CN106403032B

CN106403032B - Air conditioner and control method thereof

Info

Publication number: CN106403032B
Application number: CN201610872222.1A
Authority: CN
Inventors: 袁宏亮; 陈良锐
Original assignee: Midea Group Co Ltd; Wuhu Meizhi Air Conditioning Equipment Co Ltd
Current assignee: Midea Group Co Ltd; Wuhu Meizhi Air Conditioning Equipment Co Ltd
Priority date: 2016-09-30
Filing date: 2016-09-30
Publication date: 2022-04-12
Anticipated expiration: 2036-09-30
Also published as: CN106403032A

Abstract

The invention discloses an air conditioner, which comprises a face frame, an opening and closing device and a detection device, wherein the face frame is provided with a mounting hole and a gap, and the mounting hole is communicated with the gap; the opening and closing device is detachably arranged on the face frame and opens or closes the mounting hole; the opening and closing device opens the mounting hole, part of the detection device is accommodated in the mounting hole, and part of the detection device is accommodated in the gap and is mounted on the face frame. The invention also provides a control method of the air conditioner.

Description

Air conditioner and control method thereof

Technical Field

The invention relates to the technical field of air conditioners, in particular to an air conditioner and a control method of the air conditioner.

Background

Along with the improvement of living standard of people, the requirement of people on air conditioner cleanliness is higher and higher. However, the existing air conditioner does not set a user requirement to determine whether to install components of the detection apparatus.

Disclosure of Invention

The invention mainly aims to provide an air conditioner, and aims to provide the air conditioner which can enable a user to install a detection device according to requirements.

In order to achieve the above object, the present invention provides an air conditioner including:

the face frame is provided with a mounting hole and a gap, and the mounting hole is communicated with the gap;

the opening and closing device is detachably arranged on the face frame and opens or closes the mounting hole;

the opening and closing device opens the mounting hole, part of the detection device is accommodated in the mounting hole, and part of the detection device is accommodated in the gap and is mounted on the face frame.

Further, the opening and closing device comprises a cover body, a supporting part for supporting the cover body and a rotating part connected with the cover body; the face frame comprises an installation face and an inner face opposite to the installation face, and when the opening and closing device closes the installation hole, the supporting portion and the rotating portion are abutted to the installation face.

Further, the device that opens and shuts still includes the card and holds the piece, the card hold the piece include the main part and with the trip that the main part is connected, the accommodation hole has been seted up to the lid, the main part hold in the accommodation hole, when the device that opens and shuts is in the closure state, the lid hold in the mounting hole, the trip block in the internal surface.

Further, the rotating portion comprises a connecting shaft, supporting seats respectively connected to two ends of the connecting shaft, a rotating member sleeved on the connecting shaft, and a clamping portion arranged on the rotating member, one end of the rotating member, which is far away from the supporting seats, is connected with the cover body, the supporting portion is provided with a clamping groove, and when the opening and closing device is in an open state, the clamping portion is clamped in the clamping groove.

Further, the air conditioner further comprises a filter screen, the mounting hole is opened by the clamping device, the detection device is partially accommodated in the mounting hole and the gap and is close to the filter screen, and the detection device detects dust on the filter screen.

Further, the detection device includes:

the base comprises two fixing pieces which are oppositely arranged, and each fixing piece is provided with an accommodating groove;

the detection piece comprises an infrared emission head for emitting infrared signals and an infrared receiving head for receiving the infrared signals, and the infrared emission head and the infrared receiving head are respectively accommodated in the accommodating groove; and

go up the lid, go up the lid including the connecting portion of two relative settings, each connecting portion all be formed with the chamber that holds of mounting looks adaptation, each mounting holds in one hold the chamber.

Furthermore, the upper cover body further comprises two first clamping pieces and two second clamping pieces, the two first clamping pieces are convexly arranged at two ends of the connecting portion for accommodating the infrared emission head, and the two second clamping pieces are convexly arranged at two ends of the connecting portion for accommodating the infrared receiving head.

Furthermore, the air conditioner also comprises two guide rails arranged on the face frame, and the guide rails are positioned between the mounting holes and the gaps; the connecting part for accommodating the infrared receiving head penetrates through the mounting hole, and the second clamping piece is clamped on the periphery of the mounting hole; the connecting portion that holds the infrared emission head runs through the gap, the guide rail block in first fastener.

Furthermore, a clamping space is formed between the two connecting parts of the detection device, part of the filter screen is positioned between the two guide rails, and part of the filter screen and part of the two guide rails are positioned in the clamping space.

Furthermore, the detection part also comprises a first pin connected with the infrared emission head and a second pin connected with the infrared receiving head; the base is further provided with two clamping parts, a gap is formed between each clamping part and a fixing part, and the first pin and the second pin penetrate through the gap.

Furthermore, the detection piece further comprises a circuit board and a socket arranged on the circuit board, and the first pin and the second pin are electrically connected with the circuit board.

Furthermore, a clamping plate is formed on the clamping part, and the clamping plate is formed at one end of the clamping part, which is far away from the accommodating groove; the detection device further comprises a lower cover body, two oppositely arranged steps are formed on the lower cover body, the circuit board is borne on the steps, and the clamping plate is arranged on the surface, facing the upper cover body, of the circuit board in a covering mode.

Furthermore, each connecting part is also provided with a first notch communicated with the accommodating cavity, and the fixing part is accommodated in the accommodating cavity and fills the first notch.

