CN102983612A - Device capable of prolonging energy storage time of flywheel battery - Google Patents
Device capable of prolonging energy storage time of flywheel battery Download PDFInfo
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- CN102983612A CN102983612A CN2012104512245A CN201210451224A CN102983612A CN 102983612 A CN102983612 A CN 102983612A CN 2012104512245 A CN2012104512245 A CN 2012104512245A CN 201210451224 A CN201210451224 A CN 201210451224A CN 102983612 A CN102983612 A CN 102983612A
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Abstract
The invention discloses a device capable of prolonging energy storage time of a flywheel battery. The device capable of prolonging the energy storage time of the flywheel battery comprises a current transformer module, a charging and discharging module, a measuring and controlling module and a battery module. The current transformer module is used for transforming a direct current power supply of the battery module into a flywheel battery power source, and also used for transforming the power source of the flywheel battery into the direct current power supply of the battery module. The current transformer includes three working modes, namely a mode from direct current transformed into alternating current, a mode from the alternating current to the direct current, and a shutdown mode. The charging and discharging module is used for providing electricity for normal operation of the flywheel battery, and also used for charging for the battery module. The charging and discharging module consists of two working modules namely a charging mode and a discharging mode. The measuring and controlling module is used for detecting three working states of the flywheel battery, namely a charging mode, a power supply mode and a standby mode, and also used for controlling working modes of the current transformer mode and working modes of the charging and discharging module. The battery module is used for providing electricity for the flywheel battery and the device. The device capable of prolonging the energy storage time of the flywheel battery can effectively prolong standby energy storage time of the flywheel battery.
Description
Technical field
The invention belongs to technical field of new energies, relate to a kind of flying wheel battery, relate in particular to a kind of device that prolongs the Energy Storage of Flywheel Battery time, be applicable to the fields such as traffic, industry, agricultural, military affairs, civilian, new forms of energy.
Background technology
Nowadays, use the widest maximum energy-storage batteries to be undoubtedly chemical cell, it changes electric energy into the chemical energy storage, is converted into electric energy output again, it is cheap, technology maturation, but seriously polluted, efficient is low, charging interval is long, and the electricity consumption time is short, and electric energy is wayward in the use procedure.
As a kind of emerging energy storage mode, flying wheel battery has the incomparable advantage of traditional chemical battery, such as charging interval short (several seconds can be finished charging process, is fit to charging electric vehicle), energy density is high, discharge is abundant, and service time, length (discharged and recharged Reusability, general 25 years, chemical cell is 1-3 only), substantially pollution-free etc., extensively to have been admitted by people, it meets the developing direction of following energy storage technology very much.At present, to the future development of miniaturization, cheapization.Can predict, be accompanied by the progress of technology and materialogy, flying wheel battery will play an important role in all trades and professions in future.
Compare with chemical cell, one of flying wheel battery weakness be the standby energy storage time much smaller than chemical cell, its range of application is restricted.
Summary of the invention
Technical problem to be solved by this invention is: a kind of device that prolongs the Energy Storage of Flywheel Battery time is provided, can effectively prolongs the standby energy storage time of flying wheel battery.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of device that prolongs the Energy Storage of Flywheel Battery time, described device comprises:
Converter module is used for the DC power supply of the battery module of described device is transformed into the flying wheel battery power supply, also is used for the flying wheel battery power conversion is become the DC power supply of battery module; Described converter module has three kinds of mode of operations: DC converting becomes AC mode, exchange conversion to become DC mode, shutdown mode;
Charge-discharge modules, being used to flying wheel battery to provide to keep to run well provides electric energy, also is used to charging battery module; Described charge-discharge modules has two kinds of mode of operations: charge mode, discharge mode;
Control module is for detection of three kinds of operating states of flying wheel battery: charge mode, powering mode, standby mode; Also be used for the mode of operation of control converter module and the mode of operation of charge-discharge modules;
Battery module is used for providing electric energy to flying wheel battery and this device.
As a preferred embodiment of the present invention, under the standby mode of flying wheel battery in non-charged state, converter module converts the Dc low voltage power supply of battery module to interchange or DC high-voltage power supply, for providing, flying wheel battery keeps electric energy, control module detects the parameter of flying wheel battery, and control is to the size of current of keeping of flying wheel battery.The operating state of described control module monitoring flying wheel battery, when flying wheel battery worked in powering mode, control module control converter module entered the standby running status, stops to the wind wheel powered battery.When described control module detects flying wheel battery and enters charged state, control module control charge-discharge modules enters the charge operation state, charge-discharge modules is according to battery module state parameter control charging current and charge mode, and the state parameter of detection battery module, determine whether the indicator light that needs to change battery module is lighted.
As a preferred embodiment of the present invention, described converter module comprises first microprocessor, normal transistor, field-effect transistor, insulated gate transistor, thyristor, gate level turn-off thyristor; Described control module comprises the second microprocessor, current metering sensor, voltage measurement transducer, operational amplifier, display; Described charge-discharge modules comprises the 3rd microprocessor, power switch pipe, current sensor.
As a preferred embodiment of the present invention, described converter module comprises that single machine unit circuit, direct current become interchange element circuit, the first electronic switch unit circuit, AC-DC element circuit, the second electronic switch unit circuit.Direct voltage enters direct current through dc bus and becomes interchange element circuit and single machine unit circuit; Direct current change interchange element circuit is responsible for that direct current is transformed into alternating current and is exported through ac bus, the voltage swing of alternating current and frequency parameter are controlled by the single machine unit circuit, direct current voltage detecting transducer is arranged on the single machine unit circuit, detect the size and Orientation of the current/voltage parameter on the dc bus; Voltage on the ac bus also inputs to the single machine unit circuit, and the alternating voltage current sensor is arranged on the single machine unit circuit, detects the size and Orientation of the current/voltage parameter on the ac bus.The single machine unit circuit is controlled the first electronic switch unit circuit and the second electronic switch unit circuit, and when needs during with converting direct-current power into alternating-current power, the power switch of the first electronic switch unit circuit and the second electronic switch unit circuit is in off-state.When needs convert alternating current to direct current, single machine unit circuit control direct current becomes the interchange element circuit and quits work, the power switch of controlling simultaneously the first electronic switch unit circuit and the second electronic switch unit circuit is in conducting state, the alternating current of extraneous input enters the AC-DC element circuit through ac bus and the second electronic switch unit circuit, alternating current is transformed into direct current, exports dc bus to through the first electronic switch unit circuit.
As a preferred embodiment of the present invention, described control module comprises microcontroller circuit, the first communication interface circuit, display, second communication interface circuit, keyboard interface circuit.Microcontroller circuit is by the first communication interface circuit, second communication interface circuit, communication interface circuit with current transformation module and charge-discharge modules exchanges measurement data and control parameter respectively, and display is used for display measurement parameter, command parameter and operating state; Keyboard interface circuit is used for the input command parameter.
As a preferred embodiment of the present invention, described charge-discharge modules comprises microprocessor unit, charge and discharge element circuit, battery module interface, detection cell circuit, third communication interface circuit and indicator light circuit.
When the power supply instruction that microprocessor unit is received control module, the charge and discharge element circuit starts the discharge circuit of this element circuit, closes simultaneously the charging circuit of this element circuit; When microprocessor unit was received the charging instruction of control module, the charge and discharge element circuit was closed the discharge circuit of this element circuit, started simultaneously the charging circuit of this element circuit; Detection cell circuit detects battery current and voltage parameter, send microprocessor unit to, by the third communication interface circuit current/voltage parameter is passed to control module, microprocessor unit carries out computational analysis to the parameter that detects in real time simultaneously, when finding to need to change battery, the control indicator light is lighted; When microprocessor unit is received the standby command of control module, control charge/discharge unit circuit charge closing and discharge circuit.
As a preferred embodiment of the present invention, described converter module has rectangular coordinate system four quadrant running function; The watt level of converter module components and parts changes with this modular power size.
As a preferred embodiment of the present invention, described control module and converter module exchange message are sent the mode of operation instruction to converter module; Control module and charge-discharge modules exchange message are sent the mode of operation instruction to charge-discharge modules.
As a preferred embodiment of the present invention, described charge-discharge modules is connected with battery module, control module respectively, the charging current of charge-discharge modules control battery module or discharging current size; Charge-discharge modules is accepted the control module instruction, changes mode of operation, and real time data is passed to control module.
The characteristics that the present invention prolongs the Energy Storage of Flywheel Battery time device are: utilize flywheel extremely small principle of required energy when keeping normal operation, flying wheel battery is under the standby mode of non-charged state, provide this small energy to keep normal operation by flywheel by battery module, thereby prolong the energy storage time of flywheel.For need flying wheel battery provide time that when energy need energy uncertain user the energy reserves that prolongs the stand-by period is provided, thereby improved the scope of application of flying wheel battery.The battery module watt level of this device is relevant with the flying wheel battery power characteristic, power and normal operation holding power according to flying wheel battery determine, be generally the 1-10% of flying wheel battery power, the flying wheel battery quality is higher, holding power is less, the capacity of this device battery module is also less, therefore, has reduced the parameters such as the cost of this device and volume weight.Simultaneously, the battery module of this device also can discharge and recharge, and can be convenient for changing.Flying wheel battery is at the battery charger operation mode, and electrical network or other supply unit are to the flying wheel battery charging energy-storing and keep normal operation, also gives simultaneously charging battery module.Flying wheel battery is under the standby mode of non-charged state, converter module converts the Dc low voltage power supply of battery module to interchange or DC high-voltage power supply, for providing, flying wheel battery keeps electric energy, control module obtains the flying wheel battery operational factor by converter module, and control is to the size of current of keeping of flying wheel battery.Control module is by charge-discharge modules monitoring flying wheel battery operating state, and when flying wheel battery worked in the wait powering mode, the control converter module entered the standby running status, stops to the wind wheel powered battery; When flying wheel battery entered charged state, battery module entered the charge operation state, and control module is according to battery module state parameter control charging current and charge mode, and according to the state parameter of battery module, battery module is changed in advance forecast; When flying wheel battery worked in powering mode, battery module did not provide electric energy, and this device is in holding state.The kind basis of battery module can be according to service condition and Object Selection, as using lithium battery or common lead acid accumulator etc.This prolongation Energy Storage of Flywheel Battery time device can manufacture series of products, and the different capacity grade is used with the various flying wheel batteries of different capacity size.
Beneficial effect of the present invention is: the device of the prolongation Energy Storage of Flywheel Battery time that the present invention proposes, in the standby thermal energy storage process, prolong the standby energy storage time of flying wheel battery by chemical cell makeup energy mode for flying wheel battery, overcome the flying wheel battery defective, expand the purposes of flying wheel battery.And the 1%-10% that used chemical cell energy is the flying wheel battery energy.
Description of drawings
Fig. 1 is the theory diagram of apparatus of the present invention.
Fig. 2 is the theory diagram of converter module among the present invention.
Fig. 3 is the theory diagram of control module among the present invention.
Fig. 4 is the theory diagram of charge-discharge modules among the present invention.
Embodiment
Describe the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 1, the present invention has disclosed a kind of prolongation Energy Storage of Flywheel Battery time device (being service object of the present invention---flying wheel battery 6 in the dotted line frame), and described device comprises converter module 2, charge-discharge modules 3, battery module 4, control module 5.
Described converter module 2 can comprise first microprocessor, normal transistor, field-effect transistor, insulated gate transistor, thyristor, gate level turn-off thyristor; Described control module 5 can comprise the second microprocessor, current metering sensor, voltage measurement transducer, operational amplifier, display; Described charge-discharge modules 3 can comprise the 3rd microprocessor, power switch pipe, current sensor.
