CN217682319U - Air pump with heat radiation structure - Google Patents
Air pump with heat radiation structure Download PDFInfo
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- CN217682319U CN217682319U CN202221454471.6U CN202221454471U CN217682319U CN 217682319 U CN217682319 U CN 217682319U CN 202221454471 U CN202221454471 U CN 202221454471U CN 217682319 U CN217682319 U CN 217682319U
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Abstract
The utility model belongs to the field of air pumps, and discloses an air pump with a heat dissipation structure, which comprises a shell, a volute, fan blades and a motor; a volute cavity and an assembly cavity are arranged in the shell, and a shell air inlet communicated with the volute cavity and a shell air outlet communicated with the assembly cavity are formed in the shell; the volute is arranged in the volute cavity, a volute air inlet and a volute air outlet are formed in the volute, the volute air inlet is communicated with the casing air inlet in a sealing mode, and the volute air outlet is communicated with the component cavity; the fan blades are arranged in the volute; the motor is arranged in the assembly cavity and used for driving the fan blades to rotate so as to discharge air entering the volute from the volute air inlet into the assembly cavity from the volute air outlet and discharge the air entering the assembly cavity from the shell air outlet. The utility model discloses can be with in the spiral case air after the pressurization from the spiral case air exit discharge into the subassembly cavity to discharge from the casing air exit on the subassembly cavity, realize dispelling the heat to subassemblies such as the motor in the subassembly cavity, improve product life.
Description
Technical Field
The utility model relates to an air pump technical field indicates an air pump with heat radiation structure especially.
Background
The centrifugal air pump is an air pump with centrifugal fan blades for inflation, air exhaust or air exhaust and inflation, such as a traditional vacuum bag air exhaust pump and the like. Most of the existing centrifugal air pumps have simple structures and mainly comprise fan blades, a volute, a motor, a main control board or a charged battery or no charged battery. No matter the centrifugal air pump with or without a battery, the whole shell for mounting the motor and the circuit board or the battery is not internally provided with an active heat dissipation structure.
Because the interior of the air pump shell is not provided with an active heat dissipation structure, heat generated when the motor runs at a high speed and the circuit board or the battery works cannot be discharged, so that high temperature is generated in the shell and on the surface of the shell, and great threat is caused to the service life and the use safety of a product.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an air pump with heat radiation structure realizes dispelling the heat to the subassembly in the air pump, improves product life and safe in utilization.
The utility model provides a technical scheme as follows:
an air pump having a heat dissipation structure, comprising:
the inner part of the shell is divided into a volute cavity and an assembly cavity, and the shell is provided with a shell air inlet communicated with the volute cavity and a shell air outlet communicated with the assembly cavity;
the volute is arranged in the volute cavity, a volute air inlet and a volute air outlet are formed in the volute, the volute air inlet is hermetically communicated with the casing air inlet, and the volute air outlet is communicated with the assembly cavity;
a fan blade rotatably disposed within the volute;
the motor is arranged in the assembly cavity and used for driving the fan blades to rotate;
the motor during operation drives the flabellum rotates for will follow the spiral case air intake gets into air in the spiral case is followed the spiral case air exit is discharged into in the subassembly cavity, so that get into air in the subassembly cavity is followed the casing air outlet is discharged.
In some embodiments, the number of the fan blades is multiple, and the fan blades are sequentially arranged in the volute along the direction from the volute cavity to the assembly cavity.
In some embodiments, the wind guide device further comprises a wind guide plate, a wind guide groove and a wind guide opening are formed in the wind guide plate, and the wind guide plate is arranged in the volute and located between two adjacent fan blades.
In some embodiments, a center of the volute air inlet is located on the same axis as a center of a power shaft of the motor.
In some embodiments, the fan further comprises a battery, the battery is arranged in the component cavity and electrically connected with the motor, and the volute air outlet is located on the side of the fan blade and directly above the battery.
In some embodiments, a circuit board is also included, the circuit board being disposed within the assembly cavity and electrically connected to the battery.
In some embodiments, the housing air inlet is disposed at the top of the housing in the height direction, and the housing air outlet is disposed at the bottom of the housing in the height direction;
the volute cavity and the assembly cavity are sequentially arranged in the height direction of the shell.
In some embodiments, the number of the housing outlets is multiple, and the multiple housing outlets are distributed in a circumferential array at the bottom of the housing.
In some embodiments, a partition is provided within the housing that separates the housing interior into a volute cavity and a component cavity.
The technical effects of the utility model reside in that:
(1) The utility model discloses a communicate the spiral case inside with the subassembly cavity to set up the casing air exit on the subassembly cavity, can discharge the air after the pressurization in the spiral case into the subassembly cavity from the spiral case air exit, and discharge from the casing air exit on the subassembly cavity, dispel the heat with the realization to subassemblies such as motors in the subassembly cavity, improve the life-span and the safe in utilization of product.
(2) A plurality of flabellums are installed in the volute, and the fan can provide bigger amount of wind and wind pressure compared with a single flabellum, and then the radiating effect is improved.
(3) The air outlets of the shell are distributed on the periphery of the bottom surface of the whole shell, so that the air flow passing through each place inside the cavity of the component is close to uniform, the surface of the electrical component at different positions inside the cavity of the component is uniformly cooled, and the heat dissipation effect is improved.
Drawings
The invention will be described in further detail with reference to the following drawings and embodiments:
FIG. 1 is a cross-sectional view of an air pump with a heat dissipation structure, according to an embodiment of the present application;
FIG. 2 is a schematic top view of an air pump with a heat dissipation structure according to an embodiment of the present disclosure;
FIG. 3 is a schematic bottom view of an air pump with a heat dissipation structure according to an embodiment of the present disclosure;
fig. 4 is an exploded schematic view of a fan blade and an air guiding plate of an air pump with a heat dissipation structure according to an embodiment of the present disclosure.
The reference numbers illustrate:
10. a housing; 11. a volute cavity; 12. an assembly cavity; 13. a shell air inlet; 14. an air outlet of the shell; 15. a partition plate; 20. a volute; 21. a volute air inlet; 22. a volute air outlet; 30. a fan blade; 40. an air deflector; 41. a wind guide groove; 42. a wind guide opening; 50. a motor; 51. a power shaft; 60. a switch; 70. a battery; 80. a circuit board.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 creative efforts.
For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.
In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
In an embodiment of the present application, as shown in fig. 1 to 3, an air pump with a heat dissipation structure includes a housing 10, a volute 20, fan blades 30, and a motor 50, where the interior of the housing 10 is divided into a volute cavity 11 and an assembly cavity 12, and the housing 10 is provided with a housing air inlet 13 communicated with the volute cavity 11 and a housing air outlet 14 communicated with the assembly cavity 12; the volute 20 is arranged in the volute cavity 11, the volute 20 is provided with a volute air inlet 21 and a volute air outlet 22, the volute air inlet 21 is hermetically communicated with the shell air inlet 13, and the volute air outlet 22 is communicated with the assembly cavity 12; the fan blades 30 are rotatably disposed within the volute 20; the motor 50 is arranged in the assembly cavity 12 and used for driving the fan blades 30 to rotate; the motor 50 drives the fan blades 30 to rotate when operating, so as to discharge the air entering the volute 20 from the volute inlet 21 into the assembly cavity 12 from the volute outlet 22, and discharge the air entering the assembly cavity 12 from the housing outlet 14.
Specifically, the volute cavity 11 and the assembly cavity 12 of the present embodiment may be two regions of a cavity, and the two regions are communicated with each other, that is, a part of the region of the cavity is referred to as the volute cavity 11, and another part of the cavity is referred to as the assembly cavity 12. Of course, the volute chamber 11 and the assembly chamber 12 may be two separate chambers; whether the volute chamber 11 and the assembly chamber 12 are two regions of one chamber and two separate chambers does not affect the implementation of the present embodiment.
The volute 20 is disposed in the volute cavity 11, and if the volute cavity 11 and the module cavity 12 are two regions of one cavity, after the volute 20 is mounted in the volute cavity 11, two independent cavities can be formed between the inside of the volute 20 and the module cavity 12 and are communicated through the volute exhaust outlet 22. If the volute cavity 11 and the assembly cavity 12 are two independent cavities, that is, the partition 15 is disposed inside the housing 10, and the inside of the housing 10 is divided into the volute cavity 11 and the assembly cavity 12 by the partition 15, then the partition 15 is provided with a through hole communicated with the volute air outlet 22, so that air in the volute 20 can enter the assembly cavity 12 from the volute air outlet 22 and the through hole, or the partition 15 is used as a bottom plate of the volute 20, and the volute air outlet 22 is disposed on the partition 15. The assembly chamber 12 is used for mounting various components required for the operation of the air pump, such as the battery 70, the circuit board 80, and the like.
