CN206443131U - A kind of SCM Based peanut far infrared drying oven - Google Patents

Abstract

The utility model discloses a kind of SCM Based peanut far infrared drying oven, including drying box and control cabinet, the bottom of drying box is provided with pulley, the side lower of drying box is provided with ventilating opening, the outer top of drying box is provided with exhaust outlet, drying box inner top is provided with Temperature Humidity Sensor, top left is provided with interior circulation blower fan, inside is provided with carbon fiber exothermic part, control cabinet is provided with power supply indicator, control cabinet is provided with LCD display, control cabinet is provided with the keyboard switch that control keyboard is powered, control cabinet is used as master controller using AT89C52 single-chip microcomputers, and it is electrically connected with keyboard, LCD display, warning device and interior circulation blower fan, carbon fiber exothermic part is electrically connected with by IGCT and AT89C52 single-chip microcomputers, Temperature Humidity Sensor is used to detect the temperature and humidity in drying box, the data measured are transferred to AT89C52 single-chip microcomputers by amplifying circuit and A/D modular converters, control cabinet is controlled to whole system, LCD display is used for displays temperature, the data such as humidity.

Description

A Far Infrared Drying Oven for Peanuts Based on Single Chip Microcomputer

technical field

The utility model relates to the technical field of application of single-chip microcomputers, in particular to a peanut far-infrared drying oven based on single-chip microcomputers.

Background technique

With the rapid advancement of concentrated peanut harvesting in my country, a large number of pods have accumulated in a short period of time, and the drying field resources are becoming increasingly tense. Therefore, the development of efficient, economical, and high-quality peanut rapid drying technology and equipment that meets my country's current actual production needs has become a national priority. The development of peanut industry is an urgent task to be solved.

Infrared heating and drying uses the principle of electromagnetic radiation heat transfer to directly transfer heat to achieve the purpose of heating and drying objects. It has penetrating power, can heat both inside and outside, does not need heat transfer media, and has good thermal efficiency. The advantages and efficiency of infrared heating, infrared drying and heating methods have been accepted at an astonishing rate of development in recent years, and are actually used at various levels.

Utility model content

In view of the above problems, the utility model aims to provide a far-infrared drying temperature and humidity control system based on a single-chip microcomputer. The control method adopts the PID algorithm, which can be controlled according to the temperature requirements of different regions, and achieves the goals of high efficiency, energy saving and environmental protection. Effectively solve the problems in the background technology.

In order to achieve the above object, the utility model provides the following technical solutions: a peanut far-infrared drying box based on a single-chip microcomputer, including a drying box and a control box, the bottom of the drying box is provided with pulleys, and the lower side of the drying box is provided with Ventilation port, the outer top of the drying box is provided with an exhaust port, the inner top of the drying box is provided with a temperature and humidity sensor, the left top is provided with an internal circulation fan, and the interior is provided with a carbon fiber heating element, and the control box is provided with a power supply indicator light, the control box is provided with an LCD display screen, and the control box is provided with a keyboard switch for controlling the power on of the keyboard. The control box uses the AT89C52 single-chip microcomputer as the main controller, and is electrically connected to the keyboard, LCD display screen, Alarm device and internal circulation fan, the carbon fiber heating element is electrically connected to the AT89C52 single-chip electromechanical through a thyristor, the temperature and humidity sensor is used to detect the temperature and humidity in the drying box, and the measured data is passed through the amplifier circuit and A/D conversion module Transmission to AT89C52 single-chip microcomputer, described control box controls the whole system, and described LCD display screen is used for displaying data such as temperature, humidity.

Preferably, the carbon fiber heating element is a device for heating and heating, and there are chutes between the carbon fiber heating elements, and the tray can be placed in the chute, and the position of the tray can be changed by putting it into the chute at different positions.

Preferably, the internal circulation fan, the air inlet at the lower part of the drying box and the exhaust port at the top make the gas inside the drying box circulate.

Preferably, a handle is provided on the control box.

Compared with the prior art, the beneficial effects of the utility model are: the utility model is based on a single-chip peanut far-infrared drying box, which uses a far-infrared system to dry peanuts, which is faster and more convenient than the traditional way of drying peanuts, and Far-infrared rays can play a role in sterilization and disinfection, saving resources in drying yards. Far-infrared rays are easy to generate and controllable, and have rapid heating, small thermal inertia, no need to warm up, easy temperature control, rapid heating, and relatively safe. The PID control method is used to more accurately control the temperature and humidity in the box, and the moisture content of the peanuts is controlled within a more precise range, and the drying effect is better.

Description of drawings

Figure 1 is a cross-sectional view of the utility model's internal structure.

Fig. 2 is the front view of the utility model.

Fig. 3 is a schematic diagram of the overall structure effect of the utility model.

Fig. 4 is a structural diagram of the control system of the present invention.

In the figure: 1-drying box, 2-chute, 3-tray, 4-carbon fiber heating element, 5-inlet, 6-temperature and humidity sensor, 7-exhaust port, 8-ventilator, 9-fan, 10 -LED light, 11-pulley, 12-air inlet, 13-control box, 14-keyboard button, 15-LCD display, 16-handle.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example:

Please refer to Fig. 1 to Fig. 4, the utility model provides a kind of technical scheme: a kind of peanut far-infrared drying box based on single-chip microcomputer, comprises drying box 1 and control box 13, is characterized in that: the bottom of described drying box 1 is provided with Pulley 11, the lower part of the side of the drying box 1 is provided with a ventilation port, the outer top of the drying box 1 is provided with an exhaust port 7, the inner top of the drying box 1 is provided with a temperature and humidity sensor 6, and the left top is provided with an internal circulation Fan 9, the internal circulation fan 9, the air inlet 12 at the bottom of the drying box 1 and the exhaust port 7 at the top make the gas inside the drying box 1 circulate, and a carbon fiber heating element 4 is arranged inside, and the carbon fiber heating The body 4 is a device for heating and heating. There is a chute 2 between the carbon fiber heating bodies. The tray 3 can be placed in the chute 2, and the chute 2 at different positions can change the position of the tray 3. The control box 13 is provided with a power supply indicator light, and the control box 13 is provided with an LCD display 15, and the control box 13 is provided with a keyboard switch for controlling the power supply of the keyboard, and the control box 13 uses the AT89C52 single-chip microcomputer as the main controller, and Electrically connected to the keyboard, LCD display, alarm device and internal circulation fan, the 1 carbon fiber heating element 4 is electrically connected to the AT89C52 single-chip electromechanical through a thyristor, and the temperature and humidity sensor 6 is used to detect the temperature and humidity in the drying box 1, The measured data is transmitted to AT89C52 single-chip microcomputer by amplifying circuit and A/D conversion module, and described control box 13 controls the whole system, and described LCD display screen 15 is used for displaying data such as temperature, humidity, and described control box 13 There is a handle 16 on it.

Working principle: put the harvested peanuts in the tray 3, put the tray 3 into the chute 2, close the door of the drying box 1, operate on the control box 13, and heat the carbon fiber heating body through the keyboard button 14 The power is set, turn on the power supply of the drying box 1, the drying box 1 starts to run, the carbon fiber heating element 4 starts to generate heat, the temperature in the drying box 1 is raised, the fan 9 and the ventilation fan 8 start to work, and the flow of gas is accelerated, thereby accelerating the drying process of peanuts speed. The temperature and humidity sensor 6 detects the temperature and humidity in the drying box 1, and transmits the detected data to the single-chip microcomputer. The single-chip microcomputer system adopts PID control, which can control the data in the box more accurately. The data detected by the temperature in the drying box 1 is transmitted to the single-chip microcomputer through the amplifying circuit and the A/D conversion device, and compared with the preset data. The voltage delivered to the gate of the thyristor is lowered, and the power to the carbon fiber heating body is varied through the thyristor circuit. So as to achieve the purpose of drying peanuts.

The utility model is based on a single-chip peanut far-infrared drying box, which uses a far-infrared system to dry peanuts, which is faster and more convenient than the traditional way of drying peanuts, and far-infrared rays can play a role in sterilization and disinfection, saving drying field resources. Far-infrared rays are easy to generate and controllable, and have rapid heating, small thermal inertia, no need to warm up, easy temperature control, rapid heating, and relatively safe. The PID control method is used to more accurately control the temperature and humidity in the box, and the moisture content of the peanuts is controlled within a more precise range, and the drying effect is better.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (4)

1. a kind of peanut far-infrared drying box based on single-chip microcomputer, it is characterized in that, comprises drying box (1) and control box (13), it is characterized in that: the bottom of described drying box (1) is provided with pulley (11), The lower side of the drying box (1) is provided with an air vent, the outer top of the drying box (1) is provided with an exhaust port (7), and the inner top of the drying box (1) is provided with a temperature and humidity sensor (6). , the left top is provided with an internal circulation fan (9), the interior is provided with a carbon fiber heating element (4), the control box (13) is provided with a power indicator light, and the control box (13) is provided with an LCD display ( 15), the control box (13) is provided with a keyboard switch for controlling the energization of the keyboard, and the control box (13) uses the AT89C52 single-chip microcomputer as the main controller, and is electrically connected to the keyboard, LCD display screen, alarm device and internal circulation Fan, the carbon fiber heating element (4) is electrically connected with the AT89C52 single-chip electromechanical through a thyristor, and the temperature and humidity sensor (6) is used to detect the temperature and humidity in the drying box (1), and the measured data is passed through the amplifier circuit and A The /D conversion module is transmitted to the AT89C52 single-chip microcomputer, the control box (13) controls the whole system, and the LCD display screen (15) is used to display data such as temperature and humidity. 2. a kind of peanut far-infrared drying oven based on single-chip microcomputer according to claim 1, is characterized in that, described carbon fiber heating element (4) is the device that heats up, is provided with chute ( 2), the tray (3) can be put into the chute (2), put into the chute (2) at different positions, the position of the tray (3) can be changed. 3. a kind of peanut far-infrared drying box based on single-chip microcomputer according to claim 1, is characterized in that, the air inlet (12) of described inner circulation blower fan (9) and described drying box (1) bottom and top The exhaust port (7) circulates the gas inside the drying box (1). 4. a kind of peanut far-infrared drying oven based on single-chip microcomputer according to claim 1, is characterized in that, described control box (13) is provided with a handle (16).