CN217979359U - High-efficient oval pipe heat exchanger of air conditioner and for military use mobile air conditioner - Google Patents
High-efficient oval pipe heat exchanger of air conditioner and for military use mobile air conditioner Download PDFInfo
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- CN217979359U CN217979359U CN202221683843.2U CN202221683843U CN217979359U CN 217979359 U CN217979359 U CN 217979359U CN 202221683843 U CN202221683843 U CN 202221683843U CN 217979359 U CN217979359 U CN 217979359U
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Abstract
The utility model provides a high-efficient elliptical tube heat exchanger of air conditioner and for military use mobile air conditioner, wherein the high-efficient elliptical tube heat exchanger of air conditioner includes: the heat exchange tube, the radiating fin and the heat conducting fin; the heat exchange tube is a copper tube with an oval cross section, the radiating fin is formed by overlapping a plurality of fins, a plurality of oval holes distributed in a staggered mode are formed in the middle of each fin, and wavy corrugated sheets are arranged on the outer sides of the fins; heat exchange tubes are inserted into the elliptical holes and penetrate through the plurality of overlapped elliptical holes; two adjacent heat exchange tubes in the transverse direction are connected through the heat conducting fins. The heat exchange tube with the oval cross section increases the surface area of the heat exchange tube and enhances the heat transfer efficiency, the heat exchange tube is connected with the fins, and the outer sides of the fins are corrugated sheets, so that the surface area of the fins is increased. The heat conducting fins transmit the temperature of the heat exchange tube with slow heat exchange at the center to the heat exchange tubes with fast heat exchange at the two sides, so that the heat exchange efficiency of the heat exchanger is higher in a limited volume. The problem of current for military use mobile air conditioner heat exchange efficiency low is solved.
Description
Technical Field
The utility model relates to an air conditioner technical field, concretely relates to high-efficient oval pipe heat exchanger of air conditioner and for military use mobile air conditioner.
Background
With the continuous development of military shelter, the vehicle-mounted equipment is required to be light, small and efficient. And the military mobile air conditioner arranged on the military shelter limits the reduction of the outline dimension to a certain extent due to the heat exchange requirement.
The high-efficiency heat exchanger has certain attempts in the aspect of military mobile air conditioners, a micro-channel heat exchanger is adopted on the side of a condenser, and the micro-channel heat exchanger can greatly improve the heat exchange efficiency, so that the aims of reducing the volume of the heat exchanger and reducing the filling amount of a refrigerant are fulfilled; the microchannel heat exchanger has certain limitations, the military mobile air conditioner has very complex and severe use environment, and particularly, the military mobile air conditioner can easily cause filth blockage of the microchannel heat exchanger when meeting sand and dust and catkin environment, thereby influencing the normal operation of the air conditioner.
In order to ensure the heat exchange quantity, the volume of the heat exchanger needs to be increased, so that the volume of the air conditioner is increased, the limited space on the vehicle limits the volume of the air conditioner, and the conventional round-tube fin type heat exchanger used by the military mobile air conditioner at present is low in heat exchange efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-efficient elliptical tube heat exchanger of air conditioner and for military use mobile air conditioner to solve the problem that current for military use mobile air conditioner heat exchange efficiency is low.
The utility model provides a first aspect provides a high-efficient elliptical tube heat exchanger of air conditioner, the utility model provides a high-efficient elliptical tube heat exchanger of air conditioner, include: the heat exchange tube, the radiating fin and the heat conducting fin;
the heat exchange tube is a copper tube with an oval cross section, the radiating fin is formed by overlapping a plurality of fins with uniform gaps, a plurality of oval holes distributed in a staggered manner are arranged in the middle of each fin, and the outer side of each fin is a wavy corrugated sheet;
heat exchange tubes are inserted into the elliptical holes and penetrate through the plurality of overlapped elliptical holes;
between two adjacent fins, two transversely adjacent heat exchange tubes are connected through the conducting strip, and the conducting strip is perpendicular to the fins.
Furthermore, both ends of the heat exchange tube are connected with fixing plates, bending parts are arranged on the periphery of the fixing plates, and the bending parts face the outer side of the heat exchanger.
