CN101017065A - Heat recovery apparatus - Google Patents
Heat recovery apparatus Download PDFInfo
- Publication number
- CN101017065A CN101017065A CN200710008100.9A CN200710008100A CN101017065A CN 101017065 A CN101017065 A CN 101017065A CN 200710008100 A CN200710008100 A CN 200710008100A CN 101017065 A CN101017065 A CN 101017065A
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- Prior art keywords
- condensation
- heat
- evaporation
- heat pipe
- flange portion
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/03—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
- F28D1/0308—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other
- F28D1/0325—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
- F28D1/0333—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another the plates having integrated connecting members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
- F28F2265/26—Safety or protection arrangements; Arrangements for preventing malfunction for allowing differential expansion between elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Exhaust Silencers (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Air-Conditioning For Vehicles (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A heat recovery apparatus has an evaporating part for evaporating an internal fluid and a condensing part for condensing the internal fluid evaporated in the evaporating part. The evaporating part and the condensing part are in communication with each other through a looped passage for circulating the internal fluid therethrough. The evaporating part has evaporating heat pipes and evaporating fins. Each evaporating heat pipes has flange portions at longitudinal ends thereof. The flange portions project in a direction perpendicular to a longitudinal direction of the evaporating heat pipe and have a tubular shape. The evaporating heat pipes and the evaporating fins are alternately stacked and brazed, and the flange portions of the adjacent evaporating heat pipes are coupled to and brazed to each other such that communication portions are provided by the coupled flange portions and longitudinal ends of the evaporating heat pipes.
Description
Technical field
The present invention relates to a kind of heat reclamation device that for example in vehicle, uses.
Background technology
The known principle of using heat pipe in heat exchanger is for example disclosed in Japan not substantive examination patent disclosure No.4-45393.In this heat exchanger, evaporation section and condensation portion are arranged on the circulation canal of sealing.The circulation canal of sealing forms airtight loop.Can evaporating also, condensable heat-transfer fluid is closed in the closed circulation passage.
Evaporation section is carried out the heat exchange between heat-transfer fluid and the external fluid, vaporized heat transfer fluid thus.Condensation portion is arranged in the position that is higher than evaporation section.Condensation portion is carried out heat-transfer fluid and the heat exchange between the external fluid, the condensation heat transfer fluid thus that has evaporated in evaporation section.
In addition, proposed to use such loop heat pipe heat exchanger as the heat reclamation device in the vehicle.For example, evaporation section is arranged in the waste pipe being used to the reclaiming heat of discharging gas, and heat can be used for heating operation.Fig. 7 has shown the example of employed heat reclamation device in vehicle.Heat reclamation device has evaporation section J1 and condensation portion J2, and two parts all comprise heat pipe J3.Vertical end of heat pipe J3 is connected to collector (header) (connected component) J6.This heat reclamation device is for example made in the following manner.
At first, build-up member J3, J4, J6.For example, the end of heat pipe J3 is inserted in the hole, slit of collector J6, fin J4a, J4b are between heat pipe J3.Then, utilize this assembly of fixture predetermined fixed that on both direction, applies load such as anchor clamps.Particularly, on direction, apply load with fixedly heat pipe J3 and fin J4a, J4b, and on the direction that is parallel to heat pipe J3, apply load so that collector J6 is fixed to heat pipe J3 perpendicular to heat pipe J3.With this understanding, assembly is heated by heater, so parts J3, J4, J6 are integrally welded.
For example make with top by stainless steel with high corrosion resistance.Because evaporation section J1 stands high temperature in blast pipe, nickel alloy is used as the welding material that is used to weld.Yet,, therefore need high welding temperature because the fusing point of nickel alloy is high.Therefore, will be difficult under so high welding temperature, on both direction, apply load at weld period.
Further, evaporation section J1 thermal expansion owing to the high temperature in the blast pipe.In this structure, because the thermal expansion of the thermal expansion of heat pipe J3 and contraction (arrow X) and collector J6 and thermal stress that contraction (arrow Y) is produced focus on the coupling part between heat pipe J3 and the collector J6.This will cause the damage of coupling part.
Summary of the invention
Consider that the problems referred to above propose the present invention, and the purpose of this invention is to provide a kind of heat reclamation device with production capacity of improvement.Another object of the present invention provides a kind of heat reclamation device that can reduce thermal stress.
