CN211739369U - Protective structure and thermantidote - Google Patents

Abstract

The utility model relates to the field of household appliances, in particular to a protective structure and a cooling fan which are arranged between a cooling fan wet curtain and a top cover, and comprises a first magnetic switch piece which is arranged at a water leakage hole of the top cover, the first magnetic switch piece is in a closed state when not receiving external magnetic force and blocks the water leakage hole, and a second magnetic switch piece which is used for applying magnetic force to the first magnetic switch piece so as to open the water leakage hole, in the scheme, the first magnetic switch piece can be switched on and off according to the installation condition of the wet curtain, when the wet curtain is not installed, the first magnetic switch piece is in a closed state, the water leakage hole is blocked, the cooling fan is used under the condition of not installing the wet curtain, the water flow is prevented from flowing to a fan motor fan, the problems of water splashing and noise of the fan are solved, and the positive use of the blowing function of the fan is ensured, the electrical safety of the cooling fan is improved.

Description

Protective structure and thermantidote

Technical Field

The utility model relates to a domestic appliance field particularly, relates to a protective structure and thermantidote.

Background

Nowadays, a common cold air fan absorbs heat through water evaporation, so that the purpose of blowing out cold air is achieved. Can both increase cold and hot exchange area through the wet curtain of installation, also can avoid the water of diversion structure downflow to be inhaled the fan, nevertheless there is the neglected loading condition in the wet curtain structure of current thermantidote, still can start the fan under the condition of not installing wet curtain, and the thermantidote during operation rivers directly drip, can appear the abnormal sound, perhaps with inside the water suction machine, from the air outlet blowout, influence user comfort in use, and have electrical safety hidden danger.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protective structure and thermantidote, it can its produce noise, splash and electric hidden danger scheduling problem when can solving wet curtain neglected loading.

The embodiment of the utility model is realized like this:

the utility model provides a protective structure sets up between the wet curtain and the top cap of thermantidote, includes:

the first magnetic switch piece is arranged at the water leakage hole of the top cover, is in a closed state when not subjected to external magnetic force and blocks the water leakage hole;

and the second magnetic switch piece is used for applying magnetic force to the first magnetic switch piece so as to enable the first magnetic switch piece to open the water leakage hole.

Further, in an embodiment of the present invention, the first magnetic switch component includes a magnetic component and a sealing component connected to the magnetic component, and the magnetic component is movably mounted on the top cover.

Further, in an embodiment of the present invention, the sealing member is slidably disposed above the water leakage hole, and the magnetic member is disposed on a side of the sealing member facing the water leakage hole;

and the sealing element slides towards the water leakage hole by the gravity of the magnetic element so as to block the water leakage hole.

Further, in an embodiment of the present invention, the second magnetic switch is of an electromagnetic structure, and the second magnetic switch is mounted on the top cover and disposed below the magnetic member.

Further, in an embodiment of the present invention, the above protection structure further includes an inductive switch, the inductive switch controls the second magnetic switch circuit according to the electric signal of the wet curtain.

Further, in an embodiment of the present invention, the above-mentioned inductive switch includes a hall element installed in the rear case of the cooling fan and an inductive element installed in the wet curtain.

Further, in an embodiment of the present invention, the first magnetic switch further includes a top pillar and an elastic member sleeved on and connected to the top pillar;

the top column penetrates through the water leakage hole and is connected with the magnetic part and the sealing part, the elastic part and the sealing part are oppositely arranged on the inner side and the outer side of the water leakage hole, and the elastic part applies elasticity to the top column and the top cover respectively so that the sealing part covers the water leakage hole.

Further, in an embodiment of the present invention, the magnetic member is located outside the water leakage hole, and the sealing member is located inside the water leakage hole.

Further, in an embodiment of the present invention, the magnetic member and the sealing member are respectively disposed outside the water leakage hole, and the sealing member is located at a position of the magnetic member facing the side of the water leakage hole.

Further, in an embodiment of the present invention, the second magnetic switch member includes a permanent magnet, and the second magnetic switch member corresponds to the first magnetic switch member and is installed in the wet curtain.

A cooling fan comprises the protection structure.

The embodiment of the utility model provides a beneficial effect is:

the first magnetic switch part is opened or closed through magnetic force so as to control the opening and closing of the water leakage hole, and the second magnetic switch part is arranged on the wet curtain so as to enable the first magnetic switch part to be opened or closed according to the installation condition of the wet curtain; after the wet curtain is installed, the second magnetic switch piece exerts magnetic force on the first magnetic switch piece, so that the first magnetic switch piece opens the water leakage hole, water flowing out of the water leakage hole falls on the wet curtain, and the cooling function of the cooling fan is guaranteed; when wet curtain was not installed, first magnetic switch spare was in the off-state, and the hole that leaks is blockked up, and rivers can't be followed the hole that leaks and flow, uses the thermantidote under the condition of not installing wet curtain, prevents rivers flow direction fan motor fan, solves the problem of fan splash and noise, guarantees the just use of fan blowing function, improves the electrical safety of thermantidote.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a first magnetic switch element according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of the first magnetic switch element in fig. 1 according to an embodiment of the present invention;

fig. 3 is a schematic view of a partially enlarged structure in fig. 1 according to an embodiment of the present invention;

fig. 4 is another schematic structural diagram of the first magnetic switch device according to the embodiment of the present invention;

fig. 5 is a schematic diagram of the embodiment of the present invention in fig. 4;

fig. 6 is a schematic structural view of a second magnetic switch device according to an embodiment of the present invention.

Icon: 100-wet curtain; 200-a top cover; 300-a first magnetic switching element; 400-a second magnetic switching element; 500-inductive switches; 600-a rear shell;

210-water leakage holes; 220-a through hole; 310-a magnetic member; 320-a seal; 330-connecting column; 340-a top pillar; 350-an elastic member; 510-a hall element; 520-sensed piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1 to 3, the present embodiment provides a protection structure and a cooling fan, wherein the protection structure is disposed between a wet curtain 100 and a top cover 200.

The protection structure comprises a first magnetic switch 300 and a second magnetic switch 400, the first magnetic switch 300 is installed at the water leakage hole 210 of the top cover 200, the second magnetic switch 400 is installed at the wet curtain 100, and when the wet curtain 100 is arranged on the rear shell 600 of the cooling fan, the second magnetic switch 400 corresponds to the first magnetic switch 300, so that the first magnetic switch 300 can be opened and closed according to the installation condition of the wet curtain 100; after the wet curtain 100 is installed, the second magnetic switch 400 applies magnetic force to the first magnetic switch 300, so that the first magnetic switch 300 opens the water leakage hole 210, water flowing out of the water leakage hole 210 falls on the wet curtain 100, and the cooling function of the cooling fan is ensured; when wet curtain 100 was not installed, first magnetic switch spare 300 was in the off-state, and hole 210 that leaks is blockked up, and rivers can't flow from hole 210 that leaks, uses the thermantidote under the condition of not installing wet curtain 100, prevents rivers flow direction fan motor fan, solves the problem of fan splash and noise, guarantees the fan function of blowing and is using, improves the electrical safety of thermantidote.

Referring to fig. 2, the first magnetic switching element 300 includes a magnetic element 310 and a sealing element 320, and the magnetic element 310 may be a permanent magnet. The top cover 200 is provided with a row of water leakage holes 210, the sealing element 320 is correspondingly arranged in a strip-shaped structure, the sealing element 320 is arranged above the water leakage holes 210 in a sliding manner, the shell is provided with two connecting columns 330 which are in sliding fit with the sealing element 320, and the two connecting columns 330 are respectively arranged at two ends of the row of water leakage holes 210. The magnetic part 310 is installed on one side of the sealing part 320 facing the water leakage hole 210, the top cover 200 is provided with a through hole 220 corresponding to the magnetic part 310, under the action of gravity, the magnetic part 310 drives the sealing part 320 to slide downwards on the connecting column 330, the magnetic part 310 falls into the through hole 220, the sealing part 320 is pressed on the water leakage hole 210, and the water leakage hole 210 is blocked.