Furthermore, the fixed plate corresponds the heat exchange tube and is provided with a plurality of oval fixed orificess, and the fixed plate is the L template, and the bottom of fixed plate is provided with the mounting hole, and in the one end of heat exchange tube was fixed in the fixed orificess, the fixed plate passed through the mounting hole and fixed inside the air conditioner.
Furthermore, a plurality of heat exchange tubes are arranged on the fixing plate in an upper, middle and lower three-layer layout mode, wherein a plurality of heat exchange tubes partially positioned in the middle are arranged in a group in a staggered mode at different height positions of the fixing plate, and the heat exchange tubes in each group are integrally arranged and distributed in an inclined direction; the arrangement and inclination directions of the multiple groups of heat exchange tubes are consistent.
Furthermore, the heat conducting fins and the heat exchange tubes are connected in a welding mode.
Furthermore, the oval hole of the fin is provided with a flanging, the inner diameters of the flanging and the oval hole are the same, and the flanging is in close contact with the heat exchange tube.
Furthermore, the heat exchanger further comprises a U-shaped joint, and two ends of each adjacent heat exchange tube are connected in series through the U-shaped joint.
Furthermore, the U-shaped joint is a U-shaped copper pipe with an oval cross section, and the U-shaped joint is connected with the joint of the heat exchange pipe in a welding mode.
The utility model discloses the second aspect provides a for military use mobile air conditioner, the utility model provides a for military use mobile air conditioner includes: the air-conditioning efficient elliptical tube heat exchanger is provided.
Adopt above-mentioned technical scheme, compare with prior art, the beneficial effects of the utility model are that:
the utility model provides a high-efficient elliptical tube heat exchanger of air conditioner includes: the heat exchange tube, the radiating fin and the heat conducting fin;
the heat exchange tube is a copper tube with an oval cross section, the radiating fin is formed by overlapping a plurality of fins with uniform gaps, a plurality of oval holes distributed in a staggered manner are arranged in the middle of each fin, and the outer side of each fin is a wavy corrugated sheet;
heat exchange tubes are inserted into the elliptical holes and penetrate through the plurality of overlapped elliptical holes;
between two adjacent fins, two transversely adjacent heat exchange tubes are connected through the conducting strip, and the conducting strip is perpendicular to the fins.
The heat exchange medium is in heat transfer with the outside air through the oval heat exchange tube, the heat exchange tube with the oval cross section increases the surface area of the heat exchange tube and enhances the heat transfer efficiency, the heat exchange tube is connected with the fins, the fins increase the heat exchange area of the heat exchange tube, and the outer sides of the fins are wavy corrugated sheets, so that the surface area of the fins is increased.
The heat conducting fins transmit the temperature of the heat exchange tube with slow heat exchange at the center to the heat exchange tubes with fast heat exchange at two sides, and the heat conducting fins can play a certain heat dissipation role while transmitting the temperature, thereby greatly improving the heat exchange efficiency of the heat exchanger and leading the heat exchange efficiency of the heat exchanger to be higher in a limited volume.
The problem of current for military use mobile air conditioner heat exchange efficiency low is solved.
The utility model provides a for military use mobile air conditioner includes: the air-conditioning efficient elliptical tube heat exchanger is provided. The military mobile air conditioner has the same advantages as the air conditioner high-efficiency elliptical tube heat exchanger in the prior art, and the detailed description is omitted.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an overall schematic view of the air-conditioning efficient elliptical tube heat exchanger provided by the present invention;
fig. 2 is a left side view of the air-conditioning efficient elliptical tube heat exchanger provided by the present invention;
fig. 3 is a cross-sectional view of the air-conditioning efficient elliptical tube heat exchanger provided by the present invention;
fig. 4 is a schematic diagram of a fin of the efficient elliptical tube heat exchanger for an air conditioner provided by the present invention;
fig. 5 is the overall schematic diagram of the military mobile air conditioner provided by the utility model.
In the figure: the heat exchanger comprises a heat exchange tube 1, fins 2, heat conducting fins 3, a fixing plate 4, a U-shaped joint 5, a flanging 21, a mounting hole 41 and a bending part 42.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "inside", "outside", 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 description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
The embodiment of the application provides a high-efficient elliptical tube heat exchanger of air conditioner and for military use mobile air conditioner for the regulation of the inside temperature of for military use shelter reaches the higher purpose of heat exchange efficiency in the finite space.
Example one
The utility model discloses a first aspect provides a high-efficient elliptical tube heat exchanger of air conditioner, as shown in fig. 1-4, this high-efficient elliptical tube heat exchanger of air conditioner includes: the heat exchange tube 1, the radiating fin and the heat conducting fin 3;
the heat exchange tube 1 is a copper tube with an oval cross section, the radiating fin is formed by overlapping a plurality of fins 2 with uniform gaps, a plurality of oval holes distributed in a staggered manner are formed in the middle of each fin 2, and the outer side of each fin 2 is a wavy corrugated sheet;
the heat exchange tubes 1 are inserted into the elliptical holes, and the heat exchange tubes 1 penetrate through a plurality of overlapped elliptical holes;
between two adjacent fins 2, two transversely adjacent heat exchange tubes 1 are connected through conducting strip 3, and conducting strip 3 is perpendicular with fin 2.
Specifically, the heat exchange tube 1 is formed by rolling a copper tube through a die; the heat conducting fins 3 are copper foils, the fins 2 are copper foils or aluminum foils, the environment is severe, the fins 2 are made of copper foils when the corrosion is strong, the corrosion resistance is good, the aluminum foils are used in other situations, and the manufacturing cost is lower.
In practical application, the heat exchange medium has a better heat transfer effect compared with a circular heat exchange tube in the existing structure through the oval heat exchange tube 1, and can transfer heat with outside air, the heat exchange tube 1 with the oval cross section increases the contact heat exchange area between flowing air and the heat exchange tube 1 (particularly compared with the traditional circular heat exchange tube), and the heat transfer efficiency is enhanced; although the improvement of the technical design is not changed greatly, the practicability is strong; meanwhile, the heat exchange tube 1 is connected with the fins 2, the heat exchange area of the heat exchange tube 1 is increased by the fins 2, and the surface area of the fins 2 is increased by the wavy corrugated sheets on the outer sides of the fins 2.
The heat conducting fins 3 transmit the temperature of the heat exchange tube 1 with the slow heat exchange at the center to the heat exchange tubes 1 with the fast heat exchange at the two sides, and the heat conducting fins 3 can play a certain heat dissipation role while transmitting the temperature, thereby greatly improving the heat exchange efficiency of the heat exchanger and enabling the heat exchange efficiency of the heat exchanger to be higher in a limited volume.
As a preferred embodiment, the heat conducting fin 3 is connected with the heat exchanging pipe 1 by welding.
The welding can avoid opening on the lateral wall of heat exchange tube 1, prevents that the heat transfer medium from leaking, also can not increase the whole wall thickness of heat exchange tube 1, leads to the heat exchange efficiency of heat exchange tube 1 to reduce.
In a preferred embodiment, a flange 21 is provided at the oval hole of the fin 2, the flange 21 and the oval hole have the same inner diameter, and the flange 21 is in close contact with the heat exchange tube 1.
Specifically, the fins 2 are punched to form oval holes with flanges 21 by a punch. The flanging 21 enables the contact area of the fin 2 and the heat exchange tube 1 to be larger and the contact to be tighter, so that the temperature of the heat exchange tube 1 is easier to transfer to the fin 2.
As a preferred embodiment, the heat exchanger further comprises a U-shaped joint 5, and two ends of adjacent heat exchange tubes 1 are connected in series through the U-shaped joint 5.
The U-shaped joint 5 connects the heat exchange tubes 1, so that the number of interfaces of the heat exchange tubes 1 is less, the stroke of a heat exchange medium in the heat exchange tubes 1 is longer, and the heat exchange is more thorough.
As a preferred embodiment, the U-shaped joint 5 is a U-shaped copper pipe with an oval cross section, and the U-shaped joint 5 is connected with the interface of the heat exchange pipe 1 in a welding mode.
