30results about How to "Monitor displacement" patented technology

The invention provides a well cover with an anti-theft function. The well cover comprises a well cover body and a monitoring module, wherein the well cover body comprises a well cover shell as well as a sensing unit, a signal generating unit and a processing unit which are packaged in the well cover shell; the sensing unit and the signal generating unit are respectively connected with the processing unit; the monitoring module comprises a seal shell as well as a well cover detecting unit, a control unit, a signal transceiving unit and an alarm unit which are packaged in the seal shell; the well cover detecting unit, the signal transceiving unit and the alarm unit are respectively connected with the control unit; the signal generating unit is coupled with the signal transceiving unit; and the signal generating unit adopts a preset identification code for identification. The well cover has the following advantage: when the well cover body is stolen or is subjected to displacement change, and the alarm unit is started for alarming, thus on the basis, the well cover body is quickly and accurately found out via the identification code.

The invention relates to a novel VR device matching chair. The chair comprises a chair seat, a height adjusting frame and a base, wherein the chair seat is perpendicularly arranged at the top of the height adjusting frame; the base is perpendicularly arranged at the bottom of the height adjusting frame; the height adjusting frame can adjust a vertical distance between the chair seat and the base; a signal receiving/transmitting apparatus is arranged on the chair seat and can receive a moving signal of the head of a user sitting on the chair seat; and the base comprises a vertical connecting part, a horizontal connecting plate, a gyroscope, an accelerometer, a pressure sensor, a signal receiving plane layer, a foot signal generator and casters. According to the matching chair, when a VR device is used, motion signals of the head, the waist and two feet of the user are all acquired and can be simulated during interaction, so that the interactive experience effect of the user is improved; and in addition, the matching chair is scientific in design and simple in structure, and action monitoring is comprehensive.

The invention discloses a 360-degree stress monitoring optical fiber grating microbend sensor. The 360-degree stress monitoring optical fiber grating microbend sensor comprises a circular cylinder inner shell, a sensing optical fiber grating, an outer shell, a connection piece and a spring, wherein a tooth groove which is perpendicular to an end face is machined on an edge circumference of the circular cylinder inner shell; the sensing optical fiber grating encircles the tooth groove; the outer shell surrounds the inner shell, and saw teeth which are coupled with the tooth groove of the inner shell are machined on the inner side surface of the outer shell; the connection piece is used for connecting the inner shell and the outer shell; and the spring is placed on the connection piece in a sleeved mode. In a natural state, the inner shell and the outer shell are tightly attached to the sensing optical fiber grating, but the sensing optical fiber grating is not enabled to deform. When an outside parameter acts on the outer shell, the sensing optical fiber grating is squeezed and bent, and the function of the outside parameter is learnt by measuring the central wavelength drift distance of the optical fiber grating. When the action of the outside parameter disappears, the outer shell returns under the action of the spring. According to the 360-degree stress monitoring optical fiber grating microbend sensor, 360-degree carved teeth are adopted, and the change of the outside parameter can be measured comprehensively. The sensing sensitivity is improved by adopting the optical fiber grating. Simultaneously, the optical time domain reflection technology can be utilized to conduct positioning testing, the position of a measured parameter is judged, and thereby real-time monitoring is achieved.

The invention discloses a shape-memory alloy material fatigue performance test system in the electricity-thermal coupling field. The test system comprises a power supply system, a camera system, a temperature acquisition system and a control system; the camera system comprises a camera box with a viewfinder frame, a lighting source, an industrial camera and a camera tripod; the temperature acquisition system comprises a temperature thermocouple and a temperature acquisition card; the control system comprises a time relay and a computer; the shape-memory alloy material is subjected to current loading through the power supply; conduction time of a tested sample and a cooling fan are controlled independently through the time relay. By the arrangement, replacement of the related shape-memory alloy material under the action of current and joule thermal coupling and monitoring of the temperature can be realized, displacement and temperature data of the previous or a plurality of mark points of the monitored sample can be acquired, and the test system is suitable of fatigue performance test of the characterized shape-memory alloy material under the electricity-thermal coupling field.

The invention discloses a road surface deformation monitoring method, which belongs to the technical field of intelligent transportation. The road surface deformation monitoring method is characterized by comprising the following steps of: a, determining a reference value according to an initial condition, and performing information interaction between monitoring devices and a server through a relay and a gateway; B, detecting pavement settlement and deformation through angle changes of attitude sensors in the monitoring devices; C, enabling the gateway to obtain a network relation mapping graph from the server, issuing the network relation mapping graph step by step according to a jurisdiction relation, completing relation mapping, and uploading posture data collected in real time to the server through the relay and the gateway through a Bluetooth network by utilizing the monitoring devices; and D, comparing attitude data acquired by the plurality of groups of monitoring devices with a reference value and historical data respectively by using the server, and acquiring a damage type and a damage range of the road section through model establishment and data analysis. According to the road surface deformation monitoring method, monitoring data can be uploaded in real time, pavement state monitoring and early warning are carried out through modeling and data analysis, and pavement settlement and displacement conditions are effectively monitored.

The present invention discloses a self-power-generation encircling type marine vertical tube vibration monitoring system. The system comprises a vertical pipe and a shell. The shell comprises at least two watertight cavity shell assemblies, wherein the watertight cavity shell assemblies are fixed on the vertical pipe in the encircling manner. At least two layers of partition boards are respectively arranged inside each watertight cavity shell assembly. A power generation device, a rectifier, a storage battery pack, a boosting transformer and a sensor are arranged on each layer of the partition board in the weight balanced manner. During the vibration of the vertical pipe, the vertical pipe drives the power generation device to generate the alternating current and the alternating current is converted into the direct current through the rectifier to be stored in a storage battery. The current is supplied to the sensor through the boosting transformer. The sensor monitors the motion state of the vertical pipe. An underwater acoustic transducer is placed at the top of the shell and is used for converting a monitored electric signal into an acoustic signal. The acoustic signal is transmitted to an aquatic reception transducer through the water medium to be converted into an electrical signal. According to the technical scheme of the invention, when flows are coming from all directions, the power generation is realized through the vortex-induced vibration of the vertical pipe. Meanwhile, the generated power is supplied to a monitor and monitoring data are automatically sent back to a platform or a base.

The invention relates to an exercise monitoring bar. The exercise monitoring bra comprises a bra body, a flexible sensor component and a microprocessor, wherein the bra body comprises cups, shoulder girdles and a heart-shaped pendant, the number of each of the cup and the shoulder girder is two, one shoulder girdle is connected with one cup, and the other should girdle is connected with the other cup; the heart-shaped pendant is located between the two cups and respectively connected with the two cups; the flexible sensor component comprises multiple strain sensors distributed on the two shoulder girdles and the two cups; the microprocessor is arranged on the bra body, comprises a micro-processing chip and a communication chip; the micro-processing chip is in communication connection with the communication chip; and the multiple strain sensors are all in communication connection with the micro-processing chip. The exercise monitoring bra can be worn by female users in outdoor exercise; each strain sensor can acquire the exercise parameter of the displacement formed by the breast shaking, so that the user can immediately know the physical status during exercise, and the user can select more appropriate sports bra conveniently.

The invention discloses a road surface deformation monitoring device, which belongs to the technical field of intelligent transportation equipment. The road surface deformation monitoring device comprises a shell, and is characterized in that the shell comprises a quasi-circular polygonal waterproof shell and a light-transmitting cover, a rechargeable battery, a PCB and a solar panel are arranged in the quasi-circular polygonal waterproof shell, the solar panel is connected with a radio frequency antenna, an attitude detection module, a radio frequency module, a power supply module, a charging module and a Bluetooth MCU are arranged on the PCB, the attitude detection module and the radio frequency module are electrically connected with the Bluetooth MCU, the power supply module is electrically connected with the attitude detection module, the Bluetooth MCU and the radio frequency module, the charging module is electrically connected with the rechargeable battery, the rechargeable battery is electrically connected with the power supply module, and the attitude detection module comprises a three-axis MEMS gyroscope and a three-axis MEMS accelerometer. The road surface deformation monitoring device can effectively monitor pavement settlement and displacement, can monitor the pavement damage condition in an all-weather mode, and is conductive to improving the early warning effect.

The invention provides a filling stope sealing device and system with a monitoring function, and relates to the technical field of filling stope sealing devices. The filling stope sealing device withthe monitoring function comprises a framework and fixing frames connected with the two ends of the framework, and the framework comprises a plurality of arc-shaped beams; the filling stope sealing device further comprises at least one of a pressure monitor, a strain monitoring assembly and a displacement monitoring assembly; the pressure monitor is clamped between the fixed frame and at least oneend part of the at least one arc-shaped beam; the strain monitoring assembly is mounted on the inner arc side of at least one arc-shaped beam; and the displacement monitoring assembly is located on the inner arc sides of the multiple arc-shaped beams. The filling stope sealing device can effectively monitor the mechanical and deformation characteristics with the sealing framework as a main stressunit, data support is provided for timely and accurately mastering the mechanical state of the sealing device in the filling process and judging the overall reliability and stability of the sealing device, after monitoring is completed, all monitoring structures can be recycled, and the cost is low.

The invention discloses a novel tracheal catheter device with an infrared device and a tooth pad. The novel tracheal catheter device comprises three parts including a catheter, the infrared device and the tooth pad, wherein the catheter comprises a catheter main body (1); the lower end of the catheter main body is provided with an inflating bag (2); a part capable of absorbing infrared rays is arranged at the upper end of the catheter main body (1); the infrared device is provided with a catheter fixing clamp (7); the catheter fixing clamp (7) comprises two arc-shaped fixing arms (14); only one end of the two fixing arms is connected; the two fixing arms of the catheter fixing clamp (7) have the elasticity; the fixing arms (4) are fixedly connected with the tooth pad (15); the tooth pad (15) is a hollow cylinder. The novel tracheal catheter device has the advantages that the design is simple; the prices is low; the operation is convenient; the tracheal catheter fixing effect can be achieved through the novel tracheal catheter device with an infrared ray absorption coating; the position of the tracheal catheter can be monitored in real time.

The invention discloses an electric screwdriver which comprises a striking shaft, a motor, a planetary speed reducing mechanism and a torque monitoring mechanism. One end of a transmission shaft is clamped and tightly matched with an output shaft of the motor, and the other end is provided with a gear part which is internally meshed and fixed with a sun gear of the planetary speed reducing mechanism; the torque monitoring mechanism comprises a driving shaft, a clutch sleeve, a steel ball and a displacement detector; the clutch sleeve, the clutch end I of the striking shaft and the clutch end II of the driving shaft are sequentially sleeved from outside to inside; the clutch end I is provided with a steel ball channel; the clutch end II is provided with a protruding part; and the protruding part outwards extrudes the circular-truncated-cone-shaped inner wall of the clutch sleeve in the radial direction when the protruding part is aligned with the steel ball channel, and the clutch sleeve is made to move in the axial direction, so that torque change of the electric screwdriver is converted into displacement change of the clutch sleeve, the motor is automatically controlled according to the monitoring result, and constant-torque control is achieved. The transmission shaft, the motor and the planetary speed reducing mechanism are integrally assembled, so that low-speed and high-torque output is met, the motion transmission precision is improved, and constant-torque control is facilitated.

The invention provides a novel gabion retaining wall capable of achieving energy dissipation and greening and a construction method. The novel gabion retaining wall comprises an energy dissipation and greening gabion net, plain concrete, prefabricated concrete slabs, ribbed steel bars, vegetation nutrient soil, energy dissipation materials, steel strands, pressure reduction rings, a three-dimensional vegetation net pad, geotechnical cloth, stone, transverse reserved holes, longitudinal reserved holes and cross-shaped buckles. The side, away from the slope, of the energy dissipation greening gabion net is filled with the vegetation nutrient soil. The side, close to the side slope, of the energy dissipation greening gabion net is filled with the energy dissipation materials, the steel strands and the pressure reduction rings are flexibly connected with the energy dissipation greening gabion net, the formed whole system can eliminate partial side slope soil body pressure, and the purpose of stabilizing the side slope is achieved. According to the technical scheme, in the prior art, the slope protection requirement is met, meanwhile, the landscape greening effect can be achieved, and meanwhile it can be guaranteed that the supporting structure cannot be excessively deformed due to the fact that the supporting structure is subjected to local large slope soil pressure.

According to the forming control device for the longitudinal beam and the arch rib of the steel arch bridge, the displacement and the downward pressure of the longitudinal beam can be accurately and efficiently monitored through the longitudinal beam displacement and downward pressure monitoring device, and meanwhile the displacement and the downward pressure of the arch rib can be accurately and efficiently monitored through the arch rib displacement and downward pressure monitoring device; the dismantling time of the temporary supporting system is accurately controlled, and harmful internal force generated by the arch rib can be accurately controlled and avoided. The construction of a beam-first and arch-second method can be met, segmental hoisting construction of the arch ribs and the longitudinal beams is achieved, and the construction efficiency is improved.

The invention provides an exposed pipe clamp valve which comprises a rubber pipe, the two ends of the rubber pipe are sleeved with flange frames, a pipeline frame is arranged between the two flange frames, and the pipeline frame is connected with the flange frames. The flange frame comprises an upper annular frame arranged at the top end of the outer portion of the rubber pipe in a sleeving mode and a lower annular frame arranged at the bottom end of the upper annular frame, a first connecting rod is connected between the upper annular frame and the pipeline frame, and a second connecting rod is connected between the lower annular frame and the pipeline frame. The pipeline frame comprises an upper supporting frame hinged to the first connecting rod, a lower supporting frame arranged at the bottom end of the upper supporting frame and a screw rod sequentially penetrating through the two ends of the upper supporting frame and the two ends of the lower supporting frame from top to bottom. According to the pipe clamp valve, a flange edge of a rubber pipe can be pressed tightly in the mounting process while a worker can disassemble the pipe clamp valve conveniently, and therefore the stability and the sealing performance of the pipe clamp valve are improved.