According to an aspect of the present invention, heat reclamation device has evaporation section and condensation portion.Evaporation section and condensation portion are arranged on the return passage, and internal flow is by described return passage circulation.Evaporation section is carried out the heat exchange between internal flow and the first fluid, evaporates internal flow thus.Heat exchange between second fluid of the temperature that internal flow that the condensation portion execution is evaporated in evaporation section and temperature are lower than first fluid, condensation internal flow thus.
Evaporation section has a plurality of evaporation heat pipes and evaporative heat loss sheet.Each evaporation heat pipe all has flange portion, described flange portion with the perpendicular direction of longitudinal direction of evaporation heat pipe on outstanding from the end of described evaporation heat pipe.Each flange portion all has tube shape.Evaporation heat pipe and evaporative heat loss sheet with the perpendicular direction of the longitudinal direction of evaporation heat pipe on alternately piled up and welded, and the flange portion of adjacent evaporation heat pipe is connected to and is welded to each other, so that by vertical end of flange portion and evaporation heat pipe the evaporation connected component is set.
In this structure because connected component forms by the flange portion that connects the evaporation heat pipe, so heat reclamation device be held in one direction, promptly be maintained at the perpendicular direction of the longitudinal direction that evaporates heat pipe on situation under soldered.Therefore, heat reclamation device is easy to assembling and welding.
According to a second aspect of the invention, evaporation section is connected with condensation portion layout close to each other and by attaching parts.Therefore, a kind of heat reclamation device of compactness is provided.For example, evaporation section and condensation portion are connected, so that evaporation tube and condensation heat pipe are parallel to each other.In the case, evaporation section and condensation portion are integrally welded.Therefore, production capacity improves.
According to a third aspect of the invention we, evaporation section has the stress absorption part in connected component.Because evaporation section is placed in the first fluid stream of high temperature, so it produces thermal expansion.Since with the perpendicular direction of longitudinal direction of evaporation heat pipe on thermal expansion absorbed by the stress absorption part, so thermal stress is reduced.
Description of drawings
Other purpose of the present invention, feature and advantage will become clearer from the following detailed description of reference accompanying drawing, wherein identical part represents with identical Reference numeral, wherein:
Fig. 1 is the schematic cross-sectional view according to the heat reclamation device of first embodiment of the invention;
Fig. 2 is the viewgraph of cross-section according to the evaporation heat pipe of the heat reclamation device of first embodiment;
Fig. 3 is the schematic cross-sectional view according to the heat reclamation device of second embodiment of the invention;
Fig. 4 is the schematic cross-sectional view according to the evaporation connected component of the heat reclamation device of third embodiment of the invention;
Fig. 5 is the viewgraph of cross-section according to the evaporation heat pipe of the heat reclamation device of fourth embodiment of the invention;
Fig. 6 is the viewgraph of cross-section of the evaporation connected component of heat reclamation device according to another embodiment of the present invention; With
Fig. 7 is the schematic cross-sectional view as the heat reclamation device of correlation technique.
The specific embodiment
(first embodiment)
With reference to Fig. 1 and 2 the first embodiment of the present invention is described.Heat reclamation device for example is installed on the vehicle, being used for collecting the used heat of discharging gas from the gas extraction system of vehicle motor, and with the heat collected as the thermal source that is used for air-conditioning system etc.
As shown in fig. 1, heat reclamation device has evaporation section 1 and condensation portion 2, and described evaporation section 1 and condensation portion 2 are near arranging each other.Evaporation section 1 is arranged in the evaporation shell 100, and described evaporation shell 100 is arranged in the waste pipe (not shown).Evaporation section 1 is carried out the heat exchange of discharging between gas and the heat-transfer fluid (internal flow), vaporized heat transfer fluid thus.
Next, will the structure of evaporation section 1 be described.Evaporation section 1 has the first heat exchange section 5a.The first heat exchange section 5a comprises evaporation heat pipe 3a and evaporative heat loss sheet 4a.Evaporative heat loss sheet 4a for example is wavy fin, and is connected to the outer surface of evaporation heat pipe 3a.
Each evaporation heat pipe 3a has the flat tube shape.Evaporation heat pipe 3a is arranged to parallel to each other and goes up extension in vertical direction (arrow A 1 among Fig. 1).Fig. 2 has shown the cross section that is limited to perpendicular to the evaporation heat pipe 3a on the direction of the longitudinal direction that evaporates heat pipe 3a.
Each evaporation heat pipe 3a is arranged to, and the longitudinal axis of cross section is parallel to discharges the gas flow direction.That is, the above-below direction of Fig. 2 is consistent with discharge gas flow direction.In Fig. 1, consistent with discharge gas flow direction perpendicular to the direction of paper plane.
Herein, that evaporation collector 6a that is arranged in the upper end of heat pipe 3a is called as the first evaporation collector 61a.Another evaporation collector that is arranged in the lower end of heat pipe 3a is called as the first return header 62a.
As shown in Figure 2, each evaporation heat pipe 3a is made of a pair of forming board as the heat of evaporation duct member (formed plate) 31a, 32a, and each plate all has roughly plate shape and U-shaped cross-section roughly. Forming board 31a, 32a are relatively so that limit the evaporation tube space between them.
Further, each forming board 31a, 32a have a pair of evaporation flange portion 33a at their vertical end place.Each evaporation flange portion 33a is outstanding on the outward direction of heat pipe 3a.Flange portion 33a has the general tube shape shape and limits the opening at place, end.Forming board 31a, 32a are relatively so that flange portion 33a is outstanding in the opposite direction.
The diameter of the opening of one flange portion 33a among a pair of forming board 31a, the 32a is greater than another the diameter of opening of flange portion 33a among described a pair of forming board 31a, the 32a.Therefore, the end of the flange portion 33a of a heat pipe 3a holds and is bonded in the end of flange portion 33a of adjacent heat pipe 3a.
Next, will the structure of condensation portion 2 be described.As shown in fig. 1, condensation portion 2 has the second heat exchange section 5b.The second heat exchange section 5b comprises condensation heat pipe 3b and condensation fin 4b.Condensation fin 4b for example is straight fin and is connected on the outer surface of condensation heat pipe 3b.
Each condensation heat pipe 3b has the flat tube shape, and 3a is similar to the evaporation heat pipe.Condensation heat pipe 3b is arranged to, and the main shaft in its cross section that limits perpendicular to longitudinal direction is parallel to the cooling-water flow direction.Further, condensation heat pipe 3b is arranged parallel to each other and goes up extension in vertical direction (arrow A 1).
One of the condensation collector 6b that is arranged in the upper end of condensation heat pipe 3b is called as the second condensation collector 61b.Another condensation collector 6b that is arranged in the lower end of condensation heat pipe 3b is called as the second return header 62b.
3a is similar to the evaporation heat pipe, and each condensation heat pipe 3b is made of a pair of forming board 31b, the 32b as the condensation heat duct member.Condensation heat pipe 3b has the cross section similar, as shown in Figure 2 to evaporation heat pipe 3a.Each forming board 31b, 32b have roughly plate shape and U-shaped cross-section roughly. Forming board 31b, 32b are relatively so that limit the condenser pipe space between them.
Further, each forming board 31b, 32b have a pair of condensation flange portion 33b at their longitudinal end.Each condensation flange portion 33b is outstanding on the outward direction of heat pipe 3b.Flange portion 33b has the general tube shape shape and is limited to the opening at its place, end.Forming board 31a, 32b are relatively so that flange portion 33b is outstanding in the opposite direction.
The diameter of the opening of one flange portion 33b among a pair of forming board 31b, the 32b is greater than another the diameter of opening of flange portion 33a among described a pair of forming board 31b, the 32b.Therefore, the end of the flange portion 33b of a heat pipe 3b holds and is bonded in the end of flange portion 33b of adjacent heat pipe 3b.
Further, interior fin 34 is arranged among evaporation heat pipe 3a and the condensation heat pipe 3b, and is regional to be used for increasing heat transfer, thereby improves heat transfer efficiency, as shown in Figure 2.
Because tube connector 7 is set between evaporation collector 6a and the condensation collector 6b, so gap 8 is maintained between evaporation section 1 (evaporation shell 100) and the condensation portion 2 (condensation shell 200).Evaporation section 1 and condensation portion 2 are passed through gap 8 by thermal isolation.
