CN105846722B - Energy-storage system based on more thermo-electrically slots - Google Patents
Energy-storage system based on more thermo-electrically slots Download PDFInfo
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- CN105846722B CN105846722B CN201610324009.7A CN201610324009A CN105846722B CN 105846722 B CN105846722 B CN 105846722B CN 201610324009 A CN201610324009 A CN 201610324009A CN 105846722 B CN105846722 B CN 105846722B
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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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of energy-storage system based on more thermo-electrically slots, including：Multiple thermo-electrically slots, switching circuit, control circuit and energy-storage module, switching circuit is for be linked in sequence each thermo-electrically slot and control circuit；Thermo-electrically slot includes hot junction, cold end and the thermo-electrically piece being set between hot junction and cold end, and hot junction includes the first water inlet and the first water outlet, and cold end includes the second water inlet and the second water outlet；Control circuit includes Boost conversion modules, current detection module, PWM control modules and voltage sampling module, Boost conversion modules are electrically connected with switching circuit, current detection module is used to obtain the current information of Boost conversion modules, voltage sampling module is used to obtain the information of voltage of thermo-electrically slot, energy-storage module and current detection module, and information of voltage is transferred to PWM control modules, PWM control modules control Boost conversion modules according to information of voltage and charge to energy-storage module.
Description
Technical field
The present invention relates to a kind of energy-storage systems based on more thermo-electrically slots.
Background technology
Thermoelectric material is a kind of functional material that can mutually convert thermal energy and electric energy, the Seebeck effect found in 1823
The peltier effect found with 1834 provides theoretical foundation for the application of thermoelectric energy converters and thermoelectric cooling.With sky
Between the increase of exploration interest, the progress of Medical Physics and be difficult to increasingly increased resource survey and Exploratory behavior in the earth,
Need exploitation is a kind of itself can energize and be not necessarily to the power-supply system looked after, thermoelectric power generation is particularly suitable these applications.
It is used equally for thermoelectric power generation using the nature temperature difference and industrial waste heat, it can utilize non-polluting energy existing for nature
Source has good comprehensive social benefit.In addition, being used to prepare micro power, micro- using micro element prepared by thermoelectric material
Area is cooling, optical communication laser diode and infrared sensor thermoregulating system, has expanded the application field of thermoelectric material significantly.
Therefore, thermoelectric material is a kind of material of extensive application foreground, in today of environmental pollution and energy crisis getting worse,
The research for carrying out new thermoelectric materials has very strong realistic meaning and market prospects.
However, the generating voltage of thermoelectric power generation is unstable, voltage can reduce with temperature and be declined, it is difficult to be carried out continuously charging
Or use, it limits it and further applies.
Invention content
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of energy-storage system based on more thermo-electrically slots, including：
Multiple thermo-electrically slots, switching circuit, control circuit and energy-storage module, the switching circuit are connected to the thermo-electrically
Between slot and control circuit, for each thermo-electrically slot and the control circuit of being linked in sequence；
The thermo-electrically slot includes hot junction, cold end and the thermo-electrically piece being set between the hot junction and the cold end, institute
It includes the first water inlet and the first water outlet to state hot junction, and the cold end includes the second water inlet and the second water outlet；
The control circuit includes Boost conversion modules, current detection module, PWM control modules and voltage sampling mould
Block, the Boost conversion modules are electrically connected with the switching circuit, and the current detection module becomes for obtaining the Boost
The current information of block is changed the mold, the voltage sampling module is for obtaining the thermo-electrically slot, the energy-storage module and the electric current
The information of voltage of detection module, and the information of voltage is transferred to the PWM control modules, the PWM control modules according to
The information of voltage controls the Boost conversion modules and charges to the energy-storage module.
Preferably, the current detection module uses MAX472 chips, is used to current information being converted to information of voltage,
Current value is determined by the voltage sampling module again.
Preferably, the PWM control modules use STC12C5620AD microcontrollers.
Preferably, 3.5 ~ 7V of output voltage range of the control circuit.
Preferably, it when input voltage is less than first threshold, needs after being boosted by the Boost conversion modules,
Then voltage stabilizing control is carried out by LM7805.
Preferably, first water inlet, first water outlet, second water inlet and second water outlet
Further comprise electric control valve.
Preferably, it when the input voltage is less than second threshold, is not attached in the thermo-electrically slot of the control circuit
First water inlet, second water inlet electric control valve open simultaneously and start to add in the hot junction and the cold end respectively
Enter hot water and cold water.
Preferably, when the input voltage is less than third threshold value, the switching circuit is switched to just injection hot water and cold
In the thermo-electrically slot of water, the thermo-electrically slot of the rigid injection hot water and cold water is made to be connected to the control circuit.
Preferably, it just injects in the thermo-electrically slot of hot water and cold water, is connected to before described when the switching circuit is switched to
The first water outlet and the second water outlet of the thermo-electrically slot of control circuit, which open simultaneously, to be emptied respectively in the hot water in hot junction and in cold end
Cold water.
Preferably, including three thermo-electrically slots.
Beneficial effects of the present invention are：Energy-storage system provided by the invention based on more thermo-electrically slots is cut by described
Changing circuit can switch between multiple thermo-electrically slots, to obtain the voltage of steady and continuous, extend its application.In addition, control
Voltage sampling module in circuit processed is to input, output voltage real-time sampling, by changing duty ratio proof load or energy storage mould
Block charging voltage is basicly stable.
Description of the drawings
Fig. 1 is the structural schematic diagram of the energy-storage system of more thermo-electrically slots provided in an embodiment of the present invention.
Fig. 2 is Boost conversion modules and current detecting in the energy-storage system of more thermo-electrically slots provided in an embodiment of the present invention
The circuit diagram of module.
Fig. 3 is PWM control modules and the voltage in the energy-storage system of more thermo-electrically slots provided in an embodiment of the present invention
The circuit diagram of sampling module.
Fig. 4 is the circuit diagram of the Voltage stabilizing module in the energy-storage system of more thermo-electrically slots provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Please with reference to Fig. 1, a kind of energy-storage system 100 based on more thermo-electrically slots, including：Multiple thermo-electrically slots 10, switching
Circuit 40, control circuit 20 and energy-storage module 30, the switching circuit 40 are connected to the thermo-electrically slot 10 and control circuit
Between 20, for each thermo-electrically slot 10 and the control circuit 20 of being linked in sequence.
The thermo-electrically slot includes hot junction 11, cold end 13 and the heat-being set between the hot junction 11 and the cold end 13
Electric piece 12.The hot junction 11 includes the first water inlet 112 and the first water outlet 114, and the cold end 13 includes the second water inlet
122 and second water outlet 124.First water inlet 112, first water outlet 114, second water inlet 122 with
And second water outlet 124 further comprises electric control valve 116/118/126/128, for controlling the hot junction 11 or described
The disengaging of the hot water or cold water of cold end 13.
The control circuit 20 includes Boost conversion modules 22, current detection module 23, PWM control modules 21 and electricity
Press sampling module 24.The Boost conversion modules 22 are electrically connected with the thermo-electrically piece 12.The current detection module 23 is used for
The current information of the Boost conversion modules 22 is obtained, the voltage sampling module 24 is for obtaining the thermo-electrically slot 10, institute
The information of voltage of energy-storage module 30 and the current detection module 23 is stated, and the information of voltage is transferred to the PWM and is controlled
Molding block 21, the PWM control modules 21 control the Boost conversion modules 22 to the energy storage mould according to the information of voltage
Block 30 charges.
Please with reference to Fig. 2, the Boost conversion modules 22 are integrally disposed with current detection module 23 to include：Sequence connects
The first both ends sub-connector, the first sub-circuit, the second sub-circuit, third sub-circuit, the 4th sub-circuit and the second both ends connect
Sub-connector.
First circuit module includes the first diode D1, first resistor device R1, second resistor R2,3rd resistor device
The anode of R3 and third light emitting diode D3, the first diode D1 connect the second end of first both ends sub-connector
Mouthful, the cathode of the first diode D1 is grounded after being sequentially connected the first resistor device R1 and 3rd resistor device R3,
The cathode of the first diode D1 is sequentially connected the anode of the second resistor R2 and the third light emitting diode D3
After be grounded.
Second sub-circuit include the first inductor L1, the 4th resistance R4, the first triode Q1, the second triode Q2 with
And second the cathode of diode D2, the first diode D1 be sequentially connected the 4th resistance R4, the second triode Q2
Collector after be grounded by the emitter of the second triode Q2, the cathode of the first diode D1 is sequentially connected described
First inductor L1, the first triode Q1 emitter after by the grounded collector of the first triode Q1, it is described
The collector of second triode Q2 is connect with the base stage of the first triode Q1, the second diode D2 anode with it is described
The emitter of first inductor L1 and the first triode Q1 connect.
The third sub-circuit includes the 5th resistor R5, the 6th resistor R6, the first capacitor C1 and the 7th resistance
The cathode of device R7, the second diode D2 are grounded after being sequentially connected the 5th resistor R5, the 6th resistor R6, institute
The first end for stating the first capacitor C1 is electrically connected with the cathode of the second diode D2, the second end of the first capacitor C1
Ground connection, the first end of the 7th resistor R7 are electrically connected with the cathode of the second diode D2, the 7th resistor R7
Second end ground connection.
4th sub-circuit includes the 8th resistor R8, the 9th resistor R9, the tenth resistor R10, eleventh resistor
Device R11 and MAX472 chip, the cathode of the second diode D2 connect after the 8th resistor R8 with the MAX472
The ports RG1 of chip connect, and the cathode of the second diode D2 is sequentially connected the 9th resistor R9, the tenth resistance
It is connect with the ports RG2 of the MAX472 chips after device R10, OUT terminal mouth and the eleventh resistor of the MAX472 chips
It is grounded after device R11 connections, the first port of second both ends sub-connector is connected to the 9th resistor R9 and the tenth
Between resistor R10.
The first resistor device R1, second resistor R2,3rd resistor device R3, the 4th resistor R4, the 5th resistor R5,
6th resistor R6, the 7th resistor R7, the 8th resistor R8, the 9th resistor R9, the electricity of the tenth resistor R10 and the 11st
The resistance value of resistance device R11 be 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.The second triode Q 2 is NPN type triode, and the first triode Q 1 is PNP type triode.
The inductance value of the first inductor L1 is 2200 μ H.The capacitance of the first capacitor C1 is 100nF.Two or three pole
The base stage connection pulse width modulation of pipe Q2（PWM）.The ports SHDN, the ports NC and the ports GND of the MAX472 chips connect
Ground.Input signal IN0 between the first resistor device R1 and 3rd resistor device R3, the 5th resistor R5 and the 6th electricity
Input signal IN0 between resistance device R6, inputs letter between the OUT terminal mouth of the MAX472 chips and the eleventh resistor device R11
Number IN2.The first port of first both ends sub-connector is grounded, the second port ground connection of second both ends sub-connector.
The MAX472 chips are used to current information being converted to information of voltage, then determine electric current by the voltage sampling module
Value.
Please with reference to Fig. 3, the PWM control modules 21 and voltage sampling module 24 is integrally disposed includes：
STC12C5620AD microcontrollers；Twelfth resistor device R12, one end connect the ports RST of the STC12C5620AD microcontrollers, separately
One end is grounded；Second capacitor C2, one end connect the ports RST of the STC12C5620AD microcontrollers, another termination VCC electricity
Pressure；Third capacitor C3 and the 4th capacitor C4 in parallel, the one of the third capacitor C3 and the 4th capacitor C4 of the parallel connection
It terminates the ports VCC of the STC12C5620AD microcontrollers and connects VCC voltages, other end ground connection；First SW-PB switch S1, one
End connects the P1.6/ADC6 interfaces of the STC12C5620AD microcontrollers；2nd SW-PB switch S2, one end connection described in
The P1.6/ADC5 interfaces of STC12C5620AD microcontrollers；5th capacitor C5, one end connect the STC12C5620AD microcontrollers
XTAL2 interfaces, the other end ground connection；Five or six capacitor C6, the XTAL1 that one end connects the STC12C5620AD microcontrollers connect
Mouthful, other end ground connection；And crystal oscillator, one end connect the XTAL2 interfaces of the STC12C5620AD microcontrollers, the other end
Connect the XTAL1 interfaces of the STC12C5620AD microcontrollers.
The resistance value of the twelfth resistor device is respectively 10k Ω.The second capacitor C1, third capacitor C2, the 4th
The capacitance of capacitor C3, the 5th capacitor C4 and the 6th capacitor C5 be respectively 10 μ F, 10 μ F, 0.1 μ F, 18pF and
18pF.The concussion frequency of the crystal oscillator is 12MHz.The P1.2/ADC2 interfaces of the STC12C5620AD microcontrollers connect
Defeated signal IN2.The P1.1/ADC1 interfaces of the STC12C5620AD microcontrollers meet defeated signal IN1.The STC12C5620AD is mono-
The P1.0/ADC2 interfaces of piece machine meet defeated signal IN0.The first SW-PB switches S1's and the 2nd SW-PB switches S2 is another
Terminate VCC voltages.
3.5 ~ 7V of output voltage range of the control circuit 20.It is appreciated that working as the hot junction that the thermo-electrically slot 10 has
11 and cold end 13 have higher temperature difference when, can be with 3.5 ~ 7V of normal output voltage.With the temperature difference in hot junction 11 and cold end 13
When dropping to certain value, output temperature can be less than first threshold, such as 3.5V.At this time, it may be necessary to be converted by the Boost
After module is boosted, then regulator circuit is controlled.Please refer to Fig. 4, the regulator circuit includes the 6th capacitor C6, the
Seven capacitor C7, the 8th capacitor C8, the 4th diode D4 and LM7805 chip.
In order to ensure that the output voltage of the thermo-electrically slot 10 keeps in a certain range, needing in different thermo-electrically slots
It is switched between 10.When the input voltage of first thermo-electrically slot 10 is less than second threshold（For example, 3.5V）, it is not attached to
First water inlet 112, second water inlet 122 in second thermo-electrically slot 10 of the control circuit 20 it is automatically controlled
Valve 116/126, which opens simultaneously, starts that hot water and cold water is added in the hot junction 11 and the cold end 13 respectively.When the input
When voltage is less than third threshold value（For example, 3.0V）, the switching circuit 40 be switched to just injection hot water and cold water second heat-
In electric slot, second thermo-electrically slot 10 of the rigid injection hot water and cold water is made to be connected to the control circuit 20.At this point, before
The first water outlet 114 and the second water outlet 124 for being connected to first thermo-electrically slot 10 of the control circuit open simultaneously difference
Empty the hot water in hot junction 11 and the cold water in cold end 13.Since to have a regular hour poor for the sensing of temperature, therefore, it is preferable that it sets
Set three thermo-electrically slots 10.When being switched to third thermo-electrically slot 10 from second thermo-electrically slot 10, first thermo-electrically slot
10 can be radiated for a long time, to realize trickle charge.The energy-storage system 100 can further comprise a button 25,
For inputting the second threshold or the third threshold value.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent process transformation made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant technical fields,
Similarly it is included within the scope of the present invention.
Claims (5)
1. a kind of energy-storage system based on more thermo-electrically slots, which is characterized in that including：Multiple thermo-electrically slots, switching circuit, control electricity
Road and energy-storage module, the switching circuit is connected between the thermo-electrically slot and control circuit, each for being linked in sequence
Thermo-electrically slot and the control circuit；The thermo-electrically slot includes hot junction, cold end and is set to the hot junction and the cold end
Between thermo-electrically piece, the hot junction include the first water inlet and the first water outlet, the cold end include the second water inlet and
Second water outlet；First water inlet, first water outlet, second water inlet and second water outlet are into one
Step includes electric control valve；The control circuit includes Boost conversion modules, current detection module, PWM control modules and voltage
Sampling module, the Boost conversion modules are electrically connected with the switching circuit, and the current detection module is described for obtaining
The current information of Boost conversion modules, the voltage sampling module for obtain the thermo-electrically slot, the energy-storage module and
The information of voltage of the current detection module, and the information of voltage is transferred to the PWM control modules, the PWM controls
Module controls the Boost conversion modules according to the information of voltage and charges to the energy-storage module；When the input electricity of thermo-electrically slot
It when pressure is less than first threshold, needs after being boosted by the Boost conversion modules, voltage stabilizing control is then carried out by LM7805
System；When the input voltage be less than second threshold when, be not attached in the thermo-electrically slot of the control circuit it is described first water inlet
Mouthful, the electric control valve of second water inlet opens simultaneously and starts that hot water and cold is added in the hot junction and the cold end respectively
Water；When the input voltage is less than third threshold value, the switching circuit is switched to the thermo-electrically slot of just injection hot water and cold water
In, so that the thermo-electrically slot of the rigid injection hot water and cold water is connected to the control circuit, wherein the output of the control circuit
3.5~7V of voltage range；The second threshold is 3.5V, and the third threshold value is 3.0V.
2. energy-storage system according to claim 1, which is characterized in that the current detection module uses MAX472 chips,
It is used to current information being converted to information of voltage, then determines current value by the voltage sampling module.
3. energy-storage system according to claim 1, which is characterized in that the PWM control modules use STC12C5620AD
Microcontroller.
4. energy-storage system according to claim 1, which is characterized in that when the switching circuit be switched to just injection hot water and
In the thermo-electrically slot of cold water, it is connected to the first water outlet of the thermo-electrically slot of the control circuit before and the second water outlet while beating
It opens and empties the hot water in hot junction and the cold water in cold end respectively.
5. energy-storage system according to claim 1, which is characterized in that including three 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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| 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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| Publication Number | Publication Date |
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| CN105846722A CN105846722A (en) | 2016-08-10 |
| CN105846722B true CN105846722B (en) | 2018-10-30 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013078175A (en) * | 2011-09-29 | 2013-04-25 | Seiko Instruments Inc | Electronic apparatus |
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2016
- 2016-05-16 CN CN201610324009.7A patent/CN105846722B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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