input switch in uninterrupted power source and
The tie point of PFC inductance；
Second end of batteries is connected with one end of inductance, and the connection end after being connected is connected to the list in uninterrupted power source
The designated ends of first bridge arm of the bridge arm voltage converter of phase three；The designated ends of first bridge arm are that first bridge arm is neutralized not
Corresponding one end of first end of dc bus in uninterruptible power, and the designated ends of first bridge arm are opened by a wiring
Connection is connected to the first end of the dc bus；
The other end of inductance is connected with the second end of first switch pipe, and the connection end after being connected is connected to the dc bus
First end；
First switch pipe bears to bear forward voltage during the voltage of batteries.
The embodiment of the present invention also provides a kind of uninterrupted power source, including above-mentioned batteries mounting circuit.
Beneficial effects of the present invention include：
In scheme provided in an embodiment of the present invention, when being powered by batteries, mounted by batteries in circuit
Inductance and first switch pipe, uninterrupted power source in original PFC inductance, single-phase three bridge arm voltages converter
Diode in second switch pipe unit and first switch pipe unit constitutes a booster circuit, and compared to existing skill
The art booster circuit has a higher boosting gain, therefore the voltage of batteries allows lower, i.e. battery in batteries
Quantity allows less, to improve the flexible configuration ability of battery quantity.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, with present invention implementation
Example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 mounts circuit diagram for the batteries of uninterrupted power source of the prior art；
Fig. 2 is the batteries mounting circuit diagram for the uninterrupted power source that the embodiment of the present invention 1 is provided；
Fig. 3 is one of batteries mounting circuit diagram for the uninterrupted power source that the embodiment of the present invention 2 is provided；
Fig. 4 is the two of the batteries mounting circuit diagram for the uninterrupted power source that the embodiment of the present invention 2 is provided；
Fig. 5 is one of batteries mounting circuit diagram for the uninterrupted power source that the embodiment of the present invention 3 is provided；
Fig. 6 is the two of the batteries mounting circuit diagram for the uninterrupted power source that the embodiment of the present invention 3 is provided；
Fig. 7 is the three of the batteries mounting circuit diagram for the uninterrupted power source that the embodiment of the present invention 3 is provided；
Fig. 8 is the schematic diagram for the uninterrupted power source that the embodiment of the present invention 4 is provided.
Embodiment
The implementation of the flexible configuration ability of battery quantity in batteries in order to provide raising uninterrupted power source,
Circuit is mounted the embodiments of the invention provide a kind of batteries of the uninterrupted power source using single-phase three bridge arm voltages converter
And uninterrupted power source, the preferred embodiments of the present invention are illustrated below in conjunction with Figure of description, it will be appreciated that this place
The preferred embodiment of description is merely to illustrate and explain the present invention, and is not intended to limit the present invention.And in situation about not conflicting
Under, the feature in embodiment and embodiment in the application can be mutually combined.
The embodiments of the invention provide a kind of batteries of the uninterrupted power source using single-phase three bridge arm voltages converter
Circuit, including inductance, first switch pipe and first switch are mounted, wherein：
The first end of batteries, the first end of first switch pipe, the end of one end three of first switch are connected；First switch
The other end is connected to the specified node in uninterrupted power source, and this specifies node to be the civil power input switch and work(in uninterrupted power source
The tie point of rate factor correcting inductance；
Second end of batteries is connected with one end of inductance, and the connection end after being connected is connected to the list in uninterrupted power source
The designated ends of first bridge arm of the bridge arm voltage converter of phase three；The designated ends of first bridge arm are in first bridge arm and uninterrupted
Corresponding one end of first end of dc bus in power supply, and the designated ends of first bridge arm are connected by a pull-switch
To the first end of the dc bus；
The other end of inductance is connected with the second end of first switch pipe, and the connection end after being connected is connected to the dc bus
First end；
First switch pipe bears to bear forward voltage during the voltage of batteries.
In one embodiment of this invention, first switch pipe is specifically as follows the switching tube without diode-built-in, example
The IGBT of such as non-integrated diode, now, preferably, above-mentioned batteries mounting circuit can also include diode, second
Switching tube and second switch, wherein：
Diode inverse parallel is in the two ends of first switch pipe；
The first end of batteries or the second end are connected to the dc bus in uninterrupted power source by second switch pipe
Second end；And second switch pipe bears to bear forward voltage during the voltage of dc bus；
Connection end after second end of batteries is connected with one end of inductance is connected to first bridge by second switch
The designated ends of arm.
In another embodiment of the invention, first switch pipe body can also be the switching tube with diode-built-in,
Such as the metal-oxide-semiconductor with parasitic diode, be integrated with the IGBT of diode, now, preferably, above-mentioned batteries mounting electricity
Road can also include second switch pipe and second switch, it is not necessary to which inverse parallel is in the diode at first switch pipe two ends.
Further, when the first end of batteries be specially the positive poles of batteries, batteries the second end it is specific
For batteries negative pole when, the first end of the dc bus is specially the negative pole of dc bus, the second end of the dc bus
The specially positive pole of dc bus；When the first end of batteries be specially the negative poles of batteries, batteries the second end
Specially the positive pole of batteries when, the first end of the dc bus is specially the positive pole of dc bus, the of the dc bus
Two ends are specially the negative pole of dc bus.
Below in conjunction with the accompanying drawings, the above-mentioned batteries mounting circuit provided with specific embodiment the present invention is retouched in detail
State.
Embodiment 1：
Fig. 2 is the battery of the uninterrupted power source for the single-phase three bridge arm voltages converter of use that the embodiment of the present invention 1 is provided
The schematic diagram of group mounting circuit, including inductance L1, first switch pipe Q1 and first switch S1, wherein：
Batteries BAT positive pole, first switch pipe Q1 first end, the first switch S1 end of one end three are connected；First
The switch S1 other end is connected to the tie point of civil power input switch S and PFC inductance Lpfc in uninterrupted power source；
Batteries BAT negative pole is connected with inductance L1 one end, and the connection end after being connected is connected in uninterrupted power source
Single-phase three bridge arm voltages converter the first bridge arm designated ends；The designated ends of first bridge arm are that first bridge arm is neutralized not
Corresponding one end of negative pole of dc bus in uninterruptible power, and the designated ends of first bridge arm pass through a pull-switch S0
It is connected to the negative pole of the dc bus；
The inductance L1 other end is connected with first switch pipe Q1 the second end, and it is female that the connection end after being connected is connected to the direct current
The negative pole of line；
First switch pipe Q1 bears to bear forward voltage during batteries BAT voltage.
Wherein, first switch pipe Q1 is specifically as follows metal-oxide-semiconductor, IGBT etc..
When first switch pipe Q1 is specially metal-oxide-semiconductor, the drain electrode of metal-oxide-semiconductor is used as first switch pipe Q1 first end, metal-oxide-semiconductor
Source electrode as first switch pipe Q1 the second end, the grid of metal-oxide-semiconductor as first switch pipe Q1 control end.
When first switch pipe Q1 is specially IGBT, IGBT colelctor electrode is used as first switch pipe Q1 first end, IGBT
Emitter stage as first switch pipe Q1 the second end, IGBT base stage as first switch pipe Q1 control end.
Above-mentioned metal-oxide-semiconductor, IGBT are merely illustrative, are not intended to limit the present invention.
In order to further illustrate the uninterrupted power source for the single-phase three bridge arm voltages converter of use that the embodiment of the present invention 1 is provided
Batteries mounting circuit, its operation principle is illustrated below.
Civil power it is normal, be powered by civil power when, civil power input switch S closures, pull-switch S0 closures, first switch
S1 disconnects, can by carrying out voltage transformation by six switch pipe unit Q11~Q16 single-phase three bridge arm voltages converters constituted
To provide stable voltage output.
When detecting city's electrical anomaly, needing to be powered by batteries BAT, single-phase three bridge arm voltages converter is controlled
In first switch unit Q11 and second switch unit Q12 shut-offs, civil power input switch S disconnects, and pull-switch S0 disconnects, the
One switch S1 closures, the control end and single-phase three bridge arm voltage for then mounting the first switch pipe Q1 in circuit to batteries becomes
In the control end input identical PWM wave voltages of second switch pipe unit Q12 in parallel operation, control batteries mounting circuit
Second switch pipe unit Q12 copped waves in first switch pipe Q1 and single-phase three bridge arm voltages converter, simultaneously turn on, turn off.
