Pressure differential settlement instrument hydraulic settlement instrument

Description :

　　Based on piezoresistive sensors for settlement monitoring, level gauges, hydraulic settlement instruments, including differential pressure settlement instruments CAN bus, pressure resistance sensor, liquid storage tank, liquid communication pipe, temperature sensor, storage chip and circuit, low-power power supply circuit, reset circuit, 485 control circuit, microcontroller system, A/D conversion circuit and amplification circuit, characterized in that the liquid storage tank is connected to the differential pressure settlement instrument through a liquid communication pipe, and a pressure resistance sensor is set at the bottom of the differential pressure settlement instrument. The CAN bus is connected to the pressure resistance sensor, and the number of differential pressure settlement instruments is at least two. The pressure resistance sensor is connected to the A/D conversion circuit and amplification circuit through the CAN bus. The temperature sensor, storage chip and circuit, low-power power supply circuit, reset circuit, 485 control circuit and A/D conversion circuit are connected through the CAN bus. The amplification circuits are all connected to the microcontroller system.

　　In engineering construction and large-scale artificial buildings, settlement may occur due to foundation structure or other various reasons. Settlement observation is a very basic monitoring parameter in engineering construction. Some settlement amplitudes are within the allowable range, while others may cause a loss of engineering quality or even catastrophic accidents. The observation of settlement in completed large-scale projects is particularly important, as typical cases such as subway, bridge, and dam settlement can cause significant accidents, resulting in significant casualties and other social hazards.

　　Structural schematic diagram of settlement monitoring level gauge hydraulic settlement gauge, partial schematic diagram of settlement monitoring level gauge based on pressure resistance sensor, circuit schematic diagram of hydraulic settlement monitoring level gauge based on pressure resistance sensor pressure resistance sensor, DCM-BD settlement monitoring level gauge based on pressure resistance sensor, including differential pressure settlement gauge 1 CAN bus 2, pressure resistance sensor 3, storage tank 4, liquid communication pipe 5, temperature sensor e, storage chip and circuit 7, low-power power supply circuit 8, reset circuit 9, 485 control circuit 10, microcontroller system 11, A/D conversion circuit and amplification circuit 12. The storage tank 4 is connected to the level 1 through the liquid communication pipe 5. The pressure differential settlement instrument 1 is equipped with a pressure resistance sensor 3 at the bottom, and the CAN bus 2 is connected to the pressure resistance sensor 3. The number of level instruments 1 is at least two. The pressure resistance sensor 3 is connected to the A/D conversion circuit and amplification circuit 12 through the CAN bus 2. The temperature sensor 6, storage chip and circuit 7, low-power consumption The power circuit 8, reset circuit 9, 485 control circuit 10, A/D conversion circuit, and amplification circuit 12 are all connected to the microcontroller system i i, and the differential pressure settlement instrument is described; There is a storage chip installed internally, and the differential pressure settlement instrument 1 uses an efficient voltage regulator chip with a wide input voltage to ensure that the bus can operate over long distances without affecting its performance. The differential pressure settling instrument has a large range and can ensure 0? Can a resolution range of 1mm reach 3? 5m， And the volume is the same as the small range, and the appearance is consistent.

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• Pressure differential settlement instrument hydraulic settlement instrument