CN209877134U - Air supply assembly and cabinet air conditioner indoor unit with same - Google Patents
Air supply assembly and cabinet air conditioner indoor unit with same Download PDFInfo
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- CN209877134U CN209877134U CN201920175494.5U CN201920175494U CN209877134U CN 209877134 U CN209877134 U CN 209877134U CN 201920175494 U CN201920175494 U CN 201920175494U CN 209877134 U CN209877134 U CN 209877134U
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Abstract
The utility model provides an air supply assembly. The air supply assembly comprises a centrifugal fan and an air duct main body. The centrifugal fan comprises a volute and an impeller arranged in the volute. The air duct main body is formed with an air duct portion, and centrifugal fan sets up in the air duct portion. The air channel portion is formed with at least one airflow inlet and one airflow outlet, and the centrifugal fan is configured to draw air from the airflow inlet and urge the air to flow toward the airflow outlet. The utility model discloses a wind channel holds and supports centrifugal fan, compares in the technical scheme in prior art fixed centrifugal fan and water conservancy diversion wind channel respectively, and the manufacturing is simple and easy, and production efficiency is high, with low costs. Particularly, under the condition that the air supply assembly comprises a plurality of centrifugal fans, error superposition caused by splicing of a plurality of components can be avoided. The utility model also provides an indoor unit of cabinet air conditioner.
Description
Technical Field
The utility model relates to an air conditioning field especially relates to an air supply subassembly and have cabinet air conditioner indoor set of this air supply subassembly.
Background
In the existing cabinet air-conditioning indoor unit, the centrifugal fan is usually directly fixed on the frame of the unit body to form an air duct cavity with the unit casing or to guide the air flow to the air outlet by communicating with the air guide duct. The first scheme is simple to install, can only realize unidirectional air supply, and easily causes condensation on the outer wall of the shell because cold airflow directly acts on the shell. The second scheme accessible adds centrifugal fan and water conservancy diversion wind channel and realizes the air supply of a plurality of directions, but the production assembly is complicated, and a plurality of part concatenations can make the error stack, difficult maintenance.
In view of the above, it is desirable to provide an air supply assembly with simple assembly and high accuracy and a cabinet type air conditioner indoor unit having the same.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air supply assembly that produces simply, with low costs.
The utility model discloses a further purpose of first aspect is to improve the stability of air supply subassembly.
The utility model discloses another further purpose of first aspect is convenient for centrifugal fan's installation dismantlement.
An object of the second aspect of the present invention is to provide a cabinet air conditioner indoor unit having the air supply assembly.
According to the utility model discloses an aspect provides an air supply assembly, include:
a centrifugal fan comprising a volute and an impeller disposed within the volute; characterized in that, the air supply subassembly still includes:
the centrifugal fan is arranged in the air duct part; wherein
The air channel portion is formed with at least one airflow inlet and one airflow outlet, and the centrifugal fan is configured to draw air from the airflow inlet and urge the air to flow toward the airflow outlet.
Optionally, the air duct portion includes:
the inner wall of the accommodating section is matched with the outer wall of the volute in a shape so as to accommodate and support the centrifugal fan; and
the air guide section is communicated with the accommodating section, and the inner wall of the air guide section is in smooth transition connection with a volute air channel of the centrifugal fan; wherein
The number of the air inlets of the volute and the number of the airflow inlets are two, and the air inlets of the volute are exposed out of the airflow inlets; and is
The air outlet is an air outlet of the air guide section.
Optionally, the air duct portion further forms a mounting and dismounting opening for mounting and dismounting the centrifugal fan; and is
The dismounting opening is formed at a position of the accommodating section close to the outlet section of the volute, so that the air duct portion has sufficient strength while the centrifugal fan is dismounted conveniently.
Optionally, the accommodating section is provided with at least one bayonet, and the bayonet is arranged to penetrate through the accommodating section along the assembling and disassembling direction of the centrifugal fan; and is
The volute correspondingly is provided with at least one buckle, and the at least one buckle is arranged to be respectively clamped with the at least one bayonet so as to facilitate the installation and the positioning of the centrifugal fan.
