CN205014688U - Heat exchanger and indirect heating equipment - Google Patents
Heat exchanger and indirect heating equipment Download PDFInfo
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- CN205014688U CN205014688U CN201520714488.4U CN201520714488U CN205014688U CN 205014688 U CN205014688 U CN 205014688U CN 201520714488 U CN201520714488 U CN 201520714488U CN 205014688 U CN205014688 U CN 205014688U
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- 238000010438 heat treatment Methods 0.000 title abstract description 11
- 239000003507 refrigerant Substances 0.000 claims abstract description 72
- 238000005192 partition Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000004891 communication Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a heat exchanger and indirect heating equipment, wherein, the heat exchanger includes the first main entrance pipe that flows in for the cooling matchmaker, second main entrance pipe and a plurality of heat exchange tube group who is used for the outflow of cooling matchmaker, wherein, a plurality of heat exchange tube group arrange along controlling the direction, just a plurality of heat exchange tube group's both ends correspond with first main entrance pipe and second main entrance pipe intercommunication are in order to form the refrigerant route, heat exchange tube group include the microchannel heat exchange tube and with the crossunder pipe of microchannel heat exchange tube intercommunication. The utility model discloses a part of heat exchanger is few, and simultaneously, heat exchange tube group comprises microchannel heat exchange tube and crossunder pipe, and heat exchange tube group convenient assembling has improved the assembly efficiency of heat exchanger.
Description
Technical Field
The utility model relates to a indirect heating equipment technical field especially relates to a heat exchanger and indirect heating equipment.
Background
Referring to fig. 1, fig. 1 is a schematic structural diagram of a conventional fin heat exchanger, where the fin heat exchanger includes a distributor 100, a plurality of branch capillaries 102, U-shaped copper pipes 104, U-shaped connecting pipes 106, heat exchange fins 108, and a gas collecting pipe 109, where the distributor 100 is respectively communicated with the plurality of branch capillaries 102, the branch capillaries 102 are communicated with the U-shaped copper pipes 104, the plurality of U-shaped copper pipes 104 are communicated with each other through the U-shaped connecting pipes 106, the heat exchange fins 108 are disposed on the U-shaped copper pipes 104, and refrigerant outlet ends of the U-shaped copper pipes 104 are communicated with the gas collecting pipe 109. The refrigerant flow direction in the fin type heat exchanger is as follows: the refrigerant enters from the distributor 100, and the distributor 100 distributes the refrigerant to each of the branch capillaries 102, so that the refrigerant is divided into flow paths, and then collected to the gas collecting pipe 109 through a pipe formed by the U-shaped copper pipe 104 and the U-shaped connecting pipe 106.
The above prior art finned heat exchanger has problems of many parts and inconvenient assembly, and thus needs to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat exchanger aims at improving the assembly efficiency of heat exchanger.
Another object of the utility model is to provide a indirect heating equipment who has above-mentioned heat exchanger.
The utility model provides a heat exchanger, include the first main channel pipe that is used for the refrigerant inflow, be used for the second main channel pipe and a plurality of heat transfer pipe group that supply the refrigerant to flow out, wherein, a plurality of heat transfer pipe groups are arranged along left right direction, just the both ends correspondence of a plurality of heat transfer pipe groups with first main channel pipe and second main channel pipe intercommunication are in order to form the refrigerant passageway, heat transfer pipe group include the microchannel heat exchange tube and with the jumper pipe of microchannel heat exchange tube intercommunication.
Preferably, the heat exchange tube set comprises two microchannel heat exchange tubes communicated with two ends of the jumper tube, the two microchannel heat exchange tubes are arranged in parallel along the front-back direction and extend along the up-down direction, the jumper tube is arranged in a bent shape and is communicated with one ends, adjacent to each other, of the two microchannel heat exchange tubes, and a first main channel tube and a second main channel tube, which are arranged side by side, extend from left to right and are correspondingly connected with the other ends, adjacent to each other, of the two microchannel heat exchange tubes.
Preferably, the microchannel heat exchange tube has a plurality of refrigerant flow paths arranged at intervals.
Preferably, the microchannel heat exchange tube is arranged in a square shape.
