Design of temperature and humidity detection module with positioning function

Objective To investigate the clinical effectiveness of an intelligent shell temperature control system in deep tumor hyperthermia for controlling the temperature in the outer shell of chest and abdominal malignancies. Methods From 2015 to 2016, a randomized comparative study was carried out in the intelligent temperature control system (experimental group containing 37 patients with chest tumor and 26 patients with abdominal tumor) and conventional cooling by replacement of water bags (control group containing 37 patients with chest tumor and 25 patients with abdominal tumor) for chest and abdominal tumor hyperthermia. The effectiveness in controlling the outer shell temperature was compared between the two methods. Results In the experimental group, the first boot of the cooling system occurred at 24.1 and 21.8 minutes on average after the hyperthermia started and the average number of system boots was 2.5. In the control group, patients reminded to replace the water bag at 33.1 and 33.8 minutes on average after the hyperthermia started and the average number of replacements was 3.6. The highest outer shell temperature in patients with chest tumor and abdominal tumor averaged 38.5 and 39.1 ℃ at the first boot of the cooling system in the experimental group and 39.3 and 40.4 ℃ at the first replacement of the cooling water bag in the control group, respectively. The treatment with and without the intelligent temperature control system caused grade ≥Ⅱ empyrosis in 1 and 4 patients with chest tumor and in 0 and 3 patients with abdominal tumor, respectively. Conclusions In deep tumor hyperthermia, compared with the conventional cooling by replacement of water bags, the intelligent shell temperature control system can detect and cool the high-temperature zone in the outer shell at an earlier time, which effectively reduces the incidence of skin burn injury. Key words: Deep hyperthermia; Scalded skin; Temperature control

In industrial production, temperature and humidity are common main manipulated parameters, especially in heat treatment industry, the temperature control is becoming more and more important. This paper from two aspects that hardware and software introduced single-chip microcomputer (SCM) C8051F intelligent temperature and humidity control system, and described schematic diagram of hardware and software. The design adds the integration of carbon dioxide concentration and light intensity detection and necessary communication function. It is a more humanized and more practical intelligent temperature and humidity measurement and control system.

This paper studies an embedded monitoring system centered on ZigBee technology to realize real-time temperature and humidity monitoring, and to ensure low power consumption, high reliability, low cost, and collection of environmental information. The communication is designed using the star topology, and the whole network structure is composed of a master node and three sensor receiving nodes to realize the unlimited transmission of network data. The main control point is to determine the coordination of the scope of the ZigBee network configuration system. The ZigBee network can communicate with the host through the data port to realize the acceptance of temperature and humidity data and the sending of commands. Based on this research, this paper determines the impact of non-target parameters on the actual measurement data of the multipoint temperature and humidity sensor, and at the same time determines the key influencing factors. For HMP-45D multipoint temperature and humidity, an improved genetic algorithm (GA) combined with a support vector machine (SVM) is used to compensate humidity and temperature data, which is designed to affect the actual measurement error of the multipoint temperature and humidity sensor. This paper studies the silver forging process, compares the environmental factors of silver carving, further puts forward the control strategy of Hagoun product forging and carving environment control from the perspective of temperature and humidity, and designs the environmental temperature and humidity measurement and control system from the perspective of temperature and humidity control. The system design proposed in this paper is mainly to construct and apply the silverware forging and engraving environment temperature and humidity measurement and control system on the basis of integration and maintenance-free and verify the effectiveness and feasibility of the system in the protection of cultural relics.

For hen breeders, hatching eggs in large quantities is a production problem, when they are incubated by hens. This paper describes the development of an intelligent system for a hen egg incubator. This incubation system, based on Arduino, LabVIEW, Google Firebase and MIT App Inventor can control temperature, humidity and egg rotation automatically. In addition, the system can help farmers to monitor the intelligent incubator remotely. Successful hatched hen eggs are typically around 87.55%, 0.41 % hatched defectively, 1.84% hatched but die at birth, and 10.20 % not hatched, so an intelligent temperature and humidity control system can improve the successful hatching rate. The objective of this system is not to offer it for sale, but to make it available for researchers and farmers so that they can replicate it and carry out experiments. In order to do this, the system was kept as simple as possible.

Budidaya jamur kuping adalah salah satu sumber pangan yang baru. Budidaya ini memerlukan sistem pengendalian suhu dan kelembaban yang tepat untuk menghasilkan kualitas jamur kuping yang baik. Sekarang ini sudah banyak sistem pengendali suhu dan kelembaban untuk jamur baik secara manual ataupun otomatis, namun masih banyak kekurangannya seperti pemakaian alat yang mahal, kurang praktis perakitannya, dan pengoprasiannya tidak mudah. Penelitian ini bertujuan merancang dan membuat prototipe suatu sistem pengendali suhu dan kelembaban untuk budidaya jamur kuping yang lebih baik dari sistem-sistem pengendali yang sebelumnya. Metode penelitian ini dilakukan melalui 2 tahap utama yaitu perancangan konseptual dan perancangan alat dan sistem. Tahap perancangan konseptual meliputi identifikasi kebutuhan, perancangan sistem, dan pemilihan komponen. Tahap selanjutnya adalah penerapan alat dan sistem yang meliputi rangkaian mikrokontroler, sensor, alat pemanas, alat pendingin, perancangan sirkuit elektronik, hardware, pemrograman alat dan terakhir perakitan alat. Penelitian ini menghasilkan prototipe alat pengatur temperatur dan kelembaban dengan menggunakan mikrokontroler ATmega16, yang mampu meningkatkan kecepatan respon sistem pengendali temperatur pada budidaya jamur yang dilakukan secara otomatis, mudah dalam pengoperasian pengendali, praktis perakitannya, memiliki kemampu-rawatan yang mudah, dan memperbaiki realibilitas sistem terdahulu yang mana masih dilakukan secara manual. Alat pengatur temperatur dan kelembaban ini dapat membantu setiap petani jamur kuping baik yang sudah terlatih maupun belum. Hasil pemakaian alat ini dapat meningkatkan produktivitas hasil panen.

With the continuous increase of voltage class and the rapid development of electrical equipment, we need to design a new kind of intelligent high voltage and high value resistors standard metering device which can be used to a much larger range to complete daily verification work. Based on MSP430 single-chip microcomputer, this paper designed the temperature and humidity control module and the high voltage measurement module that the measuring range can be automatically switched. By using this standard device, the measurement of voltage and resistance can reach separately to 10 kV and 200GΩ. At last by measuring the voltages and resistances and testing the temperature and humidity control system, it has indicated that the high voltage and high value resistors standard metering device in this paper meets the requirements.

Accordance with the high Precision control problem of constant temperature and humidity air-conditioning system of wine storage of large underground cellar and based on the cellar building construction features and the reasonable allocation of ducts and valves., this paper proposes the distributed intelligent temperature and humidity PLC control solution and designs a remote monitoring system and gives the test results. Actual operating results show that the use of distributed PLC control constant temperature and humidity control system with high efficiency, low energy consumption, remote operation of the file, and meet the environmental requirements of various types of wine storage.

Temperature and humidity control system in a lunar base

Aiming at the flue-curing barn status quo in Guizhou tobacco growing area, the experiment on rebuilding the traditional flue-curing barn into bulk curing barn was conducted. Maintaining the main structure and draft system of original down draught barn, two single phase axial flow fans, a set of automatic temperature and humidity control system were installed, the stove and flue area were enlarged, and a partition was erected. The rebuilt barn features forced hot air circulation and automatic temperature and humidity control, each barn can accomodate 2000-2300kg of green leaf, the loading density reaches 54.13-70.38kg/m3.

Crackers are one of the traditional foods in Indonesia which now has many home industries to produce it. There are 3 ways of drying, including traditional, modern, and hybrid. In the study of designing a temperature and humidity control system using the PID method on a trush burner cracker dryer, it was carried out in a modern way, with the materials needed for design, plastic waste, Arduino Uno, DHT11 sensor, oven, boiler, and pump. From the test results, the maximum water pipe testing was carried out at a temperature of 53 o C, the maximum drying room temperature was 45 o C, and the maximum boiler temperature was 56 o C. The function of the temperature and humidity control system on the trush burner type cracker dryer helps dry crackers practically in rainy season conditions

Oyster mushroom is one type of mushroom that is commonly consumed by Indonesian people which is relatively easy to cultivate. It can produce the optimum fruit body at temperatures below 30°C, the range of humidity is 60–90% with altitudes between 500–1000 meters above sea level. This paper describes on the development of the prototype of temperature and humidity control system in oyster mushroom cultivation using a fuzzy logic controller. The prototype comprises of DHT11 sensor for detecting temperature and humidity, Arduino microcontroller, mistmaker, and cooling fan. Fuzzy logic controller is installed in the Arduino microcontroller to generate an actuating signal for the mistmaker and cooling fan based on fuzzy inputs. The whole fuzzy system is designed using two inputs namely temperature and humidity with each input consist of three fuzzy sets with the triangular membership function. Meanwhile, the output variable is the speed of cooling fan with three fuzzy sets and triangular membership functions. A Mamdani inference system is adopted to achieve the control objective in the whole system. Based on the appropriate rule bases, fuzzy logic controllers are designed to produce the temperature and humidity setpoint around 27°C and 60–90 % respectively. Experimental results show the time response to achieve the setpoint span from 1 minute 27 seconds until 8 minutes 10 seconds.

The leather industry is one of the small and medium industries that is experiencing rapid development in the Indonesian region. Even so, various problems apply to this business. One of them is related to the care that needs to be done on the leather which requires it to be stored in a place with a controlled temperature and environment because it tends to become a place for fungi growth. It is necessary to create an appropriate solution to help the problems that support the leather industry. e-Fungi will work as a system that can measure and control the temperature and humidity of a storage room for basic leather ingredients or products produced in real time. Also, the system will help and provide information about goods stock. This system will use DHT11 as a temperature and humidity sensor, bulb and DC fan as a temperature and humidity control system, an infrared sensor as a system for managing the number of goods, and the NodeMCU board module which will all be controlled using Arduino integrated via ThingSpeak. The results of system testing in the management of the number of goods have an accuracy value of 100% and the temperature and humidity sensor section has an accuracy of 95%. Meanwhile, the sending and reading of data by ThingSpeak web has a delay of 8.4 seconds and the percentage of error in the data transmission process is 4.7%.

Aiming at the problems of low degree of intelligence and insufficient remote interaction ability of the traditional electric control box temperature control system, this study designs and implements an intelligent temperature control system based on STM32 microcontroller for the Internet of Things (IoT). The system adopts a multi-channel sensor fusion scheme, through the fixed point of multiple DS18B20 temperature sensors to build a distributed temperature measurement network, combined with the sound to determine the equipment failure method to achieve the intelligence of the temperature control system. A dual-channel power driver module was designed at the hardware level, with cooperative control of the heat source power and the AC fan. At the software level, an IoT architecture based on MQTT protocol was developed to realize real-time uploading of data to the built cloud platform and remote interaction through mobile APP to realize temperature regulation and control in the electric control box. The fan speed and the power of the heat source are adjusted in time according to the change of temperature in the real-time temperature control cabinet to ensure that the temperature in the temperature control cabinet remains constant. The content of this study helps to provide assistance in designing temperature control systems in the Internet of Things.

The quality of tobacco baking is one of the important factors affecting the economic benefits of tobacco enterprises. Because of the low efficiency of traditional manual baking methods and the poor quality of tobacco, the economic benefits of tobacco enterprises and tobacco farmers are also greatly affected. In view of this, this research takes the temperature and humidity control as the research object, and proposes an agricultural intelligent tobacco house temperature and humidity controller based on STM32. Firstly, the general design scheme, hardware circuit design scheme and software design scheme of the control system are described, in which the human-machine interface circuit design of the hardware circuit design is emphatically analysed, and finally, the design of this research is applied The agricultural intelligent temperature and humidity controller measures the temperature and humidity of the flue-cured tobacco house, and verifies the control effect. The results show that the temperature control accuracy based on STM32 is significantly higher than that of traditional control method, which is conducive to the improvement of tobacco baking quality. It is hoped that this study can provide a significant reference for the research of temperature and humidity control in tobacco industry in China.

This research aimed to design a control and monitoring system of temperature and humidity in a mushroom kumbung miniature using internet-based Wemos D1 microcontroller, controlling temperature and humidity during mushroom growth, and measuring the rate of growth and development of fungi. This study used an experimental method in Tanjung Karang Permai Sub-District, Sekarbela District, Mataram City. Research data were analyzed using Ms. Excel application. The results of DHT11 temperature sensor calibration on hygrometer with warm water showed a linear equation of y = 1.0402 x – 0.1423 and R² = 0.9905. Calibration using cold water showed linear equation of y = 1.081x – 1.7457 and R² = 0.973. Whereas humidity calibration using hygrometer showed linear equation of y = 1.1203x – 8.3253 and R² = 0.8606. MAPE for warm water was 3.58% and for cold water was 3,48%. Whereas MAPE for RH was 0.082%. The temperature and humidity control system was tested at setting point temperature of 28°C and humidity of 85%. The test results showed that mushrooms without control system were yellowish, dry, and hard texture. Whereas with treatment, the fungus appeared white, wet, and soft texture. The number of mushrooms with treatments were higher and grew more evenly compared with without treatment. Based on the results of the study it can be concluded that the control system could regulate temperature and humidity inside mushroom kumbung also could monitor them through mobile phones with Blynk application.