CN103996980B - A kind of can be in parallel box temperature control energy storage station - Google Patents
A kind of can be in parallel box temperature control energy storage station Download PDFInfo
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- CN103996980B CN103996980B CN201410271592.0A CN201410271592A CN103996980B CN 103996980 B CN103996980 B CN 103996980B CN 201410271592 A CN201410271592 A CN 201410271592A CN 103996980 B CN103996980 B CN 103996980B
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Abstract
The invention discloses a kind of box temperature control energy storage station that can be in parallel, including an energy-storage box casing being made up of compo pipe and portable plate, in energy-storage box casing, it is provided with power distribution cabinet, air-conditioning charger, supervisory control device, air-conditioning, power transformer, lithium electricity energy storage cabinet and voltage changer.The present invention is compared to tradition energy storage station, its interface has independence, this energy storage station can multichannel access bigger power output capacity, be provided with independent bidirectional current transformer in this energy storage station, it is allowed to work alone, this energy storage station adopts dynamic lithium battery to be energy-storage units, life-span is long, and environmental adaptation degree is high, possesses high-power fan-out capability, high-power charging ability, is lonely net peak regulation important carrier.The energy storage station of the present invention both for plateau field studies, can coordinate lonely net mixed power generation technology to become stand alone type energy storage station, disconnected power transformer；Power transformer can be connected again grid-connected with national grid to regulate local power distribution.
Description
Technical field
The present invention relates to all kinds of power supply technical field of energy storage, 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 it is wind-power electricity generation or solar electrical energy generation, himself all has randomness and Intermittent Features, adopt reliable energy storage technology as supporting and buffering, to solve the undulatory property problem of generation of electricity by new energy, enable normal use that be connected to the grid of wind-power electricity generation and solar electrical energy generation safety on a large scale, and the normal peak regulation of not influential system safety and electrical network.Simultaneously along with the fast development of ev industry, the lithium quick demand of electricity energy storage station also will be greatly improved, and the battery temperature in the box-type parallel power technology of the thoroughly power increase of solution lithium electricity energy storage bag, energy-storage box, energy storage station and use controls technology and also will affect the development process of above-mentioned two industry.
Summary of the invention
For the shortcoming overcoming prior art, it is desirable to provide a kind of can be in parallel box temperature control energy storage station, the power of lithium electricity energy storage station can be increased by the mode that multiple box temperature control energy-storage boxes are in parallel, variation in the normal range that the temperature that can control again lithium battery use is maintained at 10-40 degree, reaches to extend the purpose of battery.
For solving above-mentioned technical problem, the present invention is achieved through the following technical solutions:
A kind of can be in parallel box temperature control energy storage station, including an energy-storage box casing, the framework of described energy-storage box casing is formed by fixedly connecting by fixture and bolt by about four spreaders, four front and back spreaders and four surrounding mullions, the front portion of described framework is provided with the dodge gate of handle, and all the other five faces of described framework are respectively arranged with portable plate；
Power distribution cabinet, air-conditioning charger, supervisory control device, air-conditioning, power transformer, lithium electricity energy storage cabinet and voltage changer it is provided with in described energy-storage box casing；Described power distribution cabinet input is connected with the ac voltage output of described voltage changer, described power distribution cabinet outfan 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 controls end with the air-conditioning out-put supply of described supervisory control device and is connected, first ac power output of described air-conditioning charger is connected with the second source input of described lithium electricity energy storage cabinet, 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 outfan and described supervisory control device, electric current, temperature signal input connects, first power input of described lithium electricity energy storage cabinet is connected with other unidirectional 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 outfan of described voltage changer is as outwards exporting galvanic interface, 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 pieces of portable plates is all the thin plate that sprays paint, and is all filled with foamed materials inside it.
Further, it is positioned on the described portable plate of described base of frame and is coated with one piece of epoxy resin board, and on described epoxy resin board, be also lined with one layer of electro-insulating rubber skin, to ensure insulation and the intensity of the described portable plate of bottom.
Further, it is positioned on the described portable plate of the described framework left and right sides and all offers a gas outlet, described gas outlet is equipped with antitheft and air filtering net.
Further, described supervisory control device includes keyboard, central processor CPU, display, remote transceiver and be arranged on the remote monitor of Control Room, the outfan of described keyboard is connected with the keyboard signal receiving terminal of described central processor CPU, the display signal output part 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 of described central processor CPU controls end and 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 outfan 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 includes 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, first power input of described lithium battery bag (includes for galvanic photoelectricity as the input interface of other DC source, 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 outfan of described lithium battery bag is connected with the battery temperature signal receiving terminal 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 outfan of described lithium battery bag is connected with the battery current signal receiving end of described battery management system, the cooling signals outfan of described battery management system controls end with the cooling signals of described air-conditioning D and is connected, the signal output part that heats of described battery management system is connected with the signal control end that heats of described air-conditioning D, the voltage of described battery management system, electric current, the voltage of temperature signal outfan 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 includes two way convertor and DC/DC changer, the ac input end of described two way convertor is connected with the two-way exchange power supply input/output terminal of described power transformer by the two-way exchange power supply input/output terminal of described voltage changer, the direct-flow input end of described two way convertor is connected by the bidirectional DC power supply input/output terminal of the bidirectional DC power supply input/output terminal of described voltage changer with described lithium electricity energy storage cabinet, the signal input part of described two way convertor is connected with the voltage transformation signal output part of described supervisory control device by the voltage transformation signal input part of described voltage changer, the ac voltage output of described two way convertor is connected with the input of described power distribution cabinet, the control signal outfan of described two way convertor is connected with the control signal input of described DC/DC changer, the DC supply input of described DC/DC changer is connected with by the bidirectional DC power supply input/output terminal of the bidirectional DC power supply input/output terminal of described voltage changer with described lithium electricity energy storage cabinet, the DC converting outfan of described DC/DC changer is as outwards exporting galvanic interface.
Further, box temperature control energy storage station that can be in parallel described in multiple uses the ability realizing high-power output in parallel, and is undertaken and machine computing and control by described remote monitor；Each described can the positive pole of corresponding with the one respectively diode of the DC converting outfan of described voltage changer in box temperature control energy storage station in parallel connecting, the negative pole of each described diode is connected with direct-flow current consumer respectively after parallel connection.
During use, first air-conditioning charger works, to solve ambient temperature electricity consumption, then start supervisory control device and observe lithium electricity energy storage voltage cashier's office in a shop and electricity, if the electricity that lithium electricity energy storage is cashier's office in a shop lower than design capacity 30% time, supervisory control device starts voltage changer by double-direction control line, controls voltage changer and is operated in AC/DC state, and sent a telegram here by the electrical network of power transformer is charged lithium electricity energy storage cabinet together with other unidirectional current；When supervisory control device detects that charging has reached the 50% of design capacity, voltage changer starts outwards to carry unidirectional current, for the chargings such as electric motor car and electricity consumption；When supervisory control device detects that charging has reached the 90% of design capacity, control voltage changer to change direction, being operated in DC/AC state, outwards carry unidirectional current and alternating current simultaneously, power distribution cabinet will manually or automatically adjust power load according to exchange electricity consumption loading condition.
Other unidirectional current is produced by photovoltaic generation or wind-power electricity generation, by they being stored in lithium electricity energy storage cabinet, solves randomness when they generate electricity and intermittent problems.Voltage changer accepts the control of supervisory control device, when being operated in DC/AC state, namely can be powered to the load by power distribution cabinet, can be transmitted electric power to high-voltage fence by power transformer again, and not influential system safety and reach the normal peak regulation of electrical network, it is achieved the normal application target that is connected to the grid of the large-scale safety of wind-powered electricity generation and solar electrical energy generation.
