CN108700091A - Fan assembly - Google Patents
Fan assembly Download PDFInfo
- Publication number
- CN108700091A CN108700091A CN201780011946.XA CN201780011946A CN108700091A CN 108700091 A CN108700091 A CN 108700091A CN 201780011946 A CN201780011946 A CN 201780011946A CN 108700091 A CN108700091 A CN 108700091A
- Authority
- CN
- China
- Prior art keywords
- motor
- fan assembly
- field frame
- fan
- frequency converter
- 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.)
- Granted
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Classifications
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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
- F04D29/40—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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Motor Or Generator Cooling System (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing Of Bearings (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention relates to the fan assemblies for transferring gas.Fan assembly has:Motor (7);Fan (5) is fixed in the rotary shaft (6) of motor (7);Frequency converter (8) can make motor (7) speed change;Motor field frame (17) has the Transducer Room (28) of the motor room (27) and storage frequency converter (8) of storage motor (7);And cowling panel (45), it is closely configured with the end wall of the composition Transducer Room (8) of motor field frame (17), there is the width bigger than the width of motor field frame (17).Ventilation hole (45b) is formed on cowling panel (45).
Description
Technical field
The present invention relates to the fan assemblies for transferring gas, more particularly to set on heat exchangers such as cooling tower or radiators
Fan assembly.
Background technology
In the past, as carrying out cooling to the cooling water used in air-conditioning equipment or shop equipment (plant) etc.
Heat exchanger and use cooling tower.Cooling tower has the fan assembly for importing extraneous gas to the inside of the cooling tower, should
The fan of fan assembly is usually operated by motor under low speed rotation.In the cooling water for making air be flowed with Cooling Water
The outer surface of pipe contacts to carry out in cooling radiator the cooling water, also uses fan assembly.
Two poles or quadrupole that the motor of fan assembly usually considers cost, weight and size etc. and selects are electronic
Machine.In order to make fan be operated under low speed rotation, and fan is linked via deceleration mechanism and motor.Deceleration mechanism is, for example,
The band deceleration mechanism of band with multiple belt wheels and on these belt wheels makes The gear deceleration made of multiple gear combinations
Mechanism.
Also using the fan assembly with the frequency converter (inverter) that can make motor gear box.Frequency converter and motor
Connection, can be with desired rotary speed drive motor by the frequency converter.In previous cooling tower, frequency converter is set
It sets in the side of cooling tower main body, or is arranged at spaced intervals from cooling tower main body.
Existing technical literature
Patent document
Patent document 1:No. 5043382 bulletins of Japanese Patent No.
Patent document 2:No. 5711654 bulletins of Japanese Patent No.
Invention content
Using by motor via deceleration mechanism and the fan assembly of fan connection, need to consider speed reducer
The setting place and setting construction of structure.Moreover, when frequently repeating the starting and stopping of fan, exists and generated from deceleration device
The case where noise.By the rotary speed of inverter control motor, the starting of fan can be comfortably carried out
And stop, therefore can inhibit to generate noise.However, it is desirable to consider the setting place and setting construction of frequency converter.Therefore, it is desirable to
Be by the fan assembly of frequency converter and motor unit.
When making motor rotate, motor can generate heat.By frequency converter and motor unit, (such as frequency converter is pacified
Mounted in the side of the motor field frame of storage motor) in the case of, the heat generated from motor can be passed to frequency converter.
In this case, it is difficult to effectively frequency converter be cooled down.Moreover, cooling tower (or radiator) to be set to outdoor situation
Under, since motor and frequency converter are irradiated by direct sunlight, so being more difficult to so that the temperature of motor and frequency converter reduces.
In the operating of fan assembly, storing the temperature in the motor case body of motor can get higher, and on the other hand ought stop
Only after fan assembly, the temperature in motor case body can be reduced to room temperature.It is formed on motor field frame and feeds to motor confession
Give the cable of electric power interspersed cable hole.When the temperature rise in motor case body, the air in motor case body can expand,
When the temperature in motor case body reduces, the air in motor case body can be shunk.At this point, extraneous gas can be invaded from cable hole
Enter into motor case body, therefore deposits the case where aerial moisture condenses in motor case body.There are dew condensation waters to make electricity
The case where insulation performance of motivation reduces or makes it get rusty in motor case body.Therefore, motor case is invaded in order to reduce
The amount of internal extraneous gas, preferably efficiently the frequency converter to motor and with the motor unit carry out it is cooling and
Temperature in motor case body is maintained low.
Therefore, have and the frequency converter of motor unit and can be effectively the purpose of the present invention is to provide a kind of
Cooling fan assembly is carried out to the frequency converter and motor.
The scheme of the present invention is a kind of fan assembly, is had:Motor;Fan is fixed on above-mentioned motor
In rotary shaft;Frequency converter can make above-mentioned motor gear box;Motor field frame has and stores the electronic of above-mentioned motor
Machine room and the Transducer Room for storing above-mentioned frequency converter;And cowling panel, the above-mentioned frequency converter of composition with above-mentioned motor field frame
The end wall of room closely configures, and there is the width bigger than the width of above-mentioned motor field frame, above-mentioned motor to be located at above-mentioned frequency conversion
Between device and said fans, ventilation hole is formed on above-mentioned cowling panel.
The preferred embodiment of the present invention is characterized in that above-mentioned ventilation hole is formed in the central portion of above-mentioned cowling panel.
The preferred embodiment of the present invention is characterized in that, be formed on above-mentioned cowling panel towards the outer peripheral edge of the cowling panel and
Said fans and inclined rake.
The preferred embodiment of the present invention is characterized in that also thering is the frequency converter cooling fin being located on above-mentioned end wall.
The preferred embodiment of the present invention is characterized in that above-mentioned frequency converter has the power contacted with the inner surface of above-mentioned end wall
Element.
The preferred embodiment of the present invention is characterized in that thering is the motor heat dissipation being located on the side wall of above-mentioned motor field frame
Piece.
The preferred embodiment of the present invention is characterized in that also having and surrounded at spaced intervals from the side wall of above-mentioned motor field frame
The duct member of the side wall, be formed on above-mentioned duct member towards said fans and widened expansion section outward.
The preferred embodiment of the present invention is characterized in that the coil of the stator of above-mentioned motor is covered by resin.
The preferred embodiment of the present invention is characterized in that above-mentioned motor is that the PM configured with permanent magnet is electronic on rotor
Machine.
The preferred embodiment of the present invention is characterized in that above-mentioned PM motor are in the inside of rotor configured with permanent magnet
IPM motor.
The preferred embodiment of the present invention is characterized in that above-mentioned IPM motor have two ends for being covered each by above-mentioned rotor
The cover plate in face.
The preferred embodiment of the present invention is characterized in that also having:The bearing of above-mentioned rotary shaft can rotatably be supported;With cover
The bearing cage for stating bearing is covered, above-mentioned bearing cage configuration is between above-mentioned motor and above-mentioned bearing.
The preferred embodiment of the present invention is characterized in that also there is shaft seal, shaft seal configuration to supply above-mentioned rotation
Axis runs through the axis through-Penetration portion of above-mentioned motor field frame, by the clearance seal between above-mentioned rotary shaft and above-mentioned motor field frame, on
Stating shaft seal has:Rotary part has the discoid base portion for the peripheral surface for being fixed on above-mentioned rotary shaft and from above-mentioned
The cylindric protruding portion that base portion extends towards above-mentioned motor field frame;And stationary parts, it is fixed on above-mentioned axis through-Penetration portion, shape
At there is the recess portion for surrounding above-mentioned protruding portion.
The preferred embodiment of the present invention is characterized in that above-mentioned recess portion has the opposite with the peripheral surface of above-mentioned protruding portion the 1st
Side and 2nd side opposite with the inner peripheral surface of above-mentioned protruding portion are equipped with and the above-mentioned 2nd on the inner peripheral surface of above-mentioned protruding portion
The lip of side contact.
Invention effect
According to the present invention, due to storing the motor room of motor and the Transducer Room of storage frequency converter by motor field frame
It is formed, so being capable of providing the compact fan assembly by frequency converter and motor unit.Moreover, because air passes through fan
Rotation and flowed on the outer surface of motor field frame, so the heat generated in the motor is taken away by the air, and from electricity
Motivation shell removes.The air flowed on the outer surface of motor field frame is also from the end for being formed in cowling panel and motor field frame
Air flow circuit between wall passes through, and is flowed out from the ventilation hole of cowling panel.The heat generated in frequency converter is led to from air flow circuit
The air crossed is taken away.As a result, can effectively be cooled down to motor and frequency converter both sides.
Description of the drawings
Fig. 1 is the schematic diagram for an example for indicating cooling tower.
Fig. 2 is the schematic diagram for the other examples for indicating cooling tower.
Fig. 3 A are the schematic diagrames for an example for indicating radiator.
Fig. 3 B are the schematic diagrames for the cooling water pipe for indicating to wriggle in the inner space of framework shown in Fig. 3 A.
Fig. 4 is the sectional view of the fan assembly of an embodiment.
Fig. 5 is the vertical view of lid shown in Fig. 4.
Fig. 6 is the sectional view of a part for the stator for indicating motor shown in Fig. 4.
Fig. 7 is the enlarged cross-sectional view for an example for indicating shaft seal.
Fig. 8 is the enlarged cross-sectional view for the variation for indicating shaft seal shown in Fig. 7.
Fig. 9 is the sectional view of the fan assembly of other embodiment.
Figure 10 is the figure for the fan assembly for indicating another other embodiment.
Figure 11 is the figure for the fan assembly for indicating another other embodiment.
Figure 12 is the figure for the variation for indicating cooling tower shown in FIG. 1.
Specific implementation mode
Illustrate embodiments of the present invention referring to the drawings.
Fig. 1 is the schematic diagram for an example for indicating cooling tower.Cooling tower shown in FIG. 1 has cooling tower main body 3, configuration
Packing material 2 in the inside of cooling tower main body 3 and the fan assembly 1 mounted on the top of cooling tower main body 3.Fan assembly 1
Detailed construction will be described later.It is rotated when making fan 5 of the configuration in the blower-casting 18 of fan assembly 1 by motor 7
When, air from the shutter (louver) 15 on the side for being located at cooling tower main body 3 by by be inhaled into cooling tower main body 3
In.The air being inhaled into cooling tower main body 3 is discharged after passing through from fan assembly 1 from cooling tower.It is directed to cooling tower
In cooling water through cooling tower main body 3 and extend ingress pipe 10 in flow.It is formed with and is located in the end of ingress pipe 10
The floss hole 10a of the top of packing material 2 is discharged from floss hole 10a by cooling water to packing material 2.It is discharged into filling
The cooling water of material 2 is wandered in the inside of packing material 2, with the air being inhaled by fan assembly 1 in cooling tower main body 3
Contact.Heat exchange is carried out between cooling water and air as a result, by cooling water cooling.Cooling water after cooled, which is pooled to, to be set
In the sink 12 of the lower part of cooling tower main body 3, by the external discharge from the drainpipe 11 being connect with the sink 12 to cooling tower.
Cooling tower shown in FIG. 1 is the water-cooled heat exchanger that cooling water is directly cooled by air, is referred to as open cold
But tower.
Fig. 2 is the schematic diagram for the other examples for indicating cooling tower.The structure and Fig. 1 for the present embodiment being not particularly illustrated
Shown in cooling tower structure it is identical, therefore omit its repeat description.
The ingress pipe 10 of cooling tower shown in Fig. 2 is connect with configuration in one end of the coil pipe 20 of the inside of cooling tower main body 3,
The drainpipe 11 that cooling water is discharged from cooling tower is connect with the other end of coil pipe 20.Cooling water is flowed from ingress pipe 10 to coil pipe 20
Enter, and is flowed out from coil pipe 20 to drainpipe 11.Moreover, the cooling tower has the sprinkler pipe 22 for spreading water to coil pipe 20.
Sprinkler pipe 22 extends to the top of coil pipe 20 from the outside of cooling tower, and the watering mouth for spreading water is formed in the end of sprinkler pipe 22
22a.The water spread from the watering mouth 22a of sprinkler pipe 22 contacts with the surface of coil pipe 20, thus with flowed in the coil pipe 20
Cooling water carries out heat exchange.The cooling water flowed in coil pipe 20 as a result, is cooled.It is spread from the watering mouth 22a of sprinkler pipe 22
The air cooling that is drawn by fan assembly 1 in cooling tower main body 3 of water.The water for contacting and wandering with coil pipe 20 is pooled to
In sink 12, by the external discharge from the watering bleeder pipe 25 being connect with the sink 12 to cooling tower.Cooling tower shown in Fig. 2 is
The water-cooled heat exchanger for the water cooling that the cooling water flowed in coil pipe 20 is spread from sprinkler pipe 22, is referred to as closed
Cooling tower.
