CN102678584A - Fan structure of split-type air conditioner indoor unit - Google Patents

Fan structure of split-type air conditioner indoor unit Download PDF

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Publication number
CN102678584A
CN102678584A CN2011100627635A CN201110062763A CN102678584A CN 102678584 A CN102678584 A CN 102678584A CN 2011100627635 A CN2011100627635 A CN 2011100627635A CN 201110062763 A CN201110062763 A CN 201110062763A CN 102678584 A CN102678584 A CN 102678584A
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CN
China
Prior art keywords
fan
motor
air conditioner
split
type air
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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
Application number
CN2011100627635A
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Chinese (zh)
Inventor
盛娜
张渊博
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LG Electronics Tianjin Appliances Co Ltd
Original Assignee
LG Electronics Tianjin Appliances Co Ltd
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Publication date
Application filed by LG Electronics Tianjin Appliances Co Ltd filed Critical LG Electronics Tianjin Appliances Co Ltd
Priority to CN2011100627635A priority Critical patent/CN102678584A/en
Publication of CN102678584A publication Critical patent/CN102678584A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a fan structure of a split-type air conditioner indoor unit, which can save space and reduce cost, and has a compact structure. The fan structure of the split-type air conditioner indoor unit comprises a fan and a motor, wherein the motor is an external rotor motor. Due to the adoption of the fan structure of the split-type air conditioner indoor unit, the disadvantage that the fan of the traditional indoor unit is connected with a motor so as to occupy much wall space is overcome. In the fan structure of the split-type air conditioner indoor unit, the motor is designed to be an internal hidden type so that material is saved, the cost and volume are reduced, the indoor environment of a user is neater, and the market competitiveness is improved. Due to the reduction of the volume, the noise of the indoor unit of the air conditioner can be improved, a stator and a revolving shaft of the motor are integrated inside the fan, the structure of the fan is stable, and noise is reduced.