Owing to a chest is exactly an energy storage station, when an energy storage station is unsatisfactory for peak load regulation network or uses power, it is possible to multiple used in parallel, remote monitor carry out and machine runs and controls.Energy storage station is carried out peak load regulation network control by supervisory control device by remote monitor, and when grid power is sufficient, and when energy storage station electricity is few, controlling voltage changer is operated in AC/DC state, and being sent a telegram here by the electrical network of power transformer is filled with energy storage station storage；And when shortage of electric power occurs in grid power deficiency, and during energy storage station electricity >=30%, remote monitor controls voltage changer by supervisory control device and is operated in DC/AC state, is transmitted electric power to electrical network by power transformer by the electricity in energy storage station.Supervisory control device can the start of air-conditioning and shutdown in control station, it is achieved the control of temperature and humidity in standing, supervisory control device can also carry out data with remote monitor and control mutual simultaneously.
Compared with prior art, the method have the advantages that
The present invention is compared to tradition energy storage station, its interface has independence, and this energy storage station can multichannel connecing, it is possible to is undertaken by two or more and accesses bigger power output capacity, independent bidirectional current transformer it is provided with in this energy storage station, allowing to work alone, this energy storage station adopts dynamic lithium battery to be energy-storage units, and the life-span is long, environmental adaptation degree is high, possess high-power fan-out capability, high-power charging ability, be lonely net peak regulation important carrier.
The energy storage station of the present invention both for plateau field studies, can coordinate lonely net mixed power generation technology to become stand alone type energy storage station, disconnected power transformer；Power transformer can be connected again grid-connected with national grid to regulate local power distribution.
The casing of the energy storage station of the present invention possesses independent stability Design, easy to loading and unloading, has the handling ability of similar container；This energy storage station casing have employed to be made up of the refrigerator proprietary material of the thin plate inner clamps foam that sprays paint, and is provided with the ability of sunshade thermal insulation, is configured with in case again air-conditioning, and case environment temperature-controllable makes the reliability of system, stability be guaranteed.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, and can be practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.The specific embodiment of the present invention is shown in detail in by following example and accompanying drawing thereof.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is body structure and the case interior layout schematic diagram of the present invention；
Fig. 2 is the body structure dodge gate schematic diagram of the present invention；
Fig. 3 is the integrated circuit principle framework figure of the present invention；
The supervisory control device that Fig. 4 is the present invention constitutes schematic diagram；
The lithium electricity energy storage cabinet that Fig. 5 is the present invention constitutes schematic diagram；
The voltage changer that Fig. 6 is the present invention constitutes schematic diagram；
Fig. 7 is the energy storage station circuit theory frame diagram used in parallel of two playscripts with stage directions inventions.
Detailed description of the invention
Below with reference to the accompanying drawings and in conjunction with the embodiments, the present invention is described in detail.
Shown in Fig. 1, Fig. 2, a kind of can be in parallel box temperature control energy storage station, including 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 about four spreaders 10, four and four surrounding mullions 12, the front portion of described framework is provided with the dodge gate 14 of handle 13, and all the other five faces of described framework 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 pieces of portable plates 15 is all the thin plate that sprays paint, and is all filled with foamed materials inside it；It is positioned on the described portable plate 15 of described base of frame and is coated with one piece of epoxy resin board, and on described epoxy resin board, be also lined with one layer of electro-insulating rubber skin, to ensure insulation and the intensity of the described portable plate 15 of bottom；It is positioned on the described portable plate 15 of the described framework left and right sides and all offers a gas outlet 16, described gas outlet 16 is equipped with antitheft and air filtering net.
Shown in Figure 3, it is 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 in described energy-storage box casing；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 described air-conditioning voltage input end A17 of 2 that powers 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 controls end A22 with the air-conditioning out-put supply of described supervisory control device 3 and is connected, 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 described bidirectional DC power supply input/output terminal A10 of 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, first power input A15 of described lithium electricity energy storage cabinet 8 is connected with other unidirectional 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 changer, described air-conditioning charger 2 obtains after the voltage of the input of described lithium electricity energy storage cabinet 8, converted the 220V alternating voltage obtained by described DC/AC, deliver to the power input A19 of the inside air-conditioning D83 of described lithium electricity energy storage the cabinet 8 and power input A21 of described air-conditioning 6 respectively, power to two air-conditionings.Described air-conditioning 6 is only operated in refrigerating state, except its startup, stopping control except self, it is also possible to controlled by described supervisory control device 3.
Further, shown in Figure 4, in order to solve to control in the station of energy storage station and remotely control, the present invention includes described supervisory control device 3, described supervisory control device 3 includes keyboard 31, central processor CPU 32, display 33, remote transceiver 34 and be arranged on the remote monitor 35 of Control Room, the outfan B6 of described keyboard 31 is connected with the keyboard signal receiving terminal B5 of described central processor CPU 32, the display signal output part 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 of described central processor CPU 32 controls end A22 and 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 there being the operation signal from described keyboard 31, described display 33 can show the content of operation, after the process of described central processor CPU 32, delivers to relevant portion respectively and performs, and system starts by arranging work.If the electricity 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 double-direction control line, 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 and together with other unidirectional current, described lithium electricity energy storage cabinet 8 is charged, when described supervisory control device 3 detects that charging has reached the 50% of design capacity, described voltage changer 9 starts outwards to carry unidirectional current, for the chargings such as electric motor car and electricity consumption, when described supervisory control device 3 detects that charging has reached the 90% of design capacity, control described voltage changer 9 to change direction, it is operated in DC/AC state, outwards carry unidirectional current and alternating current simultaneously, described power distribution cabinet 1 will manually or automatically adjust power load according to exchange electricity consumption loading condition.Described voltage changer 9 accepts the control of described supervisory control device 3, when being operated in DC/AC state, namely can pass through described power distribution cabinet 1 power to the load, can transmit electric power to high-voltage fence by described power transformer 7 again, and not influential system safety with reach the normal peak regulation of electrical network.Energy storage station is carried out peak load regulation network control by described supervisory control device 3 by described remote monitor 35, when grid power is sufficient, and energy storage station electricity few time, controlling described voltage changer 9 is operated in AC/DC state, and being sent a telegram here by the electrical network of described power transformer 7 is filled with energy storage station and stores；And when shortage of electric power occurs in grid power deficiency, and during energy storage station electricity >=30%, described remote monitor 35 controls described voltage changer 9 by described supervisory control device 3 and is operated in DC/AC state, is transmitted electric power to electrical network by described power transformer 7 by the electricity in energy storage station.
Described supervisory control device 3 can the start of described air-conditioning 6 and shutdown in control station; realize the control of temperature and humidity in station; described supervisory control device 3 can also carry out data by wireless base station and described remote monitor 35 and control mutual simultaneously; realize remotely monitoring the operation of energy storage station; receive simultaneously and remotely monitor instruction, and can carry out specifying position to preserve to the operation of energy storage station and long-range monitoring instruction.Energy storage station can be carried out independent operating according to arranging by described supervisory control device 3, it is also possible to be incorporated into the power networks with electrical network, it is achieved 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 includes lithium battery bag 81, battery management system 82, air-conditioning D83, described lithium battery bag 81 input is connected with the bidirectional, dc input/output terminal A9 of described voltage changer 9 by the described bidirectional DC power supply input/output terminal A10 of lithium electricity energy storage cabinet 8, first power input A15 of described lithium battery bag 81 is as the input interface of other DC source, 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 outfan B7 of described lithium battery bag 81 is connected with the battery temperature signal receiving terminal 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 outfan B11 of described lithium battery bag 81 is connected with the battery current signal receiving end B12 of described battery management system 82, the cooling signals of the cooling signals outfan B13 and described air-conditioning D83 of described battery management system 82 controls end B14 and is connected, the signal control end B16 that heats heating signal output part B15 and described air-conditioning D83 of described battery management system 82 is connected, 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 D83 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, after current signal delivers to described supervisory control device 3, described supervisory control device 3 will be charged or control of discharge respectively according to the charge condition of described lithium battery bag 81, if the electricity 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 unidirectional current (such as solar energy, wind-powered electricity generation etc.) described lithium electricity energy storage cabinet 8 is charged (can also separately charge), when described supervisory control device 3 detects that charging has reached the 50% of design capacity, described voltage changer 9 starts outwards to carry unidirectional current, for the chargings such as electric motor car and electricity consumption, when described supervisory control device 3 detects that charging has reached the 90% of design capacity, control described voltage changer 9 to change direction, it is operated in DC/AC state, outwards carry unidirectional current and alternating current simultaneously；Described supervisory control device 3 controls described voltage changer 9 when being operated in DC/AC state, namely can pass through described power distribution cabinet 1 to power to the load, can be transmitted electric power to high-voltage fence by described power transformer 7 again, and not influential system safety and reach the normal peak regulation of electrical network.
Should particularly point out, the peak regulation of described lithium electricity energy storage cabinet 8 is mainly: 1, at the wind-powered electricity generation in mountain area, plateau and field and the randomness of solar electrical energy generation and Intermittent Features, by adopting the input to described lithium electricity energy storage cabinet 8, become reliable galvanic current, after changing again through DC/AC, obtain alternating current stable reliably to power to the load, or transmit electric power to electrical network, and the normal operation of the not safety of influential system and electrical network；2, when grid power is sufficient, user makes electricity unnecessary when cannoing be used up, and is stored to the charging of described lithium electricity energy storage cabinet 8 by described power transformer 7 and described voltage changer 9；When user power utilization overloads, during grid power deficiency, carried to electrical network by the electric energy in the described lithium electricity energy storage cabinet 8 of described voltage changer 9 and described power transformer 7.
Described lithium electricity energy storage cabinet 8 be independently from or with the grid-connected use of electrical network by described supervisory control device 3 control determine.Described air-conditioning D83 within described lithium electricity energy storage cabinet 8 can be operated in refrigeration according to the temperature of described lithium battery bag 81 and heat two duties, when temperature≤10 degree of described lithium battery bag 81, described battery manager 82 is operated in, by heating the signal control line described air-conditioning D83 of startup, the state of heating；When battery pack temperature >=40 degree, described battery manager 82 starts described air-conditioning D83 by cooling signals control line and is operated in refrigerating state.
Further, shown in Figure 6, in order to realize the conversion of voltage, realize different electrical power to the charging of energy storage bag and electricity consumption, the present invention includes described voltage changer 9, described voltage changer 9 includes two way convertor 91 and DC/DC changer 92, the ac input end of described two way convertor 91 is connected with the two-way exchange power supply input/output terminal A3 of described power transformer 7 by the two-way exchange power supply input/output terminal A4 of described voltage changer 9, the direct-flow input end of described two way convertor 91 is connected by the bidirectional DC power supply input/output terminal A10 of the bidirectional DC power supply input/output terminal A9 of described voltage changer 9 with described lithium electricity energy storage cabinet 8, the signal input part of described two way convertor 91 is connected with the voltage transformation signal output part A12 of described supervisory control device 3 by the voltage transformation signal input part A11 of described voltage changer 9, 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 outfan B17 of described two way convertor 91 is connected with the control signal input B18 of described DC/DC changer 92, the DC supply input B19 of described DC/DC changer 92 is connected with by the bidirectional DC power supply input/output terminal A10 of the bidirectional DC power supply input/output terminal A9 of described voltage changer 9 with described lithium electricity energy storage cabinet 8, the DC converting output terminals A 5 of described DC/DC changer 92 is as outwards exporting galvanic interface.
Described voltage changer 9 is controlled duty by described supervisory control device 3, when described two way convertor 91 receives the signal being charged to described lithium electricity energy storage cabinet 8, described two way convertor 91 is operated in AC/DC state, is the unidirectional current charged to described lithium electricity energy storage cabinet 8 by the convert alternating current that described power transformer 7 is sent here；When 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, after the DC power conversion of described lithium electricity energy storage cabinet 8 is alternating current, carry alternating current (power transmission can also be distinguished) to described power transformer 7 and described power distribution cabinet 1；When the storage electricity in described lithium electricity energy storage cabinet 8 reaches 50%, described supervisory control device 3 controls described DC/DC changer 92 by the control signal outfan B17 of described two way convertor 91 and enters work, become to meet the DC voltage of needs by the DC voltage conversion of described lithium electricity energy storage cabinet 8, and by the DC voltage output end A5 of described voltage changer 9 for direct-flow current consumer, for instance to electric motor car charging etc..
Further, conversion and electrical network in order to realize alternating voltage are grid-connected, the present invention includes described power transformer 7, when described voltage changer 9 is operated in DC/AC state, and by described supervisory control device 3 control to described power transformer 7 carry alternating current time, the voltage that its two-way exchange power supply input/output terminal A3 obtains is increased to the high voltage of electrical network by described power transformer 7, and is transported in high-voltage fence 1 by its bi-directional power input/output terminal A2；When described voltage changer 9 is operated in AC/DC state, and by described supervisory control device 3 control to described power transformer 7 ask for alternating current time, the voltage that bi-directional power input/output terminal A2 obtains is reduced to the running voltage meeting described voltage changer 9 by described power transformer 7, and is transported in the two-way exchange power supply input/output terminal A4 of described voltage changer 9 by two-way exchange power supply input/output terminal A3.Described power transformer 7 does not change the frequency of alternating voltage, phase place.
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 by described supervisory control device 3 control to described power distribution cabinet 1 input A7 carry alternating current time, 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 output of energy storage station, the present invention is by by the parallel connection of the described box temperature control energy storage station of two, and is undertaken and machine computing and control by described remote monitor 35；Each described can the positive pole of corresponding with the one respectively diode D of the DC converting output terminals A 5 of described voltage changer 9 in box temperature control energy storage station in parallel connecting, the negative pole of each described diode D is connected with direct-flow current consumer respectively after parallel connection.
In order to not affect normal operation and the control of two battery management systems, described lithium battery bag 81 can not be directly in parallel, owing to two described lithium battery bags 81 are inherently high-power, and the characteristic variations in producing and using is incomplete same, particularly later stage standing, all cisco unity malfunctions and the control of two battery management systems will be made after the described direct parallel connection of lithium battery bag 81, namely the problem whom battery management determined by is occurred in that, this present invention be have employed at DC output end the mode first increasing large-scale diode D in two station DC converting output terminals A 5, 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 realizes two described lithium battery bags 81 in the parallel connection of X1 place can export D.C. high-current, battery management and control can not be affected again.
After the energy storage station parallel connection of more than two, AC portion only require same phase, same frequency, both can be used in parallel with voltage, it would however also be possible to employ independent ac power supply method；After the energy storage station parallel connection of more than two, the power that direct-flow current consumer obtains doubles, it is possible to 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.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (9)
1. one kind can be in parallel box temperature control energy storage station, it is characterized in that: include 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 about four spreaders (10), four front and back spreader (11) and four surrounding mullions (12), the front portion of described framework is provided with the dodge gate (14) of handle (13), and all the other five faces of described framework are respectively arranged with portable plate (15)；
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) it is provided with in described energy-storage box casing；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) outfan (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) controls end (A22) with the air-conditioning out-put supply of described supervisory control device (3) and is connected, 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 outfan (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 unidirectional 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), two-way exchange power supply input/output terminal (A4) of described voltage changer (9) is connected with two-way exchange power supply input/output terminal (A3) of described power transformer (7), the DC converting outfan (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. according to claim 1 can be in parallel box temperature control energy storage station, it is characterised in that: described left and right spreader (10), front and back spreader (11) and surrounding mullion (12) are alloy material.
3. according to claim 1 can be in parallel box temperature control energy storage station, it is characterised in that: the lateral surface of described dodge gate (14) and described five pieces of portable plates (15) is all the thin plate that sprays paint, and is all filled with foamed materials inside it.
4. according to claim 3 can be in parallel box temperature control energy storage station, it is characterized in that: be positioned on the described portable plate (15) of described base of frame and be coated with one piece of epoxy resin board, and on described epoxy resin board, also it is lined with one layer of electro-insulating rubber skin, to ensure insulation and the intensity of the described portable plate (15) of bottom.
5. according to claim 1 can be in parallel box temperature control energy storage station, it is characterised in that: being 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. according to claim 1 can be in parallel box temperature control energy storage station, it is characterized in that: described supervisory control device (3) includes keyboard (31), central processor CPU (32), display (33), remote transceiver (34) and be arranged on the remote monitor (35) of Control Room, the outfan (B6) of described keyboard (31) is connected with the keyboard signal receiving terminal (B5) of described central processor CPU (32), the display signal output part (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 of described central processor CPU (32) controls end (A22) and 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 outfan (A13) connects, described remote transceiver (34) is connected with described remote monitor (35) by mobile phone wireless base station and the Internet.
7. according to claim 1 can be in parallel box temperature control energy storage station, it is characterized in that: described lithium electricity energy storage cabinet (8) includes 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 source, 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 outfan (B7) of described lithium battery bag (81) is connected with the battery temperature signal receiving terminal (B8) of described battery management system (82), monomer lithium electricity module voltage signal output part (B9) of described lithium battery bag (81) is connected with monomer lithium electricity module voltage signal receiving end (B10) of described battery management system (82), the current sensor signal outfan (B11) of described lithium battery bag (81) is connected with the battery current signal receiving end (B12) of described battery management system (82), the cooling signals outfan (B13) of described battery management system (82) and described air-conditioning D(83) cooling signals control end (B14) be connected, described battery management system (82) heat signal output part (B15) and described air-conditioning D(83) heat signal control end (B16) be connected, the voltage of described battery management system (82), electric current, the voltage of temperature signal outfan (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. according to claim 1 can be in parallel box temperature control energy storage station, it is characterized in that: described voltage changer (9) includes two way convertor (91) and DC/DC changer (92), the ac input end of described two way convertor (91) is connected with two-way exchange power supply input/output terminal (A3) of described power transformer (7) by two-way exchange power supply input/output terminal (A4) of described voltage changer (9), the direct-flow input end of described two way convertor (91) is connected by the bidirectional DC power supply input/output terminal (A10) of the bidirectional DC power supply input/output terminal (A9) of described voltage changer (9) with described lithium electricity energy storage cabinet (8), the signal input part of described two way convertor (91) is connected with the voltage transformation signal output part (A12) of described supervisory control device (3) by the voltage transformation signal input part (A11) of described voltage changer (9), 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 outfan (B17) of described two way convertor (91) is connected with the control signal input (B18) of described DC/DC changer (92), the DC supply input (B19) of described DC/DC changer (92) is connected with by the bidirectional DC power supply input/output terminal (A10) of the bidirectional DC power supply input/output terminal (A9) of described voltage changer (9) with described lithium electricity energy storage cabinet (8), the DC converting outfan (A5) of described DC/DC changer (92) is as outwards exporting galvanic interface.
9. according to claim 6 can be in parallel box temperature control energy storage station, it is characterized in that: box temperature control energy storage station that can be in parallel described in multiple uses the ability realizing high-power output in parallel, and is undertaken and machine computing and control by described remote monitor (35)；Each described can the positive pole of corresponding with the one respectively diode (D) of the DC converting outfan (A5) of described voltage changer (9) in box temperature control energy storage station in parallel connecting, the negative pole of each described diode (D) is connected with direct-flow current consumer respectively after parallel connection.
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| JP2011200101A (en) * | 2010-02-25 | 2011-10-06 | Sanyo Electric Co Ltd | Energy storage system |
| CN201629582U (en) * | 2010-03-11 | 2010-11-10 | 宁波拜特测控技术有限公司 | Energy storage power station |
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| CN203932725U (en) * | 2014-06-18 | 2014-11-05 | 重庆京藏电气设备租赁有限公司 | A kind of box temperature control energy storage station that can be in parallel |
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