CN105846722A - Energy storage system based on multiple thermoelectric tanks - Google Patents
Energy storage system based on multiple thermoelectric tanks Download PDFInfo
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- CN105846722A CN105846722A CN201610324009.7A CN201610324009A CN105846722A CN 105846722 A CN105846722 A CN 105846722A CN 201610324009 A CN201610324009 A CN 201610324009A CN 105846722 A CN105846722 A CN 105846722A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J15/00—Systems for storing electric energy
Abstract
The invention provides an energy storage system based on multiple thermoelectric tanks. The energy storage system comprises a plurality of thermoelectric tanks, a switchover circuit, a control circuit and an energy storage module, wherein the switchover circuit is used for orderly connecting each thermoelectric tank and the control circuit; each thermoelectric tank comprises a hot end, a cool end and a thermoelectric sheet arranged between the hot end and the cool end; the hot end comprises a first water intake opening and a first water outlet opening; the cool end comprises a second water intake opening and a second water outlet opening; the control circuit comprises a Boost conversion module, a current detection module, a PWM control module and a voltage sampling module; the Boost conversion module is electrically connected with the switchover circuit; the current detection module is used for obtaining current information of the Boost conversion module; the voltage sampling module is used for obtaining voltage information of the thermoelectric tanks, the energy storage module and the current detection module; the voltage information is transmitted to the PWM control module; the PWM control module controls the Boost conversion module to charge the energy storage module according to the voltage information.
Description
Technical field
The present invention relates to a kind of energy-storage system based on many thermo-electrically groove.
Background technology
Thermoelectric material is a kind of functional material that can heat energy and electric energy be mutually changed, and the Seebeck effect found for 1823 and the application that peltier effect is thermoelectric energy converters and thermoelectric cooling found for 1834 provide theoretical foundation.Along with the increase of space exploration interest, the progress of medical physics and be difficult to resource survey and the Exploratory behavior day by day increased at the earth, need to develop a class can self energy supply and without the power-supply system looked after, these application are particularly suitable by thermoelectric power generation.
Utilizing the nature temperature difference and industrial waste heat to be used equally to thermoelectric power generation, it can utilize the uncontamination energy that nature exists, and has good comprehensive social benefit.It addition, utilize microelement prepared by thermoelectric material for preparing micro power, microcell cooling, optical communication laser diode and the thermoregulating system of infrared ray sensor, significantly expand the application of thermoelectric material.Therefore, thermoelectric material is the material of a kind of extensive application prospect, and in today that environmental pollution and energy crisis are the most serious, the research carrying out Novel hot electric material has the strongest realistic meaning and market prospect.
But, the generating voltage of thermoelectric power generation is unstable, and voltage can reduce with temperature and decline, it is difficult to is carried out continuously charging or uses, limiting it and apply further.
Summary of the invention
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of energy-storage system based on many thermo-electrically groove, including:
Multiple thermo-electrically grooves, switching circuit, control circuit and energy-storage module, described switching circuit is connected between described thermo-electrically groove and control circuit, is used for be linked in sequence each thermo-electrically groove and described control circuit；
Described thermo-electrically groove includes hot junction, cold end and is arranged at the thermo-electrically sheet between described hot junction and described cold end, and described hot junction includes that the first water inlet and the first outlet, described cold end include the second water inlet and the second outlet；
Described control circuit includes Boost conversion module, current detection module, PWM control module and voltage sampling module, described Boost conversion module electrically connects with described switching circuit, described current detection module is for obtaining the current information of described Boost conversion module, described voltage sampling module is used for obtaining described thermo-electrically groove, described energy-storage module and the information of voltage of described current detection module, and described information of voltage is transferred to described PWM control module, described PWM control module controls described Boost conversion module according to described information of voltage and charges to described energy-storage module.
Preferably, described current detection module uses MAX472 chip, and it for being converted to information of voltage by current information, then determines current value by described voltage sampling module.
Preferably, described PWM control module uses STC12C5620AD single-chip microcomputer.
Preferably, the output voltage range 3.5 ~ 7V of described control circuit.
