CN107086817A - A kind of public transport vehicle exhaust pipe temperature difference electricity generation device - Google Patents
A kind of public transport vehicle exhaust pipe temperature difference electricity generation device Download PDFInfo
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- CN107086817A CN107086817A CN201710358844.7A CN201710358844A CN107086817A CN 107086817 A CN107086817 A CN 107086817A CN 201710358844 A CN201710358844 A CN 201710358844A CN 107086817 A CN107086817 A CN 107086817A
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- water pump
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- public transport
- temperature difference
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of public transport vehicle exhaust pipe temperature difference electricity generation device, chilled(cooling) water return (CWR) is connected with heat absorption copper pipe by cooling pipe and constituted, two water pumps are arranged in chilled(cooling) water return (CWR), the arc groove for absorbing automobile tail gas pipe waste heat is used as hot junction, the metallic plate for absorbing cooling circuit cold is used as cold end, thermo-electric generation sheet is pressed between hot junction and cold end, and heat absorption copper pipe is arranged in metallic plate bottom surface.The impeller axle of above-mentioned two water pump is stretched out outside the pump housing and is movably arranged in drive case, the two-sided rack for receiving automobile vibrational energy is engaged with left and right gear, left gear is arranged in fixing axle through bearing, and right gear is arranged on through unilateral bearing in the impeller axle of a water pump.Another right gear is arranged on through another ratchet in the impeller axle of another water pump, and the driving direction of above-mentioned two unilateral bearing is opposite.The present apparatus uses automobile vibrational energy to provide driving force for water pump vane, while heat energy of tail gas of automobile is converted into electric energy, with capacity usage ratio it is high, pollution-free, be generally applicable to all vehicles the characteristics of.
Description
Technical field
The present invention relates to generating power by waste heat of tail gas of automobile equipment, more particularly to a kind of public transport vehicle exhaust pipe bottom thermo-electric generation dress
Put.
Background technology
With the high speed development of social economy, bus is increasingly popularized, and it not only alleviates the traffic pressure in city, also pole
The big trip for facilitating people, is an indispensable part in daily life.But at the same time bus is in the process of running
Heat produced by blast pipe but seriously threatens the normal operation of engine, and the quilts such as heat emission hole are mainly used in the market
Dynamic radiating mode is radiated, and there is many drawbacks such as slow, uneven that radiated.In fact, the used heat produced by blast pipe is
A kind of energy, if it is possible to collected and be used, can not only environmental protection, moreover it is possible to economize on resources, and is many at one stroke
.
According to retrieval, the device of thermo-electric generation, such as application number will be carried out using residual heat of tail gas of automobile at present
201410137635.6 Chinese patent application disclose a kind of vehicle mounted tail gas residual heat thermoelectric power generation, it include tail gas case,
Cooling water tank component, temperature-difference power generation module component and clamping plate, the two ends of tail gas case are respectively arranged with inlet manifold and exhaust discrimination
Pipe, tail gas case includes gas tank body, shunting fin, distributing fin and the fin that confluxes；The two ends of cooling water tank component are respectively arranged with
Enter water manifold and go out water manifold, cooling water tank component includes multiple cooling water tanks, cooling water tank includes water tank and deflector；Temperature
The hot junction of poor electricity generation module component is fitted with the both sides of tail gas case, cold end is fitted with the side of cooling water tank component, thermo-electric generation
Modular assembly includes multiple temperature-difference power generation modules；Clamping plate is arranged on the outside of cooling water tank component, and the two ends of clamping plate lead to
Cross bolt locking.
The and for example Chinese patent of Patent No. 201020101524.7 entitled " generating set utilizing automobile exhaust waste heat temperature difference ",
Application discloses a kind of device that thermo-electric generation is carried out using waste heat of automotive exhaust gas, and it includes exhaust gas channel, electrothermal module and cold
But the UNICOM of system, exhaust gas channel air inlet and exhaust pipe of engine UNICOM, exhaust gas channel exhaust outlet and automobile exhaust pipe, thermoelectricity
The temperature end of module is close on the outer wall of exhaust gas channel, and the low-temperature end of electrothermal module is cooled by cooling system, electrothermal module production
Raw electric power transports to Vehicular accumulator cell.
Above two is carried out using waste heat from tail gas in the device technique scheme of thermo-electric generation, and the device of the first scheme is to set
Put near automotive engines, close to engine, this design, which normal to engine can radiate, to be adversely affected, and is pacified
Full performance is relatively low, and installability is poor；For second of technical scheme, the water pump of its water-cooling system needs to be additionally provided dynamic
Power, expends the energy, and the water-cooling system of the present apparatus dexterously make use of the vibration of car body in running car to drive cooling water to follow
Ring, is more saved.
Above two carries out the scheme of thermo-electric generation not over the traveling using automobile body using residual heat of tail gas of automobile
Vibrate to drive the design of cooling water circulation.
The content of the invention
It is an object of the invention to provide a kind of high public transport vehicle exhaust pipe temperature difference electricity generation device of comprehensive utilization of energy rate, it is intended to
Public transport vehicle exhaust pipe heat energy is converted into electric energy, moved while being converted into coolant circulation using the vibrational energy of automobile traveling process
Power, external electric energy is not consumed.
The object of the present invention is achieved like this：A kind of public transport vehicle exhaust pipe temperature difference electricity generation device, the cooling for the copper pipe that absorbs heat
Water import and export two ends or it is interior have liquid communication cavity heat absorption copper coin cooling water import and export two ends it is cold with U-shaped respectively
But pipe ends connect and constitute chilled(cooling) water return (CWR)；Heat absorption copper pipe is fixed on metallic plate bottom surface；Thermo-electric generation sheet is crimped on gold
Belong between plate and the base plane of the copper arc groove above metallic plate, or, thermo-electric generation sheet is crimped on heat absorption
Between the base plane of copper coin and copper arc groove, the negative camber of the above-mentioned arc groove for being used as fixed bus offgas duct
Matched with the profile of bus offgas duct；It is respectively mounted on cooling pipe inlet tube and outlet in above-mentioned chilled(cooling) water return (CWR)
There are the first water pump and the second water pump；The drive mechanism of first water pump is：It is arranged on what is contacted below public transport suspension and with suspension
The two-sided rack is engaged with left gear and right gear respectively, and left and right gear is arranged on fixing axle through bearing and unilateral bearing respectively
On upper and lobus dexter wheel shaft, fixing axle is fixed in drive case, and lobus dexter wheel shaft is rotationally erected in drive case, and lobus dexter
Wheel shaft, which is stretched out on the front end of drive case, is provided with lobus dexter wheel；The drive mechanism of second water pump and the drive mechanism of the first water pump
Structure is identical；Two lobus dexter wheels in two drive mechanisms of above-mentioned first, second water pump are separately positioned on the first water pump
In the fluid passage of the pump housing and in the fluid passage of the second pump body, in two drive mechanisms of above-mentioned first, second water pump
Two unilateral bearings driving direction it is opposite.
The heat absorption serpentine-like coil form of steel pipe is fixed on metallic plate bottom surface.
Full width radiating fin, the import and export Guan Shangjun of the second water pump are provided with the import and export pipe of first water pump
It is provided with full width radiating fin, the horizontal tube of cooling water pipe and is provided with half range radiating fin.
The caliber of the cooling water pipe is more than the caliber of heat absorption copper pipe, pipe orifice joint and heat absorption of the cooling water pipe through concentric reducer
Copper pipe is connected.
Also the multiple arcs bar as fixed bus offgas duct is fixed with above the arc groove through bolt.
Back-moving spring is provided with below the two-sided rack, or, the two-sided rack upper end and bus suspension articulation.
It is a further object of the present invention to provide a kind of higher public transport vehicle exhaust pipe thermo-electric generation dress of comprehensive utilization of energy rate
Put, it is intended to which public transport vehicle exhaust pipe heat energy is converted into electric energy, while using the vibrational energy of automobile traveling process to be followed for coolant
Gyration power, external electric energy is not consumed.
What a further object of the present invention was realized in：A kind of public transport vehicle exhaust pipe temperature difference electricity generation device, heat absorption copper pipe
Cooling water import and export two ends or it is interior have liquid communication cavity heat absorption copper coin cooling water import and export two ends respectively with U-shaped
Cooling pipe two ends connection and constitute chilled(cooling) water return (CWR)；Heat absorption copper pipe is fixed on metallic plate bottom surface；Thermo-electric generation sheet is crimped
Between the base plane of metallic plate and the copper arc groove above metallic plate, or, thermo-electric generation sheet is crimped on
Absorb heat between copper coin and the base plane of copper arc groove, it is above-mentioned as the interior of the arc groove for fixing bus offgas duct
Curved surface matches with the profile of bus offgas duct；On cooling pipe inlet tube and outlet in above-mentioned chilled(cooling) water return (CWR) respectively
First water pump and the second water pump are installed；The drive mechanism of first water pump is：It is arranged on below public transport suspension and is connect with suspension
Tactile the two-sided rack is engaged with left gear and right gear respectively, and the left and right gear is unidirectional through driving direction identical two respectively
Bearing is arranged in two impeller axles, and two impeller axles are rotationally erected in drive case respectively, two impeller axles
An impeller is separately installed with the front end for stretching out drive case；The drive mechanism of second water pump and the drive mechanism of the first water pump
Structure it is identical；Two impellers in the drive mechanism of first water pump are arranged on the pump housing of the first water pump in tandem
Interior, two impellers in the drive mechanism of the second water pump are arranged in the pump housing of the second water pump in tandem.
The heat absorption serpentine-like coil form of steel pipe is fixed on metallic plate bottom surface；The import and export pipe of first water pump
On be provided with full width radiating fin, the import and export pipe of the second water pump and be provided with full width radiating fin, the water of cooling water pipe
Half range radiating fin is provided with flat pipe.
The caliber of the cooling water pipe is more than the caliber of heat absorption copper pipe, pipe orifice joint and heat absorption of the cooling water pipe through concentric reducer
Copper pipe is connected；Also the multiple arcs bar as fixed bus offgas duct is fixed with above the arc groove through bolt.
Back-moving spring is provided with below the two-sided rack, or, the two-sided rack upper end and bus suspension articulation.
This public transport vehicle exhaust pipe temperature difference electricity generation device, mainly by vibratory drive mechanism, cooling water circulation, thermo-electric generation
Mechanism is constituted, and the two-sided rack both sides for being arranged on public transport suspension bottom are engaged with two gears respectively, a side gear and and drive
Between the fixing axle that dynamic casing is fixedly connected be provided with plain bearing, another side gear with（Non-electricity）Set between the input shaft of water pump
There is unilateral bearing；Two（Non-electricity）The water pump discrepancy mouth of pipe is connected with cooling pipe, and cooling pipe outer wall is provided with full width heat radiating fin
Piece and half range radiating fin（In the case of the license of position, full width radiating fin can be also used）, curved copper pipe passes through with cooling pipe
Pipe orifice joint is connected；The copper arc groove in hot junction fitted with bus offgas duct bottom with arc fixed strip through bolt connection,
Thermo-electric generation sheet is provided between hot junction arc groove and cold side metal plate, cold side metal plate lower end is fitted with curved copper pipe.
Above-mentioned cooling pipe two ends are respectively equipped with one（Non-electricity）Water pump and two full width radiating fins.
Above-mentioned thermo-electric generation sheet is arranged in horizontal plane array.
Above-mentioned two（Non-electricity）Two unilateral bearings in water pump input shaft are in opposite direction.
The present invention realizes the one direction rotation of non-electricity water pump Leaf by the use of unilateral bearing（Drive water pump
Impeller axle is rotated）, improve the efficiency of coolant circulation；Recycle the two-sided rack for being arranged at public transport suspension bottom and nibble
The gear of conjunction converts the energy of body oscillating, and the installation of radiating fin in addition causes the condensate liquid moment to be maintained at operating temperature,
The semicircular structure in hot junction is brought into close contact with blast pipe, improves heat utilization ratio, ensures that the powerful electricity of thermo-electric generation sheet
The output of energy
Working process and principle of the invention are：The lost amount of heat of blast pipe, passes to hot junction arc during bus running
Connected in star, hot junction arc groove and the cold side metal plate formation temperature difference, act on thermo-electric generation sheet two ends, former according to Sybase
Reason, thermo-electric generation sheet formation voltage, produces electric current, can be stored after the rectified voltage stabilizing of electric current and be supplied to bus is vehicle-mounted to set
It is standby to use.
Vibratory drive process：
Relative Vibration occurs bus for axletree and car body in the process of running, drives the two-sided rack to be performed relative motion with driving box,
The positioning gear that rack drives are engaged with（Left gear）And travelling gear（Right gear）Rotate.Unilateral bearing to work as driving cog
Take turns to a direction rotate when, unilateral bearing is locked, driving（Non-electricity）The sharf of water pump is rotated；When travelling gear is to another
Direction is rotated, and unilateral bearing ball is rolled, and water pump impeller shaft is not rotated；It is achieved thereby that the way moving that motion has rack is arrived
The conversion of the one-directional rotation of water pump blade.
Cool down cyclic process：
（Non-electricity）Water pump drives cooling liquid one-way circulation in cooling pipe and curved copper pipe to flow.To cold side metal plate
Cooling, so that the cold warm end temperature difference of thermo-electric generation sheet is maintained at optimal cases.Now, due to the great surface area of radiating fin and
The coolant of circulating reflux being capable of continued down in the air flowed in vehicle operation, cooling pipe.Dropped through cooling pipe
The coolant of temperature is again introduced into curved copper pipe（Absorb heat copper pipe）When, with relatively low temperature.In this way, coolant is constantly unidirectional
Circulate, cooling procedure moves in circles so that thermo-electric generation sheet two ends sustainedly and stably keep the larger temperature difference, so that production
Raw electric current is continual and steady and considerable benefit.
Compared with prior art, the beneficial effects of the invention are as follows：
First, the present invention difference maximum with other same devices is to be vented bottom of the tube mounted in car body, and directly utilizes exhaust
The heat ratio of pipe is more using tail gas efficiency high, it is easy to dismantle, operation normal on vehicle does not influence, safe.
2nd, vibrational energy promotes pump operation and realizes cooling during cooling system of the invention is dexterously travelled using car body
The mode of liquid circulation, is constantly thermo-electric generation sheet cold-side cooling, so as to keep the temperature difference between cold and hot end.This mode can make
Cold junction temperature is reduced rapidly, substantially increases the efficiency of cooling, it is ensured that device can produce electric energy with continuous running.Device is used
Unilateral bearing, although what the vibration of vehicle body toward renaturation, still can ensure that coolant carries out is unidirectional circulation, whole mistake
Journey, which need not consume energy, realizes the cooling to target.
3rd, the present invention can improve the comfortableness of vehicle.There is resistance when being circulated due to coolant, body vibrations can be made more
Cut down soon, reduce jolting for vehicle, comfort level when this takes for passenger improves a lot.
4th, the present invention is overall extraneous need not all energize, and realizes complete environmental protection, realizes no pollution.
5th, the present invention can get up energy sequel, be charged for electronic equipments such as mobile phones, solve everybody electronics of going on a journey and set
The not enough awkward situation of standby electricity.
6th, the heat energy that blast pipe is distributed can be converted into electric energy by this temperature difference electricity generation device, to electrical equipment in bus
Charging, improves the utilization ratio of the energy.
The present apparatus efficiently solves bus vibratory drive coolant and circulated to be generated the electric cold-side cooling of piece to maintain temperature to the temperature difference
The problem of difference is generated electricity, with generating device structure is simple, cost is low, safe and reliable, generating efficiency is high, save energy
Source, small volume, free from environmental pollution, the features such as being generally applicable to all motor vehicles.
Brief description of the drawings
Fig. 1 is the overall structure schematic perspective view of the present invention.
Fig. 2 is the first water pump driving mechanism structure figure of the present invention.
Fig. 3 is the schematic perspective view that Fig. 1 removes another view directions after a driving box.
Embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 shows public transport vehicle exhaust pipe temperature difference electricity generation device, the cooling water import and export two ends for the copper pipe 12 that absorbs heat or interior has
The cooling water import and export two ends of the heat absorption copper coin of liquid communication cavity are connected and structure with the two ends of cooling pipe 10 of U-shaped respectively
Into chilled(cooling) water return (CWR)；Heat absorption copper pipe 12 is fixed on the bottom surface of metallic plate 13；Thermo-electric generation sheet 14 is crimped on metallic plate 13 with being located at
Between the base plane of the copper arc groove 15 of the top of metallic plate 13, or, thermo-electric generation sheet 14 is crimped on heat absorption copper coin
Between the base plane of copper arc groove 15, the negative camber of the above-mentioned arc groove 15 for being used as fixed bus offgas duct
Matched with the profile of bus offgas duct；Pacify respectively on the inlet tube of cooling pipe 10 and outlet in above-mentioned chilled(cooling) water return (CWR)
Equipped with the first water pump 18 and the second water pump 17；The drive mechanism of first water pump is：It is arranged on below public transport suspension and and suspension
The two-sided rack 1 of contact is engaged with left gear 3a and right gear 3 respectively, and left and right gear 3a, 3 are respectively through bearing 5 and one-way shaft
4 are held to be arranged in fixing axle 6 and on lobus dexter wheel shaft 7（That is fixed gear on fixing axle on bearing inner race, bearing outer ring）, fixing axle
6 are fixed in drive case 2, and lobus dexter wheel shaft 7 is rotationally erected in drive case 2, and lobus dexter wheel shaft 7 stretches out drive case
Lobus dexter wheel is installed on 2 front end；The drive mechanism of second water pump is identical with the structure of the drive mechanism of the first water pump；On
State the fluid passage that two lobus dexter wheels in two drive mechanisms of first, second water pump are separately positioned on the pump housing of the first water pump 18
In interior and the second pump body fluid passage, two unilateral bearings 4 in two drive mechanisms of above-mentioned first, second water pump
Driving direction it is opposite（Referring to Fig. 2）.The copper coin that absorbs heat is the plate type heat exchanger for having cooling water jecket, and heat exchange area is bigger.U-shaped
Cooling pipe 10 by both sides import and export pipe（It is parallel to each other）Constituted with the two horizontal tube connected vertically.Absorb heat steel pipe
12 serpentine-like coil forms are fixed on the bottom surface of metallic plate 13（Fig. 3）.Full width is provided with the import and export pipe of first water pump 18
It is provided with full width radiating fin 8, the horizontal tube of cooling water pipe 10 and sets on radiating fin, the import and export pipe of the second water pump 17
It is equipped with half range radiating fin 9.The caliber of cooling water pipe 10 is more than the caliber of heat absorption copper pipe 12, pipe of the cooling water pipe 10 through concentric reducer
Mouth joint 11 is connected with heat absorption copper pipe 12.The top of arc groove 15 is also fixed with as many of fixed bus offgas duct through bolt
Individual arc strip 16.The lower section of the two-sided rack 1 is provided with back-moving spring, or, the upper end of the two-sided rack 1 and bus suspension articulation.
Public transport vehicle exhaust pipe temperature difference electricity generation device includes oscillatory type water pump drive mechanism, cooling water circulation, temperature difference hair
Motor structure, the both sides of the two-sided rack 1 for being arranged on public transport suspension bottom are engaged with 2 gears respectively, left gear 3a and fixing axle 6
（It is fixedly connected with drive case 2）Between be provided with（Commonly）Bearing 5, right gear 3 with（Non-electricity）Set between the input shaft of water pump 7
There is unilateral bearing 4；Two（Non-electricity）The discrepancy mouth of pipe of water pump 18,17 is connected with cooling pipe 10, and the outer wall of cooling pipe 10 is provided with
Full width radiating fin 8 and half range radiating fin 9（If position is permitted, it is also possible to full width radiating fin）,（It is curved）Absorb heat copper pipe 12
It is connected with cooling pipe 10 by pipe orifice joint 11；The copper arc groove 15 in hot junction and arc fitted with bus offgas duct bottom
The bolt connection of shape bar 16, is provided with thermo-electric generation sheet 14, cold side metal plate between hot junction arc groove 15 and cold side metal plate 13
Fitted with curved heat absorption copper pipe 12 13 lower ends.
The two ends of cooling pipe 10 are respectively equipped with a non-electricity water pump and two full width radiating fins 8.
The thermo-electric generation sheet 14 is arranged in horizontal plane array.
Described two non-electricity water pump input shafts（That is impeller axle）On two unilateral bearings 4 it is in opposite direction.
Vibratory drive process：
Relative Vibration occurs bus for axletree and car body in the process of running, drives the two-sided rack 1 to occur relatively with drive case 2
Motion, rack 1 drives the positioning gear i.e. left gear 3a and travelling gear i.e. right gear 3 being engaged with to rotate.Unilateral bearing 4 makes
Proper travelling gear to a direction rotate when, unilateral bearing 4 is locked, driving（Non-electricity）The impeller axle of water pump 7 is rotated；Work as biography
Moving gear to other direction rotate when, the ball of unilateral bearing 4 is rolled, and sharf do not rotate；It is achieved thereby that the two-way shifting of rack
Move the conversion of the one-directional rotation of water pump impeller shaft.
Cool down cyclic process：
First, second water pump 18,17 driven the cooling liquids one-way circulation in cooling pipe 10 and curved heat absorption copper pipe 12
Flowing.Cold side metal plate 13 is cooled, so that the cold warm end temperature difference of thermo-electric generation sheet 14 is maintained at optimal cases.Now, due to
The coolant of circulating reflux in the air flowed in the great surface area of radiating fin 8 and vehicle operation, cooling pipe 10
Being capable of continued down.When the coolant cooled through cooling pipe 10 is again introduced into curved heat absorption copper pipe 12, with relatively low temperature
Degree.In this way, the continuous one-way circulation flowing of coolant, cooling procedure moves in circles so that the two ends of thermo-electric generation sheet 14 are continual and steady
Ground keeps the larger temperature difference, so that the electric current produced is continual and steady and considerable benefit
Referring to Fig. 1, the cooling of the cooling water import and export two ends for the copper pipe 12 that absorbs heat or the interior heat absorption copper coin for having a liquid communication cavity
Water import and export two ends are connected with the two ends of cooling pipe 10 of U-shaped and constitute chilled(cooling) water return (CWR) respectively；Heat absorption copper pipe 12 is fixed on
On the bottom surface of metallic plate 13；Thermo-electric generation sheet 14 is crimped on metallic plate 13 and the copper arc groove 15 positioned at the top of metallic plate 13
Base plane between, or, thermo-electric generation sheet 14 be crimped on heat absorption copper coin and copper arc groove 15 base plane it
Between, the negative camber of the above-mentioned arc groove 15 for being used as fixed bus offgas duct matches with the profile of bus offgas duct；On
State and the first water pump 18 and the second water pump 17 are separately installed with the inlet tube of cooling pipe 10 and outlet in chilled(cooling) water return (CWR)；The
Another drive mechanism of one water pump is：Be arranged on the two-sided rack 1 contacted below public transport suspension and with suspension respectively with a left side
Gear 3a and right gear 3 are engaged, and the left and right gear is arranged on two impellers through two unilateral bearings of driving direction identical respectively
On axle, two impeller axles are rotationally erected in drive case 2 respectively, and two impeller axles are stretched out before drive case 2
An impeller is separately installed with end；The drive mechanism of second water pump is identical with the structure of the drive mechanism of the first water pump；
Two impellers in the drive mechanism of first water pump are one in front and one in back（By water (flow) direction）Ground is arranged in the pump housing of the first water pump 18,
Two impellers in the drive mechanism of second water pump are arranged in the pump housing of the second water pump 17 in tandem.Referring to Fig. 2, that is, scheme
Left and right gear in 2 passes through unilateral bearing（Driving direction is identical）In two parallel impeller axles, two impeller axle
Front portion be respectively protruding into the pump housing of the first water pump 18, and two impeller axle front portions are mounted on blade, that is, constitute by automobile vibration
Push the first dynamic water pump, when automobile vibration push dynamic the two-sided rack it is descending when（Referring to Fig. 2）, left gear is rotated clockwise, right
Gear counterclockwise, because the two is arranged in two impeller axles through driving direction identical unilateral bearing respectively, therefore, only
There is one of impeller axle to be driven in rotation, make cooling water circulation as water pump, and another impeller axle only dallies；Second water pump
Structure it is identical with the structure of the first water pump.In this scheme, when the two-sided rack is descending, in the first water pump and the second water pump
There is an impeller respectively at same direction（Such as, clockwise）Rotate, when the two-sided rack is up, the first water pump and the second water pump are same
Sample has an impeller at same direction respectively（Such as, clockwise）Rotate.So, just there are two water in whole coolant circulation loop
Pump works simultaneously（Rotate at same direction）, capacity usage ratio is higher.The heat absorption serpentine-like coil form of copper pipe 12 is fixed on metal
On the bottom surface of plate 13；Be provided with full width radiating fin on the import and export pipe of first water pump 18, the second water pump 17 into and out of
It is provided with mouth pipe on full width radiating fin 8, the horizontal tube of cooling water pipe 10 and is provided with half range radiating fin 9.Cooling water pipe
10 caliber is more than the caliber of heat absorption copper pipe 12, and pipe orifice joint 11 of the cooling water pipe 10 through concentric reducer is connected with heat absorption copper pipe 12；
The top of arc groove 15 is also fixed with the multiple arcs bar 16 as fixed bus offgas duct through bolt.The two-sided rack 1
Lower section be provided with back-moving spring, or, the upper end of the two-sided rack 1 and bus suspension articulation.
Claims (10)
1. a kind of public transport vehicle exhaust pipe temperature difference electricity generation device, it is characterized in that, absorb heat copper pipe（12）Cooling water import and export two ends or
There is the cooling water import and export two ends cooling pipe respectively with U-shaped of the heat absorption copper coin of liquid communication cavity in person（10）Two ends
Connect and constitute chilled(cooling) water return (CWR)；Absorb heat copper pipe（12）It is fixed on metallic plate（13）On bottom surface；Thermo-electric generation sheet（14）It is crimped on
Metallic plate（13）With positioned at metallic plate（13）The copper arc groove of top（15）Base plane between, or, the temperature difference hair
Electric piece（14）It is crimped on heat absorption copper coin and copper arc groove（15）Base plane between, it is above-mentioned to be used as the fixed public transport tailstock
The arc groove of tracheae（15）Negative camber matched with the profile of bus offgas duct；Cooling tube in above-mentioned chilled(cooling) water return (CWR)
Road（10）The first water pump is separately installed with inlet tube and outlet（18）With the second water pump（17）；The drive mechanism of first water pump
For：It is arranged on the two-sided rack contacted below public transport suspension and with suspension（1）Respectively with left gear（3a）And right gear（3）
Engagement, and left and right gear（3a、3）Respectively through bearing（5）And unilateral bearing（4）Installed in fixing axle（6）Upper and lobus dexter wheel shaft
（7）On, fixing axle（6）It is fixed on drive case（2）On, lobus dexter wheel shaft（7）Rotationally it is erected at drive case（2）On, and
Lobus dexter wheel shaft（7）Stretch out drive case（2）Front end on lobus dexter wheel is installed；The drive mechanism of second water pump and the first water pump
The structure of drive mechanism is identical；Two lobus dexter wheels in two drive mechanisms of above-mentioned first, second water pump are set respectively
In the first water pump（18）In the fluid passage of the pump housing and in the fluid passage of the second pump body, above-mentioned first, second water pump
Two unilateral bearings in two drive mechanisms（4）Driving direction it is opposite.
2. a kind of public transport vehicle exhaust pipe temperature difference electricity generation device according to claim 1, it is characterized in that, the heat absorption steel pipe
（12）Serpentine-like coil form is fixed on metallic plate（13）On bottom surface.
3. a kind of public transport vehicle exhaust pipe temperature difference electricity generation device according to claim 2, it is characterized in that, first water pump
（18）Import and export pipe on be provided with full width radiating fin, the second water pump（17）Import and export pipe on be provided with full width dissipate
Hot fin（8）, cooling water pipe（10）Horizontal tube on be provided with half range radiating fin（9）.
4. a kind of public transport vehicle exhaust pipe temperature difference electricity generation device according to claim 3, it is characterized in that, the cooling water pipe
（10）Caliber be more than heat absorption copper pipe（12）Caliber, cooling water pipe（10）Pipe orifice joint through concentric reducer（11）With heat absorption copper pipe
（12）Connection.
5. a kind of public transport vehicle exhaust pipe temperature difference electricity generation device according to Claims 1 to 4 any claim, its feature
It is, the arc groove（15）Top is also fixed with the multiple arcs bar as fixed bus offgas duct through bolt（16）.
6. a kind of public transport vehicle exhaust pipe temperature difference electricity generation device according to claim 5, it is characterized in that, the two-sided rack
（1）Lower section be provided with back-moving spring, or, the two-sided rack（1）Upper end and bus suspension articulation.
7. a kind of public transport vehicle exhaust pipe temperature difference electricity generation device, it is characterized in that, absorb heat copper pipe（12）Cooling water import and export two ends or
There is the cooling water import and export two ends cooling pipe respectively with U-shaped of the heat absorption copper coin of liquid communication cavity in person（10）Two ends
Connect and constitute chilled(cooling) water return (CWR)；Absorb heat copper pipe（12）It is fixed on metallic plate（13）On bottom surface；Thermo-electric generation sheet（14）It is crimped on
Metallic plate（13）With positioned at metallic plate（13）The copper arc groove of top（15）Base plane between, or, the temperature difference hair
Electric piece（14）It is crimped on heat absorption copper coin and copper arc groove（15）Base plane between, it is above-mentioned to be used as the fixed public transport tailstock
The arc groove of tracheae（15）Negative camber matched with the profile of bus offgas duct；Cooling tube in above-mentioned chilled(cooling) water return (CWR)
Road（10）The first water pump is separately installed with inlet tube and outlet（18）With the second water pump（17）；The drive mechanism of first water pump
For：It is arranged on the two-sided rack contacted below public transport suspension and with suspension（1）Respectively with left gear（3a）And right gear（3）
Engagement, the left and right gear is arranged in two impeller axles through two unilateral bearings of driving direction identical respectively, two impellers
Axle is rotationally erected at drive case respectively（2）On, two impeller axles stretch out drive case（2）Front end on be respectively mounted
There is an impeller；The drive mechanism of second water pump is identical with the structure of the drive mechanism of the first water pump；The drive of first water pump
Two impellers in motivation structure are arranged on the first water pump in tandem（18）The pump housing in, in the drive mechanism of the second water pump
Two impellers are arranged on the second water pump in tandem（17）The pump housing in.
8. a kind of public transport vehicle exhaust pipe temperature difference electricity generation device according to claim 7, it is characterized in that, the heat absorption steel pipe
（12）Serpentine-like coil form is fixed on metallic plate（13）On bottom surface；First water pump（18）Import and export pipe on be respectively provided with
There are full width radiating fin, the second water pump（17）Import and export pipe on be provided with full width radiating fin（8）, cooling water pipe（10）
Horizontal tube on be provided with half range radiating fin（9）.
9. a kind of public transport vehicle exhaust pipe temperature difference electricity generation device according to claim 8, it is characterized in that, the cooling water pipe
（10）Caliber be more than heat absorption copper pipe（12）Caliber, cooling water pipe（10）Pipe orifice joint through concentric reducer（11）With heat absorption copper pipe
（12）Connection；The arc groove（15）Top is also fixed with the multiple arcs bar as fixed bus offgas duct through bolt
（16）.
10. a kind of public transport vehicle exhaust pipe temperature difference electricity generation device according to claim 9, it is characterized in that, the two-sided rack
（1）Lower section be provided with back-moving spring, or, the two-sided rack（1）Upper end and bus suspension articulation.
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| CN201710358844.7A CN107086817B (en) | 2017-05-19 | 2017-05-19 | Bus exhaust pipe temperature difference power generation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710358844.7A CN107086817B (en) | 2017-05-19 | 2017-05-19 | Bus exhaust pipe temperature difference power generation device |
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| CN107086817A true CN107086817A (en) | 2017-08-22 |
| CN107086817B CN107086817B (en) | 2023-05-02 |
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| CN107086817B (en) | 2023-05-02 |
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