Next, will a kind of method of making heat reclamation device be described.At first, evaporation forming board 31a, 32a are paired.Paired molded plate 31a, 32a and evaporative heat loss sheet 4 alternately are stacked on the direction perpendicular to the longitudinal direction that evaporates heat pipe 3a in the evaporation shell 100.Utilize this, the end of the evaporation flange portion 33a of adjacent evaporation heat pipe 3a is engaged with each other so that communicate with each other.Therefore, evaporation collector 6a is made of the longitudinal end of flange portion 33a that connects and evaporation heat pipe 3a.
Similarly, condensation forming board 31b, 32b are paired.Paired forming board 31b, 32b and condensation fin 4b alternately are stacked in the condensation shell 200 on the direction perpendicular to the longitudinal direction of condensation heat pipe 3b.Utilize this structure, the end of the condensation flange portion 33b of adjacent condensation heat pipe 3b is engaged with each other so that communicate with each other.Therefore, condensation collector 6b is made of condensation flange portion 33b that connects and the longitudinal end of condensation heat pipe 3b.
Then, tube connector 7 is connected between evaporation collector 6a and the condensation collector 6b.Therefore, described parts 100,200,31a, 32a, 31b, 32b, 4a, 4b pile up on a direction (stacking direction, arrow A 2).
Thereafter, stacked components is kept on stacking direction by the anchor clamps (not shown) and is fixing, so that predetermined load is applied on stacking direction.In the case, the parts that pile up are placed in the smelting furnace and are heated.Therefore, parts are integrally welded.
That is the coupling part between welding heat pipe 3a, 3b, fin 4a, 4b, collector 6a, 6b and the tube connector 7.In the case, forming board 31a, 32a, 31b, 32b are with soldered when other parts weld mutually.In other words, in integral solder, form heat pipe 3a, 3b.In an embodiment, all parts are all made by stainless steel, and nickel alloy is as welding material.
As mentioned above, heat pipe 3a, 3b form by being arranged in pairs forming board 31a, 32a, 31b, 32b and welding them, and heat pipe 3a, 3b and fin 4a, 4b integrally pile up.Therefore, the assembly of assembled in advance only is held in one direction at weld period.That is, only on stacking direction, apply load at weld period.Like this, be easy to assemble all parts with the sweating heat retracting device.
In this embodiment, evaporation section 1 and condensation portion 2 layouts close to each other.For example, evaporation section 1 and condensation portion 2 are arranged to, and evaporation collector 6a and condensation collector 6b are in alignment with each other.Therefore, heat reclamation device is reduced dimensionally and is easy to and is installed on the vehicle.Further, because evaporation section 1 and condensation portion 2 are simultaneously soldered, therefore reduced manufacturing step.
(second embodiment)
With reference to Fig. 3 second embodiment is described.Herein, identical parts are represented with identical Reference numeral, and its explanation will no longer repeat.
As shown in Figure 3, as the evaporation forming board 31a of one of paired forming board, have first corrugated portion 9 as the stress absorption part, wherein said first corrugated portion 9 is extended from flange portion 33a.First corrugated portion 9 integrally forms with flange portion 33a.The end of first corrugated portion 9 limits opening and is configured to engaged at end with the flange portion 33a of the forming board 32a of adjacent evaporation heat pipe 3a.
First corrugated portion 9 is formed with first and protrudes 91.In the example of Fig. 3, form two first and protrude 91.First protrudes 91 can be in the expansion in the radial direction and the contraction of first corrugated portion 9.Each first protrusion 91 all also extends on the circumferencial direction of first corrugated portion 9 fully outstanding on the radial outward direction.So, first corrugated portion 9 becomes the form of ripple and can expand and shrink, and is flexible on the stacking direction (arrow A 2) of evaporation heat pipe 3a promptly.
Further, evaporation section 1 and condensation portion 2 are connected by corrugated connecting tube, and described corrugated connecting tube has second corrugated portion 10 as the stress absorption part, and described corrugated connecting tube replaces the straight line tube connector 7 of first embodiment.Corrugated connecting tube is formed independently parts, and corrugated connecting tube engages with first corrugated portion 9 of evaporation heat pipe 3a and the flange portion 33b of condensation heat pipe 3b, wherein said first corrugated portion 9 is adjacent with condensation portion 2, and described flange portion 33b is adjacent with evaporation section 1.
