CN113349539A

CN113349539A - Wireless electric hair drier

Info

Publication number: CN113349539A
Application number: CN202110547318.1A
Authority: CN
Inventors: 张亚飞; 吴鸿斌; 宋国平; 赵宇波
Original assignee: Shenzhen Institute for Innovative Design Co Ltd
Current assignee: Shenzhen Institute for Innovative Design Co Ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-09-07

Abstract

The invention discloses a wireless electric hair drier which is a wireless electric hair drier and comprises an air cylinder, a handle part, a fan, a battery pack and a heating module; the fan sets up in handle portion, and the battery pack sets up in the dryer with the heating module, and the fan is used for driving the air current to blow off from the air outlet of dryer through battery pack and heating module in proper order. Through the mode, the scene applicability of the electric hair drier can be effectively enhanced, and the air outlet temperature can be effectively improved.

Description

Wireless electric hair drier

Technical Field

The invention relates to the field of electric hair dryers, in particular to wireless electric hair dryers.

Background

The electric hair dryer usually comprises an electric heating device and a fan, wherein the fan is used for blowing heat generated by the electric heating device out of an air outlet.

The traditional electric hair drier is provided with a power cord and can be used after being connected with commercial power. A hair dryer with a power cord must be used near a power outlet when power is supplied, and has poor applicability.

Disclosure of Invention

The invention provides a wireless hair dryer, which solves the problem that the use scene of a wired hair dryer is limited in the prior art.

In order to solve the technical problems, the invention adopts a technical scheme that: the wireless hair drier comprises a wind barrel, a handle part, a fan, a battery pack and a heating module; the fan is arranged in the handle part, the battery pack and the heating module are arranged in the air duct, and the fan is used for driving air flow to sequentially blow out from an air outlet of the air duct through the battery pack and the heating module.

According to an embodiment adopted by the invention, the handle part comprises a first accommodating space, the air duct comprises a second accommodating space, the fan is arranged in the first accommodating space, and the battery pack and the heating module are arranged in the second accommodating space; the first accommodating space is communicated with the second accommodating space, an air inlet is formed in one end, far away from the second accommodating space, of the first accommodating space, and the heating module and the fan are electrically connected with the battery pack.

According to an embodiment adopted by the invention, the battery pack is detachably mounted in the air duct, and an isolation net is further arranged between the air duct and the heating module.

According to an embodiment of the present invention, the battery pack includes a first fixing plate, a plurality of battery receiving cylinders disposed on the first fixing plate and around a first axis in the air duct, and batteries disposed in the battery receiving cylinders; wherein, a plurality of through holes are arranged on the side wall of the battery accommodating cylinder along the length and the circumferential direction.

According to an embodiment of the present invention, a hollow portion is formed between the battery accommodating cylinders, the connection ports of the first accommodating space and the second accommodating space communicate with the hollow portion, and a notch portion is provided on one side of the battery accommodating cylinder facing the hollow portion so that the battery directly contacts the hollow portion.

According to an embodiment of the present invention, the plurality of battery receiving cylinders are hermetically connected to each other, and two battery receiving cylinders located at both ends of the plurality of battery receiving cylinders are spaced apart from each other and form communication holes for connecting the hollow portions and the connection ports.

According to an embodiment of the present invention, the heating module includes a heating cylinder and a heating assembly, the heating cylinder includes a heating channel communicated with the hollow portion, the heating assembly is disposed in the heating channel, wherein the heating cylinder and the air cylinder are disposed at an interval, and a diameter of the heating channel is smaller than or equal to a diameter of the hollow portion.

According to an embodiment of the present invention, the heating assembly includes a plurality of isolation plates, ends of the isolation plates are arranged around a second axis of the heating channel, a distance between adjacent isolation plates is gradually increased along a direction away from the second axis, and the heating belt is arranged on the isolation plates and spirally arranged around the second axis.

According to an embodiment adopted by the invention, a clamping groove is arranged in the middle of the plurality of isolation plates, and the plurality of isolation plates are mutually clamped through the plurality of clamping grooves; the two sides of the isolating plate in the direction of the second axis are located on the clamping grooves, a plurality of strip passing grooves are further formed between the end portions, and the strip passing grooves are used for placing the heating strips.

