CN221033191U - Fan with fan body - Google Patents

Abstract

The utility model discloses a fan. The fan comprises a fan head, a heat insulation piece and a driving support, wherein the fan head comprises a net cover, fan blades, a driving piece and a heating piece, the net cover is provided with an airflow channel, the fan blades are arranged in the airflow channel, and the driving piece is in driving connection with the fan blades so as to drive the fan blades to rotate; the heating element is arranged in the airflow channel and is used for heating air; the heat insulation piece is arranged in the airflow channel and sleeved outside the heating piece along the axial direction of the fan blade; the driving support is arranged in the airflow channel, the driving piece is arranged on the driving support, the driving support and/or the heat insulation piece is arranged on the mesh cover, and the driving support and the heat insulation piece are integrally formed. The utility model can provide a fan with high practicability and multiple functions.

Description

Fan with fan body

Technical Field

The utility model relates to the technical field of electric appliance manufacturing, in particular to a fan.

Background

In the related art, a fan is an electric appliance which drives fan blades to rotate by utilizing a motor so as to enable air to flow in an accelerating way, and is mainly used for cooling and relieving summer heat. The existing fan only has the function of blowing cold air, has single function and lower practicability.

Disclosure of utility model

The utility model mainly aims to provide a fan which has high practicability and multiple functions.

In order to achieve the above object, the present utility model provides a fan, comprising:

The fan head comprises a net cover, fan blades, a driving piece and a heating piece, wherein the net cover is provided with an airflow channel, the fan blades are arranged in the airflow channel, and the driving piece is in driving connection with the fan blades so as to drive the fan blades to rotate; the heating element is arranged in the airflow channel and is used for heating air;

the heat insulation piece is arranged in the airflow channel and sleeved outside the heating piece along the axial direction of the fan blade; and

The driving support is arranged in the airflow channel, the driving piece is arranged on the driving support, the driving support and/or the heat insulation piece is arranged on the mesh cover, and the driving support and the heat insulation piece are integrally formed.

In an embodiment, the driving member includes a driving body and a driving shaft disposed on the driving body, the driving shaft is connected with the fan blade, the driving bracket includes a partition portion, the driving body is disposed on the partition portion, and the partition portion is disposed between the driving body and the heating member, so as to separate the driving body from the heating member.

In an embodiment, the mesh enclosure has an air inlet side, the driving body is arranged between the separation part and the air inlet side, and the driving body, the separation part, the heating element and the fan blade are sequentially arranged along the axial direction of the fan blade;

and/or the partition part is provided with a groove towards the air inlet side of the mesh enclosure, and at least part of the driving body is arranged in the groove.

In an embodiment, the driving support further includes a fixing portion, the fixing portion is disposed on a side of the partition portion facing the fan blade, and the heating element is detachably disposed on the fixing portion.

In an embodiment, the heating element includes a heating support and a heating wire, the heating wire is looped on an outer peripheral wall of the heating support, and the heating support is detachably disposed on the fixing portion.

In an embodiment, the driving body has a body projection along an axial direction of the fan blade, and the body projection falls on the heating support and is arranged at intervals from the heating wire along a radial direction of the fan blade.

In one embodiment, the fan further comprises a net ion generator, wherein the net ion generator is arranged on the net cover and/or the heat insulation piece and is positioned in the air flow channel for generating net ions in the air flow channel.

In an embodiment, the fan further includes a plurality of overheat protectors, the overheat protectors are disposed in the airflow channel and are respectively electrically connected with the heat generating element, so as to respectively perform overheat protection on the heat generating element, and the overheat protectors are sequentially arranged along an extending direction of the airflow channel, and at least one overheat protector is disposed on an air outlet side of the heat generating element.

In an embodiment, the fan further comprises a filter element, wherein the filter element is detachably arranged on the net cover and is located outside the net cover, so that air sucked and/or blown by the fan blades is filtered.

In one embodiment, the fan further comprises a rotating bracket and a base; the net cover is rotatably arranged on the rotating bracket, and the rotating axis of the net cover is arranged along the horizontal direction; and/or the number of the groups of groups,

The rotating support is rotatably arranged on the base, and the rotating axis of the rotating support is arranged along the vertical direction.

The fan comprises a fan head, a heat insulation piece and a driving bracket, wherein the fan head comprises a net cover, fan blades, a driving piece and a heating piece, and the driving piece is in driving connection with the fan blades so as to drive the fan blades to rotate in an airflow channel of the net cover, so that the function of blowing cold air is realized; the heating element is arranged in the airflow channel and is used for heating air, namely the fan also has the heating function; the heat-insulating piece is sleeved outside the heating piece, gathers heat generated by heating air by the heating piece, and the fan blades rotate to blow out hot air, so that the heat-insulating piece is beneficial to improving the temperature and the air outlet uniformity of the hot air; the heat insulating piece is also used for insulating heat generated by the heating piece so as to prevent the heat generated by the heating piece from being transferred to the mesh enclosure, especially when the fan blade stops rotating due to failure or the rotating speed of the fan blade is reduced, if the heat insulating piece is not arranged, the heat generated by the heating piece can be transferred to the mesh enclosure or an object outside the mesh enclosure, so that safety accidents such as fire disaster and the like are easily caused; and in the air current passageway was located to the drive support, on the drive support was located to the drive piece, on the shield was located to drive support and/or thermal-insulated piece, drive support and thermal-insulated piece integrated into one piece set up, so set up, not only make the drive piece can be stable install in the screen panel, still ensured the structural stability and the structural strength of drive support and thermal-insulated piece, optimized the structure of fan moreover, reduced the assembly part of fan, be favorable to improving the assembly efficiency of fan. Therefore, the fan provided by the utility model has the functions of heating, heat collection and heat insulation besides the function of blowing cold air, is easy to assemble, and has higher practicability.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a fan according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a portion of the structure of FIG. 1;

FIG. 3 is a cross-sectional view of a portion of the structure of FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is an exploded view of a portion of the structure of FIG. 1;

FIG. 6 is a partial enlarged view at B in FIG. 5;

FIG. 7 is an exploded view of a portion of the structure of FIG. 1;

FIG. 8 is an enlarged view of a portion of FIG. 7 at C;

fig. 9 is a schematic structural view of a part of the structure in fig. 1.

Reference numerals illustrate:

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture, and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a fan which has multiple functions and has high practicability.

Referring to fig. 1 to 5, in an embodiment of the utility model, a fan 10 includes a fan head 100, a heat insulation member 200 and a driving bracket 300, the fan head 100 includes a mesh enclosure 110, fan blades 120, a driving member 130 and a heating member 140, the mesh enclosure 110 has an airflow channel, the fan blades 120 are disposed in the airflow channel, and the driving member 130 is in driving connection with the fan blades 120 to drive the fan blades 120 to rotate; the heating element 140 is arranged in the airflow channel and is used for heating air; the heat insulating member 200 is disposed in the airflow channel and sleeved outside the heat generating member 140 along the axial direction of the fan blade 120; the driving support 300 is disposed in the air flow channel, the driving member 130 is disposed on the driving support 300, the driving support 300 and/or the heat insulation member 200 is disposed on the mesh enclosure 110, and the driving support 300 and the heat insulation member 200 are integrally formed.

It will be appreciated that the fan 10 includes a controller electrically connected to the heat generating element 140 and the driving element 130, respectively, to control the heat generating element 140 and the driving element 130, respectively, and the driving element 130 may be a driving motor. When the heating element 140 works, the heating element 140 heats the air flowing along the airflow channel, and the heated air is discharged from the air outlet side of the mesh enclosure 110 along with the rotation of the fan blades 120, so that the fan 10 can blow out hot air, that is, the fan 10 of the application has a heating function. The type and shape of the heating element 140 are not limited herein, and the heating element 140 may be a heating wire 142, a heating tube, or other parts capable of generating heat.

Further, the driving bracket 300 and the heat insulating member 200 are integrally formed, that is, the driving bracket 300 and the heat insulating member 200 are made of heat insulating materials, which are materials capable of retarding heat flow transmission, and the heat insulating materials are also called thermal insulating materials, such as glass fiber, asbestos, etc. In this embodiment, the heat shield 200 and the driving bracket 300 are made of BMC material. BMC materials are abbreviations for Bulk molding compounds, bulk molding compounds. The pellet molding compound, which is commonly called an unsaturated polyester, is a pellet prepreg obtained by thoroughly mixing GF (chopped glass), UP (unsaturated resin), MD (filler calcium carbonate) and various additives by a kneader. The BMC bulk molding compound has excellent electrical property, mechanical property, heat resistance and chemical corrosion resistance, and is suitable for various molding processes. The driving bracket 300 and the heat insulating member 200 may be formed by one injection molding, which is advantageous in ensuring structural stability and structural strength of the driving bracket 300 and the heat insulating member 200. In addition, the heat insulating member 200 may be annular, or may be in other shapes, and only the heat insulating member 200 may be sleeved outside the heat generating member 140, and the heat generating member 140 and the inner side wall of the heat insulating member 200 may be disposed at intervals, so as to avoid the temperature generated by the heat generating member 140 from being directly transferred to the heat insulating member 200.

Further, the driving bracket 300 is detachably mounted on the mesh enclosure 110; or the heat insulator 200 is detachably mounted on the mesh enclosure 110; or the driving bracket 300 and the heat insulating member 200 are detachably arranged on the mesh enclosure 110, so that the mounting stability is improved. There are various ways to detachably mount the mesh enclosure 110, such as by detachably attaching the mesh enclosure with a screw or by detachably attaching the mesh enclosure with a snap-fit structure, and the present invention is not limited thereto. In addition, in an embodiment, the mesh enclosure 110 includes a front cover 111, a middle shell 112 and a rear cover 113, the front cover 111 is detachably connected with the middle shell 112, the middle shell 112 is detachably connected with the rear cover 113, the front cover 111, the middle shell 112 and the rear cover 113 are sequentially connected and enclose to form an airflow channel, the mesh enclosure 110 has an air inlet side and an air outlet side, the air inlet side is located on the outer side of the rear cover 113, and the air outlet side is located on the outer side of the front cover 111.

The fan 10 of the present utility model comprises a fan head 100, a heat insulating member 200 and a driving bracket 300, wherein the fan head 100 comprises a mesh enclosure 110, fan blades 120, a driving member 130 and a heating member 140, wherein the driving member 130 is in driving connection with the fan blades 120 to drive the fan blades 120 to rotate in an airflow channel of the mesh enclosure 110 so as to realize the function of blowing cold air; the heating element 140 is arranged in the air flow channel and is used for heating air, namely the fan 10 of the utility model also has the heating function; the heat-insulating piece 200 is sleeved outside the heating piece 140, the heat-insulating piece 200 gathers heat generated by the heating piece 140 heating air, the fan blades 120 rotate to blow out hot air, and the heat-insulating piece 200 is beneficial to improving the temperature and the air outlet uniformity of the hot air; the heat insulating member 200 is further used for insulating heat generated by the heat generating member 140, so as to prevent the heat generated by the heat generating member 140 from being transferred to the mesh enclosure 110, especially when the fan blade 120 stops rotating due to failure or the rotation speed of the fan blade 120 is reduced, if the heat insulating member 200 is not arranged, the heat generated by the heat generating member 140 can be transferred to the mesh enclosure 110 or an object outside the mesh enclosure 110, thereby easily causing safety accidents such as fire disaster, etc., and the heat insulating member 200 is sleeved outside the heat generating member 140 along the axial direction of the fan blade 120, thereby being beneficial to improving the safety performance of the fan 10; and, in the air current passageway was located to the drive support 300, and drive piece 130 is located on the drive support 300, and on screen panel 110 was located to drive support 300 and/or thermal-insulated piece 200, drive support 300 and thermal-insulated piece 200 integrated into one piece set up, so set up, not only make drive piece 130 can stable install in screen panel 110, still ensured the structural stability and the structural strength of drive support 300 and thermal-insulated piece 200, optimized the structure of fan 10 moreover, reduced the fitting part of fan 10, be favorable to improving the assembly efficiency of fan 10. Therefore, the fan 10 of the present utility model has the functions of heating, heat collecting and heat insulating besides the function of blowing cold air, the fan 10 is easy to assemble, and the practicability of the fan 10 of the present utility model is high.

