Classifications

• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
  • H02K11/30—Structural association with control circuits or drive circuits
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
  • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
  • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
  • H02K11/21—Devices for sensing speed or position, or actuated thereby

Definitions

• Interface module for arrangement in or on a motor
• the present invention relates to an interface module for arrangement in or on a motor, in particular in or on an electric motor, with a processing device for receiving and processing a first sensor signal from a first sensor component, wherein the first sensor component for detecting a first physical variable and is designed to provide the first sensor signal.
• Unscheduled failure of electric motors for example due to bearing damage, can lead to failure of complex machines and equipment such as production lines. This causes high follow-up costs. Therefore, when using motors there is a great interest in a diagnostic capability of the motors.
• the focus of interest here is in particular bearing monitoring and brake monitoring.
• temperature sensors for detecting the winding temperature and / or vibration sensors for bearing monitoring and brake monitoring are therefore also used in motors. These sensors detect a temperature or vibration and provide a corresponding sensor signal.
• the generally known motor 1 illustrated in FIG. 1 has a sensor 2 and a vibration sensor 3 as sensor devices.
• the encoder 2 is used to determine a position of a not-sketched in FIG 1 rotor of the motor 1.
• the encoder 2 is arranged with an interface module 5 in a Ge ⁇ berbauraum 4 on the engine 1.
• the interface module 5 detects the encoder signal 6 and determines therefrom the current speed of the motor 1.
• About an A / D converter of the interface module 5 the analog signal of the current rotation ⁇ number is converted into a digital signal.
• the digital signal is then output via the signal line 7 to a converter 8.
• the vibration sensor 3 serves to monitor the bearing. To evaluate the vibration sensor 3 whose vibration ⁇ signal is transmitted via a signal line 10 to an evaluation device 11. Via a non outlined in FIG 1 line optionally a corresponding Informati ⁇ onssignal then can be provided to the inverter. 8
• the inverter 8 compares the current speed with a predetermined target speed and controls the supplied via the power line 9 to the motor 1 power accordingly. Also, the vibration signal detected by the vibration sensor 3 can be taken into consideration in the control of the power of the engine 1.
• Vibration sensor 3 is that attaching the sensor devices 2 and 3 to the motor 1 and connecting the
• the object of the present invention is therefore to find a device which allows simplifications in the assembly of the engine, the sensor devices mounted therein or thereto and the associated evaluation or control components.
• a section ⁇ module for arrangement in or on a motor, in particular in or on an electric motor, comprising a proces ⁇ processing device for receiving and processing a first sensor signal from a first sensor component, wherein the first sensor component of the detection first physi ⁇ cal size and is designed to provide the first sensor signal, wherein the processing means for additional recording and processing of a second sensor Signal is designed by a second sensor component, where ⁇ in the second sensor component is designed to detect a second physical quantity and to provide the second sensor signal.
• an associated signal line 7 or 10 has to be attached for each sensor device, which motor 1 to a not arranged on the Mo ⁇ tor 1 evaluation, processing or Steuerein ⁇ direction 8 and 11 performs.
• an inventive interface module ⁇ the sensor signals, however, can be various ⁇ Dener sensors via a common line to a non-associated to the engine control device evaluation or transmitted. This also facilitates the joint evaluation of the sensor signals from a plurality of sensor components.
• an interface module can be designed such that, in addition to the sensor signals of the first and the second sensor components, sensor signals from further sensor components are also processed via the interface module.
• the processing device may preferably comprise a common A / D converter device and / or a common bus interface for both sensor signals. This facilitates the common transmission of the sensor signals of different sensor components.
• the present invention is also applicable when the first physical quantity is different from the second physical quantity.
• a difference between the first and second physical variables is understood to mean that the physical quantities detected have different units.
• the present invention can thus be used for different sensor types.
• the first sensor component and / or the second sensor component is a transmitter, a temperature or a Vibration sensor.
• a temperature or a Vibration sensor is used in engine monitoring. It is therefore advantageous that the present invention can also be applied to these.
• the interface module includes a hard ware ⁇ and a software component. These components can be used for evaluation or storage of the sensor signals.
• the evaluation of Sen ⁇ can sorsignale strong karfa within the interface module ⁇ chen.
• the interface module the first sensor ⁇ component and / or the second sensor component.
• the interface module By integrating at least one sensor component in the interface module of the additional Häauf ⁇ eliminates wall assembly of the sensor component on the engine. It is particularly advantageous if the sensor components in this case are already initialized at the factory to their functioning and the engine components controlled by them, for example to at least one bearing or a brake of a motor. As a result, the cost of commissioning the entire system is significantly reduced.
• the first sensor component for detecting a temperature of the engine and for providing an input for a temperature model of the engine for monitoring a bearing of the engine can be used. This ensures a reliable monitoring of the bearing of the engine.
• the interface module can be plugged onto the motor. This can be achieved by the housing of the interface module is designed as a plug. As a result, the attachment of the interface module to or in Just run the engine and connected with little work and time.
• the motor 12 from FIG. 2 like the motor 1 from FIG. 1, has an encoder 13 and a vibration sensor 14.
• the vibration sensor 14 was mounted in the engine 12 for better bearing monitoring in the interior of the engine 12.
• the encoder 13 for determining the position of the rotor of the motor 12 is located together with a sensor and interface module 15 according to the invention in the interior of a Geberbauraums 16.
• the Geberbau ⁇ space 16 is fixed to the engine 12.
• vibration sensor 14 it is also appropriate to mount at least one temperature sensor in or on the engine 12. Likewise, in addition to the vibration sensor 14, further vibration sensors may be arranged in or on the engine 12.
• the sensor and interface module 15 detects the sensor signals of the Ge ⁇ bers 13 and the vibration sensor 14.
• the sensor and interface module 15 may alternatively be designed to detect the sensor signals from more than two sensor devices.
• the sensor and Thomasstellenmo ⁇ dul 15 is connected to a bus system 19th
• the sensor and interface module 15 comprises evaluation devices, which in addition to a determination of the current speed also allow an evaluation of the vibration signal of the vibration sensor 14.
• the attachment of an evaluation device 11, as in the example of FIG. 1, can therefore be dispensed with in a motor 12 having a sensor and interface module 15 according to the invention.
• the sensor and interface module 15 also has an A / D converter.
• the sensor and interface module 15 outputs, after a training evaluation of the donor and the vibration signal, the Ausiresig ⁇ dimensional via a bus system 19, for example according to the Ethernet format, to a converter 20 of the motor 12 off.
• the inverter 20 controls after comparing the detected values with predetermined desired values via the power line 21 to the motor 12 power supplied in accordance with the comparison result ⁇ .
• evaluation devices for evaluating the sensor signals detected by the sensor devices 13 and 14 in or on the motor 12 can be mounted in or on the converter 20.
• the sensor and interface module 15 comprises only partial evaluation or processing devices via which the sensor signals are converted, for example, in their format for data transmission with a bus system 19.
• a sensor and interface module 15 Via a sensor and interface module 15 according to the invention, bidirectional data transmission may also be possible. In this way, a control of one or more sensor devices via a higher-level system or the inverter 20 is then ensured. By means of the sensor and interface module 15 according to the invention, a central intelligence is thus mounted in or on a motor.

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Combined Controls Of Internal Combustion Engines (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

Family

ID=36593679

Family Applications (1)

Country Status (5)

Cited By (2)

Families Citing this family (25)

Citations (4)

Family Cites Families (7)

• 2005
  • 2005-04-12 DE DE102005016855A patent/DE102005016855A1/de not_active Ceased
• 2006
  • 2006-04-07 JP JP2008505875A patent/JP4926166B2/ja not_active Expired - Fee Related
  • 2006-04-07 CN CNA200680020879XA patent/CN101194414A/zh active Pending
  • 2006-04-07 WO PCT/EP2006/061452 patent/WO2006108813A1/de not_active Ceased
  • 2006-04-07 US US11/911,382 patent/US20080290761A1/en not_active Abandoned

Patent Citations (4)

Non-Patent Citations (2)

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