42results about How to "Save cost resources" patented technology

The invention discloses a speaker recognition method based on a convolution neural network and a spectrogram, and the method comprises the following steps: firstly collecting an audio signal of each speaker; secondly converting the audio signals into the spectrogram; thirdly taking an image as an input layer, and training the neural network through AlexNet training; fourthly adjusting the weight values and biases of all layers of the neural network layer by layer through a reverse propagation algorithm; finally obtaining the parameters of the neural network, and classifying the speakers. The method achieves the quick recognition of the speakers through a convolution neural network processing method.

The invention discloses a method and system for booking a parking stall and selecting a parking lot based on an App on a mobile terminal. A server acquires parking lot data, stores the parking lot data in a database, sends received and stored data to a management center through a network, and communicates with the mobile terminal. A management center processes a request signal sent by the mobile terminal and assigns a parking stall according to the obtained parking lot data. The App software is installed on the mobile terminal, and allows a user to inquire the parking lot information and book a parking stall in a parking lot. In this way, a user can book a parking lot more conveniently, labor cost is reduced, cost and resources are saved, and intelligent parking lot management is facilitated.

The invention relates to a computer cooling device. The computer cooling device comprises a plurality of annular cooling metal fins; each annular cooling metal fin comprises a base, a heat absorbing layer, a heat-conducting layer and a cooling layer, wherein the heat absorbing layer, the heat-conducting layer and the cooling layer are all arranged on the base, the heat absorbing layer is located at the center of the base, the heat-conducting layer covers the heat absorbing layer, the cooling layer covers the heat-conducting layer; the base and the heat absorbing layer are made of the same materials which include 20%-40% of silicon, 30%-50% of copper, 5%-15% of gold and 10%-30% of aluminum in percentage by weight, and all the materials are evenly mixed together and then molded in a die-casting manner; the heat-conducting layer is made of materials including 20%-60% of aluminum and 40%-80% of copper in percentage by weight, and the materials are evenly mixed together and then molded in a die-casting manner; the cooling layer is made of aluminum. The computer cooling device is good in cooling effect and low in cost.

The invention relates to the technical field of intelligent service pushing, and particularly discloses an intelligent service recommendation method based on a neural network mining model, which comprises the following steps: acquiring user data and preprocessing the user data; taking the preprocessed user data as data source input, and constructing a neural network model in combination with an activation function, training data and adjusting errors; and calculating a utility function of the user according to data output of the constructed neural network model, calculating user similarity anduser interestingness of the user to a service product in combination with a recommendation algorithm, constructing a hybrid service recommendation model, and establishing and displaying a hybrid service recommendation list by the constructed hybrid service recommendation model. According to the service intelligent recommendation method based on the neural network mining model, the coverage serviceproduct range is wider, the same set of model is utilized, the service recommendation standard is unified, and the priority ranking problem of service product recommendation can be solved while the accuracy and timeliness of service product recommendation are met.

The invention relates to the field of trucks and discloses a novel tray truck and a carrying method thereof. The novel tray truck comprises a truck main body, fork legs and an operating system, wherein the operating system is arranged behind the truck main body; each fork leg is arranged in front of the truck main body; the truck main body comprises a support, goods stopping holders and accessories, wherein the goods stopping holders are movably connected to the support; the accessories are movably connected to the fork legs through hinges; the front ends of the fork legs are provided with guide blocks. The truck can be matched with different trays by means of the adjustment of the goods stopping holders and the accessories. The length and the height of the fork leg can be adjusted by means of increase of the goods stopping holders and the accessories, and thus the novel tray truck can adapt to different trays, and the cost resource is reduced; in addition, the novel tray truck is convenient and practical; the guide block can be conveniently guided into the tray, so that the collision between the tray and the fork leg is avoided, and the service life of the fork leg and that of the tray are prolonged.

The invention relates to the technical field of the data transmission connecting terminal, especially to a data transmission plate of a terminal and a preparation process thereof. The data transmission plate is characterized in that a plurality of recessed terminal plate slots are formed in an insulting body; and electroplating terminal plates are embedded into the terminal plate slots tightly. In addition, the process includes: an insulting body forming step, an electroplating zone activation step, and a step of electroplating terminal plate forming by electroplating. Because the electroplating terminal plates are formed in the terminal plate slots, metal stamping for forming electroplating terminal plates is not required when the terminal is formed, thereby saving lots of material resources, manpower, and materials. Besides, on the basis of tight combination of the electroplating terminal and the terminal plate slot, PCB-based positioning is not needed and line connection can be carried out directly at the electroplating terminal plates at the rear of the insulating body, so that there is no need to use a traditional PCB connecting plate to carry out positioning and connecting. Moreover, the structure is simple and the costs and resources are saved.

The invention belongs to the technical field of insole detection devices, and particularly disclosed an intelligent insole capable of detecting pes supinatus and pes pronatus different in size. The insole includes an insole body, a processor terminal and an adjusting mechanism; the adjusting mechanism includes a vertical rod, a toe cross rod, a foot arch cross rod, a heel cross rod, a toe connecting block, a foot arch connecting block and a heel connecting block. By adopting the insole, pressure data of six areas of a planta pedis can be detected, judgement of pes supinatus and pes pronatus can be achieved according to the pressure data, and meanwhile, by means of rotary connection between the vertical rod and each cross rod, the size of the insole is changed, one pair of the insoles can be designed for different sizes, and therefore the insole can be used by multiple people to detect different foot sizes, and is convenient to operate, capable of saving the cost and suitable for detection in hospitals and the like.

The embodiment of the invention provides a clock correction method and a Bluetooth chip. The Bluetooth chip comprises a phase-locked loop used for generating a working clock of the Bluetooth chip according to a reference clock; an oscillator used for providing the reference clock to the fractional phase-locked loop; a radio frequency antenna used for receiving a radio frequency signal; a signal processing circuit used for demodulating the radio frequency signal to obtain an access code of a Bluetooth data packet; a deviation calculation circuit used for calculating a clock frequency deviationaccording to the access code; and a correcting circuit used for adjusting the frequency dividing ratio of the phase-locked loop according to the clock frequency deviation.

The invention relates to a urine receiver for gynecological nursing. The urine receiver realizes automation of urine receiving; meanwhile, the urine receiver can also reused, so that the cost resources of a hospital are saved; the urine receiver comprises a seat and a closestool; a closestool hole located above the closestool is formed in the seat; the seat is glidingly provided with a drainage device; the drainage device is detachably provided with a urine receiving funnel; the drainage device is connected with a transmission device; the seat is glidingly provided with a cleaning device located at the rear side of the drainage device and a drying device at the front side; the cleaning device and the drying device are both connected with the transmission device; a closed bin is fixedly installed below the seat; and a flow distribution device fixedly connected with the drainage device is fixedly installed in the closed bin. With the cooperative use of a left flow distribution tube, a right flow distribution tube, drive fan blades and a drive rack, it is guaranteed that urine taken is midstream urine, and thus, the physical condition of an examinee is truly reflected during urine detection, and the problem that the midstream urine is hard to take by using an existing device is solved.

The invention discloses a lifting and rotating device for an automobile chassis. The lifting and rotating device for the automobile chassis comprises a bottom plate, sliding blocks, a top plate and chassis supporting tables, grooves are fixed in the front end and the rear end of the bottom plate, the sliding blocks are welded to the inner sides of pushing plates, moreover, a first supporting arm and a second supporting arm are welded on the inner sides of the sliding blocks correspondingly, the top plate is slidably connected to the upper end of the first supporting arm and the upper end of the second supporting arm, moreover, a first sliding rail and openings are arranged on the top plate correspondingly, the lower portions of the chassis supporting tables are connected with the top platethrough the first sliding rail, moreover, the inner sides of the chassis supporting tables and a second gear are clamped through first gears, and the left end and the right end of the lower portion of a main shaft are connected with a second sliding rail through longitudinal electric telescopic rods. According to the lifting and rotating device for the automobile chassis, the height of the automobile chassis can be adjusted and angle of the automobile chassis can be changed according to needs in the process of displaying the automobile chassis, so that the flexibility of the lifting and rotating device is improved, and the automobile chassis can be comprehensively displayed conveniently.

The invention discloses a PCB device welding method and device, and the method comprises the steps of pre-determining an area easy to be heated and deformed, of a PCB before the layout design of the devices on the PCB; designing the layout positions of the devices in other areas except the area easy to be heated and deformed, of the PCB; and welding the devices through a pre-designed screen plateaccording to the designed layout positions of the devices. According to the present invention, firstly, by determining the area easy to be heated and deformed of the PCB before layout, keeping away the layout position of the devices from the area with the maximum deformation, and then welding after the reasonable layout is completed, so that the problem of poor device welding is effectively solved, and the maintenance cost, manpower cost and the like caused by the poor welding are effectively saved. the PCBA device welding method and device is suitable for all PCBA board cards with large device chips, a large number of cost resources can be saved, the yield of the good products is effectively enhanced, and therefore the productivity benefits and economic benefits are increased.

The utility model discloses an automatic cooling and radiating device for a lithium ion storage battery pack, and particularly relates to the field of high-specific-energy and high-magnification unmanned aerial vehicle power utilization. A plurality of temperature sensors are arranged in the battery pack, and the temperature sensors collect the internal temperature of the lithium ion storage battery pack; the control system is used for processing temperature data acquired by the temperature sensor; when the temperature in the battery pack is higher than a certain value, a phase-change materialis used as a heat flow meter of the heat sink, latent heat of the phase-change material is used for continuously absorbing heat, received by the heat flow meter, in the battery pack, the control system controls starting and rotating speed of the fan and accelerates flowing of air flow in the battery pack, and the air flow brings the heat to the external environment to the maximum extent through aheat dissipation window by adjusting the air direction of the fan. When the internal temperature of the battery pack is lower than a certain value, the control system controls the fan to be turned off, so that the temperature of the battery pack is kept at a set stable temperature under a high-magnification use condition of the battery pack, and efficient operation of the battery pack is realized.

An automatic cooling and heat dissipation device for a lithium-ion storage battery pack, in particular relates to the field of electricity consumption by high-specific energy and high-rate unmanned aerial vehicles. Several temperature sensors are arranged in the battery pack of the present invention, and the temperature sensor collects the internal temperature of the lithium-ion storage battery pack; Shen's heat flow meter uses the latent heat of the phase change material to continuously absorb the heat inside the battery pack received by the heat flow meter. The control system controls the opening and speed of the fan to accelerate the flow of airflow inside the battery pack, and then adjusts the wind direction of the fan to make the air flow Maximize the heat to the external environment through the heat dissipation window; when the internal temperature of the battery pack is lower than a certain value, the control system controls the fan to be turned off, so that the temperature of the battery pack can be kept at The set stable temperature realizes the efficient operation of the battery pack.

The invention discloses an ultra-short-distance landing system of a fixed-wing unmanned aerial vehicle, and particularly relates to the shortening of a skating distance after the fixed-wing unmanned aerial vehicle flies and lands. According to the system provided by the invention, in an electromagnetic field environment, the fixed-wing unmanned aerial vehicle generates Ampere force through skating, so that the fixed-wing unmanned aerial vehicle quickly slows down and stops stably in an ultra-short distance. The ultra-short-distance landing system of the fixed-wing unmanned aerial vehicle comprises a composite power supply module, the fixed-wing unmanned aerial vehicle, an airborne ampere force generating device, an airborne ampere force generating device control module, an airborne signal receiving device, a ground sensor device, a ground signal transmitting device, a ground magnetic field generating device and a ground magnetic field generating device control module. The composite power supply module provides a stable high-current large-turn rectangular circuit for the frame of the wing of the fixed-wing unmanned aerial vehicle, the fixed-wing unmanned aerial vehicle lands in the environment of the ground magnetic field generating device, the wing continuously cuts the magnetic field, Ampere force opposite to the skating direction is generated, and acceleration opposite to the movement direction is provided, so that the effect of rapid short-distance arresting is achieved. The ultra-short-distance landing system for the fixed-wing unmanned aerial vehicle has the advantages that the effective acceleration is large during landing, the deceleration effect is outstanding, the landing effect is improved, and the landing time is shortened.

The invention discloses a design method for solving the problem of connector dropping PAD, which belongs to the technical field of PCBA boards. For the PCB Layout next to the connector, without changing the size of the leaking PAD, the design method is to increase the copper foil area of ​​the Pin pin , to strengthen the tensile strength of the PAD; the width of the pin copper foil is at least twice the width of the PAD, and the length of the pin copper foil is at least 1.2 to 1.5 times the length of the PAD. The present invention is applicable to all boards with such similar connectors, and effectively solves the problem of the PAD of the connector being dropped, as well as maintenance costs, board scrapping costs, and labor costs caused by this defect.

The invention discloses an online hollow cable and a diameter expansion mechanism for processing the same. The online hollow cable comprises an aluminum tube, a copper tube and an insulating jacket layer, the aluminum tube is mounted inside the copper tube in a sleeved manner, a main insulating layer is connected outside the copper tube in a sleeved manner, a semiconductive layer is connected outside the main insulating layer in a sleeved manner, a shielding protection layer is connected outside of the semiconductive layer in a sleeved manner, and the insulating jacket layer is connected outside the shielding protection layer. Structural features of conventional buses are changed according to characteristics of current; by adopting a tubular structure and shielding insulation technology, dead weight is reduced, and the online hollow cable is safe, reliable, energy-saving and material-saving. Aluminum is used to save copper, so that cost is lowered substantially, and the nation and thepeople can be benefitted; an insulation shielding material can be used in various severe natural conditions, has excellent electrical performance and chemical stability and is little in medium loss, flame-resistant and aging-resistant, and service life is longer than 40 years. The shielding material is a copper film or an aluminum film. A shielding magnetic field is uniform in distribution, localdischarging potential is improved, and electric energy loss is lowered.

The invention discloses a method and device for a user to adaptively connect with a base station for communication, a medium and equipment, and the method comprises the following steps: constructing a network topology which comprises a macro cellular base station, a plurality of small cellular base stations and a plurality of users; setting a communication condition of the user; under the condition, calculating the rate of the user in uplink transmission; solving a mode for the user to connect the base station with the maximum energy efficiency by taking the user as the center, constructing an energy efficiency maximization calculation model, and calculating a connection mode matrix according to the maximization calculation model; constructing a constraint model; and substituting the connection mode matrix into the constraint model, and solving an optimal resource allocation scheme taking the user as the center. A user selects an optimal connection mode through maximization of energy efficiency, and the total cost consumed by the user is optimized to the maximum extent by determining a mode for connection with the base station through the user, and the total cost comprises power consumption consumed by the user in uplink transmission and bandwidth allocation.

The invention discloses a shoe. The shoe comprises a sole, an insole and an upper. A plurality of through holes are formed in the bottom of the sole, the interiors of the through holes are detachablyconnected with medicine storage devices, first holes corresponding to the medicine storage devices are formed in the insole, and distribution of the medicine storage device corresponds to that of acupoints of the human body. According to the shoe, medicine effects in the medicine storage devices are transmitted to the interior of the shoe to constantly treat foot diseases, so that the treatment effect is better, and time and strength are saved.

The invention discloses multi-station cooling equipment for composite glass fibers. The multi-station cooling equipment comprises: a plurality of cooling mechanisms arranged in a horizontal direction and used for independently receiving the composite glass fibers sent out by corresponding gum dipping grooves and cooling the composite glass fibers; station areas, which is arranged below the cooling mechanisms; a collecting mechanism, which is arranged below the cooling mechanisms and can move to any station area in the horizontal direction so as to collect the composite glass fibers formed by the corresponding cooling mechanism; and a driving mechanism, which is used for driving the collecting mechanism to move. The multi-station cooling equipment of the invention has the following advantages and effects that only one collecting mechanism is used, and the collecting mechanism can move to reach the station area below each cooling mechanism so as to achieve the purpose of collecting the formed composite glass fibers; and one corresponding collecting mechanism does not need to be arranged below each cooling device, so the great advantage of cost reduction is achieved.

The invention discloses a cellulose nanofiber-assisted nitrogen-doped carbon nanocage flexible film and a preparation method thereof, and belongs to the technical field of carbon nanomaterials. The preparation method comprises the following steps: selecting a carbon deposition template, performing atmosphere washing, heating a tubular furnace, introducing acetonitrile, carrying out washing and freeze-drying, and diluting cellulose nanofibers to form a suspension; and adding a nitrogen-doped carbon nanocage, performing ultrasonic treatment and cooling, sequentially carrying out vacuum filtration and freeze drying to obtain a paper-like carbon nanocage nanocellulose film, and calcining the paper-like carbon nanocage nanocellulose film in an inert atmosphere to obtain the novel nitrogen-dopedcarbon nanocage flexible film. The product has a regular and controllable skeleton structure and a high specific surface area, has micropores, mesopores and macropores at the same time, can be applied to sodium ion batteries and sodium ion capacitors to show an excellent electrochemical performance, and can also be applied to air purifiers and gas sensitive elements.

The invention relates to a horizontal type glass detection platform. The horizontal type glass detection platform comprises an approaching edge segment, a detection segment and a transition segment, wherein the detection segment is located between the approaching edge segment and the transition segment, the approaching edge segment comprises an approaching edge platform, a first glass conveying device used for driving glass to move on the approaching edge platform and an edge approaching device used for abutting the glass against the side edge of the approaching edge platform, the detection segment comprises a measurement table, a second glass conveying device used for driving the glass to move on the measurement platform, an X-axis measurement device used for measuring the transverse length of the glass, a Y-axis measurement device used for measuring the lengthways length of the glass and a thickness measurement device used for measuring the thickness of the glass, and the transition segment comprises a transition table and a third glass conveying device used for driving the glass to move on the transition table. After the glass passes through the approaching edge segment, the detection segment and the transition segment, measurement of the glass can be completed, the glass is conveyed to a glass processing device or conveyed to a glass storing device to be stored, and furthermore the horizontal type glass detection platform is high in glass detection efficiency, multiple in function, and strong in practicability.

The invention discloses a method and a system for solving the problem of continuous tin electro-deposit inside 0402-type RCL parts. The method includes the following steps: creating a detection module, and detecting the spacing between the two PADs of a current PCB through the detection module; creating a comparison module, and comparing the spacing data of the two PADs detected with the spacing data of two PADs which are proved through simulation to have the problem of continuous tin electro-deposit; and when the spacing between the two PADs detected is smaller than or equal to the spacing between the two PADs which will have the problem of continuous tin electro-deposit, confirming the positions of two electrodes of a part frame, cutting off the inner sides corresponding to the two PADsaccording to the positions of the two electrodes of the part frame to make the distance between the PADs of the PCB reach a spacing without continuous tin electro-deposit. The method and the system are applicable to the production of PCBAs of all electronic products, and can reduce the maintenance cost, board scrap cost, manpower cost and the like brought about by continuous tin electro-deposit. Alot of cost resources are saved, and the output of qualified products is increased. Therefore, the production efficiency is increased, and greater economic benefit is brought to companies.

The invention discloses a design method of preventing dust entering an RF antenna, and belongs to the technical field of mobile phone PCBA board card. The design method of preventing dust entering anRF antenna is characterized in that during the process of PCBA board dividing, the distance between a PCB cutting point and an RF device is no less than 15mm; and the RF device is provided with a film, and the film covers the surface of the RF device for preventing bad conduction by preventing the dust entering the RF device. The design method of preventing dust entering an RF antenna is suitablefor all the board cards with an RF antenna device, and can effectively control occurrence of bad testing of the RF device, thus saving high cost, improving the production power, saving the cost from manpower, and reducing the fraction defective so as to reduce maintenance, scrapping and cost.