CN106403135A - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
- Publication number
- CN106403135A CN106403135A CN201610921739.5A CN201610921739A CN106403135A CN 106403135 A CN106403135 A CN 106403135A CN 201610921739 A CN201610921739 A CN 201610921739A CN 106403135 A CN106403135 A CN 106403135A
- Authority
- CN
- China
- Prior art keywords
- air
- air channel
- centrifugal blower
- indoor apparatus
- air conditioner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
-
- 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
- F24F13/20—Casings or covers
- F24F2013/205—Mounting a ventilator fan therein
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an indoor unit of an air conditioner, and relates to the technical field of air conditioners. By adoption of the indoor unit of the air conditioner, the problem that in the prior art, air cannot come out of an air outlet of an air conditioner evenly is solved. The indoor unit of the air conditioner comprises a shell. An air duct is formed in the shell. A centrifugal fan is mounted in the air duct and fixed to the shell. An air inlet and an air outlet are formed in the shell and both communicate with the air duct. The air inlet is opposite to the air inlet side of the centrifugal fan, and the air outlet is arranged in the radial direction of the centrifugal fan. The portion, opposite to the side face of the centrifugal fan, of the air duct contracts gradually in the air inlet direction of the centrifugal fan. The indoor unit of the air conditioner is used for regulating the temperature of indoor air.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly, to a kind of indoor apparatus of air conditioner.
Background technology
At present, conventional air-conditioning in family is split-type air conditioner, and split-type air conditioner includes indoor set and off-premises station, wherein,
The frame for movement of indoor set is：Including housing, the backboard of housing is provided with centrifugal blower, centrifugal blower is located at setting in housing
Air channel in, housing offers air inlet and air outlet, air inlet is relative with the inlet side of centrifugal blower, and air outlet is arranged at
The radial direction of centrifugal blower, the wheel disc of centrifugal blower is relative with the backboard of housing.
When air inlet enters in air channel, the wheel disc bottom surface because of air channel and centrifugal blower collides air, can cause
Fraction loses, and only a small amount of air can blow out along centrifugal blower near the side of wheel disc bottom surface, thus result in air outlet
Air output near housing backboard side less so that air-out volume is uneven, the air quantity near centrifugal blower inlet side is big, leans on
The air quantity of nearly housing backboard side is little.
Content of the invention
Embodiments of the invention provide a kind of indoor apparatus of air conditioner, it is possible to resolve because air-conditioner air outlet air-out is uneven in prior art
Problem.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that：
A kind of indoor apparatus of air conditioner, including housing, is provided with air channel in described housing, is provided with centrifugal blower in described air channel,
Described centrifugal blower is fixed on described housing, and described housing offers air inlet and air outlet, described air inlet and described
Air outlet is all connected with described air channel, and described air inlet is relative with the inlet side of described centrifugal blower, and described air outlet is arranged at
The radial direction of described centrifugal blower, the described air channel part relative with described centrifugal blower side is along the air intake side of described centrifugal blower
To gradually tapering up.
