CN211503801U - Equal-difference flow channel fin type heat exchanger - Google Patents
Equal-difference flow channel fin type heat exchanger Download PDFInfo
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- CN211503801U CN211503801U CN201922413133.2U CN201922413133U CN211503801U CN 211503801 U CN211503801 U CN 211503801U CN 201922413133 U CN201922413133 U CN 201922413133U CN 211503801 U CN211503801 U CN 211503801U
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Abstract
The utility model discloses an arithmetic flow channel fin type heat exchanger, which comprises a plurality of heat exchange flow channel groups connected in parallel, wherein each heat exchange flow channel group is formed by connecting a plurality of heat exchange tubes in series, the position of the heat exchange flow channel group corresponding to large unit area air volume is short, and the length of the flow channel is short; the length of the runner at the part with small air volume per unit area corresponding to the heat exchange runner group is longer. The problems that an original equal-length runner fin type heat exchanger is poor in heat exchange effect, low in heat exchanger utilization rate, prone to frosting on fins and the like are solved.
Description
Technical Field
The utility model belongs to the technical field of the heat exchanger technique and specifically relates to a flow channel fin formula heat exchanger of arithmetic.
Background
Generally, the fin type heat exchanger with equal length flow channels is adopted, the air quantity flowing through the heat exchanger device in unit area is different, the heat exchange effect of the heat exchanger is poor, the area of the heat exchanger needs to be increased to meet the actual heat exchange requirement, and a large amount of raw materials are wasted.
Chinese patent document (application No. 2018208384022) discloses a fin type heat exchanger, comprising a primary heat exchange tube bundle including a plurality of rows of first heat exchange tubes; the secondary heat exchange tube bundle comprises a plurality of rows of second heat exchange tubes, and a preset distance is reserved between the secondary heat exchange tube bundle and the primary heat exchange tube bundle; the primary fins are sleeved on the primary heat exchange tube bundle, and the adjacent primary fins are spaced by a first preset fin distance; and the secondary fins are sleeved on the secondary heat exchange tube bundle, and the adjacent secondary fins are spaced by a second preset sheet distance. The finned heat exchanger is designed in two stages, the pipe diameters and the fin distances of the two stages of heat exchange pipe bundles can be adjusted according to needs, and the two stages of heat exchange pipe bundles are kept away from contact, so that heat conduction can be prevented; but the utility model discloses a still can not solve the heat transfer effect poor problem that the different amount of wind that lead to of heat exchanger device unit area flows through.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at prior art not enough, provide an isometric runner finned heat exchanger, solved original isometric runner finned heat exchanger heat transfer effect poor, the heat exchanger utilization ratio is not high, easily frost scheduling problem on the fin.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the uniform-difference runner finned heat exchanger comprises a plurality of heat exchange runner groups connected in parallel, wherein each heat exchange runner group is formed by connecting a plurality of heat exchange tubes in series, the heat exchange runner groups correspond to positions with large air volume per unit area, and the runners are short in length; the length of the runner at the part with small air volume per unit area corresponding to the heat exchange runner group is longer.
Further, the heat exchange flow channel groups are respectively: the heat exchanger comprises a first flow channel formed by connecting a plurality of first heat exchange tubes in series, a second flow channel formed by connecting a plurality of second heat exchange tubes in series, a third flow channel formed by connecting a plurality of third heat exchange tubes in series, a fourth flow channel formed by connecting a plurality of fourth heat exchange tubes in series, and a fifth flow channel formed by connecting a plurality of fifth heat exchange tubes in series.
Furthermore, the first heat exchange tube, the second heat exchange tube, the third heat exchange tube, the fourth heat exchange tube and the fifth heat exchange tube are transversely distributed in an equidistant staggered manner and vertically distributed in an equidistant manner.
Further, the unit area relative air volume of the first flow channel, the second flow channel, the third flow channel, the fourth flow channel and the fifth flow channel is 1.5, 1.2 and 1, and the relative length of the corresponding flow channels is 1, 1.25 and 1.5.
The utility model has the advantages that:
1. the utility model discloses the amount of wind according to flowing through fin type heat exchanger device unit area is different, adopts unequal length runner fin type heat exchanger device, and the big position runner of this kind of heat exchanger unit area amount of wind is short, and the position runner that the amount of wind is little is long, and it is poor to have solved original equal length runner fin type heat exchanger heat transfer effect, and the heat exchanger utilization ratio is not high, easily frosting scheduling problem on the fin.
2. According to the theoretical air quantity value flowing through the unit area of the fin type heat exchanger device, the corresponding flow channels have the optimal theoretical length, so that the optimal heat exchange effect of each flow channel is fully exerted.
Drawings
Fig. 1 is the structure schematic diagram of the equal-difference flow channel fin type heat exchanger of the present invention.
Fig. 2 is a sectional view taken along line a-a in fig. 1.
In the figure: 1-heat exchange tube one, 2-heat exchange tube two, 3-heat exchange tube three, 4-heat exchange tube four, 5-heat exchange tube five, 6-fin, 7-runner one, 8-runner two, 9-runner three, 10-runner four, 11-runner five.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1, an arithmetic flow channel fin-type heat exchanger includes a plurality of heat exchange flow channel groups connected in parallel, each of the heat exchange flow channel groups is formed by connecting a plurality of heat exchange tubes in series, and the heat exchange flow channel group corresponds to a position with large air volume per unit area, and has a shorter length; the length of the runner at the part with small air volume per unit area corresponding to the heat exchange runner group is longer. The heat exchange flow channel groups in this embodiment are respectively: the heat exchanger comprises a first flow channel 7 formed by connecting 8 heat exchange tubes I1 in series, a second flow channel 8 formed by connecting 8 heat exchange tubes II 2 in series, a third flow channel 9 formed by connecting 10 heat exchange tubes III 3 in series, a fourth flow channel 10 formed by connecting 10 heat exchange tubes IV 4 in series, and a fifth flow channel 11 formed by connecting 12 heat exchange tubes V5 in series.
The heat exchange tubes I1, II 2, III 3, IV 4 and V5 are transversely distributed in an equidistant staggered manner and vertically distributed in an equidistant manner, and are respectively in expansion joint interference fit with the fins 6, as shown in figure 1; the heat exchange tubes positioned at the upper left position in the heat exchange runner group are inlet/outlet, the heat exchange tubes positioned at the lower right position are outlet/inlet, and the heat exchange tubes are connected in parallel through a gas collecting tube or a liquid homogenizing device. The refrigerant flows in the heat exchange tube, firstly exchanges heat with the heat exchange tube, and then exchanges heat between the heat exchange tube and the fins. Finally, the working principle of heat exchange between the fin type heat exchanger and the air is realized.
The utility model discloses the amount of wind according to flowing through finned heat exchanger unit area is different, adopts the long runner finned heat exchanger device that varies, and the position runner that the heat exchanger unit area amount of wind is big promptly is short, and the position runner that the amount of wind is little is long, for example in this embodiment, the relative amount of wind V of unit area that runner one 7, runner two 8, runner three 9, runner four 10 and runner five 11 correspond respectively is 1.5, 1.2, 1, consequently the utility model discloses the relative length L of well runner one 7, runner two 8, runner three 9, runner four 10 and runner five 11 designs is 1, 1.25, 1.5 respectively to this best heat transfer effect of full play every runner.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. The utility model provides an arithmetic flow channel finned heat exchanger which characterized in that: the heat exchanger comprises a plurality of heat exchange runner groups connected in parallel, wherein each heat exchange runner group is formed by connecting a plurality of heat exchange tubes in series, the heat exchange runner group corresponds to a position with large air volume per unit area, and the length of the runner is shorter; the length of the runner at the part with small air volume per unit area corresponding to the heat exchange runner group is longer.
2. The heat exchanger of claim 1, wherein: the heat exchange runner groups are respectively as follows: the heat exchanger comprises a first flow channel formed by connecting a plurality of first heat exchange tubes in series, a second flow channel formed by connecting a plurality of second heat exchange tubes in series, a third flow channel formed by connecting a plurality of third heat exchange tubes in series, a fourth flow channel formed by connecting a plurality of fourth heat exchange tubes in series, and a fifth flow channel formed by connecting a plurality of fifth heat exchange tubes in series.
3. The heat exchanger of claim 2, wherein: the first heat exchange tube, the second heat exchange tube, the third heat exchange tube, the fourth heat exchange tube and the fifth heat exchange tube are transversely distributed in an equidistant staggered mode and vertically distributed in an equidistant mode.
4. The heat exchanger of claim 2, wherein: the unit area relative air volume of the first flow channel, the second flow channel, the third flow channel, the fourth flow channel and the fifth flow channel is 1.5, 1.2 and 1, and the relative length of the corresponding flow channels is 1, 1.25 and 1.5 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922413133.2U CN211503801U (en) | 2019-12-29 | 2019-12-29 | Equal-difference flow channel fin type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922413133.2U CN211503801U (en) | 2019-12-29 | 2019-12-29 | Equal-difference flow channel fin type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211503801U true CN211503801U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201922413133.2U Active CN211503801U (en) | 2019-12-29 | 2019-12-29 | Equal-difference flow channel fin type heat exchanger |
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| Country | Link |
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| CN (1) | CN211503801U (en) |
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2019
- 2019-12-29 CN CN201922413133.2U patent/CN211503801U/en active Active
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Address after: No.958, Ming'an Road, Huangdao District, Qingdao City, Shandong Province 266490 Patentee after: Qingdao Aolikai Energy Co.,Ltd. Address before: No.958, Ming'an Road, Huangdao District, Qingdao City, Shandong Province 266490 Patentee before: QINGDAO ALKKT CENTRAL AIR CONDITIONER CO.,LTD. |