53results about How to "Meet wiring requirements" patented technology

The invention discloses a forming process for a fine line circuit with line width being below 0.05mm of a flexible printed circuit board, aiming to manufacture an IC (Integrated Circuit) package flexible substrate which has a copper-coated base material with the width being below 40 mu m and is 0.05mm in line width. The forming process for the fine line circuit with the line width being below 0.05mm of the flexible printed circuit board comprises the following steps of: material selecting, laser-based blind hole drilling, hole blacking, wet-process dry film attaching, exposure for development, blind hole electroplating, film removing and cleaning, secondary wet-process dry film attaching, secondary exposure for development, and circuit etching. Compared with the prior art, the IC package flexible substrate, which has the copper-coated base material with the width being below 40 mu m, is 0.05mm in line width and is manufactured through the steps of material selecting, laser-based blind hole drilling, hole blacking, wet-process dry film attaching, exposure for development, blind hole electroplating, film removing and cleaning, secondary wet-process dry film attaching, secondary exposure for development and circuit etching, fully meet a wiring requirement of the IC package flexible substrate, and is simple in process, low in cost, high in qualification rate and suitable for industrialized production.

The invention relates to a contactor with multi-group contact units, comprising a foundation and a substrate. The middle part of the interior of the chamber of the substrate is provided with a supporting piece, the supporting piece is provided with moving contact components of a first group of contact units, the moving contact components of a second group of contact units are arranged on the supporting piece and at both sides or either side of the moving contact components of the first group of contact units; the moving contact components of a third group of contact units are arranged below the moving contact components of the second group of contact units; and the supporting piece is fixedly connected on a movable core and drives the moving contact components to contact or leave the corresponding static contact components along with the motion of the movable core. In the invention, secondary development is carried out on the basis of providing only one constantly open or constantly closed signal contactor, and another contact component is reasonable additionally arranged by adjusting the position and dimension of a control unit space, the supporting piece, the contact and a contact bridge, so that the contactor can be provided with the constantly open and constantly closed contact units at the same time.

The invention discloses a high-altitude test clamp. An upper clamp jaw is fixed on a sliding seat through an upper clamp sleeve, a sliding groove is arranged in the sliding seat, a screw rod and a nut which can slide along the sliding groove matching with the screw rod are arranged in the sliding groove, a lower clamp jaw is fixed on the nut through a lower clamp sleeve and arranged opposite to the upper clamp jaw, a portion, stretching out of the sliding seat, of the screw rod is connected with a connecting rod, and binding posts are arranged on the upper clamp jaw and the lower clamp jaw. By means of the high-altitude test clamp, defects of a common test clamp can be overcome, high-altitude operation is completely achieved, the risks caused by the fact that a worker has to climb high for operation due to special shapes of connectors can be avoided, wiring requirements of multiple test items such as loop resistance tests and circuit parameter tests in electrical tests can be satisfied, and work conditions of on-site workers are greatly improved.

The invention relates to a tire pressure monitoring and alarming system based on a CAN (Controller Area Network) bus and K line communication, comprising a plurality of tire modules, an ECU (Electronic Control Unit) module and a meter display module, wherein the tire modules are installed in the tire; the tire modules and the ECU module are in radio frequency communication connection by a radio transmission circuit and a radio receiving circuit; and the tire modules and the meter display module are connected via a CAN bus unit and a K line interface unit by the CAN interface unit and the K line interface unit. The tire pressure monitoring and alarming system based on the CAN bus and the K line communication adopts a direct tire pressure monitoring mode, combines the design of the CAN and the K line design, satisfies the finished automobile wiring requirement in the practical application of TPMS (Tire Pressure Monitor System), is integrated with the finished automobile bus, and realizes the systematization and the intellectualization of the TPMS.

The invention relates to a cable laying device for electric power engineering construction and a using method. The device comprises a bottom plate and a supporting column; the supporting column is fixedly connected to the center of the upper surface of the bottom plate; the end, away from the bottom plate, of the supporting column is fixedly connected with a wiring assembly used for conveying a cable; the wiring assembly comprises a wiring frame, a driving wheel, a driven wheel and a rotating motor; the lower surface of the wiring frame is fixedly connected with the supporting column; the driving wheel and the driven wheel are positioned in the wiring frame; the rotating axis of the driving wheel and the rotating axis of the driven wheel are perpendicular to the lower surface of the wiringframe; a rotating shaft of the driving wheel penetrates through the side wall of the wiring frame and is rotationally connected with the wiring frame; the rotating motor is fixedly connected to the upper surface of the wiring frame; and an output shaft of the rotating motor is fixedly connected with the rotating shaft of the driving wheel; a rotating shaft of the driven wheel penetrates through the wiring frame and is rotatably connected with the wiring frame; and a gap used for containing the cable is formed between the driving wheel and the driven wheel.

The invention provides a highway-railway combined construction steel web member double-combination continuous trussed beam. The highway-railway combined construction steel web member double-combination continuous trussed beam comprises an upper-layer highway concrete bridge deck slab, a lower-layer railway concrete bridge deck slab and steel web members. Upper-layer highway concrete longitudinal beams are arranged on the two sides of the upper-layer highway concrete bridge deck slab in the transverse direction of a bridge, lower-layer railway concrete longitudinal beams are arranged on the twosides of the lower-layer railway concrete bridge deck slab in the transverse direction of the bridge, and the upper ends and the lower ends of the steel web members are connected with the upper-layerhighway concrete longitudinal beams and the lower-layer railway concrete longitudinal beams on the same side through gusset plates. In addition, the invention further provides a construction method of the bridge. According to the highway-railway combined construction steel web member double-combination continuous trussed beam, a double-combination structural form that the steel web members are combined with the upper-layer bridge deck and the lower-layer bridge deck is adopted; the bridge is clear in stress, high in rigidity, high in integrity, small in maintenance workload, good in economical efficiency, capable of optimizing structural stress and engineering design, capable of being widely applied to highway-railway combined construction bridges of high-speed railways, attractive in structure and high in competitiveness, and the material performance of steel and concrete is fully utilized.

The invention discloses a special three-phase three-pole amorphous alloy transformer for solar power generation, belonging to the technical field of design and manufacturing of a transformer. Amorphous alloy is adopted as an iron core to prepare the amorphous alloy distribution transformer. No-load losses of the transformer can be reduced effectively, and the efficiency of solar power generation can be improved. A three-phase three-pole structure is adopted by the iron core, the iron core can be connected with a Dyn11 group, and wiring requirements of Yyn0 can be satisfied. A three-phase split winding structure is adopted by an internal winding and the internal winding comprises a high-voltage winding and two split low-voltage windings, the short-circuit current of a network can be limited effectively, and the investment cost and coverage of construction can be reduced. The transformer can be widely applied in distributed power generation, particularly solar power generation.

The present invention discloses a super-miniature LTCC (Low Temperature Co-fired Ceramic) low-pass filter. The super-miniature LTCC low-pass filter employs a stacked structure to achieve the minimum Balun structure in the industry. The super-miniature LTCC low-pass filter employs a LTCC process to put a circuit into a ceramic body so as to meet a more precise circuit wiring requirement. The internal circuits of the LTCC low-pass filter are distributed in a stacked mode, the size is small, and the electrical performance is good. The LTCC low-pass filter is good in performance, is small than 0.5dB in the in-band insertion loss, is 2.025GHz in inhibition frequency and is 25dB in the out-of-band rejection.

A high thermal conductivity package substrate and a preparation method thereof are disclosed. The preparation method includes the steps of: electroplating a copper substrate with a metal protective layer; addition-electroplating the copper substrate with a first line layer; forming a first conductive copper post and a first heat-dissipating copper post on the first line layer, and electroplating the first conductive copper post and the first heat-dissipating copper post; pressing a first insulating layer on the first line layer and performing grinding; forming a second line layer on the firstinsulating layer; forming a second conductive copper post and a second heat dissipating copper post on the second line layer, and pressing a second insulating layer on the second line layer and performing grinding; forming a third line layer on the second insulating layer; and etching the copper substrate. The heat-dissipating copper posts can allow a simple heat conductive path, and the heat dissipating effect is improved; the preparation process is simple, the cost is low, the prepared high thermal conductivity package substrate is stable in size, the conductive path is simple, and the heatdissipating performance is excellent.

The invention relates to a phase change method of insulating tube buses. The phase change method of the insulating tube buses comprises the steps that (1) a run layout plan of the insulating tube buses to be laid is made according to the layout of a main transformer and inflatable switch cabinets, and (2) according to electric connection situations, a phase change design is carried out in a space range meeting phase change requirements, wherein phase change design is carried out in a space not less than 80cm above three-phase insulating tube buses A, B and C, and the sideward three-phase insulating tube buses A and C are selected from the three-phase insulating tube buses A, B and C to carry out phase change. The phase change method of the insulating tube buses meets the wiring requirements when two rows of the inflatable switch cabinets are arranged face to face, due to the fact that the insulating tube buses are bent at an angle in a specific range, it is ensured that the carrying capacity, heating and deformation of the insulating tube buses are in a reasonable range, and normal use of the insulating tube buses is not affected.

The invention discloses a chip DRAM (dynamic random access memory) pad arrangement structure for improving encapsulation compatibility. The DRAM pads of a chip include a plurality of first pads, a plurality of second pads and a plurality of third pads; the plurality of first pads are arranged at intervals so as to form an inner-row pad group; the plurality of second pads are arranged at intervals so as to form a middle-row pad group; the plurality of third pads are arranged at intervals so as to form an outer-row pad group; the inner-row pad group is located between the center of the chip and the middle-row pad group; the middle-row pad group is located between the inner-row pad group and the outer-row pad group; and the outer-row pad group is located between the middle-row pad group and the boundary of the chip. The chip DRAM pad arrangement structure for improving encapsulation compatibility has the advantages of strong compatibility and no need for encapsulation cost increase, and can satisfy wire bonding requirements of frame-class encapsulation such as WB BGA encapsulation and eLQFP encapsulation.

The invention discloses a concrete pole with a cable storage box. The concrete pole comprises a fixing seat mounted on the concrete pole and a fixing rod fixed on the fixing seat and protruding to the radial outer side of the concrete pole, the cable storage box is movably mounted on the fixing rod through a movable adjusting piece, the fixing rod comprises a support plate which is provided with a row of retaining slots along the forward-backward direction, the movable adjusting piece is provided with retaining teeth which match with the retaining slots and realize positioning on the support plate at the same time, the cable storage box comprises a box body internally provided with a bobbin winder, the bobbin winder comprises a rotating shaft and a bobbin rotationally connected on the rotating shaft, the first side wall of the box body is provided with a cable inlet, and the second side wall of the box body is provided with a cable outlet. Cable pull-out length can be adjusted according to the requirement of use, and operation is facilitated for maintenance personnel.

The invention relates to a vertical interconnection design method for a special-shaped cavity fuzz button assembly and a tile type transmitting-receiving assembly, which can be applied to the design field of a two-dimensional active phased array radar transmitting-receiving assembly or a transmitting-receiving sub-array. In the design, a three-layer circuit substrate laminated structure is adopted to realize tile-type multi-channel transceiving assembly integration, and the tile-type multi-channel transceiving assembly has the characteristics of modularization, splicing, conformality, easiness in maintenance, low cost and the like, and is easier to integrate a system array. The vertical interconnection of multi-path radio frequency microwave signals and multi-path power supply signals between layers is realized by adopting the special-shaped cavity fuzz button assembly, the vertical interconnection of multiple power supplies and control signals between layers is realized by respectively adopting the multi-core fuzz button connector and the multi-core mixed fuzz button connector, welding is not needed, the signal transmission is stable and reliable, the connection mode is flexible and convenient, and the expandability is strong.

The invention provides a bus bridge and a bus phase modulation method, which can correspondingly connect three phases of buses of a switch cabinet so as to solve the problem of phase sequence non-correspondence when the switch cabinet is arranged in a face-to-face manner in the prior art. The bus bridge comprises a bridge shell, two sets of supporting bodies used for dividing a three-phase bus into two layers are arranged in the bridge shell, and the supporting bodies are used for supporting the bus connected between two switch cabinets. Each group of supporting bodies comprises supporting body matrixes arranged side by side, at least one of the supporting bodies of each supporting body matrix can form a phase modulation supporting body, and the phase modulation supporting body is used for enabling a bus to jump to other supporting body matrixes so as to realize adjustment of the trend of the bus; and the phase modulation supporting bodies in each supporting body matrix are staggered in the wiring direction.

The invention discloses a server integrated delivery power cable tracing and retracting mechanism, including PDU row insertion, a server, a cable that connects the PDU row plug to the server, the PDUrow insertion includes a PDU housing, Crown clip, plug base and model base, a copper bar and a ground wire are arranged in the PDU shell, a rear end of that crown clip is connected with a copper bar and a ground wire, at that front end of the crown clamp, the crown clamp is connected with the plug base through a wire, at both end of that PDU housing, a long hole is arranged on that connecting plate, Crown clamp and plug base are connected with that first connecting plate, the model base is connected with the first connecting plate, the cable is tied through a harness belt, the horizontal position of the server is consistent with the position of the correspond serial number inserted into the PDU row, the tracing is beautiful, the redundant cable is operated, and the aesthetics and the identifiability of the cable in the cabinet are ensured.

The system includes a computer and a database. The computer includes following modules: setting module in use for setting up packages; a segment definition module in use for selecting package as starting point package, end point package according to segment rule as well as defining starting point and end point for each segment; a net selection module for selecting a net to be calculated; a calculation module for calculating length of each segment and total length of net; a module for prompting calculation error if the said lengths are not accorded with defined specific lengths, or if a segment is not met to definition, then error information is unable to calculate it; save module for saving segment rules and stores calculated lengths to database; a conversion module is in use for converting calculated lengths in database file formal to report file format. The system is capable of calculating wiring lengths of wires in computer main board, and result is led in report forms.

The invention discloses a voltage sag generation unit. The voltage sag generation unit comprises a three-level PWM rectifier module, a bidirectional DC-DC conversion module and a three-level invertermodule; the bidirectional DC-DC conversion module comprises a first bidirectional DC-DC converter and a second bidirectional DC-DC converter, both of which are in the isolation type; the primary negative pole of the first bidirectional DC-DC converter is connected with the primary positive pole of the second bidirectional DC-DC converter, so that a primary zero-level end of the bidirectional DC-DCconversion module is formed; the accessory negative pole of the first bidirectional DC-DC converter is connected with the accessory positive pole of the second bidirectional DC-DC converter, so thatan accessory neutral point end of the bidirectional DC-DC conversion module is formed; the primary side of the bidirectional DC-DC conversion module is connected with the three-level PWM rectifier module; and the accessory side of the bidirectional DC-DC conversion module is connected with the three-level inverter module. The technical problems that the existing high-power voltage sag generator isheavy, huge in volume and fussy in single-phase voltage sag test can be solved. The invention further discloses a voltage sag generator.

The invention discloses a butt joint type concrete pole with a wire storage function. The butt joint type concrete pole comprises a steel plate fixing ring for fixing a first pole section and a second pole section which are in butt joint. The surface of the steel plate fixing ring is coated with an anti-corrosion treatment layer, and an outer protection structure is arranged outside the anti-corrosion treatment layer. A fixing rod is arranged on the first pole section/second pole section. A wire storage box is movably installed on the fixing rod through a movable adjusting part. The fixing rod comprises a supporting plate. The supporting plate is provided with a row of stop grooves in the front-back direction. The movable adjusting part is provided with a stop tooth which is matched with the stop grooves and positioned on the supporting plate at the same time. The wire storage box comprises a box body internally provided with a wire winder. The wire winder comprises a rotary shaft and a wire reel rotationally connected to the rotary shaft. The first side wall of the box body is provided with a wire inlet. The second side wall of the box body is provided with a wire outlet. The butt joint type concrete pole has the advantages of a good anti-corrosion property, high strength, good waterproofness, long service life and good safety, and meanwhile a wire can be conveniently connected from the concrete pole.

The invention relates to a scheduling workbench, which comprises a station air conditioning system, a line management system and a cabinet, as well as a retractable station partition plate for internally mounting or externally hanging the station air conditioning system, and one or more driving devices capable of lifting or translating a tabletop and display equipment, wherein a plurality of high-capacity wire slots are perpendicularly and/or horizontally erected in the cabinet, and high-capacity wire slots are also formed in the bottom of the cabinet; a front door of the cabinet is provided with a replaceable buffer type skirting board. The scheduling workbench is in a frame structural form. Front and rear door sheets of the scheduling workbench are provided with radiation holes, so that natural ventilation for the radiation of equipment is facilitated. According to the scheduling workbench, the arrangement and management of a station air conditioner are simplified, and interference with other equipment of a console is avoided; the execution accuracy and working efficiency of operating personnel are improved, and the working strength is reduced; shoes of the operating personnel are protected from direct collision with hard objects, and abrasion to the cabinet which is pedaled for a long time is avoided; the wiring requirements and strong and weak current isolated-arrangement requirements of a complex system are met.

A tool adapted to lay a conduit having an openable joint part in a longitudinal direction thereof and a cable wound on a spool, comprising: a support frame;a spool mounting portion provided on the support frame and configured that the spool wound with the cable is adapted to be rotatably mounted thereon;a packaging portion provided on the support frame and configured to package the cable in the conduit; and a conduit laying portion provided on the support frame and configured to be adapted to guide the conduit packaged with the cable and lay the conduit packaged with the cable on an installation surface.