60results about How to "To achieve the effect of isolation" patented technology

The invention discloses a hollow liquid-cooled light-emitting diode (LED) lamp. The hollow liquid-cooled LED lamp comprises an LED substrate light source which consists of an LED light source and an LED substrate, a substrate seat, an external light distributing cover and an internal sealing cover, wherein the internal sealing cover is arranged on the top of the substrate seat; the inner surface of the internal sealing cover and the top of the substrate seat form a first sealing cavity; the LED substrate light source is sealed in the first sealing cavity; the external light distributing cover is arranged on the outer side of the substrate seat; and the outer surface of the external light distributing cover, the outer surface of the substrate seat and the outer surface of the internal sealing cover form a second sealing cavity which is filled with radiator liquid. The problem that the LED substrate is corroded by the radiator liquid can be solved by the embodiment of the invention.

The invention relates to a method for forming an air-isolated air curtain, which comprises the following steps of: a, respectively arranging a first air spraying device and a second air spraying device on two sides of the intersection of indoor and outdoor positions, and controlling an included angle between an air outlet direction of a first centrifugal fan and the horizontal plane to be more than that between an air outlet direction of a second centrifugal fan and the horizontal direction, wherein the first air spraying device comprises a first box body and the first centrifugal fan; the second air spraying device comprises the second centrifugal fan; and the included angles are set between 10 and 45 degrees; b, regulating the air outlet speed of the first centrifugal fan and the second centrifugal fan to be 12-16m/s and 20-26m/s respectively, wherein the air outlet speed of the first centrifugal fan is higher than that of the second centrifugal fan; and c, starting a first centrifugal motor and a second centrifugal motor to form the air-isolated air curtain. The formed air-isolated air curtain can effectively isolate the mixture of indoor and outdoor air so as to achieve the effects of keeping indoor cleanliness and isolating indoor and outdoor temperature difference, and the like.

The invention provides a port isolation and VLAN isolation switching method, which completes switching between port isolation and VLAN isolation flexibly and efficiently, enables a user to use more simply and more conveniently and is higher in work efficiency. The port isolation and VLAN isolation switching method comprises the steps that port isolation is performed, that is, VLANs of ports requiring port isolation are set to be different so as to enable the ports not to perform communication therebetween; VLAN isolation is performed, that is, VLANs of ports requiring VLAN isolation are set to be identical, so that the ports of the same VLAN can perform communication therebetween, and the ports of different VLANs cannot perform communication therebetween; when VLAN isolation is switched to port isolation, the VLANs of the ports requiring port isolation are changed from the same VLAN into different VLANs; and when port isolation is switched to VLAN isolation, the VLANs of the ports requiring VLAN isolation are changed from different VLANs into the same VLAN. The invention further provides an application of the method in an EPON terminal.

The invention relates to a broadband low-noise analog front end circuit for an optical fiber instant fracture detection system. The circuit comprises a photodiode, a transimpedance amplifier module, a gain control module, a bandwidth control module and a level movement module. The system also is equipped with an isolation module which is connected with the transimpedance amplifier module, the gain control module and the bandwidth control module. Compared with the prior art, the circuit has the advantages of large dynamic range, simple control, fast response speed, low noise and satisfaction of a nanosecond level demand of the optical fiber instant fracture detection system.

The invention relates to a fabricated cofferdam structure and a construction method. The fabricated cofferdam structure comprises a plurality of vertically arranged steel casings and at least one hanging box of an annular structure, the multiple steel casings are distributed along the annular contour of the hanging boxes, each hanging box comprises a plurality of cofferdam steel plates, the multiple cofferdam steel plates are divided into a plurality of groups, and the multiple cofferdam steel plates in the same group are mutually spliced and arranged between every two adjacent steel casings. The cofferdam steel plates are parallel to the axial direction of the steel casings, and connecting assemblies used for connecting the adjacent cofferdam steel plates or the adjacent steel casings are arranged on the two vertical side edges of each cofferdam steel plate correspondingly. A supporting assembly used for supporting and serving as a construction platform is arranged in each hanging box. According to the fabricated cofferdam structure, the waste of materials can be effectively reduced.

