CN218672368U - Ceiling indoor unit with single-side air outlet - Google Patents

Abstract

The utility model provides a smallpox indoor unit of single face air-out. The ceiling indoor unit with single-side air outlet comprises a shell, a heat exchanger, a water receiving disc and a cross-flow fan; the mounting cover is arranged on one side of the heat exchanger and the cross flow fan, which is far away from the bottom panel; first volute tongue locates between installation cover and the bottom surface plate, and is located far away from heat exchanger one side of crossflow fan, and first volute tongue includes: the volute tongue extension part is in a long strip shape and extends along the direction of a rotating shaft of the cross flow fan, the volute tongue comprises a first volute tongue plate and a second volute tongue plate which are arranged in an angle mode, and the shape of the first volute tongue plate is matched with that of the outer side face of the cross flow fan; the installation department and the volute tongue extension fixed connection, the installation department holds the chamber including the curved surface, and the at least partial curved surface that is located of cross-flow fan holds the intracavity, passes through buckle fixed connection between the one end of keeping away from the bottom panel of installation department and the installation cover, passes through screw fixed connection between the one end of installation department that is close to the bottom panel and the installation cover to make the relative position between first volute tongue and the cross-flow fan keep fixed.

Description

Ceiling indoor unit with single-side air outlet

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a smallpox indoor unit of single face air-out.

Background

With the rapid development of ceiling fans, centrifugal fans or cross-flow fans are generally used to drive the flow of air. Centrifugal fans are noisy and not suitable for use in household applications where quietness is required, and ceiling fans provided with cross flow fans are often used in indoor environments where low noise is required.

The ceiling machine comprises an indoor machine and an outdoor machine, wherein the indoor machine is often set to be in a single-side air outlet mode, the cross-flow fan is installed on the leeward side of the evaporator, an air inlet and an air outlet are formed in the bottom panel, indoor air enters the ceiling machine from an air inlet grille at the air inlet, then flows through the evaporator and the cross-flow fan and finally is blown to the indoor from the air outlet of the bottom panel. The wind resistance of the cross flow fan is large, and when indoor air passes through the air inlet grille, the filter screen and the evaporator, the wind resistance is large, and noise is easy to generate.

In the prior art, a rear volute tongue far away from the bottom panel is arranged near the cross-flow fan, the rear volute tongue is arranged on the mounting cover, and the mounting cover is a large-size component, so that a large machining error exists in the production process, the rear volute tongue and the cross-flow fan cannot be kept at a preset distance during mounting, and a ceiling machine generates large noise in the actual use process.

Near the periphery of cross-flow fan still be equipped with the preceding snail tongue that is close to the bottom surface board, preceding snail tongue sets up on the water collector, and the water collector also is the great part of volume, appears machining error easily, and the evaporimeter can extrude the water collector during the installation, leads to the water collector to have assembly error to lead to the unable assurance of distance between preceding snail tongue and the cross-flow fan. When the ceiling fan is used, water is often stored in the water pan, so that the temperature change of the water pan is large, the water pan is deformed, and the distance between a front volute tongue arranged on the water pan and the cross-flow fan cannot be kept at a preset value.

When the distance between the front volute tongue and the cross-flow fan is larger than a preset value, the wind speed is reduced, and wind returns from the air outlet and is sucked into the ceiling machine; when the distance between the volute tongue and the cross-flow fan is smaller than a preset value, the wind speed is high, the cross-flow fan generates abnormal sound, and poor use experience is brought to a user.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve one of the technical problem in the correlation technique at least to a certain extent.

Therefore, the application aims to provide a ceiling indoor unit with single-side air outlet, which comprises an installation cover and a first volute tongue, wherein the first volute tongue comprises a volute tongue extending portion and an installation portion, the first volute tongue, the installation cover and a water receiving disc are separately arranged, and the installation portion and the installation cover are fixedly connected through screws and buckles, so that the distance between the first volute tongue and a cross flow fan is kept fixed, and the cross flow fan can stably and safely operate within a specified wind speed range without generating extra noise.

The utility model provides a smallpox indoor unit of single face air-out includes:

the heat exchanger comprises a shell, a heat exchange cavity is formed inside the shell, and the shell comprises a bottom panel provided with an air inlet and an air outlet;

the heat exchanger is arranged in the heat exchange cavity and releases cold energy to air flow entering the heat exchange cavity from the air inlet;

the water receiving tray is arranged in the shell, is positioned on one side of the heat exchanger close to the bottom panel and is used for receiving condensed water on the surface of the heat exchanger;

the cross-flow fan is arranged in the shell and correspondingly arranged at the air outlet, is arranged on the leeward side of the heat exchanger and rotates to form low pressure so as to drive airflow to enter the heat exchange cavity from the air inlet and then blow out from the air outlet;

the mounting cover is arranged on one side of the heat exchanger and the cross flow fan, which is far away from the bottom panel;

the first volute tongue is arranged between the mounting cover and the bottom panel and is positioned on one side, far away from the heat exchanger, of the cross-flow fan, and the first volute tongue comprises:

the volute tongue extension part is in a long strip shape and extends along the direction of a rotating shaft of the cross flow fan, the volute tongue comprises a first volute tongue plate and a second volute tongue plate which are arranged in an angle mode, the shape of the first volute tongue plate is matched with the shape of the outer side face of the cross flow fan, and therefore airflow passing through the cross flow fan is close to the first volute tongue plate to flow;

the installation part is fixedly connected with the volute tongue extension part and comprises a curved surface accommodating cavity, at least part of the cross-flow fan is positioned in the curved surface accommodating cavity, one end of the installation part, far away from the bottom panel, is fixedly connected with the installation cover through a buckle, and one end of the installation part, close to the bottom panel, is fixedly connected with the installation cover through a screw, so that the relative position between the first volute tongue and the cross-flow fan is kept fixed.

In some embodiments of the present application, the volute tongue extension is integrally formed with the mounting portion; the mounting part comprises a connecting port facing the volute tongue extension part, the shape of the connecting port is matched with that of the volute tongue extension part, and the first volute tongue plate and the second volute tongue plate are respectively connected inside the connecting port.

In some embodiments of the present application, the cabinet includes a first cabinet sidewall disposed opposite the bottom panel, and a height direction of the cabinet between the first cabinet sidewall and the bottom panel is a first direction; the second volute tongue plate extends along the first direction, and the extension lengths of the first volute tongue plate and the second volute tongue plate along the direction of the rotating shaft of the cross flow fan are the same;

the end part of the first volute tongue plate is connected with the end part of the second volute tongue plate close to the cross flow fan, so that the second volute tongue plate provides supporting force for the first volute tongue plate to face the side wall of the first machine shell.

In some embodiments of the present application, the direction of the rotational axis of the crossflow fan is a second direction;

the extension length of the volute tongue extension part along the second direction is greater than that of the mounting part along the second direction, and the mounting part is connected to the middle position of the volute tongue extension part, so that the force of the volute tongue extension part is balanced.

In some embodiments of the present application, the first tongue plate has a first end connected to the second tongue plate and a second end extending toward the heat exchanger, and further includes a first extension plate connected to the second end and extending toward the bottom panel;

the water collector is including being located between the bottom of heat exchanger and the cross-flow fan and along the first water collector lateral wall of second direction extension, and one side that is close to the heat exchanger of first water collector lateral wall is located to first extension board, and first extension board extends to the inside of water collector.

In some embodiments of the present application, a first gap is provided between the first extending plate and the first water pan side wall, the ceiling indoor unit further comprises foam and/or foam, and the foam and/or foam is filled between the first gaps, so that the foam and/or foam seals the first gaps.

In some embodiments of the present application, the curved surface accommodating chamber is disposed on a side of the cross flow fan away from the heat exchanger, and the shape and size of the curved surface accommodating chamber and the shape and size of the cross flow fan are matched to enable the cross flow fan to rotate in the curved surface accommodating chamber.

In some embodiments of the present application, the volute tongue extension includes a plurality of spaced apart ribs extending in the first direction, one end of the ribs being connected to the side of the volute tongue extension adjacent to the bottom panel and the other end being connected to the bottom panel.

In some embodiments of the present application, the mounting portion includes at least two curved panels and a connection rib, the connection rib is connected between the two curved panels, the curved panels have a first curved side close to the cross flow fan and a second curved side far away from the cross flow fan, an included angle is formed between the first curved side and the second curved side, and a radian of the first curved side is greater than a radian of the second curved side.

In some embodiments of the application, the mounting portion further includes a screw mounting plate connected to the curved panel and the end of the connecting rib plate close to the bottom panel, a first screw hole is formed in the screw mounting plate, a second screw hole matched with the mounting cover and the first screw hole is formed in the mounting cover, and a screw penetrates through the first screw hole and the second screw hole to fixedly connect the mounting portion and the mounting cover.

The application has at least the following positive effects:

the utility model provides a smallpox indoor unit of single face air-out. The ceiling indoor unit with single-side air outlet comprises a shell, a heat exchanger, a water receiving disc and a cross-flow fan; the mounting cover is arranged on one side of the heat exchanger and the cross flow fan, which is far away from the bottom panel; the first volute tongue is arranged between the mounting cover and the bottom panel and is positioned on one side, far away from the heat exchanger, of the cross-flow fan, and the first volute tongue comprises: the volute tongue extension part is in a long strip shape and extends along the direction of a rotating shaft of the cross flow fan, the volute tongue comprises a first volute tongue plate and a second volute tongue plate which are arranged in an angle mode, the shape of the first volute tongue plate is matched with the shape of the outer side face of the cross flow fan, and therefore airflow passing through the cross flow fan is close to the first volute tongue plate to flow; the installation department and the volute tongue extension fixed connection, the installation department holds the chamber including the curved surface, and the at least partial curved surface that is located of cross-flow fan holds the intracavity, passes through buckle fixed connection between the one end of keeping away from the bottom panel of installation department and the installation cover, passes through screw fixed connection between the one end of installation department that is close to the bottom panel and the installation cover to make the relative position between first volute tongue and the cross-flow fan keep fixed. The cross flow fan comprises an installation cover and a first volute tongue, wherein the first volute tongue comprises a volute tongue extending part and an installation part, the first volute tongue, the installation cover and a water receiving disc are separately arranged, and the installation part and the installation cover are fixedly connected through a screw and a buckle, so that the distance between the first volute tongue and the cross flow fan is kept fixed, and the cross flow fan can stably and safely operate within a specified wind speed range and does not generate extra noise.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a view of the appearance of a ceiling indoor unit with single-sided wind outlet according to an embodiment of the application;

FIG. 2 is a bottom view of FIG. 1;

FIG. 3 isbase:Sub>A view A-A of FIG. 2;

fig. 4 is a view of part of components of a ceiling indoor unit with single-side wind outlet according to an embodiment of the application;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a sectional view taken along line B-B of FIG. 5;

fig. 7 is an enlarged view D in fig. 6;

fig. 8 is an enlarged view E in fig. 7;

fig. 9 is an enlarged view F in fig. 7;

fig. 10 is a split view of a mounting cover, a heat exchanger, a cross flow fan, a water pan and other components of the ceiling indoor unit with single-side air outlet according to the embodiment of the application;

fig. 11 is a matching diagram of a mounting cover, a heat exchanger, a cross flow fan, a water pan and other components of the ceiling indoor unit with single-side air outlet according to the embodiment of the application;

fig. 12 is a matching diagram of components such as a heat exchanger, a cross flow fan, a water pan and the like of the ceiling indoor unit with single-side air outlet according to the embodiment of the application;

fig. 13 is an enlarged view F in fig. 12;

fig. 14 is a schematic flow direction diagram of a ceiling indoor unit with single-side air outlet according to an embodiment of the application;

in the above figures: 100. a ceiling indoor unit; 1. a housing; 11. a bottom panel; 111. an air inlet; 112. an air outlet; 12. a first housing side wall; 2. a heat exchanger; 3. a water pan; 31. a first drip pan side wall; 32. a first gap; 4. a cross-flow fan; 5. mounting a cover; 51. a second screw hole; 6. a first volute tongue; 61. a volute tongue extension; 611. a first tongue plate; 6113. a first extension plate; 612. a second tongue plate; 62. an installation part; 621. a curved surface accommodating cavity; 622. buckling; 624. a connecting port; 625. a curved panel; 6251. a first arcuate edge; 6252. a second arcuate edge; 626. connecting a rib plate; 627. mounting a screw; 6271. a first screw hole.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or otherwise implying any addition or subtraction of the indicated technical features. Thus, a feature defined as "first" or "second" may include one or more of that feature either explicitly or implicitly.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The ceiling machine includes a compressor, a condenser, an expansion valve, and an evaporator, and performs a refrigeration cycle through the compressor, the condenser, the expansion valve, and the evaporator. The refrigeration cycle includes a compression process, a condensation process, an expansion process and an evaporation process, and cold or heat is provided to the indoor space through the heat absorption and release processes of the refrigerant, so that the temperature of the indoor space is adjusted.

The compressor compresses a refrigerant gas into a high-temperature and high-pressure state, discharges the compressed refrigerant gas, and the discharged refrigerant gas flows into the condenser. The condenser condenses the compressed high-temperature and high-pressure gaseous refrigerant into a liquid refrigerant, and heat is released to the surrounding environment through the condensation process.

The liquid refrigerant flowing out of the condenser enters an expansion valve, which expands the liquid refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid refrigerant. The low-pressure liquid refrigerant flowing out of the expansion valve enters the evaporator, absorbs heat when the liquid refrigerant flows through the evaporator and is evaporated into low-temperature and low-pressure refrigerant gas, and the refrigerant gas in the low-temperature and low-pressure state returns to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The ceiling machine can regulate the temperature of the indoor space throughout the cycle.

Hereinafter, embodiments of the present application will be described in detail with reference to fig. 1 to 14.

The first direction is defined as the height direction of the casing 1 between the first casing side wall 12 and the bottom panel 11, the second direction is defined as the direction of the rotation shaft of the cross flow fan 4, the second direction is also the width direction of the casing 1 of the ceiling fan, the third direction is defined as the direction perpendicular to the second direction and parallel to the bottom panel 11, and the third direction is also the length direction of the casing 1 of the ceiling fan.

In the using process, the first casing side wall 12 is arranged close to the ceiling machine of the indoor environment, the direction of the first casing side wall 12 is the upper side of the indoor machine of the ceiling machine, the bottom panel 11 is provided with the air outlet 112 and blows air towards the indoor space below, and the direction of the bottom panel 11 is defined as the lower side of the indoor machine of the ceiling machine.

The first direction is defined as the width direction of the box between the second box wall and the third box wall, the second direction is the height direction of the box between the top plate and the base, and the third direction is the length direction of the box between the first box wall and the opening.

Referring to fig. 1, the ceiling machine with single-side air outlet according to the present application comprises a ceiling machine indoor unit 100 and a ceiling machine outdoor unit, wherein the indoor unit comprises a casing 1, a heat exchanger 2, a water pan 3, a cross flow fan 4, a mounting cover 5 and a first volute tongue 6.

The casing 1 is provided on the outermost side of the ceiling indoor unit 100, and is substantially a rectangular parallelepiped, and a heat exchange chamber is formed inside the casing 1. The casing 1 includes a bottom panel 11 having an air inlet 111 and an air outlet 112, a first casing sidewall 12 opposite to the bottom panel 11, and a second casing 1 sidewall, a third casing 1 sidewall, a fourth casing 1 sidewall and a fifth casing 1 sidewall connected between the first casing sidewall 12 and the bottom panel 11 and extending in the up-down direction. The casing 1 is provided with a plurality of hooks symmetrically arranged for hanging the ceiling indoor unit 100 at the top of an indoor environment, so that the bottom panel 11 faces a personnel activity area of a lower indoor space, and wind blows out from the blowing port to the lower side of the bottom panel 11.

The air inlet 111 and the air outlet 112 are spaced apart. The air inlet 111 is provided with an air inlet grille and a filter screen to filter the air flow entering the interior of the casing 1 from the air inlet 111, reduce the impurities carried in the air flow entering the casing 1, and ensure the cleanliness in the casing 1. An air deflector rotatably connected with the machine shell 1 is arranged at the air outlet 112, and the shape and the size of the air deflector are matched with those of the air outlet 112, so that the air deflector can rotate to close or open the air outlet 112, and the change of the air outlet angle in the vertical direction and the adjustment of the air outlet quantity are realized. The air outlet 112 is also provided with a plurality of air guide grids arranged at intervals, the plurality of air guide grids are connected to the rotating shaft, and the rotating shaft rotates to drive the air guide grids to rotate at different angles, so that the change of the air outlet angle in the horizontal direction is realized.

It should be noted that the air outlet 112 of the present embodiment is only disposed on the bottom panel 11, and is not disposed on the other side walls of the casing 1, the ceiling indoor unit 100 of the present embodiment is a ceiling indoor unit 100 that discharges air from one side, and the air can only be blown out from the air outlet 112 of the bottom panel 11.

The heat exchanger 2 is arranged in the heat exchange cavity, the heat exchanger 2 releases cold energy to airflow entering the heat exchange cavity from the air inlet 111, when the indoor unit 100 of the ceiling fan is in a refrigerating state, the heat exchanger 2 is an evaporator, and a refrigerant flowing through the evaporator absorbs heat in the airflow flowing to the periphery of the evaporator from the air inlet 111, so that the temperature of the airflow is reduced to form cold air. Heat exchanger 2 inclines to be placed in casing 1, and the contained angle between heat exchanger 2 and the air intake 111 is the acute angle, compares heat exchanger 2 and bottom panel 11 vertically technique and places, and 2 inclines to place and do benefit to the frontal area who increases heat exchanger 2, and the messenger can be abundant from the air current that air intake 111 got into heat exchanger 2 and carry out the heat transfer with heat exchanger 2.

The water pan 3 is arranged in the machine shell 1, and is positioned on one side, close to the bottom panel 11, of the heat exchanger 2, and is used for receiving condensate water on the surface of the heat exchanger 2, the heat exchanger 2 is provided with a bottom end part facing the bottom panel 11, the water pan 3 is arranged on the lower side of the bottom end surface of the heat exchanger 2, the condensate water formed on the surface of the heat exchanger 2 flows to the bottom end part of the heat exchanger 2 along the surface of the heat exchanger 2 under the action of gravity, and then flows into the water pan 3, the water pan 3 can reduce the probability of condensate water gathering on the surface of the heat exchanger 2, and meanwhile, the condensate water is received, the phenomenon of blowing is prevented, and the condensate water is prevented from overflowing to cause the indoor unit 100 of the ceiling to generate potential safety hazards such as electric leakage.

The cross flow fan 4 is substantially cylindrical and is disposed in the casing 1 and correspondingly disposed at the air outlet 112, and the ceiling indoor unit 100 further includes a motor connected to the cross flow fan 4 to drive the cross flow fan 4 to rotate around its rotation axis. The cross-flow fan 4 is arranged on the leeward side of the heat exchanger 2 and rotates to form low pressure to drive airflow to enter the heat exchange cavity from the air inlet 111 and then blow out from the air outlet 112. Airflow enters the heat exchange cavity from the air inlet 111 to exchange heat with the heat exchanger 2, the airflow after heat exchange flows to the cross-flow fan 4, and the cross-flow fan 4 drives the airflow to be blown out from the air outlet 112. In the present application, the cross flow fan 4 has one, but is not limited thereto.

The mounting cover 5 is arranged on one side of the heat exchanger 2 and the cross flow fan 4 far away from the bottom panel 11, namely the mounting cover 5 is connected above the heat exchanger 2 and the cross flow fan 4, and the mounting cover 5 is fixedly connected with the casing 1 through screws.

Specifically, the mounting cover 5 includes a first mounting sidewall opposed to the bottom panel 11, a second mounting sidewall perpendicular to the bottom panel 11 and located on a side of the cross flow fan 4 remote from the heat exchanger 2, and third and fourth mounting sidewalls opposed to end plates on both sides of the heat exchanger 2. It should be noted that the third mounting side wall and the fourth mounting side wall have inclined edges, and the inclined edges are opposite to and matched with the end plates on both sides of the heat exchanger 2, so that the inclined edges are correspondingly arranged above the end plates of the heat exchanger 2.

Smooth transition is carried out between the first installation side wall and the second installation side wall, and a plurality of reinforcing ribs are arranged at the transition connection position so as to enhance the strength of the installation cover 5.

The first volute tongue 6 is arranged between the mounting cover 5 and the bottom panel 11 and on one side of the cross-flow fan 4 far away from the heat exchanger 2, and the first volute tongue 6 comprises a volute tongue extension 61 and a mounting part 62.

The volute tongue extending part 61 is in a long strip shape and extends along the direction of the rotating shaft of the cross flow fan 4, the volute tongue extending part 61 is arranged on one side, close to the air outlet, of the cross flow fan 4, and due to the fact that the extending directions of the volute tongue extending part 61 and the rotating shaft of the cross flow fan 4 are the same, the air passing through the cross flow fan 4 can reach the air outlet 112 through the drainage of the volute tongue extending part 61, therefore, the air speed and the noise can be kept within a normal range, the stable operation of the cross flow fan 4 is guaranteed, and the noise of the ceiling indoor unit 100 is reduced.

The volute tongue extending portion 61 comprises a first volute tongue plate 611 and a second volute tongue plate 612 which are arranged in an angle mode, the shape of the first volute tongue plate 611 is matched with the shape of the outer side face of the cross flow fan 4 to guide airflow passing through the cross flow fan 4 to flow, the angle of wind blown out of the cross flow fan 4 is matched with the extending angle of the first volute tongue plate 611, the wind can flow to the air outlet 112 along the surface of the first volute tongue plate 611 regularly, wind resistance is reduced, and the probability that the flow of the wind out of the cross flow fan 4 is blocked by the volute tongue extending portion 61 is reduced.

The mounting part 62 is fixedly connected with the volute tongue extending part 61, the mounting part 62 comprises a curved surface accommodating cavity 621, at least part of the cross-flow fan 4 is positioned in the curved surface accommodating cavity 621, one end of the mounting part 62, which is far away from the bottom panel 11, is fixedly connected with the mounting cover 5 through a buckle 622, one end of the mounting part 62, which is close to the bottom panel 11, is fixedly connected with the mounting cover 5 through a screw, so that the relative position between the first volute tongue 6 and the cross-flow fan 4 is kept fixed, a preset distance is kept between the cross-flow fan 4 and the first volute tongue 6, the cross-flow fan 4 can stably run, the probability of the situation that the wind speed of the cross-flow fan 4 rises due to the reduction of the distance and the noise is increased due to the rise of the wind speed of the cross-flow fan 4 is reduced, the probability of the situation that the wind is sucked into the ceiling indoor unit 100 from a return air inlet is also reduced, the wind speed of the cross-flow fan 4 is kept in the normal running range, and the noise of the ceiling indoor unit 100 is also reduced.

The first volute tongue 6 and the cross flow fan 4 keep a preset fixed distance, the first volute tongue 6 comprises an installation part 62, the installation part 62 is fixedly connected with a volute tongue extending part 61, and the installation part 62 is fixedly connected with the installation cover 5 through a screw and a buckle 622, so that the fixed distance between the first volute tongue 6 and the cross flow fan 4 cannot be changed along with long-time use of the indoor unit 100 of the ceiling.

In the prior art, the front volute tongue is arranged on the water receiving tray 3, the water receiving tray 3 is a component with a large volume, and has large processing error and installation error, so that the distance between the front volute tongue and the cross-flow fan 4 cannot be kept at a preset value, the water receiving tray 3 is easy to deform due to alternate cooling and heating, and the distance between the front volute tongue and the cross-flow fan 4 can be influenced.

Compared with the prior art, the first volute tongue 6 and the front volute tongue have the same effect, but the first volute tongue 6 and the water pan 3 are arranged separately, so that the deviation between the distance between the first volute tongue 6 and the cross-flow fan 4 and a preset value cannot be caused due to machining errors and installation errors of the water pan 3, the distance between the first volute tongue 6 and the cross-flow fan 4 is always kept at the preset value, the wind speed of the cross-flow fan 4 cannot be changed due to distance change, and the noise of the indoor unit 100 of the ceiling cannot be increased due to distance change.

In the prior art, the ceiling indoor unit 100 is further provided with a rear volute tongue near the cross-flow fan 4, the rear volute tongue has a similar function as the front volute tongue, the rear volute tongue is arranged on the mounting cover 5, and the mounting cover 5 is a large-size component, so that a large processing error exists in the production process, and the rear volute tongue and the cross-flow fan 4 cannot be kept at a preset distance during mounting.

Compared with the prior art, the structure of the rear volute tongue is omitted, only the first volute tongue 6 close to the bottom panel 11 is arranged, and a rear volute tongue part is not required to be arranged. The distance between the first volute tongue 6 and the cross flow fan 4 is fixed, so that air passing through the cross flow fan 4 is guided to the air outlet 112, the air speed of the cross flow fan 4 is kept to operate within a normal range, the noise generated when the cross flow fan 4 operates is not increased, compared with the technical scheme that the rear volute tongue is arranged on the mounting cover 5 in the prior art, the first volute tongue 6 and the mounting cover 5 in the technical scheme are formed in a split mode, and the distance between the first volute tongue 6 and the mounting cover 5 cannot be changed due to machining errors of the mounting cover 5.

In the prior art, because the distance between the front volute tongue and the cross-flow fan 4 and the distance between the rear volute tongue and the cross-flow fan 4 are easy to change, and the resistance of the airflow flowing through the cross-flow fan 4 is increased, in order to keep the normal operation of the cross-flow fan 4 and prevent the excessive operation noise in the prior art, the cross-flow fan 4 is usually kept to operate at a lower wind speed, so that the refrigerating capacity of the ceiling indoor unit 100 is limited by the wind speed, the common ceiling indoor unit 100 is a box body with a smaller size, and the refrigerating capacity is below 5000W. Even though some ceiling indoor units 100 are rated at 7200W, the maximum air quantity can be kept at 1000m ³ The ceiling indoor unit 100 can only be set as a multi-split machine or a two-stage energy efficiency unit machine, cannot be set as the ceiling indoor unit 100 with higher cooling capacity, and cannot meet the use requirement of a user on the ceiling indoor unit 100 with high cooling capacity. The first volute tongue 6 in this application functions as the front volute tongue andthe rear volute tongue has the effect of fixing the relative positions of the first volute tongue 6 and the cross-flow fan 4 through the fixed connection of the first volute tongue 6 and the mounting cover 5, the operation noise of the ceiling indoor unit 100 cannot be increased due to the change of the distance between the first volute tongue 6 and the cross-flow fan 4, and the distance between the first volute tongue 6 and the cross-flow fan 4 cannot be changed under the operation of high wind speed. Consequently the small ceiling indoor unit 100 of this application can operate with higher wind speed to make the small ceiling indoor unit 100 of this application can provide higher refrigerating output and give indoor environment, satisfy the user to the small ceiling indoor unit 100's of high refrigerating output demand.

