CN212869971U

CN212869971U - Air conditioner

Info

Publication number: CN212869971U
Application number: CN202021578971.1U
Authority: CN
Inventors: 谢宝臣; 王子涛
Original assignee: Hisense Shandong Air Conditioning Co Ltd
Current assignee: Hisense Air Conditioning Co Ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-02
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses an air conditioner, air conditioner includes: the air conditioner comprises a shell, a fan and a fan, wherein an air conditioner air duct is defined in the shell; the fresh air module is arranged on the shell and comprises a cross-flow fan, the fresh air module is provided with a fresh air duct, a fresh air inlet and a fresh air outlet, the fresh air inlet is communicated with the fresh air duct and is suitable for being communicated with the outside, the fresh air outlet is communicated with the fresh air duct and is suitable for being communicated with the outside, and the cross-flow fan is positioned in the fresh air duct; the fresh air outlet is provided with a flow limiting part, and the cross sectional area of the flow limiting part is smaller than that of the rest part of the fresh air outlet. According to the utility model discloses the air-conditioning room can realize the new trend function, and can prevent that the condition of refluence from appearing in the new trend exit to the noise reduction.

Description

Air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioner technique and specifically relates to an air conditioner is related to.

Background

Some air conditioners in the related art are provided with fresh air modules for realizing a fresh air function, the fresh air modules adopt cross-flow fans to realize the introduction and the sending of fresh air, but the static pressure of the cross-flow fans is low, for example, the cross-flow fans can only accept the resistance within 15Pa, after the fresh air modules are used for a period of time, the dust accumulation amount at the fresh air inlet is increased, and further the air inlet resistance is increased, when the difference between the pressure difference value between the inside and the outside of a fresh air duct and the air inlet resistance is small, the air inlet amount is reduced, so that the situation that the fresh air flows back into the fresh air duct from the fresh air outlet can occur, and the noise such as breathing can be generated at the fresh air.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an air conditioner, this air-conditioning room can realize the new trend function, and can prevent that the condition of refluence from appearing in new trend exit to the noise reduction.

In order to achieve the above object, an embodiment of the present invention provides an air conditioner, including: the air conditioner comprises a shell, a fan and a fan, wherein an air conditioner air duct is defined in the shell; the fresh air module is arranged on the shell and comprises a cross-flow fan, the fresh air module is provided with a fresh air duct, a fresh air inlet and a fresh air outlet, the fresh air inlet is communicated with the fresh air duct and is suitable for being communicated with the outside, the fresh air outlet is communicated with the fresh air duct and is suitable for being communicated with the inside, and the cross-flow fan is positioned in the fresh air duct; the fresh air outlet is provided with a flow limiting part, and the cross sectional area of the flow limiting part is smaller than that of the rest part of the fresh air outlet.

According to the utility model discloses the air-conditioning room can realize the new trend function, and can prevent that the condition of refluence from appearing in the new trend exit to the noise reduction.

According to some embodiments of the utility model, the current-limiting portion is located keeping away from of new trend export the one end in new trend wind channel, the cross-sectional area orientation of new trend export the current-limiting portion reduces gradually.

According to some embodiments of the utility model, the current-limiting portion is located between the both ends of new trend export, the cross-sectional area of new trend export is followed its both ends orientation the current-limiting portion reduces gradually.

According to the utility model discloses a some embodiments, new trend module still includes: a first fresh air casing; the second fresh air shell and the first fresh air shell define the fresh air inlet, the fresh air outlet and the fresh air channel together; and the filter element is arranged in the fresh air duct and is adjacent to the fresh air inlet.

According to some embodiments of the present invention, the rotation axis of the cross-flow fan extends along the length direction of the housing, the first fresh air shell and the second fresh air shell both have an extension, and the fresh air outlet is provided in the extension.

According to some embodiments of the present invention, the first fresh air shell and the second fresh air shell are arranged along the front-rear direction and the first fresh air shell is located in front of the second fresh air shell.

