CN211824554U

CN211824554U - Wireless temperature and humidity sensor

Info

Publication number: CN211824554U
Application number: CN202020802474.9U
Authority: CN
Inventors: 敖冬亮; 胡泽元; 谢海棠
Original assignee: Shenzhen Jiexun Yilian Technology Co ltd
Current assignee: Shenzhen Jiexun Yilian Technology Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-10-30
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a wireless temperature and humidity sensor, including power management module, MCU module, humiture collection module, wireless serial ports emission module, power management module passes through IO control connection with the MCU module, the MCU module passes through I2C communication with humiture collection module, the MCU module can show and gather the configuration at the background server through SPI communication with wireless serial ports emission module, the utility model discloses a long-range wireless humiture is gathered, has improved work speed, the cost is reduced. By adopting a high-precision digital temperature acquisition mode, temperature and humidity data can be acquired with low energy consumption, data communication is carried out between the temperature acquisition mode and the MCU module through I2C, the data acquired at regular time can be processed by an algorithm to obtain curve change data, whether alarm is given or not is judged, the data is demodulated through the wireless serial port transmitting module and then is remotely transmitted to the background server to be displayed, and the effects of remotely monitoring the temperature and humidity environment conditions of a site and early warning are achieved.

Description

Wireless temperature and humidity sensor

Technical Field

The utility model relates to the technical field of sensors, specifically a wireless temperature and humidity sensor.

Background

Temperature, humidity and human production, life have close relation, and the change of environment can influence the growth of crops, the storage of medical treatment medicine, the operation of machine etc. along with the development of electronic technology, internet of things makes people's life more high-quality, work more high-efficient, and environment humiture also becomes one of the problem that people generally concern.

The existing temperature and humidity collector has the disadvantages of complex structure, poor collection precision, large volume and high power consumption, is mainly used for local collection and display, cannot remotely acquire field temperature and humidity information, and cannot perform alarm processing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wireless temperature and humidity sensor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a wireless temperature and humidity sensor, includes power management module, MCU module, humiture collection module, wireless serial ports emission module, power management module passes through IO control connection with the MCU module, the MCU module passes through I2C communication with humiture collection module, the MCU module can show and gather the configuration at background server through SPI communication with wireless serial ports emission module, and power management module and MCU module connection.

As a further technical solution of the present invention: the temperature and humidity acquisition module is a chip with the model SH 30.

As a further technical solution of the present invention: the core element of the power management module is LY 3085.

As a further technical solution of the present invention: the model of the MCU module is STM8L 151.

As a further technical solution of the present invention: the wireless serial port transmitting module adopts a low-power consumption long-distance LoRa spread spectrum wireless data transmission scheme Sx 1278.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a long-range wireless humiture is gathered, has improved work speed, the cost is reduced. By adopting a high-precision digital temperature acquisition mode, temperature and humidity data can be acquired with low energy consumption, data communication is carried out between the temperature acquisition mode and the MCU module through I2C, the data acquired at regular time can be processed by an algorithm to obtain curve change data, whether alarm is given or not is judged, the data is demodulated through the wireless serial port transmitting module and then is remotely transmitted to the background server to be displayed, and the effects of remotely monitoring the temperature and humidity environment conditions of a site and early warning are achieved.

Drawings

Fig. 1 is a schematic structural diagram of a wireless temperature and humidity collector in an embodiment of the present invention;

fig. 2 is a circuit diagram of the power management module of the present invention;

fig. 3 is a circuit diagram of the temperature and humidity acquisition module of the present invention;

fig. 4 is a circuit diagram of the wireless transmitting module of the present invention;

fig. 5 is a circuit diagram of the MCU of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, embodiment 1: the utility model provides a wireless temperature and humidity sensor, includes that power management module, MCU module, humiture collection module, wireless serial ports emission module constitute, power management module passes through IO control connection with the MCU module, the MCU module passes through I2C communication with humiture collection module, the MCU module can show and gather the configuration at background server through SPI communication with wireless serial ports emission module. The power management module is connected with the MCU module, and power module can provide the power for MCU and carry out work, and the MCU module model is STM8L151 and compromises sensing data acquisition and wireless data transmission, can receive backend server through wireless serial ports emission module's collection command, also can send the collection command and give humiture collection module.

The utility model discloses a theory of operation and practical flow: the power management module provides the power for the MCU module, the MCU module handles the collection information of humiture collection module, through wireless serial ports emission module demodulation, remote transmission shows to the backstage server, has reached the effect of the on-the-spot humiture environmental condition of remote monitoring and early warning, has realized long-range wireless humiture and has gathered, has improved work rate, need not lay wire and has reduced the cost, the ultra-thin design of card formula, and is small, and the installation side becomes.

Embodiment 2, on the basis of embodiment 1, the humiture collection module is with the chip that the model is SH30, adopt digital temperature acquisition mode, high accuracy, the collection is carried out to the low-power consumption, the signal of telecommunication that will gather gives the MCU module, the MCU module obtains the curve change data through the algorithm with the data of regularly gathering, and whether report to the police and judge, adopt the long-range loRa spread spectrum wireless data transmission scheme Sx1278 of low-power consumption with data through wireless serial ports emission module again, possess the wireless function of awakening up of dormancy, after demodulating, remote transmission shows to backstage service end.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a wireless temperature and humidity sensor, includes power management module, MCU module, humiture collection module and wireless serial ports emission module, its characterized in that, power management module passes through IO control connection with the MCU module, the MCU module passes through I2C communication with humiture collection module, the MCU module can show and gather the configuration at background server through SPI communication with wireless serial ports emission module, and power management module and MCU module are connected.

2. The wireless temperature and humidity sensor according to claim 1, wherein the temperature and humidity acquisition module is a chip with model number SH 30.

3. The wireless temperature and humidity sensor according to claim 1, wherein the core component of the power management module is LY 3085.

4. The wireless temperature and humidity sensor according to claim 1, wherein the MCU module is STM8L 151.

5. The wireless temperature and humidity sensor according to any one of claims 1 to 4, wherein the wireless serial port transmitting module adopts a low power consumption long distance LoRa spread spectrum wireless data transmission scheme Sx 1278.