CN101457953B - Indoor unit for air conditioner - Google Patents
Indoor unit for air conditioner Download PDFInfo
- Publication number
- CN101457953B CN101457953B CN2008101846712A CN200810184671A CN101457953B CN 101457953 B CN101457953 B CN 101457953B CN 2008101846712 A CN2008101846712 A CN 2008101846712A CN 200810184671 A CN200810184671 A CN 200810184671A CN 101457953 B CN101457953 B CN 101457953B
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- CN
- China
- Prior art keywords
- fan electromotor
- fixture
- fan
- indoor unit
- 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.)
- Expired - Fee Related
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- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The invention relates to an air-conditioner indoor unit. The air-conditioner comprises an indoor unit comprising a unit main body with a front panel and a back panel and a suction port and a blowing-off port; a heat exchanger mounted in an air flow path communicating the suction port and the blowing-off port, a fan and a fan motor in axle connection with the unit main body, and a fan motor fixation device for fixing the fan motor in the back panel. The fan motor fixation device comprises: a circumferential face covering part for covering all the circumferential face of the fan motor, a lateral flank covering part for covering the lateral flank of the fan motor, a fan-side flank covering part for covering the side surface at the fan-side of the fan motor, an outer bearing holding rack for holding the outer motor bearing of the fan motor and a fixation piece for fixing the fixation device of the fan motor on the back panel extending from the circumference of the outer bearing holding rack therefore the fan motor fixation device is fixed on the back panel.
Description
Technical field
The present invention relates to a kind of indoor unit for air conditioner, particularly be provided with the indoor unit for air conditioner of improved fan electromotor installation structure.
Background technology
Normally, indoor unit for air conditioner comprises the heat exchanger of indoor, it is placed in the current path of indoor unit main body and by air being sucked suction inlet and realizes heat exchange operation, with indoor fan gas is blown out blow-off outlet then after air conditioning, it is made up of the cross flow fan that is placed in the current path shell.
Fan electromotor is attached to a side surface of fan.Normally, fan electromotor is disposed in the space between the electric parts that is placed on unit main body one side, just that side of the heat exchanger of indoor.An end that connects the lead of fan electromotor power supply connects the connection terminal that is positioned on the fan electromotor outer peripheral face, and the other end is connected to the circuitry substrate of electric parts case.Yet, in being furnished with the upper space of fan electromotor, arranged an indoor side heat exchanger terminal tract and the guiding outdoor unit auxiliary connecting pipe.Therefore, just have, and for this reason, the arrangement of discharge opeing guiding to be convenient to the discharge liquid from the upper pipe drippage is directed to the drainage tray that is placed under the heat exchanger the worry of condensation water from the pipeline drippage.
In addition, also advised a kind ofly reducing the cost of part and the air conditioner of improvement ability, this is to realize by the mode of eliminating special-purpose rope fixture and reducing part, such as disclosing disclosed in the civilian No.10-110970 of this shop (patent disclosure text 1) at Japanese patent application (KOKAI).
Yet the air conditioner that discloses in patent disclosure text 1 is not to being dropped in the measure of the condensation water on the wire interconnecting piece.
Furtherly, at air conditioner under driven situation under the high humility indoor conditions, such as rainy season or when cleaning when the water of heat exchanger injection high pressure cleans air conditioner, the inside of indoor unit becomes high humility or moist situation, under certain situation, the discharge liquid that drips from indoor heat exchanger condenses on the rear side surface of fan electromotor upper surface discharge opeing guiding.Under described situation, flow to fan electromotor contact point and condensing water droplet downwards on wire interconnecting piece even if discharge liquid, creepage trace phenomenon and on fire also can take place.For this reason, in conventional art, for leakage structure has been paid super required unnecessary prompting far away, even if the creepage trace phenomenon does not take place yet on the fan electromotor contact point for water droplet drops on.
