Method, device and magnetic resonance apparatus for temperature regulation of a magnetizable environment of a gradient coil

A temperature regulating device for regulating a temperature of an environment of a gradient coil arrangement of a magnetic resonance scanner, said environment comprising at least one magnetizable component of said scanner, said device comprising:

• a computer provided with a first item of information that describes a time-dependent power output of said gradient coil arrangement when said gradient coil arrangement is operational;
• said computer being configured to use said first item of information to determine a prospective temperature of said environment;
• a temperature regulating medium;
• said computer being configured to determine a compensating temperature for said temperature regulating medium based on the ascertained prospective temperature of the environment, which will cause the temperature regulating medium with said compensating temperature to produce a temperature in said environment that is stable over time while said time-dependent power output occurs;
• and
• a temperature controller operated from said computer in order to regulate the temperature in said environment by producing the compensating temperature in the temperature regulating medium.

A magnetic resonance apparatus comprising:

• a magnetic resonance data acquisition scanner comprising a gradient coil arrangement that, when operated during acquisition of MR data, generates heat in an environment of the gradient coil arrangement in which components of the MR data acquisition scanner are situated, at least one of said components being magnetizable;
• a computer provided with a first item of information that describes a time-dependent power output of said gradient coil arrangement when said gradient coil arrangement is operational;
• said computer being configured to use said first item of information to determine a prospective temperature of said environment;
• a temperature regulating medium;
• said computer being configured to determine a compensating temperature for said temperature regulating medium based on the ascertained prospective temperature of the environment, which will cause the temperature regulating medium with said compensating temperature to produce a temperature in said environment that is stable over time while said time-dependent power output occurs;
• and
• a temperature controller operated from said computer in order to regulate the temperature in said environment by producing the compensating temperature in the temperature regulating medium.