WO2020062729A1 - Heat exchange assembly, heat exchanger and air conditioning device - Google Patents

Abstract

A heat exchange assembly, a heat exchanger and an air conditioning device, the heat exchange assembly comprising a heat exchange main body, wherein the heat exchange main body comprises: at least two headers (10), comprising a first header and a second header when the number of headers (10) provided is two; a flat tube (20), wherein a first end of the flat tube (20) is connected to the first header, a second end thereof is connected to the second header, a first end of a refrigerating channel of the flat tube (20) is in communication with the first header, the second end of the flat tube (20) is in communication with the second header, and the plane where the width direction of the flat tube (20) is located is parallel to the axial direction of the first header or the second header; and a plurality of fins (30), installed on the flat tube, the length direction thereof being the same as the width direction of the flat tube (20). The fins (30) in the heat exchange assembly overcome the defect in existing technology wherein fins cannot control the distance therebetween and thus require additional tooling.

Description

Heat exchange assembly, heat exchanger and air conditioner Technical field

The invention relates to the technical field of heat exchange, in particular to a heat exchange component, a heat exchanger and an air conditioning device.

Background technique

Air source heat pumps are two typical products-heaters and household water heaters. The former has high energy efficiency but is generally comfortable; the latter has better comfort, but has the risks of freezing and high energy consumption.

At present, the patent publication number CN107504836A in the existing patent discloses a heat exchanger, which includes two rows of oppositely arranged microchannel flat tubes. The fins 1 are arranged between the two rows of flat tubes. The fins are generally rectangular. It can also be corrugated or triangular, and there is an external displacement heat part 2 on the outside of the tube. However, a heat exchanger in this solution requires two kinds of fins; fins 1 and 2 need additional connections to assemble; fins 1 are between two flat tubes, and the heat exchange efficiency is low; fins 2 cannot be controlled Film pitch requires additional tooling.

Summary of the Invention

The main purpose of the present invention is to provide a heat exchange assembly, a heat exchanger, and an air conditioning device, so as to solve the problem that the fins in the prior art cannot control the distance between the fins and require additional tooling.

In order to achieve the above object, according to an aspect of the present invention, a heat exchange assembly is provided, including a heat exchange main body. The heat exchange main body includes: at least two headers. When the headers are set to two, the first header is included. And a second header; a flat tube, the first end of the flat tube is connected to the first header, the second end of the flat tube is connected to the second header, and the refrigerant channel of the flat tube is the first The end is in communication with the first header, and the second end of the flat tube is in communication with the second header; the plane in which the width of the flat tube is located is parallel to the axial direction of the first or second header; A plurality of fins are installed on the flat tube, and the length direction of the fins is the same as the width direction of the flat tube.

Further, a fixed-pitch structure is provided on the fins, so that a plurality of fins are spaced apart from each other on the flat tube, and there is a space between the spaced-apart fins to form an air channel, and the air in the air channel runs along the fins. The length of the sheet flows.

Further, the fin includes: a fin body, the fin is a plate-like structure; a first notch portion, the first notch portion is opened on the side of the fin body near the flat tube, and the first notch portion is suitable for the outer surface of the flat tube; Match.

Further, the first cutout portion is provided with a first cut-and-raised portion, and the fixed-pitch structure includes a first cut-and-raised portion, where the first cut-and-raised portion is a portion of the fin body that was originally located in the first notch and is cut and folded. .

Further, a third cut-and-raised portion and a fourth cut-and-raised portion are provided inside the first notch portion, and the third and fourth cut-and-raised portions are adapted to the flat tube.

Further, an end of the first cut-and-raised portion remote from the fin body is folded and forms a first folded portion.

Further, the fin further includes a second notch portion, and the second notch portion is disposed on a side of the fin body away from the flat tube.

Further, a second cut-and-raised portion is provided at the position of the second notch. The fixed-pitch structure further includes a second cut-and-raised portion, and the second cut-and-raised portion is a portion of the fin body that was originally located in the second notch and is cut and folded. form.

Further, an end of the second cut-and-raised portion remote from the fin body is folded and forms a second folded portion.

Further, the plane where the first cut-and-raised portion and / or the second cut-and-raised portion is located is parallel to the longitudinal direction of the fin.

Further, the first cut-and-raised portion and / or the second cut-and-raised portion is provided with a structural strengthening portion.

Further, the fin body includes a first heat transfer portion, a second heat transfer portion, and a third heat transfer portion, and the first heat transfer portion and / or the second heat transfer portion and / or the third heat transfer portion are provided with a strengthening portion. .

Further, the reinforcing portion is a raised portion, a raised edge, or a bulged portion provided on the fin body.

Further, the fin is matched with a plurality of flat tubes, and the fins have a plurality of heat exchange units, and each heat exchange unit corresponds to one flat tube.

Further, at least one cutout portion is provided between adjacent heat exchange units.

Further, when there are a plurality of cutout portions, a structural reinforcement portion is provided between adjacent cutout portions.

Further, the fins are welded on the flat tube, or the fins are clipped on the flat tube.

Further, after the fins are installed on the flat tube, the outer surface of the heat exchange component is a radiation-enhanced surface, or the outer surface of the heat exchange component is provided with a coating.

