Disclosure of Invention
Therefore, the invention aims to overcome the defects that the lower part of the air duct machine in the prior art is generally required to be provided with lower return air, so that the lower part is not attractive, and the installation, the disassembly and the maintenance are inconvenient, thereby providing the distributed air supply device and the air conditioner.
In order to solve the problems, the invention provides a distributed air supply device, which comprises an air pipe machine and a suspended ceiling, wherein the air pipe machine is arranged in the suspended ceiling, a first air port is arranged on the front side of the suspended ceiling, and the front side is opposite to a wall and is connected with the ceiling;
The air duct machine comprises a shell, a fan, a heat exchanger and a first air return opening, wherein the first air return opening is arranged at the top of the shell, and the first air return opening can be communicated with the first air opening so as to suck air from the first air opening, so that air flow is driven by the fan to sequentially pass through the first air opening and the first air return opening to enter the shell, and heat exchange is performed through the heat exchanger.
In some embodiments, the front end of the casing is further provided with a second air return port, the front end of the casing is opposite to the front side of the suspended ceiling, the second air return port can be communicated with the first air return port to enable air to be sucked into the casing from the second air return port, and a preset interval exists between the heat exchanger and the top of the casing.
In some embodiments, the heat exchanger is connected to the upper end of the housing such that the front end of the housing is not provided with a second return air port.
In some embodiments, a third air return port is further provided at the rear end of the casing, the rear end of the casing is opposite to the front side of the suspended ceiling, the rear end of the casing is opposite to the wall, and the third air return port can also be communicated with the first air return port to enable air to be sucked into the casing from the third air return port.
In some embodiments, the first air return opening is spaced from the ceiling by a first predetermined distance, the second air return opening is spaced from the front side of the suspended ceiling by a second predetermined distance, the third air return opening is spaced from the wall by a third predetermined distance, and air flows enter the suspended ceiling through the first air return opening and sequentially reach the second air return opening, the first air return opening and the third air return opening.
In some embodiments, the front side of the suspended ceiling is further provided with a second air opening, the front end of the casing is further provided with a first air outlet, the front end of the casing is opposite to the front side of the suspended ceiling, and the first air outlet can be communicated with the second air opening, so that air after heat exchange of the heat exchanger can be blown out through the first air outlet and the second air opening in sequence, and the first air opening and the second air opening are arranged at intervals in the horizontal direction and/or the vertical direction.
In some embodiments, a third air outlet is further formed in the lower side of the suspended ceiling, and a second air outlet is further formed in the lower end of the casing, so that air after heat exchange of the heat exchanger can be blown out through the second air outlet and the third air outlet in sequence.
In some embodiments, when the second return air inlet is further included:
The distributed air supply device further comprises a volute, a first air return channel is defined between the upper side of the volute and the casing, the second air return port is communicated with the first air return channel so as to enable air to enter the first air return channel through the second air return port in an induced draft mode and reach the heat exchanger through the first air return channel, an air outlet channel is defined below the volute, the air outlet channel comprises a first air outlet channel and a second air outlet channel, the first air outlet channel is communicated with the first air outlet, and the second air outlet channel is communicated with the second air outlet.
In some embodiments, the air outlet channel is further provided with a moving part, the air duct machine further comprises a volute tongue, the moving part can rotate until one end of the moving part is connected with the volute casing to close the first air outlet channel and open the second air outlet channel, the moving part can rotate until one end of the moving part is connected with the volute tongue to close the second air outlet channel and open the first air outlet channel, and the moving part can also rotate until one end of the moving part is located at a position C, and when the moving part is located at the position C, one end of the moving part is neither connected with the volute tongue nor the volute casing, so that the first air outlet channel and the second air outlet channel are simultaneously opened.
In some embodiments, the fan is a through-flow fan blade, and/or the first air outlet and the second air outlet are connected through a first connecting portion, the second air outlet and the third air outlet are connected through a second connecting portion, and a preset gap is formed between the first air outlet and the casing.
In some embodiments, the front side of the suspended ceiling is provided with an engineering maintenance port for maintenance, the front end of the casing of the air duct machine is further provided with a first maintenance port, the side surface of the casing is further provided with a second maintenance port, and the side surface and the front end are two surfaces connected.
