498results about How to "Distribute in time" patented technology

The invention relates to a door body used for a cold storage and refrigeration device and the cold storage and refrigeration device. Particularly, the door body used for the cold storage and refrigeration device comprises a panel used for forming the front portion of the door body, a door liner used for forming the rear portion of the door body, two side frames used for forming the two side portions of the door body, a rear cover and a display control assembly. The rear cover is arranged between the panel and the door liner, and a containing cavity is defined by the rear cover and the panel. The display control assembly is arranged in the containing cavity. The two side frames are provided with through holes communicating with the containing cavity so as to form a heat dissipation channel transversely penetrating through the door body, air convective circulation is facilitated, heat is dissipated out in time conveniently, and accordingly the heat dissipation efficiency and effect of the display control assembly are ensured. The invention further provides the cold storage and refrigeration device. The cold storage and refrigeration device comprises a refrigerator body with a defined storage space and the door body, and the door body is directly or indirectly connected to the refrigerator body so as to open and/or close at least part of the storage space.

The invention relates to a portable lottery ticket machine, which comprises a main case body, a case body cover, a display, a host machine, a printer and a keyboard. The display is arranged on the case body cover, the host machine and the printer are arranged in the main case body, a host machine seal cover is arranged above the host machine, the keyboard is arranged on the host machine seal cover, the printer and the keyboard are respectively connected with the host machine through different data lines, and the portable lottery ticket machine is also provided with a case body locking device used for locking the case body cover and the main case body. The portable lottery ticket machine can carry out movable ticket sale and is suitable to moving lottery ticket sale for underdeveloped areas or small towns, villages and even peripheral mountain areas.

The invention discloses a dyeing anode oxidization method of silicon bronze casting aluminum alloy, which comprises the following steps of vibration grinding, degreasing, dirt removing, anode oxidizing, treating through ethylic acid liquid, dyeing and sealing. The silicon bronze casting aluminum alloy prepared by using the dyeing anode oxidization method in the invention has the following characteristics: 1. dense scale cinder formed on the surface of a casting in the casting process is removed; 2. hydrofluoric acid and nitric acid with high concentration are used as dirt removing groove liquid to guarantee an excellent effect of removing silicon bronze on the surface of a workpiece; 3. a soft starting manner is adopted in the oxidization process to guarantee the stable increase of current and in-time dissipation of the generated heat at the initial oxidization stage and to prevent a product from being burnt; the voltage is slowly ascended to continuously generate oxidation films; and 4. acetic acid is used for cleaning after the oxidation procedure, and an acetic acid molecule is active enough to remove the residual sulfuric acid in the casting defect so as to reduce such defects as current ripples and crackles, and the like of the product generated in the successive dyeing procedure.

The invention discloses a hydraulic damper. The hydraulic damper comprises an oil cylinder barrel, a piston and a piston rod. A working cavity is arranged in the oil cylinder barrel. The piston is arranged in the working cavity. The working cavity is divided into a first working cavity and a second working cavity. One end of the piston rod is arranged on the piston. The other end of the piston rod penetrates through the first working cavity to be arranged outside the oil cylinder barrel. A compensation cavity is further arranged in the oil cylinder barrel. The compensation cavity is located at the end, far away from the first working cavity, of the second working cavity. A flow direction control assembly is arranged between the compensation cavity and the second working cavity. The hydraulic damper has the advantages of being simple in structure, small in size, high in reliability, long in service life, high in universality and the like.

The invention relates to a direct-current charging pile, which comprises a cabinet body of a cuboid frame structure. The front side, the rear side, the left side and the right side of the cabinet body are respectively provided with a front cabinet door, a rear cabinet door, a left cabinet door and a right cabinet door, wherein the front cabinet door, the rear cabinet door, the left cabinet door and the right cabinet door are connected with the cabinet body in the rotatable manner. A rectifying chamber and a control chamber are arranged in the cabinet body. The rectifying chamber is located in the upper part of the cabinet body. A rectifying module is arranged in the rectifying chamber. The control chamber is located in the lower part of the cabinet body. A primary control device and a wire outgoing busbar are arranged in the control chamber. A charging gun is hung onto the surface of the cabinet body. According to the technical scheme of the direct-current charging pile, equipment is arranged in different partitions inside the cabinet body, and the rectifying module higher in calorific value is arranged in an independent area. Therefore, the heat can be dissipated conveniently during the charging process, so that the stability of the primary control device is not influenced by the heat radiated by the rectifying module during the charging process. Meanwhile, based on the partitioned arrangement, the isolation effect is better and the operation safety is improved. The electromagnetic interference is reduced and the entire periphery of the cabinet body can be opened. As a result, the cabinet is convenient in installation and maintenance.

