CN210404818U - System for storing energy and control circuit - Google Patents

System for storing energy and control circuit Download PDF

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Publication number
CN210404818U
CN210404818U CN201921130311.4U CN201921130311U CN210404818U CN 210404818 U CN210404818 U CN 210404818U CN 201921130311 U CN201921130311 U CN 201921130311U CN 210404818 U CN210404818 U CN 210404818U
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China
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port
battery module
inverter
can2
stage
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CN201921130311.4U
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Chinese (zh)
Inventor
张国锋
杜慧超
卢新友
鲍阿猛
马桂鹏
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Dlg Energy Shanghai Co ltd
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Dlg Energy Shanghai Co ltd
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    • 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
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • 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
    • 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
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
    • 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
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • 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
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
    • 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
    • Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
    • 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
    • Y04S20/242—Home appliances
    • 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
    • Y04S20/248—UPS systems or standby or emergency generators

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model belongs to the technical field of the energy storage system technique of family and specifically relates to a system and control circuit for energy storage. The utility model provides a be used for energy storage system, includes the rack box, its characterized in that: the top rear side of rack box be equipped with the dc-to-ac converter, the right side that is located the dc-to-ac converter is equipped with the control box, the top front side that is located the rack box is equipped with first PACK, the below that is located first PACK is equipped with the PACK mounting panel, the one side that is located the PACK mounting panel is through the first PACK installing support of first screwed connection, the below that is located the PACK mounting panel is equipped with second PACK, the one side that is located second PACK is through second screwed connection second PACK installing support, it is equipped with the right side board to be located rack box right side, it is equipped with the wall fixed bolster to be located rack box left side, it is equipped with back side door plant to be located rack box rear. Compared with the prior art, the cabinet structure can be quickly installed and detached; the small-volume large-capacity household installation device is widely applied to various household installation environments, and is convenient to install and maintain.

Description

System for storing energy and control circuit
Technical Field
The utility model belongs to the technical field of the energy storage system technique of family and specifically relates to a system and control circuit for energy storage.
Background
The existing household energy storage system mostly adopts a mode that small structures of a module and an inverter are respectively installed on a wall or adopts a large cabinet structure. The two modes have the defects of large installation area, more field processing, inconvenient maintenance, excessively heavy structure, high installation cost and few applicable families.
Disclosure of Invention
The utility model provides a system and a control circuit for energy storage to overcome the defects of the prior art, the cabinet structure can be rapidly installed and dismantled, and the maintenance is convenient; the small-size large-capacity household installation device is widely applied to various household installation environments, is convenient to install and maintain, and reduces the cost.
In order to achieve the above object, a system for storing energy is designed, which comprises a cabinet body and is characterized in that: the top rear side of rack box be equipped with the dc-to-ac converter, the right side that is located the dc-to-ac converter is equipped with the control box, the top front side that is located the rack box is equipped with first PACK, the below that is located first PACK is equipped with the PACK mounting panel, the one side that is located the PACK mounting panel is through the first PACK installing support of first screwed connection, the below that is located the PACK mounting panel is equipped with second PACK, the one side that is located second PACK is through second screwed connection second PACK installing support, it is equipped with the right side door plant to be located rack box right side, it is equipped with the wall fixed bolster to be located rack box left side, it is equipped with back side door plant to be located rack box.
The quantity of first PACK be one at least, the quantity of second PACK be two at least.
The quantity of first screw be 4 at least, the quantity of second screw be 4 at least, first screw and second screw model are M6 x 12 screw.
The top of right side door plant be equipped with the touch-sensitive screen, be located one side of right side door plant and be equipped with the lockhole.
The middle part of rear side door plant be equipped with the inlet box, the one side that is located the inlet box is equipped with emergency stop button, the top that is located emergency stop button is equipped with the fan hole that looses hot air, the front side that is located the fan hole that looses hot air is equipped with radiator fan, the below that is located radiator fan is equipped with WIFI.
And a key hole is formed above the front side door plate.
One side of control box be equipped with photovoltaic switch, the one side that is located photovoltaic switch is equipped with the electric wire netting interface, the one side that is located the electric wire netting interface is equipped with the firewood and sends the interface, the one side that is located the firewood and sends the interface is equipped with load interface, the one side that is located load interface is equipped with the battery case, the one side that is located the battery case is equipped with change over switch.
The control circuit of the system for storing energy comprises a battery module I, a battery module II, a battery module III, an inverter, a WiFi module, an LCD (liquid crystal display) screen and an AC-DC (alternating Current-direct Current) power supply, wherein a PV 2-port, a PV2+ port, a PV 1-port and a PV1+ port of the inverter are respectively and sequentially connected with four ports of a PV quarto switch, the other end of the PV quarto switch is respectively and sequentially connected with a fourth port, a third port, a second port and a first port of a wiring terminal II, a WIFI port of the inverter is connected with the WIFI module, a 485 port of the inverter is respectively connected with a 485A port and a 485B port of the LCD screen, a BMU + port of the inverter is respectively connected with one end of a first level of a second-level breaker and one end of an anode of a DC-DC power supply, the other end of the anode of the DC-DC power supply, the BMU-port of the inverter is respectively connected with one end of a second stage breaker and one end of a cathode of a DC-DC power supply, the other end of the cathode of the DC-DC power supply is respectively connected with a cathode of a DC power supply of an AC-DC power supply and a 0V port of an LCD display screen, a 12V port of the LCD display screen is connected with one end of an anode of a bridge rectifier, the other end of the anode of the bridge rectifier is connected with an anode of the DC power supply of the AC-DC power supply, one end of the AC power supply of the AC-DC power supply is respectively connected with an L1 port of a GRID port of the inverter and one end of a fourth first stage of the second stage breaker, the other end of the fourth first stage of the second stage breaker is connected with an L1 through a first port of a sixth connecting terminal, the other end of the AC power supply of the AC-DC power supply is respectively connected with an L2 port of the GRID, the N port of the GRID port of the inverter is connected with N through the third port of the sixth wiring terminal, the PE port of the GRID port of the inverter is connected with PE through the fourth port of the sixth wiring terminal, the other end of the first-stage secondary circuit breaker is respectively connected with the B + port of the first battery module, the B + port of the second battery module and the B + port of the third battery module through the first port of the first wiring terminal, the other end of the second-stage secondary circuit breaker is respectively connected with the B-port of the first battery module, the B-port of the second battery module and the B-port of the third battery module through the second port of the first wiring terminal, the CAN _ H port of the inverter is connected with one end of the CAN2-2H port of the third battery module, the other end of the CAN2-2H port of the third battery module is connected with one end of the CAN2-1H port of the third battery module, and the other end of the CAN2-1H port of the third battery is connected with The other end of the CAN2-2H port of the second battery module is connected with one end of the CAN2-1H port of the second battery module, the other end of the CAN2-1H port of the second battery module is connected with one end of the CAN2-1H port of the first battery module, the other end of the CAN2-1H port of the first battery module is connected with the CAN2-2H port of the first battery module, the CAN _ L port of the inverter is connected with one end of the CAN2-2L port of the third battery module, the other end of the CAN2-2L port of the third battery module is connected with one end of the CAN 7-1L port of the third battery module, the other end of the CAN2-1L port of the third battery module is connected with one end of the CAN2-2L port of the second battery module, the other end of the CAN2-2L port of the second battery module is connected with one end of the 2-1L port of the second battery module, and the other end of the CAN2-1L port of the second battery module is connected One end of the port, the other end of the CAN2-1L port of the battery module I is connected with the CAN2-2L port of the battery module I, the CAN1-2L port of the battery module III is connected with one end of the CAN1-1L port of the battery module III, the other end of the CAN1-1L port of the battery module III is connected with one end of the CAN1-2H port of the battery module II, the other end of the CAN1-2H port of the battery module II is connected with one end of the CAN1-1H port of the battery module II, the other end of the CAN1-1H port of the battery module II is connected with one end of the CAN1-1H port of the battery module I, the other end of the CAN1-1H port of the battery module I is connected with the CAN1-2H port of the battery module I, the CAN1-2H port of the battery module III is connected with one end of the CAN1-1, the other end of the CAN1-1H port of the battery module II is connected with one end of the CAN1-2L port of the battery module II, the other end of the CAN1-2L port of the battery module II is connected with one end of the CAN1-1L port of the battery module II, the other end of the CAN1-1L port of the battery module II is connected with one end of the CAN1-1L port of the battery module I, the other end of the CAN1-1L port of the battery module I is connected with the CAN1-2L port of the battery module I, the REMOTE port of the battery module II and the REMOTE port of the battery module III are respectively connected in series with the first knife switch, the second knife switch and the third knife switch of the three-pole single throw switch, the positive pole and the negative pole of the RSD port of the inverter are respectively connected in series with the first port and the second port of the connecting terminal, the positive pole and the negative pole of the GEN-1 port of the inverter are respectively connected with the third connecting terminal, the L1 port of the LOAD port of the inverter is respectively connected with one end of a temperature control switch and one end of a sixth first level of a secondary circuit breaker, the other end of the temperature control switch is respectively connected with one end of a fan I and one end of a fan II, the other ends of the fan I and the fan II and a second port of a wiring terminal IV are respectively connected with an N port of the LOAD port of the inverter, the other end of the sixth first level of the secondary circuit breaker is connected with a first live wire through a fourth port of the wiring terminal IV, the L2 port of the LOAD port of the inverter is connected with one end of a sixth second level of the secondary circuit breaker, the other end of the sixth second level of the secondary circuit breaker is connected with a second live wire through a third port of the wiring terminal IV, the N port of the LOAD port of the inverter is connected with a zero wire through a second port of the wiring terminal IV, the PE port of the LOAD port of the inverter is, the other end of the fifth first level of the second-level circuit breaker is connected with a first live wire through a fourth port of the fifth wiring terminal, the L2 port of the GEN-2 port of the inverter is connected with one end of a sixth second level of the second-level circuit breaker, the other end of the sixth second level of the second-level circuit breaker is connected with a second live wire through a third port of the fifth wiring terminal, the N port of the GEN-2 port of the inverter is connected with a zero line through a second port of the fifth wiring terminal, the PE port of the GEN-2 port of the inverter is connected with a ground wire through a first port of the fifth wiring terminal, a second current transformer is connected between the anode and the cathode of the LIMIT-2 port of the inverter in series, and a first current.
The type of the inverter is SUN-8 KW.
The type of the first wiring terminal is a through type wiring terminal, and the types of the second wiring terminal, the third wiring terminal, the fourth wiring terminal, the fifth wiring terminal and the sixth wiring terminal are all cage type spring wiring terminals.
Compared with the prior art, the utility model has the advantages that the cabinet structure can be rapidly installed and dismantled, and the maintenance is convenient; the small-size large-capacity household installation device is widely applied to various household installation environments, is convenient to install and maintain, and reduces the cost.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a schematic structural view of the right door panel of the present invention.
Fig. 4 is a schematic structural view of the rear side door panel of the present invention.
Fig. 5 is an interface diagram of the control box of the present invention.
Fig. 6 is a circuit diagram of the present invention.
Referring to fig. 1 to 5, where 1 is a control box, 2 is an inverter, 3 is a touch screen, 4 is a right side door panel, 5 is WIFI, 6 is a rear side door panel, 7 is an incoming box, 8 is a cooling fan, 9 is a cabinet box, 10 is a first PACK, 11 is a PACK mounting panel, 12 is a first PACK mounting bracket, 13 is a first screw, 14 is a second PACK, 15 is a second PACK mounting bracket, 16 is a second screw, 17 is a wall fixing bracket, 18 is a front side door panel, 19 is a key ring, 20 is a lock hole, 21 is a cooling fan hole, 22 is an emergency stop button, 23 is a photovoltaic switch, 24 is a power grid interface, 25 is a diesel transmission interface, 26 is a load interface, 27 is a battery box, and 28 is a transfer switch.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in FIGS. 1-5, a system for energy storage comprises a cabinet body, and is characterized in that: the top rear side of rack box 9 be equipped with inverter 2, the right side that is located inverter 2 is equipped with control box 1, the top front side that is located rack box 9 is equipped with first PACK10, the below that is located first PACK10 is equipped with PACK mounting panel 11, the one side that is located PACK mounting panel 11 connects first PACK installing support 12 through first screw 13, the below that is located PACK mounting panel 11 is equipped with second PACK14, the one side that is located second PACK14 connects second PACK installing support 15 through second screw 16, it is equipped with right side door plant 4 to be located rack box 9 right side, it is equipped with wall fixed bolster 17 to be located rack box 9 left side, it is equipped with back side door plant 6 to be located rack box 9 rear side, it is equipped with front side door plant 18 to be located rack box 9 front side.
The number of the first PACKs 10 is at least one, and the number of the second PACKs 14 is at least two.
The number of the first screws 13 is at least 4, the number of the second screws 16 is at least 4, and the types of the first screws 13 and the second screws 16 are both M6 × 12 screws.
The touch screen 3 is arranged above the right door panel 4, and the lock hole 20 is arranged on one side of the right door panel 4.
The middle part of back side door board 6 be equipped with inlet box 7, the one side that is located inlet box 7 is equipped with emergency stop button 22, the top that is located emergency stop button 22 is equipped with heat dissipation fan hole 21, the front side that is located heat dissipation fan hole 21 is equipped with radiator fan 8, the below that is located radiator fan 8 is equipped with WIFI 5.
A key hole 19 is arranged above the front side door panel 18.
One side of control box 1 be equipped with photovoltaic switch 23, the one side that is located photovoltaic switch 23 is equipped with electric wire netting interface 24, the one side that is located electric wire netting interface 24 is equipped with the firewood and sends interface 25, the one side that is located firewood and sends interface 25 is equipped with load interface 26, the one side that is located load interface 26 is equipped with battery case 27, the one side that is located battery case 27 is equipped with change over switch 28.
The control circuit of the system for storing energy comprises a battery module I, a battery module II, a battery module III, an inverter, a WiFi module, an LCD display screen and an AC-DC power supply, wherein a PV 2-port, a PV2+ port, a PV 1-port and a PV1+ port of the inverter 2 are respectively and sequentially connected with four ports of a PV quarto switch Q2, the other end of the PV quarto switch Q2 is respectively and sequentially connected with a port four, a port three, a port two and a port one of a wiring terminal two PDB2, a WIFI port of the inverter 2 is connected with the WIFI module, a 485 port of the inverter 2 is respectively connected with a 485A port and a 485B port of the LCD display screen P3, a BMU + port of the inverter 2 is respectively connected with one end of a first stage of a second-stage circuit breaker Q1 and one end of an anode of a DC-DC power supply P2, the other end of the anode of the DC-DC power supply, the other end of the BD1 of the bridge rectifier is connected with the 0V port of the LCD display screen P3, the BMU-port of the inverter 2 is respectively connected with one end of the second stage of the second breaker Q1 and one end of the cathode of the DC-DC power supply P2, the other end of the cathode of the DC-DC power supply P2 is respectively connected with the cathode of the DC power supply of the AC-DC power supply P1 and the 0V port of the LCD display screen P3, the 12V port of the LCD display screen P3 is connected with one end of the anode of the bridge rectifier BD1, the other end of the anode of the bridge rectifier BD1 is connected with the anode of the DC power supply P1, one end of the AC power supply of the AC-DC power supply P1 is respectively connected with the L1 port of the GRID port of the inverter 2 and one end of the first stage of the four Q4 of the second breaker, the other end of the first stage of the four Q4 of the second breaker is connected with L1 through the first stage 6 of the six PDB terminal, and the other end of the second stage 36 The other end of the second stage of the two-stage breaker Q4 is connected with L2 through a second port of a connecting terminal six PDB6, the N port of the GRID port of the inverter 2 is connected with N through a third port of a connecting terminal six PDB6, the PE port of the GRID port of the inverter 2 is connected with PE through a fourth port of a connecting terminal six PDB6, the other end of the first stage of the two-stage breaker Q1 is connected with the B + port of a battery module I B1, the B + port of a battery module II B2 and the B + port of a battery module III B3 through a first port of a connecting terminal one PDB1, the other end of the second stage of the two-stage breaker Q1 is connected with the B-port of a battery module I B1, the B-port of a battery module II B2 and the B-port of a battery module III B3 through a second port of a connecting terminal one PDB1, the CAN _ H port of the inverter 2 is connected with one end of a CAN2-2H port of a, the other end of the CAN2-2H port of the battery module three B3 is connected with one end of the CAN2-1H port of the battery module three B3, the other end of the CAN2-1H port of the battery module three B3 is connected with one end of the CAN2-2H port of the battery module two B2, the other end of the CAN2-2H port of the battery module two B2 is connected with one end of the CAN2-1H port of the battery module two B2, the other end of the CAN2-1H port of the battery module two B2 is connected with one end of the CAN2-1H port of the battery module one B1, the other end of the CAN2-1H port of the battery module one B1 is connected with the CAN2-2H port of the battery module one B1, the CAN _ L port of the inverter 2 is connected with one end of the CAN 72-2L port of the battery module