CN204534886U - A kind of radiator and air-conditioner - Google Patents

Abstract

The utility model provides a kind of radiator and air-conditioner, relates to air-conditioner technical field, can improve radiating efficiency.Described radiator comprises substrate and multiple row fin, described multiple row fin is located on described substrate side by side, and the described fin of arbitrary row includes the multiple fins be arranged side by side, in the described fin of arbitrary row, have gap between fin described in adjacent two, adjacent two row fins are staggered.The utility model provides a kind of radiator for air-conditioner.

Description

A kind of radiator and air-conditioner

Technical field

The utility model relates to air-conditioner technical field, particularly relates to a kind of radiator and air-conditioner.

Background technology

Along with widely using of air-conditioner, people are also more and more higher for the requirement of household air-conditioner, air-conditioner inside is provided with multiple electronic devices and components usually, generally these electronic devices and components are integrated in air-conditioner outdoor unit, due in the running of air-conditioner, electronic devices and components can produce a large amount of heats, cause electronic devices and components temperature rise too high, this can affect the normal work of air-conditioner, and reduce the life-span of electronic devices and components, in prior art, generally come to lower the temperature to electronic devices and components by radiator, existing radiator generally includes the multiple row fin 200 on substrate 100 and substrate 100, each row includes multiple fin 200, between the two adjacent fins 200 in same row fin 200, there is gap 300, heat is walked by the fluxion strap of air-flow in gap 300, realize heat radiation.

But in existing radiator, see figures.1.and.2, adjacent two row fin 200 one_to_one corresponding of each fin 200 are arranged, in two adjacent row fins 200, gap 300 in one row fin 200 and gap 300 one_to_one corresponding of another row fin 200, from heat transfer theory, when air flows through fin 200 surface different from its temperature, the temperature boundary layer with thermograde can be formed on fin 200 surface, the thickness of described temperature boundary layer constantly thickens along air-flow direction, the thicker thermograde then in it of described temperature boundary layer is less, heat-transfer effect is poorer, according to heat transfer by heat conduction formula: for heat flow, λ is thermal conductivity factor, A is heat transfer area, dt represents the temperature difference on infinitesimal thickness two sides, dx represents infinitesimal thickness, in the prior art, air radiator gap 300 in, without hindrancely to pass through, make temperature boundary layer thicker, thermograde is less, heat-transfer effect has much room for improvement, in addition, although the mode by reducing spacing of fin reaches the object of thinning boundary temperature layer, but its effect is very limited, and reduction spacing of fin can make air flux in radiator reduce, reduce the heat transfer total amount of single fin, make to need to increase the heat transfer total amount that number of fins ensures radiator, thus cause cost to increase.

Utility model content

Embodiment of the present utility model provides a kind of radiator and air-conditioner, can improve radiating efficiency.

For achieving the above object, embodiment of the present utility model adopts following technical scheme:

A kind of radiator, comprise substrate and multiple row fin, described multiple row fin is located on described substrate side by side, the described fin of arbitrary row includes the multiple fins be arranged side by side, in the described fin of arbitrary row, have gap described in adjacent two between fin, adjacent two row fins are staggered.

A kind of air-conditioner, comprises the radiator described in technique scheme.

The radiator that the utility model provides and air-conditioner, because the described fin of adjacent two row of described radiator is staggered, make in the described fin of adjacent two row, air-flow flows out from the gap of the described fin of row, arranged described fin by another to split, form the different air-flow in two bursts of directions to enter described another and arrange in the gap of described fin, in the process, air-flow Unsteady stream mistake, but there is disturbance with in the gap of described fin, air not only flows also in the flowing described in adjacent two between fin along the direction of described fin surface, thus make the air in described gap form " turbulent flow ", according to heat transfer theory, when air flows through the described fin surface different from its temperature, the temperature boundary layer with thermograde can be formed at described fin surface, the thickness of described temperature boundary layer constantly thickens along air-flow direction, the thinner thermograde then in it of described temperature boundary layer is larger, heat-transfer effect is better, the air of " turbulent flow " that formed in described fin can make described temperature boundary layer thickness thinning, improve the temperature difference, the temperature difference dt of described fin and air stream interface is increased, heat transfer is according to heat transfer by heat conduction formula: Q=-λ A × (dt/dx), temperature difference dt increases, the heat of the exchange then between described fin and air increases, thus the heat exchange efficiency of described fin is improved, simultaneously, because described fin is to the dissection of air-flow, air velocity is reduced, make the heat exchange of air and described fin more abundant, be conducive to the raising of radiator heat-dissipation efficiency, simultaneously, thinning described temperature boundary layer mode is carried out compared to by reducing described spacing of fin, the thinning effect of scheme of the present utility model to described temperature boundary layer is more obvious, and avoid increase described fin quantity to ensure the radiating efficiency of described radiator, be conducive to reducing cost.Thus, radiating efficiency can be improved.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is the schematic diagram of existing radiator;

Fig. 2 is the partial view in A portion in Fig. 1;

The schematic diagram of the first embodiment of the radiator that Fig. 3 provides for the utility model;

Fig. 4 is the partial view in B portion in Fig. 3;

The schematic diagram of the second embodiment of the radiator that Fig. 5 provides for the utility model;

Fig. 6 is the partial view in C portion in Fig. 5.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, and all belong to the scope of the utility model protection, the arrow in each accompanying drawing is for representing airflow direction.

In description of the present utility model, it will be appreciated that, term " " center ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.

With reference to Fig. 3 ~ Fig. 6, the radiator that the utility model provides comprises substrate 1 and multiple row fin 2, multiple row fin 2 is located on substrate 1 side by side, wherein, arbitrary row fin 2 includes multiple fin 2 be arranged side by side, and in arbitrary row fin 2, has gap 3 between adjacent two fins 2, meanwhile, adjacent two row fins 2 are staggered.

In the radiator described in the present embodiment, because adjacent two row fins 2 are staggered, make in two adjacent row fins 2, air-flow flows out from the gap 3 of a row fin 2, split by another row fin 2, forming the different air-flow in two bursts of directions enters in the gap 3 of another row fin 2 described, in the process, air-flow Unsteady stream mistake, but there is disturbance with in the gap 3 of fin 2, air not only flows along the direction on fin 2 surface, flowing also between adjacent two fins 2, thus make the air in gap 3 form " turbulent flow ", according to heat transfer theory, when air flows through fin 2 surface different from its temperature, the temperature boundary layer with thermograde can be formed on fin 2 surface, the thickness of described temperature boundary layer constantly thickens along air-flow direction, the thinner thermograde then in it of described temperature boundary layer is larger, heat-transfer effect is better, the air of " turbulent flow " that formed in fin 2 can make described temperature boundary layer thickness thinning, improve the temperature difference, fin 2 is increased with the temperature difference dt of air stream interface, heat transfer is according to heat transfer by heat conduction formula: Q=-λ A × (dt/dx), temperature difference dt increases, the heat of the exchange then between described fin and air increases, thus the heat exchange efficiency of fin 2 is improved, simultaneously, due to the dissection of fin 2 pairs of air-flows, air velocity is reduced, but do not reduce the flux of air, thus make the heat exchange of air and fin 2 more abundant, be conducive to the raising of radiator heat-dissipation efficiency, simultaneously, thinning described temperature boundary layer mode is carried out compared to by reducing fin 2 spacing, the thinning effect of scheme of the present utility model to described temperature boundary layer is more obvious, and avoid and increase the quantity of fin 2 to ensure the radiating efficiency of described radiator, be conducive to reducing cost.Thus, radiating efficiency can be improved.

Concrete, the staggered mode of adjacent two row fin 2 has multiple:

(1), with reference to Fig. 3 and Fig. 4, the first embodiment of the radiator that Fig. 3 and Fig. 4 provides for the utility model, adjacent two row fin 2 one_to_one corresponding are arranged on substrate 1, and corresponding two fins 2 align with the bottom surface of substrate 1 and arrange, simultaneously, adjacent two row fin 2 relative tilts, and in predetermined angular, described predetermined angular is not 0 °, namely adjacent two row fins 2 are not parallel, the air flowed out from the gap 3 of a row fin 2 is cut by an adjacent row fin 2, thus can be formed described " turbulent flow ", thus raising radiating efficiency, concrete principle is with reference to describing above.

In the first embodiment described, in order to ensure air uniformly by each gap 3, multiple fins 2 of same row can be made to be set in parallel on substrate 1, thus each gap 3 is parallel to each other, make air can be more uniform by different gaps 3, thus make each fin 2 more even with the heat exchange of air, prevent the temperature contrast between different fin 2 excessive.

Wherein, described radiator can comprise two row or two and arrange above multiple row fin 2, such as: described radiator comprises the three row fins 2 be arranged side by side, the two row fins 2 being positioned at both sides are all obliquely installed on substrate 1, be positioned at a middle row fin 2 to be vertically installed on substrate 1, and the two row fins 2 being positioned at both sides are all described predetermined angular with the row fin 2 being positioned at centre, wherein, two row fins 2 of both sides can tilt in the same way, or reversed dip.

(2), with reference to Fig. 5 and Fig. 6, the second embodiment that Fig. 5 and Fig. 6 provides for the utility model, wherein, in the described fin 2 of adjacent two row, gap 3 and another row fin 2 one_to_one corresponding of one row fin 2, make the air flowed out from the gap 3 of a row fin 2 be cut by another row fin 2, thus can be formed described " turbulent flow ", thus raising radiating efficiency, concrete principle is with reference to describing above.

In described the second embodiment, each fin 2 all can be vertically installed on substrate 1, and make each gap 3 equal and opposite in direction, thus make air uniformly by each gap 3, ensure that each described fin can Homogeneouslly-radiating.

In the various embodiments described above, the surface of fin 2 all can be plane (with reference to Fig. 3 ~ Fig. 6) or corrugated surface (not shown), when the surface of fin 2 is corrugated surface, the contact area of fin 2 and air can be increased, heat exchange efficiency is improved further, simultaneously, due in the radiator of the various embodiments described above, air forms " turbulent flow " in gap 3, air can be avoided to be detained in the bottom of described ripple, the contact of air and fin 2 can be made more abundant, be conducive to improving heat exchange efficiency.

And be convenient to install to simplify structure, 4 fins 2 can be made one-body molded with substrate 1.

A kind of air-conditioner, comprise the radiator described in above-mentioned any embodiment, due to the radiator that uses in the air-conditioner described in the present embodiment and above-mentioned radiator embodiment described in radiator identical, therefore, therefore the two can solve identical technical problem, and reaches identical Expected Results.

The above; be only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.

Claims (9)

1. a radiator, is characterized in that, comprises substrate and multiple row fin, described multiple row fin is located on described substrate side by side, and the described fin of arbitrary row includes the multiple fins be arranged side by side, in the described fin of arbitrary row, have gap between fin described in adjacent two, adjacent two row fins are staggered.

2. radiator according to claim 1, is characterized in that, the described fin one_to_one corresponding of adjacent two row is arranged, and the described fin of adjacent two row is predetermined angular, and described predetermined angle is not equal to 0 °.

3. radiator according to claim 1, is characterized in that, in the described fin of adjacent two row, the row gap of described fin and another arrange described fin one_to_one corresponding and arrange.

4. radiator according to claim 2, is characterized in that, the multiple described fin of same row is set in parallel on described substrate.

5. radiator according to claim 3, is characterized in that, each described fin is all vertically installed on described substrate.

6. radiator according to claim 2, it is characterized in that, described multiple row fin comprises the described fin of three row be arranged side by side, the described fin of two row being positioned at both sides is all obliquely installed on described substrate, be positioned at the middle described fin of row to be vertically installed on described substrate, and the described fin of two row being positioned at both sides all arranges described fin be positioned at centre one is described predetermined angle.

7. the radiator according to any one of claim 1 ~ 6, is characterized in that, the surface of described fin is plane or corrugated surface.

8. radiator according to claim 7, is characterized in that, described fin and described substrate one-body molded.

9. an air-conditioner, is characterized in that, comprises the radiator according to any one of claim 1 ~ 8.