News
-
REFRIGERATOR – TYPES OF DEFROST SYSTEMS
No-Frost / Automatic Defrost: Frost-free refrigerators and upright freezers defrost automatically either on a time-based system (Defrost Timer) or usage-based system (Adaptive Defrost). -Defrost Timer: Measures a pre-determined amount of accumulated compressor running time; usually defrosts eve...Read more -
Sunfull Hanbecthistem—— Obtained the “specialized, refined, and new” small and medium-sized enterprises in Shandong Province in 2022
Recently, the Shandong Provincial Department of Industry and Information Technology announced the list of “specialized, refined, and new” small and medium-sized enterprises in Shandong Province in 2022, and Weihai Sunfull Hanbecthistem Intelligent Thermo Control Co., Ltd. is on the li...Read more -
Optimizing Thermistor-Based Temperature Measurement Systems: A Challenge
This is the first article in a two-part series. This article will first discuss the history and design challenges of thermistor-based temperature measurement systems, as well as their comparison with resistance thermometer (RTD) temperature measurement systems. It will also describe the choice of...Read more -
A toaster from the 70s works better than anything you have
How can a 1969 toaster be better than today’s? It looks like a scam, but it’s not. In fact, this toaster probably cooks your bread better than anything you have right now. The Sunbeam Radiant Control toaster shines like a diamond, but otherwise it can’t compete with current opti...Read more -
Temperature Sensor and the “Overheat Protect” of the Charging Pile
For the new energy car owner, the charging pile has became the essential presence in the life. But since the charging pile product is out of the CCC Mandatory authentication directory, the relative criteria is only recommended, It’s not mandatory, so it may affect the security of the user. ...Read more -
Structural principle and test of Thermostats
In order to control the cooling temperature of refrigeration equipment such as refrigerators and air conditioners and the heating temperature of electric heating devices, thermostats are installed on both refrigeration equipment and electric heating devices. 1. Classification of thermostats (1) C...Read more -
Principle of thermal protector
With the development of science and technology, the demand for electronic products is increasing, and electrical accidents have become common. Equipment damage caused by voltage instability, sudden voltage changes, surges, line aging, and lightning strikes is even more numerous.Therefore, thermal...Read more -
Principle of thermal fuse
A thermal fuse or thermal cutoff is a safety device which open circuits against overheat. It detects the heat caused by the over-current due to short circuit or component breakdown. Thermal fuses do not reset themselves when the temperature drops like a circuit breaker would. A thermal fuse must ...Read more -
Main uses and precautions of NTC thermistor
NTC stands for “Negative Temperature Coefficient”. NTC thermistors are resistors with a negative temperature coefficient, which means that the resistance decreases with increasing temperature. It is made of manganese, cobalt, nickel,copper and other metal oxides as the main materials ...Read more -
Principle and characteristics of refrigerator defrost heater
The refrigerator is a kind of home appliance that we use more often now. It can help us store the freshness of many foods,However,the refrigerator will freeze and frost during the use process, so the refrigerator is generally equipped with a defrost heater. What exactly is defrost heater?Let̵...Read more -
Basic knowledge of electronic wire harness
The wire harness provides an overall set of service equipment for a certain load source group, such as trunk lines, switching devices, control systems, etc. The basic research content of traffic theory is to study the relationship among traffic volume, call loss and wire harness capacity, so wire...Read more -
Application of aluminum foil heater
Aluminum foil heaters are cost-effective and reliable heating solutions, which find crucial applications across industries. The heating element can be composed of PVC or silicone insulated heating wires. The heating wire is placed between two sheets of aluminum foil or heat-fused to a single laye...Read more