CN107769618A - A kind of detachable automobile tail gas temperature difference electricity generation device - Google Patents
A kind of detachable automobile tail gas temperature difference electricity generation device Download PDFInfo
- Publication number
- CN107769618A CN107769618A CN201711115509.0A CN201711115509A CN107769618A CN 107769618 A CN107769618 A CN 107769618A CN 201711115509 A CN201711115509 A CN 201711115509A CN 107769618 A CN107769618 A CN 107769618A
- Authority
- CN
- China
- Prior art keywords
- heat
- temperature difference
- tail gas
- collecting
- electricity generation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
Abstract
The invention discloses a kind of detachable automobile tail gas temperature difference electricity generation device, the TRT includes connecting cleat and apparatus main body two parts, is attached by connecting bolt；Apparatus main body is linked into an integrated entity by heat-collecting block, electrothermal module, heat sink, fastening bolt, nut and electrical storage device, the heat-collecting block for being close to automobile exhaust pipe installation forms high temperature heat source by absorbing the heat energy in tail gas, and heat sink forms low temperature cold source under the cooling of natural wind；Electrothermal module is installed between the heat collecting sheet of heat-collecting block and heat sink, produces electric energy by the temperature difference between heat collecting sheet and heat sink, and external electrical storage device is being charged after voltage stabilizing.The present invention on automobile when being installed and used, without carrying out any repacking, and the enterprising end of line gas Waste Heat Recovery of fuel-engined vehicle that can be installed on most species to automobile exhaust pipeline, so as to improve the fuel utilization ratio of automobile.
Description
Technical field
The invention belongs to vehicle exhaust energy utilization technology field, and in particular to a kind of detachable automobile tail gas temperature
Poor TRT.
Background technology
At present, the fuel efficiency of most of internal-combustion engines vehicles is relatively low, and about 35% fuel oil energy is by with vehicle exhaust
Form discharge, just contain substantial amounts of exhaust heat-energy among these.In order to recycle this portion of energy, applied to vehicle exhaust
The temperature difference electricity generation device of energy regenerating arises at the historic moment.Thermoelectric generation has that pollution-free, zero-emission, structure adaptability be strong, property
Can be stable the advantages that.Technique can apply to reclaim heat energy of tail gas of automobile, is converted into exhaust heat-energy by thermo-electric generation
Electric energy, this part electric energy can be stored in on-vehicle battery, applied to vehicle-mounted electrical equipment, so as to improve the fuel oil of automobile profit
With rate.
It is this but current automobile thermoelectric power generation device majority needs to reequip the exhaust pipe structure of automobile
The problems such as changing the air passage structure of gas extraction system, and then being possible to cause engine operation irregularity, noise.
Chinese patent (CN201623673U) discloses generating set utilizing automobile exhaust waste heat temperature difference, its thermo-electric generation designed
The heat-collecting box of device, the Heat-collecting effect of heat-collecting box is improved by using the flow-disturbing passage of " S " type, but due to the thermal-arrest of this structure
Exhaust back pressure is very big caused by case, if the heat-collecting box is installed in automobile exhaust system, it would be possible to cause engine
Exhaust back pressure it is excessive and can not normal work situation.
Chinese patent (CN205260106U) discloses the energy saver using vehicle exhaust thermo-electric generation, and the device is by temperature
The thermal-arrest box part of poor electric organ is designed as flat, that is, a part for gas extraction system is changed into flat knot by cylindrical structure
Structure, this improvement very likely have an impact to the noise problem of gas extraction system, or even influence the work of engine.
The content of the invention
Based on above-mentioned technical problem, the present invention provides a kind of detachable automobile tail gas temperature difference electricity generation device, device tool
There is the function of recovery waste heat of automotive exhaust gas, there is dismountable characteristic, it is easy for installation, to the strong adaptability of variety classes vehicle,
And will not have a negative impact to engine exhaust system.
The present invention is that technical scheme is used by solving above-mentioned technical problem：
A kind of detachable automobile tail gas temperature difference electricity generation device, the TRT include connecting cleat and apparatus main body two
Point, it is attached by connecting bolt；Described device main body by heat-collecting block, electrothermal module, heat sink, fastening bolt, nut and
Electrical storage device links into an integrated entity, and the heat-collecting block is the half root hollow cylindrical tube splitted in the axial direction, the outside edge of cylindrical tube
Circumferentially distributed have four heat collecting sheets, two, outside heat collecting sheet close to the one side of middle heat collecting sheet, middle two heat collecting sheets two
Side is provided with the heat accumulator being axially distributed along blast pipe, and electrothermal module is installed in the heat accumulator；The one of the electrothermal module
Side working face is caught in heat accumulator, and another side is compressed by heat sink, and the electrothermal module connects outside electric power storage by wire and filled
Put；The heat sink is the U-type groove structure that one piece of circular arc cylinder and two pieces of thin plates with fin are formed；The circle of the heat sink
Through hole is provided with arc column face, and is connected by the fastening bolt through through hole with heat-collecting block；The fastening bolt passes through heat sink,
The screwed hole that one end is screwed on heat-collecting block boss, the other end are screwed on to the nut of fixed heat sink.
