CN217462603U - High-energy-efficiency alternating-current electric fan - Google Patents
High-energy-efficiency alternating-current electric fan Download PDFInfo
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- CN217462603U CN217462603U CN202220371847.0U CN202220371847U CN217462603U CN 217462603 U CN217462603 U CN 217462603U CN 202220371847 U CN202220371847 U CN 202220371847U CN 217462603 U CN217462603 U CN 217462603U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
Abstract
The utility model provides an energy-efficient alternating current fan belongs to fan technical field. The problem that a fan is easily influenced by air volume and air speed in the operation process and the working efficiency is not high is solved. This high-energy-efficiency alternating current fan includes fan casing, the bracing piece, including a motor, an end cap, a controller, and a cover plate, the pivot, the impeller, blade and wind-guiding structure, above-mentioned bracing piece links firmly with fan casing, above-mentioned motor is connected with fan casing through the bracing piece, the one end of above-mentioned pivot is connected on the motor, the other end is connected on the impeller, above-mentioned blade links firmly with the impeller, be provided with wind-guiding structure between above-mentioned motor and the impeller, above-mentioned wind-guiding structure includes wind-guiding circle and diffusion portion, above-mentioned pivot is worn to establish on the wind-guiding circle, above-mentioned diffusion portion is connected between wind-guiding circle and fan casing, the wind-guiding circle, diffusion portion and fan casing three pass through bolted connection, application wind-guiding structure makes the fan can high-efficient stable air-out, and work efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of the fan, a high energy efficiency alternating current fan is related to.
Background
The axial flow fan is named after the working principle that fluid flows into the impeller from the axial direction and flows out from the impeller along the axial direction, is a fan with large flow and small pressure, and is suitable for ventilation of factories, ventilation of tunnels, heat dissipation of air conditioners and the like.
Chinese patent publication No. CN208966643U discloses an axial flow fan with an air guide mechanism, which includes a fan casing, wherein a plurality of air deflectors are disposed on an end surface of the fan casing at intervals up and down, pin shafts are disposed at both ends of the air deflectors, the fan casing is slidably connected to the pin shafts, transmission wheels are disposed on the pin shafts of the air deflectors, the transmission wheels are connected to each other through a transmission chain, a driving wheel is disposed on one of the pin shafts, a driving motor is disposed on the fan casing, a driving wheel is disposed on an output shaft of the driving motor, the driving wheel is in transmission connection with the driving wheel, and the driving motor drives the driving wheel to rotate, so as to drive the air deflectors to rotate. The utility model provides an air deflector structure utilizes this structure, can change the direction that blows to can change the direction of wind according to actual need, satisfy user's user demand.
The axial fan that is provided with air guide mechanism that above-mentioned patent related to provides an aviation baffle structure, utilizes this structure, can change the direction that blows to can change the direction of wind according to actual need, satisfy user's user demand, but the fan receives the influence of wind volume and wind speed easily, has the not high this problem of work efficiency of fan.
Disclosure of Invention
The utility model aims at the above-mentioned problem that prior art exists, provide a job stabilization's high energy efficiency alternating current fan.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides a high-energy-efficiency alternating current fan, which comprises a fan shell, the bracing piece, including a motor, an end cap, a controller, and a cover plate, the pivot, the impeller, blade and wind-guiding structure, above-mentioned bracing piece links firmly with the fan shell, above-mentioned motor is connected with the fan shell through the bracing piece, the one end of above-mentioned pivot is connected on the motor, the other end is connected on the impeller, above-mentioned blade links firmly with the impeller, its characterized in that, be provided with wind-guiding structure between above-mentioned motor and the impeller, above-mentioned wind-guiding structure includes wind-guiding circle and diffusion portion, above-mentioned pivot is worn to establish on the wind-guiding circle, above-mentioned diffusion portion is connected between wind-guiding circle and fan shell, wind-guiding circle, diffusion portion and fan shell three pass through bolted connection.
The bracing piece is the metal material, and above-mentioned bracing piece divide into bracing piece one and bracing piece two, and the one end of above-mentioned bracing piece one links firmly on the fan casing, and the other end is connected on the motor, and the one end of above-mentioned bracing piece two links firmly on the fan casing, and the other end is connected on the motor.
The wind guide ring is positioned at the outlet flow channel at the rear part of the impeller, the kinetic energy of the airflow at the outlet at the rear part of the impeller can be converted into pressure energy, and the pressure loss caused by dynamic pressure can be reduced through the diffusion effect of the outlet, so that the efficiency of the wind guide ring of the fan is improved.
The diffuser can reduce the velocity of flow of air current, further can reduce the noise that the air current clashed the stator and produced.
Therefore, the high-energy-efficiency alternating current fan can effectively play a role in high efficiency and energy saving under the action of the air guide ring and the diffuser. Meanwhile, the air guide ring, the diffusion part and the fan shell can be stably and fixedly connected together through bolts.
In the energy-efficient alternating current fan, the impeller is cylindrical, the bottom of the impeller is connected to the rotating shaft, and the end part of the impeller is fixedly connected with the blade.
The caliber of the bottom of the impeller is just matched with the size of the rotating shaft, the impeller is tightly connected with the rotating shaft, and the impeller can rotate along with the rotation of the rotating shaft.
In the energy-efficient alternating current fan, the number of the blades is four.
The air volume and the air pressure provided by the four blades are stable, and the suitable workplaces are wide.
In the energy-efficient alternating current fan, the impeller and the blades are of an integrated structure.
The impeller and the blades are of an integrated structure, and the impeller and the blades are convenient to install and replace.
In the energy-efficient alternating current fan, the air guide ring is an annular cylinder, and a convex connecting cylinder is arranged at the inner port of the air guide ring.
The inner diameter of the air guide ring is just matched with the size of the rotating shaft, the connecting cylinder increases the contact area between the air guide ring and the rotating shaft, the friction force between the air guide ring and the rotating shaft is increased, and the connection stability is improved.
In the energy-efficient alternating current fan, the connecting cylinder and the air guide ring are of an integrated structure.
The connecting cylinder and the air guide ring are of an integrated structure, so that the connection stability between the air guide ring and the rotating shaft can be improved.
In the energy-efficient alternating current fan, the diffuser is an annular ring.
The inner diameter of the diffuser is the same as the outer diameter of the air guide ring, the outer diameter of the diffuser is the same as the inner diameter of the fan shell, and the diffuser can be located between the air guide ring and the fan shell.
In the energy-efficient alternating current fan, the diffuser is provided with a plurality of through holes.
A through hole is formed between the outer port and the inner port of the diffuser and perpendicular to the direction of the diffuser port.
In the energy-efficient alternating current fan, the through holes are uniformly and equidistantly distributed in the circumferential direction of the diffuser.
The through holes are uniformly and equidistantly distributed in the circumferential direction, so that the connection stability of the diffusion part can be improved.
In the energy-efficient alternating current fan, the through hole is provided with a bolt, and the bolt fixes the air guide ring and the diffusion part on the fan shell.
The bolt penetrates through the through hole to connect the air guide ring, the diffusion part and the fan shell together.
Compared with the prior art, the air guide structure is arranged between the motor and the impeller in the high-energy-efficiency alternating current fan, the air guide ring in the air guide structure can control the air speed of the cross section of the outlet of the fan, the diffusion part can improve the flowing efficiency of fluid, the assembling process of the whole air guide structure is simple and convenient, and the connection stability is strong. Therefore, the high-energy-efficiency alternating current fan is efficient and energy-saving, and is simple and convenient to assemble.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of the energy-efficient ac fan.
Fig. 2 is a schematic structural view of the energy efficient ac fan.
In the figure, 1, a fan casing; 2. a support bar; 3. a motor; 4. a rotating shaft; 5. an impeller; 6. a blade; 7. a wind guide ring; 8. a diffuser; 9. a through hole; 10. a bolt; 11. a first supporting rod; 12. a second supporting rod; 13. a connecting cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 and 2, the high-energy efficient ac electric fan includes a fan casing 1, a support rod 2, a motor 3, a rotating shaft 4, an impeller 5, a blade 6 and an air guiding structure, wherein the support rod 2 is fixedly connected with the fan casing 1, the motor 3 is connected with the fan casing 1 through the support rod 2, one end of the rotating shaft 4 is connected to the motor 3, the other end of the rotating shaft 4 is connected to the impeller 5, and the blade 6 is fixedly connected with the impeller 5, and is characterized in that the air guiding structure is arranged between the motor 3 and the impeller 5, the air guiding structure includes an air guiding ring 7 and a diffuser 8, the rotating shaft 4 is arranged on the air guiding ring 7 in a penetrating manner, the diffuser 8 is connected between the air guiding ring 7 and the fan casing 1, and the air guiding ring 7, the diffuser 8 and the fan casing 1 are connected through bolts 10.
The support rod 2 is made of metal, the support rod 2 is divided into a first support rod 11 and a second support rod 12, one end of the first support rod 11 is fixedly connected to the fan shell 1, the other end of the first support rod is connected to the motor 3, one end of the second support rod 12 is fixedly connected to the fan shell 1, and the other end of the second support rod is connected to the motor 3.
The impeller 5 is cylindrical, the bottom of the impeller 5 is connected to the rotating shaft 4, the end part of the impeller 5 is fixedly connected with the blades 6, and the impeller 5 can rotate along with the rotation of the rotating shaft 4.
The number of the blades 6 is four.
The impeller 5 and the blades 6 are of an integrated structure.
The air guide ring 7 is an annular cylinder, and a convex connecting cylinder 13 is arranged at the inner port of the air guide ring 7.
The connecting cylinder 13 and the air guide ring 7 are of an integrated structure.
The diffuser 8 is an annular ring.
The inner diameter size of the diffuser 8 is matched with the outer diameter size of the air guide ring 7, and the outer diameter size of the diffuser 8 is matched with the inner diameter size of the fan shell 1.
The diffuser 8 is provided with a plurality of through holes 9.
A through hole 9 is arranged between the outer port and the inner port of the diffuser 8, and the through hole 9 is perpendicular to the direction of the diffuser 8.
The through holes 9 are arranged uniformly and equidistantly in the circumferential direction of the diffuser 8.
The through hole 9 is provided with a bolt 10, and the bolt 10 fixes the air guide ring 7 and the diffusion part 8 on the fan shell 1.
The bolt 10 penetrates through the through hole 9 to connect the air guide ring 7, the diffusion part 8 and the fan shell 1 together.
This high-energy-efficiency alternating current fan sets up the wind-guiding structure through setting up between motor and impeller, and the wind-guiding circle can control the wind speed of fan export cross section, and diffusion portion can improve fluidic flow efficiency to the wind-guiding structure simple installation, connection stability is strong, has improved the work efficiency of fan, reaches energy-efficient purpose.
Chinese patent publication No. CN112032110A provides an air guide ring of an axial flow fan, which has an air guide duct and a diffuser.
The air guide ring comprises an air guide cylinder, a diffusion part, guide vanes and a protective net, wherein the air guide ring is roughly structurally the air guide cylinder, one end of the air guide cylinder outwards extends a plurality of guide vanes and is uniformly distributed in the air guide cylinder along the circumferential direction, each guide vane comprises a first end part, a second end part, a front edge and a tail edge, the first end part is fixed on the inner wall of the air guide cylinder, the second end part is opposite to the first end part, the front edge deviates from the direction of an opening of the diffusion part, the tail edge faces the direction of the opening of the diffusion part, the face of each guide vane faces the diffusion part is a pressure face, the face deviating from the diffusion part is a suction face, the protective net comprises a plurality of spliced rings distributed in the radial direction of the air guide cylinder, and the roughly structure of the diffusion part outwards extends one end of the air guide cylinder.
The structure and the function of the air duct in the patent are the same as those of the air guide ring in the patent, and the structure and the function of the diffuser in the patent are the same as those of the diffuser in the patent.
Specifically, the method comprises the following steps: the wind-guiding circle is used for recovering kinetic energy to increase static pressure and efficiency of the axial flow fan, can also be used for reducing the flow velocity of airflow and reducing noise generated by the airflow impacting the guide vane and the protective net.
The diffuser functions to reduce the flow rate of the gas stream.
The structure of the air guide ring and the diffuser in the embodiment is the same as that of the air guide ring and the diffuser, and the technical problem to be solved in the application is how to simply and stably connect the fan shell, the air guide ring and the diffuser, so the structure of the air guide ring and the diffuser is not repeated in the embodiment.
The features of the above-described embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above-described embodiments are not described, but should be construed as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the features.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.
Claims (10)
1. The high-energy-efficiency alternating current fan is characterized in that a wind guide structure is arranged between the motor and the impeller, the wind guide structure comprises a wind guide ring and a diffusion part, the rotating shaft is arranged on the wind guide ring in a penetrating mode, the diffusion part is connected between the wind guide ring and the fan shell, and the wind guide ring, the diffusion part and the fan shell are connected through bolts.
2. The efficient ac electric fan of claim 1, wherein the impeller is cylindrical, the bottom of the impeller is connected to the shaft, and the end of the impeller is fixedly connected to the blades.
3. The energy efficient ac electric fan of claim 2, wherein the number of blades is four.
4. The energy efficient ac electric fan of claim 3, wherein the impeller and blades are of a unitary construction.
5. The efficient ac electric fan of claim 1, wherein the wind-guiding ring is an annular cylinder, and a protruding connecting cylinder is provided at an inner port of the wind-guiding ring.
6. The efficient ac electric fan of claim 5, wherein the connecting cylinder and the air guide ring are of a unitary construction.
7. The energy efficient ac electric fan of claim 6, wherein the diffuser is an annular ring.
8. The efficient ac electric fan according to claim 7, wherein the diffuser is provided with a plurality of through holes.
9. The energy efficient ac electric fan of claim 8, wherein the through holes are uniformly and equidistantly arranged in a circumferential direction of the diffuser portion.
10. The energy efficient ac electric fan of claim 9, wherein a bolt is disposed at the through hole, the bolt securing the wind-guiding ring and diffuser to the fan housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220371847.0U CN217462603U (en) | 2022-02-23 | 2022-02-23 | High-energy-efficiency alternating-current electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220371847.0U CN217462603U (en) | 2022-02-23 | 2022-02-23 | High-energy-efficiency alternating-current electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217462603U true CN217462603U (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220371847.0U Active CN217462603U (en) | 2022-02-23 | 2022-02-23 | High-energy-efficiency alternating-current electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217462603U (en) |
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- 2022-02-23 CN CN202220371847.0U patent/CN217462603U/en active Active
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