Humiture sensor

A technology of temperature and humidity sensors and temperature sensors, which is applied in the direction of instruments and measuring devices, can solve problems such as mutual interference, waste of computing resources, and difficult laying of wires, and achieve good consistency, small product size, and low power consumption. Effect

Inactive Publication Date: 2016-07-27
QINGDAO ZHONGKE SOFTWARE
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Problems solved by technology

However, such components are easily restricted by the measurement site and the environment, and their performance will degrade due to the influence of the environment during long-term use. Regular inspection and replacement are required. Moreover, when the signal lines are transmitted over long distances, they are prone to interfere with each other, and the wires are not easy to lay. , which brings great inconvenience to the

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  • Humiture sensor

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Embodiment Construction

[0009] A temperature and humidity sensor is characterized in that it includes a data acquisition unit, a control processing unit, a communication unit, and a receiving unit; the data acquisition unit includes a data acquisition unit composed of a plurality of temperature sensors and humidity sensors, and the sensor adopts a cantilever The beam capacitive temperature sensor and the interdigital capacitive humidity sensor comprise a semiconductor substrate, a lower dielectric layer, a lower metal layer, an intermediate dielectric layer, an intermediate metal layer, an upper dielectric layer, and a The upper metal interconnection line and moisture sensitive material on the upper surface of the layer, the data collected by the data acquisition unit are transmitted to the wireless communication module through the middleware adapter, and the control processing unit receives the voltage signal of the detection unit, converts it into a digital signal and stores it; The communication un...

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Abstract

The invention discloses a humiture sensor. The humiture sensor comprises a data acquisition unit, a control processing unit, a communication unit and a reception unit, wherein the data acquisition unit comprises multiple temperature sensors and multiple humidity sensors, the data acquired by the data acquisition unit is transmitted through a middleware adapter to a wireless communication module, the control processing unit is used for receiving a voltage signal of a detection unit, converting the voltage signal into a digital signal and storing the digital signal, the communication unit is used for sending the signal of the control processing unit to the reception unit in a wireless mode, the reception unit is used for receiving the signal of the communication unit, and the wireless communication module comprises communication units of multiple frequency bands. According to the humiture sensor, full passive components such as inductors and capacitors form the integrated temperature and humidity sensor, as all the components are passive devices, the humiture sensor can operate in high-temperature, low temperature and high pollution serious environments; the humiture sensor is manufactured by employing the CMOSMEMS technology, properties of low consumption, good consistency and low cost are realized, and the humiture sensor is suitable for industrial production.

Description

technical field [0001] The invention belongs to the field of temperature and humidity measurement, in particular to a temperature and humidity sensor. Background technique [0002] Traditional temperature and humidity measurements generally use thermocouples, thermistors, and separate temperature and humidity sensors. However, such components are easily restricted by the measurement site and the environment, and their performance will degrade due to the influence of the environment during long-term use. Regular inspection and replacement are required. Moreover, when the signal lines are transmitted over long distances, they are prone to interfere with each other, and the wires are not easy to lay. , which brings great inconvenience to the practical application. [0003] At the same time, in the existing wireless sensor network, the wireless communication module is directly installed on the collection node, and the collected data is directly sent to the terminal computer for...

Claims

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Application Information

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IPC IPC(8): G01D21/02
Inventor 许广俊姜惠启蔡旭东孙淼
Owner QINGDAO ZHONGKE SOFTWARE
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