WO2017113825A1

WO2017113825A1 - Safe chopstick for use in detecting pesticide residue in food

Info

Publication number: WO2017113825A1
Application number: PCT/CN2016/096323
Authority: WO
Inventors: 张贯京
Original assignee: 深圳市纳福信息技术有限公司
Priority date: 2015-12-31
Filing date: 2016-08-23
Publication date: 2017-07-06
Also published as: CN205433161U

Abstract

A safe chopstick for use in detecting pesticide residue in food, comprising a chopstick front extremity part (1) and a chopstick rear extremity part (2). The chopstick rear extremity part (2) employs a hollow structure. A sealing cap (20) is arranged at a tail part of the chopstick rear extremity part (2). A pesticide residue sensor (21), a driving unit (22), and a microcontroller (24) are arranged within the chopstick rear extremity part (2). The pesticide residue sensor (21) and the driving unit (22) are connected onto the microcontroller (24). The pesticide residue sensor (21) and the sealing cap (20) are connected onto the driving unit (22). The driving unit (22) drives the sealing cap (20) to open automatically and drives the pesticide residue sensor (21) to extend automatically from the interior of the chopstick rear extremity part (2). The pesticide residue sensor (21) detects for pesticide residue in the food. When the pesticide residue in the food is greater than a preset detection concentration, the microcontroller (24) generates a piece of excessive pesticide residue reminder information. The safe chopstick effectively prevents a user from accidentally ingesting food having excessive pesticide residue, thus facilitating physical health and safety.

Description

Title: Inventive name: Safety chopsticks for detecting pesticide residues in foods

[0001] The utility model relates to the technical field of food safety detection, in particular to a safety chopstick for detecting a pesticide residue in a food.

Background technique

[0002] In daily life, in order to make vegetables grow vigorously, vegetable farmers use a large amount of pesticides to prevent pest damage, resulting in excessive levels of pesticide residues on vegetables. People are easily poisoned after eating, which threatens people's lives. In recent years, people have paid more and more attention to the problem of pesticide residues in food, and governments have continuously strengthened the detection of pesticide residues in food. The presence of residual pesticides in foods can cause great harm to users' health. The toxins in pesticide residues in foods are not only many types but also highly toxic, most of which are carcinogenic, teratogenic and mutagenic. Therefore, strengthen the food. The detection of pathogenic microorganisms and toxins is essential.

[0003] As a daily necessities, chopsticks are used every day. However, existing chopsticks have an obvious drawback, namely the lack of detection and prompting functions for residual pesticides in food. Therefore, it is necessary to provide a safe chopstick for detecting the amount of pesticide residues in food, which is particularly important today when food safety issues have become a concern.

technical problem

[0004] The main purpose of the utility model is to provide a safety chopstick for detecting the residual amount of pesticides in food, aiming at solving the problem that the existing chopsticks lack the problem of detecting and prompting the pesticide residue in the food. Program

Technical solution

[0005] In order to achieve the above object, the present invention provides a safety chopstick for detecting a pesticide residue in a food, the safety chopstick includes a front end portion of the chopstick and a rear end portion of the chopstick, and the rear end portion of the chopstick adopts a hollow structure. a sealing cover is disposed at a rear end of the rear end portion of the chopstick, and a pesticide residual amount sensor, a driving unit, and a microcontroller are disposed inside the rear end portion of the chopstick, the pesticide residual amount sensor and the driving unit Both are connected to the microcontroller, and the pesticide residue sensor and the sealing cover are both connected to the driving unit, wherein:

[0006] The driving unit is configured to drive the sealing cover to automatically open, and drive the pesticide residual amount sensor to automatically protrude from the inside of the rear end portion of the chopstick;

[0007] the pesticide residue amount sensor is configured to detect a pesticide residue in a food, and send the detected pesticide residue to the microcontroller;

[0008] the microcontroller is configured to compare the detected pesticide residue in the food with the preset detection concentration, and when the pesticide residue in the food is greater than the preset detection concentration, the pesticide residue in the food exceeds the standard Reminder information.

[0009] Preferably, an outer surface of the rear end portion of the chopstick is provided with a speaker connected to the microcontroller

The speaker is used to play a reminder message that the pesticide residue in the food exceeds the standard.

[0010] Preferably, the outer surface of the rear end portion of the chopstick is provided with a communication interface connected to the microcontroller, and the communication interface is used for transmitting the pesticide residue in the food to the user. On the intelligent terminal or on the monitoring equipment of the quality inspection department.

[0011] Preferably, the pesticide residue sensor is an electric current biosensor using an artificial enzyme to measure an organophosphorus insecticide, or a copper wire carbon paste electrode coated with an acetylcholine acetylase Electrode biosensor.

[0012] Preferably, an outer surface of the rear end portion of the chopstick is provided with a power supply connected to the microcontroller

[0013] Preferably, a micro battery is further disposed inside the rear end portion of the chopstick, and the micro battery is connected to the power supply.

[0014] Preferably, the outer surface of the rear end portion of the chopstick is further provided with a charging port, and the charging port is connected to the micro battery.

[0015] Preferably, the safety chopstick further includes a connecting portion that connects the front end portion of the chopsticks and the rear end portion of the chopsticks to form an entire chopstick.

[0016] Preferably, the connecting portion is connected by a detachable thread structure, and one end of the front end portion of the chopstick and one end of the rear end portion of the chopstick are connected by internal threads of the connecting portion.

[0017] Preferably, the front end portion of the chopsticks adopts a solid structure or a hollow structure. Advantageous effects of the invention

Beneficial effect

[0018] Compared with the prior art, the safe chopsticks for detecting pesticide residues in foods can effectively detect the pesticide residues in the food, and prompt the foods that detect the residual pesticides exceeding the standard, thereby Avoid eating foods that have excessive pesticide residues, which is good for your health and safety.

Brief description of the drawing

DRAWINGS

1 is a schematic view showing the overall structure of a preferred embodiment of a safe chopstick for detecting a pesticide residue in a food according to the present invention;

2 is a schematic view showing the internal structure of a preferred embodiment of a chopstick rear end portion of a safety chopstick for detecting a pesticide residue in a food according to the present invention;

3 is a schematic view showing the use state of a preferred embodiment of a safe chopstick for detecting a pesticide residue in a food of the present invention.

[0022] The implementation, functional features, and advantages of the present invention will be further described with reference to the accompanying drawings.

BEST MODE FOR CARRYING OUT THE INVENTION

The specific embodiments, structures, features and functions of the present invention are described in detail below with reference to the accompanying drawings and preferred embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0024] As shown in FIG. 1, FIG. 1 is a schematic view showing the overall structure of a preferred embodiment of a safety chopstick for detecting a pesticide residue in a food of the present invention. In the present embodiment, the safety chopsticks include a chopstick front end portion 1, a chopstick rear end portion 2, and a connecting portion 3 that connects the chopstick tip end portion 1 and the chopstick rear end portion 2 to form an entire chopstick. The connecting portion 3 is connected by a detachable screw structure, and one end of the chopstick front end portion 1 and one end of the chopstick rear end portion 2 are connected by internal threads of the connecting portion 3. When it is necessary to wash the safety chopsticks, the chopstick rear end portion 2 can be detached from the connecting portion 3 to prevent the chopstick rear end portion 2 from entering water and damaging the internal circuit. Components.

[0025] In the embodiment, the front end portion of the chopsticks and the rear end portion of the chopsticks are made of a hard non-toxic plastic material (for example, polyethylene conforming to the standard of tableware) or a lightweight stainless metal. Made of material (for example, metal aluminum, stainless steel, etc.), the user can use the front end portion 1 of the chopsticks as a common chopstick to hold the food. The rear end portion 2 of the chopsticks adopts a solid structure or a hollow structure, and the rear end portion 2 of the chopsticks adopts a hollow structure, and a tail portion of the rear end portion 2 of the chopsticks is provided with a sealing cover 20.