Further, fins are installed on at least one side of the flat tube, and when fins are provided on both sides of the flat tube, the fins on both sides are staggered along the length of the flat tube.

According to another aspect of the present invention, there is provided a heat exchanger including a heat exchange component, and the heat exchange component is the heat exchange component described above.

Further, the heat exchanger further includes a casing, and the heat exchange component is disposed in the casing.

Further, the housing includes a front panel, and the front panel includes a circulation portion and a sealing portion, and the circulation portion is located below the sealing portion.

Further, the circulation part is composed of a profile, a metal mesh, or a grid having a plurality of hole structures, and the sealing part is composed of a single piece of profile, or a plurality of profiles are spliced.

Further, the outer surface of the sealing portion is a flat surface, or the outer surface of the sealing portion is provided with protrusions and / or grooves.

Further, the housing further includes a rear panel, which is opposite to the front panel. The rear panel has the same structure as the front panel, or the rear panel is composed of a single profile, or the rear panel is formed by splicing multiple profiles.

Further, the front panel and / or the rear panel are spaced from the heat exchange module.

Further, the housing further includes a right side plate and a left side plate, the right side plate and the left side plate are oppositely disposed, and the right side plate or the left side plate is provided with a connection hole near the current collecting tube.

Further, the casing further includes an upper cover plate, and the upper cover plate is composed of a plurality of sheet-like structures, and the cross-section of the sheet-like structure is arc or rectangular.

Further, the sheet-like structure is fixed on the back panel, a plurality of sheet-like structures form a cavity flow channel, and the sheet-like structure is arranged at an angle with the rear panel to deflect the air flow direction in the cavity flow channel.

Further, the housing further includes a bottom plate, and the bottom plate has at least one hole structure for air circulation.

Further, the housing further includes a fixed structure, the fixed structure is a suspension structure provided outside the rear panel, or the fixed structure is a support structure provided below the bottom plate.

According to another aspect of the present invention, there is provided an air-conditioning apparatus including a heat exchanger, and the heat exchanger is the heat exchanger described above.

By applying the technical solution of the present invention, the cooperation of the first header, the second header, and the flat tube can form a fluid channel of the heat exchange component, and the fluid channel is in communication with the heat exchange system where the heat exchange component is located. The plane in which the width direction of the flat tube is located is parallel to the axial direction of the first or second header, and the flat tube can better cooperate with at least two headers. After the length direction of the fins is the same as the width direction of the flat tube, a plurality of fins will be arranged in parallel, so that the distance between the fins is easier to control. The technical solution of the present invention effectively solves the problem that the fins in the prior art cannot control the distance between the fins and requires additional tooling.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings, which constitute a part of this application, are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and the descriptions thereof are used to explain the present invention, and do not constitute an improper limitation on the present invention. In the drawings:

FIG. 1 is a schematic structural diagram of a first embodiment of a heat exchange component according to the present invention; FIG.

FIG. 2 shows a top view of a heat exchange component according to an embodiment; FIG.

FIG. 3 shows a front view of a heat exchange module according to the embodiment; FIG.

4 illustrates a cross-sectional view of the heat exchange module A-A direction in FIG. 3;

Fig. 5 shows an enlarged view at A in Fig. 4;

6 is a partial cross-sectional view of the heat exchange module B-B direction in FIG. 3;

FIG. 7 is a schematic structural diagram of a fin according to an embodiment; FIG.

FIG. 8 shows a partial right side view of a fin of the embodiment; FIG.

FIG. 9 shows a partial left side view of a fin of an embodiment; FIG.

FIG. 10 shows a top view of a fin according to the embodiment; FIG.

FIG. 11 is a schematic diagram showing a partial structure of two fins according to the embodiment; FIG.

FIG. 12 is a schematic diagram showing a partial structure of three fins according to the embodiment; FIG.

FIG. 13 shows a schematic structural diagram of a heat exchanger in the present invention;

FIG. 14 shows an exploded view of the heat exchanger in the present invention;

15 is a front view of a heat exchanger in the present invention;

16 is a cross-sectional view of the heat exchanger C-C direction in FIG. 15;

FIG. 17 shows a cross-sectional view in the D-D direction of the heat exchanger in FIG. 15; and

FIG. 18 is a schematic structural diagram of an air conditioner in the present invention.

The above drawings include the following reference signs:

10. Collecting tube; 11. End cover; 20. Flat tube; 21. Heat transfer tube; 30. Fin; 31. Fin body; 32. First notch; 321; First cut-up portion; 322, The first folded portion; 33, the second notched portion; 331, the second cut-up portion; 332, the second folded portion; 34, the structural strengthening portion; 35, the first heat transfer portion; 351, the first strengthening portion; 36. The second heat transfer section; 361, the second strengthening section; 37, the third heat transfer section; 371, the third strengthening section; 38, the cutout section; 40, the housing; 41, the front panel; 411, the circulation section; 412, sealing section; 42, rear panel; 43, right side plate; 44, left side plate; 45, upper cover plate; 46, bottom plate; 47, fixed structure; 50, air conditioning device; 501, supplementary air compressor; 502 Four-way valve; 503, outdoor heat exchanger; 504, indoor liquid shut-off valve; 505, flasher; 506, first throttle element; 507, second throttle element; 508, first heat exchanger; 509 , Subcooler; 510, second heat exchanger; 512, third heat exchanger.

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the drawings and embodiments.

As shown in FIG. 1 to FIG. 3, a heat exchange assembly in Embodiment 1 includes a heat exchange body. The heat exchange body includes at least two headers 10, flat tubes 20, and multiple fins 30. When two headers 10 are provided, they include a first header and a second header. The first end of the flat tube 20 is connected to the first header, the second end of the flat tube 20 is connected to the second header, and the first end of the refrigerant passage of the flat tube 20 is in communication with the first header, The second end of the flat tube 20 is in communication with the second header. The plane in which the width direction of the flat tube 20 is located is parallel to the axial direction of the first or second header. The plurality of fins 30 are mounted on the flat tube 20, and the length direction of the fins 30 is the same as the width direction of the flat tube 20.

Applying the technical solution of this embodiment, the cooperation of the first header, the second header, and the flat tube 20 can form a fluid channel of the heat exchange component, and the fluid channel is in communication with the heat exchange system where the heat exchange component is located. The plane in which the width direction of the flat tube 20 is located is parallel to the axial direction of the first or second header, and the flat tube 20 can better fit with at least two headers 10. After the length direction of the fins 30 is the same as the width direction of the flat tube 20, a plurality of fins 30 will be arranged in parallel, so that the distance between the plurality of fins 30 is easier to control. The technical solution of this embodiment effectively solves the problem that the fins 30 in the prior art cannot control the distance of the fins and requires additional tooling.

As shown in FIG. 1 to FIG. 3, in the technical solution of the first embodiment, a finned structure is provided on the fins 30 so that a plurality of fins 30 are arranged on the flat tube 20 at intervals, and There is a space between the fins 30 to form an air channel, and the air in the air channel flows along the length direction of the fins 30. The setting of the fixed-pitch structure can directly determine the distance between the fins during the installation of the fins, and no additional tooling is required. In addition, the above structure can evenly install a plurality of fins on the flat tubes. Such an arrangement can make the air channels formed between the fins more uniform and stable, and make the heat exchange between the fins and the flat tubes more uniform.

It is worth noting that the header 10 is provided with a sealing structure, and the sealing structure is provided as an end cover 11. The heat exchange system where the heat exchange component is located is connected to the heat exchange component through the flat tube 20 or the end cover 11.

As shown in FIG. 4 to FIG. 6, in the technical solution of the first embodiment, two ends of the flat tube 20 communicate with the first and second headers, respectively, to circulate a heat exchange medium. The plurality of heat transfer tubes 21 are in communication with the first header and the second header, respectively. Preferably, the width directions of the plurality of flat tubes 20 are parallel to each other, the width direction of the flat tubes 20 is parallel to the axis of the header tube 10, and the flat tubes 20 have fins 30 having the same length direction as the width direction of the flat tubes 20. The plane in which the width direction of the flat tube 20 is located may be inclined with respect to the axial direction of the first header or the second header.

As shown in FIGS. 6 to 10, in the technical solution of the first embodiment, the fin 30 includes a fin body 31 and a first cutout portion 32. The fin 30 has a plate-like structure. The first notch portion 32 is provided on a side of the fin body 31 near the flat tube 20, and the first notch portion 32 is adapted to the outer surface of the flat tube 20. The above structure can make the fins 30 better cooperate with the flat tube 20, and the first notch portion 32 has a positioning effect, and can stabilize the position of the flat tube 20 while stabilizing the installation of the fins 30. Further, the fin 30 has a plurality of first notches 32 to cooperate with a plurality of flat tubes 20 at the same time, so that the cooperation between the flat tubes 20 and the fins 30 can be more stable and reliable. Further, the plane in which the fin body 31 is located is perpendicular to the plane in which the width direction of the flat tube 20 is located.

As shown in FIG. 6 to FIG. 10, in the technical solution of the first embodiment, a first cut-and-raised portion 321 is provided at the position of the first notch portion 32, and the fixed-pitch structure includes the first cut-and-raised portion 321. The portion 321 is formed by cutting and folding a part of the fin body 31 originally located in the first notch portion 32. In the above structure, the first cut-and-raised portion 321 can play a role of fixed distance, so that a plurality of fins 30 can be evenly arranged after installation. Such an arrangement can make the air passage formed between the fins 30 more uniform and stable, so that The heat exchange between the fins 30 and the flat tubes 20 is more uniform. The arrow shown in FIG. 7 is the air flow direction.

As shown in FIG. 6 to FIG. 10, in the technical solution of the first embodiment, an end of the first cut-and-raised portion 321 away from the fin body 31 is folded to form a first folded portion 322. The arrangement of the first folding portion 322 in the above structure can increase the strength of the end portion of the first cut-and-rise portion 321 and avoid errors caused by deformation of the end portion of the first cut-and-rise portion 321.

As shown in FIG. 6 to FIG. 10, in the technical solution of the first embodiment, the fin 30 includes a first notch 32, and the first notch 32 is opened on the side of the fin 30 near the flat tube 20, and the first notch A third cut-and-raised portion and a fourth cut-and-raised portion are provided on the inner side of 32, and the third and fourth cut-and-raised portions are adapted to two semi-circular arc surfaces opposite to each other. The above structure can make the fins 30 better cooperate with the flat tube 20.

As shown in FIGS. 6 to 10, in the technical solution of the first embodiment, the fin 30 further includes a second notch portion 33, and the second notch portion 33 is disposed on a side of the fin body 31 away from the flat tube 20. A second cut-and-raised portion 331 is provided at the position of the second notch portion 33. The fixed-pitch structure further includes a second cut-and-raised portion 331. The second cut-and-raised portion 331 is a part of the fin body 31 originally located at the second notch 33 And turned to form. The second notch portion 33 is provided to form the second cut-and-raise portion 331. The second cut-and-raised portion 331 can set the distance between adjacent fins 30 on the one hand, and make the contact between the fins 30 more stable on the other hand, thereby making the structure of the entire heat exchange module more stable and difficult to locate. Deformation under external force. It is worth noting that a certain interval is left between the first notch portions 32 and the second notch portions 33 respectively.

As shown in FIG. 6 to FIG. 10, in the technical solution of the first embodiment, an end of the second cut-and-raised portion 331 away from the fin body 31 is folded to form a second folded portion 332. The arrangement of the second folding portion 332 in the above structure can increase the strength of the end portion of the second cut-and-rise portion 331 and avoid errors caused by deformation of the end portion of the second cut-and-rise portion 331.

As shown in FIGS. 6 to 10, in the technical solution of the first embodiment, a plane where the first cut-and-raised portion 321 and / or the second cut-and-raised portion 331 is located is parallel to the longitudinal direction of the fin 30. In the above structure, the second cut-and-raised portion 331 guides the air in the air passage formed between the fins 30 to make the flow of gas more stable. Preferably, the planes where the first cut-up portion 321 and the second cut-up portion 331 are located are parallel to the longitudinal direction of the fin 30. Further, the plane where the first cut-and-raised portion 321 and / or the second cut-and-raised portion 331 are located is perpendicular to the plane where the fin body 31 is located to form a regular directional air passage and make the flow of gas more stable.

It is worth noting that the cutting height of the first cutting and rising portion 321 is H1, the cutting height of the second cutting and rising portion 331 is H2, the width of the first notch portion 32 is W1, and the width of the first folded portion 322 is W2. H1 and H2 are the same size, and H1 is not less than the difference between W1 and W2, that is, H1 = H2≥W1-W2. The range of H1 and H2 is 4 to 14 mm, and the preferred range is 6 to 11 mm.

As shown in FIG. 6 to FIG. 10, in the technical solution of the first embodiment, the first cut-and-raised portion 321 and / or the second cut-and-raised portion 331 is provided with a structural strengthening portion 34. The arrangement of the structural strengthening portion 34 in the above structure can increase the strength of the first cut-and-raised portion 321 and / or the second cut-and-raised portion 331, thereby further ensuring the mutual stability of the plurality of fins 30 after installation. Specifically, the aforementioned structural strengthening portion 34 is provided as a rib, a rib, or a bump. The convex rib structure is preferred, and the convex rib structure is provided in multiples, and can be arranged according to the actual situation. The convex rib structure is preferably arranged in a direction perpendicular to the plane where the fin body 31 is located, or the convex rib structure is arranged in a direction cut from the first cut. The sides of the raised portion 321 and / or the second cut-and-raised portion 331 are adapted. Specifically, as shown in FIGS. 8 and 9, the first cut-and-raised portion 321 and the second cut-and-raised portion 331 are each provided with a raised rib structure.

As shown in FIGS. 6 to 10, in the technical solution of the first embodiment, the plane where the first cut-and-raised portion 321 and the plane where the second cut-and-raised portion 331 is located divide the fin body 31 into three parts, including the first The heat transfer section 35, the second heat transfer section 36, and the third heat transfer section 37. The first heat transfer portion 35 is located in the middle of the fin body 31. The second heat transfer portion 36 is located on the side of the fin body 31 near the flat tube 20. The third heat transfer portion 37 is located on a side of the fin body 31 away from the flat tube 20. The above structure can better perform heat exchange between the fins 30 and air.

As shown in FIGS. 6 to 10, in the technical solution of the first embodiment, the first heat transfer portion 35 and / or the second heat transfer portion 36 and / or the third heat transfer portion 37 are provided with a strengthening portion. In the above structure, the strengthening part may be provided as a heat transfer strengthening part or a structure strengthening part, the heat transfer strengthening part may increase a heat exchange area, and the structure strengthening part may increase the strength of the fin body 31.

As shown in FIGS. 6 to 10, in the technical solution of the first embodiment, the reinforcing portion is a convex portion, a convex edge, or a bulging portion provided on the fin body 31. The arrangement of the raised portions and the bulged portions in the above structure can both increase the heat exchange area and increase the strength of the fin body 31.

