CN213747038U

CN213747038U - Machine and air conditioner in air conditioning

Info

Publication number: CN213747038U
Application number: CN202022037807.6U
Authority: CN
Inventors: 何博; 李建建; 吴俊鸿; 梁博; 陈志伟; 廖敏
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-07-20
Anticipated expiration: 2030-09-16

Abstract

The utility model provides a machine and air conditioner in air conditioning, wherein: the air-conditioning indoor unit is a wall-mounted unit and comprises a shell and a fan, wherein the fan is a centrifugal fan, the shell comprises a back face, a front face and an upper end face, the back face is arranged opposite to a wall, the front face and the back face are arranged in a back-to-back mode, the upper end face is located at the upper end of the shell in the vertical direction, the air-conditioning indoor unit comprises a main air inlet, and the main air inlet is formed in the upper end face and close to the front face and the back face. According to the utility model discloses avoided the wall to restrain too big adverse effect to the air inlet area effectively, effectively utilized indoor set length direction's size for the air inlet area can obtain the biggest, and increase air inlet area increases the amount of wind, promotes indoor air conditioner's refrigeration and heats the comfort level.

Description

Machine and air conditioner in air conditioning

Technical Field

The utility model relates to an air conditioning technology field, concretely relates to machine and compressor in air conditioning.

Background

The air duct structure of the conventional mainstream indoor air conditioner comprises a single cross-flow fan, a single air inlet, a single air outlet and a single-row or double-row folding type heat exchanger, and realizes air supply under the working conditions of refrigeration and heating through an air deflector.

In recent years, some manufacturers propose that the double cross-flow fans are adopted to realize the partition air supply function of the wall-mounted unit, but the problems that the size of the whole unit is large and the appearance is not in accordance with the aesthetic sense of the public are caused.

Patent CN110056967A proposes that a partition air supply function is realized by adopting a double-centrifugal backward air inlet and forward air inlet manner, but it is obvious that the layout manner causes the problems of too small air inlet area and too large air flow resistance along the process, and the air flow is difficult to fall to the ground under the heating condition; the patent CN207936297U provides a wall-mounted machine adopting double-centrifugal hidden air outlet type zoned air supply, which has the problems of insufficient heat exchange and insufficient air volume caused by too small distance between a heat exchanger and a fan; patent CN103162353A proposes the hanging machine that adopts single motor cooperation transmission case device drive two centrifugal fan to realize multidirectional air supply, and its scheme exists the energy waste, can't realize the problem of target air supply, and heat transfer area undersize, probably leads to the problem that refrigeration, heating capacity are not enough.

Because many air-conditioning indoor units in the prior art have single air supply, personalized air supply cannot be realized; the air inlet area is small, so that the air quantity is small; the hot air falling property in the heating mode is poor, the hot air falling property is more obvious below the wind stroke grade, and the comfort is poor; the single fan is difficult to realize targeted air supply, and the phenomenon that the air supply range of the single fan is larger than the actual requirement is easy to generate, so that the energy waste is caused; the part has the subregion air supply function hanging machine air inlet area undersize, and the air current is too big along the journey resistance, and heat transfer area is not enough, the less problem of the amount of wind, consequently the utility model discloses the research designs a machine and air conditioner in the air conditioning.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model mainly lies in overcoming the air conditioning of the interior machine of prior art and having the air inlet area undersize, leads to the less defect of amount of wind to a machine and air conditioner in the air conditioning is provided.

In order to solve the above problem, the utility model provides an indoor unit of air conditioner, wherein:

the air-conditioning indoor unit is a wall-mounted unit and comprises a shell and a fan, wherein the fan is a centrifugal fan, the shell comprises a back face, a front face and an upper end face, the back face is arranged opposite to a wall, the front face and the back face are arranged in a back-to-back mode, the upper end face is located at the upper end of the shell in the vertical direction, the air-conditioning indoor unit comprises a main air inlet, and the main air inlet is formed in the upper end face and close to the front face and the back face.

Preferably, the heat exchanger is arranged in the shell and opposite to the main air inlet, the heat exchanger is an inclined plate heat exchanger, the plate surface direction of the plate heat exchanger is inclined with the horizontal direction, an included angle alpha exists between the plate surface direction of the plate heat exchanger and the horizontal direction, and the range of the alpha is between (0 degrees and 90 degrees).

Preferably, said α ranges between [35 °, 90 °).

Preferably, the housing further comprises a first side surface located on one horizontal side, a second side surface located on the other horizontal side, and a lower end surface located at the bottom, and at least one of the first side surface, the second side surface, and the lower end surface is further provided with an auxiliary air inlet.

Preferably, the casing further includes a lower end surface located at the bottom, and the indoor air conditioner unit includes a main air outlet provided on the lower end surface and disposed close to the front face with respect to the rear back face.

Preferably, the housing further comprises a first side surface located on one horizontal side and a second side surface located on the other horizontal side, and at least one of the first side surface, the second side surface and the upper end surface is further provided with an auxiliary air outlet.

Preferably, the air conditioner further comprises a fan and a volute, wherein the fan is located in the volute, and a main volute air outlet of the volute is arranged downwards and is opposite to the main air outlet.

Preferably, the centrifugal fan includes a first centrifugal impeller and a second centrifugal impeller, the rotation directions of the first centrifugal impeller and the second centrifugal impeller are opposite, the first centrifugal impeller and the second centrifugal impeller are arranged side by side along the horizontal direction, the volute includes a first volute and a second volute, the first centrifugal impeller is disposed inside the first volute, and the second centrifugal impeller is disposed inside the second volute; and/or the volute also comprises an auxiliary volute air outlet which is arranged upwards, towards one horizontal side and/or towards the other horizontal side.

Preferably, the centrifugal fan further comprises a first motor and a second motor, wherein the first motor is connected with the first centrifugal impeller and independently drives the first centrifugal impeller, and the second motor is connected with the second centrifugal impeller and independently drives the second centrifugal impeller.

The utility model also provides an air conditioner, it includes preceding arbitrary air conditioning indoor unit.

The utility model provides a pair of machine and air conditioner have following beneficial effect in the air conditioning:

1. the utility model discloses a set up the main air intake of air conditioning indoor set on the up end of the casing near the back, because the back is relative with the wall, form the mode of back upper air inlet promptly effectively, for the mode that the original centrifugal fan wall-hung machine adopted back air inlet, avoided the wall to restrain too big adverse effect to the air inlet area effectively, and main air intake sets up at the up end, because the area of up end is usually decided by the length and the thickness of indoor set, and effectively utilized the size of indoor set length direction, make the air inlet area obtain the biggest, increase the air inlet area, increase the amount of wind, promote the refrigeration and heating comfort level of indoor air conditioner;

2. the utility model discloses still through setting up the heat exchanger of putting to one side, compare the heat exchanger structural style of the perpendicular air inlet in current front and can increase heat transfer area effectively, promote heat exchange efficiency, the heat exchanger of putting to one side can also increase the interval of spiral case to the evaporimeter effectively, has promoted the amount of wind effectively, the heat exchanger is bigger with the horizontal plane angle, the amount of wind is smaller, heat transfer area is also less; the smaller the angle between the heat exchanger and the horizontal plane is, the larger the air quantity is, the larger the heat exchange area is, but the water dripping problem can be caused by the too small angle.

3. The utility model can effectively improve the air quantity and the air speed at the outlet of the wall hanging machine system by applying the centrifugal fan, thereby realizing remote air supply; the requirements of different users in the same room can be met through double-centrifugal partition air supply, so that personalized air supply is realized; the centrifugal fan is matched with a direct downward air outlet mode, the heating air outlet landing effect is good, and the heating comfort is improved; through mutually independent fan control system, can realize the independent regulation of fan parameter according to user's demand to reach energy-conserving effect, for example: when a user is in the left half area of the room, the left fan can be independently started correspondingly, the targeted air supply function is realized, and cold/heat brought by airflow is fully utilized; the centrifugal fan structure enables the length direction and the thickness direction of the whole machine to have obvious advantages compared with the traditional wall-mounted machine, and the modern aesthetic requirements are better met.

Drawings

FIG. 1 is a three-dimensional structure diagram of the air-conditioning indoor unit of the present invention;

fig. 2 is an exploded schematic view of the indoor unit of the air conditioner of the present invention;

FIG. 3 is a side view of the indoor unit of the air conditioner of the present invention;

fig. 4 is a three-dimensional structure view of an air conditioner indoor unit according to an alternative embodiment of the present invention;

figure 5 is a block diagram of a volute of an alternative embodiment of the invention.

The reference numerals are represented as:

1. a housing; 11. a back side; 12. a front face; 13. an upper end surface; 14. a first side surface; 15. a second side surface; 16. a lower end face; 21. a main air inlet; 22. an auxiliary air inlet; 3. a heat exchanger; 41. a main air outlet; 42. an auxiliary air outlet; 5. a fan; 51. a first centrifugal impeller; 52. a second centrifugal impeller; 6. a volute; 61. a first volute; 62. a second volute; 63. a main volute air outlet; 64. an auxiliary volute outlet; 71. a first motor; 72. a second motor; 81. a first flow guiding ring; 82. a second flow guiding ring; 9. and a control module.

Detailed Description

As shown in fig. 1-5, the utility model provides an air-conditioning indoor unit, wherein:

the air-conditioning indoor unit is a wall-mounted unit and comprises a shell 1 and a fan 5, the fan 5 is a centrifugal fan, the shell 1 comprises a back 11, a front 12 and an upper end face 13, the back 11 is arranged opposite to a wall, the front 12 is arranged opposite to the back 11, the upper end face 13 is arranged at the upper end of the vertical direction of the shell, the air-conditioning indoor unit comprises a main air inlet 21, the main air inlet 21 is arranged on the upper end face 13 and is close to the front 12, and the back 11 is arranged.

The utility model discloses use centrifugal fan can effectual promotion amount of wind and exit wind speed at the hanging machine system, realize remote air supply, set up on the up end of the casing that is close to the back through the main air intake with the air conditioning indoor set, because the back is relative with the wall, form the mode of air inlet on the back promptly effectively, for the mode that original centrifugal fan hanging machine adopted the back air inlet, avoided the wall to restrain too big adverse effect to the air inlet area effectively, and main air intake sets up at the up end, because the area of up end is usually by the length and the thickness decision of indoor set, and utilized indoor set length direction's size effectively, make the air inlet area can obtain the biggest, increase air inlet area, increase the amount of wind, promote indoor air conditioner's the refrigeration and heating comfort level.

The utility model discloses to the defect of background art, it realizes subregion air supply and target air supply function to propose the two centrifugal fan that adopt independent control, centrifugal fan possesses that the amount of wind is big, the wind speed is high, the air supply distance is far away and be favorable to reducing the advantage of complete machine length and thickness by a wide margin, the mode of air-out promotes the air intake area down before adopting the back to go up the air-out, and directly down the air-out mode can make hot-blast fall to the ground, reduce the loss that the aviation baffle led to the fact the amount of wind, it is better to heat the travelling comfort, the promotion amount of wind that the oblique heat exchanger of collocation can be very big in addition and promote the refrigeration, the effect of heating.

Preferably, the heat exchanger 3 is arranged inside the shell 1 and opposite to the main air inlet 21, the heat exchanger 3 is an inclined plate heat exchanger, the plate surface direction of the plate heat exchanger is inclined to the horizontal direction, an included angle α exists between the plate surface direction of the plate heat exchanger and the horizontal direction, and the range of α is between 0 ° and 90 °. Compared with the existing heat exchanger with the front vertical air inlet structure, the inclined heat exchanger can effectively increase the heat exchange area and improve the heat exchange efficiency, the inclined heat exchanger can also effectively increase the distance from the volute to the evaporator, and effectively improve the air quantity, and the larger the angle between the heat exchanger and the horizontal plane is, the smaller the air quantity is, and the smaller the heat exchange area is; the smaller the angle between the heat exchanger and the horizontal plane is, the larger the air quantity is, and the larger the heat exchange area is, but the water dripping problem can be caused by the excessively small angle (for example, if the heat exchanger is horizontally arranged, condensed water can drip from the heat exchange tube, so that potential safety hazards are caused).

Preferably, said a ranges between 35 °, 90 °; and/or the plate surface of the heat exchanger 3 is rectangular, "W" -shaped, "V" -shaped or "C" -shaped (this is a further preferred solution, i.e. the fin shape of the plate heat exchanger is the above-mentioned many different shapes). The utility model discloses a heat exchanger 3 is to putting the heat exchanger to one side, and its purpose has two: the distance from the heat exchanger to the inlet of the volute is increased, so that the surface wind speed of the heat exchanger is distributed more uniformly, the energy loss caused by higher wind speed is reduced, and the effect of improving the wind volume is achieved. The average wind speed at the outlet of the inclined heat exchanger is obviously improved, which shows that the wind quantity is correspondingly improved. Secondly, the step of: the inclined heat exchanger has larger heat exchange area, so that the refrigerating/heating effect of the air conditioner is better. Under the condition of keeping the structural size of the whole machine unchanged, simulation shows that the larger the angle between the heat exchanger and the horizontal plane is, the smaller the air volume is, and the smaller the heat exchange area is, and when the angle between the heat exchanger and the horizontal plane is from 90 degrees (vertical) → 70 degrees → 50 degrees, the air volume is from 762m³H (vertical) → 815m³/h →861m³The air volume is improved by about 13%, the improvement is considerable, but the excessive inclination angle of the heat exchanger can cause the water dripping problem, the angle between the general heat exchanger and the horizontal plane is not less than 35 degrees according to the experimental experience, and the potential safety hazard caused by the condensed water which can not drip when the heat exchange area is effectively ensured to be increased can be ensured.

Preferably, the housing 1 further includes a first side surface 14 located on one horizontal side, a second side surface 15 located on the other horizontal side, and a lower end surface 16 located at the bottom, and at least one of the first side surface 14, the second side surface 15, and the lower end surface 16 is further provided with an auxiliary air inlet 22. This is the preferred structural style of the alternative embodiment of the present invention, as shown in fig. 4, the air intake area can be further increased by providing the structural style of the auxiliary air intake on a plurality of sides, and the air intake amount is increased.

Preferably, the casing 1 further comprises a lower end surface 16 located at the bottom, and the air conditioning indoor unit comprises a main air outlet 41, wherein the main air outlet 41 is disposed on the lower end surface 16 and is disposed close to the front surface 12 with respect to the rear back surface 11. This is the utility model discloses a preferred setting position and the setting form of main air outlet adopts centrifugal fan collocation mode of air-out directly down, and it is effectual to fall to the ground to heat the air-out, promotes the travelling comfort that heats.

Preferably, the housing 1 further includes a first side surface 14 located at one horizontal side and a second side surface 15 located at the other horizontal side, and at least one of the first side surface 14, the second side surface 15 and the upper end surface 13 is further provided with an auxiliary air outlet 42. This is the preferred structural style of the alternative embodiment of the present invention, as shown in fig. 4, the air outlet area can be further increased by the structural style of providing the auxiliary air outlet on a plurality of sides, and the air inlet volume is increased.

Preferably, the air blower 5 is located in the volute 6, and the main volute outlet 63 of the volute 6 faces downward and is opposite to the main outlet 41. The volute can guide the airflow of the centrifugal impeller, so that the purposes of effectively pressurizing and improving the air supply distance are achieved.

Preferably, the centrifugal fan includes a first centrifugal impeller 51 and a second centrifugal impeller 52, the rotation directions of the first centrifugal impeller 51 and the second centrifugal impeller 52 are opposite, the first centrifugal impeller 51 and the second centrifugal impeller 52 are arranged side by side along a horizontal direction, the volute 6 includes a first volute 61 and a second volute 62, the first centrifugal impeller 51 is disposed inside the first volute 61, and the second centrifugal impeller 52 is disposed inside the second volute 62; and/or, the volute 6 further comprises an auxiliary volute outlet 64, and the auxiliary volute outlet 64 is arranged upwards, towards one horizontal side and/or towards the other horizontal side. Through mutually independent fan control system, can realize the independent regulation of fan parameter according to user's demand to reach energy-conserving effect, for example: when a user is in the left half area of the room, the left fan can be independently started correspondingly, the targeted air supply function is realized, and cold/heat brought by airflow is fully utilized; the centrifugal fan structure enables the length direction and the thickness direction of the whole machine to have obvious advantages compared with the traditional wall-mounted machine, and the modern aesthetic requirements are better met.

Preferably, the centrifugal fan further comprises a first motor 71 and a second motor 72, wherein the first motor 71 is connected to the first centrifugal impeller 51 to independently drive the first centrifugal impeller 51, and the second motor 72 is connected to the second centrifugal impeller 52 to independently drive the second centrifugal impeller 52. The utility model discloses a two centrifugal fan blades can be with continuous convert mechanical energy into kinetic energy, overcome the resistance with higher speed to the air current to the diffusion effect of left side spiral case and right side spiral case respectively down to the room left and right sides air supply, compare in traditional wall-hung machine, the utility model discloses a centrifugal fan is as main power supply, and its amount of wind, export wind speed and air supply distance all have great promotion, and all have obvious advantage at length and thickness direction more traditional wall-hung machine, this kind of air outlet structure under directly can making hot-blast direct fall to the ground in addition, and the effect of heating is better.

When the air conditioner is started, the control module 9 sends an instruction to enable the left motor (the first motor 71) and the right motor (the second motor 72) to work, wherein the left motor and the right motor can be controlled independently, when a user is located in a left half area, the left motor can only work, a targeted air supply function is achieved, the left area is cooled rapidly, and therefore the energy-saving effect is achieved. The left motor and the right motor respectively drive the left centrifugal fan blade (the first centrifugal impeller 51) and the right centrifugal fan blade (the second centrifugal impeller 52) to work, negative pressure is formed inside the air conditioner, indoor normal-temperature air flows in from the main air inlet 21 of the air conditioner under the action of pressure intensity, and further enters the two centrifugal fan blades through the action of temperature rise/temperature drop of the heat exchanger 3.

The utility model also provides an air conditioner, it includes preceding arbitrary air conditioning indoor unit. The utility model provides a can subregion air supply's hanging machine air conditioner, by the main wind channel structure that can single control's two centrifugal fan and put the heat exchanger to one side and constitute, the straight down air-out mode of collocation, compare in traditional wall-hung machine can reach the advantage that the heat transfer effect is good, the amount of wind is big, the subregion air supply, target air supply, remote air supply, hot-blast falls to the ground more easily.

The main structure is shown in the attached figures 1-3, and the main air inlet 21 (also called return air inlet) of the air conditioner; the heat exchanger 3 is used for blowing out the normal-temperature air after the normal-temperature air and the heat exchanger perform sufficient heat exchange, so that the refrigerating/heating function is achieved; the control module 9 controls the motor and other moving parts to move, and the left motor is used for driving the left centrifugal fan blade to rotate; the left volute structure is often matched with a left volute diversion ring (first diversion ring 81) structure for use together, so that the inlet air flow can be more uniform, and the effect of improving the air quantity is achieved; the left side fan volute and the like are symmetrically distributed and have the same functions as the right side fan volute and the like, and the rotating directions of the left side centrifugal fan blade (the first centrifugal impeller 51) and the right side centrifugal fan blade (the second centrifugal impeller 52) are opposite; the main outlet 41 of the air conditioner.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. An air conditioning indoor unit, characterized in that:

the air-conditioning indoor unit is a wall-mounted unit and comprises a shell (1) and a fan (5), wherein the fan (5) is a centrifugal fan, the shell (1) comprises a back face (11), a front face (12) and an upper end face (13), the back face (11) is arranged opposite to a wall, the front face (12) is arranged opposite to the back face (11), the upper end face (13) is arranged at the upper end of the vertical direction of the shell, the air-conditioning indoor unit comprises a main air inlet (21), the main air inlet (21) is arranged on the upper end face (13) and is close to the front face (12) and the back face (11) is arranged.

2. An indoor unit of an air conditioner according to claim 1, wherein:

still include heat exchanger (3), heat exchanger (3) set up in inside casing (1), and with main air intake (21) are relative, heat exchanger (3) are the plate heat exchanger of putting to one side, plate heat exchanger's face direction and horizontal direction slope set up, plate heat exchanger's face direction and horizontal direction have contained angle alpha, just alpha's scope is between (0, 90 °).

3. An indoor unit of an air conditioner according to claim 2, wherein:

said α ranges between (35 °, 90 °).

4. An indoor unit of an air conditioner according to any one of claims 1 to 3, wherein:

the shell (1) further comprises a first side surface (14) located on one horizontal side, a second side surface (15) located on the other horizontal side and a lower end surface (16) located at the bottom, and an auxiliary air inlet (22) is further formed in at least one of the first side surface (14), the second side surface (15) and the lower end surface (16).

5. An indoor unit of an air conditioner according to any one of claims 1 to 3, wherein:

the casing (1) further comprises a lower end face (16) located at the bottom, the air-conditioning indoor unit comprises a main air outlet (41), and the main air outlet (41) is arranged on the lower end face (16) and is close to the front face (12) relative to the rear back face (11).

6. An indoor unit of an air conditioner according to claim 5, wherein:

the shell (1) further comprises a first side surface (14) located on one horizontal side and a second side surface (15) located on the other horizontal side, and an auxiliary air outlet (42) is further formed in at least one of the first side surface (14), the second side surface (15) and the upper end surface (13).

7. An indoor unit of an air conditioner according to claim 5, wherein:

still include spiral case (6), fan (5) are located in spiral case (6), just main spiral case air outlet (63) of spiral case (6) set up down, and with main air outlet (41) are relative.

8. An indoor unit of an air conditioner according to claim 7, wherein:

the centrifugal fan comprises a first centrifugal impeller (51) and a second centrifugal impeller (52), the rotation directions of the first centrifugal impeller (51) and the second centrifugal impeller (52) are opposite, the volute (6) comprises a first volute (61) and a second volute (62), the first centrifugal impeller (51) is arranged inside the first volute (61), and the second centrifugal impeller (52) is arranged inside the second volute (62); and/or the volute (6) further comprises an auxiliary volute air outlet (64), and the auxiliary volute air outlet (64) is arranged upwards, towards one horizontal side and/or towards the other horizontal side.

9. An indoor unit of an air conditioner according to claim 8, wherein:

the centrifugal pump further comprises a first motor (71) and a second motor (72), wherein the first motor (71) is connected with the first centrifugal impeller (51) and independently drives the first centrifugal impeller (51), and the second motor (72) is connected with the second centrifugal impeller (52) and independently drives the second centrifugal impeller (52).

10. An air conditioner, characterized in that: an indoor unit of an air conditioner comprising any one of claims 1 to 9.