CN101871735A - Microchannel heat exchanger suitable for heat pump water heater and manufacturing method thereof - Google Patents
Microchannel heat exchanger suitable for heat pump water heater and manufacturing method thereof Download PDFInfo
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- CN101871735A CN101871735A CN 201010198510 CN201010198510A CN101871735A CN 101871735 A CN101871735 A CN 101871735A CN 201010198510 CN201010198510 CN 201010198510 CN 201010198510 A CN201010198510 A CN 201010198510A CN 101871735 A CN101871735 A CN 101871735A
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- 238000007493 shaping process Methods 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910000679 solder Inorganic materials 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
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- 238000003723 Smelting Methods 0.000 description 1
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- 238000005422 blasting Methods 0.000 description 1
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- 238000000576 coating method Methods 0.000 description 1
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Images
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
- 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
- F28D1/04—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 tubular conduits
- F28D1/053—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 tubular conduits the conduits being straight
- F28D1/0535—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 tubular conduits the conduits being straight the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
- F28D1/05375—Assemblies of conduits connected to common headers, e.g. core type radiators with particular pattern of flow, e.g. change of flow direction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
- F24H4/04—Storage heaters
-
- 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
- F28D1/04—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 tubular conduits
- F28D1/053—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 tubular conduits the conduits being straight
- F28D1/0535—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 tubular conduits the conduits being straight the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
-
- 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
- F28F9/02—Header boxes; End plates
- F28F9/0202—Header boxes having their inner space divided by partitions
- F28F9/0204—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
- F28F9/0209—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only transversal partitions
- F28F9/0212—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only transversal partitions the partitions being separate elements attached to header boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/12—Heat pump
-
- 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
- F28D2001/0253—Particular components
- F28D2001/026—Cores
- F28D2001/0273—Cores having special shape, e.g. curved, annular
-
- 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
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2260/00—Heat exchangers or heat exchange elements having special size, e.g. microstructures
- F28F2260/02—Heat exchangers or heat exchange elements having special size, e.g. microstructures having microchannels
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention relates to a microchannel heat exchanger suitable for a heat pump water heater and a manufacturing method thereof and belongs to the technical field of water heaters. The heat exchanger comprises a first collecting pipe and a second collecting pipe, wherein parallel microchannel pipe sets with flat sections are communicated with the first collecting pipe and the second collecting pipe; the heat exchanger is in a shape for accommodating an inner container of a water heater; when the microchannel heat exchanger is assembled, the collecting pipes are communicated with a heat pump circulating pipeline through an air inlet pipe and a water outlet pipe respectively; and at least one partition plate is arranged in the first collecting pipe and/or the second collecting pipe to form a devious channel from a first collecting pipe to the second collecting pipe through a first group of microchannel pipes and then from the second collecting pipe to a first group of collecting pipes through the next group of microchannel pipes till the water outlet pipe is finally communicated. When used, the heat exchanger of the invention is coated on the inner container of the heat pump water heater to effectively improve the heat exchanging efficiency of the heat exchanger. The heat exchanger has the advantages of simple processing process, reduction in refrigerant charge volume, higher bearing capacity than that of a circular tube heat exchanger and safer and more reliable working under a high pressure.
Description
Technical field
The present invention relates to a kind of heat exchanger, especially a kind of micro-channel heat exchanger that is suitable for Teat pump boiler also relates to its manufacture method simultaneously, belongs to technical field of water heaters.
Background technology
Teat pump boiler therefore with respect to traditional electric heater and gas heater, has tangible power savings advantages owing to utilized the heat energy of air.Understand according to the applicant, the heat exchanger of existing Teat pump boiler all adopts pipe to be wound on the inner bag of storage tank, owing to be that line contacts on the contact theory of pipe and inner bag, so heat exchange efficiency is not high enough.In addition, owing to need the special equipment of making around pipe, so manufacturing process is comparatively complicated, production efficiency is not high, is difficult to satisfy the large-scale production needs.
