CN103457519A - Waste heat thermoelectric power generation device - Google Patents
Waste heat thermoelectric power generation device Download PDFInfo
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- CN103457519A CN103457519A CN2013103988418A CN201310398841A CN103457519A CN 103457519 A CN103457519 A CN 103457519A CN 2013103988418 A CN2013103988418 A CN 2013103988418A CN 201310398841 A CN201310398841 A CN 201310398841A CN 103457519 A CN103457519 A CN 103457519A
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Abstract
The invention provides a waste heat thermoelectric power generation device which comprises a base. A set of thermoelectric power generation plates are fixed on the base and connected with a control circuit board. The control circuit board is connected with a voltage stabilizing circuit which is connected with a storage battery. The storage battery is connected with a power supply control circuit which is connected with a power supply interface. The control circuit board comprises an input voltage detection circuit, a charging saturation detection circuit and a single-chip microcomputer. The thermoelectric power generation principle is utilized, the thermoelectric power generation plates are combined according to different situations, and the voltage stabilizing circuit outputs appropriate voltages and currents and charges the storage battery. The storage battery can supply a 5V power source to charge other small electric equipment such as a phone and an MP3. Heat utilized by the thermoelectric power generation device is waste heat, the utilization rate of energy can be improved, and the environment-friendly requirement is met.
Description
Technical field
The present invention relates to low power electric power storage power supply unit, be specifically related to a kind of used heat temperature difference electricity generation device.
Background technology
In recent years, sustainable development becomes everybody common recognition.And waste energy utilization is also more and more general in environmental protection.Utilize the temperature difference to be generated electricity, its principle is that in the open circuit of two kinds of different conductors compositions,, if there is the temperature difference in two nodes of conductor, there is electromotive force E in these two ends so, Seebake effect that Here it is, and this electromotive force is thermoelectromotive force.
In prior art, for difference variation, provide the research of stabilized power supply aspect few.For example, someone studied some equipment about thermo-electric generation (as solar energy temperature difference generating set, Yang Baocai, Chinese Patent Application No.: 201210119390.5; Temperature difference electricity generation device, Liu Jiaqiang, Jiang Peng, Zhao Ming, Wang Ning, Chen Jixin, Ren Mingxin, Chinese Patent Application No.: 201210115051.x) the former utilizes solar energy to be generated electricity, the latter utilizes the temperature difference to generate electricity, and these inventions are all more novel, but for used heat, does not utilize aspect.
Summary of the invention
The purpose of this invention is to provide a kind of can be in the used heat occasion (for example, the aiutage of automobile, the place that has the larger temperature difference is waited in the engine outside) temperature difference electricity generation device of generating, this device, in the situation that difference variation also can be powered effectively, and is charged to storage battery.The technical solution used in the present invention is as described below.
A kind of used heat temperature difference electricity generation device, comprise base, wherein, fix one group of thermo-electric generation sheet on base, described one group of thermo-electric generation sheet connects control circuit board, and described control circuit board connects voltage stabilizing circuit, described voltage stabilizing circuit connects storage battery, described storage battery connects power-supplying circuit, and described power-supplying circuit connects power supply interface, comprises input voltage detection circuit, charging saturation detection circuit and single-chip microcomputer on described control circuit board.
Wherein, whether described input voltage detection circuit is greater than 7V for detection of the input voltage obtained in one group of thermo-electric generation sheet and is less than 20V.
Whether the magnitude of voltage that wherein, described charging saturation detection circuit detects described accumulator output end the value of reaching the limitation.
Wherein, two triodes of described single-chip microcomputer connection charge and stop charging for the startup of controlling described storage battery.
Wherein, also be provided with the power supply to its power supply on described control circuit board.
Wherein, a kind of structure of described base is that the stator of a circle connects a fin, and an end and described stator that described one group of thermo-electric generation sheet connects high temperature close on, and the end and the described fin that connect low temperature close on.
Wherein, the another kind of structure of described base is that the stator on a plane connects a fin, and an end and described stator that described one group of thermo-electric generation sheet connects high temperature close on, and the end and the described fin that connect low temperature close on.
Wherein, described one group of thermo-electric generation sheet comprises the thermo-electric generation sheet of some parallel connections or series connection.
Wherein, described power supply interface is the USB power supply interface.
The present invention utilizes the principle of thermo-electric generation, and the thermo-electric generation sheet, according to different situation combinations, is exported to suitable voltage and current by voltage stabilizing circuit, and to charge in batteries.Storage battery can provide the 5V power supply, and the miniature electrical equipment to other charges altogether, as mobile phone, MP3 etc.The heat utilized in the present invention is used heat, can improve the utilance of the energy, reaches the requirement of environmental protection.
