87results about How to "Guaranteed miniaturization" patented technology

The utility model relates to a low total length 8M foresight optical lens, which is characterized in that an optical system of the lens is composed of a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens and a seventh lens which are sequentially arranged from left to right along a light incident light path. The lenses are made of plastic and glass materials, the first lens, the second lens, the fourth lens, the fifth lens and the sixth lens are glass spherical lenses, the third lens and the seventh lens are plastic aspheric lenses, and the fifth lens and the sixth lens form a balsaming lens group. By reasonably distributing the focal power and the surface type of each lens, the central thickness of each lens, the distance between the lenses on the optical axis and the like, the total length of the lens and the radial size of each lens are reduced while the requirements of a front-view wide-angle camera and a front-view narrow-angle camera are replaced by the low-total-length 8M ultra-wide-angle imaging performance of the lens; and the lens group is miniaturized.

The utility model relates to a high-brightness low-cost DMD welcome lamp lens. An optical system of the lens is composed of a first lens, a second lens, a third lens, a diaphragm, a fourth lens and a fifth lens which are sequentially arranged from left to right along a light incident light path. The lenses are made of plastic and glass materials, the first lens, the second lens, the third lens and the fourth lens are plastic aspheric lenses, and the fifth lens is a glass spherical lens. By reasonably distributing the focal power and the surface type of each lens, the central thickness of each lens, the axial distance between the lenses and the like, the imaging performance requirement of the lens is met, the total length of the lens and the radial size of each lens are reduced, and the miniaturization of the lens group is realized.

The utility model relates to a DMD welcome lamp lens with short total length, the lens is composed of a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens and a seventh lens from left to right along a light incident light path, the lenses are made of glass materials, the first lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens are glass spherical lenses, the second lens is a glass aspheric lens, wherein the third lens and the fourth lens, and the fifth lens and the sixth lens form a balsaming lens group. By reasonably distributing the focal power and the surface type of each lens, the central thickness of each lens, the axial distance between the lenses and the like, the imaging performance requirement of the lens is met, the total length of the lens and the radial size of each lens are reduced, and a 33 mm lens group is formed.

The invention relates to the technical field of molecular optoelectronic devices, and particularly discloses a tunable polarization photon source based on perovskite quantum dots and a preparation method thereof, and the method comprises the following steps: transferring a graphene-PMMA structure to the surface of a silicon wafer, and marking a pattern; manufacturing an outer lead electrode on the graphene according to the pattern; manufacturing a graphene electrode pair; and preparing chiral molecules with adjustable chirality: condensing the chiral molecules and graphene electrode amide, then adding a perovskite quantum dot precursor solution for reaction, and assembling quantum dots between the graphene electrode pairs in situ to obtain the tunable polarized photon source. According to the graphene electrode single-molecule device based on the dotted line etching method, a circularly polarized photon source is constructed, and quantum dots with high quality and controllable morphology are constructed by connecting chiral molecules to the edge of a graphene electrode and introducing chiral sites to assemble the quantum dots in situ; the molecular connection success rate is greatly improved; meanwhile, the molecular connection period is shortened.

The utility model relates to a low total length 8M foresight main camera. An optical system of the main camera is composed of a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens and a seventh lens which are sequentially arranged from left to right along a light incident light path. The lenses are made of plastic and glass materials, the first lens, the second lens, the fourth lens, the sixth lens and the seventh lens are glass spherical lenses, the third lens and the fifth lens are plastic aspheric lenses, and the sixth lens and the seventh lens form a balsaming lens group. By reasonably distributing the focal power and the surface type of each lens, the central thickness of each lens, the axial distance between the lenses and the like, the total length of the lens and the radial size of each lens are reduced while the requirements of a front-view wide-angle camera and a front-view narrow-angle camera are replaced by the low-total-length 8M ultra-wide-angle imaging performance of the lens, and the miniaturization of the lens group is realized.

The invention discloses a fast incremental learning technology based on a pulse brain-like model, and belongs to the technical field of computer vision. According to the invention, a Yolov3-tiny model is selected as a basic model of SpikingYolov3 of the spiking neural network, and the adaptability of the Yolov3-tiny model is improved; an IF neuron model is used as a neuron model of SpikingYolov3; carrying out incremental learning training on the Yolov3-tiny by adopting a method based on network expansion; the weight of the trained model is assigned to the newly constructed SpikingYolov3 through a method of converting ANN into SNN; according to the method, a test image is subjected to coding operation in a Poisson coding mode, so that the test image is converted into an asynchronous pulse sequence, the asynchronous pulse sequence is sent into a Spiking Yolov3 model to be tested and is subjected to comparative analysis with corresponding Yolov3-tiny, and a conclusion that the detection performance of the Spiking Yolov3 model is better is obtained. The SpikingYolov3 is applied to a battlefield environment, so that accurate detection of different types of targets is realized. The problem that a traditional network model needs to be retrained when encountering a new task is solved, and a new solution is provided for a detection task of a complex target.

The invention relates to the technical field of physiological signal processing, and discloses a motion sickness detection device and system and a storage medium. Based on a signal preprocessing module, a feature extraction module, a feature weighting module, a global feature capture module and a classification detection module which are sequentially connected, the device executes the following steps: performing preprocessing and data enhancement on an electroencephalogram signal to obtain a preprocessed electroencephalogram signal; a convolution module is used for sampling up and down in a time frequency dimension to obtain local time frequency characteristics of the preprocessed electroencephalogram signals; performing feature weighting on the local time-frequency features to obtain a feature weighted graph; inputting the feature weighted graph into a Transform module to capture global features to obtain the global features; according to the method, global features are used as data to be classified to be input into a full connection layer and finally pass through a Softmax layer to calculate prediction probabilities of multiple categories, so that efficient feature extraction and accurate classification of the electroencephalogram signals are realized, and motion sickness symptoms of a subject are effectively monitored and evaluated.

The utility model discloses a bidirectional blocking device, and the device comprises a first transistor die and a second transistor die which respectively comprise a first surface and a second surface, the first surface is provided with a source electrode and a grid electrode, and the second surface is provided with a drain electrode; the source electrode conductive channel is connected with the source electrode of the first transistor tube core and the source electrode of the second transistor tube core; the grid electrode conductive channel is connected with the grid electrodes of the first transistor tube core and the second transistor tube core, the first surfaces of the first transistor tube core and the second transistor tube core are oppositely arranged, and the source electrode conductive channel transversely extends between the first surfaces of the first transistor tube core and the second transistor tube core; the first transistor die is in contact with a source of the first transistor die and a source of the second transistor die. According to the bidirectional blocking device provided by the invention, the two transistor tube cores of which the first surfaces are oppositely arranged are connected in series in the direction perpendicular to the surfaces of the tube cores through the conductive channel, so that the on resistance and the size of the device can be effectively reduced.

The invention discloses an intelligent driving front-view image perception algorithm based on heterogeneous convolution, and the algorithm comprises the steps: S1, carrying out the basic feature extraction of an original image through an initial convolution layer, and enabling the original image to enter a plurality of parallel convolution units which are integrated together; s2, performing feature fusion on the output of the plurality of parallel convolution units in a weighted fusion mode; s3, stacking a plurality of parallel convolution units into a backbone network, and performing multi-scale target detection through an FPN feature pyramid; and S4, after the detection of the targets of multiple scales is finished, completing the training of the intelligent driving front-view image perception algorithm model. According to the intelligent driving front-view image perception algorithm based on heterogeneous convolution, the reasoning efficiency and the feature extraction capability of the model can be remarkably improved, and the balance problem of the lightweight target detection model between the calculation complexity and the feature extraction capability is solved.

The invention discloses a coaxial planet row driving device for a vehicle. The coaxial planet row driving device comprises a shell, a power motor, a planetary reducer gear mechanism and a planet row differential mechanism. The power motor comprises a rotor assembly, a stator assembly and a rotor shaft; the planetary reducer gear mechanism comprises a first sun gear connected with the rotor shaft, a first planet carrier and a gear ring which are arranged in the shell, and a first duplex planetary gear set arranged on the first planet carrier; the rotor shaft, the planetary reducer gear mechanism and the planet row differential mechanism are coaxially arranged, a first output part and a second output part at the two ends of the rotor shaft are connected to the driving wheel, and the first sun wheel is in meshed connection with the first duplex planetary gear set. By designing the planetary reducer gear mechanism with coaxial input and output and the planetary row differential mechanism with parallel axis design, the axial and radial sizes of the driving device are shortened to the maximum extent on the basis of ensuring the gear performance, the miniaturization and light weight of the driving device are facilitated, and the applicability is greatly improved.

The invention relates to the technical field of solid-state spin sensing, and provides a quantum microscope and a wide-field detection system.The quantum microscope is used for microscopic imaging of a diamond NV color center which is excited to generate photoluminescence and comprises a main light path, a detection area, an objective lens, a laser module, a continuous zoom lens, an optical filter and an industrial camera; the continuous zoom lens and the objective lens are combined to shoot the virtual image, the object distance continuous change measurement requirement under the integrated design requirement is met, the objective lens does not need to be replaced, the accuracy of an observation light path can be guaranteed, meanwhile, continuous zoom can be achieved, the clearness of a detection image is guaranteed, and on the basis of the virtual image imaging mode, the measurement precision is improved. The long object distance imaging requirement required by the continuous zoom lens is met, and the miniaturization design of equipment is ensured.

The invention discloses an unmanned aerial vehicle remote sensing tree species classification method and system fusing a cascade canopy attention mechanism, and the method comprises the steps: obtaining unmanned aerial vehicle RGB image data of a campus scene, carrying out the preprocessing of the data, and obtaining a standardized input image; constructing a classification model fusing the cascaded canopy attention mechanism, wherein the classification model comprises a background suppression module, a fine-grained feature guide module, a channel alignment neck module and a global-local fusion classification head; inputting the standardized input image into a classification model, and obtaining an enhanced canopy image through a background suppression module; inputting the enhanced canopy image into a module carrying fine-grained feature guidance, and extracting fine-grained canopy features; performing channel calibration and feature smoothing on the fine-grained canopy features through a channel alignment neck module to obtain feature mapping of a unified dimension; and fusing the global canopy semantics and the local texture structure in the feature mapping by using a global-local fusion classification head, and outputting a tree species classification result.

The present invention provides a visual inertial navigation tightly coupled SLAM method based on a four-eye panoramic camera, which belongs to the field of robot autonomous positioning and mapping technology, including: extracting image features of images from four independent and synchronous fisheye cameras; correcting the distortion of the fisheye cameras to obtain corrected feature points corresponding to each image feature; performing panoramic projection on the corrected feature points to obtain corresponding panoramic spherical coordinates; performing posture restoration, using a panoramic vision reprojection angle error function to optimize the restored posture; and running the system with pure vision. n After 1 frame, the fusion optimization of vision and IMU is carried out. The error function used in the fusion optimization is the joint adjustment function constructed by the panoramic vision reprojection angle error and the IMU pre-integration error. When the posture tracking is lost, a new map is established, and loop fusion or map fusion is performed according to the loop detection. The present invention can effectively improve the robustness and stability in extreme environments.

The utility model discloses a filtering device for printing ink manufacturing, and belongs to the technical field of filtering devices. The device comprises a filter box and a scraping mechanism, a driving part is arranged in the middle of the bottom of the filter box, a protective shell is arranged outside the driving part, the scraping mechanism comprises a mounting sleeve, the mounting sleeve is arranged at the output end of the driving part, two symmetrical connecting rods are arranged outside the mounting sleeve, one end of each connecting rod is provided with a third scraping strip, and the other end of each connecting rod is provided with a second scraping strip. A fourth scraping strip is arranged at the bottom end of the third scraping strip, and first scraping strips are arranged at the bottoms of the two connecting rods correspondingly. The outer wall of the protective shell and the inner wall of the filter box are synchronously scraped through the first scraping strip and the third scraping strip respectively, printing ink residues are minimized, raw material waste is reduced, the second scraping strip and the fourth scraping strip which are obliquely arranged are tightly attached to the bottom face of the filter box, dead corner residues which are difficult to treat through a traditional device are effectively removed, and the use effect is good. The problem that raw materials are consumed due to the fact that filtered ink is easily attached to the inner wall and the bottom of equipment and is difficult to scrape thoroughly is solved.

The utility model relates to a height-adjustable gantry crane detection simulation support, two sides of the gantry crane detection simulation support are symmetrically arranged stand column groups, each stand column group comprises two stand columns, the stand columns on the same side are connected through a connecting plate, and guide wheels are mounted at the bottoms of the stand columns; a cross beam is connected between the stand column sets and can be inserted into the positions, at different heights, of the stand column sets through stand column plug pins. A base plate is further connected between the stand column sets and connected with a connecting plate at the bottom in an inserted mode through a base plate plug pin. Compared with the prior art, the gantry crane detection simulation support is connected with the stand column sets in an inserted mode through the pluggable plug pins, so that the whole gantry crane detection simulation support is convenient to mount and dismount, meanwhile, the height of the cross beam can be conveniently adjusted through the plug pins, and different indoor detection requirements can be met.

The application relates to a differential current-voltage integrated sensor and a current-voltage measurement system, and belongs to the technical field of power system monitoring. The application comprises a first half-ring unit and a second half-ring unit based on a double-layer PCB. The two half-ring units are designed in an upper-lower symmetry mode to form an open-close structure. A live bus bar passes through the middle cavity of the two half-ring units, and a Rogowski coil electronic current sensor and a differential D-dot voltage sensor are integrated on the integrated sensor. Based on the integrated sensor, synchronous measurement of current and voltage can be realized, the integrated sensor is highly integrated, the space utilization is extremely optimized, and the integrated sensor has a convenient opening and closing function.

The utility model provides a front brake disc dust cover which comprises a cover body, a plurality of mounting bolts are inserted into mounting holes formed in the cover body in a penetrating mode, the rear sides of the mounting bolts are in threaded connection with a hub bearing seat, a plurality of rotating columns are rotationally arranged in the cover body, the rear side of each rotating column is provided with a rotating clamping block, and the rotating clamping blocks are connected with the hub bearing seat in a threaded mode. A plurality of butt joint notches are formed in the front side of the hub bearing seat, each rotary clamping block is installed in cooperation with the adjacent butt joint notch, a limiting ring is arranged on the rear side of the outer arc face of each rotary column, and an elastic driving unit is arranged on the rear side of the limiting ring and the rear side of the cover body. According to the dust cover for the front brake disc, rapid preliminary positioning can be carried out when the dust cover is installed, so that personnel can rapidly install the dust cover without adjustment, the installation time is greatly shortened, the working efficiency is improved, the workload of the installation personnel is reduced, and the labor intensity of the personnel is reduced. And particularly, the fatigue feeling can be obviously reduced during large-batch installation.

One aspect of the invention relates to a steel suitable for hot pressing, and more specifically, to an aluminum-coated steel sheet for hot pressing, a hot-formed component, and a method for manufacturing the same. Furthermore, another aspect of the invention relates to a forming apparatus and method for forming high-strength steel, and a battery casing support formed by the apparatus and method, and further to a battery pack module.

The invention discloses a high-voltage strontium titanate ceramic material and application thereof, and belongs to the technical field of lead-free dielectric ceramic materials. The chemical general formula of the high-voltage strontium titanate ceramic material is (SrmAnBnCqDs) (TixEyFy) O3, wherein m + 2n + q + s = 1, m, n, q, sgt; 0, x + 2y = 1, xgt; 0, 0 < y < = 0.2; the element A and the element B form an A-B heterovalent element pair, the sum of element valence states of the A-B heterovalent element pair is 4, and at least one A-B heterovalent element pair is arranged; the element C and the element D are not element pairs, the valence states of the elements are positive bivalent, and the element A, the element B, the element C and the element D are different in composition elements; the element E and the element F form an EF hetero-valent element pair, the sum of element valence states of the EF hetero-valent element pair is 8, and at least one EF hetero-valent element pair is arranged. The breakdown voltage and capacitance of the high-voltage ceramic capacitor can be improved while the miniaturization of the high-voltage ceramic capacitor is maintained.

The application discloses a kind of corrosion-resistant shielding cover, be provided with first shielding cover and second shielding cover, the first shielding cover and second shielding cover between being provided with assembly component, the first shielding cover is provided with first shielding space, the second shielding cover is provided with second shielding space, the first shielding space and the second shielding space for electrical component shielding high-voltage arc are provided with partition, both ensure the structural stability under high pressure environment, and simplify field installation process, partition is guided assembly by hollow groove and adaptive groove, precise positioning is realized, its lifting jack is convenient for operator to operate dismounting, maintenance efficiency is significantly improved, the setting of assembly flange and locking bolt enhances the adaptability with other electrical components, and the design of reinforcing plate embedding assembly side groove is targetedly strengthened local structural strength, effectively resist high-voltage arc impact.

The application discloses a transmitting integrated module of a laser radar, which comprises a chip module, a collimating mirror 1, a collimating mirror 2, an isolator 1, an isolator 2, an isolator 3, a polarization beam splitter, a reflecting / transmitting lens, a reflecting mirror, a coupling mirror 1, a coupling mirror 2, an exit tail fiber, a Faraday rotating mirror and a filter. The application provides a novel integrated laser module, which adopts free space coupling and utilizes light polarization state to realize light path coupling. Since the chip is integrated and packaged, the transmitting module of the laser radar is ensured to be small in size and reliable.

The invention discloses a high-sensitivity single-light vector atomic magnetometer based on a Herriott multi-reflection cavity, an internal reflection rectangular prism in the center of the Herriott multi-reflection cavity can bend entering light by 90 degrees and divide the light into two directions perpendicular to each other, and for light in one direction, if a magnetic field perpendicular to the light exists, the light in the other direction can be reflected by the Herriott multi-reflection cavity. Therefore, the polarization of the atoms deviates from the previous direction, and the absorption of the atoms to light changes, so that the magnetic field can be measured. And the two beams of circularly polarized light in the mutually vertical direction work simultaneously to obtain three-axis magnetic field vector information. According to the invention, the complexity of the vector atomic magnetometer is simplified, the experimental device is simpler, the required resources are fewer, and the miniaturization is maintained.

The invention relates to preparation of low-melting-point brazing filler metal for repairing aluminum alloy honeycomb damage and an application method of the low-melting-point brazing filler metal. The low-melting-point brazing filler metal is prepared from, by mass, 5%-12% of Mg, 5%-13% of Cu, 10%-40% of Zn, 1.5%-4.5% of Sn, 2.0%-6.0% of Ge, 4.5%-12.5% of Si and the balance Al. The preparation method comprises the following steps: preparing the low-melting-point repair brazing filler metal into an amorphous sheet, powder or soldering paste; the using method comprises the steps that damaged parts are cleaned, repaired parts are manufactured, and the low-melting-point repairing brazing filler metal is used for conducting brazing repairing. According to the method, the melting reduction effect of Mg, Cu, Zn, Sn, Ge and Si elements is facilitated, the low-melting-point brazing filler metal capable of being used for repairing the aluminum alloy honeycomb is prepared, and compared with a traditional glue pouring repairing method, the method guarantees the strength and the light weight of the repaired honeycomb at the same time.

The invention discloses a light-emitting element, and the element comprises an LED chip which is provided with a first surface, a second surface opposite to the first surface, and a side wall connected with the first surface and the second surface. The wavelength conversion layer is at least arranged on the first surface of the LED chip; the electrode expansion structure is arranged on the second surface of the LED chip; the packaging layer at least surrounds the LED chip, the wavelength conversion layer and the electrode expansion structure; and at least one functional structure module selected from the group consisting of the following structure modules. The method can flexibly adapt to different application scenes.

The utility model discloses a fire distributor, a burner and a gas stove. The fire distributor comprises a fire distributor body, a fire distribution groove structure and an injection structure, the fire distribution groove structure comprises an inner ring fire distribution groove, a middle ring fire distribution groove and an outer ring fire distribution groove, the middle ring fire distribution groove is annularly formed in the outer side of the inner ring fire distribution groove, the outer ring fire distribution groove is annularly formed in the outer side of the middle ring fire distribution groove, and the injection structure comprises an inner ring injection pipe, a middle ring injection pipe and an outer ring injection pipe. The outer ring injection pipe is communicated with the outer ring fire distribution groove, the middle ring injection pipe is communicated with the middle ring fire distribution groove, the inner ring injection pipe is communicated with the inner ring fire distribution groove, and a first protrusion protruding outwards is arranged on the outer side wall of the middle ring fire distribution groove, so that a first injection cavity communicated with the middle ring injection pipe is formed in the inner side of the first protrusion; and / or a second protrusion part protruding outwards is arranged on the outer side wall of the inner ring fire distribution groove, so that a second injection cavity communicating with the inner ring injection pipe is formed in the inner side of the second protrusion part.

The invention discloses a civil unmanned aircraft position detection device, and belongs to the technical field of unmanned aircraft position detection equipment.The civil unmanned aircraft position detection device comprises antennas arranged at the upper end of a shell, a satellite positioning signal antenna is in signal connection with a GPS Beidou satellite, a 5G frequency band antenna is connected with an operator 5G-A base station, and the 5G frequency band antenna is connected with an operator 5G-A base station. The 5G frequency band antenna is connected with a 5G frequency band signal receiving module arranged in the shell, other antennas are connected with respective signal receiving and analyzing modules arranged in the shell, an output end of each signal receiving and analyzing module is connected with an input signal bus of the operation module, a control signal bus is connected with the internal management module, and the internal management module is connected with the 5G frequency band antenna. The interaction signal bus of the operation module is connected with the 5G communication assembly and the wired network card of the communication module. According to the invention, real-time tracking and detection of the position of the civil unmanned aerial vehicle in a detection range are realized, guarantee is provided for supervision compliance and safety of the unmanned aerial vehicle, interference of the unmanned aerial vehicle on civil aircraft flight is reduced, and civil aircraft flight safety is ensured.

The invention provides a portable multi-stream high-pressure heat exchanger pipeline welding seam detection device. The portable multi-stream high-pressure heat exchanger pipeline welding seam detection device comprises a support assembly, a detection assembly, a driving assembly and an air supply system. The driving assembly is installed at the front end of the support assembly and is responsible for driving the detection rotating shaft to rotate. The detection assembly is composed of a main column body and an auxiliary column body, and an ultrasonic probe is arranged at the front end of the main column body and used for welding seam detection. The ultrasonic probe is embedded into the filling body, is connected into a detection data line through a probe line, and extends downwards to the outside of the equipment. The gas spring is arranged in the rear side of the filling body, provided with an inflation inlet and connected to an external gas source through an inflation pipe. The gas source device supplies gas into the detection rotating shaft to ensure that the ultrasonic probe is in close contact with the inner wall of the pipeline, so that the detection precision is improved. Through precise combination of a pneumatic structure and a mechanical structure, the device not only realizes miniaturization design and is convenient to operate in a narrow space, but also can meet high-frequency welding seam detection requirements, and is suitable for periodic detection and evaluation of high-voltage equipment.

This invention discloses a highly sensitive detection device and method for immersion-type ultrasonic signal detection in liquids. The invention provides a circular diaphragm with concentric corrugations and a center-thinned structure, and uses this diaphragm as a reflective surface of an optical interference cavity to construct a highly sensitive detection device for immersion-type ultrasonic signal detection in liquids. The diaphragm, used to sense ultrasonic signals, has identical concentric corrugations and a center-thinned structure on both sides, enabling the diaphragm to achieve higher mechanical sensitivity without significantly reducing its natural frequency. The concentric corrugations effectively release initial residual stress introduced during processing and packaging, reducing surface warping and baseline drift. Simultaneously, a replaceable acoustic membrane is constructed in front of the diaphragm, achieving high sound transmission and anti-contamination under long-term immersion in liquid conditions. This detection device can be directly placed in the liquid for detection, improving the sensitivity of ultrasonic signal detection while maintaining a wide frequency range, preventing contamination of the detection element, and ensuring the long-term stability of the detection device.

The utility model relates to the field of vehicle-mounted photovoltaic system, and specifically is a kind of photovoltaic assembly guard plate assembly, including rear guard plate assembly, side guard plate assembly and front guard plate assembly;The both ends of side guard plate assembly are respectively overlapped on rear guard plate assembly and front guard plate assembly;The guard plate assembly includes two side guard plate assemblies, and two side guard plate assemblies are oppositely spaced distribution;Rear guard plate assembly and front guard plate assembly are connected by side guard plate assembly;The horizontal projection of guard plate assembly is in the shape of a Chinese character for "returning", the guard plate assembly disclosed in the utility model is mainly at the four around of photovoltaic assembly, not only can play external protection function, avoid photovoltaic assembly internal component exposure, can also play good aesthetic effect;The utility model is designed by rear guard plate assembly, two side guard plate assemblies and front guard plate assembly, so that guard plate assembly is in the shape of a Chinese character for "returning" structure, this Chinese character for "returning" layout can significantly improve the torsional stiffness of guard plate assembly whole while keeping the light weight of guard plate assembly.

A heat pipe and heat conduction substrate welding device for aerospace electronic equipment comprises a pressing plate and a supporting plate which are arranged on the upper surface and the lower surface of a heat conduction substrate in a pressing mode respectively. A pressing strip is arranged on the upper surface of the pressing plate and right above each welding surface, and a space for pressing the heat pipe is reserved between the pressing plate and each welding surface; and a supporting unit is arranged between the supporting plate and each welding surface. By means of reasonable arrangement of component structures, poor welding quality and stability caused by the fact that local areas of the heat pipes are not in complete contact with welding faces in the welding process are avoided, effective welding of the heat pipes and the heat conduction substrate in the high-temperature environment is achieved, and meanwhile compactness and light weight of the welding device are guaranteed. The whole device is easy to implement, efficiency is greatly improved, labor, time and cost are saved, welding quality and stability of the heat pipe are improved, and heat dissipation reliability of aerospace electronic equipment is guaranteed.