WO2021120667A1

WO2021120667A1 - Cool and hot fan

Info

Publication number: WO2021120667A1
Application number: PCT/CN2020/111033
Authority: WO
Inventors: 林达浩; 柳智; 曹哲; 陈志聪; 彭必成; 陈正超; 程同
Original assignee: 珠海格力电器股份有限公司
Priority date: 2019-12-20
Filing date: 2020-08-25
Publication date: 2021-06-24
Also published as: CN111006337A

Abstract

A cool and hot fan (100), comprising: a first air outlet mechanism (30) configured to output an airflow having a first temperature; a second air outlet mechanism (50) arranged on one side of the first air outlet mechanism (30) in a spaced manner along a first direction, the second air outlet mechanism (50) being configured to output an airflow having a second temperature different from the first temperature; and an air outlet driving mechanism (70) selectively connected to the first air outlet mechanism (30) or the second air outlet mechanism (50) in a controlled manner. The first air outlet mechanism (30) and the second air outlet mechanism (50) of the cool and hot fan (100) are driven by the same air outlet driving mechanism (70), and there is no need to arrange two air outlet driving mechanisms (70), so that the manufacturing cost of the cool and hot fan (100) is effectively reduced, the size of the cool and hot fan (100) is effectively reduced, and production, transportation, use and storage of the cool and hot fan (100) are facilitated.

Description

Heating and cooling fan

Related application

This application claims the priority of the Chinese patent application filed on December 20, 2019 with the application number 201911322698.8 and titled "Cooling and Heating Fan", which is hereby incorporated by reference in its entirety.

Technical field

This application relates to the technical field of household appliances, in particular to a cooling and heating fan.

Background technique

With the progress of society and the improvement of the level of science and technology, people's requirements for the living environment are gradually increasing. As a household appliance widely used in life, fans can bring people cool in the hot summer. However, in the cold winter, the fan cannot be used and is in an idle state, occupying living space and bringing inconvenience to people's lives. Based on this, a cooling and heating fan that can take into account both the functions of delivering hot air and delivering cold air came into being.

The current cooling and heating fans usually have two independent motors and two air ducts corresponding to the motors in order to realize the function of outputting hot air and outputting cold air. Therefore, they have high manufacturing costs and the volume of the cooling and heating fans is also large. It is not conducive to production, transportation, use and storage.

Summary of the invention

Based on this, it is necessary to provide a cooling and heating fan with a lower manufacturing cost and a smaller volume in response to the problems of high manufacturing cost and larger volume of the cooling and heating fan.

A cooling and heating fan, including:

The first air outlet mechanism is used to output an air flow having a first temperature;

The second air outlet mechanism is arranged on one side of the first air outlet mechanism at intervals in the first direction, and the second air outlet mechanism is used to output an air flow having a second temperature different from the first temperature; and

An outlet driving mechanism, which is selectively connected to the first outlet mechanism or the second outlet mechanism in a controlled manner;

Wherein, when the air outlet drive mechanism is connected to the first air outlet mechanism, the air outlet drive mechanism can drive the first air outlet mechanism to output an air flow having the first temperature; When the wind driving mechanism is connected to the second air outlet mechanism, the air outlet driving mechanism can drive the second air outlet mechanism to output the air flow having the second temperature.

In the above-mentioned cooling and heating fan, the first air outlet mechanism and the second air outlet mechanism are driven by the same air outlet drive mechanism, without the need to provide two air outlet drive mechanisms, thereby effectively reducing the manufacturing cost of the cooling and heating fan, and effectively reducing the cooling and heating fan at the same time The volume is convenient for the production, transportation, use and storage of cooling and heating fans.

In one of the embodiments, the air outlet drive mechanism is located between the first air outlet mechanism and the second air outlet mechanism, and the air outlet drive mechanism reciprocally moves along the first direction in a controlled manner to It is alternatively connected to the first air outlet mechanism or the second air outlet mechanism.

In one of the embodiments, the cooling and heating fan further includes a switching mechanism, and the switching mechanism is used to drive the outlet driving mechanism to reciprocate along the first direction.

In one of the embodiments, the switching mechanism includes a switching driving member and a switching transmission assembly, the switching driving member is drivingly connected to the outlet driving mechanism through the switching transmission assembly, and the switching driving member is used to drive the The switching transmission assembly drives the air outlet driving mechanism to move in the first direction.

In one of the embodiments, the switching mechanism further includes a switching button, the switching button is communicatively connected with the switching driver, and the switching button is used to control the working state of the switching driver.

In one of the embodiments, the switching drive member is a rotating handle, and the rotating handle can be rotated under the action of an external force.

In one of the embodiments, the switching transmission assembly includes a transmission gear and a transmission rack meshed with the transmission gear, the transmission gear is connected to the switching drive part, and the transmission rack is connected to the output gear. A wind drive mechanism, the switching drive member can drive the transmission gear to rotate to drive the transmission rack to move in the first direction.

In one of the embodiments, the air outlet drive mechanism includes a first drive adapter, and the first air outlet mechanism includes a first air outlet adapter that can be coupled with the first drive adapter, The first drive fitting and the first air outlet fitting can be inserted into each other in the first direction and rotate synchronously around the first direction;

The air outlet drive mechanism includes a second drive adapter, the second air outlet mechanism includes a second air outlet adapter that can be coupled with the second drive adapter, and the second drive adapter The member and the second air outlet fitting member can be inserted into each other in the first direction and rotate synchronously around the first direction.

In one of the embodiments, one of the first driving adapter and the first air outlet adapter is provided with a first mating protrusion, and the first driving adapter is connected to the first outlet adapter. The other of the wind fittings is provided with a first mating groove that matches the first mating protrusion, and the first mating protrusion can be inserted into the first mating recess in the first direction groove;

One of the second drive adapter and the second air outlet adapter is provided with a second mating protrusion, and the other of the second drive adapter and the second air outlet adapter A second mating groove matching the second mating protrusion is provided, and the second mating protrusion can be inserted into the second mating groove in the first direction.

In one of the embodiments, the air outlet drive mechanism includes a drive motor, the drive motor includes a drive motor main body and a drive shaft provided on the drive motor main body, the drive shaft extends along the first direction, so Two ends of the drive shaft respectively extend out of the drive motor main body and are respectively provided with the first drive adapter and the second drive adapter.

In one of the embodiments, the air outlet drive mechanism further includes a drive motor support, and the drive motor is installed on the drive motor support.

Description of the drawings

FIG. 1 is a schematic structural diagram of a cooling and heating fan according to an embodiment of the application;

Fig. 2 is a partial enlarged view of a part A of the cooling and heating fan shown in Fig. 1.

Detailed ways

In order to facilitate the understanding of the application, the application will be described in a more comprehensive manner with reference to the relevant drawings. The preferred embodiments of the application are shown in the accompanying drawings. However, this application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of this application more thorough and comprehensive.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or a central element may also be present. When an element is considered to be "connected" to another element, it can be directly connected to the other element or an intermediate element may be present at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of this application. The terms used in the specification of the application herein are only for the purpose of describing specific embodiments, and are not intended to limit the application. The term "and/or" as used herein includes any and all combinations of one or more related listed items.

As shown in FIG. 1, a cooling and heating fan 100 according to an embodiment of the present application is used to output warm air to heat the user or output cold air to cool the user. The cooling and heating fan 100 includes a base 10, a first air outlet mechanism 30, a first air outlet mechanism 30, an air outlet driving mechanism 70, and a switching mechanism 90.

Wherein, the base 10 is supported on the ground or other installation surface for supporting. The first air outlet mechanism 30 is installed above the base 10 for outputting an air flow having a first temperature. The second air outlet mechanism 50 is spaced apart on one side of the first air outlet mechanism 30 in the first direction, and is used to output an air flow having a second temperature different from the first temperature. Specifically, in some embodiments, the first direction is a vertical direction perpendicular to the base 10, so the second air outlet mechanism 50 is located directly above the first air outlet mechanism 30.

