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Wireless gas measurement and control system with early warning function

A measurement and control system and wireless technology, applied in signal transmission systems, measuring devices, instruments, etc., can solve problems such as high cost, lack of monitoring, and susceptibility to signal interference, and achieve fast data monitoring, reduce wiring difficulty, and reduce engineering costs. Effect

Inactive Publication Date: 2017-01-11
成都润泰智通石油科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the process of drilling exploration, in order to better understand the situation in the drilling pool, sometimes it is necessary to go deep into the drilling pool for observation, and there are various gases in the drilling pool, including toxic and harmful gases. In order to ensure the personal safety of the monitoring personnel, We need to monitor the content of toxic and harmful gases in real time, so as to remind the monitoring personnel in time, but the existing monitoring can only be static monitoring, lack of special monitoring part, even if there is, it is easy to be interfered by signals, and the cost is high

Method used

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  • Wireless gas measurement and control system with early warning function

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Embodiment 1

[0019] Such as figure 1 As shown, the present invention includes a wireless gas measurement and control system with an early warning function, including a controller, which is connected to a data acquisition unit, a GPRS terminal and a wireless communication module at the same time, wherein the data acquisition unit includes an FPGA master controller, an A / D analog-to-digital converter, eight-channel analog switch and signal conditioning circuit, the A / D analog-to-digital converter and eight-channel analog switch are connected to the FPGA main controller at the same time, and the eight-channel analog switch is also connected to the signal conditioning circuit and A / D The analog-to-digital converter and the signal conditioning circuit are connected to the hydrogen sulfide sensor and the sulfur dioxide sensor at the same time. The FPGA main controller is also connected to a large-capacity memory. The controller is also connected to an alarm module that triggers an alarm threshol...

Embodiment 2

[0025] This embodiment is preferably as follows on the basis of Embodiment 1: the model of the controller is BZ2046. The microcontroller has high resolution and intelligence, and has power-off protection and data protection functions.

[0026] The model of the wireless communication module is KYL-320M. Low power consumption, small size, industrial-grade design, narrow-band communication and strong anti-interference ability, it can work stably in various complex field environments.

[0027] The model of FPGA main controller is XC3S400. Low power consumption and strong processing capability.

[0028] The model of GPRS terminal is AL-GPRS / 232 / T. Support DDP, DNS, VIPS multiple communication modes. With RS232 interface, using this GPRS module, industrial equipment can be wirelessly networked through GPRS without changing any software. Support routing mode, no fixed IP, small size, low power consumption, high stability.

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Abstract

The invention discloses a wireless gas measurement and control system with early warning function. The wireless gas measurement and control system includes a controller. The controller is connected with a data acquisition unit, a GPRS terminal and a wireless communication module at the same time, wherein the data acquisition unit comprises an FPGA main controller, an A / D converter, an eight-channel analog switch and a signal conditioning circuit; the A / D module converter and the eight-channel analog switch are connected with the FPGA main controller at the same time; the eight-channel analog switch is further connected with the signal conditioning circuit and the A / D converter. The signal conditioning circuit is connected with a hydrogen sulfide sensor and a sulfur dioxide sensor. The controller is further connected with an alarm module used for alarming when a collected data triggers an alarm threshold value. Based on the above principle, the wireless gas measurement and control system with early warning function, can collect a data triggering alarm threshold value for reminding the alarm, and transmit alarm information through the wireless transmission, accordingly the wiring difficulty is reduced, signal interference in the transmission process is also reduced, to help customers reduce the cost of the project.

Description

technical field [0001] The invention relates to the field of gas measurement and control, in particular to a wireless gas measurement and control system with an early warning function. Background technique [0002] Gas drilling has been widely used because it can effectively protect low-pressure oil and gas reservoirs, solve vicious lost circulation, differential pressure sticking, and increase ROP. However, in the process of drilling exploration, in order to better understand the situation in the drilling pool, sometimes it is necessary to go deep into the drilling pool for observation, and there are various gases in the drilling pool, including toxic and harmful gases. In order to ensure the personal safety of the monitoring personnel, We need to monitor the content of toxic and harmful gases in real time, so as to remind the monitoring personnel in time, but the existing monitoring can only be static monitoring, lack of special monitoring part, even if there is, it is eas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00G08C17/02
CPCG01N33/0042G01N33/0044G08C17/02
Inventor 俞丹
Owner 成都润泰智通石油科技有限公司
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