DAVV Air Compressor SE-125A

07/07/2020

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

12/04/2024

Scroll Vs. Rotary Compressor for AC

The scroll compressor was invented in 1905 by a Frenchman, Copeland. He set up Copeland company in the United States

08/20/2020

Safe use and maintenance of air conditioning pressure control device in computer room

Pressure controller, also known as pressure relay, is an electrical switch controlled by a pressure signal. When the suction and discharge pressures of the air-conditioning compressor in the computer room exceed their normal working pressure range,

01/05/2024

Cooling Methods for DC Charging Piles and Selection of Cooling Fans

Compared to other power sources, charging stations (charging piles) have much greater heat dissipation requirements, making the thermal design of the system extremely strict.

02/05/2025

The Difference between Hermetic and Semi-Hermetic Compressors

The compressor is the primary equipment in the refrigeration system. It converts electrical energy into mechanical energy, compresses low-temperature and low-pressure refrigerant gas into high-temperature and high-pressure gas, and ensures the cycle of refrigeration.

01/29/2024

The Role of UPS and How to Solve Its Heat Dissipation Problem (UPS Cooling Fan)

(Uninterruptible Power Supply) is a power supply that contains an energy storage device. It is mainly used to provide uninterrupted power for some equipment that requires high power supply stability, such as a single computer, computer network system

09/22/2025

Basics of Encoder and Orthogonal Coding

Encoder is a kind of electromechanical equipment, which can be used to measure the movement of machinery or the target position of machinery.

08/24/2020

Popular science the advantages of water source heat pump central air-conditioning

Water source heat pump technology can use the low-level thermal energy resources formed by the absorption of solar and geothermal energy from the shallow water sources on the earth's surface

06/14/2020

Correct treatment method after refrigeration compressor burned out

I. Introduction: 　　If the compressor burns down or mechanical failure or wear has caused the inevitable pollution of the refrigerant system, the situation is as follows:

10/13/2025

9 Types of Fan Bearing Comparison: How to Have Both Quietness and Longevity?

Quietness and longevity have always been two very important performance parameters in the PC heat dissipation field, and the fan can be said to be the biggest source of noise inside the entire computer case.