Wall-mounted air conditioner indoor unit
Technical Field
The utility model relates to the technical field of air conditioning, in particular to a wall-mounted air conditioner indoor unit.
Background
With the popularization of air conditioners, users have higher and higher requirements on the comfort and health of air supply. The existing air conditioner with fresh air function is mostly a single fresh air inlet, and the air inlet volume is limited. Meanwhile, outdoor fresh air generally directly enters the indoor space after being simply filtered, and can cause large indoor temperature fluctuation and discomfort for users under the condition of large indoor and outdoor temperature difference.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wall-mounted air conditioner indoor unit with an increased fresh air fan air inlet volume.
A further object of the present invention is to pre-mix outdoor air before discharging it into the room to improve the comfort of the air outlet.
In particular, the present invention provides a wall-mounted air conditioning indoor unit, comprising:
a housing; and
the fresh air fan is arranged in the shell and provided with a first inlet and a second inlet, wherein the first inlet and the outdoor communication enable outdoor air to enter the fresh air fan through the first inlet, and the second inlet and the indoor communication enable indoor air to enter the fresh air fan through the second inlet.
Optionally, the housing of the fresh air fan is divided into two communicated chambers, including a fan chamber provided with a fan and a motor, and a filter screen chamber provided with a filter screen, wherein the lower part of the housing on one side of the filter screen chamber is provided with a first inlet, and the upper part of the housing is provided with a second inlet;
the top of the casing is provided with a first air inlet corresponding to the second inlet, and the indoor air flows to the second inlet through the first air inlet and enters the fresh air fan.
Optionally, a butt joint is provided at the first inlet for connection to a hose, the inlet side of which extends to the exterior of the chamber.
Optionally, an opening and closing mechanism is provided at the second inlet for opening or closing the second inlet.
Optionally, the opening and closing mechanism comprises: the motor is fixed with the shell of the fresh air fan, an output shaft of the motor is connected with the baffle, and the baffle is driven by the motor to be far away from or shield the second inlet.
Optionally, a fresh air outlet is formed in the top of the casing;
the fresh air fan has a first outlet, and the first outlet is arranged towards the fresh air outlet.
Optionally, the fresh air fan further has a second outlet;
the air conditioning indoor unit further comprises: and the additional air duct is provided with an air inlet and an air outlet, the additional air duct is connected with the machine shell, the air outlet is positioned outside the machine shell, and the second outlet is communicated with the air inlet.
Optionally, a heat exchange airflow outlet extending along the transverse direction is formed in the bottom of the front side of the casing, and a heat exchanger and a heat exchange fan are arranged in the casing, so that the heat exchange airflow in the casing is driven to be sent out through the heat exchange airflow outlet by the heat exchange fan;
the additional air duct is provided with a main body part extending along the transverse direction and at least one side end part extending along the longitudinal direction, an air outlet extending along the transverse direction is arranged on the front side of the main body part, an air inlet is arranged on the side end part, and the fresh air fan is arranged above the air inlet.
Optionally, the additional air duct has a top wall portion extending to the top of the housing, an opening is opened at a position corresponding to the fresh air outlet on the top wall portion, and a grille is disposed at the opening.
Optionally, the main body part is arranged below the casing at intervals to form a drainage air duct between the additional air duct and the casing.
The wall-mounted air conditioner indoor unit of the utility model comprises: the fresh air fan is provided with a first inlet and a second inlet, the first inlet is communicated with the outside so that outdoor air enters the fresh air fan through the first inlet, the second inlet is communicated with the inside so that indoor air enters the fresh air fan through the second inlet, airflow can be introduced into the fresh air fan through the two inlets, and the air intake of the fresh air fan is increased; the resistance of a single inlet is reduced due to the existence of the plurality of inlets, and the power consumption of the fresh air fan for providing the same air volume is reduced; through with first entry and outdoor intercommunication, second entry and indoor intercommunication for can come to carry out the preliminary treatment to the outdoor air that introduces through first entry through introducing the room air in the new trend fan, under the great situation of indoor outer difference in temperature, new trend fan exhaust air can not subcool or overheat, promotes the air-out travelling comfort.
