CN101469718A - Fan module - Google Patents
Fan module Download PDFInfo
- Publication number
- CN101469718A CN101469718A CNA2008101852747A CN200810185274A CN101469718A CN 101469718 A CN101469718 A CN 101469718A CN A2008101852747 A CNA2008101852747 A CN A2008101852747A CN 200810185274 A CN200810185274 A CN 200810185274A CN 101469718 A CN101469718 A CN 101469718A
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- CN
- China
- Prior art keywords
- motor
- fan
- blower module
- bearing portion
- receiving hole
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
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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
- 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
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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
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
- F04D29/164—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
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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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
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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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
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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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
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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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/002—Details for cooling refrigerating machinery
- F25D2323/0028—Details for cooling refrigerating machinery characterised by the fans
- F25D2323/00281—Two or more fans
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)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
A fan module is provided. The fan module is configured to dissipate heat from, e.g., a compressor and a condenser disposed in a machine room of the refrigerator. The fan module includes a fan, a shroud having a receiving hole positioned around the fan, a fan mounting portion coupled to a rear surface of the shroud on which the fan is mounted, the rear surface facing a downstream airflow direction of the fan, and a concave recess provided on a rear surface of the shroud and circling the receiving hole. The fan module prevents noise caused by air passing through the receiving hole and prevents flow loss.
Description
The application number that the application requires on December 24th, 2007 to submit in Korea S is the preference of the korean application of 10-2007-0136865, and it is in full by reference in this merging.
Technical field
The present invention relates to a kind of blower module, relate in particular to a kind of blower module that can be especially the compressor in the machine room (machine room) that is arranged on refrigerator and condenser be dispelled the heat.
Background technique
Refrigerator be generally used for according to food species to be stored utilize low temperature with food storage at freezing state or frozen state.
When refrigeration agent is carried out heat exchange operation, produce the cool air that supplies in the refrigerator, and when refrigeration agent was carried out cycling (for example compression condensation-expansion-evaporation) repeatedly, cool air can be supplied in the refrigerator continuously.Cool air is sent to refrigerator inside equably by convection current (convection), and is used for the food in the desired temperatures preservation refrigerator.
The side of separating mutually with storage space (for example cold storage room and refrigerating chamber) that refrigerating circulatory device is arranged on refrigerator.Usually, compression process and condensation process are carried out by compressor in the machine room that is arranged at the refrigerator back underside and condenser.
In compression process and condensation process, must dispel the heat.For this purpose, the blower module that is configured to dispel the heat is arranged at the machine room.
Yet the blower module in the refrigerator of prior art has following defective.
The first, blower module is provided with cover (shroud), and this cover has the outer peripheral ventilated port of contiguous fan so that air flows.But the air-flow that flows through this ventilated port produces noise and flows through the radial direction leakage of the air of this ventilated port along fan.Therefore, need provide a kind of cover that can prevent noise and flow losses (flow loss).
The second, the motor that blower module is provided with axial fan (tube axial fan) and is used to drive this fan.The rotating shaft of motor and the centrally aligned of ventilated port prevent thus that with concentrically with respect to one another this cover disturbs fan when fan rotates.Yet alignment procedures expends time in and requires the operator highly wholwe-hearted.Therefore, need provide a kind of blower module, it can easily come the rotating shaft of alignment motor and the center of ventilated port with concentric manner.
The 3rd, thereby blower module is provided with the lead that is connected to external power supply motor is powered.This lead is positioned at the flow field (flow field) that is produced by axial fan, and this causes flow resistance, and therefore produces noise and flow losses take place.Therefore, need provide a kind of structure that is used for suitably locating this lead.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of blower module, it prevents noise and flow losses by a kind of cover with improved ventilated port is provided.
Another object of the present invention is to provide a kind of blower module, the structure of this blower module can easily be aimed at the center of ventilated port the rotating shaft of motor with concentric manner.
A further object of the present invention is to provide a kind of blower module, and the structure of this blower module can prevent that producing air-flow by the lead to the motor power supply interferes (flow interference).