Retrieval finds, application number is that 200920300520.9 Chinese patent application discloses a kind of heat exchanger that adopts micro-channel flat as Teat pump boiler.Yet part haves much room for improvement below this technical scheme still exists: 1) adopt single around or the mode of double wrap flat tube, need production equipment special, and production efficiency is very low; 2) flat tube length is longer, causes the bigger pressure loss easily; 3) need manual aluminium weldering, soldering reliability is difficult to be guaranteed.
Summary of the invention
The objective of the invention is to: at the shortcoming that above-mentioned prior art exists, propose a kind of can crushing little, heat exchange efficiency is high and manufacturing process simply is suitable for the micro-channel heat exchanger of Teat pump boiler, provides its manufacture method simultaneously.
In order to reach above purpose, the present invention is suitable for the micro-channel heat exchanger of Teat pump boiler, contains first and second headers, is communicated with the flat cross section micro-channel tubes group that is generally parallel between described first and second headers; Described heat exchanger is configured as the shape that contains water heater liner; During assembling, described first and second headers are respectively by air inlet pipe and outflow tube and heat pump cycle pipeline connection; At least be provided with a dividing plate in described first and/or second header, thereby constitute first header through first group of micro-channel tubes to the second header, again by the circuitous runner of second header, until finally being communicated with described outflow tube through next group micro-channel tubes to the first group header.
The present invention further improves, and described micro-channel tubes shaping back is the flat horizontal surface of micro-channel tubes group with the water heater liner bonding surfaces.
The present invention further improves, and in the described flat cross section micro-channel tubes group, total actual internal area of preceding group of micro-channel tubes is greater than total actual internal area of back group micro-channel tubes.Like this, not only meet the diminishing trend of heat transferring medium volume in heat transfer process, and help to make medium in flow process, to produce turbulent flow, improve heat exchange efficiency.
Micro-channel heat exchanger of the present invention mainly is divided into three kinds of specific constructive form: even number flow process horizontally-arranged micro-channel heat exchanger structure (for example flow process is the 8-6-4-4 form), and the import and export of heat exchanger are all on same header at this moment; Odd number flow process horizontally-arranged micro-channel heat exchanger structure (for example 10-10-3 form), this moment heat exchanger import and export be distributed in about on two headers; Vertical setting of types micro-channel heat exchanger structure, import and export this moment all on the header at two ends.This kind micro-channel heat exchanger structure has effectively solved the phenomenon of hot water temperature's layering, can bear bigger pressure.Because the heat exchange area of micro-channel heat exchanger is bigger, effectively reduced the charging amount of cold-producing medium, the price of aluminium is relatively cheap simultaneously, saves cost.
During manufacturing, carry out according to following steps:
Step 1, with first and second headers and flat cross section micro-channel tubes group fixed length blanking;
During use, as long as heat exchanger of the present invention is coated on the inner bag of Teat pump boiler, and be connected with the heat pump cycle pipeline with outflow tube by air inlet pipe, constitute the heat pump heat-exchange system, because the micro-channel tubes surface is flat, therefore can contact in the mode that face contacts with the inner bag surface, and can be as required by multichannel microchannel pipe water conservancy diversion simultaneously, thereby effectively improve the heat exchanger heat exchange efficiency, its processing technology is simple, be convenient to control quality, significantly shortened making man-hour, improved production efficiency, and reduced the charging amount of cold-producing medium, its bearing capacity is better than the pipe heat exchanger of prior art, and is more safe and reliable at high pressure operation.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Fig. 1 is the deployed configuration schematic diagram of the embodiment of the invention one.
Fig. 2 is the deployed configuration schematic diagram of the embodiment of the invention two.
Fig. 3 is the header punching structure schematic diagram of Fig. 1 embodiment.
Fig. 4 is the A-A cutaway view of Fig. 3.
Fig. 5 is header and the microchannel plug-in mounting pre-structure schematic diagram of Fig. 1 embodiment.
Fig. 6 is header and the microchannel plug-in mounting structure schematic diagram of Fig. 1 embodiment.
Fig. 7 is header and welding back, the microchannel structural representation of Fig. 1 embodiment.
Fig. 8 is the deployed configuration schematic diagram of the embodiment of the invention three.
Fig. 9 is the deployed configuration schematic diagram of the embodiment of the invention four.
Figure 10 is the deployed configuration schematic diagram of the embodiment of the invention five.
Figure 11 is the shaping package assembly schematic diagram of Figure 10 embodiment.
Figure 12 is the side view of Figure 11
The specific embodiment
Embodiment one
The micro-channel heat exchanger deployed configuration that present embodiment is suitable for Teat pump boiler as shown in Figure 1, contain the one 1 and second header 2, be communicated with vertical parallel flat cross section micro-channel tubes group 3 (be commonly called as micro-channel flat, wherein contain a plurality of microchannels arranged side by side) between first and second headers.During shaping, heat exchanger bends to the shape that contains vertical water heater cylinder inner bag, and micro-channel tubes shaping back is the flat horizontal surface of micro-channel tubes group with the water heater liner bonding surfaces.During assembling, first and second headers 1,2 are respectively by air inlet pipe 5 and outflow tube 6 and outside heat pump cycle pipeline connection.Owing to be respectively equipped with a dividing plate 4 in first and second headers, therefore two headers are divided into leading portion and back segment, therefore the leading portion that constitutes first header 1 through the leading portion of first group of micro-channel tubes to the second header 2, again by the leading portion of second header 2 through the back segment of next group micro-channel tubes to the first group header 1, again by the back segment of first header 1 through the circuitous runner of the back segment of next group micro-channel tubes to the second header 2 again, finally be communicated with outflow tube 6.7 is to take among the figure, the 8th, and mounting bracket.
Adopt the heat exchanger of micro-channel flat, can advance smelting furnace according to project organization and weld as Teat pump boiler, effective welding quality that guarantees, yield rate improves greatly.And the micro-channel flat heat exchanger effectively reduces the heat exchanger materials consumption under the situation of equal heat exchange amount, reduce cost, and reduced the charging amount of cold-producing medium, and its bearing capacity is better than the pipe heat exchanger, and system is more safe and reliable at high pressure operation.
During manufacturing, carry out according to following steps:
The first step, with first and second headers and flat cross section micro-channel tubes group fixed length blanking; And the match aluminium solder welding ring of (fit clearance is controlled at 0.1 ± 0.02mm and is advisable) of hole shape and micro-channel flat gabarit in making.This scolder has suitable fusion temperature and flowability, and and mother metal between potential difference as far as possible little.
Second goes on foot, welds in the first and second header precalculated positions dividing plate that fixed intervals distribute;
The 3rd step, use special diel, correspondence position is gone out in-flanges hole 2-1 that shape and microchannel flat cross section gabarit match or not with the rectangular opening (band flange pore structure is for preferably, referring to Fig. 3, Fig. 4) of flange vertically on header 2.
The 4th step, 1) welding base metal cleans with special cleaning fluid, guarantees that the removing of mother metal face of weld grease, dust and all the other impurity is clean.If face of weld has oxide layer, polish earlier and then clean up.Insert respectively in the in-flanges slotted eye of the first and second header correspondences at step 3, the two ends of inciting somebody to action, and welding is fixing.
2) penetrating a cross section in header 3 is arc special-purpose spacing plug 9 (referring to Fig. 5), the length of plug is fixed according to header notch quantity, it is fixed that the thickness of plug requires according to the flat tube insertion depth, so not only guarantee the degree of depth in the flat tube insertion groove, but also guarantee the uniformity of all micro-channel flat height on the header.
3) header is fixed on the frock clamp, notch up, inserted respectively in the first and second afflux tube seats at two ends after micro-channel tubes flat tube outside put welding ring, till the spacing plug of contact (referring to Fig. 6).The other end of micro-channel flat is fixed with the auxiliary mould anchor clamps, guarantees to constitute integral body and secure fixation with header.
