CN209484729U - A kind of indoor unit air guide structure and indoor unit - Google Patents

Abstract

The utility model relates to a kind of indoor unit air guide structure and indoor units, and including spiral case, casing and the drip tray being arranged on casing, the drip tray is equipped with the distinguished and admirable convex block to evaporator of at least one guidance spiral case blowout.The utility model has the advantages that: by increasing convex block, the wind for blowing out wind spiral case is sent on evaporator along convex block, keep wind flow more smooth, and the wind for reducing blowout is fallen in outside heat exchanger, improve operational efficiency, consequently reducing wind reduces vortex or unstable air-flow in the collision reaction of casing internal, and reduces noise.

Description

A kind of indoor unit air guide structure and indoor unit

Technical field

The utility model relates to field of air conditioning, more particularly to a kind of indoor unit air guide structure and indoor unit.

Background technique

Existing indoor unit is mostly to be offered exhaust outlet on casing, be equipped with centrifugation in casing with flowering structure, including casing Blower and evaporator, centrifugal blower include spiral case and the impeller that is set in spiral case, spiral case include the wind deflector that top is set, The wind-guiding volute tongue of lower part is set and connects the side wall of wind-guiding volute tongue and wind deflector, evaporator includes inlet air face and outlet air surface, The air outlet of spiral case and the inlet air face of heat exchanger are oppositely arranged.

Existing this indoor unit has the following problems: since air outlet is generally flared, although being capable of increasing in this way The air-out area of centrifugal blower, but since size of heat exchanger is limited, the wind of the air outlet edge blowout of centrifugal blower is easy to fall In the outside in heat exchanger inlet air face, this wind re-enters into heat exchange after the rebound such as the inner wall of casing, centrifugal blower shell In device, the biggish noise that this this process apoplexy collision reaction is easy to produce reduces the experience of user.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of indoor unit air guide structure, can be reduced and falls in heat exchanger External wind reduces collision reaction of the wind in casing, reduces noise and improve operational efficiency.

The technical solution of the utility model is to provide a kind of indoor unit air guide structure, including spiral case, casing and sets The drip tray on casing is set, the drip tray is equipped with the distinguished and admirable to the convex of evaporator of at least one guidance spiral case blowout Block.

After using the above structure, the indoor unit air guide structure of the utility model has following excellent compared with prior art Point: by increasing convex block, the wind for blowing out wind spiral case is sent on evaporator along convex block, keeps wind flow more smooth, and is reduced The wind of blowout is fallen in outside heat exchanger, is improved operational efficiency, is consequently reduced wind in the collision reaction of casing internal, reduce Vortex or unstable air-flow, and reduce noise.

As a kind of improvement of the utility model, the spiral case includes the wind deflector that top is arranged in, is arranged in lower part Wind-guiding volute tongue and connect wind-guiding volute tongue and wind deflector side wall, outlet air is formd by wind deflector, wind-guiding volute tongue and side wall Mouthful, lower area wind direction is leaned on since wind-guiding volute tongue is controlled in lower part.

The convex block includes the distinguished and admirable wind-guiding face to evaporator for guiding spiral case blowout, blows wind spiral case by wind-guiding face Wind out is sent on evaporator along convex block, keeps wind flow more smooth, and the wind for reducing blowout is fallen in outside heat exchanger, is improved Operational efficiency, consequently reducing wind reduces vortex or unstable air-flow in the collision reaction of casing internal, and reduces Noise.

As a kind of improvement of the utility model, the wind-guiding volute tongue intersects along the extended surface of blowing direction with wind-guiding face Angle between and is obtuse angle, even if the wind along the blowout of wind-guiding volute tongue is all fallen in wind-guiding face, leads to evaporator by wind-guiding face On, keep wind flow more smooth, and the wind for reducing blowout is fallen in outside heat exchanger, improves operational efficiency, consequently reduce wind In the collision reaction of casing internal, reduce vortex or unstable air-flow, and reduces noise.

As a kind of improvement of the utility model, the wind-guiding face includes connected plane domain and curved surface area, The extended surface intersects with plane domain, i.e., is further guided in the wind of plane domain by curved surface area, make direction part Controllably, it improves heat exchange efficiency and reduces noise.

As a kind of improvement of the utility model, the wind-guiding face is greater than or equal to 10 millis along the length of blowing direction Rice improves guidance effect.

As a kind of improvement of the utility model, the wind-guiding volute tongue end and wind-guiding face are contradicted, and are avoided along wind-guiding snail The wind of tongue blowout is not fallen in wind-guiding face, more efficient, is fundamentally reduced wind in the collision reaction of casing internal, is reduced whirlpool Stream or unstable air-flow, and reduce noise.

As a kind of improvement of the utility model, the projection of the wind-guiding volute tongue end along the vertical direction is located at wind-guiding face On, even if the wind along the blowout of wind-guiding volute tongue is all fallen in wind-guiding face, is led on evaporator by wind-guiding face, keep wind flow more suitable Freely, and the wind of reduction blowout is fallen in outside heat exchanger, improves operational efficiency, the collision for consequently reducing wind in casing internal is anti- Bullet reduces vortex or unstable air-flow, and reduces noise.

As a kind of improvement of the utility model, the convex block and drip tray are integrally formed, and facilitate installation, and reduction portion Number of packages amount.

As a kind of improvement of the utility model, the convex block is hollow structure, and materials are less, reduces Material Cost.

The technical solution of the utility model is to provide a kind of indoor unit, including interior described in above-mentioned any one Machine air guide structure.

After using the above structure, the indoor unit of the utility model has the advantage that compared with prior art and passes through increasing Add convex block, the wind for blowing out wind spiral case is sent on evaporator along convex block, keeps wind flow more smooth, and the wind for reducing blowout is fallen Outside heat exchanger, operational efficiency is improved, consequently reduces wind in the collision reaction of casing internal, reduces vortex or not Steady air flow, and reduce noise.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of indoor unit air guide structure of the utility model.

It is as shown in the figure: 1, casing；2, drip tray；3, spiral case；31, wind-guiding volute tongue；32, wind deflector；4, convex block；41, plane Region；42, curved surface area；5, evaporator.

Specific embodiment

The utility model is described in further detail in the following with reference to the drawings and specific embodiments.

Refering to Figure 1, a kind of indoor unit air guide structure, including spiral case 3, casing 1 and is arranged in connecing on casing 1 Water pond 2, there are also evaporator 5, the drip tray 2 is arranged on casing 1, and the evaporator 5 is inclined at drip tray 2 On, to cooperate 5 angle of evaporator, the drip tray 2 is equipped at least one guidance spiral case 3 and blows Open Side Down the inclination of spiral case 3 The distinguished and admirable convex block 4 to evaporator 5 out, the convex block 4 include the distinguished and admirable wind-guiding face to evaporator 5 that guidance spiral case 3 is blown out, It is sent on evaporator 5 by the wind that wind-guiding face blows out wind spiral case 3 along convex block 4, keeps wind flow more smooth, and reduce blowout Wind fall in outside heat exchanger, improve operational efficiency, consequently reduce collision reaction of the wind inside casing 1, reduce whirlpool Stream or unstable air-flow, and reduce noise.

The spiral case 3 includes that the wind deflector 32 that top is arranged in, the wind-guiding volute tongue 31 that lower part is arranged in and connection are led The side wall of wind volute tongue 31 and wind deflector 32 forms air outlet by wind deflector 32, wind-guiding volute tongue 31 and side wall, due to wind-guiding snail Tongue 31 controls in lower part and leans on lower area wind direction.The wind-guiding volute tongue 31 intersects along the extended surface of blowing direction with wind-guiding face Angle between and is obtuse angle, is angle A in Fig. 1, even if all falling in wind-guiding face along the wind that wind-guiding volute tongue 31 is blown out, by leading Wind face is led on evaporator 5, keeps wind flow more smooth, and the wind for reducing blowout is fallen in outside heat exchanger, improves operational efficiency, Collision reaction of the wind inside casing 1 is consequently reduced, reduces vortex or unstable air-flow, and reduce noise.Institute The wind-guiding face stated includes connected plane domain 41 and curved surface area 42, and the extended surface intersects with plane domain 41, i.e., It is further guided in the wind of plane domain 41 by curved surface area 42, keeps direction part controllable, improve heat exchange efficiency and reduction is made an uproar Sound.

The wind-guiding face is greater than or equal to 10 millimeters along the length of blowing direction, improves guidance effect.The wind-guiding 31 end of volute tongue and wind-guiding face contradict, and the wind blown out along wind-guiding volute tongue 31 is avoided not fall in wind-guiding face, more efficient, fundamentally Reduce collision reaction of the wind inside casing 1, reduces vortex or unstable air-flow, and reduce noise.Alternatively, described The projection along the vertical direction of 31 end of wind-guiding volute tongue be located in wind-guiding face, led even if being all fallen within along the wind that wind-guiding volute tongue 31 is blown out It on wind face, is led on evaporator 5 by wind-guiding face, keeps wind flow more smooth, and the wind for reducing blowout is fallen in outside heat exchanger, Operational efficiency is improved, collision reaction of the wind inside casing 1 is consequently reduced, reduces vortex or unstable air-flow, and Reduce noise.

The convex block 4 and drip tray 2 are integrally formed, and facilitate installation, and reduction number of components, during the convex block 4 is Hollow structure, materials are less, reduce Material Cost.

A kind of indoor unit makes wind snail by increasing convex block 4 including indoor unit air guide structure described in above-mentioned any one The wind that shell 3 is blown out is sent on evaporator 5 along convex block 4, keeps wind flow more smooth, and the wind for reducing blowout is fallen in outside heat exchanger Portion improves operational efficiency, consequently reduces collision reaction of the wind inside casing 1, reduces vortex or unstable air-flow, And reduce noise.

The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (10)

1. a kind of indoor unit air guide structure, special including spiral case (3), casing (1) and the drip tray (2) being arranged on casing Sign is: further including the evaporator (5) being inclined on drip tray (2), spiral case (3) Open Side Down inclination is to cooperate evaporator (5) angle, the drip tray (2) are equipped with the distinguished and admirable convex block to evaporator (5) of at least one guidance spiral case (3) blowout (4).

2. indoor unit air guide structure according to claim 1, it is characterised in that: the convex block (4) includes guidance spiral case (3) the distinguished and admirable wind-guiding face to evaporator (5) blown out.

3. indoor unit air guide structure according to claim 2, it is characterised in that: the spiral case (3) includes wind-guiding volute tongue (31), the wind-guiding volute tongue (31) along the extended surface of blowing direction intersect with wind-guiding face and between angle be obtuse angle.

4. indoor unit air guide structure according to claim 3, it is characterised in that: the wind-guiding face includes connected plane Region (41) and curved surface area (42), the extended surface intersect with plane domain (41).

5. indoor unit air guide structure according to claim 2, it is characterised in that: length of the wind-guiding face along blowing direction Degree is greater than or equal to 10 millimeters.

6. indoor unit air guide structure according to claim 2, it is characterised in that: wind-guiding volute tongue (31) end with lead Wind face contradicts.

7. indoor unit air guide structure according to claim 2, it is characterised in that: wind-guiding volute tongue (31) end is along perpendicular Histogram to projection be located in wind-guiding face.

8. indoor unit air guide structure according to claim 1, it is characterised in that: the convex block (4) and drip tray (2) one It is body formed.

9. indoor unit air guide structure according to claim 1, it is characterised in that: the convex block is hollow structure.

10. a kind of indoor unit, it is characterised in that: including indoor unit air guide structure described in any one of claim 1-9.