Summary of the invention
The present invention considers above-mentioned circumstances and conceives, and its objective is the indoor unit that a kind of air conditioner is provided, condensate water or moist harmful effect that it can protect the electric wire connecting portion of motor of air conditioner motor can not be dripped.
According to the present invention, the target that reaches other above can be reached by a kind of indoor unit for air conditioner is provided, and it comprises:
Unit main body, it has front panel and back plate, and is provided with suction inlet and blow-off outlet in the unit main body front side;
Heat exchanger, it is placed in the current path that is communicated with suction inlet and blow-off outlet;
Fan and fan electromotor, they along they axial connection and be placed in the unit main body; And
The fan electromotor fixture is fixed to fan electromotor on the plate of back by described fan electromotor fixture,
The fan electromotor fixture comprises:
The side face cap, it covers the whole outer peripheral face of fan electromotor;
The outer lateral side cap, it covers the outer lateral side of fan electromotor;
Fan side side cap, it covers the side of the fan side of fan electromotor;
The outboard bearing retainer, it keeps the outside motor bearings of fan electromotor; And
Be used for the fan electromotor fixture is fixed to the fixture of back plate, described fixture stretches out the fan electromotor fixture is fixed to the back plate from the outer peripheral face of outboard bearing retainer.
What may expect is that its outer peripheral face of fan electromotor is provided with wire interconnecting piece, and described wire interconnecting piece is disposed in the bottom place of rear surface side of the side face cap of fan electromotor fixture.
In the preferred embodiment, can provide following concrete structure.
And the fan electromotor fixture has the cylindrical hollow configuration that is divided into one half ones.
The side face cap of fan electromotor fixture can have the width bigger than the side face width of fan electromotor, drops onto on the fan electromotor so that prevent condensation water.
The outer lateral side cap of fan electromotor fixture can have ventilation orifice, and ventilation orifice has outwards outstanding flange.
The fan side side cap of fan electromotor fixture can have the wall construction of not being with ventilation orifice.
The outboard bearing retainer has from fan side side cap and stretches out and cylindrical structural by outside motor bearings part and the maintenance of outboard bearing Shockproof rubber.
Being used for that the fan electromotor fixture is fixed to the fixture of back on the plate has and is used for the fan electromotor fixture is fixed to screw on the plate of back.
The structure above-mentioned according to the present invention, the fan electromotor electric wire connecting portion of indoor unit can protectedly not be subjected to the adhesion and the moisture effect of condensation water, thereby unit in a kind of improved air-conditioning safety unit room is provided.
Physical feature of the present invention and further individual feature will be by the introductions next done with reference to accompanying drawing and are more clear.
Description of drawings
In the accompanying drawings:
Fig. 1 is the side view that partially opens of indoor unit for air conditioner according to an embodiment of the invention;
Fig. 2 is the expansion perspective view of the necessary part of indoor unit for air conditioner shown in Fig. 1;
Fig. 3 is the magnification ratio perspective view of the fan electromotor mounting portion of indoor unit for air conditioner shown in Fig. 1;
Fig. 4 is the perspective view that is fixed to the fan electromotor on the fan electromotor fixture of indoor unit for air conditioner shown in Fig. 1; And
Fig. 5 is the perspective view of blower fan shown in Figure 1, has all been drawn visibly in its inside.
The specific embodiment
Indoor unit for air conditioner is introduced with reference to the accompanying drawings hereinafter according to an embodiment of the invention.Further, be noted that term " top ", " bottom ", " the right ", it is referring to drawn or with in fact mounted state among the figure that " left side " and similar term at this point use.
Referring to Fig. 1 and 2, indoor unit for air conditioner 1 comprises unit main body 2 according to an embodiment of the invention, and it has front panel 3 and rear board or plate 4 and is provided with the suction inlet 5 that is formed at the front panel front upper part and the blow-off outlet 6 that is formed at unit main body 2 preceding bottoms.
