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 relates to a sliding type bumper, a lifting arm , a cushioning device and an SRS sensing facility; the sliding type bumper is divided into an inner layer and an outer layer; the inner layer surrounds one circle of a vehicle body, namely, a full-surrounding type; the inner layer is an arc and only is arranged at the vehicle head part and the vehicle tail part to be arc; the inner layer is one circle and is only arranged at the vehicle head and the vehicle tail to be round; the inner layer is provided with an upper slideway slot and a lower slideway slot; the outer layer is a movable frame and can slide at the inner layer; the sliding type bumper is mounted on the lifting arm arranged on a large truck and can be reduced to the height which is proper with the height of a bumper of a small vehicle; the cushioning device of the sliding type bumper can absorb more impact energy and the slide type bumper that is almost contacted and impacted by arc incline completely can enlarge the inclination between two bumpers; impacted vehicles or substances are easily poked by the fast sliding outer layer, transferred and can laterally and safely slide. A direct contact connection type SRS sensing facility has the advantages of simple structure, low cost, being convenient to mount and dismount, being hard to be error and forming a cheap SRS system with the existing air sac module and safety belt tension device, so as to be popularized in the vehicles of middle and lower grades and oversize vehicles.

The invention relates to a household dry cleaning device, a dry cleaning method and a dry cleaning solvent recovery method. A used dry cleaning solvent sequentially passes through a plurality of stages of filtering units, which are connected in series, to be filtered stage by stage so as to reach the standard of cleaning clothes, thereby circularly recovering and recycling the solvent. According to the invention, purification and recovery processing of a distiller on the solvent in the prior art are omitted; and not only can the washing flow be simplified and the solvent is simple, rapid and convenient to recover, but also structures of the distiller and the like in the prior art are omitted, so that the complete machine has a simple structure, equipment volume is reduced and the popularization and application of the dry cleaning machine in families are facilitated.

The invention discloses a multi-device synchronous playing method and a display device. The method comprises the steps: for an anchor device end, receiving a synchronization request sent by a slave playing device after starting to play a target video; in response to the synchronization request, collecting playing progress information of the target video, and synchronously sending the playing progress information to each slave playing device, so that the slave playing devices adjust the target video played at the home terminal to the playing progress the same as the playing progress of the anchor device according to the playing progress information; wherein the anchor device and each slave device are included in a set of devices needing synchronous playing. According to the method and the device, the playing progress of each slave playing device to the target video is uniformly coordinated and controlled by utilizing the public main playing device in the device set, so that multi-device video synchronous playing without HDMI device connection is realized, and the popularization and the use in each scene are facilitated.

The invention relates to a household dry cleaning machine, a dry cleaning method thereof and a method for purifying and recovering a dry cleaning solvent. The household dry cleaning machine comprises a solvent purifying and recovering system and a cleaning barrel, wherein the solvent purifying and recovering system comprises a heating device used for evaporating the solvent; and the heating device is arranged in the cleaning barrel. The heating device for purifying and recovering the dry cleaning solvent is arranged in the cleaning barrel used for replacing a distiller in the prior art, and purifying and recovering treatment is performed on the solvent, so that not only can the cleaning process be simplified, but also the solvent recovery can be simple and rapid; and structures such as the distiller in the prior art are omitted, so that the whole structure is simple, the equipment size is reduced, and the dry cleaning machine can be better popularized and used in family.

The invention discloses a vibration separation shell breaking machine. A feed inlet is on one side of the top end of a tank and is communicated with the internal of the tank. Two shell breaking rollers are arranged below the feed inlet side by side. A peanut sieve plate and a fragment sieve plate are arranged in sequence from top to bottom below the shell breaking rollers. The peanut sieve plate is provided with a plurality of peanut sieve meshes. The fragment sieve plate is provided with a plurality of fragment sieve meshes. The hole diameter of the peanut sieve mesh is larger than the hole diameter of the fragment sieve mesh. Vibrators are arranged on the bottom of the peanut sieve plate and the bottom of the fragment sieve plate. The machine also comprises a fan and a fan connecting rod arranged on a peanut outlet. One end of the fan connecting rod is hinged with the fan, and the other end is hinged with the tank. The air outlet of the fan is inclined downward, facing the fragment sieve plate. The vibration separation shell breaking machine is simple in structure and convenient for production, and is beneficial for popularization and application. The vibration separation shell breaking machine can efficiently realize separation of shells and peanuts, and combined with the fan, fragments in the peanuts are treated, preventing the peanuts wrapped and mixed by the fragments from being collected, and further improving collection efficiency.

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 an actuator based on an excitation tympanic membrane and a hearing aid device thereof. The actuator comprises a piezoelectric mechanism, a fixing and supporting device and an excitation membrane. A top end of the piezoelectric mechanism is provided with a layer of excitation membrane. A tail end of the piezoelectric mechanism is fixedly arranged at a head end of the fixing and supporting device. The excitation membrane is implanted into an ear canal via the fixing and supporting device and fits the tympanic membrane. The fixing and supporting device is supported on the ear canal through a branch supporting device. The actuator, a microphone, a signal processing apparatus and a power supply apparatus form the hearing aid device in the invention. By using the actuator and the hearing aid device, the tympanic membrane can be directly excited so that the tympanic membrane generates vibration and a large degree of hearing damages is compensated; a complex operation technique is not needed during installation.

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 invention discloses a preparation method of an iron-cobalt-carbon composite oxide. The preparation method comprises the following steps: at a first temperature, pumping a premixed specified concentration precipitator into specified mixed liquor in a stirring state at a specified feeding rate, and reacting for a first time period, so that turbid liquid is obtained, wherein the specified mixed liquor is a mixture formed by dispersing a heat-conducting carbon material, iron salt and cobalt salt into a specified solvent in a specified ratio by amount of substance; filtering the turbid liquid to obtain precipitates, and washing the precipitates; drying the washed precipitates for a second time period at a second temperature in a first atmosphere, so that a precursor is obtained; and carrying out heat treatment on the precursor for a third time period at a third temperature in a second atmosphere, so that the iron-cobalt-carbon composite oxide is obtained. The iron-cobalt-carbon composite oxide air electrode catalyst is cheap but has superior performance when being used as a metal air battery catalyst, and popularization and application of the metal air battery are facilitated.

The direct acoustic surface wave touch screen includes emitter mounted in the corner of the touch substrate and striped receiver in the edge of the substrate. Through detecting the voltage drop time in the receiver-output voltage pulse signal envelop after the different ultrasonic waves are emitted by the emitters and absorbed by the touched matter, a linear equation set determined by two different emitters and one touch point and thus the coordinates of the touched point may be obtained. Because several ultrasonic wave emitters may be mounted in the touch substrate, the redundant design of the system may be realized via selecting different transducer combinations.

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 relates to a simple positron nuclide real time detection mask and a detection method; the detection mask comprises the following parts: a mask body (1) that has a plurality of exhale holes (4); a wearing part connected on the mask body (1) and used for fixing the mask body (1); a thick sodium iodide detector (2) arranged on the inner side of the mask body (1) and used for detecting the positron nuclide in the exhaled gas in real time; a display (3) arranged on the outer side of the mask body (1) and connected with the thick sodium iodide detector (2), and used for synchronicallydisplaying the measuring result of the thick sodium iodide detector (2). Compared with the prior art, the detection mask is simple in structure, easy to use, low in cost, and high in detection precision.

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.

The invention discloses a peanut shell crushing machine. The peanut shell crushing machine comprises a cylinder body, a feeding hole and two shell crushing rolls, wherein the feeding hole is formed in one side of the top end of the cylinder body and is communicated with the interior of the cylinder body; the two shell crushing rolls are arranged below the feeding hole side by side; a peanut sieve plate and a chippings sieve plate are arranged below the shell crushing rolls in sequence from top to bottom; the peanut sieve plate is distributed with a plurality of peanut sieve holes; the chippings sieve plate is distributed with a plurality of chippings sieve holes; the hole diameter of each peanut sieve hole is larger than that of each chipping sieve hole; a vibrator is arranged on the bottom of each of the peanut sieve plate and the chipping sieve plate. The peanut shell crushing machine is simple in structure, convenient to produce, favorable for popularization and use and capable of realizing more efficient separation of shells and peanuts due to the arrangement of a fan.

The invention discloses an industrial high-speed centrifugal machine. The industrial high-speed centrifugal machine comprises a centrifugal bin, a feed pipe and a discharge hole, wherein the centrifugal bin adopts a cylindrical and vertical structure, a revolving shaft driven by a motor is arranged on the cylindrical and vertical structure, the two ends of the revolving shaft extend out of the centrifugal bin, the feed pipe is arranged in the hollow structure inside the revolving shaft, one end of the feed pipe is connected with a feed inlet, an impeller is arranged on the revolving shaft, the feed pipe is communicated with the interior of the revolving shaft, a filter screen layer for filtering centrifuged materials is arranged on the two sides of the centrifugal bin, a material buffering plate is arranged at the lower end of the centrifugal bin, a slag hole is formed in the middle of the material buffering plate, and a discharge bin is arranged on the outer side of the filter screen layer. The industrial high-speed centrifugal machine provided by the invention has a simple structure, and can separate centrifuged materials and slag automatically, the cost is low, the replacement is convenient and simple, the maintaining time is short, the maintaining cost is saved, and the industrial high-speed centrifugal machine is convenient for popularized use.

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 wine vacuum bottle cork. The wine vacuum bottle cork comprises a shell, a fixed seat, a rubber cork body and an elastic piece. The rubber cork body is fixedly mounted on the fixed seat. The fixed seat and the rubber cork body are mounted in the shell together. The elastic piece is mounted between the fixed seat and the shell. The rubber cork body is used for being inserted in a mouth of a wine bottle. An air vent is formed in the rubber cork body. An opening is formed in the shell. The air vent is communicated with the interior of the shell. The vacuum bottle cork is used for sealing the wine bottle.

The invention relates to a one-time silicon plastic throat mask, which comprises a ventilate tube, and an aerate mask connected to the tube. Wherein, the mask is formed by connected hollow cylinder air bubble and air bubble base; the air bubble is connected to aerate tube at the edge; the wall of tube is embedded with strengthen liner; the mask can be silicon rubber; the aerate tube is made from non-toxic medical PVC; the aerate tube via the connector with annular cam and annular groove is connected to the mask. The invention has the advantages that: via the match between two connectors and aerate mask, and the connection between connectors and aerate tube, the silicon rubber tube and the plastic tube can be connected firmly. The invention has low cost, while it can avoid repeated application which will cause hypoderm.

The invention relates to the field of kitchen electric appliances, in particular to a domestic electric steel wire cutter. The domestic electric steel wire cutter comprises a shell, a transmission device, a cleaning device, a locking device and a motor. The shell is in an axe shape, a mode diverter switch is arranged on the root part of a handle of the shell, the shell is used for handholding and fixing other devices, and the mode diverter switch is used for controlling the running speed of the motor. The transmission device is clamped in the shell and used for driving a steel wire to move. The cleaning device is fixed to the front part of the shell and used for removing dirt on the steel wire. The locking device is located in the middle of the shell and used for adjusting the tightness of the steel wire. The domestic electric steel wire cutter is simple and small in structure and simple in principle, the domestic electric steel wire cutter can be held by hands to conduct direct operation, the manufacturing cost is low, the problems that an existing domestic electric steel wire cutter is too complex, heavy, complex in use process and high in manufacturing cost are solved, and the domestic electric steel wire cutter facilitates popular use of common families.

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.