Description

The split-type air conditioner indoor set fan structure
Technical field
The present invention relates to a kind of air conditioner, especially a kind of split-type air conditioner indoor set fan structure.
Background technique
Air conditioner is a kind of artificial indoor climate controlling device, and main composition partly comprises the cooling cycle system of compressor, condenser, throttling device and vaporizer and the air circulation system that comprises blower, air channel and inlets and putlets of ventilation.Air conditioner is changed to flow back to after its temperature by the vaporizer of heat-exchange device and condenser again and indoorly realizes freezing or heat and function such as dehumidifying through drawing indoor air, so that pure and fresh and comfortable indoor air environment is provided for people.
In general, air conditioner is broadly divided into package AC plant and detachable air conditioner.Package AC plant all is contained in all parts in the casing, is installed in indoor and outdoor jointing place.As; Window air conditioner is exactly a kind of widely used package AC plant, is installed on the room window, from the intake grill inspiration indoor air of indoor side; Flow back to from the exhaust outlet of indoor side more afterwards by heat-exchange device cooling (or intensification) indoor, to realize action of temperature in the conditioning chamber.
Detachable air conditioner is made up of indoor set and outdoor unit, and the heat exchanger of outdoor unit is a condenser, and the heat exchanger of indoor set is a vaporizer.Refrigerant airborne heat in the absorption chamber in indoor machine evaporation becomes gaseous state by liquid state; Refrigerant is emitted heat by the gaseous state liquefy in outdoor condenser.Connect through connecting tube between indoor set and the outdoor unit, refrigerant circulates in the connecting tube that connects outdoor unit and indoor set, and realizes that through vaporizer, compressor and condenser the heat exchange circulation is to reach the effect of refrigeration.
As shown in Figure 1, the indoor apparatus of air conditioner 100 of existing technology, its overall appearance is by being equipped with multiple parts, forming the main basal base 110 of back appearance in inside, and the front-side frame 120 that be positioned at main basal base 110 the place aheads, forms front appearance constitutes.
The place ahead of front-side frame 120 is by front panel 130 sealings.The upside of plate 130 in front, promptly front-side frame 120 above, be formed with and can let indoor air stream go into the suction grid 140 of indoor set 100.
Front panel 130 is separated by a distance with front-side frame 120.After the slit inflow of indoor air through front panel 130 and front-side frame 120, flow into indoor sets 100 inside through sucking grid 140.
In the underpart of front-side frame 120, be formed with long exhaust outlet 122 by the length direction perforation.Exhaust outlet 122 is the positions that can let indoor set 100 inner airs discharge, and is communicated with discharge grid 180.Flowing into indoor set 100 inner air can discharge through exhaust outlet 122.
Right-hand end upside at exhaust outlet 122 is formed with indicator window 124.Indicator window 124 has transparent configuration, can let the user have an X-rayed the display unit of discharging grid 180 outside, understands indoor set 100 working staties.
Below, indoor set 100 internal structures are elaborated.
As shown in Figure 2, between main basal base 110 and front-side frame 120, be formed with the space that various parts can be installed.By indoor set 100 outward appearances that main basal base 110 and front-side frame 120 form, has outstanding forward on the whole shape.
In the left end of main basal base 110, be provided with the fixing frame 112 of stating heat exchanger 170 and axial-flow fan 174 left-hand end after being used for fixing; In the right-hand end of main basal base 110, be formed with the fixed end that is used for fixing heat exchanger and axial-flow fan 174 right-hand ends forward highlightedly.
In the place ahead of front-side frame 120, be formed with intake grill 126.Intake grill 126 is to flow through the path that sucks the air flow behind the grid 140, here, about be formed with filter core framework 150.
On filter core framework 150, high-performance filter core 160 is installed.About filter core framework 150 is formed in pairs.That is,, be formed with the central cut piece P that passes by above-below direction at the central part of intake grill 126.About central cut piece P, be formed with filter core framework 150 respectively.
High-performance filter core 160 is installed on the filter core framework 150.High-performance filter core 160 has single or various function.Such as, the filter core 162 of distinguishing the flavor of that goes of cigarette or various peculiar smell is arranged, remove the formaldehyde filter core 164 of the harmful components of distributing by structural material, and the toluene filter core 166 of removing the volatile organic matter peculiar smell.
Sucking grid 140 is paths that indoor air stream is gone into indoor set 100 inside, encircles the first half of filter core framework 150 intake grills 126.In addition, suck grid 140 with state that the following filter core F that will explain combines under, be installed on the front-side frame 120.
Between plate 130 and the front-side frame 120, filter core F is installed also in front.Filter core F is used for the foreign matter of filtered air.Encircle intake grill 126 integral body.Be that filter core F has elasticity, not only cover the front of front-side frame 120, also cover the upper end portion at the back side.
At the rear of front-side frame 120, be provided with heat exchanger 170.Heat exchanger 170 lets and carries out heat exchange through sucking grid 140 leaked-in airs.Carried out heat exchange by filter core F filtered air and heat exchanger 170.
Right-hand end at heat exchanger 170 is connecting refrigerant pipe 172.Refrigerant pipe 172 comprises a plurality of pipes, and an end is connected outdoor unit (figure slightly).The refrigerant of heat exchange when flowing through heat exchanger 170 circulates between outdoor unit and indoor set 100.
