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06/14/2020

Do you know the working principle and advantages of the ground source heat pump

Do you know the working principle and advantages of the ground source heat pump What is a ground source heat pump?

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

09/05/2020

You deserve to have super detailed information on the world's nine famous bearing brands!

1.Overview of SKF The full name of SKF is "Svenska Kullager-Fabriken". The Chinese transliteration name is "SKF" 　　 Location of company headquarters: Gothenburg, Sweden;

08/25/2020

For an air conditioner with a heating power of 1390W+1050W, what is the power consumption for 1 hour of heating

Time flies, the air conditioner has just been out of service for two months, and it’s time to start using it again. With air-conditioning, our biggest concern is power consumption. After all, everyone is not rich.

09/11/2020

Noise analysis and treatment of air compressor

Noise analysis and treatment of air compressor A compressor manufacturer's statement: The noise level guarantee is +3dBA, which means that its noise level will be twice or one half of the declared noise level.

07/30/2020

What should I do before the air conditioner is turned on for the first time when I encounter the new crown virus in summer?

In a live broadcast last night, Dr. Zhang Wenhong stated that China’s epidemic prevention and control has done a good job. When people wear masks, the probability of contracting the new crown virus is very small.

08/21/2020

How to choose the right air conditioner People from the Consumer Protection Committee give advice

As the weather gets hotter, air conditioners are beginning to sell well. Faced with the various types and multi-functional air conditioners on the market, how should I choose a satisfactory and suitable air conditioner?

10/31/2021

Study on the Performance of Single Phase AC-DC-AC Inverter Circuit

Variable Frequency Drive(VFD) converts power in the motion control system. The motion control system now contains a variety of disciplines.

07/31/2025

Case Studies of How to Replace a Compressor in Refrigerator (Part One)

Some mechanic maintenance workers have noted that there could be some other faults after changing the compressor for the refrigerator. What are the causes? This article will give the reasons by introducing several cases.

07/22/2024

Gas Shut-Off Solenoid Valve: Basics, Working Principles and Applications

Gas shut-off solenoid valves, also known as gas safety shut off solenoid valves and gas emergency shut off solenoid valves, are emergency shutoff devices for gas pipelines.