66results about How to "Shorten the safety distance" patented technology

The invention discloses a collision avoidance system and an automatic braking method of an electric automobile. The collision avoidance system comprises an information collecting module, an information processing module, an intelligent decision making module, a regenerative braking module and a mechanical braking module, wherein the information collecting module is used for real-timely collecting the distance between the electric automobile and a front vehicle or an obstacle and a current running speed; the information processing module is used for real-timely calculating rear-end time of the electric automobile and the front vehicle or the obstacle, regenerative braking safe time and mechanical braking safe time; the intelligent decision making module is used for deciding whether normal running is continuously kept or whether a regenerative braking mode is started or whether a combined braking mode of the regenerative braking mode and a mechanical braking mode is started according to the rear-end time of the electric automobile and the front vehicle or the obstacle, the regenerative braking safe time and the mechanical braking safe time; the regenerative braking module is used for starting regenerative braking for the electric automobile according to a regenerative braking mode starting signal provided by the intelligent decision making module; and the mechanical braking module starts mechanical braking for the electric automobile according to a combined braking mode starting signal provided by the intelligent decision making module.

A laboratory sample distribution system (100) comprises: a number of container carriers (1), said container carriers each comprising at least one magnetically active device, preferably at least one permanent magnet, and being adapted to carry a sample container (3), a transport plane (4) being adapted to carry said container carriers, and a number of electro-magnetic actuators being stationary arranged below said transport plane, said electro-magnetic actuators being adapted to move a container carrier on top of said transport plane by applying a magnetic force to said container carrier.

The invention relates to a manufacturing method for a printed circuit board, wherein manufacturing of a multi-layer high-density interconnected printed circuit board can be realized by using the one-time compressing method. The method comprises the following steps that: first daughter boards and second daughter boards are manufactured; the plurality of first daughter boards and daughter boards are superposed together and heating and pressurizing are carried out, and thus the first daughter boards and the second daughter boards are bonded together to form a multi-layer and multi-stage printed circuit board; conventional processes like mechanical drilling, hole metallization, and electroplating and the like are carried out on the multi-layer printed circuit board so as to complete the manufacturing of the printed circuit board. According to the invention, expansion and shrinkage as well as deformation of materials during the manufacturing process can be effectively controlled, thereby effectively improving alignment precision between the holes and between the hole and the graph; and the safe distances between the holes and between the hole and the graph are reduced from 20 mil to 8mil, thereby effectively improving the wiring density of the printed circuit board. Moreover, under the circumstances that the investment of the PCB manufacturer equipment is not increased, the yield of the high-density interconnected printed circuit board can be substantially improved and the manufacturing period of the product can be shortened.

The disclosed method for machining flat workpieces (6), in particular metal sheets, or three-dimensional workpieces (6') on a machining unit (1), especially a machine tool or laser cutting machine, involves the following steps: a) having an image capturing device (12) for capturing two-dimensional images capture a live image (14) of a workpiece (6; 6') to be machined; b) displaying at least one upcoming workpiece machining process (101, 102, 103) in the live image (14) of the workpiece (6; 6') using a predetermined forward transformation (T; T') of the workpiece machining process (101, 102, 103) from the three-dimensional coordinate system (11) of the machining unit to the two-dimensional coordinate system (15) of the live image; c) manually adjusting the position of the upcoming workpiece machining process (101, 102, 103) in the live image (14) of the workpiece (6; 6'); and d) carrying out the workpiece machining process (101, 102, 103) on the workpiece (6; 6') using a predetermined inverse transformation (T-1; T'-1) of the positionally adjusted workpiece machining process (101, 102, 103) from the two-dimensional coordinate system (15) of the live image to the three-dimensional coordinate system (11) of the machining unit.

An apparatus for safeguarding a monitoring area, in which an automatically operating machine is disposed, comprises: (i) a sensor unit including a camera system for producing images of the monitoring area; (ii) a configuration unit for defining first and second protection areas; and (iii) an evaluation unit for triggering a safety-related function. The first protection area is at a first distance from the machine and the second protection area is at a second greater distance from the machine. The sensor unit monitors both the first protection area and the second protection area. The evaluation unit analyzes the images produced by the camera system so as to evaluate both (i) whether a machine element of the machine enters the first protection area as well as (ii) whether a foreign object enters the second protection area. The evaluation unit triggers the safety-related function if at least one of these events occurs.

An embodiment of a rail vehicle may comprise at least one passenger receptacle; a device configured to generate a driving and/or braking force; a transmitting device for transmitting the driving and/or braking force onto a circuit; and at least one actuating device configured to exert a control over at least one of the vehicle's speed and acceleration. The transmitting device has a first engagement element configured for positive engagement with a compatible second engagement element arranged stationarily on the circuit, and a control unit. The control unit is configured to provide control signals to the device for generating the driving and/or braking force which are independent or dependent from the control exerted through the at least one actuating device. The control signals, at least intermittently, limit or shut off the control via the at least one actuating device or superimpose on the control via the at least one actuating device.

Apparatus for determining a spatial property in a 3D-space, wherein the apparatus comprises a physical pointer, a camera and a position and orientation measurement system, wherein a first object in the 3D-space comprises a pattern on it, wherein the physical pointer is configured to contact a surface area of a second object in the 3D-space, wherein the camera is configured to capture, at a position of the camera with respect to the first object, image data comprising an image of the pattern; wherein the position and orientation measurement system is configured to determine a heading, position, verticality, attitude, and/or inclination of the camera based on the image of the pattern, and determine, based on the determined heading, position, verticality, attitude, and/or inclination of the camera and a relative position of the physical pointer with respect to the camera, the spatial property of the surface area by the physical pointer.

The invention discloses an undersea vacuum pipeline transportation system for a wheeled vehicle equipped with side guide wheels. The system comprises pipe piers arranged on a seabed. Pipelines are erected on the pipe piers. Smooth rail plates are laid at the inner bottoms of the pipelines. The side surfaces of the pipelines are equipped with side guide rails. The bottom of the vehicle is equippedwith wheels which roll on the rail plates. Two sides of the vehicle are both equipped with side guide wheels matching the side guide rails. The side guide wheels offer guide acting force to vehicle driving. The vehicle comprises an air-tight passenger cabin, in which a life guarantee system is arranged. A complicated and expensive guide system for rail traffic and road traffic is avoided. The structure features of pipelines are fully leveraged. Guide mechanisms are arranged for the vehicle. A wheeled vehicle scheme with mature technology and low cost is utilized in order to provide a cost-effective and easily-implemented technical scheme for the undersea vacuum pipeline transportation system across straits and bays.

The invention discloses a shifting device for two-circuit hot-line work of a transmission line. The device comprises an insulating supporting rod and a fixed adjustment seat thereof, wherein the insulating supporting rod is movably hinged with the fixed adjustment seat; a connecting piece is arranged at the upper end of the insulating supporting rod; and the connecting piece is respectively connected with a pulley block and a hanging ladder. The insulating supporting rod of which the position can be adjusted in horizontal direction and vertical direction is arranged independently and fixedly outside a working position. Compared with the newly developed same-pole tower compact two-circuit and multi-circuit tower type which has the characteristics of small safety distance, non-enough combined gap or high overlapping difficulty, the invention has the advantages that: an equipotential worker can be quite conveniently and accurately shifted to a required working position; a novel auxiliarydevice is provided for equipotential operation of a power system; and the device is particularly applicable to operation such as replacement of a damper, repair of a lead and heating treatment of an anti-tension drainage wire joint on the same-pole tower two-circuit (multi-circuit) tower.

The present invention discloses a 3D panoramic camera with a built-in stabilizer, and relates to a panoramic camera. At present, a VR panoramic camera has the disadvantages of great difficulty in later-stage quilting, huge volume and unstable image. The present invention comprises an optical information acquisition sensing module and a stabilizer module, wherein the optical information acquisition sensing module comprises a lens mounting base and a plurality of lenses, the lens mounting base is cylindrical, the lenses are circumferentially and uniformly provided on an outer side of the lens mounting base, an inner chamber of the lens mounting base is a motor holding chamber, and the stabilizer module comprises a first motor, a second motor, a third motor and a stabilizer frame body, the second motor and the third motor are provided in the motor holding chamber within the lens mounting base, the first motor is located below the lens mounting base, and the first motor, the second motor and the third motor are connected with the lens mounting base through the stabilizer frame body to realize motion transmission. In this technical solution, the stabilizer is built-in, the volume is small, the workload of post-production is decreased and the difficulty in post-production is reduced.

A laser radar comprising a laser emitting module, a beam splitting module, a scanning module and receiving modules, wherein there are a plurality of receiving modules, the scanning module correspondingly forms a plurality of sub-scanning fields of view respectively with the plurality of receiving modules, the plurality of sub-scanning fields of view form a total field of view of the laser radar byfield-of-view splicing; and the exiting position of the laser beam corresponding to the adjacent sub-scanning fields of view on the scanning module satisfies a preset distance condition. In the invention the laser radar for splicing a plurality of sub-scanning fields of view only needs to modify the structure of the laser radar to a small extent to limit that the exiting position of the laser beam corresponding to the adjacent sub-scanning fields of view on the scanning module meets the preset distance condition, thereby, without affecting the performance of the laser radar, avoiding/reducingthe large increase in the safety distance due to the overlapping area between adjacent sub-scanning fields of view.

A circuit board comprises at least one mounting hole for coupling a weld screw. At least one notch for receiving solder is formed in an inner wall of the mounting hole.

A method for acoustically sensing an area is described. An acoustic transmit pulse is transmitted into the area by an acoustic transducer and a received signal is acquired with the aid of the transducer, in order to receive the transmit pulse reflected back from the area. Within a post-pulse oscillation time of the transducer, which directly follows the emission of the transmit pulse, the actual phase response of the received signal is determined. In the event the actual phase response deviates from a predefined setpoint phase response, an object is detected within the area. Also described is a device for acoustically sensing an area, which is designed to carry out the method.

The invention discloses a high-pressure and ultrahigh-pressure hydrogen storage bottle type container and a manufacturing method thereof. The manufacturing method comprises the following steps that asteel ingot with the S content not larger than 0.008% and the P content not larger than 0.015% is formed into a seamless steel pipe through hot rolling (expanding) or hot rolling and cold drawing; twoends of the seamless steel pipe are subjected to hot spinning to form hemispherical seal heads at the two ends; and the bottle body of the hydrogen storage bottle type container is subjected to quenching and tempering heat treatment, so that the metallographic structure of the bottle body is two-stage tempered sorbite (GB/T11354), and the grain size is not lower than grade 6. The manufacturing method of the high-pressure and ultrahigh-pressure hydrogen storage bottle type container is large in hydrogen storage capacity, long in service life, high in pressure bearing capacity, low in manufacturing cost, capable of preventing the hydrogen embrittlement phenomenon and convenient for regular inspection.

The invention relates to the technical field of new energy automobiles, and particularly discloses an electric drive system and an automobile. According to the inverter cooling water channel of the electric drive system, the inverter assembly and one part of the motor assembly are cooled in parallel, and then the other part of the motor assembly is cooled in series, so that the cooling water channel of the electric drive system is wholly shortened, and the flowing resistance of cooling liquid is reduced. The motor assembly and the inverter assembly are integrated in the radial direction, the motor assembly and the inverter assembly share a cooling water channel, the overall height of the electric drive system in the radial direction is reduced, the motor assembly and the speed reducer assembly are integrated in the axial direction, and the axial length of the electric drive system is reduced; the motor assembly and the inverter assembly share the cooling water channel, so that the cooling water channel of the electric drive system is shortened, the use of fastening parts, sealing parts and the like for connecting the cooling water channel of the inverter and the cooling water channel of the motor is reduced, and the risk of leakage of cooling liquid is reduced; in addition, the cooling water channel of the electric drive system can cool the speed reducer assembly at the same time.

The invention discloses a movable intelligent following stable-shooting virtual reality video acquisition system and relates to a video collection system. At present, the experience quality of a virtual reality video acquisition system is poor, and the safety distance of the virtual reality video acquisition system is long. The movable intelligent following stable-shooting virtual reality video acquisition system comprises a three-axle stabilizer module, a three-dimensional video acquisition module, a frame body and an intelligent following module; the intelligent following module is connectedwith the three-axle stabilizer module; the three-axle stabilizer module comprises a course motor, a rolling motor and a pitching motor; the course motor is connected with a vertical first frame bodythrough a first connecting component; the rolling motor is connected with the first frame body; the rolling motor is connected with the pitching motor through a second connecting component; the pitching motor is connected with a transverse second frame body through a third connecting component; the three-dimensional video acquisition module comprises multiple video acquisition devices; and the pitching motor is positioned in a video acquisition device array enclosed by the multiple video acquisition devices. According to the movable intelligent following stable-shooting virtual reality video acquisition system in the technical scheme, the pitching motor is arranged in the video acquisition device array, and therefore small safety distance and making quality are both taken into consideration.

An apparatus for controlling an automated installation has a first controller and a second controller that are connected to one another via a communication network. The first and second controllers each have a local clock and execute control tasks. The first and second controllers each further have a synchronization service that is used to synchronize the respective local clocks to a common reference clock. A timer repeatedly sends a trigger message to the first and second controllers. Each of the two controllers, on receiving the trigger message, determines a local time. The controllers interchange the respective local time and each compute a difference between their own local time and the local time obtained from the other controller. On the basis of the difference, each of the two controllers controls a local actuator.

The invention provides a movable explosive magazine with a favorable anti-explosion performance aiming at the defect of a poor anti-explosion performance of a movable explosive magazine in the prior art, and belongs to the technical field of explosives storage facilities. The movable explosive magazine with the favorable anti-explosion performance comprises a bottom pit located on the ground, andan explosive magazine body partially embedded into the bottom pit, wherein a space, used for storing explosives, in the explosive magazine body is located below a shallow ground; an access is arrangedat the position, located above the shallow ground, on the explosive magazine body; an anti-explosion door is arranged on the access; a sandbag pile arranged around the explosive magazine body is piled on the outer side of the explosive magazine body; and a channel is left at the position, on the side surface of the sandbag pile, of the anti-explosion door. The movable explosive magazine with thefavorable anti-explosion performance provided by the invention has the favorable anti-explosion performance, and a required safety distance can be effectively shortened, so that the movable explosivemagazine with the favorable anti-explosion performance provided by the invention can be used in a small-scale site.

The invention discloses a novel dry type small-size high voltage rectification transformer structure which comprises a high-voltage package, a low-voltage package coupled with the high-voltage package and a transformer magnet core arranged in the low-voltage package. The high-voltage package comprises at least two high-voltage sub-line packages which are respectively coupled with the low-voltage package. The high-voltage package further comprises at least two rectification circuits respectively connected with the high-voltage sub-line packages. The output ends of the rectification circuits are connected with one another in series. The rectification circuits rectify high-frequency voltage generated by the high-voltage sub-line packages, and then are overlapped in series and output the high-frequency voltage. The novel dry type small-size high voltage rectification transformer structure can improve the insulativity and the safety of transformers and can shrink the size of the transformers, brings convenience to the arrangement by workers, is stable and safe in work, and is especially suitable for requirements of large-power equipment.

The invention relates to a quick connection device for a high voltage wire connector, which comprises a socket and a plug, wherein three electrodes are arranged on the socket. The quick connection device for a high voltage wire connector is characterized by further comprising an insulating tube. The socket contains an insulator, and the three electrodes are injected into the insulator. One end ofthe insulating tube is connected with the inner end of the insulator, and the other end is sheathed with a flange. Three outer conductive rings are evenly distributed between the insulating tube and the closed end of the insulator. The outer conductive ring is respectively connected with the three electrodes. The plug contains a cable consisting of three conductors and an insulating sleeve. Insulating oil exists between the insulating sleeve and the insulating pipe. The inner end of the insulating sleeve is provided with an insulating cover, and the insulating cover is covered with three innerconductive rings. The inner ends of the conductors respectively correspond to and are connected with the inner conductive rings. The inner conductive rings on the outer circle of the insulating coverrespectively correspond to and contact with the outer conductive rings in the insulator. The outer side of the flange is provided with a locking mechanism. The quick connection device for the high voltage wire connector has the advantages of short safe distance, less occupied space and convenient operation, and is suitable for fast connection of 100 to 300KV high voltage connectors.