44results about How to "Good structural compatibility" patented technology

The invention relates to an in-situ high-frequency fatigue material mechanical test platform under a scanning electron microscope based on a stretching / compressing mode and belongs to the field of machinery and electronics. The test platform comprises a precise loading unit, a precise motion conversion unit, a load / displacement signal acquisition and control unit, a high-frequency driving unit and a test piece clamping and connecting unit. The test platform provided by the invention has the advantages that the structure is compact, the test precision is high, the strain rate and the test frequency are controllable, an in-situ high-frequency test based on the stretching / compressing mode can be performed on a three-dimensional test piece aiming at centimeter-scale or above in characteristicdimension under the condition of observation of various imaging instruments, the on-line monitoring can be carried out on the microcosmic deformation, damage and breaking process of a material under a fatigue stress, and a novel test method for revealing microcosmic deformation behaviors and a damage system of the material is provided.

The invention relates to a hydraulic-driving mode based in-situ tensile / compression testing platform under a scanning electron microscope, and belongs to the field of electromechanics. The hydraulic-driving mode based in-situ tensile / compression testing platform under the scanning electron microscope comprises a hydraulic driving unit consisting of a hydraulic cylinder, an oil tank, an oil filter, a motor, a hydraulic pump, an overflow valve, a throttle valve and an electro-hydraulic servo valve, a load / displacement signal detection and control unit consisting of a displacement sensor and a pull and pressure sensor, and a clamping and supporting unit consisting of light bars, fixture body supporting racks, base linear bearings, pressure plates, a force sensor supporting rack and a specimen. The hydraulic-driving mode based in-situ tensile / compression testing platform under the scanning electron microscope has the advantages of small volume, compact structure, large output load, continuously variable transmission loading, and good structural compatibility with a microscopic imaging system with an open space structure, such as an optical microscope, a Raman spectrometer and an X-ray diffractometer and the like, and also can used for deep study on the micro-mechanical behavior and the deformation and damage mechanism of the specimen with a centimeter-level characteristic size under the action of tensile / compression loads by combination with the instruments.

The invention relates to a material mechanical performance testing platform for a small-sized test sample under a stretching bending composite loading mode and belongs to the field of material mechanical performance test. The material mechanical performance testing platform consists of four parts, namely a driving module, a stretching module, a bending module and a control detection module and can be used for carrying out uniaxial stretching test on the test sample or material mechanical performance test on the test sample under the stretching bending composite loading mode. The motion between the stretching module and the bending module is connected through an electromagnetic clutch; and during test, the loading time sequence of the bending module relative to the stretching module is controlled by controlling the power on / off of the electromagnetic clutch and further pull combined loads with different ratios are acquired indirectly. The material mechanical performance testing platform disclosed by the invention is novel in concept and compact in integral structure. For researching the mechanical performance of the test sample under the action of a random composite load for stretch bending, the invention provides an effective research means and strong practicability is obtained.

The invention discloses an ultra-thin external rotor harmonic deceleration integrated machine comprising a motor and a harmonic reducer. The motor comprises a machine shell, a rear end cover, a rotorand a stator; the machine shell is of a multi-stage hollow barrel-shaped structure, the outer circumference of the rear end cover is fixed to a tail opening of the machine shell in a sealed manner, the shaft center of the rear end cover extends towards the interior of the machine shell to be provided with a hollow stator shaft, the rotor comprises a rotor shaft rotationally arranged in the machineshell and magnetic steel arranged on the outer circumference of the rotor shaft, and the stator is mounted on the outer circumference of the hollow stator shaft; and the harmonic reducer comprises awave generator connected to the first end of the rotor shaft in the axial direction, a flexible wheel, a rigid wheel and a crossed roller bearing, the outer circumference of the flexible wheel is fixed to the front end wall of the machine shell, the flexible wheel is arranged on the outer circumference of the wave generator, the rigid wheel is arranged on the outer circumference of the flexible wheel in a sleeving manner, and the crossed roller bearing is located between the rigid wheel and the machine shell in the axial direction. According to the ultra-thin external rotor harmonic deceleration integrated machine, the outer rotor structure is used on the basis of a frameless motor, the external rotor is directly connected with the reducer, and the advantages of being flat in structure, simple in installation, stable in output, high in structural compatibility and the like are achieved.

The invention relates to the field of engine oil monitoring, and in particular relates to an on-line monitoring and diagnosis method for a coaxial capacitive sensor and engine oil abrasive particles.The coaxial capacitive sensor comprises a sensor oil inlet and a sensor oil outlet. The sensor oil inlet and the sensor oil outlet are communicated with the inside coaxial capacitive sensor respectively. A central bearing, electrode supporting insulating substrates and electrode plates are arranged in the coaxial capacitive sensor. A number of electrode supporting insulating substrates and the central bearing divide the inside coaxial capacitive sensor into a number of detecting subspaces. The electrode plates are attached to the electrode supporting insulating substrates respectively. According to the invention, the coaxial capacitive sensor can be arranged inside an oil pipeline, which avoids the influence of environmental factors on the test result; the characteristics of oil abrasive particles can be efficiently detected on-line; online whole watershed monitoring and diagnosis of oil abrasive particles are realized; the severity of the wear condition of the friction pair surface ofthe rotating part of an engine is reflected; and safe and reliable operation of the engine is ensured.

The present invention relates to the field of medicine preparation, in the concrete, it relates to a show-released fibre preparation of water-soluble anti-cancer medicine for body implantation and its preparation method. It is characterized by that the fibre carrier is oil-soluble biological degradable material. and the medicine is water-soluble anticancer medicine, its medicine content is up to 15-50%.

The invention discloses an anti-reflux structure of a blood sampling needle. The anti-reflux structure is applicable for a hose type blood sampling needle and a straight type blood sampling needle, and comprises a blocking piece and a spring piece, which are arranged inside the inner cavity of a needle file, wherein the blocking piece can reciprocate inside the inner cavity of the needle file in the axial direction and is provided with a corresponding shape or end plug; the spring piece acts on the blocking piece to enable a blood channel of the inner cavity of the needle file to be switched between the closing and opening states. The anti-reflux structure can effectively avoid a sampled blood reflux phenomenon, effectively guards the safety of a human body, and meanwhile is simple in structure, reliable in operation, compatible with the existing blood sampling needle structure, low in change during the production procedure, simple in device structure, small in device number, low in modification cost, and higher in economic feasibility for production of billions of blood sampling needle products.

The invention discloses a multi-strategy rotating speed controllable servo motor. The servo motor comprises a casing, a high-speed shaft, and first and second rotors; the casing of a multi-stage hollow barrel-shaped structure is provided with a ring of first magnetic steel and a ring of second magnetic steel separately and successively in the inner peripheral wall; the high-speed shaft penetratesthe center of a motor shaft, a hollow tube for wiring is formed in the high-speed shaft, the front end of the high-speed shaft is led out of a opening of the casing, the leading-out end is connected with a harmonic decelerator, and the tail end of the high-speed shaft is led out of a tail opening of the casing; and the first and second rotors are arranged in the body of the high-speed shaft separately and successively and are both rotationally arranged in the casing, the first magnetic steel is distributed in the periphery of the first rotor, and the second magnetic steel is distributed in theperiphery of the second rotor. The rotating speed is controlled in high precision in a manner that excitation control is carried out on the double rotors respectively, and the servo motor also has advantages including flat structure, stable output and high structure compatibility.

The invention, which relates to the technical field of display devices, specifically discloses a light guiding structure, a lateral entrance type backlight module, and a display device. The light guiding structure comprises a light guiding layer and a reflective layer that are integrally bonded; a light condensation structure for collecting emitted light is arranged at a light emitting surface ofthe light guiding layer; a reflective layer is disposed on the back surface of the light guiding layer; and scattering particles are arranged on the light reflective surface of the reflective layer and are used for scattering light entering the light reflective surface. The light guiding layer and the reflective layer are made of PET. With the light guiding structure, the light energy loss can bereduced effectively and the utilization of light energy can be improved. The integrated design of the reflection, light guiding and brightening is realized; a reflection sheet, a light guide plate, aprism sheet, and a diffusion sheet in the conventional lateral entrance type backlight module can be replaced; the longitudinal structure of the backlight module can be simplified; the cost of the photovoltaic module can be lowered; and the light energy utilization and reliability can be improved. Since the light guiding layer and the reflective layer are made of PET, the light guiding structure enables the cost to be lowered by being compared with the traditional light guiding plate. Because of the flexible material, the structural compatibility is improved and the project development is promoted.

The invention discloses a parallel type all-in-line machine for robot joints. The machine comprises a connecting base which is of a hollow structure, a servo motor and a speed reducer; the servo motoris fixed to a first end of the connecting base, a motor shaft of the servo motor extends into the connecting base, and a first synchronous pulley is arranged at an extension end of the motor shaft; the speed reducer is fixed to a second end of the connecting base, a high speed shaft of the speed reducer extends into the connecting base, and a second synchronous pulley is arranged at an extensionend of the high speed shaft; the first synchronous pulley and the second synchronous pulley are linked through a first synchronous belt. A servo motor main shaft and a harmonic speed reducer rotatingmain shaft are arranged in parallel, the coverall length of the whole mechanism in the axial direction is greatly reduced, the machine is applicable to the joins of a service robot, and the technicalproblem that the length of the servo speed reduction all-in-one machine in the axial direction cannot be further reduced is solved.

The invention belongs to manipulators and specifically provides a quickly disassembled and assembled four-axis manipulator. The quickly disassembled and assembled four-axis manipulator comprises a shoulder joint servo motor I and a fixed base. The fixed base is connected with the shoulder joint servo motor I through screws. The shoulder joint servo motor I is connected with a harmonic reducer through screws. The quickly disassembled and assembled four-axis manipulator integrates shoulder joints with two degrees of freedom, an elbow joint with one degree of freedom and a wrist joint with one degree of freedom in a modular mode. One shoulder joint is composed of a customized harmonic reducer, a brake servo motor, a servo driver and the like. Under the condition of meeting the high performance and high precision, the intelligent joints are faster and more convenient to dismantle, and the other shoulder joint is directly driven by the corresponding servo motor. The quickly disassembled andassembled four-axis manipulator can be fast and convenient to disassemble and assemble on the basis of realizing four-axis linkage control of a mechanical arm and is particularly suitable for the robot teaching industry. The quickly disassembled and assembled four-axis manipulator as a robot in the teaching industry has the characteristics of being simple in installation, stable in output, high in structure compatibility and the like.

The invention provides an in-situ torque testing device for micro-nano scale materials and an observing device. The in-situ torque testing device for micro-nano scale materials comprises a clamping unit, a loading unit and a signal detecting unit, wherein the clamping unit is used for clamping and fixing a tested sample (14) and comprises two chucks; the loading unit is used for driving the tested sample (14) to reverse, comprises a micro motor (1) for outputting torque and is connected with one end of the clamping unit; the signal detecting unit is used for detecting the magnitude of the torque applied to the tested sample (14) and is connected with the other end of the clamping unit. The in-situ torque testing device for micro-nano scale materials is small in size and simple in structure. The in-situ torque testing device for micro-nano scale materials also can be used together with a microscopic imaging instrument (such as a scanning electron microscope (SEM), an optical microscope (OM), and the like), so as to form the microstructure observing device.

The invention relates to the technical field of machinery, and in particular relates to a movable artificial eyeball. The artificial eyeball is characterized by comprising a hemispherical body, an artificial pupil which is arranged at the apex of the hemispherical body, a locating connecting part and two push-pull connecting parts which are used for conducting pushing and pulling, wherein the push-pull connecting parts are arranged on the plane of the hemispherical body or on a same cross section, which is parallel to the plane, of the hemispherical body or on an additional surface, which is parallel to the plane, of the hemispherical body; the locating connecting part is arranged at the circle center of a plane thereof so as to movably fix the hemispherical body; one of the push-pull connecting parts is arranged on the perpendicular diameter of a plane thereof, and the other push-pull connecting part is arranged on the horizontal diameter of a plane thereof; and the two push-pull connecting parts are arranged outside the circle center. In comparison with the prior art, the artificial eyeball provided by the invention can achieve a natural and smooth conversion capacity of any viewing angles of 70 degrees within a reasonable limit viewing angle range just through two-point push-pull control, so that the simulation reduction degree and fidelity of the artificial eyeball are improved.

The invention discloses an active tilting device which comprises a first adjustable connecting rod, a second adjustable connecting rod, a first torsion arm, a second torsion arm, a first torsion bar, a second torsion bar, a first flange, a second flange, a third flange, a speed reducer, a motor and an outer sleeve support. The input end of the speed reducer is connected with the motor through the third flange, the outer sleeve support is connected to the shell of the speed reducer, and the motor is arranged in the outer sleeve support. The first flange is connected to the output end of the speed reducer, one end of the first torsion bar is in interference fit with the first flange, and the other end is in interference fit with the first torsion arm; the first adjustable connecting rod is in spherical hinge connection with the first torsion arm; the second flange is fixedly connected with the outer sleeve support, one end of the second torsion bar is in interference fit with the second flange, and the other end is in interference fit with the second torsion arm; and the second adjustable connecting rod is in spherical hinge connection with the second torsion arm.

According to the blade battery pack structure, a blade battery pack is an electric pile formed by stacking a plurality of battery cell monomer groups, and each battery cell monomer group is formed by stacking a plurality of blade battery cell monomers; a tab is arranged on each blade battery cell monomer; tabs of the blade battery cell monomers in each battery cell monomer group are pressed on the same PCB fixing plate through pressing strips; the pressing strip and the PCB fixing plate are locked through a screw joint assembly. And the PCB fixing plates between the adjacent battery cell monomer groups are connected through isolation columns. According to the invention, tabs of the blade battery cell monomers are fixed by adopting the screw joint assemblies along the thickness direction of the battery cell, the plurality of blade battery cell monomers are stacked to form the battery cell monomer group, and then a stack structure formed by stacking the plurality of battery cell monomer groups is adopted; and the convenient assembly requirement of thin battery cells or multi-layer tabs (more than two layers), which cannot be met by a screw joint locking mode along the extending direction of the tabs on the blade battery cell monomers in a traditional connection mode, is effectively solved.

The invention relates to a self-adaptive ultrasonic motor based on temperature tracking. In the prior art, when the ultrasonic motor works in a wide temperature range from -55 DEG C to 85 DEG C, the amplitude frequency curve of a stator translates to right or left, thus the output torque and the rotation speed of the motor are obviously reduced. The self-adaptive ultrasonic motor provided by the invention comprises the ultrasonic motor with a temperature sensing structure and a motor driving controller with a motor leading out mechanism and temperature measurement and control units. A motor closed-loop control sensing system which is composed of a temperature sensor and a photoelectric encoder, a resolver or a potentiometer is added in the motor structure. Self-adaptive adjustment of the motor frequency is carried out through the driving controller, so that the motor always works at the best frequency point, and stable rotation speed and torque output are realized. According to the invention, many characteristics of the existing ultrasonic motor are retained; the work environment adaptability is greatly enhanced; and the motor can normally work in the temperature range from -55 DEG C to 85 DEG C.

The invention provides a direct-connection-type intelligent joint. The joint comprises a base and a transition flange on the top end of the base. The transition flange is provided with a harmonic speed reducer, one end of the harmonic speed reducer is provided with an output flange, and the base is further provided with a servo motor. A wave generator is connected to the servo motor and located inthe output flange. The direct-connection-type intelligent joint is simple and compact in structure and reasonable in design and is composed of the customized harmonic speed reducer, the servo motor with a brake, a servo driver and the like. The harmonic speed reducer is provided with a specially-customized speed reducer cam, so that the intelligent joint not only has high performance and high precision but also is more convenient and quick to disassemble and assemble. The direct-connection-type intelligent joint is used as a first joint of an industrial robot and has the advantages of being compact in structure, easy to install, stable in output, high in structure compatibility and the like.

The invention provides an in-situ composite loading and measuring device for micro-nano samples. In a spatial rectangular coordinate system which takes X, Y and Z as coordinate axes, the device includes a left loading adjustment module and a right loading adjustment module in order in the positive direction of the X coordinate axis; the left loading adjustment module contains a left rotating piezoelectric ceramic motor (3), a left vertical linear piezoelectric ceramic motor (4) and a left horizontal linear piezoelectric ceramic motor (5) which are connected in order in the positive direction of the X coordinate axis; and the right loading adjustment module contains a right connecting block (12) and a right advancing linear piezoelectric ceramic motor (13) which are connected in order in adirection of the Z coordinate axis. The device is small in size, compact in structure and high in test precision, and can perform cross-scale in-situ tensile bending torsion tests on test pieces, of various materials, having characteristic sizes of nanoscale or above.

The invention relates to an in-situ high-frequency fatigue material mechanical test platform under a scanning electron microscope based on a stretching / compressing mode and belongs to the field of machinery and electronics. The test platform comprises a precise loading unit, a precise motion conversion unit, a load / displacement signal acquisition and control unit, a high-frequency driving unit and a test piece clamping and connecting unit. The test platform provided by the invention has the advantages that the structure is compact, the test precision is high, the strain rate and the test frequency are controllable, an in-situ high-frequency test based on the stretching / compressing mode can be performed on a three-dimensional test piece aiming at centimeter-scale or above in characteristicdimension under the condition of observation of various imaging instruments, the on-line monitoring can be carried out on the microcosmic deformation, damage and breaking process of a material under a fatigue stress, and a novel test method for revealing microcosmic deformation behaviors and a damage system of the material is provided.

The invention discloses a folding heat exchanger and an integral fresh air conditioner thereof. The integral fresh air conditioner comprises the folding heat exchanger, an upper cover box, a lower cover box, a sealing plate A and a sealing plate B of the folding heat exchanger, a box body of the air conditioner, an indoor unit and an outdoor unit of the air conditioner and the like, and a corrugated heat exchange core body formed by continuously pressing thin plates and panels around the corrugated heat exchange core body form the flat folding heat exchanger. Air openings are formed in the two ends, a front panel and a rear panel of the folding heat exchanger, the upper cover box and the lower cover box cover the air openings in the top and the bottom of the folding heat exchanger correspondingly and are vertically arranged in the box body, the sealing plate A and the sealing plate B seal gaps between the upper cover box and the box body and between the lower cover box and the box body, air holes communicating with the outside of the box body are formed in the proper positions, close to the box body, of the upper cover box and the lower cover box, and the indoor unit arranged in a front chamber of the box body and the outdoor unit arranged in a rear chamber of the box body are connected into a whole through a connecting pipe. The folding heat exchanger is small in size, light in weight, high in heat exchange efficiency, high in cost performance, safe, reliable and convenient to install and maintain.

The invention provides a transversely-inserting type light emitting diode (LED) lamp. The lamp comprises a lamp holder, a power board, a plastic cover plate, a lamp cover, a bolt, an aluminum substrate, a radiator, a plastic base, a plastic middle ring and a back cover, wherein the plastic base comprises an inner wall and an outer wall, a clamping groove is arranged on the inner wall, a thread clamping bump is arranged on the inner edge of the outer wall, and a thread is arranged at the top of the outer wall; the plastic middle ring is provided with a base installation handle, a radiating port and an inner bottom edge, and a clamping hole and a groove are arranged on the inner bottom edge; the base installation handle is provided with a clamping buckle and the edge of the base installation handle is provided with a rib; and the lamp cover is provided with a clamping bump, and the back cover is provided with a central radiating hole, an array radiating hole, a radiating groove, a convex pile and a clamping hook. According to the lamp, a plug-in type electrical connection mode, a wire-connection type electrical connection mode and a spring electricity-touching type electrical connection mode are provided. An LED light source is used, the light is uniform and soft, the service life of the lamp is 30,000 hours, the compatibility of the lamp holder is good, and traditional lamps which are required to emit light in a side direction in application occasions, such as transverse-screw lamps or transversely-inserting tube lamp can be replaced directly.

The invention relates to an in-situ micro-nano indentation / scratch test platform and a test method, and belongs to the field of electromechanical integrated precision scientific instruments. An X axis precision scratch unit and a Y axis large-stroke stick-slip drive scratch assembly are assembled at the tail of a base, a Z axis macro-movement adjusting mechanism is assembled at the middle of the base, a motor driving unit is assembled at the head of the base, a precision pressing driving and displacement signal detecting unit is installed on the Z axis macro-movement adjusting mechanism, and a precision three-axis force sensor used for detecting an indentation pressing force and a normal force and a tangential force of a scratch is installed on the X axis precision scratch unit. The in-situ micro-nano indentation / scratch test platform has the advantages of compact structure, miniaturization, integration, and capability of better ensuring the assembly precision, effectively improving the overall rigidity and dynamic properties and improving the overall test precision while overcoming the defect that an existing test platform cannot be used for quantitatively detecting the normal force and the tangential force in a scratch process.

The invention relates to a signal lightning protection device. The signal lightning protection device comprises an interface. The interface is provided with a remote signaling input end and a remote signaling output end. The device further comprises a sensing coil and an alarm circuit. One end of the sensing coil is connected with the remote signaling input end, and the other end of the sensing coil is connected with one end of the alarm circuit. The other end of the alarm circuit is connected with the remote signaling output end. The alarm circuit comprises a first circuit and a second circuit connected in parallel with the first circuit. At a normal working state, the first circuit is switched on and the second circuit is switched off. At a degradation state, the first circuit is switched off and the second circuit is at a high-impedance state. According to the invention, through arrangement of the alarm circuit, a remote signaling degradation real-time alarm function is realized, the wiring is simple, power supply by use of a power source is unnecessary, the safety and the reliability are improved, the volume is small, and the structural compatibility is good.

The invention discloses an automobile tire burst test device. The test device comprises a parameter detection sensor, a wire, an arc-shaped integrated conversion connector, an air inlet pipe with quick connectors at two ends, an air collection cavity, a slip ring, a slip ring support, a slip ring stator, a rotary connector, an air pipe with a quick connector and an air release valve. According tothe device, a driver can directly operate and control opening and closing of the valve, gas in a tire is rapidly released under the action of air pressure difference, so that the tire burst phenomenonof the automobile tire is simulated, and required parameters are obtained through the parameter detection sensor. The tire burst test device is suitable for tire burst tests of different vehicle types at different speeds and under different road conditions; during a real vehicle dynamic test, the test device can be used for simulating tire burst working conditions at different deflation times ina vehicle driving process, and data such as vehicle lateral acceleration, yaw velocity, vehicle body roll angle and the like during the tire burst are obtained by utilizing the sensor, so that the reason of yawing or instability of the vehicle during tire burst is conveniently analyzed, and the active safety control of the vehicle is favorably improved.

The invention discloses a display screen which comprises a piece of display glass, a flexible flat cable connected with the display glass and integrally provided with a video decoding drive circuit, and an output plug at the tail part of the flexible flat cable. According to the scheme provided by the invention, the video decoding drive circuit is integrated on the flexible flat cable. Compared with a circuit board of a traditional display screen, the flexible flat cable is much smaller in size and thickness, so that the display screen has better structural compatibility; and besides, as for the manufacturing process, the flexible flat cable has less discrete components and is in integral compression joint with a display glass, and debugging is avoided, so that the display screen has lower manufacturing cost. Therefore, the display screen has the advantages of better structural mounting performance, favorable anti-interference performance, low construction cost, and the like.

The invention discloses a storage unit based on a 7T1C structure, an operation method of the storage unit and a memory. The storage unit comprises a 6T structure and a 1T1C structure, and the 6T structure is used for inputting and storing data 1 or 0; and the 1T1C structure is connected with the first storage node of the 6T structure and is used for storing the data 1 or 0 when the 6T structure ispowered off and recovering the data 1 or 0 to the 6T structure when the 6T structure is powered on. By means of the 1T1C structure, under the condition that a read-write circuit of an SRAM in the prior art is not changed, good structural compatibility is kept through simple circuit design, leakage current is prevented, meanwhile, increase of the area size of a storage unit is avoided, the operation speed is higher, and static power consumption is lower.

The invention provides a structure and a method for improving MIMO system antenna isolation. The structure comprises an isolation unit and two etching grooves, wherein the isolation unit is arranged on a metal antenna bottom plate and located between two antennas, and the distance between the two antennas is larger than half of the working wavelength of the antennas; the two etching grooves are located in the two sides of the isolation unit; and the isolation unit is of a double-arm inverted-L-shaped structure composed of two L-shaped arms. The structure and the method can be applied to improvement of the isolation degree of the existing indoor and outdoor small base station omnidirectional antenna, have the replicability and are simple and rapid in design, the isolation is obviously improved, and compared with neutral line decoupling and resonator decoupling, additional matching design does not need to be carried out on an input port, the design flexibility is higher, and compared with metamaterial decoupling, the design is simpler, the cost is lower, and the structural compatibility is higher.