CN205607810U - A device and domestic appliance for detecting attachment magnitude - Google Patents
A device and domestic appliance for detecting attachment magnitude Download PDFInfo
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- CN205607810U CN205607810U CN201620261647.4U CN201620261647U CN205607810U CN 205607810 U CN205607810 U CN 205607810U CN 201620261647 U CN201620261647 U CN 201620261647U CN 205607810 U CN205607810 U CN 205607810U
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- transparent surface
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- exit facet
- circuit board
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Abstract
The utility model discloses a device and domestic appliance for detecting attachment magnitude, wherein for the device that detects the attachment magnitude includes lens, emission of light piece, light -receiving spare and circuit board, and wherein, lens one side is equipped with the transparent surface, the opposite side is equipped with incident surface and emitting face, is the acute angle setting between incident surface and the transparent surface, and the opening direction is towards the emitting face, be acute angle setting and opening direction between emitting face and the transparent surface towards the incident surface, the emission of light piece all is connected with circuit board electricity towards emitting face setting, emission of light piece and light -receiving spare towards incident surface setting, light -receiving spare, it is luminous that the circuit board is used for driving the emission of light piece to an adnexed condition for receiving the light sense of light -receiving spare volume signal, and judge transparent surface department attachment according to light sense volume signal. the utility model is used for detect the device of attachment magnitude can accurate detection attached to electrical apparatus pollutant magnitude on the surface.
Description
Technical field
This utility model relates to household electrical appliance technical field, is used for detecting attachment value particularly to one
Device and household electrical appliance.
Background technology
At present, the electrical equipment being exposed in oil smoke surroundings or the parts of electrical equipment, the surface meeting that it contacts with oil smoke
Accumulation attachment one layer of pollutant, the such as greasy dirt of liquid stickiness over time.These pollutant or impact
Electrical equipment or the performance of electric component, or deteriorate electrical equipment or the hygienic conditions of electric component.Therefore, it is necessary to
A kind of device that these pollutant carry out sample detecting is proposed, in order to remind user to clean or make electrical equipment originally
Body triggers cleaning procedure the most automatically
Utility model content
Main purpose of the present utility model is to provide a kind of device for detecting attachment value, it is intended to carry
For a kind of device that can accurately detect the pollutant value being attached on collector surface.
For achieving the above object, the device for detecting attachment value that the utility model proposes, including
Lens, light emission part, light receiving piece and circuit board, wherein,
Described lens side is provided with transparent surface, opposite side is provided with the plane of incidence and exit facet, the described plane of incidence with
Setting at an acute angle between described transparent surface, and opening direction is towards described exit facet；Described exit facet and institute
State between transparent surface setting at an acute angle and opening direction towards the described plane of incidence；
Described light emission part is arranged towards the described plane of incidence, and described light receiving piece is arranged towards described exit facet,
Described light emission part and light receiving piece all electrically connect with described circuit board；
Described circuit board is used for driving described light emission part luminous, and for receiving the light of described light receiving piece
Sensibility reciprocal signal, and judge the situation of the attachment of attachment at described transparent surface according to described smooth sensibility reciprocal signal.
Preferably, between the described plane of incidence and described transparent surface, and described exit facet and described transparent surface
Between angle be equal 20 to 60 degree.
Preferably, between the described plane of incidence and described transparent surface, corner dimension is equal to described exit facet with described
Corner dimension between transparent surface.
Preferably, described light emission part one end connects circuit board, and the other end abuts with the described plane of incidence；Institute
Stating light receiving piece one end and connect circuit board, the other end abuts with described exit facet.
Preferably, during the material of described lens is Merlon, polymethyl methacrylate and polypropylene
Any.
Preferably, described transparent surface is provided with diffusing structure.
Preferably, described diffusing structure is for being opened in the multiple shrinkage pool of described transparent surface.
Preferably, this device being used for detecting attachment value also includes shell, described lens, light emission
Part, light receiving piece and circuit board are respectively positioned in described shell, and described transparent surface exposes to described shell.
Preferably, this device being used for detecting attachment value also includes being positioned at the mounting seat of described shell,
Described light emission part, light receiving piece and lens are fixed in described mounting seat.
This utility model also proposes a kind of household electrical appliance, including the device for detecting attachment value, and should
For detecting the device of attachment value, including lens, light emission part, light receiving piece and circuit board,
Wherein,
Described lens side is provided with transparent surface, opposite side is provided with the plane of incidence and exit facet, the described plane of incidence with
Setting at an acute angle between described transparent surface, and opening direction is towards described exit facet；Described exit facet and institute
State between transparent surface setting at an acute angle and opening direction towards the described plane of incidence；
Described light emission part is arranged towards the described plane of incidence, and described light receiving piece is arranged towards described exit facet,
Described light emission part and light receiving piece all electrically connect with described circuit board；
Described circuit board is used for driving described light emission part luminous, and for receiving the light of described light receiving piece
Sensibility reciprocal signal, and judge the situation of the attachment of attachment at described transparent surface according to described smooth sensibility reciprocal signal.
This utility model is for detecting the device of attachment value by by the most saturating to the plane of incidence and exit facet
Bright finish is obliquely installed, and the distance between the plane of incidence and exit facet is tapered setting from transparent surface, such light
Line enters lens through the plane of incidence, and can more be gathered at exit facet after transparent surface reflects, therefore,
Light quantity at exit facet is relatively big, thus the device for detecting attachment value of the present utility model can be more
For accurately detecting the consecutive variations of attachment value outside transparent surface.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that,
Accompanying drawing in describing below is only embodiments more of the present utility model, for ordinary skill people
From the point of view of Yuan, on the premise of not paying creative work, it is also possible to obtain according to the structure shown in these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is that this utility model is for detecting the structural representation of device one embodiment of attachment value；
Fig. 2 is for detecting the schematic top plan view of the device of attachment value in Fig. 1；
Fig. 3 is the profile in Fig. 2 along III-III line；
Fig. 4 is the profile in Fig. 3 along IV-IV line；
Fig. 5 is the structural representation of the lens in Fig. 3 and Fig. 4；
Fig. 6 is the scene schematic diagram being applied to lampblack absorber in Fig. 1 for detecting the device of attachment value.
Drawing reference numeral illustrates:
| Label | Title | Label | Title | Label | Title |
| 1 | Lens | 2 | Light emission part | 100 | Lampblack absorber |
| 11 | Transparent surface | 3 | Light receiving piece | 101 | Attachment detection device |
| 111 | Shrinkage pool | 4 | Circuit board | 102 | Display module |
| 12 | The plane of incidence | 5 | Shell | 103 | Auditory tone cues module |
| 13 | Exit facet | 6 | Mounting seat | 200 | Culinary art workbench |
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings into
One step explanation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment
Scheme is clearly and completely described, it is clear that described embodiment is only of the present utility model one
Section Example rather than whole embodiments.Based on the embodiment in this utility model, this area is general
The every other embodiment that logical technical staff is obtained under not making creative work premise, broadly falls into
The scope of this utility model protection.
It is to be appreciated that directional instruction in this utility model embodiment (such as upper and lower, left and right,
It is forward and backward ...) it is only used for explanation phase under a certain particular pose (as shown in drawings) between each parts
To position relationship, motion conditions etc., if this particular pose changes, then directionality indicates also
Change the most therewith.
It addition, the description relating to " first ", " second " etc. in this utility model is only used for describing mesh
, and it is not intended that instruction or imply its relative importance or implicit indicate indicated technical characteristic
Quantity.Thus, define " first ", the feature of " second " can be expressed or implicitly include
At least one this feature.It addition, the technical scheme between each embodiment can be combined with each other, but must
Must be based on those of ordinary skill in the art are capable of, when mutual lance occurs in the combination of technical scheme
Shield will be understood that when maybe cannot realize that the combination of this technical scheme does not exists, and does not wants at this utility model
Within the protection domain asked.
The device for detecting attachment value that the utility model proposes, refer to Fig. 1 to Fig. 5, one
In embodiment, this device being used for detecting attachment value includes lens 1, light emission part 2, light receiving piece
3 and circuit board 4, wherein,
Lens 1 side is provided with transparent surface 11, opposite side is provided with the plane of incidence 12 and exit facet 13, the plane of incidence
Setting at an acute angle between 12 and transparent surface 11, and opening direction is towards exit facet 13.Exit facet 13 is with saturating
Between bright finish 11, setting at an acute angle and opening direction are towards the plane of incidence 12.
Light emission part 2 is arranged towards the plane of incidence 12, and light receiving piece 3 is arranged towards exit facet 13, and light is sent out
Penetrate part 2 and light receiving piece 3 all electrically connects with circuit board 4.
Circuit board 4 is used for driving light emission part 2 luminous, and for receiving the light sensibility reciprocal letter of light receiving piece 3
Number, and judge the situation of the attachment of attachment at transparent surface 11 according to light sensibility reciprocal signal.
In the present embodiment, lens 1 use transparent material to make, in order to light is at lens 1 internal communication.