Under the standby mode of flying wheel battery 6 in non-charged state, converter module 2 converts the Dc low voltage power supply of battery module 4 to interchange or DC high-voltage power supply, for providing, flying wheel battery 6 keeps electric energy, control module 4 detects the parameter of flying wheel battery 6, and control is to the size of current of keeping of flying wheel battery 6.The operating state of control module 4 monitoring flying wheel batteries 6, when flying wheel battery 6 worked in powering mode, control module 5 control converter modules 2 entered the standby running status, stop to the wind wheel powered battery; When control module 4 detects flying wheel battery 6 and enters charged state, control module 4 control charge-discharge modules 3 enter the charge operation state, charge-discharge modules 3 is according to battery module 5 state parameters control charging current and charge mode, and the state parameter of detection battery module 5, determine whether the indicator light that needs to change battery module 5 is lighted.
Fig. 2 is the theory diagram of converter module, and it is comprised of single machine unit circuit 8, direct current change interchange element circuit 9, electronic switch unit circuit 11, AC-DC element circuit 12, electronic switch unit circuit 13.Direct voltage enters direct current through dc bus 7 and becomes interchange element circuit 9 and single machine unit circuit 8.Direct current becomes interchange element circuit 9 to be responsible for direct current is transformed into alternating current through ac bus 10 outputs, the voltage swing of alternating current and frequency parameter are subjected to 8 controls of single machine unit circuit, direct current voltage detecting transducer is arranged on the single machine unit circuit 8, detect the size and Orientation of the current/voltage parameter on the dc bus.Voltage on the ac bus also inputs to single machine unit circuit 8, and the alternating voltage current sensor is arranged on the single machine unit circuit 8, detects the size and Orientation of the current/voltage parameter on the ac bus.Single machine unit circuit 8 control electronic switch unit circuit 11 and electronic switch unit circuit 13, when needs during with converting direct-current power into alternating-current power, the power switch of electronic switch unit circuit 11 and electronic switch unit circuit 13 is in off-state.When needs convert alternating current to direct current, single machine unit circuit 8 control direct currents become interchange element circuit 9 and quit work, the power switch of controlling simultaneously electronic switch unit circuit 11 and 13 is in conducting state, the alternating current of extraneous input enters AC-DC element circuit 12 through ac bus 10 and electronic switch unit circuit 13, alternating current is transformed into direct current, exports dc bus 7 to through electronic switch unit circuit 11.
Fig. 3 is the theory diagram of control module, and it is comprised of communication interface circuit 14, microcontroller circuit 15, LCD display 16, communication interface circuit 17, keyboard interface circuit 18.Microcontroller circuit 15 is by communication interface circuit 14, communication interface circuit 17, communication interface circuit with current transformation module 2 and charge-discharge modules 3 exchanges measurement data and control parameter respectively, and LCD display is used for display measurement parameter, command parameter and operating state.Keyboard interface circuit 18 is used for the input command parameter.
Fig. 4 is the theory diagram of charge-discharge modules, and it is comprised of microprocessor unit circuit 19, charge and discharge element circuit 20, battery module interface 21, detection cell circuit 22, communication interface circuit 23 and LED light circuit 24.When the power supply instruction that microprocessor unit circuit 19 is received control module 5, charge and discharge element circuit 20 starts the discharge circuit of this element circuit, closes simultaneously the charging circuit of this element circuit.When microprocessor unit circuit 19 was received the charging instruction of control module 5, charge and discharge element circuit 20 was closed the discharge circuit of this element circuit, started simultaneously the charging circuit of this element circuit.Detection cell circuit 22 detects battery current and voltage parameter, send microprocessor unit circuit 19 to, by communication interface circuit 23 the current/voltage parameter is passed to control module 5, microprocessor unit circuit carries out computational analysis to the parameter that detects in real time simultaneously, when finding to need to change battery, the control LED light is lighted.When microprocessor unit circuit 19 is received the standby command of control module 5, control charge/discharge unit circuit charge closing and discharge circuit.
