DYCGQ-SW Medical Sensor Experimental Platform

ZRCGQ-SW biomedical sensor experimental bench is the latest new product that meets the needs of biomedical engineering, medicine and other majors. The ZRCGQ-SW series biomedical sensor experimental bench technology experimental bench is m*nly used for experimental teaching of "Medical Sensor Principles and Detection Technology" courses in medical universities and medical schools. Most of the sensors used in the ZRCGQ-SW series biomedical sensor experimental bench are actual measurement structures, which facilitates students to strengthen their understanding of book knowledge. During the experiment, through signal pickup, conversion, and analysis, students are tr*ned as a biomedical worker. The basic operating skills and hands-on ability possessed by the operator.

2. Equipment features:
1. ZRCGQ-SW biomedical sensor experimental bench has made a qualitative change in the original sensor experimental system, realizing the intelligence of the experimental system and the virtualization of instruments. Smart sensors are an important direction in sensor development. Nowadays, some smart sensors in the world are generally controlled by single-chip microcomputer + control rules. They are not very intelligent and rarely incorporate the idea of ​​artificial intelligence. They are not smart sensors in the true sense. The embedded smart sensor is a truly intelligent sensor that is a new type of sensor that is integrated with embedded microprocessor, smart theory (artificial intelligence technology, neuron technology, fuzzy theory) sensor technology, etc. In this experimental system, individual sensors are used as experimental examples so that the system has functions such as detection, judgment, network communication, and information processing. It can correct measurement values, compensate for errors, and improve measurement accuracy; it can comprehensively process multi-sensor parameters. ; Self-diagnosis and self-calibration can be performed as needed to improve data reliability; measurement data can be stored and post-processed, making it easy to use and improve data reliability; it has a data communication interface that can be remotely controlled with a remote computer and online Transmit data to achieve global monitoring and control; wireless transmission can be achieved. The entire experimental system can realize full virtual instrument display (oscilloscope, distortion meter, FFT, voltmeter, ammeter...) to replace existing instruments.
2. Provide tools for students to independently combine experimental content and set up innovative experiments. Experimental teaching is not only a simple verification of classroom knowledge, but also the ability to cultivate students' independent thinking and independent innovation through experiments. The intelligence of the instruments in this experimental system allows students to implement new experimental content by programming their own programs.
3. The structure of the sensor has changed from a principle type to an industrial detection sensor. The sensor has changed from qualitative to quantitative. It has a cert*n degree of accuracy and is more convenient for computer-based characteristic analysis of experiments.
4. The instrument is equipped with temperature source, *r source, vibration source and rotation source. The sensors are equipped with corresponding experimental modules for easy operation and management. After the experiment is completed, they can be placed in the cabinet and sensor box of the experimental bench. Several modules can be combined into a complex experimental system according to teaching requirements.
5. Various public sources can also be used for student course design, graduation projects and some developmental experiments; the power supply and signal source are equipped with protection circuits to ensure that students will not damage the equipment after misuse and ensure student safety.
6. In addition to the circuit on the experimental module, it is also equipped with basic electronic circuit units and schematic diagrams. As follows: voltage amplifier, differential amplifier, charge amplifier, capacitor amplifier, phase shifter, phase sensitive detector, eddy current converter, low-pass filter and other circuits.
7. This product can support the virtual instrument development platform of IT companies. And combined with ARM9 to realize the development and application of virtual instruments, combining development and application with actual control.
8. Simulation system

1. Electricity safety and electric shock first *d virtual simulation system (demo and copyright certificate provided): The software uses a virtual screen that combines two-dimensional and three-dimensional to teach students the safety of electricity and first *d methods. The software has single-phase electric shock, two-phase electric shock, and two-phase electric shock first *d. Principles of electric shock, step-over electric shock, low voltage electric shock first *d, high voltage electric shock first *d, artificial respiration rescue method, holding hands breathing rescue method, chest heart compression rescue method, etc., single-phase electric shock rep*r live disconnection, rep*r socket electric shock, outdoor Demonstration of principles such as electric shock. The teaching of low-voltage electric shock and high-voltage electric shock m*nly expl*ns and demonstrates to students how to rescue people who are suffering from low-voltage electric shock or high-voltage electric shock. Artificial respiration rescue method, hand-holding breathing rescue method, and chest cardiac compression rescue method are demonstrated using 3D virtual simulation technology. After rendering and Polish it to make the model look like the real part and look realistic. Through practical tr*ning, students can be educated on the safe use of electricity in the tr*ning room, improve students' safety awareness, and enable students to learn some self-rescue methods, so that students can take cert*n safety measures to protect themselves when encountering danger, and become familiar with various Causes of electrical accidents and practical measures to deal with them to reduce the occurrence of electrical accidents.

2. M*ntenance of electricians, electronic motors and vocational qualification tr*ning assessment simulation software (providing demonstration and copyright certificate): The software content includes common sense of safe electricity use, electrician tools, electrician diagrams, electrician instruments, electrician lighting circuits, motors, transformers, low-voltage electrical appliances, Electric mops, oscilloscopes, low-frequency signal sources, welding processes, SMT technology, electronic product manufacturing processes, troubleshooting, wiring, three-dimensional disassembly and assembly of reducers, disassembly and assembly of shafting mechanisms (including cylindrical gear shafting, bevel gear shafting, worm shaft Department and more than ten experiments) and other modules, schools can select corresponding tr*ning modules for tr*ning according to students' learning progress.

3. Three-meter simulation software (demo and copyright certificate provided): This software is in apk format and can be used on PC or mobile terminals. The functions of this software are: measurement of resistance and measurement of AC voltage ( Measuring the transformer, if the multimeter burns out when measuring the transformer, black smoke will appear and the multimeter can be reset), transistor polarity judgment, DC voltage measurement (the light will turn on when the ammeter is turned on), DC current measurement, and capacitance is good. Bad judgment. This software can drag the red and black pen tips at will. When the two pen tips are dragged and positioned on the object to be measured, a red circle will be displayed. If the positioning is not accurate, no red circle will be displayed, and when incorrect operations are performed (such as the wrong range selected, If the measured data is wrong, etc.), the meter pointer will be unresponsive, prompting errors and re-measurement, etc. This multimeter can select AC voltage range, DC voltage range, resistance range, current range, resistance adjustment to 0, and can enlarge the display data. Clearly view the measured data size. Students can learn the correct use of multimeters through this software.

4. Teacher teaching design system (providing demonstration and copyright certificate): This system is in apk format and can be used on PC or mobile. This system can set faults manually or automatically. This system has passed The green box in the circuit diagram selects manual setting of fault points (up to 39 fault points can be set), or the system can automatically set one random fault point, two random fault points, three random fault points, and four random fault points automatically. Fault point setting, five random fault point settings. This system has toolbox, component library, magnifying glass, circuit diagram and other functions. You can choose a multimeter for detection through the toolbox, select appropriate components through the component library, and you can clearly see through the magnifying glass. Understand the various components and circuits. This system allows students to understand the working principle and circuit structure of the motor star-delta start control circuit through the setting of faults in the motor star-delta start control circuit and various investigations.

3. Equipment structure:
ZRCGQ-SW biomedical sensor experimental bench consists of five parts: m*n console, sensor and corresponding experimental template, data acquisition card and processing software, and experimental table.
1. The m*n console part
provides highly stable DC regulated power supply and display instruments such as voltage, frequency, speed and so on.
2. Sensor and experimental module part
The biological signal detection in the table complies with the national safety requirements for medical instruments. The leakage current of each detection sensor to the human body is <10μA. The data collection of biological signals is collected and processed by the V9.0 data collection system.

3. Data acquisition card and processing software The
V9.0 data collector is an upgraded version based on the original V8.0 version. The dynamic range of the collector (card) equipped with the sensor experimental system currently on the market is too small, and the resolution In order to overcome the shortcomings of low efficiency and low accuracy, version V9.0 adopts a complete industrial-grade solution to achieve high measurement accuracy and dynamic range. The interface part adopts a USB interface to facilitate users' actual use. This collector can not only meet complete experimental requirements, replace the existing instrument display readings, but can also be used by scientific researchers for direct scientific research and development. The specific technical indicators are as follows:
1) Interface standard: USB interface
2) A/D: 12 bits
3) Number of channels: can be expanded to 8 channels
4) Sampling: synchronous, asynchronous
5) Trigger mode: soft trigger, hard trigger
6) Sampling Frequency: 100KHz (binning optional)
7) Measurement error: 0.2mv
8) Measurement range: up to plus or minus 15V
9) Supports direct input of voltage and current signals, no converter required
10) D/A channel can be expanded
11 )Environment: windows98/2000/xp
12)Software: Equipped with a complete set of experimental software packages for the sensor comprehensive experimental system and virtual instrument software packages (such as virtual filters, spectrum analysis, distortion measurement, etc.)
4. The
special experimental table size is 1600 ×800×750 (mm), with a place reserved for a monitor or oscilloscope on the experimental desktop. Two special cabinets can house the experimental template, computer host and keyboard respectively.