424results about How to "Reduce the number of installations" patented technology

In a photovoltaic solar cell module assembly of the present invention, a plurality of photovoltaic solar cell modules that receive light irradiation and generate a predetermined power output are connected in series, and each of positive and negative electrodes located on both ends of a row of the series-connected photovoltaic solar cell modules is bifurcated.

An intelligent inspection robot for a power distribution station comprises a robot body, an in-station terminal and a remote terminal, wherein the robot body comprises a motion module and a detection module, and the motion module is suspended on a top rail to walk; the top rail is arranged along distribution control points in the power distribution station; the detection module is used for executing inspection, detection, monitoring, fault diagnosis and pre-warning and alarming tasks on the distribution control points; the in-station terminal is used for controlling walking, detection, storage and communication of the robot body; the remote terminal receives a real-time scene image video and detection data transmitted by the in-station terminal for concentrated monitoring. The manual inspection cost can be substantially reduced, and the inspection frequency is improved; the reliability, the authenticity and the accuracy of inspection result data are improved; various monitoring data is collected, and powerful data support is made for analysis and pre-judgement of big data.

The invention provides a high-power LED street light which can be simultaneously provided with one or two LED light source modules, being composed of a heat transfer and dissipation system, a luminescence and light distribution system, a power source transformation system and a lamp shell, wherein, the heat transfer and dissipation system consists of a heat conducting substrate of the LED light source module, a heat conducting adhesive and a radiator integrated with an upper shell; the luminescence and light distribution system consists of the luminous surface of the LED light source module, a sealing ring, a reflecting shade, a light distribution lens and a transparent lampshade; the power source transformation system consists of a power source incoming line, a rectification drive controller, a power source outgoing line as well as the positive and negative terminals of the LED light source module. The structure of the invention can effectively enhance the luminous intensity of a single lamp, simultaneously, the radiating structure of the lamp is more beneficial to heat dissipation, which causes an LED chip to work under the appropriate temperature environment, thus achieving the aims of prolonging the service life of the lamp and reducing the photodegradation of the lamp.

The invention relates to a bridge foundation construction method, in particular to a land oversized open caisson subsidence construction method. The method is characterized by comprising the following steps of: firstly, excavating a deep well at intervals around an open caisson, descending the water level of the open caisson by using the deep well around the open caisson, supplementing water in the open caisson at the same time of maintaining draining outside the open caisson in case that the underwater level outside the open caisson can not further descend so that the water level of the open caisson and the deep water well forms a water head, setting a buoyancy tank working platform on the water level in a partition warehouse of the open caisson, hanging a high-pressure ejection water gun and a mud pump below the buoyancy tank platform so that the high-pressure ejection water gun and the mud pump are located in water and on the position of the elevation half of the water head, scouring soil body through high-pressure ejection water to form the mud and discharging outside the open caisson, tunneling the soil body at the bottom of the open caisson and then subsiding under the gravity of the open caisson body. The invention provides a construction method which has the advantages that the devices required for subsiding construction is less, the subsiding efficiency is high, the economical efficiency is good, the construction difficulty of the open caisson is reduced and the efficiency is improved.

The invention discloses a substation patrol robot obstacle avoidance method based on laser radar. A robot scans the surrounding environment through laser radar; an adopted environmental map is a two-dimensional matrix, which is a Boolean matrix of an actual substation, and the position in the substation having a device is defined as Boolean true; the current position coordinate of the robot and heading angle thereof as well as laser radar data obtained after mapping are fused; at the moment, whether the two-dimensional matrix is true or not is judged, if the two-dimensional matrix is true, it is indicated that the corresponding position of the substation has the substation device, and if the two-dimensional matrix is not true, it is indicated that the corresponding position of the substation has an obstacle, and with the coordinate of the robot as an index, corresponding elements are set as true in a new two-dimensional matrix; and a current surrounding navigation data layer of the robot serves as auxiliary information for obstacle avoidance, if a robot planned travel route passes through a corresponding matrix, where the navigation data layer is true, the robot replans a path and utilizes a shortest path algorithm to avoid the obstacle, thereby reducing possibility of the substation patrol robot in colliding with the obstacles.

The invention discloses a leakage detection method for a closed circulating water system of a calcium carbide furnace. The method comprises the following steps that flow meters and thermometers are installed on cooling water return branch pipes of all equipment parts of the calcium carbide furnace to collect data in real time, and the change trend of flow and the change trend of temperature of all the branch pipes are recorded; a micro-differential pressure transmitter is arranged on the water supplement position of a high-level surge tank of the system to record the change trend of the liquid level; a dynamic alarm model between the change trend of the flow of the branch pipes and the change trend of the liquid level is established; alarm values of the trend difference of the flow of the branch pipes are synthesized to obtain alarm thresholds of the trend difference of the liquid level of the surge tank of different cycles, and leakage detection and positioning performed on the closed circulating water system of the calcium carbide furnace are completed according to the change trend of the flow and the change trend of the temperature of all the branch pipes. According to the leakage detection method for the closed circulating water system of the calcium carbide furnace, the number of the installed high-accuracy flow meters is greatly reduced, the leakage detection accuracy of the system is improved, the response speed is increased, and meanwhile system cost is effectively lowered. In this way, the leakage detection method provides a reliable guarantee for stable and safe production of calcium carbide furnaces.

The invention relates to a bound thermal-insulation composite wall with supports, which provides an external thermal-insulation composite wall of building, to overcome the defects of present technique. Wherein, the concrete hanging beam support (2), the internal outwards-drawing connector (7), and the inner end of plastic expansion nail (9) are fixed inside the main construct concrete (10) or basic wall (1); the concrete hanging beam support (2) and the outer end of inner outwards-drawing connector (7) are inside the outer protective layer (8) to connect the vertical steel bar (5); the outer side of basic wall (1) has a thermal-insulated layer (3) fixed via plastic expansion nail (9); the outer side of thermal-insulated layer (3) has a vertical steel bar (5); the outer or inner side of vertical steel bar (5) has a metallic network (4) which is connected to the vertical steel bar (5); the outer side of thermal-insulated layer (3) has a outer protective layer (8) made from cement sand pulp or pea stone concrete. The invention has the advantages that safety, long service life, better thermal insulation and flameproof.

The invention discloses a full-sensing monitoring and patrol inspection operation and maintenance system of distribution network equipment. The switch cabinet monitoring system is used for monitoringthe temperature of key points of the switch cabinet, arc protection and circuit breaker parameters. Distribution line monitoring system: used to monitor the electrical parameters and operating statusof the line, when the line fault occurs, early warning and generation of fault information; Robot monitoring system in power distribution room: it is used to monitor the environmental parameters in power distribution room and patrol the parameters of equipment and instruments; Operation and maintenance system management system: used for on-line panoramic monitoring, statistical analysis and forecast maintenance of distribution network. The switch cabinet monitoring system, the distribution room robot monitoring system and the distribution line monitoring system are all connected with the operation and maintenance system management system through network equipment for exchanging information and control signals. The distribution room and distribution line can be controlled remotely and centrally by the operation and maintenance system management system.

Provided is a current detection circuit module wherein it is possible to correct the current detection sensitivity before assembling a finished product and to achieve high mechanical shock resistance. A current detection circuit module (11) provided with a control circuit board (9) on which a control IC (7) for controlling power modules (5) is mounted, magnetic cores (21) which each have a gap (27) on a portion thereof and which surround busbars (15) extending from the power modules (5), magnetic detection elements (40) which are disposed within the gaps (27), and a detection circuit (44) which outputs to the control IC (7) the detection signal of the current value flowing through the busbars (15) in response to the output of the magnetic detection elements (40), wherein the detection circuit (44) is mounted on the control circuit board (9), the control circuit board (9) is provided with passing parts (29) which are formed by notches and which are used to arrange the busbars (15) perpendicular to the board surface, the magnetic cores (21) are mounted on the control circuit board (9) so as to surround the respective busbars (15) passing the respective passing parts (29), and the magnetic detection elements (40) are mounted on the control circuit board (9) such that the magnetic detection elements (40) are located within the gaps (27) of the respective magnetic cores (21).

The invention discloses a double-speed low strain method for detecting integrity of an existing pile foundation through carrying out excitation inside a pile body. The double-speed low strain method comprises the steps of location of a pile top position: finding the central position of a to-be-detected pile according to a construction drawing, and marking the central position; drilling of a foundation and a foundation pile: drilling a hole in the central marked position of the to-be-detected pile, and sampling; sensor mounting: mounting two sensors on the hole wall of the obtained drilled hole, wherein the two sensors are in different depths; vibration excitation seat mounting: mounting a vibration excitation seat below the pile top and at the upper end of the upper senor, wherein the vibration excitation seat is in close contact with the hole wall of the drilled hole and does not slide on the hole wall under the action of a vibration excitation hammer; vibration excitation of the vibration excitation hammer: selecting the vibration excitation hammer according to the pile diameter, the pile length and the defect position to perform vibration excitation for a plurality of times; and sampling and data analysis: carrying out synchronous sampling on the two sensors, and analyzing sampled signals. The double-speed low strain method has the beneficial effects that the principle is simple and clear, an acquisition device is simple, the result is more accurate and reliable, and relatively good engineering application and popularization prospect is achieved.

A locating and clamping method for machining piston includes providing machine-tool, cutter and fixture, using the top of the inner cavity of the piston to be machined as the point to be clamped, and using the external end face and locating boss of the piston as the locating surface. Its advantages are no deformation caused by clamping, high locating precision, and high productivity and quality.

The invention discloses a construction method for an H-type steel stiff column with a cross fracture surface. The construction method includes the steps of measuring and positioning, inspecting and checking before hoisting the H-type steel stiff column, hoisting the H-type steel stiff column in place, fixing the H-type steel stiff column temporarily, correcting the H-type steel stiff column, fixing the H-type steel stiff column, welding H-type steel stiff column and the like. The axis and perpendicularity of section steel column installation can be controlled accurately, structural construction is high in precision, construction quality is reliable, and the construction method is suitable for installation and construction of the H-type steel stiff columns with the cross fracture surfaces in a high-rise building, a super high-rise building, a long-span structure and a common structure.

A doffer (60) includes support members (65) and a bobbin guiding cylinder (62). The support members (65) support a package formed by winding a spun yarn on a bobbin. The bobbin guiding cylinder (62) drives the support members (65) to convey a fully wound package supported by the support members (65) from a position (first position) of the package at which the support members (65) receive the package that is fully wound to a position of a package receiving section (84) (second position).

The invention discloses a channel main floating body and supporting floating body coupled water surface photovoltaic power generation system and a method thereof. The system is obtained through splicing a plurality of photovoltaic power generation units. Each photovoltaic power generation unit comprises two main floating bodies and an assembly supporting floating body. Two end surfaces of each main floating body in the length direction are respectively provided with a high spacing board and a low spacing board. The assembly supporting floating body is a cube with an open top surface. Two end surfaces of the assembly supporting floating body are arc-shaped surfaces. Two side walls of the main floating body in the width direction are provided with recessed surface which match the arc-shaped surfaces. Two ends of the top of the arc-shaped surface at one end of the assembly supporting floating body are provided with high vertical columns, and two ends of the top of the arc-shaped surface at the other end of the assembly supporting floating body are provided with inverted-L-shaped pressing blocks. The high vertical columns and the inverted-L-shaped pressing blocks are provided with photovoltaic assemblies. The channel main floating body and supporting floating body coupled water surface photovoltaic power generation system and the method thereof have advantages of reducing strength requirement to the assembly supporting floating body, simplifying the manner of the assembly supporting floating body, reducing fabrication cost, improving integral stability of the water surface photovoltaic power generation system, reducing vibration amplitude of the photovoltaic assemblies, and increasing power generation amount.

The invention relates to the technical field of mining, in particular to a double-layered and bidirectional horizontal stripping open-stope backfilling mining method. The double-layered and bidirectional horizontal stripping open-stope backfilling mining method comprises the following steps: S7, separately forming two lower slice slicing stope openings in two sides of the tail of a vein connectionroadway, separately arranging lower slice stope connection roadways towards an lower slice stope of a stope in step one and an lower slice stope of a stope in step two from every lower slice stope; S8, continuing tunneling and arranging upper and lower slice connection roadways in the extension direction of the vein connection roadway from the tail of the vein connection roadway, and enabling thetails of the higher and lower slice connection roadways to be positioned between the two higher slice stopes of an adjacent horizontal stope below a horizontal stope in step S6; and S9, separately forming two upper slice stope openings in the two sides of the openings of the upper and lower slice connection roadways, separately arranging upper slice stope connection roadways towards an upper slice stope of the stope in step one and an upper slice stope of the stope in step two from every upper slice stope opening, and enabling the opening of each upper slice stope connection roadway to be positioned in the center of the corresponding upper slice stope.

The invention belongs to the field of building construction, in particular to a construction technology of a cross-shaped profile steel column, comprising the following steps: firstly laying off and identifying the cross-shaped axes of a profile steel column to be installed, and using the cross-shaped axes as a reference for installing and positioning the profile steel column and controlling the installation parameters; checking and verifying the dimension and model of the profile steel column to be installed and whether the profile steel column is deformed or not in the transport process; and vertically hoisting the verified profile steel column with an upper section and a lower section to an installation position by utilizing a hoisting machinery, placing a ring of steel bar with the diameter of 6mm at the butt part of the upper section and the lower section of the profile steel column, and reserving a space for regulation. The construction technology in the invention has simple construction procedures and is favor of safe management.

The invention relates to an integrated charging and acquisition terminal, belonging to an electronic device for charging and data acquisition of an intelligent electric meter. The integrated charging and acquisition terminal mainly comprises a display unit, an IC (integrated circuit) card interface circuit, an encryption and authentication interface circuit, an RS485 interface circuit and a powercarrier circuit which are connected with a single chip microcomputer, wherein the IC card interface circuit and the encryption and authentication interface circuit are formed by adopting an electrostatic protection chip ESDA6V1-5W6 and an ESAM (embedded secure access module) chip; the RS485 interface chip in the RS485 interface circuit is connected with the single chip microcomputer by two optical coupling circuits; a thermistor, a piezoresistor and another thermistor are connected between an A end and a B end of the RS485 interface chip in sequence and in series; and the A end and the B end are respectively connected with a two-way transient diode and then are grounded; and the power carrier circuit mainly comprises a three-phase carrier module. The integrated charging and acquisition terminal integrates an IC card interface, a power carrier interface and an RS485 interface and has the characteristics of convenience in charging, electricity utilization inquiry and data forwarding fora user and the like.

A system for static elimination comprises an electric-manipulator, a grip jaw arranged in the front end of the electric-manipulator, a connecting rod set arranged on the electric-manipulator and a static eliminator arranged on the connecting rod set. The static eliminator can reciprocate in a fixed scope to eliminate static by the connecting rod set.

The invention discloses a double-impeller indoor air heating and humidifying device which comprises water wheel paddles, a rotating shaft, an axial flow impeller, a heat preservation box body, a diffusion cotton strip and a mixing chamber. The bottom side of the heat preservation box body is connected with an air inlet mouth, and the inner portion of the air inlet mouth is arranged as an air inputmouth; the part, on the inner side of the air inlet mouth, of the heat preservation box body is internally provided with a filtering net, one side of the filtering net communicates with the air inputmouth, and the other side of the filtering net communicates with an air guide mouth; and the part, on the other side of the air guide mouth, of the heat preservation box body is internally provided with the axial flow impeller, the axial flow impeller is installed on the rotating shaft, a hot air mouth is arranged above the axial flow impeller, and the hot air mouth communicates with the mixing chamber inside the upper end of the heat preservation box body. According to the double-impeller indoor air heating and humidifying device, the heating effect is good and the air is filtered and purified; the hot air, water mist and freshening agent are evenly sprayed out by air distributing holes after being thoroughly mixed inside the mixing chamber, and the adjustment for the temperature, humidity and smell of the indoor air is facilitated; and the double-impeller indoor air heating and humidifying device is suitable for household use.

The invention discloses a side-scanning ship draught detection system and method. The system comprises an ultrasound wave transmitting array, an ultrasound wave receiving array, a time-sharing control module, a vertical distance measuring module, a horizontal distance measuring module, a draught detecting and processing unit and a displaying and alarming module, wherein the time-sharing control module is used for sending a control command to the ultrasound wave transmitting array at intervals and controlling corresponding ultrasound wave transmitting sensors to work. According to the system, the ultrasound wave transmitting sensors are fixed in a form of a column transmitting array, thereby facilitating installation and maintenance; the ultrasound wave transmitting sensors on the ultrasound wave transmitting array work by sharing time and do not interfere with each other, so that the measurement result is more accurate; fewer ultrasound wave transmitting sensors are mounted in the ultrasound wave transmitting array, so that the cost can be reduced. The system and the method can be used for recognizing the shapes of the ship bottoms of different measured ships, adopting different calculation methods according to the different ship bottom shapes and improving the measurement accuracy.

The invention relates to a multifunctional smart embroidery machine head of a computerized embroidery machine, comprising a support body, a control circuit board, an instruction operation circuit board, a feeding motor and a drive cylinder, and a driving belt wheel on the feeding motor is connected with a driven belt wheel on a thread guide port through a drive belt. The multifunctional smart embroidery machine head is mainly provided with an inner through hole in the thread guide port, the inner through hole is sleeved on the outside of a needle bar of a flat embroidery machine head; a tension motor, a mobile guide wheel, a tension swing spring, a first fixed guide wheel and a second fixed guide wheel are arranged on the support body; a stroke control switch is arranged between the driving belt wheel and a mounting base, and the stroke control switch is connected in a forward and backward rotation control circuit of the feeding motor. The multifunctional smart embroidery machine head does not need to change the mounting position of the original flat embroidery machine head, does not reduce the mounting number of the flat embroidery machine head and has the advantages of convenient installation and use, high production efficiency, low noise, long service life and so on. The multifunctional smart embroidery machine head is applicable to the computerized embroidery machines of flat embroidery, belt embroidery, rope embroidery, bead embroidery and coil embroidery.

A bobbin installation device (60) includes a bobbin gripping section (52) and a path adjusting plate (59). A pivot arm (58) is attached to a rocker shaft (111) and swings by pivoting about the rocker shaft (111). The bobbin gripping section (52) grips a bobbin, onto which a yarn is to be wound, and supplies the bobbin in between a pair of bobbin holders (72) that define a target position of the bobbin. The path adjusting plate (59) can adjust a path (bobbin supplying path) along which the bobbin is supplied by the bobbin gripping section (52) to the target position.

The invention provides a wind resource simulated estimation method for a region without wind measurement records, belonging to the technical field of wind resource evaluation. The method comprises the following steps: establishing a data structure of an artificial intelligence network model in a computer; inputting raw wind resource data into the artificial intelligence network model; computing to obtain the relationship between the input layer and output layer of the artificial intelligence network model; and inputting wind resource data of the adjacent wind measurement recording region, which has the same time sequence as the to-be-estimated wind resource data of the region without wind measurement records, into the input layer of the artificial intelligence network model, and obtainingthe to-be-estimated wind resource data according to the established relationship between the input layer and output layer. The method solves the technical problem of how to evaluate the wind resources in the wind electric field under the conditions of lacking in wind measurement data and terrain data of the wind electric field.

The invention discloses a state monitoring system of a wind generating set. A portable measuring device is used for measuring and reading running parameters of the wind generating set, and the installing amount of monitoring sensors can be greatly reduced through unit recognition information, integration with other information of a wind turbine control system and full utilization of a large amount of monitoring and process information in an existing wind and power system. Detection data are transmitted in a network transmitting mode, a new path for fault feature extraction is formed, the fault judgment accuracy rate is increased, and the running, maintaining and using cost of a fault diagnosis system can be effectively reduced. The wind generating set fault diagnosis system has high data processing and intelligent analysis capability, a real-time online state monitoring interface and a fault processing operation interface of the wind generating set are provided, the fault diagnosis procedure of the wind generating set is optimized, and work of maintainers is facilitated.

The invention relates to a lossless clamp of a steel wire rope. The lossless clamp is characterized by comprising two clamping plates and a connecting bolt used for connecting the two clamping plates, wherein the two clamping plates are both provided with a clamping working surface; the clamping working surfaces of the two clamping plates are respectively provided with two linear clamping slots which adapt to the outer surfaces of the steel wire rope and are depressed in an arc surface shape, and the clamping slots on the same clamping plate are mutually parallel; the distance between the two clamping slots on one clamping plate is equal to the distance between the clamping slots on the other clamping plate; the summation of the depths of the corresponding clamping slots on the two clamping plates is smaller than the diameter of the steel wire rope; and the two clamping plates are correspondingly provided with a plurality of connecting holes used for matching with the connecting bolt. Due to the reduction of mounting amount of the clamp, the operation is facilitated and the efficiency is improved; in addition, as the contact area between the clamp and the steel wire rope is increased, the damages to the steel wire rope are avoided.

The invention provides an exhaust manifold installation structure and a method for assembling and disassembling the same. The exhaust manifold installation structure comprises a cylinder cover, an exhaust manifold and an installation bracket, wherein bolt holes are formed on flange planes on the upper and lower sides of the exhaust manifold. Key points are that: bolt installation holes are formed on the cylinder cover opposite to the flange plane on one side of the exhaust manifold; positioning holes are formed on the cylinder cover opposite to the flange plane on the other side of the exhaust manifold; bolt holes on the side of the exhaust manifold, which is opposite to the positioning holes, are U-shaped installation holes; positioning pin holes are formed at the two ends of the installation bracket, which are opposite to the positioning holes; and positioning columns which face and protrude from the inner side of the installation bracket are arranged at positions which are opposite to the U-shaped installation holes. Due to the exhaust manifold installation structure, precise positioning can be ensured, the exhaust manifold installation structure is convenient to install and disassemble, installed bolts are reduced, disassembling time is saved, and the sliding probability of the bolts is reduced.

An illuminating apparatus has a reduced number of mounting spots by soldering or the like to permit an increased yield rate and a reduced cost. The illuminating apparatus has light emitting diodes, lead frames, and a transparent sealer. N light emitting diodes, N sets of lead frames mounted with the N light emitting diodes, and one set or more of lead frames each not mounted with a light emitting diode are sealed by the transparent sealer for integration into a modular illuminating apparatus. Also provided are a method for fabricating the illuminating apparatus, and a display apparatus using the illuminating apparatus.

The invention discloses a single-spindle glass magnesium plate trimming machine and a trimming method. The trimming machine comprises a support component, a main body component and a pressing component, and the support component is used for installing the main body component and the pressing component; during trimming operation of a glass magnesium plate, a slewing bearing of the support componentis used for placing and driving the glass magnesium plate to be trimmed to rotate in an indexing manner; the main body component is used for driving a circular saw blade to move in X-axis, Y-axis andZ-axis directions, so that the trimming of the glass magnesium plate is achieved; and the pressing component is used for pressing the glass magnesium plate to be trimmed and preventing the glass magnesium plate to be trimmed from being moved in the trimming process. According to the trimming machine, four edges of glass magnesium plates in different sizes and specifications after maintenance anddrying can be cut, and the operation efficiency and the degree of automation are high; the operation is convenient, and human intervention is reduced in the trimming process; and the influence of dustgenerated during trimming on the physical and mental health of workers is reduced effectively.