CN217518930U - Fan hub ventilation structure and fan - Google Patents
Fan hub ventilation structure and fan Download PDFInfo
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- CN217518930U CN217518930U CN202221194249.7U CN202221194249U CN217518930U CN 217518930 U CN217518930 U CN 217518930U CN 202221194249 U CN202221194249 U CN 202221194249U CN 217518930 U CN217518930 U CN 217518930U
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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
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The application relates to the technical field of heat dissipation and ventilation devices, in particular to a fan hub ventilation structure. The application provides a fan hub ventilation structure, which comprises a fan box body, a temperature sensor, an exhaust pump and a control device; the fan box body is provided with an air inlet and an air outlet, and the air inlet is provided with an air inlet valve; the temperature sensor is connected in the fan box body; the temperature sensor, the air inlet valve and the exhaust pump are all electrically connected with the control device. The application provides a fan wheel hub ventilation structure, in the use, when temperature sensor senses that the temperature of fan box body surpasses preset temperature, temperature sensor gives controlling means with this information transfer, controlling means control admission valve and air discharge pump start, make the fan box body unblocked, make cold wind flow inside the air inlet inflow fan box body, cool down for its inside motor and fan wheel hub, avoid the damage that motor and fan wheel hub high temperature caused, service life has been prolonged effectively.
Description
Technical Field
The application relates to the technical field of heat dissipation and ventilation devices, in particular to a fan hub ventilation structure and a fan.
Background
In the operation process of the wind generating set, the cooling fan is used for reducing the internal temperature of the hub and ensuring normal operation of all components in the variable pitch system, and the cooling fan always works all day long. Due to long-time operation, the original cooling fan can generate a large amount of heat when running, and is accumulated in a closed narrow space, the temperature of a pitch-controlled running environment is high as long as time passes, the over-temperature phenomenon is common, the temperature of a cooling fan body is high, the normal operation of a unit can not be guaranteed, when the specified temperature is reached, the cooling fan can be automatically stopped, the heat dissipation of a hub is influenced, particularly in high-temperature weather in summer, the cooling fan is unstable in work more easily, and the service life of the cooling fan is influenced by high-temperature work.
At present, the ventilation and heat dissipation in the hub mainly depend on free cooling fans such as a variable pitch cabinet and a yaw motor for heat exchange. Such technique intelligence is solved and is become oar cabinet, yaw motor self original paper heat dissipation, but high when summer temperature, the inside whole temperature of wheel hub risees the back, and this kind of heat dissipation technique just can not play the effect of cooling ventilation.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the embodiment of the present application is to provide a fan hub ventilation structure, which can effectively solve the above technical problems.
In a first aspect, the fan hub ventilation structure provided by the application comprises a fan box body, a temperature sensor, an exhaust pump and a control device; the fan box body is provided with an air inlet and an air outlet, and the air inlet is provided with an air inlet valve; the temperature sensor is connected in the fan box body and used for detecting the temperature in the fan box body; the exhaust pump is connected to the exhaust port; the temperature sensor, the intake valve, and the exhaust pump are electrically connected to the control device.
In an optional embodiment according to the first aspect, the fan hub ventilation structure further includes a first communicating pipe and a second communicating pipe, the first communicating pipe is connected to the exhaust port, and the first communicating pipe and the second communicating pipe form a bent structure; the exhaust pump is arranged between the first communicating pipe and the second communicating pipe; and an air outlet is formed in one end, far away from the exhaust pump, of the second communicating pipe. It should be noted that, in this embodiment, the fan hub ventilation structure further includes a first communicating pipe and a second communicating pipe, the first communicating pipe is connected to the exhaust port, and the first communicating pipe and the second communicating pipe form a bending structure; the exhaust pump is arranged between the first communicating pipe and the second communicating pipe; and an air outlet is formed in one end, far away from the exhaust pump, of the second communicating pipe. In the use, be convenient for will pass through the inside air current of fan box is discharged more rationally properly, sets up first communicating pipe and second communicating pipe and constitutes the structure of buckling, is convenient for increase the flow path of air current, reduces the air current pressure and can reduce its temperature at the flow in-process simultaneously for the combustion gas stream is safer.
In an alternative embodiment according to the first aspect, sound-deadening layers are provided in the first communication pipe and the second communication pipe. It should be noted that, in this embodiment, a sound damping layer is disposed in the first communicating pipe and the second communicating pipe. Through the setting of noise reduction layer, can reduce the noise that produces when the exhaust pump operation, guarantee operational environment quiet.
In an alternative embodiment according to the first aspect, the fan hub ventilation structure further comprises an outlet barrier comprising a flap and a shaft, the flap being rotatably connected to the shaft for opening or closing the air outlet. It should be noted that, in this embodiment, the fan hub ventilation structure further includes an outlet barrier, where the outlet barrier includes a baffle and a rotating shaft, and the baffle is rotatably connected to the rotating shaft for opening or closing the air outlet. The baffle plate can rotate along the rotating shaft in the ventilation process, so that the air flow is discharged. When the heat dissipation is not needed, the baffle is vertically arranged at the air outlet, so that the air outlet is shielded, and the external air flow is prevented from flowing backwards to enter the second communicating pipe to influence the interior of the fan box.
In an optional embodiment according to the first aspect, the outlet barrier further includes two electric stoppers disposed opposite to each other, the electric stoppers are disposed on a side of the baffle away from the exhaust pump, the two electric stoppers are disposed opposite to each other and disposed on two opposite sides of the air outlet, and both opposite sides of the two electric stoppers are provided with movable limiting rods; the electric limiting stopper can drive the movable limiting rods to mutually approach or keep away from each other. It should be noted that, in this embodiment, the outlet barrier further includes two electric stoppers disposed oppositely, the electric stoppers are disposed on one side of the baffle far away from the exhaust pump, the two electric stoppers disposed oppositely are disposed on two opposite sides of the air outlet, respectively, and two movable limiting rods are disposed on two opposite sides of the two electric stoppers; the electric limiting stopper can drive the movable limiting rods to mutually approach or keep away from each other. In the implementation process, when the air outlet needs to be closed by the baffle, the movable limiting rod on the electric limiting device moves to be close to the air outlet to stop the baffle to rotate, the baffle is in a vertical state under the stopping action of the movable limiting rod, and therefore the baffle can completely seal the air outlet, and the situation that external air flows flow backwards to enter the second communicating pipe to influence the interior of the fan box is avoided.
In an optional embodiment according to the first aspect, a magnet is disposed on one side of the movable limiting rod close to the baffle, and a magnetic part magnetically attracted to the magnet is disposed at a position corresponding to the baffle. It should be noted that, in this embodiment, a magnet is disposed on one side of the movable limiting rod close to the baffle, and a magnetic member magnetically attracted to the magnet is disposed at a position corresponding to the baffle. In the implementation process, when the baffle is required to be closed, the movable limiting rod on the electric limiting device moves to be close to the air outlet, one side of the movable limiting rod adsorbs one end of the baffle under the action of the magnet, and the movable limiting rod on the electric limiting device on the other side moves to be close to the air outlet, so that the air outlet can be completely sealed by the baffle, and the situation that external air flow flows backwards into the second communicating pipe to influence the interior of the fan box is avoided.
In an optional embodiment according to the first aspect, a forward and reverse rotation sensor is disposed on the rotating shaft, and the forward and reverse rotation sensor is electrically connected to the electric stopper. It should be noted that, in this embodiment, a forward and reverse rotation sensor is disposed on the rotating shaft, and the forward and reverse rotation sensor is electrically connected to the electric limiter. In the implementation process, after the ventilator stops operating, the positive and negative rotation sensor can detect the rotating direction of the baffle on the rotating shaft. The baffle carries out clockwise rotation in the pivot, and the removal gag lever post on the electronic stopper on left removes to the right-hand member, adsorbs the one end of baffle under the effect of magnet, and the removal gag lever post on the electronic stopper on right side this moment removes to the left end, thereby lets the baffle can seal the gas outlet completely, avoids outside air current to flow backward and gets into second communicating pipe, causes the influence in the fan box.
