WO2022068949A1 - Heat exchanger fin and heat exchanger - Google Patents
Heat exchanger fin and heat exchanger Download PDFInfo
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- WO2022068949A1 WO2022068949A1 PCT/CN2021/124713 CN2021124713W WO2022068949A1 WO 2022068949 A1 WO2022068949 A1 WO 2022068949A1 CN 2021124713 W CN2021124713 W CN 2021124713W WO 2022068949 A1 WO2022068949 A1 WO 2022068949A1
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- heat exchanger
- exchanger fin
- air
- structures
- plate
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- 241001646071 Prioneris Species 0.000 claims description 47
- 230000000694 effects Effects 0.000 abstract description 17
- 238000009833 condensation Methods 0.000 abstract description 16
- 230000005494 condensation Effects 0.000 abstract description 15
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 4
- 125000006850 spacer group Chemical group 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 2
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Classifications
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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
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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
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/18—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing
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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
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
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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
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
Definitions
- the invention belongs to the technical field of air treatment equipment, and specifically provides a heat exchanger fin and a heat exchanger.
- the air flow is inhaled from the air inlet, passes through the internal air duct of the heat exchanger, and finally blows out from the air outlet.
- the resistance of the air flow is relatively large, and a large part of the air volume is lost in the flow process inside the heat exchanger because of the resistance.
- the present invention provides a heat exchanger fin and a heat exchanger, wherein the heat exchanger fin includes a heat exchanger fin body, and the heat exchanger fin body There are raised structures arranged in parallel on the surface.
- the protruding structure is a plate-shaped sawtooth protruding structure.
- the plate-shaped sawtooth raised structures are distributed in a continuous row of equal heights.
- the raised structures are staggeredly distributed plate-shaped sawtooth raised structures.
- the staggeredly distributed plate-shaped sawtooth raised structures are distributed in a continuous row of equal heights.
- the protruding structures are triangular serrated protruding structures, and the triangular serrated protruding structures are distributed in a continuous row of equal heights.
- the cross-sectional shape of the interval of the plate-shaped sawtooth convex structure is circular arc, rectangle or trapezoid.
- the cross-sectional shape of the plate-shaped sawtooth convex structure is a rectangle or a trapezoid.
- the interval between the parallelly arranged convex structures is between 20-500 ⁇ m.
- the present invention also provides a heat exchanger, which includes the heat exchanger fins described in any one of the above technical solutions.
- the heat exchanger fin includes a heat exchanger fin body, and the surface of the heat exchanger fin body is provided with convex structures arranged in parallel.
- the heat exchanger fins and the heat exchanger of the present invention can be reduced from the perspective of fluid mechanics by setting the convex structures arranged in parallel on the heat exchanger fin body, compared with the conventional scattered distribution.
- the raised structures arranged in parallel on the sheet body can also increase the heat exchange area, so as to improve the heat exchange effect of the heat exchanger. Therefore, by arranging the convex structures arranged in parallel on the fin body of the heat exchanger, it is possible to simultaneously prevent condensation and frost formation, reduce air resistance and increase the heat exchange area.
- Fig. 1 is a schematic diagram of the structure of a heat exchanger fin
- FIG. 2 is a schematic structural diagram of a heat exchanger fin with a plate-shaped sawtooth raised structure
- FIG. 3 is a front view of a heat exchanger fin with a triangular sawtooth raised structure
- FIG. 4 is a top view of a heat exchanger fin with a staggeredly distributed plate-shaped sawtooth raised structure
- FIG. 5 is a front view of a heat exchanger fin having a staggeredly distributed plate-shaped sawtooth protrusion structure.
- the terms “installed”, “connected” and “connected” should be understood in a broad sense, for example, it may be a fixed connection or a It is a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication between two components.
- installed should be understood in a broad sense, for example, it may be a fixed connection or a It is a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication between two components.
- FIG. 1 is a schematic structural diagram of a heat exchanger fin.
- the heat exchanger fin of the present invention includes a heat exchanger fin body 1, and the surface of the heat exchanger fin body 1 is provided with convex structures 11 arranged in parallel.
- the advantage of the above arrangement is that: by arranging the raised structures 11 arranged in parallel on the fin body 1 of the heat exchanger, compared with the conventional scattered distribution, the flow of fresh air in the internal air passage of the heat exchanger can be reduced from the perspective of fluid mechanics.
- the raised structure 11 can also increase the heat exchange area to improve the heat exchange effect of the heat exchanger. Therefore, by disposing the convex structures 11 arranged in parallel on the heat exchanger fin body 1, it is possible to simultaneously prevent condensation and frost formation, reduce air resistance and increase the heat exchange area.
- the raised structures 11 on the surface of the heat exchanger fin body 1 are plate-shaped sawtooth raised structures 12 , and the plate-shaped sawtooth raised structures 12 are in continuous rows of equal heights distribution.
- the advantage of the above arrangement is that: by arranging the plate-shaped sawtooth raised structure 12 on the fin body 1 of the heat exchanger, the air resistance of the fresh air when flowing in the air duct inside the heat exchanger is reduced, and the fins of the heat exchanger are at the same time.
- the plate-shaped sawtooth protrusions 12 on the surface of the fin body 1 also have the effect of preventing condensation and frost formation.
- the plate-shaped sawtooth protrusions 12 are arranged on the surface of the heat exchanger fin body 1 to increase the contact between the air flow and the surface of the heat exchanger. area, thereby increasing the heat exchange area of the heat exchanger and improving the heat exchange effect of the heat exchanger.
