CN213241468U

CN213241468U - Data remote transmission device based on loRa

Info

Publication number: CN213241468U
Application number: CN202022619148.7U
Authority: CN
Inventors: 杨国庆; 李波; 赵会庆
Original assignee: Booming Hesine Energy & Environment Technology Tianjin Co ltd
Current assignee: Booming Hesine Energy & Environment Technology Tianjin Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-05-18
Anticipated expiration: 2030-11-12

Abstract

The utility model relates to a wireless communication technology field discloses a data remote transmission device based on loRa, including host system, loRa communication module, RGB indicating module and dual power supply module all with the host system electricity is connected, loRa communication module is used for the remote stable transmission of data, RGB indicating module is used for instructing remote data transmission's state, dual power supply module adopts dual power supply's form to provide the power for the system. The system adopts the Lora communication module to solve the traditional difficult mode of cable wiring, saves cost, is easy to use in a large scale, has various state indications, can save the time for installation and debugging of engineering technicians, and can timely overhaul when problems occur in the operation process.

Description

Data remote transmission device based on loRa

Technical Field

The utility model relates to a wireless communication technology field, concretely relates to data remote transmission device based on loRa.

Background

Most of data are collected by a collector at present and then transmitted to an upper computer through a certain industrial bus, and the measuring devices need wiring, so that when the transmission distance is far, the installation and maintenance cost is increased, the reliability is reduced, and collection nodes cannot be flexibly arranged. When the field environment is complex, the difficulty is increased by adopting cable wiring. Of course, wireless wiring methods such as ZigBee, NB-IOT and other technologies are also adopted at present. However, the prior art has the defects that 1. the ZigBee technology has short transmission distance and weak penetrating power; NB-IOT technology requires a tariff to the operator every year; 3. the indicator light is single, and the field installation and debugging are complex; 4. the frequency band is interfered, and a large amount of time is spent for frequency modulation; 5. the power supply mode is single.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a data teletransmission device based on loRa, this system adopts LoRa communication module can solve traditional cable wiring difficult mode, practices thrift the cost, easily uses on a large scale, has multiple state and instructs, can practice thrift engineering technical staff installation and debugging's time to and can in time overhaul at the operation in-process trouble occurrence.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a data teletransmission device based on loRa, includes host system, loRa communication module, RGB indicating module and dual power supply module all with the host system electricity is connected, loRa communication module is used for the remote stable transmission of data, RGB indicating module is used for instructing remote data transmission's state, dual power supply module adopts dual power supply's form to provide the power for the system.

The utility model discloses in, it is further, still include 485 communication module, 485 communication module with host system electricity signal connection, 485 communication module be used for the realization and the host computer between signal transmission.

The utility model discloses in, it is further, still include a key circuit and the outside crystal oscillator circuit of changing frequency, a key circuit, the outside crystal oscillator circuit of changing frequency all with the host system electricity is connected, a key circuit of changing frequency is used for carrying out the frequency channel when the frequency channel receives the interference and switches, outside crystal oscillator circuit is used for providing essential clock signal for host system's singlechip.

Further, the main control module includes a chip U1, the external crystal oscillator circuit includes a crystal oscillator X1, and the crystal oscillator X1 is connected to ports of OSC _ IN and OSC _ OUT of the chip U1, and is configured to implement signal transceiving between the crystal oscillator X1 and the chip U1.

Further, the RGB indication module includes a chip U8, the DIN and CIN ports of the chip U8 are correspondingly connected to the

pins

20 and 19 of the chip U10, and the R, G, B port of the chip U8 is connected to an RGB1 indicator.

In the present invention, preferably, the LoRa communication module includes a chip U2, the DIO0 to DIO2 port of the chip U2 is connected to the PA1 to PA3 port of the chip U1, the 14 to 16 pins of the chip U2 are correspondingly connected to the 11 to 13 pins of the chip U1, so as to realize the information transceiving between the chip U1 and the chip U2.

The utility model discloses in, it is preferred, dual power supply module includes chip U5 and interface P10, and chip U5's input is connected with the 24V power, chip U5 is used for stepping down the 24V power, interface P10 is used for inserting the 220V power.

The 485 communication module comprises a chip U3, RO and DI ports of the chip U3 are correspondingly connected with 18 and 17 ports of the chip U1, 6, 7 and 8 ports of the chip U3 are connected with a 485 interface P7, and the 485 interface P7 is used for realizing communication with an upper computer.

In the present invention, preferably, the one-key frequency conversion circuit includes a switch SW1, and the switch SW1 is connected to the PA0 port of the chip U1.

The NRST port of the chip U1 is connected with a reset circuit, the reset circuit comprises a reset button SW2, and the reset button SW2 is used for resetting the single chip microcomputer.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model relates to a data teletransmission device based on loRa, loRa communication module adopt the model to be SX1278 for the LoRa chip, and host system uses stm32f030f4p6 as host system chip, has realized five kilometers within ranges can stable transmission, solves traditional cable wiring difficult mode, practices thrift the cost, easily uses on a large scale. Meanwhile, the LoRa communication module applies the LoRa spread spectrum technology, and has the advantages of low transmission power density, difficult interference on other equipment, high confidentiality, extremely low possibility of interception, strong anti-interference capability, extremely strong inhibition capability on same frequency interference and various noises, excellent anti-multipath fading performance and the like.

(2) The system is provided with a dual-power supply module, and adopts a dual-power supply mode of supplying power by 7.4V-24V and alternating current by 110V-220V.

(3) The system is provided with an RGB indicating module, an RGB1 indicating lamp is used as a state indicator, and the system can display various colors and quickly judge the state of information transmission in the system.

(4) The system is provided with a one-key frequency conversion circuit, and can be switched quickly when the system is interfered by the same frequency band. And meanwhile, the 485 communication module is communicated with an upper computer to configure module parameters, so that the operation is simple and the use is convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a block diagram of the overall structure of the present invention;

fig. 2 is a schematic circuit diagram of the main control module of the present invention;

FIG. 3 is a circuit diagram of an external crystal oscillator circuit according to the present invention;

fig. 4 is a circuit diagram of the RGB indication module of the present invention;

fig. 5 is a circuit diagram of the LoRa communication module of the present invention;

fig. 6 is a circuit diagram of a 485 communication module according to the present invention;

fig. 7 is a circuit diagram I of a dual power supply module in the present invention;

fig. 8 is a circuit diagram II of a dual power supply module in the present invention;

fig. 9 is a circuit diagram of the one-key frequency conversion circuit and the reset circuit 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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 to 9 simultaneously, a preferred embodiment of the present invention provides a data remote transmission device based on LoRa, including host system, LoRa communication module, RGB indication module and dual power supply module all with the host system electricity is connected, LoRa communication module is used for the remote stable transmission of data, RGB indication module is used for instructing the state of remote data transmission, dual power supply module adopts dual power supply's form to provide the power for the system.

Specifically, in this embodiment, the data transmission that LoRa communication module will gather carries out data analysis for host system, and host system judges whether data is normal according to the condition of receiving the information of gathering to the colour of the RGB1 pilot lamp of control RGB indicating module. And a dual-power supply module is used for providing required power for the whole system. Because the on-site data acquisition in the prior art needs large-scale wiring, the system can solve the problem of the traditional cable wiring difficult mode by adopting the LoRa communication module to acquire and transmit data, saves the cost and is easy to use on a large scale.

Further, the main control module includes a chip U1, the model of the chip U1 is stm32f030f4p6, the external crystal oscillator circuit includes a crystal oscillator X1, and the crystal oscillator X1 is connected to ports of OSC _ IN and OSC _ OUT of the chip U1, so as to implement signal transceiving between the crystal oscillator X1 and the chip U1. Specifically, the external crystal oscillator circuit can be combined with an internal circuit of the chip U1 to provide necessary clock frequency for the single chip microcomputer, so that the program execution in the single chip microcomputer is safer and more stable.

The one-key frequency conversion circuit comprises a switch SW1, and the switch SW1 is connected with a PA0 port of the chip U1. The NRST port of the chip U1 is connected with a reset circuit, the reset circuit comprises a reset button SW2, and the reset button SW2 is used for resetting the single chip microcomputer. Specifically, when the same frequency band is interfered, the main control module controls the switch SW1 to switch the frequency band quickly.

The utility model discloses in, it is further, still include 485 communication module, 485 communication module with host system electricity signal connection, 485 communication module be used for the realization and the host computer between signal transmission. Specifically, the 485 communication module includes chip U3, the RO and DI ports of chip U3 are connected with the 18 and 17 ports of chip U1, the 6, 7 and 8 ports of chip U3 are connected with 485 interface P7, and 485 interface P7 is used for realizing communication with an upper computer. The 485 communication module is communicated with the upper computer, and the parameters of the modules are configured by the upper computer, so that the whole system is simple and convenient to use.

pins

20 and 19 of the chip U10, and the R, G, B port of the chip U8 is connected to an RGB1 indicator. The RGB1 pilot lamp that has different colours is used for instructing different states, can practice thrift engineering technical staff installation and debugging time to and go wrong in the operation in time to overhaul.

In the present invention, preferably, the LoRa communication module includes a chip U2, the DIO0 to DIO2 port of the chip U2 is connected to the PA1 to PA3 port of the chip U1, the 14 to 16 pins of the chip U2 are correspondingly connected to the 11 to 13 pins of the chip U1, so as to realize the information transceiving between the chip U1 and the chip U2. The chip U2 is SX1278, and the chip U1 of the model stm32f030f4p6 is combined, so that stable transmission within a five-kilometer range is realized, the traditional cable wiring difficulty mode is solved, the cost is saved, and the large-scale use is easy. Meanwhile, the chip applies the LoRa spread spectrum technology, and has the advantages of low emission power density, difficult interference to other equipment, high confidentiality, extremely low possibility of interception, strong anti-interference capability, extremely strong inhibition capability to same frequency interference and various noises, excellent anti-multipath fading performance and the like.

The utility model discloses in, it is preferred, dual power supply module includes chip U5 and interface P10, and chip U5's input is connected with the 24V power through electric capacity C12, electric capacity C11, and chip U5's model is XL1509, and this singlechip is the DC/DC converter of 150KHZ fixed frequency pulse width modulation step-down type for step-down 7.4V ~ 24V supplies power with the 24V power, interface P10 is used for inserting and exchanges 220V mains operated. The dual-power supply module also comprises a chip U4 and an input end of a chip U4; the power supply is connected with capacitors C9 and C10, the output end of the power supply is connected with a capacitor C8, and the chip U4 is used for providing a 3.3V single-chip microcomputer power supply.

In the present embodiment, the operation principle is:

two kinds of power supply modes of 7.4V ~ 24V and alternating current 110V ~ 220V of the wide voltage power supply of direct current power supply module adoption in this system supply power, data transmission that will gather through loRa communication module carries out data analysis for host system, host system judges data normally according to the condition of receiving information collection, and the colour of the RGB1 pilot lamp of control RGB pilot module, the RGB1 pilot lamp that has different colours is used for instructing different states, can practice thrift engineering technical staff installation and debugging time, and can in time overhaul at the operation in-process trouble occurrence. Meanwhile, in the communication process, when the communication device is interfered by the same frequency band, the frequency band can be quickly switched through the switch SW1, so that the influence on data transmission is prevented. The master control module is communicated with the upper computer through the 485 communication module, and the parameters of the modules are configured through the upper computer, so that the whole system is simple and convenient to use. Because the on-site data acquisition in the prior art needs large-scale wiring, the system can solve the problem of the traditional cable wiring difficult mode by adopting the LoRa communication module to acquire and transmit data, saves the cost and is easy to use on a large scale.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. The utility model provides a data teletransmission device based on loRa, its characterized in that, includes host system, loRa communication module, RGB indicating module and dual power supply module all with the host system electricity is connected, loRa communication module is used for the collection and the remote stable transmission of data, RGB indicating module is used for instructing remote data transmission's state, dual power supply module adopts dual power supply's form to provide the power for the system.

2. The LoRa-based data remote transmission device according to claim 1, further comprising a 485 communication module, wherein the 485 communication module is in electrical signal connection with the main control module, and the 485 communication module is used for realizing signal transmission with an upper computer.

3. The data remote transmission device based on LoRa of claim 2, further comprising a key frequency conversion circuit and an external crystal oscillator circuit, wherein the key frequency conversion circuit and the external crystal oscillator circuit are both electrically connected to the main control module, the key frequency conversion circuit is used for switching frequency bands when the frequency bands are interfered, and the external crystal oscillator circuit is used for providing basic clock signals for a single chip microcomputer of the main control module.

4. The LoRa-based data remote transmission device according to claim 3, wherein the main control module includes a chip U1, the external crystal oscillator circuit includes a crystal oscillator X1, and the crystal oscillator X1 is connected to ports of OSC _ IN and OSC _ OUT of the chip U1, so as to implement signal transceiving between the crystal oscillator X1 and the chip U1.

5. The LoRa-based data remote transmission device according to claim 4, wherein the RGB indication module comprises a chip U8, DIN and CIN ports of the chip U8 are correspondingly connected with 20 pins and 19 pins of the chip U10, and a RGB1 indicator lamp is connected to a R, G, B port of the chip U8.

6. The LoRa-based data remote transmission device according to claim 4, wherein the LoRa communication module comprises a chip U2, the DIO0 to DIO2 ports of the chip U2 are connected with the PA1 to PA3 ports of the chip U1, and the pins 14 to 16 of the chip U2 are correspondingly connected with the pins 11 to 13 of the chip U1, so as to realize the information transceiving between the chip U1 and the chip U2.

7. The LoRa-based data remote transmission device according to claim 1, wherein the dual power supply module comprises a chip U5 and an interface P10, a 24V power supply is connected to an input end of the chip U5, a chip U5 is used for reducing the voltage of the 24V power supply, and the interface P10 is used for accessing a 220V power supply.

8. The LoRa-based data remote transmission device according to claim 4, wherein the 485 communication module comprises a chip U3, the RO and DI ports of the chip U3 are correspondingly connected with the 18 and 17 ports of the chip U1, the 6, 7 and 8 ports of the chip U3 are connected with a 485 interface P7, and the 485 interface P7 is used for realizing communication with an upper computer.

9. The LoRa-based data remote transmission device according to claim 4, wherein the one-key frequency conversion circuit comprises a switch SW1, and the switch SW1 is connected with a PA0 port of the chip U1.

10. The LoRa-based data remote transmission device according to claim 4, wherein a reset circuit is connected to the NRST port of the chip U1, the reset circuit comprises a reset button SW2, and the reset button SW2 is used for resetting the single chip microcomputer.