59results about How to "Understand the structure" patented technology

The invention discloses a humanoid robot system based on air cylinders. The air cylinders serve as driving components to simulate motion of trunk joints and arms and legs of a person, and the functionof completely simulating human motion is achieved. The humanoid robot system based on the air cylinders is mainly composed of the linear motion air cylinder, the swing air cylinder, vertebras, fixingplates, thighbones, fibulas, feet, pneumatic grippers and the like and has 38 freedom degrees. Each simulating trunk joint has six freedom degrees; each hip joint, each knee joint and each ankle joint simulating a lower limb each have three freedom degrees; and each shoulder joint, each elbow joint and each wrist joint simulating an upper limb each have four freedom degrees, one freedom degree and two freedom degrees correspondingly. According to the humanoid robot system, the air cylinders are adopted for driving; and the humanoid robot system has the beneficial effects of being clean, compact in structure and good in anti-explosion performance and can be applied to the fields of station part gripping and carrying, exhibition, guest greeting and the like.

The invention provides a multi-layer rock-soil layer heat conductivity coefficient testing method which can accurately obtain thermophysical parameters of a rock-soil body and measure multi-layer soil heat conductivity coefficient under the condition of not disturbing the layers. The method comprises the following steps: boring a hole by means of a drill, and respectively installing temperature measurement cables in water inlet and outlet pipelines of a U-shaped buried pipe; distributing a plurality of temperature measurement probes as measuring points on the temperature measurement cables; measuring the water inlet and outlet temperatures at various measuring points through the temperature measurement probes, and calculating the average heat conductivity coefficient of the layers below the measuring points according to a line heat source theory through a slope method; and calculating the heat conductivity coefficient of each layer on this basis. Under the condition of not disturbing the layers, the thermophysical parameters of a rock-soil body is accurately obtained, the heat conductivity coefficient of each soil layer is measured, the underground soil structure and groundwater flow conditions are known, and the heat exchange capability of a buried pipe heat exchanger is known, thereby providing basic parameters for the design of a ground source heat pump system to ensure the long-time efficient operation of the system.

The invention relates to a car position determination device and a car position determination method. In the prior art, when the floor where a passenger car stops changes due to power failure, elevator maintenance and the like, air pressure data can be corrected mistakenly, and the floor where the passenger car stops cannot be obtained by using the corrected air pressure data. When it is determined that the passenger car (1) is stopped, a measurement data generation unit (14) provided in the car position identification device (12) finds the number of times the car door (2) is opened and closedfor each floor on the basis of the acceleration generated in the movement direction of the car door (2). When a floor data generation unit (15) stores, for each floor, air pressure data of a floor data table (15a) in which stored air pressure data and the number of opening / closing times of a car door (2) are associated with each other, and air pressure data output from an air pressure sensor (5)when a passenger car (1) reaches a reference floor, the air pressure data is different from each other. The air pressure data stored in the floor data table (15a) is corrected on the basis of the airpressure data output from the air pressure sensor (5).

The invention discloses a method for obtaining a multicast topology message in an IP network, which comprises the following steps: selecting a network element of a multicast path as a current network element; obtaining an inlet interface of a multicast router of the current network element and all protocol independent multicast PIM neighboring network elements; searching a network element of which an outlet interface of the next skip of the multicast router is consistent with the inlet interface of the multicast router of the current network element in the PIM neighboring network elements and using the network element as a last-skip network element of the current network element; repeating the steps and searching the last-skip network elements of all the network elements of the multicast path; and connecting all the network elements and the last-skip network elements of the multicast path in series to form a multicast topology. The method can actively obtain the multicast topology message in time and provide convenience for network supervision.

The invention relates to a humanoid robot system based on air cylinders and pneumatic muscles. Shoulder joints, elbow joints, wrist joints, fingers, waist joints, hip joints, knee joints, ankle jointsand toes of a humanoid robot are driven to move by using the air cylinders and the pneumatic muscles, and a function of completely simulating the movement of a person is achieved. The humanoid robotsystem is composed of linear cylinders, pneumatic rotary actuators, pneumatic muscles, bevel gears, vertebrae and connecting plates, wherein the plurality of linear cylinders drive the shoulder jointsto move, and the pneumatic rotary actuators are combined with the bevel gears to drive the elbow joints; the pneumatic muscles drive the wrist joints and the fingers, the plurality of pneumatic muscles drive the waist joints and the vertebrae, and the pneumatic rotary actuators are combined with parallelogram structures to drive lower limbs to move; and the shoulder joints, the elbow joints, thewrist joints, the waist joints, the hip joints, the knee joints and the ankle joints have 6 degrees of freedom, 1 degree of freedom, 2 degrees of freedom, 1 degree of freedom, 1 degree of freedom and2 degrees of freedom respectively. The humanoid robot system based on the air cylinders and the pneumatic muscles uses the air cylinders and the pneumatic muscles for driving, has the characteristicsof compact structure, good explosion-proof performance, multiple degrees of freedom and combination of rigidity and flexibility, and can be used for teaching and demonstration.

The invention discloses a humanoid robot based on pneumatic muscles. According to the humanoid robot, human muscles are simulated by the pneumatic muscles to drive movement of shoulder joints, elbow joints, wrist joints, waist joints, hip joints, knee joints and ankle joints, so that the humanoid robot has a function of completely simulating human movement. The humanoid robot has the advantages ofcompact structure, cleanness and good anti-explosion performance, and can be applied to scientific research, teaching demonstration and medical diagnosis.

A physiological signals controlled apparatus for health training, entertainment and game is composed of many external testers for measuring the physiologic data of a user and a computer unit for receiving the physiologic data from said testers, game score and the addition factors of particular physiologic data, displaying the scores of said addition factors, and evaluating said physiologic data.

The invention relates to an early warning method for a generator overheating fault hidden danger based on the three-dimensional display. The method comprises the following steps: (1) establishing a generator three-dimensional model by utilizing a generator design drawing; (2) introducing temperature measuring points and operation data, establishing a technology supervision interface; (3) running the three-dimensional model of the generator, and displaying the running state of the running data and the temperature measuring point; (4) checking whether the running parameters exist or not, and carrying out relevant curve analysis; (5) judging whether a generator overheating fault occurs or the measuring point is abnormal; (5) if the temperature measuring point is abnormal, replacing the temperature measuring point, and providing a temperature measuring point position space display; (6) if the generator overheating fault occurs and the generator needs to be shut down, running the monitoringoperation before the shutdown of the generator. According to the method, the three-dimensional display advantages are fully utilized, and the important equipment and the running data of the generatorare displayed in real time. When the temperature of the generator is found to be abnormal, a preliminary judgment conclusion for whether the temperature of the adjacent parts is reasonable or not isobtained according to the space position. Necessary processing measures are adopted, and accidents caused by the technical analysis process are avoided.

The embodiment of the invention discloses an equipment simulation-based learning method, an equipment simulation-based device and an equipment simulation-based system. The method comprises the following steps: receiving login information input by a user, acquiring user authority corresponding to the user according to the login information, and outputting a human-computer interaction interface corresponding to the user authority according to the user authority; outputting relevant data information and an equipment model corresponding to the user authority through the human-computer interaction interface; receiving operation information of the user, and performing operation on the relevant data information and / or the equipment model according to the operation information. According to the embodiment of the invention, different users are treated differently; relevant data and the equipment model are provided for the user through the human-computer interaction interface, so that a function of self-aid learning of information which is required by the user is realized; meanwhile, the equipment model can be operated by the user through the human-computer interaction interface, namely, equipment can be operated by simulating reality; the structure and the operation of the equipment can be understood more concretely and vividly; a learning effect is enhanced.

The invention relates to a cable insulation layer sample cutting device and method. A cutting insulation device is arranged, and comprises a cutting insulation base for acquiring a strip insulation layer by cutting, a cutting insulation head center hole and a cutting insulation tail center hole coaxially arranged on the cutting insulation base, a guide rail arranged between the cutting insulationhead and the cutting insulation tail, a cutting insulation strengthening frame movably arranged on the guide rail and coaxial with the cutting insulation tail center hole, cutting insulation clampingclaws arranged at the cutting insulation head center hole and the cutting insulation tail center hole respectively, a cutting insulation top inserted to the center hole and a cutting insulation three-axis cutter holder arranged on the cutting insulation base, located at one side of the guide rail, with the head having the same height with the center hole and driven by a lead screw nut mechanism. The design is reasonable, the structure is compact and the use is convenient.

The invention discloses a simulation transformer practical training device comprising one or multiple of a high voltage side connecting terminal, a low voltage side connecting terminal, a controller, a power supply module, a transformer capacity test practical training module, a transformer insulation resistance test practical training module, a transformer loss test practical training module, a transformer ratio test module and a transformer DC resistance test module. The external structure of a real transformer can be seen and the device has the transformer functions, i.e. the routine electrical test, such as capacity, absorption ratio, insulation resistance, transformer ratio, DC resistance and loss test, can be performed, an electronic circuit or module is adopted to replace the internal structure of the real transformer to realize simulation of all the functions of the transformer, and one simulation transformer can perform simulation of different capacity and transformer ratio and is used for teaching and training so as to have the characteristics of wide range of application and low power consumption and meeting the actual scene.

The invention discloses a simulated human lumbar vertebra system based on pneumatic muscles. Human muscles are simulated by the pneumatic muscles, movement of lumbar vertebrae is driven, and the system has the function of completely simulating human lumbar vertebra movement. The simulated human lumbar vertebrae mainly comprise a plurality of multifidus muscles, lesser psoas muscles, semispinalis muscles, vertebrae, rotator muscles, pelvises, rotator muscles, psoas muscles, quadratus lumborum muscles and pneumatic muscle fixing plates, and the muscles coordinately move to realize extension, retraction and circumduction of waist joints. The simulated human lumbar vertebra system is driven by the pneumatic muscles, has a compact structure, cleanness and a good explosion-proof performance andcan be used for teaching and demonstration.

The invention discloses an artificial lower limb system based on pneumatic muscle. Muscle of people is simulated by pneumatic muscle so as to drive hip joints, knee joints and ankle joints to move, and the artificial lower limb system has the function of completely simulating the movement of lower limbs of people. An artificial lower limb comprises a pelvis, a thighbone, a fibula, a foot, pneumatic muscle and a fibular muscle connecting plate, the pneumatic muscle which is used for simulating the effects of internal obturator muscle, quadratus femoris, pectineal muscle, breviductor, adductor magnus, musculi adductor longus, gluteus medius, piriformis, gluteus maximus and iliopsoas is used for driving the thighbone to bend, stretch, retract, extend and annularly rotate; biceps femoris muscle, adductor magnus, semitendinosus and semimembranosus are simulated to drive the thighbone and the fibula to bend, stretch, retract, extend and annularly rotate; soleus, short peroneal and tibialis anterior muscle are simulated to drive the foot to bend, stretch, retract, extend and annularly rotate; and musculi flexor pollicis longus, extensor longus pollicis, musculi flexor digitorum longus andextensor digitorum longus are simulated to drive five toes to bend and stretch. The artificial lower limb system has the advantages of compact structure, cleanness and good explosion-proof performance and can be used for medical diagnosis, teaching demonstration, exoskeleton rehabilitation training and athletic training of athletes.

The invention discloses a bionic fish system based on series-parallel pneumatic muscles. According to the bionic fish system, muscles of a fish are simulated by the pneumatic muscles to drive the motion of a multi-joint fish, and the function of completely simulating the motion of the fish can be achieved. The bionic fish comprises a fish head, pneumatic muscle connecting plates, a tail fin, spines, a single-joint pneumatic muscle, a two-joint pneumatic muscle, a three-joint pneumatic muscle, and an n-1-joint pneumatic muscle; the fish head is connected to the spines in a rotating mode, and the pneumatic muscle connecting plates are connected to the spines in a rotating mode; the two ends of the pneumatic muscles are connected to the pneumatic muscle connecting plates in a rotating mode; the single-joint pneumatic muscle, the two-joint pneumatic muscle, the three-joint pneumatic muscle, and the n-1-joint pneumatic muscle are correspondingly and simultaneously connected to a single joint, two joints, three joints, and n-1 joints; and the pneumatic muscles are controlled to be inflated and deflated according to actual needs, so that the fish can swim at different speeds. The bionic fish system is driven through the pneumatic muscles and has the advantages of being compact in structure, clean, good in anti-explosion performance and capable of being used for underwater and water surface operation, teaching demonstration and scientific research.

The invention discloses an in-situ electrochemical-Raman spectrum measurement system in a high-temperature and high-pressure water fluid environment, which comprises a high-temperature and high-pressure reaction container, an electrochemical measurement device and a Raman spectrum measurement device, wherein a reaction cavity is arranged in the high-temperature and high-pressure reaction container; the electrochemical measurement device comprises an electrode base, a working electrode assembly, an auxiliary electrode assembly and a reference electrode assembly, the Raman spectrum measurement device comprises an optical window and a working electrode, and in a working state, in-situ electrochemical measurement is carried out through the working electrode assembly, the auxiliary electrode assembly and the reference electrode assembly; and a laser signal is focused on the surface of the working electrode in the reaction cavity through the optical window, and a Raman scattering signal penetrates through the optical window sheet, is received by the Raman probe and is transmitted back to the Raman spectrometer for analysis and processing, so that in-situ electrochemical Raman spectrum measurement in a high-temperature and high-pressure water fluid environment can be carried out, and the research requirements are better met.

The invention discloses a humanoid cervical vertebra system based on a pneumatic muscle. The pneumatic muscle is used for simulating a muscle of a cervical vertebra of a human body so as to drive a neck and a head to move. The system comprises multiple ribs, multiple vertebras, a skull, multiple musculus longus colli, musculus longus capitis, splenius capitis, semispinalis capitis, a rectus capitis posterior major muscle, an inferior oblique muscle, a rectus capitis posterior minor muscle, a rotator muscle, a neck multifidus muscle, a splenius cervicis muscle, a scalene muscle and a pneumaticmuscle connecting plate. Two ends of the muscles such as the musculus longus colli, the musculus longus capitis, the splenius capitis, the semispinalis capitis, the rectus capitis posterior major muscle, the inferior oblique muscle and the rectus capitis posterior minor muscle are connected with the pneumatic muscle connecting plate and the skull, so that the neck and the head are driven to bend,stretch, retract, extend and turn; and two ends of the rotator muscle, the neck multifidus muscle, the splenius cervicis muscle, the scalene muscle, the splenius capitis and the rotator muscle are connected with the ribs and the pneumatic muscle connecting plate, so that the neck and a chest are driven to bend, stretch, retract, extend and turn. The system is driven by the pneumatic muscle so as to be compact in structure, clean, good in anti-explosion performance, and capable of being applied to the fields such as teaching, demonstrating and medical diagnosing.

A disc with music recorded in encoded form is placed on the turntable of a CD player and the turntable is rotated by hand. The coded information is detected and decoded by the sensor substrate and the main circuit board, and the tone of the corresponding frequency is output from the speaker. A lot of unit code setting areas are set on the white surface of the optical disc, and a certain unit code area is selected on each unit code setting area to be painted in black, and white and black represent logical values ​​"0" and "1" respectively. "Binary signals, thus combining and encoding the binary signals.

The invention discloses a spherical virus model teaching aid, which is characterized by comprising a spherical body, a structure rod and a triangular block, wherein the spherical body is a sphere, the structure rod is a cuboid of which the top surface is uniformly provided with four hemispheres along the length direction, and the triangular block is a regular triangular prism of which the top surface is uniformly provided with six hemispheres; and the spherical body as vertexes, the structure rod as edges and the triangular block as surfaces together form a complete icosahedron, the spherical body is provided with a furcella, the furcella is a sphere of which the bottom is provided with a connecting rod, one end of the connecting rod is connected with the sphere, and the other end of the connecting rod is connected with the spherical body. According to the invention, observers can clearly understand the appearance, structure and working principle of a spherical virus; meanwhile, the transportation space can be saved, and the transportation cost can be lowered.

The invention provides an AR-based description method and system, and relates to the field of data processing. The description method comprises the steps that a server side constructs an equal-proportion three-dimensional digital model according to a to-be-explained object and the physical shape and size of parts forming the to-be-explained object; the server side obtains a description scheme forthe three-dimensional digital model, adds the description scheme into the three-dimensional digital model, and generates an application program from the three-dimensional digital model containing thedescription scheme; the server side sends the application program to the client side; and the client installs the application program, aligns the three-dimensional digital model to the to-be-explainedreal object when identifying the to-be-explained real object, and operates the explanation scheme when the user selects the to-be-explained real object. According to the invention, the user can knowthe structure of the commodity personally and know the functions and parameters of the commodity in various explanation modes.

