58results about How to "Reduce crowding" patented technology

The invention discloses an alarm prompting method based on position information, an alarm prompting device based on the position information and alarm prompting equipment based on the position information. The method comprises obtaining the quantity of users within specific areas in a map; according to the quantity of the users, determining the user intensity of the specific areas; according to the user density of the specific areas, giving an alarm to the users. By applying the method, the users can clearly know the distribution of people within the specific areas in the map, and know areas where people are intensive and areas where people are sparse in the map, so as to conveniently implement rational route planning according to the distribution of people; therefore the problems caused by the fact that tourists gather together are reduced, and the routes of the users are greatly facilitated.

The invention discloses a designing method of a cylindrical blade with the controllable inlet setting angle. A designing and shape drawing process of a novel cylindrical blade is given. The inlet edge of the novel blade and the blade inlet attack angle at the intersection of a front cover plate and a rear cover plate can both be given. The impact hydraulic loss at the positions of the blade inlet can be reduced through the controllable inlet setting angle, the major reason for the large hydraulic loss of a traditional cylindrical blade is eliminated, and the purpose of increasing the blade energy index is achieved. The anti-cavitation capability of the blade can be improved through the blade structure, and the application range of the cylindrical blade is enlarged. After the blade is used in an impeller with the specific speed reaching 120, a pump can still have high hydraulic efficiency.

The invention discloses a prefabricated kitchen and a construction and installation method thereof. The prefabricated kitchen comprises a bottom plate unit, four wall surface units and a ceiling unit which are fixedly connected with one another; at least one of the four wall surface units is a full-fabricated structural wall or a semi-fabricated structural wall; the outer side of the semi-fabricated structural wall is provided with concave-convex alternate rough external surfaces; the full-fabricated structural wall is provided with a connection hole extended from the lower part of a wall body into the wall and a grouting hole formed in the wall surface; the connection hole and the grouting hole are communicated to form a grouting channel; the bottom plate unit is used as a part of a structural floor plate; at least one of edges of the bottom plate is provided with a transverse steel bar; and a section of the transverse steel bar horizontally extends outwards and is overlapped and fixed with a steel bar adjacent to the structural floor plate. By the prefabricated kitchen, the wall body of the prefabricated kitchen occupies small space, so that the space can be obviously saved to make indoor space of the prefabricated kitchen relatively wide.

The invention discloses a remote consultation method which comprises the following steps: S1, objects for online report on general conditions of illness are obtained as preliminary consultation persons, and a doctor provides preliminary diagnosis results on line based on the general condition of illness of each preliminary consultation person; S2, preliminary consultation persons whose preliminarydiagnosis results comprise examination items are selected as further consultation objects while the remaining preliminary consultation persons are taken as finished consultation objects; S3, all thefinished consultation objects are notified of corresponding preliminary diagnosis results; S4, appointment time is allocated for each examination item of each further consultation object; S5, all further consultation objects are notified of corresponding preliminary diagnosis results and appointment time of each examination item. According to the method, the finished consultation objects are directly handled online based on the preliminary diagnosis results, crowdedness in hospitals caused by face-to-face consultation can be alleviated, hospital environment can be ensured, pressure exerted ondoctors by face-to-face consultation can be lowered, and time waste of patients waiting at hospitals can be prevented.

The invention discloses an efficient oil well paraffin remover, and belongs to the technical field of oilfield exploitation. Hydrophilic components such as mercaptoethanol are led in and matched to form a water protective film, hydration and lubrication properties of oil paraffin are improved, paraffin dispersion effects are improved, entanglement among a hole structure formed in the preparation process and components such as composite paraffin removal basic materials and composite accessories is achieved, affinity effects on the paraffin in using is improved, and paraffin removal effects areimproved. Added phospholipid has good emulsification functions, so that polar groups in components can extend into the paraffin, phospholipid molecules have more negative charges, local charges can beunbalanced and excluded each other, a blocking structure formed by paraffin accumulation in an oil well is broken, an open area cannot be reduced, an oil pipe cannot be blocked by the paraffin, and dredging effects are improved. The paraffin remover solves the problems that a current frequently-used paraffin remover has low liquidity at low temperature, paraffin remover speed is low, the open area is reduced, and the oil pipe is blocked by the paraffin.