In some embodiments, the distributed air supply device further includes a volute, a portion of the front end of the casing opposite to the first air port forms a notch, the notch extends to a set position of the upper end of the volute, the set position is close to the heat exchanger relative to the front side of the casing, so that a portion of the volute is exposed to the outside, a second air return port is formed between the upper end of the casing and the volute, and the second air return port can be communicated with the first air port for return air.
The invention also provides an air conditioner, which comprises the distributed air supply device.
The distributed air supply device and the air conditioner provided by the invention have the following beneficial effects:
1. According to the invention, the first air inlet is formed in the front side of the suspended ceiling on which the air pipe machine is installed, the first air return inlet of the air pipe machine is formed in the top of the casing of the air pipe machine, air can be sucked into the suspended ceiling through the first air inlet in the front side of the suspended ceiling, and effective air return is performed through the first air return inlet in the top of the casing, so that the condition of unattractive appearance caused by the fact that the air return inlet is formed below the suspended ceiling is effectively avoided, the problem of inconvenient installation and detachment maintenance is solved, the front side of the suspended ceiling is maintained, the unit is not required to be maintained at a lower maintenance port, the front maintenance is more convenient, the appearance is more attractive, a user can also effectively utilize the space below the suspended ceiling, and the air return area can be effectively increased, the air return quantity is improved, and the heat exchange efficiency is improved through the structure that the air return inlet is formed in the top, the front end and the rear end of the casing.
2. The invention can effectively realize the effects of refrigerating horizontal air outlet and heating air supply, and effectively improve the operation comfort degree in heating and refrigerating modes by arranging the moving parts, and can change the air outlet direction through the movement of the moving parts, so that the horizontal air outlet, the vertical air outlet and the horizontal and vertical air outlet are realized, and the invention is respectively applicable to the conditions of refrigerating, heating and rapid refrigerating or heating.
Drawings
Fig. 1 is a schematic view illustrating an internal structure of an embodiment 1 of an air duct machine in a distributed air blowing device according to the present invention;
Fig. 2 is a schematic internal structure of embodiment 2 of an air duct machine in a distributed air supply device according to the present invention;
FIG. 3 is a schematic diagram illustrating an internal cross-section of the distributed air-supplying apparatus according to the present invention in a cooling air-out mode;
FIG. 4 is a schematic diagram illustrating an internal cross-section of the distributed air-supplying device in the air-out mode under heating;
FIG. 5 is a schematic diagram illustrating an internal cross-section of the distributed air-supplying device of the present invention in an up-down simultaneous air-out mode;
FIG. 6 is a schematic view of the structure of the distributed air supply device of the present invention for air outlet and return in a horizontal plane;
FIG. 7 is a perspective view of an air duct machine according to the present invention;
fig. 8 is a schematic internal structure of embodiment 3 of an air duct machine in the distributed air blowing device of the present invention.
The reference numerals are expressed as:
1. The device comprises a shell, 1a, a top, 1b, a front end, 1c, a rear end, 2, a fan, 3, a heat exchanger, 41, a first air return port, 42, a second air return port, 43, a third air return port, 51, a first air outlet, 52, a second air outlet, 6, an air outlet channel, 61, a first air outlet channel, 62, a second air outlet channel, 7, an air pipe machine, 8, a ceiling, 81, a first air return port, 82, a second air return port, 83, a third air return port, 91, a first connecting part, 92, a second connecting part, 10, a volute, 11, a first air return channel, 12, a moving part, 13, a volute tongue, 141, a first overhaul port, 142, a second overhaul port, 15, a notch, 16 and a water receiving disc.
Detailed Description
1-8, The invention provides a distributed air supply device, which comprises an air pipe machine 7 and a suspended ceiling 8, wherein the air pipe machine 7 is arranged inside the suspended ceiling 8, a first air port 81 is arranged on the front side of the suspended ceiling 8, and the front side is opposite to a wall and is connected with the ceiling;
The air duct machine comprises a machine shell 1, a fan 2, a heat exchanger 3 and a first air return opening 41, wherein the first air return opening 41 is arranged at the top 1a of the machine shell 1, the first air return opening 41 can be communicated with the first air opening 81 so as to suck air from the first air opening 81, and air flow is driven by the fan 2 to sequentially pass through the first air opening 81 and the first air return opening 41, enter the machine shell 1 and exchange heat through the heat exchanger 3.
According to the invention, the first air inlet is formed in the front side of the suspended ceiling on which the air pipe machine is installed, the first air return inlet of the air pipe machine is formed in the top of the casing of the air pipe machine, air can be sucked into the suspended ceiling through the first air inlet in the front side of the suspended ceiling, and effective air return is performed through the first air return inlet in the top of the casing, so that the condition of unattractive appearance caused by the fact that the air return inlet is formed below the suspended ceiling is effectively avoided, the problem of inconvenient installation and detachment maintenance is solved, the front side of the suspended ceiling is maintained, the unit is not required to be maintained at a lower maintenance port, the front maintenance is more convenient, the appearance is more attractive, a user can also effectively utilize the space below the suspended ceiling, and the air return area can be effectively increased, the air return quantity is improved, and the heat exchange efficiency is improved through the structure that the air return inlet is formed in the top, the front end and the rear end of the casing.
As shown in fig. 1, fig. 2 and fig. 3, a distributed air supply and return air duct machine, the unit comprises a heat exchanger component, a fan, a baffle, an air outlet, an air return opening and the like. Preferably, the unit housing has at least front, top and rear return air passages.
The air pipe machine uses the ceiling to install, and this novel scheme unit can adopt front side furred ceiling air-out and return air, specifically, furred ceiling front side air-out grating length is greater than the unit air outlet. When the unit works, air enters the suspended ceiling from the suspended ceiling grille at the front side, then enters the unit from the air inlet holes formed in the front side, the top and the back of the unit, and is discharged by the fan through the heat exchanger.
In example 2, as shown in fig. 2, in some embodiments, the front end 1b of the casing 1 is further provided with a second air return port 42, the front end of the casing 1 is opposite to the front side of the suspended ceiling 8, the second air return port 42 can be communicated with the first air port 81 so as to enable air to be sucked from the second air return port 42 into the casing 1, and the heat exchanger 3 and the top of the casing 1 have a preset interval. The invention also provides a structure of the air return port at the front end of the shell, so that the air return area can be effectively increased, the air return quantity is improved, and the heat exchange efficiency is improved. In the embodiment 2 of the invention, the preset interval exists between the upper end of the heat exchanger and the shell, so that the air flow entering through the second return air inlet can reach the heat exchanger through the interval to exchange heat, and the air inlet quantity is increased.
In some embodiments, the heat exchanger 3 is connected to the upper end of the casing 1, so that the front end of the casing 1 is not provided with the second air return port 42. This is the preferred structural form of embodiment 1 of the present invention, i.e. the upper end of the heat exchanger is connected with the casing, so that the air cannot be effectively returned from the front end of the casing to the heat exchanger, and therefore, the air enters the ceiling from the first air inlet of the ceiling and is returned only to the first air return inlet at the top and the third air return inlet at the rear end.
In some embodiments, the rear end 1c of the casing 1 is further provided with a third air return opening 43, the rear end of the casing 1 is opposite to the front side of the suspended ceiling 8, the rear end of the casing 1 is opposite to the wall, and the third air return opening 43 can also communicate with the first air opening 81 so as to enable air to be sucked from the third air return opening 43 into the casing 1. The invention further provides a structure of the air return port arranged at the rear end of the shell, so that the air return area can be further effectively increased, the air return quantity is improved, and the heat exchange efficiency is improved.
In some embodiments, the first air return opening 41 is spaced from the ceiling by a first predetermined distance, the second air return opening 42 is spaced from the front side of the suspended ceiling 8 by a second predetermined distance, the third air return opening 43 is spaced from the wall by a third predetermined distance, and air flows enter the suspended ceiling 8 through the first air return opening 81 and sequentially reach the second air return opening 42, the first air return opening 41 and the third air return opening 43. The first air return port, the second air return port and the third air return port are in the optimal structural form when the air return port is arranged at the same time, an air flow channel can be formed between the first air return port at the top of the casing and a ceiling through a first preset distance, so that wind entering the ceiling through the first air return port can enter the first air return port, the second preset distance can ensure that the first air return port and the second air return port are not directly communicated, the space inside the ceiling is filled with wind entering the ceiling through the first air return port, the air return quantity can be effectively increased, and a circulating channel for the air inlet of the third air return port can be formed between the rear end of the casing and the wall through the third preset distance, so that the air return quantity is effectively increased.
