CN106403134A - Ceiling machine and control method thereof - Google Patents

Abstract

The invention discloses a ceiling machine and a control method thereof, wherein the ceiling machine includes: a housing having a main air inlet, a plurality of main air outlets, and a main air duct connecting the main air inlets and the main air outlets; Multiple air suction parts and air guide parts, the air guide part is detachably connected to the housing, the air suction part extends from the air guide part to the main air outlet, and the air guide has auxiliary air inlets, auxiliary air outlets and connected auxiliary air inlets The auxiliary air duct connected with the auxiliary air outlet, the auxiliary air inlet is connected with the main air duct; the airflow driving device is used to drive the air flow from the auxiliary air inlet into the auxiliary air duct. In the technical solution of the present invention, through the setting of the auxiliary air duct system, the direction of the airflow is changed under the action of air pressure, avoiding the extrusion and friction between the airflow and the entity, thereby greatly reducing the energy consumption of the airflow during the direction change process, Therefore, it is beneficial to increase the air volume and maintain the wind speed, and it is beneficial for the user to send the airflow to a designated location far away.

Description

Ceiling machine and its control method

technical field

The invention relates to the technical field of air conditioning, in particular to a ceiling machine and a control method thereof.

Background technique

In order to send the wind to the area designated by the user accurately, the existing air conditioners are all provided with air deflectors. The wind deflector is set at an angle between its surface and the flow direction of the wind to forcibly change the flow direction of the wind. Due to the existence of the wind deflector, the resistance of the wind flow is increased, the air volume is lost, and it is not conducive to the long-distance transmission of the wind.

Contents of the invention

The main purpose of the present invention is to provide a ceiling fan, which aims to reduce the resistance of wind flow, so as to increase the wind speed and air volume of the air supply of the air conditioner.

In order to achieve the above object, the ceiling machine proposed by the present invention includes:

The housing has a main air inlet, a plurality of main air outlets, and a main air duct connecting the main air inlets and main air outlets;

The air guide includes a plurality of air suction parts and a flow guide part, the air guide part is detachably connected to the housing, the air suction part extends from the air guide part to the main air outlet, and The deflector has an auxiliary air inlet, an auxiliary air outlet, and an auxiliary air duct communicating with the auxiliary air inlet and the auxiliary air outlet, and the auxiliary air inlet communicates with the main air duct;

The airflow driving device is used to drive airflow from the auxiliary air inlet into the auxiliary air duct.

Preferably, the auxiliary air inlet is opened along the length direction of the suction part, and the auxiliary air inlet is arranged toward the main air outlet.

Preferably, the air guide part is arranged in an annular shape, and the auxiliary air outlet is arranged in an annular shape along the air guide part.

Preferably, the air guide part is arranged in a ring shape, the number of the auxiliary air outlets is multiple, and the plurality of auxiliary air outlets are evenly opened on the air guide part.

Preferably, the air guide part is arranged in a rectangular shape, the housing has an annular installation groove, and the air guide part is installed in the installation groove.

Preferably, the number of the auxiliary air outlets is four, which are respectively arranged at four corners of the air guiding part.

Preferably, the airflow driving device includes a plurality of centrifugal fans, and at least one centrifugal fan is provided corresponding to each of the secondary air outlets.

Preferably, the suction part has a suction chamber, and the auxiliary air inlet is opened on the suction part and communicates with the suction chamber;

The guide part has a guide cavity, the auxiliary air outlet is opened on the guide part and communicates with the guide cavity, and the guide cavity communicates with the suction cavity to form the secondary air outlet. road.

Preferably, several baffles are arranged in the flow guide cavity to separate the flow guide cavity into several mutually independent sub-cavities, and the air flow driving device includes a plurality of centrifugal fans, each of the sub-cavities The cavity has at least one centrifugal fan correspondingly arranged therewith.

Preferably, the auxiliary air duct includes four sub-auxiliary air ducts, and each sub-auxiliary air duct is formed by connecting one of the sub-chambers with the independent suction chamber, and the four sub-auxiliary air ducts are respectively distributed in the main Front auxiliary air duct, rear auxiliary air duct, left auxiliary air duct and right auxiliary air duct in the front, rear, left and right directions of the air duct.

The present invention further provides a control method for a ceiling machine. The ceiling machine has a main air duct and an auxiliary air duct connected to the main air duct, and a centrifugal fan is provided corresponding to the auxiliary air duct. The control method for the ceiling machine includes the following steps :

Judging whether the command currently received is an air guidance command;

If so, turn on the centrifugal fan to form a negative pressure at the connection between the main air duct and the auxiliary air duct.

Preferably, the auxiliary air duct includes a front auxiliary air duct, a rear auxiliary air duct, a left auxiliary air duct and a right auxiliary air duct, and each auxiliary air duct is correspondingly provided with a centrifugal fan;

The step of turning on the centrifugal fan includes:

Turn on one or more of the centrifugal fans corresponding to the front auxiliary air duct, the rear auxiliary air duct, the left auxiliary air duct and the right auxiliary air duct.

In the technical solution of the present invention, when the airflow driving device is turned on, the auxiliary air duct system sucks air from the position of the auxiliary air inlet, so that the position of the main air outlet corresponding to the auxiliary air inlet forms a certain negative pressure, and under the action of air pressure, The wind direction at the main air outlet is changed, so that the airflow in the main air duct deviates towards the direction with lower air pressure, that is, it deviates from the front direction to one side, so as to achieve the purpose of adjusting the air outlet direction; by adjusting the power of the airflow drive device , can adjust the size of the negative pressure, thereby adjusting the size of the wind direction deviation, that is, adjust the direction of the wind; through the negative pressure guide, the direction of the airflow is changed under the action of the air pressure, avoiding the extrusion and friction between the airflow and the entity , thereby greatly reducing the energy consumption of the airflow during the direction change process, which is conducive to increasing the air volume, maintaining the wind speed, and helping the user to send the airflow to a designated location farther away. At the same time, compared with the wind deflector, the Not limited by the rotation angle of the wind deflector, the wind deflecting range in the present invention is greatly increased.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative effort.

Fig. 1 is the structural representation of an embodiment of ceiling machine of the present invention;

Fig. 2 is a schematic diagram of an explosion structure at an angle in Fig. 1;

Fig. 3 is a schematic diagram of the explosion structure from another angle in Fig. 1;

Fig. 4 is the schematic structural view of the deflector of ceiling machine of the present invention;

FIG. 5 is a schematic cross-sectional structure diagram at A-A in FIG. 4 .

Explanation of reference numbers:

label name label name 100 case 110 main air inlet 120 main air outlet 200 deflector 210 Suction part 220 Diversion 230 Auxiliary air inlet 240 Auxiliary outlet 300 air drive

The realization of the purpose of the present invention, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.

In addition, the descriptions involving "first", "second" and so on in the present invention are only for descriptive purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , nor within the scope of protection required by the present invention.

An air conditioner generally includes an indoor unit and an outdoor unit, wherein the indoor unit generally includes a casing, a heat exchanger assembly, an air supply assembly, and an air guide assembly, wherein the casing has an air inlet, an air outlet, and an air outlet located between the air inlet and the air outlet. In the air channel between, the heat exchange component and the air supply component are arranged in the air channel, and the air guiding component is arranged in the air channel or at the air outlet. Wherein, the heat exchange assembly includes a heat exchanger and a bracket for installing the heat exchanger in the air duct, and the heat exchanger is connected to the refrigerant circulation system of the air conditioner. The air supply assembly includes a wind wheel (cross-flow wind wheel or axial flow wind wheel), a driving motor for driving the wind wheel, and in some embodiments, a transmission device that transmits the drive of the motor to the wind wheel. The wind deflector assembly includes a wind deflector, a swing blade, and a drive motor for driving the wind deflector and the swing blade, wherein the swing of the wind deflector realizes wind guidance up and down, and the swing of the swing blade realizes left and right wind guidance. Of course, in some embodiments, The air deflector and the swing blade can be coupled to supply air, that is, to supply air from up and down and from left to right at the same time. The shape of the housing can be similar to a cuboid (such as a traditional wall-mounted air-conditioning indoor unit), cylindrical (such as an air-conditioning cabinet), or spherical (such as a wall-mounted spherical air-conditioning indoor unit). In this application, a square ceiling machine is mainly provided to realize negative pressure air guidance in the secondary air duct.

The specific structure of the ceiling machine will be mainly described below.

Referring to Figures 1 to 5, in an embodiment of the present invention, the ceiling machine includes:

The casing 100 has a main air inlet 110, a plurality of main air outlets 120, and a main air duct connecting the main air inlet 110 and the main air outlet 120;

The air guide 200 includes a plurality of air suction parts 210 and air guide parts 220, the air guide parts 220 are detachably connected to the housing 100, and the air suction parts 210 extend from the air guide parts 220 to the At the main air outlet 120, the air guide 200 has a secondary air inlet 230, a secondary air outlet 240, and a secondary air duct connecting the secondary air inlet 230 and the secondary air outlet 240, and the secondary air inlet 230 is connected to the secondary air outlet. The main air duct is connected;

The airflow driving device 300 is used to drive airflow from the auxiliary air inlet 230 into the auxiliary air channel.

Specifically, in this embodiment, the casing 100 is arranged in a pseudo-cuboid shape, and the pseudo-cuboid shape has a small number of protruding or concave parts according to actual needs on the basis of the cuboid shape. In this embodiment, a flat cuboid is taken as an example. The main air inlet 110 is set on the side of the casing 100 facing the user, of course, in some embodiments, it can also be set on the side or top of the casing 100 . The smallpox machine has air in the middle and air out around it. That is, the main air inlet 110 is arranged in the center, and the main air outlets 120 are respectively distributed in front, rear, left and right. The main air outlet 120 is opened on the surface of the casing 100 facing the user, and is arranged in a rectangular shape.

The deflector 200 is used to form a negative pressure at the main air outlet 120 . The deflector 200 is arranged corresponding to the main air outlet 120 , and can be arranged inside the main air outlet 120 , or can be arranged on a side of the main air outlet 120 , and of course, can also abut against the side wall of the main air outlet 120 . The auxiliary air inlet 230 communicates with the main air outlet 120 , so that the airflow at the main air outlet 120 can enter the auxiliary air duct from the auxiliary air inlet 230 . The auxiliary air outlet 240 can be connected with the main air duct to discharge the air in the auxiliary air duct into the main air duct. The auxiliary air outlet 240 can also be arranged outside the housing 100 to discharge the air in the auxiliary air duct to the ceiling unit.

The airflow driving device 300 is a driving device for driving airflow such as a centrifugal blower or a fan. The airflow driving device 300 is arranged in the auxiliary air duct or corresponding to the auxiliary air outlet 240 , so that part of the air flow in the main air duct enters the auxiliary air duct from the auxiliary air inlet 230 , and at the same time discharges the air flow in the auxiliary air duct from the auxiliary air outlet 240 .

When the airflow driving device 300 is turned on, the auxiliary air duct system sucks air from the position of the auxiliary air inlet 230, so that the position of the main air outlet 120 corresponding to the auxiliary air inlet 230 forms a certain negative pressure. The wind direction at the tuyere 120 is changed, so that the airflow in the main air duct deviates towards the direction with less air pressure, that is, deviates from the front direction to one side, so as to achieve the purpose of adjusting the air outlet direction; by adjusting the power of the airflow drive device 300 , can adjust the size of the negative pressure, thereby adjusting the size of the wind direction deviation, that is, adjust the direction of the wind; through the negative pressure guide, the direction of the airflow is changed under the action of the air pressure, avoiding the extrusion and friction between the airflow and the entity , thereby greatly reducing the energy consumption of the airflow during the direction change process, which is conducive to increasing the air volume, maintaining the wind speed, and helping the user to send the airflow to a designated location farther away. At the same time, compared with the wind deflector, the Not limited by the rotation angle of the wind deflector, the wind deflecting range in the present invention is greatly increased.

In order to improve the air guiding effect of the auxiliary air duct system, the auxiliary air inlet 230 is opened along the length direction of the air suction portion 210 , and the auxiliary air inlet 230 is disposed toward the main air outlet 120 . In this embodiment, by extending the auxiliary air inlet 230 along the length direction of the air suction part 210, the air flow can enter the auxiliary air channel along the length direction of the main air outlet 120 under the action of the air flow driving device 300, so that due to The negative pressure area formed by suction is arranged along the length of the main air outlet 120, so that the airflow flowing out of the main air outlet 120 can be affected by the negative pressure, so that the guidance of the airflow is more prepared and comprehensive, which is conducive to improving the auxiliary air duct. The wind guiding effect of the system.

In order to guide the air flow more uniformly, the air guide part 220 is arranged in a ring shape, and the secondary air outlet 240 is arranged in a ring shape along the air guide part 220 . In this embodiment, the auxiliary air outlet 240 is opened along the inner wall of the annular air suction portion 210 so that when passing through the area surrounded by the air suction portion 210 , it flows toward the negative pressure area of the auxiliary air inlet 230 to guide the wind. By setting the auxiliary air outlet 240 in a ring shape, the air flow in the auxiliary air channel can be evenly discharged, so as to improve the stability of the air flow in the auxiliary air channel. In order to improve the air exhaust efficiency of the auxiliary air duct system, the guide part 220 is arranged in a ring shape, and the number of the auxiliary air outlets 240 is multiple, and the plurality of auxiliary air outlets 240 are evenly opened in the guide part 220 on.

In order to improve the installation stability of the air guide part, the air guide part is arranged in a rectangular shape, the housing 100 has an annular installation groove, and the air guide part is installed in the installation groove. The shape and size of the installation groove are adapted to the shape and size of the air guide part, so that the air guide part can be stably installed therein. Of course, in some embodiments, the air guide part may also be fixed to the back of the housing 100 by screws or buckles, and the air outlet direction of the centrifugal fan is set away from the housing 100 .

In order to better discharge the gas in the auxiliary air duct, the number of the auxiliary air outlets 240 is four, which are respectively arranged on the four corners of the air guiding part 220 . The four secondary air outlets 240 divide the air guiding part 220 into four sections, that is, four sub-air guiding units, and each sub-air guiding unit is connected with the air suction part 210 .

For accurate air guidance, the airflow driving device 300 includes a plurality of centrifugal fans, and each of the auxiliary air outlets 240 is provided with at least one centrifugal fan. Each sub-air guide unit corresponds to a secondary air outlet 240, corresponds to a suction part 210, and corresponds to one or more centrifugal fans, so that the suction and exhaust of the secondary air duct are independent of each other and evenly distributed.

In order to discharge the airflow in the secondary air duct to a designated position, the suction part 210 has a suction cavity, and the secondary air inlet 230 is opened on the suction part 210 and communicated with the suction cavity;

The guide part 220 has a guide chamber, the secondary air outlet 240 is opened on the guide part 220 and communicates with the guide chamber, and the guide chamber communicates with the suction chamber to form the air guide chamber. Describe the auxiliary air duct.