As shown in FIG. 6 to FIG. 10, in the technical solution of the first embodiment, the fins 30 cooperate with a plurality of flat tubes 20. The fins 30 have a plurality of heat exchange units, and each heat exchange unit corresponds to one flat tube 20. . The above structure can better divide the fins 30.

It is worth noting that, as shown in FIGS. 7 and 10, the first heat transfer portion 35 in this embodiment has a first strengthening portion 351, the second heat transfer portion 36 has a second strengthening portion 361, and the third heat transfer The section 37 includes a third reinforcing section 371. The first strengthening portion 351 in this embodiment is provided as a heat transfer strengthening portion, and the first strengthening portion 351 is composed of bulging portions extending in the air flow direction. Specifically, the number and length of the bulging portions in the figure are only Example, and the bulging part of this part also has the function of a structural strengthening part; the second strengthening part 361 on the second heat transfer part 36 is provided as a structural strengthening part, and the second strengthening part 361 is a convex part along the air flow direction It is constituted, and the convex portion crosses the two heat exchange units along the air flow direction. The third strengthening part 371 on the third heat transfer part 37 is provided as a heat transfer strengthening part. The third strengthening part 371 is composed of bulging parts extending along the air flow direction. The number and length of the bulging parts in the figure are just examples. The bulging part in this part also functions as a structural strengthening part.

As shown in FIG. 6 to FIG. 10, in the technical solution of the first embodiment, at least one cutout portion 38 is provided between adjacent heat exchange units. The arrangement of the cutout portion 38 in the above structure can partially exchange the air on both sides of the fin body 31 while avoiding heat transfer between adjacent heat exchange units. Further, the cutout portion 38 coincides with the first heat transfer portion 35 at least partially.

As shown in FIG. 6 to FIG. 10, in the technical solution of the first embodiment, when there are a plurality of cutout portions 38, a structural strengthening portion is provided between adjacent cutout portions 38. The setting of the cutout portion 38 will generate a certain stress concentration, which will have a certain impact on the strength of the fin body 31. The setting of the structural strengthening portion here can overcome the stress concentration here, thereby ensuring the strength of the fin body 31 and improving The useful life of the fins 30.

As shown in FIGS. 6 to 10, in the technical solution of the first embodiment, there is a space between the fins 30 spaced apart to form an air passage, and the air in the air passage flows along the length direction of the fins 30. The above structure allows better air circulation. Further, in order to improve the air circulation efficiency, an air source may be provided at the top or bottom of the fins 30. The air source may be a common air source of equipment installed by the heat exchange assembly, or an independent gas delivery machine may be used.

As shown in FIG. 6 to FIG. 10, in the technical solution of the first embodiment, the fins 30 are welded to the flat tube 20, or the fins 30 are clamped to the flat tube 20. The above structure can make the installation of the fins 30 more stable and reliable. The fins 30 are preferably welded to the flat tubes 20, and further, the fins 30 can be welded to the flat tubes 20 by brazing, so that the fins 30 are stabilized. Reliably installed behind the flat tube 20, at the same time, the appearance of the outer surface of the heat exchange component can be guaranteed.

As shown in FIG. 6 to FIG. 10, in the technical solution of the first embodiment, after the fins 30 are mounted on the flat tube 20, the outer surface of the heat exchange component is a radiation-enhanced surface, or the outer surface of the heat exchange component is provided with a coating. . The above structure can increase the amount of radiant heat exchange of the heat exchange component and improve comfort. The coating can also make the outer surface of the heat exchange module more beautiful. The coating is preferably sprayed with uniform and thin paints of various colors, and the color of the coating can be painted according to customers' preferences.

As shown in FIGS. 6 to 10, in the technical solution of the first embodiment, at least one side of the flat tube 20 is provided with fins 30. When fins 30 are provided on both sides of the flat tube 20, the fins 30 on both sides are along The flat tubes 20 are staggered in the length direction.

It is worth noting that the heat exchange module in this embodiment is generally installed vertically, and it is preferable that an included angle between the width direction of the flat tube 20 and the vertical direction is between 0-45 °.

The heat exchange component of the second embodiment, wherein the difference between the second embodiment and the first embodiment lies in:

As shown in FIG. 11, in the technical solution of the second embodiment, the first heat transfer portion 35 in this embodiment has a first strengthening portion 351, the second heat transfer portion 36 has a second strengthening portion 361, and the third heat transfer The section 37 includes a third reinforcing section 371.

The first strengthening portion 351 is composed of a plurality of groups of smaller and independent bulges. The structure of the bulges can be square, rectangular, triangular, or circular. The number, arrangement, and location of the bulges in the figure The size and size are just examples; the bulging part of this part also serves as a structural strengthening part.

The second strengthening portion 361 is composed of a bulging portion extending perpendicular to the air flow direction. The bulging portion spans two heat exchange units along the air flow direction. The bulging portion in this portion also functions as a structural strengthening portion.

The third strengthening part 371 is composed of a bulging part extending perpendicular to the air flow direction. The bulging part crosses two heat exchange units along the air flow direction. The bulging part in this part also functions as a structural strengthening part.

The heat exchange module of the third embodiment, wherein the third embodiment is different from the first embodiment in that:

As shown in FIG. 12, in the technical solution of the third embodiment, the first heat transfer portion 35 in this embodiment has a first strengthening portion 351, the second heat transfer portion 36 has a second strengthening portion 361, and the third heat transfer The section 37 includes a third reinforcing section 371.

The first reinforcing portion 351 is composed of a plurality of smaller and independent bulges and cut-and-raised parts. The structure of the bulges can be square, rectangular, triangular, or circular. The cut-and-raised parts are slit-shaped. It can also be in the shape of a louver. The number, arrangement and size of the bulges and cut-and-raised parts in the figure are just examples; the bulges in this part also have the function of structural reinforcement.

The second strengthening portion 361 is composed of a bulging portion extending perpendicular to the air flow direction. The bulging portion spans two heat exchange units along the air flow direction. The bulging portion in this portion also functions as a structural strengthening portion.

The third strengthening part 371 is composed of a bulging part extending perpendicular to the air flow direction. The structural strengthening part is composed of a convex part along the air flow direction, and the convex part crosses the two heat exchange units along the air flow direction. The number, arrangement, position, and size of the bulges and protrusions are just examples.

As shown in FIG. 13 to FIG. 17, a heat exchanger in the present invention includes a heat exchange component, and the heat exchange component is the heat exchange component described above. The above structure can make the air passage formed between the fins 30 in the heat exchanger more uniform and stable, and make the heat exchange between the fins 30 and the flat tubes 20 more uniform.

As shown in FIGS. 13 to 17, in the technical solution of the present invention, the heat exchanger further includes a casing 40, and the heat exchange component is disposed in the casing 40. As a result, the heat exchange module can be protected by the casing 40.

As shown in FIGS. 13 to 17, in the technical solution of the present invention, the housing 40 includes a front panel 41, and the front panel 41 includes a circulation portion 411 and a sealing portion 412, and the circulation portion 411 is located below the sealing portion 412. In the above structure, the fluid part is arranged to circulate the air, and the sealing plate is arranged to allow more air to enter between the fins 30 in the heat exchange assembly to ensure the heat exchange effect. Further, the outer surface of the sealing portion 412 may be subjected to a radiation-enhanced surface treatment or provided with a coating.

As shown in FIG. 13 to FIG. 17, in the technical solution of the present invention, the circulation part 411 is composed of a profile, a metal mesh, or a grid having a plurality of hole structures, and the sealing part 412 is composed of a single piece of profile or a plurality of pieces. Profile stitching. The above structure can make the circulation part 411 protect the heat exchange component and ensure the rapid circulation of air.

It is worth noting that the circulation part 411 and the sealing part 412 may be integrally processed and formed, or may be formed by splicing parts of two different materials. The sealing portion 412 and the heat exchange component portion are partially overlapped in the height direction and are higher than the heat exchange component. The height (H3) of the circulation portion 411, the height (H4) of the seal portion 412, and the total height (H0) of the heat exchange component Meet H3 + H4≥H0.

As shown in FIGS. 13 to 17, in the technical solution of the present invention, the outer surface of the sealing portion 412 is a flat surface, or the outer surface of the sealing portion 412 is provided with protrusions and / or grooves. After the protrusions and / or grooves are provided on the outer surface of the sealing portion 412 in the above structure, it can have higher strength.

As shown in FIGS. 13 to 17, in the technical solution of the present invention, the housing 40 further includes a rear panel 42, which is opposite to the front panel 41, and the rear panel 42 has the same structure as the front panel 41, or the rear panel 42 It is composed of a single profile, or the rear panel 42 is formed by splicing multiple profiles. The arrangement of the rear panel 42 can cooperate with the front panel 41 to make the heat exchange of the heat exchange component more stable and reliable.

As shown in FIG. 13 to FIG. 17, in the technical solution of the present invention, the front panel 41 and / or the rear panel 42 are spaced from the heat exchange component. The interval setting can prevent the front panel 41 and / or the rear panel 42 from squeezing or interfering with the fins 30. Especially when external force occurs, the fins 30 can be better protected. Specifically, the length of the gap existing between the front panel 41 and / or the rear panel 42 and the outside of the fin 30 of the heat exchange assembly may be set to W3. The value range of W3 can be set to 2 to 15 mm, and the preferred range is 5 to 10 mm.

As shown in FIGS. 13 to 17, in the technical solution of the present invention, the housing 40 further includes a right side plate 43 and a left side plate 44, the right side plate 43 and the left side plate 44 are oppositely disposed, and the right side plate 43 or the left side The side plate 44 is provided with a connection hole near the header 10. The above structure can make the installation of the casing 40 more stable and reliable, so as to ensure the safety of the heat exchange component. The connection holes are provided to facilitate the connection of the heat exchange module to the heat exchange system in which it is located.

As shown in FIG. 13 to FIG. 17, in the technical solution of the present invention, the housing 40 further includes an upper cover plate 45, which is composed of a plurality of sheet-like structures, and the cross-section of the sheet-like structure is arc or rectangular. . The above-mentioned structure can conduct wind, so that the air is introduced into the casing 40 through the sheet structure, so as to enter the heat exchange component for heat exchange.

