CN211783600U - Environmental monitoring system for hydropower station - Google Patents

Abstract

The utility model relates to an environmental monitoring system for a hydropower station, comprising information collection equipment installed in the hydropower station and a cloud server, the information collection equipment transmits the collected information to the cloud server; the information collection equipment comprises a single chip module and a power supply module, and the single chip modules are respectively connected to There are water level sensor, rain sensor, temperature detector, status light module, button module, ultrasonic pipeline flow sensor, serial communication module, sound sensor, gate opening meter, WiFi module, Ethernet module, NB‑IOT module and mobile communication module . The utility model can automatically collect information such as water level, rainfall, temperature, flow rate, gate opening value, ambient sound, etc. of the hydropower station, and can be realized by any one of a mobile communication module, an NB-IOT module, an Ethernet module and a WiFi module. The communication with the cloud server is safe and reliable, flexible in expansion, strong in applicability and low in cost.

Description

A hydropower station environmental monitoring system

technical field

The utility model relates to the technical field of communication, in particular to an environmental monitoring system of a hydropower station.

Background technique

Most hydropower stations are built in remote mountainous areas with few professionals, which brings inconvenience to the daily maintenance and safety monitoring of hydropower stations. The traditional way of relying on manual inspection and monitoring can no longer meet the needs of today's informatization development. With the rapid development of automated information technology, automatic collection of hydropower station environmental information and transmission to the remote monitoring center has become a new management idea. When collecting and analyzing the environmental indicators of hydropower stations, in addition to paying attention to environmental factors, it is also necessary to monitor the water level of the hydropower station. 3. Focus on monitoring the flow to ensure the safe and reliable operation of the hydropower station. Through comprehensive analysis of the collected indicators, the automatic opening or closing control of the gate of the hydropower station is realized.

Utility model content

The hydropower station environment monitoring system provided by the utility model can automatically collect information such as water level, rainfall, temperature, flow rate, gate opening value, environmental sound, etc. of the hydropower station, and realize reliable remote information transmission through various communication methods, which is convenient for monitoring Real-time monitoring of hydropower stations by the center.

In order to achieve the above-mentioned purpose, the technical scheme adopted by the present utility model is:

An environmental monitoring system for a hydropower station, comprising information collection equipment installed in the hydropower station and a cloud server, the information collection equipment transmits the collected information to the cloud server; the information collection equipment comprises a single chip module and a power supply module, and the single chip modules are respectively connected with water level Sensor, rain sensor, temperature detector, status light module, button module, ultrasonic pipeline flow sensor, serial communication module, sound sensor, gate opening meter, WiFi module, Ethernet module, NB-IOT module and mobile communication module.

Optionally, the single-chip microcomputer module adopts STM32F107C8T6 chip.

Optionally, the WiFi module adopts a BCM4322 chip, the NB-IOT module adopts a BC95 module, the mobile communication module adopts an EC20 Mini PCIe module, and the Ethernet module adopts a W5500 chip.

Optionally, the water level sensor adopts a Water Sensor water level sensor module.

Optionally, the rain sensor adopts JDZ05-1 module.

Optionally, the ultrasonic pipeline flow sensor adopts a TDS-100F module.

Optionally, the gate opening degree meter adopts SDM201 gate opening degree meter.

Optionally, the sound sensor adopts a Sound Detector module.

Optionally, the temperature detector adopts a DS18B20 temperature sensor module.

Optionally, the power supply module uses an RT9193-33 chip.

The utility model collects information such as water level, rainfall, temperature, flow, gate opening value, ambient sound and other information through sensors such as water level sensor, rain sensor, temperature sensor, ultrasonic pipeline flow sensor, gate opening meter, sound sensor, etc. Any one of the communication module, the NB-IOT module, the Ethernet module and the WiFi module can realize the communication with the cloud server, which is safe and reliable; the utility model can collect a variety of environmental data of the hydropower station, and provides a variety of possibilities to communicate with the cloud server. The selected communication method has the characteristics of simple structure, flexible expansion, strong applicability and low cost.

Description of drawings

1 is a schematic diagram of the external structure of an information collection device in an embodiment of the present utility model;

2 is a schematic diagram of the internal structure of an information collection device in an embodiment of the present invention;

Fig. 3 is the structural principle block diagram of the information collection device in the embodiment of the present utility model;

Fig. 4 is the circuit schematic diagram of the STM32 processor module in the information acquisition equipment;

Fig. 5 is the circuit schematic diagram of the power supply circuit module in the information acquisition equipment;

Fig. 6 is the circuit schematic diagram of WiFi module interface, NB-IOT module interface, Ethernet module interface, serial communication module interface and mobile communication module interface in the information collection device;

Fig. 7 is the circuit schematic diagram of the button module, the status light module, the ultrasonic pipeline flow sensor interface, the temperature detector interface, the water level sensor interface, the sound sensor interface, the gate opening meter interface and the rain sensor interface in the information acquisition equipment;

In the picture:

1-WiFi module, 2-NB-IOT module, 3-mobile communication module, 4-power supply circuit module, 5-STM32 microcontroller module, 6-status light module, 7-button module, 8-sound sensor, 9-water level sensor , 10-rain sensor, 11-ultrasonic pipeline flow sensor, 12-equipment shell, 13-serial communication module, 14-temperature detector, 15-gate opening meter, 16-Ethernet module.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

This embodiment discloses an environmental monitoring system for a hydropower station, which mainly includes an information collection device and a cloud server. The information collection device is installed in the hydropower station and transmits the collected data to the cloud server. As shown in Figures 1 to 7, the information collection device includes a device housing 12, on which is provided a button module 7 for selecting a communication mode, a status light module 6 for displaying the working state, and a water level for measuring the water level. Sensor 9, rain sensor 10 for measuring rainfall, ultrasonic pipeline flow sensor 11 for connecting acoustic pipeline flow sensor, gate opening meter 15 for acquiring gate opening information in real time, for collecting the sound of the unit and the environment A sound sensor 8 for signals, a serial communication module 13 for realizing serial communication, a temperature detector 14 for collecting ambient temperature, and an Ethernet module 16 for realizing Ethernet communication. The device housing 12 is provided with an STM32 single-chip microcomputer module 5, a mobile communication module 3 for realizing mobile communication, an NB-IOT module 2 for realizing narrowband Internet of Things communication, a WiFi module 1 for realizing wireless local area network communication, and a WiFi module for providing The power supply circuit module 4 of the module power supply.

STM32 microcontroller module 5 is connected with water level sensor 9, rain sensor 10, temperature detector 14, status light module 6, ultrasonic pipeline flow sensor 11, serial communication module 13, button module 7, sound sensor 8, gate opening meter 15, WiFi Module 1 , Ethernet module 16 , NB-IOT module 2 and mobile communication module 3 are connected. The power supply circuit module 4 is respectively connected with the water level sensor 9, the rain sensor 10, the temperature detector 14, the status light module 6, the ultrasonic pipeline flow sensor 11, the serial communication module 13, the button module 7, the sound sensor 8, the gate opening meter 15, WiFi Module 1, Ethernet module 16, NB-IOT module 2, mobile communication module 3 and STM32 microcontroller module 5 are connected.

STM32 microcontroller module 5 adopts STM32F407ZGT6 chip. The STM32F407ZGT6 chip operates at a frequency of up to 168MHz, has floating-point unit (FPU) single-precision, and supports all ARM single-precision data processing instructions and data types. Simultaneous up to 4KB of spare SRAM and a variety of enhanced I/Os and peripherals connected to two APB buses, and provides three 12-bit ADCs, two DACs, a low-power RTC, twelve general-purpose 16-bit timing device.

WiFi module 1 adopts BCM4322 chip. BCM4322 chip is the wireless LAN chip of Broadcom Company, it is the second generation Intensi-fi technology, it is compatible with IEEE 802.11n draft 2.0 standard. The maximum data rate can reach 300Mbps, the actual throughput exceeds 200Mbps, and the 802.11 media access controller (MAC) is integrated.

NB-IOT module 2 adopts BC95 module. The BC95 module supports a single frequency band of 900MHz, and reserves the ESIM position, which is more convenient to use. The pin design of BC95 module is compatible with Quectel's GPRS module M35, which is convenient for customers to design.

The mobile communication module adopts EC20 Mini PCIe module. EC20 Mini PCIe modules include EC20MiniPCIe-A and EC20 Mini PCIe-E versions, which are backward compatible with existing EDGE and GSM/GPRS networks to ensure normal operation in remote areas lacking 3G and 4G networks. EC20 Mini PCIe module supports receive diversity technology, which can realize high-quality and reliable wireless connection, can reduce bit error rate and improve communication quality through multiple-input multiple-output technology (MIMO), and integrate high-speed wireless connection and built-in multi-constellation high-precision positioning SPS +GLONASS receiver.

The Ethernet module 16 uses the W5500 chip. The W5500 chip is an embedded Ethernet controller that integrates a full hardware TCP/IP protocol stack. It has 8 independent hardware sockets that do not affect each other's communication. It has low power consumption and an operating voltage of 3.3V. It has simple, fast, Stable and safe features.

The temperature detector 14 adopts the DS18B20 temperature sensor module. The DS18B20 temperature sensor module adopts the American Dallas digital temperature sensor DS18B20, which is potted with a sealant with high thermal conductivity, which ensures the high sensitivity of the temperature sensor and has a small temperature delay. The temperature sensor module supports the "one-line bus" interface, the temperature measurement range is -55°C to +125°C, and the temperature is within the range of -10°C to +85°C, with an accuracy of ±0.5°C. The on-site temperature is directly transmitted in the digital mode of "one-line bus", which improves the anti-interference of the system and is suitable for on-site temperature measurement in harsh environments.

The water level sensor 9 adopts the Water Sensor water level sensor module. The Water Sensor water level sensor module is an easy-to-use, high water level identification and detection sensor. It measures the size of water droplets and water volume to determine the water level by exposing the stitches of parallel wires. The conversion of water volume to analog signal can be easily completed, and the output analog value can be directly read by the development board, featuring low power consumption and high sensitivity.

Rain sensor 10 adopts JDZ05-1 module. The inner diameter of the JDZ05-1 module rain port is Φ200+0.60, the outer edge angle is 45°, the resolution of the instrument is 0.5mm~0.2mm, the measurement range of rainfall intensity is 0.01~4mm/min, and the rain intensity is 0.01~4mm/min. Within the range, the tipping bucket measurement error is ≤±4%.

The ultrasonic pipeline flow sensor 11 adopts the TDS-100F module. TDS-100F module adopts time difference measurement method, low voltage, multi-pulse, measurement period of 500ms, accuracy of ±1%, repeatability of ±0.5%, current output range of 0 ~ 20mA, can input 5 current signals, can Output nearly 20 kinds of source signals.

The gate opening degree meter 15 adopts SDM201 gate opening degree meter. SDM201 gate opening meter is a special equipment for gate opening measurement. It integrates measurement, display, control and communication, and is suitable for various sluices. Using "HL-3 constant force digital sensor", the steel belt for displacement measurement tracks the movement of the gate, and the automatic expansion and contraction does not require other additional devices. The power consumption is small, the power input is DC24V, the measurement range is 0-80m, and the resolution is 1mm.

The sound sensor 8 adopts the Sound Detector module. The Sound Detector module is an easy-to-use, compact, lightweight, and cost-effective sound sensor. It consists of a small electret microphone and an operational amplifier, with an operating voltage of 2.7V-5.5V.

Power supply circuit module 4 uses RT9193-33 chip. The RT9193-33 chip is a low dropout LDO voltage regulator produced by CMOS technology. It also includes a reference voltage source circuit, an error amplifier circuit, an overcurrent protection circuit and a phase compensation circuit. At the same time, due to the use of laser trimming technology, the output voltage can be freely selected in the range of 0.8-5.0V with an interval of 0.05V. And the chip has the advantages of low power consumption and low dropout, and can be compatible with low ESR ceramic capacitors.

The electrical connection relationship between the above modules is described in detail as follows:

As shown in Figure 4, STM32 processor module circuit: STM32F407ZGT6 chip U5 pin 110 is connected to WiFi module interface U4 pin 1, 117 pin is connected to WiFi module interface U4 pin 2, 115 pin is connected to WiFi module interface U4 pin 3 , 114 feet are connected with 4 feet of WiFi module interface U4. Pin 104 of STM32F407ZGT6 chip U5 is connected to pin 1 of NB-IOT module interface PNB1, pin 101 is connected to pin 3 of NB-IOT module interface PNB1, pin 102 is connected to pin 4 of NB-IOT module interface PNB1, and pin 2 is connected to NB -The 5-pin of the IOT module interface PNB1 is connected, and the 132-pin is connected with the 6-pin of the NB-IOT module interface PNB1. Pin 25 of STM32F407ZGT6 chip U5 is connected to pin 3 of Ethernet module interface YTW1, pin 27 is connected to pin 4 of Ethernet module interface YTW1, pin 28 is connected to pin 7 of Ethernet module interface YTW1, and pin 29 is connected to Ethernet module interface The 8-pin of YTW1 is connected, and the 49-pin is connected with the 9-pin of the Ethernet module interface YTW1. Pin 135 of STM32F407ZGT6 chip U5 is connected to pin 1 of serial communication module interface P4, pin 69 is connected to pin 3 of serial communication module interface P4, and pin 70 is connected to pin 4 of serial communication module interface P4. Pin 112 of STM32F407ZGT6 chip U5 is connected to pin 6 of mobile communication module interface EC1, pin 111 is connected to pin 7 of mobile communication module interface EC1, pin 116 is connected to pin 18 of mobile communication module interface EC2, and pin 113 is connected to mobile communication module interface EC2 The 19-pin connection, the 6-pin is connected with the 20-pin of the mobile communication module interface EC2. The 34-pin connection of STM32F407ZGT6 chip U5 is connected to one end of the switch button of the button module. Pin 134 of STM32F407ZGT6 chip U5 is connected to one end of the R1 resistor of the status light module. Pin 119 of STM32F407ZGT6 chip U5 is connected to pin 2 of the ultrasonic pipeline flow sensor interface P1, and pin 122 is connected to pin 3 of the ultrasonic pipeline flow sensor interface P1. Pin 124 of STM32F407ZGT6 chip U5 is connected to pin 3 of the temperature detector interface U2. Pin 22 of STM32F407ZGT6 chip U5 is connected to pin 2 of water level sensor interface W1. Pin 40 of STM32F407ZGT6 chip U5 is connected to pin 1 of the sound sensor interface P3, and pin 43 is connected to pin 2 of the sound sensor interface P3. Pin 77 of STM32F407ZGT6 chip U5 is connected to pin 2 of gate opening meter interface P5, and pin 78 is connected to pin 3 of gate opening meter interface P5. Pin 41 of STM32F407ZGT6 chip U5 is connected to pin 3 of the rain sensor interface P2, and pin 42 is connected to pin 4 of the gate opening meter interface P5. Pin 9 of STM32F407ZGT6 chip U5 is connected to one end of crystal oscillator Y1 and one end of capacitor C6. Pin 8 of STM32F407ZGT6 chip U5 is connected to the other end of crystal oscillator Y1 and one end of capacitor C5. The other end of the capacitor C5 is connected to the other end of the capacitor C6 and is grounded. The 6 pins of STM32F407ZGT6 chip U5 are connected to the cathode of diode D1, the cathode of diode D2 and one end of capacitor C9. The other end of the diode D1 is connected to the other end of the diode D2 and is connected to the positive electrode of the battery BAT. The other end of the capacitor C9 is connected to the negative electrode of the battery BAT. Pin 24 of STM32F407ZGT6 chip U5 is connected to one end of crystal oscillator Y2, one end of resistor R5 and one end of capacitor C11. Pin 23 of STM32F407ZGT6 chip U5 is connected to the other end of crystal oscillator Y2, and the other end of resistor R5 is connected to one end of capacitor C12. The other end of the capacitor C11 is connected to the other end of the capacitor C12 and is grounded. Pin 71 of STM32F407ZGT6 chip U5 is connected to capacitor C18. Pin 106 of STM32F407ZGT6 chip U5 is connected to capacitor C17. The other end of the capacitor C18 is connected to the other end of the capacitor C17 and is grounded. Pin 33 of STM32F407ZGT6 chip U5 is connected to one end of capacitor C8, one end of capacitor C10 and one end of resistor R6. Pin 31 of STM32F407ZGT6 chip U5 is connected to the other end of capacitor C8 and the other end of capacitor C10 and to one end of resistor R4. Pin 143 of STM32F407ZGT6 chip U5 is connected to one end of resistor R3 and the other end of resistor R4. The other end of resistor R3 is connected to ground.

As shown in Figure 5, power supply circuit module: RT9193-33 chip U1 pin 1 is connected with U1 pin 3, one end of capacitor C1, and interface USB pin 1, and provides +5V power supply voltage. The other end of the capacitor C1 is grounded. Pin 2 of RT9193-33 chip U1 is grounded. Pin 4 of RT9193-33 chip U1 is connected to one end of capacitor C4. The other end of capacitor C4 is grounded. RT9193-33 chip U1's 5 feet are connected with capacitor C2 and one end of capacitor C3, and provide +3.3V DC power supply. The other ends of the capacitor C2 and the capacitor C3 are connected to each other and grounded. The 2-4 feet of the interface USB are left floating, and the 5 feet are grounded.

As shown in Figure 6, WiFi module interface, NB-IOT module interface, Ethernet module interface, serial communication module interface and mobile communication module interface circuit: 1 pin of WiFi module interface U4 is connected to 110 pin of STM32F407ZGT6 chip U5, 2 pin It is connected to pin 117 of U5 of STM32F407ZGT6 chip, pin 3 is connected to pin 115 of U5 of STM32F407ZGT6 chip, pin 4 is connected to pin 114 of U5 of STM32F407ZGT6 chip, pin 5 is grounded, and pin 6 is connected to a +3.3V DC power supply. Pin 1 of NB-IOT module interface PNB1 is connected to pin 104 of STM32F407ZGT6 chip U5, pin 2 is left floating, pin 3 is connected to pin 101 of STM32F407ZGT6 chip U5, pin 4 is connected to pin 102 of STM32F407ZGT6 chip U5, and pin 5 is connected to STM32F407ZGT6 chip U5 The 2 pin is connected, the 6 pin is connected to the 132 pin of the STM32F407ZGT6 chip U5, the 7 pin is connected to an external +3.3V DC power supply, and the 8 pin is grounded. The 1st pin of the Ethernet module interface YTW1 is left open, the 2nd pin is grounded, the 3rd pin is connected to the 25th pin of the STM32F407ZGT6 chip U5, the 4th pin is connected to the STM32F407ZGT6 chip U5's pin 27, the 5th pin is left unconnected, the 6th pin is connected to an external +3.3V DC power supply, and the 7th pin is connected to the STM32F407ZGT6 chip U5. The pin is connected to the 28th pin of the STM32F407ZGT6 chip U5, the 8th pin is connected to the 29th pin of the STM32F407ZGT6 chip U5, the 9th pin is connected to the 49th pin of the STM32F407ZGT6 chip U5, and the 10th pin is left floating. The 1st pin of the serial communication module interface P4 is connected to the 135th pin of the STM32F407ZGT6 chip U5, the 2nd pin is suspended, the 3rd pin is connected to the 69th pin of the STM32F407ZGT6 chip U5, the 4th pin is connected to the 70th pin of the STM32F407ZGT6 chip U5, and the 5th pin is connected to +3.3V DC Power, pin 6 is grounded. The 1-5 pins of the mobile communication module interface EC1 and EC2 are suspended, the 6-pin is connected to the 112-pin of the STM32F407ZGT6 chip U5, the 7-pin is connected to the STM32F407ZGT6 chip U5's 111-pin, the 8-9 pin is suspended, and the 10-pin is connected to an external +3.3V DC power supply , pin 11 is left open, pin 12 is grounded, pins 13-17 are left open, pin 18 is connected to pin 116 of U5 of STM32F407ZGT6 chip, pin 19 is connected to pin 113 of U5 of STM32F407ZGT6 chip, pin 20 is connected to pin 6 of U5 of STM32F407ZGT6 chip, pin 21 Floating, pin 22-23 is connected to +3.3V DC power supply.

