68results about How to "Reduce the amount of movement" patented technology

The invention provides a cursor control method of a head-mounted device. The method includes the following steps that a head motion processing sensor maps detected head motion data to be a head motion two-dimensional coordinate displacement and sends the head motion two-dimensional coordinate displacement to a microprocessor; meanwhile, an eye tracker maps detected eye motion data to be an eye motion two-dimensional coordinate displacement and sends the eye motion two-dimensional coordinate displacement to the microprocessor; the microprocessor superimposes the head motion two-dimensional coordinate displacement and the eye motion two-dimensional coordinate displacement to be a two-dimensional coordinate of cursor moving; a click event is executed through a voice recognition module, and the click event and the two-dimensional coordinate of the cursor moving are output together. The fact that the head and the eyes subconsciously move in a coordinated mode by nature is used, so that a mouse is controlled through sampling recognition achieved by head moving, eye moving and tooth touching, intelligent equipment can be put on the body of a person and carried, hands are freed, meanwhile the most direct and precise consciousness expression mode is achieved, namely what is seen can be controlled, operation is natural and easy, the action quantity is small, consumption of physical and mental energy in operation is reduced, time operation is facilitated, and the disabled can conveniently control the cursor.

The invention discloses a medical dirt eraser which comprises a brush head rotatably installed on a brush handle. The brush handle is fixedly provided with a brush cover covering the brush head. The brush head is in transmission connection with the output shaft of a power device through a universal hose. The eraser further comprises a liquid sprayer driven by the power device. The liquid sprayer is connected with a cavity of the brush cover through a water pipe. A speed regulating unit is arranged between a main wheel and a rack. The rack drives the main wheel to rotate through the speed regulating unit. The speed regulating unit comprises a transmission wheel and a driving gear axially and fixedly arranged. The transmission wheel is in transmission match with the main wheel, and the driving gear is in transmission match with the rack. The medical dirt eraser in the structure is reasonable in structure, and can quickly clean or eliminate splodge or dirt to prevent medical personnel from being contacted with dirt manually, so that the medical infection risk is reduced. The eraser is time-saving and labor-saving and convenient to operate, so that the safety and sanitation of medical personnel are ensured.

The invention relates to a quick direct memory access (DMA) ping-pong caching method, which is used for moving data blocks of which part of data are the same from adjacent data blocks. The method comprises the following steps that: the DMA firstly moves the data blocks in a processable byte quantity by a CPU into a target cache and then sequentially moves the data blocks into the target cache until the target cache is completely covered and the turn of data moving is completed, wherein the byte quantity of the sequentially moved data block is equal to that of the part of the different data inthe adjacent data blocks from the data blocks which need to be moved. The method can reduce the redundancy in the process of processing the part of the same data in the adjacent data so as to reduce the quantity of the data moved by the DMA at each time, thereby decreasing the wait time of the CPU.

The invention discloses a dry magnetic separator based on fluidization. The dry magnetic separator comprises an obliquely arranged magnetic separating drum; a fluidization separating tank arranged below the magnetic separating drum, wherein the fluidization separating tank is arranged with a same inclination angle with the magnetic separating drum; and a feeding apparatus arranged on the front end of the magnetic separating drum, wherein materials are delivered from the feeding apparatus to the front part of the fluidization separating tank. The fluidization separating tank comprises a base frame, a curved air distributing plate with a filter cloth interlayer arranged on the base frame, and an air chamber arranged on the lower part of the base frame. The feeding apparatus comprises a sphenoid buffering chamber; a feeding quantity controlling plate arranged at the port of the sphenoid buffering chamber, wherein the feeding quantity controlling plate is controlled by a quantity-controlling pin; and a feeding flashboard arranged on the bottom of the sphenoid buffering chamber, wherein the feeding flashboard is controlled by a switch pin. According to the invention, with the fluidization separating tank, the feeding material is fluidized. The feeding material is repeatedly separated in the magnetic separating drum while flowing. Feeding width is enlarged by using a fluidization rod. Feeding thickness is controlled by using the feeding quantity controlling plate, such that the feeding quantity in a unit time can be controlled. The dry magnetic separator provided by the invention is advantaged in compact structure, uniform feeding, adjustable feeding quantity, small space occupation, large processing quantity, high separation efficiency, and low cost.

The invention discloses a patient moving vehicle for the department of orthopaedics. The patient moving vehicle comprises a shears-fork type lifting support, wherein the lower end of the shears-fork type lifting support is connected with a bottom board, universal wheels are arranged on four corners of the lower end surface of the bottom board, respectively, the upper end of the shears-fork type lifting support is connected with a support plate, two ends of the upper surface of the support plate are provided with bed board chutes, a bed board is inserted into the cavities of the bed board chutes, the lower end of the bed board is provided with slide ways, the upper end surface of the support plate is provided with pulleys corresponding to the slide ways. According to the patient moving vehicle, the shears-fork type lifting device is adopted, so that the height of the moving vehicle can be adjusted, then a patient can be conveniently moved, and a great deal of labor force is saved during movement; the structure that the bed board is inserted into the bed board chutes through the slide ways and sliders is adopted, so that when the patient is moved, the bed board slides to the surface of the sickbed, therefore, the moving distance and the moving amplitude are reduced, and the possibility of generation of secondary injury due to movement of the patient is effectively lowered.

The invention discloses a memory management method and a memory management system, relating to the technical filed of information. The method is as follows: dividing a memory into a first memory area and a second memory area; using a local compression algorithm to manage the first memory area; and when the first memory area is in an unstable state, using the data stored in a second memory block to fill a hole causing the first memory area to be unstable, wherein the second memory block is positioned in the second memory area. The system comprises a division module, a management module and a filling module. A filling mode is used to greatly reduce the movement quantity of the memory to enable the memory to recover to a stable state, further improving the memory management performance of the local compression algorithm under the condition of ensuring higher use ratio of the memory, thereby ensuring that the local compression algorithm can better consider both the memory use ratio and the memory management performance.

The invention discloses a steel wire rope detection steady-state limiting device. The steel wire rope detection steady-state limiting device comprises clamping devices, a detection device, a fixed loading device and a mounting platform, wherein the clamping devices and the detection device are both fixedly connected to the surface of the mounting platform; the fixed loading device is fixedly connected behind the mounting platform; each group of the clamping devices is provided with an upper clamping wheel, a lower clamping wheel and a supporting arm; the detection device comprises at least onedetection sensor and a detection support arm; and the detection device comprises a weak magnetic detection sensor, a strong magnetic detection sensor, an all-magnetic detection sensor and other various electromagnetic detection sensors. By virtue of the steel wire rope detection steady-state limiting device, the accuracy of the steel wire rope detection data is guaranteed, and damage to equipmentcaused by strong vibration of the steel wire rope is avoided.

The invention discloses a data classified storage method, device and equipment and a storage medium, and the method comprises the steps: determining the user data needing to be written at present as target data if the user data needs to be written into a flash memory, and determining a classifier needing to be used at present as a target classifier, wherein the classifier is obtained by training data characteristics and categories of the user data written into the flash memory; extracting data features of the target data, and inputting the data features of the target data into a target classifier to obtain a category to which the target data output by the target classifier belongs; and determining a storage area corresponding to the category of the target data in the flash memory, and writing the target data into the determined storage area. When garbage collection is carried out on the user data, the possibility of selecting blocks which are invalid data or most of the blocks are invalid data is relatively high, so that the moving amount of the user data is reduced, the write amplification coefficient is reduced, and the garbage collection efficiency is improved.

