CN106482319B - Dust detection device, air conditioner and control method of air conditioner - Google Patents
Dust detection device, air conditioner and control method of air conditioner Download PDFInfo
- Publication number
- CN106482319B CN106482319B CN201610872808.8A CN201610872808A CN106482319B CN 106482319 B CN106482319 B CN 106482319B CN 201610872808 A CN201610872808 A CN 201610872808A CN 106482319 B CN106482319 B CN 106482319B
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- dust
- air conditioner
- filter screen
- infrared
- head
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
Abstract
The invention discloses a dust detection device, which comprises a base, a detection piece and an upper cover body, wherein the base comprises two fixing pieces which are oppositely arranged, and each fixing piece is provided with a containing groove; the detection piece comprises an infrared transmitting head for transmitting an infrared signal and an infrared receiving head for receiving the infrared signal, and the infrared transmitting head and the infrared receiving head are respectively accommodated in the accommodating groove; go up the lid and include the connecting portion of two relative settings, each connecting portion all are formed with the chamber that holds with mounting looks adaptation, and each mounting holds respectively in one hold the chamber. The invention also provides an air conditioner using the dust detection device and a control method of the air conditioner.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a dust detection device, an air conditioner using the dust detection device 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. At present, a tester needs to manually detect the dust condition of an air conditioner, and the air conditioner has the defects of poor working condition, low detection precision, low efficiency and the like.
Disclosure of Invention
The invention mainly aims to provide a dust detection device, aiming at quickly and accurately detecting air conditioner dust.
In order to achieve the above object, the present invention provides a dust detecting apparatus, comprising:
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 are formed with the chamber that holds with mounting looks adaptation, and each mounting holds respectively in one hold the chamber.
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 one fixing piece, 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 dust 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 dust detection apparatus further includes a filler that fills the opening.
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 containing the infrared emission heads, and the two second clamping pieces are convexly arranged at two ends of the connecting portion containing the infrared receiving heads.
Furthermore, the lower cover body comprises two oppositely arranged side walls, and each side wall is provided with at least one accommodating 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 accommodating 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.
The invention also provides an air conditioner which comprises the dust detection device, wherein a clamping space is formed on two connecting parts of the dust detection device, the filter screen is positioned in the clamping space, and the dust detection device detects dust on the filter screen.
Further, the air conditioner includes the face frame with set up in two guide rails of face frame, mounting hole and gap have been seted up to the face frame, the guide rail be located the mounting hole with between the gap.
Furthermore, the connecting portion that holds the infrared emission head is formed with two first fasteners, and the connecting portion that holds the infrared emission head runs through the gap, first fastener block in the guide rail.
Furthermore, two second clamping pieces are formed on the connecting portion for accommodating the infrared receiving head, the connecting portion for accommodating the infrared receiving head penetrates through the mounting hole, and the second clamping pieces are clamped on the periphery of the mounting hole.
The invention also provides a control method of the air conditioner, the air conditioner comprises the dust detection device, a filter screen, a compressor and an 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 dust 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/or the rotating speed of the inner machine wind wheel;
if so, reminding the user to clean the filter screen or starting the automatic cleaning device.
Further, the step of activating the automatic cleaning apparatus is followed by:
when the automatic cleaning device finishes a cleaning cycle, 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 the automatic cleaning device stops working;
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 infrared transmitting head transmits the infrared signal to the filter screen of the air conditioner, the infrared signal penetrates through the filter screen, the infrared receiving head receives the infrared signal, the detection piece detects the voltage change of the infrared signal, and the content of dust passing through the filter screen is calculated. The dust detection device has the advantages of high detection precision, simplicity in operation, rapidness and the like.