Preferably, when input voltage is less than first threshold, after needing to be boosted by described Boost conversion module, then carry out voltage stabilizing control by LM7805.
Preferably, described first water inlet, described first outlet, described second water inlet and described second outlet farther include electric control valve.
Preferably, when described input voltage is less than Second Threshold, described first water inlet, the electric control valve of described second water inlet that are not attached in the thermo-electrically groove of described control circuit are opened simultaneously and are started to add hot water and cold water in described hot junction and described cold end respectively.
Preferably, when described input voltage is less than three threshold values, described switching circuit is switched to just to inject in the thermo-electrically groove of hot water and cold water, makes the thermo-electrically groove of described firm injection hot water and cold water be connected to described control circuit.
Preferably, in described switching circuit is switched to just to inject the thermo-electrically groove of hot water and cold water, the first outlet and the second outlet that are connected to the thermo-electrically groove of described control circuit open the hot water emptied respectively in hot junction and the cold water at cold end before simultaneously.
Preferably, including three thermo-electrically grooves.
The invention have the benefit that the energy-storage system based on many thermo-electrically groove that the present invention provides can be switched over by described switching circuit between multiple thermo-electrically grooves, thus obtain the voltage of steady and continuous, extend its application.It addition, the voltage sampling module in control circuit is to input, output voltage real-time sampling, basicly stable by changing dutycycle proof load or energy-storage module charging voltage.
Accompanying drawing explanation
Fig. 1 is the structural representation of the energy-storage system of many thermo-electrically groove that the embodiment of the present invention provides.
Fig. 2 is the circuit diagram of the Boost conversion module in the energy-storage system of many thermo-electrically groove that the embodiment of the present invention provides and current detection module.
Fig. 3 is the PWM control module in the energy-storage system of many thermo-electrically groove that the embodiment of the present invention provides and the circuit diagram of described voltage sampling module.
Fig. 4 is the circuit diagram of the Voltage stabilizing module in the energy-storage system of many thermo-electrically groove that the embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Please with reference to Fig. 1, a kind of energy-storage system based on many thermo-electrically groove 100, including: multiple thermo-electrically grooves 10, switching circuit 40, control circuit 20 and energy-storage module 30, described switching circuit 40 is connected between described thermo-electrically groove 10 and control circuit 20, is used for be linked in sequence each thermo-electrically groove 10 and described control circuit 20.
Described thermo-electrically groove includes hot junction 11, cold end 13 and is arranged at the thermo-electrically sheet 12 between described hot junction 11 and described cold end 13.Described hot junction 11 includes the first water inlet 112 and the first outlet 114, and described cold end 13 includes the second water inlet 122 and the second outlet 124.Described first water inlet 112, described first outlet 114, described second water inlet 122 and described second outlet 124 farther include electric control valve 116/118/126/128, for controlling described hot junction 11 or the hot water of described cold end 13 or the turnover of cold water.
Described control circuit 20 includes Boost conversion module 22, current detection module 23, PWM control module 21 and voltage sampling module 24.Described Boost conversion module 22 electrically connects with described thermo-electrically sheet 12.Described current detection module 23 is for obtaining the current information of described Boost conversion module 22, described voltage sampling module 24 is for obtaining described thermo-electrically groove 10, described energy-storage module 30 and the information of voltage of described current detection module 23, and described information of voltage is transferred to described PWM control module 21, described PWM control module 21 controls described Boost conversion module 22 according to described information of voltage and charges to described energy-storage module 30.
Please with reference to Fig. 2, described Boost conversion module 22 is integrally disposed with current detection module 23 to be included: the first two-terminal adapter, the first electronic circuit, the second electronic circuit, the 3rd electronic circuit, the 4th electronic circuit and the second two-terminal adapter being linked in sequence.
Described first circuit module includes the first diode D1, the first resistor R1, the second resistor R2, the 3rd resistor R3 and the 3rd light emitting diode D3, the positive pole of described first diode D1 connects the second port of described first two-terminal adapter, the negative pole of described first diode D1 is sequentially connected with ground connection after described first resistor R1 and described 3rd resistor R3, and the negative pole of described first diode D1 is sequentially connected with ground connection after the positive pole of described second resistor R2 and described 3rd light emitting diode D3.
