CN205533359U - Ability noise reduction and counter -rotating fan structure of dispelling heat well - Google Patents
Ability noise reduction and counter -rotating fan structure of dispelling heat well Download PDFInfo
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- CN205533359U CN205533359U CN201620342681.4U CN201620342681U CN205533359U CN 205533359 U CN205533359 U CN 205533359U CN 201620342681 U CN201620342681 U CN 201620342681U CN 205533359 U CN205533359 U CN 205533359U
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- wind wheel
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- rotating fan
- louvre
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Abstract
The utility model discloses an ability noise reduction and counter -rotating fan structure of dispelling heat well, including the mainstream wind channel, the export rake, first wind wheel, first motor, axle between first wind wheel, axle between the second wind wheel, the second motor, the second wind wheel, the louvre, vacuum casting and counter -rotating fan body, the inside of counter -rotating fan body is equipped with first motor, the outside side of first motor is equipped with the louvre, the inside first wind wheel axle within a definite time that is equipped with of first wind wheel, the inside of second wind wheel is equipped with axle between the second wind wheel, the outside side of counter -rotating fan body is equipped with the vacuum casting, this kind of counter -rotating fan structure, through the vacuum casting setting up this whirlwind machine body outside, can show lands reduces the noise that counter -rotating fan produced, thereby the colliery production environment and the mining area people's physical and mental health has been guaranteed, through the louvre that is equipped with outside the motor, it is abundant to make motor heat dissipation, the radiating effect of motor has obviously been improved, the life of motor is greatly improved, and thus the maintenance cost is lowered.
Description
Technical field
This utility model relates to a kind of counter-rotating fan structure, a kind of can reduce noise and the counter-rotating fan structure dispelling the heat good.
Background technology
Counter-rotating fan is a kind of specific form of axial fan, and its front and back stages impeller is directly mounted at the axle head of two motors, is running wheel guide vane wheel the most each other, is formed on the contrary mutually rotation structure because turning to.Counter-rotating fan is because of its compact conformation, easy to install, and some advantages at pressure characteristic and inverted ventilation aspect of performance, is widely used at engineering fields such as mine ventilation, tunnel air exchanging and boiler drafts in recent years.
Mine ventilator is colliery big power consumer, and China's emphasis large coal mine main fan average current drain accounts for more than the 16% of full ore deposit total power consumption, part up to 20%-30%.China's mine ventilator overall energy consumption is significantly larger than western developed country.A big chunk main fan of mine ventilator, booster all use counter-rotating fan, but owing to technical research insufficient investment and the capability of independent innovation are more weak, a large amount of outmoded products are still running use, and new product rarely has again breakthrough.The main fan that China's current emphasis colliery uses has more than 5000 platforms, and average operating efficiency is less than 60%；Non-emphasis colliery has main fan about 20000, and average operating efficiency is less than 50%；It addition, total about 250,000 of the current quo of local Fan for Mine of China, average operating efficiency only has about 55%, and country is huge and urgent to the demand of efficient counter-rotating fan.
But, owing to China's mine ventilator design and power-saving technology level are relatively low, operating condition is severe, and flow separation is obvious, and flow field is more unreasonable, and energy is converted into noise greatly, has a strong impact on coal production environment and the physical and mental health of the mining area people.What is more important, owing to mine ventilator efficiency is low, draught capacity is not enough, mine safety accidents happens occasionally, bring about great losses to people's lives and properties, cover with shade for harmonious society and safety in production, and the motor radiating within counter-rotating fan is poor, be often easily caused motor overload, and burn out motor, thus increase maintenance cost.
Summary of the invention
The technical problems to be solved in the utility model is the defect overcoming prior art, it is provided that a kind of can reduce noise and the counter-rotating fan structure dispelling the heat good, can effectively solve the problem in background technology.
In order to solve above-mentioned technical problem, this utility model provides following technical scheme:
nullThis utility model is a kind of can reduce noise and the counter-rotating fan structure dispelling the heat good，Including main flow air channel、Outlet rake、First wind wheel、First motor、First wind wheel countershaft、Second wind wheel countershaft、Second motor、Second wind wheel、Louvre、Vacuum casting and counter-rotating fan body，The inside of described counter-rotating fan body is provided with described first motor，The outer avris of described first motor is provided with described louvre，The top of described first motor is provided with described main flow air channel，The side of described first motor is connected with described first wind wheel，Described first wind wheel countershaft it is provided with inside described first wind wheel，The side of described first wind wheel is provided with described second wind wheel，The inside of described second wind wheel is provided with described second wind wheel countershaft，The side of described second wind wheel is connected with described second motor，The top of described counter-rotating fan body is provided with described outlet rake，The outer avris of described counter-rotating fan body is provided with described vacuum casting.
As a kind of optimal technical scheme of the present utility model, the bottom of described counter-rotating fan body is provided with pressure regulator valve, and the bottom of described second wind wheel is provided with absorption flow and measures mouth, and the bottom of described vacuum casting is provided with support seat.
As a kind of optimal technical scheme of the present utility model, described first wind wheel is airfoil, and described second wind wheel is circular arc.
As a kind of optimal technical scheme of the present utility model, the size of described first wind wheel countershaft is than the long 50%-60% of size of described second wind wheel countershaft.
This utility model is reached to provide the benefit that: this kind can reduce noise and the counter-rotating fan structure dispelling the heat good, by at the vacuum casting that this cyclone cluster outer body is arranged, the noise that counter-rotating fan produces can be significantly decreased, thus ensure that coal production environment and the physical and mental health of the mining area people, by the louvre being provided with outside motor, make motor radiating abundant, significantly improve the radiating effect of motor, make bearing run up produce heat distribute in time, substantially increase the service life of motor, reduce maintenance cost.
Accompanying drawing explanation
Accompanying drawing is used for providing being further appreciated by of the present utility model, and constitutes a part for description, is used for explaining this utility model, is not intended that restriction of the present utility model together with embodiment of the present utility model.In the accompanying drawings:
Fig. 1 is a kind of schematic cross-section that can reduce noise and the counter-rotating fan structure of dispelling the heat good of this utility model；
Fig. 2 is a kind of structural representation that can reduce noise and the counter-rotating fan structure of dispelling the heat good of this utility model；
In figure: 1, main flow air channel；2, outlet rake；3, the first wind wheel；4, the first motor；5, the first wind wheel countershaft；6, the second wind wheel countershaft；7, the second motor；8, pressure regulator valve；9, absorption flow measures mouth；10, the second wind wheel；11, louvre；12, vacuum casting；13, counter-rotating fan body；14, seat is supported.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is illustrated, it will be appreciated that preferred embodiment described herein is merely to illustrate and explains this utility model, be not used to limit this utility model.
nullEmbodiment: as shown in Figure 1-2，This utility model is a kind of can reduce noise and the counter-rotating fan structure dispelling the heat good，Including main flow air channel 1、Outlet rake 2、First wind wheel 3、First motor 4、First wind wheel countershaft 5、Second wind wheel countershaft 6、Second motor 7、Second wind wheel 10、Louvre 11、Vacuum casting 12 and counter-rotating fan body 13，The inside of counter-rotating fan body 13 is provided with the first motor 4，The outer avris of the first motor 4 is provided with louvre 11，Make motor radiating abundant，Significantly improve the radiating effect of motor，Make bearing run up produce heat distribute in time，Substantially increase the service life of motor，Reduce maintenance cost，The top of the first motor 4 is provided with main flow air channel 1，The side of the first motor 4 is connected with the first wind wheel 3，First wind wheel 3 is internal is provided with the first wind wheel countershaft 5，The side of the first wind wheel 3 is provided with the second wind wheel 10，The inside of the second wind wheel 10 is provided with the second wind wheel countershaft 6，The side of the second wind wheel 10 is connected with the second motor 7，The top of counter-rotating fan body 13 is provided with outlet rake 2，The outer avris of counter-rotating fan body 13 is provided with vacuum casting 12，The noise that counter-rotating fan produces can be significantly decreased，Thus ensure that coal production environment and the physical and mental health of the mining area people.
The bottom of counter-rotating fan body 13 is provided with pressure regulator valve 8, the bottom of the second wind wheel 10 is provided with absorption flow and measures mouth 9, the bottom of vacuum casting 12 is provided with support seat 14, first wind wheel 3 is in airfoil, second wind wheel 10 is in circular arc, it is possible to significantly increasing the efficiency of counter-rotating fan, the size of the first wind wheel countershaft 5 is than the long 50%-60% of size of the second wind wheel countershaft 6, counter-rotating fan stable and reliable operation, the phenomenon reducing burn-down of electric motor greatly is allowed to occur.
Concrete, the heat that motor produces is by louvre 11, heat is distributed by the air-flow in main flow air channel 1, quickly motor can be lowered the temperature, the noise that counter-rotating fan produces in running, stopped well by vacuum casting 12, thus reduce the noise that machine produces in running, and the first wind wheel countershaft 5 is sized to the long 50%-60% of size than the second wind wheel countershaft 6, the operation of counter-rotating fan can be allowed more stable, thus be effectively reduced in running the noise produced and the load to motor.
This kind can reduce noise and the counter-rotating fan structure dispelling the heat good, by to the vacuum casting 12 arranged outside this cyclone cluster body 13, the noise that counter-rotating fan produces can be significantly decreased, thus ensure that coal production environment and the physical and mental health of the mining area people, by the louvre 11 being provided with outside motor, make motor radiating abundant, significantly improve the radiating effect of motor, make bearing run up produce heat distribute in time, substantially increase the service life of motor, reduce maintenance cost.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, it is not limited to this utility model, although this utility model being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
This patent is the achievement of National Nature fund " counter-rotating fan electromechanical coupling characteristics and Performance Match research " bullets 51275137.
Claims (4)
- null1. one kind can be reduced noise and the counter-rotating fan structure dispelling the heat good，It is characterized in that，Including main flow air channel (1)、Outlet rake (2)、First wind wheel (3)、First motor (4)、First wind wheel countershaft (5)、Second wind wheel countershaft (6)、Second motor (7)、Second wind wheel (10)、Louvre (11)、Vacuum casting (12) and counter-rotating fan body (13)，The inside of described counter-rotating fan body (13) is provided with described first motor (4)，The outer avris of described first motor (4) is provided with described louvre (11)，The top of described first motor (4) is provided with described main flow air channel (1)，The side of described first motor (4) is connected with described first wind wheel (3)，Described first wind wheel (3) is internal is provided with described first wind wheel countershaft (5)，The side of described first wind wheel (3) is provided with described second wind wheel (10)，The inside of described second wind wheel (10) is provided with described second wind wheel countershaft (6)，The side of described second wind wheel (10) is connected with described second motor (7)，The top of described counter-rotating fan body (13) is provided with described outlet rake (2)，The outer avris of described counter-rotating fan body (13) is provided with described vacuum casting (12).
- The most according to claim 1 a kind of can reduce noise and the counter-rotating fan structure dispelling the heat good, it is characterized in that, the bottom of described counter-rotating fan body (13) is provided with pressure regulator valve (8), the bottom of described second wind wheel (10) is provided with absorption flow and measures mouth (9), and the bottom of described vacuum casting (12) is provided with support seat (14).
- The most according to claim 1 a kind of can reduce noise and the counter-rotating fan structure dispelling the heat good, it is characterised in that described first wind wheel (3) is in airfoil, and described second wind wheel (10) is in circular arc.
- The most according to claim 1 a kind of can reduce noise and the counter-rotating fan structure dispelling the heat good, it is characterised in that the size of described first wind wheel countershaft (5) is than the long 50%-60% of size of described second wind wheel countershaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620342681.4U CN205533359U (en) | 2016-04-22 | 2016-04-22 | Ability noise reduction and counter -rotating fan structure of dispelling heat well |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620342681.4U CN205533359U (en) | 2016-04-22 | 2016-04-22 | Ability noise reduction and counter -rotating fan structure of dispelling heat well |
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| CN205533359U true CN205533359U (en) | 2016-08-31 |
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| CN201620342681.4U Expired - Fee Related CN205533359U (en) | 2016-04-22 | 2016-04-22 | Ability noise reduction and counter -rotating fan structure of dispelling heat well |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113729535A (en) * | 2020-05-27 | 2021-12-03 | 厦门优胜卫厨科技有限公司 | Drying device of electronic toilet |
-
2016
- 2016-04-22 CN CN201620342681.4U patent/CN205533359U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113729535A (en) * | 2020-05-27 | 2021-12-03 | 厦门优胜卫厨科技有限公司 | Drying device of electronic toilet |
| CN113729535B (en) * | 2020-05-27 | 2023-09-08 | 厦门优胜卫厨科技有限公司 | Drying device of electronic toilet |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170422 |
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| CF01 | Termination of patent right due to non-payment of annual fee |