CN106401997B - Fan assembly and air blower with it - Google Patents
Fan assembly and air blower with it Download PDFInfo
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- CN106401997B CN106401997B CN201610580538.3A CN201610580538A CN106401997B CN 106401997 B CN106401997 B CN 106401997B CN 201610580538 A CN201610580538 A CN 201610580538A CN 106401997 B CN106401997 B CN 106401997B
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- Prior art keywords
- shell
- blower
- fan assembly
- motor
- air
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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
- F04D25/082—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provision for cooling the motor
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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
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
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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
- F04D29/5806—Cooling the drive system
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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
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of fan assembly and with its air blower, wherein fan assembly includes: blower, blower include first shell and be arranged in first shell air inlet air inlet structure；Motor, motor connect with blower and drive blower；Cooling pipe, the first end of cooling pipe are connected to the inside of air inlet structure, and second end and the motor of cooling pipe are correspondingly arranged.Technical solution of the present invention solves the problems, such as that fan assembly cooling effect in the prior art is poor.
Description
Technical field
The present invention relates to wind power installation technical fields, in particular to a kind of fan assembly and with its air blower.
Background technique
High-speed motor is more small in size than ordinary motor, power density is high simultaneously because energy conservation with cost in terms of it is advantageous, obtain
To large-scale application.But it has that fever is high, radiate difficulty compared with ordinary motor, and with the increasing of power
It is more obvious greatly.Therefore the cooling of high-speed motor is just particularly important.The type of cooling of high-speed motor is mainly wind at present
Cooling, as shown in Figure 1, air-flow enters from the air inlet 2 ' of shell 1 ' by taking air blower as an example, by the latter portion of filter 3 '
Divide and be discharged by blower 4 ', another part enters to motor 5 ' and cooled down.However, due to the gas flow temperature entered from air inlet
It is higher, it is in the prior art poor to the air-cooled cooling effect of high-speed motor.
Summary of the invention
The main purpose of the present invention is to provide a kind of fan assembly and with its air blower, to solve in the prior art
The poor problem of fan assembly cooling effect.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of fan assembly, comprising: blower, wind
Machine include first shell and be arranged in first shell air inlet air inlet structure；Motor, motor connect and drive with blower
Dynamic blower；Cooling pipe, the first end of cooling pipe are connected to the inside of air inlet structure, the second end and motor pair of cooling pipe
It should be arranged.
Further, air inlet structure is collecting cover, and the first end of cooling pipe is connected on the side wall of collecting cover.
Further, motor includes second shell and is arranged in the intracorporal transmission shaft of second shell, and blower further includes setting
In the intracorporal impeller of first shell, the first end of transmission shaft is connect with impeller.
Further, cooling hole is provided in second shell.
Further, cooling hole is multiple, and multiple cooling holes are arranged along the circumferential direction of second shell.
Further, cooling hole is circular hole or polygonal hole.
Further, motor further includes the cooling fan that the second end of transmission shaft is arranged in.
Further, second shell connect with first shell and is connected to first shell.
Further, blower further includes the downtake pipe that the exhaust ports of first shell are arranged in.
Further, motor further includes the second exhaust pipe of connection on the second housing, and second exhaust pipe is in second shell
On connecting pin be correspondingly arranged with cooling fan.
According to another aspect of the present invention, a kind of air blower, including third shell and setting are provided in third shell
Interior fan assembly, fan assembly are above-mentioned fan assembly.
Further, air inlet, air blower are provided on third shell further include: the first airflow channel, the first air-flow are logical
The both ends in road are respectively communicated with the blower of air inlet and fan assembly；The both ends of second airflow channel, the second airflow channel connect respectively
The motor of logical first airflow channel and fan assembly.
Further, air blower further include: separation structure is arranged in third shell and divides the intracorporal space of third shell
It is divided into first receiving space and the second accommodation space, first receiving space forms the first airflow channel, and the second accommodation space is formed
Second airflow channel, air inlet are connected to first receiving space, and connection first receiving space and second is provided on separation structure
The flow channels and escape port of accommodation space, wherein the blower of fan assembly is arranged in first receiving space, fan assembly
Motor be arranged in the second accommodation space and connect with blower by escape port, the second end company of the cooling pipe of fan assembly
It connects in flow channels.
It applies the technical scheme of the present invention, when fan assembly operation, air-flow flowing velocity after air inlet structure becomes faster,
Temperature reduces simultaneously.Cooling pipe is connected to the inside of air inlet structure, so that the lower air of temperature in air inlet structure be introduced
To motor.Above structure can cool down motor using the lower air of temperature, to improve the cooling effect of motor.
Therefore technical solution of the present invention solves the problems, such as that fan assembly cooling effect in the prior art is poor.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of air blower in the prior art；And
Fig. 2 shows the structural schematic diagrams of the embodiment of air blower according to the present invention and fan assembly.
Wherein, the above drawings include the following reference numerals:
1 ', shell；2 ', air inlet；3 ', filter；4 ', blower；5 ', motor；10, blower；11, first shell；12, into
Wind structure；13, impeller；14, downtake pipe；20, motor；21, second shell；22, transmission shaft；23, cooling hole；24, cooling
Fan；25, second exhaust pipe；30, cooling pipe；30, cooling pipe；100, third shell；110, air inlet；200, blower fan group
Part；300, separation structure；310, flow channels；320, escape port；400, first receiving space；500, the second accommodation space.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the application and its application or making
Any restrictions.Based on the embodiment in the application, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall in the protection scope of this application.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited scope of the present application processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present application, it is to be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System is merely for convenience of description the application and simplifies description, and in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is the limitation to the application protection scope；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
Apply for the limitation of protection scope.
As shown in Fig. 2, a kind of fan assembly of the present embodiment includes blower 10, motor 20 and cooling pipe 30.Wherein,
Air inlet structure 12 of the blower 10 including first shell 11 and the air inlet that first shell 11 is arranged in.Motor 20 and blower 10
It connects and drives blower 10.The first end of cooling pipe 30 is connected to the inside of air inlet structure 12, the second end of cooling pipe 30
It is correspondingly arranged with motor 20.
Using the technical solution of the present embodiment, when fan assembly operation, air-flow flowing velocity after air inlet structure 12
It becomes faster, while temperature reduces.Cooling pipe 30 is connected to the inside of air inlet structure 12, so that temperature in air inlet structure 12 is lower
Air be introduced at motor 20.Above structure can cool down motor using the lower air of temperature, to improve electricity
The cooling effect of machine.Therefore the technical solution of the present embodiment solves that fan assembly cooling effect in the prior art is poor to ask
Topic.
As shown in Fig. 2, in the technical scheme of this embodiment, air inlet structure 12 is collecting cover, the first of cooling pipe 30
End is connected on the side wall of collecting cover.Pod is in bell shape, and air-flow flow velocity after entering in pod becomes faster, while gas
Temperature reduction.
As shown in Fig. 2, in the technical scheme of this embodiment, motor 20 includes second shell 21 and is arranged in second shell
Transmission shaft 22 in body 21, blower 10 further include the impeller 13 being arranged in first shell 11, the first end and leaf of transmission shaft 22
13 connection of wheel.Transmission shaft 22 drives impeller 13 to rotate, so that blower 10 be made to operate.
As shown in Fig. 2, in the technical scheme of this embodiment, cooling hole 23 is provided in second shell 21.Through supercooling
The air-flow that pipeline 30 is drawn is entered to the inside of motor 20 and is cooled down by cooling hole 23.Preferably, cooling hole 23 is more
It is a, circumferential direction setting of multiple cooling holes 23 along second shell 21.Above structure enables air-flow to carry out equably motor 20
It is cooling.
In the present embodiment, cooling hole 23 is circular hole, and certain cooling hole 23 may be the hole of other structures, such as polygon
Shape hole or the hole of other shapes.
As shown in Fig. 2, in the technical scheme of this embodiment, motor 20 further includes the second end that transmission shaft 22 is arranged in
Cooling fan 24.Specifically, transmission shaft 22 also drives cooling fan 24 to rotate when impeller 13 rotates, and cooling fan 24 produces
Raw negative pressure is simultaneously drawn air into motor 20.Air is flowed in motor 20 and is cooled down to motor 20.
As shown in Fig. 2, in the technical scheme of this embodiment, second shell 21 is connect with first shell 11 and and first shell
Body 11 is connected to.In the present embodiment, 11 separate structures of second shell 21 and first shell, second shell 21 are fixed by screw
In first shell 11.Certainly, second shell 21 and first shell 11 also can be made integral structure.
As shown in Fig. 2, in the technical scheme of this embodiment, blower 10 further includes the exhaust outlet that first shell 11 is arranged in
The downtake pipe 14 at place.The wind that downtake pipe 14 blows out blower 10 is drawn.
As shown in Fig. 2, in the technical scheme of this embodiment, motor 20 further includes second be connected in second shell 21
Exhaust pipe 25, connecting pin of the second exhaust pipe 25 in second shell 21 are correspondingly arranged with cooling fan 24.Air is from cooling hole
It is discharged outside to after 23 entrance from second exhaust pipe 25, so that air forms flowing in second shell 21, so that
Air in second shell 21 to cooling down.
Present invention also provides a kind of air blowers, as shown in Fig. 2, including third according to the embodiment of the air blower of the application
Shell 100 and the fan assembly 200 being arranged in third shell 100, fan assembly 200 are above-mentioned fan assembly.
As shown in Fig. 2, in the technical scheme of this embodiment, air inlet 110, air blower are provided on third shell 100
It further include the first airflow channel and the second airflow channel.The both ends of first airflow channel are respectively communicated with air inlet 110 and blower fan group
The blower 10 of part 200, the both ends of the second airflow channel are respectively communicated with the motor 20 of the first airflow channel and fan assembly 200.
As shown in Fig. 2, in the technical scheme of this embodiment, air blower further includes separation structure 300.Separation structure 300
It is arranged in third shell 100 and the space in third shell 100 is divided into first receiving space 400 and the second accommodation space
500, first receiving space 400 forms the first airflow channel, and the second accommodation space 500 forms the second airflow channel.Air inlet 110
It is connected to first receiving space 400, connection first receiving space 400 and the second accommodation space 500 is provided on separation structure 300
Flow channels 310 and escape port 320, wherein the blower 10 of fan assembly 200 is arranged in first receiving space 400, wind
The motor 20 of thermomechanical components 200 is arranged in the second accommodation space 500 and is connect by escape port 320 with blower 10, fan assembly
The second end of 200 cooling pipe 30 is connected in flow channels 310.
Specifically, when air blower run when, due to blower 10 generate negative pressure so that air-flow from air inlet 110 into
Enter.Air-flow enters to first shell 11 by 12 rear portion of air inlet structure, and another part air-flow is after entering air inlet structure 12
Passing through cooling pipe 30 and is being eventually introduced to motor 20.So that temperature lower air motor 20 can be carried out it is cold
But.
By above structure, the fan assembly of the application has and has following characteristics with air blower:
As shown in Fig. 2, the present invention can strengthen the cooling effect of rotor by carrying out very little change to existing structure.
Specific the present embodiment is applied on the suspension air blower driven using high-speed motor.High speed suspension air blower is by air blower machine
Shell, machine shaft, impeller, spiral case, exhaust pipe, induction chamber, motor cooling fan (motor cooling fan is aerofoil fan) composition.
The through-hole that circumferencial direction is uniformly distributed is disposed on blower motor stator casing body, the position of the through-hole is located at magnetic suspension radial direction
Near bearing sensor, enable the cooling air entered from through-hole effectively cooling sensor is same can directly make from motor one end
Air enters in the gap of motor stator and rotor and then also cools down to rotor.It is high-speed blower and air-breathing filter screen, cold
But wind exhaust pipe, air-breathing noise-reducing structure are occasionally grouped together in cabinet body.Air blower cabinet body is separated into left and right two parts by intermediate bulkhead,
And baffle surface not can be carried out air-flow flowing.A through-hole is provided on partition.Air blower connects in its induction chamber with impeller blade
Place is provided with a through-hole, which is connected through piping with the through-hole on partition, and the size of through-hole and caliber is according to motor operation
When calorific value, required cooling air volume be calculated, the matched through-hole diameter value range of 50KW high-speed motor be 10~
20mm.The main shaft of suspension air blower, impeller connection type are axis nut check.Air blower at runtime, motor drive main shaft,
Impeller is rotated, and due to the rotation work done of impeller, so that low pressure occurs in the suction side on the right side of impeller, and then realizes the company of impeller
Continuous air-breathing and exhaust.The air in the cabinet body external world is filtered sucking air by the effect of filter screen, drops impurity in gas
The api request of operation that is low and meeting suspension air blower.Successively passed through induction chamber, the impeller of air blower by filtered air
Entrance, impeller outlet, spiral case, finally enters exhaust pipe at impeller blade.A part of air-flow is passing through air blower induction chamber, impeller
Pipeline is entered by through-hole after import, in impeller blade inlet, and enters cabinet body eventually by the through-hole of intermediate bulkhead
In the other half.The structures such as induction chamber, impeller eye of the road gas due to passing through air blower, and the induction chamber of air blower is usual
Contrainjector structure, gas speed quickening, pressure reduction, mercury dropped when with this configuration, survey in practice this at gas
Temperature would generally be than reducing by 5~6 DEG C before induction chamber.The key of the present embodiment is sufficiently with the air-flow by induction chamber, temperature
Degree has the air of reduction, and it is introduced the partition other side by snorkel and is produced to be fully cooled in high-speed motor operational process
Raw heat.The lower sucking gas of temperature passes through through-hole, uniformly distributed to enter from electric machine casing cooling hole, to motor circumferencial direction
Stator cooled down with rotor.Heated gas is extracted out by the cooling fan of motor shaft end after motor, and along cold
But air blower cabinet body is discharged in exhaust pipe.Embodiment is suitable for magnetic-suspension high-speed air blower, gas suspension high-speed blower.
Fan assembly and air blower in the present embodiment is specific as follows there are also some alternate embodiments:
1, the through-hole that air blower is opened in its induction chamber and impeller blade joint, and be connected with the through-hole pipeline, every
The whole a set of bleed component of through-hole on plate also can be distributed in air blower upside, left side, right side, also or air blower circumference, on an equal basis
The bleed structure of principle belongs to the protection scope of the embodiment；
2, the structure type of bleed through-hole is unlimited in the present embodiment, is able to satisfy the structure of air-entraining function；
3, the pipeline being connected with the through-hole on partition is being led on the left of cabinet body partition and can extended with additional pipeline, the pipeline
Extension also belong to the equivalent embodiments；
4, the cooling hole shape of the electric machine casing is unlimited, meets equal distribution or the round, rectangular of annular distribution, square
The structures such as shape.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of fan assembly characterized by comprising
Blower (10), the blower (10) include the air inlet of first shell (11) and setting in the first shell (11)
Air inlet structure (12), the blower (10) further include setting the first shell (11) exhaust ports downtake pipe
(14)；
Motor (20), the motor (20) connect with the blower (10) and drive the blower (10)；
The first end of cooling pipe (30), the cooling pipe (30) is connected to the inside of the air inlet structure (12), described cold
But the second end of pipeline (30) is correspondingly arranged with the motor (20)；
Wherein, the air inlet structure (12) is collecting cover, and the first end of the cooling pipe (30) is connected to the collecting cover
On side wall.
2. fan assembly according to claim 1, which is characterized in that the motor (20) include second shell (21) and
The transmission shaft (22) being arranged in the second shell (21), the blower (10) further include being arranged in the first shell (11)
The first end of interior impeller (13), the transmission shaft (22) is connect with the impeller (13).
3. fan assembly according to claim 2, which is characterized in that be provided with cooling hole on the second shell (21)
(23)。
4. fan assembly according to claim 3, which is characterized in that the cooling hole (23) be it is multiple, it is multiple described cold
But the circumferential direction setting of hole (23) along the second shell (21).
5. fan assembly according to claim 3, which is characterized in that the cooling hole (23) is circular hole or polygon
Hole.
6. fan assembly according to claim 2, which is characterized in that the motor (20) further includes being arranged in the transmission
The cooling fan (24) of the second end of axis (22).
7. fan assembly according to claim 2, which is characterized in that the second shell (21) and the first shell
(11) it connects and is connected to the first shell (11).
8. fan assembly according to claim 6, which is characterized in that the motor (20) further includes being connected to described second
Second exhaust pipe (25) on shell (21), connecting pin and institute of the second exhaust pipe (25) on the second shell (21)
Cooling fan (24) is stated to be correspondingly arranged.
9. a kind of air blower, including third shell (100) and the fan assembly being arranged in the third shell (100)
(200), which is characterized in that the fan assembly (200) is fan assembly described in any item of the claim 1 to 8.
10. air blower according to claim 9, which is characterized in that be provided with air inlet on the third shell (100)
(110), the air blower further include:
First airflow channel, the both ends of first airflow channel are respectively communicated with the air inlet (110) and the fan assembly
(200) blower (10)；
Second airflow channel, the both ends of second airflow channel are respectively communicated with first airflow channel and the fan assembly
(200) motor (20).
11. air blower according to claim 10, which is characterized in that the air blower further include:
Separation structure (300) is arranged in the third shell (100) and separates the space in the third shell (100)
For first receiving space (400) and the second accommodation space (500), the first receiving space (400) forms first air-flow
Channel, second accommodation space (500) form second airflow channel, and the air inlet (110) and described first accommodate
Space (400) is connected to, and the connection first receiving space (400) and described second is provided on the separation structure (300) and is held
Receive the flow channels (310) and escape port (320) of space (500),
Wherein, blower (10) setting of the fan assembly (200) is in the first receiving space (400), the blower fan group
Motor (20) setting of part (200) in second accommodation space (500) and passes through the escape port (320) and the blower
(10) it connects, the second end of the cooling pipe (30) of the fan assembly (200) is connected on the flow channels (310).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610580538.3A CN106401997B (en) | 2016-07-21 | 2016-07-21 | Fan assembly and air blower with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610580538.3A CN106401997B (en) | 2016-07-21 | 2016-07-21 | Fan assembly and air blower with it |
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| Publication Number | Publication Date |
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| CN106401997A CN106401997A (en) | 2017-02-15 |
| CN106401997B true CN106401997B (en) | 2019-02-26 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11131311B2 (en) | 2017-10-13 | 2021-09-28 | Ametek, Inc. | Motor-fan assembly with improved airflow and noise reduction properties |
| US10830244B2 (en) * | 2017-10-13 | 2020-11-10 | Ametek, Inc. | Motor-fan assembly with improved airflow and noise reduction properties |
| US11002282B2 (en) | 2017-10-13 | 2021-05-11 | Ametek, Inc. | Motor-fan assembly with improved airflow and noise reduction properties |
| US10634148B2 (en) | 2017-10-13 | 2020-04-28 | Ametek, Inc. | Motor-fan assembly with improved airflow and noise reduction properties |
| CN111356332A (en) * | 2018-12-24 | 2020-06-30 | 合肥迅达电器有限公司 | Intelligent rectifier cabinet and temperature control method thereof |
| CN109788721B (en) * | 2019-03-16 | 2020-02-28 | 山东华东风机有限公司 | Electric control element heat dissipation system of high-speed magnetic suspension blower |
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| CN204284020U (en) * | 2014-10-11 | 2015-04-22 | 南京磁谷科技有限公司 | The centrifugal blower that blast air and cooling-air separately can be filtered |
| CN204283929U (en) * | 2014-11-17 | 2015-04-22 | 南京磁谷科技有限公司 | The centrifugal blower of dual-spiral sprue |
| CN205154700U (en) * | 2015-12-01 | 2016-04-13 | 珠海格力电器股份有限公司 | Fan subassembly reaches air conditioner including this fan subassembly |
| CN105351231A (en) * | 2015-12-09 | 2016-02-24 | 南京磁谷科技有限公司 | Air blower cooling structure |
| CN205937168U (en) * | 2016-07-21 | 2017-02-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Fan subassembly and have its air -blower |
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