As shown in FIGS. 13 to 17, in the technical solution of the present invention, the sheet-like structure is fixed on the rear panel 42, a plurality of sheet-like structures form a cavity flow channel, and the sheet-like structure is arranged at an angle with the rear panel 42 to Deflects the air flow in the cavity runner. The above structure can guide the direction of airflow, make the direction of the airflow entering the heat exchange module consistent with the length direction of the fins 30, or turn the direction of the airflow out of the heat exchange module to the indoor space, so that the airflow is more stable.

As shown in FIGS. 13 to 17, in the technical solution of the present invention, the housing 40 further includes a bottom plate 46, and the bottom plate 46 has at least one hole structure for air circulation. The bottom plate 46 can be arranged to receive heat exchange components, and the hole structure can be set to better circulate air.

As shown in FIGS. 13 to 17, in the technical solution of the present invention, the housing 40 further includes a fixing structure 47, which is a suspension structure provided outside the rear panel 42, or the fixing structure 47 is provided below the bottom plate 46. supporting structure. The arrangement of the fixed structure 47 in the above structure facilitates the installation of the heat exchanger. The suspension structure can be set to hang the heat exchanger on the wall or the inside of the equipment, and the support structure can place the heat exchanger on the ground.

As shown in FIG. 18, an air conditioner 50 according to the present invention includes a heat exchanger, and the heat exchanger is the heat exchanger described above.

It is worth noting that the air conditioner 50 in the present invention includes a make-up compressor 501, a four-way valve 502, an outdoor heat exchanger 503, an indoor liquid shut-off valve 504, a flasher 505, a first throttle element 506, and a second The throttle element 507, the first heat exchanger 508, the subcooler 509, the second heat exchanger 510, and the third heat exchanger 512. The above elements are connected to each other to form a refrigerant flow path, and the refrigerant flows in the flow path to realize a heating or cooling cycle.

Among the above components, the supplementary air compressor 501 is provided as a two-stage supplemental air compressor 501, the first heat exchanger 508 is the above-mentioned heat exchanger, and the second heat exchanger 510 and the third heat exchanger 512 are other forms of heat Exchangers, such as finned tube heat exchangers.

From the above description, it can be seen that the foregoing embodiment of the present invention achieves the following technical effects: the cooperation of the first header, the second header, and the flat tube 20 can form a fluid channel of the heat exchange component, and the fluid The channel communicates with the heat exchange system where the heat exchange assembly is located. The plane in which the width direction of the flat tube 20 is located is parallel to the axial direction of the first or second header, and the flat tube 20 can better fit with at least two headers 10. After the length direction of the fins 30 is the same as the width direction of the flat tube 20, the plurality of fins 30 will be arranged in parallel, so that the distance between the plurality of fins 30 is easier to control. The setting of the fixed-pitch structure can directly determine the distance between the fins 30 during the installation of the fins 30, and no additional tooling is required. In addition, the above structure can allow multiple fins 30 to be evenly mounted on the flat tube 20. This arrangement can make the air passage formed between the fins 30 more uniform and stable, and make the heat exchange between the fins 30 and the flat tube 20 more uniform. . The technical solution of the present invention effectively solves the problem that the fins 30 in the prior art cannot control the distance of the fins and requires additional tooling.

The above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (32)

A heat exchange component, comprising a heat exchange body, the heat exchange body includes: At least two headers (10), including a first header and a second header; A flat tube (20), a first end of the flat tube (20) is connected to the first header, a second end of the flat tube (20) is connected to the second header, and A first end of a refrigerant passage of the flat tube (20) is in communication with the first header, and a second end of the flat tube (20) is in communication with the second header; the flat tube ( 20) the plane in which the width direction is located is parallel to the axial direction of the first header or the second header; Multiple fins (30), the multiple fins (30) are mounted on the flat tube (20), and the length direction of the fins (30) is the same as the width direction of the flat tube (20) . The heat exchange module according to claim 1, wherein a fixed-pitch structure is provided on the fins (30), so that the plurality of fins (30) are arranged on the flat tube at intervals. On (20), there is a space between the fins (30) spaced apart to form an air passage, and the air in the air passage flows along the length direction of the fins (30). The heat exchange module according to claim 2, wherein the fins (30) include: Fin body (31), the fin (30) is a plate-like structure; A first notch portion (32), the first notch portion (32) is opened on a side of the fin body (31) near the flat tube (20), The outer surface of the flat tube (20) is adapted. The heat exchange module according to claim 3, wherein a first cut-and-raised portion (321) is provided at a position of the first notch portion (32), and the fixed-pitch structure includes the first cut-and-raised structure. The first cut-and-raised portion (321) is a portion of the fin body (31) originally located in the first notch portion (32) and cut and folded. The heat exchange module according to claim 3, wherein a third cut-and-raised portion and a fourth cut-and-raised portion are provided inside the first notch portion (32), and the third cut-and-raised portion and the fourth The cut-and-raised portion is adapted to the flat tube (20). The heat exchange assembly according to claim 4, wherein an end of the first cut-and-raised portion (321) remote from the fin body (31) is folded and forms a first folded portion (322). The heat exchange module according to claim 3, wherein the fin (30) further comprises a second notch (33), and the second notch (33) is provided on the fin body (31) ) Away from the side of the flat tube (20). The heat exchange module according to claim 7, wherein a second cut-and-raise portion (331) is provided at a position of the second notch portion (33), and the fixed-pitch structure further includes the second cut A raised portion (331), and the second cut-up portion (331) is formed by cutting and folding a part of the fin body (31) that was originally located in the second notch portion (33). The heat exchange assembly according to claim 8, wherein an end of the second cut-and-raised portion (331) remote from the fin body (31) is folded to form a second folded portion (332). The heat exchange module according to claim 9, characterized in that the plane where the first cut-and-raised portion (321) and / or the second cut-and-raised portion (331) are located and the length of the fin (30) The directions are parallel. The heat exchange module according to claim 8, characterized in that the first cut-and-raised portion (321) and / or the second cut-and-raised portion (331) is provided with a structural strengthening portion (34). The heat exchange module according to claim 3, wherein the fin body (31) comprises a first heat transfer portion (35), a second heat transfer portion (36), and a third heat transfer portion (37) The first heat transfer portion (35) and / or the second heat transfer portion (36) and / or the third heat transfer portion (37) are provided with a strengthening portion. The heat exchange module according to claim 12, wherein the reinforcing portion is a raised portion, a raised edge, or a bulged portion provided on the fin body (31). The heat exchange assembly according to claim 1, wherein the fins (30) cooperate with a plurality of the flat tubes (20), and the fins (30) have a plurality of heat exchange units, each Each of the heat exchange units corresponds to one of the flat tubes (20). The heat exchange module according to claim 14, characterized in that there is at least one cut-out portion (38) between adjacent heat exchange units. The heat exchange module according to claim 15, characterized in that when there are a plurality of cutout portions (38), there is a structural strengthening portion (34) between adjacent cutout portions (38). The heat exchange assembly according to claim 1, wherein the fins (30) are welded to the flat tube (20), or the fins (30) are clipped to the flat tube ( 20) on. The heat exchange module according to claim 1, wherein after the fins (30) are mounted on the flat tube (20), the outer surface of the heat exchange module is a radiation-enhanced surface, or, The outer surface of the heat exchange component is provided with a coating. The heat exchange assembly according to claim 1, wherein fins (30) are installed on at least one side of the flat tube (20), and the fins are provided on both sides of the flat tube (20) At (30), the fins (30) on both sides are staggered along the length direction of the flat tube (20). A heat exchanger includes a heat exchange component, wherein the heat exchange component is the heat exchange component according to any one of claims 1 to 19. The heat exchanger according to claim 20, wherein the heat exchanger further comprises a housing (40), and the heat exchange component is disposed in the housing (40). The heat exchanger according to claim 21, wherein the housing (40) includes a front panel (41), and the front panel (41) includes a circulation portion (411) and a sealing portion (412), The circulation portion (411) is located below the sealing portion (412). The heat exchanger according to claim 22, wherein the circulation portion (411) is formed by a profile, a metal mesh, or a grille with a plurality of hole structures, and the seal portion (412) is formed by a monolithic profile Structure, or spliced from multiple sections. The heat exchanger according to claim 23, wherein an outer surface of the sealing portion (412) is a flat surface, or an outer surface of the sealing portion (412) is provided with protrusions and / or grooves. The heat exchanger according to claim 22, wherein the housing (40) further comprises a rear panel (42), the rear panel (42) is disposed opposite to the front panel (41), and the The rear panel (42) has the same structure as the front panel (41), or the rear panel (42) is composed of a single profile, or the rear panel (42) is formed by splicing a plurality of profiles. The heat exchanger according to claim 25, wherein the front panel (41) and / or the rear panel (42) are spaced from the heat exchange component. The heat exchanger according to claim 25, wherein the housing (40) further comprises a right side plate (43) and a left side plate (44), the right side plate (43) and the left side The side plates (44) are oppositely arranged, and the right side plate (43) or the left side plate (44) is provided with a connection hole close to the header (10). The heat exchanger according to claim 27, wherein the casing (40) further comprises an upper cover plate (45), the upper cover plate (45) is composed of a plurality of sheet-like structures, and the sheet The cross section of the structure is arc or rectangular. The heat exchanger according to claim 28, wherein the sheet-like structure is fixed on the rear panel (42), a plurality of the sheet-like structures form a cavity flow channel, and the sheet-like structure and The rear panel (42) is arranged at an angle to deflect the air flow direction in the cavity flow channel. The heat exchanger according to claim 25, wherein the casing (40) further comprises a bottom plate (46), and the bottom plate (46) has at least one hole structure for air circulation. The heat exchanger according to claim 30, wherein the housing (40) further comprises a fixing structure (47), and the fixing structure (47) is a suspension provided outside the rear panel (42). Structure, or the fixed structure (47) is a support structure provided below the bottom plate (46). An air conditioner includes a heat exchanger, wherein the heat exchanger is the heat exchanger according to any one of claims 20 to 31.

Images