WO2020087708A1 - Hair drying apparatus - Google Patents

Abstract

A hair drying apparatus, comprising a body (200), an accommodating space (210), and a controller (500). The body (200) is provided therein with a fluid channel (201) used for allowing a fluid to pass through. The accommodating space (210) is configured within the body (200) and is in communication with the fluid channel (201), the fluid being allowed to flow through the accommodating space (210). The controller (500) is provided within the accommodating space (210). The hair drying apparatus has the controller (500) provided within the accommodating space (210) of the body (200), the accommodating space (210) is in communication with the fluid channel (201), and the fluid in the fluid channel (201) removes heat from the controller (500) when flowing, thus cooling the controller (500), and improving the applicability in the hair drying apparatus having a complex control part and an increased cooling requirement. Moreover, with the controller (500) provided within the accommodating space (210) of the body (200), the additional space taken up by the controller (500) is reduced, thus reducing the overall footprint of the hair drying apparatus.

Description

 Hair Dryer Technical Field

 [0001] The present invention relates to the technical field of hair drying devices, and in particular to a hair drying device.

 Background technique

 [0002] A hair drying device is a device capable of sucking fluid and discharging the fluid from the fluid outlet, the fluid can be heated before leaving the hair drying device, the user blows the fluid from the hair drying device onto the hair, Drys hair.

 Summary of the invention

 technical problem

 [0003] The hair drying device generally includes a controller that can perform temperature control and / or fluid flow control. The controller of the hair drying device in the related art is relatively simple, and there is no strong heat dissipation requirement. The controller is completely set in the handle with less space. However, for a more complicated hair drying device with a controller, the controller has a larger volume. If it is also set according to the prior art, the handle must be thickened, which will not only cause the hair drying device to be unsightly, but also It is convenient for the user to hold the hair drying device during use. In addition, complex controllers have relatively high heat dissipation requirements, and the small space in the handle is difficult to meet their heat dissipation requirements.

 Solution to the problem

 Technical solution

 [0004] The technical problem to be solved by the present invention is to provide a hair drying device, which can better meet the space requirements and heat dissipation requirements of a complex controller without increasing the size of the thickening hair drying device.

 [0005] In order to solve the above technical problems, the technical solutions adopted by the present invention are:

 [0006] A hair drying device comprising:

 [0007] a body part in which a fluid passage for passing a fluid is formed;

 [0008] a placement space disposed in the body and communicating with the fluid channel, the fluid can flow through the placement space; and

[0009] The controller is disposed in the placement space. Beneficial effects of invention

 Beneficial effect

 [0010] The beneficial effects of the present invention are: The hair drying device of the present invention is provided with a controller in a placement space of the body, the placement space is in communication with the fluid channel, and the fluid in the fluid channel can take away the heat of the controller when flowing In order to dissipate heat from the controller, it can be better applied to hair dryers with complicated control parts and high heat dissipation requirements. Moreover, placing the controller in the body space can also reduce the extra space occupied by the controller. Thereby reducing the overall volume of the hair drying device.

 Brief description of the drawings

 BRIEF DESCRIPTION

 [0011] FIG. 1 is an overall cross-sectional view of a hair drying device according to an embodiment of the present invention;

 [0012] FIG. 2 is a cross-sectional view of a body portion of a hair drying device according to an embodiment of the present invention;

 [0013] FIG. 3 is a cross-sectional view of a tube body of a hair drying device according to an embodiment of the present invention;

 [0014] FIG. 4 is a schematic structural diagram of a heater of a hair drying device according to an embodiment of the present invention;

 [0015] Reference number description:

 [0016] 100, handle; 101, third fluid channel; 112, first fluid inlet; 110, first end; 120, second end; 130, outer shell; 140, inner shell; 150, first seal; 160 , Bottom shell;

 [0017] 200, body; 201, fluid channel; 202, first fluid channel; 203, second fluid channel; 210

, Placement space; 211, first placement space; 212, second placement space; 221, second fluid inlet; 222, first fluid outlet; 223, second fluid outlet; 230, housing; 240, tube; 242 , Buckle; 254, the second end cap; 272, the extension of the tube body; 274, the first end cap;

 [0018] 300, heater; 310, inner layer; 320, outer layer; 330, heating element;

 [0019] 400, fan assembly; 410, fan; 420, motor; 430, motor cover;

 [0020] 500, a controller; 520, a first control unit; 540, a second control unit;

 [0021] 910. A filter;

 [0022] Among them, FIG. 2 is designated as the abstract drawing.

 Invention Example

Embodiments of the invention [0023] The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all Examples. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present invention.

 [0024] It should be noted that all the directional indicators (such as up, down, left, right, front, back ...