In some embodiments, the front side of the suspended ceiling 8 is further provided with a second air opening 82, the front end of the casing 1 is further provided with a first air outlet 51, the front end of the casing 1 is opposite to the front side of the suspended ceiling 8, and the first air outlet 51 can be communicated with the second air opening 82, so that air after heat exchange by the heat exchanger 3 can be blown out through the first air outlet 51 and the second air opening 82 in sequence, and the first air opening 81 and the second air opening 82 are arranged at intervals in a horizontal direction and/or a vertical direction. The second air port arranged on the front side of the suspended ceiling can be connected with the first air port arranged on the front end of the casing, so that air blown out from the first air port by the casing is blown out from the second air port on the front side of the suspended ceiling, the effect of horizontal air supply is realized, the second air port is used for horizontal air supply in a refrigerating mode, and a space is formed between the second air port and the first air port for air return, so that air flow of the air outlet is effectively prevented from flowing back into the air return port.
In some embodiments, a third air outlet 83 is further provided at the lower side of the suspended ceiling 8, and a second air outlet 52 is further provided at the lower end of the casing 1, so that air after heat exchange by the heat exchanger 3 can be blown out through the second air outlet 52 and the third air outlet 83 in sequence. The invention can be communicated with the second air outlet at the lower end of the shell through the arrangement of the third air outlet, thereby realizing the effect of downward air outlet, and being used for downward air supply in a heating mode.
In some embodiments, when second return air port 42 is also included:
the distributed air supply device further comprises a volute 10, a first return air channel 11 is defined between the upper side of the volute 10 and the casing 1, the second return air inlet 42 is communicated with the first return air channel 11 so as to enable air to enter the first return air channel through the second return air inlet 42 in an induced mode and reach the heat exchanger 3 through the first return air channel, an air outlet channel 6 is defined below the volute 10, the air outlet channel 6 comprises a first air outlet channel 61 and a second air outlet channel 62, the first air outlet channel 61 is communicated with the first air outlet 51, and the second air outlet channel 62 is communicated with the second air outlet 52.
The invention is a further preferable structural form, a first return air channel in the shell communicated with the second return air inlet can be effectively defined through the arrangement of the volute, an air outlet channel is defined below the volute, the first air outlet channel is communicated with a first air outlet in the horizontal direction, and the second air outlet channel is communicated with a second air outlet in the downward direction, so that horizontal air outlet and downward air outlet can be respectively and simultaneously realized.
In some embodiments, the air outlet channel 6 is further provided with a moving part 12, the air duct machine 7 further includes a volute tongue 13, the moving part 12 can rotate until one end of the moving part 12 is connected with the volute 10 to close the first air outlet channel 61 and open the second air outlet channel 62 (as shown in a position B in fig. 4, a downward air outlet can be realized, and the air duct machine is suitable for a heating working condition), the moving part 12 can rotate until one end of the moving part 12 is connected with the volute tongue 13 to close the second air outlet channel 62 and open the first air outlet channel 61 (as shown in a position a in fig. 3, a horizontal air outlet can be realized, and the air duct machine is suitable for a cooling working condition), and the moving part 12 can also rotate until one end of the moving part 12 is located in a position C, where one end of the moving part 12 is neither connected with the volute tongue 13 nor the volute 10 to open the first air outlet channel 61 and the second air outlet channel 62 at the same time. The invention can effectively open the first air outlet channel and close the second air outlet channel through the arrangement of the moving part so as to realize the air outlet in the horizontal direction, is suitable for refrigeration working conditions, can also open the second air outlet channel and close the first air outlet channel so as to realize downward air outlet and is suitable for heating working conditions, and can also simultaneously open the first air outlet channel and the second air outlet channel so as to realize downward and horizontal simultaneous air outlet and is suitable for working conditions needing rapid refrigeration or heating.