- the present embodiment takes the arrangement of plate-shaped sawtooth raised structures 12 on the surface of the heat exchanger fin body 1 as an example to describe the raised structures 11 on the surface of the heat exchanger fin body 1, this
- the type of the protruding structures 11 on the surface of the heat exchanger fin body 1 of the embodiment is not limited to this, as long as the protruding structures 11 can meet the requirements of reducing the air resistance of the fresh air flowing in the air ducts inside the heat exchanger and preventing condensation.
- the effects of frosting and increasing the heat exchange area of the heat exchanger are sufficient.
- the protruding structures 11 on the surface body 1 of the heat exchanger fins can be triangular serrated protruding structures 13; for another example, the protruding structures 11 on the surface of the heat exchanger fin body 1 can also be staggered plate-shaped serrated structures 14.
- the protruding structures 11 on the surface of the heat exchanger fin body 1 are triangular serrated protruding structures 13 , and the triangular serrated protruding structures 13 are distributed in a continuous row of equal heights .
- the advantage of the above arrangement is that: by arranging the triangular sawtooth raised structures 13 on the heat exchanger fin body 1, the types of raised structures 11 that can be arranged on the surface of the heat exchanger fin body 1 are increased.
- the surface of the heat exchanger fin body 1 is provided with raised structures 11 with different cross-sectional shapes. According to the heat exchange requirements of different heat exchangers and the shape of the heat exchanger fin body 1, suitable
- the raised structure 11 is used to improve the scheme of reducing the air resistance of the fresh air flowing in the air duct inside the heat exchanger, preventing condensation and frost, and increasing the heat exchange area by setting the raised structure 11 on the surface of the heat exchanger fin body 1 general adaptability.
- the raised structures 11 on the surface of the heat exchanger fin body 1 are staggeredly distributed plate-shaped sawtooth raised structures 14 , and the staggeredly distributed plate-shaped sawtooth raised structures 14
- the starting structures 14 are distributed in a continuous row of equal heights.
- the advantage of the above arrangement is that: by arranging the plate-shaped sawtooth raised structures 14 distributed in a staggered manner on the surface of the heat exchanger fin body 1, on the one hand, the raised structures that can be arranged on the surface of the heat exchanger fin body 1 are increased.
- the surface of the fin body 1 is provided with a raised structure 11 to reduce the air resistance of the fresh air flowing in the air duct inside the heat exchanger, prevent condensation and frost, and increase the heat exchange area. Distributing the plate-shaped sawtooth structures 14 staggeredly distributed on the surface of the fin body 1 can further increase the heat exchange area, thereby further improving the heat exchange effect of the heat exchanger.
- the cross-sectional shape of the plate-shaped sawtooth protruding structure 12 is a rectangle.
- the cross-sectional shape of the plate-shaped sawtooth raised structure 12 is taken as an example to describe the cross-sectional shape of the plate-shaped sawtooth raised structure 12 in this embodiment, the plate-shaped sawtooth raised
- the cross-sectional shape of the structure 12 is not limited to this, as long as the cross-sectional shape can meet the structural requirements of the plate-shaped sawtooth raised structure 12, has the effect of increasing the heat exchange area, and is suitable for setting the air passages inside the heat exchanger. .
- the cross-sectional shape of the plate-shaped sawtooth protruding structure 12 can also be a trapezoid.
- the advantage of the above arrangement is that: by arranging the plate-shaped sawtooth raised structures 12 with different cross-sections, the heat exchange requirements of different heat exchangers and the shapes of the fin bodies 1 of the heat exchangers can Appropriate raised structures 11 are arranged on the surface to reduce the air resistance of the fresh air flowing in the air ducts inside the heat exchanger by setting the raised structures 11 on the surface of the heat exchanger fin body 1, prevent condensation and frost, and increase the exchange rate. Universal adaptability of thermal area schemes.
- the cross-sectional shape of the interval 121 of the plate-shaped sawtooth protruding structure is a circular arc.
- the advantage of the above arrangement is that: by setting the cross section of the interval 121 of the plate-shaped sawtooth raised structure to a circular arc, the air flow can increase the distance between the air flow and the surface of the heat exchanger fin body 1 during the flow of the air flow in the heat exchanger. Contact area to improve the heat exchange effect of the heat exchanger.
- the cross-section of the spacer 121 of the plate-shaped sawtooth raised structure is taken as an example to describe the cross-sectional shape of the spacer 121 of the plate-shaped sawtooth raised structure
- the The cross-sectional shape of the spacers 121 of the plate-shaped sawtooth protruding structure is not limited to this, as long as the cross-sectional shape has the effect of increasing the heat exchange area and can be suitable for setting the air passages in the heat exchanger.
- the cross-sectional shape of the spacer 121 of the plate-type sawtooth protruding structure may be a rectangle or a trapezoid.
- the interval 111 of the convex structures arranged in parallel is between 20-500 ⁇ m.
- these structures mentioned in the present invention are not conventional macroscopic structure layouts, but are all microscopic adjustments made on the board surface, which are difficult to distinguish with the naked eye, but can be clearly seen under the equipment that can magnify the field of view, so that both It realizes fine-tuning of wind resistance, anti-condensation, and the effect of increasing heat exchange area at the same time.
- the convex structures 11 arranged in parallel on the fin body 1 of the heat exchanger compared with the conventional scattered distribution, the flow process of the fresh air in the air duct inside the heat exchanger can be reduced from the perspective of fluid mechanics
- the convex structures 11 arranged in parallel on the heat exchanger fin body 1 also have the effect of preventing condensation and frost formation;
- the lifting structure 11 can also increase the heat exchange area, so as to improve the heat exchange effect of the heat exchanger. Therefore, by disposing the convex structures 11 arranged in parallel on the heat exchanger fin body 1, it is possible to simultaneously prevent condensation and frost formation, reduce air resistance and increase the heat exchange area.
- the raised structures 11 are arranged with different cross-sectional shapes and different structures on the surface of the heat exchanger fin body 1, on the one hand, the types of raised structures 11 that can be arranged on the surface of the heat exchanger fin body 1 are increased.
- suitable protruding structures 11 are arranged on the surface of the heat exchanger fin bodies 1 to improve the passage of heat on the surface of the heat exchanger fin bodies 1.
- the protruding structure 11 is provided to reduce the air resistance of the fresh air flowing in the air duct inside the heat exchanger, prevent condensation and frost, and increase the heat exchange area.
- the air flow can be further increased during the flow of the air flow in the heat exchanger and the surface of the heat exchanger fin body 1. Contact area to improve the heat exchange effect of the heat exchanger.
- the present invention also provides a heat exchanger having the heat exchanger fins described in any of the above embodiments.
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
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Abstract
The present invention belongs to the technical field of air treatment apparatuses, and in particular provides a heat exchanger fin and a heat exchanger. The present invention aims to solve the problems that the energy consumption is increased to a certain extent, the machine noise is increased, and the user experience is also reduced, which are caused by increasing the rotation speed of an electric motor in order to increase the air intake volume in the heat exchanger and thus increase the air output volume of the heat exchanger. With regards to this aim, the heat exchanger fin of the present invention comprises a heat exchanger fin body, the surface of which is provided with raised structures arranged in parallel. Compared with the conventional scattered distribution, the raised structures are arranged in parallel on the heat exchanger fin body, the air resistance borne by the fresh air in the flow process in an air channel in a heat exchanger can be reduced in terms of fluid mechanics, and at the same time, the function of preventing dew condensation and frost formation can be realized; in addition, the raised structures arranged in parallel on the heat exchanger fin body can further expand the heat exchange area, so as to improve the heat exchange effect of the heat exchanger.
Description
本发明属于空气处理设备技术领域，具体提供一种换热器翅片及换热器。The invention belongs to the technical field of air treatment equipment, and specifically provides a heat exchanger fin and a heat exchanger.
在换热器中，风流从进风口吸入，经换热器内部风道，最终从出风口吹出。空气流动的阻力较大，很大一部分风量因为阻力损失在换热器内部的流动过程中。In the heat exchanger, the air flow is inhaled from the air inlet, passes through the internal air duct of the heat exchanger, and finally blows out from the air outlet. The resistance of the air flow is relatively large, and a large part of the air volume is lost in the flow process inside the heat exchanger because of the resistance.
现有的换热器，为了防止凝露结霜，在换热器翅片内表面做不平整处理，这种方式在某种程度上也会增加空气流动的阻力，降低风量。由此，为了提高换热器的出风量，通常需要提高电机转速，以增加换热器中的进风量。In the existing heat exchanger, in order to prevent condensation and frost, the inner surface of the heat exchanger fins is unevenly treated, which will also increase the resistance of the air flow and reduce the air volume to a certain extent. Therefore, in order to increase the air outlet volume of the heat exchanger, it is usually necessary to increase the motor speed to increase the air intake volume in the heat exchanger.
但是，通过提高电机转速的方式，以增加换热器中进风量，从而实现提高换热器的出风量，在一定程度上增加了能耗、加大的机器噪音，同时降低了用户体验。However, by increasing the motor speed to increase the air intake in the heat exchanger, thereby increasing the air output of the heat exchanger, to a certain extent, the energy consumption and machine noise are increased, and the user experience is reduced at the same time.
相应地，本领域需要一种能够同时兼顾防止凝露结霜、降低空气阻力以及增加热交换面积的新的换热器翅片及换热器来解决上述问题。Accordingly, there is a need in the art for a new heat exchanger fin and heat exchanger that can simultaneously prevent condensation and frost, reduce air resistance and increase heat exchange area to solve the above problems.
发明内容SUMMARY OF THE INVENTION
为了解决现有技术中的上述问题，即为了解决通过提高电机转速的方式，以增加换热器中进风量，从而实现提高换热器的出风量，在一定程度上增加了能耗、加大的机器噪音，同时降低用户体验的问题，本发明提供了一种换热器翅片及换热器，所述换热器翅片包括换热器翅片本体，所述换热器翅片本体的表面上设置有并行排列的凸起结构。In order to solve the above-mentioned problems in the prior art, that is, in order to solve the problem of increasing the amount of air in the heat exchanger by increasing the rotational speed of the motor, thereby increasing the amount of air out of the heat exchanger, the energy consumption is increased to a certain extent, and the Therefore, the present invention provides a heat exchanger fin and a heat exchanger, wherein the heat exchanger fin includes a heat exchanger fin body, and the heat exchanger fin body There are raised structures arranged in parallel on the surface.
在上述换热器翅片的优选技术方案中，所述凸起结构为板型锯齿凸起结构。In the preferred technical solution of the above-mentioned heat exchanger fins, the protruding structure is a plate-shaped sawtooth protruding structure.
在上述换热器翅片的优选技术方案中，所述板型锯齿凸起结构呈等高连续列状分布。In the preferred technical solution of the above-mentioned heat exchanger fins, the plate-shaped sawtooth raised structures are distributed in a continuous row of equal heights.
在上述换热器翅片的优选技术方案中，所述凸起结构为错落分布的板型锯齿凸起结构。In the preferred technical solution of the above-mentioned heat exchanger fins, the raised structures are staggeredly distributed plate-shaped sawtooth raised structures.
在上述换热器翅片的优选技术方案中，所述错落分布的板型锯齿凸起结构呈等高连续列状分布。In the preferred technical solution of the above heat exchanger fins, the staggeredly distributed plate-shaped sawtooth raised structures are distributed in a continuous row of equal heights.
在上述换热器翅片的优选技术方案中，所述凸起结构为三角形锯齿凸起结构，所述三角形锯齿凸起结构呈等高连续列状分布。In the preferred technical solution of the heat exchanger fins, the protruding structures are triangular serrated protruding structures, and the triangular serrated protruding structures are distributed in a continuous row of equal heights.
在上述换热器翅片的优选技术方案中，所述板型锯齿凸起结构的间隔的截面形状为圆弧形、矩形或梯形。In the preferred technical solution of the above-mentioned heat exchanger fins, the cross-sectional shape of the interval of the plate-shaped sawtooth convex structure is circular arc, rectangle or trapezoid.
在上述换热器翅片的优选技术方案中，所述板型锯齿凸起结构的截面形状为矩形或梯形。In the preferred technical solution of the above-mentioned heat exchanger fin, the cross-sectional shape of the plate-shaped sawtooth convex structure is a rectangle or a trapezoid.
在上述换热器翅片的优选技术方案中，所述并行排列的凸起结构的间隔在20-500μm之间。In the above preferred technical solution of the heat exchanger fins, the interval between the parallelly arranged convex structures is between 20-500 μm.
本发明还提供了一种换热器，所述换热器包括上述技术方案中任一项所述的换热器翅片。The present invention also provides a heat exchanger, which includes the heat exchanger fins described in any one of the above technical solutions.
本领域人员能够理解的是，在本发明的技术方案中换热器翅片包括换热器翅片本体，换热器翅片本体的表面上设置有并行排列的凸起结构。Those skilled in the art can understand that, in the technical solution of the present invention, the heat exchanger fin includes a heat exchanger fin body, and the surface of the heat exchanger fin body is provided with convex structures arranged in parallel.
通过上述设置方式，使得本发明的换热器翅片及换热器通过在换热器翅片本体上设置并行排列的凸起结构，相较于常规的散乱分布，从流体力学的角度可减小新风在换热器内部风道流动过程中所受到的空气阻力；同时换热器翅片本体上的并行排列的凸起结构还具有防止凝露结霜的作用；此外，在换热器翅片本体上设置并行排列的凸起结构还可以增加换热面积，以提高换热器的换热效果。由此，通过在换热器翅片本体上设置并行排列的凸起结构可同时兼顾防止凝露结霜、降低空气阻力以及增加热交换面积。Through the above arrangement, the heat exchanger fins and the heat exchanger of the present invention can be reduced from the perspective of fluid mechanics by setting the convex structures arranged in parallel on the heat exchanger fin body, compared with the conventional scattered distribution. The air resistance of the small fresh air during the flow of the air duct inside the heat exchanger; at the same time, the parallel arrangement of the raised structures on the fin body of the heat exchanger also has the effect of preventing condensation and frost; The raised structures arranged in parallel on the sheet body can also increase the heat exchange area, so as to improve the heat exchange effect of the heat exchanger. Therefore, by arranging the convex structures arranged in parallel on the fin body of the heat exchanger, it is possible to simultaneously prevent condensation and frost formation, reduce air resistance and increase the heat exchange area.
下面参照附图来描述本换热器翅片及换热器。附图中：The heat exchanger fins and the heat exchanger will be described below with reference to the accompanying drawings. In the attached picture:
图1为换热器翅片结构示意图；Fig. 1 is a schematic diagram of the structure of a heat exchanger fin;
图2为具有板型锯齿凸起结构的换热器翅片的结构示意图；FIG. 2 is a schematic structural diagram of a heat exchanger fin with a plate-shaped sawtooth raised structure;
图3为具有三角形锯齿凸起结构的换热器翅片的主视图；3 is a front view of a heat exchanger fin with a triangular sawtooth raised structure;
图4为具有错落分布的板型锯齿凸起结构的换热器翅片的俯视图；4 is a top view of a heat exchanger fin with a staggeredly distributed plate-shaped sawtooth raised structure;
图5为具有错落分布的板型锯齿凸起结构的换热器翅片的主视图。FIG. 5 is a front view of a heat exchanger fin having a staggeredly distributed plate-shaped sawtooth protrusion structure.
附图标记列表：List of reference numbers:
1-换热器翅片本体；1- heat exchanger fin body;
11-凸起结构；111-凸起结构的间隔；11-protruding structure; 111-interval of protruding structure;
12-板型锯齿凸起结构；121-板型锯齿凸起结构的间隔；12-plate-shaped sawtooth raised structure; 121-interval of plate-shaped sawtooth raised structure;
13-三角形锯齿凸起结构；13-Triangular sawtooth raised structure;
14-错落分布的板型锯齿凸起结构。14-The staggered distribution of the plate-shaped sawtooth convex structure.
下面参照附图来描述本发明的优选实施方式。本领域技术人员应当理解的是，这些实施方式仅仅用于解释本发明的技术原理，并非旨在限制本发明的保护范围。本领域技术人员可以根据需要对其作出调整，以便适应具体的应用场合。例如，尽管说明书中是以板型锯齿凸起结构的间隔的截面形状为圆弧形进行描述的，但是，本发明中板型锯齿凸起结构的间隔显然可以采用其他各种截面形状，只要该截面形状具有增加换热面积的效果且能够适用于换热器内部风路通道设置即可。Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention. Those skilled in the art can adjust it as needed to adapt to specific applications. For example, although the description describes the section shape of the interval between the plate-shaped sawtooth protruding structures as a circular arc, the interval between the plate-shaped sawtooth bulge structures in the present invention can obviously adopt other cross-sectional shapes, as long as the It is sufficient that the cross-sectional shape has the effect of increasing the heat exchange area and can be suitable for the setting of the air passages inside the heat exchanger.