Indoor apparatus of air conditioner provided in an embodiment of the present invention, installs centrifugal blower in the air channel of housing, centrifugal blower is fixed
On housing, housing is offered the air inlet being connected with air channel and air outlet, air inlet is relative with the inlet side of centrifugal blower,
Air outlet is arranged at the radial direction of centrifugal blower, because the air channel part relative with centrifugal blower side is along the air intake side of centrifugal blower
To gradually tapering up, more air can be fed to the side near hub disk for the centrifugal blower along air channel, therefore, can improve sky
Tune air outlet air quantity near hub disk side near centrifugal blower, makes the air-out of air outlet more uniform.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structure decomposition figure of indoor apparatus of air conditioner in the embodiment of the present invention；
Fig. 2 be in the embodiment of the present invention indoor apparatus of air conditioner centrifugal blower be installed on side structure schematic diagram in air channel it
One；
Fig. 3 be in the embodiment of the present invention indoor apparatus of air conditioner centrifugal blower be installed on side structure schematic diagram in air channel it
Two；
Fig. 4 is one of structural representation of centrifugal blower in embodiment of the present invention indoor apparatus of air conditioner；
Fig. 5 is one of structural representation of centrifugal blower fan blade wheel in embodiment of the present invention indoor apparatus of air conditioner；
Fig. 6 is two of the structural representation of centrifugal blower fan blade wheel in embodiment of the present invention indoor apparatus of air conditioner；
Fig. 7 is two of the structural representation of centrifugal blower in embodiment of the present invention indoor apparatus of air conditioner；
Fig. 8 is the structural representation of indoor apparatus of air conditioner in the embodiment of the present invention；
Fig. 9 is the part-structure schematic diagram of indoor apparatus of air conditioner in the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
In describing the invention it is to be understood that term " " center ", " on ", D score, "front", "rear", " left ",
The orientation of instruction such as " right ", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are based on shown in the drawings
Orientation or position relationship, be for only for ease of description the present invention and simplify description, rather than instruction or hint indication device or
Element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Split-type air conditioner includes indoor set and off-premises station, and wherein, indoor set includes housing, setting air channel in housing, and
In air channel, setting blower fan and heat exchanger, by assembling on the backboard of housing, open up air inlet and air-out on housing respectively
Mouthful, indoor air is entered by air inlet after carrying out heat exchange in heat exchanger, by through heat exchanger under centrifugal blower acts on
Air is extracted out and is delivered to air outlet, completes a heat transfer process.
With reference to Fig. 1～3, the indoor apparatus of air conditioner of the embodiment of the present invention, including housing 1, air channel 2, air channel 2 are set in housing 1
Interior installation centrifugal blower 3, centrifugal blower 3 is fixed on housing 1, and opens up air inlet 11 and air outlet 12 on housing 1, will
Air inlet 11 is connected with air channel 2 with air outlet 12, and wherein, air inlet 11 is relative with the inlet side 31 of centrifugal blower 3, air outlet 12
It is arranged at the radial direction of centrifugal blower 3, Fig. 2 arrow show air intake direction and air-out direction, and air channel 2 is designed as：With centrifugation
The relative part air channel in blower fan 3 side is along the structure that gradually tapers up of air intake direction of centrifugal blower 3.
Indoor apparatus of air conditioner provided in an embodiment of the present invention, installs centrifugal blower 3, by centrifugal blower 3 in the air channel 2 of housing 1
It is fixed on housing 1, housing 1 is offered the air inlet 11 being connected with air channel 2 and air outlet 12, air inlet 11 and centrifugal blower
Relatively, air outlet 12 is arranged at the radial direction of centrifugal blower 3, because air channel 2 is relative with centrifugal blower 3 side for 3 inlet side 31
Part gradually tapers up along the air intake direction of centrifugal blower 3, and more air can be fed to centrifugal blower 3 near leaf along air channel 2
The side of wheel wheel disc, therefore, can improve at air-conditioner air outlet near centrifugal blower near the air quantity of hub disk side, make air-out
The air-out of mouth is more uniform.
The impeller 32 of centrifugal blower 3 includes wheel disc 321, in order to improve the wheel disc near centrifugal blower fan blade wheel 32 further
The less problem of air output of 321 bottom section air-flows, by the diameter D near inlet side 31 one end for the impeller 32 of centrifugal blower 3
Design ground is not isometrical more than the diameter d away from centrifugal blower 3 inlet side 31 one end, impeller 32, and the diameter of impeller 32 is along air intake
Direction is gradually reduced, as shown in Figure 4.Said structure can shorten along the air-flow outflow blade outer end trailing edge away from centrifugal blower air intake
Time, and then improve near hub disk side go out wind velocity, so that the air-out of air outlet is more uniform.
The impeller 32 of centrifugal blower 3 also includes blade 322, and blade 322 is installed on wheel disc 321, based on above-described embodiment,
The blade 322 of the embodiment of the present invention away from centrifugal blower 3 axle center one end be blade 322 outer end 3221, blade 322 is outer
End 3221 is towards the opposite direction curved design of blade rotation direction, as shown in Fig. 5～6, the air-out to air-flow for such crankling vibration blade
Resistance is less, is more suitable for the change that air-flow flows out air current flow direction during blade tail end, it is possible to decrease air-flow is flowing out
During blade outer end wind speed loss, thus improve wind velocity, and adjust air-out direction so that air supplying distance farther out.
The inner 3222 that blade 322 is blade 322 near the one end in centrifugal blower 3 axle center, further, the present invention is implemented
In the inner 3222 of blade 322, the corner near centrifugal blower 3 inlet side 31 forms chamfering structure 3223 to example, as shown in fig. 7,
Because the inner chamfering structure of blade reduces length on air intake direction for the blade so that air-flow more can be flowed into blade
Inside, there is no the scheme of chamfering structure with respect to blade the inner, the blade of the centrifugal blower of the embodiment of the present invention is in inlet side
Less to the resistance of air-flow, accelerate air-flow and flow to the side near hub disk for the centrifugal blower, thus it is close to increase air outlet
The air output of hub disk side so that the air-out of air outlet evenly.
In the same manner, when the embodiment of the present invention is applied to some powerful indoor apparatus of air conditioner, the centrifugal blower 3 in air channel 2 is
Two, air channel 2 includes the first air channel 21 and the second air channel 22, and two centrifugal blowers 3 are respectively arranged at the first air channel 21 and second
Air channel 22, two centrifugal blowers 3 are respectively arranged in the first air channel 21 and the second air channel 22, and the first air channel 21 with corresponding
The relative part in centrifugal blower 3 side gradually taper up along air intake direction, the second air channel 22 and corresponding centrifugal blower 3 side phase
To part gradually taper up along air-out direction, as shown in Figure 3.
Impeller in view of two centrifugal blowers is oppositely oriented, the relatively rotating so that air outlet is near middle shape of blower fan
Become air-flow to cross so that air-flow wind speed reduces, lead to air quantity to weaken, air output is uneven, the comfort level of impact air-conditioning, therefore,
With reference to Fig. 8, the embodiment of the present invention arranges dividing plate 23 in housing 1, and air channel 2 is directly separated to form the first air channel 21 by dividing plate 23
With the second air channel 22, two centrifugal blowers 3 are mounted side by side, and the impeller 32 of two centrifugal blowers 3 is oppositely oriented, and in dividing plate 23
First snail tongue 24 is being set near one end of air outlet 12, the first snail tongue 24 is being located in the first air channel 21, the first snail tongue 24 is used
It is directed at the side away from the second air channel 22 in the air-out near dividing plate 23 side by the first air channel 21, prevent air outlet in interposition
Put formation air-flow to cross, thus improve the wind speed of air-flow, it is to avoid air-out is uneven and the comfort level that affects air-conditioning.
On the basis of above-described embodiment it is preferable that the dividing plate 23 of the embodiment of the present invention near air outlet 12 one end also
Be provided with the second snail tongue 25, the second snail tongue 25 is located in the second air channel 22, this second snail tongue 25 be used for by the second air channel 22 near every
The air-out of plate 23 side is directed at the side away from the first air channel 21, prevents air outlet from forming air-flow in centre position further and hands over
Converge.
With reference to Fig. 4 and Fig. 9, centrifugal blower 3 is installed on the first side wall 13 of housing 1, the wheel disc 321 of centrifugal blower 3 and the
Relatively, air channel 2 is connected side wall 13 with the first side wall 13, and the angle between air channel 2 and the first side wall 13 is α, blade outer end
Angle β=α between the wheel disc 321 of wall and centrifugal blower 3 inlet side 31.The so contraction air channel of design and centrifugal blower 3
Impeller outer end incline structure so that the air velocity that flows out from air outlet after passing through centrifugal blower 3 of air-flow is very fast, and change
The blow-off direction becoming air-flow is so that the air-out of air outlet is more uniform.
With reference to Fig. 1, the first side wall 13 of the embodiment of the present invention is the backboard of housing 1, respectively will by two electric machine supports
Two centrifugal blowers 3 are fixed on backboard, and air inlet 11 is arranged on the front panel of housing 1, and air outlet 12 is 2, and 2 are gone out
Air port 12 be respectively arranged at can make on the top board and base plate of housing 1 air-conditioning air output larger, and not blow-through human body, it is to avoid draw
Rise uncomfortable.