Referring to fig. 2 to 5, in an embodiment, the driving member 130 includes a driving body 131 and a driving shaft 132 disposed on the driving body 131, the driving shaft 132 is connected to the fan blade 120, the driving bracket 300 includes a partition 310, the driving body 131 is disposed on the partition 310, and the partition 310 is disposed between the driving body 131 and the heat generating member 140 to separate the driving body 131 and the heat generating member 140.

It can be appreciated that the driving body 131 may be a motor body, and the driving shaft 132 may be a motor shaft, that is, the motor shaft is disposed on the motor body, and the motor shaft is connected with the fan blade 120 to drive the fan blade 120 to rotate. The partition 310 may be disposed inside the heat insulator 200, or may be disposed outside the heat insulator 200, and the driving body 131 may be detachably disposed on the partition 310 to fix the driving body 131. The heating element 140 is disposed at a side of the partition portion 310 opposite to the driving body 131, and the driving body 131, the partition portion 310 and the heating element 140 may be sequentially arranged along an axial direction of the fan blade 120, or may be disposed along other directions; the partition portion 310 separates the driving body 131 from the heating element 140 to block the heat generated by the heating element 140 from being transferred to the driving body 131, that is, the partition portion 310 can block the heat generated by the heating element 140 from being transferred to the motor body, so as to prevent the stability and the service life of the motor body from being affected due to the high temperature environment.

In an embodiment, the mesh enclosure 110 has an air inlet side, the driving body 131 is disposed between the partition 310 and the air inlet side, and the driving body 131, the partition 310, the heat generating element 140 and the fan blades 120 are sequentially arranged along the axial direction of the fan blades 120. So set up, drive body 131 is close to the air inlet side setting, rotates when flabellum 120, and the air gets into from the air inlet side of screen panel 110, and the air current is through drive body 131 earlier, and then through piece 140 and flabellum 120 generate heat, and drive body 131 locates the upper reaches of piece 140 that generates heat, so not only can take away the heat of drive body 131 during operation, has still avoided the heat that generates heat piece 140 to produce to blow to drive body 131 and influence stability and life's condition emergence. In addition, the heating element 140 is disposed upstream of the fan blade 120, and the heating element 140 generates heat when working, so that the fan blade 120 rotates to blow out hot air, which is beneficial to improving the air outlet uniformity of the hot air.

Referring to fig. 2 to 5, in an embodiment, a recess 311 is formed in the partition 310 facing the air inlet side of the mesh enclosure 110, and at least a portion of the driving body 131 is disposed in the recess 311. It can be appreciated that, by providing the groove 311 on the partition 310, so as to facilitate quick installation and fixation of the driving body 131, the driving body 131 can be completely disposed in the groove 311, or can be partially disposed in the groove 311, which is beneficial to improving the installation stability of the driving body 131. The notch of the groove 311 faces the air inlet side of the mesh enclosure 110, the bottom of the groove 311 may be provided with a through-air hole 521, that is, the partition portion 310 is provided with the through-air hole 521, and the through-air hole 521 may extend along the axial direction of the fan blade 120, so that the smoothness of the air flow flowing when passing through the driving body 131 is improved.

In an embodiment, the driving rack 300 further includes a fixing portion 320, the fixing portion 320 is disposed on a side of the partition portion 310 facing the fan blade 120, and the heat generating element 140 is detachably disposed on the fixing portion 320.

It will be appreciated that the heating element 140 is disposed on the driving bracket 300, the driving bracket 300 includes a driving portion, the heating element 140 includes a matching portion adapted to the fixing portion 320, the matching portion is detachably connected to the fixing portion 320, and various manners of detachable connection may be provided, such as connection by a screw, or connection may be provided by a fastening structure, which is not limited herein. In the present embodiment, the fixing portion 320 includes a screw hole, and the heating member 140 is connected to the driving bracket 300 by a screw. In order to rapidly mount the heating element 140, one of the fixing portion 320 and the matching portion is provided with a positioning column, the other one is provided with a positioning hole, and the positioning column is inserted into the positioning hole, so that the heating element 140 can be rapidly positioned and mounted on the driving bracket 300. In addition, the fixing portion 320 is disposed on one side of the partition portion 310 facing the fan blade 120, so that the driving body 131, the partition portion 310, the heating element 140 and the fan blade 120 can be sequentially arranged along the axial direction of the fan blade 120, which is beneficial to improving the stability and the service life of the driving body 131 and improving the air outlet uniformity of hot air.

Referring to fig. 3, 4 and 9, in an embodiment, the heat generating component 140 includes a heat generating bracket 141 and a heat generating wire 142, the heat generating wire 142 is disposed around an outer peripheral wall of the heat generating bracket 141, and the heat generating bracket 141 is detachably disposed on the fixing portion 320.

It is understood that the number of heating wires 142 may be set according to needs, for example, the number of heating wires 142 may be one turn, or two turns, or multiple turns, and in this embodiment, the number of heating wires 142 is two turns. The heating wire 142 is arranged on the outer peripheral wall of the heating bracket 141 in a surrounding manner, which is beneficial to improving the overall volume of the heating wire 142, namely the heating area of the heating wire 142, so that the heat generated by the heating wire 142 is improved. The heating wire 142 is disposed on the heating bracket 141, the heating bracket 141 is disposed on the fixing portion 320 of the driving bracket 300, the heating bracket 141 is provided with a matching portion adapted to the fixing portion 320, in this embodiment, the heating bracket 141 is provided with a screw hole, and the heating bracket 141 is connected with the driving bracket 300 through a screw. In order to rapidly mount the heating bracket 141, a positioning hole is formed in the heating bracket 141, a positioning column is formed in the fixing portion 320, and the positioning hole is mounted along the positioning column, so that the heating bracket 141 can be rapidly positioned and mounted on the fixing portion 320 of the driving bracket 300.

In an embodiment, the driving body 131 has a body projection along the axial direction of the fan blade 120, and the body projection falls on the heat generating bracket 141 and is spaced from the heat generating wire 142 along the radial direction of the fan blade 120. It can be appreciated that the driving body 131 is a motor body, the body projection is the projection of the motor body along the axial direction of the fan blade 120 towards the heating support 141, the body projection of the motor body falls on the heating support 141, the heating wire 142 is arranged on the heating support 141, and the body projection and the heating wire 142 are arranged at intervals in the radial direction of the fan blade 120, so that the distance between the heating wire 142 and the driving body 131 is far, the fan 10 is prevented from toppling over, and the situation that heat is easily transferred to the driving body 131 when the heating wire 142 inclines occurs, thus being beneficial to improving the stability and the service life of the driving body 131.

Referring to fig. 5 and 6, in one embodiment, the fan 10 further includes a net ion generator 400, and the net ion generator 400 is disposed on the mesh enclosure 110 and/or the heat insulation member 200 and is located in the air flow channel for generating net ions in the air flow channel.

It can be understood that the net ion generator 400 is used for generating net ions, namely positive and negative ion groups, the positive ions are combined with the negative ions, harmful substances such as planktonic bacteria and viruses in the air can be surrounded and decomposed, OH- (hydroxyl) free radicals with the strongest oxidizing property are generated at the moment of the ions in the ion groups being attached to the surface of planktonic bacteria, h+ (hydrogen ions) are extracted from proteins of planktonic bacteria, so that the planktonic bacteria are deactivated, and H2O generated by combining OH-with h+ is returned to the air in the form of water molecules, thereby achieving the purpose of purifying the air; in addition, the clean ions can inhibit proliferation of attached mould, and further eliminate odor. In addition, the clean ion generator 400 may be disposed on the mesh enclosure 110, or may be disposed on the heat insulation member 200, and the specific position is not limited herein, and only the clean ions generated by the clean ion generator 400 can flow along with air in the air flow channel. It can be seen that the clean ions generated by the clean ion generator 400 are discharged into the room along with the air in the air flow channel, so as to sterilize the indoor air, inhibit the bacterial growth in the air, and remove the odor, i.e. the fan 10 in the present embodiment has the functions of sterilizing the air and removing the odor.

In an embodiment, the heat insulating member 200 and the mesh enclosure 110 enclose a receiving cavity, the clean ion generator 400 is disposed in the receiving cavity, the clean ion generator 400 includes a clean ion emitting head 410, and the clean ion emitting head 410 extends out of the receiving cavity toward the heat generating member 140.

It can be appreciated that the clean ion generator 400 is disposed in the accommodating cavity formed by enclosing the heat insulating member 200 and the mesh enclosure 110, and the accommodating cavity is not only used for mounting the clean ion generator 400, but also can shield the clean ion generator 400, so that the heat insulating member 200 can protect the clean ion generator 400, and the clean ion generator 400 is prevented from being completely exposed in the mesh enclosure 110, thereby improving the aesthetic property of the fan 10.

Further, the clean ion emission head 410 has a clean ion emission port 411, and the clean ion emission port 411 is extended out of the accommodating cavity towards the heating element 140 and is spaced from the heating element 140, so that clean ions generated by the clean ion emission head 410 are conveniently emitted out of the accommodating cavity, that is, the clean ions generated by the clean ion emission head 410 can be directly emitted into the air flow channel and flow into the room along with air, so that the functions of sterilizing and removing peculiar smell of indoor air by the clean ions are realized.

Referring to fig. 6, in an embodiment, the clean ion generator 400 further includes a generator body 420 connected to the clean ion emitting head 410, the generator body 420 is disposed in the accommodating cavity, the mesh enclosure 110 and/or the heat insulating member 200 are provided with mounting holes communicated with the accommodating cavity, and the clean ion emitting head 410 is inserted into the mounting holes.

It will be appreciated that the generator body 420 is electrically connected to a controller of the fan 10, the controller providing power to the generator body 420 to ionize the generator body 420 to generate net ions, and the generated net ions are ejected through the net ion emitting head 410. The mounting holes are arranged on the mesh enclosure 110; or the mounting hole is provided on the heat insulator 200; or the mesh enclosure 110 and the heat insulating member 200 are enclosed to form mounting holes, and the heating member 140 is arranged at intervals from the mounting holes. The clean ion emission head 410 is worn to locate in the mounting hole, and the one end that the clean ion emission head 410 is close to the piece 140 that generates heat is equipped with clean ion emission mouth 411, and clean ion emission mouth 411 locates between mounting hole and the piece 140 that generates heat, so set up, when the piece 140 during operation that generates heat, the clean ion that jets out from clean ion emission mouth 411 can also be heated to be favorable to improving the bactericidal effect of clean ion.

Referring to fig. 5 and 6, in an embodiment, the heat insulation member 200 includes a heat insulation ring 210 and a cover 220, the heat insulation ring 210 is sleeved outside the heat generating member 140, the net ion generator 400 is disposed on the mesh enclosure 110, the cover 220 is disposed on an outer peripheral wall of the heat insulation ring 210 and covers the net ion generator 400, and the cover 220 and the mesh enclosure 110 enclose the mounting hole.

It can be appreciated that the mesh enclosure 110 may be provided with a mounting position, and the generator body 420 and the clean ion emitting head 410 may be disposed in the mounting position, and the cover 220 covers the generator body 420 and the clean ion emitting head 410 to fix and protect the generator body 420 and the clean ion emitting head 410; in addition, the mounting hole is formed by enclosing the cover 220 and the mesh enclosure 110, so that the clean ion emission head 410 is conveniently penetrated in the mounting hole, and the clean ion emission port 411 of the clean ion emission head 410 is easy to penetrate out of the mounting hole. Therefore, the clean ion generator 400 can be stably installed in the mesh enclosure 110, and the heat generated by the heating element 140 is prevented from burning the clean ion generator 400, so that the reliability of the fan 10 is improved.

Referring to fig. 2 and 9, in an embodiment, the fan 10 further includes a plurality of overheat protectors, the overheat protectors are disposed in the airflow channel and electrically connected to the heat generating elements 140 respectively, so as to be respectively used for overheat protection of the heat generating elements 140, the overheat protectors are sequentially arranged along the extending direction of the airflow channel, and at least one of the overheat protectors is disposed on the air outlet side of the heat generating elements 140.

It can be appreciated that the plurality of overheat protectors are electrically connected to the heat generating element 140 respectively, the plurality of overheat protectors perform overheat protection on the heat generating element 140 respectively, the plurality of overheat protectors correspond to a plurality of abnormal working states of the heating wire 142, and the plurality of overheat protectors are sequentially arranged along the extending direction of the airflow channel, for example, one overheat protector is arranged on the outer peripheral side of the heat generating element 140, one overheat protector is arranged on the air outlet side of the heat generating element 140, or one overheat protector is arranged on the air inlet side of the heat generating element 140, and can be specifically set according to the needs.

When one of the overheat protectors cannot timely sense the rapid temperature rise of the heating element 140, another overheat protector among the overheat protectors which are sequentially arranged along the extending direction of the airflow channel can timely sense the rapid temperature rise of the heating element 140, that is, the overheat protectors which are sequentially arranged along the extending direction of the airflow channel can correspond to the different temperature rise states of the heating element 140, so that the overheat protector can timely sense the overheat of the heating element 140 and further overheat power-off protection, and the use safety of the fan 10 is ensured.

It should be noted that, one of the overheat protectors is disposed on the air outlet side of the heating element 140, where the air outlet side is the air outlet side of the heating element 140 when the air passes through the heating element 140, and the downstream of the heating element 140 is the air outlet side of the heating element 140, when the fan 10 topples over the fan blade 120 and cannot normally rotate, the heating element 140 continues to work, heat on the heating element 140 gathers, the overheat protector disposed on the air outlet side of the heating element 140 can rapidly sense the rapid temperature rise of the heating element 140, and when the temperature exceeds the preset protection value of the overheat protector, the overheat protector overheat protects the heating element 140 to cut off the power, so as to avoid fire, electric shock and other situations caused by overheat of the heating element 140, thereby ensuring the use safety of the fan 10.

In addition, the overheat protector comprises a temperature limiter and/or a fuse, the temperature limiter is used for automatically powering off the limiter when the temperature is too high, and the temperature limiter is a resettable temperature controller; the fuse is used for fusing the melt of the fuse when the temperature is too high. When the overheat protector comprises the temperature limiter and the fuse, the heating element 140, the temperature limiter and the fuse are sequentially connected in series, the fusing temperature of the fuse is higher than the power-off temperature of the temperature limiter, and the fuse is double-insurance of the heating element 140 at the moment, so that the safety of the fan 10 is improved.

Referring to fig. 9, in an embodiment, the plurality of overheat protectors includes a first overheat protector 800 and a second overheat protector 900, the first overheat protector 800 is disposed on the peripheral side of the heat generating element 140, and the second overheat protector 900 is disposed on the air outlet side of the heat generating element 140.

It will be appreciated that, the mesh enclosure 110 has an air inlet end and an air outlet end opposite to each other, the fan 10 has a front side and a rear side, when the air outlet end of the mesh enclosure 110 faces the front side of the fan 10, that is, on the front projection surface of the heat generating element 140, if the fan blade 120 stops rotating or rotates slowly due to a fault, the heat generated by the heat generating element 140 increases temperature rapidly, the heat generated by the heat generating element 140 flows upward, and the first overheat protection arranged on the periphery of the heat generating element 140 can sense the temperature rise of the heat generating element 140 sensitively in time, so that the heat generating element 140 is protected from power failure rapidly, and the first overheat protector 800 can protect the heat generating element 140 from overheat. The first overheat protector 800 is disposed at the circumferential side of the upper half portion of the heat generating member 140, thus further improving the induction sensitivity of the first overheat protection.

Further, when the fan 10 is toppled, the air outlet end of the mesh enclosure 110 is inclined upward or downward, that is, when the air outlet end of the mesh enclosure 110 is at an elevation angle or a depression angle, the heating element 140 is also inclined, the second overheat protector 900 is arranged at the air outlet side of the heating element 140, when the fan blades 120 stop rotating or rotate slowly due to failure, the heating element 140 rapidly heats up, heat generated by the heating element 140 flows upward, at this time, the second overheat protector 900 is closer to the heating element 140, and hot air flows through the second overheat protector 900, so that the second overheat protection can timely and sensitively sense the temperature rise of the heating element 140, thereby rapidly performing power-off protection on the heating element 140. Therefore, when the fan 10 is inclined, the second overheat protector 900 is arranged on the air outlet side of the heating element 140, so that the heating element 140 can be timely and sensitively subjected to overheat power-off protection.

In an embodiment, the first overheat protector 800 and the second overheat protector 900 are arranged at intervals and/or staggered along the extending direction of the airflow channel.

It can be appreciated that the first overheat protector 800 and the second overheat protector 900 are arranged at intervals along the extending direction of the air flow channel, so that the temperatures on the first overheat protector 800 and the second overheat protector 900 are not interfered with each other, which is beneficial to the accuracy of the temperatures respectively sensed by the first overheat protector 800 and the second overheat protector 900.

Further, the first overheat protector 800 and the second overheat protector 900 are arranged in a staggered manner along the extending direction of the airflow channel, so that the first overheat protector 800 and the second overheat protector 900 have enough distance from each other, and the distance between the first overheat protector 800 and the heating element 140 is different from the distance between the second overheat protector and the heating element 140, so that different inclined positions corresponding to the heating element 140 are facilitated, one of the first overheat protector 800 and the second overheat protector 900 can timely and sensitively sense the temperature rise of the heating element 140 when the distance between the first overheat protector and the second overheat protector is close to the heating element 140, and therefore the heating element 140 can be quickly subjected to power-off protection, and the use safety of the fan 10 is improved.

In one embodiment, the first overheat protector 800 comprises a first temperature limiter connected in series with the heat generating element 140; the second overheat protector 900 includes a second temperature limiter connected in series with the heat generating element 140 and connected in parallel with the first temperature limiter.

It can be appreciated that the first temperature limiter is connected in series with the heating element 140 to form a first loop, so that the first temperature limiter can individually limit and protect the heating element 140, and is used for automatically powering off when the temperature is too high, and the first temperature limiter is a resettable temperature controller.

Further, the second temperature limiter is used for automatically powering off when the temperature is too high, and the second temperature limiter is a resettable temperature controller; the second temperature limiter is connected in series with the heating element 140 to form a second loop, and the second temperature limiter is connected in parallel with the first temperature limiter, namely, the second loop is connected in parallel with the first loop, so that the second temperature limiter can independently limit and protect the heating element 140, the second temperature limiter and the first temperature limiter are not mutually interfered, and different temperature rise states of the heating element 140 can be corresponding to improve the safety of the fan 10 when using a warm air function.

In an embodiment, the first overheat protector 800 further comprises a first fuse connected in series with the first temperature limiter, the first fuse being connected in parallel with the second temperature limiter; and/or, the second overheat protector 900 further comprises a second fuse connected in series with the second temperature limiter, the second fuse being connected in parallel with the first temperature limiter.

It will be appreciated that the first fuse is adapted to fuse its own melt when the temperature is too high. The first fuse is connected in series on the first loop, and the first fuse is connected in parallel with the second loop, that is, the first fuse and the first temperature limiter can perform dual protection on the heating element 140, that is, perform dual protection on the heating element 140, so that the reliability of the first overheat protector 800 is improved.

Similarly, the second fuse is used for fusing the melt of the second fuse when the temperature is too high. The second fuse is connected in series on the second loop, and the second fuse is connected in parallel with the first loop, that is, the second fuse and the second temperature limiter can perform dual protection on the heating element 140, that is, perform dual protection on the heating element 140, so that the reliability of the second overheat protector 900 is improved.

Referring to fig. 4, 7 and 8, in an embodiment, the fan 10 further includes a filter 500, where the filter 500 is detachably disposed on the mesh enclosure 110 and located outside the mesh enclosure 110, so as to filter the air sucked and/or blown by the fan blades 120.

It will be appreciated that the filter 500 is disposed outside the mesh enclosure 110 and is removably coupled to the mesh enclosure 110 in a variety of ways, such as, but not limited to: the buckle is connected, or the screw is connected, or is glued through glue, specifically can set up as required. The filter 500 may include a filter screen 510 to filter air. In addition, the filter 500 may be provided on the air inlet side of the mesh enclosure 110, so that the sucked air can be filtered; the filter 500 may be disposed on the air outlet side of the mesh enclosure 110, so that the blown air can be filtered; of course, the filter 500 may be disposed on the air inlet side and the air outlet side of the mesh enclosure 110, so as to implement dual filtration to improve the filtering effect. Therefore, the fan 10 of the present application also has the function of purifying air, the fan 10 can blow clean cold air or hot air, and the practicability of the fan 10 of the present application is high.

Referring to fig. 7 and 8, in an embodiment, the mesh enclosure 110 has an air inlet side, and the driving member 130 is disposed in the mesh enclosure 110 and passes out of the mesh enclosure 110 toward the air inlet side.

It can be understood that the driving member 130 is disposed in the mesh enclosure 110, the driving member 130 occupies a certain space in the mesh enclosure 110, and the driving member 130 in the scheme passes out of the mesh enclosure 110 towards the air inlet side of the mesh enclosure 110, so that the space occupied by the driving member 130 in the mesh enclosure 110 is reduced, the space outside the mesh enclosure 110 is utilized, the space utilization inside and outside the mesh enclosure 110 is improved, the miniaturization of the mesh enclosure 110 is facilitated, and the heat dissipation of the driving member 130 is also facilitated.

In one embodiment, the filter element 500 is located on the air inlet side, and the filter element 500 is provided with a avoiding portion for avoiding the driving element 130. It can be understood that the filter element 500 is disposed outside the mesh enclosure 110 and on the air inlet side of the mesh enclosure 110, and the end of the driving element 130 facing the air inlet side passes out of the mesh enclosure 110, so as to avoid interference between the filter element 500 disposed on the mesh enclosure 110 and the portion of the driving element 130 passing out, the filter element 500 is provided with an avoiding portion, which may be in a hole shape, a groove shape, or other shapes, and is not limited herein. Through setting up dodging the portion for driving piece 130 can be smooth and easy wear out outside screen panel 110, and make the external filter element 500 of screen panel 110 of locating and the arrangement compact of driving piece 130, fan 10's wholeness is better.

In an embodiment, the filter 500 includes a filter 510, the filter 510 is provided with a avoiding hole 511, the filter 510 is disposed outside the mesh enclosure 110 and on the air inlet side, and the driving member 130 disposed outside the mesh enclosure 110 is disposed in the avoiding hole 511.

It is to be understood that the material of the filter screen 510 may be various, for example, a polyester screen, a fiber screen, a nylon screen, or the like, which is not limited herein. The avoidance hole 511 may be formed in the middle of the filter screen 510, or in any other position, in this embodiment, the center line of the avoidance hole 511 coincides with the center line of the filter screen 510, the filter screen 510 is sleeved on the driving member 130 located outside the mesh enclosure 110 through the avoidance hole 511, so that the space on the air inlet side of the mesh enclosure 110 is fully utilized, the filter screen 510 and the driving member 130 are not interfered with each other, the structure of the two is compact, the overall space utilization rate of the fan 10 is high, the miniaturization of the fan 10 and the reduction of the material consumption are facilitated, and the production cost is further reduced.

Referring to fig. 4 and 7, in an embodiment, the filter 500 further includes a filter cover 520, where the filter cover 520 is disposed outside the mesh enclosure 110 and covers the filter screen 510; the filter cover 520 is provided with a wind hole 521 and a avoiding groove, the filter screen 510 is disposed corresponding to the wind hole 521, and the end of the driving member 130 outside the mesh enclosure 110 is disposed in the avoiding groove.

It can be understood that the filter cover 520 is provided with a through-air hole 521, the through-air hole 521 is correspondingly arranged with the filter screen 510, when the fan blade 120 rotates, air sucked by the fan blade 120 sequentially passes through the through-air hole 521 and the filter screen 510, then enters the mesh enclosure 110, flows along the airflow channel of the mesh enclosure 110, and then is discharged from the air outlet side of the mesh enclosure 110, and the through-air hole 521 is used for passing through air.

Further, the filtering cover 520 is further provided with an avoidance groove for allowing the driving member 130 to penetrate out to the end portion of the screen 110, so that the end portion of the driving member 130 is covered in the filtering cover 520 by the avoidance groove, and the filtering cover 520 can protect the driving member 130, thereby being beneficial to improving the safety of the fan 10.

In an embodiment, a groove 311 is disposed on a side of the filter cover 520 facing the mesh enclosure 110, a limit portion is disposed at a notch of the groove 311, a limit groove is formed between the limit portion and a bottom of the groove 311 at intervals, the filter screen 510 is disposed in the limit groove, and the avoidance groove is disposed at a bottom of the limit groove.

It may be appreciated that the limiting portion may be a limiting block or a limiting ring, and is not limited herein, in this embodiment, the limiting portion includes a plurality of limiting blocks, the plurality of limiting blocks bypass the circumference of the filter cover 520 on the groove sidewall of the groove 311 and are sequentially arranged at intervals to form a limiting groove with the groove 311, the filter 500 is disposed in the limiting groove, and the limiting blocks limit the filter screen 510 to prevent the filter screen 510 from falling out of the limiting groove, so that the filter screen 510 can be stably installed in the filter cover 520, and the filter screen 510 is easy to be installed and replaced in the filter cover 520.

In one embodiment, the filter cap 520 is removably coupled to the mesh enclosure 110. It will be appreciated that there are a variety of ways in which the connection may be removable, such as a snap-fit connection, or by a connector. In this embodiment, the outer surface of the mesh enclosure 110 facing the air inlet side is provided with a groove 311, and the filter 500 is disposed in the groove 311, so that the filter 500 is convenient to be mounted.

Referring to fig. 1, in one embodiment, the fan 10 further includes a rotating bracket 600 and a base 700; the mesh enclosure 110 is rotatably arranged on the rotating bracket 600, and the rotation axis of the mesh enclosure 110 is arranged along the horizontal direction; and/or, the rotating bracket 600 is rotatably disposed on the base 700, and the rotation axis of the rotating bracket 600 is disposed along the vertical direction.

It will be appreciated that the shape of the rotating bracket 600 may be varied and is not limited in particular herein. The rotation axis of the mesh enclosure 110 is arranged along the horizontal direction and passes through the rotating bracket 600, that is, the mesh enclosure 110 can swing up and down relative to the rotating bracket 600, the angle of the up and down swinging of the fan head 100 can be 360 degrees, or 180 degrees, or other angles can be specifically set according to the needs, so that the fan 10 can emit air towards multiple directions, and the practicality of the fan 10 is improved.

Further, the fan 10 further includes an up-and-down oscillating driving mechanism, which is respectively connected to the mesh enclosure 110 and the rotating bracket 600, so as to drive the mesh enclosure 110 to rotate relative to the rotating bracket 600. The specific structure of the up-and-down swing driving mechanism is not limited herein, and the net cover 110 may be driven to rotate around a rotation axis along a horizontal direction relative to the rotation bracket 600. In an embodiment, the up-down oscillating driving mechanism comprises a horizontal rotating shaft, a first driving motor, a first driving gear and a first transmission gear, wherein the first driving gear is sleeved on a power output shaft of the first driving motor, the first driving gear is meshed with the first transmission gear, the first transmission gear is arranged in the vertical direction, the first driving motor is installed in the rotating bracket 600, the horizontal rotating shaft is fixedly connected with the first transmission gear, the horizontal rotating shaft is installed on the mesh enclosure 110 through a bearing, and the mesh enclosure 110 is rotatably connected with the rotating bracket 600 through the horizontal rotating shaft, so that the up-down oscillating function of the fan 10 is realized.

In one embodiment, the rotating stand 600 includes a support 610 and a stand 620, the support 610 is disposed at an upper end of the stand 620, the mesh enclosure 110 is rotatably disposed on the support 610, and the stand 620 is rotatably disposed on the base 700, that is, the stand 620 is disposed between the base 700 and the support 610. In this embodiment, the supporting frame 610 is disposed in a U shape, the mesh enclosure 110 is rotatably disposed on the supporting frame 610 disposed in the U shape, and the supporting frame 610 is disposed in an inclined manner so as to form an included angle with the horizontal direction, wherein the included angle is not less than 15 ° and not more than 60 °.

Further, the fan 10 further includes a left-right shaking driving mechanism, which is respectively connected to the base 700 and the rotating bracket 600, so as to drive the rotating bracket 600 to rotate relative to the base 700. So set up for fan head 100 can control the head, and the angle of fan head 100 control the head can be 360, perhaps 180, or other angles specifically can set up as required, so make fan 10 can be towards a plurality of direction air-out, are favorable to improving fan 10's practicality.

Further, the specific structure of the left-right shaking driving mechanism is not limited herein, and the rotating bracket 600 may be driven to rotate around the rotation axis along the vertical direction relative to the base 700. In an embodiment, the left-right shaking driving mechanism comprises a vertical rotating shaft, a second driving motor, a second driving gear and a second transmission gear, the second driving motor is installed in the base 700, the second driving gear is sleeved on a power output shaft of the second driving motor, the second driving gear is meshed with the second transmission gear, the second transmission gear is arranged in the horizontal direction, the vertical rotating shaft is fixedly connected with the second transmission gear, the vertical rotating shaft is installed in the rotating bracket 600 through a bearing, and the rotating bracket 600 is rotatably connected with the base 700 through the vertical rotating shaft, so that the left-right shaking function of the fan 10 is realized.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. A fan, comprising:

The fan head comprises a net cover, fan blades, a driving piece and a heating piece, wherein the net cover is provided with an airflow channel, the fan blades are arranged in the airflow channel, and the driving piece is in driving connection with the fan blades so as to drive the fan blades to rotate; the heating element is arranged in the airflow channel and is used for heating air;

the heat insulation piece is arranged in the airflow channel and sleeved outside the heating piece along the axial direction of the fan blade; and

The driving support is arranged in the airflow channel, the driving piece is arranged on the driving support, the driving support and/or the heat insulation piece is arranged on the mesh cover, and the driving support and the heat insulation piece are integrally formed.

2. The fan of claim 1, wherein the driving member includes a driving body and a driving shaft provided on the driving body, the driving shaft being connected to the fan blade, the driving bracket includes a partition portion, the driving body is provided on the partition portion, and the partition portion is provided between the driving body and the heat generating member to separate the driving body and the heat generating member.

3. The fan of claim 2, wherein the mesh enclosure has an air inlet side, the driving body is disposed between the partition and the air inlet side, and the driving body, the partition, the heat generating element, and the fan blades are sequentially arranged along an axial direction of the fan blades;

and/or the partition part is provided with a groove towards the air inlet side of the mesh enclosure, and at least part of the driving body is arranged in the groove.

4. The fan of claim 2, wherein the driving bracket further comprises a fixing portion, the fixing portion is disposed on a side of the partition portion facing the fan blade, and the heat generating member is detachably disposed on the fixing portion.

5. The fan as claimed in claim 4, wherein the heat generating member includes a heat generating bracket and a heat generating wire, the heat generating wire is disposed on an outer circumferential wall of the heat generating bracket, and the heat generating bracket is detachably disposed on the fixing portion.

6. The fan of claim 5, wherein the drive body has a body projection along an axial direction of the fan blade, the body projection falling on the heat generating bracket and being spaced apart from the heat generating wire along a radial direction of the fan blade.

7. The fan of claim 1, further comprising a net ion generator disposed on the mesh enclosure and/or the thermal shield and within the airflow passage for generating net ions within the airflow passage.

8. The fan of claim 1, further comprising a plurality of overheat protectors disposed in the air flow passage and electrically connected to the heat generating members, respectively, for overheat protection of the heat generating members, the overheat protectors being sequentially arranged along an extending direction of the air flow passage, at least one of the overheat protectors being disposed on an air outlet side of the heat generating members.

9. The fan of claim 1, further comprising a filter element removably disposed on the screen and positioned outside the screen for filtering air drawn into and/or blown out of the fan blades.

10. The fan of any of claims 1 to 9, further comprising a rotating bracket and a base; the net cover is rotatably arranged on the rotating bracket, and the rotating axis of the net cover is arranged along the horizontal direction; and/or the number of the groups of groups,

The rotating support is rotatably arranged on the base, and the rotating axis of the rotating support is arranged along the vertical direction.