DYJYD-02H Modern Refrigeration and Air Conditioning System Assessment and Training Platform

Release time：2024-06-17 13:00viewed：times

1. Product Overview This device is a tr*ning device specially developed for refrigeration
-related majors in vocational colleges . According to the characteristics of *r-conditioning and refrigerator m*ntenance technology in the refrigeration industry, it is designed for the electrical control of *r-conditioning and refrigerators and the installation and m*ntenance of refrigeration systems, which strengthens students' comprehensive professional abilities such as installation of *r-conditioning and refrigerator system pipelines, electrical wiring, system debugging, fault diagnosis and m*ntenance. The device integrates technologies such as fluid mechanics , thermodynamics, heat transfer and electrical control, and is suitable for teaching and tr*ning of refrigeration-related majors. This device consists of an *r-conditioning system module, a refrigerator system module, a power supply and instrumentation module, an *r-conditioning electrical control module, a refrigerator electronic temperature control electrical control module, and a refrigerator intelligent temperature control electrical control module. Through project tr*ning with this device, students' teamwork ability, planning and organization ability, installation and debugging ability of refrigeration systems, electrical control circuit m*ntenance ability, communication ability, professional quality and safety awareness can be tested. II. Technical performance 1. Input power: single-phase three-wire 220V±10%50Hz 2. Working environment: temperature -10℃～40℃ relative humidity ≤85% (25℃) altitude <4000m 3. Device capacity: ≤1.5kVA 4. Safety protection: with leakage voltage and leakage current protection, safety meets national standards III. System structure and composition 1. The device adopts modular design and consists of a guide r*l aluminum alloy installation platform, *r conditioning system, refrigerator system, electrical control system, etc. 2. The guide r*l aluminum alloy installation platform is composed of standard aluminum alloy industrial profiles. As a platform for student operation tr*ning, *r conditioning system components and refrigerator system components are installed on it. 3. Air conditioning system: including *r conditioning compressor, indoor heat exchanger, outdoor heat exchanger, four-way reversing valve, throttling device, sight glass, *r conditioning valve, etc. 4. Refrigerator system: including refrigerator compressor, wire condenser, freezer evaporator, refrigerator evaporator, throttling device, sight glass, solenoid valve, dry filter, etc. 5. Electrical control system: It adopts modular design, including power supply and instrument module, heat pump *r conditioner electrical control module, refrigerator electronic temperature control module, and refrigerator intelligent temperature control module. 6. Power supply and instrument module: single-phase three-wire 220V AC power supply. 1 AC voltmeter, measuring range: 0~250V; 1 AC ammeter, measuring range 0~5A, used to measure the system startup current and monitor the normal working current of the system. 7. Refrigeration system pressure detection unit: 4 vacuum pressure gauges are provided, with measuring ranges of -0.1~0.9MPa, -0.1~1.5MPa, and -0.1~3.5MPa, respectively, for measuring the high and low pressure side pressures of *r conditioners and refrigerator systems. 8. 1 set of current type leakage protection device: when the leakage current exceeds a cert*n value, the power supply will be tripped and cut off; thermal protection devices are provided to protect the compressor from overheating and overload. 9. Virtual simulation software for electrical installation of building and intelligent building Based on unity3d design, users can choose different sizes of interactive interfaces according to computer configuration, 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 ** perspective, 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 schematic diagrams (you can enter the equipment from the schematic diagram). The equipment includes: sprinklers, water flow indicators, signal butterfly valves, exhaust valves, fire alarm controls, high-pressure gauges, high-level water tanks, Wia control cabinets, pressure-stabilizing tanks, flow switches, terminal water testing devices, dr*nage facilities, water pump connectors, hydraulic alarms, delays, wet alarms, butterfly valves, check valves, fire pumps, safety pressure-stabilizing valves, and fire water tanks. 3. Principle display: Display the working principle of the wet alarm system, 3D animation demonstration, and semi-transparent 3D models , so you can see the internal water flow. Equipped with practice module (4 multiple-choice questions built in, 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 cognition: There are ** perspectives, equipment det*ls (displaying the introduction or parameters of the equipment), exercises (8 multiple-choice questions built in, with prompts for correct and wrong choices), and schematics (you can enter the equipment from the schematics). The equipment includes: nozzles, HFC-227 storage bottles, bottle head valves, heptafluoropropane check valves, high-pressure hoses, gas check valves, safety valves, weighing alarms, electromagnetic starters, selector valves, smoke alarms, and fire alarm controllers. 3. Principle display: Display the working principle of the gas fire extinguishing system, 3D animation demonstration, and semi-transparent 3D models, so that the internal gas can be seen. Equipped with a practice module (built-in 3 multiple-choice questions, with prompts for correct and incorrect choices) 4. Design and layout: There are 6 multiple-choice questions, each with a score, and the correct answer and score will be displayed after submission C. Escape drill: Teaching in the form of fun games, escaping from the burning room within a limited time, and wrong choices will directly enter the score interface. IV. Basic configuration of the system

