CN212744495U - Novel energy-saving centrifugal fan - Google Patents
Novel energy-saving centrifugal fan Download PDFInfo
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- CN212744495U CN212744495U CN202021679094.7U CN202021679094U CN212744495U CN 212744495 U CN212744495 U CN 212744495U CN 202021679094 U CN202021679094 U CN 202021679094U CN 212744495 U CN212744495 U CN 212744495U
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- fan
- novel energy
- baffle
- speed regulating
- air inlet
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Abstract
The utility model provides a novel energy-conserving centrifugal fan, which comprises a supporting pedestal and is characterized by further comprising, support the fixed fan casing that sets up on the base, fan casing top is equipped with the air outlet, fan casing left surface is equipped with the air intake, the air intake is equipped with the filtration stratum reticulare, the fixed wind scooper that sets up of fan casing inner chamber, wind scooper one end and air intake fixed connection, other end fixed connection baffle, the baffle is equipped with a plurality of through-holes, fan casing right flank normal running fit axis of rotation, axis of rotation one end fixed connection impeller, other end fixed connection buncher, a set of arc flabellum of impeller. By the airflow separation effect of the wind scooper and the baffle, the leakage resistance of the gas passing through the through hole is increased, and the gas leakage loss is reduced; the controller is matched with the speed regulating switch, and the speed regulating switch can regulate the working power of the machine body according to the actual working condition, so that the energy consumption and the production cost are reduced; the speed regulating motor can be disassembled, so that the occupied space of the whole machine is greatly reduced.
Description
Technical Field
The utility model relates to a fan technical field specifically is a novel energy-conserving centrifugal fan.
Background
The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.
However, in the existing centrifuge, because the air inlet is communicated with the inner cavity of the shell, when the motor drives the fan blades to transmit wind power to the air outlet, if the wind power cannot be absorbed by the air outlet in time, the wind power easily flows out of the air inlet, so that resource waste is caused; the whole machine occupies a large space.
SUMMERY OF THE UTILITY MODEL
To the problem pointed out in the background art, the utility model provides a novel energy-conserving centrifugal fan.
The technical scheme of the utility model is realized like this:
the utility model provides a novel energy-conserving centrifugal fan which characterized in that: the novel fan is characterized by comprising a supporting base, a fan shell is fixedly arranged on the supporting base, an air outlet is formed in the top of the fan shell, an air inlet is formed in the left side face of the fan shell, a filter screen layer is arranged on the air inlet, an air guide cover is fixedly arranged in the inner cavity of the fan shell, one end of the air guide cover is fixedly connected with the air inlet, the other end of the air guide cover is fixedly connected with a baffle, the baffle is provided with a plurality of through holes, the air guide cover and the baffle divide the inner cavity of the fan shell into an air inlet chamber and an air outlet chamber, the right side face of the fan shell is in running fit with a rotating shaft on the right side face of the fan shell, one end of the rotating shaft is fixedly.
The utility model discloses further set up to: the diameters of the through holes are sequentially reduced from the air inlet chamber to the air outlet chamber.
The utility model discloses further set up to: the through holes are distributed on the baffle in a honeycomb shape.
The utility model discloses further set up to: the rotating shaft is fixedly connected with the speed regulating motor through the coupler, the speed regulating motor is electrically connected with the controller, and the controller is provided with a power indicator lamp and a starting switch.
The utility model discloses further set up to: the fan shell right flank is through the articulated cooperation supporting box of the first articulated elements that sets up, the supporting box with the cooperation of buncher butt, fan shell top be equipped with the articulated complex second articulated elements of supporting box, be equipped with the locker room in the supporting box.
The utility model discloses further set up to: the rotating shaft is in running fit with the fan shell through a first bearing, the rotating shaft is in running fit with a fixing frame, the fixing frame is fixedly arranged in the fan shell, and the rotating shaft is in running fit with the fixing frame through a second bearing.
The utility model discloses further set up to: the air inlet is provided with internal threads, and the air inlet is in threaded fit with the filter screen layer.
