DYHGGY-26 Refrigeration Compressor Performance Measurement Training Platform
Release time：2024-06-15 13:00viewed：times
Note: The picture is for data acquisition type
Product features:
1. Safety protection: It is equipped with voltage leakage protection, current leakage protection, overcurrent protection, overload protection, and grounding protection.
2. It uses a 1-horsepower refrigeration unit. Both the condenser and the evaporator are water heat exchangers. The system has a compact structure, a reasonable layout, and a beautiful shape.
3. This device is suitable for teaching experiments in related courses of refrigeration majors in colleges and universities. It can not only set up experiments to measure the performance parameters of refrigeration compressors, but also conduct demonstration experiments on the basic principles of refrigeration cycles.
Device functions:
1. Refrigeration capacity and heating capacity experiments under standard working conditions;
2. Simulate the effects of changes in parameters of various refrigeration systems on refrigeration performance and heating energy efficiency ratio;
3. Perform refrigeration cycle processes and heat pump demonstrations to observe the evaporation and condensation processes of refrigerants and the working phenomena of compressors;
study the refrigeration efficiency and refrigeration coefficient of compressors at different cooling temperatures;
4. Test methods for refrigeration capacity of refrigeration compressors;
5. The relationship between evaporation temperature, condensation temperature and refrigeration capacity;
6. The m*n operating parameters of the refrigeration system and their mutual influence.
M*n configuration:
fully enclosed refrigeration compressor, condenser, throttle valve, evaporator, cold water pump, hot water pump, turbine flowmeter, water tank, electric heating device, temperature sensor , high and low pressure controller, dry filter, liquid storage tank, power meter, pressure gauge, aluminum alloy frame, electronic control system, touch screen, software, etc.
Utilities:
Input power: single-phase three-wire AC220V±10% 50Hz
Working environment: temperature -10℃～+40℃ Relative humidity <85% (25℃) Altitude <4000m
Device capacity: <2.5kVA
Refrigerant: R22
Cooling capacity: 1.3kW
Technical parameters
1. The refrigeration system adopts a closed refrigeration compressor, and the evaporator and condenser are both water heat exchangers. It includes a sight glass, a dry filter, a manual throttle valve, a liquid storage tank and a dry evaporator. The refrigerant uses R22.
2. Measurement parameters: voltage: 0-250V, current: 4-5A, water flow rate 40-400L/h, exhaust pressure 1.5Mpa, suction pressure 0.04-0.07Mpa.
3. Parameters of cold and hot water pumps: st*nless steel water pump, flow rate: 30L/min, head: 15m, power: 260W.
4. Turbine flowmeter: range 0-1.0m3/h, accuracy 0.5 level. Measure the cooling water flow of the condenser and evaporator respectively.
5. High and low pressure gauge: the range is -0.1-+1.5MPa and -0.1-+3.5MPa, respectively measure the pressure changes of the low-pressure side and high-pressure side of the refrigeration system in real time. 6.
Cold water tank: st*nless steel, volume: 80L (the cold water tank is sealed with a cover to prevent dust from falling, and is equipped with a liquid level display device; the water tank inlet is equipped with a float valve to ensure a constant water level in the water tank).
7. Hot water tank: st*nless steel, volume: 60L, heating power 2.0KW (hot water tank is sealed with a cover, independent of cold water tank, equipped with liquid level display device).
8. Pipeline: 304 sanitary st*nless steel, connected to the pipeline with st*nless steel quick-fit joints.
9. Valve: 304 st*nless steel valve.
9. Temperature measurement: PT100 platinum resistance is used as sensor, measuring range -50℃～150℃, resolution 0.1℃, accuracy 0.5%. A total of 10 groups of temperature parameters are measured, namely compressor suction temperature, compressor exhaust temperature, condenser inlet temperature, condenser outlet temperature, pre-throttling temperature, evaporator outlet temperature, cooling water inlet temperature, cooling water outlet temperature, refrigerant inlet temperature, refrigerant outlet temperature.
10. High and low pressure controller 1: real-time monitoring of the low-pressure side pressure and high-pressure side pressure of the refrigeration system. When the high pressure is higher than the set value or the low pressure is lower than the set value, the controller sends a control signal to cut off the compressor power supply
11. Electrical appliances: contactor, switch, leakage protection *r switch.
12. CPU: execution speed 0.64μs, memory capacity 16K, function: data processing operation.
13. Analog module: up to 16-bit resolution, total accuracy ±0.5%, built-in RS485 communication mode.
14. Temperature module: resolution 0.1℃, accuracy 0.5%, built-in RS485 communication mode.
15. Adopt 15-inch all-in-one tablet touch computer, full digital touch screen control operation. HMI: projection touch technology, 50 million touch points, memory 2G, function: CPU data display control.
16. Power meter: measure compressor power. Intelligent control is realized through key control and digital display window, which can measure the active power, reactive power, power factor, voltage, current, frequency and properties of the load; and can store and query the test data of power and power factor.
17. Control panel: adopts double-layer matte dense spray structure with novel shape. The refrigeration system is arranged on the top layer, which can intuitively display the structure of the refrigeration system; the front is equipped with power control and measuring instrument function board. The bottom is equipped with four universal wheels with brakes for easy movement and fixation.
18. Dimensions: 1600×600×1700mm (length×width×height), movable design, with brake wheels, high-quality aluminum alloy profile frame, no welding points, easy installation and disassembly, horizontal adjustment support casters.
19. Engineering identification: including equipment position number, pipeline flow arrow and identification, valve position number and other engineering equipment concept matching.
20. Virtual simulation software for electrical installation of building and intelligent building
Based on the unity3d design, users can choose different sizes of interactive interfaces according to their computer configurations, and can choose six levels of image quality. The model in the software can be rotated 360°, enlarged, reduced, and translated. There are assistant prompts during the use of the software, as follows:
A. Wet alarm system
1. System overview: Overview of wet alarm system
2. Equipment recognition: It has the best viewing angle, equipment det*ls (displaying the introduction or parameters of the equipment), exercises (built-in 6 multiple-choice questions, with prompts for correct and wrong choices), and schematics (you can enter the equipment from the schematics). The equipment includes: sprinklers, water flow indicators, signal butterfly valves, exhaust valves, fire alarm controls, high-pressure pressure gauges, high-level water tanks, Wia control cabinets, pressure regulators, flow switches, end water test devices, dr*nage facilities, water pump connectors, hydraulic alarms, delays, wet alarms, butterfly valves, check valves, fire pumps, safety pressure regulators, and fire water tanks.
3. Principle display: Display the working principle of the wet alarm system, 3D animation demonstration, and semi-transparent 3D models to see the internal water flow. Equipped with practice module (built-in 4 multiple-choice questions, with prompts for correct and wrong choices)
4. Design layout: There are multiple-choice questions and calculation questions, each of which is scored, and the correct answer and score will be displayed after submission
B. Gas fire extinguishing system
1. System overview: Overview of gas fire extinguishing system
2. Equipment recognition: It is equipped with the best viewing angle, equipment det*ls (displaying the introduction or parameters of the equipment), practice (built-in 8 multiple-choice questions, with prompts for correct and wrong choices), schematic diagram (you can enter the equipment from the schematic diagram). The equipment includes: nozzle, HFC-227 storage bottle, bottle head valve, heptafluoropropane check valve, high-pressure hose, gas check valve, safety valve, weighing alarm, electromagnetic starter, selection valve, smoke alarm, fire alarm controller.
3. Principle display: Display the working principle of the gas fire extinguishing system, 3D animation demonstration, 3D model is semi-transparent, and the internal gas can be seen. Equipped with practice module (built-in 3 multiple-choice questions, with prompts for correct and wrong choices)
4. Design and layout: There are 6 multiple-choice questions, each with scores, and the correct answer and score will be displayed after submission
. C. Escape drill: Teaching in the form of fun games, escape from the burning room within a limited time, and wrong choices will directly enter the score interface.
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