54results about How to "Reduce section size" patented technology

The present invention discloses an integrated low-profile tile-type digital array antenna, which includes: a plurality of fully functional digital active sub-array antennas, a frame, an air duct and a fan. The plurality of digital active sub-array antennas are arranged in a tile-like manner and embedded in the frame. The air duct is installed on the rear side of the frame and is opposite to the position of the digital active antenna, and the fan is connected to the air duct. The plurality of digital active sub-array antennas of the digital array antenna of the present invention are arranged and integrated in an array. By adding or reducing digital active sub-array antennas, the expansion of array antennas of different scales and forms is achieved; the digital array antenna adopts a linear forward installation and an external rearward air duct for heat dissipation, which is convenient for the maintenance and repair of the array antenna; a composite sealing ring is used inside the digital active sub-array antenna and between the digital active sub-array antenna and the frame to achieve water sealing and electromagnetic shielding. The array antenna system of the present invention has the advantages of high integration, small profile size, good platform adaptability, good extensibility, simple structural system, and convenient installation and maintenance.

The utility model relates to the field of buildings, in particular to a support system in a foundation pit, which is characterized in that crown beams are arranged around the inner ring of the foundation pit, upright posts are arranged in the foundation pit along the vertical direction, two groups of crown beams which are oppositely arranged are fixedly connected through a support frame, and a joist is horizontally fixed on the upright posts and is fixedly connected with the support frame through a fastener. Therefore, the support frame is supported from bottom to top. According to the utility model, the supporting structure in the foundation pit can be quickly mounted, and the supporting structure can be recycled, so that the construction cost of a project is greatly reduced.

The antenna comprises a main controller, an azimuth turntable and a phased-array antenna body, the phased-array antenna body is formed by regularly arranging and combining a plurality of sub-arrays, a pitching sub-turntable is correspondingly arranged below each sub-array, the pitching sub-turntables are arranged on the plane of the azimuth turntable, and the azimuth turntable is arranged on the plane of the azimuth turntable. And the pitch angle of each sub-array is controlled by the pitch sub-turntable below the sub-array. According to the invention, the pitching sub-turntable and the azimuth turntable cooperate with each other to complete two-dimensional scanning, and cooperate with the phased array surface to realize communication in motion; the sub-arrays can be spliced into a whole array, multi-sub-array partition scanning can also be carried out, scanning coverage of the whole airspace can be achieved only by controlling the orientation of the pitching sub-rotary table and the orientation rotary table without a phase shifter, the profile height and power consumption are reduced, and the cost is lower.

The utility model discloses a building outer side curtain wall overhanging steel skeleton structure which comprises steel rib stand columns, steel rib transverse rods, load-bearing supporting brackets and supporting steel V frames, the steel rib stand columns and the steel rib transverse rods are connected in a crisscross mode and assembled into a grid structure, and the grid structure is connected with a main body structure through the load-bearing supporting brackets and the supporting steel V frames. One ends of the bearing supporting brackets are fixed to the steel rib transverse rod, the other ends of the bearing supporting brackets are connected with embedded anchors in a main body structure, the supporting steel V-shaped frame is arranged between the two layers of bearing supporting brackets, two supporting arms of the supporting steel V-shaped frame are located on the same horizontal plane, and the converging ends of the two supporting arms are fixed to the steel rib transverse rod. And the divergent ends of the two are connected with an embedded anchor in the main body structure. The cantilever steel framework structure is simple in structure and ingenious in design, wall-attached installation of the steel framework structure is achieved through organic combination of the load-bearing supporting bracket and the supporting steel V-shaped frame, stress of the cantilever steel framework structure on a main body structure is more reasonable, and the cantilever steel framework structure can be widely used in building curtain wall design.

The present invention discloses a low-profile dual-polarized antenna and an electronic device. The low-profile dual-polarized antenna comprises a first and a second metal layer arranged relatively to each other and an insulating dielectric layer arranged between the first and the second metal layers; the first metal layer comprises a coupling unit and a plurality of parasitic plates arranged around the coupling unit, and there is no contact between the plurality of parasitic plates, and there is no contact between the parasitic plates and the coupling unit; a connecting structure and a feeding unit are also arranged in the insulating dielectric layer, and the second metal layer is electrically connected to the parasitic plates and their corresponding connecting structures to form an open ring-shaped resonance unit; the coupling unit can resonate with the resonance unit; and the feeding unit is used to feed the coupling unit. The low-profile dual-polarized antenna provided by the present invention enables the dual-polarized antenna to obtain a larger bandwidth on the basis of a low profile, innovatively uses the floor of the patch antenna as part of the radiator, lengthens the current path, and further reduces the cross-sectional size of the antenna, which is conducive to the miniaturization of electronic equipment.

The utility model relates to a double-layer reticulated shell steel structure hyperbolic cooling tower, which is characterized in that a tower body is a hyperbolic paraboloid formed by rotating around a central shaft by taking an inclined straight line as a bus, the tower body comprises double-layer inclined struts, double-layer ring beams and reinforcing ring trusses, and the tower body forms an X-shaped unit of a corresponding layer through cross connection between the double-layer inclined struts from bottom to top; the axes of the double-layer inclined supporting columns coincide with the generatrix of the tower body, each X-shaped unit is provided with a double-layer ring beam, the double-layer inclined supporting columns and the double-layer ring beams are connected through separated connecting joints and are lattice type steel pipe components, and reinforcing ring trusses are arranged at the positions, at different heights, of the tower body respectively. The reinforcing ring trusses are fixedly connected with the double-layer ring beam on the layer; a widening platform is arranged between two adjacent X-shaped units at the bottommost part of the tower body, the widening platform is a three-chord reinforced truss, the widening platform is respectively and fixedly connected with the X-shaped unit at the bottommost part and the X-shaped unit at the upper layer, and an enclosure structure is arranged on a triangular grid formed by the double-layer inclined support columns and the double-layer ring beams.

The application discloses a heat dissipation structure of an outdoor device and a centralized inverter integrated machine. The copper bar connected between an inverter and a transformer is connected with an internal cavity of an alternating current side of the inverter, heat generated by the copper bar is discharged to the inverter, and the heat exchanger in the inverter is used to discharge waste heat to the external environment. The heat dissipation problem of the copper bar connected between the inverter and the transformer and the connecting cavity is solved, and the cross-sectional size of the copper bar is reduced. The temperature of the copper bar connected between the inverter and the transformer and the connecting cavity is reduced, and the service life of internal devices is prolonged.

The present invention proposes a double-skin roof hybrid structure system with actively controllable stress performance, including a roof upper skin cross beam system, a roof lower skin grid structure system, a V-column system, a string structure system, and a control connection component system; the V-column system connects the roof upper skin cross beam system to form an upper rigid frame structure system; the string structure system is connected to the upper rigid frame structure system to form a "rigid frame structure system with strings"; the control connection component system connects the "rigid frame structure system with strings" and the roof lower skin grid structure system. The structural system proposed by the present invention combines the characteristics of the rigid frame structure system, the string structure system, and the space grid structure system. By applying prestress and reasonably selecting the spring stiffness to actively control the stress performance of each part, the cross-sectional size and material consumption of the structural components are effectively reduced. It can be used to set a lightweight roof with double-skin building skins of different functions and forms, and obtain a light and transparent architectural effect.

The utility model belongs to the technical field of cooling unit, concretely relates to a double -sided air -intaking circulating cooling unit for nuclear power station, including unit base and unit box, the unit box is barrel -shaped structure, and the opening side of unit box is connected with unit base buckle, and unit base is provided with the through -hole and forms the air outlet, the opposite sides wall of unit box is provided with the air inlet symmetrically, and the air inlet is covered with air -intaking treatment subassembly, the utility model discloses the design of unit box double -sided air -intaking makes filter, cooler two -sided air -intaking, can reduce the cross -sectional dimension of circulating cooling unit under the condition that total air -intaking area is invariable, thereby making circulating cooling unit can be arranged in the annular corridor of inside safety shell.

The utility model discloses a steady flow valve and a water heater comprising the same, the steady flow valve comprises a shell, a first end and a second end are arranged on the shell in the flowing direction of fluid, and the first end and the second end are oppositely arranged; the pressure bearing disc is arranged in the shell and located at the first end of the shell; the magnetic assembly is arranged in the shell and located between the second end of the shell and the pressure bearing disc, and at least part of the magnetic assembly is connected with the pressure bearing disc; the pressure bearing disc can be pushed by fluid to move from an initial position to the second end of the shell in the flowing direction of the fluid, and can move back to the initial position in the direction opposite to the flowing direction of the fluid under the action of magnetic restoring force of the magnetic assembly. By means of the mechanism, the flow of the fluid can be adjusted, and the stability of the flow of the fluid is kept. Specifically, when the flow is increased, the pressure-bearing disc is pushed to generate displacement, so that the size of the cross section of the fluid discharged from the liquid outlet through the shell is reduced, and control over the flow of the fluid is achieved.

