CN220305212U

CN220305212U - Handheld honey quality detector based on electrical impedance

Info

Publication number: CN220305212U
Application number: CN202320843589.6U
Authority: CN
Inventors: 许志航; 陈文贵; 秦嘉鸿; 马之琛; 孔德勇
Original assignee: Northwest A&F University
Current assignee: Northwest A&F University
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2024-01-05
Anticipated expiration: 2033-04-14

Abstract

The utility model discloses a handheld honey quality detector based on electrical impedance, which relates to the technical field of honey detection and comprises a shell, wherein a display screen and a plurality of keys are arranged on the shell, an electrode is arranged at the front end of the shell, a temperature sensor is arranged on the electrode, a charging port is arranged at the rear end of the shell, and a control board, an impedance measuring board, a battery and a data memory are arranged inside the shell; the display screen, the keys, the battery, the data memory, the temperature sensor and the impedance measuring board are all connected with the control board through wires; the electrode is connected with the impedance measuring plate through a wire; the impedance measuring board integrates a frequency generator and an analog-to-digital converter; the charging port is connected with the battery through a wire; the charging port is connected with the data memory. The honey quality detection device can efficiently and accurately detect the honey quality in a short time, meets the requirements of people on simple operation and convenient use of the device, is small in size and low in production cost, and has application prospects.

Description

Handheld honey quality detector based on electrical impedance

Technical Field

The utility model relates to the technical field of honey detection, in particular to a handheld honey quality detector based on electrical impedance.

Background

Honey is the earliest dessert used by humans and appears in people's lives as early as possible. However, with the development of technology, a large number of black-heart merchants strive for profits by utilizing the defect that the quality of honey is difficult to detect. In one time, false honey and poor-quality honey are layered in the market, so that the rights and interests of wide consumers are seriously endangered. At the same time, the technology for detecting the quality of honey is continuously innovated.

At present, main detection means of honey quality existing in the market are as follows: optically active detection, pollen-mirror detection, nuclear magnetic resonance detection, etc. However, many detection methods have certain drawbacks: expensive price, huge machine, complex detection process, poor detection effect and the like, so that honey detection is difficult to truly enter into the life of people; aiming at the problems, the utility model provides a handheld honey quality detector based on electrical impedance.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a handheld honey quality detector based on electrical impedance.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the handheld honey quality detector based on the electrical impedance comprises a shell, wherein a display screen and a plurality of keys are arranged on the shell, an electrode is arranged at the front end of the shell, a temperature sensor is arranged on the electrode, a charging port is arranged at the rear end of the shell, and a control board, an impedance measuring board, a battery and a data memory are arranged inside the shell;

the display screen, the keys, the battery, the data memory, the temperature sensor and the impedance measuring board are all connected with the control board through wires;

the electrode is connected with the impedance measuring plate through a wire; the impedance measuring board integrates a frequency generator and an analog-to-digital converter; the charging port is connected with the battery through a wire; the charging port is connected with the data memory.

Further, the display screen adopts an LCD12864 display screen.

Further, the impedance measuring board adopts an AD5933 impedance measuring board, and the AD5933 impedance measuring board integrates a frequency generator and a 12-bit 1MSPS analog-to-digital converter.

Compared with the prior art, the utility model has the beneficial effects that:

the honey quality detection device can efficiently and accurately detect the honey quality in a short time, simultaneously meets the needs of people for simple operation and convenient use of the device, has small size, low cost and wide application prospect.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

fig. 3 is a schematic diagram of a key according to the present utility model.

In the figure: 1 shell, 2 display screen, 3 button, 4 electrode, 5 temperature sensor, 6 charging port, 7 control panel, 8 impedance measurement board, 9 battery, 10 data memory.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model;

referring to fig. 1-3, a handheld honey quality detector based on electrical impedance comprises a housing 1, wherein a display screen 2 and a plurality of keys 3 are arranged on the housing 1, and in the embodiment, the display screen 2 adopts an LCD12864 display screen. As shown in fig. 3, the key 3 includes a "power" key, a "start" key, a "save" key, and a "stop" key.

The front end of the shell 1 is provided with two electrodes 4, one electrode 4 is provided with a temperature sensor 5, the rear end of the shell 1 is provided with a charging port 6, and a control board 7, an impedance measuring board 8, a battery 9 and a data memory 10 are arranged in the shell 1;

the display screen 2, the keys 3, the battery 9, the data memory 10, the temperature sensor 5 and the impedance measuring board 8 are all connected with the control board 7 through wires;

the electrode 4 is connected with the impedance measuring plate 8 through a wire; the impedance measuring board 8 adopts an AD5933 impedance measuring board, and the impedance measuring board 8 integrates a frequency generator and an analog-to-digital converter; in this embodiment, the analog-to-digital converter is a 12-bit, 1MSPS analog-to-digital converter. The charging port 6 is connected with a battery 9 through a wire; the charging port 6 is connected with the data memory 10, and the charging port 6 can be used as an interface for transmitting data.

The working process and working principle of the utility model are as follows:

when the quality of the honey is detected, firstly pouring part of the honey sample into a container, inserting two electrodes 4 of the honey quality detector into the honey sample, and then pressing a start key in a key 3; the temperature sensor 5 on the electrode 4 detects the temperature signal of the honey and transmits the temperature signal to the control board 7 through the electrode 4, the frequency generator integrated by the impedance measuring board 8 generates a signal to excite the electrode 4 to generate complex impedance, the response signal generated by the honey impedance is sampled by the analog-digital converter on the chip and then is processed by the Digital Signal Processor (DSP) through Discrete Fourier Transform (DFT), and the DFT algorithm returns a real part (R) data word and an imaginary part (I) data word on each frequency. And the microcontroller reads the real part and the imaginary part registers through the I2C interface, calculates the impedance modulus value and the phase angle of each frequency point by combining the system gain coefficient, and transmits the impedance information into the control board. And then clicking a 'stop' key in the key 3, reading a mathematical model of the temperature, the impedance and the Baume degree of the honey by the control panel 7, calculating the Baume degree of the honey according to the obtained impedance and temperature information, comparing the Baume degree with the standard Baume degree of the honey to obtain the quality of the honey, finally transmitting the quality information of the honey to the LCD12864 display screen 2, and clicking a 'save' key in the key 3 to store the information into the data memory 10.

The utility model has reasonable structure, compact layout, easy production and manufacture and strong practicability; small size, simple operation, wide application prospect, accurate and efficient measurement and strong endurance.

Claims

1. The utility model provides a handheld honey quality detector based on electrical impedance, includes shell (1), its characterized in that, install display screen (2) and a plurality of button (3) on shell (1), electrode (4) are installed to the front end of shell (1), and install temperature sensor (5) on electrode (4), charge mouth (6) are installed to the rear end of shell (1), the inside control panel (7), impedance measurement board (8), battery (9), data storage (10) that are provided with of shell (1);

the display screen (2), the keys (3), the battery (9), the data memory (10), the temperature sensor (5) and the impedance measuring board (8) are all connected with the control board (7) through wires;

the electrode (4) is connected with the impedance measuring plate (8) through a wire; the impedance measuring board (8) integrates a frequency generator and an analog-to-digital converter; the charging port (6) is connected with a battery (9) through a lead; the charging port (6) is connected with a data memory (10).

2. The electrical impedance-based handheld honey quality detector of claim 1, wherein the display screen (2) is an LCD12864 display screen.

3. The electrical impedance-based hand-held honey quality detector according to claim 1, wherein the impedance measuring plate (8) is an AD5933 impedance measuring plate.