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.

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 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 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 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 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 invention belongs to the technical field of mathematics demonstration, and particularly relates to a rotary demonstration device for mathematics teaching. The device comprises a background plate,a chute and a groove are formed in the front side of the background plate, a motor is fixedly connected to the bottom of the inner wall of the groove, a threaded column is fixedly connected to an output shaft of the motor, and a first rotating shaft is fixedly connected to the top end of the threaded column. The surface of the first rotating shaft is sleeved with a first bearing, the first bearingis fixedly connected to the top of the inner wall of the groove, the surface of the threaded column is in threaded connection with a threaded sleeve, a sliding block is slidably connected into the chute, connecting rods are fixedly connected to the right side of the threaded sleeve and the left side of the sliding block, and fixing rods are fixedly connected to the bottoms of the connecting rods.According to the rotary demonstration device for mathematics teaching, the motor is arranged, the motor works, the output shaft of the motor can drive the threaded column to rotate, so that the threaded sleeve can be driven to move up and down, the purpose of adjusting the height of the triangular demonstration board is achieved, and students can observe and understand conveniently.

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 provides a novel hollow window profile for a purification door. The novel hollow window includes a profile body, a hollow cover plate, a glass fixing rack, a fixing base support, curtain fixing clamps, a bonding bar, sealing convex pieces, a fixing groove, a purification groove, and purification devices; the fixing groove is formed in one side of the profile body; the fixing base support is arranged in the fixing groove; the glass fixing rack is inserted between the fixing base support and the profile body; and the curtain fixing clamps are arranged on the upper side of the glass fixing rack. The sealing convex pieces can fix glass and the profile body together well during installation of the glass, and then a good sealing effect can be achieved; and the curtain fixing clamps are arranged on the upper side of the glass fixing rack, and a curtain can be fixed on the curtain fixing clamps to achieve a shading and confidential effect if operation is performed in a shading environment or a secret environment in the purification door.

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 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 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.