A negative ion hair dryer

Abstract

The utility model belongs to the technical field of household appliances, disclose a kind of negative ion hair dryer, including main body shell, handle protruding in the bottom of main body shell, heating assembly being arranged in the main body shell, motor, negative ion generator, emitter, the front end of main body shell is provided with air outlet, heating assembly is set up close to air outlet compared with motor, hair dryer further include the first cover body and the second cover body connected with the first cover body of first cover body being sleeved in the outer periphery of motor, control panel is installed in the second cover body, the first cover body is relatively radially inwards retracted to the second cover body, negative ion generator is fixed between the outer periphery wall of the first cover body and main body shell. The motor in the main body shell, heating assembly and control panel of the application realize reasonable arrangement, the limited space of main body shell is maximized to utilize, to reduce the thermal influence of negative ion generator while realizing small size, improve service life and optimize negative ion hair blowing effect.

Description

Technical Field

[0001] This utility model belongs to the field of household appliance technology, specifically relating to a negative ion hair dryer. Background Technology

[0002] As users have deeper needs for healthy hair care, negative ion hair dryers have emerged.

[0003] For example, patent CN208875479U discloses a negative ion emitting device for a hair dryer, in which the negative ion emitting end is placed in the negative ion emitting channel, and the negative ion emitting channel and the blowing channel are completely separated, with air circulating independently in the two channels, reducing the temperature influence of the air in the blowing channel on the air in the negative ion emitting channel. However, because the negative ion generator is a large block structure, and due to the limited installation space of the hair dryer body, this solution, where the negative ion generator is located in the blowing channel, is still affected by the heat radiation of the air in the blowing channel, causing a decrease in the performance of the negative ion generator, aging, damage, and a reduction in the negative ion generation efficiency.

[0004] For example, patent CN100488401C discloses a hair dryer with a negative ion generator. The negative ion generator is disposed inside the housing, the heater is disposed in the first airflow channel, and the negative ion generator is disposed in the second airflow channel. The second airflow channel provides a flow of cold air containing negative ions generated by the negative ion generator. Although this solution uses an isolation wall, it only partially separates the heater. The heater and the negative ion generator are spaced apart, and the first and second airflow channels need to be connected. Therefore, even though the heater and the negative ion generator are isolated by a single layer of wall, the hot air circulates continuously within the airflow channels, filling the entire inner cavity of the housing. The hot airflow in the inner cavity has a thermal effect on the negative ion generator. At the same time, the heating of the housing wall that fixes the negative ion generator also has a thermal effect on the negative ion generator. Furthermore, the internal circuitry and components (such as transistors and capacitors) of the negative ion generator are prone to performance degradation or damage at high temperatures, resulting in the inability to stably generate negative ions.

[0005] Therefore, in existing hair dryers, without expanding the housing, the installation of the negative ion generator is limited by the housing's limited installation space, and cannot avoid the influence of heated air, which can lead to heat damage. Utility Model Content

[0006] This utility model provides a negative ion hair dryer, which aims to further solve the technical problem that the negative ion generator is easily overheated, resulting in unstable negative ion generation or even damage to the negative ion generator, in a more optimized small-volume installation space without increasing the volume of the main body shell.

[0007] The technical solution adopted in this utility model is as follows:

[0008] This utility model provides a negative ion hair dryer, including a main body shell, a handle protruding from the bottom of the main body shell, a heating element disposed inside the main body shell, a motor, a negative ion generator, and an emitting electrode electrically connected to the negative ion emitter. An air outlet is provided at the front end of the main body shell. The heating element is disposed closer to the air outlet than the motor. The hair dryer also includes a mounting cover located inside the main body shell. The mounting cover includes a first cover body fitted around the outer periphery of the motor and a second cover body connected to the first cover body. A control board is installed inside the second cover body. The first cover body is radially inward relative to the second cover body. The negative ion generator is fixed between the outer peripheral wall of the first cover body and the main body shell.

[0009] This utility model provides a negative ion hair dryer. The mounting cover includes a first cover fitted around the outer periphery of the motor and a second cover connected to the first cover. The second cover is used to mount and protect the control board. The first cover is fitted around the outer periphery of the motor, thus it gathers the cold air driven by the motor and guides the cold air along the inner cavities of the first and second covers to the heating element. The cold air is heated by the heating element and becomes hot air, which is then concentrated and discharged from the air outlet. The negative ion generator is fixed between the outer peripheral wall of the first cover and the main body shell. The negative ion generator and the heating element are radially offset in the main body shell and separated by the first and second covers. At the same time, the hot air near the heating element is collected inside by the first and second covers, and the heat will not directly radiate to the negative ion generator, reducing the heat impact on the negative ion generator, improving the performance and negative ion generation efficiency of the negative ion generator, extending its service life, and ensuring that it can still stably generate negative ions after long-term use, thus improving the smoothness of hair during blow-drying. In addition, since the control board occupies more radial space than the motor to meet the control functions of the heating components, motor, etc., the first cover shrinks radially inward relative to the second cover, realizing the compact structure of the mounting cover and motor. The negative ion generator is fixed between the outer peripheral wall of the first cover and the main shell, so there is no need to expand the size of the main shell, realizing the efficient use of the internal space of the main shell, realizing the miniaturization of the hair dryer, and making it convenient for users to pick up and store.

[0010] In summary, this application adopts an improved mounting cover structure to achieve a reasonable arrangement of the motor, heating components and control board inside the main body shell, maximizing the use of the limited space of the main body shell, so as to reduce the thermal impact of the negative ion generator, improve its service life and optimize the negative ion blowing effect while achieving miniaturization.

[0011] In a preferred embodiment, the control board is located between the motor and the heating element, and the first cover is connected to the end of the second cover away from the heating element.

[0012] By positioning the control board between the motor and the heating element, the cool air driven by the motor can first pass through the control board, thus dissipating heat and extending its lifespan. Simultaneously, it achieves efficient airflow utilization; the cool air exchanges heat with the control board, preheating it so that it can quickly generate hot air when passing the heating element, improving the hairdryer's hot air efficiency, reducing the power requirement of the heating element, and achieving energy savings. Regardless of whether the air inlet is located at the rear of the main body or on the handle, the control board's position between the motor and the heating element brings the motor closer to the air inlet, improving airflow efficiency and accelerating airflow circulation. The first cover is connected to the end of the second cover furthest from the heating element. Correspondingly, the negative ion generator is further away from the heating element along the axis of the main body, further reducing the heat impact from distance. Furthermore, the second cover's radial direction is larger than the first cover, and the second cover itself, along with the converging steps formed between the second and first covers, further insulates against heat.

[0013] In a preferred embodiment, the first cover further includes a downwardly protruding extension frame, to which the handle is connected.

[0014] By setting an extension frame, the handle is connected to the extension frame, which facilitates the rotation and installation of the handle, while strengthening the connection between the handle and the main body shell; the first cover includes a downward protruding extension frame, which utilizes the contraction space of the first cover, making the structure more compact, shortening the assembly length of the handle and the connecting frame, and achieving miniaturization.

[0015] In a preferred embodiment, the negative ion generator is connected to a lead wire, and a wire-locking groove is provided on the outer peripheral wall of the first cover. The lead wire extends along the circumference of the first cover and is locked in the wire-locking groove.

[0016] By setting a wire-locking groove on the outer peripheral wall of the first cover, the lead wire connected to the negative ion generator is fixed and organized, avoiding wire tangling, achieving a compact connection between the wire harness and the first cover, and saving installation space.

[0017] Preferably, the first cover further includes a downwardly protruding extension frame, and the control board includes a plate extending into the extension frame. An opening is provided on the extension frame, and the lead wire passes through the opening and connects to the plate. By setting the control board as a plate extending into the extension frame, the control board is irregularly shaped and rationally distributed in the second cover and the extension frame, resulting in higher space utilization. The opening is located on the extension frame, and the lead wire passes through the opening and connects to the plate, thus shortening the lead wire length.

[0018] Preferably, the first cover has an opening, and the lead wire includes a first lead wire connected to the control board and a second lead wire connected to the emitter. Both the first lead wire and the second lead wire pass through the same opening into the inside of the first cover.

[0019] By setting an opening in the first housing and having both the first and second leads pass through the same opening into the inside of the first housing, the negative ion generator can be electrically connected to the control board and the emitter. This reduces the number of openings in the first housing, improves its wind-gathering effect, reduces unnecessary wiring, shortens the lead length, and improves the ease of assembly for workers.

