CN111306101A

CN111306101A - Liftable cold and warm type centrifugal air duct

Info

Publication number: CN111306101A
Application number: CN201811520183.4A
Authority: CN
Inventors: 赖伴来; 庞亚鹏
Original assignee: Shenzhen Lianchuang Technology Group Co Ltd
Current assignee: Shenzhen Lianchuang Technology Group Co Ltd
Priority date: 2018-12-12
Filing date: 2018-12-12
Publication date: 2020-06-19

Abstract

The invention relates to a liftable cold-warm type centrifugal air duct, comprising: the heat-generating body and the wind channel subassembly that provides the wind regime, an opening is formed to the upper end of wind channel subassembly, form a first air outlet in open-ended one side, the heat-generating body sets up in first air outlet position, set up a sliding cover in open-ended top, when the sliding cover rises, form the second air outlet in the top of heat-generating body, when needing the warm braw, the sliding cover descends and falls and arranges the upper end of heat-generating body in, only remain first air outlet this moment, the heat-generating body heating, warm braw is blown out to first air outlet, when needing the cold wind, form the second air outlet after the sliding cover rises, the heat-generating body stops the heating, first air outlet and second air outlet blow out. According to the invention, the cold and hot air switching function is realized through the lifting of the sliding cover, and the heating body is a fixing piece, so that the movement is not needed, the damage of the movement mechanism to the heating body is reduced, and the service life of the product is prolonged.

Description

Liftable cold and warm type centrifugal air duct

Technical Field

The invention relates to the technical field of air conditioning equipment, in particular to a liftable cold and warm type centrifugal air duct.

Background

Compared with an air conditioner, the cooling and heating type evaporative air conditioning fan (hereinafter referred to as a cooling and heating type air conditioning fan) has the advantages of high energy efficiency, energy conservation, environmental protection, convenience in movement, air washing, low cost and the like. How to realize the conversion of cold air and warm air into one of the core technologies of the product is a cold and warm air conditioning fan, and obviously, a heating body is an important part of the product. The heating body is driven by a synchronous motor through a link mechanism to do linear reciprocating motion up and down or left and right on a track, so that the heating body is in a warm air function when being arranged at an air outlet of an air duct and in a cold function when being separated from the air outlet of the air duct. The other is that a rotating shaft is arranged on the heating body, a synchronous motor provides driving force to drive the rotating shaft to rotate, and the heating body rotates along with the rotating shaft to do reciprocating rotary motion, so that the heating body has a warm air function when being arranged at the air outlet of the air duct and has a cold function when being separated from the air outlet of the air duct. The two schemes both need the movement of the heating body to realize the switching between the cold air and the warm air. The heating element moving structure is complex in structure and difficult to assemble and maintain, and the friction force generated by the heating element assembly during movement can cause unstable performance and reduce the service life of a product.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a liftable cold-warm type centrifugal air duct, wherein a sliding cover is arranged at the upper part of a ventilation opening of an air duct shell, a transmission mechanism is adopted to control the lifting and falling of the sliding cover, the cold-warm air switching function is realized through the lifting of the sliding cover, a heating body is a fixing piece, the movement is not needed, the damage of a movement mechanism to the heating body is reduced, and the service life of a product is prolonged.

In order to achieve the purpose, the invention adopts the following technical scheme:

a liftable cold and warm type centrifugal air duct comprises: the air-conditioning device comprises a heating body and an air duct assembly for providing an air source, wherein an opening is formed at the upper end of the air duct assembly, a first air outlet is formed at one side of the opening, and the heating body is arranged at the position of the first air outlet; work as the sliding cover gliding extremely during the open position, the heat-generating body work, the cold wind warp that forms in the wind channel subassembly the heat-generating body by first air outlet blows out, works as slide on the sliding cover extremely during the heat-generating body top, the heat-generating body stop work, the cold wind that forms in the wind channel subassembly by blow out in first air outlet and the second air outlet.

The air duct also comprises a transmission mechanism arranged on the outer side wall of the air duct assembly and used for controlling the sliding of the sliding cover.

The air duct assembly comprises an air duct shell, a main motor and a wind wheel, the main motor is embedded in the air duct shell, and the wind wheel is fixed on the main motor shaft and can rotate along with the shaft.

The air duct shell is also provided with an air inlet, and the main motor is arranged on the inner side of the air inlet; the air inlet is communicated with the first air outlet and the second air outlet.

The air duct shell is characterized in that a sliding guide rail is vertically arranged on the upper portion of the air duct shell along the outer wall, a sliding groove is vertically arranged on the sliding cover, and the sliding groove is matched with the sliding guide rail and used for enabling the sliding cover to slide up and down along the outer wall of the upper portion of the air duct shell.

