423results 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 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.

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).

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 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 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.

A recording medium destruction apparatus capable of confirming that a recording medium no longer required is destroyed to enter an unreadable state is provided. In a recording medium destruction apparatus 91 that drives a pin 1 for destroying a recording medium 15 so that information recorded on the recording medium 15 is irreproducible, there is provided monitoring means 50 for monitoring situations where the recording medium 15 is destroyed. There are provided code number assignment means for assigning a code number to the recording medium 15 to be destroyed, and recording means for recording, when the recording medium 15 has been destroyed, the code number assigned to the destroyed recording medium and the date on which the recording medium has been destroyed.

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 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.