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1. Overview
The equipment is designed in accordance with the national occupational standards for refrigeration
and *r-conditioning system installers and m*ntenance workers, and with reference to the technical standards of the World Skills Competition. It highlights the technical skills tr*ning content such as "installation", "debugging", "m*ntenance", "design" and "management", with the purpose of cultivating professional and technical personnel in refrigeration and *r conditioning. The equipment m*nly embodies three aspects in the teaching and tr*ning of refrigeration majors, namely heating installation and commissioning, application design of cold water systems, and troubleshooting of cold storage systems. A comprehensive planning and design has been carried out for the practical tr*ning content of the competition, highlighting the actual operation tr*ning, focusing on the installation, commissioning and m*ntenance of system equipment, as well as actual engineering, application design and management. At the same time, the equipment is closely linked to the refrigeration equipment installation and commissioning skills competition. It can be used as a competition assessment equipment, as well as for refrigeration and *r-conditioning professional teaching, as well as the tr*ning and identification of technical personnel in the refrigeration and *r-conditioning industry.
2. Technical parameters
1. Working power supply: single-phase three-wire AC220V ±10% 50Hz
2. Ambient temperature: -5℃—40℃
3. Relative humidity: ≤85﹪ (25℃)
4. Power consumption of the whole machine: <1.5KW
5. The m*n power switch has leakage protection IΔn≦30mA, time≦0.1S
6. With voltage, current indication, power supply indication
3. Configuration:
1. Workbench assembly: A workbench composed of profile table legs, table panels, side wood boards, mesh baffles, and universal wheels. Tr*nees can freely install refrigeration components on it. Universal wheels with brakes are used to facilitate the adjustment of the placement of the equipment. Dimensions: L1300mm*W715mm *H1840mm.
2. Refrigerator: The frame is made of high-quality st*nless steel plate, which is machined and formed, and the interlayer is insulated with polyurethane foam. Install a light tube evaporator. The middle part of the door is constructed with three layers of heat-generating transparent glass, which not only meets the requirements of thermal insulation performance, but also facilitates internal inspection. There is an LED light on the top, and the four sides of the warehouse are connected flexibly to facilitate the adjustment of the placement of the equipment. 75L volume. Size: L400mm*W500mm*H200mm
3. Cold water tank: Made of st*nless steel. The box body is wrapped with insulation cotton to prevent leakage and rust, and the peripheral edges are turned to form a circular arc over the bottom to prevent scratches on the hands. 15L volume. It consists of a cold water tank, a support pipe seat, a coil made by the contestant, and other installation accessories, which can be used for heat exchange between refrigerant and water. L400mm*W500mm*H200mm.
4. Hot water tank: Made of st*nless steel, leak-proof and rust-proof, and the peripheral edges are turned to form a circular arc over the bottom to prevent scratches on the hands. 20L volume. It consists of a hot water tank, a support pipe seat, a coil made by the contestant, and other installation accessories, which can be used for heat exchange between refrigerant and water. Size: L280mm*W170mm*H140mm.
5. Radiator: It adopts mature brand products on the market, made of low-carbon cold-rolled steel and then sprayed. Center distance 300mm, 5 pieces, 4 inlets and outlets. Fan coil: It adopts mature brand products on the market, outlet size: 447*130mm, evaporator size: 400*200*65mm, water volume: 319KG/H.
6. Power box: This module is m*nly composed of electrical control box, leakage circuit breaker, emergency stop switch, signal indicator, intermediate relay, fuse holder, fuse, aviation socket, nylon waterproof connector, power 2.3 plug, power 3 plug, other installation accessories, etc.
7. Practical tr*ning electric control box: This module is m*nly composed of an electric control box, a temperature display area, an instrument display area, an operation control area, an emergency stop switch, a normally closed contact group, a two-position knob switch, a normally open contact group, a signal indicator light, a fuse holder, a fuse, a nylon waterproof joint, an electronic thermostat, a flat lock, a power plug, and other installation accessories. The circuit is neatly set, scientific and standardized. The internal wiring is unified with the wiring diagram, and the line number is clearly marked.
The connection between the distribution box and the cabinet and the unit is clearly marked, intuitive and convenient to use. The electric box can be installed and fixed according to actual needs, which is flexible and practical. The switchable door lock is convenient for students to carry out installation and fault detection and other practical operations, and it is convenient to disassemble and install, which is conducive to modularization and convenient disassembly and assembly.
8. Refrigeration components: It is m*nly composed of a condensing unit, a high and low pressure switch, an internal balanced expansion valve, a check valve, a solenoid valve, a drying filter, a liquid sight glass, a crankcase pressure regulating valve and an energy regulating valve.
9. Assembly table The assembly table consists of a table body, a tool cabinet, and a table top, and is used as an assembly platform for electrical and mechanical structures. The table body is made of cold-rolled steel plate by bending and welding, and assembled and connected after spraying. The assembly table has a preset power socket expansion hole, and a power socket can be installed according to the purpose. The entire assembly table can be disassembled and assembled at will, which is convenient for transportation and installation. The tool cabinet is made of cold-rolled steel plate by bending and welding. The tool cabinet has multiple drawers for storing tools and is placed on one side of the bottom of the assembly table. The table top is made of 25mm thick high-density medium-density fiberboard with fireproof board on the outside, and PVC cross-section edge sealing. The table top has the characteristics of wear resistance, heat resistance, st*n resistance and easy cleaning. Size: L1500mm×W700mm×H780mm.
10. 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 three-dimensional machine tool model can be operated through the start/stop, forward motion, and reverse motion buttons . When the line is connected, the three-dimensional machine tool 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 three-dimensional machine tool model. You can choose to cover the cover. Some component names can be renamed. Then click the connect line button to connect the terminals. After the machine tool 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. The scene can be reset at any time.
2. PLC control: The experiment is the same as relay control, and the PLC control function is added. After the connection is completed, enter the program writing interface through the PLC coding button. Write two forward and reverse programs. There are 12 ladder diagram symbols in total. After writing, select Submit for program verification. After successful verification, turn on the power to operate. If there are component, line connection, and code errors, an error box will pop up. The scene can be reset at any time.
3. Single-chip microcomputer control: The experiment is the same as the relay control, with the single-chip microcomputer control function added. After the connection is completed, enter the programming interface through the C coding button, enter the correct C language code, submit the verification successfully, turn on the power to operate, and the component, line connection, and code errors will pop up an error box, and the scene can be reset at any time
.
6. Tr*ning Materials
8. Fully variable frequency *r-cooled chilled water heat pump unit
1. Workbench assembly: A workbench composed of profile table legs, table top, side wood board, mesh baffle, and universal wheels. Tr*nees can freely install refrigeration components on it. Universal wheels with brakes are used to facilitate the adjustment of the equipment placement. Dimensions: L1300mm*W715mm *H1840mm
2. Outdoor unit:
Overall dimensions mm: 995*360*882. Mass: 123kg
Refrigerant: R410A
Cooling capacity: 6.0KW, heating capacity : 6.7KW
3. Indoor unit: 4CC3S
Overall dimensions mm: 900*450*200
Rated cooling capacity KW/H: 4.1 (full heat), 3.0 (sensible heat)
Rated heating capacity KW/H: 6.8/4.18
Rated *r volume m³/h: 680, input power W: 54
3. List of fully variable frequency *r-cooled chilled water heat pump units
欢迎咨询YLLR-DGN multifunctional refrigeration technology training device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-DGN multifunctional refrigeration technology training device其他问题，可联系19957812178
The equipment is designed in accordance with the national occupational standards for refrigeration
and *r-conditioning system installers and m*ntenance workers, and with reference to the technical standards of the World Skills Competition. It highlights the technical skills tr*ning content such as "installation", "debugging", "m*ntenance", "design" and "management", with the purpose of cultivating professional and technical personnel in refrigeration and *r conditioning. The equipment m*nly embodies three aspects in the teaching and tr*ning of refrigeration majors, namely heating installation and commissioning, application design of cold water systems, and troubleshooting of cold storage systems. A comprehensive planning and design has been carried out for the practical tr*ning content of the competition, highlighting the actual operation tr*ning, focusing on the installation, commissioning and m*ntenance of system equipment, as well as actual engineering, application design and management. At the same time, the equipment is closely linked to the refrigeration equipment installation and commissioning skills competition. It can be used as a competition assessment equipment, as well as for refrigeration and *r-conditioning professional teaching, as well as the tr*ning and identification of technical personnel in the refrigeration and *r-conditioning industry.
2. Technical parameters
1. Working power supply: single-phase three-wire AC220V ±10% 50Hz
2. Ambient temperature: -5℃—40℃
3. Relative humidity: ≤85﹪ (25℃)
4. Power consumption of the whole machine: <1.5KW
5. The m*n power switch has leakage protection IΔn≦30mA, time≦0.1S
6. With voltage, current indication, power supply indication
3. Configuration:
1. Workbench assembly: A workbench composed of profile table legs, table panels, side wood boards, mesh baffles, and universal wheels. Tr*nees can freely install refrigeration components on it. Universal wheels with brakes are used to facilitate the adjustment of the placement of the equipment. Dimensions: L1300mm*W715mm *H1840mm.
2. Refrigerator: The frame is made of high-quality st*nless steel plate, which is machined and formed, and the interlayer is insulated with polyurethane foam. Install a light tube evaporator. The middle part of the door is constructed with three layers of heat-generating transparent glass, which not only meets the requirements of thermal insulation performance, but also facilitates internal inspection. There is an LED light on the top, and the four sides of the warehouse are connected flexibly to facilitate the adjustment of the placement of the equipment. 75L volume. Size: L400mm*W500mm*H200mm
3. Cold water tank: Made of st*nless steel. The box body is wrapped with insulation cotton to prevent leakage and rust, and the peripheral edges are turned to form a circular arc over the bottom to prevent scratches on the hands. 15L volume. It consists of a cold water tank, a support pipe seat, a coil made by the contestant, and other installation accessories, which can be used for heat exchange between refrigerant and water. L400mm*W500mm*H200mm.
4. Hot water tank: Made of st*nless steel, leak-proof and rust-proof, and the peripheral edges are turned to form a circular arc over the bottom to prevent scratches on the hands. 20L volume. It consists of a hot water tank, a support pipe seat, a coil made by the contestant, and other installation accessories, which can be used for heat exchange between refrigerant and water. Size: L280mm*W170mm*H140mm.
5. Radiator: It adopts mature brand products on the market, made of low-carbon cold-rolled steel and then sprayed. Center distance 300mm, 5 pieces, 4 inlets and outlets. Fan coil: It adopts mature brand products on the market, outlet size: 447*130mm, evaporator size: 400*200*65mm, water volume: 319KG/H.
6. Power box: This module is m*nly composed of electrical control box, leakage circuit breaker, emergency stop switch, signal indicator, intermediate relay, fuse holder, fuse, aviation socket, nylon waterproof connector, power 2.3 plug, power 3 plug, other installation accessories, etc.
7. Practical tr*ning electric control box: This module is m*nly composed of an electric control box, a temperature display area, an instrument display area, an operation control area, an emergency stop switch, a normally closed contact group, a two-position knob switch, a normally open contact group, a signal indicator light, a fuse holder, a fuse, a nylon waterproof joint, an electronic thermostat, a flat lock, a power plug, and other installation accessories. The circuit is neatly set, scientific and standardized. The internal wiring is unified with the wiring diagram, and the line number is clearly marked.
The connection between the distribution box and the cabinet and the unit is clearly marked, intuitive and convenient to use. The electric box can be installed and fixed according to actual needs, which is flexible and practical. The switchable door lock is convenient for students to carry out installation and fault detection and other practical operations, and it is convenient to disassemble and install, which is conducive to modularization and convenient disassembly and assembly.
8. Refrigeration components: It is m*nly composed of a condensing unit, a high and low pressure switch, an internal balanced expansion valve, a check valve, a solenoid valve, a drying filter, a liquid sight glass, a crankcase pressure regulating valve and an energy regulating valve.
9. Assembly table The assembly table consists of a table body, a tool cabinet, and a table top, and is used as an assembly platform for electrical and mechanical structures. The table body is made of cold-rolled steel plate by bending and welding, and assembled and connected after spraying. The assembly table has a preset power socket expansion hole, and a power socket can be installed according to the purpose. The entire assembly table can be disassembled and assembled at will, which is convenient for transportation and installation. The tool cabinet is made of cold-rolled steel plate by bending and welding. The tool cabinet has multiple drawers for storing tools and is placed on one side of the bottom of the assembly table. The table top is made of 25mm thick high-density medium-density fiberboard with fireproof board on the outside, and PVC cross-section edge sealing. The table top has the characteristics of wear resistance, heat resistance, st*n resistance and easy cleaning. Size: L1500mm×W700mm×H780mm.
10. 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 three-dimensional machine tool model can be operated through the start/stop, forward motion, and reverse motion buttons . When the line is connected, the three-dimensional machine tool 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 three-dimensional machine tool model. You can choose to cover the cover. Some component names can be renamed. Then click the connect line button to connect the terminals. After the machine tool 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. The scene can be reset at any time.
2. PLC control: The experiment is the same as relay control, and the PLC control function is added. After the connection is completed, enter the program writing interface through the PLC coding button. Write two forward and reverse programs. There are 12 ladder diagram symbols in total. After writing, select Submit for program verification. After successful verification, turn on the power to operate. If there are component, line connection, and code errors, an error box will pop up. The scene can be reset at any time.
3. Single-chip microcomputer control: The experiment is the same as the relay control, with the single-chip microcomputer control function added. After the connection is completed, enter the programming interface through the C coding button, enter the correct C language code, submit the verification successfully, turn on the power to operate, and the component, line connection, and code errors will pop up an error box, and the scene can be reset at any time
.
| Serial number | name | Technical specifications | quantity |
| 1 | Test bench | ||
| 2 | *r-cooled condensing unit | AE4456 | 1 set |
| 3 | Fan Coil Unit | 1 set | |
| 4 | Cold water tank | 1 set | |
| 5 | Hot water tank | 1 set | |
| 6 | Evaporator | 1 set | |
| 7 | Freezer | 1 set | |
| 8 | Energy regulating valve | 1 set | |
| 9 | Radiator | 1 set | |
| 10 | power box | 1 set | |
| 11 | Electrical control box | 1 set | |
| 12 | Water Pump | 1 set | |
| 13 | High pressure gauge | HS-OG-3.8L | 1 block |
| 14 | Low pressure gauge | HS-OG-1.8L | 1 block |
| 15 | Filter drier | DFS-025S | 1 |
| 16 | Sight glass | SGS-1/4 | 1 |
| 17 | Evaporator | 1 | |
| 18 | Expansion valve | TN2 | 2 |
| 19 | Valve core | 0X# | 1 |
| 20 | Other accessories | Several | |
| twenty one | Pressure gauge | HS-OG-1.8L, including mounting bracket, connecting capillary | |
| twenty one | Tool table | 1 piece |
5. Refrigeration special tools
| Serial number | name | Specifications | quantity |
| 1 | Welding gun | 1 set | |
| 2 | Vacuum Pump | FY-1C-N | 1 set |
| 3 | Expander | CT-2000 | 1 set |
| 4 | Eccentric reamer | VFT-808 | 1 set |
| 5 | Pipe Bender | 1/4", 3/8" | 1 each |
| 6 | Rep*r double meter | With three color filling tubes | 1 set |
| 7 | R134a refrigerant | 3kg | |
| 8 | Cordless Pistol Drill | 1 | |
| 9 | Adapter | 3mm | 1 |
| 10 | Hexagon wrench | 5mm、8mm | 1 each |
| 11 | adjustable wrench | 250mm | 2 |
| 12 | Phillips screwdriver | 6*100 | 1 |
| 13 | tape measure | 3m | 1 |
6. Tr*ning Materials
| Serial number | name | Specifications | unit | quantity |
| 1 | Copper Tube | Ø/8″ | rice | 10 |
| 2 | Copper Tube | Ø4″ | rice | 8 |
| 3 | Insulation Pipe | 3/8" | root | 2 |
| 4 | Self-adhesive insulation pipe | rice | 0.5 | |
| 5 | Self-adhesive cable tie mount | 25*25 | indivual | 10 |
| 6 | Cable Ties | 3*150 | root | 100 |
| 7 | Spiral tube | Φ12 | rice | 2 |
| 8 | Wire (yellow) | 0.5mm2, | rice | 100 |
| 9 | Wire (red) | 1mm2 | rice | 100 |
| 10 | Wire (yellow/green) | 1mm2 | rice | 10 |
| 11 | Equal diameter expansion tee | 3/8" | indivual | 3 |
| 12 | Equal diameter expansion tee | 1/4" | indivual | 3 |
| 13 | Copper Nazi | 1/4" | indivual | 10 |
| 14 | Copper Nazi | 3/8" | indivual | 10 |
| 15 | Adapter | External 1/4*3/8 external connector | indivual | 10 |
| 16 | R type st*nless steel pipe clamp | Ø6 | indivual | 10 |
| 17 | Self-tapping | M4*20 | indivual | 30 |
| 18 | Screw flat washer | Φ4 | indivual | 20 |
1. Workbench assembly: A workbench composed of profile table legs, table top, side wood board, mesh baffle, and universal wheels. Tr*nees can freely install refrigeration components on it. Universal wheels with brakes are used to facilitate the adjustment of the equipment placement. Dimensions: L1300mm*W715mm *H1840mm
2. Outdoor unit:
Overall dimensions mm: 995*360*882. Mass: 123kg
Refrigerant: R410A
Cooling capacity: 6.0KW, heating capacity : 6.7KW
3. Indoor unit: 4CC3S
Overall dimensions mm: 900*450*200
Rated cooling capacity KW/H: 4.1 (full heat), 3.0 (sensible heat)
Rated heating capacity KW/H: 6.8/4.18
Rated *r volume m³/h: 680, input power W: 54
3. List of fully variable frequency *r-cooled chilled water heat pump units
| Serial number | name | Specifications | unit | quantity |
| 1 | Profile table | Ø/8″ | rice | 10 |
| 2 | The outdoor unit | Ø4″ | rice | 8 |
| 3 | Indoor unit | |||
| 4 | smart controller | |||
| 5 | Insulation Pipe | 3/8" | root | 2 |
| 6 | Cable Ties | 3*150 | root | 100 |
欢迎咨询YLLR-DGN multifunctional refrigeration technology training device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-DGN multifunctional refrigeration technology training device其他问题，可联系19957812178