4) header that will install micro-channel flat and welding ring enters welding in the high-temperature vacuum furnace, and furnace temperature is transferred to suitable temperature according to mother metal and scolder fusing point, workpiece and solder can be heated to above the solder fusing point, be lower than the temperature of workpiece fusing point.According to capillarity, the weld-ring melted by heat also is penetrated into two the insides, gap that connect mother metal fully.The welding position of flat tube and header from the heating simultaneously of both direction 180 degree, guarantees that the welding position is heated evenly in high-temperature vacuum furnace.The 5th step, the heat exchanger bending is surrounded the shape that contains vertical water heater cylinder inner bag, and handle the back epoxy sealing through blasting craft, protect weld seam in the welding position.
If at header surface coverage one deck scolder, can cancel in advance by welding ring for the above first step, but cost can rise to some extent.
If the 5th step welding position, microchannel is covered by the polyurethane foaming layer on water tank surface, and does not contact with air, then can help reducing cost without epoxy sealing.
The produced micro-channel heat exchanger of above-mentioned technology, its welding point is few, and weld width is even, and the weld strength height bears the system pressure height, can satisfy the instructions for use of condensing heat exchanger on the present Teat pump boiler.And realize producing in enormous quantities by automatic assembly line easily, quality is guaranteed, and production efficiency can be greatly enhanced.
Embodiment two
The micro-channel heat exchanger deployed configuration that present embodiment is suitable for Teat pump boiler as shown in Figure 2, be with embodiment one difference, have only a dividing plate 4 in the former first header 1, therefore constitute the circuitous runner of odd number, air inlet pipe 5 and outflow tube 6 are positioned at the heat exchanger two ends; And two dividing plates 4 are arranged in first header 1 of present embodiment, and therefore constituting the circuitous runner of even number, air inlet pipe 5 and outflow tube 6 are positioned at the same end of heat exchanger.
Embodiment three
The micro-channel heat exchanger deployed configuration that present embodiment is suitable for Teat pump boiler as shown in Figure 8, basic structure and embodiment two are similar, difference is, is communicated with the flat cross section micro-channel tubes group 3 of horizontal parallel between first and second headers.Air inlet pipe 5 and outflow tube 6 are positioned at heat exchanger one side.During shaping, heat exchanger bends to the shape that contains horizontal water heater cylinder inner bag.Especially, in the flat cross section micro-channel tubes group, the microchannel quantity that constitutes circuitous runner is 4-3-2-1 and changes, therefore total actual internal area of group micro-channel tubes is greater than total actual internal area of back group micro-channel tubes before, by the header dividing plate, formed the circuitous runner that the micro-channel tubes group reduces to the outflow tube cross section of fluid channel gradually from air inlet pipe.Like this, not only meet the diminishing trend of heat transferring medium volume in heat transfer process, and help to make medium in flow process, to produce turbulent flow, improve heat exchange efficiency.
Embodiment four
The micro-channel heat exchanger deployed configuration that present embodiment is suitable for Teat pump boiler as shown in Figure 9, basic structure is identical with embodiment three, difference is that circuitous runner is an odd number, so air inlet pipe 5 and outflow tube 6 lay respectively at the heat exchanger both sides.
Embodiment five
The micro-channel heat exchanger deployed configuration that present embodiment is suitable for Teat pump boiler is compared with embodiment three as shown in figure 10, and its unique distinction is that heat exchanger is configured as semicircular arc, partly wraps in from the bottom to top (referring to Figure 11,12) on water heater 13 inner bags.Because therefore this micro-channel heat exchanger, makes that the water in the water tank is heated evenly with form lock ring lower position in the water tank surface of semi arch, has strengthened countercurrent flow, hot water does not produce lamination.
In a word, present embodiment adopts aluminium matter header and micro-channel flat.Wherein the import and export pipe of heat exchanger is contained on the header, is added with dividing plate in the middle of the header, makes cold-producing medium be divided into several flow processs, adopts the mode of cold-producing medium flow change, has solved cold-producing medium and has distributed uneven problem; This micro-channel heat exchanger is installed in the latter half of inner bag simultaneously, and micro-channel heat exchanger tightly is attached on the inner bag wall with fastener, because the reason that cold water enters from the inner bag bottom, single process heat exchanger with respect to single wound form has from top to bottom effectively been strengthened countercurrent flow, it is very even that these make that hot water is heated, can the occurrence temperature lamination.
