43results about How to "Easy to observe and understand" patented technology

The invention provides an intelligent tester and a testing method for testing a gas ratio and a heat capacity ratio. The tester comprises a gas storage unit, a control unit and a gas injection unit, wherein the gas storage unit comprises a gas storage bottle, a sealing plug and a gas guide tube; the control unit comprises a differential pressure sensor, a temperature sensor, a data acquisition unit, an industrial control terminal, a touch screen, an electromagnetic valve, an electromagnetic valve control circuit and a power supply module; the sealing plug is mounted at an upper opening of the gas storage bottle; the signal acquisition ends of the differential pressure sensor and the temperature sensor are respectively inserted in the gas storage bottle and the signal output ends of the differential pressure sensor and the temperature sensor are respectively connected with the data acquisition unit; the data acquisition unit is connected with the industrial control terminal; the electromagnetic valve is arranged on the sealing plug of the gas storage bottle; the electromagnetic valve is connected with a data acquisition card by the electromagnetic valve control circuit. According to the invention, a sensor measurement technology is combined to improve a conventional adiabatic expansion method and measurement on a (reference to the specification) is carried out. An error caused by man-made judgment can be effectively avoided; data is recorded in real time, so that the thermotics process can be more visually reflected and the understanding of an experimenter is deepened.

The invention relates to a movable device for a comprehensive water pump series-parallel connection experiment, belonging to the technical field of a hydraulic experiment device. The movable device comprises a water pump system, a control box, a connection pipeline and a switchover valve; an experiment system is fixedly arranged on a movable frame with wheels; a water pump, a water tank, a flow meter, a control box and a pipeline of the experiment system are fixedly arranged on a bracket and a rung of the movable frame; the water pump system comprises a water pump, a temperature sensor, an inlet valve, a vacuum meter, a pressure meter, a Venturi flow meter, a flow adjusting valve, a rotor flow meter, a water input pipe and a water transmission pipe; the water input pipe is connected with the water pump and the water tank; the water input pipe is connected with the water pump and a general water output pipe; the outlet of the general water output pipe is connected with the water tank; and the water transmission pipes of two sets of the water pump systems are connected in series or parallel through the switchover valve so as to obtain a feature curve of the water pump. The movable device provided by the invention has the advantages that: the whole device can be moved; the water is convenient to discharge and the use ratio of a laboratory is improved without building a special laboratory; and the connection relation among the components can be directly displayed; and therefore, the movable device is good for teaching.

A simulation building model for the teaching use comprises a foundation, a wall body, a stair, a middle corridor, floor slabs and a roof which are made of solid elements and perspective units for observation. In the invention, the perspective view blocks facilitating the observation of students and the solid elements are provided, and the model has the advantages of facilitating the understanding of students, and improving the teaching safety and reliability.

The invention discloses a chemical dosing device and method for a sewage treatment system. The chemical dosing device comprises a tank body, a mounting plate, a limiting block and a feeding pipe, wherein the mounting plate is arranged on a side face of the tank body; the limiting block is arranged at the bottom of the mounting plate. The chemical dosing device disclosed by the invention has the beneficial effects that a servo motor drives a stirring roller to rotate and chemicals can be stirred; a feedback control circuit composed of a temperature sensor, a control host and an electric heatingplate can be used for keeping heat of the chemicals in the device to a pre-set temperature value, so as to prevent the chemicals from being caked in a chemical storage process; meanwhile, the plurality of devices can be spliced through grooves and bulges, so that various chemicals are added; a feedback control circuit composed of a flow sensor, a control host and a solenoid valve can be used forautomatically controlling a chemical dosing amount to a pre-set value; meanwhile, the chemical amount in the tank body can be monitored in real time through an infrared camera and is displayed on a display screen, so that utilization functions of the device are enriched and the device is easily popularized and utilized in a large range.