In such scheme, after the face of cylinder face of the heat-collecting block and connecting cleat, and pretension connected by connecting bolt,
So that the outside wall surface of blast pipe is close on the face of cylinder of heat-collecting block, connecting cleat；The connecting bolt is passed through on connecting cleat
Through hole, screw in the screwed hole of heat-collecting block.
In such scheme, the internal diameter on the connecting cleat face of cylinder, the heat-collecting block hollow cylinder bore with exhaust
The external diameter of pipe is identical.
In such scheme, the angle between two neighboring heat collecting sheet is identical, the angle slightly larger than two thin plates of heat sink it
Between angle.
In such scheme, the heat collecting sheet, which is provided with the side of heat accumulator, is at least provided with two heat accumulators.
In such scheme, connected in groups between the electrothermal module on each side of heat collecting sheet, each group electrothermal module is simultaneously
Electrical storage device is connected after connection, it is charged.
In such scheme, the electrical storage device can use battery or ultracapacitor.
In such scheme, the fins of two thin plates of the heat sink towards inside U-type groove, finned length radially, by outer
Inwardly it is gradually reduced, and fin is continuously straight.
In such scheme, the material of the heat-collecting block and heat sink is aluminium alloy.
The invention has the advantages that：
1st, it is easy to install.The invention employs the assembling structure of agent set integration, during installation and removal, equal nothing
Agent set need to be disassembled.
2nd, automobile engine is worked without influence.The invention is installed on and started by external connection mechanism, i.e. connecting cleat
On the outside of machine blast pipe, without transforming blast pipe air flue when installing and using, therefore do not have while using emission power generation
The air passage structure of automobile exhaust system is influenceed, the normal work of engine will not be had an impact.
3rd, modularized design, from flexible.The monomer volume of the invention is smaller, and an automobile can install multiple monomers,
To improve total generated output；Different automobile types can select the monomer of varying number according to chassis space, be returned with reaching ceiling capacity
Yield.
Brief description of the drawings
Fig. 1 is temperature difference electricity generation device front view；
Fig. 2 is temperature difference electricity generation device assembling schematic diagram；
Fig. 3 is temperature difference electricity generation device assembly relation schematic diagram；
Fig. 4 is heat-collecting block structural representation；
Fig. 5 is that electrothermal module connects circuit diagram.
In figure：1- connecting cleats, 2- blast pipes, 3- connecting bolts, 4- heat-collecting blocks, 5- electrothermal modules, 6- heat sinks, 6-1-
Right part heat sink, 6-2- middle parts heat sink, 6-3- left part heat sinks, 7- fastening studs, 7-1- right part fastening studs, 7-2- middle parts
Fastening stud, 7-3- left part fastening studs, 8- nuts, 8-1- right part nuts, 8-2- middle parts nut, 8-3- left part nuts, 9- store
Electric installation, 10- heat collecting sheets, 11- boss, 12- heat accumulators.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
As Figure 1-3, a kind of detachable automobile tail gas temperature difference electricity generation device, including connecting cleat 1 and apparatus main body
Two parts, it is attached by connecting bolt 3；Apparatus main body is by heat-collecting block 4, electrothermal module 5, heat sink 6, fastening bolt 7, nut
8 and electrical storage device 9 link into an integrated entity, as shown in figure 4, heat-collecting block 4 is the half root hollow cylindrical tube splitted in the axial direction, circle
The outside of column jecket is circumferentially distributed four heat collecting sheets 10, and the angle of two neighboring heat collecting sheet is 60 °, two, outside heat collecting sheet 10
One side, the two sides of middle two heat collecting sheets 10 close to middle heat collecting sheet are provided with two collection being axially distributed along blast pipe
Heat channel 12, the depth of heat accumulator 12 are the half of the thickness of electrothermal module 5, and the bottom surface length and width of heat accumulator 12 are slightly larger than electrothermal module 5
Working face length and width；There is a boss for being threaded hole 11 between two neighboring heat collecting sheet 10, for the heat sink 6 that is connected；
Installation electrothermal module 5, first must uniformly smear heat conductive silica gel, to improve heat accumulator before installation in the bottom surface of heat accumulator 12 in heat accumulator 12
The contact flatness and heat-conducting effect of bottom surface and the working face of electrothermal module 5；The side working face of electrothermal module 5 is caught in heat accumulator 12
Interior, another side is compressed by heat sink 6, and electrothermal module 5 connects outside electrical storage device 9 by wire；Heat-collecting block 4 in the present embodiment
Material with heat sink 6 is aluminium alloy.
As shown in Fig. 2 the hollow cylinder bore of heat-collecting block 4 is identical with the external diameter of blast pipe 2, the face of cylinder of connecting cleat 1
Internal diameter is also identical with the external diameter of blast pipe 2, and the face of cylinder face of connecting cleat 1 and heat-collecting block 4 simultaneously surround parcel blast pipe 2, collection
Hot block 4, the face of cylinder of connecting cleat 1 are close to the outside wall surface of blast pipe 2, connecting cleat 1 and heat-collecting block 4 and pass through four pieces of connecting bolts
3 are fastened, and connecting bolt 3 is screwed in the screwed hole of heat-collecting block 4, the cylinder of heat-collecting block 4 through the through hole on connecting cleat 1
Face and the contact surface of blast pipe 2 scribble heat conductive silica gel, to improve contact flatness and heat-conducting effect；Heat sink 6 is by one piece of circular arc
The U-type groove structure that the thin plate of cylinder and two pieces with fin is formed, the angles of two thin plates are slightly lower than 60 °, on circular arc cylinder
Be provided with two through holes, the fin on thin plate towards inside U-type groove, finned length radially, ecto-entad be gradually reduced, and fin
It is continuous straight；During installation, each heat sink 6 contacts and compresses four electrothermal modules in adjacent two pieces of heat collecting sheets 10 angular range
5, should scribble heat conductive silica gel between the sheet plane of heat sink 6 and the working face of electrothermal module 5, with improve contact flatness and
Heat-conducting effect；The installation site of heat sink 6 should ensure that the axis of two through holes on heat sink 6 and the screwed hole on boss 11
Axis is overlapped, and one end of fastening bolt 7 is screwed in the screwed hole on boss 11 through the through hole of heat sink 6, and the other end screws on spiral shell
Heat sink 6 is fixed simultaneously pretension by mother 8；Connected in groups between two electrothermal modules 5 on 10 each side of heat collecting sheet, six groups of thermoelectricity
Electrical storage device 9 is connected after the parallel connection of module 5, it is charged.In the embodiment, electrical storage device 9 is battery or super capacitor
Device, connection circuit diagram are as shown in Figure 5.
A kind of course of work of detachable automobile tail gas temperature difference electricity generation device is：
When automobile engine normal work, its tail gas discharged transfers heat to blast pipe 2 when flowing through blast pipe 2
Tube wall, high temperature tube wall transfer thermal energy to heat-collecting block 4 by heat transfer, turn into temperature after the heat collecting sheet temperature rise on heat-collecting block 4
The thermal source of poor TRT；On heat sink 6 in running car, heat is taken away from fin by natural wind, and temperature is relatively low, into
For the low-temperature receiver of temperature difference electricity generation device；The temperature difference of electrothermal module 5 between heat-collecting block 4 and heat sink 6 in low-temperature receiver and thermal source
Effect is lower to produce electric energy, and electrical storage device 9 is charged, so as to reach the recoverable purpose of exhaust gas heat.
It is described above that the present invention is briefly described, not by above-mentioned working range limit value, as long as taking the present invention
Thinking and method of work carry out simple modification and apply to other equipment, or make and changing in the case where not changing central scope principle of the present invention
Enter and retouch etc. behavior, within protection scope of the present invention.
Claims (9)
- A kind of 1. detachable automobile tail gas temperature difference electricity generation device, it is characterised in that the TRT include connecting cleat (1) and Apparatus main body two parts, it is attached by connecting bolt (3)；Described device main body is by heat-collecting block (4), electrothermal module (5), radiating Plate (6), fastening bolt (7), nut (8) and electrical storage device (9) link into an integrated entity, and the heat-collecting block (4) is in the axial direction The half root hollow cylindrical tube splitted, the outside of cylindrical tube is circumferentially distributed four heat collecting sheets (10), two, outside heat collecting sheet (10) one side close to middle heat collecting sheet, the two sides of middle two heat collecting sheets (10) are provided with what is be axially distributed along blast pipe Heat accumulator (12), the interior installation electrothermal module (5) of the heat accumulator (12)；The side working face of the electrothermal module (5) is caught in collection In heat channel (12), another side is compressed by heat sink (6), and the electrothermal module (5) connects outside electrical storage device by wire (9)；The heat sink (6) is the U-type groove structure that one piece of circular arc cylinder and two pieces of thin plates with fin are formed；The heat sink (6) through hole is provided with circular arc cylinder, and is connected by the fastening bolt (7) through through hole with heat-collecting block (4)；The fastening spiral shell Bolt (7) passes through heat sink (6), the screwed hole that one end is screwed on heat-collecting block (4) boss (11), and the other end screws on to radiate to fixed The nut (8) of plate (6).
- A kind of 2. detachable automobile tail gas temperature difference electricity generation device as claimed in claim 1, it is characterised in that the heat-collecting block (4) and after the face of cylinder face of connecting cleat (1), and pretension connected by connecting bolt (3), so that heat-collecting block (4), company It is close to the outside wall surface of blast pipe (2) in the face of cylinder of fishplate (1)；The connecting bolt (3) passes through logical on connecting cleat (1) Hole, screw in the screwed hole of heat-collecting block (4).
- A kind of 3. detachable automobile tail gas temperature difference electricity generation device as claimed in claim 2, it is characterised in that the connection clip Internal diameter, the heat-collecting block (4) the hollow cylinder bore on plate (1) face of cylinder are identical with the external diameter of blast pipe (2).
- A kind of 4. detachable automobile tail gas temperature difference electricity generation device as claimed in claim 1, it is characterised in that two neighboring collection Angle between backing (10) is identical, and the angle is slightly larger than the angle between (6) two thin plates of heat sink.
- A kind of 5. detachable automobile tail gas temperature difference electricity generation device as claimed in claim 1, it is characterised in that the heat collecting sheet (10) it is provided with the side of heat accumulator (12) and is at least provided with two heat accumulators (12).
- A kind of 6. detachable automobile tail gas temperature difference electricity generation device as claimed in claim 1, it is characterised in that the heat collecting sheet (10) connected in groups between the electrothermal module (5) on each side, electrical storage device (9) connected after each group electrothermal module (5) is in parallel, It is charged.
- A kind of 7. detachable automobile tail gas temperature difference electricity generation device as claimed in claim 1, it is characterised in that the electric power storage dress Battery or ultracapacitor can be used by putting (9).
- A kind of 8. detachable automobile tail gas temperature difference electricity generation device as claimed in claim 1, it is characterised in that the heat sink (6) fin of two thin plates towards inside U-type groove, finned length radially, ecto-entad be gradually reduced, and fin is continuously put down Directly.
- A kind of 9. detachable automobile tail gas temperature difference electricity generation device as claimed in claim 1, it is characterised in that the heat-collecting block (4) and the material of heat sink (6) is aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711115509.0A CN107769618A (en) | 2017-11-13 | 2017-11-13 | A kind of detachable automobile tail gas temperature difference electricity generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711115509.0A CN107769618A (en) | 2017-11-13 | 2017-11-13 | A kind of detachable automobile tail gas temperature difference electricity generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107769618A true CN107769618A (en) | 2018-03-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711115509.0A Pending CN107769618A (en) | 2017-11-13 | 2017-11-13 | A kind of detachable automobile tail gas temperature difference electricity generation device |
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| Country | Link |
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| CN (1) | CN107769618A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677583A (en) * | 2020-06-29 | 2020-09-18 | 浙江富兴海运有限公司 | Thermoelectric generator and heat collection structure thereof |
| JP2020167799A (en) * | 2019-03-28 | 2020-10-08 | 三井化学株式会社 | Thermoelectric conversion device and fixing method of thermoelectric conversion module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005209724A (en) * | 2004-01-20 | 2005-08-04 | Toyota Motor Corp | Waste heat recovery system |
| CN201277082Y (en) * | 2008-11-03 | 2009-07-22 | 厦门大学 | Thermo-electric generation type vehicle energy-saving emission-reducing device |
| CN102710178A (en) * | 2012-06-29 | 2012-10-03 | 中国华能集团清洁能源技术研究院有限公司 | Automobile tail gas pipe temperature difference power generation device |
| CN103644016A (en) * | 2013-11-22 | 2014-03-19 | 北京航空航天大学 | Cylindrical shell straight-plate finned automobile exhaust thermoelectric generation device |
-
2017
- 2017-11-13 CN CN201711115509.0A patent/CN107769618A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005209724A (en) * | 2004-01-20 | 2005-08-04 | Toyota Motor Corp | Waste heat recovery system |
| CN201277082Y (en) * | 2008-11-03 | 2009-07-22 | 厦门大学 | Thermo-electric generation type vehicle energy-saving emission-reducing device |
| CN102710178A (en) * | 2012-06-29 | 2012-10-03 | 中国华能集团清洁能源技术研究院有限公司 | Automobile tail gas pipe temperature difference power generation device |
| CN103644016A (en) * | 2013-11-22 | 2014-03-19 | 北京航空航天大学 | Cylindrical shell straight-plate finned automobile exhaust thermoelectric generation device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020167799A (en) * | 2019-03-28 | 2020-10-08 | 三井化学株式会社 | Thermoelectric conversion device and fixing method of thermoelectric conversion module |
| CN111677583A (en) * | 2020-06-29 | 2020-09-18 | 浙江富兴海运有限公司 | Thermoelectric generator and heat collection structure thereof |
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Application publication date: 20180306 |