To sum up, the beneficial effects of the utility model are that: the novel energy-saving centrifugal fan provided by the utility model has the advantages that the leakage resistance of gas passing through the through hole is increased and the gas leakage loss is reduced by the airflow separation effect of the wind scooper and the baffle plate; the controller is matched with the speed regulating switch, and the speed regulating switch can regulate the working power of the machine body according to the actual working condition, so that the energy consumption and the production cost are reduced; the speed regulating motor can be disassembled, so that the occupied space of the whole machine is greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural view of the present invention during operation;
FIG. 2 is a schematic structural view of the present invention when not in operation;
fig. 3 is a schematic view of the connection between the middle impeller and the arc-shaped fan blade of the present invention.
Reference numerals: 1. a support base; 2. a fan housing; 3. an air outlet; 4. an air inlet; 5. a filter screen layer; 6. a wind scooper; 7. a baffle plate; 8. a through hole; 9. an air inlet chamber; 10. an air outlet chamber; 11. a rotating shaft; 12. an impeller; 13. a speed-regulating motor; 14. arc-shaped fan blades; 15. a coupling; 16. a first hinge member; 17. supporting the box body; 18. a second hinge member; 19. a first bearing; 20. a fixed mount; 21. a second bearing.
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 efforts belong to the protection scope of the present invention.
The present invention is described below with reference to fig. 1-3:
the utility model provides a novel energy-conserving centrifugal fan, is including supporting base 1, supports and fixedly sets up fan casing 2 on the base 1, and 2 tops of fan casing are equipped with air outlet 3, and 2 left surfaces of fan casing are equipped with air intake 4, and air intake 4 is equipped with filter screen layer 5, and wherein air intake 4 is equipped with the internal thread, air intake 4 and 5 screw-thread fit of filter screen layer. As an optimal structure, an air guide cover 6 is fixedly arranged in the inner cavity of the fan shell 2, one end of the air guide cover 6 is fixedly connected with the air inlet 4, the other end of the air guide cover 6 is fixedly connected with a baffle 7, the baffle 7 is provided with a plurality of through holes 8, and the inner cavity of the fan shell 2 is divided into an air inlet chamber 9 and an air outlet chamber 10 by the air guide cover 6 and the baffle 7. Further, the diameters of the through holes 8 in the direction from the air inlet chamber 9 to the air outlet chamber 10 are sequentially reduced, and the through holes 8 are distributed on the baffle 7 in a honeycomb shape.
The right side surface of the fan shell 2 is in running fit with a rotating shaft 11 penetrating through the right side surface of the fan shell 2, one end of the rotating shaft 11 is fixedly connected with an impeller 12, the impeller 12 is positioned in the air outlet chamber 10, and the impeller 12 is fixedly connected with a group of arc-shaped fan blades 14; the other end of the rotating shaft 11 is fixedly connected with the speed regulating motor 13, specifically, the rotating shaft 11 is fixedly connected with the speed regulating motor 13 through the arranged coupler 15, the speed regulating motor 13 can be detached, the speed regulating motor 13 is electrically connected with the controller, and the controller is provided with a power indicator lamp and a starting switch.
In order to fixedly support the adjustable speed motor 13, a supporting box body 17 is hinged and matched with the right side face of the fan shell 2 through a first hinge piece 16, the supporting box body 17 supports the adjustable speed motor 13, a second hinge piece 18 which is hinged and matched with the supporting box body 17 is arranged at the top of the fan shell 2, a storage chamber is arranged in the supporting box body 17, and the adjustable speed motor 13 can be stored in the storage chamber.
Furthermore, the rotating shaft 11 is in running fit with the fan shell 2 through the arranged first bearing 19, the rotating shaft 11 is in running fit with the fixing frame 20, the fixing frame 20 is fixedly arranged in the fan shell 2, and the rotating shaft 11 is in running fit with the fixing frame 20 through the arranged second bearing 21, so that the rotation of the impeller 12 is better stabilized, and the stable work of the centrifugal fan is ensured.
The working process of the present invention will be further described below:
when the fan is used, the supporting box body 17 at the top of the fan shell 2 is taken down and sleeved on the first hinged part, and is connected with the speed regulating motor 13 through the coupler 15; subsequently, the speed regulating motor 13 is controlled to start working through the controller, the working power of the speed regulating motor 13 is controlled by controlling a speed regulating switch according to the actual working condition, meanwhile, the speed regulating motor 13 drives the impeller 12 to rotate through the rotating shaft 11, and then the impeller 12 drives the arc-shaped fan blades 14 around the outer side of the impeller 12 to rotate, so that the working state of improving the gas pressure and discharging gas is achieved, the gas enters the baffle 7 from the air inlet 4 and the through hole 8 under the driving of the impeller 12 and then is discharged from the air outlet 3, in addition, the inner cavity is divided into the air inlet chamber 9 and the air outlet chamber 10 through the matching of the air guide cover 6 and the baffle 7, and the leakage loss of the gas is reduced due to the increase of the leakage resistance of.
When the fan is not used, the speed regulating motor 13 is taken down and placed in the storage chamber of the supporting box body 17, the supporting box body 17 is taken down and sleeved on the second hinged part and placed at the top of the fan shell 2, and therefore the occupied space of the whole structure is greatly reduced.
The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a novel energy-conserving centrifugal fan which characterized in that: the air conditioner is characterized by comprising a supporting base (1), a fan shell (2) is fixedly arranged on the supporting base (1), an air outlet (3) is formed in the top of the fan shell (2), an air inlet (4) is formed in the left side face of the fan shell (2), a filter screen layer (5) is arranged on the air inlet (4), an air guide cover (6) is fixedly arranged in the inner cavity of the fan shell (2), one end of the air guide cover (6) is fixedly connected with the air inlet (4), the other end of the air guide cover is fixedly connected with a baffle (7), the baffle (7) is provided with a plurality of through holes (8), the air guide cover (6) and the baffle (7) divide the inner cavity of the fan shell (2) into an air inlet chamber (9) and an air outlet chamber (10), the right side face of the fan shell (2) is in rotating fit with a rotating shaft (11) penetrating through the right side, the other end of the fan is fixedly connected with a speed regulating motor (13), the impeller (12) is positioned in the air outlet chamber (10), and the impeller (12) is fixedly connected with a group of arc-shaped fan blades (14).
2. The novel energy-saving centrifugal fan according to claim 1, characterized in that: the diameters of the through holes (8) are sequentially reduced from the air inlet chamber (9) to the air outlet chamber (10).
3. The novel energy-saving centrifugal fan according to claim 2, characterized in that: the through holes (8) are distributed on the baffle (7) in a honeycomb shape.
4. The novel energy-saving centrifugal fan according to claim 1, characterized in that: the rotating shaft (11) is fixedly connected with the speed regulating motor (13) through a coupler (15) which is arranged, the speed regulating motor (13) is electrically connected with the controller, and a power indicator lamp and a starting switch are arranged on the controller.
5. The novel energy-saving centrifugal fan according to claim 1, characterized in that: the right side face of the fan shell (2) is hinged and matched with a supporting box body (17) through a first hinge piece (16), the supporting box body (17) is in butt fit with the speed regulating motor (13), a second hinge piece (18) matched with the supporting box body (17) in a hinged mode is arranged at the top of the fan shell (2), and a storage chamber is arranged in the supporting box body (17).
6. The novel energy-saving centrifugal fan according to claim 1, characterized in that: the fan is characterized in that the rotating shaft (11) is in running fit with the fan shell (2) through a first bearing (19), the rotating shaft (11) is in running fit with a fixing frame (20), the fixing frame (20) is fixedly arranged in the fan shell (2), and the rotating shaft (11) is in running fit with the fixing frame (20) through a second bearing (21).
7. The novel energy-saving centrifugal fan according to claim 1, characterized in that: the air inlet (4) is provided with internal threads, and the air inlet (4) is in threaded fit with the filter screen layer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021679094.7U CN212744495U (en) | 2020-08-12 | 2020-08-12 | Novel energy-saving centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021679094.7U CN212744495U (en) | 2020-08-12 | 2020-08-12 | Novel energy-saving centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212744495U true CN212744495U (en) | 2021-03-19 |
Family
ID=74987744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021679094.7U Active CN212744495U (en) | 2020-08-12 | 2020-08-12 | Novel energy-saving centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212744495U (en) |
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2020
- 2020-08-12 CN CN202021679094.7U patent/CN212744495U/en active Active
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