CN105849467A - Indoor air conditioner - Google Patents
Indoor air conditioner Download PDFInfo
- Publication number
- CN105849467A CN105849467A CN201480070842.2A CN201480070842A CN105849467A CN 105849467 A CN105849467 A CN 105849467A CN 201480070842 A CN201480070842 A CN 201480070842A CN 105849467 A CN105849467 A CN 105849467A
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- Prior art keywords
- mentioned
- fan
- straight line
- cross flow
- air conditioner
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/422—Discharge tongues
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5826—Cooling at least part of the working fluid in a heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0025—Cross-flow or tangential fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
In order to combine surge bearing capacity and energy conservation, a stabilizer (17), a rear guider (18), and a cross-flow fan (30) are disposed in this wall-mounted indoor air conditioner so as to satisfy 3 formulas: (thetaa-theta0) > 16 DEGREE; 17 DEGREE < (thetab-theta0) < 26 DEG ; and thetab >=thetaa. Therein, a reference angle (theta0) is formed between a fan horizontal reference line (L1) and a scroll reference line (L2), a first angle (thetaa) is formed between a first straight line (SL1), which links a front-side closest point (P7) of the stabilizer (17) with a fan center point (O), and the fan horizontal reference line (L1), and a second angle (thetab) is formed between a second straight line (SL2), which links a rear-side closest point (P8) of the rear guider (18) with the fan center point (O), and the fan horizontal reference line (L1).
Description
Technical field
The present invention relates to indoor apparatus of air conditioner, particularly relate to wall-mounted indoor apparatus of air conditioner.
Background technology
In the past, the indoor unit (hereinafter, referred to as indoor apparatus of air conditioner) of following air conditioner is widely available: be arranged on
On room sidewall rather than ceiling, from front, suck air above, the air after being regulated by air is from the blowout of bottom
Mouth blowout.Inner containment at indoor set has and undertakes cold-producing medium and the heat exchanger of heat exchange of air, cross flow fan.
Such as, as shown in patent documentation 1 (Japanese Unexamined Patent Publication 2008-8500 publication), indoor apparatus of air conditioner has stable
Device and rear guider are as the parts constituting air supply path.
Summary of the invention
The problem that invention is to be solved
In nearest indoor apparatus of air conditioner, along with the big footpath of cross flow fan, occur in that low rotation, the becoming of high air quantity
Gesture.And, it is desirable to also can improve due to surge endurance that is low rotary and that reduce when static pressure rises, on the other hand,
For energy-conservation angle, there is also the requirement of low dynamics.
The problem of the present invention is, it is provided that have the indoor apparatus of air conditioner of surge endurance and energy saving concurrently.
For solving the means of problem
The indoor apparatus of air conditioner of a first aspect of the present invention is wall-mounted indoor apparatus of air conditioner, wherein, and described indoor apparatus of air conditioner
Possess cross flow fan, shell and heat exchanger.Cross flow fan is circumferentially arranged with multiple wing, and generates air stream.
Shell includes the regulator of face side and the rear guider of rear side.By this regulator and rear guider, shell is formed
From the blow out air stream of the Vorticose air that cross flow fan flows to blow-off outlet.Regulator is divided into across tongue
Upper and lower.Heat exchanger includes face side heat exchange department and rear side heat exchange department, and described heat exchanger arrangement exists
The air stream upstream side of cross flow fan.Observe from the longitudinal section of this indoor apparatus of air conditioner, by by the rotation of cross flow fan
Turn the center i.e. horizontal line of fan center's point as fan reference horizontal line.Additionally, observe from longitudinal section, will be as even
With fan in the tangent line of the circle of the outer end of multiple wings of knot cross flow fan and the straight line tangent with the bottom of regulator
The straight line of reference horizontal line angulation minimum is as vortex datum line.Additionally, observe from longitudinal section, by fan base
Quasi-horizontal line and vortex datum line angulation are as references angle θ 0.Additionally, observe from longitudinal section, will link
The straight line of face side closest approach and fan center's point that is the 1st straight line and fan reference horizontal line angulation conduct
1st angle, θ a, wherein face side closest approach be regulator top in point immediate with cross flow fan.This
Outward, observe from longitudinal section, straight line that is the 2nd straight line and the fan base in rear side closest approach and fan center's point will be linked
Quasi-horizontal line angulation is as the 2nd angle, θ b, with cross-flow type during wherein rear side closest approach is rear guider
The immediate point of fan.In this indoor apparatus of air conditioner, regulator, rear guider and cross flow fan are configured to so:
As defined above references angle θ the 0, the 1st angle, θ a and the 2nd angle, θ b meet following the 1st angular relationship formula,
2nd angular relationship formula and the 3rd angular relationship formula,
1st angular relationship formula: (θ a-θ 0) ＞ 16 °,
2nd angular relationship formula: 17 ° of ＜ (θ b-θ 0) ＜ 26 ° and
3rd angular relationship formula: θ b >=θ a.
According to the indoor apparatus of air conditioner of the present invention, regulator, rear guider and cross flow fan are configured to the 1st angle and close
Be formula, the 2nd angular relationship formula and the 3rd angular relationship formula is satisfied by rather than meet the 1st angular relationship formula, the 2nd
Any one in angular relationship formula and the 3rd angular relationship formula.Thus, by by the face side closest approach of regulator
Height and position suppresses relatively low such that it is able to reduce the sky flowed from the bottom of face side heat exchange department to cross flow fan
Air-flow is hindered, additionally it is possible to the scope within 180 ° increases so-called fan sucks angle.Accordingly, it is capable to
Enough generations are as the air stream of low loss, further, it is possible to suppression is inhaled from cross flow fan towards the air flow of blow-off outlet
Entrance side refluxes.By suppressing this backflow, surge endurance improves.
Further, by the height and position in the rear side closest approach of rear guider is controlled in suitable scope, it is thus possible to
Enough suppressing the increase of the fan power caused by guider after excessively reducing, energy saving improves.That is, if after excessively reducing
The height and position in the rear side closest approach of guider, the blow out air stream of the most Vorticose air shortens, additionally,
The retentivity in the circulation whirlpool that the cross flow fan side in rear side closest approach produces dies down, Vorticose blow out air stream
The turbulent flow increase on surface, fan power becomes big, but in accordance with the invention it is possible to the increase of the such fan power of suppression.
The indoor apparatus of air conditioner of a second aspect of the present invention, in the indoor apparatus of air conditioner of first aspect, is observed from longitudinal section, just
The bottom of side, face heat exchange department is positioned at than fan reference horizontal line position on the lower, and the bottom of rear side heat exchange department is positioned at
The position more top than fan reference horizontal line.Further, regulator, rear guider, heat exchanger and cross flow fan quilt
It is configured such that and observes from the longitudinal section of indoor apparatus of air conditioner, by by the bottom of face side heat exchange department and fan
Straight line maximum with fan reference horizontal line angulation in the straight line of heart point is as the 3rd straight line, by the 3rd straight line
With fan reference horizontal line angulation as the 3rd angle, θ c, by by the bottom of rear side heat exchange department and wind
Straight line minimum with fan reference horizontal line angulation in the straight line of fan central point is as the 4th straight line, by the 4th
When straight line and fan reference horizontal line angulation are as the 4th angle, θ d, meet the 4th following angular relationship formula
With the 5th angular relationship formula,
4th angular relationship formula: θ c ＞ θ a
5th angular relationship formula: θ d ＜ θ b.
According to the indoor apparatus of air conditioner of second aspect, the bottom of face side heat exchange department is arranged in relatively low position to meet the
4 angular relationship formulas, the bottom of rear side heat exchange department is arranged in relatively low position to meet the 5th angular relationship formula, energy
Enough increase the capacity of heat exchanger.Further, owing to meeting the 1st angular relationship formula, the 2nd angular relationship formula and simultaneously
3 angular relationship formulas, therefore, even if the bottom of face side heat exchange department and rear side heat exchange department is arranged in relatively low position
Put, be not easy to hinder therefrom to the air stream of cross flow fan flowing, have more in the bottom of each heat exchange department also stream
Air, energy saving improve.
Invention effect
Indoor apparatus of air conditioner according to the first aspect of the invention, surge endurance and energy saving all improve.
Indoor apparatus of air conditioner according to the second aspect of the invention, the capacity of heat exchanger becomes big, under each heat exchange department
Portion's also stream has more air, and energy saving improves further.
Accompanying drawing explanation
Fig. 1 is the structure chart of the air-conditioning device being made up of air-conditioner outdoor unit and indoor apparatus of air conditioner.
Fig. 2 is the longitudinal section of the indoor apparatus of air conditioner of the configuration for front panel, filter and heat exchanger are described
(sectional view of the II-II direction of arrow of Fig. 1).
Fig. 3 is the longitudinal section of the indoor apparatus of air conditioner of the configuration for regulator and rear guider are described.
Fig. 4 is the chart of the configuration illustrating regulator and the relation of the improved efficiency of fan power.
Fig. 5 is the chart of the configuration illustrating rear guider and the relation of the improved efficiency of fan power.
Detailed description of the invention
Below, referring to the drawings the indoor apparatus of air conditioner 92 of an embodiment of the invention is illustrated.Under it addition,
The embodiment in face is the concrete example of the present invention, does not limit the technical scope of the present invention.
(1) structure of indoor apparatus of air conditioner
Fig. 1 is the structure chart of the air conditioner 90 of the indoor apparatus of air conditioner 92 including an embodiment of the invention.Air-conditioning
Indoor set 92 is the wall-mounted indoor unit being installed on indoor wall.Additionally, indoor apparatus of air conditioner 92 is through refrigeration
Agent pipe arrangement 93 is connected with the air-conditioner outdoor unit 91 being arranged in outdoor and constitutes air conditioner 90.Indoor apparatus of air conditioner 92 basis
The operation of remote controller etc. and carry out the cooling operation of indoor and heat operating.
As in figure 2 it is shown, indoor apparatus of air conditioner 92 mainly possesses shell 10, filter 40, heat exchanger 20 and crossing current
Formula fan 30.
(1-1) shell
Shell 10 is the aggregation of the parts becoming the gabarit of indoor apparatus of air conditioner 92 and framework, and it supports and receives filtration
Device 40, heat exchanger 20 and cross flow fan 30 etc..
The suction inlet 10a being taken into by indoor air it is formed with on the top of shell 10.Formed in the bottom of shell 10
There is the blow-off outlet 10b that the air after being regulated by air is sent to indoor.Suction inlet 10a is in than cross flow fan 30
I.e. high for the fan center's point O position of center of rotation.More specifically, suction inlet 10a is formed at the top of shell 10
Face (upper surface), sucks from the space of the top of indoor apparatus of air conditioner 92 by room air.Blow-off outlet 10b is in and compares wind
The position that fan central point O is low.More specifically, blow-off outlet 10b is formed at the face side part of the bottom surface of shell 10,
Air is blown out to the front of indoor apparatus of air conditioner 92 and lower section.
Shell 10 includes the front panel 15 shown in Fig. 2 and Fig. 3, regulator 17 and rear guider 18 etc..Utilize
Regulator 17 and rear guider 18 are formed with the vortex flowed from cross flow fan 30 to blow-off outlet 10b at shell 10
The blow out air stream 10c of the air of shape.It is arranged in and leans on the regulator 17 of face side across by curved than rear guider 18
Curved surface constitute tongue 71 and be divided into top 72 and bottom 73.As shown in Fig. 3 of longitudinal section, stablized
The face side closest approach P7 on top 72 is closest with cross flow fan 30 for device 17.The top of rear guider 18
It is in the position higher than fan center's point O, rear guider 18 closest approach, side P8 overleaf and cross flow fan 30
Closest.Front panel 15 is arranged in the face side of filter 40.
(1-2) heat exchanger and filter
Heat exchanger 20 is the heat exchanger observing the fin-and-tube type with inverted v-shaped shape from longitudinal section, and it is from suction
Heat exchange is carried out between air and the cold-producing medium flowed in pipe that entrance 10a lateral flow formula fan 30 effluent is dynamic.
Heat exchanger 20 is by the thermofin of multiple aluminums and multiple pipes in the through multiple holes offered on these thermofins
Constitute.External diameter as the pipe of heat-transfer pipe made of copper is 5mm or 4mm.
Additionally, heat exchanger 20 includes: be positioned at the face side heat exchange department 21 leaning on face side than top 20a；And
It is positioned at the rear side heat exchange department 22 than 20a backrest surface side, top.The bottom 21a of face side heat exchange department 21 is positioned at
Ratio fan reference horizontal line L1 described later position on the lower, the bottom 22a of rear side heat exchange department 22 is positioned at and compares fan
The position that reference horizontal line L1 is top.
It is positioned at the air stream upstream side of cross flow fan 30, the top being specifically positioned at cross flow fan 30 and front
Heat exchanger 20 covered by filter 40.It is arranged in the filter 40 of the air stream upstream side of heat exchanger 20
It is positioned at top and the front of heat exchanger 20, to comprise from the air that suction inlet 10a heat exchanger 20 flows
Dust traps.
(1-3) cross flow fan
Cross flow fan 30 possesses: cylindric fan propeller, it extends the longlyest；And motor,
It makes fan propeller rotate.Fan propeller has the multiple fan wings 31 circumferentially arranged, and gives birth to by carrying out rotating
Become the air stream moved from the lateral blow-off outlet 10b effluent of heat exchanger 20.
When cross flow fan 30 rotates, air from indoor through suction inlet 10a and filter 40 heat exchanger
20 flowings, are flowed to blow out air stream 10c by the air after heat exchanger 20 and are blown from blow-off outlet 10b
To indoor.
It addition, by the rotating speed of the not shown motor controlling device change cross flow fan 30.It is built in air conditioning chamber
The device that controls in interior machine 92 changes the rotating speed of motor according to user by the operation input of remote controller etc..
(2) concrete condition of the configuration of front panel, filter and heat exchanger
In the indoor apparatus of air conditioner 92 of the present invention, have employed new each parts of not having in conventional indoor apparatus of air conditioner
Configuration.Below, the configuration to front panel, filter and heat exchanger specifically illustrates.
As in figure 2 it is shown, from the longitudinal section of indoor apparatus of air conditioner 92 observe, the bottom 21a of face side heat exchange department 21 and
The bottom 40a of filter 40 is positioned at than fan center's point O position on the lower.In other words, face side heat exchange department 21
Including being positioned at than fan center's point O bottom 21a on the lower, filter 40 includes being positioned at than fan center's point O on the lower
Bottom 40a.
Here, be defined below each line L1, SL3, SL5, each angle, θ c, θ e and each clearance distance D1, D2,
D3。
Fan reference horizontal line L1 is the horizontal line by fan center's point O.
3rd straight line SL3 be the bottom 21a by face side heat exchange department 21 and fan center's point O straight line in
The straight line that fan reference horizontal line L1 angulation is maximum.
Heat exchanger lower angular θ c is the 3rd straight line SL3 and fan reference horizontal line L1 angulation.
5th straight line SL5 be the bottom 40a by filter 40 and fan center's point O straight line in fan benchmark
The straight line that horizontal line L 1 angulation is maximum.
Filter lower angular θ e is the 5th straight line SL5 and fan reference horizontal line L1 angulation.
1st distance D1 is the cross flow fan 30 at the height and position of fan center's point O and face side heat exchange department
The clearance distance of 21.
2nd distance D2 is the face side heat exchange department 21 at the height and position of fan center's point O and filter 40
Clearance distance.
3rd distance D3 is the clearance gap of the filter 40 at the height and position of fan center's point O and front panel 15
From.
In indoor apparatus of air conditioner 92, cross flow fan 30, heat exchanger 20, filter 40 and front panel 15
Be configured to so: each line L1 as defined above, SL3, SL5, each angle, θ c, θ e and each clearance distance D1,
D2, D3 meet following the 1st formula, the 2nd formula and the 3rd formula,
1st formula: θ e ＞ (θ c × 0.4)
2nd formula: D3 ＞ D2 ＞ D1
3rd formula: D1 ＞ (0.3 × R)
It addition, it is from fan that the radius of the fan propeller of cross flow fan 30 i.e. fan radius R observes from longitudinal section
Heart point O is to the outer end of multiple fan wings 31 linking up the imaginary circle obtained (with reference to the circle shown in the dotted line of Fig. 2
Distance 30a).
By meeting these formulas, suppress the depth size of indoor apparatus of air conditioner 92 and at face side heat exchange department 21
Bottom 21a also by enough air, in indoor apparatus of air conditioner 92, have employed and meet below these formulas
Numerical value:
Heat exchanger lower angular θ c=52 °
Filter e=23 ° of ＞ of lower angular θ (θ c × 0.4)
Fan radius R=52mm
1st distance D1=16mm ＞ (0.3 × R)
2nd distance D2=22mm ＞ D1
3rd distance D3=27mm ＞ D2
Additionally, in indoor apparatus of air conditioner 92, observe from longitudinal section, fan center is put at the height and position of O,
Distance that is the 4th distance D4 of fan center's point O and front panel 15 presses down and is made smaller than 3 times of fan radius R.
That is, the 4th distance D4 and fan radius R meet the 4th following formula:
4th formula: D4 ＜ (3 × R).
Specifically, front panel 15 is arranged as opposed to into the 4th distance D4 relative to cross flow fan 30 and is
143mm.4th distance D4 is suppressed less in order to avoid the depth of indoor apparatus of air conditioner 92 is oversize, by inciting somebody to action
Cross flow fan 30, heat exchanger 20, filter 40 and front panel 15 be configured to meet the 1st above-mentioned formula～
3rd formula, thus the air being inhaled into from the suction inlet 10a being formed at end face is to the bottom of face side heat exchange department 21
21a is sent enough amounts.
(3) concrete condition of the configuration of regulator and rear guider
Below, regulator 17 and the newly configured of rear guider 18 to not having in conventional indoor apparatus of air conditioner are entered in detail
Row explanation.
As it is shown on figure 3, from the longitudinal section of indoor apparatus of air conditioner 92 observe, be defined below each line L2, SL1, SL2,
SL4 and each angle, θ 0, θ a, θ b, θ c, θ d.About fan reference horizontal line L1 and the 3rd straight line SL3, as above
Described.
Vortex datum line L2 is the round 30a linked up the outer end of multiple fan wings 31 of cross flow fan 30
Tangent line, and be in the straight line tangent with the bottom 73 of regulator 17 with fan reference horizontal line L1 angulation
Minimum straight line.Here, the regulator 17 of the upper wall of blow out air stream 10c near blow-off outlet 10b is become
Bottom 73 is plane, and the straight line extended from this plane rearwardly side is observed tangent with circle 30a from longitudinal section, therefore should
Straight line is vortex datum line L2.
References angle θ 0 is fan reference horizontal line L1 and vortex datum line L2 angulation.
1st straight line SL1 is the straight line linked up by face side closest approach P7 and fan center's point O, Qi Zhongzheng
Side, face closest approach P7 be regulator 17 top 72 in point immediate with cross flow fan 30.
1st angle, θ a is the 1st straight line SL1 and fan reference horizontal line L1 angulation.
2nd straight line SL2 is the straight line linked up by rear side closest approach P8 and fan center's point O, wherein carries on the back
Side, face closest approach P8 is point immediate with cross flow fan 30 in rear guider 18.
2nd angle, θ b is the 2nd straight line SL2 and fan reference horizontal line L1 angulation.
3rd angle, θ c is above-mentioned heat exchanger lower angular θ c, is the 3rd straight line SL3 and fan reference horizontal line
L1 angulation.
4th straight line SL4 be the bottom 22a by rear side heat exchange department 22 and fan center's point O straight line in
The straight line that fan reference horizontal line L1 angulation is minimum.
4th angle, θ d is the 4th straight line SL4 and fan reference horizontal line L1 angulation.
In indoor apparatus of air conditioner 92, regulator 17, rear guider 18, heat exchanger 20 and cross flow fan 30
It is configured to so: each line L2, SL1, SL2, SL4 as defined above and each angle, θ 0, θ a, θ b, θ c, θ d
It is satisfied by the 1st following angular relationship formula～the 5th angular relationship formula,
1st angular relationship formula: (θ a-θ 0) ＞ 16 °
2nd angular relationship formula: 17 ° of ＜ (θ b-θ 0) ＜ 26 °
3rd angular relationship formula: θ b >=θ a
4th angular relationship formula: θ c ＞ θ a
5th angular relationship formula: θ d ＜ θ b.
By meeting these formulas, as described later, surge endurance improves, and the increase of fan power is suppressed, but
In indoor apparatus of air conditioner 92, have employed the values below meeting these formulas:
References angle θ 0=28 °
1st angle, θ a=48 °
2nd angle, θ b=51 °
3rd angle, θ c=52 °
4th angle, θ d=31 °
(4) feature
(4-1)
Indoor apparatus of air conditioner 92 according to present embodiment, by regulator 17, rear guider 18 and cross flow fan 30
It is configured to the 1st angular relationship formula, the 2nd angular relationship formula and the 3rd angular relationship formula be satisfied by rather than meet above-mentioned
The 1st angular relationship formula, the 2nd angular relationship formula and the 3rd angular relationship formula in any one.
Owing to have employed this configuration, by the height and position of the face side closest approach P7 of regulator 17 is suppressed relatively
Low, thus the air stream flowed to cross flow fan 30 from the bottom 21a of face side heat exchange department 21 is hindered
Situation tails off.That is, produce the air of low loss to cross flow fan 30 from the bottom 21a of face side heat exchange department 21
Stream.Fig. 4 shows the data on the basis becoming the 1st angular relationship formula.In the graph in fig. 4, transverse axis is differential seat angle
(θ a-θ 0), the longitudinal axis is that the load i.e. fan power of the motor of cross flow fan 30 is with the ratio of certain reference value specified
Improved efficiency amount.The result of test is, in the case of differential seat angle (θ a-θ 0) is less than 16 °, and improved efficiency amount
Little, if more than 16 °, then improved efficiency quantitative change is big.Differential seat angle (θ a-θ 0) be 17 °, 20 °, 24 °,
Under either case in 28 °, equal improved efficiency amount is big, it is possible to the increase of suppression fan power.
Additionally, by the configuration used in this indoor apparatus of air conditioner 92, it is possible to what is called fan is sucked angle, and (the 1st is straight
The angle of suction inlet 10a side formed by line SL1 and the 2nd straight line SL2) within 180 ° in the range of increase.Here,
It is 180 ° of-θ b+ θ a=177 ° that fan sucks angle, it is possible to suppress from cross flow fan 30 towards the sky of blow-off outlet 10b
Air-flow is to suction inlet 10a side reflux.That is, in indoor apparatus of air conditioner 92, surge endurance improves.It addition, conventional sky
It is many at about 170 ° that the fan adjusting indoor set sucks angle.
Further, in indoor apparatus of air conditioner 92, by the height position by the rear side closest approach P8 of rear guider 18
Put the scope controlled suitable such that it is able to the increase of the fan power that suppression is caused by guider after excessively reducing by 18,
Energy saving improves.If that is, the height and position of the rear side closest approach P8 of guider 18, then vortex after excessively reducing
The blow out air stream 10c of the air of shape shortens, additionally, is produced from cross flow fan 30 side of rear side closest approach P8
The retentivity in raw circulation whirlpool dies down, the turbulent flow increase on the surface of Vorticose blow out air stream 10c, fan power
Become big, but according to above-mentioned rear guider 18 and the configuration of cross flow fan 30, it is possible to the such fan power of suppression
Increase.Fig. 5 shows the data on the basis becoming the 2nd angular relationship formula.In the chart of Fig. 5, transverse axis is angle
Spending poor (θ b-θ 0), the longitudinal axis is the improved efficiency amount as Fig. 4.The result of test is, at differential seat angle (θ b-θ 0)
Less than 17 ° or more than in the case of 26 °, improved efficiency amount is little, in the situation of the scope being in 17 °～26 °
Under, improved efficiency quantitative change is big.Differential seat angle (θ b-θ 0) be 18 °, 22 °, under either case in 25 ° all
Improved efficiency amount is big, it is possible to the increase of suppression fan power.
As it has been described above, in the indoor apparatus of air conditioner 92 of present embodiment, by by regulator 17, rear guider 18
It is configured to the 1st angular relationship formula, the 2nd angular relationship formula and the 3rd angular relationship formula with cross flow fan 30 be satisfied by,
Raising and the suppression of fan power increase of surge endurance can be taken into account.
(4-2)
In indoor apparatus of air conditioner 92, the bottom 21a of face side heat exchange department 21 is arranged in relatively low position to meet the
4 angular relationship formulas, the bottom 22a of rear side heat exchange department 22 is arranged in relatively low position and closes to meet the 5th angle
Being formula, therefore the capacity of heat exchanger 20 becomes big.Particularly, the 3rd angle, θ c is more than 45 °, in air conditioning chamber
In interior machine 92, owing to have employed the structure extended downwards by the bottom 21a of face side heat exchange department 21, therefore can
Enough guarantee the capacity of the biggest heat exchanger 20.If carrying such big heat exchanger 20, then handed over by heat
The distribution skew of generation part of the air stream of parallel operation and hinder air stream, fan power easily becomes big, but in air conditioning chamber
In interior machine 92, the most all meet the 1st angular relationship formula, the 2nd angular relationship formula and owing to have employed
The parts configuration of 3 angular relationship formulas, therefore, from bottom 21a, 22a of heat exchanger 20 to cross flow fan 30
The air stream of flowing is susceptible to hinder, and bottom 21a, 22a current-sharing at each heat exchange department 21,22 has more air.
That is, the energy saving of indoor apparatus of air conditioner 92 improves.
(4-3)
In indoor apparatus of air conditioner 92, use the structure sucked by room air from suction inlet 10a, described suction inlet 10a
It is formed at the end face of the shell 10 being in the position higher than fan center's point O, and, have employed face side heat exchange
The bottom 21a in portion 21, the bottom 40a of filter 40 are respectively positioned on the structure than fan center's point O position on the lower.
Therefore, in the case of the way following conventional design, by the sky of the bottom 21a of face side heat exchange department 21
The quantitative change of gas is few, it is impossible to effectively utilize whole heat exchanger 20.
Therefore, in indoor apparatus of air conditioner 92, first, the bottom 40a of filter 40 is extended to downwards than ever
Low position is to meet the 1st above-mentioned formula, it is ensured that air by the bottom 40a of this filter 40 towards front
The stream of the bottom 21a of side heat exchange department 21.
Further, in indoor apparatus of air conditioner 92, by cross flow fan 30, heat exchanger 20, filter 40 and front
Panel 15 is configured to three clearance distances D1, D2, D3 and meets the 2nd above-mentioned formula, suppresses indoor apparatus of air conditioner 92
Depth size while, (clearance distance is the 3rd distance to reduce the gap by filter 40 with front panel 15
D3) and from suction inlet 10a to the bottom 21a diffluence of the bottom 40a of filter 40 and face side heat exchange department 21
The pressure loss of air flow circuit.Thereby, it is possible to guarantee the bottom 21a's by face side heat exchange department 21 fully
The amount of air, it is possible to realize the structure that heat exchanger 20 entirety is used effectively.
By using configuration as above, in indoor apparatus of air conditioner 92, it is possible to the most excessively reducing heat exchanger 20
Expand towards face side heat exchange department 21 with in the case of the clearance distance (the 1st distance D1) of cross flow fan 30
The width of air flow circuit of bottom 21a, it is possible to suppression frictional resistance (pressure loss).Additionally, due to make the 2nd
Distance D2 is more than the 1st distance D1, makes the 3rd distance D3 more than the 2nd distance D2 to guarantee more to be remote from cross-flow type
The flow path width of fan 30 is the widest, therefore, as in figure 2 it is shown, from suction inlet 10a to face side heat exchange department 21
The space of the midway narrowed width of bottom 21a disappears, and compared with conventional structure, fluid friction resistance is greatly decreased.
(4-4)
In indoor apparatus of air conditioner 92, use the configuration meeting each parts as the 2nd formula with suppression depth size (figure
The size of the left and right directions in 2), if excessively reducing the 1st distance D1, then face side heat exchange department 21 and cross-flow type
The distance of fan 30 too close to, air by face side heat exchange department 21 time likely send noise.Particularly,
Indoor apparatus of air conditioner 92 at the external diameter little (5mm or 4mm) of the heat exchanger 20 and this pipe using fin tube type
In, the speed fluctuation in the cycle of the fluid with Karman vortex as representative produces the disorderly strong variation of higher frequency, due to
The interaction of the pressure oscillation with cycle of the fan wing 31, the probability producing high-frequency Discrete Dipole Approximation is high.
In order to must be less by this noise suppressed, in indoor apparatus of air conditioner 92, have employed that to meet the 3rd above-mentioned formula such
The configuration of each parts.That is, by making the cross flow fan 30 at the height and position of fan center's point O and face side
The clearance distance of heat exchange department 21 that is the 1st distance D1 becomes the size of exceed fan radius R 30%, thus will
Noise control in allowed band.As long as guaranteeing the size of the 1st distance D1 of this indoor apparatus of air conditioner 92, then can make
Collide with the fan wing 31 after being melted into acyclic broadband turbulent structure by the air rheology after heat exchanger 20, energy
The periodic noise that enough interactions reduced with the fan wing 31 cause.
(4-5)
In indoor apparatus of air conditioner 92, front panel 15 is configured to meet the 4th above-mentioned formula, from fan center's point O
Smaller to the distance (the 4th distance D4) of front panel 15.Thereby, it is possible to realize inhibiting the thin of depth size
The indoor apparatus of air conditioner 92 of type, but it is satisfied by the 1st formula～the structure of the 3rd formula owing to have employed simultaneously, therefore, even if
It is that slim also being able to is efficiently used heat exchanger 20 entirety.
Label declaration
10: shell
10b: blow-off outlet
10c: blow out air stream
17: regulator
18: rear guider
20: heat exchanger
21: face side heat exchange department
21a: the bottom of face side heat exchange department
22: rear side heat exchange department
22a: the bottom of rear side heat exchange department
30: cross flow fan
30a: the circle that the outer end of the wing is linked up
31: the fan wing (wing)
71: the tongue of regulator
72: the top of regulator
73: the bottom of regulator
92: indoor apparatus of air conditioner
L1: fan reference horizontal line
L2: vortex datum line
O: fan center point
The face side closest approach of P7: regulator
The rear side closest approach of P8: rear guider
θ 0: references angle
θ a: the 1 angle
θ the b: the 2 angle
θ the c: the 3 angle
θ the d: the 4 angle
SL1: the 1 straight line
SL2: the 2 straight line
SL3: the 3 straight line
SL4: the 4 straight line
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2008-8500 publication
Claims (2)
1. an indoor apparatus of air conditioner (92), this indoor apparatus of air conditioner is wall-mounted, wherein,
Above-mentioned indoor apparatus of air conditioner possesses:
Cross flow fan (30), it is circumferentially arranged with multiple wing (31), and generates air stream；
Shell (10), it regulator (17) including face side and the rear guider (18) of rear side, aforementioned stable
Device is divided into top (72) and bottom (73) across tongue (71), utilizes aforementioned stable device and above-mentioned rear guider
Form the blow out air stream (10c) of the Vorticose air flowed from above-mentioned cross flow fan to blow-off outlet (10b)；
And
Heat exchanger (20), it includes face side heat exchange department (21) and rear side heat exchange department (22), above-mentioned heat
Exchanger is arranged in the air stream upstream side of above-mentioned cross flow fan,
Aforementioned stable device, above-mentioned rear guider and above-mentioned cross flow fan are configured to so:
Observe from longitudinal section,
Using the horizontal line of the i.e. fan center of the center of rotation by above-mentioned cross flow fan point (O) as fan reference water
Horizontal line (L1),
Using the tangent line of the circle (30a) of the outer end as the multiple above-mentioned wing linking above-mentioned cross flow fan and with upper
State straight line minimum with said fans reference horizontal line angulation in the straight line that the above-mentioned bottom of regulator is tangent to make
For vortex datum line (L2),
Using said fans reference horizontal line and above-mentioned vortex datum line angulation as references angle θ 0,
Straight line that is the 1st straight line (SL1) of face side closest approach (P7) and said fans central point will be linked with upper
State fan reference horizontal line (L1) angulation as the 1st angle, θ a, the most above-mentioned face side closest approach (P7)
It is point immediate with above-mentioned cross flow fan in the above-mentioned top of aforementioned stable device,
Straight line that is the 2nd straight line (SL2) of rear side closest approach (P8) and said fans central point will be linked with upper
State fan reference horizontal line (L1) angulation as the 2nd angle, θ b, the most above-mentioned rear side closest approach (P8)
It is point immediate with above-mentioned cross flow fan in above-mentioned rear guider,
Now, relationship below is met:
1st angular relationship formula: (θ a-θ 0) ＞ 16 °；
2nd angular relationship formula: 17 ° of ＜ (θ b-θ 0) ＜ 26 °；And
3rd angular relationship formula: θ b >=θ a.
Indoor apparatus of air conditioner the most according to claim 1, wherein,
Aforementioned stable device, above-mentioned rear guider, above-mentioned heat exchanger and above-mentioned cross flow fan are configured to so:
Observe from longitudinal section,
The bottom (21a) of above-mentioned face side heat exchange department is positioned at than said fans reference horizontal line (L1) position on the lower
Put,
The bottom (22a) of above-mentioned rear side heat exchange department is positioned at the position more top than said fans reference horizontal line (L1)
Put,
With said fans base in by by the bottom of above-mentioned face side heat exchange department and the straight line of said fans central point
The maximum straight line of quasi-horizontal line (L1) angulation as the 3rd straight line (SL3),
Using above-mentioned 3rd straight line and said fans reference horizontal line angulation as the 3rd angle, θ c,
By by the bottom of above-mentioned rear side heat exchange department and the straight line of said fans central point with said fans benchmark
The minimum straight line of horizontal line angulation as the 4th straight line (SL4),
During using above-mentioned 4th straight line and said fans reference horizontal line angulation as the 4th angle, θ d,
Meet relationship below:
4th angular relationship formula: θ c ＞ θ a；And
5th angular relationship formula: θ d ＜ θ b.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013272121A JP5862655B2 (en) | 2013-12-27 | 2013-12-27 | Air conditioning indoor unit |
| JP2013-272121 | 2013-12-27 | ||
| PCT/JP2014/083440 WO2015098657A1 (en) | 2013-12-27 | 2014-12-17 | Indoor air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105849467A true CN105849467A (en) | 2016-08-10 |
| CN105849467B CN105849467B (en) | 2017-12-01 |
Family
ID=53478521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480070842.2A Active CN105849467B (en) | 2013-12-27 | 2014-12-17 | Indoor apparatus of air conditioner |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20170003038A1 (en) |
| EP (1) | EP3088806B1 (en) |
| JP (1) | JP5862655B2 (en) |
| CN (1) | CN105849467B (en) |
| AU (1) | AU2014371321B2 (en) |
| BR (1) | BR112016014857B1 (en) |
| ES (1) | ES2667960T3 (en) |
| MY (1) | MY164382A (en) |
| WO (1) | WO2015098657A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490066A (en) * | 2017-08-25 | 2017-12-19 | 武汉凌达压缩机有限公司 | Indoor set and air-conditioning system |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019230988A1 (en) * | 2018-06-01 | 2019-12-05 | ダイキン工業株式会社 | Blowing device |
| US11624514B2 (en) * | 2019-02-03 | 2023-04-11 | Gd Midea Air-Conditioning Equipment Co., Ltd. | Window air conditioner with water receiving pan and filter screen support |
| JP7244773B2 (en) * | 2021-01-22 | 2023-03-23 | ダイキン工業株式会社 | Wall-mounted air conditioning indoor units and air conditioners |
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| CN1223360A (en) * | 1998-01-12 | 1999-07-21 | 三菱电机株式会社 | DC blower |
| CN1224121A (en) * | 1998-01-19 | 1999-07-28 | 三菱电机株式会社 | Through-flow fan |
| JP2001280288A (en) * | 2000-03-31 | 2001-10-10 | Daikin Ind Ltd | Impeller structure of multiblade blower |
| CN1392940A (en) * | 2000-09-29 | 2003-01-22 | 三菱电机株式会社 | Air conditioner |
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| JP2006177641A (en) * | 2004-12-24 | 2006-07-06 | Mitsubishi Electric Corp | Air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002276585A (en) * | 2001-03-23 | 2002-09-25 | Mitsubishi Heavy Ind Ltd | Indoor unit and air conditioner |
| CN1282853C (en) * | 2001-03-23 | 2006-11-01 | 三菱重工业株式会社 | Indoor unit and air conditioner |
| JP2008008500A (en) | 2006-06-27 | 2008-01-17 | Matsushita Electric Ind Co Ltd | Air conditioner |
-
2013
- 2013-12-27 JP JP2013272121A patent/JP5862655B2/en active Active
-
2014
- 2014-12-17 EP EP14874416.2A patent/EP3088806B1/en active Active
- 2014-12-17 WO PCT/JP2014/083440 patent/WO2015098657A1/en active Application Filing
- 2014-12-17 BR BR112016014857-6A patent/BR112016014857B1/en active IP Right Grant
- 2014-12-17 AU AU2014371321A patent/AU2014371321B2/en active Active
- 2014-12-17 CN CN201480070842.2A patent/CN105849467B/en active Active
- 2014-12-17 US US15/107,436 patent/US20170003038A1/en not_active Abandoned
- 2014-12-17 ES ES14874416.2T patent/ES2667960T3/en active Active
- 2014-12-17 MY MYPI2016702107A patent/MY164382A/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1223360A (en) * | 1998-01-12 | 1999-07-21 | 三菱电机株式会社 | DC blower |
| CN1224121A (en) * | 1998-01-19 | 1999-07-28 | 三菱电机株式会社 | Through-flow fan |
| JP2001280288A (en) * | 2000-03-31 | 2001-10-10 | Daikin Ind Ltd | Impeller structure of multiblade blower |
| CN1392940A (en) * | 2000-09-29 | 2003-01-22 | 三菱电机株式会社 | Air conditioner |
| CN1690538A (en) * | 2001-03-23 | 2005-11-02 | 三菱重工业株式会社 | Indoor unit and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107490066A (en) * | 2017-08-25 | 2017-12-19 | 武汉凌达压缩机有限公司 | Indoor set and air-conditioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015124985A (en) | 2015-07-06 |
| EP3088806A1 (en) | 2016-11-02 |
| AU2014371321B2 (en) | 2016-08-04 |
| US20170003038A1 (en) | 2017-01-05 |
| EP3088806A4 (en) | 2017-03-01 |
| BR112016014857A2 (en) | 2017-08-08 |
| EP3088806B1 (en) | 2018-04-18 |
| BR112016014857B1 (en) | 2022-05-03 |
| MY164382A (en) | 2017-12-15 |
| JP5862655B2 (en) | 2016-02-16 |
| CN105849467B (en) | 2017-12-01 |
| ES2667960T3 (en) | 2018-05-16 |
| WO2015098657A1 (en) | 2015-07-02 |
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