Described second electronic circuit includes the first inducer L1, 4th resistance R4, first audion Q1, second audion Q2 and the second diode D2, the negative pole of described first diode D1 is sequentially connected with described 4th resistance R4, by the grounded emitter of described second audion Q2 after the colelctor electrode of described second audion Q2, the negative pole of described first diode D1 is sequentially connected with described first inducer L1, by the grounded collector of described first audion Q1 after the emitter stage of described first audion Q1, the colelctor electrode of described second audion Q2 is connected with the base stage of described first audion Q1, the positive pole of described second diode D2 is connected with the emitter stage of described first inducer L1 and described first audion Q1.
Described 3rd electronic circuit includes the 5th resistor R5, the 6th resistor R6, the first capacitor C1 and the 7th resistor R7, the negative pole of described second diode D2 is sequentially connected with ground connection after described 5th resistor R5, described 6th resistor R6, first end of described first capacitor C1 is connected with the negative electricity of described second diode D2, the second end ground connection of described first capacitor C1, first end of described 7th resistor R7 is connected with the negative electricity of described second diode D2, the second end ground connection of described 7th resistor R7.
Described 4th electronic circuit includes the 8th resistor R8, 9th resistor R9, tenth resistor R10, 11st resistor R11 and MAX472 chip, the negative pole of described second diode D2 is connected with the RG1 port of described MAX472 chip after connecting described 8th resistor R8, the negative pole of described second diode D2 is sequentially connected with described 9th resistor R9, after described tenth resistor R10, the RG2 port with described MAX472 chip is connected, the OUT terminal mouth of described MAX472 chip be connected with described 11st resistor R11 after ground connection, first port of described second two-terminal adapter is connected between described 9th resistor R9 and the tenth resistor R10.
Described first resistor R1, the second resistor R2, the 3rd resistor R3, the 4th resistor R4, the 5th resistor R5, the 6th resistor R6, the 7th resistor R7, the 8th resistor R8, the 9th resistor R9, the resistance of the tenth resistor R10 and the 11st resistor R11 are respectively 160k Ω, 1.5k Ω, 80k Ω, 80k Ω, 240k Ω, 80k Ω, 10k Ω, 100 Ω, 0.1 Ω, 100 Ω and 20k Ω.Described second audion Q 2 is NPN type triode, and described first audion Q 1 is PNP type triode.The inductance value of described first inducer L1 is 2200 μ H.The capacitance of described first capacitor C1 is 100nF.The base stage of described second audion Q2 connects pulse width modulation (PWM).The SHDN port of described MAX472 chip, NC port and GND port ground connection.Input signal IN0 between described first resistor R1 and the 3rd resistor R3, input signal IN0 between described 5th resistor R5 and described 6th resistor R6, input signal IN2 between OUT terminal mouth and the described 11st resistor R11 of described MAX472 chip.First port ground connection of described first two-terminal adapter, the second port ground connection of described second two-terminal adapter.Described MAX472 chip, it for being converted to information of voltage by current information, then determines current value by described voltage sampling module.
Please with reference to Fig. 3, described PWM control module 21 and described voltage sampling module 24 is integrally disposed includes: STC12C5620AD single-chip microcomputer；12nd resistor R12, one end connects the RST port of described STC12C5620AD single-chip microcomputer, other end ground connection；Second capacitor C2, one end connects the RST port of described STC12C5620AD single-chip microcomputer, and another terminates VCC voltage；3rd capacitor C3 and the one of the 4th capacitor C4, the 3rd capacitor C3 and the 4th capacitor C4 of described parallel connection in parallel terminates the VCC port of described STC12C5620AD single-chip microcomputer and connects VCC voltage, other end ground connection；Oneth SW-PB switchs S1, and one end connects the P1.6/ADC6 interface of described STC12C5620AD single-chip microcomputer；2nd SW-PB switchs S2, and one end connects the P1.6/ADC5 interface of described STC12C5620AD single-chip microcomputer；5th capacitor C5, one end connects the XTAL2 interface of described STC12C5620AD single-chip microcomputer, other end ground connection；Five or six capacitor C6, one end connects the XTAL1 interface of described STC12C5620AD single-chip microcomputer, other end ground connection；And crystal oscillator, one end connects the XTAL2 interface of described STC12C5620AD single-chip microcomputer, and the other end connects the XTAL1 interface of described STC12C5620AD single-chip microcomputer.
The resistance of described 12nd resistor is respectively 10k Ω.Described second capacitor C1, the 3rd capacitor C2, the 4th capacitor C3, the capacitance of the 5th capacitor C4 and the 6th capacitor C5 are respectively 10 μ F, 10 μ F, 0.1 μ F, 18pF and 18pF.The concussion frequency of described crystal oscillator is 12MHz.The P1.2/ADC2 interface of described STC12C5620AD single-chip microcomputer meets defeated signal IN2.The P1.1/ADC1 interface of described STC12C5620AD single-chip microcomputer meets defeated signal IN1.The P1.0/ADC2 interface of described STC12C5620AD single-chip microcomputer meets defeated signal IN0.A described SW-PB switch S1 and another termination VCC voltage of described 2nd SW-PB switch S2.
Output voltage range 3.5 ~ the 7V of described control circuit 20.It is appreciated that when the hot junction 11 when described thermo-electrically groove 10 has and cold end 13 have higher temperature difference, can be with normal output voltage 3.5 ~ 7V.When dropping to certain value along with the temperature difference in hot junction 11 and cold end 13, its output temperature can be less than first threshold, such as 3.5V.At this time, it may be necessary to after being boosted by described Boost conversion module, then mu balanced circuit is controlled.Refer to Fig. 4, described mu balanced circuit includes the 6th capacitor C6, the 7th capacitor C7, the 8th capacitor C8, the 4th diode D4 and LM7805 chip.
In order to ensure that the output voltage of described thermo-electrically groove 10 keeps within the specific limits, need to switch between different thermo-electrically grooves 10.When the input voltage of first thermo-electrically groove 10 is less than Second Threshold (such as, 3.5V), described first water inlet 112, the electric control valve 116/126 of described second water inlet 122 that are not attached in second thermo-electrically groove 10 of described control circuit 20 are opened simultaneously and are started to add hot water and cold water in described hot junction 11 and described cold end 13 respectively.When described input voltage is less than three threshold values (such as, 3.0V), described switching circuit 40 is switched to just to inject in second thermo-electrically groove of hot water and cold water, makes second thermo-electrically groove 10 of described firm injection hot water and cold water be connected to described control circuit 20.Now, the first outlet 114 and the second outlet 124 that are connected to first thermo-electrically groove 10 of described control circuit open the hot water emptied respectively in hot junction 11 and the cold water at cold end 13 before simultaneously.Due to the sensing of temperature, to have the regular hour poor, therefore, it is preferable that three thermo-electrically grooves 10 are set.When being switched to the 3rd thermo-electrically groove 10 from second thermo-electrically groove 10, described first thermo-electrically groove 10 can dispel the heat for a long time, thus realizes trickle charge.Described energy-storage system 100 can farther include a button 25, is used for inputting described Second Threshold or described 3rd threshold value.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent flow process utilizing description of the invention and accompanying drawing content to be made converts, or is directly or indirectly used in other relevant technical field, is the most in like manner included in the scope of patent protection of the present invention.
Claims (10)
1. an energy-storage system based on many thermo-electrically groove, it is characterised in that including:
Multiple thermo-electrically grooves, switching circuit, control circuit and energy-storage module, described switching circuit is connected between described thermo-electrically groove and control circuit, is used for be linked in sequence each thermo-electrically groove and described control circuit；
Described thermo-electrically groove includes hot junction, cold end and is arranged at the thermo-electrically sheet between described hot junction and described cold end, and described hot junction includes that the first water inlet and the first outlet, described cold end include the second water inlet and the second outlet；
Described control circuit includes Boost conversion module, current detection module, PWM control module and voltage sampling module, described Boost conversion module electrically connects with described switching circuit, described current detection module is for obtaining the current information of described Boost conversion module, described voltage sampling module is used for obtaining described thermo-electrically groove, described energy-storage module and the information of voltage of described current detection module, and described information of voltage is transferred to described PWM control module, described PWM control module controls described Boost conversion module according to described information of voltage and charges to described energy-storage module.
Energy-storage system the most according to claim 1, it is characterised in that described current detection module uses MAX472 chip, it for being converted to information of voltage by current information, then determines current value by described voltage sampling module.
Energy-storage system the most according to claim 1, it is characterised in that described PWM control module uses STC12C5620AD single-chip microcomputer.
Energy-storage system the most according to claim 1, it is characterised in that the output voltage range 3.5 ~ 7V of described control circuit.
Energy-storage system the most according to claim 1, it is characterised in that when the input voltage of thermo-electrically groove is less than first threshold, after needing to be boosted by described Boost conversion module, then carries out voltage stabilizing control by LM7805.
Energy-storage system the most according to claim 1, it is characterised in that described first water inlet, described first outlet, described second water inlet and described second outlet farther include electric control valve.
Energy-storage system the most according to claim 6, it is characterized in that, when described input voltage is less than Second Threshold, described first water inlet, the electric control valve of described second water inlet that are not attached in the thermo-electrically groove of described control circuit are opened simultaneously and are started to add hot water and cold water in described hot junction and described cold end respectively.
Energy-storage system the most according to claim 7, it is characterized in that, when described input voltage is less than three threshold values, described switching circuit is switched to just to inject in the thermo-electrically groove of hot water and cold water, makes the thermo-electrically groove of described firm injection hot water and cold water be connected to described control circuit.
Energy-storage system the most according to claim 7, it is characterized in that, in described switching circuit is switched to just to inject the thermo-electrically groove of hot water and cold water, the first outlet and the second outlet that are connected to the thermo-electrically groove of described control circuit open the hot water emptied respectively in hot junction and the cold water at cold end before simultaneously.
Energy-storage system the most according to claim 1, it is characterised in that include three thermo-electrically grooves.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610324009.7A CN105846722B (en) | 2016-05-16 | 2016-05-16 | Energy-storage system based on more thermo-electrically slots |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610324009.7A CN105846722B (en) | 2016-05-16 | 2016-05-16 | Energy-storage system based on more thermo-electrically slots |
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| CN105846722A true CN105846722A (en) | 2016-08-10 |
| CN105846722B CN105846722B (en) | 2018-10-30 |
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| JP2013078175A (en) * | 2011-09-29 | 2013-04-25 | Seiko Instruments Inc | Electronic apparatus |
| CN103219927A (en) * | 2013-03-21 | 2013-07-24 | 中国科学院电工研究所 | Passive power supply for electrical device detection |
| CN203984034U (en) * | 2014-06-17 | 2014-12-03 | 青岛工学院 | A kind of intelligent semi-conductor thermo-electric generation controller |
| CN104567022A (en) * | 2014-12-14 | 2015-04-29 | 安徽建筑大学 | Double-thermoelectric power generation device for solar water heater |
| CN205647301U (en) * | 2016-05-16 | 2016-10-12 | 深圳前海华兆新能源有限公司 | Energy storage system based on heat up - electrolyzer more |
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2016
- 2016-05-16 CN CN201610324009.7A patent/CN105846722B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013078175A (en) * | 2011-09-29 | 2013-04-25 | Seiko Instruments Inc | Electronic apparatus |
| CN103219927A (en) * | 2013-03-21 | 2013-07-24 | 中国科学院电工研究所 | Passive power supply for electrical device detection |
| CN203984034U (en) * | 2014-06-17 | 2014-12-03 | 青岛工学院 | A kind of intelligent semi-conductor thermo-electric generation controller |
| CN104567022A (en) * | 2014-12-14 | 2015-04-29 | 安徽建筑大学 | Double-thermoelectric power generation device for solar water heater |
| CN205647301U (en) * | 2016-05-16 | 2016-10-12 | 深圳前海华兆新能源有限公司 | Energy storage system based on heat up - electrolyzer more |
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