The invention discloses a combined training platform for a course exercise in a mechanical design and an application method of the combined training platform. The combined training platform comprises an experiment table and a reducer module, wherein a plurality of arranged locating grooves are formed in the table top of the experiment table; the reducer module is divided into box body components, an end cover sealing component, a shaft component and a gear component; a reducer box body is formed by enclosing of a plurality of split box body components; the box body components are fixed in the locating grooves in the table top through fixed bolts or fixed in the locating grooves in the table top through a pressure plate; and the other components are assembled in the fixed reducer box body. A lower box body of a reducer is divided into a plurality of blocks, and then other parts are assembled in the fixed lower box body according to the designed reducer, so that students intuitively know the structure and the assembly knowledge of the reducer in the assembly process, the practice ability of the students in initial contact with the reducer can be improved through a simple assembly operation, and the combined training platform can be widely popularized and used for universities and colleges or teaching mechanisms having a mechanical design course.

The invention provides an electric property detection method and an electric property detection apparatus which can fully inhibit the influence of the third electronic component in first-third electronic components disposed in a detection object substrate and forming a triangular circuit and can detect the electric property of the first electronic component and the second electronic component accurately. A second contact and a third contact are selected as a first selection contact and a second selection contact from a plurality of second contacts (7a-7d) and third contacts (8a-8d) disposed on the surface of the detection objection substrate (1) in such a manner that the resistance value of a wiring path (10) between the second contact and a first connecting part (5a) of the third electronic component (such as an impedance element (5)) and the resistance value of a wiring path (11) between the third contact and a second connecting part (5b) of the third electronic component form a combination of most proximate values. The electric property of the first and second electronic components (such as capacitors (3, 4)) is detected through first contacts (6a, 6b), the first selection contact and the second selection contact.

The invention relates to a humanoid robot system based on air cylinders and pneumatic muscles. Shoulder joints, elbow joints, wrist joints, fingers, waist joints, hip joints, knee joints, ankle jointsand toes of a humanoid robot are driven to move by using the air cylinders and the pneumatic muscles, and a function of completely simulating the movement of a person is achieved. The humanoid robotsystem is composed of linear cylinders, pneumatic rotary actuators, pneumatic muscles, bevel gears, vertebrae and connecting plates, wherein the plurality of linear cylinders drive the shoulder jointsto move, and the pneumatic rotary actuators are combined with the bevel gears to drive the elbow joints; the pneumatic muscles drive the wrist joints and the fingers, the plurality of pneumatic muscles drive the waist joints and the vertebrae, and the pneumatic rotary actuators are combined with parallelogram structures to drive lower limbs to move; and the shoulder joints, the elbow joints, thewrist joints, the waist joints, the hip joints, the knee joints and the ankle joints have 6 degrees of freedom, 1 degree of freedom, 2 degrees of freedom, 1 degree of freedom, 1 degree of freedom and2 degrees of freedom respectively. The humanoid robot system based on the air cylinders and the pneumatic muscles uses the air cylinders and the pneumatic muscles for driving, has the characteristicsof compact structure, good explosion-proof performance, multiple degrees of freedom and combination of rigidity and flexibility, and can be used for teaching and demonstration.

The invention discloses a quadruped bionic system based on the pneumatic muscle. The bionic system uses the pneumatic muscle to simulate the muscle of a quadruped to drive the neck, fore legs, thoracic joint, lumbar joint and hind legs to move, particularly simulate the pneumatic muscle having the actions of the sternocephalicus muscle, brachiocephalic muscle, musculi splenius, superficialis chestmuscle, arm triceps muscle, wrist radial extensor muscle, wrist oblique extensor muscle, wrist ulnar lateral flexor muscle, wrist radial flexor muscle and the like to drive the neck and the fore legsto flex, fold, unfold and rotate, simulate the posterior serratus muscle and the latissimus dorsi muscle to drive the thoracic joint to do lateral bending, pitching and circular rotation motions, simulate the internal oblique muscle and the medius arm muscle to drive the lumbar joint to do lateral bending, pitching and circular rotation motions, and simulate the pneumatic muscle having the actions of tensor fascia lata, quadriceps femoris, semitendinosus, tibialis anterior, peroneal longus, gastrocnemius and the like to drive the hind legs to flex, fold and unfold. According to the quadrupedbionic system based on the pneumatic muscle, the pneumatic muscle is used for driving, the quadruped bionic system based on the pneumatic muscle has the beneficial effects of being compact in structure, clean and good in explosion-proof performance and can be used for teaching and demonstration.

The invention discloses a humanoid robot system based on air cylinders. The air cylinders serve as driving components to simulate motion of trunk joints and arms and legs of a person, and the functionof completely simulating human motion is achieved. The humanoid robot system based on the air cylinders is mainly composed of the linear motion air cylinder, the swing air cylinder, vertebras, fixingplates, thighbones, fibulas, feet, pneumatic grippers and the like and has 38 freedom degrees. Each simulating trunk joint has six freedom degrees; each hip joint, each knee joint and each ankle joint simulating a lower limb each have three freedom degrees; and each shoulder joint, each elbow joint and each wrist joint simulating an upper limb each have four freedom degrees, one freedom degree and two freedom degrees correspondingly. According to the humanoid robot system, the air cylinders are adopted for driving; and the humanoid robot system has the beneficial effects of being clean, compact in structure and good in anti-explosion performance and can be applied to the fields of station part gripping and carrying, exhibition, guest greeting and the like.

The invention discloses a human-like lower limb system. Oscillating cylinders are used as power elements to drive hip joints, knee joints and ankle joints to move, and the human-like lower limb systemhas the function of completely simulating the lower limb movement of a human body. An artificial lower limb is mainly composed of thigh components, shank components, feet, self-lubricating ball headrod end knuckle bearings, the oscillating cylinders, belt wheels and connecting parts. the plurality of oscillating cylinders drive branch chains composed of parallel rods to form the hip joints capable of stretching, unfolding and rotating in a space, the ankle joints and the plurality of oscillating cylinders move up and down through the belt wheels to form the knee joints capable of stretching,and the hip joints capable of unfolding and unfolding. The human-like lower limb system is driven by the oscillating cylinders, and has the characteristics of being compact in structure, not prone tobeing blocked, good in flexibility and the like, and can be used for teaching and exhibition.

The embodiment of the invention discloses a model visualization method and device, and a storage medium, and the method comprises the steps: obtaining a connection relationship between neurons of a target network model, mapping the neurons into nodes, mapping the connection relationship between the neurons into connection lines between the corresponding nodes to construct a node relationship graphcorresponding to the target network model, wherein the connecting lines can represent the weights of the corresponding connecting relationship, generating a model image corresponding to the target network model based on the node relationship graph, and outputting the model image.

The invention provides a steam power generation device, and a modification method and operation method thereof. The efficiency of a turbine plant during partial load operation is improved in the entirety of a plurality of units. The steam power generation device comprises a first steam power generation device and a second steam power generation device. Each of the first steam power plant and the second steam power plant is provided with a boiler for generating steam, a high-pressure turbine driven by the steam generated by the boiler, and a first reheat steam system for supplying steam discharged or extracted from the high-pressure turbine to the boiler. A first feed water heater to which a portion of the steam discharged or extracted from the high-pressure turbine is supplied; and a high-pressure extraction steam system to which a portion of the steam discharged or extracted from the high-pressure turbine is supplied to the first feed water heater. The steam power generation device isfurther provided with a steam extraction connection system which connects the high-pressure steam extraction system of the first steam power generation device and the high-pressure steam extraction system of the second steam power generation device.

The mechanical equipment assembly training method based on the assembly interface, through the combination of the virtual assembly scene of the mechanical equipment and the actual assembly behavior, the trainees complete the assembly step training of the mechanical equipment, the training of the use of assembly tools and the training of the fitter; the mechanical equipment assembly Compared with pure virtual reality and wearable virtual reality assembly, the training method has high cost performance, high experience, convenient use, simple and reasonable device structure, stable and reliable system, and can be promoted on a large scale.

The invention discloses a simulation transformer practical training device comprising one or multiple of a high voltage side connecting terminal, a low voltage side connecting terminal, a controller, a power supply module, a transformer capacity test practical training module, a transformer insulation resistance test practical training module, a transformer loss test practical training module, a transformer ratio test module and a transformer DC resistance test module. The external structure of a real transformer can be seen and the device has the transformer functions, i.e. the routine electrical test, such as capacity, absorption ratio, insulation resistance, transformer ratio, DC resistance and loss test, can be performed, an electronic circuit or module is adopted to replace the internal structure of the real transformer to realize simulation of all the functions of the transformer, and one simulation transformer can perform simulation of different capacity and transformer ratio and is used for teaching and training so as to have the characteristics of wide range of application and low power consumption and meeting the actual scene.