12 results about "Moving speed" patented technology

The invention discloses a heat transfer method for geothermal heat exchangers of a pile-buried spiral tube type ground source heat pump system. The heat transfer method comprises the steps of supposing that a heat transfer method for pile-buried spiral tube geothermal heat exchangers adopts a solid cylindrical-face heat source model, wherein the uniform seepage in an infinitely-large porous medium is u, the u is converted into equivalent moving speed U of the medium according to an equation, i.e. U=pwcwu/pc, the initial temperature of the medium is t0, the circle center of an infinitely-long solid cylindrical heat source is located on an axis z; and starting from the time when tau is equal to 0, starting to generate heat in a constant intensity q1(W/m). The mathematical description of the heat transfer method is shown in a drawing. According to the heat transfer method, through providing means that the heat exchange effect of the pile-buried spiral tube geothermal heat exchangers is enhanced by using groundwater seepage and the heat transfer method that the heat exchange of the pile-buried spiral tube geothermal heat exchangers is enhanced by suitably using groundwater, a more accurate basis is provided for engineering design.

The invention provides an additive material high throughput test sample preparation method, a representation platform and a representation experiment method. The method comprises the steps: receivingdesign data of a high throughput test sample, wherein the design data at least contains gauge length sections of design test samples; conveying a plurality of design test samples to the set positionsaccording to the set movement speed, wherein each design test sample contains an appointed element material; at the set positions, utilizing a heat source to sinter the design test sample to obtain high throughput test samples, wherein in a sintering process, all the gauge length sections of the design test samples correspond to appointed heat source powder. By means of the method, measurement data of different kinds of additive materials can be simultaneously obtained; thus, the work amounts and time of experiments are reduced, and quick screening and optimization on additive manufacturing materials are improved.

The invention relates to a porous elastic foam production method based on 3D printing of wet cured silica gel. More than eight layers of foam materials are produced by utilizing a fluid printer. Each layer of foam material is formed by uniformly arranging patterns of different shapes, and the patterns are classified into five types, i.e. a rectilinear type, a sinusoid wave type, an 8 type, a winding type, and a side-kick type; the processing technological parameters are silica gel viscosity R, silica gel ejection flow rate Q, a diameter D of a spray head, a height H of the spray head and a moving speed UO of the spray head; among the technological parameters, the silica gel viscosity R, the silica gel ejection flow rate Q and the diameter D of the spray head are conventional technological parameters, the height H of the spray head is 6 to 51 mm, and the moving speed UO of the spray head is 2 to 14 mm/s; pattern parameters are a vibration amplitude W of a graph, a periodic length P of the graph and a loop width of the graph; and a porosity of a finished product is 30 to 50 percent, and an elastic modulus is greater than 5.0KPa. Average time for producing the porous silica gel elastic foam in a 3D printing manner is 50 to 70 min, and the production efficiency is greatly improved.

The invention discloses a method for convenient shielded box operation, comprising arranging a front opening connecting to the testing space of the box at the box frontage, meanwhile, arranging an embedded chamber formed by the inner concave at both sides of the box; arranging a pneumatic device in the embedded chamber, and arranging a forward door of the sealed front opening invented at the front opening, and connecting the forward door with the pneumatic device; arranging an electronic control module in the embedded chamber, and connecting the electronic control module with the pneumatic device; arranging a switch button under electrical connection with the electronic control module outside of the box, and controlling the forward door opening and closing by pressing or long pressing the switch button; arranging a speed button under electrical connection with the electronic control module outside of the box, and controlling the moving speed of the forward door via the speed button. The method for convenient shielded box operation enables convenient shielded box operation with good safety, convenient maintenance and good shielding effect.

The invention relates to an auxiliary prompting method for street crossing at the end of a pedestrian traffic signal, belongs to the technical field of traffic engineering, and solves the problem thata traffic conflict exists between a street crossing pedestrian at the end of the pedestrian traffic signal and a motor vehicle at the next phase. A prompting device arranged on a pedestrian traffic signal lamp pole is used for projecting moving red and green light bands onto a pedestrian crosswalk to assist in judging whether the pedestrian can enter the pedestrian crosswalk or not at the end ofa green pedestrian traffic signal lamp, and can prompt the pedestrian entering the pedestrian crosswalk to control a walking speed to keep pace with a moving speed of the green light band, so that safe street crossing of the pedestrian can be achieved, the problem that the traffic conflict exists between the street crossing pedestrian at the end of the pedestrian traffic signal and the motor vehicle at the next phase is solved, and potential safety hazards are avoided. The method can be applied to the technical field of traffic engineering.

The invention relates to a high-intensity high-speed informationization manned spacecraft manufactured by new graphene materials and belongs to the technical field of applications of new materials and new energies. A propelling module, a propeller, a re-entry module, an orbital module, a butt joint mechanism, an egress hatch and a porthole of the manned spacecraft are manufactured by the new graphene materials, the strength of graphene mechanical parts is higher than that of titanium structure parts, small celestial bodies in the space and space junk are prevented from hitting against the spacecraft, and the surfaces of the graphene mechanical parts can inhibit bacteria; a conductor wire, a camera, a storage battery, a first graphene computer system, a first graphene communication system, a second graphene computer system and a second graphene communication system which are manufactured by the new graphene materials are capable of accelerating moving speeds of electrons in electric components and obviously improving working efficiencies of the electric components when compared with those manufactured by existing conducting materials. When the sun irradiates a graphene solar battery in the space, electricity currents are generated and rapidly and continuously transport the electricity to the graphene manned spacecraft through the graphene conductor wire.

A sheet take-out apparatus has a table for loading a plurality of postal matter upright, a backup plate for pressing postal matter in the stacking direction and supplying them to a take-out position, a lower stream side floor belt installed so as to be partially exposed from the table in the neighborhood of the take-out position, an upper stream side floor belt, a take-out roller, and two auxiliary rollers. A difference in the projection position between the auxiliary rollers pressed by the postal matter supplied to the take-out position is detected and the inclination of the postal matter is detected. And, on the basis of the detection results, the moving speeds of the floor belts are controlled so as to correct the posture of the postal matter upright.

The invention provides a moving target space coordinate positioning and displaying method, device and system, and relates to the technical field of intelligent traffic. The method comprises the stepsthat moving information of a moving target sent by each information collection equipment is obtained, wherein the moving information comprises a moving coordinate, a moving speed and a moving direction; target moving information of a to-be-pushed moving target is determined, surrounding moving targets are determined according to the target moving information, and the surrounding moving targets comprise all moving targets within the range of a preset distance; and the surrounding moving information corresponding to the surrounding moving targets and target moving information are pushed to a user terminal corresponding to the to-be-pushed moving target to be displayed. In this way, vehicles running around or the whole road condition can be understood through a display screen of the user terminal, and happening of traffic safety accidents, in particular to happening of accidents of multi-vehicle continuous rear-end collision, can be effectively reduced.

The invention discloses a device for indoor detection of the spraying quality of a plant protection aircraft and a using method thereof. The device comprises a data receiving device, a driving deviceand a control system. The data receiving device includes a connecting frame, a plurality of data receiving modules and a rotating device; each of the data receiving modules includes a data receiving cylinder, a data receiving rack, a plurality of sets of data receiving platforms, and a rotating driving mechanism; and skylights are arranged at the data receiving cylinders. The control system is used for carrying out communication with a plant protection unmanned aerial vehicle, controlling the moving speed of the data receiving device and the rotational speeds of the data receiving platforms tobe consistent with the flying speed of the plant protection unmanned aerial vehicle, and controlling the connecting frame to rotate to drive the skylight of each data receiving cylinder to face up horizontally in turn. Therefore, the spraying quality of the plant protection unmanned aerial vehicle can be tracked and detected in real time; and the space for placing a plurality of sampling belts isalso provided, thereby reducing the workload of the scientific researcher.

In a charging device of the present invention, with reference to a state (movement speed of a charging receiving material, operating period of charging device) in which the charging device is used which state is obtained by an image formation controlling section, a voltage controlling section sets or changes an applied voltage to be applied between a discharge electrode and an inductive electrode. Accordingly, even in a case where discharge is hard to occur, a necessary amount of ions can be supplied stably.