CN209885102U - Power plant fire water pressure operation monitoring system based on thing networking - Google Patents
Power plant fire water pressure operation monitoring system based on thing networking Download PDFInfo
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- CN209885102U CN209885102U CN201920369812.1U CN201920369812U CN209885102U CN 209885102 U CN209885102 U CN 209885102U CN 201920369812 U CN201920369812 U CN 201920369812U CN 209885102 U CN209885102 U CN 209885102U
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Abstract
The utility model provides a power plant fire water pressure operation monitoring system based on the Internet of things, which comprises a cloud processing center and a plurality of pressure monitoring devices; the pressure monitoring device comprises a pressure monitoring circuit; the pressure monitoring circuit comprises a microprocessor, a display, a pressure sensor, an Internet of things manager, a power supply unit, a first electronic switch and a second electronic switch; the microprocessor is externally connected with a high-level power supply; the display is connected with the microprocessor through the SPI interface and is externally connected with a 3.3V power supply; the internet of things manager is connected with the microprocessor through a TTL232 interface and is externally connected with a 5V power supply; the pressure sensor is connected with the microprocessor through the IIC interface and is externally connected with a 3.3V power supply; the first electronic switch is connected between the output end of the power supply unit and the microprocessor; the second electronic switch is connected between the input of the power supply unit and the microprocessor. The installation is convenient, and the debugging is simple; maintenance is free; the reliability is high; the product has low price and flexible networking mode, and the running information can be monitored in the background in a centralized way.
Description
Technical Field
The utility model relates to a fire water pressure monitoring technology field especially relates to a power plant fire water pressure operation monitoring system based on thing networking.
Background
The fire-fighting water system of modern large-capacity coal-fired power plant adopts a branch type, which is convenient for maintenance and elimination, and a common branch and a main pipe are isolated by a valve. Because the system is complicated, the fire water branch valve is not opened in actual operation, and no water is available when fire water is needed. As the fire-fighting water system is distributed in the whole plant area, the pressure monitoring at the tail end of each branch is limited by investment and the like, and the effective centralized monitoring can not be carried out.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcoming of prior art, the utility model aims to provide a power plant fire water pressure operation monitoring system based on thing networking for solve prior art well system complicacy, often have fire water branch valve not open the phenomenon in actual operation, anhydrous when causing needs fire water, and fire water system spreads all over whole factory, often can't carry out effectual problem of centralized monitoring to each terminal pressure monitoring of branch receives restrictions such as investment.
The utility model provides a power plant fire water pressure operation monitoring system based on the Internet of things, which comprises a cloud processing center and a plurality of pressure monitoring devices; the plurality of pressure monitoring devices are in communication connection with the cloud processing center; the pressure monitoring device comprises a pressure monitoring circuit; the pressure monitoring circuit comprises a microprocessor, a display, a pressure sensor, an Internet of things manager, a power supply unit, a first electronic switch and a second electronic switch; the microprocessor is externally connected with a high-level power supply; the display is connected with the microprocessor through an SPI interface and is externally connected with a 3.3V power supply; the internet of things manager is connected with the microprocessor through a TTL232 interface and is externally connected with a 5V power supply; the pressure sensor is connected with the microprocessor through an IIC interface and is externally connected with a 3.3V power supply; the first electronic switch is connected between the output end of the power supply unit and the microprocessor, a high-level power supply is connected between the first electronic switch and the power supply unit, and a 3.3V power supply is externally connected between the first electronic switch and the microprocessor; the first electronic switch is turned on or off under the control of the microprocessor; the second electronic switch is connected between the input end of the power supply unit and the microprocessor; a 5V power supply is externally connected between the second electronic switch and the microprocessor; the second electronic switch is turned on or off under the control of the microprocessor.
In an embodiment of the present invention, the power unit includes a battery and a dc converter, and the battery and the dc converter are connected in parallel.
In an embodiment of the present invention, the pressure monitoring device further includes: the pressure monitoring circuit is arranged inside the aluminum alloy shell; the reset button is arranged on the left side of the aluminum alloy shell and is electrically connected with a reset interface of the microprocessor; the communication antenna is fixed on the right side of the aluminum alloy shell and is connected with the Internet of things manager; the base is fixed at the bottom of the aluminum alloy shell, and a power supply hole is formed in one side of the base; the strong magnet is fixed at one end of the base, which is far away from the aluminum alloy shell; and one end of the power line penetrates through the power hole to be connected with the pressure monitoring circuit, and the other end of the power line is connected with the mains supply.
In an embodiment of the utility model, the last display hole of having seted up of aluminum alloy casing, the display hole upper shield is equipped with transparent protection casing, the protection casing can dismantle through the screw thread connect in aluminum alloy casing.
In an embodiment of the present invention, the microprocessor is an STM32L151 type chip; the internet of things manager is NB73, and the display is an OLED display screen.
As above, the utility model discloses a fire water pressure operation monitoring system in power plant based on thing networking has following beneficial effect:
the installation is convenient, and the debugging is simple; maintenance is free; the reliability is high; the product has low price and flexible networking mode, and the running information can be monitored in the background in a centralized way.
Drawings
Fig. 1 shows as the utility model discloses in power plant fire water pressure operation monitoring system's based on thing networking schematic structure.
Fig. 2 is a schematic structural diagram of the pressure monitoring device in fig. 1.
Fig. 3 is a schematic circuit diagram of the pressure monitoring circuit of fig. 2.
Element number description:
1 aluminum alloy shell
2 reset button
3 communication antenna
4 base
5 strong magnet
6 Power cord
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic concept of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.
Referring to fig. 1 to 3, it should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any modifications of the structures, changes of the ratio relationships, or adjustments of the sizes should still fall within the scope of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1 to 3, fig. 1 shows that the utility model discloses well power plant fire water pressure operation monitoring system's based on thing networking schematic structure. Fig. 2 is a schematic structural diagram of the pressure monitoring device in fig. 1. Fig. 3 is a schematic circuit diagram of the pressure monitoring circuit of fig. 2. The utility model provides a power plant fire water pressure operation monitoring system based on the Internet of things, which comprises a cloud processing center and a plurality of pressure monitoring devices; the plurality of pressure monitoring devices are in communication connection with the cloud processing center;
the pressure monitoring device comprises a pressure monitoring circuit; the pressure monitoring circuit comprises a microprocessor, a display, a pressure sensor, an Internet of things manager, a power supply unit, a first electronic switch and a second electronic switch;
the microprocessor is externally connected with a high-level power supply; the display is connected with the microprocessor through an SPI interface and is externally connected with a 3.3V power supply; the internet of things manager is connected with the microprocessor through a TTL232 interface and is externally connected with a 5V power supply; the pressure sensor is connected with the microprocessor through an IIC interface and is externally connected with a 3.3V power supply; in the embodiment, the pressure sensor is an absolute pressure sensor with an IIC interface, and the measuring range is 1 MPa; the internet of things manager can send the two numerical values of the pressure and the battery voltage to the cloud processing center, and various data can be monitored in real time in the cloud processing center;
the first electronic switch is connected between the output end of the power supply unit and the microprocessor, a high-level power supply is connected between the first electronic switch and the power supply unit, and a 3.3V power supply is externally connected between the first electronic switch and the microprocessor; the first electronic switch is turned on or off under the control of the microprocessor;
the second electronic switch is connected between the input end of the power supply unit and the microprocessor; a 5V power supply is externally connected between the second electronic switch and the microprocessor; the second electronic switch is turned on or off under the control of the microprocessor. Preferably, the microprocessor is an STM32L151 type chip; the internet of things manager is NB73, and the display is an OLED display screen. Generally, the whole pressure monitoring device needs a timer with the time period more than 2 hours to wake up at regular time, a Microcontroller (MCU) has low power consumption and a sleep self-wake-up function, an STM32L151C8T6 microprocessor is selected, the MCU has the timing function of 24 hours, and the power consumption is only 1uA during sleep; the Internet of things manager adopts an NB73 module, data is sent within 12 hours during normal operation, and the data is sent once immediately when the fire water pressure is abnormal and an alarm is given;
when the device normally operates, the MCU is in a sleep state, a timer of the MCU works, the OLED display screen, the pressure sensor and the NB73 module are in a power-off state, and the whole device is in a micro-power consumption state; when the timing time of the MCU is up, the MCU wakes up to start working, a first power switch controlled by the microprocessor is switched on, the OLED and the pressure sensor are electrified, the MCU reads data of the pressure sensor, if the data are lower than a set value, a second power switch controlled by the microprocessor is switched on, the Internet of things NB73 module is electrified to transmit the data to the cloud processing center, the NB73 module carries out response monitoring when transmitting the data, the data can be repeatedly transmitted for many times when the transmission is unsuccessful, the data are successfully transmitted or the set repeated transmission times are reached, and the device enters a sleep state again; if the pressure is normal, the MCU judges whether the time set by NB73 for normally transmitting data is reached, if the time is reached, the data transmission is carried out, and if the time is not reached, the device enters the sleep state again. The MCU awakening time is 0-24 hours, and the NB73 module data sending time interval is 0-24 hours and can be adjusted through a menu.
In a preferred embodiment, the power supply unit comprises a battery and a dc converter, the battery and the dc converter being connected in parallel. Generally, as the tail ends of fire water branches are distributed and dispersed, the battery adopts an internet of things special battery formed by combining an ER34615 lithium subcell and an HPC1520 capacitor, the voltage of the battery is 3.6V, and the capacity is 19000 mAh; the normal life of the battery is 5 years, the service life of the pressure monitoring device is fully ensured, and meanwhile the working and communication effects of the pressure monitoring device can be ensured.