This utility model belongs to the field of photovoltaic (PV) brackets, and discloses a column structure and a PV bracket. The column structure includes a column body and a reinforcing member. The reinforcing member is disposed on at least one side of the column body and extends along the height direction of the column body. At least a portion of the cross-section perpendicular to the height direction of the column body is a closed cross-section. This utility model, by providing a closed-section reinforcing member on at least one side of the column body, improves the overall bending, torsional, shear, and tensile strength compared to open-section or flat components. It also increases the contact area with the soil, further enhancing its tensile and bending strength. Furthermore, by improving the overall performance of the column body through the reinforcing member, there is no need to increase the cross-section of the column body, saving materials.

This invention discloses an X-band synthetic aperture radar waveguide bandpass filter and radar, relating to the field of waveguide bandpass filter technology. In the waveguide bandpass filter of this invention, along the signal transmission direction, a standard rectangular waveguide WR-90 input structure, multiple resonant cavities, and a standard rectangular waveguide WR-90 output structure are connected sequentially. The standard rectangular waveguide WR-90 input structure is connected to the first resonant cavity through a coupling window, adjacent resonant cavities are connected through a coupling window, and the last resonant cavity is connected to the standard rectangular waveguide WR-90 output structure through a coupling window. Each resonant cavity is provided with a stub, and all stubs generate a transmission zero at the same frequency outside the passband. This invention takes into account the comprehensive performance requirements of miniaturized structure, wide operating bandwidth, and steep passband edge.

The utility model discloses a special plastic door and window profile combined with an old door and window frame material, and relates to the technical field of door and window profiles, an outer frame profile comprises a fixing part and a clamping block, a plurality of fixing sheets are arranged on the outer side of the fixing part, and the clamping block is arranged on the inner side of the fixing part; the crosspiece profile comprises a supporting part, an upper clamping block and a lower clamping block, and the upper clamping block and the lower clamping block are symmetrically arranged relative to the supporting part; the cover plate comprises a plate body and buckling pieces, and the buckling pieces are arranged at the two ends of the plate body. One end of the window sash frame profile is provided with a glass fixing groove, and the other end is provided with a clamping groove; and the sealing edge is buckled outside the window sash frame profile. The combined frame material is attached to an old door and window frame material, so that the situation that a common plastic-steel door and window needs to have the capability of independently bearing loads is avoided, and the combined frame material mainly bears vertical and horizontal loads by means of the original door and window frame material; therefore, on the premise that the structural requirement is met, the section size is reduced as much as possible, materials are saved, meanwhile, the window sill is smaller and more exquisite, and occupied space of an original window sill is reduced.

The present invention discloses a wheel-rail transport vehicle and a balancing method thereof. The wheel-rail transport vehicle includes a load-bearing vehicle plate and a vehicle bridge. The bottom end of the load-bearing vehicle plate is equipped with a frame beam that plays a supporting role. The frame beam and the vehicle bridge are connected by a balancing mechanism. By introducing the hydraulic balancing principle and combining the rigid body component balancing principle, the number, size, and position of the hydraulic cylinders can be flexibly arranged according to the load-bearing target and the moment balance relationship, so that the number of balancing arm stages and the number of wheels under each hydraulic cylinder can be set respectively. Therefore, it is more convenient to adjust the number of wheels and wheel pressure as a whole or locally under the premise of satisfying balanced and clear force. In addition, due to the reduction in the number of balancing arm stages, the mechanism is simplified and compact in structure. At the same time, due to the simplification and compactness, the length of the balancing arm, that is, the force span, is greatly reduced, thereby greatly reducing the cross-sectional size of the balancing arm and reducing its weight to a greater extent, that is, miniaturization, and it is very easy to optimize and modularize.

The invention relates to a high and large arc-shaped vertical face curtain wall supporting system, belongs to the technical field of cable net curtain walls, and solves the problems that in the prior art, a cable net curtain wall is poor in overall permeability and high in cost. The tall and large arc-shaped facade curtain wall supporting system comprises string arch structures, hoop beams and slings, the string arch structures are vertically arranged at intervals, each string arch structure is provided with string columns, supporting rods and steel cables, the string columns are vertically arranged, the steel cables are connected to the two ends of the string columns and enable the ends of the supporting rods to be connected in series, the steel cables are arranged in an arc shape, and the string columns are located on the same arc-shaped face. The hoop beam is of an arc-shaped structure and is perpendicularly connected with the string column, and the arc-shaped vertical face, attached to the curtain wall, of the hoop beam is horizontally arranged. The sling is connected with the multiple hoop beams in the longitudinal direction and is configured to hang the hoop beams so as to reduce the vertical span of the hoop beams. The overall permeability of the cable net curtain wall is improved, and the construction cost is reduced.

The invention provides a separating and unlocking mechanism driven by a shape memory alloy wire, and relates to the technical field of separating and unlocking mechanisms, the separating and unlocking mechanism comprises a base, a sectioning nut, a limiting assembly, a trigger switch assembly and a connecting piece, and the base is used for being fixedly connected with a first separating piece; a plurality of sliding surfaces are sequentially arranged on the base around a circumference, the plurality of split nuts are respectively arranged on the sliding surfaces in a sliding manner, and the split nuts slide on the sliding surfaces to realize aggregation and separation; the limiting assembly can be arranged on the periphery of the split nut and limit the split nut so that the split nut can be in a polymerization state, and the limiting assembly has the trend of being far away from the split nut in the axial direction. The trigger switch assembly can limit the limiting assembly to be away from the split nut. The trigger end of the trigger switch assembly is made of shape memory alloy, and limitation on the limiting assembly is relieved by electrifying and heating the trigger end; the bearing and response time of the separation device can be prolonged.

The utility model provides a base station and a cleaning system, relates to the technical field of cleaning, and is used for solving the technical problem that residual sewage in a sewage tank or solid garbage which is not cleaned in time easily generates peculiar smell. One end of the clear water pipe is configured to be communicated with the clear water inlet in the sewage tank, and the other end of the clear water pipe is configured to be communicated with an external water source; the force application mechanism comprises a force application piece, the force application piece is movably arranged on the base station body and connected with the clear water pipe, and the force application piece is constructed to drive the clear water pipe to move in the direction close to or away from the sewage tank; when the force applying piece drives the clear water pipe to move towards the sewage tank, the force applying piece is constructed to apply acting force to the switch piece so that the switch piece can open the clear water inlet, and the clear water pipe can be arranged in the clear water inlet in a penetrating mode. The base station provided by the utility model is used for injecting clean water into the sewage tank in the cleaning equipment to clean the sewage tank, so that the clean water tank is prevented from becoming smelly and generating peculiar smell.

The utility model relates to the technical field of inflatable cushions, in particular to an explosion-proof inflatable cushion with a multi-air-cavity structure, which is characterized in that air enters a horizontal air passage, a part of air moves forward along the horizontal air passage and enters other air cavities, a part of air enters a middle air cavity from an upper air outlet, and a part of air enters a protective cushion from a lower air outlet; the cushion body surface layer and the protection cushion surface layer are the same in structure and are sequentially made of PVC, carbon fibers and polyester fibers from inside to outside, the PVC is high in flexibility, rich in elasticity, compact in texture and free of air leakage and is a base layer material of the cushion body and the protection cushion, the carbon fibers are high in strength, small in density and thin in thickness, meanwhile, the PVC base layer is bound, explosion caused by huge deformation due to excessive pressure is avoided, the service life of the inflatable cushion is prolonged, and the service life of the inflatable cushion is prolonged. When the protection pad is damaged and cannot be repaired, the lower air outlet is pulled out from the pipeline inlet of the protection pad while the magic tapes of the pad body and the protection pad are torn off, and then the lower air outlet is plugged into the pipeline inlet of a new protection pad, so that the pad body and the protection pad do not need to be replaced at the same time, and the cost is reduced.

The invention provides a cross-section channel opening type folded waveguide slow-wave structure. The folded waveguide slow-wave structure comprises two first structure parts which are arranged along the broadside direction of the slow-wave structure; the second structure part and the electron beam channel are arranged between the two first structure parts; the first structure part comprises a first straight waveguide section and a first waveguide connection section; the second structure part comprises a second straight waveguide section and a second waveguide connection section; the first waveguide connecting section comprises a second outer arc boundary, a second outer arc connecting part is arranged between the second outer arc boundary and the first straight waveguide section, and a second interval height is formed between the second outer arc connecting part and the axis of the electron beam channel in the radial direction of the electron beam channel; the second waveguide connecting section comprises a third outer arc boundary, a third outer arc connecting part is arranged between the third outer arc boundary and the second straight waveguide section, a third interval height is formed between the third outer arc connecting part and the axis of the electron beam channel in the radial direction of the electron beam channel, and the third interval height is larger than the second interval height.

The utility model discloses a multi-way valve for a heat management system of a new energy automobile, and relates to the technical field of multi-way valves. Comprising a valve body, the two ends of the valve body are closed, a valve cavity is formed in the valve body, a plurality of valve ports are formed in one side wall of the valve body side by side in the axial direction of the valve body, and the valve ports communicate with the valve cavity; the valve element is provided with a plurality of flow channels, and the valve element can rotate around the axis of the valve element; the sealing gasket is located between the inner wall of the side, provided with the valve ports, of the valve body and the outer side wall of the valve element, the sealing gasket can seal a gap between the valve element and the valve body, the sealing gasket is provided with a plurality of flow guide ports, and the flow guide ports correspond to the valve ports one to one; and after the valve element rotates by a preset angle, the flow channels in the valve element can communicate with the corresponding valve ports according to the corresponding flow path communication modes. The utility model meets the use requirements of the new energy automobile thermal management system.

The invention provides a supporting device and method matched with a narrow roadway. The supporting device comprises a machine roadway supporting assembly and an air roadway supporting assembly. The machine roadway supporting assembly comprises a single-row machine roadway end support set and a machine roadway forepoling support set which are arranged in a machine roadway, and the single-row machine roadway end support set and the machine roadway forepoling support set are arranged to be attached to the same side of the reversed loader. The air way supporting assembly comprises a single-row type air way end tail support set and an air way forepoling support set which are arranged in an air way, the air way forepoling support set is arranged along the center line of the air way, and the single-row type air way end tail support set comprises a pair of air way end tail supports connected through an air way pushing jack. A drawer type middle beam and a telescopic jack are connected between the top beams of the pair of air way end tail supports. According to the device, the supporting strength of the narrow roadway is improved, the labor intensity is reduced, the operation safety is improved, and the space for people to pass through is fully reserved.

This utility model discloses a two-stage molding ultra-long frame structure without post-pouring strips, comprising an ultra-long frame structure cast in one piece without post-pouring strips and a buckling-restrained brace structure installed later. The ultra-long frame structure includes concrete frame columns and a concrete floor slab. The key feature is that the concrete frame columns and the concrete floor slab are formed in one stage, with the concrete floor slab positioned above the concrete frame columns. A buckling-restrained brace structure installed in the second stage is provided between the concrete frame columns. The buckling-restrained brace structure includes a core material, an outer sleeve, and an isolation layer. This utility model solves the crack resistance problem of ultra-long frames using the simplest, most economical, and most effective method, while avoiding the problems of long construction periods, poor building performance, and poor economic efficiency associated with post-pouring strips.

A window-type grid-supported multi-lateral force-resistant support frame includes columns, beams, and grid support components; two columns are arranged in parallel, and a plurality of beams are arranged vertically between the two columns at equal intervals, so that the space between the two columns is divided into a plurality of rectangular frames; a support component is fixedly arranged in each rectangular frame. The grid support system of the present invention forms a lattice beam by optimizing the grid form, indirectly reduces the frame height, effectively reduces the calculated length of the support rod, has a small slenderness ratio of the support rod, has good anti-buckling ability, is not prone to buckling failure of the support rod, and is easy to control support buckling failure.

The utility model discloses a string beam photovoltaic support structure suitable for offshore large-span integrated installation, including pile foundation, string beam structure and purline, string beam structure includes support crossbeam, upper chord beam, lower chord cable, support rod, connecting ball, support crossbeam is arranged in parallel, and pile foundation is located below support crossbeam and is fixed with support crossbeam, a plurality of upper chord beams are arched and straddle on support crossbeam, and lower chord cable is axially tensioned along upper chord beam, and a plurality of vertical support rods are arranged between upper chord beam and lower chord cable, and the upper portion of support rod is fixed with the lower portion of upper chord beam, and the lower portion is connected with lower chord cable through connecting ball, and purline is arranged above upper chord beam and is perpendicular to upper chord beam. The utility model has low production cost, compared with traditional offshore photovoltaic support structure, utilizes cable structure to replace steel truss structure, gives full play to the load bearing characteristics of material, reduces the cross section size of component, reduces the steel consumption, adopts large-span string beam photovoltaic support structure simultaneously, and reduces the pile foundation usage amount.

The invention relates to the field of arm supports, and discloses an arm joint, an arm support and engineering machinery, the arm joint comprises a plate-shaped upper-layer frame, a plate-shaped lower-layer frame and a plurality of web member structures, the arm joint is arranged to be switched between a use state and a transportation state, in the use state, the upper-layer frame and the lower-layer frame are spaced in the height direction, and in the transportation state, the upper-layer frame and the lower-layer frame are separated in the height direction. The two ends of the web member structure are connected to the upper-layer frame and the lower-layer frame correspondingly, in the transportation state, the two ends of the web member structure are separated from the upper-layer frame and the lower-layer frame correspondingly, and the upper-layer frame and the lower-layer frame are stacked in the height direction. And the sizes of the upper-layer frame and the lower-layer frame in the height direction are smaller than those of the upper-layer frame and the lower-layer frame in the use state in the height direction. According to the technical scheme, the web member structure is detachably connected with the upper-layer frame and the lower-layer frame, so that the web member structure is allowed to be detached in the transportation process, the section size of the cantilever crane is reduced, and the transportation difficulty and the transportation cost are reduced.

The present invention discloses a steel-concrete composite slab-column structure, comprising a reinforced concrete slab and a reinforced concrete column, wherein a steel frame support of the reinforced concrete slab is enclosed by a joist at the top of the column of the reinforced concrete column; the steel frame support has a hoop enclosing the top of the column and a joist connected to the hoop and extending outward along the bottom layer of the reinforced concrete slab; the joist is connected to a fastener embedded in the reinforced concrete slab. Compared with the traditional reinforced concrete flat plate structure with column caps, the present application effectively utilizes the high-strength performance of steel; overcomes the problem that the rolling door cannot be installed to the top due to the obstruction of the traditional column cap, and a avoidance groove is left between the joists to provide space for the installation of the rolling door so that it can be installed to the top.

The invention relates to a mixed section middle tower which comprises a steel tower column. The top end of the steel-concrete combined tower column is fixed with the bottom end of the steel tower column, and an upper joint surface is formed at the fixed part; and the top end of the concrete tower column is fixed with the bottom end of the steel-concrete combined tower column, and a lower joint surface is formed at the fixed part of the concrete tower column and the bottom end of the steel-concrete combined tower column. The upper portion of the tower column is of a steel structure, the middle of the tower column is of a steel-concrete combined structure, and the lower portion of the tower column is of a reinforced concrete structure. The tower column has the advantages that a force transmission anchoring structure is located in a main tower, durability is good, tower column outer contour transition is even and smooth, appearance is attractive, tower column size and rigidity balance is good, a combination section is relatively simple in structure, and construction is convenient and fast.

The present invention relates to the technical field of laminated filters, and in particular to a filter laminate and a filter. The filter laminate provided by the present invention comprises: a laminate body, a plurality of flow guides and a flow channel structure. The flow guides are distributed in an array on the laminate body along a first direction and a second direction, and are arranged along the surface protrusions of the laminate body, and two adjacent flow guides are arranged at intervals; the shortest distance between two adjacent flow guides in the second direction is a first spacing, and the shortest distance between two adjacent flow guides in the second direction of the next group in the first direction is a second spacing, and the first spacing is greater than the second spacing; the flow channel structure comprises a plurality of first flow channels and a plurality of second flow channels arranged in an alternating manner, the first flow channel is extended along the first direction and arranged between two adjacent flow guides in the second direction, and the second flow channel is extended along the second direction and arranged between two adjacent flow guides along the first direction, thereby improving the filtering efficiency of the filter laminate.

The invention relates to a three-dimensional power divider. The technical problems that according to a traditional plane power distribution mode, the requirement for power synthesis of ports with different heights is difficult to meet, the section power density of an assembly cannot be improved through a three-dimensional synthesis mode, and compact arrangement of a follow-up antenna array face can be affected by scattered power distribution ports are solved. The three-dimensional power divider comprises an upper circuit board and a lower circuit board which are arranged at different heights, and a connecting structure which is vertically connected between the upper circuit board and the lower circuit board. After an input signal is equally divided into two paths through the input port, the two paths are respectively output from the first output port and the second output port of different height layers, so that the transmission of a microwave signal in a three-dimensional space is realized. The invention further relates to a microwave receiving and transmitting assembly which adopts two three-dimensional power distributors which are respectively used for distributing transmitting signal power to planes with different heights and synthesizing the transmitting signal power with receiving signals of the planes with the different heights.