CN215833774U

CN215833774U - Intelligent measurement and control terminal for drainage monitoring

Info

Publication number: CN215833774U
Application number: CN202120174406.7U
Authority: CN
Inventors: 郑春来; 张卫见; 刘甲军; 李卫东; 李才明
Original assignee: Shandong Zhengyuan Geophysical Information Technology Co ltd
Current assignee: Shandong Zhengyuan Geophysical Information Technology Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2022-02-15
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses an intelligent measurement and control terminal for drainage monitoring, which comprises a microcontroller circuit, an MOS (metal oxide semiconductor) tube output control circuit, a power circuit, a signal acquisition module, an RS485 communication circuit, an automatic power selection module, a voltage acquisition circuit, a state indicator lamp circuit and a data storage circuit, wherein the control end of the controller circuit is connected to the input end of the automatic power selection module and the input end of the MOS tube output control circuit. When the intelligent measurement and control terminal for drainage monitoring is used, after the intelligent measurement and control terminal is analyzed and judged according to collected data, a lithium battery or an external power supply can be automatically selected to supply power to a system, a load module can be automatically restarted, whether a voice alarm is sent or not is judged, and the collected data are finally transmitted to a server through a DTU (data transfer unit) module; the voltage conditions of the lithium battery power supply and the switching power supply are integrally monitored in real time.

Description

Intelligent measurement and control terminal for drainage monitoring

Technical Field

The utility model relates to the technical field of drainage systems, in particular to an intelligent measurement and control terminal for drainage monitoring.

Background

The existing drainage system is inconvenient for monitoring the working state in real time, for example, the data of each flowmeter cannot be monitored in real time, the drainage state of each pipeline is also monitored, the depth of the flowmeter cannot be judged even if the depth of the water depth cannot be known, whether the drainage system needs to be maintained cannot be judged, and therefore a monitoring terminal is needed to monitor the state of each pipeline in real time, and therefore the intelligent drainage monitoring and control terminal is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an intelligent measurement and control terminal for drainage monitoring, which realizes the real-time monitoring of the voltage conditions of a lithium battery power supply and a switching power supply and solves the problem that the state of each pipeline of a drainage system cannot be monitored in real time in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: an intelligent measurement and control terminal for monitoring drainage comprises a microcontroller circuit, an MOS tube output control circuit, a power supply circuit, a signal acquisition module, an RS485 communication circuit, a power supply automatic selection module, a voltage acquisition circuit, a status indicator lamp circuit and a data storage circuit, the control end of the microcontroller circuit is connected to the input end of the power supply automatic selection module and the input end of the MOS tube output control circuit, the power output end of the power supply circuit is connected to the power input end of the microcontroller circuit, the output end of the signal acquisition module is connected to the signal input end of the microcontroller circuit, the signal output end of the voltage acquisition circuit is connected to the signal input end of the microcontroller circuit, the RS485 communication circuit is interconnected with the microcontroller circuit, the output end of the status indicator lamp circuit is connected to the input end of the microcontroller circuit, and the output end of the data storage circuit is connected to the input end of the microcontroller circuit.

Preferably, the microcontroller circuit adopts a chip U5 as a main chip, and the model of the chip U5 is STM 32F.

Preferably, the power supply circuit adopts a chip U1 as a power supply chip, the model of the chip U1 is XL1509, a pin 1 of the chip U1 is connected with the input of a battery end, and a pin 2 of the chip U1 outputs +5V power.

Preferably, the signal acquisition module comprises a photoelectric coupler PO1 and a pin header P6, wherein 4 pins of the photoelectric coupler PO1 are connected with a 3.3V power supply end input, 1 pin of the photoelectric coupler PO1 is connected with 1 pin of the pin header P6, and 2 pins of the pin header P6 are connected with a +5V power supply input.

Preferably, the RS485 communication circuit comprises a chip U3 and a pin bank CN4, the model of the chip U3 is SP485, the 7 pin of the chip U3 is connected to the 2 pin of the pin bank CN4, and the 6 pin of the chip U3 is connected to the 1 pin of the pin bank CN 4.

Preferably, the data storage circuit adopts a chip U4 as a master chip, a pin 6 of the chip U4 is connected to a pin 42 of the chip U5, and a pin 5 of the chip U4 is connected to a pin 43 of the chip U5.

Compared with the prior art, the utility model has the following beneficial effects:

when the intelligent measurement and control terminal for drainage monitoring is used, after the intelligent measurement and control terminal is analyzed and judged according to collected data, a lithium battery or an external power supply can be automatically selected to supply power to a system, a load module can be automatically restarted, whether a voice alarm is sent or not is judged, and the collected data are finally transmitted to a server through a DTU (data transfer unit) module; the voltage conditions of the lithium battery power supply and the switching power supply are integrally monitored in real time.

Drawings

FIG. 1 is a functional block diagram of the present invention;

FIG. 2 is a microcontroller circuit of the present invention;

FIG. 3 is a diagram of an output control circuit of a MOS transistor according to the present invention;

FIG. 4 is a power supply circuit diagram of the present invention;

FIG. 5 is a schematic circuit diagram of a signal acquisition module of the present invention;

FIG. 6 is a diagram of an RS485 communication circuit according to the present invention;

FIG. 7 is a schematic circuit diagram of an automatic power selection module according to the present invention;

FIG. 8 is a circuit diagram of the voltage acquisition of the present invention;

FIG. 9 is a circuit diagram of a status indicator lamp of the present invention;

FIG. 10 is a circuit diagram of a data storage circuit according to the present invention.

In the figure: 1. a microcontroller circuit; 2. the MOS tube output control circuit; 3. a power supply circuit; 4. a signal acquisition module; 5. an RS485 communication circuit; 6. a power automatic selection module; 7. a voltage acquisition circuit; 8. a status indicator light circuit; 9. a data storage circuit.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, an intelligent measurement and control terminal for monitoring drainage comprises a microcontroller circuit 1, an MOS tube output control circuit 2, a power supply circuit 3, a signal acquisition module 4, an RS485 communication circuit 5, a power supply automatic selection module 6, a voltage acquisition circuit 7, a status indicator lamp circuit 8 and a data storage circuit 9, wherein a control end of the microcontroller circuit 1 is connected to an input end of the power supply automatic selection module 6 and an input end of the MOS tube output control circuit 2, a power supply output end of the power supply circuit 3 is connected to a power supply input end of the microcontroller circuit 1, an output end of the signal acquisition module 4 is connected to a signal input end of the microcontroller circuit 1, a signal output end of the voltage acquisition circuit 7 is connected to a signal input end of the microcontroller circuit 1, the 485 RS communication circuit 5 is interconnected with the microcontroller circuit 1, and an output end of the status indicator lamp circuit 8 is connected to an input end of the microcontroller circuit 1, an output of the data storage circuit 9 is connected to an input of the microcontroller circuit 1.

Referring to fig. 2, the microcontroller circuit 1 uses a chip U5 as a main chip, and the chip U5 is STM32F, which has strong anti-interference capability and stable operation.

Referring to fig. 4, the power circuit 3 uses a chip U1 as a power chip, the model of the chip U1 is XL1509, pin 1 of the chip U1 is connected to the battery input, and pin 2 of the chip U1 outputs +5V power.

Referring to fig. 5, the signal acquisition module 4 includes a photoelectric coupler PO1 and a pin header P6, wherein 4 pins of the photoelectric coupler PO1 are connected to a 3.3V power supply terminal input, 1 pin of the photoelectric coupler PO1 is connected to 1 pin of the pin header P6, and 2 pins of the pin header P6 are connected to a +5V power supply input.

Referring to fig. 6, the RS485 communication circuit 5 includes a chip U3 and a pin CN4, the model number of the chip U3 is SP485, pin 7 of the chip U3 is connected to pin 2 of the pin CN4, and pin 6 of the chip U3 is connected to pin 1 of the pin CN 4.

Referring to fig. 10, the data storage circuit 9 employs a chip U4 as a main control chip, pin 6 of the chip U4 is connected to pin 42 of the chip U5, and pin 5 of the chip U4 is connected to pin 43 of the chip U5.

When the intelligent drainage monitoring and control terminal is used, the microcontroller circuit 1 monitors the voltage conditions of a lithium battery power supply and a switching power supply in real time through the voltage acquisition circuit 7, and supplies power to loads (a flowmeter, a DTU and the like) through the power supply automatic selection module 6 according to the monitoring result; the data of the flowmeter is collected in real time through the RS485 communication circuit 5, the microcontroller circuit 1 judges whether the flowmeter needs to be restarted or not and whether the depth needs to be adjusted or not according to the collected flowmeter data, the microcontroller circuit 1 can judge whether an external power supply is a main power supply or an auxiliary power supply for supplying power to a system or not through a switching signal collected by the signal collection module 4, whether an equipment box is opened or not, and when the equipment box is opened, the voice alarm module is controlled to send an alarm prompt tone; microcontroller circuit 1 connects the DTU module through RS485 communication circuit 5, transmits the data acquisition to the high in the clouds server.

The microcontroller circuit 1 has the following functions:

1. communicating with an RS485 communication circuit 5;

2. is connected with the data storage circuit 9 and is used for storing system parameter data;

3. the power supply state acquisition circuit is connected with the voltage acquisition circuit 7 and used for acquiring the power supply states of the lithium battery and the external power supply in real time;

4. is connected with the power circuit 3 to supply power to the microcontroller circuit 1;

5. the power supply automatic selection module 6 is connected with a power supply automatic selection module for automatically selecting an external power supply or a lithium battery to supply power to a load;

6. and the power supply is connected with the MOS tube output control circuit 2, automatically controls whether the load is electrified or not, and can control the equipment to restart.

