33results about How to "Realize a modular structure" patented technology

The invention discloses a new structure of wavelength-time domain adjustable two- dimensional optical orthogonal coder / decoder applied to optical code division multiple access (OCDMA) communication network. The technical project: an OCDMA wavelength-time domain two-dimensional orthogonal coder / decoder, selects wave-time domain two-dimensional optical orthogonal code to make optical coding / decoding, and consists of optical coding / decoding module, control circuit and signalling agent; the optical coding / decoding module is controlled by the control circuit, which receives the instruction sent from the signalling agent to realize wavelength selection and delay selection; the signalling agent is connected with a signalling net; the optical coding / decoding module is composed of 1xN wave division demultiplexer, Nxw optical switch, w adjustable optical fiber delay line, wxN optical switch and Nx1 wave division multiplexer. The adjustable two-dimensional optical orthogonal coder / decoder of the invention can realize coding / decoding arbitrary two- dimensional wavelength-time domain optical orthogonal code and has a modularized structure, convenient to integrate.

A device for mechanically guiding components in a lock arrangement, preferably for guiding a follower unit, comprising an electrically actuable manoeuvring element (21) preferably a motor. A first engagement element (23,24) is coupled mechanically to the manoeuvring element for linear movement along a movement axis between a first and a second end position. A first arm (25) which is rotatable about a rotatable shaft (A) includes a second engagement element (27) located in mechanical engagement with the first engagement element. Because each of the first and second engagement elements (23,24,27) includes a groove (27) which extends at least partially out of parallel with the movement axis of the first engagement element, the first arm is caused to rotate when the first engagement element moves linearly. This results in a simple and flexible guide device.

The invention relates to a combined valve. The combined valve comprises a multifunctional valve, a confluence plate and at least one operation reversing valve, wherein a left opening and a right opening at one side surface of one operation reversing valve are respectively connected to a left cavity and a right cavity of a piston cylinder; a left reflux opening, a middle inlet and a right reflux opening at the other side surface of the operation reversing valve are respectively connected to a left flow channel, a middle flow channel and a right flow channel of the confluence plate; the channels of the left reflux opening and the right reflux opening of the operation reversing valve are respectively provided with a one-way valve; the left reflux opening and the right reflux opening are corresponding connected to a left flow channel and a right flow channel of the confluence plate through respective throttle valves; and the left inlet and right inlet of the multifunctional valve are respectively and correspondingly communicated with a left outlet and a right outlet through respective throttle valves. The combined valve avoids mutual influence among cylinders and collision abrasion to a piston and a cylinder end cover when the piston moves rapidly, prolongs the service life of the piston cylinder efficiently, and guarantees operation safety and stability of the piston cylinder.

The invention relates to an arrangement for a modular inverter. The arrangement comprises a number of power semiconductors (5, 7) and cooling elements (2), the cooling elements being connected to the power semiconductors (5, 7) for cooling them, wherein the power semiconductors (5, 7) and the cooling elements (2) are disposed around a centre axis (9) of the arrangement in such a manner that they demark a channel (10) around the centre axis (9) in which a cooling medium is able to flow in the direction of the centre axis. The invention is characterized in that the arrangement further comprises a first tube-shaped ring film capacitor (11) around the centre axis (9) of the arrangement wherein the power semiconductors (5, 7) are arranged between the cooling elements (2) and an inner surface of the first ring film capacitor (11).

The invention relates to an apparatus for connection to a gearbox actuating element of an engine gearbox, having sensors (5, 6, 7) for sensing gearbox shifting positions of a shifting apparatus, and to an interface (2) for transferring the evaluation signals of the sensors (5, 6, 7) to the control electronics of a gearbox actuating element, wherein the sensors (5, 6, 7) are arranged in such a way that their spacing from the interface (2) is smaller than the spacing between the interface (2) and the shifting apparatus which is to be sensed.

The invention discloses a high-altitude escape slow descant device which comprises a machine box, a bearing unit, a rotary damper and a folding mechanism. The bearing unit is arranged in the machine box, the bearing unit comprises two gears arranged in parallel in a spaced mode, a gear belt and a rope, the rope is wound around the outer surface of the gear belt, one end of the rope is fixedly connected with the surface of the gear belt, the other end of the rope is connected with a safety belt, the rotary damper and the folding mechanism are connected with a rotating shaft of the gears throughconical gear transmission parts, and a ratchet wheel mechanism is arranged between the rotary damper and the conical gear transmission part. When the gears are rotated forwards, the rotary damper provides resistance for gear rotation to limit the rotating speed of the gears. When the gears are rotated reversely, rotary connection between the gears and the rotary damper is removed through the ratchet mechanism. The rope, the rotary damper, the folding mechanism and the like are integrated in the machine box, a modular structure is achieved, free combination and installation are achieved, and flexibility is high; and the device can be integrated with a building for concealed installation, space attractiveness is not affected, and using convenience is prominent.

The invention discloses a microwave plasma industrial organic waste gas treatment system and belongs to the technical field of organic waste gas treatment equipment in the chemical industry. The treatment system comprises a housing with the size matching with the size of an industrial organic waste gas pipe and multiple same microwave plasma torch generation devices fixedly and uniformly distributed around the housing along the circumferential direction. Each one of the microwave plasma torch generation devices comprises a microwave generator, a circulator, a water load and a microwave waveguide resonance cavity and the above parts are orderly connected. A non-metallic microwave discharge tube is arranged at a position with the maximal microwave electric field amplitude in the microwave waveguide resonance cavity. A discharge pipe is perpendicular to the axial direction of the microwave waveguide resonance cavity and the lower end of the discharge pipe extrudes from the microwave waveguide resonance cavity. A discharge metal wire is fixedly arranged in a discharge pipe cavity. The microwave generator is close to the center of the housing. The tail end of the microwave waveguide resonance cavity is fixedly connected to the housing. The system utilizes air plasma produced by microwave to treat industrial organic exhaust gas and has the characteristics of high overall efficiency,short process and cost saving.

The invention discloses an offshore wind power single-pile foundation mechanism and a construction method thereof. The offshore wind power single-pile foundation mechanism and the construction methodthereof solve the technical problems that the construction period is long, the offshore operation difficulty is high, and the cost is high due to the fact that an existing offshore wind power ultra-large-diameter single-pile foundation is mainly constructed in an on-site pouring construction mode. The offshore wind power single-pile foundation mechanism comprises a middle column and N fan-shaped prisms, N first bolts and N second bolts, wherein N is larger than or equal to 2; at least one first stirrup is arranged in the circumferential region of the middle column; at least one second stirrupis arranged in an inner ring of the fan-shaped prisms; the first bolts perpendicularly penetrate through clamping rings of the first stirrups and clamping rings of the second stirrups, so that the middle column is fixedly connected to the fan-shaped annular prisms; at least one third stirrup is arranged on the two side surfaces of each fan-shaped prism; and the second bolts perpendicularly penetrate through clamping rings of the third stirrups so that every two fan-shaped prisms are fixedly connected.

The invention relates to a braking energy recovery system for an electric vehicle, comprising a three-phase staggered two-way half-bridge circuit, a gear selection circuit, a sampling hold circuit, a digital chip, a voltage sampling circuit, a current sampling circuit and a driving circuit which are sequentially connected. Two-way half-bridge DC / DC converters are connected in parallel, the three-phase staggered two-way half-bridge circuit serves as a main circuit topology of the system, high and low levels are output through an I / O port to control the switching-on / off of relays so as to select different power requirement gears, and finally, the purpose of recovering the braking energy of motors with different output power is realized. According to the invention, the reliability of the device is improved, current ripples are reduced, and the volume of inductors and the capacity of capacitors are reduced, so that the device is easier to realize; the system can be used for multiple DC motors with different output power requirements; the system can effectively prevent current from being out of control under fault conditions so as to quickly finish overcurrent protection; and in addition, a three-phase staggered DC / DC converter system and an active inverter system are consistent in structure, thereby being favorable for realizing a modular structure of an electric vehicle system.

The invention relates to the technical field of building elements, in particular to a photovoltaic curtain wall. The photovoltaic curtain wall is formed by splicing a plurality of photovoltaic power generation unit modules, wherein every two adjacent photovoltaic power generation unit modules are detachably connected. The photovoltaic curtain wall is dispersed into a plurality of photovoltaic power generation unit modules, so that a modular structure is realized; and flexible thin-film battery components and the like are integrally made into the photovoltaic power generation unit modules, and then the photovoltaic power generation unit modules are arranged on a framework on a wall surface one by one and spliced. The photovoltaic curtain wall is convenient to mount and maintain and easy to machine.