Furthermore, according to the technical scheme of the invention, the fixing piece of the base is provided with the accommodating groove, the infrared emitting head and the infrared receiving head are respectively accommodated in the accommodating groove, and the detection piece is firmly connected with the base. The connecting portion of the upper cover body forms a containing cavity matched with the fixing piece, the fixing piece containing the infrared receiving head and the infrared emitting head respectively contains the containing cavity, and the detection piece and the base are coated on the upper cover body. Install dust detection device behind the air conditioner, connecting portion close on the filter screen setting for the infrared emission head and the infrared receiving head that hold in the chamber that holds of connecting portion all close on the filter screen setting, so that infrared emission head can be fast, accurately launch infrared signal to filter screen, and infrared receiving head also can receive infrared signal rapidly simultaneously, has improved dust detection device and has carried out the speed and the precision that detect to the dust on the filter screen.
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 a dust detection apparatus according to an embodiment of the present invention.
Fig. 2 is an exploded view of the dust detecting apparatus shown in fig. 1.
Fig. 3 is an exploded view of the dust detection apparatus shown in fig. 1 from another perspective.
Fig. 4 is a sectional view of the dust detecting apparatus shown in fig. 1.
Fig. 5 is a left side view of the dust detecting apparatus shown in fig. 1.
Fig. 6 is a schematic structural diagram of an air conditioner according to an embodiment of the present invention.
Fig. 7 is an enlarged view of a point a shown in fig. 6.
Fig. 8 is an exploded view of the air conditioner shown in fig. 6.
Fig. 9 is an enlarged view of fig. 8 at B.
Fig. 10 is a sectional view of a partial structure of the air conditioner shown in fig. 6.
Fig. 11 is an enlarged view of fig. 10 at C.
Fig. 12 is a sectional view showing another structure of the air conditioner shown in fig. 6.
Fig. 13 is an enlarged view at D shown in fig. 12.
Fig. 14 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention.
Fig. 15 is a detailed flowchart of an embodiment of step S60 in fig. 14.
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. 1-5, a dust detecting device 100 is provided.
The dust detection apparatus 100 includes:
the base 30, the base 30 includes two fixing pieces 31 arranged oppositely, each fixing piece 31 forms a containing groove 311;
the detection piece 50 comprises an infrared emitting head 51 for emitting infrared signals and an infrared receiving head 53 for receiving the infrared signals, and the infrared emitting head 51 and the infrared receiving head 53 are respectively accommodated in the accommodating groove 311; and
go up lid 10, go up lid 10 and include two relative connecting portion 11 that set up, each connecting portion 11 all is formed with the chamber 111 that holds with mounting 31 looks adaptation, and each mounting 31 holds in a chamber 111 that holds respectively.
Two oppositely arranged side walls of the accommodating groove 311 are respectively provided with a baffle 3111, the infrared emission head 51 and the infrared receiving head 53 are respectively accommodated behind the accommodating groove 311, and the baffle 3111 is higher than the infrared emission head 51 and the infrared receiving head 53, so that the accommodating groove 311 and the baffle 3111 can cover the infrared emission head 51 and the infrared receiving head 53.
According to the technical scheme of the invention, the infrared emitting head 51 emits a signal to a filter screen (not shown) of the air conditioner 200, the signal passes through the filter screen, the infrared receiving head 53 receives the signal, the detection piece 50 detects the voltage change of the signal, and the content of dust passing through the filter screen is calculated. The dust detection device 100 of the invention has the advantages of high detection precision, simple and quick operation, and the like.
Specifically, the infrared emitting head 51 emits a signal to a certain area of the filter screen, the signal passes through the area, the infrared receiving head 53 receives the signal, the detecting element 50 detects the voltage variation of the signal, the dust content of the area is calculated, and the dust detecting device 100 calculates the dust content of all areas of the filter screen based on a dust distribution mathematical relation.
Furthermore, in the present invention, the fixing member 31 of the base 30 forms an accommodating groove 311, and the infrared emitting head 51 and the infrared receiving head 53 are respectively accommodated in the accommodating groove 311, so as to firmly connect the detecting member 50 with the base 30. An accommodating cavity 111 matched with the fixing member 31 is formed in the connecting portion 11 of the upper cover 10, the fixing member 31 accommodating the ir receiving head 53 and the ir emitting head 51 is accommodated in the accommodating cavity 111, and the detecting member 50 and the base 30 are covered on the upper cover 10. Install dust detection device 100 in air conditioner 200 back, connecting portion 11 closes on the filter screen setting for infrared emission head 51 and the infrared receiving head 53 that hold in connecting portion 11 hold in chamber 111 all close on the filter screen setting, so that infrared emission head 51 can be fast, accurately launch infrared signal to filter screen, and infrared receiving head 53 also can receive infrared signal rapidly simultaneously, has improved dust detection device 100 and has carried out the speed and the precision that detect to the dust on the filter screen.
Referring to fig. 2, the detecting element 50 further includes a first pin 52 connected to the ir emitting head 51, and a second pin 54 connected to the ir receiving head 53; the base 30 further forms two engaging portions 33, a gap 331 is formed between each engaging portion 33 and a fixing member 31, and the first pin 52 and the second pin 54 pass through the gap 331.
Each engaging portion 33 is further formed with a connecting rib 335, and each engaging portion 33 is connected to the corresponding fixing member 31 through the connecting rib 335.
An accommodating end 117 matched with the engaging portion 33 is formed at an end portion of the upper cover 10 close to the base 30, and after the base 30 is accommodated in the upper cover 10, the engaging portion 33 is accommodated in the accommodating end 117.
According to the technical scheme of the invention, the first pin 52 and the second pin 54 penetrate through the gap 331, the infrared emitting head 51 connected with the first pin 52 and the infrared receiving head 53 connected with the second pin 54 are accommodated in the accommodating groove 311, and the detection piece 50 is connected with the base 30.
The detecting member 50 further includes a circuit board 55, and a socket 57 provided on the circuit board 55, and the first pin 52 and the second pin 54 are electrically connected to the circuit board 55.
The socket 57 is electrically connected to the circuit board 55.
The infrared transmitting head 51 and the infrared receiving head 53 of the technical scheme of the invention are electrically connected with the circuit board 55 through the first pin 52 and the second pin 54.
The engaging portion 33 is formed with an engaging plate 333, and the engaging plate 333 is formed at one end of the engaging portion 33 away from the accommodating groove 311; the dust detecting device 100 further includes a lower cover 70, wherein the lower cover 70 has two steps 71 disposed opposite to each other, the circuit board 55 is supported on the steps 71, and the engaging plate 333 is disposed on the surface of the circuit board 55 facing the upper cover 10.
According to the technical scheme of the invention, the circuit board 55 is arranged on the step 71 of the lower cover body 70, and the clamping plate 333 is arranged on the surface of the circuit board 55 facing the upper cover body 10 in a covering manner, so that the circuit board 50 is firmly accommodated between the lower cover body 70 and the upper cover body 10.
Each connecting portion 11 further forms a first notch 1111 that is communicated with the accommodating cavity 111, and the fixing member 31 is accommodated in the accommodating cavity 111 and fills the first notch 1111.
One of the first notches 1111 has a shape matching that of the mount 31 accommodating the ir-emitting head 51, and the other first notch 1111 has a shape matching that of the mount 31 accommodating the ir-receiving head 53.
According to the technical scheme of the invention, the fixing member 31 is accommodated in the accommodating cavity 1111, and the fixing member 31 is further filled with the first notch 1111 communicated with the accommodating cavity 111, so that the infrared emitting head 51 and the infrared receiving head 53 accommodated in the fixing member 31 can conveniently emit or receive infrared signals through the first notch 1111.
The receiving cavity 311 for receiving the IR emitter 51 is formed with a second notch 3113, the first notch 1111 and the second notch 3113 together form a through hole 1113, and the IR emitter 51 faces the through hole 1113.
The through hole 1113 may have a circular configuration.
The connecting portion 11 accommodating the infrared emission head 51 is further formed with two oppositely disposed bars 115, and the bars 115 may have a bar structure. The through hole 1113 is located between two bars 115, and the bars 115 can prevent impurities such as dust from entering the through hole 1113.
According to the technical scheme of the invention, the second notch 3113 is formed in the accommodating groove 311 provided with the infrared emission head 51, the second notch 3113 is communicated with the accommodating groove 311, meanwhile, the first notch 1111 and the second notch 3113 jointly form a through hole 1113, and the infrared emission head 51 faces the through hole 1113, so that the infrared emission head 51 can conveniently emit infrared signals.
Referring to fig. 3, the fixing member 31 accommodating the ir receiving head 53 is formed with an opening 313, and the ir receiving head 53 faces the opening 313; the dust detecting apparatus 100 further includes a filler 90, and the filler 90 fills the opening 313.
The fixing member 31 accommodating the infrared receiving head 53 is also formed with two oppositely disposed bars 315, the opening 313 is located between the two bars 315, and the bars 315 can prevent impurities such as dust from entering the opening 313. The stop strip 315 exposes the receiving cavity 111 and the first notch 1111.
The filling member 90 can seal the opening 313 and can be made of plastic, rubber, etc., preferably transparent plastic or rubber.
According to the technical scheme, the opening 313 is formed in the fixing piece 31 accommodating the infrared receiving head 53, and the infrared receiving head 53 faces the opening 313, so that the infrared receiving head 53 can receive infrared signals conveniently. The technical scheme of the invention also fills the filling member 90 in the opening 313 to prevent impurities such as dust and the like from entering the detection member 50 through the opening 313.
The upper cover 10 further includes two first engaging members 15 and two second engaging members 17, the two first engaging members 15 are protrudingly disposed at two ends of the connecting portion 11 accommodating the ir emitting heads 51, and the two second engaging members 17 are protrudingly disposed at two ends of the connecting portion 11 accommodating the ir receiving heads 53.
Each first engaging member 15 has a substantially U-shaped structure with an engaging slot 151.
The outer wall of each second engaging member 17 is formed with a projection 171.
According to the technical scheme of the invention, two first clamping pieces 15 are arranged at two ends of the connecting part 11 containing the infrared emitting head 51, and two second clamping pieces 17 are arranged at two ends of the connecting part 11 containing the infrared receiving head 53, so that the dust detection device 100 can be installed on the air conditioner 200 through the first clamping pieces 15 and the second clamping pieces 17.
The lower cover 70 includes two opposite sidewalls 73, each sidewall 73 has at least one receiving slot 731; the upper cover 10 also includes two opposite sidewalls, each sidewall is formed with at least one latch 113, and the latch 113 is received in the receiving groove 731 to connect the upper cover 10 and the lower cover 70.
In the technical scheme of the present invention, at least one receiving groove 731 is formed in the side wall 73, at least one latch 113 is formed on the side wall of the upper cover 10, and the latch 113 is received in the receiving groove 731 to connect the upper cover 10 and the lower cover 70.
Referring to fig. 2, the lower cover 70 further includes a groove 75, and the detecting member 50, the base 30 and the upper cover 10 are partially accommodated in the groove 75; a third notch 77 is formed adjacent the side wall 73 of the receptacle 57, and the receptacle 57 is received in the recess 75 and partially exposed by the third notch 77.
According to the technical scheme of the invention, the lower cover body 70 is provided with the groove 75, the detection piece 50, the base 30 and the upper cover body 10 are partially accommodated in the groove 75, and the upper cover body 10, the detection piece 50 and the base 30 are all connected to the lower cover body 70. According to the technical scheme of the invention, the third notch 77 is formed on the side wall 73 adjacent to the socket 57, and the socket 57 is accommodated in the groove 75 and is partially exposed by the third notch 77, so that the width of the dust detection device 100 is reduced.
Referring to fig. 6 to 13, the present invention further provides an air conditioner 200, which includes a filter screen (not shown) and the dust detecting apparatus 100. The specific structure of the dust detection apparatus 100 refers to the above embodiments, and since the dust 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 two connecting parts 11 of the dust detection device are formed with a clamping space 12, the filter screen is positioned in the clamping space 12, and the dust detection device 100 detects dust on the filter screen.
The filter screen is partially accommodated in the two guide rails 23.
According to the technical scheme of the invention, the filter screen is accommodated in the clamping space of the dust detection device 100, so that the dust detection device 100 can detect the dust on the filter screen.
Referring to fig. 7 and 9, the air conditioner 200 includes a panel frame 21 and two guide rails 23 disposed on the panel frame 21, the panel frame 21 is provided with a mounting hole 211 and a gap 213, and the guide rails 23 are disposed between the mounting hole 211 and the gap 213.
According to the technical scheme of the invention, the mounting hole 211 and the gap 213 are formed in the face frame 21, and the guide rail 23 is positioned between the mounting hole 211 and the gap 213, so that the dust detection device 100 can be mounted on the face frame 21 through the mounting hole 211 and the gap 213, and thus, the dust on the filter screen accommodated in the guide rail 23 is detected.
Referring to fig. 11, two first engaging members 15 are formed on the connecting portion 11 for accommodating the ir-emitting head 51, the connecting portion 11 for accommodating the ir-emitting head 51 penetrates the gap 213, and the first engaging members 15 are engaged with the guide rail 23.
Each first engaging member 15 has a substantially U-shaped structure with an engaging slot 151.
According to the invention, the connecting part 11 accommodating the infrared emitting head 51 penetrates through the gap 213, the first clamping piece 15 is clamped with the guide rail 23, and the guide rail 23 is accommodated in the clamping groove 151.
Referring to fig. 11, two second engaging members 17 are formed on the connecting portion 11 for accommodating the ir receiving head 53, the connecting portion 11 for accommodating the ir receiving head 53 penetrates the mounting hole 211, and the second engaging members 17 are engaged with the periphery of the mounting hole 211. The outer wall of each second engaging member 17 is formed with a projection 171.
According to the technical scheme of the invention, the connecting part 11 accommodating the infrared receiving head 53 penetrates through the mounting hole 211, and the second clamping piece 17 is clamped at the periphery of the mounting hole 211. Specifically, the protrusion 171 of each second engaging member 17 engages with the periphery of the mounting hole 211, preventing the dust detecting device 100 from falling off from the mounting hole 211.
Referring to fig. 13, the surface of the face frame 21 facing away from the guide rail 23 is formed with a mounting surface 215, and the upper cover 10 further includes a retaining portion 13 located between the connecting portions 11.
When the dust detecting device 100 is installed in the air conditioner 200, the connecting portion 11 of the dust detecting device 100 with the second engaging member 17 passes through the installation hole 211 from the installation surface 215, and the other connecting portion 11 passes through the gap 213 from the installation surface 215 until the installation surface 215 abuts against the retaining portion 13, at this time, the protrusion 171 of the second engaging member 17 abuts against the inner surface of the face frame 21, and the guide rail 23 engages with the engaging groove 151 of the first engaging member 15, so as to prevent the dust detecting device 100 from falling off from the installation hole 211. It is understood that the second engaging member 17 has elasticity, and when the second engaging member 17 passes through the mounting hole 211, the second engaging member 17 elastically contracts to pass through the mounting hole 211. After the second engaging member 17 passes through the mounting hole 211, it returns to the natural state, and the protrusion 171 abuts against the inner surface of the face frame 21, so as to engage the dust detecting device 100 with the face frame 21.
Referring to fig. 14 to 15, the present invention also provides a control method of an air conditioner.
In this embodiment, the air conditioner 200 includes the dust detection apparatus 100, a filter screen (not shown), a compressor (not shown), and an indoor fan (not shown). The specific structure of the dust detection apparatus 100 refers to the above embodiments, and since the dust 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 200 refers to the above embodiments, and since the dust 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 dust detection device 100 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 200, 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: judging that there is a stone in the automatic cleaning device (not shown), if not, executing step S51b, if yes, executing step S51 a;
s51 a: starting the automatic cleaning device;
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 200 comprises a dust detection device 100, a filter screen, a compressor and an indoor unit wind wheel, the control method of the invention is mainly used for linkage of the dust detection device 100, the compressor and the indoor unit wind wheel, the dust content on the filter screen detected by the dust detection device 100 is used for adjusting the frequency of the compressor, or adjusting the rotating speed of the indoor unit wind wheel, or adjusting the frequency of the compressor and the rotating speed of the indoor unit wind wheel simultaneously, the larger the dust content is, the higher the frequency of the compressor and/or the rotating speed of the indoor unit wind wheel are correspondingly adjusted, so that the refrigerating and heating capacities of the air conditioner 200 are ensured, or a user is reminded to clean the filter screen, or an automatic cleaning device is started to 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, the first threshold is smaller than the second threshold, then the dust content on the filter screen is detected by the dust detection device 100, 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 200, the air conditioner 200 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 200 may increase the frequency of the compressor or the rotation speed of the indoor unit according to the dust content, in order to further ensure the cooling and heating effects of the air conditioner 200, air conditioner 200 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 200's major control system can judge air conditioner 200 itself whether have self-cleaning device 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 dust detection device 100, then comparing the detected dust content with the set first threshold value, if the detected dust content is smaller than the first threshold value, enabling the air conditioner 200 to normally operate, 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 200 includes an automatic cleaning device, when the automatic cleaning device is started to clean the filter screen to complete a cleaning cycle, the dust detection device detects the dust content on the filter screen again, and then further judges whether the moment, 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 the moment, the air conditioner 200 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 200 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;
s60: the frequency of the compressor and/or the rotational speed of the inner turbine rotor is adjusted.
In the control method of the air conditioner of this embodiment, the air conditioner 200 does not have an automatic cleaning device, a user needs to manually clean dust on a filter screen of the air conditioner, when it is detected 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 at the same time, a time period for cleaning the filter screen is provided, that is, after the time period elapses, the dust detection device 100 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 then 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 200 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 200, and in order to further obtain a comfortable experience effect, the air conditioner 200 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 200 further includes a main control unit (not shown), a compressor control unit (not shown), and an internal turbine control unit (not shown), and the 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 200 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 200 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 200, in other embodiments, if the air conditioner 200 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 (15)
1. A dust detection apparatus, characterized by comprising:
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
the upper cover body comprises two oppositely arranged connecting parts, 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 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 also provided with two clamping parts, a gap is formed between each clamping part and a fixing piece, and the first pin and the second pin penetrate through the gap;
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;
the clamping part is provided with a clamping plate, and the clamping plate is formed at one end of the clamping part far away from the accommodating groove; the dust 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.
2. The dust detecting apparatus according to claim 1, wherein each of the connecting portions further has a first notch formed therein to communicate with the accommodating chamber, and the fixing member is accommodated in the accommodating chamber and fills the first notch.
3. The dust detecting apparatus of claim 2, wherein the receiving slot 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.
4. The dust detecting apparatus according to claim 1, wherein a fixing member in which the infrared receiving head is accommodated is formed with an opening, the infrared receiving head facing the opening; the dust detection apparatus further includes a filler that fills the opening.
5. The dust detecting apparatus of claim 1, wherein the upper cover further comprises two first engaging members and two second engaging members, the two first engaging members are protruded at both ends of the connecting portion for receiving the infrared emitting head, and the two second engaging members are protruded at both ends of the connecting portion for receiving the infrared receiving head.
6. The dust detecting apparatus of claim 1, wherein the lower cover comprises two opposite sidewalls, each sidewall defining at least one receiving slot; 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 accommodating groove to connect the upper cover body with the lower cover body.
7. The dust detecting apparatus of claim 6, wherein the lower cover further comprises a recess, and the detecting member, the base, and the upper cover are partially received in the recess; 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.
8. The utility model provides an air conditioner, includes the filter screen, its characterized in that: the air conditioner further comprises a dust detection device according to any one of claims 1 to 7, wherein a clamping space is formed between the two connecting parts of the dust detection device, the filter screen is located in the clamping space, and the dust detection device detects dust on the filter screen.
9. The air conditioner according to claim 8, wherein the air conditioner comprises a surface frame and two guide rails arranged on the surface frame, the surface frame is provided with a mounting hole and a gap, and the guide rails are positioned between the mounting hole and the gap.
10. The air conditioner as claimed in claim 9, wherein the connecting portion for receiving the ir-emitting head is formed with two first engaging members, the connecting portion for receiving the ir-emitting head penetrates the slit, and the rail is engaged with the first engaging members.
11. The air conditioner according to claim 9, wherein the connecting portion for receiving the ir receiving head is formed with two second engaging members, the connecting portion for receiving the ir receiving head penetrates the mounting hole, and the second engaging members engage with a periphery of the mounting hole.
12. A control method of an air conditioner including the dust detecting device, the filter screen, the compressor, and the indoor unit wind wheel according to any one of claims 1 to 7, characterized by comprising the steps of:
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 dust 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/or the rotating speed of the inner machine wind wheel;
if so, reminding the user to clean the filter screen or starting the automatic cleaning device.
13. The control method of an air conditioner according to claim 12, wherein the step of activating the automatic washing device is followed by comprising:
when the automatic cleaning device finishes a cleaning cycle, 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 the automatic cleaning device stops working;
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.
14. The control method of an air conditioner according to claim 12, wherein the step of reminding the user to clean the filter screen is followed by:
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.
15. The method according to claim 12, wherein the air conditioner includes 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 includes:
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.
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| CN201610872808.8A CN106482319B (en) | 2016-09-30 | 2016-09-30 | Dust detection device, air conditioner and control method of air conditioner |
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| CN201610872808.8A CN106482319B (en) | 2016-09-30 | 2016-09-30 | Dust detection device, air conditioner and control method of air conditioner |
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| CN106482319B true CN106482319B (en) | 2022-01-25 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0210052A (en) * | 1988-06-29 | 1990-01-12 | Matsushita Electric Ind Co Ltd | Hot air heater |
| CN2735215Y (en) * | 2004-10-22 | 2005-10-19 | 李兴浩 | Lamp picture mechanism for indoor set of split floor-type air conditioner |
| KR20070113180A (en) * | 2007-11-08 | 2007-11-28 | 휴먼플러스(주) | Changing time detector of air filter |
| CN203404845U (en) * | 2013-07-12 | 2014-01-22 | 广东美的暖通设备有限公司 | Air conditioner indoor unit |
| CN104374057A (en) * | 2014-10-24 | 2015-02-25 | 广东申菱空调设备有限公司 | Particulate matter filtering device with automatic cleaning function and control method thereof |
| CN204555030U (en) * | 2015-03-09 | 2015-08-12 | Tcl空调器(中山)有限公司 | Hanging air conditioner |
| CN105928181A (en) * | 2016-04-22 | 2016-09-07 | 广州镭豪环境科技有限公司 | Air velocity transducer, air velocity measuring method and fresh air cabinet employing air velocity transducer |
| CN206223608U (en) * | 2016-09-30 | 2017-06-06 | 芜湖美智空调设备有限公司 | Dust detection and air-conditioning |
-
2016
- 2016-09-30 CN CN201610872808.8A patent/CN106482319B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0210052A (en) * | 1988-06-29 | 1990-01-12 | Matsushita Electric Ind Co Ltd | Hot air heater |
| CN2735215Y (en) * | 2004-10-22 | 2005-10-19 | 李兴浩 | Lamp picture mechanism for indoor set of split floor-type air conditioner |
| KR20070113180A (en) * | 2007-11-08 | 2007-11-28 | 휴먼플러스(주) | Changing time detector of air filter |
| CN203404845U (en) * | 2013-07-12 | 2014-01-22 | 广东美的暖通设备有限公司 | Air conditioner indoor unit |
| CN104374057A (en) * | 2014-10-24 | 2015-02-25 | 广东申菱空调设备有限公司 | Particulate matter filtering device with automatic cleaning function and control method thereof |
| CN204555030U (en) * | 2015-03-09 | 2015-08-12 | Tcl空调器(中山)有限公司 | Hanging air conditioner |
| CN105928181A (en) * | 2016-04-22 | 2016-09-07 | 广州镭豪环境科技有限公司 | Air velocity transducer, air velocity measuring method and fresh air cabinet employing air velocity transducer |
| CN206223608U (en) * | 2016-09-30 | 2017-06-06 | 芜湖美智空调设备有限公司 | Dust detection and air-conditioning |
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| CN106482319A (en) | 2017-03-08 |
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