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Micro-nano scale platinum resistor temperature sensor capable of fast measuring temperature

A temperature sensor, micro-nano technology, applied to thermometers, thermometers, instruments, etc. that use electric/magnetic elements that are directly sensitive to heat, can solve the problems that the time constant cannot be too small, limit the application of sensors, etc., and achieve rapid measurement of fluids The effect of temperature

Inactive Publication Date: 2014-11-05
WUHAN INSTITUTE OF TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This makes the time constant of the traditional resistance temperature sensor cannot be very small, thus limiting the application of this sensor in the field of rapid temperature measurement

Method used

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  • Micro-nano scale platinum resistor temperature sensor capable of fast measuring temperature
  • Micro-nano scale platinum resistor temperature sensor capable of fast measuring temperature
  • Micro-nano scale platinum resistor temperature sensor capable of fast measuring temperature

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Embodiment Construction

[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0030] The invention solves the problem of temperature measurement in places where the temperature measurement response time is extremely short and the temperature changes rapidly, such as at the moment of ignition of an automobile engine or during the periodic motion of a reciprocating compressor, and provides a micro-nano-scale platinum resistance that can quickly measure temperature temperature sensor.

[0031] Such as figure 1 As shown, the sensor mainly includes four structures: temperature sensing part 1, fixed part 2, precise resistor 3 (resistance with high precision) and power supply 4. ...

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Abstract

The invention discloses a micro-nano scale platinum resistor temperature sensor capable of fast measuring the temperature. The micro-nano scale platinum resistor comprises a power source, an accurate resistor and a temperature sensing part. The temperature sensing part is fixed to a fixing part, the fixing part is a substrate slice with a middle hole, and the temperature sensing part comprises a plurality of temperature sensing platinum thin-film resistor blocks which are bent and connected through connecting pieces, the connecting pieces are partly fixed to the edge of the middle hole of the substrate slice, and the platinum thin-film resistor blocks and the connecting pieces are connected in series to form a ring shape to be hung into the middle hole. The head and the tail of the ring-shaped temperature sensing part form a circuit with the power source and the accurate resistor through a wire. According to the micro-nano scale platinum resistor temperature sensor, the fluid temperature can be measured rapidly along with the changes of the temperature of a platinum resistor in the temperature sensing part in the circuit.

Description

technical field [0001] The invention relates to a temperature sensor, in particular to a micro-nano platinum resistance temperature sensor for rapid temperature measurement. [0002] Background technique [0003] A temperature sensor is an instrument used to measure temperature and sense temperature changes to convert it into an output signal. It is widely used in industry, agriculture, commerce and other sectors. [0004] At present, in the field of temperature sensors, due to the slow response speed, it is a major defect that the change of the measured temperature cannot be responded in time. The main reason is that the temperature transmission speed of the temperature sensing medium inside the sensor is too slow, especially when the external measured temperature passes through the temperature sensing medium. When the distance transmitted to the center of the sensor is long. However, the traditional thermal resistance temperature sensor has good thermal contact betwee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K7/18
Inventor 邓佩刚秦自强梅弘斌
Owner WUHAN INSTITUTE OF TECHNOLOGY
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