Fast detection device for waste cooking oil and detection method of device

A detection device and a technology for scouring oil, applied in the direction of material resistance, etc., can solve the problems of long detection period and complicated operation process, and achieve the effects of simple structure, high measurement accuracy and small volume

Inactive Publication Date: 2013-06-26
XIAN UNIV OF TECH
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a rapid detection device for hogwash oil, which solves the problems of complicated operation process and long detection period in the prior art

Method used

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  • Fast detection device for waste cooking oil and detection method of device
  • Fast detection device for waste cooking oil and detection method of device
  • Fast detection device for waste cooking oil and detection method of device

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Embodiment Construction

[0025] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0026] see figure 1 , the rapid detection device for hogwash oil, including a low-power single-chip microcomputer 1, the single-chip microcomputer 1 is respectively connected with the keyboard 2, impedance analysis chip 3, RS232 serial port 5, power conversion chip 7, and LCD display 9 to form a main control unit, and the impedance analysis chip 3 It is connected with the second electrode 4, the second electrode 4 is connected with the oil product 11 through the second electrode circuit 10, and the RS232 serial port 5 is connected with the upper computer PC6.

[0027] MCU 1 (model STC89LE516AD), ​​keyboard 2, impedance analysis chip 3 (model AD5933), RS232 serial port 5 (serial communication), 3.3V power conversion chip 7 (model LM1117), and LCD display 9 form the main control unit .

[0028] The power conversion chip 7 of the present inven...

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Abstract

The invention relates to a fast detection device for waste cooking oil. The fast detection device comprises a singlechip, wherein the singlechip is connected with a keyboard, an impedance analysis chip, a serial port RS232 (recommend standard 232), a power supply conversion chip and a display respectively to form a main control unit; the impedance analysis chip is connected with two electrodes; the two electrodes are connected with oil products through circuits of the two electrodes; and the serial port RS232 is connected with an upper computer. A detection method of the fast detection device for the waste cooking oil comprises the steps of: putting the to-be-detected oil products into a utensil fixed with the two electrodes; supplying power to the singlechip and the serial port RS232 by the power supply conversion chip, inputting measuring parameters by utilizing the keyboard, writing the parameters into a register of the impedance analysis chip by the singlechip, generating amplitude-constant alternating-current drive signals by the impedance analysis chip to drive the to-be-detected oil products through one electrode, and sending feedback signals back to the impedance analysis chip through the other electrode, thus obtaining measuring data of the oil products; and sending the measuring data of the singchip to the upper computer through the serial port RS232 to be corrected, and sending a final corrected result to the display to be displayed.

Description

technical field [0001] The invention belongs to the field of food safety, and relates to a quick detection device for hogwash oil, and also relates to a detection method of the detection device. Background technique [0002] Hogwash oil, also known as gutter oil, is oil obtained by unscrupulous traders from food and soup leftovers from customers in the catering industry, and then processed through oil-water separation, filtration, and deodorization. Hogwash oil can be toxic to the human body to varying degrees, and poisoning incidents have occurred in many places in China due to consumption of hogwash oil. The emergence of hogwash oil seriously endangers the rights and interests of consumers, and food safety has been paid more and more attention by the government and people. [0003] However, for a long time, due to the lack of convenient, fast and accurate testing instruments for market supervision and law enforcement departments, there have been many conflicts and dispute...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/06
Inventor 杨宇祥李文明
Owner XIAN UNIV OF TECH
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