In sum, the device of the prolongation Energy Storage of Flywheel Battery time that the present invention proposes, for flying wheel battery prolongs the standby energy storage time of flying wheel battery by chemical cell makeup energy mode in the standby thermal energy storage process, overcome the flying wheel battery defective, expand the purposes of flying wheel battery.And the 1%-10% that used chemical cell energy is the flying wheel battery energy.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that in the situation that does not break away from spirit of the present invention or substantive characteristics, and the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.In the situation that does not break away from the scope of the invention and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (9)
1. a device that prolongs the Energy Storage of Flywheel Battery time is characterized in that, described device comprises:
Converter module is used for the DC power supply of the battery module of described device is transformed into the flying wheel battery power supply, also is used for the flying wheel battery power conversion is become the DC power supply of battery module; Described converter module has three kinds of mode of operations: DC converting becomes AC mode, exchange conversion to become DC mode, shutdown mode;
Charge-discharge modules, being used to flying wheel battery to provide to keep to run well provides electric energy, also is used to charging battery module; Described charge-discharge modules has two kinds of mode of operations: charge mode, discharge mode;
Control module is for detection of three kinds of operating states of flying wheel battery: charge mode, powering mode, standby mode; Be used for simultaneously the mode of operation of control converter module and the mode of operation of charge-discharge modules;
Battery module is used for providing electric energy to flying wheel battery and this device.
2. the device of prolongation Energy Storage of Flywheel Battery time according to claim 1 is characterized in that:
Under the standby mode of flying wheel battery in non-charged state, converter module converts the Dc low voltage power supply of battery module to interchange or DC high-voltage power supply, keep electric energy for flying wheel battery provides, control module detects the parameter of flying wheel battery, and control is to the size of current of keeping of flying wheel battery;
The operating state of described control module monitoring flying wheel battery, when flying wheel battery worked in powering mode, control module control converter module entered the standby running status, stops to the wind wheel powered battery;
When described control module detects flying wheel battery and enters charged state, control module control charge-discharge modules enters the charge operation state, charge-discharge modules is according to battery module state parameter control charging current and charge mode, and the state parameter of detection battery module, determine whether the indicator light that needs to change battery module is lighted.
3. the device of prolongation Energy Storage of Flywheel Battery time according to claim 1 is characterized in that:
Described converter module comprises first microprocessor, normal transistor, field-effect transistor, insulated gate transistor, thyristor, gate level turn-off thyristor;
Described control module comprises the second microprocessor, current metering sensor, voltage measurement transducer, operational amplifier, display;
Described charge-discharge modules comprises the 3rd microprocessor, power switch pipe, current sensor.
4. the device of prolongation Energy Storage of Flywheel Battery time according to claim 1 is characterized in that:
Described converter module comprises that single machine unit circuit, direct current become interchange element circuit, the first electronic switch unit circuit, AC-DC element circuit, the second electronic switch unit circuit;
Direct voltage enters direct current through dc bus and becomes interchange element circuit and single machine unit circuit; Direct current change interchange element circuit is responsible for that direct current is transformed into alternating current and is exported through ac bus, the voltage swing of alternating current and frequency parameter are controlled by the single machine unit circuit, direct current voltage detecting transducer is arranged on the single machine unit circuit, detect the size and Orientation of the current/voltage parameter on the dc bus; Voltage on the ac bus also inputs to the single machine unit circuit, and the alternating voltage current sensor is arranged on the single machine unit circuit, detects the size and Orientation of the current/voltage parameter on the ac bus;
The single machine unit circuit is controlled the first electronic switch unit circuit and the second electronic switch unit circuit, and when needs during with converting direct-current power into alternating-current power, the power switch of the first electronic switch unit circuit and the second electronic switch unit circuit is in off-state;
When needs convert alternating current to direct current, single machine unit circuit control direct current becomes the interchange element circuit and quits work, the power switch of controlling simultaneously the first electronic switch unit circuit and the second electronic switch unit circuit is in conducting state, the alternating current of extraneous input enters the AC-DC element circuit through ac bus and the second electronic switch unit circuit, alternating current is transformed into direct current, exports dc bus to through the first electronic switch unit circuit.
5. the device of prolongation Energy Storage of Flywheel Battery time according to claim 1 is characterized in that:
Described control module comprises microcontroller circuit, the first communication interface circuit, display, second communication interface circuit, keyboard interface circuit;
Microcontroller circuit is by the first communication interface circuit, second communication interface circuit, communication interface circuit with current transformation module and charge-discharge modules exchanges measurement data and control parameter respectively, and display is used for display measurement parameter, command parameter and operating state; Keyboard interface circuit is used for the input command parameter.
6. the device of prolongation Energy Storage of Flywheel Battery time according to claim 1 is characterized in that:
Described charge-discharge modules comprises microprocessor unit, charge and discharge element circuit, battery module interface, detection cell circuit, third communication interface circuit and indicator light circuit;
When the power supply instruction that microprocessor unit is received control module, the charge and discharge element circuit starts the discharge circuit of this element circuit, closes simultaneously the charging circuit of this element circuit;
When microprocessor unit was received the charging instruction of control module, the charge and discharge element circuit was closed the discharge circuit of this element circuit, started simultaneously the charging circuit of this element circuit;
Detection cell circuit detects battery current and voltage parameter, send microprocessor unit to, by the third communication interface circuit current/voltage parameter is passed to control module, microprocessor unit carries out computational analysis to the parameter that detects in real time simultaneously, when finding to need to change battery, the control indicator light is lighted;
When microprocessor unit is received the standby command of control module, control charge/discharge unit circuit charge closing and discharge circuit.
7. the device of prolongation Energy Storage of Flywheel Battery time according to claim 1 is characterized in that:
Described converter module has rectangular coordinate system four quadrant running function; The watt level of converter module components and parts changes with this modular power size.
8. the device of prolongation Energy Storage of Flywheel Battery time according to claim 1 is characterized in that:
Described control module and converter module exchange message are sent the mode of operation instruction to converter module; Control module and charge-discharge modules exchange message are sent the mode of operation instruction to charge-discharge modules.
9. the device of prolongation Energy Storage of Flywheel Battery time according to claim 1 is characterized in that:
Described charge-discharge modules is connected with battery module, control module respectively, the charging current of charge-discharge modules control battery module or discharging current size;
Charge-discharge modules is accepted the control module instruction, changes mode of operation, and real time data is passed to control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104512245A CN102983612A (en) | 2012-11-12 | 2012-11-12 | Device capable of prolonging energy storage time of flywheel battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104512245A CN102983612A (en) | 2012-11-12 | 2012-11-12 | Device capable of prolonging energy storage time of flywheel battery |
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| CN102983612A true CN102983612A (en) | 2013-03-20 |
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| CN2012104512245A Pending CN102983612A (en) | 2012-11-12 | 2012-11-12 | Device capable of prolonging energy storage time of flywheel battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217480A (en) * | 2018-11-13 | 2019-01-15 | 中冶赛迪电气技术有限公司 | A kind of Energy Storage of Flywheel Battery device |
| CN109560549A (en) * | 2019-01-23 | 2019-04-02 | 清华大学 | A kind of control method and system of backup type flywheel energy storage UPS |
-
2012
- 2012-11-12 CN CN2012104512245A patent/CN102983612A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217480A (en) * | 2018-11-13 | 2019-01-15 | 中冶赛迪电气技术有限公司 | A kind of Energy Storage of Flywheel Battery device |
| CN109217480B (en) * | 2018-11-13 | 2024-02-13 | 中冶赛迪电气技术有限公司 | Flywheel battery energy storage device |
| CN109560549A (en) * | 2019-01-23 | 2019-04-02 | 清华大学 | A kind of control method and system of backup type flywheel energy storage UPS |
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Application publication date: 20130320 |