39results about How to "Reduced risk of failure" patented technology

The invention discloses an intelligent dispatching method, a device and a system of content delivery network flow. The intelligent dispatching method comprises: receiving a domain name resolution request which is sent by a local DNS through a subdomain which is provided by a website domain authority DNS; according to the domain name resolution request, obtaining the IP address of the local DNS; utilizing the IP address to indentify the geographic location of the local DNS and network service provider ISP information; according to the geographic location and the ISP information, selecting a CDN service provider on the basis of a preset rule; sending a domain corresponding to the name of the selected CDN service provider to the local DNS. The invention builds an intelligent dispatching center between the existing CDN network frame and an operator website; when accessing the network of the operator, a netizen selects a proper CDN service provider according to the preset rule. The invention ensures that the operator can flexibly replace the existing CDN service provider so as to lead the operator to obtain CDN service with better cost performance.

A system for triggering and inserting a neutron absorber and / or mitigator (2) in a fissile area of a nuclear reactor is disclosed. The trigerring and inserting system is intended to be mounted in a nuclear fuel assembly wherein there flows a coolant. The system comprises a capsule (10) provided with holding means (11) for securing the absorber (2) in a non-inserted position; a stop surface (24) forming means for locking the holding means (11); and a thrust surface (26) forming means for releasing the absorber. The surfaces are carried by a control head (18). A collet (19) expands longitudinally differentially with regard to the capsule (10) under the effect of an increase in the temperature of the coolant and moves the surfaces (24, 26) such that the stop surface is moved away from the holding means at the normal operating temperature of the reactor, and the thrust surface (26) releases the absorber at a threshold temperature.

The invention discloses a launch method, a launch self-control method, and a launch control system for a carrier rocket. The launch method comprises: sending a preparatory command ignition instructionto a to-be-launched rocket, to make an engine of the to-be-launched rocket execute preparatory command ignition; obtaining preparatory command ignition working state information of the engine, and selecting launch operation according to the working state information; when the engine reaches a preparatory command state, sending a main command ignition instruction to the to-be-launched rocket. Thelaunch method for a carrier rocket can make a take-off process of a rocket controllable, prevents launch faults of the rocket in an engine cold state stage which has highest risk, so as to improve launch success rate of the carrier rocket.

The invention relates to a flow measurement camera shooting unmanned aircraft. The flow measurement camera shooting unmanned aircraft comprises an unmanned aircraft body; the unmanned aircraft body comprises an aircraft body; a battery, a satellite navigation device and a wireless control device are mounted in the aircraft body; horizontal wings are respectively arranged on two sides of the aircraft body; the end parts of the horizontal wings respectively extend forwards and backwards to form side wings; two coaxial driving motors in the vertical direction are mounted at the end parts of each side wing; output shafts of the two driving motors are arranged reversely; propellers are mounted on a rotating shaft of each driving motor; each driving motor is connected with the battery as well as the wireless control device; a radar frame is mounted at the bottom of the aircraft body; a video transmission device is mounted on the radar frame; a flow measurement radar and a camera shooting device are suspended at the bottom of the radar frame; the video transmission device, the flow measurement radar and the camera shooting device are all connected with the battery and the wireless control device; folding undercarriages are respectively arranged at the connecting positions between the aircraft body and the wings.

The invention discloses a converter valve TVM plate heating prediction method, system and device and a medium, and relates to the field of DC power transmission control protection. The method comprises: obtaining a TVM plate temperature data model in a valve hall region according to a preset time interval; obtaining a screening model in the valve hall area according to a preset time interval, analyzing the screening model by adopting data correlation, and establishing a temperature prediction model; dividing the temperature prediction model into a training data set and a verification data set,and training the temperature prediction model; and analyzing and judging the temperature prediction model in combination with the TVM board temperature data model, continuously operating monitoring under normal conditions, and giving an abnormal alarm under abnormal conditions. The invention has the advantages that by predicting the heating of the TVM board, abnormal heating of the TVM board canbe found in advance when the temperature of the TVM board is not high, hidden danger of equipment can be found in advance and eliminated, and the risk of faults of a direct-current power transmissionsystem is reduced.

The invention relates to a portable bicycle, which is characterized in that a bicycle seat frame is arranged on a lower bicycle frame; the portable bicycle comprises a bicycle seat, a seat rod, a rear upper fork and a rear upper fork frame; the lower end of the seat rod is connected with the front end of a front wheel accommodating groove of the lower bicycle frame through a seat rod shaft; the bicycle seat is arranged at the upper end of the seat rod; the upper end of the rear upper fork is connected with the seat rod through a rear upper fork shaft; the rear upper fork frame is fixedly connected with the rear end of the front wheel accommodating groove on the lower bicycle frame; a front bicycle frame, the seat rod, the lower bicycle frame and the rear upper fork are respectively made of two rectangular parallel flat plates which are arranged symmetrically, so that a front bicycle wheel and a rear bicycle wheel are inserted in a gap between the parallel flat plates when the bicycle body is folded, therefore the volume of the folding bicycle is largely reduced. On the condition of adopting a bicycle wheel with a diameter of 10 inches, the folded size of the portable bicycle disclosed by the invention is 64 cm * 25.4 cm * 9.5 cm; and the portable bicycle has the advantages of light weight, high folding speed and convenience and safety for riding.

The invention relates to a touch internal full-closed-loop control LED dimming drive circuit and aims to provide a novel full-closed-loop control strategy to fully avoid deviations and substantially realize true LED constant current. The touch internal full-closed-loop control LED dimming drive circuit comprises a data storage circuit, an input circuit, a master control computing circuit and a self-calibration circuit. The touch internal full-closed-loop control LED dimming drive circuit has the function of opening and short circuit protection for an Rcs sampling resistor. The touch internal full-closed-loop control LED dimming drive circuit is applicable to LED drive power sources.

The invention relates to a coupler mounting structure, wherein the coupler has a fixed end connected with a vehicle and a movable end engaged with a coupler of an adjacent vehicle; the fixed end of the coupler is used for connecting with the vehicle bogie, and the coupler mounting structure has a support device movable along the track, one end of the support device adjacent to the bogie is rotatably connected with the bogie in at least a vertical direction, the support device has a support plate supported by vertical elastic support, and the coupler falls on the support plate to be supported.The coupler mounting structure of the invention is particularly suitable for hanging empty rail trains. As that couple is mounted on the bogie, as that whole bogie is not exposed in the rail beam, thecoupler is not easy to be enter by rain and dust, is not easy to rust, is not stuck by the coupler due to too much dust, greatly reduces the risk of failure of the coupling mechanism, thereby improving the operation safety of the vehicle, and the upper part of the locomotive head is free from the exposure of the coupler, and the overall appearance is beautiful.

The invention relates to a container (1) for a viscous liquid, in particular a colorant for paint, comprising a stirrer (2) having a rotatable shaft (3) and a plurality of paddles (4) connected to theshaft (3). At least one of the paddles (4) and / or the connections (5) between the paddles (4) and the shaft (3) is flexible.

The invention provides a mobile terminal, which comprises a display screen and a shell, wherein the display screen is assembled to the shell; the shell comprises a body and a baffle; the surface of the body is provided with at least one through hole; and the baffle is movably connected with the body and covers the through hole. When the mobile terminal carries out heat dissipation, the baffle is controlled to move to expose the through hole, and therefore, heat generated by components and parts in the mobile terminal circulates with external air. The invention also provides a heat dissipationmethod. Through the mobile terminal and the heat dissipation method provided by the invention, on the basis of guaranteeing heat dissipation requirements, an amount of dust which enters the mobile terminal is reduced, and the service life of the mobile terminal is prolonged.

The invention relates to pneumatic closure of ground yarn transportation into winding bobbin, and a winding unit and an automatic winder. Specifically, the invention relates to a method for carrying out the final phase of the ground yarn feeding, i.e., for transporting a ground yarn (29) from an area which is near an empty tube of a winding bobbin (5) of a winding unit (1) of an automatic winder and where the ground yarn cannot be unceasingly and directly processed to an area where that the ground yarn (29) is connected with the empty tube of the winding bobbin (5) is achieved directly by an operator or an automatic device such as a service unit of the automatic winder. The method is characterized in that the final phase of the ground yarn feeding is achieved by the rotation of a friction roller (34) which can be brought in frictional engagement with the winding bobbin (5) or by the rotation of the winding bobbin (5) or by the rotation of these two elements. However, the invention also relates to a winding unit (1) of an automatic winder or an automatic winder having a winding unit (1), characterized in that a control of the winding unit (1) or the automatic winder is configured to carry out such a method.

The invention relates to a storage and mixing device for bone cement with a pressure pump, specifically to a storage and mixing device for two-component polymethyl methacrylate bone cements having a cartridge with a cylindrical interior. The invention further relates to a method of using the parental components of the storage and mixing device for bone cement with a pressure pump, specifically to a storage and mixing device for two-component polymethyl methacrylate bone cements.

The invention discloses a battery pack tray and a battery pack. The battery pack tray comprises two side beams which are oppositely arranged, and each side beam is internally provided with a cavity; at least one side beam is provided with a water absorption assembly, and the water absorption assembly comprises a water conveying piece and a water absorption piece; the cavity is filled with the water absorption part, the water conveying part is communicated with the cavity, and the water conveying part is configured to guide liquid in a battery pack into the cavity. According to the battery pack tray provided by the embodiment of the invention, when moisture exists in the battery pack tray, the moisture enters the cavities of the side beams through the water conveying pieces, and the water absorbing pieces in the cavities can play a role in absorbing and storing water, so that the moisture in the battery pack is reduced, and the risk of faults caused by short circuit of the battery pack is effectively reduced; and the use safety of the battery pack is improved.

The invention relates to equipment for testing a clutch orienting device, wherein the equipment comprises a transmission liquid inlet combined part, a transmission liquid discharge combined part, a drilling rod power simulation mechanism, a drilling tool load simulation mechanism and a fluid motion simulation mechanism; the transmission liquid inlet combined part is connected with a shell of the clutch orienting device; the transmission liquid discharge combined part is connected with a cylinder body of the clutch orienting device; the drilling rod power simulation mechanism applies forward torque to the shell through the transmission liquid inlet combined part and drives the shell and the cylinder body to rotate around the central axis where the shell and the cylinder body coincide; the drilling tool load simulation mechanism is used for applying reverse torque to the cylinder body through the transmission liquid discharge combined part; and the fluid motion simulation mechanism is connected with the transmission liquid inlet combined part and the transmission liquid discharge combined part, and can control the on-off state of a hydraulic control switch by means of the transmission liquid inlet combined part and the transmission liquid discharge combined part. According to the equipment for testing the clutch orienting device, the problem that the clutch orienting device is difficult to test before well drilling is solved, the risk that the clutch orienting device breaks down underground is reduced, and well drilling efficiency and the success rate can be improved favourably.

The invention relates to a discharge lamp (1) and a method for producing a discharge lamp, wherein a resin layer (38, 40) is present between a piston shaft (6, 8) of a discharge vessel (2) and a base (10, 12) placed thereon.

The invention provides an air source module and an anesthesia machine provided with the same. The air source module comprises a body portion, a first valve core, a second valve core, a first spring and a second spring, wherein the body portion is provided with an air outlet channel, a first air inlet channel and a second air inlet channel, the first air inlet channel and the second air inlet channel are arranged in a spacing mode and communicated with the air outlet channel respectively. The first valve core is arranged between the first air inlet channel and the air outlet channel, and the second valve core is arranged between the second air inlet channel and the air outlet channel. The first spring abuts against the first valve core to push the first valve core towards the first air inlet channel so as to separate the first air inlet channel and the air outlet channel, the second spring abuts against the second valve core to push the second valve core towards the second air inlet channel so as to separate the second air inlet channel and the air outlet channel. The air source module is provided with the first air inlet channel, the second air inlet channel and two air source inlets, wherein the two air source inlets can be used alternatively.