The invention discloses a selling cabinet with high safety performance for selling computers. The selling cabinet includes a cabinet body, universal wheels are connected to the four corners of the outer wall of the bottom of the cabinet body through fastening bolts respectively, and the middles of the inner walls of the two sides of the cabinet body are both connected with transverse clapboards through fastening bolts, wherein the transverse clapboards are distributed at equal intervals. Floodlights are connected to the two sides of the bottom of each transverse clapboard and the two sides ofthe inner wall of the top of the cabinet body through fastening bolts respectively; grooves are formed in the middle of the bottom of each transverse clapboard and the middle of the outer wall of thebottom of the cabinet body respectively, a rotating motor is connected to the inner wall of the top of each groove through fastening bolts, and limiting grooves are formed in a circumferential part ofthe top of each transverse clapboard and a circumferential part of the inner wall of the bottom of the cabinet body respectively. The computers can be displayed in all directions, convenience is provided for consumers to observe and know about the computers, and the selling cabinet rotates stably, so that the computers do not fall off easily. The selling cabinet has a great anti-theft function, the cabinet body and the computers displayed in the cabinet body are protected from damage, and the safety performance of the selling cabinet is improved.

The invention discloses a big data detection cloud platform, and belongs to the technical field of Internet interaction of inspection and detection. The system comprises a sample registration module used for registering and collecting sample information; The detection basis module is used for associating a detection item with the sample information; The inspection standard module is used for determining an inspection standard according to the detection basis module; The detection module is used for providing information of the detection mechanism according to the inspection standard; The ordermodule is used for order management of the user; And the detection process module is used for processing the order of the user and generating structured data. The modules cooperate with one another and operate together, various data resources and information flow under the guarantee of system regulations and can be quickly connected with other systems to form an open information system with a unified data standard and a unified technical standard, and meanwhile, the open information system is easy to use, manage and maintain.

The invention relates to the technical field of sludge treatment equipment simulation training, in particular to a pneumatic ash conveying simulation system. The pneumatic ash conveying simulation system comprises a pneumatic ash conveying model and a control module; the pneumatic ash conveying model comprises a bracket, and a shell supported on the bracket; the shell is transparent, and a cavityis formed inside; a transparent pipeline, communicating with the cavity, is inserted in the shell; a transparent valve is arranged on the transparent pipeline; a first indicating lamp strip for representing a medium is arranged in the transparent pipeline; the first indicating lamp strip is connected with the control module; and the control module controls brightening or extinguishing of the firstindicating lamp strip to demonstrate the flowing direction of the medium and the opening or closing of the valve. The internal structure and the operation working conditions of a pneumatic ash conveying device can be preferably shown; and the advantages of direct displaying, convenience to observe and master and good demonstration effect are achieved.

The invention discloses a vehicle rearview mirror alarming system. The system comprises a processing control module, an information collection module, a video displaying module, a range sensing module, a camera module, an alarming module, a driving detecting module and a light detecting module, the signal receiving end of the processing control module is electrically connected with signal transmitting ends of the information collecting module, the video displaying module and the camera module, and the information collecting module comprises a memorizer and a micro processing unit. The vehiclerearview mirror alarming system is in signal connection with the video displaying module and the processing control module through the camera module, a driver can be helped to know the situation behind a vehicle through videos to improve driving safety, and the brightness outside the vehicle can be detected through the light detecting module and a comprehensive judging module to help the driver toobserve the situation behind the vehicle and make countermeasures.

The invention discloses an interior temperature safety monitoring system for automobiles in summer. The system is composed of a vehicle-mounted ECU (engine control unit), a central processing unit, a signal emitter, a temperature monitor, a monitoring unit, an intelligent infrared sensor, an alarm, a vehicle body, vehicle doors and a vehicle-mounted battery. The system is characterized in that the vehicle-mounted ECU is installed in the vehicle body; the central processing unit is connected with the vehicle-mounted ECU; the signal emitter is connected with the central processing unit, and used for emitting wireless signals to the mobile phone of the vehicle owner; the temperature monitor is installed inside the vehicle body, positioned on the top in the vehicle body, and connected with the central processing unit; the monitoring unit is installed on the top in the vehicle body, and connected with the central processing unit; the intelligent infrared sensor is connected with the central processing unit, and installed on the back side in the vehicle body; the alarm is installed on the back of the vehicle body, and connected with the central processing unit; and the vehicle-mounted battery is installed in the vehicle body.

