CN105806809A - Sensor for detecting attachment magnitude and domestic electrical instrument - Google Patents
Sensor for detecting attachment magnitude and domestic electrical instrument Download PDFInfo
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- CN105806809A CN105806809A CN201610196413.0A CN201610196413A CN105806809A CN 105806809 A CN105806809 A CN 105806809A CN 201610196413 A CN201610196413 A CN 201610196413A CN 105806809 A CN105806809 A CN 105806809A
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- 238000012545 processing Methods 0.000 claims abstract description 26
- 230000035807 sensation Effects 0.000 claims abstract description 8
- 230000013011 mating Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000003287 optical effect Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract 3
- 239000000779 smoke Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000006233 lamp black Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/55—Specular reflectivity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/55—Specular reflectivity
- G01N2021/557—Detecting specular reflective parts on sample
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a sensor for detecting attachment magnitude and a domestic electrical instrument.The sensor comprises a shell, an installation base and an optical processing component, wherein the optical processing component comprises a lens, a circuit board, a light emission part and a light receiving part, and the light emission part and the light receiving part are both electrically connected with the circuit board; a light transmission surface is arranged on one side of the lens, and a light inlet surface and a light outlet surface are arranged on the other side of the lens; the light emission part faces the light inlet surface, and the light receiving part faces the light outlet surface; the circuit board is used for driving the light emission part to emit light, receiving light sensation quantity signals of the light receiving part, and judging the attaching condition of attachments on the light transmission surface according to the light sensation quantity signals; the optical processing component and the installation base are both located in the shell, the light emission part, the light receiving part and the lens are fixed to the installation base, a window is formed in the shell, and the light transmission surface of the lens is exposed from the window.The sensor is convenient to assemble and high in detection reliability.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a sensor for detecting an attachment quantity value and a household appliance.
Background
At present, the surfaces of the electric appliances or the parts of the electric appliances exposed to the oil smoke environment, which are in contact with the oil smoke, are accumulated and attached with a layer of pollutants, such as liquid viscous oil stains, over time. These contaminants either affect the performance of the appliance or appliance components or deteriorate the hygienic environment of the appliance or appliance components. Therefore, there is a need for a sensor for sampling and detecting these contaminants in order to remind the user to clean or to have the appliance itself automatically trigger the cleaning process accordingly.
Disclosure of Invention
The invention mainly aims to provide a sensor for detecting the amount of an attached matter, and aims to provide a sensor for detecting the amount of the attached matter, which is convenient to assemble and high in detection reliability.
In order to achieve the above object, the sensor for detecting the amount of the attached matter provided by the invention comprises a housing, a mounting seat and a light processing component; wherein,
the light processing assembly comprises a lens, a circuit board, a light emitting piece and a light receiving piece which are electrically connected with the circuit board;
one side of the lens is provided with a light transmitting surface, and the other side of the lens is provided with an incident surface and an emergent surface; the light emitting piece is arranged towards the incident surface, and the light receiving piece is arranged towards the emergent surface;
the circuit board is used for driving the light emitting element to emit light, receiving the light sensation quantity signal of the light receiving element and judging the attachment condition of the attachment on the light transmitting surface according to the light sensation quantity signal;
the light processing assembly and the mounting seat are located in the shell, the light emitting piece, the light receiving piece and the lens are fixed on the mounting seat, a window is formed in the shell, and the light transmitting surface of the lens is exposed out of the window.
Preferably, one end of the mounting seat is provided with a concave portion for accommodating the lens, and the other end of the mounting seat is fixed with the shell.
Preferably, the mounting seat includes a first seat body and a second seat body, the first seat body has a first mating surface facing the second seat body, and the second seat body has a second mating surface facing the first seat body and attached to the first mating surface;
the concave part is formed between the first seat body and the second seat body; the first seat body and the second seat body are both provided with limiting holes, and the circumferential surface of the lens is provided with stopping protrusions matched with the limiting holes.
Preferably, the light emitting element and the light receiving element are both arranged between the first seat body and the second seat body.
Preferably, a screw hole column extending along the depth direction of the shell is arranged on the peripheral wall surface of the cavity of the shell, a screw hole is formed in one end, deviating from the window, of the screw hole column, a lug is arranged on the peripheral surface of the mounting seat, and a fixing hole matched with the screw hole is formed in the lug.
Preferably, the circuit board is a rectangular board, a first notch and a second notch are arranged on the circuit board at intervals, the first notch and the second notch are both located at the corner of the circuit board, the first notch is used for avoiding a screw matched with the screw hole, and the second notch is used for being matched with the screw hole to fix the circuit board.
Preferably, the housing includes a housing body with openings at two ends and a housing cover located at one end of the housing body, one end of the housing body forms an opening for the light processing assembly to be installed in, the other end of the housing body forms the window, and the housing body and the housing cover are detachably fixed at the opening.
Preferably, the edge of the shell body close to one end of the shell cover is provided with a plurality of buckles, the shell cover comprises a cover plate and an annular enclosing plate convexly arranged on the inner side surface of the cover plate, the end part of the annular enclosing plate is embedded in the shell body, the annular enclosing plate is arranged between the plurality of buckles, and the edge part of the cover plate protruding out of the annular enclosing plate is provided with a clamping hole matched with the buckle.
Preferably, the sensor for detecting the amount of the attachment further comprises a fixing frame, the fixing frame comprises a fixing plate and a frame connected with the fixing plate, the fixing plate is provided with a mounting hole, and the frame surrounds the window and is fixedly connected with the shell.
The invention also provides a household appliance, which comprises a sensor for detecting the attachment quantity value, wherein the sensor for detecting the attachment quantity value comprises a shell, a mounting seat and a light processing component; wherein,
the light processing assembly comprises a lens, a circuit board, a light emitting piece and a light receiving piece which are electrically connected with the circuit board;
one end face of the lens is a light-transmitting face, and the other end face of the lens is provided with an incident face and an emergent face; the light emitting piece is arranged towards the incident surface, and the light receiving piece is arranged towards the emergent surface;
the circuit board is used for driving the light emitting element to emit light, receiving the light sensation quantity signal of the light receiving element and judging the attachment condition of the attachment on the light transmitting surface according to the light sensation quantity signal;
the light processing assembly and the mounting seat are located in the shell, the light emitting piece, the light receiving piece and the lens are fixed on the mounting seat, a window is formed in the shell, and the light transmitting surface of the lens is exposed out of the window.
The sensor for detecting the amount of the attachments is characterized in that the light emitting element, the light receiving element and the lens are fixed on the mounting seat and then sleeved with the shell, so that the light emitting element, the light receiving element and the lens have large moving space during assembly, are convenient to operate and are not easy to interfere with other parts, and simultaneously, the light elements are respectively aligned with the mounting seat, so that the mutual position precision among the light elements is ensured, and the detection precision of the sensor is further ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a sensor for detecting an amount of an attachment according to the present invention;
FIG. 2 is a schematic top view of the sensor for detecting the amount of the attached matter in FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line III-III of FIG. 2;
FIG. 4 is a schematic cross-sectional view taken along line IV-IV of FIG. 2;
FIG. 5 is a schematic view of a mounting seat of the sensor for detecting the amount of the attached matter in FIG. 1;
FIG. 6 is a partially exploded view of the sensor of FIG. 1 for detecting the amount of the attachment;
FIG. 7 is a schematic view of the housing cover of FIG. 6;
FIG. 8 is a schematic structural view of the housing body of FIG. 6;
FIG. 9 is a schematic diagram of the circuit board of FIG. 6;
fig. 10 is a schematic view of a scene in which the sensor for detecting the amount of the attachments in fig. 1 is applied to the range hood.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Shell body | 21 | First seat body | 33 | Light emitting member |
| 11 | Shell body | 211 | Limiting hole | 34 | Light receiving part |
| 111 | Window opening | 212 | Convex lug | 4 | Fixing frame |
| 112 | Open mouth | 22 | Second seat body | 41 | Fixing plate |
| 113 | Screw hole column | 31 | Lens and lens assembly | 42 | Rims |
| 114 | Buckle | 311 | Light-transmitting surface | 100 | Fume exhaust fan |
| 12 | Shell cover | 312 | Incident surface | 101 | Attachment detection device |
| 121 | Cover plate | 313 | Light exit surface | 102 | Display module |
| 122 | Annular coaming | 314 | Stop boss | 103 | Sound prompting module |
| 123 | Fastening hole | 32 | Circuit board | 200 | Cooking bench |
| 2 | Mounting seat | 321 | First gap | ||
| 20 | Concave part | 322 | Second gap |
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 to 6, in an embodiment of the sensor for detecting an amount of an attachment, the sensor includes a housing 1, a mounting base 2, and a light processing assembly (not shown). Wherein,
the light processing assembly includes a lens 31, a circuit board 32, a light emitting element 33 and a light receiving element 34 electrically connected to each of the circuit board 32.
