33results about How to "Realize arrayization" patented technology

The invention provides a distributed fiber white-light interference sensor array based on tunable Fabry-Perot resonant cavity, which is composed of a duplex photoelectric device, a tunable Fabry-Perot resonant cavity, a single-mode connection fiber and a sensor, wherein the tunable Fabry-Perot resonant cavity is composed of a scanning prism, a self-focusing lens, and a single-mode optical fiber with partial reflection surface; the duplex photoelectric device is composed of a wide-spectrum light source with a common base, an emitter and a collector, a photodetector, and a beam splitter prism; the beam with a certain spectral width is emitted by the light source to the resonant cavity directly through the beam splitter prism and is reflected multiple times by the left and the right surfaces of the resonant cavity to obtain a signal light; and the signal light outputted from the right cavity surface enters the sensor through the single-mode connection fiber, reflected by the left and the right end faces of the sensor, returns along the original path to the resonant, and is outputted from the left cavity surface to the photodetector. The distributed fiber white-light interference sensor array has a common light path structure and has the advantages of good temperature stability, simplest optical fiber path structure, low cost and high practicality.

The invention provides an optical path autocorrelator for distributed optical fiber strain sensing measurement, which is formed by sequentially connecting a broad spectrum light source (1), an annular multibeam generator (2), an optical path autocorrelation detecting unit (3), a transmission optical fiber (4) and an optical fiber sensor array (5) end to end; the annular multibeam generator (2) comprises a 2*2 optical fiber coupler (21), a first three-port optical circulator (22), an optical fiber collimator (23) and a movable optical reflector (24); and the optical path autocorrelation detecting unit (3) comprises a second three-port optical circulator (31), an optical detector (32) and an interference signal detecting and processing unit (33). The invention can realize real-time monitoring and measurement of physical quantities, such as multi-point strain or deformation, and the like,solve the problems of overlarge light source power loss and superlow light source utilization ratio when a plurality of sensors are multiplexed in an optical fiber and the problem of measurement precision reduction caused by the existence of light source feedback light and improve the stability of a system.

The invention provides an ultrasonic transducer and a manufacturing method thereof. The ultrasonic transducer comprises a substrate (106), a lower electrode (105), a support block (103), a diaphragm layer (102), and an upper electrode (101) arranged sequentially in a stacked manner, wherein a groove is arranged on a surface of the substrate near the diaphragm layer, and the lower electrode is filled in the groove, the support block (103) separates the space between the diaphragm layer (102) and the substrate (106) into a closed cavity (104), and the cavity (104) corresponds to the position ofthe lower electrode (105). Therefore, arraying of the low electrode is realized, the lead mode is simpler, and the transmission and reception of ultrasonic transducer array elements are conveniently controlled independently.

The invention discloses a dual-mode sensing unit and a dual-mode sensor. The dual-mode sensing unit comprises a shielding layer, a piezoelectric conducting layer, a capacitance sensing layer, and a flexible bulging layer; the shielding layer is fixedly connected with the piezoelectric conducting layer, and the shielding layer is grounded; the piezoelectric conducting layer comprises a conductive electrode and a piezoresistance sensitive layer; a raised micro-structure is arranged at the piezoresistance sensitive layer; the capacitance sensing layer comprises a first flexible substrate, an emitting electrode and a receiving electrode; the emitting electrode and the receiving electrode are fixed at a bottom face of the first flexible substrate, the emitting electrode and the receiving electrode are arranged at an upper layer and a lower layer, and the emitting electrode and the raised micro-structure are in conductive connection; the flexible bulge layer is fixedly connected with the first flexible substrate, and a stress collection bulge is arranged on an upper end surface of the flexible bulge layer. The dual-mode sensing unit possesses the proximity sense and touch sensing functions at the same time; the dual-mode sensor is formed by arranging multiple dual-mode sensing unit matrixes, and multiple dual-mode sensing unit matrixes are connected through a flexible substrate; and the dual-mode sensing unit has good flexibility, and the internal circuit is concise.

The invention discloses a Lamb wave immunosensor capable of performing array, high-flux, large-sample and quick measurement on immunoreaction. The Lamb wave immunosensor comprises an upper magnet and a lower magnet, wherein a Lamb wave sensor is arranged between the upper magnet and the lower magnet; a pipeline gland is glued above the Lamb wave sensor; the Lamb wave sensor comprises a silicon thin film structure with a plurality of sample cells; a conductive stratum is arranged below the silicon thin film structure; a piezoelectric material layer is arranged below the conductive stratum; an integrated device technology (IDT) electrode layer is arranged on the piezoelectric material layer, and comprises a plurality of gear shaping electrodes and a plurality of welding spot ports; a pair of electrode ports is arranged on each of the gear shaping electrodes; marking antibodies, immune micro magnetic balls and capturing antibodies are cultivated in the sample cells; a sample cell channel is formed on the pipeline surface of the pipeline gland, which is attached to the Lamb wave sensor; and a through hole is formed in each of two ends of the sample cell channel.

The invention discloses a density gradient array, which comprises a container. Division bars are arranged in a vertical direction in the container, and divide the container into a plurality of small tubular chambers in the vertical direction. The theory of communicating vessels is adopted, and a plurality of density tubes with a completely consistent density gradient can be prepared at one time to form an array, so that the preparation efficiency of the density tubes is greatly improved. The gradients of the density tubes are completely consistent, and the density gradient of the whole density gradient array can be calibrated only by once calibration, so that a calibration process is greatly simplified. The density tubes form the array which is suitable for the rapid measurement of large batches of samples, the density gradients of the density tubes are consistent, and subtle density differences between a plurality of different samples can be easily and intuitively compared, so that the density gradient array is particularly applied to application places with requirements for the precision comparison of densities of the samples, for example, subtle changes caused by changes in a crystallization environment in the densities of the samples in a high-quality crystal development process can be monitored.

The invention relates to an automatic trace sample feeding device of an electrophoresis detector and a manufacturing method and control method of the automatic trace sample feeding device. The automatic trace sample feeding device comprises a microfluid sample feeding module, a microfluid sample discharging module, a first micro electromagnetic driving pump, a second micro electromagnetic driving pump, a first micro partitioning valve, a second micro partitioning valve, a high-voltage power supply, a sample bottle, a buffer liquid bottle, a sample waste liquid bottle, a waste buffer liquid bottle, a control circuit board, a control system, a storage battery and a double-layer bracket. The automatic trace sample feeding device is applicable to automatic trace sample feeding of a portable capillary electrophoresis detector and a microfluid electrophoresis chip, precise, automatic and repeated sample injection is achieved, operation errors are reduced, the operation efficiency is improved, artificial interference is avoided, a uniform sample feeding amount of each time is ensured, meanwhile a rapid capillary tube replacing interface is available, and sample pollution caused by the situation that a capillary tube is not easily cleaned on site is avoided.