The invention discloses a power-intelligently adjustable distributed LED power supply for a railway compartment. The power-intelligently adjustable distributed LED power supply comprises a mounting plate, a shell is mounted at the top of the mounting plate, a supporting frame is mounted on the bottom wall of the inner side of the shell, a supporting plate is mounted on the inner side of the supporting frame, a base plate is mounted at the top of the supporting plate through bolts, an embedding plate is installed on the inner side of the top of the shell in an embedding mode, a top plate is installed on the top of the embedding plate, a temperature and humidity displayer is installed on the top of the top plate through bolts, a wire bunching hole seat is installed on the inner wall of the shell in a penetrating mode, and an electric wire is installed on the inner side of the wire bunching hole seat in a penetrating mode. According to the power-intelligently adjustable distributed LED power supply for the railway compartment of the invention, a transformer is installed; the power of output electric power is preset by a worker; voltage and current are converted through the transformer, so that the voltage and current are in a degree suitable for use in the compartment, the safety of electric appliances in the compartment is ensured; an operator can conveniently adjust the output power of the electric power according to needs, and the adjusted current enters a rectifier.

The invention discloses dumbbell fitness equipment capable of counting and storing. The dumbbell fitness equipment comprises a box body, wherein a dumbbell groove with an upward opening is formed in atop wall of the box body, the top wall of the dumbbell groove is matched and connected with a top cover, automatic magnesium powder brushing mechanisms are symmetrically arranged on the front side and the rear side of the dumbbell groove, a dumbbell is arranged in the dumbbell groove, cambered surface cushions are symmetrically arranged on lower sides of left and right ends of the dumbbell, bottom walls of the cambered surface buffer cushions are fixedly connected with first sliding blocks, the first sliding blocks are located in first sliding grooves with upward openings and slidably connected with the first sliding grooves, bottom walls of the first sliding blocks are connected with the first sliding grooves through first springs, pull ropes are fixedly connected with bottoms of rear end walls of the left-right first sliding blocks, a right end of the left-side pull rope and a left end of the right-side pull rope are fixedly connected with a rack, a counting groove which is locatedin the front side of a left end of the dumbbell and provided with a backward opening is formed in a front end wall of the dumbbell groove, and a counting mechanism is arranged in the counting groove.The dumbbell fitness equipment is advantaged in that automatic counting of the dumbbell can be achieved through a simple mechanical structure, magnesium powder can be automatically brushed before andafter the dumbbell is used to prevent slipping and falling when the dumbbell is taken out, and instep injuries are avoided.

The invention discloses a liver and gall drainage tube which comprises a drainage tube body, one end of the drainage tube body is communicated with a drainage device, the bottom of the drainage device is connected with a liquid drainage tube, the liquid drainage tube is provided with a liquid drainage valve, the end, away from the drainage device, of the drainage tube body is connected with a puncture head, and the tip end of the puncture head is provided with a puncture head opening. A medicine guide tube is fixedly arranged on the inner side face of the drainage tube body, a plurality of medicine guide holes are formed in the medicine guide tube, a medicine inlet tube communicated with the medicine guide tube is arranged on the outer side face of the drainage tube body, a medicine inlet is formed in the top of the medicine inlet tube in a connected mode, and a medicine inlet cover is detachably arranged on the medicine inlet. A plurality of elastic support plates are arranged in the drainage tube body between the puncture head and the medicine guide tube, and drainage ports are formed among the elastic support plates. The drainage tube has the following advantages that the drainage efficiency is high, the drainage speed is high, liquid medicine can be added into the drainage tube, the treatment effect can be achieved, the puncture head is combined with the drainage tube, and the pain caused by multiple times of puncture is avoided.

The invention discloses a production line monitoring system for teaching. The production line monitoring system for teaching comprises a data collection module, a central processing module, a pushing module and a display terminal; the data collection module is used for collecting working data of each processing unit on the production line and transmitting the working data to the central processing module, wherein the production line comprises one or more than one processing units and each processing unit has at least one data collection module; the central processing module is used for analyzing and processing the working data and generating an analysis report when error information is discovered; the pushing module is used for pushing the analysis report to the display terminal; the display terminal is used for displaying the analysis report through a display screen. The production line monitoring system for teaching can collect production line information in real time, can generate the analysis information, provides convenience to observation and understanding of students, and effectively improves teaching levels and quality.

The invention discloses a multi-functional short-circuit demonstrator, whose structure includes a demonstration board, a vertical board, a base and a melt tank, and is characterized in that: the demonstration board and various circuit elements and power sources arranged on the demonstration board to form a demonstration circuit, said The circuit components are electric keys, small light bulbs, fuses, and wires. The power supply is one of a storage battery, a student regulated power supply, and a voltage regulator. The middle section of the fuse is wrapped with one of restaurant paper, toilet paper, and aluminum foil. The two ends are exposed and clamped in the slots at the two ends of the fixing seat. The beneficial effects of the present invention are: (1) fix the demonstration board on the vertical board, visual image; (2) wrap one of restaurant paper, toilet paper, and aluminum foil paper in the middle section of the fuse, effectively prolonging the occurrence of short-circuit hazards (3) Easy to obtain materials and low cost; (4) Safe and reliable; (5) The overall structure is simple and easy to operate.

The invention relates to an aluminum magnesium titanium alloy material window with a temperature monitoring function and a processing method thereof. The aluminum magnesium titanium alloy material window comprises a window frame and sliding grooves, wherein connecting plates are connected to the outer walls of four corners of the window frame; first side frames are arranged at one end of the window frame, and sliding covers are installed on the outer walls of the front ends of the first side frames; and the sliding grooves are formed in one ends of the sliding covers, and pull plates are fixedto the outer walls of the sliding covers. The aluminum magnesium titanium alloy material window with the temperature monitoring function and the processing method thereof have the beneficial effectsthat a temperature sensor, a temperature display screen, a buzzer and wires are arranged, and indoor temperature can be detected during use of the window through the action of the KGW5 temperature sensor, and data of the temperature sensor is displayed on the temperature display screen connected with the temperature sensor, so that a user can conveniently observe and understand at any time; and incase of emergency, the buzzer is started by pressing a button to make sound, so that other people can conveniently know.

The present invention relates to a sludge incinerator simulation system, especially to a sludge incinerator simulation system. The system comprises a sludge incinerator model and a control module. Thesludge incinerator model comprises a transparent hollow with a hollow internal portion, the housing comprises an incinerator body portion, an economizer portion located at one side of the incineratorbody portion and communicating with the top portion of the incinerator body portion, an ash collection bin portion communicating with the incinerator body portion and a smoke discharge portion communicating with the top portion of the ash collection bin portion; a transparent pipeline extended into the internal portion of the housing is inserted on the housing, the transparent pipeline comprisesa feed pipe configured to express a feed pipeline, an air inlet pipe configured to feed an air inlet pipeline and a conduction oil coil pipe configured to express a conduction oil coil pipeline, the feed pipe, the air inlet pipe and the conduction oil coil pipe are internally provided with first indication lamp belts configured to express medium, the first indication lamp belts are connected withthe control module, and the control module controls on-off of the first indication lamp belts to demonstrate the medium flow and flow direction. The sludge incinerator simulation system can display the internal structure and the operation work condition of the sludge incinerator, and is good in demonstration effect.

