摘要:
An apparatus for mounting a plurality of heat sinks onto a circuit board during testing while the circuit board is tested in a fixed manufacturing station. The apparatus has a polygonal shaped frame with a size that is limited to an area on the circuit board which contains a plurality of data processing elements to be cooled. At least four apertures are on the frame, wherein each of the apertures corresponds to a different one of the plurality of data processing elements to be cooled. A slot is positioned on the frame to receive oversized processing elements. At least four pillars extend from the frame and mount into mounting holes provided on the circuit board. The apertures on the frame support the heat sinks above the data processing elements to be cooled. No additional screws, adhesives, clips or other fixing mechanisms are required to secure the heat sinks.
摘要:
An apparatus for mounting a plurality of heat sinks onto a circuit board during testing while the circuit board is tested in a fixed manufacturing station. The apparatus has a polygonal shaped frame with a size that is limited to an area on the circuit board which contains a plurality of data processing elements to be cooled. At least four apertures are on the frame, wherein each of the apertures corresponds to a different one of the plurality of data processing elements to be cooled. A slot is positioned on the frame to receive oversized processing elements. At least four pillars extend from the frame and mount into mounting holes provided on the circuit board. The apertures on the frame support the heat sinks above the data processing elements to be cooled. No additional screws, adhesives, clips or other fixing mechanisms are required to secure the heat sinks.
摘要:
An apparatus for mounting a plurality of heat sinks onto a circuit board during testing while live circuit board is tested in a fixed manufacturing station. The apparatus has a polygonal shaped frame with a size that is limited to an area on the circuit board which contains a plurality of data processing elements to be cooled. At least four apertures are on the frame, wherein each of the apertures corresponds to a different one of the plurality of data processing elements to be cooled. A slot is positioned on the frame to receive oversized processing elements. At least four pillars extend from the frame and mount into mounting holes provided on the circuit board. The apertures on the frame support the heat sinks above the data processing elements to be cooled. No additional screws, adhesives, clips or other fixing mechanisms are required to secure the heat sinks.
摘要:
An electronic device, comprising” a housing; a magnetic element guideway, the guideway enables positioning of an accommodated magnetic element in at least two magnetic element positions relative to the housing. A control and evaluation circuit in a chamber with two Hall sensors for registering at least one component of a first local magnetic and for providing, a signal, which depends on the local magnetic field registered at the first site. The two Hall sensors have relative to the housing a defined position, wherein the control circuit is suitable based on the signals to detect whether a magnetic element is present in the gateway, and in case yes, based on at least one of the two signals, to detect whether the magnetic element is located in the first defined magnetic element position or has been moved from this position.
摘要:
An apparatus for determining and/or monitoring at least one process variable. The apparatus includes: at least one energy input, via which the apparatus receives energy for operation of the apparatus. The invention includes features that: at least one measuring unit is provided, which measures energy applied to the energy input; and at least one control unit is provided, which, based on comparison of the measured energy with a desired value of the energy requirement, controls at least one unit of the apparatus.
摘要:
A measuring apparatus for outputting a measurement signal representing the difference between a first pressure and a second pressure. The apparatus includes a first pressure measuring transducer module for outputting a sequence of first signals representing the first pressure; a second pressure measuring transducer module for producing a sequence of second signals representing the second pressure; an evaluation module for ascertaining a sequence of difference values between the two pressure values and for outputting a sequence of fourth signals, which, in each case, represent the pressure difference; a first cable connection between the first and second pressure measuring transducer module; and a second cable connection between the second pressure measuring transducer module and the evaluation module. The modules are separated spatially from one another. The second pressure measuring transducer module has a mapping unit, which is provided for receiving the sequences of first and second signals, and for outputting to the evaluation module via the second cable connection a sequence of third signals, which, in each case, contain the pressure values.
摘要:
The invention concerns a method for regulating the rotation speed, of a motor with which a digital rotation speed controller is associated and which, during operation, furnishes an actual-value signal for the rotation speed in the form of a rotation speed frequency signal, toward a target rotation speed setpoint defined in the form of a setpoint frequency signal, having the following steps: in a first time segment, a first numerical frequency value that characterizes the rotation speed of the motor is ascertained from the rotation speed frequency signal; in a second time segment that is substantially simultaneous with the first time segment, a second numerical frequency value that characterizes the frequency of the setpoint frequency signal is ascertained from the setpoint frequency signal; by means of the first and second numerical frequency values, the rotation speed of the motor is regulated in the digital rotation speed controller to a rotation speed that is associated with the setpoint frequency signal according to a predetermined mathematical relationship.
摘要:
An apparatus for determining and/or monitoring a process variable of a medium in a container. including: a probe unit, which has a sensor electrode and a guard electrode; and an electronics unit, which supplies the sensor electrode with an activating signal and which supplies the guard electrode with a guard signal; An amplifying unit; and a limiting element arranged in series between the guard electrode and the output of the amplifying unit. The amplifying unit supplies via the limiting element the guard electrode with the guard signal; and the amplifying unit supplies via the limiting element the sensor electrode with the activating signal. The evaluating unit is provided, which determines and/or monitors the process variable based on an electrical current signal measurable at the sensor electrode, and the activating signal and/or the guard signal.
摘要:
A measuring apparatus for outputting a measurement signal representing the difference between a first pressure and a second pressure. The apparatus includes a first pressure measuring transducer module for outputting a sequence of first signals representing the first pressure; a second pressure measuring transducer module for producing a sequence of second signals representing the second pressure; an evaluation module for ascertaining a sequence of difference values between the two pressure values and for outputting a sequence of fourth signals, which, in each case, represent the pressure difference; a first cable connection between the first and second pressure measuring transducer module; and a second cable connection between the second pressure measuring transducer module and the evaluation module. The modules are separated spatially from one another. The second pressure measuring transducer module has a mapping unit, which is provided for receiving the sequences of first and second signals, and for outputting to the evaluation module via the second cable connection a sequence of third signals, which, in each case, contain the pressure values.
摘要:
A configurable field device for automation technology with a partially dynamically reconfigurable logic chip FPGA, in which function modules are dynamically configured during runtime, and to a method for operating the configurable field device.