1、 Picture and schematic diagram of phase change cooling device in communication room
① -- external condenser ② - Pipeline ③ - indoor air circulation fan unit
4 - Inner evaporator 5 - electric control box 6 - external circulating water system
Application area: in areas with rich water resources, phase change water cooling device in communication room can be widely used, but in summer (water temperature exceeds 25 ℃), it needs to be used together with indoor air conditioner.
1 - external condenser ② - Pipeline ③ - indoor air circulation fan unit
4 - Inner evaporator 5 - electric control box 6 - external circulation fan
Application areas: 1) according to the climate indicators in China's building climate zoning map, the scheme can be used all year round in severe cold areas (average temperature in July ≤ 25 ℃), and can be used in cold areas (average temperature in July 18-28 ℃); ② mild areas: in areas without water source near the communication room, air cooling is adopted in most of winter and transition seasons, and air cooling is used in summer In hot summer and cold winter areas, air cooling can be used in winter and transitional seasons, and air conditioning can be used when the temperature is higher than 25 ℃;
2、 Working principle and function of phase change cooling device in communication room
The electric control box of the device starts and stops the water pump or fan according to the temperature of the measuring point. After the device is started, the indoor air circulation fan unit drives the indoor air to flow through the internal evaporator and is cooled. The working fluid in the inner evaporator absorbs heat and evaporates, and flows to the outer condenser under the pressure difference. The working fluid evaporated in the outer condenser transfers heat to the cooling water (or ambient air), condenses into liquid state, and returns to the inner evaporator by gravity. In this way, the internal heat is transferred to the external cold source repeatedly to achieve the purpose of indoor air cooling.
The device is composed of external cooler, pipeline, indoor air circulation device, inner cooler, control box, etc. External circulation fan or external cooling water circulation system shall be provided under specific conditions.
The device is suitable for communication room, data room or other electronic and mechanical equipment with long-time heating.
3、 Characteristics of phase change cooling device in communication room
1. The system is simple and reliable with long service life.
2. Using natural cooling source to cool the room can save energy and reduce noise, which can save more than 40% compared with general air conditioning system.
3. Keep the room airtight, which can effectively ensure the safety of equipment in the computer room.
4. The structure is simple and the cost is low. It is expected that the investment cost can be recovered in 3-4 years.