In an alternative embodiment according to the first aspect, the intake valve includes an intake valve mounting seat, a sleeve, a stem, an elastic member, an annular electromagnet, and a spherical plug, the intake valve mounting seat is fixedly connected to an inner sidewall of the intake port, and the intake valve mounting seat is connected to the annular electromagnet; the annular electromagnet is sleeved outside the sleeve, and the sleeve is sleeved outside the sleeve rod; one end of the loop bar is movably connected in the sleeve, and the other end of the loop bar is connected with the spherical plug; the elastic piece is sleeved outside the sleeve rod and is arranged between the spherical plug and the annular electromagnet; the annular electromagnet is electrically connected with the control device, the annular electromagnet selectively attracts the spherical plug, and the spherical plug selectively blocks the air inlet. It should be noted that, in this embodiment, the intake valve includes an intake valve mounting seat, a sleeve, a loop bar, an elastic component, an annular electromagnet, and a spherical plug, the intake valve mounting seat is fixedly connected to an inner side wall of the intake port, and the intake valve mounting seat is connected to the annular electromagnet; the annular electromagnet is sleeved outside the sleeve, and the sleeve is sleeved outside the sleeve rod; one end of the loop bar is movably connected in the sleeve, and the other end of the loop bar is connected with the spherical plug; the elastic piece is sleeved outside the sleeve rod and is arranged between the spherical plug and the annular electromagnet; the annular electromagnet is electrically connected with the control device, the annular electromagnet selectively attracts the spherical plug, and the spherical plug selectively blocks the air inlet. In the implementation process, can produce magnetism when annular electromagnet is in the on-state, can adsorb the sphere stopper through annular electromagnet's magnetic performance, when the sphere stopper moves down the loop bar can be able to bear or endure to get into in the sleeve, lets the air inlet is in unobstructed state, and the back of closing the power the elasticity of elastic component can be right the sphere stopper resets, lets the air inlet is in the closure state.
In an alternative embodiment according to the first aspect, the fan hub ventilation arrangement further comprises an air filter disposed inside the air inlet valve proximate the fan case. It should be noted that, in this embodiment, the fan hub ventilation structure further includes an air filter, and the air filter is disposed on the inner side of the air inlet valve close to the fan box body. Through air cleaner can filter the particulate matter in the air current, avoids the particulate matter to get into and causes the damage in the fan box.
In a second aspect, an embodiment of the present application further provides a fan, where the fan includes a motor, a fan hub, and the fan hub ventilation structure; the motor and fan wheel hub all set up in the fan box.
The application provides a pair of fan wheel hub ventilation structure compares with prior art, possesses following beneficial effect at least:
the application provides a fan hub ventilation structure, which comprises a fan box body, a temperature sensor, an exhaust pump and a control device; the fan box body is provided with an air inlet and an air outlet, and the air inlet is provided with an air inlet valve; the temperature sensor is connected in the fan box body and used for detecting the temperature in the fan box body; the exhaust pump is connected to the exhaust port; the temperature sensor, the intake valve, and the exhaust pump are all electrically connected to the control device. The application provides a fan wheel hub ventilation structure, in the use, works as temperature sensor senses when the temperature of fan box body surpasses and predetermines the temperature, temperature sensor gives this information transfer for controlling means, controlling means control admission valve and the exhaust pump starts, makes the fan box body is unblocked, makes cold wind flow in from the air inlet inside the fan box body, for its inside motor and fan wheel hub cool down, avoid the damage that motor and fan wheel hub high temperature caused, prolonged life effectively.
The application provides a fan, owing to including foretell fan wheel hub ventilation structure, consequently also possess and have foretell beneficial effect.
