CN203414228U - Intrinsic safety type wireless pressure transmitter device based on 802.11n for coal mine - Google Patents

Intrinsic safety type wireless pressure transmitter device based on 802.11n for coal mine Download PDF

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CN203414228U
CN203414228U CN201320098127.2U CN201320098127U CN203414228U CN 203414228 U CN203414228 U CN 203414228U CN 201320098127 U CN201320098127 U CN 201320098127U CN 203414228 U CN203414228 U CN 203414228U
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module
wifi
coal mine
intrinsic safety
safety type
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李永军
李小明
孙涛
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China Institute of Water Resources and Hydropower Research
North China Institute of Science and Technology
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China Institute of Water Resources and Hydropower Research
North China Institute of Science and Technology
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Abstract

本实用新型基于802.11n的煤矿本安型无线压力变送装置,包括:802.11n的WiFi无线信号收发模块、485通信模块、压力传感模块、数据处理模块、电源模块,用于在矿井下监测水压信息并通过WiFi无线信号进行传输。本实用新型使用的电路全部为本质安全电路,从而使得在煤矿井下恶劣的爆炸性气体环境中仍可以安全使用,在有线网络断网情况下,仍然可以通过WiFi无线网络进行水压数据传输,极大提高了井下水文监测的安全性。

The utility model is based on 802.11n coal mine intrinsically safe wireless pressure transmission device, including: 802.11n WiFi wireless signal transceiver module, 485 communication module, pressure sensing module, data processing module, power supply module, used for monitoring in the mine Water pressure information is transmitted through WiFi wireless signal. The circuits used in the utility model are all intrinsically safe circuits, so that they can still be used safely in the harsh explosive gas environment under the coal mine. In the case of a wired network disconnection, the water pressure data can still be transmitted through the WiFi wireless network, greatly The safety of downhole hydrological monitoring is improved.

Description

一种基于802.11n的煤矿本安型无线压力变送装置A Coal Mine Intrinsically Safe Wireless Pressure Transmitter Based on 802.11n

技术领域technical field

本发明涉及煤矿水文监测领域,尤其涉及一种基于802.11n的煤矿本安型无线压力变送装置。The invention relates to the field of coal mine hydrological monitoring, in particular to an 802.11n-based intrinsically safe wireless pressure transmitter for coal mines.

背景技术Background technique

随着传感器技术和数据通讯技术的发展,一个精度更高、实时性更强、运行更可靠、自动化程度更高,能够连续长期测量并利用计算机分析、辅助决策的,适用各种不同环境的水位(水压)数据进行时实测量和采集,对矿井水害进行及时预报的矿井水文动态智能监测系统,对于及时掌握地下水动态、保证矿井的安全具有重要的现实意义。在日常工作中,该系统通过观测孔水位的变化可以进行矿井涌水量的预计,对矿井规划、发展具有重要指导意义;开采过程中,可以进行采、掘、开工作面涌水量预计,对合理布置排水系统,保证安全生产具有重要作用;突水发生后,可以通过该系统及时掌握地下水位动态变化,对突水水源进行迅速准确的分析、判断,有针对地进行防治水工作,最大限度的减少损失。但目前煤矿井下的水压数据一般是通过有线(RS485或者频率信号)进行数据传输,在发生事故导致断网或者停电情况下,井下的水压数据就不能传输到地面,无从了解现场情况,给排水和施救带来很大的问题。日新月异的现代通信技术可以解决一些普通的通信问题,但是煤矿井下属于恶劣的爆炸性气体环境,所以实现通信前为了保证安全,设备的防爆处理尤为重要。With the development of sensor technology and data communication technology, a water level with higher precision, stronger real-time performance, more reliable operation, higher degree of automation, continuous long-term measurement, computer analysis and auxiliary decision-making, suitable for various environments Real-time measurement and collection of (water pressure) data, and a mine hydrological dynamic intelligent monitoring system for timely forecasting of mine water hazards have important practical significance for timely grasping groundwater dynamics and ensuring mine safety. In daily work, the system can predict the water inflow in the mine by observing the changes in the water level of the hole, which has important guiding significance for mine planning and development; Arranging the drainage system plays an important role in ensuring safe production; after the water inrush occurs, the dynamic change of the groundwater level can be grasped in time through the system, the source of the water inrush can be analyzed and judged quickly and accurately, and water prevention and control work can be carried out in a targeted manner to maximize the Cut your losses. However, at present, the water pressure data in coal mines is generally transmitted through cable (RS485 or frequency signal). Drainage and rescue pose big problems. The ever-changing modern communication technology can solve some common communication problems, but the underground coal mine is a harsh explosive gas environment, so in order to ensure safety before communication, the explosion-proof treatment of equipment is particularly important.

发明内容Contents of the invention

为了解决上述问题,本发明提供了一种在煤矿井下的特殊环境中,不仅能够实现压力数据采集,还可以实时配合其他通信设备通过有线和无线两种方式传送数据信息,并在掉电时存储各种数据信息的基于802.11n的WiFi煤矿本安型无线压力变送装置,本技术方案不仅扩展了功能、降低了成本造价、安装简单、维护方便、而且彻底杜绝了安全隐患。In order to solve the above problems, the present invention provides a special environment in the underground of coal mines, which can not only realize pressure data collection, but also cooperate with other communication devices to transmit data information in two ways, wired and wireless, and store them when power is off. Various data information based on 802.11n WiFi coal mine intrinsically safe wireless pressure transmitter, this technical solution not only expands the function, reduces the cost, simple installation, convenient maintenance, but also completely eliminates potential safety hazards.

本发明基于802.11n的WiFi煤矿本安型无线压力变送装置,包括802.11n的WiFi无线信号收发模块、485通信模块、压力传感模块、数据处理模块、电源模块,所述的802.11n的WiFi无线信号收发模块、485通信模块、压力传感模块、电源模块分别与所述的数据处理模块连接,所述的基于802.11n的WiFi煤矿本安型无线压力变送装置还包括与所述的802.11n的WiFi无线信号收发模块连接的天线。The present invention is based on 802.11n WiFi coal mine intrinsically safe wireless pressure transmitter, including 802.11n WiFi wireless signal transceiver module, 485 communication module, pressure sensing module, data processing module, power supply module, the 802.11n WiFi The wireless signal transceiver module, the 485 communication module, the pressure sensing module, and the power module are respectively connected to the data processing module, and the 802.11n-based WiFi coal mine intrinsically safe wireless pressure transmitter also includes the 802.11n The antenna connected to the WiFi wireless signal transceiver module of n.

所述的基于802.11n的WiFi煤矿本安型无线压力变送装置包括至少1个所述的802.11n的WiFi无线信号收发模块和1个485通信模块,所述的802.11n的WiFi无线信号收发模块与所述的数据处理模块连接进行数据交换,所述的802.11n的WiFi无线信号收发模块每一个至少连接一路天线,所述的802.11n的WiFi无线信号收发模块通过连接的所述的天线与WiFi通信设备进行数据交互。The 802.11n-based WiFi coal mine intrinsically safe wireless pressure transmitter includes at least one 802.11n WiFi wireless signal transceiver module and one 485 communication module, and the 802.11n WiFi wireless signal transceiver module Connect with the data processing module for data exchange, each of the 802.11n WiFi wireless signal transceiver modules is connected to at least one antenna, and the 802.11n WiFi wireless signal transceiver module is connected to the WiFi via the connected antenna The communication device performs data interaction.

所述的电源模块与所述的数据处理模块和压力传感模块连接,为所述的基于802.11n的WiFi煤矿本安型无线压力变送装置提供电源供应。The power supply module is connected with the data processing module and the pressure sensing module to provide power supply for the 802.11n-based WiFi coal mine intrinsically safe wireless pressure transmitter.

所述的数据处理模块设有485通信接口,用于与其它没有802.11n的WiFi接口的基站设备相连,传送压力数据。The data processing module is provided with a 485 communication interface for connecting with other base station equipment without 802.11n WiFi interface to transmit pressure data.

所述的数据处理模块与所述的压力传感模块连接进行数据交换,所述的数据处理模块对数据进行处理并在掉电时存储数据。The data processing module is connected with the pressure sensing module for data exchange, and the data processing module processes the data and stores the data when the power is off.

所述的基于802.11n的WiFi煤矿本安型无线压力变送装置内部的电路全部为本质安全电路。The internal circuits of the 802.11n-based WiFi coal mine intrinsically safe wireless pressure transmitter are all intrinsically safe circuits.

所述的WiFi通信设备包括WiFi通信基站和WiFi网关。The WiFi communication device includes a WiFi communication base station and a WiFi gateway.

所述的数据处理模块通过所述的802.11n的WiFi无线信号收发模块及连接的所述的天线与其他通信设备进行无线数据传输。The data processing module performs wireless data transmission with other communication devices through the 802.11n WiFi wireless signal transceiver module and the connected antenna.

使用中,从所述的压力传感模块发送的数据数据通过数据存储模块进行处理,同时传送给所述的802.11n的WiFi无线信号收发模块和485通信模块,所述的WiFi无线信号收发模块和485通信模块会将数据传送给与之相连的网关设备或者通信基站,网关设备或者通信基站接收后把数据汇总传输到下一级网关设备或者通信基站,直到这些数据传输到地面服务器或地面调度中心为止。反之,从地面调度中心发出的语音等其他数据经所述的WiFi无线信号收发模块反向传输到所述的数据处理模块后,所述的数据处理模块对接收到的数据进行识别处理,如果识别所接收到的数据包的目的地是本压力变送装置,那么就执行相关命令,并通过所述的802.11n的WiFi无线信号收发模块及天线或RS485通信模块将采集到的压力数据发回井上调度中心,从而实现双向通信。In use, the data sent from the pressure sensing module is processed by the data storage module, and simultaneously transmitted to the 802.11n WiFi wireless signal transceiver module and 485 communication module, the WiFi wireless signal transceiver module and The 485 communication module will transmit the data to the gateway device or communication base station connected to it, and the gateway device or communication base station will collect and transmit the data to the next-level gateway device or communication base station after receiving it, until the data is transmitted to the ground server or ground dispatching center until. Conversely, after the voice and other data sent from the ground dispatching center are reversely transmitted to the data processing module through the WiFi wireless signal transceiver module, the data processing module recognizes the received data, and if it recognizes The destination of the received data packet is the pressure transmitter, then execute the relevant command, and send the collected pressure data back to the well through the 802.11n WiFi wireless signal transceiver module and antenna or RS485 communication module Dispatch center, so as to realize two-way communication.

本发明的有益效果是:The beneficial effects of the present invention are:

1.保证了井下所有钻孔的水压数据的实时传输,同时具备有线和无线数据传输方式,可以保证在断网或者断电的情况下,仍能稳定传输井下现场水压数据,保证救援工作的顺利开展。1. Guarantee the real-time transmission of water pressure data of all boreholes in the well, and have wired and wireless data transmission methods at the same time, which can ensure that the on-site water pressure data can still be transmitted stably in the event of a network or power failure, ensuring rescue work of the smooth development.

2.本发明无线通信基于802.11n的WiFi通信协议,同时还可与802.11b/g兼容,具备很好的可扩展性。2. The wireless communication of the present invention is based on the 802.11n WiFi communication protocol, and is also compatible with 802.11b/g, and has good scalability.

3.本本发明802.11n的WiFi矿用本安无线压力变送装置的外壳结构简单加工方便,生产效率大大提高,成本也大大降低。3. The shell structure of the 802.11n WiFi mine intrinsically safe wireless pressure transmitter of the present invention is simple and easy to process, the production efficiency is greatly improved, and the cost is also greatly reduced.

4.另外由于本发明使用的电路全部为本质安全电路,从而使得在煤矿井下恶劣的爆炸性气体环境中仍可以安全使用。4. In addition, because the circuits used in the present invention are all intrinsically safe circuits, they can still be used safely in the harsh explosive gas environment in underground coal mines.

5.本技术方案不仅扩展了功能、降低了成本造价、安装简单、维护方便、而且彻底杜绝了安全隐患。5. The technical solution not only expands the functions, reduces the cost, is simple to install and maintains, but also completely eliminates potential safety hazards.

附图说明Description of drawings

图1是本发明的原理示意框图Fig. 1 is a schematic block diagram of the principle of the present invention

具体实施方式Detailed ways

下面结合附图对本发明进行详细说明,The present invention is described in detail below in conjunction with accompanying drawing,

本实施例为发明优选实施例,凡其原理及基本结构与本发明相同的,均属于本发明的保护范围内。This embodiment is a preferred embodiment of the invention, and those whose principle and basic structure are the same as those of the present invention all belong to the protection scope of the present invention.

参照图1,本发明基于802.11n的WiFi煤矿本安型无线压力变送装置,包括802.11n的WiFi无线信号收发模块、485通信模块、压力传感模块、数据处理模块、电源模块,所述的802.11n的WiFi无线信号收发模块、485通信模块、压力传感模块、电源模块分别与所述的数据处理模块连接,所述的基于802.11n的WiFi煤矿本安型无线压力变送装置还包括与所述的802.11n的WiFi无线信号收发模块连接的天线。Referring to Fig. 1, the present invention is based on 802.11n WiFi coal mine intrinsically safe wireless pressure transmitter, including 802.11n WiFi wireless signal transceiver module, 485 communication module, pressure sensing module, data processing module, power supply module, the described 802.11n WiFi wireless signal transceiver module, 485 communication module, pressure sensor module, power supply module are respectively connected with described data processing module, and described 802.11n-based WiFi coal mine intrinsically safe wireless pressure transmitter also includes and The 802.11n WiFi wireless signal transceiver module is connected to the antenna.

所述的基于802.11n的WiFi煤矿本安型无线压力变送装置包括至少1个所述的802.11n的WiFi无线信号收发模块和1个485通信模块,所述的802.11n的WiFi无线信号收发模块与所述的数据处理模块连接进行数据交换,所述的802.11n的WiFi无线信号收发模块每一个至少连接一路天线,所述的802.11n的WiFi无线信号收发模块通过连接的所述的天线与WiFi通信设备进行数据交互。The 802.11n-based WiFi coal mine intrinsically safe wireless pressure transmitter includes at least one 802.11n WiFi wireless signal transceiver module and one 485 communication module, and the 802.11n WiFi wireless signal transceiver module Connect with the data processing module for data exchange, each of the 802.11n WiFi wireless signal transceiver modules is connected to at least one antenna, and the 802.11n WiFi wireless signal transceiver module is connected to the WiFi via the connected antenna The communication device performs data interaction.

所述的电源模块与所述的数据处理模块和压力传感模块连接,为所述的基于802.11n的WiFi煤矿本安型无线压力变送装置提供电源供应。The power supply module is connected with the data processing module and the pressure sensing module to provide power supply for the 802.11n-based WiFi coal mine intrinsically safe wireless pressure transmitter.

所述的数据处理模块设有485通信接口,用于与其它没有802.11n的WiFi接口的基站设备相连,传送压力数据。The data processing module is provided with a 485 communication interface for connecting with other base station equipment without 802.11n WiFi interface to transmit pressure data.

所述的数据处理模块与所述的压力传感模块连接进行数据交换,所述的数据处理模块对数据进行处理并在掉电时存储数据。The data processing module is connected with the pressure sensing module for data exchange, and the data processing module processes the data and stores the data when the power is off.

所述的基于802.11n的WiFi煤矿本安型无线压力变送装置内部的电路全部为本质安全电路。The internal circuits of the 802.11n-based WiFi coal mine intrinsically safe wireless pressure transmitter are all intrinsically safe circuits.

所述的WiFi通信设备包括WiFi通信基站和WiFi网关。The WiFi communication device includes a WiFi communication base station and a WiFi gateway.

所述的数据处理模块通过所述的802.11n的WiFi无线信号收发模块及连接的所述的天线与其他通信设备进行无线数据传输。The data processing module performs wireless data transmission with other communication devices through the 802.11n WiFi wireless signal transceiver module and the connected antenna.

使用中,从所述的压力传感模块发送的数据数据通过数据存储模块进行处理,同时传送给所述的802.11n的WiFi无线信号收发模块和485通信模块,所述的WiFi无线信号收发模块和485通信模块会将数据传送给与之相连的网关设备或者通信基站,网关设备或者通信基站接收后把数据汇总传输到下一级网关设备或者通信基站,直到这些数据传输到地面服务器或地面调度中心为止。反之,从地面调度中心发出的语音等其他数据经所述的WiFi无线信号收发模块反向传输到所述的数据处理模块后,所述的数据处理模块对接收到的数据进行识别处理,如果识别所接收到的数据包的目的地是本压力变送装置,那么就执行相关命令,并通过所述的802.11n的WiFi无线信号收发模块及天线或RS485通信模块将采集到的压力数据发回井上调度中心,从而实现双向通信。In use, the data sent from the pressure sensing module is processed by the data storage module, and simultaneously transmitted to the 802.11n WiFi wireless signal transceiver module and 485 communication module, the WiFi wireless signal transceiver module and The 485 communication module will transmit the data to the gateway device or communication base station connected to it, and the gateway device or communication base station will collect and transmit the data to the next-level gateway device or communication base station after receiving it, until the data is transmitted to the ground server or ground dispatching center until. Conversely, after the voice and other data sent from the ground dispatching center are reversely transmitted to the data processing module through the WiFi wireless signal transceiver module, the data processing module recognizes the received data, and if it recognizes The destination of the received data packet is the pressure transmitter, then execute the relevant command, and send the collected pressure data back to the well through the 802.11n WiFi wireless signal transceiver module and antenna or RS485 communication module Dispatch center, so as to realize two-way communication.

本发明保证了井下所有钻孔的水压数据的实时传输,同时具备有线和无线数据传输方式,可以保证在断网或者断电的情况下,仍能稳定传输井下现场水压数据,保证救援工作的顺利开展。本发明无线通信基于802.11n的WiFi通信协议,同时还可与802.11b/g兼容,具备很好的可扩展性。本本发明802.11n的WiFi矿用本安无线压力变送装置的外壳结构简单加工方便,生产效率大大提高,成本也大大降低。另外由于本发明使用的电路全部为本质安全电路,从而使得在煤矿井下恶劣的爆炸性气体环境中仍可以安全使用。The present invention ensures the real-time transmission of the water pressure data of all boreholes in the well, and has wired and wireless data transmission modes at the same time, which can ensure that the on-site water pressure data in the well can still be stably transmitted in the event of a network or power failure, ensuring rescue work of the smooth development. The wireless communication of the present invention is based on the 802.11n WiFi communication protocol, and is compatible with 802.11b/g at the same time, and has good scalability. The shell structure of the 802.11n WiFi mine intrinsically safe wireless pressure transmitter of the present invention is simple and convenient to process, the production efficiency is greatly improved, and the cost is also greatly reduced. In addition, because the circuits used in the present invention are all intrinsically safe circuits, it can still be used safely in the harsh explosive gas environment in underground coal mines.

总之,在本发明中,结合煤矿爆炸性气体环境的要求对通信设备做了完整的安全设计,是煤矿安全技术与先进的802.11n的WiFi技术、网络技术良好结合的产物。In a word, in the present invention, a complete security design is made for the communication equipment in combination with the requirements of the coal mine explosive gas environment, which is the product of a good combination of the coal mine safety technology and the advanced 802.11n WiFi technology and network technology.

以上实施例仅用以说明本发明而非限制,本发明也并不仅限于上述举例,一切不脱离本发明的精神和范围的技术方案及其改进,其均应涵盖在本发明的权利要求范围中。Above embodiment is only in order to illustrate the present invention and is unrestricted, and the present invention is also not limited to above-mentioned example, all technical schemes and improvements thereof that do not depart from the spirit and scope of the present invention, it all should be encompassed in the scope of claims of the present invention .

Claims (8)

1. device is sent in the coal mine intrinsic safety type wireless pressure change based on 802.11n, it is characterized in that: the WiFi wireless signal transceiver module, 485 communication modules, pressure sensing module, data processing module, the power module that comprise 802.11n, the WiFi wireless signal transceiver module of described 802.11n, 485 communication modules, pressure sensing module, power module are connected with described data processing module respectively, and the described coal mine intrinsic safety type wireless pressure change based on 802.11n send device also to comprise the antenna being connected with the WiFi wireless signal transceiver module of described 802.11n.
2. device is sent in the coal mine intrinsic safety type wireless pressure change based on 802.11n according to claim 1, it is characterized in that: the WiFi wireless signal transceiver module and 1 485 communication module that comprise the 802.11n described at least 1, the WiFi wireless signal transceiver module of described 802.11n is connected and carries out exchanges data with described data processing module, each at least connects a road antenna WiFi wireless signal transceiver module of described 802.11n, the WiFi wireless signal transceiver module of described 802.11n carries out data interaction by described antenna and the WiFi communication facilities connecting.
3. device is sent in the coal mine intrinsic safety type wireless pressure change based on 802.11n according to claim 1, it is characterized in that: described power module is connected with pressure sensing module with described data processing module, for the described coal mine intrinsic safety type wireless pressure based on 802.11n becomes, send device that power supply supply is provided.
4. device is sent in the coal mine intrinsic safety type wireless pressure change based on 802.11n according to claim 1, it is characterized in that: described data processing module is provided with 485 communication interfaces, for not having the base station equipment of the WiFi interface of 802.11n to be connected with other, transmit pressure data.
5. device is sent in the coal mine intrinsic safety type wireless pressure change based on 802.11n according to claim 1, it is characterized in that: described data processing module is connected and carries out exchanges data with described pressure sensing module, and data are processed and stored when power down to described data processing module to data.
6. device is sent in the coal mine intrinsic safety type wireless pressure change based on 802.11n according to claim 1, it is characterized in that: it is all intrinsically safe circuit that the circuit of device inside is sent in the described coal mine intrinsic safety type wireless pressure change based on 802.11n.
7. device is sent in the coal mine intrinsic safety type wireless pressure change based on 802.11n according to claim 2, it is characterized in that: described WiFi communication facilities comprises WiFi communication base station and WiFi gateway.
8. coal mine intrinsic safety type wireless pressure based on 802.11n according to claim 2 becomes and send device, it is characterized in that: described data processing module carries out Wireless Data Transmission by the WiFi wireless signal transceiver module of described 802.11n and the described antenna of connection and other communication facilitiess.
CN201320098127.2U 2013-03-05 2013-03-05 Intrinsic safety type wireless pressure transmitter device based on 802.11n for coal mine Expired - Fee Related CN203414228U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103837296A (en) * 2013-03-05 2014-06-04 华北科技学院 Coal mine intrinsic safety type wireless pressure transmitting device based on 802.11n
CN105092103A (en) * 2014-05-04 2015-11-25 昆山双桥传感器测控技术有限公司 WIFI based node type pressure sensor and working state management and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103837296A (en) * 2013-03-05 2014-06-04 华北科技学院 Coal mine intrinsic safety type wireless pressure transmitting device based on 802.11n
CN105092103A (en) * 2014-05-04 2015-11-25 昆山双桥传感器测控技术有限公司 WIFI based node type pressure sensor and working state management and control method thereof

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