Shell 4a is formed into the central portion of back plate 4 on the downstream of the heat exchanger 8 of an indoor side, and shell 4a is equipped with cross flow fan 9.Make discharge liquid flow down the bottom that the drainage tray 10 that discharges is positioned in the heat exchanger 8 of an indoor side from heat exchanger 8.
One end 9a of cross flow fan 9 is attached to the rotating shaft (not shown) of fan electromotor 11 and rotates cross flow fan 9, and other end 9b is supported by fan spindle bearing 12, and fan spindle bearing 12 is installed on the fan spindle bearing installing component 13.Fan spindle bearing installing component 13 is installed to and is formed at the fan spindle bearing accommodation section 4b of back plate 4 one on distolateral.
Further, the fan electromotor 9 that is connected to an end 9a of cross flow fan 9 is covered by fan electromotor lid 14 and fan electromotor fixture 15, and fan electromotor lid 14 and fan electromotor fixture 15 are installed to subsequently and are formed at the back plate 4 other fan electromotor accommodation section 4c on distolateral.
Referring to Fig. 3 to 5, fan electromotor 11 is whole to be covered by fan electromotor fixture 15, and its upper surface one side is also covered by fan electromotor lid 14.
And, the part of fan electromotor lid 14 is in abutting connection with the electric parts case (not shown) that is positioned on unit main body 2 one sides, thereby on this part, form bulkhead 14b and prevent that the discharge liquid that drops onto discharge opeing guidance part 14a can be sprinkled upon that side of electric parts case, in addition, formed fan electromotor accommodation section 14c on the rear lower face side of discharge opeing guidance part 14a, it has fan electromotor 11 is contained in wherein space.
The fan electromotor that is contained among the 14c of this fan electromotor accommodation section is housed inside in the fan electromotor fixture 15, and fan electromotor fixture 15 has covered the whole external structure of fan electromotor 14.Usually, fan electromotor fixture 15 can have hollow cylindrical structure.
Upper and lower fixed part 16 and 17 is made up of following parts respectively: side face cap 16a, and 17a, thus the whole outer peripheral face that they cover fan electromotor 11 has prevented the condensation water drippage; Outer lateral side cap 16b, 17b, they cover the outer lateral side of fan electromotor 11; Fan side side cap 16c, 17c, they cover the side of the fan side of fan electromotor 11; Outboard bearing retainer 16d, 17d, they keep the outside motor bearings 11c of fan electromotor 11; And plate fixture 16e after the fan electromotor fixture, 17e (just the fan electromotor fixture being fixed to the fixture on the plate of back), they are from outboard bearing retainer 16d, thereby the outer peripheral face of 17d stretches out fan electromotor fixture 15 is fixed on the plate 4 of back.
Hereinafter, under the state of last fixed part 16 and 17 connections of following fixed part, further specifically introduce corresponding parts and part.
Outer lateral side cap 16b and 17b are positioned in the inboard at the outboard end edge of side face cap 16a and 17a, and are formed with ventilation orifice 16b1 and the 17b1 that emits fan electromotor 11 heats.Ventilation orifice 16b1 and 17b1 form flange portion with outwards outstanding at their peripheral region, and accordingly, even condensation water sticks on the outer surface of outer lateral side cap 16b and 17b, can avoid condensation water to pass through ventilation orifice 16b1 and mobile fan electromotor one side of invading of 17b1 by forming these flange portions.
Among fan side side cap 16c and the 17c each all has wall structure, and described wall structure does not have and is formed into being used on outer lateral side cap 16b and the 17b and emits the ventilation orifice of fan electromotor 11 heats.Among these fan side sides cap 16c and the 17c each also is provided with concavity maintaining part (not shown), it is keeping at the outstanding fan side motor bearings 11d that forms of the side of fan electromotor 11 central portion by fan side bearing Shockproof rubber 11f, among these fan side sides cap 16c and the 17c each also is provided with the through hole (not shown), is used to pass the driving shaft (not shown) from the outstanding fan electromotor 11 of central portion.
Among outboard bearing retainer 16d and the 17d each all has the outward extending cylindrical structural of central portion from outer lateral side cap 16b (17b), and gives prominence to the outside motor bearings 11c that forms, pass through the maintenance of outboard bearing Shockproof rubber from the side central portion of fan electromotor 11.
Therefore, fan electromotor 11 is remained to concavity maintaining part and outboard bearing retainer 16d and the 17d of fan side side cap 16c and 17c respectively by fan side motor bearings 11d in the fan electromotor fixture 15 and outside motor bearings 11c.
And being used for lead 11b is connected to the outer peripheral face that wire interconnecting piece 11a on the fan electromotor 11 is formed into fan electromotor 11 is fan electromotor 11 power supplies.When fan electromotor 11 was contained in the fan electromotor fixture 15, wire interconnecting piece 11a was disposed among the space 17f that the rear surface side lower part of side face cap 17a of the following fixed part 17 of fan electromotor fixture 15 forms.Wire interconnecting piece arrangement space 17f is formed in the space between the lower face side of wall portion that the back side lower part of side face cap 17a vertically extends and the fan electromotor 11 that is received.
In addition, the lead conveying end 17g that can open is formed on the outer surface of wire interconnecting piece arrangement space 17f, and the lead 11b that is connected to wire interconnecting piece 11a extends through this lead conveying end 17g.
According to the set structure of said fans motor fixing device 15, fan electromotor 11 is contained in by fan electromotor fixture 15 among the fan electromotor accommodation section 4b of the back plate 4 that is formed into unit main body 2, is formed at back plate fixture 16e and 17e and is installed on the plate 4 of back with the screw 16e1 and the 17e1 of fan attachment motor fixing device 15 by respectively screw being screwed into then.
Therefore, we can say that fan electromotor fixture 15 possesses water-proof function and fan electromotor installation function simultaneously.
And fan electromotor lid 14 is disposed on the upper surface of fan electromotor fixture 15, thereby the water-proof function of fan electromotor 11 can further be improved far and away.
Further, the indoor unit for air conditioner that has improved fan electromotor installation structure in the above embodiment of the present invention can cover 14 by fan electromotor provides water-proof function, even if be generated on the building block, such as the connecting pipe of the outdoor unit of heat exchanger 8 ends that are connected to an indoor side or air conditioner at condensation water during the refrigerating operation.
And, according to indoor unit for air conditioner of the present invention, the position of fan electromotor fixture 15 can prevent to condense in the condensation water that fan electromotor covers on 14 rear surfaces and drop onto on the wire interconnecting piece 11a, also prevented the generation of creepage trace phenomenon (trackingphenomenon), thereby avoided worry on fire, thereby a kind of safe structure is provided.
And, fan electromotor fixture 15 possesses water-proof function and fan electromotor installation function simultaneously, and because fan electromotor 11 is installed on the unit main body 2 by using fan electromotor fixture 15, installment work can be implemented simply, thereby has improved ability to work.
And, because wire interconnecting piece 11a is arranged in the bottom of unit main body 2 rear surface sides, can prevent condensation water portion's drippage from it, and wire interconnecting piece 11a can settle to such an extent that separate with condensation water in the drainage tray 10, thereby reduce the moisture conditions of wire interconnecting piece 11a, and then prevented the generation of creepage trace phenomenon far and away.
According to the foregoing description indoor unit for air conditioner of the present invention, can provide to be more suitable for the safer indoor unit that is not subjected to condensation water and moisture effect.
What should further note is, the present invention is not limited to the embodiment that introduced and many other changes and revises and can make under the situation that does not break away from the claims scope.
