CN214275951U

CN214275951U - Indoor unit of air conditioner

Info

Publication number: CN214275951U
Application number: CN202120358489.5U
Authority: CN
Inventors: 许纪刚; 焦学超; 王永琳
Original assignee: Hisense Shandong Air Conditioning Co Ltd
Current assignee: Hisense Shandong Air Conditioning Co Ltd
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2021-09-24
Anticipated expiration: 2031-02-09

Abstract

An indoor unit of an air conditioner, comprising: the air conditioner comprises a shell, a fan and a fan, wherein an air inlet and an air outlet are formed in the shell; the volute is arranged in the machine shell, and an air channel communicated with the air inlet and the air outlet is formed in the volute; the V-shaped heat exchanger is arranged in the air duct and is used for exchanging heat for air entering from the air inlet; the fan is arranged in the air duct and positioned at the downstream of the heat exchanger and used for driving air to flow; the heating assembly is arranged between the heat exchanger and the fan and used for heating air passing through the V-shaped heat exchanger; wherein, the minimum distance between the heating assembly and the upper half part of the V-shaped heat exchanger is L1, the minimum distance between the heating assembly and the lower half part of the V-shaped heat exchanger is L2, and the relation between L1 and L2 satisfies: l2 is more than or equal to 110 percent and is more than or equal to 90 percent L1. L1 the utility model has the advantages that: the minimum linear distance between the heating assembly and the upper part and the lower part of the heat exchanger is controlled, so that the heating effect of the air passing through the heat exchanger is obviously improved.

Description

Indoor unit of air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioner, especially, relate to an indoor unit of air conditioner.

Background

At present, in the air conditioner industry, the structural forms of the existing conventional air duct machine products are mostly: centrifugal fan + heat exchanger in line, because centrifugal fan size itself is great, in order to guarantee heat transfer capacity, heat exchanger in line inclination is great, leads to width size also great, finally leads to the machine depth size great. The final user house ornamentation furred ceiling degree of depth that leads to is great, increases the room and suppresses the sense, and the aesthetic property is poor, and the installation cost is high, along with the continuous improvement that people pursue the quality of life, more and more family user installation central air conditioner has been had, and central air conditioner is domestic to be trendy, therefore how to let the product narrow type, reduces the product noise, is the future development direction of central air conditioner family ization, only the product narrow type, the low meeting family user's that just can be better demand of noise. The ducted air conditioner suitable for commercial places is directly applied to family scenes, and the phenomenon of 'water and soil are not uniform' exists, for example, the heating function is added on the ducted air conditioner, a heating assembly needs to be added in the ducted air conditioner, but the size of the ducted air conditioner can be increased by adding the heating assembly, and the oppression feeling to users is increased.

Disclosure of Invention

An embodiment of the utility model provides an indoor set of air conditioning provides a control heating element and two parts minimum distance about the heat exchanger during the main objective to improve the indoor set of air conditioning of air conditioner electricity auxiliary heating effect.

The embodiment of the utility model provides an in the air conditioning indoor unit, include: the air conditioner comprises a shell, a fan and a fan, wherein an air inlet and an air outlet are formed in the shell; the volute is arranged in the machine shell, and an air channel communicated with the air inlet and the air outlet is formed in the volute; the V-shaped heat exchanger is arranged in the air duct and is used for exchanging heat for air entering from the air inlet; the fan is arranged in the air duct and positioned at the downstream of the heat exchanger and used for driving air to flow; the heating assembly is arranged between the heat exchanger and the fan and used for heating air passing through the V-shaped heat exchanger; wherein, the minimum distance between the heating assembly and the upper half part of the V-shaped heat exchanger is L1, the minimum distance between the heating assembly and the lower half part of the V-shaped heat exchanger is L2, and the relation between L1 and L2 satisfies: the heating effect of the air passing through the heat exchanger is obviously improved by controlling the minimum linear distance between the heating assembly and the upper part and the lower part of the heat exchanger, wherein L2 is more than or equal to 90 percent L1 and less than or equal to 110 percent L1.

The utility model discloses an in the embodiment, the lower inner wall in wind channel has first snail tongue in air outlet department, and the last inner wall in wind channel has second snail tongue in air inlet department.

The utility model discloses an in the embodiment, the left side of fan is provided with and is used for driving fan pivoted motor.

The utility model discloses an in the embodiment, the left side of casing is provided with the electrical apparatus box subassembly, and the electrical apparatus box subassembly is located the below of motor.

The utility model discloses an in the embodiment, one side of electrical apparatus box subassembly is provided with temperature and humidity sensor.

The utility model discloses an in the embodiment, V type heat exchanger's below is provided with the water collector, and the water collector is used for collecting the comdenstion water that V type heat exchanger produced.

The utility model discloses an in the embodiment, the bottom plate of casing comprises detachable casing bottom plate and detachable electrical apparatus lid, and casing bottom plate is used for supporting the water collector, and the electrical apparatus lid is used for sealing the electrical apparatus box subassembly in the casing.

In the embodiment of the present invention, the left side of the casing is provided with a wire inlet and a wire outlet, and the wire inlet and the wire outlet are perpendicular to each other.

The utility model discloses an in the embodiment, the right side of casing is provided with water pump assembly.

The utility model discloses an in the embodiment, be provided with the water pump drain pipe that extends to the outside of casing on the water pump assembly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a top view of an indoor unit of an air conditioner according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic view of an indoor unit of an air conditioner according to an embodiment of the present invention, illustrating a bottom plate of a casing removed;

fig. 4 is a schematic view of an indoor unit of an air conditioner according to an embodiment of the present invention, illustrating an electrical box cover and a bottom plate of a casing;

FIG. 5 is a schematic view of an inlet and an outlet of an electrical box of an indoor unit of an air conditioner according to an embodiment of the present invention;

1. a housing; 101. an air inlet; 102. an air outlet; 103. a chassis base plate; 2. a volute; 3. a fan; 301. a motor; 4. a V-shaped heat exchanger; 401. an upper heat exchanger; 402. a lower heat exchanger; 5. a heating assembly; 6. a water pan; 601. a drain pipe of the water pan; 7. installing a lifting hook; 8. an air purification module; 9. an electrical box assembly; 901. a wire inlet; 902. an outlet; 903. an electric appliance box cover; 10. a temperature and humidity sensor; 11. a throttle assembly; 12. a refrigerant pipe outlet pipe; 13. a water pump assembly; 1301. and (4) a water pump drain pipe.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely 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, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

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 be, for example, fixedly connected, detachably connected, or integrally 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.

A compressor, a condenser, an expansion valve, and a heat exchanger are provided in an air conditioner, and the air conditioner performs a refrigeration cycle of the air conditioner by using the compressor, the condenser, the expansion valve, and the heat exchanger. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and heat exchange, 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 heat exchanger exchanges heat of the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The heat exchanger may achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.

The outdoor unit of the air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner includes an indoor heat exchanger, and the expansion valve may be provided in the indoor unit or the outdoor unit.

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

Referring to fig. 1 to 5, the air conditioner is a duct machine in the present application, an air inlet 101 is disposed at one end of the housing 1, an air outlet 102 is disposed at the other end of the housing 1, and the air inlet 101 and the air outlet 102 of the housing 1 are communicated with each other, so that air can enter the housing 1 from the air inlet 101 and then leave the housing 1 from the air outlet 102 to supply air to an indoor space where a user is located.

A volute 2 is arranged in the machine shell 1, an air channel communicated with an air inlet 101 and an air outlet 102 is arranged in the volute 2, the air channel in the volute 2 is in a curve shape, the V-shaped heat exchanger 4 is arranged at the position of the air duct close to the air inlet 101, when air enters the air duct of the volute 2 in the machine shell 1 from the air inlet 101, the V-shaped heat exchanger 4 firstly exchanges heat with the air, and according to the working mode of the air conditioner, the air is cooled or heated to realize the cooling or heating function of the air conditioner, meanwhile, in order to drive the air to enter the air channel from the air inlet 101 and leave the air channel from the air outlet 102, a fan 3 is arranged at the downstream of the V-shaped heat exchanger 4 in the air duct, when a fan in the fan 3 rotates, under the action of the rotation of the fan 3, air flows in the direction of the arrow in fig. 2, flows into the air duct from the air inlet 101, and leaves the air duct from the air outlet 102, so that the indoor air supply function is realized.

The utility model discloses an in order to improve the air supply effect of air conditioner, spiral case 2 is provided with first snail tongue at the lower inner wall of wind channel near air outlet 102, and first snail tongue comprises two parts, and the part of first snail tongue towards air outlet 102 is the wind-guiding surface, and the part of first snail tongue towards air intake 101 is the windward side, and first snail tongue lies in and adopts circular arc transitional coupling between wind-guiding surface peak and the windward side peak. The embodiment of the utility model provides an in, the last inner wall in wind channel is provided with the second spiral tongue in the position that is close to air intake 101, and first spiral tongue and the cooperation of second spiral tongue through the wind channel improve the air supply effect of machine in the air conditioning.

In order to improve the heating effect of the air-conditioning indoor unit, in the embodiment of the present invention, an electric auxiliary heating function is added to the air-conditioning indoor unit, a heating assembly 5 is disposed between the V-shaped heat exchanger 4 and the fan 3, and a space is left between the heating assembly 5 and the V-shaped heat exchanger 4, so that the maximum portion of air passing through the V-shaped heat exchanger 4 can be heated up by the heating assembly 5, in the present embodiment, the V-shaped heat exchanger 4 includes an upper heat exchanger 401 and a lower heat exchanger 402, the top of the upper heat exchanger 401 is pressed against the top surface of the casing 1, the bottom of the upper heat exchanger 401 is connected with the top of the lower heat exchanger 402, the bottom of the lower heat exchanger 402 is disposed on the casing bottom plate 103, an included angle is formed between the upper heat exchanger 401 and the lower heat exchanger 402, so that the minimum distance between the heating assembly 5 and the upper heat exchanger 401 is different from the minimum distance between the heating assembly 5 and the lower heat exchanger 402, therefore, the minimum distance between the heating assembly 5 and the upper heat exchanger 401 and the lower heat exchanger 402 need to be adjusted, to improve the electrically assisted heating of the heating element 5.

Referring to fig. 2, the minimum distance between the heating module 5 and the upper heat exchanger 401 is L1, the minimum distance between the heating module 5 and the lower heat exchanger 402 is L2, and in the present embodiment, the relationship between L1 and L2 satisfies: l2 is more than or equal to 92% L1 and less than or equal to 108% L1, and L2 is actually selected to be 105% L1, so that the distance L2 between the heating component 5 and the lower heat exchanger 402 is larger than the distance L1 between the heater group 5 and the upper heat exchanger 401, and the heating effect of starting the electric auxiliary heat of the indoor unit of the air conditioner is improved.

In the embodiment of the present invention, the air duct of the spiral case 2 is a cross flow air duct, and the fan 3 is a cross flow fan.

Further, in the embodiment of the utility model provides an in the air conditioning, machine has air purification function and temperature and humidity adjustment function, is provided with air purification module 8 in the left side of casing 1 to purify the air that gets into from air intake 101, so that the user is in healthy living environment.

A motor 301 for driving the fan 3 to rotate is arranged on the left side of the fan 3, an electrical box assembly 9 is arranged on the left side of the casing 1 below the motor 301, the shape of the electrical box assembly 9 is similar to a trapezoid, the width of the portion, connected with the casing 1, of the electrical box assembly 9 is narrower, the width of the electrical box assembly 9 is gradually increased from the portion, connected with the casing 1, to the tail end of the electrical box assembly 9, so that the electrical box assembly 9 is in the shape of the trapezoid, a temperature and humidity sensor 10 is arranged on one side of the position, connected with the casing 1, of the electrical box assembly 9, the shape of the temperature and humidity sensor 10 is in the shape of the trapezoid, the temperature and humidity sensor 10 and the electrical box assembly 9 are combined to occupy a rectangular space on the left side of the casing 1, the temperature and humidity sensor 10 is used for sensing the temperature and humidity of air, the electrical box assembly 9 is used for controlling the air conditioner to complete commands sent by various users, and the temperature and humidity sensor 10 and the electrical box assembly 9 are combined to effectively utilize the space in the casing 1 of the indoor unit of the ducted air conditioner, the size of the indoor unit of the air conditioner is reduced, and the oppressive feeling of a user in space is reduced.

The right side of the machine shell 1 is provided with a water pump assembly 13, the water pump assembly 13 is communicated with a water source like a household faucet, after the humidifying function of the air conditioner is started, the water pump assembly 13 sends water into an air channel, the humidity in the air is improved, a water pump drainage pipe 1301 extending out of the machine shell 1 is arranged on the water pump assembly 13, and therefore residual water in the water pump assembly 13 is drained after the humidifying function of the indoor unit of the air conditioner is stopped.

The right side of the casing 1 is provided with a throttling assembly 11 and a refrigerant pipe outlet pipe 12, and the throttling assembly 11 and the refrigerant pipe outlet pipe 12 are used for being communicated with a central air-conditioning system of the air duct machine so as to complete the circulation process of the refrigerant in the V-shaped heat exchanger 4.

The utility model discloses an in the embodiment, the bottom of V type heat exchanger 4 is provided with water collector 6, and water collector 6 is used for collecting the comdenstion water that V type heat exchanger 4 produced, is provided with water collector drain pipe 601 that extends to the casing 1 outside on water collector 6 to the user is with the water discharge casing 1 in the water collector 6, prevents that the comdenstion water from piling up in casing 1.

Casing 1's bottom surface includes detachable casing bottom plate 103 and detachable electrical apparatus lid 903, because the tuber pipe machine is usually fixed on the bolt of ceiling through the lifting hook, consequently can't dismantle whole tuber pipe machine at maintenance tuber pipe machine, for the convenience to the tuber pipe machine maintenance, casing 1's bottom surface comprises detachable casing bottom plate 103 and detachable electrical apparatus lid 903, water collector 6 sets up on casing bottom plate 103, clean water collector 6 through dismantling casing bottom plate 103 butt joint, maintain electrical apparatus box subassembly 9 through dismantling electrical apparatus lid 903.

The left side of the casing 1 is provided with a wire inlet 901 and a wire outlet 902, the electrical box assembly 9 is arranged on the left side of the casing 1, the electrical box assembly 9 is connected with the wire outlet 902 through the wire inlet 901, and the wire inlet 901 is perpendicular to the wire outlet 902.

In summary, the present invention is only a specific embodiment, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An indoor unit of an air conditioner, comprising:

the air conditioner comprises a shell, a fan and a fan, wherein an air inlet and an air outlet are formed in the shell;

the volute is arranged in the machine shell, and an air duct communicated with the air inlet and the air outlet is arranged inside the volute;

the V-shaped heat exchanger is arranged in the air duct and is used for exchanging heat of air entering from the air inlet;

the fan is arranged in the air duct and positioned at the downstream of the heat exchanger and used for driving air to flow;

the heating assembly is arranged between the heat exchanger and the fan and used for heating the air passing through the V-shaped heat exchanger;

wherein the content of the first and second substances,

the minimum distance between the heating assembly and the upper half part of the V-shaped heat exchanger is L1, the minimum distance between the heating assembly and the lower half part of the V-shaped heat exchanger is L2, and the relation between L1 and L2 satisfies that: l2 is less than or equal to 110 percent and L1 is less than or equal to 90 percent L1.

2. An indoor unit of an air conditioner according to claim 1, wherein: the lower inner wall of the air duct is provided with a first volute tongue at the air outlet, and the upper inner wall of the air duct is provided with a second volute tongue at the air inlet.

3. An indoor unit of an air conditioner according to claim 2, wherein: and a motor for driving the fan to rotate is arranged on the left side of the fan.

4. An indoor unit of an air conditioner according to claim 3, wherein: an electric box assembly is arranged on the left side of the casing and is located below the motor.

5. An indoor unit of an air conditioner according to claim 4, wherein: and a temperature and humidity sensor is arranged on one side of the electric box assembly.

6. An indoor unit of an air conditioner according to claim 4, wherein: and a water receiving tray is arranged below the V-shaped heat exchanger and used for collecting condensed water generated by the V-shaped heat exchanger.

7. An indoor unit of an air conditioner according to claim 6, wherein: the bottom plate of the casing is composed of a detachable casing bottom plate and a detachable electrical appliance box cover, the casing bottom plate is used for supporting the water pan, and the electrical appliance box cover is used for sealing the electrical appliance box assembly in the casing.

8. An indoor unit of an air conditioner according to claim 4, wherein: the left side of the shell is provided with a wire inlet and a wire outlet, and the wire inlet is vertical to the wire outlet.

9. An indoor unit of an air conditioner according to claim 1, wherein: and a water pump assembly is arranged on the right side of the machine shell.

10. An indoor unit of an air conditioner according to claim 9, wherein: and a water pump drainage pipe extending to the outside of the shell is arranged on the water pump assembly.