 ...) is only used to explain the relative positional relationship, movement, etc. of the components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indication also Change accordingly.

另外， 各个实施例之间的技术方案可以相互结合， 但是必须是以本领域普通技术人员 能够实现为基础， 当技术方案的结合出现相互矛盾或无法实现时应当认为这种 技术方案的结合不存在， 也不在本发明要求的保护范围之内。 [0025] In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated . Thus, limit

In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary people in the art to achieve. When the combination of technical solutions contradicts or cannot be realized, it should be considered that the combination of such technical solutions does not exist Is not within the scope of protection required by the present invention.

 Examples

 [0026] Please refer to FIG. 1, the first embodiment of the present invention is: a hair drying device, can be used for drying or shaping hair or other aspects. The hair drying device includes a handle 100 and a body 200. The handle 100 and the body 200 communicate with each other. The body 200 is provided with a fluid channel 201 for fluid to pass through. The fluid is usually air, or may be different gases or multiple types Different combinations of gases.

 [0027] The hair drying device further includes a placement space 210, which is disposed in the body 200 and communicates with the fluid channel 201, and the fluid in the fluid channel 201 can flow through the placement space 210. The placement space 210 is provided with a controller 500. The controller 500 is used to control the working condition of the entire hair drying device, such as controlling the temperature and wind speed of the hair drying device.

[0028] The fluid channel 201 includes a first fluid channel 202 and a second fluid channel 203, and the extending directions of the first fluid channel 202 and the second fluid channel 203 are substantially parallel. A first fluid passes through the first fluid channel 202, and a second fluid passes through the second fluid channel 203. The controller 500 is disposed in the first fluid channel 202 or the second fluid channel 203. Therefore, when the first fluid or the second fluid flows through the controller 500, the heat of the controller 500 can be taken away. The controller 500 dissipates heat. [0029] Specifically, the body 200 includes opposing first and second ends, and the handle 100 includes opposing first and second ends 110 and 120, and the second end 120 is connected to the first end. A second fluid inlet 221 is provided on the first end of the body 200, a first fluid outlet 222 and a second fluid outlet 223 are provided on the second end, and the second fluid outlet 223 is disposed adjacent to the first fluid outlet 222 ; The second fluid inlet 221 communicates with the second fluid outlet 223 to form a second fluid channel 203. A first fluid inlet 112 is provided on the first end 110 of the handle 100, and a third fluid channel 101 is provided on the handle 100. The third fluid channel 101 communicates with the first fluid channel 202. The first fluid may enter the third fluid channel 101 from the first fluid inlet 112 on the handle 100, pass through the first fluid channel 202, and flow out from the first fluid outlet 222 of the body 200. The second fluid may enter the second fluid channel 203 from the second fluid inlet 221 and flow out from the second fluid outlet 223.

 [0030] The handle 100 includes an outer shell 130 with an inner cavity, an inner shell 140 and a bottom shell 160, the top end of the inner shell 140 is connected to the body 200, the bottom end of the inner shell 140 is connected to the bottom shell 160, the specific connection method may be For snap connections, threaded connections, interference fit connections, etc. The outer shell 130 is sleeved on the outside of the inner shell 140, and the shell 130 and the inner shell 140 are connected by bolts.

 [0031] The first fluid inlet 112 is disposed on the bottom case 160. The first fluid inlet 112 includes a plurality of through holes, and the plurality of through holes are evenly distributed on the bottom case 160. A filter 910 is provided inside the bottom case 160 for filtering the first fluid passing through the first fluid inlet 112. The third fluid channel 101 passes through the inside of the inner shell 140. The top of the housing 130 is in contact with the body 200, and the connection between the housing 130 and the body 200 is provided with a first seal 150, which can ensure the tightness of the connection between the first fluid channel 202 and the third fluid channel 101.

[0032] In this embodiment, the third fluid channel 101 is provided with a fan assembly 400 for sucking the first fluid through the first fluid inlet 112 into the third fluid channel 101, that is, the fan assembly 400 is located inside the handle 100 In the housing 140, of course, in other embodiments, the fan assembly 400 may also be disposed in the body 200, for example, the first fluid channel 202 or the second fluid channel 203. The fan assembly 400 includes a motor 420, a fan 410, and a motor cover 430. In this embodiment, the motor 420 is a high-speed motor with a rotation speed of more than 60 krpm. In other embodiments, the motor 420 may also be a motor with a rotation speed of less than 60 krpm. The motor cover 430 is placed outside the motor 420. The exterior of the motor cover 430 is in contact with the inner wall of the inner housing 140. The power output end of the motor 420 is connected to the fan 410. The motor 420 drives the fan 410 to rotate and draws the first fluid into the handle 100. Accelerate and make it flow out from the first fluid outlet 222 of the body 200 at high speed. When the fan assembly 400 drives the first fluid in the third fluid channel 101 and the first fluid channel 202 to flow out from the first fluid outlet 222 at high speed, Due to the Bernoulli effect, the high-speed airflow can drive the flow of the second fluid at the adjacent second fluid outlet 223, thereby guiding the outflow of the second fluid in the second fluid passage 203, and increasing the air volume.

 [0033] With reference to FIGS. 1 and 2, the placement space 210 of the second embodiment includes a first placement space 211 and a second placement space 212, the first fluid channel 202 communicates with the first placement space 211, and the second fluid channel 203 communicates with The second placement space 212 communicates. The body 200 specifically includes a cylindrical housing 230 and a tube body 240. The housing 230 extends around the tube body 240, and the tube body 240 and the housing 230 are arranged in parallel in the axial direction. The space between the housing 230 and the tube body 240 is the first placement space 211, and the space inside the tube body 240 is the second placement space 212. The first fluid in the first fluid channel 202 can flow through the first placement space 211, and the second fluid in the second fluid channel 203 can flow through the second placement space 212.

 [0034] The controller 500 includes at least two independent control parts, the controller 500 may be completely located in the first placement space 211, or completely located in the second placement space 212, or a part of the controller 500 is placed in the first placement In the space 211, another part of the controller 500 is placed in the second placement space 212. In this embodiment, the controller 500 includes two parts: a first control unit 520 and a second control unit 540, and the first control unit 520 and the second control unit 540 are connected by a pin or cable. The first control part 520 is mainly used to control the working state of the motor 420, and the second control part 540 is used to control the working state of other functional elements. Of course, in other embodiments, the functions of the first control unit 520 and the second control unit 540 may also be exchanged or changed.

 [0035] In one embodiment, the first control section 520 is disposed in the first placement space 211, and the second control section 540 is disposed in the second placement space 212; in another embodiment, the first control section 520 Set in the second placement space 212, the second control section 540 is placed in the first placement space 211; In yet another embodiment, the first control section 520 and the second control section 540 are both placed in the first placement space 211 In this embodiment, the first control unit 520 and the second control unit 540 are both provided in the second storage space 212, that is, the first control unit 520 and the second control unit 540 are both provided inside the tube body 240. A gap is provided between the first control part 520 and the second control part 540 to ensure that the second fluid in the second fluid channel 203 is sufficiently in contact with the upper and lower sides of the first control part 520 and the upper and lower sides of the second control part 540 Contacting, so as to exert the best heat dissipation effect on the first control part 520 and the second control part 540.

[0036] Further, the plane where the first control portion 520 is located and the plane where the second control portion 540 is located are parallel to the flow direction of the second fluid in the second fluid channel 203, and are also parallel to the axial direction of the tube body 240, so To ensure that the presence of the first control unit 520 and the second control unit 540 does not affect the second Fluid flow has an effect.

 [0037] Further, the first control section 520 includes a first circuit board, the second control section 540 includes a second circuit board, the first circuit board and the second circuit board may be a PCB board, the first circuit board and the second circuit The board is relatively set. The shapes of the first circuit board and the second circuit board can better adapt to the internal structure of the tube body 240. In this embodiment, the first circuit board and the second circuit board are both rectangular, and can be aligned with the axial direction of the tube body 240 The cross-section fits better. Of course, in other embodiments, the shapes of the first circuit board and the second circuit board may also be circular, diamond-shaped, or other irregular shapes.

 [0038] With reference to FIGS. 2 and 3, in the third embodiment, the inner wall of the tube body 240 is provided with two buckle positions 242, and the first control portion 520 and the second control portion 540 are respectively locked to a corresponding buckle In position 242, in order to limit the controller 500 in the radial direction of the tube body 240. The second fluid inlet 221 is provided with a tube extension portion 272, the second fluid outlet 223 is provided with a second end cap 254, and the front and rear ends of the first control portion 520 and the second control portion 540 respectively resist the second end The cover 254 and the tube body extension 272 are used to limit the controller 500 in the axial direction of the tube body 240. A first end cap 274 is provided on the upper cover of the tube extension portion 272, the first end cap 274 is used to partially block the second fluid inlet 221; the second end cap 254 is used to partially block the second fluid outlet 223, the first end The cover 274 and the second end cover 254 may protect the controller 500 in the second fluid channel 203. When the second fluid in the second fluid channel 203 flows, the heat generated in the controller 500 can be taken away, and a good heat dissipation effect can be achieved.

