394results about How to "Avoid complex structures" patented technology

The invention provides a temperature sensing device and a cooking utensil. The temperature sensing device is used for the cooking utensil with an inner pot. The inner pot is provided with an outer-layer pot wall and an inner-layer pot wall, a closed cavity is formed between the outer-layer pot wall and the inner-layer pot wall, and a medium capable of transferring heat is arranged in the closed cavity. The temperature sensing device comprises a temperature sensing element which is used for sensing the temperature of the medium. According to the temperature sensing device and the cooking utensil, it can be ensured that the temperature on the surface of the inner pot is consistently and stably sampled by the temperature sensing element.

The present invention relates to a method of production and an arrangement for feeding and guiding web materials in laterally separate paths from a web supply to a machine for producing packing blanks. More specifically a web guide is disclosed, capable of controlling web materials in laterally separate paths from a side by side storage to be advanced in parallel paths through the machine and to be separately or simultaneously processed into packing blanks.

The present invention enables a processing to be executed by the closest information processing apparatuses selected by a portable terminal without exclusive use of the information processing apparatus by the portable terminal. The control system comprises a distance detecting unit which detects a printer at the shortest distance from a portable POS terminal based on the intensity of radio waves emitted from the plurality of printers and received by the portable POS terminal by using the BLE and a processing execution control unit which instructs the detected printer to execute the processing by using the wireless LAN. Even while the portable POS terminal transmits printing data to the printer by using the wireless LAN, the other portable POS terminals are allowed to use the BLE to receive the radio waves from the plurality of printers including the particular printer, thereby detecting the closest printer.

The invention discloses an optical fiber vector vibration sensor. The optical fiber vector vibration sensor comprises a broadband light source, a polarization control unit, a sensing probe and an orthogonal polarization demodulation unit, wherein the polarization control unit comprises a polarizer and a polarization controller; the sensing probe comprises a multi-mode tilted optical fiber grating, a cladding layer-fiber core energy recoupling structure and a polymer elastic tube; the multi-mode tilted optical fiber grating and the cladding layer-fiber core energy recoupling structure are encapsulated in the polymer elastic tube and used for sensing environment vibration information; the multi-mode tilted optical fiber grating is made of a multi-mode optical fiber; the cladding layer-fiber core energy recoupling structure is welded in a manner of axially aligning multi-mode and single-mode optical cores; the orthogonal polarization demodulation unit comprises a polarization beam splitter, a filter and a photoelectric detector; and the polarization control unit, the sensing probe and the orthogonal polarization demodulation unit are connected by virtue of an optical fiber circulator or a coupler. The optical fiber vector vibration sensor disclosed by the invention can recognize two-dimensional vibration direction based on single optical fiber grating, and has the advantages of high sensitivity, compact structure, low cost and easiness for networking.

A buffer generates a load drive voltage by impedance-converting an input signal and outputs the generated load drive voltage to a load circuit. An input level controller controls a voltage of the input signal to be a boost voltage having a potential higher than that of a targeted drive voltage of the load drive voltage during a certain period in an initial stage where the voltage of the input signal is changed, and controls the voltage of the input signal to be the targeted drive voltage during the period other than the certain period in the initial stage of the voltage change.

A method based on annular laser vision sensing for automatically locating the welded seam includes such steps as detecting annular laser tracings by CCD planar array, imaging on image sensing surface of camera, obtaining the expression equations for the X and Y coordinates of the characteristic points of said welded seam in conic coordinate system of laser, finding out the depth value of said characteristic point according to circular radius-depth relation algorithm, creating the equation for the Z coordinate of the characteristic point to be detected, finding it out, and converting the found out 3D coordinates from said conic coordinate system to the coordinate system of robot itself. Its advantage is high efficiency.

The invention discloses a frequency-division multiplexing (FDM)-based three-dimensional (3D) printer, comprising a frame, a base, an X-axis mobile system, a Z-axis mobile system and a printing device, wherein the printing device is connected with the X-axis mobile system; the X-axis mobile system is connected with the Z-axis mobile system; the Z-axis mobile system is connected with a guide rail of an upright post; a power supply and a controller are arranged on the base; the controller is connected with the Z-axis mobile system; the Z-axis mobile system comprises a third numerical control motor, a left screw and a right screw, a Z-axis fixed base and a limit switch; the left screw and the right screw are respectively arranged at the outer sides of a left upright post and a right upright post; the third numerical control motor is connected with the lower ends of the screws; the screws are connected with screw nuts; the screw nuts are connected with the Z-axis fixed base; the Z-axis fixed base is connected with the X-axis mobile system; a fixed base through hole is formed in the Z-axis fixed base; the left upright post and the right upright post pass through the fixed base through hole; the bearing is matched with the guide rail of the upright post. Thus, the FDM-based 3D printer is simple and compact in structure, small in volume and low in manufacturing cost.

The invention discloses an all deflection propeller vector boost mechanism and an underwater navigation vehicle provided with the same and belongs to the technical field of underwater navigation vehicles. The all deflection propeller vector boost mechanism comprises a support, wherein a disk serving as a static platform is arranged above the support, and a cardan joint serving as a dynamic platform is arranged below the support; a propeller and a boost motor are arranged on the dynamic platform and connected to form a tail thruster; a deflecting mechanism and a slewing mechanism are arranged between the dynamic platform and the static platform. Through motion synthesis of two relatively or completely independent motion chains, namely the deflecting mechanism and the slewing mechanism, the tail thruster can rotate in all directions at any deflecting angle. The all deflection propeller vector boost mechanism has the advantages of being convenient to install and control, good in low-speed steering performance and the like.

The invention discloses an automatic time-tick synchronization system of intelligent electronic equipment of a transformer substation in the technical filed of automatic time-tick of intelligent electronic equipment of a transformer substation in the power sector. The automatic time-tick synchronization system comprises a time-tick server and a time-tick terminal installed on the intelligent electronic equipment of the transformer substation. The time-tick server comprises a UTC (Universal Time Coordinated) acquisition unit, a central processing unit supporting an IEEE1588 protocol and a network interface supporting IEEE1588 protocol communication; the time-tick terminal comprises a protection unit based on IEC61850 modeling, a central processing unit supporting the IEEE1588 protocol and a network interface supporting IEEE1588 protocol communication; and the time-tick server and the time terminal are connected by the network interfaces supporting IEEE1588 protocol communication. The invention avoids the problems of complicated network structure and overhigh cost of the traditional time-tick system and improves the accuracy of clock synchronization.

The invention discloses method and device for deleting duplicate data on the basis of the Openstack Object Storage system. The method and device are characterized in that a proxy node comprises a duplicate removing middleware module; a storage node comprises a duplicate removing service process module; a duplicate removing hash ring is built in the duplicate middleware module, and each node of the duplicate removing hash ring is a root node of a red-black tree; a fingerprint file is sent to the duplicate removing duplicate module through the duplicate removing service process module; a duplicate file can be determined by the duplicate removing middleware module after finding the root node of the red-black tree; then one duplicate file is remained in the storage node, and other duplicate files are deleted; a redirection file directed to the remained duplicate file is stored at the position in which other duplicate files are stored before; if no duplicate file is found, the value of a virtual node partition in each fingerprint file and the MD5 value of the file content are inserted into a sub-node of the red-black tree. According to the method and device, the transverse expansion advantages of linear increase of the performance of the Openstack Object Storage system are fully utilized, and thus the node can be easily expanded.