Be provided with axial-flow fan 174 at the rear of heat exchanger 170.Axial-flow fan 174 sucks air from conditioned space, and arranges the air of heat exchange to conditioned space again.That is, axial-flow fan 174 is blow air by force, let the air of outside (interior space) flow into through intake grill 126 after, discharge through exhaust outlet 122.
On the right side of axial-flow fan 174, be provided with the motor 176 that rotating power is provided to axial-flow fan 174.Motor 176 is housed in the inside of electrical machinery cover 178, is installed in main basal base 110 inner right side.When motor 176 energized were rotated, axial-flow fan 174 linked with it, was rotated together, sucked and discharge indoor air.
Therefore, the internal structure of main basal base 110 has with the corresponding curvature of axial-flow fan 174 periphery surface is advisable, so that the air-flow that formed by axial-flow fan 174 of water conservancy diversion easily.
In the inner space, right side of main basal base 110, promptly in the distribution portion 118, be provided with controller assembly 190.Controller assembly 190 is important structure parts of air-conditioning, comprises the printed circuit board (PCB) 192 of control indoor set 100 and outdoor unit action, and inside accommodate printed circuit board (PCB) 192, externally impact under the shell 194 of protective circuit plate 192.
That is, be inserted in distribution portion 118 to printed circuit board (PCB) 192 after, shell 194 is installed, let printed circuit board (PCB) 192 be positioned at shell 194 inside, so that obtain safe protection under the situation of external impact having.
Be provided with discharge grid 180 in the inboard, underpart of front-side frame 120.Discharge grid 180 and be formed with drain passageway 182, let the air that in indoor set 100, carries out heat exchange arrange to the outside again.
Discharge grid 180 and be respectively equipped with the blade 184 of regulating the direction of air of discharging by above-below direction, and press left and right directions and regulate the window bar 186 that air is discharged direction through drain passageway 182.The quantity of window bar 186 is a plurality of, and a plurality of window bar 186 connected pieces connect, and rotate simultaneously.
At the right-hand end of discharging grid 180, also be provided with the auxiliary blade 188 of discharging direction with blade 184 control airs.In a side of auxiliary blade 188, also be provided with according to the air-conditioning user mode motor that control auxiliary blade 188 rotates (figure slightly).In addition, at the upside of auxiliary blade 188, be formed with the display unit (figure slightly) that shows various information such as air-conditioning work state.
Positive on the right side of front-side frame 120, say in more detail, with controller assembly 190 across a certain distance the place ahead mutually, be provided with controller cage C.Controller cage C has rectangular shape substantially, is inserted in to connect in the cover insertion mouth 128 that is formed on front-side frame 120 right sides the place ahead of sealing controller assembly 190.When controller assembly 190 breaks down need keep in repair the time, through dismounting controller cage C, the place ahead of open controller assembly 190.
Right side in distribution portion 118 is said in more detail, is formed with main basal base 110 back sides of distribution portion 118, and cold medium tube cover 200 is installed.Cold medium tube cover 200 is installed on the cold medium tube cover assembly department 210, prevents that refrigerant pipe 172 is to exposing outside.The cold medium tube cover assembly department is formed on the back side of main basal base 110 by the long opening longways of above-below direction.
Say that in more detail when being installed in main basal base 110 inside to heat exchanger 170, refrigerant pipe 172 is embedded in the cold medium tube cover assembly department 210, when observing from main basal base 110 back sides, is in the state that exposes downwards.
In order to protect refrigerant pipe 172, cold medium tube cover 200 has and cold medium tube cover assembly department 210 corresponding areas.After being installed on the cold medium tube cover assembly department 210, can prevent that refrigerant pipe 172 is to exposing outside to cold medium tube cover 200.
Like Fig. 3, shown in 4, in the split-type air conditioner indoor set fan structure in the prior art, the supporting axle 175 of axial-flow fan 174 1 ends is installed on the fixing frame 112 of axial-flow fan 174 left-hand end, and the rotating shaft 177 of the other end and motor 176 fixes.
In the existing technology, the motor 176 that links to each other with axial-flow fan 174 is dc brushless motor (BLDC motor) normally, and is the inner rotor type motor that magnet sticks on the rotor periphery.BLDC motor (brushless DC motor) by 2 phases, 3 mutually or the stator of 4 phase electric machine windings and forms with permanent magnet, and the rotor of commutatorless composition, the BLDC motor is used widely as the motor of variable speed drive.
Said BLDC motor comprises by the stator coil that produces rotating magnetic field, and through forming the stator that the flux path lets the stator core of the smooth and easy formation magnetic circuit of said flux constitute, and the rotor that is made up of rotor iron core and permanent magnet.
The driving principle of said BLDC motor is following: the stator coil energising that constitutes to 3 phase coils produces rotating magnetic field, and in the flux interaction of said rotating magnetic field and permanent magnet, rotor produces torque by certain direction rotation.
Fig. 5 is the internal rotor type BLDC rotor schematic appearance of existing technology.
As shown in Figure 5, existing internal rotor type BLDC motor rotor construction is described.
Rotor comprises the running shaft 1 of passing on rotating force, is pressed into said running shaft 1 and running shaft one rotor rotated iron core 2, sticks on the magnet 3 of said rotor iron core 2 periphery surface, iron core top and the bottom fixed groove 4; Said magnet 3 is arranged with the mode that N, the S utmost point alternately occur; Stick on the outer circumferential face of iron core 2 through binder at the rotor exterior magnet 3 of inner rotor type motor; Motor inserts the assembly type axle bush extraly in the top and the bottom of said rotor, supports said rotor, and rotor is rotated on certain position under the effect of assembly type axle bush and bearing.
Use the drive motor of this motor, can take a lot of indoor set cavity space, thereby enlarge taking up room of metope, and be unfavorable for economical with materials, cause the increase of cost as axial-flow fan 174.
Summary of the invention
The technical problem that the present invention will solve provide a kind of can conserve space, compact structure, and the split-type air conditioner indoor set fan structure that can reduce cost.
For addressing the above problem, the split-type air conditioner indoor set fan structure among the present invention comprises fan and motor, it is characterized in that: said motor is an external rotor electric machine.
It is inboard that said external rotor electric machine is installed on the fan end.
Said external rotor electric machine is pressed into motor shaft in external rotor, form the inner stator assembly behind the good enameled cable of inner stator embedding, and the inner stator assembly is pressed in the motor base, and external rotor and motor shaft rotate around the inner stator assembly under the effect of the electromagnetic force of inner stator assembly.
Two ends at motor base are processed with bearing chamber, and bearing is housed in the bearing chamber, have been pressed into the external rotor of motor shaft, and its motor shaft inserts the motor base two ends and installed in the bearing hole of bearing.
Said external rotor electric machine forms the inner stator assembly behind the good enameled cable of inner stator embedding, the inner stator assembly, and motor shaft is fixedly connected and is pressed in the motor base with the inner stator assembly, and external rotor is fixed on the inwall of fan end.
The axis hole of said motor shaft and inner stator assembly adopts interference fit.
Adopt the split-type air conditioner indoor set fan structure of structure of the present invention to overcome the motor of indoor machine fan connection in the past, can take the shortcoming in a lot of metope spaces.This split-type air conditioner indoor set fan structure is inner concealed with its design of electrical motor, helps economical with materials, thereby reduces cost, and volume reduces, and makes the user indoor more succinct, improves the market competitiveness.Because the reducing of volume can be improved noise of indoor unit of air conditioner, stator and the rotating shaft of motor is synthesized to fan inside, structure is firm, the minimizing noise.
Description of drawings
Fig. 1 is the split-type air conditioner indoor set surface structure schematic representation of existing technology.
Fig. 2 is the split-type air conditioner indoor set internal structure decomposing schematic representation of existing technology.
Fig. 3 is a split-type air conditioner indoor set fan structure schematic representation in the existing technology.
Fig. 4 is a split-type air conditioner indoor set fan perspective view in the existing technology.
Fig. 5 is the internal rotor type BLDC rotor schematic appearance of existing technology.
Fig. 6 is split-type air conditioner indoor set fan structure schematic representation among the present invention.
Fig. 7 is split-type air conditioner indoor set fan perspective view among the present invention.
Fig. 8 is the electric machine structure schematic representation of split-type air conditioner indoor set fan structure among the present invention.
Fig. 9 is second kind of electric machine structure schematic representation of split-type air conditioner indoor set fan structure among the present invention.
Embodiment
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with accompanying drawing and mode of execution.
Like Fig. 6, shown in 7, the split-type air conditioner indoor set fan structure among the present invention comprises fan and motor, and said motor is an external rotor electric machine.
It is inboard that said external rotor electric machine is installed on the fan end.
As shown in Figure 8, said external rotor electric machine is pressed into motor shaft 6 in external rotor 5; Form inner stator assembly 7 behind the good enameled cable of inner stator embedding, inner stator assembly 7 is pressed in the motor base 8, is processed with bearing chamber at the two ends of motor base 8; Bearing is housed in the bearing chamber, has been pressed into the external rotor 5 of motor shaft, its motor shaft 6 inserts motor base 8 two ends and has installed in the bearing hole of bearing; External rotor 5 and motor shaft 6 are under the effect of the electromagnetic force of inner stator assembly 7, around 7 rotations of inner stator assembly.
Fig. 9 is second kind of electric machine structure schematic representation of split-type air conditioner indoor set fan structure among the present invention.As shown in Figure 9, said external rotor electric machine forms inner stator assembly 7 ' behind the good enameled cable of inner stator embedding, and motor shaft 6 ' adopts interference fit with the axis hole of inner stator assembly 7 ', is pressed in the motor base 8, and external rotor 5 ' is fixed on the inwall of fan end.
Adopt the split-type air conditioner indoor set fan structure of structure of the present invention to overcome the motor of indoor machine fan connection in the past, can take the shortcoming in a lot of metope spaces.This split-type air conditioner indoor set fan structure is inner concealed with its design of electrical motor, helps economical with materials, thereby reduces cost, and volume reduces, and makes the user indoor more succinct, improves the market competitiveness.Because the reducing of volume can be improved noise of indoor unit of air conditioner, stator and the rotating shaft of motor is synthesized to fan inside, structure is firm, the minimizing noise.

Claims (6)

1. a split-type air conditioner indoor set fan structure comprises fan and motor, it is characterized in that: said motor is an external rotor electric machine.
2. split-type air conditioner indoor set fan structure as claimed in claim 1 is characterized in that: it is inboard that said external rotor electric machine is installed on the fan end.
3. split-type air conditioner indoor set fan structure as claimed in claim 2; It is characterized in that: said external rotor electric machine; In external rotor, be pressed into motor shaft, form the inner stator assembly behind the good enameled cable of inner stator embedding, the inner stator assembly is pressed in the motor base; External rotor and motor shaft rotate around the inner stator assembly under the effect of the electromagnetic force of inner stator assembly.
4. split-type air conditioner indoor set fan structure as claimed in claim 3; It is characterized in that: the two ends at motor base are processed with bearing chamber; Bearing is housed in the bearing chamber, has been pressed into the external rotor of motor shaft, its motor shaft inserts the motor base two ends and has installed in the bearing hole of bearing.
5. split-type air conditioner indoor set fan structure as claimed in claim 2; It is characterized in that: said external rotor electric machine; Form the inner stator assembly behind the good enameled cable of inner stator embedding; The inner stator assembly, motor shaft is fixedly connected and is pressed in the motor base with the inner stator assembly, and external rotor is fixed on the inwall of fan end.
6. split-type air conditioner indoor set fan structure as claimed in claim 5 is characterized in that: the axis hole of motor shaft and inner stator assembly adopts interference fit.
CN2011100627635A 2011-03-16 2011-03-16 Fan structure of split-type air conditioner indoor unit Pending CN102678584A (en)

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Application Number Priority Date Filing Date Title
CN2011100627635A CN102678584A (en) 2011-03-16 2011-03-16 Fan structure of split-type air conditioner indoor unit

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Application Number Priority Date Filing Date Title
CN2011100627635A CN102678584A (en) 2011-03-16 2011-03-16 Fan structure of split-type air conditioner indoor unit

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CN102678584A true CN102678584A (en) 2012-09-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103791553A (en) * 2012-10-26 2014-05-14 海尔集团公司 Air conditioning air supply module and air conditioning
CN107100866A (en) * 2017-03-17 2017-08-29 渤海船舶职业学院 A kind of blower fan of electromagnetic drive flabellum

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06294393A (en) * 1994-03-11 1994-10-21 Sanyo Electric Co Ltd Blower
CN2186319Y (en) * 1994-02-28 1994-12-28 殷久良 Flow-over air feeder
JPH0865983A (en) * 1994-08-24 1996-03-08 Toshiba Ave Corp Indoor blower for air conditioner
KR20010102681A (en) * 2000-05-04 2001-11-16 구자홍 Indoor unit cross flow fan connection device for airconditioner
CN101512876A (en) * 2006-08-30 2009-08-19 Lg电子株式会社 Outer rotor type fan-motor
CN201628314U (en) * 2008-11-20 2010-11-10 大金工业株式会社 Air-conditioner

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2186319Y (en) * 1994-02-28 1994-12-28 殷久良 Flow-over air feeder
JPH06294393A (en) * 1994-03-11 1994-10-21 Sanyo Electric Co Ltd Blower
JPH0865983A (en) * 1994-08-24 1996-03-08 Toshiba Ave Corp Indoor blower for air conditioner
KR20010102681A (en) * 2000-05-04 2001-11-16 구자홍 Indoor unit cross flow fan connection device for airconditioner
CN101512876A (en) * 2006-08-30 2009-08-19 Lg电子株式会社 Outer rotor type fan-motor
CN201628314U (en) * 2008-11-20 2010-11-10 大金工业株式会社 Air-conditioner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103791553A (en) * 2012-10-26 2014-05-14 海尔集团公司 Air conditioning air supply module and air conditioning
CN107100866A (en) * 2017-03-17 2017-08-29 渤海船舶职业学院 A kind of blower fan of electromagnetic drive flabellum

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Application publication date: 20120919