Each second corrugated portion 10 all is formed with second and protrudes 101.In the example of Fig. 3, form three second and protrude 101.Each second protrusion 101 all also extends on the circumferencial direction of second corrugated portion 10 fully outstanding on the radial outward direction.Second protrudes 101 can be in the expansion in the radial direction and the contraction of second corrugated portion 10.That is, corrugated connecting tube is the form of ripple and can expands and shrink, and is flexible on the stacking direction (arrow A 2) of evaporation heat pipe 3a promptly.
Because the quantity of the protrusion 101 of each second corrugated portion 10 is greater than the quantity of the protrusion 91 of each first corrugated portion 9, therefore second corrugated portion, 10 to the first corrugated portion 9 have more elasticity.
Next, will the operating process of heat reclamation device be described.
Because evaporation section 1 is arranged in the waste pipe (not shown), so it stands high temperature every now and then.Therefore, evaporation heat pipe 3a and evaporation collector 6a expand hugely and shrink.Because first corrugated portion 9 is flexible on the stacking direction of evaporation heat pipe 3a, the thermal expansion of therefore evaporating on the stacking direction of heat pipe 3a is absorbed.Further, because the expansion and shrinking on the longitudinal direction of evaporation heat pipe 3a of first projection 91, the thermal expansion of therefore evaporating on the longitudinal direction of heat pipe 3a is absorbed.
In above-mentioned second embodiment, the thermal expansion on the stacking direction of evaporation heat pipe 3a is absorbed by first corrugated portion 9, and the thermal expansion on the longitudinal direction of evaporation heat pipe 3a is protruded 91 absorptions by first of first corrugated portion 9.Therefore, the thermal stress of the coupling part of each parts reduces.
In addition, the described evaporation section 1 and the thermal stress between the condensation portion 2 that produce owing to the temperature difference between evaporation section 1 and the condensation portion 2 are absorbed effectively by second corrugated portion 10, and the elasticity that wherein said second corrugated portion 10 is had is higher than first corrugated portion 9.
(the 3rd embodiment)
With reference to Fig. 4 the 3rd embodiment is described.Same parts is represented with same reference numerals, and its explanation will no longer repeat.
As shown in Figure 4, first corrugated portion 9 forms individual components.The end of each first corrugated portion 9 engages with the end of the flange portion 33a that evaporates forming board 31a, 32a respectively.Also in this embodiment, provide similar advantageous effects.
In addition, form because first corrugated portion 9 is independent of evaporation forming board 31a, 32a, therefore compare with the situation that the flange portion 33a of forming board 31a, 32a integrally forms with first corrugated portion 9, easier formation first protrudes 91.
(the 4th embodiment)
With reference to Figure 4 and 5 the 4th embodiment is described.Same parts is represented with same reference numerals, and its explanation will no longer repeat.
Can revise the structure of forming board 31a, 32a, 31b, 32b.As shown in Figure 5, each evaporates forming board 31a, all U-shaped forms 32a by bending to plate roughly.Each forming board 31a, 32a have flat part 310a, 320a and the counter-lateral quadrents at flat part 310a, place, 320a side divides 311a, 321a.Side part 311a, 321a are approximately perpendicular to flat part 310a, 320a.
The spacing of the side part 311a of evaporation forming board 31a is less than the spacing of the side part 321a of evaporation forming board 32a.Therefore, evaporation plate 31a, 32a engage, so that the inner surface of side part 311a and side part 321a is overlapping.
Forming board 31b, the 32b of condensation heat pipe 3b has flat part 310b, 320b and side part 311b, 321b, and similarly engages with forming board 31a, the 32a of evaporation heat pipe 3a.In addition in this embodiment, also provide similar advantageous effects.
(other embodiment)
In a second embodiment, two protrusions 91 are formed on each first corrugated portion 9.Yet the quantity of protrusion 91 is not limited to two.For example, first corrugated portion 9 has one and protrudes 91, as shown in Figure 6.In addition, heat reclamation device has first corrugated portion 9 and second corrugated portion 10 both is not essential all the time.For example, can cancel second corrugated portion 10 according to service condition.
In above embodiment, evaporation collector 61a, 61b have identical size with return header 62a, 62b on the longitudinal direction of heat pipe 3a, 3b.Yet evaporation collector 61a, 61b and return header 62a, 62b can be of different sizes, as long as the size of evaporation collector 61a, 61b is greater than the size of return header 62a, 62b.
