CN114098109B - Automatic cleaning equipment for melon seeds - Google Patents
Automatic cleaning equipment for melon seeds Download PDFInfo
- Publication number
- CN114098109B CN114098109B CN202111366428.4A CN202111366428A CN114098109B CN 114098109 B CN114098109 B CN 114098109B CN 202111366428 A CN202111366428 A CN 202111366428A CN 114098109 B CN114098109 B CN 114098109B
- Authority
- CN
- China
- Prior art keywords
- cleaning
- barrel
- water
- sand
- stirring
- Prior art date
- 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.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N12/00—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
- A23N12/02—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for washing or blanching
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention relates to automatic melon seed cleaning equipment. The controller is used for controlling the whole device to automatically clean the melon seeds, and the melon seeds are cleaned by two steps of sand cleaning and water cleaning; in the sand washing step, the bottom is continuously stirred, so that sand and water are mixed, on one hand, the sand washing effect is improved, and on the other hand, the water and the sand can be pumped out as clean as possible when the sand washing is finished; the melon seeds are further cleaned in the water washing process, so that on one hand, stains on the surfaces of the melon seeds can be better cleaned, and on the other hand, cleaning sand can be sufficiently removed; the audio collector is used for collecting audio to control the whole cleaning flow, so that the control is more accurate, the differentiation of manual control is avoided, the characteristic peak of the frequency domain is used for representing the cleaning index, the control is accurate, and the efficiency is high; the water and sand in the cleaning process can be fully separated and then recovered, so that the cleaning agent is green and pollution-free.
Description
Technical Field
The invention relates to the field of melon seed treatment, in particular to automatic melon seed cleaning equipment.
Background
The sunflower seeds are a nut food, have high nutritive value, are high-protein foods, and contain abundant microelements such as iron, zinc, potassium and magnesium, so that the sunflower seeds have the effect of preventing diseases such as anemia. Melon seeds are classified into sunflower seeds, watermelon seeds, and winter melon seeds; before actual stir-frying, the adhered impurities and the like on the surfaces of the melon seeds must be washed away;
generally, the melon seeds are cleaned manually in the prior art, on one hand, whether the melon seeds are cleaned by naked eyes is observed, and on the other hand, a master worker can judge whether the melon seeds are cleaned according to the sound in the cleaning process of the melon seeds, because the cleaned melon seeds have different collision sounds when the melon seeds with dirt on the specific surface are heard.
The application number CN201810327249.1 discloses an automatic cleaning equipment for melon seed batch production, including the carriage, be equipped with in the carriage and wash chamber, drainage chamber, stoving chamber and row material chamber, the roof is installed to stoving chamber inner chamber, install the slide rail on the roof, install the slider in the slide rail, install the sliding plate on the slider, install the spout on the sliding plate, the dog is installed through movable rotating shaft to the intermediate position of sliding plate, driving motor is installed to the upper end of roof, install the transmission shaft on the driving motor, the transfer line is installed to the end of transmission shaft, the block is passed through the block bolt block in the spout to the end of transfer line, the air heater is installed to the sliding plate bottom.
The application number CN201821853699.6 discloses a melon seed cleaning machine, including the wash bin, wash bin upper portion is cuboid form, and the lower part is fight form, wash bin bottom is equipped with the debris groove, debris groove is connected with sealed lid, be equipped with wash bowl and rotatory fan in the wash bin, the inside auger that is provided with of wash bowl, wash bowl part is arranged in inside the wash bin, the one end that wash bowl stretched out the wash bin is equipped with throws feed bin, inlet tube, the other end of wash bowl is opened there is the discharge gate, rotatory fan is arranged in the wash bin, when one of them flabellum level of rotatory fan, there is the clearance between flabellum end and the end baffle.
However, the existing melon seed cleaning machine generally needs manual auxiliary control, and in addition, the cleaning effect by only water has certain limitation.
