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1. Product Overview: The
refrigeration and heating control and monitoring comprehensive tr*ning device is suitable for the teaching and tr*ning of courses such as "Refrigeration and *r-conditioning Machinery and Equipment", "Installation, Operation and M*ntenance of Refrigeration and *r-conditioning Devices", "Refrigeration and *r-conditioning Automation and Mechatronics ", and "*r-conditioning Technology and Application" in higher vocational colleges, secondary vocational schools, and undergraduate colleges, including installation and m*ntenance of electromechanical equipment, application of electromechanical technology, electrical operation and control, electrical technology application, motors and electrical appliances , and operation and m*ntenance of refrigeration and *r-conditioning equipment.
2. Technical indicators and parameters:
1. Power supply: three-phase five-wire AC 380 V±10% 50Hz;
2. Maximum cooling capacity: 7.5kW;
3. Maximum total input power: 6.5kW;
4. Refrigeration rated power: 7kW;
5. Heating rated power: 7.5W;
6. Rated input current: 12A;
7. Circulation *r volume: 700m3/h;
8. Refrigerant: R22;
9. Leakage action current: ≤30mA; Dimensions: 6000×2400×2500mm Safety protection measures: It has four protection measures: overvoltage, overcurrent, overload, leakage and grounding, which meet the relevant national standards.
10. Refrigeration unit module: (L*W*H) 1000*900*700mm,
11. Terminal system module: (L*W*H) 1000*1000*2000mm,
12. Circulating water system module: (L*W*H) 1200*1200*1900mm,
13. Cooling tower module: (L*W*H) 700*700*1900mm.
14. Combined *r cabinet (L*W*H) 1600*400*370mm.
III. Functional parameters:
Refrigeration/heating control/monitoring comprehensive tr*ning device, a multifunctional tr*ning platform integrating central *r conditioning, PLC automatic control, software control, system monitoring, and data acquisition .
1. Data collection temperature dynamic display of each key point, including heating current value, cooling current value, boiler inlet, boiler outlet, cooling tower inlet, cooling tower outlet, condenser inlet, condenser outlet, evaporator inlet, evaporator outlet, simulation room I, simulation room II.
2. PLC automatic control: temperature setting and display temperature setting can be set arbitrarily between 18 and 30 degrees Celsius. Delay setting of compressor The start-up delay of the compressor can be set arbitrarily between 5-20 minutes. The switch control and indication of the operation and stop of each part of the central *r conditioner can be controlled through the touch screen, and there is a switch display for easy remote operation. Set switches such as: cooling water pump; cooling fan; cooling water pump, compressor, solenoid valve 1, solenoid valve 2, hot water pump, cooling, heating, and shutdown. Refrigeration system f*lures can be simulated on the module, such as: too small water flow, fan not working, evaporation temperature is too low, icing, pressure protection and other working experiments and operations.
3. Fault settings: cooling water pump f*lure 2, cooling fan f*lure 3, refrigeration water pump f*lure 4, compressor f*lure 5, solenoid valve 1 f*lure 6, solenoid valve 2 f*lure 7, hot water pump f*lure 8, sensor f*lure.
4. System monitoring/control teacher end: You can remotely use the large-screen touch all-in-one machine as the object, synchronize the control through the system software, and simulate the various work processes of the central *r conditioner in the form of animation on the monitoring host system, including normal work processes and fault work processes.
5. The equipment adopts the m*nstream PLC+digital module programming method, and you can learn the commonly used programming and usage methods in the market.
4. Features of m*n components
The system frame is assembled from all industrial aluminum materials, which is water-resistant and generous. It is divided into 4 independent modules, cooling water system, refrigeration module, chilled water system, control cabinet system/computer desk.
1. Compressor; The system adopts a fully enclosed piston 3P compressor, the normal working temperature is only zero degrees, safe and reliable, compact structure, low noise, good sealing, and the refrigerant is R22.
2. Condenser: The refrigeration system uses a dry evaporator. After throttling, the liquid refrigerant enters the tube from the end cover at one end of the evaporator. A partition is cast on the end cover. After evaporating through two or more processes and absorbing the heat of the refrigerant, the refrigerant comes out from the same end cover and enters the compressor to enhance the refrigeration effect.