As shown in Figure 7, the key module, the status light module, the ultrasonic pipeline flow sensor interface, the temperature detector interface, the water level sensor interface, the sound sensor interface, the gate opening meter interface and the rain sensor interface circuit: one end of the switch key of the key module is connected to Pin 34 of STM32F407ZGT6 chip U5 is connected, and the other end is connected to a +3.3V DC power supply. One end of the resistor R1 of the status light module is connected to pin 134 of U5 of the STM32F407ZGT6 chip. The other end of the resistor R1 of the status light module is connected to the negative electrode of the light emitting diode. The positive pole of the LED of the status light module is connected to a +3.3V DC power supply. The 1 pin of the ultrasonic pipeline flow sensor interface P1 is connected to a +3.3V DC power supply, the 2 pin is connected to the 119 pin of the STM32F407ZGT6 chip U5, the 3 pin is connected to the 122 pin of the STM32F407ZGT6 chip U5, and the 4 pin is grounded. The 1-2 pins of the temperature detector interface U2 are grounded, the 3 pin is connected to the 124 pin of the STM32F407ZGT6 chip U5, and is connected to one end of the resistor R2, the 4 pin is connected to the other end of the resistor R2, and one end of the capacitor C5 is connected, and an external +3.3V DC power supply. The other end of the capacitor C5 of the temperature detector interface is grounded. The 0 pin of the water level sensor interface W1 is grounded, the 1 pin is connected to a +3.3V DC power supply, and the 2 pin is connected to the 22 pin of the STM32F407ZGT6 chip U5. Pin 1 of the sound sensor interface P3 is connected to pin 40 of STM32F407ZGT6 chip U5, pin 2 is connected to pin 43 of STM32F407ZGT6 chip U5, pin 3 is grounded, and pin 4 is connected to a +3.3V DC power supply. Pin 1 of the gate opening meter interface P5 is connected to a +3.3V DC power supply, pin 2 is connected to pin 77 of STM32F407ZGT6 chip U5, pin 3 is connected to pin 78 of STM32F407ZGT6 chip U5, and pin 4 is grounded. Pin 1 of the rain sensor interface P2 is connected to +3.3V DC power supply, pin 2 is grounded, pin 3 is connected to pin 41 of STM32F407ZGT6 chip U5, and pin 4 is connected to pin 42 of STM32F407ZGT6 chip U5.

Each functional module adopted in the hydropower station environmental monitoring system of the present invention is the existing hardware equipment in the prior art, and the present utility model only protects the structure, composition and connection relationship of each component of the hydropower station environmental characteristic information collection equipment, and No software method improvements are involved.

The hydropower station environment monitoring system of the utility model collects water level, rainfall, temperature, flow rate, gate opening value, ambient sound, etc. information, and can communicate with the cloud server through any one of the mobile communication module, the NB-IOT module, the Ethernet module and the WiFi module; the utility model can collect a variety of hydropower station environmental data, and provide communication with the cloud server. A variety of optional communication methods have the characteristics of simple structure, flexible expansion, strong applicability, and low cost.

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

Claims (10)

1. The utility model provides a power station environmental monitoring system, is including installing information acquisition equipment and the cloud ware at power station, its characterized in that: the information acquisition equipment transmits the acquired information to the cloud server; the information acquisition equipment comprises a single chip microcomputer module and a power supply module, wherein the single chip microcomputer module is respectively connected with a water level sensor, a rainfall sensor, a temperature detector, a state lamp module, a key module, an ultrasonic pipeline flow sensor, a serial port communication module, a sound sensor, a gate opening instrument, a WiFi module, an Ethernet module, an NB-IOT module and a mobile communication module.

2. A hydroelectric power station environmental monitoring system according to claim 1 in which: the single chip microcomputer module adopts an STM32F107C8T6 chip.

3. A hydroelectric power station environmental monitoring system according to claim 1 in which: the WiFi module adopts a BCM4322 chip, the NB-IOT module adopts a BC95 module, the mobile communication module adopts an EC20Mini PCIe module, and the Ethernet module adopts a W5500 chip.

4. A hydroelectric power station environmental monitoring system according to claim 1 in which: the Water level Sensor adopts a Water Sensor module.

5. A hydroelectric power station environmental monitoring system according to claim 1 in which: the rainfall sensor adopts a JDZ05-1 module.

6. A hydroelectric power station environmental monitoring system according to claim 1 in which: the ultrasonic pipeline flow sensor adopts a TDS-100F module.

7. A hydroelectric power station environmental monitoring system according to claim 1 in which: the gate opening instrument adopts an SDM201 gate position opening instrument.

8. A hydroelectric power station environmental monitoring system according to claim 1 in which: the Sound sensor adopts a Sound Detector module.

9. A hydroelectric power station environmental monitoring system according to claim 1 in which: the temperature detector adopts a DS18B20 temperature sensor module.

10. A hydroelectric power station environmental monitoring system according to claim 1 in which: the power supply module uses RT9193-33 chips.

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