Summary of the invention
The object of the invention is to propose a kind of radome fairing, air inlet system and circular cabinet-type air conditioner, it can weaken air-intake turbulent flow, reduces noise.
For achieving the above object, the invention provides a kind of radome fairing, described radome fairing has spherical, and described spherical distributes multiple pod apertures, makes be divided into multiply by the air-flow of described radome fairing by each described pod apertures and change direction, and vertical air inlet flows into.
One preferably or in embodiment, described radome fairing is provided with central through hole vertically, and described central through hole is coaxial with described air inlet, the vertical described air inlet inflow of air-flow imported by described central through hole is made.
One preferably or in embodiment, the size of described pod apertures increases from the center of described radome fairing gradually to edge.
One preferably or in embodiment, the spherical of described radome fairing is provided with the rib of warp-wise and the rib of broadwise, and described spherical is separated to form multiple described pod apertures by the rib of described warp-wise and the rib of described broadwise.
One preferably or in embodiment, described rib is circular rib.
One preferably or in embodiment, described radome fairing is the hemispherical dome structure of hollow.
One preferably or in embodiment, described pod apertures is square opening or trapezoidal hole.
One preferably or in embodiment, described radome fairing adopts injection mo(u)lding.
For achieving the above object, present invention also offers a kind of air inlet system, it comprises the radome fairing in above-mentioned any embodiment.
For achieving the above object, present invention also offers a kind of circular cabinet-type air conditioner, it comprises above-mentioned air inlet system.
Based on technique scheme, the present invention at least has following beneficial effect:
Radome fairing provided by the invention has spherical, spherical distributes several pod apertures, make to be divided into multiply and change direction by the air-flow of radome fairing by several pod apertures, vertical air inlet flows into, the present invention can make air intake change direction through radome fairing, vertical air inlet enters, and then can weaken air-intake turbulent flow, reduces noise.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " 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 present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limiting the scope of the invention can not be interpreted as.
As shown in Figure 1 and Figure 2, be the illustrative examples of radome fairing 1 provided by the invention, in this illustrative examples, radome fairing 1 is located at air inlet, can be volute type chamber, be provided with blower fan in spiral case die cavity inside air inlet.Radome fairing 1 has spherical, spherical distributes several pod apertures 11, make to be divided into multiple shallow bid and change direction by the large stock air-flow of radome fairing 1 by several pod apertures 11, vertical air inlet flows into, the present invention can change the air intake direction through radome fairing 1 to a great extent, weaken the turbulence intensity of air intake, the size of the eddy region of the air-flow after entering air inlet and turbulent fluctuation speed is necessarily controlled, reduce noise.Spherical radome fairing provided by the invention rectification effect under spherical arc and air inlet effect is more obvious, particularly to the control of turbulent flow.
Central through hole 12 is provided with vertically at radome fairing 1, central through hole 12 is coaxial with air inlet, the vertical air inlet of air-flow imported by central through hole 12 is flowed into, the wind direction entered by central through hole 12 is remained unchanged, fan blade 3 inside the vertical air inlet of air intake is namely parallel with blade shaft, reduce air turbulence, reach the object reducing noise.
Further, the ratio that central through hole 12 accounts for whole radome fairing is 1/4 ~ 1/3, under this proportion, guide functions can be made to reach better effect.
The spherical of radome fairing 1 is provided with the rib 13 of warp-wise and the rib 13 of broadwise, spherical is separated to form multiple pod apertures 11 by the rib 13 of warp-wise and the rib 13 of broadwise, and the size of pod apertures 11 increases from the center of radome fairing 1 gradually to edge, this is because wind direction, edge changes obvious, the hole at edge arranges the less noise that can cause on the contrary and increases, therefore, what arranged in the hole at edge in the present embodiment is bigger than normal, namely the size of pod apertures 11 increases from the center of radome fairing 1 gradually to edge, can reduce noise further.
Further, rib 13 can be circular rib 13, adopts circular rib 13 to coordinate circular volute, can reduce the action of turbulent flow that wind enters spiral case.
One preferably or in embodiment, radome fairing 1 can be the hemispherical dome structure of hollow, and its axial cross section is trapezoidal, and radial section is rounded, can reduce action of turbulent flow further.
Further, pod apertures 11 can adopt square opening or trapezoidal hole, adopts square opening or trapezoidal hole to the effect of change wind direction obviously, also can reduce turbulent effect further.
Further, radome fairing 1 can adopt injection mo(u)lding, and it is relative to modes such as intermetallic composite coating, is easier to realize, and cost of manufacture is lower.
At preferably or in embodiment of radome fairing 1, radome fairing 1 is designed to dome-type structure, the aperture of the central through hole 12 of middle shaft core position can be 11.8mm, pod apertures 11 can adopt square opening, or shape of cross section is the trapezoidal hole of isosceles ladder type, the upper and lower edge lengths 6mm-16mm of isosceles ladder type, each pod apertures 11 is at same cross section equal and opposite in direction diametrically, progressively increase from the center of radome fairing to the pod apertures 11 edge different-diameter, air intake is before radome fairing 1 enters spiral case die cavity, part air intake is under the pod apertures 11 of radome fairing 1 acts on, be divided into much shallow bid wind, the direction of wind starts to change, the air intake direction of central through hole 12 does not change, vertical air inlet enters, the vertical fan blade of wind 3 through radome fairing 1 is also namely parallel with blade shaft, thus avoid air intake directly to enter spiral case die cavity, thus reduce the turbulence intensity of wind, wind flows out from outlet under the pressure effect of spiral case die cavity, reach the object reducing noise.
As shown in Figure 3, Figure 4, air inlet system provided by the invention, it comprises the radome fairing 1 in above-mentioned any embodiment, radome fairing 1 is located on deflector 2, deflector 2 is provided with air inlet, is provided with fan blade 3 and motor 4 inside deflector 2, and fan blade 3 and motor 4 are located in air channel 6 by fixed part 5.
Air inlet system comprises radome fairing 1, and radome fairing 1 can be installed on the spiral case air inlet deflector 2 of circular cabinet-type air conditioner, and shape is dome-type, network structure, and centre hollows out, and uses injection mo(u)lding.To under the effect of centrifugation blade after motor 4 drives, air intake is through netted radome fairing 1, under pod apertures 11 acts on, the wind direction of the air intake vertical air inlet that changes enters, entered by the vertical air inlet of the wind of central through hole 12, wind direction does not change, therefore, air intake is divided into much shallow bid wind through radome fairing 1, and direction changes, make the vertical air inlet of rambling air intake, namely fan blade 3 also enters to parallel direction with blade shaft, reduce the turbulence intensity of air intake, thus avoid air intake directly to enter spiral case die cavity, wind flows out from outlet under the pressure effect of spiral case die cavity, reach reduction noise, improve the object of air-conditioning quality.
Circular cabinet-type air conditioner provided by the invention, it comprises above-mentioned air inlet system.
In circular cabinet-type air conditioner, the spiral case air inlet of machine increases dome-type moulding radome fairing 1 and carries out rectification, air intake is allowed to be divided into much shallow bid wind through radome fairing 1, under the netted circular rib guiding function of radome fairing 1, rambling air intake direction changes, namely the vertical air inlet of air intake, fan blade 3 are entered with blade shaft parallel direction, reduce air turbulence, reduce noise, improve cabinet air-conditioner quality and quality.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.