CN103996980A - Box-type temperature control energy storage station capable of being connected in parallel - Google Patents
Box-type temperature control energy storage station capable of being connected in parallel Download PDFInfo
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Abstract
The invention discloses a box-type temperature control energy storage station capable of being connected in parallel. The box-type temperature control energy storage station comprises an energy storage box body formed by an alloy pipe and movable plates, wherein a power distribution cabinet, an air conditioner power supply device, a monitoring controller, an air conditioner, a power transformer, a lithium battery energy storage cabinet and a voltage changer are arranged in the energy storage box body. Compared with a traditional energy storage station, interfaces of the box-type temperature control energy storage station are independent; multiple energy storage station bodies can be connected in parallel to achieve higher power output capacity; an independent two-way converter device is arranged in the energy storage station, and independent work is allowed; lithium batteries serve as an energy storage unit of the energy storage station, and are long in service life and high in environment adaptability, has high-power output capacity and high-power charging capacity, and is an important carrier for peak shaving of an isolated network. The energy storage station can applied to highland fields and used in cooperation with an isolated network hybrid power generation technology to serve as an independent energy storage station just by disconnecting the power transformer, and can also be connected with the state grid of China by connecting the power transformer so as to adjust local electric power distribution.
Description
Technical field
The present invention relates to all kinds of power supply energy storage technologies field, be specifically related to a kind of box temperature control energy storage station that can be in parallel.
Background technology
In mountain area, plateau or field, no matter be wind power generation or solar power generation, himself all has randomness and Intermittent Features, adopt reliable energy storage technology as supporting and buffering, to solve the fluctuation problem of generation of electricity by new energy, make wind power generation and solar power generation normal use that be connected to the grid of safety on a large scale, and do not affect the normal peak regulation of system safety and electrical network.While is along with the fast development of ev industry, also will greatly improve the quick demand of lithium electricity energy storage station, thoroughly solve lithium electricity energy storage bag, energy-storage box, energy storage station the increase of output power box-type parallel power technology and use in battery temperature control technology also will affect the development process of above-mentioned two industries.
Summary of the invention
For overcoming the shortcoming of prior art, the present invention aims to provide a kind of box temperature control energy storage station that can be in parallel, can increase by the mode of multiple box temperature control energy-storage box parallel connection the power of lithium electricity energy storage station, the temperature that can control again lithium battery use remains on the interior variation of normal range (NR) of 10-40 degree, reaches the object that extends battery.
For solving the problems of the technologies described above, the present invention is achieved through the following technical solutions:
A kind of box temperature control energy storage station that can be in parallel, comprise an energy-storage box casing, the framework of described energy-storage box casing is formed by fixedly connecting by fixture and bolt by four left and right spreaders, four front and back spreaders and four surrounding mullions, the front portion of described framework is provided with the dodge gate of band handle, and all the other of described framework five faces are respectively arranged with portable plate;
In described energy-storage box casing, be provided with power distribution cabinet, air-conditioning charger, supervisory control device, air-conditioning, power transformer, lithium electricity energy storage cabinet and voltage changer, described power distribution cabinet input is connected with the ac voltage output of described voltage changer, described power distribution cabinet output is connected with AC electric appliance, the voltage input end of described air-conditioning charger is connected with the voltage output end of described lithium electricity energy storage cabinet, the control signal input of described air-conditioning charger is connected with the air-conditioning out-put supply control end of described supervisory control device, the first ac power output of described air-conditioning charger is connected with the second source input of described lithium electricity energy storage cabinet, the second ac power output of described air-conditioning charger is connected with the power input of described air-conditioning, the bidirectional DC power supply input/output terminal of described lithium electricity energy storage cabinet is connected with the bidirectional DC power supply input/output terminal of described voltage changer, the voltage of described lithium electricity energy storage cabinet, electric current, the voltage of temperature signal output and described supervisory control device, electric current, temperature signal input connects, the first power input of described lithium electricity energy storage cabinet is connected with other direct current, the voltage transformation signal input part of described voltage changer is connected with the voltage transformation signal output part of described supervisory control device, the two-way exchange power supply input/output terminal of described voltage changer is connected with the two-way exchange power supply input/output terminal of described power transformer, the DC converting output of described voltage changer is as the galvanic interface of outside output, the bi-directional power input/output terminal of described power transformer is connected with high-voltage fence.
Further, described left and right spreader, front and back spreader and surrounding mullion are alloy material.
Further, the lateral surface of described dodge gate and described five portable plates is all the thin plates that spray paint, and its inside is all filled with foamed material.
Further, be positioned on the described portable plate of described base of frame and be coated with an epoxy resin board, and on described epoxy resin board, be also lined with one deck electro-insulating rubber skin, to ensure insulation and the intensity of described portable plate of bottom.
Further, be positioned on the described portable plate of the described framework left and right sides and all offer a gas outlet, on described gas outlet, be equipped with antitheft and air filtering net.
Further, described supervisory control device comprises keyboard, central processor CPU, display, remote transceiver and be arranged on the remote monitor of Control Room, the output of described keyboard is connected with the keyboard signal receiving terminal of described central processor CPU, the display output of described central processor CPU is connected with the input of described display, the two-way signaling input/output terminal of described central processor CPU is connected with the two-way signaling input/output terminal of described remote transceiver, the air-conditioning out-put supply control end of described central processor CPU is connected with the control signal input of described air-conditioning charger, the voltage transformation signal output part of described central processor CPU is connected with the voltage transformation signal input part of described voltage changer, the voltage of described central processor CPU, electric current, the voltage of temperature signal input and described lithium electricity energy storage cabinet, electric current, temperature signal output connects, described remote transceiver is connected with described remote monitor by mobile phone wireless base station and the Internet.
Further, described lithium electricity energy storage cabinet comprises lithium battery bag, battery management system, air-conditioning D, described lithium battery bag input is connected with the bidirectional, dc input/output terminal of described voltage changer by the bidirectional DC power supply input/output terminal of described lithium electricity energy storage cabinet, the first power input of described lithium battery bag (comprises being galvanic photoelectricity as the input interface of other DC power supply, phoenix electricity), the voltage output end of described lithium battery bag is connected with the voltage input end of described air-conditioning charger, the temperature sensor signal output of described lithium battery bag is connected with the battery temperature signal receiving end of described battery management system, the monomer lithium electricity module voltage signal output part of described lithium battery bag is connected with the monomer lithium electricity module voltage signal receiving end of described battery management system, the current sensor signal output of described lithium battery bag is connected with the battery current signal receiving end of described battery management system, the refrigeration signal output part of described battery management system is connected with the refrigeration signal controlling end of described air-conditioning D, the signal output part that heats of described battery management system is connected with the signal controlling end that heats of described air-conditioning D, the voltage of described battery management system, electric current, the voltage of temperature signal output and described supervisory control device, electric current, temperature signal input connects, the second source input of described air-conditioning D is connected with the first ac power output of described air-conditioning charger.
Further, described voltage changer comprises two way convertor and DC/DC converter, the ac input end of described two way convertor is connected by the two-way exchange power supply input/output terminal of described voltage changer and the two-way exchange power supply input/output terminal of described power transformer, the direct-flow input end of described two way convertor is connected with the bidirectional DC power supply input/output terminal of described lithium electricity energy storage cabinet by the bidirectional DC power supply input/output terminal of described voltage changer, the signal input part of described two way convertor is connected by the voltage transformation signal input part of described voltage changer and the voltage transformation signal output part of described supervisory control device, the ac voltage output of described two way convertor is connected with the input of described power distribution cabinet, the control signal output of described two way convertor is connected with the control signal input of described DC/DC converter, the DC supply input of described DC/DC converter is connected with the bidirectional DC power supply input/output terminal of described lithium electricity energy storage cabinet with the bidirectional DC power supply input/output terminal by described voltage changer, the DC converting output of described DC/DC converter is as the galvanic interface of outside output.
Further, multiple described box temperature control energy storage stations that can be in parallel use the ability that realizes high-power output by parallel connection, and carry out parallel operation computing and control by described remote monitor; The DC converting output of each described described voltage changer in can the box temperature control energy storage station in parallel respectively positive pole of the diode corresponding with connects, and the negative pole of each described diode is connected with direct-flow current consumer respectively after parallel connection.
When use, first air-conditioning charger works, to solve ambient temperature electricity consumption, then start supervisory control device and observe lithium electricity energy storage voltage and electric weight cashier's office in a shop, if lithium electricity energy storage electric weight cashier's office in a shop lower than design capacity 30% time, supervisory control device, by two-way control line starting resistor converter, is controlled voltage changer and is operated in AC/DC state, and the electrical network incoming call of power transformer is charged to lithium electricity energy storage cabinet together with other direct current; When supervisory control device detect charging reached design capacity 50% time, voltage changer starts outwards to carry direct current, for the chargings such as electric motor car and electricity consumption; When supervisory control device detect charging reached design capacity 90% time, control voltage changer is changed direction, be operated in DC/AC state, outwards carry direct current and alternating current simultaneously, power distribution cabinet will manually or automatically be adjusted power load according to exchanging electricity consumption loading condition.
Other direct current is produced by photovoltaic generation or wind power generation, by they being stored in lithium electricity energy storage cabinet, and randomness and intermittent problems while having solved their generatings.Voltage changer is accepted the control of supervisory control device, while being operated in DC/AC state, can power to the load by power distribution cabinet, can transmit electric power to high-voltage fence by power transformer again, and do not affect system safety and the normal peak regulation that reaches electrical network, realize the large-scale safe normal application target that is connected to the grid of wind-powered electricity generation and solar power generation.
Because a chest is exactly an energy storage station, in the time that an energy storage station does not meet peak load regulation network or uses power, can multiple parallel connections use, carry out parallel operation Operation and control by remote monitor.Remote monitor carries out peak load regulation network control by supervisory control device to energy storage station, and when grid power abundance, and energy storage station electric weight is when few, controls voltage changer and is operated in AC/DC state, the electrical network incoming call of power transformer is filled with to energy storage station store; And in the time that shortage of electric power appears in grid power deficiency, and when energy storage station electric weight >=30%, remote monitor is operated in DC/AC state by supervisory control device control voltage changer, and the electric weight in energy storage station is transmitted electric power to electrical network by power transformer.Supervisory control device can control station in start and the shutdown of air-conditioning, realize the control of temperature and humidity in station, supervisory control device can also carry out data and control mutual with remote monitor simultaneously.
Compared with prior art, the present invention has following beneficial effect:
The present invention is than traditional energy storage station, its interface has independence, and this energy storage station can multichannel and connect, and can carry out above and access larger power output capacity by two, in this energy storage station, be provided with independently bidirectional current transformer, allow to work alone, it is energy-storage units that this energy storage station adopts dynamic lithium battery, and the life-span is long, environmental adaptation degree is high, possess high-power fan-out capability, high-power charging ability, is lonely network regulation peak important carrier.
Energy storage station of the present invention both can be for plateau field studies, coordinated lonely net mixed power generation technology to become free-standing energy storage station, disconnected power transformer; Can connect again power transformer and national grid grid-connected to regulate local power to distribute.
The casing of energy storage station of the present invention possesses independently stability Design, easy to loading and unloading, has the handling ability of similar container; This energy storage station casing has adopted by the refrigerator proprietary material of the thin plate inner clamps foam that sprays paint and has made, and has had the ability of sunshade thermal insulation, has configured air-conditioning in case again, and in case, ambient temperature is controlled, and the reliability of system, stability are guaranteed.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and coordinate accompanying drawing to be described in detail as follows.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is body structure of the present invention and case interior layout schematic diagram;
Fig. 2 is body structure dodge gate schematic diagram of the present invention;
Fig. 3 is integrated circuit principle framework figure of the present invention;
Fig. 4 is that supervisory control device of the present invention forms schematic diagram;
Fig. 5 is that lithium electricity energy storage cabinet of the present invention forms schematic diagram;
Fig. 6 is that voltage changer of the present invention forms schematic diagram;
Fig. 7 is two energy storage station of the present invention circuit theory frame diagrams that use in parallel.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Shown in Fig. 1, Fig. 2, a kind of box temperature control energy storage station that can be in parallel, comprise an energy-storage box casing, the framework of described energy-storage box casing is formed by fixedly connecting by fixture 4 and bolt 5 by spreader 11 before and after four left and right spreaders 10, four and four surrounding mullions 12, the front portion of described framework is provided with the dodge gate 14 of band handle 13, and all the other of described framework five faces are respectively arranged with portable plate 15.
Further, described left and right spreader 10, front and back spreader 11 and surrounding mullion 12 are alloy material; The lateral surface of described dodge gate 14 and described five portable plates 15 is all the thin plates that spray paint, and its inside is all filled with foamed material; Be positioned on the described portable plate 15 of described base of frame and be coated with an epoxy resin board, and on described epoxy resin board, be also lined with one deck electro-insulating rubber skin, to ensure insulation and the intensity of described portable plate 15 of bottom; Be positioned on the described portable plate 15 of the described framework left and right sides and all offer a gas outlet 16, on described gas outlet 16, be equipped with antitheft and air filtering net.
Shown in Figure 3, in described energy-storage box casing, be provided with power distribution cabinet 1, air-conditioning charger 2, supervisory control device 3, air-conditioning 6, power transformer 7, lithium electricity energy storage cabinet 8 and voltage changer 9, described power distribution cabinet 1 input A7 is connected with the ac voltage output A6 of described voltage changer 9, described power distribution cabinet 1 output terminals A 8 is connected with AC electric appliance, the voltage input end A17 of described air-conditioning power supply 2 is connected with the voltage output end A16 of described lithium electricity energy storage cabinet 8, the control signal input A23 of described air-conditioning charger 2 is connected with the air-conditioning out-put supply control end A22 of described supervisory control device 3, the first ac power output A18 of described air-conditioning charger 2 is connected with the second source input A19 of described lithium electricity energy storage cabinet 8, the second ac power output A20 of described air-conditioning charger 2 is connected with the power input A21 of described air-conditioning 6, the bidirectional DC power supply input/output terminal A10 of described lithium electricity energy storage cabinet 8 is connected with the bidirectional DC power supply input/output terminal A9 of described voltage changer 9, the voltage of described lithium electricity energy storage cabinet 8, electric current, the voltage of temperature signal output terminals A 13 and described supervisory control device 3, electric current, temperature signal input A14 connects, the first power input A15 of described lithium electricity energy storage cabinet 8 is connected with other direct current, the voltage transformation signal input part A11 of described voltage changer 9 is connected with the voltage transformation signal output part A12 of described supervisory control device 3, the two-way exchange power supply input/output terminal A4 of described voltage changer 9 is connected with the two-way exchange power supply input/output terminal A3 of described power transformer 7, the DC converting output terminals A 5 of described voltage changer 9 is as outwards exporting galvanic interface, the bi-directional power input/output terminal A2 of described power transformer 7 is connected with high-voltage fence A1.
Further, in order to solve the ambient temperature electricity consumption in energy storage station, the present invention includes described air-conditioning charger 2, described air-conditioning charger 2 is made up of DC/AC converter, described air-conditioning charger 2 obtains from the voltage of the input of described lithium electricity energy storage cabinet 8, the 220V alternating voltage obtaining, deliver to respectively the power input A19 of inside air-conditioning D 83 and the power input A21 of described air-conditioning 6 of described lithium electricity energy storage cabinet 8 by described DC/AC conversion, give two air-conditioning power supplies.6, described air-conditioning is operated in refrigerating state, its startup, stops, except self controls, can also controlling by described supervisory control device 3.
Further, shown in Figure 4, control and Long-distance Control in order to solve in the station of energy storage station, the present invention includes described supervisory control device 3, described supervisory control device 3 comprises keyboard 31, central processor CPU 32, display 33, remote transceiver 34 and be arranged on the remote monitor 35 of Control Room, the output B6 of described keyboard 31 is connected with the keyboard signal receiving terminal B5 of described central processor CPU 32, the display output B4 of described central processor CPU 32 is connected with the input B3 of described display 33, the two-way signaling input/output terminal B1 of described central processor CPU 32 is connected with the two-way signaling input/output terminal B2 of described remote transceiver 34, the air-conditioning out-put supply control end A22 of described central processor CPU 32 is connected with the control signal input A23 of described air-conditioning charger 2, the voltage transformation signal output part A12 of described central processor CPU 32 is connected with the voltage transformation signal input part A11 of described voltage changer 9, the voltage of described central processor CPU 32, electric current, the voltage of temperature signal input A14 and described lithium electricity energy storage cabinet 8, electric current, temperature signal output terminals A 13 connects, described remote transceiver 34 is connected with described remote monitor 35 by mobile phone wireless base station and the Internet.
When have from described keyboard 31 operation signal time, described display 33 can show the content of operation, after the processing by described central processor CPU 32, delivers to respectively relevant portion and carries out, system starts by work is set.If the electric weight on described lithium electricity energy storage cabinet 8 lower than design capacity 30% time, described supervisory control device 3 starts described voltage changer 9 by two-way control line, control described voltage changer 9 and be operated in AC/DC state, the electrical network incoming call of described power transformer 7 is charged to described lithium electricity energy storage cabinet 8 together with other direct current, when described supervisory control device 3 detect charging reached design capacity 50% time, described voltage changer 9 starts outwards to carry direct current, for charging and electricity consumptions such as electric motor cars, when described supervisory control device 3 detect charging reached design capacity 90% time, controlling described voltage changer 9 changes direction, be operated in DC/AC state, outwards carry direct current and alternating current simultaneously, described power distribution cabinet 1 will manually or automatically be adjusted power load according to exchanging electricity consumption loading condition.Described voltage changer 9 is accepted the control of described supervisory control device 3, while being operated in DC/AC state, can power to the load by described power distribution cabinet 1, can transmit electric power to high-voltage fence by described power transformer 7 again, and not affect system safety and the normal peak regulation that reaches electrical network.Described remote monitor 35 carries out peak load regulation network control by described supervisory control device 3 to energy storage station, when grid power abundance, and energy storage station electric weight is when few, control described voltage changer 9 and be operated in AC/DC state, the electrical network incoming call of described power transformer 7 is filled with to energy storage station store; And in the time that shortage of electric power appears in grid power deficiency, and when energy storage station electric weight >=30%, described remote monitor 35 is controlled described voltage changer 9 by described supervisory control device 3 and is operated in DC/AC state, and the electric weight in energy storage station is transmitted electric power to electrical network by described power transformer 7.
Described supervisory control device 3 can control station in start and the shutdown of described air-conditioning 6; realize the control of temperature and humidity in station; described supervisory control device 3 can also be carried out data and be controlled mutual by wireless base station and described remote monitor 35 simultaneously; realize the operation of remote monitoring energy storage station; receiving remote monitored instruction simultaneously, and can carry out assigned address preservation to the operation of energy storage station and remote monitoring instruction.Described supervisory control device 3 can carry out independent operating by energy storage station according to arranging, and also can be incorporated into the power networks with electrical network, realizes the electric energy peak regulation of energy storage station and electrical network.
Further, shown in Figure 5, in order to solve energy storage and peak load regulation network, the present invention includes described lithium electricity energy storage cabinet 8, described lithium electricity energy storage cabinet 8 comprises lithium battery bag 81, battery management system 82, air-conditioning D 83, described lithium battery bag 81 inputs are connected with the bidirectional, dc input/output terminal A9 of described voltage changer 9 by the bidirectional DC power supply input/output terminal A10 of described lithium electricity energy storage cabinet 8, the first power input A15 of described lithium battery bag 81 is as the input interface of other DC power supply, the voltage output end A16 of described lithium battery bag 81 is connected with the voltage input end A17 of described air-conditioning charger 2, the temperature sensor signal output B7 of described lithium battery bag 81 is connected with the battery temperature signal receiving end B8 of described battery management system 82, the monomer lithium electricity module voltage signal output part B9 of described lithium battery bag 81 is connected with the monomer lithium electricity module voltage signal receiving end B10 of described battery management system 82, the current sensor signal output B11 of described lithium battery bag 81 is connected with the battery current signal receiving end B12 of described battery management system 82, the refrigeration signal output part B13 of described battery management system 82 is connected with the refrigeration signal controlling end B14 of described air-conditioning D 83, the signal output part B15 that heats of described battery management system 82 is connected with the signal controlling end B16 that heats of described air-conditioning D 83, the voltage of described battery management system 82, electric current, the voltage of temperature signal output terminals A 13 and described supervisory control device 3, electric current, temperature signal input A14 connects, the second source input A19 of described air-conditioning D 83 is connected with the first ac power output A18 of described air-conditioning charger 2.
Described lithium electricity energy storage cabinet 8 is by the temperature of described lithium battery bag 81, voltage, current signal is delivered to after described supervisory control device 3, described supervisory control device 3 charges the electric weight situation according to described lithium battery bag 81 respectively or control of discharge, if the electric weight on described lithium electricity energy storage cabinet 8 lower than design capacity 30% time, described supervisory control device 3 just starts described voltage changer 9, control described voltage changer 9 and be operated in AC/DC state, the electrical network of described power transformer 7 is sent a telegram here together with other direct current (as solar energy, wind-powered electricity generation etc.) to described lithium electricity energy storage cabinet 8 charge (also can separately charge), when described supervisory control device 3 detect charging reached design capacity 50% time, described voltage changer 9 starts outwards to carry direct current, for charging and electricity consumptions such as electric motor cars, when described supervisory control device 3 detect charging reached design capacity 90% time, controlling described voltage changer 9 changes direction, be operated in DC/AC state, outwards carry direct current and alternating current simultaneously, when described supervisory control device 3 is controlled described voltage changer 9 and is operated in DC/AC state, can power to the load by described power distribution cabinet 1, can transmit electric power to high-voltage fence by described power transformer 7 again, and not affect system safety and the normal peak regulation that reaches electrical network.
Should particularly point out, the peak regulation of described lithium electricity energy storage cabinet 8 is mainly: 1, the randomness of the wind-powered electricity generation in mountain area, plateau and field and solar power generation and Intermittent Features, by adopting to the input of described lithium electricity energy storage cabinet 8, become reliable galvanic current, after changing by DC/AC again, obtain stable alternating current reliably and power to the load, or transmit electric power to electrical network, and do not affect the safety of system and the normal operation of electrical network; 2,, when grid power abundance, unnecessary electric weight when user makes to too many or too much for use, stores to 8 chargings of described lithium electricity energy storage cabinet by described power transformer 7 and described voltage changer 9; When user power utilization overloads, when grid power is not enough, by described voltage changer 9 and described power transformer 7, the electric energy in described lithium electricity energy storage cabinet 8 is carried to electrical network.