The invention discloses a backlight module and a liquid crystal display device comprising the same. The backlight module comprises a light guide plate, a lamp strip and an outer frame, and the lamp strip is optically coupled with the light guide plate, and is mounted onto the outer frame from the inner side. As the lamp strip is mounted on the outer frame of the backlight module, the lamp strip and external air can be in heat exchange to dissipate heat via the outer frame directly. As the lamp strip is directly arranged on the outer frame, a heat conduction path is greatly reduced, heat generated by the lamp strip can be timely dissipated via the outer frame, the temperature in the backlight module is reduced, stability of components in the backlight module is improved, the service lives of the components in the backlight module are prolonged, and the problem that the stability of a liquid crystal panel is affected due to over high temperature is avoided.

The present invention relates to an eddy current permanent magnetism retarder, comprising a stator of a dead permanent magnet and a rotor which dose not rotates when non-retarding, the stator of a dead permanent magnet is coupled with a casing or a connecting support of a gearbox, and equispaced permanent magnets are distributed in the circumference direction, the non-permeability magnetic material is arranged between the two adjacent permanent magnets. The polarities of the two adjacent permanent magnets are contrary. The rotor is arranged outside the stator and supported at a rotation axis through a bearing, and an inertial type of synchronizer is arranged at the left end of the rotation axis. In normal condition, the inertial type of synchronizer breaks away from the rotor, and in the retarder location, the inertial type of synchronizer is combined with the rotor, the rotor is rotating corresponding to the stator. The rotor produces a braking moment. The invention has the advantages that the car dose not consume the energy when running, and the rotor is arranged outside the stator, timely emitting the heat caused by the rotor, cutting out the heat sink needed by the stator, simplifying the structure, and reducing the volume of the whole eddy current permanent magnetism retarder and protecting the enough moment used for retarding at the same time.

The invention relates to a manufacturing method for a cover layer of a semiconductor device interconnected structure. The manufacturing method comprises the following steps: providing a semiconductor device interconnected structure matrix provided with interlevel dielectrics; forming a bottom cover layer on the interlevel dielectrics; forming a first sandwich layer in the bottom cover layer; and forming a top cover layer on the bottom cover layer and the first sandwich layer. Correspondingly, the invention also provides the cover layer of the semiconductor device interconnected structure. The invention adopts a compound medium layer as the cover layer of the semiconductor device interconnected structure, improves the mechanical strength of the whole interconnected structure and ensures that a chip is not easy to break in the use process. While further improving the mechanical strength of the whole interconnected structure, the metal material with higher thermal conduction in the cover layer can easily and timely dissipate heat generated in the working process of the chip so as to ensure that the chip cannot be burned down due to overhigh temperature and ensure the working efficiency and the stability of the chip.

The invention relates to a plate material laser cutting jig. The plate material laser cutting jig comprises a base plate, a magnet and a magnetic part, wherein the upper surface of the base plate comprises a cutting area and a non-cutting area, a slit is formed in the cutting area and used for laser to pass through, the width of the slit is 1.5mm to 2mm, and a groove and/or counter bore is formed in the non-cutting area; the magnet is arranged in the groove and/or the counter bore; the magnetic part is arranged above the magnet, and the magnetic part is used for fixing and compacting a to-be-cut plate material between the magnetic part and the magnet. The to-be-cut plate material is flatly fixed on the base plate by virtue of the cooperation of the magnet and the magnetic part, so that the problems such as cutting flanging, blackening and poor cutting precision caused by the roughness of the plate material can be solved. In addition, the width of the slit for the laser to pass through is 1.5mm to 2mm, by adopting the slit of the width, on one hand, the residue of smoke can be avoided, the heat nearby the slit can be radiated in time, and the problem that a product is easily partially damaged can be solved. The invention also provides a plate material laser cutting device comprising the plate material laser cutting jig.

The invention belongs to the technical field of sulfur removal and discloses a preparation method of gamma-FeOOH. The method comprises the following steps: enabling green rust to react with an oxidizing agent at 0-10 DEG C, wherein gamma-FeOOH is obtained after the reaction is over. According to the preparation method disclosed by the invention, the gamma-FeOOH having purity of 98% or more can beprepared by oxidizing the green rust at low temperature (0-10 DEG C); this is because the oxidizing reaction is an exothermic reaction, the low-temperature condition is helpful to dissipate heat in time, thus the generation of FeOOH of other crystal phases or other oxide crystal phases of iron is effectively avoided, and the purity and yield of the gamma-FeOOH are remarkably improved. Moreover, hydrogen peroxide is adopted as the oxidizing agent, and the prepared gamma-FeOOH has relatively large specific surface area and relatively strong absorbability and can be widely applied to the field ofsulfur removal.

The invention discloses a notebook computer stand, which comprises a main stand, a right-and-left stand and a back stand, one end of the right-and-left stand is pivoted with one end of the main stand via a pivot shaft, the main stand is internally provided with a space capable of accommodating the right-and-left stand; the back stand is pivoted at the other end of the main stand via a stand movable shaft, the main stand is provided with a space accommodating the back stand, and a back stand positioning device is arranged in the main stand; the right-and-left stand and the back stand of the invention can be folded in the main stand so as to diminish the occupied space at the idle time and to facilitate carrying; by using the stand, distance and ventilation radiating space between computer and table surface can be increased, which is convenient for timely dissipating heat generated by a host of a notebook computer.

The invention discloses a flip chip plastic package structure with a cooling structure and a manufacturing method, and relates to the technical field of semiconductors. According to the flip chip plastic package structure with the cooling structure and the manufacturing method, a chip and height limiting blocks are arranged on the first face of a base plate, a cooling plate is arranged on the chip and the height limiting blocks, and a first space formed by the cooling plate, the chip, the height limiting blocks and the base plate is filled with plastic package resin. In other words, through the cooling plate on the height limiting blocks and the chip, the plastic package structure is manufactured without molds, and the flip chip plastic package structure with the cooling structure and the manufacturing method have the advantage that cost is low.

The embodiment of the invention relates to the field of computer equipment, and particularly discloses a portable computer heat dissipation module which comprises a heat dissipation module body. The heat dissipation module comprises a base, an air pump, heat dissipation plates and a heat dissipation base. At least two sets of heat dissipation plates are evenly distributed and installed on the heatdissipation base. The embodiment of the invention further provides a computer heat dissipation device, the computer heat dissipation device comprises the heat dissipation module, a shell, a box doorand an air blowing mechanism, and the air blowing mechanism directly faces computer hardware on the heat dissipation module. According to the heat dissipation module provided by the embodiment of theinvention, heat generated in the running process of computer hardware can be dissipated in time, so that the computer hardware is prevented from being damaged due to overheating. According to the computer heat dissipation device provided by the embodiment of the invention, the air blowing mechanism is used for uniformly blowing air to the computer hardware on the heat dissipation module in the front direction, so that the heat dissipation effect of the surface of the computer hardware in the operation process is accelerated.

The invention discloses a water resistor for a load test in a generator. A feed water pump is arranged on an inlet pipe of each operating water tank to pump the water of a storage water tank into the operating water tank, and a draining pump is arranged on a water outlet pipe of each operating water tank to pump the water in the operating water tank to a spraying pipe. A water receiving basin capable of collecting sprayed water is arranged below the spraying pipe. Water return channels are formed at the bottom of the water receiving basin to return the collected water into the storage water tank. The operating water tanks are correspondingly connected with the feed water pumps and the draining pumps, and water levels in the operating water tanks can be regulated by regulating the flows of the feed water pumps and the draining pumps to further regulate a load. The water levels are changed uniformly and slowly, so that the load can be regulated and changed stably, and a sudden change is avoided. In addition, the water drained by the operating water tanks is sprayed and cooled, and then returns to the storage water tank, heat produced by the power consumption of the generator in the load test in the circulation process of the water can be timely dissipated to the outside, and the water in the operating water tanks cannot be gasified in the test process, so that the stability of the load can be maintained.

Provided is a coil externally-wrapping magnetorheological fluid damper. The coil externally-wrapping magnetorheological fluid damper is characterized in that the outside of a working cylinder barrel is provided with a dust-proof housing, one end of which is fixed with guide magnets and coils; a guide groove is formed in outside of the working cylinder barrel; relative sliding is achieved between the dust-proof housing and the working cylinder barrel by means of a steel ball in the guide groove; the coils are fixed in damping holes, just opposite to a piston, of the housings; and coefficient of viscosity of a magnetorheological fluid is affected by current magnitude of the coils such that output of damping force of the damper is thus affected. The coil externally-wrapping magnetorheological fluid damper has following beneficial effects: the excitation coils surround the outside of the working cylinder such that heat of the working cylinder barrel in work can be timely dispersed and magnetic field distribution near the working cylinder can be improved; therefore, the damper has great damping force and a wider adjusting range of damping force; the coils can be easily detached for replacement if damage occurs so that the coils are economical and practical; service lifetime of the damper is prolonged and usage performance of the coil externally-wrapping magnetorheological fluid damper is enhanced; and compared with a conventional mode that a middle hole is casted in the piston rod, the mode that the coils are directly placed outside is more convenient and has an easy process.

The invention discloses a composite electroplating technology of high-wear-resisting nano diamond alkene, and belongs to the field of electroplating technologies. The method comprises following steps: firstly, electroplating liquid is prepared, a nickel aminosulfonate stock solution, a boric acid aqueous solution and a nickel chloride aqueous solution are mixed and stirred, and heated to 55 DEG C to 60 DEG C, then, lauryl sodium sulfate, saccharin and 1,4-butynediol are added, and electroplating liquid is prepared; nano diamond alkene is added; the nano diamond alkene is ultrasonically dispersed for 2 h in the electroplating liquid, then, composite electroplating liquid is obtained, and the composite electroplating liquid is slowly added into an electroplating bath in batches; thirdly, electroplating is carried out, a cleaned-up to-be-electroplated workpiece is placed in the composite electroplating liquid at the temperature of 55 DEG C to 60 DEG C, the to-be-electroplated workpiece serves as a negative electrode, a pure nickel plate serves as a positive electrode, the electroplating liquid is stirred, and electroplating current of 1-3A/dm<2> is applied; and after electroplating is finished, and an electroplating part is obtained. The thickness of an electroplating layer is reduced, the requirement for heavy metal is reduced, the pollution to the environment is reduced, and hardness, wear resistance and corrosion resistance of the electroplating layer can be obviously improved.

The invention discloses an intelligent solid state relay with an efficient protection function. The intelligent solid state relay comprises a shell and a control system, wherein a heat dissipation device is arranged in the shell; the heat dissipation device is arranged on a bottom board of the shell; a DCB board is arranged on the heat dissipation device; the DCB board is provided with an integrated circuit; the integrated circuit comprises a coupling circuit, a triggering circuit, a switching circuit, an absorbing circuit and a zero pass control circuit; the control system comprises a detection module, a control module and an execution module; the detection module is used for detecting a voltage and current in a relay circuit and temperatures of elements; the control module is used for receiving data of the detection module, comparing the data with a preset threshold, and sending an execution command; and the execution module is used for receiving the execution command sent by the control module to perform over-voltage protection, over-current protection and over-heat protection. Through adoption of the intelligent solid state relay, heat dissipation processing, over-current protection and over-voltage protection can be performed automatically and rapidly, and normal working of the solid state relay is protected effectively.

The invention discloses a prism fine polishing device, and relates to the technical field of optical lens processing. The prism fine polishing device aims to solve the problems that in a fine polishing process, the temperature is increased, asphalt is softened, and a surface shape of the optical element is not easy to guarantee. According to the technical scheme, the fine polishing device comprises a rack and a polishing assembly, wherein the polishing assembly comprises a polishing solution tank, a rotating main shaft arranged on the top wall of the polishing solution tank, a polishing disc arranged on the top surface of the rotating main shaft and an upper disc attached to the polishing disc; the polishing disc comprises a polishing disc base body and an asphalt polishing module layer, and a plurality of heat dissipation grooves are formed in the asphalt polishing module layer; and the rack is further provided with a spraying component and a pressurizing component for improving the polishing pressure. On one hand, the heat dissipation grooves can dissipate heat to prevent the asphalt from becoming soft, and on the other hand, polishing solution can be uniformly distributed on thepolishing disc; and the polishing solution is sprinkled on the polishing disc through a spray head, so that the heat generated by polishing can be dissipated in time, the asphalt polishing mold layeris not easy to become soft, so that the purpose of improving the precision of the surface shape is achieved.