The invention relates to the technical field of garden maintenance equipment, and discloses a hand-held branch pruning machine for garden maintenance. The pruning machine comprises an installing box I, a handle fixedly sleeves one side of an inner cavity of the installing box I, and one side of the handle extends to the outer portion of one side of the installing box I; the outer wall of the handle is fixedly sleeved with a sleeve pipe located on one side of the installing box I, one end of the handle is fixedly connected with an installing plate located in the installing box I, and the top ofone side of the installing plate is fixedly connected with one end of a telescopic upper rod. According to the hand-held branch pruning machine for garden maintenance, by arranging the installing boxI, the handle, the sleeve pipe, the installing plate, the telescopic upper rod, a fixed box, a movable plate, a spring I and a partition plate, noises generated in the working process of a motor canbe isolated, by arranging the sleeve pipe, a user can conveniently hold the pruning machine by hand, and the user can be protected to avoid that the noises make the ears of the user uncomfortable.

The invention discloses a memory allocation method, device and system for a virtual machine. The method comprises the steps of dividing a reserved memory from a memory of a host machine, allowing a first process running on a virtual machine of the host machine to use the reserved memory, and allowing a second process running on the host machine to use other memories except the reserved memory; and when at least one virtual machine is created on the host machine, dividing a memory with a preset size from the reserved memory, and allocating the memory to the created virtual machine. The technical problem that the content of the virtual machine is occupied under the condition that the memory is insufficient is solved.

The invention discloses a focusing lens protecting device for a laser cutting machine and relates to the technical field of laser cutting machines. The focusing lens protecting device comprises a mounting base, wherein the mounting base is provided with a lens protecting mechanism through a slot; the upper surface of the mounting base is in sliding fit with a rotating ring through an annular sliding chute; one side of the mounting base is provided with a T-shaped groove; the T-shaped groove is in sliding fit with a T-shaped strip; a laminate is fixedly connected to the upper surface of the mounting base; a plurality of sector plates are rotationally connected to the upper surface of the laminate; and a cover plate is fixedly connected to the upper surface of the laminate. According to thefocusing lens protecting device disclosed by the invention, a rack on the mounting base is utilized to drive a gear ring to rotate and realize opening and closing between the sector plates; the effectof isolating a focusing lens is achieved, the protecting effect of the focusing lens is improved, and service life of the focusing lens is effectively prolonged; and meanwhile, the position of the rack is controlled by using an adjusting screw on the lens protecting mechanism, and the operations of changing protective lenses and opening and closing the sector plates are synchronously finished, and thereby the use convenience of the protecting device is improved.

The invention discloses flying-dust-free production and manufacturing equipment for PVC grinding powder. The flying-dust-free production and manufacturing equipment comprises a grinding mechanism, a powder grinding mechanism, an output mechanism and a supporting frame. The top of the supporting frame is fixedly connected with the bottom of the output mechanism, the top of the output mechanism is fixedly connected with the bottom of the powder grinding mechanism, the top of the powder grinding mechanism is fixedly connected with the bottom of the grinding mechanism, the inner top of a feeding hopper is hinged to one side of a dust-free plate through a hinge, and the bottom of the dust-free plate is fixedly connected with the top of a spring strip. According to the flying-dust-free production and manufacturing equipment for the PVC grinding powder, by arranging the grinding mechanism, PVC materials enter a grinding shell through the feeding hopper, a first motor is started, four grindingrollers rotate under cooperation of gears to flatten and grind PVC passing through the four grinding rollers, and the purpose of dust-free powder grinding can be effectively achieved; and meanwhile,the dust-free plate can enable the feeding port of the feeding hopper to directly fall off when feeding is needed and return to the original position when no material enters the feeding port, and theisolation effect is achieved.

The invention provides spiral casing pile pulling equipment and a spiral casing pile pulling system, and relates to the field of construction machines. The spiral casing pile pulling system comprises slurry sediment circulating equipment and the spiral casing pile pulling equipment. The spiral casing pile pulling equipment comprises a pile excavation machine, an arm support, a pore forming device, a power device and a mud circulating device; the pore forming device comprises a locating sleeve, a casing and a spiral diversion blade; the locating sleeve is fixedly connected with one end, close to a hydraulic travelling base, of the arm support; one end of the casing is detachably connected with the power device, and communicates with one end, stretching into the power device, of the mud circulating device; the other end of the casing penetrates through the locating sleeve; and the spiral diversion blade is fixed at the peripheral surface of the casing spirally. Compared with the prior art, the spiral casing pile pulling equipment is simple in structure, convenient to use and high in pile pulling efficiency, has the excellent pile pulling effect and can rapidly complete isolation movement.

The invention discloses an anti-infection expander. The anti-infection expander comprises a connecting catheter, an expanding bag, an external injection pot and a flushing catheter, wherein the expanding bag and the external injection pot are connected to the two ends of the connecting catheter; the materials of the expanding bag, the connecting catheter and the flushing catheter are modified silicone rubber of which the surface is injected with silver ions; the expanding bag comprises a bag body and a thickened base arranged on the bottom surface of the bag body; the edge of the bag body is protruded out of the edge of the thickened base; the middle section of the flushing catheter is wound on the outer side of the thickening base; a flushing hole is formed in the outer side wall of the middle section of the flushing catheter; two side sections of the flushing catheter extend out of the expanding bag; and two ends of the flushing catheter are separately connected with a one-way injection valve. The anti-infection expander is convenient to use and operate, and the infection probability of skin soft tissues in an expanding process can be reduced effectively.

The invention discloses an isolation device for respiratory emergency and severe diseases. The isolation device comprises an isolation device main body filter, a mask, a venthole and an anti-biting opening, a filter is fixedly connected to the other side of an isolation device main body, the outer wall of the periphery of the filter is connected with the outer wall of the periphery of the isolation device main body, the mask is movably connected to one side of the filter, the outer wall of the periphery of the mask is connected with the inner wall of the inner side of one side of the filter inan overlapped mode, the venthole is fixedly connected to the top of the mask, filter cotton is placed in the venthole, harmful gases can be effectively absorbed, thus the situation that some untreated gases are absorbed into the body by a patient through the venthole is prevented, at the same time, when the patient is breathing, the filter cotton in the venthole absorbs the harmful gases exhaledby the patient, then other harmless gases are discharged outward through the venthole, thus the situation that the harmful gases exhaled by the patient affect other human bodies is prevented, and broad development prospects in the future are achieved.

The invention provides a disinfectant and a preparation method and application thereof, the disinfectant is gel-like, water is used as a solvent, and the disinfectant comprises or is prepared from thefollowing raw materials: 10-30 wt% of sodium hypochlorite, 2-10 wt% of polyvinyl alcohol and the balance of an additive. The disinfectant provided by the invention has high stability, can realize continuous, effective and slow release of available chlorine, has a good air disinfection effect, and especially has a good disinfection effect on suspended bacteria and/or viruses in air. Moreover, thedisinfectant provided by the invention is simple and convenient to use.

The invention provides a shared resource distribution method and device and the equipment. The method comprises the steps of obtaining the service class identifiers corresponding to the IO processes used for using the IO devices; obtaining the shared resource parameters corresponding to the service class identifiers from a first storage medium, wherein the first storage medium is used for recording a corresponding relation between the service class identifiers and the shared resource parameters; and distributing the shared resources to the IO devices according to the shared resource parameters. According to the technical scheme of the invention, the plurality of IO devices do not compete for the shared resources together, so that the effect of isolating the shared resources is achieved, the mutual influence among the plurality of IO devices is avoided, the utilization rate of the shared resources is improved, the influence of the competition of the shared resources on the service performance is avoided, and the jitter of the application performance is avoided.

The invention discloses a dynamic regulation and control method for a special lane for network-connected vehicle based on permeability. The method comprises the following steps of: 1, acquiring the total number of vehicles entering each lane and the number of network-connected vehicles in a current time period; 2, judging whether a special lane for the network-connected vehicle needs to be set in the current time period; 3, judging the lane number of the special lane for the network connection vehicle in the current time period through an algorithm; 4, sending the serial number of the special lane for the network-connected vehicle to the network-connected vehicle in the road section, and meanwhile controlling the intelligent light-emitting spikes on the corresponding lane marking lines to emit light; and 5, circulating the steps, and judging the lane number of the special lane for the network connection vehicle in the next time period. According to the invention, the position of the special lane for the network-connected vehicle can be dynamically selected in real time according to the network-connected vehicle permeability of each lane, the necessary lane changing times of the vehicles are reduced, the lane changing conflicts among the vehicles are reduced, and the traffic flow operation safety and the traffic flow operation efficiency are improved.

The invention discloses a fuel dealkalization device and a method and a circulating fluidized bed gasification device and a method thereof, and the fuel dealkalization device is a bubbling fluidized bed and comprises a fuel inlet which is located at the upper part of the fuel dealkalization device and is used for conveying fuel to the fuel dealkalization device; an auxiliary gasifying agent inlet positioned at the lower part of the fuel dealkalization device and used for conveying an auxiliary gasifying agent to the fuel dealkalization device, wherein the fuel and the auxiliary gasifying agent are subjected to dealkalization reaction under heating; a dealkalized solid fuel overflow port positioned at the upper part of the fuel dealkalization device and used for outputting the dealkalized solid fuel generated by the dealkalization reaction; and an alkali-rich fuel gas outlet is positioned at the upper part of the fuel dealkalization device and used for outputting alkali-rich fuel gas generated by the dealkalization reaction. The invention further provides the fuel dealkalization method and the circulating fluidized bed gasification device and the method thereof. The method solves the technical problem of slag bonding caused by high alkali metal content of the high-alkali coal, realizes safe and reliable utilization of the high-alkali coal, and has a wide market application prospect.

The invention provides a low-power fin type field effect transistor and a manufacturing method thereof, and belongs to the technical field of super-large integrated circuit manufacture. The thickness of a sidewall channel layer and the thickness of a top channel layer of the field effect transistor are no greater than 10nm, and a fin-type isolation bar is formed on a deep body area far away from top gate control. Further shortening of a device trench length is facilitated, short channel effect control ability of the device is improved, and static power consumption is minimized. The source-drain area of the device is a monocrystalline active island, and has maller source-drain series resistance. Compared with a fin type field effect transistor employing lifting source-drain structure, the low-power fin type field effect transistor requires no epitaxial lifting source-drain to obtain rapidly high open-state current. The low-power fin type field effect transistor is compatible with conventional IC-manufacture technology and has the advantages of simple process and low manufacture cost.

The invention discloses spraying equipment for color plate production. The spraying equipment comprises a bottom plate, first roller columns, a protection cover, fixing blocks and a guiding groove. The guiding groove is formed in the upper surface of the bottom plate. The first roller columns distributed in parallel at equal intervals are movably arranged in the guiding groove. The outer walls ofthe two ends of the first roller columns are sleeved with symmetrically-distributed limiting wheels. Second roller columns are arranged above the first roller columns. The surfaces of the second roller columns are sleeved with rubber sleeves. The symmetrically-distributed fixing blocks are welded to the two ends of the upper surface of the bottom plate, and a paint spraying pipe and an air guidingpipe are inserted and connected in the fixing blocks. An installing block is fixed to the outer wall of one side of the bottom plate. An air pump is fixed to the outer wall of the side, deviating from the bottom plate, of the installing block. The protection cover is arranged on the upper surface of the bottom plate. A glass plate is embedded and installed in the upper surface of the protection cover. Through rotation of the limiting wheels in clamping grooves of a color plate, the effect of color plate limiting is achieved, and it is guaranteed that the situation of deflection of the color plate during moving is avoided.