CN214223857U - Air conditioner heat exchanger with uniform distribution structure - Google Patents
Air conditioner heat exchanger with uniform distribution structure Download PDFInfo
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- CN214223857U CN214223857U CN202120172598.8U CN202120172598U CN214223857U CN 214223857 U CN214223857 U CN 214223857U CN 202120172598 U CN202120172598 U CN 202120172598U CN 214223857 U CN214223857 U CN 214223857U
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Abstract
The utility model discloses an air-conditioning heat exchanger with an even distribution structure, which comprises a shell, a cooling cavity, a flow distribution plate, a flow collection plate, a heat exchange tube, a hot fluid inlet tube, a hot fluid outlet tube, a cold fluid inlet tube and a cold fluid outlet tube; the inner cavity of the flow distribution plate is provided with three partition plates, the three partition plates divide the inner cavity of the flow distribution plate into four containing cavities, each containing cavity is provided with a flow equalizing pipe, and the pipe diameter of each flow equalizing pipe is gradually increased along the direction from a hot fluid inlet pipe to a heat exchange pipe; the hot fluid inlet pipe is communicated with four flow equalizing pipes through four branch pipes, and the branch pipes are communicated with the heat exchange pipe through the flow equalizing pipes; through setting up four and holding the chamber to the inside that holds the chamber sets up along the hot-fluid advances the equal flow tube of pipe to the direction crescent of heat exchange tube, can increase the sectional area of pipeline, reduces fluidic velocity of flow, makes the hot-fluid of branch pipe can be through the slow even many heat exchange tubes of the distribution of the pipe that flow equalizes, and the heat transfer effect of the every heat exchange tube of full play improves heat exchange efficiency.
Description
Technical Field
The utility model relates to a heat exchanger technical field, concretely relates to area is air conditioner heat exchanger of structure all joined in marriage.
Background
In the prior art, the problem of uneven flow distribution of the heat exchange tubes due to the fact that the heat exchange tubes are far away from the inlet tubes exists, for example, the closer the heat exchange tubes are, the more the flow of fluid in the heat exchange tubes is, and the farther the heat exchange tubes are, the less the flow of fluid in the heat exchange tubes is, the media cannot be uniformly distributed to a plurality of heat exchange tubes, so that the heat exchange effect of each heat exchange tube cannot be fully exerted, and the heat exchange efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a can evenly distribute the medium, be favorable to the heat transfer effect of every heat exchange tube of full play, improve the air conditioner heat exchanger of structure is all joined in marriage in area of heat exchange efficiency.
In order to solve the technical problem, the technical scheme of the utility model is that: an air conditioner heat exchanger with an equal distribution structure comprises a shell, a cooling cavity arranged in the shell, a flow distribution plate which is arranged on the inner wall of one side of the cooling cavity and is arranged in a hollow mode, a flow collecting plate which is arranged on the inner wall of the other side of the cooling cavity and is arranged in a hollow mode, a plurality of heat exchange tubes arranged between the flow distribution plate and the flow collecting plate, a hot fluid inlet tube which is fixed to and communicated with the flow distribution plate, a hot fluid outlet tube which is fixed to and communicated with the flow collecting plate, a cold fluid inlet tube which is arranged at the bottom of one side of the shell, is positioned below the flow collecting plate and is communicated with the cooling cavity, and a cold fluid outlet tube which is arranged at the top of the other side of the shell, is positioned above the flow distribution plate and is communicated with the cooling cavity; the inner cavity of the flow distribution plate is provided with three partition plates, the three partition plates divide the inner cavity of the flow distribution plate into four containing cavities, a flow equalizing pipe is arranged in each containing cavity, and the pipe diameter of each flow equalizing pipe is gradually increased along the direction from a hot fluid inlet pipe to a heat exchange pipe; the hot fluid inlet pipe is respectively communicated with four flow equalizing pipes through four branch pipes, and each branch pipe is communicated with more than two heat exchange pipes through the flow equalizing pipes. When the flow of the fluid is fixed, the flow velocity of the fluid is in inverse proportion to the sectional area of the pipeline, and the wall attachment effect of the fluid is utilized, so that the hot fluid of the branch pipe can be slowly and uniformly distributed to the plurality of heat exchange pipes through the flow equalizing pipe, the heat exchange effect of each heat exchange pipe is fully exerted, and the heat exchange efficiency is improved.
Preferably, one side of the accommodating cavity is provided with an inflow hole, the other side of the accommodating cavity is provided with a plurality of outflow holes, the branch pipe is fixed and communicated with the flow equalizing pipe through the inflow hole, and the flow equalizing pipe is fixed and communicated with the heat exchange pipe through the outflow hole.
Preferably, a collector is arranged in the collector plate, a plurality of collector inflow holes fixed and communicated with the heat exchange tube are formed in one side of the collector, and collector outflow holes fixed and communicated with the hot fluid outlet tube are formed in the lower portion of the other side of the collector.
Preferably, the flow distribution plate is an aluminum flow distribution plate; the aluminum has good heat-conducting property, so that hot fluid can exchange heat with cold fluid in the cooling cavity in the splitter plate, and the heat exchange efficiency is improved.
Preferably, the collector plate is an aluminum collector plate; the aluminum has good heat-conducting property, so that hot fluid can exchange heat with cold fluid in the cooling cavity in the collector plate, and the heat exchange efficiency is improved.
Preferably, the heat exchange tube is an aluminum heat exchange tube; aluminum is a good conductor of heat, has a thermal conductivity three times greater than that of iron, and various heat exchangers, heat dissipating materials, cookers, and the like can be industrially manufactured from aluminum.
The utility model discloses technical effect mainly embodies: through setting up four and holding the chamber to the inside that holds the chamber sets up along the hot-fluid advances the equal flow tube of pipe to the direction crescent of heat exchange tube, can increase the sectional area of pipeline, reduces fluidic velocity of flow, makes the hot-fluid of branch pipe can be through the slow even many heat exchange tubes of the distribution of the pipe that flow equalizes, and the heat transfer effect of the every heat exchange tube of full play improves heat exchange efficiency.
Drawings
Fig. 1 is a schematic structural view of an air conditioner heat exchanger with an equalizing structure according to the present invention;
fig. 2 is a schematic structural view of the flow distribution plate of fig. 1.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.
In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.
An air-conditioning heat exchanger with an equal distribution structure is shown in figures 1-2 and comprises a shell 1, a cooling cavity 2 arranged in the shell 1, a flow dividing plate 3 which is arranged on the inner wall of one side of the cooling cavity 2 and is arranged in a hollow manner, a flow collecting plate 4 which is arranged on the inner wall of the other side of the cooling cavity 2 and is arranged in a hollow manner, a plurality of heat exchange tubes 5 which are arranged between the flow dividing plate 3 and the flow collecting plate 4 and are used for communicating the flow dividing plate 3 with the flow collecting plate 4, with the fixed hot-fluid that communicates of flow distribution plate 3 advances pipe 6, with the fixed hot-fluid exit tube 7 that communicates of flow distribution plate 4 sets up the cold fluid that just is located flow distribution plate 4 below of one side bottom of shell 1 and communicates with cooling chamber 2 advances pipe 8, sets up the opposite side top of shell 1, and be located flow distribution plate 3 top and with the cold fluid exit tube 9 that cooling chamber 2 communicates. The cold fluid and the hot fluid are arranged in a countercurrent mode, and the countercurrent arrangement is favorable for improving the heat exchange efficiency.
The inner cavity of the flow distribution plate 3 is provided with three partition plates 31, the three partition plates 31 divide the inner cavity of the flow distribution plate 3 into four containing cavities 32, each containing cavity 32 is internally provided with a flow equalizing pipe 33, and the pipe diameter of the flow equalizing pipe 33 is gradually increased along the direction from the hot fluid inlet pipe 6 to the heat exchange pipe 5; one side of the accommodating cavity 32 is provided with an inflow hole 321, the other side of the accommodating cavity 32 is provided with a plurality of outflow holes 322, the branch pipe 61 is fixed and communicated with the flow equalizing pipe 33 through the inflow hole 321, and the flow equalizing pipe 33 is fixed and communicated with the heat exchange pipe 5 through the outflow holes 322.
The hot fluid inlet pipe 6 is respectively communicated with four flow equalizing pipes 33 through four branch pipes 61, and each branch pipe 61 is communicated with more than two heat exchange pipes 5 through the flow equalizing pipes 33. When the flow of the fluid is constant, the flow velocity of the fluid is in inverse proportion to the sectional area of the pipeline, and the wall attachment effect of the fluid is utilized, so that the hot fluid of the branch pipe 61 can be slowly and uniformly distributed to the plurality of heat exchange pipes 5 through the flow equalizing pipe 33, the heat exchange effect of each heat exchange pipe 5 is fully exerted, and the heat exchange efficiency is improved. Because the pipe diameter of the flow equalizing pipe 33 is gradually increased along the direction from the hot fluid inlet pipe 6 to the heat exchange pipes 5, the flowing sectional area of the hot fluid in the flow equalizing pipe 33 is continuously increased, and the flow rate of the hot fluid is continuously reduced, so that the flow equalizing pipe 33 can buffer and buffer the hot fluid flowing from the branch pipe 61, and the hot fluid in the branch pipe 61 can be slowly distributed to a plurality of heat exchange pipes 5 through the flow equalizing pipe 33. The Coanda Effect (Coanda Effect) is also known as the Coanda Effect or Coanda Effect; the fluid (the water flow or the air flow deviates from the original flowing direction and tends to flow along the convex object surface instead; when the surface friction exists between the fluid and the object surface through which the fluid flows (also called fluid viscosity), the fluid flows along the object surface as long as the curvature is not large, and the diameter of the flow equalizing pipe 33 is gradually increased along the direction from the hot fluid inlet pipe 6 to the heat exchange pipe 5, so that the hot fluid in the branch pipe 61 can be uniformly distributed to the plurality of heat exchange pipes 5 through the flow equalizing pipe 33.
A collecting cavity 41 is arranged in the collecting plate 4, a plurality of collecting inflow holes 42 fixed and communicated with the heat exchange tube 5 are arranged on one side of the collecting cavity 41, and a collecting outflow hole 43 fixed and communicated with a hot fluid outlet tube is arranged on the lower portion of the other side of the collecting cavity 41.
In this embodiment, the splitter plate 3 is an aluminum splitter plate. The heat conductivity of the aluminum is good, so that hot fluid can exchange heat with cold fluid in the cooling cavity 2 in the splitter plate 3, and the heat exchange efficiency is improved.
In this embodiment, the current collecting plate 4 is an aluminum current collecting plate. The heat conductivity of the aluminum is good, so that hot fluid can exchange heat with cold fluid in the cooling cavity 2 in the collector plate 4, and the heat exchange efficiency is improved.
In the present embodiment, the heat exchange pipe 5 is an aluminum heat exchange pipe. Aluminum is a good conductor of heat, has a thermal conductivity three times greater than that of iron, and various heat exchangers, heat dissipating materials, cookers, and the like can be industrially manufactured from aluminum.
The utility model discloses technical effect mainly embodies: through setting up four and holding the chamber to the inside that holds the chamber sets up along the hot-fluid advances the equal flow tube of pipe to the direction crescent of heat exchange tube, can increase the sectional area of pipeline, reduces fluidic velocity of flow, makes the hot-fluid of branch pipe can be through the slow even many heat exchange tubes of the distribution of the pipe that flow equalizes, and the heat transfer effect of the every heat exchange tube of full play improves heat exchange efficiency.
Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.
Claims (6)
1. An air conditioner heat exchanger with an equal distribution structure comprises a shell, a cooling cavity arranged in the shell, a flow distribution plate which is arranged on the inner wall of one side of the cooling cavity and is arranged in a hollow mode, a flow collection plate which is arranged on the inner wall of the other side of the cooling cavity and is arranged in a hollow mode, a plurality of heat exchange tubes arranged between the flow distribution plate and the flow collection plate, a hot fluid inlet tube which is fixed to and communicated with the flow distribution plate, a hot fluid outlet tube which is fixed to and communicated with the flow collection plate, a cold fluid inlet tube which is arranged at the bottom of one side of the shell and is communicated with the cooling cavity, and a cold fluid outlet tube which is arranged at the top of the other side of the shell and is communicated with the cooling cavity; the method is characterized in that: the inner cavity of the flow distribution plate is provided with three partition plates, the three partition plates divide the inner cavity of the flow distribution plate into four containing cavities, a flow equalizing pipe is arranged in each containing cavity, and the pipe diameter of each flow equalizing pipe is gradually increased along the direction from a hot fluid inlet pipe to a heat exchange pipe; the hot fluid inlet pipe is respectively communicated with four flow equalizing pipes through four branch pipes, and each branch pipe is communicated with more than two heat exchange pipes through the flow equalizing pipes.
2. An air conditioner heat exchanger with an equalizing structure as defined in claim 1, wherein: one side of holding the chamber is provided with an influent stream hole, the opposite side of holding the chamber is provided with a plurality of discharge orifice, the branch pipe is fixed and is communicate with the pipe that flow equalizes through the influent stream hole, the pipe that flow equalizes is fixed and communicates with the heat exchange tube through discharge orifice.
3. An air conditioner heat exchanger with an equalizing structure as defined in claim 1, wherein: the heat exchanger is characterized in that a collector is arranged in the collector plate, a plurality of collector inflow holes fixed and communicated with the heat exchange tube are formed in one side of the collector, and collector outflow holes fixed and communicated with the hot fluid outlet tube are formed in the lower portion of the other side of the collector.
4. An air conditioner heat exchanger with an equalizing structure as defined in claim 1, wherein: the flow distribution plate is an aluminum flow distribution plate.
5. An air conditioner heat exchanger with an equalizing structure as defined in claim 1, wherein: the collector plate is an aluminum collector plate.
6. An air conditioner heat exchanger with an equalizing structure as defined in claim 1, wherein: the heat exchange tube is an aluminum heat exchange tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120172598.8U CN214223857U (en) | 2021-01-21 | 2021-01-21 | Air conditioner heat exchanger with uniform distribution structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120172598.8U CN214223857U (en) | 2021-01-21 | 2021-01-21 | Air conditioner heat exchanger with uniform distribution structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214223857U true CN214223857U (en) | 2021-09-17 |
Family
ID=77691196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120172598.8U Active CN214223857U (en) | 2021-01-21 | 2021-01-21 | Air conditioner heat exchanger with uniform distribution structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214223857U (en) |
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2021
- 2021-01-21 CN CN202120172598.8U patent/CN214223857U/en active Active
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