CN104315912B - Shutter type radiating fin and heat exchanger - Google Patents

Abstract

The invention discloses a louver type radiating fin and a heat exchanger. The louver type radiating fin comprises a radiating fin body, wherein a plurality of groups of radiating fins and a plurality of radiating tube installing grooves used for installing radiating tubes are arranged on the radiating fin body, the radiating fins comprise louver fins and flat fins, and the flat fins and the louver fins are sequentially arranged along the airflow flowing direction. The louver type radiating fin and the heat exchanger can reduce wind resistance and power consumption of the whole machine on the premise of meeting the heat exchange requirement.

Description

Louvered fin and heat exchanger

Technical field

The present invention relates to a kind of air-conditioning heat exchanger, in particular to a kind of venetian blind type heat radiation Sheet and heat exchanger.

Background technology

Now widely used louvered fin, is distributed with etc. close at its windward side and leeward side The shutter turbulence structure of degree, although existing louvered fin can meet the requirement of heat dispersion, But owing to there is the problem that airflow pressure losses is big, windage is high, cause power of fan increase, whole Machine power consumption increases.

Stream the design of unit for shutter uniform before and after conventional louvered fin, cause windage The problem excessive with power consumption, meets the requirement reducing power consumption.This defect is improved by the present invention, On the premise of meeting exchange capability of heat, reduce the purpose of power consumption.

Summary of the invention

The embodiment of the present invention provides a kind of louvered fin and heat exchanger, it is possible to reduce wind Resistance and the power consumption of complete machine.

For solving above-mentioned technical problem, the embodiment of the present invention provides a kind of louvered fin, Including fin, described fin is provided with many group radiating fins and many for installing radiating tube Individual radiating tube mounting groove, often organizes described radiating fin and includes louvered fin peace fin, described Flat fin and described louvered fin set gradually along air current flow direction.

As preferably, between described flat fin and described louvered fin, it is provided with dividing plate, described flat Fin is located at the windward side of described dividing plate, and described louvered fin is located at the leeward side of described dividing plate.

As preferably, described flat fin is obliquely installed on described fin, described flat fin with Angle between air current flow direction is less than 90 °.

As preferably, described fin being additionally provided with air and streams unit, described air streams Yuan Bao Include be located on described fin stream plate around what discharge orifice was connected around discharge orifice with described.

As preferably, along air current flow direction, before often organizing described radiating fin, it is provided with one group Described air streams unit, often organizes described air and streams unit and include multiple described around discharge orifice with described Plate is streamed around what discharge orifice connected.

As preferably, often organize described air stream unit include two spaced described around discharge orifice And stream plate with being connected around discharge orifice described in two.

As preferably, described is symmetrically arranged along longitudinal midplane of described fin around discharge orifice Tri-angle-holed, described in stream plate be and described fin one triangle wing plate.

As preferably, two described tri-angle-holed in one be located on described fin near dissipating The side of heat pipe mounting groove.

As preferably, described in stream the angle between plate and air current flow direction be 45 °, described Streaming the angle between plate and described fin is 80 °～90 °.

Another aspect of the present invention, also provides for a kind of heat exchanger, dissipates including above-mentioned venetian blind type Backing.

Application technical scheme, louvered fin, including fin, fin It is provided with many group radiating fins and for installing multiple radiating tube mounting grooves of radiating tube, radiating fin Sheet includes that louvered fin peace fin, flat fin and louvered fin depend on along air current flow direction Secondary setting.Owing to using flat fin Substitute For Partial louvered fin, can effectively reduce windage, Reduce the power consumption of complete machine.

Accompanying drawing explanation

Fig. 1 is the structural representation of the louvered fin of the embodiment of the present invention；

Fig. 2 is the main TV structure schematic diagram of the louvered fin of the embodiment of the present invention；

Fig. 3 is the plan structure schematic diagram of the louvered fin of the embodiment of the present invention.

Description of reference numerals

1, fin；10, radiating tube mounting groove；21, flat fin；22, louvered fin； 23, dividing plate；31, around discharge orifice；32, plate is streamed.

Detailed description of the invention

With specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings, but does not makees For limitation of the invention.

Fig. 1 to Fig. 3 is the structural representation of the device of the embodiment of the present invention.Arrow indication in figure Direction is air current flow direction.

In conjunction with Fig. 1 to Fig. 3, the present invention provides a kind of louvered fin, including fin 1, Fin 1 is provided with many group radiating fins and for installing multiple radiating tube mounting grooves of radiating tube 10, often group radiating fin includes louvered fin 22 peace fin 21, flat fin 21 and shutter Fin 22 sets gradually along air current flow direction.In the embodiment of the present invention, many group radiating fins and Multiple radiating tube mounting grooves 10 interval is arranged.

Preferably, being provided with dividing plate 23 between flat fin 21 and louvered fin 22, flat fin 21 sets At the windward side of dividing plate 23, louvered fin 22 is located at the leeward side of dividing plate 23.Flat fin 21 exists Being obliquely installed on fin 1, the angle between flat fin 21 and air current flow direction is less than 90 °. Owing to, in windward side region, heat exchange property is preferable, uses flat fin 21 in this region, right The exchange capability of heat of whole louvered fin will not produce too much influence, still can ensure that full The requirement of foot heat exchange, but use flat fin 21, windage can well be reduced, then reach fall The effect of low Overall Power Consumption.

Preferably, along air current flow direction, often group radiating fin before be provided with one group of air around Stream unit, for increasing the disturbance of air further and strengthening the exchange capability of heat of fin 1, often organizes sky Gas stream unit can include multiple around discharge orifice 31 and be connected with around discharge orifice 31 stream plate 32.

In the embodiment of the present invention, often group air stream unit include two interval arrange around discharge orifice 31 He Stream plate 32, be symmetrically arranged two triangles of longitudinal midplane along fin 1 around discharge orifice 31 Shape hole, streaming plate 32 is and the triangle wing plate of fin 1 one.Two tri-angle-holed and triangles Shape wing plate is respectively provided on fin 1 near the side of radiating tube mounting groove 10 with at uprush The opposite side being spaced therewith on flow direction.Wherein, near the triangle of radiating tube mounting groove 10 Wing plate can strengthen air agitation and turbulence intensity, strengthens the heat-energy transducer in radiating fin region further Power, is located at the triangle wing plate of opposite side, is i.e. located at the triangle wing plate before radiating fin, Can effectively reduce the area in the faint region in wake zone, i.e. exchange capability of heat, strengthen leeward district The exchange capability of heat in territory.

Preferably, streaming the angle between plate 32 and air current flow direction is 45 °, streams plate 32 And the angle between fin 1 is 80 °～90 °, in order to withdrawing pattern.Flow along parallel airflow Direction and uprush flow direction, near the center of gravity of the triangle wing plate of radiating tube mounting groove 10 And the vertical dimension between the straight line at the diameter place of adjacent radiating tube mounting groove 10 is equal to dissipate The radius of heat pipe mounting groove 10, the height of triangle wing plate is 2/3 of the spacing between flat fin 21, With the area of wake zone after reduction pipe, strengthen exchange capability of heat.

Through it is demonstrated experimentally that compared with existing louvered fin, the venetian blind type of the present invention dissipates The exchange capability of heat of backing can improve about 5%, and the pressure loss reduces by 5%, and combination property can improve About 8%.

Another aspect of the present invention, also provides for a kind of heat exchange including above-mentioned louvered fin Device.

Certainly, it is above the preferred embodiment of the present invention.It should be pointed out that, and this technology is led For the those of ordinary skill in territory, on the premise of without departing from its general principles, it is also possible to Making some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.

Claims (10)

1. a louvered fin, including fin, described fin is provided with organizes heat radiation more Fin and for installing multiple radiating tube mounting grooves of radiating tube, it is characterised in that described heat radiation Fin includes louvered fin peace fin, and described flat fin and described louvered fin are along air-flow Flow direction sets gradually.

Louvered fin the most according to claim 1, it is characterised in that described flat wing Being provided with dividing plate between sheet and described louvered fin, described flat fin is located at described dividing plate windward Side, described louvered fin is located at the leeward side of described dividing plate.

Louvered fin the most according to claim 2, it is characterised in that described flat wing Sheet is obliquely installed on described fin, the angle between described flat fin and air current flow direction Less than 90 °.

4. according to the louvered fin described in any one of claims 1 to 3, it is characterised in that Being additionally provided with air on described fin and stream unit, described air streams unit and includes setting on a heat sink Stream plate around what discharge orifice was connected around discharge orifice with described.

Louvered fin the most according to claim 4, it is characterised in that along air-flow Flow direction, is provided with air described in a group and streams unit, often organize institute before often organizing described radiating fin State air to stream unit and include multiple streaming plate around what discharge orifice was connected around discharge orifice with described.

Louvered fin the most according to claim 5, it is characterised in that often group is described Air streams unit and includes that two spaced described are connected around discharge orifice around discharge orifice with described in two Stream plate.

Louvered fin the most according to claim 6, it is characterised in that described in stream Hole is symmetrically arranged tri-angle-holed along longitudinal midplane of described fin, described in stream plate and be Triangle wing plate with described fin one.

Louvered fin the most according to claim 7, it is characterised in that described in two In tri-angle-holed one is located on described fin the side near radiating tube mounting groove.

Louvered fin the most according to claim 7, it is characterised in that described in stream Angle between plate and air current flow direction is 45 °, described in stream between plate and described fin Angle be 80 °～90 °.

10. a heat exchanger, it is characterised in that described heat exchanger includes that right such as requires 1 to 9 One described louvered fin.