Claims (8)
1. indoor unit for air conditioner comprises:
Unit main body, it has front panel and back plate and is provided with suction inlet and blow-off outlet;
Heat exchanger, it is placed in the current path that is communicated with suction inlet and blow-off outlet;
Fan and fan electromotor, they along they axial connection and be placed in the unit main body; And
The fan electromotor fixture is fixed to fan electromotor on the plate of back by described fan electromotor fixture,
The fan electromotor fixture comprises:
The side face cap, it covers the whole outer peripheral face of fan electromotor;
The outer lateral side cap, it covers the outer lateral side of fan electromotor;
Fan side side cap, it covers the side of the fan side of fan electromotor;
The outboard bearing retainer, it keeps the outside motor bearings of fan electromotor; And
Be used for the fan electromotor fixture is fixed to the fixture of back plate, described fixture stretches out the fan electromotor fixture is fixed to the back plate from the outer peripheral face of outboard bearing retainer.
2. indoor unit for air conditioner according to claim 1, wherein, its outer peripheral face of fan electromotor is provided with wire interconnecting piece, and described wire interconnecting piece is disposed in the bottom place of rear surface side of the side face cap of fan electromotor fixture.
3. indoor unit for air conditioner according to claim 1, wherein, and the fan electromotor fixture has the cylindrical hollow configuration that is divided into one half ones.
4. indoor unit for air conditioner according to claim 1, wherein, the side face cap of fan electromotor fixture has the width bigger than the side face width of fan electromotor, in case condensation water drops onto on the outer peripheral face of fan electromotor.
5. indoor unit for air conditioner according to claim 1, wherein, the outer lateral side cap of fan electromotor fixture has ventilation orifice, and ventilation orifice has outwards outstanding flange portion.
6. indoor unit for air conditioner according to claim 1, wherein, the fan side side cap of fan electromotor fixture has the wall construction of not being with ventilation orifice.
7. indoor unit for air conditioner according to claim 1, wherein, the outboard bearing retainer has the outward extending cylindrical structural of central portion from the outer lateral side cap of fan electromotor fixture.
8. indoor unit for air conditioner according to claim 1 wherein, is used for that the fan electromotor fixture is fixed to the fixture of back on the plate and has and be used for the fan electromotor fixture is fixed to screw on the plate of back.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007322829A JP5139790B2 (en) | 2007-12-14 | 2007-12-14 | Air conditioner indoor unit |
| JP322829/2007 | 2007-12-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101457953A CN101457953A (en) | 2009-06-17 |
| CN101457953B true CN101457953B (en) | 2011-03-16 |
Family
ID=40768967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101846712A Expired - Fee Related CN101457953B (en) | 2007-12-14 | 2008-12-11 | Indoor unit for air conditioner |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5139790B2 (en) |
| CN (1) | CN101457953B (en) |
| IT (1) | IT1392537B1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566875A (en) * | 2013-10-23 | 2015-04-29 | 珠海格力电器股份有限公司 | Split type wall-mounted air conditioner and indoor-unit motor wiring structure thereof |
| JP6978664B2 (en) * | 2017-07-07 | 2021-12-08 | ダイキン工業株式会社 | Indoor unit of air conditioner |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5711422U (en) * | 1980-06-24 | 1982-01-21 | ||
| JPS6245500Y2 (en) * | 1980-11-28 | 1987-12-04 | ||
| JP3107506B2 (en) * | 1995-08-22 | 2000-11-13 | 東芝キヤリア株式会社 | Indoor unit of air conditioner |
| JPH11173591A (en) * | 1997-12-15 | 1999-06-29 | Daikin Ind Ltd | Indoor unit of air conditioner |
| JP4418095B2 (en) * | 2000-08-30 | 2010-02-17 | 東芝キヤリア株式会社 | Air conditioner |
-
2007
- 2007-12-14 JP JP2007322829A patent/JP5139790B2/en not_active Expired - Fee Related
-
2008
- 2008-12-10 IT ITRM2008A000658A patent/IT1392537B1/en active
- 2008-12-11 CN CN2008101846712A patent/CN101457953B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009144983A (en) | 2009-07-02 |
| JP5139790B2 (en) | 2013-02-06 |
| CN101457953A (en) | 2009-06-17 |
| ITRM20080658A1 (en) | 2009-06-15 |
| IT1392537B1 (en) | 2012-03-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20131211 |