利用智能真空技术节约能源

Maulburg, Germany Busch 普旭现已推出全新 PLUS 系列的第二款真空泵 COBRA NX 0950 A PLUS。它是一款干式、无油真空泵,可以使用压力调节器或在恒定转速下运转,极其高效、节能。因此,COBRA PLUS 可以在特定转速下精准保持所需的抽速。不管工艺条件如何变化,它都可精准保持所需的真空度。这款全新的 COBRA PLUS 可以被广泛用于需要干式真空技术、独立和按需驱动的控制系统,以及需要可靠、高效地生产真空的应用中。
The new intelligent COBRA PLUS screw vacuum pump: ready for Industry 4.0.
The new intelligent COBRA PLUS screw vacuum pump: ready for Industry 4.0.

Thanks to its variable speed drive, the vacuum pump covers a pumping speed range from 200 to 950 cubic meters per hour and reaches an ultimate pressure of 0.01 millibar. All operating data is constantly recorded and saved. This data can be accessed directly on the built-in display or transferred via a Modbus TCP/IP client/server protocol. As a result, the vacuum pump can also be controlled remotely from a PC. This makes the new vacuum pump from Busch fully prepared for Industry 4.0.
The COBRA PLUS is designed to be operated in two different modes. Following an intuitive menu structure on the display, users can choose between the constant speed mode or pressure control mode. The most suitable operating mode depends on the type of application. If, for example, a process requires constant pumping speed, this can be set using the 'Constant speed' operating mode and changed again at any time. 

In contrast, pressure control uses a defined ultimate pressure setting. The vacuum pump precisely maintains this ultimate pressure, regardless of how the pumping speed changes. This means that this operating mode is always used if constant ultimate pressure or a constant vacuum level is needed. Once the required vacuum level is in place, the COBRA PLUS continues to run at a minimum speed of 20 Hertz, enabling it to respond to a sudden need for increased pumping speed by increasing the rotational speed. In the event of extended breaks, the vacuum pump can also switch on and off automatically, thanks to Ecomode. 
Both operating modes thus help the COBRA PLUS operate in a way that perfectly suits the process, resulting in extreme efficiency as only the power that is actually necessary is consumed.

The COBRA PLUS vacuum pump is based on the proven screw vacuum technology from Busch. The fluid-free operating principle makes it possible to avoid using oil or other operating fluids when generating vacuum. This makes it particularly well-suited for applications requiring that the pumped medium not be contaminated by operating fluids, or those that require clean-room conditions. 


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