The volute inlet 21 of the volute 20 is hermetically connected with the housing inlet 13, so that air entering from the housing inlet 13 can only enter the volute 20 from the volute inlet 21.
The rotatable fan blades 30 are arranged in the volute 20, the fan blades 30 are driven by the motor 50, when the fan blades 30 rotate at a high speed, negative pressure is generated in the volute 20, the negative pressure enables external air to enter the volute 20 from the shell air inlet 13 and the volute air inlet 21, the air entering the volute 20 is pressurized in the volute 20, then the air is discharged into the assembly cavity 12 from the volute air outlet 22, heat dissipated by the motor 50 arranged in the assembly cavity 12 is taken away, and finally the air is discharged from the shell air outlet 14, so that the purpose of dissipating heat of components in the assembly cavity 12 is achieved.
In the embodiment, the inside of the volute 20 is communicated with the component cavity 12, and the casing air outlet 14 is arranged on the component cavity 12, so that the pressurized air in the volute 20 can be discharged into the component cavity 12 from the volute air outlet 22 and discharged from the casing air outlet 14 on the component cavity 12, and the heat dissipation of components such as the motor 50 in the component cavity 12 is realized, and the service life and the use safety of the product are improved.
In some embodiments, the number of the fan blades 30 is multiple, and the multiple fan blades 30 are sequentially disposed in the volute 20 along the direction from the volute cavity 11 to the assembly cavity 12. The number of the fan blades 30 can be set according to actual needs, and can be set to be two, three or more. The plurality of fan blades 30 are arranged in the volute 20, so that the air volume and the air pressure can be increased, and the heat dissipation effect is improved.
In some embodiments, as shown in fig. 1 and fig. 4, the wind guide plate 40 is further included, a wind guide groove 41 and a wind guide opening 42 are disposed on the wind guide plate 40, and the wind guide plate 40 is disposed in the volute 20 and between two adjacent blades 30. The wind guide groove 41 with the same shape as the volute 20 is arranged on the wind guide plate 40, so that the wind pressure can be increased, and the heat dissipation effect can be further improved, and the wind guide opening 42 on the wind guide plate 40 can guide the wind on the upper layer of the wind guide plate 40 into the lower layer of the wind guide plate 40 from the wind guide opening 42. The air guiding plate 40 includes a first air guiding plate and a second air guiding plate, the first air guiding plate is communicated with the second air guiding plate, and the air guiding opening 42 is arranged on the second air guiding plate. When there are more than three fan blades 30, one air guiding plate 40 may be disposed between every two adjacent fan blades 30.
In some embodiments, as shown in fig. 1, a power shaft 51 of the motor 50 extends into the volute 20 and is connected to the center of the fan blade 30 to drive the fan blade 30 to rotate. The center of the fan blade 30 is provided with a mounting hole, and the power shaft 51 of the motor 50 penetrates through the mounting hole, so that the fan blade 30 is fixedly connected with the power shaft 51, and the fan blade 30 is driven to rotate together when the power shaft 51 of the motor 50 rotates. The housing 10 is further provided with a bayonet, a switch 60 of the air pump is fixed on the housing 10 through the bayonet, and the switch 60 is used for controlling the on/off of the motor 50.
After the switch 60 is turned on, the motor 50 starts to operate, the power shaft 51 on the motor 50 starts to drive the plurality of fan blades 30 to rotate at a high speed, negative pressure is generated in the internal cavity of the volute 20, outside air enters the volute 20 from the casing air inlet 13 and the volute air inlet 21, is pressurized in the internal cavity of the volute 20, is exhausted from the volute air outlet 22, reaches the assembly cavity 12, takes away heat emitted by each component in the assembly cavity 12, and is finally exhausted from the casing air outlet 14.
Further, the center of the volute air inlet 21 and the center of the power shaft 51 of the motor 50 are located on the same axis, that is, the volute air inlet 21 is located in the middle of the fan blade 30, so as to meet aerodynamic requirements and improve the working efficiency of the fan blade 30.
In some embodiments, as shown in fig. 1, the air pump further includes a battery 70, the battery 70 is disposed in the assembly cavity 12 and electrically connected to the motor 50, and the volute exhaust outlet 22 is located on the side of the fan blades 30 and directly above the battery 70. The battery 70 can supply power for various components (such as the motor 50) in the air pump, the volute air outlet 22 is arranged right above the battery 70, air entering the assembly cavity 12 can preferentially take away heat generated by the battery 70, and risks such as serious explosion caused by heating of the battery 70 are avoided.
In some embodiments, as shown in fig. 1, the air pump further includes a circuit board 80, the circuit board 80 being disposed within the assembly cavity 12 and electrically connected to the battery 70. The air entering the assembly cavity 12 can also carry away heat generated by the circuit board 80, so that heat dissipation of the circuit board 80 is realized.
In some embodiments, as shown in fig. 2 and 3, the housing air inlet 13 is disposed at the top of the housing 10 in the height direction, and the housing air outlet 14 is disposed at the bottom of the housing 10 in the height direction; the volute chamber 11 and the module chamber 12 are sequentially arranged in the height direction of the housing 10. The volute cavity 11 is disposed near the housing air inlet 13, the volute air inlet 21 of the volute 20 is disposed corresponding to the housing air inlet 13, and the housing air outlet 14 is located at the bottom of the module cavity 12. The casing air outlet 14 is disposed at the bottom of the casing 10 (the assembly cavity 12), so that the air in the assembly cavity 12 passes through the components from top to bottom and is quickly discharged through the casing air outlet 14, thereby improving the heat dissipation efficiency.
Further, as shown in fig. 3, the number of the housing outlets 14 is multiple, and the multiple housing outlets 14 are distributed in a circumferential array at the bottom of the housing 10. The air outlet 14 of the shell is distributed at the bottom of the whole assembly cavity 12, so that the passing air flow of each place in the assembly cavity 12 is nearly uniform, and uniform heat dissipation of the surfaces of the electrical components at different positions in the assembly cavity 12 is facilitated.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. An air pump with a heat dissipation structure, comprising:
the inner part of the shell is divided into a volute cavity and an assembly cavity, and the shell is provided with a shell air inlet communicated with the volute cavity and a shell air outlet communicated with the assembly cavity;
the volute is arranged in the volute cavity and is provided with a volute air inlet and a volute air outlet, the volute air inlet is hermetically communicated with the shell air inlet, and the volute air outlet is communicated with the assembly cavity;
a fan blade rotatably disposed within the volute;
the motor is arranged in the assembly cavity and used for driving the fan blades to rotate;
the motor during operation drives the flabellum rotates for will follow the spiral case air intake gets into air in the spiral case is followed the spiral case air exit is discharged into in the subassembly cavity, so that get into air in the subassembly cavity is followed the casing air outlet is discharged.
2. An air pump having a heat dissipating structure according to claim 1,
the quantity of flabellum is a plurality of, and a plurality of flabellum sets gradually along the spiral case cavity to the direction of subassembly cavity is in the spiral case.
3. An air pump having a heat dissipating structure according to claim 2,
the volute is characterized by further comprising an air guide plate, an air guide groove and an air guide opening are formed in the air guide plate, and the air guide plate is arranged in the volute and located between every two adjacent fan blades.
4. An air pump having a heat dissipating structure according to claim 1,
the center of the volute air inlet and the center of the power shaft of the motor are located on the same axis.
5. An air pump having a heat dissipating structure according to claim 1,
still include the battery, the battery sets up in the subassembly cavity and with the motor electricity is connected, the spiral case air exit is located the side of flabellum just is located directly over the battery.
6. An air pump having a heat dissipating structure according to claim 5,
still include the circuit board, the circuit board sets up in the subassembly cavity and with battery electricity is connected.
7. An air pump having a heat dissipating structure according to claim 1,
the shell air inlet is arranged at the top of the shell along the height direction, and the shell air outlet is arranged at the bottom of the shell along the height direction;
the volute cavity and the assembly cavity are sequentially arranged in the height direction of the shell.
8. An air pump having a heat dissipating structure according to claim 7,
the number of the shell air outlets is multiple, and the shell air outlets are distributed at the bottom of the shell in a circumferential array.
9. The air pump with a heat dissipation structure as recited in any one of claims 1 to 8, wherein a partition is disposed in the housing, and the partition divides the interior of the housing into a volute cavity and a module cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221454471.6U CN217682319U (en) | 2022-06-07 | 2022-06-07 | Air pump with heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221454471.6U CN217682319U (en) | 2022-06-07 | 2022-06-07 | Air pump with heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217682319U true CN217682319U (en) | 2022-10-28 |
Family
ID=83708854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221454471.6U Active CN217682319U (en) | 2022-06-07 | 2022-06-07 | Air pump with heat radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217682319U (en) |
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2022
- 2022-06-07 CN CN202221454471.6U patent/CN217682319U/en active Active
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