[0020] In a preferred embodiment, an RFID reader / writer module for identifying the air nozzle is provided inside the main housing, and the RFID reader / writer module is offset from the negative ion generator along the circumference of the first cover.

[0021] Preferably, the main body shell is further provided with an antenna plate near the air outlet. The antenna plate is connected to the RFID reading and writing module by wires. The outer wall of the first or second cover is provided with a wire clamp to limit the wire.

[0022] By incorporating an RFID reader / writer module to identify the nozzle, the hair dryer becomes intelligent, enabling different operating modes for different nozzles and meeting various hair drying and care needs. Specifically, an antenna plate is also installed inside the main casing near the air outlet. The antenna plate is connected to the RFID reader / writer module via wires. A tag can be placed inside the nozzle. When the nozzle is installed at the air outlet, the antenna plate and the tag inside the nozzle establish a communication connection, i.e., a wireless communication link is established between the antenna plate and the tag to achieve energy transmission and data exchange. This allows the reader / writer module to read the signal inside the tag, and the control board controls the motor and / or heating element to perform actions adapted to the nozzle based on the signals read by the reader / writer module, blowing out air at the temperature and speed corresponding to the nozzle. This expands the hair dryer's multiple operating modes and meets diverse user needs.

[0023] By offsetting the RFID reader / writer module from the negative ion generator along the circumference of the first housing, the RFID reader / writer module is also rationally installed within the space formed by the contraction of the first housing. This maximizes space utilization of the main casing and achieves a compact overall layout. The outer wall of either the first or second housing is provided with a cable clamp to secure and organize the wires, preventing tangled wires and avoiding signal interference between the negative ion generator and the RFID reader / writer module. This compact wiring arrangement saves space.

[0024] In a preferred embodiment, the negative ion hair dryer further includes an emitter electrically connected to the negative ion generator, the heating element includes an insulating cylinder and a heating wire disposed inside the insulating cylinder, and the emitter is located outside the insulating cylinder and extends to the front end of the insulating cylinder.

[0025] Preferably, the hair dryer further includes a heat insulation cylinder that isolates the insulating cylinder and the main body housing, the heat insulation cylinder being mated with the mounting cover, and the emitter being fixed to the outer wall of the insulating cylinder and located inside the heat insulation cylinder.

[0026] By arranging the emitter on the outside of the insulating tube, the emitter is isolated from the heating wire, reducing the impact of the heating wire's heat on the emitter. The insulating tube prevents leakage from the heating wire, improving safety. Simultaneously, it concentrates the heat from the heating wire, focusing the airflow to create hot air. The emitter extends to the front end of the insulating tube and is blown out with the hot air, increasing the concentration of negative ions in the hot air and enhancing the drying and hair care effects.

[0027] In a preferred embodiment, the negative ion generator is attached and fixed to the first cover; or, the outer wall of the first cover is provided with a plurality of limiting ribs that limit the negative ion generator to its outer periphery.

[0028] The negative ion generator can be easily installed by either pasting it onto the first cover or by limiting it to the first cover using ribs. Furthermore, fixing the negative ion generator to the first cover reduces installation difficulty compared to fixing it to the inner wall of the main body, and allows for precise control of the installation position.

[0029] In a preferred embodiment, the hair dryer includes a heat insulation cylinder, which is sleeved and fixed to the outer periphery of the heating element and docked and fixed to the mounting cover. The outer wall of the heat insulation cylinder is provided with guide ribs, and the inner wall of the main body shell is provided with guide grooves that match the guide ribs. The guide grooves extend axially along the main body shell, so that the mounting cover and the heat insulation cylinder are inserted into the main body shell axially.

