CN111503055A

CN111503055A - Fan assembly, cooling device, device with fan assembly and control method

Info

Publication number: CN111503055A
Application number: CN202010374873.4A
Authority: CN
Inventors: 冯展翊; 张皓坤; 王宏; 蔡真清; 冯圆通; 孔凡阳
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2020-08-07

Abstract

The invention relates to the technical field of electrical products, in particular to a fan assembly, a fan cooling device, a device with the fan assembly and a control method of the fan assembly, wherein the fan assembly comprises: a housing having at least one air inlet; the fan is arranged in the shell; the atomizing device is arranged outside the machine shell and is provided with at least one fog outlet. Through set up atomizing device outside the casing, the fan is established in the casing, and in the fan worked, the water smoke that atomizing device produced was inhaled in the casing, and water smoke can contact each position in the casing to effectual cooling in to the casing, especially drive fan pivoted motor cooling in the casing, thereby can effectively reduce the temperature rise and can improve motor speed.

Description

Fan assembly, cooling device, device with fan assembly and control method

Technical Field

The invention relates to the technical field of electric products, in particular to a fan assembly, a fan cooling device, a device with the fan assembly and a control method of the fan assembly.

Background

The range hood has become the indispensable life electrical apparatus in kitchen, and in order to seek better oil absorption cigarette effect, range hood of big amount of wind, high static pressure also receives more and more customer's favor. When the high static pressure range hood is designed, the power of the motor is improved, a higher rotating speed is obtained, the design method is simpler, the temperature rise problem of the motor is more and more serious along with the improvement of the rotating speed of the motor, and the upper limit of the power of the motor is limited.

The prior art discloses a range hood with a fume removing fan, which consists of a motor, centrifugal fan blades and a shell, and is provided with an external water source, a water tank and a water pipe supply system, wherein a wire mesh sponge outer sleeve is arranged on a fan blade shaft, the water pipe can be arranged in the front and hung centripetally and can also be inserted into a hollow sleeve shaft sleeve cavity in the front and rear fan blades for water delivery, and a plurality of liquid outlet holes are formed in the middle front part of the sleeve shaft. Water is introduced into the shaft sleeve of the fan blade, and the water liquid at the shaft center is fully refined into a great number of fine liquid drops by utilizing the high-speed rotation of the fan blade to centrifugally fly out, so that the air can be automatically humidified and cooled.

In above-mentioned lampblack absorber need be continuous to introduce the axle sleeve cavity with water, the high-speed rotation of fan blade makes water refine into the water droplet, and required water yield is more, can lead to the oil cup of lampblack absorber to need often to change like this simultaneously to the area that the liquid droplet of centrifugation departure can contact is effective, and the cooling effect is limited.

Disclosure of Invention

Therefore, the technical problem to be solved by the present invention is to overcome the defect that the rotation speed of the motor of the fan assembly is limited due to temperature rise in the prior art, so as to provide a fan assembly, a fan cooling device, a device with a fan assembly and a control method of the fan assembly, wherein the fan assembly, the fan cooling device and the device can effectively reduce the temperature rise and can increase the rotation speed of the motor.

In order to solve the above technical problem, the present invention provides a fan assembly, including:

a housing having at least one air inlet;

the fan is arranged in the shell;

the atomizing device is arranged outside the machine shell and is provided with at least one fog outlet.

The direction of at least one fog outlet is consistent with the direction of at least one air inlet.

The casing has two the air intake, atomizing device has two go out the fog mouth.

The atomization device comprises a fog outlet surface parallel to the surface of the shell where the air inlet is located, and the fog outlet is formed in the fog outlet surface.

The fog outlet is a strip-shaped hole, and the length extension direction of the strip-shaped hole is parallel to the surface where the air inlet is located.

The water mist outlet is used for discharging water mist from the water mist outlet.

The flow guide structure is connected to the atomizing device, and the projection of the flow guide structure on the surface where the mist outlet is located covers the mist outlet.

The flow guide structure at least comprises a flow guide surface, and the distance between the flow guide surface and the surface of the mist outlet is gradually increased from one end of the flow guide structure connected with the mist outlet device to the other end of the flow guide structure.

The flow guide structure is flat.

The atomization device is arranged on the shell and positioned above the air inlet.

The atomization device comprises an atomization box, an atomizer is arranged in the atomization box, the atomization box comprises an arc-shaped part matched with the shape of the casing, and the atomization box is arranged on the casing through the arc-shaped part.

The atomization box comprises a box body and a cover body arranged on the box body in a covering mode, and the flow guide structure is arranged on the cover body.

The atomizer is an ultrasonic atomizer.

The invention also provides a fan cooling device which comprises the fan assembly, wherein atomized liquid is arranged in the atomization device, and the atomized liquid contains an air freshener.

The invention also provides a device with the fan assembly, which comprises the fan assembly.

The atomizing device is suitable for being attached to the shell, and a liquid inlet is formed in the surface, attached to the shell, of the atomizing device.

The invention also provides a control method of the fan assembly, which comprises the following steps:

starting a fan;

detecting the motor temperature of the fan;

and when the temperature of the motor is more than or equal to a first preset temperature, controlling the atomization device to operate at a first power.

And when the temperature of the motor is lower than a second preset temperature, controlling the atomization device to operate at a second power, wherein the second preset temperature is lower than the first preset temperature, and the second power is lower than the first power.

The technical scheme of the invention has the following advantages:

1. according to the fan assembly provided by the invention, the atomizing device is arranged outside the shell, the fan is arranged in the shell, when the fan works, water mist generated by the atomizing device is sucked into the shell, and the water mist can contact each position in the shell, so that the temperature in the shell is effectively reduced, particularly a motor which drives the fan to rotate in the shell is cooled, the temperature rise can be effectively reduced, and the rotating speed of the motor can be improved.

2. According to the fan assembly provided by the invention, the direction of at least one fog outlet is consistent with the direction of at least one air inlet, so that the arrangement is favorable for sucking water fog flowing out of the fog outlet into the shell, and the waste of the water fog is avoided.

3. According to the fan assembly provided by the invention, the fog outlet is a strip-shaped hole, the length extension direction of the strip-shaped hole is parallel to the surface where the air inlet is located, and the fog outlet has a larger area, so that the cooling efficiency is favorably improved.

4. The fan assembly provided by the invention further comprises a flow guide structure, wherein the flow guide structure is used for guiding the water mist flowing out of the mist outlet to the air inlet, so that the waste of the water mist can be avoided, and meanwhile, the improvement of the cooling efficiency is facilitated.

5. According to the fan assembly provided by the invention, the flow guide structure is flat, simple in structure and convenient to process.

6. According to the fan assembly provided by the invention, the atomizing device is arranged on the shell and is positioned above the air inlet, and water mist generated by the atomizing device naturally flows downwards under the action of gravity, so that the water mist can be further ensured to enter the shell.

7. According to the fan assembly provided by the invention, the atomization device comprises the atomization box, the atomizer is arranged in the atomization box, the atomization box comprises the arc-shaped part matched with the shape of the shell, and the atomization box is arranged on the shell through the arc-shaped part, so that the connection stability of the atomization box on the shell can be ensured.

8. According to the fan assembly provided by the invention, the atomization box comprises the box body and the cover body covered on the box body, the flow guide structure is arranged on the cover body, and the cover body is arranged to prevent water mist from directly flowing upwards to impact other structures above the atomization device to cause water seepage of other structures, and meanwhile, the atomization box is convenient to add atomized liquid.

9. The fan cooling device provided by the invention comprises the fan assembly, wherein atomized liquid is arranged in the atomized liquid, the atomized liquid contains an air freshener, and peculiar smell in the shell can be removed while the temperature is reduced.

10. The device with the fan assembly comprises the fan assembly, can ensure that the temperature in the shell is not too high, and can improve the rotating speed of the motor to meet the requirements of users.

11. The device with the fan assembly further comprises a shell, the atomizing device is suitable for being attached to the shell, and a liquid inlet is formed in the surface, attached to the shell, of the atomizing device, so that the connection stability of the atomizing device can be ensured, and atomized liquid can be supplemented into the atomizing device conveniently.

12. According to the control method of the fan assembly, when the temperature of the motor is higher than the first preset temperature, the atomization device is controlled to operate at the first power, and automatic cooling can be achieved.

13. According to the control method of the fan assembly, when the temperature of the motor is lower than a second preset temperature, the atomization device is controlled to operate at a second power, the second preset temperature is lower than the first preset temperature, and the second power is lower than the first power, so that the influence of the lower temperature on the normal performance of the motor can be avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of a fan assembly provided in embodiment 1 of the present invention;

FIG. 2 is a front view of the blower assembly shown in FIG. 1 in an operational state;

FIG. 3 is an exploded view of the atomizing device shown in FIG. 1;

fig. 4 is a schematic view of an apparatus having a fan assembly provided in embodiment 3 of the present invention.

Description of reference numerals:

1-a machine shell; 2-a fan; 3-an atomizing device; 31-a box body; 32-a cover body; 33-an ultrasonic atomizer; 34-a liquid inlet; 35-an arc-shaped portion; 4-a mist outlet; 5-a flow guide structure; 6-shell.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides a specific implementation manner of a fan assembly, which includes a casing 1, a fan 2, and an atomizing device 3.

The casing 1 has at least one air inlet, and the fan 2 is disposed in the casing 1, specifically in this embodiment, the casing 1 is a volute, the fan 2 is a centrifugal fan, and two air inlets are disposed on the volute. In other alternative embodiments, the casing 1 is a mounting casing without a volute tongue, the air inlet on the casing 1 may be only one, and the fan 2 may be other types of fans.

The atomizing device 3 is arranged outside the machine shell 1, and the atomizing device 3 is provided with at least one mist outlet 4. Specifically, in the present embodiment, the housing 1 has two air inlets, the atomizing device 3 has two mist outlets 4, and one mist outlet 4 corresponds to one air inlet. Of course, in other alternative embodiments, the number of the mist outlets 4 may be larger than the number of the air inlets, for example, when the number of the air inlets is 1, the number of the mist outlets 4 may be two or more.

Through set up atomizing device 3 outside casing 1, fan 2 establishes in casing 1, and fan 2 is at the during operation, and the water smoke that atomizing device 3 produced is inhaled in casing 1, and each position in the casing 1 can be contacted to the water smoke to effectual cooling in to casing 1 especially drives fan 2 pivoted motor cooling in the casing 1, can effectively reduce the temperature rise, thereby can improve motor speed.

In the present embodiment, the orientation of the at least one mist outlet 4 is the same as the orientation of the at least one air inlet, specifically, as shown in fig. 1, the air inlet is located at the left and right sides of the scroll casing, and the mist outlet 4 is located at the left and right sides of the atomizing device 3. The arrangement is favorable for sucking the water mist flowing out from the mist outlet 4 into the machine shell 1, and the waste of the water mist is avoided.

With further reference to fig. 1, the atomizing device 3 includes a mist outlet surface parallel to the surface of the housing 1 where the air inlet is located, and the mist outlet 4 is disposed on the mist outlet surface.

In this embodiment, as shown in fig. 3, the mist outlet 4 is a strip-shaped hole, and the length extending direction of the strip-shaped hole is parallel to the surface of the air inlet, so that the mist outlet 4 has a larger area, which is beneficial to improving the cooling efficiency. In other alternative embodiments, the shape of the mist outlet 4 may not be limited, and for example, a plurality of small holes may be provided on the mist outlet surface.

In this embodiment, the fan assembly further includes a flow guiding structure 5 for guiding the water mist flowing out from the mist outlet 4 to the air inlet. The arrangement of the flow guide structure 5 can avoid water mist waste caused by the flow of other directions of the water mist item, and is favorable for improving the cooling efficiency. Especially, when the fan assembly is applied to the range hood, water mist flows to other directions, and water seepage of other structures can be caused.

Specifically, the flow guide structure 5 is connected to the atomizing device 3, the projection of the flow guide structure 5 on the surface of the mist outlet 4 covers the mist outlet 4, and after the water mist flows out from the mist outlet 4, the flow guide structure 5 blocks and guides the flow direction of the water mist, so that the water mist flows towards the air inlet.

In this embodiment the flow directing structure 5 comprises at least a flow directing surface, the distance between the flow directing surface and the surface of the mist outlet 4 gradually increasing from the end of the flow directing structure 5 connected to the mist outlet device to the other end of the flow directing structure 5. in an alternative embodiment, the flow directing structure 5 is similar to model L, comprising a horizontal portion connected to the mist outlet device, and a vertical flow directing surface connected to the horizontal portion, the mist flowing out through the gap between the surface of the mist outlet 4 and the flow directing surface, in which embodiment the distance between the flow directing surface and the surface of the mist outlet 4 is constant, in another alternative embodiment, the flow directing structure 5 comprises a horizontal portion, an inclined flow directing surface connected to the horizontal portion, the inclination direction of the flow directing surface being such that the distance between the flow directing surface and the surface of the mist outlet 4 gradually decreases from the end connected to the horizontal portion to the other end of the flow directing surface.

In the present embodiment, the flow guide structure 5 is a flat plate, and the flow guide structure 5 is simple in structure and easy to process.

As shown in fig. 1 and 2, the atomizing device 3 is disposed on the housing 1 and above the air inlet. The water mist generated by the atomizing device 3 naturally flows downwards under the action of gravity, so that the water mist can further enter the machine shell 1.

Specifically, as shown in fig. 3, the atomizing device 3 includes an atomizing chamber, an atomizer is disposed in the atomizing chamber, the atomizing chamber includes an arc portion 35 adapted to the shape of the housing 1, the atomizing chamber is disposed on the housing 1 through the arc portion 35, and the atomizing chamber can be stably connected to the housing 1. The atomization box can be fixedly connected with the machine shell 1 in a welding and gluing mode, connecting holes do not need to be formed in the atomization box or the machine shell 1, and liquid leakage can be avoided.

Specifically, in the present embodiment, the atomizing chamber includes a housing 31, a cover 32 covering the housing 31, and the flow guide structure 5 is provided on the cover 32. The cover 32 can prevent the water mist from directly flowing upwards to impact other structures above the atomizing device 3, so that water seepage is caused to other structures, and meanwhile, the atomization box is conveniently filled with atomized liquid.

The atomizer in this embodiment is an ultrasonic atomizer 33, which has high atomization speed and high efficiency. In other alternative embodiments, the atomizer may be an air compression atomizer or a mesh atomizer.

This fan subassembly is when the operation, produce suction in air intake department, the water smoke that atomizing device 3 produced is through the continuous play of fog outlet 4, at the water conservancy diversion of water conservancy diversion structure 5, self gravity, under the effect of the suction of air intake department, like the directional direction of arrow head in fig. 2, constantly flow to air intake department, and inside air intake flow direction casing 1, the temperature of water smoke is less than the temperature in casing 1, water smoke constantly is evaporated in casing 1, can be to the inside cooling of casing 1, the temperature that is located the inside motor of casing 1 also reduces thereupon. The user can select different atomized liquids to atomize according to the requirement, for example, water, liquid with cleaning effect or air freshener capable of removing peculiar smell can be simply adopted.

Example 2

The embodiment provides a concrete implementation mode of fan heat sink, including the fan subassembly that provides in the above-mentioned embodiment, wherein be equipped with the atomized liquid in the atomizing device 3, contain the air freshener in the atomized liquid, when cooling fan 2, can get rid of the peculiar smell in the casing 1.

Example 3

The present embodiment provides an apparatus having a fan assembly, such as that shown in fig. 4, comprising a fan assembly. The device can ensure that the temperature in the machine shell 1 is not too high, and can improve the rotating speed of the motor to meet the requirements of users. In this embodiment, the device having the fan assembly is specifically a range hood.

The device with the fan assembly further comprises a shell 6, the atomizing device 3 is suitable for being attached to the shell 6, and a liquid inlet 34 is formed in the surface, attached to the shell 6, of the atomizing device 3. Atomizing device 3 is fixed on the one hand on casing 1, pastes on casing 6 on the one hand, connects more stably, and when atomizing liquid measure was less in atomizing device 3, can connect inlet 34 through the connecting pipe, supplyes atomizing liquid in atomizing device 3 through the connecting pipe.

Example 4

The embodiment provides a control method of a fan assembly, which comprises the following steps:

starting the fan 2;

detecting the motor temperature of the fan 2;

and when the temperature of the motor is greater than or equal to a first preset temperature, controlling the atomizing device 3 to operate at a first power. Wherein first predetermined temperature can be 80 ℃, when the motor temperature is greater than first predetermined temperature, control atomizing device 3 and operate with first power, can carry out automatic cooling.

And when the temperature of the motor is lower than a second preset temperature, controlling the atomizing device 3 to operate at a second power, wherein the second preset temperature is lower than the first preset temperature, and the second power is lower than the first power. When the temperature of the motor is lower than the second preset temperature, the atomization device automatically operates at a lower power, and the influence of the lower temperature on the normal performance of the motor can be avoided. Wherein the second preset temperature may be 60 ℃.

In this embodiment, install temperature-detecting device on the motor, after starting fan 2, can start atomizing device 3 simultaneously, make atomizing device 3 earlier with the second power operation, when temperature-detecting device detected the motor temperature and is greater than first preset temperature, control atomizing device 3 again and operate with first power, after the motor temperature falls to below the second preset temperature, control atomizing device 3 again and operate with the second power, in the process that the motor temperature reduced to the second preset temperature from first preset temperature, atomizing device 3 can still operate with first power.

When the fan 2 stops operating, the atomizer 3 also stops operating.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A fan assembly, comprising:

a housing (1) having at least one air inlet;

the fan (2) is arranged in the shell (1);

the atomizing device (3) is arranged outside the machine shell (1), and the atomizing device (3) is provided with at least one fog outlet (4).

2. The fan assembly according to claim 1, wherein at least one of the mist outlets (4) is oriented in correspondence with at least one of the air inlets.

3. The fan assembly according to claim 2, wherein the housing (1) has two air inlets and the atomizing device (3) has two mist outlets (4).

4. The fan assembly according to claim 1, wherein the atomizing device (3) includes a mist outlet surface parallel to the surface of the housing (1) where the air inlet is located, and the mist outlet (4) is disposed on the mist outlet surface.

5. The fan assembly according to claim 1, wherein the mist outlet (4) is a strip-shaped hole, and the length extension direction of the strip-shaped hole is parallel to the surface of the air inlet.

6. The fan assembly according to any of the claims 1-5, further comprising a flow guiding structure (5) for guiding the mist flowing out of the mist outlet (4) to the air inlet.

7. The fan assembly according to claim 6, wherein the flow guiding structure (5) is connected to the atomizing device (3), and a projection of the flow guiding structure (5) on a surface where the mist outlet (4) is located covers the mist outlet (4).

8. The fan assembly according to claim 7, wherein the flow guiding structure (5) comprises at least a flow guiding surface, and the distance between the flow guiding surface and the surface of the mist outlet (4) is gradually increased from the end of the flow guiding structure (5) connected with the mist outlet device to the other end of the flow guiding structure (5).

9. The fan assembly according to claim 7, characterized in that the flow guiding structure (5) is flat.

10. The fan assembly according to claim 6, wherein the atomizing device (3) is disposed on the housing (1) above the air inlet.

11. The fan assembly according to any of the claims 7-10, characterized in that the atomizing device (3) comprises an atomizing chamber, in which an atomizer is arranged, which atomizing chamber comprises an arc-shaped portion (35) adapted to the shape of the housing (1), the atomizing chamber being arranged on the housing (1) via the arc-shaped portion (35).

12. The fan assembly according to claim 11, wherein the atomization box comprises a box body (31) and a cover body (32) covering the box body (31), and the flow guide structure (5) is arranged on the cover body (32).

13. The fan assembly of claim 11 wherein the atomizer is an ultrasonic atomizer (33).

14. A fan cooling device, comprising a fan assembly according to any one of claims 1 to 13, wherein an atomized liquid is provided in the atomization device (3), and the atomized liquid contains an air freshener.

15. An apparatus having a fan assembly comprising a fan assembly as claimed in any one of claims 1 to 13.

16. The device with the fan assembly as recited in claim 15, further comprising a housing (6), wherein the atomizing device (3) is adapted to be attached to the housing (6), and a liquid inlet (34) is disposed on a surface of the atomizing device (3) attached to the housing (6).

17. A method of controlling a fan assembly, comprising:

starting the fan (2);

detecting the motor temperature of the fan (2);

and when the temperature of the motor is more than or equal to a first preset temperature, controlling the atomization device (3) to operate at a first power.

18. Control method according to claim 17, characterized in that the atomizing device (3) is controlled to operate at a second power when the motor temperature is less than a second preset temperature, which is less than the first power.