According to some embodiments of the utility model, filter the piece including coarse filtration layer and high-efficient filter layer, coarse filtration layer with the range upon range of setting of high-efficient filter layer, just the coarse filtration layer for high-efficient filter layer is more adjacent the new trend import.

According to some embodiments of the invention, the cross section of the filter element is arc-shaped and surrounds the cross-flow fan.

According to the utility model discloses a some embodiments, new trend module includes: the fresh air pipe head is communicated with the fresh air inlet; fresh air pipe, fresh air pipe connect in fresh air tube head and with fresh air tube head intercommunication, the new trend import passes through fresh air tube head with fresh air pipe and outdoor intercommunication.

According to some embodiments of the utility model, the air conditioner wind channel with the new trend wind channel sets up independently each other.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an air conditioner according to an embodiment of the present invention.

Fig. 2 is an exploded view of an air conditioner according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of an air conditioner according to another embodiment of the present invention.

Fig. 4 is an exploded view of an air conditioner according to another embodiment of the present invention.

Fig. 5 is a schematic structural view of an air conditioner according to still another embodiment of the present invention.

Fig. 6 is an exploded view of an air conditioner according to still another embodiment of the present invention.

Reference numerals:

the fresh air device comprises an air conditioner 100, a shell 110, a fresh air module 120, a cross flow fan 121, a first fresh air shell 122, a second fresh air shell 123, a filter element 124, a fresh air duct 130, a fresh air inlet 140, a flow limiting part 141, a fresh air outlet 150, a fresh air pipe head 170 and a fresh air pipe 180.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more.

An air conditioner 100 according to an embodiment of the present invention is described below with reference to the accompanying drawings.

As shown in fig. 1 to 6, an air conditioner 100 according to an embodiment of the present invention includes a housing 110 and a fresh air module 120.

An air-conditioning air duct is defined in the casing 110, the air-conditioning air duct can be used for circulation of air flow under the conventional functions of air conditioners such as refrigeration, heating and dehumidification, the fresh air module 120 is installed on the casing 110, the fresh air module 120 comprises a cross-flow fan 121, the fresh air module 120 is provided with a fresh air duct 130, a fresh air inlet 140 and a fresh air outlet 150, the fresh air inlet 140 is communicated with the fresh air duct 130 and is suitable for being communicated with the outdoor, the fresh air outlet 150 is communicated with the fresh air duct 130 and is suitable for being communicated with the indoor, the cross-flow fan 121 is located in the fresh air duct 130, wherein the fresh air outlet 150 is provided with a flow limiting part 141, and the cross.

According to the utility model discloses air conditioner 100, through installing new trend module 120 in casing 110, new trend module 120 is equipped with new trend wind channel 130, new trend import 140 and new trend export 150, new trend import 140 and new trend wind channel 130 intercommunication just be suitable for with outdoor intercommunication, new trend export 150 just be suitable for with indoor intercommunication with new trend wind channel 130 intercommunication, can extract outdoor air indoor like this, realize the new trend function, increase indoor air's cleanliness, improve the travelling comfort of environment.

In addition, the cross flow fan 121 is located in the fresh air duct 130, and the operation noise of the fresh air module 120 can be reduced by arranging the cross flow fan 121 (the noise of the cross flow fan itself is smaller than that of the centrifugal fan), and, on the basis, the fresh air outlet 150 is further provided with a flow restriction part 141, and the cross-sectional area of the flow restriction part 141 is smaller than that of the rest of the fresh air outlet 150, it can be understood that, under the condition of the same air quantity, the flow velocity of the air is increased when the cross section area of the air flowing through the space is reduced, so the flow velocity of the fresh air is increased at the flow limiting part 141, even if the fresh air module 120 is used for a period of time, the air inlet resistance of the fresh air inlet 140 is increased due to the increase of the dust accumulation amount, according to the thermodynamic principle of engineering, the pressure of the fresh air passing through the flow limiting part 141 is obviously reduced, and the probability that the fresh air flows back into the fresh air module 120 from the fresh air outlet 150 is low, so that the probability that the noise is generated by the fresh air outlet 150 is reduced. In addition, because the air quantity in the fresh air duct 130 is reduced, the pressure difference between the inside and the outside of the fresh air duct 130 is increased, and the air inlet quantity can be increased.

Therefore, according to the utility model discloses air conditioner 100 can realize the new trend function, and can prevent that the condition of refluence from appearing in the new trend exit to the noise reduction.

According to some embodiments of the present invention, as shown in fig. 5-6, the flow limiting portion 141 is located at an end of the fresh air outlet 150 away from the fresh air duct 130, and the cross-sectional area of the fresh air outlet 150 gradually decreases toward the flow limiting portion 141. Therefore, the air outlet speed of the fresh air can be continuously increased, and the probability that the fresh air flows back to the fresh air module 120 is further reduced.

Further, as shown in fig. 1 to 4, the flow restriction portion 141 is located between both ends of the fresh air outlet 150, and the cross-sectional area of the fresh air outlet 150 gradually decreases from both ends thereof toward the flow restriction portion 141. In other words, the cross-sectional area of the fresh air outlet 150 gradually decreases and then gradually increases along the air outlet direction. Like this after new trend flows through current-limiting part 141, the probability that new trend flows back to new trend module 120 has been lower, then the new trend is in the region that the cross-sectional area is greater than current-limiting part 141 that flows through, and the new trend velocity of flow slows down, can avoid producing the noise that the new trend flows, has further reduced the holistic noise of new trend module 120.

According to some embodiments of the present invention, as shown in fig. 1-6, the fresh air module 120 further includes a first fresh air shell 122, a second fresh air shell 123, and a filter 124.

The second fresh air shell 123 and the first fresh air shell 122 define a fresh air inlet 140, a fresh air outlet 150 and a fresh air duct 130, and the filter 124 is disposed at the fresh air inlet 140. Therefore, the fresh air module 120 is split, so that the filter element 124 and the cross-flow fan 121 can be conveniently disassembled and assembled, and parts can be easily repaired and replaced. In addition, the fresh air module 120 combines with the air inlet and outlet direction of the cross flow fan 121, and the first fresh air shell 122, the second fresh air shell 123 and the filter element 124 are arranged along the circumferential direction of the cross flow fan 121, so that not only can effective conveying and filtering of fresh air be ensured, but also the structures of the first fresh air shell 122 and the second fresh air shell 123 are simpler, and the cost is lower, for example, as shown in the attached drawings, the first fresh air shell 122 and the second fresh air shell 123 can be in an open structure at two axial sides of the cross flow fan 121.

According to some embodiments of the present invention, as shown in fig. 1-6, the rotation axis of the cross-flow fan 121 extends along the length direction of the casing 110, the first fresh air casing 122 and the second fresh air casing 123 have extension portions, and the fresh air outlet 150 is provided in the extension portions (not shown).

For example, the first fresh air casing 122 and the second fresh air casing 123 have an extension portion inclined toward the air outlet, that is, the extension portion gradually approaches the air outlet as extending toward the fresh air outlet 150. The air-out direction of new trend export 150 and air-conditioner air outlet's air-out direction set up like this with certain angle ground to make new trend export 150's air-out and air-conditioner wind cross outside casing 110, because there is certain difference in temperature in the temperature of new trend and air-conditioner wind's temperature, the air-out of the new trend export of air conditioner among the correlation technique separately discharges indoor different positions with air-conditioner air outlet's air-out, can cause indoor temperature inhomogeneous everywhere, influences the travelling comfort of indoor environment, the utility model discloses an air conditioner 100 crosses new trend air-out and air-conditioner air-out through setting up the extension, and new trend and air-conditioner wind are handed over and are met and are mixed, and in the heat transfer between them is even, then flow everywhere indoor to can improve indoor temperature distribution's homogeneity, increase.

In addition, the length of the transmission path of the fresh air is increased, noise generated when the fresh air module 120 operates is mainly transmitted to the indoor along with the fresh air outlet, the transmission path of the fresh air outlet is increased, the transmission path of the noise is also increased, and therefore the noise is more lost in transmission, and the noise of the fresh air module 120 is further reduced.

According to some embodiments of the present invention, as shown in fig. 1 to 6, the first fresh air case 122 and the second fresh air case 123 are arranged in the front-rear direction and the first fresh air case 122 is located in front of the second fresh air case 123. As shown in fig. 5 and 6, the fresh air outlet 150 may face upward, as shown in fig. 3 and 4, the fresh air outlet 150 may face forward, or as shown in fig. 1 and 2, the fresh air outlet 150 may face downward, and the fresh air inlet 140 is located at the rear lower portion of the air conditioner. This facilitates the communication between the fresh air inlet 140 and the outside, and also saves the space in the longitudinal direction inside the casing 110.

According to some embodiments of the present disclosure, as shown in fig. 1-6, the Filter 124 includes a coarse Filter layer and a High efficiency Filter layer (HEPA), which are stacked, and the coarse Filter layer is closer to the fresh air inlet 140 than the High efficiency Filter layer. Large particle impurities in the new trend can be filtered in advance through the coarse filter layer, the small particle impurities in the new trend are filtered to the high-efficient filter layer of rethread, and then use through the cooperation of coarse filter layer and high-efficient filter layer, impurity quantity and impurity volume in the new trend have not only greatly been reduced, guarantee to filter the filtration efficiency of piece 124 to can increase the life who filters piece 124, reduce the change or the clear frequency of filtering piece 124.

According to some embodiments of the present invention, as shown in fig. 1-6, the cross-section of the filter 124 is arc-shaped and disposed around the crossflow blower 121. So, the cross section is that curved filter piece 124 is bigger with the area of contact between the new trend, can improve like this and filter the filtration efficiency of piece 124 to the new trend to improve new trend efficiency and fresh air volume, and curved structure setting can compromise new trend module 120's inner space, combines cross flow fan 121's structure, with improvement space utilization, and then does benefit to the miniaturization of air conditioner 100.

According to some embodiments of the present invention, as shown in fig. 1-6, the fresh air module 120 includes a fresh air pipe head 170 and a fresh air pipe 180, the fresh air pipe head 170 communicates with the fresh air inlet 140, the fresh air pipe 180 connects to the fresh air pipe head 170 and communicates with the fresh air pipe head 170, and the fresh air inlet 140 communicates with the outdoor through the fresh air pipe head 170 and the fresh air pipe 180. Thereby facilitating the introduction of outdoor fresh air and the arrangement of the fresh air module 120.

For example, the fresh air pipe head 170 may be an elbow pipe, so that the path of the outdoor fresh air entering the fresh air duct 130 is turned, and the fresh air pipe head 170 and the fresh air pipe 180 are conveniently arranged in the casing 110, so that the space inside the casing 110 is fully utilized, and the fresh air module 120 occupies a smaller space and is arranged at a required position.

According to some embodiments of the present invention, as shown in fig. 1-6, the air conditioning duct and the fresh air duct 130 are disposed independently of each other.

It is understood that a temperature adjusting module (not shown) is disposed in the air conditioning duct, and the temperature adjusting module may be used for adjusting the indoor temperature, for example, the temperature adjusting module may have a heating mode and a cooling mode, and the temperature adjusting module may include components such as a heat exchanger and an indoor fan. Therefore, the mutual interference between the fresh air module 120 and the temperature adjusting module can be avoided, and the normal work of the fresh air module 120 and the temperature adjusting module can be ensured. In addition, when the temperature adjusting module is in a refrigerating state, because the temperature of the fresh air in the fresh air duct 130 is higher than that of the air conditioning duct, the air conditioning duct and the fresh air duct 130 are separately arranged, so that the humidity in the air conditioning duct can be reduced, and the interval time of discharging condensed water of the air conditioner 100 can be increased.

In addition, the air flow transmission of the air conditioning duct and the fresh air duct 130 does not affect each other inside the air conditioner 100, which facilitates independent control of each function, for example, when the cooling and heating functions are implemented, and if parameters such as temperature, flow rate and humidity need to be detected for control, the fresh air and the air conditioning duct do not interfere with each other, so that required parameters can be accurately obtained, and the control accuracy is facilitated.

Other configurations and operations of the air conditioner 100 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

The air conditioner 100 in the present application performs a refrigeration cycle of the air conditioner 100 by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.

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

The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner 100 can adjust the temperature of the indoor space throughout the cycle.

The outdoor unit of the air conditioner 100 refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner 100 includes an indoor heat exchanger, and an expansion valve may be provided in the indoor unit or the outdoor unit. It is understood that the components described in the embodiments of the present invention, such as the housing 110 and the fresh air module 120, may be attributed to the indoor unit.

The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner 100 is used as a heater for a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner 100 is used as a cooler for a cooling mode.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An air conditioner, comprising:

the air conditioner comprises a shell, a fan and a fan, wherein an air conditioner air duct is defined in the shell;

the fresh air module is arranged on the shell and comprises a cross-flow fan, the fresh air module is provided with a fresh air duct, a fresh air inlet and a fresh air outlet, the fresh air inlet is communicated with the fresh air duct and is suitable for being communicated with the outside, the fresh air outlet is communicated with the fresh air duct and is suitable for being communicated with the inside, and the cross-flow fan is positioned in the fresh air duct;

the fresh air outlet is provided with a flow limiting part, and the cross sectional area of the flow limiting part is smaller than that of the rest part of the fresh air outlet.

2. The air conditioner of claim 1, wherein the flow restriction is located at an end of the fresh air outlet away from the fresh air duct, and a cross-sectional area of the fresh air outlet gradually decreases toward the flow restriction.

3. The air conditioner according to claim 1, wherein the flow restriction portion is located between both ends of the fresh air outlet, and a cross-sectional area of the fresh air outlet is gradually reduced from both ends thereof toward the flow restriction portion.

4. The air conditioner of any one of claims 1-3, wherein the fresh air module further comprises:

a first fresh air casing;

the second fresh air shell and the first fresh air shell define the fresh air inlet, the fresh air outlet and the fresh air channel together;

and the filtering piece is arranged at the fresh air inlet.

5. The air conditioner as claimed in claim 4, wherein the rotation axis of the cross flow fan extends along a length direction of the casing, and the first and second fresh air casings each have an extension portion at which the fresh air outlet is provided.

6. The air conditioner according to claim 4, wherein the first fresh air casing and the second fresh air casing are arranged in a front-rear direction and the first fresh air casing is positioned in front of the second fresh air casing.

7. An air conditioner according to claim 4, wherein the filter member includes a coarse filter layer and a high efficiency filter layer, the coarse filter layer and the high efficiency filter layer being arranged in a stacked relationship, and the coarse filter layer being located closer to the fresh air inlet than the high efficiency filter layer.

8. The air conditioner according to claim 4, wherein the filter member is arc-shaped in cross section and disposed around the cross-flow fan.

9. The air conditioner of claim 4, wherein the fresh air module comprises:

the fresh air pipe head is communicated with the fresh air inlet;

fresh air pipe, fresh air pipe connect in fresh air tube head and with fresh air tube head intercommunication, the new trend import passes through fresh air tube head with fresh air pipe and outdoor intercommunication.

10. The air conditioner of claim 1, wherein the air conditioning duct and the fresh air duct are provided independently of each other.