3. Evaporator: The refrigeration system uses a shell and tube condenser, which is a newer type of heat exchange equipment. It is made of two parallel copper coils and is a spiral with two spiral channels. The middle spiral is the cooling water channel, and the outer spiral is the high-pressure refrigerant channel.
4. Spray cooling tower: The condensation method of this equipment adopts countercurrent cooling tower. The mold is formed at one time. The suction fan is installed on the top of the tower. The structure is completely simulated and intuitive. The cooling tower adopts suction forced ventilation. The tower is filled with fillers to improve the cooling effect. The warm water from the condenser is sent to the top of the tower by the cooling water pump, and then rotates downward from the nozzle on the top of the tower to spray.
5. Boiler: The boiler is the core component of the central *r-conditioning heating system. The top-grade electric heating pipe is used to completely isolate water from electricity. It has over-temperature protection, anti-dry burning protection, and over-pressure protection to ensure the safety of man and machine. It adopts imported polyurethane foam insulation technology with good insulation performance.
6. Simulation room: 1 room, covering an area of 1 square meter, the room is equipped with coils, coil fans, and temperature control regulators.
7. Temperature control operating table: The panel of the experimental table of this equipment is controlled by PLC, which can control the temperature range, and the temperature of each key part is detected by patrol.
8. High and low pressure protection device: For safety reasons, the refrigeration system is equipped with high and low pressure protection relays to protect the normal operation of the compressor and the system.
9. Water tank: In order to save water and recycle the water resources of the system, the water tank is used to complete the tasks of adding medium water, automatic adjustment, filtering, etc.; and an automatic water adding system is installed. If the system lacks water resources, the water adding system will automatically start to replenish.
10. Touch screen part and computer acquisition and rear projection LED display end: It adopts a 7-inch true color MCGS touch screen, including the m*n control window, 12-way temperature display window, 12-way temperature real-time curve chart, system setting window, fault setting window, debugging window, help window, password modification window, and login key surface.
11. It has both computer and 7-inch screen control (CPU: Core I3; graphics card: Ultra Core Graphics Card 630; memory: 8G, hard disk: 240G solid state hard disk.) and 50-inch LED rear projection end combined end.
The content is as follows
1), teacher end: simulate the various work processes of central *r conditioning in the form of animation on the monitoring host system, including normal work processes and fault work processes. The central *r-conditioning animation/control/monitoring host system should consist of four parts:
2) System composition: compressor, cooling pump, cooling fan, fan coil, water distributor, water collector, surface cooler, etc.
3) System animation demonstration: the principle process of compressor system, refrigeration system, heating system, wind system, centralized *r supply system, and semi-centralized *r supply system.
4) System fault operation demonstration: When equipped with a physical central *r-conditioning tr*ning and assessment device, the system animation is synchronized with the physical real-time fault when the software demonstrates the fault.
5) Remote independent monitoring: The system can independently monitor the working status of the central *r-conditioning touch screen system, and can remotely monitor the student tr*ning situation in real time.
12. PLC programmable controller: Use 6ES7-288-1SR40 (SR40) host module, block and related relays, control switches, indicator lights, standard communication interfaces and accessories.
13. Host display controller: 7 inches, use configuration software to remotely monitor the real-time operation status of the central *r-conditioning on the host computer. Use a touch-integrated PC to control and monitor at the same time
14. Digital module: Combined with PLC and digital quantity simulation, you can learn programming, Ethernet communication, and temperature acquisition functions
15. Transmitter: Two current transmitter outputs, using a higher wiring method than the general market, can measure the m*n, high and low pressure of the refrigeration compressor.
16. Water distributor: one inlet and four outlets: made of 304 st*nless steel, with a dr*n port
designed to dr*n the water in the equipment when the equipment is not in use. 17. Water distributor: one inlet and four outlets: made of 304 st*nless steel, with a dr*n port designed to dr*n the water in the equipment when the equipment is not in use.
18. Water system: adopts a new type of card-type quick connector for easy disassembly and assembly. The pipeline is detachable, and each interface can be folded and assembled by hand, which is convenient for practical tr*ning.
19. Sensor: PT100*12
20. Host system: A 3P chiller provides a cold source for the whole machine and provides refrigerant water for the *r conditioner in summer. It consists of a refrigeration compressor, high and low pressure gauges, high and low pressure protection switches, condensers, liquid storage tanks, solenoid valves, liquid sight glasses, expansion valves and capillaries, evaporators, pressure transmitters, water tanks, etc.