 [0039] The hair drying device further includes a heater 300 for heating the fluid in the fluid channel 201. The heater 300 may be disposed in the first fluid channel 202 or the second fluid channel 203. In an embodiment, the heater 300 and the controller 500 are located in the same fluid channel 201, and along the fluid flow direction in the corresponding fluid channel 201, the controller 500 is disposed upstream of the heater 300 to ensure that the heater 300 The heating effect does not affect the heat dissipation effect of the controller 500. In this embodiment, the heater 300 is disposed in the first placement space 211, the controller 500 is disposed in the second placement space 212, and along the fluid flow direction in the second fluid channel 203, the controller 500 is at least partially heated by the heater 300 is surrounded by, specifically, the controller 50 near the second fluid outlet 223 is at least partially surrounded by the heater 300. The arrangement of this embodiment can reduce the length of the body 200 of the hair drying device to a certain extent, making it more compact, and the heater 300 has less influence on the controller 500.

[0040] As shown in FIG. 4, the heater 300 has a ring shape, which includes an inner layer 310, an outer layer 320, and a heating element 330. The thermal element 330 is located between the inner layer 310 and the outer layer 320. The ring-shaped heater 300 is located in the first fluid channel 202 having a ring-shaped cross section, and the controller 500 is partially located in the inner layer 310 of the heater 300.

 In summary, the hair drying device provided by the present invention sets the controller 500 in the placement space 210 of the body 200, the placement space 210 communicates with the fluid channel 201, and the fluid in the fluid channel 201 can take away control when flowing The heat of the appliance 500, thereby dissipating the heat of the controller 500, which can be better applied to a hair drying device with complicated control parts and high heat dissipation requirements; and the controller 500 is installed in the placing space 210 of the body 200, and The additional space occupied by the controller 500 is reduced, thereby reducing the overall volume of the hair drying device.

 [0042] The above is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformation made by the description and drawings of the present invention, or directly or indirectly used in related technical fields, are the same. The theory is included in the patent protection scope of the present invention.

Claims

Claims  [Claim 1] A hair drying device, characterized in that it comprises:  A body part, a fluid channel for fluid to pass through is formed in the body part; a placement space is also provided in the body part, the placement space communicates with the fluid channel, and the fluid can flow through the placement space; as well as  The controller is set in the storage space.  [Claim 2] The hair drying device according to claim 1, wherein the placement space includes a first placement space and a second placement space, and the body includes a tube body and a body extending around the tube body A housing; the space between the housing and the tube is the first placement space, and the space inside the tube is the second placement space;  The fluid channel includes a first fluid channel and a second fluid channel, the first fluid channel communicates with the first placement space, the second fluid channel communicates with the second placement space, the first fluid Fluid in the channel can flow through the first placement space, fluid in the second fluid channel can flow through the second placement space; the controller is located in the first placement space or / and the second placement Inside the space.  [Claim 3] The hair drying device according to claim 2, wherein the controller is provided in the second storage space, a buckle is provided on the inner wall of the tube, and the controller The card is set in the buckle.  [Claim 4] The hair drying device according to any one of claims 1-3, wherein the controller includes a first control unit and a second control unit, and the first control unit and the second control The parts are connected by a pin or cable.  [Claim 5] The hair drying device according to claim 4, wherein the first control unit includes a first circuit board, and the second control unit includes a second circuit board, and the first circuit board Set opposite to the second circuit board.  [Claim 6] The hair drying device according to claim 5, wherein the first circuit board and the second circuit board are rectangular. [Claim 7] The hair drying device according to claim 4, wherein the plane where the first control part is located and the plane where the second control part is located and the fluid flow in the fluid channel The directions of movement are parallel.  [Claim 8] The hair drying device according to claim 4, wherein the first control unit and the second control unit are parallel, and there is provided between the first control unit and the second control unit spacing.  [Claim 9] The hair drying device according to claim 2, wherein the inlet end of the second fluid channel is provided with a tube extension portion, and the outlet end of the second fluid channel is provided with a second end Cover, the two ends of the controller respectively bear against the extension part of the tube body and the second end cover [Claim 10] The hair drying device according to claim 2, further comprising a heater, the heater being provided in the first placement space or the second placement space.  [Claim 11] The hair drying device according to claim 10, wherein the heater is provided in the first storage space, and the controller is provided in the second storage space, the The controller is at least partially surrounded by the heater.  [Claim 12] The hair drying device according to claim 10, wherein the controller is provided upstream of the heater along the fluid flow direction in the fluid channel.  [Claim 13] The hair drying device according to claim 10, wherein the heater includes an inner layer, an outer layer, and a heating element, and the heating element is located between the inner layer and the outer layer.  [Claim 14] The hair drying device according to claim 10, wherein the heater is ring-shaped