需要说明的是，在本发明的描述中，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方向或位置关系的术语是基于附图所示的方向或位置关系，这仅仅是为了便于描述，而不是指示或暗示所述装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The terminology of the indicated direction or positional relationship is based on the direction or positional relationship shown in the drawings, which is only for convenience of description and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation , so it should not be construed as a limitation of the present invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.
此外，还需要说明的是，在本发明的描述中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域技术人员而言，可根据具体情况理解上述术语在本发明中的具体含义。In addition, it should also be noted that, in the description of the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a It is a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.
首先参照图1，对本实施例的换热器翅片进行描述。其中，图1为换热器翅片的结构示意图。Referring first to FIG. 1 , the heat exchanger fins of this embodiment will be described. 1 is a schematic structural diagram of a heat exchanger fin.
如图1所示，为了解决现有技术中通过提高电机转速的方式，以增加换热器中进风量，从而实现提高换热器的出风量，在一定程度上增加了能耗、加大的机器噪音，同时降低用户体验的问题，本发明的换热器翅片包括换热器翅片本体1，所述换热器翅片本体1的表面上设置有并行排列的凸起结构11。As shown in Figure 1, in order to solve the problem in the prior art by increasing the speed of the motor to increase the air intake in the heat exchanger, so as to increase the air outlet of the heat exchanger, to a certain extent, the energy consumption is increased and the air intake is increased. Machine noise, while reducing the problem of user experience, the heat exchanger fin of the present invention includes a heat exchanger fin body 1, and the surface of the heat exchanger fin body 1 is provided with convex structures 11 arranged in parallel.
上述设置方式的优点在于：通过在换热器翅片本体1上设置并行排列的凸起结构11，相较于常规的散乱分布，从流体力学的角度可减小新风在换热器内部风道流动过程中所受到的空气阻力；同时换热器翅片本体1上的并行排列的凸起结构11还具有防止凝露结霜的作用；此外，在换热器翅片本体1上设置并行排列的凸起结构11还可以增加换热面积，以提高换热器的换热效果。由此，通过在换热器翅片本体1上设置并行排列的凸起结构11可同时兼顾防止凝露结霜、降低空气阻力以及增加热交换面积。The advantage of the above arrangement is that: by arranging the raised structures 11 arranged in parallel on the fin body 1 of the heat exchanger, compared with the conventional scattered distribution, the flow of fresh air in the internal air passage of the heat exchanger can be reduced from the perspective of fluid mechanics. The air resistance received during the flow process; at the same time, the parallelly arranged convex structures 11 on the heat exchanger fin body 1 also have the effect of preventing condensation and frosting; The raised structure 11 can also increase the heat exchange area to improve the heat exchange effect of the heat exchanger. Therefore, by disposing the convex structures 11 arranged in parallel on the heat exchanger fin body 1, it is possible to simultaneously prevent condensation and frost formation, reduce air resistance and increase the heat exchange area.
下面进一步参照图2-5，对本发明的凸起结构11进行详细描述。2-5, the protruding structure 11 of the present invention will be described in detail.
如图2所示，在一种可能的实施方式中，换热器翅片本体1表面的凸起结构11为板型锯齿凸起结构12，且板型锯齿凸起结构12呈等高连续列状分布。As shown in FIG. 2 , in a possible implementation manner, the raised structures 11 on the surface of the heat exchanger fin body 1 are plate-shaped sawtooth raised structures 12 , and the plate-shaped sawtooth raised structures 12 are in continuous rows of equal heights distribution.
上述设置方式的优点在于：通过在换热器翅片本体1上设置板型锯齿凸起结构12，减小了新风在换热器内部风道流动时所受的空气阻力，同时换热器翅片本体1表面的板型锯齿凸起12还具有防止凝露结霜的作用，此外，在换热器翅片本体1表面设置板型锯齿凸起12，增加了风流与换热器表面的接触面积，从而增加了换热器的换热面积，提高了换热器的换热效果。The advantage of the above arrangement is that: by arranging the plate-shaped sawtooth raised structure 12 on the fin body 1 of the heat exchanger, the air resistance of the fresh air when flowing in the air duct inside the heat exchanger is reduced, and the fins of the heat exchanger are at the same time. The plate-shaped sawtooth protrusions 12 on the surface of the fin body 1 also have the effect of preventing condensation and frost formation. In addition, the plate-shaped sawtooth protrusions 12 are arranged on the surface of the heat exchanger fin body 1 to increase the contact between the air flow and the surface of the heat exchanger. area, thereby increasing the heat exchange area of the heat exchanger and improving the heat exchange effect of the heat exchanger.
可以理解的是，虽然本实施例是以在换热器翅片本体1表面设置板型锯齿凸起结构12为例对换热器翅片本体1表面的凸起结构11进行说明的，但是本实施例的换热器翅片本体1表面凸起结构11的类型并不局限于此，只要该凸起结构11能够满足具有减少新风在换热器内部风道流动所受空气阻力、防止凝露结霜以及增加换热器换热面积等效果即可。It can be understood that, although the present embodiment takes the arrangement of plate-shaped sawtooth raised structures 12 on the surface of the heat exchanger fin body 1 as an example to describe the raised structures 11 on the surface of the heat exchanger fin body 1, this The type of the protruding structures 11 on the surface of the heat exchanger fin body 1 of the embodiment is not limited to this, as long as the protruding structures 11 can meet the requirements of reducing the air resistance of the fresh air flowing in the air ducts inside the heat exchanger and preventing condensation. The effects of frosting and increasing the heat exchange area of the heat exchanger are sufficient.
例如，换热器翅片表面本体1的凸起结构11可以为三角形锯齿凸起结构13；再如，换热器翅片本体1表面的凸起结构11也可以为错落分布的板型锯齿结构14。For example, the protruding structures 11 on the surface body 1 of the heat exchanger fins can be triangular serrated protruding structures 13; for another example, the protruding structures 11 on the surface of the heat exchanger fin body 1 can also be staggered plate-shaped serrated structures 14.
如图3所示，在一种可能的实施方式中，换热器翅片本体1表面的凸起结构11为三角形锯齿凸起结构13，且三角形锯齿凸起结构13呈等高连续列状分布。As shown in FIG. 3 , in a possible implementation manner, the protruding structures 11 on the surface of the heat exchanger fin body 1 are triangular serrated protruding structures 13 , and the triangular serrated protruding structures 13 are distributed in a continuous row of equal heights .
上述设置方式的优点在于：通过在换热器翅片本体1上设置三角形锯齿凸起结构13，增加了可在换热器翅片本体1表面设置的凸起结构11的种类，通过在换热器翅片本体1表面设置不同截面形状的凸起结构11，可以根据不同换热器的换热需求以及不同换热器翅片本体1的形状，在换热器翅片本体1表面设置适合的凸起结构11，以提高通过在换热器翅片本体1表面设置凸起结构11来减少新风在换热器内部风道流动所受空气阻力、防止凝露结霜、增加换热面积的方案的普遍适应性。The advantage of the above arrangement is that: by arranging the triangular sawtooth raised structures 13 on the heat exchanger fin body 1, the types of raised structures 11 that can be arranged on the surface of the heat exchanger fin body 1 are increased. The surface of the heat exchanger fin body 1 is provided with raised structures 11 with different cross-sectional shapes. According to the heat exchange requirements of different heat exchangers and the shape of the heat exchanger fin body 1, suitable The raised structure 11 is used to improve the scheme of reducing the air resistance of the fresh air flowing in the air duct inside the heat exchanger, preventing condensation and frost, and increasing the heat exchange area by setting the raised structure 11 on the surface of the heat exchanger fin body 1 general adaptability.
如图4-5所示，在一种可能的实施方式中，换热器翅片本体1表面的凸起结构11为错落分布的板型锯齿凸起结构14，且错落分布的板型锯齿凸起结构14呈等高连续列状分布。As shown in FIGS. 4-5 , in a possible implementation manner, the raised structures 11 on the surface of the heat exchanger fin body 1 are staggeredly distributed plate-shaped sawtooth raised structures 14 , and the staggeredly distributed plate-shaped sawtooth raised structures 14 The starting structures 14 are distributed in a continuous row of equal heights.
上述设置方式的优点在于：通过在换热器翅片本体1表面上设置错落分布的板型锯齿凸起结构14，一方面，增加了可在换热器翅片本体1表面设置的凸起结构11的种类，通过根据不同换热器的换热需求以及不同换热器翅片本体1的形状，在换热器翅片本体1表面设置适合的凸起结构11，以提高通过在换热器翅片本体1表面设置凸起结构11来减少新风在换热器内部风道流动所受空气阻力、防止凝露结霜、增加换热面积的方案的普遍适应性；另一方面，在换热器翅片本体1表面设置错落分布的板型锯齿结构14可进一步增加换热面积，从而进一步提高换热器的换热效果。The advantage of the above arrangement is that: by arranging the plate-shaped sawtooth raised structures 14 distributed in a staggered manner on the surface of the heat exchanger fin body 1, on the one hand, the raised structures that can be arranged on the surface of the heat exchanger fin body 1 are increased. The type of 11, according to the heat exchange requirements of different heat exchangers and the shapes of different heat exchanger fin bodies 1, suitable raised structures 11 are arranged on the surface of the heat exchanger fin body 1, so as to improve the heat exchange rate in the heat exchanger. The surface of the fin body 1 is provided with a raised structure 11 to reduce the air resistance of the fresh air flowing in the air duct inside the heat exchanger, prevent condensation and frost, and increase the heat exchange area. Distributing the plate-shaped sawtooth structures 14 staggeredly distributed on the surface of the fin body 1 can further increase the heat exchange area, thereby further improving the heat exchange effect of the heat exchanger.
如图2所示，在一种可能的实施方式中，板型锯齿凸起结构12的截面形状为矩形。As shown in FIG. 2 , in a possible implementation manner, the cross-sectional shape of the plate-shaped sawtooth protruding structure 12 is a rectangle.
可以理解的是，虽然本实施例是以板型锯齿凸起结构12的截面形状为矩形为例对板型锯齿凸起结构12的截面形状进行说明的，但是本实施例的板型锯齿凸起结构12的截面形状并不局限于此，只要该截面形状能够满足板型锯齿凸起结构12的结构需求，且具有增加换热面积的效果并能够适用于换热器内部风路通道设置即可。It can be understood that although the cross-sectional shape of the plate-shaped sawtooth raised structure 12 is taken as an example to describe the cross-sectional shape of the plate-shaped sawtooth raised structure 12 in this embodiment, the plate-shaped sawtooth raised The cross-sectional shape of the structure 12 is not limited to this, as long as the cross-sectional shape can meet the structural requirements of the plate-shaped sawtooth raised structure 12, has the effect of increasing the heat exchange area, and is suitable for setting the air passages inside the heat exchanger. .
例如，板型锯齿凸起结构12的截面形状也可为梯形。For example, the cross-sectional shape of the plate-shaped sawtooth protruding structure 12 can also be a trapezoid.
上述设置方式的优点在于：通过设置不同截面的板型锯齿凸起结构12，可以根据不同换热器的换热需求以及不同换热器翅片本体1的形状，在换热器翅片本体1表面设置适合的凸起结构11，以提高通过在换热器翅片本体1表面设置凸起结构11来减少新风在换热器内部风道流动所受空气阻力、防止凝露结霜、增加换热面积的方案的普遍适应性。The advantage of the above arrangement is that: by arranging the plate-shaped sawtooth raised structures 12 with different cross-sections, the heat exchange requirements of different heat exchangers and the shapes of the fin bodies 1 of the heat exchangers can Appropriate raised structures 11 are arranged on the surface to reduce the air resistance of the fresh air flowing in the air ducts inside the heat exchanger by setting the raised structures 11 on the surface of the heat exchanger fin body 1, prevent condensation and frost, and increase the exchange rate. Universal adaptability of thermal area schemes.
如图2所示，在一种可能的实施方式中，板型锯齿凸起结构的间隔121的截面形状为圆弧形。As shown in FIG. 2 , in a possible implementation manner, the cross-sectional shape of the interval 121 of the plate-shaped sawtooth protruding structure is a circular arc.
上述设置方式的优点在于：通过将板型锯齿凸起结构的间隔121的截面设置为圆弧形，可使风流在换热器中流动过程中，增加风流与换热器翅片本体1表面的接触面积，以提高换热器的换热效果。The advantage of the above arrangement is that: by setting the cross section of the interval 121 of the plate-shaped sawtooth raised structure to a circular arc, the air flow can increase the distance between the air flow and the surface of the heat exchanger fin body 1 during the flow of the air flow in the heat exchanger. Contact area to improve the heat exchange effect of the heat exchanger.
可以理解的是，虽然本实施例是以板型锯齿凸起结构的间隔121的截面为圆弧形为例对板型锯齿凸起结构的间隔121的截面形状进行说明的，但是本实施例的板型锯齿凸起结构的间隔121的截面形状并不局限于此，只要该截面形状具有增加换热面积的效果且能够适用于换热器内部风路通道设置即可。It can be understood that, although the cross-section of the spacer 121 of the plate-shaped sawtooth raised structure is taken as an example to describe the cross-sectional shape of the spacer 121 of the plate-shaped sawtooth raised structure, the The cross-sectional shape of the spacers 121 of the plate-shaped sawtooth protruding structure is not limited to this, as long as the cross-sectional shape has the effect of increasing the heat exchange area and can be suitable for setting the air passages in the heat exchanger.
例如，板型锯齿凸起结构的间隔121的截面形状可以为矩形或梯形。For example, the cross-sectional shape of the spacer 121 of the plate-type sawtooth protruding structure may be a rectangle or a trapezoid.
在本实施例中，并行排列的凸起结构的间隔111在20-500μm之间。In this embodiment, the interval 111 of the convex structures arranged in parallel is between 20-500 μm.
也就是说，本发明所提及的这些结构均不是常规的宏观结构布局，而都是在板面上做的微观调整，肉眼难以分辨，但在能够放大视野的设备下能够清晰可见，从而既实现对于风阻的微调，又实现了防凝露，同时增加换热面积的作用。That is to say, these structures mentioned in the present invention are not conventional macroscopic structure layouts, but are all microscopic adjustments made on the board surface, which are difficult to distinguish with the naked eye, but can be clearly seen under the equipment that can magnify the field of view, so that both It realizes fine-tuning of wind resistance, anti-condensation, and the effect of increasing heat exchange area at the same time.
综上所述，通过在换热器翅片本体1上设置并行排列的凸起结构11，相较于常规的散乱分布，从流体力学的角度可减小新风在换热器内部风道流动过程中所受到的空气阻力；同时换热器翅片本体1上的并行排列的凸起结构11还具有防止凝露结霜的作用；此外，在换热器翅片本体1上设置并行排列的凸起结构11还可以增加换热面积，以提高换热器的换热效果。由此，通过在换热器翅片本体1上设置并行排列的凸起结构11可同时兼顾防止凝露结霜、降低空气阻力以及增加热交换面积。To sum up, by arranging the convex structures 11 arranged in parallel on the fin body 1 of the heat exchanger, compared with the conventional scattered distribution, the flow process of the fresh air in the air duct inside the heat exchanger can be reduced from the perspective of fluid mechanics At the same time, the convex structures 11 arranged in parallel on the heat exchanger fin body 1 also have the effect of preventing condensation and frost formation; The lifting structure 11 can also increase the heat exchange area, so as to improve the heat exchange effect of the heat exchanger. Therefore, by disposing the convex structures 11 arranged in parallel on the heat exchanger fin body 1, it is possible to simultaneously prevent condensation and frost formation, reduce air resistance and increase the heat exchange area.
同时，通过在换热器翅片本体1表面上设置不同截面形状以及不同结构凸起结构11，一方面，增加了可在换热器翅片本体1表面设置的凸起结构11的种类，通过根据不同换热器的换热需求以及不同换热器翅片本体1的形状，在换热器翅片本体1表面设置适合的凸起结构11，以提高通过在换热器翅片本体1表面设置凸起结构11来减少新风在换热器内部风道流动所受空气阻力、防止凝露结霜、增加换热面积的方案的普遍适应性。At the same time, by arranging the raised structures 11 with different cross-sectional shapes and different structures on the surface of the heat exchanger fin body 1, on the one hand, the types of raised structures 11 that can be arranged on the surface of the heat exchanger fin body 1 are increased. According to the heat exchange requirements of different heat exchangers and the shapes of different heat exchanger fin bodies 1, suitable protruding structures 11 are arranged on the surface of the heat exchanger fin bodies 1 to improve the passage of heat on the surface of the heat exchanger fin bodies 1. The protruding structure 11 is provided to reduce the air resistance of the fresh air flowing in the air duct inside the heat exchanger, prevent condensation and frost, and increase the heat exchange area.
此外，通过将板型锯齿凸起结构的间隔121的截面设置为圆弧形、矩形或梯形，可使风流在换热器中流动过程中，进一步增加风流与换热器翅片本体1表面的接触面积，以提高换热器的换热效果。In addition, by setting the cross-section of the spacer 121 of the plate-shaped sawtooth raised structure to be circular, rectangular or trapezoidal, the air flow can be further increased during the flow of the air flow in the heat exchanger and the surface of the heat exchanger fin body 1. Contact area to improve the heat exchange effect of the heat exchanger.
需要说明的是，上述实施方式仅仅用来阐述本发明的原理，并非旨在与限制本发明的保护范围，在不偏离本发明原理的条件下，本领域技术人员能够对上述结构进行调整，以便本发明能够应用于更加具体的应用场景。It should be noted that the above-mentioned embodiments are only used to illustrate the principle of the present invention, and are not intended to limit the protection scope of the present invention. Those skilled in the art can adjust the above structure without departing from the principle of the present invention, so as to The present invention can be applied to more specific application scenarios.
此外，本发明还提供了一种换热器，该换热器具有上述任一实施方式中所述的换热器翅片。In addition, the present invention also provides a heat exchanger having the heat exchanger fins described in any of the above embodiments.
此外，本领域的技术人员能够理解，尽管在此所述的一些实施例包括其它实施例中所包括的某些特征而不是其它特征，但是不同实施例的特征的组合意味着处于本发明的保护范围之内并且形成不同的实施例。例如，在发明的权利要求书中，所要求保护的实施例的任意之一都可以以任意的组合方式来使用。Furthermore, those skilled in the art will appreciate that although some of the embodiments described herein include certain features, but not others, included in other embodiments, that a combination of features of different embodiments is meant to be within the protection of the present invention range and form different embodiments. For example, in the claims of the invention, any of the claimed embodiments may be used in any combination.
至此，已经结合附图所示的优选实施方式描述了本发明的技术方案，但是，本领域技术人员容易理解的是，本发明的保护范围显然不局限于这些具体实施方式。在不偏离本发明的原理的前提下，本领域技术人员可以对相关技术特征作出等同的更改或替换，这些更改或替换之后的技术方案都将落入本发明的保护范围之内。So far, the technical solutions of the present invention have been described with reference to the preferred embodiments shown in the accompanying drawings, however, those skilled in the art can easily understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (10)
- 一种换热器翅片，其特征在于，所述换热器翅片包括换热器翅片本体，所述换热器翅片本体的表面上设置有并行排列的凸起结构。A heat exchanger fin is characterized in that, the heat exchanger fin includes a heat exchanger fin body, and the surface of the heat exchanger fin body is provided with convex structures arranged in parallel.
- 根据权利要求1所述的换热器翅片，其特征在于，所述凸起结构为板型锯齿凸起结构。The heat exchanger fin according to claim 1, wherein the raised structure is a plate-shaped sawtooth raised structure.
- 根据权利要求2所述的换热器翅片，其特征在于，所述板型锯齿凸起结构呈等高连续列状分布。The heat exchanger fin according to claim 2, wherein the plate-shaped sawtooth protruding structures are distributed in a continuous row of equal heights.
- 根据权利要求1所述的换热器翅片，其特征在于，所述凸起结构为错落分布的板型锯齿凸起结构。The heat exchanger fin according to claim 1, wherein the raised structures are staggeredly distributed plate-shaped sawtooth raised structures.
- 根据权利要求4所述的换热器翅片，其特征在于，所述错落分布的板型锯齿凸起结构呈等高连续列状分布。The heat exchanger fin according to claim 4, wherein the staggeredly distributed plate-shaped sawtooth convex structures are distributed in a continuous row of equal heights.
- 根据权利要求1所述的换热器翅片，其特征在于，所述凸起结构为三角形锯齿凸起结构，所述三角形锯齿凸起结构呈等高连续列状分布。The heat exchanger fin according to claim 1, wherein the protruding structures are triangular serrated protruding structures, and the triangular serrated protruding structures are distributed in a continuous row of equal heights.
- 根据权利要求2所述的换热器翅片，其特征在于，所述板型锯齿凸起结构的间隔的截面形状为圆弧形、矩形或梯形。The heat exchanger fin according to claim 2, characterized in that, the cross-sectional shape of the interval of the plate-shaped sawtooth protruding structure is circular arc, rectangle or trapezoid.
- 根据权利要求2所述的换热器翅片，其特征在于，所述板型锯齿凸起结构的截面形状为矩形或梯形。The heat exchanger fin according to claim 2, wherein the cross-sectional shape of the plate-shaped sawtooth protruding structure is a rectangle or a trapezoid.
- 根据权利要求1所述的换热器翅片，其特征在于，所述并行排列的凸起结构的间隔在20-500μm之间。The heat exchanger fin according to claim 1, wherein the interval of the parallelly arranged protruding structures is between 20-500 μm.
- 一种换热器，其特征在于，所述换热器具有如权利要求1-9中任一项所述换热器翅片。A heat exchanger, characterized in that, the heat exchanger has the heat exchanger fins according to any one of claims 1-9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120460289.0U CN216081132U (en) | 2021-03-03 | 2021-03-03 | Heat exchanger fin and heat exchanger |
| CN202120460289.0 | 2021-03-03 |
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| Publication Number | Publication Date |
|---|---|
| WO2022068949A1 true WO2022068949A1 (en) | 2022-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2021/124713 WO2022068949A1 (en) | 2021-03-03 | 2021-10-19 | Heat exchanger fin and heat exchanger |
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| Country | Link |
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| CN (1) | CN216081132U (en) |
| WO (1) | WO2022068949A1 (en) |
Families Citing this family (1)
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| CN116026081B (en) * | 2023-03-29 | 2023-06-02 | 北京星宇环试科技有限公司 | Ultralow temperature device suitable for nonflammable mixed refrigerant |
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| CN216081132U (en) | 2022-03-18 |
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