TC-QGY hydraulic pneumatic PLC integrated teaching laboratory equipment is based on "Hydraulic and Pneumatic Transmission" course syllabus requirements, the characteristics of modern experimental teaching, collecting the majority of the recommendations of the experimental subject teachers, absorbing the advanced features of hydraulic and pneumatic experimental teaching, well-designed. It uses advanced technologies and innovative hydraulic and pneumatic components, modular design, the system constitutes a convenient plug combination. It meets the institutions of higher learning, secondary schools and vocational technical schools for students of hydraulic and pneumatic drive for the experimental teaching program requirements. Can develop and improve their design capabilities, ability, integrated use of capabilities and innovative design capabilities, play to strengthen the integrated use of the design of experiments and practical aspects of the role. 
 Able to complete a variety of common basic hydraulic and pneumatic control loop experiments. To ensure a certain amount (not less than 100) of the pilot project, while ensuring the quality of training experiment, students through solid, high-quality hydraulic and pneumatic experiments, can truly understand and master the principles of hydraulic control application of knowledge and skills. 
 For the "fluid, pneumatic and control", "Electrical drive technology", "numerical control technology" courses in the major experiments: components are used industrial products, components, layout of the main experiment, the counter experimental operation, components and intuitive, easy to Students wiring and PLC programming. 
 Device Features: 
 1, the modular design, with installation of the floor, you can experiment freely in the common aluminum alloy plate, assembled circuit operation simple and convenient. 
 2, is highly scalable performance: Due to modular design, component module functional independence, and strong expansion. 
 3, the system used in all standard industrial hydraulic and pneumatic components, the use of safe, reliable, close to reality. 
 4, fast and reliable connection, special sealing interface, to ensure that experimental assembly easy and fast, do not disconnect oil spills, clean. 
 5, precision measuring instruments, to facilitate the measurement, can be pressure, flow, time, temperature measurement, simple, accurate readings. 
 6, the motor - pump one, stable, low noise. In order to solve the hydraulic transmission noise, and vibration of the shortcomings of the device to the motor and pump bearing-type connections (integration), and the fuel tank and then fixed together at the increase in anti-vibration ring oscillator, a device to reduce noise and vibration . 
 7, with a current-leakage protection, earth leakage current exceeds 30mA power supply is cut off; electrical control 24V DC power supply, and with over-current protection to prevent damage to equipment misuse. 
 8, the device sets a variety of real hydraulic components, pneumatic components, PLC control and computer technology, and is typical of mechanical, electrical, hydraulic and pneumatic equipment, comprehensive training, powerful, wide application. 
 9, pneumatic, hydraulic simulation control software, the interface can clearly show the internal structure of the hydraulic components and hydraulic circuit of the working process. The software on the computer user can pneumatic, electric pneumatic, hydraulic, electrical and hydraulic circuits of the study of the design, testing and simulation. The software features a powerful real-time display of simulation software to connect with the actual control loop action. 
 Pilot project: 
 *) The hydraulic part of the 
 A) Performance testing of hydraulic components used 
 1. Characteristics of vane pump test; 
 2. Relief valve characteristics test; 
 3. Throttle characteristic test; 
 4. Valve characteristics test; 
 B) the basic circuit of hydraulic experiments: 
 1) The pressure control loop: 
 1. Relief valve regulator circuit; 
 2. Single-stage relief valve remote regulator circuit; 
 3. Multi-stage relief valve regulator circuit; 
 4, variable pump regulator circuit 
 2) The decompression loop: 
 1. A decompression circuit; 
 2. Two vacuum circuit. 
 3) unloading loop: 
 1. H, M-type three-way solenoid pressure relief valve in the position loop function; 
 2. Two-loop three-way solenoid valve unloading; 
 3. The use of pilot relief valve unloading loop. 
 4) relief loop: 
 1. Throttle pressure relief circuit; 
 2. Relief valve pressure relief back; 
 5) adjust the speed control loop: 
 1. Used oil into the throttle throttle circuit; 
 2. Used oil throttle throttle back loop; 
 3. Throttle using the throttle bypass circuit; 
 4. Throttle series / parallel circuit of the second feed; 
 5. With variable displacement pump and hydraulic cylinder speed control loop consisting of volume; 
 6. With a variable pump - throttle speed control loop of the volume; 
 7. Electromagnetic valve and throttle deceleration circuit; 
 8. Differential growth rate of circuit connection; 
 6) one-way synchronization circuit: 
 1. Synchronization of throttle control loop; 
 7) The direction of the control loop: 
 1. Reversing valve control circuit; 
 2. The order of the pressure relay control circuit action 
 3. The order of work trip switch control circuit; 
 8) Tighten the loop: 
 1. Valve latch circuit; 
 2. One-way valve lock loop; 
 3. With pilot-operated check valve lock loop; 
 4. Double check valve with a locking loop. 
 9) in order loop: 