In order to realize these and other purposes, as in this concrete enforcement and broadly described, the invention provides a kind of blower module, this blower module can comprise: fan; Cover, it has the receiving hole (receiving hole) that is provided with around described fan; The fan assembly department, its back side with cover is connected, and described fan is installed on the described fan assembly department, and the described back side is towards the downstream of the airflow direction of fan; And groove, it is arranged on the back side of described cover and around described receiving hole.
In a non-limiting example, the section of described groove is semicircular.
In another non-limiting example, described groove can comprise axially extended, the contiguous outer peripheral side rib of described fan (side rib) along described fan.
In another non-limiting example, on the front surface of described cover, be equipped with bulge loop in the provided upstream of described fan airstream direction, described bulge loop is around described receiving hole.
In another non-limiting example, fan can comprise: hub; A plurality of blades, it is along the radial direction setting of hub; And motor, it is contained in the hub so that the fan rotation, and wherein said motor can be configured to external-rotor motor.
In another non-limiting example, it is molded to carry out that the circuit board that signal is supplied with described motor can be connected to the bottom of described motor.
In a non-limiting example, the fan assembly department can comprise: motor bearing portion, and described motor is installed to described motor bearing portion; And many spokes, it is configured to described motor bearing portion is connected to described cover, wherein, and the rotating shaft of described motor and the centrally aligned of described receiving hole, and described motor and described motor bearing portion are connected to each other.
In another non-limiting example, blower module can comprise: lug boss, and it is arranged on the bottom of described motor; And motor mounting part, it is arranged on the described motor bearing portion that is connected with described lug boss, so that the rotating shaft of described motor is arranged on the center of described receiving hole.
In another non-limiting example, described blower module can also comprise: slot part, and it is arranged on the bottom of described motor; And motor mounting part, it is arranged on the described motor bearing portion that is connected with described slot part, so that the rotating shaft of described motor is arranged on the center of described receiving hole.
In another non-limiting example, described many spokes are spaced apart from each other by keep constant angle between two adjacent spokes.Described many spokes can extend along its length, and described length direction is from the off-centring of described motor bearing portion.In addition, every spoke that extends along its length can be not overlapping with any other spoke.
In another non-limiting example, described motor bearing portion is provided with outlet wire, and described outlet wire is configured to draw the lead of described motor.
Described outlet wire can be configured to along the notch at the edge of the motor bearing central direction of described motor bearing portion, described portion.
In another non-limiting example, described motor bearing portion is provided with sticking department, and described sticking department is configured to prevent that the lead of described motor from moving.
In another non-limiting example, in the described many spokes one of them is provided with along its length the containing groove that extends at least, described containing groove is configured to ccontaining described lead.
Though the present invention is described as being used for refrigerating system herein, yet it is not limited to this application.In this, the present invention also imagines and described fan component is used in separately but is not limited to be used in computer system, HVAC system, automobile equipment (automotive applications), and other known cooling and heating systems.
From the following detailed description of the present invention being carried out with reference to accompanying drawing, above-mentioned feature of the present invention will become more apparent.
Description of drawings
Accompanying drawing is used for further understanding the present invention, and it is as the part of this specification and merge in this manual.Described accompanying drawing shows the preferred embodiments of the present invention and is used from explanation principle of the present invention with specification one.In the accompanying drawings:
Fig. 1 illustrates the schematic representation that has according to the machine room of the refrigerator of the blower module of first non-limiting example of the present invention;
Fig. 2 shows the exploded view according to the blower module of first non-limiting example of the present invention;
Fig. 3 is the sectional view along the line I-I among Fig. 2 according to first non-limiting example of the present invention;
Fig. 4 shows the schematic representation of the non-limiting modification of Fig. 3;
Fig. 5 shows the schematic representation of the another kind of non-limiting modification of Fig. 3;
Fig. 6 shows the sectional view of motor in according to the blower module of second non-limiting example of the present invention;
Fig. 7 shows the sectional view according to the concentric assembly in the blower module of second non-limiting example of the present invention;
Fig. 8 shows the schematic representation of the non-limiting modification of Fig. 5;
Fig. 9 shows the schematic representation according to spoke in the blower module of the 3rd non-limiting example of the present invention (spoke) and outlet wire; And
Figure 10 shows the sectional view of spoke among Fig. 9.
