A high-precision all-quartz high-temperature temperature sensor
A temperature sensor, high-precision technology, applied in thermometers, thermometers based on the expansion/contraction of materials, instruments, etc., can solve the problems of temperature sensors such as heat resistance, error, and low detection accuracy
Active Publication Date: 2022-02-18
山东舜感光电科技有限公司
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Problems solved by technology
[0004] Due to the lack of heat resistance, the existing temperature sensors on the market are prone to large errors when measuring temperature, especially at high temperatures, and the detection accuracy is not high.
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[0025] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
[0026] In addition, an element in the present invention is said to be "fixed" or "disposed on" another element, and it may be directly on another element or an intervening element may also exist. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for pur...
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The invention discloses a high-precision all-quartz high-temperature temperature sensor, which includes a temperature-sensing element and a quartz cylinder arranged on one side of the temperature-sensing element, a temperature-sensing expansion assembly is installed in the quartz cylinder, and the temperature-sensing expansion assembly connected to the variable resistance structure, the variable resistance structure is electrically connected to the emitter installed outside the quartz cylinder, and a battery electrically connected to the transmitter and the variable resistance structure is installed at the end of the quartz cylinder ; Fix the quartz cylinder with the tested element by using the mounting piece, and attach the temperature sensing element to the tested workpiece to sense the temperature of the tested workpiece. The resistance structure changes the current size to send electrical signals of different current sizes to the transmitter. The transmitter receives current signals of different sizes and converts them into wireless signals and sends them out, realizing real-time monitoring of temperature and sending them out synchronously. It has the function of high-precision sensing.
Description
technical field [0001] The invention relates to a temperature-sensing device, in particular to a high-precision all-quartz high-temperature temperature sensor. Background technique [0002] A temperature sensor is a sensor that senses temperature and converts it into a usable output signal. The temperature sensor is the core part of the temperature measuring instrument, and there are many varieties. According to the measurement method, it can be divided into two categories: contact type and non-contact type. According to the characteristics of sensor materials and electronic components, it can be divided into two types: thermal resistance and thermocouple. [0003] In recent years, the process of my country's industrial modernization and the continuous high-speed growth of the electronic information industry have driven the rapid rise of the sensor market. As an important category of sensors, temperature sensors account for more than 40% of the total sensor demand. [000...
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IPC IPC(8): G01K5/46
CPCG01K5/46
Inventor 王书正
Owner 山东舜感光电科技有限公司