CN214470262U

CN214470262U - Plastic heat exchanger

Info

Publication number: CN214470262U
Application number: CN202023008154.5U
Authority: CN
Inventors: 钟宏龙; 郝拯民; 周伟和
Original assignee: DONGGUAN YANGTIAN ELECTRONIC TECHNOLOGY CO LTD
Current assignee: DONGGUAN YANGTIAN ELECTRONIC TECHNOLOGY CO LTD
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-10-22
Anticipated expiration: 2030-12-15

Abstract

The utility model belongs to the technical field of the indirect heating equipment, concretely relates to plastic heat exchanger, including casing and fin assembly, a plurality of fin assembly superpose in the casing, be formed with first wind channel between the adjacent fin assembly, fin assembly includes the first fin and the second fin of superpose, is formed with the second wind channel between first fin and the second fin. The utility model discloses light in weight, the environmental protection is durable, and is pollution-free, and is with low costs, and the installation is firm, easy to process, and the cycle is short to, it can effectively solve the problem that the hydrophilic layer of hot core drops easily, sealed uniformity is poor.

Description

Plastic heat exchanger

Technical Field

The utility model belongs to the technical field of the radiating equipment, concretely relates to plastic heat exchanger.

Background

At present, most of dividing wall type heat exchangers in the market are composed of a shell made of metal and a heat exchange core, and the heat exchange core is generally formed by stacking and pressing a plurality of metal sheets subjected to hydrophilic treatment and sealing the metal sheets by using a glue sealing process.

However, after the conventional hydrophilic metal sheet of the heat exchanger is processed, the hydrophilic layer is easy to fall off, and the sealing process of the conventional hydrophilic metal sheet is poor in consistency, so that the phenomena of corrosion and leakage of the hot core are easily caused, and the normal use of the heat exchanger is further influenced.

Meanwhile, the inventor finds that the existing metal heat exchanger is large in processing difficulty, long in processing period, too high in cost, environmentally-friendly and durable. Therefore, a new heat exchanger is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: aiming at the defects of the prior art, the plastic heat exchanger is provided, the problems that a hot core hydrophilic layer is easy to fall off and the sealing consistency is poor are effectively solved, and the plastic heat exchanger is light in weight, easy to process, short in period, low in cost, environment-friendly and pollution-free.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a plurality of fin assemblies are stacked in the shell, a first air channel is formed between every two adjacent fin assemblies, each fin assembly comprises a first fin and a second fin which are stacked, and a second air channel is formed between the first fin and the second fin.

Further, first fin with the second fin all is provided with a plurality of convex closure, first fin the convex closure with the second fin the convex closure dislocation set, first fin the convex closure with the second fin the convex closure has all played the effect of support and the effect of wind channel water conservancy diversion, and, a plurality of first fin the wind channel clearance has been formed between the convex closure, a plurality of second fin also the wind channel clearance has been formed between the convex closure, and the flow of air current can be accelerated to the wind channel clearance.

Furthermore, the first fin and the second fin are made of plastic, so that the weight and the processing cost of the heat exchanger are effectively reduced.

Furthermore, the first fin is welded to the second fin, and through a friction, pressurization, fusion and sealing process, the sealing stability of the hot core can be effectively improved, and the problems that the hydrophilic layer of the hot core is easy to fall off and the sealing consistency is poor are effectively solved.

Further, the first fin includes a first body portion and a first extension portion, the first extension portion is disposed at a side portion of the first body portion, the second fin is welded to the first extension portion, and the first body portion and the first extension portion are of an integrally formed structure.

Further, the second fin comprises a second body portion and a second extending portion, the second extending portion is disposed on a side portion of the second body portion, the first body portion is provided with a welding region corresponding to the second extending portion, and the first extending portion is welded to the second body portion, wherein the second body portion and the second extending portion are of an integrally formed structure, and in two adjacent fin assemblies, the second fin of a first fin assembly is welded to the first fin of a second fin assembly, that is, the second extending portion of the first fin assembly is welded to the welding region of the first body portion of the second fin assembly, so that the plurality of fin assemblies are welded and sealed.

Further, the first fins are provided with a plurality of first convex ribs, the second fins are provided with a plurality of second convex ribs, the first convex ribs are perpendicular to the second convex ribs, so that the first air channels and the second air channels of the hot cores form cross flow, and the first convex ribs and the second convex ribs respectively play a role in increasing the structural strength and the heat dissipation area of each fin.

Furthermore, the plurality of first convex ribs are uniformly distributed on the first body part, the plurality of second convex ribs are uniformly distributed on the second body part, and the height direction of the first convex ribs, the height direction of the second convex ribs and the height direction of the convex hulls are the same.

Further, the periphery of the shell is provided with an opening, the first air duct and the second air duct are communicated with the opening, and the number of the openings can be one or more.

Furthermore, the shell comprises an upper cover plate, a lower cover plate and a plurality of connecting beams, two ends of the plurality of connecting beams are fixedly connected with the upper cover plate and the lower cover plate respectively, and the plurality of fin assemblies are stacked between the upper cover plate and the lower cover plate.

The beneficial effects of the utility model reside in that: the utility model discloses a casing and fin assembly, a plurality of fin assembly superpose in the casing, be formed with first wind channel between the adjacent fin assembly, fin assembly includes the first fin and the second fin of superpose, be formed with the second wind channel between first fin and the second fin, first wind channel is used for the heat dissipation between the adjacent fin assembly, the second wind channel is used for the heat dissipation on surface between first fin and the second fin, under the common radiating effect in first wind channel and second wind channel, the water conservancy diversion ability in wind channel is strong, the radiating efficiency of heat exchanger is high, and the demand of quick exchange heat has been satisfied.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is an exploded schematic view of a plurality of fin assemblies according to embodiment 1 of the present invention.

Fig. 3 is a schematic structural diagram of a first fin and a schematic wind direction diagram of a first wind channel according to embodiment 1 of the present invention.

Fig. 4 is a schematic structural diagram of a second fin and a schematic wind direction diagram of a second wind channel according to embodiment 1 of the present invention.

Fig. 5 is a plan view of a first fin according to embodiment 1 of the present invention.

Fig. 6 is a schematic structural diagram of a housing according to embodiment 1 of the present invention.

Wherein: 1-a shell; 2-a fin assembly; 10-open mouth; 11-an upper cover plate; 12-a lower cover plate; 13-connecting the beams; 21-a first fin; 22-a second fin; 23-convex hull; 101-a first air duct; 102-a second air duct; 211-a first body portion; 212-a first extension; 213-a fusion zone; 214-a first bead; 221-a second body portion; 222-a second extension; 223-a second bead; t-wind direction of the first wind channel; f-wind direction of the second wind channel.

Detailed Description

As used in this specification and the appended claims, certain terms are used to refer to particular components, and it will be appreciated by those skilled in the art that a manufacturer may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal "and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, detachable connections, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings 1 to 6 and the specific embodiments, but the present invention is not limited thereto.

Example 1

A plastic heat exchanger is shown in figures 1-2 and comprises a shell 1 and fin assemblies 2, wherein the fin assemblies 2 are stacked in the shell 1, a first air duct 101 is formed between every two adjacent fin assemblies 2, each fin assembly 2 comprises a first fin 21 and a second fin 22 which are stacked, a second air duct 102 is formed between the first fin 21 and the second fin 22, and the thickness of each first fin 21 and the thickness of each second fin 22 can be 0.1-0.6 mm.

Moreover, as shown in fig. 3 to 4, the first fin 21 and the second fin 22 are both provided with a plurality of convex hulls 23, the convex hulls 23 of the first fin 21 and the convex hulls 23 of the second fin 22 are arranged in a staggered manner, wherein the convex hulls 23 can be in the shape of an elliptic cylinder, a square, a cylinder, a teardrop, a prism or a frustum of a prism, the height of the convex hulls 23 is 1.5mm to 7mm, the convex hulls 23 play a role in supporting the fins and guiding the air flow through the air duct, and meanwhile, air duct gaps are formed among the convex hulls 23, so that the air flow can efficiently flow in the air duct gaps, and the inner and outer circulating air flows generate a temperature difference to further rapidly exchange heat.

Preferably, the first fin 21 and the second fin 22 are made of plastic, and the plurality of fin assemblies 2 are made of plastic, so that the weight and the processing cost of the heat exchanger are effectively reduced.

Preferably, the first fin 21 is welded to the second fin 22, and when the first fin 21 and the second fin 22 are both square with the same size, the first fin 21 and the second fin 22 can be horizontally rotated by 180 ° with respect to the second fin 22, and then the first fin 21 and the second fin 22 are sealed and laminated by means of alternate friction, pressure, fusion and lamination, so that the heat exchanger forms two different first air ducts 101 and second air ducts 102.

As shown in fig. 5, the first fin 21 includes a first body portion 211 and a first extension portion 212, the first extension portion 212 is disposed on a side portion of the first body portion 211, the second fin 22 is welded to the first extension portion 212, the second fin 22 includes a second body portion 221 and a second extension portion 222, the second extension portion 222 is disposed on a side portion of the second body portion 221, the first body portion 211 is provided with a welding region 213 corresponding to the second extension portion 222, and the first extension portion 212 is welded to the second body portion 221, wherein the first body portion 211 and the first extension portion 212 are an integrally formed structure, and the second body portion 221 and the second extension portion 222 are also an integrally formed structure.

