CN101593985B - Self-powered charging device and charging method - Google Patents
Self-powered charging device and charging method Download PDFInfo
- Publication number
- CN101593985B CN101593985B CN2008101086540A CN200810108654A CN101593985B CN 101593985 B CN101593985 B CN 101593985B CN 2008101086540 A CN2008101086540 A CN 2008101086540A CN 200810108654 A CN200810108654 A CN 200810108654A CN 101593985 B CN101593985 B CN 101593985B
- Authority
- CN
- China
- Prior art keywords
- electric energy
- energy storage
- storage device
- controller
- wind
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention provides a self-powered charging device comprising a controller (1), an electric energy conversion device (2) and an electric energy storage device (3), wherein the controller (1) is used for controlling the electric energy conversion device (2) to perform voltage reduction and transition to electric energy input from an electric network according to the electric energy storage condition of the electric energy storage device (3). The charging device also comprises a wind energy generating device (4) which is used for converting wind energy into direct current electricity and outputting the direct current electricity into the electric energy storage device (3) for storage; the controller (1) is also used for controlling the electric energy conversion device (2) to boost the direct current output from the wind energy generating device (4) and convert the direct current into the direct current to be input into the electric network. The charging device can lower the requirement of vehicle charging stations to the energy of the electric network and also improve the utilization ratio of energy sources. In addition, the invention also provides a self-powered charging method.
Description
Technical field
The present invention relates to a kind of charging device, particularly relate to a kind of charging device that utilizes the self power generation of wind power generation.
Background technology
Under the dual-pressure of energy shortage and environmental pollution, along with the rapid progress of scientific and technological level, each state all substitutes the approach of traditional internal combustion car in research and development.Hydrogen powered vehicle, hybrid vehicle and pure electric automobile are more promising ideal products.These vehicles rely on on-vehicle battery as power source, yet battery is as a kind of energy storage device, and its energy reserve is limited, therefore need charge to it, and the charging device of self power generation arises at the historic moment.
The employed charging device in existing Vehicular charging station generally comprises controller, device for converting electric energy, electric energy storage device and second jockey.Wherein device for converting electric energy carries out the ac high-voltage electric energy in the electrical network to be sent to the electric energy storage device after step-down and the AC-DC conversion, the electric energy storage device charges to vehicle to be charged by second jockey, controller carries out Comprehensive Control to this process, and when electric energy storage device electric energy is sufficient, send the full instruction of electric energy to device for converting electric energy, thereby stop charging to the electric energy storage device, in addition, controller also is used to control the break-make of second jockey, so that when having vehicle to be charged, control the second jockey conducting, when not having vehicle to be charged, control second jockey and disconnect, thereby saved electric energy.Though this charging device has been avoided the consumption of fuel oil and the pollution of environment, increased the burden of mains supply, this has hindered popularizing of hybrid power and pure electric automobile to a certain extent.Therefore, how various countries are hybrid vehicle (oil electric mixed dynamic) and the new energy arbitrary way of pure electric automobile searching in research all now.
Summary of the invention
Cause problems such as burden for the mains supply system for the charging device that overcomes existing self power generation because of only using grid power to charge, the present invention proposes a kind of charging device that can utilize wind energy to give the self power generation of Vehicular charging.
The invention provides a kind of charging device of self power generation, the charging device of this self power generation comprises controller, device for converting electric energy, electric energy storage device, controller is electrically connected with device for converting electric energy and electric energy storage device respectively, and device for converting electric energy also is electrically connected with the electric energy storage device; Device for converting electric energy is used for the alternating current of importing from electrical network is carried out step-down and is converted to direct current; The electric energy storage device is used to store through device for converting electric energy step-down and the direct current that is converted to; Controller is used to obtain the power storage situation of electric energy storage device, and according to the power storage situation of electric energy storage device, the control device for converting electric energy carries out step-down and conversion to the alternating current of importing from electrical network; Wherein, described charging device also comprises wind electricity generating system, this wind electricity generating system is electrically connected with controller, device for converting electric energy and electric energy storage device respectively, is used for wind energy is converted to direct current, this direct current is outputed to store or flow to device for converting electric energy in the electric energy storage device; Described device for converting electric energy also is used for the dc inverter of wind energy conversion being become alternating current, the input electrical network; Described controller also is used to control device for converting electric energy the direct current of wind energy conversion is carried out inversion.
The present invention also provides a kind of charging method of self power generation, and wherein, described method comprises: wind energy is converted to electric energy, and the electric energy after will changing is converted to direct current; Judge whether power storage is sufficient: when power storage is sufficient, described dc inverter is become alternating current, and the back input electrical network that boosts; When power storage is inadequate, store with the storage of described direct current and/or with the alternating current step-down of electrical network and after being converted to direct current.
The charging device of self power generation provided by the invention and the charging method of self power generation, not only can will charge to vehicle being used in the electrical network power storage electric energy storage device, also wind energy can be converted to simultaneously power storage in the electric energy storage device to be used for to Vehicular charging.In addition, also the electric energy that is converted to by wind energy can be fed back in the electrical network, both reduce the demand of Vehicular charging station thus, improve efficiency of energy utilization simultaneously the electrical network energy.
Description of drawings
Fig. 1 is the structure chart of the charging device of self power generation provided by the invention;
Fig. 2 is the structure chart according to the charging device of the self power generation of one embodiment of the present invention;
Fig. 3 is the flow chart of the charging method of self power generation provided by the invention.
Embodiment
As shown in Figure 1, the invention provides a kind of charging device of self power generation, the charging device of this self power generation comprises controller 1, device for converting electric energy 2, electric energy storage device 3, controller 1 is electrically connected with device for converting electric energy 2 and electric energy storage device 3 respectively, and device for converting electric energy 2 also is electrically connected with electric energy storage device 3; Device for converting electric energy 2 is used for the alternating current of importing from electrical network is carried out step-down and is converted to direct current; Electric energy storage device 3 is used to store through device for converting electric energy 2 step-downs and the direct current that is converted to; Controller 1 is used to obtain the power storage situation of electric energy storage device 3, and according to the power storage situation of electric energy storage device 3,2 pairs of alternating currents of importing from electrical network of control device for converting electric energy carry out step-down and conversion; Wherein, described charging device also comprises wind electricity generating system 4, this wind electricity generating system 4 is electrically connected with controller 1, device for converting electric energy 2 and electric energy storage device 3 respectively, be used for wind energy is converted to direct current, this direct current outputed to store or flow to device for converting electric energy 2 in the electric energy storage device 3; Described device for converting electric energy 2 also is used for the dc inverter of wind energy conversion being become alternating current, the input electrical network; The direct current that described controller 1 also is used to control 2 pairs of wind energies conversions of device for converting electric energy carries out inversion.
According to one embodiment of the present invention, as shown in Figure 2, described charging device also comprises current sensing means 9, this current sensing means 9 is connected in the path between controller 1 and the wind electricity generating system 4, be used for the output current value of wind electricity generating system 4 is detected, and the current value that detection obtains sent to controller 1, controller 1 also is used to the magnitude of voltage of the electric energy storage device 3 that gets access to, whether the power storage of judging electric energy storage device 3 according to the magnitude of voltage that gets access to is sufficient, when power storage is sufficient, controller 1 control device for converting electric energy 2 is an alternating current with the dc inverter of wind electricity generating system 4 outputs, and boost the input electrical network by transformer 6; When power storage is inadequate, controller 1 judges according to the output current value of current sensing means 9 detected wind electricity generating systems 4 whether wind power generation satisfies the energy storage demand, when wind power generation satisfies the energy storage demand, controller 1 control device for converting electric energy 2 is not worked, thereby makes direct current input electric energy storage device 3 storages of wind electricity generating system 4 outputs; When wind power generation does not satisfy the energy storage demand, control device for converting electric energy 2 is operated in alternating current is converted to galvanic state, make 2 pairs of electric energy of from electrical network, importing of device for converting electric energy carry out step-down, and be converted to direct current, 3 storages of input electric energy storage device make direct current input electric energy storage device 3 storages of wind electricity generating system 4 outputs simultaneously.
In addition, according to one embodiment of the present invention, when power storage is inadequate, controller 1 also is used for whether satisfying according to wind power generation the situation of energy storage demand and electric energy storage device 3 power storage, whether control device for converting electric energy 2 carries out step-down to the electric energy from the electrical network input, and convert direct current to, import electric energy storage device 3.
As shown in Figure 2, according to one embodiment of the present invention, the charging device of described self power generation also comprises second jockey 5, this second jockey 5 is electrically connected with electric energy storage device 3 and controller 1 respectively, and controller 1 also is used for detecting whether have vehicle to be charged, when controller 1 detects when having vehicle to be charged, controller 1 sends turn-on command so that 5 conductings of second jockey, thereby transmits electric power vehicle to be charged.When controller 1 does not detect when having vehicle to be charged, this second jockey 5 of controller 1 control disconnects, thus the energy consumption of effectively reducing.Described second jockey 5 second jockey of controlled break-make arbitrarily of can sampling is preferably and adopts relay to realize.Whether in addition, can exist vehicle to be charged to detect by 1 pair of controller, this will be described in detail in following content.
Described device for converting electric energy 2 can be can realize arbitrarily boosting and the device of step-down and AC-DC conversion.According to one embodiment of the present invention, described device for converting electric energy 2 comprises the transformer 6 and first electric pressure converter 7 of mutual series connection, first electric pressure converter 7 is electrically connected with electric energy storage device 3 and wind electricity generating system 4, first electric pressure converter 7 is used to convert electrical energy into direct current and outputs to electric energy storage device 3, or be alternating current with the electric energy inversion and output to transformer 6 that transformer 6 is used for electric energy is carried out step-down to output to first electric pressure converter 7 or electric energy is boosted to output to electrical network.
Described electric energy storage device 3 is used to store rechargeable electrical energy.This electric energy storage device 3 can be the device that can store electric energy arbitrarily.According to one embodiment of the present invention, this electric energy storage device 3 comprises a plurality of battery pack parallel with one another, and each battery pack comprises the storage battery of a plurality of mutual series connection.Can realize jumbo electric energy storage thus.When needs were given Vehicular charging, this electric energy storage device 3 can be powered to vehicle by the second coupled jockey 5, thereby realized the charging to vehicle.In addition, when the electric energy of deposit in the electric energy storage device 3 has reached certain predetermined value and still had this moment electric energy by when described wind electricity generating system 4 or device for converting electric energy 2 are sent into, electric energy storage device 3 also can be under the control of controller 1, by device for converting electric energy 2 unnecessary feeding electric energy is gone into electrical network, thereby effectively utilized the energy.
Described controller 1 can be the controller that has instruction transmitting-receiving, data comparison and I/O measuring ability arbitrarily, for example can realize by single-chip microcomputer or integrated circuit.According to one embodiment of the present invention, described controller 1 comprises first comparator 10, second comparator 11, first comparator 10 is electrically connected with the current sensing means 9 and first electric pressure converter 7 respectively, second comparator 11 is electrically connected with the electric energy storage device 3 and first electric pressure converter 7 respectively, first comparator 10 is used for the output current value of detected wind electricity generating system 4 is compared with first threshold, when the output current value of this detected wind electricity generating system 4 during less than first threshold, first electric pressure converter 7 is given in the not enough instruction of first comparator, 10 output wind energies; Second comparator 11 is used for the magnitude of voltage of detected electric energy storage device 3 and second threshold, when the magnitude of voltage of this detected electric energy storage device 3 during more than or equal to second threshold value, first electric pressure converter 7 is given in the full instruction of second comparator, 11 output electric energy.
Described first threshold can be for representing the arbitrary value of wind energy electricity shortage, described second threshold value can be for representing the enough arbitrary values of energy storage in the electric energy storage device 3, a preferred embodiment of the invention, whether sufficient in order effectively to detect wind power generation, the scope of described first threshold is greater than zero and smaller or equal to 10% of the rated current of electric energy storage device 3, whether sufficient in order effectively to detect electric energy storage, the scope of described second threshold value be more than or equal to the rated voltage of electric energy storage device 3 80% and smaller or equal to the rated voltage of electric energy storage device 3.
Described controller 1 also comprises I/O detecting unit 8, this I/O detecting unit 8 is electrically connected with second jockey 5, be used for detecting and whether have vehicle to need charging, when this I/O detecting unit 8 detects when remaining the existing of charging vehicle, this I/O detecting unit 8 makes this second jockey, 5 conductings to second jockey, 5 output turn-on commands, thereby to vehicle power supply to be charged.The structure of I/O detecting unit and operation principle are conventionally known to one of skill in the art, do not repeat them here.
According to one embodiment of the present invention, as long as having detected electric energy, controller 1 expired signal, it is the energy storage abundance of electric energy storage device 3, then to be operated in dc inverter be the operating state of alternating current to controller 1 control first electric pressure converter 7, thereby electrical network is gone in the unnecessary electric energy feedback in the charging device.If detecting electric energy, controller 1 do not expired signal, and this moment, controller 1 detected the wind energy shortage signal, then controller 1 control first electric pressure converter 7 is operated in alternating current is converted to galvanic operating state, thereby utilizes the electrical network electric energy to come electric energy storage device 3 is charged to remedy the electricity shortage of wind power generation.
In addition, according to one embodiment of the present invention, as shown in Figure 2, controller 1 also comprises electrical network feedback command reception unit 22, be used to receive electrical network feedback instruction, and the dc inverter of wind electricity generating system 4 output is become alternating current, and boost the input electrical network according to electrical network feedback commands for controlling device for converting electric energy 2.That is to say, when electrical network feedback command reception unit 22 receives from the electrical network feedback of outside instruction, mean this moment needs described charging device feedback electric energy to electrical network with additional electrical network energy, at this moment, no matter which kind of state described charging device is operated under, controller 1 is all controlled 21 disconnections of first jockey and is controlled first electric pressure converter 7 and is operated in the operating state that dc inverter is an alternating current, thereby disconnected being connected of wind electricity generating system 4 and electric energy storage device 3, made direct current feedback after the boosting of the inversion of first electric pressure converter 7 and transformer 6 of wind electricity generating system 4 outputs go into electrical network.
Described wind electricity generating system 4 is the device of the wind power generation realized of arbitrary structures, according to one embodiment of the present invention, described wind electricity generating system 4 comprises the fan blade 12 of mutual series connection, the generator 13 and second electric pressure converter 14, the output of second electric pressure converter 14 is electrically connected with the electric energy storage device 3 and first electric pressure converter 7, fan blade 12 is used to drive generator 13 and generates electricity, second electric pressure converter 14 is used for the electric energy of generator 13 output is converted to direct current, and this direct current is input to the electric energy storage device 3 or first electric pressure converter 7 under the control of controller 1.Promptly when the inversion operation of first electric pressure converter 7 work carrying out DC-AC, with power delivery to the first electric pressure converter 7, and when first electric pressure converter 7 does not carry out the inversion operation of DC-AC, with power delivery to electric energy storage device 3.In addition, described fan blade 12 also can be adjusted direction according to the change of wind direction, thereby makes this fan blade 12 face the direction of wind always, reaches the effect of effectively utilizing wind energy, and this technology is conventionally known to one of skill in the art, does not repeat them here.
In addition, the present invention also provides a kind of charging method of self power generation, and wherein, described method comprises: wind energy is converted to electric energy, and the electric energy after will changing is converted to direct current; Judge whether power storage is sufficient: when power storage is sufficient, described dc inverter is become alternating current, and the back input electrical network that boosts; When power storage is inadequate, store with the storage of described direct current and/or with the alternating current step-down of electrical network and after being converted to direct current.
According to one embodiment of the present invention, described charging method also comprises: when power storage is inadequate, judge whether wind power generation satisfies the energy storage demand, when wind power generation satisfies the energy storage demand, with described direct current storage; When wind power generation does not satisfy the energy storage demand,, simultaneously the electric energy of importing is carried out step-down from electrical network, and store after being converted to direct current described direct current storage.
According to another embodiment of the invention, described charging method also comprises: the feedback of reception electrical network is instructed and when receiving electrical network feedback instruction, dc inverter is become alternating current, and boost, and is input to electrical network.
Wherein, wind electricity generating system 4 is converted to electric energy with wind energy, and the electric energy after will changing is converted to direct current; Controller 1 judges according to the magnitude of voltage of electric energy storage device 3 whether power storage is sufficient: when power storage was sufficient, the electric energy inversion of 2 pairs of wind electricity generating systems of device for converting electric energy, 4 outputs was an alternating current, and boosts, the input electrical network; When power storage was inadequate, controller 1 judged according to the output current value of wind electricity generating system 4 whether wind power generation satisfies the energy storage demand, when wind power generation satisfies the energy storage demand, with electric energy input electric energy storage device 3 storages of wind electricity generating system 4 outputs; When wind power generation does not satisfy the energy storage demand, with electric energy input electric energy storage device 3 storages of wind electricity generating system 4 outputs, and make 2 pairs of electric energy of from electrical network, importing of device for converting electric energy carry out step-down, and be converted to direct current, 3 storages of input electric energy storage device.
When the output current value of wind electricity generating system 4 during less than first threshold, determine that then wind power generation does not satisfy the energy storage demand, the scope of described first threshold is greater than zero and smaller or equal to 10% of the rated current of electric energy storage device 3.When the magnitude of voltage of electric energy storage device 3 during greater than second threshold value, then determine the power storage abundance, the scope of described second threshold value be more than or equal to the rated voltage of electric energy storage device 3 80% and smaller or equal to the rated voltage of electric energy storage device 3.
Below in conjunction with Fig. 3 the control procedure of the charging device of self power generation provided by the invention is described.
When having wind energy in the external environment, the fan blade 12 in the wind electricity generating system 4 rotates thereupon, thereby drives described generator 13 generatings, and this electric energy stores in the electric energy storage device 3 after being converted to direct current by second electric pressure converter 14.Controller 1 detects the electric energy that whether has received from second comparator 11 has expired signal, when controller 1 is confirmed not receive electric energy and has been expired signal, show that promptly the electric energy in the electric energy storage device 3 this moment is inadequate, this moment, whether controller 1 detection received the wind energy shortage signal from first comparator 10, when receiving this wind energy shortage signal, show the electricity shortage of wind electricity generating system 4, and power storage is discontented in the time of therefore, so first electric pressure converter 7 in the controller 1 control device for converting electric energy 2 operates in the operating state of AC-DC, will after step-down, being converted to direct current from the electric energy of electrical network input, and be input to electric energy storage device 3 storage, thereby remedy the electric energy storage of wind-force when not enough, improved the practicality of described charging device thus.When controller 1 does not receive the wind energy shortage signal, will produce and be converted to galvanic power storage by wind power generation this moment and go into electric energy storage device 3.When controller 1 is confirmed to receive electric energy and has been expired signal, show and no longer need this moment to electric energy storage device 3 storage of electrical energy, then first electric pressure converter 7 in the controller 1 control device for converting electric energy 2 is operated in the operating state of DC-AC, thereby the unnecessary electric energy that wind electricity generating system 4 is produced by device for converting electric energy 2 through inversion be alternating current and boost after be fed back in the electrical network, effectively utilized the energy thus.In addition, when controller 1 receives from the electrical network feedback of outside instruction, mean this moment needs described charging device feedback electric energy to electrical network with additional electrical network energy, at this moment, no matter which kind of state described charging device is operated under, controller 1 is all controlled 21 disconnections of first jockey and is controlled the operating state that first electric pressure converter 7 is operated in DC-AC, thereby disconnected being connected of wind electricity generating system 4 and electric energy storage device 3, made direct current feedback after the boosting of the inversion of first electric pressure converter 7 and transformer 6 of wind electricity generating system 4 outputs go into electrical network.
In addition, the present invention also can expand to and utilize solar power generation, and with the electric energy storage that produces in electric energy storage device 3.The control method of this device of solar generating and similar with the annexation and the wind electricity generating system 4 of miscellaneous part in the described charging device, those skilled in the art can be according to the above-mentioned realization that the description of wind electricity generating system 4 is easily extended to the charge function that utilizes device of solar generating.
