CN204516019U

CN204516019U - A kind of super low-power consumption wireless industrial data acquisition system (DAS)

Info

Publication number: CN204516019U
Application number: CN201520146595.1U
Authority: CN
Inventors: 张晓彤; 田野; 万亚东; 王鹏
Original assignee: University of Science and Technology Beijing USTB
Current assignee: University of Science and Technology Beijing USTB
Priority date: 2015-03-16
Filing date: 2015-03-16
Publication date: 2015-07-29
Anticipated expiration: 2025-03-16

Abstract

The utility model belongs to data acquisition technology field, be specifically related to a kind of super low-power consumption wireless industrial data acquisition system (DAS), described acquisition system comprises data acquisition unit, bunch head unit assembly and converges unit block, described data acquisition unit connects bunch head unit assembly by less radio-frequency, described bunch of head unit assembly is by the convergence unit block of another less radio-frequency attended operation indoor, and described convergence unit block connects host computer; Described bunch of head unit assembly comprises wireless bunch of head unit, redundancy bunch head unit and wireless alarm units; Described convergence unit block comprises wireless convergence unit and redundancy converges unit, the beneficial effects of the utility model: the coverage expanding antenna transmission by arranging multiple radio receiving unit, simultaneously by multiple different transmission mode, multiple transmission mode is independent of each other mutually, makes whole system more stable.

Description

A kind of super low-power consumption wireless industrial data acquisition system (DAS)

Technical field

The utility model belongs to data acquisition technology field, is specifically related to a kind of super low-power consumption wireless industrial data acquisition system (DAS).

Background technology

Industrial data collection is the information tie between on-the-spot automation control appliance and administration and supervision authorities, sets up and improve the emphasis that automatic data acquisition system (ADAS) has become process industry IT application in enterprise.

At present, many enterprises, in each link work of data acquisition, use sensor to add collecting device usually, the data collected are sent to terminal by cable usually, data have hysteresis quality, do not have real time alarm function, and cable wiring installation is loaded down with trivial details, extendability is poor, cost is high.

In addition, because the mounting condition restriction of industrial data collection equipment is more, cannot power transmission line be all used to power anywhere, so data acquisition equipment adopts powered battery usually, and the restriction of mounting condition can cause replacing battery very difficult, so this just has higher requirement to data acquisition equipment power consumption.

Utility model content

In order to effectively solve the problem, the utility model provides the data acquisition system (DAS) of a kind of real-time data acquisition, Realtime Alerts, Wireless Data Transmission and low-power consumption.

A kind of super low-power consumption wireless industrial data acquisition system (DAS), described acquisition system comprises data acquisition unit, bunch head unit assembly and converges unit block, described data acquisition unit connects bunch head unit assembly by 433MHz less radio-frequency, described bunch of head unit assembly is by the convergence unit block of 2.4GHz less radio-frequency attended operation indoor, and described convergence unit block connects host computer;

Described bunch of head unit assembly comprises wireless bunch of head unit, redundancy bunch head unit and wireless alarm units; Described convergence unit block comprises wireless convergence unit and redundancy converges unit.

Further, described data acquisition unit comprises data sampling sensor, data acquisition single-chip microcomputer, the 433M radio-frequency module of data acquisition unit and battery, described data sampling sensor gathers single-chip microcomputer by I/O mouth connection data, the 433M radio-frequency module of described data acquisition single-chip microcomputer connection data collecting unit; The 433M radio-frequency module of described data acquisition unit is connected with a bunch head unit assembly.

Further, described wireless bunch of head unit, redundancy bunch head unit and wireless alarm units include a bunch head unit Mash module, bunch head unit 433M radio-frequency module, bunch head unit single-chip microcomputer and bunch head unit power interface, described bunch of head unit 433M radio-frequency module is connected with the 433M radio-frequency module of data acquisition unit and communicates, and described bunch of head unit 433M radio-frequency module connects described bunch head unit single-chip microcomputer by serial ports; Described bunch of head unit single-chip microcomputer connects bunch head unit Mesh module by another serial ports; Bunch head unit Mesh module is connected with convergence unit block.

Further, described wireless convergence unit and redundancy convergence unit include and converge unit Mesh module, string turns net module, convergence unit 433M radio-frequency module, convergence unit single-chip microcomputer, convergence unit power interface and network interface, described convergence unit Mesh module and bunch head unit Mesh model calling; Described convergence unit single-chip microcomputer respectively with convergence unit Mesh module, go here and there to turn net module one end and converge unit 433M radio-frequency module and be connected; String turns the net module other end and is connected with network interface.

The beneficial effects of the utility model: the coverage expanding antenna transmission by arranging multiple radio receiving unit, simultaneously by multiple different transmission mode, multiple transmission mode is independent of each other mutually, make whole system more stable, application I/O pin powered, work and the stopping of peripheral hardware can be controlled, reduce power consumption.

Accompanying drawing explanation

Fig. 1 is one-piece construction schematic diagram of the present utility model;

Fig. 2 is structure and the data flow schematic diagram of wireless bunch of head unit of the present utility model;

Fig. 3 is structure and the data flow schematic diagram of wireless convergence node of the present utility model;

Fig. 4 is wireless convergence unit-wireless bunch head unit frequency division protocol schematic diagram of the present utility model.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is explained in further detail.Should be appreciated that specific embodiment described herein only for explaining the utility model, and be not used in restriction the utility model.

On the contrary, the utility model is contained any by the substituting of making on marrow of the present utility model and scope of defining of claim, amendment, equivalent method and scheme.Further, in order to make the public have a better understanding to the utility model, in hereafter details of the present utility model being described, detailedly describe some specific detail sections.

As shown in Figure 1, for a kind of super low-power consumption wireless industrial data acquisition system (DAS) that the utility model provides, described system comprises data acquisition unit 1, bunch head unit assembly 2 and converges unit block 3, the data collected are sent to a bunch head unit assembly 2 by 433MHz less radio-frequency by wherein said data acquisition unit 1, the data received are sent to by 2.4GHz less radio-frequency on the convergence unit block 3 in operation room by described bunch of head unit assembly 2, and the data received are passed to host computer by network by described convergence unit block 3.

Described data acquisition unit 1 is arranged on the device of the required image data of commercial production, there is N number of measuring point, measuring point can have N number of, and the data such as image data, unit number, group number, collection period are transferred to a bunch head unit assembly by data acquisition unit; Described bunch of head unit assembly comprises wireless bunch of head unit, redundancy bunch head unit and wireless alarm units, and one of them is wireless, and bunch head unit approximately manages N/L data acquisition unit 1, is totally divided into L bunch; Described bunch of head unit assembly 2 is positioned at the position near detected device, is convenient to the data that the data acquisition unit 1 near collecting sends; Described convergence unit block 3 is positioned at operation room, and described convergence unit block 3 comprises redundancy and converges unit and wireless convergence unit.

As shown in Figure 2, for the structural representation of data acquisition unit in the utility model system, described data acquisition unit 1 comprises data sampling sensor 14, data acquisition single-chip microcomputer 12, the 433M radio-frequency module 13 of data acquisition unit and battery 11, described battery 11 carries out powering to data acquisition unit 1, the data that described data sampling sensor 14 collects by I/O oral instructions to data acquisition single-chip microcomputer 12; Data acquisition single-chip microcomputer 12 is undertaken communicating by serial ports and radio frequency and the data collected or alarming value is sent to the 433M radio-frequency module 13 of data acquisition unit; The 433M radio-frequency module 13 of data acquisition unit uses 433MHz frequency carry out communicating with wireless bunch of head unit 433M radio-frequency module 21 and send the data and alarming value that receive from data acquisition single-chip microcomputer 12.

As shown in Figure 3, for the structural representation of wireless bunch of head unit in the utility model system, described wireless bunch of head unit comprises a bunch head unit Mash module 24, bunch head unit 433M radio-frequency module 21, bunch head unit single-chip microcomputer 22 and bunch head unit power interface 23, and bunch head unit 433M radio-frequency module 21 uses 433MHz frequency and the 433M radio-frequency module 13 of data acquisition unit to carry out communicating and send the data received or alarming value to a bunch head unit single-chip microcomputer 22 by serial ports; Bunch head unit single-chip microcomputer 22 carries out communicating with a bunch head unit Mesh module 24 by serial ports and the data collected or alarming value is sent to a bunch head unit Mesh module 24; Bunch head unit Mesh module 24 uses 2.4GHz frequency carry out communicating with the convergence unit Mesh module 36 in wireless convergence unit and send the data or alarming value that receive from bunch head unit single-chip microcomputer 22.

Described redundancy bunch head unit and wireless alarm units identical with wireless bunch of head unit structure, its difference be described redundancy bunch head unit for backup, wireless alarm units be used for report to the police; Described data acquisition unit in the case of a high temperature, simply triggers reflection, switching channels by arranging in single-chip microcomputer, sends data to wireless alarm units, and wireless alarm units is passed to wireless convergence unit data again and realized reporting to the police.

As shown in Figure 4, for the structural representation of convergence unit wireless in the utility model system, described wireless convergence unit comprises convergence unit Mesh module 36, string turns net module 35, converges unit 433M radio-frequency module 31, converges unit single-chip microcomputer 32, converges unit power interface 33 and network interface 34, and described convergence unit Mesh module 36 uses 2.4GHz frequency and a bunch head unit Mesh module 24 to carry out communications reception its data sent or alarming value; Converge unit single-chip microcomputer 32 by serial ports with converge unit Mesh module 36 and carry out communicating and receive and converge the temperature data and other information that unit Mesh module 36 sends; String turn net module 35 by serial ports with converge unit single-chip microcomputer 32, receive and converge data or alarming value that unit single-chip microcomputer 32 sends and be sent to host computer by Ethernet interface 34 and netting twine.

Claims

1. a super low-power consumption wireless industrial data acquisition system (DAS), it is characterized in that, described acquisition system comprises data acquisition unit, bunch head unit assembly and converges unit block, described data acquisition unit connects bunch head unit assembly by 433MHz less radio-frequency, described bunch of head unit assembly is by the convergence unit block of 2.4GHz less radio-frequency attended operation indoor, and described convergence unit block connects host computer;

2. acquisition system according to claim 1, it is characterized in that, described data acquisition unit comprises data sampling sensor, data acquisition single-chip microcomputer, the 433M radio-frequency module of data acquisition unit and battery, described data sampling sensor gathers single-chip microcomputer by I/O mouth connection data, the 433M radio-frequency module of described data acquisition single-chip microcomputer connection data collecting unit; The 433M radio-frequency module of described data acquisition unit is connected with a bunch head unit assembly.

3. acquisition system according to claim 2, it is characterized in that, described wireless bunch of head unit, redundancy bunch head unit and wireless alarm units include a bunch head unit Mash module, bunch head unit 433M radio-frequency module, bunch head unit single-chip microcomputer and bunch head unit power interface, described bunch of head unit 433M radio-frequency module is connected with the 433M radio-frequency module of data acquisition unit and communicates, and described bunch of head unit 433M radio-frequency module connects described bunch head unit single-chip microcomputer by serial ports; Described bunch of head unit single-chip microcomputer connects bunch head unit Mesh module by another serial ports; Bunch head unit Mesh module is connected with convergence unit block.

4. acquisition system according to claim 3, it is characterized in that, described wireless convergence unit and redundancy convergence unit include and converge unit Mesh module, string turns net module, convergence unit 433M radio-frequency module, convergence unit single-chip microcomputer, convergence unit power interface and network interface, described convergence unit Mesh module and bunch head unit Mesh model calling; Described convergence unit single-chip microcomputer respectively with convergence unit Mesh module, go here and there to turn net module one end and converge unit 433M radio-frequency module and be connected; String turns the net module other end and is connected with network interface.