In some embodiments of the present application, the volute tongue extension 61 is integrally formed with the mounting portion 62; the mounting part 62 comprises a connecting port 624 facing the volute tongue extension 61, the shape of the connecting port 624 is matched with that of the volute tongue extension 61, and the first volute tongue plate 611 and the second volute tongue plate 612 are respectively connected inside the connecting port 624.

The connecting port 624 and the volute tongue extension 61 are also integrally formed, so that the connecting port 624 is tightly attached to the volute tongue extension 61, and the connecting port 624 can provide enough supporting force for the volute tongue extension 61 to support the volute tongue extension 61, so that a preset distance is always kept between the volute tongue extension 61 and the cross-flow fan 4. In the process of using the ceiling indoor unit 100 for a long time, the volute tongue extending part 61 can receive stable supporting force of the volute tongue extending part 61, and the distance between the volute tongue extending part 61 and the cross flow fan 4 is not changed due to wind force blown by the cross flow fan 4.

In some embodiments of the present application, the cabinet 1 includes a first cabinet sidewall 12 disposed opposite to the bottom panel 11, and a height direction of the cabinet 1 between the first cabinet sidewall 12 and the bottom panel 11 is a first direction.

The second tongue plate 612 extends along the first direction, both the second tongue plate 612 and the first tongue plate 611 are strip-shaped plates, and the extension lengths of the first tongue plate 611 and the second tongue plate 612 along the direction of the rotation axis of the cross flow fan 4 are the same, so that the first tongue plate 611 can always receive the supporting force of the second tongue plate 612.

The end of the first tongue plate 611 is connected with the end of the second tongue plate 612 close to the cross flow fan 4, so that the second tongue plate 612 provides a supporting force for the first tongue plate 611 towards the first casing side wall 12, the first tongue plate 611 is stably supported at the upper end of the second tongue plate 612, and because the first tongue plate 611 is matched with the outer surface of the cross flow fan 4 in shape, the first tongue plate 611 is subjected to a stable supporting force, so that the distance between the cross flow fan 4 and the first tongue plate 611 is not changed, and thus the airflow blown out from the cross flow fan 4 flows through the surface of the first tongue plate 611 to be blown to the air outlet 112, the distance between the cross flow fan 4 and the first tongue plate 611 is always kept in a preset optimal state, and the air speed of the cross flow fan 4 is kept in a normal range without increasing noise.

In some embodiments of the present application, the direction of the rotational axis of the crossflow fan 4 is the second direction. The extension length of the volute tongue extension part 61 in the second direction is greater than that of the mounting part 62 in the second direction, and the mounting part 62 is connected to the middle position of the volute tongue extension part 61, so that the volute tongue extension part 61 is balanced in stress.

When the volute tongue extension 61 is blown by the airflow of the cross flow fan 4, the mounting part 62 connected to the middle of the volute tongue extension 61 applies a supporting force to the volute tongue extension 61 to keep the two ends of the volute tongue extension 61 balanced, so that the volute tongue extension 61 and the cross flow fan 4 are relatively fixed, and the volute tongue extension 61 stably plays a role in guiding the flow.

In some embodiments of the present application, the first tongue plate 611 has a first end connected to the second tongue plate 612 and a second end extending toward the heat exchanger 2, and further includes a first extension plate 6113.

The first extension plate 6113 is connected to the second end and extends toward the bottom panel 11, the first extension plate 6113 is limited at a side of the water pan 3 close to the heat exchanger 2, so that the first extension plate 6113 is blocked by the water pan 3 and cannot move toward the direction of the second tongue plate 612, and thus the position of the second end connected to the first extension plate 6113 is limited, and the first end and the second end of the first tongue plate 611 are respectively limited, so that a fixed distance is maintained between the first tongue plate 611 and the cross flow fan 4.

The water collector 3 includes the 3 bottom surfaces of water collector parallel with bottom panel 11, still including the 3 lateral walls of water collector of connection in the edge of 3 bottom surfaces of water collector, and 3 lateral walls of water collector extend towards first casing lateral wall 12, and 3 lateral walls of water collector extend along upper and lower direction promptly. A water storage space for containing condensed water is formed between the bottom surface of the water receiving tray 3 and the side wall of the water receiving tray 3, and the condensed water flowing down from the surface of the heat exchanger 2 falls into the water storage space.

The side wall of the water pan 3 comprises a first water pan side wall 31 which is located between the bottom of the heat exchanger 2 and the cross flow fan 4 and extends along the second direction, a first extension plate 6113 is arranged on one side, close to the heat exchanger 2, of the first water pan side wall 31, and the first extension plate 6113 extends into the water storage space. When the first extension plate 6113 moves toward the second tongue plate 612, the first drip tray sidewall 31 can block the first extension plate 6113 from moving.

It should be noted that a first gap 32 is provided between the first extension plate 6113 and the first water pan side wall 31, the ceiling indoor unit 100 further includes a foam and/or a sponge, and the foam and/or the sponge is filled between the first gaps 32, so that the foam and/or the sponge seals the first gap 32. The water pan 3 does not need to maintain a high-precision manufacturing level, and even if the water pan 3 deforms, has manufacturing errors and assembling errors, the position of the first extension plate 6113 cannot be changed due to the fact that the first extension plate 6113 is not in direct contact with the first water pan side wall 31, and the distance between the volute tongue extension part 61 and the through-flow air duct is not affected.

According to the technical scheme of arranging the front volute tongue on the water pan 3 in the prior art, the position of the front volute tongue is easily affected greatly due to manufacturing errors, assembly errors and deformation of the water pan 3, so that the distance between the front volute tongue and the cross-flow fan 4 is changed, and the wind speed and the noise of the cross-flow fan 4 are greatly affected. The water collector 3 does not need high-precision processing in the application, the production cost is reduced, the assembly also allows errors to occur, the assembly time is reduced, the deformation of the water collector 3 does not influence the position of the first extension plate 6113, the position of the first tongue snail plate 611 connected with the first extension plate 6113 is not influenced, and the improvement is obvious in comparison with the prior art.

In some embodiments of the present application, the second tongue plate 612 is disposed on a side of the rotation axis of the cross flow fan 4 away from the heat exchanger 2, a first end of the first tongue plate 611 is connected to an upper end of the second tongue plate 612, a second end of the first tongue plate 611 extends toward the water collector 3, and a height of the first end of the first tongue plate 611 is higher than a height of the second end of the first tongue plate 611, so as to match a shape of the cross flow fan 4 close to an outer peripheral side of the first tongue plate 611, so that wind blown by the cross flow fan 4 flows upward from the second end to the first end, so that wind energy of the cross flow fan 4 can flow in a direction similar to an original flow direction, and wind resistance is reduced.

In some embodiments of the present application, the curved receiving cavity 621 is disposed on a side of the cross flow fan 4 away from the heat exchanger 2, and the shape and size of the curved receiving cavity 621 and the shape and size of the cross flow fan 4 are matched to enable the cross flow fan 4 to rotate in the curved receiving cavity 621, so that the wind blown out from the cross flow fan 4 flows along the surface of the curved receiving cavity 621 to reduce the wind resistance of the wind flowing in the curved receiving cavity 621.

In some embodiments of the present application, the mounting portion 62 includes a first curved surface close to the cross flow fan 4 and a second curved surface far from the cross flow fan 4, the first curved surface forming the curved surface accommodating cavity 621, and the second curved surface being capable of reducing wind resistance of wind flowing out of the cross flow fan 4 when flowing through the second curved surface.

In some embodiments of the present application, the mounting portion 62 includes at least two curved panels 625 and connecting ribs 626, the connecting ribs 626 are connected between the two curved panels 625, the curved panels 625 have a first curved edge 6251 near the cross flow fan 4 and a second curved edge 6252 away from the first cross flow fan 4, the first curved edge 6251 and the second curved edge 6252 have an included angle therebetween, and the curvature of the first curved edge 6251 is greater than the curvature of the second curved edge 6252.

It should be noted that, two curved panels 625 are provided, and the two curved panels 625 are connected by the connecting rib 626, which is beneficial to improving the supporting strength of the two curved panels 625, so that the mounting portion 62 can be stably fixed on the mounting cover 5, and the probability of separation between the mounting portion 62 and the mounting cover 5 is reduced.

In some embodiments of the present application, the mounting portion 62 further includes a screw mounting plate 627 connected to one end of the curved panel 625 and the connecting rib 626, which is close to the bottom panel 11, wherein a first screw hole 6271 is provided on the screw mounting plate 627, the mounting cover 5 is provided with a second screw hole 51 matched with the first screw hole 6271, and a screw is inserted into the first screw hole 6271 and the second screw hole 51 to fixedly connect the mounting portion 62 with the mounting cover 5, so that the mounting portion 62 is stably connected with the mounting cover 5, and the volute tongue extension portion 61 connected with the mounting portion 62 can be stably connected with the mounting cover 5, thereby keeping the relative position between the volute tongue extension portion and the cross flow fan 4 fixed.

In some embodiments of the present application, the tongue extension 61 includes a plurality of ribs attached to the side of the tongue extension 61 near the bottom panel 11, the ribs may be arranged along the side of the tongue extension 61,

the reinforcing ribs can also be arranged along the up-down direction, so that the reinforcing ribs can provide supporting force for the volute tongue extension part 61 towards the first case side wall 12, the strength of the volute tongue extension part 61 is increased, and the volute tongue extension part is less prone to deformation, the size of the volute tongue extension part 61 is kept unchanged, the straight side edge of the volute tongue extension part 61 is not distorted, the volute tongue extension part 61 and the cross flow fan 4 are kept relatively fixed, meanwhile, the distance between the volute tongue extension part 61 and the cross flow fan 4 is kept uniform, and noise is reduced.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a ceiling indoor unit of single face air-out which characterized in that includes:

the heat exchanger comprises a shell, a heat exchange cavity is formed inside the shell, and the shell comprises a bottom panel provided with an air inlet and an air outlet;

the heat exchanger is arranged in the heat exchange cavity and releases cold energy to the airflow entering the heat exchange cavity from the air inlet;

the water receiving tray is arranged in the shell, is positioned on one side of the heat exchanger close to the bottom panel and is used for receiving condensed water on the surface of the heat exchanger;

the cross-flow fan is arranged in the shell and correspondingly arranged at the air outlet, is arranged on the leeward side of the heat exchanger and rotates to form low pressure to drive air flow to enter the heat exchange cavity from the air inlet and then blow out from the air outlet;

a mounting cover provided on a side of the heat exchanger and the cross flow fan away from the bottom panel;

a first volute tongue disposed between the mounting cover and the bottom panel and located on a side of the cross-flow fan away from the heat exchanger, the first volute tongue comprising:

the volute tongue extension part is in a long strip shape and extends along the direction of a rotating shaft of the cross flow fan, the volute tongue comprises a first volute tongue plate and a second volute tongue plate which are arranged in an angle mode, and the shape of the first volute tongue plate is matched with the shape of the outer side face of the cross flow fan so that airflow passing through the cross flow fan flows close to the first volute tongue plate;

the installation department, its with volute tongue extension fixed connection, the installation department includes the curved surface and holds the chamber, the at least partial being located of cross-flow fan the curved surface holds the intracavity, keeping away from of installation department pass through buckle fixed connection between one end of bottom panel and the installation cover, being close to of installation department pass through screw fixed connection between one end of bottom panel and the installation cover, so that first volute tongue with relative position between the cross-flow fan keeps fixed.

2. The ceiling indoor unit with single-sided air outlet according to claim 1, wherein the volute tongue extension part is integrally formed with the mounting part; the mounting part comprises a connecting port facing the volute tongue extending part, the shape of the connecting port is matched with that of the volute tongue extending part, and the first volute tongue plate and the second volute tongue plate are connected to the inside of the connecting port respectively.

3. The ceiling indoor unit with single-sided air outlet according to claim 1, wherein the casing includes a first casing side wall disposed opposite to the bottom panel, and a height direction of the casing between the first casing side wall and the bottom panel is a first direction; the second volute tongue plate extends along a first direction, and the extension lengths of the first volute tongue plate and the second volute tongue plate along the direction of a rotating shaft of the cross flow fan are the same;

the end part of the first volute tongue plate is connected with the end part of the second volute tongue plate close to the cross flow fan, so that the second volute tongue plate provides supporting force for the first volute tongue plate towards the side wall of the first machine shell.

4. The ceiling indoor unit with single-sided air outlet according to claim 1, wherein the direction of the rotating shaft of the cross flow fan is a second direction;

the extension length of the volute tongue extension part along the second direction is greater than that of the mounting part along the second direction, and the mounting part is connected to the middle position of the volute tongue extension part, so that the volute tongue extension part is balanced in stress.

5. The single-face air-out ceiling indoor unit according to claim 1, wherein the first volute tongue plate is provided with a first end connected with the second volute tongue plate and a second end extending towards the heat exchanger, and further comprises a first extending plate connected with the second end and extending towards the bottom panel;

the water pan comprises a first water pan side wall which is located between the bottom of the heat exchanger and the cross-flow fan and extends along a second direction, the first extending plate is arranged on one side, close to the heat exchanger, of the first water pan side wall, and the first extending plate extends to the inside of the water pan.

6. The ceiling indoor unit with the single air outlet side as claimed in claim 5, wherein a first gap is arranged between the first extending plate and the first water pan side wall, the ceiling indoor unit further comprises a sponge and/or a foam, and the foam and/or the sponge is filled between the first gaps, so that the foam and/or the sponge seals the first gap.

7. The single-face air-out ceiling indoor unit according to claim 1, wherein the curved surface accommodating cavity is formed in one side, away from the heat exchanger, of the cross flow fan, and the shape and the size of the curved surface accommodating cavity are matched with those of the cross flow fan, so that the cross flow fan can rotate in the curved surface accommodating cavity.

8. The ceiling indoor unit with single-sided air outlet according to claim 3, wherein the volute tongue extension portion comprises a plurality of reinforcing ribs arranged at intervals, the reinforcing ribs extend along the first direction, one end of each reinforcing rib is connected to the side face, close to the bottom panel, of the volute tongue extension portion, and the other end of each reinforcing rib is connected to the bottom panel.

9. The indoor unit of the ceiling fan with the single air outlet according to claim 1, wherein the mounting portion comprises at least two curved panels and connecting rib plates, the connecting rib plates are connected between the two curved panels, the curved panels are provided with a first arc-shaped edge close to the cross flow fan and a second arc-shaped edge far away from the cross flow fan, an included angle is formed between the first arc-shaped edge and the second arc-shaped edge, and the radian of the first arc-shaped edge is larger than that of the second arc-shaped edge.

10. The indoor unit of the ceiling with single air outlet side of claim 9, wherein the mounting portion further comprises a screw mounting plate connected to one end of the curved panel and the connecting rib plate close to the bottom panel, a first screw hole is formed in the screw mounting plate, a second screw hole is formed in the mounting cover and matched with the first screw hole in position, and a screw penetrates through the first screw hole and the second screw hole to enable the mounting portion and the mounting cover to be fixedly connected.

Images