CN210574265U

CN210574265U - Data transmission system

Info

Publication number: CN210574265U
Application number: CN201921540388.9U
Authority: CN
Inventors: 曹东东; 刘越; 黎长枫
Original assignee: Henan Daneng Environmental Protection Technology Co Ltd
Current assignee: Henan Daneng Environmental Protection Technology Co Ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-05-19
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses a data transmission system, include: the system comprises a server, a host and nodes, wherein lora communication connection is established between the host and a plurality of the nodes, and gprs communication connection is established between the server and a plurality of the hosts; the data is transmitted between the host and the plurality of nodes through the established lora wireless transmission channel, and the data is transmitted between the server and the plurality of hosts through the established gprs wireless transmission channel. The utility model completes data transmission through lora and GPRS, can realize data acquisition and transmission without laying cables, greatly reduces material cost and labor cost, and effectively reduces the difficulty of later maintenance; the transmission distance can reach 10000 meters in open areas, and 4-8 floors can be penetrated between floors; the movable type steel plate can be assembled and disassembled at any time, the assembly and the disassembly are simple and convenient, the assembly only needs to be completed by dialing and placed in a corresponding place, and the movable type steel plate can be directly taken away during the disassembly.

Description

Data transmission system

Technical Field

The utility model relates to a data transmission technical field, concretely relates to data transmission system.

Background

At present, in the prior art, data transmission is mostly performed in a wired transmission or power carrier mode. However, the cost of wired transmission is too high, and cable laying is too complicated to be difficult in practical applications. The power carrier mode is transmitted through the existing power cable, but the interference among three phases is too large, which affects the accuracy of data acquisition, and meanwhile, a data acquisition unit needs to be installed on each phase, so that the cost is correspondingly increased.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a data transmission system, include: the system comprises a server, a host and nodes, wherein lora communication connection is established between the host and a plurality of the nodes, and gprs communication connection is established between the server and a plurality of the hosts;

the data is transmitted between the host and the plurality of nodes through the established lora wireless transmission channel, and the data is transmitted between the server and the plurality of hosts through the established gprs wireless transmission channel.

Preferably, the host includes a lora concentrator, the node includes a lora slave, and a plurality of lora wireless transmission channels are established between the lora concentrator and the plurality of lora slaves.

Preferably, the host further comprises a GPRS communication module, and a GPRS wireless transmission channel is established between the server and the GPRS communication modules.

Preferably, the GPRS communication module is a remote M26 module.

Preferably, the host computer further comprises a DI module, and the DI module is used for collecting digital quantity of the external water pump.

Preferably, the host further comprises an ADC module, and the ADC module is configured to collect an analog quantity of the external temperature sensor and/or the external pressure sensor and convert the analog quantity into a digital quantity.

Preferably, the node further comprises an ADC module, and the ADC module is configured to collect an analog quantity of the external temperature sensor and/or the external pressure sensor and convert the analog quantity into a digital quantity.

Preferably, the host further comprises an RS485 interface, and the node further comprises an RS485 interface.

Preferably, the host further comprises a controller, the controller is connected with each module of the host, and the controller is connected with each module of the node.

The beneficial effects of the utility model are embodied in:

1) the utility model provides a data transmission system includes server, host computer and node, establishes lora communication connection between host computer and a plurality of node, establishes GPRS communication connection between server and a plurality of host computers, accomplishes data transmission through lora and GPRS, can realize data acquisition and transmission under the condition that need not to lay the cable, material cost and cost of labor reduce by a wide margin to effectively reduce the later maintenance degree of difficulty.

2) The utility model provides a data transmission system, its transmission distance can reach 10000 meters in spacious area, can pierce through 4-8 layers between the floor.

3) The utility model provides a data transmission system can be along with the dress along with using, along with tearing open and follow away, and the installation with demolish simple and convenient, the installation only need dial-up accomplish put in relevant place can, directly take away when demolising.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic diagram illustrating a data transmission system according to an embodiment of the present invention;

fig. 2 is a circuit diagram of a data transmission system according to an embodiment of the present invention.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Examples

Fig. 1 is a schematic diagram of a data transmission system according to an embodiment of the present invention. As shown in fig. 1, includes: server 1, host 2, and node 3. The host 2 establishes lora communication connection with a plurality of nodes 3, and the server 1 establishes gprs communication connection with a plurality of hosts 2. The data is transmitted between the host 2 and the plurality of nodes 3 through the established lora wireless transmission channels, and the data is transmitted between the server 1 and the plurality of hosts 2 through the established gprs wireless transmission channels. In the present embodiment, there are 30 hosts 2 and 100 nodes 3.

Fig. 2 is a circuit diagram of a data transmission system according to an embodiment of the present invention. As shown in FIG. 2, the host 2 has the STM32F103VET6 chip as the controller. The controller is connected to the various modules in the host 2 and the controller is also connected to the various modules in the node 3. The host machine 2 is powered by a 12V direct-current power supply, and the node 3 is powered by a 2-section No. 5 dry battery (3V). The host 2 comprises a lora concentrator, the node 3 comprises a lora slave, and a plurality of lora wireless transmission channels are established between the lora concentrator and the lora slave.

The host 2 further comprises a GPRS communication module, and a GPRS wireless transmission channel is established between the server 1 and the GPRS communication modules. Preferably, the GPRS communication module is a remote M26 module. The remote M26 module is a communication module, and a matching SIM card is used for networking and transmitting data with the server 1.

The host 2 further comprises a DI module for collecting digital quantity of the external water pump. In this embodiment, 2 DI modules (with isolation) are used.

The mainframe 2 further comprises an ADC module for acquiring analog quantities of external temperature sensors and/or pressure sensors and converting the analog quantities into digital quantities. In this embodiment, 8 ADC modules are used.

The node 3 further comprises an ADC module for collecting analog quantities of external temperature sensors and/or pressure sensors and converting the analog quantities into digital quantities. In this embodiment, 2 ADC modules are selected.

The host 2 also comprises 1 RS485 interface, 1 RS232 interface and 1 path of relay. The 1-way relay controls the power supply of 12V. The node 3 also comprises 1 RS485 interface and an interface for communicating with the host 2.

The dial switch is used for setting an address, and is a certificate for judging the position of the node.

The data transmission system of this embodiment mainly comes collection data on a large scale through ADC module and DI module, and when a plurality of nodes transmitted the data of gathering for the host computer through a plurality of lora wireless transmission passageways that establish, the host computer passed through the GPRS module with data through GPRS wireless transmission passageway transmission for the server, accomplished data transmission through lora and GPRS promptly.

In summary, the data transmission system provided by this embodiment includes server, host computer and node, establishes lora communication connection between host computer and a plurality of nodes, establishes GPRS communication connection between server and a plurality of host computers, accomplishes data transmission through lora and GPRS, can realize data acquisition and transmission under the condition that need not to lay the cable, and material cost and cost of labor reduce by a wide margin to effectively reduce the later maintenance degree of difficulty.

Furthermore, the data transmission system provided by the embodiment has the transmission distance of 10000 meters in an open area, and can penetrate 4-8 floors between floors.

Furthermore, the data transmission system provided by the embodiment can be assembled at any time and disassembled at any time, the installation and the disassembly are simple and convenient, the installation only needs to be completed by dialing and placed in a corresponding place, and the data transmission system can be directly taken away during the disassembly.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A data transmission system, comprising: the system comprises a server, a host and nodes, wherein lora communication connection is established between the host and a plurality of the nodes, and gprs communication connection is established between the server and a plurality of the hosts;

2. The data transmission system according to claim 1, wherein the master comprises a lora concentrator, the node comprises a lora slave, and a plurality of lora wireless transmission channels are established between the lora concentrator and the plurality of lora slaves.

3. The data transmission system of claim 2, wherein the host further comprises a GPRS communication module, and the server establishes a GPRS wireless transmission channel with a plurality of the GPRS communication modules.

4. The data transmission system of claim 3, wherein the GPRS communication module is a remote M26 module.

5. The data transmission system of claim 2, wherein the host further comprises a DI module for collecting digital values of an external water pump.

6. The data transmission system of claim 2, wherein the host further comprises an ADC module for collecting analog quantities externally connected to the temperature sensor and/or the pressure sensor and converting the analog quantities into digital quantities.

7. The data transmission system of claim 2, wherein the node further comprises an ADC module for collecting analog quantities external to the temperature sensor and/or the pressure sensor and converting them to digital quantities.

8. The data transmission system of claim 2, wherein the host further comprises an RS485 interface, and the node further comprises an RS485 interface.

9. The data transmission system of claim 2, wherein the host further comprises a controller, the controller being coupled to the respective modules of the host, the controller being coupled to the respective modules of the node.