CN110429704A - A kind of uninterrupted power system - Google Patents
A kind of uninterrupted power system Download PDFInfo
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- CN110429704A CN110429704A CN201910753842.7A CN201910753842A CN110429704A CN 110429704 A CN110429704 A CN 110429704A CN 201910753842 A CN201910753842 A CN 201910753842A CN 110429704 A CN110429704 A CN 110429704A
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- 238000004146 energy storage Methods 0.000 claims abstract description 125
- 230000007935 neutral effect Effects 0.000 claims abstract description 35
- 230000008878 coupling Effects 0.000 claims abstract description 27
- 238000010168 coupling process Methods 0.000 claims abstract description 27
- 238000005859 coupling reaction Methods 0.000 claims abstract description 27
- 239000003990 capacitor Substances 0.000 claims description 26
- 230000005611 electricity Effects 0.000 claims description 20
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 210000004508 polar body Anatomy 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000006872 improvement Effects 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical group 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
Classifications
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of uninterrupted power system, power supply is not powered off applied to providing load, uninterrupted power system includes: the first circuit for coupling the zero line of AC power source, couples the second circuit of AC power source zero line and the first circuit, and the tertiary circuit of the first circuit of coupling, second circuit and neutral terminal.Wherein, the first circuit includes the first power switch circuit and redundant battery of coupled in series；Second circuit includes energy-storage units, the second power switch circuit and the third power switch circuit of coupling；Tertiary circuit couples redundant battery, energy-storage units, the second power switch circuit, third power switch circuit and neutral terminal.The improvement that the present invention is simplified by line architecture, need not take up additional circuit board volume and its layout area, board substrate and processing time can be reduced, and then the technical issues of solving the volume and increased costs of uninterrupted power system, and achieve the purpose that reduce production cost, improve production efficiency and use upper portable use.
Description
Technical field:
The present invention is a kind of uninterrupted power system, espespecially a kind of to provide utility mode or battery mode not applied to load
Power-off system.
Background technique:
In general, the converter with power factor correction (Power Factor Correction, PFC) function is answered
When for battery mode under the 3kVA framework of current uninterrupted power system (Uninterruptible Power System, UPS),
The power supply of redundant AC power source is provided for load equipments such as electric appliances incessantly in the case where power grid is abnormal or has a power failure, to maintain
The equipment of electric appliance normal operation.Uninterrupted power system be used to maintain the key business machine such as computer, server under normal conditions
Or the continual power supply of precision instrument, prevent data degradation, communication disruption or device out of hand.
However, when the battery mode operated under 3kVA framework, most common application is uninterrupted power system (UPS) at present
Lead-acid battery is cooperated to use, and the volume of lead-acid battery is big, the service life is short, time-consuming consumption cost in maintenance, and traditional direct current is to straight
Stream (DC-to-DC) converter is push-pull type (Push-Pull) framework, different from the Boost circuit of AC network one end.
Layout area excessive on circuit board can be thus occupied, increases board substrate and processing time, and because of lead-acid battery body
Product size and increase Push-Pull route framework, therefore volume and cost for uninterrupted power system will all increase.
For this purpose, a kind of uninterrupted power system of improvement type how is designed, the improvement especially simplified in route framework, to solve
The technical issues of volume and increased costs of certainly aforementioned uninterrupted power system, for the important topic studied.
Summary of the invention:
The purpose of the present invention is to provide a kind of uninterrupted power system to be solved continuous by the improvement simplified in route framework
The technical issues of volume and increased costs of electric system, and it is upper just to reach reduction production cost, raising production efficiency and use
The purpose taken.
To achieve the above object, the invention provides the following technical scheme: a kind of uninterrupted power system, is used to provide city to load
Power mode or battery mode do not power off power supply, and the uninterrupted power system includes: the first circuit, couples the firewire of AC power source
End；First circuit includes the first power switch circuit and redundant battery of coupled in series；Wherein, first power is opened
Powered-down road couples the zero line；
Second circuit couples the zero line and first circuit；The second circuit includes the energy storage list of coupling
Member, the second power switch circuit and third power switch circuit；Wherein, the energy-storage units couple the zero line and institute
State the first power switch circuit, second power switch circuit couples the energy-storage units, the redundant battery and described
One neutral terminal of AC power source；The third power switch circuit couples the energy-storage units, second power switch electricity
Road, the redundant battery and the neutral terminal；And tertiary circuit, couple the redundant battery, the energy-storage units, institute
State the second power switch circuit, the third power switch circuit and the neutral terminal；
Wherein, when the AC power source is normal, the AC power source passes through the second circuit and third electricity
Road provides the power supply of the utility mode to the load；When the AC power source exception, the redundant battery passes through described
First power switch circuit, the second circuit and the tertiary circuit provide the confession of the battery mode to the load
Electricity.