Claims (12)
1. the charging device of a self power generation, the charging device of this self power generation comprises controller (1), device for converting electric energy (2), electric energy storage device (3), controller (1) is electrically connected with device for converting electric energy (2) and electric energy storage device (3) respectively, and device for converting electric energy (2) also is electrically connected with electric energy storage device (3);
Device for converting electric energy (2) is used for the alternating current of importing from electrical network is carried out step-down and is converted to direct current;
Electric energy storage device (3) is used for storage through device for converting electric energy (2) step-down and the direct current that is converted to;
Controller (1) is used to obtain the power storage situation of electric energy storage device (3), and according to the power storage situation of electric energy storage device (3), control device for converting electric energy (2) carries out step-down and conversion to the alternating current of importing from electrical network;
It is characterized in that,
Described charging device also comprises wind electricity generating system (4), this wind electricity generating system (4) is electrically connected with controller (1), device for converting electric energy (2) and electric energy storage device (3) respectively, be used for wind energy is converted to direct current, this direct current outputed to store or flow to device for converting electric energy (2) in the electric energy storage device (3);
Described device for converting electric energy (2) also is used for the dc inverter of wind energy conversion being become alternating current, the input electrical network;
Described controller (1) also is used to control device for converting electric energy (2) direct current of wind energy conversion is carried out inversion; And
Described controller (1) also comprises electrical network feedback command reception unit (22), be used to receive electrical network feedback instruction, and the dc inverter of wind electricity generating system (4) output is become alternating current, and boost the input electrical network according to electrical network feedback commands for controlling device for converting electric energy (2).
2. charging device according to claim 1, wherein, described charging device also comprises current sensing means (9), this current sensing means (9) is connected in the path between controller (1) and the wind electricity generating system (4), be used for the output current value of wind electricity generating system (4) is detected, and the current value that detection obtains sent to controller (1)
Controller (1) also is used to obtain the magnitude of voltage of electric energy storage device (3), judges according to the magnitude of voltage that gets access to whether the power storage of electric energy storage device (3) is sufficient,
When power storage was sufficient, controller (1) control device for converting electric energy (2) was an alternating current with the dc inverter of wind electricity generating system (4) output, and boosts by transformer (6), the input electrical network;
When power storage is inadequate, controller (1) judges according to the output current value of the detected wind electricity generating system of current sensing means (9) (4) whether wind power generation satisfies the energy storage demand, when wind power generation satisfies the energy storage demand, controller (1) control device for converting electric energy (2) is not worked, thereby makes direct current input electric energy storage device (3) storage of wind electricity generating system (4) output; When wind power generation does not satisfy the energy storage demand, control device for converting electric energy (2) is operated in alternating current is converted to galvanic state, make device for converting electric energy (2) carry out step-down to the electric energy of from electrical network, importing, and be converted to direct current, input electric energy storage device (3) storage makes direct current input electric energy storage device (3) storage of wind electricity generating system (4) output simultaneously.
3. charging device according to claim 2, wherein, when power storage is inadequate, controller (1) also is used for whether satisfying according to wind power generation the situation of energy storage demand and electric energy storage device (3) power storage, whether control device for converting electric energy (2) carries out step-down to the electric energy from the electrical network input, and convert direct current to, import electric energy storage device (3).
4. according to claim 2 or 3 described charging devices, wherein, described controller (1) comprises first comparator (10) and second comparator (11), first comparator (10) is electrically connected with current sensing means (9) and device for converting electric energy (2) respectively, be used for judging according to the output current value of the detected wind electricity generating system of current sensing means (9) (4) whether the electric current of wind electricity generating system (4) output satisfies the energy storage demand, second comparator (11) is electrically connected with electric energy storage device (3) and device for converting electric energy (2) respectively, is used for judging according to the magnitude of voltage that gets access to whether the electric energy storage of electric energy storage device (3) is sufficient.
5. charging device according to claim 2, wherein,
Judge that the method whether wind power generation satisfies the energy storage demand comprises: whether the direct current output current value of judging the wind energy conversion less than first threshold, and the scope of described first threshold is greater than zero and smaller or equal to 10% of the rated current of electric energy storage device (3);
Judge that whether sufficient power storage method comprise: whether judge the electric energy stored magnitude of voltage greater than second threshold value, the scope of described second threshold value more than or equal to the rated voltage of electric energy storage device (3) 80% and smaller or equal to the rated voltage of electric energy storage device (3).
