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Wireless temperature measuring device for measuring temperature of inner ring during rotation of bearing

A wireless temperature measurement and inner ring technology, applied in measuring devices, thermometers, measuring heat, etc., can solve problems such as large defects, inability to monitor temperature in real time, and inconvenient use of wiring that needs to be shut down for temperature measurement

Inactive Publication Date: 2012-06-13
苏州朗高电机有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the temperature measurement of the inner ring of the motor bearing is to install the temperature sensor in the inner ring and then lead out the lead wires. This method has great defects, and it cannot monitor the temperature in real time. It is inconvenient to use the wiring after stopping the machine for temperature measurement. If there is a change, the error of the measured temperature value will be large. There is also radio telemetry for the temperature of the inner ring of the rotating bearing, but batteries are required. This method is more convenient to use than installing the sensor in the inner ring and then leading out the lead wires, but the battery needs to be replaced frequently

Method used

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  • Wireless temperature measuring device for measuring temperature of inner ring during rotation of bearing
  • Wireless temperature measuring device for measuring temperature of inner ring during rotation of bearing
  • Wireless temperature measuring device for measuring temperature of inner ring during rotation of bearing

Examples

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Effect test

Embodiment 1

[0017] as attached figure 2 , 3 Shown is a wireless temperature measuring device for the rotating inner ring of a bearing in the first embodiment of the present invention, including a transmitting part and a receiving part; the transmitting part includes a power supply device, a temperature measuring sensor, a wireless transmitting module NRF24L01, a first single-chip ATMEG8L; the power supply device includes a first permanent magnet 3, a second permanent magnet 4, and a coil; the first permanent magnet 3 and the second permanent magnet 4 are oppositely arranged on both sides of the motor shaft 1, and the first permanent magnet The polarities of the adjacent ends of the magnet 3 and the second permanent magnet 4 are opposite; the coil is arranged on the motor shaft 1 and is located in the area formed by the first permanent magnet 3 and the second permanent magnet 4; the voltage generated by the coil is passed through The 7806 three-terminal voltage stabilizing integrated cir...

example 2

[0019] as attached image 3 , 4 It is a wireless temperature measuring device for the rotating inner ring of a bearing in the second embodiment of the present invention; the difference from Embodiment 1 is that the temperature measuring sensor is a PT100 sensor; the PT100 sensor is suitable for use when it exceeds 125 degrees, The accuracy of the PT100 sensor is very high.

[0020] Due to the application of the above-mentioned technical solution, the present invention has the following advantages compared with the prior art:

[0021] The wireless temperature measuring device for the rotating inner ring of the bearing described in the present invention can measure the temperature of the bearing in contact with the motor shaft in real time and know the usage of the bearing. The temperature of the inner ring when the bearing rotates, and it is very convenient to use without an external battery.

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Abstract

The invention discloses a wireless temperature measuring device for measuring temperature of inner ring during rotation of bearing, which comprises a transmitting part and a receiving part; the transmitting part comprises a power supply device, a temperature measuring sensor, a wireless transmitting module and a first single chip machine; the power supply device is used for supplying power to the temperature measuring sensor, the first single chip machine and the wireless transmitting module; the first single chip machine is used for reading data of the temperature measuring sensor and then transmitting the data through an SPI (Serial Peripheral Interface) bus in a digital manner; the receiving part comprises a second single chip machine, a wireless receiving module and a digital tube; the second single chip machine is used for reading data of the wireless receiving module; a pre-set temperature value is set in the digital tube; when the data obtained by the second single chip machine is greater than the pre-set temperature value, a normally open contact of a relay is controlled to be closed. The device disclosed by the invention is capable of measuring the temperature of a bearing contacted with a motor rotating shaft in real time. Simultaneously, without an extra battery, the device is very convenient to use.

Description

technical field [0001] The invention relates to a temperature measuring device, in particular to a wireless temperature measuring device for a rotating inner ring of a bearing that can monitor the temperature of a motor shaft in real time, and belongs to the field of measurement technology. Background technique [0002] At present, the temperature measurement of the inner ring of the motor bearing is to install the temperature sensor in the inner ring and then lead out the lead wires. This method has great defects, and it cannot monitor the temperature in real time. It is inconvenient to use the wiring when the temperature measurement needs to be stopped. If there is a change, the error of the measured temperature value will be large. There is also radio telemetry of the temperature of the inner ring of the rotating bearing, but batteries are needed. This method is more convenient to use than the sensor installed in the inner ring and then leads out the lead wires, but the ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K1/02G08C17/02G01K1/024
Inventor 钟时辉
Owner 苏州朗高电机有限公司
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