Fig. 3 A are the schematic diagrames for an example for indicating radiator, and Fig. 3 B are to indicate that the inside of the framework shown in Fig. 3 A is empty
Between in wriggle cooling water pipe schematic diagram.Radiator has shown in Fig. 3 A:Radiator body 32 is equipped with Cooling Water stream
The framework 33 and fan assembly 1 of dynamic cooling water pipe 30.As shown in Figure 3B, cooling water pipe 30 is with the straight tube of the cooling water pipe 30
Mode horizontally extending portion 30a is wriggled in the inner space of framework 33.Cooling water pipe 30 can also be with the cooling water pipe
30 straight sections 30a wriggles along the mode that vertical direction extends in the inner space of framework 33.Framework 33, which is embedded in, to be formed in
Opening on the side of radiator body 32, and it is fixed in radiator body 32.When making fan assembly 1 by motor 7
When fan 5 rotates, air passes through from the gap between the straight sections 30a for being formed in sinuous cooling water pipe 32, and is inhaled into
In radiator body 32.Cooling fin (not shown) is usually mounted on cooling water pipe 30, what is flowed in cooling water pipe 30 is cold
But the heat of water is passed to cooling fin.The cooling water flowed in the cooling water pipe 30 of radiator is via cooling water pipe 30 and heat dissipation
Piece and carry out heat exchange with the air that is inhaled by fan assembly 1 in the inside of radiator body 32.As a result, in cooling water
The cooling water flowed in pipe 30 is cooled.Radiator shown in Fig. 3 A is that the cooling water that is flowed in cooling water pipe 30 is cold by air
But the heat exchanger of air-cooled type.
Fig. 4 is the sectional view of the fan assembly 1 of an embodiment.In Fig. 4, the diagram of blower-casting 18 is omitted.
The fan assembly 1 is set to radiator shown in cooling tower shown in fig. 1 or fig. 2 or Fig. 3 A.Fan assembly 1 have fan 5,
Make the motor 7 and the frequency converter 8 that 7 speed change of motor can be made that the fan 5 rotates.Fan 5 has hub 16 and from the hub
Multiple fins 14 that portion 16 radially extends.The hub 16 of fan 5 is fixed on the end of the rotary shaft 6 of motor 7, by
This directly links fan 5 and motor 7.
Fan assembly 1 has the motor field frame 17 of storage motor 7 and frequency converter 8, thus by frequency converter 8 and motor
7 blocking.In the present embodiment, motor field frame 17 has cylindrical shape.The inside of motor field frame 17 passes through partition wall
29 and be divided into motor room 27 and Transducer Room 28, Transducer Room 28 is located at the upside of motor room 27.Motor 7 is received
It is contained in the motor room 27 being formed in inside motor field frame 17, frequency converter 8, which is incorporated in, to be formed in inside motor field frame 17
Transducer Room 28.Therefore, motor 7 is between frequency converter 8 and fan 5.The upper wall (end wall) of motor field frame 17 is by energy
The lid 40 enough removed is constituted.Lid 40 constitutes the top of Transducer Room 28.
Power cable hole 17a is formed on the side wall 17b of motor field frame 17, from power supply (not shown) to frequency converter 8
The power cable 42 supplied electric power from the power cable hole 17a by by extend.Motor cable is formed on partition wall 29
Hole 29a, the motor cable 46 supplied electric power from frequency converter 8 to motor 7 from the motor cable hole 29a by by extend.
Configured with the control unit 51 being connect with frequency converter 8 in Transducer Room 28.In the present embodiment, control unit 51 is matched
It sets on the frequency converter substrate 8a configured with power component (such as the switch elements such as IGBT) 50 etc., which, which is constituted, becomes
Frequency device 8.In one embodiment, control unit 51 can also be made discretely to be configured from frequency converter 8.Control unit 51 is to frequency converter 8
The switch motion of power component 50 controlled, thus control the rotary speed of motor 7, the i.e. rotary speed of fan 5.
Motor 7 or induction conductivity, but motor 7 be preferably with the rotor for being configured with permanent magnet and with
PM motor (the Permanent Magnet Motor of the relatively configured stator of the rotor:Permanent magnet motor).Especially, such as
Shown in Fig. 4, motor 7 is preferably configured with the IPM motor (Interior of permanent magnet 41 in the inside of rotor 43
Permanent Magnet Motor:Interior permanent magnet motors).Since PM motor (especially IPM motor) have height
Efficiency, so the fever of motor 7 can be inhibited.
Rotor 43 is fixed in rotary shaft 6, and stator 44 is fixed on the inner surface of motor field frame 17.Therefore, exist
The heat generated in the stator 44 of motor 7 is passed to motor field frame 17.Motor 7 shown in Fig. 4 is that stator 44 is configured
Radial gap type motor on the outside of the radial direction of rotor 43.Though it is not illustrated, motor 7 can also be stator and
The axial gap electric motor that rotor axially arranges.
The rotary shaft 6 of motor 7 shown in Fig. 4 passes through two bearings 35,36 for being configured at spaced intervals along vertical direction
And it can rotatably be supported.Upside bearing 35 is installed in the lower surface (i.e. the upper surface of motor room 27) of partition wall 29,
Lower side bearing 36 is installed in the lower surface of motor room 27.
It is adjacent to configured with cowling panel 45 with the upper wall (end wall) of motor field frame 17.More specifically, in motor case
The top of the top of body 17, i.e. lid 40 is configured with cowling panel 45.In the present embodiment, motor field frame 17 has cylindrical shape
Shape, therefore cowling panel 45 has disc-shape.Cowling panel 45 passes through multiple ribs for being fixed on the upper surface (outer surface) of lid 40
(not shown) and supported.Cowling panel 45 has the width bigger than the width of motor field frame 17.More specifically, cowling panel 45
Diameter it is bigger than the diameter of the peripheral surface of motor field frame 17, the periphery of the outer peripheral edge 45a and motor field frame 17 of cowling panel 45
It compares and protrudes outward in face.Cowling panel 45 has the ventilation hole 45b for the central portion for being formed in the cowling panel 45.Also, it is preferred that
It is to be formed on cowling panel 45 towards the outer peripheral edge 45a of cowling panel 45 and tilted downwards (i.e. towards the periphery of cowling panel 45
Edge 45a and fan 5 tilt) rake 45c.
When making motor 7 drive, fan 5 rotates, by the fan 5 of rotation, air from fan assembly 1 underneath towards
It flows top.A part for the air is upwarded while with the contact of the outer surface of motor field frame 17 to be flowed, with cowling panel
45 collide.Due to being formed with ventilation hole 45b in the central portion of cowling panel 45, the sky collided with cowling panel 45
Its flow direction is altered to the direction towards 45 center of cowling panel by gas, in the upper wall (i.e. lid 40) for being formed in motor field frame 17
Upper surface and the lower surface of cowling panel 45 between air flow circuit 37 in flow.Moreover, air pass through from ventilation hole 45b it is backward
It flows the top of cowling panel 45.In the present embodiment, since cowling panel 45 has rake 45c, so with cowling panel 45
The air that rake 45c is collided forms the flowing towards air flow circuit 37.As a result, can make in air flow circuit 37
The flow of the air of middle flowing increases.