Disclosure of Invention
In order to solve the problems, the automatic melon seed cleaning equipment comprises a controller, a stirring barrel, a cleaning barrel and a solid-liquid separation barrel;
the controller is connected with the stirring barrel, the cleaning barrel and the solid-liquid separation barrel, and the cleaning barrel is used for cleaning melon seeds, and the cleaning comprises two steps of sand washing and water washing;
the stirring barrel is used for collecting the cleaning sand and the water and stirring and mixing the cleaning sand and the water; the solid-liquid separation barrel is used for separating and recycling the mixed cleaning sand and water;
the controller controls each part in the stirring barrel, the cleaning barrel and the solid-liquid separation barrel to realize automatic cleaning of melon seeds.
The cleaning barrel comprises a filter plate, a feed port valve, a discharge port valve, a sand injection pump, a water injection pump and a stirring paddle;
the filter plate is used for filtering melon seeds, so that cleaning sand and water pass through the filter plate to prevent the melon seeds from passing through the filter plate;
the feeding port valve is used for controlling the feeding of the melon seeds, so that the melon seeds enter the cleaning barrel, and the beating port valve is used for controlling the discharge of the melon seeds after cleaning; the material inlet valve is arranged at the top of the cleaning barrel, and the material outlet valve is arranged above the filter plate;
the sand injection pump is used for injecting cleaning sand into the cleaning barrel, and the water injection pump is used for injecting water into the cleaning barrel;
the stirring paddle is used for stirring melon seeds, cleaning sand and water in the cleaning barrel so as to clean the melon seeds.
The stirring barrel is arranged at the bottom of the cleaning barrel and is directly communicated with the cleaning barrel; the mixing blades are arranged in the stirring barrel and are used for stirring the cleaning sand and the water in the stirring barrel, so that the cleaning sand and the water are fully mixed; the outlet of the stirring barrel is connected to a water suction pump, and the water in the stirring barrel is pumped to the upper opening of the solid-liquid separation barrel by the water suction pump;
a filtering membrane is arranged in the solid-liquid separation barrel and used for filtering out the cleaning sand from the water to realize recovery.
The controller is connected with an audio collector, and the audio collector is arranged in the cleaning barrel and is used for collecting sound generated during cleaning in the cleaning barrel and sending collected audio signals to the controller;
the controller analyzes the audio signal, calculates the characteristic frequency of the audio signal, obtains the cleaning index of the melon seeds according to the calculated characteristic frequency of the audio signal, and controls the flow of sand washing and water washing according to the cleaning index.
A method for automatically cleaning melon seeds by using melon seed automatic cleaning equipment comprises the following steps:
step 1, a controller controls a feed opening valve to feed, the feed amount is determined according to the flow rate and the time, and a fixed amount of melon seeds to be cleaned are injected into a cleaning barrel;
step 2, controlling a sand injection pump to inject a fixed amount of cleaning sand into the cleaning barrel by the controller, controlling the water injection pump to inject a fixed amount of water into the cleaning barrel, and simultaneously controlling the mixing blades to rotate, so that the cleaning sand and the water in the stirring barrel and the cleaning barrel are fully mixed, and controlling the stirring paddles to start stirring and start sand washing;
the method comprises the steps that in the sand washing process, an audio collector collects sound generated during cleaning in a cleaning barrel and sends collected audio signals to a controller;
the controller analyzes the audio signal, calculates the characteristic frequency of the audio signal, and obtains a first cleaning index of melon seed sand washing step according to the calculated characteristic frequency of the audio signal;
step 3, when the first cleaning index reaches a threshold value, the controller controls the mixing blade to continuously rotate;
simultaneously controlling a water suction pump to pump water in the stirring barrel to the solid-liquid separation barrel until the water in the stirring barrel and the cleaning sand are pumped down, separating the cleaning sand from the water, conveying the separated cleaning sand back to a container for containing the cleaning sand, and purifying the water and returning the water to the water barrel;
step 4, the controller controls the water injection pump to inject a fixed amount of water into the cleaning barrel, simultaneously controls the mixing blades to rotate, controls the stirring paddles to start stirring, and starts washing;
the audio collector collects sound generated during cleaning in the cleaning barrel in the water cleaning process, and sends collected audio signals to the controller;
the controller analyzes the audio signal, calculates the characteristic frequency of the audio signal, and obtains a second cleaning index of the melon seed sand washing step according to the calculated characteristic frequency of the audio signal;
step 5, when the second cleaning index reaches a threshold value, the controller controls the mixing blade to continue rotating;
simultaneously controlling a water suction pump to pump water in the stirring barrel to the solid-liquid separation barrel, separating residual cleaning sand from water until the water in the stirring barrel and the residual cleaning sand are pumped out, conveying the separated cleaning sand back to a container for holding the cleaning sand, and purifying the water and returning the water to the water barrel;
and 6, controlling a discharge port valve to be opened by a controller, discharging the cleaned melon seeds, and finishing cleaning.
The first cleaning index was determined as follows:
adding unwashed melon seeds into a washing barrel to carry out a sand washing process, collecting audio signals in the sand washing process along with time change, carrying out frequency domain analysis on the audio signals, carrying out spectral peak analysis on obtained frequency domain data, and extracting a plurality of spectral peaks;
extracting a plurality of frequency spectrums along with time variation, and taking the frequency spectrum peak with the largest frequency spectrum peak position variation in the plurality of frequency spectrums as a first characteristic frequency spectrum peak;
performing a complete sand washing process, and taking the position of a first characteristic spectrum peak in the audio signal when the sand washing process is completed as a first end point of the spectrum peak; taking the difference value between the first spectrum peak and the first endpoint of the spectrum peak acquired in real time as a first cleaning index; the threshold value of the first cleaning index is 0;
the second cleaning index was determined as follows:
adding the melon seeds which are not washed after sand washing into a washing barrel for washing, collecting audio signals in the washing process along with time change, carrying out frequency domain analysis on the audio signals, carrying out spectral peak analysis on obtained frequency domain data, and extracting a plurality of spectral peaks;
extracting a plurality of frequency spectrums along with time variation, and taking the frequency spectrum peak with the largest frequency spectrum peak position variation in the plurality of frequency spectrums as a second characteristic frequency spectrum peak;
performing a complete water washing process, and taking the position of a second characteristic spectrum peak in the audio signal when the sand washing process is completed as a second end point of the spectrum peak; taking the difference value between the second spectrum peak and the second endpoint of the spectrum peak acquired in real time as a second cleaning index; the threshold value of the second cleaning index is 0.
The beneficial effects of the invention are as follows:
the invention uses the controller to control the whole device to automatically clean the melon seeds, and the cleaning of the melon seeds is divided into two steps of sand cleaning and water cleaning; in the sand washing step, the bottom is continuously stirred, so that sand and water are mixed, on one hand, the sand washing effect is improved, and on the other hand, the water and the sand can be pumped out as clean as possible when the sand washing is finished; the melon seeds are further cleaned in the water washing process, so that on one hand, stains on the surfaces of the melon seeds can be better cleaned, and on the other hand, cleaning sand can be sufficiently removed;
the audio collector is used for collecting audio to control the whole cleaning flow, so that the control is more accurate, the differentiation of manual control is avoided, the characteristic peak of the frequency domain is used for representing the cleaning index, the control is accurate, and the efficiency is high; the water and sand in the cleaning process can be fully separated and then recovered, so that the cleaning agent is green and pollution-free.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosed subject matter, are incorporated in and constitute a part of this specification. The drawings also set forth implementations of the disclosed subject matter and, together with the detailed description, serve to explain the principles of the implementations of the disclosed subject matter. No attempt is made to show structural details of the disclosed subject matter in more detail than is necessary for a fundamental understanding of the disclosed subject matter and its various ways of practice.
FIG. 1 is a device frame pattern of the present invention;
fig. 2 is a schematic view of the structure of the device of the present invention.
Detailed Description
The advantages, features and manner of attaining the stated objects of the invention will become apparent from the description to follow, and from the drawings.
Example 1:
an automatic melon seed cleaning device comprises a controller, a stirring barrel, a cleaning barrel and a solid-liquid separation barrel;
the controller is connected with the stirring barrel, the cleaning barrel and the solid-liquid separation barrel, and the cleaning barrel is used for cleaning melon seeds, and the cleaning comprises two steps of sand washing and water washing;
the stirring barrel is used for collecting the cleaning sand and the water and stirring and mixing the cleaning sand and the water; the solid-liquid separation barrel is used for separating and recycling the mixed cleaning sand and water;
the controller controls each part in the stirring barrel, the cleaning barrel and the solid-liquid separation barrel to realize automatic cleaning of melon seeds.
The cleaning barrel comprises a filter plate, a feed port valve, a discharge port valve, a sand injection pump, a water injection pump and a stirring paddle;
the filter plate is used for filtering melon seeds, so that cleaning sand and water pass through the filter plate to prevent the melon seeds from passing through the filter plate;
the feeding port valve is used for controlling the feeding of the melon seeds, so that the melon seeds enter the cleaning barrel, and the beating port valve is used for controlling the discharge of the melon seeds after cleaning; the material inlet valve is arranged at the top of the cleaning barrel, and the material outlet valve is arranged above the filter plate;
the sand injection pump is used for injecting cleaning sand into the cleaning barrel, and the water injection pump is used for injecting water into the cleaning barrel;
the stirring paddle is used for stirring melon seeds, cleaning sand and water in the cleaning barrel so as to clean the melon seeds.
The stirring barrel is arranged at the bottom of the cleaning barrel and is directly communicated with the cleaning barrel; the mixing blades are arranged in the stirring barrel and are used for stirring the cleaning sand and the water in the stirring barrel, so that the cleaning sand and the water are fully mixed; the outlet of the stirring barrel is connected to a water suction pump, and the water in the stirring barrel is pumped to the upper opening of the solid-liquid separation barrel by the water suction pump;
a filtering membrane is arranged in the solid-liquid separation barrel and used for filtering out the cleaning sand from the water to realize recovery.
The controller is connected with an audio collector, and the audio collector is arranged in the cleaning barrel and is used for collecting sound generated during cleaning in the cleaning barrel and sending collected audio signals to the controller;
the controller analyzes the audio signal, calculates the characteristic frequency of the audio signal, obtains the cleaning index of the melon seeds according to the calculated characteristic frequency of the audio signal, and controls the flow of sand washing and water washing according to the cleaning index.
Example 2:
a method for automatically cleaning melon seeds by using melon seed automatic cleaning equipment comprises the following steps:
step 1, a controller controls a feed opening valve to feed, the feed amount is determined according to the flow rate and the time, and a fixed amount of melon seeds to be cleaned are injected into a cleaning barrel;
step 2, controlling a sand injection pump to inject a fixed amount of cleaning sand into the cleaning barrel by the controller, controlling the water injection pump to inject a fixed amount of water into the cleaning barrel, and simultaneously controlling the mixing blades to rotate, so that the cleaning sand and the water in the stirring barrel and the cleaning barrel are fully mixed, and controlling the stirring paddles to start stirring and start sand washing;
the method comprises the steps that in the sand washing process, an audio collector collects sound generated during cleaning in a cleaning barrel and sends collected audio signals to a controller;
the controller analyzes the audio signal, calculates the characteristic frequency of the audio signal, and obtains a first cleaning index of melon seed sand washing step according to the calculated characteristic frequency of the audio signal;
step 3, when the first cleaning index reaches a threshold value, the controller controls the mixing blade to continuously rotate;
simultaneously controlling a water suction pump to pump water in the stirring barrel to the solid-liquid separation barrel until the water in the stirring barrel and the cleaning sand are pumped down, separating the cleaning sand from the water, conveying the separated cleaning sand back to a container for containing the cleaning sand, and purifying the water and returning the water to the water barrel;
step 4, the controller controls the water injection pump to inject a fixed amount of water into the cleaning barrel, simultaneously controls the mixing blades to rotate, controls the stirring paddles to start stirring, and starts washing;
the audio collector collects sound generated during cleaning in the cleaning barrel in the water cleaning process, and sends collected audio signals to the controller;
the controller analyzes the audio signal, calculates the characteristic frequency of the audio signal, and obtains a second cleaning index of the melon seed sand washing step according to the calculated characteristic frequency of the audio signal;
step 5, when the second cleaning index reaches a threshold value, the controller controls the mixing blade to continue rotating;
simultaneously controlling a water suction pump to pump water in the stirring barrel to the solid-liquid separation barrel, separating residual cleaning sand from water until the water in the stirring barrel and the residual cleaning sand are pumped out, conveying the separated cleaning sand back to a container for holding the cleaning sand, and purifying the water and returning the water to the water barrel;
and 6, controlling a discharge port valve to be opened by a controller, discharging the cleaned melon seeds, and finishing cleaning.
The first cleaning index was determined as follows:
adding unwashed melon seeds into a washing barrel to carry out a sand washing process, collecting audio signals in the sand washing process along with time change, carrying out frequency domain analysis on the audio signals, carrying out spectral peak analysis on obtained frequency domain data, and extracting a plurality of spectral peaks;
extracting a plurality of frequency spectrums along with time variation, and taking the frequency spectrum peak with the largest frequency spectrum peak position variation in the plurality of frequency spectrums as a first characteristic frequency spectrum peak;
performing a complete sand washing process, and taking the position of a first characteristic spectrum peak in the audio signal when the sand washing process is completed as a first end point of the spectrum peak; taking the difference value between the first spectrum peak and the first endpoint of the spectrum peak acquired in real time as a first cleaning index; the threshold value of the first cleaning index is 0;
the second cleaning index was determined as follows:
adding the melon seeds which are not washed after sand washing into a washing barrel for washing, collecting audio signals in the washing process along with time change, carrying out frequency domain analysis on the audio signals, carrying out spectral peak analysis on obtained frequency domain data, and extracting a plurality of spectral peaks;
extracting a plurality of frequency spectrums along with time variation, and taking the frequency spectrum peak with the largest frequency spectrum peak position variation in the plurality of frequency spectrums as a second characteristic frequency spectrum peak;
performing a complete water washing process, and taking the position of a second characteristic spectrum peak in the audio signal when the sand washing process is completed as a second end point of the spectrum peak; taking the difference value between the second spectrum peak and the second endpoint of the spectrum peak acquired in real time as a second cleaning index; the threshold value of the second cleaning index is 0.
The above description is merely of the preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present invention, and the changes or substitutions are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (1)
1. A method for automatically cleaning melon seeds by using automatic melon seed cleaning equipment is characterized in that:
the melon seed automatic cleaning equipment comprises a controller, a stirring barrel, a cleaning barrel and a solid-liquid separation barrel;
the controller is connected with the stirring barrel, the cleaning barrel and the solid-liquid separation barrel, and the cleaning barrel is used for cleaning melon seeds, and the cleaning comprises two steps of sand washing and water washing;
the stirring barrel is used for collecting the cleaning sand and the water and stirring and mixing the cleaning sand and the water; the solid-liquid separation barrel is used for separating and recycling the mixed cleaning sand and water;
the controller controls each part in the stirring barrel, the cleaning barrel and the solid-liquid separation barrel to realize automatic cleaning of melon seeds;
the cleaning barrel comprises a filter plate, a feed port valve, a discharge port valve, a sand injection pump, a water injection pump and a stirring paddle;
the filter plate is used for filtering melon seeds, so that cleaning sand and water pass through the filter plate to prevent the melon seeds from passing through the filter plate;
the feeding port valve is used for controlling the feeding of the melon seeds, so that the melon seeds enter the cleaning barrel, and the beating port valve is used for controlling the discharge of the melon seeds after cleaning; the material inlet valve is arranged at the top of the cleaning barrel, and the material outlet valve is arranged above the filter plate;
the sand injection pump is used for injecting cleaning sand into the cleaning barrel, and the water injection pump is used for injecting water into the cleaning barrel;
the stirring paddles are used for stirring melon seeds, cleaning sand and water in the cleaning barrel so as to clean the melon seeds;
the stirring barrel is arranged at the bottom of the cleaning barrel and is directly communicated with the cleaning barrel; the mixing blades are arranged in the stirring barrel and are used for stirring the cleaning sand and the water in the stirring barrel, so that the cleaning sand and the water are fully mixed; the outlet of the stirring barrel is connected to a water suction pump, and the water in the stirring barrel is pumped to the upper opening of the solid-liquid separation barrel by the water suction pump;
a filtering membrane is arranged in the solid-liquid separation barrel and is used for filtering the cleaning sand out of the water to realize recovery;
