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Dynamometer

A technology of dynamometer and load machine, which is applied in the field of dynamometer, can solve the problems of large influence on measurement accuracy, and achieve the effects of accurate measurement accuracy, compact overall structure and simple structure

Active Publication Date: 2021-01-15
台州市光中电器制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the related technologies mentioned above, the inventor believes that the moment of inertia generated during the measurement and the frictional resistance of the bearing during the rotation process have a great impact on the measurement accuracy.

Method used

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Embodiment Construction

[0035] The following is attached Figure 1-5 The application is described in further detail.

[0036] The embodiment of the present application discloses a dynamometer. refer to figure 1 and figure 2, including a support frame 1, a protective cover 5 is fixedly connected to the support frame, an air hole 52 is provided on the protective cover 5, a load machine 2 is rotatably connected to the support frame 1, and the support frame 1 includes a base 12 and a front mounted on the base 12. Support plate 11, rear support plate 13, load machine 2 is located in the chamber formed by front support plate 11, rear support plate 13 and protective cover 5, and air hole 52 is connected with this chamber, and air hole is positioned at protective cover 5 close to rear support plate 13 One end of the front support plate 11 and the rear support plate 13 are provided with an installation cavity 14, the load machine 2 includes an end cover, a rotor 221 and a stator 222, and the end cover inc...

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PUM

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Abstract

The invention relates to a dynamometer, and relates to the field of power measurement equipment. The dynamometer comprises a support frame; a load machine is connected to the support frame, the load machine comprises an end cover, a rotor and a stator, the end cover comprises a front end cover and a rear end cover, the front end cover is connected to one end of the stator, and the rear end cover is connected to the other end of the stator. The supporting frame is further provided with a sensor and a supporting piece, at least one end of the load machine is connected with the supporting frame through the supporting piece, the sensor is used for detecting the rotation amount of the stator, the supporting piece comprises a connecting ring, a fixing ring and a connecting piece, wherein the connecting ring and the fixing ring are concentrically arranged; one end of the connecting piece is connected with the connecting ring, the other end of the connecting piece is connected with the fixingring, the fixing ring is fixedly connected with the supporting frame, and the connecting ring is connected with the end cover. The dynamometer has the characteristics of compact structure, low cost and high precision.

Description

technical field [0001] The present application relates to the field of power measurement equipment, in particular to a dynamometer. Background technique [0002] The dynamometer can be used to test the torque, speed, etc. of the motor. It can also be used to test the production line and the delivery of the motor products. It can check all the performance curves of the motor from no-load to stalled. While testing the no-load and load point performance of the motor, it also detects the input voltage, current, power and other conditions; thus helping production and R&D personnel to better grasp the parameters and usage status of the motor, and to facilitate improvement measures. A conventional dynamometer (composed of a load machine, a rotary torque speed sensor and a coupling) senses the torque of the motor through the sensor, and its accuracy depends on the measurement accuracy of the sensor itself and the installation accuracy of the front and rear couplings of the sensor. ...

Claims

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Application Information

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IPC IPC(8): G01L3/24G01B21/22
CPCG01B21/22G01L3/242
Inventor 孙红辉
Owner 台州市光中电器制造有限公司