Power supply circuit 3: and when the direct current is input at 12V, one part of the direct current is reduced to 5V and 3.3V through the voltage reduction circuit and then supplies power to the on-board components, and the other part of the direct current supplies power to the load.

The signal acquisition module 4: the system is used for detecting whether the main power supply or the auxiliary power supply supplies power to the system; detecting whether the equipment box is opened; detecting whether the well cover is opened; the infrared detector is used for detecting that a person enters a monitored area.

The voltage acquisition circuit 7: lithium battery voltage and external power supply voltage convert microcontroller circuit 1 bearable signal through bleeder circuit, through the trailing circuit that has buffering and isolation that the chip was built to the fortune, guarantee the stability of signal, reentrant microcontroller circuit 1, microcontroller circuit 1 calculates the voltage value according to the AD value of gathering.

RS485 communication circuit 5: the anti-surge circuit composed of the diode D5, the diode D6 and the diode D7 and the anti-overcurrent circuit composed of the fuse F1 and the fuse F2 improve the stability and reliability of communication transmission, and the power utilization state, the load working state, the connected sensor data and the like of the current system can be read remotely through the RS485 communication circuit 5.

The MOS tube output control circuit 2: the microcontroller circuit 1 controls the working condition of a load (a flowmeter, a DTU, a voice alarm and the like) through the MOS tube output control circuit 2 to realize restarting or stopping power supply.

The data storage circuit 9: for storing system data parameters and outputting them to the microcontroller circuit 1.

In summary, the following steps: when the intelligent measurement and control terminal for drainage monitoring is used, after the intelligent measurement and control terminal is analyzed and judged according to collected data, a lithium battery or an external power supply can be automatically selected to supply power to a system, a load module can be automatically restarted, whether a voice alarm is sent or not is judged, and the collected data are finally transmitted to a server through a DTU (data transfer unit) module; the voltage conditions of the lithium battery power supply and the switching power supply are integrally monitored in real time.

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

Claims

1. The utility model provides a drainage monitoring intelligence measurement and control terminal, includes microcontroller circuit (1), MOS pipe output control circuit (2), power supply circuit (3), signal acquisition module (4), RS485 communication circuit (5), power automatic selection module (6), voltage acquisition circuit (7), status indicator lamp circuit (8) and data storage circuit (9), its characterized in that: the control end of the microcontroller circuit (1) is connected to the input end of the power automatic selection module (6) and the input end of the MOS tube output control circuit (2), the power output end of the power circuit (3) is connected to the power input end of the microcontroller circuit (1), the output end of the signal acquisition module (4) is connected to the signal input end of the microcontroller circuit (1), the signal output end of the voltage acquisition circuit (7) is connected to the signal input end of the microcontroller circuit (1), the RS485 communication circuit (5) is interconnected with the microcontroller circuit (1), the output end of the status indicator lamp circuit (8) is connected to the input end of the microcontroller circuit (1), and the output end of the data storage circuit (9) is connected to the input end of the microcontroller circuit (1).

2. The intelligent measurement and control terminal for drainage monitoring according to claim 1, characterized in that: the microcontroller circuit (1) adopts a chip U5 as a main chip, and the model of the chip U5 is STM 32F.

3. The intelligent measurement and control terminal for drainage monitoring according to claim 1, characterized in that: the power supply circuit (3) adopts a chip U1 as a power supply chip, the model of the chip U1 is XL1509, 1 pin of the chip U1 is connected with the input of a battery end, and 2 pins of the chip U1 output +5V power.

4. The intelligent measurement and control terminal for drainage monitoring according to claim 1, characterized in that: the signal acquisition module (4) comprises a photoelectric coupler PO1 and a pin header P6, wherein 4 pins of the photoelectric coupler PO1 are connected with the input of a 3.3V power supply end, 1 pin of the photoelectric coupler PO1 is connected with 1 pin of the pin header P6, and 2 pins of the pin header P6 are connected with the input of a +5V power supply.

5. The intelligent measurement and control terminal for drainage monitoring according to claim 1, characterized in that: the RS485 communication circuit (5) comprises a chip U3 and a pin header CN4, the model of the chip U3 is SP485, a pin 7 of the chip U3 is connected to a pin 2 of the pin header CN4, and a pin 6 of the chip U3 is connected to a pin 1 of the pin header CN 4.

6. The intelligent measurement and control terminal for drainage monitoring according to claim 1, characterized in that: the data storage circuit (9) adopts a chip U4 as a master control chip, a pin 6 of a chip U4 is connected to a pin 42 of a chip U5, and a pin 5 of a chip U4 is connected to a pin 43 of a chip U5.