CN109638955A - A kind of power supply circuit - Google Patents

A kind of power supply circuit Download PDF

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Publication number
CN109638955A
CN109638955A CN201811611371.8A CN201811611371A CN109638955A CN 109638955 A CN109638955 A CN 109638955A CN 201811611371 A CN201811611371 A CN 201811611371A CN 109638955 A CN109638955 A CN 109638955A
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CN
China
Prior art keywords
input terminal
output end
switch
connect
dynamic point
Prior art date
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Granted
Application number
CN201811611371.8A
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Chinese (zh)
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CN109638955B (en
Inventor
汤尔漫
周眉
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Long And New Technology (shenzhen) Co Ltd
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Long And New Technology (shenzhen) Co Ltd
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Priority to CN201811611371.8A priority Critical patent/CN109638955B/en
Publication of CN109638955A publication Critical patent/CN109638955A/en
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Publication of CN109638955B publication Critical patent/CN109638955B/en
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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

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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

The present invention relates to power supply technique fields, provide a kind of power supply circuit.The power supply circuit includes battery back-up module, for providing backup power source；Mode switching circuit, including standby power mode and non-standby power mode, mode switching circuit are connect with battery back-up module, are worked for cut-in stand-by battery module in standby power mode or non-standby power mode；Path switching circuit, including first path mode and the second path mode, path switching circuit are connect with mode switching circuit, it is not inputted in mains supply, and battery back-up module works in standby power mode, and path switching circuit work is in first path mode, with output is ready for use power supply；It is inputted in mains supply, and battery back-up module work, in standby power mode, path switching circuit works in the second path mode, to export mains supply and disconnect the output of backup power source.The present invention realizes the switching of mains supply and backup power source, and mains supply is preferential.

Description

A kind of power supply circuit
[technical field]
The present invention relates to power supply technique field more particularly to a kind of power supply circuits.
[background technique]
To solve puzzlement of some areas user without electricity or frequent power cut problem, stored currently, passing through battery back-up module The electric energy that solar energy and/or alternating current provide, solves the electricity consumption primary demand of the part common people and family.
In the implementation of the present invention, discovery the relevant technologies have the following problems inventor: current reserve battery mould Block belongs to two different supply networks from mains supply, and especially in power-shortage area, there are mains supplies and backup power source to mention Power supply source input, including mains supply can access (including mains supply normally input and mains supply have a power failure after send a telegram here again) And backup power source can access, mains supply can access and backup power source not can access, mains supply not can access (for example, alternating current Power outage trimming and mains supply meet with emergency case power failure etc.) and backup power source can access and mains supply can not The situation that access and backup power source not can access.Current power supply plan cannot realize mains supply and standby according to reality With the switching of power supply, and exist concurrently with mains supply and in the case that backup power source can access, it can only be according to having connected Independently-powered network is powered, and cannot be preferentially powered using mains supply.
[summary of the invention]
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of power supply circuits, can be realized alternating current electricity The switching in source and backup power source, and in the case where mains supply input, preferentially it is switched to mains supply power supply.
In order to solve the above technical problems, the embodiment of the present invention the following technical schemes are provided:
The embodiment of the invention provides a kind of power supply circuits, comprising:
Battery back-up module, including standby power mode and non-standby power mode, for providing backup power source；
Mode switching circuit, the mode switching circuit are connect with the battery back-up module, described spare for switching Battery module works in the standby power mode or the non-standby power mode；
Path switching circuit, including first path mode and the second path mode, the path switching circuit and the mould The connection of formula switching circuit, does not input in mains supply, and the battery back-up module works in the standby power mode, The path switching circuit work is in the first path mode, to export the backup power source；It is inputted in mains supply, and In the standby power mode, the path switching circuit work is in second path mould for the battery back-up module work Formula, to export the mains supply and disconnect the output of the backup power source.
Optionally, the power supply circuit further include:
Trigger switch circuit, including triggering mode and non-toggle mode, the trigger switch circuit and the pattern switching Circuit connection, the trigger switch circuit are used under the standby power mode, are worked in the triggering mode, described non- Under standby power mode, work in the non-toggle mode；
Reverse-filling switching circuit is used under the triggering mode with the trigger switch circuit connection, and work disconnects State works under the non-toggle mode on state；
Counnter attack switching circuit is connect, described standby respectively with the path switching circuit and the reverse-filling switching circuit With under electric source modes, on state, the reverse-filling switching circuit works in off-state for the counnter attack switching circuit work, To export the backup power source or the mains supply；Under the non-standby power mode, the counnter attack switching circuit work In off-state, the reverse-filling switching circuit work is on state, to export the mains supply.
Optionally, the battery back-up module includes battery pack, solar recharging management circuit, commercial power charged management electricity Road, recharge logic selection circuit and inverter group；
The battery pack is used for storing electricity；
The solar recharging management circuit and the recharge logic selection circuit, the commercial power charged management circuit, institute Battery pack, the inverter group and solar photovoltaic device connection are stated, for realizing solar recharging；
The commercial power charged management circuit also with the recharge logic selection circuit, the battery pack, the inverter group And the mains supply connection, for realizing commercial power charged；
The recharge logic selection circuit is also connect with the solar photovoltaic device, in the photovoltaic device In the case where part input power, works in off-state, to realize solar recharging, do not inputted in the solar photovoltaic device In the case where power supply, work is commercial power charged to realize on state；
The inverter group is also connect with the battery pack and the mode switching circuit, for depositing the battery pack The DC conversion of storage is alternating current.
Optionally, the battery back-up module further include inverse switch, solar charging electric switch, it is commercial power charged switch, too Positive energy charging indication and commercial power charged indicating circuit；
The inverse switch is between the battery pack and the inverter group；
The solar charging electric switch and solar recharging management circuit, the commercial power charged switch, the battery Group and inverter group connection are charged for gating the solar recharging management circuit for the battery pack；
It is described it is commercial power charged switch also with the commercial power charged management circuit, the battery pack and so inverter group company It connects, for gating the commercial power charged management circuit, charges for the battery pack；
The solar recharging indicating circuit and the solar recharging manage circuit connection, are used to indicate the solar energy Whether charge management circuit is in running order；
The commercial power charged indicating circuit and the commercial power charged management circuit connection, are used to indicate the commercial power charged pipe Whether in running order manage circuit.
Optionally, the inverter group includes the first inverter and the second inverter, and first inverter includes first Direct current positive input terminal, the first direct current negative input end, first switch end, the first exchange positive output end and the first exchange negative output End, second inverter exchange just including the second direct current positive input terminal, the second direct current negative input end, second switch end, second Output end and the second exchange negative output terminal；
The first direct current positive input terminal and the second direct current positive input terminal, the inverse switch, the solar charging Electric switch and the commercial power charged switch connection, the first direct current negative input end and the second direct current negative input end, institute State inverse switch, solar recharging management circuit and the commercial power charged management circuit connection；
The first switch end, it is described first exchange positive output end and it is described first exchange negative output terminal respectively with it is described Mode switching circuit connection, the second switch end, the second exchange positive output end and the second exchange negative output terminal It is connect respectively with the mode switching circuit.
Optionally, the mode switching circuit includes switching switch, first diode and the second diode；
The switching switch includes switching the dynamic point input terminal of switch and switching switch set point output end, under original state, institute It states the dynamic point input terminal of switching switch to be not connected to the switching switch set point output end, the dynamic point input terminal of switching switch includes A first dynamic point input terminal, a second dynamic point input terminal, the dynamic point input terminal of third, a 4th dynamic point input terminal, the 5th dynamic point input terminal with And the 6th dynamic point input terminal, the switching switch set point output end include the first fixed point output end, second pinpoint output end and Third pinpoints output end；
Described first dynamic point input terminal is connect with the anode at the first switch end and the first diode, and described second Dynamic point input terminal is connect with the anode at the second switch end and second diode, the dynamic point input terminal and first of the third Positive output end connection is exchanged, the described 4th dynamic point input terminal is connect with the second exchange positive output end, the described 5th dynamic point input terminal It is connect with the first exchange negative output terminal, the described 6th dynamic point input terminal is connect with the second exchange negative output terminal；
The first fixed point output end is connect with DC power supply, the second fixed point output end and third fixed point output End is connect with the path switching circuit respectively；
The cathode of the first diode is connect with the cathode of second diode and working power.
Optionally, the path switching circuit includes switching relay, the first light emitting diode and the second light-emitting diodes Pipe；
The switching relay includes switching relay coil and switching relay switch, the switching relay switch packet The dynamic point input terminal of switching relay switch and switching relay switch fixed point output end are included, the dynamic point of the switching relay switch is defeated Enter end include a 7th dynamic point input terminal, it is a 8th dynamic point input terminal, a 9th dynamic point input terminal, a tenth dynamic point input terminal, the 11st dynamic Point input terminal and a 12nd dynamic point input terminal, the switching relay switch fixed point output end include the 4th pinpoint output end, 5th fixed point output end and the 6th fixed point output end；
Under original state, the described 7th dynamic point input terminal is connect with the 4th fixed point output end, and the described 8th dynamic point is defeated It is hanging to enter end, the described 9th dynamic point input terminal is connect with the 5th fixed point output end, and the described tenth dynamic point input terminal is hanging, institute It states the 11st dynamic point input terminal to connect with the 6th fixed point output end, the described 12nd dynamic point input terminal is hanging；
Described one end for changing relay coil is connect with the anode of the described 12nd dynamic point input terminal and the mains supply, The other end for changing relay coil is connect with the cathode of the described tenth dynamic point input terminal and the mains supply；
A described 7th dynamic point input terminal connect with the anode of first light emitting diode, the described 8th dynamic input terminal and The anode of second light emitting diode connects, and the described 9th dynamic point input terminal is connect with the second fixed point output end, described Tenth dynamic point input terminal is connect with the cathode of the mains supply, and the described 11st dynamic point input terminal and third fixed point export End connection, the described 12nd dynamic point input terminal are connect with the anode of the mains supply；
The 4th fixed point output end is connect with the working power, the 5th fixed point output end and the 6th fixed point Output end is connect with the counnter attack switching circuit respectively；
The cathode of first light emitting diode is connect with the cathode of second light emitting diode and ground terminal.
Optionally, the trigger circuit includes trigger relay and third light emitting diode；
The trigger relay includes trigger relay coil and trigger relay switch, the trigger relay switch packet The dynamic point input terminal of trigger relay switch and trigger relay switch set point output end are included, the dynamic point of trigger relay switch is defeated Entering end includes the 13rd dynamic point input terminal and a 14th dynamic point input terminal, and the trigger relay switch set point output end includes the Seven fixed point output ends, under original state, the described 13rd dynamic point input terminal pinpoints output end with the described 7th and connect；
One end of the trigger relay coil is connect with the working power, the other end of the trigger relay coil It is connect with the ground terminal；
Described 13rd dynamic point input terminal is connect with the reverse-filling switching circuit, the described 14th dynamic point input terminal and institute The anode connection of third light emitting diode is stated, the 7th fixed point output end is connect with the cathode of the mains supply；
The cathode of the third light emitting diode is connect with the anode of the reverse-filling switching circuit and the mains supply；
The reverse-filling switching circuit includes reverse-filling relay and the 4th light emitting diode；
The reverse-filling relay includes reverse-filling relay coil and reverse-filling relay switch, the reverse-filling relay Device switch includes the dynamic point input terminal of reverse-filling relay switch and reverse-filling relay switch pinpoints output end, under original state, The dynamic point input terminal of the reverse-filling relay switch and reverse-filling relay switch fixed point output end are not connected to, described anti-down Filling the dynamic point input terminal of relay switch includes the 15th dynamic point input terminal, the 16th dynamic point input terminal, the 17th dynamic point input terminal And the 18th dynamic point input terminal, the reverse-filling relay switch fixed point output end includes the 8th fixed point output end, the 9th fixed Point output end, the tenth fixed point output end and the 11st fixed point output end；
The cathode and the mains supply of one end of the reverse-filling relay coil and the third light emitting diode Anode connection, the other end of the reverse-filling relay coil are connect with the 13rd dynamic point input terminal；
Described 15th dynamic point input terminal is connect with the counnter attack switching circuit and the anode of load, the ten six dynamic point Input terminal is connect with the cathode of the counnter attack switching circuit and the load, the described 17th dynamic point input terminal and the 4th hair The anode of optical diode connects, and the described 18th dynamic point input terminal is connect with the cathode of the 4th light emitting diode；
The 8th fixed point output end is connect with the anode of the mains supply, the 9th fixed point output end and the city The cathode of power supply connects, and the tenth fixed point output end is connect with the 9th fixed point output end, and the 11st fixed point is defeated Outlet is connect with the anode of the mains supply；
The counnter attack switching circuit includes counnter attack relay, and the counnter attack relay includes counnter attack relay coil and counnter attack Relay switch, the counnter attack relay switch include the dynamic point input terminal of counnter attack relay switch and counnter attack relay switch fixed point Output end, under original state, the dynamic point input terminal of the counnter attack relay switch and the counnter attack relay switch pinpoint output end It is not connected to, the dynamic point input terminal of the counnter attack relay switch includes the 19th dynamic point input terminal, the 20th dynamic point input terminal, second 11 dynamic point input terminals and the 22nd dynamic point input terminal, the counnter attack relay switch fixed point output end includes the 12nd fixed Point output end, the 13rd fixed point output end, the 14th fixed point output end and the 15th fixed point output end；
One end of the counnter attack relay coil is connect with the working power, the other end of the counnter attack relay coil It is connect with the ground terminal；
Described 19th dynamic point input terminal is connect with the described 15th dynamic point input terminal and the positive of the load, and described the 20 dynamic point input terminals are connect with the cathode of the described 16th dynamic point input terminal and the load, the described 21st dynamic point input End is connect with the recharge logic selection circuit, and the described 22nd dynamic point input terminal is hanging；
The 12nd fixed point output end is connect with the 5th fixed point output end, the 13rd fixed point output end and institute It states the 6th fixed point output end to connect, the 14th fixed point output end and the commercial power charged management circuit connection, the described tenth Five fixed point output ends are hanging.