Optionally, a plurality of step grooves are formed at the transverse periphery of the dismounting opening; and is
The volute is correspondingly provided with a plurality of connecting bulges which are respectively and fixedly connected with the bottom walls of the step grooves; wherein
The plurality of step grooves are mirror-symmetrical about a central plane of the centrifugal fan.
Optionally, the duct body is formed by splicing two duct half-shells along an imaginary plane perpendicular to the axis of rotation of the impeller.
Optionally, one half shell in wind channel is formed with a plurality of reference columns, and another half shell in wind channel is formed with a plurality of locating holes correspondingly, a plurality of reference columns set up to respectively with a plurality of locating hole joint, so that half shell assembly in two wind channels.
Optionally, the volute is formed with a mounting and dismounting handle to facilitate mounting and dismounting of the centrifugal fan.
Optionally, the air supply assembly further comprises:
and the gasket is arranged between the volute and the air duct part to prevent condensation and reduce vibration.
According to the utility model discloses a second aspect provides an air conditioning indoor unit, a serial communication port, include:
a housing; forming a case air inlet and a case air outlet;
the air supply assembly as claimed in any one of the above claims, configured to draw in ambient air from the environment surrounding the cabinet air inlet and to cause the air to flow towards the cabinet air outlet; and
and the indoor heat exchanger is arranged on an air inlet flow path between the air inlet of the shell and the air supply assembly.
The utility model discloses a wind channel holds and supports centrifugal fan, compares in the technical scheme in prior art fixed centrifugal fan and water conservancy diversion wind channel respectively, and the manufacturing is simple and easy, and production efficiency is high, with low costs. Particularly, under the condition that the air supply assembly comprises a plurality of centrifugal fans, error superposition caused by splicing of a plurality of components can be avoided.
Further, the utility model discloses the dismouting opening is seted up in the position department that the wind channel main part corresponds centrifugal fan's spiral case outlet section, the dismouting centrifugal fan of not only being convenient for, still make the wind channel main part have great structural strength, and then make its air supply subassembly that forms jointly with centrifugal fan have higher stability.
Further, the utility model discloses earlier through the buckle joint of the bayonet socket that the dismouting direction along centrifugal fan of wind channel main part runs through the holding section and the centrifugal fan spiral case, the protruding fastening connection of being connected of the step groove at the horizontal periphery of rethread dismouting open-ended and centrifugal fan spiral case has realized centrifugal fan's quick location installation, and not only reliable stable still the centrifugal fan's of being convenient for dismantlement maintenance.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic cross-sectional view of a cabinet air conditioner indoor unit according to an embodiment of the present invention;
FIG. 2 is a schematic exploded view of the blower assembly of FIG. 1;
FIG. 3 is a schematic side view of the blower assembly of FIG. 1 as viewed from the rear to the front;
FIG. 4 is a schematic enlarged view of region A in FIG. 3;
FIG. 5 is a schematic exploded view of the airway body of FIG. 2;
FIG. 6 is a schematic enlarged view of region B in FIG. 5;
fig. 7 is a schematic cross-sectional view of the air guide member of fig. 1, wherein the air-out frame is in an open position;
fig. 8 is a schematic sectional view of the air guide member of fig. 1, in which the outlet frame is in a closed position.
Detailed Description
Fig. 1 is a schematic cross-sectional view of a cabinet type air conditioning indoor unit 100 according to an embodiment of the present invention. Referring to fig. 1, the cabinet air conditioner indoor unit 100 may include a cabinet 110, an air supply assembly disposed in the cabinet 110, and an indoor heat exchanger 150 disposed on an air inlet flow path of the air supply assembly.