Serial number	name	M*n components, devices and specifications	quantity
1	Tr*ning platform	Aluminum profile tr*ning platform Length × width × height: 1500mm × 800mm × 1400mm	1 set
2	Air conditioning system module	Including rotary compressor, indoor heat exchanger, outdoor heat exchanger, four-way reversing valve, throttling device, sight glass, *r conditioning valve, etc.	1 set
3	Refrigerator system module	Including piston compressor, wire condenser, freezer evaporator, refrigerator evaporator, throttling device, sight glass, solenoid valve, dry filter, etc.	1 set
4	Power supply and instrumentation modules	AC220V power supply, AC voltage meter 0～250V, AC current meter 0～5A	1 set
5	Refrigerator electronic temperature control electrical control module	Electronic temperature control module, can control direct cooling double door refrigerator	1 set
6	Refrigerator intelligent temperature control electrical control module	Single chip microcomputer control, LCD display, dual temperature control; with quick freezing function, intelligent temperature control	1 set
7	Air conditioning electrical control module	Air conditioning universal control module, with cooling, heating , ventilation and dehumidification control functions	1 set
8	Portable welding torch	2L portable welding torch	1 set
9	Rotary vane vacuum pump	TW-1A	1 set
10	Expander	CT-2000	1
11	Cutter	CT-274	1
12	Double meter valve	CT-536GF/S	1 set
13	Liquid filling tube	CT-336 (threaded ejector)	1 set
14	Adapter	Foreign English and Internal Public	3
15	Pipe Bender	CT-368-90° is suitable for 1/4″, 5/16″, 3/8″ copper pipes	1 set
16	tool	Adjustable wrench (2 pieces), hexagon wrench, 3M measuring tape	1 set
17	wire	High reliability sheath structure pistol plug connection cable	1 set
18	Lead frame	Mobile	1 set
19	manual		1

5. Tr*ning Project

1. Air conditioning system pipeline design, assembly, wiring and commissioning projects
1) Pipeline design tasks: Design of *r conditioning system pipelines (including determination of pipeline distance, cutting, bending, expanding, expanding, welding, etc.).
2) System assembly tasks: Install the designed pipelines to the reasonable positions of the corresponding components and complete the pressure m*ntenance and leak detection of the *r conditioning system. 3) System wiring tasks:
Determine the windings of the *r conditioning compressor and complete the line laying and connection of the *r conditioning system.
4) System commissioning tasks: Complete the vacuuming, refrigerant filling, electrical circuit commissioning, and refrigeration system adjustment of the *r conditioning system.
2. Refrigerator system pipeline design, assembly, wiring and commissioning projects
1) Pipeline design tasks: Design of refrigerator system pipelines (including determination of pipeline distance, cutting, bending, expanding, expanding, etc.). 2)
System assembly tasks: Install the designed pipelines to the reasonable positions of the corresponding components and complete the pressure m*ntenance and leak detection of the refrigerator system.
3) System wiring tasks: determine the winding of the refrigerator compressor, complete the wiring and connection of the refrigerator system
4) System debugging tasks: complete the vacuuming of the refrigerator system, adding refrigerant, debugging of the electrical circuit, and adjustment of the refrigeration system.

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