CN219041916U

CN219041916U - Low-power-consumption wide area network detector based on environment monitoring

Info

Publication number: CN219041916U
Application number: CN202221792929.9U
Authority: CN
Inventors: 邵旭光; 冯杰年; 余凤
Original assignee: Seeed Development Ltd
Current assignee: Seeed Development Ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2023-05-16
Anticipated expiration: 2032-07-12

Abstract

The embodiment of the utility model discloses a detector of a low-power-consumption wide area network based on environment monitoring, which at least comprises the following components: acquisition module, control module and antenna module, wherein: the acquisition module is used for acquiring environmental parameters in the environment and sending the acquired environmental data to the control module; the control module is used for processing the environmental data and sending the processed data to the server; the antenna module is used for providing a transmitting signal for the control module, various data in the agricultural environment are collected through the embodiment of the utility model and then automatically transmitted to the cloud platform for subsequent intelligent agricultural data analysis, the basis is provided for production decision making, and the environment detection can be realized very conveniently.

Description

Low-power-consumption wide area network detector based on environment monitoring

Technical Field

The utility model relates to the technical field of circuits, in particular to a detector of a low-power-consumption wide area network based on environment monitoring.

Background

The Internet of things rapidly rises in the current market, and the original hardware advantage of silicon delivery technology is selected as a first Internet of things scene. At present, farmers mainly rely on manual planting, experience is also on planting specialists, and modeling, data and even intellectualization are not realized.

At present, the existing agricultural modern equipment, more agricultural machinery equipment, improves the degree of agricultural automation and has lower intelligent degree. In the existing agricultural modern equipment detection process, the power consumption is higher, so that the system endurance is insufficient, and the customer experience is greatly reduced.

Disclosure of Invention

Aiming at the technical problems, the embodiment of the utility model provides a detector of a low-power-consumption wide area network based on environment monitoring.

The embodiment of the utility model provides a detector of a low-power-consumption wide area network based on environment monitoring, which at least comprises the following components: acquisition module, control module and antenna module, wherein:

the acquisition module is used for acquiring environmental parameters in the environment and sending the acquired environmental data to the control module;

the control module is used for processing the environmental data and sending the processed data to a server;

the antenna module is used for providing a transmitting signal for the control module.

Optionally, the acquisition module at least comprises a sensor, and the sensor is connected with the control module through a Uart protocol or an IIC protocol.

Optionally, the detector further includes a bluetooth module, where the bluetooth module is connected to the control module, and is used to connect to a mobile device, and perform firmware upgrade and system configuration through the mobile device.

Optionally, the transmitting module at least comprises a LoRa-E5 module, and the transmitting module is configured to transmit video signals.

Optionally, the detector further comprises a storage module, wherein the storage module is connected with the control module and is used for storing system information.

Optionally, the detector further comprises an encryption module, the encryption module is connected with the control module, and the control module encrypts the collected environmental data and the processed data.

Optionally, the detector further includes an analog-to-digital conversion module, where the analog-to-digital conversion module is connected to the acquisition module and the control module, and the analog-to-digital conversion module is configured to convert the acquired analog environmental data into a digital signal, and transmit the digital signal to the control module.

Optionally, the detector further comprises a low-temperature drift operational amplifier, wherein the low-temperature drift operational amplifier is connected with the control module and is used for current signal acquisition.

Optionally, the detector further comprises an indication module, wherein the indication module is used for bluetooth configuration display and network access indication of the low-power wide area network.

Optionally, the detector further comprises a key module, wherein the key module is used for bluetooth wakeup configuration.

In the technical scheme provided by the embodiment of the utility model, the detector of the low-power-consumption wide area network based on environment monitoring at least comprises: acquisition module, control module and antenna module, wherein: the acquisition module is used for acquiring environmental parameters in the environment and sending the acquired environmental data to the control module; the control module is used for processing the environmental data and sending the processed data to the server; the antenna module is used for providing a transmitting signal for the control module, various data in the agricultural environment are collected through the embodiment of the utility model and then automatically transmitted to the cloud platform for subsequent intelligent agricultural data analysis, the basis is provided for production decision making, and the environment detection can be realized very conveniently.

Drawings

Fig. 1 is a schematic structural diagram of a detector of a low-power-consumption wide area network based on environmental monitoring according to an embodiment of the present utility model;

FIG. 2 is a schematic structural diagram of a detector of another low-power wide area network based on environmental monitoring according to an embodiment of the present utility model;

fig. 3 is a schematic circuit diagram of a control module according to an embodiment of the utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Noun interpretation:

an LED: a light emitting diode.

LoRa: a low power wide area network.

Uart: asynchronous transceiver is a protocol standard.

IIC: an integrated circuit bus, which is a serial communication bus.

APP: an application program.

Flash: a storage medium.

ADC: an analog-to-digital converter.

Referring to fig. 1, a schematic structural diagram of a detector of a low-power-consumption wide area network based on environmental monitoring according to an embodiment of the present utility model includes: acquisition module 20, control module 10 and antenna module 30, wherein:

the acquisition module 20 is used for acquiring environmental parameters in the environment and sending the acquired environmental data to the control module;

the control module 10 is used for processing the environmental data and sending the processed data to the server;

the antenna module 30 is used to provide a transmit signal to the control module.

Specifically, fig. 3 is a schematic circuit diagram of a control module provided in an embodiment of the present utility model, as shown in fig. 3.

Fig. 2 is a schematic structural diagram of another detector of a low-power-consumption wide area network based on environmental monitoring according to an embodiment of the present utility model, where the embodiment of the present utility model is based on the low-power-consumption wide area network lorewan protocol, and is oriented to remote wireless sensor data monitoring scenarios such as smart agriculture, smart city, etc.

The embodiment of the utility model is based on the ST low-power consumption MCU as a core, the self-grinding module LoRa-E5 is used as a main control system and a LoRa transmitting system of the system, 868MHz and 915MHz frequency bands are supported simultaneously, and the novel shrapnel antenna and structure integral design method is adopted, so that the reference ground area of the antenna is enlarged, and the effect is greatly enhanced. The power supply is powered by a lithium thionyl chloride battery, the self-discharge rate of the battery is low, the battery is suitable for low-power-consumption Internet of things equipment, two 3.3F super capacitors can be connected in parallel on a battery plate, the follow current capability is improved, and a radio frequency performance system is ensured.

The acquisition module at least comprises a sensor, and the sensor is connected with the control module through a Uart protocol or an IIC protocol.

The sensor head part is connected to the sensor board through the 4pin connector, a separation type structure is adopted between the sensor and the host, and the host can be matched with different sensor parts at will, so that the use flexibility of the sensor is improved.

The sensor is used as a terminal device of the LoRa network and is used for collecting physical quantity data of the environment and then sending the data to the gateway.

Optionally, the detector further includes a bluetooth module, where the bluetooth module is connected to the control module, and the bluetooth module is used to connect to the mobile device, and perform firmware upgrade and system configuration through the mobile device.

Optionally, the transmitting module at least comprises a LoRa-E5 module, and the transmitting module is configured to transmit the video signal.

Optionally, the detector further includes an analog-to-digital conversion module, where the analog-to-digital conversion module is connected to the acquisition module and the control module, and the analog-to-digital conversion module is configured to convert the acquired analog environmental data into a digital signal and transmit the digital signal to the control module.

Specifically, 1, a key module is used for bluetooth wakeup configuration.

And 2, an LED indicator lamp used for Bluetooth configuration and LoRa (loRa) networking indicator lamp.

And 3, a wiring terminal connector used for connecting an external sensor.

And 4, an external sensor connector for connecting a sensor of the Uart protocol.

And 5, an external sensor connector for connecting with a sensor of the IIC protocol.

And 6, two super capacitors are used for protecting the battery and improving the performance of the radio frequency system.

And 7, an external debugging serial port used for upgrading the offline firmware.

And 8, a battery spring piece for fixing the battery.

The detector is also internally provided with a battery for supplying power to each module, and the battery can be a rechargeable battery or a common battery.

And 9, a Bluetooth module is used for connecting the APP to carry out firmware upgrade and system configuration.

And 10, loRa-E5 module, wherein the scheme is designed into a main control and is responsible for radio frequency functions.

11, the shrapnel antenna can simultaneously support the transmitting signals of 868MHz and 915MHz frequency bands.

And 12, hanging a 2MB Flash memory chip for information storage of the system.

And 13, designing a reserved encryption chip, so that a user can increase encryption information and the security is improved.

Specifically, the encryption chip of the security chip platform is adopted, so that the attack means can be effectively protected, partial codes or algorithms in the MCU are implanted into the encryption chip, and the programs are executed in the encryption chip, so that the program codes in the encryption chip become a part of the whole MCU program, the purpose of encryption can be achieved, the programs are implanted as many as possible, the strength of the algorithms is increased as much as possible, and the possibility of being deciphered can be effectively prevented.

The security of the encryption chip depends on the security of the chip itself and also on the reliability of the encryption scheme. It is possible to use the symmetric algorithm 3DES, AES, or the asymmetric algorithm RSA ECC, etc., even the national cipher SM2 SM4, etc.

And 14, externally hanging a real-time clock chip for preventing system faults, thereby automatically restarting the system.

15, a level conversion chip.

16bit ADC chip for the ADC signal acquisition of system, the accuracy is high.

And 17/18:2 high-precision low-temperature drift operational amplifiers are used for current signal acquisition of the system.

The embodiment of the utility model can realize low sleep power consumption and greatly improve the endurance capacity of the node; by carrying the shrapnel antenna, the LoRa data transmission distance breaks through to be 10km; the system has a set of complete development platform, and a customer can check the environment monitoring data of the customer on the corresponding platform at will; the stability of the radio frequency performance system is high and the cost is low.

Optionally, the detector further includes a key module, and the key module is used for bluetooth wake-up configuration.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a detector of low-power consumption wide area network based on environmental monitoring which characterized in that: the detector comprises at least: acquisition module, control module and antenna module, wherein:

the antenna module is used for providing a transmitting signal for the control module;

the detector also comprises a low-temperature drift operational amplifier, wherein the low-temperature drift operational amplifier is connected with the control module and is used for current signal acquisition.

2. The low power wide area network based on environmental monitoring detector of claim 1, wherein the acquisition module comprises at least a sensor, the sensor being connected to the control module via a Uart protocol or an IIC protocol.

3. The environment monitoring-based low power consumption wide area network detector according to claim 1, further comprising a bluetooth module, wherein the bluetooth module is connected to the control module, and is configured to connect to a mobile device, and perform firmware upgrade and system configuration through the mobile device.

4. The environment monitoring-based low power consumption wide area network detector according to claim 1, wherein the control module comprises at least a LoRa-E5 module, and the control module is configured to transmit a video signal.

5. The low power wide area network based on environmental monitoring detector of claim 3, further comprising a storage module, wherein the storage module is connected to the control module, and wherein the storage module is configured to store system information.

6. The low power wide area network based on environmental monitoring detector of claim 1, further comprising an encryption module coupled to the control module, the control module encrypting the collected environmental data and the processed data.

7. The low power wide area network based on environmental monitoring detector of claim 1, further comprising an analog-to-digital conversion module, wherein the analog-to-digital conversion module is respectively connected to the acquisition module and the control module, and is configured to convert the acquired analog environmental data into a digital signal, and transmit the digital signal to the control module.

8. The low power wide area network based on environmental monitoring detector of claim 1, further comprising an indication module for bluetooth configuration display and network access indication of the low power wide area network.

9. The low power wide area network based on environmental monitoring detector of claim 1, further comprising a key module for a bluetooth wakeup configuration.