[0030] By incorporating a heat insulation cylinder that aligns with the mounting cover, the cool air collected within the first and second covers continues to be directed along the heat insulation cylinder towards the heating element, reducing airflow loss and improving drying efficiency. Guide ribs and guide grooves create an installation guide, ensuring that the heat insulation cylinder and mounting cover are smoothly and accurately installed into the main body shell after alignment, resulting in precise assembly. Attached Figure Description

[0031] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0032] Figure 1 This is a cross-sectional view of a negative ion hair dryer according to one embodiment of the present invention;

[0033] Figure 2 This is a schematic diagram of the assembly of the mounting cover in one embodiment of the present invention;

[0034] Figure 3 This is a partial explosion diagram of a negative ion hair dryer in one embodiment of the present invention;

[0035] Figure 4 This is an exploded view of the mounting cover in one embodiment of the present invention;

[0036] Figure 5 This is a schematic diagram of the structure of a negative ion generating component in one embodiment of the present invention;

[0037] Figure 6 This is a schematic diagram of the structure of the heating component in one embodiment of the present invention;

[0038] Figure 7 This is a schematic diagram of the structure inside the mounting cover in one embodiment of the present invention;

[0039] Figure 8 This is a schematic diagram of the assembly of the mounting cover from another angle in one embodiment of the present invention;

[0040] Figure 9 This is a schematic diagram of the overall structure of the negative ion generating component in one embodiment of the present invention.

[0041] List of components and reference numerals:

[0042] 10. Main body shell; 100. Nozzle; 101. Air outlet; 11. Guide groove; 20. Handle; 30. Heating component; 31. Insulating cylinder; 32. Heating wire; 33. Heat insulation cylinder; 331. Guide rib; 40. Motor; 50. Negative ion generator; 51. First lead wire; 52. Second lead wire; 53. Terminal block; 60. Emitter; 70. Mounting cover; 701. Left bracket; 702. Right bracket; 71. First cover; 710. Extension frame; 711. Wire slot; 712. Opening; 713. Limiting rib; 714. Cylinder; 715. Transition section; 72. Second cover; 80. Control board; 81. Board; 90. RFID reader / writer module; 91. Antenna board; 92. Tag board; 93. Wire; 94. Wire slot. Detailed Implementation

[0043] To more clearly illustrate the overall concept of this utility model, a detailed description will be provided below with reference to the accompanying drawings.

[0044] Many specific details are set forth in the following description to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below. It should be noted that, unless otherwise specified, the embodiments of the present invention and the features thereof can be combined with each other.

[0045] Furthermore, it should be understood in the description of this utility model that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0046] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0047] In this utility model, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0048] like Figure 1As shown, in a preferred embodiment, this utility model provides a negative ion hair dryer, including a main body shell 10, a handle 20 protruding from the bottom of the main body shell 10, a heating element 30 disposed within the main body shell 10, a motor 40, and a negative ion generator 50. An air outlet 101 is provided at the front end of the main body shell 10. The heating element 30 is positioned closer to the air outlet than the motor 40. The hair dryer also includes a mounting cover 70 disposed within the main body shell 10, i.e., the main body shell is fitted over the mounting cover 70. Figure 2 , 3 As shown, the mounting cover 70 includes a first cover 71 fitted around the outer periphery of the motor 40 and a second cover 72 connected to the first cover 71. A control board 80 is installed inside the second cover 72. The first cover 71 is radially contracted inward relative to the second cover 72. The negative ion generator 50 is fixed between the outer peripheral wall of the first cover 71 and the main body shell 10.

[0049] The present invention provides a negative ion hair dryer, wherein the mounting cover 70 includes a first cover 71 fitted around the outer periphery of the motor 40 and a second cover 72 connected to the first cover 71. The second cover 72 is used to mount the control board 80 and to protect the control board 80. The first cover 71 is fitted around the outer periphery of the motor 40. Therefore, the first cover 71 is used to gather the cold air driven by the motor 40 and guide the cold air to flow along the inner cavity of the first cover 71 and the second cover 72 to the heating element 30. After the cold air is heated by the heating element 30, it forms hot air and is concentrated and discharged from the air outlet. The negative ion generator 50 is fixed between the outer peripheral wall of the first cover 71 and the main shell 10. The negative ion generator 50 and the heating component 30 are radially misaligned in the main shell 10 and separated by the first cover 71 and the second cover 72. At the same time, the hot air near the heating component 30 is collected inside by the first cover 71 and the second cover 72, and the heat will not be directly radiated to the negative ion generator 50, reducing the heat impact on the negative ion generator 50, improving the performance and negative ion generation efficiency of the negative ion generator 50, extending its service life, and still being able to stably generate negative ions after long-term use, thus improving the smoothness effect during hair drying. Furthermore, since the control board 80 occupies a larger radial space than the motor 40, in order to satisfy the control functions of the heating element 30, motor 40, etc., the first cover 71 is radially contracted inward relative to the second cover 72, realizing a compact structure for the mounting cover 70 and the motor 40. The negative ion generator 50 is fixed between the outer peripheral wall of the first cover 71 and the main shell 10, eliminating the need to further enlarge the size of the main shell 10. This achieves efficient utilization of the internal space of the main shell 10, miniaturizing the hair dryer and making it convenient for users to handle and store. In summary, this application adopts an improved mounting cover 70 structure to achieve a reasonable arrangement of the motor 40, heating element 30, and control board 80 within the main shell 10, maximizing the utilization of the limited space of the main shell 10. This achieves miniaturization while reducing the thermal impact of the negative ion generator 50, improving its service life, and optimizing the negative ion blowing effect.

[0050] like Figure 2 As shown, preferably, the first cover 71 includes a cylindrical body 714 with a uniform outer diameter and a transition section 715 that gradually expands outward from the cylindrical body 714 into a trumpet shape to connect with the second cover 72. The negative ion generator 50 is located on the side of the cylindrical body 714, or the negative ion generator 50 is located on the side of the cylindrical body and extends to the side of the transition section 715. In this way, a smooth connection between the first cover 71 and the second cover 72 is achieved, and the negative ion generator can make full use of the entire outer periphery of the first cover 71, maximizing the use of space.

[0051] Of course, in practice, in other embodiments, the first cover 71 includes a cylindrical body with a uniform outer diameter and a step that expands radially outward from the end of the cylindrical body, the edge of which connects to the second cover. This shortens the connection between the first and second covers, reduces the overall length of the mounting cover, and achieves miniaturization.

[0052] This invention does not limit the fixing position and fixing method of the negative ion generator, which can be fixed to the outer wall of the first cover or the inner wall of the main body shell.

[0053] In a preferred embodiment, the negative ion generator 50 is adhered and fixed to the first cover 71; for example, by adhesive or by providing adhesive backing to the back of the negative ion generator 50, which is then adhered to the first cover 71. Optionally, as... Figure 3 As shown, the outer wall of the first cover 71 is provided with a plurality of limiting ribs 713 that limit the negative ion generator 50.

[0054] The negative ion generator 50 can be easily installed by either pasting it onto the first cover 71 or by limiting it to the first cover 71 through a limiting rib. Furthermore, fixing the negative ion generator 50 to the first cover 71 reduces the installation difficulty compared to fixing it to the inner wall of the main body shell 10, and allows for precise control of the installation position.

[0055] Of course, in other embodiments, a limiting groove can be formed by multiple limiting ribs 713, and the negative ion generator can be clamped by multiple limiting ribs; or, in other embodiments, a recessed mounting groove is provided on the outer side of the first cover 71, and the negative ion generator 50 is clamped in the mounting groove.

[0056] like Figure 1-4 As shown, in a preferred embodiment, the control board 80 is located between the motor 40 and the heating element 30, and the first cover 71 is connected to the end of the second cover 72 away from the heating element 30.

[0057] Combination Figure 2 By positioning the control board 80 between the motor 40 and the heating element 30, when the motor 40 is working, it drives the airflow along... Figure 2The airflow, as indicated by the middle arrow, specifically allows the cool air driven by motor 40 to first pass through control board 80. This process not only dissipates heat from control board 80, extending its lifespan, but also achieves efficient airflow utilization. The cool air exchanges heat with control board 80, preheating it, so that it can quickly generate hot air when passing through heating element 30. This improves the hot air efficiency of the blower, reduces the power requirement of heating element 30, and achieves energy savings. Regardless of whether the air inlet is located at the rear of the main body shell 10 or on the handle 20, the control board 80 is positioned between motor 40 and heating element 30, bringing motor 40 closer to the air inlet, improving air intake efficiency, and accelerating airflow circulation. The first cover 71 is connected to the end of the second cover 72 away from the heating element 30. Correspondingly, the negative ion generator 50 is further away from the heating element 30 along the axis of the main body shell 10, which further reduces the heat impact from the distance. In addition, the radial direction of the second cover 72 is larger than that of the first cover 71. The second cover 72 itself and the contraction step formed between the second cover 72 and the first cover 71 have a further heat-blocking effect.

[0058] like Figure 3 , 4 As shown, in a preferred embodiment, the first cover 71 further includes a downwardly protruding extension frame 710, to which the handle 20 is connected.

[0059] By setting an extension frame 710, the handle 20 is connected to the extension frame 710, which facilitates the rotation and installation of the handle 20, and at the same time strengthens the connection between the handle 20 and the main body shell 10; the first cover 71 includes a downwardly protruding extension frame 710, which utilizes the shrinkage space of the first cover 71, making the structure more compact, shortening the assembly length of the handle 20 and the connecting frame, and achieving miniaturization.

[0060] like Figure 3 , 4 As shown in Figure 5, in a preferred embodiment, the negative ion generator 50 is connected to leads, including a first lead 51 and a second lead 52, as shown in Figure 5. Figure 3 As shown, the outer peripheral wall of the first cover 71 is provided with a wire-locking groove 711, and the lead wire extends along the circumference of the first cover 71 and is locked in the wire-locking groove 711.

[0061] like Figure 3 As shown, the first cover 71 has an opening 712, and the first lead wire 51 and the second lead wire 52 both pass through the same opening 712 into the inside of the first cover 71. (Combined) Figure 5 A terminal block 53 for plugging into the control board 80 is provided at the end of the first lead 51.

[0062] Preferably, combined with Figure 4In this embodiment, the first cover 71 also includes a downwardly protruding extension frame 710, and the control plate 80 includes a plate 81 extending into the extension frame 710. An opening 712 is provided on the extension frame 710, and a lead wire passes through the opening 712 and connects to the plate 81.

[0063] By extending the control board 80 into the plate 81 within the extension frame 710, and by making the control board 80 irregularly shaped to be rationally distributed within the second cover 72 and the extension frame 710, space utilization is improved. An opening 712 is created on the extension frame 710, through which the lead wire passes to connect to the plate 81, shortening the lead wire length and improving the ease of assembly for workers. A wire-holding groove 711 is provided on the outer peripheral wall of the first cover 71 to fix and organize the lead wire connected to the negative ion generator 50, preventing wire tangling and achieving a compact connection between the wire harness and the first cover 71, saving installation space.

[0064] By providing an opening 712 in the first cover 71 and having the first lead 51 and the second lead 52 both pass through the same opening 712 into the inside of the first cover 71, the negative ion generator 50 is electrically connected to the control board 80 and the emitter 60. This reduces the number of openings 712 in the first cover 71, improves its wind-gathering effect, reduces unnecessary winding, and shortens the lead length.

[0065] In addition, such as Figure 3 , 4 As shown, in this embodiment, the first cover 71 is located on the side of the second cover 72 away from the air outlet. Therefore, preferably, the opening 712 is located at the rear end of the first cover. The opening 712 can also form an air inlet, further accelerating airflow circulation. Of course, this embodiment is not limited to the above-described position of the first cover 71 and the second cover 72. Regardless of the position, the first lead wire and the second lead wire can share a single opening.

[0066] More specifically, such as Figure 3 , 4 As shown, the mounting cover 70 includes a left bracket 701 and a right bracket 702. The left bracket 701 and the right bracket 702 are spliced ​​and fixed to form a first cover 71 and a second cover 72, which enclose the motor 40 and the control board 80. This enables convenient assembly of the entire machine.

[0067] Of course, it is understood that in other embodiments of this utility model, an axially closed cylindrical mounting cover may also be used, and the motor 40 and the control board 80 may be sequentially installed into the mounting cover by means of a sleeve connection.

[0068] like Figure 5 As shown, in a preferred embodiment, the negative ion generator 50 and the emitter 60 are electrically connected via a second lead 52, such as... Figure 6 , 7As shown, the heating element 30 includes an insulating cylinder 31 and a heating wire 32 disposed within the insulating cylinder 31. The insulating cylinder 31 is preferably a mica cylinder. The emitter 60 is located outside the insulating cylinder 31 and extends to the front end of the insulating cylinder 31. Figure 7 As shown, the second lead 52 enters the first housing through the opening and extends axially to connect with the tail end of the emitter 60.

[0069] like Figure 7 As shown, more preferably, the hair dryer also includes a heat insulation cylinder 33 that is isolated between the insulating cylinder 31 and the main body housing 10. The heat insulation cylinder 33 is mated with the mounting cover, for example, by snap-fit. The emitter 60 is fixed to the outer wall of the insulating cylinder 31 and located inside the heat insulation cylinder 33.

[0070] More specifically, in this embodiment, the first cover 71 is connected to the end of the second cover 72 away from the heating element 30, thus the heat insulation cylinder is snapped and fixed to the second cover 72 of the mounting cover. In other embodiments, when the first cover 71 is connected to the end of the second cover 72 close to the heating element 30, the heat insulation cylinder 33 is snapped and fixed to the first cover 71 of the mounting cover.

[0071] More preferably, combined with Figure 3 The outer wall of the heat insulation cylinder 33 is provided with guide ribs 331, and the inner wall of the main shell 10 is provided with guide grooves 11 that match the guide ribs. The guide grooves extend axially along the main shell 10, so that the mounting cover and the heat insulation cylinder 33 are inserted into the main shell 10 axially.

[0072] By arranging the emitter 60 on the outside of the insulating tube 31, the insulating tube 31 isolates the emitter 60 from the heating wire 32, reducing the impact of the heat from the heating wire 32 on the emitter 60. The insulating tube 31 prevents leakage from the heating wire 32, improving safety. Simultaneously, it concentrates the heat from the heating wire 32, focusing the airflow to generate hot air. The emitter 60 extends to the front end of the insulating tube 31 and is blown out with the hot air, increasing the concentration of negative ions in the hot air and enhancing the drying and hair care effects.

[0073] By incorporating a heat insulation cylinder 33 that mates with the mounting cover, the cold air gathered within the first cover 71 and the second cover 72 continues to be directed along the heat insulation cylinder 33 towards the heating element 30, reducing airflow loss and improving drying efficiency. The inclusion of guide ribs and guide grooves creates an installation guide, ensuring that the heat insulation cylinder 33, after being mated and fixed to the mounting cover, is smoothly and accurately installed into the main housing 10, achieving precise assembly.

[0074] like Figure 8 , 9 As shown, in a preferred embodiment, an RFID reader / writer module 90 for identifying the air nozzle is provided inside the main housing 10, combined with... Figure 3 and Figure 8 The RFID reader / writer module 90 and the negative ion generator 50 are staggered circumferentially along the first cover 71. More specifically, as... Figure 9 As shown, an antenna plate 91 is also provided inside the main body shell 10 near the air outlet. The negative ion hair dryer also includes a nozzle 100 that is detachably installed at the air outlet of the main body shell 10 by means of magnetic attraction or snap-fit. A label plate 92 adapted to the antenna plate 91 is installed inside the nozzle 100. Preferably, both the antenna plate 91 and the label plate 92 are closed rings, and they are arranged coaxially and opposite to each other along the axial direction of the main body shell.

[0075] like Figure 8 As shown, preferably, the antenna plate 91 is connected to the RFID reader / writer module 90 via a wire 93, and the outer wall of the first cover 71 or the second cover 72 is provided with a wire-locking port 94 to limit the wire 93.

[0076] By incorporating an RFID reader / writer module 90 (Radio Frequency Identification Board) to identify the nozzle, the hair dryer becomes intelligent, enabling different operating modes for different nozzles and meeting various hair drying and care needs. Specifically, an antenna board 91 is also installed inside the main casing 10 near the air outlet. The antenna board 91 is connected to the RFID reader / writer module 90 via wires. A tag 92 can be placed inside the nozzle. When the nozzle is installed at the air outlet, the antenna board 91 and the tag 92 inside the nozzle establish a communication connection, i.e., a wireless communication link is established between the antenna board 91 and the tag 92 to achieve energy transmission and data exchange. This allows the reader / writer module 90 to read the signal inside the tag 92, and the control board 80 controls the motor 40 and / or the heating element 30 to perform actions adapted to the nozzle based on the signal read and written by the reader / writer module 90, blowing out air at the temperature and speed corresponding to the nozzle. This expands the hair dryer's multiple operating modes and meets diverse user needs.

[0077] By staggering the RFID reader / writer module 90 and the negative ion generator 50 along the circumference of the first cover 71, the RFID reader / writer module 90 is also reasonably installed within the space formed by the contraction of the first cover 71. This maximizes the space utilization of the main casing 10 and achieves a compact overall layout. The outer wall of the first cover 71 or the second cover 72 is provided with a wire clamp to limit the wires, thereby fixing and organizing the wires, preventing the danger of wire tangling, and avoiding signal interference between the negative ion generator and the RFID reader / writer module. The wiring harness is arranged compactly, saving space.

[0078] For any parts not mentioned in this utility model, existing technologies can be used or referenced.

[0079] The various embodiments in this specification are described in a progressive manner. The same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on describing the differences from other embodiments.

[0080] The above are merely embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.

Claims

1. A negative ion hair dryer, comprising a main body shell, a handle protruding from the bottom of the main body shell, a heating element disposed within the main body shell, a motor, a negative ion generator, and an emitting electrode electrically connected to the negative ion emitter, wherein an air outlet is provided at the front end of the main body shell, and the heating element is disposed closer to the air outlet than the motor, characterized in that, The hair dryer also includes a mounting cover located inside the main body housing. The mounting cover includes a first cover body fitted around the outer periphery of the motor and a second cover body connected to the first cover body. A control board is installed inside the second cover body. The first cover body is radially inward relative to the second cover body. The negative ion generator is fixed between the outer peripheral wall of the first cover body and the main body housing.

2. A negative ion hair dryer according to claim 1, characterized in that, The control board is located between the motor and the heating element, and the first cover is connected to the end of the second cover away from the heating element.

3. A negative ion hair dryer according to claim 1, characterized in that, The first cover also includes a downwardly protruding extension frame, to which the handle is connected.

4. A negative ion hair dryer according to claim 1, characterized in that, The negative ion generator is connected to a lead wire, and a wire-locking groove is provided on the outer peripheral wall of the first cover. The lead wire extends along the circumference of the first cover and is locked in the wire-locking groove.

5. A negative ion hair dryer according to claim 4, characterized in that, The first cover also includes a downwardly protruding extension frame, the control board includes a plate extending into the extension frame, the extension frame has an opening, and the lead wire passes through the opening and connects to the plate; Alternatively, the first cover has an opening, and the lead wire includes a first lead wire connected to the control board and a second lead wire connected to the emitter, with both the first lead wire and the second lead wire passing through the same opening into the inside of the first cover.

6. A negative ion hair dryer according to claim 1, characterized in that, An RFID reader / writer module for identifying the air nozzle is installed inside the main body shell, and the RFID reader / writer module and the negative ion generator are staggered along the circumference of the first cover.

7. A negative ion hair dryer according to claim 6, characterized in that, An antenna plate is also provided inside the main body shell near the air outlet. The antenna plate is connected to the RFID reading and writing module via a wire. The outer wall of the first or second cover is provided with a wire clamp to limit the wire.

8. A negative ion hair dryer according to claim 1, characterized in that, The heating component includes an insulating cylinder and a heating wire disposed inside the insulating cylinder, and the emitter is located outside the insulating cylinder and extends to the front end of the insulating cylinder.

9. A negative ion hair dryer according to claim 8, characterized in that, The hair dryer also includes a heat insulation cylinder that isolates the insulating cylinder from the main body shell. The heat insulation cylinder is connected to the mounting cover, and the emitter is fixed to the outer wall of the insulating cylinder and located inside the heat insulation cylinder.

10. A negative ion hair dryer according to claim 1, characterized in that, The negative ion generator is attached and fixed to the first cover; Alternatively, the outer wall of the first cover is provided with a plurality of limiting ribs that limit the negative ion generator to its outer periphery; Alternatively, the hair dryer includes a heat insulation cylinder, which is sleeved and fixed to the outer periphery of the heating element and docked and fixed to the mounting cover. The outer wall of the heat insulation cylinder is provided with guide ribs, and the inner wall of the main body shell is provided with guide grooves that match the guide ribs. The guide grooves extend axially along the main body shell, so that the mounting cover and the heat insulation cylinder are inserted into the main body shell axially.

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