Described lithium electricity energy storage cabinet 8 is independent uses or controls decision with the grid-connected use of electrical network by described supervisory control device 3.The described air-conditioning D 83 of described lithium electricity energy storage cabinet 8 inside can be operated in refrigeration and heat two operating states according to the temperature of described lithium battery bag 81, in the time that temperature≤10 of described lithium battery bag 81 are spent, described battery manager 82 starts described air-conditioning D 83 and is operated in the state of heating by heating signal control line; In the time that battery pack temperature >=40 are spent, described battery manager 82 starts described air-conditioning D 83 by refrigeration signal control line and is operated in refrigerating state.
Further, shown in Figure 6, in order to realize the conversion of voltage, realize charging and the electricity consumption of different electrical power to energy storage bag, the present invention includes described voltage changer 9, described voltage changer 9 comprises two way convertor 91 and DC/DC converter 92, the ac input end of described two way convertor 91 is connected by the two-way exchange power supply input/output terminal A4 of described voltage changer 9 and the two-way exchange power supply input/output terminal A3 of described power transformer 7, the direct-flow input end of described two way convertor 91 is connected with the bidirectional DC power supply input/output terminal A10 of described lithium electricity energy storage cabinet 8 by the bidirectional DC power supply input/output terminal A9 of described voltage changer 9, the signal input part of described two way convertor 91 is connected by the voltage transformation signal input part A11 of described voltage changer 9 and the voltage transformation signal output part A12 of described supervisory control device 3, the ac voltage output A6 of described two way convertor 91 is connected with the input A7 of described power distribution cabinet 1, the control signal output B17 of described two way convertor 91 is connected with the control signal input B18 of described DC/DC converter 92, the DC supply input B19 of described DC/DC converter 92 is connected with the bidirectional DC power supply input/output terminal A10 of described lithium electricity energy storage cabinet 8 with the bidirectional DC power supply input/output terminal A9 by described voltage changer 9, the DC converting output terminals A 5 of described DC/DC converter 92 is as outwards exporting galvanic interface.
Described voltage changer 9 is controlled operating state by described supervisory control device 3, in the time that described two way convertor 91 receives the signal charging to described lithium electricity energy storage cabinet 8, described two way convertor 91 is operated in AC/DC state, and the alternating current that described power transformer 7 is sent here is transformed to the direct current charging to described lithium electricity energy storage cabinet 8; In the time that described two way convertor 91 receives the signal that described lithium electricity energy storage cabinet 8 is discharged, described two way convertor 91 is operated in DC/AC state, the direct current of described lithium electricity energy storage cabinet 8 is transformed to after alternating current, carries alternating current (also can distinguish power transmission) to described power transformer 7 and described power distribution cabinet 1; In the time that the storage electric weight in described lithium electricity energy storage cabinet 8 reaches 50%, described supervisory control device 3 is controlled described DC/DC converter 92 by the control signal output B17 of described two way convertor 91 and is entered work, the direct voltage that the DC voltage conversion of described lithium electricity energy storage cabinet 8 is become to satisfy the demand, and DC voltage output end A5 by described voltage changer 9 is for direct-flow current consumer, for example, to electric motor car charging etc.
Further, grid-connected in order to realize conversion and the electrical network of alternating voltage, the present invention includes described power transformer 7, when described voltage changer 9 is operated in DC/AC state, and controlled while carrying alternating current to described power transformer 7 by described supervisory control device 3, the voltage that described power transformer 7 obtains its two-way exchange power supply input/output terminal A3 is elevated to the high voltage of electrical network, and is transported in high-voltage fence 1 and is gone by its bi-directional power input/output terminal A2; When described voltage changer 9 is operated in AC/DC state, and controlled while asking for alternating current to described power transformer 7 by described supervisory control device 3, the lower voltage that described power transformer 7 obtains bi-directional power input/output terminal A2 is to the operating voltage that meets described voltage changer 9, and is transported to by two-way exchange power supply input/output terminal A3 in the two-way exchange power supply input/output terminal A4 of described voltage changer 9 and goes.Described power transformer 7 does not change frequency, the phase place of alternating voltage.
Further, in order to realize the sharing of load of alternating voltage, the present invention includes described power distribution cabinet 1, when described voltage changer 9 is operated in DC/AC state, and controlled while carrying alternating current to the input A7 of described power distribution cabinet 1 by described supervisory control device 3, described power distribution cabinet 1 is powered to AC electric appliance by output terminals A 8, and controls the load of AC electric appliance.
Further, shown in Figure 7, in order to increase the power output of energy storage station, the present invention passes through the parallel connection of the described box temperature control energy storage station of two, and carries out parallel operation computing and control by described remote monitor 35; The DC converting output terminals A 5 of each described described voltage changer 9 in can the box temperature control energy storage station in parallel respectively positive pole of the diode D corresponding with connects, and the negative pole of each described diode D is connected with direct-flow current consumer respectively after parallel connection.
In order not affect normal work and the control of two battery management systems, described lithium battery bag 81 can not be directly in parallel, because two described lithium battery bags 81 itself are just high-power, and the characteristic variations in production and use is incomplete same, particularly later stage station, after the direct parallel connection of described lithium battery bag 81, all cisco unity malfunctions and the control of two battery management systems will be made, there is the problem of battery management by whose decision, this the present invention has been adopted to the mode that first increases large-scale diode D in two station DC converting output terminals A 5 at DC output end, the positive pole of two described diode D is connected with the DC converting output terminals A 5 at two stations respectively, the negative pole of two described diode D is realized two described lithium battery bags 81 in the parallel connection of X1 place can export D.C. high-current, can not affect again battery management and control.
After two above energy storage station parallel connections, AC portion is only required same-phase, same frequency, both can in parallelly be used with voltage, also can adopt independent ac power supply method; After two above energy storage station parallel connections, one times of the increased power that direct-flow current consumer obtains, can charge to electric motor car quickly.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
- One kind can be in parallel box temperature control energy storage station, it is characterized in that: comprise an energy-storage box casing, the framework of described energy-storage box casing is formed by fixedly connecting by fixture (4) and bolt (5) by four left and right spreaders (10), four front and back spreaders (11) and four surrounding mullions (12), the front portion of described framework is provided with the dodge gate (14) of band handle (13), and all the other of described framework five faces are respectively arranged with portable plate (15);In described energy-storage box casing, be provided with power distribution cabinet (1), air-conditioning charger (2), supervisory control device (3), air-conditioning (6), power transformer (7), lithium electricity energy storage cabinet (8) and voltage changer (9); described power distribution cabinet (1) input (A7) is connected with the ac voltage output (A6) of described voltage changer (9), described power distribution cabinet (1) output (A8) is connected with AC electric appliance, the voltage input end (A17) of described air-conditioning charger (2) is connected with the voltage output end (A16) of described lithium electricity energy storage cabinet (8), the control signal input (A23) of described air-conditioning charger (2) is connected with the air-conditioning out-put supply control end (A22) of described supervisory control device (3), first ac power output (A18) of described air-conditioning charger (2) is connected with the second source input (A19) of described lithium electricity energy storage cabinet (8), second ac power output (A20) of described air-conditioning charger (2) is connected with the power input (A21) of described air-conditioning (6), the bidirectional DC power supply input/output terminal (A10) of described lithium electricity energy storage cabinet (8) is connected with the bidirectional DC power supply input/output terminal (A9) of described voltage changer (9), the voltage of described lithium electricity energy storage cabinet (8), electric current, the voltage of temperature signal output (A13) and described supervisory control device (3), electric current, temperature signal input (A14) connects, first power input (A15) of described lithium electricity energy storage cabinet (8) is connected with other direct current, the voltage transformation signal input part (A11) of described voltage changer (9) is connected with the voltage transformation signal output part (A12) of described supervisory control device (3), the two-way exchange power supply input/output terminal (A4) of described voltage changer (9) is connected with the two-way exchange power supply input/output terminal (A3) of described power transformer (7), the DC converting output (A5) of described voltage changer (9) is as outwards exporting galvanic interface, the bi-directional power input/output terminal (A2) of described power transformer (7) is connected with high-voltage fence (A1).
- 2. box temperature control energy storage station that can be in parallel according to claim 1, is characterized in that: described left and right spreader (10), front and back spreader (11) and surrounding mullion (12) are alloy material.
- 3. box temperature control energy storage station that can be in parallel according to claim 1, is characterized in that: the lateral surface of described dodge gate (14) and described five portable plates (15) is all the thin plates that spray paint, and its inside is all filled with foamed material.
- 4. box temperature control energy storage station that can be in parallel according to claim 3, it is characterized in that: be positioned on the described portable plate (15) of described base of frame and be coated with an epoxy resin board, and on described epoxy resin board, be also lined with one deck electro-insulating rubber skin, to ensure insulation and the intensity of described portable plate (15) of bottom.
- 5. box temperature control energy storage station that can be in parallel according to claim 1, it is characterized in that: be positioned on the described portable plate (15) of the described framework left and right sides and all offer a gas outlet (16), described gas outlet is equipped with antitheft and air filtering net on (16).
- 6. box temperature control energy storage station that can be in parallel according to claim 1, it is characterized in that: described supervisory control device (3) comprises keyboard (31), central processor CPU (32), display (33), remote transceiver (34) and be arranged on the remote monitor (35) of Control Room, the output (B6) of described keyboard (31) is connected with the keyboard signal receiving terminal (B5) of described central processor CPU (32), the display output (B4) of described central processor CPU (32) is connected with the input (B3) of described display (33), the two-way signaling input/output terminal (B1) of described central processor CPU (32) is connected with the two-way signaling input/output terminal (B2) of described remote transceiver (34), the air-conditioning out-put supply control end (A22) of described central processor CPU (32) is connected with the control signal input (A23) of described air-conditioning charger (2), the voltage transformation signal output part (A12) of described central processor CPU (32) is connected with the voltage transformation signal input part (A11) of described voltage changer (9), the voltage of described central processor CPU (32), electric current, the voltage of temperature signal input (A14) and described lithium electricity energy storage cabinet (8), electric current, temperature signal output (A13) connects, described remote transceiver (34) is connected with described remote monitor (35) by mobile phone wireless base station and the Internet.
- 7. box temperature control energy storage station that can be in parallel according to claim 1, it is characterized in that: described lithium electricity energy storage cabinet (8) comprises lithium battery bag (81), battery management system (82), air-conditioning D(83), described lithium battery bag (81) input is connected with the bidirectional, dc input/output terminal (A9) of described voltage changer (9) by the bidirectional DC power supply input/output terminal (A10) of described lithium electricity energy storage cabinet (8), first power input (A15) of described lithium battery bag (81) is as the input interface of other DC power supply, the voltage output end (A16) of described lithium battery bag (81) is connected with the voltage input end (A17) of described air-conditioning charger (2), the temperature sensor signal output (B7) of described lithium battery bag (81) is connected with the battery temperature signal receiving end (B8) of described battery management system (82), the monomer lithium electricity module voltage signal output part (B9) of described lithium battery bag (81) is connected with the monomer lithium electricity module voltage signal receiving end (B10) of described battery management system (82), the current sensor signal output (B11) of described lithium battery bag (81) is connected with the battery current signal receiving end (B12) of described battery management system (82), the refrigeration signal output part (B13) of described battery management system (82) and described air-conditioning D(83) refrigeration signal controlling end (B14) be connected, described battery management system (82) heat signal output part (B15) and described air-conditioning D(83) the signal controlling end (B16) that heats be connected, the voltage of described battery management system (82), electric current, the voltage of temperature signal output (A13) and described supervisory control device (3), electric current, temperature signal input (A14) connects, described air-conditioning D(83) second source input (A19) be connected with first ac power output (A18) of described air-conditioning charger (2).
- 8. box temperature control energy storage station that can be in parallel according to claim 1, it is characterized in that: described voltage changer (9) comprises two way convertor (91) and DC/DC converter (92), the ac input end of described two way convertor (91) is connected by the two-way exchange power supply input/output terminal (A4) of described voltage changer (9) and the two-way exchange power supply input/output terminal (A3) of described power transformer (7), the direct-flow input end of described two way convertor (91) is connected with the bidirectional DC power supply input/output terminal (A10) of described lithium electricity energy storage cabinet (8) by the bidirectional DC power supply input/output terminal (A9) of described voltage changer (9), the signal input part of described two way convertor (91) is connected by the voltage transformation signal input part (A11) of described voltage changer (9) and the voltage transformation signal output part (A12) of described supervisory control device (3), the ac voltage output (A6) of described two way convertor (91) is connected with the input (A7) of described power distribution cabinet (1), the control signal output (B17) of described two way convertor (91) is connected with the control signal input (B18) of described DC/DC converter (92), the DC supply input (B19) of described DC/DC converter (92) is connected with the bidirectional DC power supply input/output terminal (A10) of described lithium electricity energy storage cabinet (8) with the bidirectional DC power supply input/output terminal (A9) by described voltage changer (9), the DC converting output (A5) of described DC/DC converter (92) is as outwards exporting galvanic interface.
- According to described in claim 1-8 can be in parallel box temperature control energy storage station, it is characterized in that: multiple described box temperature control energy storage stations that can be in parallel use the ability that realizes high-power output by parallel connection, and carry out parallel operation computing and control by described remote monitor (35); The DC converting output (A5) of each described described voltage changer (9) in can the box temperature control energy storage station in parallel respectively positive pole of the diode (D) corresponding with connects, and the negative pole of each described diode (D) is connected with direct-flow current consumer respectively after parallel connection.
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| WO2023151126A1 (en) * | 2022-02-14 | 2023-08-17 | 福建时代星云科技有限公司 | Energy storage cabinet |
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| CN103996980B (en) | 2016-06-29 |
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