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Measuring apparatus for recording the temperature of stator winding

A technology of stator coils and measuring devices, applied to measuring devices, parts of thermometers, thermometers, etc., can solve problems such as complex structures, and achieve the effect of simple and reliable manufacturing

Active Publication Date: 2018-01-02
VOLKSWAGEN AG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The assembly shown in DE 10 2013 201 835 A1 has a relatively complex structure

Method used

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  • Measuring apparatus for recording the temperature of stator winding
  • Measuring apparatus for recording the temperature of stator winding
  • Measuring apparatus for recording the temperature of stator winding

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Embodiment Construction

[0032] Components with the same function and mode of action are in the Figures 1 to 4 are provided with the same reference numerals accordingly.

[0033] figure 1 A measuring device 10 for temperature detection of a stator coil 120 of an electric machine according to a first embodiment of the invention is shown. exist figure 1 Measuring device 10 shown in has a temperature sensor 20 with a sensor head 22 for detecting the temperature of stator coil 120 . The sensor head 22 is embedded in the base body 30 and is encapsulated here by the material of the base body 30 . More precisely, in figure 1 The temperature sensor 20 shown in FIG. 2 is extrusion-coated or injection-moulded with an elastomer forming the base body 30 . according to figure 1 , the base body 30 has a cylindrical shape with two end faces 26 and one side face 24 .

[0034] Furthermore, the temperature sensor has two connecting sections 28 in the form of connecting wires gathered in the sensor head 22 . ex...

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Abstract

The present invention relates to a measuring apparatus (10) for recording the temperature of a stator winding (120) of an electric machine, having a temperature sensor (20) with a sensor head (22) forrecording a temperature of the stator winding (120), wherein the sensor head (22) is embedded in a main body (30) and is extrusion-coated by the material of the main body (30). The present inventionalso relates to a system (100) for recording the temperature of the stator winding (120) of the electric machine, having the measuring apparatus (10) according to the invention, wherein the main body(30) is arranged, at least in sections, in a form-fitting manner in an opening (112) of a housing (110) of the electric machine and on the stator winding (120). The measuring apparatus according to the invention and the system can be used to record the temperature of the stator winding of the electric machine in a particularly simple, cost-effective and reliable manner.

Description

technical field [0001] The invention relates to a measuring device, system and method for temperature detection of a stator coil of an electric machine, in particular of an electric machine of a motor vehicle. Background technique [0002] For the development of electric machines, in particular electric machines for electric hybrid vehicles, as well as electric machines in factory and industrial engine construction, various coil technologies for the stator and / or rotor of the electric machine are known. For particularly tight or compact coils, coil technology such as so-called hairpin or wave coils is used, for example. Temperature detection is difficult to design in the case of such coils, since these coils are wound so narrowly that a temperature sensor cannot be inserted between the coils or the corresponding wires. [0003] In order to detect the temperature, it is known in the case of such coils to press the temperature sensor onto the stator coil via a screwed-in spri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K1/14
CPCG01K1/14
Inventor A.克莱因迪恩斯特M.门策尔
Owner VOLKSWAGEN AG
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