CN205123291U - Wind energy power supply unit of modified charging station - Google Patents
Wind energy power supply unit of modified charging station Download PDFInfo
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- CN205123291U CN205123291U CN201520488059.XU CN201520488059U CN205123291U CN 205123291 U CN205123291 U CN 205123291U CN 201520488059 U CN201520488059 U CN 201520488059U CN 205123291 U CN205123291 U CN 205123291U
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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Abstract
The utility model discloses a wind energy power supply unit of modified charging station, wind turbine, generator, rectifier, direct current boost circuit, dc -to -ac converter connect gradually into the power supply main road to supply power to the alternating load, battery controller, battery, dc -to -ac converter connect gradually into the energy storage branch road, and this battery controller control rectifier discharges to the dc -to -ac converter to storage battery charging and control battery, braking brake equipment acts on the wind turbine power shaft, let out and the load can connect in the output of generator by the load control ware through letting out, central controller connects braking brake equipment respectively, it can load control ware and battery controller to let out to control braking brake equipment brakes, lets out and the load to let out ability and storage battery charging, this central controller inserts the collection signal of dc -to -ac converter, battery and wind energy sensor to adjust wind -powered electricity generation power supply unit's running state. The utility model discloses a charging station and branch system or part is improved, the wholeness ability of charging station can be improved.
Description
Technical field
The utility model relates to emergent charging technical field, particularly charging station and subsystem thereof or parts.
Background technology
The use of the electronic equipments such as smart mobile phone is more and more general, and distinct issues are that battery consumption is too fast, bring great inconvenience when the batteries have been exhausted to user.At present, some places are provided with emergent charging stake in public places, one of defect be at this charging pile by commercial power charged and carry out accumulation of energy, easily cause when electric power environmental is not good enough battery power not enough, cause charging pile to lose efficacy thus.In addition, if the electronic equipment charged is too much simultaneously, storage battery will be absorbed very large electric current, often causes storage battery pressure drop too fast, and the life of storage battery if things go on like this will be caused to shorten.In view of this, be necessary to improve, to improve the overall performance of charging station charging station and subsystem thereof or parts.
Utility model content
In view of this, the purpose of this utility model is to improve charging station and subsystem thereof or parts, to improve the overall performance of charging station.
For solving the problems of the technologies described above, the utility model provides a kind of powered by wind energy device of charging station of improvement, charging station comprises battery controller successively, storage battery, master switch, auxiliary charging circuit, rechargeable type auxiliary power supply circuit, synchro switch and charging pile, charging station configuration mains power supply, powered by wind energy device and sun electric supply installation, and city's electric installation of charging station, powered by wind energy device and sun electric supply installation share battery controller and storage battery, so that storage battery selects mains-supplied pattern by battery controller, powered by wind energy pattern or solar powered pattern carry out accumulation of energy, wherein: under mains-supplied pattern, the alternating current of civil power access terminal access is converted to after direct current through AC/DC changeover switch, by under the control of battery controller to charge in batteries, under powered by wind energy pattern, wind energy is output AC electricity after wind turbine, generator, then is converted to after direct current through rectifier, carries out accumulation of energy by battery controller to storage battery, under solar powered pattern, after solar energy is converted to direct current by solar cell, carry out accumulation of energy by battery controller to storage battery, the powered by wind energy device of the charging station improved comprises wind turbine, generator, rectifier, DC voltage booster circuit, inverter, battery controller, storage battery, system controller, lets out energy load controller, lets out energy load, brake device, wherein: wind turbine, generator, rectifier, DC voltage booster circuit, inverter are in turn connected into power supply main road, to power to AC load, battery controller, storage battery, inverter are in turn connected into accumulation of energy branch road, and this battery controller controls rectifier and discharges to inverter to charge in batteries and control storage battery, brake device acts on wind turbine line shaft, let out energy load is connected to generator output through letting out energy load controller, system controller connects brake device respectively, lets out energy load controller and battery controller, brakes to control brake device, lets out and load can let out energy and charge in batteries, the collection signal of the access of this system controller inverter, storage battery and wind energy transducer, to the running status carrying out regulating wind power electric supply installation according to load condition, energy accumulating state and wind velocity condition.
Compared with prior art, charging station of the present utility model can adopt civil power, wind energy and solar energy Three models to carry out accumulation of energy, not only contributes to energy-conservation, is also conducive to overcoming the next adverse influence of power supply environment difference band.In addition, due to charging station master switch be connected in series auxiliary charging circuit, rechargeable type auxiliary power supply circuit and synchro switch between charging pile, charging station can not absorb large electric current to storage battery when charging, and charging station is charged more steady, also contributes to the service time extending storage battery.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model charging station;
Fig. 2 is the functional block diagram of the charging station of the utility model shown in Fig. 1 after increasing auxiliary charging circuit, auxiliary power supply circuit and synchro switch;
Fig. 3 is the circuit diagram of the first embodiment of the utility model charging station;
Fig. 4 is that the utility model carries out the second embodiment circuit diagram after equivalent replacement to auxiliary charging circuit on Fig. 3 basis;
Fig. 5 is the 3rd embodiment circuit diagram after the utility model is equal to replacement to simultaneous switching circuit relay on Fig. 3 basis;
Fig. 6 is the 4th embodiment circuit diagram after the utility model increases under-voltage bypass resistance on Fig. 3 basis;
Fig. 7 be the utility model under-voltage bypass resistance on Fig. 6 basis increase anti-electric current pour in down a chimney diode after the 5th embodiment circuit diagram;
Fig. 8 is that the utility model carries out the 6th embodiment circuit diagram after sensitivity adjustment improvement to under-voltage bypass resistance on Fig. 6 basis;
Fig. 9 is that the utility model carries out the 7th embodiment circuit diagram after equivalent replacement to under-voltage bypass resistance on Fig. 6 basis;
Figure 10 is the 8th embodiment circuit diagram after the utility model increases sound light alarming circuit on Fig. 8 basis;
Figure 11 is the 9th embodiment circuit diagram after the utility model is equal to replacement to auxiliary charging circuit switch mode power charge management module on the basis of Fig. 7;
Figure 12 is the block diagram of the mains power supply of the utility model charging station;
Figure 13 is the block diagram of the battery controller of the utility model charging station;
Figure 14 is the circuit diagram of the AC/DC changeover switch of the utility model charging station;
Figure 15 is the schematic diagram of powered by wind energy device one embodiment of the utility model charging station;
Figure 16 is the schematic diagram of another embodiment of powered by wind energy device of the utility model charging station;
Figure 17 is the circuit diagram of the inverter of the utility model charging station;
Figure 18 is the square frame of the solar power supply apparatus of the utility model charging station;
Figure 19 is the schematic diagram of the solar cell of the utility model charging station.
Embodiment
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
See Fig. 1, it is the block diagram of the utility model charging station.This charging station comprises the battery controller 9, storage battery 1, master switch 2 and the charging pile 6 that connect successively, wherein: battery controller 9 accesses civil power, wind energy, solar energy three kinds of electric power, a pair storage battery 1 of mains-supplied pattern, powered by wind energy pattern, solar powered pattern can be selected to carry out accumulation of energy, this storage battery 1 is connected to charging pile 6 after master switch 2, the pile body of this charging pile 6 is arranged some charging ports to charge for subscriber terminal equipment.In addition, this charging pile 6 is arranged touch-screen for user operation, and charging pile 6 is connected to control centre with watch-dog operation conditions and user's behaviour in service.
See Fig. 2, it is the functional block diagram of the utility model charging station.Auxiliary charging circuit 3, rechargeable type auxiliary power supply circuit 4 and synchro switch 5 is sealed in successively, wherein: auxiliary charging circuit 3 is for realizing the charging of storage battery 1 pair of rechargeable type auxiliary power supply circuit 4 between master switch 2 and charging pile 6; The positive pole of rechargeable type auxiliary power supply circuit 4 connects the output of auxiliary charging circuit 3, and for realizing storage battery 1 when charging station charging transient terminal voltage declines, rechargeable type auxiliary power supply circuit 4 is added to charging pile 6, normal to ensure the operating voltage of charging pile 6; Synchro switch 5 is for realizing master switch 2 when turning on and off, and rechargeable type auxiliary power supply circuit 4 is synchronously to power supply and the power-off of charging pile 6.Thus, charging station can be allowed not absorb large electric current to storage battery when charging, under making the various electrical equipment participating in charging be in normal working voltage.
In Fig. 2, rechargeable type auxiliary power supply circuit 4 comprises battery type power supply circuits 4A and powered battery filter circuit 4B, wherein: battery type power supply circuits 4A can be low capacity lead acid accumulator or lithium polymer battery group, for realizing storage battery 1 when charging station charging pile 6 charging transient terminal voltage declines, battery type power supply circuits 4A is added to charging pile 6; Powered battery filter circuit 4B, for realizing the circuit filtering of battery type power supply circuits 4A, ensures that the input voltage of charging pile 5 is level and smooth.
For realizing same object, rechargeable type auxiliary power supply circuit 4 also can by the replacement of the charge circuit containing ultracapacitor (Supercapacitors).Ultracapacitor is again double electric layer capacitor (ElectricalDoule-LayerCapacitor), gold electric capacity, farad capacitor, and it carrys out energy storage by polarized electrolytic matter, and the common capacitor of Capacity Ratio is much bigger.Because capacity of super capacitor is very large, externally performance is identical with battery, therefore also referred to as " capacitor batteries ".Ultracapacitor can provide instantaneous power to export, and supplementing of the stand-by power supply of current Chang Zuowei charging station or other uninterrupted system, the utility model can specifically according to circumstances be selected when implementing.
Each several part circuit of the present utility model all has multiple way of realization, further illustrates below in conjunction with specific implementation circuit.
For simplicity, in following examples, each functional module numbering and components and parts code name have been undertaken encoding wherein by certain rule: first digit represents Reference numeral, second digit represents that embodiment is numbered, as: in auxiliary charging circuit 3-3, represent auxiliary charging circuit, second 3 auxiliary charging circuit be expressed as in the 3rd embodiment for first 3; Resistance R1-3, the position of 1 expression resistance, 3 are expressed as the resistance in the 3rd embodiment.It is noted that the second digit wherein only representing embodiment numbering hereafter may be omitted in some cases, and be only retained as the first digit of Reference numeral.
See Fig. 3, illustrated embodiment one is the circuit diagram that the utility model is comparatively practical, and diode D1-1 and resistance R1-1 is composed in series auxiliary charging circuit 3-1, and this circuit is everlasting in charger for mobile phone and is used; Rechargeable battery BT1-1 forms battery type power supply circuits and powered battery filter circuit 4-1, is connected to the output of auxiliary charging circuit 3-1; Resistance R7-1, NPN triode Q7-1, resistance R8-1, PNP triode Q8-1 form synchro switch 5-1, the input that the input that triode Q8-1 emitter connects the output of auxiliary charging circuit 3-1, collector electrode meets charging pile 6-1, base stage connecting resistance R8-1, triode Q7-1 grounded emitter, collector electrode are connected to the base stage of triode Q8-1 after resistance R8-1, base stage is connected to auxiliary charging circuit 3-1 after resistance R7-1.
When master switch 2-1 is in on-state, charging station normally works, and accumulator voltage changes between 13.2V to 14.7V; At this moment, storage battery is charged to rechargeable battery BT1-1 by diode D1-1, resistance R1-1, to guarantee that rechargeable battery BT1-1 has enough capacity to power to charging pile when next time charges charging station charging.
When master switch 2-1 is in on-state, synchro switch 5-1 works, and triode Q8-1 can saturation conduction.Detailed process is: after master switch 2-1 is closed, make triode Q7-1 conducting through resistance R7-1, have electric current to flow through in resistance R8-1, make triode Q8-1 saturation conduction, like this, the voltage of rechargeable battery BT1-1 is directly added on charging pile; Q8-1 selects PNP type triode, and emitter connects the positive pole of rechargeable battery BT1-1, being for allowing synchro switch 5-1 circuit obtain extremely low pressure drop, allowing the voltage of rechargeable battery BT1-1 be close to and nondestructively reaching charging pile 6-1; When master switch 2-1 is in off-state, the base stage of triode Q7-1 cannot obtain electric current, and Q7-1 ends, and Q8-1 ends simultaneously, and realize the output turning off rechargeable battery BT1-1 like this, BT1-1 no longer externally discharges, and realizes synchro switch function.
Press charge switch moment, charging station charging pile starts to absorb hundreds of peace operating current, original storage battery 1-1 voltage drop; At this moment, due to the existence of diode D1-1, rechargeable battery BT1-1 because the unilateal conduction characteristic of diode D1-1, and cannot discharge to original storage battery 1-1, can only power to charging pile 6-1; Because the discharge capability of rechargeable battery BT1-1 is strong, terminal voltage stablizes, and as being stabilized in 12.8V, although at this moment original storage battery 1-1 voltage drop, due to the existence of rechargeable battery BT1-1, the operating voltage of charging pile 6-1 is normal.
Owing to there is rechargeable battery BT1-1, charging station can charge successfully.Success is charged after charging station, and charging station normally works, and is charged to rechargeable battery BT1-1 by diode D1-1, resistance R1-1, uses when charging for next time.
In the present embodiment, rechargeable battery BT1-1 can be used as powered battery filter circuit (4B), itself be equivalent to the electrochemical capacitor of several farads, and its equivalent series resistance ESR is extremely low, is often low to moderate below 10m Ω, therefore filter effect is fabulous.
Rechargeable battery BT1-1, when choosing, guarantees under not charge condition, the charging station that can repeatedly charge more than tens of times.Preferably, rechargeable battery BT1-1 can be that low capacity lead acid accumulator, lithium polymer battery group etc. can the batteries of repeatedly cycle charging.
See Fig. 4, illustrated embodiment two only depicts auxiliary charging circuit 3-2, and other functional module is identical with embodiment one.For the replacement scheme of auxiliary charging circuit in embodiment one, as shown in Figure 4, metal-oxide-semiconductor Qt is the metal-oxide-semiconductor without parasitic diode (BodyDiode) in P raceway groove, low pressure, body, its grid is by resistance Rg ground connection, and the positive pole (anode) of corresponding diode, the equivalent of negative pole (negative electrode) substitute respectively to realize its source electrode (S pole), drain electrode (D pole) like this.
The operation principle of the present embodiment circuit is: metal-oxide-semiconductor Qt is voltage control device, and when such as Fig. 4 connection, the grid of field effect metal-oxide-semiconductor Qt is by resistance Rg ground connection, and source voltage is battery tension, is set to 12.8V; At this moment, its VGS=-12.8V, is greater than metal-oxide-semiconductor cut-in voltage, makes the complete conducting of metal-oxide-semiconductor Qt.At present, the conducting internal resistance of P channel MOS tube can be low to moderate below 10m Ω, can be competent at above-mentioned designing requirement completely.In the moment of charging charging station, the voltage of original storage battery declines in charging transient terminal voltage, and the VGS of the metal-oxide-semiconductor of field effect simultaneously Qt declines, metal-oxide-semiconductor exits conducting, enter off state, its D pole, S pole revert to open-circuit condition, and rechargeable battery BT1-2 therefore cannot to original battery discharging.Therefore, the field effect metal-oxide-semiconductor Q effect in the present embodiment is equal to a diode.
Conveniently, in above-described embodiment two, any one end of Rg can enter diode, its role is to the shutoff sensitivity that can adjust field effect metal-oxide-semiconductor Qt.
See Fig. 5, the synchro switch 5-3 in illustrated embodiment three is relay R LY open in usual, and other functional module is identical with embodiment one.See Fig. 5, after the coil windings of relay R LY connects original master switch, other end ground connection; Normally opened contact is connected between rechargeable battery BT1-3 and charging pile 6-3.When master switch 2-3 is in on-state, relay R LY coil obtains electric, and normally opened contact, under relay adhesive, becomes closure state, and the voltage of rechargeable battery BT1-3 is added on charging pile 6-3 by closed contact, and charging pile 6-3 obtains electric normal work.
See Fig. 6, illustrated embodiment four is on the basis of embodiment one, and increase by a under-voltage bypass resistance 7-4, this is under-voltage, and bypass resistance is connected between the input of master switch 2-4 output and charging pile 6-4.See Fig. 6; this is under-voltage, and bypass resistance 7-4 can realize: when rechargeable battery BT1-4 for a certain reason undertension or no-voltage time; under-voltage bypass resistance 7-4 can be close to the voltage of original storage battery and be added on charging pile 6-4 without loss, guarantees circuit, the charging station performance of recovering former car thus.
In the present embodiment, under-voltage bypass resistance 7-4 is made up of PNP triode Q1-4, resistance R3-4, NPN triode Q2-4, resistance R2-4, PNP triode Q3-4, resistance R4-4; Original storage battery 1-4 voltage is after master switch 2-4, and a road adds to auxiliary charging circuit 3-4, and another two-way adds to the emitter of triode Q1-4 and Q3-4; The collector electrode of triode Q1-4 is connected to charging pile 6-4 feeder ear, and the base stage of triode Q1-4 is connected to the collector electrode of Q2-4 through resistance R3-4; The grounded emitter of Q2-4, the base stage of Q2-4 is connected to the collector electrode of Q3-4 through resistance R2-4; The base stage of Q3-4 receives the positive pole of rechargeable battery BT1-4 through resistance R4-4.
The operation principle of this circuit is: when certain reason causes rechargeable battery BT1-4 undertension or no-voltage, the voltage drop of resistance R4-4 and rechargeable battery BT1-4 link, storage battery 1-4 voltage after master switch 2-4 through triode Q3-4 emitter, triode Q3-4 base stage, resistance R4-4 to rechargeable battery BT1-4 low current charge, because resistance R4-4 value is large, this electric current is very little.Now, triode Q3-4 meeting conducting, cause electric current to flow through resistance R2-4, the base stage of triode Q2-4, emitter have electric current to flow through, triode Q2-4 conducting; There is electric current to flow through in resistance R3-4, cause triode Q1-4 saturation conduction.Because triode Q1-4 saturation voltage drop is very low, between 0.07V to 0.15V, like this voltage of original storage battery 1-4 is added on charging pile 6-4 by the collector electrode of triode Q1-4.Now, the voltage that charging pile 6-4 obtains is 12.65V (voltage of original storage battery reduces to-0.15V, and the voltage of original storage battery is 12.8V), and the circuit groundwork in charging pile 6 is pressed at storage battery.
When rechargeable battery BT1-4 voltage is normal, in resistance R4-4, no current flows through, and triode Q3-4, Q2-4, Q1-4 are in cut-off state.Now, the power consumption of the under-voltage bypass resistance 7-4 in Fig. 6 is close to 0, leakage current or the lower electric current that can realize microampere order in resistance R4-4 flow through, and can not cause the abnormal electric discharge of original storage battery 1-4 and rechargeable battery BT1-4, meet thus the self discharge of diesel oil requirement little or be zero requirement.
See Fig. 7, illustrated embodiment five is the improvement project of embodiment four.As shown in Figure 7, diode D2-5 is increased in under-voltage bypass resistance 7-5, diode D2-5 positive pole connects the positive pole of rechargeable battery BT1-5, negative pole connects the input of synchro switch 5, when preventing under-voltage bypass resistance 7-5 from working, voltage pours in down a chimney back the rechargeable battery BT1-5 of undertension, and this utilizes known diode unilateal conduction characteristic to complete.Certainly, D2-5 also can replace the diode in Fig. 3 as shown in Figure 4 with the metal-oxide-semiconductor of P raceway groove and resistance.
See Fig. 8, illustrated embodiment 6 is the another kind of improvement project in embodiment four.See Fig. 8, in order to easy analysis, be described independent for the under-voltage bypass resistance 7-6 carrying out improving.In Fig. 8, under-voltage bypass resistance 7-6 comparatively Fig. 6 adds a resistance R5-6, and this resistance R5-6 one end is connected with the emitter of triode Q3-6, and the other end is connected with the base stage of triode Q3-6.
In the present embodiment, owing to having increased resistance R5-6 newly, the function of circuit is enhanced.In Fig. 6, during the low 0.7V of the voltage of the original storage battery of voltage ratio of rechargeable battery BT1-6, the under-voltage bypass resistance 7-6 in Fig. 6 just may work; And in fig. 8, because of the shunting action of resistance R5-6, voltage difference can be regulated by regulating the resistance of R5-6, thus can the working sensitivity of regulating circuit and reliability.
See Fig. 9, illustrated embodiment seven is the equivalents of embodiment four.At this, under-voltage bypass resistance 7-7 having carried out equivalent replacement is independently drawn, be described.See Fig. 9, under-voltage bypass resistance 7-7 is made up of triode Q1-7, Q2-7, Q3-7 and resistance R2-7, R3-7, R4-7 and R5-7, and wherein triode Q2-7 and Q3-7 is NPN type triode, and triode Q1-7 is PNP type triode.Concrete connection is: master switch output connects the emitter of Q1-7 and the other end of R2-7, R2-7 is connected to the base stage of triode Q2-7 and the collector electrode of Q3-7; The grounded emitter of triode Q3-7, Q2-7; The base stage of triode Q3-7 is connected to the series connection point of R4-7 and R5-7 serial connection, R5-7 other end ground connection, the positive pole of another termination rechargeable battery of R4-7 BT1; The collector electrode of triode Q2-7 connects the base stage of Q1-7 by resistance R3-7, the collector electrode of Q1-7 connects charging pile.
The circuit theory of this embodiment seven is: if the voltage of rechargeable battery BT1 is low, then by the undertension 0.7V that R4-7 and R5-7 is divided into, now the base stage of Q3-7 and emitter cannot conductings; Q3-7 ends, then the base stage that the voltage on storage battery 1 is added to Q2-7 through R2-7 with on emitter, the conducting because there being electric current of the base stage of Q2-7 and emitter, the collector voltage decline of Q2-7, has electric current to flow through, causes Q1-7 saturation conduction in R3-7; Q1-7 saturation voltage drop is very low, between 0.07V to 0.15V, like this voltage of original storage battery is added on charging pile by the collector electrode of Q1-7, the voltage that charging pile 6-7 obtains is: the voltage-0.15V of original storage battery, if the voltage of original storage battery is 12.8V, the voltage so charging pile obtained is 12.65V, and the circuit groundwork in charging pile presses at storage battery.
See Figure 10, illustrated embodiment eight is the further improvement on the basis of embodiment four, be specially and increase by a sound light alarming circuit 8-8 on the basis of under-voltage bypass resistance 7-8, can realize when low pressure appears in the voltage of rechargeable battery, sound and light alarm signal is exported when under-voltage bypass resistance 7-8 works, make operating personnel can obtain acousto-optic hint timely, so that reason condition is led in process in time.
See Figure 10, this circuit is that increase NPN type triode Q6-8 and resistance R6-8 and acousto-optic hint circuit obtain on the circuit of Fig. 8, wherein: resistance R6-8 is connected on the tie point of resistance R2-8 and triode Q3-8 collector electrode, the base stage of the other end connecting triode Q6-8 of resistance R6-8; The grounded emitter of triode Q6-8, the power cathode connecing acousto-optic hint circuit of triode Q6-8 collector electrode; The positive source of acousto-optic hint circuit connects the output of master switch.
Circuit working principle is: when the voltage of rechargeable battery BT1 is low, triode Q3-8 meeting conducting; At this moment, the base stage of triode Q6-8 obtains electric current by resistance R6-8, triode Q6-8 saturation conduction; Drive acousto-optic hint circuit to send the sound or lighting to lead normal indicator light or lead normal indicator light and to flash signal; Thus, operating personnel can obtain acousto-optic hint timely, to process abnormal conditions in time.
See Figure 11, illustrated embodiment nine uses diode D1 in switch mode power charge management module 3-9 alternate embodiment one and resistance R1, forms the linear auxiliary charging circuit of relative constant current thus; This circuit is more reliable, equally can realize utility model object.
See Figure 11, the operation principle of this circuit is with Fig. 7 circuit, and switch mode power charge management module is commonly used to mobile phone, is called for short on the battery charging management of " mobile phone ".The switch mode power charge management module that the utility model uses has following characteristic: (1) exports as constant current, to extend the life-span of Rechargeable battery BT1; (2), when reaching the end of charge voltage of Rechargeable battery BT1, charge circuit is turned off voluntarily; (3) when original battery tension is lower than certain value, renewable type is power cutoff charge management module voluntarily; When can be implemented in the work of charging charging station thus, alleviate the discharging current of original storage battery.
In above-described embodiment one to embodiment nine with rechargeable battery BT1 with being powered battery filter circuit, itself be equivalent to the electrochemical capacitor of several farads, and its equivalent series resistance ESR is extremely low, is low to moderate below 10m Ω, filter effect is fabulous; And after using switch mode power charge management module to substitute the auxiliary charging circuit of diode D1 and resistance R1 composition, filter effect will promote more than decades of times than special capacitive effect, can guarantee that circuit does not produce high-voltage charging failure because of the impact of Switching Power Supply thus.
The storage battery of the utility model embodiment has civil power energy accumulation mode, wind energy electric power storage pattern and solar energy power accumulating pattern, wherein: mains power supply, wind-powered electricity generation electric supply installation, solar power supply apparatus can share battery controller and storage battery; Wind-powered electricity generation electric supply installation and solar power supply apparatus also can share inverter.Certainly, mains power supply, wind-powered electricity generation electric supply installation, solar power supply apparatus also can set up corresponding unit respectively.Below respectively various charging modes is described.
See Figure 12, the block diagram of the utility model mains power supply is shown.This mains power supply comprises civil power access terminal 20, AC/DC changeover switch 11 successively, this AC/DC changeover switch 11 is connected to battery controller 1, civil power access terminal 20 accesses 220v or 380v alternating current, direct current is converted to through AC/DC changeover switch 11, charge to storage battery 1 under the control of battery controller 9, to ensure that storage battery 1 has enough electric energy.When air quantity or Yanguan Pass deficiency, civil power mode of operation starts, 220v or 380v mains electricity is converted to direct current through AC/DC changeover switch 11, charges, make storage battery 1 keep abundant electric energy under battery controller 9 controls to storage battery 1.Like this, the utility model achieves the power supply of Three models, is conducive to realizing energy-conservation object.
See Figure 13, the block diagram of the utility model battery controller is shown.This battery controller 9 can access civil power, wind energy and solar electric power at times, this battery controller 9 comprises charging circuit 91, discharge circuit 93, control circuit 92 and lightning protection circuit 94, charging circuit 91, discharge circuit 93 and storage battery 1 are in parallel, and lightning protection circuit 94 and storage battery 1 are connected.Owing to adding lightning protection circuit 94, the thunder-strike current flowing through storage battery 1 greatly reduces.
Lightning protection circuit 94 in the present embodiment is specially lightning protection inductance, and the thunder-strike current flowing through storage battery 1 after adding this lightning protection inductance greatly reduces; Meanwhile, the induction reactance of this lightning protection inductance much larger than accumulator internal resistance, thus at storage battery 1 two ends a point residual voltage also greatly reduce, also enhance the lightning protection capability of system like this.In addition, also can to connect respectively lightning protection inductance in charging circuit 91, discharge circuit 93, to improve lightning protection capability further.
See Figure 14, the circuit theory diagrams of the utility model AC/DC changeover switch are shown.This comprises AC/DC changeover switch and mainly comprises rectification circuit 111 and filter circuit 112, wherein: rectification circuit 111 carries out rectification process for giving input AC electricity, preferably adopt full-wave bridge rectifier circuit BR1, it is made up of four diodes, simplicity of design is practical, can meet the rectification demand of client well, filter circuit 112 is for carrying out filtering process to the alternating current V+ after rectification process, it comprises diode D3.11, diode D4.11, diode D8.11, diode D9.11, electric capacity C7.11 and electric capacity C9.11, the anode of diode D3.11 is connected with the output of rectification circuit, the negative electrode of diode D3.11 is connected with the negative electrode of diode D9.11, one end of electric capacity C7.11 is connected with the negative electrode of diode D3.11, the other end of electric capacity C7.11 is connected with the anode of diode D8.11 and the negative electrode of diode D4.11 respectively, the negative electrode of diode D8.11 is connected with the anode of diode D9.11, one end of electric capacity C9.11 is connected with the anode of diode D4.11, the other end of electric capacity C9.11 is connected with the anode of diode D9.11, the negative electrode of diode D9.11 is also connected with DC output end.
As shown in figure 14, operation principle and the work process of this AC/DC changeover switch are: during conversion, energy storage is carried out in electric capacity C7.11 and electric capacity C9.11 series connection, electric capacity C7.11 and electric capacity C9.11 is made to be the conversion that small capacitances can complete the original AC-DC using bulky capacitor to realize, what reduce AC/DC changeover switch realizes cost, reduces the power factor of whole circuit simultaneously.When the voltage of the alternating current after rectification process be greater than electric capacity C7.11 and electric capacity C9.11 voltage and time, alternating current after rectification process charges to arriving electric capacity C7.11 and electric capacity C9.11 through diode D3.11, electric capacity C7.11, diode D8.11 and electric capacity C9.11 successively, and diode D4.11 and diode D9.11 ends.Here electric capacity C7.11 and electric capacity C9.11 uses the electric capacity of equal capacitance value, and these two electric capacity can be charged to (Vbuck/2)=(Vac peak value/2).The voltage of the alternating current after at this moment rectification process be less than or equal to electric capacity C7.11 and electric capacity C9.11 voltage and, namely V+ changes to and is less than or equal to (Vac peak value/2), diode D3.11 ends, V+ no longer powers to DC output end, at this moment diode D8.11 ends, diode D4.11 and diode D9.11 conducting.Discharged to DC output end by electric capacity C7.11, diode D4.11 and electric capacity C9.11, diode D9.11, namely by electric capacity C7.11 and electric capacity C9.11, load circuit is powered.At this moment the change in voltage of DC output end (i.e. Vbuck) would not have crest and trough with V+ sample, but the crest of smooth change, play the effect of waveform copped wave thus.Be less than or equal to when V+ changes to (Vac peak value/2) simultaneously, V+ does not power to DC output end, namely when change in voltage is trough, input current is also decreased to 0, so voltage and current change consistency is better than the general consistency with the circuit of electrochemical capacitor greatly, so the power supply input power factor of the present embodiment AC/DC changeover switch also can improve.
In fig. 14, AC/DC changeover switch also comprises filter capacitor C10.11, and one end of filter capacitor C10.11 is connected with DC output end, the other end ground connection of filter capacitor C10.11.Voltage DC output end being exported by the filtering of electrolytic capacitor filter C10 is more level and smooth, better meets the demand of user's direct current supply.In addition, this AC/DC changeover switch also comprises the light-emitting diode D1.11 of the operating state being used to indicate AC/DC changeover switch, the minus earth of light-emitting diode D1.11, and the anode of light-emitting diode D1.11 is connected with DC output end Vbuck by resistance R5.11.Further; this AC/DC changeover switch also comprises the voltage stabilizing didoe D2.11 for the protection of light-emitting diode D1.11; the plus earth of voltage stabilizing didoe D2.11, the negative electrode of voltage stabilizing didoe D2.11 is connected with the anode of DC output end and light-emitting diode D1.11 respectively by resistance R4.11.When the AC/DC changeover switch of the present embodiment is powered to DC output end, at this moment light-emitting diode D1.11 can be lit to indicate this AC/DC changeover switch in running order.Voltage stabilizing didoe D2.11 then can ensure that the operating voltage at light-emitting diode D1.11 two ends can not be excessive and damaged by light-emitting diode D1.11.
See Figure 15, the block diagram of the utility model powered by wind energy device is shown.This powered by wind energy device comprises wind turbine 14, generator 13, rectifier 12, inverter 10, battery controller 9 and storage battery 1, and wind turbine 14, generator 13, rectifier 12 and inverter 10 are in turn connected into power supply main road, to power to AC load; Rectifier 12, battery controller 9, storage battery 1, inverter 10 are in turn connected into accumulation of energy branch road, and this battery controller 9 controls rectifier 12 and charges to storage battery 1 and control storage battery 1 and discharge to inverter 10.
Under powered by wind energy pattern, the wind energy of catching is driven generator 13 with the form of mechanical energy by wind turbine 14, the alternating current that the voltage exported and frequency all change transfers direct current to through rectifier 12, the alternating current transferring constant voltage constant frequency when air quantity is sufficient through inverter 10 to is to for AC load, and excrescent electric power is charged to storage battery 1 under battery controller 9 control; The electric energy of storage battery 1 is supplied to DC load, also can be discharged to inverter 10 when deficiency in draught.
See Figure 16, the block diagram of the modified model powered by wind energy device of another embodiment of the utility model is shown.This powered by wind energy device by wind turbine 14, generator 13, rectifier 12, DC voltage booster circuit 19, inverter 10, battery controller 9, storage battery 1, system controller 15, let out can load controller 17, let out can load 18, brake device 16 etc. form, wherein: wind turbine 14, generator 13, rectifier 12, DC voltage booster circuit 19, inverter 10 are in turn connected into power supply main road, to power to AC load; Battery controller 9, storage battery 1, inverter 10 are in turn connected into accumulation of energy branch road, and this battery controller 9 controls rectifier 12 and charges to storage battery 1 and control storage battery 1 and discharge to inverter 10; Brake device 16 acts on wind turbine 14 line shaft; Let out energy load 18 is connected to generator 13 output through letting out energy load controller 17; System controller 15 connects brake device 16 respectively, letting out can load controller 17 and battery controller 9, so as to control brake device 16 brake, let out can load 18 let out can and storage battery 1 charge; This system controller 15 accesses the collection signal of inverter 10, storage battery 1 and wind energy transducer, to the running status carrying out regulating wind power electric supply installation according to load condition, energy accumulating state and wind velocity condition.
The incision wind speed of wind turbine running is reached for wind speed, and when not exceeding cut-out wind speed, in stable work wind speed, system controller carrys out the state transfer energy of control switch T1 ~ T5 according to wind velocity condition, load current threshold, the threshold value of putting storage battery, mainly comprises following several situation (as shown in figure 16):
(1) wind turbine → generator → rectifier → DC voltage booster circuit → inverter → AC load.
(2) circuit 1: wind turbine → generator → rectifier → DC voltage booster circuit → inverter → AC load; Circuit 2: wind turbine → generator → rectifier → storage battery (charging); Circuit 3: wind turbine → generator → let out energy load; Circuit 4: wind turbine → brake device.
(3) circuit 5: wind turbine → generator → rectifier → DC voltage booster circuit → inverter → AC load; Circuit 6: storage battery (electric discharge) → DC voltage booster circuit → inverter → AC load.
(4) storage battery (electric discharge) → DC voltage booster circuit → inverter → AC load.
If calm and wind speed is excessive, exceed the maximum wind velocity that wind-driven generator bears, will mechanical braking device be started at that time, wind turbine is pinned, to protect wind generator system.
Figure 15, Figure 16 adopt inverter 10 to change direct current into alternating current, to be supplied to AC load practicality, the concrete structure of inverter 10 is as described below.
See Figure 17, the circuit theory diagrams of the utility model inverter are shown.This inverter comprises power tube driving chip, and this power tube driving chip is connected to microcontroller circuit (MCU/DSP), so that the pulse width modulating signal exported according to microcontroller circuit, drives corresponding power tube alternate conduction and shutoff.Concrete, described inverter comprises six power tube B1 ~ B6, and these six power tubes are divided into three groups, and every group power controls a phase and exports.
The concrete connected mode of each power tube is: the source electrode of power tube B1, B2, B3 connects one end of DC power supply jointly, the drain electrode of power tube B4, B5, B6 connects the other end of DC power supply jointly, the tie point of the drain electrode of power tube B1 and the source electrode of power tube B4 connects the U phase terminal of AC load (as motor), the tie point of the drain electrode of power tube B2 and the source electrode of power tube B5 connects the V phase terminal of AC load, and the drain electrode of power tube B3 and the source electrode tie point of power tube B6 connect the W phase terminal of frequency converting air-conditioner compressor AC load; The grid of power tube B1, B2, B3, B4, B5, B6 connects an output of power tube driving chip respectively, and each input of this power tube driving chip controls by output pulse width conditioning signal PWM1, PWM2, PWM3, PWM4, PWM5, PWM6 Zhong mono-tunnel of microcontroller circuit respectively.Corresponding access diode between the source electrode of these six power tube B1 ~ B6 and drain electrode.
Microprocessor produces corresponding 6 road pulse width modulating signals, i.e. six drive singal PWM1 ~ PWM6 according to the operation rule of setting; 6 power tube (MOSFET or IGBT) B1 ~ B6 of inverter are driven by power tube driving chip; The alternate conduction of these power tubes and shutoff, produce three-phase modulations waveform, output voltage is adjustable, the three-phase alternating current of changeable frequency, and U, V, W terminals of three-phase electricity winding are connected to respective quadrature current load and run to drive it.
See Figure 18, it is the block diagram of the utility model solar power supply apparatus.This solar power supply apparatus comprises solar cell 21, battery controller 9, storage battery 1, inverter 10, solar cell 21 is preferably thin-film solar cells, battery controller 9 has charging circuit 91, discharge circuit 92 and control circuit 93, charging circuit 91 is connected between solar cell 21 and storage battery 1, discharge circuit 92 is connected between storage battery 1 and inverter 10, control circuit 93 connects charging circuit 91, discharge circuit 93 and storage battery 1 respectively, and inverter 10 is connected to AC load.
In figure 18, solar cell 21 is the core of solar power supply apparatus, and its effect is that the radianting capacity of the sun is converted to electric energy, or is sent in storage battery and stores, or pushing motor work.The effect of battery controller 9 is the operating states controlling whole system, and storage battery is played to the effect of additives for overcharge protection, over.The effect of storage battery 1 is the electrical power storage sent by solar cell when there being illumination, and it's time to needs to discharge again.
See Figure 19, the structural representation of the utility model solar cell is shown.Solar cell 21 is thin film solar electricity battery, it comprises the first electro-conductive glass substrate 211, deposit absorbent layer 212, resilient coating 213, conductive silver glue 214 and the second electro-conductive glass substrate 215, wherein: the first electro-conductive glass substrate 211, deposit absorbent layer 212, resilient coating 213, conductive silver glue 214 and the second electro-conductive glass substrate 215 from top to bottom set gradually; Extraction electrode (scheming not shown) in first electro-conductive glass substrate 211 and the second electro-conductive glass substrate 215, be generally that the first electro-conductive glass substrate 211 draws positive electrode above, the second electro-conductive glass substrate 215 draws negative electrode above.
In Figure 19, the specification of above-mentioned each layer can be: the length of the first electro-conductive glass substrate 211, second electro-conductive glass substrate 215 is 40mm, and width is 15mm, and thickness is 3mm; Deposit absorbent layer 212 is made for semiconductor nano material, and length is 30mm, and width is 15mm, and thickness is 2 × 10
-3mm; Resilient coating 213 is In
2s
3material is made, and length is 25mm, and width is 15mm, and thickness is 4 × 10
-3mm; The length of conductive silver glue 214 is 20mm, and width is 15mm, and thickness is 2 × 10
-3mm.Setting like this, material consumption is few, manufactures energy consumption low, and has excellent effect at the aspect of performance such as voltage improving battery.
Be described in detail the framework of charging station and each several part above, this system configuration is compact, functional, invests lower, and market prospects are had an optimistic view of.
Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not departing from spirit and scope of the present utility model; can make possible variation and amendment, the scope that therefore protection range of the present utility model should define with the utility model claim is as the criterion.
Claims (5)
1. the powered by wind energy device of the charging station improved, charging station comprises battery controller successively, storage battery, master switch, auxiliary charging circuit, rechargeable type auxiliary power supply circuit, synchro switch and charging pile, charging station configuration mains power supply, powered by wind energy device and sun electric supply installation, and city's electric installation of charging station, powered by wind energy device and sun electric supply installation share battery controller and storage battery, so that storage battery selects mains-supplied pattern by battery controller, powered by wind energy pattern or solar powered pattern carry out accumulation of energy, wherein: under mains-supplied pattern, the alternating current of civil power access terminal access is converted to after direct current through AC/DC changeover switch, by under the control of battery controller to charge in batteries, under powered by wind energy pattern, wind energy is output AC electricity after wind turbine, generator, then is converted to after direct current through rectifier, carries out accumulation of energy by battery controller to storage battery, under solar powered pattern, after solar energy is converted to direct current by solar cell, carry out accumulation of energy by battery controller to storage battery, it is characterized in that, the powered by wind energy device of the charging station improved comprises wind turbine, generator, rectifier, DC voltage booster circuit, inverter, battery controller, storage battery, system controller, lets out energy load controller, lets out energy load, brake device, wherein: wind turbine, generator, rectifier, DC voltage booster circuit, inverter are in turn connected into power supply main road, to power to AC load, battery controller, storage battery, inverter are in turn connected into accumulation of energy branch road, and this battery controller controls rectifier and discharges to inverter to charge in batteries and control storage battery, brake device acts on wind turbine line shaft, let out energy load is connected to generator output through letting out energy load controller, system controller connects brake device respectively, lets out energy load controller and battery controller, brakes to control brake device, lets out and load can let out energy and charge in batteries, the collection signal of the access of this system controller inverter, storage battery and wind energy transducer, to the running status carrying out regulating wind power electric supply installation according to load condition, energy accumulating state and wind velocity condition.
2. the powered by wind energy device of the charging station improved as claimed in claim 1, is characterized in that, charging pile is arranged touch-screen for user operation, and charging pile is connected to control centre so that watch-dog operation conditions and user's behaviour in service.
3. the powered by wind energy device of the charging station improved as claimed in claim 2, is characterized in that, rechargeable type auxiliary power supply circuit is the charge circuit containing ultracapacitor.
4. the powered by wind energy device of the charging station improved as claimed in claim 3, it is characterized in that, the mains power supply of charging station comprises civil power access terminal, AC/DC changeover switch, this AC/DC changeover switch is connected to battery controller, the alternating current of civil power access terminal access is converted to direct current through AC/DC changeover switch, to charge in batteries under the control of battery controller.
5. the powered by wind energy device of the charging station improved as claimed in claim 4, it is characterized in that, the solar power supply apparatus of charging station comprises solar cell, battery controller, storage battery, inverter, the charging circuit of battery controller is connected between solar cell and storage battery, the discharge circuit of battery controller is connected between storage battery and inverter, the control circuit of battery controller connects the charging circuit of battery controller, the discharge circuit of battery controller and storage battery respectively, and inverter is connected to AC load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520488059.XU CN205123291U (en) | 2015-07-02 | 2015-07-02 | Wind energy power supply unit of modified charging station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520488059.XU CN205123291U (en) | 2015-07-02 | 2015-07-02 | Wind energy power supply unit of modified charging station |
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| CN205123291U true CN205123291U (en) | 2016-03-30 |
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| CN201520488059.XU Expired - Fee Related CN205123291U (en) | 2015-07-02 | 2015-07-02 | Wind energy power supply unit of modified charging station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612108A (en) * | 2017-09-27 | 2018-01-19 | 保定市同和电力科技有限公司 | A kind of control device of HVDC transmission system |
-
2015
- 2015-07-02 CN CN201520488059.XU patent/CN205123291U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612108A (en) * | 2017-09-27 | 2018-01-19 | 保定市同和电力科技有限公司 | A kind of control device of HVDC transmission system |
| CN107612108B (en) * | 2017-09-27 | 2021-07-09 | 保定锐迅电气科技有限公司 | Control device of high-voltage direct-current transmission system |
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Granted publication date: 20160330 Termination date: 20170702 |