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Electrical equipment temperature sensor convenient to replace and monitoring method thereof

A temperature sensor, easy-to-replace technology, used in thermometers, thermometer applications, thermometer components, etc., can solve problems such as sensor replacement problems and equipment damage, and achieve the effect of flexible and changeable structure combinations.

Pending Publication Date: 2021-10-01
深圳阿珂法先进科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above solution is a common existing technology in the market. There is no problem with the installation method and measurement itself, but the replacement of the sensor is a difficult problem. The winding, wire rod or fixing parts need to be removed to replace it. The replacement operation is labor-consuming and time-consuming. The equipment has caused some damage and can only be replaced when the equipment is overhauled

Method used

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  • Electrical equipment temperature sensor convenient to replace and monitoring method thereof
  • Electrical equipment temperature sensor convenient to replace and monitoring method thereof
  • Electrical equipment temperature sensor convenient to replace and monitoring method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] The inside and outside of the oil-immersed transformer winding assembly 200 is filled with insulating oil, and the voltage level is usually high. The direct hot spot measurement of the winding 201 can only use the optical fiber temperature sensor. In order to ensure the insulation effect and electrical performance, this case uses PTFE tube as The guide pipe 4, and the opening 41 is set on the pipe wall to ensure the good fluidity of the insulating oil, the structure is as follows image 3 shown;

[0046] Before use, remove the guide tube 4 and the fastener 5 and place them separately (the integral guide tube and the fastener can loosen the fastener), such as Figure 4 As shown, one end of the guide pipe 4 is closed, and the other end is an opening provided with a fastener 5 fixing window;

[0047] Then, according to the temperature measurement requirements, the guide pipe 4 is arranged at the position to be tested of the winding 201 during the production of the winding...

Embodiment 2

[0049] Use of fixed sensors in generator stator and rotor 300 Figure 8 Structure, the fastener 5 is composed of a pin 51 and a gland 52, the material of the guide tube 4 is epoxy resin fiberboard, and the guide groove is processed on the board, the cross section of the groove can be circular or rectangular, and the radial direction can be straight or curved. There is a direction hole on the top to fit the gland 52. Two pins 51 are used between the gland 52 and the guide tube 4 to fix the temperature sensor 100 on the guide groove. The bottom of the gland 52 has pressing teeth consistent with the width of the wire 1. The groove-shaped fixing structure has a penetrating hole on both sides. The diameter of the penetrating hole is smaller than the size of the pin 51. The pin 51 will not fall off after being pressed in. Connection method;

[0050] Such as Figure 9 , Figure 10 As shown, remove the guide groove and fixing structure before using the sensor; Figure 12 As shown,...

Embodiment 3

[0052] Such as Figure 14 , Figure 15 As shown, when the sensor needs to penetrate a long length, the penetration part of the front end of the sensor can be designed as an interventional tube type. Taking the optical fiber temperature sensor as an example, the main body of the sensor includes: connector 3, wire 1, tail sleeve 6, intervention Tube fastener 7, intervention tube 8 and temperature probe 2, a tail sleeve 6 and an intervention tube fastener 7 are added to the front end of the wire 1, and an intervention tube 8 is added to the front end of the intervention tube fastener 7. The material of the intervention tube 8 can be PTFE, PEEK, epoxy resin tubes, etc., the top of the intervention tube 8 is the temperature probe 2, the function of the intervention tube 8 is the same as that of the wire 1, and the guide tube 4 that is matched with the main body of the sensor is designed according to the different scenarios during use;

[0053] In order to prevent deformation of th...

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Abstract

The invention provides an electrical equipment temperature sensor convenient to replace and a monitoring method thereof. The electrical equipment temperature sensor comprises a wire, a temperature probe, a connector, a guide tube and a fastener; the temperature probe is arranged at the front end of the wire; the connector is arranged at the tail end of the wire; the wire, the temperature probe and the connector form a temperature sensor; a wire mounting cavity channel is arranged in the guide tube. one end, provided with the temperature probe, of the wire is inserted into the wire mounting cavity channel of the guide pipe; the fastener is arranged at the joint of the guide pipe and the wire; and the fastener is a fixing structure for the relative position of the guide pipe and the wire or the connector. The structure combination of the electrical equipment temperature sensor is flexible; and the electrical equipment temperature sensor can be applied to the temperature measurement environment of various power equipment; and the temperature sensor is installed in the temperature measurement environment of electrical equipment through the guide pipe; the component of the temperature sensor installed in the guide pipe can be directly and rapidly replaced during replacement, the parts of the electrical equipment do not need to be disassembled, the electrical equipment will not be damaged, and convenience and rapidness are achieved.

Description

【Technical field】 [0001] The invention relates to a temperature sensor and a monitoring method thereof, in particular to a conveniently replaceable power equipment temperature sensor and a monitoring method thereof. 【Background technique】 [0002] During the operation of power equipment, a certain amount of heat will be generated. The amount of heat generated can be judged by temperature. Abnormal heat generation is generally caused by overload, increased resistance of conductors or poor contact. These abnormal heat generation are usually the root cause of accidents. Reason; therefore, monitoring the operating temperature of the equipment is the main indicator for judging the operating status of the equipment. Exceeding the temperature of large-scale power equipment such as generators and transformers will not only reduce the service life of the equipment, but may also lead to accidents. Real and accurate , Real-time temperature data is particularly important. [0003] Tran...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K13/00G01K1/14
CPCG01K13/00G01K1/14
Inventor 董永成何丽
Owner 深圳阿珂法先进科技有限公司
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