CN217504428U

CN217504428U - Engineering machinery water radiator adopting pressed twill rib fins

Info

Publication number: CN217504428U
Application number: CN202221613288.6U
Authority: CN
Inventors: 陈加贵
Original assignee: Yangzhou Tongyu Radiator Co ltd
Current assignee: Yangzhou Tongyu Radiator Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-09-27
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses an engineering machine tool water radiator of twill muscle fin is pressed in adoption relates to radiator technical field, include: the heat dissipation water pipes are arranged at intervals, and a plurality of pits are arranged on the outer wall of each heat dissipation water pipe at intervals; and the radiating fins are arranged between the adjacent radiating water pipes. The utility model provides a current water radiator heat exchange efficiency low and the big technical problem of weight.

Description

Engineering machinery water radiator adopting pressed twill rib fins

Technical Field

The utility model relates to a radiator technical field especially relates to an adopt engineering machine tool water radiator of pressing twill muscle fin.

Background

The engineering machinery water radiator of the current state II/state III emission stage generally adopts the radiator of plate-fin seal structure, and the heat dissipation water pipe adopts seal and shrouding combination to form, and the radiating fin generally adopts corrugated fin:

along with the implementation of the engineering machinery in the national stage IV, the engineering machinery water radiator is required to have a higher heat exchange coefficient and a smaller pressure drop on the air side under the condition of wind speed of 4-8 m/s, and has stronger dust blockage prevention and anti-scaling capability under a poorer working environment, and in addition, the requirement of light weight is also met.

Therefore, it is necessary to design a fin which has a high heat transfer coefficient, is not easily clogged in a severe environment such as dust, and is easily mass-produced by an automated apparatus.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an engineering machine tool water radiator who adopts pressure twill muscle fin has solved the technical problem that prior art normal water radiator heat exchange efficiency is low and weight is big.

The embodiment of the application discloses engineering machine tool water radiator that adopts pressure twill muscle fin includes:

the heat dissipation water pipes are arranged at intervals, and a plurality of pits are arranged on the outer wall of each heat dissipation water pipe at intervals;

and the heat radiating fins are arranged between the adjacent heat radiating water pipes.

This application embodiment designs the heat dissipation water pipe, is provided with the pit on its surface, forms the turbolator, improves heat dispersion.

On the basis of the technical scheme, the embodiment of the application can be further improved as follows:

furthermore, the heat dissipation water pipe is the flat pipe of aluminium matter, adopts this step beneficial effect to replace the strip of paper used for sealing structure to this reduces whole quality.

Furthermore, the inner diameter of the pit gradually decreases from top to bottom, and the beneficial effect of the method is that turbulence can be realized through the pit.

Furthermore, the cross section of the concave pit is in a trapezoid shape, a triangle shape or an arc groove shape.

Further, the radiating fins are trapezoidal radiating fins with the inclined ribs pressed, and the beneficial effect of the step is that the radiating efficiency can be further improved through the radiating fins of the type.

Further, the heat dissipating fin includes:

a plurality of heat transfer sheets which are arranged in sequence at intervals;

the connecting pieces are arranged between the end parts of the adjacent heat transfer pieces in a staggered manner, so that a continuous trapezoidal structure is formed between the top ends of the adjacent heat transfer pieces and between the bottom ends of the adjacent heat transfer pieces;

wherein, evenly be provided with a plurality of twill protruding muscle along length direction on the heat transfer piece, the twill protruding muscle is including the first inclined plane and the second inclined plane that are connected, the cooperation of first inclined plane and second inclined plane forms convex V type convex surface outwards, and the connecting wire on first inclined plane and second inclined plane for the length direction slope setting on heat transfer piece.

Furthermore, an included angle a is formed between a connecting line of the first inclined surface and the second inclined surface and the length direction of the heat transfer sheet, and a is larger than or equal to 30 degrees.

Furthermore, the amplitude of the twill convex rib is b, and b is more than or equal to 1.051 mm; the wavelength is c, and c is more than or equal to 3.6 mm; the beneficial effect of the step is that the heat dissipation effect is improved by designing the specific parameters of the heat dissipation fins.

One or more technical solutions provided by the present application have at least the following technical effects or advantages:

1. this application designs the heat dissipation water pipe, is provided with the pit on its surface for the inside automatic generation turbolator of pipe wall, reinforcing heat dispersion improves the radiating effect.

2. This application adopts the heat dissipation water pipe to replace current strip of paper used for sealing structure to this reduces the holistic weight of product, thereby is convenient for assemble.

3. This application adopts the trapezoidal radiating fin who presses the twill muscle, becomes the turbulent flow with laminar flow state, forces fin and water pipe surface to attach the surface course separation to this improves the radiating effect.

4. This application simple structure, convenient operation, the heat transfer is effectual simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a water radiator for engineering machinery using a pressed twill rib fin according to an embodiment of the present invention;

FIG. 2 is a schematic view of the heat-dissipating water pipe shown in FIG. 1;

FIG. 3 is a schematic structural diagram of the heat dissipating fin shown in FIG. 1;

FIG. 4 is a left side view of the fin of FIG. 1;

FIG. 5 is a schematic simulation comparing the present application with a prior art water radiator;

FIG. 6 is a schematic diagram of yet another simulation comparing the present application with a prior art water radiator;

reference numerals:

1-a heat dissipation water pipe; 2-radiating fins;

101-pits;

201-heat transfer sheets; 202-connecting piece; 203-inclined rib; 204 — a first bevel; 205-a second bevel; 206-V convex.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "upper", "lower", 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 simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the detailed description.