In above embodiment, interior fin 34 is arranged in heat pipe 3a, the 3b.Yet interior fin 34 can be cancelled.
Further, evaporation section 1 and condensation portion 2 layouts close to each other are not essential all the time.Evaporation section 1 and condensation portion 2 can be arranged with leaving.In addition, the structure shown in the structure of condensation portion 2 can be not limited to.
In above embodiment, each heat pipe is formed by a pair of forming board 31a, 32a, 31b, 32b.Yet it is not essential all the time that heat pipe 3a, 3b are formed by two forming board 31a, 32a, 31b, 32b.
In above embodiment, tube connector is formed individual components.Yet, tube connector can with evaporation heat pipe 3a and condensation heat pipe 4a in one integrally form.Further, above embodiment can use mutually with any combination.
In addition, the layout of evaporation section 1 and condensation portion 2 is not limited in blast pipe and the engine cool aquaporin.Further, the heat that reclaims in evaporation section 1 can be used for other purpose arbitrarily.In addition, the use of heat reclamation device is not limited to vehicle, also can be used for other purpose.
Exemplary embodiment of the present invention has more than been described.Yet the present invention is not limited to above embodiment, under the situation that does not deviate from spirit of the present invention, also can pass through embodied in other.
Claims (12)
1. heat reclamation device comprises:
Evaporation section (1), described evaporation section (1) is used to carry out the heat exchange between internal flow and the first fluid, evaporates internal flow thus; With
Condensation portion (2), described condensation portion (2) are used for carrying out the heat exchange between second fluid of the temperature that the internal flow that evaporation section (1) is evaporated and temperature are lower than first fluid, condensation internal flow thus, wherein
Evaporation section (1) and condensation portion (2) communicate with each other by return passage, and wherein said return passage is used to make internal flow to pass through its circulation, wherein
Evaporation section (1) has a plurality of evaporation heat pipes (3a) and evaporative heat loss sheet (4a), each evaporation heat pipe (3a) all has flange portion (33a), described flange portion (33a) with the perpendicular direction of longitudinal direction of evaporation heat pipe (3a) on outstanding from the longitudinal end of described evaporation heat pipe (3a), and each described flange portion (33a) all has tube shape
Evaporation heat pipe (3a) and evaporative heat loss sheet (4a) are alternately piled up on the direction perpendicular to the longitudinal direction that evaporates heat pipe (3a) and are welded, and the flange portion (33a) of adjacent evaporation heat pipe (3a) is bonded to each other and welds, so that by the longitudinal end of flange portion (33a) and evaporation heat pipe (3a) evaporation connected component (6a) is set.
2. heat reclamation device according to claim 1, wherein:
Each described evaporation heat pipe (3a) is made of the first heat of evaporation duct member (31a) and the second heat of evaporation duct member (32a), each the described first heat of evaporation duct member (31a) and the second heat of evaporation duct member (32a) all have flange portion (33a) at their vertical end
(31a 32a) is arranged to make flange portion (33a) outstanding in the opposite direction, and welds under situation about being arranged between the evaporative heat loss sheet (4a) the first and second heat of evaporation duct members.
3. heat reclamation device according to claim 1 and 2, wherein:
Described condensation portion (2) has a plurality of condensation heat pipes (3b) and condensation fin (4b),
Each condensation heat pipe (3b) all has flange portion (33b), wherein said flange portion (33b) vertical distal process from described condensation heat pipe (3b) on perpendicular to the direction of the longitudinal direction of condensation heat pipe (3b) goes out, and each described flange portion (33b) has tube shape
Condensation heat pipe (3b) and condensation fin (4b) alternately pile up on the direction perpendicular to the longitudinal direction of condensation heat pipe (3b) and weld, and
The flange portion (33b) of adjacent condensation heat pipe (3b) is bonded to each other and welds, so that by vertical end of flange portion (33b) and condensation heat pipe condensation connected component (6b) is set, heat reclamation device further comprises:
Attaching parts (7,10), described attaching parts (7,10) connect evaporation connected component (6a) and condensation connected component (6b), and wherein said evaporation section (1) and condensation portion (2) are arranged to close to each other.
4. heat reclamation device according to claim 3, wherein:
Described evaporation section (1) and condensation portion (2) are combined into and make evaporation heat pipe (3a) be arranged to and be parallel to heat pipe (3b), and in the evaporation connected component (6a) at least one with condensation connected component (6b) in one align.
5. heat reclamation device according to claim 3, wherein:
Each condensation heat pipe (3b) is made of the first condensation heat duct member (31b) and the second condensation heat duct member (32b), in the wherein said first condensation heat duct member (31b) and the second condensation heat duct member (32b) each all has flange portion (33b) at its longitudinal end place, and
(31b 32b) is arranged to make flange portion (33b) to give prominence in the opposite direction and weld under situation about being disposed between the condensation fin (4b) to the first and second condensation heat duct members.
6. heat reclamation device according to claim 3, wherein:
In the described attaching parts each all has the tube shape of the stress absorption of comprising part (10,101), and stress absorption partly is configured to allow attaching parts to expand on its longitudinal direction and shrink.
7. heat reclamation device according to claim 2, wherein:
The described first and second heat of evaporation duct member (31a, one flange portion (33a) 32a) has stress absorption part (9), and stress absorption part (9) be configured to allow with the perpendicular direction of the longitudinal direction of evaporation heat pipe (3a) on expansion and shrinking.
8. heat reclamation device according to claim 7, wherein:
Described stress absorption part (9) has protrusion, described protrusion outstanding in the radial direction on the whole circumference of described stress absorption part (9) and at flange portion (33a), and described protrusion allows expansion and contraction in the radial direction.
9. heat reclamation device according to claim 8, wherein:
Described stress absorption part (9) is by the corrugated portion setting.
10. heat reclamation device according to claim 1, wherein:
Described evaporation section (1) is disposed in the exhaust passage, and the discharge gas of discharging from engine flows through described exhaust passage, and first fluid is a discharge gas,
Described second condensation portion (2) is disposed in the cooling-water duct, and engine cooling water flows through described cooling-water duct, and second fluid is an engine cooling water.
11. a heat reclamation device comprises:
Evaporation section (1), described evaporation section (1) is used to carry out the heat exchange between internal flow and the first fluid, evaporates internal flow thus; With
Condensation portion (2), described condensation portion (2) are used for carrying out the heat exchange between second fluid of the temperature that the internal flow that evaporation section (1) is evaporated and temperature are lower than first fluid, condensation internal flow thus, wherein
Evaporation section (1) and condensation portion (2) communicate with each other by return passage, and wherein said return passage is used to make internal flow to pass through its circulation, wherein
Evaporation section (1) has a plurality of evaporation heat pipes (3a), with the evaporative heat loss sheet (4a) that alternately piles up of evaporation heat pipe (3a), with connected component (6a) at the longitudinal end place of evaporating heat pipe (3a), described connected component (6a) with the perpendicular direction of longitudinal direction of evaporation heat pipe (3a) on extend, and described connected component (6a) qualifying part return passage, and
Connected component (6a) has as the protrusion (91) of stress absorption parts to be expanded and shrinks with permission.
12. heat reclamation device according to claim 11, wherein:
Described condensation portion (2) has a plurality of condensation heat pipes (3b), the connected component (6b) at condensation fin (4b) that alternately piles up with condensation heat pipe (3b) and the vertical end place that is positioned at condensation heat pipe (3b), and described heat reclamation device further comprises:
Tube connector (7), described tube connector (7) connects the connected component (6a) of evaporation section (1) and the connected component (6b) of condensation portion (2), wherein
(6a 6b) is in alignment with each other for tube connector (7) and connected component.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006033429 | 2006-02-10 | ||
| JP2006033429A JP2007212075A (en) | 2006-02-10 | 2006-02-10 | Exhaust heat recovery equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101017065A true CN101017065A (en) | 2007-08-15 |
Family
ID=38289002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710008100.9A Pending CN101017065A (en) | 2006-02-10 | 2007-02-09 | Heat recovery apparatus |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20070187071A1 (en) |
| JP (1) | JP2007212075A (en) |
| CN (1) | CN101017065A (en) |
| DE (1) | DE102007006169A1 (en) |
| FR (1) | FR2902504A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876517A (en) * | 2009-04-29 | 2010-11-03 | Abb研究有限公司 | Multi-row thermosyphon heat exchanger |
| CN111750713A (en) * | 2020-05-15 | 2020-10-09 | 华北电力大学 | Vapor-liquid phase separation type loop heat pipe heat dissipation device with inserted porous membrane and working method thereof |
| TWI744984B (en) * | 2020-07-15 | 2021-11-01 | 兆亮科技股份有限公司 | Laminated heat sink structure |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009063223A (en) * | 2007-09-06 | 2009-03-26 | Denso Corp | Heat exchanger |
| US20110206964A1 (en) * | 2010-02-24 | 2011-08-25 | Gm Global Technology Operations, Inc. | Cooling system for a battery assembly |
| EP2677261B1 (en) * | 2012-06-20 | 2018-10-10 | ABB Schweiz AG | Two-phase cooling system for electronic components |
| US20140048238A1 (en) * | 2012-08-14 | 2014-02-20 | Caterpillar Inc. | Frameless Heat Exchanger |
| JP6554894B2 (en) * | 2015-04-20 | 2019-08-07 | ダイキン工業株式会社 | Electrical component cooling system |
| JP6638169B2 (en) * | 2016-07-19 | 2020-01-29 | 本田技研工業株式会社 | Vehicle air conditioner |
| JP2018155192A (en) * | 2017-03-17 | 2018-10-04 | トヨタ自動車株式会社 | Waste heat recovery device and control method for waste heat recovery device |
| US20240240881A1 (en) * | 2023-01-17 | 2024-07-18 | Hamilton Sundstrand Corporation | Heat exchanger having compliant manifolds |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2156505B (en) * | 1984-03-07 | 1989-01-05 | Furukawa Electric Co Ltd | Heat exchanger |
| JPH0615176B2 (en) * | 1986-12-18 | 1994-03-02 | 本田技研工業株式会社 | Method for manufacturing laminated body made of thermosetting synthetic resin |
| US5695004A (en) * | 1992-07-10 | 1997-12-09 | Beckwith; William R. | Air conditioning waste heat/reheat method and apparatus |
| JPH08340189A (en) * | 1995-04-14 | 1996-12-24 | Nippondenso Co Ltd | Boiling cooling device |
| AU1851997A (en) * | 1996-02-01 | 1997-08-22 | Northern Research & Engineering Corporation | Unit construction plate-fin heat exchanger |
| GB0009510D0 (en) * | 2000-04-17 | 2000-06-07 | Villa Philip F | Tube support system |
| KR100365022B1 (en) * | 2000-05-04 | 2002-12-16 | 한국기계연구원 | Loop heat transfer device with high efficiency fin |
| DE10204107B4 (en) * | 2002-02-01 | 2018-12-13 | Mahle International Gmbh | Exhaust gas heat exchanger |
| JP4140549B2 (en) * | 2004-04-21 | 2008-08-27 | 株式会社デンソー | Cooler |
-
2006
- 2006-02-10 JP JP2006033429A patent/JP2007212075A/en active Pending
-
2007
- 2007-02-06 US US11/703,048 patent/US20070187071A1/en not_active Abandoned
- 2007-02-07 DE DE102007006169A patent/DE102007006169A1/en not_active Withdrawn
- 2007-02-09 CN CN200710008100.9A patent/CN101017065A/en active Pending
- 2007-02-12 FR FR0700992A patent/FR2902504A1/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876517A (en) * | 2009-04-29 | 2010-11-03 | Abb研究有限公司 | Multi-row thermosyphon heat exchanger |
| CN101876517B (en) * | 2009-04-29 | 2014-09-10 | Abb研究有限公司 | Multi-row thermosyphon heat exchanger |
| CN111750713A (en) * | 2020-05-15 | 2020-10-09 | 华北电力大学 | Vapor-liquid phase separation type loop heat pipe heat dissipation device with inserted porous membrane and working method thereof |
| TWI744984B (en) * | 2020-07-15 | 2021-11-01 | 兆亮科技股份有限公司 | Laminated heat sink structure |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2902504A1 (en) | 2007-12-21 |
| JP2007212075A (en) | 2007-08-23 |
| US20070187071A1 (en) | 2007-08-16 |
| DE102007006169A1 (en) | 2007-08-23 |
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Open date: 20070815 |