Furthermore, the opening and closing mechanism is arranged at the second inlet to open or close the second inlet, so that indoor air can be introduced into the fresh air fan or not, the composition of the air outlet flow of the fresh air fan is adjustable, and the use experience of a user is further improved.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the utility model will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic view of an air conditioning indoor unit according to an embodiment of the present invention.
Fig. 2 is a partially enlarged perspective view of the air conditioning indoor unit shown in fig. 1.
Fig. 3 is a perspective view of a fresh air blower, an additional air duct, and the like of the indoor unit of the air conditioner shown in fig. 1.
Fig. 4 is a perspective view of a fresh air blower of the air conditioning indoor unit shown in fig. 1.
Fig. 5 is an exploded view of the fresh air blower shown in fig. 4.
Fig. 6 is a partial schematic view of a fresh air blower having an opening and closing mechanism.
Detailed Description
The present invention provides a wall-mounted indoor unit 900 of an air conditioner, which is generally an indoor unit 900 of an air conditioner used while being hung on a wall or other support position.
Fig. 1 is a schematic view of an air conditioning indoor unit 900 according to an embodiment of the present invention. Fig. 2 is a partially enlarged perspective view of the air conditioning indoor unit 900 shown in fig. 1. Fig. 3 is a perspective view of the fresh air fan 200 and the additional air duct 400 of the air conditioning indoor unit 900 shown in fig. 1. Fig. 4 is a perspective view of the fresh air blower 200 of the air conditioning indoor unit 900 shown in fig. 1. Fig. 5 is an exploded view of the fresh air blower 200 shown in fig. 4. Fig. 6 is a partial schematic view of the fresh air blower 200 having the opening and closing mechanism 208.
The wall-mounted air conditioner indoor unit 900 according to the embodiment of the present invention includes: a casing 100 and a fresh air fan 200. The fresh air blower 200 is disposed in the casing 100, and the fresh air blower 200 has a first inlet 211 and a second inlet 212, wherein the first inlet 211 is communicated with the outdoor so that the outdoor air enters the fresh air blower 200 through the first inlet 211, and the second inlet 212 is communicated with the indoor so that the indoor air enters the fresh air blower 200 through the second inlet 212. The wall-mounted air conditioner indoor unit 900 according to the embodiment of the present invention includes: the fresh air fan 200 comprises a shell 100 and a fresh air fan 200, wherein the fresh air fan 200 is provided with a first inlet 211 and a second inlet 212, the first inlet 211 is communicated with the outside so that outdoor air enters the fresh air fan 200 through the first inlet 211, the second inlet 212 is communicated with the inside so that indoor air enters the fresh air fan 200 through the second inlet 212, airflow can be introduced into the fresh air fan 200 through the two inlets, and the air inlet amount of the fresh air fan 200 is increased; the existence of the plurality of inlets also reduces the resistance of a single inlet, and reduces the power consumption when the fresh air fan 200 provides the same air volume; through with first entry 211 and outdoor intercommunication, second entry 212 and indoor intercommunication for can come to carry out the preliminary treatment to the outdoor air that introduces through first entry 211 through introducing indoor air in new trend fan 200, under the great condition of indoor outer difference in temperature, the air that new trend fan 200 discharged can not supercool or overheat, promotes the air-out travelling comfort.
As shown in fig. 1 to fig. 3, a casing 100 of an indoor unit 900 of an air conditioner according to an embodiment of the present invention is provided with a heat exchange airflow outlet 101, and a heat exchanger 104 and a heat exchange fan (not shown) are disposed inside the casing. The heat exchanger 104 may exchange heat with an air stream flowing therethrough, thereby generating a heat exchange air stream. The heat exchange fan can cause the heat exchange airflow in the casing 100 to be sent out through the heat exchange airflow outlet 101. The enclosure 100 may generally include a housing, a skeleton, and side end caps. The front side of the housing is provided with a front panel. The top of the housing is provided with a second air inlet 121. The indoor air introduced into the cabinet 100 through the second air inlet 121 is heat-exchanged with the heat exchanger 104 and then reaches the heat-exchanged air flow outlet 101. The framework is used for supporting the heat exchanger 104 and the heat exchange fan. The heat exchanger 104 may be a tri-fold heat exchanger. The heat exchange fan may be a cross flow fan. The indoor unit 900 may further include a wind deflector or the like disposed at the heat exchange airflow outlet 101.
