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263results about How to "Not easy to vibrate" patented technology

Compensation control circuit and method for direct current converter

The invention discloses a compensation control circuit and method for a direct current converter. The compensation control circuit comprises an output voltage feedback circuit, an inductance current sampling circuit, a ramp signal generating circuit, a first control unit, a second control unit and a switch signal generating circuit, wherein the output voltage feedback circuit is used for outputting an output voltage feedback signal; the inductance current sampling circuit is used for sampling inductance current in a main circuit and outputting a sampling current signal; the ramp signal generating circuit is used for generating a ramp signal; the first control unit is used for receiving an output voltage feedback signal, a signal acquired by adding the sampling current signal with the ramp signal, and a standard voltage signal, and comparing to output a first control signal; the second control unit is used for outputting a second control signal for controlling the direct current converter to work in a variable-frequency or constant-frequency mode; and switch signal generating circuit is used for receiving a first control signal and a second control signal to output a switch control signal of a switch tube in the output main circuit. Due to the adoption of the compensation control circuit provided by the invention, the system can be kept in the stable state, and the stable allowance and response speed are increased.
Owner:SILERGY SEMICON TECH (HANGZHOU) CO LTD

Method for manufacturing MEMS (Micro Electro Mechanical System) and MEMS inertial sensor

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.
Owner:ZHEJIANG JUEXIN MICROELECTRONICS CO LTD

Track detector

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.
Owner:BEIJING ENTERPRISES HLDG MAGLEV TECH DEV +1

Variable-rigidity flexible mechanical arm module and control method thereof

The invention relates to a variable-rigidity flexible mechanical arm module and a control method thereof. The variable-rigidity flexible mechanical arm module comprises two connecting plates (1) arranged on two sides, and a plurality of silica gel inflatable bags (2) are connected between the two connecting plates (1), wherein the plurality of silica gel inflatable bags (2) comprise variable stiffness silica gel inflatable bags which are used for generating an antagonistic effect and are arranged in the middle of the two connecting plates (1), and further comprise curved silica gel inflatablebags which are uniformly distributed around the two connecting plates (1) and are used for controlling the deformation shape; and each silica gel inflatable bag (2) is connected with an air pipe, theconnecting plates (1) are provided with pipeline passing holes (4) for allowing the air pipes to pass through, and the connecting plates (1) are further provided with connecting structures which can be in butt joint with a connecting plate of other flexible mechanical arm module so that the plurality of flexible mechanical arm modules can be connected in series. The variable-rigidity flexible mechanical arm module is simple in structure, convenient to assemble and flexible in movement; and the control method of the flexible mechanical arm module is efficient in work and the control precision is high.
Owner:FUZHOU UNIV

Turbine blade arrangement

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.
Owner:SIEMENS AG

AC chopper and chopping method thereof

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.
Owner:北京博旺天成科技发展有限公司

Molding method for food with round shape

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.
Owner:CHENGDU SOONTRUE MECHANICAL EQUIP CO LTD

Double cavity type piezoelectric micropump

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.
Owner:SHENZHEN HEYI PRECISION PUMP TECH CO LTD

Outer rotor motor

The invention relates to an outer rotor motor, comprising an outer rotor, a rotating shaft, a stator iron core, a first bearing, a second bearing and an end cover. The inner hole of the stator iron core is provided with a first bushing in a pressing manner; the first bearing and the second bearing have the same specification and are both arranged in the first bushing. The first bearing is arranged at the end of the first bushing close to one end of the outer rotor, and the second bearing and the first bearing are separated by a second bushing. A third bushing is clamped between one end of therotary shaft close to one end of the inner cavity of the end cover and the second bearing by a gasket. The end of the rotary shaft close to one end of the outer rotor is provided a guiding part convenient to press and mount by the rotating shaft. The first bearing and the second bearing n are mounted in the same part so as to ensure the concentricity of two mounted bearings; during the operation of the motor, the two bearings are not easy to vibrate, the outer rotor is not easy to move up and down, thus, the motor of the outer rotor has low noise and less bounce.
Owner:常州威灵电机制造有限公司

Numerical control spherical roller grinding machine

The invention provides a numerical control spherical roller grinding machine with high grinding precision in a workpiece grinding process. The numerical control spherical roller grinding machine comprises a machine body and a motor, and is characterized in that the motor is supported on a motor seat, the motor seat is arranged outside the machine body, and the output end of the motor is connected with the input end of a dynamic pressure grinding wheel spindle.
Owner:WUXI MACHINETOOL

Manipulator and wafer processing process

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.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD

Vehicle rear combined lamp

A vehicle rear combined lamp can enhance visibility of a rear combination lamp from the rear side of a vehicle and the side of the vehicle. The vehicle provided with this rear combination lamp using LEDs (131) as light sources is provided with a light guide body (101) projecting to the rear side of the vehicle from the front part of a lamp housing (111) for guiding the light of the LEDs (131) to the rear side of the vehicle. The LEDs (131) are respectively arranged in the front part of the light guide body (101), and a peripheral edge (101a) as a light emission surface oriented to the rear side of the vehicle and the side of the vehicle is formed in the rear part of the light guide body (101).
Owner:HONDA MOTOR CO LTD

Body structure of a motor vehicle, motor vehicle and method of manufacturing a body structure

A body structure (4) of a motor vehicle is provided that includes, but is not limited to a floor panel (38), that has an inner side (38.1) directed toward the motor vehicle interior and an outer side (38.2) directed toward the motor vehicle exterior, and also includes, but is not limited to a seat mounting (14) for securing a motor vehicle seat. To reduce driving noise and air resistance, it is provided that on the outer side thereof, the floor panel is free from corrugations or stiffening structures running predominantly in the transverse direction (y) of the motor vehicle. A motor vehicle is also provided having a corresponding body structure and a method is provided for the manufacture thereof.
Owner:GM GLOBAL TECH OPERATIONS LLC

Fiber discharging device suitable for automatic optical fiber winding machine

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.
Owner:BEIHANG UNIV

Horizontal vibration linear motor

ActiveCN103618428AIncreased resistance to the above failuresAvoid defects that damage scrapDynamo-electric machinesVibration amplitudeQuality level
The invention provides a horizontal vibration linear motor which comprises a motor shell, a cover plate and a vibration assembly. The cover plate is installed on the motor shell in a covering mode, an installation space is formed by the cover plate and the motor shell, the vibration assembly is hung in the installation space through location of elastic supporting pieces located on the two opposite lateral walls of the motor shell respectively and comprises a vibration block and a permanent magnet installed on the vibration block, the permanent magnet can drive the vibration assembly to perform reciprocated vibration in the direction basically parallel to the bottom face of the motor shell under the effect of the magnetic field force and enables the two elastic supporting pieces located on the opposite lateral walls to be correspondingly stretched and retracted in the vibration process, and a limiting device for limiting the reciprocated vibration amplitude of the vibration block is further installed in the installation space. According to the horizontal vibration linear motor, the capacity for overcoming faults such as short circuits can be improved, and the whole quality level of machines with the motor is easily improved.
Owner:金龙机电(淮北)有限公司

Speed control method for numerical control system in consideration of small line segment and connection point speed

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.
Owner:NANJING UNIV OF TECH +3

Low-pressure difference voltage stabilizer and flash memory

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.
Owner:YANGTZE MEMORY TECH CO LTD

Full-automatic numerical control glasses frame processing machine

The invention discloses a full-automatic numerical control glasses frame processing machine. The full-automatic numerical control glasses frame processing machine comprises a rack. The rack is provided with a transverse guide rail. The guide rail is provided with a glasses inner frame processing fixing clamp and a glasses outer contour processing fixing clamp which are slidably matched with the guide rail. Numerical control processing knives are arranged in the positions above the guide rail and close to the two ends of the guide rail correspondingly. The full-automatic numerical control glasses frame processing machine further comprises a feeding mechanism capable of moving longitudinally. The glasses inner frame processing fixing clamp can move upwards to the discharging end of the feeding mechanism to clamp a to-be-processed material, slide to the positions below the numerical control processing knives corresponding to the guide rail along the guide rail to conduct glasses inner frame processing and move downwards to place the to-be-processed material subjected to glasses inner frame processing to the glasses outer contour processing fixing clamp, and the glasses outer contour processing fixing clamp slides to the positions below the numerical control processing knives corresponding to the guide rail along the guide rail to conduct glasses outer contour processing. According to the provided full-automatic numerical control glasses frame processing machine, the two processes can be conducted at the same time so that the equipment working efficiency can be improved.
Owner:叶朝波

Special concrete slab pouring device for construction of civil engineering and construction method thereof

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.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD

Dynamic prewhirl and axial push type hydrocyclone

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.
Owner:DALIAN UNIV OF TECH

Hook height limit detection device and dynamic compactor

The invention relates to a hook height limit detection device and a dynamic compactor. The hook height limit detection device comprises a rope pressing mechanism and a position detection mechanism. The rope pressing mechanism comprises a pressing part and a part to be detected, wherein the pressing part is used for pressing a lifting steel wire rope wound on a lifting winch; and the part to be detected is connected with the pressing part and is changed with the variation of the position of the pressing part in the radial direction of the lifting winch. The position detection mechanism comprises a detection switch for detecting whether the part to be detected approaches or is contacted. According to the invention, the height variation of the lifting steel wire rope is indirectly shown by measuring the thickness variation on the lifting winch, and thus, when engineering equipment operates, the engineering equipment is interfered a little, the sending of an error signal is reduced and eliminated, and the influence of an error command on the operation of the engineering equipment is avoided to the greatest extent; and moreover, the hook height limit detection device can be arranged on a rotary table on which the lifting winch is arranged and is stable when operating and the problem that the steel wire rope of the existing counter weight height limit switch, on which a counter weight is hung, is possibly broken is also avoided.
Owner:XCMG CONSTR MACHINERY

Portable adsorption type natural gas recovery device and method

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.
Owner:CHANGZHOU UNIV +2

Special conveying device for electromechanical manufacturing

The invention discloses a special conveying device for electromechanical manufacturing. The special conveying device is reasonable and simple in structure, the production cost is low, the installationis convenient, and the functions are complete. The electromechanical equipment is fixed above a fixing base, second handles are rotated, clamp blocks clamp the electromechanical equipment, universalwheels are transported, and the height of the fixed seat is adjusted by hydraulic cylinders; a first handle is rotated, a pressing seat is descended, the lower end of the pressing seat is connected with a pressing plate through springs, the pressing plate presses a concave character base tightly, and the concave character base presses the electromechanical equipment tightly; and the springs and rebound springs are arranged, so that the electromechanical equipment is enabled not easy to vibrate in a transportation process, so that the electromechanical equipment is protected, the damping function is achieved, protection is carried out when the electromechanical equipment is transported, the electromechanical equipment is enabled not easy to be damaged, and the economic loss effect is reduced.
Owner:NANTONG PRATT MACHINERY

Computer hardware transporting device

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.
Owner:黄思珍

Quick clamping system

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.
Owner:SHANGHAI DINGXIN ELECTROMECHANICAL EQUIP

IoT-based anti-interference electronic communication 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.
Owner:CHONGQING COLLEGE OF ELECTRONICS ENG

Charging member, process cartridge, and electrophotographic apparatus

Provided is a charging member which does not easily oscillate even in cases where a high-frequency alternating current voltage is applied thereto and which is capable of stably charging a photosensitive body. The charging member comprises an electrically conductive base, an electrically conductive elastic layer, and a surface layer. The elastic layer comprises, from the base side, a first rubber layer and a second rubber layer that is arranged on the first rubber layer. When the natural frequency of the first rubber layer is represented by f1 and the natural frequency of the second rubber layer is represented by f2, the natural frequency ratio (f2 / f1) is from 2.35 to 10.0 (inclusive).
Owner:CANON KK

Telegraph pole with high safety

The invention discloses a telegraph pole with high safety, and relates to the technical field of electrical equipment. The telegraph pole comprises a fixing bottom plate. The top end of the fixing bottom plate is fixedly connected with a fixing bottom rod. The top end of the fixing bottom rod is fixedly connected with an insulating rod. The top end of the insulating rod is fixedly connected with afixing top rod. The outer walls of the fixing bottom rod, the insulating rod and the fixing top rod are fixedly connected with a climbing ladder. The top end of the fixing top rod is fixedly connected with an installing bottom frame. The top of the installing bottom frame is fixedly connected with an antistatic frame. The top end of the antistatic frame is fixedly connected with an installing topframe. The two sides of the bottom of the installing top frame are fixedly connected with tensioning force buffering devices. According to the telegraph pole with the high safety, the effects that the purposes that cables are put in order and tensioning force is reduced in order to protect life safety of electricians are achieved, so that the cables erected on the telegraph pole are more stable and firmer and vibrate not easily, solar energy collecting is achieved, the purpose that resources are used to the maximum extent is achieved, and the telegraph pole can save more energy and is environment-friendly are achieved.
Owner:佛山杰致信息科技有限公司
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