Example (b):

as shown in FIGS. 1-4, the embodiment of the application discloses a water radiator for engineering machinery, which adopts a pressed diagonal rib fin, can improve the heat dissipation effect, and the concrete structure of the water radiator comprises:

the heat dissipation water pipes 1 are arranged at intervals, a plurality of pits 101 are arranged at intervals on the outer wall of each heat dissipation water pipe 1, and the pits 101 are convenient for forming turbolators, so that the heat exchange effect is improved;

the heat dissipation water pipes 1 are arranged in parallel, and the heat dissipation water pipes 1 are arranged in parallel.

The heat dissipation water pipe 1 is an aluminum flat pipe, so that the processing and the production are convenient, pit pressing treatment is convenient to perform on the surface of the heat dissipation water pipe, and the inner diameter of the pit 101 is gradually reduced from top to bottom, so that a turbolator is convenient to form, and the heat dissipation performance can be enhanced.

In one embodiment, the cross section of the pit 101 is a trapezoid, a triangle or a circular arc groove, and the specific shape and structure of the pit 101 are convenient for production; in the actual production, a series of regular pits can be pressed on the wall surface of the flat pipe through a high-speed flat pipe forming and manufacturing machine and a mould; through subsequent simulation, the heat exchange coefficient of the heat dissipation water pipe with the pit 101 is improved by nearly 8%, and the heat dissipation performance is improved by 6%.

In another embodiment, the heat dissipation fins 2 are trapezoidal heat dissipation fins with diagonal ribs.

Wherein, the heat radiation fin 2 includes:

a plurality of heat transfer fins 201 arranged in sequence at regular intervals;

a plurality of connecting pieces 202 arranged between the end portions of the adjacent heat transfer fins 201, wherein the connecting pieces 202 are arranged alternately between the top ends of the adjacent heat transfer fins 201 and between the bottom ends of the adjacent heat transfer fins 201 to form a continuous trapezoidal structure;

wherein, evenly be provided with a plurality of twill protruding ribs 203 along length direction on the heat transfer sheet 201, twill protruding ribs 203 is including the first inclined plane 204 and the second inclined plane 205 that are connected, first inclined plane 204 and the cooperation of second inclined plane 205 form outside convex V type convex surface 206, and the connecting line on first inclined plane 204 and second inclined plane 205 for the length direction slope setting of heat transfer sheet 202, V type convex surface 206 through the transition face unit with heat transfer sheet surface connection forms the connection face.

Wherein an included angle a is formed between a connecting line of the first inclined surface 204 and the second inclined surface 205 and the length direction of the heat transfer sheet 201, a is more than or equal to 30 degrees, and is preferably 30 degrees; the amplitude of the twill convex rib 203 is b, b is greater than or equal to 1.051mm, and is preferably 1.051 mm; the wavelength is c, c is greater than or equal to 3.6mm, preferably 3.6 mm. The fin in this application adopts the trapezoidal radiating fin who presses the twill muscle, is to press parallel obliquely protruding muscle and concave muscle on trapezoidal straight fin, and after cooling air passed through oblique protruding muscle and concave muscle, cooling air took place the disturbance, becomes the turbulent flow from laminar flow state, forces the boundary layer separation on fin and water pipe surface, compares with traditional corrugated fin, and heat transfer coefficient has improved 7%, and the windage has improved 5%, and the dust can keep level basically through the ability simultaneously.

The water radiator and the existing sealing strip type water radiator are simulated (under the condition of the same size and material), the following simulation graph is obtained through analysis, and the simulation graphs 5 and 6 can show that the water radiator in the application has larger heat exchange coefficient and larger wind resistance compared with the existing sealing strip type water radiator.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides an adopt engineering machine tool water radiator who presses twill muscle fin which characterized in that includes:

2. The water radiator according to claim 1, wherein the heat-radiating water pipe is an aluminum flat pipe.

3. The water heat sink as claimed in claim 2, wherein the inner diameter of the recess is gradually decreased from top to bottom.

4. The water heat sink as claimed in claim 3, wherein the cross-section of the concave pit is a trapezoid, a triangle or a circular arc groove.

5. The water heat sink as recited in claim 1, wherein said fins are trapezoidal fins with rolled ribs.

6. The water heat sink as recited in claim 5, wherein the heat dissipating fins comprise:

wherein, evenly be provided with a plurality of twill protruding muscle along length direction on the heat transfer piece, the twill protruding muscle is including the first inclined plane and the second inclined plane that are connected, the cooperation of first inclined plane and second inclined plane forms outside convex V type convex surface, and the connecting wire on first inclined plane and second inclined plane for the length direction slope setting of heat transfer piece.

7. The water radiator of claim 6, wherein an angle a is formed between a connecting line of the first inclined surface and the second inclined surface and the length direction of the heat transfer sheet, and a is more than or equal to 30 degrees.

8. The water radiator of claim 7, wherein the amplitude of the twill ribs is b, and b is greater than or equal to 1.051 mm; the wavelength is c, and c is more than or equal to 3.6 mm.