Preferably, the first fin 21 is provided with a plurality of first ribs 214, the second fin 22 is provided with a plurality of second ribs 223, the plurality of first ribs 214 are parallel to each other, the plurality of second ribs 223 are parallel to each other, the first ribs 214 are perpendicular to the second ribs 223, the number of the first ribs 214 and the number of the second ribs 223 can be 4-10, moreover, the heights of the first convex rib 214 and the second convex rib 223 are both 0.05 mm-0.5 mm, the wind direction T of the first wind channel 101 is parallel to the extending direction of the first convex rib 214, the wind direction F of the second wind channel 102 is parallel to the extending direction of the second convex rib 223, the first wind channel 101 and the second wind channel 102 form cross flow, and the heat dissipation effect is excellent, meanwhile, the plurality of first ribs 214 are uniformly distributed on the first body part 211, and the plurality of second ribs 223 are uniformly distributed on the second body part 221, so that the heat dissipation stability of the heat exchanger is effectively promoted.

Preferably, as shown in fig. 6, an opening 10 is provided on the peripheral side of the casing 1, the first air duct 101 and the second air duct 102 are both communicated with the opening 10, the casing 1 includes an upper cover plate 11, a lower cover plate 12 and a plurality of connecting beams 13, two ends of the plurality of connecting beams 13 are respectively fixedly connected with the upper cover plate 11 and the lower cover plate 12, the plurality of fin assemblies 2 are stacked between the upper cover plate 11 and the lower cover plate 12, the casing 1 is stable and firm, and the safe operation of the heat exchanger is guaranteed.

Example 2

The present embodiment is different from embodiment 1 in that the shape of the first fin 21 includes, but is not limited to, a triangle, a parallelogram, an ellipse, or a circle, and the shape of the second fin 22 is the same as the shape of the first fin 21.

Other structures of this embodiment are the same as those of embodiment 1, and are not described herein again.

Obviously, the utility model discloses the installation is firm, reliable and stable, and its is with low costs, and light in weight has the durable performance of environmental protection to, its radiating effect is good, can promote thermal exchange fast.

Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. A plastic heat exchanger, comprising:

a housing (1);

a plurality of fin assemblies (2) stacked in the shell (1);

a first air duct (101) is formed between the adjacent fin assemblies (2);

the fin assembly (2) comprises a first fin (21) and a second fin (22) which are stacked, and a second air duct (102) is formed between the first fin (21) and the second fin (22).

2. A plastic heat exchanger as claimed in claim 1, wherein: the first fin (21) and the second fin (22) are provided with a plurality of convex hulls (23), and the convex hulls (23) of the first fin (21) and the convex hulls (23) of the second fin (22) are arranged in a staggered mode.

3. A plastic heat exchanger as claimed in claim 1, wherein: the first fin (21) and the second fin (22) are both made of plastics.

4. A plastic heat exchanger according to any of claims 1 to 3, wherein: the first fin (21) is welded to the second fin (22).

5. A plastic heat exchanger according to claim 4, wherein: the first fin (21) includes a first body portion (211) and a first extension portion (212), the first extension portion (212) is provided at a side portion of the first body portion (211), and the second fin (22) is welded to the first extension portion (212).

6. A plastic heat exchanger as claimed in claim 5, wherein: the second fin (22) includes a second body portion (221) and a second extension portion (222), the second extension portion (222) is provided at a side portion of the second body portion (221), the first body portion (211) is provided with a welding region (213) for corresponding to the second extension portion (222), and the first extension portion (212) is welded to the second body portion (221).

7. A plastic heat exchanger as claimed in claim 6, wherein: the first fin (21) is provided with a plurality of first ribs (214), the second fin (22) is provided with a plurality of second ribs (223), and the first ribs (214) are perpendicular to the second ribs (223).

8. A plastic heat exchanger as claimed in claim 7, wherein: the plurality of first ribs (214) are uniformly distributed on the first body portion (211), and the plurality of second ribs (223) are uniformly distributed on the second body portion (221).

9. A plastic heat exchanger as claimed in claim 1, wherein: the periphery of the shell (1) is provided with an opening (10), and the first air duct (101) and the second air duct (102) are communicated with the opening (10).

10. A plastic heat exchanger as claimed in any one of claims 1 or 9, wherein: the shell (1) comprises an upper cover plate (11), a lower cover plate (12) and a plurality of connecting beams (13), the two ends of each connecting beam (13) are fixedly connected with the upper cover plate (11) and the lower cover plate (12) respectively, and the fin assemblies (2) are stacked between the upper cover plate (11) and the lower cover plate (12).