In sum, first header of embodiment one, two is communicated with second header by the micro-channel tubes group of arranged vertical, and the micro-channel tubes group is configured as the shape that contains vertical water heater liner.Embodiment three, four, 5 first headers are communicated with second header by horizontal micro-channel tubes group, and the micro-channel tubes group is configured as full containing or partly contains the shape of horizontal water heater inner bag.
In addition to the implementation, the present invention can also have other embodiments.For example, described heat exchanger is configured as circular arc, and the part coating that constitutes from the bottom to top water heater liner gets final product.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (10)
1. a micro-channel heat exchanger that is suitable for Teat pump boiler contains first and second headers, it is characterized in that: be communicated with flat cross section micro-channel tubes group between described first and second headers; Described heat exchanger is configured as the shape that contains water heater liner; Described first and second headers are respectively by air inlet pipe and outflow tube and heat pump cycle pipeline connection; At least be provided with a dividing plate in described first and/or second header, thereby constitute first header through first group of micro-channel tubes to the second header, again by the circuitous runner of second header, until finally being communicated with described outflow tube through next group micro-channel tubes to the first group header.
2. according to the described micro-channel heat exchanger that is suitable for Teat pump boiler of claim 1, it is characterized in that: described micro-channel tubes shaping back is the flat horizontal surface of micro-channel tubes group with the water heater liner bonding surfaces.
3. according to the described micro-channel heat exchanger that is suitable for Teat pump boiler of claim 2, it is characterized in that:, form the circuitous runner that the micro-channel tubes group reduces to the outflow tube cross section of fluid channel gradually from air inlet pipe by the dividing plate of described header.
4. according to claim 1, the 2 or 3 described micro-channel heat exchangers that are suitable for Teat pump boiler, it is characterized in that: described water heater liner is the horizontal type cylinder, and described heat exchanger is configured as circular arc, and the part that constitutes from the bottom to top described water heater liner coats.
5. according to claim 1, the 2 or 3 described micro-channel heat exchangers that are suitable for Teat pump boiler, it is characterized in that: described circuitous runner is an odd number, and described air inlet pipe and outflow tube are positioned at heat exchanger two ends or both sides.
6. according to claim 1, the 2 or 3 described micro-channel heat exchangers that are suitable for Teat pump boiler, it is characterized in that: described circuitous runner is an even number, and described air inlet pipe and outflow tube are positioned at the same end of heat exchanger or the same side.
7. according to the described micro-channel heat exchanger manufacture method that is suitable for Teat pump boiler of claim 1, it is characterized in that step is as follows:
Step 1, with first and second headers and flat cross section micro-channel tubes group fixed length blanking;
Step 2, the dividing plate that distributes in the first and second header precalculated position fixed intervals;
Step 3, the first and second header correspondence positions are gone out slotted eye, especially the in-flanges slotted eye that shape and described flat cross section gabarit match;
Step 4, the two ends of micro-channel tubes are inserted respectively in the in-flanges slotted eye of the first and second header correspondences, and welding is fixing;
Step 5, heat exchanger surrounded the shape that contains water heater liner.
8. according to the described micro-channel heat exchanger manufacture method that is suitable for Teat pump boiler of claim 7, it is characterized in that: the slotted eye of described step 2 turns over all over slotted eye in being.
9. according to claim 7 or the 8 described micro-channel heat exchanger manufacture methods that are suitable for Teat pump boiler, it is characterized in that: in the described step 4, penetrating the cross section in header is arc spacing plug.