three B3, the other end of the CAN2-2L port of the battery module three B2 is connected with one end of the CAN2-1L port of, the other end of the CAN2-1L port of the battery module three B3 is connected with one end of the CAN2-2L port of the battery module two B2, the other end of the CAN2-2L port of the battery module two B2 is connected with one end of the CAN2-1L port of the battery module two B2, the other end of the CAN2-1L port of the battery module two B2 is connected with one end of the CAN2-1L port of the battery module one B1, the other end of the CAN2-1L port of the battery module one B1 is connected with the CAN2-2L port of the battery module one B1, the CAN2-2L port of the battery module three B2 is connected with one end of the CAN2-1L port of the battery module three B2, the other end of the CAN2-1L port of the battery module three B2 is connected with one end of the CAN2-2H port of the battery module two B2, and the other end of the CAN2-2H port of the battery module two B2 is connected with one end of the CAN2, the other end of the CAN1-1H port of the second battery module B2 is connected with one end of the CAN1-1H port of the first battery module B1, the other end of the CAN1-1H port of the first battery module B1 is connected with the CAN1-2H port of the first battery module B1, the CAN1-2H port of the third battery module B3 is connected with one end of the CAN1-1H port of the third battery module B3, the other end of the CAN1-1H port of the third battery module B3 is connected with one end of the CAN1-2L port of the second battery module B2, the other end of the CAN1-2L port of the second battery module B1 is connected with one end of the CAN1-1L port of the second battery module B1, the other end of the CAN1-1L port of the second battery module B1 is connected with one end of the CAN1-1L port of the first battery module B1, the REMOTE port of the battery module I B1, the REMOTE port of the battery module II B2 and the REMOTE port of the battery module III B3 are respectively connected in series with a first knife switch, a second knife switch and a third knife switch of a three-pole single-throw switch S1, the anode and the cathode of the RSD port of the inverter 2 are respectively connected in series with a switch III S3 through a first port and a second port of a connecting terminal III PDB3, the anode and the cathode of the GEN-1 port of the inverter 2 are respectively connected with a third port and a fourth port of a connecting terminal III PDB3, the L1 port of the LOAD port of the inverter 2 is respectively connected with one end of a temperature controlled switch S2 and one end of a first stage of a second-stage circuit breaker six Q6, the other end of the temperature controlled switch S2 is respectively connected with one end of a fan I F1 and one end of a fan II F2, the other end of a fan I F1, the fan II F2 and the second port of a fourth PDB4 are respectively connected with, the other end of the first stage of the six Q6 secondary circuit breaker is connected with a first live wire L1 through a fourth port of a connecting terminal four PDB4, the L2 port of the LOAD port of the inverter 2 is connected with one end of the second stage of the six Q6 secondary circuit breaker, the other end of the second stage of the six Q6 secondary circuit breaker is connected with a second live wire L2 through a third port of a connecting terminal four PDB4, the N port of the LOAD port of the inverter 2 is connected with a neutral wire N through a second port of a connecting terminal four PDB4, the PE port of the LOAD port of the inverter 2 is connected with a ground wire PE through a first port of a connecting terminal four PDB4, the L1 port of the GEN-2 port of the inverter 2 is connected with one end of a fifth Q5 primary circuit breaker, the other end of the fifth Q5 primary circuit breaker is connected with a first live wire L1 through a fourth port of a fifth PDB5, the L2 port of the GEN-2 port of the inverter 2 is connected with one end of a sixth Q356 secondary circuit breaker, and the An N port of a GEN-2 port of the inverter 2 is connected with a zero line N through a second port of a connecting terminal five PDB5, a PE port of a GEN-2 port of the inverter 2 is connected with a ground line PE through a first port of a connecting terminal five PDB5, a current transformer two CT2 is connected between an anode and a cathode of a LIMIT-2 port of the inverter 2 in series, and a current transformer one CT1 is connected between an anode and a cathode of a LIMIT-1 port of the inverter 2 in series.
The type of the inverter 2 is SUN-8 KW.
The type of the first connecting terminal PDB1 is a through type connecting terminal, and the types of the second connecting terminal PDB2, the third connecting terminal PDB3, the fourth connecting terminal PDB4, the fifth connecting terminal PDB5 and the sixth connecting terminal PDB6 are all cage type spring connecting terminals.
The working principle is as follows: the system is composed of a lithium battery pack, an inverter 2, an electrical power distribution system, a wireless WiFi module, an LCD (liquid crystal display) and an LCD power supply. A lithium battery pack: the lithium battery pack comprises a battery module I B1, a battery module II B2 and a battery module III B3, and is used for storing or releasing energy, the number of the battery modules included in the lithium battery pack is at most 4, the maximum charging and discharging current of a single battery module is 50A, and when a plurality of battery modules are connected in parallel, the maximum charging and discharging current is n 50A. Inverter 2: the photovoltaic energy-storage power supply system has the advantages that the AC-DC, DC-DC and DC-AC functions are achieved, meanwhile, the energy dispatching function is achieved, when sunlight is sufficient in the daytime, the photovoltaic energy charges the battery, redundant electric quantity supplies power to the load, the residual electric quantity is uploaded to a power grid, the battery discharges power to the load through the inverter during the night, and under the condition that the power grid is powered off, the battery and the photovoltaic power supply the load. An electrical power distribution system: the electric power distribution system comprises a first-stage circuit breaker Q1, a PV four-switch Q2, a second-stage circuit breaker four Q4, a second-stage circuit breaker five Q5, a second-stage circuit breaker six Q6, an AC-DC power supply and a DC-DC power supply, wherein a circuit breaker is added on the side of a power grid/PV/battery/load and used for overload protection. A wireless Wi-Fi module: the method is used for system monitoring. LCD display screen: the method is used for system information display, viewing and parameter setting. LCD display screen power supply: the LCD display screen is provided with 2 12V power supply modules, an AC-DC power supply and a DC-DC power supply which supply power for the LCD display screen together.
The utility model discloses the rack is integrated in the rack with dc-to-ac converter, three battery PACK, control box and various functional unit, has integrated each functional system among the energy storage system, has accomplished little volume large capacity, and easy to assemble maintains, adapts to the various installation environment in the family.

Claims (10)

1. The utility model provides a system for be used for energy storage, includes the rack box, its characterized in that: the top rear side of rack box (9) be equipped with inverter (2), the right side that is located inverter (2) is equipped with control box (1), the top front side that is located rack box (9) is equipped with first PACK (10), the below that is located first PACK (10) is equipped with PACK mounting panel (11), one side that is located PACK mounting panel (11) is through first screw (13) connection first PACK installing support (12), the below that is located PACK mounting panel (11) is equipped with second PACK (14), one side that is located second PACK (14) is through second screw (16) connection second PACK installing support (15), it is equipped with right side door plant (4) to be located rack box (9) right side, it is equipped with wall fixed bolster (17) to be located rack box (9) left side, it is equipped with back side door plant (6) to be located rack box (9) rear side, it is equipped with front side door plant (18) to be located rack box (9) front side.
2. A system for storing energy according to claim 1, characterized in that: the number of the first PACKs (10) is at least one, and the number of the second PACKs (14) is at least two.
3. A system for storing energy according to claim 1, characterized in that: the number of the first screws (13) is at least 4, the number of the second screws (16) is at least 4, and the types of the first screws (13) and the second screws (16) are M6 x 12 screws.
4. A system for storing energy according to claim 1, characterized in that: the touch screen (3) is arranged above the right door panel (4), and the lock hole (20) is formed in one side of the right door panel (4).
5. A system for storing energy according to claim 1, characterized in that: the middle part of back side door board (6) be equipped with inlet box (7), the one side that is located inlet box (7) is equipped with emergency stop button (22), the top that is located emergency stop button (22) is equipped with heat dissipation fan hole (21), the front side that is located heat dissipation fan hole (21) is equipped with radiator fan (8), the below that is located radiator fan (8) is equipped with WIFI (5).
6. A system for storing energy according to claim 1, characterized in that: a key hole (19) is arranged above the front side door panel (18).
7. A system for storing energy according to claim 1, characterized in that: one side of control box (1) be equipped with photovoltaic switch (23), one side that is located photovoltaic switch (23) is equipped with electric wire netting interface (24), one side that is located electric wire netting interface (24) is equipped with the firewood and sends interface (25), one side that is located the firewood and sends interface (25) is equipped with load interface (26), one side that is located load interface (26) is equipped with battery case (27), one side that is located battery case (27) is equipped with change over switch (28).
8. A control circuit of a system for storing energy, which is applied to the system for storing energy of any one of claims 1 to 7, wherein: the control circuit of the system for storing energy comprises a battery module I, a battery module II, a battery module III, an inverter, a WiFi module, an LCD (liquid crystal display) screen and an AC-DC (alternating Current-direct Current) power supply, wherein a PV 2-port, a PV2+ port, a PV 1-port and a PV1+ port of the inverter (2) are respectively and sequentially connected with four ports of a PV four-way switch (Q2), the other end of the PV four-way switch (Q2) is respectively and sequentially connected with a fourth port, a third port, a second port and a first port of a wiring terminal II (PDB 2), a WIFI port of the inverter (2) is connected with the WIFI module, a 485 port of the inverter (2) is respectively connected with a 485A port and a 485B port of the LCD screen (P3), a BMU + port of the inverter (2) is respectively connected with one end of a first stage of a second stage circuit breaker (Q1) and one end of an anode of a DC-DC power supply (P2), the other end of the anode of the, the other end of the bridge rectifier (BD 1) is connected with a 0V port of the LCD display screen (P3), BMU-ports of the inverter (2) are respectively connected with one end of a second stage of a first secondary breaker (Q1) and one end of a cathode of a DC-DC power supply (P2), the other end of the cathode of the DC-DC power supply (P2) is respectively connected with a cathode of a DC power supply of an AC-DC power supply (P1) and a 0V port of the LCD display screen (P3), a 12V port of the LCD display screen (P3) is connected with one end of an anode of the bridge rectifier (BD 1), the other end of the anode of the bridge rectifier (BD 1) is connected with an anode of the DC power supply of an AC-DC power supply (P1), one end of the AC power supply of the AC-DC power supply (P1) is respectively connected with an L1 port of a GRID port of the inverter (2) and one end of a first stage of a fourth secondary breaker (Q4), the other end of a first stage of a fourth secondary breaker (Q4) is connected with, the other end of the AC power supply of the AC-DC power supply (P1) is respectively connected with an L2 port of a GRID port of an inverter (2) and one end of a second stage of a second-stage breaker four (Q4), the other end of the second stage breaker four (Q4) is connected with L2 through a second port of a terminal six (PDB 6), an N port of the GRID port of the inverter (2) is connected with N through a third port of the terminal six (PDB 6), a PE port of the GRID port of the inverter (2) is connected with PE through a fourth port of the terminal six (PDB 6), the other end of the first stage breaker one (Q1) is respectively connected with a B + port of a first battery module (B1), a B + port of a second battery module (B2) and a B + port of a third battery module (B3) through a first port of a first terminal (PDB 1), and the other end of the first stage breaker one (Q1) is respectively connected with a first B + port of a second battery module (B1-B) through a first port of a first terminal (PDB 1), A B-port of a battery module II (B2) and a B-port of a battery module III (B3), a CAN _ H port of the inverter (2) is connected with one end of a CAN2-2H port of the battery module III (B3), the other end of a CAN2-2H port of the battery module III (B3) is connected with one end of a CAN2-1H port of the battery module III (B3), the other end of a CAN2-1H port of the battery module III (B3) is connected with one end of a CAN2-2H port of the battery module II (B2), the other end of a CAN2-2H port of the battery module II (B2) is connected with one end of a CAN2-1H port of the battery module II (B2), the other end of a CAN2-1H port of the battery module II (B2) is connected with one end of a CAN2-1H port of the battery module I (B1), the other end of the CAN 56-1H port of the battery module III (B3) is connected with a CAN port of the battery module III (B1), the CAN _ L port of the inverter (2) is connected with one end of the CAN2-2L port of the battery module III (B3), the other end of the CAN2-2L port of the battery module III (B3) is connected with one end of the CAN2-1L port of the battery module III (B3), the other end of the CAN2-1L port of the battery module III (B3) is connected with one end of the CAN2-2L port of the battery module II (B2), the other end of the CAN2-2L port of the battery module II (B2) is connected with one end of the CAN2-1L port of the battery module II (B2), the other end of the CAN2-1L port of the battery module II (B2) is connected with one end of the CAN2-1L port of the battery module I (B1), the other end of the CAN2-1L port of the battery module I (B1) is connected with one end of the CAN 362-2L port of the battery module II (B1), and the CAN 72-3L port of the battery module III (B2-2) is connected with the battery module III One end, the other end of the CAN1-1L port of the battery module III (B3) is connected with one end of the CAN1-2H port of the battery module II (B2), the other end of the CAN1-2H port of the battery module II (B2) is connected with one end of the CAN1-1H port of the battery module II (B2), the other end of the CAN1-1H port of the battery module II (B2) is connected with one end of the CAN1-1H port of the battery module I (B1), the other end of the CAN1-1H port of the battery module I (B1) is connected with the CAN1-2H port of the battery module I (B1), the CAN1-2H port of the battery module III (B3) is connected with one end of the CAN1-1H port of the battery module III (B3), the other end of the CAN1-1H port of the battery module III (B3) is connected with one end of the CAN 1L port of the battery module II (B2), the other end of the CAN1-2L port of the battery module II (B2) is connected with one end of the CAN1-1L port of the battery module II (B2), the other end of the CAN1-1L port of the battery module II (B2) is connected with one end of the CAN1-1L port of the battery module I (B1), the other end of the CAN1-1L port of the battery module I (B1) is connected with the CAN1-2L port of the battery module I (B1), the REMOTE port of the battery module I (B1), the REMOTE port of the battery module II (B2) and the REMOTE port of the battery module III (B3) are respectively connected in series with the first knife switch, the second knife switch and the third knife switch of the three-pole single throw switch (S1), the positive pole and the negative pole of the RSD port of the inverter (2) are respectively connected with the first pole switch, the second pole switch and the third pole switch (S3) of the third pole connecting terminal (PDB 3), and the negative pole connecting terminal (GEN 732) are respectively connected with the positive pole connecting terminal of the inverter terminal (B3) and the third pole connecting terminal A port and a port four, a port L1 of a LOAD port of the inverter (2) is respectively connected with one end of a temperature control switch (S2) and one end of a first stage of a second-stage breaker six (Q6), the other end of the temperature control switch (S2) is respectively connected with one ends of a fan I (F1) and a fan II (F2), the other ends of the fan I (F1) and the fan II (F2) and a port two of a connecting terminal four (PDB 4) are respectively connected with an N port of a LOAD port of the inverter (2), the other end of the first stage of the second-stage breaker six (Q6) is connected with a live wire I (L1) through a port four of a connecting terminal four (PDB 4), a port L2 of the LOAD port of the inverter (2) is connected with one end of a second stage of the second-stage breaker six (Q6), the other end of the second stage of the second-stage breaker six (Q6) is connected with a live wire II (L2) through a port three of the four connecting terminal (PDB 4), and a port N of the second connecting terminal 596) is, the PE port of the LOAD port of the inverter (2) is connected with a ground wire (PE) through a first port of a fourth connecting terminal (PDB 4), the L1 port of the GEN-2 port of the inverter (2) is connected with one end of a first stage of a fifth secondary circuit breaker (Q5), the other end of the first stage of the fifth secondary circuit breaker (Q5) is connected with a first live wire (L1) through a fourth port of the fifth connecting terminal (PDB 5), the L2 port of the GEN-2 port of the inverter (2) is connected with one end of a second stage of a sixth secondary circuit breaker (Q6), the other end of the second stage of the sixth secondary circuit breaker (Q6) is connected with a second live wire (L2) through a third port of the fifth connecting terminal (PDB 5), the N port of the GEN-2 port of the inverter (2) is connected with a zero wire (N) through a second port of the fifth connecting terminal (PDB 5), the PE port of the GEN-2 port of the inverter (2) is connected with the ground wire (, a current transformer II (CT 2) is connected in series between the anode and the cathode of the LIMIT-2 port of the inverter (2), and a current transformer I (CT 1) is connected in series between the anode and the cathode of the LIMIT-1 port of the inverter (2).
9. The control circuit of claim 8, wherein: the type of the inverter (2) is SUN-8 KW.
10. The control circuit of claim 8, wherein: the type of the first connecting terminal (PDB 1) is a through type connecting terminal, and the types of the second connecting terminal (PDB 2), the third connecting terminal (PDB 3), the fourth connecting terminal (PDB 4), the fifth connecting terminal (PDB 5) and the sixth connecting terminal (PDB 6) are all cage type spring connecting terminals.
CN201921130311.4U 2019-07-18 2019-07-18 System for storing energy and control circuit Active CN210404818U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921130311.4U CN210404818U (en) 2019-07-18 2019-07-18 System for storing energy and control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921130311.4U CN210404818U (en) 2019-07-18 2019-07-18 System for storing energy and control circuit

Publications (1)

Publication Number Publication Date
CN210404818U true CN210404818U (en) 2020-04-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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