CN103368470A - Waste heat recovery device - Google Patents
Waste heat recovery device Download PDFInfo
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- CN103368470A CN103368470A CN2013102994267A CN201310299426A CN103368470A CN 103368470 A CN103368470 A CN 103368470A CN 2013102994267 A CN2013102994267 A CN 2013102994267A CN 201310299426 A CN201310299426 A CN 201310299426A CN 103368470 A CN103368470 A CN 103368470A
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- waste heat
- heat recovery
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Abstract
The invention discloses a waste heat recovery device which comprises a microgroove flat plate heat pipe, radiating fins, a thermoelectric power generation piece, a charging protection circuit and a storage battery. One end of the microgroove flat plate heat pipe is attached to a brake heating piece, the other end of the microgroove flat plate heat pipe is attached to the heat side of the thermoelectric power generation piece, the radiating fins are installed on the cold side of the thermoelectric power generation piece, the thermoelectric power generation piece is connected with the charging protection circuit through an electrode, and the charging protection circuit charges the storage battery. The waste heat recovery device saves energy and protects the environment, waste heat of a brake device is recycled to generate electricity through the thermoelectric power generation technology, energy is saved, and additional pollution is not produced; the waste heat recovery device is high in stability, no moving part is arranged, the performance of the device is stable, the device is easy to maintain, and the service life is long; the waste heat recovery device can be applied to various transportation facilities with friction braking, and is wide in application range.
Description
Technical field
The present invention relates to a kind of means of transportation braking waste heat recovery plant, particularly relate to the waste heat recovery plant that a kind of locomotive brake produces.
Background technology
In recent years, the construction of China Express Railway and city underground is carried out in high gear.Wherein also will bring into play larger effect as the locomotive of operation instrument at aspects such as from now on transportation and public transport.Under the overall situation of energy-saving and emission-reduction, along with the scale of the locomotive operation that comprises subway enlarges gradually, energy problem is more outstanding, how effectively to reduce energy resource consumption in the locomotive operation process ever more important that will seem.
Need comparatively continually Acceleration of starting and braking in the short distance operation process of locomotive within comprising subway light rail transportation, suburbs transportation and the intercity transportation again of weakness.In this process, there is a large amount of kinetic energy in braking procedure, to be wasted.More have example to show, proportion sometimes can be up to 40% in total power consumption for this part energy.If the energy of this part waste can be recycled, will greatly reduce the consumption of primary energy, reach the purpose of energy-saving and emission-reduction.
At present domestic and international research of reclaiming for the braking energy of locomotive mainly concentrates on the regenerative braking.Regenerative braking is different from general friction-type braking, realizes that by engine operating condition being converted to the generator operating mode braking of high regime and energy reclaim, and still adopt the friction-type braking during low speed.But present energy recovery mode has certain requirement to the mode of braking, and this requirement has just limited the recovery of the energy; In addition, present energy recovery mode may change original mode of braking, will seek advice height to electric power system.
Summary of the invention
The invention provides and a kind ofly need not change original mode of braking, to original mechanism change less, to the low waste heat recovery plant that requires of electric power system.
For solving the problems of the technologies described above; a kind of waste heat recovery plant of the present invention comprises microflute flat-plate heat pipe, radiating fin, thermo-electric generation sheet, charge protector and storage battery; wherein an end of microflute flat-plate heat pipe is fitted with the braking heat generating member; the hot side of the microflute flat-plate heat pipe other end and thermo-electric generation sheet is fitted; radiating fin is contained in the cold side of thermo-electric generation sheet; the thermo-electric generation sheet is connected with charge protector by electrode, and charge protector charges to storage battery.
Preferably, described temperature difference fever tablet has a plurality of temperature difference fever tablet series connection to consist of.