Embodiment
Following with reference to the blower module that be used for refrigerator of accompanying drawing detailed description according to non-limiting example of the present invention.Although some embodiments have been described, yet it should be understood that those skilled in the art can design multiple other remodeling and embodiment under the situation of design that does not break away from the principle of the invention and scope herein.
Following with reference to the blower module of accompanying drawing detailed description according to first non-limiting example of the present invention.
At first description had machine room structure according to the refrigerator of this embodiment's blower module.
Fig. 1 shows the schematic representation that has according to the machine room of the refrigerator of the blower module of first non-limiting example of the present invention.
With reference to Fig. 1, the machine room 10 of refrigerator 1 comprises compressor 40, condenser 30 and is used for its blower module that dispels the heat 100.Machine room 10 also comprises the refrigerant pipe 50 that connects compressor 40 and condenser 30.Machine room 10 is covered by mechanical chamber cap 20.
Because compressor 40 produces vibration and noise when carrying out compression process, so can on the installation surface of this compressor 40 dust guard be set.
The gaseous refrigerant that condenser 30 is configured to the High Temperature High Pressure that will send from compressor 40 is condensed into the liquid refrigerant of cryogenic high pressure.Thus, outwards heat radiation in condensation process, this causes needs that blower module 100 is installed.
Can be according to the layout of blower module 100 and roughly adjusts in the position of ventilated port 21.
Describe blower module in detail hereinafter with reference to Fig. 2 and Fig. 3 according to the refrigerator of first non-limiting example of the present invention.
Fig. 2 is the exploded view that illustrates according to the blower module of first non-limiting example of the present invention; Fig. 3 is the sectional drawing along the line I-I among Fig. 2; Fig. 4 and Fig. 5 are the schematic representation that the non-limiting modification of Fig. 3 is shown.
With reference to Fig. 2, comprise fan 110, be used to make fan motor rotating 120 and be used for motor 120 is mounted thereto and fan 110 is placed in wherein cover 130 according to this embodiment's blower module 100.
Motor is placed in the hub 112 of fan 110 and is installed on the cover 130, thereby provides rotating force for fan 110.
Be provided with receiving hole 132 in the cover 130, this receiving hole is configured to ccontaining fan 110, thus the air-flow that guiding is produced by the rotation of fan 110.
Cover 130 has the outer end that is configured to plate, and this outer end is consistent with the longitudinal section of the machine room 10 of refrigerator.
Thus, the air-flow that is produced by fan 110 passes receiving hole 132.
The quantity of the spoke 141 that is provided with can be the spoke quantity of any appropriate, so that motor bearing portion 142 is connected on the cover 130 securely.In Fig. 2, be provided with four spokes 141.
In this embodiment, be arranged on the outer peripheral end of contiguous fan of receiving hole 132 along the groove 131 of the downstream opening of the airflow direction of fan 110.Groove 131 extends and defines the end of receiving hole 132 around the inner radial of cover 130.
In other words, groove 131 is formed entirely in the periphery of the receiving hole 132 on cover 130 back sides.
Followingly describe groove in detail with reference to Fig. 3.
With reference to Fig. 3, groove 131 can be configured to be arranged on the groove at the place, contiguous fan 110 outer peripheral ends of receiving hole.
Groove 131 can be configured to make downstream (promptly cover 130 the Way out) opening of this groove along the airflow direction of fan 110.
Groove 131 prevent from the to flow through air of fan 110 leaks along the radial direction of fan 110.Groove 131 can also reduce the noise by the mobile generation of leakage air.
In other words, the air inflow groove 131 that passes fan 110 and leak along the radial direction of fan 110 subsequently goes in ring in groove 131 (circulate) subsequently.Therefore, in the normal state, the air that leaks along the radial direction of fan 110 can be subjected to the interference of the air that goes in ring in groove 131 after passing fan 110.
That is, groove 131 can prevent that the air that passes fan 110 from leaking along the radial direction of fan 110, and therefore reduces the generation of noise.
Herein, be configured to be enough to prevent flow losses and reduce noise, yet for the ease of making, the section of groove 131 also can form and comprise semicircular suitable shape arbitrarily along the groove 131 of the groove of the downstream opening of the airflow direction of fan 110 by setting.
In the embodiment shown in fig. 4, bulge loop (convex ring) 133 ends along receiving hole 132 are arranged on the front surface of cover 130.Bulge loop 133 is provided with along the upstream adjacent recess 131 of the airflow direction of fan 110.
Therefore, air flows in the fan 110 effectively, and reduces the noise that flows into generation because of air thus.
In the embodiment shown in fig. 5, can sidepiece 134 be set in the inboard of groove 131 and bulge loop 133.Sidepiece 134 limits at least a portion of the end of contiguous fans 110 outer peripheral receiving holes 132, and along the downstream extension of the airflow direction of fan 110.
Therefore, this structure further prevents to flow through in the air leakage circulating fan 110 of fan 110 along the downstream of the airflow direction of fan 110 effectively.
The receiving hole 132 that groove 131 and bulge loop 133 can be in manufacture process have an end of circular bend by setting forms.In this, groove 131 and bulge loop 133 extend along the circumferencial direction that limits receiving hole 132.
Following with reference to the blower module 200 of accompanying drawing detailed description according to second non-limiting example of the present invention.Wherein, when the structure of second non-limiting example and explanation and first non-limiting example identical, omission is to the description of same section.
Fig. 6 is the sectional view that shows according to the motor in the blower module 200 of second non-limiting example of the present invention.
With reference to Fig. 6, the motor 220 of the blower module among this embodiment comprises rotor, stator 222 and the circuit board 251 that is used for electrical signal is transferred to stator 222.Motor 220 can be configured to external-rotor motor, and its rotor is arranged on the outside of stator 222.
Therefore, even when circuit board 251 is exposed to (for example being caused by the defrost process of vaporizer) wet environment, can prevent that also circuit board 251 from making moist, make blower module under multiple environmental conditions, have operational stability thus.
In Fig. 6 and Fig. 7, the supporting portion (bearing portion) of reference character 228 expression rotating shafts 221.Reference character 227 expression is used for motor 220 is mounted to the attachment hole of motor bearing portion 242, and reference character 229 expressions are used to the anti-separate pins that prevents that rotating shaft 221 from separating when rotated.
Blower module 200 according to this embodiment comprises concentric assembly 260, and this concentric assembly 260 makes motor 220 be connected to motor bearing portion 242, and makes the rotating shaft 221 of fan be arranged on the central authorities of receiving hole (for example receiving hole 132).
Describe concentric assembly 260 in detail now with reference to Fig. 7 and Fig. 8.
Fig. 7 is the sectional view that illustrates according to the concentric assembly 260 of the blower module 200 of the refrigerator of second non-limiting example of the present invention, and Fig. 8 is the schematic representation that the non-limiting modification of Fig. 7 is shown.
In this embodiment and with reference to Fig. 7, fan assembly department 240 comprises: motor bearing portion 242, and it is configured to ccontaining and the motor 220 that is connected fan 210; And many spokes 241, it is configured to motor bearing portion 242 is connected to the cover 230 with groove 231.
In addition, when motor 220 was connected to each other with motor bearing portion 242, rotating shaft 221 guidings that concentric assembly 260 is set to motor 220 were the center of aiming at receiving hole (for example receiving hole 132).
In other words, with one heart assembly 260 is provided with from the lug boss 262 of the lower lobes of motor 220, and is arranged on motor mounting part 261 in the motor bearing portion 242 accordingly with this lug boss 262.
Herein, motor mounting part 261 can be configured to groove, through hole etc.
By lug boss 262 and motor mounting part 261 are connected to each other, the rotating shaft 221 of motor 220 is arranged on the center of receiving hole (for example receiving hole 132).Therefore, rotating shaft 221 is aimed at receiving hole (for example receiving hole 132) so that they concentrically with respect to one another, shorten manufacturing time thus and increase the productivity of blower module without any need for extra operation and structure.
In addition, the displacement of the rotating shaft 221 that is caused by the vibration of motor 220 will not take place, thereby prevents the interference between the blade 211 of receiving hole 232 and fan 210.
With reference to Fig. 8, assembly 260 comprises with one heart: slot part 261, and it is formed on the bottom of motor 220; And motor mounting part 262, it is arranged in the motor bearing portion 242 corresponding to slot part 261, and is connected to slot part 261 by the rotating shaft 221 with motor 220 and makes rotating shaft 221 be arranged on the center (in concentric mode) of receiving hole 232.
Although be provided with a concentric assembly 260 in this embodiment, design of the present invention comprises the blower module with a plurality of concentric assemblies 260, to strengthen the precision of blower module 200.
That is, when a plurality of lug bosses 262 and a plurality of slot part 261 were set, even any one of them when wearing and tearing of a plurality of lug boss 262 and a plurality of slot part 261, the rotating shaft 221 of motor 220 still can remain the centres with receiving hole 232.
Now with reference to the blower module of accompanying drawing detailed description according to the 3rd non-limiting example of the present invention.Wherein, when the structure of the 3rd non-limiting example and explanation and first and second non-limiting examples identical, description that will the omission same section.
Blower module 300 according to this embodiment comprises: spoke 341, and it is configured to prevent to cover 330 owing to the rotation of motor (for example motor 120) is rocked; And outlet wire 343, it is configured to and will extracts for the lead 344 of motor (for example motor 120) power supply.
At first, describe spoke 341 and outlet wire 343 in detail with reference to Fig. 9 and Figure 10 according to this non-limiting example.
Fig. 9 is the schematic representation that illustrates according to spoke 341 in the blower module 300 of the 3rd non-limiting example of the present invention and outlet wire 343, and Figure 10 is the sectional view that the spoke 341 of Fig. 9 is shown.
With reference to Fig. 9 and Figure 10, the many spokes 341 among this embodiment are spaced apart from each other to have the mode of constant angle between adjacent two spokes.
Thus, this structure prevents to cover 330 effectively and rocks (shaken) or vibrate because of the rotation of motor 320.
Outlet wire 343 is configured to along the notch at the edge of the motor bearing portion 342 of the central direction of motor bearing portion 342 (cut-out portion).
Thus, lead 344 is not exposed in the air-flow that is produced by fan 310, and is led to the back side of motor bearing portion 342, thus the flow losses of preventing or noise.
Thus, sticking department 346 prevents that lead 344 is exposed in the air-flow.
In addition, at least one spoke 341 can be provided with containing groove 345, and described containing groove 345 is provided with along its length to be used for that lead 344 is contained in described containing groove 345.
The open end of containing groove 345 can be provided with a plurality of locking projections, separates from containing groove 345 to prevent lead 344.
Thus, containing groove 345 prevents effectively with flow losses or noise by lead 344 generations.
The foregoing description and advantage are example only, are not used in restriction the present invention.Instruction of the present invention can be applied to the device of other type.This specification is used to explain and the scope of unrestricted claims.To those skilled in the art, a lot of replacements, remodeling and modification all are conspicuous.And the feature of exemplary embodiment described herein, structure, method and other characteristics can make up in many ways, with obtain to add and/or alternate exemplary embodiments.
Owing to can under the situation that does not break away from characteristics of the present invention, realize feature of the present invention in many ways, what will also be understood that is, unless otherwise noted, the foregoing description is not limit by any details of above-mentioned explanation, but in as appending claims institute restricted portion, broadly make an explanation, therefore all variations in appended claims institute restricted portion and modification all be covered by appended claims scope in or in its equivalency range.
In addition, embodiment's described herein explanation is used for the structure of complete understanding various embodiments.These descriptions are not to be used for thoroughly explanation to use structure described herein or the device of method and all members and the characteristic of system.For those skilled in the art, according to the present invention, multiple other embodiment also is conspicuous.Therefore can use other embodiments or derive other embodiments, can be under the situation that does not deviate from protection scope of the present invention implementation structure and replacement logic and variation by the present invention.Therefore, should to be looked at as be indicative rather than restrictive for disclosed content and accompanying drawing.
Herein can be individually and/or jointly quote one or more embodiment of the present invention, term " invention " only for convenience consideration is not to be used for the application's protection domain is limited in any concrete invention or inventive concept.In addition, although illustrated and described specific embodiment herein, should be noted that anyly to be used to realize that the follow-up device of same or similar purpose can replace the specific embodiment that illustrates.This specification is used to comprise arbitrarily follow-up modification or the variation with all embodiments.To those skilled in the art, be easy to according to the present invention realize that the foregoing description and other do not have specifically described embodiment's combination herein.
Above-mentioned disclosed theme is used for explaining and is not to be used for restriction, and appending claims is used for containing all modification at connotation of the present invention and protection domain, improvement and other embodiments.Therefore, protection scope of the present invention should be defined as at utmost allowed by law by the broadest explanation of appended claims and equivalent variations thereof, and should in no way limit in or be confined to above-mentioned detailed description.
Although set forth the present invention, be understandable that employed word is explanation and describes and use word but not restricted word with reference to some exemplary embodiments of the present invention.Owing to can realize in a variety of forms under the situation that does not break away from spirit of the present invention and key property should also be understood that the present invention unless stated otherwise that the foregoing description is not subject to any details of above-mentioned explanation.More properly, the foregoing description should carry out wide in range explanation in determined spirit of the present invention of appending claims and protection domain.Therefore, can in scopes appended, described and claims of revising at present, under the situation that does not break away from protection scope of the present invention and spirit, change.
Claims (16)
1. blower module comprises:
Fan;
Cover, it has the receiving hole that is provided with around described fan;
The fan assembly department, it is connected to the back side of described cover, and described fan is installed on the described fan assembly department, and the described back side is towards the downstream of the airflow direction of described fan; And
Groove, it is arranged on the back side of described cover and around described receiving hole.
2. blower module as claimed in claim 1, the section of wherein said groove is semicircular.
3. blower module as claimed in claim 1, outer peripheral side rib the extending axially of the described fan of vicinity of wherein said groove along described fan.
4. blower module as claimed in claim 1, wherein the front surface of the upstream of the airflow direction of described fan, described cover is provided with bulge loop, and described bulge loop is around described receiving hole.
5. blower module as claimed in claim 1, wherein said fan comprises:
Hub;
A plurality of blades, it is along the radial direction setting of described hub; And
Motor, it is contained in the described hub so that the rotation of described fan,
Wherein said motor configuration is an external-rotor motor.
6. it is molded to carry out that blower module as claimed in claim 5, the circuit board that wherein signal is supplied to described motor are connected to the bottom of described motor.
7. blower module as claimed in claim 5, wherein said fan assembly department comprises:
Motor bearing portion, described motor is installed to described motor bearing portion; And
Many spokes, it is configured to described motor bearing portion is connected to described cover,
Wherein, the rotating shaft of described motor and the centrally aligned of described receiving hole, and described motor and described motor bearing portion are connected to each other.
8. blower module as claimed in claim 7 also comprises:
Lug boss, it is arranged on the bottom of described motor; And
Motor mounting part, it is arranged in the described motor bearing portion that is connected with described lug boss, is arranged on the center of described receiving hole with the rotating shaft with described motor.
9. blower module as claimed in claim 7 also comprises:
Slot part, it is arranged on the bottom of described motor; And
Motor mounting part, it is arranged in the described motor bearing portion that is connected with described slot part, is arranged on the center of described receiving hole with the rotating shaft with described motor.
10. blower module as claimed in claim 7, wherein said many spokes are spaced apart from each other to have the mode of constant angle between the two adjacent spokes.
11. blower module as claimed in claim 10, each root in the wherein said many spokes all extend along its length, described length direction is from the off-centring of described motor bearing portion.
12. blower module as claimed in claim 11, wherein every spoke that extends along its length can be not overlapping with any other spoke.
13. blower module as claimed in claim 7, wherein said motor bearing portion is provided with outlet wire, and described outlet wire is configured to draw the lead of described motor.
14. blower module as claimed in claim 13, wherein said outlet wire are configured to along the notch at the edge of the motor bearing central direction of described motor bearing portion, described portion.