One side of the lens 31 is provided with a light transmission surface 311, and the other side of the lens 31 is provided with an incident surface 312 and an exit surface 313. The light emitting element 33 is disposed toward the incident surface 312 and the light receiving element 34 is disposed toward the exit surface 313.
The circuit board 32 is used for driving the light emitting element 33 to emit light, receiving the light sensing amount signal of the light receiving element 33, and judging the attachment condition of the attachment on the light transmission surface 311 according to the light sensing amount signal;
the light processing assembly and the mounting base 2 are both located in the housing 1, the light emitting element 33, the light receiving element 34 and the lens 31 are fixed on the mounting base 2, the housing 1 is provided with a window 111, and a light-transmitting surface 311 of the lens 31 is exposed out of the window 111.
In this embodiment, the lens 31 is made of a transparent material, so that light can propagate inside the lens 31. Specifically, the incident surface 312 is connected to the periphery of the exit surface 313, and the exit surface 313 and the incident surface 312 enclose one side of the light transmission surface 311 to form a trapezoid or polyhedron boss. The outer side of the light-transmitting surface 311 is a sampling surface of the attached matter, and the change of the amount of the attached matter at the light-transmitting surface 311 is positively correlated with the change of the amount of the light emitted at the light-emitting surface 313.
The light emitting element 33 is generally used to emit infrared light for detection for a specific wavelength, and the light receiving element 34 is used to convert a received light signal into an electrical signal.
The circuit board 32 is provided with a driving module for driving the light emitting element 33 to emit light, a signal amplifying module for processing the electric signal of the light receiving element 34, a storage module storing a reference value of the amount of light or other application programs, and a processing module for calculating or evaluating the amount of the attached matter. The reference value of the light quantity can be obtained when the outer side surface of the light-transmitting surface 311 is in a clean state or completely covered by the attached matter.
After the optical processing assembly is engaged with the mounting base 2, the optical processing assembly can be installed into the housing 1 through a window 111 or other opening structure formed on the housing 1. The mounting base 2 is at least used for fixing the light emitting element 33, the light receiving element 34 and the lens 31, and corresponding fixing structures are arranged on the mounting base, and the housing 1 is mainly used for preventing ambient light from entering the lens 31 or directly entering the light receiving element 34, namely, noise is generated to influence the detection precision. In addition, the housing may shield the components therein.
When the light receiving part works, the light receiving part 34 receives light reflected by attachments, converts light signals of the current reflected light into electric signals, amplifies the electric signals of the current reflected light through the signal amplification module on the circuit board 32, the processing module calls the light quantity reference value in the storage module and analyzes the amplified electric signals of the current reflected light according to the light quantity reference value, and analysis results are sent to an upper computer such as a range hood and the like through the communication module.
The sensor for detecting the amount of the attachments is characterized in that the light emitting element 33, the light receiving element 34 and the lens 31 are fixed on the mounting base 2, and then the housing can be sleeved on the mounting base, so that the moving space of the light emitting element 33, the light receiving element 34 and the lens 31 is large during assembly, the operation is convenient, the interference with other parts is not easy to occur, and simultaneously, the alignment of each optical element with the mounting base 2 is facilitated, so that the mutual position precision of each optical element is ensured, and the detection precision of the sensor is further ensured.