As shown in fig. 4 and fig. 5, the fresh air blower 200 may be a centrifugal blower, and includes a housing 206, a fan 204, a motor, and a filter screen 205, wherein the housing 206 is divided into two connected chambers, one is a fan chamber for disposing the fan 204 and the motor, and the other is a filter screen chamber for disposing the filter screen 205; wherein a first inlet 211 is provided at the lower part of the housing 206 at one side of the filter screen chamber and a second inlet 212 is provided at the upper part thereof. The top of the casing 100 is provided with a first air inlet 122 corresponding to the second inlet 212, and the indoor air flows to the second inlet 212 through the first air inlet 122 and enters the fresh air blower 200. The first inlet 211 of the fresh air blower 200 is provided with a butt joint 207 for connecting a hose, and the inlet side of the hose extends to the outside.
In some embodiments, an opening and closing mechanism 208 is disposed at the second inlet 212 of the fresh air fan 200 of the indoor unit 900 of the air conditioner in the embodiment of the present invention, and is configured to open or close the second inlet 212. The air-conditioning indoor unit 900 according to the embodiment of the present invention opens or closes the second inlet 212 by disposing the opening and closing mechanism 208 at the second inlet 212, so that indoor air can be introduced into the fresh air blower 200 or not, the composition of the outlet airflow of the fresh air blower 200 can be adjusted, and the user experience can be further improved.
In some embodiments, the opening and closing mechanism 208 of the fresh air blower 200 of the indoor unit 900 of the air conditioner according to the embodiment of the present invention includes: the motor 281 and the baffle 282, the motor 281 is fixed with the housing 206 of the fresh air blower 200, an output shaft of the motor 281 is connected with the baffle 282, and the baffle 282 is driven by the motor 281 to be far away from or shield the second inlet 212. By providing the opening-closing mechanism 208 including the motor 281 and the shutter 282, opening-closing control of the second inlet 212 can be easily and simply achieved.
In some embodiments, a fresh air outlet (not numbered in the figure) is disposed at the top of the casing 100 of the indoor unit 900 of the air conditioner according to the embodiment of the present invention; the fresh air fan 200 has a first outlet 202, the first outlet 202 being disposed towards the fresh air outlet. In some embodiments, the fresh air blower 200 also has a second outlet 203; the indoor unit 900 of the air conditioner further includes: and an additional air duct 400 having an inlet 401 and an outlet 402, the additional air duct 400 being connected to the cabinet 100 with the outlet 402 being located outside the cabinet 100, and the second outlet 203 being in communication with the inlet 401. The fresh air fan 200 of the indoor unit 900 of the air conditioner of the embodiment of the utility model is also provided with the second outlet 203 and the additional air duct 400, the air outlet 402 of the additional air duct 400 is positioned outside the casing 100, and the second outlet 203 is communicated with the air inlet 401, so that the fresh air fan 200 can realize that the first outlet 202 and the second outlet 203 simultaneously blow fresh air indoors after being started, the air volume is larger, and the air updating speed of the indoor environment is accelerated; the existence of the plurality of outlets also reduces the resistance of a single outlet, reduces the power consumption when the fresh air fan 200 provides the same air volume, and the fan 204 of the fresh air fan 200 can have lower rotating speed and lower noise; meanwhile, the positions of the first outlet 202 and the second outlet 203 and the butt joint component are different, so that the indoor unit 900 has two fresh air outflow positions, and the air outlet form is more diversified.
As shown in fig. 4 and 5, the housing 206 of the fresh air fan 200 includes a first shell 261, a second shell 262 and a partition 263, a filter screen cavity is defined between the first shell 261 and the partition 263, and a fan cavity is defined between the second shell 262 and the partition 263. The screen 205 is inserted into the screen cavity using the bracket 250. A first outlet 202 is opened in the vertical direction at the upper portion of the casing 206 on the fan chamber side, and a second outlet 203 is opened in the vertical direction at the lower portion. A fixed plate 264 having an opening is disposed on the upper portion of the partition 263, a movable plate 265 is disposed above the fixed plate 264, the opening of the fixed plate 264 is disposed opposite to the first outlet 202, and the opening and closing of the first outlet 202 can be controlled by controlling the movable plate 265 to move left and right.
In some embodiments, the heat exchange airflow outlet 101 of the air conditioning indoor unit 900 of the embodiment of the present invention extends in the transverse direction and is opened at the bottom of the front side of the casing 100. The additional air duct 400 has a main body 403 extending in the transverse direction and at least one side end 404 extending in the longitudinal direction, an air outlet 402 extending in the transverse direction is opened at the front side of the main body 403, the side ends 404 are located at the left and right sides of the main body 403, an air inlet 401 is opened at the side ends 404, and the fresh air fan 200 is disposed above the air inlet 401. The side end 404 of the additional air duct 400 is provided with the air inlet 401, and the fresh air fan 200 is arranged above the air inlet 401, so that only a space for accommodating the fresh air fan 200 needs to be reserved on one of the transverse side portions in the casing 100, the space of the casing 100 in the front-back direction is not occupied, the casing 100 of the whole air-conditioning indoor unit 900 is ensured to be still complete, and a good attractive effect is kept.
As shown in fig. 2 and 3, the additional air duct 400 has a main body 403 extending in a transverse direction, two side end portions 404 extending in a longitudinal direction, two side wall portions 405 and two top wall portions 406, wherein the side wall portions 405 are located outside the side end portions 404 and extend upward from the end portions of the main body 403 to the upper portion of the casing 100, and the top wall portions 406 are formed by extending from the upper ends of the side wall portions 405 toward one end of the top of the casing 100. An opening 461 is arranged on the top wall part 406 corresponding to the fresh air outlet, and a grille 462 is arranged at the opening 461. By providing the grill 462 at the opening 461, dust can be prevented from falling into the fresh air blower 200.
As shown in fig. 1, the main body 403 is disposed below the cabinet 100 at an interval to form a draft air duct 500 between the additional air duct 400 and the cabinet 100. The main body 403 of the additional duct 400 is spaced apart from the cabinet 100 to form a guide duct 500 between the heat exchange airflow outlet 101 and the outlet 402, so that the outlet airflow at the lower portion of the indoor unit 900 includes the outdoor air flowing out through the outlet 402, the indoor air flowing out through the guide duct 500, and the heat exchange airflow sent out through the heat exchange airflow outlet 101. By forming the air guide duct 500, indoor air can be introduced into the outlet airflow at the lower portion of the casing 100, so that the outlet airflow of the indoor unit 900 is not overcooled or overheated. Meanwhile, the heat exchange airflow outlet 101 and the air outlet 402 are respectively arranged on the two sides of the drainage air duct 500, negative pressure can be generated on the two sides of the drainage air duct 500 along with air supply of the heat exchange airflow outlet 101 and the air outlet 402, the airflow introduced into the drainage air duct 500 under the action of the negative pressure on the two sides can be larger, indoor air introduced through the drainage air duct 500 is mixed with fresh air sent out through the air outlet 402 and heat exchange airflow sent out through the heat exchange airflow outlet 101, and the whole air guiding quantity and the whole air supply quantity of the indoor unit 900 of the air conditioner can be further improved.
Thus, it should be appreciated by those skilled in the art that while various exemplary embodiments of the utility model have been shown and described in detail herein, many other variations or modifications which are consistent with the principles of this invention may be determined or derived directly from the disclosure of the present invention without departing from the spirit and scope of the utility model. Accordingly, the scope of the utility model should be understood and interpreted to cover all such other variations or modifications.