Specifically, in this embodiment, the shape of the air suction cavity is not limited here, and the cross-section can be circular, square, polygonal, etc., as long as the air flow from the main air outlet 120 through the auxiliary air inlet 230 enters the auxiliary air passage It can enter the diversion cavity through the suction cavity. Similarly, the shape of the diversion chamber is not particularly limited here, and its cross section is taken as a square or a circle as an example. The air flows out from the main air duct, and when it enters the main air outlet 120, part of the air is sucked into the air suction chamber by the air suction port, and then guided by the guide chamber to flow to a designated position. Through the arrangement of the suction chamber and the guide chamber, the airflow sucked in from the main air outlet 120 can be conveniently guided to a designated position, which is beneficial to the discharge of the airflow in the secondary air duct.

In order to improve the accuracy of air diversion in the auxiliary air duct system, several flow partitions are arranged in the air guide chamber to separate the air guide chamber to form several mutually independent sub-cavities. The airflow driving device 300 includes A plurality of centrifugal fans, each of the sub-chambers has at least one centrifugal fan corresponding to it.

Specifically, in this embodiment, the sub-air ducts are formed by connecting the sub-chambers with the air suction chamber, so that each air suction part 210 corresponds to a sub-air duct, that is, the air guide 200 has several independent sub-air ducts. . Since the sub-sub-air ducts are independent of each other, each sub-sub-air duct corresponds to an air guide area, that is, the air guide 200 has a plurality of mutually independent air guide areas, so that the air guide 200 can control the main air outlet 120. The airflow guides the wind in multiple directions, which is beneficial to improve the accuracy of the wind guide.

In order to guide the air more accurately, the auxiliary air duct includes four sub-air ducts, each of which is formed by connecting a sub-cavity with an independent suction chamber, and the four sub-air ducts are respectively distributed A front auxiliary air duct, a rear auxiliary air duct, a left auxiliary air duct and a right auxiliary air duct are located in front, rear, left and right directions of the main air duct. By setting auxiliary air ducts in the front, rear, left and right directions of the air suction part 210, the front auxiliary air duct, the rear auxiliary air duct, the left auxiliary air duct and the right auxiliary air duct can respectively support the air suction part 210. The front, rear, left, and right directions of the air guide are carried out.

The present invention further provides a control method for a ceiling machine. The ceiling machine has a main air duct and an auxiliary air duct connected to the main air duct, and a centrifugal fan is arranged corresponding to the auxiliary air duct. The control method for the ceiling machine includes the following steps:

Judging whether the command currently received is an air guidance command;

The control module of the air conditioner receives the control command, and compares the received command with the command table pre-stored in the controller to determine whether the currently received command is an air guide command. Of course, it may also be determined according to the signal strength whether the received command is an air guide control command.

If so, turn on the centrifugal fan to form a negative pressure at the connection between the main air duct and the auxiliary air duct.

The control module of the air conditioner receives the control command, and compares the received command with the command table pre-stored in the controller to determine whether the currently received command is an air guide command. Of course, it may also be determined according to the signal strength whether the received command is an air guide control command.

For better air guiding of the air conditioner, the auxiliary air duct includes a front auxiliary air duct, a rear auxiliary air duct, a left auxiliary air duct and a right auxiliary air duct, and each auxiliary air duct is correspondingly provided with a centrifugal fan;

The step of turning on the centrifugal fan includes:

Turn on one or more of the centrifugal fans corresponding to the front auxiliary air duct, the rear auxiliary air duct, the left auxiliary air duct and the right auxiliary air duct.

In this embodiment, it is possible to turn on the centrifugal fan corresponding to the front auxiliary air duct, or turn on the centrifugal fan corresponding to the rear auxiliary air duct, or turn on the centrifugal fan corresponding to the left auxiliary air duct, or turn on the centrifugal fan corresponding to the The centrifugal fan corresponding to the right auxiliary air duct, or multiple centrifugal fans corresponding to the front, rear, left or right auxiliary air duct can be turned on at the same time, that is, the position of the air guide and the number of air guide parts can be selected according to actual needs. It is beneficial for the user to obtain a more accurate air supply effect.

The above is only a preferred embodiment of the present invention, and does not therefore limit the patent scope of the present invention. Under the inventive concept of the present invention, the equivalent structural transformation made by using the description of the present invention and the contents of the accompanying drawings, or direct/indirect use All other relevant technical fields are included in the patent protection scope of the present invention.

Claims (12)

1. A smallpox machine, characterized in that, comprising: The housing has a main air inlet, a plurality of main air outlets, and a main air duct connecting the main air inlets and main air outlets; The air guide includes a plurality of air suction parts and a flow guide part, the air guide part is detachably connected to the housing, the air suction part extends from the air guide part to the main air outlet, and The deflector has an auxiliary air inlet, an auxiliary air outlet, and an auxiliary air duct communicating with the auxiliary air inlet and the auxiliary air outlet, and the auxiliary air inlet communicates with the main air duct; The airflow driving device is used to drive airflow from the auxiliary air inlet into the auxiliary air duct. 2 . The ceiling machine according to claim 1 , wherein the auxiliary air inlet is opened along the length direction of the suction part, and the auxiliary air inlet is arranged toward the main air outlet. 3 . 3 . The ceiling machine according to claim 2 , wherein the air guide part is arranged in an annular shape, and the auxiliary air outlet is arranged in an annular shape along the air guide part. 4 . 4. The ceiling machine according to claim 2, characterized in that, the air guide part is arranged in a ring shape, the number of the auxiliary air outlets is multiple, and a plurality of the auxiliary air outlets are evenly opened in the guide on the stream. 5 . The ceiling machine according to claim 4 , wherein the air guide part is arranged in a rectangular shape, the housing has an annular installation groove, and the air guide part is installed in the installation groove. 6 . 6 . The ceiling machine according to claim 5 , wherein the number of the auxiliary air outlets is four, and they are respectively arranged at four corners of the air guiding part. 7 . 7. The ceiling machine according to claim 6, wherein the airflow driving device comprises a plurality of centrifugal fans, and each of the secondary air outlets is provided with at least one centrifugal fan. 8. The ceiling machine according to claim 1, wherein the suction part has a suction chamber, and the auxiliary air inlet is opened on the suction part and communicates with the suction chamber; The guide part has a guide cavity, the auxiliary air outlet is opened on the guide part and communicates with the guide cavity, and the guide cavity communicates with the suction cavity to form the secondary air outlet. road. 9. The ceiling machine according to claim 8, characterized in that, a plurality of baffles are arranged in the flow guide cavity to separate the flow guide cavity to form several mutually independent sub-cavities, and the air flow The driving device includes a plurality of centrifugal fans, and each sub-cavity has at least one centrifugal fan correspondingly arranged therewith. 10. The ceiling machine according to claim 9, characterized in that, the auxiliary air duct includes four sub-auxiliary air ducts, and each sub-auxiliary air duct is formed by communicating with one of the sub-chambers and the independent suction chamber , the four sub-air ducts are respectively the front auxiliary air duct, the rear auxiliary air duct, the left auxiliary air duct and the right auxiliary air duct, which are distributed in front, rear, left and right directions of the main air duct. 11. A control method for a ceiling machine, characterized in that the ceiling machine has a main air duct and an auxiliary air duct connected to the main air duct, and a centrifugal fan is provided corresponding to the auxiliary air duct, and the control method for the ceiling machine includes The following steps: Judging whether the command currently received is an air guidance command; If so, turn on the centrifugal fan to form a negative pressure at the connection between the main air duct and the auxiliary air duct. 12. The control method of the ceiling machine according to claim 11, characterized in that, the auxiliary air ducts include front auxiliary air ducts, rear auxiliary air ducts, left auxiliary air ducts and right auxiliary air ducts, and each auxiliary air duct Correspondingly, a centrifugal fan is provided; The step of turning on the centrifugal fan includes: Turn on one or more of the centrifugal fans corresponding to the front auxiliary air duct, the rear auxiliary air duct, the left auxiliary air duct and the right auxiliary air duct.