Preferably, described thermo-electric generation sheet comprises that a plurality of semiconductor thermoelectrics that are in series by N type semiconductor and P type semiconductor are to, electrode layer, heat conductive insulating layer and positive and negative electrode, wherein electrode layer covers semiconductor thermoelectric to both sides, with above-mentioned a plurality of semiconductor thermoelectrics to being linked to be the loop, positive and negative electrode by the thermo-electric generation sheet is drawn, the heat conductive insulating layer covers the outside of above-mentioned two electrode layers, consists of cold side and the hot side of thermo-electric generation sheet.Wherein, described N type semiconductor material is Bi
2Te
3-Sb
2Te
3, described P type semiconductor material is Bi
2Te
3-Bi
2Se
3Described semiconductor thermoelectric is to being column, and the right length of semiconductor thermoelectric is that 1 millimeter～2 millimeters, width are 1 millimeter～2 millimeters, highly are 2 millimeters～4 millimeters; The heat conductive insulating layer is Al
2O
3Ceramic sheet.
Preferably, described charge protector also comprises output interface, and output interface is connected with voltage regulator control circuit, and voltage regulator control circuit can externally be exported the electric energy that stores in the storage battery.
Preferably, described storage battery is two joint lithium batteries of series connection, and rated voltage is 4.2 volts, and capacity is 2000 MAHs～2800 MAHs.
Preferably, radiating fin is the aluminum radiating fin, is of a size of 90 millimeters * 90 millimeters * 30 millimeters.
Preferably, the microflute flat-plate heat pipe is of a size of 240 millimeters * 110 millimeters * 20 millimeters.
Waste heat recovery plant of the present invention utilizes the microflute flat-plate heat pipe at first used heat to be collected, and the heat radiation of having strengthened braking member realizes the recovery of used heat simultaneously, and produces without hot flue gas; Simultaneously, the characteristics of strong natural wind are arranged during in conjunction with locomotive operation, adopt air-cooledly as thermo-electric generation sheet cold side radiating mode, utilize natural wind in the driving process to the heat radiation of the cold side of thermo-electric generation sheet, guarantee the low temperature of thermo-electric generation sheet cold side.
Waste heat recovery plant energy-conserving and environment-protective of the present invention utilize the thermo-electric generation technology to realize the recovery of brake apparatus used heat is generated electricity, and energy savings does not produce extra pollution; Stability is high: device is without dynamic component, and stable performance is easy to safeguard long service life; Can be applicable to has the wide scope of application on the various means of transportations that have a friction catch.
Description of drawings
Fig. 1 is waste heat recovery plant structural representation of the present invention;
Fig. 2 is waste heat recovery plant thermo-electric generation chip architecture schematic diagram of the present invention.
Description of reference numerals in the waste heat recovery plant accompanying drawing of the present invention:
1-heat generating member 2-microflute flat-plate heat pipe 3-radiating fin
4-thermo-electric generation sheet 5-charge protector 6-storage battery
7-switch 8-voltage regulator control circuit 9-USB interface
10-cold side Al
2O
3Ceramic sheet 11-hot junction Al
2O
3Ceramic sheet 12-electrode
13-P type semiconductor 14-N type semiconductor 15-thermo-electric generation plate electrode
Embodiment
Below in conjunction with accompanying drawing waste heat recovery plant of the present invention is described in further detail.
As shown in Figure 1; waste heat recovery plant of the present invention; comprise: microflute flat-plate heat pipe 2, radiating fin 3, thermo-electric generation sheet 4, charge protector and storage battery 6; one end of microflute flat-plate heat pipe 2 is fitted with braking heat generating member 1; one side of microflute flat-plate heat pipe 2 other ends and thermo-electric generation sheet 4 (hot side) is close to; radiating fin 3 be contained in thermo-electric generation sheet 4 opposite side (cold side), the thermo-electric generation sheet is connected with charge protector by electrode, charge protector charges to storage battery 6.Preferably, microflute flat-plate heat pipe 2 is of a size of 240 millimeters * 110 millimeters * 20 millimeters, and radiating fin 3 is of a size of 90 millimeters * 90 millimeters * 30 millimeters, and radiating fin 3 is aluminum.Storage battery is two joint lithium batteries of series connection, and rated voltage is 4.2 volts, and capacity is 2000 MAHs～2800 MAHs.
As shown in Figure 2, thermo-electric generation sheet 4 comprises that a plurality of semiconductor thermoelectrics that are in series by N type semiconductor 14 and P type semiconductor 13 are to, electrode layer 12, heat conductive insulating layer and positive and negative electrode 15.Semiconductor thermoelectric is to being column, and electrode layer 12 covers semiconductor thermoelectric to both sides, and above-mentioned a plurality of semiconductor thermoelectrics to being linked to be the loop, are drawn by the positive and negative electrode 15 of thermo-electric generation sheet 4.At the outer side covers heat conductive insulating layer of electrode layer 12, consist of cold side and the hot side of thermo-electric generation sheet 4 respectively.Preferably, N type semiconductor 14 materials are Bi2Te3-Sb2Te3, and P type semiconductor 13 materials are Bi2T e3-Bi2Se3.The right length of semiconductor thermoelectric is that 1 millimeter～2 millimeters, width are 1 millimeter～2 millimeters, highly are 2 millimeters～4 millimeters.The heat conductive insulating layer is Al
2O
3Ceramic sheet heat conductive insulating layer.
During work, keep the certain vacuum degree in the microflute flat-plate heat pipe 2, so that the working medium boiling point is reduced to below the working temperature in the microflute flat-plate heat pipe 2.The used heat that produces in the braking procedure passes to a end with the microflute flat-plate heat pipe 2 of its applying by braking heat generating member 1, working medium in the microflute flat-plate heat pipe 2 is heated after the gasification, take away amount of heat and to the diffusion of the other end of microflute flat-plate heat pipe 2 with the form of gasification latent heat, meet the cold solidifying rear gasification latent heat that discharges at the microflute flat-plate heat pipe other end, and then heat conducted to the other end of the microflute flat-plate heat pipe 2 of fitting with the hot side of thermo-electric generation sheet 4, realize the high speed conduction of heat.Condensed working medium under the capillary force effect in the microflute flat-plate heat pipe micro-channel be back to heat pipe, finish circulation.
Because the hot side of thermo-electric generation sheet 4 and radiating fin 3 are fitted, so thermo-electric generation sheet 4 hot side temperature rise; Because radiating fin 3 is fitted in the cold side of thermo-electric generation sheet 4, the natural wind during utilization is travelled guarantees that to the cold side heat radiation of thermo-electric generation sheet 4 cold-side temperature of thermo-electric generation sheet 4 reduces.Therefore; produce the temperature difference between the hot side of thermo-electric generation sheet 4 and the cold side; so that according to Seebeck effect (Seebeck effect; the reason that produces Seebeck effect mainly is because the thermal diffusion effect of thermal excitation ion; be P; N type semiconductor produces respectively hole and electronics in the hot junction under high temperature action; form high local concentrations; because the thermal diffusion effect of ion; P; the hole of N type semiconductor and electronics spread to cold side respectively; thereby producing electrical potential difference between hot junction and the cold side) the positive and negative polarities of thermo-electric generation sheet 4 between produce electrical potential difference; thermo-electric generation sheet 4 is connected with charge protector by positive and negative electrode 15, and 5 pairs of storage batterys 6 of charge protector charge.
Charge protector 5 of the present invention also comprises output interface, and it is connected with voltage regulator control circuit 8 by switch 7, and voltage regulator control circuit 8 can for example externally be exported the electric energy that stores in the storage battery 6 by USB interface.
Below the preferred embodiment of the invention is specified, but the invention is not limited to described embodiment, for example, in order to realize better Waste Heat Recovery effect, can adopt the temperature difference fever tablet of multi-disc series connection, those of ordinary skill in the art also can make all modification that is equal to or replacement under the prerequisite of the invention spirit, the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (10)
1. waste heat recovery plant; it is characterized in that: comprise microflute flat-plate heat pipe, radiating fin, thermo-electric generation sheet, charge protector and storage battery; wherein an end of microflute flat-plate heat pipe is fitted with the braking heat generating member; the hot side of the microflute flat-plate heat pipe other end and thermo-electric generation sheet is fitted; radiating fin is contained in the cold side of thermo-electric generation sheet; the thermo-electric generation sheet is connected with charge protector by electrode, and charge protector charges to storage battery.
2. waste heat recovery plant as claimed in claim 1 is characterized in that: described temperature difference fever tablet has a plurality of temperature difference fever tablets series connection to consist of.
3. waste heat recovery plant as claimed in claim 1 or 2, it is characterized in that: described thermo-electric generation sheet comprises that a plurality of semiconductor thermoelectrics that are in series by N type semiconductor and P type semiconductor are to, electrode layer, heat conductive insulating layer and positive and negative electrode, wherein electrode layer covers semiconductor thermoelectric to both sides, with above-mentioned a plurality of semiconductor thermoelectrics to being linked to be the loop, positive and negative electrode by the thermo-electric generation sheet is drawn, the heat conductive insulating layer covers the outside of above-mentioned two electrode layers, consists of cold side and the hot side of thermo-electric generation sheet.
4. waste heat recovery plant as claimed in claim 1 or 2, it is characterized in that: described charge protector also comprises output interface, and output interface is connected with voltage regulator control circuit, and voltage regulator control circuit can externally be exported the electric energy that stores in the storage battery.
5. waste heat recovery plant as claimed in claim 3, it is characterized in that: described N type semiconductor material is Bi
2Te
3-Sb
2Te
3, described P type semiconductor material is Bi
2Te
3-Bi
2Se
3
6. such as claim 3 or 5 described waste heat recovery plants, it is characterized in that: described semiconductor thermoelectric is to for column, and the right length of semiconductor thermoelectric is that 1 millimeter～2 millimeters, width are 1 millimeter～2 millimeters, highly are 2 millimeters～4 millimeters.
7. such as claim 3,5 or 6 described waste heat recovery plants, it is characterized in that: the heat conductive insulating layer is Al
2O
3Ceramic sheet.
8. waste heat recovery plant as claimed in claim 1 or 2 is characterized in that: described storage battery is two joint lithium batteries of series connection, and rated voltage is 4.2 volts, and capacity is 2000 MAHs～2800 MAHs.
9. waste heat recovery plant as claimed in claim 1 or 2, it is characterized in that: radiating fin is the aluminum radiating fin, is of a size of 90 millimeters * 90 millimeters * 30 millimeters.
10. waste heat recovery plant as claimed in claim 1 or 2, it is characterized in that: the microflute flat-plate heat pipe is of a size of 240 millimeters * 110 millimeters * 20 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310299426.7A CN103368470B (en) | 2013-07-17 | 2013-07-17 | Waste heat recovery plant |
Applications Claiming Priority (1)
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|---|---|---|---|
| CN201310299426.7A CN103368470B (en) | 2013-07-17 | 2013-07-17 | Waste heat recovery plant |
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| CN103368470A true CN103368470A (en) | 2013-10-23 |
| CN103368470B CN103368470B (en) | 2015-10-28 |
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| CN201310299426.7A Expired - Fee Related CN103368470B (en) | 2013-07-17 | 2013-07-17 | Waste heat recovery plant |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618288A (en) * | 2013-11-21 | 2014-03-05 | 国网河南省电力公司南阳供电公司 | Disconnecting link temperature difference self-electricity-generating wireless overtemperature protection device of transformer substation and adjusting method |
| CN105709532A (en) * | 2016-04-15 | 2016-06-29 | 桃源县泰香粮油科技开发有限公司 | Boiler flue gas cleaning waste heat recycling device |
| CN106357160A (en) * | 2016-10-10 | 2017-01-25 | 合肥暖流信息科技有限公司 | System and method for generating electricity by means of temperature difference of heat pipe |
| CN106533265A (en) * | 2017-01-12 | 2017-03-22 | 王赞 | Energy-saving device and method for thermoelectric power generation based on heat distribution pipeline |
| CN107448838A (en) * | 2017-08-13 | 2017-12-08 | 重庆白鲸数码科技有限公司 | A kind of Multifunctional LED lamp |
| CN107689743A (en) * | 2017-09-07 | 2018-02-13 | 深圳天珑无线科技有限公司 | A kind of mobile terminal and its charging method |
| WO2019053297A3 (en) * | 2017-09-18 | 2019-04-25 | Javier Serret Avila | Assembly for generating electrical or thermal energy from a brake system |
| WO2019113846A1 (en) * | 2017-12-11 | 2019-06-20 | 深圳市海梁科技有限公司 | Power battery system based on gas-liquid two-phase heat dissipation and heat energy recovery |
| CN112104264A (en) * | 2020-08-28 | 2020-12-18 | 电子科技大学 | Thermoelectric power generation device for aircraft engine |
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Patent Citations (4)
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| US6313392B1 (en) * | 1998-10-12 | 2001-11-06 | Komatsu Ltd. | Thermoelectric semiconductor material, thermoelectric element, method of manufacturing these and method of manufacturing thermoelectric module and device for manufacturing thermoelectric semiconductor material |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618288A (en) * | 2013-11-21 | 2014-03-05 | 国网河南省电力公司南阳供电公司 | Disconnecting link temperature difference self-electricity-generating wireless overtemperature protection device of transformer substation and adjusting method |
| CN103618288B (en) * | 2013-11-21 | 2016-10-05 | 国网河南省电力公司南阳供电公司 | A kind of transformer station's disconnecting link temperature difference self-generating wireless overtemperature protection device and adjustment method |
| CN105709532A (en) * | 2016-04-15 | 2016-06-29 | 桃源县泰香粮油科技开发有限公司 | Boiler flue gas cleaning waste heat recycling device |
| CN106357160A (en) * | 2016-10-10 | 2017-01-25 | 合肥暖流信息科技有限公司 | System and method for generating electricity by means of temperature difference of heat pipe |
| CN106533265A (en) * | 2017-01-12 | 2017-03-22 | 王赞 | Energy-saving device and method for thermoelectric power generation based on heat distribution pipeline |
| CN107448838A (en) * | 2017-08-13 | 2017-12-08 | 重庆白鲸数码科技有限公司 | A kind of Multifunctional LED lamp |
| CN107689743A (en) * | 2017-09-07 | 2018-02-13 | 深圳天珑无线科技有限公司 | A kind of mobile terminal and its charging method |
| WO2019053297A3 (en) * | 2017-09-18 | 2019-04-25 | Javier Serret Avila | Assembly for generating electrical or thermal energy from a brake system |
| WO2019113846A1 (en) * | 2017-12-11 | 2019-06-20 | 深圳市海梁科技有限公司 | Power battery system based on gas-liquid two-phase heat dissipation and heat energy recovery |
| CN112104264A (en) * | 2020-08-28 | 2020-12-18 | 电子科技大学 | Thermoelectric power generation device for aircraft engine |
| CN112104264B (en) * | 2020-08-28 | 2021-10-26 | 电子科技大学 | Thermoelectric power generation device for aircraft engine |
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| PB01 | Publication | ||
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| CB03 | Change of inventor or designer information |
Inventor after: Luan Weiling Inventor after: Zhao Mingcheng Inventor after: Zhu Xumin Inventor after: Tao Ye Inventor after: Liu Haoran Inventor after: Wang Wei Inventor before: Zhao Mingcheng Inventor before: Zhu Xumin Inventor before: Tao Ye Inventor before: Liu Haoran Inventor before: Wang Wei |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHAO MINGCHENG ZHU XUMIN TAO YE LIU HAORAN WANG WEI TO: LUAN WEILING ZHAO MINGCHENG ZHU XUMIN TAO YE LIU HAORAN WANG WEI |
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Granted publication date: 20151028 Termination date: 20180717 |