In this way, the first air outlet mechanism 30 can output a higher temperature air flow to achieve a heating function, and the second air outlet mechanism 50 can output a lower temperature air flow to achieve a cooling function. It can be understood that, in some embodiments, the first air outlet mechanism 30 outputs a lower temperature air flow to achieve a cooling function, and the second air outlet mechanism 50 outputs a higher temperature air flow to achieve a heating function.

The air outlet driving mechanism 70 and the switching mechanism 90 are both located between the first air outlet mechanism 30 and the second air outlet mechanism 50, and the air outlet driving mechanism 70 can reciprocate in the first direction under the control of the switching mechanism 90 to select one. The ground is connected to the first air outlet mechanism 30 or the second air outlet mechanism 50. When the air outlet drive mechanism 70 is connected to the first air outlet mechanism 30 under the drive of the switching mechanism 90, the air outlet drive mechanism 70 can drive the first air outlet mechanism 30 to output an air flow with a first temperature; when the air outlet drive mechanism When 70 is connected to the second air outlet mechanism 50 under the driving of the switching mechanism 90, the air outlet driving mechanism 70 can drive the second air outlet mechanism 50 to output an air flow having a second temperature.

In this way, the first air outlet mechanism 30 and the second air outlet mechanism 50 are driven by the same air outlet drive mechanism 70, and there is no need to provide two air outlet drive mechanisms 70, thereby effectively reducing the manufacturing cost of the cooling and heating fan 100 and effectively reducing the size. The volume of the cooling and heating fan 100 is reduced, which facilitates the production, transportation, use, and storage of the cooling and heating fan 100.

Please refer to FIGS. 1 and 2. In some embodiments, the switching mechanism 90 includes a switching button (not shown) 92 and a switching transmission assembly 94. The switch button is in communication connection with the switch driver 92 and is used to control the working state of the switch driver 92 under the action of external force. The switching driver 92 is connected to the air outlet driving mechanism 70 through the switching transmission assembly 94 to control the air outlet driving mechanism 70 to move back and forth in the first direction.

Specifically, in an embodiment, the switching driving member 92 is a stepping motor. The switching transmission assembly 94 includes a transmission gear 941 and a transmission rack 943 meshing with the transmission gear 941. The transmission gear 941 is set on the output shaft of the stepping motor and can rotate synchronously with the output shaft. The transmission rack 943 is fastened by screws, etc. The piece is connected to the outlet driving mechanism 70. In this way, when it is necessary to control the air outlet driving mechanism 70 to move in the first direction, the user only needs to press the switching button, and the switching button controls the switching driving member 92 to work, and the switching driving member 92 drives the transmission gear 941 to rotate and meshes with the transmission gear 941 The transmission rack 943 converts the rotation of the transmission gear 941 into a linear movement in the first direction, and then drives the wind driving mechanism 70 to move in the first direction.

In other embodiments, the switching mechanism 90 includes a switching drive 92 and a switching transmission assembly 94. The switching driver 92 is a rotating handle that can be rotated under the action of an external force. The switching transmission assembly 94 includes a transmission gear 941 and a transmission rack 943 meshing with the transmission gear 941. The transmission gear 941 is transmission sleeved at one end of the rotation handle and can be connected with the rotation handle. Rotating synchronously, the transmission rack 943 is connected to the air outlet driving mechanism 70 through fasteners such as screws. In this way, the user can manually rotate the rotation handle to drive the transmission gear 941 to rotate. The transmission rack 943 meshed with the transmission gear 941 converts the rotation of the transmission gear 941 into a linear movement in the first direction, thereby driving the air outlet drive mechanism 70 to move along the first direction. Move in the first direction.

In other embodiments, the switching transmission assembly 94 may also include a worm and a rack that mesh with each other, the worm is in transmission connection with the switching drive 92 to rotate under the drive of the switching drive 92, and the rack is connected with the air outlet drive mechanism 70 . In this way, the switching driver 92 can drive the worm to rotate, and the rack converts the rotation of the worm into a linear motion in the first direction, thereby driving the air outlet drive mechanism 70 to move in the first direction.

Please continue to refer to FIGS. 1 and 2. In some embodiments, the outlet drive mechanism 70 includes an outlet drive bracket 72 and a drive motor 74 installed on the outlet drive bracket 72. The outlet drive bracket 72 is connected to the switching transmission assembly 94 To move in the first direction under the driving of the switching transmission assembly 94, the driving motor 74 can move synchronously with the wind driving bracket 72.

The drive motor 74 includes a drive motor main body 741 and a drive shaft 743 provided on the drive motor main body 741. The drive shaft 743 extends in a first direction. Both ends of the drive shaft 743 extend out of the drive motor main body 741. The two ends of the drive shaft 743 respectively extend out of the drive motor main body 741. A first drive adapter 76 that can be coupled with the first air outlet mechanism 30 and a second drive adapter 78 that can be coupled with the second air outlet mechanism 50 are provided.

The first air outlet mechanism 30 includes a first air outlet wind wheel 32 and a first air outlet adapter 34 connected to the first air outlet wind wheel 32, a first drive adapter 76 and a first air outlet adapter 34 They can be inserted into each other in the first direction and rotate synchronously around the first direction, thereby driving the first wind wheel 32 to rotate to output air flow. The second air outlet mechanism 50 includes a second air outlet wheel 52 and a second air outlet adapter 54 connected to the second air outlet wheel 52, a second drive adapter 78 and a second air outlet adapter 54 They can be inserted into each other in the first direction and rotate synchronously around the first direction, so as to drive the second wind wheel 52 to rotate to output air flow.

Further, one of the first driving adapter 76 and the first air outlet adapter 34 is provided with a plurality of first mating protrusions, and the other of the first driving adapter 76 and the first air outlet adapter 34 is One is provided with a plurality of first matching grooves that match the first matching protrusions in a one-to-one correspondence, and each first matching protrusion can be inserted into one first matching groove in the first direction. One of the second drive adapter 78 and the second air outlet adapter 54 is provided with a plurality of second mating protrusions, and the other of the second drive adapter 78 and the second air outlet adapter 54 is provided with There are a plurality of second matching grooves that match the second matching protrusions in a one-to-one correspondence, and each of the second matching protrusions can be inserted into a second matching groove in the first direction.

In this way, when the air outlet drive mechanism 70 moves to the two extreme positions in the first direction, it can automatically be connected to or disconnected from the first air outlet mechanism 30 or the second air outlet mechanism 50, so that the first air outlet mechanism can be driven alternatively. The wind mechanism 30 or the second air outlet mechanism 50 operates. Specifically, when the air outlet drive mechanism 70 moves down to the lowest limit position in the first direction, the first drive adapter 76 is inserted into the first air outlet adapter 34, so as to drive the first air outlet The connecting member 34 rotates around the first direction. When the air outlet drive mechanism 70 moves upward in the first direction, the first drive adapter 76 is disengaged from the first air outlet adapter 34. When the air outlet drive mechanism 70 moves to the highest limit position, the second drive The adapter 78 is inserted into the second air outlet adapter 54 so as to drive the second air outlet adapter 54 to rotate around the first direction.

The cooling and heating fan 100 described above is provided with only one air outlet driving mechanism 70 to control the first air outlet mechanism 30 and the second air outlet mechanism 50, so there is no need to provide two air outlet driving mechanisms 70, which effectively reduces the manufacturing of the cooling and heating fan 100 The cost and purchase cost also effectively reduce the volume of the cooling and heating fan 100, which facilitates the transportation, use and storage of the cooling and heating fan 100.

The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, all possible combinations of the various technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, All should be considered as the scope of this specification.

The above-mentioned embodiments only express several implementation manners of the present application, and their description is relatively specific and detailed, but they should not be interpreted as a limitation on the scope of the patent application. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of this application, several modifications and improvements can be made, and these all fall within the protection scope of this application. Therefore, the scope of protection of the patent of this application shall be subject to the appended claims.

Claims

A cooling and heating fan, characterized in that it comprises:

The first air outlet mechanism (30) is used to output an air flow having a first temperature;

The second air outlet mechanism (50) is arranged on one side of the first air outlet mechanism (30) at intervals in the first direction, and the second air outlet mechanism (50) is used to output a Temperature of the second temperature airflow; and

The air outlet driving mechanism (70) is selectively connected to the first air outlet mechanism (30) or the second air outlet mechanism (50) in a controlled manner;

Wherein, when the air outlet drive mechanism (70) is connected to the first air outlet mechanism (30), the air outlet drive mechanism (70) can drive the first air outlet mechanism (30) to output The airflow at the first temperature; when the outlet drive mechanism (70) is connected to the second outlet mechanism (50), the outlet drive mechanism (70) can drive the second outlet The mechanism (50) outputs an air flow having the second temperature.
The cooling and heating fan according to claim 1, wherein the outlet driving mechanism (70) is located between the first outlet mechanism (30) and the second outlet mechanism (50), and the The air outlet driving mechanism (70) reciprocally moves along the first direction in a controlled manner to be alternatively connected to the first air outlet mechanism (30) or the second air outlet mechanism (50).
The cooling and heating fan according to claim 2, wherein the cooling and heating fan further comprises a switching mechanism (90), and the switching mechanism (90) is used to drive the outlet driving mechanism (70) along the first Move back and forth in the direction.
The cooling and heating fan according to claim 3, wherein the switching mechanism (90) includes a switching drive (92) and a switching transmission assembly (94), and the switching drive (92) passes through the switching transmission assembly. (94) Drive connection to the outlet drive mechanism (70), and the switch drive member (92) is used to drive the switch transmission assembly (94) to drive the outlet drive mechanism (70) along the first direction mobile.
The cooling and heating fan according to claim 4, wherein the switching mechanism (90) further comprises a switching button, the switching button is communicatively connected with the switching drive (92), and the switching button is used to control the The working state of the switching drive (92) is described.
The cooling and heating fan according to claim 5, wherein the switching drive member (92) is a rotating handle, and the rotating handle can be rotated under the action of an external force.
The cooling and heating fan according to claim 4, wherein the switching transmission assembly (94) comprises a transmission gear (941) and a transmission rack (943) meshing with the transmission gear (941), and the transmission gear (941) Transmission connected to the switching drive (92), the transmission rack (943) connected to the outlet drive mechanism (70), and the switching drive (92) can drive the transmission gear ( 941) rotating to drive the transmission rack (943) to move in the first direction.
The cooling and heating fan according to any one of claims 1 to 7, characterized in that the air outlet drive mechanism (70) comprises a first drive adapter (76), and the first air outlet mechanism (30) comprises A first air outlet adapter (34) that can be mated with the first drive adapter (76), the first drive adapter (76) and the first air outlet adapter (34) ) Can be inserted into each other in the first direction and rotate synchronously around the first direction;

The air outlet drive mechanism (70) includes a second drive adapter (78), and the second air outlet mechanism (50) includes a second outlet that can be coupled with the second drive adapter (78). The wind adapter (54), the second drive adapter (78) and the second air outlet adapter (54) can be inserted into each other in the first direction and around the first direction Synchronous rotation.
The cooling and heating fan according to claim 8, wherein one of the first driving adapter (76) and the first air outlet adapter (34) is provided with a first mating protrusion, so The other of the first driving adapter (76) and the first air outlet adapter (34) is provided with a first mating groove that matches with the first mating protrusion, and the first mating The protrusion can be inserted into the first mating groove in the first direction;

One of the second driving adapter (78) and the second air outlet adapter (54) is provided with a second mating protrusion, and the second driving adapter (78) is connected to the first The other of the two air outlet adapters (54) is provided with a second mating groove matching the second mating protrusion, and the second mating protrusion can be inserted in the first direction. The second mating groove.
The cooling and heating fan according to claim 9, characterized in that the air outlet drive mechanism (70) comprises a drive motor (74), and the drive motor (74) comprises a drive motor main body (741) and is arranged on the drive motor. The drive shaft (743) of the motor main body (741), the drive shaft (743) extends along the first direction, and both ends of the drive shaft (743) respectively extend out of the drive motor main body (741) and respectively The first drive adapter (76) and the second drive adapter (78) are provided.
The cooling and heating fan according to claim 10, wherein the outlet driving mechanism (70) further comprises a driving motor bracket (72), and the driving motor (74) is installed on the driving motor bracket (72).