CN217357443U

CN217357443U - Indoor unit of air conditioner

Info

Publication number: CN217357443U
Application number: CN202220725656.XU
Authority: CN
Inventors: 尚庆安
Original assignee: Hisense Air Conditioning Co Ltd
Current assignee: Hisense Air Conditioning Co Ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-09-02
Anticipated expiration: 2032-03-30

Abstract

The utility model provides an indoor unit of air conditioner, include: a housing and a sensor cartridge; the sensor box sets up in the inboard of casing, is provided with a plurality of sensor module in the sensor box, and air admission sensor box flows through a plurality of sensor module, and a plurality of sensor module detect the temperature, humidity, PM2.5 concentration and the gaseous concentration of TVOC of air respectively. The temperature can be adjusted, various harmful substances in the air can be detected, and the air quality can be adjusted.

Description

Indoor unit of air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioning technique and specifically relates to an indoor unit of air conditioner.

Background

With the progress of the times, people pay more and more attention to the air quality, more and more people hope that the air not only can adjust the temperature, but also can adjust the air quality, especially can carry out automatic adjustment according to the quality of the indoor air, and this needs to carry out relevant detection on the air quality, such as PM2.5, TVOC, temperature, humidity, etc., but each detection corresponds to a sensor, and the structure is more complicated and the cost is higher.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving one of the technical problems in the related art at least to a certain extent. For this purpose,

according to an embodiment of the present disclosure, there is provided an air conditioning indoor unit including: a housing and a sensor cartridge; the sensor box sets up in the inboard of casing, is provided with a plurality of sensor module in the sensor box, and the air admission sensor box flows through a plurality of sensor module, and a plurality of sensor module detect the temperature, humidity, PM2.5 concentration and the gaseous concentration of TVOC of air respectively.

To sum up, set up an integrated sensor box on the panel in the casing, set up a plurality of sensor module in the sensor box, leave certain clearance between the sensor module, mutual noninterference has seted up the vent simultaneously on the sensor box and has supplied the circulation of air for a plurality of sensor module can enough detect temperature and humidity, can detect multiple harmful substance of air again, and transmit for host system, realize the regulation of air quality.

In some embodiments of the present application, disposed within the sensor cartridge are: a circuit board; the dust sensor is arranged on the circuit board and used for detecting the concentration of PM2.5 in the air; the TVOC sensor is arranged at the corner of the circuit board away from the dust sensor and is used for detecting the concentration of the TVOC gas in the air; and the temperature and humidity sensor is far away from the dust sensor and the TVOC sensor and is arranged at the corner of the circuit board and used for detecting the indoor temperature and humidity.

In some embodiments of the present application, the dust sensor is provided with a first airflow port, a second airflow port, and an irradiation cavity, the irradiation cavity is communicated with the first airflow port and the second airflow port, and after entering the sensor box, external air enters the dust sensor from the first airflow port and flows out from the second airflow port after flowing through the irradiation cavity.

In some embodiments of the present application, a lens is disposed within the illumination cavity, the lens being configured to emit infrared or laser light to illuminate dust in the airflow.

In some embodiments of the present application, a sensor cartridge comprises: the sensor cartridge includes: the edge of the top cover is provided with a first buckle, and the top cover is provided with a lens window corresponding to the lens; the edge of the bottom cover is provided with a seam allowance which is clamped in the first buckle to connect the top cover and the bottom cover; the lens cap, the one end of lens cap is provided with the connecting plate, and its other end is provided with joint portion, and the mounting hole has been seted up to the one end of lens window, and the connecting plate block is in the mounting hole, and the other end of lens window is provided with the second buckle, and joint portion block is in the second buckle.

In some embodiments of the present application, the top cover is provided with a first ventilation opening and a second ventilation opening at positions corresponding to the dust sensor, and air flows into the sensor box from the first ventilation opening, flows through the dust sensor, and then flows out from the second ventilation opening.

In some embodiments of the application, the top cover is provided with a third air vent and a fourth air vent corresponding to the position of the TVOC sensor, and air flows into the sensor box from the third air vent and flows out from the fourth air vent after flowing through the TVOC sensor box.

In some embodiments of the application, the top cover is provided with a fifth ventilation opening and a sixth ventilation opening corresponding to the position of the temperature and humidity sensor, and air flows into the sensor box from the fifth ventilation opening and flows out from the sixth ventilation opening after flowing through the temperature and humidity sensor.

In some embodiments of the application, a display box is further arranged in the casing, a wire passing hole is formed in the bottom cover, and the circuit board is connected to the display box through the wire passing hole in a penetrating mode through a connecting wire.

In some embodiments of the present application, a mounting groove is convexly formed on the housing, a mounting rod is arranged on the top cover, and the mounting rod is clamped in the mounting rod groove to detachably mount the sensor cartridge in the housing.

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 schematic structural view of an air conditioning indoor unit according to an embodiment of the present disclosure;

fig. 2 is a schematic view illustrating an air conditioning indoor unit to which a sensor box of the air conditioning indoor unit according to the embodiment of the present application is attached;

fig. 3 is a schematic view of a sensor case of an air conditioning indoor unit according to an embodiment of the present application;

fig. 4 is a schematic view of a top cover of a sensor case of an air conditioning indoor unit according to an embodiment of the present application;

fig. 5 is a schematic view of a bottom cover of a sensor case of an air conditioning indoor unit according to an embodiment of the present application;

fig. 6 is a schematic view of a plurality of sensor modules of an air conditioning indoor unit according to an embodiment of the present disclosure;

in the above figures: a housing 1; a middle frame 11; a side cover 12; a mounting groove 13; a sensor cartridge 2; a circuit board 21; a dust sensor 22; the first airflow port 22 a; the irradiation chamber 22 b; the second airflow port 22 c; a lens 22 d; a TVOC sensor 23; a temperature and humidity sensor 24; a top cover 25; a first catch 25 a; the first ventilation opening 25 b; a second ventilation opening 25 c; a third vent 25 d; a fourth vent 25 e; a fifth ventilation opening 25 f; a sixth ventilation opening 25 g; the blocking ribs are 25 h; a bottom cover 26; a spigot 26 a; support limit ribs 26 b; a screw post 26 c; positioning posts 26 d; a lens cover 27; a mounting rod 28; a wire passing hole 29; the box 3 is displayed.

Detailed Description

The present invention will be described in detail by way of examples. 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 present application, an air conditioner performs a refrigeration cycle of the air conditioner 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 can adjust the temperature of the indoor space throughout the cycle.

The air conditioner includes an indoor air conditioner, which is a part of a refrigeration cycle including a compressor and an outdoor heat exchanger, and an outdoor air conditioner, which is connected to the indoor air conditioner installed in an outdoor space through a pipe, the indoor air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor or outdoor unit.

The utility model provides an indoor set of air conditioning, the following description is described to indoor set of air conditioning with reference to the attached drawing.

Fig. 1 is a schematic structural view of an air conditioning indoor unit according to an embodiment of the present application.

Referring to fig. 1, the indoor unit of an air conditioner includes a cabinet 1 and a sensor box 2; sensor box 2 sets up in casing 1's inboard, is provided with a plurality of sensor module in the sensor box 2, and air admission sensor box 2 flows through a plurality of sensor module, and a plurality of sensor module detect the temperature and humidity of air, PM2.5 concentration and the gaseous concentration of TVOC respectively. A plurality of sensor module detect the multiple harmful substance of room air, generate corresponding concentration signal, transmit display module and the control module in casing 1, carry out air quality's regulation.

The air-conditioning indoor unit comprises a casing 1, wherein the casing 1 forms the appearance of the air-conditioning indoor unit, and the casing 1 comprises a middle frame 11, a panel, a front cover, a side cover 12 and a base which are arranged on the middle frame 11. The front cover is arranged on the front end face of the middle frame 11, the side covers 12 are arranged on the left side and the right side of the front cover, the panel is arranged above the front cover, and the base is arranged below the front cover.

An air inlet and an air outlet are arranged on the machine shell 1, the air inlet is used as an inlet for air to flow in, the air outlet is used as an outlet for air to flow out, an indoor air channel is formed in the machine shell 1, and the air inlet and the air outlet are communicated with the indoor air channel.

The air current in the room air flows into the machine shell 1 from the air inlet, part of the air flows through the sensor box 2, and then flows out from the air outlet through the indoor air duct.

The indoor unit of the air conditioner comprises an indoor fan, an indoor heat exchanger and the like, wherein the indoor heat exchanger and the indoor fan are arranged in an indoor air channel, and the indoor heat exchanger is located at an air inlet and connected to the base and used for exchanging heat with air in the indoor air channel. The indoor fan is also arranged in the indoor air duct and connected to the base, the indoor fan is located on one side, close to the air outlet, of the machine shell 1, and the indoor fan is used for sending air in the indoor air duct out of the air outlet.

Fig. 2 is a schematic view of an air conditioning indoor unit to which a sensor box of the air conditioning indoor unit according to the embodiment of the present application is attached.

Referring to fig. 2, a mounting groove 13 is protrudingly provided in the panel, and a mounting rod 28 is provided at one end of the sensor case 2, and the mounting rod 28 is inserted into the mounting groove 13 to detachably mount the sensor case 2 in the casing 1.

When the sensor box 2 is installed, pushing force is applied to the sensor box 2 along the horizontal direction, the sensor box 2 slides along the surface of the panel, the installation rod 28 at one end of the sensor box is inserted into the corresponding installation groove 13, and the other end of the sensor box is fixed on the panel through screws or buckles.

The panel is used for visually displaying the concentration of harmful substances in the air and the temperature and humidity of the air, the display box 3 is arranged on the panel, the wire passing hole 29 is formed in the other end of the sensor box 2, and a connecting wire connected to the circuit board 21 in the sensor box 2 penetrates through the wire passing hole 29 and is connected to the display box 3.

In this embodiment, a conductive line is used as a connection line.

Fig. 3 is a schematic view of a sensor box of an air conditioning indoor unit according to an embodiment of the present application, fig. 4 is a schematic view of a top cover of the sensor box of the air conditioning indoor unit according to the embodiment of the present application, and fig. 5 is a schematic view of a bottom cover of the sensor box of the air conditioning indoor unit according to the embodiment of the present application.

Referring to fig. 3-5, the sensor cartridge 2 includes a top cover 25, a bottom cover 26, and a lens cover 27.

The edge of the top cover 25 is provided with a first buckle 25a, and the edge of the bottom cover 26 is provided with a seam allowance 26 a. The seam allowance 26a is snapped into the first snap 25a to connect the top cover 25 and the bottom cover 26.

The top cover 25 is provided with a lens window, and the lens cover 27 is connected to the lens window.

The mounting hole has been seted up to the one end of lens window, and its other end is provided with the second buckle. One end of the lens cover 27 is provided with a connecting plate, the other end of the lens cover 27 is provided with a clamping portion, the connecting plate is clamped in the mounting hole, and the clamping portion is clamped in the second buckle so as to detachably connect the lens cover 27 on the lens window. The lens cover 27 can be opened or closed to facilitate periodic wiping of the lens 22 d.

Fig. 6 is a schematic view of a plurality of sensor modules of an air conditioning indoor unit according to an embodiment of the present application.

Referring to fig. 3 to 6, a circuit board 21 and a plurality of sensors connected to the circuit board 21 are provided in the sensor cartridge 2.

The bottom cover 26 is provided with a plurality of supporting and limiting ribs 26b, the circuit board 21 is placed on the supporting and limiting ribs 26b to enable a certain gap to be reserved between the circuit board 21 and the bottom cover 26, the top cover 25 and the bottom cover 26 are also provided with wire passing holes 29 which are connected to the circuit board 21 through connecting wires, and the connecting wires pass through the gap between the circuit board 21 and the bottom cover 26 and penetrate out of the display box 3 connected to the inside of the casing 1 through the wire passing holes 29.

Still be provided with reference column 26d and a plurality of screw post 26c on the bottom 26, seted up a plurality of round holes on the circuit board 21, it is downthehole that reference column 26d wears to locate the circuit board 21 in order to be fixed in the bottom 26 with circuit board 21 on a plurality of screw post 26c are connected in round hole through the screw is worn to locate.

For detecting the concentration of PM2.5 in the air, one end of the circuit board 21 is provided with a dust sensor 22.

The dust sensor 22 is provided with a first airflow port 22a, an irradiation chamber 22b and a second airflow port 22c which are sequentially communicated, a lens 22d is arranged in the irradiation chamber 22b, and the lens 22d emits infrared or laser light to irradiate dust in the air. The top cover 25 is provided with a first ventilation opening 25b and a second ventilation opening 25c at a position corresponding to the dust sensor 22, and air flows into the sensor case 2 from the first ventilation opening 25b, flows through the dust sensor, and then flows out from the second ventilation opening 25 c. Specifically, the air flows into the sensor case 2 through the first ventilation opening 25b, flows into the irradiation chamber 22b of the dust sensor 22 through the first airflow opening 22a, is irradiated through the lens by the air flowing through the irradiation chamber 22b, flows out of the dust sensor 22 through the second airflow opening 22c, and flows out of the sensor case 2 through the second ventilation opening 25 c. The dust sensor 22 detects the concentration of PM2.5 in the air by the light reflected by the lens 22d and the blocking rate, and transmits the detected concentration to the display box 3 through a connection line.

For detecting the concentration of TVOC gas in the air, a TVOC sensor 23 is provided at a corner of the circuit board 21 remote from the dust sensor 22.

The top cover 25 is provided with a third air vent 25d and a fourth air vent 25e corresponding to the TVOC sensor 23, and air flows into the sensor box 2 from the third air vent 25d, flows through the TVOC sensor 23, and then flows out from the fourth air vent 25 e.

A blocking rib 25h is provided in the top cover 25 at the position of the TVOC sensor 23 for blocking the interference of other sensors to the TVOC sensor 23.

For detecting humidity and temperature in the air, a temperature and humidity sensor 24 is provided at a corner portion away from the dust sensor 22 and the TVOC sensor 23.

A fifth ventilation opening 25f and a sixth ventilation opening 25g are formed in the top cover 25 at positions corresponding to the temperature and humidity sensor 24, and air flows into the sensor box 2 from the fifth ventilation opening 25f, flows through the temperature and humidity sensor 24, and then flows out from the sixth ventilation opening 25 g.

Be provided with host system in the casing 1, transmit for display box 3 and host system through the connecting wire after dust sensor 22, TVOC sensor 23 and temperature and humidity sensor 24 detect data, display box 3 receives data display and supplies the user to observe on the display screen of air conditioner, host system receives the regulation of automatic control air quality after the data.

To sum up, set up an integrated sensor box on the panel in the casing, set up a plurality of sensor module in the sensor box, leave certain clearance between the sensor module, mutual noninterference has seted up the vent simultaneously on the sensor box and has supplied the circulation of air for a plurality of sensor module can enough detect temperature and humidity, can detect multiple harmful substance in the air again, and transmit for host system, realize the regulation of air quality.

In the description of the present invention, it is to be understood that the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not 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 to implicitly indicate 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 as a specific case by those skilled in the art.

The above embodiments are only specific embodiments of the present invention, 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 within 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:

a housing;

the sensor box, it set up in the inboard of casing, be provided with a plurality of sensor module in the sensor box, the air admission the sensor box flows through a plurality of the sensor module is, and is a plurality of the sensor module detects temperature, humidity, PM2.5 concentration and the gaseous concentration of TVOC of air respectively.

2. An indoor unit of an air conditioner according to claim 1, wherein:

a circuit board;

the dust sensor is arranged on the circuit board and used for detecting the concentration of PM2.5 in the air;

the TVOC sensor is arranged at the corner of the circuit board away from the dust sensor and used for detecting the concentration of TVOC gas in the air;

and the temperature and humidity sensor is far away from the dust sensor and the TVOC sensor and is arranged at the corner of the circuit board and used for detecting the indoor temperature and humidity.

3. An indoor unit of an air conditioner according to claim 2, wherein the dust sensor is provided with a first airflow port, a second airflow port, and an irradiation chamber, the irradiation chamber communicates the first airflow port and the second airflow port, and external air enters the dust sensor through the first airflow port after entering the sensor case, and flows out through the irradiation chamber and the second airflow port.

4. An indoor unit of an air conditioner according to claim 3, wherein a lens is provided in the irradiation chamber, and the lens is configured to emit infrared or laser light to irradiate dust in the airflow.

5. An indoor unit of an air conditioner according to claim 4, wherein the sensor box includes:

the edge of the top cover is provided with a first buckle, and the top cover is provided with a lens window corresponding to the lens;

the edge of the bottom cover is provided with a seam allowance which is clamped in the first buckle to connect the top cover and the bottom cover;

the lens cap, the one end of lens cap is provided with the connecting plate, and its other end is provided with joint portion, the mounting hole has been seted up to the one end of lens window, the connecting plate block is in the mounting hole, the other end of lens window is provided with the second buckle, joint portion block is in the second buckle.

6. The indoor unit of an air conditioner as claimed in claim 5, wherein the top cover is provided with a first ventilation opening and a second ventilation opening at positions corresponding to the dust sensor, and air flows into the sensor box from the first ventilation opening, passes through the dust sensor and then flows out from the second ventilation opening.

7. The indoor unit of claim 5, wherein a third ventilation opening and a fourth ventilation opening are formed in the top cover at positions corresponding to the TVOC sensor, and air flows into the sensor box through the third ventilation opening, flows through the TVOC sensor box, and then flows out through the fourth ventilation opening.

8. The indoor unit of claim 5, wherein a fifth ventilation opening and a sixth ventilation opening are formed in the top cover at positions corresponding to the temperature and humidity sensor, and air flows into the sensor box from the fifth ventilation opening, flows through the temperature and humidity sensor, and then flows out from the sixth ventilation opening.

9. An indoor unit of an air conditioner as claimed in claim 5, wherein a display box is further provided in the indoor unit, a wire through hole is provided on the bottom cover, and the circuit board is connected to the display box by a connecting wire passing through the wire through hole.

10. An indoor unit of an air conditioner according to claim 5, wherein a mounting groove is formed in the indoor unit, and a mounting rod is provided on the top cover, and the mounting rod is engaged in the mounting rod groove.