12results about How to "Solution volume" patented technology

This utility model provides a compression and packaging device for a cushion, including a frame, a compression component, a sealing component, a clamping component, and a conveying component. The clamping component, sealing component, and conveying component are sequentially arranged within the frame along the cushion's movement direction. The clamping component clamps the plastic packaging of the cushion. The discharge end of the conveying component is connected to a cushion collection device, and the conveying component transports the compressed and packaged cushion. The compression component is located within the frame and above the conveying component, and is used to compress the cushion. This cushion compression and packaging device of this utility model incorporates a compression component that compresses the packaged cushion, making the interior of the cushion more compact. This solves the problem of bulky cushions being inconvenient to store and transport, facilitating stacking and subsequent storage and transportation.

This invention discloses a deployable device for a large secondary mirror of a space optical remote sensing camera, comprising: several flipping mechanisms and several unfolding mechanisms; wherein the flipping mechanisms are stacked sequentially, and adjacent flipping mechanisms are connected by unfolding mechanisms; each flipping mechanism includes an upper flipping plate and a lower flipping plate; the lower end face of the unfolding mechanism is connected to the upper flipping plate of the flipping mechanism below it, and the upper end face is connected to the lower flipping plate of the flipping mechanism above it; when the flipping mechanism is unfolded, the upper and lower flipping plates are arranged vertically; when retracted, the upper and lower flipping plates are arranged parallel to each other; the unfolding direction of the unfolding mechanism can rotate 90 degrees. This invention can realize the large aperture, long focal length, lightweight, and two-dimensional planar unfolding of a space optical remote sensing camera to meet the spatial resolution requirements of remote sensing satellites in the field of space remote sensing.

The application discloses a neural network-based electromagnetic field simulation grid self-adaptive generation method. The application performs grid partitioning on a semiconductor device simulation model, obtains original partitioning data, and constructs node features; a non-directed graph is constructed, the graph nodes of which adopt the node features of the grid points, and the connecting edges adopt the Euclidean distances between the grid points and adjacent grid points; the non-directed graph is input into a double-branch neural network, and a predicted node position is output; each node of the original partitioning data is corrected by using the predicted node position obtained by the double-branch neural network, and new partitioning data is formed to perform electromagnetic field simulation. The method can not only efficiently adjust the node density by fusing physical field information, but also strictly maintain the geometric boundary and topological structure characteristics of the device.

This invention provides a large-image-area, long-working-distance objective lens system for micro-projection, comprising: a first projection lens, a first lens group (1), a first aperture stop (3), a second lens group (2), a first beam splitter (4), a first protective glass (5), and a first imaging surface (6) arranged sequentially; light emitted from the first projection lens passes through the first lens group (1), the second lens group (2), the first beam splitter (4), the first protective glass (5), and the first imaging surface (6), and forms an image on the first imaging surface (6). This invention, by setting up the lens group and specifying the material and number of lenses, solves the problems of low image quality, imbalance between lens size and mass, and excessive cost caused by projection over long distances.

The utility model discloses a heat dissipation system of refrigeration and heating dual -purpose cup mat, including shell body and heat dissipation module, and heat dissipation module includes heat dissipation seat and heat dissipation fan, and heat dissipation seat includes the heat dissipation mounting panel for attaching installation semiconductor refrigeration piece, and the hot end of semiconductor refrigeration piece is attached to set up in the upper end surface of heat dissipation mounting panel, and the lower end surface of heat dissipation mounting panel is provided with heat dissipation fin group, and heat dissipation fin group includes a plurality of heat dissipation fins perpendicular to heat dissipation mounting panel, and a plurality of heat dissipation fins are arranged in parallel interval, and form the heat dissipation channel of through between the adjacent heat dissipation fin, and the characteristic is that heat dissipation fan is set up in the side of heat dissipation fin group and is sent air to heat dissipation channel. The advantage is simple structure, and the whole volume of cup mat and heat dissipation efficiency are realized at the same time.

This utility model discloses a self-locking bolt connection structure for a speed reducer, including a motor and a speed reducer. Connecting parts are integrally connected to both sides of the motor output housing, and a positioning groove is provided between the two connecting parts. Positioning plates are integrally connected to both sides of the speed reducer housing, and an anti-loosening component is provided between the positioning plates and the motor housing. Threaded through holes are provided at all four corners of the speed reducer housing. A nut sleeve is threadedly connected to one end of each threaded through hole, and an internal thread groove is provided inside the nut sleeve. A locking bolt is threadedly connected to the other end of each threaded through hole, and an external thread post is integrally connected to the end of the locking bolt. The internal thread groove and the external thread post are compatible. Unlike traditional bolt structures that rely on friction for anti-loosening, this structure effectively resists preload attenuation caused by vibration through a dual mechanism of "threaded reverse self-locking" and "mechanical locking." The threaded reverse design automatically cancels out the loosening torque during vibration.

The invention provides a pressure sensor and a packaging method thereof, and relates to the technical field of pressure sensors. A first bonding body and a second bonding body are prepared respectively, one side of the first bonding body is provided with a first electrode layer and a pressure-sensitive area, and one side of the second bonding body is provided with a second electrode layer and a first cavity. And then the first bonding body and the second bonding body are bonded through a bonding process, so that the first electrode layer is in contact with the second electrode layer, the pressure-sensitive area and the first cavity are oppositely arranged, and a sealed cavity is formed. And finally, a second cavity is prepared and formed in the side, away from the second bonding body, of the first bonding body, a bonding pad is prepared and formed on the second bonding body, the second cavity and the pressure-sensitive area are oppositely arranged, and the bonding pad is communicated with the second electrode layer. According to the technical scheme, the point-to-point connection between the SOI substrate and the silicon wafer is realized by using the first electrode layer and the second electrode layer, the electrical performance and the space utilization rate of the pressure sensor can be greatly optimized, and the miniaturization requirement of the MEMS pressure sensor is particularly met.

The application discloses a kind of anti-expansion silicon-based negative pole and preparation method thereof, from inside to outside including foil, lithium supplement layer attached to both sides of foil, silicon-based active material layer attached to the outside of lithium supplement layer, amorphous carbon layer attached to the outside of silicon-based active material layer and the graphite layer of outermost side;The foil is porous foil, and the hole of porous foil is filled by lithium supplement layer;The thickness of amorphous carbon layer is 20-100 μm, and the area density of amorphous layer is 0.2-5 times of the area density of silicon-based negative pole coating.

The utility model relates to the technical field of pipeline exhaust, and provides a low-temperature water pipeline exhaust device which comprises a mounting seat, the mounting seat is used for being arranged on a water pipe, the mounting seat is provided with a mounting cavity, the mounting cavity is communicated with the water pipe, a butt joint pipe and an air outlet pipe are arranged in the mounting cavity, and an opening and closing assembly is arranged between the butt joint pipe and the air outlet pipe. The opening and closing assembly is used for controlling communication or non-communication of the butt joint pipe and the air outlet pipe, after the butt joint pipe and the air outlet pipe are not communicated, one end of the air outlet pipe is communicated with the mounting cavity, the other end of the air outlet pipe is communicated with the outside, and a mounting cap used for sealing the mounting cavity is arranged on the mounting base in a threaded mode. The cleaning assembly is used for cleaning blocked crystals in the air outlet pipeline. The problems that in the prior art, chemical agent cleaning easily corrodes the pipeline, the subsequent wastewater treatment cost is high, manual cleaning is time-consuming and labor-consuming, and the pipeline needs to be dismounted after shutdown are solved.

A kind of composite manufacturing method of TC11 titanium alloy thin-walled cylinder, based on the idea of additive + welding composite manufacturing, according to the size and structure characteristics of workpiece, the complex shape part in thin-walled cylinder is prepared by selective laser melting, and the other part is prepared by machining of forgings.The additive + welding composite method is used to manufacture TC11 titanium alloy thin-walled cylinder, which solves the problem that the integration forming of large-size aerospace structure is limited by the volume of atmosphere cabin or vacuum chamber, realizes the optimization of processing resources, and takes into account the processing efficiency and material utilization.The addition of Cu and Mn powder promotes the composition of the solid-liquid front of the molten pool to be supercooled, thereby promoting the transformation of columnar crystal to equiaxed crystal, and equiaxed grains are obtained by additive manufacturing.The tensile strength of TC11 alloy after double annealing is 1285MPa, and the elongation is 9.5%.Laser welding method is used to realize the connection of additive manufacturing TC11 alloy and forged TC11 alloy, and the tensile strength of the welded joint is 1536.5MPa, and the fracture mode is plastic fracture.

This utility model relates to the field of battery protection technology, and in particular to a battery protection circuit structure. A battery protection circuit structure includes: a circuit board for battery protection; a fuse mounted on the circuit board using surface mount technology; a power line connected to the circuit board by soldering or plugging, forming an electrical connection between the power line and one end of the fuse; and a ring terminal connected to the circuit board, forming an electrical connection between the ring terminal and the other end of the fuse, thus forming a simplified battery protection circuit device. This solution effectively solves the technical problems of complex installation, large space occupation, and difficult equipment maintenance in existing technologies, providing a more compact, convenient, and efficient solution for battery protection devices.

The utility model relates to tattooing instrument technical field discloses a battery replaceable electric tattoo pen, including tattoo pen main part, the tail part of tattoo pen main part can detachably install battery module, the tail part of tattoo pen main part is equipped with charging interface and the recess of axial setting, the bottom of recess is equipped with charging male plug, battery module includes casing, the bottom of casing installs bottom cover, inside fixed mounting has battery, the inside of casing is equipped with circuit board below battery, installs the charging female plug of corresponding with charging male plug on circuit board, the through -hole of corresponding with charging female plug is set up on bottom cover. The utility model can whole machine charge, also can charge separately after taking down battery module, battery module simple structure, small, low in cost, and can dismantle and install in the recess of tattoo pen main part, solveed the problem that traditional tattoo pen cannot replace battery and battery module and tattoo pen main part combination together volume big and high cost.