Optionally, the power supply circuit further includes fault detection circuit, the fault detection circuit and the pattern switching Circuit is connected with the path switching circuit, and the fault detection circuit includes fault detection relay and the 5th light-emitting diodes Pipe；
The fault detection relay includes fault detection relay coil and fault detection relay switch, the failure Detection relay switch includes dynamic output end of fault detection relay switch set point input terminal and fault detection relay switch, The fault detection relay switch set point input terminal includes the first fixed point input terminal, and the fault detection relay switchs dynamic point Output end includes the first dynamic point output end and a second dynamic point output end, under original state, the first fixed point input terminal and institute State the first dynamic point output end connection；
One end of the fault detection relay coil is connect with the second fixed point output end, the fault detection relay The other end of device coil is connect with third fixed point output end；
The first fixed point input terminal is connect with the working power, and the described first dynamic point output end shines with the described 5th The anode of diode connects, and the described second dynamic point output end is hanging；The cathode of 5th light emitting diode and the ground terminal connect It connects.
Optionally, the power supply circuit further includes urban electric power switch, alternating current input indicating circuit and load switch；
The urban electric power switch and the mains supply, alternating current input indicating circuit, the path switching circuit and The reverse-filling switching circuit connection, for controlling the input of the mains supply；
The alternating current input indicating circuit is connected in parallel on the both ends of the mains supply, is used to indicate the defeated of the mains supply Enter state；
The load switch is connect with the load, the reverse-filling switching circuit and the counnter attack switching circuit, is used It whether is the load supplying in controlling the backup power source or the mains supply.
The beneficial effects of the present invention are: compared with prior art, the embodiment of the invention provides a kind of power supply circuits.It will Mains supply and backup power source are incorporated into the same power supply network system, according to the defeated of the mode of backup power source and mains supply Enter situation, by mode switching circuit and path switching circuit, realizes the switching of mains supply and backup power source, and in alternating current electricity In the case that source inputs, it is preferentially switched to mains supply power supply.
[Detailed description of the invention]
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is a kind of structural schematic diagram of power supply circuit provided in an embodiment of the present invention；
Fig. 2 is a kind of circuit connection diagram of power supply circuit provided in an embodiment of the present invention.
[specific embodiment]
The application in order to facilitate understanding with reference to the accompanying drawings and detailed description carries out in more detail the application It is bright.It should be noted that it can be directly to another yuan when an element is expressed " connection " another element Part or elements placed in the middle there may be one or more therebetween.In addition, term " first ", " second " etc. are only used for description mesh , it is not understood to indicate or imply relative importance.
Unless otherwise defined, technical and scientific term all used in this specification is led with technology of the invention is belonged to The normally understood meaning of the technical staff in domain is identical.It is specific to be intended merely to description for used term in the description of the invention Embodiment purpose, be not intended to limitation the present invention.Term "and/or" used in this specification includes one or more Any and all combinations of relevant listed item.
In addition, as long as technical characteristic involved in the application difference embodiment disclosed below is not constituted each other Conflict can be combined with each other.
It should be noted that " PV " in Fig. 1 refers to sun-generated electric power input terminal, " 220V/AC " refers to alternating current electricity Source input terminal, " OUT " refer to the load outputs of the power supply circuit of the application, can be used for being all in household internal power grid Electrical equipment is powered." BT1 ", " BT2 " and " BATTERY " in Fig. 2 refer to battery, and " PV IN " refers to the sun Energy power input, " PV+ " refers to sun-generated electric power positive input terminal, and " PV- " refers to sun-generated electric power negative input end, " AC OUT " refers to the load outputs of the power supply circuit of the application, can be used for for all electrical equipments in household internal power grid into Row power supply, and exporting is alternating current." IN1 " is connect with the second fixed point output end b2, and it is inverse to represent power supply circuit selection first Become device to be powered, " IN2 " is connect with third fixed point output end b3, represents power supply circuit and the second inverter is selected to be supplied Electricity.
Referring to Fig. 1, being a kind of structural schematic diagram of power supply circuit provided in an embodiment of the present invention.As shown in Figure 1, described Power supply circuit 200 includes battery back-up module 10, mode switching circuit 20, path switching circuit 30, trigger switch circuit 40, prevents Flow backward switching circuit 50, counnter attack switching circuit 60, fault detection circuit 70, urban electric power switch 80, alternating current input indicating circuit 90 with And load switch 100.
The battery back-up module 10 includes standby power mode and non-standby power mode, for providing backup power source, Including battery pack 101, solar recharging management circuit 102, commercial power charged management circuit 103, recharge logic selection circuit 104, Inverter group 105, inverse switch 106, solar charging electric switch 107, commercial power charged switch 108, solar recharging indicating circuit 109 and commercial power charged indicating circuit 110.
The battery pack 101 is used for storing electricity, and in the present embodiment, the battery pack 101 is concatenated using several groups Battery, the battery pack 101 are a kind of reliable power supplys of independence, it is ensured that after mains supply interrupts, continue as power supply electricity Net conveying electric energy.
The solar recharging management circuit 102 and the recharge logic selection circuit 104, the commercial power charged management electricity Road 103, the battery pack 101, the inverter group 105 and solar photovoltaic device connection, for realizing solar recharging. The input of solar recharging management circuit 102 respectively with solar photovoltaic device (i.e. sun-generated electric power input terminal or too Sun can generate electricity input terminal) connection, in some embodiments, the solar recharging management circuit 102 include maximum power point with Track system and master control system, the master control system include processing unit, power supply voltage regulation unit, temperature sensing circuit etc..
The commercial power charged management circuit 103 also with the recharge logic selection circuit 104, battery pack 101, described Inverter group 105 and mains supply connection, for realizing commercial power charged.For example, working as the commercial power charged management circuit 103 be charging pile when, the input terminal of charging pile is directly connected to the mains supply, and output end is connect with the battery pack 101.
The recharge logic selection circuit 104 is also connect with the solar photovoltaic device, in the solar energy Lie prostrate device input power in the case where, work in off-state, to realize solar recharging, the solar photovoltaic device not In the case where input power, work is commercial power charged to realize on state.Referring to Figure 2 together, the recharge logic selection Circuit 104 includes relay K1, and the relay K1 includes coil and switch, and the coils from parallel connection of coils is in the solar charging fulgurite The input terminal of circuit 102 is managed, the switch is connect with the commercial power charged management circuit 103 and the anti-circnit NOT 60.
In the present embodiment, circuit 102 is managed by the solar recharging and solar photovoltaic device realizes solar energy Power generation, and by power storage in the battery pack 101.It, can also be by described in the case where mains supply input Commercial power charged management circuit 103, by alternating current part power storage in the battery pack 101.In solar power generation and the city In the case that electric power input exists simultaneously, electricity is managed using the solar photovoltaic device and the solar recharging is connected to The recharge logic selection circuit 104 at 102 both ends of road realizes that solar power generation preferentially charges to the battery pack 101.
The inverter group 105 is also connect with the battery pack 101 and the mode switching circuit 20, and being used for will be described The DC conversion that battery pack 101 stores is alternating current.
The inverter group 105 includes the first inverter N1 and the second inverter N2, and in the present embodiment, described first is inverse Become the output power of device N1 as 300W, the output power of the second inverter N2 is 5000W.
As shown in Fig. 2, the first inverter N1 includes the first direct current positive input terminal Dc1+, the first direct current negative input end Dc1-, first switch end Sw1, the first exchange positive output end Ac1+ and the first exchange negative output terminal Ac1-, second inversion Device N2 is just defeated including the second direct current positive input terminal Dc2+, the second direct current negative input end Dc2-, second switch end Sw2, the second exchange The exchange of outlet Ac2+ and second negative output terminal Ac2-.
The first direct current positive input terminal Dc1+ and the second direct current positive input terminal Dc2+, the inverse switch 106, institute State solar charging electric switch 107 and the commercial power charged switch 108 connection, the first direct current negative input end Dc1- with it is described Second direct current negative input end Dc2-, the inverse switch 106, solar recharging management circuit 102 and the alternating current fill Fulgurite is managed circuit 103 and is connected.The first switch end Sw1, the first exchange positive output end Ac1+ and first exchange Negative output terminal Ac1- is connect with the mode switching circuit 20 respectively, the second switch end Sw2, the second exchange positive output End Ac2+ and the second exchange negative output terminal Ac2- are connect with the mode switching circuit 20 respectively.
The inverse switch 106 is between the battery pack 101 and the inverter group 105, when the inverse switch When 106 closure, the battery pack 101 is accessed in power supply system, and when the inverse switch 106 disconnects, the battery pack is isolated 101.In the present embodiment, the inverse switch 106 is switch S1.
The solar charging electric switch 107 and solar recharging management circuit 102, the commercial power charged switch 108, The battery pack 101 and the inverter group 105 connection are described for gating the solar recharging management circuit 102 Battery pack 101 charges.In the present embodiment, the solar charging electric switch 107 is switch S2.
The commercial power charged switch 108 also with the commercial power charged management circuit 103, the battery pack 101 and so Inverter group 105 connects, and for gating the commercial power charged management circuit 103, charges for the battery pack 101.In this implementation In example, the commercial power charged switch 108 is switch S3.
The solar recharging indicating circuit 109 is connect with solar recharging management circuit 102, is used to indicate described Whether solar recharging manages circuit 102 in running order.In the present embodiment, the solar recharging indicating circuit 109 Including light emitting diode D1, the light emitting diode D1 is connected in parallel on two of solar recharging management 102 output end of circuit Endpoint.
The commercial power charged indicating circuit 110 is connect with the commercial power charged management circuit 103, is used to indicate the alternating current Whether charge management circuit 103 is in running order.In the present embodiment, the commercial power charged indicating circuit 110 includes shining Diode D2, the light emitting diode D2 are connected in parallel on two endpoints of commercial power charged management 103 output end of circuit.
The mode switching circuit 20 is connect with the battery back-up module 10, for switching the battery back-up module 10 Work is in the standby power mode or the non-standby power mode.
It is appreciated that the standby power mode refers to changing the state of switching switch S4, by first inverter In N1 or the second inverter N2 access circuit, the non-standby power mode refers to changing the shape of switching switch S4 The first inverter N1 and the second inverter N2 is isolated, so that not having the access of inverter in circuit in state.
As shown in Fig. 2, the mode switching circuit 20 includes switching switch S4, first diode D3 and the second diode D4。
Specifically, the switching switch S4 includes the dynamic point input terminal of switching switch and switching switch set point output end, institute Stating the dynamic point input terminal of switching switch includes a first dynamic point input terminal a1, a second dynamic point input terminal a2, the dynamic point input terminal a3 of third, the Four dynamic point input terminal a4, the 5th dynamic dynamic point input terminal a6 of point input terminal a5 and the 6th, the switching switch set point output end packet Include the first fixed point output end b1, the second fixed point output end b2 and third fixed point output end b3.Described first dynamic point input terminal a1 It is connect with the anode of the first switch end Sw1 and the first diode D3, the described second dynamic point input terminal a2 and described the Two switch terminals Sw2 are connected with the anode of the second diode D4, and the dynamic point input terminal a3 of the third exchanges positive output with first Ac1+ connection is held, the described 4th dynamic point input terminal a4 is connect with the second exchange positive output end Ac2+, the described 5th dynamic point input terminal A5 is connect with the first exchange negative output terminal Ac1-, and the described 6th dynamic point input terminal a6 exchanges negative output terminal with described second Ac2- connection.The first fixed point output end b1 is connect with DC power supply (DC24V as shown in the figure), the second fixed point output End b2 and third fixed point output end b3 are connect with the path switching circuit 30 respectively.The cathode of the first diode D3 It is connect with the cathode of the second diode D4 and working power (VCC as described in Figure).
Under original state, the dynamic point input terminal of switching switch is not connected to the switching switch set point output end, at this point, The work of mode switching circuit 20 is under the reserve battery mode.When being in the standby power mode, described first Point input terminal can be moved with described first respectively by pinpointing output end b1, the second fixed point output end b2 and third fixed point output end b3 The dynamic point input terminal a5 of the dynamic point input terminal a3 and the 5th of a1, third or the second dynamic point input terminal a2, the 4th dynamic point input Hold the dynamic point input terminal a6 connection of a4 and the 6th.
The path switching circuit 30 includes first path mode and the second path mode, the path switching circuit 30 with The mode switching circuit 20 connects, and does not input in mains supply, and the work of the battery back-up module 10 is described spare When electric source modes, the work of path switching circuit 30 is in the first path mode, to export the backup power source；In alternating current Power input, and the battery back-up module 10 works in the standby power mode, 30 work of path switching circuit Make in second path mode, to export the mains supply and disconnect the output of the backup power source.Wherein, described first The path of path mode is the battery pack 101, by the inverter group 105, the mode switching circuit 20, the path Switching circuit 30, the counnter attack switching circuit 60 finally pass through the load switch 100, are output to load.Second path The path of mode is that the mains supply is cut by the urban electric power switch 80, alternating current input indicating circuit 90, the path Circuit 30, the counnter attack switching circuit 60 are changed, finally passes through the load switch 100, load is output to, at this point, cutting described It changes under the action of relay K2, the second light emitting diode D6 conducting.In addition, in the mains supply as unique input When, supply path is the mains supply by the urban electric power switch 80, the alternating current input indicating circuit 90, the reverse-filling Switching circuit 50 finally passes through the load switch 100, is output to load.
In the present embodiment, the path switching circuit 30 include switching relay K2, the first light emitting diode D5 and Second light emitting diode D6.
It is appreciated that not inputted in mains supply, and battery back-up module work is in the standby power mode When, in the first path mode, the first light emitting diode D5 conducting issues light for the path switching circuit work Line.It is inputted in mains supply, and battery back-up module work, in the standby power mode, the path switching is electric Road works in second path mode, and the second light emitting diode D6 conducting emits beam.Namely work as inverter conduct When the input of the path switching circuit 30, the first light emitting diode D5 conducting, the second light emitting diode D6 shutdown, When input of the mains supply as the path switching circuit 30, the first light emitting diode D5 shutdown, described the Two light emitting diode D6 conducting.
Specifically, the switching relay K2 includes switching relay coil and switching relay switch, shown in figure Be it is described switching relay K2 original state.The switching relay switch includes the dynamic point input terminal of switching relay switch And switching relay switch pinpoints output end.The dynamic point input terminal of the switching relay switch includes the 7th dynamic point input terminal A7, a 8th dynamic point input terminal a8, a 9th dynamic point input terminal a9, a tenth dynamic point input terminal a10, the 11st dynamic point input terminal a11 with And the 12nd dynamic point input terminal a12, the switching relay switch fixed point output end include the 4th fixed point output end b4, the 5th determine The fixed point of point output end b5 and the 6th output end b6.
Described one end for changing relay coil and the anode of the described 12nd dynamic point input terminal a12 and the mains supply connect It connects, the other end for changing relay coil is connect with the cathode of the described tenth dynamic point input terminal a10 and the mains supply.
Under original state namely the work of the path switching circuit 30 is in the first path mode, and the described 7th is dynamic Point input terminal a7 is connect with the 4th fixed point output end b4, and the described 8th dynamic point input terminal a8 is hanging, and the described 9th dynamic point is defeated Enter to hold a9 to connect with the 5th fixed point output end b5, the described tenth dynamic point input terminal a10 is hanging, the described 11st dynamic point input End a11 is connect with the 6th fixed point output end b6, and the described 12nd dynamic point input terminal a12 is hanging.When the path switches electricity Road 30 works in second path mode, and the described 7th dynamic point input terminal a7 is hanging, the described 8th dynamic point input terminal a8 with The 4th fixed point output end b4 connection, the described 9th dynamic point input terminal a9 is hanging, the described tenth dynamic input terminal a10 with it is described 5th fixed point output end b5 connection, the described 11st dynamic point input terminal a11 is hanging, the described 12nd dynamic point input terminal a12 and institute State the 6th fixed point output end b6 connection.
Described 7th dynamic point input terminal a7 is connect with the anode of the first light emitting diode D5, the described 8th dynamic point input End a8 is connect with the anode of the second light emitting diode D6, the described 9th dynamic point input terminal a9 and the second fixed point output end B2 connection, the described tenth dynamic point input terminal a10 are connect with the cathode of the mains supply, the described 11st dynamic point input terminal a11 It is connect with third fixed point output end b3, the described 12nd dynamic point input terminal a12 is connect with the anode of the mains supply.Institute It states the 4th fixed point output end b4 to connect with the working power, the 5th fixed point output end b5 and the 6th fixed point output end B6 is connect with the counnter attack switching circuit 60 respectively.The cathode and second light emitting diode of the first light emitting diode D5 The cathode of D6 is connected with ground terminal.
The trigger switch circuit 40 includes triggering mode and non-toggle mode, the trigger switch circuit 40 and the mould Formula switching circuit 20 connects, and the trigger switch circuit 40 is used under the standby power mode, works in the trigger mode Formula works under the non-standby power mode in the non-toggle mode.
In the present embodiment, the trigger circuit 40 includes trigger relay K3 and third light emitting diode D7.
Wherein, the trigger relay K3 includes trigger relay coil and trigger relay switch, the triggering relay Device switch includes the dynamic point input terminal of trigger relay switch and trigger relay switch set point output end, the trigger relay The dynamic point input terminal of switch includes the 13rd dynamic dynamic point input terminal a14 of point input terminal a13 and the 14th, the trigger relay switch Pinpointing output end includes the 7th fixed point output end b7.
One end of the trigger relay coil is connect with the working power, the other end of the trigger relay coil It is connect with the ground terminal.Described 13rd dynamic point input terminal a13 is connect with the reverse-filling switching circuit 50, and the described 14th is dynamic Point input terminal a14 is connect with the anode of the third light emitting diode D7, the 7th fixed point output end b7 and alternating current electricity The cathode in source connects.The cathode of the third light emitting diode D7 and the reverse-filling switching circuit 50 and the mains supply Anode connection.
Under original state namely under the non-toggle mode, the described 13rd dynamic point input terminal a13 and the 7th fixed point Output end b7 connection.The triggering mode refers to that the trigger relay coil under the action of working power VCC, is inhaled The trigger relay switch is closed, so that the described 14th dynamic point input terminal a14 is connect with the 7th fixed point output end b7.
The reverse-filling switching circuit 50 is connect with the trigger switch circuit 40, is used for the work under the triggering mode Make in off-state, under the non-toggle mode, works on state.
Wherein, the reverse-filling switching circuit 50 includes reverse-filling relay K4 and the 4th light emitting diode D8.
The reverse-filling relay K4 includes reverse-filling relay coil and reverse-filling relay switch, the reverse-filling Relay switch includes the dynamic point input terminal of reverse-filling relay switch and reverse-filling relay switch fixed point output end.It is described anti- Flow backward the dynamic point input terminal of relay switch to move including the 15th dynamic point input terminal a15, the 16th dynamic point input terminal a16, the 17th The dynamic point input terminal a18 of point input terminal a17 and the 18th, the reverse-filling relay switch fixed point output end include the 8th fixed point Output end b8, the 9th fixed point output end b9, the tenth fixed point output end b10 and the 11st fixed point output end b11.
Under original state namely the reverse-filling switching circuit 50 work is in off-state, the reverse-filling relay The dynamic point input terminal of switch and reverse-filling relay switch fixed point output end are not connected to.When 50 work of reverse-filling switching circuit Make on state, the described 15th dynamic point input terminal a15, the 16th dynamic point input terminal a16, the 17th dynamic point input terminal The dynamic point input terminal a18 of a17 and the 18th determines with the 8th fixed point output end b8, the 9th fixed point output end b9, the tenth respectively The fixed point output end b11 connection of point output end b10 and the 11st.
The cathode and the mains supply of one end of the reverse-filling relay coil and the third light emitting diode D7 Anode connection, the other end of the reverse-filling relay coil connect with the 13rd dynamic input terminal a13 that puts.Described 15th is dynamic Point input terminal a15 and the counnter attack switching circuit 60 and the anode of load are connect, the described 16th move an input terminal a16 with it is described Counnter attack switching circuit 60 is connected with the cathode of the load, the described 17th dynamic point input terminal a17 and the 4th light-emitting diodes The anode of pipe D8 connects, and the described 18th dynamic point input terminal a18 is connect with the cathode of the 4th light emitting diode D8.Described Eight fixed point output end b8 are connect with the anode of the mains supply, and the 9th fixed point output end b9 is negative with the mains supply Pole connection, the tenth fixed point output end b10 are connect with the 9th fixed point output end b9, the 11st fixed point output end B11 is connect with the anode of the mains supply.
The counnter attack switching circuit 60 is connect with the path switching circuit 30 and the reverse-filling switching circuit 50 respectively, Under the standby power mode, the work of counnter attack switching circuit 60 is on state, 50 work of reverse-filling switching circuit Make in off-state, to export the backup power source or the mains supply；Under the non-standby power mode, the counnter attack The work of switching circuit 60 is in off-state, and the work of reverse-filling switching circuit 50 is on state, to export the alternating current electricity Source.
Wherein, the counnter attack switching circuit 60 includes counnter attack relay K5.
The counnter attack relay K5 includes counnter attack relay coil and counnter attack relay switch, and the counnter attack relay is opened Close includes that the dynamic point input terminal of counnter attack relay switch and counnter attack relay switch pinpoint output end.The counnter attack relay switch Dynamic point input terminal include a 19th dynamic point input terminal a19, a 20th dynamic point input terminal a20, the 21st dynamic point input terminal a21 with And the 22nd dynamic point input terminal a22, the counnter attack relay switch fixed point output end include the 12nd fixed point output end b12, 13rd fixed point output end b13, the 14th fixed point output end b14 and the 15th fixed point output end b15.
Under original state, the dynamic point input terminal of the counnter attack relay switch and the counnter attack relay switch pinpoint output end It is not connected to, the counnter attack switching circuit 60 is attracted when the path switching circuit 30 works in the first path mode, work Make on state.When the path switching circuit 30 work in second path mode, the counnter attack switching circuit 60 Work is in off-state.
One end of the counnter attack relay coil is connect with the working power, the other end of the counnter attack relay coil It is connect with the ground terminal.Described 19th dynamic point input terminal a19 and the described 15th dynamic point input terminal a15 and the load are just Pole connection, the described 20th dynamic point input terminal a20 are connect with the cathode of the described 16th dynamic point input terminal a16 and the load, Described 21st dynamic point input terminal a21 is connect with the recharge logic selection circuit 104, the described 22nd dynamic point input terminal A22 is hanging.The 12nd fixed point output end b12 is connect with the 5th fixed point output end b5, the 13rd fixed point output End b13 is connect with the 6th fixed point output end b6, the 14th fixed point output end b14 and the commercial power charged management circuit 103 connections, the 15th fixed point output end b15 are hanging.
The fault detection circuit 70 is connect with the mode switching circuit 20 and the path switching circuit 30, including therefore Barrier detection relay K6 and the 5th light emitting diode D9.
The fault detection relay K6 includes that fault detection relay coil and fault detection relay switch, described Fault detection relay switch includes that fault detection relay switch set point input terminal and fault detection relay switch dynamic point Output end.The fault detection relay switch set point input terminal includes the first fixed point input terminal c1, the fault detection relay The dynamic point output end of device switch includes the first dynamic dynamic point output end d2 of point output end d1 and second.
Under original state, the first fixed point input terminal c1 is connect with the described first dynamic point output end d1, when the mode Switching circuit 20 works in the standby power mode, still, the second fixed point output end b and third fixed point output When holding between b3 without exchange output, the fault detection relay coil does not work, and the fault detection relay K6 is in Original state, the 5th light emitting diode D9 conducting, trouble light are bright.When the mode switching circuit 20 works described spare When electric source modes, there is normal exchange output between the second fixed point output end b and third fixed point output end b3, it is described Fault detection relay coil working is attracted fault detection relay switch, at this point, the first fixed point input terminal c1 with Described second dynamic point output end d2 connection, the 5th light emitting diode D9 cut-off, trouble light do not work.
One end of the fault detection relay coil with it is described second fixed point output end b2 connect, the fault detection after The other end of electric apparatus coil is connect with third fixed point output end b3.The first fixed point input terminal c1 and the working power Connection, the described first dynamic point output end d1 are connect with the anode of the 5th light emitting diode D9, the described second dynamic point output end D2 is hanging.The cathode of the 5th light emitting diode D9 is connect with the ground terminal.
It should be noted that in above-described embodiment the input terminal of each relay switch and output end be termed to it is clear Chu, the connection relationship for describing each component in detail are not used in the flow direction for limiting relay switch voltage and current, for example, unlimited The current direction for determining relay switch is to flow to output end from input terminal, and vice versa.
The urban electric power switch 80 inputs indicating circuit 90, the path switching circuit with the mains supply, the alternating current 30 and the reverse-filling switching circuit 50 connection, for controlling the input of the mains supply.In the present embodiment, the city Electric switch 80 includes switch S5, when switch S5 closure, the mains supply input, and when the switch S5 is disconnected, every From the mains supply.
The alternating current input indicating circuit 90 is connected in parallel on the both ends of the mains supply, is used to indicate the mains supply Input state.In the present embodiment, the alternating current input indicating circuit 90 includes the 6th light emitting diode D10.
The load switch 100 and the load, the reverse-filling switching circuit 50 and the counnter attack switching circuit 60 Whether connection, be the load supplying for controlling the backup power source or the mains supply.In the present embodiment, described negative Load switch 100 includes switch S6, and when switch S6 closure, the backup power source or the mains supply are load confession Electricity.
To sum up, the general course of work of the power supply circuit 200 is as follows:
(1) it is not inputted in mains supply, and the battery back-up module 10 works in the standby power mode, institute The work of path switching circuit 30 is stated in the first path mode, to export the backup power source.
Specifically, storage when the electric energy for being solar power generation and/or alternating current that the battery back-up module 10 stores have electricity Electricity.The mode switching circuit 20 is for switching the work of battery back-up module 10 in the standby power mode or institute State non-standby power mode.
When the battery back-up module 10 work is in the standby power mode, the inverter group 105 one of them Inverter accesses in power supply circuit, and the DC power supply DC24V passes through the first diode D1 or second diode D2 charges to the working power VCC, and the working power exports high level.The path switching circuit 30 is in initial shape State, the trigger switch circuit 40 work according to the working power in the triggering mode, the reverse-filling switching circuit 50 Under the triggering mode, work is being connected in off-state, the counnter attack switching circuit 60 according to working power work State.
To sum up, the electricity that the battery back-up module 10 exports is switched by the path switching circuit 30, the counnter attack Circuit 60 eventually passes through the load switch 100, is output to load, i.e., the described work of path switching circuit 30 is described first Path mode, to export the backup power source.
(2) it is inputted in mains supply, and the work of the battery back-up module 10 is in the standby power mode, it is described Path switching circuit 30 works in second path mode, to export the mains supply and disconnect the defeated of the backup power source Out.
When the battery back-up module 10 work is in the standby power mode, the inverter group 105 one of them Inverter accesses in power supply circuit, and the DC power supply DC24V passes through the first diode D1 or second diode D2 charges to the working power VCC, and the working power exports high level.Since the mains supply inputs, the path 30 switching state of switching circuit, the trigger switch circuit 40 works according to the working power in the triggering mode, described Reverse-filling switching circuit 50 works in off-state, the counnter attack switching circuit 60 is according to the work under the triggering mode Make power work on state.
To sum up, the electricity of the mains supply output passes through the path switching circuit 30, the counnter attack switching circuit 60, The load switch 100 is eventually passed through, load is output to, i.e., the described work of path switching circuit 30 is in second path mould Formula, to export the mains supply and disconnect the output of the backup power source.
(3) it is inputted in mains supply, and the battery back-up module 10 works in the non-standby power mode, i.e., When the mains supply is as unique power input, any one inverter will not access confession in the inverter group 105 In circuit, the power supply exports low level.Since the mains supply inputs, the path switching circuit 30 switches shape State, is attracted the path switching circuit relay switch, and the trigger switch circuit 40 works according to the working power in institute Non-toggle mode is stated, the reverse-filling switching circuit 50 works on state, the counnter attack is opened under the non-toggle mode Powered-down road 60 works according to the working power in off-state.
To sum up, the electricity of the mains supply output passes through the reverse-filling switching circuit 50, eventually passes through the load Switch 100 is output to load.
Mains supply and backup power source are incorporated into the same power supply network by a kind of power supply circuit provided in an embodiment of the present invention In network system, according to the input condition of the mode of backup power source and mains supply, electricity is switched by mode switching circuit and path The switching of mains supply and backup power source is realized on road, and in the case where mains supply input, is preferentially switched to mains supply confession Electricity.On the other hand, by recharge logic selection circuit, realize that solar power generation preferentially charges to battery pack.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；At this It under the thinking of invention, can also be combined between the technical characteristic in above embodiments or different embodiment, step can be with It is realized with random order, and there are many other variations of different aspect present invention as described above, for simplicity, they do not have Have and is provided in details；Although the present invention is described in detail referring to the foregoing embodiments, the ordinary skill people of this field Member is it is understood that it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of skill Art feature is equivalently replaced；And these are modified or replaceed, each reality of the present invention that it does not separate the essence of the corresponding technical solution Apply the range of a technical solution.

Claims (10)

1. a kind of power supply circuit characterized by comprising
Battery back-up module, including standby power mode and non-standby power mode, for providing backup power source；
Mode switching circuit, the mode switching circuit are connect with the battery back-up module, for switching the reserve battery Module works in the standby power mode or the non-standby power mode；
Path switching circuit, including first path mode and the second path mode, the path switching circuit are cut with the mode Circuit connection is changed, is not inputted in mains supply, and battery back-up module work is in the standby power mode, it is described Path switching circuit works in the first path mode, to export the backup power source；It is inputted in mains supply, and described Battery back-up module works in the standby power mode, and the path switching circuit works in second path mode, To export the mains supply and disconnect the output of the backup power source.
2. power supply circuit according to claim 1, which is characterized in that the power supply circuit further include:
Trigger switch circuit, including triggering mode and non-toggle mode, the trigger switch circuit and the mode switching circuit Connection, the trigger switch circuit are used under the standby power mode, are worked in the triggering mode, described non-spare Under electric source modes, work in the non-toggle mode；
Reverse-filling switching circuit disconnects shape for working under the triggering mode with the trigger switch circuit connection State works under the non-toggle mode on state；
Counnter attack switching circuit is connect, in the standby electricity respectively with the path switching circuit and the reverse-filling switching circuit Under source module, the counnter attack switching circuit work is on state, and the reverse-filling switching circuit work is in off-state, with defeated The backup power source or the mains supply out；Under the non-standby power mode, the counnter attack switching circuit work is disconnected Open state, the reverse-filling switching circuit work is on state, to export the mains supply.
3. power supply circuit according to claim 1 or 2, which is characterized in that the battery back-up module includes battery pack, too Positive energy charge management circuit, commercial power charged management circuit, recharge logic selection circuit and inverter group；
The battery pack is used for storing electricity；
The solar recharging management circuit and the recharge logic selection circuit, the commercial power charged management circuit, the electricity Pond group, the inverter group and solar photovoltaic device connection, for realizing solar recharging；
The commercial power charged management circuit also with the recharge logic selection circuit, the battery pack, the inverter group and The mains supply connection, for realizing commercial power charged；
The recharge logic selection circuit is also connect with the solar photovoltaic device, for defeated in the solar photovoltaic device In the case where entering power supply, work in off-state, to realize solar recharging, in the non-input power of the solar photovoltaic device In the case where, work is commercial power charged to realize on state；
The inverter group is also connect with the battery pack and the mode switching circuit, for store the battery pack DC conversion is alternating current.
4. power supply circuit according to claim 3, which is characterized in that the battery back-up module further include inverse switch, Solar charging electric switch, commercial power charged switch, solar recharging indicating circuit and commercial power charged indicating circuit；
The inverse switch is between the battery pack and the inverter group；
The solar charging electric switch and the solar recharging management circuit, it is described it is commercial power charged switch, the battery pack with And the inverter group connection is charged for gating the solar recharging management circuit for the battery pack；
The commercial power charged switch also with the commercial power charged management circuit, the battery pack and so inverter group is connect, For gating the commercial power charged management circuit, charge for the battery pack；
The solar recharging indicating circuit and the solar recharging manage circuit connection, are used to indicate the solar recharging Whether in running order manage circuit；
The commercial power charged indicating circuit and the commercial power charged management circuit connection are used to indicate the commercial power charged management electricity Whether road is in running order.
5. power supply circuit according to claim 4, which is characterized in that the inverter group includes the first inverter and second Inverter, first inverter include the first direct current positive input terminal, the first direct current negative input end, first switch end, the first friendship It flows positive output end and the first exchange negative output terminal, second inverter is negative including the second direct current positive input terminal, the second direct current Input terminal, second switch end, the second exchange positive output end and the second exchange negative output terminal；
The first direct current positive input terminal is established by cable with the second direct current positive input terminal, the inverse switch, the solar charging It closes and the commercial power charged switch connects, it is the first direct current negative input end and the second direct current negative input end, described inverse Become switch, solar recharging management circuit and the commercial power charged management circuit connection；
The first switch end, it is described first exchange positive output end and it is described first exchange negative output terminal respectively with the mode Switching circuit connection, the second switch end, the second exchange positive output end and the second exchange negative output terminal difference It is connect with the mode switching circuit.
6. power supply circuit according to claim 5, which is characterized in that the mode switching circuit includes switching switch, the One diode and the second diode；
The switching switch includes switching the dynamic point input terminal of switch and switching switch set point output end, described to cut under original state It changes the dynamic point input terminal of switch to be not connected to the switching switch set point output end, the dynamic point input terminal of switching switch includes first A dynamic point input terminal, a second dynamic point input terminal, the dynamic point input terminal of third, a 4th dynamic point input terminal, the 5th dynamic point input terminal and the Six dynamic point input terminals, the switching switch set point output end include the first fixed point output end, the second fixed point output end and third Pinpoint output end；
Described first dynamic point input terminal is connect with the anode at the first switch end and the first diode, the second dynamic point Input terminal is connect with the anode at the second switch end and second diode, and the dynamic point input terminal of the third is exchanged with first Positive output end connection, the described 4th dynamic point input terminal are connect with the second exchange positive output end, the described 5th dynamic point input terminal and institute The connection of the first exchange negative output terminal is stated, the described 6th dynamic point input terminal is connect with the second exchange negative output terminal；
The first fixed point output end is connect with DC power supply, the second fixed point output end and third fixed point output end point It is not connect with the path switching circuit；
The cathode of the first diode is connect with the cathode of second diode and working power.
7. power supply circuit according to claim 6, which is characterized in that the path switching circuit include switching relay, First light emitting diode and the second light emitting diode；
The switching relay includes switching relay coil and switching relay switch, and the switching relay switch includes cutting Change the dynamic point input terminal of relay switch and switching relay switch fixed point output end, the dynamic point input terminal of the switching relay switch It is defeated including the 7th dynamic point input terminal, the 8th dynamic point input terminal, the 9th dynamic point input terminal, the tenth dynamic point input terminal, the ten one dynamic point Entering end and the 12nd dynamic point input terminal, the switching relay switch fixed point output end includes the 4th fixed point output end, the 5th Pinpoint output end and the 6th fixed point output end；
Under original state, the described 7th dynamic point input terminal is connect with the 4th fixed point output end, the described 8th dynamic point input terminal Vacantly, the described 9th dynamic point input terminal connect with the 5th fixed point output end, and the described tenth to move an input terminal hanging, and described the 11 dynamic point input terminals are connect with the 6th fixed point output end, and the described 12nd dynamic point input terminal is hanging；
Described one end for changing relay coil is connect with the anode of the described 12nd dynamic point input terminal and the mains supply, described The other end for changing relay coil is connect with the cathode of the described tenth dynamic point input terminal and the mains supply；
A described 7th dynamic point input terminal connect with the anode of first light emitting diode, the described 8th move put input terminal with it is described The anode of second light emitting diode connects, and the described 9th dynamic point input terminal is connect with the second fixed point output end, and the described tenth Dynamic point input terminal is connect with the cathode of the mains supply, and the described 11st dynamic point input terminal and third fixed point output end connect It connects, the described 12nd dynamic point input terminal is connect with the anode of the mains supply；
The 4th fixed point output end is connect with the working power, the 5th fixed point output end and the 6th fixed point output End is connect with the counnter attack switching circuit respectively；
The cathode of first light emitting diode is connect with the cathode of second light emitting diode and ground terminal.
8. power supply circuit according to claim 2, which is characterized in that the trigger circuit includes trigger relay and Three light emitting diodes；
The trigger relay includes trigger relay coil and trigger relay switch, and the trigger relay switch includes touching Send out the dynamic point input terminal of relay switch and trigger relay switch set point output end, the dynamic point input terminal of trigger relay switch Including the 13rd dynamic point input terminal and the 14th dynamic point input terminal, the trigger relay switch set point output end includes the 7th fixed Point output end, under original state, the described 13rd dynamic point input terminal is connect with the 7th fixed point output end；
One end of the trigger relay coil is connect with the working power, the other end of the trigger relay coil and institute State ground terminal connection；
A described 13rd dynamic point input terminal connect with the reverse-filling switching circuit, the described 14th dynamic input terminal and described the The anode of three light emitting diodes connects, and the 7th fixed point output end is connect with the cathode of the mains supply；
The cathode of the third light emitting diode is connect with the anode of the reverse-filling switching circuit and the mains supply；
The reverse-filling switching circuit includes reverse-filling relay and the 4th light emitting diode；
The reverse-filling relay includes reverse-filling relay coil and reverse-filling relay switch, and the reverse-filling relay is opened It closes and includes the dynamic point input terminal of reverse-filling relay switch and reverse-filling relay switch pinpoints output end, it is described under original state The dynamic point input terminal of reverse-filling relay switch and reverse-filling relay switch fixed point output end are not connected to, the reverse-filling after The dynamic point input terminal of electric switch include a 15th dynamic point input terminal, a 16th dynamic point input terminal, the 17th dynamic point input terminal and 18th dynamic point input terminal, the reverse-filling relay switch fixed point output end are defeated including the 8th fixed point output end, the 9th fixed point Outlet, the tenth fixed point output end and the 11st fixed point output end；
One end of the reverse-filling relay coil and the cathode of the third light emitting diode and the anode of the mains supply Connection, the other end of the reverse-filling relay coil are connect with the 13rd dynamic point input terminal；
Described 15th dynamic point input terminal is connect with the counnter attack switching circuit and the anode of load, the described 16th dynamic point input End is connect with the cathode of the counnter attack switching circuit and the load, the described 17th dynamic point input terminal and the described 4th luminous two The anode of pole pipe connects, and the described 18th dynamic point input terminal is connect with the cathode of the 4th light emitting diode；
The 8th fixed point output end is connect with the anode of the mains supply, the 9th fixed point output end and alternating current electricity The cathode in source connects, and the tenth fixed point output end is connect with the 9th fixed point output end, the 11st fixed point output end It is connect with the anode of the mains supply；
The counnter attack switching circuit includes counnter attack relay, and the counnter attack relay includes counnter attack relay coil and counnter attack relay Device switch, the counnter attack relay switch include the dynamic point input terminal of counnter attack relay switch and the fixed point output of counnter attack relay switch It holds, under original state, the dynamic point input terminal of the counnter attack relay switch and counnter attack relay switch fixed point output end do not connect It connects, the dynamic point input terminal of the counnter attack relay switch includes the 19th dynamic point input terminal, the 20th dynamic point input terminal, the 21st Dynamic point input terminal and the 22nd dynamic point input terminal, the counnter attack relay switch fixed point output end include that the 12nd fixed point is defeated Outlet, the 13rd fixed point output end, the 14th fixed point output end and the 15th fixed point output end；
One end of the counnter attack relay coil is connect with the working power, the other end of the counnter attack relay coil and institute State ground terminal connection；
Described 19th dynamic point input terminal is connect with the anode of the described 15th dynamic point input terminal and the load, and the described 20th Dynamic point input terminal connect with the cathode of the described 16th dynamic point input terminal and the load, the described 21st dynamic input terminal and The recharge logic selection circuit connection, the described 22nd dynamic point input terminal are hanging；
The 12nd fixed point output end connect with the 5th fixed point output end, and the described 13rd pinpoints output end and described the Six fixed point output end connections, the 14th fixed point output end and the commercial power charged management circuit connection, the described 15th is fixed Point output end is hanging.
9. power supply circuit according to claim 4, which is characterized in that the power supply circuit further includes fault detection circuit, The fault detection circuit is connect with the mode switching circuit and the path switching circuit, and the fault detection circuit includes Fault detection relay and the 5th light emitting diode；
The fault detection relay includes fault detection relay coil and fault detection relay switch, the fault detection Relay switch includes dynamic output end of fault detection relay switch set point input terminal and fault detection relay switch, described Fault detection relay switch set point input terminal includes the first fixed point input terminal, the dynamic point output of fault detection relay switch End includes the first dynamic point output end and a second dynamic point output end, under original state, the first fixed point input terminal and described the One dynamic point output end connection；
One end of the fault detection relay coil is connect with the second fixed point output end, the fault detection relay line The other end of circle is connect with third fixed point output end；
The first fixed point input terminal is connect with the working power, the described first dynamic point output end and the 5th light-emitting diodes The anode of pipe connects, and the described second dynamic point output end is hanging；The cathode of 5th light emitting diode is connect with the ground terminal.
10. power supply circuit according to claim 2, which is characterized in that the power supply circuit further includes urban electric power switch, alternating current Input indicating circuit and load switch；
The urban electric power switch and the mains supply, alternating current input indicating circuit, the path switching circuit and described Reverse-filling switching circuit connection, for controlling the input of the mains supply；
The alternating current input indicating circuit is connected in parallel on the both ends of the mains supply, is used to indicate the input shape of the mains supply State；
The load switch is connect with the load, the reverse-filling switching circuit and the counnter attack switching circuit, for controlling Make whether the backup power source or the mains supply are the load supplying.
CN201811611371.8A 2018-12-27 2018-12-27 Power supply circuit Expired - Fee Related CN109638955B (en)

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CN111050449A (en) * 2019-11-15 2020-04-21 国网浙江省电力有限公司嘉兴供电公司 Few-maintenance lighting system
CN113715660A (en) * 2021-10-09 2021-11-30 深圳市中蓝绿源科技有限公司 Intelligent charging pile

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CN103545911A (en) * 2013-10-25 2014-01-29 广东易事特电源股份有限公司 Uninterrupted power system capable of conducting double-input intelligent power supply
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