The invention provides an experimental device and method for repairing a pipeline by curing a soft lining material. The device comprises an old pipeline to be repaired; a fabric hose; the tractor can drag the fabric hose to move into the old pipeline; the walking trolley can walk in the pipeline and is provided with at least one heat sensor and at least one force sensor; the hot water and hot steam supplier is connected with the old pipeline through a pipeline so as to input hot water or hot steam into the fabric hose to cure the fabric hose; the control system can control the walking trolley to walk in the old pipeline and enter the fabric hose in the old pipeline in sequence, and the temperature and the mechanical property of the pipeline are detected in real time through the heat sensor and the force sensor. The device has the beneficial effects that pipeline repair experiments of various soft lining material curing methods can be simulated, and the temperature and mechanical properties of the pipeline are detected through the heat sensor and the force sensor in the experiment process.

The invention discloses a rotating type electromechanical experimental device with variable system parameters, and belongs to the technical field of experimental equipment. The rotating type electromechanical experimental device comprises a bottom seat, and further comprises a motor, a drive shaft system, a deceleration system and a rotating shaft system which are arranged on the bottom seat; through arrangement of the drive shaft system and the rotating shaft system and fuse of the deceleration system, a damping system and a fixing rotary disc capable of adjusting rotary inertia, and after the motor drives the drive shaft system to rotate, by changing the deceleration ratio, the damping and the rotary inertia, the rotating speed of the rotating shaft system is measured by using an encoder. By controlling all the parameters, the transfer function between all the parameters and the rotate speed of the device is researched. According to the device, the structure design is reasonable, all the systems are composed of typical mechanical parts, the operation situations of all the systems can be observed directly, observation and understanding are convenient, the device can be freely transformed between a first-order system and higher-order systems, the parameters can be adjusted, diversified experimental models can be established to research the transfer function, and algorithm control can further be conducted.

The invention discloses a queuing theory teaching demonstration and statistics device, which comprises a target sphere mixing mechanism, a mounting rack, a probability demonstration mechanism, a leveling mechanism, a bottom connecting plate and a height adjusting mechanism. The target sphere mixing mechanism is arranged above the mounting rack, and the probability demonstration mechanism is arranged in the mounting rack; the leveling mechanism and the height adjusting mechanism are arranged on the lower side of the mounting rack; and during use, random probabilistic testing is performed on a target sphere through a manual uniform mixing assembly, a primary probability demonstration assembly and a multi-stage probability dispersion demonstration assembly, so that the occurrence process of a random event can be truly reflected, and dispersion and aggregation conditions of the target sphere can be reflected. The device has the characteristics of simplicity in use, clear statistics and demonstration, and convenience for students to understand, observe and learn.

The utility model relates to a monitoring device and method for the toroidal field photography, which comprises a plurality of cameras, a processing system and an output unit; the video signals captured by the cameras are adjusted and integrated to the same toroidal picture through the processing system, and the toroidal picture is shown by an output unit; the toroidal picture takes the center of the area in which the camera is arranged as the hub, and all the scenes taken by cameras are arranged in the corresponding positions in the toroidal picture in three-dimensional live-action mode. The method comprises the following steps: generating the pictures: capturing the surrounding scenes with a plurality of cameras; processing the signals: controlling the cameras in time sequence by the sequential control unit; integrating the images: the processing system adjusts the picture signal from cameras; outputting pictures: the output unit displays the toroidal field picture integrated by the processing system y. The utility model has the advantage of improving the overall security and reducing the space and cost of display units.

The invention discloses a disposable tissue collection and separation device which comprises a suction tube assembly, a collection tank assembly in interference fit with the suction tube assembly and a collection frame assembly arranged in the collection tank assembly, and the suction tube assembly, the collection tank assembly and the collection frame assembly communicate with one another; the collecting frame assembly comprises a collecting frame, a taking-out rod structure connected with the collecting frame in a sliding mode and a filtering membrane fixedly connected with the collecting frame, and the taking-out rod structure can move in the collecting frame in the vertical direction. According to the device, the size is small and light, the connecting joints are arranged at the front end and the rear end and can be used in cooperation with a planing power system, surgical operation is not affected, a user can conveniently know the tissue collection condition in real time, and the risk of cross infection is avoided.

The invention discloses an elevator installation method, which comprises the following steps of: early-stage preparation, including building data collection and analysis and surrounding visit investigation and survey, data preprocessing, including field data measurement and information extraction, after the data preprocessing is completed, making a three-dimensional model, and after the three-dimensional model is made, performing three-dimensional modeling. Three-dimensional model manufacturing comprises manufacturing of an elevator and accessories of the elevator and manufacturing of a live-action three-dimensional model, customer confirmation is carried out after the three-dimensional model is manufactured, and construction and installation are frequently carried out after confirmation is completed. The floor number, the user number and the building purpose of the building are calculated, then the surrounding people flow is evaluated, and the frequency and the speed are used, so that the phenomenon that the elevator cannot keep up with the people flow is avoided; models of the appearance and related accessories of the elevator are manufactured through three-dimensional software, and after assembly, customers can observe and understand the models conveniently, so that rectification and reformation are made in time, and later delivery is facilitated.

The invention discloses a multifunctional portable non-standard clamp sale showing stand which comprises a supporting plate and a base. A ceiling is clamped to the top of the supporting plate, upper connecting rods are symmetrically and movably connected to the outer surface walls of the two sides of the supporting plate, a bearing is arranged in the center inside a lower-layer display board, a transmission shaft is rotationally connected to the interior of the bearing, a rotary table is welded to the top of the transmission shaft, a lower connecting rod is fixedly connected with a middle-layer display board through a bolt, an inclined table is rotationally connected to the outer surface wall of one side of the middle-layer display board, a supporting rod is arranged at the bottom of the inclined end of the inclined table, and the upper connecting rod is fixedly connected with an upper-layer display board through a bolt. The whole showing stand adopts a spliced structure, adjacent parts can be rapidly assembled and disassembled, meanwhile, the showing requirements for multiple angles and multiple directions of a non-standard clamp are met at the same time, and the practicability and functionality of the showing stand are improved.

The invention relates to the technical field of informatization teaching, and discloses a writing case and writing pen intelligent interaction device and system, the writing case and writing pen intelligent interaction device comprises a writing case and a writing pen, the writing pen is provided with a handwriting recognition unit, and when the writing pen is used for writing, the handwriting recognition unit is used for recognizing written characters; the display screen is used for displaying a current input state and displaying currently recognized characters; and the circuit board is used for processing and transmitting data. According to the invention, the data transmission unit can distribute character data recognized by the handwriting recognition unit to a user terminal of a teacher through the server for the teacher to read, and after reading is completed, the character data with reading is retransmitted to the data transmission unit through the server; and finally, the data transmission unit displays the reviewing content on the display screen to timely feed back to students, so that the homework doing efficiency is improved, and the learned knowledge is consolidated.

The invention discloses an air purifying sterilizer, and belongs to the field of air purifying. The air purifying sterilizer comprises a shell and a purifying cavity arranged in the shell; the shell is provided with an air inlet and an air outlet, an installation hole is formed in the position, located between the air inlet and the air outlet, of one side of the shell, and the shell is internallyprovided with a purifying device which penetrates through the installation hole and is installed in the purifying cavity; and the purifying device comprises an air feeding set, a primary filtering set, a plasma sterilizing set and an active carbon filtering set which are arranged between the air inlet and the air outlet in sequence. Through the air purifying sterilizer, the purifying effect and the purifying efficiency are improved, the maintenance time is shortened, and the maintenance efficiency is improved.