CN103904939A - Thermoelectric power generation system for automatic faucet - Google Patents
Thermoelectric power generation system for automatic faucet Download PDFInfo
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- CN103904939A CN103904939A CN201210586064.5A CN201210586064A CN103904939A CN 103904939 A CN103904939 A CN 103904939A CN 201210586064 A CN201210586064 A CN 201210586064A CN 103904939 A CN103904939 A CN 103904939A
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Abstract
The invention provides a thermoelectric power generation system for an automatic faucet. The thermoelectric power generation system comprises a thermoelectric power generation module providing a power supply for a valve of the automatic faucet, the output end of the thermoelectric power generation module is connected with a power supply conversion unit, the power supply conversion unit is connected with a super capacitor, and the power supply conversion unit is connected with a diode in parallel. Due to the fact that the thermoelectric power generation module is connected with the power supply conversion unit, the super capacitor and the diode, the power supply conversion unit outputs the stable power supply, the super capacitor is quickly charged through the diode, transient current is made to be higher than 300 mA through the super capacitor, and the valve of the automatic faucet can be driven.
Description
Technical field
The present invention relates to automatic faucet field, relate in particular to a kind of thermo-electric generation system for automatic faucet.
Background technology
Current existing automatic faucet adopts powered battery substantially, and the electric weight of battery is limited, need to regularly replace battery, is unfavorable for the saving of the energy.In addition, the manufacture of battery and recovery, can cause the pollution of environment.
Current existing temperature-difference power generation module can be applied on automatic faucet, for automatic faucet provides power supply, starts the valve of tap.Thermo-electric generation is by two kinds of different electric conductors or semi-conductive temperature contrast and cause the pyroelectric phenomena of two kinds of voltage differences between material.The electric weight of its generation depends on conversion efficiency, the surface temperature of thermo-electric generation sheet poor and action time.
Conventionally the startup of valve need to be greater than 300mA immediate current, and the maximum supply current of temperature-difference power generation module is 4mA, and it is obviously impossible only depending on temperature-difference power generation module to power.And existing temperature-difference power generation module is generally straight channel, runner is shorter, and flowing material passes through thermo-electric generation sheet surface fast, and the time of staying is short, and the efficiency of conversion is low.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of and can start valve, the thermo-electric generation system for automatic faucet that conversion efficiency is high.
Technical scheme of the present invention provides a kind of thermo-electric generation system for automatic faucet, the valve that is included as described automatic faucet provides the temperature-difference power generation module of power supply, the output of described temperature-difference power generation module connects power conversion unit, described power conversion unit is connected with super capacitor, and described power conversion unit is in parallel with described diode.
Preferably, described power conversion unit is LTC3108.
Preferably, the model of described super capacitor is 5V1.5F.
Preferably, described diode is bypass Schottky diode.
Preferably, described power conversion unit is also in series with rechargeable battery.
Preferably, the thin slice lithium battery of 3.7V when described rechargeable battery is 240mA.
Preferably, described temperature-difference power generation module further comprise hot flow path chamber, cold runner chamber and be clamped in described hot flow path chamber and described cold runner chamber between thermo-electric generation sheet, on described hot flow path chamber and described cold runner chamber, be equipped with import and outlet, described import and described outlet are communicated with by curved channel.
Preferably, described curved channel is snakelike.
Preferably, described curved channel is dish type.
Adopt after technique scheme, there is following beneficial effect: because temperature-difference power generation module has connected power conversion unit, super capacitor and diode, power conversion unit stable output power supply, diode is super capacitor fast charging, super capacitor makes immediate current be greater than 300mA, can drive the valve of automatic faucet.
Brief description of the drawings
Fig. 1 is the circuit diagram of thermo-electric generation system in one embodiment of the invention;
Fig. 2 is the partial circuit figure of thermo-electric generation system in one embodiment of the invention;
Fig. 3 is the stereogram of temperature-difference power generation module in one embodiment of the invention;
Fig. 4 is the explosive view of temperature-difference power generation module in one embodiment of the invention;
Fig. 5 is the transverse sectional view of temperature-difference power generation module in one embodiment of the invention;
Fig. 6 is the longitudinal sectional view of temperature-difference power generation module in one embodiment of the invention;
Fig. 7 is the stereogram of temperature-difference power generation module in another embodiment of the present invention;
Fig. 8 is the longitudinal sectional view of temperature-difference power generation module in another embodiment of the present invention.
The Reference numeral table of comparisons:
Embodiment
Further illustrate the specific embodiment of the present invention below in conjunction with accompanying drawing.
In the present embodiment, as shown in Figure 1-2, the valve (not shown) that thermo-electric generation system is included as automatic faucet provides the temperature-difference power generation module 1 of power supply, the output of temperature-difference power generation module 1 connects the element in power conversion unit 2(dotted line frame), power conversion unit 2 is connected with super capacitor 3, and power conversion unit 2 is in parallel with diode 4.
Because temperature-difference power generation module 1 has connected power conversion unit 2, super capacitor 3 and diode 4, power conversion unit 2 stable output power supplys, diode 4 is super electric 3 appearance quick charges, and super capacitor 3 makes immediate current be greater than 300mA, can drive the valve of automatic faucet.
Preferably, power conversion unit 2 is selected the LTC3108 of LINEAR company.LTC3108 is the integrated DC/DC transducer of a height, is very suitable for collecting and managing the dump energy from the utmost point low input power supply such as such as TEG (thermoelectric generator), thermoelectric pile and small-sized solar battery.The booster type topological structure that this device adopts can normal operation in the situation that input voltage is low to moderate 20mV.
Preferably, the model of super capacitor 3 is 5V1.5F.Certainly other jumbo super capacitors also go for the present invention.
Preferably, diode 4 is bypass Schottky diode, and the pipe of this diode is pressed less, and loss is little.
In the present embodiment, as shown in Figure 2, power conversion unit 2 is also in series with rechargeable battery 5.Rechargeable battery 5 provides power supply for starting for the first time valve.After temperature-difference power generation module 1 work, for rechargeable battery 5 charges, in the time that temperature-difference power generation module 1 quits work, rechargeable battery 5 also can be used as back-up source and uses.
Preferably, the thin slice lithium battery of 3.7V when rechargeable battery 5 is 240mA.Can certainly be other rechargeable batteries.
In the present embodiment, as in Figure 3-5, temperature-difference power generation module 1 further comprise hot flow path chamber 11, cold runner chamber 12 and be clamped in hot flow path chamber 11 and cold runner chamber 12 between thermo-electric generation sheet 13, on hot flow path chamber 11 and cold runner chamber 12, be equipped with import 14 and outlet 15, import 14 and outlet 15 are passed through curved channel 16(referring to Fig. 6) be communicated with.The outer surface in hot flow path chamber 11 and cold runner chamber 12 is coated with respectively cover plate 17, cover plate 17 is also provided with 18, four bolts 19 of sealing ring with hot flow path chamber 11 and cold runner chamber 12 and is connected temperature-difference power generation module 1 through packing ring 20, cover plate 17, hot flow path chamber 11, thermo-electric generation sheet 13, cold runner chamber 12, cover plate 17 with nut 21 successively.Because runner 16 is bending, when liquid is flowed through curved channel 16, increase for 13 times of contact with thermo-electric generation sheet, produce also corresponding increase of electric weight, improve conversion efficiency.
In the present embodiment, as shown in Figure 6, curved channel 16 for carrying out the snakelike of back bending folding on both direction.
Preferably, as Figure 7-8, curved channel 16 can be also disc, in the shape of a spiral.Curved channel 16 can also be other shapes, as long as can increase and time of contact of thermo-electric generation sheet 13, all belongs to protection scope of the present invention.
Above-described is only principle of the present invention and preferred embodiment.It should be pointed out that for the person of ordinary skill of the art, on the basis of the principle of the invention, can also make some other modification, also should be considered as protection scope of the present invention.
Claims (9)
1. the thermo-electric generation system for automatic faucet, the valve that is included as described automatic faucet provides the temperature-difference power generation module of power supply, it is characterized in that, the output of described temperature-difference power generation module connects power conversion unit, described power conversion unit is connected with super capacitor, and described power conversion unit is in parallel with described diode.
2. thermo-electric generation system according to claim 1, is characterized in that, described power conversion unit is LTC3108.
3. thermo-electric generation system according to claim 1, is characterized in that, the model of described super capacitor is 5V1.5F.
4. thermo-electric generation system according to claim 1, is characterized in that, described diode is bypass Schottky diode.
5. thermo-electric generation system according to claim 1, is characterized in that, described power conversion unit is also in series with rechargeable battery.
6. thermo-electric generation system according to claim 5, is characterized in that, the thin slice lithium battery of 3.7V when described rechargeable battery is 240mA.
7. thermo-electric generation system according to claim 1, it is characterized in that, described temperature-difference power generation module further comprise hot flow path chamber, cold runner chamber and be clamped in described hot flow path chamber and described cold runner chamber between thermo-electric generation sheet, on described hot flow path chamber and described cold runner chamber, be equipped with import and outlet, described import and described outlet are communicated with by curved channel.
8. thermo-electric generation system according to claim 7, is characterized in that, described curved channel is snakelike.
9. thermo-electric generation system according to claim 7, is characterized in that, described curved channel is dish type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210586064.5A CN103904939A (en) | 2012-12-28 | 2012-12-28 | Thermoelectric power generation system for automatic faucet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210586064.5A CN103904939A (en) | 2012-12-28 | 2012-12-28 | Thermoelectric power generation system for automatic faucet |
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| CN103904939A true CN103904939A (en) | 2014-07-02 |
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| CN201210586064.5A Pending CN103904939A (en) | 2012-12-28 | 2012-12-28 | Thermoelectric power generation system for automatic faucet |
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Cited By (5)
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| WO2016155336A1 (en) * | 2015-04-02 | 2016-10-06 | 深圳市雅恩卫浴洁具有限公司 | Light-emitting device for faucet and light-emitting faucet |
| CN106369216A (en) * | 2015-07-24 | 2017-02-01 | 深圳市雅恩卫浴洁具有限公司 | Water faucet temperature regulating device and water faucet |
| WO2018218372A1 (en) * | 2017-06-01 | 2018-12-06 | M.I.S. Electronics Inc. | Fluid dispensing system |
| WO2019243770A1 (en) * | 2018-06-20 | 2019-12-26 | Kohler Mira Limited | Energy recovery |
| EP4286612A1 (en) | 2022-06-02 | 2023-12-06 | Ideal Standard International NV | Sanitary installation with thermoelectric device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016155336A1 (en) * | 2015-04-02 | 2016-10-06 | 深圳市雅恩卫浴洁具有限公司 | Light-emitting device for faucet and light-emitting faucet |
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| US11346089B2 (en) | 2017-06-01 | 2022-05-31 | M.I.S. Electronics Inc. | Fluid dispensing system |
| WO2019243770A1 (en) * | 2018-06-20 | 2019-12-26 | Kohler Mira Limited | Energy recovery |
| EP4286612A1 (en) | 2022-06-02 | 2023-12-06 | Ideal Standard International NV | Sanitary installation with thermoelectric device |
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Application publication date: 20140702 |