Specifically, exit facet 13 and the plane of incidence 12 enclose the trapezoidal or polyhedron boss of formation in the side of transparent surface 11.
It is the sampling face of attachment outside transparent surface 11, and the change of attachment value at transparent surface 11 and outgoing
The change positive correlation of the amount of light at face 13.
Light emission part 2 is generally used for launching the infrared light for detection, and light receiving piece 3 will be for receiving
Optical signal be converted to the signal of telecommunication.
Circuit board 4 is provided with to drive the driving module of light emission part 2 luminescence, connects in order to process amplification light
The signal amplification module of the signal of telecommunication of addressee 3, storage have light quantity reference value or other application programs storage
Module, for calculating or assess the processing module of attachment value.Wherein, light quantity reference value can be
Bright finish 11 lateral surface obtains when being in clean conditions or be attached the light tight covering of thing completely.
During work, light receiving piece 3 receives the light come from attachment reflection, and by current reflective light
Optical signal is converted into the signal of telecommunication, then, by signal amplification module on circuit board 4 to current reflective light
The signal of telecommunication is amplified, processing module transfer the light quantity reference value in memory module and accordingly to amplify after
The signal of telecommunication of current reflective light be analyzed, analysis result is sent to host computer by communication module, as
Lampblack absorber etc..
This utility model is for detecting the device of attachment value by by homogeneous to the plane of incidence 12 and exit facet 13
Transparent surface 11 is obliquely installed, and the distance between the plane of incidence 12 and exit facet 13 from transparent surface 11 in tapered
Arranging, such light enters lens 1 through the plane of incidence 12, and can more be gathered in after transparent surface 11 reflects
At exit facet 13, therefore, the light quantity at exit facet 13 is relatively big, thus of the present utility model attached for detecting
The device thing value can more precisely detect the consecutive variations of attachment value outside transparent surface 11.
Further, between the plane of incidence 12 and transparent surface 11, and exit facet 13 and transparent surface 11 it
Between angle be equal 20 to 60 degree.
In the present embodiment, it is to be understood that the angle between the plane of incidence 12 and transparent surface 11 is the least,
The light quantity that then attachment reflexes at exit facet 13 outside transparent surface 11 is the least, and to ensure the standard of detection
Exactness, then need to ensure there are enough light quantity outgoing at exit facet 13.
Exit facet 13 arrange it is also contemplated that maximize and cover the path of light of reflection at transparent surface 11,
Therefore, by the angle between the plane of incidence 12 and transparent surface 11, and the folder at exit facet 13 and transparent surface 11
In the range of angle is arranged at 20 to 60 degree, and employing appropriate index material of arranging in pairs or groups, it is ensured that exit facet
Amount of light at 13.Preferentially, above-mentioned angular range can also is that 30-45 degree.
Further, between the plane of incidence 12 and transparent surface 11, corner dimension is equal to exit facet 13 and transparent surface
Corner dimension between 11.
In the present embodiment, the light that light emission part 2 sends arrives at transparent surface 11 through lens 1 refraction
At short propagation path or the size in average propagation path, with transparent surface 11, the light of reflection arrives exit facet 13
The size that road strength or average propagation path are broadcast in the short pass at place is essentially identical, so, can improve light emission
The utilization rate of part 2 light quantity, simultaneously it is also ensured that more uniform through the light quantity of exit facet 13 outgoing, thus
Can avoid detection that bigger deviation occurs.Preferably, the extended surface of the plane of incidence 12 and transparent surface 11
The intersection of extended surface, parallel with the intersection of the extended surface of transparent surface 11 with the extended surface of exit facet 13.
Further, light emission part 2 one end connects circuit board 4, and the other end abuts with the plane of incidence 12.Light
Receiving element 3 one end connects circuit board 4, and the other end abuts with exit facet 13.
In the present embodiment, when light emission part 2 keeps at a certain distance away with the plane of incidence 12, light emission part 2
The light gone out can occur bigger loss before entering lens 1, so, easily causes luminous energy waste.In like manner,
When light receiving piece 3 keeps at a certain distance away with exit facet 13, through the light of exit facet 13 injection, entering light-receiving
Also can launch loss before part 3.
Therefore, light emission part 2, light receiving piece 3 correspondence are abutted with the plane of incidence 12, exit facet 13, permissible
Farthest reduce, the loss produced when light is propagated during whole detection, it is ensured that the precision of detection.
Further, during the material of lens 1 is Merlon, polymethyl methacrylate and polypropylene
Any.
In the present embodiment, it is to be understood that the device for detecting attachment value of the present embodiment
May be applied in severe thermal environment, thus it is guaranteed that the heat stability of lens 1, for ensureing
The accuracy of detection of device is the most important.Merlon, polymethyl methacrylate and polyacrylic thermostability
Preferably, it is beneficial to keep the stability of lens 1 function.
Further, transparent surface 11 is provided with diffusing structure.
In the present embodiment, diffusing structure can be the multiple pits offered on transparent surface 11, or transparent surface
The multiple projections arranged on 11 or fin.By arranging diffusing structure on transparent surface 11, can strengthen
Diffuse-reflectance effect at bright finish 11, makes the amount of light at exit facet 13 increase, i.e. at the plane of incidence 12
In the case of entering light quantity on an equal basis, being slowly attached thing along with diffusing structure and fill and lead up, overflowing at transparent surface 11 is anti-
Penetrating and gradually weaken, the amount of light at exit facet 13, also with minimizing, utilizes this change i.e. can detect attached
The magnitude variations of thing.
This utility model lens 1 are by arranging diffusing structure on the transparent surface 11 of lens 1, so, and one
Aspect, oil smoke air-flow along transparent surface 11 flow time, can form eddy current at diffusing structure, thus time dirty
Dye thing is easier to be attached in diffusing structure；On the other hand, arranging of diffusing structure can be at lens 1
Inner side forms multiple curved surfaces, so can form preferable diffuse-reflectance condition.
Further, diffusing structure is for being opened in more than 11 shrinkage pool 111 of transparent surface.
In the present embodiment, the depth of pit and size, the attachment value that can detect as required is big
Little determine, need the value of attachment measured the biggest, the degree of depth of pit can increase accordingly some and/
Or correspondingly increase pit size in transparent surface 11.It is understood that the biggest pit of the degree of depth is clear
Wash difficulty the biggest, be unfavorable for recycling of lens 1.
By offering multiple pit on transparent surface 11, the diffuse-reflectance effect at transparent surface 11 can be strengthened,
Amount of light at exit facet 13 increases, i.e. in the case of entering light quantity on an equal basis at the plane of incidence 12, along with
Pit is slowly attached thing and fills up, and the diffuse-reflectance at transparent surface 11 gradually weakens, going out at exit facet 13
Light quantity, also with minimizing, utilizes this change i.e. can detect the magnitude variations of attachment.
Further, this device being used for detecting attachment value also includes shell 5, lens 1, light emission
Part 2, light receiving piece 3 and circuit board 4 are respectively positioned in shell 5, and transparent surface 11 exposes to shell 5.
In the present embodiment, by arranging shell 5, then the light of environment can be avoided to enter lens 1 or straight
Tapping into into light receiving piece 3, i.e. producing din-light affects accuracy of detection；Additionally, shell 5 can be to its interior portion
Part carries out the effect protected or fix, and prevents lens 1, light emission part 2, light receiving piece 3 and circuit board 4
Arbitrary damage or position relatively change, and so, can improve the reliability of device detection.
Further, this device being used for detecting attachment value also includes being positioned at the mounting seat 6 of shell 5,
Light emission part 2, light receiving piece 3 and lens 1 are fixed in mounting seat 6.
In the present embodiment, by light emission part 2, light receiving piece 3 and lens 1 are fixed on mounting seat 6
After on, and shell 5 can be put the most again, so, during assembling, light emission part 2, light receiving piece 3 and thoroughly
The activity space of mirror 1 is big, and operation is convenient and is difficult to interfere with miscellaneous part, is simultaneously also beneficial to each
Optical element is directed at mounting seat 6 respectively, thus ensures the relative-position error between each optical element, and then
Guarantee the accuracy of detection of sensor.Preferably, mounting seat 6 is arranged in split, and light emission part 2, light connect
Addressee 3 and lens 1 are all folded in mounting seat 6.
This utility model also proposes a kind of household electrical appliance, including the device for detecting attachment value, and should
For detecting concrete structure reference above-described embodiment of the device of attachment value, owing to these household electrical appliance are adopted
By whole technical schemes of above-mentioned all embodiments, the most at least there is the technical scheme of above-described embodiment
The all beneficial effects brought, this is no longer going to repeat them.
In the present embodiment, these household electrical appliance include but not limited to lampblack absorber, disinfection cabinet, air purifier,
Bread producing machine etc..Refer to Fig. 6, in one example, household electrical appliance are lampblack absorber 100, cook workbench 200
Being positioned at the lower section of lampblack absorber 100, lampblack absorber 100 includes the device 101 for detecting attachment value, shows
Show module 102 and auditory tone cues module 103, wherein,
The inside of lampblack absorber 100, at least lens 1 it is installed on for detecting the device 101 of attachment value
Transparent surface 11 be exposed in inner chamber or the smoke duct of lampblack absorber.Preferably, transparent surface 11 and level
Face is vertical.
Display module 102 display for detecting the value of device 101 detection of attachment value, such as, exists
After lampblack absorber cleans, display remains in the attachment value on lens 1.
Auditory tone cues module 103 reaches in order to detect value at the device 101 for detecting attachment value
During certain threshold value, user is reminded to open the cleaning procedure of lampblack absorber 100.
The foregoing is only preferred embodiment of the present utility model, not thereby limit of the present utility model specially
Profit scope, every under inventive concept of the present utility model, in utilizing this utility model description and accompanying drawing
The equivalent structure transformation of Rong Suozuo, or directly/be indirectly used in other relevant technical fields and be included in this
In the scope of patent protection of utility model.
Claims (10)
1. one kind for detecting the device of attachment value, it is characterised in that includes lens, light emission part, light receiving piece and circuit board, wherein,
Described lens side is provided with transparent surface, opposite side is provided with the plane of incidence and exit facet, setting at an acute angle between the described plane of incidence and described transparent surface, and opening direction is towards described exit facet；Between described exit facet and described transparent surface, setting at an acute angle and opening direction are towards the described plane of incidence；
Described light emission part is arranged towards the described plane of incidence, and described light receiving piece is arranged towards described exit facet, and described light emission part and light receiving piece all electrically connect with described circuit board；
Described circuit board is used for driving described light emission part luminous, and for receiving the light sensibility reciprocal signal of described light receiving piece, and judge the situation of the attachment of attachment at described transparent surface according to described smooth sensibility reciprocal signal.
2. the device being used for detecting attachment value as claimed in claim 1, it is characterised in that between the described plane of incidence and described transparent surface, and the angle between described exit facet and described transparent surface is 20 to 60 degree.
3. the device for detecting attachment value as claimed in claim 2, it is characterised in that between the described plane of incidence and described transparent surface, corner dimension is equal to the corner dimension between described exit facet and described transparent surface.
4. as claimed in claim 2 or claim 3 for detecting the device of attachment value, it is characterised in that described light emission part one end connects circuit board, and the other end abuts with the described plane of incidence；Described light receiving piece one end connects circuit board, and the other end abuts with described exit facet.
5. the device for detecting attachment value as claimed in claim 4, it is characterised in that the material of described lens is any in Merlon, polymethyl methacrylate and polypropylene.
6. the device for detecting attachment value as claimed in claim 1, it is characterised in that described transparent surface is provided with diffusing structure.
7. the device for detecting attachment value as claimed in claim 6, it is characterised in that described diffusing structure is the multiple shrinkage pools being opened in described transparent surface.
8. the device for detecting attachment value as claimed in claim 1, it is characterised in that also include that shell, described lens, light emission part, light receiving piece and circuit board are respectively positioned in described shell, and described transparent surface exposes to described shell.
9. the device for detecting attachment value as claimed in claim 8, it is characterised in that also including the mounting seat being positioned at described shell, described light emission part, light receiving piece and lens are fixed in described mounting seat.
10. household electrical appliance, it is characterised in that include the device for detecting attachment value as described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620261647.4U CN205607810U (en) | 2016-03-30 | 2016-03-30 | A device and domestic appliance for detecting attachment magnitude |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620261647.4U CN205607810U (en) | 2016-03-30 | 2016-03-30 | A device and domestic appliance for detecting attachment magnitude |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205607810U true CN205607810U (en) | 2016-09-28 |
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ID=56964107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620261647.4U Active CN205607810U (en) | 2016-03-30 | 2016-03-30 | A device and domestic appliance for detecting attachment magnitude |
Country Status (1)
| Country | Link |
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| CN (1) | CN205607810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136303A (en) * | 2021-11-29 | 2022-03-04 | 忆伯网络科技(上海)股份有限公司 | Aircraft attitude optical measurement device |
-
2016
- 2016-03-30 CN CN201620261647.4U patent/CN205607810U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136303A (en) * | 2021-11-29 | 2022-03-04 | 忆伯网络科技(上海)股份有限公司 | Aircraft attitude optical measurement device |
| CN114136303B (en) * | 2021-11-29 | 2024-04-26 | 忆伯网络科技(上海)股份有限公司 | Aircraft gesture optical measurement device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221214 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 528311 Yongan Road, Beijiao Town, Shunde District, Foshan, Guangdong 6 Patentee before: GUANGDONG MIDEA KITCHEN APPLIANCES MANUFACTURING Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |