314results about How to "Strong vibration resistance" patented technology

The invention relates to a power cell module connecting structure method. A power cell module is composed of a plurality of single cell groups, the adjacent power cell modules are connected through a connecting structure, the connecting structure comprises a PCB (printed circuit board), and the PCB plate is provided with more than one connector; the connector comprises a metal shell the two ends of which are communicated, the shell is internally provided with a spring piece, and a support ring is arranged between the spring piece and the inner wall of the shell and is used for fixing the spring piece and the shell; the PCB plate is provided with through holes, the shell of the connector is electrically connected with the PCB plate, and connecting holes are formed in the connector; and the contact pins of each single cell in a power cell module on the two sides of the PCB are inserted into the connecting holes of the corresponding connector, the contact pins are kept to be electrically connected with a spring piece in the connector, and the monomer cells in the adjacent power cell modules are electrically connected through the connector. According to the invention, the connector is used for replacing a bolted connection, the contact pins and the connector are elastically connected, and the structure can not generate a loose phenomenon because of vibration.

A light-emitting diode (LED) bulb comprises a light-permeable bulb shell, an LED luminous source, a stem, a driver and an electric connector, wherein the stem is provided with a support pillar, a horn tube, an exhaust tube and electric lead wires; the bulb shell and the stem are sealed in a vacuum mode, and low-viscosity high-thermal-conductivity gas is filled in the bulb shell; the LED luminous source is composed of at least one transparent LED light-emitting column; the LED light-emitting column comprises a high-thermal-conductivity transparent tube inserted in the outer surface of the support pillar; at least one string of LED chips and a luminescent powder layer are arranged on the surface of the transparent tube; the chips are in series connection or in series-parallel connection, electric lead wires of chip electrodes are connected with the electric lead wires of the stem, a stem electrical connection wire is connected with the output end of the driver, the input end of the driver is connected with the electric connector, and the electric connector is communicated with an external alternating current (AC) or direct current (DC) power supply. The LED bulb has the advantages that thermal resistance between the LED chips and the heat dissipation gas is low, heat dissipation effect is good, an LED bulb with higher luminous flux and higher luminous efficiency can be manufactured, the light-emitting component is firmly fixed, can withstand strong shock, and is high in reliability, and the LED bulb is simple in manufacturing process and low in cost.

The invention relates to a GPRS-based protection device of small-current grounding line selection and a protection method thereof. The protection method adopts zero-sequence compensation admittance line selection method. One device realizes the protection of the small-current grounding line selection under NUS and NES connection mode in a compatible way, thereby broadening the scope of application. Simultaneously, the protection device provides a switch output signal to the outside, and the GPRS wireless network is used for wireless communication. In the method, the judgment conditions for failure judgment under the condition of the NUS connection mode are increased; the errors are greatly reduced; the line selection accuracy is further improved; the misjudgment rate of the device is reduced and is lower than 1 percent under the ideal conditions; the misjudgment rate in the site test can be maintained within 5 percent; the device has the advantages of high reliability and long transmission distance; and the utilization of the GPRS module can reduce the construction cost, accelerate the access to the network and provide reliable communication.

The invention discloses a static Fourier transform interference imaging spectrum full-polarization detector, which comprises a fronting optical telescope system, a static all-optical modulation module, a static Fourier transform interference imaging spectrometer, an imaging lens group, an area-array detector which are arranged in sequence along the light transmission direction, wherein the area-array detector is connected with a signal acquiring and processing system; light emitted by a target source is collimated by the fronting optical system, and then is modulated by the static all-optical modulation module; after the modulated transmission light passes through the static Fourier transform interference imaging spectrometer, emergent light is changed into two beams of coherent light; the two beams of light pass through the imaging lens group and then are convergent on the area-array detector for imaging and interference; and a signal received by the area-array detector is sent to the signal acquiring and processing system for processing. The static Fourier transform interference imaging spectrum full-polarization detector has the characteristics of simple and compact structure, no moving parts, high luminous flux, and acquisition of target two-dimensional spacial images, one-dimensional spectral information and complete polarization information at one time.

The invention discloses a magnetic flux-switching generator, which comprises a stator, a rotor, a magnet exciting coil and an armature coil, wherein the number of the poles of the rotor is equal to the number of the slots of the stator; the two circle edges of the armature coil are positioned in two adjacent slots of two adjacent stator gears; winding coils are connected end to end in series in turn to form single-phase centralized armature windings; and the magnet exciting coil is vertical to the armature coil. In the invention, the single-phase centralized armature windings and a permanent magnet or/and single-phase centralized magnet exciting windings are adopted in the stator part, the rotor has straight or slant slots and the number of the poles of the rotor is equal to that of the slots of the stator; and thus, the generator retains the structural advantages of compactness, simplicity, high robustness and suitability for high-speed rotation of the conventional magnetic flux-switching generator and can be directly used as a single-phase alternating current power supply due to the same phase of the electrodynamic potentials generated by the coils, and the cost of the generator is low.

The invention provides an SMA-wire-actuated (shape memory alloy wire-actuated) ultrahigh-load unlocking device. A split nut and a large bolt are used herein as connectors. A volute spring is used as afastener, and an SMA wire is used as a separation actuating element. The large bolt is connected with a separation structure. The split nut is enclosed by the volute spring to lock the large bolt. The inner end of the volute spring is fixed to the split nut, and the outer end of the volute spring is connected to a frame. The frame in locked state is limited by a restraint system composed of a presser and a clamp pin. To achieve separation, the SMA wire is electrified and heated to experience phase change and contraction, the presser is driven to move, the clamp pin is freed from limiting, theframe with no restraint rotates with the volute spring under resetting power of the volute spring, after the volute spring loosens, and the split nut expands under the action of its sheet structure to release the large bolt. The SMA-wire-actuated ultrahigh-load unlocking device has high drive ratio, high release load, high reliability, good vibration resistance, and high impact performance.

The present invention relates to a box-type substation. A Housing of a vibration isolation type box-type substation comprises a housing body, a housing top covered on the housing body and four support pillars; the housing body is made of metal materials, a plurality of wood lathes arranged at regular intervals are disposed at the outer surface of the housing body; each support pillar includes an upper segment and a lower segment which has an upper end sleeved at the lower end of the lower segment, the lower end of the lower segment is equipped with a mounting base, and a damper spring configured to support the upper segment is arranged within the lower segment; and connecting rings are installed at the upper ends of the upper segment of the support pillars and are provided with inner rings, the inner rings are connected with the connecting rings through rubber rings, and connecting pins connected with the lower end of the housing body pass through the inner rings. According to the invention, the housing of the vibration isolation type box-type substation is not liable to generate corrosion, and has good harmony with surroundings and strong capacity of resisting the disturbance of pavement vibration, therefore the problems in the prior art as follows are solved: the housing of the vibration isolation type box-type substation is liable to be damaged so as to generate corrosion, the harmony with surroundings is poor, and the capacity of resisting the disturbance of pavement vibration is low.

A uniform light spot surface scanning device of a laser cleaning machine comprises a laser output module (10), a gauss-flat top system, a gradually-changing rotating polygonal mirror (50), a drive motor (60) and a collimation focusing lens (70). The gauss-flat top system redistributes the energy of a gaussian laser beam emitted by the laser output module (10) and compresses the diameter of the laser beam at the same time, so that a laser beam with uniform energy is formed; the laser beam irradiates the gradually-changing rotating polygonal mirror (50); the gradually-changing rotating polygonal mirror (50) is driven by the drive motor (60) to rotate so as to make the laser beam form a space angle scanning beam; the space angle scanning beam is refracted by the collimation focusing lens (70) and then forms surface light spots on an object (80) to be cleaned.

The invention discloses a double hot standby server system which includes an external network and a case, wherein the external network is two cascaded switches and an integration of two mainboards, a interconnection backplane, two network cards, a dual redundancy power supply, a redundancy fan and Redundant Array of Inexpensive Disks (RAIDS) is arranged in the case. The interconnection backplane comprises a CPCI (Conference Proceedings Citation Index) bus, a CPCI interface, a CPLD (Complex Programmable Logic Device) controller (namely Central Processing Unit) and a CPLD controller interface. The two mainboards are connected with the CPLD controller through the CPCI bus. The RAIDS are connected with the CPLD controller and the two network cards are connected with the CPLD controller. Every network card is connected with the two cascaded switches. The dual hot standby server system has the advantages of having a compact structure, a small volume and a high reliability.

The present invention relates to a beacon light (100) for aviation obstacle warning comprising an elongated body portion formed into a hollow tube (19), a plurality of light emitting diodes (LEDs) (10) mounted on the outer surface of the hollow tube (19) and electrically connected together to form a substantially cylindrical array of LEDs (10), characterized in that a plurality of grooves (21) are formed axially on the outer surface of the hollow tube for arranging the array of LEDs (10) in a substantially cylindrical and orderly manner, and the hollow tube and the LEDs (10) being encapsulated with sealing composition (11), wherein at least a part of the lens body of the LEDs (10) protrudes out from the surface of the encapsulation to allow the direct emission of light. The LEDs (10) are affixed along an elongate conductor set within the grooves (21) and the surface of the body portion. The beacon light (100) which is very compact, light weight for use high up on communications towers and in an around airports, etc. The clear portion of the LED lens to project the light directly outwards 360 degrees horizontally and with a vertical beam width of 15-35 degrees. This eliminates the need for a dome or covers over the LEDs that cut down effective light output. This construction further improves heat conduction and cooling from direct convection of air. It is particularly good for keeping out moisture from causing deterioration of the electrical and electronic circuits in the light (100) in hot and humid tropical climates and for long term operation of the light (100).

The invention relates to a passive static triangle common path interference imaging spectral full-polarization detecting device, which comprises a fronting optical telescopic system. The rear part of the fronting optical telescopic system is provided with a static all-optical modulating module; the rear part of the static all-optical modulating module is provided with a Sagnac static interference imaging spectrometer; the rear part of the Sagnac static interference imaging spectrometer is provided with an imaging mirror group; the rear part of the imaging mirror group is provided with a detector which is connected with a signal acquiring and processing system; after light which is emitted by a target source is collimated and then subjected to phase modulation, the modulated transmission light is changed into two beams of parallel polarized light; the two beams of light are converged on the detector after passing through the imaging mirror to form the image and generate interference; and then a signal received by the detector is sent to the signal acquiring and processing system to be processed. The device has the characteristics of simple and compact structure, no moving parts, large light quantity and capability of acquiring target two-dimensional space images, one-dimensional spectral information and complete polarization information once.

The invention relates to a device for detecting full polarization of a passive and static coaxial interference imaging spectrum. The device comprises a pre-optical telescopic system, a static all-optical modulation module, a Savart plate-based static interference imaging spectrometer, an imaging lens set and a detector which are coaxially arranged, wherein the rear side of the detector is connected with a signal acquiring and processing system; light emitted by a target source is aligned by the pre-optical telescopic system, then is modulated by the static all-optical modulation module 2 and is changed into two beams of polarized light after passing through the Savart plate-based static interference imaging spectrometer; and the two beams of light are converged on the detector 5, are imaged, generate interference and finally are sent into the signal acquiring and processing system 6 after passing through the imaging set. The device is characterized by simple and compact structure, no moving parts, large luminous flux, and capability of acquiring target two-dimensional space images, one-dimensional spectrum information and complete polarization information once.

The invention provides a micro-solid modal gyro in the micro electromechanical system technical field, comprising a piezoelectric control electrode, a piezoelectric sensing electrode, a piezoelectric driving electrode, a concentrated mass block, a linear vibration reinforced structure and an elastic base. The elastic base is provided with linear vibration reinforced structure; the linear vibration reinforced structure and the elastic base are fixedly connected with each other; the upper surface of the elastic base is provided with a trough which is internally provided with the concentrated mass block; the concentrated mass block is fixedly connected with the elastic base; the upper surface of the linear vibration reinforced structure is provided with the piezoelectric sensing electrode, the piezoelectric driving electrode and the piezoelectric control electrode. The micro-solid modal gyro works by the special vibration mode of the elastic base, increases the selectable freedom of the fabrication material of the micro gyro, leads the elastic base to be made of material with larger elasticity, and increases the micro-processability of the base material, thus being beneficial to improve the structure and shape of the micro gyro and improving the working performance of the gyro.

The invention discloses an all-purpose electronic experimental box for electronic circuit experiment, which comprises the following parts: box body, experimental board, instrumental box, tool box and element bin, wherein the box body consists of upper and lower box bodies with the element bin placed in the lower box body and the instrumental box and tool box placed in the upper box body; the experimental board is placed on the lower box body, which separates the instrumental box, tool box and element bin; the experimental box integrates, sorts and contains kinds of experiment meters, tools and experimental board organically, which utilizes the space of experimental box completely. The invention uses all-purpose experimental board technique, which possesses low experimental cost, high experimental efficiency and long lifetime with strong extending ability.

The equipment information inspecting system of automobile style relates to one PC/104 bus type data gathering equipment, one harsh electrical conditioning card, one domination/alarm and one location communication module. The data gathering equipment relates to stack type PC and the data gathering module, storage module, CAN bus module, display equipment, input equipment and electrical source connecting with the stack type PC. The stack type PC owns inspecting software and software of secondary planet location communication system to gather, dispose and inspect signal of the up-installing equipment on the modification vehicle and all kinds of state parameters of it. Manages the vehicle location communication, maintaining and using management, wireless network transmission, audio and video frequency display. The harsh electrical conditioning card, is used to adjust signal in many forms sent by the up-installing equipment on the modification vehicle to figure signal and input the figure signal to the data gathering module. The domination/ alarm connects with data gathering module to output the controlling signal and alarm signal. The location communication module connects with the stack type PC to inspect the real location information about the vehicle by secondary planet.

The invention relates to a dual-way passing detector of opposite-mounted sphere bed high temperature gas-cooled reactor fuel sphere, comprising an exciting unit, a sensing unit and a signal conditioning unit, wherein, the sensing unit comprises an exciting coil and two detection coils; the exciting coil and the detection coils are symmetrically arranged on two sides of a sphere conveying steel tube; signal power of sinusoidal voltage is amplified by the exciting unit and transmitted to the exciting coil of the sensing unit; the two detection coils of the signal conditioning unit and the sensing unit are connected, two ways of voltage signal of the detection coils are calculated and processed, and sine-wave voltage signal indicating sphere passing and passing direction is outputted; non-contact detection is adopted for detecting radioactive fuel sphere. The invention has the advantages of high signal-to-noise ratio of output signal, strong interference resistance, high resolution for continuous passing and passing of more than half a sphere as well as simple structure, convenient installation without damage to sphere conveying steel tube in construction.

The invention discloses a flexible quanta point polymer white light electroluminescence component and preparation method, the invention regards blue light ZnS quanta point red light PPV compound as main lightening material, the ITO surface of PET underlay uses circumrotating coating and vacuum evaporating method to produce film with definite thickness, the components as flowing are obtained: ITO/ZnS:PPV(y nm)/Alq3(z nm)/Al(x nm). The component does not need lightening layer which is used to produce three base colors, and fussy photoetching, the craft is easy, the flexibility and repetition are well; when it is combined with microelectronics corrosion color filter film technique which is more mature, the full color display can be obtained.

The present invention relates to a gas pendulum inertial sensor, which is used in control technology field to detect pose measurement of motional body, such as ship craft and robot, wherein the inertial sensor main includes a gas pendulum angular velocity sensing element, a gas pendulum tilt sensing element and a signal process circuit, wherein the signal process circuit mainly comprises a bridge circuit, a amplify circuit, a filter circuit, and a SCM compensation circuit with a null position and sensitivity compensation program, a linearity and output compensation program, an acceleration interference offset subprogram, and an omnibearing tilt signal compensation program, whereby the SCM compensation circuit integral into a circuit board to replace a conventional hardware signal amplify circuit, a filter circuit and a compensation circuit. The gas pendulum inertial sensor is adapted to accurately measure not only an object's indication without interference from the acceleration, but also an object's indication with interference from the acceleration. The gas pendulum inertial sensor has some significant advantages like highly attack-resist ability, intensively vibrate-resist ability, quick response time, wide ranges of working temperature, well linearity, credibility, sensitivity and precision ability, compact capacity and lower cost.