CN105186630A - Electric energy transfer method and electric energy bus - Google Patents
Electric energy transfer method and electric energy bus Download PDFInfo
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- CN105186630A CN105186630A CN201510667585.7A CN201510667585A CN105186630A CN 105186630 A CN105186630 A CN 105186630A CN 201510667585 A CN201510667585 A CN 201510667585A CN 105186630 A CN105186630 A CN 105186630A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses an electric energy transfer method and an electric energy bus. A plurality of power supply devices and power receiving devices are respectively connected with the electric energy bus through a unified control switch, thereby achieving the controllable conversion of electric energy between the power supply devices and the power receiving devices.
Description
Technical field
The present invention relates to electric energy transfer technical field.
Background technology
Overcharge and have a strong impact on the cycle life of battery, even initiation fire accident, due to the existence of the inconsistency of battery, conventional serial charging technique, when to batteries charging, can cause percentage of batteries to be in overcharged state.
Over-discharge can has a strong impact on the cycle life of battery, due to the existence of the inconsistency of battery, series battery is when discharge off, the depth of discharge of each cell is inconsistent, wherein percentage of batteries can be in over-discharge state, also have the available dump energy of part not use in addition in percentage of batteries, thus cause percentage of batteries premature failure in battery pack, change the battery then causing part to be in addition still in upstate for whole group and together scrap and cause waste.
With the system that the electric energy of battery pack is power, be equipped with the cruising time that various generating equipment is used for increasing battery pack more and more, as solar power plant, Brake energy recovery equipment, damping capacity reclaimer etc., and when using these generating equipments to batteries charging, the voltage levvl that all first the output voltage of generating equipment will be converted to battery pack charges to battery pack again, can cause electric loss of energy in conversion.
With the system that the electric energy of battery pack is power, its control section and fractional load adopt low-voltage power supply, extra dc-dc is needed the high voltage of battery pack to be converted to the low-voltage of control system needs, dc-dc can cause extra energy loss, and gain in weight, volume and cost; As electric bicycle in the system of part low cost, in order to reduce costs, eliminate dc-dc, the output voltage of direct employing power battery pack is that the auxiliary electric equipment such as loudspeaker, car light is powered, wherein the voltage of power battery pack is generally 36V, 48V, 60V even 72V, considerably beyond human safety voltage, and these auxiliary electric equipments have scattered handlebar and the vehicle body surrounding of being distributed in, and add the electric shock risk of bicyclist.
The patent No. is that the Chinese patent of ZL201520115163.4 discloses a kind of electricity transfer bus system, the patent proposes the concept of electricity transfer bus, but the battery wherein realizing electricity transfer is all the intelligent battery from tape control unit, the volume of battery, weight, cost are all had higher requirements, is restricted in applying.
Summary of the invention
A kind of electric energy transfer method disclosed by the invention and a kind of electric energy bus, be connected multiple power supply unit and power receiving equipment with electric energy bus respectively by the unified switch controlled, realize carrying out controlled electric energy transfer between power supply unit and power receiving equipment.
A kind of electric energy transfer method disclosed by the invention, carry out controlled electric energy transfer for power supply unit to power receiving equipment, it is characterized in that, the power supply unit of more than 1 is connected with electric energy bus respectively by switch, the power receiving equipment of more than 1 is connected with electric energy bus respectively by switch, wherein:
Described electric energy comprises: direct current energy and AC energy;
Described electric energy bus is the wire of 2 ~ 5 mutually insulateds; During by electric energy bus transfer direct current energy, electric energy bus uses 2 wires, is respectively galvanic positive pole and negative pole; During by electric energy bus transfer single phase alternating current (A.C.) electric energy, electric energy bus uses 2 or 3 wires, and 2 lines are respectively live wire L and zero line N, and 3 lines are respectively live wire L, zero line N and ground wire GND; During by electric energy bus transfer threephase AC electric energy, electric energy bus uses 4 or 5 wires, and 4 lines are respectively A, B, C and N, and 5 lines are respectively A, B, C, N and GND;
Described switch comprises physical switch and electronic switch, quantity is more than 2, the break-make of each switch is subject to the control of higher level's control system, for the connection on electrically of power supply unit and electric energy bus or disconnection, and the connection on electrically of power receiving equipment and electric energy bus or disconnection, switch comprises physical switch and the electronic switches such as relay, contactor, transistor;
The quantity of described power supply unit is more than 1, comprises generating equipment, externally can export the electric energy storage device of electric energy and externally can export the electric energy transferring equipment of electric energy; Wherein generating equipment comprises the generating equipments such as chemical energy, mechanical energy, heat energy, luminous energy and wind energy, electric energy storage device comprises battery and electric capacity, electric energy transferring equipment comprises AC-AC a-c transducer or various power of alterating and direct current and the conversion equipment such as power supply, AC-DC direct current transducer or power supply, DC-AC inverter, dc-dc, and charger can be considered the electric energy transferring equipment of above-mentioned a kind of power supply class; The power supply unit of more than 2 can access electric energy bus after serial or parallel connection;
The quantity of described power receiving equipment is more than 1, comprises electrical load, can accept the electric energy storage device of extraneous electric energy and can accept the electric energy transferring equipment of extraneous electric energy; Wherein electrical load comprises the electronic equipment of various dependence electric energy operation as lamp, loudspeaker, controller etc., electric energy storage device comprises battery and electric capacity, electric energy transferring equipment comprises AC-AC a-c transducer or various power of alterating and direct current and the conversion equipment such as power supply, AC-DC direct current transducer or power supply, DC-AC inverter, dc-dc, and charger can be considered the electric energy transferring equipment of above-mentioned a kind of power supply class; The power receiving equipment of more than 2 can access electric energy bus after serial or parallel connection;
When electric energy transfer, the voltage of power supply unit can lower than, be equal to or higher than the voltage of power receiving equipment;
Between electric energy storage device during transfer electrical energy, export the electric energy storage device of electric energy dump energy can lower than, be equal to or higher than the dump energy of the electric energy storage device accepting electric energy.
A kind of electric energy bus disclosed by the invention, comprise electric energy bus and some switches, controlled electric energy transfer is carried out to power receiving equipment for power supply unit, it is characterized in that, the power supply unit of more than 1 is connected with electric energy bus respectively by switch, the power receiving equipment of more than 1 is connected with electric energy bus respectively by switch, wherein:
Described electric energy comprises: direct current energy and AC energy;
Described electric energy bus is the wire of 2 ~ 5 mutually insulateds; During by electric energy bus transfer direct current energy, electric energy bus uses 2 wires, is respectively galvanic positive pole and negative pole; During by electric energy bus transfer single phase alternating current (A.C.) electric energy, electric energy bus uses 2 or 3 wires, and 2 lines are respectively live wire L and zero line N, and 3 lines are respectively live wire L, zero line N and ground wire GND; During by electric energy bus transfer threephase AC electric energy, electric energy bus uses 4 or 5 wires, and 4 lines are respectively A, B, C and N, and 5 lines are respectively A, B, C, N and GND;
Described switch comprises physical switch and electronic switch, quantity is more than 2, the break-make of each switch is subject to the control of higher level's control system, for the connection on electrically of power supply unit and electric energy bus or disconnection, and the connection on electrically of power receiving equipment and electric energy bus or disconnection, switch comprises physical switch and the electronic switches such as relay, contactor, transistor;
The quantity of described power supply unit is more than 1, comprises generating equipment, externally can export the electric energy storage device of electric energy and externally can export the electric energy transferring equipment of electric energy; Wherein generating equipment comprises the generating equipments such as chemical energy, mechanical energy, heat energy, luminous energy and wind energy, electric energy storage device comprises battery and electric capacity, electric energy transferring equipment comprises AC-AC a-c transducer or various power of alterating and direct current and the conversion equipment such as power supply, AC-DC direct current transducer or power supply, DC-AC inverter, dc-dc, and charger can be considered the electric energy transferring equipment of above-mentioned a kind of power supply class; The power supply unit of more than 2 can access electric energy bus after serial or parallel connection;
The quantity of described power receiving equipment is more than 1, comprises electrical load, can accept the electric energy storage device of extraneous electric energy and can accept the electric energy transferring equipment of extraneous electric energy; Wherein electrical load comprises the electronic equipment of various dependence electric energy operation as lamp, loudspeaker, controller etc., electric energy storage device comprises battery and electric capacity, electric energy transferring equipment comprises AC-AC a-c transducer or various power of alterating and direct current and the conversion equipment such as power supply, AC-DC direct current transducer or power supply, DC-AC inverter, dc-dc, and charger can be considered the electric energy transferring equipment of above-mentioned a kind of power supply class; The power receiving equipment of more than 2 can access electric energy bus after serial or parallel connection;
When electric energy transfer, the voltage of power supply unit can lower than, be equal to or higher than the voltage of power receiving equipment;
Between electric energy storage device during transfer electrical energy, export the electric energy storage device of electric energy dump energy can lower than, be equal to or higher than the dump energy of the electric energy storage device accepting electric energy.
The general principle of electric energy bus is as shown in Figure 1: power supply unit 1 is connected with electric energy bus 101 by switch 102, power supply unit 2 is connected with electric energy bus 101 by switch 103, power receiving equipment 1 is connected with electric energy bus 101 by switch 104, power receiving equipment 2 is connected with electric energy bus 101 by switch 105, power receiving equipment 3 is connected with electric energy bus 101 by switch 106, and the break-make of switch 102 ~ 106 is subject to the control of higher level's control system; Switch 102 and 105 is in on-state, rest switch is in off-state, power supply unit 1 and power receiving equipment 2 access electric energy bus 101, and now electric energy transfer path is: power supply unit 1 provides electric energy by switch 102, electric energy bus 101, switch 105 to power receiving equipment 2.
The electric energy bus of more than 2 groups can use in cascade, and the middle electric energy transferring equipment by more than 1 connects, the schematic block diagram of 2 groups of electric energy buses cascade as shown in Figure 2, electric energy bus 201 and 202 is cascade connection, generating equipment 1 is connected with first group of electric energy bus 201 by switch 203, generating equipment 2 is connected with first group of electric energy bus 201 by switch 204, the input of electric energy transferring equipment 1 is connected with first group of electric energy bus 201 by switch 205, the input of electric energy transferring equipment 2 is connected with first group of electric energy bus 201 by switch 206, electrical load 1 is connected with first group of electric energy bus 201 by switch 207, the output of electric energy transferring equipment 1 is connected with second group of electric energy bus 202 by switch 208, the output of electric energy transferring equipment 2 is connected with second group of electric energy bus 202 by switch 209, electric energy storage device 1 is connected with second group of electric energy bus 202 by switch 210, electric energy storage device 2 is connected with second group of electric energy bus 202 by switch 211, electrical load 2 is connected with second group of electric energy bus 202 by switch 212, the break-make of switch 203 ~ 212 is subject to the control of higher level's control system, switch 203,205,208,211 is in on-state, and other switches are in off-state, generating equipment 1 and electric energy transferring equipment 1 access electric energy bus 201, electric energy transferring equipment 1 and electric energy storage device 2 access electric energy bus 202, and now electric energy transfer path is: generating equipment 1 is powered to electric energy storage device 2 by switch 203, electric energy bus 201, switch 205, electric energy transferring equipment 1, switch 208, electric energy bus 202, switch 211.
The electric energy bus of more than 2 groups can in parallelly use, to improve the efficiency of electric energy transfer, the schematic block diagram of 2 groups of electric energy bus parallel connections as shown in Figure 3, electric energy bus 301 and 302 is parallel relationship, power supply unit 1 is connected with electric energy bus 301 and 302 with 304 respectively by switch 303, power supply unit 2 is connected with electric energy bus 301 by switch 305, power supply unit 3 is connected with electric energy bus 302 by switch 306, power receiving equipment 1 is connected with electric energy bus 301 and 302 with 308 respectively by switch 307, power receiving equipment 2 is connected with electric energy bus 301 and 302 with 310 respectively by switch 309, power receiving equipment 3 is connected with electric energy bus 301 by switch 311, power receiving equipment 4 is connected with electric energy bus 302 by switch 312, the break-make of switch 303 ~ 312 is subject to the control of higher level's control system, switch 303,306,307,311 and 312 is in on-state, and other switches are in off-state, power supply unit 1, power receiving equipment 1 and power receiving equipment 3 access electric energy bus 301, power supply unit 3 and power receiving equipment 4 access electric energy bus 302, now electric energy transfer path is: power supply unit 1 is powered for power receiving equipment 1 and power receiving equipment 3 by switch 303, electric energy bus 301, switch 307 and switch 311, and power supply unit 3 is powered for power receiving equipment 312 by switch 306, electric energy bus 302 and switch 312.
Further, 3 groups of electric energy buses (often organizing electric energy bus is 2 wires) transmission threephase AC electric energy in parallel can be used, wherein 2 wires of first group of electric energy bus are A and N, and 2 wires of second group of electric energy bus are B and N, and 2 wires of the 3rd group of electric energy bus are C and N.
Further, the electrical specification (as ac/dc electricity, voltage, electric current, frequency, power etc.) that synchronization accesses the power supply unit of same group of electric energy bus and power receiving equipment matches.
Further, the voltage of wire gauge and the electric energy that shifts of electric energy bus, electric current match.
Further, described electric energy storage device to comprise in certain cell in battery pack, battery pack or battery pack the cell of more than 1 series connection continuously; Electric energy storage device to comprise in certain monomer electric capacity in capacitance group, capacitance group or capacitance group the monomer electric capacity of more than 1 series connection continuously.
Further, when electric energy storage device is in charging, standby or discharge condition, all electric energy transfer can be participated in.
Further, the electric energy transfer of being undertaken by electric energy bus between generating equipment, electric energy storage device, electrical load, electric energy transferring equipment, being comprised:
Generating equipment is powered directly to electrical load, as embodiment 3;
Generating equipment is charged to electrical load by electric energy transferring equipment, as embodiment 4;
Generating equipment is charged directly to electric energy storage device, as embodiment 3;
Generating equipment is charged to electric energy storage device by electric energy transferring equipment, as embodiment 4;
Electric energy storage device is powered directly to electrical load, as embodiment 4;
Electric energy storage device is powered to electrical load by electric energy transferring equipment, as embodiment 4;
Potential-free relation or there is same potential relation electric energy storage device between electric energy transfer: electric energy storage device is powered directly to electric energy storage device and is namely charged, or electric energy storage device to be powered to electric energy storage device by electric energy transferring equipment and namely charged, as embodiment 2;
Electric energy transfer between the electric energy storage device with different electromotive force relation: electric energy storage device to be powered to electric energy storage device by electric energy transferring equipment and namely charged, as embodiment 1.
Beneficial effect of the present invention:
Avoid the individual monomers battery in battery pack to overcharge and over-discharge can, extend battery life, avoid disaster hidden-trouble;
Make the cycle life of all cells in battery pack close, avoid waste;
Multiple generating equipment shares an electric energy converting equipment, thus reduces weight, volume and cost;
Reduce the output voltage of generating equipment, reduce the loss in electric energy conversion, increase the cruising time of battery pack;
Generating equipment can be powered directly to electrical load, eliminates first to batteries charging, then the process powered to the load by battery pack, decreases the conversion times of electric energy, improves energy conversion rate, extends the cruising time that battery life increases battery pack simultaneously;
The supply power voltage of auxiliary equipment can be reduced, avoid electric shock risk.
Accompanying drawing explanation
Fig. 1 is the general principle schematic block diagram of electric energy bus;
Fig. 2 is the schematic block diagram of 2 groups of electric energy buses cascade;
Fig. 3 is the schematic block diagram of 2 groups of electric energy bus parallel connections;
Fig. 4 is the schematic diagram of embodiment 1;
Fig. 5 is the schematic diagram of embodiment 2;
Fig. 6 is the schematic diagram of embodiment 3;
Fig. 7 is the schematic diagram of embodiment 4.
Embodiment
Below by specific embodiment, the present invention is further elaborated; following examples are descriptive; not determinate; protection scope of the present invention can not be limited with this, namely those skilled in the art can principle according to claim of the present invention by suitable conversion with substitute the range of application realizing more function or expand this patent.
Embodiment 1, between the electric energy storage device with electromotive force relation electric energy transfer---in same series battery, certain cell is to another cell transfer electrical energy, as shown in Figure 4:
The battery pack of electric motor car, 1# ~ 5# serial battery is organized into groups, it is the battery mixed marshalling of different capabilities, wherein 1# battery not only participates in the power supply output of whole battery pack, also additionally outwardly provide electric energy by 403 and 404, wherein 1# ~ 5# battery, DC-DC charger are connected with electric energy bus 401 and 402 respectively by switch, and all switches all independently control by higher level's control system;
When there is electric energy transfer: control switch 405 ~ 410 is connected, all the other all switches disconnect, 1# battery accesses electric energy bus 402 by switch 405 and 406, the input of DC-DC charger accesses electric energy bus 402 by switch 407, the output of DC-DC charger accesses electric energy bus 401 by switch 408,3# battery accesses electric energy bus 401 by switch 409 and 410, thus realizes 1# battery and carry out electric energy transfer by DC-DC charger to 3# battery and namely charge;
In the present embodiment, 1# battery is as power supply unit (providing the electric energy storage device of electric energy), DC-DC charger is as electric energy transferring equipment, 3# battery is as power receiving equipment (accepting the electric energy storage device of electric energy), electric energy transfer is participated in by electric energy bus 401 and 402, wherein electric energy bus 401 and 402 is cascade connection, in transfer process, in electric energy bus 401 and 402, the electric energy of transfer is all direct current energy, in transfer process no matter 1# battery voltage lower than, be equal to or higher than the voltage of 3# battery, or the dump energy of 1# battery lower than, be equal to or higher than the dump energy of 3# battery, all electric energy transfer can be carried out.
Embodiment 2, the electric energy transfer between the electric energy storage device of potential-free relation---2 series connection cells, 2 series connection cell transfer electrical energy in another battery pack, as shown in Figure 5:
The battery pack of electric motor car, is divided into 2 groups of independently battery pack, and wherein the marshalling of 1# ~ 5# serial battery is used for powering to dynamical system, and the marshalling of 6# and 7# serial battery is used for powering to air-conditioning; 1# ~ 7# battery is connected with electric energy bus 501 and 502 respectively by switch, and all switches all independently control by higher level's control system;
When there is electric energy transfer: control switch 503 ~ 508 is connected, all the other all switches disconnect, electric energy bus 502 is accessed by switch 503 and 504 after 6# and 7# serial battery, DC-DC charger input accesses electric energy bus 502 by switch 505, output accesses electric energy bus 501 by switch 506, access electric energy bus 501 by switch 507 and 508 after 3# and 4# serial battery, thus realize 6# and 7# battery and carry out electric energy transfer by DC-DC charger to 3# and 4# battery and namely charge;
In the present embodiment, after 6# and 7# serial battery as after power supply unit (electric energy storage device of electric energy is provided), 3# and 4# serial battery as power receiving equipment (accepting the electric energy storage device of electric energy), DC-DC charger as electric energy transferring equipment, electric energy transfer is participated in by electric energy bus 501 and 502, wherein electric energy bus 501 and 502 is cascade connection, and what shift in electric energy bus 501 and 502 in transfer process is all direct current energy.
Embodiment 3, generating equipment is to electric energy storage device transfer electrical energy, and generating equipment is powered to electrical load, as shown in Figure 6:
The battery pack of electric motor car, be divided into 2 groups of independently battery pack, wherein 1# ~ 5# serial battery marshalling, 6# and 7# serial battery is organized into groups, 1# ~ 7# battery, DC-DC charger, DC load 1 are connected with electric energy bus 601 and 602 respectively by switch with 2 and solar cell, and all switches all independently control by higher level's control system;
When there is electric energy transfer, control switch 603 ~ 607 is connected, all the other all switches disconnect, 4# battery accesses electric energy bus 601 by switch 605 and 606, the output of solar cell accesses electric energy bus 601 by switch 603, another output of solar cell accesses electric energy bus 602 by switch 604, thus realizes solar cell and namely charge to 4# battery transfer electrical energy, and namely solar cell powers to electrical load 2 transfer electrical energy simultaneously;
In the present embodiment, solar cell as power supply unit (generating equipment), 4# battery as power receiving equipment (accepting the electric energy storage device of electric energy), electrical load 1 as power receiving equipment (electrical load), electric energy transfer is participated in by electric energy bus 601 and 602, wherein electric energy bus 601 and 602 is parallel relationship, in electric energy transfer process, in electric energy bus 601 and 602, transfer is all direct current energy.
Embodiment 4, AC power generating apparatus is by electric energy transferring equipment to electric energy storage device transfer electrical energy, and AC power generating apparatus is directly to AC load transfer electrical energy, and electric energy storage device passes through electric energy transferring equipment to DC electrical load transfer electrical energy, as shown in Figure 7;
The battery pack of electric motor car, be divided into 2 groups of independently battery pack, wherein 1# ~ 5# serial battery marshalling, 6# and 7# serial battery is organized into groups, 1# ~ 7# battery, AC-DC converter, generator, AC load 2, dc-dc and DC load 4 are connected with electric energy bus 701 ~ 705 respectively by switch, and all switches all independently control by higher level's control system;
When there is electric energy transfer, control switch 706 ~ 717 is connected, all the other all switches disconnect, generator accesses electric energy bus 703 by switch 706, AC-DC converter accesses electric energy bus 701 and 703 respectively by switch 707 and 708, 1# battery accesses electric energy bus 701 by switch 709 and 710, AC load 2 accesses electric energy bus 704 by switch 711 and accesses electric energy bus 703 by switch 712, 5# battery accesses electric energy bus 702 by switch 713 and 714, dc-dc accesses electric energy bus 702 and 705 respectively by switch 715 and 716, DC load 4 accesses electric energy bus 705 by switch 717, the electric energy transfer occurred is as follows:
Namely generator is charged to 1# battery transfer electrical energy by AC-DC converter;
Namely generator powers directly to AC load 2 transfer electrical energy;
Namely 5# battery is powered to DC load 4 transfer electrical energy by dc-dc;
In the present embodiment, generator participates in electric energy transfer as power receiving equipment (accepting the electric energy storage device of electric energy), AC load and DC load 4 as power receiving equipment (electrical load) as electric energy transferring equipment, 1# battery as power supply unit (providing the electric energy storage device of electric energy), AC-DC converter and dc-dc as power supply unit (generating equipment), 5# battery, wherein electric energy bus 703 and 701 is cascade connection, electric energy bus 702 and 705 is cascade connection, and electric energy bus 703 and 704 is connected to become one group of electric energy bus by switch 711; In electric energy transfer process, in electric energy bus 701,702 and 705, transfer is direct current energy, and in electric energy bus 703 and 704, transfer is single phase alternating current (A.C.) electric energy.
Claims (2)
1. a kind of electric energy transfer method disclosed by the invention, carry out controlled electric energy transfer for power supply unit to power receiving equipment, it is characterized in that, the power supply unit of more than 1 is connected with electric energy bus respectively by switch, the power receiving equipment of more than 1 is connected with electric energy bus respectively by switch, wherein:
Described electric energy comprises: direct current energy and AC energy;
Described electric energy bus is the wire of 2 ~ 5 mutually insulateds;
Described switch comprises physical switch and electronic switch, quantity is more than 2, the break-make of each switch by the control of higher level's control system, for the connection on electrically of power supply unit and electric energy bus or disconnection, and the connection on electric of power receiving equipment and electric energy bus or disconnection;
The quantity of described power supply unit is more than 1, comprises generating equipment, externally can export the electric energy storage device of electric energy and externally can export the electric energy transferring equipment of electric energy; The power supply unit of more than 2 can access electric energy bus after serial or parallel connection;
The quantity of described power receiving equipment is more than 1, comprises electrical load, can accept the electric energy storage device of extraneous electric energy and can accept the electric energy transferring equipment of extraneous electric energy; The power receiving equipment of more than 2 can access electric energy bus after serial or parallel connection;
When electric energy transfer, the voltage of power supply unit can lower than, be equal to or higher than the voltage of power receiving equipment;
Between electric energy storage device during transfer electrical energy, export the electric energy storage device of electric energy dump energy can lower than, be equal to or higher than the dump energy of the electric energy storage device accepting electric energy.
2. a kind of electric energy bus disclosed by the invention, comprise electric energy bus and some switches, controlled electric energy transfer is carried out to power receiving equipment for power supply unit, it is characterized in that, the power supply unit of more than 1 is connected with electric energy bus respectively by switch, the power receiving equipment of more than 1 is connected with electric energy bus respectively by switch, wherein:
Described electric energy comprises: direct current energy and AC energy;
Described electric energy bus is the wire of 2 ~ 5 mutually insulateds;
Described switch comprises physical switch and electronic switch, quantity is more than 2, the break-make of each switch by the control of higher level's control system, for the connection on electrically of power supply unit and electric energy bus or disconnection, and the connection on electric of power receiving equipment and electric energy bus or disconnection;
The quantity of described power supply unit is more than 1, comprises generating equipment, externally can export the electric energy storage device of electric energy and externally can export the electric energy transferring equipment of electric energy; The power supply unit of more than 2 can access electric energy bus after serial or parallel connection;
The quantity of described power receiving equipment is more than 1, comprises electrical load, can accept the electric energy storage device of extraneous electric energy and can accept the electric energy transferring equipment of extraneous electric energy; The power receiving equipment of more than 2 can access electric energy bus after serial or parallel connection;
When electric energy transfer, the voltage of power supply unit can lower than, be equal to or higher than the voltage of power receiving equipment;
Between electric energy storage device during transfer electrical energy, export the electric energy storage device of electric energy dump energy can lower than, be equal to or higher than the dump energy of the electric energy storage device accepting electric energy.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510667585.7A CN105186630B (en) | 2015-10-16 | 2015-10-16 | A kind of electric energy transfer method and a kind of electric energy bus |
| JP2017545542A JP2018509872A (en) | 2015-02-24 | 2016-02-24 | Smart battery, electric energy distribution bus system, battery charge / discharge method, and electric energy distribution method |
| EP16754767.8A EP3264560B1 (en) | 2015-02-24 | 2016-02-24 | Smart battery, electric energy allocation bus system and battery charging and discharging method |
| CN201680011826.5A CN107408822A (en) | 2015-02-24 | 2016-02-24 | Intelligent battery, electric energy distribution bus, battery charging and discharging method and electric energy distribution method |
| PCT/CN2016/074491 WO2016134658A1 (en) | 2015-02-24 | 2016-02-24 | Smart battery, electric energy allocation bus system, battery charging and discharging method, and electric energy allocation method |
| US15/684,942 US10431996B2 (en) | 2015-02-24 | 2017-08-24 | Smart Battery, electric energy allocation bus system, battery charging and discharging method and electric energy allocation method |
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| CN201510667585.7A CN105186630B (en) | 2015-10-16 | 2015-10-16 | A kind of electric energy transfer method and a kind of electric energy bus |
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| CN105186630A true CN105186630A (en) | 2015-12-23 |
| CN105186630B CN105186630B (en) | 2018-06-29 |
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Cited By (3)
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| CN105515152A (en) * | 2016-03-02 | 2016-04-20 | 刘光辰 | Electrical equipment matched with battery pack |
| WO2016134658A1 (en) * | 2015-02-24 | 2016-09-01 | 刘光辰 | Smart battery, electric energy allocation bus system, battery charging and discharging method, and electric energy allocation method |
| CN109888766A (en) * | 2019-04-10 | 2019-06-14 | 珠海格力电器股份有限公司 | Bus electricity taking equipment, electricity utilization control method, device and system thereof, and electrical equipment |
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| CN102290841A (en) * | 2011-08-13 | 2011-12-21 | 罗俊亚 | Peak clipping and valley filling electric vehicle swapping station for distribution network |
| CN103208826A (en) * | 2012-01-17 | 2013-07-17 | 湖北追日电气股份有限公司 | Container movable type photovoltaic energy storage charging station |
| CN104617633A (en) * | 2015-02-24 | 2015-05-13 | 刘光辰 | Intelligent battery, electricity transfer bus system and balanced charging and discharging method |
| CN104682375A (en) * | 2015-03-24 | 2015-06-03 | 华为技术有限公司 | Power supply equipment and power supply method for data center |
| CN205385295U (en) * | 2015-10-16 | 2016-07-13 | 刘光辰 | Electric energy bus |
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| WO2016134658A1 (en) * | 2015-02-24 | 2016-09-01 | 刘光辰 | Smart battery, electric energy allocation bus system, battery charging and discharging method, and electric energy allocation method |
| CN105515152A (en) * | 2016-03-02 | 2016-04-20 | 刘光辰 | Electrical equipment matched with battery pack |
| CN109888766A (en) * | 2019-04-10 | 2019-06-14 | 珠海格力电器股份有限公司 | Bus electricity taking equipment, electricity utilization control method, device and system thereof, and electrical equipment |
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