Furthermore, a second notch is formed in the accommodating groove for installing the infrared emission head, the first notch and the second notch jointly form a through hole, and the infrared emission head faces the through hole.

Further, a fixing member accommodating the infrared receiving head is formed with an opening, the infrared receiving head facing the opening; the detection device further comprises a filling piece, and the filling piece fills the opening.

Furthermore, the lower cover body comprises two oppositely arranged side walls, and each side wall is provided with at least one clamping groove; the upper cover body also comprises two oppositely arranged side walls, at least one buckle is formed on each side wall, and the buckle is accommodated in the clamping groove to connect the upper cover body with the lower cover body.

Furthermore, the lower cover body also comprises a groove, and the detection piece, the base and the upper cover body are all partially accommodated in the groove; and a third notch is formed on the side wall close to the socket, and the socket is accommodated in the groove and is partially exposed by the third notch.

Furthermore, the face frame comprises an installation face and an inner face arranged back to the installation face, the opening and closing device is arranged on the installation face, and the filter screen is arranged on the inner face; or the clamping device and the filter screen are arranged on the inner surface.

The invention also provides a control method of the air conditioner, the air conditioner comprises the detection device, the filter screen, the compressor and the indoor unit wind wheel, and the control method is characterized by comprising the following steps:

setting a first threshold value and a second threshold value of the dust content on the filter screen, wherein the first threshold value is smaller than the second threshold value;

the detection device detects the dust content on the filter screen;

judging whether the dust content is greater than a first threshold value, if not, normally operating the air conditioner, and if so, judging whether the dust content is greater than a second threshold value;

if not, adjusting the frequency of the compressor and the rotating speed of the inner machine wind wheel;

if yes, reminding a user to clean the filter screen or starting automatic cleaning.

Further, the step of automatically cleaning is followed by:

when a cleaning cycle is finished by automatic cleaning, detecting the dust content on the filter screen at the moment;

if the dust content at the moment is less than a second threshold value, cleaning is finished;

and if the dust content at the moment is larger than a second threshold value, starting cleaning in the next period until the dust content is smaller than the second threshold value.

Further, the step of reminding the user to clean the filter screen comprises the following steps:

detecting the dust content on the filter screen at the moment when a reminding period passes;

if the dust content at the moment is smaller than a first threshold value, the compressor and the inner machine wind wheel normally operate;

if the dust content at the moment is larger than the first threshold and smaller than the second threshold, adjusting the frequency of the compressor and the rotating speed of the inner machine wind wheel;

and if the dust content at the moment is larger than the second threshold value, continuing to remind the user to clean the filter screen.

Further, the air conditioner also comprises a main control unit, a compressor control unit and an internal machine wind wheel control unit, wherein the step of adjusting the frequency of the compressor and the rotating speed of the internal machine wind wheel comprises the following steps:

writing a first relation curve of the dust content and the compressor frequency and a second relation curve of the dust content and the rotating speed of the inner machine wind wheel into the main control unit;

the compressor control unit adjusts the frequency of the compressor according to the first relation curve;

and the inner machine wind wheel control unit adjusts the rotating speed of the inner machine wind wheel according to the second relation curve.

According to the technical scheme, the mounting hole and the gap communicated with the mounting hole are formed in the face frame of the air conditioner, the opening and closing device is detachably arranged on the face frame, and the clamping device can open or close the mounting hole. When the detection device is required to be installed on the air conditioner, the opening and closing device is used for opening and exposing the installation hole, and the detection device can be partially accommodated in the installation hole and the gap, so that the detection device can be installed on the face frame, and the detection device can detect the air conditioner. If the detection device is not required to be installed on the face frame, the installation hole can be closed through the clamping device, and dust is prevented from entering the air conditioner from the installation hole.

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 the structures shown in the drawings without creative efforts.

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

Fig. 2 is an enlarged view of a point a shown in fig. 1.

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

Fig. 4 is an enlarged view of fig. 3 at B.

Fig. 5 is a sectional view showing a part of the structure of the opening and closing device of the air conditioner according to the present invention in an opened state.

Fig. 6 is an enlarged view of fig. 5 at C.

Fig. 7 is a sectional view of another perspective of a part of the structure of the air conditioner according to the present invention when the opening and closing device is in an open state.

Fig. 8 is an enlarged view at D shown in fig. 7.

Fig. 9 is a sectional view of the air conditioner according to the present invention in a closed state.

Fig. 10 is an enlarged view at E shown in fig. 9.

Fig. 11 is a sectional view showing a part of the structure of the air conditioner opening and closing device according to the present invention in a closed state.

Fig. 12 is an enlarged view of fig. 11 at F.

Fig. 13 is a cross-sectional view of another perspective of a part of the structure of the air conditioner opening and closing device of the present invention in a closed state.

Fig. 14 is an enlarged view at G shown in fig. 13.

Fig. 15 is a sectional view of an air conditioner equipped with a detection device according to the present invention.

Fig. 16 is an enlarged view at H shown in fig. 15.

Fig. 17 is a schematic structural view of the detecting device shown in fig. 15.

Fig. 18 is an exploded view of the detection device shown in fig. 17.

Fig. 19 is an exploded view from another perspective of the detection device shown in fig. 17.

FIG. 20 is a cross-sectional view of the detection device shown in FIG. 17.

FIG. 21 is a left side view of the test device shown in FIG. 17.

Fig. 22 is a sectional view of a part of the structure of the air conditioner shown in fig. 15.

Fig. 23 is an enlarged view at I shown in fig. 22.

