CN108729127A - Washing machine - Google Patents
Washing machine Download PDFInfo
- Publication number
- CN108729127A CN108729127A CN201710271512.5A CN201710271512A CN108729127A CN 108729127 A CN108729127 A CN 108729127A CN 201710271512 A CN201710271512 A CN 201710271512A CN 108729127 A CN108729127 A CN 108729127A
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- CN
- China
- Prior art keywords
- color
- washing machine
- sensor
- downlight
- color sensor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/18—Condition of the laundry, e.g. nature or weight
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
-
- D06F2202/10—
-
- D06F2204/06—
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention discloses a kind of washing machines, color sensor (6) and downlight (5) are equipped at the laundry entrance of the washing machine, downlight is used to provide light source to be radiated on clothing (4) and form the reflected light (7) of the color with clothing, and color sensor is arranged on reflected light path to acquire reflected light.Due to being equipped with color sensor and downlight at the laundry entrance of the washing machine of the present invention.Clothing color is identified to prevent colour contamination from washing using the higher camera of cost one by one in compared with prior art, can not only reduce cost, and is the precision higher of its identification, more efficient.The design of color sensor cooperation downlight in the present invention etc. more meets the design of optical texture, can greatly increase the perceived distance of color sensor so that color sensor is more suitable for the practical service environment of washing machine.
Description
Technical field
The invention belongs to household appliance technical fields, and in particular, to a kind of washing machine.
Background technology
Currently, in the industry field of existing washing machine or dryer, for clothing color identification function application very
It is few, and general washing machine or dryer also only carry out color identification using camera shooting, and the cost of cost is very high.
And color identification function is particularly important for the washing of clothing etc., mainly if identification without clothing color,
And the washing that mixes, it is easy to which the clothing for making color distinction larger in washing process influences to use there is a phenomenon where colour contamination
The impression at family.Therefore, the judgement and early warning for carrying out color aberration to clothing before user washs, are avoided that laundry, drying mistake
Occurs the problem of colour contamination in journey.
Invention content
For above-mentioned insufficient or defect in the prior art, the present invention provides a kind of washing machine, and the laundry function is to clothing
The judgement and early warning of color aberration are carried out, and judging nicety rate is high, efficient.
To achieve the above object, the present invention provides a kind of washing machine, color is equipped at the laundry entrance of the washing machine
Sensor and downlight, the downlight are used to provide light source to be radiated on clothing and form the reflection of the color with the clothing
Light, the color sensor are arranged on reflected light path to acquire the reflected light.
Preferably, the downlight includes lamp source and lampshade, and the front inner wall face of the lampshade surrounds the lamp source and formation
For parabolic mirror so that light is projected via the parabolic mirror with directional light.
Preferably, the downlight further includes diffusion sheet, before the diffusion sheet direction of illumination is arranged at intervals on the lampshade
End.
Preferably, the washing machine includes sensor black box, and the color sensor is arranged in the sensor black box,
The front end of the sensor black box is equipped with loophole, and at least part of the reflected light enters the biography by the loophole
It is received in sensor black box and by the color sensor.
Preferably, the peripheral wall of the sensor black box posts reflective membrane.
Preferably, filter is equipped in the sensor black box, the filter is between the color sensor and the light transmission
Between hole.
Preferably, the washing machine includes white light plate, and the white light plate is movably disposed at the optical link of the downlight
On diameter or reflected light path.
Preferably, the lateral circular open offered as the laundry entrance of the washing machine, the color sensing
Device and the downlight are respectively positioned on the top in the center of circle of the circular open and are symmetrically arranged about the center of circle.
Preferably, the color sensor is RGB color sensor.
Preferably, the washing machine includes main control chip, the main control chip include the color identification module communicated successively,
Color storage module and aberration discrimination module, the color identification module are configured to the RGB for exporting color sensor letters
Number value is converted to HSV value or HSL values and confirms current color, and the color storage module is configured to receive and store the institute of confirmation
Current color is stated, the aberration discrimination module is configured to differentiate the aberration between a variety of current colors stored.
Preferably, the main control chip further includes alarm unit module, and the aberration discrimination module is additionally configured to deposited
Aberration between a variety of current colors of storage sends out the excessive signal of aberration when excessive, and the alarm unit module is configured to connect
It receives the excessive signal of the aberration and sends out alarm signal.
Through the above technical solutions, since the present invention can be by the accurate color of color sensor real-time perception clothing, bright
Degree etc. information simultaneously convert, compare, obtain accurate colour difference information, compared with prior art employed in camera simply by clap
It is more efficient according to identifying that the mode of aberration, recognition accuracy greatly improve, colour contamination can be effectively prevent to wash.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
The attached drawing for constituting the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is according to a kind of structural schematic diagram of the washing machine of preferred embodiment of the present invention, is rolling shown in figure
The structural schematic diagram of cylinder washing machine, color sensor and downlight etc. are equipped in the washing machine；
Fig. 2 is according to the structural schematic diagram of the washing machine of another preferred embodiment of the present invention, is wave shown in figure
The structural schematic diagram of wheel washer is equipped with color sensor and downlight etc. in the washing machine；
Fig. 3 is the structural schematic diagram of downlight, which includes the parabolic mirror and diffusion sheet of light source front and back end setting,
Light can be made to be projected with directional light by parabolic mirror, it, can be in certain distance after continuation of insurance after directional light is by diffusion sheet
Light-ray condensing is held, and is gradually being scattered at a distance；
Fig. 4 is the sensor black box with color sensor and the light conductive process schematic diagram between downlight.
Reference sign：
1 sensor black box, 2 door seal
3 interior bucket, 4 clothing
5 downlight, 6 color sensor
7 reflected lights
12 reflective membrane, 13 filter
14 loopholes
51 lampshade, 52 parabolic mirror
53 downlight, 54 lamp source
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is typically needle
For direction shown in the drawings either for it is vertical, on vertical or gravity direction for each component mutual alignment relation
Word is described.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Washing machine in the prior art is typically all to shoot clothing using camera to identify clothing color, to prevent going here and there
Color washs, then identifies color by pixel analysis, but this method is more coarse, cost is higher.For this purpose, the present invention provides one
Kind washing machine is equipped with color sensor 6 and downlight 5, downlight 5 is for providing as shown in Figure 1 and Figure 2 at the laundry entrance of washing machine
For light source to be radiated on clothing 4 and form the reflected light 7 of the color with clothing 4, color sensor 6 is arranged in reflected light path
On to acquire reflected light 7.Therefore before washing, when clothing 4 is put by the door seal 2 of washing machine in interior bucket 3, downlight 5 projects
Light be irradiated on clothing 4, reflected light 7 is received by color sensor 6.Since the washing machine of the present invention is to pass through setting
Color sensor 6 rather than camera identify 4 color of clothing one by one, by carrying out the judgement and early warning of color aberration to clothing 4,
To avoid the problem that laundry colour contamination.It is opposite to use the higher camera of cost, can be had using color sensor 6 and downlight 5 etc.
It reduces cost to effect and realizes the function of the judgement and the early warning that carry out color aberration to clothing 4.
General color reaction device 6 in the prior art the problem of due to light source and photosensitive environment, leads to perceived distance too
Short and cannot meet actual use situation, in the washing machine of the present invention, color reaction device 6, which is set at one, can enhance sense
Know the Optical System Design of distance, the identification function to 4 color of clothing can be further increased, concrete principle will be hereinafter into one
Step illustrates.
It should be noted that washing machine of the present invention includes dryer, therefore, washing machine packet referred to herein
Washing machine and drier is included, is no longer repeated one by one.
Since the lighting system of existing downlight 5 excessively scatters, it is unfavorable for the identification of identification device, to make the present invention's
Color detection is more accurate, should ensure that the light that light source is sent out is concentrated as best one can.As shown in figure 3, downlight 5 includes lamp source 54 and lampshade
51, the front inner wall face of lampshade 51 around lamp source 54 and is formed as parabolic mirror 52 so that the light warp that lamp source 54 is sent out
It is projected with directional light by parabolic mirror 52.Due to adding parabolic mirror 52, the scattering light of downlight 5 is allowed to become parallel
Light, therefore the light-ray condensing degree and luminous intensity of the illumination of downlight 5 can be enhanced, the reflected light 7 of 4 color of clothing can be enhanced in this way,
The color for being collected into clothing 4 is made it easier to, to enhance the accuracy of 4 color of clothing identification.
Downlight 5 further includes diffusion sheet 53, and 53 direction of illumination of diffusion sheet is arranged at intervals on the front end of lampshade 51.The light of downlight 5
After line is projected via parabolic mirror 52 with directional light, directional light, can be in certain distance after the diffusion sheet 53 by customization
Inside continue to keep light-ray condensing, and gradually be scattered at a distance, thus can identification device identification apart from interior enhancing
Light intensity and enhance identification signal, and illuminate environment in interior bucket 3 in long distance scatter.
Since in the interference for be avoided as possible when color identification ambient, the knot of color identification otherwise can be influenced
Fruit, therefore color sensor, light source etc. can be placed in a closed, unreflected chest and be tested.Such as Fig. 4 institutes
Show, washing machine includes sensor black box 1, and color sensor 6 is arranged in sensor black box 1, and the front end of sensor black box 1 is equipped with
Loophole 14 only leaves loophole 14 on reflected light path, and at least part of reflected light 7 is entered by loophole 14 to be sensed
It is received in device black box 1 and by color sensor 6.Therefore by the ray-collecting of sensor black box 1, it can avoid external environment light
Influence to color sensor 6.
Meanwhile the peripheral wall of sensor black box 1 posts reflective membrane 12, to maximize the light intensity that enhancing receives, to
Further enhance the light receiver performance of color sensor 6.
Can also be equipped with filter 13 in sensor black box 1, the setting of filter 13 between color sensor 6 and loophole 14 it
Between.Filter 13 generally uses IR filters, and IR filters are also one kind of condenser.By the cooperation of filter 13 and reflective membrane 12 etc. come
The light intensity received in enhancing sensor black box 1, finally can increase the perceived distance for beating color sensor 6, perceived accuracy, carry
Rise the perceptual performance of color sensor 6.
Compared with prior art, through the above technical solution, the present invention proposes 5 He of downlight designed according to optical principle
Color sensor 6 can greatly increase the perceived distance of color sensor, while the perceived distance of color reaction device 6 is increased
Add 2-3 times so that the practical service environment for being more suitable for washing machine of color reaction device 6.
Washing machine may also include white light plate, and white light plate is movably disposed at opticpath or the reflected light path of downlight 5
On.It prepares for the identification of subsequent color due to carrying out blank level adjustment, after washing machine tube door is opened, first by white
Tabula rasa reflected white-light realizes the white balance of color sensor 6 to conduct to color sensor 6.
Preferably, to ensure to carry out good light reflection and the effect of collection to clothing 4, as depicted in figs. 1 and 2, laundry
The lateral circular open offered as 4 entrance of clothing of machine, the circular open are 4 entrances of laundry of washing machine and lead to interior bucket 3
Entrance, color sensor 6 and downlight 5 are respectively positioned on the top in the center of circle of circular open and are symmetrically arranged about the center of circle.Make
It obtains before clothing 4 is put into washing machine, judges its color in advance and early warning is washed when the 4 color aberration of clothing being successively put into is too big
Clothing chance, which is sent out, makes corresponding warning to remind user to carry out relevant treatment.
Wherein, color sensor 6 is preferably high-precision RGB color sensor, because RGB color sensor is to similar face
The detection reliability of color and tone is higher, and principle is realized by the reflection ratio of the three primary colours of measurement composition object color
Detection to color.Since the detection method precision of this color is high, so RGB color sensor can accurately distinguish and its phase
As the different tones of color or even same color.
Washing machine further includes main control chip, during the entire process of identifying clothing color by color sensor 6 to washing machine,
Since being opened bucket door, 6 white balance of color sensor is arrived, then identify to color, then pass through MCU (micro-control unit) to color
It is stored, and color and aberration is calculated by algorithm, then aberration judge and decide whether to remind according to result.It is whole
A logical process, is completed in main control chip.Wherein, main control chip may include the color identification module communicated successively, color
Memory module and aberration discrimination module, color identification module are configured to be converted to the rgb signal value that color sensor 6 exports
HSV value or HSL values simultaneously confirm current color, and color storage module is configured to receive and store the current color of confirmation, and aberration is sentenced
Other module is configured to differentiate the aberration between a variety of current colors stored.
HSL and HSV is mathematically defined as the transformation of coordinates of R, G and B of the color in rgb space, from RGB to
The conversion of HSL or HSV is as follows：
If (r, g, b) is the red, green and blue coordinate of a color respectively, their value is the real number between 0 to 1.If
Max is equivalent to the maximum in r, g and b.If min is equal to the reckling in these values.Find in the spaces HSL (h, s,
L) value, here h ∈ [0,360) be angle hue angle, and s, l ∈ [0,1] are saturation degree and brightness, are calculated as：
The usually standardization of the value of h to positioned at 0 to 360 ° between, and when (are exactly grey) of the h=0 for max=min and
It is not that leave h undefined.
HSL and HSV has same definition of hue, but other components are different.The value of the s and v of hsv color are defined as follows：
υ=max
It is achieved that the output quantity by color sensor 6 is converted to HSV and HSL values by above formula, and confirms current
Color.It should be noted that conversion calculation formula and method are only to enumerate above, the present invention is not limited thereto.
In conjunction with above many Curve guide impellers, it can be ensured that laundry function of the invention more efficiently detects and judge clothing 4
Color, and make corresponding early warning etc..When the 4 color aberration of clothing being successively put into is too big, washing machine, which can be sent out, makes warning
To remind user, the form of prompt to have all various ways.In the present invention, it is preferred to which main control chip further includes alarm unit mould
Block, aberration discrimination module are additionally configured to send out the excessive letter of aberration when the aberration between a variety of current colors stored is excessive
Number, alarm unit module is configured to receive the excessive signal of aberration and sends out alarm signal.It is carried in addition, washing machine can not also do alarm
Show, such as control interior bucket 3 cannot start work, come avoid front and back 4 aberration of clothing for being put into washing machine excessive and the phenomenon that colour contamination
Occur.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Within refreshing and principle, any modification, equivalent replacement, improvement and so on, for example, RGB color sensor replaces with other sensings
Device, such as color mark sensor.Such change should all be included in the protection scope of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (11)
1. a kind of washing machine, which is characterized in that color sensor (6) and downlight (5) are equipped at the laundry entrance of the washing machine,
The downlight (5) is used to provide light source to be radiated on clothing (4) and form the reflected light of the color with the clothing (4)
(7), the color sensor (6) is arranged on reflected light path to acquire the reflected light (7).
2. washing machine according to claim 1, which is characterized in that the downlight (5) includes lamp source (54) and lampshade (51),
The front inner wall face of the lampshade (51) is around the lamp source (54) and being formed as parabolic mirror (52) so that light via
The parabolic mirror (52) is projected with directional light.
3. washing machine according to claim 2, which is characterized in that the downlight (5) further includes diffusion sheet (53), described to dissipate
Penetrate the front end that piece (53) direction of illumination is arranged at intervals on the lampshade (51).
4. washing machine according to claim 1, which is characterized in that the washing machine includes sensor black box (1), the face
In the sensor black box (1), the front end of the sensor black box (1) is equipped with loophole (14), institute for colour sensor (6) setting
At least part for stating reflected light (7) is entered by the loophole (14) in the sensor black box (1) and by the color
Sensor (6) receives.
5. washing machine according to claim 4, which is characterized in that the peripheral wall of the sensor black box (1) posts reflective membrane
(12)。
6. washing machine according to claim 4, which is characterized in that be equipped with filter (13), institute in the sensor black box (1)
Filter (13) is stated between the color sensor (6) and the loophole (14).
7. washing machine according to claim 1, which is characterized in that the washing machine includes white light plate, and the white light plate can
It is movably arranged on opticpath or the reflected light path of the downlight (5).
8. washing machine according to claim 1, which is characterized in that the lateral of the washing machine offers as the clothing
(4) circular open of entrance, the color sensor (6) and the downlight (5) are respectively positioned on the upper of the center of circle of the circular open
It is symmetrically arranged just and about the center of circle.
9. the washing machine according to any one of claim 1~8, which is characterized in that the color sensor (6) is
RGB color sensor.
10. washing machine according to claim 9, which is characterized in that the washing machine includes main control chip, the master control core
Piece includes the color identification module, color storage module and aberration discrimination module communicated successively, the color identification module configuration
Rgb signal value to export the color sensor (6) is converted to HSV value or HSL values and confirms current color, the color
Memory module is configured to receive and store the current color of confirmation, and the aberration discrimination module is configured to what differentiation was stored
Aberration between a variety of current colors.
11. washing machine according to claim 10, which is characterized in that the main control chip further includes alarm unit module,
The aberration discrimination module is additionally configured to send out aberration mistake when the aberration between a variety of current colors stored is excessive
Big signal, the alarm unit module are configured to receive the excessive signal of the aberration and send out alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710271512.5A CN108729127A (en) | 2017-04-24 | 2017-04-24 | Washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710271512.5A CN108729127A (en) | 2017-04-24 | 2017-04-24 | Washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108729127A true CN108729127A (en) | 2018-11-02 |
Family
ID=63934019
Family Applications (1)
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|---|---|---|---|
| CN201710271512.5A Pending CN108729127A (en) | 2017-04-24 | 2017-04-24 | Washing machine |
Country Status (1)
| Country | Link |
|---|---|
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112831982A (en) * | 2019-11-22 | 2021-05-25 | 重庆海尔洗衣机有限公司 | Processing method, device and equipment for clothes color identification and storage medium |
| CN113550112A (en) * | 2020-04-26 | 2021-10-26 | 青岛海尔洗衣机有限公司 | Washing control method and device and washing machine |
| EP3951043A1 (en) * | 2020-08-07 | 2022-02-09 | Whirlpool Corporation | Color sensor for washing machines |
| WO2024051496A1 (en) * | 2022-09-05 | 2024-03-14 | 青岛海尔洗衣机有限公司 | Laundry device |
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| CN112831982A (en) * | 2019-11-22 | 2021-05-25 | 重庆海尔洗衣机有限公司 | Processing method, device and equipment for clothes color identification and storage medium |
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Effective date of registration: 20190717 Address after: 214028 No. 18 Changjiang South Road, Wuxi National High-tech Development Zone, Jiangsu Province Applicant after: Wuxi Swan Electrical Appliances Co., Ltd. Address before: 214028 No. 18 Changjiang South Road, Wuxi National High-tech Development Zone, Jiangsu Province Applicant before: Wuxi Xiaotianer Co., Ltd. |
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