CN217010444U - Wireless power supply magnetic suction fan - Google Patents
Wireless power supply magnetic suction fan Download PDFInfo
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- CN217010444U CN217010444U CN202220541515.2U CN202220541515U CN217010444U CN 217010444 U CN217010444 U CN 217010444U CN 202220541515 U CN202220541515 U CN 202220541515U CN 217010444 U CN217010444 U CN 217010444U
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Abstract
The utility model discloses a wireless power supply magnetic suction fan which comprises a shell, a power supply and a fan body, wherein the shell comprises an inner shell and an outer shell, the outer shell comprises an outer base and an outer top cover, a wireless power supply transmitting module and a wireless power supply transmitting coil are arranged in the outer shell, and the power supply is positioned in the outer shell and used for supplying power to the wireless power supply transmitting module; the fan comprises an inner shell, an inner base and an inner top cover, wherein a wireless power supply receiving module and a wireless power supply receiving coil are arranged in the inner shell, the fan body comprises an outer frame, a rotating shaft with blades and a motor for driving the rotating shaft to rotate, the motor is electrically connected with the wireless power supply receiving module, the outer frame is fixed on the inner top cover, an air outlet is formed in the inner top cover, an air inlet is formed in the wall surface of the inner base, and magnets are respectively fixed in the outer base and the inner base.
Description
Technical Field
The utility model relates to a wireless power supply magnetic suction fan, and belongs to the technical field of fans.
Background
In the prior art, various portable fans are provided, which are all built-in power supply structures, some of the portable fans are built-in non-detachable lithium batteries, and the lithium batteries are charged by charging wires after the electric quantity of the lithium batteries is exhausted; some fans use a removable dry cell as a power source, and power is supplied to the fan by replacing the battery after the power is exhausted. These portable fans can only be fit for ordinary occasion and use usually, in the scene that closed environment such as protection isolation clothes, military clothes inside is inconvenient to wear to take off the clothing repeatedly, the electric quantity exhausts and just can't charge or change the battery after this kind of fan of prior art work a period of time. Therefore, there is a need for a wirelessly powered fan with a separate fan and power source.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wireless power supply magnetic suction fan which is suitable for being used in scenes such as protective clothing auxiliary heat dissipation, military clothing heat dissipation in hot environments and the like and inconvenient to repeatedly put on and take off clothing.
The utility model adopts the following technical scheme: a wireless power supply magnetic suction fan comprises a shell, a power supply and a fan body, wherein the shell comprises an inner shell and an outer shell, the outer shell comprises an outer base and an outer top cover which are butted together from top to bottom, a wireless power supply transmitting module and a wireless power supply transmitting coil which are electrically connected are arranged in the outer shell, the power supply is positioned in the outer shell and used for supplying power to the wireless power supply transmitting module, and first magnets are uniformly fixed on the periphery of the wireless power supply transmitting coil in the outer base; the inner casing includes inner base and the inlayer top cap that butt joint is in the same place from top to bottom, is equipped with wireless power supply receiving module and the wireless power supply receiving coil of electricity connection in the inner casing, the fan body includes the frame, has the pivot of blade and the rotatory motor of drive pivot, motor and wireless power supply receiving module electricity are connected, the frame is fixed on the inlayer top cap, has seted up the air outlet on the inlayer top cap, has seted up the air inlet on the wall of inlayer base, and the inlayer base is located the periphery of wireless power supply receiving coil and evenly is fixed with second magnet, and under the suction effect of first magnet and second magnet, when outer base and inlayer base adsorb together, wireless power supply transmitting coil and the coaxial setting of wireless power supply receiving coil.
The wireless power supply transmission module is characterized in that a battery box is fixedly arranged in the top cover of the shell, the power supply is installed in the battery box, and the wireless power supply transmission module is electrically connected with the battery box through a wire.
And switch grooves are respectively arranged at the positions where the shell base and the shell top cover are connected, and a switch connected with the power supply is installed in each switch groove.
The battery box is fixedly bonded with the top cover of the shell through hot melt adhesive, and the switch is fixedly bonded with the top cover of the shell through hot melt adhesive.
The wireless power supply emission module is fixedly bonded with the outer layer base through hot melt adhesive, and the wire contact and the circuit board are sealed through the hot melt adhesive.
The outer frame is fixed on the periphery of the air outlet of the inner layer top cover through hot melt adhesive, and the air outlet on the inner layer top cover is circular.
The inner layer top cover and the inner layer base are fixedly connected together through a buckle; the outer layer top cover and the outer layer base are fixedly connected together through a buckle.
The buckles are evenly distributed at the inner edge of the inner layer base and the inner edge of the outer layer base, the inner side of the inner layer top cover is clamped on the buckles of the inner layer base, and the inner side of the outer layer top cover is clamped on the buckles of the outer layer base.
The wireless power supply transmitting coil and the wireless power supply transmitting module are respectively connected with the outer-layer base in an occlusion way through the grooves, and the wireless power supply receiving module is fixedly bonded with the outer frame of the fan body through hot melt adhesive.
The number of the first magnets and the number of the second magnets are equal, the number of the first magnets and the number of the second magnets are even, and one N pole of each first magnet faces upwards, and the other S pole of each first magnet faces upwards; in two adjacent second magnets, one N pole faces upwards, and the other S pole faces upwards. The magnets are arranged in the mode, so that the wireless power supply transmitting and receiving coil can work at the best corresponding position, the power supply efficiency is improved, and the wireless power supply transmitting and receiving coil is not easy to move and rotate after being fixed.
The utility model has the beneficial effects that: the fan, the wireless power supply receiving module and the wireless power supply receiving coil are arranged in the inner shell, the power supply, the wireless power supply transmitting coil and the wireless power supply transmitting module are arranged in the outer shell, current is generated in the wireless power supply transmitting coil to form a magnetic field, when the magnetic flux of a closed circuit of the outer shell changes, induced electromotive force can be generated between the wireless power supply transmitting coil of the outer shell and the wireless power supply receiving coil of the inner shell, the wireless power supply receiving module enables voltage to be stable, the current generated by the wireless power supply receiving coil is transmitted to the motor, and therefore the fan is powered. Under the magnetic attraction effect of the first magnetic block and the second magnetic block, the inner shell and the outer shell are adsorbed together, so that the wireless power supply receiving coil is stable and does not fall off, and meanwhile, the wireless power supply transmitting coil and the wireless power supply receiving coil are ensured to be correspondingly attached. According to the utility model, the air inlet is arranged on the inner layer base, and the air outlet is arranged on the inner layer top cover, so that a unique air channel is formed, the whole weight of the fan is reduced without an additional air channel structure, and the air inlet and the air outlet are not easy to block and can effectively form air flow in the opening direction.
The utility model uses the wireless power supply technology to supply power to the fan, because the battery is arranged in the outer shell, the utility model is very suitable for being applied to the scenes which are inconvenient for repeatedly putting on and taking off clothes, such as the auxiliary heat dissipation of protective clothing, the heat dissipation of military clothes in hot environment, and the like, the inner shell and the outer shell can be respectively adsorbed on the inner side and the outer side of the clothes, thereby forming airflow in the clothes to accelerate the heat dissipation, and can be arranged at any position or any direction, thereby having larger flexibility.
The battery is replaced only by replacing the outer shell outside the fixed clothes, the protective clothing does not need to be worn and taken off again, the power supply is convenient to replace, and the fan can be continuously used; need not to use the wire power supply, guaranteed the integrality of clothing surface fabric, remove the winding problem of components of a whole that can function independently equipment room wire from, use magnetism to inhale the mode fixed on the clothing surface fabric, fixed firm and do not harm the clothing surface fabric, can not lead to safeguard function not comprehensive because of opening on the protective clothing, ensured its basic function, be convenient for select different position stationary fan on the clothing according to actual conditions moreover. The mode of wireless magnetic attraction also supports that the outer layer part containing the battery box is directly and quickly replaced when the rotating speed of the fan is lower than the ventilation requirement, so that the rotating power can be more efficiently provided for the fan blades of the inner shell.
Drawings
FIG. 1 is a schematic structural view of a wireless power magnetic suction fan according to an embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of FIG. 1;
FIG. 3 is a bottom view of the inner layer cap of FIG. 2;
FIG. 4 is a plan view of FIG. 1;
fig. 5 is a sectional view a-a of fig. 4.
In the figure: 1-inner layer base, 2-outer layer base, 3-wireless power supply receiving coil, 4-wireless power supply transmitting coil, 5-first magnet, 6-second magnet, 7-wireless power supply receiving module, 8-wireless power supply transmitting module, 9-fan body, 10-battery box, 11-inner layer top cover, 12-outer layer top cover and 13-switch.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments.
The structure of the wireless power supply magnetic suction fan is shown in fig. 1-2, the wireless power supply magnetic suction fan comprises a shell, a power supply and a fan body, wherein the shell comprises an inner shell and an outer shell, the outer shell comprises an outer base 2 and an outer top cover 12 which are butted together from top to bottom, a wireless power supply transmitting module 7 and a wireless power supply transmitting coil 4 are arranged in the outer shell, the power supply is positioned in the outer shell and used for supplying power to the wireless power supply transmitting module 7, and first magnets 6 are uniformly fixed on the periphery of the wireless power supply transmitting coil 4 in the outer base 2; the inner casing includes inner base 1 and inner cover 11 that butt joint is in the same place from top to bottom, is equipped with wireless power supply receiving module 7 and wireless power supply receiving coil 3 in the inner casing, fan body 9 includes the frame, has the pivot of blade and the rotatory motor of drive pivot, motor and wireless power supply receiving module electricity are connected, the frame is fixed on inner cover 11, has seted up the air outlet on the inner cover 11, has seted up the air inlet on the wall of inner base, is located the second magnet 5 of evenly being fixed with in inner base 1 on the periphery of wireless power supply receiving coil 3, under the suction effect of first magnet 6 and second magnet 5, when outer base 2 and inner base 1 adsorb together, wireless power supply transmitting coil 8 and the coaxial setting of wireless power supply receiving coil 3.
The battery box 10 is fixedly arranged in the shell top cover 12, the power supply is installed in the battery box 10, and the wireless power supply transmitting module 8 is electrically connected with the battery box 10 through a lead. And switch grooves are respectively arranged at the positions where the shell base 2 and the shell top cover 12 are connected, and a switch 13 connected with a power supply is installed in each switch groove. The battery case 10 is adhesively secured to the housing top cover 12 by means of a hot melt adhesive, and the switch 13 is adhesively secured to the housing top cover 12 by means of a hot melt adhesive.
The wireless power supply emission module 8 is adhered and fixed with the outer layer base 2 through hot melt adhesive, and the wire contact and the circuit board are sealed through the hot melt adhesive. The outer frame is fixed on the periphery of the air outlet of the inner layer top cover 11 through hot melt adhesive, and the air outlet on the inner layer top cover 11 is circular.
The inner layer top cover 11 and the inner layer base 1 are fixedly connected together through a buckle; the outer layer top cover 12 and the outer layer base 2 are fixedly connected together through a buckle. The buckles are evenly distributed at the inner edge of the inner layer base 1 and the inner edge of the outer layer base 2, the inner side of the inner layer top cover 11 is clamped on the buckles of the inner layer base 1, and the inner side of the outer layer top cover 12 is clamped on the buckles of the outer layer base 2.
The wireless power supply transmitting coil and the wireless power supply transmitting module are respectively connected with the outer-layer base in an occlusion way through the grooves, and the wireless power supply receiving module is fixedly bonded with the outer frame of the fan body through hot melt adhesive.
The number of the first magnets 6 is equal to that of the second magnets 5, the number of the first magnets 6 is even, and the number of the second magnets 5 is 8. In two adjacent first magnets 6, one N pole faces upward, and the other S pole faces upward; in the adjacent two second magnets 5, one N-pole faces upward and the other S-pole faces upward.
In this embodiment, the inner base 1, the outer base 2 and the inner top cover 12 may be made of 7500 future high-performance nylon or 7200 future nylon fiber-reinforced material, the outer top cover 11 may be made of transparent photosensitive resin material, and the inside of the outer shell can be observed. The power supply can adopt 3 times of DP-AAA700mAh type batteries. The first magnet 6 and the second magnet 5 are respectively 8M 3 high-strength perforated magnetic pastes. The wireless power supply transmitting module 8, the wireless power supply transmitting coil 4, the wireless power supply receiving module 7 and the wireless power supply receiving coil 3 adopt a Zave 5v 1a wireless power supply module group, and the switch 13 adopts a rocker switch.
In this embodiment, the outer shell and the inner shell are attracted by the magnetic force of the first magnet 6 and the second magnet 5. The power supply in the outer shell supplies power for the motor after charging, opens rocker switch back, produces electric current in the wireless power supply transmitting coil, forms magnetic field then, when outer shell closed circuit magnetic flux changes, can produce the induced electromotive force between the wireless power supply receiving coil of outer shell wireless power supply transmitting coil and inlayer shell, and the fan obtains the power supply. The fan is fixed by magnetic adsorption, a wireless charging technology is adopted, and the fan can be stably powered and can perform contactless heat dissipation within a distance of 1-20mm, so that safety and practicability are guaranteed.
The working process and principle are as follows: when charging, the battery of the outer shell can be charged by a special charger at 220V voltage, and electric energy is stored in the battery. When the magnetic fixing device is used, the magnets in the inner shell and the outer shell are used for magnetic adsorption and fixation within a certain distance. After the rocker switch of the outer shell is opened, current is generated in the wireless power supply transmitting coil of the outer shell, a magnetic field is formed, the closed circuit of the outer shell can generate changed magnetic flux, and therefore induced electromotive force can be generated between the transmitting coil of the outer shell and the receiving coil of the inner shell. The magnets arranged in the inner shell and the outer shell are fixed with the coils in the working and attracting states, and the magnetic flux generated by the magnets in the coils does not change, so that the magnets do not generate induction current to interfere with wireless power supply. The motor in the inner shell obtains electric energy, and the fan blades rotate to convert the electric energy into kinetic energy to generate wind power. When the work is finished, the rocker switch is only required to be in a closed state, no potential energy exists between the inner shell and the outer shell, and the fan stops working; or the inner shell and the outer shell are separated by a distance exceeding 20mm, the inner shell stops supplying power, and the fan stops working. A plurality of charged outer housings may be provided which are directly replaced in use to ensure continued power supply to the fan without the need to remove the inner housing.
It will be appreciated by those skilled in the art that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the utility model are intended to be embraced therein.
Claims (10)
1. The utility model provides a fan is inhaled to wireless power supply magnetism, includes shell, power and fan body, its characterized in that: the shell comprises an inner shell and an outer shell, the outer shell comprises an outer base and an outer top cover which are butted together from top to bottom, the outer shell is internally provided with a wireless power supply transmitting module and a wireless power supply transmitting coil which are electrically connected, the power supply is positioned in the outer shell and used for supplying power to the wireless power supply transmitting module, and first magnets are uniformly fixed on the periphery of the wireless power supply transmitting coil in the outer base; the inner casing includes inner base and the inlayer top cap that butt joint is in the same place from top to bottom, is equipped with wireless power supply receiving module and the wireless power supply receiving coil of electricity connection in the inner casing, the fan body includes the frame, has the pivot of blade and the rotatory motor of drive pivot, motor and wireless power supply receiving module electricity are connected, the frame is fixed on the inlayer top cap, has seted up the air outlet on the inlayer top cap, has seted up the air inlet on the wall of inlayer base, and the inlayer base is located the periphery of wireless power supply receiving coil and evenly is fixed with second magnet, and under the suction effect of first magnet and second magnet, when outer base and inlayer base adsorb together, wireless power supply transmitting coil and the coaxial setting of wireless power supply receiving coil.
2. The wirelessly powered magnetically attracted fan of claim 1, further comprising: the wireless power supply transmission module is characterized in that a battery box is fixedly arranged in the top cover of the shell, the power supply is installed in the battery box, and the wireless power supply transmission module is electrically connected with the battery box through a wire.
3. The wirelessly powered magnetic suction fan of claim 2, wherein: and switch grooves are respectively arranged at the positions where the shell base and the shell top cover are connected, and a switch connected with the power supply is installed in each switch groove.
4. The wirelessly powered magnetically attracted fan of claim 3, wherein: the battery box is fixedly adhered to the top cover of the shell through a hot melt adhesive, and the switch is fixedly adhered to the top cover of the shell through the hot melt adhesive.
5. The wirelessly powered magnetically attracted fan of claim 3, wherein: the wireless power supply emission module is fixedly bonded with the outer layer base through hot melt adhesive, and the wire contact and the circuit board are sealed through the hot melt adhesive.
6. The wirelessly powered magnetic suction fan of claim 1, wherein: the outer frame is fixed on the periphery of the air outlet of the inner layer top cover through hot melt adhesive, and the air outlet on the inner layer top cover is circular.
7. The wirelessly powered magnetic suction fan of claim 1, wherein: the inner layer top cover and the inner layer base are fixedly connected together through a buckle; the outer layer top cover and the outer layer base are fixedly connected together through a buckle.
8. The wirelessly powered magnetic suction fan of claim 7, wherein: the buckles are evenly distributed at the inner edge of the inner layer base and the inner edge of the outer layer base, the inner side of the inner layer top cover is clamped on the buckles of the inner layer base, and the inner side of the outer layer top cover is clamped on the buckles of the outer layer base.
9. The wirelessly powered magnetically attracted fan of claim 1, further comprising: the wireless power supply transmitting coil and the wireless power supply transmitting module are respectively connected with the outer layer base in an occlusion mode through grooves, and the wireless power supply receiving module is fixedly bonded with the outer frame of the fan body through hot melt adhesive.
10. The wirelessly powered magnetically attracted fan of claim 1, further comprising: the number of the first magnets and the number of the second magnets are equal, the number of the first magnets and the number of the second magnets are even, and one N pole of each first magnet faces upwards, and the other S pole of each first magnet faces upwards; in two adjacent second magnets, one N pole faces upwards, and the other S pole faces upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220541515.2U CN217010444U (en) | 2022-03-14 | 2022-03-14 | Wireless power supply magnetic suction fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220541515.2U CN217010444U (en) | 2022-03-14 | 2022-03-14 | Wireless power supply magnetic suction fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217010444U true CN217010444U (en) | 2022-07-19 |
Family
ID=82369058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220541515.2U Active CN217010444U (en) | 2022-03-14 | 2022-03-14 | Wireless power supply magnetic suction fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217010444U (en) |
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2022
- 2022-03-14 CN CN202220541515.2U patent/CN217010444U/en active Active
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