The accompanying drawing explanation
Fig. 1 is the circuit diagram of used heat temperature difference electricity generation device in the embodiment of the present invention 1;
Fig. 2 is the schematic diagram of a kind of contour structures of used heat temperature difference electricity generation device in the embodiment of the present invention 1;
Fig. 3 is the schematic diagram of a kind of contour structures of used heat temperature difference electricity generation device in the embodiment of the present invention 2.
Embodiment
Below provide preferred embodiment of the present invention, these embodiment unrestricted content of the present invention.
embodiment 1
Please as shown in Figure 1, a kind of used heat temperature difference electricity generation device as shown in the figure, wherein thermo-electric generation sheet 1,2,3 forms one group of thermo-electric generation sheet, the voltage ratio produced due to single thermo-electric generation sheet is lower, therefore three temperature difference sheets are connected and to obtain larger voltage, (in the present embodiment, adopt three in the present embodiment, specifically can select according to actual conditions the sheet number of thermo-electric generation sheet, and carry out the packet chain connection or parallel connection has reached requirement).Comprise input voltage detection circuit 7, charging saturation detection circuit 8, single-chip microcomputer 9 and power supply B on control circuit board 6.The circuit that power supply B mainly is responsible on control circuit board 6 provides power supply.In its input voltage detection circuit, 7 are responsible for detecting the voltage that has the thermo-electric generation sheet to produce, when the magnitude of voltage produced when 1,2,3 parallel connections of three thermo-electric generation sheets is greater than 7V and while being less than 20V, it is open-minded that single-chip microcomputer 9 is controlled triode 4,5, the end that the voltage that wherein triode 5 connects is higher.Chip 11 in voltage stabilizing circuit 10 adopts the semi-conductive LM7806 three-terminal voltage-stabilizing of ST chip, and capacitor C 1, C2 are respectively 0.03
with 0.1
, the earth terminal in whole circuit is intercommunication.The capacity of storage battery 12 is 6V 12AH, and it can also can power for external loading in electric power storage, and electrode 13 is anodal, and electrode 14 is negative pole.Wherein output a, b are connected with electrode 13,14 respectively, and whether the magnitude of voltage of charging saturation detection circuit 8 by detecting output a, b the value of reaching the limitation, and can judge whether storage battery 12 is full of.If storage battery 12 is full of, single-chip microcomputer 9 effects, disconnect triode 4,5, and charging stops.The control chip adopted in power-supplying circuit 15 is max1898, and the function of this control chip is as follows: 1 voltage accuracy reaches ± and 0.75%; 2. charging current is controlled; 3. be with automatic input power monitor, inner inspection leakage resistance; 4.LED state-of-charge indicator, controlled safe charging time, the functions such as autoboot.Storage battery 12 can be powered to digital product effectively by this power-supplying circuit 15.Wherein power supply interface 16 is the USB power supply interface.
Please as shown in Figure 2, in the present embodiment, in figure, a kind of structure of base is stator 23 connection one fin 25 of a circle, and thermo-electric generation sheet (drawing in figure) connects an end of high temperature and a side 14 of described stator 23 is closed on, and the end and the described fin 25 that connect low temperature close on.Screw 21 and nut 22 match stator 23 are fixed on circular thermal source, as the blast pipe of automobile.In figure, structure 26 is all circuit structures except thermo-electric generation sheet 1,2,3 in embodiment 1.
embodiment 2
Please as shown in Figure 3, in the present embodiment, in figure, a kind of structure of base is stator 31 connection one fin 32 on a plane, and an end and described stator 31 that thermo-electric generation sheet (drawing in figure) connects high temperature close on, and the end and the described fin 32 that connect low temperature close on.Described stator 31 can be pressed close to the plane electro-heat equipments such as enging cabin.In the present embodiment, except the base shape, other circuit structure is all identical with embodiment 1.
In the present embodiment, the area of thermo-electric generation sheet is 16 square centimeters, and when the temperature difference is 40 while spending, open circuit voltage is the 1.9V left and right, open-circuit current 0.568A left and right, and when the temperature difference is 60 while spending, open circuit voltage is the 2.6V left and right, open-circuit current 0.76A left and right.If the temperature difference is 60 degree, can be divided into two groups with six temperature difference sheets, every group of three series connection are that voltage reaches about 7.8V, two groups of parallel connections are that electric current is about 1.5A.After arranging like this, the device normal operation, whether the input voltage that at first the input voltage detection circuit detection obtains from the thermo-electric generation sheet is greater than 7V is less than 20V, if voltage is less than 7V or is greater than 20V, without voltage stabilizing circuit, charge, be greater than 7V and be less than 20V if voltage detected, Single-chip Controlling triode conducting, start to charge in storage battery.If battery detected, be full of, the Single-chip Controlling triode turn-offs, and charging stops.