Further, one end of the mount 2 is provided with a recess 20 accommodating the lens 31, and the other end of the mount 22 is fixed to the housing 1.
In this embodiment, the fixing of the mounting base 2 to the housing 1 can prevent the mounting base 2 from shaking relative to the housing 1, and the concave portion 20 provided on the mounting base 2 can limit the position of the lens 31 to prevent the lens 31 from shaking relative to the mounting base 2; meanwhile, the inner wall surface of the recess 20 may shield the lens 31 from light except for the light transmission surface 311.
Further, the mounting base 2 includes a first base 21 and a second base 22, which are opposite and detachably fixed, the first base 21 has a first mating surface (not shown) facing the second base 22, and the second base 22 has a second mating surface (not shown) facing the first base 21 and attached to the first mating surface.
The recess 20 is formed between the first seat 21 and the second seat 22. The first base 21 and the second base 22 are both provided with a limiting hole 211, and the circumferential surface of the lens 31 is provided with a stopping protrusion 314 adapted to the limiting hole 211.
In this embodiment, the mount 2 is configured to clamp the lens 31 through the first seat 21 and the second seat 22, specifically, the limiting hole 211 can be conveniently sleeved on the stopping protrusion 314 on the lens 31, and the lens 31 is prevented from falling off from the mount 2 by using the matching relationship.
Further, the light emitting element 33 and the light receiving element 34 are disposed between the first seat 21 and the second seat 22.
In the embodiment, the light processing module including the light emitting element 33 and the light receiving element 34 can be fixed by fixing the first seat 21 and the second seat 22, and the fixing structure is simpler than that for fixing each component in the light processing module with the fixing seat respectively.
Furthermore, a screw hole column 113 extending along the depth direction of the housing 1 is arranged on the peripheral wall surface of the cavity of the housing 1, a screw hole (not marked) is arranged at one end of the screw hole column 113 departing from the window 111, a lug 212 is arranged on the peripheral surface of the mounting base 2, and a fixing hole (not marked) matched with the screw hole is arranged on the lug 212.
In this embodiment, during the assembly, after mount pad 2 assembles to casing 1, and the screw on fixed orifices and the screw post 113 aligns, the screw passes the fixed orifices, and the screw in screw accomplishes the fixed between mount pad 2 and the casing 1 promptly, the simple operation, and fixed strength is high.
Further, referring to fig. 6 and 9, in an embodiment, the circuit board 32 is a rectangular board, a first notch 321 and a second notch 322 are formed on the circuit board 32 at intervals, and the first notch 321 and the second notch 322 are both located at a corner of the circuit board 32; the corner of the circuit board 32 is provided with a first notch 321 and a second notch 322, the first notch 321 is used for avoiding a screw matched with the screw hole, and the second notch 322 is used for matching with the screw hole to fix the circuit board 32.
In this embodiment, specifically, the circuit board 32 is a rectangular board, two first notches 321 and one second notch 322 are disposed at the corners of the rectangular board, and the fixing structure, such as the second notch 322, and the avoiding structure, such as the first notch 321, are disposed at the corners of the circuit board 32, so that a continuous area can be formed in the middle of the circuit board 32, which is beneficial to the internal wiring of the circuit board 32 and facilitates the layout design of the circuit board 32.
Further, referring to fig. 7 and 8, in an embodiment, the housing 1 includes a housing 11 with two open ends and a housing cover 12 located at one end of the housing 11, an opening 112 for the light processing assembly to be installed is formed at one end of the housing 11, a window 111 is formed at the other end of the housing 11, and the housing 11 and the housing cover 12 are detachably fixed at the opening 112.
In this embodiment, during assembly, the light processing assembly and the mounting base 2 are first assembled, then the assembly is assembled into the housing 11 from the opening 112, and finally the housing cover 12 is locked to the housing 11 corresponding to the opening 112 of the housing 11. Preferably, the size of the window 111 may be slightly smaller than the size of the light-transmitting surface 311 of the lens 31 to abut against the lens 31 with the inner wall surface of the edge of the window 111 and to limit the lens 31.
Further, the edge of the shell body 11 near one end of the shell cover 12 is provided with a plurality of buckles 114, the shell cover 12 includes a cover plate 121 and an annular enclosing plate 122 protruding on the inner side surface of the cover plate 121, the end portion of the annular enclosing plate 122 is embedded in the shell body 11, the annular enclosing plate 122 is located between the plurality of buckles 114, and the edge portion of the protruding annular enclosing plate 122 of the cover plate 121 is provided with a clamping hole 123 adapted to the buckle 114.
In this embodiment, the locking between the housing cover 12 and the housing body 11 mainly has the functions of shielding light and locking, and is fixed by the snap 114 and the snap hole 123, which is beneficial to simplifying the assembly.
Further, referring to fig. 1 to 4 and fig. 6, in an embodiment, in order to conveniently fix the sensor for detecting the amount of the attached matter to an upper computer such as a range hood, the sensor for detecting the amount of the attached matter further includes a fixing frame 4, the fixing frame 4 includes a fixing plate 41 and a frame 42 connected to the fixing plate 41, a mounting hole (not labeled) is formed in the fixing plate 41, and the frame 42 surrounds the window 111 and is fixedly connected to the housing 1.
In this embodiment, the screw passes the mounting hole, and the screw that corresponds the setting on the screw in host computer if lampblack absorber can be fixed this sensor on the host computer. Preferably, the fixing frame 4 is perpendicular to the frame 42, the number of the mounting holes is two, and the frame 42 is locked to the edge of the window 111 by screws.
The present invention further provides a household appliance, which includes a sensor for detecting an attachment quantity value, and the specific structure of the sensor for detecting an attachment quantity value refers to the foregoing embodiments.
In the present embodiment, the household appliances include, but are not limited to, range hoods, disinfection cabinets, air purifiers, and the like. Referring to fig. 10, in an example, the household appliance is a range hood 100, a cooking workbench 200 is located below the range hood 100, the range hood 100 includes a sensor 101 for detecting an attachment amount, a display module 102 and a voice prompt module 103, wherein,
the sensor 101 for detecting the amount of the attachments is installed inside the range hood 100, and at least the light-transmitting surface 311 of the lens 31 is exposed to the inner cavity of the range hood or the smoke exhaust duct. Preferably, the light-transmitting surface 311 is perpendicular to the horizontal plane.
The display module 102 displays the amount detected by the sensor 101 for detecting the amount of the attached matter, for example, the amount of the attached matter remaining on the lens 31 after the range hood is cleaned.
The voice prompt module 103 is used for reminding a user to start a cleaning program of the range hood 100 when a detection value of the sensor 101 for detecting an attachment quantity value reaches a certain threshold value.
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 (10)
1. A sensor for detecting the amount of an attachment, comprising a housing, a mounting base, and a light processing assembly; wherein,
the light processing assembly comprises a lens, a circuit board, a light emitting piece and a light receiving piece which are electrically connected with the circuit board;
one side of the lens is provided with a light transmitting surface, and the other side of the lens is provided with an incident surface and an emergent surface; the light emitting piece is arranged towards the incident surface, and the light receiving piece is arranged towards the emergent surface;
the circuit board is used for driving the light emitting element to emit light, receiving the light sensation quantity signal of the light receiving element and judging the attachment condition of the attachment on the light transmitting surface according to the light sensation quantity signal;
the light processing assembly and the mounting seat are located in the shell, the light emitting piece, the light receiving piece and the lens are fixed on the mounting seat, a window is formed in the shell, and the light transmitting surface of the lens is exposed out of the window.
2. The sensor for detecting an amount of an attached matter according to claim 1, wherein one end of the mount base is provided with a recess for receiving the lens, and the other end is fixed to the housing.
3. The sensor according to claim 2, wherein the mounting seat comprises a first seat body and a second seat body, the first seat body has a first mating surface facing the second seat body, the second seat body has a second mating surface facing the first seat body and being attached to the first mating surface;
the concave part is formed between the first seat body and the second seat body, the first seat body and the second seat body are both provided with limiting holes, and the circumferential surface of the lens is provided with stopping protrusions matched with the limiting holes.
4. The sensor according to claim 3, wherein the light emitting element and the light receiving element are disposed between the first housing and the second housing.
5. The sensor for detecting the amount of the attachments according to claim 2, wherein a screw hole column extending in the depth direction of the housing is arranged on the peripheral wall of the housing cavity, a screw hole is arranged at one end of the screw hole column away from the window, a lug is arranged on the peripheral surface of the mounting seat, and a fixing hole matched with the screw hole is arranged on the lug.
6. The sensor for detecting the amount of the attached matter according to claim 5, wherein the circuit board is a rectangular board, and a first notch and a second notch are formed on the circuit board at intervals, and the first notch and the second notch are both located at the corners of the circuit board;
the first notch is used for avoiding a screw matched with the screw hole, and the second notch is used for being matched with the screw hole to fix the circuit board.
7. The sensor according to claim 1, wherein the housing comprises a housing body with two open ends and a housing cover at one end of the housing body, one end of the housing body forms an opening for the light processing assembly to be inserted into, and the other end of the housing body forms the window, and the housing body and the housing cover are detachably fixed at the opening.
8. The sensor according to claim 7, wherein the housing has a plurality of clips at an edge thereof near an end of the housing cover, the housing cover comprises a cover plate and an annular plate protruding from an inner side of the cover plate, an end of the annular plate is embedded in the housing, the annular plate is located between the plurality of clips, and a clip hole is formed at an edge of the cover plate protruding from the annular plate and adapted to the clips.
9. The sensor for detecting the amount of attached matter according to claim 1, further comprising a fixing frame, wherein the fixing frame comprises a fixing plate and a frame connected to the fixing plate, the fixing plate is provided with a mounting hole, and the frame surrounds the window and is fixedly connected to the housing.
10. A household appliance, characterized in that it comprises a sensor for detecting the amount of deposits according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610196413.0A CN105806809B (en) | 2016-03-30 | 2016-03-30 | For detecting the sensor and household electrical appliance of attachment magnitude |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610196413.0A CN105806809B (en) | 2016-03-30 | 2016-03-30 | For detecting the sensor and household electrical appliance of attachment magnitude |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105806809A true CN105806809A (en) | 2016-07-27 |
| CN105806809B CN105806809B (en) | 2019-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610196413.0A Active CN105806809B (en) | 2016-03-30 | 2016-03-30 | For detecting the sensor and household electrical appliance of attachment magnitude |
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| Country | Link |
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| CN (1) | CN105806809B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113002667A (en) * | 2019-12-18 | 2021-06-22 | 罗伯特·博世有限公司 | Adapter, radar unit and vehicle |
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| CN203666235U (en) * | 2013-10-25 | 2014-06-25 | 东莞市杰乐盛世运动用品有限公司 | Light emitting device |
| CN105180090A (en) * | 2015-09-25 | 2015-12-23 | 中山市翰锋照明有限公司 | LED lens assembly |
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| CN202888440U (en) * | 2012-05-15 | 2013-04-17 | 东莞铭普光磁股份有限公司 | RJ45 connector |
| CN103852836A (en) * | 2012-11-29 | 2014-06-11 | 鸿富锦精密工业（深圳）有限公司 | Photoelectric conversion device |
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| CN105180090A (en) * | 2015-09-25 | 2015-12-23 | 中山市翰锋照明有限公司 | LED lens assembly |
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| CN113002667A (en) * | 2019-12-18 | 2021-06-22 | 罗伯特·博世有限公司 | Adapter, radar unit and vehicle |
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| Publication number | Publication date |
|---|---|
| CN105806809B (en) | 2019-06-04 |
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