According to an embodiment adopted by the invention, the heating assembly further comprises a connecting piece, wherein the connecting piece is provided with a plurality of avoidance grooves arranged around the second axis and clamped on the plurality of isolation plates through the avoidance grooves; the heating assemblies can be arranged along a first axis, and the heating assemblies are connected through the connecting piece.

Has the advantages that: be different from prior art, the application provides through providing a wireless hairdryer, supply power for fan and heating module respectively through directly setting up the group battery in the dryer, can realize the effect of wireless hairdryer, effectual improvement scene suitability, and further, through setting up the fan in the dryer, and set up group battery and heating module on the wind path of the wind current that the fan blew off, make the wind current when in proper order via group battery and heating module on the one hand, thereby all heat so that the wind that blows off from the air outlet has better heat, on the other hand can effectually dispel the heat to the group battery, thereby make the discharge efficiency of reinforcing group battery and prolong the whole life of battery.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of a wireless hair dryer provided by the invention;

FIG. 2 is a schematic view of the battery pack and the heating module in the cordless hair dryer shown in FIG. 1;

FIG. 3 is a schematic perspective view of a heating module in a wireless hair dryer shown in FIG. 1;

fig. 4 is a perspective view of the handle part of the cordless electric hair dryer shown in fig. 1;

fig. 5 is a schematic perspective view of the air duct in the wireless air blower shown in fig. 1;

FIG. 6 is a schematic view of the motor and the air duct of the cordless hair dryer shown in FIG. 1;

fig. 7 is a schematic perspective view of a battery receiving container 420 in the battery pack of fig. 2;

FIG. 8 is a schematic perspective view of a heating element of the heating module shown in FIG. 3;

FIG. 9 is a schematic perspective view of another angle of the heating assembly of FIG. 8;

FIG. 10 is a schematic perspective view of a spacer plate of the heating assembly of FIG. 8;

fig. 11 is a perspective view of a connector in the heating assembly of fig. 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 11, the present invention provides a wireless hair dryer 10, wherein the wireless hair dryer 10 includes a wind barrel 100, a handle 200, a blower 300, a battery pack 400 and a heating module 500. The fan 300 is disposed in the handle portion 200, and the battery pack 400 and the heating module 500 are disposed in the air duct 100. Optionally, the fan 300 is used for driving an air flow to be blown out from the air outlet 101 of the air duct 100 through the battery pack 400 and the heating module 500 in sequence.

Optionally, the air outlet 101 is located at an end of the air duct 100, which is far away from the battery pack 400 relative to the heating module 500.

In the above embodiment, the battery pack 400 is directly arranged in the air duct 100 to respectively supply power to the fan 300 and the heating module 500, so that the effect of the wireless hair dryer can be realized, and further, the fan 300 is arranged in the air duct 100, and the battery pack 400 and the heating module 500 are arranged on the air path of the air flow blown out by the fan 300, on one hand, when the air flow sequentially passes through the battery pack 400 and the heating module 500, the air flow is heated, so that the air blown out from the air outlet 101 has better heat, on the other hand, the heat of the battery pack 400 can be effectively dissipated, so that the discharging efficiency of the battery pack 400 is enhanced, and the service life of the whole battery is prolonged.

As shown in fig. 4 and 5, the handle 200 includes a first accommodating space 210, the air duct 100 includes a second accommodating space 110, and optionally, the first accommodating space 210 and the second accommodating space 110 may have a cylindrical shape. The blower 300 is disposed in the first receiving space 210, and the battery pack 400 and the heating module 500 are disposed in the second receiving space 110.

The first accommodating space 210 is communicated with the second accommodating space 110, an air inlet 211 is formed at one end of the first accommodating space 210, which is far away from the second accommodating space 110, and the heating module 500 and the fan 300 are electrically connected with the battery pack 400.

In an alternative embodiment, the battery pack 400 may be detachably mounted in the air duct 100, and the separation net 120 is further disposed between the air duct 100 and the heating module 500.

Optionally, by detachably connecting the battery pack 400 to the air duct 100, the battery pack 400 can be detached and replaced by a battery, which effectively enhances the applicability of the radio blower 10 in outdoor scenes.

And through set up separation net 120 at dryer 100 and heating module 500, can prevent to dismantle the back to dryer 100, the user touches with heating module 500 carelessly to improve the safety in utilization.

In other embodiments, the wireless hair dryer 10 may further include a charging port (not shown) electrically connected to the battery pack 400 to facilitate charging of the battery pack 400.

As shown in fig. 2 and 7, the battery pack 400 includes a first fixing plate 410, a plurality of battery receiving cylinders 420 disposed on the first fixing plate 410 and disposed around a first axis (i.e., a central axis) in the air duct 100, and batteries 430 disposed in the battery receiving cylinders 420.

In an alternative embodiment, when the battery pack 400 is mounted on the air duct 100, the first fixing plate 410 abuts against an end of the air duct 100 so that the first fixing plate 410 protrudes out of the second accommodating space 110, thereby facilitating detachment of the battery pack 400 from the air duct 100.

In an alternative embodiment, the sidewall of the battery receiving container 420 is provided with a plurality of through holes 421 along the length and the circumference, and the through holes 421 facilitate direct contact between the wind flow and the batteries in the battery receiving container 420, thereby facilitating heat removal from the batteries 430 to dissipate heat from the batteries 430.

Alternatively, a hollow portion 440 is formed between the plurality of battery receiving cylinders 420, and the connection ports of the first receiving space 210 and the second receiving space 110 communicate with the hollow portion 440, that is, when the wind driven by the fan 300 blows from the connection ports to the hollow portion 440.

In other embodiments, a side of the battery receiving cylinder 420 facing the hollow portion 440 is provided with a notched portion 422 so that the battery 430 directly contacts the hollow portion 440, so that wind current may directly thermally interact with the battery 430.

As shown in fig. 7, the plurality of battery receiving cylinders 420 are hermetically connected to each other and disposed around the hollow portion 440, and two battery receiving cylinders 420 positioned at both ends of the plurality of battery receiving cylinders 420 are spaced apart from each other and form communication holes 441 connecting between the hollow portion 440 and the connection ports.

In an alternative embodiment, a plurality of penetration holes 421 may be provided on a sidewall of the battery receiving case 420 facing the hollow portion 440.

As shown in fig. 3, the heating module 500 includes a heating cartridge 510 and a heating element 520, the heating cartridge 510 includes a heating passage 511 communicating with the hollow portion 440, and the heating element 520 is disposed in the heating passage 511. Optionally, the heating cylinder 510 is spaced apart from the air duct 100, and by spacing the heating cylinder 510 from the air duct 100, heat of the heating cylinder 510 is prevented from being directly transmitted to the air duct 100, thereby preventing injury to a user.

And optionally, the diameter of the heating passage 511 is smaller than or equal to the diameter of the hollow portion 440.

In an alternative embodiment, the interface between the heating channel 511 and the hollow portion 440 perpendicular to the axis may be circular, and the diameter of the heating channel 511 is smaller than or equal to the diameter of the hollow portion 440, in another alternative embodiment, the interface between the heating channel 511 or the hollow portion 440 perpendicular to the axis may be other shapes, and the radial distance of the heating channel 511 is smaller than or equal to the radial distance of the hollow portion 440, which is not limited herein.

By making the diameter of the heating passage 511 smaller than or equal to the diameter of the hollow portion 440 and the diameter of the hollow portion 440 smaller than the diameter of the wind duct 100, the wind speed can be effectively increased.

As shown in fig. 8 and 9, the heating assembly 520 includes a plurality of partition plates 521, end portions 524 of the plurality of partition plates 521 are disposed around a second axis (central axis) of the heating passage 511, a distance between adjacent partition plates 521 is gradually increased in a direction away from the second axis, and a heating belt 522 is disposed on the partition plates 521 and spirally disposed around the second axis.

That is, alternatively, any two adjacent partition plates 521 may be arranged in a "V" shape in the circumferential direction around the second axis direction. And the heating belt 522 can be spirally arranged on the isolation plate 521 and be provided with a plurality of circles around the second axis, so that the whole surface area of the whole heating belt 522 can be effectively increased, the contact area between the air flow and the heating belt 522 is further enhanced, and the heating efficiency can be effectively improved.

In alternative embodiments, the heating band 522 may be made of an iron-based amorphous alloy or a nickel, chromium, aluminum, iron crystalline alloy. The heating belt 522 may be an ultra-thin flat belt. The heating belt 522 may have a width of 2.0mm to 20mm and a thickness of 0.001mm to 0.07 mm. The heating belt 522 has a large surface area, and can efficiently transfer heat to the surrounding environment when the temperature of the belt is low after power is turned on, and has no open fire, danger due to combustion of oxygen or dust, and no unpleasant feeling such as odor and suffocation. Meanwhile, the ultrathin flat belt has light weight and small heating inertia, cannot store heat energy, can convert most of electric energy into heat energy, has high energy conversion efficiency, can emit most of heat to surrounding areas, and has performance far exceeding that of a conventional heating element.

As shown in fig. 10, a plurality of blocking plates 521 are provided with a locking groove 523 in the middle, and optionally, the blocking plates 521 are provided with locking grooves 523 on two side surfaces along the second axis, and the blocking plates 521 are mutually locked by the locking grooves 521. I.e., both ends 524 of the plurality of separator plates 521 are disposed about the second axis.

The isolation plate 521 is further provided with a plurality of passing grooves 525 along the position between the clamping groove 523 and the end portion 524, and the passing grooves 525 can be particularly used for placing the heating belt 522.

In an alternative embodiment, the notches of the strap passing slots 525 are also provided with protrusions to reduce the width of the notches, thereby allowing for better seating of the heating strap 522 within the strap passing slots 525.

In an alternative embodiment, the isolation plate 521 is provided with a plurality of passing grooves 525 on both sides along the second axis direction, so that the installation density of the heating belt 522 relative to the isolation plate 521 can be effectively enhanced.

As shown in fig. 9 and 10, the heating assembly 520 further includes a connector 526, the connector 526 is provided with a plurality of avoiding grooves 527 arranged around the second axis, and the connector 526 can be clamped on the plurality of partition plates 521 through the avoiding grooves 527.

In an alternative embodiment, the heating assembly 520 may be multiple and arranged along the first axis, and the multiple heating assemblies 520 are connected by a connector 526.

In an alternative embodiment, the isolation plate 521 generates a supporting force on the heating belt 522, so that the heating belt 522 has a small supporting span and a high natural frequency, and vibration and noise generated by the heating belt 522 in the wind blowing process are reduced. And the passing grooves 525 of the adjacent partition plates 521 are distributed in a staggered manner in the length direction (radial direction) of the partition plates 521, so that the heating belt 522 can be in a spiral shape, and the overall rigidity of the heating belt 522 can be enhanced.

In other embodiments, the plurality of isolation plates 521 may also be fixed to the connecting member 526 by one end, and the other end of the plurality of isolation plates 521 is disposed around the connecting member 526, which is not limited herein.

As shown in fig. 8, the heating assembly 520 further includes a connection terminal 531 for connecting the heating belt 522 and the battery pack 400, a fuse 532, and a temperature controlled switch 533.

Alternatively, the connection terminal 531 may be fixedly mounted on the partition plate 521. The connection terminal 531 may be made of steel, aluminum, copper, or an alloy thereof. In addition, the connection terminals 531 may also enhance the heat radiation performance of the heating belt 522. Since the wind speed is low at the connection terminal 531 of the heating tape 522, overheating is likely to occur, and the connection at the connection terminal 531 enhances heat dissipation. Alternatively, the connection terminal 531 may specifically include an input terminal and an output terminal.

In an alternative embodiment, a fuse 532 and a temperature-controlled switch 533 may be connected in series with the heating belt 522, the temperature-controlled switch 533 is configured to automatically open when a certain temperature is exceeded, and the temperature-controlled switch 533 and the fuse 532 perform a double protection function to prevent the current of the circuit from being too large and damaging the device or causing a danger.

To sum up, this application provides through providing a wireless hair-dryer 10, supply power for fan 300 and heating module 500 respectively through directly setting up group battery 400 in dryer 100, can realize the effect of wireless hairdryer, and further, through setting up fan 300 in dryer 100, and set up group battery 400 and heating module 500 on the wind path of the wind current that fan 300 blew off, make the wind current when in proper order via group battery 400 and heating module 500 on the one hand, thereby all heat so that the wind that blows off from air outlet 101 has better heat, on the other hand can effectually dispel the heat to group battery 400, thereby make reinforcing group battery 400 discharge efficiency and prolong the whole life of battery. And by setting the battery pack 400 to be detachable, the battery pack 400 can be replaced in time after the battery pack 400 is aged.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent results or equivalent flow transformations performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A wireless electric hair drier is characterized by comprising an air duct, a handle part, a fan, a battery pack and a heating module;

the fan is arranged in the handle part, the battery pack and the heating module are arranged in the air duct, and the fan is used for driving air flow to sequentially blow out from an air outlet of the air duct through the battery pack and the heating module.

2. A wireless hair dryer according to claim 2, wherein the handle portion comprises a first receiving space, the air duct comprises a second receiving space, the blower is disposed in the first receiving space, and the battery pack and the heating module are disposed in the second receiving space;

the first accommodating space is communicated with the second accommodating space, an air inlet is formed in one end, far away from the second accommodating space, of the first accommodating space, and the heating module and the fan are electrically connected with the battery pack.

3. A wireless hair dryer according to claim 1, wherein the battery pack is detachably mounted in the air duct, and an isolation net is further arranged between the air duct and the heating module.

4. A wireless hair dryer according to claim 2, wherein the battery pack comprises a first fixing plate, a plurality of battery receiving cartridges disposed on the first fixing plate and disposed about a first axis in the air duct, and batteries disposed in the battery receiving cartridges;

wherein, a plurality of through holes are arranged on the side wall of the battery accommodating cylinder along the length and the circumferential direction.

5. The cordless hair dryer according to claim 4, wherein a hollow part is formed between the battery receiving cylinders, the connection ports of the first receiving space and the second receiving space are communicated with the hollow part, and a notch part is provided on one side of the battery receiving cylinders facing the hollow part, so that the battery is directly contacted with the hollow part.

6. The cordless hair dryer according to claim 5, wherein the plurality of battery receiving cylinders are hermetically connected to each other, and two battery receiving cylinders located at both ends of the plurality of battery receiving cylinders are spaced apart from each other and form a communication hole for connecting the hollow part and the connection port.

7. Wireless hair dryer according to claim 5, characterized in that said heating module comprises a heating cartridge and a heating assembly, said heating cartridge comprising a heating channel communicating with said hollow portion, said heating assembly being arranged in said heating channel,

the heating barrel and the air barrel are arranged at intervals, and the diameter of the heating channel is smaller than or equal to that of the hollow part.

8. The cordless hair dryer of claim 7, wherein the heating assembly comprises a plurality of partition plates and a heating belt, ends of the partition plates are arranged around a second axis of the heating channel, the distance between adjacent partition plates is gradually increased along the direction far away from the second axis, and the heating belt is arranged on the partition plates and spirally arranged around the second axis.

9. The wireless electric hair drier according to claim 8, wherein a clamping groove is arranged in the middle of the plurality of isolating plates, and the plurality of isolating plates are mutually clamped through the plurality of clamping grooves;

the two sides of the isolating plate in the direction of the second axis are located on the clamping grooves, a plurality of strip passing grooves are further formed between the end portions, and the strip passing grooves are used for placing the heating strips.

10. The cordless hair dryer of claim 9, wherein the heating assembly further comprises a connecting member, the connecting member is provided with a plurality of avoiding grooves arranged around the second axis, and the avoiding grooves are clamped on the plurality of partition plates;

the heating assemblies can be arranged along a first axis, and the heating assemblies are connected through the connecting piece.