CN214841247U

CN214841247U - Indoor cabinet air conditioner

Info

Publication number: CN214841247U
Application number: CN202120361499.4U
Authority: CN
Inventors: 潘文驰; 郝本华; 王宪强; 李国行; 成汝振
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2021-11-23
Anticipated expiration: 2031-02-09

Abstract

The utility model relates to the technical field of air conditioners, and provides an indoor cabinet air conditioner, which comprises a casing, a heat exchanger, a heater and a fan, wherein a first air duct and a second air duct are arranged in the casing; the fan comprises a motor, a connecting shaft, a first cross flow fan and a second cross flow fan, the first cross flow fan is located in the first air channel, the second cross flow fan is located in the second air channel, and the first cross flow fan and the second cross flow fan are connected with the driving end of the motor after being coaxially connected through the connecting shaft. The indoor cabinet air conditioner provided by the utility model can meet the heating requirement of the indoor lower space; the same motor is adopted to simultaneously drive the two cross-flow fans to respectively provide wind power drive for the two air channels, so that the internal space of the air conditioner shell is greatly saved.

Description

Indoor cabinet air conditioner

Technical Field

The utility model relates to an air conditioner technical field especially relates to an indoor cabinet air conditioner.

Background

The evaporimeter of present cabinet-type air conditioner indoor has the take the altitude apart from ground generally, and when winter indoor adoption air conditioner heated, the hot-air after the air conditioner heat transfer can toward the come-up, leads to the temperature of lower part air lower, and indoor whole high space is in the state of upper heat cold down, makes old man's shank and children often be in the middle of the lower environment of temperature, and user experience feels poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cabinet air conditioner indoor for when the cabinet air conditioner indoor among the solution prior art uses winter, indoor low space temperature is lower, and user experience feels poor problem.

The utility model provides an indoor cabinet air conditioner, which comprises a casing, a heat exchanger, a heater and a fan, wherein a first air duct and a second air duct are arranged in the casing, the casing is provided with a first air outlet and a second air outlet which are respectively communicated with the first air duct and the second air duct, the first air outlet is positioned near the bottom of the casing, the heater is positioned in the first air duct, and the heat exchanger is positioned in the second air duct;

the fan comprises a motor, a connecting shaft, a first cross flow fan and a second cross flow fan, the first cross flow fan is located in the first air channel, the second cross flow fan is located in the second air channel, and the first cross flow fan and the second cross flow fan are connected with the driving end of the motor after being coaxially connected through the connecting shaft.

According to the utility model provides a pair of cabinet-type air conditioner, first crossflow fan with second crossflow fan all includes first end plate, second end plate, axle connecting piece and a plurality of blade, and is a plurality of the blade is the circumference distribute in first end plate with between the second end plate, the axle connecting piece is fixed in first end plate, first crossflow fan's axle connecting piece with second crossflow fan's axle connecting piece passes through connecting axle connects.

According to the utility model provides a pair of cabinet air conditioner, the axle connecting piece includes the sleeve, the sleeve with first through-flow fan with the coaxial setting of second through-flow fan, the both ends of connecting axle are inserted respectively and are established and be fixed in first through-flow fan with in the sleeve of second through-flow fan.

According to the utility model provides a pair of cabinet air conditioner, the axle connecting piece still includes connecting screw, telescopic lateral wall set up threaded hole, connecting screw set up in threaded hole, the sleeve with the connecting axle passes through connecting screw connects.

According to the utility model provides a pair of cabinet air conditioner, the connecting axle is close to one side of connecting screw is equipped with spacing face, connecting screw's terminal surface with spacing face looks butt, with the connecting axle compress tightly in the sleeve.

According to the utility model provides a pair of cabinet air conditioner, be equipped with the hole in the connecting axle, connecting screw inserts and locates downthehole.

According to the utility model provides a pair of cabinet air conditioner, the connecting axle is located first crossflow fan with just be close to between the second crossflow fan the position of second crossflow fan is provided with first locating part.

According to the utility model provides a pair of cabinet air conditioner, the connecting axle is located first crossflow fan with just be close to between the second crossflow fan the position of first crossflow fan is provided with the second locating part.

According to the utility model provides a pair of cabinet air conditioner, first locating part with the second locating part is protruding to be located the annular boss of week side of connecting axle.

According to the utility model provides a pair of cabinet air conditioner, the axle connecting piece with first end plate becomes formula structure as an organic whole.