Preferably, the microchannel heat exchange tube is arranged in a flat shape and comprises two opposite and wider first side plates and two opposite and narrower second side plates, at least one partition plate is arranged in the microchannel heat exchange tube and connected with the two first side plates, so that a channel formed by enclosing the two first side plates and the two second side plates is divided into a plurality of refrigerant flow paths.
Preferably, a heat exchange piece is arranged between two adjacent heat exchange tube sets, and two sides of the heat exchange piece are correspondingly contacted with the tube walls of the two heat exchange tube sets; between two adjacent heat exchange tube sets, the first side plates of the two microchannel heat exchange tubes on the first main channel tube are arranged in a mutually facing manner and are connected with the heat exchange piece, and the first side plates of the two microchannel heat exchange tubes on the second main channel tube are arranged in a mutually facing manner and are connected with the heat exchange piece.
Preferably, the heat exchanger extends in the vertical direction and is curved in the horizontal direction to extend in a wave shape, and has both end portions in the vertical direction and both side portions in the horizontal direction, the both side portions having a plurality of protruding portions formed by bending;
two adjacent microchannel heat exchange tubes on the first main channel tube are connected with two side parts of one heat exchange piece, and two adjacent microchannel heat exchange tubes on the second main channel tube are connected with two side parts of the other heat exchange piece; or,
two adjacent microchannel heat exchange tubes on the first main channel tube are connected with two side parts of the two heat exchange pieces, and the protruding parts on the same side parts of the two heat exchange pieces are arranged in a staggered manner in the vertical direction; two adjacent microchannel heat exchange tubes on the second main channel tube are connected with two side parts of the two heat exchange pieces, and the protruding parts on the same side of the two heat exchange pieces are arranged in a staggered manner in the vertical direction.
Preferably, one heat exchange member is disposed corresponding to one refrigerant flow path, and a plurality of heat exchange members between two microchannel heat exchange tubes adjacent to each other in the left-right direction may be arranged side by side to form a band structure.
The utility model also provides a indirect heating equipment, indirect heating equipment includes as above the heat exchanger.
The utility model discloses a heat exchanger, the part of heat exchanger is few, and simultaneously, heat exchange tube group comprises microchannel heat exchange tube and jumper tube, and heat exchange tube equipment prescription is just, has improved the assembly efficiency of heat exchanger.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a conventional fin-type heat exchanger;
FIG. 2 is a schematic structural view of an embodiment of the microchannel heat exchange tube of the present invention;
fig. 3 is a schematic structural diagram of an embodiment of the heat exchanger of the present invention;
FIG. 4 is a schematic diagram of the cross-over tubes of the heat exchanger of FIG. 3;
fig. 5 is a front view of another embodiment of the heat exchanger of the present invention;
FIG. 6 is a top view of the heat exchanger of FIG. 5;
fig. 7 is a schematic view of an embodiment of the heat exchange device of the present invention.
The reference numbers illustrate:
reference numerals | Name (R) | Reference numerals | Name (R) |
100 | Dispenser | 102 | Shunt capillary |
104 | U-shaped copper pipe | 106 | U-shaped connecting pipe |
108 | Heat exchange fin | 109 | Gas collecting pipe |
1 | Micro-channel heat exchange tube | 2 | Heat exchanger |
3 | First main channel pipe | 4 | Second main passage pipe |
5 | Heat exchange tube set | 6 | Jumper pipe |
7 | Heat exchange member | ||
10 | Refrigerant flow path | 12 | First side plate |
14 | Second side plate | 16 | Partition board |
60 | Communicating channel | 62 | Limiting step |
80 | Compressor with a compressor housing having a plurality of compressor blades | 82 | Four-way valve |
84 | Shell-tube heat exchanger | 86 | Electronic expansion valve |
88 | Fan blower |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
It should be noted that, in the embodiment of the present invention, the XYZ rectangular coordinate system established in fig. 3 is defined: one side in the positive direction of the X axis is defined as the right side, and one side in the negative direction of the X axis is defined as the left side; one side in the positive direction of the Y axis is defined as the front, and one side in the negative direction of the Y axis is defined as the back; the side in the positive direction of the Z axis is defined as the upper side, and the side in the negative direction of the Z axis is defined as the lower side.
The utility model provides a heat exchanger, wherein, this heat exchanger can be condenser or evaporimeter in the air conditioner, also can be the air energy heat exchanger in the hot water unit. Referring to fig. 2 to 4, in an embodiment, the heat exchanger 2 includes a first main channel pipe 3 for flowing a refrigerant into, a second main channel pipe 4 for flowing the refrigerant out, and a plurality of heat exchange tube sets 5. The plurality of heat exchange tube sets 5 are arranged in the left-right direction, and two ends of the plurality of heat exchange tube sets 5 are correspondingly communicated with the first main channel tube 3 and the second main channel tube 4 to form a refrigerant passage. The heat exchange tube group 5 comprises a microchannel heat exchange tube 1 and a jumper tube 6 communicated with the microchannel heat exchange tube 1.
The utility model discloses a heat exchanger 2, heat exchanger 2's part is few, and simultaneously, heat exchange tube group 5 comprises microchannel heat exchange tube 1 and jumper tube 6, and 5 convenient assembling of heat exchange tube group have improved heat exchanger 2's assembly efficiency.
Referring to fig. 3 and 4, the heat exchange tube set 5 may be an integrally formed tube, or may be a multi-section tube, but it must include at least one section of microchannel heat exchange tube 1, obviously, the heat exchange tube set 2 of the heat exchanger 2 only has at least one section of microchannel heat exchange tube 1 to achieve the purpose of the present invention, and the specific arrangement manner of the heat exchange tube set 5 may not be limited, however, in this embodiment, the specific arrangement manner of the heat exchange tube set 5 may be referred to the following.
Specifically, the heat exchange tube bank 5 comprises two microchannel heat exchange tubes 1 in communication with a jumper tube 6. The two microchannel heat exchange tubes 1 are arranged in parallel along the front-back direction and extend along the up-down direction. The jumper tube 6 is arranged in a bending shape and is communicated with one end of the two microchannel heat exchange tubes 1 which are adjacent to each other. The first main channel pipe 3 and the second main channel pipe 4 which are arranged side by side extend from left to right and correspondingly connect the other ends, adjacent to each other, of the two microchannel heat exchange pipes 1.
Referring to fig. 2, in the present embodiment, the microchannel heat exchange tube 1 has a plurality of refrigerant channels 10 arranged at intervals. Therefore, the microchannel heat exchange tube 1 is provided with a plurality of spaced refrigerant flow paths 10, so that the refrigerant entering from one end of the microchannel heat exchange tube 1 can be uniformly distributed in the plurality of refrigerant flow paths 10, the refrigerant bias flow phenomenon does not exist, the heat exchange efficiency is improved, and the problem of low heat exchange efficiency caused by uneven distribution of the existing finned heat exchanger due to the adoption of a distributor and a distribution capillary tube combination is solved; moreover, a plurality of refrigerant flow paths 10 are arranged in the microchannel heat exchange tube 1 at intervals, and compared with the total flow rate of the microchannel heat exchange tube 1, the refrigerant flow paths 10 are arranged in a miniaturized manner, so that the heat exchange of the refrigerant is more thorough, the energy is saved, and the insufficient heat exchange caused by the rapid passing of the refrigerant in the refrigerant flow paths 10 is avoided.
In this embodiment, optionally, the microchannel heat exchange tube 1 is arranged in a square shape, that is, the microchannel heat exchange tube 1 is a square tube, and obviously, the square tube is beneficial to the arrangement of a plurality of refrigerant flow paths 10 therein, so that the processing difficulty is reduced, and the production efficiency is improved. However, the microchannel heat exchange tube 1 is not limited to a square shape, and may be disposed in a cylindrical shape or other shapes, and the refrigerant can be uniformly distributed as long as a plurality of refrigerant flow paths 10 are disposed in the tube body at intervals.
Referring to fig. 2 and 3, further, the microchannel heat exchange tube 1 is provided in a flat shape. The microchannel heat exchange tube 1 comprises two opposed, relatively wide first side plates 12 and two opposed, relatively narrow second side plates 14. At least one partition plate 16 is arranged in the microchannel heat exchange tube 1, and the partition plate 16 is connected with the two first side plates 12, so as to divide a channel formed by enclosing the two first side plates 12 and the two second side plates 14 into a plurality of refrigerant flow paths 10. Between two adjacent heat exchange tube sets 5, the first side plates 12 of the two microchannel heat exchange tubes 1 located on the first main channel tube 3 are arranged facing each other, the first side plates 12 of the two microchannel heat exchange tubes 1 located on the second main channel tube 4 are arranged facing each other, and the second side plates 14 of the two microchannel heat exchange tubes 1 of one heat exchange tube set 5 are arranged facing each other.
The area of the first side plate 10 is far larger than that of the second side plate 12, and the multiple refrigerant flow paths 10 are arranged between the two first side plates 12 side by side, so that the heat exchange area is increased, and the heat exchange efficiency is further improved. In the present embodiment, the specific number of the plurality of refrigerant flow paths 10 may be set according to actual needs, and preferably, the plurality of refrigerant flow paths 10 is 5 refrigerant flow paths 10, that is, four partition plates 16 are equidistantly disposed between the two first side plates 12, as shown in fig. 1.
In terms of material, the microchannel heat exchange tube 1 of the present embodiment is preferably made of an aluminum alloy material. Compared with the heat exchange copper pipe of the existing fin type heat exchanger, the microchannel heat exchange pipe 1 has the advantages of greatly reduced cost, difficult oxidation and color change, long service life and stable and reliable structure.
The heat exchanger 2 of the embodiment forms a refrigerant passage of a first main channel pipe 3, a heat exchange pipe group 5 and a second main channel pipe 4 through which a refrigerant sequentially flows, and at least one section of the heat exchange pipe group 5 is a microchannel heat exchange pipe 1, so that the refrigerant flows through the first main channel pipe 3, enters the heat exchange pipe group 5 and reaches the microchannel heat exchange pipe 1, and simultaneously flows into a plurality of refrigerant flow paths 10, and the refrigerant flow paths 10 do not have a refrigerant bias flow phenomenon and are uniformly distributed, so that the heat exchange efficiency is improved, and the problem of low heat exchange efficiency caused by uneven distribution of the existing fin type heat exchanger adopting a distributor and a flow distribution capillary tube combination is solved; moreover, the refrigerant flow path 10 is miniaturized, so that the heat exchange of the refrigerant is more thorough, the energy is saved, and the insufficient heat exchange caused by the rapid passing of the refrigerant in the refrigerant flow path 10 is avoided.
After the refrigerant flows through the microchannel heat exchange tube 1 communicated with the first main channel tube 3, the refrigerant flowing out of the plurality of refrigerant flow paths 10 is mixed in the jumper tube 6, and then is uniformly distributed to enter the microchannel heat exchange tube 1 communicated with the second main channel tube 4, the refrigerant heat exchange is thorough, the heat exchange efficiency is further improved, the refrigeration capacity or the heating capacity is greatly improved, and meanwhile, the required refrigerant is greatly reduced.
The square microchannel heat exchange tube 1 is transversely arranged in the first main channel tube 3 along the front-back direction, the square microchannel heat exchange tube 1 is also transversely arranged in the second main channel tube 4 along the front-back direction, so that the area of an air duct wall of an air duct formed by two adjacent microchannel heat exchange tubes 1 in the left-right direction is maximized, the effective heat exchange area of a refrigerant is maximized, and the heat exchange efficiency is improved.
Referring to fig. 4, further, the jumper tube 6 is square and bent, and the jumper tube 6 has a communication channel 60, one end of the communication channel 60 is communicated with one microchannel heat exchange tube 1 of a heat exchange tube set 5, and the other end is communicated with the other microchannel heat exchange tube 1 of the heat exchange tube set 5.
The cross-over pipe 6 is arranged in a square shape, so that the cross-over pipe is favorably communicated with the microchannel heat exchange pipe 1, the installation and the connection are convenient, and the assembly efficiency is improved; and the refrigerant enters the jumper tube 6 and is mixed in the communicating channel 60, and then is distributed to enter the plurality of refrigerant flow paths 10 of the microchannel heat exchange tube 1 on the second main channel tube 4, so that the heat exchange efficiency can be further improved. Specifically, the jumper tube 6 is preferably a U-shaped tube, and a limit step 62 for limiting the insertion depth of the microchannel heat exchange tube 1 is formed on the inner wall of each of both ends of the jumper tube 6. The specific way of welding the jumper tube 6 and the microchannel heat exchange tube 1 can be adopted. In terms of material, the jumper tube 6 is preferably made of an aluminum alloy material, which is beneficial to reducing the cost of the heat exchange tube set 5.
Referring to fig. 3, in the present embodiment, a heat exchange member 7 is disposed between two adjacent heat exchange tube sets 5, and two sides of the heat exchange member 7 are correspondingly in contact with the tube walls of the two heat exchange tube sets 5.
The heat exchange piece 7 can exchange the energy of the cold or heat of the refrigerant with the air through the pipe wall, thereby increasing the heat exchange area and improving the heat exchange efficiency. As for the arrangement and the specific structure of the heat exchanging elements 7, the following can be mentioned:
referring to fig. 3, between two adjacent heat exchange tube sets 5, a heat exchanger 7 is connected to a first side plate 12 of the two microchannel heat exchange tubes 1 located on the first main channel tube 3, and a heat exchanger 7 is connected to a first side plate 12 of the two microchannel heat exchange tubes 7 located on the second main channel tube 2.
The heat exchange pieces 7 are arranged between two adjacent microchannel heat exchange tubes 1 on the first main channel tube 3 and between two adjacent microchannel heat exchange tubes 1 on the second main channel tube 4, so that the heat exchange area is greatly increased, the heat exchange efficiency is improved, the two adjacent microchannel heat exchange tubes 1 can protect the heat exchange pieces 7 between the two adjacent microchannel heat exchange tubes, and the condition that the existing fin type heat exchanger has fins is avoided.
Referring to fig. 3, the heat exchanger 7 extends in the vertical direction, is bent in the horizontal direction, and extends in a wave shape, and has both end portions in the vertical direction and both side portions in the horizontal direction, and the both side portions have a plurality of protruding portions formed by bending. Two adjacent microchannel heat exchange tubes 1 on the first main channel tube 3 are connected with two side parts of a heat exchange piece 7, and two adjacent microchannel heat exchange tubes 1 on the second main channel tube 4 are connected with two side parts of the heat exchange piece 7.
One heat exchange piece 7 is positioned between air channels formed between two adjacent microchannel heat exchange tubes 1 on the first main channel tube 3, the other heat exchange piece 7 is positioned between air channels formed between two adjacent microchannel heat exchange tubes 1 on the second main channel tube, and the heat exchange piece 7 is of a wave-type structure, so that turbulent flow can be formed on air flow passing through the air channels, the heat exchange area is increased, and the circulation resistance of the air channels is small; the heat exchanger 2 greatly improves the heat exchange efficiency of the refrigerant and can save a large amount of refrigerant by combining a plurality of refrigerant flow paths 10 which uniformly distribute the refrigerant.
Furthermore, in any two adjacent heat exchange tube sets 5, the heat exchange element 7 between the two microchannel heat exchange tubes 1 on the first main channel tube 3 is arranged the same as the heat exchange element 7 between the two microchannel heat exchange tubes 1 on the second main channel tube, i.e. the protrusions of the two heat exchange elements 7 are arranged in alignment, and no staggered phenomenon exists; obviously, the projections of the two heat exchange elements 7 may also be offset.
Further, a heat exchange member 7 is disposed corresponding to a refrigerant flow path 10, and a plurality of heat exchange members 7 between two microchannel heat exchange tubes 10 adjacent in the left-right direction may be arranged side by side to form a band structure.
The cold quantity or the heat quantity of the refrigerant in each refrigerant flow path 10 can be directly transmitted to a heat exchange piece 7, so that the refrigerant is fully exchanged heat, and the heat exchange efficiency is improved.
Referring to fig. 5 and 6, fig. 5 is a front view of another embodiment of the heat exchanger of the present invention; fig. 6 is a top view of the heat exchanger of fig. 5. The heat exchanger 2 of the present embodiment differs from the heat exchanger 2 of the above-described embodiment in that: the number and the arrangement mode of the heat exchange pieces between two adjacent microchannel heat exchange tubes 1 are different.
Specifically, two adjacent microchannel heat exchange tubes 1 on the first main channel tube 3 connect both side portions of the two heat exchange members 7, and the protrusions of the same side portions of the two heat exchange members 7 are staggered in the up-down direction. Two adjacent microchannel heat exchange tubes 1 on the second main channel tube 4 are connected with two side parts of two heat exchange pieces 7, and the protruding parts on the same side of the two heat exchange pieces 7 are arranged in a staggered way in the up-down direction. Otherwise, the other structures of the two embodiments are the same.
The two heat exchange pieces 7 which are designed by double rows of staggered turbulent flow exchange heat, so that the heat exchange area is further increased, the heat exchange efficiency is improved, the refrigerant can be reduced by more than 30%, and dust cannot be hung on the heat exchange pieces 7.
The utility model provides a indirect heating equipment, refer to fig. 7, in an embodiment, this indirect heating equipment includes heat exchanger 2, and above-mentioned embodiment is referred to this heat exchanger 2's concrete structure, because the indirect heating equipment of this embodiment has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought equally, no longer gives unnecessary detail here.
Obviously, the heat exchange device may be a hot water unit, a refrigerator or an air conditioner, etc., and in this embodiment, the heat exchange device is preferably a hot water unit.
Specifically, the hot water unit includes a compressor 80, a four-way valve 82 in communication with the compressor 80, and a shell and tube heat exchanger 84 in communication with the four-way valve 82. The heat exchanger 2 is connected to a four-way valve 82 and a shell-and-tube heat exchanger 84, respectively.
Further, the water heater unit includes a circulating water pump (not shown) for supplying water to the inside of the shell-and-tube heat exchanger 84, a fan 88 for exchanging heat in the heat exchanger 2, and an electronic expansion valve 86 provided between the heat exchanger 2 and the shell-and-tube heat exchanger 84.
In conclusion, according to the utility model discloses a heat exchanger 2, heat exchanger 2's part is few, and simultaneously, heat exchange tube set 5 comprises microchannel heat exchange tube 1 and jumper tube 6, and heat exchange tube set 5 convenient assembling has improved heat exchanger 2's assembly efficiency. In addition, the microchannel heat exchange tube 1 is provided with a plurality of spaced refrigerant flow paths 10, so that the refrigerant entering from one end of the microchannel heat exchange tube 1 can be uniformly distributed in the plurality of refrigerant flow paths 10, the refrigerant bias flow phenomenon does not exist, and the heat exchange efficiency is improved. And thirdly, the heat exchange is carried out by the two heat exchange pieces 7 with the double-row staggered turbulent flow design, so that the heat exchange area is further increased, the heat exchange efficiency is improved, the refrigerant can be reduced by more than 30%, and dust cannot be hung on the heat exchange pieces 7.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (9)
1. A heat exchanger is characterized by comprising a first main channel pipe for allowing a refrigerant to flow in, a second main channel pipe for allowing the refrigerant to flow out and a plurality of heat exchange pipe sets, wherein the heat exchange pipe sets are arranged along the left-right direction, two ends of the heat exchange pipe sets are correspondingly communicated with the first main channel pipe and the second main channel pipe to form a refrigerant passage, and each heat exchange pipe set comprises a micro-channel heat exchange pipe and a jumper pipe communicated with the micro-channel heat exchange pipe.
2. The heat exchanger as claimed in claim 1, wherein the heat exchange tube group includes two of the microchannel heat exchange tubes communicating with both ends of the jumper tube, the two microchannel heat exchange tubes being arranged in parallel in a front-rear direction and extending in an up-down direction, the jumper tube being disposed in a bent shape and communicating mutually adjacent ends of the two microchannel heat exchange tubes, and a first main channel tube and a second main channel tube disposed side by side extending from left to right and correspondingly connecting mutually adjacent other ends of the two microchannel heat exchange tubes.
3. The heat exchanger of claim 2, wherein the microchannel heat exchange tube has a plurality of spaced coolant flow paths.
4. A heat exchanger as claimed in claim 3 wherein the microchannel heat exchange tubes are arranged in a square configuration.
5. The heat exchanger as claimed in claim 4, wherein the microchannel heat exchange tube is flat and comprises two opposite wide first side plates and two opposite narrow second side plates, and at least one partition is disposed in the microchannel heat exchange tube and connects the two first side plates to divide the channel formed by the two first side plates and the two second side plates into a plurality of refrigerant flow paths.
6. The heat exchanger as claimed in claim 5, wherein a heat exchange member is disposed between two adjacent heat exchange tube sets, and two sides of the heat exchange member are correspondingly in contact with the tube walls of the two heat exchange tube sets; between two adjacent heat exchange tube sets, the first side plates of the two microchannel heat exchange tubes on the first main channel tube are arranged in a mutually facing manner and are connected with the heat exchange piece, and the first side plates of the two microchannel heat exchange tubes on the second main channel tube are arranged in a mutually facing manner and are connected with the heat exchange piece.
7. The heat exchanger according to claim 6, wherein the heat exchanger is extended in the vertical direction and curved in the horizontal direction in a wavy manner, and has both end portions in the vertical direction and both side portions in the horizontal direction, the both side portions having a plurality of protrusions formed by bending;
two adjacent microchannel heat exchange tubes on the first main channel tube are connected with two side parts of one heat exchange piece, and two adjacent microchannel heat exchange tubes on the second main channel tube are connected with two side parts of the other heat exchange piece; or,
two adjacent microchannel heat exchange tubes on the first main channel tube are connected with two side parts of the two heat exchange pieces, and the protruding parts on the same side parts of the two heat exchange pieces are arranged in a staggered manner in the vertical direction; two adjacent microchannel heat exchange tubes on the second main channel tube are connected with two side parts of the two heat exchange pieces, and the protruding parts on the same side of the two heat exchange pieces are arranged in a staggered manner in the vertical direction.
8. The heat exchanger as claimed in claim 7, wherein one of the heat exchange members is disposed corresponding to one of the refrigerant flow paths, and a plurality of the heat exchange members between two microchannel heat exchange tubes adjacent in the left-right direction are arranged side by side to form a band structure.
9. A heat exchange apparatus comprising a heat exchanger according to any one of claims 1 to 8.
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CN201520714488.4U CN205014688U (en) | 2015-09-15 | 2015-09-15 | Heat exchanger and indirect heating equipment |
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CN201520714488.4U CN205014688U (en) | 2015-09-15 | 2015-09-15 | Heat exchanger and indirect heating equipment |
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CN201520714488.4U Expired - Fee Related CN205014688U (en) | 2015-09-15 | 2015-09-15 | Heat exchanger and indirect heating equipment |
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CN107764123A (en) * | 2016-08-17 | 2018-03-06 | 杭州三花研究院有限公司 | A kind of heat-exchanger rig |
CN109892029A (en) * | 2016-08-02 | 2019-06-14 | 蒙特斯公司 | Active/passive cooling system |
CN114543557A (en) * | 2022-02-24 | 2022-05-27 | 广东美的暖通设备有限公司 | Flow path connection module, heat exchanger and refrigeration equipment |
US11839062B2 (en) | 2016-08-02 | 2023-12-05 | Munters Corporation | Active/passive cooling system |
US12127380B2 (en) | 2023-11-16 | 2024-10-22 | Munters Corporation | Active/passive cooling system |
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2015
- 2015-09-15 CN CN201520714488.4U patent/CN205014688U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109892029A (en) * | 2016-08-02 | 2019-06-14 | 蒙特斯公司 | Active/passive cooling system |
CN109892029B (en) * | 2016-08-02 | 2021-08-03 | 蒙特斯公司 | Active/passive cooling system |
US11255611B2 (en) | 2016-08-02 | 2022-02-22 | Munters Corporation | Active/passive cooling system |
US11839062B2 (en) | 2016-08-02 | 2023-12-05 | Munters Corporation | Active/passive cooling system |
CN107764123A (en) * | 2016-08-17 | 2018-03-06 | 杭州三花研究院有限公司 | A kind of heat-exchanger rig |
CN114543557A (en) * | 2022-02-24 | 2022-05-27 | 广东美的暖通设备有限公司 | Flow path connection module, heat exchanger and refrigeration equipment |
CN114543557B (en) * | 2022-02-24 | 2024-05-28 | 广东美的暖通设备有限公司 | Flow path connection module, heat exchanger, and refrigeration device |
US12127380B2 (en) | 2023-11-16 | 2024-10-22 | Munters Corporation | Active/passive cooling system |
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