CN217718825U

CN217718825U - Combustible gas detection system for methane station

Info

Publication number: CN217718825U
Application number: CN202221520732.XU
Authority: CN
Inventors: 杨航; 简斌; 罗智强; 吴刚
Original assignee: Guizhou Qianying Environmental Sanitation Service Co ltd
Current assignee: Guizhou Qianying Environmental Sanitation Service Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-11-01
Anticipated expiration: 2032-06-17

Abstract

The utility model discloses a biogas station uses combustible gas detection system, combustible gas detection system includes: the system comprises a gas detector, a PLC (programmable logic controller) and a gas concentration detection unit, wherein the gas concentration detection unit is connected with the PLC and is used for detecting the concentration of the detected combustible gas so as to judge whether the methane station is safe or not; the utility model discloses can rely on mobile terminal to let the long-range real-time condition of revealing of marsh gas in the marsh gas station of knowing of administrator, make things convenient for the administrator in time to make emergent reaction in the marsh gas station when marsh gas leaks, the marsh gas concentration in the real time monitoring marsh gas station to realize the ventilation processing in the marsh gas station through PLC controller automatic control ventilation unit, with the marsh gas of revealing in the evacuation marsh gas station, let the gas in the marsh gas station reach safety index all the time.

Description

Combustible gas detection system for methane station

Technical Field

The utility model relates to a methane station safety facility technical field specifically is a methane station uses combustible gas detection system.

Background

The biogas station is an energy station which utilizes sewage, domestic garbage, livestock and poultry breeding and agricultural product processing wastes together to generate biogas and organic fertilizer, realizes centralized gas supply and fertilization and irrigation, and plays a role in multiple effects on new rural construction; in order to better monitor the biogas leakage condition in the biogas station and facilitate better management of the biogas station by a biogas station manager, a combustible gas detection system is often established to check whether biogas leakage occurs in a biogas conveying pipeline in the biogas station.

However, when detecting that biogas in a biogas station leaks, the conventional combustible gas detection system can only send out audible and visual alarm once, when the audible and visual alarm is damaged and cannot give an alarm, biogas leakage always occurs in the biogas station, and when the concentration of the biogas leaked from the biogas station exceeds a safety index, a manager of the biogas station is difficult to be rapidly informed to perform emergency reaction, so that the biogas station has safety accidents such as fire, explosion and the like, and great potential safety hazards are brought to people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biogas station uses combustible gas detection system to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a combustible gas detection system for a biogas station, the combustible gas detection system comprising:

the gas detector is arranged close to a methane conveying pipeline in the methane station, the gas detector is connected with an audible and visual alarm through a gas alarm controller, and the gas alarm controller is used for controlling the audible and visual alarm to realize alarm when the gas detector detects methane leakage of the methane conveying pipeline;

the system comprises a PLC, a gas alarm controller and a communication unit, wherein the PLC is in interactive communication with the gas alarm controller, the PLC is remotely connected with a mobile terminal through the communication unit, one output end of the PLC is connected with a ventilation unit, and the ventilation unit is arranged in a methane station and used for realizing ventilation treatment on the methane station when combustible gas is detected;

and the gas concentration detection unit is connected with the PLC, and is used for detecting the detected combustible gas concentration so as to judge whether the methane station is safe or not.

Preferably, the gas concentration detection unit is composed of a concentration sensor assembly, a central processing unit and a display screen, the concentration sensor assembly is used for detecting combustible gas information and transmitting the combustible gas information to the central processing unit for data processing to form concentration data for data display on the display screen, and the concentration sensor assembly comprises a gas sensor, an electrochemical sensor, an infrared sensor and a PID sensor.

Preferably, the gas alarm controller is connected with the plurality of gas detectors through a field bus.

Preferably, the communication unit contains wired communication module and wireless communication module, and this wired communication module adopts RS485 communication protocol in order to realize PLC controller and gas alarm controller interactive communication, and wireless communication module adopts WIFI communication protocol.

Preferably, an input end of the PLC controller and an input end of the gas alarm controller are both connected to a power supply, and the power supply is a UPS power supply.

The beneficial effects of the utility model are that:

the utility model discloses can rely on mobile terminal to let the long-range real-time condition of revealing of marsh gas in the marsh gas station of knowing of administrator, make things convenient for the administrator in time to make emergency response in the marsh gas station when marsh gas leaks, and when the condition appears marsh gas in detecting the marsh gas station, the marsh gas concentration in the real time monitoring marsh gas station, and realize the ventilation in the marsh gas station through PLC controller automatic control ventilation unit and handle, with the marsh gas of revealing in the scattered marsh gas station of row, let the gas in the marsh gas station reach safety index all the time.

Drawings

FIG. 1 is a schematic block diagram of a combustible gas detection system of the present invention;

fig. 2 is a schematic structural view of the ventilation unit of the present invention.

In the figure: the system comprises a PLC (programmable logic controller) 1, a gas concentration detection unit 2, a communication unit 3, a mobile terminal 4, a gas alarm controller 5, an audible and visual alarm 6, a gas detector 7, a ventilation unit 8 and a fan 801.

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.

Referring to fig. 1-2, the present invention provides a technical solution, a combustible gas detection system for a methane station, the combustible gas detection system comprising: the gas concentration detection device comprises at least one gas detector 7, a PLC (programmable logic controller) 1 and a gas concentration detection unit 2; the gas detector 7 is arranged close to a methane conveying pipeline in the methane station, the gas detector 7 is connected with the audible and visual alarm 6 through the gas alarm controller 5, and the gas alarm controller 5 is used for controlling the audible and visual alarm 6 to realize audible and visual alarm when the gas detector 7 detects methane leakage of the methane conveying pipeline; the audible and visual alarm 6 is an alarm with a model of YD-D3A or A100AC115GE2S or a model of TGSG 01-100; in the embodiment, the gas alarm controller 5 is connected with a plurality of gas detectors 7 through a field bus; the PLC controller 1 is in interactive communication with the gas alarm controller 5, and the PLC controller 1 is remotely connected with a mobile terminal 4 through a communication unit 3; wherein, the gas detector 7 adopts but not limited to Jide nai brand JDN-K6000 or Jindao brand KD-1299 type detector.

In this example, a pin end of the PLC controller 1 is connected to a touch screen, the touch screen is not limited to a SAMSUNG-LT133X1 touch screen, and an output end of the PLC controller 1 is connected to a ventilation unit 8, and the ventilation unit 8 is installed in the biogas station and is configured to perform ventilation processing on the biogas station when combustible gas is detected; the mentioned ventilation unit 8 includes a fan 801, the fan 801 is a Y2F4E low noise type fan or a mini-brand unpowered hood type fan; the gas concentration detection unit 2 is connected with the PLC 1, and the gas concentration detection unit 2 is used for detecting the detected combustible gas concentration to judge whether the methane station is safe or not; the PLC controller 1 is a controller of Siemens S7-200SMART type, S7-300 type or Tada DVP series.

In this embodiment, the gas concentration detection unit 2 is composed of a concentration sensor assembly, a central processing unit and a display screen, wherein the concentration sensor assembly is used for detecting combustible gas information and transmitting the combustible gas information to the central processing unit for data processing to form concentration data for data display on the display screen; the mentioned display screen adopts but not limited to BENQ-1S type or SAMSUNG-3A type or PHILIPS-12DD type or ViewSonic model display screen, and the concentration sensor assembly comprises a gas sensor, an electrochemical sensor, an infrared sensor and a PID sensor; the central processing unit adopts but is not limited to an X86 era CPU or an Intel80386 type processor; the mentioned gas sensor adopts but not limited to a semi-conductor gas sensor, the mentioned PID sensor adopts but not limited to a PID-A1 sensor or a PID-TECH sensor, wherein the infrared sensor adopts but not limited to a GP2YOA21 type red sensor or a GP2D120X type red sensor; wherein, the electrochemical sensor adopts but not limited to IS01-IQ350-E2 type sensor; in this embodiment, the gas concentration detection unit 2 is not limited to a methane concentration detector of RBK-6000-ZL9 type, JC19-MK1KG900lB type or HD-700 type.

In this embodiment, the communication unit 3 includes a wired communication module and a wireless communication module, and the wired communication module adopts an RS485 communication protocol to realize the interactive communication between the PLC controller 1 and the gas alarm controller 5; the wireless communication module adopts but not limited to a WIFI communication protocol, so that the PLC controller 1 and the mobile terminal 4 realize wireless remote interaction; the mentioned mobile terminal 4 is, but not limited to, a tablet, a smart phone, or a notebook computer.

In this embodiment, an input end of the PLC controller 1 and an input end of the gas alarm controller 5 are both connected to a power supply, the power supply is a UPS power supply, and the UPS power supply is a 220V AC power supply; wherein, the gas alarm controller 5 adopts but not limited to HDU6-TAD-300 type or VY007-NT618 type or RBK-6000 type controller.

It is noted thatWhen the combustible gas detection system for the biogas station is used, the combustible gas in the biogas station is detected by the gas detector 7 and the gas concentration detection unit 2, after the combustible gas is detected by the gas detector 7, the gas alarm controller 5 sends out an alarm signal to drive the audible and visual alarm 6 to realize audible and visual alarm, meanwhile, the gas concentration detection unit 2 can detect the concentration condition when the biogas in the biogas station leaks, so as to judge whether the biogas concentration in the biogas station reaches a safety index at the moment, and when the biogas leaked in the biogas station reaches the safety index, the PLC controller 1 is used for controlling the operation of the ventilation unit 8, so that the ventilation in the biogas station is realized, so as to blow off the biogas leaked in the biogas station, and avoid safety accidents caused by overhigh concentration of the biogas station; wherein, the communication unit 3 is used for remotely connecting the mobile phone or the computer of the manager of the biogas station with the PLC controller 1, and the manager can remotely check the condition in the biogas station through the mobile phone or the computer so as to timely make an emergency response when biogas leakage occurs in the biogas station。

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent preferred embodiments of the present invention, which are described in detail and detail, but not to be construed as limiting the scope of the invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which all fall within the protection scope of the present invention; in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be a mechanical connection; the two components can be directly connected or indirectly connected through an intermediate medium, and can be communicated with each other inside the two components or in an interaction relationship of the two components; the detachable installation mode has various modes, for example, a mode of matching with a buckle through plugging, for example, a mode of connecting through a bolt, and the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A biogas station is with combustible gas detection system which characterized in that: the combustible gas detection system includes:

2. The system of claim 1, wherein the system comprises: the gas concentration detection unit is composed of a concentration sensor assembly, a central processing unit and a display screen, wherein the concentration sensor assembly is used for detecting combustible gas information and transmitting the combustible gas information to the central processing unit for data processing to form concentration data to be displayed on the display screen, and the concentration sensor assembly comprises a gas sensor, an electrochemical sensor, an infrared sensor and a PID sensor.

3. The system of claim 1, wherein the system comprises: the gas alarm controller is connected with the plurality of gas detectors through a field bus.

4. The system of claim 1, wherein the system comprises: the communication unit comprises a wired communication module and a wireless communication module, the wired communication module adopts an RS485 communication protocol to realize interactive communication between the PLC and the gas alarm controller, and the wireless communication module adopts a WIFI communication protocol.

5. The system of claim 1, wherein the system comprises: and one input end of the PLC and one input end of the gas alarm controller are both connected with a power supply, and the power supply adopts a UPS power supply.