the controller is connected with an audio collector, and the audio collector is arranged in the cleaning barrel and is used for collecting sound generated during cleaning in the cleaning barrel and sending collected audio signals to the controller;
the controller analyzes the audio signal, calculates the characteristic frequency of the audio signal, obtains the cleaning index of the melon seeds according to the calculated characteristic frequency of the audio signal, and controls the flow of sand washing and water washing according to the cleaning index;
the cleaning method comprises the following steps:
step 1, a controller controls a feed opening valve to feed, the feed amount is determined according to the flow rate and the time, and a fixed amount of melon seeds to be cleaned are injected into a cleaning barrel;
step 2, controlling a sand injection pump to inject a fixed amount of cleaning sand into the cleaning barrel by the controller, controlling the water injection pump to inject a fixed amount of water into the cleaning barrel, and simultaneously controlling the mixing blades to rotate, so that the cleaning sand and the water in the stirring barrel and the cleaning barrel are fully mixed, and controlling the stirring paddles to start stirring and start sand washing;
the method comprises the steps that in the sand washing process, an audio collector collects sound generated during cleaning in a cleaning barrel and sends collected audio signals to a controller;
the controller analyzes the audio signal, calculates the characteristic frequency of the audio signal, and obtains a first cleaning index of melon seed sand washing step according to the calculated characteristic frequency of the audio signal;
step 3, when the first cleaning index reaches a threshold value, the controller controls the mixing blade to continuously rotate;
simultaneously controlling a water suction pump to pump water in the stirring barrel to the solid-liquid separation barrel until the water in the stirring barrel and the cleaning sand are pumped down, separating the cleaning sand from the water, conveying the separated cleaning sand back to a container for containing the cleaning sand, and purifying the water and returning the water to the water barrel;
step 4, the controller controls the water injection pump to inject a fixed amount of water into the cleaning barrel, simultaneously controls the mixing blades to rotate, controls the stirring paddles to start stirring, and starts washing;
the audio collector collects sound generated during cleaning in the cleaning barrel in the water cleaning process, and sends collected audio signals to the controller;
the controller analyzes the audio signal, calculates the characteristic frequency of the audio signal, and obtains a second cleaning index of the melon seed sand washing step according to the calculated characteristic frequency of the audio signal;
step 5, when the second cleaning index reaches a threshold value, the controller controls the mixing blade to continue rotating;
simultaneously controlling a water suction pump to pump water in the stirring barrel to the solid-liquid separation barrel, separating residual cleaning sand from water until the water in the stirring barrel and the residual cleaning sand are pumped out, conveying the separated cleaning sand back to a container for holding the cleaning sand, and purifying the water and returning the water to the water barrel;
step 6, the controller controls the discharge opening valve to be opened, and the cleaned melon seeds are discharged to finish cleaning;
the first cleaning index was determined as follows:
adding unwashed melon seeds into a washing barrel to carry out a sand washing process, collecting audio signals in the sand washing process along with time change, carrying out frequency domain analysis on the audio signals, carrying out spectral peak analysis on obtained frequency domain data, and extracting a plurality of spectral peaks;
extracting a plurality of frequency spectrums along with time variation, and taking the frequency spectrum peak with the largest frequency spectrum peak position variation in the plurality of frequency spectrums as a first characteristic frequency spectrum peak;
performing a complete sand washing process, and taking the position of a first characteristic spectrum peak in the audio signal when the sand washing process is completed as a first end point of the spectrum peak; taking the difference value between the first spectrum peak and the first endpoint of the spectrum peak acquired in real time as a first cleaning index; the threshold value of the first cleaning index is 0;
the second cleaning index was determined as follows:
adding the melon seeds which are not washed after sand washing into a washing barrel for washing, collecting audio signals in the washing process along with time change, carrying out frequency domain analysis on the audio signals, carrying out spectral peak analysis on obtained frequency domain data, and extracting a plurality of spectral peaks;
extracting a plurality of frequency spectrums along with time variation, and taking the frequency spectrum peak with the largest frequency spectrum peak position variation in the plurality of frequency spectrums as a second characteristic frequency spectrum peak;
performing a complete water washing process, and taking the position of a second characteristic spectrum peak in the audio signal when the sand washing process is completed as a second end point of the spectrum peak; taking the difference value between the second spectrum peak and the second endpoint of the spectrum peak acquired in real time as a second cleaning index; the threshold value of the second cleaning index is 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111366428.4A CN114098109B (en) | 2021-11-18 | 2021-11-18 | Automatic cleaning equipment for melon seeds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111366428.4A CN114098109B (en) | 2021-11-18 | 2021-11-18 | Automatic cleaning equipment for melon seeds |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114098109A CN114098109A (en) | 2022-03-01 |
| CN114098109B true CN114098109B (en) | 2023-04-28 |
Family
ID=80397460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111366428.4A Active CN114098109B (en) | 2021-11-18 | 2021-11-18 | Automatic cleaning equipment for melon seeds |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114098109B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2794598Y (en) * | 2005-05-27 | 2006-07-12 | 江苏神洲环境工程有限公司 | Integrated vortex silt removing device |
| CN104148361B (en) * | 2014-07-03 | 2015-11-18 | 中航上大高温合金材料有限公司 | A kind of rare precious metal turning material cleaning special purpose device |
| CN204658219U (en) * | 2015-03-13 | 2015-09-23 | 天津市博克高压泵销售有限公司 | A kind of high pressure liquid sandblast scale removal equipment sand water proportioning tank |
| CN205995137U (en) * | 2016-07-26 | 2017-03-08 | 长江大学 | A kind of Novel sand water separation device |
| CN207953598U (en) * | 2018-03-14 | 2018-10-12 | 柳州豪姆机械有限公司 | Epoxy steel strand wires cleaning machine |
| CN108787603A (en) * | 2018-06-04 | 2018-11-13 | 安徽俊祺生物科技有限公司 | A kind of Rhizomatic traditional Chinese medicine sand washing machine |
| CN109365410B (en) * | 2018-10-17 | 2020-09-18 | 北京航天控制仪器研究所 | Processing head device for realizing efficient laser cleaning and cleaning method |
| CN110653223B (en) * | 2019-09-26 | 2021-10-29 | 厦门理工学院 | Laser cleaning monitoring device and monitoring method thereof and laser cleaning machine |
| CN213428217U (en) * | 2020-09-17 | 2021-06-15 | 易畅 | Potato sand washing machine |
-
2021
- 2021-11-18 CN CN202111366428.4A patent/CN114098109B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114098109A (en) | 2022-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107261629B (en) | A kind of hydraulic engineering silt separation apparatus | |
| CN109289318A (en) | Water quality silt multistage filtering separator | |
| CN214528491U (en) | Tire production waste water retrieval and utilization treatment facility | |
| CN110524304A (en) | A kind of numerically-controlled machine tool machine tool chip removal cleaning plant | |
| CN205949043U (en) | A floatation device for copper rice | |
| CN209317196U (en) | A kind of tea grounds separator in tea polyphenols production extraction process | |
| CN114098109B (en) | Automatic cleaning equipment for melon seeds | |
| CN110879186A (en) | Mud content detection device of concrete aggregate | |
| CN213913796U (en) | A reation kettle for polyurethane production | |
| CN110075592A (en) | Spiral filtration rinsing maching | |
| CN206518998U (en) | A kind of velveteen device for recovering powder | |
| CN113210070B (en) | High-efficient rice grading grinding system | |
| CN212167837U (en) | Full-automatic vertical centrifuge special for hematite slag | |
| CN206286248U (en) | Movable grain cleaning machine | |
| CN211284095U (en) | Purification and filtration device for cultivation waste | |
| CN112031143B (en) | Hydraulic engineering is with intelligent silt removal formula pump station | |
| CN114307386A (en) | Green's concrete mixing plant sewage recovery and cyclic utilization system | |
| CN208618179U (en) | A kind of novel industrial paper pulp slag remover | |
| CN206613246U (en) | A kind of filter of automatic cleaning filter cloth | |
| CN219442069U (en) | Solid-liquid separation device of horizontal centrifuge | |
| CN220343579U (en) | Impurity removing device for extracting solution preparation | |
| CN117815753B (en) | Separation and purification equipment and separation and purification method for fish collagen tripeptide | |
| CN220346656U (en) | Hardware processing waste recovery device | |
| CN220766563U (en) | Sewage filtering equipment with adjustable filtering grade | |
| CN218392656U (en) | Residual material cyclic utilization machine after paint production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |