CN105466847A - Watermelon maturity judging device - Google Patents
Watermelon maturity judging device Download PDFInfo
- Publication number
- CN105466847A CN105466847A CN201510879812.2A CN201510879812A CN105466847A CN 105466847 A CN105466847 A CN 105466847A CN 201510879812 A CN201510879812 A CN 201510879812A CN 105466847 A CN105466847 A CN 105466847A
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- China
- Prior art keywords
- watermelon
- base
- controller
- hydraulic cylinder
- infrared
- 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.)
- Pending
Links
- 241000219109 Citrullus Species 0.000 title claims abstract description 81
- 235000012828 Citrullus lanatus var citroides Nutrition 0.000 title claims abstract description 81
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 abstract description 6
- 241000196324 Embryophyta Species 0.000 abstract description 2
- 235000013399 edible fruits Nutrition 0.000 description 5
- 210000002615 epidermis Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004807 localization Effects 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 210000002826 placenta Anatomy 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 244000241257 Cucumis melo Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 206010019345 Heat stroke Diseases 0.000 description 1
- 241000218922 Magnoliophyta Species 0.000 description 1
- 241001417907 Peponidium Species 0.000 description 1
- 208000004880 Polyuria Diseases 0.000 description 1
- 208000001431 Psychomotor Agitation Diseases 0.000 description 1
- 206010038743 Restlessness Diseases 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000012850 discrimination method Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000035619 diuresis Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000027939 micturition Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000001672 ovary Anatomy 0.000 description 1
- 230000001936 parietal effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 230000035922 thirst Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
- G01N33/025—Fruits or vegetables
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Food Science & Technology (AREA)
- Automation & Control Theory (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention belongs to the field of plant detection and particularly discloses a watermelon maturity judging device. The watermelon maturity judging device comprises a base, a pressure sensor, an infrared emitter, an infrared receiving module and a controller, wherein the infrared emitter and the infrared receiving module are arranged on two sides of one end of the base oppositely; the base is connected with the pressure sensor and provided with an infrared emitter end where a hydraulic cylinder is arranged, a groove is formed in the other end of the base, and the pressure sensor is arranged at the lower end of the groove; a dynamometer is connected onto the hydraulic cylinder; the hydraulic cylinder, the dynamometer, the pressure sensor and the infrared receiving module are connected with the controller; a displayer is arranged on the controller. The watermelon maturity judging device has high detection accuracy and has no damage to watermelons.
Description
Technical field
The present invention relates to plnat monitoring field, be specifically related to the raw ripe judgment means of watermelon.
Background technology
All there is cultivating watermelon in China north and south, and watermelon is a kind of dicotyledonous flowering plant, and plant shape is as tendril, and leaf is featheriness.The fruit that it is born is Peponidium, and being the melon specific a kind of succulent fruit of Curcurbitaceae, is the pseudocarp that the inferior ovary having parietal placenta by 3 carpels grows.Watermelon mainly edible part is flourishing placenta.Fruit rinds is smooth, and in green or yellow, fruit flesh succulence is red or yellow, rare white flesh.Watermelon is cold in nature, and taste is sweet; It has clearing away summerheat, promote the production of body fluid to quench thirst, effect of diuresis relieving restlessness; Contribute to controlling chest diaphragm gas to stop up, full vexed uncomfortable, difficult urination, the raw sore of mouth and nose, hot summer weather, the diseases such as heatstroke.Skin can also be cooked, is used as medicine.
Watermelon is extensively subject to popular liking as the fruit of indispensability in summer, but the degree of ripeness of watermelon differentiates it is the problem perplexing people always.Whether the previous more effective watermelon detection method of order cuts an osculum watermelon exactly, ripe by observe and decide watermelon.But utilize this kind of method once after watermelon is opened, makes the shortened shelf life of watermelon, be unfavorable for that watermelon is deposited.The discriminating of Watermelon Maturity is mainly by observing the shape of watermelon and the sound of the Room, limit watermelon.But above discrimination method is taken as the leading factor with the experience of people, being detected as power cannot be protected.And a babe in the wood cannot utilize said method to detect watermelon.
Summary of the invention
The object of the present invention is to provide a kind of accuracy of detection high and to the harmless watermelon Discr. of watermelon.
For achieving the above object, technical scheme of the present invention is as follows:
The base case that this programme provides is: the raw ripe judgment means of a kind of watermelon, comprise base, pressure transducer, infrared transmitter, infrared receiver module and controller, described infrared transmitter and infrared receiver module are oppositely arranged on both sides, base one end, described base is connected with pressure transducer, described base is provided with infrared transmitter end and is provided with hydraulic cylinder, the base other end is provided with groove, and described pressure transducer is arranged on groove lower end; Described hydraulic cylinder is connected with dynamometer, and described hydraulic cylinder, dynamometer, pressure transducer are connected with controller respectively with infrared receiver module; Described controller is provided with display.
Principle of work of the present invention and beneficial effect are: watermelon is in growth course, and the fine hair of its epidermis can come off gradually, so the watermelon outer peel villus shedding of maturation, epidermis is smooth; And raw watermelon still villous, rough coat.So the friction factor of the watermelon of degree of ripeness and raw watermelon is different.The present invention, according to above-mentioned principle, detects watermelon.Watermelon is placed on base between infrared transmitter and infrared receiver, and then hydraulic cylinder is to the thrust of a watermelon horizontal direction, and thrust becomes large gradually.Along with thrust to become greater to the friction force be subject to watermelon identical, now watermelon is critical localisation, infrared receiver module receives the infrared ray that infrared transmitting device sends, controller hydraulic control cylinder stops providing thrust, the power that now hydraulic cylinder produces is the friction force that watermelon is subject to, and dynamometer is by this records of values and pass to controller.Watermelon starts to roll along base to refer in groove by the thrust of cylinder, being provided with pressure transducer in groove lower end can pressure suffered by detecting groove signal is passed to controller, and pressure and friction force carry out calculating thus draws the friction factor of watermelon and base and judge that whether watermelon is ripe and signal is passed to display show by controller.By side force device and pressure transducer, the friction factor to watermelon detects and compares present patent application, and accuracy of detection is high, and harmless to watermelon.
Preferred version one: based on the preferred version of scheme, described base both sides are provided with baffle plate, and the baffle plate of both sides can prevent watermelon from tumbling from base both sides.
Preferred version two: the preferably preferred version of, described base is provided with protective shield away from the end of cylinder ends, and protective shield moves along base after watermelon can be prevented to be pushed always and rolls down base, the effect that the protection watermelon that protective shield plays tumbles.
Preferred version three: the preferably preferred version of two, described base is also provided with stop means, stop means to be arranged on base near infrared transmitter, can guarantee that watermelon is placed on better position when detecting, make watermelon move rear infrared receiver more easily receive infrared ray and signal is passed to controller, make testing result more accurate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the raw ripe judgment means embodiment of watermelon of the present invention.
Embodiment
Below by embodiment, the present invention is further detailed explanation:
Reference numeral in Figure of description comprises: base 10, baffle plate 11, protective shield 12, stop means 13, groove 14, hydraulic cylinder 20, dynamometer 21, pressure transducer 30, infrared transmitter 31, watermelon 40.
Embodiment is substantially as shown in Figure 1: the raw ripe judgment means of a kind of watermelon, comprise base 10, pressure transducer 30, infrared transmitter 31, infrared receiver module and controller, infrared transmitter 31 and infrared receiver module are oppositely arranged on both sides, base 10 one end, base 10 is connected with pressure transducer 30, base 10 is provided with infrared transmitter 31 end and installs hydraulic cylinder 20, base 10 other end is provided with groove 14, and groove 14 can do the movement of vertical direction along base 10; Pressure transducer 30 arranges and is arranged on groove 14 lower end; Hydraulic cylinder 20 is connected with dynamometer 21, hydraulic cylinder 20, dynamometer 21, pressure transducer 30 are connected with controller respectively with infrared receiver module; Controller there is display.Base 10 both sides are welded with baffle plate 11, and the baffle plate 11 of both sides can prevent watermelon 40 from tumbling from base 10 both sides.Base 10 has protective shield 12 away from the welding edges of hydraulic cylinder 20 end, and protective shield 12 moves along base 10 after watermelon 40 can be prevented to be pushed always and rolls down base 10, the effect that the protection watermelon 40 that protective shield 12 plays tumbles.Base 10 is gone back mounting limit device 13, stop means 13 to be arranged on base 10 near infrared transmitter 31, can guarantee that watermelon 40 is placed on better position when detecting, make watermelon 40 move rear infrared receiver more easily receive infrared ray and signal is passed to controller, make testing result more accurate.
Watermelon 40 is in growth course, and the fine hair of its epidermis can come off gradually, so the watermelon 40 epidermis villus shedding of maturation, epidermis is smooth; And raw watermelon 40 still villous, rough coat.So the watermelon 40 of degree of ripeness and the friction factor of raw both watermelons 40 are different.The present invention, according to above-mentioned principle, detects watermelon 40.Watermelon 40 is placed on base 10 between infrared transmitter 31 and infrared receiver, and then hydraulic cylinder 20 gives the thrust of watermelon 40 1 horizontal directions, and thrust becomes large gradually.Along with becomeing greater to of thrust is identical with the friction force that watermelon 40 is subject to, now watermelon 40 is critical localisations, infrared receiver module receives the infrared ray that infrared transmitting device sends, controller hydraulic control cylinder 20 stops providing thrust, the power that now hydraulic cylinder 20 produces is the friction force that watermelon 40 is subject to, and dynamometer 21 is by this records of values and pass to controller.Watermelon 40 starts to roll along base 10 to refer in groove 14 by the thrust of cylinder, being provided with pressure transducer 30 in groove 14 lower end can pressure suffered by detecting groove 14 signal is passed to controller, and pressure and friction force carry out calculating thus draws the friction factor of watermelon 40 and base 10 and judge that whether watermelon 40 is ripe and signal is passed to display show by controller.Present patent application is detected by the friction factor of side force device and pressure transducer 30 pairs of watermelons 40 and is compared, and accuracy of detection is high, and harmless to watermelon 40.
If groove 14 gravity is G1, watermelon 40 weight is G2, the coefficientoffrictionμ 0 of the raw ripe critical value of watermelon 40, watermelon 40 friction factor is μ 1. thrust is F1, then when controller calculates, the power that pressure transducer 30 detects is F2, then G2=F2-G1, the then coefficientoffrictionμ 1=F1/(F2-G1 of watermelon 40), then compare with μ 0 with μ 1, if μ 1> μ 0, watermelon 40 is immature, if μ 1< μ 0, represent that watermelon 40 is ripe, display lamp is bright.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, and the embodiment in instructions etc. record the content that may be used for explaining claim.
Claims (4)
1. the raw ripe judgment means of watermelon, it is characterized in that, comprise base, pressure transducer, infrared transmitter, infrared receiver module and controller, described infrared transmitter and infrared receiver module are oppositely arranged on both sides, base one end, described base is connected with pressure transducer, described base is provided with infrared transmitter end and is provided with hydraulic cylinder, and the base other end is provided with groove, and described pressure transducer is arranged on groove lower end; Described hydraulic cylinder is connected with dynamometer, and described hydraulic cylinder, dynamometer, pressure transducer are connected with controller respectively with infrared receiver module; Described controller is provided with display.
2. the raw ripe judgment means of watermelon according to claim 1, it is characterized in that, described base both sides are provided with baffle plate.
3. the raw ripe judgment means of watermelon according to claim 2, it is characterized in that, described base is provided with protective shield away from the end of cylinder ends.
4. the raw ripe judgment means of the watermelon according to any one of claim 1-3, is characterized in that, described base is also provided with stop means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510879812.2A CN105466847A (en) | 2015-12-05 | 2015-12-05 | Watermelon maturity judging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510879812.2A CN105466847A (en) | 2015-12-05 | 2015-12-05 | Watermelon maturity judging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105466847A true CN105466847A (en) | 2016-04-06 |
Family
ID=55604783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510879812.2A Pending CN105466847A (en) | 2015-12-05 | 2015-12-05 | Watermelon maturity judging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105466847A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709967A (en) * | 2018-06-20 | 2018-10-26 | 何伟建 | A kind of detection device for Watermelon Maturity and pesticide residue |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58750A (en) * | 1981-06-25 | 1983-01-05 | Mitsubishi Electric Corp | Discriminating device |
| JPH07239320A (en) * | 1994-02-28 | 1995-09-12 | Shizuoka Seiki Co Ltd | Apparatus for judging maturity of fruit and fruit vegetables |
| JPH09236586A (en) * | 1996-02-29 | 1997-09-09 | Norin Suisansyo Tohoku Nogyo Shikenjo | Maturity degree meter of vegetables and fruits |
| CN2554628Y (en) * | 2002-08-03 | 2003-06-04 | 浙江大学 | Hand detecting instrument for ripe of watermelon |
| CN101413928A (en) * | 2008-11-14 | 2009-04-22 | 江苏大学 | Fowl egg crack rapid on-line nondestructive detection device and method based on acoustic characteristic |
| CN102156169A (en) * | 2011-03-08 | 2011-08-17 | 江苏大学 | On-line nondestructive detection method and device for eggshell strength |
| CN102928513A (en) * | 2012-10-31 | 2013-02-13 | 吴新开 | Ultrasonic device for nondestructive examination of watermelon maturity |
| CN203365269U (en) * | 2013-06-17 | 2013-12-25 | 浙江大学 | On-line watermelon density detection device |
| CN203705298U (en) * | 2013-12-17 | 2014-07-09 | 苏州市职业大学 | Ultrasonic specific gravity measuring equipment |
-
2015
- 2015-12-05 CN CN201510879812.2A patent/CN105466847A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58750A (en) * | 1981-06-25 | 1983-01-05 | Mitsubishi Electric Corp | Discriminating device |
| JPH07239320A (en) * | 1994-02-28 | 1995-09-12 | Shizuoka Seiki Co Ltd | Apparatus for judging maturity of fruit and fruit vegetables |
| JPH09236586A (en) * | 1996-02-29 | 1997-09-09 | Norin Suisansyo Tohoku Nogyo Shikenjo | Maturity degree meter of vegetables and fruits |
| CN2554628Y (en) * | 2002-08-03 | 2003-06-04 | 浙江大学 | Hand detecting instrument for ripe of watermelon |
| CN101413928A (en) * | 2008-11-14 | 2009-04-22 | 江苏大学 | Fowl egg crack rapid on-line nondestructive detection device and method based on acoustic characteristic |
| CN102156169A (en) * | 2011-03-08 | 2011-08-17 | 江苏大学 | On-line nondestructive detection method and device for eggshell strength |
| CN102928513A (en) * | 2012-10-31 | 2013-02-13 | 吴新开 | Ultrasonic device for nondestructive examination of watermelon maturity |
| CN203365269U (en) * | 2013-06-17 | 2013-12-25 | 浙江大学 | On-line watermelon density detection device |
| CN203705298U (en) * | 2013-12-17 | 2014-07-09 | 苏州市职业大学 | Ultrasonic specific gravity measuring equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709967A (en) * | 2018-06-20 | 2018-10-26 | 何伟建 | A kind of detection device for Watermelon Maturity and pesticide residue |
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