CN215873744U - Safe hurricane barrel - Google Patents

Abstract

The utility model provides a safe hurricane barrel, which comprises an airflow inlet, a shell and a control circuit board, wherein the control circuit board is arranged in the shell, and the airflow inlet corresponds to the control circuit board; the length ratio between the control circuit board and the insulating connecting piece is 1: 0.6-1: 0.9. According to the safe hurricane barrel, the insulating connecting piece is arranged between the airflow inlet and the control circuit board, so that the insulating connecting piece can increase the creepage distance between the control circuit board and other internal elements or external hands, the creepage distance can meet corresponding safety standards, abnormal conduction between the control circuit board and other parts is avoided, normal use of the control circuit board is guaranteed, meanwhile, safety accidents such as fire disasters and electric shocks are avoided, and long-term safe use of the hurricane barrel is facilitated.

Description

Safe hurricane barrel

Technical Field

The utility model belongs to the technical field of personal care products, and particularly relates to a hurricane cylinder safe to use.

Background

Hurricane drums are important care products in daily life of people and are mainly used for hair drying, hair styling and the like. Due to the structural characteristics of the existing part of hurricane cylinders, the control circuit board in the shell is easy to generate abnormal creepage with other parts or the outside, so that the control circuit board is damaged, and even a fire disaster occurs; if the hand position of the user corresponds to the control circuit board in the using process, even safety accidents such as electric shock and the like can occur, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at least to solve the problems and provides a hurricane cylinder which is safe to use, can avoid abnormal creepage of a control circuit board and is beneficial to safe use.

The utility model provides a safe hurricane barrel, which comprises an airflow inlet, a shell and a control circuit board, wherein the control circuit board is arranged in the shell, the airflow inlet corresponds to the control circuit board, the hurricane barrel also comprises an insulating connecting piece, and the insulating connecting piece is arranged between the airflow inlet and the control circuit board so as to increase the creepage distance of the control circuit board; the length ratio between the control circuit board and the insulating connecting piece is 1: 0.6-1: 0.9.

According to the safe-to-use hurricane barrel, the insulating connecting piece is arranged between the airflow inlet and the control circuit board, so that the creepage distance between the control circuit board and other internal elements or external hands can be increased by the insulating connecting piece, the creepage distance can greatly meet corresponding safety standards, abnormal creepage between the control circuit board and other parts is avoided, abnormal conduction between the control circuit board and each part is further avoided, the control circuit board is ensured to be normally used, meanwhile, safety accidents such as fire, electric shock and the like are avoided, and the long-term safe use of the hurricane barrel is facilitated; the length ratio between the control circuit board and the insulating connecting piece is 1: 0.6-1: 0.9, so that the insulating connecting piece can enhance the safety of the hurricane cylinder and avoid or reduce the influence of the insulating connecting piece on the air inlet amount of the hurricane cylinder.

In one embodiment, the insulating connector is capable of directing the airflow entering from the airflow inlet and causing the airflow to flow straight or in a reverse direction in the airflow path.

So set up, insulating connecting piece can not obstruct the flow of air current in hurricane cylinder, and then avoids insulating connecting piece to influence the air-out speed of hurricane cylinder, when guaranteeing hurricane cylinder safe handling, other functions are not influenced, do benefit to the use.

In one embodiment, a first air flow area and a second air flow area are formed between the insulating connector and the air flow inlet, the air flow in the first air flow area and the air flow in the second air flow area both flow towards the insulating connector, and the air flow in the first air flow area flows through the second air flow area and flows towards the air flow outlet.

According to the arrangement, the first air flow area and the second air flow area introduce air flow towards the insulating connecting piece, so that the air flow can smoothly enter the hurricane barrel, the air flow in the first air flow area flows through the second air flow area and further enters the air flow passage, and therefore the air flow near the insulating connecting piece can be guided deeply, the air flow in the hurricane barrel can flow conveniently, and smooth blowing of the hurricane barrel is further facilitated.

In one embodiment, at least a part of a surface of the insulating connector facing away from the control circuit board is inclined in a direction from one end to the other end, and a relatively lower horizontal position in the inclined portion is close to the airflow outlet.

So set up, the surface that insulating connecting piece deviates from control circuit board side is at least partly for the inclined plane, and then this inclined plane can the direction air current flow for the air current flows more smoothly in hurricane cylinder, and the relative lower department in horizontal position in the inclined plane is close to the air outlet, further guides the air current to blow out hurricane cylinder, does benefit to smoothly blowing of hurricane cylinder.

In one embodiment, the hurricane tube further comprises a filter element disposed in the housing, and at least a portion of the filter element is located between the airflow inlet and the insulating connector.