As shown in fig. 2, the pressure monitoring device further includes: the pressure monitoring circuit is arranged inside the aluminum alloy shell 1; the reset button 2 is arranged on the left side of the aluminum alloy shell 1 and is electrically connected with a reset interface of the microprocessor; the communication antenna 3 is fixed on the right side of the aluminum alloy shell 1 and is connected with the internet of things manager; the base 4 is fixed at the bottom of the aluminum alloy shell 1, and a power supply hole is formed in one side of the base; the strong magnet 5 is fixed at one end, far away from the aluminum alloy shell 1, of the base 4; and one end of the power line 6 penetrates through the power hole to be connected with the pressure monitoring circuit, and the other end of the power line is connected with the mains supply. Further, a display hole is formed in the aluminum alloy shell 1, a transparent protective cover is covered on the display hole, and the protective cover is detachably connected to the aluminum alloy shell 1 through threads. Through setting up powerful magnet 5, can install pressure monitoring device through the mode of 4 magnetism types of base, can make things convenient for the dismouting.
To sum up, the utility model discloses a power plant fire water pressure operation monitoring system based on the internet of things, the installation is convenient, the debugging is simple; maintenance is free; the reliability is high; the product has low price and flexible networking mode, and the running information can be monitored in the background in a centralized way. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. A power plant fire water pressure operation monitoring system based on the Internet of things is characterized by comprising a cloud processing center and a plurality of pressure monitoring devices; the plurality of pressure monitoring devices are in communication connection with the cloud processing center;
the pressure monitoring device comprises a pressure monitoring circuit; the pressure monitoring circuit comprises a microprocessor, a display, a pressure sensor, an Internet of things manager, a power supply unit, a first electronic switch and a second electronic switch;
the microprocessor is externally connected with a high-level power supply; the display is connected with the microprocessor through an SPI interface and is externally connected with a 3.3V power supply; the internet of things manager is connected with the microprocessor through a TTL232 interface and is externally connected with a 5V power supply; the pressure sensor is connected with the microprocessor through an IIC interface and is externally connected with a 3.3V power supply;
the first electronic switch is connected between the output end of the power supply unit and the microprocessor, a high-level power supply is connected between the first electronic switch and the power supply unit, and a 3.3V power supply is externally connected between the first electronic switch and the microprocessor; the first electronic switch is turned on or off under the control of the microprocessor;
the second electronic switch is connected between the input end of the power supply unit and the microprocessor; a 5V power supply is externally connected between the second electronic switch and the microprocessor; the second electronic switch is turned on or off under the control of the microprocessor.
2. The internet of things-based power plant fire water pressure operation monitoring system according to claim 1, wherein the power supply unit comprises a battery and a dc converter, and the battery and the dc converter are connected in parallel.
3. The internet of things-based power plant fire water pressure operation monitoring system of claim 1, wherein the pressure monitoring device further comprises:
the pressure monitoring circuit comprises an aluminum alloy shell (1), wherein the pressure monitoring circuit is arranged inside the aluminum alloy shell (1);
the reset button (2) is arranged on the left side of the aluminum alloy shell (1) and is electrically connected with a reset interface of the microprocessor;
the communication antenna (3) is fixed on the right side of the aluminum alloy shell (1) and is connected with the Internet of things manager;
the base (4) is fixed at the bottom of the aluminum alloy shell (1), and a power supply hole is formed in one side of the base;
the strong magnet (5) is fixed at one end, far away from the aluminum alloy shell (1), of the base (4);
and one end of the power line (6) penetrates through the power hole to be connected with the pressure monitoring circuit, and the other end of the power line is connected with the mains supply.
4. The power plant fire water pressure operation monitoring system based on the Internet of things of claim 3, wherein a display hole is formed in the aluminum alloy shell (1), a transparent protective cover is covered on the display hole, and the protective cover is detachably connected to the aluminum alloy shell (1) through threads.
5. The internet of things-based power plant fire water pressure operation monitoring system according to claim 1, wherein the microprocessor is an STM32L151 type chip; the internet of things manager is NB73, and the display is an OLED display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920369812.1U CN209885102U (en) | 2019-03-22 | 2019-03-22 | Power plant fire water pressure operation monitoring system based on thing networking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920369812.1U CN209885102U (en) | 2019-03-22 | 2019-03-22 | Power plant fire water pressure operation monitoring system based on thing networking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209885102U true CN209885102U (en) | 2020-01-03 |
Family
ID=68997735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920369812.1U Expired - Fee Related CN209885102U (en) | 2019-03-22 | 2019-03-22 | Power plant fire water pressure operation monitoring system based on thing networking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209885102U (en) |
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2019
- 2019-03-22 CN CN201920369812.1U patent/CN209885102U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200103 Termination date: 20210322 |