According to the present embodiment, due to storage motor 7 motor room 27 and storage frequency converter 8 Transducer Room 28 by
The formation of motor field frame 17, so being capable of providing the compact fan assembly 1 of 7 blocking of frequency converter 8 and motor.Moreover,
The heat that motor field frame 17 is transmitted to from motor 7 is flowed by the rotation of fan 5 on the outer surface of motor field frame 17
Dynamic air is removed from motor field frame 17.The air flowed on the outer surface of motor field frame 17 is from being formed in cowling panel 45
Lower surface and motor field frame 17 upper wall (i.e. lid 40) upper surface between air flow circuit 37 pass through, and from cowling panel 45
Ventilation hole 45b outflow.Generated in frequency converter 8 heat by from air flow circuit 37 by air take away.As a result, can
Effectively motor 7 and 8 both sides of frequency converter are cooled down.Especially since cowling panel 45 has rake 45c, so
The flow of the air flowed in air flow circuit 37 increases, and can more effectively be cooled down to frequency converter 8.Moreover, cowling panel
45 can reduce the amount for the direct sunlight for being irradiated to motor field frame 17.As a result, can inhibit caused by direct sunlight
The temperature rise of motor field frame 17, so as to promote the cooling of motor 7 and frequency converter 8.
As shown in figure 4, can also be set on the upper wall (end wall) of motor field frame 17, the i.e. upper surface (outer surface) of lid 40
Set frequency converter cooling fin 49.Fig. 5 is the vertical view of lid 40.As shown in Figures 4 and 5, be fixed on the upper surface of lid 40 is in put
Penetrate multiple frequency converter cooling fins 49 of shape extension.Frequency converter cooling fin 49 is equally spaced arranged along the circumferential direction of lid 40.Becoming
The heat generated from frequency converter 8 in frequency device room 28 is passed to frequency converter cooling fin 49 via lid 40, and radiates from the frequency converter
Piece 49 is transmitted to the air flowed in air flow circuit 37.As a result, can efficiently be cooled down to frequency converter 8.
In frequency converter 8, heat is mainly generated from power component 50.Therefore, as shown in figure 4, preferably making power component
50 contact with the lower surface (inner surface) of lid 40 (i.e. the upper wall of motor field frame 17).By making under power component 50 and lid 40
Surface contacts, and the heat generated in power component 50 is directly transferred to lid 40.Lid 40 is by flowing in air flow circuit 37
Air and be cooled, therefore from frequency converter 8 generate heat be removed efficiently, so as to promote the cooling of frequency converter 8.
Fig. 6 is the partial sectional view of the stator 44 of motor 7 shown in Fig. 4.As shown in fig. 6, stator 44 has:Stator core
47, with multiple tooth 47a;With coil 48, on each tooth 47a.Coil 48 is whole to be covered by resin 58.It is formed in each
Gap between tooth 47a is filled by resin 58, moreover, as shown in figure 4, from 47 end turn outstanding of stator core also by resin 58
Covering.In motor 7, heat is mainly generated from stator core 47 and coil 48.In the present embodiment, due to the whole quilt of coil 48
Resin 58 covers, so the most of of the heat generated in coil 48 is passed to stator core 47 by resin 58.It is passed
To in stator core 47 heat and the heat that is generated from stator core 47 be passed to motor field frame 17, and by the rotation by fan 5
And the air flowed on the outer surface of motor field frame 17 removes.Therefore, by whole with the covering of resin 58 coil 48, and energy
Enough promote the cooling of motor 7.
According to the above embodiment, efficiently motor 7 and frequency converter 8 can be cooled down.But work as driving fan
When device 1, temperature in motor field frame 17 can due to the heat that is generated from motor 7 and frequency converter 8 and to rise to a certain degree,
After stopping fan assembly 1, the temperature in motor field frame 17 can be reduced to room temperature.At this point, in the frequency conversion of motor field frame 17
In device room 28, pass through motor line from Transducer Room 28 in motor room 27 from power cable hole 17a sucking extraneous gas
Cable hole 29a sucks extraneous gas.In the case of the humidity height for the extraneous gas being inhaled into motor room 27, it is possible to meeting
Dew condensation water is generated in motor room 27.Therefore, as shown in figure 4, preferably setting is covered each by two end faces of rotor 43
Cover plate 66.Permanent magnet of the dew condensation water generated in motor room 27 with configuration in the inside of rotor 43 is prevented by cover plate 66
41 contacts.As a result, permanent magnet 41 will not get rusty, therefore the deterioration of rotor 43 can be prevented.
Also, it is preferable that setting covers the bearing cage 67 of the upper surface of lower side bearing 36.Bearing cage 67 is located at motor 7
Between lower side bearing 36.Prevent the dew condensation water generated in motor room 27 from being contacted with lower side bearing 36 by bearing cage 67.
As a result, lower side bearing 36 will not get rusty, therefore the deterioration of lower side bearing 36 can be prevented.
The case where there are the outer surfaces that dew condensation water results from motor field frame 17.It is formed on motor field frame 17 for rotation
Shaft 6 runs through the axis through-Penetration portion of the motor field frame 17.When the dew condensation water for the outer surface for resulting from motor field frame 17 is passed through from axis
Wear portion by by be immersed in the inside of motor field frame 17 when, can make motor 7 deteriorate.Therefore, as shown in figure 4, in motor
The axis through-Penetration portion of shell 17 is configured with the shaft seal 70 of the clearance seal between rotary shaft 6 and motor field frame 17.Pass through
Shaft seal 70 prevents that the dew condensation water in the outer surface of motor field frame 17 is immersed in motor field frame 17.
Fig. 7 is the enlarged cross-sectional view for an example for indicating shaft seal 70.Shaft seal 70 shown in Fig. 7, which has, to be fixed
In rotary shaft 6 and the rotary part 71 integrally rotated with rotary shaft 6 and the axis through-Penetration portion 17c for being fixed on motor field frame 17
Stationary parts 75.Rotary part 71 has the discoid base portion 72 for the peripheral surface for being fixed on rotary shaft 6 and from the base portion 72
The cylindric protruding portion 73 for extending upward and (extending towards motor field frame 17).In the present embodiment, protruding portion 73
Extend upward from the outer peripheral edge of base portion 72, is integrally formed with base portion 72.In one embodiment, can also will as with
The different component of base portion 72 and the protruding portion 73 that constitutes is installed to base portion 72.
The recess portion 77 for the protruding portion 73 for surrounding rotary part 71 is formed on stationary parts 75.More specifically, recess portion
77 have:1st side 77a, it is opposite with the peripheral surface 73a of protruding portion 73, there is cylindrical shape;With the 2nd side 77b, with
The inner peripheral surface 73b of protruding portion 73 is opposite, has cylindrical shape.Moreover, the 1st side 77a is connect with the bottom surface 77c of recess portion 77, the 2nd
Side 77b is also connect with the bottom surface 77c of recess portion 77.Shaft seal 70 has by 72 protrusion outstanding of base portion from rotary part 71
The maze configuration that portion 73 and the recess portion 77 for surrounding the protruding portion 73 are constituted.In the present embodiment, shaft seal 70 has quiet
The contactless axle envelope construction that stop part 75 is not contacted with rotary part 71.That is, be formed in the recess portion 77 of stationary parts 75
1st side 77a, the 2nd side 77b and bottom surface 77c will not be contacted with the protruding portion 73 of rotary part 71.
To result from the outer surface of motor field frame 17 and flow to shaft seal 70 stationary parts 75 dew condensation water make
With there is gravity.Therefore, the gap which can not be between the peripheral surface 73a of protruding portion 73 and the 1st side 77a of recess portion 77
In move up.As a result, it is therefore prevented that the dew condensation water for resulting from the outer surface of motor field frame 17 is immersed in the motor case
The inside of body 17.
Fig. 8 is the sectional view for the variation for indicating shaft seal 70 shown in Fig. 7.Due to this implementation being not particularly illustrated
The structure of mode is identical as the structure of shaft seal 70 shown in Fig. 7, so omitting its repeat description.Axis shown in Fig. 8 is close
The rotary part 71 of sealing 70 has the cricoid lip 79 being located on the inner peripheral surface 73b of protruding portion 73.The front end of lip 79 and recess portion
77 the 2nd side 77b contacts.In the present embodiment, shaft seal 70 not only has by protruding portion 73 and surrounds the protruding portion
The maze configuration that 73 recess portion 77 is constituted also has the 2nd of the lip 79 and recess portion 77 being located on the inner peripheral surface 73b of protruding portion 73
The axle envelope construction of the contact of side 77b contacts.The lip 79 contacted by the 2nd side 77b with recess portion 77, is reliably prevented knot
Dew is immersed in the inside of motor field frame 17.In addition it is also possible to instead of lip 79 that the 2nd side 77b with recess portion 77 is contacted and
The lip contacted with the 1st side 77a of recess portion 77 is set on the peripheral surface 73a of protruding portion 73.
Fig. 9 is the schematic diagram of the fan assembly 1 of other embodiment.In fig.9, the diagram of blower-casting 18 is omitted.
Since the structure for the present embodiment being not particularly illustrated is identical as the structure of the above embodiment, so omitting saying for its repetition
It is bright.
Fan assembly 1 shown in Fig. 9 has the multiple heat radiator fins of motor being located on the side wall 17b of motor field frame 17
60.Heat radiator fins of motor 60 is fixed on the side wall 17b of motor field frame 17, between being waited along the circumferential direction of motor field frame 17
It is arranged every ground.The heat generated in motor 7 is passed to heat radiator fins of motor 60 via motor field frame 17, and by electricity
The air flowed on the outer surface of motivation shell 17 is removed from heat radiator fins of motor 60.As a result, motor 7 can be promoted
It is cooling.
It is somebody's turn to do as shown in figure 9, fan assembly 1 preferably also has to surround at spaced intervals from the side wall 17b of motor field frame 17
The duct member 62 of side wall 17b.Be formed on duct member 62 towards the lower end (i.e. towards fan 5) of the duct member 62 and it is widened
Expansion section 62a.Duct member 62 is supported by rib (not shown) being fixed on the side wall 17b of motor field frame 17.In pipe
It is formed with for the rotation using fan 5 and flows upward between the inner surface of component 62 and the side wall 17b of motor field frame 17
Air by air flow circuit 63.
By setting with expansion section 62a duct member 62, the air flowed upward using the rotation of fan 5 with
Expansion section 62a collides, and is flowed into air flow circuit 63.Therefore, by the way that the duct member 62 is arranged, and can make in motor case
The flow of the air flowed on the outer surface of body 17 increases.As a result, the heat generated from motor 7 can be removed effectively,
Therefore it can promote the cooling of motor.
In the above-described embodiment, illustrate to be installed on cooling tower (referring to FIG. 1 and FIG. 2) or radiator (with reference to Fig. 3 A),
And the fan assembly 1 of the air-flow flowed upward is generated, but the fan assembly 1 of the present invention is not limited to the example.For example, can be with
Fan assembly 1 is used as the scavenger fan of air is discharged from facilities such as tunnel, underground parkings, be also used as by storehouse
The scavenger fan that air in the buildings such as library, factory is replaced with extraneous gas.Alternatively, fan assembly 1 can also be used
Acting on makes the circulating fan of the air circulation in the buildings such as warehouse, factory.Alternatively, fan assembly 1 can also be configured
In the piping of the gas-circulating systems such as high building air-conditioning system.
Moreover, (direction is opposite with the setting angle of fan assembly 1 in the direction for the air-flow that the fan 5 of fan assembly 1 generates
Answer) it is not limited to top.For example, the direction for the air-flow that the fan 5 of fan assembly 1 generates can be horizontal direction, it can also
For inclined direction (i.e. the inclined direction relative to vertical direction or horizontal direction).Moreover, the gas that fan assembly 1 is transferred is simultaneously
It is not limited to air.For example, fan assembly 1 can be used for transferring the gas other than the air used in shop equipment.With
Under referring to Fig.1 0 and Figure 11 illustrate the example that fan assembly 1 is set to the equipment other than cooling tower and radiator.
Figure 10 is the figure for the fan assembly 1 for indicating another other embodiment.Fan assembly 1 shown in Fig. 10 is by from building
The wall surface 80 of object is sling, and the gas (such as air) in building is transferred to horizontal direction.The fan assembly 1 is used as making building
The circulating fan of air circulation in object.
Fan assembly 1 shown in Fig. 10 substantially has 1 identical structure of fan assembly as shown in fig. 4, therefore passes through
Identical reference numeral is marked to corresponding structural element, to omit detail explanation.In the present embodiment, fan fills
The fan 5 for setting 1 transfers air to horizontal direction by it is rotated.1 fan assembly 1 shown in Fig. 4 of fan assembly revolves
Turn to be sling from the wall surface 80 of building in the state of 90 °, has been connected with the rotary shaft 6 of the motor 7 of fan 5 in the horizontal direction
Extend.
The blower-casting 18 of the fan assembly 1 has cylindrical shape, is accommodated with fan 5 and motor field frame inside it
17.Fan 5 and motor field frame 17 are supported by multiple ribs (not shown) being fixed on the inner peripheral surface of blower-casting 18.
The suspender (steel wire rope, wire) 82,82 that the wall surface 80 of building is extended to from the peripheral surface of blower-casting 18 extends, fan assembly
1 is supported in by steel wire rope 82,82 on the wall surface 80 of building.
Figure 11 is the figure for the fan assembly 1 for indicating another other embodiment.Fan assembly 1 shown in Figure 11 is used as being set to
The circulating fan of high building air-conditioning system.The high building air-conditioning system has the piping 85 flowed for air, the configuration in the piping 85
There is fan assembly 1.The fan assembly 1 is fixed on the inner surface of piping 85 by fixing piece (not shown) (such as rib), will
Air adipping transfer in piping 85.
Fan assembly 1 shown in Figure 11 also substantially has 1 identical structure of fan assembly as shown in fig. 4, therefore logical
It crosses and identical reference numeral is marked to corresponding structural element, to omit detail explanation.In the present embodiment, fan
The fan 5 of device 1 transfers the air adipping in piping 85 by it is rotated.The fan assembly 1 makes shown in Fig. 4
Fan assembly 1 tilt in the state of be fixed on piping 85 inner surface on, be connected with the rotary shaft 6 of the motor 7 of fan 5
Sideling extend.In the present embodiment, the axle center of rotary shaft 6 is parallel with the direction that piping 85 extends.
Fan assembly 1 shown in Figure 10 or Figure 11 also has the motor field frame 17 of storage motor 7 and frequency converter 8, by
This is by frequency converter 8 and 7 blocking of motor.The inside of motor field frame 17 is divided into motor room 27 by partition wall 29
With Transducer Room 28.Motor 7 is incorporated in the motor room 27 being formed in inside motor field frame 17, and frequency converter 8 is contained
In the Transducer Room 28 being formed in inside motor field frame 17.The fan 5 being connect with the end of the rotary shaft 6 of motor 7 and electricity
Motivation room 27 is adjacent, and Transducer Room 28 is located at the side opposite with fan 5.Therefore, the position compared with motor room of Transducer Room 28
In the downstream side of the air-flow (hereinafter referred to as air-flow) generated by the rotation of fan 5, motor 7 is located at frequency converter 7 and wind
Between fan 5.In the present embodiment, the end wall of motor field frame 17 is made of the lid 40 that can be removed, shown in the end wall and Fig. 4
Motor field frame 17 upper wall it is corresponding.Lid 40 constitutes the end of the Transducer Room 28 positioned at airflow downstream side.
The rotary shaft 6 of motor 7 shown in Fig. 10 passes through two bearings 35,36 for configuring at spaced intervals in the horizontal direction
And it can rotatably be supported.The rotary shaft 6 of motor 7 shown in Figure 11 by along inclined direction configure at spaced intervals two
A bearing 35,36 and can rotatably be supported.35 upside bearing as shown in fig. 4 of downstream side bearing positioned at airflow downstream side
35 is corresponding, and the side which is installed in partition wall 29 (is located at the motor room 27 of airflow downstream side
Inner surface).The lower side bearing 36 as shown in fig. 4 of upstream side bearing 36 positioned at air-flow upstream side is corresponding, the upstream side bearing
36 are mounted on the inner surface of the motor room 27 of air-flow upstream side.As shown in Figures 10 and 11, upstream side bearing 36
It can be covered by bearing cage 67.The bearing cage 67 configures between motor 7 and upstream side bearing 36.Prevented by bearing cage 67
The dew condensation water only generated in motor room 27 is contacted with upstream side bearing 36.
It is adjacent to configured with cowling panel 45 with the lid 40 for the end wall for constituting motor field frame 17.Shown in Figure 10 or Figure 11
In fan assembly 1, motor field frame 17 has cylindrical shape, therefore cowling panel 45 has disc-shape.Cowling panel 45 passes through solid
Multiple ribs (not shown) for being scheduled on the outer surface of lid 40 and supported.Cowling panel 45 has bigger than the width of motor field frame 17
Width.More specifically, the diameter of cowling panel 45 is bigger than the diameter of the peripheral surface of motor field frame 17, the periphery of cowling panel 45
Edge 45a is protruded outward compared with the peripheral surface of motor field frame 17.Cowling panel 45 has the center for being formed in the cowling panel 45
The ventilation hole 45b in portion.Also, it is preferable that being formed with the outer peripheral edge 45a and fan 5 towards the cowling panel 45 on cowling panel 45
And inclined rake 45c.
When making motor 7 drive, fan 5 rotates, and air is flowed from the fan 5 towards motor field frame 17.In Figure 10
Shown in fan assembly 1, the gas flowed in the horizontal direction in the inside of blower-casting 18 is generated by fan 5 of rotation
Stream.In the fan assembly 1 shown in Figure 11, is generated by fan 5 of rotation and along inclined direction flowed in the inside of piping 85
Air-flow.A part for the air towardss the flowing of cowling panel 45 while contact on one side with the outer surface of motor field frame 17, with this
Cowling panel 45 collides.Due to being formed with ventilation hole 45b in the central portion of cowling panel 45, touched with cowling panel 45
Its flow direction is altered to the direction towards 45 center of cowling panel by the air hit, in the end wall for being formed in motor field frame 17
It is flowed in air flow circuit 37 between the outer surface and the inner surface of cowling panel 45 of (i.e. lid 40).Moreover, air is from ventilation hole 45b
By by flow to the direction far from cowling panel 45.In the fan assembly 1 shown in Figure 10 or Figure 11, since cowling panel 45 has
Rake 45c, therefore the air collided with the rake 45c of cowling panel 45 forms the flowing towards air flow circuit 37.
As a result, the flow of the air flowed in air flow circuit 37 can be made to increase.
In the fan assembly 1 shown in Figure 10 and Figure 11, and the motor room 27 of storage motor 7 and storage frequency converter
8 Transducer Room 28 is formed by motor field frame 17, therefore is capable of providing the compact of 7 blocking of frequency converter 8 and motor
Fan assembly 1.Moreover, from motor 7 be transmitted to motor field frame 17 heat by by the rotation of fan 5 by motor field frame
The air flowed on 17 outer surface is removed from motor field frame 17.The air flowed on the outer surface of motor field frame 17 from
The air flow circuit 37 being formed between the inner surface of cowling panel 45 and the outer surface of the end wall (i.e. lid 40) of motor field frame 17 is logical
It crosses, from the ventilation hole 45b outflows of cowling panel 45.Generated in frequency converter 8 heat by from air flow circuit 37 by air take away.
As a result, can effectively be cooled down to motor 7 and 8 both sides of frequency converter.It is tilted especially since cowling panel 45 has
Portion 45c so the flow of the air flowed in air flow circuit 37 increases, and can more effectively cool down frequency converter 8.
As shown in Figures 10 and 11, fan assembly 1 can also have the gap between rotary shaft 6 and motor field frame 17
The shaft seal 70 of sealing.Prevent that the dew condensation water of the outer surface in motor field frame 17 is immersed in electricity by shaft seal 70
In motivation shell 17.
The shaft seal 70 has the rotary part 71 for being fixed on rotary shaft 6 and integrally being rotated with rotary shaft 6 and fixes
In the stationary parts 75 of the axis through-Penetration portion 17c of motor field frame 17.Rotary part 71 has the peripheral surface for being fixed on rotary shaft 6
Discoid base portion 72 and the cylindric protruding portion 73 extended from the base portion 72 towards motor field frame 17.In stationary parts
The recess portion 77 for the protruding portion 73 for surrounding rotary part 71 is formed on 75.Shaft seal 70, which has, is dashed forward by protruding portion 73 with this is surrounded
Go out the maze configuration that the recess portion 77 in portion 73 is constituted.
In the same manner as the shaft seal 70 illustrated with reference to Fig. 7, shaft seal 70 has stationary parts 75 will not be with rotating part
The contactless axle envelope construction that part 71 contacts.That is, being formed in the 1st side 77a of the recess portion 77 of stationary parts 75, the 2nd side
77b and bottom surface 77c will not be contacted with the protruding portion 73 of rotary part 71.In one embodiment, the rotation of shaft seal 70
Component 71, which can also have, to be located on the inner peripheral surface 73b of protruding portion 73 and is contacted with the 2nd side 77b of recess portion 77 cricoid
Lip 79 (with reference to Fig. 8).Alternatively, can also replace with lip 79 that the 2nd side 77b of recess portion 77 is contacted and in the periphery of protruding portion 73
The lip contacted with the 1st side 77a of recess portion 77 is set on the 73a of face.
Though it is not illustrated, fan assembly 1 shown in Figure 10 or Figure 11 can have the side for being located at motor field frame 17
Multiple heat radiator fins of motor 60 (with reference to Fig. 9) on wall 17b, can also also have and be separated from the side wall 17b of motor field frame 17
Compartment of terrain surrounds the duct member 62 of side wall 17b (with reference to Fig. 9).In the case where fan assembly 1 has heat radiator fins of motor 60,
The heat generated in motor 7 is passed to heat radiator fins of motor 60 via motor field frame 17, by motor field frame 17
The air flowed on outer surface is removed from heat radiator fins of motor 60.As a result, the cooling of motor 7 can be promoted.
In the case where fan assembly 1 has duct member 62 (with reference to Fig. 9), the duct member 62 is by being fixed on motor case
Rib (not shown) on the side wall 17b of body 17 and supported.It is preferably formed with towards fan 5 and expands on duct member 62
Expansion section 62a.By duct member 62 of the setting with expansion section 62a, the sky flowed upward using the rotation of fan 5
Gas collides with expansion section 62a, is flowed between the inner surface for being formed in duct member 62 and the side wall 17b of motor field frame 17
Air flow circuit 63 (with reference to Fig. 9) in.Therefore, by the way that the duct member 62 is arranged, and the appearance in motor field frame 17 can be made
The flow of the air flowed on face increases.As a result, the heat generated from motor 7 can be removed effectively, therefore can promote
Into the cooling of motor.
Figure 12 is the figure for the variation for indicating cooling tower shown in FIG. 1.Due to the present embodiment that is not particularly illustrated
Structure is identical as cooling tower shown in FIG. 1, so omitting its repeat description.Moreover, because fan assembly 1 shown in Figure 12
Structure is identical as the structure of fan assembly 1 shown in Fig. 10 in addition to blower-casting 18, so omitting its repeat description.
Cooling tower shown in Figure 12 has the fan assembly 1 on the side of cooling tower main body 3.That is, the fan fills
Set 1 have with the identical structure of fan assembly 1 of referring to Fig.1 0 explanation, by gas to horizontal direction by fan 5 of rotation
Transfer.
When rotating fan 5 of the configuration in the blower-casting 18 of the fan assembly 1 by motor 7, air is from setting
The shutter 15 on a side of cooling tower main body 3 by by be inhaled into cooling tower main body 3.It is inhaled into cooling tower
Air in main body 3 is flowed in the inside of the cooling tower main body 3 to horizontal direction, from another side for being located at cooling tower main body 3
Fan assembly 1 on face is discharged after passing through from cooling tower main body 3.The cooling water of packing material 2 is discharged into from floss hole 10a
It is contacted with the air flowed in the horizontal direction in the inside of cooling tower main body 3.Hot friendship is carried out between cooling water and air as a result,
It changes, cooling water is cooled.
Fan assembly 1 shown in Figure 12 is also in the same manner as fan assembly 1 shown in Fig. 10, due to storing the electricity of motor 7
The Transducer Room 28 of motivation room 27 and storage frequency converter 8 is formed by motor field frame 17, so being capable of providing frequency converter 8 and electricity
The compact fan assembly 1 of 7 blocking of motivation.Moreover, being transmitted to the heat of motor field frame 17 by by fan 5 from motor 7
Rotation and the air that is flowed on the outer surface of motor field frame 17 is removed from motor field frame 17.In motor field frame 17
Appearance of the air flowed on outer surface from the end wall (i.e. lid 40) for the inner surface and motor field frame 17 for being formed in cowling panel 45
Air flow circuit 37 between face passes through, from the ventilation hole 45b outflows of cowling panel 45.The heat generated in frequency converter 8 is by from air
Flow path 37 by air take away.As a result, can effectively be cooled down to motor 7 and 8 both sides of frequency converter.Especially
It is, since cowling panel 45 has rake 45c, so the flow of the air flowed in air flow circuit 37 increases, and can be more
Effectively frequency converter 8 is cooled down.
In the same manner as the fan assembly 1 of referring to Fig.1 0 explanation, fan assembly 1 shown in Figure 12 can have covering upstream side
The bearing cage 67 of bearing 36 and configuration between motor 7 and upstream side bearing 36, it is possible to have by rotary shaft 6 and motor
The shaft seal 70 of clearance seal between shell 17.Moreover, in the same manner as the fan assembly 1 illustrated with reference to Fig. 9, shown in Figure 12
Fan assembly 1 can have and be located at multiple heat radiator fins of motor 60 on the side wall 17b of motor field frame 17, can also also have
There is the duct member 62 for surrounding side wall 17b at spaced intervals from the side wall 17b of motor field frame 17.
As 0 to Figure 12 explanation referring to Fig.1, fan assembly 1 can configure in various spaces, and can arbitrarily set
Determine the setting angle (direction for the air-flow that i.e. fan 5 generates) of fan assembly 1.Therefore, it is possible to which the fan assembly 1 of the present invention is fitted
For various uses.
The above embodiment can implement this hair with the personnel with the usual knowledge in the technical field belonging to the present invention
It is recorded for the purpose of bright.As long as various modifications example those skilled in the art of the above embodiment can implement certainly,
The technological thought of the present invention can also be suitable for other embodiment.Therefore, the present invention is not limited to recorded embodiment party
Formula should be the widest scope in accordance with the technological thought defined according to claims.
Industrial applicibility
The present invention can be used in the fan assembly for transferring gas.
Reference sign
1 fan assembly
2 packing materials
3 cooling tower main bodys
5 fans
6 rotary shafts
7 motor
8 frequency converters
10 ingress pipes
11 drainpipes
12 sinks
14 fins
15 shutters
16 hubs
17 motor field frames
18 blower-castings
20 coil pipes
22 sprinkler pipes
25 watering bleeder pipes
27 motor room
28 Transducer Rooms
29 partition walls
30 cooling water pipes
32 radiator bodies
33 frameworks
35 upside bearings
36 times side bearings
37 air flow circuits
40 lids
41 permanent magnets
42 power cables
43 rotors
44 stators
45 cowling panels
46 motor cables
47 stator cores
48 coils
49 frequency converter cooling fins
50 power components
51 control units
58 resins
60 heat radiator fins of motor
62 duct members
63 air flow circuits
66 cover plates
67 bearing cages
70 shaft seals
71 rotary parts
72 base portions
73 protruding portions
75 stationary parts
77 recess portions
Claims (14)
1. a kind of fan assembly, which is characterized in that have:
Motor;
Fan is fixed in the rotary shaft of the motor;
Frequency converter can make the motor gear box;
Motor field frame has the motor room for storing the motor and stores the Transducer Room of the frequency converter;And
Cowling panel closely configures with the end wall of the composition Transducer Room of the motor field frame, has than the electricity
The big width of the width of motivation shell,
The motor between the frequency converter and the fan,
It is formed with ventilation hole on the cowling panel.
2. fan assembly as described in claim 1, which is characterized in that
The ventilation hole is formed in the central portion of the cowling panel.
3. fan assembly as claimed in claim 1 or 2, which is characterized in that
It is formed on the cowling panel towards the outer peripheral edge of the cowling panel and the fan and inclined rake.
4. fan assembly as claimed any one in claims 1 to 3, which is characterized in that
Also there is the frequency converter cooling fin being located on the end wall.
5. fan assembly according to any one of claims 1 to 4, which is characterized in that
The frequency converter has the power component contacted with the inner surface of the end wall.
6. the fan assembly as described in any one of claim 1 to 5, which is characterized in that
With the heat radiator fins of motor being located on the side wall of the motor field frame.
7. such as fan assembly according to any one of claims 1 to 6, which is characterized in that
Also there is the duct member for surrounding the side wall at spaced intervals from the side wall of the motor field frame,
Be formed on the duct member towards the fan and widened expansion section outward.
8. the fan assembly as described in any one of claim 1 to 7, which is characterized in that
The coil of the stator of the motor is covered by resin.
9. such as fan assembly described in any item of the claim 1 to 8, which is characterized in that
The motor is the permanent magnet motor that permanent magnet is configured on rotor.
10. fan assembly as claimed in claim 9, which is characterized in that
The permanent magnet motor is to be configured with the interior permanent magnet motors of permanent magnet in the inside of rotor.
11. fan assembly as claimed in claim 10, which is characterized in that
The interior permanent magnet motors have the cover plate for two end faces for being covered each by the rotor.
12. the fan assembly as described in any one of claim 1 to 11, which is characterized in that also have:
The bearing of the rotary shaft can rotatably be supported;With
The bearing cage of the bearing is covered,
The bearing cage configuration is between the motor and the bearing.
13. the fan assembly as described in any one of claim 1 to 12, which is characterized in that
Also there is shaft seal, the shaft seal to configure in the axis through-Penetration portion for running through the motor field frame for the rotary shaft,
By the clearance seal between the rotary shaft and the motor field frame,
The shaft seal has:
Rotary part has the discoid base portion for the peripheral surface for being fixed on the rotary shaft and from the base portion towards institute
State the cylindric protruding portion of motor field frame extension;With
Stationary parts is fixed on the axis through-Penetration portion, is formed with the recess portion for surrounding the protruding portion.
14. fan assembly as claimed in claim 13, which is characterized in that
The recess portion has 1st side opposite with the peripheral surface of the protruding portion and opposite with the inner peripheral surface of the protruding portion
The 2nd side,
The lip contacted with the 2nd side is equipped on the inner peripheral surface of the protruding portion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-030737 | 2016-02-22 | ||
| JP2016030737 | 2016-02-22 | ||
| PCT/JP2017/006322 WO2017146031A1 (en) | 2016-02-22 | 2017-02-21 | Fan device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108700091A true CN108700091A (en) | 2018-10-23 |
| CN108700091B CN108700091B (en) | 2020-06-12 |
Family
ID=59686208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780011946.XA Active CN108700091B (en) | 2016-02-22 | 2017-02-21 | Fan device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPWO2017146031A1 (en) |
| CN (1) | CN108700091B (en) |
| WO (1) | WO2017146031A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635632A (en) * | 2018-06-22 | 2019-12-31 | 群光电能科技股份有限公司 | Motor device and heat dissipation device |
| US20220247276A1 (en) * | 2019-07-15 | 2022-08-04 | Weg Equipamentos Eletricos S.A. | Heat sink for rotating electric machine and frequency inverter and corresponding rotating electric machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7340937B2 (en) * | 2019-02-25 | 2023-09-08 | 住友重機械工業株式会社 | reduction gear |
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Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2017146031A1 (en) | 2019-01-10 |
| WO2017146031A1 (en) | 2017-08-31 |
| CN108700091B (en) | 2020-06-12 |
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