So set up, filter the piece and can filter the air current that gets into by the air current import, avoid in debris such as dust get into hurricane cylinder, do benefit to the safe handling of hurricane cylinder.

In one embodiment, the insulating connector can guide the installation of the filter element; and/or the presence of a gas in the gas,

the insulating connecting piece can guide the dismantlement of filtering the piece.

So set up, insulating connecting piece can make to filter smooth and easy installation or dismantlement, promotes the motion reliability of filtering piece, is convenient for filter the clearance of piece.

In one embodiment, the insulating connecting piece is provided with a first connecting portion, and the filter element and/or the housing is provided with a second connecting portion, the first connecting portion being connected to the second connecting portion to fix the insulating connecting piece.

In one embodiment, the insulating connector is positioned at least partially between the filter element and the control circuit board.

So set up, insulating connecting piece can further increase and filter the creepage distance between piece and the control circuit board, prevents to filter and takes place unusual electrically conductive between piece and the control circuit board, further ensures the safe handling of hurricane cylinder.

In one embodiment, the insulating connector is provided with a first positioning portion, the filter element and/or the housing is provided with a second positioning portion, and one of the first positioning portion and the second positioning portion at least partially extends into the other one of the first positioning portion and the second positioning portion to position the insulating connector.

By the arrangement, the insulating connecting piece can be quickly positioned through the first positioning part and the second positioning part, so that the insulating connecting piece is convenient to quickly install; and the first positioning part and the second positioning part can also simplify the positioning structure, and smooth air outlet of the hurricane cylinder is facilitated.

So set up, can realize insulating connecting piece's fixed through first connecting portion and second connecting portion, simplify hurricane cylinder inner structure, avoid hurricane cylinder to influence the air output because of inner structure is complicated.

In one embodiment, the insulating connector further has a receiving groove for receiving an electronic component on the control circuit board.

So set up, insulating connecting piece can dodge each electronic component on the control circuit board through the storage tank, ensures that insulating connecting piece installs smoothly.

In one embodiment, the insulating connector is provided with heat dissipation holes, the heat dissipation holes allow part of the air flow to pass through to form a third air flow area, and the third air flow area can dissipate heat of electronic components on the control circuit board and enter the air flow passage.

So set up, the third air current region can flow in few air currents, and this few air currents can dispel the heat to electronic component on the control circuit board, and then do benefit to the life who prolongs control circuit board.

In one embodiment, the insulating connector is provided with a groove, and the heat dissipation holes are formed in the side wall of the groove.

So set up, set up the louvre at the lateral wall of recess, and then the diapire and other lateral walls of recess can hinder the air current and flow in to avoid the air current to flow in a large number between insulating connecting piece and the control circuit board, and can slow down the speed that the air current flows in, avoid the air current because of gushing in fast and produce the vortex with the electronic component effect on the control circuit board, and then do benefit to the even air-out of hurricane fan section.

In one embodiment, the insulating connector is arcuate in shape.

So set up, curved insulating connecting piece has increased corresponding surface extension area, and then further increase the path distance that electron removed along insulating connecting piece surface on the control circuit board to the creepage distance of increase control circuit board and other positions strengthens insulating connecting piece's reliability.

In one embodiment, the housing further defines an accommodating space, and the accommodating space is directly communicated with the airflow inlet; the control circuit board is arranged in the accommodating space, at least part of the control circuit board is directly exposed relative to the airflow inlet, and the control circuit board is shielded by the insulating connecting piece.

So set up, the accommodation space directly communicates the air current import, and the relative air current import of control circuit board part at least is direct naked, and then does benefit to the control circuit board heat dissipation, further does benefit to hurricane cylinder and uses for a long time, and shelters from the naked part of control circuit board through insulating connecting piece, and when it can strengthen hurricane cylinder security, the inner structure of further simplifying hurricane cylinder avoids inner structure too complicated and influences the air output, does benefit to hurricane cylinder and bloies.

