156results about How to "Does not affect delivery" patented technology

The invention discloses an air positive electrode constructed by conductive gel particles and a lithium air battery. The air positive electrode is characterized by being of a full-solid structure and comprising particles with arbitrary shapes, wherein the particles are prepared from conductive gel, gaps are formed among the particles, electrons and ions can be simultaneously conducted by conductive gel, and the size range of the particle sizes of the particles is 10-500 microns; the particles are stacked to form a laminated structure, and the thickness of the laminated structure is 50 microns to 5 millimeters. A battery cell of the lithium air battery is of a multi-layer winding type structure or a multi-layer laminating type structure and is formed by winding and laminating a plurality of repetitive units, and each repetitive unit comprises the air positive electrode. A rapid gas dispersion channel is formed in the air positive electrode and can be prepared to be relatively thick, so that the problem that oxygen is difficult to diffuse is effectively solved, and the air positive electrode can be truly input into actual application.

The invention provides a high-voltage side gate drive circuit capable of resisting noise interference. The high-voltage side gate drive circuit comprises a high-voltage level shift circuit, a differential-mode noise elimination circuit, an RS trigger and an output drive level circuit, wherein a low-side pulse signal is converted into a high-voltage pulse signal for output through the high-voltage level shift circuit; a common mode noise elimination circuit is connected between the output of the high-voltage level shift circuit and the input of the differential-mode noise elimination circuit; the common mode noise elimination circuit is used for eliminating a common mode noise signal generated in application; and the differential-mode noise elimination circuit eliminates the differential-mode noise introduced by process variations, outputs a normal pulse signal, reduces the normal pulse signal into a normal square signal through the RS trigger, outputs the square signal from the output drive level circuit and drives an external high-side power tube.

The invention discloses a heat insulation pipe body. The heat insulation pipe body comprises a pipe body single body and a connecting mechanism, wherein the pipe body single body comprises an inner pipe, a middle pipe and a heat insulation single pipe; the inner pipe, the middle pipe and the heat insulation single pipe are sequentially arranged from inside to outside in a sleeved mode; the heat insulation single pipe is a detachable pipe body and comprises a left heat insulation single pipe and a right heat insulation single pipe, and splicing grooves are both formed in the head end of the left heat insulation single pipe and the tail end of the right heat insulation single pipe; and a sliding splicing pressing block is arranged on the head end splicing groove, and a heat insulating cavitywith a circular-ring-shaped section is arranged in the heat insulation single pipe. According to the heat insulation pipe body, a multi-medium simultaneous conveying multi-layer heat insulation pipeis adopted, so that multiple purposes of one pipe can be realized; the detachable heat insulation single pipe is adopted, so that the disassembly is convenient, only the damaged needs to be disassembled and replaced, and the disassembly cost is saved; a heat insulation cavity separation reaction heat-reduction device is adopted, can be used for carrying out a preferential reaction on the differentheat environments when conveying is performed by the pipe body so that an object to be conveyed can be more conveniently prevented from being affected by the temperature; and moreover, the pipe bodycan be replaced more conveniently.

The invention discloses a spray head heat-dissipating device for a 3D printer. The spray head heat-dissipating device for the 3D printer comprises a heat-dissipating mechanism, a material guide pipe, a heat-insulating mechanism, a heating block and a spray head which are detachably connected with one another sequentially from top to bottom and are arranged coaxially; the heat-insulating mechanism comprises an upper pipe, a middle pipe and a lower pipe; the heat-dissipating mechanism comprises a heat-dissipating pipe, a rotating sheet and a groove; the upper pipe is inserted into the groove to be spirally connected with the heat-dissipating pipe; a shrink mouth is formed at one end, far away from the heat-insulating mechanism, of the heat-dissipating pipe; the upper end of the material guide pipe adheres to the shrink mouth; the lower end of the material guide pipe abuts against the upper surface of the middle pipe; an accommodating groove is formed in the upper surface of the heating block; a through hole is formed in the lower surface of the heating block; the lower pipe is inserted into the accommodating pipe to be spirally connected with the heating block; one end of the spray head is inserted into the through hole to be spirally connected with the heating block; an air supply mechanism comprises an air supply cover, a fan, a nozzle, a plurality of exhaust holes, an exhaust branched pipe and an exhaust main pipe; and the exhaust main pipe communicates with the nozzle. The spray head heat-dissipating device for the 3D printer has the beneficial effects of reducing and diffusing heat transmitted to the heat-dissipating pipe and effectively promoting rapid formation of materials extruded from the nozzle through the air supply mechanism.

The invention discloses a pipeline defect scanning device. The scanning device comprises four flexible shaft driving units, a scanning track adjusting mechanism, a permanent magnetic adsorption mechanism and an adjustable probe mechanism, wherein each flexible driving unit consists of a motor, a flexible shaft, a flexible shaft sleeve, a vehicle wheel group and a coupler; the scanning track adjusting mechanism consists of four vehicle wheel groups and a connecting plate; the permanent magnetic adsorption mechanism consists of two permanent magnet groups with opposite polarities and an armature; the magnetization directions of the magnets are perpendicular to the axis direction of a pipeline; the adjustable probe mechanism is a secondary adjusting mechanism, and a flat probe is used. A peripheral magnetization method is adopted for the device, and the longitudinal defects of the pipelines can be detected; the adjustable flat probe can be adaptive to the scanning of pipelines with multiple specifications; the device is adjustable in scanning track, novel in drive mode, compact in structure, small in size, light in weight, and can be widely applied to the defect scanning of pipelines.

The invention discloses an ultrasound knife control device and a minimally invasive surgery robot. The minimally invasive surgery robot comprises an opening and closing drive portion, a rotating drive portion, an energy conversion portion, a lead screw, a bushing and a guide rod, wherein the busing sleeves the lead screw; the opening and closing drive portion controls the opening and closing angle of a knife head of an ultrasound knife; the rotating drive portion drives the knife head of the ultrasound knife to rotate around the axial extension line of the bushing; an energy converter in the energy conversion portion transfers energy to the knife head of the ultrasound knife through the guide rod and the lead screw. The technical problem that the control device for the ultrasound knife of the minimally invasive surgery robot in the prior art is poor in flexibility in controlling the ultrasound knife is solved.

The method for separating two ports includes such steps as user port restriction module of restricting down going broadcasting is added to FPGA on VLAN service board; with down going packets from main control board being received by service board, user port restriction module determines whether the packet is broadcasting packet (discarded) or other packets (passing). The invention is capable of turning broadcasting field off to realize isolation between users, and raise safety. Down going broadcasting is prohibited. Thus, communication speed in network is raised.

The automatic aligning device of printer includes one printing medium entering passage, one signal receiver set below the passage and with lower paper twisting wheel set and aligning light sensitive tube, one lower platform for the transmitting fiber, one upper paper twisting wheel set, one driving gear in the end of the lower paper twisting wheel set, one power transmitting belt driving the driving gear and one motor. It features the upper paper twisting wheel set on the movable carriage separated from the bottom frame, the balls in the slot on the bottom frame and the movable carriage connected to the elevating paper stopper. The present invention may be used to align and feed various printing mediums of different materials, different sizes and different thickness to ensure high printing quality and precision.

The invention discloses a high-temperature resistant centrifugal fan, comprising a fan body, a driving group, a rotary joint and a cooling medium collector, wherein the fan body comprises an enclosure, a wind inlet, an impeller, a hub, a wheel disc and a wind outlet; the driving group comprises a main shaft and a belt wheel; the rotary joint is provided with a cooling medium inlet and a rotary joint seal; the main shaft is in a hollow structure, one end of the main shaft is connected with the hub of the impeller, and the other end of the main shaft is connected with the rotary joint; a core pipe is arranged inside the main shaft; an annular cavity is formed between the main shaft and the core pipe; the hub is in a hollow structure, and a hollow cavity is formed in the hub; the joint between the main shaft and the hub is provided with a cooling medium path; and the cooling medium enters the core pipe from a cooling medium inlet positioned on the rotary joint and is introduced into the hub via the cooling medium path to be cooled. According to the high-temperature resistant centrifugal fan disclosed by the invention, the fan can bear 1000-DEG C high-temperature gas delivery due to the hollow structures of the main shaft and the hub and the cooling of the cooling medium.

The invention relates to the field of gas pipeline fire retardance and discloses a high-safety pipeline flame damper. The high-safety pipeline flame damper comprises a first fire retardance shell anda second fire retardance shell which are in flange connection. A fire retardance core disk is fixedly sleeved inside the joint between the first fire retardance shell and the second fire retardance shell. The outer edge of the fire retardance core disk is provided with a plurality of small channels. The middle portion of the fire retardance core disk is movably sleeved with a linkage shaft. One end of the linkage shaft is fixedly connected with a first baffle located on one side of a gas delivery pipeline in the first fire retardance shell. According to the high-safety pipeline flame damper, through the structural design the fire retardance core disk and a limiting gas delivery sleeve movably sleeved in the second fire retardance shell, the whole limiting gas delivery sleeve has tendency to move towards the fire retardance core disk under a normal state; when backfire occurs, flames go into the fire damper from the first fire retardance shell and are divided into a lot of fine flame flow by the small channels of the fire retardance core disk and then are extinguished without affecting continuous delivery of the flames.

The invention discloses a rapid tractor hanging and connecting device with a power output function. The rapid tractor hanging and connecting device is characterized in that the hanging and connectingdevice comprises a hanging and connecting device primary machine and a hanging and connecting device secondary machine, the hanging and connecting device primary machine is provided with a primary machine upper hook and a primary machine lower hook, the primary machine upper hook is connected with a tractor through a main hydraulic cylinder, the primary machine lower hook is connected with a lowersupport of the tractor, the hanging and connecting device secondary machine is connected with a farm tool, the farm tool is provided with a farm tool gearbox, the farm tool gearbox is provided with agearbox input shaft, a secondary machine upper hook is connected with the primary machine upper hook, the primary machine lower hook is connected with a lower supporting rod through a looking device,and the gearbox input shaft is connected with a tractor power output shaft. When the device works, separation of the lower supporting rod can be prevented by the locking device, and separation of thesecondary machine upper hook and the primary machine upper hook can also be prevented by the locking device. When the main hydraulic cylinder extends and retracts, the working height of the farm toolon the hanging and connecting device secondary machine can be adjusted, the primary machine upper hook are provided with a plurality of through holes for connecting with the main hydraulic cylinder,and the adjusting range of the working height of the farm tool can be widened.

The present invention provides a method and a chip for message processing of a layer 3 next-hop independent of a layer 2 forwarding table, wherein the method comprises: S1, receiving a message; S2, performing a layer 3 editing for forwarding; S3, determining whether an FDB can be found via a destination MAC and VLAN; S4, if the FDB is found, performing layer 2 forwarding of the message; and if the FDB is not found, performing layer 2 broadcast of the message in the VLAN. Layer 3 forwarding information is enabled to be independent of the layer 2 forwarding information via the chip loopback function, and changes of layer 2 forwarding information are not allowed to affect the issue of the layer 3 forwarding information, to improve the forwarding quality of layer 3 services.

The invention provides a special dip blanching and feather picking production line for slaughtering poultry. The production line can be used for carrying out feather blanching and feather picking operations on the slaughtered poultry bodies, has the advantages of high efficiency, high reliability and low use cost, and is clean and hygienic. The boiling water feather blanching device comprises a boiling water tank, a plurality of poultry hanging racks which are moveably arranged on a track, and a transmission belt for driving the poultry hanging racks to travel along the track. The feather picking device comprises a box body with two open ends and a driven wheel arranged outside the box body, wherein two side walls of the box body are provided with a plurality of feather removers through bearings; each feather remover comprises a brush tray arranged inside the box body; a brush rod is arranged on the brush tray; the brush tray is connected with the driven wheel through a rotating shaft; and the driven wheel is connected with a power unit in a drive mode. The track above the boiling water tank is bent downwards to form a lower track matched with the boiling water tank; the lower track has the height capable of enabling the poultry hanging racks to be integrally immersed in the boiling water tank; and the track on the upper end of the box body has the height capable of enabling the integral poultry hanging racks to pass through the box body.

The invention discloses a multi-dimensional optical tweezers calibration device and method based on electric field quantity calibration, and provides a one-dimensional electric field calibration device to realize three-axis electric field force calibration of particles by utilizing the polarization dependence characteristic of a tight focusing light trap. According to the method, a particle electric field force calibration system is compatible with a particle delivery and particle detection system; the complexity of the device is simplified, and the calibration complexity is weakened.

The invention discloses a benzophenone purity reference material and a preparation method thereof, and relates to analysis and test of a photoinitiator used in various packaging materials, wherein thebenzophenone purity reference material can be used as a reference material in food packaging, cigarette packaging, workshop air detection and other tests. The preparation method of the benzophenone purity reference material comprises the following steps: (1) purification of a crude product of benzophenone; and (2) evaluation of a certified value and uncertainty of the benzophenone purity reference material. The benzophenone purity reference material provided by the invention has good stability under a storage condition of 0 DEG C, accurate certificating method, reliable traceability and relatively small synthesis uncertainty (0.1%-0.3%), can solve a problem that a current test method cannot trace a quantity value, can improve comparison consistency of test results of various units, and fills a blank of development of the benzophenone purity reference material at home and abroad.

The invention discloses a method and device for putting a cross-screen advertisement. The method comprises: putting a pre-movie advertisement on a TV-end APP, and displaying a two-dimensional code ata lower end of the pre-movie advertisement; receiving the scanning of the two-dimensional code by a user via a mobile terminal APP, wherein after the two-dimensional code is scanned, the TV-end APP directly imports the pre-movie advertisement into a browser, and plays a video in the pre-movie advertisement in a small pop-up window or picture-in-picture manner, wherein the browser receives a clickor input of the pre-movie advertisement by the user, and thus switches to a advertiser website, and after completing the website address or website display on the advertiser website, the video is directly played on the TV-end APP in a full-screen manner.

The invention discloses a humidifier for laboratory equipment, and relates to the technical field of humidifying equipment. An annular rail is fixed to a ceiling board, a first sliding groove is formed in the outer ring wall of the annular rail, and a first rolling wheel is arranged in the first sliding groove in a rolling mode; a second sliding groove is formed in the inner ring wall of the annular rail, and a second rolling wheel is arranged in the second sliding groove in a rolling mode; a box body is arranged below the annular rail; a first motor is fixed to the outer side of a top plate of the box body; a first rotating shaft is fixed to an output shaft of the first motor, and the top end of the first rotating shaft is fixed to the middle of the bottom of the first rolling wheel; and the inner side of the top plate of the box body is connected with a second rotating shaft through a bearing in a screwing mode, and the top end of the second rotating shaft is connected with the middle of the bottom of a second rolling wheel through a bearing in a screwing mode. A laboratory can be fully, uniformly and quickly humidified, the use of a water tank and the delivery of water are not influenced, and the practicability is improved; and the humidifier can be moved away in time after humidification is completed, the space of the laboratory is not occupied, and use of the laboratory is not affected.

This invention refers to a signaling message transfer device and method for transmitting/receiving message for transferring signaling message between signaling points of No 7 signaling system. Said invention leads the logic network concept in original No 7 signaling message process device, developing the definition of logic network indication language and process software, making one signaling point in No 7 signaling network support plurality of networks through combination of logic network indication language and signaling point coding, breaking the limit of there are only sixteen signaling links of adjacency signaling point and limited signaling point coding resource in current communication network to increase communication network capacity and loading ability.

A photoinitiator mixed solution standard material and a preparing method thereof are disclosed. The standard material is a standard solution containing 18 photoinitiators, with the definite concentration value and corresponding combined standard uncertainty of each photoinitiator meeting related standard requirements. The method includes (1) purifying 18 photoinitiator crude products; (2) evaluating definite values and uncertainty of the purified products; (3) preparing a mixed solution standard of the 18 photoinitiators; and (4) evaluating definite values and uncertainty of the mixed solutionstandard material of the 18 photoinitiators. The photoinitiator mixed solution standard has good stability during storage at 0 DEG C, a definite value evaluating method is accurate, source tracing isreliable, and relative combined uncertainty is low (0.5-2.0%). The photoinitiator mixed solution standard material can overcome a problem that testing methods at present cannot achieve metrological traceability, increases comparison consistency of each unit testing result, and fills the gap of development of photoinitiator mixed solution standard materials at home and abroad.

The invention discloses an automatic quantitative sampling connector for a pipeline fluid. The automatic quantitative sampling connector comprises a connecting pipe, wherein a sealing groove is formedin the inner wall of the connecting pipe, a sampling pipe is inserted into the groove bottom part of the sealing groove in a sealed and sliding mode, a sealing plate is installed at the end, locatedin the sealing groove, of the sampling pipe, a liquid discharging cavity is formed in the sealing plate, and a plurality of liquid discharging holes communicating with the liquid discharging cavity are formed in the side wall, close to the sealing groove, of the sealing plate. A sealing pipe and a sealing plug are used for slotting and sampling in the connecting pipe, non-stop sampling is achieved, fluid conveying is not affected, single-time rotating automatic quantitative sampling is achieved through pressure of fluid on the sealing plate, the sealing pipe and a sampling bottle and guiding of a sliding column and a quantitative sampling groove, and the automatic quantitative sampling connector is more convenient and more reliable.