8results about How to "Increase the sensing area" patented technology

The invention relates to a layout design method of a high-frequency imaging sonar array. The layout design method comprises the following steps of: integrally designing a whole piezoelectric polymer film of which the piezoelectric property is regionally designed, a pre-amplification circuit, an electrode structure and a supporting structure; wherein the electrode structure comprises an electrode and an electrode plate; the supporting structure comprises a cylinder and an end cover; the circuit board is made of a whole PCB, a preset number of holes are distributed in the circuit board, and an electrode is embedded in the corner of one side of the circuit board. The design defects of a traditional piezoelectric ceramic sonar array are effectively avoided, meanwhile, the non-sensing part of the polymer film does not participate in pickup of sound signals, and crosstalk of a transverse mode in the working process of the hydrophone is avoided.

The utility model discloses a temperature sensing tube, temperature sensing head, temperature controller and water dispenser, the temperature sensing tube comprises a temperature sensing tube body and temperature sensing head, the temperature sensing head is arranged in the temperature sensing tube body, the temperature sensing head is used for sensing temperature, the temperature sensing tube body is provided with a plurality of bending sections, the plurality of bending sections are close to each other and form a detection part, and the detection part is used for detecting the temperature of the temperature sensing tube body. The temperature sensing head is arranged on the detection part of the temperature sensing pipe body; the temperature sensing head comprises a temperature sensing head body and a temperature sensing nail, the temperature sensing head body is arranged on the temperature sensing pipe body, and the temperature sensing head body is used for sensing temperature; the temperature sensing nail comprises a nail cap and a nail barrel, and the nail cap is arranged on the nail barrel and connected to the temperature sensing head body through the nail barrel. The plurality of bending sections are close to each other and form the detection part, so that the temperature sensing area is enlarged, the temperature sensing precision and the temperature sensing stability are improved, and the temperature sensing result is more reliable.

The utility model provides a near-field detector for a marine seismic source, which relates to the technical field of marine signal detection devices, and aims to ensure the service life of a sensor, an inner shell and an outer shell are arranged outside a sensor assembly, the strength of the outer shell is greater than that of the inner shell, the sensor assembly is arranged in the inner shell, and the outer shell is arranged outside the inner shell. And the shell is cylindrical, so that the circumferential surface of the shell is an induction surface. The sensor assembly is arranged along the length direction of the housing, so that the circumferential surface of the housing is an induction surface, the induction area of the sensor can be increased, and the sensitivity of the detector is improved. The sensor assembly comprises a piezoelectric film, an inner shell and an outer shell are arranged on the outer side of the piezoelectric film, and the piezoelectric film is very thin, light in weight, very soft, capable of working passively, extremely durable and capable of bearing millions of times of bending and vibration. Therefore, the problem that a ceramic sensor in the prior art is poor in impact resistance can be solved.

The utility model belongs to the technical field of winding machines, and particularly relates to a winding machine winding avoiding clamping hand mechanism which comprises a machine body, a controller, a linear moving assembly and a mother rope drag hook are installed on the machine body, a sliding base in the linear moving assembly is connected with one end of an installation frame, and a safety avoiding assembly is installed at the other end of the installation frame. A rotary winding assembly is installed on the portion, between the linear moving assembly and the safety avoiding assembly, of the installation frame and comprises a pay-off reel, a belt transmission mechanism and a rotary frame, the safety avoiding assembly comprises a top plate, the top plate is connected with one end of a vertical plate, an induction antenna is installed on the vertical plate, and the induction antenna is electrically connected with a human body induction module. The human body induction module is electrically connected with the controller. The safety avoiding assembly located on the front side of the rotating winding assembly can sense and recognize the human body in time, a motor and a driving motor in the linear moving assembly are controlled to stop rotating in time before the limbs of the human body enter the rotating range of the rotating winding assembly, and the rotating winding assembly is prevented from impacting the limbs of people.

The utility model relates to a motorcycle structure, a motorcycle is provided with a frame unit, and the frame unit is at least provided with a head tube. The periphery of the frame unit is covered with a vehicle body cover unit, and the vehicle body cover unit is at least provided with a front panel and a knee shielding cover; a starting and unlocking sensor and a starting and unlocking controller which is in telecommunication connection with the starting and unlocking sensor are arranged between the knee shielding cover and the front panel; the upper end of the knee shielding cover is provided with a flat shoulder part, and the starting and unlocking sensor is arranged below the shoulder part; the starting and unlocking controller is arranged below the starting and unlocking sensor and is closer to the front panel; therefore, the use convenience of the starting and unlocking sensor can be improved, and a message connecting line between the starting and unlocking controller and the starting and unlocking sensor can be shortened.

The invention relates to a high-frequency imaging sonar array structure and a design method thereof, the high-frequency imaging sonar array structure comprises a circuit board, a piezoelectric film, an electrode, an electrode slice, a metal column, a circuit, a wiring board, a metal core, a plug, a cylinder, an end cover, a pouring layer and a connector, and the piezoelectric film, the circuit board, the electrode, the electrode slice and the circuit are integrally designed to serve as a sensing element of a sonar array; wherein the circuit board is made of a whole PCB, a plurality of metal columns are inlaid on the circuit board, and the left side and the right side of the circuit board are each inlaid with an electrode; the piezoelectric film is a polyvinylidene fluoride (PVDF) piezoelectric film or a difluoroethylene and trifluoroethylene copolymer P (VDF-TrFE) piezoelectric film, and the front face and the back face of the piezoelectric film are both coated with metal conductive electrodes. According to the invention, the whole piezoelectric polymer film and the acquisition and amplification circuit are integrated in structure, so that the design defects based on a traditional piezoelectric ceramic sonar array in the prior art are effectively avoided.

The application discloses a resonator array structure and belongs to the technical field of micro-electro-mechanical systems. The resonator array structure comprises a plurality of resonator subunits, each resonator subunit comprising a resonator and at least one elastic coupling beam, the first end of the elastic coupling beam being connected to the resonator of the same resonator subunit, and the second end of the elastic coupling beam being connected to the resonator of another resonator subunit or the second end of the elastic coupling beam, so as to sequentially connect the plurality of resonator subunits together and form a preset geometric shape, the preset geometric shape being a stepped annular shape or a cross-connected symmetric pattern. The technical scheme of the application can increase the number of resonator subunits in the resonator array structure as much as possible in a limited area, effectively increases the sensing area of the resonator array structure, improves the dynamic impedance, and further helps to enhance the sensing signal of the resonator array structure.

The present invention relates to a multi-sensing element thermopile sensor, comprising a base, a sensing unit arranged on the base, and a pipe cap arranged on the base and covering the periphery of the sensing unit; the sensing unit comprises a plurality of sensing chips spaced apart and connected to each other, each sensing chip is provided with a sensing surface in its sensing direction, and the sensing surfaces of the plurality of sensing chips form a sensing area of ​​the sensing unit; the pipe cap is provided with a sensing window corresponding to the sensing direction of the sensing unit. The present invention increases the sensing area of ​​the sensor by arranging a plurality of sensing chips and connecting each sensing chip, thereby effectively enhancing the sensing signal, improving the detection accuracy, and increasing the detection range.