15. blower module as claimed in claim 13, wherein said motor bearing portion is provided with sticking department, and described sticking department is configured to prevent that the lead of described motor from moving.
16. blower module as claimed in claim 13, in the wherein said many spokes one of them is provided with along its length the containing groove that extends at least, described containing groove is configured to ccontaining described lead.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070136865 | 2007-12-24 | ||
KR1020070136865A KR101463812B1 (en) | 2007-12-24 | 2007-12-24 | Fan module for refrigerator |
Publications (1)
Publication Number | Publication Date |
---|---|
CN101469718A true CN101469718A (en) | 2009-07-01 |
Family
ID=40456962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2008101852747A Pending CN101469718A (en) | 2007-12-24 | 2008-12-24 | Fan module |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090162203A1 (en) |
EP (1) | EP2075473A1 (en) |
KR (1) | KR101463812B1 (en) |
CN (1) | CN101469718A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105101748A (en) * | 2014-05-23 | 2015-11-25 | 弗罗纽斯国际有限公司 | Heat sink and housing for an inverter with such a heat sink |
CN105180566A (en) * | 2015-10-22 | 2015-12-23 | 合肥美菱股份有限公司 | Condensation system of refrigerator and refrigerator |
CN107339843A (en) * | 2016-05-02 | 2017-11-10 | 东部大宇电子株式会社 | Cooling fan and the refrigerator including cooling fan |
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CN103907269B (en) * | 2012-01-12 | 2018-04-27 | 三菱电机株式会社 | Air conditioner and motor |
CN104197629A (en) * | 2014-09-10 | 2014-12-10 | 合肥晶弘电器有限公司 | Temperature control device and method for compressor and condenser |
JP2018076846A (en) | 2016-11-11 | 2018-05-17 | 日本電産株式会社 | Axial fan and refrigerator |
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KR20010000953A (en) * | 2000-10-31 | 2001-01-05 | 금재호 | Axial flow fan |
CA2368365C (en) * | 2002-01-16 | 2009-07-21 | Aeroflo Inc. | Mounting bracket for fan motor |
KR100471444B1 (en) * | 2002-08-14 | 2005-03-08 | 엘지전자 주식회사 | The axial flow fan with turbo blades |
US6676371B1 (en) * | 2002-08-22 | 2004-01-13 | Custom Molders, Inc. | Double barrel vehicle cooling fan shroud |
KR100484826B1 (en) * | 2002-11-25 | 2005-04-22 | 엘지전자 주식회사 | Refrigerator's cool air circulation blower |
KR100484828B1 (en) * | 2002-11-27 | 2005-04-22 | 엘지전자 주식회사 | Refrigerator's cool air circulation axial flow fan |
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2008
- 2008-12-03 US US12/327,012 patent/US20090162203A1/en not_active Abandoned
- 2008-12-04 EP EP08170719A patent/EP2075473A1/en not_active Withdrawn
- 2008-12-24 CN CNA2008101852747A patent/CN101469718A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105101748A (en) * | 2014-05-23 | 2015-11-25 | 弗罗纽斯国际有限公司 | Heat sink and housing for an inverter with such a heat sink |
CN105101748B (en) * | 2014-05-23 | 2018-06-01 | 弗罗纽斯国际有限公司 | Radiator and the housing for having the inverter of this radiator |
US10104808B2 (en) | 2014-05-23 | 2018-10-16 | Fronius International Gmbh | Heat sink and housing for an inverter with such a heat sink |
CN105180566A (en) * | 2015-10-22 | 2015-12-23 | 合肥美菱股份有限公司 | Condensation system of refrigerator and refrigerator |
CN107339843A (en) * | 2016-05-02 | 2017-11-10 | 东部大宇电子株式会社 | Cooling fan and the refrigerator including cooling fan |
CN107339843B (en) * | 2016-05-02 | 2020-03-20 | 东部大宇电子株式会社 | Cooling fan and refrigerator comprising same |
Also Published As
Publication number | Publication date |
---|---|
KR20090069027A (en) | 2009-06-29 |
KR101463812B1 (en) | 2014-11-20 |
EP2075473A1 (en) | 2009-07-01 |
US20090162203A1 (en) | 2009-06-25 |
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