阅读说明：本技术 一种自供电石英音叉的温湿度传感器装置 (Temperature and humidity sensor device of self-powered quartz tuning fork ) 是由 徐军 张峰峰 于 2020-06-11 设计创作，主要内容包括：本发明公开了一种自供电石英音叉的温湿度传感器装置本发明涉及一种自供电石英音叉的温湿度传感器装置,包括主电路；其特征在于：主电路包括温湿度传感组件；温湿度传感组件包括温湿度传感器、核心处理器芯片、第一电阻、第一电容和第二电容,晶振；核心处理器芯片的第一连接端接地,核心处理器芯片的第二连接端和核心处理器芯片的第三连接端分别连接直流正电源,核心处理器芯片的第四连接端经晶振后连接核心处理器芯片的第五连接端,核心处理器芯片的第四连接端依次经第一电容和第二电容后连接核心处理器芯片的第十八连接端,第一电容和第二电容的公共端接地；核心处理器芯片的第六连接端经第一电阻后接地；其使用寿命长,成本低,可靠性好。(The invention discloses a temperature and humidity sensor device of a self-powered quartz tuning fork, which relates to a temperature and humidity sensor device of a self-powered quartz tuning fork, and comprises a main circuit; the method is characterized in that: the main circuit comprises a temperature and humidity sensing assembly; the temperature and humidity sensing assembly comprises a temperature and humidity sensor, a core processor chip, a first resistor, a first capacitor, a second capacitor and a crystal oscillator; the first connecting end of the core processor chip is grounded, the second connecting end of the core processor chip and the third connecting end of the core processor chip are respectively connected with the direct-current positive power supply, the fourth connecting end of the core processor chip is connected with the fifth connecting end of the core processor chip after crystal oscillation, the fourth connecting end of the core processor chip is connected with the eighteenth connecting end of the core processor chip after sequentially passing through the first capacitor and the second capacitor, and the common end of the first capacitor and the second capacitor is grounded; the sixth connecting end of the core processor chip is grounded after passing through the first resistor; the service life is long, the cost is low, and the reliability is good.)

1. The utility model provides a temperature and humidity sensor device of self-power quartz tuning fork, includes main control circuit, its characterized in that: the main control circuit comprises a temperature and humidity sensing assembly; the temperature and humidity sensor assembly comprises a temperature and humidity sensor, a core processor chip, a first resistor, a first capacitor, a second capacitor and a crystal oscillator; the first connecting end of the core processor chip is grounded, the second connecting end of the core processor chip and the third connecting end of the core processor chip are respectively connected with the positive electrode and the negative electrode of a direct current power supply, the fourth connecting end of the core processor chip is connected with the fifth connecting end of the core processor chip after crystal oscillation, the fourth connecting end of the core processor chip is connected with the eighteen connecting end of the core processor chip after sequentially passing through a first capacitor and a second capacitor, the common end of the first capacitor and the second capacitor is grounded, the sixth connecting end of the core processor chip is grounded after passing through a first resistor, the first connecting end of the temperature and humidity sensor chip is connected with the seventh connecting end of the core processor chip, the fourth connecting end of the temperature and humidity sensor chip is connected with the eighth connecting end of the core processor chip, and the fourth connecting end of the temperature and humidity sensor chip is connected with the direct current positive electrode after passing through a second resistor, the second connecting end of the temperature and humidity sensor chip is connected with the direct current anode, the third connecting end of the temperature and humidity sensor chip is grounded, and the seventh connecting end, the eighth connecting end, the ninth connecting end and the tenth connecting end of the core processor chip are respectively connected with the SPI (serial peripheral interface) first connecting end, the second connecting end, the third connecting end and the fourth connecting end of the RF (radio frequency) assembly.

2. The temperature and humidity sensor of a self-powered quartz tuning fork of claim 1, wherein: the temperature and humidity sensor chip probe is a tuning fork made of stone sound materials, and organic materials for sensing humidity and temperature are coated between the two poles of the tuning fork.

3. The temperature and humidity sensor of a self-powered quartz tuning fork of claim 3, wherein: the humidity sensing material is polyvinyl acyl, and the temperature sensing material is graphene oxide.

4. According to where to go and claim 1 a temperature and humidity sensor of self-power quartz tuning fork its characterized in that: the self-powered mode adopts a vibration energy collecting system to collect energy in the environment to supply power for the sensor.

5. According to where to go and claim 1 a temperature and humidity sensor of self-power quartz tuning fork its characterized in that: the first connecting end of the SPI interface of the RF component is an SI (serial input) port, the second connecting end of the SPI interface of the RF component is an SO (serial output) port, the third connecting end of the SPI interface of the RF component is a CLK (clock) port, and the first connecting end of the SPI interface of the RF component is a GND (public) port.

Technical Field

The invention belongs to the technical field of sensors, and relates to a self-powered quartz tuning fork temperature and humidity sensor device.

Background

The sensor is packaged in a shell, and when the sensor works, the battery or the vibration generator supplies power to form a sensor network node, and the network is formed by randomly distributed micro nodes integrated with the sensor and the data processing unit in a self-organizing mode. The digital signal of the acquisition equipment is transmitted to a gateway of a monitoring center through a sensor network and is directly sent to a computer for analysis and processing. The sensor may also transmit the entire time history signal collected in real time, if desired. The monitoring center can also wirelessly transmit information such as control, parameter setting and the like to the nodes through the gateway. The data conditioning, collecting and processing assembly amplifies and filters the weak signal output by the sensor and sends the signal to the A/D converter for converting into digital signal, and the digital signal is sent to the main processor for digital signal processing to calculate the effective value, displacement value, etc. of the sensor. The conventional self-powered quartz tuning fork temperature and humidity sensor device mostly has the problems of short service life, high cost, low reliability and the like, so that a self-powered quartz tuning fork temperature and humidity sensor device is needed, the problems of short service life, high cost, low reliability and the like are solved, and the self-powered quartz tuning fork temperature and humidity sensor device is long in service life, low in cost and good in reliability.

Disclosure of Invention

The invention aims to provide a self-powered quartz tuning fork temperature and humidity sensor device, which solves the problems of short service life, high cost, low reliability and the like, and has the advantages of long service life, low cost and good reliability.

In order to achieve the above object, the present invention provides a self-powered quartz tuning fork temperature and humidity sensor device, which includes a main circuit; the main circuit comprises a temperature and humidity sensing assembly; the temperature and humidity sensing assembly comprises a temperature and humidity sensor, a core processor chip, a first resistor, a first capacitor, a second capacitor and a crystal oscillator; the first connecting end of the core processor chip is grounded, the second connecting end of the core processor chip and the third connecting end of the core processor chip are respectively connected with the direct-current positive power supply, the fourth connecting end of the core processor chip is connected with the fifth connecting end of the core processor chip after crystal oscillation, the fourth connecting end of the core processor chip is connected with the eighteenth connecting end of the core processor chip after sequentially passing through the first capacitor and the second capacitor, and the common end of the first capacitor and the second capacitor is grounded; the sixth connecting end of the core processor chip is grounded after passing through the first resistor; the temperature and humidity sensor comprises a temperature and humidity sensor chip, a first connecting end of the temperature and humidity sensor chip is connected with a seventh connecting end of the core processor chip, a fourth connecting end of the temperature and humidity sensor chip is connected with an eighth connecting end of the core processor chip, and a fourth connecting end of the temperature and humidity sensor chip is connected with the direct-current positive power supply through a second resistor; the second connecting end of the temperature and humidity sensor chip is connected with the direct-current positive power supply, and the third connecting end of the temperature and humidity sensor chip is grounded; the seventh connecting end, the eighth connecting end, the ninth connecting end and the tenth connecting end of the core processor chip are respectively connected with the first connecting end, the second connecting end, the third connecting end and the fourth connecting end of the SPI (serial peripheral interface) of the RF (radio frequency) assembly.

In the above solution, it is preferable that the SPI interface first connection end of the RF component is an SI (serial input) port, the SPI interface second connection end of the RF component is an SO (serial output) port, the SPI interface third connection end of the RF component is a CLK (clock) port, and the SPI interface fourth connection end of the RF component is a GND (common) port.

The self-powered quartz tuning fork temperature and humidity sensor device provided by the invention can solve the problems of short service life, high cost, low reliability and the like, and is long in service life, low in cost and good in reliability.

Drawings

The invention will be further described with reference to the following figures and embodiments:

fig. 1 is a block diagram of a self-powered quartz tuning fork temperature and humidity sensor device according to the present invention;

FIG. 2 is a circuit diagram of a self-powered miniature temperature and humidity sensing node device of the present invention;

FIG. 3 is a block diagram of a vibration energy harvesting system;

fig. 4 is a sensor structure diagram of a self-powered quartz tuning fork temperature and humidity sensor device according to the present invention.

In the figure: the temperature-sensing device comprises a plastic shell 1, a humidity sensor 2, a humidity sensor 3, a humidity sensor bipolar plate 4, a humidity sensing material 5, a temperature sensor 6, a temperature sensor bipolar plate 7, a temperature sensing material 8, a first terminal 9, a second terminal 10, a first circuit board 11, a second circuit board 12, a vent window 13, a gas-permeable film 14, paraffin and epoxy resin 15.

Detailed Description

For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying examples. It will, however, be evident that various modifications and changes may be made thereto without departing from the broader spirit and scope of the invention as set forth in the appended claims. The following examples are, therefore, to be construed in an illustrative and not a restrictive sense.

A self-powered quartz tuning fork temperature and humidity sensor device comprises a plastic shell 1, a humidity sensor 2 and a temperature sensor 4, wherein the humidity sensor 2 and the temperature sensor 4 both adopt quartz tuning fork structures, and a humidity sensing material is physically spun between two electrodes 3 of the humidity sensor; the temperature sensing material is physically spun between two electrodes 6 of the temperature sensor; the temperature sensor 4 and the humidity sensor are both positioned in the plastic shell 1, the humidity sensor 2 of the humidity sensor is connected with the first terminal 8 through a connecting wire, and the first terminal 8 is connected with the first circuit board 10; temperature sensor 5 and second terminal 9 pass through the connecting wire and link to each other, second terminal 9 be connected with second circuit board 11, humidity transducer 2 be provided with capacitanc humidity chip, go to respond to external environment humidity through this capacitanc humidity chip, humidity transducer 2 and temperature sensor 5 respectively have 1, when the temperature and the humidity of detection ring border, humidity transducer 2 and temperature sensor 5's resonant frequency and humidity and temperature become linear relation, can obtain corresponding humidity and temperature value through the measurement to resonant frequency, because quartz crystal's resonant frequency is stable, consequently can realize high accuracy, the humiture measurement of high stability, the outer wall both sides of plastic casing 1 be provided with louver 12, louver 12 both sides respectively are 5 at least, louver 12's position is relative with humidity transducer 2 and temperature sensor 5 respectively, the ventilation window 12 covers one deck ventilated membrane 13, ventilated membrane 13 dustproof and waterproof, but can let steam permeate through, let its outside of covering at ventilation window 12, can protect but not influence the function of sensor well to the sensor, in addition, ventilation window 12 on be provided with the protective housing, the protective housing is located ventilation window 12's top, can prevent like this that the dust from covering on ventilation window 12, changes the sensor like this and can use in more abominable environment, humidity transducer 2 adopts double-deck sealed with the combination department of temperature sensor 5 and shell, and the first layer adopts paraffin 14 sealed, and the second floor adopts epoxy 15 sealed, has further isolated the influence of outside unstable factor to sensor detecting element, has guaranteed the stability of data. The humidity sensor 2 and the temperature sensor 5 are combined together, the environment temperature and humidity are jointly detected, the installation is convenient, the production cost is reduced, and the stability is improved.