The invention discloses a horizontal foam pump. The horizontal foam pump comprises a pump body; the pump body is provided with a suction inlet and a discharge outlet; an impeller is arranged in the pump body, is an open impeller and is provided with 3-5 main blades and 3-5 splitter blades; and each splitter blade is distributed between every two adjacent main blades. The purpose of the invention is to provide the horizontal foam pump which is suitable for conveying high-vapor-content three-phase flow and capable of effectively reducing the blade extrusion phenomenon and the ring current phenomenon in the blades.

The invention discloses remote acousto-optic integrated electronic blessing tables, a blessing system and a blessing method, and belongs to the technical field of blessing equipment and methods. According to the remote acousto-optic integrated electronic blessing tables, the blessing system and the blessing method, safety and environmental protection are realized, remote blessing is realized, andthe blessing effect is realistic. According to the adopted technical scheme, each remote acousto-optic integrated electronic blessing table comprises a table body, an electronic censer, two electroniclamps, a display screen and a control system; each electronic censer is arranged at the center of the corresponding table body, every two electronic lamps are arranged on the corresponding table bodyand located on both sides of the corresponding electronic censer, and each display screen is installed on the end surface of one side of the corresponding table; each electronic censer comprises a censer body and a great deal of electronic incense arranged in the censer body, the electronic incense is in a long-strip shape, and a simulation lamp is arranged at the top of the corresponding electronic incense; and each control system comprises a wireless communication module, a light output module, a display driving module, a power input module and a central processing module.

The invention relates to the field of impellers and discloses a high-lift pump impeller for an electric automobile. The high-lift pump impeller for the electric automobile comprises an impeller body (2) installed in a pump body, the impeller body (2) comprises a panel (3) and blades (4) installed on the panel (3), the blades (4) comprise main blade bodies (41) and auxiliary blade bodies (42), themain blade bodies (41) and the auxiliary blade bodies (42) are circumferentially arranged round the central axis of the panel (3), and the length of the main blade bodies (41) is larger than that of the auxiliary blade bodies (42). According to the high-lift pump impeller for the electric automobile, the two kinds of blade bodies are arranged, so that the flow area between the blades is increased;since bending of the blades is reduced and jamming of the blades is also reduced, the circulation area of the blades is increased; and the inlet flow speed is reduced, so that the anti-cavitation performance of the impeller is improved.

The embodiment of the invention discloses a data writing method and device, a server and a storage medium, and the method comprises the steps of receiving a read-write request sent by a KVM client; judging whether an SSD storage starting condition is met or not according to the parameters; and when an SSD storage starting condition is met, realizing data reading and writing of the CephRBD by utilizing the SSD. The storage performance advantages of the SSD storage device are fully utilized, and good read-write and access performance is provided for a database. In the CephRBD process, the occupation of a memory is reduced, and the occupation of memory resources of the KVMHypervisor is reduced. And the access effect of the KVMHypervisor client side is enhanced. Meanwhile, various access application scenes can be flexibly coped with according to configuration, and the access effect of the Ceph database is improved.

The invention discloses a grinding method applied to the inner surface of an elbow fitting, comprising the following steps: injecting a working medium into the clamped and fixed petroleum elbow, and inserting a grinding head composed of two semicircular spheres and a runner into the elbow , the working medium quickly flows out from the gap between the grinding head and the inner wall of the elbow, and the flowing working medium drives the runner to rotate freely, and the runner sprays part of the working medium onto the pipe wall in rotation, so as to clean the inner wall of the elbow Auxiliary grinding, the working medium acts on the pipe wall, and the corners or protruding parts on the inner wall of the elbow are sheared and removed by the high-speed movement of the abrasive particles. Iron filings cleaning. Through the adjustment of the two semicircular spheres and the runner, the working medium can fully cover all parts of the elbow, reducing the probability of local protrusions on the inner wall of the elbow, so as to achieve the purpose of improving the service life of the oil pipeline.

The invention discloses a foldable universal wheel for a trolley case, and relates to the technical field of trolley cases. The universal wheel solves the problem that the universal wheel is easily damaged when the trolley case is consigned, and the adaption of a folding structure can maximally reduce space occupied by installing the universal wheel in a case body, thereby increasing the effectivevolume of the case. The universal wheel comprises a rotation supporting frame, a rotating arm and a T-shaped supporting frame, wherein the rotating arm is connected with a mounting seat on the rotation supporting frame through a rotating shaft, the rotating arm can rotate around the rotating shaft in a range of 90 degrees, and a rotation positioning boss of the T-shaped supporting frame cooperates with a first rotation positioning groove or second rotation positioning groove of the rotating arm to achieve circumferential positioning of the T-shaped supporting frame. External force pulls a wheel to drive the T-shaped supporting frame to slide out and rotate 90 degrees, so that the rotation positioning boss cooperates with the second rotation positioning groove, a positioning pin is also loosened, then the rotating arm rotates to a horizontal position, then the positioning pin is locked, and folding and withdrawing of the universal wheel can be achieved. The foldable universal wheel isapplied to the trolley case.

The invention discloses a multi-mandrel machining center with a micro-motion compensation function. The machining center comprises a main base, a main stand column, a saddle seat, a workbench and at least two mandrel machining units, wherein the stand column is fixed on the main base, and the mandrel machining units are slidably connected to the stand column; the mandrel machining unit comprises aZ-axis driving device, a mandrel and a unit main body; the mandrel machining unit further comprises a micro-motion compensation mechanism; and the micro-motion compensation mechanism comprises a basebody, a guide rail and a motor, wherein the guide rail is obliquely arranged on the unit main body, the unit main body is slidably connected on the guide rail, and a transmission mechanism is connected between the motor and the unit main body. According to the machining center, fine displacement in the Y-axis direction of each machining point on a workpiece can be subjected to micro-motion compensation, operation can be facilitated, and the working efficiency is improved.

The invention relates to a contact-type ultrasonic fumigation instrument. The instrument comprises a fumigation barrel, two first sealing units, two second sealing units, a locking flapping unit, a heat preservation unit and an ultrasonic generator, the two first sealing units are arranged on the front side and the rear side of the upper end of the fumigation barrel, the two second sealing units are arranged at the left end and the right end of the upper end of the fumigation barrel, the first sealing units and the second sealing units are connected through the locking flapping unit, the heatpreservation unit is arranged in the fumigation barrel, a cavity is formed in the bottom end of the fumigation barrel, and the ultrasonic generator is placed in the cavity. The invention can solve theproblems that: legs of different people have different diameters, after the legs extend into a fumigation basin from round holes in a sealing cover, gaps between the round holes and the legs of a person with thin legs are large, a large amount of steam is likely to leak out, in the ultrasonic fumigation process, the legs and the feet are in a sealed environment, and the legs and the feet cannot be effectively massaged and can only be massaged after fumigation.

The invention relates to an energy gradient efficient utilization system of a supercritical coal-fired generator set. The energy gradient efficient utilization system is characterized in that air is heated by utilizing superheat degree energy of steam extraction on the side of a steam turbine of the supercritical coal-fired generator set, so that the heat exchange temperature difference between steam and water in a regenerative heater is effectively reduced, and the irreversible loss is reduced; one part of the heated air provides enough oxygen for a boiler to enter a hearth to participate incombustion; and the other part of air can be continuously utilized to heat feedwater and condensed water, so that part of backheating extracted steam extracted from a steam turbine is squeezed, and correspondingly, the squeezed backheating extracted steam returns to the steam turbine to continuously expand and do work, therefore, under the condition that the amount of coal input in the boiler is not changed, the total work of the steam turbine is increased, the power generation capacity is increased, and the power generation efficiency of the unit is improved. And on the other hand, heat absorption of air in a tail flue is reduced on the boiler side, the amount of fuel needed by the boiler side is reduced, and the purposes of energy conservation and emission reduction are achieved. The energy gradient efficient utilization system is reasonable in structure, high in applicability and good in effect.