47results about How to "Strong shock and vibration resistance" patented technology

The invention discloses a large capacity battery pack structure; a battery component is arranged between a first battery clamping plate and a second battery clamping plate, composite electrode pieces are arranged between the first battery clamping plate and battery component positive and negative end surfaces and the second battery clamping plate and the battery component positive and negative end surfaces, first conductive layers of the composite electrode pieces connect battery monomers of the battery component in series and in parallel, second conductive layers of the composite electrode pieces are fixedly connected with the first battery clamping plate and the second battery clamping plate; an assembly method includes the following steps: respectively arranging the composite electrode pieces in the first battery clamping plate and the second battery clamping plate; arranging the battery component; fixedly connecting the first battery clamping plate and the second battery clamping plate; and connecting the composite electrode pieces and positive and negative electrodes of each battery monomer by welding. In the way, the large capacity battery pack structure can bear large current discharge, has the advantages of simple structure, good stability, and strong anti shock and anti vibration ability, no additional work fixture is needed for fixing the composite electrode pieces, the operation is simple, and the assembly cost is low.

The invention discloses a rack-and-pinion type transmission mechanism of an automatic changeover switch device. The transmission mechanism comprises a first gear, a second gear and a rack, wherein the two ends of the rack are provided with dentiform sections, and the middle of the rack is a flat and straight section; the first gear is rotatablely arranged on one end of a base body of the automatic changeover switch, and the second gear is rotatablely arranged on the other end of the base body; and the rack is simultaneously meshed with the fist gear and the second gear, the rack is connected with a driving mechanism which is used for pushing the rack to carry out reciprocating motion, the first gear is linked with a first moving contact of the automatic changeover switch device, and the second gear is linked with a second moving contact of the automatic changeover switch device. The rack-and-pinion type transmission mechanism of the invention has the advantages of simplicity, strong anti-shock / vibration capacity, small impact force and little bounce when the contacts are separated and connected, and great improvement on the operating reliability.

The invention relates to a programmable polarization hyperspectral imager based on image surface splicing. The imager comprises a preset lens, a field stop, a collimator lens, an acousto-optic tunable filter, an imaging lens, an O-light imaging system, an E-light imaging system, a detector and a detector control processing system, wherein the preset lens, the field stop, the collimator lens, the acousto-optic tunable filter and the imaging lens are sequentially arranged on the same optical path; an O-light optical path is provided with the O-light imaging system arranged behind the imaging lens, and an E-light optical path is provided with the E-light imaging system; and the O-light imaging system and the E-light imaging system are spliced and then sequentially connected with the detectorand the detector control processing system. The invention provides the programmable polarization hyperspectral imager based on image surface splicing which can compensate image drift and has the multi-band composite imaging capacity.

The invention relates to an imager capable of integrating full color and polarization hyperspectral detectability, comprising a front lens, a field diaphragm, a collimating lens, an acousto-optic tunable filter and a turning lens which are successively arranged on the same light path; after light is turned by the turning lens, a polarization hyperspectral imagining system is arranged on the lightpath of level-one diffraction light; and light is turned by the turning lens, the light path of level-zero diffraction light is provided with a full-color light imaging system. The invention providesa programmable polarization hyperspectral and full-color combined imager which splices an O-light image with an E-light image on the photosensitive surface of the same detector by an optical splicingdevice, causes the system structure to be compact by light path turning, carries out image drift compensation by an optical wedge compensating device and an image registration algorithm, realizes multi-frequency acousto-optic tunable filter (AOFT) driving based on any waveform generator scheme and can simultaneously obtain full-color image information and narrow-band cross polarization image information.

The invention relates to a measuring device adopting a solid-state vibration angular rate sensor group to realize north-seeking underground while drilling, comprising a solid-state vibration angular rate sensor group for conducting vertical shaft measurement, a solid-state vibration angular rate sensor group for conducting horizontal shaft measurement as well as an accelerometer group. The measuring device is characterized in that accelerometers and solid-state vibration angular rate sensors in the solid-state vibration angular rate sensor group and the accelerometer group are arranged correspondingly; the minimum acceleration sensitive direction of each solid-state vibration angular rate sensor and the sensitive direction of each accelerometer in the horizontal direction misplace by a same angle in sequence in the range of 360 degrees, sensitive shafts of the solid-state vibration angular rate sensors are mutually horizontal, each solid-state vibration angular rate sensor can generate an angular velocity along the sensitive shaft, and each accelerometer detects and outputs an acceleration along the sensitive direction; and a controller completes the selection of a certain drilling direction, and conducts digital weight integration and calculation to a measurement signal. The device meets the high measurement precision while reducing the cost.

The invention provides a quick thermal response composite phase change heat reservoir and a preparation method thereof, and can solve the problems of long thermal response time and low heat dissipating efficiency of a phase change heat reservoir prepared by single phase change paraffin. The quick thermal response composite phase change heat reservoir is realized through the following methods: forward and reverse continuous U-shaped heat dissipating groove cavities serially connected in a linear array sequence are formed in an inner cavity of a heat storage container; the forward U-shaped heat dissipating cavity serves as a paraffin cavity filled with phase change paraffin (4); the reverse U-shaped heat dissipating cavity serves as an alloy cavity filled with a phase change alloy (5); the high-heat-conductivity phase change alloy and the high-enthalpy-value phase change paraffin are sealed as a whole through sealing of upper and lower sealing cover plates (2); and a phase change paraffin and phase change alloy filling port of the heat reservoir is further welded through laser to realize preparation of the quick thermal response composite phase change heat reservoir. The high-efficiency heat transfer of the phase change heat reservoir is realized by the combined effect of the high-heat-conductivity phase change alloy with the heat conducting coefficient of being not less than 15 W / (m. K) and the high-heat-conductivity aluminum alloy of the phase change heat reservoir.

The invention provides a laser-gathering cavity for a solid laser, belongs to the technical field of solid lasers, and relates to improvement on a laser-gathering cavity of an existing high-power lamp pumped solid laser. The laser-gathering cavity comprises a quartz rod (1), and a pumping lamp installation hole and a laser rod installation hole are formed in the inner portion of the quartz rod (1). The laser-gathering cavity is characterized in that a laser-gathering reflection coating is plated on the outer surface, except two end faces, of the quartz rod (1), and the laser-gathering reflection coating is divided into three layers which contain a diffuse reflection coating body (2), a silicon dioxide film (3) and a metallic reflection film (4) from inside to outside. According to the laser-gathering cavity for the solid laser, the reflection coating is high in reflectivity and small in thickness, so that the size of the laser-gathering cavity is reduced greatly; the diffuse reflection coating body is strong in high-temperature resistance and even in reflection; the laser-gathering cavity is simple in structure, convenient to process and strong in impact vibration resistance.