The invention relates to a screw pump (1), in particular a twin screw pump, comprising: a multi-part housing (2, 7, 15, 21) and at least two coupled chamber-forming rotors (3, 3a), each The rotors each comprise at least one thread-like profile (4, 4a) formed at least in regions and having a helical channel (5, 5a) and a dividing wall ( 6, 6a), wherein the rotors (3, 3a) perform reverse rotor rotations and the partition walls (6, 6a) mesh with each other in the manner of gears; and the running housing part (7), wherein the running housing part (7) surrounding the rotor (3, 3a) in a non-contact manner, wherein the rotor (3, 3a) together with the running housing part (7) forms at least one delivery chamber (8, 8a) for the fluid to be delivered, Among them, the transfer chamber (8, 8a) moves axially along the rotor shaft (10, 10a) and transfers the fluid from the suction chamber (11) to the pressure chamber (12); the suction side connection element (13), which is fluidly connected to a suction chamber (11); and a pressure-side connecting element (14), which is fluidly connected to the pressure chamber (12), wherein the suction-side connecting element (13) and the pressure-side connecting element (14) are arranged in the multi-part housing (2 , 7, 15, 21) on the connecting housing part (15), wherein the housing (2, 7, 15, 21) includes a planar dividing surface (16), which is in the running housing part ( 7) and the connecting housing part (15) extend parallel to the rotor shaft (10, 10a).

The invention relates to a screw pump (1), in particular a double screw pump, comprising a multiple-piece housing (2, 7, 15, 21) and at least two coupled rotors (3, 3a) which form chambers with in each case at least one thread-shaped profile (4, 4a) which is configured at least in regions with helical channels (5, 5a) and with dividing walls (6, 6a) which delimit the channels (5, 5a), wherein therotors (3, 3a) perform an opposed rotor rotation, and the dividing walls (6, 6a) engage into one another in a gearwheel-like manner, a running housing part (7), wherein the running housing part (7) encloses the rotors (3, 3a) without contact, wherein the rotors (3, 3a) form, with the running housing part (7), at least one conveying chamber (8, 8a) for the fluid to be conveyed, wherein the conveying chamber (8, 8a) migrates axially along the rotor axis (10, 10a) and conveys the fluid from a suction chamber (11) into a pressure chamber (12), a suction-side connector element (13) which is connected fluidically to the suction chamber (11), and a pressure-side connector element (14) which is connected fluidically to the pressure chamber (12), wherein the suction-side connector element (13) andthe pressure-side connector element (14) are arranged on a connector housing part (15) of the multiple-piece housing (2, 7, 15, 21), wherein the housing (2, 7, 15, 21) has a planar dividing plane (16)which runs parallel to the rotor axes (10, 10a) between the running housing part (7) and the connector housing part (15).

The invention discloses a high-power discharge switching device based on a light triggered thyristor (LTT), which comprises an LTT unit, a static pressure equalizing resistance unit, a dynamic pressure equalizing RC return circuit unit and a switch pressure-mounting assembly unit, wherein the LTT comprises more than one light LTT elements which are connected in series; the static pressure equalizing resistance unit and the dynamic equalizing RC return circuit unit are connected with the LTT unit in parallel; the dynamic equalizing RC return circuit unit comprises an absorption capacitor and adynamic absorption resistor which are connected in series; and the switch pressure-mounting assembly has effect of fixing and connecting the LTT unit, the static pressure equalizing resistance unit and the dynamic pressure equalizing RC return circuit unit. The high-power discharge switching device of the invention overcomes the defects of slow control response speed, great trigger jitter, easy burnout of a contact under heavy current, poor reliability, poor safety and the like of the traditional mechanical switch.

The invention discloses a new structure of wavelength-time domain adjustable two- dimensional optical orthogonal coder / decoder applied to optical code division multiple access (OCDMA) communication network. The technical project: an OCDMA wavelength-time domain two-dimensional orthogonal coder / decoder, selects wave-time domain two-dimensional optical orthogonal code to make optical coding / decoding, and consists of optical coding / decoding module, control circuit and signalling agent; the optical coding / decoding module is controlled by the control circuit, which receives the instruction sent from the signalling agent to realize wavelength selection and delay selection; the signalling agent is connected with a signalling net; the optical coding / decoding module is composed of 1xN wave division demultiplexer, Nxw optical switch, w adjustable optical fiber delay line, wxN optical switch and Nx1 wave division multiplexer. The adjustable two-dimensional optical orthogonal coder / decoder of the invention can realize coding / decoding arbitrary two- dimensional wavelength-time domain optical orthogonal code and has a modularized structure, convenient to integrate.

The invention relates to a multifunctional valve and a multifunctional valve combination valve. The multifunctional valve and the multifunctional valve combination valve comprise a valve body, a valve cavity which is arranged in the valve body and a valve rod which is arranged in the valve cavity, wherein a middle inlet, a left inlet and a right inlet are arranged on one side of the valve body, the middle inlet is used for the entering of pressure mediums, the left inlet and the right inlet are used for the selective entering of the pressure mediums, a left outlet and a right outlet are arranged on the other side of the valve body, the left outlet and the right outlet are used for the discharging of the pressure mediums, and the left inlet and the left outlet and the right inlet and the right outlet are selectively communicated in a corresponding mode through the matching of the valve cavity and the valve rod. The multifunctional valve and the multifunctional valve combination valve are characterized in that the left inlet is communicated with a left cavity correspondingly, the right inlet is communicated with a right cavity correspondingly, and correspondingly, the left cavity and the right cavity are communicated with the left outlet and the right outlet through a left throttle valve and a right throttle valve. According to the multifunctional valve and the multifunctional valve combination valve, a piston can be slowly contacted with the end portion of a piston cylinder, the collision and the abrasion to a piston rod when the piston is moved rapidly are avoided, the service life of the piston cylinder is prolonged effectively, and meanwhile the operation safety of the piston cylinder and the stability of the piston cylinder are ensured.

A fuel distributor (1), in particular for a compressed mixture, externally ignited internal combustion engine, said fuel distributor comprising a distributor body (6) and at least one sleeve (10), said sleeve being at least Constructed on a plastic base piece. A fuel chamber (7) is formed in the distributor body (6). Furthermore, a through channel (20) is provided on the distributor body (6) in the region of the sleeve (10), which opens on one side into the fuel chamber of the distributor body (6) (7) and open on the other side into the inner chamber (21) of the sleeve (10). The sleeve (10) has a sealing lip (22), wherein the through channel (20) opens into the interior of the sleeve (10) at a central opening (24) of the sealing lip (22). room (21).

The invention discloses an offshore wind power single-pile foundation mechanism and a construction method thereof. The offshore wind power single-pile foundation mechanism and the construction methodthereof solve the technical problems that the construction period is long, the offshore operation difficulty is high, and the cost is high due to the fact that an existing offshore wind power ultra-large-diameter single-pile foundation is mainly constructed in an on-site pouring construction mode. The offshore wind power single-pile foundation mechanism comprises a middle column and N fan-shaped prisms, N first bolts and N second bolts, wherein N is larger than or equal to 2; at least one first stirrup is arranged in the circumferential region of the middle column; at least one second stirrupis arranged in an inner ring of the fan-shaped prisms; the first bolts perpendicularly penetrate through clamping rings of the first stirrups and clamping rings of the second stirrups, so that the middle column is fixedly connected to the fan-shaped annular prisms; at least one third stirrup is arranged on the two side surfaces of each fan-shaped prism; and the second bolts perpendicularly penetrate through clamping rings of the third stirrups so that every two fan-shaped prisms are fixedly connected.

The invention discloses a compaction roller unit for a spinning machine or a twisting machine. The compaction unit applies a spring elastic pressure on a conveying belt (48) of the spinning machine or the twisting machine. The compaction roller unit (1) includes a compaction roller (16) which is rotatably retained at a first bearing point (12) by a cantilever support (2). The cantilever support (2) has a second bearing point (18). The second bearing point and the first bearing point (12) are spaced apart, and the cantilever support (2) can be retained on the spinning machine or the twisting machine as the second bearing point may rotate around a rotating axis (I) so as to move the compaction roller (16) to move in the direction of the conveying belt (48). According to the invention, the compaction roller unit is characterized in that the cantilever support (2) is formed in the rotating direction in an anti-bending manner and has a spring piece system (24) which actions in the rotating direction and can bear a spring piece (26) which can be effectively connected to the cantilever support (2;2') in a manner for transmitting the spring force, wherein the spring piece system (24) is arranged on one side of the second bearing point (18) facing the compaction roller (16).

The invention relates to a multifunctional valve and a combination valve thereof. The multifunctional valve comprises a valve body, a valve cavity formed in the valve body and a valve rod arranged in the valve cavity, wherein a middle inlet allowing pressure media to enter, a left inlet and a right inlet are formed in one surface of the valve body, and the pressure media can selectively enter the left inlet and the right inlet; a left outlet and a right outlet which allow the pressure media to be discharged are formed in the other surface of the valve body; and the left inlet and the left outlet as well as the right inlet and the right outlet are selectively and correspondingly communicated through matching of the valve cavity and the valve rod. The multifunctional valve is characterized in that the left inlet and the right inlet are communicated with the left outlet and the right outlet through respective damping channels, so that a piston can slowly touch the end part of a piston cylinder, a piston rod is prevented from being collided and abraded when the piston moves at a high speed, the service life of the piston cylinder is effectively prolonged, and simultaneously, operation safety and stability of the piston cylinder are guaranteed.

The invention discloses a two-level two direction current transformer and a control method of the two-level two direction current transformer. The inverter comprises a direct-current (DC) breaker, a DC filter, a DC / DC converter, a DC / alternating-current (AC) converter, an AC filter, an AC contactor I, an AC contactor II, an isolation transformer, an AC breaker, a DC / DC pulse-width modulation (PWM) drive circuit, a DC / AC PWM drive circuit, a control panel and a human-computer interface. The current transformer is simple in structure and low in cost. In the control method, the DC / AC converter and the DC / DC converter are controlled independently, so that the whole current transformer is of a modular structure without mutual interferences, distribution of electric energies is managed preferably, and fault diagnosis and inspection for a system are convenient.

The invention discloses a flexible display screen with an adjusting frame and a using method. The flexible display screen comprises the adjusting frame and the flexible display screen, the adjusting frame comprises a top edge, a first side edge, a bottom edge and a second side edge, and the top edge, the first side edge, the bottom edge and the second side edge form a rectangle. The flexible display screen is fixedly installed on the inner sides of the top edge, the first side edge, the bottom edge and the second side edge, the top edge is composed of a first angle seat, a second angle seat and a transverse adjusting structure, the first angle seat is located at one end of the transverse adjusting structure, and the second angle seat is located at the other end of the transverse adjusting structure. According to the flexible display screen with the adjusting frame, firstly, the angle of the flexible display screen can be adjusted conveniently, operation is convenient, secondly, installation of the flexible display screen is faster and easier, later maintenance is facilitated, in addition, due to the modular design, the flexible display screen with the adjusting frame is conveniently suitable for flexible display screens of different sizes, and the application range is wide.

The invention discloses a high-capacity upper and lower isolated solid switch cabinet, and belongs to switch equipment of an alternating current distribution network. The high-capacity upper and lower isolated solid switch cabinet comprises at least one unit cabinet, and each unit cabinet comprises a three-phase high-voltage vacuum switch unit, an upper isolated switch unit, a lower isolated switch unit, a lower grounding switch unit, a bus bushing, a wire inlet and outlet bushing and an operation mechanism. The vacuum switch unit is arranged inside an insulating barrel, and the insulating barrel consists of an upper isolating cover, a lower isolating cover and an insulating cover. The upper and lower isolating covers are made of a polycarbonate material, and the insulating cover is made of an epoxy resin material; an upper isolating blade, a lower isolating blade and a lower grounding blade are arranged inside the upper and lower isolating covers respectively; the bus bushing and thewire inlet and outlet bushing are arranged at the upper and lower ends of the insulating barrel respectively; and the operation mechanism is arranged on the external side of a supporting plate on theuncovered surface of the insulating barrel. By placing electrical equipment of the switch cabinet inside the insulating barrel made of the solid insulating material and adopting a unit cabinet structural style, the switch cabinet is non-toxic and harmless, has a small volume, is convenient to install, is safe in use, saves the resources and prolongs the service life.