CN110701942A - Heat exchanger fin, heat exchanger, indoor unit and air conditioner - Google Patents
Heat exchanger fin, heat exchanger, indoor unit and air conditioner Download PDFInfo
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- CN110701942A CN110701942A CN201911014034.5A CN201911014034A CN110701942A CN 110701942 A CN110701942 A CN 110701942A CN 201911014034 A CN201911014034 A CN 201911014034A CN 110701942 A CN110701942 A CN 110701942A
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- heat exchanger
- fin
- air
- fin body
- contour line
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a heat exchanger fin, a heat exchanger, an indoor unit and an air conditioner, wherein the heat exchanger fin comprises a fin body and a fin body, the fin body comprises an air outlet contour line arranged on one side and an air inlet contour line arranged on the other side, and the fin body is provided with a plurality of refrigerant pipe mounting holes. By adopting the technical scheme, the utilization rate of the heat exchanger fin can be improved, the heat exchange efficiency can be improved, the energy consumption can be saved, the material waste can be reduced, and the production cost can be reduced.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a heat exchanger fin, a heat exchanger, an indoor unit and an air conditioner.
Background
At present, most commonly used heat exchanger fins in an indoor unit heat exchanger are of equal-width rectangles or have partial special-shaped structures at two ends of the rectangles, and pipeline flow paths on the heat exchanger fins are also uniformly arranged according to rules. However, air sent by a fan of an indoor unit is generally non-uniform, which easily causes excess air quantity in a part of areas of a heat exchanger and material waste in a part of areas, resulting in low utilization rate of the heat exchanger and affecting the heat exchange efficiency of the air conditioner.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, it is an object of the present invention to provide a heat exchanger fin.
Another object of the present invention is to provide a heat exchanger.
An object of the present invention is to provide an indoor unit.
Another object of the present invention is to provide an air conditioner.
In order to achieve the above object, a first aspect of the present invention provides a heat exchanger fin, including: the fin body, the fin body is including the air-out contour line of locating one side and the air inlet contour line of locating the opposite side, and is equipped with a plurality of refrigerant pipe mounting holes on the fin body, and wherein, fin body formula structure as an organic whole, on the straight line of curvature radius place of the air-out contour line of fin body, or on the straight line of curvature radius place of the air inlet contour line of fin body, the distance between the air inlet contour line of fin body and the air-out contour line is reduced to both ends by the middle part of heat exchanger fin gradually.
According to the technical scheme of the first aspect of the invention, the heat exchanger fin comprises a fin body with an integrated structure, a plurality of refrigerant pipe mounting holes for arranging refrigerant pipelines are arranged on the fin body, wherein the distance between the air inlet contour line and the air outlet contour line of the fin body is reduced from the middle part of the heat exchanger fin to the two ends by arranging the straight line of the curvature radius of the air outlet contour line of the fin body or the straight line of the curvature radius of the air inlet contour line of the fin body, so that the area of the middle part of the fin body is larger than the areas of the two ends, the area of the fin body in the middle area with larger air volume is increased, the area of the fin body in the area with smaller air volume is reduced, the utilization rate of the heat exchanger fin is improved, the heat exchange performance is enhanced, the energy consumption is saved, and the material waste in the area with, is favorable for reducing the production cost.
It should be emphasized that the integral structure of the fin body specifically refers to a structure integrally formed in a machining or manufacturing process, and further, the integral formation is realized by cutting a raw material.
It should be noted that the outlet airflow of the conventional air conditioner fan is in a non-uniform state, and particularly, the outlet airflow of the indoor unit is entirely larger in the middle area than in the outer area.
In addition, the heat exchanger fin in the above technical solution provided by the present invention may also have the following additional technical features:
in the technical scheme, the fin body is sunken along the direction from the air inlet side to the air outlet side, and at least part of the air outlet contour line can coincide with the air inlet contour line after being translated.
In the technical scheme, the fin body is sunken along the direction from the air inlet side to the air outlet side by arranging the fin body, so that the fin body is in a bent state, the distance between the middle area of the fin body and the air outlet of the fan can be increased, and the air pressure borne by the fin is reduced. At least part of the air outlet contour line of the fin body can coincide with the air inlet contour line after translation, so that the fin body can be conveniently cut out in the machining process, waste materials in the machining process are reduced, and the production cost is favorably reduced. It can be understood that in the production and processing process, the fin body needs to be cut and shaped in the whole material, and the utilization rate of the material can be improved by reducing the distance between two fins in the whole material.
In above-mentioned technical scheme, the first end and the second end of air inlet contour line link to each other with the air-out contour line respectively, and the maximum value of the distance between air inlet contour line and the air-out contour line is in the region of 1/5 to 4/5 on the air inlet contour line along first end to the direction of second end.
In the technical scheme, the first end and the second end of the air inlet contour line are limited to be respectively connected with the air outlet contour line so as to form the outer contour of the complete fin body; wherein, the maximum value of the distance between the air inlet outline line and the air outlet outline line of fin body is in 1/5 to 4/5's on the air inlet outline line region in the direction along first end to second end for the maximum value of distance is kept away from first end and second end, and the maximum value position of distance is in fin body middle part position promptly, thereby makes the biggest part of area on the fin body correspond to the great region of amount of wind, with the utilization ratio that improves the heat exchanger fin.
In the technical scheme, the straight line corresponding to the maximum distance extends along the air inlet direction of the heat exchanger fin.
In the technical scheme, the straight line corresponding to the maximum distance extends along the air inlet direction of the heat exchanger fin, so that the extending direction of the fin body is consistent with the air inlet direction, the contact area between the fin body and the air inlet flow is increased, and the heat exchange efficiency is improved. Wherein, it should be noted that the air intake direction is the overall movement trend direction of the intake airflow. On the straight line of the curvature radius of the air outlet contour line of the fin body or on the straight line of the curvature radius of the air inlet contour line of the fin body, the distance between the air inlet contour line of the fin body and the air outlet contour line has a maximum value, and the straight line where the maximum value of the distance is located is the straight line corresponding to the maximum value of the distance.
In the technical scheme, the fin body is in a symmetrical structure by a straight line corresponding to the maximum distance.
In the technical scheme, the fin body is limited to be in a symmetrical structure with the straight line corresponding to the maximum distance, so that the shapes of parts on two sides of the straight line corresponding to the maximum distance on the fin body are the same, on one hand, the heat exchange performance of the heat exchanger using the heat exchanger fin is uniform, and on the other hand, the heat exchanger fin is convenient to cut.
In the above technical scheme, the length of the air inlet contour line on one side of the straight line corresponding to the maximum distance is greater than the length on the other side.
In this technical scheme, the length that the air inlet contour line through injecing the fin body is located the straight line one side that corresponds with the maximum value of distance is greater than the length that is located the opposite side for the whole asymmetric structure that is of fin body, carries out corresponding setting with the amount of wind size according to the different regions of air inlet air current, and the area of increase fin body in the great region of amount of wind reduces the area of fin body in the less region of amount of wind, can further improve heat exchanger fin's utilization ratio. It can be understood that the air inlet flow is non-uniform flow, and the air quantity of each area in the air flow is not necessarily arranged completely and symmetrically.
In the technical scheme, the air outlet contour line comprises five arc line sections which are sequentially connected, and the curvatures of the adjacent arc line sections are gradually reduced from the middle to two ends of the heat exchanger fin.
In the technical scheme, the contour line through the fin body comprises five arc line sections which are connected in sequence, the curvatures of the arc line sections of two jin are gradually reduced from the middle to two ends of the heat exchanger fin, so that the fin body is in different shapes by changing the curvature of different arc line sections, and the fin body is conveniently molded according to the air volume of the air inlet flow.
In the technical scheme, the plane where the air inlet direction of the fin body is located is a first plane, and the plane perpendicular to the first plane is a second plane; the projection size of the fin body on the second plane is larger than that of the fin body on the first plane.
In the technical scheme, the plane where the air inlet direction of the fin body is limited is a first plane, the plane perpendicular to the first plane is a second plane, the size of the projection of the fin body on the second plane is larger than the size of the projection of the fin body on the first plane, the included angle between the air inlet contour line of the fin body and the air inlet direction can be increased relatively, the contact area between a refrigerant pipeline and air inlet flow arranged on the fins of the heat exchanger can be increased, and the heat exchange efficiency is improved.
In the above technical solution, on the second plane, a projection size of the fin body on one side of the straight line corresponding to the maximum value of the distance is larger than a projection size of the fin body on the other side of the straight line corresponding to the maximum value of the distance.
In the technical scheme, the fin body is located on the projection size of one side of the straight line corresponding to the maximum value of the distance, the projection size of the other side of the straight line corresponding to the maximum value of the distance is larger than the projection size of the other side of the straight line corresponding to the maximum value of the distance, the fin body is made to form an asymmetric structure, the sizes of the two ends of the fin body on the second plane are different, namely the sizes of the two ends of the straight line corresponding to the maximum value of the distance are different in the air inlet direction of the fin body, the fin body can be correspondingly arranged according to the different air volume areas of the inlet air flow, the area with the larger air volume corresponds to the part with the larger size on the fin body, the area with the smaller air volume corresponds to the part with the smaller size on the fin body, the utilization rate of the.
In the above technical solution, on the first plane, a projection size of the fin body on one side of the straight line corresponding to the maximum value of the distance is larger than a projection size of the fin body on the other side of the straight line corresponding to the maximum value of the distance.
In this technical scheme, through injecing on the first plane, the fin body is located the projection size of one side of the straight line that corresponds with the maximum value of distance, be greater than the projection size that the fin body is located the straight line that corresponds with the maximum value of distance's opposite side, make the fin body form asymmetric structure, and the fin body is different at the ascending size of air inlet side, thereby can be according to the different wind volume size region of air inlet air current and correspond the fin body of arranging, make the region that the amount of wind is great correspond to the great part of size on the fin body, the region that the amount of wind is less corresponds to the less part of size on the fin body, with the utilization ratio of increase fin body, and the heat exchange.
In above-mentioned technical scheme, the middle part of heat exchanger fin is formed with the equidistance region, and in the equidistance region, the distance between air inlet contour line and the air-out contour line is equal.
In this technical scheme, through being formed with the equidistance region in the middle part of heat exchanger fin, and in the equidistance region, the distance between air inlet outline line and the air-out outline line equals to increase the fin area that corresponds with the great region of air inlet air current amount of wind, thereby increase the utilization ratio of fin body, be favorable to improving heat exchange efficiency. It can be understood that the air volume is the same in the local area inside the intake airflow, or the air volume variation is smaller and close to the same.
In the above technical scheme, the air inlet contour line and the air outlet contour line in the equidistant area are arc lines, straight lines, combinations of the straight lines and the arc lines, combinations of the straight lines and the straight lines or combinations of the arc lines and the arc lines.
In this technical scheme, the air inlet contour line and the air outlet contour line in equidistance region can have multiple form, including the combination of pitch arc, straight line and pitch arc, the combination of straight line and straight line or the combination of pitch arc and pitch arc, wherein, the straight line is convenient for tailor the processing of fin body, and the pitch arc can make air inlet contour line and air outlet contour line keep streamlined, is favorable to reducing the windage, makes the air flow more unobstructed.
In the technical scheme, the number of the refrigerant pipe mounting holes is gradually reduced from the middle part to the two ends of the heat exchanger fin.
In this technical scheme, the quantity through setting up refrigerant pipe mounting hole is reduced to both ends by the middle part of heat exchanger fin gradually to arrange more cold pipeline in the great region of the amount of wind that corresponds to air inlet flow, reduce the refrigerant pipeline quantity in the less region of the amount of wind, with make full use of air inlet flow, improve heat exchange efficiency, still be favorable to reducing the fin area in the less region of the amount of wind simultaneously, save material.
In the above technical scheme, the distance between the adjacent refrigerant pipe mounting holes is positively correlated with the aperture size of the refrigerant pipe mounting holes.
In this technical scheme, for reducing the interact between a plurality of refrigerant pipelines, need keep certain interval between the adjacent refrigerant pipeline, but the total area of fin body is limited, be positive correlation through the aperture size of spacing and refrigerant pipe mounting hole between the spacing of injecing adjacent refrigerant pipe mounting hole, with rationally arrange the refrigerant pipeline in limited space, the pipe diameter of refrigerant pipe is big more then the interval of adjacent refrigerant pipe also big more promptly, the pipe diameter of refrigerant pipe is little then the interval of adjacent refrigerant pipe also is little more, thereby improve the utilization ratio of heat exchanger fin.
The invention provides a heat exchanger in a second aspect technical scheme, which comprises a plurality of heat exchanger fins in any one of the first aspect technical scheme, wherein the plurality of heat exchanger fins are arranged side by side, and the distance between any two adjacent heat exchanger fins is not less than a preset distance; the pipe diameter size of the refrigerant pipeline is matched with the size of the refrigerant pipe mounting hole of the heat exchanger fin, and the refrigerant pipeline penetrates through the refrigerant pipe mounting hole.
According to a second aspect technical scheme of the invention, the heat exchanger comprises a plurality of heat exchanger fins and a refrigerant pipeline, wherein the heat exchanger fins are arranged side by side to form a heat exchanger fin array, the diameter size of the refrigerant pipeline is matched with the size of the refrigerant pipe mounting hole, and the refrigerant pipeline is arranged in the refrigerant pipe mounting hole of the heat exchanger fin array to exchange heat with the intake air flow, so that the air temperature is adjusted. This scheme should have the whole beneficial effect of the heat exchanger fin of any one of the above-mentioned first aspect technical scheme, and no longer give unnecessary details here.
The third aspect of the present invention provides an indoor unit, which comprises a casing, wherein the casing is provided with an air inlet and an air outlet; the fan is arranged in the shell; like the heat exchanger among the third aspect technical scheme, locate in the casing, and the heat exchanger corresponds the setting with the fan.
According to the third aspect of the present invention, the indoor unit includes a casing, a fan, and the heat exchanger of the third aspect, wherein the casing is provided with an air inlet and an air outlet, so as to form an airflow channel in the casing; a fan is arranged in the shell so as to drive air to flow from the air inlet to the air outlet by utilizing the rotation of the fan; the heat exchanger is arranged in the shell corresponding to the fan, and particularly the heat exchanger is arranged in the shell corresponding to the fan. The heat exchanger is arranged between the fan and the air outlet of the shell, so that the fan drives air to flow to the heat exchanger, and the air is discharged outwards from the air outlet of the shell after exchanging heat with the heat exchanger, and the air temperature is adjusted. The indoor unit of this scheme should have all beneficial effects of the heat exchanger in the above-mentioned second aspect technical scheme, and no longer give unnecessary details here.
In the technical scheme of the fourth aspect of the invention, an air conditioner is provided, which comprises an outdoor unit; as described above, the indoor unit according to the third aspect of the present invention is connected to the outdoor unit.
According to a fourth aspect of the present invention, an air conditioner includes an outdoor unit and the indoor unit of the third aspect, and the outdoor unit is connected to the indoor unit to implement various air condition modes through refrigerant interaction between the outdoor unit and the indoor unit. This scheme should have all the beneficial effects of the indoor set in the above-mentioned third aspect technical scheme, and no further description is given here.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a schematic structural view of a heat exchanger fin according to one embodiment of the present invention;
FIG. 2 shows a schematic view of a machining layout of a heat exchanger fin according to an embodiment of the invention;
FIG. 3 shows a schematic structural view of a heat exchanger fin according to an embodiment of the invention;
FIG. 4 shows a schematic structural view of a heat exchanger fin according to an embodiment of the invention;
fig. 5 is a schematic view illustrating an internal structure of an indoor unit according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the components in fig. 1 to 5 is as follows:
the fin body 1, 11 refrigerant pipe mounting holes, 12 air inlet contour lines, 13 air outlet contour lines, 14 apart from the maximum point, 15 technology notches, 16 equidistance regions, 2 heat exchangers, 3 fans, 4 casings, 41 air outlets, 5 waste material regions, 61 first planes, 62 second planes.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A heat exchanger fin, a heat exchanger, an indoor unit, and an air conditioner according to some embodiments of the present invention will be described below with reference to fig. 1 to 5.
Example one
The embodiment provides a heat exchanger fin, as shown in fig. 1, including an integrally formed fin body 1, fin body 1 includes an air outlet contour line 13 disposed on one side and an air inlet contour line 12 disposed on the opposite side, and fin body 1 is provided with a plurality of refrigerant pipe mounting holes 11 for mounting refrigerant pipes. Fin body 1 is sunken along the direction of air-supply side to air-out side, form the bending shape, on the straight line of curvature radius place of air-out outline line 13 of fin body 1, or on the straight line of curvature radius place of air-supply outline line 12 of fin body 1, the distance between air-supply outline line 12 of fin body 1 and the air-out outline line 13 reduces to both ends by the middle part of heat exchanger fin gradually, correspondingly, the quantity of refrigerant pipe mounting hole 11 also reduces to both ends by the middle part of heat exchanger fin gradually, air-supply outline line 12 is connected through the circular arc line with air-out outline line 13 at the both ends of heat exchanger fin. The distance between the air inlet contour line 12 and the air outlet contour line 13 of the fin body 1 has a unique maximum value H3, the distance maximum point 14 is located in the region 1/5-4/5 of the air inlet contour line 12 in the direction from the first end to the second end of the air inlet contour line 12, and the straight line where the distance maximum point 14 is located extends along the air inlet direction of the heat exchanger fin. Specifically, the distance maximum point 14 is located in the area where the air volume of the intake air flow is maximum, so that the size of the fin body 1 in the area where the air volume is small is reduced by increasing the size of the fin body 1 in the area where the air volume is large, the utilization rate of the fin body 1 is improved, and the heat exchange efficiency is improved when the refrigerant pipe is arranged on the fin body 1. It should be noted that, as shown in fig. 1, the air inlet contour line 12 and the air outlet contour line 13 of the fin body 1 are both provided with process notches 15, so that the fin body 1 can be cut in the machining process.
Example two
The embodiment provides a heat exchanger fin, as shown in fig. 1, including an integrally formed fin body 1, fin body 1 includes an air outlet contour line 13 disposed on one side and an air inlet contour line 12 disposed on the opposite side, and fin body 1 is provided with a plurality of refrigerant pipe mounting holes 11 for mounting refrigerant pipes. Fin body 1 is sunken along the direction of air-supply side to air-out side, form the bending shape, on the straight line of curvature radius place of air-out outline line 13 of fin body 1, or on the straight line of curvature radius place of air-supply outline line 12 of fin body 1, the distance between air-supply outline line 12 of fin body 1 and the air-out outline line 13 reduces to both ends by the middle part of heat exchanger fin gradually, correspondingly, the quantity of refrigerant pipe mounting hole 11 also reduces to both ends by the middle part of heat exchanger fin gradually, air-supply outline line 12 is connected through the circular arc line with air-out outline line 13 at the both ends of heat exchanger fin. The distance between the air inlet contour line 12 and the air outlet contour line 13 of the fin body 1 has a unique maximum value H3, the distance maximum point 14 is located in the region 1/5-4/5 of the air inlet contour line 12 in the direction from the first end to the second end of the air inlet contour line 12, and the straight line where the distance maximum point 14 is located extends along the air inlet direction of the heat exchanger fin. Specifically, the distance maximum point 14 is located in the area where the air volume of the intake air flow is maximum, so that the size of the fin body 1 in the area where the air volume is small is reduced by increasing the size of the fin body 1 in the area where the air volume is large, the utilization rate of the fin body 1 is improved, and the heat exchange efficiency is improved when the refrigerant pipe is arranged on the fin body 1.
As shown in fig. 2, the air inlet contour line 12 of the fin body 1 can coincide with a part of the air outlet contour line 13 after being translated, so that when the fin body 1 is machined, the waste material area between two adjacent fin bodies 1 in the whole material is reduced, and only partial waste material areas 5 exist at two ends of the fin body 1, thereby being beneficial to improving the utilization rate of the material and reducing the production cost. Wherein, all be equipped with technology breach 15 on the air inlet outline line 12 of fin body 1 and the air-out outline line 13 to fin body 1 tailors in the course of working. The process notch 15 on the air inlet contour line 12 of each fin body 1 corresponds to the process notch 15 on the air outlet contour line 13 of the adjacent fin body 1, so that the fin body is convenient to cut and process.
In the production process of the heat exchanger fin, the waste rate can be controlled within 6%, and is even lower than that of the conventional special-shaped cut rectangular fin.
EXAMPLE III
The embodiment provides a heat exchanger fin, as shown in fig. 1, including an integrally formed fin body 1, fin body 1 includes an air outlet contour line 13 disposed on one side and an air inlet contour line 12 disposed on the opposite side, and fin body 1 is provided with a plurality of refrigerant pipe mounting holes 11 for mounting refrigerant pipes. Fin body 1 is sunken along the direction of air-supply side to air-out side, form the bending shape, on the straight line of curvature radius place of air-out outline line 13 of fin body 1, or on the straight line of curvature radius place of air-supply outline line 12 of fin body 1, the distance between air-supply outline line 12 of fin body 1 and the air-out outline line 13 reduces to both ends by the middle part of heat exchanger fin gradually, correspondingly, the quantity of refrigerant pipe mounting hole 11 also reduces to both ends by the middle part of heat exchanger fin gradually, air-supply outline line 12 is connected through the circular arc line with air-out outline line 13 at the both ends of heat exchanger fin. The distance between the air inlet contour line 12 and the air outlet contour line 13 of the fin body 1 has a unique maximum value H3, the distance maximum point 14 is located in the region 1/5-4/5 of the air inlet contour line 12 in the direction from the first end to the second end of the air inlet contour line 12, and the straight line where the distance maximum point 14 is located extends along the air inlet direction of the heat exchanger fin. Specifically, the distance maximum point 14 is located in the area where the air volume of the intake air flow is maximum, so that the size of the fin body 1 in the area where the air volume is small is reduced by increasing the size of the fin body 1 in the area where the air volume is large, the utilization rate of the fin body 1 is improved, and the heat exchange efficiency is improved when the refrigerant pipe is arranged on the fin body 1. As shown in fig. 2, the air inlet contour line 12 and the air outlet contour line 13 of the fin body 1 are both provided with process notches 15 for facilitating cutting. The air inlet contour line 12 of the fin body 1 can be completely coincided with the partial air outlet contour line 13 after being translated, so that the waste material area between two adjacent fin bodies 1 in the whole material is reduced when the fin body 1 is processed, and partial waste material areas 5 are only arranged at two ends of the fin body 1.
As shown in fig. 1, the lengths of the intake contour lines 12 on the fin body 1 on both sides of the straight line corresponding to the maximum distance are not equal, and the length of the portion of the intake contour lines 12 above the straight line corresponding to the maximum distance is longer than the length of the portion of the intake contour lines 12 below the straight line corresponding to the maximum distance. Accordingly, the length of the portion of the air outlet contour line 13 of the fin body 1 above the straight line corresponding to the maximum distance is greater than the length of the portion of the air outlet contour line 13 below the straight line corresponding to the maximum distance. Further, the air inlet contour line 12 of the fin body 1 includes five arc line segments connected in sequence, and the curvatures of the adjacent arc line segments gradually decrease from the middle to the two ends of the heat exchanger fin, correspondingly, the air outlet contour line 13 also includes five arc line segments connected in sequence, and the curvature of each arc line segment is the same as that of the corresponding arc line segment on the air inlet side, so that the fin body 1 can be divided into five regions with different curvatures from top to bottom, on a straight line where the curvature radius of the air outlet contour line 13 of the fin body 1 is located, H1, H2, H3, H4 and H5 are distances from the air inlet contour line 12 to the air outlet contour line 13 in the five regions, wherein H3 is the maximum distance, H1< H2< H3, and H5< H4< H3.
Furthermore, the plane of the air inlet direction of the fin body 1 is a first plane 61, i.e. the horizontal plane shown in fig. 1 is the first plane 61, and the plane perpendicular to the first plane 61 is a second plane 62, i.e. the vertical plane shown in fig. 1 is the second plane 62. The projection of the fin body 1 on the second plane 62 has a size of L1, the projection of the portion of the fin body 1 located above the straight line corresponding to the distance maximum on the first plane 61 has a size of L2, the projection on the second plane 62 has a size of L5, the projection of the portion of the fin body 1 located below the straight line corresponding to the distance maximum on the first plane 61 has a size of L3, and the projection on the second plane 62 has a size of L4, where L3< L2< L1, and L4< L5.
It should be noted that, in the heat exchanger fin in the present embodiment, the relevant dimension condition may also be L2 ≦ L3 and/or L5 ≦ L4. Further, the fin body 1 may be configured to be symmetrical with respect to a straight line corresponding to the maximum distance.
The distance between the air inlet contour line and the air outlet contour line of the fin body has a maximum value on the straight line of the curvature radius of the air outlet contour line of the fin body or the straight line of the curvature radius of the air inlet contour line of the fin body, and the straight line of the maximum value of the distance is the straight line corresponding to the maximum value of the distance.
Example four
The embodiment provides a heat exchanger fin, as shown in fig. 3, including an integrally formed fin body 1, fin body 1 includes an air outlet contour line 13 disposed on one side and an air inlet contour line 12 disposed on the opposite side, and fin body 1 is provided with a plurality of refrigerant pipe mounting holes 11 for mounting refrigerant pipes. Fin body 1 is sunken along the direction of air-supply side to air-out side, form the bending shape, on the straight line of curvature radius place of air-out outline line 13 of fin body 1, or on the straight line of curvature radius place of air-supply outline line 12 of fin body 1, the distance between air-supply outline line 12 of fin body 1 and the air-out outline line 13 reduces to both ends by the middle part of heat exchanger fin gradually, correspondingly, the quantity of refrigerant pipe mounting hole 11 also reduces to both ends by the middle part of heat exchanger fin gradually, air-supply outline line 12 is connected through the circular arc line with air-out outline line 13 at the both ends of heat exchanger fin. Wherein, the middle part of heat exchanger fin is formed with equidistance region 16, and in equidistance region 16, on the straight line of the curvature radius place of the air-out contour line 13 of fin body 1, the distance between air inlet contour line 12 and the air-out contour line 13 is equal, and there are a plurality of maximums H3 in the distance between air inlet contour line 12 and the air-out contour line 13 promptly, and in the direction along the first end of air inlet contour line 12 to the second end, all apart from maximum point 14 all to be located 1/5 of air inlet contour line 12 to 4/5 in the region. Specifically, the air inlet contour line 12 and the air outlet contour line 13 in the equidistant region 16 are both arcs, and the arcs are recessed from the air inlet side to the air outlet side. The equidistant area 16 is located the biggest area of the amount of wind of air inlet flow to through the size of increase fin body 1 in the big area of the amount of wind, reduce the size of fin body 1 in the little area of the amount of wind, improve fin body 1's utilization ratio, when being equipped with the refrigerant pipe on fin body 1, improve heat exchange efficiency. It should be noted that, as shown in fig. 3, the air inlet contour line 12 and the air outlet contour line 13 of the fin body 1 are both provided with process notches 15, so that the fin body 1 can be cut in the machining process.
EXAMPLE five
The embodiment provides a heat exchanger fin, as shown in fig. 4, including an integrally formed fin body 1, fin body 1 includes an air outlet contour line 13 disposed on one side and an air inlet contour line 12 disposed on the opposite side, and fin body 1 is provided with a plurality of refrigerant pipe mounting holes 11 for mounting refrigerant pipes. Fin body 1 is sunken along the direction of air-supply side to air-out side, form the bending shape, on the straight line of curvature radius place of air-out outline line 13 of fin body 1, or on the straight line of curvature radius place of air-supply outline line 12 of fin body 1, the distance between air-supply outline line 12 of fin body 1 and the air-out outline line 13 reduces to both ends by the middle part of heat exchanger fin gradually, correspondingly, the quantity of refrigerant pipe mounting hole 11 also reduces to both ends by the middle part of heat exchanger fin gradually, air-supply outline line 12 is connected through the circular arc line with air-out outline line 13 at the both ends of heat exchanger fin. Wherein, the middle part of heat exchanger fin is formed with equidistance region 16, and in equidistance region 16, on the straight line of the curvature radius place of the air-out contour line 13 of fin body 1, the distance between air inlet contour line 12 and the air-out contour line 13 is equal, and there are a plurality of maximums H3 in the distance between air inlet contour line 12 and the air-out contour line 13 promptly, and in the direction along the first end of air inlet contour line 12 to the second end, all apart from maximum point 14 all to be located 1/5 of air inlet contour line 12 to 4/5 in the region. Specifically, the air inlet contour line 12 and the air outlet contour line 13 in the equidistant area 16 are both straight lines, and the straight lines are perpendicular to the air inlet direction. The equidistant area 16 is located the biggest area of the amount of wind of air inlet flow to through the size of increase fin body 1 in the big area of the amount of wind, reduce the size of fin body 1 in the little area of the amount of wind, improve fin body 1's utilization ratio, when being equipped with the refrigerant pipe on fin body 1, improve heat exchange efficiency. It should be noted that, as shown in fig. 4, the air inlet contour line 12 and the air outlet contour line 13 of the fin body 1 are both provided with process notches 15, so that the fin body 1 can be cut in the machining process.
EXAMPLE six
The embodiment provides a heat exchanger fin, as shown in fig. 1, including an integrally formed fin body 1, fin body 1 includes an air outlet contour line 13 disposed on one side and an air inlet contour line 12 disposed on the opposite side, and fin body 1 is provided with a plurality of refrigerant pipe mounting holes 11 for mounting refrigerant pipes. Fin body 1 is sunken along the direction of air-supply side to air-out side, form the bending shape, on the straight line of curvature radius place of air-out outline line 13 of fin body 1, or on the straight line of curvature radius place of air-supply outline line 12 of fin body 1, and the distance between air-supply outline line 12 of fin body 1 and the air-out outline line 13 reduces to both ends by the middle part of heat exchanger fin gradually, correspondingly, the quantity of refrigerant pipe mounting hole 11 also reduces to both ends by the middle part of heat exchanger fin gradually, air-supply outline line 12 is connected through the circular arc line with air-out outline line 13 at the both ends of heat exchanger fin. The distance between the air inlet contour line 12 and the air outlet contour line 13 of the fin body 1 has a unique maximum value H3, the distance maximum point 14 is located in the region 1/5-4/5 of the air inlet contour line 12 in the direction from the first end to the second end of the air inlet contour line 12, and the straight line where the distance maximum point 14 is located extends along the air inlet direction of the heat exchanger fin. Specifically, the distance maximum point 14 is located in the area where the air volume of the intake air flow is maximum, so that the size of the fin body 1 in the area where the air volume is small is reduced by increasing the size of the fin body 1 in the area where the air volume is large, the utilization rate of the fin body 1 is improved, and the heat exchange efficiency is improved when the refrigerant pipe is arranged on the fin body 1. The distance between the adjacent refrigerant pipe mounting holes 11 is positively correlated with the aperture size of the refrigerant pipe mounting holes 11, and the larger the aperture of the refrigerant pipe mounting holes 11 is, the larger the distance between the adjacent refrigerant pipe mounting holes 11 is.
As shown in fig. 2, the air inlet contour line 12 of the fin body 1 can completely coincide with the partial air outlet contour line 13 after being translated, so that when the fin body 1 is machined, the waste area between two adjacent fin bodies 1 in the whole material is reduced, and only partial waste areas 5 exist at two ends of the fin body 1. The air inlet contour line 12 and the air outlet contour line 13 of each fin body 1 are both provided with a process notch 15, and the process notch 15 on the air inlet contour line 12 of each fin body 1 corresponds to the process notch 15 on the air outlet contour line 13 of the adjacent fin body 1, so that the fin bodies can be cut and processed conveniently.
As shown in fig. 1, the lengths of the intake contour lines 12 on the fin body 1 on both sides of the straight line corresponding to the maximum distance are not equal, and the length of the portion of the intake contour lines 12 above the straight line corresponding to the maximum distance is longer than the length of the portion of the intake contour lines 12 below the straight line corresponding to the maximum distance. Accordingly, the length of the portion of the air outlet contour line 13 of the fin body 1 above the straight line corresponding to the maximum distance is greater than the length of the portion of the air outlet contour line 13 below the straight line corresponding to the maximum distance. Specifically, the air inlet contour line 12 of the fin body 1 includes five arc line segments connected in sequence, and the curvatures of the adjacent arc line segments gradually decrease from the middle to the two ends of the heat exchanger fin, and correspondingly, the air outlet contour line 13 also includes five arc line segments connected in sequence, and the curvature of each arc line segment is the same as that of the corresponding arc line segment on the air inlet side, so that the fin body 1 can be divided into five regions with different curvatures from top to bottom, on a straight line where the curvature radius of the air outlet contour line 13 of the fin body 1 is located, H1, H2, H3, H4, and H5 are distances from the air inlet contour line 12 to the air outlet contour line 13 in the five regions, wherein H3 is the maximum distance, H1< H2< H3, and H5< H4< H3. In addition, the plane of the fin body 1 in the air intake direction is a first plane 61, i.e., the horizontal plane shown in fig. 1 is the first plane 61, and the plane perpendicular to the first plane 61 is a second plane 62, i.e., the vertical plane shown in fig. 1 is the second plane 62. The projection of the fin body 1 on the second plane 62 has a size of L1, the projection of the portion of the fin body 1 located above the straight line corresponding to the distance maximum on the first plane 61 has a size of L2, the projection on the second plane 62 has a size of L5, the projection of the portion of the fin body 1 located below the straight line corresponding to the distance maximum on the first plane 61 has a size of L3, and the projection on the second plane 62 has a size of L4, where L3< L2< L1, and L4< L5.
It should be noted that, in the heat exchanger fin in the present embodiment, the relevant dimension condition may also be L2 ≦ L3 and/or L5 ≦ L4. Further, the fin body 1 may be configured to be symmetrical with respect to a straight line corresponding to the maximum distance.
The distance between the air inlet contour line and the air outlet contour line of the fin body has a maximum value on the straight line of the curvature radius of the air outlet contour line of the fin body or the straight line of the curvature radius of the air inlet contour line of the fin body, and the straight line of the maximum value of the distance is the straight line corresponding to the maximum value of the distance.
EXAMPLE seven
The embodiment provides a heat exchanger, including a plurality of heat exchanger fins and refrigerant pipeline as in any one of embodiment one to embodiment six, a plurality of heat exchanger fins set up side by side and form heat exchanger fin array, and the distance between two arbitrary adjacent heat exchanger fins is not less than preset interval to guarantee the normal circulation of air inlet flow. The pipe diameter size of refrigerant pipeline and the aperture size looks adaptation of the refrigerant pipe mounting hole 11 of heat exchanger fin, refrigerant pipeline set up in the refrigerant pipe mounting hole 11 that corresponds to carry out the heat transfer to the air when air inlet flow heat exchanger contacts, realize the heat transfer function of heat exchanger. The heat exchanger in this embodiment has all the advantages of the heat exchanger fin in any one of the first to sixth embodiments, and details are not described herein.
Example eight
The present embodiment provides an indoor unit, as shown in fig. 5, including a casing 4, a fan 3, and the heat exchanger 2 in the seventh embodiment. An air inlet (not shown in the figure) and an air outlet 41 are arranged on the shell 4, the fan 3 and the heat exchanger 2 are positioned in the shell 4, and air is driven by the fan 3 to flow from the air inlet to the air outlet 41; the heat exchanger 2 is arranged between the air outlet 41 of the fan 3 and the shell 4, the heat exchanger 2 is arranged corresponding to the air outlet side of the fan 3 to exchange heat of air flow sent out by the fan 3, and the air flow after heat exchange is discharged from the air outlet 41 of the shell 4 to adjust the air temperature. The indoor unit in this embodiment has all the beneficial effects of the heat exchanger 2 in the seventh embodiment, and details are not described herein.
Example nine
The embodiment provides an air conditioner, which comprises an outdoor unit and the indoor unit in the eighth embodiment, wherein the outdoor unit is connected with the indoor unit, so that the indoor unit can exchange heat with air through the flowing of a refrigerant between the outdoor unit and the indoor unit, and the function of adjusting the air temperature is realized. The air conditioner in this embodiment has all the beneficial effects of the indoor unit in the eighth embodiment, and details are not described herein.
The technical scheme of the invention is explained in detail in the above with the help of the attached drawings, the utilization rate of the heat exchanger fins can be improved, the heat exchange efficiency can be improved, the energy consumption can be saved, the material waste can be reduced, and the production cost can be reduced.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (17)
1. A heat exchanger fin, comprising:
the fin body comprises an air outlet contour line arranged on one side and an air inlet contour line arranged on the other side, a plurality of refrigerant pipe mounting holes are arranged on the fin body,
the fin body is of an integrated structure, the curvature radius of the air outlet contour line of the fin body is on the straight line, or the curvature radius of the air inlet contour line of the fin body is on the straight line, and the distance between the air inlet contour line and the air outlet contour line of the fin body is gradually reduced from the middle of the heat exchanger fin to two ends.
2. The heat exchanger fin according to claim 1,
the fin body is along by the air inlet side of fin body is sunken to the direction of air-out side, and at least part the air-out contour line can with after the translation the coincidence of air-inlet contour line.
3. The heat exchanger fin as recited in claim 2, wherein a first end and a second end of said inlet air contour line are connected to said outlet air contour line, respectively,
the air inlet contour line and the maximum value of the distance between the air outlet contour lines are located in 1/5-4/5 areas on the air inlet contour line along the direction of the first end to the second end.
4. The heat exchanger fin according to claim 3,
and a straight line corresponding to the maximum distance extends along the air inlet direction of the heat exchanger fin.
5. The heat exchanger fin according to claim 4,
the fin body is in a symmetrical structure with a straight line corresponding to the maximum distance.
6. The heat exchanger fin according to claim 4,
the length of the air inlet contour line on one side of the straight line corresponding to the maximum distance is greater than that on the other side.
7. The heat exchanger fin according to claim 6,
the air outlet contour line comprises five arc line sections which are connected in sequence, and the curvatures of the adjacent arc line sections are gradually reduced from the middle to the two ends of the heat exchanger fin.
8. The heat exchanger fin according to claim 4,
the plane where the air inlet direction of the fin body is located is a first plane, and the plane perpendicular to the first plane is a second plane;
the size of the projection of the fin body on the second plane is larger than that of the projection of the fin body on the first plane.
9. The heat exchanger fin according to claim 8,
on the second plane, the projection size of the fin body on one side of the straight line corresponding to the maximum value of the distance is larger than the projection size of the fin body on the other side of the straight line corresponding to the maximum value of the distance.
10. The heat exchanger fin according to claim 8,
on the first plane, the projection size of the fin body on one side of the straight line corresponding to the maximum value of the distance is larger than the projection size of the fin body on the other side of the straight line corresponding to the maximum value of the distance.
11. The heat exchanger fin according to claim 1,
the middle part of heat exchanger fin is formed with the equidistance region in the equidistance region, the air inlet contour line with distance between the air-out contour line equals.
12. The heat exchanger fin according to claim 11,
the air inlet contour line and the air outlet contour line in the equidistant area are arc lines, straight lines, combinations of the straight lines and the arc lines, combinations of the straight lines and the straight lines or combinations of the arc lines and the arc lines.
13. The heat exchanger fin according to claim 1,
the number of the refrigerant pipe mounting holes is gradually reduced from the middle part to the two ends of the heat exchanger fin.
14. The heat exchanger fin according to claim 13,
the distance between the adjacent refrigerant pipe mounting holes is positively correlated with the aperture size of the refrigerant pipe mounting holes.
15. A heat exchanger, comprising:
a plurality of heat exchanger fins as recited in any one of claims 1 to 14, the plurality of heat exchanger fins being arranged side by side, and the distance between any adjacent two of the heat exchanger fins being not less than a preset pitch;
the pipe diameter size of the refrigerant pipeline is matched with the size of the refrigerant pipe mounting hole of the heat exchanger fin, and the refrigerant pipeline penetrates through the refrigerant pipe mounting hole.
16. An indoor unit, comprising:
the air conditioner comprises a shell, wherein an air inlet and an air outlet are formed in the shell;
the fan is arranged in the shell;
the heat exchanger of claim 15, disposed within the housing, the heat exchanger being disposed in correspondence with the fan.
17. An air conditioner, comprising:
an outdoor unit;
the indoor unit of claim 16, connected to the outdoor unit.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911014034.5A CN110701942B (en) | 2019-10-23 | 2019-10-23 | Heat exchanger fin, heat exchanger, indoor unit and air conditioner |
| US17/764,972 US20220404039A1 (en) | 2019-10-23 | 2020-03-02 | Heat exchanger fin, heat exchanger, indoor unit and air conditioner |
| PCT/CN2020/077477 WO2021077649A1 (en) | 2019-10-23 | 2020-03-02 | Heat exchanger fin, heat exchanger, indoor unit and air conditioner |
| EP20880266.0A EP4030132A4 (en) | 2019-10-23 | 2020-03-02 | Heat exchanger fin, heat exchanger, indoor unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911014034.5A CN110701942B (en) | 2019-10-23 | 2019-10-23 | Heat exchanger fin, heat exchanger, indoor unit and air conditioner |
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| Publication Number | Publication Date |
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| CN110701942A true CN110701942A (en) | 2020-01-17 |
| CN110701942B CN110701942B (en) | 2021-10-08 |
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| CN201911014034.5A Active CN110701942B (en) | 2019-10-23 | 2019-10-23 | Heat exchanger fin, heat exchanger, indoor unit and air conditioner |
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| CN (1) | CN110701942B (en) |
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| CN112240610A (en) * | 2020-06-01 | 2021-01-19 | 广东美的暖通设备有限公司 | Air duct type air conditioner |
| WO2021077649A1 (en) * | 2019-10-23 | 2021-04-29 | 广东美的暖通设备有限公司 | Heat exchanger fin, heat exchanger, indoor unit and air conditioner |
| CN113758359A (en) * | 2020-06-01 | 2021-12-07 | 广东美的暖通设备有限公司 | Heat exchange fin, heat exchanger and air conditioning device |
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| CN113757809A (en) * | 2020-06-01 | 2021-12-07 | 广东美的暖通设备有限公司 | Air duct type air conditioner |
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| US12013135B2 (en) | 2020-08-06 | 2024-06-18 | Rheem Manufacturing Company | Systems and methods of detecting an obstructed furnace air filter using a flame sensor |
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