Drawings

FIG. 1 is a schematic structural view of a hurricane in one embodiment of the present invention;

FIG. 2 is a schematic structural view of the hurricane barrel of FIG. 1 with the housing omitted;

FIG. 3 is a schematic view of the cyclone cartridge of FIG. 2 with the filter elements omitted;

FIG. 4 is a schematic structural view of another perspective of the hurricane cylinder shown in FIG. 3;

FIG. 5 is a schematic structural view of an inner shell of the hurricane cylinder of FIG. 1;

FIG. 6 is a schematic diagram of the filter element of the hurricane cylinder of FIG. 2;

FIG. 7 is a schematic structural view of a filter element, an insulating connector and a control circuit board in the hurricane drum shown in FIG. 2;

FIG. 8 is a cross-sectional view of the hurricane barrel of FIG. 1 taken along A-A;

FIG. 9 is an enlarged partial view of the hurricane cylinder shown in FIG. 8 at section B;

FIG. 10 is a schematic view of the insulated connector diversion of the hurricane cylinder of FIG. 2;

FIG. 11 is a schematic view of the cyclone cylinder of FIG. 3 from another perspective;

FIG. 12 is a schematic view of the configuration of the insulated connectors in the hurricane cylinder shown in FIG. 3;

FIG. 13 is a schematic view of the insulated connector shown in FIG. 12 from another perspective;

FIG. 14 is a schematic view of the configuration of the insulated connectors in the hurricane cylinder shown in FIG. 4;

FIG. 15 is a schematic view of the insulated connector of FIG. 14 from another perspective;

fig. 16 is a schematic view of the structure of the insulating connector shown in fig. 12 and the groove in the insulating connector shown in fig. 14.

Description of reference numerals: 100. a hurricane cylinder; 10. a housing; 11. a housing; 111. a first housing; 112. a second housing; 12. an inner shell; 121. an accommodating space; 122. a flow port; 123. an airflow outlet; 13. an airflow inlet; 14. a second connecting portion; 15. a second positioning portion; 20. a control circuit board; 30. a filter member; 31. a holding portion; 32. a bracket part; 33. a screen section; 40. an insulating connector; 41. a first gas flow region; 42. A second gas flow region; 43. a third gas flow region; 44. heat dissipation holes; 45. a groove; 451. a side wall; 452. A bottom wall; 46. a containing groove; 47. a step portion; 471. building a platform; 472. a holding table; 48. a first connection portion; 49. a first positioning portion.

Detailed Description

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

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

The hurricane barrel is characterized by further comprising an insulating connecting piece, and the insulating connecting piece is arranged between the air flow inlet and the control circuit board so as to increase the creepage distance of the control circuit board. As described in detail below. As described in detail below.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a hurricane cylinder according to an embodiment of the present invention. The utility model provides a safe hurricane barrel 100, the hurricane barrel 100 can blow out hot air, normal temperature wind or cold air to meet various hair care and blowing requirements of users; the user can use the hurricane drum 100 to rapidly dry or style hair, which is convenient for life.

In the present embodiment, the hurricane drum 100 is applied to daily household life, and may be a hand-held type, a pedestal type, or a wall-hanging type; it is understood that in other embodiments, the hurricane 100 may be used in a laboratory, physical therapy room, art designer or other industrial production needs, and of course, the hurricane 100 may be used in local drying, heating or physical therapy in addition to hair care, styling and is not particularly limited.

Referring to fig. 2 to 4, fig. 2 is a schematic structural view of the hurricane barrel shown in fig. 1 with the outer casing omitted;

FIG. 3 is a schematic view of the cyclone cartridge of FIG. 2 with the filter elements omitted; fig. 4 is a schematic view of another perspective of the hurricane cylinder shown in fig. 3. The hurricane barrel 100 comprises a shell 10, a control circuit board 20, a filter piece 30 and an insulating connector 40, wherein the control circuit board 20 and the filter piece 30 are both connected with the shell 10, and the insulating connector 40 is arranged between the control circuit board 20 and the filter piece 30; the control circuit board 20 is used to control various components within the hurricane cylinder 100, the filter element 30 is used to filter the air flow entering the hurricane cylinder 100, and the insulating connector 40 is used to increase the creepage distance of the control circuit board 20.

Referring to fig. 5, fig. 5 is a schematic structural view of an inner casing of the hurricane drum shown in fig. 1. In this embodiment, the housing 10 includes an outer shell 11 and an inner shell 12, the outer shell 11 includes a first outer shell 111 and a second outer shell 112, the inner shell 12 is provided with an accommodating space 121 for accommodating each component, and the first outer shell 111 and the second outer shell 112 are respectively disposed on two sides of the inner shell 12, so that the first outer shell 111 and the second outer shell 112 cover the inner shell 12, and further protect the components in the inner shell 12; it is understood that in other embodiments, the housing 10 may be a single housing 10 that is integrally formed; or the housing 10 includes an outer shell 11 and an inner shell 12, and the outer shell 11 is a single integral body and covers the inner shell 12, and is not limited in particular.

The accommodating space 121 is provided with a fan unit (not shown), a control circuit board 20 and other components, wherein the fan unit is connected with the control circuit board 20; the fan unit can draw an air flow from the outside by rotating, thereby causing the hurricane tube 100 to blow toward the outside; the control circuit board 20 can control the size of the air flow extracted by the fan unit, so as to control the blowing amount of the hurricane cylinder 100, and the control circuit board 20 can also control other components to work together with the fan unit, so as to adjust the parameters of the temperature, the humidity and the like of the blowing air.