10. according to the described micro-channel heat exchanger manufacture method that is suitable for Teat pump boiler of claim 9, it is characterized in that: described step is a kind of make in the aluminium solder welding ring that matches of hole shape and micro-channel flat gabarit; In the described step 4, inserted respectively in the first and second afflux tube seats at two ends after micro-channel tubes flat tube outside put welding ring, up to the spacing plug of contact, whole by the fixing formation of frock clamp; The header that will install micro-channel flat and welding ring is afterwards put into the high-temperature vacuum furnace welding.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010198510 CN101871735A (en) | 2010-06-12 | 2010-06-12 | Microchannel heat exchanger suitable for heat pump water heater and manufacturing method thereof |
| PCT/US2011/039960 WO2011156700A2 (en) | 2010-06-12 | 2011-06-10 | A micro-channel heat exchanger suitable for heat pump water heater and the manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010198510 CN101871735A (en) | 2010-06-12 | 2010-06-12 | Microchannel heat exchanger suitable for heat pump water heater and manufacturing method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353185A (en) * | 2011-09-09 | 2012-02-15 | 华南理工大学 | Micro-channel condenser for heat pump water heater |
| CN103134238A (en) * | 2011-11-25 | 2013-06-05 | 苏州三星电子有限公司 | Air conditioner parallel flow heat exchanger and machining process thereof |
| CN103256713A (en) * | 2012-02-17 | 2013-08-21 | 苏州三星电子有限公司 | Heat exchanger and manufacturing method thereof |
| CN103307746A (en) * | 2012-03-15 | 2013-09-18 | 珠海格力电器股份有限公司 | Water heater with heat exchanger |
| CN103940090A (en) * | 2013-01-22 | 2014-07-23 | 珠海格力电器股份有限公司 | Heat pump water heater and heat exchanger thereof |
| CN107144046A (en) * | 2016-03-01 | 2017-09-08 | 青岛海尔新能源电器有限公司 | The evaporator and solar heat-pump water heater of solar heat-pump water heater |
| CN110513888A (en) * | 2019-08-28 | 2019-11-29 | 姜向荣 | A kind of flat-plate U microchannel graphene heat hot water device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014149389A1 (en) | 2013-03-15 | 2014-09-25 | Carrier Corporation | Heat exchanger for air-cooled chiller |
| CN106969545A (en) * | 2017-05-22 | 2017-07-21 | 珠海格力电器股份有限公司 | Microchannel heat exchanger and heat pump water heater |
| CN111947487B (en) * | 2020-07-29 | 2023-04-18 | 青岛海尔新能源电器有限公司 | Heat exchanger and heat pump water heater unit control method |
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| CN102353185A (en) * | 2011-09-09 | 2012-02-15 | 华南理工大学 | Micro-channel condenser for heat pump water heater |
| CN103134238A (en) * | 2011-11-25 | 2013-06-05 | 苏州三星电子有限公司 | Air conditioner parallel flow heat exchanger and machining process thereof |
| CN103134238B (en) * | 2011-11-25 | 2015-05-20 | 苏州三星电子有限公司 | Air conditioner parallel flow heat exchanger and machining process thereof |
| CN103256713A (en) * | 2012-02-17 | 2013-08-21 | 苏州三星电子有限公司 | Heat exchanger and manufacturing method thereof |
| CN103256713B (en) * | 2012-02-17 | 2015-08-19 | 苏州三星电子有限公司 | Heat exchanger and manufacture method thereof |
| CN103307746A (en) * | 2012-03-15 | 2013-09-18 | 珠海格力电器股份有限公司 | Water heater with heat exchanger |
| CN103307746B (en) * | 2012-03-15 | 2016-05-25 | 珠海格力电器股份有限公司 | Water heater with heat exchanger |
| CN103940090A (en) * | 2013-01-22 | 2014-07-23 | 珠海格力电器股份有限公司 | Heat pump water heater and heat exchanger thereof |
| CN103940090B (en) * | 2013-01-22 | 2016-09-14 | 珠海格力电器股份有限公司 | Heat pump water heater and heat exchanger thereof |
| CN107144046A (en) * | 2016-03-01 | 2017-09-08 | 青岛海尔新能源电器有限公司 | The evaporator and solar heat-pump water heater of solar heat-pump water heater |
| CN110513888A (en) * | 2019-08-28 | 2019-11-29 | 姜向荣 | A kind of flat-plate U microchannel graphene heat hot water device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011156700A2 (en) | 2011-12-15 |
| WO2011156700A3 (en) | 2012-07-19 |
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