75results about How to "Good for popular use" patented technology

The invention provides a 6-dimentional sensory-interactive virtual keyboard instrument system and a realization method thereof. The 6-dimentional sensory-interactive virtual keyboard instrument system comprises a human body auxiliary device, a 3-dimentiaonal camera shooting device, a 3-dimentiaonal projection device, a signal processing unit and a music collection device. The system provided by the invention has various working modes, including a play mode, an optimal fingering prompting mode, a fingering correction mode and a teaching mode, not only can provides a basic play experience for a user, but also has the functions of fingering prompting, fingering correction and teaching demonstration. The 6-dimentional sensory keyboard instrument system provided by the invention is based on the 3-dimentiaonal vision, hearing, touch feeling and press feeling, and the provided virtual instruments comprises a piano, an electronic organ, an accordion, an organ and other keyboard instruments in species, so that the user can feel an interaction effect just like playing a real instrument; and moreover, the system can realize a powerful teaching function, is simple in use method, flexible and space-saving, is the huge breakthrough for a conventional keyboard instrument, and has a very broad application prospect.

The invention relates to a 6-dimentional sensory-interactive virtual instrument system and a realization method thereof. The 6-dimentional sensory-interactive virtual instrument system comprises a human body auxiliary device, a 3-dimentiaonal camera shooting device, a 3-dimentiaonal projection device and a signal processing unit, wherein the human body auxiliary device is used for collecting human body sound information, contact feeling information and press feeling information and converting all the information into signals to be sent to the signal processing unit; and the signal processing unit processes the signals, sends a signal to control the human body auxiliary device to feed back hearing sensing information, contact feeling sensing information and press feeling sensing information, and controls the 3-dimentiaonal projection device to feed back the 3-dimentiaonal vision sensing information. The invention further provides a realization method of a 6-dimentional sensory-interactive virtual instrument. The realization method comprises the four steps of setting, information collection, signal processing and information feedback. The 6-dimentional sensory-interactive virtual instrument system provided by the invention can greatly realize man-machine interaction and virtual reality, a user can feel an interaction effect just like playing a real instrument, and the system has the advantages of powerful function, convenience in use, exquisite appearance and low cost.

The invention discloses a set of flexible microfluid equipment for collecting human body sweat and a sweat collecting and detecting method thereof. The flexible microfluid equipment comprises a base body and a cover plate, wherein the base body is used for providing a module of a passage and a cavity for transmitting and accommodating the sweat, and the cover plate is the semitransparent cover plate used for sealing the base body. The base body comprises a sweat inlet, a sweat outlet and a microfluid passage. The microfluid passage comprises a capillary tube and a microfluid cavity, wherein the capillary tube is used for controlling fluids flowing through the passage in the microfluid equipment, and the microfluid cavity is used for storing the sweat and is provided with a displaying agentinside. The equipment is fixed on the human body, after the sweat enters into the microfluid passage, a + mark on the cover plate is positioned by a mobile software, colors in the microfluid cavity at different positions are scanned, so as to obtain the sweat content at some time; meanwhile, after the sweat collecting is finished, the sweat is extracted from the sweat outlet by an injector, and the sweat is used for storing and conducting medical detection. The equipment is easy in usage, low in raw material and processing cost, capable of being massively produced, and wide in applicability.

The method includes following steps: a) the testing front stage uses preset reference sound file to generate sound data; the sound data is sent to mobile terminal, and is fed back to the testing front stage from mobile terminal via loop back; b) the testing front stage makes separation and extraction for the received feedback sound data to form degrading sound data file; c) with the reference sound file and the degrading sound file, estimation and calculation is made for the sound quality to acquire the quality of sound loaded by tested system. The invention also discloses a device for testing sound quality consists of operating unit, front and back stage communication unit, data generating unit, sendreceive control unit, reception extracting unit, and estimation and calculation unit.

The invention provides an autism evaluation system combining questionnaire and multi-modal paradigm behavior data analysis. The system comprises a questionnaire data acquisition module, a scene module, a plurality of depth image acquisition modules, a voice acquisition module, a control module, a normal form switching and confirmation module, a data synchronization module, a data storage module, adata processing module and a result presentation module. According to the invention, various paradigm tests are carried out on a testee; according to the related characteristic information of the testee in each paradigm test and each paradigm test rule, each paradigm of the testee is scored, and different index scores of the testee and the risk coefficient of suffering from autism are calculatedthrough a machine learning algorithm in combination with questionnaire data, so that autism evaluation and intervention are better carried out.

The invention discloses a device for measuring a settling ratio and an optimal settling ratio of sludge in a mechanical acceleration settling pond and a method for measuring the settling ratio and theoptimal settling ratio of sludge by using the device, wherein the device comprises a shell, a settling assembly, an interface observation assembly and a control assembly, and a cavity is arranged inthe shell; the settling assembly and the interface observation assembly are arranged in the cavity in the shell; the settling assembly comprises two settling pipes which are connected in series, the volume of a first settling pipe is larger than or equal to the volume of a second settling pipe, the first settling pipe communicates with the second settling pipe through a connecting pipe, and the settled and concentrated sludge liquid in the first settling pipe is injected into the second settling pipe. The device of the invention is a portable device with simple structure, small size and compactness, is automatically controlled, is capable of obtaining the settling ratio and the optimal settling ratio of the sludge in the sludge liquid, overcomes artificial subjective factors, has accuratedata measurement, can automatically sample and analyze settling characteristics of the sludge, and provides guidance parameters for tap water treatment operation.

The invention discloses a coli group and colibacillus testing medium which is prepared by dissolving 20 grams of peptone, 5 grams of lactose, 2 grams of bile salt, 1.5 grams of monopotassium phosphate, 4 grams of monopotassium phosphate, 5 grams of sodium chloride, 0.1 gram of 5-bromo-4-chloro-3-indole galactoside, 0.1gram of 4- methylumbelliferone glucuronide, 1 gram of aspartic acid, 0.5 gram of casamino acid, 1 gram of yeast extracts and 20 grams of agar in 1000ml of deionized water, and the coli group and colibacillus testing medium is not only used as a plate medium, can also be used as an analoids form, and is low in cost and convenient to popularize and use.

The invention relates to the field of kitchen appliance, in particular to a transmission gear of an electric steel wire cutter. The transmission gear comprises a driving shaft, a transmission belt, a bevel gear, a V-shaped transmission wheel, three locating transmission wheels, a fastening transmission wheel and a steel wire. The bevel gear is located on the upper left portion of the driving shaft, one end of the bevel gear is connected with the driving shaft through the transmission belt, and the other end of the bevel gear is meshed with the V-shaped transmission wheel. The V-shaped transmission wheel is located under the bevel gear, and the side face of the V-shaped transmission wheel is in the shape of a V-shaped protrusion and attached to the side faces of the locating transmission wheels. The steel wire is clamped between the side face of the V-shaped transmission wheel and the side faces of the locating transmission wheels. The V-shaped transmission wheel is matched with the bevel gear. The three locating transmission wheels are not located on the same straight line, the side faces of the locating transmission wheels are in a concave V shape, and the steel wire is wound around the middle portions of the locating transmission wheels. The fastening transmission wheel is located on the right side of the middle portion between the upper locating transmission wheel and the right locating transmission wheel. The steel wire is wound around the middle of the side face of the fastening transmission wheel, and the fastening transmission wheel is used for controlling the tightness degree of the steel wire. The steel wire is in a closed ring shape. The transmission gear is simple in structure, small, exquisite, simple in principle, convenient to operate, low in manufacturing cost, and capable of being used and popularized among ordinary families.

The invention relates to an electric wind instrument, which is a playing musical instrument. The electric wind instrument comprises a compressed air source apparatus, a pressure regulating valve, a playing pedal, M playing keys and N sounder groups. Each of the sound groups includes a main switching valve and M sounder branches that are in parallel connection and are respectively connected with the main switching valve; each sounder branch circuit includes a switching valve and a sounder, wherein the switching vale and the sounder are connected in series. An output terminal of the compressed air source apparatus is connected with one input terminal of the pressure regulating valve; the other input terminal of the pressure regulating valve is connected with the playing pedal; an output terminal of the pressure regulating valve is respectively connected with input terminals of all main switching valves; output terminals of all main switching valves are respectively connected with the switching valves of all the M sounder branches; and the M playing keys are respectively linked with the switching valves of all the sounder groups. According to the invention, there is no need for a player to carry out blowing, so that the physical requirement of the player and the difficulty of the beginner can be reduced and thus popularized usage of the musical instrument can be realized beneficially. Moreover, solo playing and joined playing can be carried out by one player, so that the electric wind instrument plays an important role in promoting the literature and art development.

The invention belongs to the field of metal surface treatment, and particularly relates to a processing technology for manufacturing antique brass through aluminum. The processing technology for manufacturing antique brass through aluminum includes the following steps that (1) surface treatment is conducted on an aluminum piece; (2) surface copper plating is carried out; (3) the treated aluminum piece is put into a chemical solution to be soaked for 5-10 min, color coated treatment is performed, and then the aluminum piece is washed by clear water; (4) wiredrawing treatment is conducted on the colored aluminum piece; (5) varnish is sprayed on the surface of the aluminum piece, and after drying, a finished product is manufactured. According to the method, aluminum can be used for preparing antique brass, the processing technology is simple, the processing cost is low, aluminum and copper are both good in corrosion resistance, aluminum is low in cost compared with copper, and therefore the processing technology is beneficial to popularizing and applying antique brass.

The invention discloses a comprehensive carrying device for an acoustic-magneto-optical detector of an underwater robot, and belongs to the technical field of comprehensive carrying devices for acoustic-magneto-optical detectors of underwater robots. An acoustic response beacon is fixedly arranged at the top of the underwater robot, and a second floating body material is fixedly assembled on a dragging rod; tilt angle sensors are fixedly arranged at the assembly position of the height control rod and the towing rod and on the towing rod, a response type acoustic beacon is fixed to the electromagnetic detector, a USBL sonar array is fixedly arranged at the bottom of the water surface tugboat, and a second towing rope with a sheath is wound and assembled on the winding and unwinding pulley block structure. Third floating body materials are evenly and fixedly assembled on the upper portion of the second dragging rope with the sheath, dragging positioning weights are evenly and fixedly assembled on the lower portion of the second dragging rope with the sheath, the underwater acoustic-magneto-optical detector can be carried by the underwater robot at the same time, simultaneous application of the underwater acoustic-magneto-optical detector is achieved, and the height of the electromagnetic detector can be accurately calculated.

The invention discloses a device for preparing oxygen and nitrogen. The device comprises an air compression and purification unit connected with an air inlet, a compressed air storage tank connected with the air compression and purification unit through a pipeline, a carbon molecular sieve tank provided with a carbon molecular sieve inside and connected with the compressed air storage tank through a pipeline, and a nitrogen storage tank and an oxygen storage tank connected with the carbon molecular sieve tank through pipelines respectively, wherein a first electromagnetic valve is arranged on the pipeline between the carbon molecular sieve tank and the compressed air storage tank, the nitrogen storage tank is connected with a nitrogen outlet through a pipeline, the oxygen storage tank is connected with an oxygen outlet through a pipeline, a second electromagnetic valve is arranged on the pipeline between the carbon molecular sieve tank and the nitrogen storage tank, and a third electromagnetic valve is arranged on the pipeline between the carbon molecular sieve tank and the oxygen storage tank. By the adoption of the device, separation of nitrogen and oxygen can be achieved through one carbon molecular sieve tank. In this way, compared with the prior art, the device has the advantages that cost is saved, the structure is simplified, and popularization in families and vehicle-mounted usage are facilitated.

The present invention relates to motion inductor and its motion inducing method. The motion inductor incldues circuit board, switch with contacts, mercury ball, sealing casing, cured sealing layer, signal outputting wires, casing, etc. The mercury ball in motion will contact with different switch contacts to connect different circuits and to form different circuit on-off states, and the signals are transmitted to the signal processor to analyze and judge the motion state of object. The motion inductor of the present invention has simple structure, low cost and accurate induction, and may be used widely in the measurement of motion state of human body and objects.

The invention belongs to the technical field of electrochemistry, and particularly relates to a non-combustible high-safety sodium ion battery. The lithium ion battery comprises a positive electrode, a negative electrode and an electrolyte, wherein the electrolyte comprises a sodium salt, an ester solvent and a flame retardant; wherein the sodium salt is selected from one or more of NaNO3, Na2SO4, Na3PO4, NaI, NaPF6, NaTFSI, NaFSI or NaTFMS, and the flame retardant is selected from one or more of trimethyl phosphate, triethyl phosphate, tributyl phosphate, dimethyl methylphosphate, diethyl ethylphosphate, diphenyl isopropylphenyl phosphate or hexamethylphosphoramide. Electrolyte used by a traditional sodium ion battery is combustible, and the safety of the battery is damaged. The sodium-ion battery electrolyte provided by the invention is non-combustible, so that the sodium-ion battery electrolyte shows a safer characteristic compared with a traditional sodium-ion battery, and has a certain application prospect in the aspects of large energy storage and power batteries.

A cloth beating and loosening apparatus comprises a rotary arm, a long shaft, a bearing pedestal, a motor, a first belt pulley, a second belt pulley and a belt, and is characterized in that the rotary arm is composed of two support arms and a bent rod, wherein one pair of ends of the two support arms are respectively fixedly connected with two ends of the long shaft, the other pair of ends of the two support arms are respectively fixedly connected with two ends of the bent rod, and the support arms and the bent rod are in a same plane; two ends of the long shaft are respectively arranged on the bearing pedestal via a bearing; the second belt pulley is fixedly installed on one end of the long shaft; the first belt pulley is fixedly installed on the driving shaft of the motor, and is connected with the second belt pulley via the belt; and the cloth beating and loosening apparatus is fixedly installed on a frame crossbeam between a centering screw roller and a centering apparatus. According to the cloth beating and loosening apparatus, the rotary arm is driven by a driving device to regularly beat cloth fabric and enable the cloth surface to be shaken, so that the stentering effect of the centering screw roller is improved, and the incompletely-expanded cloth fabric is loosened and expanded, and the production quality of the fabric is effectively guaranteed.

The invention discloses a three-way catalyst temperature control protection support. The three-way catalyst temperature control protection support comprises a support body. The support body comprises a center installation portion, an upper installation portion, a lower installation portion, a left installation portion and a right installation portion, wherein the upper installation portion, the lower installation portion, the left installation portion and the right installation portion are fixedly and respectively connected with the center installation portion. An observation opening is formed in the center installation portion. A first groove is formed in the lower installation portion. A temperature sensor is installed in the first groove. A fan is arranged on the inner wall of the left installation portion. A second groove is formed in the right installation portion. A controller is arranged in the second groove. The symmetric portions of the left installation portion and the right installation portion are respectively provided with a three-way catalyst installation hole. The three-way catalyst temperature control protection support has the advantages of being simple in structure, convenient to install, low in machining cost and capable of increasing the installation strength of a three-way catalyst, adjusting the operation temperature of the three-way catalyst, making the three-way catalyst work within the best temperature range and guaranteeing the use safety.