WO2017113828A1

WO2017113828A1 - Smart chopstick for use in detecting sulfite content in food

Info

Publication number: WO2017113828A1
Application number: PCT/CN2016/096376
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: CN205321996U

Abstract

A smart chopstick for use in detecting the sulfite content in food, comprising a chopstick front extremity part (1) and a chopstick rear extremity part (2). A sealing cap (20) is arranged at a tail part of the chopstick rear extremity part (2). A sulfite sensor (21), a driving unit (22), and a microcontroller (24) are arranged within the chopstick rear extremity part (2). An indicator light (25) is arranged on the outer surface of the chopstick rear extremity part (2). The sulfite sensor (21), the driving unit (22), and the indicator light (25) are connected to the microcontroller (24). The sulfite sensor (21) and the sealing cap (20) are connected to the driving unit (22). The driving unit (22) is used for driving the sealing cap (20) to open automatically and for driving the sulfite sensor (21) to extend automatically from the interior of the chopstick rear extremity part (2). The sulfite sensor (21) is used for detecting the sulfite content in the food. When the sulfite content in the food is greater than a preset detection concentration, the microcontroller (24) controls the indicator light (25) to emit a flashing light. The smart chopstick is capable of preventing a user from accidentally ingesting food having excessive sulfite content, thus favoring physical health and safety.

Description

Description: Inventive name: Intelligent chopsticks for detecting sulfite content in foods

[0001] The utility model relates to the technical field of food safety detection, in particular to an intelligent chopstick for detecting sulfite content in food.

Background technique

[0002] Food additives are compound substances or natural substances added to foods for the purpose of improving the color, aroma, taste and the like of foods, and for the purpose of antiseptic and processing processes. In food production, sulfites are commonly used as bleaching agents and preservatives in the food industry. Common symptoms that are most likely to be caused by people taking foods or beverages that contain excessive amounts of sulfite include difficulty breathing, shortness of breath, asthma and coughing. People with asthma, or allergic reactions to acetylsalicylic acid and aspirin should try to avoid foods that contain sulfites, otherwise there is a risk of needing first aid. Although rare, high levels of sulfite can cause death. For healthy people who are sensitive to substances, sulfite may cause adverse reactions such as rash, nausea and chest pain. Therefore, it is important to strengthen the detection of sulfite content in foods or beverages.

[0003] As a daily necessities, chopsticks are used every day. However, existing chopsticks have an obvious drawback, namely the lack of detection and prompting of sulfite content in food. Therefore, it is necessary to provide a smart chopstick for detecting the sulfite content in foods, which is particularly important today in the issue of food safety.

technical problem

[0004] The main object of the present invention is to provide an intelligent chopstick for detecting sulfite content in food, aiming at solving the defects of the existing chopsticks lacking the function of detecting and prompting the sulfite content in the food.

Problem solution

Technical solution

[0005] In order to achieve the above object, the present invention provides an intelligent chopstick for detecting a sulfite content in a food, the smart chopsticks including a front end portion of the chopstick and a rear end portion of the chopstick, and the rear end portion of the chopstick is hollow a structure, a rear end of the chopstick rear end portion is provided with a sealing cover, and an inner portion of the rear end portion of the chopstick is provided a sulfite sensor, a driving unit, and a microcontroller, wherein an outer surface of the rear end portion of the chopstick is provided with an indicator light, and the sulfite sensor, the driving unit and the indicator light are both connected to the microcontroller, A sulfite sensor and a sealing cover are both connected to the drive unit, wherein:

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

[0007] the sulfite sensor is used to detect the sulfite content in the food, and send the detected sulfite content to the microcontroller;

[0008] The microcontroller is configured to compare the sulfite content in the detected food with a preset detection concentration

And when the sulfite content in the food is greater than a preset detection concentration, the indicator light is controlled to emit light to remind the user that the sulfite content in the food consumed exceeds the standard.

[0009] Preferably, an 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 sending the sulfite content in the food to the user. Carrying on the smart terminal.

[0010] Preferably, the sulfite sensor is a current-type sulfur dioxide sulphide electrode sensor made of a sulfite oxidase as a sensitive material.

[0011] Preferably, the indicator light is an LED indicator light.

[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 smart 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.

[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

Compared with the prior art, the intelligent chopsticks for detecting the sulfite content in the food according to the present invention adopts the above technical solutions, and achieve the following technical effects: The sulfite content in the food can be conveniently and effectively detected. And to prompt the detection of foods with excessive sulfite content, so as to avoid eating foods with excessive sulfite content, which is beneficial to health and safety.

Brief description of the drawing

DRAWINGS

1 is a schematic view showing the overall structure of a preferred embodiment of an intelligent chopstick for detecting sulfite content in a food of the present invention;

2 is a schematic view showing the internal structure of a preferred embodiment of a chopstick rear end portion of an intelligent chopstick for detecting a sulfite content in a food according to the present invention;

3 is a schematic view showing the use state of a preferred embodiment of the intelligent chopstick for detecting the sulfite content in the 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 overall structural view of a preferred embodiment of an intelligent chopstick for detecting sulfite content in a food of the present invention. In the present embodiment, the smart 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 smart 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]

[0027] 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 intelligent chopstick for detecting the sulfite content 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 sulfite sensor 21, a drive unit 22, a power supply switch 23, a microcontroller 24, and a communication interface 26. The sulfite sensor 21, the drive unit 22, the power supply switch 23, the indicator light 25, and the communication unit 26 are all connected to the microcontroller 24. The sulfite sensor 21 is also coupled to the drive unit 22, and the seal cover 20 is coupled to the drive unit 22.

[0028] In the embodiment, the outer surface of the rear end portion 2 of the chopsticks is provided with an indicator light 25, which is an LE D indicator. The chopstick rear end portion 2 is further provided with a micro battery 27 connected to the power switch 23, and an outer surface of the chopstick rear end portion 2 is further provided with a charging port 28, the charging port 28 Connected to the microbattery 27.

[0029] As shown in FIG. 1, the power supply switch 23, the indicator light 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 sulfite sensor 21, the drive unit 22, the microcontroller 24, and the micro battery 27 are disposed inside the rear end portion 2 of the chopstick.

[0030] The sulfite sensor 21 is a current-type sulphur sulphide electrode sensor made of a sulfite oxidase as a sensitive material, and can be used for determining the sulfite content in a food or beverage, and the linear range of the measured concentration It is 0~64 mol/L (mol/L). In the present embodiment, the sulfite sensor 21 is used to detect the sulfite content in the food, and the sulfite content in the detected food is sent to the microcontroller 24.

[0031] When the power supply is turned on, the driving unit 22 drives the sealing cover 20 to automatically open, and drives the sulfite sensor 21 to automatically extend from the inside of the rear end portion 2 of the chopsticks. In order to measure the sulfite content in the food.

[0032] The microcontroller 24 is a microprocessor, a micro control unit (MCU), a data processing chip, or A circuit chip with data control functions. The microcontroller 24 is configured to compare the sulfite content in the detected food with a preset detection concentration (for example, 10 mg/L), when the sulfite content in the food is greater than a preset detection concentration, The indicator light 25 is controlled to emit light to remind the user that the sulfite content in the food consumed exceeds the standard. The microcontroller 24 compares the sulfite content in the food product to a predetermined detection concentration via an embedded comparison circuit.

[0033] when the sulfite content in the food product is greater than a preset detection concentration 吋, the microcontroller 24 transmits the sulfite content in the food product to the user's carry-on intelligence through the communication interface 26 a terminal (such as a mobile phone) for the user to accurately know the sulfite content information in the food in the food, or to transfer the sulfite content in the food to the monitoring equipment of the quality inspection department for the quality inspection personnel Food safety inspection of foods with excessive sulfite content. 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).

[0034] The micro battery 27 is used to supply electric energy to all electrical components in the smart chopsticks, 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 to extend the life cycle of the smart chopsticks.

[0035]

[0036] As shown in FIG. 3, FIG. 3 is a schematic view showing the use state of a preferred embodiment of the intelligent chopstick for detecting the sulfite content in the 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 sulfite sensor 21 from the chopsticks. The interior of the end 2 is automatically extended so that the user can measure the sulfite content in the food using the sulfite sensor 21. When the power switch 23 is turned off, the microcontroller 24 controls the drive unit 22 to drive the sulfite 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 sulfite sensor 21 from being exposed to the outside of the rear end portion 2 of the chopsticks. [0037]

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the patents of the present invention. Any equivalent structure or equivalent function transformation, or direct or indirect use, may be made by using the description of the present invention and the contents of the drawings. 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 an intelligent chopstick for detecting sulfite content in a food of the present invention. In the present embodiment, the smart chopsticks include a chopstick front end portion 1, a chopstick rear end portion 2, and a connecting portion 3 that connects the chopstick front 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 smart 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.

[0041] In the embodiment, the front end portion 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.

[0042]

[0043] 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 intelligent chopstick for detecting the sulfite content 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 sulfite sensor 21, a drive unit 22, a power supply switch 23, a microcontroller 24, and a communication interface 26. The sulfite sensor 21, the driving unit 22, the power switch 23, the indicator light 2 Both 5 and communication unit 26 are coupled to microcontroller 24. The sulfite sensor 21 is also connected to the drive unit 22, and the sealing cover 20 is connected to the drive unit 22.

[0044] In the embodiment, the outer surface of the rear end portion 2 of the chopstick is provided with an indicator light 25, and the indicator light 25 is LE

D indicator light. A micro battery 27 is further disposed inside the rear end portion 2 of the chopstick. The micro battery 27 is connected to the power switch 23, and the outer surface of the rear end portion 2 of the chopstick is further provided with a charging port 28, the charging port.

28 is connected to the micro battery 27.

[0045] As shown in FIG. 1, the power supply switch 23, the indicator light 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 sulfite sensor 21, the drive unit 22, the microcontroller 24, and the micro battery 27 are disposed inside the rear end portion 2 of the chopstick.

[0046] The sulfite sensor 21 is a current-type sulphur sulphide electrode sensor made of a sulfite oxidase as a sensitive material, and can be used for determining the sulfite content in a food or beverage, and the linear range of the measured concentration It is 0~64 mol/L (mol/L). In the present embodiment, the sulfite sensor 21 is used to detect the sulfite content in the food, and the sulfite content in the detected food is sent to the microcontroller 24.

[0047] when the power switch 23 is turned on, the driving unit 22 drives the sealing cover 20 to automatically open, and drives the sulfite sensor 21 to automatically extend from the inside of the rear end portion 2 of the chopsticks. In order to measure the sulfite content in the food.

[0048] 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 sulfite content in the detected food with a preset detection concentration (for example, 10 mg/L), when the sulfite content in the food is greater than a preset detection concentration, The indicator light 25 is controlled to emit light to remind the user that the sulfite content in the food consumed exceeds the standard. The microcontroller 24 compares the sulfite content of the food product to a predetermined detected concentration by an embedded comparison circuit.

[0049] when the sulfite content in the food product is greater than a preset detection concentration 吋, the microcontroller 24 transmits the sulfite content in the food product to the user's carry-on intelligence through the communication interface 26. a terminal (such as a mobile phone) for the user to accurately know the sulfite content information in the food in the food, or to transfer the sulfite content in the food to the monitoring equipment of the quality inspection department for the quality inspection personnel Food safety inspection of foods with excessive sulfite content. The communication interface 26 can be a A wireless communication interface with wireless communication functions (such as a short-range communication interface such as Bluetooth or WIFI or a remote communication interface).

[0050] The micro battery 27 is used to supply electric energy to all electrical components in the smart chopsticks, 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 to extend the life cycle of the smart chopsticks.

[0051]

As shown in FIG. 3, FIG. 3 is a schematic view showing the use state of the preferred embodiment of the intelligent chopstick for detecting the sulfite content in the 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 sulfite sensor 21 from the chopsticks. The interior of the end 2 is automatically extended so that the user can measure the sulfite content in the food using the sulfite sensor 21. When the power switch 23 is turned off, the microcontroller 24 controls the drive unit 22 to drive the sulfite 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 sulfite sensor 21 from being exposed to the outside of the rear end portion 2 of the chopsticks.

[0053]

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

Claims

Claim

[Claim 1] A smart chopstick for detecting a sulfite content in a food, wherein the smart chopsticks include a front end portion of the chopsticks and a rear end portion of the chopsticks, and the rear end portion of the chopsticks adopts a hollow structure, a sealing cover is disposed at a rear end of the rear end portion of the chopstick, a sulfite sensor, a driving unit and a microcontroller are disposed inside the rear end portion of the chopstick, and an outer surface of the rear end portion of the chopstick is provided with an indicator light. A sulphate sensor, a drive unit and an indicator light are both connected to the microcontroller, the sulfite sensor and the sealing cover being connected to the drive unit, wherein:

The driving unit is configured to drive the sealing cover to automatically open, and drive the sulfite sensor to automatically extend from the inside of the rear end of the chopstick;

The sulfite sensor is for detecting a sulfite content in the food, and transmitting the detected sulfite content to the microcontroller;

The microcontroller is configured to compare the sulfite content in the detected food with a preset detection concentration, and control the indicator light to emit light when the sulfite content in the food is greater than a preset detection concentration To remind users that the sulfite content in the food they eat exceeds the standard.

[Claim 2] The smart chopstick for detecting sulfite content in a food according to claim 1, wherein an outer surface of the rear end portion of the chopstick is further provided with a connection to the microcontroller The communication interface is configured to send the sulfite content in the food to the smart terminal carried by the user.

[Claim 3] The smart chopstick for detecting sulfite content in a food according to claim 1, wherein the sulfite sensor is made of a sulfite oxidase as a sensitive material. Current-type sulfur dioxide enzyme electrode sensor.

[Claim 4] The smart chopstick for detecting the sulfite content in a food according to claim 1, wherein the indicator light is an LED indicator.

[Claim 5] The smart chopstick for detecting the sulfite content in the food according to any one of claims 1 to 4, wherein the outer surface of the rear end portion of the chopstick is further provided with a connection to the same The power supply on the microcontroller is turned off.

[Claim 6] The smart chopstick for detecting the sulfite content in the 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 up.

[Claim 7] The smart chopstick for detecting the sulfite content in the food according to claim 6, wherein 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 On the micro battery.

[Claim 8] The smart chopstick for detecting sulfite content in a food according to any one of claims 1 to 4, wherein the smart chopstick further comprises a front end portion of the chopstick and a chopstick The ends are connected together to form a joint portion of the entire chopsticks.

[Claim 9] The smart chopstick for detecting the sulfite content in the 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 the chopstick One end of the end is connected by an internal thread of the connecting portion.

[Claim 10] The smart chopstick for detecting the sulfite content in a food according to claim 8, wherein the front end portion of the chopstick is a solid structure or a hollow structure.