Fig. 24 is a sectional view of another perspective of a partial structure of the air conditioner shown in fig. 15.

Fig. 25 is an enlarged view at J shown in fig. 24.

Fig. 26 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention.

Fig. 27 is a detailed flowchart of an embodiment of step S60 in fig. 26.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are 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 at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-25, an air conditioner 100 is provided.

Referring to fig. 1 to 4, an air conditioner 100 includes:

the face frame 10 is provided with a mounting hole 11 and a gap 13, and the mounting hole 11 is communicated with the gap 13;

the opening and closing device 30, the opening and closing device 30 is detachably arranged on the face frame 10, and the opening and closing device 30 opens or closes the mounting hole 11;

the opening and closing device 30 opens the mounting hole 11, and the detecting device 50 is partially accommodated in the mounting hole 11 and partially accommodated in the slit 13, and is mounted on the face frame 10.

It is understood that the opening and closing device 30 may be detached from the face frame 10 to separate the opening and closing device 30 from the face frame 10.

The detection device 50 may be a dust detection device, a temperature detection device, a humidity detection device, or the like. The present invention will be described by taking a dust detection device as an example.

According to the technical scheme of the invention, the face frame 10 of the air conditioner 100 is provided with the mounting hole 11 and the gap 13 communicated with the mounting hole 11, the opening and closing device 30 is detachably arranged on the face frame 10, and the clamping device 30 can open or close the mounting hole 11. When the detection device 50 needs to be installed on the air conditioner 100, the opening and closing device 30 opens and exposes the installation hole 11, and the detection device 50 can be partially accommodated in the installation hole 11 and the gap 13, so that the detection device 50 can be installed on the face frame 10, and the detection device 50 can detect the air conditioner 100. If the detection device 50 is not required to be attached to the face frame 10, the attachment hole 11 can be closed by the engaging device 30. The user can determine whether to install the detection device 50 in the air conditioner 100 according to actual needs, and if the detection device 50 needs to be installed, the mounting hole 11 is opened through the clamping device 30, and then the detection device 50 is installed on the face frame 10 through the mounting hole 11 and the gap 13, so that the detection device 50 can detect the air conditioner 100. If the detection device 50 is not required to be installed, the engaging device 30 may close the installation hole 11. Meanwhile, when the detection device 50 is detached from the air conditioner 100, the engaging device 30 may close the mounting hole 11, thereby preventing dust from entering the air conditioner 100 through the mounting hole 11.

Referring to fig. 4 to 14, the opening and closing device 30 includes a cover 31, a supporting portion 33 for supporting the cover 31, and a rotating portion 35 connected to the cover 31; the face frame 10 includes a mounting surface 12 and an inner surface 14 disposed opposite to the mounting surface 12, and when the opening and closing device 30 closes the mounting hole 11, the support portion 33 and the rotating portion 35 are abutted against the mounting surface 12.

The opening and closing device 30 of the present invention comprises a cover 31, a support portion 33 for supporting the cover 31, and a rotation portion 35 connected to the cover 31, wherein when the opening and closing device 30 closes the mounting hole 11, both the support portion 33 and the rotation portion 35 are abutted to the mounting surface 12, so that the opening and closing device 30 is detachably connected to the mounting surface 12.

The opening and closing device 30 further includes a holding member 37, the holding member 37 includes a main body portion 373 and a hook 371 connected to the main body portion 373, the cover 31 has an accommodating hole 311, the main body portion 373 is partially accommodated in the accommodating hole 311, when the opening and closing device 30 is in a closed state, the cover 31 is accommodated in the mounting hole 11, and the hook 371 is engaged with the inner surface 14.

It will be appreciated that the body portion 37 may have a ring-like configuration to facilitate a user pulling the cover 31 through the body portion 37.

According to the technical scheme of the invention, the cover body 31 is provided with the accommodating hole 311, and the main body portion 373 is accommodated in the accommodating hole 311, so that the clamping piece 37 is connected with the cover body 31. Further, the cover 31 is received in the mounting hole 11, so that the opening/closing device 30 closes the mounting hole 11, and at this time, the hook 371 is engaged with the inner surface 14, so that the opening/closing device 30 is firmly connected with the face frame.

The rotating portion 35 includes a connecting shaft 351, a supporting seat 353 respectively connected to two ends of the connecting shaft 351, a rotating member 355 sleeved on the connecting shaft 351, and an engaging portion 357 disposed on the rotating member 355, wherein one end of the rotating member 355 away from the supporting seat 353 is connected to the cover 31, the supporting portion 33 is provided with an engaging groove 331, and when the opening/closing device 30 is in an open state, the engaging portion 357 is engaged with the engaging groove 331.

According to the technical scheme of the invention, one end of the rotating member 355, which is far away from the supporting seat 353, is connected with the cover body 31, and one end of the rotating member 355, which is close to the supporting seat 353, is rotatably sleeved on the connecting shaft 351. When the rotating member 355 rotates relative to the connecting shaft 351 in a direction approaching the supporting portion 33, the rotating member 355 drives the cover 31 to rotate in the direction approaching the supporting portion 33 until the engaging portion 357 of the rotating member 355 engages with the engaging groove 331 of the supporting portion 33, so that the cover 31 is opened and the mounting hole 11 is exposed, and at this time, the engaging device 30 is in an open state.

