CN105698351B - Wall-mounted air conditioner with drainage structure - Google Patents
Wall-mounted air conditioner with drainage structure Download PDFInfo
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- CN105698351B CN105698351B CN201410702740.XA CN201410702740A CN105698351B CN 105698351 B CN105698351 B CN 105698351B CN 201410702740 A CN201410702740 A CN 201410702740A CN 105698351 B CN105698351 B CN 105698351B
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- 238000007789 sealing Methods 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 description 2
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- 238000005265 energy consumption Methods 0.000 description 2
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Abstract
The invention discloses a wall-mounted air conditioner with a drainage structure, which comprises an indoor unit, wherein a cross-flow fan and a heat exchanger are formed in a shell of the indoor unit, a long-strip-shaped air outlet is formed on the shell, an air induction port is formed on a rear volute forming an air supply duct of the cross-flow fan along the length direction of the air outlet, and a draught fan is arranged above the shell and is communicated with the air induction port through an air induction channel; the induced air passageway includes that the drainage is responsible for and many drainage branch pipe, the drainage is responsible for the follow the air outlet downwardly extending of draught fan, and follow the length direction in induced air mouth is followed the one end in induced air mouth extends to the other end, many the drainage branch pipe interval form with the induced air mouth corresponds on the drainage is responsible for, every drainage branch pipe one end forms the orientation the opening in induced air mouth. The wall-mounted air conditioner can solve the problems that the air outlet of the existing wall-mounted air conditioner is not soft enough and the air supply volume is small.
Description
Technical Field
The invention belongs to the technical field of air conditioning, and particularly relates to a wall-mounted air conditioner, in particular to a wall-mounted air conditioner with a drainage structure.
Background
The air supply process of the indoor unit of the existing split type wall-mounted air conditioner is as follows: indoor air as non-heat exchange air enters the indoor unit under the action of the cross-flow fan, heat exchange air is formed after heat exchange of the heat exchanger, and the heat exchange air is blown out from the air outlet under the action of the cross-flow fan. Therefore, all the air blown out from the air outlet is heat exchange air. The air sent out by the air supply mode is all the air after heat exchange of the heat exchanger, the temperature difference relative to indoor air is large, the air outlet is not soft enough, the air outlet directly blows to a user and feels uncomfortable, especially in a refrigeration mode, the air outlet temperature of the air outlet is low, the air outlet blows to the user and feels uncomfortable, and air conditioning diseases are easy to generate. On the other hand, because the air inlet mode is single, the air supply quantity is less, the indoor air circulation speed is slow, the time required for the indoor air to reach the set temperature is long, and the power consumption is large.
Disclosure of Invention
The invention aims to provide a wall-mounted air conditioner with a drainage structure, which aims to solve the problems that the air outlet of the existing wall-mounted air conditioner is not soft enough and the air supply volume is small.
In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:
a wall-mounted air conditioner with a flow guide structure comprises an indoor unit, wherein the indoor unit comprises a shell, a cross-flow fan and a heat exchanger are formed in the shell, a long-strip-shaped air outlet is formed in the shell, an air guide opening is formed in the length direction of the air outlet on a rear volute forming an air supply duct of the cross-flow fan, and a draught fan is arranged above the shell and is communicated with the air guide opening through an air guide channel; the induced air passageway includes that the drainage is responsible for and many drainage branch pipe, the drainage is responsible for the follow the air outlet downwardly extending of draught fan, and follow the length direction in induced air mouth is followed the one end in induced air mouth extends to the other end, the drainage is responsible for and is close to the one end of draught fan with the air outlet of draught fan seals to be connected, and relative other end seals, many the drainage branch pipe interval form with the induced air mouth corresponds the drainage is responsible for, every on the drainage branch pipe one end with the drainage is responsible for the intercommunication, and relative other end forms the orientation the opening in induced air mouth.
Preferably, the distance between two adjacent branch drainage tubes is 30-100 mm.
The wall-mounted air conditioner as described above, the branch drainage pipe is formed obliquely downward on the main drainage pipe in a structure in which one end communicating with the main drainage pipe is higher than the other end forming the opening.
Preferably, the angle of the inclined downward inclination of the drainage branch pipe is 5-30 degrees.
Preferably, the main drainage pipe and the branch drainage pipe are hoses.
According to the wall-mounted air conditioner, the volute opening is formed in the rear volute along the length direction of the air outlet, the air inducing assembly is formed on the volute opening, and the air inducing openings are formed in the air inducing assembly or in the air inducing assembly and the volute opening.
In a cross section perpendicular to the axis of the cross-flow fan, the volute opening has a first end close to the air outlet and a second end far away from the air outlet, a connection line L1 is formed between the first end and the axis of the cross-flow fan, a connection line L2 is formed between the second end and the axis of the cross-flow fan, the axis of the cross-flow fan makes a perpendicular line to a mounting surface on the housing to form L3, an included angle α is formed between L1 and L2 and an included angle β is formed between L2 and L3 in the direction from L1 to L2 to L3, and the included angle α and the included angle β satisfy the conditions that 0 DEG is not less than α and not more than 90 DEG, and 0 DEG is not less than β and not more than 90 deg.
The wall-mounted air conditioner as described above, wherein the distance H between the first end and the second end of the volute opening satisfies: h is more than or equal to 70mm and less than or equal to 150 mm.
According to the wall-mounted air conditioner, the air inducing assembly comprises a plurality of air inducing grilles which are sequentially arranged along the direction of the rear volute at intervals, and the air inducing opening is formed between every two adjacent air inducing grilles.
The wall-mounted air conditioner comprises a first portion located on the rear volute molded line and a second portion bent towards the direction deviating from the air supply duct, wherein an included angle between the second portion and the L3 is gamma, and the included angle gamma satisfies the following conditions: gamma is more than or equal to 0 degree and less than or equal to 60 degrees.
Preferably, the plurality of air-inducing grilles are connected in sequence to form the air-inducing assembly of an integrated structure.
Preferably, the induced draft assembly is detachably assembled at the opening of the volute.
Compared with the prior art, the invention has the advantages and positive effects that:
according to the invention, the induced air port is formed on the rear volute of the through-flow fan air supply duct, the induced draft fan is arranged above the shell and is communicated with the induced air port through the induced air channel, a large amount of external non-heat-exchange air is actively fed into the through-flow fan air supply duct through the induced air channel and the induced draft port by the induced draft fan and is mixed with the heat-exchange air in the air supply duct to form mixed air, the mixed air is fed into a room through the air outlet, the mixed air is softer, the mixed air can feel more comfortable when being blown onto a user, and the user comfort experience effect is improved. Moreover, the structure of the invention is used for air supply, the induced air quantity is large, the air supply quantity of the air outlet is obviously increased, the flowing speed and the uniformity of the indoor air are favorably accelerated, and the time and the energy consumption for the indoor air to reach the set temperature are reduced.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a perspective view showing an embodiment of an indoor unit of a wall-mounted type air conditioner having a drainage structure according to the present invention;
FIG. 2 is a schematic view of the internal structure of FIG. 1;
FIG. 3 is a rear view of FIG. 1;
FIG. 4 is a front view of a drainage structure in one embodiment;
FIG. 5 is a side view of the drainage structure of FIG. 4;
FIG. 6 is a perspective view of the drainage structure of FIG. 4;
fig. 7 is a partial internal view showing another embodiment of an indoor unit of a wall-mounted air conditioner having a drainage structure according to the present invention;
fig. 8 is a perspective view of a portion of the structure of fig. 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1 to 6, an embodiment of the present invention, specifically, an embodiment of an indoor unit of a wall-mounted air conditioner having a flow guide structure according to the present invention is shown.
Wherein, fig. 1 is a perspective view of the indoor unit of the embodiment; FIG. 2 is a schematic view of the internal structure of FIG. 1; fig. 3 is a rear view of fig. 1, and fig. 4, 5, 6 are front, side and perspective views, respectively, of the drainage structure in this embodiment.
As shown in fig. 1 to 6, an indoor unit 100 of a wall-mounted air conditioner according to this embodiment includes a casing 1, a cross-flow fan 3 and a heat exchanger 4 are disposed in the casing, a long-strip-shaped air outlet 5 is formed in the casing, and a main air inlet 9 is formed at the top of the casing 1. When the indoor unit 100 is powered on and works, under the action of the cross flow fan 3, indoor non-heat exchange air enters the shell from the main air inlet 9 and is sent to the heat exchanger 4 for heat exchange. The heat exchange air after heat exchange is sent to the air outlet 5 through the cross flow fan air supply duct 6 and finally blown to the indoor through the air outlet 5.
The rear volute 7 forming the air supply duct 6 is adjacent to a casing rear wall serving as a casing installation surface 11 for installing a wall hanging plate by which the indoor unit 100 is installed on a wall surface. An opening 71 is formed on the rear scroll casing 7. Specifically, the opening 71 is formed as an air introduction port on the rear scroll 7 in the longitudinal direction of the air outlet 5. An induced draft fan 10 is provided above the casing 1, and the induced draft fan 10 communicates with an opening 71 as an induced draft port through the induced draft passage 2. Specifically, in this embodiment, the induced draft fan 10 is disposed on the right side above the casing 1 on the non-intake area not obstructing the main intake vent 9. Moreover, the induced draft fan 10 is a double suction type centrifugal fan, and has two air inlets, the air inlet directions of the two air inlets are parallel to the housing mounting surface 22, and the air outlet of the induced draft fan 10 faces the rear side.
When the indoor unit 100 with the above structure works, heat exchange air after heat exchange by the heat exchanger 4 is accelerated to the air outlet 5 by the cross-flow fan air supply duct 6 under the action of the cross-flow fan 3. The induced draft fan 10 is controlled to work, the induced draft fan 10 sucks a large amount of external non-heat-exchange air, and the non-heat-exchange air is sent to the air supply duct 6 through the induced draft channel 2 and the opening 71. This part of the non-heat-exchange air is mixed with the heat-exchange air flowing in the air supply duct 6 to form mixed air, and the mixed air is blown into the room through the air outlet 5. The mixed air is formed by mixing the non-heat exchange air and the heat exchange air, the temperature is suitable and soft, the mixed air can feel more comfortable when being blown to a user, and the comfort experience effect of the user is improved. Moreover, since the opening 71 is formed along the length direction of the air outlet 5, the opening area is large, which facilitates the rapid delivery of a large amount of non-heat-exchange air sucked by the induced draft fan 10 into the air supply duct 6. Therefore, compared with the pure heat exchange air, the mixed air has large air quantity, and the air quantity of the air outlet 5 is increased. Therefore, the flow speed and the uniformity of the indoor air are improved, and the time and the energy consumption for the indoor air to reach the set temperature are reduced.
Specifically, in this embodiment, the air inducing passage 2 includes a main flow inducing pipe 21 and a plurality of branch flow inducing pipes 22. The main flow guide pipe 21 extends downward from the air outlet of the induced draft fan 10, and extends from one end to the other end of the opening 71 along the length direction of the opening 71. One end of the main flow guide pipe 21 close to the induced draft fan 10 is connected with an air outlet of the induced draft fan 10 in a sealing mode, and the other opposite end of the main flow guide pipe is sealed. A plurality of branch drain pipes 22 are formed at intervals on the main drain pipe 21 corresponding to the opening 71, specifically, on the horizontal pipe section of the main drain pipe 21. One end of each branch drainage pipe 22 is communicated with the main drainage pipe, and the other opposite end forms an opening 221 facing the opening 71. The distance D1 between two adjacent branch draft tubes 22 needs to be limited, because if the distance is too large, the airflow entering the opening 71 will not be uniform enough, and if the distance is too small, the air outlets of the branch draft tubes 22 will interfere with each other. Preferably, D1 has a value in the range of 30-100 mm. For example, in this embodiment, D1=64 mm.
As a more preferable embodiment, each of the branch drainage pipes 22 is formed obliquely downward on the main drainage pipe 21 in a structure in which one end communicating with the main drainage pipe 21 is higher than the other end forming the opening 221, facilitating smooth drainage. Preferably, the branch drain 22 is angled obliquely downward
The range (relative to horizontal) is 5 deg. -30 deg..
Moreover, in this embodiment, the main drainage pipe 21 and the branch drainage pipe 22 are flexible pipes, which have high plasticity and can be matched with each other along the shape of the inner wall of the casing 1, so that the main drainage pipe and the branch drainage pipe can be conveniently built in the inner space of the casing 1, and the volume of the casing 1 is not increased as much as possible.
The induced draft fan 10 of this embodiment is a centrifugal fan, but is not limited to this, and may be an axial flow fan or a cross flow fan. When selecting different fans, drainage channel 2 keeps unchanged, only needs according to the air inlet of fan, air-out direction, rationally arrange the fan position for the fan can inhale indoor non-heat exchange wind, and send to in drainage channel 2 can.
Fig. 7 is a schematic view of a partial internal structure of an indoor unit of a wall-mounted air conditioner having a flow guide structure according to another embodiment of the present invention, specifically, a schematic view of an air guide structure different from the first embodiment of fig. 1 to 6. In order to simplify the structure, fig. 7 shows only a part of the internal structure, and the rest of the internal structure and the structures of the induced draft fan and the induced draft channel can refer to the first embodiment. Further, fig. 7 shows an internal structure diagram showing a sectional view perpendicular to the axis of the cross flow fan 3, that is, a sectional view perpendicular to the axis of the cross flow fan 3.
Referring to fig. 7, in combination with the perspective view of the partial structure in fig. 7 shown in fig. 8, in the indoor unit of the second embodiment, an opening 71 is formed in the rear scroll 7 along the length direction of the outlet 5, an air inducing assembly 8 is formed in the opening 71, the air inducing assembly 8 has a plurality of air inducing ports, which correspond to the opening 71, and the air inducing ports are also formed along the length direction of the outlet 5, the opening 71 has a first end a close to the outlet 5 and a second end B far from the outlet 5, that is, a straight line of the first end a is a lower edge of the opening 71, a straight line of the second end B is an upper edge of the opening 71, the axial center of the cross-flow fan 3 is C, a line L1 is formed between the first end a and the axial center C, a line L2 is formed between the second end B and the axial center C, and the axial center C is perpendicular to the housing 11, i.e., L3 (in fig. 7, L3 is horizontal line and coincides with L2, and is equal to or less to L2), an included angle of an equal to or less than or equal to or less than 0, which satisfies an angle of 3670 mm, 3670, in the preferred embodiment, 3670, an angle of equal to or less equal to or.
The opening 71 is limited at a proper position of the rear volute 7 by the angle limitation of the included angle α and the included angle β, so that the airflow field at the opening 71 is stable, uneven air outlet is avoided, and the maximization of air guiding quantity is ensured.
Furthermore, in this embodiment, the air inducing assembly 8 includes three air inducing grilles, i.e., a first air inducing grille 81, a second air inducing grille 82 and a third air inducing grille 83. The three air-inducing grilles are sequentially arranged at intervals from bottom to top along the direction of the rear volute casing 7, a first air-inducing opening 84 is formed between the first air-inducing grille 81 and the second air-inducing grille 82, a second air-inducing opening 85 is formed between the second air-inducing grille 82 and the third air-inducing grille 83, and a third air-inducing opening 86 is formed between the third air-inducing grille 83 and the second end B of the opening 71. The strength of the air supply duct 6 formed by the rear volute 7 can be ensured by arranging the air inducing grille; moreover, the distance between the two air inducing grids is convenient to control a plurality of discontinuous air inducing ports, and the uniformity of the induced air in the air supply duct 6 is realized.
As a more preferable embodiment, each of the air inducing grilles adopts a two-stage structure. Specifically, taking the second air inducing grille 82 as an example, the second air inducing grille includes a first portion 821 and a second portion 822. The first portion 821 is located on a profile line of the rear volute 7, and corresponds to a portion of the rear volute 7, and the second portion 822 is bent in a direction away from the air supply duct 6 (in fig. 7, in a direction toward the housing mounting surface 11). Moreover, the included angle γ formed between the second portion 822 and L3 satisfies: gamma is more than or equal to 0 degree and less than or equal to 60 degrees. Two sections of the induced air grids respectively guide and guide the air introduced by the flow guide channel 2, so that the induced air smoothly enters the air supply duct 6 to be mixed.
Also, in this embodiment, three air induction grilles in the air induction assembly 8 are connected in sequence to form an air induction assembly of an integrated structure, and the air induction assembly 8 of the integrated structure is detachably fitted at the opening 71. Therefore, the induced draft assembly 8 can be assembled as an independent component of the indoor unit 100, and is convenient to process, assemble and maintain after sale.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (9)
1. A wall-mounted air conditioner with a flow guide structure comprises an indoor unit, wherein the indoor unit comprises a shell, a cross-flow fan and a heat exchanger are formed in the shell, and a long-strip-shaped air outlet is formed on the shell; the induced draft channel comprises a main flow guide pipe and a plurality of branch flow guide pipes, the main flow guide pipe extends downwards from an air outlet of the induced draft fan and extends from one end of the induced draft port to the other end of the induced draft port along the length direction of the induced draft port, one end, close to the induced draft fan, of the main flow guide pipe is connected with the air outlet of the induced draft fan in a sealing mode, the other opposite end of the main flow guide pipe is sealed, the plurality of branch flow guide pipes are formed on the main flow guide pipe corresponding to the induced draft port at intervals, one end of each branch flow guide pipe is communicated with the main flow guide pipe, and the other opposite end;
a volute opening is formed in the rear volute along the length direction of the air outlet, an air inducing assembly is formed on the volute opening, and a plurality of air inducing ports are formed in the air inducing assembly or formed in the air inducing assembly and the volute opening;
in a cross section perpendicular to the axial line of the cross-flow fan, the volute opening is provided with a first end close to the air outlet and a second end far away from the air outlet, a connecting line L1 is formed between the first end and the axial center of the cross-flow fan, a connecting line L2 is formed between the second end and the axial center of the cross-flow fan, the axial center of the cross-flow fan makes a perpendicular line to the mounting surface of the shell to form L3, an included angle α is formed between L1 and L2 along the direction from L1 to L2 to L3, an included angle β is formed between L2 and L3, the included angle α and the included angle β meet the conditions that α is larger than 0 degree and smaller than 90 degrees, β is larger than 0 degree and smaller than 90 degrees, and the distance H between the first end and the second end of the volute opening meets the conditions that H is larger than 70mm and smaller.
2. The wall-mounted air conditioner according to claim 1, wherein the interval between two adjacent ones of the branched drainage pipes is 30-100 mm.
3. The wall-mounted air conditioner according to claim 1, wherein the branch drain pipe is formed on the main drain pipe obliquely downward in a structure in which one end communicating with the main drain pipe is higher than the other end forming the opening.
4. The wall-mounted air conditioner according to claim 3, wherein the angle at which the branch drain pipe is inclined obliquely downward is in the range of 5 ° to 30 °.
5. The wall-mounted air conditioner according to claim 1, wherein the main duct and the branch duct are hoses.
6. The wall-mounted air conditioner according to claim 1, wherein the air inducing assembly includes a plurality of air inducing grills arranged at intervals in sequence along the direction of the rear scroll, and the air inducing opening is formed between two adjacent air inducing grills.
7. The wall hanging air conditioner according to claim 6, wherein the air inducing grille includes a first portion located on the rear volute profile and a second portion curved away from the supply air duct, the second portion forming an angle γ with the L3, the angle γ satisfying: gamma is more than or equal to 0 degree and less than or equal to 60 degrees.
8. The wall-mounted air conditioner according to claim 6, wherein a plurality of the air inducing grills are connected in sequence to form the air inducing assembly of an integrated structure.
9. The wall hung air conditioner of claim 8, wherein the air induction assembly is removably mounted at the volute opening.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410702740.XA CN105698351B (en) | 2014-11-29 | 2014-11-29 | Wall-mounted air conditioner with drainage structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410702740.XA CN105698351B (en) | 2014-11-29 | 2014-11-29 | Wall-mounted air conditioner with drainage structure |
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| CN105698351A CN105698351A (en) | 2016-06-22 |
| CN105698351B true CN105698351B (en) | 2020-02-21 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108224572B (en) * | 2018-02-14 | 2024-01-26 | 青岛海尔空调器有限总公司 | Indoor hanging machine of air conditioner |
| CN108302626B (en) * | 2018-02-14 | 2024-01-26 | 青岛海尔空调器有限总公司 | Indoor hanging machine of air conditioner |
| CN108361838B (en) * | 2018-02-14 | 2023-12-22 | 青岛海尔空调器有限总公司 | Indoor hanging machine of air conditioner |
| CN108361839B (en) * | 2018-02-14 | 2024-05-28 | 青岛海尔空调器有限总公司 | Indoor hanging machine of air conditioner |
| CN108397827A (en) * | 2018-03-12 | 2018-08-14 | 青岛海尔空调器有限总公司 | Wall-hanging indoor unit of air conditioner |
| CN108679707A (en) * | 2018-03-12 | 2018-10-19 | 青岛海尔空调器有限总公司 | Wall-hanging indoor unit of air conditioner |
| CN109780635B (en) * | 2019-03-26 | 2024-03-08 | 广东美的制冷设备有限公司 | Air conditioner |
| CN114076353A (en) * | 2020-08-19 | 2022-02-22 | 青岛海尔空调器有限总公司 | Wall-mounted air conditioner indoor unit |
| CN114811926A (en) * | 2022-06-02 | 2022-07-29 | 珠海格力电器股份有限公司 | Flow guide structure and air conditioner indoor unit with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0875186A (en) * | 1994-09-05 | 1996-03-19 | Toshiharu Fujimi | Cooler |
| JP2001090974A (en) * | 1999-09-20 | 2001-04-03 | Fujitsu General Ltd | Air-conditioner |
| CN102589079B (en) * | 2012-03-14 | 2013-11-13 | 四川汇源吉迅数码科技有限公司 | Air supply device and machine room with same |
| CN102788410A (en) * | 2012-08-16 | 2012-11-21 | 温州市创力电子有限公司 | Accurate air supply energy saving system of machine room |
| CN203615557U (en) * | 2013-10-23 | 2014-05-28 | 华电电力科学研究院 | Variable-air-volume device |
| CN203848403U (en) * | 2014-03-15 | 2014-09-24 | 珠海格力电器股份有限公司 | Air conditioner |
| CN203857564U (en) * | 2014-04-21 | 2014-10-01 | 美的集团股份有限公司 | Air conditioner indoor unit |
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Effective date of registration: 20200914 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Co-patentee after: Qingdao Haier Parts Co.,Ltd. Patentee after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. |
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Effective date of registration: 20201102 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Patentee after: Qingdao Haier Parts Co.,Ltd. Patentee after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Patentee before: Qingdao Haier Parts Co.,Ltd. |