CN210463269U - Wall-mounted air conditioner indoor unit - Google Patents
Wall-mounted air conditioner indoor unit Download PDFInfo
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- CN210463269U CN210463269U CN201921279397.7U CN201921279397U CN210463269U CN 210463269 U CN210463269 U CN 210463269U CN 201921279397 U CN201921279397 U CN 201921279397U CN 210463269 U CN210463269 U CN 210463269U
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Abstract
The utility model provides a wall-mounted air conditioner indoor unit. The method comprises the following steps: the air conditioner comprises a shell, a first air inlet is arranged on the rear side of the upper part of the shell, a first air outlet is arranged on the front side of the upper part of the shell, a second air inlet is arranged on the rear side of the lower part of the shell, and a second air outlet is arranged on the front side of the lower part of the shell; the first through flow fan is configured to promote airflow to enter the shell from the first air inlet and flow out of the shell from the first air outlet; the second cross-flow fan is arranged at the lower side of the first cross-flow fan and is configured to promote airflow to enter the shell from the second air inlet and flow out of the shell from the second air outlet; the first heat exchanger is arranged between the first through flow fan and the first air inlet; and the second heat exchanger is arranged between the second cross-flow fan and the second air inlet. The air can be discharged in two directions up and down, so that the air is prevented from blowing people directly, and the air supply angle is increased; the air supply experience is remarkably improved. And the two cross-flow fans can greatly reduce noise, improve product performance and improve air supply comfort.
Description
Technical Field
The utility model relates to an air conditioner field, in particular to wall-mounted air conditioner indoor unit.
Background
In the wall-mounted air conditioner indoor unit in the current market, a fan system generally comprises a cross-flow fan and an air outlet, namely, the fan system is a single cross-flow fan for unidirectional air supply. The air outlet direction is the front lower side, and although there is the refrigeration and heating air outlet angle, because of structural restriction, the air outlet is about 15 ~ 30 ℃ below one side during refrigeration, and the air outlet is about 50 ~ 65 ℃ below one side during heating, can not really avoid people to there is great resistance loss. Moreover, under the limits of the performance index, the noise value approaches the limit. That is, the wall-mounted type air conditioning indoor unit may have the following problems: the air supply angle is small, and the phenomenon that air is directly blown to people is not effectively solved; the air supply noise is high.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made to provide a wall-mounted air conditioning indoor unit that overcomes or at least partially solves the above problems.
The utility model provides a wall-mounted air conditioner indoor unit, it includes:
the air conditioner comprises a shell, wherein a first air inlet is formed in the rear side of the upper part of the shell, a first air outlet is formed in the front side of the upper part of the shell, a second air inlet is formed in the rear side of the lower part of the shell, and a second air outlet is formed in the front side of the lower part of the shell;
the first through flow fan is arranged in the shell, and a wind wheel of the first through flow fan extends along the horizontal transverse direction; the first cross flow fan is configured to promote airflow into the housing from the first air inlet and out of the housing from the first air outlet;
the second cross flow fan is arranged in the shell and is positioned at the lower side of the first cross flow fan; the wind wheel of the second cross flow fan extends along the horizontal transverse direction; the second crossflow blower is configured to urge airflow into the housing from the second air inlet and out of the housing from the second air outlet;
the first heat exchanger is arranged between the first through flow fan and the first air inlet; and
and the second heat exchanger is arranged between the second cross-flow fan and the second air inlet.
Optionally, the first air outlet is disposed on a top wall of the housing, and the second air outlet is disposed on a bottom wall of the housing; or
The first air outlet and the second air outlet are both arranged on the front wall of the shell; or
The first air outlet is arranged on the front wall of the shell; and part of the second air outlet is arranged on the bottom wall of the shell, and the rest part of the second air outlet is arranged on the front wall of the shell, so that part or all of the second air outlet is positioned at the intersection of the front wall of the shell and the bottom wall of the shell.
Optionally, the first heat exchanger includes a first section and a second section, the first section is disposed at the rear of the first crossflow blower, and the second section is disposed at the upper side of the first crossflow blower.
Optionally, the second heat exchanger comprises a third section disposed aft of the second crossflow blower and a fourth section disposed on an underside of the second crossflow blower.
Optionally, the wall-mounted air conditioner indoor unit further includes a partition disposed between the first heat exchanger and the second heat exchanger.
Optionally, the volute of the first crossflow blower is adjacent to the second crossflow blower;
the volute of the second crossflow blower is adjacent to the first crossflow blower.
Optionally, the volute and the volute tongue of the first through flow fan are mounted on the housing, or are integrally formed with a part of the structure of the housing;
the volute and the volute tongue of the second cross-flow fan are mounted on the shell or integrally formed with part of the structure of the shell.
Optionally, the wall-mounted air conditioning indoor unit further includes:
the first fan motor is connected with one end of the wind wheel of the first through flow fan and used for driving the wind wheel of the first through flow fan to rotate; and
the second fan motor is connected with one end of the wind wheel of the second cross flow fan and used for driving the wind wheel of the second cross flow fan to rotate; wherein
The first fan motor and the second fan motor are separately turned on or simultaneously turned on.
Optionally, the wall-mounted air conditioning indoor unit further includes:
the first air guiding device is arranged at the first air outlet;
and the second air guiding device is arranged at the second air outlet.
Optionally, the first air inlet and the second air inlet are vertically symmetrical; the first heat exchanger and the second heat exchanger are vertically symmetrical.
The utility model provides a wall-mounted air conditioner indoor unit, which is provided with two groups of air supply systems, each group of air supply system comprises a heat exchanger, a cross-flow fan and an air outlet, which can realize two-way air outlet from top to bottom, avoid air outlet from blowing directly to people and increase the air supply angle; if the air supply device can realize upward blowing of cold air, shower type air supply, downward blowing of hot air and carpet type air supply, the air supply experience is obviously improved. And the two cross-flow fans can greatly reduce noise, for example, the noise can be reduced by more than 5 decibels, the product performance is improved, and the air supply comfort level is improved.
Further, when a cross-flow fan of a certain air supply system is started, the corresponding heat exchanger is started to start heat exchange. And when the cross flow fan is closed, the corresponding heat exchanger is closed, and heat exchange is stopped. The cross-flow fan is provided with two heat exchangers which are independently controlled, and the cross-flow fan is opened or closed according to the running state of the cross-flow fan, so that the best heat exchange effect can be achieved, and the energy-saving effect is obvious.
Further, when the difference between the set temperature of the air conditioner and the room temperature is large, the two groups of air supply systems are started at the same time (at the same rotating speed or different rotating speeds), and the temperature is adjusted rapidly; when the difference between the set temperature of the air conditioner and the room temperature is small, a group of fans is turned off or the air conditioner runs at an extremely low rotating speed, so that cold air can be only sent out from the upper air outlet, and hot air can be only sent out from the lower air outlet. Namely, two groups of independent evaporators are matched with two groups of air supply systems, and can be independently opened or closed, so that energy is saved.
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 wall-mounted air conditioner indoor unit according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention.
Detailed Description
The present embodiment first provides a wall-mounted air conditioning indoor unit, as shown in fig. 1, in which arrows indicate flow paths of air flows. This machine in air conditioning includes: the cross-flow fan comprises a shell 100, a first cross-flow fan 200, a second cross-flow fan 300, a first heat exchanger 410, a second heat exchanger 420, a first air guiding device 510 and a second air guiding device 520.
The cross section of the wall-mounted air conditioner indoor unit is approximately rectangular. The upper rear side of the housing 100 is provided with a first air inlet 101, the upper front side is provided with a first air outlet 102, the lower rear side is provided with a second air inlet 103, and the lower front side is provided with a second air outlet 104. The first intake vent 101, the second intake vent 103, the first outlet vent 102, and the second outlet vent 104 may extend in a horizontal transverse direction. An air inlet grille can be arranged at the air inlet.
The first through flow fan 200 is arranged in the shell 100, and a wind wheel 201 of the first through flow fan 200 extends along the horizontal transverse direction; the first cross flow fan 200 is configured to promote airflow into the housing 100 from the first inlet 101 and out of the housing 100 from the first outlet 102. The second crossflow blower 300 is disposed in the casing 100 at a lower side of the first crossflow blower 200; the wind wheel 301 of the second crossflow blower 300 extends in a horizontal transverse direction; the second crossflow blower 300 is configured to induce airflow into the housing 100 from the second air inlet 103 and out of the housing 100 from the second air outlet 104. The first heat exchanger 410 may be disposed between the first induced draft fan 200 and the first air inlet 101. The second heat exchanger 420 may be disposed between the second crossflow blower 300 and the second air intake 103. Thus, an upper and a lower independent air supply systems can be formed. The size and the length of the wind wheel 201 of the first cross flow fan 200 are the same as those of the wind wheel 301 of the second cross flow fan 300, and the length of the wind wheel of the cross flow fan is matched with the lengths of the two air outlets.
The indoor unit is provided with two groups of air supply systems, each group of air supply system comprises a heat exchanger, a cross-flow fan and an air outlet, so that up-and-down bidirectional air outlet can be realized, air outlet direct blowing is avoided, and the air supply angle is increased; if the air supply device can realize upward blowing of cold air, shower type air supply, downward blowing of hot air and carpet type air supply, the air supply experience is obviously improved. And the two cross-flow fans can greatly reduce noise, for example, the noise can be reduced by more than 5 decibels, the product performance is improved, and the air supply comfort level is improved. Further, when a cross-flow fan of a certain air supply system is started, the corresponding heat exchanger is started to start heat exchange. And when the cross flow fan is closed, the corresponding heat exchanger is closed, and heat exchange is stopped. The cross-flow fan is provided with two heat exchangers which are independently controlled, and the cross-flow fan is opened or closed according to the running state of the cross-flow fan, so that the best heat exchange effect can be achieved, and the energy-saving effect is obvious. For example, when the difference between the set temperature of the air conditioner and the room temperature is large, two groups of air supply systems are started at the same time (at the same rotating speed or different rotating speeds), and the temperature is adjusted rapidly; when the difference between the set temperature of the air conditioner and the room temperature is small, a group of fans is turned off or the air conditioner runs at an extremely low rotating speed, so that cold air can be only sent out from the upper air outlet, and hot air can be only sent out from the lower air outlet. Namely, two groups of independent evaporators are matched with two groups of air supply systems, and can be independently opened or closed, so that energy is saved.
In some embodiments of the present invention, as shown in fig. 1, the first air outlet 102 is disposed on the top wall of the casing 100, and the second air outlet 104 is disposed on the bottom wall of the casing 100. In other embodiments, as shown in fig. 2, the first outlet 102 and the second outlet 104 are both disposed on the front wall of the housing 100. In still other embodiments, as shown in fig. 3, the first air outlet 102 is disposed on the front wall of the housing 100; part of the second air outlet 104 is disposed on the bottom wall of the casing 100, and the rest of the second air outlet 104 is disposed on the front wall of the casing 100, so that part or all of the second air outlet 104 is located at the intersection of the front wall of the casing 100 and the bottom wall of the casing 100. The first outlet 102 and the second outlet 104 may have various layout structures to meet various requirements of the wall-mounted air conditioner indoor unit, such as installation height, installation position, and use place.
The volute 202 of the first crossflow blower 200 is adjacent to the second crossflow blower 300; the volute 302 of the second crossflow blower 300 is adjacent to the first crossflow blower 200. That is, the first crossflow blower 200 and the second crossflow blower 300 may be disposed in a back-to-back manner, and the air inlet and outlet may be smoother in combination with the position of the air inlet. Optionally, for convenience of manufacturing, the volute and the volute tongue of the first through flow fan 200 are mounted to the housing 100, or are integrally formed with a part of the housing 100. The volute and the volute tongue of the second crossflow blower 300 are mounted to the casing 100 or are integrally formed with a partial structure of the casing 100.
In some embodiments of the present invention, a partition 600 is provided between two heat exchangers, the partition 600 is located in the middle of the upper and lower positions inside the indoor unit, and the area corresponds to the air inlet low wind speed area of two cross flow fans. The indoor unit of this embodiment avoids laying the heat exchanger in the air inlet low-speed district to heat exchange efficiency has been improved. Preferably, the partition 600 has a structure gradually widening from front to back along the indoor unit, and the structure allows the airflow at the rear of the indoor unit to enter the air inlet along a certain inclination angle, which is beneficial to converging the intake airflow to the cross flow fan.
In some embodiments of the present invention, the first heat exchanger 410 includes a first section 411 and a second section 412, the first section 411 is disposed at the rear portion of the first axial fan 200, and the second section 412 is disposed at the upper side of the first axial fan 200. The second heat exchanger 420 is vertically symmetrical to the first heat exchanger 410, and includes a third section 421 and a fourth section 422, the third section 421 is disposed at the rear of the second crossflow blower 300, and the fourth section 422 is disposed at the lower side of the second crossflow blower 300. The indoor unit of the embodiment increases the area of the heat exchanger on the two side faces (namely, a high-wind-speed area) of the cross-flow fan, thereby improving the heat exchange efficiency of the heat exchanger and the air inlet flow.
In some embodiments of the present invention, the wall-mounted air conditioner indoor unit further includes: a first fan motor and a second fan motor. The first fan motor is connected to one end of the wind wheel 201 of the first through-flow fan 200, and is configured to drive the wind wheel 201 of the first through-flow fan 200 to rotate. The second fan motor is connected with one end of the wind wheel 301 of the second crossflow blower 300 and is used for driving the wind wheel 301 of the second crossflow blower 300 to rotate. The first fan motor and the second fan motor may be independently turned on/off. For example, the first crossflow blower 200 and the second crossflow blower 300 may be independently turned on according to the user's requirement, or may be turned on simultaneously. When one of the cross-flow fans is closed, the corresponding air supply system can be kept closed, specifically, the refrigerant is stopped being conveyed to the corresponding heat exchanger, so that the heat exchanger stops refrigerating/heating, and the corresponding air outlet is closed.
The wall-mounted air conditioner indoor unit further comprises an air guide device arranged at each air outlet. The first air guiding device 510 is disposed at the first air outlet 102, and is used for opening and closing the first air outlet 102 and/or guiding an air flow; the second air guiding device 520 is disposed at the second air outlet 104, and is configured to open and close the second air outlet 104 and/or guide an air flow. Each air guiding device comprises one or more air guiding plates. Each air deflector can also rotate along a straight line horizontally and transversely extending along the indoor unit.
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. A wall-mounted air conditioner indoor unit, comprising:
the air conditioner comprises a shell, wherein a first air inlet is formed in the rear side of the upper part of the shell, a first air outlet is formed in the front side of the upper part of the shell, a second air inlet is formed in the rear side of the lower part of the shell, and a second air outlet is formed in the front side of the lower part of the shell;
the first through flow fan is arranged in the shell, and a wind wheel of the first through flow fan extends along the horizontal transverse direction; the first cross flow fan is configured to promote airflow into the housing from the first air inlet and out of the housing from the first air outlet;
the second cross flow fan is arranged in the shell and is positioned at the lower side of the first cross flow fan; the wind wheel of the second cross flow fan extends along the horizontal transverse direction; the second crossflow blower is configured to urge airflow into the housing from the second air inlet and out of the housing from the second air outlet;
the first heat exchanger is arranged between the first through flow fan and the first air inlet; and
and the second heat exchanger is arranged between the second cross-flow fan and the second air inlet.
2. The wall-mounted air conditioning indoor unit of claim 1,
the first air outlet is arranged on the top wall of the shell, and the second air outlet is arranged on the bottom wall of the shell; or
The first air outlet and the second air outlet are both arranged on the front wall of the shell; or
The first air outlet is arranged on the front wall of the shell; and part of the second air outlet is arranged on the bottom wall of the shell, and the rest part of the second air outlet is arranged on the front wall of the shell, so that part or all of the second air outlet is positioned at the intersection of the front wall of the shell and the bottom wall of the shell.
3. The wall-mounted air conditioning indoor unit of claim 1, wherein the air conditioning indoor unit is provided in a wall-mounted type
The first heat exchanger comprises a first section and a second section, the first section is arranged at the rear part of the first cross flow fan, and the second section is arranged at the upper side of the first cross flow fan.
4. The wall-mounted air conditioning indoor unit of claim 1, wherein the air conditioning indoor unit is provided in a wall-mounted type
The second heat exchanger includes a third section provided at the rear of the second crossflow blower and a fourth section provided at the lower side of the second crossflow blower.
5. The wall-mounted air conditioning indoor unit of claim 1, further comprising:
a partition disposed between the first heat exchanger and the second heat exchanger.
6. The wall-mounted air conditioning indoor unit of claim 1, wherein the air conditioning indoor unit is provided in a wall-mounted type
The volute of the first crossflow blower is adjacent to the second crossflow blower;
the volute of the second crossflow blower is adjacent to the first crossflow blower.
7. The wall-mounted air conditioning indoor unit of claim 6,
the volute and the volute tongue of the first through flow fan are arranged on the shell or integrally formed with part of the structure of the shell;
the volute and the volute tongue of the second cross-flow fan are mounted on the shell or integrally formed with part of the structure of the shell.
8. The wall-mounted air conditioning indoor unit of claim 1, further comprising:
the first fan motor is connected with one end of the wind wheel of the first through flow fan and used for driving the wind wheel of the first through flow fan to rotate; and
the second fan motor is connected with one end of the wind wheel of the second cross flow fan and used for driving the wind wheel of the second cross flow fan to rotate; wherein
The first fan motor and the second fan motor are separately turned on or simultaneously turned on.
9. The wall-mounted air conditioning indoor unit of claim 1, further comprising:
the first air guiding device is arranged at the first air outlet;
and the second air guiding device is arranged at the second air outlet.
10. The wall-mounted air conditioning indoor unit of claim 1, wherein the air conditioning indoor unit is provided in a wall-mounted type
The first air inlet and the second air inlet are vertically symmetrical;
the first heat exchanger and the second heat exchanger are vertically symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921279397.7U CN210463269U (en) | 2019-08-08 | 2019-08-08 | Wall-mounted air conditioner indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921279397.7U CN210463269U (en) | 2019-08-08 | 2019-08-08 | Wall-mounted air conditioner indoor unit |
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| Publication Number | Publication Date |
|---|---|
| CN210463269U true CN210463269U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921279397.7U Active CN210463269U (en) | 2019-08-08 | 2019-08-08 | Wall-mounted air conditioner indoor unit |
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| CN (1) | CN210463269U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240604A (en) * | 2020-10-20 | 2021-01-19 | 珠海格力电器股份有限公司 | Vertical wall-mounted air conditioner indoor unit and air conditioner |
| WO2024021329A1 (en) * | 2022-07-26 | 2024-02-01 | 广东美的制冷设备有限公司 | Cross-flow air supply assembly and air conditioner having same |
-
2019
- 2019-08-08 CN CN201921279397.7U patent/CN210463269U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240604A (en) * | 2020-10-20 | 2021-01-19 | 珠海格力电器股份有限公司 | Vertical wall-mounted air conditioner indoor unit and air conditioner |
| WO2024021329A1 (en) * | 2022-07-26 | 2024-02-01 | 广东美的制冷设备有限公司 | Cross-flow air supply assembly and air conditioner having same |
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