Preferably, the upper volute air duct and the lower volute tongue air duct of the unit are provided with points A and B, and the baffle rotates around the point O between the circular arcs AB. The baffle can be stopped at any point in the AB circular arc according to the requirement.
Preferably, the air outlet is arranged in the air outlet direction of the unit, and the air outlet is provided with at least 2 air outlets by changing the air flow direction through a movable baffle.
Preferably, the air outlet is arranged in two directions, namely horizontal and vertical.
Preferably, the unit adopts cross-flow fan blades, and the fan blades are arranged in front of and/or above the heat exchanger along the airflow direction.
Preferably, in the heating mode, the baffle rotates to the point A of the air duct wall, and the unit supplies air downwards.
Preferably, in the refrigeration mode, the baffle rotates to the point B of the air duct wall, and the unit supplies air horizontally.
Preferably, during air supply, refrigeration and heating modes, the baffle rotates at any position among the AB, so that wide-area air supply is realized.
As shown in fig. 4, 5 and 6, the air flow distribution of the suspended ceiling return air is schematically shown for the unit.
Preferably, the moving part is in the form of a baffle plate, and the baffle plate can also be an integral type formed by a baffle plate I and a baffle plate II, such as an L-type.
The novel air pipe machine can realize the whole front air outlet and air return, and the unit is used for refrigerating and heating and distributing air supply, so that the novel air pipe machine accords with human comfort experience and has the advantages of attractive appearance, strong practicability and the like.
In some embodiments, the fan 2 is a through-flow fan blade, and/or the first air outlet 51 is connected to the second air outlet 82 through a first connection portion 91, the second air outlet 52 is connected to the third air outlet 83 through a second connection portion 92, and a preset gap is formed between the first air outlet 81 and the casing 1. The invention can also realize effective sealing connection between the first air outlet and the second air outlet and the suspended ceiling respectively through the first connecting part and the second connecting part, and directly blow out the air outlet outside the suspended ceiling, thereby preventing the air outlet from being mixed with the return air in the suspended ceiling.
Preferably, the unit returns air through partial grids except the air outlet, and the area of the engineering installed grids is larger than that of the outlet air.
Preferably, the horizontal air outlet and the lower air outlet of the unit are in airtight connection with the suspended ceiling through flexible materials (such as canvas).
In some embodiments, the front side of the suspended ceiling 8 is provided with an engineering maintenance port for maintenance, the front end of the casing 1 of the air pipe machine 7 is further provided with a first maintenance port 141, the side surface of the casing 1 is further provided with a second maintenance port 142, and the side surface and the front end are two surfaces connected. According to the invention, as the first air port for returning air is arranged on the front side of the suspended ceiling, the effect of opening the interior of the suspended ceiling on the front side to maintain the air pipe machine can be realized, the maintenance and the disassembly are more convenient and quicker, and the two surfaces on the air pipe machine are provided with the maintenance ports, so that the effective operation on the two maintenance ports of the air pipe machine can be realized, and the maintenance is realized.
As shown in fig. 7, a schematic view of the access port of the unit is shown.
Preferably, the assembly comprises at least one removable component on the front and side for engineering maintenance. The front air inlet grille of the suspended ceiling is relatively large, and the unit can be detached from the front.
In example 3, as shown in fig. 8, in some embodiments, the distributed air supply device further includes a volute 10, a portion of the front end of the casing 1 opposite to the first air port 81 forms a notch 15, and the notch 15 extends to a set position of the upper end of the volute 10, where the set position is close to the heat exchanger 3 relative to the front side of the casing 1, so that a portion of the volute 10 is exposed to the outside, so that a second air return port 42 is formed between the upper end of the casing 1 and the volute 10, and the second air return port 42 can communicate with the first air port 81. In the embodiment 3 of the invention, the front end of the shell is processed into the notch, so that the whole notch can be effectively used for return air, the return air area can be increased, and the return air quantity is improved.
The invention also provides an air conditioner, which comprises the distributed air supply device.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention. The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.