The cross-section of U type joint 5 is the same with heat exchange tube 1 cross-section, convenient connection, and the welding makes the junction of U type joint 5 and heat exchange tube 1 more firm, and the leakproofness is better.
As a preferred embodiment, it further comprises a fixing plate 4;
the fixing plate 4 is provided with a plurality of oval fixing holes corresponding to the heat exchange tube 1, the fixing plate 4 is an L-shaped plate, the bottom of the fixing plate 4 is provided with a mounting hole 41, one end of the heat exchange tube 1 is fixed in the fixing hole, and the fixing plate 4 is fixed inside the air conditioner through the mounting hole 41.
Fixed plate 4 fixes the heat exchanger, and fixed plate 4 uses bolted connection inside the air conditioner through mounting hole 41, and the air conditioner is when taking place to rock, avoids the high-efficient oval pipe heat exchanger of air conditioner to collide with other inside spare parts of air conditioner, produces the deformation, the condition such as heat exchange tube 1 fracture.
As a preferred embodiment, the two ends of the heat exchange tube 1 are both connected with the fixing plates 4, the peripheries of the fixing plates 4 are all provided with bending parts 42, and the bending parts 42 face the outer sides of the heat exchanger.
Both ends of heat exchange tube 1 are fixed by fixed plate 4, make the heat exchanger fixed more firm, and fixed plate 4 outwards bends all around, makes fixed plate 4 intensity better, plays the guard action to the both ends of heat exchange tube 1 simultaneously, prevents that the both ends of heat exchange tube 1 from being collided by the foreign matter.
The heat exchange medium is in heat transfer with external air through the oval heat exchange tube 1, the heat exchange tube 1 with the oval cross section increases the surface area of flowing air and the heat exchange tube 1, the heat transfer efficiency is improved, the heat exchange tube 1 is connected with the fins 2, the heat exchange area of the heat exchange tube 1 is increased by the fins 2, the outer sides of the fins 2 are wavy corrugated sheets, and the surface area of the fins 2 is increased.
The heat conducting fins 3 transmit the temperature of the heat exchange tube 1 with the slow heat exchange at the center to the heat exchange tubes 1 with the fast heat exchange at the two sides, the heat conducting fins 3 can play a certain heat dissipation role while transmitting the temperature, the heat exchange efficiency of the heat exchanger is greatly improved, the heat exchange media are increased by welding and connecting the heat exchange tubes 1 through the U-shaped joints 5, the two ends of each heat exchange tube 1 are connected with the fixing plates 4, the fixing plates 4 fix the heat exchanger inside the air conditioner, and the heat exchange efficiency of the heat exchanger is higher in the limited volume.
As a preferred embodiment, the plurality of heat exchange tubes are arranged on the fixing plate in an upper, middle and lower three-layer layout mode, wherein a group of the plurality of heat exchange tubes partially positioned in the middle is installed in a staggered mode at different height positions of the fixing plate, and the heat exchange tubes in each group are arranged and distributed in an inclined direction on the whole; the arrangement and inclination directions of the multiple groups of heat exchange tubes are consistent.
The analysis shows that a plurality of heat exchange tubes in the prior art are generally distributed by a plurality of groups of heat exchange tubes in the vertical direction, and the heat exchange tubes in each group are positioned at the same horizontal height (after the plurality of groups of heat exchange tubes are connected in series by U-shaped tubes, the positions of the heat exchange tubes with a liquid inlet and a liquid outlet are specially reserved in the middle;
therefore, the embodiment of the utility model adopts the technical scheme that a plurality of heat exchange tubes partially positioned in the middle position are arranged in a group in a staggered manner at different height positions of the fixing plate, so that the heat exchange tubes are staggered with each other, the heat dissipation effect is more obvious, the occupied space is smaller, and the arrangement and inclination directions of a plurality of groups of heat exchange tubes are consistent; the heat exchange tubes on the upper layer and the lower layer can leave the liquid inlet and the liquid outlet in a staggered manner, so that the installation is better facilitated.
Example two
The utility model discloses the second aspect provides a for military use mobile air conditioner, as shown in fig. 5, this for military use mobile air conditioner includes: the air-conditioning efficient elliptical tube heat exchanger is provided.
For military use mobile air conditioner is inside to be provided with the compressor, and the one end of compressor is connected with the high-efficient elliptical tube heat exchanger of air conditioner, and the heat transfer medium in the compressor carries out the efficient heat transfer through the high-efficient elliptical tube heat exchanger of air conditioner, and is higher to the inside temperature regulation efficiency of for military use shelter.
Finally, it should be noted that: the embodiments in the present description are all described in a progressive manner, each embodiment focuses on the differences from the other embodiments, and the same and similar parts among the embodiments can be referred to each other; the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the embodiments and features of the embodiments in the present application may be combined with each other without conflict. Such modifications, substitutions or combinations do not depart from the scope of the invention in its spirit or essential characteristics.
Claims (9)
1. An efficient oval tube heat exchanger of an air conditioner is characterized by comprising: the heat exchange tube, the radiating fin and the heat conducting fin;
the heat exchange tube is a copper tube with an oval cross section, the radiating fin is formed by overlapping a plurality of fins with uniform gaps, a plurality of oval holes distributed in a staggered mode are formed in the middle of each fin, and wavy corrugated sheets are arranged on the outer sides of the fins;
the heat exchange tubes are inserted into the elliptical holes and penetrate through the plurality of overlapped elliptical holes;
between two adjacent fins, two heat exchange tubes adjacent transversely are connected through the conducting strip, and the conducting strip is perpendicular to the fins.
2. The air-conditioning efficient elliptical tube heat exchanger as claimed in claim 1, wherein fixing plates are connected to both ends of the heat exchange tube, and a bending portion is arranged around each fixing plate and faces to the outside of the heat exchanger.
3. The air-conditioning efficient elliptical tube heat exchanger as claimed in claim 2, wherein a plurality of heat exchange tubes are arranged on the fixing plate in an upper, middle and lower three-layer layout, wherein a plurality of heat exchange tubes partially positioned in the middle are arranged in a group in a staggered manner at different height positions of the fixing plate, and the heat exchange tubes in each group are arranged and distributed in an inclined direction as a whole; the arrangement and inclination directions of the multiple groups of heat exchange tubes are consistent.
4. The air-conditioning efficient elliptical tube heat exchanger as claimed in claim 1, wherein a flange is provided at the elliptical hole of the fin, the flange and the elliptical hole have the same inner diameter, and the flange is in close contact with the heat exchange tube.
5. The air conditioner efficient oval tube heat exchanger as claimed in claim 1, further comprising U-shaped joints, wherein both ends of adjacent heat exchange tubes are connected in series through the U-shaped joints.
6. The air-conditioning efficient elliptical tube heat exchanger as claimed in claim 5, wherein the U-shaped joint is a U-shaped copper tube with an elliptical cross section, and the U-shaped joint is welded and connected with the heat exchange tube interface.
7. The air-conditioning efficient elliptical tube heat exchanger as claimed in claim 3, wherein the fixing plate is provided with a plurality of elliptical fixing holes corresponding to the heat exchange tubes, the fixing plate is an L-shaped plate, the bottom of the fixing plate is provided with mounting holes, one ends of the heat exchange tubes are fixed in the fixing holes, and the fixing plate is fixed inside an air conditioner through the mounting holes.
8. The air-conditioning efficient elliptical tube heat exchanger as claimed in claim 1, characterized in that the heat conducting fins and the heat exchange tubes are connected by welding.
9. A military mobile air conditioner, comprising: the air-conditioning efficient elliptical tube heat exchanger of any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221683843.2U CN217979359U (en) | 2022-06-30 | 2022-06-30 | High-efficient oval pipe heat exchanger of air conditioner and for military use mobile air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221683843.2U CN217979359U (en) | 2022-06-30 | 2022-06-30 | High-efficient oval pipe heat exchanger of air conditioner and for military use mobile air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217979359U true CN217979359U (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221683843.2U Active CN217979359U (en) | 2022-06-30 | 2022-06-30 | High-efficient oval pipe heat exchanger of air conditioner and for military use mobile air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217979359U (en) |
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2022
- 2022-06-30 CN CN202221683843.2U patent/CN217979359U/en active Active
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