6. charging device according to claim 1, wherein, described device for converting electric energy (2) comprises the transformer (6) and first electric pressure converter (7) of mutual series connection, first electric pressure converter (7) also respectively with electric energy storage device (3), wind electricity generating system (4) and controller (1) are electrically connected, the electric energy that transformer (6) is used for that electrical network is imported carries out step-down and boosts to output to electrical network with the electric energy that outputs to first electric pressure converter (7) or first electric pressure converter (7) is exported, first electric pressure converter (7) is used for the electric energy from transformer (6) being converted to direct current and outputing to electric energy storage device (3), or will be alternating current from the dc inverter of electric energy storage device (3) and output to transformer (6).
7. charging device according to claim 6, wherein, described wind electricity generating system (4) comprises fan blade (12), generator (13) and second electric pressure converter (14) of mutual series connection, second electric pressure converter (14) also is electrically connected with electric energy storage device (3) and first electric pressure converter (7), fan blade (12) is used to drive generator (13) and generates electricity, second electric pressure converter (14) is used for the electric energy of generator (13) output is converted to direct current, and this direct current is input to electric energy storage device (3) or first electric pressure converter (7).
8. charging device according to claim 1, wherein, this charging device also comprises second jockey (5), this second jockey (5) is electrically connected with electric energy storage device (3) and controller (1) respectively, and controller (1) also comprises I/O detecting unit (8), be used for detecting and whether have vehicle to be charged, when I/O detecting unit (8) detects when having vehicle to be charged, controller (1) sends turn-on command so that second jockey (5) conducting is charged thereby make the middle electric energy stored of electric energy storage device (3) treat charging vehicle.
9. charging device according to claim 1, wherein, the charging device of described self power generation also comprises first jockey (21), this first jockey (21) is connected in the path between electric energy storage device (3) and the wind electricity generating system (4), and be electrically connected with controller (1), when electrical network feedback command reception unit received electrical network feedback instruction, controller (1) was also controlled first jockey (21) and is disconnected.
10. the charging method of a self power generation is characterized in that, described method comprises:
Wind energy is converted to electric energy, and the electric energy after will changing is converted to direct current;
Judge whether power storage is sufficient:
When power storage is sufficient, described dc inverter is become alternating current, and the back input electrical network that boosts;
When power storage is inadequate, store with the storage of described direct current and/or with the alternating current step-down of electrical network and after being converted to direct current; And
The feedback of reception electrical network is instructed and when receiving electrical network feedback instruction, dc inverter is become alternating current, and boost, and is input to electrical network.
11. charging method according to claim 10, wherein, described method also comprises:
When power storage is inadequate, judge whether wind power generation satisfies the energy storage demand,
When wind power generation satisfies the energy storage demand, with described direct current storage;
When wind power generation does not satisfy the energy storage demand,, simultaneously the electric energy of importing is carried out step-down from electrical network, and store after being converted to direct current described direct current storage.
12. charging method according to claim 11, wherein,
Judge that the method whether wind power generation satisfies the energy storage requirement comprises: whether the direct current output current value of judging the wind energy conversion less than first threshold, and the scope of described first threshold is more than or equal to zero and smaller or equal to 10% of the rated current of electric energy storage device (3);
Judge that whether sufficient power storage method comprise: whether judge the electric energy stored magnitude of voltage greater than second threshold value, the scope of described second threshold value more than or equal to the rated voltage of electric energy storage device (3) 80% and smaller or equal to the rated voltage of electric energy storage device (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101086540A CN101593985B (en) | 2008-05-30 | 2008-05-30 | Self-powered charging device and charging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101086540A CN101593985B (en) | 2008-05-30 | 2008-05-30 | Self-powered charging device and charging method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101593985A CN101593985A (en) | 2009-12-02 |
| CN101593985B true CN101593985B (en) | 2011-10-12 |
Family
ID=41408500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101086540A Active CN101593985B (en) | 2008-05-30 | 2008-05-30 | Self-powered charging device and charging method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101593985B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010027793A1 (en) * | 2010-04-15 | 2011-10-20 | Robert Bosch Gmbh | Method and device for determining an excess amount of energy of an electrical energy storage device of a vehicle |
| FR2961964B1 (en) * | 2010-06-25 | 2012-07-13 | Valeo Sys Controle Moteur Sas | METHOD FOR CHARGING ACCUMULATION MEANS AND CORRESPONDING CHARGE DEVICE |
| CN102810900B (en) * | 2011-05-30 | 2015-04-08 | 中山市云创知识产权服务有限公司 | Direct-current charger |
| CN102355030A (en) * | 2011-10-25 | 2012-02-15 | 奇瑞汽车股份有限公司 | Charging system for electric vehicles |
| CN104269911B (en) * | 2014-09-23 | 2016-09-14 | 广东欧珀移动通信有限公司 | Charging system and charging method |
| CN105118759B (en) * | 2015-08-26 | 2018-03-20 | 芜湖市凯鑫避雷器有限责任公司 | Temperature control fuse switch |
| CN113386607B (en) * | 2021-05-26 | 2023-04-07 | 浙江吉利控股集团有限公司 | Charging station charging and discharging automatic balancing method and device and charging station |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2717092Y (en) * | 2004-07-30 | 2005-08-10 | 青岛经济技术开发区创统科技发展有限公司 | Solar energy, wind power and diesel power generation and battery bank integrated AC power supply |
| CN1871433A (en) * | 2003-10-24 | 2006-11-29 | 神钢电机株式会社 | Power supply, generator and wind power generator |
-
2008
- 2008-05-30 CN CN2008101086540A patent/CN101593985B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1871433A (en) * | 2003-10-24 | 2006-11-29 | 神钢电机株式会社 | Power supply, generator and wind power generator |
| CN2717092Y (en) * | 2004-07-30 | 2005-08-10 | 青岛经济技术开发区创统科技发展有限公司 | Solar energy, wind power and diesel power generation and battery bank integrated AC power supply |
Non-Patent Citations (2)
| Title |
|---|
| JP特开平10-174312A 1998.06.26 |
| JP特开平10-201130A 1998.07.31 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101593985A (en) | 2009-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Maroti et al. | The state-of-the-art of power electronics converters configurations in electric vehicle technologies | |
| CN202068223U (en) | Vehicle-based charging-discharging device based on V2G technology | |
| CN101593985B (en) | Self-powered charging device and charging method | |
| KR101245647B1 (en) | Rapid charging system for a battery base on a photovoltaic generation system | |
| CN107804326A (en) | A kind of traction electric machine electric power system and electric locomotive power supply unit | |
| JP5290349B2 (en) | DC power supply system and control method thereof | |
| KR20130054754A (en) | Power applying system for connecting photovoltaic power generating apparatus | |
| CN111181185A (en) | Direct-current micro-grid system applying fuel cell and control method | |
| KR20160122918A (en) | Apparatus for battery charging of electric vehicle | |
| CN103904638A (en) | Direct-current distributed load system based on three-port converter and control method thereof | |
| Kokilavani et al. | Electric Vehicle Charging Station with Effective Energy Management, Integrating Renewable and Grid Power | |
| CN108390456B (en) | Cell electric automobile power supply system and method capable of supplying power reversely | |
| CN112564081B (en) | DC comprehensive micro-grid system and control method | |
| CN101826641A (en) | Method and system for controlling charging of photovoltaic automobile | |
| CN220673401U (en) | Micro-grid system of solid oxide fuel cell | |
| Khan et al. | Integration and management of solar energy for electric vehicle charging station | |
| CN205901433U (en) | On -vehicle power take -off generate electricity power supply system | |
| CN211127216U (en) | Energy device, charging vehicle, charging pile and extended-range electric vehicle | |
| Sharma et al. | Optimized Electric vehicle Charging and discharging with sporadic Renewable energy source | |
| CN102340150A (en) | Electric vehicle charging station and method for charging electric vehicle | |
| KR20140132567A (en) | Hybrid electric vehicles high-voltage battery charging device | |
| CN102195307A (en) | Energy-saving type fast charging device and method | |
| CN105762913A (en) | Micro grid system | |
| CN210536515U (en) | Fuel cell automobile power system simulation platform | |
| Rasappan et al. | Matrix converter supported by hybrid vehicle system with perturb & observe algorithm for V2G operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |