CN210117777U

CN210117777U - STM 32-based urban sewer and septic tank hazard source online monitoring system

Info

Publication number: CN210117777U
Application number: CN201920319309.5U
Authority: CN
Inventors: 何栋; 徐珍喜; 林沂; 李律万; 张松
Original assignee: Tongfang Taide (chongqing) Technology Co Ltd
Current assignee: Tongfang Taide (chongqing) Technology Co Ltd
Priority date: 2019-03-13
Filing date: 2019-03-13
Publication date: 2020-02-28
Anticipated expiration: 2029-03-13

Abstract

The utility model discloses an STM 32-based development urban sewer and septic tank danger source on-line monitoring system, which comprises an STM32 single chip microcomputer, a UPS power supply module, a power cord, a storage battery, a liquid level relay and a wireless transmission module, the utility model discloses an STM 32-based development urban sewer and septic tank danger source on-line monitoring system, through developing the urban sewer and septic tank danger source on-line monitoring system which takes the STM32 single chip microcomputer as a control core, the dual-loop power supply is adopted through the UPS power supply module, the power cord and the storage battery, the electricity utilization of the acquisition system is ensured to be normal, the acquisition information is comprehensive through the detection and protection of the liquid level relay, the gas taking detection is carried out through a second relay, the air pump and the gas analyzer, and the exhaust feedback is carried out through the first relay and the air pump, thereby the safety is improved, the wireless transmission module is a, the problem of this singlechip function singleness, only have one-way collection function and lack the control to corresponding equipment is solved.

Description

STM 32-based urban sewer and septic tank hazard source online monitoring system

Technical Field

The utility model relates to a based on STM32 development city sewer and septic tank danger source on-line monitoring system belongs to city environmental monitoring protection technical field.

Background

Urban sewers and septic tanks are used for receiving and conveying domestic sewage and industrial wastewater, but because the environment is relatively closed, a large amount of toxic, harmful, flammable and explosive gas is easily generated, people are poisoned if the gas leaks, and explosion is easily generated if open fire occurs, so that detection of dangerous sources such as sewer and septic tank methane and the like is particularly important.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a develop city sewer and septic tank danger source on-line monitoring system based on STM32 to solve this singlechip function singleness, only have one-way collection function and lack the problem to the control of corresponding equipment.

In order to achieve the above purpose, the present invention is realized by the following technical solution: an on-line monitoring system for urban sewer and septic tank danger sources based on STM32 development comprises an STM32 single chip microcomputer, a UPS power module, a power line, a storage battery, a liquid level relay, a wireless transmission module, a server, a first relay, an exhaust pump, a second relay, an air suction pump, a gas analyzer and an analog/digital conversion module, wherein the STM32 single chip microcomputer is electrically connected with the UPS power module, the power line and the storage battery are electrically connected through the UPS power module, the liquid level relay is electrically connected with the STM32 single chip microcomputer, the wireless transmission module is electrically connected with the STM32 single chip microcomputer, the server is wirelessly connected with the wireless transmission module, the first relay is electrically connected with the STM32 single chip microcomputer, the exhaust pump is electrically connected with the first relay, the second relay is electrically connected with the STM32 single chip microcomputer, the second relay is electrically connected with the air suction pump, the analog/digital conversion module is electrically connected with the gas analyzer and the STM32 singlechip.

Further, an RS232 interface of the STM32 singlechip control system is connected with the wireless transmission module, and the acquired liquid level state value and the acquired methane concentration value are sent to the wireless transmission module.

Further, an I/O interface of the STM32 singlechip control system is connected with a signal line of the air suction pump.

Further, an I/O interface of the STM32 singlechip control system is connected with a signal wire of the gas detector, and outputs a current signal of 4-20 milliamperes according to the gas detector.

Further, the single chip microcomputer controls the wireless transmission module to send the heartbeat packet to the cloud platform once per minute according to the STM 32.

Further, the air outlet of the exhaust pump is arranged outside a city sewer or a septic tank.

Further, the air exhaust part of the air exhaust pump is arranged outside the urban sewer or the septic tank.

The utility model relates to an STM-based urban sewer and septic tank hazard source online monitoring system, by developing an urban sewer and septic tank hazard source on-line monitoring system taking an STM single chip microcomputer as a control core, the dual-loop power supply is adopted through a UPS power module, a power line and a storage battery, the acquisition system is ensured to be normally powered, the instrument is detected and protected through a liquid level relay, the acquired information is comprehensive, the gas taking detection is carried out through a second relay, a gas pump and a gas analyzer, and the exhaust protection is carried out through a first relay and an exhaust pump, thereby improving the safety, the wireless transmission module feeds back the timing information to the server, greatly reducing the operation cost of the hardware terminal equipment, meanwhile, the stability of the system is improved, on the other hand, the control function is developed in the system, the urban scientific management level can be effectively improved, and the problems that the single-chip microcomputer is single in function, only has a one-way acquisition function and lacks control over corresponding equipment are solved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic diagram of the system structure of the present invention;

in the figure: the system comprises an STM32 single chip microcomputer-1, an UPS power module-2, a power line-3, a storage battery-4, a liquid level relay-5, a wireless transmission module-6, a server-7, a first relay-8, an exhaust pump-9, a second relay-10, an air pump-11, a gas analyzer-12 and an analog/digital conversion module-13.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Please refer to fig. 1, the utility model provides an on-line monitoring system for urban sewer and septic tank hazard source based on STM32 development: comprises an STM32 singlechip 1, a UPS power module 2, a power line 3, a storage battery 4, a liquid level relay 5, a wireless transmission module 6, a server 7, a first relay 8, an exhaust pump 9, a second relay 10, an air pump 11, a gas analyzer 12 and an analog/digital conversion module 13, STM32 singlechip 1 is connected with UPS power module 2 electricity, power cord 3 and battery 4 all are connected through UPS power module 2 electricity, liquid level relay 5 carries out the electricity with STM32 singlechip 1 and is connected, wireless transmission module 6 is connected with STM32 singlechip 1 electricity, server 7 and 6 wireless connection of wireless transmission module, first relay 8 is connected with STM32 singlechip 1 electricity, air discharge pump 9 is connected with first relay 8 electricity, second relay 10 is connected with STM32 singlechip 1 electricity, second relay 10 is connected with air suction pump 11 electricity, air suction pump 11 is connected with gas analysis appearance 12 electricity, analog/digital conversion module 13 is connected with STM32 singlechip 1 electricity.

And an RS232 interface of the STM32 singlechip control system is connected with a wireless transmission module and sends the acquired liquid level state value and the methane concentration value to the wireless transmission module.

Wherein, the I/O interface of STM32 singlechip control system is connected with the signal line of air pump.

Wherein, the I/O interface of the STM32 singlechip control system is connected with a signal wire of the gas detector and outputs a current signal of 4-20 milliamperes according to the gas detector.

And controlling the wireless transmission module to send the heartbeat packet to the cloud platform once per minute according to the STM32 single chip microcomputer.

Wherein, the air outlet of the exhaust pump is arranged outside a city sewer or a septic tank.

Wherein, the air exhaust part of the air exhaust pump is arranged outside the urban sewer or the septic tank.

When a user wants to use the system, firstly, all parts and equipment of the urban sewer and septic tank danger source on-line monitoring system developed based on STM32 are installed at proper positions, then, a control unit of an STM32 single chip microcomputer 1 adopts a UPS power supply module 2, a power line 3 and a storage battery 4 for supplying power to ensure that the acquisition system is normal in power consumption, the STM32 single chip microcomputer 1 can realize acquisition of methane concentration, control cabinet temperature, sewer liquid level, power supply state, system time, equipment position number and control cabinet door prohibition information, during the use process, the acquisition information is comprehensive by detecting and protecting an instrument through a liquid level relay 5, the second relay 10 and the air extracting pump 11 realize extraction of methane gas of the sewer and the septic tank, the control gas analyzer 12 realizes detection of the concentration value of the extracted methane gas, and the sampling frequency of the air extracting pump 11 can be automatically switched according to the condition of the concentration of the on-site danger source gas, when the measured methane concentration value reaches an alarm value, stopping a sampling program, connecting an I/O interface of an STM32 singlechip 1 control system with a signal line of an air suction pump 11, feeding back an STM32 singlechip 1 control system to the air discharge pump 9 and starting the air discharge pump 9, stopping discharging after air suction is carried out for 10 minutes (adjustable air suction time), starting the sampling program, continuing the sampling program after the measured concentration is qualified, otherwise continuing air discharge, connecting the I/O interface of the STM32 singlechip control system with a signal line of a liquid level sensor 5 of a liquid level relay 5, and stopping the air suction process of the air suction pump 11 by the STM32 singlechip 1 control system once the liquid level under a sewer or septic tank well cover is higher than a water level warning line during air suction and air discharge processes so as to prevent liquid from being sucked into an instrument to damage the instrument until the liquid level under the well cover is lower than the water level warning line, and normally, the gas taking detection is carried out, the first relay 8 and the exhaust pump 9 carry out exhaust protection, so that the safety is improved, the analog/digital conversion module 13 is electrically connected with the gas analyzer 12, the wireless transmission module 6 feeds back timing information to the server 7, finally, an RS232 interface of an STM32 singlechip 1 control system is connected with the wireless transmission module 6, the acquired liquid level state value and the methane concentration value are transferred and stored to the wireless transmission module 6, meanwhile, according to a set communication protocol, the wireless transmission module 6 is controlled to send a heartbeat packet to the server 7 every minute, meanwhile, the wireless transmission module is controlled to send a data packet to the server 7 every fifth minute, the process is circularly operated, the operation cost of hardware terminal equipment is greatly reduced, the stability of the system is improved, on the other hand, the control function is developed in the system, the urban scientific management level can be effectively improved, the problem of this singlechip function singleness, only have one-way collection function and lack the control to corresponding equipment is solved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a development city sewer and septic tank danger source on-line monitoring system based on STM32 which characterized in that: the intelligent gas-liquid separation device comprises an STM32 single chip microcomputer (1), a UPS power module (2), a power line (3), a storage battery (4), a liquid level relay (5), a wireless transmission module (6), a server (7), a first relay (8), an exhaust pump (9), a second relay (10), an air suction pump (11), a gas analyzer (12) and an analog/digital conversion module (13), wherein the STM32 single chip microcomputer (1) is electrically connected with the UPS power module (2), the power line (3) and the storage battery (4) are electrically connected through the UPS power module (2), the liquid level relay (5) is electrically connected with the STM32 single chip microcomputer (1), the wireless transmission module (6) is electrically connected with the STM32 single chip microcomputer (1), the server (7) is wirelessly connected with the wireless transmission module (6), the first relay (8) is electrically connected with the STM32 single chip microcomputer (1), the exhaust pump (9) is connected with first relay (8) electricity, second relay (10) is connected with STM32 singlechip (1) electricity, second relay (10) is connected with aspiration pump (11) electricity, aspiration pump (11) is connected with gas analysis appearance (12) electricity, analog/digital conversion module (13) is connected with STM32 singlechip (1) electricity.

2. The STM 32-based urban sewer and septic tank hazard source on-line monitoring system developed according to claim 1, wherein: and an RS232 interface of the STM32 singlechip (1) control system is connected with the wireless transmission module (6) and sends the acquired liquid level state value and the methane concentration value to the wireless transmission module (6).

3. The STM 32-based urban sewer and septic tank hazard source on-line monitoring system developed according to claim 1, wherein: and an I/O interface of a control system of the STM32 singlechip (1) is connected with a signal line of the air suction pump (11).

4. The STM 32-based urban sewer and septic tank hazard source on-line monitoring system developed according to claim 1, wherein: an I/O interface of the STM32 singlechip (1) control system is connected with a signal wire of a gas analyzer (12), and outputs a current signal of 4-20 milliamperes according to the gas analyzer (12).

5. The STM 32-based urban sewer and septic tank hazard source on-line monitoring system developed according to claim 1, wherein: according to STM32 singlechip (1) control wireless transmission module (6) send heartbeat package to cloud platform once per minute.

6. The STM 32-based urban sewer and septic tank hazard source on-line monitoring system developed according to claim 1, wherein: and the air outlet of the exhaust pump (9) is arranged outside a city sewer or a septic tank.

7. The STM 32-based urban sewer and septic tank hazard source on-line monitoring system developed according to claim 1, wherein: the air exhaust part of the air exhaust pump (11) is arranged outside the urban sewer or septic tank.