21. The cooling water system provides external heat dissipation for the host, keeps the compressor condenser constant at the standard condensing temperature, and ensures that the refrigeration effect of the host rem*ns unchanged. The cold water system is composed of a glass fiber reinforced plastic cooling tower, a condensing water tank, a cooling water system consisting of two cooling water pumps and fans.
22. The refrigerant water system provides 5-10 degrees of chilled water for the entire *r conditioning system, including the hall and the room, and the *r duct provides heat exchange in the room and the hall through the fan
and the *r duct. 23. The heating system provides 30-60 degrees of hot water for the entire *r conditioning system, including the hall and the room, and the *r duct provides heat exchange in the room and the hall through the fan and the *r duct. The heating system is composed of a cooling water system consisting of a hot water boiler, a hot and cold water pump, a fan, a surface cooler, a fan coil, etc.
24. *r convection fume hood, voltage 220V, heating power 3500W. Cooling power 3000W, the shell adopts PVC anti-corrosion insulation board, the fan high-speed fan, *r volume 2800/min
25. *r supply system: adopts a real common plate flange *r supply duct system.
26. Ventilation system: adjustable return *r, fresh *r opening, *r valve 100MM.
27. Single-chip microcomputer , PLC programmable design and control virtual simulation software:
This software is developed based on Unity3D, with built-in experimental steps, experimental instructions, circuit diagrams, component lists, connection lines, power on, circuit diagrams, scene reset, return and other buttons. After the connection and code are correct, the 3D machine model can be operated by the start/stop, forward movement, and reverse movement buttons . When the line is connected, the 3D machine model can be enlarged/reduced and translated.
1. Relay control: Read the experimental instructions and enter the experiment. By reading the circuit diagram, select relays, thermal relays, switches and other components in the component list and drag and drop them into the electrical cabinet. The limiter is placed on the 3D machine model. You can choose to cover the cover. Some component names can be renamed. Then click the connection line button to connect the terminals to the terminals. After the machine circuit is successfully connected, choose to turn on the power and operate. If the component or line connection is wrong, an error box will pop up, and the scene can be reset at any time.
2.PLC control: The experiment is the same as relay control, with the addition of PLC control function. After the connection is completed, enter the program writing interface through the PLC coding button, write two programs, forward and reverse, with a total of 12 ladder diagram symbols. After writing, select Submit to verify the program. After successful verification, turn on the power to operate. Error boxes will pop up for components, line connections, and code errors, and the scene can be reset at any time.
3. MCU control: The experiment is the same as relay control, with the addition of MCU control function. After the connection is completed, enter the programming interface through the C coding button, enter the correct C language code, and submit the verification successfully. Turn on the power to operate. Error boxes will pop up for components, line connections, and code errors, and the scene can be reset at any time.
V. Tr*ning projects
1. Tr*ning on the structure and equipment of central *r conditioners;
2. Tr*ning on starting and stopping central *r conditioners;
3. Tr*ning on the operation and adjustment of central *r conditioners;
4. Tr*ning on the detection of the operating conditions and operating parameters of central *r conditioners;
5. Tr*ning on advanced programming of programmable controllers (PLCs) and installation, wiring and debugging of PLCs;
6. Tr*ning on the matching pressure transmitters, temperature sensors and corresponding A/D conversion function modules, which can collect and monitor the operating parameters of the entire central *r conditioner in real time;
7. Tr*ning on the application of configuration technology: using configuration technology to realize the animation display of central *r conditioner operation, operation data display, real-time monitoring, curve analysis, historical record display, alarm, printing configuration and other functions;
8. Network remote control tr*ning;
9. Network installation and setting tr*ning;
10. Sensor and transmitter installation and use tr*ning.
11. Ethernet communication tr*ning
12. PLC + analog module tr*ning
欢迎咨询YLLR-LRJ Refrigeration and Heating Control and Monitoring Comprehensive Experimental Platform相关问题,我们是源头工厂，有标准工业厂房生产基地，欢迎前来考察，如有YLLR-LRJ Refrigeration and Heating Control and Monitoring Comprehensive Experimental Platform其他问题，可联系19957812178
refrigeration and heating control and monitoring comprehensive tr*ning device is suitable for the teaching and tr*ning of courses such as "Refrigeration and *r-conditioning Machinery and Equipment", "Installation, Operation and M*ntenance of Refrigeration and *r-conditioning Devices", "Refrigeration and *r-conditioning Automation and Mechatronics ", and "*r-conditioning Technology and Application" in higher vocational colleges, secondary vocational schools, and undergraduate colleges, including installation and m*ntenance of electromechanical equipment, application of electromechanical technology, electrical operation and control, electrical technology application, motors and electrical appliances , and operation and m*ntenance of refrigeration and *r-conditioning equipment.
2. Technical indicators and parameters:
1. Power supply: three-phase five-wire AC 380 V±10% 50Hz;
2. Maximum cooling capacity: 7.5kW;
3. Maximum total input power: 6.5kW;
4. Refrigeration rated power: 7kW;
5. Heating rated power: 7.5W;
6. Rated input current: 12A;
7. Circulation *r volume: 700m3/h;
8. Refrigerant: R22;
9. Leakage action current: ≤30mA; Dimensions: 6000×2400×2500mm Safety protection measures: It has four protection measures: overvoltage, overcurrent, overload, leakage and grounding, which meet the relevant national standards.
10. Refrigeration unit module: (L*W*H) 1000*900*700mm,
11. Terminal system module: (L*W*H) 1000*1000*2000mm,
12. Circulating water system module: (L*W*H) 1200*1200*1900mm,
13. Cooling tower module: (L*W*H) 700*700*1900mm.
14. Combined *r cabinet (L*W*H) 1600*400*370mm.
III. Functional parameters:
Refrigeration/heating control/monitoring comprehensive tr*ning device, a multifunctional tr*ning platform integrating central *r conditioning, PLC automatic control, software control, system monitoring, and data acquisition .
1. Data collection temperature dynamic display of each key point, including heating current value, cooling current value, boiler inlet, boiler outlet, cooling tower inlet, cooling tower outlet, condenser inlet, condenser outlet, evaporator inlet, evaporator outlet, simulation room I, simulation room II.
2. PLC automatic control: temperature setting and display temperature setting can be set arbitrarily between 18 and 30 degrees Celsius. Delay setting of compressor The start-up delay of the compressor can be set arbitrarily between 5-20 minutes. The switch control and indication of the operation and stop of each part of the central *r conditioner can be controlled through the touch screen, and there is a switch display for easy remote operation. Set switches such as: cooling water pump; cooling fan; cooling water pump, compressor, solenoid valve 1, solenoid valve 2, hot water pump, cooling, heating, and shutdown. Refrigeration system f*lures can be simulated on the module, such as: too small water flow, fan not working, evaporation temperature is too low, icing, pressure protection and other working experiments and operations.
3. Fault settings: cooling water pump f*lure 2, cooling fan f*lure 3, refrigeration water pump f*lure 4, compressor f*lure 5, solenoid valve 1 f*lure 6, solenoid valve 2 f*lure 7, hot water pump f*lure 8, sensor f*lure.
4. System monitoring/control teacher end: You can remotely use the large-screen touch all-in-one machine as the object, synchronize the control through the system software, and simulate the various work processes of the central *r conditioner in the form of animation on the monitoring host system, including normal work processes and fault work processes.
5. The equipment adopts the m*nstream PLC+digital module programming method, and you can learn the commonly used programming and usage methods in the market.
4. Features of m*n components
The system frame is assembled from all industrial aluminum materials, which is water-resistant and generous. It is divided into 4 independent modules, cooling water system, refrigeration module, chilled water system, control cabinet system/computer desk.
1. Compressor; The system adopts a fully enclosed piston 3P compressor, the normal working temperature is only zero degrees, safe and reliable, compact structure, low noise, good sealing, and the refrigerant is R22.
2. Condenser: The refrigeration system uses a dry evaporator. After throttling, the liquid refrigerant enters the tube from the end cover at one end of the evaporator. A partition is cast on the end cover. After evaporating through two or more processes and absorbing the heat of the refrigerant, the refrigerant comes out from the same end cover and enters the compressor to enhance the refrigeration effect.
3. Evaporator: The refrigeration system uses a shell and tube condenser, which is a newer type of heat exchange equipment. It is made of two parallel copper coils and is a spiral with two spiral channels. The middle spiral is the cooling water channel, and the outer spiral is the high-pressure refrigerant channel.
4. Spray cooling tower: The condensation method of this equipment adopts countercurrent cooling tower. The mold is formed at one time. The suction fan is installed on the top of the tower. The structure is completely simulated and intuitive. The cooling tower adopts suction forced ventilation. The tower is filled with fillers to improve the cooling effect. The warm water from the condenser is sent to the top of the tower by the cooling water pump, and then rotates downward from the nozzle on the top of the tower to spray.
5. Boiler: The boiler is the core component of the central *r-conditioning heating system. The top-grade electric heating pipe is used to completely isolate water from electricity. It has over-temperature protection, anti-dry burning protection, and over-pressure protection to ensure the safety of man and machine. It adopts imported polyurethane foam insulation technology with good insulation performance.
6. Simulation room: 1 room, covering an area of 1 square meter, the room is equipped with coils, coil fans, and temperature control regulators.
7. Temperature control operating table: The panel of the experimental table of this equipment is controlled by PLC, which can control the temperature range, and the temperature of each key part is detected by patrol.
8. High and low pressure protection device: For safety reasons, the refrigeration system is equipped with high and low pressure protection relays to protect the normal operation of the compressor and the system.
9. Water tank: In order to save water and recycle the water resources of the system, the water tank is used to complete the tasks of adding medium water, automatic adjustment, filtering, etc.; and an automatic water adding system is installed. If the system lacks water resources, the water adding system will automatically start to replenish.
10. Touch screen part and computer acquisition and rear projection LED display end: It adopts a 7-inch true color MCGS touch screen, including the m*n control window, 12-way temperature display window, 12-way temperature real-time curve chart, system setting window, fault setting window, debugging window, help window, password modification window, and login key surface.
11. It has both computer and 7-inch screen control (CPU: Core I3; graphics card: Ultra Core Graphics Card 630; memory: 8G, hard disk: 240G solid state hard disk.) and 50-inch LED rear projection end combined end.
The content is as follows
1), teacher end: simulate the various work processes of central *r conditioning in the form of animation on the monitoring host system, including normal work processes and fault work processes. The central *r-conditioning animation/control/monitoring host system should consist of four parts:
2) System composition: compressor, cooling pump, cooling fan, fan coil, water distributor, water collector, surface cooler, etc.
3) System animation demonstration: the principle process of compressor system, refrigeration system, heating system, wind system, centralized *r supply system, and semi-centralized *r supply system.
4) System fault operation demonstration: When equipped with a physical central *r-conditioning tr*ning and assessment device, the system animation is synchronized with the physical real-time fault when the software demonstrates the fault.
5) Remote independent monitoring: The system can independently monitor the working status of the central *r-conditioning touch screen system, and can remotely monitor the student tr*ning situation in real time.
12. PLC programmable controller: Use 6ES7-288-1SR40 (SR40) host module, block and related relays, control switches, indicator lights, standard communication interfaces and accessories.
13. Host display controller: 7 inches, use configuration software to remotely monitor the real-time operation status of the central *r-conditioning on the host computer. Use a touch-integrated PC to control and monitor at the same time
14. Digital module: Combined with PLC and digital quantity simulation, you can learn programming, Ethernet communication, and temperature acquisition functions
15. Transmitter: Two current transmitter outputs, using a higher wiring method than the general market, can measure the m*n, high and low pressure of the refrigeration compressor.
16. Water distributor: one inlet and four outlets: made of 304 st*nless steel, with a dr*n port
designed to dr*n the water in the equipment when the equipment is not in use. 17. Water distributor: one inlet and four outlets: made of 304 st*nless steel, with a dr*n port designed to dr*n the water in the equipment when the equipment is not in use.
18. Water system: adopts a new type of card-type quick connector for easy disassembly and assembly. The pipeline is detachable, and each interface can be folded and assembled by hand, which is convenient for practical tr*ning.
19. Sensor: PT100*12
20. Host system: A 3P chiller provides a cold source for the whole machine and provides refrigerant water for the *r conditioner in summer. It consists of a refrigeration compressor, high and low pressure gauges, high and low pressure protection switches, condensers, liquid storage tanks, solenoid valves, liquid sight glasses, expansion valves and capillaries, evaporators, pressure transmitters, water tanks, etc.
21. The cooling water system provides external heat dissipation for the host, keeps the compressor condenser constant at the standard condensing temperature, and ensures that the refrigeration effect of the host rem*ns unchanged. The cold water system is composed of a glass fiber reinforced plastic cooling tower, a condensing water tank, a cooling water system consisting of two cooling water pumps and fans.
22. The refrigerant water system provides 5-10 degrees of chilled water for the entire *r conditioning system, including the hall and the room, and the *r duct provides heat exchange in the room and the hall through the fan
and the *r duct. 23. The heating system provides 30-60 degrees of hot water for the entire *r conditioning system, including the hall and the room, and the *r duct provides heat exchange in the room and the hall through the fan and the *r duct. The heating system is composed of a cooling water system consisting of a hot water boiler, a hot and cold water pump, a fan, a surface cooler, a fan coil, etc.
24. *r convection fume hood, voltage 220V, heating power 3500W. Cooling power 3000W, the shell adopts PVC anti-corrosion insulation board, the fan high-speed fan, *r volume 2800/min
25. *r supply system: adopts a real common plate flange *r supply duct system.
26. Ventilation system: adjustable return *r, fresh *r opening, *r valve 100MM.
27. Single-chip microcomputer , PLC programmable design and control virtual simulation software:
This software is developed based on Unity3D, with built-in experimental steps, experimental instructions, circuit diagrams, component lists, connection lines, power on, circuit diagrams, scene reset, return and other buttons. After the connection and code are correct, the 3D machine model can be operated by the start/stop, forward movement, and reverse movement buttons . When the line is connected, the 3D machine model can be enlarged/reduced and translated.
1. Relay control: Read the experimental instructions and enter the experiment. By reading the circuit diagram, select relays, thermal relays, switches and other components in the component list and drag and drop them into the electrical cabinet. The limiter is placed on the 3D machine model. You can choose to cover the cover. Some component names can be renamed. Then click the connection line button to connect the terminals to the terminals. After the machine circuit is successfully connected, choose to turn on the power and operate. If the component or line connection is wrong, an error box will pop up, and the scene can be reset at any time.
2.PLC control: The experiment is the same as relay control, with the addition of PLC control function. After the connection is completed, enter the program writing interface through the PLC coding button, write two programs, forward and reverse, with a total of 12 ladder diagram symbols. After writing, select Submit to verify the program. After successful verification, turn on the power to operate. Error boxes will pop up for components, line connections, and code errors, and the scene can be reset at any time.
3. MCU control: The experiment is the same as relay control, with the addition of MCU control function. After the connection is completed, enter the programming interface through the C coding button, enter the correct C language code, and submit the verification successfully. Turn on the power to operate. Error boxes will pop up for components, line connections, and code errors, and the scene can be reset at any time.
V. Tr*ning projects
1. Tr*ning on the structure and equipment of central *r conditioners;
2. Tr*ning on starting and stopping central *r conditioners;
3. Tr*ning on the operation and adjustment of central *r conditioners;
4. Tr*ning on the detection of the operating conditions and operating parameters of central *r conditioners;
5. Tr*ning on advanced programming of programmable controllers (PLCs) and installation, wiring and debugging of PLCs;
6. Tr*ning on the matching pressure transmitters, temperature sensors and corresponding A/D conversion function modules, which can collect and monitor the operating parameters of the entire central *r conditioner in real time;
7. Tr*ning on the application of configuration technology: using configuration technology to realize the animation display of central *r conditioner operation, operation data display, real-time monitoring, curve analysis, historical record display, alarm, printing configuration and other functions;
8. Network remote control tr*ning;
9. Network installation and setting tr*ning;
10. Sensor and transmitter installation and use tr*ning.
11. Ethernet communication tr*ning
12. PLC + analog module tr*ning
欢迎咨询YLLR-LRJ Refrigeration and Heating Control and Monitoring Comprehensive Experimental Platform相关问题,我们是源头工厂，有标准工业厂房生产基地，欢迎前来考察，如有YLLR-LRJ Refrigeration and Heating Control and Monitoring Comprehensive Experimental Platform其他问题，可联系19957812178