The invention discloses an FDM (frequency-division multiplexing) 3D (three dimensional) printer. The 3D printer comprises a rack and an X-axis moving system, wherein a controller is connected with the X-axis moving system and a printing device; the X-axis moving system comprises a first numerical control motor and a horizontal X-axis moving guide rail, the horizontal X-axis moving guide rail is connected with a left-side support arm and a right-side support arm, the first numerical control motor is connected with a first synchronous toothed belt, the first synchronous toothed belt is a long-strip belt, one end of the long-strip belt is connected with the left-side support arm, the other end of the long-strip belt is connected with the right-side support arm, a first groove is formed in the left-side support arm, a second groove is formed in the right-side support arm, the left end of the first synchronous toothed belt is meshed and locked with the first groove, the right end of the first synchronous toothed belt is bent inwards, tooth grooves on two sides of a bent part of the first synchronous toothed belt are correspondingly matched with a tooth top to form a gear belt overlap region, and the gear belt overlap region is matched and locked with the second groove. The FDM 3D printer is simple in structure and small in volume and low in cost.

The invention discloses a reflection-type off-axis digital holographic microscopy measurement device, which comprises a light source unit, an object light adjusting unit, a reference light adjusting unit and an image processing unit. The reference light adjusting unit comprises an optical path adjustment reflector group and an optical path guidance reflector group. The optical path adjustment reflector group comprises a first reflector and a second reflector, the positions of which are relatively fixed. The first reflector is used for reflecting the reference light R to the second reflector; the second reflector is used for reflecting the input reference light R to the optical path guidance reflector group; the optical path of the reference light R can be adjusted by moving the optical path adjustment reflector group wholly; the optical path guidance reflector group can guide the reference light R, the optical path of which is adjusted, to be input to the image processing unit to have interference with reflected light O'; and the image processing unit is used for processing interference fringes to obtain a sample three-dimensional image. The device can improve the quality of the holographic image.

The invention provides a titration apparatus, wherein the unbeneficial condition due to the oxidation of reagents in a titration reagent introduction pipe during the standby process can be avoided. The reagent introduction mechanism (3) comprises a titration reagent introduction pipe (34) inserted into a sample vessel (11). The front end (341) of the titration reagent introduction pipe is lower than the liquid level of a reagent in the sample vessel (11); a reagent pumping part (35) used for exiting or pumping the reagent in the titration reagent introduction pipe (34); a control unit (5) used for controlling the pumping operation of the reagent pumping part (35) after the discharging of the reagent discharged from the sample vessel (11) by a reagent discharging mechanism (4).

The invention discloses a cluster antenna, which comprises a package device and n antenna arrays arranged uniformly along the same circumference in the package device, wherein each antenna arrange achieves the coverage of a 360DEG/n angle range and includes a phase modulating device for modulating the phase of a communication signal to adjust the azimuthal angle of the vertical plane of the antenna array. The package device of the cluster antenna comprises a cylindrical cavity, an upper flange arranged on the top of the cylindrical cavity and a pedestal arranged on the lower part, wherein the pedestal and the upper flange are connected with the n antenna arrays. According to the structure, the coverage sector formed by each antenna array can be packaged nondependently, the three sectors share one integral antenna cover package, each antenna array achieve horizontal angle adjustment dependently, and the cluster antenna achieve integral horizontal adjustment. The cluster antenna has the advantages of small outer diameter, light weight, reliable structure, and convenient installation and maintenance.

A power generation apparatus that suppress cavitation includes a first on/off valve provided between a steam generator and an expander in a circulating channel; a bypass channel connected between an area between the steam generator and the first on/off valve and an area between the expander and a condenser; a second on/off valve provided in the bypass channel; a third on/off valve provided between a pump and the steam generator; and a controller. When stopping the pump, the controller outputs a control signal that stops the pump, a control signal that closes the first on/off valve, a control signal that opens the second on/off valve, and a control signal that closes the third on/off valve. In the case where a predetermined condition has been met, the controller outputs a control signal that closes the second on/off valve.

The invention relates to a marine novel wind distributor, comprising a wind inlet pipe and a wind outlet pipe communicated with a box body respectively, wherein the air inlet pipe is arranged on a lateral plate of the box body, and the wind outlet is arranged on a bottom plate of the box body; a plurality of wind inlets are distributed on a wall of the wind inlet pipe; a regulating pipe with a primary regulating mechanism is sleeved outside the wall of the wind inlet pipe; a plurality of regulating holes are distributed on the wall of the regulating pipe uniformly; the regulating holes of theregulating pipe are corresponding to the wind inlets of the wind inlet pipe to form a closed or partially switched or completely connected state; a valve plate sealed and matched with an inner wall of the wind inlet pipe is arranged in the wind inlet pipe; and the valve plate is connected with a secondary regulating mechanism to form the state capable of sliding forwards and backwards in the windinlets on the wall of the wind inlet pipe. The marine novel wind distributor adopts the primary and the secondary regulating mechanisms to regulate wind inlet quantity of the wind distributor jointly, and controls a wind outlet temperature of the wind distributor in cooperation with heating pipes in the wind distributor to realize balance regulation of the wind outlet quantity and the wind outlettemperature. The wind distributor is simple and compact in structure, easy in operation, low in use cost and high in safety performance, saves energy, reduces consumption and meets requirement of themarine air conditioning on comfort regulation.

This vibrating element includes a movable portion driven to vibrate at a prescribed resonance frequency, a driving portion vibrating the movable portion by cyclically supplying a pulse signal and a detecting portion detecting the vibrational state of the movable portion, while the driving portion is so formed as to supply the pulse signal at a first frequency substantially identical to the resonance frequency of the movable portion at least in starting and to cyclically supply the pulse signal at a second frequency smaller than the first frequency in detection of the vibrational state of the movable portion.

The invention discloses a polarization-maintaining fiber grating two-dimensional vector vibration sensor. The sensor comprises a broadband light source, a polarization control unit, a sensing probe and an orthogonal polarization demodulation unit, wherein the polarization control unit comprises a polarizer and a polarization controller, the sensing probe comprises an optical fiber probe, the optical fiber probe comprises a polarization-maintaining fiber grating and a cladding-fiber core energy re-coupling structure and is used for sensing the environment vibration information, the optical fiber probe is written in polarization-maintaining fiber, the cladding-fiber core energy re-coupling structure is welded through a polarization-maintaining/single-mode fiber core axial aligning mode, the orthogonal polarization demodulation unit comprises a filter, a polarization beam splitter, two photoelectric detectors and an orthogonal polarization vector synthesizer, and the polarization control unit, the sensing probe and the orthogonal polarization demodulation unit are connected through an optical fiber circulator or a coupler. By the aid of the mechanism, the two-dimensional vibration direction identification based on the single-optical fiber grating can be achieved. The mechanism has the advantages of being high in flexibility, compact in structure, low in cost and easy for network deployment.

The invention provides a multi-joint industrial mechanical arm. The multi-joint industrial mechanical arm comprises a base, a first joint and a first driving device are installed at the upper end of the base, two swinging arms and a swinging driving device are installed on the first joint, a second joint and a second driving device are installed on the swinging arms, and the swinging driving device comprises a swinging motor fixed to the upper end of the first joint and located between the two swinging arms. One end of the second joint is connected to the upper ends of the two swinging arms in a rotating mode and located between the two swinging arms, and the second driving device comprises a second motor which is located between the two swinging arms and is close to the swinging motor. Through arranging the two swinging arms, torsion transferred by the joints is distributed to the two swinging arms, meanwhile, the gravity center of the swinging motor and the gravity center of the second motor are low according to the arrangement positions, the torsion borne by the swinging arms is effectively lowered, the structure is simple, the service life is long, and working stability is good.

The invention discloses a automatic energy-saving purification filter, its characteristics are that, at least two filter core, a change fluid set in the filter with roof of filter core constitute active cavity, through-hole on the roof of filter core, the active cavity through through-hole connect the cavity of filter core and through the back flow channel pass transferpump connect the enter fluid port. Based on no change of original tube and setting position, the invention used the spinning of the change fluid achieve fuel filtration and recoil washing function, which is a revolutionary improvement of the traditional electromechanical switch teams filter automatically filter with intermittent operation, the machine operator no more worry about removing filter core, fuel saving and environmental protection, science and simple structure, reducing the automatic filter manufacturing costs. The present invention can also make watered-oil emulsion, the use of emulsified oil in the middle operating condition saved about 5%, reducing harmful gases and soot particulate emissions above 30%, significant social and economic benefits.

Each shading plate comprises a rotating shaft and a driving shaft arranged vertically. First divided shading plate is loosely fitted to and supported by (not adhere to) the rotating shaft and rotates around the shaft. Second divided shading plates are fixed to the rotating shafts and rotate by rotating movement of the shafts. A driving shaft is connected longitudinally to (not adhere to) an edge of the first divided shading plate and supply power to rotate the first divided shading plates. Recesses are formed at the center of upper short side and at the center of lower short side of the first divided shading plate and the first divided shading plate and the second divided shading plates which form one and the same shading plate are so constructed that their short sides are overlapped each other.

The invention relates to the arrangement of a battery, which provides an electric motorcycle capable of preventing the complexity of the body structure and ensuring the good driving performance thereof.The electric motorcycle (1) comprises a motor (50) for applying the rotation driving force on the trailing wheel (WR) thereof, a battery (30) for providing electric power to the motor (50), a FET electromotor driving part (60) for driving the motor (50),a control base board (40) for controlling the FET electromotor driving part (60),and a swing arm (20).The shaft of the swing arm mounted on themotorcycle body in a freely swinging way supports the rear wheel (WR).The swing arm accommodates the motor (50), the FET electromotor driving part (60) and the control base board (40).The battery (30) arranged inside the swing arm (20) is close to the swinging axle (21) of the swing arm (20).The battery (30) is in an elongated shape and the length direction of the battery points to the width direction of the motorcycle.The FET electromotor driving part (60) and the control base board (40) are arranged in a non-overlapping way when the motorcycle is viewed from the side thereof.

The invention belongs to a manufacturing technology of functional honeycombs and relates to a preparation method of a sound-absorption honeycomb provided with embedded micro-perforated sound-eliminating separating plates. The thickness of a honeycomb is selected to range from 10 mm to 200 mm, the side length of an inner cavity of the honeycomb ranges from 2.0 mm to 8.0 mm, then epoxy resin, bismaleimide resin or unsaturated polyester resin and the like are laid on a supporting mold plate, the honeycomb is arranged on one surface, where resin is laid, of the supporting mold plate and is pressed into the supporting mold plate, the specific embedding depth of the embedded separating plates is 10%-90% of the depth of the honeycomb, and then curing treatment is conducted; then demolding is performed, the honeycomb structure provided with the embedded resin separating plates is obtained, laser micro-perforating treatment is performed on the embedded resin separating plates in the obtained honeycomb structure provided with the embedded resin separating plates, and the sound-absorption honeycomb provided with the embedded micro-perforated sound-eliminating separating plates is obtained. The honeycomb structure provided with the embedded separating plates is designed and formed by the aid of the structure of the inner cavity of a core material of the honeycomb, in cooperation with the laser micro-perforating technology, micro sound-absorption holes are evenly distributed in the embedded separating plates, and the sound-absorption honeycomb provided with the embedded micro-perforated sound-eliminating separating plates is obtained.

This invention relates to a test stand for automatically measuring volume of an oil spray pump including a sprayer, a collector, a deforming stabilizer, a collect/discharge electromagnetic valve and a flow sensor, among which, the oil collector is mounted on the outlet of the oil sprayer connected with the deforming regulator via conduit, outlet of which is linked to the inlet of the collect/discharge valve, the flow sensor is mounted on the valve, the top overflow lip of the sensor and outlet of the valve are connected with the oil tank via return tubes which applies the sensor in the collector to determine it the pump is at the spraying state, either solves the problem of costing too long time to test small volume by single volume flow sensor or complicated structure of a multi-volume flow sensor.