Referring to fig. 3, the second magnetic switch 400 is disposed in the wet curtain 100 corresponding to the first magnetic switch 300, after the wet curtain 100 is installed, the second magnetic switch 400 is located under the first magnetic switch 300, according to the principle that like magnetic poles repel each other, the first magnetic switch 300 is moved away from the second magnetic switch 400 by the magnetic force of the second magnetic switch 400, the first magnetic switch 300 drives the sealing member 320 to slide upwards on the connecting column 330, the water leakage holes 210 are in an open state, so that water flows to the wet curtain 100 from the water leakage holes 210, and the cooling function of the cooling fan is ensured.

In this embodiment, the magnetic members 310 may be disposed at both ends of the sealing member 320 in the length direction, and two second magnetic opening and closing members 400 may be disposed on the wet curtain 100. The number and the position of the magnetic members 310 may be set according to the actual use situation, so as to ensure that the first magnetic switch member 300 can open and close the water leakage hole 210.

Further, in this embodiment, the second magnetic switch 400 may also be an electromagnetic switch structure, the second magnetic switch 400 is mounted on the top cover 200 and disposed under the magnetic member, the magnetic member 310 of the first magnetic switch 300 leaks out of the top cover 200 through the through hole 220, the second magnetic switch is mounted on the outer side of the top cover 200 corresponding to the through hole 220, as shown in fig. 3, the inductive switch 500 is provided between the rear case 600 and the wet curtain 100, the inductive switch 500 is used to detect the installation condition of the wet curtain 100, when the wet curtain 100 is installed, the inductive switch 500 controls the conduction of the circuit of the second magnetic switch 400 according to the electric signal of the wet curtain 100, the second magnetic switch 400 generates magnetic force, according to the principle that like poles repel each other, the first magnetic switching member 300 is moved upward by the magnetic force of the second magnetic switching member 400, thereby driving the sealing member 320 to slide upward on the connecting column 330 and opening the water leakage hole 210.

Or, the bottom of the top cover 200 is provided with a groove for accommodating the first magnetic switch 300 and the second magnetic switch 400, the second magnetic switch 400 is disposed at the bottom of the groove, and the first magnetic switch 300 is located above the second magnetic switch 400. After the second magnetic switch 400 is energized and magnetized, according to the principle that like poles repel each other, the second magnetic switch 400 pushes the first magnetic switch 300 to drive the sealing member 320 to move upwards, so as to open the water leakage hole 210.

In this embodiment, the inductive switch 500 includes a hall element 510 mounted on the rear case 600 and an induced member 520 correspondingly mounted on the wet curtain 100, and the induced member 520 may be a magnet. The inductive switch 500 may also be a micro switch, an infrared inductive switch 500, or a push-to-trigger switch.

Example 2:

based on the structure and principle of embodiment 1, this embodiment provides another structure of the first magnetic switch 300, in which the first magnetic switch 300 includes a magnetic member 310, a sealing member 320, a top pillar 340 and an elastic member 350, the magnetic member 310 may be a permanent magnet, the elastic member 350 may be a spring, the sealing member 320 is made of rubber, and the sealing member 320 is a block-shaped structure.

Referring to fig. 4-5, a first magnetic switch 300 is respectively disposed on each water leakage hole 210, the top pillar 340 penetrates through the water leakage hole 210, the diameter of the top pillar 340 is smaller than that of the water leakage hole 210, the sealing member 320 is disposed inside the water leakage hole 210, the magnetic member 310 is disposed outside the housing, the top pillar 340 is respectively connected to the sealing member 320 and the magnetic member 310, and the elastic member 350 is disposed outside the water leakage hole 210 and sleeved on the top pillar 340. Under the condition that the magnetic member 310 is not subjected to external magnetic force, the elastic member 350 applies elastic force to the top pillar 340 and the top cover 200, respectively, that is, applies downward force to the top pillar 340, so that the sealing member 320 covers the water leakage hole 210 to prevent water from flowing out of the water leakage hole 210. Wet curtain 100 top corresponds first magnetic switch spare 300 installation second magnetic switch spare 400, wet curtain 100 installation back, second magnetic switch spare 400 is located first magnetic switch spare 300 under, according to the principle that like magnetic pole homopolar repellent mutually, first magnetic switch spare 300 receives the magnetic force of second magnetic switch spare 400, second magnetic switch spare 400 and fore-set 340 rebound, elastic component 350 compression, sealing member 320 breaks away from with hole 210 that leaks, make hole 210 be in the open mode, make water flow direction wet curtain 100 from hole 210 that leaks, guarantee the cooling function of thermantidote. In the state that the wet curtain 100 is not installed, the magnetic member 310 is not subjected to the magnetic force of the first magnetic opening and closing member 300, the elastic member 350 applies a downward force to the top pillar 340, and the top pillar 340 pulls the sealing member 320 to be pressed against the inside of the water leakage hole 210, thereby blocking the water leakage hole 210.

In fig. 6, the first magnetic switch 300 is slightly changed in structure relative to the magnetic member 310 in fig. 5, the first magnetic switch 300 includes the magnetic member 310, a sealing member 320, a top pillar 340 and an elastic member 350, the top pillar 340 runs through the water leakage hole 210, the magnetic member 310 and the sealing member 320 are both disposed outside the water leakage hole 210, the elastic member 350 is disposed inside the water leakage hole 210, the top pillar 340 is connected to the magnetic member 310 and the sealing member 320 respectively, the sealing member 320 is located on one side of the magnetic member 310 facing the water leakage hole 210, and the elastic member 350 is sleeved on the top pillar 340. Under the condition that the first magnetic switch 300 is not subject to external magnetic force, the elastic member 350 applies elastic force to the top pillar 340 and the top cover 200 respectively, that is, applies upward force to the top pillar 340, so that the sealing member 320 blocks the water leakage hole 210 at the outer side of the water leakage hole 210, and prevents water from flowing out of the water leakage hole 210. After the wet curtain 100 is installed, according to the principle that the magnetic poles attract each other, the first magnetic switch 300 and the magnetic member 310 attract each other, so that the top pillar 340 and the magnetic member 310 move downward, the top pillar 340 drives the sealing member 320 to separate from the water leakage hole 210, and the water leakage hole 210 is in an open state.

In this embodiment, the second magnetic switch 400 includes a permanent magnet, the sealing member 320 may be a truncated cone-shaped structure, and when the sealing member 320 blocks the water leakage hole 210, the sealing member 320 is partially located in the water leakage hole 210, so as to ensure the tightness of blocking the water leakage hole 210. Further, on the basis of the principle that like poles repel each other, the second magnetic switch 400 may also be of an electromagnetic structure, the second magnetic switch 400 is disposed between the magnetic member 310 and the wet curtain, the second magnetic switch 400 is fixedly connected to the top cover 200, the inductive switch 500 is electrically connected to the second magnetic switch 400, the inductive switch 500 is used to detect the installation condition of the wet curtain 100, after the wet curtain 100 is installed, the inductive switch 500 controls the conduction of the circuit of the second magnetic switch 400 according to the detected electrical signal of the wet curtain 100, the second magnetic switch 400 generates a magnetic force,

this scheme still provides a thermantidote, and above-mentioned protective structure is installed to the thermantidote.

In summary, the embodiment provides a protection structure and a cooling fan with the protection structure, wherein the first magnetic switch 300 is installed at the water leakage hole 210, and when the second magnetic switch 400 is a permanent magnet, the second magnetic switch 400 is installed on the wet curtain; when the second magnetic switch 400 is of an electromagnetic structure, the second magnetic switch 400 is fixedly connected to the outer side of the top cover 200, and the rear case 600 is provided with the inductive switch 500 electrically connected to the second magnetic switch 400, so that the second magnetic switch 400 is energized and magnetized when the inductive switch 500 senses that the wet curtain 100 is installed. When wet curtain 100 is not installed, first magnetic switch spare 300 is in the off-state, hole 210 that leaks is blockked up, rivers can't flow from hole 210 that leaks, use the thermantidote under the condition of not installing wet curtain 100, prevent rivers flow direction fan motor fan, solve the problem of fan dabble and noise, guarantee the positive use of fan blowing function, improve the electrical safety of thermantidote, wet curtain 100 installation back, first magnetic switch spare 300 receives the magnetic force of second magnetic switch spare 400 and opens, guarantee the unobstructed of hole 210 that leaks.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. The utility model provides a protective structure sets up between wet curtain (100) and top cap (200) of thermantidote, its characterized in that includes:

the first magnetic switch piece (300) is arranged at the water leakage hole (210) of the top cover (200), and the first magnetic switch piece (300) is in a closed state when not subjected to external magnetic force and blocks the water leakage hole (210);

a second magnetic switching member (400) for applying a magnetic force to the first magnetic switching member (300) to cause the first magnetic switching member (300) to open the water leakage hole (210).

2. Guard structure according to claim 1, characterized in that said first magnetic switch element (300) comprises a magnetic element (310) and a seal (320) connected to said magnetic element (310), said magnetic element (310) being movably mounted to said top cover (200).

3. The protective structure according to claim 2, wherein said sealing member (320) is slidably disposed above said water leakage hole (210), and said magnetic member (310) is disposed on a side of said sealing member (320) facing said water leakage hole (210);

the sealing member (320) is slid toward the water leakage hole (210) by the gravity of the magnetic member (310) to block the water leakage hole (210).

4. A shielding structure according to claim 3, characterized in that said second magnetic switch element (400) is of electromagnetic type, said second magnetic switch element (400) being mounted to said top cover (200) and being arranged below said magnetic element (310).

5. Guard structure according to claim 4, characterized in that it further comprises an inductive switch (500), said inductive switch (500) controlling the conduction of said second magnetic switch (400) circuit upon detection of an electrical signal of said wet curtain (100).

6. The shielding structure according to claim 5, wherein the inductive switch (500) comprises a Hall element (510) mounted to the rear housing (600) of the cooling fan and an induced member (520) mounted to the wet curtain (100).

7. The shielding structure according to claim 2, wherein the first magnetic switch element (300) further comprises a top pillar (340) and an elastic element (350) sleeved on and connected to the top pillar (340);

the top column (340) penetrates through the water leakage hole (210) and is connected with the magnetic part (310) and the sealing part (320), the elastic part (350) and the sealing part (320) are oppositely arranged on the inner side and the outer side of the water leakage hole (210), and the elastic part (350) applies elasticity to the top column (340) and the top cover (200) respectively so that the sealing part (320) covers the water leakage hole (210).

8. The shielding structure according to claim 7, wherein the magnetic member (310) is located outside the water leakage hole (210), and the sealing member (320) is located inside the water leakage hole (210).

9. The protective structure according to claim 7, wherein the magnetic member (310) and the sealing member (320) are respectively disposed outside the water leakage hole (210), and the sealing member (320) is located on a side of the magnetic member (310) facing the water leakage hole (210).

10. Guard structure according to claim 1, characterized in that said second magnetic switch (400) comprises a permanent magnet and that said second magnetic switch (400) is mounted to said wet curtain (100) in correspondence of said first magnetic switch (300).

11. A cooling fan, characterized in that it comprises a protective structure according to any one of claims 1 to 10.

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