CN106440321B - 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
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- CN106440321B CN106440321B CN201610872722.5A CN201610872722A CN106440321B CN 106440321 B CN106440321 B CN 106440321B CN 201610872722 A CN201610872722 A CN 201610872722A CN 106440321 B CN106440321 B CN 106440321B
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- dust
- light
- air conditioner
- filter screen
- threshold value
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a dust detection device, an air conditioner and a control method of the air conditioner, wherein the dust detection device comprises a base, the base comprises two oppositely arranged installation parts, and a clamping space is formed between the two installation parts; each mounting part is provided with a mounting groove at one side departing from the clamping space, and is provided with a light via hole at one side facing the clamping space, and the light via hole is communicated with the mounting groove; the detection piece comprises a light emitter and a light receiver, the light emitter and the light receiver are respectively fixed in the mounting groove, and light emitted by the light emitter is emitted out through a corresponding light through hole and is emitted to the light receiver through the other light through hole; one of the two mounting parts is connected with at least one buckle with an opening facing the clamping space. The invention can realize the rapid and accurate detection of dust in the air conditioner, and is convenient to disassemble and assemble.
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, detection personnel need to manually detect the dust condition of the air conditioner, and the air conditioner has poor working condition, low detection precision and low efficiency.
Disclosure of Invention
The invention mainly aims to provide a dust detection device, aiming at quickly and accurately detecting the dust of an air conditioner, simplifying the assembly structure of the dust detection device and the air conditioner and ensuring firm connection.
In order to achieve the purpose, the dust detection device provided by the invention comprises a base, wherein the base comprises two oppositely arranged installation parts, and a clamping space is formed between the two installation parts;
each mounting part is provided with a mounting groove at one side departing from the clamping space, and is provided with a light via hole at one side facing the clamping space, and the light via hole is communicated with the mounting groove;
the detection piece comprises a light emitter and a light receiver, wherein the light emitter comprises an infrared light emitter or an ultraviolet light emitter, and the light receiver comprises an infrared light receiver or an ultraviolet light receiver; the light emitter and the light receiver are respectively fixed in the mounting groove, and light emitted by the light emitter is emitted out through a corresponding light through hole and is emitted to the light receiver through another light through hole;
one of the two mounting parts is connected with at least one buckle with an opening facing the clamping space.
Preferably, the buckle include the bottom plate and with first clamping jaw and the second clamping jaw that the bottom plate is connected, first clamping jaw and second clamping jaw are located relatively the bottom plate both ends and to centre gripping space one side is extended, the bottom plate is close to the one end of first clamping jaw with the outer wall connection of installation department, the bottom plate is close to the one end of second clamping jaw with be equipped with the clearance between the outer wall of installation department.
Preferably, the buckle is equipped with two, two the buckle symmetry is located the relative both sides of installation department.
Preferably, the other of the two mounting portions is further provided with two connecting buckles, and the two connecting buckles are symmetrically arranged on two opposite sides of the mounting portion.
Preferably, the bottom cover comprises two oppositely arranged cover plates, each cover plate is detachably connected with one mounting part and covers the mounting groove to form a containing cavity.
Preferably, each the installation department deviates from one side in centre gripping space is equipped with the arch, each the apron is seted up and is corresponded bellied connecting hole, the arch inserts in the connecting hole.
Preferably, a transparent sealing member covers one end of each light passing hole close to the clamping space.
Preferably, the side wall of each mounting portion extends to the clamping space from the edge of the opening of the light via hole to form a light shielding cylinder, and the transparent sealing element is embedded in the light shielding cylinder.
Preferably, the detection member further comprises a circuit board, the light emitter and the light receiver are electrically connected with the circuit board, a containing groove is formed in the bottom cover, and the circuit board is contained in the containing groove.
Preferably, the base is still including the connecting portion of connecting two installation departments, and this connecting portion deviates from one side of installation department is provided with two reference columns, two the reference column sets up with the projection of one of them installation department towards the direction looks vertically plane of another installation department staggers, two the reference column is contradicted in this circuit board.
Preferably, the detection piece further comprises a socket connected with the circuit board, a gap is formed in the side wall of the connecting portion, and the socket extends out of the gap.
The invention also provides an air conditioner which comprises a filter screen, a face frame connected with the filter screen and the dust detection device, wherein the face frame and the filter screen are partially positioned in the clamping space, the dust detection device is clamped and fixed on the face frame, and the dust detection device detects dust on the filter screen.
The invention also provides a control method of the air conditioner, the air conditioner comprises a filter screen, a compressor, an internal machine wind wheel and the dust detection device, and the control method comprises 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 yes, reminding a user to clean the filter screen or starting automatic cleaning.
Preferably, the step of initiating automatic 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.
Preferably, 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.
Preferably, the air conditioner further comprises a main control unit, a compressor control unit and an internal machine wind wheel control unit, and 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 light emitter is adopted to emit detection light to pass through the light passing hole to the filter screen of the air conditioner, the detection light passes through the filter screen, the light receiver receives the detection light, and the content of dust passing through the filter screen is calculated through the change of a voltage signal converted by the detection light. The dust detection device provided by the invention detects dust on the filter screen through the two opposite-emitting light emitters and the light receiver, and has the advantages of high detection precision, simplicity in operation, rapidness and the like.
In addition, according to the technical scheme, the at least one buckle is arranged on one side of the mounting part facing the clamping space, and the buckle is firmly buckled on the face frame which penetrates through the clamping space and is connected with the filter screen in the installation and use process of the dust detection device in the air conditioner, so that the dust detection device is convenient to assemble in the air conditioner and is firm in connection structure.
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 perspective view of a dust detecting apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic top view of the dust detecting apparatus shown in FIG. 1;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a schematic front view of the dust detecting apparatus shown in FIG. 1;
FIG. 5 is a cross-sectional view taken at B-B of FIG. 4;
FIG. 6 is a schematic view of an exploded structure of the dust detecting apparatus shown in FIG. 1;
FIG. 7 is a schematic diagram of an exploded structure of the dust detecting apparatus in FIG. 1 in a side view;
FIG. 8 is a schematic cross-sectional view of an air conditioner according to an embodiment of the present invention;
FIG. 9 is an enlarged schematic view at C of FIG. 8;
FIG. 10 is a flowchart illustrating an embodiment of a method for controlling an air conditioner according to the present invention;
fig. 11 is a detailed flowchart of an embodiment of step S60 in fig. 10.
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 the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes 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.
The present invention provides a dust detection apparatus 100.
Referring to fig. 1 to 7, in an embodiment of the dust detecting device 100 of the present invention, the dust detecting device includes a base 10, a detecting element 50 and a bottom cover 30, the base 10 includes two opposite mounting portions 11, a clamping space 119 is formed between the two mounting portions 11, each mounting portion 11 has a mounting groove 111 on a side away from the clamping space 119, and a light passing hole 113 communicating with the mounting groove 111 is formed on a side facing the clamping space 119; the detection piece 50 comprises a light emitter 51 and a light receiver 53, wherein the light emitter 51 comprises an infrared light emitter 51 or an ultraviolet light emitter 51, the light receiver 53 comprises an infrared light receiver 53 or an ultraviolet light receiver 53, an infrared emitting head and an infrared receiving head are respectively inserted into the mounting groove 111, light emitted by the infrared emitting head is emitted from a corresponding light through hole 113 and is emitted to the infrared receiving head through another light through hole 113; the cover plate comprises two cover plates 31 which are oppositely arranged, wherein each cover plate 31 is detachably connected with one installation part 11 and covers the installation groove 111 to form an accommodating cavity 115.
The base 10 may be made of plastic and manufactured by an integral injection molding process. The base 10 is made of non-light-transmitting material, so that light emitted from the external non-light emitter 51 cannot be emitted into the accommodating cavity 115 through the wall of the base 10, and the light receiver 53 substantially receives the light from the light emitter 51, so that the dust detection result is accurate. The two mounting portions 11 are oppositely disposed at a certain distance, a clamping space 119 is formed between the two mounting portions 11, after the dust detecting device 100 of the present invention is mounted in the air conditioner 200, a portion of the filter screen of the air conditioner 200 can pass through the clamping space 119, and the detecting light emitted from the light emitter 51 is emitted from the adjacent light passing hole 113, passes through the filter screen and passes through the other light passing hole 113 to be emitted to the light receiver 53. The installation groove 111 in the installation part 11 of the device can extend in the length direction of the installation part 11, and the lower part of the base 10 is provided with an inlet and an outlet, and the leads of the light emitter 51 and the light receiver 53 can extend to the lower end of the base 10 along the installation groove 111 in the installation process. The mounting portion 11 may be cylindrical or square, the accommodating cavity 115 may also be cylindrical or square, and in order to facilitate the installation and fixation of the optical transmitter 51 and the optical receiver 53 in the accommodating cavity 115, the accommodating cavity 115 may also be configured to have a shape adapted to the optical transmitter 51 and the optical receiver 53, so that the optical transmitter 51 and the optical receiver 53 may be fixed after being inserted into the accommodating cavity 115 in the mounting portion 11. The bottom cover 30 may also be made of plastic and manufactured by injection molding, and the cover plate 31 has a rectangular cross section.
The light emitter 51 of the present embodiment is an infrared emitting head, and the light receiver 53 is an infrared receiving head, that is, the dust concentration is obtained by performing photoelectric signal conversion through the light intensity attenuation rate of infrared rays passing through the dust. Specifically, the infrared emitting head emits a signal to a certain area of the filter screen, the signal passes through the area, the infrared receiving head receives the signal, the voltage change of the signal is obtained, the dust content of the area is calculated, and the dust detection device 100 calculates the dust content of all the areas of the filter screen based on a dust distribution mathematical relation. The transparent cover body can be made of plastic material with good light transmittance, glass material, etc., such as PP (polypropylene), PE (polyethylene), ABS (acrylonitrile-butadiene-styrene copolymer).
According to the technical scheme, the light emitter 51 is used for emitting detection light to the filter screen of the air conditioner 200 through the light passing hole 113, the detection light passes through the filter screen, the light receiver 53 receives the detection light, the detection piece 50 detects the change of a voltage signal converted by the detection light, and the content of dust passing through the filter screen is calculated. The dust detection device 100 of the invention detects dust on the filter screen through the two opposite light emitters 51 and the light receiver 53, and has the advantages of high detection precision, simple and quick operation and the like.
In addition, according to the technical scheme of the invention, the bottom cover 30 and the base 10 are connected in a covering manner to form the accommodating cavity 115, the light emitter 51 and the light receiver 53 are respectively accommodated in the accommodating cavity 115, the light emitter 51 and the light receiver 53 are positioned in a relatively closed space, and external light is difficult to enter the accommodating cavity 115, so that the interference of the external light on the reception of the detection light of the light receiver 53 can be greatly reduced, and the detection precision of the dust detection device 100 is further improved. Meanwhile, in the assembly process of the dust detection device 100 of the present invention, the mounting groove 111 is formed on the side of the mounting portion 11 away from the clamping space 119, and the bottom cover 30 and the base 10 are detachably connected, so that the light emitter 51 and the light receiver 53 can be respectively inserted into the mounting groove 111 of the base 10 before the bottom cover 30 and the base 10 are covered, and the fixed mounting of the bottom cover 30 and the light receiver can be realized, and the whole assembly process is simple, so that the production efficiency of the dust detection device 100 is improved, and the cost is reduced.
Referring to fig. 1 and fig. 3, a protrusion 117 is disposed on a side of each mounting portion 11 away from the clamping space 119, each cover plate 31 is provided with a connecting hole 311 corresponding to the protrusion 117, and the protrusion 117 is inserted into the connecting hole 311. The width of this embodiment apron 31 and the width looks adaptation of mounting groove 111, so apron 31 can inlay and locate in mounting groove 111, and apron 31 can realize the sealed of mounting groove 111, in this dust detection device 100 in-service use process, can ensure that outside dust is difficult to get into in the holding chamber 115 for dust detection device 100 can be the continuous use of long time. Meanwhile, the bottom cover 30 and the base 10 are connected through the matched clamping connection of the protrusion 117 and the buckle 15, and the assembly process of the bottom cover 30 and the base 10 is simpler.
Referring to fig. 1 and 2, one of the two mounting portions 11 is connected to at least one latch 15 with an opening facing the clamping space 119. According to the technical scheme of the invention, the at least one buckle 15 is arranged on one side of the mounting part facing the clamping space, and the buckle 15 is firmly buckled on the surface frame 210 (refer to fig. 8) which penetrates through the clamping space and is connected with the filter screen in the installation and use process of the dust detection device 100 in the air conditioner, so that the dust detection device 100 is convenient to assemble in the air conditioner and is firm in connection structure.
Specifically, buckle 15 includes bottom plate 151 and first clamping jaw 153 and second clamping jaw 155 connected with bottom plate 151, and first clamping jaw 153 and second clamping jaw 155 are relative to be located bottom plate 151 both ends and extend to centre gripping space 119 one side, and bottom plate 151 is close to the one end of first clamping jaw 153 and is connected with the outer wall of installation department 11, and bottom plate 151 is close to be equipped with the clearance between the one end of second clamping jaw 155 and the outer wall of installation department 11.
The surface of the bottom plate 151 and a side wall of the mounting portion 11 facing the clamping space 119 are flush in this embodiment, and the first and second jaws 153 and 155 extend into the clamping space 119 in a direction substantially perpendicular to the bottom plate 151.
In the installation process of the dust detection device 100 of the present invention, the buckle 15 is fastened to the face frame 210 in the air conditioner 200, and the fastening action of the first clamping jaw 153 and the second clamping jaw 155 is used to firmly fix the dust detection device 100 in the air conditioner 200, and the bottom plate 151 of the buckle 15 is partially connected to the side wall of the installation part 11, so that in the fastening process of the buckle 15 and the face frame 210, the buckle 15 can have a larger elastic deformation amount, so that the structure is firmer when the buckle 15 is fastened to the face frame 210, and meanwhile, in the dismounting process, the buckle 15 is not easy to break, so that the service life of the dust detection device 100 is longer.
The two buckles 15 are provided in this embodiment, the two buckles 15 are symmetrically provided on two opposite sides of the mounting portion 11, specifically, the two buckles 15 are symmetrically provided on two front and rear side walls in the thickness direction of the mounting portion 11. The two clasps 15 of the present embodiment are attached to both front and rear surfaces in the thickness direction of the mounting portion 11. The two buckles 15 are symmetrically arranged, so that the connection structure of the dust detection device 100 and the face frame 210 of the air conditioner 200 is more stable.
Two one of them of installation department 11 still is connected with two connector links 17, two connector link 17 symmetry is located the relative both sides of installation department 11, each connector link 17 is located highly to be less than the light via hole 113 is located highly.
Two connector links 17 are connected in 11 ascending front and back surfaces of thickness direction of installation department, each connector link 17 is connected with 11 lateral walls of installation department for one end, the flange structure that the other end extends to the lower lid direction, and be provided with the lug (not marking) that is used for the block at flange structure's lateral wall, install in air conditioner 200's in-process at this dust detection device 100, be provided with at air conditioner 200's casing with lug complex hole, the hole of going into air conditioner 200 casing with the lug card can realize that dust detection device 100 further fixes in air conditioner 200, it is more convenient in the installation. Moreover, the elastic property of the flanging structure of the clamping piece enables the matching structure of the projection and the hole to be firmer, so that the dust detection device 100 is firmer in the air conditioner 200.
Referring to fig. 4 and 7, each mounting portion 11 is provided with a light shielding tube 13 protruding from the edge of the light passing hole 113. The shape of light through hole 113 can be circular or square to the axis of two light through holes 113 is located same straight line, and two light through hole 113's highly uniform promptly, and the section of thick bamboo 13 of preventing light is integrative shaping in the installation department 11 production process of moulding plastics, and the length that the section of thick bamboo 13 of preventing light outwards extends can be set up according to the actual installation environment of dust detection device 100 in the air conditioner, ensures that outside light is difficult to get into in the holding chamber 115.
In this embodiment, the light shielding tube 13 is disposed at the light passing hole 113, so that the light from the outside can be prevented from leaking into the accommodating cavity 115, and the detection accuracy of the dust detection apparatus 100 is further improved.
Furthermore, a transparent sealing member 70 is covered on one end of each light passing hole 113 close to the clamping space 119, and the transparent sealing member 70 is embedded in the light shielding tube 13. The transparent sealing member 70 may be made of plastic material with good light transmittance, glass material, etc., such as PP (polypropylene), PE (polyethylene), ABS (acrylonitrile-butadiene-styrene copolymer). The shape of the transparent encapsulant 70 is adapted to the shape of the light passing aperture 113. The sealing function of the transparent sealing member 70 of the present device prevents external dust from falling into the light passing hole 113, so that the light propagation path from the light emitter 51 to the light receiver 53 is kept smooth, and the dust detection device 100 can work continuously and normally.
Referring to fig. 4 to 8, the detecting member 50 further includes a circuit board 55, the light emitter 51 and the light receiver 53 are electrically connected to the circuit board 55, the bottom cover 30 is formed with a receiving groove 33, and the circuit board 55 is received in the receiving groove 33.
The bottom cover 30 may be made of plastic or rubber, and is manufactured by an integral injection molding method. In the embodiment, the circuit board 55 is accommodated in the closed space formed by the bottom cover 30 and the base 10 through the covering of the bottom cover 30 and the base 10, so that in the using process of the dust detection device 100, external dust can be prevented from falling on the circuit board 55 to corrode the circuit board 55, and the dust detection device 100 can continuously and normally work.
In order to prevent the circuit board 55 from shaking in the accommodating groove 33, the base 10 further includes a connecting portion 12 connecting the two mounting portions 11, one side of the connecting portion 12 away from the fixing member is provided with two positioning pillars 19, the two positioning pillars 19 are arranged in a staggered manner in a projection on a plane perpendicular to a direction in which one mounting portion 11 is close to the other mounting portion 11, and the two positioning pillars 19 abut against the circuit board 55.
In the present embodiment, the circuit board 55 may be provided with a positioning hole corresponding to the positioning post 19, in the assembly process of the dust detection apparatus 100, after the light emitter 51 and the light receiver 53 are respectively inserted into the accommodating cavity 115 of the base 10, the circuit board 55 is primarily positioned by the positioning post 19 of the base 10 and the positioning hole of the circuit board 55, and the circuit board 55 is accommodated in the accommodating groove 33 of the lower cover body by the cover of the bottom cover 30 and the base 10, the two positioning posts 19 are arranged in a non-centrosymmetric manner in the projection of the circuit board 55 on the plane, so that in the primary fixing process of the circuit board 55, the installation direction of the circuit board 55 is more easily determined, errors in the assembly process can be avoided, and thus, the assembly efficiency can be improved.
Further, the detecting element 50 further includes a socket 57 connected to the circuit board 55, a gap 122 is opened on a side wall of the connecting portion 12, and a portion of the socket 57 protrudes from the gap 122. The sidewall of the socket 57 can form a tight abutting fit with the sidewall of the notch 122 to prevent external dust from entering the mounting groove 111 of the lower cover. After fixing dust detection device 100 in air conditioner 200, insert socket 57 through the plug and can realize that the power supply of dust detection device 100 starts, this embodiment sets up dust detection device 100's socket 57 in base 10 lower part, then socket 57 is behind the connecting plug, and the walking of plug is arranged more easily, can not form the interference at filter screen air inlet direction to the filter screen, so, the dust testing result of this device is more accurate.
Referring to fig. 8 and 9, the present invention further provides an air conditioner 200, which includes a filter screen (not shown), a face frame 210 connected to the filter screen, and a dust detection device 100. The face frame and the filter screen are partially located in the clamping space 119, the dust detection device 100 is clamped and fixed to the face frame 210, the specific structure of the dust detection device 100 refers to the above embodiments, and since the air conditioner 200 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 details are not repeated here.
Referring to fig. 10 and 11, the present invention further provides a control method of an air conditioner.
In this embodiment, the air conditioner 200 includes the dust detection device 100, a filter screen (not shown), a compressor (not shown), and an indoor unit wind wheel (not shown). The specific structure of the dust detection apparatus 100 refers to the above embodiments, and since the dust detection apparatus 100 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 apparatus 100 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.
Referring to fig. 9, the control method of the air conditioner includes 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 the 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 automatic cleaning;
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, 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 can 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, the air conditioner can correspondingly increase the frequency of the compressor and the rotating speed of the inner machine wind wheel simultaneously according to the dust content, if the dust content is larger than a second threshold value, a main control system of the air conditioner can judge whether an automatic cleaning device exists in the air conditioner, when the automatic cleaning device is detected, the automatic cleaning device is started to clean the filter screen, and when the automatic cleaning device is not detected, a warning is sent to remind a user of cleaning 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, normally operating the air conditioner 200, 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 200, 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 operation is simple, the use is convenient, and the health of the user is benefited.
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 finishing cleaning, and stopping automatic cleaning.
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 100100 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; 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 the larger the detected dust content is, the higher the frequency of the compressor and/or the rotating speed of the indoor unit wind wheel is correspondingly increased; if the dust content at the moment is larger than the second threshold value, the air conditioner starts the automatic cleaning device again to start the next cleaning cycle until the detected dust content is smaller than the second threshold value.
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, and 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, the fact that the user has cleaned the filter screen is proved, at the moment, the compressor and the indoor unit wind wheel can normally run, if the dust content at the moment is larger than the first threshold value and smaller than the second threshold value, the air conditioner correspondingly increases the frequency of the compressor or the rotating speed of the indoor unit wind wheel according to the detected dust content, heating and refrigerating performances of the air conditioner are guaranteed, and in order to further obtain a comfortable experience effect, the air conditioner correspondingly increases the frequency of the compressor and the rotating speed of the indoor unit wind wheel according to the detected dust content.
Further, the air conditioner further includes a main control unit (not shown), a compressor control unit (not shown), and an internal turbine control unit (not shown), wherein 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 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 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, wherein in other embodiments, if the air conditioner only adjusts the frequency of the compressor or only adjusts the rotating speed of the inner machine wind wheel, only the corresponding first relation curve or second relation curve needs to be written in the main control unit; 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 (16)
1. A dust detection device is characterized by comprising a base, wherein the base is made of non-light-transmitting materials and comprises two oppositely-arranged installation parts, and a clamping space is formed between the two installation parts;
each mounting part is provided with a mounting groove at one side departing from the clamping space, and is provided with a light via hole at one side facing the clamping space, and the light via hole is communicated with the mounting groove;
the detection piece comprises a light emitter and a light receiver, wherein the light emitter comprises an infrared light emitter or an ultraviolet light emitter, and the light receiver comprises an infrared light receiver or an ultraviolet light receiver; the light emitter and the light receiver are respectively fixed in the mounting groove, and light emitted by the light emitter is emitted out through a corresponding light through hole and is emitted to the light receiver through another light through hole;
one of the two installation parts is connected with at least one buckle with an opening facing the clamping space, and the buckle is used for buckling the dust detection device on a face frame connected with the filter screen in the air conditioner.
2. The dust detecting device of claim 1, wherein the clip comprises a bottom plate, and a first clamping jaw and a second clamping jaw connected with the bottom plate, the first clamping jaw and the second clamping jaw are oppositely arranged at two ends of the bottom plate and extend towards one side of the clamping space, one end of the bottom plate close to the first clamping jaw is connected with the outer wall of the mounting part, and a gap is arranged between one end of the bottom plate close to the second clamping jaw and the outer wall of the mounting part.
3. The dust detecting apparatus according to claim 2, wherein the two of the catches are symmetrically provided at opposite sides of the mounting portion.
4. The dust detecting device according to claim 1, wherein the other of the two mounting portions is further provided with two connecting buttons, and the two connecting buttons are symmetrically provided on opposite sides of the mounting portion.
5. The dust detecting device according to any one of claims 1 to 4, further comprising a bottom cover, wherein the bottom cover comprises two cover plates arranged oppositely, each cover plate is detachably connected with one of the mounting portions and covers the mounting groove to form a containing cavity.
6. The dust detecting apparatus according to claim 5, wherein a protrusion is disposed on a side of each of the mounting portions facing away from the holding space, each of the cover plates has a connecting hole corresponding to the protrusion, and the protrusion is inserted into the connecting hole.
7. The dust detecting device of claim 1, wherein each of said light passing holes has a transparent sealing member covering an end thereof adjacent to said holding space.
8. The dust detecting apparatus of claim 7, wherein a light shielding tube is convexly extended from the edge of the opening of the light passing hole to the inside of the clamping space on the side wall of each mounting portion, and the transparent sealing member is embedded in the light shielding tube.
9. The dust detecting apparatus of claim 5, wherein the detecting member further comprises a circuit board, the light emitter and the light receiver are electrically connected to the circuit board, and the bottom cover is formed with a receiving groove in which the circuit board is received.
10. The dust detecting device of claim 9, wherein the base further comprises a connecting portion connecting the two mounting portions, wherein two positioning posts are disposed on a side of the connecting portion away from the mounting portions, projections of the two positioning posts on a plane perpendicular to a direction of one of the mounting portions toward the other mounting portion are staggered, and the two positioning posts abut against the circuit board.
11. The dust detecting apparatus of claim 10, wherein the detecting member further comprises a socket connected to the circuit board, a side wall of the connecting portion is formed with a notch, and a portion of the socket protrudes from the notch.
12. The utility model provides an air conditioner, including the filter screen and with the face frame that the filter screen is connected, its characterized in that: the air conditioner further comprises a dust detection device as claimed in any one of claims 1 to 11, wherein the face frame and the filter screen are partially located in the clamping space, the dust detection device is clamped and fixed on the face frame, and the dust detection device detects dust on the filter screen.
13. A control method of an air conditioner including a filter screen, a compressor, an indoor unit wind wheel, and the dust detecting device according to any one of claims 1 to 11, 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 yes, reminding a user to clean the filter screen or starting automatic cleaning.
14. The control method of an air conditioner according to claim 13, wherein the step of starting automatic washing 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.
15. The method for controlling an air conditioner according to claim 13, 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.
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:
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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| CN107222051B (en) * | 2017-06-16 | 2019-01-22 | 芜湖捷和科技有限公司 | A kind of multi-functional rear end cap of motor |
| CN110736196B (en) * | 2019-09-30 | 2021-10-29 | 青岛海尔空调器有限总公司 | Control method and device for self-cleaning of air conditioner and air conditioner |
| CN112413816B (en) * | 2020-11-27 | 2022-08-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Air conditioner detection method and detection device and air conditioning equipment |
| CN112611069A (en) * | 2020-12-18 | 2021-04-06 | 青岛海尔空调电子有限公司 | Air conditioner sterilization control method, air conditioner and computer readable storage medium |
| CN116175632B (en) * | 2023-04-23 | 2023-07-11 | 微网优联科技(成都)有限公司 | Grabbing device for PCBA board power-on detection |
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