The second switch pipe unit Q12 in first switch pipe Q1 and single-phase three bridge arm voltages converter in batteries mounting circuit is same
When turning on, inductance L1 in batteries mounting circuit can pass through the first switch pipe Q1 energy storage of conducting, power factor school
Positive inductance Lpfc can be by the second switch pipe unit Q12 energy storage of conducting；First switch in batteries mount circuit
When second switch pipe unit Q12 in pipe Q1 and single-phase three bridge arm voltages converter is simultaneously turned off, in batteries mounting circuit
Inductance L1 and PFC inductance Lpfc series connection, pass through the first switch pipe unit in single-phase three bridge arm voltages converter
Diode in Q11 charges for electric capacity C1 between the dc bus of uninterrupted power source, it is ensured that DC bus-bar voltage.
It can be seen that, when being powered by batteries BAT, inductance L1 and first switch pipe in batteries mounting circuit
Q1, original PFC inductance Lpfc, the second switch pipe unit Q12 and first of single-phase three bridge arm voltages converter
Diode in switch pipe unit Q11 constitutes an enhanced booster circuit, and the boosting of the enhanced booster circuit increases
Benefit isD opens for second in the first switch pipe Q1 and single-phase three bridge arm voltages converter in batteries mounting circuit
The control signal for closing pipe unit Q12 is the dutycycle of the PWM wave voltages of input, therefore compared to prior art, the present invention is implemented
The batteries mounting circuit for the uninterrupted power source that example 1 is provided allows the voltage of batteries lower, that is, allows in batteries
Battery quantity is less, improves the flexible configuration ability of battery quantity.
Embodiment 2：
Fig. 3 is the battery of the uninterrupted power source for the single-phase three bridge arm voltages converter of use that the embodiment of the present invention 2 is provided
The schematic diagram of group mounting circuit, including inductance L1, the first switch pipe Q1 with diode-built-in, second switch pipe Q2, first
S1 and second switch S2 is switched, wherein：
Batteries BAT positive pole, first switch pipe Q1 first end, the first switch S1 end of one end three are connected；
The first switch S1 other end is connected to civil power input switch S and PFC inductance in uninterrupted power source
Lpfc tie point；
Batteries BAT negative pole is connected with inductance L1 one end, and the connection end after being connected is connected to by second switch
The designated ends of first bridge arm of the single-phase three bridge arm voltages converter in uninterrupted power source；The designated ends of first bridge arm for this
One end corresponding with the negative pole of the dc bus in uninterrupted power source in one bridge arm, and the designated ends of first bridge arm pass through one
Individual pull-switch is connected to the negative pole of the dc bus；
The inductance L1 other end is connected with first switch pipe Q1 the second end, and it is female that the connection end after being connected is connected to the direct current
The negative pole of line；
First switch pipe Q1 bears to bear forward voltage during the voltage of batteries；
Second switch pipe Q2 first end is connected to the positive pole of the dc bus in uninterrupted power source, the second end and battery
Group BAT positive pole is connected；And second switch pipe Q2 bears to bear forward voltage during the voltage of dc bus.
It can be seen that, if the first switch pipe in above-described embodiment 1 is also the switching tube with diode-built-in, compared to above-mentioned
Embodiment 1, the batteries mounting circuit for the uninterrupted power source that the embodiment of the present invention 2 is provided, only many second switch pipe Q2 and
Second switch S2.
In other embodiments of the invention, the above-mentioned first switch pipe Q1 with diode-built-in can also use inverse parallel
The switching tube of diode is replaced.
In order to further illustrate the uninterrupted power source for the single-phase three bridge arm voltages converter of use that the embodiment of the present invention 2 is provided
Batteries mounting circuit, its operation principle is illustrated below.
Civil power it is normal, be powered by civil power when, civil power input switch S closures, pull-switch S0 closures, first switch
S1 disconnects, and second switch S2 disconnects, and passes through the single-phase three bridge arm voltages converter being made up of six switch pipe unit Q11~Q16
Voltage transformation is carried out, stable voltage output can be provided.
While, the control end that the second switch pipe Q2 in circuit can be mounted to batteries inputs PWM wave voltages,
Control batteries mounting circuit in second switch pipe Q2 copped waves, now, batteries mounting circuit in inductance L1, second
Switching tube Q2 and first switch pipe Q1 diode-built-in constitute a reduction voltage circuit, it is possible to achieve filled for batteries BAT
Electricity.
In another embodiment of the invention, second switch pipe Q2 the second end can also get along well batteries BAT just
Extremely it is connected, and is connected with batteries BAT negative pole, as shown in figure 4, when being powered by civil power, to second switch pipe Q2
Control end input PWM wave voltages when, batteries mounting circuit in inductance L1, second switch pipe Q2 and first switch pipe Q1
Diode-built-in constitute a falling-rising volt circuit, pass through the PWM wave voltages for controlling second switch pipe Q2 control end to input
Dutycycle, decompression can also be realized, be batteries BAT charging.
When detecting city's electrical anomaly, needing to be powered by batteries BAT, single-phase three bridge arm voltages converter is controlled
In first switch unit Q11 and second switch unit Q12 shut-offs, civil power input switch S disconnects, and pull-switch S0 disconnects, the
One switch S1 closure, second switch S2 closure, then to batteries mount circuit in first switch pipe Q1 control end and
The control end input identical PWM wave voltages of second switch pipe unit Q12 in single-phase three bridge arm voltages converter, control electric power storage
The second switch pipe unit Q12 copped waves in first switch pipe Q1 and single-phase three bridge arm voltages converter in the group mounting circuit of pond,
Simultaneously turn on, turn off.When batteries are powered in the batteries BAT principles being powered and above-described embodiment 1
Principle is identical, will not be repeated here.
It can be seen that, the batteries of the uninterrupted power source provided using the embodiment of the present invention 2 mount circuit, can not only improve
The flexible configuration ability of battery quantity, is also implemented as battery charging.
Embodiment 3：
Fig. 5 is the battery of the uninterrupted power source for the single-phase three bridge arm voltages converter of use that the embodiment of the present invention 3 is provided
The schematic diagram of group mounting circuit, including inductance L1, first switch pipe Q1 and first switch S1, wherein：
Batteries BAT negative pole, first switch pipe Q1 first end, the first switch S1 end of one end three are connected；First
The switch S1 other end is connected to the tie point of civil power input switch S and PFC inductance Lpfc in uninterrupted power source；
Batteries BAT positive pole is connected with inductance L1 one end, and the connection end after being connected is connected in uninterrupted power source
Single-phase three bridge arm voltages converter the first bridge arm designated ends；The designated ends of first bridge arm are that first bridge arm is neutralized not
Corresponding one end of positive pole of dc bus in uninterruptible power, and the designated ends of first bridge arm are connected by a pull-switch
It is connected to the positive pole of the dc bus；
The inductance L1 other end is connected with first switch pipe Q1 the second end, and it is female that the connection end after being connected is connected to the direct current
The positive pole of line；
First switch pipe Q1 bears to bear forward voltage during batteries BAT voltage.
It can be seen that, the batteries mounting circuit of the uninterrupted power source in the embodiment of the present invention 3 shown in Fig. 5 is above-described embodiment
The batteries of uninterrupted power source in 1 shown in Fig. 2 mount the modification of circuit, and its principle is referring to above-described embodiment 1.
Further, when first switch pipe Q1 is specially the switching tube with diode-built-in, second can also be increased
Switching tube Q2 and second switch S2, to realize the charging to batteries BAT, physical circuit can as is seen in fig. 6 or fig. 7, its
Principle is referring to above-described embodiment 2.
Also, the first switch pipe Q1 with diode-built-in can also be opening for diode of inverse parallel in Fig. 6 or Fig. 7
Guan Guan.
The embodiment of the present invention also provides a kind of uninterrupted power source using three bridge arm voltage converters, including above-mentioned Fig. 2-figure
7 it is any shown in batteries mounting circuits, below to include the uninterrupted electricity that batteries shown in above-mentioned Fig. 2 mount circuit
Exemplified by source, uninterrupted power source provided in an embodiment of the present invention is illustrated.
Embodiment 4：
Fig. 8 is the schematic diagram of the uninterrupted power source for the bridge arm voltage converter of use three that the embodiment of the present invention 4 is provided.
Not only include three bridge arm voltage converters, batteries mounting circuit in the circuit of the uninterrupted power source, can be with
Including electric capacity of voltage regulation C2, batteries BAT two ends are parallel to, the stabilization to keep batteries BAT port voltages is filtered out
High-frequency harmonic.
Further, input filter capacitor C3 and output filter capacitor can also be included in the circuit of the uninterrupted power source
C4, respectively to filter out the high frequency ripple in input voltage and output voltage.
Further, the first filter inductance L2, the second filter inductance L3 can also be included in the circuit of the uninterrupted power source,
To further filter out the high frequency ripple in output voltage.
In summary, the batteries mounting circuit and uninterrupted electricity of uninterrupted power source provided in an embodiment of the present invention
Source, it is possible to increase the flexible configuration ability of battery quantity in batteries.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (4)
1. the batteries mounting circuit of a kind of uninterrupted power source, it is characterised in that opened including inductance, first switch pipe and first
Close, wherein：
The first end of batteries, the first end of first switch pipe, the end of one end three of first switch are connected；First switch it is another
End is connected to the specified node in uninterrupted power source, and the specified node is the civil power input switch and power in uninterrupted power source
The tie point of factor correcting inductance；
Second end of batteries is connected with one end of inductance, and the connection end after being connected is connected to single-phase three in uninterrupted power source
The designated ends of first bridge arm of bridge arm voltage converter；The designated ends of first bridge arm are in first bridge arm and uninterrupted
Corresponding one end of first end of dc bus in power supply, and the designated ends of first bridge arm are connected by a pull-switch
It is connected to the first end of the dc bus；
The other end of inductance is connected with the second end of first switch pipe, and the connection end after being connected is connected to the of the dc bus
One end；
First switch pipe bears to bear forward voltage during the voltage of batteries；
When first switch pipe is specially the switching tube with diode-built-in, the batteries mounting electricity of the uninterrupted power source
Road also includes second switch pipe and second switch, wherein：The first end of batteries or the second end are connected by second switch pipe
Second end of the dc bus into uninterrupted power source；And second switch pipe bears to bear positive electricity during the voltage of dc bus
Pressure；Connection end after second end of batteries is connected with one end of inductance is connected to first bridge arm by second switch
Designated ends；Or
When first switch pipe is specially the switching tube without diode-built-in, in addition to diode, second switch pipe and the
Two switches, wherein：Diode inverse parallel is in the two ends of first switch pipe；The first end of batteries or the second end are opened by second
Close the second end of the dc bus that pipe is connected in uninterrupted power source；And second switch pipe bears to hold during the voltage of dc bus
By forward voltage；Connection end after second end of batteries is connected with one end of inductance is connected to described by second switch
The designated ends of one bridge arm.
2. the batteries mounting circuit as shown in claim 1 is any, it is characterised in that when the first end of batteries is specific
When for the second end of the positive pole of batteries, batteries being specially the negative pole of batteries, the first end of the dc bus
The specially negative pole of dc bus, the second end of the dc bus is specially the positive pole of dc bus.
3. the batteries mounting circuit as shown in claim 1 is any, it is characterised in that when the first end of batteries is specific
When for the second end of the negative pole of batteries, batteries being specially the positive pole of batteries, the first end of the dc bus
The specially positive pole of dc bus, the second end of the dc bus is specially the negative pole of dc bus.
4. a kind of uninterrupted power source, it is characterised in that mount circuit including the batteries as described in claim 1-3 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310556983.2A CN104638692B (en) | 2013-11-08 | 2013-11-08 | The batteries mounting circuit and uninterrupted power source of a kind of uninterrupted power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310556983.2A CN104638692B (en) | 2013-11-08 | 2013-11-08 | The batteries mounting circuit and uninterrupted power source of a kind of uninterrupted power source |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1336709A (en) * | 2001-07-26 | 2002-02-20 | 深圳市安圣电气有限公司 | Front stage voltage doubler circuit for UPS and its control method |
| CN101699698A (en) * | 2009-07-30 | 2010-04-28 | 艾默生网络能源有限公司 | Uninterruptible power supply |
| CN102709995A (en) * | 2012-06-06 | 2012-10-03 | 华为技术有限公司 | Uninterruptible power supply circuit and control method thereof |
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| CN103208855B (en) * | 2012-01-17 | 2016-06-29 | 华为技术有限公司 | A kind of uninterrupted power source and DC-DC converter |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1336709A (en) * | 2001-07-26 | 2002-02-20 | 深圳市安圣电气有限公司 | Front stage voltage doubler circuit for UPS and its control method |
| CN101699698A (en) * | 2009-07-30 | 2010-04-28 | 艾默生网络能源有限公司 | Uninterruptible power supply |
| CN102709995A (en) * | 2012-06-06 | 2012-10-03 | 华为技术有限公司 | Uninterruptible power supply circuit and control method thereof |
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