The invention discloses a machine tool base. The machine tool base comprises a base main body and a convex part arranged on the top surface of the base main body, wherein X axis guide rail bases are arranged on the top surface of the convex part; a first drainage ramp is arranged between the side wall of the base main body and the outer side of the X axis guide rail bases; a second drainage ramp is arranged between the X axis guide rail bases; a circulation hole is formed between the first drainage ramp and the second drainage ramp; an oil-water separator which can enable waste oil, water and cutting fluid in the first drainage ramp and the second drainage ramp to conveniently flow in is arranged at one end part of the base main body; an oil-returning slot used for collecting the waste oil is formed in one end part of the oil-water separator; an air hole is formed in the bottom surface of the base main body; and cross section of the base main body is of a symmetric oblique-pulling structure. Therefore, the machine tool base has good structural stability and shock resistance, and the function of discharging the waste oil, water and cutting fluid is strong, so that service life of the machine tool base is long, the air exhausting function of the machine tool base is also good, and the machine tool base can be widely applied to machine tools.

The invention discloses a heating system for separating harmful substances in oil. The heating system comprises a primary heating system, a gas-liquid separation tank, a secondary heating system and a smoke dispersion system, wherein the primary heating system and the secondary heating system comprises heating kettle bodies, drums, reducing mechanisms and driving devices; an oil circulation space is formed between the heating kettle bodies and the drums; the heating kettle bodies are connected with a housing; a ventilating chamber is formed between the housing and the heating kettle bodies; an air inlet and an air outlet are formed in the side wall of the housing; the air inlet of the primary heating system is communicated with the air outlet of the secondary heating system; the air inlet of the secondary heating system is connected with a burner; the gas-liquid separation tank comprises a tank body; the tank body is communicated with the primary heating system and the secondary heating system; the smoke dispersion system comprises a smoke dispersion tank; the smoke dispersion tank is connected with an oil smoke output pipe and a high-temperature oil outlet pipe; the smoke dispersion tank is communicated with the secondary heating system. When the heating system is adopted for oil refining, the phenomenon of local heating and fire in a heating air duct can be avoided, and the heat energy utilization rate can be improved.

The invention provides a through-shaft axial swash plate plunger pump. The through-shaft axial swash plate plunger pump comprises a shell body, wherein an end cover is arranged at the left end of the shell body, a tail cover is arranged at the right end of the shell body, a cylinder body is arranged inside the shell body, and a rotating shaft is arranged on the left end surface of the cylinder body; a swash plate is arranged at the position, located on the left side of the cylinder body, of the shell body, and the swash plate is arranged on the rotating shaft in a sleeving mode; a supporting shaft is arranged on the right end surface of the cylinder body; a front bearing is arranged in the swash plate, and the front bearing is arranged on the rotating shaft in a sleeving mode; and a rear bearing is arranged in the tail cover, and the rear bearing is arranged on the supporting shaft in a sleeving mode. The structure of the plunger pump can improve the stress condition effectively, and the displacement of the cylinder body during rotation is small, so that the plunger pump has the advantages of being stable in operation, low in vibration, low in noise and long in service life.

A vehicle seat allows, using a simple structure independent of a headrest, the entire body of the occupant sitting on the vehicle seat to sink (move) a large amount toward the rear of the vehicle when a rear collision occurs, and thus the vehicle seat can effectively reduce an impact to the occupant in the rear collision. A vehicle seat (S) is provided with: a seatback frame (1); a headrest (S3); a pressure receiving member (20) which is movable independently of the headrest (S3); and a rotation member (30) which is provided to either one and/or the other of side sections on both sides of the seatback frame (1), is connected to the pressure receiving member (20), and moves independently of the headrest (S3) due to a predetermined impact load. The rotation member (30) is connected to a pressing means (35) which press the pressure receiving member (20) to the front side of the seatback frame (1) through connection members (21, 22). The force required to return the rotation member (30) to an initial state is set in a range in which the force is greatest when the occupant is seated normally and the force is small when the rotation member (30) moves due to a rear collision.

The invention discloses a fastening device for a circuit board. The fastening device comprises a fixing mechanism and two fastening mechanisms. The fixing mechanism comprises a fixing plate. The two ends of the fixing plate are provided with connecting holes respectively. The connecting holes are movably connected with connecting pieces. The two fastening mechanisms are oppositely arranged on the fixing plate. Each fastening mechanism comprises a fastening piece fixedly arranged on the fixing plate and a pressing plate movably connected to the fastening piece. The fastening pieces are in threaded connection with nuts for limiting the corresponding pressing plates. The nuts are located above the corresponding pressing plates. The contact faces of the fastening mechanisms and the circuit board and the contact face of the fixing plate and the circuit board are provided with elastic layers respectively. By means of the technical scheme, on the one hand, wear to the circuit board is lowered by the fastening device in the vibration environment, and on the other hand, displacement, brought by a machine, of the circuit board is lowered through elasticity of the elastic layers, so that the looseness problem of an element on the circuit board is avoided.

The invention discloses a Winograd algorithm-based convolutional neural network hardware accelerator and a calculation method. The accelerator comprises an input buffer module, a PE array, a post-processing module, a data distributor, a control module, a configuration module, an output buffer module and a storage layer; the configuration module decodes the instruction into configuration information; the control module is used for controlling the PE array, the data distributor and other modules to complete different calculations; the data distributor reads the data from the storage layer by adopting different address mapping modes and data distribution modes, and distributes the data to the input buffer; the input buffer module sends the buffered calculation data to the PE array for calculation; the PE array performs calculation path reconstruction according to the configuration information and calculates the data; and the post-processing module performs operations such as multi-channel accumulation and activation function processing on a calculation result. According to the method, the convolution calculation speed can be increased, the data migration loss is reduced, and the performance of the whole accelerator is improved.

The invention relates to a connected building. The connected building comprises main frame structures, orridor structures, longitudinal limiting components and transverse limiting components; two or more main frame structures are arranged side by side, the corridor structures are arranged between every two adjacent main frame structures, and the ends of the corridor structures are in lap joint with the main frame structures through buffer limiting structures; the longitudinal limiting components are arranged on the side edges of the buffering limiting structures and used for limiting longitudinal translation of the corridor structures in the length direction; the transverse limiting components are arranged on the side edges of the buffering limiting structures and used for limiting transverse translation of the corridor structures in the width direction; and the limiting directions of the two longitudinal limiting components located at the two ends of the corridor structures are opposite, and the limiting directions of the two transverse limiting components located at the two ends of the corridor structures are opposite. According to the connected building, the corridor structuresdo not affect the main frame structures, can be firmly connected with the main frame structures and are not prone to falling off from the main frame structures.

The invention relates to the technical field of supporting equipment, in particular to novel aluminum profile supporting equipment for a power battery module. The novel aluminum profile supporting equipment is convenient to assemble, a cover plate and a protective shell can be assembled by only one step, the assembly steps are reduced, the labor intensity of workers is reduced, the production speed is increased, rapid production is facilitated, the economic benefit is improved, the novel aluminum profile supporting equipment is convenient to open and can be opened by only one step after being discarded, internal batteries are recycled, the pollution of the batteries to the environment is reduced, the batteries are conveniently recycled, and the enterprise revenue is increased. Vibration generated when an electric vehicle runs is reduced through double damping, the situation that batteries of the battery module are dispersed due to vibration is avoided, the situation that the battery module falls off and collides with the cover plate in the morning due to too large vibration is avoided, the integrity of the battery module is protected, and the battery module is prevented from being broken due to collision and polluting the environment.

The invention discloses an automobile windshield wiper with a spraying function. The automobile windshield wiper includes a main rod, expansion rods are slidably arranged at the two ends of the main rod, limiting blocks are arranged on the upper surfaces of the outer ends of the two expansion rods, the front ends of the two sides of the main rod are each provided with a locking bolt facilitating locking of the corresponding expansion rod, a rotating shaft is arranged at the lower surface of the main rod, spray heads are arranged on the two sides of the lower surface of the main rod, the two spray heads are communicated with pipelines, the two pipelines are fixed to the rotating shaft through two bandages, the lower end of the rotating shaft is movably connected with a main shaft, and the lower portion of the main shaft penetrates through a middle plate and extends into an energy supply device below the middle plate. A stepping motor drives the main rod to clean up and down, so that themoving amplitude is reduced, and the influence on a driver is avoided; and the expansion rods are arranged in the main rod, so that the whole glass surface is convenient to clean, the cleaning area is increased, and the cleaning efficiency is greatly improved.