 1. Using electrical circuit limit switch the order of action; 
 2. Sequence of actions using pressure relay circuit. 
 10) balanced circuits: 
 1. The use of pilot-operated check valve circuit balance; 
 2. The balance of one-way throttle valve circuit; 
 11) buffer circuit: 
 1. Using a buffer circuit relief valve; 
 2. Buffer circuit with a throttle valve; 
 C) the students to design, assemble the expansion of the hydraulic circuit experiment 
 D) The hydraulic system design of experiments 
 E) The programmable controller PLC experimental 
 1, PLC programming instructions, ladder programming learning; 
 2, PLC programming software to learn and use; 
 3, PLC and computer communications, on-line debugging and monitoring; 
 4, PLC for optimal control of hydraulic transmission; 
 *) Pressure part of the 
 A) demonstration experiment with the function of pneumatic components; 
 B) the common pneumatic circuit demonstration experiment: 
 1) The regulator of the voltage regulator circuit 
 2) secondary pressure control loop 
 3) high-voltage conversion circuit 
 4) two-way solenoid valve control loop commutation 
 5) two five-way solenoid valve control loop commutation 
 6) two five single air control valve control loop commutation 
 7) two five double air control valve control loop commutation 
 8) three five-way solenoid valve control loop commutation 
 9) single-acting cylinder speed control loop 
 10) double-acting cylinder speed control loop (speed imports, exports speed) 
 11) for access circuit speed 
 12) buffer circuit 
 13) interlock circuit 
 14) differential pressure control loop 
 15) with the stroke order of the action loop cylinder valve 
 16) with the electrical switch (magnetic switch, proximity switch) circuit-cylinder sequence of actions 
 17) the order of action-loop multi-cylinder 
 18) unloading loop 
 19) single (double) single-cylinder reciprocating control loop 
 20) single (double) cylinder reciprocating control circuit continuously 
 21) cylinder synchronization circuit action 
 22) count loop 
 23) Quick return circuit 
 24) loop with both hands 
 25) emergency stop circuit 
 26) and the application of gate-type valve circuit 
 27) or the application of the shuttle valve gate-type circuit 
 28) Quick exhaust valve of the application circuit 
 C) the programmable logic controller (PLC) electrical control experiment: machine - electric - gas one control experiment: 
 1) PLC programming instructions, ladder programming learning 
 2) PLC programming software to learn and use 
 3) PLC's communication and computing, on-line debugging 
 4) PLC combined with pneumatic control experiments 
 D) students to design, assemble the expansion loop experiment; (pressure control system design of experiments) 
 *) Pneumatic, hydraulic simulation part 
 Include the following 
 ? Pneumatic, hydraulic design and simulation software. 
 ? Pneumatic teaching videos 
 ? Hydraulic teaching videos 
 ? Windows features: drag and drop, copy and paste, context menu to connect 
 ? Software can copy text and graphics into Word and Powerpoint 
 ? Print preview, and print scale to meet a variety of formats 
 ? Basic knowledge of pneumatic and hydraulic teaching video discs 
 Real-time simulation 
 ? Calculate pressure and flow, current and voltage 
 ? Calculated taking into account all the speed of the piston friction losses 
 ? Point throttle pressure drop calculation 
 ? Loop is disconnected and the error message when rendering error 
 ? Push and pull loads, the design and simulation of various cylinder 
 ? For project management 
 ? Detailed description of all components, part of a color graphic 
 ? To provide CD-ROM Applications instance 
 Experimental setup consists of: 
 Experimental setup for the planar structure. The experimental bench, pump stations, hydraulic components, modules used, commonly used pressure-module, the electrical control unit composed of several parts. 
 A) the experimental table 
 The experimental test bench panel (aluminum alloy), the experimental rig and other accessories. Experiments using aluminum alloy panel, the profile structure with "T" slot structure, easy installation of various hydraulic module test operation. The screen is mainly used for hydraulic modules, adapters and measuring instruments such as common components of the installation. 
 Test-bed frame with cold steel production, the overall durability; bench with frame structure, novel structure, generous and reasonable. Facilitate the students' experimental operation. Framework of the connection between the use of screw fastening, so that the entire bench for easy removal and installation, ease of transportation throughout the experimental device and transfer. Stand with feet installed self-locking wheels for easy experimental setup in the laboratory adjustments. 
 B) the pump station: the system rated working pressure: 7Mpa. (Up to 10Mpa) 
 1) motor - pump unit (1 unit) 
 Variable vane pump, the nominal flow 20l/min, pressure regulator 4 ~ 7MPa 
 Motor: three-phase AC voltage, power 1.5KW, speed 1430 r / min 
 2) Fuel tank: nominal volume of 40L; with liquid level, oil temperature gauge, oil, oil filter and so on back 
 C) the common hydraulic components module 
 1) into a modular structure made of hydraulic components, hydraulic module can be easily and securely installed on the test panel. At the same time between the module and the module can be used with push-pull type quick connector tubing for solid, sealed connection, so can easily overlap of the hydraulic circuit. 
 2) the use of modular hydraulic components, hydraulic pilot projects conducive to the expansion and development projects (just increase the number of the corresponding hydraulic module can be). Do not use fixed-plate structure. 
 3) modules in addition to the production of materials and fittings of hydraulic components, other light-weight, sturdy, durable metal material (aluminum alloy and plastic), to reduce the weight of the hydraulic module itself, to facilitate the installation of the module, disconnect. 
 4) supporting the hydraulic module storage cabinets, students or teachers can be easily removed and holds the hydraulic module. Greatly facilitate laboratory management. 
 5) the use of standard industrial components, hydraulic components, hydraulic components, each equipped with oil transition plate for easy, free way to hydraulic components placed in the experimental panel (aluminum alloy) on. 
 D) used pneumatic module 
 Configure pneumatic components, pneumatic components, based in Shanghai STNC, see the configuration list. Pneumatic components equipped with the transition plate (aluminum alloy + plastic), can be easily and freely placed the component in the experimental panel (aluminum alloy) on. Circuit lap joints using quick-change, easy to disconnect. 
 E) The electrical control unit 
 Programmable logic controller (PLC): using Omron CP1E-20DR-A (relay output type), input and output points are connected to the jack on the security; supply voltage: AC 220V/50Hz control voltage is DC24V, with manual, automatic, sequential and other control functions, safe, reliable, convenient and flexible.