Claims (9)
1. a used heat temperature difference electricity generation device, comprise base, it is characterized in that, fix one group of thermo-electric generation sheet on base, described one group of thermo-electric generation sheet connects control circuit board, and described control circuit board connects voltage stabilizing circuit, described voltage stabilizing circuit connects storage battery, described storage battery connects power-supplying circuit, and described power-supplying circuit connects power supply interface, comprises input voltage detection circuit, charging saturation detection circuit and single-chip microcomputer on described control circuit board.
2. used heat temperature difference electricity generation device as claimed in claim 1, is characterized in that, whether described input voltage detection circuit is greater than 7V for detection of the input voltage obtained in one group of thermo-electric generation sheet and is less than 20V.
3. used heat temperature difference electricity generation device as claimed in claim 1, is characterized in that, whether the magnitude of voltage that described charging saturation detection circuit detects described accumulator output end the value of reaching the limitation.
4. used heat temperature difference electricity generation device as claimed in claim 1, is characterized in that, described single-chip microcomputer connects two triodes and charges and stop charging for the startup of controlling described storage battery.
5. used heat temperature difference electricity generation device as claimed in claim 1, is characterized in that, also is provided with the power supply to its power supply on described control circuit board.
6. used heat temperature difference electricity generation device as claimed in claim 1, it is characterized in that, a kind of structure of described base is that the stator of a circle connects a fin, and an end and described stator that described one group of thermo-electric generation sheet connects high temperature close on, and the end and the described fin that connect low temperature close on.
7. used heat temperature difference electricity generation device as claimed in claim 1, it is characterized in that, the another kind of structure of described base is that the stator on a plane connects a fin, and an end and described stator that described one group of thermo-electric generation sheet connects high temperature close on, and the end and the described fin that connect low temperature close on.
8. used heat temperature difference electricity generation device as claimed in claim 1, is characterized in that, described one group of thermo-electric generation sheet comprises the thermo-electric generation sheet of some parallel connections or series connection.
9. used heat temperature difference electricity generation device as claimed in claim 1, is characterized in that, described power supply interface is the USB power supply interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103988418A CN103457519A (en) | 2013-02-21 | 2013-09-05 | Waste heat thermoelectric power generation device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310056170 | 2013-02-21 | ||
| CN201310056170.7 | 2013-02-21 | ||
| CN2013103988418A CN103457519A (en) | 2013-02-21 | 2013-09-05 | Waste heat thermoelectric power generation device |
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| CN103457519A true CN103457519A (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013103988418A Pending CN103457519A (en) | 2013-02-21 | 2013-09-05 | Waste heat thermoelectric power generation device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048616A (en) * | 2015-07-22 | 2015-11-11 | 陕西凌云电器集团有限公司 | Emergency charging device utilizing temperature difference of field heat source to generate electricity |
| CN110098626A (en) * | 2019-06-14 | 2019-08-06 | 北方民族大学 | One kind is based on thermo-electric generation and modular powersupply system and its operation method |
| CN117145633A (en) * | 2023-10-31 | 2023-12-01 | 中国航发四川燃气涡轮研究院 | Thermoelectric effect-based waste heat recovery system for aero-engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1732333A (en) * | 2002-12-26 | 2006-02-08 | 丰田自动车株式会社 | Exhaust system |
| US20080258694A1 (en) * | 2007-04-19 | 2008-10-23 | Quist Gregory M | Methods and apparatuses for power generation in enclosures |
| CN101701873A (en) * | 2009-11-13 | 2010-05-05 | 武汉理工大学 | Automobile engine tail gas waste-heat and electricity converting stand test device and method for controlling same |
-
2013
- 2013-09-05 CN CN2013103988418A patent/CN103457519A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1732333A (en) * | 2002-12-26 | 2006-02-08 | 丰田自动车株式会社 | Exhaust system |
| US20080258694A1 (en) * | 2007-04-19 | 2008-10-23 | Quist Gregory M | Methods and apparatuses for power generation in enclosures |
| CN101701873A (en) * | 2009-11-13 | 2010-05-05 | 武汉理工大学 | Automobile engine tail gas waste-heat and electricity converting stand test device and method for controlling same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048616A (en) * | 2015-07-22 | 2015-11-11 | 陕西凌云电器集团有限公司 | Emergency charging device utilizing temperature difference of field heat source to generate electricity |
| CN110098626A (en) * | 2019-06-14 | 2019-08-06 | 北方民族大学 | One kind is based on thermo-electric generation and modular powersupply system and its operation method |
| CN117145633A (en) * | 2023-10-31 | 2023-12-01 | 中国航发四川燃气涡轮研究院 | Thermoelectric effect-based waste heat recovery system for aero-engine |
| CN117145633B (en) * | 2023-10-31 | 2024-01-19 | 中国航发四川燃气涡轮研究院 | Thermoelectric effect-based waste heat recovery system for aero-engine |
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Application publication date: 20131218 |