The number of the sliding guide rails and the sliding grooves is more than or equal to 2.

The transmission mechanism comprises a transmission motor, a gear, a rack, a first limit switch and a second limit switch; the transmission motor is detachably and fixedly connected to the outer wall of the upper part of the air duct shell, and the gear is arranged between the transmission motor and the air duct shell; the rack is arranged on the lower edge of the outer wall of the sliding cover and is meshed with the gear; the first limit switch and the second limit switch are fixedly arranged on the outer wall of the upper portion of the air duct shell.

The gear is fixedly arranged on a rotating shaft of the transmission motor and can rotate along with the rotating shaft.

One end of the rack, which is far away from the sliding cover, is provided with a first limiting bone, and the first limiting bone is matched with the first limiting switch and used for limiting the position of the second air outlet.

And a second limiting bone is further arranged on the outer wall of the bottom end of the sliding cover, and the second limiting bone is matched with the second limiting switch and used for limiting the position of the first air outlet.

The distance between the upper ends of the first limit switch and the second limit switch and the upper edge of the air duct shell is matched with the height of the sliding cover.

The heating body is formed by combining heating blocks, ventilation holes are formed among the heating blocks, and the ventilation holes are communicated with the air inlet.

The technical scheme of the invention has the following beneficial effects:

A. the liftable cold-warm type centrifugal air duct is characterized in that a heating body is arranged at a first air outlet on one side of an opening of an air duct assembly, a sliding cover is arranged above the opening, when the sliding cover rises, a second air outlet is formed above the heating body, when warm air is needed, the sliding cover descends and falls on the upper end of the heating body, only the first air outlet is reserved at the moment, the heating body is heated, the first air outlet blows out the warm air, when cold air is needed, the sliding cover rises to form the second air outlet, the heating body stops heating, and the first air outlet and the second air outlet blow out cold simultaneously. The lifting of the sliding cover realizes the switching function of cold air and hot air, the heating body is a fixing piece, the movement is not needed, the damage of the movement mechanism to the heating body is reduced, and the service life of the product is prolonged.

B. The liftable cold-warm type centrifugal air duct has the advantages that the sliding cover is lifted by the transmission mechanism, the structure is simple, and the performance is stable. When a cold air state is needed, the first air outlet and the second air outlet blow out cold air simultaneously, the cold air outlet is enlarged, sufficient air quantity is guaranteed to be sent out, and product use experience is improved. When a warm air state is needed, only the first air outlet works to blow out warm air, the air outlet is turned small, the warm air is guaranteed to reach sufficient temperature, cold air cannot blow out, and the use requirement is met.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings which are needed to be used in the embodiments will be briefly described below, and it is apparent that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained from the drawings without inventive labor to those skilled in the art.

FIG. 1 is a schematic view of the centrifugal duct axial decomposition of the present invention;

FIG. 2 is a schematic view showing the slide cover in a slide-up open state according to the present invention;

FIG. 3 is a schematic diagram of a state in which a first limit switch is touched by a first limit bone;

FIG. 4 is a sectional view of the present invention in a cold air condition;

FIG. 5 is a schematic view of the sliding closure in a closed sliding position according to the present invention;

FIG. 6 is a schematic diagram showing a second limit switch in a state where a second limit bone touches the second limit switch according to the present invention;

fig. 7 is a structural sectional view of the present invention in a warm air state.

Description of reference numerals:

1-air duct assembly

11-duct shell

111-air inlet, 112-sliding guide rail, 113-ventilation opening

12-main motor, 13-wind wheel

2-drive mechanism

21-driving motor, 22-gear

23-toothed rack

231-first limit bone

24-first limit switch, 25-second limit switch

3-sliding cover

31-second limiting bone, 32-sliding groove

4-heating element

5-first air outlet

6-second air outlet

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 in describing the present invention and simplifying the description, but do not indicate or imply that the system or element being referred to must have a specific orientation, be constructed and operated in a specific 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.

As shown in fig. 1 to 7, the present invention provides a liftable cooling and heating centrifugal air duct, including: the air duct comprises a heating body 4 and an air duct component 1 for providing an air source, wherein an opening is formed at the upper end of the air duct component 1, a first air outlet 5 is formed at one side of the opening, the heating body 4 is arranged at the position of the first air outlet 5, a sliding cover 3 is further arranged at the opening of the air duct component 1 and can slide up and down along the air duct component 1, and a second air outlet 6 is formed above the heating body 4 when the sliding cover 3 moves towards the direction far away from the opening; when the sliding cover 3 slides downwards to the opening position, the heating element 4 works, and cold air formed in the air duct assembly 1 is blown out from the first air outlet 5 through the heating element 4, so that a warm air blowing function is realized, as shown in fig. 7; when the sliding cover 3 slides to the position above the heating element 4, the heating element 4 stops working, and cold air formed in the air duct assembly 1 is blown out from the first air outlet 5 and the second air outlet 6, so that the cold air blowing function is realized (as shown in fig. 4). In addition, the air duct also comprises a transmission mechanism 2 arranged on the outer side wall of the air duct assembly 1 and used for controlling the sliding of the sliding cover 3. According to the liftable cold-warm type centrifugal air duct, the heating body is arranged on the front side of the ventilation opening of the air duct shell, when warm air is needed, the sliding cover descends to the upper end face of the heating body, the heating body is heated, warm air is blown out from the first air outlet, when cold air is needed, the sliding cover ascends, the second air outlet is formed above the first air outlet, the heating body stops heating, the first air outlet and the second air outlet simultaneously blow out cold, the air outlet area is further enlarged, and the experience feeling is improved. The lifting of the sliding cover realizes the switching function of cold air and hot air, the heating body is a fixing piece, the movement is not needed, the damage of the movement mechanism to the heating body is reduced, and the service life of the product is prolonged.

Specifically, the air duct assembly 1 comprises an air duct shell 11, a main motor 12 and a wind wheel 13, wherein the main motor 12 is embedded in the air duct shell 11, and the wind wheel 13 is fixed on a shaft of the main motor 12 and can rotate along with the shaft. The air duct shell 11 is further provided with an air inlet 111, and the main motor 12 is arranged on the inner side of the air inlet 111; the intake opening 111 communicates with the first outlet 5 and the second outlet 6.

A plurality of sliding guide rails 112 are vertically arranged on the upper portion of the air duct shell 11 along the outer wall, a plurality of sliding grooves 32 are vertically arranged on the sliding cover 3, the sliding grooves 32 are matched with the sliding guide rails 112, the sliding cover 3 slides up and down along the outer wall of the upper portion of the air duct shell 11, and the sliding cover 3 can be manually moved up and down.

In order to realize the automatic lifting function of the sliding cover, as shown in fig. 1, the transmission mechanism 2 includes a transmission motor 21, a gear 22, a rack 23, a first limit switch 24 and a second limit switch 25; the transmission motor 21 is detachably and fixedly connected to the outer wall of the upper part of the air duct shell 11, and the gear 22 is arranged between the transmission motor 21 and the air duct shell 11, is fixed on a rotating shaft of the transmission motor 21 and can rotate along with the rotating shaft; the rack 23 is arranged at the lower edge of the outer wall of the sliding cover 3 and is meshed with the gear 22; the first limit switch 24 and the second limit switch 25 are fixedly arranged on the outer wall of the upper part of the air duct shell 11. One end of the rack 23, which is far away from the sliding cover 3, is provided with a first limit bone 231, and the first limit bone 231 is matched with the first limit switch 24 to limit the position of the second air outlet 6. The outer wall of the bottom end of the sliding cover 3 is further provided with a second limit bone 31, and the second limit bone 31 is matched with the second limit switch 25 and used for limiting the position of the first air outlet 5. According to the liftable cold-warm type centrifugal air duct, the lifting of the sliding cover is completed by adopting the transmission mechanism, so that the structure is simple, the performance is stable, and the intelligentization is realized. In the cold wind state, the second air outlet has been produced above first air outlet, and first air outlet and second air outlet blow out cold wind simultaneously, and the air outlet is enlargied, has guaranteed that sufficient amount of wind is sent out, promotes the product and uses and experience. In the warm air state, only the first air outlet works, the warm air is blown out, the air outlet is turned small, the delivered warm air is guaranteed to reach the enough temperature, no cold air is blown out, and the use requirement is met.

The distance between the upper ends of the first limit switch 24 and the second limit switch 25 and the upper edge of the air duct shell 11 is consistent with the height of the sliding cover 3.

In addition, the heating element 4 is formed by combining a plurality of heating blocks, and a ventilation hole is formed between the heating blocks and communicated with the air inlet 111.

The working principle of the invention is as follows: when warm air is needed, the transmission motor 21 rotates, the gear 22 drives the rack 23, the sliding cover 3 is pulled downwards, when the second limit rib 31 touches the second limit switch 25, the sliding cover 3 closes the top of the ventilation opening 113 formed in the air duct shell 11, the main motor 12 drives the wind wheel 13 to rotate at a high speed, negative pressure is generated in the air duct, air is sucked from the air inlet 111 of the air duct shell 11, flowing air flowing through the air duct is blown to the heating body 4, the heating body 4 works at the moment, and the warm air blowing function is realized, as shown in fig. 5, 6 and 7.

When cold air is needed, the transmission motor 21 rotates, the gear 22 drives the rack 23 to push the sliding cover 3 upwards, and when the first limit bone 231 touches the first limit switch 24, the sliding cover 3 opens the top of the ventilation opening 113 formed in the air duct shell. The main motor 12 drives the wind wheel 13 to rotate at a high speed, negative pressure is generated in the air duct, air is sucked from the air inlet 111 of the air duct shell 11, flowing air flowing through the air duct is blown out from the first air outlet 5 and the second air outlet 6 on the front side through the ventilation opening 113, and at the moment, the heating element 4 does not work, so that a cold air blowing function is realized, as shown in fig. 2, 3 and 4.

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 intended to be within the scope of the invention.

Claims

1. A liftable cold and warm type centrifugal air duct comprises: the air-conditioning device comprises a heating body (4) and an air duct component (1) for providing an air source, wherein an opening is formed at the upper end of the air duct component (1), a first air outlet (5) is formed at one side of the opening, and the heating body (4) is arranged at the position of the first air outlet (5), and is characterized in that a sliding cover (3) is further arranged at the opening of the air duct component (1) and can slide up and down along the air duct component (1), and when the sliding cover (3) moves towards the direction far away from the opening, a second air outlet (6) is formed above the heating body (4); work as slip cover (3) gliding extremely during the opening position, heat-generating body (4) work, the cold wind warp that forms in wind channel subassembly (1) heat-generating body (4) by first air outlet (5) blow off, work as slide cover (3) go up extremely during heat-generating body (4) top, heat-generating body (4) stop work, the cold wind that forms in wind channel subassembly (1) by blow off in first air outlet (5) and second air outlet (6).

2. The liftable cooling and heating type centrifugal air duct according to claim 1, further comprising a transmission mechanism (2) arranged on the outer side wall of the air duct assembly (1) for controlling the sliding of the sliding cover (3).

3. The liftable cold and warm type centrifugal air duct according to claim 1, wherein the air duct assembly (1) comprises an air duct shell (11), a main motor (12) and a wind wheel (13), the main motor (12) is embedded in the air duct shell (11), and the wind wheel (13) is fixed on a shaft of the main motor (12) and can rotate along with the shaft.

4. The liftable cold and warm type centrifugal air duct according to claim 3, wherein an air inlet (111) is further formed in the air duct shell (11), and the main motor (12) is arranged inside the air inlet (111); the air inlet (111) is communicated with the first air outlet (5) and the second air outlet (6).

5. The liftable cold and warm type centrifugal air duct according to claim 4, wherein a sliding guide rail (112) is vertically arranged on the upper portion of the air duct shell (11) along the outer wall, a sliding groove (32) is vertically arranged on the sliding cover (3), and the sliding groove (32) is matched with the sliding guide rail (112) and used for enabling the sliding cover (3) to slide up and down along the outer wall of the upper portion of the air duct shell (11).

6. The liftable cold and warm type centrifugal air duct according to claim 3, wherein the transmission mechanism (2) comprises a transmission motor (21), a gear (22), a rack (23), a first limit switch (24) and a second limit switch (25); the transmission motor (21) is detachably and fixedly connected to the outer wall of the upper part of the air duct shell (11), and the gear (22) is arranged between the transmission motor (21) and the air duct shell (11); the rack (23) is arranged at the lower edge of the outer wall of the sliding cover (3) and is meshed with the gear (22); the first limit switch (24) and the second limit switch (25) are fixedly arranged on the outer wall of the upper portion of the air duct shell (11).

7. The liftable cold and warm type centrifugal air duct according to claim 6, wherein the gear (22) is fixedly arranged on a rotating shaft of the transmission motor (21) and can rotate along with the rotating shaft.

8. The liftable cold and warm type centrifugal air duct according to claim 7, wherein a first limit rib (231) is arranged at one end of the rack (23) far away from the sliding cover (3), and the first limit rib (231) is matched with the first limit switch (24) and used for limiting the position of the second air outlet (6).

9. The liftable cold and warm type centrifugal air duct according to claim 6, wherein a second limit rib (31) is further disposed on an outer wall of a bottom end of the sliding cover (3), and the second limit rib (31) is matched with the second limit switch (25) for limiting a position of the first air outlet (5).

10. The liftable cold and warm type centrifugal air duct according to claim 9, wherein the distance between the upper ends of the first limit switch (24) and the second limit switch (25) and the upper edge of the air duct shell (11) is matched with the height of the sliding cover (3).

11. The liftable cooling and heating type centrifugal air duct according to any one of claims 1 to 10, wherein the heating element (4) is formed by combining heating blocks, a ventilation hole is formed between the heating blocks, and the ventilation hole is communicated with the air inlet (111).