Preferably, first power switch circuit includes that the first diode of coupled in series and the first transistor are opened
It closes, the first diode couples the zero line and the energy-storage units, the first transistor switch coupling redundant electricity
Pond.
Preferably, second power switch circuit includes that the 4th diode of coupled in series and second transistor are opened
It closes；Wherein, the 4th diode couples the energy-storage units, tertiary circuit and the third power switch circuit, second crystal
Pipe switch couples the third power switch circuit and neutral terminal.
Preferably, the third power switch circuit include third transistor switch, coupling the 5th diode and
7th diode；Wherein, the 5th diode of third transistor switch coupling, the 7th diode, second transistor switch with
And neutral terminal, the 5th diode couple the 4th diode, energy-storage units and tertiary circuit, the 7th diode couples redundant electricity
Pond and tertiary circuit.
Preferably, the tertiary circuit includes the second diode of third diode and the coupling that is one another in series, first
Capacitor, the second capacitor and the 6th diode；Wherein, the second diode couples energy-storage units, the 4th diode, the five or two
Polar body and third diode, the first capacitor device coupling second transistor switch, third transistor switch and the neutral conductor
End, the second capacitor coupling second transistor switch, third transistor switch, neutral terminal and third diode, institute
It states the 6th diode and couples the 7th diode and redundant battery.
Preferably, when operating on the utility mode, and when system is that positive half cycle operates: the first transistor switch
Shutdown, second transistor switch conduction and third transistor switch OFF, the energy-storage units are stored energy operation；And first electricity it is brilliant
Body switch OFF, second transistor switch OFF and third transistor switch OFF, the energy-storage units are to release and can operate.
Preferably, when energy-storage units are stored energy operation, zero line, energy-storage units, the 4th diode, second transistor
Switch and neutral terminal form the first energy storage path；When the energy-storage units are to release to operate, zero line, energy-storage units, the
Two diodes, first capacitor device and neutral terminal form first and release energy path.
Preferably, when operating on the utility mode, and when system is that negative half period operates: the first transistor switch closes
Break, second transistor switch OFF and third transistor switch conduction, energy-storage units are stored energy operation；First transistor switch closes
Disconnected, second transistor switch OFF and third transistor switch OFF, energy-storage units are to release and can operate.
Preferably, when energy-storage units are stored energy operation, neutral terminal, third transistor switch, the 5th diode, storage
It can the second energy storage path of unit and zero line formation；When the energy-storage units are to release to operate, neutral terminal, the second capacitor
Device, third diode, energy-storage units and zero line form second and release energy path.
Preferably, when operating on the battery mode, and when system is that positive half cycle operates: the first transistor switch is led
Lead to, second transistor switch conduction and third transistor switch conduction, energy-storage units are stored energy operation；First transistor switch is led
Logical, second transistor switch OFF and third transistor switch conduction, energy-storage units are to release and can operate.
Preferably, when energy-storage units are stored energy operation, the anode of redundant battery, the first transistor switch, the one or two
Pole pipe, energy-storage units, the 4th diode, second transistor switch, third transistor switch, the 7th diode and redundant battery
Cathode formed third energy storage path；
When the energy-storage units are to release to operate, the anode of redundant battery, the first transistor switch, first diode, storage
Can unit, the second diode, first capacitor device, third transistor switch, the 7th diode and redundant battery cathode formed
Third is released can path.
Preferably, when operating on the battery mode, and when system is that negative half period operates: the first transistor switch is led
Logical, second transistor switch conduction and the third transistor switch conduction, energy-storage units are stored energy operation；First transistor switch
Conducting, second transistor switch conduction and third transistor switch OFF, energy-storage units are to release and can operate.
Preferably, when energy-storage units are stored energy operation, the anode of redundant battery, the first transistor switch, the one or two
Pole pipe, energy-storage units, the 4th diode, second transistor switch, third transistor switch, the 7th diode and redundant battery
Cathode formed the 4th energy storage path；
When energy-storage units are to release to operate, the anode of redundant battery, the first transistor switch, first diode, energy storage
Unit, the 4th diode, second transistor switch, the second capacitor, the 6th diode and redundant battery cathode form the
Four release energy path.
Preferably, energy-storage units are inductor, redundant battery is lithium battery.
Compared with prior art, the invention has the benefit that
When using uninterrupted power system of the present invention, if AC power source is normal, AC power source passes through second circuit and third
Circuit provides the power supply of utility mode to load, wherein second circuit and tertiary circuit can carry out voltage to AC power source
Conversion process (such as: Boost boosting) it is supplied to load later；As AC power source it is abnormal (such as: surging, under-voltage are stopped
Electricity), the second power switch circuit and third the power switch electricity of the first power switch circuit of the first circuit and second circuit
Road can be through the control of conducting and shutdown on circuit, and the electric energy that redundant battery is exported passes through the first power switch electricity
Road enters second circuit and tertiary circuit and carries out voltage conversion process so that redundant battery by the first power switch circuit,
Second circuit and tertiary circuit provide the power supply of battery mode to load.
For this purpose, only by the first power switch circuit, that is, may make redundant battery by second in AC power source exception
Circuit and tertiary circuit carry out voltage conversion process, without additionally flowing through other except path independently of AC power source
Voltage conversion circuit (such as: Push-Pull converter), the improvement that the present invention is simplified by line architecture needs not take up volume
Outer circuit board volume and its layout area, it is possible to reduce board substrate and processing time, and then solve uninterrupted power system it
The technical issues of volume and increased costs, and reaching reduces production cost, improves production efficiency and using upper portable use
Purpose.
Detailed description of the invention:
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is the framework schematic diagram in uninterrupted power system of the present invention；
The circuit diagram that Fig. 2 connects for the first circuit of the invention, second circuit with tertiary circuit；
Fig. 3 is the first energy storage path schematic diagram when the present invention operates on utility mode and positive half cycle operates；
First when Fig. 4 operates on utility mode and positive half cycle operation for the present invention releases energy path schematic diagram；
Fig. 5 is the second energy storage path schematic diagram when the present invention operates on utility mode and negative half period operates；
Second when Fig. 6 operates on utility mode and negative half period operation for the present invention releases energy path schematic diagram；
Fig. 7 is the third energy storage path schematic diagram when present invention operates on battery mode and positive half cycle operates；
Fig. 8 is that the third when present invention operates on battery mode and positive half cycle operates releases energy path schematic diagram；
Fig. 9 is the 4th energy storage path schematic diagram when the present invention operates on battery mode and negative half period operates；
Figure 10 be operate on when battery mode and negative half period operate the 4th release can path schematic diagram；
10, the first circuit；11, the first power switch circuit；12, redundant battery；20, second circuit；21, energy-storage units；
22, the second power switch circuit；23, third power switch circuit；30, tertiary circuit；D1, first diode；D2, the two or two pole
Body；D3, third diode；D4, the 4th diode；D5, the 5th diode；D6, the 6th diode；D7, the 7th diode；Q1,
First transistor switch；Q2, second transistor switch；Q3, third transistor switch；200, it loads；300, input filter circuit；
400, inverter；500, output filter circuit；C1, first capacitor device；C2, the second capacitor；L, zero line；N, neutral terminal；
Lns1, the first energy storage path；Lns2, the second energy storage path；Lns3, third energy storage path；Lns4, the 4th energy storage path；Lnr1
First releases energy path；Lnr2, second release energy path；Lnr3, third are released can path；Lnr4, the 4th release energy path；B1, redundant electricity
Pond；L1, inductor.
Specific embodiment:
It please refers to shown in Fig. 1 and Fig. 2, one of uninterrupted power system of the invention embodiment, is applied to provide city to load 200
Power mode or battery mode do not power off power supply, and uninterrupted power system includes: the first circuit 10, second circuit 20 and tertiary circuit
30。
Wherein, the zero line L of the first circuit 10 coupling AC power source；First circuit 10 includes the first power of coupled in series
(component labelling B1, is in the present embodiment lithium battery, but do not limit this hair with this in such as figure for switching circuit 11 and redundant battery 12
It is bright)；Wherein, the first power switch circuit 11 couples zero line L.Specifically, the first power switch circuit 11 includes coupled in series
First diode D1 and the first transistor switch Q1.Wherein, first diode D1 couples zero line L, second circuit 20
Energy-storage units 21 (are in the present embodiment inductor L1), the first transistor switch Q1 couples redundant battery B1.
The zero line L and the first circuit 10 of the coupling AC power source of second circuit 20；Second circuit 20 includes the storage of coupling
It can unit 21 (i.e. inductor L1), the second power switch circuit 22 and third power switch circuit 23；Wherein, energy-storage units 21
Zero line L and the first power switch circuit 11 are coupled, the second power switch circuit 22 couples energy-storage units 21, redundant battery B1
And the neutral terminal N of AC power source.Third power switch circuit 23 couple energy-storage units 21, the second power switch circuit 22,
Redundant battery B1 and neutral terminal N.Specifically, the second power switch circuit 22 includes the 4th diode D4 of coupled in series
And second transistor switch Q2.Wherein, the 4th diode D4 couples energy-storage units 21, tertiary circuit 30 and third power and opens
Powered-down road 23, second transistor switch Q2 couple third power switch circuit 23 and neutral terminal N.Third power switch circuit
23 include the 5th diode D5 and the 7th diode D7 of third transistor switch Q3 and coupling.Wherein, third transistor
Switch Q3 couples the 5th diode D5, the 7th diode D7, second transistor switch Q2 and neutral terminal N.5th diode
D5 couples the 4th diode D4, energy-storage units 21 and tertiary circuit 30.7th diode D7 couples redundant battery B1 and the
Three-circuit 30.
Tertiary circuit 30 couples the redundant battery B1 of the first circuit 10, the energy-storage units 21 of second circuit 20, the second power
Switching circuit 22, third power switch circuit 23 and neutral terminal N.Specifically, tertiary circuit 30 includes third diode
D3 and the second diode D2 of the coupling that is one another in series, first capacitor device C1, the second capacitor C2 and the 6th diode D6.Its
In, the second diode D2 couples energy-storage units 21, the 4th diode D4, the 5th diode D5 and third diode D3.First
Capacitor C1 couples second transistor switch Q2, third transistor switch Q3 and neutral terminal N.Second capacitor C2 coupling the
Two-transistor switch Q2, third transistor switch Q3, neutral terminal N and third diode D3.6th diode D6 coupling the
Seven diode D7 and redundant battery B1.
Transistor switch in the present embodiment is metal oxide semiconductcor field effect transistor (MOSFET), bipolar junction
Transistor (BJT) or insulated gate bipolar transistor (IGBT), but not only it is limited only to above-mentioned transistor.
In the present embodiment, uninterrupted power system is coupled to input filter circuit 300, and wherein input filter circuit 300 is EMI
Filter circuit, the noises such as electromagnetic interference of AC power source to filter out input (as shown in Figure 1), and the uninterrupted power system is saturating
It crosses the direct current supply that export to the uninterrupted power system of coupling inverter 400 and carries out conversion for Alternating Current Power Supply, and through coupling
Output filter circuit 500 is connect, wherein 500 system of output filter circuit can be EMI filter circuit, to filter out output to load 200
The noises such as electromagnetic interference.Wherein, when AC power source is normal, AC power source is right by second circuit 20 and tertiary circuit 30
Load 200 provides the power supply of utility mode；When AC power source exception, redundant battery B1 by the first power switch circuit 11,
Second circuit 20 and 30 pairs of tertiary circuit loads 200 provide the power supply of battery mode.
Please refer to shown in Fig. 3, Fig. 4, the uninterrupted power system when operating on utility mode (when AC power source is normal), and
When uninterrupted power system is that positive half cycle operates:
As shown in figure 3, brilliant by the first transistor switch Q1 of control shutdown, second transistor switch Q2 conducting, third electricity
Body switch Q3 shutdown, at this point, energy-storage units 21 are stored energy operation.When energy-storage units 21 are stored energy operation, zero line L, energy storage
Unit 21, the 4th diode D4, second transistor switch Q2 and neutral terminal N form the first storage to 21 energy storage of energy-storage units
It can path Lns1.
As shown in figure 4, brilliant by the first transistor switch Q1 of control shutdown, second transistor switch Q2 shutdown, third electricity
Body switch Q3 shutdown, at this point, energy-storage units 21 are to release and can operate.When energy-storage units 21 are to release to operate, zero line L, energy storage
Unit 21, the second diode D2, first capacitor device C1 and neutral terminal N formation energy-storage units 21 release the first of energy and release energy path
Lnr1。
Please refer to shown in Fig. 5, Fig. 6, the uninterrupted power system when operating on utility mode (when AC power source is normal), and
When uninterrupted power system is that negative half period operates:
As shown in figure 5, brilliant by the first transistor switch Q1 of control shutdown, second transistor switch Q2 shutdown, third electricity
Body switch Q3 conducting, at this point, energy-storage units 21 are stored energy operation.When energy-storage units 21 are stored energy operation, neutral terminal N, the
Three transistor switch Q3, the 5th diode D5, energy-storage units 21 and zero line L form the second storage to 21 energy storage of energy-storage units
It can path Lns2.
As shown in fig. 6, brilliant by the first transistor switch Q1 of control shutdown, second transistor switch Q2 shutdown, third electricity
Body switch Q3 shutdown, at this point, energy-storage units 21 are to release and can operate.When energy-storage units 21 are to release to operate, neutral terminal N, the
Two capacitor C2, third diode D3, energy-storage units 21 and zero line L formation energy-storage units 21 release the second of energy and release energy path
Lnr2。
Please refer to shown in Fig. 7, Fig. 8, the uninterrupted power system when operating on battery mode (when AC power source exception), and
When uninterrupted power system is that positive half cycle operates:
As shown in fig. 7, brilliant by the first transistor switch Q1 of control conducting, second transistor switch Q2 conducting, third electricity
Body switch Q3 conducting, at this point, energy-storage units 21 are stored energy operation.When energy-storage units 21 are stored energy operation, redundant battery B1's
Anode, the first transistor switch Q1, first diode D1, energy-storage units 21, the 4th diode D4, second transistor switch Q2,
The third energy storage of the cathode of third transistor switch Q3, the 7th diode D7 and redundant battery B1 formation 21 energy storage of energy-storage units
Path Lns3.
As shown in figure 8, brilliant by the first transistor switch Q1 of control conducting, second transistor switch Q2 shutdown, third electricity
Body switch Q3 conducting, at this point, energy-storage units 21 are to release and can operate.When energy-storage units 21 are to release and can operate, redundant battery B1 is just
Pole, the first transistor switch Q1, the first diode D1, energy-storage units 21, the second diode D2, first capacitor device C1, third electricity
The third that the cathode formation energy-storage units 21 of crystal switch Q3, the 7th diode D7 and redundant battery B1 release energy is released can path
Lnr3。
Please refer to shown in Fig. 9, Figure 10, the uninterrupted power system when operating on battery mode (when AC power source exception),
And when uninterrupted power system is that negative half period operates:
As shown in figure 9, brilliant by the first transistor switch Q1 of control conducting, second transistor switch Q2 conducting, third electricity
Body switch Q3 conducting, at this point, energy-storage units 21 are stored energy operation.When energy-storage units 21 are stored energy operation, redundant battery B1's
Anode, the first transistor switch Q1, first diode D1, energy-storage units 21, the 4th diode D4, second transistor switch Q2,
The cathode of third transistor switch Q3, the 7th diode D7 and redundant battery B1 form the 4th storage to 21 energy storage of energy-storage units
It can path Lns4.
As shown in Figure 10, brilliant by the first transistor switch Q1 of control conducting, second transistor switch Q2 conducting, third electricity
Body switch Q3 shutdown, at this point, energy-storage units 21 are to release and can operate.When energy-storage units 21 are to release and can operate, redundant battery B1 is just
Pole, the first transistor switch Q1, first diode D1, energy-storage units 21, the 4th diode D4, second transistor switch Q2,
The cathode of two capacitor C2, the 6th diode D6 and redundant battery B1 formation energy-storage units 21 release the 4th of energy and release energy path
Lnr4。
As previously mentioned, when using uninterrupted power system of the present invention, if AC power source is normal, AC power source passes through the
Two circuits 20 and 30 pairs of tertiary circuit loads 200 provide the power supply of utility mode, wherein second circuit 20 and tertiary circuit
30 can carry out AC power source being supplied to load 200 after voltage conversion process (such as: Boost boost)；Such as AC power source
The of abnormal (such as: surging, under-voltage or power failure), the first power switch circuit 11 of the first circuit 10 and second circuit 20
Two power switch circuits 22 can be controlled with third power switch circuit 23 through the conducting and shutdown of circuit, so that redundant battery
The electric energy of B1 output can enter second circuit 20 by the first power switch circuit 11 and tertiary circuit 30 carries out voltage and turns
Processing is changed, so that redundant battery B1 passes through the first power switch circuit 11, second circuit 20 and 30 pairs of tertiary circuit loads 200
The power supply of battery mode is provided.
For this purpose, only transmitting the first power switch circuit 11 in AC power source exception, that is, redundant battery B1 may make to pass through
Second circuit 20 and tertiary circuit 30 carry out voltage conversion process, without additionally independently of AC power source flow through path it
Outer other voltage conversion circuits (such as: Push-Pull converter), the present invention penetrates the improvement that route framework simplifies, and is not required to
Occupy additional circuit board volume and its layout area, it is possible to reduce board substrate and processing time, and then solve continuous
The technical issues of volume and increased costs of electric system, and it is upper just to reach reduction production cost, raising production efficiency and use
Take the purpose used.
In addition to this, redundant battery B1 of the present invention is not to use traditional lead-acid battery, but use lithium battery
Collocation use, it is known that lead-acid battery have the shortcomings that volume is big, weight weigh, service life it is short, for this purpose, of the invention does not power off
System has the advantages that small in size, light-weight, service life and reliability preferably etc. other.
The above, the detailed description and schema of preferred embodiment only of the present invention, only the feature of the present invention is not
Be confined to this, be not intended to limit the invention, all ranges of the present invention should be subject to following claims, it is all together in
The embodiment of the spirit of scope of the present invention patent variation similar with its, should all be included in the scope of the present invention, any ripe
This those skilled in the art is known in the field of the present invention, can think easily and changes or modifications can all cover patent model in following this case
It encloses.
Claims (14)
1. a kind of uninterrupted power system, power supply is not powered off for provide utility mode or battery mode to load, it is described not power off
System includes: the first circuit, couples the zero line of AC power source；First circuit includes the first power switch of coupled in series
Circuit and redundant battery；Wherein, first power switch circuit couples the zero line；
Second circuit couples the zero line and first circuit；The second circuit includes the energy-storage units of coupling, the
Two power switch circuits and third power switch circuit；Wherein, the energy-storage units couple the zero line and described the
One power switch circuit, second power switch circuit couple the energy-storage units, the redundant battery and the exchange
One neutral terminal of power supply；The third power switch circuit couples the energy-storage units, second power switch circuit, institute
State redundant battery and the neutral terminal；And tertiary circuit, couple the redundant battery, the energy-storage units, described
Two power switch circuits, the third power switch circuit and the neutral terminal；
Wherein, when the AC power source is normal, the AC power source passes through the second circuit and the tertiary circuit pair
The load provides the power supply of the utility mode；When the AC power source exception, the redundant battery passes through described first
Power switch circuit, the second circuit and the tertiary circuit provide the power supply of the battery mode to the load.
2. a kind of uninterrupted power system according to claim 1, it is characterised in that: first power switch circuit includes string
The first diode and the first transistor switch, the first diode for joining coupling couple the zero line and the energy storage list
Member, the first transistor switch coupling redundant battery.
3. a kind of uninterrupted power system according to claim 2, it is characterised in that: second power switch circuit includes string
Join the 4th diode and second transistor switch of coupling；Wherein, the 4th diode couple the energy-storage units, tertiary circuit and
The third power switch circuit, the second transistor switch couple the third power switch circuit and neutral terminal.
4. a kind of uninterrupted power system according to claim 3, it is characterised in that: the third power switch circuit includes the
The 5th diode and the 7th diode that three transistors are switched, coupled；Wherein, the third transistor switch coupling the five or two
Polar body, the 7th diode, second transistor switch and neutral terminal, the 5th diode couple the 4th diode, energy-storage units
And tertiary circuit, the 7th diode couple redundant battery and tertiary circuit.
5. a kind of uninterrupted power system according to claim 4, it is characterised in that: the tertiary circuit includes third diode
And the second diode, first capacitor device, the second capacitor and the 6th diode for the coupling that is one another in series；Wherein, the 2nd 2
Polar body couples energy-storage units, the 4th diode, the 5th diode and third diode, and the first capacitor device coupling second is brilliant
Body Guan Kaiguan, third transistor switch and neutral terminal, the second capacitor coupling second transistor switch, third electricity are brilliant
Body switch, neutral terminal and third diode, the 6th diode couple the 7th diode and redundant battery.
6. a kind of uninterrupted power system according to claim 5, it is characterised in that: when operating on the utility mode, and when being
When system is positive half cycle operation: the first transistor switch OFF, second transistor switch conduction and third transistor switch close
Disconnected, which is stored energy operation；And the first transistor switch OFF, second transistor switch OFF and third transistor
Switch OFF, the energy-storage units are to release and can operate.
7. a kind of uninterrupted power system according to claim 6, it is characterised in that: when energy-storage units are stored energy operation, fire
Line end, energy-storage units, the 4th diode, second transistor switch and neutral terminal form the first energy storage path；When the energy storage
Unit is when releasing to operate, and zero line, energy-storage units, the second diode, first capacitor device and neutral terminal form first and release
It can path.
8. a kind of uninterrupted power system according to claim 5, it is characterised in that: when operating on the utility mode, and when being
When system is negative half period operation: the first transistor switch OFF, second transistor switch OFF and third transistor switch conduction, storage
Energy unit is stored energy operation；First transistor switch OFF, second transistor switch OFF and third transistor switch OFF, storage
Energy unit is to release and can operate.
9. a kind of uninterrupted power system according to claim 8, it is characterised in that: when energy-storage units are stored energy operation, in
Property line end, third transistor switch, the 5th diode, energy-storage units and zero line form the second energy storage path；When the energy storage
Unit is when releasing to operate, and neutral terminal, the second capacitor, third diode, energy-storage units and zero line form second and release
It can path.
10. a kind of uninterrupted power system according to claim 5, it is characterised in that: when operating on the battery mode, and when being
When system is positive half cycle operation: the first transistor switch conduction, second transistor switch conduction and third transistor switch conduction, storage
Energy unit is stored energy operation；First transistor switch conduction, second transistor switch OFF and third transistor switch conduction, storage
Energy unit is to release and can operate.
11. a kind of uninterrupted power system according to claim 10, it is characterised in that: when energy-storage units are stored energy operation,
The anode of redundant battery, the first transistor switch, first diode, energy-storage units, the 4th diode, second transistor switch,
The cathode of third transistor switch, the 7th diode and redundant battery forms third energy storage path；
When the energy-storage units are to release to operate, the anode of redundant battery, the first transistor switch, first diode, energy storage list
The cathode formation third of member, the second diode, first capacitor device, third transistor switch, the 7th diode and redundant battery
Releasing can path.
12. a kind of uninterrupted power system according to claim 5, it is characterised in that: when operating on the battery mode, and when being
When system is negative half period operation: the first transistor switch conduction, second transistor switch conduction and the third transistor switch conduction,
Energy-storage units are stored energy operation；First transistor switch conduction, second transistor switch conduction and third transistor switch OFF,
Energy-storage units are to release and can operate.
13. a kind of uninterrupted power system according to claim 12, it is characterised in that: when energy-storage units are stored energy operation,
The anode of redundant battery, the first transistor switch, first diode, energy-storage units, the 4th diode, second transistor switch,
The cathode of third transistor switch, the 7th diode and redundant battery forms the 4th energy storage path；
When energy-storage units be release can operate when, the anode of redundant battery, the first transistor switch, first diode, energy-storage units,
4th diode, second transistor switch, the second capacitor, the 6th diode and redundant battery cathode form the 4th and release energy
Path.
14. a kind of uninterrupted power system described in any one of -13 according to claim 1, it is characterised in that: energy-storage units are
Inductor, redundant battery are lithium battery.
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| CN201910753842.7A CN110429704A (en) | 2019-08-15 | 2019-08-15 | A kind of uninterrupted power system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910753842.7A CN110429704A (en) | 2019-08-15 | 2019-08-15 | A kind of uninterrupted power system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867949A (en) * | 2019-11-29 | 2020-03-06 | 深圳市盛能杰科技有限公司 | an uninterrupted power system |
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Application publication date: 20191108 |