Non-destructive testing method for sugar content in spherical fruit and device thereof
A non-destructive testing and fruit technology, applied in the direction of material capacitance, etc., can solve the problems of inconvenient testing and low accuracy, and achieve the effects of convenient operation, improved measurement accuracy, and simple and reliable device.
Active Publication Date: 2015-05-20
浙江德菲洛智能机械制造有限公司
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[0004] The purpose of the present invention is to provide a non-destructive detection method and detection device for the sugar content of spherical fruits, so as to solve the defects of inconvenient detection and low precision caused by the contact between the polar plate and the fruit
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[0030] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0031] Such as figure 1 As shown, the present invention is 5 is equipped with two parallel plates 4, the fruit to be tested is placed in a conductive rubber tray 3 and located between the two parallel plates, the first end a of the controller 2 is connected to a parallel plate 4 through a shielded twisted pair 7 , the second end b of the controller 2 is connected to the conductive rubber tray 3 through the shielded twisted pair 7, and the third end c of the controller 2 is connected to the conductive rubber tray 3 through the shielded twisted pair 7 5 connection, the fourth end d of the controller 2 is connected to a parallel plate through the shielded twisted pair 7, the fifth end e and the sixth end f of the controller 2 are respectively connected to the precision capacitance tester 1 through the shielded twisted pair 7 Connection, the controller ...
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The present invention discloses a non-destructive testing method for sugar content in spherical fruit and a device thereof. Two parallel plates are placed in a metal pipe. Tested fruit is located on a conductive rubber tray and between two parallel plates. A controller is respectively connected to the parallel plates, the conductive rubber tray, the metal pipe and a precision capacitance tester. The controller and the precision capacitance tester transfer data through a serial port. By measuring the coaxial capacitance CV between the fruit and the metal pipe, and the equivalent capacitance C between the parallel plates, the sugar content value of the fruit can be calculated according to a given prediction model. The device of the invention is simple and reliable, operation is convenient, cost is low, rapid and non-destructive test of sugar content in fruit is achieved, and noncontact between plate electrodes and fruit eliminates the impact of an air gap and improves the measurement accuracy.
Description
technical field [0001] The invention relates to a non-destructive detection method and detection device for sugar content of fruit, in particular to a non-destructive detection method and detection device for spherical fruit sugar content. Background technique [0002] With the continuous improvement of people's living standards, people pay more and more attention to the internal quality of fruits when they buy fruits. Sugar content is one of the important quality indicators of fruit, and its content directly determines the taste of the fruit, as well as the sales price and sales volume of the fruit. Existing detection methods fall into two categories: destructive testing and nondestructive testing. Destructive detection methods include anthrone colorimetry, probe puncture method, sugar meter or refractometer method. These methods all need to squeeze the fruit in advance to extract the juice for detection, which will cause damage to the appearance of the fruit. At present,...
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IPC IPC(8): G01N27/22
Inventor 王剑平毛建华盖铃
Owner 浙江德菲洛智能机械制造有限公司