The housing 110 may be defined by a base and a body disposed on the base, and the body may include a front panel, a guide extension plate 115, two lateral side plates, and a rear back plate. Wherein the back panel forms a housing air inlet. The airflow guiding extension plate 115 is disposed below the front panel, and a lower air outlet 116 of the casing 110 is defined by a top end of the airflow guiding extension plate 115 and a bottom end of the front panel. The upper air outlet can be enclosed by the front panel, the two transverse side plates and the rear back plate.
The air supply assembly, which is used to suck ambient air from the surrounding environment of the air inlet of the housing and to promote the air to flow to the upper air outlet and the lower air outlet 116, includes a centrifugal fan 121 and a centrifugal fan 122 spaced apart in the vertical direction, and an air duct main body 130 for accommodating and supporting the centrifugal fan 121 and the centrifugal fan 122.
Fig. 2 is a schematic exploded view of the air supply assembly of fig. 1. Referring to fig. 2, the duct main body 130 may be formed with a duct portion 131 and a duct portion 132 which are isolated from each other and extend in opposite directions, and the centrifugal fan 121 and the centrifugal fan 122 may be disposed in the duct portion 131 and the duct portion 132, respectively. Each air channel portion may be formed with at least one airflow inlet and one airflow outlet, and the centrifugal fan disposed therein may be configured to draw air from the airflow inlet and urge the air toward the airflow outlet.
Specifically, the air duct portion 131 may include a receiving section 1311 configured to match an outer wall of the volute of the centrifugal fan 121, and a flow guiding section 1312 extending upward from an air outlet of the centrifugal fan 121. The centrifugal fan 121 is disposed in the accommodating section 1311. The top end of the flow guiding section 1312 is formed with an air flow outlet.
The air channel portion 132 may include a receiving section 1321 configured to form a volute outer wall of the centrifugal fan 122 and a flow guiding section 1322 extending downward from an air outlet of the centrifugal fan 122. The centrifugal fan 122 is disposed in the accommodating section 1321. The bottom end of the guide section 1322 is formed with an air outlet.
The centrifugal fans 121 and 122 can be both transversely arranged, and two transverse side walls of each centrifugal fan are respectively provided with a fan air inlet so as to increase the air inlet volume of the centrifugal fans 121 and 122. Correspondingly, two lateral side walls of the accommodating section 1311 and the accommodating section 1321 are formed with an airflow inlet to expose the fan inlets of the centrifugal fans 121 and 122.
The flow guiding sections 1312 and 1322 may be disposed to be in smooth transition connection with the volute air ducts of the centrifugal fans 121 and 122, respectively, to improve the smoothness of the airflow.
The utility model discloses a cabinet air conditioner indoor unit 100 holds and supports two centrifugal fan through integral wind channel structure, compares in the technical scheme in prior art fixed centrifugal fan and water conservancy diversion wind channel respectively, and not only manufacturing is simple and easy, and production efficiency is high, with low costs, still can avoid the error stack that a plurality of parts concatenation caused, and stable in structure is reliable.
In some embodiments, the housing section 1311 and the housing section 1321 may be formed with a mounting and dismounting opening for mounting and dismounting the centrifugal fan 121 and the centrifugal fan 122, respectively.
The mounting and dismounting opening may be formed at a position of the receiving section near the volute outlet section of the corresponding centrifugal fan, so as to provide sufficient strength to the duct main body 130 while facilitating mounting and dismounting of the centrifugal fan.
The volute outlet sections of the centrifugal fans 121 and 122 may be respectively formed with a detachable handle 123 to facilitate the detachment of the centrifugal fans 121 and 122.
As is well known to those skilled in the art, the volute peripheral wall of a centrifugal fan is composed of a volute section which is gradually enlarged relative to the outer contour of an impeller of the volute section, and a volute tongue section and an outlet section which respectively extend from two ends of the volute section. And a fan air outlet of the centrifugal fan is formed between the volute tongue section and the outlet section.
FIG. 3 is a schematic side view of the blower assembly of FIG. 1 as viewed from the rear to the front; fig. 4 is a schematic enlarged view of the region a in fig. 3. Referring to fig. 3 and 4, each accommodating section is provided with at least one bayonet 136, and the bayonet 136 can be arranged to penetrate through the accommodating section along the dismounting direction of the corresponding centrifugal fan. The volute of the centrifugal fan may be correspondingly formed with at least one clip 126, and the at least one clip 126 may be configured to be respectively clipped with the at least one bayonet 136 so as to facilitate the installation and positioning of the centrifugal fan.
Referring to fig. 2, a plurality of step grooves 135 may be formed at the lateral periphery of each of the disassembly and assembly openings. The volute of the centrifugal fan may be correspondingly formed with a plurality of connection protrusions 125, and the plurality of connection protrusions 125 may be disposed to be respectively fastened to the bottom walls of the plurality of step grooves 135, so as to improve stability of the centrifugal fan and facilitate maintenance of the centrifugal fan.
The plurality of step grooves 135 may be provided in mirror symmetry with respect to a central plane of the corresponding centrifugal fan to further improve stability of the centrifugal fan.
The duct main body 130 may further include a connection part 133 disposed between and connecting the duct part 131 and the duct part 132. The transverse dimension of the connecting portion 133 may be set to gradually decrease from near to far with respect to the attachment/detachment opening, so that the air supply assembly is stable and reliable, and cost is saved.
The air supply assembly may further include two sheet metal parts 134 extending in the vertical direction and connecting the air duct portion 131 and the air duct portion 132. The two sheet metal parts 134 are respectively disposed on two lateral sides of the air duct portion 131 and the air duct portion 132 and are far away from the dismounting opening.
In some embodiments, the outer wall of the volute of the centrifugal fan may be spaced from the inner wall of the containment section to form an air isolation zone to prevent condensation on the outer wall of the containment section. In other embodiments, the air delivery assembly may also include two liners. Each gasket is arranged between one centrifugal fan and the air duct part corresponding to the centrifugal fan so as to prevent condensation and reduce vibration. The liner can be attached to the outer wall of the volute of the centrifugal fan in advance.
FIG. 5 is a schematic exploded view of the airway body 130 of FIG. 2; fig. 6 is a schematic enlarged view of the region B in fig. 5. Referring to fig. 5 and 6, in some embodiments, the duct body 130 may be formed by splicing together the duct half-shell 130a and the duct half-shell 130b along a vertical plane extending in a front-to-rear direction. The splicing plane is preferably the central symmetry plane of the centrifugal fan.
The duct half-shell 130a and the duct half-shell 130b may be formed with a plurality of coupling through-holes 139, respectively, and each fastener is provided to fixedly connect the duct half-shell 130a and the duct half-shell 130b through the coupling through-hole 139 of one duct half-shell 130a and the coupling through-hole 139 of one duct half-shell 130b in the lateral direction.
The duct half-shell 130a may be formed with a plurality of positioning posts 137. The duct half-shell 130b may be correspondingly formed with a plurality of positioning holes 138, and the positioning posts 137 may be respectively engaged with the positioning holes 138, so as to facilitate the installation and positioning of the duct half-shell 130a and the duct half-shell 130 b. The cross section of the positioning column 137 located in the flow guiding section may be a perfect circle, and the corresponding positioning hole 138 may be a rectangular circular hole extending parallel to the flow guiding section.
In the illustrated embodiment, two positioning pillars 137 are respectively distributed at positions of the duct half-shell 130a corresponding to the flow guide section 1312, the connecting portion 133 and the flow guide section 1322, and at least one fastener is disposed on each of the upper and lower sides of each positioning pillar 137.
Referring to fig. 1, in some embodiments, the cabinet air-conditioning indoor unit 100 may further include a wind guide member 200 and a wind guide member 140. The air guide member 200 and the air guide member 140 are disposed above and below the air blowing assembly, respectively.
The wind guide member 200 is communicated with the flow guide section 1312, and forms a flow guide duct together with the flow guide section 1312 for guiding the airflow blown out by the centrifugal fan 121 to the indoor environment through the upper air outlet. The air guiding member 140 may be communicated with the air guiding section 1322, and together with the air guiding section 1322, forms an air guiding duct for guiding the airflow blown out by the centrifugal fan 122 to the indoor environment through the lower air outlet 116.
Particularly, the volute outlet sections of the centrifugal fans 121 and 122 are located at the front sides of the volute tongue sections, and the guide air ducts of the centrifugal fans 121 and 122 may be integrally protruded backwards, so that the air flow can be smoothly flowed, and the air flow can be sufficiently mixed in the guide air ducts, thereby improving the uniformity of the flow rate of the air flow.
Fig. 7 is a schematic cross-sectional view of the air guide member of fig. 1, wherein the air-out frame is in an open position; fig. 8 is a schematic sectional view of the air guide member of fig. 1, in which the outlet frame is in a closed position. Referring to fig. 7 and 8, the wind guide member 200 may include a housing 210 having a bottom wall and a top wall respectively provided with an air inlet 2111 and an air outlet 2112, a communicating duct 230 fixed in the housing 210 and having an air inlet in butt joint with the air inlet 2111, an air outlet frame 220, and a driving device for driving the air outlet frame 220 to rotate between an open position and a closed position. Wherein the air inlet opening 2111 of the housing 210 may be arranged to interface with the air flow outlet of the air channel portion 131.
The air-out frame 220 can be configured to cover the air outlet of the communicating air duct 230 in the air duct, when the air-out frame 220 moves to the open position, the air outlet thereof is exposed above the casing 110 through the air-out opening 2112 and the upper opening, and forms a continuous air-guiding duct together with the air-guiding section 1312 and the communicating air duct 230, so as to guide the airflow forwards; when the air outlet frame 220 moves to the closed position, it is completely located in the housing 210 to lower the center of gravity of the whole air conditioner when the air conditioner is not in operation.
The air-out frame 220 can be configured to rotate around a pivot shaft located at the rear side of the air duct, so as to increase the rotation radius of the air duct of the air-out frame around the pivot shaft, thereby reducing the gap between the air-out frame 220 and the communication air duct 230 when the air-out frame is at the open position, and further reducing the overall size of the air guide member 200.
The communicating air duct 230 may be disposed to extend from bottom to top and to front to further reduce a gap between the air outlet frame 220 and the communicating air duct 230 when in the open position.
The wind guide member 200 may further include a top cover fixedly connected to the air-out frame 220, and the top cover may be configured to close the upper opening of the cabinet 110 when the air-out frame 220 is in the closed position, so as to prevent dust from falling.
The air outlet of the air-out frame 220 may be provided with a horizontal swing blade group 223 and a vertical swing blade group 224 for adjusting the flow direction of the air flow in the vertical direction and the lateral direction, respectively. Wherein the yaw blade group 223 may be disposed at the front side of the vertical swing blade group 224.
In some embodiments, the driving device may include a gear, a motor 242 in driving connection with the gear, a mounting box 243 for fixing the motor 242, and a limiting member 222 fixedly connected with the air-out frame 220. The limiting member 222 may be formed with an arc-shaped rack gear for engaging with the gear for defining a movement path of the wind frame 220.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. An air delivery assembly comprising:
a centrifugal fan comprising a volute and an impeller disposed within the volute; characterized in that, the air supply subassembly still includes:
the centrifugal fan is arranged in the air duct part; wherein
The air channel portion is formed with at least one airflow inlet and one airflow outlet, and the centrifugal fan is configured to draw air from the airflow inlet and urge the air to flow toward the airflow outlet.
2. The air supply assembly of claim 1, wherein the air duct portion includes:
the inner wall of the accommodating section is matched with the outer wall of the volute in a shape so as to accommodate and support the centrifugal fan; and
the air guide section is communicated with the accommodating section, and the inner wall of the air guide section is in smooth transition connection with a volute air channel of the centrifugal fan; wherein
The number of the air inlets of the volute and the number of the airflow inlets are two, and the air inlets of the volute are exposed out of the airflow inlets; and is
The air outlet is an air outlet of the air guide section.
3. An air supply assembly as recited in claim 2,
the air duct part is also provided with a dismounting opening for dismounting the centrifugal fan; and is
The dismounting opening is formed at a position of the accommodating section close to the outlet section of the volute, so that the air duct portion has sufficient strength while the centrifugal fan is dismounted conveniently.
4. An air supply assembly as recited in claim 3,
the accommodating section is provided with at least one bayonet which is arranged to penetrate through the accommodating section along the assembling and disassembling direction of the centrifugal fan; and is
The volute correspondingly is provided with at least one buckle, and the at least one buckle is arranged to be respectively clamped with the at least one bayonet so as to facilitate the installation and the positioning of the centrifugal fan.
5. An air supply assembly as recited in claim 3,
a plurality of step grooves are formed at the transverse periphery of the dismounting opening; and is
The volute is correspondingly provided with a plurality of connecting bulges which are respectively and fixedly connected with the bottom walls of the step grooves; wherein
The plurality of step grooves are mirror-symmetrical about a central plane of the centrifugal fan.
6. An air supply assembly as recited in any of claims 2-5,
the air duct main body is formed by splicing two air duct half shells along an imaginary plane vertical to the rotation axis of the impeller.
7. An air supply assembly as recited in claim 6,
one half shell in wind channel is formed with a plurality of reference columns, and another half shell in wind channel is formed with a plurality of locating holes correspondingly, a plurality of reference columns set up to respectively with a plurality of locating hole joint, so that half shell assembly in two wind channels.
8. An air supply assembly as recited in claim 1,
the volute is formed with a disassembly and assembly handle so as to facilitate disassembly and assembly of the centrifugal fan.
9. An air supply assembly as recited in claim 1, further comprising:
and the gasket is arranged between the volute and the air duct part to prevent condensation and reduce vibration.
10. An indoor unit of an air conditioner, comprising:
a housing; forming a case air inlet and a case air outlet;
the air delivery assembly of any of claims 1-9, configured to draw ambient air from an environment surrounding the cabinet air inlet and to urge air toward the cabinet air outlet; and
and the indoor heat exchanger is arranged on an air inlet flow path between the air inlet of the shell and the air supply assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920175494.5U CN209877134U (en) | 2019-01-31 | 2019-01-31 | Air supply assembly and cabinet air conditioner indoor unit with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920175494.5U CN209877134U (en) | 2019-01-31 | 2019-01-31 | Air supply assembly and cabinet air conditioner indoor unit with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209877134U true CN209877134U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920175494.5U Active CN209877134U (en) | 2019-01-31 | 2019-01-31 | Air supply assembly and cabinet air conditioner indoor unit with same |
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| CN (1) | CN209877134U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020156244A1 (en) * | 2019-01-31 | 2020-08-06 | 青岛海尔空调器有限总公司 | Cabinet indoor air conditioning unit |
| WO2020156281A1 (en) * | 2019-01-31 | 2020-08-06 | 青岛海尔空调器有限总公司 | Floor-standing indoor air conditioner unit |
| WO2020156248A1 (en) * | 2019-01-31 | 2020-08-06 | 青岛海尔空调器有限总公司 | Cabinet air-conditioner indoor unit |
-
2019
- 2019-01-31 CN CN201920175494.5U patent/CN209877134U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020156244A1 (en) * | 2019-01-31 | 2020-08-06 | 青岛海尔空调器有限总公司 | Cabinet indoor air conditioning unit |
| WO2020156281A1 (en) * | 2019-01-31 | 2020-08-06 | 青岛海尔空调器有限总公司 | Floor-standing indoor air conditioner unit |
| WO2020156248A1 (en) * | 2019-01-31 | 2020-08-06 | 青岛海尔空调器有限总公司 | Cabinet air-conditioner indoor unit |
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