The utility model provides an indoor cabinet air conditioner, through set up heater and air outlet in the lower side of indoor cabinet air conditioner, make the hot-air after the heater heating blow off from this air outlet, satisfied the indoor heating demand in lower part space and promoted user experience and felt; in addition, the two cross-flow fans are connected with the motor after being coaxially connected, so that the motor can simultaneously drive the two cross-flow fans to rotate in the two air channels respectively, and simultaneously, wind power drive is provided for the two air channels, and the internal space of the air conditioner shell is greatly saved.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an indoor cabinet air conditioner provided by the present invention;

fig. 2 is a schematic structural view of a blower in an indoor cabinet air conditioner provided by the present invention;

fig. 3 is a perspective view of a part of the structure of the blower in the indoor cabinet air conditioner provided by the present invention;

FIG. 4 is a partially enlarged view of a connecting portion of two cross flow fans in FIG. 2;

fig. 5 is an axial view of a fan in an indoor cabinet air conditioner provided by the present invention;

fig. 6 is a partial structure front view of the indoor cabinet air conditioner provided by the present invention;

reference numerals:

1. a housing; 11. A first air outlet; 12. A second air outlet;

13. a first air inlet; 14. A second air inlet; 15. An air outlet decoration plate;

151. an air outlet; 23. A fan; 231. A first through-flow fan;

232. a second cross-flow fan; 2301. A first end plate; 2302. A second end plate;

2303. a blade; 2304. A sleeve; 2305. A connecting screw;

233. a connecting shaft; 2331. A limiting surface; 2332. A first limit piece;

2333. a second limiting member.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "first" and "second" are used for clearly indicating the numbering of the product parts and do not represent any substantial difference unless explicitly stated or limited otherwise. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

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 construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; 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 utility model provides a cabinet-type air conditioner indoor unit, as shown in figure 1 be the utility model provides a cabinet-type air conditioner indoor unit's structure sketch. The indoor cabinet air conditioner comprises a machine shell 1, a heat exchanger, a heater and a fan 23, wherein a first air channel and a second air channel are arranged in the machine shell 1. The casing 1 is provided with a first air outlet 11 and a second air outlet 12 which are respectively communicated with the first air channel and the second air channel, the first air outlet 11 is close to the bottom of the casing 1, the heater is positioned in the first air channel, and the heat exchanger is positioned in the second air channel. The blower 23 includes a motor, a connecting shaft 233, a first cross flow fan 231 and a second cross flow fan 232, the first cross flow fan 231 is located in the first air duct, the second cross flow fan 232 is located in the second air duct, and the first cross flow fan 231 and the second cross flow fan 232 are connected through the connecting shaft 233 and then connected with a driving end of the motor. I.e. two cross-flow fans are driven to move simultaneously by the same motor.

The heater may be a ptc (positive Temperature coefficient) heater. The heater is used for heating the air flowing through the first air duct and sending out the hot air from the first air outlet 11, so that the lower part of the cabinet air conditioner indoor unit outputs warm air. The heater is combined with a fan and other related accessories to form a fan heater. The fan heater has two working modes, when the fan and the heater are simultaneously started, the fan heater operates in a heating mode, and when the fan is started and the heater is closed, the fan heater operates in an air supply mode. The heat exchanger is a heat exchange part in a main heat exchange system of the air conditioner indoor cabinet, and air after heat exchange of the main heat exchange system flows out of the machine shell 1 from the second air outlet 12.

The embodiment of the utility model provides an in, fan 23 provides wind-force drive for first wind channel and second wind channel simultaneously. The heat exchanger and the heater can work independently and can be started simultaneously or independently according to requirements. When the heat exchanger starts a heating mode, the heater is started at the same time. Part of indoor air is heated by the heat exchanger and then blown out from the second air outlet 12, and the other part of indoor air is heated by the heater and then blown out from the first air outlet 11, so that hot air is blown out from the lower part of the cabinet machine, and auxiliary heating is provided.

In the embodiment of the present invention, the first air outlet 11 and the second air outlet 12 are disposed at the same side of the housing 1. When the main heat exchange system of the air conditioner starts a heating mode, the fan 23 is started, and at the moment, the heater is started, and auxiliary heating is provided through the heater at the bottom. When the main heat exchange system of the air conditioner starts a refrigeration mode, the fan 23 is started, the heater is closed at the moment, and under the condition that the second air outlet 12 blows out cold air, natural air blown out from the first air outlet 11 can float upwards to be mixed with the cold air above the first air outlet, so that the temperature of the cold air at the second air outlet 12 can be reduced, the phenomenon that the air with too low temperature directly blows a user is avoided, and the comfort of the user is improved.

The casing 1 is further provided with a first air inlet 13 and a second air inlet 14 respectively communicated with the first air duct and the second air duct. Under the action of the fan 23, a part of air enters the first air duct from the first air inlet 13 and then flows out from the first air outlet 11, and another part of air enters the second air duct from the second air inlet 14 and then flows out from the second air outlet 12. Of course, the casing 1 may be provided with only one air inlet, and the fan 23 respectively sucks air from the air inlet into the first air duct and the second air duct.

The second air duct and the first air duct 211 are respectively located in the upper space and the lower space of the cabinet 1. The second cross flow fan 232 and the first cross flow fan 231 are coaxially arranged up and down. Both ends of the connection shaft 233 are fixedly connected to the rotation centers of the first and second

cross flow fans

231 and 232, respectively. The driving end of the motor is in driving connection with one end of the first cross flow fan 231 or the second cross flow fan 232 away from the connecting shaft 233, and the two cross flow fans rotate synchronously under the driving of the motor. Two cross-flow fans are driven by one motor simultaneously, so that air circulation is driven in two air channels, and the installation space in the machine shell 1 can be saved.

Specifically, as shown in fig. 2, the utility model provides a structural schematic diagram of fan in cabinet air conditioner room, as shown in fig. 3, the utility model provides a partial structure stereogram of fan in cabinet air conditioner room. Each of the first and second

cross flow fans

231 and 232 includes a first end plate 2301, a second end plate 2302, a shaft connector, and a plurality of blades 2303. A plurality of vanes 2303 are circumferentially distributed between first end plate 2301 and second end plate 2302. The shaft connector is fixed to the first end plate 2301, and the shaft connector of the first cross flow fan 231 and the shaft connector of the second cross flow fan 232 are connected by the connecting shaft 233, that is, the first end plate 2301 of the first cross flow fan 231 and the first end plate 2301 of the second cross flow fan 232 are disposed opposite to each other. Wherein, the two ends of the blower 23, namely the second end plates 2302 of the two cross flow fans, are fixed with transmission shafts. The two transmission shafts are respectively connected with the machine shell 1 in a rotating way, and the motor is connected with one of the transmission shafts in a driving way.

Fig. 4 is a partially enlarged view of a connection portion of two cross flow fans in fig. 2. As shown in fig. 2 to 4, in the embodiment of the present invention, the shaft connector includes a sleeve 2304, and the sleeve 2304 is coaxially disposed with the first cross flow fan 231 and the second cross flow fan 232. Both ends of the connection shaft 233 are inserted and fixed in the sleeves of the first and second

cross flow fans

231 and 232, respectively. Wherein, the sleeve 2304 and the first end plate 2301 can be welded or integrally formed.

The connecting shaft 233 may be connected to the sleeve 2304 in an interference fit manner or may be welded and fixed. In the embodiment of the present invention, as shown in fig. 2 to 4, the shaft connector further includes a connection screw 2305, the side wall of the sleeve 2304 is provided with a threaded hole, the connection screw 2305 is disposed in the threaded hole, and the sleeve 2304 is connected with the connection shaft 233 through the connection screw 2305.

In this embodiment, one end of the connecting shaft 233 may be welded and fixed to the first end plate 2301 of one of the cross flow fans, and when the cross flow fan is installed, the other end of the connecting shaft 233 is inserted into a sleeve on the first end plate 2301 of the other cross flow fan, and then is connected and fixed by the connecting screw 2305.

For example, as shown in fig. 5, the present invention provides an axial view of a blower in a cabinet air conditioner. One side of the connecting shaft 233 close to the connecting screw 2305 is provided with a limiting surface 2331, and the end surface of the connecting screw 2305 abuts against the limiting surface 2331 so as to press the connecting shaft 233 into the sleeve 2304. The end face of the connecting screw 2305 is one end of its nut in principle. During installation, the connecting screw 2305 is screwed into the threaded hole until the end face of the connecting screw 2305 abuts against the limiting surface 2331.

For example, the connecting shaft 233 has a hole therein, and a connecting screw 2305 is inserted into the hole. The holes can be blind holes or through holes. After the connecting screw 2305 is screwed into the sleeve 2304, its end portion is inserted into the hole to limit the connecting shaft 233 axially and circumferentially. The axis of the hole may be perpendicular to the axis of the connecting shaft 233.

In the embodiment of the present invention, the connecting shaft 233 is located between the first cross flow fan 231 and the second cross flow fan 232 and is provided with a first limiting member 2332 at a position close to the second cross flow fan 232, and the first limiting member 2332 is used for limiting the downward displacement of the second cross flow fan 232, i.e. the second cross flow fan 232 has a downward axial displacement relative to the connecting shaft 233. The first limiting member 2332 may be an annular boss protruding from the periphery of the connecting shaft 233.

In the embodiment of the present invention, the connection shaft 233 is located between the first crossflow fan 231 and the second crossflow fan 232, and a second limiting member 2333 is disposed at a position close to the first crossflow fan 231, and the second limiting member 2333 is used for limiting the downward displacement of the connection shaft 233, that is, limiting the downward axial displacement of the connection shaft 233. The second limiting member 2333 may be an annular boss protruding from the periphery of the connecting shaft 233.

As shown in fig. 1, in the embodiment of the present invention, an air outlet decoration plate 15 is disposed at the first air outlet 11, the air outlet decoration plate 15 is slidably mounted on the casing 1, and the air outlet decoration plate 15 has two states of opening and closing the first air outlet 11. When the fan heater is in a working state, the air outlet decorative plate 15 is opened; when the fan heater is not in operation, the air outlet decoration plate 15 can be selectively closed to prevent dust from entering the interior of the cabinet 1. Wherein, the first air outlet 11 is also provided with an air outlet decoration plate, and the decoration plates at the first air outlet 11 and the first air outlet 11 are mutually independent.

Further, the air outlet decorative plate 15 is provided with a plurality of air outlet holes 151, so that when the fan heater works, air blown out from the first air duct can be blown out of the casing 1 from the plurality of air outlet holes 151. The air outlet decorative plate 15 is opened to adopt a large-air-volume air supply mode; the air outlet decoration plate 15 is closed in a no-wind mode. Wherein, as shown in fig. 6, the utility model provides a partial structure elevation of cabinet air conditioner indoor unit, as shown in fig. 1 and fig. 6, the air outlet plaque 15 includes two sliding installation in the casing 1 to open arc slide.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An indoor cabinet air conditioner is characterized by comprising a machine shell, a heat exchanger, a heater and a fan, wherein a first air duct and a second air duct are arranged in the machine shell;

2. An indoor unit for an air conditioner as recited in claim 1 wherein each of said first and second axial fans includes a first end plate, a second end plate, a shaft connector and a plurality of blades, said plurality of blades being circumferentially distributed between said first and second end plates, said shaft connector being fixed to said first end plate, said shaft connector of said first axial fan being connected to said shaft connector of said second axial fan via said connecting shaft.

3. An indoor unit of an air conditioner as recited in claim 2, wherein said shaft connecting member includes a sleeve, said sleeve is disposed coaxially with said first cross flow fan and said second cross flow fan, and both ends of said connecting shaft are respectively inserted and fixed in said sleeves of said first cross flow fan and said second cross flow fan.

4. An indoor unit of an air conditioner as recited in claim 3 wherein said shaft connector further includes a connection screw, a threaded hole is opened on a side wall of said sleeve, said connection screw is disposed in said threaded hole, and said sleeve and said connection shaft are connected by said connection screw.

5. An indoor unit of an air conditioner as recited in claim 4 wherein a limiting surface is disposed on a side of said connecting shaft adjacent to said connecting screw, and an end surface of said connecting screw abuts against said limiting surface to press said connecting shaft in said sleeve.

6. An indoor unit of an air conditioner as recited in claim 4 wherein said connecting shaft has a hole therein, and said connecting screw is inserted into said hole.

7. An indoor unit for an air conditioner according to claim 2, wherein a first stopper is provided at a position of the connecting shaft between the first cross flow fan and the second cross flow fan and close to the second cross flow fan.

8. An indoor unit for an air conditioner according to claim 7, wherein a second stopper is provided at a position of the connecting shaft between the first cross flow fan and the second cross flow fan and close to the first cross flow fan.

9. An indoor unit of an air conditioner according to claim 8, wherein the first and second stoppers are both annular bosses protruded on a peripheral side of the connecting shaft.

10. An indoor unit for an air conditioner according to claim 2, wherein said shaft connecting member is of an integrally formed structure with said first end plate.