Referring to fig. 15 to 16, the air conditioner 100 further includes a filter screen, the mounting hole 11 is opened by the engaging device 30, the detecting device 50 is partially accommodated in the mounting hole 11 and the slit 13 and disposed adjacent to the filter screen, and the detecting device 50 detects dust on the filter screen.

When the clamping device 30 of the technical scheme of the invention is in an open state, the mounting hole 11 is exposed, and the detection device 50 is partially accommodated in the mounting hole 11 and the gap 13 and is arranged close to the filter screen, so that the detection device 50 can detect dust on the filter screen.

Referring to fig. 17-25, the detection device 50 includes:

the base 51, the base 51 includes two fixing pieces 511 oppositely disposed, each fixing piece 511 is formed with a containing groove 5111;

the detection piece 53, the detection piece 53 includes an infrared emission head 531 for emitting infrared signals and an infrared receiving head 533 for receiving infrared signals, the infrared emission head 531 and the infrared receiving head 533 are respectively accommodated in the accommodation groove 5111; and

the upper cover body 55, the upper cover body 55 includes two oppositely disposed connecting portions 551, each connecting portion 551 is formed with an accommodating cavity 5511 adapted to the fixing piece 511, and each fixing piece 511 is accommodated in one accommodating cavity 5511.

Further, a baffle 5115 is further convexly disposed on a wall of the accommodating groove 5111, so that the infrared emission head 531 and the infrared receiving head 533 are accommodated in the accommodating groove 5111, the baffle 5115 and the accommodating groove 5111 can wrap the infrared emission head 531 and the infrared receiving head 533, and the infrared emission head 531 and the infrared receiving head 533 are firmly disposed in the accommodating groove 5111.

According to the technical scheme, the infrared emitting head 531 emits an infrared signal to the filter screen of the air conditioner 100, the infrared signal penetrates through the filter screen, the infrared receiving head 533 receives the infrared signal, the detection piece 53 detects the voltage change of the infrared signal, and the content of dust passing through the filter screen is calculated. The detection device 50 of the invention has the advantages of high detection precision, simple and quick operation, and the like.

Further, in the present invention, the fixing member 511 of the base 51 forms a receiving groove 5111, and the infrared emitting head 531 and the infrared receiving head 533 are respectively received in the receiving groove 5111, so as to firmly connect the detecting member 53 and the base 51. An accommodating cavity 5511 matched with the fixing piece 511 is formed in the connecting part 551 of the upper cover body 55, the fixing pieces 511 for accommodating the infrared receiving head 533 and the infrared emitting head 531 are respectively accommodated in the accommodating cavity 5511, and the detecting piece 53 and the base 51 are covered on the upper cover body 55. Install detection device 50 in air conditioner 100 back, connecting portion 551 closes on the filter screen setting for infrared emission head 531 and infrared receiving head 533 that hold in connecting portion 551 hold in chamber 5511 all close on the filter screen setting, so that infrared emission head 531 can be fast, accurately launch infrared signal to the filter screen, infrared receiving head 533 also can receive infrared signal rapidly simultaneously, has improved the speed and the precision that detection device 50 detected the dust on the filter screen.

The upper cover 55 further comprises two first engaging members 553 and two second engaging members 555, the two first engaging members 553 are convexly disposed at two ends of the connecting portion 551 for accommodating the ir emitting head 531, and the two second engaging members 555 are convexly disposed at two ends of the connecting portion 551 for accommodating the ir receiving head 533.

Each of the first engaging members 553 has a substantially U-shaped configuration defining a retaining slot 5531.

The outer wall of each second snap-fit member 555 is formed with a protrusion 5551.

According to the technical scheme of the invention, two first clamping pieces 553 are arranged at two ends of the connecting part 551 containing the infrared transmitting head 531, and two second clamping pieces 555 are arranged at two ends of the connecting part 551 containing the infrared receiving head 533, so that the detection device 50 can be installed on the air conditioner 100 through the first clamping pieces 553 and the second clamping pieces 555.

The air conditioner 100 further comprises two guide rails 70 arranged on the face frame 10, wherein the guide rails 70 are positioned between the mounting holes 11 and the gaps 13; the connecting part 551 for accommodating the infrared receiving head 533 penetrates through the mounting hole 11, and the second clamping piece 555 is clamped at the periphery of the mounting hole 11; a connecting portion 551 for accommodating the infrared emission head 531 penetrates the slit 13, and the rail 70 is engaged with the first engaging member 553.

Specifically, the protrusion 5551 of the second engaging member 555 engages with the periphery of the mounting hole 11, preventing the detecting device 50 from falling off from the mounting hole 12;

the face frame 10 of the technical scheme of the invention is provided with two guide rails 70, a connecting part 551 for accommodating the infrared receiving head 533 penetrates through the mounting hole 11, and the second clamping piece 555 is clamped at the periphery of the mounting hole 11; the connecting portion 551 for accommodating the infrared emission head 531 penetrates the slit 13, and the rail 70 is engaged with the first engaging piece 553, thereby firmly attaching the detection device 50 to the face frame 10.

The two connecting portions 551 of the detecting device 50 form a clamping space 557, a part of the filter screen is located between the two guide rails 70, and a part of the filter screen and a part of the two guide rails 70 are located in the clamping space 557.

In the technical scheme of the invention, part of the filter screen is accommodated in the clamping space 557 of the detection device 50, so that the detection device 50 can detect dust on the filter screen.

The detecting member 53 further includes a first pin 532 connected to the infrared emitting head 531, and a second pin 534 connected to the infrared receiving head 533; the base 51 further forms two retainers 513, a gap 5131 is formed between each retainer 513 and a fixing member 511, and the first pin 532 and the second pin 534 pass through the gap 5131.

Each of the catches 513 is further formed with a connecting rib 5135, and each catch 513 is connected to the fixing member 511 corresponding thereto through the connecting rib 5135.

The end of the upper cover 55 close to the base 51 is formed with a receiving groove 558 matching with the retainer 513, and after the base 51 is received in the upper cover 55, the retainer 513 is received in the receiving groove 558.

According to the technical scheme of the invention, the first pin 532 and the second pin 534 pass through the gap 5131, the infrared emitting head 531 connected with the first pin 532 and the infrared receiving head 533 connected with the second pin 534 are accommodated in the accommodating groove 5111, and the detection piece 53 is connected with the base 51.

The detecting member 53 further includes a circuit board 535, and a socket 537 disposed on the circuit board 535, wherein the first pin 532 and the second pin 534 are electrically connected to the circuit board 535.

Socket 537 is electrically connected to circuit board 535.

The infrared emitting head 531 and the infrared receiving head 533 of the present invention are electrically connected to the circuit board 535 through the first pin 532 and the second pin 534.

The clamping portion 513 is formed with an engaging plate 5133, and the engaging plate 5133 is formed at one end of the clamping portion 513 away from the accommodating groove 5111; the detecting device 50 further includes a lower cover 57, the lower cover 57 has two steps 571 disposed opposite to each other, the circuit board 535 is supported on the steps 571, and the engaging plate 5133 is disposed on the surface of the circuit board 535 facing the upper cover 55.

According to the technical scheme of the invention, the circuit board 535 is arranged on the step 571 of the lower cover body 57, and the clamping plate 333 is arranged on the surface of the circuit board 535 facing the upper cover body 55, so that the circuit board 535 is firmly accommodated between the lower cover body 57 and the upper cover body 55.

Each connecting portion 551 further has a first notch 5513 communicating with the accommodating cavity 5511, and the fixing member 511 is accommodated in the accommodating cavity 5511 and fills the first notch 5513.

One of the first notches 5513 has a shape matching that of the fixing member 511 accommodating the infrared emitting head 531, and the other first notch 5513 has a shape matching that of the fixing member 511 accommodating the infrared receiving head 533.

According to the technical scheme of the invention, the fixing piece 511 is accommodated in the accommodating cavity 5511, and the fixing piece 511 is further filled with the first notch 5513 communicated with the accommodating cavity 5511, so that the infrared emitting head 531 and the infrared receiving head 533 accommodated in the fixing piece 511 can conveniently emit or receive infrared signals through the first notch 5513.

The receiving groove 5111 for receiving the infrared emitter 531 is formed with a second notch 5113, the first notch 5513 and the second notch 5113 together form a through hole 5515, and the infrared emitter 531 faces the through hole 5515.

The through hole 5515 may have a circular structure.

The connecting portion 551 housing the infrared emission head 531 is further formed with two oppositely disposed bars 5518, and the bars 5518 may be strip-shaped structures. The through holes 5515 are located between the second stop bars 5518, and the stop bars 5518 can prevent impurities such as dust from entering the through holes 5515.

According to the technical scheme, the second notch 5113 is formed in the accommodating groove 5111 provided with the infrared emission head 531, the second notch 5113 is communicated with the accommodating groove 5111, meanwhile, the first notch 5513 and the second notch 5113 jointly form the through hole 5515, and the infrared emission head 531 faces the through hole 5515, so that the infrared emission head 531 can conveniently emit infrared signals.

The mount 511 accommodating the infrared receiving head 533 is formed with an opening 5117, the infrared receiving head 533 facing the opening 5117; the detection device 50 further includes a filling member 90, and the filling member 90 fills the opening 5117.

The fixing member 511 receiving the infrared receiving head 533 is also formed with two oppositely disposed ribs 5118, the opening 5117 is located between the two ribs 5118, and the ribs 5118 can prevent impurities such as dust from entering the opening 5117. The stop 5118 exposes the receiving cavity 5511 and the first gap 5513.

The filling member 90 can seal the opening 5117, and can be made of plastic, rubber, etc., preferably transparent plastic or rubber.

According to the technical scheme of the invention, the opening 5117 is formed in the fixing part 511 accommodating the infrared receiving head 533, and the infrared receiving head 533 faces the opening 5117, so that the infrared receiving head 533 can receive infrared signals conveniently. The technical scheme of the invention also fills the filling piece 90 in the opening 5117 to prevent impurities such as dust and the like from entering the detection piece 53 through the opening 5117.

The lower cover 57 includes two opposite side walls 573, and each side wall 573 is provided with at least one slot 5731; the upper cover 55 also includes two opposite sidewalls, each of which is formed with at least one buckle 5517, and the buckle 5517 is received in the slot 5731 to connect the upper cover 55 and the lower cover 57.

In the present invention, at least one receiving groove 5731 is formed in the side wall 573, and at least one buckle 5517 is formed on the side wall of the upper lid 55, wherein the buckle 5517 is received in the receiving groove 5731 to connect the upper lid 55 and the lower lid 57.

The lower cover 57 further includes a groove 575, and the detecting member 53, the base 51 and the upper cover 55 are all partially accommodated in the groove 575; a third notch 577 is formed adjacent the sidewall 573 of the receptacle 537 and the receptacle 537 is received in the recess 575 and partially exposed by the third notch 577.

According to the technical scheme of the invention, the lower cover body 57 is provided with a groove 575, the detection piece 53, the base 51 and the upper cover body 55 are partially accommodated in the groove 575, and the upper cover body 55, the detection piece 53 and the base 51 are connected to the lower cover body 57. According to the present invention, a third notch 577 is formed adjacent to the sidewall 573 of the receptacle 357, and the receptacle 357 is received in the groove 575 and partially exposed by the third notch 577, thereby reducing the width of the detecting device 50.

When the detection device 50 is installed in the air conditioner 100, the connection portion 551 of the detection device 50 with the second engaging member 555 is inserted through the installation hole 11 from the installation surface 12, and the other connection portion 551 is inserted through the gap 13 from the installation surface 12 until the installation surface 12 abuts against the clamping surface 559, at this time, the protrusions 5551 of the second engaging member 555 abut against the inner surface 14 of the face frame 10, and the guide rail 23 engages with the engaging grooves 5531 of the first engaging members 553, so as to prevent the detection device 50 from falling off from the installation hole 11.

It can be appreciated that the second snap member 555 has elasticity, and when the second snap member 555 passes through the mounting hole 11, the second snap member 555 elastically contracts to pass through the mounting hole 11. After passing through the mounting hole 11, the second engaging member 555 returns to a natural state, and the protrusion 5551 abuts against the inner surface 14 of the face frame 10, so as to engage the detecting device 50 with the face frame 10.

Referring to fig. 26 to 27, the present invention also provides a control method of an air conditioner.

In the present embodiment, the air conditioner 100 includes the detection device 50, a filter screen (not shown), a compressor (not shown), and an indoor unit wind wheel (not shown). The specific structure of the detection apparatus 50 refers to the above embodiments, and since the detection apparatus adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here. The specific structure of the air conditioner 100 refers to the above embodiments, and since the detection device adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

The control method of the air conditioner comprises the following steps:

s10: setting a first threshold value and a second threshold value of the dust content on the filter screen, wherein the first threshold value is smaller than the second threshold value;

s20: the detection device 50 detects the dust content on the filter screen;

s30: judging whether the dust content is greater than a first threshold value, if not, normally operating the air conditioner 100, and if so, executing a step S40;

s40: judging whether the dust content is larger than a second threshold value, if not, executing a step S60, and if so, executing a step S50;

s50: determining whether an automatic cleaning device (not shown) is present, if not, executing step S51b, and if so, executing step S51 a;

s51 a: starting the automatic cleaning device to automatically clean;

s51 b: reminding a user to clean the filter screen;

s60: the frequency of the compressor and/or the rotational speed of the inner turbine rotor is adjusted.

The embodiment provides a control method of an air conditioner, the air conditioner 100 comprises a detection device 50, a filter screen, a compressor and an inner machine wind wheel, the control method of the invention is mainly used for linkage of the detection device 50, the compressor and the inner machine wind wheel, the dust content on the filter screen detected by the detection device 50 is used for adjusting the frequency of the compressor or adjusting the rotating speed of the inner machine wind wheel or adjusting the frequency of the compressor and the rotating speed of the inner machine wind wheel simultaneously, the larger the dust content is, the higher the frequency of the compressor and/or the rotating speed of the inner machine wind wheel are correspondingly adjusted, so that the refrigerating and heating capacities of the air conditioner 100 are ensured, or a user is reminded to clean the filter screen, or an automatic cleaning device is started to automatically clean the filter screen, so that the influence of the dust content on the performance of the air conditioner is reduced.

Specifically, a first threshold and a second threshold of the dust content on the filter screen are set first, the first threshold is smaller than the second threshold, then the dust content on the filter screen is detected by the detection device 50, then the detected dust content on the filter screen is compared with the set first threshold, and whether the detected dust content is larger than the first threshold is determined, if the detected dust content is smaller than the set first threshold, the dust content has less influence on the performance of the air conditioner 100, the air conditioner 100 operates normally, if the detected dust content is larger than the set first threshold, it is further determined whether the dust content is larger than the set second threshold, if the dust content is larger than the first threshold, the air conditioner 100 can increase the frequency of the compressor or the rotation speed of the internal air wheel according to the dust content, in order to further ensure the cooling and heating effects of the air conditioner 100, air conditioner 100 can correspondingly increase the frequency of compressor and the rotational speed of interior machine wind wheel simultaneously according to the size of dust content, if dust content is greater than the second threshold value, then air conditioner 100's major control system can judge whether there is self-cleaning device to air conditioner 100 earlier, when detecting self-cleaning device, starts self-cleaning device and washs the filter screen, when not detecting self-cleaning device, then sends out the warning and reminds the user to wash the filter screen.

The control method of the air conditioner comprises the steps of firstly setting a first threshold value and a second threshold value of dust content on a filter screen, then detecting the dust content on the filter screen by a detection device 50, then comparing the detected dust content with the set first threshold value, if the detected dust content is smaller than the first threshold value, normally operating the air conditioner 100, if the detected dust content is larger than the first threshold value, comparing the detected dust content with the second threshold value, if the detected dust content is smaller than the second threshold value, correspondingly adjusting the frequency of a compressor and the rotating speed of an inner machine wind wheel, and if the detected dust content is larger than the second threshold value, reminding a user of cleaning the filter screen or starting an automatic cleaning device to clean the filter screen.

According to the control method of the air conditioner, the frequency of the compressor and the rotating speed of the inner machine wind wheel are correspondingly adjusted according to the detected dust content on the filter screen, or the automatic cleaning device is started to clean the filter screen, or a user is reminded to clean the filter screen, so that the influence of the dust content on the performance of the air conditioner can be reduced to the greatest extent, the control method of the air conditioner is simple to operate, convenient to use and beneficial to the health of the user.

Further, step S51a is followed by:

s52 a: when the automatic cleaning device finishes a cleaning cycle, detecting the dust content on the filter screen at the moment;

s53 a: judging whether the dust content at the moment is larger than a second threshold value, if not, executing a step S55a, and if so, executing a step S54a until the dust content is smaller than the second threshold value;

s54 a: starting the next cleaning cycle;

s55 a: and after the cleaning is finished, stopping the automatic cleaning device.

In the control method of the air conditioner of this embodiment, the air conditioner 100 includes an automatic cleaning device, when the automatic cleaning device is started to clean the filter screen and a cleaning cycle is completed, the detection device detects the dust content on the filter screen again, and then further determines whether the time, that is, when a cleaning cycle is completed, the dust content on the filter screen is still greater than a second threshold value; if the dust content at the moment is less than the second threshold value, the automatic cleaning device finishes cleaning the filter screen and stops working, at this moment, the air conditioner 100 correspondingly adjusts the frequency of the compressor or the rotating speed of the indoor unit wind wheel according to the dust content, or adjusts the frequency of the compressor and the rotating speed of the indoor unit wind wheel simultaneously, and if the detected dust content is larger, the frequency of the compressor and/or the rotating speed of the indoor unit wind wheel is correspondingly increased; if the dust content at this moment is greater than the second threshold, the air conditioner 100 restarts the automatic cleaning apparatus to start the next cleaning cycle until the detected dust content is less than the second threshold.

Further, step S51b is followed by:

s52 b: detecting the dust content on the filter screen at the moment when a reminding period passes;

s53 b: judging whether the dust content at the moment is larger than a second threshold value, if so, executing a step S51b, otherwise, executing a step S54 b;

s54 b: judging whether the dust content at the moment is smaller than a first threshold value, if so, executing a step S55b, otherwise, executing a step S60;

s55 b: the compressor and the inner machine wind wheel normally operate;

The control method of the air conditioner of this embodiment, the air conditioner 100 does not have an automatic cleaning device, a user needs to manually clean dust on a filter screen of the air conditioner, when detecting that the dust content on the filter screen is greater than a second threshold, the air conditioner reminds the user to clean the filter screen of the air conditioner, and simultaneously provides a time period for cleaning the filter screen, that is, after the time period elapses, the detection device 50 will detect the dust content on the filter screen again, and then further determine the time, that is, when a reminding cycle ends, whether the dust content on the filter screen is greater than the second threshold, if the dust content at the time is greater than the second threshold, it is proved that the user has not cleaned the filter screen, and remind the user to clean the filter screen again, and if the dust content at the time is less than the second threshold, it is further determined whether the dust content at the time is less than the first threshold, if the dust content at the moment is smaller than the first threshold value, it is proved that the filter screen is cleaned by a user, the compressor and the indoor unit wind wheel can normally operate at the moment, if the dust content at the moment is larger than the first threshold value and smaller than the second threshold value, the air conditioner 100 correspondingly increases the frequency of the compressor or the rotating speed of the indoor unit wind wheel according to the detected dust content to ensure the heating and refrigerating performance of the air conditioner 100, and in order to further obtain a comfortable experience effect, the air conditioner 100 correspondingly increases the frequency of the compressor and the rotating speed of the indoor unit wind wheel according to the detected dust content.

Further, referring to fig. 15, the air conditioner 100 further includes a main control unit (not shown), a compressor control unit (not shown), and an internal turbine control unit (not shown), and the step of adjusting the frequency of the compressor and the rotational speed of the internal turbine includes:

s61: writing a first relation curve of the dust content and the compressor frequency and a second relation curve of the dust content and the rotating speed of the inner machine wind wheel into the main control unit;

s62: the compressor control unit adjusts the frequency of the compressor according to the first relation curve;

s63: and the inner machine wind wheel control unit adjusts the rotating speed of the inner machine wind wheel according to the second relation curve.

In the control method of the air conditioner of this embodiment, the air conditioner 100 further includes a main control unit for controlling the whole air conditioning system, a compressor control unit for adjusting the frequency of the compressor, and an indoor unit wind wheel control unit for adjusting the rotational speed of the indoor unit wind wheel, and the specific process of adjusting the frequency of the compressor and the rotational speed of the indoor unit wind wheel by the air conditioner 100 is as follows: firstly, writing a first relation curve of dust content and compressor frequency and a second relation curve of dust content and inner machine wind wheel rotating speed in a main control unit of the air conditioner 100, in other embodiments, if the air conditioner 100 only adjusts the frequency of the compressor or only adjusts the rotating speed of the inner machine wind wheel, only writing a corresponding first relation curve or second relation curve in the main control unit is needed; then the main control unit transmits a first relation curve of the dust content and the frequency of the compressor to the compression and control unit, and the compressor control unit correspondingly adjusts the frequency of the compressor according to the first relation curve; transmitting a second relation curve of the dust content and the rotating speed of the inner machine wind wheel to the inner machine wind wheel control unit, and correspondingly adjusting the rotating speed of the inner machine wind wheel by the inner machine wind wheel control unit according to the second relation curve; because the dust on the filter screen can affect the air outlet capacity and the cooling or heating effect of the air conditioner, if a preset temperature effect is desired, the frequency of the compressor and/or the rotating speed of the wind wheel of the indoor unit needs to be correspondingly increased.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An air conditioner, characterized in that the air conditioner comprises:

the opening and closing device is detachably arranged on the face frame and opens or closes the mounting hole; and

the opening and closing device opens the mounting hole, part of the detection device is accommodated in the mounting hole, and part of the detection device is accommodated in the gap and is mounted on the face frame;

the detection device includes:

the upper cover body comprises two connecting parts which are oppositely arranged, each connecting part is provided with an accommodating cavity matched with the fixing part, and each fixing part is accommodated in one accommodating cavity;

the upper cover body further comprises a first clamping piece and a second clamping piece, the first clamping piece is convexly arranged at two ends of the connecting part for accommodating the infrared emission head, and the second clamping piece is convexly arranged at two ends of the connecting part for accommodating the infrared receiving head;

the opening and closing device comprises a cover body, a supporting part for supporting the cover body and a rotating part connected with the cover body; the face frame comprises an installation face and an inner face opposite to the installation face, and when the opening and closing device closes the installation hole, the supporting part and the rotating part are abutted to the installation face;

the air conditioner also comprises two guide rails arranged on the face frame, and the guide rails are positioned between the mounting holes and the gaps; the connecting part for accommodating the infrared receiving head penetrates through the mounting hole, and the second clamping piece part is accommodated in the mounting hole; the connecting part for accommodating the infrared emission head penetrates through the gap, and the guide rail is clamped on the first clamping piece;

a clamping space is formed in a connecting portion of the detection device, a part of the filter screen is located between the two guide rails, and the part of the filter screen and the part of the guide rails are located in the clamping space.

2. The air conditioner according to claim 1, wherein the opening and closing device further comprises a retaining member, the retaining member comprises a main body portion and a hook connected with the main body portion, the cover body is provided with a receiving hole, the main body portion is received in the receiving hole, when the opening and closing device is in a closed state, the cover body is received in the mounting hole, and the hook is engaged with the inner surface.

3. The air conditioner as claimed in claim 1, wherein the rotation portion comprises a connecting shaft, a supporting base respectively connected to two ends of the connecting shaft, a rotation member sleeved on the connecting shaft, and a locking portion provided on the rotation member, wherein one end of the rotation member away from the supporting base is connected to the cover, the supporting portion is provided with a locking groove, and when the opening/closing device is in an open state, the locking portion is locked in the locking groove.

4. The air conditioner according to claim 1, further comprising a filter screen, wherein the opening and closing device opens the mounting hole, the detecting device is partially accommodated in the mounting hole and the gap and disposed adjacent to the filter screen, and the detecting device detects dust on the filter screen.

5. The air conditioner of claim 1, wherein the detecting member further comprises a first pin connected to the infrared emitting head, a second pin connected to the infrared receiving head; the base is further provided with two clamping parts, a gap is formed between each clamping part and a fixing part, and the first pin and the second pin penetrate through the gap.

6. The air conditioner according to claim 5, wherein the detecting member further comprises a circuit board and a socket provided to the circuit board, and the first pin and the second pin are electrically connected to the circuit board.

7. The air conditioner as claimed in claim 6, wherein the catching portion is formed with a catching plate formed at an end of the catching portion away from the accommodating groove; the detection device further comprises a lower cover body, two oppositely arranged steps are formed on the lower cover body, the circuit board is borne on the steps, and the clamping plate is arranged on the surface, facing the upper cover body, of the circuit board in a covering mode.

8. The air conditioner according to claim 1, wherein each of the connecting portions is further formed with a first notch communicating with the receiving chamber, and the fixing member is received in the receiving chamber and fills the first notch.

9. The air conditioner of claim 8, wherein the receiving groove for receiving the ir-emitting head is formed with a second notch, the first notch and the second notch together form a through hole, and the ir-emitting head faces the through hole.

10. The air conditioner according to claim 1, wherein the fixing member receiving the infrared receiving head is formed with an opening, the infrared receiving head facing the opening; the detection device further comprises a filling piece, and the filling piece fills the opening.

11. The air conditioner according to claim 7, wherein the lower cover comprises two opposite side walls, each side wall being provided with at least one engaging groove; the upper cover body also comprises two opposite side walls, at least one buckle is formed on each side wall, and the buckles are contained in the clamping grooves to connect the upper cover body with the lower cover body.

12. The air conditioner according to claim 7, wherein the lower cover further comprises a recess, and the detecting member, the base, and the upper cover are partially received in the recess; a third notch is formed adjacent to the side wall of the socket, and the socket is accommodated in the groove and is partially exposed by the third notch.

13. A control method of an air conditioner according to any one of claims 1 to 12, the air conditioner further comprising a filter screen, a compressor, and an indoor unit wind wheel, the control method comprising the steps of:

the detection device detects the dust content on the filter screen;

if yes, reminding the user to clean the filter screen or automatically cleaning.

14. The control method of an air conditioner according to claim 13, wherein the step of automatically washing is followed by:

15. The control method of an air conditioner according to claim 13, wherein the step of reminding the user to clean the filter screen is followed by:

16. The method according to claim 13, wherein the air conditioner further comprises a main control unit, a compressor control unit, and an indoor unit wind wheel control unit, and the step of adjusting the frequency of the compressor and the rotational speed of the indoor unit wind wheel comprises: