45results about How to "Monitoring impact" patented technology

The invention discloses a model test apparatus for monitoring a dam saturation line. The model test apparatus comprises a model tank; an upstream-side drainage mechanism which is communicated with the inside of the model tank is arrange at one end of the model tank, a water level monitoring mechanism and a downstream-side drainage mechanism which are communicated with the inside of the model tank are arranged at the other opposite end of the model tank, and a water inlet mechanism which is communicated with the inside of the model tank is arranged at the bottom of the model tank; a pressure measuring mechanism which is communicated with the inside of the model tank is arranged in the front of the model tank; and a model is arranged in the model tank, and a dam displacement monitoring mechanism is arranged on the model. The invention further discloses a test method implemented by the aid of the apparatus. The model test apparatus and the test method have the advantages that the model test apparatus and the test method can be applied to indoor simulation tests and research on dam saturation lines in various structural forms and filling types under various working conditions, changes of the saturation line under different working conditions can be observed via indoor sand tank model testes, main influencing factors and relevant change laws of retardation of the saturation line are studied, and data and reference are provided for further theoretical study.

The invention discloses a manhole cover monitoring system and method based on optical fiber sensing. The manhole cover monitoring system comprises detection optical fibers, signal demodulation analysis equipment, state comprehensive analysis equipment and graphical interface display equipment, wherein the detection optical fibers comprise a plurality of optical fibers which enable a plurality of manhole covers to constitute a manhole cover monitoring network; the signal demodulation analysis equipment is connected with the detection optical fibers; the state comprehensive analysis equipment is connected with the signal demodulation analysis equipment; the graphical interface display equipment is connected with the state comprehensive analysis equipment. The manhole cover monitoring system has larger manhole cover detection range and higher positioning accuracy, and the monitoring performance is not affected by external environmental factors.

The invention discloses a suspension bridge large-diameter secant pile gravity type anchorage foundation enclosure structure and a construction method. The suspension bridge large-diameter secant pile gravity type anchorage foundation enclosure structure comprises a plurality of I-stage secant piles and a plurality of II-stage connecting piles, the I-stage secant piles and the II-stage connecting piles are sequentially and circularly connected and enclose to form a circular enclosure, and a plurality of dewatering wells are arranged in a foundation pit in the enclosure; and waterproof curtains are arranged at the joints of the outer walls of the I-stage secant piles and the II-stage connecting piles. According to the design, the structure is simple, the lining does not need to be constructed through a reverse construction method in the excavation process, therefore, construction procedures are reduced, the construction period is shortened, damage to the enclosure structure caused by lining construction is prevented, and the application range of the suspension bridge is widened. The invention further discloses a corresponding construction method of the suspension bridge large-diameter secant pile gravity type anchorage foundation enclosure.

The invention discloses a polysilicon fuse monitoring structure. The polysilicon fuse monitoring structure comprises a polysilicon fuse with specific length and width and two leading-out ends connected with two ends of the polysilicon fuse, wherein a loop of incomplete chain type ring belt surrounds the polysilicon fuse and the leading-out ends at a certain distance, and two ends of the ring belt are another two leading-out ends. The invention further discloses a monitoring method for the polysilicon fuse monitoring structure. Through the method and the structure, the distance between the chain type ring belt and the polysilicon fuse can be adjusted, so resistance value change of the incomplete chain type ring belt before and after fusing of the polysilicon fuse can be effectively monitored, and a safety distance from the polysilicon fuse to a peripheral circuit of the polysilicon fuse can be acquired.

The invention discloses a simulation experiment device for submarine observation network submarine cable flashover discharge. The simulation experiment device comprises a constant-voltage power supply, submarine cable equivalent experimental models, a connecting box node electric energy convertor and a sea water short circuit device, wherein each submarine cable equivalent experimental model is used for simulating the transmission characteristics of a real submarine cable, and comprises a plurality of cable simulation circuits; each cable simulation circuit comprises a resistor-capacitor-inductor model consisting of a resistor, a capacitor and an inductor; the connecting box node electric energy convertor is used for converting high voltage on the submarine cable equivalent experimental models into low voltage to be output; the sea water short circuit device comprises a section of damaged real submarine cable, sea water and a water tank; an electrode, a grounding switch tube and a damaged real submarine cable are connected between the two sections of submarine cable equivalent experimental models, and are put in the water tank containing the sea water; and a submarine cable flashover discharge phenomenon of a practical work condition is simulated by controlling the on-off state of the grounding switch tube. The invention also discloses a simulation experiment system and methodfor reducing the harm degree of the submarine observation network submarine cable flashover discharge. The flashover discharge harm can be reduced.

The invention relates to a traditional rammed wall dehydration rate testing method. According to the invention, a dielectric soil moisture sensor is embedded in a soil sample of a rammed soil body, based on complete contact of the dielectric soil moisture sensor and the soil sample of the rammed soil body, change of the dielectric constant is continuously measured, by comparing with the dielectricconstant through interior calibration, or through sampling, the water mass fraction is tested, the tested water mass fraction is corrected, and the practical water content of the rammed soil body isobtained. The method has the advantages that the method is simple and practical, a change rule of the water content in the soil body can be continuously monitored, and the method performs active effects for dry-shrinkage due to dehydration, rising of capillary water, rainfall infiltration, water and salt transport research as well as protection and reinforcement engineering of the remains of earthen buildings.

The invention relates to an earth screen current monitoring method based on a non-magnetic core sensing array. The non-magnetic-core sensing array is installed at the joint of a primary ground wire and grounding flat iron in a switch chamber so as to detect the current value in lightning waves; wherein the non-magnetic core sensing array comprises a printed circuit board, a ground screen copper bar arranged on the printed circuit board, and a magnetic field sensor which is arranged on the printed circuit board and is arranged around the ground screen copper bar. The device can effectively monitor the lightning stroke generation area and whether lightning waves invade the switch room or not, and research the influence of conventional faults on the ground grid.

The invention discloses an asynchronous and accurate calibration system for a flexible bend sensor, and belongs to the technical field of angle parameter calibration. The system comprises a step sliding table, a bend sensor clamping device, an adjustable beam, and a control circuit. The system comprehensively realizes the function of angle calibration by using a control chip, a displacement sensor, a temperature sensor, a humidity sensor, a pneumatic sensor, a micro air pump etc., and realizes the function of simultaneously calibrating a plurality of angle sensors by placing a plurality of motors on the motor slide rails, thereby overcoming the disadvantages of only calibrating a single angle in prior art. The system can be adjusted according to the length of the bend sensor, and has highadaptability. The system has proven mathematical theory support that a calibration formula for modeling is derived based on spatial coordinates and resistance values. The system is small in size, easyto manufacture, compact in structure and convenient in operation, and is suitable for calibration of angle parameters.

The invention relates to the technical field of automatic driving system testing, in particular to a robot visual balance control device for automatic driving system testing, which comprises an arc-shaped mounting ring, a connecting ball matched with the arc-shaped mounting ring is movably mounted in an inner cavity of the arc-shaped mounting ring, a mounting seat is fixedly connected to the upper end of the connecting ball, and a monitoring assembly is mounted on the upper surface of the mounting seat; the suspension rod is fixed at the lower end of the outer side wall of the connecting ball and is vertically arranged; the multiple arc-shaped attaching plates are distributed and attached to the outer side wall of the fixing block in an annular array mode. The device has the beneficial effects that a mounting seat is fixedly connected to the lower end of a connecting ball, an inner cavity of a sealing cylinder is filled with hydraulic oil, and the inner cavity of the sealing cylinder is communicated with an annular pipe through a damping thin pipe, so that when the monitoring assembly is vibrated, a damping effect can be generated on sliding of a connecting rod, and vibration borne by the monitoring assembly can be buffered and damped; therefore, the device is prevented from being vibrated to influence the monitoring of the road condition.

The invention discloses binding molecules for BCMA and CD3. The present invention relates to a binding molecule comprising a first and a second binding domain, wherein the first binding domain is capable of binding to epitope clusters of BCMA, and the second binding domain is capable of binding to the T cell CD3 receptor complex. Moreover, the invention provides a nucleic acid sequence encoding the binding molecule, a vector comprising said nucleic acid sequence and a host cell transformed or transfected with said vector. Furthermore, the invention provides a process for the production of the binding molecule of the invention, a medical use of said binding molecule and a kit comprising said binding molecule.

The invention belongs to the technical field of medicine, and particularly relates to a preparation method of a model for animals with living hypertension due to drinking. The model can be used for the screening, the pharmacological research and the pesticide effect evaluation of the medicine for treating the living hypertension. Through the adoption of the method that on the basis of a normal SD rat, the rat freely drinks alcohol everyday, (at first, drinking the alcohol with the volume concentration of 5 to 10 % for 3 to 7 days casually, then drinking more 2 to 5 % every one week until the volume concentration is 15 to 20 %; then drinking more 1 to 3 % every one week until the volume concentration is 21 to 25 %; then drinking by lasting the same concentration) for 8 to 17 weeks, the model for the animals with the living hypertension is created. The model screening indexes are mainly systolic pressure, diastolic pressure and mean pressure, and the systolic pressure is taken as a primary one; meanwhile the indexes in blood serum and urine are taken as supplements to be used for monitoring the influence of the long-term free drinking of the gradient concentration alcohol on the rat blood pressure and the functions of visceral organs such as a liver and a kidney.

The invention discloses a bionic skin chip for medicine testing, and relates to the technical field of organ chips. The bionic skin chip comprises an upper-layer chip, a middle-layer chip, a porous membrane and a lower-layer chip which are sequentially arranged from top to bottom, wherein a sinking gas channel is formed in the bottom surface of the upper-layer chip, and a through slot corresponding to the gas channel is formed in the middle-layer chip; at least three sinking Tesla micro-mixers are arranged on the upper surface of the lower-layer chip, and a first air inlet channel, a first main channel, a collection channel and a first outlet channel are formed in the upper surface of the lower-layer chip; and the upper surface of the porous membrane covers the lower parts of the through slots, and the lower surface of the porous membrane covers the collection channel. The bionic skin chip has the beneficial effects the bionic skin chip is capable of providing a gas-liquid culturing environment to skin, so that culturing of gas-liquid and liquid-phase skin tissues is realized, and a microenvironment of a human body can be well simulated.

The invention relates to monitoring equipment, and particularly relates to field water level monitoring equipment for field water conservancy. The technical purpose to be solved is to provide the field water level monitoring equipment which can monitor the field water level more accurately without the need to see the field water level with naked eyes for field water conservancy. The equipment comprises a bottom plate, supporting rods, a cross rod and a monitoring mechanism, the supporting rods are symmetrically installed on both left and right sides of the top of the bottom plate, fixing mechanisms are arranged on the supporting rods on both left and right sides, the cross rod is installed between the upper portions of the inner side faces of the supporting rods on both left and right sides, and the monitoring mechanism is arranged in the middle of the front side face of the cross rod. By means of an observing mechanism, the water level in a field can be known by an operator more visually, and the effect of monitoring the field water level more accurately without the need to see the field water level with the naked eyes is achieved.

The invention discloses a data calibration system of an atmospheric pollution monitoring system. The data calibration system structurally comprises a gaseous pollutant detection module, a particulatematter detection module, a meteorological parameter sensor, a wireless communication module and a power supply management module, the gaseous pollutant detection module, the particulate matter detection module and the meteorological parameter sensor are all connected with the wireless communication module. Compared with the prior art, the data calibration system has the advantages that an airflowpower source bird repelling device is additionally arranged on the existing meteorological parameter sensor, air flow is used for low-speed rotation, during rotation, the position of a knocking head is changed; sound production copper plate can be knocked on the basis of dead weight of the knocking head, birds can be effectively prevented from staying on the meteorological sensor through knockingsound energy, birds can be prevented from defecating on the meteorological sensor, bird droppings are prevented from remaining on the meteorological sensor, the atmospheric monitoring of the meteorological sensor is not affected, the accuracy of atmospheric monitoring data is improved, and multiple times of data calibration is not needed.