CN214198897U

CN214198897U - Air conditioner

Info

Publication number: CN214198897U
Application number: CN202023254747.XU
Authority: CN
Inventors: 董明珠; 王宏望; 韩冲; 陈红光; 潘龙腾
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-14
Anticipated expiration: 2030-12-29

Abstract

The utility model provides an air conditioner, which comprises a shell, a fan, an upper wind shielding mechanism and a lower wind shielding mechanism, wherein the shell is provided with an upper wind inlet and a lower wind inlet; the fan is arranged in the cavity of the shell and comprises a volute, the volute is provided with an air inducing cavity, an air inducing port, an upper air outlet and a lower air outlet, the air inducing port, the upper air outlet and the lower air outlet are communicated, and the upper air outlet and the lower air outlet are communicated; a lower air duct is arranged between the volute and the shell, an upper air duct is arranged in the area above the volute in the shell, two ends of the upper air duct are respectively communicated with the upper air inlet and the induced draft opening, and two ends of the lower air duct are respectively communicated with the lower air inlet and the induced draft opening; the fan is provided with an upper air outlet state and a lower air outlet state; at least one part of the upper wind shielding mechanism is movably arranged to open or close the upper wind channel; at least a portion of the lower wind shielding mechanism is movably disposed to open or close the lower wind tunnel. The air outlet quantity of the air conditioner can be increased, and the heat exchange efficiency is improved.

Description

Air conditioner

Technical Field

The utility model relates to an air conditioner technical field particularly, relates to an air conditioner.

Background

The air conditioner capable of switching the upper air outlet and the lower air outlet can realize bath type refrigeration, blanket type heating and good comfort. The air conditioner is provided with the fan capable of reversely blowing air up and down, and has a great development prospect, wherein the air can be blown from top to bottom during refrigeration, and the air can be blown from bottom to top during heating.

However, the existing air conditioner is difficult to control the air inlet direction, and air can be simultaneously fed up and down during air inlet, which affects the air outlet quantity and the heat exchange efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides an air conditioner to increase the air output of air conditioner, improve heat exchange efficiency.

In order to achieve the above object, the present invention provides an air conditioner, including: a housing having an upper tuyere and a lower tuyere; the fan is arranged in the cavity of the shell and comprises a volute, the volute is provided with an air inducing cavity, an air inducing opening, an upper air outlet and a lower air outlet, the air inducing opening, the upper air outlet and the lower air outlet are communicated with the air inducing cavity, and the upper air outlet and the lower air outlet are communicated with each other; a lower air duct is arranged between the volute and the shell, an upper air duct is arranged in the shell and positioned above the volute, two ends of the upper air duct are respectively communicated with the upper air inlet and the induced air inlet, and two ends of the lower air duct are respectively communicated with the lower air inlet and the induced air inlet; the fan is provided with an upper air outlet state and a lower air outlet state; the upper wind shielding mechanism is arranged in the cavity of the shell, and at least one part of the upper wind shielding mechanism is movably arranged to open or close the upper wind channel; and the lower wind shielding mechanism is arranged in the cavity of the shell, and at least one part of the lower wind shielding mechanism is movably arranged to open or close the lower wind channel.

Further, go up the fan structure and include: the upper baffle plate is rotatably arranged in the upper air duct so as to open or close the upper air duct; and the upper driving part is in driving connection with the upper baffle so as to drive the upper baffle to rotate.

Further, the shape of the upper baffle plate is matched with the cross-sectional shape of the upper air duct, and the upper wind shielding mechanism further comprises: the pivot, the pivot with go up the baffle and connect, the one end of pivot is worn to establish on the shell, the other end of pivot with go up the drive shaft connection of drive division.

Further, the lower wind blocking mechanism comprises: the lower baffle plate is rotatably arranged in the lower air duct so as to open or close the lower air duct; and the lower driving part is in driving connection with the lower baffle so as to drive the lower baffle to rotate.

Furthermore, the number of the upper air ducts is two, the two upper air ducts are respectively located on two sides of the air inducing cavity on the horizontal projection surface of the air conditioner, the number of the upper wind shielding mechanisms is two, and the two upper wind shielding mechanisms and the two upper air ducts are arranged in a one-to-one correspondence manner.

Furthermore, the number of the lower air ducts is two, the two lower air ducts are respectively positioned at two sides of the air inducing cavity, the number of the lower wind shielding mechanisms is two, and the two lower wind shielding mechanisms and the two lower air ducts are arranged in a one-to-one correspondence manner; the number of the air inducing ports is two, and the two air inducing ports are located on two sides of the air inducing cavity.

Further, the shell has the heat transfer chamber that is located the fan top, a part cavity in heat transfer chamber forms go up the wind channel, go up the wind gap with go up the air outlet all with the heat transfer chamber intercommunication, the air conditioner still includes: the evaporator is arranged in the heat exchange cavity of the shell.

Further, the fan still includes: the centrifugal fan blade is rotatably arranged in the induced draft cavity; the rotating volute tongue is rotatably arranged in the induced air cavity, the rotating volute tongue is provided with a first position for plugging the lower air outlet and avoiding the upper air outlet, and the rotating volute tongue is also provided with a second position for plugging the upper air outlet and avoiding the lower air outlet; when the fan is in the air outlet state of the upper air outlet, the rotary volute tongue is in the first position, the upper air duct is closed, and the lower air duct is opened; and under the condition that the fan is in the air outlet state of the lower air outlet, the rotary volute tongue is in the second position, the upper air duct is opened, and the lower air duct is closed.

Further, rotatory volute tongue is the arc structure, the fan still includes: the arc-shaped rack is arranged on the rotating volute tongue; the gear is rotatably arranged on the volute and is meshed with the arc-shaped rack so as to drive the rotary volute tongue to rotate.

Further, the lower part of shell has the side wind gap, the side wind gap with down the wind channel intercommunication, the air conditioner still includes the filter screen, the filter screen sets up side wind gap department.

The technical scheme of the utility model provides an air conditioner, which comprises a shell, a fan, an upper wind shielding mechanism and a lower wind shielding mechanism, wherein the shell is provided with an upper wind inlet and a lower wind inlet; the fan is arranged in the cavity of the shell and comprises a volute, the volute is provided with an air inducing cavity, an air inducing port, an upper air outlet and a lower air outlet, the air inducing port, the upper air outlet and the lower air outlet are communicated, and the upper air outlet and the lower air outlet are communicated; an upper air duct and a lower air duct are arranged between the volute and the shell, two ends of the upper air duct are respectively communicated with the upper air inlet and the induced draft opening, and the lower air duct is respectively communicated with the lower air inlet and the induced draft opening; the fan is provided with an upper air outlet state and a lower air outlet state; the upper wind shielding mechanism is arranged in the cavity of the shell, and at least one part of the upper wind shielding mechanism is movably arranged to open or close the upper wind channel; the lower wind shielding mechanism is arranged in the cavity of the shell, and at least one part of the lower wind shielding mechanism is movably arranged to open or close the lower wind channel. By adopting the scheme, when the air conditioner goes out of wind, the upper wind channel is closed through the upper wind shielding mechanism, so that the influence on wind outlet caused by wind inlet from the upper wind channel is avoided, and when the air conditioner goes out of wind, the lower wind channel is closed through the lower wind shielding mechanism, so that the influence on wind outlet caused by wind inlet from the lower wind channel is avoided. Therefore, the air output of the air conditioner can be improved, and the heat exchange efficiency is improved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of an air conditioner according to an embodiment of the present invention;

FIG. 2 shows a cross-sectional view of the air conditioner of FIG. 1;

FIG. 3 shows a schematic view of the upper catch mechanism of FIG. 2;

fig. 4 shows a schematic view of the fan of fig. 1.

Wherein the figures include the following reference numerals:

10. a housing; 11. an upper air duct; 12. a lower air duct; 13. a heat exchange cavity; 21. a volute; 211. an air inducing port; 212. an upper air outlet; 213. a lower air outlet; 214. a wind-guiding cavity; 22. a centrifugal fan blade; 23. rotating the volute tongue; 30. an upper wind shielding mechanism; 40. a lower wind shielding mechanism; 41. an upper baffle plate; 42. an upper driving part; 43. a rotating shaft; 50. an evaporator; 60. and (4) a filter screen.

Detailed Description

The technical solution in 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. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.

As shown in fig. 1 to 4, an embodiment of the present invention provides an air conditioner, including: a housing 10, the housing 10 having an upper air inlet and a lower air inlet; the fan is arranged in the cavity of the shell 10 and comprises a volute 21, the volute 21 is provided with an air inducing cavity 214, an air inducing opening 211, an upper air outlet 212 and a lower air outlet 213 which are communicated with the air inducing cavity 214, the upper air outlet 212 is communicated with the upper air inlet, and the lower air outlet 213 is communicated with the lower air inlet; a lower air duct 12 is arranged between the volute 21 and the shell 10, an upper air duct 11 is arranged in the shell 10 and positioned above the volute 21, two ends of the upper air duct 11 are respectively communicated with an upper air inlet and an induced air inlet 211, and two ends of the lower air duct 12 are respectively communicated with a lower air inlet and an induced air inlet 211; the fan is provided with an upper air outlet state and a lower air outlet state; an upper wind blocking mechanism 30 disposed in the cavity of the housing 10, at least a portion of the upper wind blocking mechanism 30 being movably disposed to open or close the upper wind path 11; and a lower wind shielding mechanism 40 disposed within the cavity of the housing 10, at least a portion of the lower wind shielding mechanism 40 being movably disposed to open or close the lower duct 12.

By adopting the scheme, when the air conditioner is blown out from the upper air outlet (namely, the fan is in the air outlet state of the upper air outlet, and the air enters the upper air outlet from the upper air outlet 212 and is blown out), the upper air duct 11 is closed through the upper wind shielding mechanism 30, so that the air is only blown in from the lower air duct 12, and the influence on the air outlet caused by the air entering from the upper air duct 11 is avoided, and when the air conditioner is blown out from the lower air outlet (namely, the fan is in the air outlet state of the lower air outlet, and the air enters the lower air outlet from the lower air outlet 213 and is blown out), the lower air duct 12 is closed through the lower wind shielding mechanism 40, so that the air is only blown in from the upper air duct 11, and the influence on the air outlet caused by the air entering from the lower air duct 12 is avoided. Therefore, the air output of the air conditioner can be improved, and the heat exchange efficiency is improved.

When the fan is in the air outlet state of the upper air outlet, the upper air outlet 212 is opened, the lower air outlet 213 is closed, the upper air duct 11 is closed, and the lower air duct 12 is opened; under the condition that the fan is in the air outlet state of the lower air outlet, the lower air outlet 213 is opened, the upper air outlet 212 is closed, the upper air duct 11 is opened, and the lower air duct 12 is closed.

In the present embodiment, the upper wind blocking mechanism 30 includes: an upper baffle 41, the upper baffle 41 being rotatably provided in the upper duct 11 to open or close the upper duct 11; the upper driving part 42, the upper driving part 42 and the upper baffle 41 are in driving connection so as to drive the upper baffle 41 to rotate. This causes the upper shutter 41 to rotate by the upper driving unit 42, and opens or closes the upper duct 11 by the upper shutter 41. The scheme has simple structure and is convenient to control. Specifically, the lower end opening of the upper air duct 11 is used for communicating with the induced air port 211, the upper baffle plate 41 is arranged at the lower end opening of the upper air duct 11, and the rotation of the upper baffle plate 41 can open or close the lower end opening of the upper air duct 11.

In the present embodiment, the shape of the upper baffle plate 41 matches the cross-sectional shape of the upper duct 11, and the upper wind blocking mechanism 30 further includes: the rotating shaft 43, the rotating shaft 43 and the upper baffle 41 are connected, one end of the rotating shaft 43 is arranged on the shell 10 in a penetrating way, and the other end of the rotating shaft 43 is connected with a driving shaft of the upper driving part 42. The rotation of the upper baffle 41 is facilitated by the provision of the rotating shaft 43.

Accordingly, the lower wind shielding mechanism 40 includes: a lower baffle rotatably disposed in the lower duct 12 to open or close the lower duct 12; and the lower driving part is in driving connection with the lower baffle so as to drive the lower baffle to rotate. This enables the rotation of the lower shutter by the lower driving part, thereby opening or closing the lower duct 12 by the lower shutter. The scheme has simple structure and is convenient to control. Specifically, the upper end opening of the lower air duct 12 is used for communicating with the induced air port 211, the lower baffle is arranged at the upper end opening of the lower air duct 12, and the rotation of the lower baffle can open or close the upper end opening of the lower air duct 12.

In this embodiment, there are two upper air ducts 11, on the horizontal projection plane of the air conditioner, the two upper air ducts 11 are respectively located at two sides of the air inducing cavity 214, there are two upper air blocking mechanisms 30, and the two upper air blocking mechanisms 30 and the two upper air ducts 11 are arranged in one-to-one correspondence. The air inlet amount can be increased by arranging two upper air ducts 11.

Furthermore, two lower air ducts 12 are provided, the two lower air ducts 12 are respectively located at two sides of the air inducing cavity 214, the two lower wind shielding mechanisms 40 are provided, and the two lower wind shielding mechanisms 40 and the two lower air ducts 12 are arranged in a one-to-one correspondence manner; the number of the induced draft holes 211 is two, and the two induced draft holes 211 are located at both sides of the induced draft cavity 214. The air intake of the fan can be increased by arranging the two lower air ducts 12 and the two air inducing openings 211, so that the heat exchange effect of the air conditioner is improved.

In this embodiment, the casing 10 has a heat exchange cavity 13 located above the fan, a part of the cavity of the heat exchange cavity 13 forms an upper air duct 11, the upper air inlet and the upper air outlet 212 are both communicated with the heat exchange cavity 13, and the air conditioner further includes: and the evaporator 50 is arranged in the heat exchange cavity 13 of the shell 10. With evaporimeter 50 setting in above-mentioned position, no matter air-out or air-out down on the air conditioner, the wind homoenergetic realizes the heat transfer with evaporimeter 50 contact. Specifically, the evaporator 50 has a V-shaped configuration. Specifically, as shown in fig. 2, the left and right side regions of the heat exchange chamber 13 form two upper air ducts 11, respectively, and the evaporator 50 is disposed in the middle region of the heat exchange chamber 13.

In this embodiment, the fan further includes: the centrifugal fan blade 22 is rotatably arranged in the induced air cavity 214; the rotary volute tongue 23 is rotatably arranged in the induced air cavity 214, the rotary volute tongue 23 is provided with a first position for plugging the lower air outlet 213 and avoiding the upper air outlet 212, the rotary volute tongue 23 is also provided with a second position for plugging the upper air outlet 212 and avoiding the lower air outlet 213, and therefore the fan can be switched to be blown out upwards or blown out downwards through the position change of the rotary volute tongue 23. When the fan is in the air outlet state of the upper air outlet, the rotary volute tongue 23 is in the first position, the upper air duct 11 is closed, and the lower air duct 12 is opened; and under the condition that the fan is in the air outlet state of the lower air outlet, the rotary volute tongue 23 is in the second position, the upper air duct 11 is opened, and the lower air duct 12 is closed. Therefore, the upper air outlet volume or the lower air outlet volume is larger, and the heat exchange efficiency is improved. Specifically, the centrifugal fan 22 is a double centrifugal fan, which can increase the air volume.

In this embodiment, the rotary volute tongue 23 is an arc-shaped structure, and the blower further includes: the arc-shaped rack is arranged on the rotary volute tongue 23; and the gear is rotatably arranged on the volute casing 21 and is meshed with the arc-shaped rack so as to drive the rotary volute tongue 23 to rotate. When the gear rotates, the gear drives the arc-shaped rack to rotate, and the arc-shaped rack drives the rotary volute tongue 23 to rotate, so that the position switching of the rotary volute tongue 23 is realized.

Further, the lower portion of the casing 10 has a side air inlet, the side air inlet is communicated with the lower air duct 12, the air conditioner further includes a filter screen 60, and the filter screen 60 is disposed at the side air inlet. The air inlet amount can be increased by arranging the side air inlet when air enters from the lower part. The filter screen 60 is provided to prevent impurities from entering from the side air inlet.

Optionally, the inner wall of the induced air cavity 214 has a guide groove, and the fan further comprises a guide structure provided on the rotary volute tongue 23, the guide structure being located in the guide groove to move along the guide groove. Therefore, the rotating volute tongue 23 can be guided by matching the guide structure with the guide groove, so that the rotating volute tongue 23 can move stably, the shaking is reduced, and the reliability is improved.

Optionally, the guide structure comprises: the first roller is rotatably arranged on the rotary volute tongue 23, the axis of the first roller is parallel to the rotation center line of the rotary volute tongue 23, and the first roller is abutted against the side wall of the guide groove; and the second roller is rotatably arranged on the rotary volute tongue 23, the axis of the second roller is vertical to the rotation center line of the rotary volute tongue 23, and the second roller is abutted against the bottom wall of the guide groove. Through the first idler wheel and the second idler wheel with different axes, the rotating volute tongue is limited and guided in different directions, so that the rotating volute tongue 23 can move stably. The first roller and the second roller are adopted, so that the direct contact between the rotating volute tongue 23 and the inner wall of the induced draft cavity 214 is avoided, the friction resistance is reduced, and the movement is smooth.

Optionally, the rotating volute tongue 23 comprises: the arc-shaped plate is used for plugging the upper air outlet or the lower air outlet, and a gap is formed between the arc-shaped plate and the inner wall of the induced air cavity 214; the arc-shaped blocking rib is arranged on the arc-shaped plate, and one part of the arc-shaped blocking rib is positioned in the guide groove. A gap is arranged between the arc-shaped plate and the inner wall of the induced draft cavity 214, so that the rotary volute tongue 23 can rotate conveniently, and the clamping is avoided. The arc-shaped blocking ribs extending into the guide grooves can block the gaps, air leakage at the gaps is avoided, and sealing performance and air quantity of the fan are improved. Optionally, there is a gap between the arc-shaped rib and the inner wall of the induced draft cavity 214, so as to avoid friction caused by contact between the arc-shaped rib and the inner wall of the induced draft cavity 214. Moreover, the arc-shaped blocking rib is provided with an avoiding groove for avoiding the guide structure. The avoiding groove can avoid the interference of the guide structure and the arc-shaped blocking rib, so that the arrangement of the guide structure is convenient.

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

1. An air conditioner, comprising:

a housing (10), the housing (10) having an upper air inlet and a lower air inlet;

the fan is arranged in the cavity of the shell (10), the fan comprises a volute (21), the volute (21) is provided with an air induction cavity (214), an air induction port (211), an upper air outlet (212) and a lower air outlet (213), the air induction port, the upper air outlet (212) and the lower air outlet are communicated, and the lower air outlet (213) and the upper air outlet are communicated; a lower air duct (12) is arranged between the volute (21) and the shell (10), an upper air duct (11) is arranged in the shell (10) and positioned above the volute (21), two ends of the upper air duct (11) are respectively communicated with the upper air inlet and the air induction port (211), and two ends of the lower air duct (12) are respectively communicated with the lower air inlet and the air induction port (211); the fan is provided with an upper air outlet state and a lower air outlet state;

an upper wind shielding mechanism (30) arranged in the cavity of the shell (10), wherein at least one part of the upper wind shielding mechanism (30) is movably arranged to open or close the upper wind channel (11);

a lower wind shielding mechanism (40) disposed within the cavity of the housing (10), at least a portion of the lower wind shielding mechanism (40) being movably disposed to open or close the lower duct (12).

2. The air conditioner according to claim 1, wherein the upper wind shielding mechanism (30) comprises:

an upper baffle plate (41), wherein the upper baffle plate (41) is rotatably arranged in the upper air duct (11) to open or close the upper air duct (11);

the upper driving part (42) is in driving connection with the upper baffle (41) so as to drive the upper baffle (41) to rotate.

3. The air conditioner according to claim 2, wherein the shape of the upper baffle (41) matches the cross-sectional shape of the upper duct (11), and the upper wind shielding mechanism (30) further comprises:

the rotating shaft (43), the rotating shaft (43) and the upper baffle (41) are connected, one end of the rotating shaft (43) penetrates through the shell (10), and the other end of the rotating shaft (43) is connected with a driving shaft of the upper driving part (42).

4. The air conditioner according to claim 1, wherein the lower wind shielding mechanism (40) comprises:

a lower baffle rotatably disposed in the lower duct (12) to open or close the lower duct (12);

and the lower driving part is in driving connection with the lower baffle so as to drive the lower baffle to rotate.

5. The air conditioner according to claim 1, wherein the number of the upper air ducts (11) is two, and the two upper air ducts (11) are respectively located at two sides of the air inducing cavity (214) on a horizontal projection plane of the air conditioner; the number of the upper wind shielding mechanisms (30) is two, and the two upper wind shielding mechanisms (30) and the two upper wind channels (11) are arranged in a one-to-one correspondence mode.

6. The air conditioner according to claim 5,

the number of the lower air ducts (12) is two, the two lower air ducts (12) are respectively positioned at two sides of the air inducing cavity (214), the number of the lower wind shielding mechanisms (40) is two, and the two lower wind shielding mechanisms (40) and the two lower air ducts (12) are arranged in a one-to-one correspondence manner;

the number of the air inducing ports (211) is two, and the two air inducing ports (211) are respectively located on two sides of the air inducing cavity (214).

7. The air conditioner according to claim 1, wherein the casing (10) has a heat exchange chamber (13) located above the fan, a part of the chamber of the heat exchange chamber (13) forms the upper duct (11), and the upper air inlet and the upper air outlet (212) are both communicated with the heat exchange chamber (13), the air conditioner further comprising:

an evaporator (50) arranged in a heat exchange chamber (13) of the casing (10).

8. The air conditioner of claim 1, wherein the fan further comprises:

the centrifugal fan blade (22) is rotatably arranged in the air inducing cavity (214);

the rotating volute tongue (23) is rotatably arranged in the air inducing cavity (214), the rotating volute tongue (23) is provided with a first position for plugging the lower air outlet (213) and avoiding the upper air outlet (212), and the rotating volute tongue (23) is also provided with a second position for plugging the upper air outlet (212) and avoiding the lower air outlet (213);

when the fan is in the air outlet state of the upper air outlet, the rotary volute tongue (23) is in the first position, the upper air duct (11) is closed, and the lower air duct (12) is opened; and under the condition that the fan is in the air outlet state of the lower air outlet, the rotary volute tongue (23) is in the second position, the upper air duct (11) is opened, and the lower air duct (12) is closed.

9. The air conditioner according to claim 8, wherein the rotary volute tongue (23) has an arc-shaped structure, and the blower further comprises:

the arc-shaped rack is arranged on the rotating volute tongue (23);

the gear is rotatably arranged on the volute (21) and is meshed with the arc-shaped rack so as to drive the rotary volute tongue (23) to rotate.

10. The air conditioner according to claim 1, wherein the lower portion of the casing (10) has a side air opening communicating with the lower duct (12), the air conditioner further comprising a filter screen (60), the filter screen (60) being provided at the side air opening.