31results about How to "Carry accurately" patented technology

The invention discloses a bracelet structure with a pulse wave detecting system. The bracket structure comprises a bracelet body and a pulse wave detecting unit arranged on the inner side of the bracelet body and used for detecting pulse waves of the wrist, and further comprises an inflatable and deflatable airbag arranged on the bracelet body. The inflatable and deflatable airbag is arranged, the pressure of the bracelet body on the wrist skin surface is changed by inflating and deflating the airbag, and the pulse wave detecting unit detects the pulse waves at different contact pressures. According to the bracelet structure, the pulse waves of a wearer can be conveniently detected continuously and reliably.

The invention discloses a damage detection method for the thickness of a floor slab, which comprises a transparent glass cylinder and a floor slab, the transparent glass cylinder has a detection rod plugged into the inside of the transparent glass cylinder, and a sliding sliding rod is sleeved on the outside of the transparent glass cylinder. shaft, the outer surface of the sliding shaft is fixedly connected with an upper positioning rod, one side of the sliding shaft is provided with a fixing bolt, and the bottom end of the detection rod is fixedly connected with a bottom shaft. The damage detection method for the thickness of the floor slab improves the measurement of the damage method measuring device for detecting the thickness of the floor slab more accurately, is convenient to use, simple to operate, saves time and effort, and the damage method measuring device for detecting the thickness of the floor slab only needs One-person operation can complete the measurement, which can improve the efficiency of measuring floor thickness by using the damage method and reduce personnel operations. It is convenient and efficient, and easy to carry. Compared with the previous two-person operation, it saves manpower and can avoid the unevenness of the formwork joints. error, the prior art is more accurate.

The invention provides a viscous liquid injection device used for liquid speed bumps and belongs to the technical field of road traffic construction. The viscous liquid injection device aims at solving the problems that in the prior art, time and labor are wasted in the liquid injection process, and cleaning is not easy. The viscous liquid injection device comprises a walking unit, a liquid storage unit arranged on the walking unit and a liquid discharging unit connected with the liquid storage unit. The liquid discharging unit comprises a shell arranged on the walking unit. The shell is divided into a stirring cavity, a heating cavity and a releasing cavity from top to bottom. The stirring cavity comprises multiple spiral stirring rods, and each stirring rod is connected with a motor. Heating resistance wires are arranged on the side wall of the heating cavity. The releasing cavity is provided with a push board, the upper end face of the push board is fixedly connected with the lowerend of a push rod, the upper end of the push rod penetrates through the heating cavity and the stirring cavity to be connected with an air cylinder, multiple material leaking holes are formed in the push board, and the air cylinder drives the push board to move up and down to push viscous liquid to be discharged out of the shell.

The invention discloses a method and device for synchronizing network fault information, which acquires network equipment fault information; determines a target interface based on the network equipment fault information; The interface description information corresponding to the target interface, the target association table is a relationship table between the physical interface of the network device that can be dynamically updated and the terminal information connected to the interface; based on the interface description information, the network device failure Information is output in a targeted manner. Based on the target association table, the invention realizes that when a certain device fails or a physical interface fails, the device failure information can be output to the corresponding personnel based on the interface description information, so as to accurately carry the terminal information corresponding to the faulty interface, and improve the operation efficiency. Efficiency and accuracy.

The invention relates to a multifunctional polar coordinate instrument for potting a polar coordinate. The multifunctional polar coordinate instrument is composed of a semicircle colorless and transparent plastic dial and a white nontransparent plastic ruler, the dial and the ruler are combined together through a shaft in the circle center of the back face of the dial and a circular hole in the ruler, and the ruler can perform 180-degree rotation below the dial. A reticule is formed by the diameter of the dial and the radius corresponding to the 90-degree scale on the upper surface of the shaft. A side wall perpendicular to the dial is arranged at the arc-shaped edge of the back face of the dial, the side wall and the shaft are equal in height, and the height is slightly larger than the thickness of the ruler. The zero graduation end of the ruler is in an arc shape, the right middle, close to the arc-shaped end, of the ruler is provided with a cylindrical circular hole, and the diameter of the circular hole is slightly larger than the diameter of the shaft on the dial. An indicating line pointing to the circle center of the upper bottom face on the circular hole is arranged at the arc-shaped end. A cuboid-shaped groove hole is formed form the circular hole to the other end of the ruler, one long edge of the upper bottom face on the groove hole, the indicating line and the circle center of the upper bottom face of the circular hole are in the same straight line, length scales are arranged on the long edge, and a zero point is located on an axis of the circular hole.

The invention relates to a differential magnetic detector for monitoring cheating in an examination room. The main structure of the differential magnetic detector comprises a box, a frame, a circuit board, batteries, a power circuit, a signal indicator switch, a monitoring indicator alternation switch and a radiator; and nine sub-circuits constitutes the integral circuit. The differential magnetic detector can confirm the position of cheating and display signals by adopting a monitoring circuit composed of the chips of a magnetic field sensor to compare the magnetic induction intensity of theexisting special-shaped substances on the basis of the magnetic field generated by a wireless earphone, therefore, cheaters can be located accurately. The magnetic detector has the advantages of reasonable design, compact structure, small size, high portability and convenient operation and application; the magnetic detector powered by a positive 9V DC supply covers a monitoring radial distance of200mm to 300mm in a straight line with the monitoring accuracy being higher than 95%, therefore, the differential magnetic detector is an ideal magnetic detecting device for monitoring the cheating activity in the examination room; and the differential magnetic detector fills in the scientific research blank for the similar technology.

The invention discloses a hand-held urine analyzer, which belongs to the field of medical equipment. Including test paper conveying device controlled by single-chip microcomputer, light collection device, liquid crystal display, data storage module, Hall element, test paper conveying device includes slide rail, test paper tray, rack, gear, motor, test paper tray fixed magnet, single-chip internal program It is designed with a sequence of start-up self-inspection program, test paper tray position detection program, light reflectance automatic calibration program, test paper position detection program, test paper color block automatic calibration program and urine detection program. The invention can make the light detection device automatically align the positive test paper color block, and can analyze the urine more accurately.

A laser fast tracking and aiming tree branch removal system belongs to the field of electronic technology. The object of the present invention is to provide a laser fast tracking and aiming tree branch removal system for accurately removing tree branches near high-voltage lines by laser. The present invention includes a laser power supply, a laser, a focusing system, a thermal imager, a control system, a position limitation, and a three-dimensional translation platform; wherein the laser power supply includes a pulse constant current output circuit, a power conversion circuit, an isolation module circuit, a short circuit protection circuit, an overvoltage Protection circuit, over-temperature detection circuit, over-current protection circuit; control system includes acceleration gyroscope sensor, output chip circuit, reference voltage chip circuit, pulse output circuit, voltage regulator circuit, PWM pulse width modulation chip, FET drive circuit, Communication chip circuit, interface circuit, isolation module power supply, 485 isolation communication chip, buffer chip circuit, main control chip; position limitation includes position control sensor interface; the laser uses a solid-state laser with solid material as the working substance. The invention is applied to positions that are difficult to be reached by humans in industry, and can accurately and quickly realize positioning and remove branches.

The invention belongs to the field of structural health monitoring, and relates to a data compression reconstruction and structural damage identification method and equipment based on piezoelectric admittance. This method collects the original conductance data, and performs maximum and minimum normalization processing on it; uses compressed sensing theory to compress the processed sampling data, and implements linear transformation on the data through a random matrix, transforming the problem of restoring the original signal into a residual The difference iteration problem; the adaptive orthogonal matching pursuit algorithm based on the optimal sparsity parameter analysis is used to reconstruct the conductance data; the root mean square deviation and correlation coefficient obtained from the reconstructed data are used to diagnose the damage of the structure. This method can effectively combine the damage identification based on piezoelectric admittance technology with the data compression algorithm based on orthogonal matching pursuit algorithm, and can effectively identify different types of damage in the structure, and it is still effective in the case of sensor damage.

The invention relates to a sound source identification and positioning device and especially relates to a portable double-microphone sound source identification and positioning device. The technical problem to be solved is to provide the portable double-microphone sound source identification and positioning device which is simple in structure, small in size, convenient to carry and more visual in display result. The portable double-microphone sound source identification and positioning device comprises a microphone A, a microphone B, a pre-amplifier A, a pre-amplifier B, a support, a signal acquisition module, a sound source identification and positioning module, a storage module and a displayer. The portable double-microphone sound source identification and positioning device solves the defects that an existing sound source identification and positioning device is large in size, and inconvenient to transport and carry; the device is simple in structure, small in size, convenient to carry, capable of identifying sound sources from different directions, small in computation complexity, high in real-time performance, and suitable for being applied to an embedded system; and the device is equipped with a liquid crystal display screen, so that the display results are more visual.

The embodiment of the invention discloses a method, a device and a system for processing feedback information of a channel state. The method for processing the feedback information of the channel state is used for a communication system using a multiple-input multiple-output technology and comprises the following steps of: transmitting a media access control (MAC) protocol data unit flow on an uplink physical service channel, wherein one or more MAC protocol data units in the MAC protocol data unit flow comprise the feedback information of the channel state information (CSI) of a downlink channel; and sending indication information, wherein the indication information indicates the positions of the one or more MAC protocol data units in the MAC protocol data unit flow. Compared with the mode that a terminal feeds an index number of a pre-coding codebook back to a base station through a pre-coding control indication field of a high speed-dedicated physical control channel (HS-DPCCH), the terminal can carry more information in the mode of carrying the feedback information in the MAC protocol data units.