[0026]

As shown in FIG. 2, FIG. 2 is a schematic view showing the internal structure of a preferred embodiment of the chopstick rear end portion of the safety chopstick for detecting the residual amount of pesticides in the food of the present invention. In the present embodiment, the chopstick rear end portion 2 is provided with, but not limited to, a pesticide residue amount sensor 21, a drive unit 22, a power source switch 23, a micro controller 24, a speaker 25, and a communication interface 26. The pesticide residue amount sensor 21, the drive unit 22, the power source switch 23, the speaker 25, and the communication unit 26 are all connected to the microcontroller 24. The pesticide residue sensor 21 is also connected to the drive unit 22, and the sealing cover 20 is connected to the drive unit 22. In the embodiment, the chopstick rear end portion 2 is further provided with a micro battery 27 connected to the power switch 23, and the outer surface of the chopstick rear end portion 2 is provided with a charging port 28. The charging port 28 is connected to the micro battery 27.

[0028] As shown in FIG. 1, the power supply switch 23, the speaker 25, the communication interface 26, and the charging port 28 are disposed on the outer surface of the rear end portion 2 of the chopstick. The organophosphorus insecticide sensor 21, the driving unit 22, the micro controller 24, and the microbattery 27 are disposed inside the rear end portion 2 of the chopstick.

[0029] The pesticide residue amount sensor 21 is an electric current biosensor using an artificial enzyme to measure an organophosphorus insecticide, or an electrode using a copper wire carbon paste electrode coated with an acetylcholine acetylase biological sensor. The current-based biosensor uses an organophosphorus insecticide hydrolase to detect a concentration of 10-7 mol/L of nitrophenol and diethylphenol, and the measurement is carried out at 40 ° C for 4 min. The electrode biosensor uses glutaraldehyde cross-linking method to cure acetylcholine acetate on the surface of the copper wire carbon paste electrode, and can detect the concentration of 10 to 10 mol/L and 10 -l lmol/L of paraoxon. For the direct detection of pesticide residues in food. In the present embodiment, the pesticide residue amount sensor 21 is for detecting a pesticide residue amount in a food, and transmits the detected pesticide residue amount in the food to the microcontroller 24.

[0030] When the power switch 23 is turned on, the driving unit 22 is used to drive the sealing cover 20 to automatically start and drive The pesticide residue amount sensor 21 is automatically extended from the inside of the chopstick rear end portion 2 to measure the amount of pesticide residues in the food.

[0031] The microcontroller 24 is a microprocessor, a micro control unit (MCU), a data processing chip, or a circuit chip having a data control function. The microcontroller 24 is configured to compare the detected pesticide residue in the food with the preset detection concentration. When the pesticide residue in the food is greater than the preset detection concentration, a reminder that the pesticide residue in the food exceeds the standard is generated. The information, and the reminder information that the pesticide residue in the food exceeds the standard is played through the speaker 25 to remind the user that the food with excessive pesticide residue is not consumed. The microcontroller 24 compares the amount of pesticide residue in the food product with a preset detection concentration by means of an embedded comparison circuit.

[0032] when the pesticide residue in the food is greater than a preset detection concentration 吋, the microcontroller 24 sends the pesticide residue in the food to the smart terminal (such as a mobile phone) carried by the user through the communication interface 26 So that the user can accurately understand the information on the pesticide residue in the food in the food, or transfer the pesticide residue in the food to the monitoring equipment of the quality inspection department, so that the quality inspection personnel can exceed the standard of the pesticide residue. Food for food safety inspections. The communication interface 26 can be a wireless communication interface with wireless communication functions (for example, a short-range communication interface such as Bluetooth or WIFI or a remote communication interface).

[0033] The micro battery 27 is used to supply electric energy to all electrical components in the safety chopstick, and the micro battery 27 is a low-radiation, low-power rechargeable lithium battery, which does not affect the health of the user. have influence on. The charging port 28 can be a USB interface or other standard battery charging interface that can be directly plugged into an external power source (e.g., a computer USB interface or a low voltage regulator, etc.) to charge the microbattery 27. When the power of the micro battery 27 is used up, the user can charge the micro battery 27 through the charging port 28, thereby prolonging the life cycle of the safety chopstick.

[0034]

[0035] As shown in FIG. 3, FIG. 3 is a schematic view showing a use state of a preferred embodiment of a safe chopstick for detecting a pesticide residue in a food of the present invention. When the power supply is turned off, the microcontroller 24 controls the driving unit 22 to automatically open the sealing cover 20, and controls the driving unit 22 to drive the pesticide residual amount sensor 21 from the chopsticks. The inside of the end portion 2 is automatically extended, and the user can directly insert the pesticide residue amount sensor 21 into the food to measure the amount of pesticide residues in the food. When the power switch 23 is turned off, the microcontroller 24 controls the drive unit 22 to drive the pesticide residue sensor 21 from the back end of the chopsticks The exterior of the portion 2 is automatically retracted to the inside of the rear end portion 2 of the chopsticks, and the drive unit 22 is controlled to cover the sealing cover 20 with the rear end portion 2 of the chopsticks, thereby preventing the pesticide residue amount sensor 21 from being exposed. The outside of the rear end portion 2 of the chopstick is damaged.

[0036]

The above is only a preferred embodiment of the present invention, and thus does not limit the scope of the patent of the present invention, and the equivalent structure or equivalent function transformation made by the specification and the drawings of the present invention, or directly or indirectly In other related technical fields, the same is included in the scope of patent protection of the present invention.

Embodiments of the invention

As shown in FIG. 1, FIG. 1 is a schematic view showing the overall structure of a preferred embodiment of a safe chopstick for detecting a pesticide residue in a food of the present invention. In the present embodiment, the safety chopsticks include a chopstick tip end portion 1, a chopstick rear end portion 2, and a connecting portion 3 that connects the chopstick tip end portion 1 and the chopstick rear end portion 2 to form an entire chopstick. The connecting portion 3 is connected by a detachable threaded structure, and one end of the front end portion 1 of the chopstick and one end of the rear end portion 2 of the chopstick are connected by the internal thread of the connecting portion 3. When it is necessary to wash the safety chopsticks, the chopstick rear end portion 2 can be detached from the joint portion 3 to prevent the chopstick rear end portion 2 from entering water and damaging the internal circuit components.

[0040] In the embodiment, the front end portion 1 of the chopsticks and the rear end portion 2 of the chopsticks are made of a hard non-toxic plastic material (for example, polyethylene conforming to the standard of tableware) or a lightweight stainless metal. Made of material (for example, metal aluminum, stainless steel, etc.), the user can use the front end portion 1 of the chopsticks as a common chopstick to hold the food. The rear end portion 2 of the chopsticks adopts a solid structure or a hollow structure, and the rear end portion 2 of the chopsticks adopts a hollow structure, and a tail portion of the rear end portion 2 of the chopsticks is provided with a sealing cover 20.

[0041]

[0042] As shown in FIG. 2, FIG. 2 is a chopstick of the chopsticks of the utility model for detecting pesticide residues in foods. A schematic diagram of the internal structure of the preferred embodiment of the end. In the present embodiment, the chopstick rear end portion 2 is provided with, but not limited to, a pesticide residue amount sensor 21, a drive unit 22, a power source switch 23, a microcontroller 24, a speaker 25, and a communication interface 26. The pesticide residue amount sensor 21, the drive unit 22, the power supply switch 23, the speaker 25, and the communication unit 26 are all connected to the microcontroller 24. The pesticide residue amount sensor 21 is also connected to the drive unit 22, and the sealing cover 20 is connected to the drive unit 22. In the embodiment, the chopstick rear end portion 2 is further provided with a micro battery 27 connected to the power switch 23, and the outer surface of the chopstick rear end portion 2 is provided with a charging port 28. The charging port 28 is connected to the micro battery 27.

[0043] As shown in FIG. 1, the power supply switch 23, the speaker 25, the communication interface 26, and the charging port 28 are disposed on the outer surface of the rear end portion 2 of the chopstick. The organophosphorus insecticide sensor 21, the driving unit 22, the micro controller 24, and the microbattery 27 are disposed inside the rear end portion 2 of the chopstick.

[0044] The pesticide residue amount sensor 21 is an electric current biosensor using an artificial enzyme to measure an organophosphorus insecticide, or an electrode using a copper wire carbon paste electrode coated with an acetylcholine acetylase. biological sensor. The current-based biosensor uses an organophosphorus insecticide hydrolase to detect a concentration of 10-7 mol/L of nitrophenol and diethylphenol, and the measurement is carried out at 40 ° C for 4 min. The electrode biosensor uses glutaraldehyde cross-linking method to cure acetylcholine acetate on the surface of the copper wire carbon paste electrode, and can detect the concentration of 10 to 10 mol/L and 10 -l lmol/L of paraoxon. For the direct detection of pesticide residues in food. In the present embodiment, the pesticide residue amount sensor 21 is for detecting a pesticide residue amount in a food, and transmits the detected pesticide residue amount in the food to the microcontroller 24.

[0045] When the power switch 23 is turned on, the driving unit 22 is configured to drive the sealing cover 20 to automatically open, and drive the pesticide residual amount sensor 21 to automatically protrude from the inside of the chopstick rear end portion 2 In order to measure the amount of pesticide residues in food.

[0046] The microcontroller 24 is a microprocessor, a micro control unit (MCU), a data processing chip, or a circuit chip having a data control function. The microcontroller 24 is configured to compare the detected pesticide residue in the food with the preset detection concentration. When the pesticide residue in the food is greater than the preset detection concentration, a reminder that the pesticide residue in the food exceeds the standard is generated. The information, and the reminder information that the pesticide residue in the food exceeds the standard is played through the speaker 25 to remind the user that the food with excessive pesticide residue is not consumed. The microcontroller 24 compares the pesticide residue in the food with the embedded comparison circuit Set the detection concentration for comparison.

[0047] when the pesticide residue in the food is greater than a preset detection concentration 吋, the microcontroller 24 sends the pesticide residue in the food to the smart terminal (such as a mobile phone) carried by the user through the communication interface 26 So that the user can accurately understand the information on the pesticide residue in the food in the food, or transfer the pesticide residue in the food to the monitoring equipment of the quality inspection department, so that the quality inspection personnel can exceed the standard of the pesticide residue. Food for food safety inspections. The communication interface 26 can be a wireless communication interface with wireless communication functions (for example, a short-range communication interface such as Bluetooth or WIFI or a remote communication interface).

[0048] The micro battery 27 is used to supply electric energy to all electrical components in the safety chopstick, and the micro battery 27 is a low-radiation, low-power rechargeable lithium battery, which does not affect the health of the user. have influence on. The charging port 28 can be a USB interface or other standard battery charging interface that can be directly plugged into an external power source (e.g., a computer USB interface or a low voltage regulator, etc.) to charge the microbattery 27. When the power of the micro battery 27 is used up, the user can charge the micro battery 27 through the charging port 28, thereby prolonging the life cycle of the safety chopstick.

[0049]

As shown in FIG. 3, FIG. 3 is a schematic view showing a state of use of a preferred embodiment of a safe chopstick for detecting a pesticide residue in a food of the present invention. When the power supply is turned off, the microcontroller 24 controls the driving unit 22 to automatically open the sealing cover 20, and controls the driving unit 22 to drive the pesticide residual amount sensor 21 from the chopsticks. The inside of the end portion 2 is automatically extended, and the user can directly insert the pesticide residue amount sensor 21 into the food to measure the amount of pesticide residues in the food. When the power switch 23 is turned off, the microcontroller 24 controls the drive unit 22 to drive the pesticide residue amount sensor 21 to automatically shrink from the outside of the chopstick rear end portion 2 to the chopstick rear end portion 2 The inside of the drive unit 22 is controlled to cover the rear end portion 2 of the chopsticks with the sealing cover 20, thereby preventing the pesticide residue amount sensor 21 from being exposed to the outside of the rear end portion 2 of the chopsticks.

[0051]

The above is only a preferred embodiment of the present invention, and thus does not limit the scope of the patent of the present invention, and the equivalent structure or equivalent function transformation made by the specification and the drawings of the present invention, or directly or indirectly In other related technical fields, the same is included in the scope of patent protection of the present invention. Industrial applicability

Compared with the prior art, the safe chopsticks for detecting pesticide residues in foods can effectively detect the pesticide residues in the food, and prompt the foods detecting the residual pesticides to avoid the consumers. Ingestion of foods with excessive pesticide residues is conducive to good health and safety.

Claims

Claim

[Claim 1] A safety chopstick for detecting a residual amount of a pesticide in a food, wherein the safety chopstick includes a front end portion of the chopstick and a rear end portion of the chopstick, and the rear end portion of the chopstick has a hollow structure

a sealing cover is disposed at a rear end of the rear end portion of the chopstick, a pesticide residual amount sensor, a driving unit and a microcontroller are disposed inside the rear end portion of the chopstick, and the pesticide residual amount sensor and the driving unit are both connected to the On the microcontroller, the pesticide residue sensor and the sealing cover are both connected to the driving unit, wherein:

The driving unit is configured to drive the sealing cover to automatically open, and drive the pesticide residual amount sensor to automatically protrude from the inside of the rear end portion of the chopstick;

The pesticide residue amount sensor is configured to detect a pesticide residue in the food, and send the detected pesticide residue amount to the microcontroller;

The microcontroller is configured to compare the detected pesticide residue in the food with the preset detection concentration, and to generate a reminder information that the pesticide residue in the food exceeds the standard when the pesticide residue in the food is greater than the preset detection concentration.

[Claim 2] The safety chopstick for detecting a pesticide residue in a food according to claim 1, wherein an outer surface of the rear end portion of the chopstick is provided with a speaker connected to the microcontroller The speaker is used to play a reminder message that the pesticide residue in the food exceeds the standard.

[Claim 3] The safety chopstick for detecting a pesticide residue in a food according to claim 1, wherein an outer surface of the rear end portion of the chopstick is provided with a communication connected to the microcontroller The interface is configured to send the pesticide residue in the food to the intelligent terminal carried by the user or the monitoring device of the quality inspection department.

[Claim 4] The safety chopstick for detecting a pesticide residue in a food according to claim 1, wherein the pesticide residue amount sensor is a current type organism using an artificial enzyme to measure an organophosphorus pesticide The sensor, or an electrode biosensor coated with a copper wire carbon paste electrode coated with acetylcholine acetylase.

[Claim 5] A safety chopstick for detecting a pesticide residue in a food according to any one of claims 1 to 4.

And characterized in that the outer surface of the rear end portion of the chopstick is provided with a power supply connected to the microcontroller.

[Claim 6] The safety chopstick for detecting a pesticide residue in a food according to claim 5, wherein a micro battery is further disposed inside the rear end portion of the chopstick, and the micro battery is connected to the power source. close.

[Claim 7] The safety chopstick for detecting a pesticide residue in a food according to claim 6, wherein an outer surface of the rear end portion of the chopstick is further provided with a charging port, and the charging port is connected to the On the micro battery.

[Claim 8] A safety chopstick for detecting a pesticide residue in a food according to any one of claims 1 to 4.

Further, the safety chopsticks further include a connecting portion that connects the front end portion of the chopsticks and the rear end portion of the chopsticks to form an entire chopstick.

[Claim 9] The safety chopstick for detecting a pesticide residue in a food according to claim 8, wherein the connecting portion is connected by a detachable thread structure, one end of the front end portion of the chopstick and a chopstick rear end One end of the portion is connected by an internal thread of the connecting portion.

[Claim 10] The safety chopstick for detecting the amount of pesticide residues in the food according to claim 8, wherein the front end portion of the chopsticks has a solid structure or a hollow structure.