In this embodiment, the first outer shell 111 and the second outer shell 112 are fixed to the inner shell 12 by clamping, so that the first outer shell 111 and the second outer shell 112 are convenient to detach, and when the first outer shell 111 or the second outer shell 112 is damaged, the replacement is convenient; it is understood that in other embodiments, the first outer shell 111 and the second outer shell 112 may be connected to the inner shell 12 by other connecting means such as screw fasteners or hinges.

Referring to fig. 1 again, at least one of the first outer casing 111 and the second outer casing 112 is formed with an airflow inlet 13, the airflow inlet 13 is directly communicated with the accommodating space 121, the airflow inlet 13 corresponds to the control circuit board 20 in the inner casing 12, and the hurricane barrel 100 can draw an external airflow through the airflow inlet 13 and blow out the external airflow, thereby drying or shaping the hair. In the embodiment, the shells 10 of the first shell 111 and the second shell 112 are both provided with the airflow inlets 13, and the hurricane cylinder 100 can simultaneously extract airflow from a plurality of airflow inlets 13, so that the hurricane cylinder 100 has a larger air output to meet the use requirement of a user with a large air output; it is understood that, in other embodiments, the airflow inlet 13 may be opened only in one of the first casing 111 and the second casing 112, or the first casing 111 and the second casing 112 may be enclosed as the airflow inlet 13, which is not limited in particular.

In this embodiment, the airflow inlet 13 is an air inlet group formed by an air inlet array, and the air inlet group can primarily filter external airflow while allowing the airflow to pass through, so as to prevent large-particle impurities from entering the hurricane cylinder 100, thereby facilitating protection of the hurricane cylinder 100; it will be appreciated that in other embodiments, the airflow inlet 13 may be a separate opening.

The airflow inlet 13 on the first housing 111 is aligned with the airflow inlet 13 on the second housing 112, so that the airflow entering the hurricane cylinder 100 from different airflow inlets 13 can be flexibly converged, and two airflows are prevented from being blown out in a staggered manner, so that the air outlet of the hurricane cylinder 100 is more uniform, and the use comfort of a user is improved.

The end of the inner shell 12 close to the airflow inlet 13 is provided with a through-flow opening 122, the other end is provided with an airflow outlet 123, and the airflow inlet 13, the through-flow opening 122 and the airflow outlet 123 together form an airflow passage which allows the airflow entering the hurricane cylinder 100 to smoothly flow through, thereby realizing smooth airflow extraction and blowing of the hurricane cylinder 100.

The filter element 30 is disposed between the outer shell 11 and the inner shell 12, and can be hidden in the casing 10 or at least partially exposed outside the casing 10 by sliding. When the filter element 30 is hidden in the shell 10, at least part of the filter element 30 is positioned between the airflow inlet 13 and the insulating connector 40, and can filter the airflow entering the hurricane barrel 100, further prevent the impurities such as dust from entering the shell 10, avoid safety accidents caused by the blockage of the impurities such as dust, and is beneficial to normal use; when the filter element 30 is at least partially exposed outside the housing 10, the exposed portion thereof is convenient for a user to clean, thereby simplifying the cleaning operation and facilitating the use.

Referring also to fig. 6, fig. 6 is a schematic view of a filter element in the hurricane drum shown in fig. 2. Specifically, the filter element 30 includes a support portion 31, a bracket portion 32 and a filter screen portion 33, the bracket portion 32 is connected to the support portion 31, and the filter screen portion 33 is connected to the bracket portion 32; the abutting portion 31 is used for limiting the sliding of the filter element 30, the bracket portion 32 is used for supporting the filter screen portion 33, and the filter screen portion 33 is used for filtering the air flow.

The bracket part 32 is slidably connected to at least one of the outer shell 11 and the inner shell 12, so as to be capable of sliding relative to the shell 10, and further realize corresponding hiding movement and exposing movement; when the support part 32 extends into a certain distance, the support part 31 supports the shell 10 to limit the whole extension of the filter part 30, so that the transmission structure is prevented from being damaged due to the fact that the filter part 30 slides too deep, the reliability of the hurricane fan drum 100 is improved, the support part 32 is completely hidden between the outer shell 11 and the inner shell 12 at the moment, the filter screen part 33 corresponds to the air flow inlet 13 and corresponds to part of the control circuit board 20, and therefore the filter screen part 33 can filter the entering air flow, dust and other impurities are prevented from falling on the control circuit board 20, and the hurricane fan drum 100 is beneficial to long-term use; when the support portion 32 extends out of the casing 10, the filter screen portion 33 is exposed between the inner casing 12 and the outer casing 11, and thus the exposed portion of the filter screen portion 33 outside the casing 10 can be cleaned, which is beneficial to use.

In the present embodiment, the housing 11 is provided with a sliding slot, and the support portion 32 is slidably disposed in the sliding slot, so as to easily realize the slidable movement of the filter member 30; it is understood that the bracket portion 32 may be slidably connected to the inner shell 12 in other embodiments, and other sliding methods may be used to achieve the above-mentioned purpose.

At least two of the bracket part 32, the filter screen part 33 and the abutting part 31 are of an integrally formed structure, so that two parts adopting the integrally formed structure have better connection stability, the integral reliability of the filter element 30 is further enhanced, and the use is facilitated; meanwhile, the connection operation among all the parts can be reduced by integral forming, and the production is convenient. In the present embodiment, the abutting portion 31 and the bracket portion 32, and the screen portion 33 and the bracket portion 32 are integrally formed; it is understood that in other embodiments, the abutting portion 31 and the bracket portion 32 may be of a separate structure, and may be fixed by other methods such as ultrasonic welding, clamping, or screwing, and the filter screen portion 33 and the bracket portion 32 may also be fixed by other connection methods such as adhesive connection.

The support part 32 is further provided with a reinforcing rib (not shown), the reinforcing rib is connected with the filter screen part 33, the reinforcing rib can enhance the strength of the filter screen part 33, and further the service life of the filter screen part 33 is enhanced. In the present embodiment, the reinforcing rib continuously extends from one end of the filter screen part 33 to the other end, and is overlapped with the symmetrical axis of the filter screen part 33, so that the reinforcing rib can uniformly increase the strength of the filter screen part 33, which is beneficial to use; it will be appreciated that in other embodiments, the ribs may be spaced at intervals in multiple stages on the screen part 33, and may of course be connected to other parts of the screen part 33.

Referring to fig. 7, fig. 7 is a schematic structural diagram of a filter element, an insulating connector and a control circuit board in the hurricane cylinder shown in fig. 2. The insulating connector 40 is located between the filter element 30 and the control circuit board 20, and thus the insulating connector 40 can increase the creepage distance of the control circuit board 20 and prevent the control circuit board 20 from conducting abnormally with internal elements, for example, prevent the control circuit board 20 from conducting abnormally with the filter element 30, the control circuit board 20 from conducting abnormally with the housing 11, and the like; while also preventing the control circuit board 20 from conducting electricity with the outside, for example, between the control circuit board 20 and the user's hand; thereby ensuring safe use of the hurricane drum 100.

In this embodiment, the control circuit board 20 is disposed in the accommodating space 121, and at least a portion of the control circuit board 20 is directly exposed relative to the airflow inlet 13, so as to facilitate heat dissipation of electronic components on the control circuit board 20, and the exposed portion is shielded from the airflow inlet 13 by the insulating connector 40, so that the safety of the hurricane cylinder 100 is enhanced, the internal structure of the hurricane cylinder 100 is further simplified, the influence of the too complex internal structure on the air output is avoided, and the air blowing of the hurricane cylinder 100 is facilitated; it is understood that in other embodiments, other components may be disposed between the control circuit board 20 and the airflow inlet 13 to meet different operating requirements.

In the embodiment, two sides of the insulating connector 40 are respectively contacted with the electronic element on the control circuit board 20 and the filter element 30, so that the path distance between the electronic element on the control circuit board 20 and other internal or external parts along the surface of the insulating connector 40 can be effectively increased, the creepage distance of the control circuit board 20 can be further increased, and the safe use of the hurricane cylinder 100 can be ensured; it is understood that, in other embodiments, the insulating connecting member 40 may be spaced from the control circuit board 20 according to different working conditions, as long as the requirements of the corresponding working conditions can be met.

In the embodiment, the shape of the insulating connector 40 is approximately arc-shaped, and the arc-shaped insulating connector 40 increases the corresponding surface extension area, thereby further increasing the path distance of the electronic movement on the control circuit board 20, enhancing the reliability of the insulating connector 40 and being beneficial to the safe use of the hurricane barrel 100; it is understood that in other embodiments, the insulating connector 40 may have other shapes as long as the surface extension area can be increased.

Referring also to fig. 8-10, fig. 8 is a cross-sectional view of the hurricane barrel of fig. 1 taken along line a-a; FIG. 9 is an enlarged partial view of the hurricane cylinder shown in FIG. 8 at section B; fig. 10 is a schematic view of the insulated connector diversion of the hurricane cylinder of fig. 2. A first air flow area 41, a second air flow area 42 and a third air flow area 43 are formed between the insulating connector 40 and the air flow inlet 13, the air flows in the first air flow area 41 and the second air flow area 42 both flow towards the insulating connector 40, and the air flow in the first air flow area 41 flows towards the vent 122 and the air flow outlet 123 through the second air flow area 42, so that the flow guide of the insulating connector 40 can be enhanced, and the air can be blown by the hurricane barrel 100; the air flow in the third air flow region 43 flows between the insulating connector 40 and the control circuit board 20, and can dissipate the heat of the electronic components on the control circuit board 20, thereby being beneficial to the long-term use of the control circuit board 20; and at the through-flow opening 122, the air flow in the third air flow region 43, the air flow in the first air flow region 41 and the air flow in the second air flow region 42 are merged and flow towards the air flow outlet 123 together, so that the hurricane cylinder 100 blows out a larger air flow, and the large-wind-volume use requirement of a user can be met.

The length ratio between the control circuit board 20 and the insulating connector 40 is 1: 0.6-1: 0.9, so that the insulating connector 40 can reduce or avoid the influence on the air inlet amount of the hurricane cylinder 100 while enhancing the safety of the hurricane cylinder 100, and is favorable for smooth air blowing of the hurricane cylinder 100. In the embodiment, the length ratio between the control circuit board 20 and the insulating connecting piece 40 is 1:0.7, so that the insulating connecting piece 40 can cover electronic elements which are easy to generate creepage on the control circuit board 20, and has a better flow guiding effect and higher cost performance; it is understood that in other embodiments, the length ratio between the control circuit board 20 and the insulating connector 40 may have other values to meet different operating requirements.

Referring to FIGS. 11-15, FIG. 11 is a schematic structural view of the hurricane cylinder of FIG. 3 from another perspective; FIG. 12 is a schematic view of the configuration of the insulated connectors in the hurricane cylinder shown in FIG. 3; FIG. 13 is a schematic view of the insulated connector shown in FIG. 12 from another perspective; FIG. 14 is a schematic view of the configuration of the insulated connectors in the hurricane cylinder shown in FIG. 4;

fig. 15 is a schematic view of the insulated connector shown in fig. 14 from another perspective. The insulating connector 40 is opened with heat dissipation holes 44, and the heat dissipation holes 44 allow a small portion of the air flow to pass through to form a third air flow region 43. In the present embodiment, the heat dissipation holes 44 are disposed at one end of the insulating connector 40 close to the vent 122, so that the airflow for heat dissipation between the insulating connector 40 and the control circuit board 20 can smoothly flow into the vent 122, thereby avoiding formation of vortex and facilitating uniform air outlet of the hurricane barrel 100; it is understood that in other embodiments, the heat dissipation holes 44 may be disposed at other positions of the insulating connection member 40 according to different working conditions.

Referring to fig. 16, fig. 16 is a schematic structural diagram of the insulating connecting member shown in fig. 12 and the groove in the insulating connecting member shown in fig. 14. One side of the insulating connector 40 departing from the control circuit board 20 is provided with a groove 45, at least one side wall 451 of the groove 45 is provided with a heat dissipation hole 44, thereby other side walls 451 and the bottom wall 452 of the groove 45 can prevent the air flow from flowing into the space between the insulating connector 40 and the control circuit board 20 in a large amount, and can slow down the speed of the air flow flowing into the space between the insulating connector 14 and the control circuit board, further avoid the air flow from generating vortex due to the action of a large amount of and quick inflow with the electronic elements on the control circuit board 20, ensure the uniform air outlet of the hurricane barrel 100, and be beneficial to improving the comfort level of users.

In the present embodiment, the number of the grooves 45 is plural, the grooves 45 are spaced and arranged in parallel along the surface of the insulating connector 40, and the two relatively long side walls 451 of each groove 45 are provided with heat dissipation holes 44; it can be understood that, in other embodiments, the plurality of grooves 45 may be arranged in other manners, and one or three heat dissipation holes 44 may be formed in each groove 45 as long as the requirements of corresponding working conditions can be met.

The insulating connector 40 can also guide the airflow entering from the airflow inlet 13 and flowing through the filter 30, so that the airflow smoothly flows in a straight direction or a turning direction in the airflow path, and further the insulating connector 40 is prevented from blocking the airflow, the air outlet speed of the hurricane cylinder 100 is not affected, and the hurricane cylinder 100 is favorably used.

In the present embodiment, since the airflow inlet 13 is opened on the housing 11, the incoming airflow is guided by the insulating connector 40 and turns to flow; it is understood that in other embodiments, when the airflow inlet 13 is provided on the end wall of the hurricane 100, the incoming airflow may also flow straight after being directed through the insulated connector 40.

Referring to fig. 11, 12 and 14 again, at least a portion of the surface of the side of the insulating connector 40 facing away from the control circuit board 20 is inclined from one end to the opposite end, and further at least a portion of the surface of the insulating connector 40 is an inclined surface, which can better guide the airflow to flow, so that the airflow can flow more smoothly in the hurricane barrel 100; and the relatively lower position of the middle horizontal position of the inclined part is close to the airflow outlet 123, so that the relatively lower end of the inclined part is close to the airflow outlet 123, thereby being beneficial to guiding the airflow to flow to the airflow outlet 123 by the insulating connecting piece 40 and further being beneficial to smooth blowing of the hurricane barrel 100.

In this embodiment, a part of the surface of the insulating connector 40 on the side away from the control circuit board 20 is an inclined surface, and an avoiding structure needs to be arranged on the other part of the surface to ensure that the insulating connector 40 is smoothly installed, so as to ensure that the hurricane cylinder 100 is normally used; it is understood that in other embodiments, the side of the insulated connector 40 facing away from the control circuit board 20 may be entirely sloped, depending on the internal structure of the hurricane 100. Of course, the inclined surface may be an inclined surface with a constant slope or an inclined surface with a varying slope, as long as the inclined surface is inclined in a general direction and can guide the flow.

The avoiding structure of the insulating connecting member 40 is a containing groove 46, the containing groove 46 is recessed along the direction deviating from the control circuit board 20, and the containing groove 46 is used for containing electronic elements occupying a large space on the control circuit board 20, such as coils, capacitors and the like, so that the insulating connecting member 40 is ensured to be installed smoothly. In the present embodiment, the insulating connectors 40 are disposed between the first outer shell 111 and the inner shell 12 and between the second outer shell 112 and the inner shell 12, wherein the receiving slot 46 of one of the insulating connectors 40 is circular and is used for receiving the coil, and the receiving slot 46 of the other insulating connector is substantially arched and is used for receiving the capacitor; it is understood that in other embodiments, the accommodating groove 46 may have a regular shape such as a rectangle, a triangle, etc., or an irregular shape, depending on the shape of the electronic component.

In the present embodiment, the insulating connector 40 can guide the installation and removal of the filter element 30, thereby facilitating the cleaning operation of the filter element 30 and improving the comfort level of the user; it is understood that in other embodiments, the insulating connector 40 may only guide the installation or removal of the filter element 30 according to different working requirements.

Referring to fig. 7, 12 to 15 again, a step portion 47 is disposed on one side of the insulating connector 40 close to the filter element 30, the step portion 47 extends along the length direction of the insulating connector 40, and includes a carrying platform 471 and a supporting platform 472 connected to each other; wherein, carry on the platform 471 and can carry on the limit portion of stake portion 32 to the removal of guiding support portion 32 supports to hold platform 472 and supplies stake portion 32 to support and lean on, thereby positioning support portion 32, and then can smoothly slide along expected direction when filtering piece 30 atress, promotes the smoothness nature of operation, does benefit to hurricane 100's use.

The insulating connector 40 connects at least one of the filter 30 and the housing 10, thereby ensuring a stable installation in the hurricane tube 100 and ensuring a good connection reliability of the hurricane tube 100 as a whole. In the present embodiment, the insulating connector 40 is connected to the housing 10; it is understood that in other embodiments, the insulating connector 40 may connect the filter element 30 and the housing 10, or may connect only the filter element 30.

The insulating connector 40 is provided with the first connecting part 48, the filter element 30 and/or the shell 10 is provided with the second connecting part 14, and the first connecting part 48 is connected with the second connecting part 14 to realize the fixation of the insulating connector 40, so that the internal structure of the hurricane cylinder 100 is simplified, the air output of the hurricane cylinder 100 is prevented from being influenced due to the complex internal structure, and the hurricane cylinder 100 is favorably used. In this embodiment, the first connecting portion 48 is a clip, the second connecting portion 14 is located on the inner shell 12 and forms an edge of the accommodating space 121 for the inner shell 12, and when the insulating connecting member 40 is installed, the clip can extend into the accommodating space 121 and be clipped to the edge of the inner shell 12, so as to fix the insulating connecting member 40; it is understood that, in other embodiments, the second connecting portion 14 may also be a slot opened on the inner shell 12, and is not limited to the specific one as long as the above purpose can be achieved.

The insulating connector 40 is at least partially positioned between the filter element 30 and the control circuit board 20, thereby facilitating to increase the creepage distance between the filter element 30 and the control circuit board 20, preventing the abnormal conduction between the filter element 30 and the control circuit board 20, and ensuring the safe use of the hurricane tube 100.

The insulating connector 40 is provided with a first positioning part 49, the filtering piece 30 and/or the casing 10 is provided with a second positioning part 15, one of the first positioning part 49 and the second positioning part 15 at least partially extends into the other one, so that the insulating connector 40 is positioned, and the first positioning part 49 and the second positioning part 15 can also simplify the positioning structure, thereby facilitating the quick installation of the insulating connector 40 and facilitating the smooth air outlet of the hurricane barrel 100.

In this embodiment, the first positioning portion 49 is a positioning groove, the second positioning portion 15 is located on the inner shell 12 and is a positioning block, and the positioning block can extend into the positioning groove to position the insulating connector 40, so as to facilitate installation of the insulating connector 40; it is understood that in other embodiments, the first positioning portion 49 and the second positioning portion 15 may have other positioning structures.

According to the safe hurricane barrel, the insulating connecting piece is arranged between the airflow inlet and the control circuit board, so that the insulating connecting piece can increase the creepage distance between the control circuit board and other internal elements or external hands, the creepage distance can meet corresponding safety standards, abnormal conduction between the control circuit board and other parts is avoided, normal use of the control circuit board is guaranteed, meanwhile, safety accidents such as fire disasters and electric shocks are avoided, and long-term safe use of the hurricane barrel is facilitated.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (14)

1. A safe hurricane barrel comprises an airflow inlet, a shell and a control circuit board, wherein the control circuit board is arranged in the shell, the airflow inlet corresponds to the control circuit board, and the hurricane barrel is characterized by further comprising an insulating connecting piece, wherein the insulating connecting piece is arranged between the airflow inlet and the control circuit board so as to increase the creepage distance of the control circuit board; the length ratio between the control circuit board and the insulating connecting piece is 1: 0.6-1: 0.9.

2. A safety hurricane as in claim 1, wherein said insulating connector is capable of directing the airflow entering through said airflow inlet and causing said airflow to flow straight or diverted in the airflow path.

3. The tornado shaft of claim 2, wherein a first air flow region and a second air flow region are formed between said insulating connector and said air flow inlet, wherein air flow in said first air flow region and air flow in said second air flow region both flow toward said insulating connector, and wherein air flow in said first air flow region flows through said second air flow region and toward said air flow outlet.

4. A safety hurricane as claimed in claim 3, wherein at least a portion of a surface of a side of said insulated connector facing away from said control circuit board is inclined in a direction from one end to an opposite end, and a relatively lower horizontal position of the inclined portion is adjacent to said airflow outlet.

5. A safety hurricane as in claim 1, wherein the hurricane cylinder further comprises a filter element, the filter element is disposed in the housing, and at least a portion of the filter element is located between the airflow inlet and the insulating connector.

6. A safety hurricane as in claim 5, wherein said insulating connector is capable of guiding installation of said filter element; and/or the presence of a gas in the gas,

the insulating connector can guide the disassembly of the filter element.

7. A hurricane as claimed in claim 5, wherein said insulating connector is provided with a first connecting portion, and said filter element and/or said housing is provided with a second connecting portion, said first connecting portion being connected to said second connecting portion to secure said insulating connector.

8. A safety hurricane as in claim 5, wherein said insulating connector is positioned at least partially between said filter element and said control circuit board.

9. A hurricane vehicle as claimed in claim 8, wherein the insulating connector is provided with a first detent, the filter element and/or the housing is provided with a second detent, one of the first and second detents extending at least partially into the other to locate the insulating connector.

10. A hurricane as claimed in claim 1, wherein said insulating connector further comprises a receiving slot for receiving an electronic component on said control circuit board.

11. The hurricane vehicle of claim 1, wherein the insulating connector defines heat dissipation apertures that allow a portion of the airflow to pass through to form a third airflow region that is capable of dissipating heat from the electronic components on the control circuit board and entering the airflow path.

12. A safety hurricane as in claim 11 wherein said insulating connectors are provided with grooves and said louvers open into the side walls of said grooves.

13. A safety hurricane as in claim 1, wherein the insulating connectors are arcuate in shape.

14. A hurricane as claimed in claim 1, wherein said housing further defines a receiving space, said receiving space being in direct communication with said airflow inlet; the control circuit board is arranged in the accommodating space, at least part of the control circuit board is directly exposed relative to the airflow inlet, and the control circuit board is shielded by the insulating connecting piece.

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