CN107725427B - A kind of air-conditioning draught fan - Google Patents
A kind of air-conditioning draught fan Download PDFInfo
- Publication number
- CN107725427B CN107725427B CN201710883738.0A CN201710883738A CN107725427B CN 107725427 B CN107725427 B CN 107725427B CN 201710883738 A CN201710883738 A CN 201710883738A CN 107725427 B CN107725427 B CN 107725427B
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- China
- Prior art keywords
- flabellum
- air
- motor
- draught fan
- conditioning draught
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/388—Blades characterised by construction
-
- 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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Abstract
The present invention relates to blower fields, provide a kind of air-conditioning draught fan, solve existing air cleaner and are easy dirty, service life short the problem of need to often replacing.This air-conditioning draught fan, including air duct, motor and flabellum one, the air duct includes air inlet and air outlet, the flabellum one is centrifugal fan flabellum, and the flabellum one is located in the air duct and connect with the motor, and the motor is can clockwise and anticlockwise motor, the flabellum one is connect by unilateral bearing one with the main shaft, flabellum two is additionally provided in the air duct, the flabellum two is Axial-flow Fan, and the flabellum two is also connect with the main shaft.The present invention drives air to flow from air outlet to air inlet by motor reversal, and by outside the dust blowout vehicle on air cleaner, so that air cleaner be made to keep cleaning, operation of the present invention is convenient, and simple and compact for structure, production cost is low.
Description
Technical field
The invention belongs to blower technical fields, are related to a kind of air-conditioning draught fan.
Background technique
On-board air conditioner is one of the equipment of automobile indispensability, it is by air cleaner, compressor, condenser, restricting element, steaming
It sends out device, blower and control unit to constitute, for adjusting vehicle interior temperature, humidity, provides comfortable environment to occupants.Its is hollow
The effect of air cleaner is the service life in order to improve interior air quality and extension on-board air conditioner.Due to outdoor at present empty
Gas is second-rate, and the impurity particles such as dust are more, and air cleaner after a period of operation will be by dust and pollen etc.
Grain blocking, to reduce the effect of efficiency and filtering that air passes through, needs to be replaced frequently air cleaner.
Currently, the air blower of on-board air conditioner, which generallys use single motor, drives a fan rotation, air is taken to vehicle
It is interior.As (application number: 201510877866) to disclose a kind of automobile using driven by Brush-Less DC motor empty for Chinese patent application
Air blower, including wind wheel and DC brushless motor, the wind wheel is adjusted to be mounted on DC brushless motor, the wind wheel is mounted on electricity
One end that machine mandrel stretches out, the motor rear cover are equipped with cooling fin.And the technical solution is used, air cleaner is in use process
In be easy the full dust of product and, while also result in the reduction of air conditioning exhausting amount, need frequently to tear open to reduce the effect of its air filtration
Clean or replacement air cleaner is washed down, maintenance cost had not only been increased in this way but also had reduced the usage experience of user.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of air-conditioning draught fan, institute of the present invention are proposed
Technical problems to be solved are: how air cleaner to be kept to clean.
Object of the invention can be realized by the following technical scheme:
A kind of air-conditioning draught fan, including air duct, motor and flabellum one, the air duct include air inlet and air outlet, the fan
Ye Yiwei centrifugal fan flabellum, the flabellum one are located in the air duct and connect with the motor, and the motor is can be positive and negative
Rotating motor, the flabellum one are connect by unilateral bearing one with the main shaft, and flabellum two, the flabellum are additionally provided in the air duct
Two be Axial-flow Fan, and the flabellum two is also connect with the main shaft.
Centrifugal fan flabellum has the advantages that wind pressure is big, air-supply is remote, suitable for air-conditioning ventilation system.Centrifugal fan flabellum
When rotation by centrifugal action by along its axially into air thrown away to radial direction, make air from air inlet toward air outlet
Direction movement, present flabellum one connect with main shaft by unilateral bearing one and adds flabellum two on main shaft, when rotating forward motor,
Unilateral bearing one blocks flabellum and flabellum one is driven to follow main axis together, flows into air from air inlet and from air outlet stream
Out, it ensure that the positive air-supply work of flabellum one；In motor reversal, flabellum one and the opposite sliding of unilateral bearing one make flabellum
One remain stationary it is motionless, avoid generate forward flow air-flow, main shaft drive flabellum two rotate backward, make air from air outlet stream
To air inlet, can blow off the dust being adsorbed on air cleaner originally when air reversely flows through air cleaner air-filtering
Device, thus make air cleaner keep cleaning, make it motor rotate forward when filter effect it is more preferable, extend air cleaner
Service life reduces the frequency and cost of replacement air cleaner.
Flabellum one and flabellum two are all set in the design on the same electric machine main shaft, make its more compact structure, transmission efficiency
It is higher；And it is all made of the same motor driven when air-conditioning draught fan normal work and air cleaner dedusting, space is both saved,
Also reduce production cost.
In above-mentioned air-conditioning draught fan, between the motor and flabellum two, the flabellum two is located at the flabellum one
On the main shaft close to the air inlet one end and with the air inlet face.Since air cleaner is generally disposed at air inlet
Mouthful place, flabellum two is close to air inlet, and when motor reversal, the wind-force of air inlet outflow is bigger, dust on removing air cleaner
Effect it is more preferable.
In above-mentioned air-conditioning draught fan, the flabellum two is connect by unilateral bearing two with the main shaft, the one-way shaft
It is opposite with the locking direction of unilateral bearing two to hold one.The setting of unilateral bearing two makes flabellum two when motor rotates forward not with main shaft
Rotation avoids generating the air in air duct the outlet air efficiency for disturbing and reducing flabellum one；When motor rotates backward, one-way shaft
It holds two to block flabellum two and make its rotation, so that air is flowed to air inlet from air outlet, so that the dust on air cleaner is clear
In addition to vehicle out.
In above-mentioned air-conditioning draught fan, the blade quantity of the flabellum two is two.The blade quantity of flabellum two is designed to
Two, the axial area of flabellum two can be reduced as best one can, when rotating forward motor, air can be passed through from air inlet more glibly
Flabellum two reaches air outlet, avoids having an impact flabellum one, keeps the outlet air of air outlet more stable.
In above-mentioned air-conditioning draught fan, the flabellum two is two-way fan blade, and the flabellum two is fixed with the main shaft
Connection.Flabellum two using similar Patent No. CN200320102313.5 two-way fan blade, when motor rotates forward, it and fan
Leaf one rotates in same direction, and auxiliary flabellum one makes air flow to air outlet from air inlet, keeps the wind-force for flowing out air outlet bigger；Motor is anti-
When turning, it, which is rotated backward, makes air flow to air inlet from air outlet, and the dust on air cleaner is removed.
In above-mentioned air-conditioning draught fan, the vane nose of the flabellum two is installed with magnetic block one, surround on the air duct
The flabellum two is installed with magnetic block two, the magnetic block one and magnetic block 211 correspondence and attracts each other.One He of magnetic block
The setting of magnetic block two makes flabellum two will receive traction and tend to static, and the driving rotation of flabellum two needs to overcome certain resistance；
When motor rotates forward, flabellum two can be avoided by air flowing and the small friction effects of unilateral bearing and rotate, and avoid it
Rotate the outlet air efficiency for generating on the air in air duct and disturbing and influence flabellum one.
In above-mentioned air-conditioning draught fan, the vane nose of the flabellum one is also installed with above-mentioned magnetic block one, the air duct
It is upper to be installed with above-mentioned magnetic block two around the flabellum one.Similarly, also avoid in this way flabellum one rotated in motor reversal and
Influence the air of reverse flow.
In above-mentioned air-conditioning draught fan, with the gap of 1~3cm, institute between the flabellum one and the side wall in the air duct
State the gap between flabellum one and the flabellum two with 3~10cm.In this way, air can be directly from outlet air when motor reversal
Mouth reaches flabellum two by gap, and without passing through flabellum one, such air flowing is more smooth, and resistance is smaller, makes reversely to blow
Wind-force to air cleaner is bigger, and dust removing effects are more preferable, keeps air cleaner cleaner.
In above-mentioned air-conditioning draught fan, ventilation duct is additionally provided on the shell of the motor, one end of the ventilation duct is stretched out
The shell of the motor is outer and extends towards one side of flabellum, the other end protrude into the shell of the motor and with the motor
Inner cavity connection.Motor can generate heat at work, and excessively high temperature will affect the service life of motor, when motor rotates forward, flabellum
One rotation makes the pressure reduction in its axle center area, and air constantly enters in motor from ventilation opening flows into the axle center area of flabellum one simultaneously again
Heat in motor is taken away, has the function that cooling.
Compared with prior art, the invention has the following advantages that
1, the present invention can change the flow direction of air by the rotation direction of motor, enable air to from outlet
Mouth is flowed to air inlet direction, so that the dust being adsorbed on air cleaner be blown away, so that air cleaner is kept cleaning, is prolonged
The service life of air cleaner is grown.
2, the present invention is simple and compact for structure using motor, flabellum one and the coaxially connected design of flabellum two, without increasing volume
Outer driving device, production cost is low, easy for installation.
3, the dedusting of air cleaner can be completed in the movement that the present invention need to only control motor, without unpicking and washing, operation letter
Folk prescription is just.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment one；
Fig. 2 is the top view of embodiment one；
Fig. 3 is the enlarged drawing in the portion A in Fig. 1；
Fig. 4 is the structural schematic diagram of embodiment two；
Fig. 5 is the structural schematic diagram of embodiment three.
In figure, 1, motor；11, main shaft；2, flabellum one；3, flabellum two；4, air duct 41, air inlet；42, air outlet；43, pacify
Tankage；5, unilateral bearing one；6, unilateral bearing two；7, ventilation duct；8, air cleaner；91, magnetic block one；92, magnetic block two.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment one
This air-conditioning draught fan includes air duct 4, motor 1, flabellum 1 and flabellum 23.As shown in Figure 1, air duct 4 includes mutually hanging down
The air inlet 41 and air outlet 42 being directly arranged, the interior end face with 42 face of air outlet in air duct 4 are provided with the installation for installing motor 1
Slot 43, motor 1 are fixed by bolts in mounting groove 43, and flabellum 1 and flabellum 23 are located in air duct 4 and pacify with being arranged successively
On main shaft 11 loaded on motor 1.Motor 1 be can clockwise and anticlockwise motor, flabellum 1 be centrifugal fan flabellum, flabellum 23 be axis stream
Electric fan, the air inlet direction of flabellum 1 and the axial face and air-out direction and 42 face of air outlet of flabellum 23.Such as Fig. 3 institute
Show, wherein flabellum 1 and flabellum 23 are respectively by unilateral bearing 1 and unilateral bearing 26 come, list coaxially connected with main shaft 11
To the locking direction of bearing 1 and unilateral bearing 26 on the contrary, main shaft 11 can pass through unilateral bearing one when motor 1 rotates forward in this way
5 drive flabellum 1 to rotate, and flabellum 23 is slided relative to unilateral bearing 26 without rotating, and enable air to flow from air inlet 41
To air outlet 42, when motor 1 inverts, flabellum 1 and the opposite sliding of unilateral bearing 1 are without rotation, and flabellum 23 is by one-way shaft
It holds 26 drivings and rotates, air is blowed to air inlet 41 from air outlet 42 by flabellum 23, makes the ash being adsorbed on air cleaner 8
Dirt is discharged with air from air inlet 41.
Between flabellum 1 and the side wall in air duct 4 with 2~5cm gap, between flabellum 1 and flabellum 23 have 3~
The gap of 10cm, flabellum 23 close to air inlet 41 and with 41 face of air inlet, such motor 1 is driven reverse flabellum 23 and works
When, air can be directly over these gaps without flabellum 1 from air outlet 42 and reach flabellum 23, make air in flabellum
Circulation between 23 and air inlet 41 is more unobstructed, then passes through the push of flabellum 23 again, directly blows to and be set to air inlet 41
Air cleaner 8.
As shown in Fig. 2, the blade quantity of flabellum 23 is two panels, the axial area of such flabellum 23 is smaller, motor 1 just
When turning, the resistance of 23 pairs of air that flabellum 1 is flowed to from air inlet 41 of flabellum is smaller.
Further, as shown in Fig. 2, 1 bottom of motor for being located at one 2 lower section of flabellum is additionally provided with ventilation duct 7, ventilation duct 7
One end is stretched out outside the shell of motor 1 and is extended towards one 2 side of flabellum, and the other end protrudes into the shell of motor 1 to be connected with 1 inner cavity of motor
It is logical.When motor 1 rotates forward, the axle center area air pressure of flabellum 1 can be reduced, and partial air can enter the inner cavity of motor 1 from ventilation duct 8,
Enter the axle center area of flabellum 1 from the front end of motor 1 again, while air can take away the heat in motor 1, play radiating and cooling
Effect.
Embodiment two
As shown in figure 4, the technical solution of the present embodiment and the technical solution of embodiment one are essentially identical, difference exists
In the blade of flabellum 1 and flabellum 23 is installed with magnetic block 1,4 side of air duct far from one end of main shaft 11 in the present embodiment
Also the magnetic block 2 92 around flabellum 1 and flabellum 23 is installed on wall respectively.Magnetic block 1 and magnetic block 2 92 are mutually inhaled
Draw, the starting of flabellum 1 and flabellum 23 is made to be required to certain driving force, it is avoided to rotate in the case where not needing rotation.
Embodiment three
As shown in figure 5, the technical solution of the present embodiment and the technical solution of embodiment one are essentially identical, difference exists
In the flabellum 23 in the present embodiment is directly fixedly connected with main shaft 11, and flabellum 23 is using similar Patent No.
The two-way fan blade of CN200320102313.5, when motor 1 rotates forward, flabellum 1 and flabellum 23 rotate in same direction simultaneously, fan
Air outside air inlet 41 can be blowed to the axial direction of flabellum 1 by leaf 23, improve the rate that air enters flabellum 1, into
And the wind-force of the blowout of flabellum 1 is promoted, when motor 1 inverts, flabellum 1 is not rotated, and the reversion of flabellum 23 makes air from outlet air
Mouth 42 flows to air inlet 41, to remove the dust on air cleaner 8.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although motor 1, main shaft 11, flabellum 1, flabellum 23, unilateral bearing 1, unilateral bearing is used more herein
26 equal terms, but it does not exclude the possibility of using other terms.The use of these items is only for more easily describing and
Explain essence of the invention；Being construed as any additional limitation is disagreed with spirit of that invention.
Claims (9)
1. a kind of air-conditioning draught fan, including air duct (4), motor (1), flabellum one (2) and flabellum two (3), the air duct (4) include into
Air port (41) and air outlet (42), the flabellum one (2) are centrifugal fan flabellum, and the flabellum two (3) is Axial-flow Fan,
The flabellum one (2) and flabellum two (3) are respectively positioned in air duct (4) and connect with the main shaft (11) of the motor (1), and feature exists
In, the motor (1) be can clockwise and anticlockwise motor, the flabellum one (2) connect by unilateral bearing one (5) with main shaft (11).
2. air-conditioning draught fan according to claim 1, which is characterized in that the flabellum one (2) is located at the motor (1) and fan
Between leaf two (3), the flabellum two (3) be located on the main shaft (11) close to the air inlet (41) side and with it is described into
Air port (41) face.
3. air-conditioning draught fan according to claim 2, which is characterized in that the flabellum two (3) by unilateral bearing two (6) with
The locking direction of main shaft (11) connection, the unilateral bearing one (5) and unilateral bearing two (6) is opposite.
4. air-conditioning draught fan according to claim 3, which is characterized in that the blade quantity of the flabellum two (3) is two.
5. air-conditioning draught fan according to claim 2, which is characterized in that the flabellum two (3) is two-way fan blade, described
Flabellum two (3) is fixedly connected with the main shaft (11).
6. air-conditioning draught fan according to claim 3, which is characterized in that far from main shaft on the blade of the flabellum two (3)
(11) one end is installed with magnetic block one (91), surround the flabellum two (3) on the side wall of the air duct (4) and is installed with magnetic block
Two (92), the magnetic block one (91) and magnetic block two (92) are corresponded and are attracted each other.
7. air-conditioning draught fan according to claim 6, which is characterized in that far from main shaft on the blade of the flabellum one (2)
(11) one end is also installed with above-mentioned magnetic block one (91), is installed on the side wall of the air duct (4) around the flabellum one (2)
Above-mentioned magnetic block two (92).
8. air-conditioning draught fan according to claim 6, which is characterized in that the side wall of the flabellum one (2) and the air duct (4)
Between with 1~3cm gap, between the flabellum one (2) and the flabellum two (3) have 3~10cm gap.
9. air-conditioning draught fan according to claim 6, which is characterized in that be additionally provided with ventilation duct on the shell of the motor (1)
(7), one end of the ventilation duct (7) is stretched out outside the shell of the motor (1) and is extended towards flabellum one (2) side, another
End is protruded into the shell of the motor (1) and is connected to the inner cavity of the motor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710883738.0A CN107725427B (en) | 2017-09-26 | 2017-09-26 | A kind of air-conditioning draught fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710883738.0A CN107725427B (en) | 2017-09-26 | 2017-09-26 | A kind of air-conditioning draught fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107725427A CN107725427A (en) | 2018-02-23 |
| CN107725427B true CN107725427B (en) | 2019-09-10 |
Family
ID=61208041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710883738.0A Active CN107725427B (en) | 2017-09-26 | 2017-09-26 | A kind of air-conditioning draught fan |
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| Country | Link |
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| CN (1) | CN107725427B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155105A (en) * | 2021-05-08 | 2021-07-23 | 刘红广 | Novel hydrology data acquisition and storage device |
| CN113756070A (en) * | 2021-08-26 | 2021-12-07 | 浙江慧升热能科技有限公司 | High-temperature-resistant heat pump clothes dryer with clothes protection function |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4679387B2 (en) * | 2006-02-17 | 2011-04-27 | 三菱電機株式会社 | Blower |
| CN203604220U (en) * | 2013-12-01 | 2014-05-21 | 江苏苏亚机电制造有限公司 | Combined draught fan |
| US9903381B2 (en) * | 2015-02-13 | 2018-02-27 | Delta Electronics, Inc. | System and method for controlling forward/reverse rotation of fan |
| CN105987018A (en) * | 2015-02-28 | 2016-10-05 | 程相杰 | Centrifugal fan with multiple groups of fan blades |
| CN205677861U (en) * | 2016-06-14 | 2016-11-09 | 张煜东 | A kind of multi-functional electric fan |
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2017
- 2017-09-26 CN CN201710883738.0A patent/CN107725427B/en active Active
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| CN107725427A (en) | 2018-02-23 |
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Effective date of registration: 20220323 Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: Zhejiang liankong Technology Co., Ltd Address before: 315336 818 Binhai two road, Hangzhou Bay New District, Ningbo, Zhejiang Patentee before: GEELY AUTOMOBILE RESEARCH INSTITUTE (NINGBO) Co.,Ltd. Patentee before: Zhejiang Geely Holding Group Co., Ltd |
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