If additionally, the angle α between air channel 2 and the first side wall 13 is less than 100 °, the wheel disc 321 of centrifugal blower 3 will be directed at
The gas of side is less, and the air-out inequality problem of air outlet cannot be improved；If the angle between air channel 2 and the first side wall 13
α is more than 110 °, and the radial dimension in air channel 2 is larger, can increase the volume of indoor apparatus of air conditioner, it is therefore preferred that the present invention is implemented
Angle α between the air channel 2 of example and the first side wall 13 is 100 °～110 °,
Further, with reference to Fig. 8, the first snail tongue 24 is arranged by the embodiment of the present invention towards the first air channel 21 inner process, corresponding
The second snail tongue 25 arrange towards the second air channel 22 inner process, the line AB and second of peak A and minimum point B in the first snail tongue 24
In snail tongue 25, the angle γ between the line BC of peak C and minimum point B is 20 °～60 °, if the angle between AB and BC is less than
20 °, air-flow still has more crossing at snail tongue, and impact air-out is uniform；If the angle between AB and BC is more than 60 °, air-flow pair
The shock of snail tongue is more, leads to noise larger, and therefore, the snail tongue angle design of the embodiment of the present invention can increase air-out and can subtract again
Little noise.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by described scope of the claims.
Claims (10)
1. a kind of indoor apparatus of air conditioner, including housing, is provided with air channel in described housing, is provided with centrifugal blower, institute in described air channel
State centrifugal blower to be fixed on described housing, described housing offer air inlet and air outlet, described air inlet and described go out
Air port is all connected with described air channel, and described air inlet is relative with the inlet side of described centrifugal blower, and described air outlet is arranged at institute
State the radial direction of centrifugal blower it is characterised in that the described air channel part relative with described centrifugal blower side is along described centrifugation wind
The air intake direction of machine gradually tapers up.
2. indoor apparatus of air conditioner according to claim 1 is it is characterised in that the impeller of described centrifugal blower is near described centrifugation
Blower fan inlet side one end with diameter greater than described impeller away from described centrifugal blower inlet side one end diameter.
3. indoor apparatus of air conditioner according to claim 2 it is characterised in that described blade away from described centrifugal blower axle center
One end be blade outer end, the outer end of described blade is towards the opposite direction bending of described blade rotation direction.
4. indoor apparatus of air conditioner according to claim 1 is it is characterised in that described blade is near described centrifugal blower axle center
One end is the inner of blade, and the inner of described blade corner near described centrifugal blower inlet side is formed with chamfering.
5. indoor apparatus of air conditioner according to claim 1 it is characterised in that described centrifugal blower is two, wrap by described air channel
Include the first air channel and the second air channel, two described centrifugal blowers are respectively arranged in described first air channel and described second air channel,
The described first air channel part relative with corresponding described centrifugal blower side gradually tapers up along air intake direction, described second air channel
The part relative with corresponding described centrifugal blower side gradually tapers up along air intake direction.
6. indoor apparatus of air conditioner according to claim 5 is it is characterised in that be provided with dividing plate in described housing, described first wind
Road and described second air channel are separated by described dividing plate, and two described centrifugal blowers are mounted side by side, and two described centrifugal blowers
Impeller oppositely oriented, described dividing plate is being provided with the first snail tongue near one end of described air outlet, and described first snail tongue is located at institute
State in the first air channel, described first snail tongue is used for being directed at away from described described first air channel near the air-out of described dividing plate side
The side in the second air channel.
7. indoor apparatus of air conditioner according to claim 6 is it is characterised in that described dividing plate is in the one end near described air outlet
It is additionally provided with the second snail tongue, described second snail tongue is located in described second air channel, and described second snail tongue is used for described second air channel
Air-out near described dividing plate side is directed at the side away from described first air channel.
8. indoor apparatus of air conditioner according to claim 2 is it is characterised in that described centrifugal blower is installed on the of described housing
Side wall, the hub disk of described centrifugal blower is relative with described the first side wall, and described air channel is connected with described the first side wall, institute
Stating the angle between air channel and described the first side wall is α, the leaf of the wall of described blade outer end and described centrifugal blower inlet side
Angle β=α between wheel wheel disc.
9. indoor apparatus of air conditioner according to claim 8 is it is characterised in that folder between described air channel and described the first side wall
Angle α is 100 °～110 °.
10. indoor apparatus of air conditioner according to claim 7 is it is characterised in that described first snail tongue is towards in described first air channel
Projection is arranged, and described second snail tongue is towards described second air channel inner process setting, peak and minimum point in described first snail tongue
On line and described second snail tongue, the angle γ between peak and the line of minimum point is 20 °～60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610921739.5A CN106403135A (en) | 2016-10-21 | 2016-10-21 | Indoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610921739.5A CN106403135A (en) | 2016-10-21 | 2016-10-21 | Indoor unit of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106403135A true CN106403135A (en) | 2017-02-15 |
Family
ID=58012296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610921739.5A Pending CN106403135A (en) | 2016-10-21 | 2016-10-21 | Indoor unit of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106403135A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795514A (en) * | 2017-11-29 | 2018-03-13 | 莱克电气股份有限公司 | Centrifugal fan with impeller structure |
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| TWI235792B (en) * | 2003-11-04 | 2005-07-11 | Delta Electronics Inc | Centrifugal fan |
| JP2006284092A (en) * | 2005-03-31 | 2006-10-19 | Daikin Ind Ltd | Air conditioner |
| CN201297278Y (en) * | 2008-07-10 | 2009-08-26 | 江阴市农业药械厂 | Closed vane wheel with S-shaped novel vanes dedicated to small high-speed centrifugal fan |
| JP2010121616A (en) * | 2008-10-22 | 2010-06-03 | Daikin Ind Ltd | Air blower |
| EP2461042A2 (en) * | 2010-12-03 | 2012-06-06 | LG Electronics Inc. | Air blower for an air conditioner |
| CN104896582A (en) * | 2015-05-08 | 2015-09-09 | 珠海格力电器股份有限公司 | Air conditioner |
| CN105090104A (en) * | 2015-06-25 | 2015-11-25 | 海信（山东）空调有限公司 | Air conditioner outdoor unit with inclined centrifugal fan and air conditioner |
| CN105674527A (en) * | 2016-04-13 | 2016-06-15 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and air conditioner |
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2016
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI235792B (en) * | 2003-11-04 | 2005-07-11 | Delta Electronics Inc | Centrifugal fan |
| JP2006284092A (en) * | 2005-03-31 | 2006-10-19 | Daikin Ind Ltd | Air conditioner |
| CN201297278Y (en) * | 2008-07-10 | 2009-08-26 | 江阴市农业药械厂 | Closed vane wheel with S-shaped novel vanes dedicated to small high-speed centrifugal fan |
| JP2010121616A (en) * | 2008-10-22 | 2010-06-03 | Daikin Ind Ltd | Air blower |
| EP2461042A2 (en) * | 2010-12-03 | 2012-06-06 | LG Electronics Inc. | Air blower for an air conditioner |
| CN104896582A (en) * | 2015-05-08 | 2015-09-09 | 珠海格力电器股份有限公司 | Air conditioner |
| CN105090104A (en) * | 2015-06-25 | 2015-11-25 | 海信（山东）空调有限公司 | Air conditioner outdoor unit with inclined centrifugal fan and air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795514A (en) * | 2017-11-29 | 2018-03-13 | 莱克电气股份有限公司 | Centrifugal fan with impeller structure |
| CN107795514B (en) * | 2017-11-29 | 2024-03-26 | 莱克电气股份有限公司 | Centrifugal fan with impeller structure |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 266100 Zhuzhou Road, Laoshan District, Qingdao, Shandong Province, No. 151 Applicant after: Hisense (Shandong) Air-conditioning Co., Ltd. Address before: 266736 Hisense Road 1, South Village Town, Pingdu City, Qingdao, Shandong Applicant before: Hisense (Shandong) Air-conditioning Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |