CN101418751A - Waste heat recovery device for motorgenerator - Google Patents
Waste heat recovery device for motorgenerator Download PDFInfo
- Publication number
- CN101418751A CN101418751A CNA200810235296XA CN200810235296A CN101418751A CN 101418751 A CN101418751 A CN 101418751A CN A200810235296X A CNA200810235296X A CN A200810235296XA CN 200810235296 A CN200810235296 A CN 200810235296A CN 101418751 A CN101418751 A CN 101418751A
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- Prior art keywords
- heat exchanger
- oil
- waste heat
- motorgenerator
- heat recovery
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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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- Motor Or Generator Cooling System (AREA)
Abstract
The invention relates to a waste heat recovery unit for engine generating set, which comprises an engine and a generator. The unit is characterized in that the generator is arranged in an oil chamber, an inner rotor is connected at the lower end of a crankshaft, an outer stator is fixed in an outer stator fixing device which is fixed on the crankcase cover and is inside provided with a coolant pipeline, and the coolant pipeline, a cooling pipeline for an oil heat exchanger, a cooling pipeline for an exhaust heat exchanger, and a cooling pipeline on the cylinder cover are communicated in order. Because the generator is arranged in an oil chamber, the outer stator is fixed in the outer stator fixing device which is fixed on the crankcase cover and is inside provided with a coolant pipeline, the coolant pipeline is communicated with the oil heat exchanger, the waste heat of the generator can be recovered, the waste heat recovery efficiency of the engine generator is higher, and the engine cooling effect is more ideal.
Description
Technical field
The present invention relates to a kind of waste heat recovery device for motorgenerator, specifically be to use cooling liquid to receive and dispatch the used heat of motivation and generator generation back and forth.
Background technique
Along with the appearance of global energy crisis, improve rate of energy and receive publicity day by day.Produce a large amount of used heat during the running of engine power generation unit, these used heat are recycled effectively, can improve the comprehensive utilization ratio of the energy.
A kind of waste heat recovery plant of motor is disclosed among the Japanese Patent Application Publication P2003-20994A, this device adopts the vertical shaft type motor, the top of motor is provided with generator, the bottom is provided with oil sump, be provided with oil heat exchanger in the oil sump, the exhaust of motor is through exhaust heat exchanger.This device can reclaim the heat of lubricant oil of motor and the used heat of engine exhaust very effectively.But the problem that this device exists is: because generator is the top that is arranged in motor, be to be undertaken air-cooled by the wind scooper wind-guiding.The heat that this wind is taken away is what be difficult to recycle, so the used heat that generator produces just well do not recycled, and heat recovery efficiency is not high.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, can reclaim the used heat that generator produces, heat recovery efficiency height, the waste heat recovery device for motorgenerator that cooled engine is effective thereby provide a kind of.
According to technological scheme provided by the invention, a kind of waste heat recovery device for motorgenerator, comprise motor and generator, described motor is by body, crankcase cover and oil sump are linked in sequence up and down and form, body one side is provided with cylinder head and exhaust heat exchanger, outlet pipe on the described cylinder head passes described exhaust heat exchanger, described engine interior is divided into two spaces up and down, gear chamber is formed by body and crankcase cover in last space, bent axle is housed in the gear chamber, bent axle passes the downward space of gear chamber and stretches out, accumulator is formed by crankcase cover and oil sump in following space, be provided with oil heat exchanger in the accumulator, described generator is made up of internal rotor and external stator, feature is: described generator arrangements is in described accumulator, described internal rotor is connected the lower end of bent axle, described external stator is fixed in the external stator fixing device, the external stator fixing device is fixed on the crankcase cover, external stator fixing device inside is provided with coolant duct, described coolant duct, the cooling line of oil heat exchanger, the cooling line of exhaust heat exchanger and the cooling line on the cylinder head are communicated with in proper order.
The outlet pipe of described cylinder head is provided with temperature transducer.The outlet pipe of described cylinder head is provided with valve.
The pipeline of described coolant duct and oil heat exchanger is connected on the pipe connection.
Be furnished with drainback passage on the periphery of described crankcase cover equably.The top of described drainback passage is provided with ventilating hole.Described external stator fixing device is provided with boss.
Compared with the prior art the present invention has the following advantages:
1, since generator arrangements in accumulator, the external stator of generator is fixed in the external stator fixing device, the external stator fixing device is fixed on the crankcase cover, external stator fixing device inside is provided with coolant duct, coolant duct communicates with oil heat exchanger, can make the used heat of generator obtain reclaiming, the waste heat recovery efficient of engine power generation unit is higher, and the effect of cooled engine is better.
2, the lubricant oil maximum oil position in the oil sump does not contact with internal rotor, can avoid lubricant oil exceedingly to be stirred, thereby prevent phenomenons such as machine oil degenerates, and engine operation is undesired.
3, because lubricant oil by the oil-feed oil circuit inspiration of oil pump from the oil sump lowest part, at the upper surface of getting back to the lubricant oil the oil sump from the special-purpose drainback passage of crankcase cover, has therefore been realized the convection current of lubricant oil at the bent axle axial direction.
4, be arranged in equably on the periphery of crankcase cover owing to drainback passage, so lubricant oil can improve the heat exchange efficiency of oil heat exchanger in the convection current on every side of oil heat exchanger.
5, the cooling order of cryogenic liquid in waste heat recovery mechanism is successively, the coolant duct of generator external stator fixing device inside, oil heat exchanger in the oil sump, exhaust heat exchanger, cooling line in the cylinder head, cooling liquid is heated by the sequentially feeding of above-mentioned cooling route, and cryogenic liquid is cooled electric generator, Lubricants effectively, can reduce delivery temperature, the temperature of cylinder head.
6, because the coolant duct of external stator fixing device inside and the oil heat exchanger in the oil sump are same turnover cooling pipe, thereby the water pipe of having simplified whole engine power generation unit is arranged, structure obtains simplifying, and the cooling liquid good sealing effect guarantees that cooling liquid can not be leaked in the lubricant oil.
Description of drawings
Fig. 1 is a final assembly schematic representation of the present invention.
Fig. 2 is the right elevation of Fig. 1.
Fig. 3 is the plan view of Fig. 1.
Fig. 4 has wherein removed the cooling pipe of engine body exterior for the A-A among Fig. 1 analyses and observe.
Fig. 5 is the present invention's China and foreign countries' stator fixing apparatus and oil heat exchanger connection diagram.
Fig. 6 is a lubricating oil return passage cross-sectional schematic of the present invention.
Fig. 7 is a cooling line connecting part block diagram of the present invention.
Embodiment
Embodiment during following the present invention incites somebody to action in conjunction with the accompanying drawings is further described:
As Fig. 1～shown in Figure 7, comprise body 1, crankcase cover 2, intake pipe 3, oil sump 4, the first connecting tubes 5, secondary filter 6, relief opening 7, fill hose joint 8, titting water outlet 9, exhaust heat exchanger 10, the second connecting tubes 11, valve mechanism cover 12, cylinder head 13, valve 14, outlet pipe 15, temperature transducer 16, bent axle 17, internal rotor 18, external stator 19, external stator fixing device 20, coolant duct 21, axle sleeve 22, nut 23, oil heat exchanger 24, boss 25, pipe connection 26, outer pipe 27, inlet tube 28, drainback passage 29 and ventilating hole 30 etc.
As Fig. 1～shown in Figure 3, the present invention includes motor and generator.This motor is the vertical shaft type motor, and being linked in sequence up and down by body 1, crankcase cover 2 and oil sump 4 forms.
As shown in Figure 4, engine interior is divided into two spaces up and down.Gear chamber is formed by body 1 and crankcase cover 2 in last space, and bent axle 17 is housed in the gear chamber, and bent axle 17 passes the downward space of gear chamber and stretches out.Accumulator is formed by crankcase cover 2 and oil sump 4 in following space, is provided with oil heat exchanger 24 in the accumulator.Generator is made up of internal rotor 18 and external stator 19.Generator is driven by bent axle 17 and produces electric current.Generator arrangements is in accumulator, and the internal rotor 18 of generator is connected the lower end of bent axle 17 by axle sleeve 22, and axle head is fixing with nut 23.External stator 19 is pressed in the external stator fixing device 20.External stator fixing device 20 is the cylindrical bodys that formed by aluminium alloy compression casting, and its inside is cast with coolant duct 21, and coolant duct 21 communicates with oil heat exchanger 24.
As Fig. 5, shown in Figure 6, the cooling line of coolant duct 21 and oil heat exchanger 24 is by being welded to connect on pipe connection 26.Pipe connection 26 is equivalent to a pipe joint, and two outlets are arranged, between two outlets by pipeline connection, the outlet of outlet and coolant duct 21 welding, the inlet welding of another outlet and oil heat exchanger 24 cooling lines.In the present embodiment, between the cooling line of coolant duct 21 and oil heat exchanger 24 for connecting, but also can be parallel connection between them.The excircle of external stator fixing device 20 is provided with 6 boss 25.External stator fixing device 20 is fixed on the crankcase cover 2 by boss 25.Be furnished with drainback passage 29 on the periphery of crankcase cover 2 equably.The top of drainback passage 29 is provided with ventilating hole 30, to guarantee the air pressure balance in the oil sump 4.
As shown in Figure 1 and Figure 2, a side of body 1 is provided with cylinder head 13 and exhaust heat exchanger 10, is connected with valve mechanism cover 12 on the cylinder head 13.Outlet pipe on the cylinder head 13 passes exhaust heat exchanger 10, and the relief opening 7 of outlet pipe stretches out from the below of exhaust heat exchanger 10.
Cooling line on coolant duct 21, oil heat exchanger 24 and the cylinder head 13 of exhaust heat exchanger 10 and external stator fixing device 20 inside communicates.
The cooling pipe of waste heat recovery plant is linked in sequence by the cooling line of the cooling line of the coolant duct 21 of generator external stator fixing device 20 inside, oil heat exchanger 24, exhaust heat exchanger 10 and the cooling line on the cylinder head 13 and forms.As shown in Figure 7, cold water enters intake pipe 3 by fill hose joint 8, and then enter the coolant duct 21 of external stator 19 by inlet tube 28, then enter the cooling line of oil heat exchanger 24, enter first connecting tube 5 by outer pipe 27, enter the cooling line of exhaust heat exchanger 10 then, the cooling water that flows out from the cooling line of exhaust heat exchanger 10 enters cooling line on the cylinder head 13 by second connecting tube 11, flows out from titting water outlet 9 by outlet pipe 15 then.
The outlet pipe 15 of cylinder head 4 is provided with temperature transducer 16 and valve 14.When temperature throttle down 14 when predefined temperature is following of cooling liquid, stop the circulation of cooling liquid, prevent that the temperature of cylinder is low.
Cooling liquid coolant duct 21 in the supply generator external stator fixing device 20 when its temperature is low, after having cooled off generator fully, carry out heat exchange with oil heat exchanger 24 in the oil sump 4 and obtain effective heat, again by exhaust heat exchanger 10, again to by the cooling line cooling air cylinder head part that is arranged on the engine cylinder cap 13, heat recovery once more, its temperature raises more.
Oil pump is installed on interior crankcase cover 2 inwalls of accumulator, and the oil pump inner rotor shaft is installed on the camshaft, rotates together with camshaft.Oil pump sucks low-pressure cavity to the machine oil in the accumulator by the strainer inflow pipeline, push and be pressed into hyperbaric chamber, coming the secondary filter 6 that is installed in external engine filters once more, filter qualified machine oil and remove lubricated all component that need lubricate, as casing wall in bent axle 17, camshaft, piston and the cylinder etc., machine oil pressure release after having lubricated is to the interior low-lying place of gear chamber, low-lying place all is provided with drainback passage 29, drainback passage 29 communicates with accumulator, has got back to accumulator again thereby store up at the machine oil at low-lying place.
Lubricant oil maximum oil position in the oil sump 4 does not contact with the internal rotor 18 of generator, thereby can avoid lubricant oil exceedingly to be stirred, and prevents phenomenons such as machine oil degenerates, and engine operation is undesired.Lubricant oil at the upper surface of getting back to the lubricant oil the oil sump from the special-purpose drainback passage 29 of crankcase cover 2, has therefore been realized the convection current of lubricant oil at the bent axle axial direction by the oil-feed oil circuit inspiration of oil pump from the oil sump lowest part.Because drainback passage 29 is arranged on the periphery of crankcase cover 2 equably, so lubricant oil can improve the heat exchange efficiency of oil heat exchanger 24 in the convection current on every side of oil heat exchanger 24.
Claims (7)
1, a kind of waste heat recovery device for motorgenerator, comprise motor and generator, described motor is by body (1), crankcase cover (2) and oil sump (4) are linked in sequence up and down and form, body (1) one side is provided with cylinder head (13) and exhaust heat exchanger (10), outlet pipe on the described cylinder head (13) passes described exhaust heat exchanger (10), described engine interior is divided into two spaces up and down, gear chamber is formed by body (1) and crankcase cover (2) in last space, bent axle (17) is housed in the gear chamber, bent axle (17) passes the downward space of gear chamber and stretches out, accumulator is formed by crankcase cover (2) and oil sump (4) in following space, be provided with oil heat exchanger (24) in the accumulator, described generator is made up of internal rotor (18) and external stator (19), it is characterized in that: described generator arrangements is in described accumulator, described internal rotor (18) is connected the lower end of bent axle (17), described external stator (19) is fixed in the external stator fixing device (20), external stator fixing device (20) is fixed on the crankcase cover (2), external stator fixing device (20) inside is provided with coolant duct (21), described coolant duct (21), the cooling line of oil heat exchanger (24), cooling line on the cooling line of exhaust heat exchanger (10) and the cylinder head (13) is communicated with in proper order.
2, waste heat recovery device for motorgenerator according to claim 1 is characterized in that the outlet pipe (15) of described cylinder head (13) is provided with temperature transducer (16).
3, waste heat recovery device for motorgenerator according to claim 1 is characterized in that the outlet pipe (15) of described cylinder head (13) is provided with valve (14).
4, waste heat recovery device for motorgenerator according to claim 1 is characterized in that the described coolant duct (21) and the pipeline of oil heat exchanger (24) are connected on the pipe connection (26).
5, waste heat recovery device for motorgenerator according to claim 1 is characterized in that being furnished with drainback passage (29) equably on the periphery of described crankcase cover (2).
6, waste heat recovery device for motorgenerator according to claim 5 is characterized in that the top of described drainback passage (29) is provided with ventilating hole (30).
7, waste heat recovery device for motorgenerator according to claim 1 is characterized in that described external stator fixing device (20) is provided with boss (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810235296XA CN101418751B (en) | 2008-11-14 | 2008-11-14 | Waste heat recovery device for motorgenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810235296XA CN101418751B (en) | 2008-11-14 | 2008-11-14 | Waste heat recovery device for motorgenerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101418751A true CN101418751A (en) | 2009-04-29 |
| CN101418751B CN101418751B (en) | 2010-06-09 |
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ID=40629707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810235296XA Expired - Fee Related CN101418751B (en) | 2008-11-14 | 2008-11-14 | Waste heat recovery device for motorgenerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101418751B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555597A (en) * | 2017-09-27 | 2019-04-02 | 新奥（中国）燃气投资有限公司 | Gas cogeneration unit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3767785B2 (en) * | 1999-10-22 | 2006-04-19 | 本田技研工業株式会社 | Engine exhaust heat recovery device |
| JP3646859B2 (en) * | 1999-11-01 | 2005-05-11 | 本田技研工業株式会社 | Engine exhaust heat recovery device |
| JP4548694B2 (en) * | 2001-04-20 | 2010-09-22 | 本田技研工業株式会社 | Engine exhaust heat recovery device |
-
2008
- 2008-11-14 CN CN200810235296XA patent/CN101418751B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555597A (en) * | 2017-09-27 | 2019-04-02 | 新奥（中国）燃气投资有限公司 | Gas cogeneration unit |
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| Publication number | Publication date |
|---|---|
| CN101418751B (en) | 2010-06-09 |
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| C06 | Publication | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20171114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |