261results about How to "Not easy to vibrate" patented technology

The invention provides a method for manufacturing a MEMS (Micro Electro Mechanical System) and an MEMS inertial sensor. The method comprises the steps of depositing a first carbon layer serving as a sacrificial layer on a semiconductor substrate; patterning the first carbon layer and forming a fixed anchor bolt, an inertial anchor bolt and a bottom sealing ring; forming a contact plug in the fixed anchor bolt and a contact plug in the inertial anchor bolt; forming a first fixed electrode, an inertial electrode and a connection electrode connected with the inertial electrode on the first carbon layer, the fixed anchor bolt and the inertial anchor bolt, wherein the first fixed electrode and the inertial electrode form a pair of capacitors; forming second carbon layers serving as covering layers on the first fixed electrode and the inertial electrode; and forming top cover layers on the second carbon layers and a top sealing ring. According to the inertial sensor provided by the invention, under the action of the inertial force, only the inertial electrode moves and the fixed electrode can not move or vibrate, so that the accuracy of the inertial sensor is improved.

The invention discloses a track detector. The track detector comprises a machine frame, a gauge measuring device and a geometric parameter measuring device for an F-shaped track, wherein the machine frame consists of a horizontal beam, a vertical beam and a running device, and one end of the horizontal beam is connected with the vertical beam; the gauge measuring device comprises a first pressing device and a gauge measuring sensor, the first pressing device is connected with the other end of the horizontal beam through an elastic component, and the gauge measuring sensor is mounted at one end, connected with the elastic component, of the horizontal beam; the geometric parameter measuring device for the F-shaped track is arranged on the vertical beam and comprises second pressing devices, a data collecting sensor and one or more brackets allowing the data collecting sensor to be mounted, and during the operation, the first pressing device, the second pressing devices and the elastic component are matched to fasten the track detector on the F-shaped track. The main body of the machine frame consists of the horizontal beam and the vertical beam, so that the track detector is good in wholeness, not prone to vibrate, simple in structure and convenient to assemble, disassemble and carry.

The invention relates to a turbine blade arrangement consisting of rotating blades (4) respectively provided with a leg (8) which can be respectively inserted into a groove (9) on the outer circumference (2) of a turbine disk in a radial, positive fit and which are respectively provided with a profiled section (5) which has a lateral platform (6) located in an end area on the side of the disk. According to the invention, at least one part (10) of the platform is joined to the turbine disk by means of a retaining element which is independent from the leg (8) of the blades in order to extend the profiled sections of the rotating blades.

The invention provides an AC chopper and a chopping method thereof. The chopper is connected between an AC power source and a load, and comprises a switch group, an inductor, a current polarity detector and a switch-control logic unit, wherein the switch group comprises a plurality of switches and is connected with the AC power source; one end of the inductor is connected with the switch group, and the other end of the inductor is connected with the load; the current polarity detector is connected between the inductor and the load and is used to detect the direction of current output to the load by the chopper at the moment of switching switch states; and the switch-control logic unit receives current-direction signals sent by the current polarity detector and sends different control time-sequence signals to a plurality of switches according to the current-direction signals so as to control the turn-on sequence of the switches and convert the inductor mutually between a follow-current state and a charged state. As the method is based on current polarity but not voltage polarity to perform detection, input-voltage short circuit does not exist at any moment. In addition, the method detects current polarity only at the moment of switching switch states, and is a non-continuous detection method, thus systems are not easy to oscillate.

The invention relates to the field of processing filling food, in particular to a molding method for food with round shape, comprising the following steps that: A, charging: skin and stuffing are added in feeding assemblies of a split type feeding system of a molding machine for food with round shape; B, compositing: the skin and stuffing of the feeding assembly are allowed to enter a skin-stuffing complex; C, cutting off: the skin and stuffing output by the skin-stuffing complex are cut off by a cutting assembly which is connected with a cutting lift assembly, the cutting assembly is driven by the cutting lift assembly to realize the cutting function and moving up and down simultaneously; D: ball-kneading: the cutting-off skin and stuffing are put into a ball-kneading device for kneading into balls; and E, discharging on the plate: the products obtained by ball-kneading are transferred to a discharging plate assembly from the ball-kneading device. According to the invention, the two independent feeding assemblies and the skin-stuffing complex have the advantages of simple disassembling and installation, when cleaning or maintaining the parts, only at least one feeding assembly needs be disassembled from the skin-stuffing complex to carry out the cleaning and the maintenance. Because the disassembling is realized by simple rotation, the present disassembling mode is simplified with saving the disassembling time and improving the work efficiency.

A double cavity type piezoelectric micropump comprises a cover body, a shell and a pump core component, wherein the shell is fixedly matched with the cover body, pump cavities are defined by the cover body and the shell, and the pump core component is located in the pump cavity. The cover body is provided with a first locating protrusion and a first pre-pressing portion, and the shell is provided with a second locating protrusion and a second pre-pressing portion; the pump core component comprises a primary support together clamped by the first locating protrusion and the second locating protrusion, a secondary support fixedly matched with the primary support, a first elastic seal ring arranged on the primary support, a second elastic seal ring arranged on the secondary support, a first piezoelectric vibrator the periphery of which is pre-pressed on the first elastic seal ring and abuts against the first pre-pressing portion, a second piezoelectric vibrator the periphery of which is pre-pressed on the second elastic seal ring and abuts against the second pre-pressing portion, a first inlet valve and a first outlet valve arranged on the primary support, and a second inlet valve and a second outlet valve arranged on the secondary support. The double cavity type piezoelectric micropump has the advantages of being large in flow, compact and small in structure, low in noise and extremely high in practical value.

The invention discloses a manipulator and wafer processing process. The manipulator comprises a robot arm and an, wherein the front end of the robot arm is provided with a card slot, the rear end of the end actuator is inserted to the card slot, and is in fixedly connected through screws, to increase the integral rigidity, and further to reduce the vibration of the robot arm in the operation process; the upper surface of the end actuator is provided with a groove, plane shape of the groove is suitable for the plane shape of the processed wafer, the processed wafer can be put into the groove exactly, so as to hold the wafer at a fixed position in the motion period of the robot arm, and to enhance the wafer stability. The operation rate of the robot arm can be increased to increase the output of the wafer processing system in the unit time, the friction between the wafer and the end actuator is simultaneously avoided, to ensure the normal conducting of the processing technology, and toprotect the wafer.

The invention relates to a fiber arranging mechanism which is applied to an automatic optical fiber ring coiling machine, and the fiber arranging mechanism is composed of a fiber arranging component (1), a driving component (2) and a platform bracket (3). The lower installing face (302) of the platform bracket (3) is fixedly arranged on a precision platform (4). The upper installing face (301) of the platform bracket (3) is fixed with the slipway base (13) of the fiber arranging component (1). The fiber arranging component (1) is composed of an outer cover (11), a working table (12), the slipway base (13) and a sliding component (15). The fiber arranging mechanism of the invention is applied to the realization of fiber arranging function on various automatic optical fiber ring coiling machines, simultaneously, the invention also can be used in the machines such as optical fiber repeat coiling typed machines and optical fiber selecting machines. A screw lever (170) is driven to rotate by a motor (201), and the working table (12) can be made smoothly to slide on an A guiding rail (155) and a B guiding rail (156). Slight optical fibers can be accurately arranged on a preconcerted light fiber ring through adopting a frame with high stiffness, a prestressed assembling structure and an excellent driving and controlling characteristic in the fiber arranging mechanism.

The invention relates to a speed control method for a numerical control system in consideration of small line segment and connection point speed. A maximum speed curve is drawn by obtaining theoretical maximum speed of all small line segments and connection points through calculation, local end points are selected accordingly, a machining path is segmented through the local end points and the system makes acceleration or deceleration speed plans for path units obtained after segmentation. The line segments planned at each time by adopting the method provided by the invention are no longer separate small line segments but relevant continuous multiple small line segments. Therefore, frequent acceleration does not occur, a machine is not easy to generate greater vibration and the machining efficiency is improved; by adopting the method to plan the speed, acceleration and deceleration outlines are not required to be an analytic function and can be segmented or certain tables; and acceleration and deceleration processes are not required to be symmetrical.

A method for determining the thickness of a film on a substrate is described. The substrate has a first major surface opposite a second major surface, and the film covers a portion of the first major surface. During a first measurement step, a first measuring beam is used to determine the distance from a first reference point to a portion of the first major surface of the substrate that is not covered with the film,and a second measuring beam is used to determine the distance from a second reference point to a portion of the second major surface of the substrate that is not covered with film. During a second measurement step the first measuring beam is used to determine the distance from the first reference point to the film, and the second measuring beam is used to determine the distance from the second reference point to a portion of the second major surface of the substrate that is not covered with film. The thickness of the film so determined may be used as a control parameter in a method of applying an ink to an automotive glazing pane.

The invention provides a low-pressure difference voltage stabilizer and a flash memory. The low-pressure difference voltage stabilizer comprises a first-grade error amplifier, a power tube, a first Miller capacitor and a load detection circuit, wherein the power tube is connected with the first-grade error amplifier and suitable for outputting an adjusted output signal applied on load; the first Miller capacitor is arranged between an output end of the first-grade error amplifier and an output end of the power tube; the load detection circuit is suitable for generating a control signal according to a current load situation of the load; the first-grade error amplifier comprises a gain adjusting unit used for positively adjusting the gain of the first-grade error amplifier according to the control signal. The low-pressure difference voltage stabilizer has good stability when being no-load or light-load.

The invention relates to a special concrete slab pouring device for construction of civil engineering and a construction method thereof. The special concrete slab pouring device for construction of civil engineering comprises a concrete slab pouring space encircling and fixing assembly and an oscillator main body supporting assembly, wherein a concrete slab cover die is arranged in the concrete slab pouring space; the concrete slab pouring space encircling and fixing assembly comprises a bottom plate, wherein four vertically arranged baffle plates are arranged above the bottom plate; the fourbaffle plates encircle and fix a rectangular concrete slab pouring space; the oscillator main body supporting assembly comprises two supporting rods which are vertically arranged on the concrete slabpouring space encircling and fixing assembly, wherein the oscillator main body is an oscillator upper shell, an oscillator lower shell is arranged on the lower part of the oscillator upper shell, thein-shell space of the oscillator upper shell out of a motor hood communicates to the oscillator lower shell space through a columnar concrete channel, round concrete outlets are uniformly formed in the bottom surface of the oscillator lower shell, and concrete flows into the concrete slab cover die through the round concrete outlets. The special concrete slab pouring device for construction of civil engineering has very good popularization and practical value, and generates a good economical benefit if being widely popularized and applied.

The invention relates to a dynamic prewhirl and axial push type hydrocyclone which is composed of a medium prewhirl part and a hydrocyclone separating part. The invention is characterized in that materials are fed along the axial direction, a turnstile is used for prewhirl, the axial dimension of the turnstile is short and is not easy to vibrate; and the turnstile also has the function of boosting pressure, the pressure drop of the hydrocyclone is very low; a ring-shaped material axial propelling and accelerating structure is arranged in the outer ring area of the end part of the turnstile so that the axial flow on the periphery of the hydrocyclone is increased, the heavy component on the border can faster reach a heavy liquid outlet, the treatment capacity is increased, the outflow of the unseparated inner medium is reduced, and the axial velocity gradient between layers is reduced, thus avoiding entrainment and blending. A short-circuit-proof baffle cap is arranged at the outlet of light liquid which flows backward so that the feed mixed medium is prevented from flowing to the outlet of light liquid, namely short circuit outflow while the separating efficiency is increased. The invention is applicable to the efficient separation of liquid-solid two-phase with solid particles or oil-water two-phase with solid particles.

The invention relates to a portable adsorption type natural gas recovery device and method. The device consists of a gas collecting module, a machine pump module, an adsorption module and a control module, wherein each of the modules comprises a natural gas bottle or an LNG bottle, a gasifier, a buffer tank, a vacuum pump, a natural gas compressor, an ANG bottle, a control cabinet, a pressure, temperature and oxygen detecting probe and various valves; main body equipment of the device is mounted on a gasifier prying block, a buffer tank prying block, a vacuum pump prying block and a compressor prying block; the prying blocks are in bolt connection, so that in-site assembled prying can be convenient to perform, and a vehicle-mounted natural gas recovery device can be made, so that the movement and the operation are convenient. The ANG bottles can be demounted, and replaced, and system operation is not influenced. The device is provided with a vacuum system for vacuumizing the system. According to the portable adsorption type natural gas recovery device and the method disclosed by the invention, natural gas exhausted from the natural gas bottles or the LNG bottles is collected to the gasifier and the buffer tank; a compressor is used for compressing the natural gas through medium pressure into the ANG bottles to be stored, so that recovery is realized. When being required by outside, gas in the bottles can realize desorption for use of energy resources.

The invention relates to a hardware transporting device, in particular to a computer hardware transporting device. The computer hardware transporting device aims to achieve the technical effects of having the damping function, being not prone to generating shake and not prone to causing damage in the transportation process and reducing the economic loss. The computer hardware transporting device comprises a base plate, two support plates, a lifting mechanism, a cross plate, first springs, a holding box, a locking device and the like. The two support plates are symmetrically and vertically arranged on the left side and the right side of the top of the base plate. The support plates are connected with the top of the base plate in a bolted manner. The portion, between the two support plates, of the top of the base plate is provided with the lifting mechanism. The cross plate is arranged above the lifting mechanism located between the two support plates. The first springs are connected between the bottom of the cross plate and the lifting mechanism. The computer hardware transporting device achieves the effects of having the damping function, being not prone to generating shake and not prone to causing damage in the transportation process and reducing the economic loss.

The invention provides a quick clamping system. The quick clamping system comprises a baseplate cavity, a clamping device and a pneumatic device, wherein the top surface of the baseplate cavity is opened; the clamping device is mounted in the baseplate cavity and comprises a base shell, steel balls, a piston and a body; the baseplate cavity, the base shell, the piston and the body fit one anotherin a sealing manner to form two airtight chambers being variable in volume; the piston can be driven by an external pneumatic pressure power to move up and down in the axial direction of the base shell, so as to squeeze or loosen the steel balls at the top of the base shell to achieve a locking or unlocking function; the pneumatic device is used for driving the piston and comprises gas paths and an external gas source; the gas paths are connected with the two airtight chambers. The quick clamping system provided by the invention can effectively solve the problems of a pneumatic clamping device: piston wearing and getting stuck as well as instability or even loss of the clamping function and further improves the locking/unlocking speed when compared to the pneumatic clamping device.

The invention discloses an IoT-based anti-interference electronic communication device comprising a casing, a positioner, a signal receiver and an anti-interference device, wherein the casing is provided therein with a processor; a heat dissipation fan is installed above the processor; a mounting plate is mounted above the positioned; the top of the casing is provided with a through hole; a fixingring is mounted on the upper end of the casing; a signal transmitter is mounted on the upper end of the mounting plate; and a stabilized voltage supply is disposed under the anti-interference device;a binding post is disposed outside the casing; a control panel is disposed above the binding post; and the casing is provided with an access door. The IoT-based anti-interference electronic communication device has the advantages of 1, convenient use, flexible operation, stable power supply, convenient detection and maintenance, and good practicability; 2, reinforcing the signal transmitter and the signal receiver to prevent loosening and falling off; 3, being resistant to interference, dissipating heat inside the device and extending the service life of the device.

The invention provides a motor support. The motor support comprises a body. The body comprises two supporting structures. The tops of the two supporting structures are connected to form an inverted V-shaped structure. A motor installing part is arranged on the top of the inverted V-shaped structure and used for being fixedly connected with a motor. Foundation feet are arranged at the bottoms of the supporting structures and used for being fixedly connected to equipment. The triangular structure similar to the inverted V shape is adopted in the motor support, the principle that the triangular structure is relatively stable is adopted, the motor is arranged on the top of the inverted V shape, and the two foundation feet are connected with a bottom plate to play a supporting role. By means of the motor support, the stability of the motor support is greatly improved, vibration of the whole machine is weakened as well, noise during running of the whole machine is lowered, and the quality is improved. The invention further provides an air conditioner outdoor unit.

The invention discloses an air cooling and water cooling hybrid heat dissipation case. The case comprises a box body, a miniature booster pump and a sound insulation pad, cushion blocks are mounted onthe left side and the right side of the lower end surface of the box body, and telescopic rods are arranged on the inner sides of the left end and the right end of the buffer structure. A front groove position is reserved in the right side of the box body, and a CD-ROM drive position is arranged at the upper end of the right side in the box body. Circuit boards are tightly attached to the left sides of the CD-ROM position and the hard disk position, a first mounting block is mounted on the upper portion of the left side of the interior of the box body through bolts, a water cooling device istightly attached to the inner side of the fixing plate, a water pipe is tightly attached to the outer side of the upper end of the water cooling device, and a water adding port is mounted and connected to the right surface of the water storage tank. According to the air-cooling and water-cooling hybrid heat dissipation case, the water cooling device and the air cooling device are reasonably and effectively combined, so that the heat dissipation effect is further enhanced, the shock absorption and noise reduction effects are better, and the water cooling device is simple in structure and convenient to mount and dismount.