Drawings
The present application will be described in more detail below on the basis of embodiments and with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of a wind turbine according to an embodiment of the present application;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic structural diagram of an air inlet valve of a fan hub ventilation structure provided by an embodiment of the application;
fig. 4 is an enlarged schematic view of a portion B in fig. 1.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
Reference numerals are as follows:
101-a fan box body; 102-a motor; 103-a fan hub; 2-an air inlet; 3-an air inlet valve; 301-intake valve mount; 302-ring electromagnet; 303-a sleeve; 304-a loop bar; 305-spherical plug; 306-a resilient member; 4-an air filter; 5-an exhaust port; 6-a first communicating pipe; 7-an exhaust pump; 8-a second communicating pipe; 9-air outlet; 10-an electric stopper; 11-moving the limiting rod; 12-a rotating shaft; 13-a baffle; 14-temperature sensor.
Detailed Description
The present application is further described below in conjunction with the detailed description. It should be understood that these specific embodiments are merely illustrative of the present application and are not intended to limit the scope of the present application.
For the sake of brevity, only some numerical ranges are specifically disclosed herein. However, any lower limit may be combined with any upper limit to form ranges not explicitly recited; and any lower limit may be combined with any other lower limit to form a range not explicitly recited, and similarly any upper limit may be combined with any other upper limit to form a range not explicitly recited. Furthermore, each separately disclosed point or individual value may itself, as a lower or upper limit, be combined with any other point or individual value or with other lower or upper limits to form ranges not explicitly recited.
In the description herein, it is to be noted that, unless otherwise specified, "above" and "below" are inclusive, and "one or more" means "several" are two or more.
Unless otherwise indicated, terms used in the present application have well-known meanings that are commonly understood by those skilled in the art. Unless otherwise indicated, the numerical values of the parameters mentioned in the present application can be measured by various measurement methods commonly used in the art (for example, the test can be performed according to the methods given in the examples of the present application).
Referring to fig. 1 to 4, the fan hub ventilation structure provided by the present application includes a fan box 101, a temperature sensor 14, an exhaust pump 7 and a control device (not shown in the drawings); the fan box body 101 is provided with an air inlet 2 and an air outlet 5, and the air inlet 2 is provided with an air inlet valve 3; the temperature sensor 14 is connected in the fan box body 101 and used for detecting the temperature inside the fan box body 101; the exhaust pump 7 is connected to the exhaust port 5; the temperature sensor 14, the intake valve 3, and the exhaust pump 7 are electrically connected to the control device.
The fan hub ventilation structure comprises a fan box body 101, a temperature sensor 14, an exhaust pump 7 and a control device; the fan box body 101 is provided with an air inlet 2 and an air outlet 5, and the air inlet 2 is provided with an air inlet valve 3; the temperature sensor 14 is connected in the fan box body 101 and used for detecting the temperature inside the fan box body 101; the exhaust pump 7 is connected to the exhaust port 5; the temperature sensor 14, the intake valve 3, and the exhaust pump 7 are electrically connected to the control device. The application provides a fan wheel hub ventilation structure, in the use, works as temperature sensor 14 senses fan box 101's temperature surpasss when predetermineeing the temperature, temperature sensor 14 gives this information transfer controlling means, controlling means control admission valve 3 and exhaust pump 7 starts, makes fan box 101 is unblocked, makes cold wind flow from air inlet 2 flow into inside fan box 101, for its inside motor 102 and fan wheel hub 103 cool down, avoid the damage that motor 102 and fan wheel hub 103 high temperature caused, prolonged life effectively.
In an optional exemplary embodiment, the fan hub ventilation structure further comprises a first communicating pipe 6 and a second communicating pipe 8, the first communicating pipe 6 is connected to the exhaust port 5, and the first communicating pipe 6 and the second communicating pipe 8 form a bent structure; the exhaust pump 7 is arranged between the first communicating pipe 6 and the second communicating pipe 8; and an air outlet 9 is formed in one end, far away from the exhaust pump 7, of the second communicating pipe 8. It should be noted that, in this embodiment, the fan hub ventilation structure further includes a first communicating pipe 6 and a second communicating pipe 8, the first communicating pipe 6 is connected to the exhaust port 5, and the first communicating pipe 6 and the second communicating pipe 8 form a bending structure; the exhaust pump 7 is arranged between the first communicating pipe 6 and the second communicating pipe 8; and an air outlet 9 is formed in one end, far away from the exhaust pump 7, of the second communicating pipe 8. In the use, be convenient for will pass through the inside air current of fan box 101 is discharged more rationally and properly, sets up first communicating pipe 6 and second communicating pipe 8 and constitutes the structure of buckling, is convenient for increase the flow path of air current, reduces the air current pressure and can reduce its temperature at the flow in-process simultaneously for the exhaust air current is safer.
In an alternative exemplary embodiment, sound-deadening layers (not shown in the figures) are provided in the first and second communication pipes 6, 8. In this embodiment, a sound-deadening layer is provided in the first communication pipe 6 and the second communication pipe 8. Through the arrangement of the silencing layer, the noise generated when the exhaust pump 7 operates can be reduced, and the quiet working environment is ensured.
In an alternative exemplary embodiment, the fan hub ventilation structure further comprises an outlet barrier, the outlet barrier comprises a baffle 13 and a rotating shaft 12, and the baffle 13 is rotatably connected to the rotating shaft 12 for opening or closing the air outlet 9. It should be noted that, in this embodiment, the fan hub ventilation structure further includes an outlet barrier, where the outlet barrier includes a baffle 13 and a rotating shaft 12, and the baffle 13 is rotatably connected to the rotating shaft 12 for opening or closing the air outlet 9. The baffle 13 can rotate along the rotating shaft 12 during the ventilation process, so that the air flow can be discharged. When heat dissipation is not needed, the baffle 13 is vertically arranged in the air outlet 9 to further shield the air outlet 9, and external air flow is prevented from flowing backwards into the second communicating pipe 8 to influence the interior of the fan box 101.
In an optional exemplary embodiment, the outlet barrier further comprises two oppositely arranged electric stoppers 10, the electric stoppers 10 are disposed on one side of the baffle 13 away from the exhaust pump 7, the two oppositely arranged electric stoppers 10 are respectively disposed on two opposite sides of the air outlet 9, and two opposite sides of the two electric stoppers 10 are respectively provided with a movable limiting rod 11; the electric limiting stopper 10 can drive the movable limiting rods 11 to approach or move away from each other. It should be noted that, in this embodiment, the outlet barrier further includes two electric stoppers 10 disposed oppositely, the electric stoppers 10 are disposed on one side of the baffle 13 away from the exhaust pump 7, the two electric stoppers 10 disposed oppositely are respectively disposed on two opposite sides of the air outlet 9, and two movable limiting rods 11 are disposed on two opposite sides of the two electric stoppers 10; the electric stopper 10 can drive the movable limiting rods 11 to move close to or away from each other. In the implementation process, when the baffle 13 is required to close the air outlet 9, the movable limiting rod 11 on the electric limiter 10 moves to a position close to the air outlet 9 to block the baffle 13 to rotate, and the baffle 13 is in a vertical state under the blocking effect of the movable limiting rod 11, so that the baffle 13 can completely seal the air outlet 9, and the influence on the inside of the fan box body 101 caused by the fact that external air flow flows backwards into the second communicating pipe 8 is avoided.
In an alternative exemplary embodiment, a magnet is disposed on one side of the movement limiting rod 11 close to the baffle 13, and a magnetic member magnetically attracted to the magnet is disposed at a position corresponding to the baffle 13. In this embodiment, a magnet is disposed on the side of the movable limiting rod 11 close to the baffle 13, and a magnetic member magnetically attracted to the magnet is disposed at a position corresponding to the baffle 13. In the implementation process, when the baffle 13 is required to close the air outlet 9, the movable limiting rod 11 on the electric limiter 10 moves to a position close to the air outlet 9, one side of the movable limiting rod 11 adsorbs one end of the baffle 13 under the action of the magnet, and the movable limiting rod 11 on the electric limiter 10 on the other side moves to a position close to the air outlet 9, so that the air outlet 9 can be completely sealed by the baffle 13, and the influence on the inside of the fan box body 101 caused by the fact that external air flow flows back into the second communicating pipe 8 is avoided.
In an alternative exemplary embodiment, a forward and reverse rotation sensor (not shown) is disposed on the rotating shaft 12, and the forward and reverse rotation sensor is electrically connected to the electric stopper 10. In this embodiment, a forward and reverse rotation sensor is disposed on the rotating shaft 12, and the forward and reverse rotation sensor is electrically connected to the electric stopper 10. In practice, the forward and reverse rotation sensor can detect the direction of rotation of the baffle 13 on the shaft 12 after the ventilator stops operating. For example, referring to fig. 4, the baffle 13 rotates clockwise around the rotating shaft 12, the movable limiting rod 11 on the left electric stopper 10 moves to the right end, and adsorbs one end of the baffle 13 under the action of the magnet, and at this time, the movable limiting rod 11 on the right electric stopper 10 moves to the left end, so that the baffle 13 can completely seal the air outlet 9, and the external air flow is prevented from flowing backward into the second communication pipe 8 to affect the inside of the fan box 101.
In an alternative exemplary embodiment, the intake valve 3 includes an intake valve mounting seat 301, a sleeve 303, a sleeve rod 304, an elastic member 306, an annular electromagnet 302, and a spherical plug 305, the intake valve mounting seat 301 is fixedly connected to an inner side wall of the intake port 2, and the intake valve mounting seat 301 is connected to the annular electromagnet 302; the annular electromagnet 302 is sleeved outside the sleeve 303, and the sleeve 303 is sleeved outside the sleeve rod 304; one end of the loop bar 304 is movably connected in the sleeve 303, and the other end is connected with the spherical plug 305; the elastic element 306 is sleeved outside the loop bar 304 and is disposed between the spherical plug 305 and the annular electromagnet 302; the annular electromagnet 302 is electrically connected with the control device, the annular electromagnet 302 selectively attracts the spherical plug 305, and the spherical plug 305 selectively blocks the air inlet 2. In this embodiment, the intake valve 3 includes an intake valve mounting seat 301, a sleeve 303, a sleeve rod 304, an elastic member 306, an annular electromagnet 302, and a spherical plug 305, the intake valve mounting seat 301 is fixedly connected to an inner side wall of the intake port 2, and the intake valve mounting seat 301 is connected to the annular electromagnet 302; the annular electromagnet 302 is sleeved outside the sleeve 303, and the sleeve 303 is sleeved outside the sleeve rod 304; one end of the loop bar 304 is movably connected in the sleeve 303, and the other end is connected with the spherical plug 305; the elastic element 306 is sleeved outside the loop bar 304 and is disposed between the spherical plug 305 and the annular electromagnet 302; the annular electromagnet 302 is electrically connected with the control device, the annular electromagnet 302 selectively attracts the spherical plug 305, and the spherical plug 305 selectively blocks the air inlet 2. In the implementation process, the annular electromagnet 302 can generate magnetism when being in the energized state, the spherical plug 305 can be adsorbed by the magnetism of the annular electromagnet 302, the sleeve rod 304 can be resistant to entering the sleeve 303 while the spherical plug 305 moves downwards, so that the air inlet 2 is in the open state, and after the power supply is turned off, the elasticity of the elastic part 306 can reset the spherical plug 305, so that the air inlet 2 is in the closed state.
In an alternative exemplary embodiment, the fan hub ventilation structure further comprises an air filter 4, and the air filter 4 is arranged on the inner side of the air inlet valve 3 close to the fan box 101. In this embodiment, the fan hub ventilation structure further includes an air filter 4, and the air filter 4 is disposed inside the air intake valve 3 close to the fan box 101. Through air cleaner 4 can filter out the particulate matter in the air current, avoids particulate matter to get into and causes the damage in fan box 101.
The application also provides a fan, which comprises a motor 102, a fan hub 103 and the fan hub ventilation structure; the motor 102 and the fan hub 103 are both disposed in the fan case 101.
The fan that this application provided is owing to including foretell fan wheel hub ventilation structure, consequently also possesses and has foretell beneficial effect.
While the application has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the application. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present application is not intended to be limited to the particular embodiments disclosed herein but is to cover all embodiments that may fall within the scope of the appended claims.
Claims (10)
1. A fan hub ventilation structure, comprising:
the fan box body is provided with an air inlet and an air outlet, and the air inlet is provided with an air inlet valve;
the temperature sensor is connected in the fan box body and used for detecting the temperature in the fan box body;
an exhaust pump connected to the exhaust port; and
and the temperature sensor, the air inlet valve and the exhaust pump are all electrically connected with the control device.
2. The fan hub ventilation structure of claim 1, further comprising a first communication pipe and a second communication pipe, wherein the first communication pipe is connected to the exhaust port, and the first communication pipe and the second communication pipe form a bent structure; the exhaust pump is arranged between the first communicating pipe and the second communicating pipe; and an air outlet is formed in one end, far away from the exhaust pump, of the second communicating pipe.
3. The fan hub ventilation structure of claim 2, wherein a sound damping layer is disposed in the first communicating tube and the second communicating tube.
4. The fan hub ventilation structure of claim 2, further comprising an outlet barrier comprising a flap and a shaft, the flap being rotatably coupled to the shaft for opening or closing the air outlet.
5. The fan hub ventilation structure according to claim 4, wherein the outlet barrier further comprises two electric stoppers disposed opposite to each other, the electric stoppers being disposed on a side of the barrier away from the exhaust pump, the two electric stoppers being disposed opposite to each other and disposed on opposite sides of the air outlet, respectively, and both opposite sides of the two electric stoppers being provided with movable stoppers; the electric limiting stopper can drive the movable limiting rods to mutually approach or keep away from each other.
6. The fan hub ventilation structure of claim 5, wherein a magnet is disposed on one side of the movable limiting rod close to the baffle, and a magnetic part magnetically attracted to the magnet is disposed at a position corresponding to the baffle.
7. The fan hub ventilation structure of claim 5, wherein the rotating shaft is provided with a forward and reverse rotation sensor, and the forward and reverse rotation sensor is electrically connected with the electric limiter.
8. The fan hub ventilation structure according to any one of claims 1 to 7, wherein the air inlet valve comprises an air inlet valve mounting seat, a sleeve, a loop bar, an elastic piece, an annular electromagnet and a spherical plug, the air inlet valve mounting seat is fixedly connected with the inner side wall of the air inlet, and the air inlet valve mounting seat is connected with the annular electromagnet; the annular electromagnet is sleeved outside the sleeve, and the sleeve is sleeved outside the sleeve rod; one end of the loop bar is movably connected in the sleeve, and the other end of the loop bar is connected with the spherical plug; the elastic piece is sleeved outside the sleeve rod and is arranged between the spherical plug and the annular electromagnet; the annular electromagnet is electrically connected with the control device, the annular electromagnet selectively attracts the spherical plug, and the spherical plug selectively blocks the air inlet.
9. The fan hub ventilation structure of any one of claims 1 to 7, further comprising an air filter disposed inside the air intake valve proximate the fan box.
10. A fan comprising an electric machine, a fan hub and a fan hub ventilation structure as claimed in any one of claims 1 to 9; the motor and the fan wheel hub are arranged in the fan box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221194249.7U CN217518930U (en) | 2022-05-17 | 2022-05-17 | Fan hub ventilation structure and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221194249.7U CN217518930U (en) | 2022-05-17 | 2022-05-17 | Fan hub ventilation structure and fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217518930U true CN217518930U (en) | 2022-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221194249.7U Active CN217518930U (en) | 2022-05-17 | 2022-05-17 | Fan hub ventilation structure and fan |
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| Country | Link |
|---|---|
| CN (1) | CN217518930U (en) |
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- 2022-05-17 CN CN202221194249.7U patent/CN217518930U/en active Active
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